Mercurial > projects > dwt-addons
annotate dwtx/jface/internal/text/TableOwnerDrawSupport.d @ 134:51e6e63f930e
Regex fix for casts
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 24 Aug 2008 01:46:20 +0200 |
| parents | 7d818bd32d63 |
| children | 000f9136b8f7 |
| rev | line source |
|---|---|
| 129 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2008 IBM Corporation and others. | |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 module dwtx.jface.internal.text.TableOwnerDrawSupport; | |
| 14 | |
| 131 | 15 import dwtx.jface.internal.text.NonDeletingPositionUpdater; // packageimport |
| 16 import dwtx.jface.internal.text.InternalAccessor; // packageimport | |
| 17 import dwtx.jface.internal.text.StickyHoverManager; // packageimport | |
| 18 import dwtx.jface.internal.text.InformationControlReplacer; // packageimport | |
| 19 import dwtx.jface.internal.text.DelayedInputChangeListener; // packageimport | |
| 20 | |
| 21 | |
| 129 | 22 import dwt.dwthelper.utils; |
| 23 | |
| 24 import dwt.DWT; | |
| 25 import dwt.custom.StyleRange; | |
| 26 import dwt.graphics.Color; | |
| 27 import dwt.graphics.GC; | |
| 28 import dwt.graphics.Image; | |
| 29 import dwt.graphics.Rectangle; | |
| 30 import dwt.graphics.TextLayout; | |
| 31 import dwt.widgets.Event; | |
| 32 import dwt.widgets.Listener; | |
| 33 import dwt.widgets.Table; | |
| 34 import dwt.widgets.TableItem; | |
| 35 | |
| 36 | |
| 37 /** | |
| 38 * Adds owner draw support for tables. | |
| 39 * | |
| 40 * @since 3.4 | |
| 41 */ | |
| 42 public class TableOwnerDrawSupport : Listener { | |
| 43 | |
| 44 private static final String STYLED_RANGES_KEY= "styled_ranges"; //$NON-NLS-1$ | |
| 45 | |
| 46 private TextLayout fLayout; | |
| 47 | |
| 48 public static void install(Table table) { | |
| 49 TableOwnerDrawSupport listener= new TableOwnerDrawSupport(table); | |
| 50 table.addListener(DWT.Dispose, listener); | |
| 51 table.addListener(DWT.MeasureItem, listener); | |
| 52 table.addListener(DWT.EraseItem, listener); | |
| 53 table.addListener(DWT.PaintItem, listener); | |
| 54 } | |
| 55 | |
| 56 /** | |
| 57 * Stores the styled ranges in the given table item. | |
| 58 * | |
| 59 * @param item table item | |
| 60 * @param column the column index | |
| 61 * @param ranges the styled ranges or <code>null</code> to remove them | |
| 62 */ | |
| 63 public static void storeStyleRanges(TableItem item, int column, StyleRange[] ranges) { | |
| 64 item.setData(STYLED_RANGES_KEY + column, ranges); | |
| 65 } | |
| 66 | |
| 67 /** | |
| 68 * Returns the styled ranges which are stored in the given table item. | |
| 69 * | |
| 70 * @param item table item | |
| 71 * @param column the column index | |
| 72 * @return the styled ranges | |
| 73 */ | |
| 74 private static StyleRange[] getStyledRanges(TableItem item, int column) { | |
| 75 return (StyleRange[])item.getData(STYLED_RANGES_KEY + column); | |
| 76 } | |
| 77 | |
|
133
7d818bd32d63
Fix ctors to this with gvim regexp
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
|
78 private this(Table table) { |
| 129 | 79 int orientation= table.getStyle() & (DWT.LEFT_TO_RIGHT | DWT.RIGHT_TO_LEFT); |
| 80 fLayout= new TextLayout(table.getDisplay()); | |
| 81 fLayout.setOrientation(orientation); | |
| 82 } | |
| 83 | |
| 84 /* | |
| 85 * @see dwt.widgets.Listener#handleEvent(dwt.widgets.Event) | |
| 86 */ | |
| 87 public void handleEvent(Event event) { | |
| 88 switch (event.type) { | |
| 89 case DWT.MeasureItem: | |
| 90 break; | |
| 91 case DWT.EraseItem: | |
| 92 event.detail &= ~DWT.FOREGROUND; | |
| 93 break; | |
| 94 case DWT.PaintItem: | |
| 95 performPaint(event); | |
| 96 break; | |
| 97 case DWT.Dispose: | |
| 98 widgetDisposed(); | |
| 99 break; | |
| 100 } | |
| 101 } | |
| 102 | |
| 103 /** | |
| 104 * Performs the paint operation. | |
| 105 * | |
| 106 * @param event the event | |
| 107 */ | |
| 108 private void performPaint(Event event) { | |
| 134 | 109 TableItem item= cast(TableItem) event.item; |
| 129 | 110 GC gc= event.gc; |
| 111 int index= event.index; | |
| 112 | |
| 113 bool isSelected= (event.detail & DWT.SELECTED) !is 0; | |
| 114 | |
| 115 // Remember colors to restore the GC later | |
| 116 Color oldForeground= gc.getForeground(); | |
| 117 Color oldBackground= gc.getBackground(); | |
| 118 | |
| 119 if (!isSelected) { | |
| 120 Color foreground= item.getForeground(index); | |
| 121 gc.setForeground(foreground); | |
| 122 | |
| 123 Color background= item.getBackground(index); | |
| 124 gc.setBackground(background); | |
| 125 } | |
| 126 | |
| 127 Image image=item.getImage(index); | |
| 128 if (image !is null) { | |
| 129 Rectangle imageBounds=item.getImageBounds(index); | |
| 130 Rectangle bounds=image.getBounds(); | |
| 131 int x=imageBounds.x + Math.max(0, (imageBounds.width - bounds.width) / 2); | |
| 132 int y=imageBounds.y + Math.max(0, (imageBounds.height - bounds.height) / 2); | |
| 133 gc.drawImage(image, x, y); | |
| 134 } | |
| 135 | |
| 136 fLayout.setFont(item.getFont(index)); | |
| 137 | |
| 138 // XXX: needed to clear the style info, see https://bugs.eclipse.org/bugs/show_bug.cgi?id=226090 | |
| 139 fLayout.setText(""); //$NON-NLS-1$ | |
| 140 | |
| 141 fLayout.setText(item.getText(index)); | |
| 142 | |
| 143 StyleRange[] ranges= getStyledRanges(item, index); | |
| 144 if (ranges !is null) { | |
| 145 for (int i= 0; i < ranges.length; i++) { | |
| 146 StyleRange curr= ranges[i]; | |
| 147 if (isSelected) { | |
| 134 | 148 curr= cast(StyleRange) curr.clone(); |
| 129 | 149 curr.foreground= null; |
| 150 curr.background= null; | |
| 151 } | |
| 152 fLayout.setStyle(curr, curr.start, curr.start + curr.length - 1); | |
| 153 } | |
| 154 } | |
| 155 | |
| 156 Rectangle textBounds=item.getTextBounds(index); | |
| 157 if (textBounds !is null) { | |
| 158 Rectangle layoutBounds=fLayout.getBounds(); | |
| 159 int x=textBounds.x; | |
| 160 int y=textBounds.y + Math.max(0, (textBounds.height - layoutBounds.height) / 2); | |
| 161 fLayout.draw(gc, x, y); | |
| 162 } | |
| 163 | |
| 164 if ((event.detail & DWT.FOCUSED) !is 0) { | |
| 165 Rectangle focusBounds=item.getBounds(); | |
| 166 gc.drawFocus(focusBounds.x, focusBounds.y, focusBounds.width, focusBounds.height); | |
| 167 } | |
| 168 | |
| 169 if (!isSelected) { | |
| 170 gc.setForeground(oldForeground); | |
| 171 gc.setBackground(oldBackground); | |
| 172 } | |
| 173 } | |
| 174 | |
| 175 private void widgetDisposed() { | |
| 176 fLayout.dispose(); | |
| 177 } | |
| 178 } | |
| 179 |