projects/dwt-linux: dwt/custom/StyledText.d annotate

annotate dwt/custom/StyledText.d @ 238:380bad9f6852

reverted char[] to String

author	Frank Benoit <benoit@tionex.de>
date	Mon, 05 May 2008 00:42:55 +0200
parents	19ce131cbd99
children	ce446666f5a2

rev	line source
115 52b32f5cb1e0 many file checked for switch default Frank Benoit <benoit@tionex.de> parents: 108 diff changeset	1 /*******************************************************************************
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2 * Copyright (c) 2000, 2007 IBM Corporation and others.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3 * All rights reserved. This program and the accompanying materials
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4 * are made available under the terms of the Eclipse Public License v1.0
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5 * which accompanies this distribution, and is available at
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6 * http://www.eclipse.org/legal/epl-v10.html
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8 * Contributors:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	9 * IBM Corporation - initial API and implementation
108 0f12f6bb9739 author notice Frank Benoit <benoit@tionex.de> parents: 103 diff changeset	10 * Port to the D programming language:
0f12f6bb9739 author notice Frank Benoit <benoit@tionex.de> parents: 103 diff changeset	11 * Frank Benoit <benoit@tionex.de>
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	12 *******************************************************************************/
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	13 module dwt.custom.StyledText;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	14
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	15
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	16 import dwt.DWT;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	17 import dwt.DWTError;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	18 import dwt.DWTException;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	19 import dwt.accessibility.ACC;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	20 import dwt.accessibility.Accessible;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	21 import dwt.accessibility.AccessibleAdapter;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	22 import dwt.accessibility.AccessibleControlAdapter;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	23 import dwt.accessibility.AccessibleControlEvent;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	24 import dwt.accessibility.AccessibleEvent;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	25 import dwt.accessibility.AccessibleTextAdapter;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	26 import dwt.accessibility.AccessibleTextEvent;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	27 import dwt.dnd.Clipboard;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	28 import dwt.dnd.DND;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	29 import dwt.dnd.RTFTransfer;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	30 import dwt.dnd.TextTransfer;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	31 import dwt.dnd.Transfer;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	32 import dwt.events.ModifyListener;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	33 import dwt.events.SelectionEvent;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	34 import dwt.events.SelectionListener;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	35 import dwt.events.VerifyListener;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	36 import dwt.graphics.Color;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	37 import dwt.graphics.Cursor;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	38 import dwt.graphics.Font;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	39 import dwt.graphics.FontData;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	40 import dwt.graphics.FontMetrics;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	41 import dwt.graphics.GC;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	42 import dwt.graphics.GlyphMetrics;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	43 import dwt.graphics.Image;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	44 import dwt.graphics.Device;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	45 import dwt.graphics.Point;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	46 import dwt.graphics.Rectangle;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	47 import dwt.graphics.Resource;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	48 import dwt.graphics.TextLayout;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	49 import dwt.internal.BidiUtil;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	50 import dwt.internal.Compatibility;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	51 import dwt.printing.Printer;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	52 import dwt.printing.PrinterData;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	53 import dwt.widgets.Canvas;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	54 import dwt.widgets.Caret;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	55 import dwt.widgets.Composite;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	56 import dwt.widgets.Control;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	57 import dwt.widgets.Display;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	58 import dwt.widgets.Event;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	59 import dwt.widgets.Label;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	60 import dwt.widgets.Listener;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	61 import dwt.widgets.ScrollBar;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	62 import dwt.widgets.TypedListener;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	63 import dwt.custom.StyledTextContent;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	64 import dwt.custom.TextChangeListener;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	65 import dwt.custom.StyledTextRenderer;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	66 import dwt.custom.StyledTextPrintOptions;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	67 import dwt.custom.ExtendedModifyListener;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	68 import dwt.custom.BidiSegmentListener;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	69 import dwt.custom.LineBackgroundListener;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	70 import dwt.custom.LineStyleListener;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	71 import dwt.custom.PaintObjectListener;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	72 import dwt.custom.VerifyKeyListener;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	73 import dwt.custom.MovementListener;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	74 import dwt.custom.Bullet;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	75 import dwt.custom.StyledTextEvent;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	76 import dwt.custom.StyleRange;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	77 import dwt.custom.TextChangedEvent;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	78 import dwt.custom.TextChangingEvent;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	79 import dwt.custom.DefaultContent;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	80 import dwt.custom.StyledTextDropTargetEffect;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	81 import dwt.custom.StyledTextListener;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	82 import dwt.custom.ST;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	83 import dwt.dwthelper.Runnable;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	84
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	85 static import tango.text.Text;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	86 static import tango.text.Util;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	87 static import tango.io.FileConst;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	88 static import tango.text.convert.Utf;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	89 import tango.util.Convert;
200 08789b28bdf3 import dwt.dwthelper.utils now explicit Frank Benoit <benoit@tionex.de> parents: 182 diff changeset	90 import dwt.dwthelper.utils;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	91
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	92 alias tango.text.Text.Text!(char) StringBuffer;
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	93
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	94 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	95 * A StyledText is an editable user interface object that displays lines
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	96 * of text. The following style attributes can be defined for the text:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	97 * <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	98 * <li>foreground color
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	99 * <li>background color
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	100 * <li>font style (bold, italic, bold-italic, regular)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	101 * <li>underline
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	102 * <li>strikeout
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	103 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	104 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	105 * In addition to text style attributes, the background color of a line may
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	106 * be specified.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	107 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	108 * There are two ways to use this widget when specifying text style information.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	109 * You may use the API that is defined for StyledText or you may define your own
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	110 * LineStyleListener. If you define your own listener, you will be responsible
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	111 * for maintaining the text style information for the widget. IMPORTANT: You may
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	112 * not define your own listener and use the StyledText API. The following
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	113 * StyledText API is not supported if you have defined a LineStyleListener:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	114 * <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	115 * <li>getStyleRangeAtOffset(int)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	116 * <li>getStyleRanges()
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	117 * <li>replaceStyleRanges(int,int,StyleRange[])
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	118 * <li>setStyleRange(StyleRange)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	119 * <li>setStyleRanges(StyleRange[])
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	120 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	121 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	122 * There are two ways to use this widget when specifying line background colors.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	123 * You may use the API that is defined for StyledText or you may define your own
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	124 * LineBackgroundListener. If you define your own listener, you will be responsible
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	125 * for maintaining the line background color information for the widget.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	126 * IMPORTANT: You may not define your own listener and use the StyledText API.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	127 * The following StyledText API is not supported if you have defined a
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	128 * LineBackgroundListener:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	129 * <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	130 * <li>getLineBackground(int)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	131 * <li>setLineBackground(int,int,Color)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	132 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	133 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	134 * The content implementation for this widget may also be user-defined. To do so,
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	135 * you must implement the StyledTextContent interface and use the StyledText API
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	136 * setContent(StyledTextContent) to initialize the widget.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	137 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	138 * <dl>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	139 * <dt><b>Styles:</b><dd>FULL_SELECTION, MULTI, READ_ONLY, SINGLE, WRAP
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	140 * <dt><b>Events:</b><dd>ExtendedModify, LineGetBackground, LineGetSegments, LineGetStyle, Modify, Selection, Verify, VerifyKey
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	141 * </dl>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	142 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	143 * IMPORTANT: This class is <em>not</em> intended to be subclassed.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	144 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	145 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	146 public class StyledText : Canvas {
150 f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	147 alias Canvas.computeSize computeSize;
f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	148
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	149 static const char TAB = '\t';
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	150 static const String PlatformLineDelimiter = tango.io.FileConst.FileConst.NewlineString;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	151 static const int BIDI_CARET_WIDTH = 3;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	152 static const int DEFAULT_WIDTH = 64;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	153 static const int DEFAULT_HEIGHT = 64;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	154 static const int V_SCROLL_RATE = 50;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	155 static const int H_SCROLL_RATE = 10;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	156
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	157 static const int ExtendedModify = 3000;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	158 static const int LineGetBackground = 3001;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	159 static const int LineGetStyle = 3002;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	160 static const int TextChanging = 3003;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	161 static const int TextSet = 3004;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	162 static const int VerifyKey = 3005;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	163 static const int TextChanged = 3006;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	164 static const int LineGetSegments = 3007;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	165 static const int PaintObject = 3008;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	166 static const int WordNext = 3009;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	167 static const int WordPrevious = 3010;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	168
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	169 static const int PREVIOUS_OFFSET_TRAILING = 0;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	170 static const int OFFSET_LEADING = 1;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	171
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	172 Color selectionBackground; // selection background color
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	173 Color selectionForeground; // selection foreground color
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	174 StyledTextContent content; // native content (default or user specified)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	175 StyledTextRenderer renderer;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	176 Listener listener;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	177 TextChangeListener textChangeListener; // listener for TextChanging, TextChanged and TextSet events from StyledTextContent
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	178 int verticalScrollOffset = 0; // pixel based
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	179 int horizontalScrollOffset = 0; // pixel based
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	180 int topIndex = 0; // top visible line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	181 int topIndexY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	182 int clientAreaHeight = 0; // the client area height. Needed to calculate content width for new visible lines during Resize callback
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	183 int clientAreaWidth = 0; // the client area width. Needed during Resize callback to determine if line wrap needs to be recalculated
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	184 int tabLength = 4; // number of characters in a tab
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	185 int leftMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	186 int topMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	187 int rightMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	188 int bottomMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	189 int columnX; // keep track of the horizontal caret position when changing lines/pages. Fixes bug 5935
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	190 int caretOffset = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	191 int caretAlignment;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	192 Point selection; // x and y are start and end caret offsets of selection
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	193 Point clipboardSelection; // x and y are start and end caret offsets of previous selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	194 int selectionAnchor; // position of selection anchor. 0 based offset from beginning of text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	195 Point doubleClickSelection; // selection after last mouse double click
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	196 bool editable = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	197 bool wordWrap = false;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	198 bool doubleClickEnabled = true; // see getDoubleClickEnabled
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	199 bool overwrite = false; // insert/overwrite edit mode
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	200 int textLimit = -1; // limits the number of characters the user can type in the widget. Unlimited by default.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	201 int[int] keyActionMap;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	202 Color background = null; // workaround for bug 4791
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	203 Color foreground = null; //
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	204 Clipboard clipboard;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	205 int clickCount;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	206 int autoScrollDirection = DWT.NULL; // the direction of autoscrolling (up, down, right, left)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	207 int autoScrollDistance = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	208 int lastTextChangeStart; // cache data of the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	209 int lastTextChangeNewLineCount; // last text changing
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	210 int lastTextChangeNewCharCount; // event for use in the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	211 int lastTextChangeReplaceLineCount; // text changed handler
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	212 int lastTextChangeReplaceCharCount;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	213 int lastLineBottom; // the bottom pixel of the last line been replaced
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	214 bool isMirrored_;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	215 bool bidiColoring = false; // apply the BIDI algorithm on text segments of the same color
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	216 Image leftCaretBitmap = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	217 Image rightCaretBitmap = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	218 int caretDirection = DWT.NULL;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	219 Caret defaultCaret = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	220 bool updateCaretDirection = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	221 bool fixedLineHeight;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	222 bool dragDetect_ = true;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	223
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	224 int alignment;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	225 bool justify;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	226 int indent;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	227 int lineSpacing;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	228
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	229 const static bool IS_CARBON, IS_GTK, IS_MOTIF;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	230 static this(){
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	231 String platform = DWT.getPlatform();
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	232 IS_CARBON = ("carbon" == platform);
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	233 IS_GTK = ("gtk" == platform);
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	234 IS_MOTIF = ("motif" == platform);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	235 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	236
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	237 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	238 * The Printing class : printing of a range of text.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	239 * An instance of <code>Printing</code> is returned in the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	240 * StyledText#print(Printer) API. The run() method may be
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	241 * invoked from any thread.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	242 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	243 static class Printing : Runnable {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	244 const static int LEFT = 0; // left aligned header/footer segment
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	245 const static int CENTER = 1; // centered header/footer segment
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	246 const static int RIGHT = 2; // right aligned header/footer segment
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	247
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	248 Printer printer;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	249 StyledTextRenderer printerRenderer;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	250 StyledTextPrintOptions printOptions;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	251 Rectangle clientArea;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	252 FontData fontData;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	253 Font printerFont;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	254 Resource[Resource] resources;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	255 int tabLength;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	256 GC gc; // printer GC
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	257 int pageWidth; // width of a printer page in pixels
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	258 int startPage; // first page to print
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	259 int endPage; // last page to print
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	260 int startLine; // first (wrapped) line to print
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	261 int endLine; // last (wrapped) line to print
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	262 bool singleLine; // widget single line mode
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	263 Point selection = null; // selected text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	264 bool mirrored; // indicates the printing gc should be mirrored
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	265 int lineSpacing;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	266 int printMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	267
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	268 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	269 * Creates an instance of <code>Printing</code>.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	270 * Copies the widget content and rendering data that needs
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	271 * to be requested from listeners.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	272 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	273 * @param parent StyledText widget to print.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	274 * @param printer printer device to print on.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	275 * @param printOptions print options
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	276 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	277 this(StyledText styledText, Printer printer, StyledTextPrintOptions printOptions) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	278 this.printer = printer;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	279 this.printOptions = printOptions;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	280 this.mirrored = (styledText.getStyle() & DWT.MIRRORED) !is 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	281 singleLine = styledText.isSingleLine();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	282 startPage = 1;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	283 endPage = int.max;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	284 PrinterData data = printer.getPrinterData();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	285 if (data.scope_ is PrinterData.PAGE_RANGE) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	286 startPage = data.startPage;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	287 endPage = data.endPage;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	288 if (endPage < startPage) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	289 int temp = endPage;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	290 endPage = startPage;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	291 startPage = temp;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	292 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	293 } else if (data.scope_ is PrinterData.SELECTION) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	294 selection = styledText.getSelectionRange();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	295 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	296 printerRenderer = new StyledTextRenderer(printer, null);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	297 printerRenderer.setContent(copyContent(styledText.getContent()));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	298 cacheLineData(styledText);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	299 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	300 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	301 * Caches all line data that needs to be requested from a listener.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	302 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	303 * @param printerContent <code>StyledTextContent</code> to request
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	304 * line data for.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	305 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	306 void cacheLineData(StyledText styledText) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	307 StyledTextRenderer renderer = styledText.renderer;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	308 renderer.copyInto(printerRenderer);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	309 fontData = styledText.getFont().getFontData()[0];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	310 tabLength = styledText.tabLength;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	311 int lineCount = printerRenderer.lineCount;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	312 if (styledText.isListening(LineGetBackground) \|\| (styledText.isBidi() && styledText.isListening(LineGetSegments)) \|\| styledText.isListening(LineGetStyle)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	313 StyledTextContent content = printerRenderer.content;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	314 for (int i = 0; i < lineCount; i++) {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	315 String line = content.getLine(i);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	316 int lineOffset = content.getOffsetAtLine(i);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	317 StyledTextEvent event = styledText.getLineBackgroundData(lineOffset, line);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	318 if (event !is null && event.lineBackground !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	319 printerRenderer.setLineBackground(i, 1, event.lineBackground);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	320 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	321 if (styledText.isBidi()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	322 int[] segments = styledText.getBidiSegments(lineOffset, line);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	323 printerRenderer.setLineSegments(i, 1, segments);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	324 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	325 event = styledText.getLineStyleData(lineOffset, line);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	326 if (event !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	327 printerRenderer.setLineIndent(i, 1, event.indent);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	328 printerRenderer.setLineAlignment(i, 1, event.alignment);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	329 printerRenderer.setLineJustify(i, 1, event.justify);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	330 printerRenderer.setLineBullet(i, 1, event.bullet);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	331 StyleRange[] styles = event.styles;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	332 if (styles !is null && styles.length > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	333 printerRenderer.setStyleRanges(event.ranges, styles);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	334 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	335 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	336 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	337 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	338 Point screenDPI = styledText.getDisplay().getDPI();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	339 Point printerDPI = printer.getDPI();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	340 resources = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	341 for (int i = 0; i < lineCount; i++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	342 Color color = printerRenderer.getLineBackground(i, null);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	343 if (color !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	344 if (printOptions.printLineBackground) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	345 Color printerColor;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	346 if ( auto p = color in resources ) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	347 printerColor = cast(Color)*p;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	348 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	349 else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	350 printerColor = new Color (printer, color.getRGB());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	351 resources[color]=printerColor;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	352 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	353 printerRenderer.setLineBackground(i, 1, printerColor);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	354 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	355 printerRenderer.setLineBackground(i, 1, null);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	356 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	357 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	358 int indent = printerRenderer.getLineIndent(i, 0);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	359 if (indent !is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	360 printerRenderer.setLineIndent(i, 1, indent * printerDPI.x / screenDPI.x);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	361 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	362 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	363 StyleRange[] styles = printerRenderer.styles;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	364 for (int i = 0; i < printerRenderer.styleCount; i++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	365 StyleRange style = styles[i];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	366 Font font = style.font;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	367 if (style.font !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	368 Font printerFont;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	369 if ( auto p = font in resources ) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	370 printerFont = cast(Font)*p;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	371 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	372 else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	373 printerFont = new Font (printer, font.getFontData());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	374 resources[font]= printerFont;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	375 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	376 style.font = printerFont;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	377 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	378 Color color = style.foreground;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	379 if (color !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	380 if (printOptions.printTextForeground) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	381 Color printerColor;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	382 if ( auto p = color in resources ) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	383 printerColor = cast(Color)*p;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	384 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	385 else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	386 printerColor = new Color (printer, color.getRGB());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	387 resources[color]=printerColor;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	388 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	389 style.foreground = printerColor;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	390 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	391 style.foreground = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	392 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	393 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	394 color = style.background;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	395 if (color !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	396 if (printOptions.printTextBackground) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	397 Color printerColor;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	398 if ( auto p = color in resources ) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	399 printerColor = cast(Color)*p;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	400 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	401 else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	402 printerColor = new Color (printer, color.getRGB());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	403 resources[color]=printerColor;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	404 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	405 style.background = printerColor;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	406 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	407 style.background = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	408 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	409 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	410 if (!printOptions.printTextFontStyle) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	411 style.fontStyle = DWT.NORMAL;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	412 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	413 style.rise = style.rise * printerDPI.y / screenDPI.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	414 GlyphMetrics metrics = style.metrics;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	415 if (metrics !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	416 metrics.ascent = metrics.ascent * printerDPI.y / screenDPI.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	417 metrics.descent = metrics.descent * printerDPI.y / screenDPI.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	418 metrics.width = metrics.width * printerDPI.x / screenDPI.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	419 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	420 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	421 lineSpacing = styledText.lineSpacing * printerDPI.y / screenDPI.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	422 if (printOptions.printLineNumbers) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	423 printMargin = 3 * printerDPI.x / screenDPI.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	424 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	425 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	426 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	427 * Copies the text of the specified <code>StyledTextContent</code>.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	428 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	429 * @param original the <code>StyledTextContent</code> to copy.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	430 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	431 StyledTextContent copyContent(StyledTextContent original) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	432 StyledTextContent printerContent = new DefaultContent();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	433 int insertOffset = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	434 for (int i = 0; i < original.getLineCount(); i++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	435 int insertEndOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	436 if (i < original.getLineCount() - 1) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	437 insertEndOffset = original.getOffsetAtLine(i + 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	438 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	439 insertEndOffset = original.getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	440 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	441 printerContent.replaceTextRange(insertOffset, 0, original.getTextRange(insertOffset, insertEndOffset - insertOffset));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	442 insertOffset = insertEndOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	443 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	444 return printerContent;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	445 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	446 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	447 * Disposes of the resources and the <code>PrintRenderer</code>.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	448 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	449 void dispose() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	450 if (gc !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	451 gc.dispose();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	452 gc = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	453 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	454 foreach( resource; resources.values ){
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	455 resource.dispose();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	456 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	457 resources = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	458 if (printerFont !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	459 printerFont.dispose();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	460 printerFont = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	461 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	462 if (printerRenderer !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	463 printerRenderer.dispose();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	464 printerRenderer = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	465 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	466 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	467 void init() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	468 Rectangle trim = printer.computeTrim(0, 0, 0, 0);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	469 Point dpi = printer.getDPI();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	470
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	471 printerFont = new Font( cast(Device)printer, fontData.getName(), fontData.getHeight(), DWT.NORMAL);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	472 clientArea = printer.getClientArea();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	473 pageWidth = clientArea.width;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	474 // one inch margin around text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	475 clientArea.x = dpi.x + trim.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	476 clientArea.y = dpi.y + trim.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	477 clientArea.width -= (clientArea.x + trim.width);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	478 clientArea.height -= (clientArea.y + trim.height);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	479
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	480 int style = mirrored ? DWT.RIGHT_TO_LEFT : DWT.LEFT_TO_RIGHT;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	481 gc = new GC(printer, style);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	482 gc.setFont(printerFont);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	483 printerRenderer.setFont(printerFont, tabLength);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	484 int lineHeight = printerRenderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	485 if (printOptions.header !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	486 clientArea.y += lineHeight * 2;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	487 clientArea.height -= lineHeight * 2;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	488 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	489 if (printOptions.footer !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	490 clientArea.height -= lineHeight * 2;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	491 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	492
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	493 // TODO not wrapped
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	494 StyledTextContent content = printerRenderer.content;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	495 startLine = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	496 endLine = singleLine ? 0 : content.getLineCount() - 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	497 PrinterData data = printer.getPrinterData();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	498 if (data.scope_ is PrinterData.PAGE_RANGE) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	499 int pageSize = clientArea.height / lineHeight;//WRONG
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	500 startLine = (startPage - 1) * pageSize;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	501 } else if (data.scope_ is PrinterData.SELECTION) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	502 startLine = content.getLineAtOffset(selection.x);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	503 if (selection.y > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	504 endLine = content.getLineAtOffset(selection.x + selection.y - 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	505 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	506 endLine = startLine - 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	507 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	508 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	509 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	510 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	511 * Prints the lines in the specified page range.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	512 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	513 void print() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	514 Color background = gc.getBackground();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	515 Color foreground = gc.getForeground();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	516 int paintY = clientArea.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	517 int paintX = clientArea.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	518 int width = clientArea.width;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	519 int page = startPage;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	520 int pageBottom = clientArea.y + clientArea.height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	521 int orientation = gc.getStyle() & (DWT.RIGHT_TO_LEFT \| DWT.LEFT_TO_RIGHT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	522 TextLayout printLayout = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	523 if (printOptions.printLineNumbers \|\| printOptions.header !is null \|\| printOptions.footer !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	524 printLayout = new TextLayout(printer);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	525 printLayout.setFont(printerFont);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	526 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	527 if (printOptions.printLineNumbers) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	528 int count = endLine - startLine + 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	529 StringBuffer buffer = new StringBuffer("0");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	530 while ((count /= 10) > 0) buffer.append("0");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	531 printLayout.setText(buffer.toString());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	532 int numberingWidth = printLayout.getBounds().width + printMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	533 if (numberingWidth > width) numberingWidth = width;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	534 paintX += numberingWidth;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	535 width -= numberingWidth;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	536 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	537 for (int i = startLine; i <= endLine && page <= endPage; i++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	538 if (paintY is clientArea.y) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	539 printer.startPage();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	540 printDecoration(page, true, printLayout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	541 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	542 TextLayout layout = printerRenderer.getTextLayout(i, orientation, width, lineSpacing);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	543 Color lineBackground = printerRenderer.getLineBackground(i, background);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	544 int paragraphBottom = paintY + layout.getBounds().height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	545 if (paragraphBottom <= pageBottom) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	546 //normal case, the whole paragraph fits in the current page
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	547 printLine(paintX, paintY, gc, foreground, lineBackground, layout, printLayout, i);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	548 paintY = paragraphBottom;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	549 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	550 int lineCount = layout.getLineCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	551 while (paragraphBottom > pageBottom && lineCount > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	552 lineCount--;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	553 paragraphBottom -= layout.getLineBounds(lineCount).height + layout.getSpacing();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	554 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	555 if (lineCount is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	556 //the whole paragraph goes to the next page
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	557 printDecoration(page, false, printLayout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	558 printer.endPage();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	559 page++;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	560 if (page <= endPage) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	561 printer.startPage();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	562 printDecoration(page, true, printLayout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	563 paintY = clientArea.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	564 printLine(paintX, paintY, gc, foreground, lineBackground, layout, printLayout, i);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	565 paintY += layout.getBounds().height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	566 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	567 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	568 //draw paragraph top in the current page and paragraph bottom in the next
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	569 int height = paragraphBottom - paintY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	570 gc.setClipping(paintX, paintY, width, height);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	571 printLine(paintX, paintY, gc, foreground, lineBackground, layout, printLayout, i);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	572 printDecoration(page, false, printLayout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	573 printer.endPage();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	574 page++;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	575 if (page <= endPage) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	576 printer.startPage();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	577 printDecoration(page, true, printLayout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	578 paintY = clientArea.y - height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	579 int layoutHeight = layout.getBounds().height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	580 gc.setClipping(paintX, clientArea.y, width, layoutHeight - height);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	581 printLine(paintX, paintY, gc, foreground, lineBackground, layout, printLayout, i);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	582 paintY += layoutHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	583 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	584 gc.setClipping(cast(Rectangle)null);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	585 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	586 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	587 printerRenderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	588 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	589 if (paintY > clientArea.y) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	590 // close partial page
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	591 printDecoration(page, false, printLayout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	592 printer.endPage();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	593 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	594 if (printLayout !is null) printLayout.dispose();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	595 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	596 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	597 * Print header or footer decorations.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	598 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	599 * @param page page number to print, if specified in the StyledTextPrintOptions header or footer.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	600 * @param header true = print the header, false = print the footer
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	601 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	602 void printDecoration(int page, bool header, TextLayout layout) {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	603 String text = header ? printOptions.header : printOptions.footer;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	604 if (text is null) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	605 int lastSegmentIndex = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	606 for (int i = 0; i < 3; i++) {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	607 int segmentIndex = text.indexOf( StyledTextPrintOptions.SEPARATOR, lastSegmentIndex);
dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	608 String segment;
dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	609 if (segmentIndex is -1 ) {
dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	610 segment = text.substring(lastSegmentIndex);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	611 printDecorationSegment(segment, i, page, header, layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	612 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	613 } else {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	614 segment = text.substring(lastSegmentIndex, segmentIndex);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	615 printDecorationSegment(segment, i, page, header, layout);
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	616 lastSegmentIndex = segmentIndex + StyledTextPrintOptions.SEPARATOR.length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	617 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	618 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	619 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	620 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	621 * Print one segment of a header or footer decoration.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	622 * Headers and footers have three different segments.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	623 * One each for left aligned, centered, and right aligned text.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	624 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	625 * @param segment decoration segment to print
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	626 * @param alignment alignment of the segment. 0=left, 1=center, 2=right
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	627 * @param page page number to print, if specified in the decoration segment.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	628 * @param header true = print the header, false = print the footer
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	629 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	630 void printDecorationSegment(String segment, int alignment, int page, bool header, TextLayout layout) {
dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	631 int pageIndex = segment.indexOf(StyledTextPrintOptions.PAGE_TAG);
dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	632 if (pageIndex !is -1 ) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	633 int pageTagLength = StyledTextPrintOptions.PAGE_TAG.length;
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	634 StringBuffer buffer = new StringBuffer(segment.substring (0, pageIndex));
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	635 buffer.append (page);
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	636 buffer.append (segment.substring(pageIndex + pageTagLength));
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	637 segment = buffer.toString().dup;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	638 }
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	639 if (segment.length > 0) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	640 layout.setText(segment);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	641 int segmentWidth = layout.getBounds().width;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	642 int segmentHeight = printerRenderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	643 int drawX = 0, drawY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	644 if (alignment is LEFT) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	645 drawX = clientArea.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	646 } else if (alignment is CENTER) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	647 drawX = (pageWidth - segmentWidth) / 2;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	648 } else if (alignment is RIGHT) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	649 drawX = clientArea.x + clientArea.width - segmentWidth;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	650 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	651 if (header) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	652 drawY = clientArea.y - segmentHeight * 2;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	653 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	654 drawY = clientArea.y + clientArea.height + segmentHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	655 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	656 layout.draw(gc, drawX, drawY);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	657 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	658 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	659 void printLine(int x, int y, GC gc, Color foreground, Color background, TextLayout layout, TextLayout printLayout, int index) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	660 if (background !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	661 Rectangle rect = layout.getBounds();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	662 gc.setBackground(background);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	663 gc.fillRectangle(x, y, rect.width, rect.height);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	664
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	665 // int lineCount = layout.getLineCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	666 // for (int i = 0; i < lineCount; i++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	667 // Rectangle rect = layout.getLineBounds(i);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	668 // rect.x += paintX;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	669 // rect.y += paintY + layout.getSpacing();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	670 // rect.width = width;//layout bounds
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	671 // gc.fillRectangle(rect);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	672 // }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	673 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	674 if (printOptions.printLineNumbers) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	675 FontMetrics metrics = layout.getLineMetrics(0);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	676 printLayout.setAscent(metrics.getAscent() + metrics.getDescent());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	677 printLayout.setDescent(metrics.getDescent());
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	678 printLayout.setText( to!(String)(index) );
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	679 int paintX = x - printMargin - printLayout.getBounds().width;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	680 printLayout.draw(gc, paintX, y);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	681 printLayout.setAscent(-1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	682 printLayout.setDescent(-1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	683 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	684 gc.setForeground(foreground);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	685 layout.draw(gc, x, y);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	686 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	687 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	688 * Starts a print job and prints the pages specified in the constructor.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	689 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	690 public void run() {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	691 String jobName = printOptions.jobName;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	692 if (jobName is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	693 jobName = "Printing";
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	694 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	695 if (printer.startJob(jobName)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	696 init();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	697 print();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	698 dispose();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	699 printer.endJob();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	700 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	701 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	702 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	703 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	704 * The <code>RTFWriter</code> class is used to write widget content as
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	705 * rich text. The implementation complies with the RTF specification
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	706 * version 1.5.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	707 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	708 * toString() is guaranteed to return a valid RTF string only after
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	709 * close() has been called.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	710 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	711 * Whole and partial lines and line breaks can be written. Lines will be
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	712 * formatted using the styles queried from the LineStyleListener, if
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	713 * set, or those set directly in the widget. All styles are applied to
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	714 * the RTF stream like they are rendered by the widget. In addition, the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	715 * widget font name and size is used for the whole text.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	716 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	717 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	718 class RTFWriter : TextWriter {
150 f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	719
f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	720 alias TextWriter.write write;
f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	721
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	722 static const int DEFAULT_FOREGROUND = 0;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	723 static const int DEFAULT_BACKGROUND = 1;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	724 Color[] colorTable;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	725 Font[] fontTable;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	726 bool WriteUnicode;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	727
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	728 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	729 * Creates a RTF writer that writes content starting at offset "start"
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	730 * in the document. <code>start</code> and <code>length</code>can be set to specify partial
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	731 * lines.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	732 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	733 * @param start start offset of content to write, 0 based from
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	734 * beginning of document
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	735 * @param length length of content to write
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	736 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	737 public this(int start, int length) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	738 super(start, length);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	739 colorTable ~= getForeground();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	740 colorTable ~= getBackground();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	741 fontTable ~= getFont();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	742 setUnicode();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	743 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	744 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	745 * Closes the RTF writer. Once closed no more content can be written.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	746 * <b>NOTE:</b> <code>toString()</code> does not return a valid RTF string until
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	747 * <code>close()</code> has been called.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	748 */
150 f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	749 public override void close() {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	750 if (!isClosed()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	751 writeHeader();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	752 write("\n}}\0");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	753 super.close();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	754 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	755 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	756 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	757 * Returns the index of the specified color in the RTF color table.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	758 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	759 * @param color the color
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	760 * @param defaultIndex return value if color is null
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	761 * @return the index of the specified color in the RTF color table
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	762 * or "defaultIndex" if "color" is null.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	763 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	764 int getColorIndex(Color color, int defaultIndex) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	765 if (color is null) return defaultIndex;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	766 int index = -1;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	767 foreach( i, col; colorTable ){
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	768 if( col == color ){
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	769 index = i;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	770 break;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	771 }
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	772 }
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	773 if (index is -1) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	774 index = colorTable.length;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	775 colorTable ~= color;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	776 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	777 return index;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	778 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	779 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	780 * Returns the index of the specified color in the RTF color table.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	781 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	782 * @param color the color
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	783 * @param defaultIndex return value if color is null
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	784 * @return the index of the specified color in the RTF color table
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	785 * or "defaultIndex" if "color" is null.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	786 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	787 int getFontIndex(Font font) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	788 int index = -1;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	789 foreach( i, f; colorTable ){
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	790 if( f == font ){
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	791 index = i;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	792 break;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	793 }
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	794 }
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	795 if (index is -1) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	796 index = fontTable.length;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	797 fontTable ~= font;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	798 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	799 return index;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	800 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	801 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	802 * Determines if Unicode RTF should be written.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	803 * Don't write Unicode RTF on Windows 95/98/ME or NT.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	804 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	805 void setUnicode() {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	806 // const String Win95 = "windows 95";
dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	807 // const String Win98 = "windows 98";
dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	808 // const String WinME = "windows me";
dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	809 // const String WinNT = "windows nt";
dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	810 // String osName = System.getProperty("os.name").toLowerCase();
dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	811 // String osVersion = System.getProperty("os.version");
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	812 // int majorVersion = 0;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	813 //
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	814 // if (osName.startsWith(WinNT) && osVersion !is null) {
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	815 // int majorIndex = osVersion.indexOf('.');
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	816 // if (majorIndex !is -1) {
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	817 // osVersion = osVersion.substring(0, majorIndex);
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	818 // try {
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	819 // majorVersion = Integer.parseInt(osVersion);
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	820 // } catch (NumberFormatException exception) {
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	821 // // ignore exception. version number remains unknown.
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	822 // // will write without Unicode
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	823 // }
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	824 // }
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	825 // }
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	826 // WriteUnicode = !osName.startsWith(Win95) &&
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	827 // !osName.startsWith(Win98) &&
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	828 // !osName.startsWith(WinME) &&
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	829 // (!osName.startsWith(WinNT) \|\| majorVersion > 4);
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	830 WriteUnicode = true; // we are on linux-gtk
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	831 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	832 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	833 * Appends the specified segment of "string" to the RTF data.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	834 * Copy from <code>start</code> up to, but excluding, <code>end</code>.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	835 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	836 * @param string string to copy a segment from. Must not contain
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	837 * line breaks. Line breaks should be written using writeLineDelimiter()
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	838 * @param start start offset of segment. 0 based.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	839 * @param end end offset of segment
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	840 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	841 void write(String string, int start, int end) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	842 start = 0;
182 721afe91f448 Fix: several utf8 awareness problems Frank Benoit <benoit@tionex.de> parents: 170 diff changeset	843 end = string.length;
721afe91f448 Fix: several utf8 awareness problems Frank Benoit <benoit@tionex.de> parents: 170 diff changeset	844 int incr = 1;
721afe91f448 Fix: several utf8 awareness problems Frank Benoit <benoit@tionex.de> parents: 170 diff changeset	845 for (int index = start; index < end; index+=incr) {
721afe91f448 Fix: several utf8 awareness problems Frank Benoit <benoit@tionex.de> parents: 170 diff changeset	846 dchar ch = firstCodePoint( string[index .. $], incr );
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	847 if (ch > 0xFF && WriteUnicode) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	848 // write the sub string from the last escaped character
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	849 // to the current one. Fixes bug 21698.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	850 if (index > start) {
182 721afe91f448 Fix: several utf8 awareness problems Frank Benoit <benoit@tionex.de> parents: 170 diff changeset	851 write( string[start .. index ] );
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	852 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	853 write("\\u");
238 380bad9f6852 reverted char[] to String Frank Benoit <benoit@tionex.de> parents: 230 diff changeset	854 write( to!(String)( cast(short)ch ));
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	855 write(' '); // control word delimiter
182 721afe91f448 Fix: several utf8 awareness problems Frank Benoit <benoit@tionex.de> parents: 170 diff changeset	856 start = index + incr;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	857 } else if (ch is '}' \|\| ch is '{' \|\| ch is '\\') {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	858 // write the sub string from the last escaped character
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	859 // to the current one. Fixes bug 21698.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	860 if (index > start) {
182 721afe91f448 Fix: several utf8 awareness problems Frank Benoit <benoit@tionex.de> parents: 170 diff changeset	861 write(string[start .. index]);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	862 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	863 write('\\');
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	864 write(cast(char)ch); // ok because one of {}\
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	865 start = index + 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	866 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	867 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	868 // write from the last escaped character to the end.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	869 // Fixes bug 21698.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	870 if (start < end) {
182 721afe91f448 Fix: several utf8 awareness problems Frank Benoit <benoit@tionex.de> parents: 170 diff changeset	871 write(string[ start .. end]);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	872 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	873 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	874 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	875 * Writes the RTF header including font table and color table.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	876 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	877 void writeHeader() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	878 StringBuffer header = new StringBuffer();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	879 FontData fontData = getFont().getFontData()[0];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	880 header.append("{\\rtf1\\ansi");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	881 // specify code page, necessary for copy to work in bidi
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	882 // systems that don't support Unicode RTF.
238 380bad9f6852 reverted char[] to String Frank Benoit <benoit@tionex.de> parents: 230 diff changeset	883 // PORTING_TODO: String cpg = System.getProperty("file.encoding").toLowerCase();
380bad9f6852 reverted char[] to String Frank Benoit <benoit@tionex.de> parents: 230 diff changeset	884 String cpg = "UTF16";
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	885 /+
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	886 if (cpg.startsWith("cp") \|\| cpg.startsWith("ms")) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	887 cpg = cpg.substring(2, cpg.length());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	888 header.append("\\ansicpg");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	889 header.append(cpg);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	890 }
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	891 +/
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	892 header.append("\\uc0\\deff0{\\fonttbl{\\f0\\fnil ");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	893 header.append(fontData.getName());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	894 header.append(";");
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	895 for (int i = 1; i < fontTable.length; i++) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	896 header.append("\\f");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	897 header.append(i);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	898 header.append(" ");
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	899 FontData fd = (cast(Font)fontTable[i]).getFontData()[0];
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	900 header.append(fd.getName());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	901 header.append(";");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	902 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	903 header.append("}}\n{\\colortbl");
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	904 for (int i = 0; i < colorTable.length; i++) {
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	905 Color color = cast(Color) colorTable[i];
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	906 header.append("\\red");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	907 header.append(color.getRed());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	908 header.append("\\green");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	909 header.append(color.getGreen());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	910 header.append("\\blue");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	911 header.append(color.getBlue());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	912 header.append(";");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	913 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	914 // some RTF readers ignore the deff0 font tag. Explicitly
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	915 // set the font for the whole document to work around this.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	916 header.append("}\n{\\f0\\fs");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	917 // font size is specified in half points
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	918 header.append(fontData.getHeight() * 2);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	919 header.append(" ");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	920 write(header.toString(), 0);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	921 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	922 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	923 * Appends the specified line text to the RTF data. Lines will be formatted
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	924 * using the styles queried from the LineStyleListener, if set, or those set
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	925 * directly in the widget.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	926 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	927 * @param line line text to write as RTF. Must not contain line breaks
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	928 * Line breaks should be written using writeLineDelimiter()
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	929 * @param lineOffset offset of the line. 0 based from the start of the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	930 * widget document. Any text occurring before the start offset or after the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	931 * end offset specified during object creation is ignored.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	932 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	933 * <li>ERROR_IO when the writer is closed.</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	934 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	935 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	936 public override void writeLine(String line, int lineOffset) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	937 if (isClosed()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	938 DWT.error(DWT.ERROR_IO);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	939 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	940 int lineIndex = content.getLineAtOffset(lineOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	941 int lineAlignment, lineIndent;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	942 bool lineJustify;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	943 int[] ranges;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	944 StyleRange[] styles;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	945 StyledTextEvent event = getLineStyleData(lineOffset, line);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	946 if (event !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	947 lineAlignment = event.alignment;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	948 lineIndent = event.indent;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	949 lineJustify = event.justify;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	950 ranges = event.ranges;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	951 styles = event.styles;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	952 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	953 lineAlignment = renderer.getLineAlignment(lineIndex, alignment);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	954 lineIndent = renderer.getLineIndent(lineIndex, indent);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	955 lineJustify = renderer.getLineJustify(lineIndex, justify);
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	956 ranges = renderer.getRanges(lineOffset, line.length);
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	957 styles = renderer.getStyleRanges(lineOffset, line.length, false);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	958 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	959 if (styles is null) styles = new StyleRange[0];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	960 Color lineBackground = renderer.getLineBackground(lineIndex, null);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	961 event = getLineBackgroundData(lineOffset, line);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	962 if (event !is null && event.lineBackground !is null) lineBackground = event.lineBackground;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	963 writeStyledLine(line, lineOffset, ranges, styles, lineBackground, lineIndent, lineAlignment, lineJustify);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	964 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	965 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	966 * Appends the specified line delimiter to the RTF data.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	967 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	968 * @param lineDelimiter line delimiter to write as RTF.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	969 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	970 * <li>ERROR_IO when the writer is closed.</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	971 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	972 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	973 public override void writeLineDelimiter(String lineDelimiter) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	974 if (isClosed()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	975 DWT.error(DWT.ERROR_IO);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	976 }
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	977 write(lineDelimiter, 0, lineDelimiter.length);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	978 write("\\par ");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	979 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	980 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	981 * Appends the specified line text to the RTF data.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	982 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	983 * Use the colors and font styles specified in "styles" and "lineBackground".
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	984 * Formatting is written to reflect the text rendering by the text widget.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	985 * Style background colors take precedence over the line background color.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	986 * Background colors are written using the \highlight tag (vs. the \cb tag).
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	987 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	988 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	989 * @param line line text to write as RTF. Must not contain line breaks
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	990 * Line breaks should be written using writeLineDelimiter()
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	991 * @param lineOffset offset of the line. 0 based from the start of the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	992 * widget document. Any text occurring before the start offset or after the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	993 * end offset specified during object creation is ignored.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	994 * @param styles styles to use for formatting. Must not be null.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	995 * @param lineBackground line background color to use for formatting.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	996 * May be null.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	997 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	998 void writeStyledLine(String line, int lineOffset, int ranges[], StyleRange[] styles, Color lineBackground, int indent, int alignment, bool justify) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	999 int lineLength = line.length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1000 int startOffset = getStart();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1001 int writeOffset = startOffset - lineOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1002 if (writeOffset >= lineLength) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1003 int lineIndex = Math.max(0, writeOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1004
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1005 write("\\fi");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1006 write(indent);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1007 switch (alignment) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1008 case DWT.LEFT: write("\\ql"); break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1009 case DWT.CENTER: write("\\qc"); break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1010 case DWT.RIGHT: write("\\qr"); break;
115 52b32f5cb1e0 many file checked for switch default Frank Benoit <benoit@tionex.de> parents: 108 diff changeset	1011 default:
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1012 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1013 if (justify) write("\\qj");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1014 write(" ");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1015
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1016 if (lineBackground !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1017 write("{\\highlight");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1018 write(getColorIndex(lineBackground, DEFAULT_BACKGROUND));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1019 write(" ");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1020 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1021 int endOffset = startOffset + super.getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1022 int lineEndOffset = Math.min(lineLength, endOffset - lineOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1023 for (int i = 0; i < styles.length; i++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1024 StyleRange style = styles[i];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1025 int start, end;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1026 if (ranges !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1027 start = ranges[i << 1] - lineOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1028 end = start + ranges[(i << 1) + 1];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1029 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1030 start = style.start - lineOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1031 end = start + style.length;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1032 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1033 // skip over partial first line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1034 if (end < writeOffset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1035 continue;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1036 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1037 // style starts beyond line end or RTF write end
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1038 if (start >= lineEndOffset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1039 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1040 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1041 // write any unstyled text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1042 if (lineIndex < start) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1043 // copy to start of style
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1044 // style starting beyond end of write range or end of line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1045 // is guarded against above.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1046 write(line, lineIndex, start);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1047 lineIndex = start;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1048 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1049 // write styled text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1050 write("{\\cf");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1051 write(getColorIndex(style.foreground, DEFAULT_FOREGROUND));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1052 int colorIndex = getColorIndex(style.background, DEFAULT_BACKGROUND);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1053 if (colorIndex !is DEFAULT_BACKGROUND) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1054 write("\\highlight");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1055 write(colorIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1056 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1057 Font font = style.font;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1058 if (font !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1059 int fontIndex = getFontIndex(font);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1060 write("\\f");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1061 write(fontIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1062 FontData fontData = font.getFontData()[0];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1063 write("\\fs");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1064 write(fontData.getHeight() * 2);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1065 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1066 if ((style.fontStyle & DWT.BOLD) !is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1067 write("\\b");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1068 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1069 if ((style.fontStyle & DWT.ITALIC) !is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1070 write("\\i");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1071 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1072 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1073 if (style.underline) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1074 write("\\ul");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1075 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1076 if (style.strikeout) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1077 write("\\strike");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1078 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1079 write(" ");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1080 // copy to end of style or end of write range or end of line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1081 int copyEnd = Math.min(end, lineEndOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1082 // guard against invalid styles and let style processing continue
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1083 copyEnd = Math.max(copyEnd, lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1084 write(line, lineIndex, copyEnd);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1085 if (font is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1086 if ((style.fontStyle & DWT.BOLD) !is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1087 write("\\b0");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1088 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1089 if ((style.fontStyle & DWT.ITALIC) !is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1090 write("\\i0");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1091 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1092 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1093 if (style.underline) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1094 write("\\ul0");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1095 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1096 if (style.strikeout) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1097 write("\\strike0");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1098 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1099 write("}");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1100 lineIndex = copyEnd;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1101 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1102 // write unstyled text at the end of the line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1103 if (lineIndex < lineEndOffset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1104 write(line, lineIndex, lineEndOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1105 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1106 if (lineBackground !is null) write("}");
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1107 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1108 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1109 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1110 * The <code>TextWriter</code> class is used to write widget content to
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1111 * a string. Whole and partial lines and line breaks can be written. To write
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1112 * partial lines, specify the start and length of the desired segment
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1113 * during object creation.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1114 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1115 * </b>NOTE:</b> <code>toString()</code> is guaranteed to return a valid string only after close()
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1116 * has been called.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1117 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1118 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1119 class TextWriter {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1120 private StringBuffer buffer;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1121 private int startOffset; // offset of first character that will be written
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1122 private int endOffset; // offset of last character that will be written.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1123 // 0 based from the beginning of the widget text.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1124 private bool isClosed_ = false;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1125
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1126 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1127 * Creates a writer that writes content starting at offset "start"
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1128 * in the document. <code>start</code> and <code>length</code> can be set to specify partial lines.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1129 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1130 * @param start start offset of content to write, 0 based from beginning of document
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1131 * @param length length of content to write
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1132 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1133 public this(int start, int length) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1134 buffer = new StringBuffer(length);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1135 startOffset = start;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1136 endOffset = start + length;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1137 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1138 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1139 * Closes the writer. Once closed no more content can be written.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1140 * <b>NOTE:</b> <code>toString()</code> is not guaranteed to return a valid string unless
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1141 * the writer is closed.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1142 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1143 public void close() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1144 if (!isClosed_) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1145 isClosed_ = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1146 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1147 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1148 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1149 * Returns the number of characters to write.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1150 * @return the integer number of characters to write
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1151 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1152 public int getCharCount() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1153 return endOffset - startOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1154 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1155 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1156 * Returns the offset where writing starts. 0 based from the start of
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1157 * the widget text. Used to write partial lines.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1158 * @return the integer offset where writing starts
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1159 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1160 public int getStart() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1161 return startOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1162 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1163 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1164 * Returns whether the writer is closed.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1165 * @return a bool specifying whether or not the writer is closed
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1166 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1167 public bool isClosed() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1168 return isClosed_;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1169 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1170 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1171 * Returns the string. <code>close()</code> must be called before <code>toString()</code>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1172 * is guaranteed to return a valid string.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1173 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1174 * @return the string
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1175 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	1176 public override String toString() {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1177 return buffer.toString();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1178 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1179 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1180 * Appends the given string to the data.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1181 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	1182 void write(String string) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1183 buffer.append(string);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1184 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1185 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1186 * Inserts the given string to the data at the specified offset.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1187 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1188 * Do nothing if "offset" is < 0 or > getCharCount()
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1189 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1190 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1191 * @param string text to insert
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1192 * @param offset offset in the existing data to insert "string" at.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1193 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	1194 void write(String string, int offset) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1195 if (offset < 0 \|\| offset > buffer.length()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1196 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1197 }
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	1198 buffer.select( offset );
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	1199 buffer.prepend( string );
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1200 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1201 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1202 * Appends the given int to the data.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1203 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1204 void write(int i) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1205 buffer.append(i);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1206 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1207 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1208 * Appends the given character to the data.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1209 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1210 void write(char i) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1211 buffer.append(i);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1212 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1213 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1214 * Appends the specified line text to the data.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1215 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1216 * @param line line text to write. Must not contain line breaks
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1217 * Line breaks should be written using writeLineDelimiter()
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1218 * @param lineOffset offset of the line. 0 based from the start of the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1219 * widget document. Any text occurring before the start offset or after the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1220 * end offset specified during object creation is ignored.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1221 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1222 * <li>ERROR_IO when the writer is closed.</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1223 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1224 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	1225 public void writeLine(String line, int lineOffset) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1226 if (isClosed_) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1227 DWT.error(DWT.ERROR_IO);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1228 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1229 int writeOffset = startOffset - lineOffset;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	1230 int lineLength = line.length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1231 int lineIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1232 if (writeOffset >= lineLength) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1233 return; // whole line is outside write range
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1234 } else if (writeOffset > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1235 lineIndex = writeOffset; // line starts before write start
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1236 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1237 lineIndex = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1238 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1239 int copyEnd = Math.min(lineLength, endOffset - lineOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1240 if (lineIndex < copyEnd) {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	1241 write(line.substring(lineIndex, copyEnd));
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1242 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1243 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1244 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1245 * Appends the specified line delimiter to the data.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1246 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1247 * @param lineDelimiter line delimiter to write
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1248 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1249 * <li>ERROR_IO when the writer is closed.</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1250 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1251 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	1252 public void writeLineDelimiter(String lineDelimiter) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1253 if (isClosed_) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1254 DWT.error(DWT.ERROR_IO);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1255 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1256 write(lineDelimiter);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1257 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1258 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1259
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1260 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1261 * Constructs a new instance of this class given its parent
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1262 * and a style value describing its behavior and appearance.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1263 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1264 * The style value is either one of the style constants defined in
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1265 * class <code>DWT</code> which is applicable to instances of this
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1266 * class, or must be built by <em>bitwise OR</em>'ing together
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1267 * (that is, using the <code>int</code> "\|" operator) two or more
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1268 * of those <code>DWT</code> style constants. The class description
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1269 * lists the style constants that are applicable to the class.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1270 * Style bits are also inherited from superclasses.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1271 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1272 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1273 * @param parent a widget which will be the parent of the new instance (cannot be null)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1274 * @param style the style of widget to construct
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1275 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1276 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1277 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1278 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1279 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1280 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1281 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1282 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1283 * @see DWT#FULL_SELECTION
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1284 * @see DWT#MULTI
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1285 * @see DWT#READ_ONLY
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1286 * @see DWT#SINGLE
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1287 * @see DWT#WRAP
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1288 * @see #getStyle
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1289 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1290 public this(Composite parent, int style) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	1291 selection = new Point(0, 0);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1292 super(parent, checkStyle(style));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1293 // set the fg in the OS to ensure that these are the same as StyledText, necessary
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1294 // for ensuring that the bg/fg the IME box uses is the same as what StyledText uses
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1295 super.setForeground(getForeground());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1296 super.setDragDetect(false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1297 Display display = getDisplay();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1298 isMirrored_ = (super.getStyle() & DWT.MIRRORED) !is 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1299 fixedLineHeight = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1300 if ((style & DWT.READ_ONLY) !is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1301 setEditable(false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1302 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1303 leftMargin = rightMargin = isBidiCaret() ? BIDI_CARET_WIDTH - 1: 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1304 if ((style & DWT.SINGLE) !is 0 && (style & DWT.BORDER) !is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1305 leftMargin = topMargin = rightMargin = bottomMargin = 2;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1306 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1307 alignment = style & (DWT.LEFT \| DWT.RIGHT \| DWT.CENTER);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1308 if (alignment is 0) alignment = DWT.LEFT;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1309 clipboard = new Clipboard(display);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1310 installDefaultContent();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1311 renderer = new StyledTextRenderer(getDisplay(), this);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1312 renderer.setContent(content);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1313 renderer.setFont(getFont(), tabLength);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1314 defaultCaret = new Caret(this, DWT.NULL);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1315 if ((style & DWT.WRAP) !is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1316 setWordWrap(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1317 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1318 if (isBidiCaret()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1319 createCaretBitmaps();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1320 Runnable runnable = new class() Runnable {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1321 public void run() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1322 int direction = BidiUtil.getKeyboardLanguage() is BidiUtil.KEYBOARD_BIDI ? DWT.RIGHT : DWT.LEFT;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1323 if (direction is caretDirection) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1324 if (getCaret() !is defaultCaret) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1325 Point newCaretPos = getPointAtOffset(caretOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1326 setCaretLocation(newCaretPos, direction);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1327 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1328 };
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1329 BidiUtil.addLanguageListener(handle, runnable);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1330 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1331 setCaret(defaultCaret);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1332 calculateScrollBars();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1333 createKeyBindings();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1334 setCursor(display.getSystemCursor(DWT.CURSOR_IBEAM));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1335 installListeners();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1336 initializeAccessible();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1337 setData("DEFAULT_DROP_TARGET_EFFECT", new StyledTextDropTargetEffect(this));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1338 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1339 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1340 * Adds an extended modify listener. An ExtendedModify event is sent by the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1341 * widget when the widget text has changed.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1342 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1343 * @param extendedModifyListener the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1344 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1345 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1346 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1347 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1348 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1349 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1350 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1351 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1352 public void addExtendedModifyListener(ExtendedModifyListener extendedModifyListener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1353 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1354 if (extendedModifyListener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1355 StyledTextListener typedListener = new StyledTextListener(extendedModifyListener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1356 addListener(ExtendedModify, typedListener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1357 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1358 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1359 * Adds a bidirectional segment listener.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1360 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1361 * A BidiSegmentEvent is sent
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1362 * whenever a line of text is measured or rendered. The user can
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1363 * specify text ranges in the line that should be treated as if they
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1364 * had a different direction than the surrounding text.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1365 * This may be used when adjacent segments of right-to-left text should
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1366 * not be reordered relative to each other.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1367 * E.g., Multiple Java string literals in a right-to-left language
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1368 * should generally remain in logical order to each other, that is, the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1369 * way they are stored.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1370 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1371 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1372 * @param listener the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1373 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1374 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1375 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1376 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1377 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1378 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1379 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1380 * @see BidiSegmentEvent
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1381 * @since 2.0
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1382 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1383 public void addBidiSegmentListener(BidiSegmentListener listener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1384 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1385 if (listener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1386 addListener(LineGetSegments, new StyledTextListener(listener));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1387 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1388 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1389 * Adds a line background listener. A LineGetBackground event is sent by the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1390 * widget to determine the background color for a line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1391 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1392 * @param listener the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1393 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1394 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1395 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1396 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1397 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1398 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1399 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1400 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1401 public void addLineBackgroundListener(LineBackgroundListener listener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1402 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1403 if (listener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1404 if (!isListening(LineGetBackground)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1405 renderer.clearLineBackground(0, content.getLineCount());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1406 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1407 addListener(LineGetBackground, new StyledTextListener(listener));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1408 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1409 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1410 * Adds a line style listener. A LineGetStyle event is sent by the widget to
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1411 * determine the styles for a line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1412 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1413 * @param listener the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1414 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1415 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1416 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1417 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1418 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1419 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1420 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1421 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1422 public void addLineStyleListener(LineStyleListener listener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1423 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1424 if (listener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1425 if (!isListening(LineGetStyle)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1426 setStyleRanges(0, 0, null, null, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1427 renderer.clearLineStyle(0, content.getLineCount());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1428 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1429 addListener(LineGetStyle, new StyledTextListener(listener));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1430 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1431 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1432 * Adds a modify listener. A Modify event is sent by the widget when the widget text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1433 * has changed.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1434 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1435 * @param modifyListener the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1436 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1437 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1438 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1439 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1440 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1441 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1442 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1443 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1444 public void addModifyListener(ModifyListener modifyListener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1445 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1446 if (modifyListener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1447 addListener(DWT.Modify, new TypedListener(modifyListener));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1448 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1449 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1450 * Adds a paint object listener. A paint object event is sent by the widget when an object
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1451 * needs to be drawn.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1452 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1453 * @param listener the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1454 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1455 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1456 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1457 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1458 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1459 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1460 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1461 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1462 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1463 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1464 * @see PaintObjectListener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1465 * @see PaintObjectEvent
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1466 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1467 public void addPaintObjectListener(PaintObjectListener listener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1468 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1469 if (listener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1470 addListener(PaintObject, new StyledTextListener(listener));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1471 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1472 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1473 * Adds a selection listener. A Selection event is sent by the widget when the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1474 * user changes the selection.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1475 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1476 * When <code>widgetSelected</code> is called, the event x and y fields contain
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1477 * the start and end caret indices of the selection.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1478 * <code>widgetDefaultSelected</code> is not called for StyledTexts.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1479 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1480 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1481 * @param listener the listener which should be notified when the user changes the receiver's selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1482
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1483 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1484 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1485 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1486 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1487 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1488 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1489 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1490 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1491 * @see SelectionListener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1492 * @see #removeSelectionListener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1493 * @see SelectionEvent
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1494 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1495 public void addSelectionListener(SelectionListener listener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1496 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1497 if (listener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1498 addListener(DWT.Selection, new TypedListener(listener));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1499 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1500 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1501 * Adds a verify key listener. A VerifyKey event is sent by the widget when a key
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1502 * is pressed. The widget ignores the key press if the listener sets the doit field
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1503 * of the event to false.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1504 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1505 * @param listener the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1506 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1507 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1508 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1509 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1510 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1511 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1512 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1513 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1514 public void addVerifyKeyListener(VerifyKeyListener listener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1515 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1516 if (listener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1517 addListener(VerifyKey, new StyledTextListener(listener));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1518 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1519 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1520 * Adds a verify listener. A Verify event is sent by the widget when the widget text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1521 * is about to change. The listener can set the event text and the doit field to
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1522 * change the text that is set in the widget or to force the widget to ignore the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1523 * text change.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1524 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1525 * @param verifyListener the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1526 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1527 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1528 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1529 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1530 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1531 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1532 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1533 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1534 public void addVerifyListener(VerifyListener verifyListener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1535 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1536 if (verifyListener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1537 addListener(DWT.Verify, new TypedListener(verifyListener));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1538 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1539 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1540 * Adds a word movement listener. A movement event is sent when the boundary
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1541 * of a word is needed. For example, this occurs during word next and word
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1542 * previous actions.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1543 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1544 * @param movementListener the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1545 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1546 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1547 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1548 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1549 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1550 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1551 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1552 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1553 * @see MovementEvent
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1554 * @see MovementListener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1555 * @see #removeWordMovementListener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1556 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1557 * @since 3.3
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1558 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1559 public void addWordMovementListener(MovementListener movementListener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1560 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1561 if (listener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1562 addListener(WordNext, new StyledTextListener(movementListener));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1563 addListener(WordPrevious, new StyledTextListener(movementListener));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1564 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1565 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1566 * Appends a string to the text at the end of the widget.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1567 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1568 * @param string the string to be appended
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	1569 * @see #replaceTextRange(int,int,String)
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1570 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1571 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1572 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1573 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1574 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1575 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1576 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1577 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	1578 public void append(String string) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1579 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1580 if (string is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1581 DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1582 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1583 int lastChar = Math.max(getCharCount(), 0);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1584 replaceTextRange(lastChar, 0, string);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1585 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1586 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1587 * Calculates the scroll bars
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1588 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1589 void calculateScrollBars() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1590 ScrollBar horizontalBar = getHorizontalBar();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1591 ScrollBar verticalBar = getVerticalBar();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1592 setScrollBars(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1593 if (verticalBar !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1594 verticalBar.setIncrement(getVerticalIncrement());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1595 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1596 if (horizontalBar !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1597 horizontalBar.setIncrement(getHorizontalIncrement());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1598 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1599 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1600 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1601 * Calculates the top index based on the current vertical scroll offset.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1602 * The top index is the index of the topmost fully visible line or the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1603 * topmost partially visible line if no line is fully visible.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1604 * The top index starts at 0.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1605 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1606 void calculateTopIndex(int delta) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1607 int oldTopIndex = topIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1608 int oldTopIndexY = topIndexY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1609 if (isFixedLineHeight()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1610 int verticalIncrement = getVerticalIncrement();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1611 if (verticalIncrement is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1612 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1613 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1614 topIndex = Compatibility.ceil(getVerticalScrollOffset(), verticalIncrement);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1615 // Set top index to partially visible top line if no line is fully
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1616 // visible but at least some of the widget client area is visible.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1617 // Fixes bug 15088.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1618 if (topIndex > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1619 if (clientAreaHeight > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1620 int bottomPixel = getVerticalScrollOffset() + clientAreaHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1621 int fullLineTopPixel = topIndex * verticalIncrement;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1622 int fullLineVisibleHeight = bottomPixel - fullLineTopPixel;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1623 // set top index to partially visible line if no line fully fits in
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1624 // client area or if space is available but not used (the latter should
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1625 // never happen because we use claimBottomFreeSpace)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1626 if (fullLineVisibleHeight < verticalIncrement) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1627 topIndex--;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1628 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1629 } else if (topIndex >= content.getLineCount()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1630 topIndex = content.getLineCount() - 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1631 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1632 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1633 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1634 if (delta >= 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1635 delta -= topIndexY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1636 int lineIndex = topIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1637 int lineCount = content.getLineCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1638 while (lineIndex < lineCount) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1639 if (delta <= 0) break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1640 delta -= renderer.getLineHeight(lineIndex++);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1641 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1642 if (lineIndex < lineCount && -delta + renderer.getLineHeight(lineIndex) <= clientAreaHeight - topMargin - bottomMargin) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1643 topIndex = lineIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1644 topIndexY = -delta;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1645 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1646 topIndex = lineIndex - 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1647 topIndexY = -renderer.getLineHeight(topIndex) - delta;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1648 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1649 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1650 delta -= topIndexY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1651 int lineIndex = topIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1652 while (lineIndex > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1653 int lineHeight = renderer.getLineHeight(lineIndex - 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1654 if (delta + lineHeight > 0) break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1655 delta += lineHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1656 lineIndex--;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1657 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1658 if (lineIndex is 0 \|\| -delta + renderer.getLineHeight(lineIndex) <= clientAreaHeight - topMargin - bottomMargin) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1659 topIndex = lineIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1660 topIndexY = - delta;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1661 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1662 topIndex = lineIndex - 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1663 topIndexY = - renderer.getLineHeight(topIndex) - delta;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1664 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1665 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1666 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1667 if (topIndex !is oldTopIndex \|\| oldTopIndexY !is topIndexY) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1668 renderer.calculateClientArea();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1669 setScrollBars(false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1670 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1671 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1672 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1673 * Hides the scroll bars if widget is created in single line mode.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1674 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1675 static int checkStyle(int style) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1676 if ((style & DWT.SINGLE) !is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1677 style &= ~(DWT.H_SCROLL \| DWT.V_SCROLL \| DWT.WRAP \| DWT.MULTI);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1678 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1679 style \|= DWT.MULTI;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1680 if ((style & DWT.WRAP) !is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1681 style &= ~DWT.H_SCROLL;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1682 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1683 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1684 style \|= DWT.NO_REDRAW_RESIZE \| DWT.DOUBLE_BUFFERED \| DWT.NO_BACKGROUND;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1685 return style;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1686 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1687 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1688 * Scrolls down the text to use new space made available by a resize or by
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1689 * deleted lines.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1690 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1691 void claimBottomFreeSpace() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1692 int clientAreaHeight = this.clientAreaHeight - topMargin - bottomMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1693 if (isFixedLineHeight()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1694 int lineHeight = renderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1695 int newVerticalOffset = Math.max(0, content.getLineCount() * lineHeight - clientAreaHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1696 if (newVerticalOffset < getVerticalScrollOffset()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1697 scrollVertical(newVerticalOffset - getVerticalScrollOffset(), true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1698 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1699 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1700 int bottomIndex = getPartialBottomIndex();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1701 int height = getLinePixel(bottomIndex + 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1702 if (clientAreaHeight > height) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1703 scrollVertical(-getAvailableHeightAbove(clientAreaHeight - height), true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1704 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1705 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1706 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1707 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1708 * Scrolls text to the right to use new space made available by a resize.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1709 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1710 void claimRightFreeSpace() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1711 int newHorizontalOffset = Math.max(0, renderer.getWidth() - (clientAreaWidth - leftMargin - rightMargin));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1712 if (newHorizontalOffset < horizontalScrollOffset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1713 // item is no longer drawn past the right border of the client area
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1714 // align the right end of the item with the right border of the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1715 // client area (window is scrolled right).
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1716 scrollHorizontal(newHorizontalOffset - horizontalScrollOffset, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1717 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1718 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1719 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1720 * Removes the widget selection.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1721 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1722 * @param sendEvent a Selection event is sent when set to true and when the selection is actually reset.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1723 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1724 void clearSelection(bool sendEvent) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1725 int selectionStart = selection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1726 int selectionEnd = selection.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1727 resetSelection();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1728 // redraw old selection, if any
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1729 if (selectionEnd - selectionStart > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1730 int length = content.getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1731 // called internally to remove selection after text is removed
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1732 // therefore make sure redraw range is valid.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1733 int redrawStart = Math.min(selectionStart, length);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1734 int redrawEnd = Math.min(selectionEnd, length);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1735 if (redrawEnd - redrawStart > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1736 internalRedrawRange(redrawStart, redrawEnd - redrawStart);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1737 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1738 if (sendEvent) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1739 sendSelectionEvent();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1740 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1741 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1742 }
150 f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	1743 public override Point computeSize (int wHint, int hHint, bool changed) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1744 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1745 int lineCount = (getStyle() & DWT.SINGLE) !is 0 ? 1 : content.getLineCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1746 int width = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1747 int height = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1748 if (wHint is DWT.DEFAULT \|\| hHint is DWT.DEFAULT) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1749 Display display = getDisplay();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1750 int maxHeight = display.getClientArea().height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1751 for (int lineIndex = 0; lineIndex < lineCount; lineIndex++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1752 TextLayout layout = renderer.getTextLayout(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1753 if (wordWrap) layout.setWidth(wHint is 0 ? 1 : wHint);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1754 Rectangle rect = layout.getBounds();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1755 height += rect.height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1756 width = Math.max(width, rect.width);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1757 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1758 if (isFixedLineHeight() && height > maxHeight) break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1759 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1760 if (isFixedLineHeight()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1761 height = lineCount * renderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1762 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1763 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1764 // Use default values if no text is defined.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1765 if (width is 0) width = DEFAULT_WIDTH;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1766 if (height is 0) height = DEFAULT_HEIGHT;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1767 if (wHint !is DWT.DEFAULT) width = wHint;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1768 if (hHint !is DWT.DEFAULT) height = hHint;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1769 int wTrim = leftMargin + rightMargin + getCaretWidth();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1770 int hTrim = topMargin + bottomMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1771 Rectangle rect = computeTrim(0, 0, width + wTrim, height + hTrim);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1772 return new Point (rect.width, rect.height);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1773 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1774 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1775 * Copies the selected text to the <code>DND.CLIPBOARD</code> clipboard.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1776 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1777 * The text will be put on the clipboard in plain text format and RTF format.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1778 * The <code>DND.CLIPBOARD</code> clipboard is used for data that is
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1779 * transferred by keyboard accelerator (such as Ctrl+C/Ctrl+V) or
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1780 * by menu action.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1781 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1782 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1783 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1784 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1785 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1786 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1787 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1788 public void copy() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1789 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1790 copy(DND.CLIPBOARD);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1791 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1792 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1793 * Copies the selected text to the specified clipboard. The text will be put in the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1794 * clipboard in plain text format and RTF format.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1795 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1796 * The clipboardType is one of the clipboard constants defined in class
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1797 * <code>DND</code>. The <code>DND.CLIPBOARD</code> clipboard is
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1798 * used for data that is transferred by keyboard accelerator (such as Ctrl+C/Ctrl+V)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1799 * or by menu action. The <code>DND.SELECTION_CLIPBOARD</code>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1800 * clipboard is used for data that is transferred by selecting text and pasting
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1801 * with the middle mouse button.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1802 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1803 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1804 * @param clipboardType indicates the type of clipboard
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1805 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1806 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1807 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1808 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1809 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1810 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1811 * @since 3.1
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1812 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1813 public void copy(int clipboardType) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1814 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1815 if (clipboardType !is DND.CLIPBOARD && clipboardType !is DND.SELECTION_CLIPBOARD) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1816 int length = selection.y - selection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1817 if (length > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1818 try {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1819 setClipboardContent(selection.x, length, clipboardType);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1820 } catch (DWTError error) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1821 // Copy to clipboard failed. This happens when another application
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1822 // is accessing the clipboard while we copy. Ignore the error.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1823 // Fixes 1GDQAVN
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1824 // Rethrow all other errors. Fixes bug 17578.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1825 if (error.code !is DND.ERROR_CANNOT_SET_CLIPBOARD) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1826 throw error;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1827 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1828 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1829 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1830 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1831 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1832 * Returns the alignment of the widget.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1833 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1834 * @return the alignment
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1835 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1836 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1837 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1838 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1839 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1840 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1841 * @see #getLineAlignment(int)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1842 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1843 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1844 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1845 public int getAlignment() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1846 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1847 return alignment;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1848 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1849 int getAvailableHeightAbove(int height) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1850 int maxHeight = verticalScrollOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1851 if (maxHeight is -1) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1852 int lineIndex = topIndex - 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1853 maxHeight = -topIndexY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1854 if (topIndexY > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1855 maxHeight += renderer.getLineHeight(lineIndex--);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1856 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1857 while (height > maxHeight && lineIndex >= 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1858 maxHeight += renderer.getLineHeight(lineIndex--);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1859 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1860 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1861 return Math.min(height, maxHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1862 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1863 int getAvailableHeightBellow(int height) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1864 int partialBottomIndex = getPartialBottomIndex();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1865 int topY = getLinePixel(partialBottomIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1866 int lineHeight = renderer.getLineHeight(partialBottomIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1867 int availableHeight = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1868 int clientAreaHeight = this.clientAreaHeight - topMargin - bottomMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1869 if (topY + lineHeight > clientAreaHeight) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1870 availableHeight = lineHeight - (clientAreaHeight - topY);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1871 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1872 int lineIndex = partialBottomIndex + 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1873 int lineCount = content.getLineCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1874 while (height > availableHeight && lineIndex < lineCount) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1875 availableHeight += renderer.getLineHeight(lineIndex++);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1876 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1877 return Math.min(height, availableHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1878 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1879 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1880 * Returns a string that uses only the line delimiter specified by the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1881 * StyledTextContent implementation.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1882 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1883 * Returns only the first line if the widget has the DWT.SINGLE style.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1884 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1885 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1886 * @param text the text that may have line delimiters that don't
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1887 * match the model line delimiter. Possible line delimiters
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1888 * are CR ('\r'), LF ('\n'), CR/LF ("\r\n")
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1889 * @return the converted text that only uses the line delimiter
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1890 * specified by the model. Returns only the first line if the widget
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1891 * has the DWT.SINGLE style.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1892 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	1893 String getModelDelimitedText(String text) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	1894 int length = text.length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1895 if (length is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1896 return text;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1897 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1898 int crIndex = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1899 int lfIndex = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1900 int i = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1901 StringBuffer convertedText = new StringBuffer(length);
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	1902 String delimiter = getLineDelimiter();
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1903 while (i < length) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1904 if (crIndex !is -1) {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	1905 crIndex = text.indexOf (DWT.CR, i);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1906 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1907 if (lfIndex !is -1) {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	1908 lfIndex = text.indexOf (DWT.LF, i);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1909 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1910 if (lfIndex is -1 && crIndex is -1) { // no more line breaks?
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1911 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1912 } else if ((crIndex < lfIndex && crIndex !is -1) \|\| lfIndex is -1) {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	1913 convertedText.append(text.substring(i, crIndex));
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1914 if (lfIndex is crIndex + 1) { // CR/LF combination?
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1915 i = lfIndex + 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1916 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1917 i = crIndex + 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1918 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1919 } else { // LF occurs before CR!
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	1920 convertedText.append(text.substring(i, lfIndex));
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1921 i = lfIndex + 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1922 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1923 if (isSingleLine()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1924 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1925 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1926 convertedText.append(delimiter);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1927 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1928 // copy remaining text if any and if not in single line mode or no
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1929 // text copied thus far (because there only is one line)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1930 if (i < length && (!isSingleLine() \|\| convertedText.length() is 0)) {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	1931 convertedText.append(text.substring(i));
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1932 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1933 return convertedText.toString();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1934 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1935 bool checkDragDetect(Event event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1936 if (!isListening(DWT.DragDetect)) return false;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1937 if (IS_MOTIF) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1938 if (event.button !is 2) return false;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1939 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1940 if (event.button !is 1) return false;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1941 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1942 if (selection.x is selection.y) return false;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1943 int offset = getOffsetAtPoint(event.x, event.y);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1944 if (offset > selection.x && offset < selection.y) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1945 return dragDetect(event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1946 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1947 return false;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1948 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1949 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1950 * Creates default key bindings.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1951 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1952 void createKeyBindings() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1953 int nextKey = isMirrored() ? DWT.ARROW_LEFT : DWT.ARROW_RIGHT;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1954 int previousKey = isMirrored() ? DWT.ARROW_RIGHT : DWT.ARROW_LEFT;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1955
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1956 // Navigation
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1957 setKeyBinding(DWT.ARROW_UP, ST.LINE_UP);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1958 setKeyBinding(DWT.ARROW_DOWN, ST.LINE_DOWN);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1959 if (IS_CARBON) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1960 setKeyBinding(previousKey \| DWT.MOD1, ST.LINE_START);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1961 setKeyBinding(nextKey \| DWT.MOD1, ST.LINE_END);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1962 setKeyBinding(DWT.HOME, ST.TEXT_START);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1963 setKeyBinding(DWT.END, ST.TEXT_END);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1964 setKeyBinding(DWT.ARROW_UP \| DWT.MOD1, ST.TEXT_START);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1965 setKeyBinding(DWT.ARROW_DOWN \| DWT.MOD1, ST.TEXT_END);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1966 setKeyBinding(nextKey \| DWT.MOD3, ST.WORD_NEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1967 setKeyBinding(previousKey \| DWT.MOD3, ST.WORD_PREVIOUS);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1968 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1969 setKeyBinding(DWT.HOME, ST.LINE_START);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1970 setKeyBinding(DWT.END, ST.LINE_END);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1971 setKeyBinding(DWT.HOME \| DWT.MOD1, ST.TEXT_START);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1972 setKeyBinding(DWT.END \| DWT.MOD1, ST.TEXT_END);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1973 setKeyBinding(nextKey \| DWT.MOD1, ST.WORD_NEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1974 setKeyBinding(previousKey \| DWT.MOD1, ST.WORD_PREVIOUS);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1975 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1976 setKeyBinding(DWT.PAGE_UP, ST.PAGE_UP);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1977 setKeyBinding(DWT.PAGE_DOWN, ST.PAGE_DOWN);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1978 setKeyBinding(DWT.PAGE_UP \| DWT.MOD1, ST.WINDOW_START);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1979 setKeyBinding(DWT.PAGE_DOWN \| DWT.MOD1, ST.WINDOW_END);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1980 setKeyBinding(nextKey, ST.COLUMN_NEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1981 setKeyBinding(previousKey, ST.COLUMN_PREVIOUS);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1982
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1983 // Selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1984 setKeyBinding(DWT.ARROW_UP \| DWT.MOD2, ST.SELECT_LINE_UP);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1985 setKeyBinding(DWT.ARROW_DOWN \| DWT.MOD2, ST.SELECT_LINE_DOWN);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1986 if (IS_CARBON) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1987 setKeyBinding(previousKey \| DWT.MOD1 \| DWT.MOD2, ST.SELECT_LINE_START);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1988 setKeyBinding(nextKey \| DWT.MOD1 \| DWT.MOD2, ST.SELECT_LINE_END);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1989 setKeyBinding(DWT.HOME \| DWT.MOD2, ST.SELECT_TEXT_START);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1990 setKeyBinding(DWT.END \| DWT.MOD2, ST.SELECT_TEXT_END);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1991 setKeyBinding(DWT.ARROW_UP \| DWT.MOD1 \| DWT.MOD2, ST.SELECT_TEXT_START);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1992 setKeyBinding(DWT.ARROW_DOWN \| DWT.MOD1 \| DWT.MOD2, ST.SELECT_TEXT_END);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1993 setKeyBinding(nextKey \| DWT.MOD2 \| DWT.MOD3, ST.SELECT_WORD_NEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1994 setKeyBinding(previousKey \| DWT.MOD2 \| DWT.MOD3, ST.SELECT_WORD_PREVIOUS);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1995 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1996 setKeyBinding(DWT.HOME \| DWT.MOD2, ST.SELECT_LINE_START);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1997 setKeyBinding(DWT.END \| DWT.MOD2, ST.SELECT_LINE_END);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1998 setKeyBinding(DWT.HOME \| DWT.MOD1 \| DWT.MOD2, ST.SELECT_TEXT_START);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	1999 setKeyBinding(DWT.END \| DWT.MOD1 \| DWT.MOD2, ST.SELECT_TEXT_END);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2000 setKeyBinding(nextKey \| DWT.MOD1 \| DWT.MOD2, ST.SELECT_WORD_NEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2001 setKeyBinding(previousKey \| DWT.MOD1 \| DWT.MOD2, ST.SELECT_WORD_PREVIOUS);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2002 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2003 setKeyBinding(DWT.PAGE_UP \| DWT.MOD2, ST.SELECT_PAGE_UP);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2004 setKeyBinding(DWT.PAGE_DOWN \| DWT.MOD2, ST.SELECT_PAGE_DOWN);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2005 setKeyBinding(DWT.PAGE_UP \| DWT.MOD1 \| DWT.MOD2, ST.SELECT_WINDOW_START);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2006 setKeyBinding(DWT.PAGE_DOWN \| DWT.MOD1 \| DWT.MOD2, ST.SELECT_WINDOW_END);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2007 setKeyBinding(nextKey \| DWT.MOD2, ST.SELECT_COLUMN_NEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2008 setKeyBinding(previousKey \| DWT.MOD2, ST.SELECT_COLUMN_PREVIOUS);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2009
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2010 // Modification
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2011 // Cut, Copy, Paste
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2012 setKeyBinding('X' \| DWT.MOD1, ST.CUT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2013 setKeyBinding('C' \| DWT.MOD1, ST.COPY);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2014 setKeyBinding('V' \| DWT.MOD1, ST.PASTE);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2015 if (IS_CARBON) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2016 setKeyBinding(DWT.DEL \| DWT.MOD2, ST.DELETE_NEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2017 setKeyBinding(DWT.BS \| DWT.MOD3, ST.DELETE_WORD_PREVIOUS);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2018 setKeyBinding(DWT.DEL \| DWT.MOD3, ST.DELETE_WORD_NEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2019 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2020 // Cut, Copy, Paste Wordstar style
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2021 setKeyBinding(DWT.DEL \| DWT.MOD2, ST.CUT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2022 setKeyBinding(DWT.INSERT \| DWT.MOD1, ST.COPY);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2023 setKeyBinding(DWT.INSERT \| DWT.MOD2, ST.PASTE);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2024 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2025 setKeyBinding(DWT.BS \| DWT.MOD2, ST.DELETE_PREVIOUS);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2026 setKeyBinding(DWT.BS, ST.DELETE_PREVIOUS);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2027 setKeyBinding(DWT.DEL, ST.DELETE_NEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2028 setKeyBinding(DWT.BS \| DWT.MOD1, ST.DELETE_WORD_PREVIOUS);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2029 setKeyBinding(DWT.DEL \| DWT.MOD1, ST.DELETE_WORD_NEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2030
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2031 // Miscellaneous
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2032 setKeyBinding(DWT.INSERT, ST.TOGGLE_OVERWRITE);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2033 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2034 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2035 * Create the bitmaps to use for the caret in bidi mode. This
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2036 * method only needs to be called upon widget creation and when the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2037 * font changes (the caret bitmap height needs to match font height).
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2038 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2039 void createCaretBitmaps() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2040 int caretWidth = BIDI_CARET_WIDTH;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2041 Display display = getDisplay();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2042 if (leftCaretBitmap !is null) {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	2043 if (defaultCaret !is null && leftCaretBitmap==/eq/defaultCaret.getImage()) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2044 defaultCaret.setImage(null);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2045 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2046 leftCaretBitmap.dispose();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2047 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2048 int lineHeight = renderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2049 leftCaretBitmap = new Image(display, caretWidth, lineHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2050 GC gc = new GC (leftCaretBitmap);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2051 gc.setBackground(display.getSystemColor(DWT.COLOR_BLACK));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2052 gc.fillRectangle(0, 0, caretWidth, lineHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2053 gc.setForeground(display.getSystemColor(DWT.COLOR_WHITE));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2054 gc.drawLine(0,0,0,lineHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2055 gc.drawLine(0,0,caretWidth-1,0);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2056 gc.drawLine(0,1,1,1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2057 gc.dispose();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2058
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2059 if (rightCaretBitmap !is null) {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	2060 if (defaultCaret !is null && rightCaretBitmap==/eq/defaultCaret.getImage()) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2061 defaultCaret.setImage(null);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2062 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2063 rightCaretBitmap.dispose();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2064 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2065 rightCaretBitmap = new Image(display, caretWidth, lineHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2066 gc = new GC (rightCaretBitmap);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2067 gc.setBackground(display.getSystemColor(DWT.COLOR_BLACK));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2068 gc.fillRectangle(0, 0, caretWidth, lineHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2069 gc.setForeground(display.getSystemColor(DWT.COLOR_WHITE));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2070 gc.drawLine(caretWidth-1,0,caretWidth-1,lineHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2071 gc.drawLine(0,0,caretWidth-1,0);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2072 gc.drawLine(caretWidth-1,1,1,1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2073 gc.dispose();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2074 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2075 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2076 * Moves the selected text to the clipboard. The text will be put in the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2077 * clipboard in plain text format and RTF format.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2078 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2079 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2080 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2081 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2082 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2083 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2084 public void cut(){
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2085 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2086 int length = selection.y - selection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2087 if (length > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2088 try {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2089 setClipboardContent(selection.x, length, DND.CLIPBOARD);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2090 } catch (DWTError error) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2091 // Copy to clipboard failed. This happens when another application
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2092 // is accessing the clipboard while we copy. Ignore the error.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2093 // Fixes 1GDQAVN
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2094 // Rethrow all other errors. Fixes bug 17578.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2095 if (error.code !is DND.ERROR_CANNOT_SET_CLIPBOARD) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2096 throw error;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2097 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2098 // Abort cut operation if copy to clipboard fails.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2099 // Fixes bug 21030.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2100 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2101 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2102 doDelete();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2103 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2104 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2105 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2106 * A mouse move event has occurred. See if we should start autoscrolling. If
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2107 * the move position is outside of the client area, initiate autoscrolling.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2108 * Otherwise, we've moved back into the widget so end autoscrolling.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2109 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2110 void doAutoScroll(Event event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2111 if (event.y > clientAreaHeight) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2112 doAutoScroll(DWT.DOWN, event.y - clientAreaHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2113 } else if (event.y < 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2114 doAutoScroll(DWT.UP, -event.y);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2115 } else if (event.x < leftMargin && !wordWrap) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2116 doAutoScroll(ST.COLUMN_PREVIOUS, leftMargin - event.x);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2117 } else if (event.x > clientAreaWidth - leftMargin - rightMargin && !wordWrap) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2118 doAutoScroll(ST.COLUMN_NEXT, event.x - (clientAreaWidth - leftMargin - rightMargin));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2119 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2120 endAutoScroll();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2121 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2122 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2123 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2124 * Initiates autoscrolling.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2125 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2126 * @param direction DWT.UP, DWT.DOWN, DWT.COLUMN_NEXT, DWT.COLUMN_PREVIOUS
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2127 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2128 void doAutoScroll(int direction, int distance) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2129 autoScrollDistance = distance;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2130 // If we're already autoscrolling in the given direction do nothing
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2131 if (autoScrollDirection is direction) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2132 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2133 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2134
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2135 Runnable timer = null;
124 11b0a1324732 Fix various stack access from anon-class Frank Benoit <benoit@tionex.de> parents: 115 diff changeset	2136 final Display disp = getDisplay();
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2137 // Set a timer that will simulate the user pressing and holding
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2138 // down a cursor key (i.e., arrowUp, arrowDown).
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2139 if (direction is DWT.UP) {
124 11b0a1324732 Fix various stack access from anon-class Frank Benoit <benoit@tionex.de> parents: 115 diff changeset	2140 timer = new class(disp) Runnable {
11b0a1324732 Fix various stack access from anon-class Frank Benoit <benoit@tionex.de> parents: 115 diff changeset	2141 Display display;
11b0a1324732 Fix various stack access from anon-class Frank Benoit <benoit@tionex.de> parents: 115 diff changeset	2142 this( Display d ){ this.display = d; }
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2143 public void run() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2144 if (autoScrollDirection is DWT.UP) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2145 doSelectionPageUp(autoScrollDistance);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2146 display.timerExec(V_SCROLL_RATE, this);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2147 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2148 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2149 };
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2150 autoScrollDirection = direction;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2151 display.timerExec(V_SCROLL_RATE, timer);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2152 } else if (direction is DWT.DOWN) {
124 11b0a1324732 Fix various stack access from anon-class Frank Benoit <benoit@tionex.de> parents: 115 diff changeset	2153 timer = new class(disp) Runnable {
11b0a1324732 Fix various stack access from anon-class Frank Benoit <benoit@tionex.de> parents: 115 diff changeset	2154 Display display;
11b0a1324732 Fix various stack access from anon-class Frank Benoit <benoit@tionex.de> parents: 115 diff changeset	2155 this( Display d ){ this.display = d; }
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2156 public void run() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2157 if (autoScrollDirection is DWT.DOWN) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2158 doSelectionPageDown(autoScrollDistance);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2159 display.timerExec(V_SCROLL_RATE, this);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2160 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2161 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2162 };
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2163 autoScrollDirection = direction;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2164 display.timerExec(V_SCROLL_RATE, timer);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2165 } else if (direction is ST.COLUMN_NEXT) {
124 11b0a1324732 Fix various stack access from anon-class Frank Benoit <benoit@tionex.de> parents: 115 diff changeset	2166 timer = new class(disp) Runnable {
11b0a1324732 Fix various stack access from anon-class Frank Benoit <benoit@tionex.de> parents: 115 diff changeset	2167 Display display;
11b0a1324732 Fix various stack access from anon-class Frank Benoit <benoit@tionex.de> parents: 115 diff changeset	2168 this( Display d ){ this.display = d; }
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2169 public void run() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2170 if (autoScrollDirection is ST.COLUMN_NEXT) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2171 doVisualNext();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2172 setMouseWordSelectionAnchor();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2173 doMouseSelection();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2174 display.timerExec(H_SCROLL_RATE, this);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2175 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2176 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2177 };
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2178 autoScrollDirection = direction;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2179 display.timerExec(H_SCROLL_RATE, timer);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2180 } else if (direction is ST.COLUMN_PREVIOUS) {
124 11b0a1324732 Fix various stack access from anon-class Frank Benoit <benoit@tionex.de> parents: 115 diff changeset	2181 timer = new class(disp) Runnable {
11b0a1324732 Fix various stack access from anon-class Frank Benoit <benoit@tionex.de> parents: 115 diff changeset	2182 Display display;
11b0a1324732 Fix various stack access from anon-class Frank Benoit <benoit@tionex.de> parents: 115 diff changeset	2183 this( Display d ){ this.display = d; }
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2184 public void run() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2185 if (autoScrollDirection is ST.COLUMN_PREVIOUS) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2186 doVisualPrevious();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2187 setMouseWordSelectionAnchor();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2188 doMouseSelection();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2189 display.timerExec(H_SCROLL_RATE, this);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2190 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2191 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2192 };
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2193 autoScrollDirection = direction;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2194 display.timerExec(H_SCROLL_RATE, timer);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2195 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2196 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2197 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2198 * Deletes the previous character. Delete the selected text if any.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2199 * Move the caret in front of the deleted text.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2200 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2201 void doBackspace() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2202 Event event = new Event();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2203 event.text = "";
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2204 if (selection.x !is selection.y) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2205 event.start = selection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2206 event.end = selection.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2207 sendKeyEvent(event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2208 } else if (caretOffset > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2209 int lineIndex = content.getLineAtOffset(caretOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2210 int lineOffset = content.getOffsetAtLine(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2211 if (caretOffset is lineOffset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2212 lineOffset = content.getOffsetAtLine(lineIndex - 1);
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	2213 event.start = lineOffset + content.getLine(lineIndex - 1).length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2214 event.end = caretOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2215 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2216 TextLayout layout = renderer.getTextLayout(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2217 int start = layout.getPreviousOffset(caretOffset - lineOffset, DWT.MOVEMENT_CHAR);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2218 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2219 event.start = start + lineOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2220 event.end = caretOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2221 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2222 sendKeyEvent(event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2223 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2224 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2225 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2226 * Replaces the selection with the character or insert the character at the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2227 * current caret position if no selection exists.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2228 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2229 * If a carriage return was typed replace it with the line break character
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2230 * used by the widget on this platform.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2231 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2232 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2233 * @param key the character typed by the user
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2234 */
182 721afe91f448 Fix: several utf8 awareness problems Frank Benoit <benoit@tionex.de> parents: 170 diff changeset	2235 void doContent(dchar key) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2236 if (textLimit > 0 &&
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2237 content.getCharCount() - (selection.y - selection.x) >= textLimit) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2238 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2239 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2240 Event event = new Event();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2241 event.start = selection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2242 event.end = selection.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2243 // replace a CR line break with the widget line break
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2244 // CR does not make sense on Windows since most (all?) applications
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2245 // don't recognize CR as a line break.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2246 if (key is DWT.CR \|\| key is DWT.LF) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2247 if (!isSingleLine()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2248 event.text = getLineDelimiter();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2249 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2250 } else if (selection.x is selection.y && overwrite && key !is TAB) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2251 // no selection and overwrite mode is on and the typed key is not a
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2252 // tab character (tabs are always inserted without overwriting)?
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2253 int lineIndex = content.getLineAtOffset(event.end);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2254 int lineOffset = content.getOffsetAtLine(lineIndex);
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	2255 String line = content.getLine(lineIndex);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2256 // replace character at caret offset if the caret is not at the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2257 // end of the line
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	2258 if (event.end < lineOffset + line.length) {
182 721afe91f448 Fix: several utf8 awareness problems Frank Benoit <benoit@tionex.de> parents: 170 diff changeset	2259 event.end+=dcharToString( key ).length;
721afe91f448 Fix: several utf8 awareness problems Frank Benoit <benoit@tionex.de> parents: 170 diff changeset	2260 }
721afe91f448 Fix: several utf8 awareness problems Frank Benoit <benoit@tionex.de> parents: 170 diff changeset	2261 event.text = dcharToString( key );
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2262 } else {
182 721afe91f448 Fix: several utf8 awareness problems Frank Benoit <benoit@tionex.de> parents: 170 diff changeset	2263 event.text = dcharToString( key );
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2264 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2265 if (event.text !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2266 sendKeyEvent(event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2267 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2268 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2269 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2270 * Moves the caret after the last character of the widget content.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2271 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2272 void doContentEnd() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2273 // place caret at end of first line if receiver is in single
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2274 // line mode. fixes 4820.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2275 if (isSingleLine()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2276 doLineEnd();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2277 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2278 int length = content.getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2279 if (caretOffset < length) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2280 caretOffset = length;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2281 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2282 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2283 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2284 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2285 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2286 * Moves the caret in front of the first character of the widget content.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2287 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2288 void doContentStart() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2289 if (caretOffset > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2290 caretOffset = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2291 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2292 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2293 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2294 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2295 * Moves the caret to the start of the selection if a selection exists.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2296 * Otherwise, if no selection exists move the cursor according to the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2297 * cursor selection rules.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2298 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2299 * @see #doSelectionCursorPrevious
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2300 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2301 void doCursorPrevious() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2302 if (selection.y - selection.x > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2303 caretOffset = selection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2304 caretAlignment = OFFSET_LEADING;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2305 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2306 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2307 doSelectionCursorPrevious();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2308 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2309 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2310 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2311 * Moves the caret to the end of the selection if a selection exists.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2312 * Otherwise, if no selection exists move the cursor according to the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2313 * cursor selection rules.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2314 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2315 * @see #doSelectionCursorNext
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2316 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2317 void doCursorNext() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2318 if (selection.y - selection.x > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2319 caretOffset = selection.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2320 caretAlignment = PREVIOUS_OFFSET_TRAILING;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2321 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2322 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2323 doSelectionCursorNext();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2324 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2325 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2326 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2327 * Deletes the next character. Delete the selected text if any.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2328 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2329 void doDelete() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2330 Event event = new Event();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2331 event.text = "";
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2332 if (selection.x !is selection.y) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2333 event.start = selection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2334 event.end = selection.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2335 sendKeyEvent(event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2336 } else if (caretOffset < content.getCharCount()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2337 int line = content.getLineAtOffset(caretOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2338 int lineOffset = content.getOffsetAtLine(line);
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	2339 int lineLength = content.getLine(line).length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2340 if (caretOffset is lineOffset + lineLength) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2341 event.start = caretOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2342 event.end = content.getOffsetAtLine(line + 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2343 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2344 event.start = caretOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2345 event.end = getClusterNext(caretOffset, line);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2346 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2347 sendKeyEvent(event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2348 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2349 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2350 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2351 * Deletes the next word.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2352 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2353 void doDeleteWordNext() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2354 if (selection.x !is selection.y) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2355 // if a selection exists, treat the as if
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2356 // only the delete key was pressed
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2357 doDelete();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2358 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2359 Event event = new Event();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2360 event.text = "";
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2361 event.start = caretOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2362 event.end = getWordNext(caretOffset, DWT.MOVEMENT_WORD);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2363 sendKeyEvent(event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2364 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2365 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2366 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2367 * Deletes the previous word.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2368 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2369 void doDeleteWordPrevious() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2370 if (selection.x !is selection.y) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2371 // if a selection exists, treat as if
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2372 // only the backspace key was pressed
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2373 doBackspace();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2374 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2375 Event event = new Event();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2376 event.text = "";
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2377 event.start = getWordPrevious(caretOffset, DWT.MOVEMENT_WORD);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2378 event.end = caretOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2379 sendKeyEvent(event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2380 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2381 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2382 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2383 * Moves the caret one line down and to the same character offset relative
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2384 * to the beginning of the line. Move the caret to the end of the new line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2385 * if the new line is shorter than the character offset.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2386 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2387 void doLineDown(bool select) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2388 int caretLine = getCaretLine();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2389 int lineCount = content.getLineCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2390 int y = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2391 bool lastLine = false;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2392 if (wordWrap) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2393 int lineOffset = content.getOffsetAtLine(caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2394 int offsetInLine = caretOffset - lineOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2395 TextLayout layout = renderer.getTextLayout(caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2396 int lineIndex = getVisualLineIndex(layout, offsetInLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2397 int layoutLineCount = layout.getLineCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2398 if (lineIndex is layoutLineCount - 1) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2399 lastLine = caretLine is lineCount - 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2400 caretLine++;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2401 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2402 y = layout.getLineBounds(lineIndex + 1).y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2403 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2404 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2405 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2406 lastLine = caretLine is lineCount - 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2407 caretLine++;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2408 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2409 if (lastLine) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2410 if (select) caretOffset = content.getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2411 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2412 caretOffset = getOffsetAtPoint(columnX, y, caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2413 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2414 int oldColumnX = columnX;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2415 int oldHScrollOffset = horizontalScrollOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2416 if (select) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2417 setMouseWordSelectionAnchor();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2418 // select first and then scroll to reduce flash when key
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2419 // repeat scrolls lots of lines
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2420 doSelection(ST.COLUMN_NEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2421 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2422 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2423 int hScrollChange = oldHScrollOffset - horizontalScrollOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2424 columnX = oldColumnX + hScrollChange;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2425 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2426 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2427 * Moves the caret to the end of the line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2428 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2429 void doLineEnd() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2430 int caretLine = getCaretLine();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2431 int lineOffset = content.getOffsetAtLine(caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2432 int lineEndOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2433 if (wordWrap) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2434 TextLayout layout = renderer.getTextLayout(caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2435 int offsetInLine = caretOffset - lineOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2436 int lineIndex = getVisualLineIndex(layout, offsetInLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2437 int[] offsets = layout.getLineOffsets();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2438 lineEndOffset = lineOffset + offsets[lineIndex + 1];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2439 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2440 } else {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	2441 int lineLength = content.getLine(caretLine).length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2442 lineEndOffset = lineOffset + lineLength;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2443 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2444 if (caretOffset < lineEndOffset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2445 caretOffset = lineEndOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2446 caretAlignment = PREVIOUS_OFFSET_TRAILING;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2447 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2448 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2449 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2450 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2451 * Moves the caret to the beginning of the line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2452 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2453 void doLineStart() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2454 int caretLine = getCaretLine();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2455 int lineOffset = content.getOffsetAtLine(caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2456 if (wordWrap) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2457 TextLayout layout = renderer.getTextLayout(caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2458 int offsetInLine = caretOffset - lineOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2459 int lineIndex = getVisualLineIndex(layout, offsetInLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2460 int[] offsets = layout.getLineOffsets();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2461 lineOffset += offsets[lineIndex];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2462 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2463 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2464 if (caretOffset > lineOffset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2465 caretOffset = lineOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2466 caretAlignment = OFFSET_LEADING;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2467 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2468 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2469 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2470 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2471 * Moves the caret one line up and to the same character offset relative
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2472 * to the beginning of the line. Move the caret to the end of the new line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2473 * if the new line is shorter than the character offset.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2474 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2475 void doLineUp(bool select) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2476 int caretLine = getCaretLine(), y = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2477 bool firstLine = false;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2478 if (wordWrap) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2479 int lineOffset = content.getOffsetAtLine(caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2480 int offsetInLine = caretOffset - lineOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2481 TextLayout layout = renderer.getTextLayout(caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2482 int lineIndex = getVisualLineIndex(layout, offsetInLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2483 if (lineIndex is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2484 firstLine = caretLine is 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2485 if (!firstLine) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2486 caretLine--;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2487 y = renderer.getLineHeight(caretLine) - 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2488 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2489 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2490 y = layout.getLineBounds(lineIndex - 1).y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2491 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2492 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2493 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2494 firstLine = caretLine is 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2495 caretLine--;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2496 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2497 if (firstLine) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2498 if (select) caretOffset = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2499 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2500 caretOffset = getOffsetAtPoint(columnX, y, caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2501 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2502 int oldColumnX = columnX;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2503 int oldHScrollOffset = horizontalScrollOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2504 if (select) setMouseWordSelectionAnchor();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2505 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2506 if (select) doSelection(ST.COLUMN_PREVIOUS);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2507 int hScrollChange = oldHScrollOffset - horizontalScrollOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2508 columnX = oldColumnX + hScrollChange;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2509 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2510 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2511 * Moves the caret to the specified location.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2512 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2513 * @param x x location of the new caret position
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2514 * @param y y location of the new caret position
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2515 * @param select the location change is a selection operation.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2516 * include the line delimiter in the selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2517 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2518 void doMouseLocationChange(int x, int y, bool select) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2519 int line = getLineIndex(y);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2520
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2521 updateCaretDirection = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2522 // allow caret to be placed below first line only if receiver is
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2523 // not in single line mode. fixes 4820.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2524 if (line < 0 \|\| (isSingleLine() && line > 0)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2525 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2526 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2527 int oldCaretAlignment = caretAlignment;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2528 int newCaretOffset = getOffsetAtPoint(x, y);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2529
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2530 if (clickCount > 1) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2531 // double click word select the previous/next word. fixes bug 15610
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2532 newCaretOffset = doMouseWordSelect(x, newCaretOffset, line);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2533 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2534
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2535 int newCaretLine = content.getLineAtOffset(newCaretOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2536
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2537 // Is the mouse within the left client area border or on
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2538 // a different line? If not the autoscroll selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2539 // could be incorrectly reset. Fixes 1GKM3XS
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2540 if (0 <= y && y < clientAreaHeight &&
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2541 (0 <= x && x < clientAreaWidth \|\| wordWrap \|\|
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2542 newCaretLine !is content.getLineAtOffset(caretOffset))) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2543 if (newCaretOffset !is caretOffset \|\| caretAlignment !is oldCaretAlignment) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2544 caretOffset = newCaretOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2545 if (select) doMouseSelection();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2546 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2547 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2548 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2549 if (!select) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2550 caretOffset = newCaretOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2551 clearSelection(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2552 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2553 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2554 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2555 * Updates the selection based on the caret position
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2556 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2557 void doMouseSelection() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2558 if (caretOffset <= selection.x \|\|
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2559 (caretOffset > selection.x &&
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2560 caretOffset < selection.y && selectionAnchor is selection.x)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2561 doSelection(ST.COLUMN_PREVIOUS);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2562 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2563 doSelection(ST.COLUMN_NEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2564 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2565 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2566 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2567 * Returns the offset of the word at the specified offset.
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	2568 * If the current selection extends from high index to low index
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2569 * (i.e., right to left, or caret is at left border of selection on
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2570 * non-bidi platforms) the start offset of the word preceding the
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	2571 * selection is returned. If the current selection extends from
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2572 * low index to high index the end offset of the word following
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2573 * the selection is returned.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2574 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2575 * @param x mouse x location
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2576 * @param newCaretOffset caret offset of the mouse cursor location
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2577 * @param line line index of the mouse cursor location
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2578 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2579 int doMouseWordSelect(int x, int newCaretOffset, int line) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2580 // flip selection anchor based on word selection direction from
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2581 // base double click. Always do this here (and don't rely on doAutoScroll)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2582 // because auto scroll only does not cover all possible mouse selections
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2583 // (e.g., mouse x < 0 && mouse y > caret line y)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2584 if (newCaretOffset < selectionAnchor && selectionAnchor is selection.x) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2585 selectionAnchor = doubleClickSelection.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2586 } else if (newCaretOffset > selectionAnchor && selectionAnchor is selection.y) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2587 selectionAnchor = doubleClickSelection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2588 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2589 if (0 <= x && x < clientAreaWidth) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2590 bool wordSelect = (clickCount & 1) is 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2591 if (caretOffset is selection.x) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2592 if (wordSelect) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2593 newCaretOffset = getWordPrevious(newCaretOffset, DWT.MOVEMENT_WORD_START);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2594 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2595 newCaretOffset = content.getOffsetAtLine(line);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2596 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2597 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2598 if (wordSelect) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2599 newCaretOffset = getWordNext(newCaretOffset, DWT.MOVEMENT_WORD_END);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2600 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2601 int lineEnd = content.getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2602 if (line + 1 < content.getLineCount()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2603 lineEnd = content.getOffsetAtLine(line + 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2604 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2605 newCaretOffset = lineEnd;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2606 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2607 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2608 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2609 return newCaretOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2610 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2611 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2612 * Scrolls one page down so that the last line (truncated or whole)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2613 * of the current page becomes the fully visible top line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2614 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2615 * The caret is scrolled the same number of lines so that its location
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2616 * relative to the top line remains the same. The exception is the end
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2617 * of the text where a full page scroll is not possible. In this case
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2618 * the caret is moved after the last character.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2619 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2620 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2621 * @param select whether or not to select the page
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2622 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2623 void doPageDown(bool select, int height) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2624 if (isSingleLine()) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2625 int oldColumnX = columnX;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2626 int oldHScrollOffset = horizontalScrollOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2627 if (isFixedLineHeight()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2628 int lineCount = content.getLineCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2629 int caretLine = getCaretLine();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2630 if (caretLine < lineCount - 1) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2631 int lineHeight = renderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2632 int lines = (height is -1 ? clientAreaHeight : height) / lineHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2633 int scrollLines = Math.min(lineCount - caretLine - 1, lines);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2634 // ensure that scrollLines never gets negative and at least one
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2635 // line is scrolled. fixes bug 5602.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2636 scrollLines = Math.max(1, scrollLines);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2637 caretOffset = getOffsetAtPoint(columnX, getLinePixel(caretLine + scrollLines));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2638 if (select) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2639 doSelection(ST.COLUMN_NEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2640 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2641 // scroll one page down or to the bottom
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2642 int verticalMaximum = lineCount * getVerticalIncrement();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2643 int pageSize = clientAreaHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2644 int verticalScrollOffset = getVerticalScrollOffset();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2645 int scrollOffset = verticalScrollOffset + scrollLines * getVerticalIncrement();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2646 if (scrollOffset + pageSize > verticalMaximum) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2647 scrollOffset = verticalMaximum - pageSize;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2648 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2649 if (scrollOffset > verticalScrollOffset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2650 scrollVertical(scrollOffset - verticalScrollOffset, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2651 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2652 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2653 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2654 int lineCount = content.getLineCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2655 int caretLine = getCaretLine();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2656 int lineIndex, lineHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2657 if (height is -1) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2658 lineIndex = getPartialBottomIndex();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2659 int topY = getLinePixel(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2660 lineHeight = renderer.getLineHeight(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2661 height = topY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2662 if (topY + lineHeight <= clientAreaHeight) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2663 height += lineHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2664 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2665 if (wordWrap) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2666 TextLayout layout = renderer.getTextLayout(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2667 int y = clientAreaHeight - topY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2668 for (int i = 0; i < layout.getLineCount(); i++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2669 Rectangle bounds = layout.getLineBounds(i);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2670 if (bounds.contains(bounds.x, y)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2671 height += bounds.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2672 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2673 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2674 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2675 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2676 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2677 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2678 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2679 lineIndex = getLineIndex(height);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2680 int topLineY = getLinePixel(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2681 if (wordWrap) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2682 TextLayout layout = renderer.getTextLayout(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2683 int y = height - topLineY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2684 for (int i = 0; i < layout.getLineCount(); i++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2685 Rectangle bounds = layout.getLineBounds(i);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2686 if (bounds.contains(bounds.x, y)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2687 height = topLineY + bounds.y + bounds.height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2688 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2689 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2690 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2691 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2692 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2693 height = topLineY + renderer.getLineHeight(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2694 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2695 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2696 int caretHeight = height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2697 if (wordWrap) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2698 TextLayout layout = renderer.getTextLayout(caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2699 int offsetInLine = caretOffset - content.getOffsetAtLine(caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2700 lineIndex = getVisualLineIndex(layout, offsetInLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2701 caretHeight += layout.getLineBounds(lineIndex).y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2702 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2703 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2704 lineIndex = caretLine;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2705 lineHeight = renderer.getLineHeight(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2706 while (caretHeight - lineHeight >= 0 && lineIndex < lineCount - 1) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2707 caretHeight -= lineHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2708 lineHeight = renderer.getLineHeight(++lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2709 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2710 caretOffset = getOffsetAtPoint(columnX, caretHeight, lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2711 if (select) doSelection(ST.COLUMN_NEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2712 height = getAvailableHeightBellow(height);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2713 scrollVertical(height, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2714 if (height is 0) setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2715 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2716 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2717 int hScrollChange = oldHScrollOffset - horizontalScrollOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2718 columnX = oldColumnX + hScrollChange;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2719 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2720 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2721 * Moves the cursor to the end of the last fully visible line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2722 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2723 void doPageEnd() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2724 // go to end of line if in single line mode. fixes 5673
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2725 if (isSingleLine()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2726 doLineEnd();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2727 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2728 int bottomOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2729 if (wordWrap) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2730 int lineIndex = getPartialBottomIndex();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2731 TextLayout layout = renderer.getTextLayout(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2732 int y = (clientAreaHeight - bottomMargin) - getLinePixel(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2733 int index = layout.getLineCount() - 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2734 while (index >= 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2735 Rectangle bounds = layout.getLineBounds(index);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2736 if (y >= bounds.y + bounds.height) break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2737 index--;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2738 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2739 if (index is -1 && lineIndex > 0) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	2740 bottomOffset = content.getOffsetAtLine(lineIndex - 1) + content.getLine(lineIndex - 1).length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2741 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2742 bottomOffset = content.getOffsetAtLine(lineIndex) + Math.max(0, layout.getLineOffsets()[index + 1] - 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2743 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2744 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2745 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2746 int lineIndex = getBottomIndex();
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	2747 bottomOffset = content.getOffsetAtLine(lineIndex) + content.getLine(lineIndex).length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2748 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2749 if (caretOffset < bottomOffset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2750 caretOffset = bottomOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2751 caretAlignment = OFFSET_LEADING;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2752 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2753 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2754 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2755 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2756 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2757 * Moves the cursor to the beginning of the first fully visible line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2758 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2759 void doPageStart() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2760 int topOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2761 if (wordWrap) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2762 int y, lineIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2763 if (topIndexY > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2764 lineIndex = topIndex - 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2765 y = renderer.getLineHeight(lineIndex) - topIndexY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2766 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2767 lineIndex = topIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2768 y = -topIndexY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2769 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2770 TextLayout layout = renderer.getTextLayout(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2771 int index = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2772 int lineCount = layout.getLineCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2773 while (index < lineCount) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2774 Rectangle bounds = layout.getLineBounds(index);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2775 if (y <= bounds.y) break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2776 index++;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2777 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2778 if (index is lineCount) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2779 topOffset = content.getOffsetAtLine(lineIndex + 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2780 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2781 topOffset = content.getOffsetAtLine(lineIndex) + layout.getLineOffsets()[index];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2782 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2783 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2784 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2785 topOffset = content.getOffsetAtLine(topIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2786 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2787 if (caretOffset > topOffset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2788 caretOffset = topOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2789 caretAlignment = OFFSET_LEADING;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2790 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2791 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2792 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2793 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2794 * Scrolls one page up so that the first line (truncated or whole)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2795 * of the current page becomes the fully visible last line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2796 * The caret is scrolled the same number of lines so that its location
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2797 * relative to the top line remains the same. The exception is the beginning
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2798 * of the text where a full page scroll is not possible. In this case the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2799 * caret is moved in front of the first character.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2800 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2801 void doPageUp(bool select, int height) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2802 if (isSingleLine()) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2803 int oldHScrollOffset = horizontalScrollOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2804 int oldColumnX = columnX;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2805 if (isFixedLineHeight()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2806 int caretLine = getCaretLine();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2807 if (caretLine > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2808 int lineHeight = renderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2809 int lines = (height is -1 ? clientAreaHeight : height) / lineHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2810 int scrollLines = Math.max(1, Math.min(caretLine, lines));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2811 caretLine -= scrollLines;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2812 caretOffset = getOffsetAtPoint(columnX, getLinePixel(caretLine));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2813 if (select) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2814 doSelection(ST.COLUMN_PREVIOUS);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2815 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2816 int verticalScrollOffset = getVerticalScrollOffset();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2817 int scrollOffset = Math.max(0, verticalScrollOffset - scrollLines * getVerticalIncrement());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2818 if (scrollOffset < verticalScrollOffset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2819 scrollVertical(scrollOffset - verticalScrollOffset, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2820 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2821 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2822 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2823 int caretLine = getCaretLine();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2824 int lineHeight, lineIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2825 if (height is -1) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2826 if (topIndexY is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2827 height = clientAreaHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2828 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2829 int y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2830 if (topIndex > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2831 lineIndex = topIndex - 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2832 lineHeight = renderer.getLineHeight(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2833 height = clientAreaHeight - topIndexY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2834 y = lineHeight - topIndexY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2835 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2836 lineIndex = topIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2837 lineHeight = renderer.getLineHeight(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2838 height = clientAreaHeight - (lineHeight + topIndexY);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2839 y = -topIndexY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2840 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2841 if (wordWrap) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2842 TextLayout layout = renderer.getTextLayout(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2843 for (int i = 0; i < layout.getLineCount(); i++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2844 Rectangle bounds = layout.getLineBounds(i);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2845 if (bounds.contains(bounds.x, y)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2846 height += lineHeight - (bounds.y + bounds.height);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2847 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2848 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2849 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2850 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2851 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2852 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2853 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2854 lineIndex = getLineIndex(clientAreaHeight - height);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2855 int topLineY = getLinePixel(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2856 if (wordWrap) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2857 TextLayout layout = renderer.getTextLayout(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2858 int y = topLineY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2859 for (int i = 0; i < layout.getLineCount(); i++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2860 Rectangle bounds = layout.getLineBounds(i);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2861 if (bounds.contains(bounds.x, y)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2862 height = clientAreaHeight - (topLineY + bounds.y);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2863 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2864 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2865 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2866 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2867 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2868 height = clientAreaHeight - topLineY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2869 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2870 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2871 int caretHeight = height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2872 if (wordWrap) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2873 TextLayout layout = renderer.getTextLayout(caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2874 int offsetInLine = caretOffset - content.getOffsetAtLine(caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2875 lineIndex = getVisualLineIndex(layout, offsetInLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2876 caretHeight += layout.getBounds().height - layout.getLineBounds(lineIndex).y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2877 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2878 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2879 lineIndex = caretLine;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2880 lineHeight = renderer.getLineHeight(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2881 while (caretHeight - lineHeight >= 0 && lineIndex > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2882 caretHeight -= lineHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2883 lineHeight = renderer.getLineHeight(--lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2884 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2885 lineHeight = renderer.getLineHeight(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2886 caretOffset = getOffsetAtPoint(columnX, lineHeight - caretHeight, lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2887 if (select) doSelection(ST.COLUMN_PREVIOUS);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2888 height = getAvailableHeightAbove(height);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2889 scrollVertical(-height, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2890 if (height is 0) setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2891 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2892 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2893 int hScrollChange = oldHScrollOffset - horizontalScrollOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2894 columnX = oldColumnX + hScrollChange;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2895 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2896 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2897 * Updates the selection to extend to the current caret position.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2898 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2899 void doSelection(int direction) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2900 int redrawStart = -1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2901 int redrawEnd = -1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2902 if (selectionAnchor is -1) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2903 selectionAnchor = selection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2904 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2905 if (direction is ST.COLUMN_PREVIOUS) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2906 if (caretOffset < selection.x) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2907 // grow selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2908 redrawEnd = selection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2909 redrawStart = selection.x = caretOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2910 // check if selection has reversed direction
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2911 if (selection.y !is selectionAnchor) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2912 redrawEnd = selection.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2913 selection.y = selectionAnchor;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2914 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2915 // test whether selection actually changed. Fixes 1G71EO1
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2916 } else if (selectionAnchor is selection.x && caretOffset < selection.y) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2917 // caret moved towards selection anchor (left side of selection).
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2918 // shrink selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2919 redrawEnd = selection.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2920 redrawStart = selection.y = caretOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2921 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2922 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2923 if (caretOffset > selection.y) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2924 // grow selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2925 redrawStart = selection.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2926 redrawEnd = selection.y = caretOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2927 // check if selection has reversed direction
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2928 if (selection.x !is selectionAnchor) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2929 redrawStart = selection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2930 selection.x = selectionAnchor;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2931 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2932 // test whether selection actually changed. Fixes 1G71EO1
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2933 } else if (selectionAnchor is selection.y && caretOffset > selection.x) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2934 // caret moved towards selection anchor (right side of selection).
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2935 // shrink selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2936 redrawStart = selection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2937 redrawEnd = selection.x = caretOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2938 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2939 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2940 if (redrawStart !is -1 && redrawEnd !is -1) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2941 internalRedrawRange(redrawStart, redrawEnd - redrawStart);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2942 sendSelectionEvent();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2943 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2944 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2945 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2946 * Moves the caret to the next character or to the beginning of the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2947 * next line if the cursor is at the end of a line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2948 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2949 void doSelectionCursorNext() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2950 int caretLine = getCaretLine();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2951 int lineOffset = content.getOffsetAtLine(caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2952 int offsetInLine = caretOffset - lineOffset;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	2953 if (offsetInLine < content.getLine(caretLine).length) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2954 TextLayout layout = renderer.getTextLayout(caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2955 offsetInLine = layout.getNextOffset(offsetInLine, DWT.MOVEMENT_CLUSTER);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2956 int lineStart = layout.getLineOffsets()[layout.getLineIndex(offsetInLine)];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2957 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2958 caretOffset = offsetInLine + lineOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2959 caretAlignment = offsetInLine is lineStart ? OFFSET_LEADING : PREVIOUS_OFFSET_TRAILING;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2960 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2961 } else if (caretLine < content.getLineCount() - 1 && !isSingleLine()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2962 caretLine++;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2963 caretOffset = content.getOffsetAtLine(caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2964 caretAlignment = PREVIOUS_OFFSET_TRAILING;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2965 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2966 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2967 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2968 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2969 * Moves the caret to the previous character or to the end of the previous
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2970 * line if the cursor is at the beginning of a line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2971 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2972 void doSelectionCursorPrevious() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2973 int caretLine = getCaretLine();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2974 int lineOffset = content.getOffsetAtLine(caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2975 int offsetInLine = caretOffset - lineOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2976 caretAlignment = OFFSET_LEADING;
182 721afe91f448 Fix: several utf8 awareness problems Frank Benoit <benoit@tionex.de> parents: 170 diff changeset	2977
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2978 if (offsetInLine > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2979 caretOffset = getClusterPrevious(caretOffset, caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2980 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2981 } else if (caretLine > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2982 caretLine--;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2983 lineOffset = content.getOffsetAtLine(caretLine);
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	2984 caretOffset = lineOffset + content.getLine(caretLine).length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2985 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2986 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2987 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2988 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2989 * Moves the caret one line down and to the same character offset relative
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2990 * to the beginning of the line. Moves the caret to the end of the new line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2991 * if the new line is shorter than the character offset.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2992 * Moves the caret to the end of the text if the caret already is on the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2993 * last line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2994 * Adjusts the selection according to the caret change. This can either add
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2995 * to or subtract from the old selection, depending on the previous selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2996 * direction.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2997 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2998 void doSelectionLineDown() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	2999 int oldColumnX = columnX = getPointAtOffset(caretOffset).x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3000 doLineDown(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3001 columnX = oldColumnX;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3002 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3003 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3004 * Moves the caret one line up and to the same character offset relative
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3005 * to the beginning of the line. Moves the caret to the end of the new line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3006 * if the new line is shorter than the character offset.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3007 * Moves the caret to the beginning of the document if it is already on the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3008 * first line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3009 * Adjusts the selection according to the caret change. This can either add
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3010 * to or subtract from the old selection, depending on the previous selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3011 * direction.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3012 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3013 void doSelectionLineUp() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3014 int oldColumnX = columnX = getPointAtOffset(caretOffset).x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3015 doLineUp(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3016 columnX = oldColumnX;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3017 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3018 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3019 * Scrolls one page down so that the last line (truncated or whole)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3020 * of the current page becomes the fully visible top line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3021 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3022 * The caret is scrolled the same number of lines so that its location
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3023 * relative to the top line remains the same. The exception is the end
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3024 * of the text where a full page scroll is not possible. In this case
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3025 * the caret is moved after the last character.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3026 * <p></p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3027 * Adjusts the selection according to the caret change. This can either add
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3028 * to or subtract from the old selection, depending on the previous selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3029 * direction.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3030 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3031 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3032 void doSelectionPageDown(int pixels) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3033 int oldColumnX = columnX = getPointAtOffset(caretOffset).x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3034 doPageDown(true, pixels);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3035 columnX = oldColumnX;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3036 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3037 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3038 * Scrolls one page up so that the first line (truncated or whole)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3039 * of the current page becomes the fully visible last line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3040 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3041 * The caret is scrolled the same number of lines so that its location
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3042 * relative to the top line remains the same. The exception is the beginning
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3043 * of the text where a full page scroll is not possible. In this case the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3044 * caret is moved in front of the first character.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3045 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3046 * Adjusts the selection according to the caret change. This can either add
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3047 * to or subtract from the old selection, depending on the previous selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3048 * direction.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3049 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3050 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3051 void doSelectionPageUp(int pixels) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3052 int oldColumnX = columnX = getPointAtOffset(caretOffset).x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3053 doPageUp(true, pixels);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3054 columnX = oldColumnX;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3055 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3056 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3057 * Moves the caret to the end of the next word .
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3058 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3059 void doSelectionWordNext() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3060 int newCaretOffset = getWordNext(caretOffset, DWT.MOVEMENT_WORD);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3061 // Force symmetrical movement for word next and previous. Fixes 14536
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3062 caretAlignment = OFFSET_LEADING;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3063 // don't change caret position if in single line mode and the cursor
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3064 // would be on a different line. fixes 5673
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3065 if (!isSingleLine() \|\|
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3066 content.getLineAtOffset(caretOffset) is content.getLineAtOffset(newCaretOffset)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3067 caretOffset = newCaretOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3068 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3069 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3070 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3071 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3072 * Moves the caret to the start of the previous word.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3073 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3074 void doSelectionWordPrevious() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3075 caretAlignment = OFFSET_LEADING;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3076 caretOffset = getWordPrevious(caretOffset, DWT.MOVEMENT_WORD);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3077 int caretLine = content.getLineAtOffset(caretOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3078 // word previous always comes from bottom line. when
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3079 // wrapping lines, stay on bottom line when on line boundary
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3080 if (wordWrap && caretLine < content.getLineCount() - 1 &&
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3081 caretOffset is content.getOffsetAtLine(caretLine + 1)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3082 caretLine++;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3083 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3084 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3085 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3086 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3087 * Moves the caret one character to the left. Do not go to the previous line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3088 * When in a bidi locale and at a R2L character the caret is moved to the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3089 * beginning of the R2L segment (visually right) and then one character to the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3090 * left (visually left because it's now in a L2R segment).
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3091 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3092 void doVisualPrevious() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3093 caretOffset = getClusterPrevious(caretOffset, getCaretLine());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3094 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3095 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3096 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3097 * Moves the caret one character to the right. Do not go to the next line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3098 * When in a bidi locale and at a R2L character the caret is moved to the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3099 * end of the R2L segment (visually left) and then one character to the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3100 * right (visually right because it's now in a L2R segment).
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3101 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3102 void doVisualNext() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3103 caretOffset = getClusterNext(caretOffset, getCaretLine());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3104 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3105 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3106 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3107 * Moves the caret to the end of the next word.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3108 * If a selection exists, move the caret to the end of the selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3109 * and remove the selection.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3110 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3111 void doWordNext() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3112 if (selection.y - selection.x > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3113 caretOffset = selection.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3114 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3115 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3116 doSelectionWordNext();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3117 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3118 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3119 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3120 * Moves the caret to the start of the previous word.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3121 * If a selection exists, move the caret to the start of the selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3122 * and remove the selection.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3123 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3124 void doWordPrevious() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3125 if (selection.y - selection.x > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3126 caretOffset = selection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3127 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3128 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3129 doSelectionWordPrevious();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3130 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3131 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3132 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3133 * Ends the autoscroll process.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3134 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3135 void endAutoScroll() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3136 autoScrollDirection = DWT.NULL;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3137 }
150 f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	3138 public override Color getBackground() {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3139 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3140 if (background is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3141 return getDisplay().getSystemColor(DWT.COLOR_LIST_BACKGROUND);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3142 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3143 return background;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3144 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3145 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3146 * Returns the baseline, in pixels.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3147 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3148 * Note: this API should not be used if a StyleRange attribute causes lines to
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3149 * have different heights (i.e. different fonts, rise, etc).
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3150 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3151 * @return baseline the baseline
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3152 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3153 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3154 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3155 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3156 * @since 3.0
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3157 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3158 * @see #getBaseline(int)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3159 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3160 public int getBaseline() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3161 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3162 return renderer.getBaseline();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3163 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3164 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3165 * Returns the baseline at the given offset, in pixels.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3166 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3167 * @param offset the offset
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3168 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3169 * @return baseline the baseline
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3170 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3171 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3172 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3173 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3174 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3175 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3176 * <li>ERROR_INVALID_RANGE when the offset is outside the valid range (< 0 or > getCharCount())</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3177 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3178 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3179 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3180 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3181 public int getBaseline(int offset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3182 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3183 if (!(0 <= offset && offset <= content.getCharCount())) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3184 DWT.error(DWT.ERROR_INVALID_RANGE);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3185 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3186 if (isFixedLineHeight()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3187 return renderer.getBaseline();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3188 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3189 int lineIndex = content.getLineAtOffset(offset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3190 int lineOffset = content.getOffsetAtLine(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3191 TextLayout layout = renderer.getTextLayout(lineIndex);
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	3192 int lineInParagraph = layout.getLineIndex(Math.min(offset - lineOffset, layout.getText().length));
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3193 FontMetrics metrics = layout.getLineMetrics(lineInParagraph);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3194 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3195 return metrics.getAscent() + metrics.getLeading();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3196 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3197 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3198 * Gets the BIDI coloring mode. When true the BIDI text display
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3199 * algorithm is applied to segments of text that are the same
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3200 * color.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3201 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3202 * @return the current coloring mode
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3203 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3204 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3205 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3206 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3207 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3208 * @deprecated use BidiSegmentListener instead.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3209 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3210 public bool getBidiColoring() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3211 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3212 return bidiColoring;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3213 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3214 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3215 * Returns the index of the last fully visible line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3216 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3217 * @return index of the last fully visible line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3218 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3219 int getBottomIndex() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3220 int bottomIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3221 if (isFixedLineHeight()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3222 int lineCount = 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3223 int lineHeight = renderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3224 if (lineHeight !is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3225 // calculate the number of lines that are fully visible
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3226 int partialTopLineHeight = topIndex * lineHeight - getVerticalScrollOffset();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3227 lineCount = (clientAreaHeight - partialTopLineHeight) / lineHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3228 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3229 bottomIndex = Math.min(content.getLineCount() - 1, topIndex + Math.max(0, lineCount - 1));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3230 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3231 int clientAreaHeight = this.clientAreaHeight - bottomMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3232 bottomIndex = getLineIndex(clientAreaHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3233 if (bottomIndex > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3234 int linePixel = getLinePixel(bottomIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3235 int lineHeight = renderer.getLineHeight(bottomIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3236 if (linePixel + lineHeight > clientAreaHeight) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3237 if (getLinePixel(bottomIndex - 1) >= topMargin) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3238 bottomIndex--;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3239 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3240 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3241 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3242 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3243 return bottomIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3244 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3245 Rectangle getBoundsAtOffset(int offset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3246 int lineIndex = content.getLineAtOffset(offset);
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	3247 String line = content.getLine(lineIndex);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3248 Rectangle bounds;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	3249 if (line.length !is 0) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3250 int offsetInLine = offset - content.getOffsetAtLine(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3251 TextLayout layout = renderer.getTextLayout(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3252 bounds = layout.getBounds(offsetInLine, offsetInLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3253 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3254 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3255 bounds = new Rectangle (0, 0, 0, renderer.getLineHeight());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3256 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3257 bounds.x += leftMargin - horizontalScrollOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3258 bounds.y += getLinePixel(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3259 return bounds;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3260 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3261
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3262 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3263 * Returns the caret position relative to the start of the text.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3264 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3265 * @return the caret position relative to the start of the text.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3266 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3267 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3268 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3269 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3270 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3271 public int getCaretOffset() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3272 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3273 return caretOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3274 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3275 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3276 * Returns the caret width.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3277 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3278 * @return the caret width, 0 if caret is null.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3279 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3280 int getCaretWidth() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3281 Caret caret = getCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3282 if (caret is null) return 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3283 return caret.getSize().x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3284 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3285 Object getClipboardContent(int clipboardType) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3286 TextTransfer plainTextTransfer = TextTransfer.getInstance();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3287 return clipboard.getContents(plainTextTransfer, clipboardType);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3288 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3289 int getClusterNext(int offset, int lineIndex) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3290 int lineOffset = content.getOffsetAtLine(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3291 TextLayout layout = renderer.getTextLayout(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3292 offset -= lineOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3293 offset = layout.getNextOffset(offset, DWT.MOVEMENT_CLUSTER);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3294 offset += lineOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3295 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3296 return offset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3297 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3298 int getClusterPrevious(int offset, int lineIndex) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3299 int lineOffset = content.getOffsetAtLine(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3300 TextLayout layout = renderer.getTextLayout(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3301 offset -= lineOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3302 offset = layout.getPreviousOffset(offset, DWT.MOVEMENT_CLUSTER);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3303 offset += lineOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3304 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3305 return offset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3306 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3307 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3308 * Returns the content implementation that is used for text storage
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3309 * or null if no user defined content implementation has been set.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3310 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3311 * @return content implementation that is used for text storage or null
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3312 * if no user defined content implementation has been set.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3313 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3314 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3315 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3316 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3317 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3318 public StyledTextContent getContent() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3319 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3320 return content;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3321 }
150 f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	3322 public override bool getDragDetect () {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3323 checkWidget ();
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	3324 return dragDetect_;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3325 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3326 /**
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	3327 * Returns whether the widget implements double click mouse behavior.
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3328 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3329 * @return true if double clicking a word selects the word, false if double clicks
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3330 * have the same effect as regular mouse clicks
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3331 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3332 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3333 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3334 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3335 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3336 public bool getDoubleClickEnabled() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3337 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3338 return doubleClickEnabled;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3339 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3340 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3341 * Returns whether the widget content can be edited.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3342 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3343 * @return true if content can be edited, false otherwise
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3344 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3345 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3346 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3347 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3348 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3349 public bool getEditable() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3350 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3351 return editable;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3352 }
150 f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	3353 public override Color getForeground() {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3354 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3355 if (foreground is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3356 return getDisplay().getSystemColor(DWT.COLOR_LIST_FOREGROUND);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3357 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3358 return foreground;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3359 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3360 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3361 * Returns the horizontal scroll increment.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3362 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3363 * @return horizontal scroll increment.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3364 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3365 int getHorizontalIncrement() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3366 return renderer.averageCharWidth;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3367 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3368 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3369 * Returns the horizontal scroll offset relative to the start of the line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3370 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3371 * @return horizontal scroll offset relative to the start of the line,
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3372 * measured in character increments starting at 0, if > 0 the content is scrolled
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3373 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3374 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3375 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3376 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3377 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3378 public int getHorizontalIndex() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3379 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3380 return horizontalScrollOffset / getHorizontalIncrement();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3381 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3382 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3383 * Returns the horizontal scroll offset relative to the start of the line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3384 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3385 * @return the horizontal scroll offset relative to the start of the line,
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3386 * measured in pixel starting at 0, if > 0 the content is scrolled.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3387 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3388 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3389 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3390 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3391 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3392 public int getHorizontalPixel() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3393 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3394 return horizontalScrollOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3395 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3396 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3397 * Returns the line indentation of the widget.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3398 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3399 * @return the line indentation
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3400 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3401 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3402 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3403 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3404 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3405 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3406 * @see #getLineIndent(int)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3407 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3408 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3409 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3410 public int getIndent() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3411 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3412 return indent;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3413 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3414 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3415 * Returns whether the widget justifies lines.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3416 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3417 * @return whether lines are justified
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3418 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3419 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3420 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3421 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3422 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3423 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3424 * @see #getLineJustify(int)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3425 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3426 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3427 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3428 public bool getJustify() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3429 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3430 return justify;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3431 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3432 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3433 * Returns the action assigned to the key.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3434 * Returns DWT.NULL if there is no action associated with the key.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3435 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3436 * @param key a key code defined in DWT.java or a character.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3437 * Optionally ORd with a state mask. Preferred state masks are one or more of
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3438 * DWT.MOD1, DWT.MOD2, DWT.MOD3, since these masks account for modifier platform
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3439 * differences. However, there may be cases where using the specific state masks
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3440 * (i.e., DWT.CTRL, DWT.SHIFT, DWT.ALT, DWT.COMMAND) makes sense.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3441 * @return one of the predefined actions defined in ST.java or DWT.NULL
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3442 * if there is no action associated with the key.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3443 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3444 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3445 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3446 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3447 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3448 public int getKeyBinding(int key) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3449 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3450 if( auto p = key in keyActionMap ){
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3451 return *p;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3452 }
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	3453 return DWT.NULL;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3454 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3455 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3456 * Gets the number of characters.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3457 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3458 * @return number of characters in the widget
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3459 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3460 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3461 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3462 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3463 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3464 public int getCharCount() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3465 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3466 return content.getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3467 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3468 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3469 * Returns the alignment of the line at the given index.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3470 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3471 * @param index the index of the line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3472 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3473 * @return the line alignment
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3474 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3475 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3476 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3477 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3478 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3479 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3480 * <li>ERROR_INVALID_ARGUMENT when the index is invalid</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3481 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3482 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3483 * @see #getAlignment()
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3484 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3485 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3486 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3487 public int getLineAlignment(int index) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3488 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3489 if (index < 0 \|\| index > content.getLineCount()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3490 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3491 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3492 return renderer.getLineAlignment(index, alignment);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3493 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3494 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3495 * Returns the line at the specified offset in the text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3496 * where 0 < offset < getCharCount() so that getLineAtOffset(getCharCount())
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3497 * returns the line of the insert location.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3498 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3499 * @param offset offset relative to the start of the content.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3500 * 0 <= offset <= getCharCount()
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3501 * @return line at the specified offset in the text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3502 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3503 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3504 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3505 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3506 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3507 * <li>ERROR_INVALID_RANGE when the offset is outside the valid range (< 0 or > getCharCount())</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3508 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3509 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3510 public int getLineAtOffset(int offset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3511 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3512 if (offset < 0 \|\| offset > getCharCount()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3513 DWT.error(DWT.ERROR_INVALID_RANGE);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3514 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3515 return content.getLineAtOffset(offset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3516 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3517 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3518 * Returns the background color of the line at the given index.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3519 * Returns null if a LineBackgroundListener has been set or if no background
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3520 * color has been specified for the line. Should not be called if a
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3521 * LineBackgroundListener has been set since the listener maintains the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3522 * line background colors.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3523 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3524 * @param index the index of the line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3525 * @return the background color of the line at the given index.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3526 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3527 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3528 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3529 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3530 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3531 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3532 * <li>ERROR_INVALID_ARGUMENT when the index is invalid</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3533 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3534 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3535 public Color getLineBackground(int index) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3536 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3537 if (index < 0 \|\| index > content.getLineCount()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3538 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3539 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3540 return isListening(LineGetBackground) ? null : renderer.getLineBackground(index, null);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3541 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3542 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3543 * Returns the bullet of the line at the given index.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3544 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3545 * @param index the index of the line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3546 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3547 * @return the line bullet
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3548 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3549 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3550 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3551 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3552 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3553 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3554 * <li>ERROR_INVALID_ARGUMENT when the index is invalid</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3555 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3556 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3557 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3558 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3559 public Bullet getLineBullet(int index) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3560 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3561 if (index < 0 \|\| index > content.getLineCount()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3562 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3563 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3564 return isListening(LineGetStyle) ? null : renderer.getLineBullet(index, null);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3565 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3566 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3567 * Returns the line background data for the given line or null if
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3568 * there is none.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3569 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3570 * @param lineOffset offset of the line start relative to the start
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3571 * of the content.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3572 * @param line line to get line background data for
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3573 * @return line background data for the given line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3574 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	3575 StyledTextEvent getLineBackgroundData(int lineOffset, String line) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3576 return sendLineEvent(LineGetBackground, lineOffset, line);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3577 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3578 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3579 * Gets the number of text lines.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3580 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3581 * @return the number of lines in the widget
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3582 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3583 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3584 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3585 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3586 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3587 public int getLineCount() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3588 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3589 return content.getLineCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3590 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3591 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3592 * Returns the number of lines that can be completely displayed in the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3593 * widget client area.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3594 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3595 * @return number of lines that can be completely displayed in the widget
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3596 * client area.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3597 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3598 int getLineCountWhole() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3599 if (isFixedLineHeight()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3600 int lineHeight = renderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3601 return lineHeight !is 0 ? clientAreaHeight / lineHeight : 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3602 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3603 return getBottomIndex() - topIndex + 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3604 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3605 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3606 * Returns the line delimiter used for entering new lines by key down
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3607 * or paste operation.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3608 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3609 * @return line delimiter used for entering new lines by key down
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3610 * or paste operation.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3611 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3612 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3613 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3614 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3615 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	3616 public String getLineDelimiter() {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3617 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3618 return content.getLineDelimiter();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3619 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3620 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3621 * Returns the line height.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3622 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3623 * Note: this API should not be used if a StyleRange attribute causes lines to
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3624 * have different heights (i.e. different fonts, rise, etc).
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3625 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3626 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3627 * @return line height in pixel.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3628 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3629 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3630 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3631 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3632 * @see #getLineHeight(int)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3633 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3634 public int getLineHeight() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3635 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3636 return renderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3637 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3638 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3639 * Returns the line height at the given offset.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3640 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3641 * @param offset the offset
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3642 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3643 * @return line height in pixels
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3644 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3645 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3646 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3647 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3648 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3649 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3650 * <li>ERROR_INVALID_RANGE when the offset is outside the valid range (< 0 or > getCharCount())</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3651 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3652 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3653 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3654 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3655 public int getLineHeight(int offset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3656 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3657 if (!(0 <= offset && offset <= content.getCharCount())) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3658 DWT.error(DWT.ERROR_INVALID_RANGE);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3659 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3660 if (isFixedLineHeight()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3661 return renderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3662 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3663 int lineIndex = content.getLineAtOffset(offset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3664 int lineOffset = content.getOffsetAtLine(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3665 TextLayout layout = renderer.getTextLayout(lineIndex);
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	3666 int lineInParagraph = layout.getLineIndex(Math.min(offset - lineOffset, layout.getText().length));
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3667 int height = layout.getLineBounds(lineInParagraph).height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3668 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3669 return height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3670 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3671 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3672 * Returns the indentation of the line at the given index.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3673 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3674 * @param index the index of the line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3675 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3676 * @return the line indentation
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3677 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3678 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3679 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3680 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3681 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3682 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3683 * <li>ERROR_INVALID_ARGUMENT when the index is invalid</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3684 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3685 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3686 * @see #getIndent()
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3687 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3688 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3689 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3690 public int getLineIndent(int index) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3691 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3692 if (index < 0 \|\| index > content.getLineCount()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3693 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3694 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3695 return isListening(LineGetStyle) ? 0 : renderer.getLineIndent(index, indent);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3696 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3697 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3698 * Returns whether the line at the given index is justified.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3699 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3700 * @param index the index of the line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3701 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3702 * @return whether the line is justified
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3703 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3704 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3705 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3706 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3707 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3708 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3709 * <li>ERROR_INVALID_ARGUMENT when the index is invalid</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3710 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3711 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3712 * @see #getJustify()
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3713 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3714 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3715 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3716 public bool getLineJustify(int index) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3717 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3718 if (index < 0 \|\| index > content.getLineCount()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3719 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3720 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3721 return isListening(LineGetStyle) ? false : renderer.getLineJustify(index, justify);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3722 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3723 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3724 * Returns the line spacing of the widget.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3725 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3726 * @return the line spacing
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3727 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3728 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3729 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3730 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3731 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3732 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3733 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3734 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3735 public int getLineSpacing() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3736 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3737 return lineSpacing;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3738 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3739 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3740 * Returns the line style data for the given line or null if there is
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3741 * none.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3742 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3743 * If there is a LineStyleListener but it does not set any styles,
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3744 * the StyledTextEvent.styles field will be initialized to an empty
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3745 * array.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3746 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3747 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3748 * @param lineOffset offset of the line start relative to the start of
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3749 * the content.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3750 * @param line line to get line styles for
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3751 * @return line style data for the given line. Styles may start before
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3752 * line start and end after line end
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3753 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	3754 StyledTextEvent getLineStyleData(int lineOffset, String line) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3755 return sendLineEvent(LineGetStyle, lineOffset, line);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3756 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3757 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3758 * Returns the top pixel, relative to the client area, of a given line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3759 * Clamps out of ranges index.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3760 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3761 * @param lineIndex the line index, the max value is lineCount. If
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3762 * lineIndex is lineCount it returns the bottom pixel of the last line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3763 * It means this function can be used to retrieve the bottom pixel of any line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3764 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3765 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3766 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3767 public int getLinePixel(int lineIndex) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3768 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3769 int lineCount = content.getLineCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3770 lineIndex = Math.max(0, Math.min(lineCount, lineIndex));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3771 if (isFixedLineHeight()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3772 int lineHeight = renderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3773 return lineIndex * lineHeight - getVerticalScrollOffset() + topMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3774 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3775 if (lineIndex is topIndex) return topIndexY + topMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3776 int height = topIndexY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3777 if (lineIndex > topIndex) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3778 for (int i = topIndex; i < lineIndex; i++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3779 height += renderer.getLineHeight(i);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3780 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3781 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3782 for (int i = topIndex - 1; i >= lineIndex; i--) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3783 height -= renderer.getLineHeight(i);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3784 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3785 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3786 return height + topMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3787 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3788 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3789 * Returns the line index for a y, relative to the client area.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3790 * The line index returned is always in the range 0..lineCount - 1.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3791 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3792 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3793 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3794 public int getLineIndex(int y) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3795 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3796 y -= topMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3797 if (isFixedLineHeight()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3798 int lineHeight = renderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3799 int lineIndex = (y + getVerticalScrollOffset()) / lineHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3800 int lineCount = content.getLineCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3801 lineIndex = Math.max(0, Math.min(lineCount - 1, lineIndex));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3802 return lineIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3803 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3804 if (y is topIndexY) return topIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3805 int line = topIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3806 if (y < topIndexY) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3807 while (y < topIndexY && line > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3808 y += renderer.getLineHeight(--line);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3809 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3810 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3811 int lineCount = content.getLineCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3812 int lineHeight = renderer.getLineHeight(line);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3813 while (y - lineHeight >= topIndexY && line < lineCount - 1) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3814 y -= lineHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3815 lineHeight = renderer.getLineHeight(++line);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3816 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3817 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3818 return line;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3819 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3820 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3821 * Returns the x, y location of the upper left corner of the character
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3822 * bounding box at the specified offset in the text. The point is
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3823 * relative to the upper left corner of the widget client area.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3824 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3825 * @param offset offset relative to the start of the content.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3826 * 0 <= offset <= getCharCount()
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3827 * @return x, y location of the upper left corner of the character
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3828 * bounding box at the specified offset in the text.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3829 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3830 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3831 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3832 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3833 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3834 * <li>ERROR_INVALID_RANGE when the offset is outside the valid range (< 0 or > getCharCount())</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3835 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3836 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3837 public Point getLocationAtOffset(int offset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3838 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3839 if (offset < 0 \|\| offset > getCharCount()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3840 DWT.error(DWT.ERROR_INVALID_RANGE);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3841 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3842 return getPointAtOffset(offset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3843 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3844 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3845 * Returns the character offset of the first character of the given line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3846 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3847 * @param lineIndex index of the line, 0 based relative to the first
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3848 * line in the content. 0 <= lineIndex < getLineCount(), except
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3849 * lineIndex may always be 0
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3850 * @return offset offset of the first character of the line, relative to
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3851 * the beginning of the document. The first character of the document is
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3852 * at offset 0.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3853 * When there are not any lines, getOffsetAtLine(0) is a valid call that
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3854 * answers 0.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3855 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3856 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3857 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3858 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3859 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3860 * <li>ERROR_INVALID_RANGE when the offset is outside the valid range (< 0 or > getCharCount())</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3861 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3862 * @since 2.0
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3863 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3864 public int getOffsetAtLine(int lineIndex) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3865 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3866 if (lineIndex < 0 \|\|
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3867 (lineIndex > 0 && lineIndex >= content.getLineCount())) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3868 DWT.error(DWT.ERROR_INVALID_RANGE);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3869 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3870 return content.getOffsetAtLine(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3871 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3872 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3873 * Returns the offset of the character at the given location relative
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3874 * to the first character in the document.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3875 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3876 * The return value reflects the character offset that the caret will
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3877 * be placed at if a mouse click occurred at the specified location.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3878 * If the x coordinate of the location is beyond the center of a character
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3879 * the returned offset will be behind the character.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3880 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3881 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3882 * @param point the origin of character bounding box relative to
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3883 * the origin of the widget client area.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3884 * @return offset of the character at the given location relative
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3885 * to the first character in the document.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3886 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3887 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3888 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3889 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3890 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3891 * <li>ERROR_NULL_ARGUMENT when point is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3892 * <li>ERROR_INVALID_ARGUMENT when there is no character at the specified location</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3893 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3894 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3895 public int getOffsetAtLocation(Point point) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3896 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3897 if (point is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3898 DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3899 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3900 // is y above first line or is x before first column?
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3901 if (point.y + getVerticalScrollOffset() < 0 \|\| point.x + horizontalScrollOffset < 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3902 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3903 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3904 int bottomIndex = getLineIndex(clientAreaHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3905 int height = getLinePixel(bottomIndex) + renderer.getLineHeight(bottomIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3906 if (point.y > height) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3907 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3908 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3909 int lineIndex = getLineIndex(point.y);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3910 int lineOffset = content.getOffsetAtLine(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3911 TextLayout layout = renderer.getTextLayout(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3912 int[] trailing = new int[1];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3913 int x = point.x + horizontalScrollOffset - leftMargin ;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3914 int y = point.y - getLinePixel(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3915 int offsetInLine = layout.getOffset(x, y, trailing);
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	3916 String line = content.getLine(lineIndex);
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	3917 if (offsetInLine !is line.length - 1) {
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	3918 offsetInLine = Math.min(line.length, offsetInLine + trailing[0]);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3919 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3920 Rectangle rect = layout.getLineBounds(layout.getLineIndex(offsetInLine));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3921 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3922 if (x > rect.x + rect.width) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3923 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3924 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3925 return lineOffset + offsetInLine;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3926 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3927 int getOffsetAtPoint(int x, int y) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3928 int lineIndex = getLineIndex(y);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3929 y -= getLinePixel(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3930 return getOffsetAtPoint(x, y, lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3931 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3932 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3933 * Returns the offset at the specified x location in the specified line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3934 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3935 * @param x x location of the mouse location
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3936 * @param line line the mouse location is in
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3937 * @return the offset at the specified x location in the specified line,
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3938 * relative to the beginning of the document
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3939 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3940 int getOffsetAtPoint(int x, int y, int lineIndex) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3941 TextLayout layout = renderer.getTextLayout(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3942 x += horizontalScrollOffset - leftMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3943 int[] trailing = new int[1];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3944 int offsetInLine = layout.getOffset(x, y, trailing);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3945 caretAlignment = OFFSET_LEADING;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3946 if (trailing[0] !is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3947 int lineInParagraph = layout.getLineIndex(offsetInLine + trailing[0]);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3948 //TODO handle bidi text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3949 int lineStart = layout.getLineOffsets()[lineInParagraph];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3950 if (offsetInLine + trailing[0] is lineStart) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3951 offsetInLine += trailing[0];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3952 caretAlignment = PREVIOUS_OFFSET_TRAILING;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3953 } else {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	3954 String line = content.getLine(lineIndex);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3955 int level;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3956 int offset = offsetInLine;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	3957 while (offset > 0 && tango.text.Unicode.isDigit(line[offset])) offset--;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	3958 if (offset is 0 && tango.text.Unicode.isDigit(line[offset])) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3959 level = isMirrored() ? 1 : 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3960 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3961 level = layout.getLevel(offset) & 0x1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3962 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3963 offsetInLine += trailing[0];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3964 int trailingLevel = layout.getLevel(offsetInLine) & 0x1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3965 if ((level ^ trailingLevel) !is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3966 caretAlignment = PREVIOUS_OFFSET_TRAILING;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3967 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3968 caretAlignment = OFFSET_LEADING;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3969 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3970 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3971 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3972 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3973 return offsetInLine + content.getOffsetAtLine(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3974 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3975 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3976 * Returns the orientation of the receiver.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3977 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3978 * @return the orientation style
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3979 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3980 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3981 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3982 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3983 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3984 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3985 * @since 2.1.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3986 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3987 public int getOrientation () {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3988 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3989 return isMirrored() ? DWT.RIGHT_TO_LEFT : DWT.LEFT_TO_RIGHT;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3990 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3991 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3992 * Returns the index of the last partially visible line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3993 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3994 * @return index of the last partially visible line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3995 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3996 int getPartialBottomIndex() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3997 if (isFixedLineHeight()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3998 int lineHeight = renderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	3999 int partialLineCount = Compatibility.ceil(clientAreaHeight, lineHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4000 return Math.min(content.getLineCount(), topIndex + partialLineCount) - 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4001 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4002 return getLineIndex(clientAreaHeight - bottomMargin);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4003 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4004 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4005 * Returns the index of the first partially visible line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4006 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4007 * @return index of the first partially visible line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4008 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4009 int getPartialTopIndex() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4010 if (isFixedLineHeight()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4011 int lineHeight = renderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4012 return getVerticalScrollOffset() / lineHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4013 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4014 return topIndexY <= 0 ? topIndex : topIndex - 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4015 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4016 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4017 * Returns the content in the specified range using the platform line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4018 * delimiter to separate lines.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4019 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4020 * @param writer the TextWriter to write line text into
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4021 * @return the content in the specified range using the platform line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4022 * delimiter to separate lines as written by the specified TextWriter.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4023 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	4024 String getPlatformDelimitedText(TextWriter writer) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4025 int end = writer.getStart() + writer.getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4026 int startLine = content.getLineAtOffset(writer.getStart());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4027 int endLine = content.getLineAtOffset(end);
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	4028 String endLineText = content.getLine(endLine);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4029 int endLineOffset = content.getOffsetAtLine(endLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4030
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4031 for (int i = startLine; i <= endLine; i++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4032 writer.writeLine(content.getLine(i), content.getOffsetAtLine(i));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4033 if (i < endLine) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4034 writer.writeLineDelimiter(PlatformLineDelimiter);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4035 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4036 }
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	4037 if (end > endLineOffset + endLineText.length) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4038 writer.writeLineDelimiter(PlatformLineDelimiter);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4039 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4040 writer.close();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4041 return writer.toString();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4042 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4043 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4044 * Returns all the ranges of text that have an associated StyleRange.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4045 * Returns an empty array if a LineStyleListener has been set.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4046 * Should not be called if a LineStyleListener has been set since the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4047 * listener maintains the styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4048 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4049 * The ranges array contains start and length pairs. Each pair refers to
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4050 * the corresponding style in the styles array. For example, the pair
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4051 * that starts at ranges[n] with length ranges[n+1] uses the style
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4052 * at styles[n/2] returned by <code>getStyleRanges(int, int, bool)</code>.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4053 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4054 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4055 * @return the ranges or an empty array if a LineStyleListener has been set.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4056 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4057 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4058 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4059 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4060 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4061 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4062 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4063 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4064 * @see #getStyleRanges(bool)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4065 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4066 public int[] getRanges() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4067 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4068 if (!isListening(LineGetStyle)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4069 int[] ranges = renderer.getRanges(0, content.getCharCount());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4070 if (ranges !is null) return ranges;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4071 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4072 return new int[0];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4073 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4074 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4075 * Returns the ranges of text that have an associated StyleRange.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4076 * Returns an empty array if a LineStyleListener has been set.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4077 * Should not be called if a LineStyleListener has been set since the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4078 * listener maintains the styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4079 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4080 * The ranges array contains start and length pairs. Each pair refers to
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4081 * the corresponding style in the styles array. For example, the pair
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4082 * that starts at ranges[n] with length ranges[n+1] uses the style
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4083 * at styles[n/2] returned by <code>getStyleRanges(int, int, bool)</code>.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4084 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4085 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4086 * @param start the start offset of the style ranges to return
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4087 * @param length the number of style ranges to return
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4088 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4089 * @return the ranges or an empty array if a LineStyleListener has been set.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4090 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4091 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4092 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4093 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4094 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4095 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4096 * <li>ERROR_INVALID_RANGE if start or length are outside the widget content</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4097 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4098 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4099 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4100 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4101 * @see #getStyleRanges(int, int, bool)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4102 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4103 public int[] getRanges(int start, int length) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4104 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4105 int contentLength = getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4106 int end = start + length;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4107 if (start > end \|\| start < 0 \|\| end > contentLength) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4108 DWT.error(DWT.ERROR_INVALID_RANGE);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4109 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4110 if (!isListening(LineGetStyle)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4111 int[] ranges = renderer.getRanges(start, length);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4112 if (ranges !is null) return ranges;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4113 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4114 return new int[0];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4115 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4116 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4117 * Returns the selection.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4118 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4119 * Text selections are specified in terms of caret positions. In a text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4120 * widget that contains N characters, there are N+1 caret positions,
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4121 * ranging from 0..N
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4122 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4123 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4124 * @return start and end of the selection, x is the offset of the first
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4125 * selected character, y is the offset after the last selected character.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4126 * The selection values returned are visual (i.e., x will always always be
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4127 * <= y). To determine if a selection is right-to-left (RtoL) vs. left-to-right
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4128 * (LtoR), compare the caretOffset to the start and end of the selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4129 * (e.g., caretOffset is start of selection implies that the selection is RtoL).
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4130 * @see #getSelectionRange
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4131 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4132 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4133 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4134 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4135 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4136 public Point getSelection() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4137 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4138 return new Point(selection.x, selection.y);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4139 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4140 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4141 * Returns the selection.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4142 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4143 * @return start and length of the selection, x is the offset of the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4144 * first selected character, relative to the first character of the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4145 * widget content. y is the length of the selection.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4146 * The selection values returned are visual (i.e., length will always always be
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4147 * positive). To determine if a selection is right-to-left (RtoL) vs. left-to-right
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4148 * (LtoR), compare the caretOffset to the start and end of the selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4149 * (e.g., caretOffset is start of selection implies that the selection is RtoL).
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4150 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4151 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4152 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4153 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4154 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4155 public Point getSelectionRange() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4156 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4157 return new Point(selection.x, selection.y - selection.x);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4158 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4159 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4160 * Returns the receiver's selection background color.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4161 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4162 * @return the selection background color
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4163 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4164 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4165 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4166 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4167 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4168 * @since 2.1
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4169 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4170 public Color getSelectionBackground() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4171 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4172 if (selectionBackground is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4173 return getDisplay().getSystemColor(DWT.COLOR_LIST_SELECTION);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4174 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4175 return selectionBackground;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4176 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4177 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4178 * Gets the number of selected characters.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4179 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4180 * @return the number of selected characters.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4181 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4182 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4183 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4184 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4185 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4186 public int getSelectionCount() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4187 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4188 return getSelectionRange().y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4189 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4190 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4191 * Returns the receiver's selection foreground color.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4192 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4193 * @return the selection foreground color
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4194 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4195 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4196 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4197 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4198 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4199 * @since 2.1
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4200 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4201 public Color getSelectionForeground() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4202 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4203 if (selectionForeground is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4204 return getDisplay().getSystemColor(DWT.COLOR_LIST_SELECTION_TEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4205 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4206 return selectionForeground;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4207 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4208 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4209 * Returns the selected text.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4210 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4211 * @return selected text, or an empty String if there is no selection.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4212 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4213 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4214 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4215 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4216 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	4217 public String getSelectionText() {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4218 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4219 return content.getTextRange(selection.x, selection.y - selection.x);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4220 }
150 f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	4221 public override int getStyle() {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4222 int style = super.getStyle();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4223 style &= ~(DWT.LEFT_TO_RIGHT \| DWT.RIGHT_TO_LEFT \| DWT.MIRRORED);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4224 if (isMirrored()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4225 style \|= DWT.RIGHT_TO_LEFT \| DWT.MIRRORED;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4226 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4227 style \|= DWT.LEFT_TO_RIGHT;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4228 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4229 return style;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4230 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4231
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4232 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4233 * Returns the text segments that should be treated as if they
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4234 * had a different direction than the surrounding text.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4235 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4236 * @param lineOffset offset of the first character in the line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4237 * 0 based from the beginning of the document.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4238 * @param line text of the line to specify bidi segments for
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4239 * @return text segments that should be treated as if they had a
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4240 * different direction than the surrounding text. Only the start
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4241 * index of a segment is specified, relative to the start of the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4242 * line. Always starts with 0 and ends with the line length.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4243 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4244 * <li>ERROR_INVALID_ARGUMENT - if the segment indices returned
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4245 * by the listener do not start with 0, are not in ascending order,
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4246 * exceed the line length or have duplicates</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4247 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4248 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	4249 int [] getBidiSegments(int lineOffset, String line) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4250 if (!isBidi()) return null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4251 if (!isListening(LineGetSegments)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4252 return getBidiSegmentsCompatibility(line, lineOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4253 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4254 StyledTextEvent event = sendLineEvent(LineGetSegments, lineOffset, line);
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	4255 int lineLength = line.length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4256 int[] segments;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4257 if (event is null \|\| event.segments is null \|\| event.segments.length is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4258 segments = [0, lineLength];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4259 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4260 int segmentCount = event.segments.length;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4261
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4262 // test segment index consistency
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4263 if (event.segments[0] !is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4264 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4265 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4266 for (int i = 1; i < segmentCount; i++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4267 if (event.segments[i] <= event.segments[i - 1] \|\| event.segments[i] > lineLength) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4268 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4269 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4270 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4271 // ensure that last segment index is line end offset
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4272 if (event.segments[segmentCount - 1] !is lineLength) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4273 segments = new int[segmentCount + 1];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4274 System.arraycopy(event.segments, 0, segments, 0, segmentCount);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4275 segments[segmentCount] = lineLength;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4276 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4277 segments = event.segments;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4278 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4279 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4280 return segments;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4281 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4282 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4283 * @see #getBidiSegments
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4284 * Supports deprecated setBidiColoring API. Remove when API is removed.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4285 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	4286 int [] getBidiSegmentsCompatibility(String line, int lineOffset) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	4287 int lineLength = line.length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4288 if (!bidiColoring) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4289 return [0, lineLength];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4290 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4291 StyleRange [] styles = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4292 StyledTextEvent event = getLineStyleData(lineOffset, line);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4293 if (event !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4294 styles = event.styles;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4295 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4296 styles = renderer.getStyleRanges(lineOffset, lineLength, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4297 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4298 if (styles is null \|\| styles.length is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4299 return [0, lineLength];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4300 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4301 int k=0, count = 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4302 while (k < styles.length && styles[k].start is 0 && styles[k].length is lineLength) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4303 k++;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4304 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4305 int[] offsets = new int[(styles.length - k) * 2 + 2];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4306 for (int i = k; i < styles.length; i++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4307 StyleRange style = styles[i];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4308 int styleLineStart = Math.max(style.start - lineOffset, 0);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4309 int styleLineEnd = Math.max(style.start + style.length - lineOffset, styleLineStart);
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	4310 styleLineEnd = Math.min (styleLineEnd, line.length );
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4311 if (i > 0 && count > 1 &&
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4312 ((styleLineStart >= offsets[count-2] && styleLineStart <= offsets[count-1]) \|\|
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4313 (styleLineEnd >= offsets[count-2] && styleLineEnd <= offsets[count-1])) &&
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4314 style.similarTo(styles[i-1])) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4315 offsets[count-2] = Math.min(offsets[count-2], styleLineStart);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4316 offsets[count-1] = Math.max(offsets[count-1], styleLineEnd);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4317 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4318 if (styleLineStart > offsets[count - 1]) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4319 offsets[count] = styleLineStart;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4320 count++;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4321 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4322 offsets[count] = styleLineEnd;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4323 count++;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4324 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4325 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4326 // add offset for last non-colored segment in line, if any
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4327 if (lineLength > offsets[count-1]) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4328 offsets [count] = lineLength;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4329 count++;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4330 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4331 if (count is offsets.length) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4332 return offsets;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4333 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4334 int [] result = new int [count];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4335 System.arraycopy (offsets, 0, result, 0, count);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4336 return result;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4337 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4338 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4339 * Returns the style range at the given offset.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4340 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4341 * Returns null if a LineStyleListener has been set or if a style is not set
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4342 * for the offset.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4343 * Should not be called if a LineStyleListener has been set since the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4344 * listener maintains the styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4345 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4346 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4347 * @param offset the offset to return the style for.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4348 * 0 <= offset < getCharCount() must be true.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4349 * @return a StyleRange with start is offset and length is 1, indicating
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4350 * the style at the given offset. null if a LineStyleListener has been set
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4351 * or if a style is not set for the given offset.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4352 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4353 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4354 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4355 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4356 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4357 * <li>ERROR_INVALID_ARGUMENT when the offset is invalid</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4358 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4359 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4360 public StyleRange getStyleRangeAtOffset(int offset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4361 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4362 if (offset < 0 \|\| offset >= getCharCount()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4363 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4364 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4365 if (!isListening(LineGetStyle)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4366 StyleRange[] ranges = renderer.getStyleRanges(offset, 1, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4367 if (ranges !is null) return ranges[0];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4368 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4369 return null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4370 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4371 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4372 * Returns the styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4373 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4374 * Returns an empty array if a LineStyleListener has been set.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4375 * Should not be called if a LineStyleListener has been set since the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4376 * listener maintains the styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4377 * <p></p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4378 * Note: Because a StyleRange includes the start and length, the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4379 * same instance cannot occur multiple times in the array of styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4380 * If the same style attributes, such as font and color, occur in
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4381 * multiple StyleRanges, <code>getStyleRanges(bool)</code>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4382 * can be used to get the styles without the ranges.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4383 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4384 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4385 * @return the styles or an empty array if a LineStyleListener has been set.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4386 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4387 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4388 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4389 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4390 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4391 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4392 * @see #getStyleRanges(bool)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4393 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4394 public StyleRange[] getStyleRanges() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4395 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4396 return getStyleRanges(0, content.getCharCount(), true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4397 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4398 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4399 * Returns the styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4400 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4401 * Returns an empty array if a LineStyleListener has been set.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4402 * Should not be called if a LineStyleListener has been set since the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4403 * listener maintains the styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4404 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4405 * Note: When <code>includeRanges</code> is true, the start and length
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4406 * fields of each StyleRange will be valid, however the StyleRange
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4407 * objects may need to be cloned. When <code>includeRanges</code> is
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4408 * false, <code>getRanges(int, int)</code> can be used to get the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4409 * associated ranges.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4410 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4411 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4412 * @param includeRanges whether the start and length field of the StyleRanges should be set.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4413 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4414 * @return the styles or an empty array if a LineStyleListener has been set.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4415 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4416 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4417 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4418 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4419 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4420 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4421 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4422 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4423 * @see #getRanges(int, int)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4424 * @see #setStyleRanges(int[], StyleRange[])
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4425 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4426 public StyleRange[] getStyleRanges(bool includeRanges) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4427 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4428 return getStyleRanges(0, content.getCharCount(), includeRanges);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4429 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4430 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4431 * Returns the styles for the given text range.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4432 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4433 * Returns an empty array if a LineStyleListener has been set.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4434 * Should not be called if a LineStyleListener has been set since the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4435 * listener maintains the styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4436 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4437 * Note: Because the StyleRange includes the start and length, the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4438 * same instance cannot occur multiple times in the array of styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4439 * If the same style attributes, such as font and color, occur in
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4440 * multiple StyleRanges, <code>getStyleRanges(int, int, bool)</code>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4441 * can be used to get the styles without the ranges.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4442 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4443 * @param start the start offset of the style ranges to return
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4444 * @param length the number of style ranges to return
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4445 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4446 * @return the styles or an empty array if a LineStyleListener has
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4447 * been set. The returned styles will reflect the given range. The first
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4448 * returned <code>StyleRange</code> will have a starting offset >= start
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4449 * and the last returned <code>StyleRange</code> will have an ending
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4450 * offset <= start + length - 1
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4451 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4452 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4453 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4454 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4455 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4456 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4457 * <li>ERROR_INVALID_RANGE when start and/or end are outside the widget content</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4458 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4459 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4460 * @see #getStyleRanges(int, int, bool)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4461 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4462 * @since 3.0
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4463 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4464 public StyleRange[] getStyleRanges(int start, int length) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4465 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4466 return getStyleRanges(start, length, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4467 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4468 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4469 * Returns the styles for the given text range.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4470 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4471 * Returns an empty array if a LineStyleListener has been set.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4472 * Should not be called if a LineStyleListener has been set since the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4473 * listener maintains the styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4474 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4475 * Note: When <code>includeRanges</code> is true, the start and length
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4476 * fields of each StyleRange will be valid, however the StyleRange
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4477 * objects may need to be cloned. When <code>includeRanges</code> is
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4478 * false, <code>getRanges(int, int)</code> can be used to get the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4479 * associated ranges.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4480 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4481 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4482 * @param start the start offset of the style ranges to return
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4483 * @param length the number of style ranges to return
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4484 * @param includeRanges whether the start and length field of the StyleRanges should be set.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4485 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4486 * @return the styles or an empty array if a LineStyleListener has
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4487 * been set. The returned styles will reflect the given range. The first
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4488 * returned <code>StyleRange</code> will have a starting offset >= start
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4489 * and the last returned <code>StyleRange</code> will have an ending
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4490 * offset <= start + length - 1
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4491 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4492 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4493 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4494 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4495 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4496 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4497 * <li>ERROR_INVALID_RANGE when start and/or end are outside the widget content</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4498 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4499 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4500 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4501 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4502 * @see #getRanges(int, int)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4503 * @see #setStyleRanges(int[], StyleRange[])
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4504 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4505 public StyleRange[] getStyleRanges(int start, int length, bool includeRanges) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4506 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4507 int contentLength = getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4508 int end = start + length;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4509 if (start > end \|\| start < 0 \|\| end > contentLength) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4510 DWT.error(DWT.ERROR_INVALID_RANGE);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4511 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4512 if (!isListening(LineGetStyle)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4513 StyleRange[] ranges = renderer.getStyleRanges(start, length, includeRanges);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4514 if (ranges !is null) return ranges;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4515 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4516 return new StyleRange[0];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4517 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4518 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4519 * Returns the tab width measured in characters.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4520 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4521 * @return tab width measured in characters
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4522 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4523 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4524 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4525 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4526 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4527 public int getTabs() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4528 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4529 return tabLength;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4530 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4531 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4532 * Returns a copy of the widget content.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4533 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4534 * @return copy of the widget content
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4535 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4536 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4537 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4538 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4539 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	4540 public String getText() {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4541 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4542 return content.getTextRange(0, getCharCount());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4543 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4544 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4545 * Returns the widget content between the two offsets.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4546 *
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	4547 * @param start offset of the first character in the returned String
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4548 * @param end offset of the last character in the returned String
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4549 * @return widget content starting at start and ending at end
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4550 * @see #getTextRange(int,int)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4551 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4552 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4553 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4554 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4555 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4556 * <li>ERROR_INVALID_RANGE when start and/or end are outside the widget content</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4557 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4558 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	4559 public String getText(int start, int end) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4560 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4561 int contentLength = getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4562 if (start < 0 \|\| start >= contentLength \|\| end < 0 \|\| end >= contentLength \|\| start > end) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4563 DWT.error(DWT.ERROR_INVALID_RANGE);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4564 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4565 return content.getTextRange(start, end - start + 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4566 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4567 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4568 * Returns the smallest bounding rectangle that includes the characters between two offsets.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4569 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4570 * @param start offset of the first character included in the bounding box
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4571 * @param end offset of the last character included in the bounding box
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4572 * @return bounding box of the text between start and end
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4573 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4574 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4575 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4576 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4577 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4578 * <li>ERROR_INVALID_RANGE when start and/or end are outside the widget content</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4579 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4580 * @since 3.1
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4581 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4582 public Rectangle getTextBounds(int start, int end) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4583 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4584 int contentLength = getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4585 if (start < 0 \|\| start >= contentLength \|\| end < 0 \|\| end >= contentLength \|\| start > end) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4586 DWT.error(DWT.ERROR_INVALID_RANGE);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4587 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4588 int lineStart = content.getLineAtOffset(start);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4589 int lineEnd = content.getLineAtOffset(end);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4590 Rectangle rect;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4591 int y = getLinePixel(lineStart);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4592 int height = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4593 int left = 0x7fffffff, right = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4594 for (int i = lineStart; i <= lineEnd; i++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4595 int lineOffset = content.getOffsetAtLine(i);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4596 TextLayout layout = renderer.getTextLayout(i);
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	4597 if (layout.getText().length > 0) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4598 if (i is lineStart && i is lineEnd) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4599 rect = layout.getBounds(start - lineOffset, end - lineOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4600 } else if (i is lineStart) {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	4601 String line = content.getLine(i);
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	4602 rect = layout.getBounds(start - lineOffset, line.length);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4603 } else if (i is lineEnd) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4604 rect = layout.getBounds(0, end - lineOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4605 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4606 rect = layout.getBounds();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4607 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4608 left = Math.min(left, rect.x);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4609 right = Math.max(right, rect.x + rect.width);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4610 height += rect.height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4611 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4612 height += renderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4613 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4614 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4615 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4616 rect = new Rectangle (left, y, right-left, height);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4617 rect.x += leftMargin - horizontalScrollOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4618 return rect;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4619 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4620 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4621 * Returns the widget content starting at start for length characters.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4622 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4623 * @param start offset of the first character in the returned String
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4624 * @param length number of characters to return
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4625 * @return widget content starting at start and extending length characters.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4626 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4627 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4628 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4629 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4630 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4631 * <li>ERROR_INVALID_RANGE when start and/or length are outside the widget content</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4632 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4633 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	4634 public String getTextRange(int start, int length) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4635 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4636 int contentLength = getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4637 int end = start + length;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4638 if (start > end \|\| start < 0 \|\| end > contentLength) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4639 DWT.error(DWT.ERROR_INVALID_RANGE);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4640 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4641 return content.getTextRange(start, length);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4642 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4643 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4644 * Returns the maximum number of characters that the receiver is capable of holding.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4645 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4646 * @return the text limit
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4647 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4648 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4649 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4650 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4651 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4652 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4653 public int getTextLimit() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4654 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4655 return textLimit;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4656 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4657 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4658 * Gets the top index.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4659 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4660 * The top index is the index of the fully visible line that is currently
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4661 * at the top of the widget or the topmost partially visible line if no line is fully visible.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4662 * The top index changes when the widget is scrolled. Indexing is zero based.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4663 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4664 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4665 * @return the index of the top line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4666 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4667 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4668 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4669 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4670 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4671 public int getTopIndex() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4672 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4673 return topIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4674 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4675 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4676 * Gets the top pixel.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4677 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4678 * The top pixel is the pixel position of the line that is
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4679 * currently at the top of the widget. The text widget can be scrolled by pixels
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4680 * by dragging the scroll thumb so that a partial line may be displayed at the top
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4681 * the widget. The top pixel changes when the widget is scrolled. The top pixel
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4682 * does not include the widget trimming.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4683 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4684 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4685 * @return pixel position of the top line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4686 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4687 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4688 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4689 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4690 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4691 public int getTopPixel() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4692 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4693 return getVerticalScrollOffset();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4694 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4695 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4696 * Returns the vertical scroll increment.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4697 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4698 * @return vertical scroll increment.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4699 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4700 int getVerticalIncrement() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4701 return renderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4702 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4703 int getVerticalScrollOffset() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4704 if (verticalScrollOffset is -1) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4705 renderer.calculate(0, topIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4706 int height = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4707 for (int i = 0; i < topIndex; i++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4708 height += renderer.getLineHeight(i);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4709 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4710 height -= topIndexY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4711 verticalScrollOffset = height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4712 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4713 return verticalScrollOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4714 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4715 int getVisualLineIndex(TextLayout layout, int offsetInLine) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4716 int lineIndex = layout.getLineIndex(offsetInLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4717 int[] offsets = layout.getLineOffsets();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4718 if (lineIndex !is 0 && offsetInLine is offsets[lineIndex]) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4719 int lineY = layout.getLineBounds(lineIndex).y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4720 int caretY = getCaret().getLocation().y - topMargin - getLinePixel(getCaretLine());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4721 if (lineY > caretY) lineIndex--;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4722 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4723 return lineIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4724 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4725 int getCaretDirection() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4726 if (!isBidiCaret()) return DWT.DEFAULT;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4727 if (!updateCaretDirection && caretDirection !is DWT.NULL) return caretDirection;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4728 updateCaretDirection = false;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4729 int caretLine = getCaretLine();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4730 int lineOffset = content.getOffsetAtLine(caretLine);
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	4731 String line = content.getLine(caretLine);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4732 int offset = caretOffset - lineOffset;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	4733 int lineLength = line.length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4734 if (lineLength is 0) return isMirrored() ? DWT.RIGHT : DWT.LEFT;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4735 if (caretAlignment is PREVIOUS_OFFSET_TRAILING && offset > 0) offset--;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4736 if (offset is lineLength && offset > 0) offset--;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	4737 while (offset > 0 && tango.text.Unicode.isDigit(line[offset])) offset--;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	4738 if (offset is 0 && tango.text.Unicode.isDigit(line[offset])) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4739 return isMirrored() ? DWT.RIGHT : DWT.LEFT;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4740 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4741 TextLayout layout = renderer.getTextLayout(caretLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4742 int level = layout.getLevel(offset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4743 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4744 return ((level & 1) !is 0) ? DWT.RIGHT : DWT.LEFT;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4745 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4746 /*
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4747 * Returns the index of the line the caret is on.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4748 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4749 int getCaretLine() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4750 return content.getLineAtOffset(caretOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4751 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4752 int getWrapWidth () {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4753 if (wordWrap && !isSingleLine()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4754 int width = clientAreaWidth - leftMargin - rightMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4755 return width > 0 ? width : 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4756 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4757 return -1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4758 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4759 int getWordNext (int offset, int movement) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4760 int newOffset, lineOffset;
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	4761 String lineText;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4762 if (offset >= getCharCount()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4763 newOffset = offset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4764 int lineIndex = content.getLineCount() - 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4765 lineOffset = content.getOffsetAtLine(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4766 lineText = content.getLine(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4767 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4768 int lineIndex = content.getLineAtOffset(offset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4769 lineOffset = content.getOffsetAtLine(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4770 lineText = content.getLine(lineIndex);
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	4771 int lineLength = lineText.length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4772 if (offset is lineOffset + lineLength) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4773 newOffset = content.getOffsetAtLine(lineIndex + 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4774 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4775 TextLayout layout = renderer.getTextLayout(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4776 newOffset = lineOffset + layout.getNextOffset(offset - lineOffset, movement);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4777 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4778 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4779 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4780 return sendWordBoundaryEvent(WordNext, movement, offset, newOffset, lineText, lineOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4781 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4782 int getWordPrevious(int offset, int movement) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4783 int newOffset, lineOffset;
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	4784 String lineText;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4785 if (offset <= 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4786 newOffset = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4787 int lineIndex = content.getLineAtOffset(newOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4788 lineOffset = content.getOffsetAtLine(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4789 lineText = content.getLine(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4790 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4791 int lineIndex = content.getLineAtOffset(offset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4792 lineOffset = content.getOffsetAtLine(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4793 lineText = content.getLine(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4794 if (offset is lineOffset) {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	4795 String nextLineText = content.getLine(lineIndex - 1);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4796 int nextLineOffset = content.getOffsetAtLine(lineIndex - 1);
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	4797 newOffset = nextLineOffset + nextLineText.length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4798 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4799 TextLayout layout = renderer.getTextLayout(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4800 newOffset = lineOffset + layout.getPreviousOffset(offset - lineOffset, movement);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4801 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4802 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4803 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4804 return sendWordBoundaryEvent(WordPrevious, movement, offset, newOffset, lineText, lineOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4805 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4806 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4807 * Returns whether the widget wraps lines.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4808 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4809 * @return true if widget wraps lines, false otherwise
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4810 * @since 2.0
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4811 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4812 public bool getWordWrap() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4813 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4814 return wordWrap;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4815 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4816 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4817 * Returns the location of the given offset.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4818 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4819 * <b>NOTE:</b> Does not return correct values for true italic fonts (vs. slanted fonts).
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4820 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4821 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4822 * @return location of the character at the given offset in the line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4823 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4824 Point getPointAtOffset(int offset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4825 int lineIndex = content.getLineAtOffset(offset);
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	4826 String line = content.getLine(lineIndex);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4827 int lineOffset = content.getOffsetAtLine(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4828 int offsetInLine = offset - lineOffset;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	4829 int lineLength = line.length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4830 if (lineIndex < content.getLineCount() - 1) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4831 int endLineOffset = content.getOffsetAtLine(lineIndex + 1) - 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4832 if (lineLength < offsetInLine && offsetInLine <= endLineOffset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4833 offsetInLine = lineLength;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4834 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4835 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4836 Point point;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4837 TextLayout layout = renderer.getTextLayout(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4838 if (lineLength !is 0 && offsetInLine <= lineLength) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4839 if (offsetInLine is lineLength) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4840 point = layout.getLocation(offsetInLine - 1, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4841 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4842 switch (caretAlignment) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4843 case OFFSET_LEADING:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4844 point = layout.getLocation(offsetInLine, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4845 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4846 case PREVIOUS_OFFSET_TRAILING:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4847 default:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4848 if (offsetInLine is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4849 point = layout.getLocation(offsetInLine, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4850 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4851 point = layout.getLocation(offsetInLine - 1, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4852 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4853 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4854 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4855 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4856 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4857 point = new Point(layout.getIndent(), 0);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4858 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4859 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4860 point.x += leftMargin - horizontalScrollOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4861 point.y += getLinePixel(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4862 return point;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4863 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4864 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4865 * Inserts a string. The old selection is replaced with the new text.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4866 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4867 * @param string the string
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	4868 * @see #replaceTextRange(int,int,String)
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4869 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4870 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4871 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4872 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4873 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4874 * <li>ERROR_NULL_ARGUMENT when string is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4875 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4876 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	4877 public void insert(String string) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4878 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4879 if (string is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4880 DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4881 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4882 Point sel = getSelectionRange();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4883 replaceTextRange(sel.x, sel.y, string);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4884 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4885 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4886 * Creates content change listeners and set the default content model.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4887 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4888 void installDefaultContent() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4889 textChangeListener = new class() TextChangeListener {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4890 public void textChanging(TextChangingEvent event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4891 handleTextChanging(event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4892 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4893 public void textChanged(TextChangedEvent event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4894 handleTextChanged(event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4895 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4896 public void textSet(TextChangedEvent event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4897 handleTextSet(event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4898 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4899 };
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4900 content = new DefaultContent();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4901 content.addTextChangeListener(textChangeListener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4902 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4903 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4904 * Adds event listeners
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4905 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4906 void installListeners() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4907 ScrollBar verticalBar = getVerticalBar();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4908 ScrollBar horizontalBar = getHorizontalBar();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4909
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4910 listener = new class() Listener {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4911 public void handleEvent(Event event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4912 switch (event.type) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4913 case DWT.Dispose: handleDispose(event); break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4914 case DWT.KeyDown: handleKeyDown(event); break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4915 case DWT.KeyUp: handleKeyUp(event); break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4916 case DWT.MouseDown: handleMouseDown(event); break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4917 case DWT.MouseUp: handleMouseUp(event); break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4918 case DWT.MouseMove: handleMouseMove(event); break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4919 case DWT.Paint: handlePaint(event); break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4920 case DWT.Resize: handleResize(event); break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4921 case DWT.Traverse: handleTraverse(event); break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4922 default:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4923 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4924 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4925 };
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4926 addListener(DWT.Dispose, listener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4927 addListener(DWT.KeyDown, listener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4928 addListener(DWT.KeyUp, listener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4929 addListener(DWT.MouseDown, listener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4930 addListener(DWT.MouseUp, listener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4931 addListener(DWT.MouseMove, listener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4932 addListener(DWT.Paint, listener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4933 addListener(DWT.Resize, listener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4934 addListener(DWT.Traverse, listener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4935 if (verticalBar !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4936 verticalBar.addListener(DWT.Selection, new class() Listener {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4937 public void handleEvent(Event event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4938 handleVerticalScroll(event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4939 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4940 });
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4941 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4942 if (horizontalBar !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4943 horizontalBar.addListener(DWT.Selection, new class() Listener {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4944 public void handleEvent(Event event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4945 handleHorizontalScroll(event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4946 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4947 });
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4948 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4949 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4950 void internalRedrawRange(int start, int length) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4951 if (length <= 0) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4952 int end = start + length;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4953 int startLine = content.getLineAtOffset(start);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4954 int endLine = content.getLineAtOffset(end);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4955 int partialBottomIndex = getPartialBottomIndex();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4956 int partialTopIndex = getPartialTopIndex();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4957 if (startLine > partialBottomIndex \|\| endLine < partialTopIndex) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4958 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4959 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4960 if (partialTopIndex > startLine) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4961 startLine = partialTopIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4962 start = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4963 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4964 start -= content.getOffsetAtLine(startLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4965 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4966 if (partialBottomIndex < endLine) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4967 endLine = partialBottomIndex + 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4968 end = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4969 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4970 end -= content.getOffsetAtLine(endLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4971 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4972
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4973 TextLayout layout = renderer.getTextLayout(startLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4974 int lineX = leftMargin - horizontalScrollOffset, startLineY = getLinePixel(startLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4975 int[] offsets = layout.getLineOffsets();
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	4976 int startIndex = layout.getLineIndex(Math.min(start, layout.getText().length));
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4977
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4978 /* Redraw end of line before start line if wrapped and start offset is first char */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4979 if (wordWrap && startIndex > 0 && offsets[startIndex] is start) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4980 Rectangle rect = layout.getLineBounds(startIndex - 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4981 rect.x = rect.width;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4982 rect.width = clientAreaWidth - rightMargin - rect.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4983 rect.x += lineX;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4984 rect.y += startLineY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4985 super.redraw(rect.x, rect.y, rect.width, rect.height, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4986 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4987
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4988 if (startLine is endLine) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	4989 int endIndex = layout.getLineIndex(Math.min(end, layout.getText().length));
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4990 if (startIndex is endIndex) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4991 /* Redraw rect between start and end offset if start and end offsets are in same wrapped line */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4992 Rectangle rect = layout.getBounds(start, end - 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4993 rect.x += lineX;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4994 rect.y += startLineY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4995 super.redraw(rect.x, rect.y, rect.width, rect.height, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4996 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4997 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4998 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	4999 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5000
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5001 /* Redraw start line from the start offset to the end of client area */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5002 Rectangle startRect = layout.getBounds(start, offsets[startIndex + 1] - 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5003 if (startRect.height is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5004 Rectangle bounds = layout.getLineBounds(startIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5005 startRect.x = bounds.width;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5006 startRect.y = bounds.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5007 startRect.height = bounds.height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5008 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5009 startRect.x += lineX;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5010 startRect.y += startLineY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5011 startRect.width = clientAreaWidth - rightMargin - startRect.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5012 super.redraw(startRect.x, startRect.y, startRect.width, startRect.height, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5013
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5014 /* Redraw end line from the beginning of the line to the end offset */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5015 if (startLine !is endLine) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5016 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5017 layout = renderer.getTextLayout(endLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5018 offsets = layout.getLineOffsets();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5019 }
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5020 int endIndex = layout.getLineIndex(Math.min(end, layout.getText().length));
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5021 Rectangle endRect = layout.getBounds(offsets[endIndex], end - 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5022 if (endRect.height is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5023 Rectangle bounds = layout.getLineBounds(endIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5024 endRect.y = bounds.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5025 endRect.height = bounds.height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5026 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5027 endRect.x += lineX;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5028 endRect.y += getLinePixel(endLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5029 super.redraw(endRect.x, endRect.y, endRect.width, endRect.height, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5030 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5031
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5032 /* Redraw all lines in between start and end line */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5033 int y = startRect.y + startRect.height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5034 if (endRect.y > y) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5035 super.redraw(leftMargin, y, clientAreaWidth - rightMargin - leftMargin, endRect.y - y, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5036 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5037 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5038 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5039 * Frees resources.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5040 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5041 void handleDispose(Event event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5042 removeListener(DWT.Dispose, listener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5043 notifyListeners(DWT.Dispose, event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5044 event.type = DWT.None;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5045
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5046 clipboard.dispose();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5047 if (renderer !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5048 renderer.dispose();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5049 renderer = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5050 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5051 if (content !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5052 content.removeTextChangeListener(textChangeListener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5053 content = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5054 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5055 if (defaultCaret !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5056 defaultCaret.dispose();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5057 defaultCaret = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5058 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5059 if (leftCaretBitmap !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5060 leftCaretBitmap.dispose();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5061 leftCaretBitmap = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5062 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5063 if (rightCaretBitmap !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5064 rightCaretBitmap.dispose();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5065 rightCaretBitmap = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5066 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5067 if (isBidiCaret()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5068 BidiUtil.removeLanguageListener(handle);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5069 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5070 selectionBackground = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5071 selectionForeground = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5072 textChangeListener = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5073 selection = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5074 doubleClickSelection = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5075 keyActionMap = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5076 background = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5077 foreground = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5078 clipboard = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5079 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5080 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5081 * Scrolls the widget horizontally.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5082 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5083 void handleHorizontalScroll(Event event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5084 int scrollPixel = getHorizontalBar().getSelection() - horizontalScrollOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5085 scrollHorizontal(scrollPixel, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5086 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5087 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5088 * If an action has been registered for the key stroke execute the action.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5089 * Otherwise, if a character has been entered treat it as new content.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5090 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5091 * @param event keyboard event
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5092 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5093 void handleKey(Event event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5094 int action;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5095 caretAlignment = PREVIOUS_OFFSET_TRAILING;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5096 if (event.keyCode !is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5097 // special key pressed (e.g., F1)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5098 action = getKeyBinding(event.keyCode \| event.stateMask);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5099 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5100 // character key pressed
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5101 action = getKeyBinding(event.character \| event.stateMask);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5102 if (action is DWT.NULL) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5103 // see if we have a control character
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5104 if ((event.stateMask & DWT.CTRL) !is 0 && (event.character >= 0) && event.character <= 31) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5105 // get the character from the CTRL+char sequence, the control
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5106 // key subtracts 64 from the value of the key that it modifies
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5107 int c = event.character + 64;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5108 action = getKeyBinding(c \| event.stateMask);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5109 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5110 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5111 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5112 if (action is DWT.NULL) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5113 bool ignore = false;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5114
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5115 if (IS_CARBON) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5116 // Ignore accelerator key combinations (we do not want to
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5117 // insert a character in the text in this instance). Do not
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5118 // ignore COMMAND+ALT combinations since that key sequence
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5119 // produces characters on the mac.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5120 ignore = (event.stateMask ^ DWT.COMMAND) is 0 \|\|
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5121 (event.stateMask ^ (DWT.COMMAND \| DWT.SHIFT)) is 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5122 } else if (IS_MOTIF) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5123 // Ignore accelerator key combinations (we do not want to
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5124 // insert a character in the text in this instance). Do not
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5125 // ignore ALT combinations since this key sequence
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5126 // produces characters on motif.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5127 ignore = (event.stateMask ^ DWT.CTRL) is 0 \|\|
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5128 (event.stateMask ^ (DWT.CTRL \| DWT.SHIFT)) is 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5129 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5130 // Ignore accelerator key combinations (we do not want to
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5131 // insert a character in the text in this instance). Don't
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5132 // ignore CTRL+ALT combinations since that is the Alt Gr
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5133 // key on some keyboards. See bug 20953.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5134 ignore = (event.stateMask ^ DWT.ALT) is 0 \|\|
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5135 (event.stateMask ^ DWT.CTRL) is 0 \|\|
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5136 (event.stateMask ^ (DWT.ALT \| DWT.SHIFT)) is 0 \|\|
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5137 (event.stateMask ^ (DWT.CTRL \| DWT.SHIFT)) is 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5138 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5139 // -ignore anything below SPACE except for line delimiter keys and tab.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5140 // -ignore DEL
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5141 if (!ignore && event.character > 31 && event.character !is DWT.DEL \|\|
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5142 event.character is DWT.CR \|\| event.character is DWT.LF \|\|
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5143 event.character is TAB) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5144 doContent(event.character);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5145 update();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5146 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5147 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5148 invokeAction(action);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5149 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5150 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5151 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5152 * If a VerifyKey listener exists, verify that the key that was entered
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5153 * should be processed.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5154 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5155 * @param event keyboard event
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5156 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5157 void handleKeyDown(Event event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5158 if (clipboardSelection is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5159 clipboardSelection = new Point(selection.x, selection.y);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5160 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5161
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5162 Event verifyEvent = new Event();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5163 verifyEvent.character = event.character;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5164 verifyEvent.keyCode = event.keyCode;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5165 verifyEvent.stateMask = event.stateMask;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5166 verifyEvent.doit = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5167 notifyListeners(VerifyKey, verifyEvent);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5168 if (verifyEvent.doit) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5169 handleKey(event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5170 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5171 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5172 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5173 * Update the Selection Clipboard.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5174 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5175 * @param event keyboard event
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5176 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5177 void handleKeyUp(Event event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5178 if (clipboardSelection !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5179 if (clipboardSelection.x !is selection.x \|\| clipboardSelection.y !is selection.y) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5180 try {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5181 if (selection.y - selection.x > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5182 setClipboardContent(selection.x, selection.y - selection.x, DND.SELECTION_CLIPBOARD);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5183 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5184 } catch (DWTError error) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5185 // Copy to clipboard failed. This happens when another application
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5186 // is accessing the clipboard while we copy. Ignore the error.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5187 // Fixes 1GDQAVN
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5188 // Rethrow all other errors. Fixes bug 17578.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5189 if (error.code !is DND.ERROR_CANNOT_SET_CLIPBOARD) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5190 throw error;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5191 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5192 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5193 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5194 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5195 clipboardSelection = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5196 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5197 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5198 * Updates the caret location and selection if mouse button 1 has been
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5199 * pressed.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5200 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5201 void handleMouseDown(Event event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5202 //force focus (object support)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5203 forceFocus();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5204
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5205 //drag detect
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5206 if (dragDetect_ && checkDragDetect(event)) return;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5207
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5208 //paste clipboard selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5209 if (event.button is 2) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5210 auto o = cast(ArrayWrapperString)getClipboardContent(DND.SELECTION_CLIPBOARD);
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	5211 String text = o.array;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5212 if (text !is null && text.length > 0) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5213 // position cursor
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5214 doMouseLocationChange(event.x, event.y, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5215 // insert text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5216 Event e = new Event();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5217 e.start = selection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5218 e.end = selection.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5219 e.text = getModelDelimitedText(text);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5220 sendKeyEvent(e);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5221 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5222 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5223
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5224 //set selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5225 if ((event.button !is 1) \|\| (IS_CARBON && (event.stateMask & DWT.MOD4) !is 0)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5226 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5227 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5228 clickCount = event.count;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5229 if (clickCount is 1) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5230 bool select = (event.stateMask & DWT.MOD2) !is 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5231 doMouseLocationChange(event.x, event.y, select);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5232 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5233 if (doubleClickEnabled) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5234 clearSelection(false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5235 int offset = getOffsetAtPoint(event.x, event.y);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5236 int lineIndex = content.getLineAtOffset(offset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5237 int lineOffset = content.getOffsetAtLine(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5238 int lineEnd = content.getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5239 if (lineIndex + 1 < content.getLineCount()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5240 lineEnd = content.getOffsetAtLine(lineIndex + 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5241 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5242 int start, end;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5243 if ((clickCount & 1) is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5244 start = Math.max(0, getWordPrevious(offset, DWT.MOVEMENT_WORD_START));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5245 end = Math.min(content.getCharCount(), getWordNext(start, DWT.MOVEMENT_WORD_END));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5246 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5247 start = lineOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5248 end = lineEnd;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5249 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5250 selection.x = selection.y = start;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5251 selectionAnchor = -1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5252 caretOffset = end;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5253 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5254 doMouseSelection();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5255 doubleClickSelection = new Point(selection.x, selection.y);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5256 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5257 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5258 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5259 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5260 * Updates the caret location and selection if mouse button 1 is pressed
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5261 * during the mouse move.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5262 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5263 void handleMouseMove(Event event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5264 if (clickCount is 0) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5265 doMouseLocationChange(event.x, event.y, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5266 update();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5267 doAutoScroll(event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5268 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5269 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5270 * Autoscrolling ends when the mouse button is released.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5271 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5272 void handleMouseUp(Event event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5273 clickCount = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5274 endAutoScroll();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5275 if (event.button is 1) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5276 try {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5277 if (selection.y - selection.x > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5278 setClipboardContent(selection.x, selection.y - selection.x, DND.SELECTION_CLIPBOARD);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5279 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5280 } catch (DWTError error) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5281 // Copy to clipboard failed. This happens when another application
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5282 // is accessing the clipboard while we copy. Ignore the error.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5283 // Fixes 1GDQAVN
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5284 // Rethrow all other errors. Fixes bug 17578.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5285 if (error.code !is DND.ERROR_CANNOT_SET_CLIPBOARD) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5286 throw error;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5287 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5288 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5289 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5290 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5291 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5292 * Renders the invalidated area specified in the paint event.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5293 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5294 * @param event paint event
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5295 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5296 void handlePaint(Event event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5297 if (event.width is 0 \|\| event.height is 0) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5298 if (clientAreaWidth is 0 \|\| clientAreaHeight is 0) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5299
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5300 int startLine = getLineIndex(event.y);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5301 int y = getLinePixel(startLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5302 int endY = event.y + event.height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5303 GC gc = event.gc;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5304 Color background = getBackground();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5305 Color foreground = getForeground();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5306 if (endY > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5307 int lineCount = isSingleLine() ? 1 : content.getLineCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5308 int x = leftMargin - horizontalScrollOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5309 for (int i = startLine; y < endY && i < lineCount; i++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5310 y += renderer.drawLine(i, x, y, gc, background, foreground);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5311 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5312 if (y < endY) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5313 gc.setBackground(background);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5314 drawBackground(gc, 0, y, clientAreaWidth, endY - y);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5315 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5316 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5317 // fill the margin background
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5318 gc.setBackground(background);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5319 if (topMargin > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5320 drawBackground(gc, 0, 0, clientAreaWidth, topMargin);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5321 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5322 if (bottomMargin > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5323 drawBackground(gc, 0, clientAreaHeight - bottomMargin, clientAreaWidth, bottomMargin);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5324 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5325 if (leftMargin > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5326 drawBackground(gc, 0, 0, leftMargin, clientAreaHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5327 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5328 if (rightMargin > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5329 drawBackground(gc, clientAreaWidth - rightMargin, 0, rightMargin, clientAreaHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5330 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5331 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5332 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5333 * Recalculates the scroll bars. Rewraps all lines when in word
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5334 * wrap mode.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5335 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5336 * @param event resize event
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5337 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5338 void handleResize(Event event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5339 int oldHeight = clientAreaHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5340 int oldWidth = clientAreaWidth;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5341 Rectangle clientArea = getClientArea();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5342 clientAreaHeight = clientArea.height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5343 clientAreaWidth = clientArea.width;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5344 /* Redraw the old or new right/bottom margin if needed */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5345 if (oldWidth !is clientAreaWidth) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5346 if (rightMargin > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5347 int x = (oldWidth < clientAreaWidth ? oldWidth : clientAreaWidth) - rightMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5348 super.redraw(x, 0, rightMargin, oldHeight, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5349 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5350 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5351 if (oldHeight !is clientAreaHeight) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5352 if (bottomMargin > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5353 int y = (oldHeight < clientAreaHeight ? oldHeight : clientAreaHeight) - bottomMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5354 super.redraw(0, y, oldWidth, bottomMargin, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5355 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5356 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5357 if (wordWrap) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5358 if (oldWidth !is clientAreaWidth) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5359 renderer.reset(0, content.getLineCount());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5360 verticalScrollOffset = -1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5361 renderer.calculateIdle();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5362 super.redraw();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5363 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5364 if (oldHeight !is clientAreaHeight) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5365 if (oldHeight is 0) topIndexY = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5366 setScrollBars(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5367 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5368 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5369 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5370 renderer.calculateClientArea();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5371 setScrollBars(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5372 claimRightFreeSpace();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5373 // StyledText allows any value for horizontalScrollOffset when clientArea is zero
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5374 // in setHorizontalPixel() and setHorisontalOffset(). Fixes bug 168429.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5375 if (clientAreaWidth !is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5376 ScrollBar horizontalBar = getHorizontalBar();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5377 if (horizontalBar !is null && horizontalBar.getVisible()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5378 if (horizontalScrollOffset !is horizontalBar.getSelection()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5379 horizontalBar.setSelection(horizontalScrollOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5380 horizontalScrollOffset = horizontalBar.getSelection();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5381 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5382 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5383 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5384 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5385 claimBottomFreeSpace();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5386 //TODO FIX TOP INDEX DURING RESIZE
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5387 // if (oldHeight !is clientAreaHeight \|\| wordWrap) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5388 // calculateTopIndex(0);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5389 // }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5390 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5391 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5392 * Updates the caret position and selection and the scroll bars to reflect
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5393 * the content change.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5394 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5395 void handleTextChanged(TextChangedEvent event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5396 int firstLine = content.getLineAtOffset(lastTextChangeStart);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5397 resetCache(firstLine, 0);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5398 if (!isFixedLineHeight() && topIndex > firstLine) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5399 topIndex = firstLine;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5400 topIndexY = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5401 super.redraw();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5402 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5403 int lastLine = firstLine + lastTextChangeNewLineCount;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5404 int firstLineTop = getLinePixel(firstLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5405 int newLastLineBottom = getLinePixel(lastLine + 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5406 if (lastLineBottom !is newLastLineBottom) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5407 super.redraw();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5408 if (wordWrap) setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5409 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5410 super.redraw(0, firstLineTop, clientAreaWidth, newLastLineBottom - firstLineTop, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5411 redrawLinesBullet(renderer.redrawLines);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5412 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5413 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5414 renderer.redrawLines = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5415 // update selection/caret location after styles have been changed.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5416 // otherwise any text measuring could be incorrect
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5417 //
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5418 // also, this needs to be done after all scrolling. Otherwise,
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5419 // selection redraw would be flushed during scroll which is wrong.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5420 // in some cases new text would be drawn in scroll source area even
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5421 // though the intent is to scroll it.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5422 updateSelection(lastTextChangeStart, lastTextChangeReplaceCharCount, lastTextChangeNewCharCount);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5423 if (lastTextChangeReplaceLineCount > 0 \|\| wordWrap) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5424 claimBottomFreeSpace();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5425 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5426 if (lastTextChangeReplaceCharCount > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5427 claimRightFreeSpace();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5428 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5429 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5430 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5431 * Updates the screen to reflect a pending content change.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5432 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5433 * @param event .start the start offset of the change
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5434 * @param event .newText text that is going to be inserted or empty String
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5435 * if no text will be inserted
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5436 * @param event .replaceCharCount length of text that is going to be replaced
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5437 * @param event .newCharCount length of text that is going to be inserted
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5438 * @param event .replaceLineCount number of lines that are going to be replaced
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5439 * @param event .newLineCount number of new lines that are going to be inserted
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5440 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5441 void handleTextChanging(TextChangingEvent event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5442 if (event.replaceCharCount < 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5443 event.start += event.replaceCharCount;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5444 event.replaceCharCount *= -1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5445 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5446 lastTextChangeStart = event.start;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5447 lastTextChangeNewLineCount = event.newLineCount;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5448 lastTextChangeNewCharCount = event.newCharCount;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5449 lastTextChangeReplaceLineCount = event.replaceLineCount;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5450 lastTextChangeReplaceCharCount = event.replaceCharCount;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5451 int lineIndex = content.getLineAtOffset(event.start);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5452 int srcY = getLinePixel(lineIndex + event.replaceLineCount + 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5453 int destY = getLinePixel(lineIndex + 1) + event.newLineCount * renderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5454 lastLineBottom = destY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5455 if (srcY < 0 && destY < 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5456 lastLineBottom += srcY - destY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5457 verticalScrollOffset += destY - srcY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5458 calculateTopIndex(destY - srcY);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5459 setScrollBars(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5460 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5461 scrollText(srcY, destY);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5462 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5463
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5464 renderer.textChanging(event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5465
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5466 // Update the caret offset if it is greater than the length of the content.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5467 // This is necessary since style range API may be called between the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5468 // handleTextChanging and handleTextChanged events and this API sets the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5469 // caretOffset.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5470 int newEndOfText = content.getCharCount() - event.replaceCharCount + event.newCharCount;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5471 if (caretOffset > newEndOfText) caretOffset = newEndOfText;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5472 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5473 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5474 * Called when the widget content is set programmatically, overwriting
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5475 * the old content. Resets the caret position, selection and scroll offsets.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5476 * Recalculates the content width and scroll bars. Redraws the widget.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5477 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5478 * @param event text change event.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5479 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5480 void handleTextSet(TextChangedEvent event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5481 reset();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5482 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5483 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5484 * Called when a traversal key is pressed.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5485 * Allow tab next traversal to occur when the widget is in single
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5486 * line mode or in multi line and non-editable mode .
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5487 * When in editable multi line mode we want to prevent the tab
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5488 * traversal and receive the tab key event instead.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5489 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5490 * @param event the event
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5491 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5492 void handleTraverse(Event event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5493 switch (event.detail) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5494 case DWT.TRAVERSE_ESCAPE:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5495 case DWT.TRAVERSE_PAGE_NEXT:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5496 case DWT.TRAVERSE_PAGE_PREVIOUS:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5497 event.doit = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5498 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5499 case DWT.TRAVERSE_RETURN:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5500 case DWT.TRAVERSE_TAB_NEXT:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5501 case DWT.TRAVERSE_TAB_PREVIOUS:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5502 if ((getStyle() & DWT.SINGLE) !is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5503 event.doit = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5504 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5505 if (!editable \|\| (event.stateMask & DWT.MODIFIER_MASK) !is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5506 event.doit = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5507 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5508 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5509 break;
115 52b32f5cb1e0 many file checked for switch default Frank Benoit <benoit@tionex.de> parents: 108 diff changeset	5510 default:
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5511 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5512 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5513 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5514 * Scrolls the widget vertically.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5515 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5516 void handleVerticalScroll(Event event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5517 int scrollPixel = getVerticalBar().getSelection() - getVerticalScrollOffset();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5518 scrollVertical(scrollPixel, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5519 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5520 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5521 * Add accessibility support for the widget.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5522 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5523 void initializeAccessible() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5524 final Accessible accessible = getAccessible();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5525 accessible.addAccessibleListener(new class() AccessibleAdapter {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5526 public void getName (AccessibleEvent e) {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	5527 String name = null;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5528 Label label = getAssociatedLabel ();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5529 if (label !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5530 name = stripMnemonic (label.getText());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5531 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5532 e.result = name;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5533 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5534 public void getHelp(AccessibleEvent e) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5535 e.result = getToolTipText();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5536 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5537 public void getKeyboardShortcut(AccessibleEvent e) {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	5538 String shortcut = null;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5539 Label label = getAssociatedLabel ();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5540 if (label !is null) {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	5541 String text = label.getText ();
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5542 if (text !is null) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5543 dchar mnemonic = _findMnemonic (text);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5544 if (mnemonic !is '\0') {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5545 shortcut = "Alt+"~tango.text.convert.Utf.toString( [mnemonic] ); //$NON-NLS-1$
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5546 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5547 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5548 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5549 e.result = shortcut;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5550 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5551 });
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5552 accessible.addAccessibleTextListener(new class() AccessibleTextAdapter {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5553 public void getCaretOffset(AccessibleTextEvent e) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5554 e.offset = this.outer.getCaretOffset();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5555 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5556 public void getSelectionRange(AccessibleTextEvent e) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5557 Point selection = this.outer.getSelectionRange();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5558 e.offset = selection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5559 e.length = selection.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5560 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5561 });
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5562 accessible.addAccessibleControlListener(new class() AccessibleControlAdapter {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5563 public void getRole(AccessibleControlEvent e) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5564 e.detail = ACC.ROLE_TEXT;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5565 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5566 public void getState(AccessibleControlEvent e) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5567 int state = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5568 if (isEnabled()) state \|= ACC.STATE_FOCUSABLE;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5569 if (isFocusControl()) state \|= ACC.STATE_FOCUSED;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5570 if (!isVisible()) state \|= ACC.STATE_INVISIBLE;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5571 if (!getEditable()) state \|= ACC.STATE_READONLY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5572 e.detail = state;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5573 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5574 public void getValue(AccessibleControlEvent e) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5575 e.result = this.outer.getText();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5576 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5577 });
124 11b0a1324732 Fix various stack access from anon-class Frank Benoit <benoit@tionex.de> parents: 115 diff changeset	5578 addListener(DWT.FocusIn, new class(accessible) Listener {
11b0a1324732 Fix various stack access from anon-class Frank Benoit <benoit@tionex.de> parents: 115 diff changeset	5579 Accessible acc;
11b0a1324732 Fix various stack access from anon-class Frank Benoit <benoit@tionex.de> parents: 115 diff changeset	5580 this( Accessible acc ){ this.acc = acc; }
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5581 public void handleEvent(Event event) {
124 11b0a1324732 Fix various stack access from anon-class Frank Benoit <benoit@tionex.de> parents: 115 diff changeset	5582 acc.setFocus(ACC.CHILDID_SELF);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5583 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5584 });
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5585 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5586 /*
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5587 * Return the Label immediately preceding the receiver in the z-order,
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5588 * or null if none.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5589 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5590 Label getAssociatedLabel () {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5591 Control[] siblings = getParent ().getChildren ();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5592 for (int i = 0; i < siblings.length; i++) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5593 if (siblings [i] is this) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5594 if (i > 0 && ( null !is cast(Label)siblings [i-1])) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5595 return cast(Label) siblings [i-1];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5596 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5597 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5598 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5599 return null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5600 }
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	5601 String stripMnemonic (String string) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5602 int index = 0;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5603 int length_ = string.length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5604 do {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5605 while ((index < length_) && (string[index] !is '&')) index++;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5606 if (++index >= length_) return string;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5607 if (string[index] !is '&') {
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	5608 return string.substring(0, index-1) ~ string.substring(index, length_);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5609 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5610 index++;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5611 } while (index < length_);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5612 return string;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5613 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5614 /*
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5615 * Return the lowercase of the first non-'&' character following
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5616 * an '&' character in the given string. If there are no '&'
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5617 * characters in the given string, return '\0'.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5618 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	5619 dchar _findMnemonic (String string) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5620 if (string is null) return '\0';
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5621 int index = 0;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5622 int length_ = string.length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5623 do {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5624 while (index < length_ && string[index] !is '&') index++;
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5625 if (++index >= length_) return '\0';
182 721afe91f448 Fix: several utf8 awareness problems Frank Benoit <benoit@tionex.de> parents: 170 diff changeset	5626 if (string[index] !is '&') return CharacterFirstToLower(string[index .. $ ] );
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5627 index++;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5628 } while (index < length_);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5629 return '\0';
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5630 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5631 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5632 * Executes the action.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5633 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5634 * @param action one of the actions defined in ST.java
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5635 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5636 public void invokeAction(int action) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5637 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5638 updateCaretDirection = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5639 switch (action) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5640 // Navigation
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5641 case ST.LINE_UP:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5642 doLineUp(false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5643 clearSelection(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5644 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5645 case ST.LINE_DOWN:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5646 doLineDown(false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5647 clearSelection(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5648 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5649 case ST.LINE_START:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5650 doLineStart();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5651 clearSelection(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5652 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5653 case ST.LINE_END:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5654 doLineEnd();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5655 clearSelection(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5656 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5657 case ST.COLUMN_PREVIOUS:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5658 doCursorPrevious();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5659 clearSelection(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5660 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5661 case ST.COLUMN_NEXT:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5662 doCursorNext();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5663 clearSelection(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5664 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5665 case ST.PAGE_UP:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5666 doPageUp(false, -1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5667 clearSelection(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5668 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5669 case ST.PAGE_DOWN:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5670 doPageDown(false, -1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5671 clearSelection(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5672 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5673 case ST.WORD_PREVIOUS:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5674 doWordPrevious();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5675 clearSelection(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5676 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5677 case ST.WORD_NEXT:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5678 doWordNext();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5679 clearSelection(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5680 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5681 case ST.TEXT_START:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5682 doContentStart();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5683 clearSelection(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5684 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5685 case ST.TEXT_END:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5686 doContentEnd();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5687 clearSelection(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5688 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5689 case ST.WINDOW_START:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5690 doPageStart();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5691 clearSelection(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5692 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5693 case ST.WINDOW_END:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5694 doPageEnd();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5695 clearSelection(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5696 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5697 // Selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5698 case ST.SELECT_LINE_UP:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5699 doSelectionLineUp();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5700 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5701 case ST.SELECT_ALL:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5702 selectAll();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5703 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5704 case ST.SELECT_LINE_DOWN:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5705 doSelectionLineDown();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5706 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5707 case ST.SELECT_LINE_START:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5708 doLineStart();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5709 doSelection(ST.COLUMN_PREVIOUS);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5710 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5711 case ST.SELECT_LINE_END:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5712 doLineEnd();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5713 doSelection(ST.COLUMN_NEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5714 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5715 case ST.SELECT_COLUMN_PREVIOUS:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5716 doSelectionCursorPrevious();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5717 doSelection(ST.COLUMN_PREVIOUS);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5718 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5719 case ST.SELECT_COLUMN_NEXT:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5720 doSelectionCursorNext();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5721 doSelection(ST.COLUMN_NEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5722 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5723 case ST.SELECT_PAGE_UP:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5724 doSelectionPageUp(-1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5725 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5726 case ST.SELECT_PAGE_DOWN:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5727 doSelectionPageDown(-1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5728 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5729 case ST.SELECT_WORD_PREVIOUS:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5730 doSelectionWordPrevious();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5731 doSelection(ST.COLUMN_PREVIOUS);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5732 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5733 case ST.SELECT_WORD_NEXT:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5734 doSelectionWordNext();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5735 doSelection(ST.COLUMN_NEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5736 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5737 case ST.SELECT_TEXT_START:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5738 doContentStart();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5739 doSelection(ST.COLUMN_PREVIOUS);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5740 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5741 case ST.SELECT_TEXT_END:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5742 doContentEnd();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5743 doSelection(ST.COLUMN_NEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5744 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5745 case ST.SELECT_WINDOW_START:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5746 doPageStart();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5747 doSelection(ST.COLUMN_PREVIOUS);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5748 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5749 case ST.SELECT_WINDOW_END:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5750 doPageEnd();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5751 doSelection(ST.COLUMN_NEXT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5752 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5753 // Modification
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5754 case ST.CUT:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5755 cut();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5756 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5757 case ST.COPY:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5758 copy();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5759 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5760 case ST.PASTE:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5761 paste();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5762 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5763 case ST.DELETE_PREVIOUS:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5764 doBackspace();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5765 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5766 case ST.DELETE_NEXT:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5767 doDelete();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5768 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5769 case ST.DELETE_WORD_PREVIOUS:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5770 doDeleteWordPrevious();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5771 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5772 case ST.DELETE_WORD_NEXT:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5773 doDeleteWordNext();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5774 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5775 // Miscellaneous
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5776 case ST.TOGGLE_OVERWRITE:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5777 overwrite = !overwrite; // toggle insert/overwrite mode
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5778 break;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5779 default:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5780 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5781 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5782 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5783 * Temporary until DWT provides this
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5784 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5785 bool isBidi() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5786 return IS_GTK \|\| BidiUtil.isBidiPlatform() \|\| isMirrored_;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5787 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5788 bool isBidiCaret() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5789 return BidiUtil.isBidiPlatform();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5790 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5791 bool isFixedLineHeight() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5792 return fixedLineHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5793 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5794 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5795 * Returns whether the given offset is inside a multi byte line delimiter.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5796 * Example:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5797 * "Line1\r\n" isLineDelimiter(5) is false but isLineDelimiter(6) is true
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5798 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5799 * @return true if the given offset is inside a multi byte line delimiter.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5800 * false if the given offset is before or after a line delimiter.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5801 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5802 bool isLineDelimiter(int offset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5803 int line = content.getLineAtOffset(offset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5804 int lineOffset = content.getOffsetAtLine(line);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5805 int offsetInLine = offset - lineOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5806 // offsetInLine will be greater than line length if the line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5807 // delimiter is longer than one character and the offset is set
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5808 // in between parts of the line delimiter.
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5809 return offsetInLine > content.getLine(line).length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5810 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5811 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5812 * Returns whether the widget is mirrored (right oriented/right to left
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5813 * writing order).
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5814 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5815 * @return isMirrored true=the widget is right oriented, false=the widget
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5816 * is left oriented
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5817 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5818 bool isMirrored() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5819 return isMirrored_;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5820 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5821 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5822 * Returns whether the widget can have only one line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5823 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5824 * @return true if widget can have only one line, false if widget can have
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5825 * multiple lines
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5826 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5827 bool isSingleLine() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5828 return (getStyle() & DWT.SINGLE) !is 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5829 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5830 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5831 * Sends the specified verify event, replace/insert text as defined by
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5832 * the event and send a modify event.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5833 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5834 * @param event the text change event.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5835 * <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5836 * <li>event.start - the replace start offset</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5837 * <li>event.end - the replace end offset</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5838 * <li>event.text - the new text</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5839 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5840 * @param updateCaret whether or not he caret should be set behind
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5841 * the new text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5842 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5843 void modifyContent(Event event, bool updateCaret) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5844 event.doit = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5845 notifyListeners(DWT.Verify, event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5846 if (event.doit) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5847 StyledTextEvent styledTextEvent = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5848 int replacedLength = event.end - event.start;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5849 if (isListening(ExtendedModify)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5850 styledTextEvent = new StyledTextEvent(content);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5851 styledTextEvent.start = event.start;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5852 styledTextEvent.end = event.start + event.text.length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5853 styledTextEvent.text = content.getTextRange(event.start, replacedLength);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5854 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5855 if (updateCaret) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5856 //Fix advancing flag for delete/backspace key on direction boundary
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5857 if (event.text.length is 0) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5858 int lineIndex = content.getLineAtOffset(event.start);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5859 int lineOffset = content.getOffsetAtLine(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5860 TextLayout layout = renderer.getTextLayout(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5861 int levelStart = layout.getLevel(event.start - lineOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5862 int lineIndexEnd = content.getLineAtOffset(event.end);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5863 if (lineIndex !is lineIndexEnd) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5864 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5865 lineOffset = content.getOffsetAtLine(lineIndexEnd);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5866 layout = renderer.getTextLayout(lineIndexEnd);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5867 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5868 int levelEnd = layout.getLevel(event.end - lineOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5869 renderer.disposeTextLayout(layout);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5870 if (levelStart !is levelEnd) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5871 caretAlignment = PREVIOUS_OFFSET_TRAILING;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5872 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5873 caretAlignment = OFFSET_LEADING;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5874 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5875 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5876 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5877 content.replaceTextRange(event.start, replacedLength, event.text);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5878 // set the caret position prior to sending the modify event.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5879 // fixes 1GBB8NJ
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5880 if (updateCaret) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5881 // always update the caret location. fixes 1G8FODP
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5882 setSelection(event.start + event.text.length, 0, true);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5883 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5884 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5885 sendModifyEvent(event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5886 if (isListening(ExtendedModify)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5887 notifyListeners(ExtendedModify, styledTextEvent);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5888 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5889 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5890 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5891 void paintObject(GC gc, int x, int y, int ascent, int descent, StyleRange style, Bullet bullet, int bulletIndex) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5892 if (isListening(PaintObject)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5893 StyledTextEvent event = new StyledTextEvent (content) ;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5894 event.gc = gc;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5895 event.x = x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5896 event.y = y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5897 event.ascent = ascent;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5898 event.descent = descent;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5899 event.style = style;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5900 event.bullet = bullet;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5901 event.bulletIndex = bulletIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5902 notifyListeners(PaintObject, event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5903 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5904 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5905 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5906 * Replaces the selection with the text on the <code>DND.CLIPBOARD</code>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5907 * clipboard or, if there is no selection, inserts the text at the current
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5908 * caret offset. If the widget has the DWT.SINGLE style and the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5909 * clipboard text contains more than one line, only the first line without
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5910 * line delimiters is inserted in the widget.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5911 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5912 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5913 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5914 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5915 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5916 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5917 public void paste(){
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5918 checkWidget();
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	5919 String text = (cast(ArrayWrapperString) getClipboardContent(DND.CLIPBOARD)).array;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	5920 if (text !is null && text.length > 0) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5921 Event event = new Event();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5922 event.start = selection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5923 event.end = selection.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5924 event.text = getModelDelimitedText(text);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5925 sendKeyEvent(event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5926 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5927 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5928 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5929 * Prints the widget's text to the default printer.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5930 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5931 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5932 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5933 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5934 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5935 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5936 public void print() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5937 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5938 Printer printer = new Printer();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5939 StyledTextPrintOptions options = new StyledTextPrintOptions();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5940 options.printTextForeground = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5941 options.printTextBackground = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5942 options.printTextFontStyle = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5943 options.printLineBackground = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5944 (new Printing(this, printer, options)).run();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5945 printer.dispose();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5946 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5947 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5948 * Returns a runnable that will print the widget's text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5949 * to the specified printer.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5950 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5951 * The runnable may be run in a non-UI thread.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5952 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5953 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5954 * @param printer the printer to print to
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5955 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5956 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5957 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5958 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5959 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5960 * <li>ERROR_NULL_ARGUMENT when printer is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5961 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5962 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5963 public Runnable print(Printer printer) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5964 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5965 if (printer is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5966 DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5967 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5968 StyledTextPrintOptions options = new StyledTextPrintOptions();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5969 options.printTextForeground = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5970 options.printTextBackground = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5971 options.printTextFontStyle = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5972 options.printLineBackground = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5973 return print(printer, options);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5974 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5975 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5976 * Returns a runnable that will print the widget's text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5977 * to the specified printer.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5978 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5979 * The runnable may be run in a non-UI thread.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5980 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5981 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5982 * @param printer the printer to print to
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5983 * @param options print options to use during printing
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5984 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5985 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5986 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5987 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5988 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5989 * <li>ERROR_NULL_ARGUMENT when printer or options is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5990 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5991 * @since 2.1
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5992 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5993 public Runnable print(Printer printer, StyledTextPrintOptions options) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5994 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5995 if (printer is null \|\| options is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5996 DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5997 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5998 return new Printing(this, printer, options);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	5999 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6000 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6001 * Causes the entire bounds of the receiver to be marked
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6002 * as needing to be redrawn. The next time a paint request
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6003 * is processed, the control will be completely painted.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6004 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6005 * Recalculates the content width for all lines in the bounds.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6006 * When a <code>LineStyleListener</code> is used a redraw call
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6007 * is the only notification to the widget that styles have changed
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6008 * and that the content width may have changed.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6009 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6010 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6011 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6012 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6013 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6014 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6015 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6016 * @see Control#update()
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6017 */
150 f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	6018 public override void redraw() {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6019 super.redraw();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6020 int itemCount = getPartialBottomIndex() - topIndex + 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6021 renderer.reset(topIndex, itemCount);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6022 renderer.calculate(topIndex, itemCount);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6023 setScrollBars(false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6024 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6025 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6026 * Causes the rectangular area of the receiver specified by
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6027 * the arguments to be marked as needing to be redrawn.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6028 * The next time a paint request is processed, that area of
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6029 * the receiver will be painted. If the <code>all</code> flag
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6030 * is <code>true</code>, any children of the receiver which
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6031 * intersect with the specified area will also paint their
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6032 * intersecting areas. If the <code>all</code> flag is
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6033 * <code>false</code>, the children will not be painted.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6034 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6035 * Marks the content width of all lines in the specified rectangle
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6036 * as unknown. Recalculates the content width of all visible lines.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6037 * When a <code>LineStyleListener</code> is used a redraw call
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6038 * is the only notification to the widget that styles have changed
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6039 * and that the content width may have changed.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6040 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6041 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6042 * @param x the x coordinate of the area to draw
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6043 * @param y the y coordinate of the area to draw
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6044 * @param width the width of the area to draw
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6045 * @param height the height of the area to draw
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6046 * @param all <code>true</code> if children should redraw, and <code>false</code> otherwise
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6047 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6048 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6049 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6050 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6051 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6052 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6053 * @see Control#update()
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6054 */
150 f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	6055 public override void redraw(int x, int y, int width, int height, bool all) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6056 super.redraw(x, y, width, height, all);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6057 if (height > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6058 int firstLine = getLineIndex(y);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6059 int lastLine = getLineIndex(y + height);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6060 resetCache(firstLine, lastLine - firstLine + 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6061 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6062 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6063 void redrawLines(int startLine, int lineCount) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6064 // do nothing if redraw range is completely invisible
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6065 int partialBottomIndex = getPartialBottomIndex();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6066 if (startLine > partialBottomIndex \|\| startLine + lineCount - 1 < topIndex) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6067 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6068 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6069 // only redraw visible lines
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6070 if (startLine < topIndex) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6071 lineCount -= topIndex - startLine;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6072 startLine = topIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6073 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6074 if (startLine + lineCount - 1 > partialBottomIndex) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6075 lineCount = partialBottomIndex - startLine + 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6076 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6077 startLine -= topIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6078 int redrawTop = getLinePixel(startLine);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6079 int redrawBottom = getLinePixel(startLine + lineCount);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6080 int redrawWidth = clientAreaWidth - leftMargin - rightMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6081 super.redraw(leftMargin, redrawTop, redrawWidth, redrawBottom - redrawTop, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6082 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6083 void redrawLinesBullet (int[] redrawLines) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6084 if (redrawLines is null) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6085 int topIndex = getPartialTopIndex();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6086 int bottomIndex = getPartialBottomIndex();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6087 for (int i = 0; i < redrawLines.length; i++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6088 int lineIndex = redrawLines[i];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6089 if (!(topIndex <= lineIndex && lineIndex <= bottomIndex)) continue;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6090 int width = -1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6091 Bullet bullet = renderer.getLineBullet(lineIndex, null);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6092 if (bullet !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6093 StyleRange style = bullet.style;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6094 GlyphMetrics metrics = style.metrics;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6095 width = metrics.width;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6096 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6097 if (width is -1) width = getClientArea().width;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6098 int height = renderer.getLineHeight(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6099 int y = getLinePixel(lineIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6100 super.redraw(0, y, width, height, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6101 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6102 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6103 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6104 * Redraws the specified text range.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6105 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6106 * @param start offset of the first character to redraw
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6107 * @param length number of characters to redraw
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6108 * @param clearBackground true if the background should be cleared as
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6109 * part of the redraw operation. If true, the entire redraw range will
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6110 * be cleared before anything is redrawn. If the redraw range includes
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6111 * the last character of a line (i.e., the entire line is redrawn) the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6112 * line is cleared all the way to the right border of the widget.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6113 * The redraw operation will be faster and smoother if clearBackground
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6114 * is set to false. Whether or not the flag can be set to false depends
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6115 * on the type of change that has taken place. If font styles or
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6116 * background colors for the redraw range have changed, clearBackground
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6117 * should be set to true. If only foreground colors have changed for
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6118 * the redraw range, clearBackground can be set to false.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6119 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6120 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6121 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6122 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6123 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6124 * <li>ERROR_INVALID_RANGE when start and/or end are outside the widget content</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6125 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6126 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6127 public void redrawRange(int start, int length, bool clearBackground) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6128 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6129 int end = start + length;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6130 int contentLength = content.getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6131 if (start > end \|\| start < 0 \|\| end > contentLength) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6132 DWT.error(DWT.ERROR_INVALID_RANGE);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6133 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6134 int firstLine = content.getLineAtOffset(start);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6135 int lastLine = content.getLineAtOffset(end);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6136 resetCache(firstLine, lastLine - firstLine + 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6137 internalRedrawRange(start, length);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6138 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6139 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6140 * Removes the specified bidirectional segment listener.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6141 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6142 * @param listener the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6143 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6144 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6145 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6146 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6147 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6148 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6149 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6150 * @since 2.0
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6151 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6152 public void removeBidiSegmentListener(BidiSegmentListener listener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6153 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6154 if (listener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6155 removeListener(LineGetSegments, listener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6156 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6157 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6158 * Removes the specified extended modify listener.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6159 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6160 * @param extendedModifyListener the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6161 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6162 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6163 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6164 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6165 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6166 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6167 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6168 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6169 public void removeExtendedModifyListener(ExtendedModifyListener extendedModifyListener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6170 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6171 if (extendedModifyListener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6172 removeListener(ExtendedModify, extendedModifyListener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6173 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6174 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6175 * Removes the specified line background listener.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6176 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6177 * @param listener the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6178 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6179 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6180 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6181 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6182 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6183 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6184 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6185 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6186 public void removeLineBackgroundListener(LineBackgroundListener listener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6187 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6188 if (listener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6189 removeListener(LineGetBackground, listener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6190 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6191 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6192 * Removes the specified line style listener.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6193 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6194 * @param listener the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6195 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6196 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6197 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6198 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6199 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6200 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6201 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6202 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6203 public void removeLineStyleListener(LineStyleListener listener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6204 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6205 if (listener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6206 removeListener(LineGetStyle, listener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6207 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6208 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6209 * Removes the specified modify listener.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6210 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6211 * @param modifyListener the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6212 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6213 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6214 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6215 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6216 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6217 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6218 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6219 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6220 public void removeModifyListener(ModifyListener modifyListener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6221 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6222 if (modifyListener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6223 removeListener(DWT.Modify, modifyListener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6224 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6225 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6226 * Removes the specified listener.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6227 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6228 * @param listener the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6229 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6230 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6231 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6232 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6233 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6234 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6235 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6236 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6237 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6238 public void removePaintObjectListener(PaintObjectListener listener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6239 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6240 if (listener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6241 removeListener(PaintObject, listener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6242 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6243 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6244 * Removes the listener from the collection of listeners who will
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6245 * be notified when the user changes the receiver's selection.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6246 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6247 * @param listener the listener which should no longer be notified
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6248 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6249 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6250 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6251 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6252 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6253 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6254 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6255 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6256 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6257 * @see SelectionListener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6258 * @see #addSelectionListener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6259 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6260 public void removeSelectionListener(SelectionListener listener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6261 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6262 if (listener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6263 removeListener(DWT.Selection, listener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6264 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6265 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6266 * Removes the specified verify listener.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6267 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6268 * @param verifyListener the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6269 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6270 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6271 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6272 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6273 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6274 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6275 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6276 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6277 public void removeVerifyListener(VerifyListener verifyListener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6278 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6279 if (verifyListener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6280 removeListener(DWT.Verify, verifyListener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6281 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6282 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6283 * Removes the specified key verify listener.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6284 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6285 * @param listener the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6286 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6287 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6288 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6289 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6290 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6291 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6292 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6293 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6294 public void removeVerifyKeyListener(VerifyKeyListener listener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6295 if (listener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6296 removeListener(VerifyKey, listener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6297 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6298 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6299 * Removes the specified word movement listener.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6300 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6301 * @param listener the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6302 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6303 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6304 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6305 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6306 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6307 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6308 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6309 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6310 * @see MovementEvent
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6311 * @see MovementListener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6312 * @see #addWordMovementListener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6313 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6314 * @since 3.3
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6315 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6316
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6317 public void removeWordMovementListener(MovementListener listener) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6318 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6319 if (listener is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6320 removeListener(WordNext, listener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6321 removeListener(WordPrevious, listener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6322 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6323 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6324 * Replaces the styles in the given range with new styles. This method
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6325 * effectively deletes the styles in the given range and then adds the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6326 * the new styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6327 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6328 * Note: Because a StyleRange includes the start and length, the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6329 * same instance cannot occur multiple times in the array of styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6330 * If the same style attributes, such as font and color, occur in
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6331 * multiple StyleRanges, <code>setStyleRanges(int, int, int[], StyleRange[])</code>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6332 * can be used to share styles and reduce memory usage.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6333 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6334 * Should not be called if a LineStyleListener has been set since the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6335 * listener maintains the styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6336 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6337 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6338 * @param start offset of first character where styles will be deleted
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6339 * @param length length of the range to delete styles in
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6340 * @param ranges StyleRange objects containing the new style information.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6341 * The ranges should not overlap and should be within the specified start
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6342 * and length. The style rendering is undefined if the ranges do overlap
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6343 * or are ill-defined. Must not be null.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6344 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6345 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6346 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6347 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6348 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6349 * <li>ERROR_INVALID_RANGE when either start or end is outside the valid range (0 <= offset <= getCharCount())</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6350 * <li>ERROR_NULL_ARGUMENT when ranges is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6351 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6352 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6353 * @since 2.0
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6354 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6355 * @see #setStyleRanges(int, int, int[], StyleRange[])
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6356 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6357 public void replaceStyleRanges(int start, int length, StyleRange[] ranges) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6358 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6359 if (isListening(LineGetStyle)) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6360 if (ranges is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6361 setStyleRanges(start, length, null, ranges, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6362 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6363 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6364 * Replaces the given text range with new text.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6365 * If the widget has the DWT.SINGLE style and "text" contains more than
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6366 * one line, only the first line is rendered but the text is stored
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6367 * unchanged. A subsequent call to getText will return the same text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6368 * that was set. Note that only a single line of text should be set when
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6369 * the DWT.SINGLE style is used.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6370 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6371 * <b>NOTE:</b> During the replace operation the current selection is
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6372 * changed as follows:
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6373 * <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6374 * <li>selection before replaced text: selection unchanged
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6375 * <li>selection after replaced text: adjust the selection so that same text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6376 * remains selected
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6377 * <li>selection intersects replaced text: selection is cleared and caret
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6378 * is placed after inserted text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6379 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6380 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6381 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6382 * @param start offset of first character to replace
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6383 * @param length number of characters to replace. Use 0 to insert text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6384 * @param text new text. May be empty to delete text.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6385 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6386 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6387 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6388 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6389 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6390 * <li>ERROR_INVALID_RANGE when either start or end is outside the valid range (0 <= offset <= getCharCount())</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6391 * <li>ERROR_INVALID_ARGUMENT when either start or end is inside a multi byte line delimiter.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6392 * Splitting a line delimiter for example by inserting text in between the CR and LF and deleting part of a line delimiter is not supported</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6393 * <li>ERROR_NULL_ARGUMENT when string is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6394 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6395 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	6396 public void replaceTextRange(int start, int length, String text) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6397 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6398 if (text is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6399 DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6400 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6401 int contentLength = getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6402 int end = start + length;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6403 if (start > end \|\| start < 0 \|\| end > contentLength) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6404 DWT.error(DWT.ERROR_INVALID_RANGE);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6405 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6406 Event event = new Event();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6407 event.start = start;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6408 event.end = end;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6409 event.text = text;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6410 modifyContent(event, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6411 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6412 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6413 * Resets the caret position, selection and scroll offsets. Recalculate
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6414 * the content width and scroll bars. Redraw the widget.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6415 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6416 void reset() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6417 ScrollBar verticalBar = getVerticalBar();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6418 ScrollBar horizontalBar = getHorizontalBar();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6419 caretOffset = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6420 topIndex = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6421 topIndexY = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6422 verticalScrollOffset = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6423 horizontalScrollOffset = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6424 resetSelection();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6425 renderer.setContent(content);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6426 if (verticalBar !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6427 verticalBar.setSelection(0);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6428 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6429 if (horizontalBar !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6430 horizontalBar.setSelection(0);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6431 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6432 resetCache(0, 0);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6433 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6434 super.redraw();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6435 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6436 void resetCache(int firstLine, int count) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6437 int maxLineIndex = renderer.maxWidthLineIndex;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6438 renderer.reset(firstLine, count);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6439 renderer.calculateClientArea();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6440 if (0 <= maxLineIndex && maxLineIndex < content.getLineCount()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6441 renderer.calculate(maxLineIndex, 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6442 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6443 setScrollBars(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6444 if (!isFixedLineHeight()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6445 if (topIndex > firstLine) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6446 verticalScrollOffset = -1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6447 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6448 renderer.calculateIdle();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6449 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6450 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6451 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6452 * Resets the selection.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6453 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6454 void resetSelection() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6455 selection.x = selection.y = caretOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6456 selectionAnchor = -1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6457 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6458
150 f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	6459 public override void scroll(int destX, int destY, int x, int y, int width, int height, bool all) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6460 super.scroll(destX, destY, x, y, width, height, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6461 if (all) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6462 int deltaX = destX - x, deltaY = destY - y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6463 Control[] children = getChildren();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6464 for (int i=0; i<children.length; i++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6465 Control child = children[i];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6466 Rectangle rect = child.getBounds();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6467 child.setLocation(rect.x + deltaX, rect.y + deltaY);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6468 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6469 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6470 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6471
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6472 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6473 * Scrolls the widget horizontally.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6474 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6475 * @param pixels number of pixels to scroll, > 0 = scroll left,
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6476 * < 0 scroll right
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6477 * @param adjustScrollBar
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6478 * true= the scroll thumb will be moved to reflect the new scroll offset.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6479 * false = the scroll thumb will not be moved
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6480 * @return
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6481 * true=the widget was scrolled
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6482 * false=the widget was not scrolled, the given offset is not valid.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6483 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6484 bool scrollHorizontal(int pixels, bool adjustScrollBar) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6485 if (pixels is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6486 return false;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6487 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6488 ScrollBar horizontalBar = getHorizontalBar();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6489 if (horizontalBar !is null && adjustScrollBar) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6490 horizontalBar.setSelection(horizontalScrollOffset + pixels);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6491 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6492 int scrollHeight = clientAreaHeight - topMargin - bottomMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6493 if (pixels > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6494 int sourceX = leftMargin + pixels;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6495 int scrollWidth = clientAreaWidth - sourceX - rightMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6496 if (scrollWidth > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6497 scroll(leftMargin, topMargin, sourceX, topMargin, scrollWidth, scrollHeight, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6498 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6499 if (sourceX > scrollWidth) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6500 super.redraw(leftMargin + scrollWidth, topMargin, pixels - scrollWidth, scrollHeight, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6501 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6502 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6503 int destinationX = leftMargin - pixels;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6504 int scrollWidth = clientAreaWidth - destinationX - rightMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6505 if (scrollWidth > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6506 scroll(destinationX, topMargin, leftMargin, topMargin, scrollWidth, scrollHeight, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6507 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6508 if (destinationX > scrollWidth) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6509 super.redraw(leftMargin + scrollWidth, topMargin, -pixels - scrollWidth, scrollHeight, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6510 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6511 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6512 horizontalScrollOffset += pixels;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6513 int oldColumnX = columnX;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6514 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6515 columnX = oldColumnX;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6516 return true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6517 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6518 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6519 * Scrolls the widget vertically.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6520 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6521 * @param pixel the new vertical scroll offset
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6522 * @param adjustScrollBar
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6523 * true= the scroll thumb will be moved to reflect the new scroll offset.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6524 * false = the scroll thumb will not be moved
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6525 * @return
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6526 * true=the widget was scrolled
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6527 * false=the widget was not scrolled
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6528 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6529 bool scrollVertical(int pixels, bool adjustScrollBar) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6530 if (pixels is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6531 return false;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6532 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6533 if (verticalScrollOffset !is -1) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6534 ScrollBar verticalBar = getVerticalBar();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6535 if (verticalBar !is null && adjustScrollBar) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6536 verticalBar.setSelection(verticalScrollOffset + pixels);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6537 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6538 int scrollWidth = clientAreaWidth - leftMargin - rightMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6539 if (pixels > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6540 int sourceY = topMargin + pixels;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6541 int scrollHeight = clientAreaHeight - sourceY - bottomMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6542 if (scrollHeight > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6543 scroll(leftMargin, topMargin, leftMargin, sourceY, scrollWidth, scrollHeight, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6544 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6545 if (sourceY > scrollHeight) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6546 int redrawY = Math.max(0, topMargin + scrollHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6547 int redrawHeight = Math.min(clientAreaHeight, pixels - scrollHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6548 super.redraw(leftMargin, redrawY, scrollWidth, redrawHeight, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6549 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6550 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6551 int destinationY = topMargin - pixels;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6552 int scrollHeight = clientAreaHeight - destinationY - bottomMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6553 if (scrollHeight > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6554 scroll(leftMargin, destinationY, leftMargin, topMargin, scrollWidth, scrollHeight, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6555 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6556 if (destinationY > scrollHeight) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6557 int redrawY = Math.max(0, topMargin + scrollHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6558 int redrawHeight = Math.min(clientAreaHeight, -pixels - scrollHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6559 super.redraw(leftMargin, redrawY, scrollWidth, redrawHeight, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6560 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6561 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6562 verticalScrollOffset += pixels;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6563 calculateTopIndex(pixels);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6564 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6565 calculateTopIndex(pixels);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6566 super.redraw();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6567 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6568 int oldColumnX = columnX;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6569 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6570 columnX = oldColumnX;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6571 return true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6572 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6573 void scrollText(int srcY, int destY) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6574 if (srcY is destY) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6575 int deltaY = destY - srcY;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6576 int scrollWidth = clientAreaWidth - leftMargin - rightMargin, scrollHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6577 if (deltaY > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6578 scrollHeight = clientAreaHeight - srcY - bottomMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6579 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6580 scrollHeight = clientAreaHeight - destY - bottomMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6581 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6582 scroll(leftMargin, destY, leftMargin, srcY, scrollWidth, scrollHeight, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6583 if ((0 < srcY + scrollHeight) && (topMargin > srcY)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6584 super.redraw(leftMargin, deltaY, scrollWidth, topMargin, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6585 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6586 if ((0 < destY + scrollHeight) && (topMargin > destY)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6587 super.redraw(leftMargin, 0, scrollWidth, topMargin, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6588 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6589 if ((clientAreaHeight - bottomMargin < srcY + scrollHeight) && (clientAreaHeight > srcY)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6590 super.redraw(leftMargin, clientAreaHeight - bottomMargin + deltaY, scrollWidth, bottomMargin, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6591 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6592 if ((clientAreaHeight - bottomMargin < destY + scrollHeight) && (clientAreaHeight > destY)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6593 super.redraw(leftMargin, clientAreaHeight - bottomMargin, scrollWidth, bottomMargin, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6594 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6595 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6596 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6597 * Selects all the text.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6598 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6599 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6600 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6601 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6602 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6603 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6604 public void selectAll() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6605 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6606 setSelection(0, Math.max(getCharCount(),0));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6607 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6608 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6609 * Replaces/inserts text as defined by the event.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6610 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6611 * @param event the text change event.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6612 * <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6613 * <li>event.start - the replace start offset</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6614 * <li>event.end - the replace end offset</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6615 * <li>event.text - the new text</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6616 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6617 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6618 void sendKeyEvent(Event event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6619 if (editable) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6620 modifyContent(event, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6621 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6622 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6623 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6624 * Returns a StyledTextEvent that can be used to request data such
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6625 * as styles and background color for a line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6626 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6627 * The specified line may be a visual (wrapped) line if in word
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6628 * wrap mode. The returned object will always be for a logical
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6629 * (unwrapped) line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6630 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6631 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6632 * @param lineOffset offset of the line. This may be the offset of
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6633 * a visual line if the widget is in word wrap mode.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6634 * @param line line text. This may be the text of a visual line if
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6635 * the widget is in word wrap mode.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6636 * @return StyledTextEvent that can be used to request line data
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6637 * for the given line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6638 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	6639 StyledTextEvent sendLineEvent(int eventType, int lineOffset, String line) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6640 StyledTextEvent event = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6641 if (isListening(eventType)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6642 event = new StyledTextEvent(content);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6643 event.detail = lineOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6644 event.text = line;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6645 event.alignment = alignment;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6646 event.indent = indent;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6647 event.justify = justify;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6648 notifyListeners(eventType, event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6649 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6650 return event;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6651 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6652 void sendModifyEvent(Event event) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6653 Accessible accessible = getAccessible();
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	6654 if (event.text.length is 0) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6655 accessible.textChanged(ACC.TEXT_DELETE, event.start, event.end - event.start);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6656 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6657 if (event.start is event.end) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	6658 accessible.textChanged(ACC.TEXT_INSERT, event.start, event.text.length);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6659 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6660 accessible.textChanged(ACC.TEXT_DELETE, event.start, event.end - event.start);
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	6661 accessible.textChanged(ACC.TEXT_INSERT, event.start, event.text.length);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6662 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6663 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6664 notifyListeners(DWT.Modify, event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6665 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6666 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6667 * Sends the specified selection event.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6668 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6669 void sendSelectionEvent() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6670 getAccessible().textSelectionChanged();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6671 Event event = new Event();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6672 event.x = selection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6673 event.y = selection.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6674 notifyListeners(DWT.Selection, event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6675 }
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	6676 int sendWordBoundaryEvent(int eventType, int movement, int offset, int newOffset, String lineText, int lineOffset) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6677 if (isListening(eventType)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6678 StyledTextEvent event = new StyledTextEvent(content);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6679 event.detail = lineOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6680 event.text = lineText;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6681 event.count = movement;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6682 event.start = offset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6683 event.end = newOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6684 notifyListeners(eventType, event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6685 offset = event.end;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6686 if (offset !is newOffset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6687 int length = getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6688 if (offset < 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6689 offset = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6690 } else if (offset > length) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6691 offset = length;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6692 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6693 if (isLineDelimiter(offset)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6694 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6695 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6696 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6697 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6698 return offset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6699 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6700 return newOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6701 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6702 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6703 * Sets the alignment of the widget. The argument should be one of <code>DWT.LEFT</code>,
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6704 * <code>DWT.CENTER</code> or <code>DWT.RIGHT</code>. The alignment applies for all lines.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6705 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6706 * @param alignment the new alignment
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6707 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6708 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6709 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6710 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6711 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6712 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6713 * @see #setLineAlignment(int, int, int)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6714 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6715 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6716 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6717 public void setAlignment(int alignment) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6718 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6719 alignment &= (DWT.LEFT \| DWT.RIGHT \| DWT.CENTER);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6720 if (alignment is 0 \|\| this.alignment is alignment) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6721 this.alignment = alignment;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6722 resetCache(0, content.getLineCount());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6723 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6724 super.redraw();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6725 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6726 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6727 * @see Control#setBackground(Color)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6728 */
150 f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	6729 public override void setBackground(Color color) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6730 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6731 background = color;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6732 super.redraw();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6733 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6734 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6735 * Sets the receiver's caret. Set the caret's height and location.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6736 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6737 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6738 * @param caret the new caret for the receiver
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6739 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6740 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6741 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6742 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6743 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6744 */
150 f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	6745 public override void setCaret(Caret caret) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6746 checkWidget ();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6747 super.setCaret(caret);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6748 caretDirection = DWT.NULL;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6749 if (caret !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6750 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6751 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6752 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6753 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6754 * Sets the BIDI coloring mode. When true the BIDI text display
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6755 * algorithm is applied to segments of text that are the same
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6756 * color.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6757 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6758 * @param mode the new coloring mode
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6759 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6760 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6761 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6762 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6763 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6764 * @deprecated use BidiSegmentListener instead.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6765 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6766 public void setBidiColoring(bool mode) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6767 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6768 bidiColoring = mode;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6769 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6770 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6771 * Moves the Caret to the current caret offset.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6772 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6773 void setCaretLocation() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6774 Point newCaretPos = getPointAtOffset(caretOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6775 setCaretLocation(newCaretPos, getCaretDirection());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6776 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6777 void setCaretLocation(Point location, int direction) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6778 Caret caret = getCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6779 if (caret !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6780 bool isDefaultCaret = caret is defaultCaret;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6781 int lineHeight = renderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6782 int caretHeight = lineHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6783 if (!isFixedLineHeight() && isDefaultCaret) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6784 caretHeight = getBoundsAtOffset(caretOffset).height;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6785 if (caretHeight !is lineHeight) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6786 direction = DWT.DEFAULT;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6787 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6788 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6789 int imageDirection = direction;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6790 if (isMirrored()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6791 if (imageDirection is DWT.LEFT) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6792 imageDirection = DWT.RIGHT;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6793 } else if (imageDirection is DWT.RIGHT) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6794 imageDirection = DWT.LEFT;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6795 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6796 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6797 if (isDefaultCaret && imageDirection is DWT.RIGHT) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6798 location.x -= (caret.getSize().x - 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6799 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6800 if (isDefaultCaret) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6801 caret.setBounds(location.x, location.y, 0, caretHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6802 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6803 caret.setLocation(location);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6804 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6805 getAccessible().textCaretMoved(getCaretOffset());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6806 if (direction !is caretDirection) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6807 caretDirection = direction;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6808 if (isDefaultCaret) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6809 if (imageDirection is DWT.DEFAULT) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6810 defaultCaret.setImage(null);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6811 } else if (imageDirection is DWT.LEFT) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6812 defaultCaret.setImage(leftCaretBitmap);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6813 } else if (imageDirection is DWT.RIGHT) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6814 defaultCaret.setImage(rightCaretBitmap);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6815 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6816 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6817 if (caretDirection is DWT.LEFT) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6818 BidiUtil.setKeyboardLanguage(BidiUtil.KEYBOARD_NON_BIDI);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6819 } else if (caretDirection is DWT.RIGHT) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6820 BidiUtil.setKeyboardLanguage(BidiUtil.KEYBOARD_BIDI);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6821 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6822 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6823 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6824 columnX = location.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6825 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6826 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6827 * Sets the caret offset.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6828 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6829 * @param offset caret offset, relative to the first character in the text.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6830 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6831 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6832 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6833 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6834 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6835 * <li>ERROR_INVALID_ARGUMENT when either the start or the end of the selection range is inside a
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6836 * multi byte line delimiter (and thus neither clearly in front of or after the line delimiter)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6837 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6838 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6839 public void setCaretOffset(int offset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6840 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6841 int length = getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6842 if (length > 0 && offset !is caretOffset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6843 if (offset < 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6844 caretOffset = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6845 } else if (offset > length) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6846 caretOffset = length;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6847 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6848 if (isLineDelimiter(offset)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6849 // offset is inside a multi byte line delimiter. This is an
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6850 // illegal operation and an exception is thrown. Fixes 1GDKK3R
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6851 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6852 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6853 caretOffset = offset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6854 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6855 // clear the selection if the caret is moved.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6856 // don't notify listeners about the selection change.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6857 clearSelection(false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6858 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6859 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6860 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6861 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6862 * Copies the specified text range to the clipboard. The text will be placed
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6863 * in the clipboard in plain text format and RTF format.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6864 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6865 * @param start start index of the text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6866 * @param length length of text to place in clipboard
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6867 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6868 * @exception DWTError, see Clipboard.setContents
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6869 * @see dwt.dnd.Clipboard#setContents
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6870 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6871 void setClipboardContent(int start, int length, int clipboardType) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6872 if (clipboardType is DND.SELECTION_CLIPBOARD && !(IS_MOTIF \|\| IS_GTK)) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6873 TextTransfer plainTextTransfer = TextTransfer.getInstance();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6874 TextWriter plainTextWriter = new TextWriter(start, length);
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	6875 String plainText = getPlatformDelimitedText(plainTextWriter);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6876 Object[] data;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6877 Transfer[] types;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6878 if (clipboardType is DND.SELECTION_CLIPBOARD) {
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	6879 data = [ cast(Object) new ArrayWrapperString(plainText) ];
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6880 types = [plainTextTransfer];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6881 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6882 RTFTransfer rtfTransfer = RTFTransfer.getInstance();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6883 RTFWriter rtfWriter = new RTFWriter(start, length);
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	6884 String rtfText = getPlatformDelimitedText(rtfWriter);
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	6885 data = [ cast(Object) new ArrayWrapperString(rtfText), new ArrayWrapperString(plainText) ];
0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	6886 types = [ cast(Transfer)rtfTransfer, plainTextTransfer];
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6887 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6888 clipboard.setContents(data, types, clipboardType);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6889 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6890 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6891 * Sets the content implementation to use for text storage.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6892 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6893 * @param newContent StyledTextContent implementation to use for text storage.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6894 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6895 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6896 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6897 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6898 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6899 * <li>ERROR_NULL_ARGUMENT when listener is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6900 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6901 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6902 public void setContent(StyledTextContent newContent) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6903 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6904 if (newContent is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6905 DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6906 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6907 if (content !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6908 content.removeTextChangeListener(textChangeListener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6909 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6910 content = newContent;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6911 content.addTextChangeListener(textChangeListener);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6912 reset();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6913 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6914 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6915 * Sets the receiver's cursor to the cursor specified by the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6916 * argument. Overridden to handle the null case since the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6917 * StyledText widget uses an ibeam as its default cursor.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6918 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6919 * @see Control#setCursor(Cursor)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6920 */
150 f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	6921 public override void setCursor (Cursor cursor) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6922 if (cursor is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6923 Display display = getDisplay();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6924 super.setCursor(display.getSystemCursor(DWT.CURSOR_IBEAM));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6925 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6926 super.setCursor(cursor);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6927 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6928 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6929 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6930 * Sets whether the widget : double click mouse behavior.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6931 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6932 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6933 * @param enable if true double clicking a word selects the word, if false
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6934 * double clicks have the same effect as regular mouse clicks.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6935 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6936 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6937 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6938 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6939 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6940 public void setDoubleClickEnabled(bool enable) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6941 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6942 doubleClickEnabled = enable;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6943 }
150 f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	6944 public override void setDragDetect (bool dragDetect_) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6945 checkWidget ();
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	6946 this.dragDetect_ = dragDetect_;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6947 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6948 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6949 * Sets whether the widget content can be edited.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6950 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6951 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6952 * @param editable if true content can be edited, if false content can not be
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6953 * edited
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6954 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6955 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6956 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6957 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6958 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6959 public void setEditable(bool editable) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6960 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6961 this.editable = editable;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6962 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6963 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6964 * Sets a new font to render text with.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6965 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6966 * <b>NOTE:</b> Italic fonts are not supported unless they have no overhang
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6967 * and the same baseline as regular fonts.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6968 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6969 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6970 * @param font new font
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6971 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6972 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6973 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6974 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6975 */
150 f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	6976 public override void setFont(Font font) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6977 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6978 int oldLineHeight = renderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6979 super.setFont(font);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6980 renderer.setFont(getFont(), tabLength);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6981 // keep the same top line visible. fixes 5815
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6982 if (isFixedLineHeight()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6983 int lineHeight = renderer.getLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6984 if (lineHeight !is oldLineHeight) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6985 int vscroll = (getVerticalScrollOffset() * lineHeight / oldLineHeight) - getVerticalScrollOffset();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6986 scrollVertical(vscroll, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6987 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6988 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6989 resetCache(0, content.getLineCount());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6990 claimBottomFreeSpace();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6991 calculateScrollBars();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6992 if (isBidiCaret()) createCaretBitmaps();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6993 caretDirection = DWT.NULL;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6994 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6995 super.redraw();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6996 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6997 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6998 * @see dwt.widgets.Control#setForeground
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	6999 */
150 f2e04420fd6c reworked overrides and superclass aliases Frank Benoit <benoit@tionex.de> parents: 124 diff changeset	7000 public override void setForeground(Color color) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7001 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7002 foreground = color;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7003 super.setForeground(getForeground());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7004 super.redraw();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7005 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7006 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7007 * Sets the horizontal scroll offset relative to the start of the line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7008 * Do nothing if there is no text set.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7009 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7010 * <b>NOTE:</b> The horizontal index is reset to 0 when new text is set in the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7011 * widget.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7012 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7013 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7014 * @param offset horizontal scroll offset relative to the start
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7015 * of the line, measured in character increments starting at 0, if
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7016 * equal to 0 the content is not scrolled, if > 0 = the content is scrolled.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7017 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7018 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7019 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7020 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7021 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7022 public void setHorizontalIndex(int offset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7023 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7024 if (getCharCount() is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7025 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7026 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7027 if (offset < 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7028 offset = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7029 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7030 offset *= getHorizontalIncrement();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7031 // allow any value if client area width is unknown or 0.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7032 // offset will be checked in resize handler.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7033 // don't use isVisible since width is known even if widget
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7034 // is temporarily invisible
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7035 if (clientAreaWidth > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7036 int width = renderer.getWidth();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7037 // prevent scrolling if the content fits in the client area.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7038 // align end of longest line with right border of client area
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7039 // if offset is out of range.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7040 if (offset > width - clientAreaWidth) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7041 offset = Math.max(0, width - clientAreaWidth);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7042 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7043 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7044 scrollHorizontal(offset - horizontalScrollOffset, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7045 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7046 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7047 * Sets the horizontal pixel offset relative to the start of the line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7048 * Do nothing if there is no text set.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7049 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7050 * <b>NOTE:</b> The horizontal pixel offset is reset to 0 when new text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7051 * is set in the widget.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7052 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7053 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7054 * @param pixel horizontal pixel offset relative to the start
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7055 * of the line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7056 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7057 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7058 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7059 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7060 * @since 2.0
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7061 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7062 public void setHorizontalPixel(int pixel) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7063 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7064 if (getCharCount() is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7065 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7066 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7067 if (pixel < 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7068 pixel = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7069 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7070 // allow any value if client area width is unknown or 0.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7071 // offset will be checked in resize handler.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7072 // don't use isVisible since width is known even if widget
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7073 // is temporarily invisible
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7074 if (clientAreaWidth > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7075 int width = renderer.getWidth();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7076 // prevent scrolling if the content fits in the client area.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7077 // align end of longest line with right border of client area
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7078 // if offset is out of range.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7079 if (pixel > width - clientAreaWidth) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7080 pixel = Math.max(0, width - clientAreaWidth);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7081 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7082 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7083 scrollHorizontal(pixel - horizontalScrollOffset, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7084 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7085 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7086 * Sets the line indentation of the widget.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7087 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7088 * It is the amount of blank space, in pixels, at the beginning of each line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7089 * When a line wraps in several lines only the first one is indented.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7090 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7091 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7092 * @param indent the new indent
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7093 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7094 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7095 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7096 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7097 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7098 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7099 * @see #setLineIndent(int, int, int)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7100 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7101 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7102 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7103 public void setIndent(int indent) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7104 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7105 if (this.indent is indent \|\| indent < 0) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7106 this.indent = indent;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7107 resetCache(0, content.getLineCount());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7108 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7109 super.redraw();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7110 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7111 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7112 * Sets whether the widget should justify lines.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7113 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7114 * @param justify whether lines should be justified
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7115 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7116 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7117 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7118 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7119 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7120 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7121 * @see #setLineJustify(int, int, bool)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7122 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7123 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7124 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7125 public void setJustify(bool justify) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7126 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7127 if (this.justify is justify) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7128 this.justify = justify;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7129 resetCache(0, content.getLineCount());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7130 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7131 super.redraw();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7132 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7133 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7134 * Maps a key to an action.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7135 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7136 * One action can be associated with N keys. However, each key can only
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7137 * have one action (key:action is N:1 relation).
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7138 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7139 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7140 * @param key a key code defined in DWT.java or a character.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7141 * Optionally ORd with a state mask. Preferred state masks are one or more of
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7142 * DWT.MOD1, DWT.MOD2, DWT.MOD3, since these masks account for modifier platform
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7143 * differences. However, there may be cases where using the specific state masks
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7144 * (i.e., DWT.CTRL, DWT.SHIFT, DWT.ALT, DWT.COMMAND) makes sense.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7145 * @param action one of the predefined actions defined in ST.java.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7146 * Use DWT.NULL to remove a key binding.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7147 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7148 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7149 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7150 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7151 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7152 public void setKeyBinding(int key, int action) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7153 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7154 int modifierValue = key & DWT.MODIFIER_MASK;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7155 char keyChar = cast(char)(key & DWT.KEY_MASK);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7156 if (Compatibility.isLetter(keyChar)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7157 // make the keybinding case insensitive by adding it
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7158 // in its upper and lower case form
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	7159 char ch = CharacterToUpper(keyChar);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7160 int newKey = ch \| modifierValue;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7161 if (action is DWT.NULL) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7162 keyActionMap.remove(newKey);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7163 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7164 keyActionMap[newKey] = action;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7165 }
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	7166 ch = CharacterToLower(keyChar);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7167 newKey = ch \| modifierValue;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7168 if (action is DWT.NULL) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7169 keyActionMap.remove(newKey);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7170 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7171 keyActionMap[newKey] = action;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7172 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7173 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7174 if (action is DWT.NULL) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7175 keyActionMap.remove(key);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7176 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7177 keyActionMap[key]=action;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7178 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7179 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7180 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7181 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7182 * Sets the alignment of the specified lines. The argument should be one of <code>DWT.LEFT</code>,
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7183 * <code>DWT.CENTER</code> or <code>DWT.RIGHT</code>.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7184 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7185 * Should not be called if a LineStyleListener has been set since the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7186 * maintains the line attributes.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7187 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7188 * All line attributes are maintained relative to the line text, not the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7189 * line index that is specified in this method call.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7190 * During text changes, when entire lines are inserted or removed, the line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7191 * attributes that are associated with the lines after the change
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7192 * will "move" with their respective text. An entire line is defined as
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7193 * extending from the first character on a line to the last and including the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7194 * line delimiter.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7195 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7196 * When two lines are joined by deleting a line delimiter, the top line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7197 * attributes take precedence and the attributes of the bottom line are deleted.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7198 * For all other text changes line attributes will remain unchanged.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7199 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7200 * @param startLine first line the alignment is applied to, 0 based
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7201 * @param lineCount number of lines the alignment applies to.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7202 * @param alignment line alignment
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7203 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7204 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7205 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7206 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7207 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7208 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7209 * <li>ERROR_INVALID_ARGUMENT when the specified line range is invalid</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7210 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7211 * @see #setAlignment(int)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7212 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7213 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7214 public void setLineAlignment(int startLine, int lineCount, int alignment) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7215 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7216 if (isListening(LineGetStyle)) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7217 if (startLine < 0 \|\| startLine + lineCount > content.getLineCount()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7218 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7219 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7220
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7221 renderer.setLineAlignment(startLine, lineCount, alignment);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7222 resetCache(startLine, lineCount);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7223 redrawLines(startLine, lineCount);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7224 int caretLine = getCaretLine();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7225 if (startLine <= caretLine && caretLine < startLine + lineCount) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7226 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7227 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7228 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7229 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7230 * Sets the background color of the specified lines.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7231 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7232 * The background color is drawn for the width of the widget. All
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7233 * line background colors are discarded when setText is called.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7234 * The text background color if defined in a StyleRange overlays the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7235 * line background color.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7236 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7237 * Should not be called if a LineBackgroundListener has been set since the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7238 * listener maintains the line backgrounds.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7239 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7240 * All line attributes are maintained relative to the line text, not the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7241 * line index that is specified in this method call.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7242 * During text changes, when entire lines are inserted or removed, the line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7243 * attributes that are associated with the lines after the change
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7244 * will "move" with their respective text. An entire line is defined as
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7245 * extending from the first character on a line to the last and including the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7246 * line delimiter.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7247 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7248 * When two lines are joined by deleting a line delimiter, the top line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7249 * attributes take precedence and the attributes of the bottom line are deleted.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7250 * For all other text changes line attributes will remain unchanged.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7251 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7252 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7253 * @param startLine first line the color is applied to, 0 based
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7254 * @param lineCount number of lines the color applies to.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7255 * @param background line background color
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7256 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7257 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7258 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7259 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7260 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7261 * <li>ERROR_INVALID_ARGUMENT when the specified line range is invalid</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7262 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7263 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7264 public void setLineBackground(int startLine, int lineCount, Color background) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7265 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7266 if (isListening(LineGetBackground)) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7267 if (startLine < 0 \|\| startLine + lineCount > content.getLineCount()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7268 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7269 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7270 if (background !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7271 renderer.setLineBackground(startLine, lineCount, background);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7272 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7273 renderer.clearLineBackground(startLine, lineCount);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7274 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7275 redrawLines(startLine, lineCount);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7276 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7277 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7278 * Sets the bullet of the specified lines.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7279 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7280 * Should not be called if a LineStyleListener has been set since the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7281 * maintains the line attributes.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7282 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7283 * All line attributes are maintained relative to the line text, not the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7284 * line index that is specified in this method call.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7285 * During text changes, when entire lines are inserted or removed, the line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7286 * attributes that are associated with the lines after the change
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7287 * will "move" with their respective text. An entire line is defined as
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7288 * extending from the first character on a line to the last and including the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7289 * line delimiter.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7290 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7291 * When two lines are joined by deleting a line delimiter, the top line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7292 * attributes take precedence and the attributes of the bottom line are deleted.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7293 * For all other text changes line attributes will remain unchanged.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7294 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7295 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7296 * @param startLine first line the bullet is applied to, 0 based
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7297 * @param lineCount number of lines the bullet applies to.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7298 * @param bullet line bullet
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7299 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7300 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7301 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7302 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7303 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7304 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7305 * <li>ERROR_INVALID_ARGUMENT when the specified line range is invalid</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7306 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7307 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7308 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7309 public void setLineBullet(int startLine, int lineCount, Bullet bullet) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7310 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7311 if (isListening(LineGetStyle)) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7312 if (startLine < 0 \|\| startLine + lineCount > content.getLineCount()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7313 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7314 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7315
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7316 renderer.setLineBullet(startLine, lineCount, bullet);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7317 resetCache(startLine, lineCount);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7318 redrawLines(startLine, lineCount);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7319 int caretLine = getCaretLine();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7320 if (startLine <= caretLine && caretLine < startLine + lineCount) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7321 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7322 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7323 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7324 void setVariableLineHeight () {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7325 if (!fixedLineHeight) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7326 fixedLineHeight = false;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7327 renderer.calculateIdle();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7328 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7329 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7330 * Sets the indent of the specified lines.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7331 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7332 * Should not be called if a LineStyleListener has been set since the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7333 * maintains the line attributes.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7334 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7335 * All line attributes are maintained relative to the line text, not the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7336 * line index that is specified in this method call.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7337 * During text changes, when entire lines are inserted or removed, the line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7338 * attributes that are associated with the lines after the change
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7339 * will "move" with their respective text. An entire line is defined as
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7340 * extending from the first character on a line to the last and including the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7341 * line delimiter.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7342 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7343 * When two lines are joined by deleting a line delimiter, the top line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7344 * attributes take precedence and the attributes of the bottom line are deleted.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7345 * For all other text changes line attributes will remain unchanged.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7346 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7347 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7348 * @param startLine first line the indent is applied to, 0 based
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7349 * @param lineCount number of lines the indent applies to.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7350 * @param indent line indent
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7351 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7352 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7353 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7354 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7355 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7356 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7357 * <li>ERROR_INVALID_ARGUMENT when the specified line range is invalid</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7358 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7359 * @see #setIndent(int)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7360 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7361 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7362 public void setLineIndent(int startLine, int lineCount, int indent) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7363 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7364 if (isListening(LineGetStyle)) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7365 if (startLine < 0 \|\| startLine + lineCount > content.getLineCount()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7366 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7367 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7368
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7369 renderer.setLineIndent(startLine, lineCount, indent);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7370 resetCache(startLine, lineCount);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7371 redrawLines(startLine, lineCount);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7372 int caretLine = getCaretLine();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7373 if (startLine <= caretLine && caretLine < startLine + lineCount) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7374 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7375 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7376 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7377 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7378 * Sets the justify of the specified lines.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7379 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7380 * Should not be called if a LineStyleListener has been set since the listener
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7381 * maintains the line attributes.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7382 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7383 * All line attributes are maintained relative to the line text, not the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7384 * line index that is specified in this method call.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7385 * During text changes, when entire lines are inserted or removed, the line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7386 * attributes that are associated with the lines after the change
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7387 * will "move" with their respective text. An entire line is defined as
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7388 * extending from the first character on a line to the last and including the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7389 * line delimiter.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7390 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7391 * When two lines are joined by deleting a line delimiter, the top line
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7392 * attributes take precedence and the attributes of the bottom line are deleted.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7393 * For all other text changes line attributes will remain unchanged.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7394 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7395 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7396 * @param startLine first line the justify is applied to, 0 based
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7397 * @param lineCount number of lines the justify applies to.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7398 * @param justify true if lines should be justified
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7399 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7400 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7401 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7402 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7403 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7404 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7405 * <li>ERROR_INVALID_ARGUMENT when the specified line range is invalid</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7406 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7407 * @see #setJustify(bool)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7408 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7409 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7410 public void setLineJustify(int startLine, int lineCount, bool justify) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7411 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7412 if (isListening(LineGetStyle)) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7413 if (startLine < 0 \|\| startLine + lineCount > content.getLineCount()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7414 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7415 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7416
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7417 renderer.setLineJustify(startLine, lineCount, justify);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7418 resetCache(startLine, lineCount);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7419 redrawLines(startLine, lineCount);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7420 int caretLine = getCaretLine();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7421 if (startLine <= caretLine && caretLine < startLine + lineCount) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7422 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7423 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7424 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7425 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7426 * Sets the line spacing of the widget. The line spacing applies for all lines.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7427 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7428 * @param lineSpacing the line spacing
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7429 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7430 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7431 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7432 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7433 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7434 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7435 public void setLineSpacing(int lineSpacing) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7436 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7437 if (this.lineSpacing is lineSpacing \|\| lineSpacing < 0) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7438 this.lineSpacing = lineSpacing;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7439 setVariableLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7440 resetCache(0, content.getLineCount());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7441 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7442 super.redraw();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7443 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7444 void setMargins (int leftMargin, int topMargin, int rightMargin, int bottomMargin) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7445 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7446 this.leftMargin = leftMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7447 this.topMargin = topMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7448 this.rightMargin = rightMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7449 this.bottomMargin = bottomMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7450 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7451 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7452 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7453 * Flips selection anchor based on word selection direction.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7454 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7455 void setMouseWordSelectionAnchor() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7456 if (clickCount > 1) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7457 if (caretOffset < doubleClickSelection.x) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7458 selectionAnchor = doubleClickSelection.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7459 } else if (caretOffset > doubleClickSelection.y) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7460 selectionAnchor = doubleClickSelection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7461 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7462 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7463 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7464 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7465 * Sets the orientation of the receiver, which must be one
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7466 * of the constants <code>DWT.LEFT_TO_RIGHT</code> or <code>DWT.RIGHT_TO_LEFT</code>.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7467 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7468 * @param orientation new orientation style
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7469 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7470 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7471 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7472 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7473 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7474 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7475 * @since 2.1.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7476 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7477 public void setOrientation(int orientation) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7478 if ((orientation & (DWT.RIGHT_TO_LEFT \| DWT.LEFT_TO_RIGHT)) is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7479 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7480 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7481 if ((orientation & DWT.RIGHT_TO_LEFT) !is 0 && (orientation & DWT.LEFT_TO_RIGHT) !is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7482 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7483 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7484 if ((orientation & DWT.RIGHT_TO_LEFT) !is 0 && isMirrored()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7485 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7486 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7487 if ((orientation & DWT.LEFT_TO_RIGHT) !is 0 && !isMirrored()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7488 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7489 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7490 if (!BidiUtil.setOrientation(handle, orientation)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7491 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7492 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7493 isMirrored_ = (orientation & DWT.RIGHT_TO_LEFT) !is 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7494 caretDirection = DWT.NULL;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7495 resetCache(0, content.getLineCount());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7496 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7497 keyActionMap = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7498 createKeyBindings();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7499 super.redraw();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7500 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7501 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7502 * Adjusts the maximum and the page size of the scroll bars to
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7503 * reflect content width/length changes.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7504 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7505 * @param vertical indicates if the vertical scrollbar also needs to be set
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7506 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7507 void setScrollBars(bool vertical) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7508 int inactive = 1;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7509 if (vertical \|\| !isFixedLineHeight()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7510 ScrollBar verticalBar = getVerticalBar();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7511 if (verticalBar !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7512 int maximum = renderer.getHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7513 // only set the real values if the scroll bar can be used
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7514 // (ie. because the thumb size is less than the scroll maximum)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7515 // avoids flashing on Motif, fixes 1G7RE1J and 1G5SE92
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7516 if (clientAreaHeight < maximum) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7517 verticalBar.setMaximum(maximum);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7518 verticalBar.setThumb(clientAreaHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7519 verticalBar.setPageIncrement(clientAreaHeight);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7520 } else if (verticalBar.getThumb() !is inactive \|\| verticalBar.getMaximum() !is inactive) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7521 verticalBar.setValues(
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7522 verticalBar.getSelection(),
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7523 verticalBar.getMinimum(),
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7524 inactive,
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7525 inactive,
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7526 verticalBar.getIncrement(),
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7527 inactive);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7528 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7529 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7530 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7531 ScrollBar horizontalBar = getHorizontalBar();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7532 if (horizontalBar !is null && horizontalBar.getVisible()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7533 int maximum = renderer.getWidth();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7534 // only set the real values if the scroll bar can be used
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7535 // (ie. because the thumb size is less than the scroll maximum)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7536 // avoids flashing on Motif, fixes 1G7RE1J and 1G5SE92
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7537 if (clientAreaWidth < maximum) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7538 horizontalBar.setMaximum(maximum);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7539 horizontalBar.setThumb(clientAreaWidth - leftMargin - rightMargin);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7540 horizontalBar.setPageIncrement(clientAreaWidth - leftMargin - rightMargin);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7541 } else if (horizontalBar.getThumb() !is inactive \|\| horizontalBar.getMaximum() !is inactive) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7542 horizontalBar.setValues(
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7543 horizontalBar.getSelection(),
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7544 horizontalBar.getMinimum(),
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7545 inactive,
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7546 inactive,
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7547 horizontalBar.getIncrement(),
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7548 inactive);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7549 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7550 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7551 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7552 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7553 * Sets the selection to the given position and scrolls it into view. Equivalent to setSelection(start,start).
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7554 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7555 * @param start new caret position
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7556 * @see #setSelection(int,int)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7557 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7558 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7559 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7560 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7561 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7562 * <li>ERROR_INVALID_ARGUMENT when either the start or the end of the selection range is inside a
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7563 * multi byte line delimiter (and thus neither clearly in front of or after the line delimiter)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7564 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7565 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7566 public void setSelection(int start) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7567 // checkWidget test done in setSelectionRange
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7568 setSelection(start, start);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7569 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7570 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7571 * Sets the selection and scrolls it into view.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7572 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7573 * Indexing is zero based. Text selections are specified in terms of
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7574 * caret positions. In a text widget that contains N characters, there are
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7575 * N+1 caret positions, ranging from 0..N
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7576 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7577 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7578 * @param point x=selection start offset, y=selection end offset
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7579 * The caret will be placed at the selection start when x > y.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7580 * @see #setSelection(int,int)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7581 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7582 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7583 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7584 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7585 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7586 * <li>ERROR_NULL_ARGUMENT when point is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7587 * <li>ERROR_INVALID_ARGUMENT when either the start or the end of the selection range is inside a
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7588 * multi byte line delimiter (and thus neither clearly in front of or after the line delimiter)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7589 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7590 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7591 public void setSelection(Point point) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7592 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7593 if (point is null) DWT.error (DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7594 setSelection(point.x, point.y);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7595 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7596 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7597 * Sets the receiver's selection background color to the color specified
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7598 * by the argument, or to the default system color for the control
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7599 * if the argument is null.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7600 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7601 * @param color the new color (or null)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7602 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7603 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7604 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7605 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7606 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7607 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7608 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7609 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7610 * @since 2.1
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7611 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7612 public void setSelectionBackground (Color color) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7613 checkWidget ();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7614 if (color !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7615 if (color.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7616 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7617 selectionBackground = color;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7618 super.redraw();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7619 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7620 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7621 * Sets the receiver's selection foreground color to the color specified
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7622 * by the argument, or to the default system color for the control
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7623 * if the argument is null.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7624 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7625 * Note that this is a <em>HINT</em>. Some platforms do not allow the application
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7626 * to change the selection foreground color.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7627 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7628 * @param color the new color (or null)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7629 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7630 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7631 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7632 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7633 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7634 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7635 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7636 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7637 * @since 2.1
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7638 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7639 public void setSelectionForeground (Color color) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7640 checkWidget ();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7641 if (color !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7642 if (color.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7643 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7644 selectionForeground = color;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7645 super.redraw();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7646 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7647 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7648 * Sets the selection and scrolls it into view.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7649 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7650 * Indexing is zero based. Text selections are specified in terms of
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7651 * caret positions. In a text widget that contains N characters, there are
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7652 * N+1 caret positions, ranging from 0..N
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7653 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7654 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7655 * @param start selection start offset. The caret will be placed at the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7656 * selection start when start > end.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7657 * @param end selection end offset
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7658 * @see #setSelectionRange(int,int)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7659 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7660 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7661 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7662 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7663 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7664 * <li>ERROR_INVALID_ARGUMENT when either the start or the end of the selection range is inside a
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7665 * multi byte line delimiter (and thus neither clearly in front of or after the line delimiter)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7666 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7667 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7668 public void setSelection(int start, int end) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7669 setSelectionRange(start, end - start);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7670 showSelection();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7671 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7672 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7673 * Sets the selection.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7674 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7675 * The new selection may not be visible. Call showSelection to scroll
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7676 * the selection into view.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7677 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7678 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7679 * @param start offset of the first selected character, start >= 0 must be true.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7680 * @param length number of characters to select, 0 <= start + length
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7681 * <= getCharCount() must be true.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7682 * A negative length places the caret at the selection start.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7683 * @param sendEvent a Selection event is sent when set to true and when
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7684 * the selection is reset.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7685 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7686 void setSelection(int start, int length, bool sendEvent) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7687 int end = start + length;
182 721afe91f448 Fix: several utf8 awareness problems Frank Benoit <benoit@tionex.de> parents: 170 diff changeset	7688 start = content.utf8AdjustOffset(start);
721afe91f448 Fix: several utf8 awareness problems Frank Benoit <benoit@tionex.de> parents: 170 diff changeset	7689 end = content.utf8AdjustOffset(end);
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7690 if (start > end) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7691 int temp = end;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7692 end = start;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7693 start = temp;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7694 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7695 // is the selection range different or is the selection direction
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7696 // different?
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7697 if (selection.x !is start \|\| selection.y !is end \|\|
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7698 (length > 0 && selectionAnchor !is selection.x) \|\|
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7699 (length < 0 && selectionAnchor !is selection.y)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7700 clearSelection(sendEvent);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7701 if (length < 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7702 selectionAnchor = selection.y = end;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7703 caretOffset = selection.x = start;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7704 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7705 selectionAnchor = selection.x = start;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7706 caretOffset = selection.y = end;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7707 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7708 internalRedrawRange(selection.x, selection.y - selection.x);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7709 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7710 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7711 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7712 * Sets the selection.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7713 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7714 * The new selection may not be visible. Call showSelection to scroll the selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7715 * into view. A negative length places the caret at the visual start of the selection.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7716 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7717 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7718 * @param start offset of the first selected character
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7719 * @param length number of characters to select
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7720 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7721 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7722 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7723 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7724 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7725 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7726 * <li>ERROR_INVALID_ARGUMENT when either the start or the end of the selection range is inside a
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7727 * multi byte line delimiter (and thus neither clearly in front of or after the line delimiter)
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7728 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7729 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7730 public void setSelectionRange(int start, int length) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7731 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7732 int contentLength = getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7733 start = Math.max(0, Math.min (start, contentLength));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7734 int end = start + length;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7735 if (end < 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7736 length = -start;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7737 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7738 if (end > contentLength) length = contentLength - start;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7739 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7740 if (isLineDelimiter(start) \|\| isLineDelimiter(start + length)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7741 // the start offset or end offset of the selection range is inside a
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7742 // multi byte line delimiter. This is an illegal operation and an exception
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7743 // is thrown. Fixes 1GDKK3R
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7744 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7745 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7746 setSelection(start, length, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7747 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7748 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7749 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7750 * Adds the specified style.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7751 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7752 * The new style overwrites existing styles for the specified range.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7753 * Existing style ranges are adjusted if they partially overlap with
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7754 * the new style. To clear an individual style, call setStyleRange
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7755 * with a StyleRange that has null attributes.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7756 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7757 * Should not be called if a LineStyleListener has been set since the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7758 * listener maintains the styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7759 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7760 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7761 * @param range StyleRange object containing the style information.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7762 * Overwrites the old style in the given range. May be null to delete
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7763 * all styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7764 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7765 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7766 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7767 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7768 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7769 * <li>ERROR_INVALID_RANGE when the style range is outside the valid range (> getCharCount())</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7770 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7771 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7772 public void setStyleRange(StyleRange range) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7773 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7774 if (isListening(LineGetStyle)) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7775 if (range !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7776 if (range.isUnstyled()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7777 setStyleRanges(range.start, range.length, null, null, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7778 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7779 setStyleRanges(range.start, 0, null, [range], false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7780 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7781 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7782 setStyleRanges(0, 0, null, null, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7783 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7784 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7785 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7786 * Clears the styles in the range specified by <code>start</code> and
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7787 * <code>length</code> and adds the new styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7788 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7789 * The ranges array contains start and length pairs. Each pair refers to
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7790 * the corresponding style in the styles array. For example, the pair
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7791 * that starts at ranges[n] with length ranges[n+1] uses the style
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7792 * at styles[n/2]. The range fields within each StyleRange are ignored.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7793 * If ranges or styles is null, the specified range is cleared.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7794 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7795 * Note: It is expected that the same instance of a StyleRange will occur
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7796 * multiple times within the styles array, reducing memory usage.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7797 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7798 * Should not be called if a LineStyleListener has been set since the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7799 * listener maintains the styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7800 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7801 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7802 * @param start offset of first character where styles will be deleted
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7803 * @param length length of the range to delete styles in
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7804 * @param ranges the array of ranges. The ranges must not overlap and must be in order.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7805 * @param styles the array of StyleRanges. The range fields within the StyleRange are unused.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7806 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7807 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7808 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7809 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7810 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7811 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7812 * <li>ERROR_NULL_ARGUMENT when an element in the styles array is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7813 * <li>ERROR_INVALID_RANGE when the number of ranges and style do not match (ranges.length * 2 is styles.length)</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7814 * <li>ERROR_INVALID_RANGE when a range is outside the valid range (> getCharCount() or less than zero)</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7815 * <li>ERROR_INVALID_RANGE when a range overlaps</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7816 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7817 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7818 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7819 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7820 public void setStyleRanges(int start, int length, int[] ranges, StyleRange[] styles) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7821 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7822 if (isListening(LineGetStyle)) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7823 if (ranges is null \|\| styles is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7824 setStyleRanges(start, length, null, null, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7825 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7826 setStyleRanges(start, length, ranges, styles, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7827 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7828 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7829 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7830 * Sets styles to be used for rendering the widget content.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7831 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7832 * All styles in the widget will be replaced with the given set of ranges and styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7833 * The ranges array contains start and length pairs. Each pair refers to
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7834 * the corresponding style in the styles array. For example, the pair
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7835 * that starts at ranges[n] with length ranges[n+1] uses the style
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7836 * at styles[n/2]. The range fields within each StyleRange are ignored.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7837 * If either argument is null, the styles are cleared.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7838 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7839 * Note: It is expected that the same instance of a StyleRange will occur
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7840 * multiple times within the styles array, reducing memory usage.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7841 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7842 * Should not be called if a LineStyleListener has been set since the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7843 * listener maintains the styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7844 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7845 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7846 * @param ranges the array of ranges. The ranges must not overlap and must be in order.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7847 * @param styles the array of StyleRanges. The range fields within the StyleRange are unused.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7848 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7849 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7850 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7851 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7852 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7853 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7854 * <li>ERROR_NULL_ARGUMENT when an element in the styles array is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7855 * <li>ERROR_INVALID_RANGE when the number of ranges and style do not match (ranges.length * 2 is styles.length)</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7856 * <li>ERROR_INVALID_RANGE when a range is outside the valid range (> getCharCount() or less than zero)</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7857 * <li>ERROR_INVALID_RANGE when a range overlaps</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7858 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7859 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7860 * @since 3.2
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7861 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7862 public void setStyleRanges(int[] ranges, StyleRange[] styles) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7863 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7864 if (isListening(LineGetStyle)) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7865 if (ranges is null \|\| styles is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7866 setStyleRanges(0, 0, null, null, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7867 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7868 setStyleRanges(0, 0, ranges, styles, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7869 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7870 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7871 void setStyleRanges(int start, int length, int[] ranges, StyleRange[] styles, bool reset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7872 int charCount = content.getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7873 int end = start + length;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7874 if (start > end \|\| start < 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7875 DWT.error(DWT.ERROR_INVALID_RANGE);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7876 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7877 if (styles !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7878 if (end > charCount) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7879 DWT.error(DWT.ERROR_INVALID_RANGE);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7880 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7881 if (ranges !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7882 if (ranges.length !is styles.length << 1) DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7883 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7884 int lastOffset = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7885 bool variableHeight = false;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7886 for (int i = 0; i < styles.length; i ++) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7887 if (styles[i] is null) DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7888 int rangeStart, rangeLength;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7889 if (ranges !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7890 rangeStart = ranges[i << 1];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7891 rangeLength = ranges[(i << 1) + 1];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7892 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7893 rangeStart = styles[i].start;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7894 rangeLength = styles[i].length;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7895 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7896 if (rangeLength < 0) DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7897 if (!(0 <= rangeStart && rangeStart + rangeLength <= charCount)) DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7898 if (lastOffset > rangeStart) DWT.error(DWT.ERROR_INVALID_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7899 variableHeight \|= styles[i].isVariableHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7900 lastOffset = rangeStart + rangeLength;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7901 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7902 if (variableHeight) setVariableLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7903 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7904 int rangeStart = start, rangeEnd = end;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7905 if (styles !is null && styles.length > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7906 if (ranges !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7907 rangeStart = ranges[0];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7908 rangeEnd = ranges[ranges.length - 2] + ranges[ranges.length - 1];
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7909 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7910 rangeStart = styles[0].start;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7911 rangeEnd = styles[styles.length - 1].start + styles[styles.length - 1].length;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7912 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7913 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7914 int lastLineBottom = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7915 if (!isFixedLineHeight() && !reset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7916 int lineEnd = content.getLineAtOffset(Math.max(end, rangeEnd));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7917 int partialTopIndex = getPartialTopIndex();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7918 int partialBottomIndex = getPartialBottomIndex();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7919 if (partialTopIndex <= lineEnd && lineEnd <= partialBottomIndex) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7920 lastLineBottom = getLinePixel(lineEnd + 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7921 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7922 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7923 if (reset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7924 renderer.setStyleRanges(null, null);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7925 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7926 renderer.updateRanges(start, length, length);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7927 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7928 if (styles !is null && styles.length > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7929 renderer.setStyleRanges(ranges, styles);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7930 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7931 if (reset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7932 resetCache(0, content.getLineCount());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7933 super.redraw();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7934 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7935 int lineStart = content.getLineAtOffset(Math.min(start, rangeStart));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7936 int lineEnd = content.getLineAtOffset(Math.max(end, rangeEnd));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7937 resetCache(lineStart, lineEnd - lineStart + 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7938 int partialTopIndex = getPartialTopIndex();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7939 int partialBottomIndex = getPartialBottomIndex();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7940 if (!(lineStart > partialBottomIndex \|\| lineEnd < partialTopIndex)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7941 int y = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7942 int height = clientAreaHeight;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7943 if (partialTopIndex <= lineStart && lineStart <= partialBottomIndex) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7944 int lineTop = Math.max(y, getLinePixel(lineStart));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7945 y = lineTop;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7946 height -= lineTop;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7947 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7948 if (partialTopIndex <= lineEnd && lineEnd <= partialBottomIndex) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7949 int newLastLineBottom = getLinePixel(lineEnd + 1);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7950 if (!isFixedLineHeight()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7951 scrollText(lastLineBottom, newLastLineBottom);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7952 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7953 height = newLastLineBottom - y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7954 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7955 super.redraw(0, y, clientAreaWidth, height, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7956 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7957 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7958 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7959 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7960 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7961 * Sets styles to be used for rendering the widget content. All styles
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7962 * in the widget will be replaced with the given set of styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7963 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7964 * Note: Because a StyleRange includes the start and length, the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7965 * same instance cannot occur multiple times in the array of styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7966 * If the same style attributes, such as font and color, occur in
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7967 * multiple StyleRanges, <code>setStyleRanges(int[], StyleRange[])</code>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7968 * can be used to share styles and reduce memory usage.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7969 * </p><p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7970 * Should not be called if a LineStyleListener has been set since the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7971 * listener maintains the styles.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7972 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7973 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7974 * @param ranges StyleRange objects containing the style information.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7975 * The ranges should not overlap. The style rendering is undefined if
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7976 * the ranges do overlap. Must not be null. The styles need to be in order.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7977 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7978 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7979 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7980 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7981 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7982 * <li>ERROR_NULL_ARGUMENT when the list of ranges is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7983 * <li>ERROR_INVALID_RANGE when the last of the style ranges is outside the valid range (> getCharCount())</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7984 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7985 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7986 * @see #setStyleRanges(int[], StyleRange[])
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7987 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7988 public void setStyleRanges(StyleRange[] ranges) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7989 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7990 if (isListening(LineGetStyle)) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7991 if (ranges is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7992 setStyleRanges(0, 0, null, ranges, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7993 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7994 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7995 * Sets the tab width.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7996 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7997 * @param tabs tab width measured in characters.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7998 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	7999 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8000 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8001 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8002 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8003 public void setTabs(int tabs) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8004 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8005 tabLength = tabs;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8006 renderer.setFont(null, tabs);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8007 if (caretOffset > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8008 caretOffset = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8009 showCaret();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8010 clearSelection(false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8011 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8012 resetCache(0, content.getLineCount());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8013 super.redraw();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8014 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8015 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8016 * Sets the widget content.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8017 * If the widget has the DWT.SINGLE style and "text" contains more than
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8018 * one line, only the first line is rendered but the text is stored
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8019 * unchanged. A subsequent call to getText will return the same text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8020 * that was set.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8021 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8022 * <b>Note:</b> Only a single line of text should be set when the DWT.SINGLE
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8023 * style is used.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8024 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8025 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8026 * @param text new widget content. Replaces existing content. Line styles
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8027 * that were set using StyledText API are discarded. The
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8028 * current selection is also discarded.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8029 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8030 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8031 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8032 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8033 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8034 * <li>ERROR_NULL_ARGUMENT when string is null</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8035 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8036 */
170 dd156298d22f tango -r3232, dmd 1.027, some reedits in StyledText Frank Benoit <benoit@tionex.de> parents: 150 diff changeset	8037 public void setText(String text) {
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8038 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8039 if (text is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8040 DWT.error(DWT.ERROR_NULL_ARGUMENT);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8041 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8042 Event event = new Event();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8043 event.start = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8044 event.end = getCharCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8045 event.text = text;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8046 event.doit = true;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8047 notifyListeners(DWT.Verify, event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8048 if (event.doit) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8049 StyledTextEvent styledTextEvent = null;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8050 if (isListening(ExtendedModify)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8051 styledTextEvent = new StyledTextEvent(content);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8052 styledTextEvent.start = event.start;
103 0179b2e17eb2 Package custom compiles Frank Benoit <benoit@tionex.de> parents: 102 diff changeset	8053 styledTextEvent.end = event.start + event.text.length;
102 12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8054 styledTextEvent.text = content.getTextRange(event.start, event.end - event.start);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8055 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8056 content.setText(event.text);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8057 sendModifyEvent(event);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8058 if (styledTextEvent !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8059 notifyListeners(ExtendedModify, styledTextEvent);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8060 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8061 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8062 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8063 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8064 * Sets the text limit to the specified number of characters.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8065 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8066 * The text limit specifies the amount of text that
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8067 * the user can type into the widget.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8068 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8069 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8070 * @param limit the new text limit.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8071 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8072 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8073 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8074 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8075 * @exception IllegalArgumentException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8076 * <li>ERROR_CANNOT_BE_ZERO when limit is 0</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8077 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8078 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8079 public void setTextLimit(int limit) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8080 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8081 if (limit is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8082 DWT.error(DWT.ERROR_CANNOT_BE_ZERO);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8083 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8084 textLimit = limit;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8085 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8086 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8087 * Sets the top index. Do nothing if there is no text set.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8088 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8089 * The top index is the index of the line that is currently at the top
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8090 * of the widget. The top index changes when the widget is scrolled.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8091 * Indexing starts from zero.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8092 * Note: The top index is reset to 0 when new text is set in the widget.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8093 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8094 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8095 * @param topIndex new top index. Must be between 0 and
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8096 * getLineCount() - fully visible lines per page. If no lines are fully
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8097 * visible the maximum value is getLineCount() - 1. An out of range
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8098 * index will be adjusted accordingly.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8099 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8100 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8101 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8102 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8103 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8104 public void setTopIndex(int topIndex) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8105 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8106 if (getCharCount() is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8107 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8108 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8109 int lineCount = content.getLineCount(), pixel;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8110 if (isFixedLineHeight()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8111 int pageSize = Math.max(1, Math.min(lineCount, getLineCountWhole()));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8112 if (topIndex < 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8113 topIndex = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8114 } else if (topIndex > lineCount - pageSize) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8115 topIndex = lineCount - pageSize;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8116 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8117 pixel = getLinePixel(topIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8118 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8119 topIndex = Math.max(0, Math.min(lineCount - 1, topIndex));
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8120 pixel = getLinePixel(topIndex);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8121 if (pixel > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8122 pixel = getAvailableHeightBellow(pixel);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8123 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8124 pixel = getAvailableHeightAbove(pixel);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8125 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8126 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8127 scrollVertical(pixel, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8128 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8129 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8130 * Sets the top pixel offset. Do nothing if there is no text set.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8131 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8132 * The top pixel offset is the vertical pixel offset of the widget. The
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8133 * widget is scrolled so that the given pixel position is at the top.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8134 * The top index is adjusted to the corresponding top line.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8135 * Note: The top pixel is reset to 0 when new text is set in the widget.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8136 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8137 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8138 * @param pixel new top pixel offset. Must be between 0 and
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8139 * (getLineCount() - visible lines per page) / getLineHeight()). An out
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8140 * of range offset will be adjusted accordingly.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8141 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8142 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8143 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8144 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8145 * @since 2.0
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8146 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8147 public void setTopPixel(int pixel) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8148 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8149 if (getCharCount() is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8150 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8151 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8152 if (pixel < 0) pixel = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8153 int lineCount = content.getLineCount();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8154 int height = clientAreaHeight - topMargin - bottomMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8155 int verticalOffset = getVerticalScrollOffset();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8156 if (isFixedLineHeight()) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8157 int maxTopPixel = Math.max(0, lineCount * getVerticalIncrement() - height);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8158 if (pixel > maxTopPixel) pixel = maxTopPixel;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8159 pixel -= verticalOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8160 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8161 pixel -= verticalOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8162 if (pixel > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8163 pixel = getAvailableHeightBellow(pixel);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8164 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8165 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8166 scrollVertical(pixel, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8167 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8168 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8169 * Sets whether the widget wraps lines.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8170 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8171 * This overrides the creation style bit DWT.WRAP.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8172 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8173 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8174 * @param wrap true=widget wraps lines, false=widget does not wrap lines
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8175 * @since 2.0
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8176 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8177 public void setWordWrap(bool wrap) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8178 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8179 if ((getStyle() & DWT.SINGLE) !is 0) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8180 if (wordWrap is wrap) return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8181 wordWrap = wrap;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8182 setVariableLineHeight();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8183 resetCache(0, content.getLineCount());
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8184 horizontalScrollOffset = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8185 ScrollBar horizontalBar = getHorizontalBar();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8186 if (horizontalBar !is null) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8187 horizontalBar.setVisible(!wordWrap);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8188 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8189 setScrollBars(true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8190 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8191 super.redraw();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8192 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8193 bool showLocation(Rectangle rect, bool scrollPage) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8194 int clientAreaWidth = this.clientAreaWidth - leftMargin - rightMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8195 int clientAreaHeight = this.clientAreaHeight - topMargin - bottomMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8196 bool scrolled = false;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8197 if (rect.y <= topMargin) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8198 scrolled = scrollVertical(rect.y - topMargin, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8199 } else if (rect.y + rect.height > clientAreaHeight) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8200 if (clientAreaHeight is 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8201 scrolled = scrollVertical(rect.y, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8202 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8203 scrolled = scrollVertical(rect.y + rect.height - clientAreaHeight, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8204 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8205 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8206 if (clientAreaWidth > 0) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8207 int minScroll = scrollPage ? clientAreaWidth / 4 : 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8208 if (rect.x < leftMargin) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8209 int scrollWidth = Math.max(leftMargin - rect.x, minScroll);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8210 int maxScroll = horizontalScrollOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8211 scrolled = scrollHorizontal(-Math.min(maxScroll, scrollWidth), true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8212 } else if (rect.x + rect.width > clientAreaWidth) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8213 int scrollWidth = Math.max(rect.x + rect.width - clientAreaWidth, minScroll);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8214 int maxScroll = renderer.getWidth() - horizontalScrollOffset - this.clientAreaWidth;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8215 scrolled = scrollHorizontal(Math.min(maxScroll, scrollWidth), true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8216 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8217 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8218 return scrolled;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8219 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8220 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8221 * Sets the caret location and scrolls the caret offset into view.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8222 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8223 void showCaret() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8224 Rectangle bounds = getBoundsAtOffset(caretOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8225 if (!showLocation(bounds, true)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8226 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8227 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8228 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8229 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8230 * Scrolls the selection into view.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8231 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8232 * The end of the selection will be scrolled into view.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8233 * Note that if a right-to-left selection exists, the end of the selection is
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8234 * the visual beginning of the selection (i.e., where the caret is located).
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8235 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8236 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8237 * @exception DWTException <ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8238 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8239 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8240 * </ul>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8241 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8242 public void showSelection() {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8243 checkWidget();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8244 // is selection from right-to-left?
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8245 bool rightToLeft = caretOffset is selection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8246 int startOffset, endOffset;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8247 if (rightToLeft) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8248 startOffset = selection.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8249 endOffset = selection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8250 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8251 startOffset = selection.x;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8252 endOffset = selection.y;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8253 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8254
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8255 Rectangle startBounds = getBoundsAtOffset(startOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8256 Rectangle endBounds = getBoundsAtOffset(endOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8257
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8258 // can the selection be fully displayed within the widget's visible width?
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8259 int w = clientAreaWidth - leftMargin - rightMargin;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8260 bool selectionFits = rightToLeft ? startBounds.x - endBounds.x <= w : endBounds.x - startBounds.x <= w;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8261 if (selectionFits) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8262 // show as much of the selection as possible by first showing
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8263 // the start of the selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8264 if (showLocation(startBounds, false)) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8265 // endX value could change if showing startX caused a scroll to occur
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8266 endBounds = getBoundsAtOffset(endOffset);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8267 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8268 // the character at endOffset is not part of the selection
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8269 endBounds.width = 0;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8270 showLocation(endBounds, false);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8271 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8272 // just show the end of the selection since the selection start
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8273 // will not be visible
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8274 showLocation(endBounds, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8275 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8276 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8277 /**
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8278 * Updates the selection and caret position depending on the text change.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8279 * <p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8280 * If the selection intersects with the replaced text, the selection is
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8281 * reset and the caret moved to the end of the new text.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8282 * If the selection is behind the replaced text it is moved so that the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8283 * same text remains selected. If the selection is before the replaced text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8284 * it is left unchanged.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8285 * </p>
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8286 *
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8287 * @param startOffset offset of the text change
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8288 * @param replacedLength length of text being replaced
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8289 * @param newLength length of new text
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8290 */
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8291 void updateSelection(int startOffset, int replacedLength, int newLength) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8292 if (selection.y <= startOffset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8293 // selection ends before text change
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8294 return;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8295 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8296 if (selection.x < startOffset) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8297 // clear selection fragment before text change
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8298 internalRedrawRange(selection.x, startOffset - selection.x);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8299 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8300 if (selection.y > startOffset + replacedLength && selection.x < startOffset + replacedLength) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8301 // clear selection fragment after text change.
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8302 // do this only when the selection is actually affected by the
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8303 // change. Selection is only affected if it intersects the change (1GDY217).
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8304 int netNewLength = newLength - replacedLength;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8305 int redrawStart = startOffset + newLength;
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8306 internalRedrawRange(redrawStart, selection.y + netNewLength - redrawStart);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8307 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8308 if (selection.y > startOffset && selection.x < startOffset + replacedLength) {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8309 // selection intersects replaced text. set caret behind text change
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8310 setSelection(startOffset + newLength, 0, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8311 } else {
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8312 // move selection to keep same text selected
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8313 setSelection(selection.x + newLength - replacedLength, selection.y - selection.x, true);
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8314 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8315 setCaretLocation();
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8316 }
12e3e0e477cd package custom, module and imports ok Frank Benoit <benoit@tionex.de> parents: diff changeset	8317 }

Mercurial > projects > dwt-linux

annotate dwt/custom/StyledText.d @ 238:380bad9f6852