projects/dwt-addons: dwtx/draw2d/text/TextFlow.d annotate

author	Frank Benoit <benoit@tionex.de>
date	Sun, 03 Aug 2008 00:52:14 +0200
parents
children

rev	line source
98 95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	1 /*******************************************************************************
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	2 * Copyright (c) 2000, 2008 IBM Corporation and others.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	3 * All rights reserved. This program and the accompanying materials
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	4 * are made available under the terms of the Eclipse Public License v1.0
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	5 * which accompanies this distribution, and is available at
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	6 * http://www.eclipse.org/legal/epl-v10.html
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	7 *
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	8 * Contributors:
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	9 * IBM Corporation - initial API and implementation
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	10 * Port to the D programming language:
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	11 * Frank Benoit <benoit@tionex.de>
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	12 *******************************************************************************/
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	13 module dwtx.draw2d.text.TextFlow;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	14
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	15 import dwt.dwthelper.utils;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	16 import dwtx.dwtxhelper.Collection;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	17
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	18 import dwt.DWT;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	19 import dwt.graphics.Color;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	20 import dwt.graphics.TextLayout;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	21 import dwtx.draw2d.ColorConstants;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	22 import dwtx.draw2d.Graphics;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	23 import dwtx.draw2d.TextUtilities;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	24 import dwtx.draw2d.geometry.Dimension;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	25 import dwtx.draw2d.geometry.Point;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	26 import dwtx.draw2d.geometry.Rectangle;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	27 import dwtx.draw2d.text.InlineFlow;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	28 import dwtx.draw2d.text.BidiInfo;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	29 import dwtx.draw2d.text.BidiProcessor;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	30 import dwtx.draw2d.text.FlowFigureLayout;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	31 import dwtx.draw2d.text.TextFragmentBox;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	32 import dwtx.draw2d.text.CaretInfo;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	33 import dwtx.draw2d.text.FlowUtilities;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	34 import dwtx.draw2d.text.ParagraphTextLayout;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	35 import dwtx.draw2d.text.BidiChars;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	36 import dwtx.draw2d.text.FlowBorder;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	37
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	38 import tango.text.convert.Format;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	39
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	40 /**
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	41 * An inline flow figure that renders a string of text across one or more lines. A
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	42 * TextFlow cannot contain children. All <code>InlineFlow</code> figure's must be
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	43 * parented by a <code>FlowFigure</code>.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	44 * <p>
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	45 * WARNING: This class is not intended to be subclassed by clients.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	46 * @author hudsonr
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	47 * @author Pratik Shah
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	48 * @since 2.1
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	49 */
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	50 public class TextFlow
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	51 : InlineFlow
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	52 {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	53
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	54 static final String ELLIPSIS = "..."; //$NON-NLS-1$
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	55 private BidiInfo bidiInfo;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	56 private int selectionEnd = -1;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	57 private String text;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	58
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	59 /**
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	60 * Constructs a new TextFlow with the empty String.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	61 * @see java.lang.Object#Object()
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	62 */
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	63 public this() {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	64 this(""/+new String()+/);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	65 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	66
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	67 /**
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	68 * Constructs a new TextFlow with the specified String.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	69 * @param s the string
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	70 */
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	71 public this(String s) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	72 text = s;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	73 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	74
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	75 /**
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	76 * Returns the width of the text until the first line-break.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	77 * @see dwtx.draw2d.text.FlowFigure#addLeadingWordRequirements(int[])
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	78 */
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	79 public bool addLeadingWordRequirements(int[] width) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	80 return addLeadingWordWidth(getText(), width);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	81 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	82
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	83 /**
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	84 * Calculates the width taken up by the given text before a line-break is encountered.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	85 *
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	86 * @param text the text in which the break is to be found
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	87 * @param width the width before the next line-break (if one's found; the width of all
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	88 * the given text, otherwise) will be added on to the first int in the given array
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	89 * @return <code>true</code> if a line-break was found
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	90 * @since 3.1
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	91 */
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	92 bool addLeadingWordWidth(String text, int[] width) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	93 if (text.length is 0)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	94 return false;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	95 if (CharacterIsWhitespace(text.firstCodePoint()))
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	96 return true;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	97
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	98 text = 'a' ~ text ~ 'a';
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	99 FlowUtilities.LINE_BREAK.setText(text);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	100 int index = FlowUtilities.LINE_BREAK.next() - 1;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	101 if (index is 0)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	102 return true;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	103 while (CharacterIsWhitespace(text[index..$].firstCodePoint()))
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	104 index--;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	105 bool result = index < text.length - 1;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	106 // index should point to the end of the actual text (not including the 'a' that was
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	107 // appended), if there were no breaks
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	108 if (index is text.length - 1)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	109 index--;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	110 text = text.substring(1, index + 1);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	111
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	112 if (bidiInfo is null)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	113 width[0] += getTextUtilities().getStringExtents(text, getFont()).width;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	114 else {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	115 TextLayout textLayout = FlowUtilities.getTextLayout();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	116 textLayout.setFont(getFont());
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	117 textLayout.setText(text);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	118 width[0] += textLayout.getBounds().width;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	119 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	120 return result;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	121 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	122
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	123 /**
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	124 * A TextFlow contributes its text.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	125 * @see dwtx.draw2d.text.FlowFigure#contributeBidi(dwtx.draw2d.text.BidiProcessor)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	126 */
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	127 protected void contributeBidi(BidiProcessor proc) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	128 bidiInfo = null;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	129 proc.add(this, getText());
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	130 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	131
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	132 /**
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	133 * @see dwtx.draw2d.text.InlineFlow#createDefaultFlowLayout()
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	134 */
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	135 protected FlowFigureLayout createDefaultFlowLayout() {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	136 return new ParagraphTextLayout(this);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	137 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	138
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	139 private int findNextLineOffset(Point p, int[] trailing) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	140 if (getBounds().bottom() <= p.y)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	141 return -1;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	142
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	143 TextFragmentBox closestBox = null;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	144 int index = 0;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	145 List fragments = getFragmentsWithoutBorder();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	146 for (int i = fragments.size() - 1; i >= 0; i--) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	147 TextFragmentBox box = cast(TextFragmentBox)fragments.get(i);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	148 if (box.getBaseline() - box.getLineRoot().getAscent() > p.y
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	149 && (closestBox is null
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	150 \|\| box.getBaseline() < closestBox.getBaseline()
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	151 \|\| (box.getBaseline() is closestBox.getBaseline()
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	152 && hDistanceBetween(box, p.x) < hDistanceBetween(closestBox, p.x)))) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	153 closestBox = box;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	154 index = i;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	155 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	156 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	157 return findOffset(p, trailing, closestBox, index);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	158 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	159
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	160 private int findOffset(Point p, int[] trailing, TextFragmentBox box, int boxIndex) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	161 if (box is null)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	162 return -1;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	163 TextLayout layout = FlowUtilities.getTextLayout();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	164 layout.setFont(getFont());
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	165 layout.setText(getBidiSubstring(box, boxIndex));
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	166 int x = p.x - box.getX();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	167 if (isMirrored())
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	168 x = box.getWidth() - x;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	169 int layoutOffset = layout.getOffset(x, p.y - box.getTextTop(), trailing);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	170 return box.offset + layoutOffset - getBidiPrefixLength(box, boxIndex);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	171 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	172
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	173 private int findPreviousLineOffset(Point p, int[] trailing) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	174 if (getBounds().y > p.y)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	175 return -1;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	176
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	177 TextFragmentBox closestBox = null;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	178 int index = 0;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	179 List fragments = getFragmentsWithoutBorder();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	180 for (int i = fragments.size() - 1; i >= 0; i--) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	181 TextFragmentBox box = cast(TextFragmentBox)fragments.get(i);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	182 if (box.getBaseline() + box.getLineRoot().getDescent() < p.y
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	183 && (closestBox is null
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	184 \|\| box.getBaseline() > closestBox.getBaseline()
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	185 \|\| (box.getBaseline() is closestBox.getBaseline()
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	186 && hDistanceBetween(box, p.x) < hDistanceBetween(closestBox, p.x)))) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	187 closestBox = box;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	188 index = i;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	189 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	190 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	191 return findOffset(p, trailing, closestBox, index);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	192 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	193
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	194 int getAscent() {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	195 return getTextUtilities().getAscent(getFont());
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	196 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	197
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	198 /**
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	199 * Returns the BidiInfo for this figure or <code>null</code>.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	200 * @return <code>null</code> or the info
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	201 * @since 3.1
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	202 */
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	203 public BidiInfo getBidiInfo() {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	204 return bidiInfo;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	205 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	206
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	207 private int getBidiPrefixLength(TextFragmentBox box, int index) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	208 if (box.getBidiLevel() < 1)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	209 return 0;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	210 if (index > 0 \|\| !bidiInfo.leadingJoiner)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	211 return 1;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	212 return 2;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	213 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	214
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	215 /**
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	216 * @param box which fragment
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	217 * @param index the fragment index
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	218 * @return the bidi string for that fragment
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	219 * @since 3.1
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	220 */
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	221 protected String getBidiSubstring(TextFragmentBox box, int index) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	222 if (box.getBidiLevel() < 1)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	223 return getText().substring(box.offset, box.offset + box.length);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	224
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	225 StringBuffer buffer = new StringBuffer(box.length + 3);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	226 buffer.append( dcharToString( box.isRightToLeft() ? BidiChars.RLO : BidiChars.LRO ));
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	227 if (index is 0 && bidiInfo.leadingJoiner)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	228 buffer.append(dcharToString(BidiChars.ZWJ));
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	229 buffer.append(getText().substring(box.offset, box.offset + box.length));
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	230 if (index is getFragmentsWithoutBorder().size() - 1 && bidiInfo.trailingJoiner)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	231 buffer.append(dcharToString(BidiChars.ZWJ));
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	232 return buffer.toString();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	233 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	234
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	235 /**
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	236 * Returns the CaretInfo in absolute coordinates. The offset must be between 0 and the
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	237 * length of the String being displayed.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	238 * @since 3.1
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	239 * @param offset the location in this figure's text
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	240 * @param trailing true if the caret is being placed after the offset
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	241 * @exception IllegalArgumentException If the offset is not between <code>0</code> and the
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	242 * length of the string inclusively
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	243 * @return the caret bounds relative to this figure
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	244 */
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	245 public CaretInfo getCaretPlacement(int offset, bool trailing) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	246 if (offset < 0 \|\| offset > getText().length)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	247 throw new IllegalArgumentException(Format("Offset: {} is invalid", offset //$NON-NLS-1$
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	248 )); //$NON-NLS-1$
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	249
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	250 if (offset is getText().length)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	251 trailing = false;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	252
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	253 List fragments = getFragmentsWithoutBorder();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	254 int i = fragments.size();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	255 TextFragmentBox box;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	256 do
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	257 box = cast(TextFragmentBox)fragments.get(--i);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	258 while (offset < box.offset && i > 0);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	259
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	260 // Cannot be trailing and after the last char, so go to first char in next box
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	261 if (trailing && box.offset + box.length <= offset) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	262 box = cast(TextFragmentBox)fragments.get(++i);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	263 offset = box.offset;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	264 trailing = false;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	265 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	266
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	267 Point where = getPointInBox(box, offset, i, trailing);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	268 CaretInfo info = new CaretInfo(where.x, where.y, box.getAscent(), box.getDescent(),
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	269 box.getLineRoot().getAscent(), box.getLineRoot().getDescent());
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	270 translateToAbsolute(info);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	271 return info;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	272 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	273
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	274 Point getPointInBox(TextFragmentBox box, int offset, int index, bool trailing) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	275 offset -= box.offset;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	276 offset = Math.min(box.length, offset);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	277 Point result = new Point(0, box.getTextTop());
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	278 if (bidiInfo is null) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	279 if (trailing && offset < box.length)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	280 offset++;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	281 String substring = getText().substring(box.offset, box.offset + offset);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	282 result.x = getTextUtilities().getStringExtents(substring, getFont()).width;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	283 } else {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	284 TextLayout layout = FlowUtilities.getTextLayout();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	285 layout.setFont(getFont());
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	286 String fragString = getBidiSubstring(box, index);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	287 layout.setText(fragString);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	288 offset += getBidiPrefixLength(box, index);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	289 result.x = layout.getLocation(offset, trailing).x;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	290 if (isMirrored())
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	291 result.x = box.width - result.x;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	292 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	293 result.x += box.getX();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	294 return result;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	295 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	296
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	297 int getDescent() {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	298 return getTextUtilities().getDescent(getFont());
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	299 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	300
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	301 /**
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	302 * Returns the minimum character offset which is on the given baseline y-coordinate. The y
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	303 * location should be relative to this figure. The return value will be between
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	304 * 0 and N-1. If no fragment is located on the baseline, <code>-1</code> is returned.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	305 * @since 3.1
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	306 * @param baseline the relative baseline coordinate
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	307 * @return -1 or the lowest offset for the line
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	308 */
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	309 public int getFirstOffsetForLine(int baseline) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	310 TextFragmentBox box;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	311 List fragments = getFragmentsWithoutBorder();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	312 for (int i = 0; i < fragments.size(); i++) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	313 box = cast(TextFragmentBox)fragments.get(i);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	314 if (baseline is box.getBaseline())
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	315 return box.offset;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	316 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	317 return -1;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	318 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	319
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	320 /**
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	321 * Returns the <code>TextFragmentBox</code> fragments contained in this TextFlow, not
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	322 * including the border fragments. The returned list should not be modified.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	323 * @return list of fragments without the border fragments
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	324 * @since 3.4
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	325 */
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	326 protected List getFragmentsWithoutBorder() {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	327 List fragments = getFragments();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	328 if (getBorder() !is null)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	329 fragments = fragments.subList(1, fragments.size() - 1);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	330 return fragments;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	331 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	332
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	333 /**
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	334 * Returns the maximum offset for a character which is on the given baseline y-coordinate.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	335 * The y location should be relative to this figure. The return value will be between
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	336 * 0 and N-1. If no fragment is located on the baseline, <code>-1</code> is returned.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	337 * @since 3.1
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	338 * @param baseline the relative baseline coordinate
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	339 * @return -1 or the highest offset at the given baseline
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	340 */
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	341 public int getLastOffsetForLine(int baseline) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	342 TextFragmentBox box;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	343 List fragments = getFragmentsWithoutBorder();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	344 for (int i = fragments.size() - 1; i >= 0; i--) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	345 box = cast(TextFragmentBox)fragments.get(i);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	346 if (baseline is box.getBaseline())
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	347 return box.offset + box.length - 1;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	348 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	349 return -1;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	350 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	351
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	352 /**
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	353 * Returns the offset nearest the given point either up or down one line. If no offset
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	354 * is found, -1 is returned. <code>trailing[0]</code> will be set to 1 if the reference
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	355 * point is closer to the trailing edge of the offset than it is to the leading edge.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	356 * @since 3.1
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	357 * @param p a reference point
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	358 * @param down <code>true</code> if the search is down
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	359 * @param trailing an int array
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	360 * @return the next offset or <code>-1</code>
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	361 */
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	362 public int getNextOffset(Point p, bool down, int[] trailing) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	363 return down ? findNextLineOffset(p, trailing) : findPreviousLineOffset(p, trailing);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	364 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	365
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	366 /**
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	367 * Returns the next offset which is visible in at least one fragment or -1 if there is
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	368 * not one. A visible offset means that the character or the one preceding it is
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	369 * displayed, which implies that a caret can be positioned at such an offset. This is
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	370 * useful for advancing a caret past characters which resulted in a line wrap.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	371 *
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	372 * @param offset the reference offset
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	373 * @return the next offset which is visible
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	374 * @since 3.1
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	375 */
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	376 public int getNextVisibleOffset(int offset) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	377 TextFragmentBox box;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	378 List fragments = getFragmentsWithoutBorder();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	379 for (int i = 0; i < fragments.size(); i++) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	380 box = cast(TextFragmentBox)fragments.get(i);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	381 if (box.offset + box.length <= offset)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	382 continue;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	383 return Math.max(box.offset, offset + 1);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	384 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	385 return -1;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	386 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	387
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	388 /**
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	389 * Returns the offset of the character directly below or nearest the given location. The
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	390 * point must be relative to this figure. The return value will be between 0 and N-1. If
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	391 * the proximity argument is not <code>null</code>, the result may also be <code>-1</code>
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	392 * if no offset was found within the proximity.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	393 * <P>
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	394 * For a typical character, the trailing argument will be filled in to indicate whether
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	395 * the point is closer to the leading edge (0) or the trailing edge (1). When the point
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	396 * is over a cluster composed of multiple characters, the trailing argument will be filled
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	397 * with the position of the character in the cluster that is closest to the point.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	398 * <P>
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	399 * If the proximity argument is not <code>null</code>, then the location may be no further
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	400 * than the proximity given. Passing <code>null</code> is equivalent to passing <code>new
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	401 * Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE)</code>. The <code>width</code> field of
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	402 * the proximity will contain the horizontal distance, <code>height</code> will contain
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	403 * vertical. Vertical proximity is more important than horizontal. The returned offset is
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	404 * the lowest index with minimum vertical proximity not exceeding the given limit, with
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	405 * horizontal proximity not exceeding the given limit. If an offset that is within the
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	406 * proximity is found, then the given <code>Dimension</code> will be updated to reflect
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	407 * the new proximity.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	408 *
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	409 *
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	410 * @since 3.1
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	411 * @param p the point relative to this figure
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	412 * @param trailing the trailing buffer
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	413 * @param proximity restricts and records the distance of the returned offset
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	414 * @return the nearest offset in this figure's text
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	415 */
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	416 public int getOffset(Point p, int trailing[], Dimension proximity) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	417 if (proximity is null)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	418 proximity = new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	419 TextFragmentBox closestBox = null;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	420 int index = 0;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	421 int dy;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	422 int dx;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	423 int i = 0;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	424 int size = fragments.size();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	425 if (null !is cast(FlowBorder)getBorder() ) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	426 i++;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	427 size--;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	428 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	429 for (; i < size; i++) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	430 TextFragmentBox box = cast(TextFragmentBox)fragments.get(i);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	431 dy = vDistanceBetween(box, p.y);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	432 if (dy > proximity.height)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	433 continue;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	434 dx = hDistanceBetween(box, p.x);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	435 if (dy is proximity.height && dx >= proximity.width)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	436 continue;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	437 proximity.height = dy;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	438 proximity.width = dx;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	439 closestBox = box;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	440 index = i;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	441 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	442 return findOffset(p, trailing, closestBox, index);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	443 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	444
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	445 /**
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	446 * Returns the previous offset which is visible in at least one fragment or -1 if there
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	447 * is not one. See {@link #getNextVisibleOffset(int)} for more.
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	448 *
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	449 * @param offset a reference offset
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	450 * @return -1 or the previous offset which is visible
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	451 * @since 3.1
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	452 */
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	453
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	454 public int getPreviousVisibleOffset(int offset) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	455 TextFragmentBox box;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	456 if (offset is -1)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	457 offset = Integer.MAX_VALUE;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	458 List fragments = getFragmentsWithoutBorder();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	459 for (int i = fragments.size() - 1; i >= 0; i--) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	460 box = cast(TextFragmentBox)fragments.get(i);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	461 if (box.offset >= offset)
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	462 continue;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	463 return Math.min(box.offset + box.length, offset - 1);
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	464 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	465 return -1;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	466 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	467
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	468 /**
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	469 * @return the String being displayed; will not be <code>null</code>
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	470 */
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	471 public String getText() {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	472 return text;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	473 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	474
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	475 int getVisibleAscent() {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	476 if (null !is cast(FlowBorder)getBorder() ) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	477 FlowBorder border = cast(FlowBorder)getBorder();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	478 return border.getInsets(this).top + getAscent();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	479 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	480 return getAscent();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	481 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	482
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	483 int getVisibleDescent() {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	484 if (null !is cast(FlowBorder)getBorder() ) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	485 FlowBorder border = cast(FlowBorder)getBorder();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	486 return border.getInsets(this).bottom + getDescent();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	487 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	488 return getDescent();
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	489 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	490
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	491 private int hDistanceBetween(TextFragmentBox box, int x) {
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	492 if (x < box.getX())
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	493 return box.getX() - x;
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	494 return Math.max(0, x - (box.getX() + box.getWidth()));
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	495 }
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	496
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	497 /**
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	498 * Returns <code>true</code> if a portion if the text is truncated using ellipses ("...").
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	499 * @return <code>true</code> if the text is truncated with ellipses
95307ad235d9 Added Draw2d code, still work in progress Frank Benoit <benoit@tionex.de> parents: diff changeset	500 */

98

95307ad235d9 Added Draw2d code, still work in progress