Mercurial > projects > dwt2
annotate org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet212.d @ 112:9f4c18c268b2
Update to compile and execute with dmd 2.052.
| author | kntroh |
|---|---|
| date | Wed, 16 Mar 2011 21:53:53 +0900 |
| parents | 4e5843b771cc |
| children | 536e43f63c81 |
| rev | line source |
|---|---|
| 28 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2004 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 * yidabu at gmail dot com ( D China http://www.d-programming-language-china.org/ ) | |
| 12 *******************************************************************************/ | |
| 13 /* | |
| 14 Unhandled Exception: EXCEPTION_ACCESS_VIOLATION(0xc0000005) at ntdll.dll (0x7c90316c) thread(1480) | |
| 15 ->us | |
| 16 #0 ?? () at org.eclipse.swt\graphics\TextLayout.d:2915 from ntdll.dll | |
| 17 #1 0x77f205bf in ?? () at org.eclipse.swt\graphics\TextLayout.d:2915 from GDI32.dll | |
| 18 #2 0x00483c72 in org.eclipse.swt.graphics.TextLayout.TextLayout.shape () at dwt\graphics\TextLayout.d:2915 | |
| 19 #3 0x0047bfff in org.eclipse.swt.graphics.TextLayout.TextLayout.computeRuns () at dwt\graphics\TextLayout.d:267 | |
| 20 #4 0x00480474 in org.eclipse.swt.graphics.Rectangle.Rectangle dwt.graphics.TextLayout.TextLayout.getBounds () at dwt\graphics\TextLayout.d:1387 | |
| 21 #5 0x00411ea7 in org.eclipse.swt.graphics.Point.Point dwt.custom.StyledText.StyledText.computeSize () at dwt\custom\StyledText.d:1784 | |
| 22 #6 0x0041f24b in org.eclipse.swt.layout.GridData.GridData.computeSize () at dwt\layout\GridData.d:484 | |
| 23 #7 0x0043258f in org.eclipse.swt.graphics.Point.Point dwt.layout.GridLayout.GridLayout.layout () at dwt\layout\GridLayout.d:232 | |
| 24 #8 0x00432325 in org.eclipse.swt.layout.GridLayout.GridLayout.layout () at dwt\layout\GridLayout.d:208 | |
| 25 #9 0x004999af in org.eclipse.swt.widgets.Composite.Composite.updateLayout () at dwt\widgets\Composite.d:1170 | |
| 26 #10 0x00498eba in org.eclipse.swt.widgets.Composite.Composite.sendResize () at dwt\widgets\Composite.d:879 | |
| 27 #11 0x00499053 in org.eclipse.swt.widgets.Composite.Composite.setBounds () at dwt\widgets\Composite.d:924 | |
| 28 #12 0x004d959d in org.eclipse.swt.widgets.Decorations.Decorations.setBounds () at dwt\widgets\Decorations.d:888 | |
| 29 #13 0x0042f9a2 in org.eclipse.swt.widgets.Shell.Shell.setBounds () at dwt\widgets\Shell.d:1460 | |
| 30 #14 0x004733f3 in org.eclipse.swt.widgets.Control.Control.setBounds () at dwt\widgets\Control.d:2639 | |
| 31 #15 0x00473d27 in org.eclipse.swt.widgets.Control.Control.setSize () at dwt\widgets\Control.d:3153 | |
| 32 #16 0x004042c8 in _Dmain () at Snippet212.d:171 | |
| 33 #17 0x00645778 in extern (C) int dmain2.main(int, char**) . void runMain(void*) () from dmain2 | |
| 34 #18 0x006457af in extern (C) int dmain2.main(int, char**) . void runAll(void*) () from dmain2 | |
| 35 #19 0x006454f0 in _main () from dmain2 | |
| 36 #20 0x0065f801 in _mainCRTStartup () from constart | |
| 37 #21 0x7c816fd7 in ?? () from KERNEL32.dll | |
| 38 */ | |
| 39 module org.eclipse.swt.snippets.Snippet212; | |
| 40 /** | |
| 41 * StyledText snippet: embed images | |
| 42 * | |
| 43 * For a list of all SWT example snippets see | |
| 44 * http://www.eclipse.org/swt/snippets/ | |
| 45 * | |
| 46 * @since 3.2 | |
| 47 */ | |
| 48 | |
| 49 import org.eclipse.swt.SWT; | |
| 50 import org.eclipse.swt.custom.StyledText; | |
| 51 import org.eclipse.swt.custom.StyleRange; | |
| 52 import org.eclipse.swt.layout.GridLayout; | |
| 53 import org.eclipse.swt.layout.GridData; | |
| 54 import org.eclipse.swt.widgets.Display; | |
| 55 import org.eclipse.swt.widgets.Shell; | |
| 56 import org.eclipse.swt.widgets.Button; | |
| 57 import org.eclipse.swt.widgets.FileDialog; | |
| 58 import org.eclipse.swt.widgets.Event; | |
| 59 import org.eclipse.swt.widgets.Listener; | |
| 60 import org.eclipse.swt.custom.PaintObjectEvent; | |
| 61 import org.eclipse.swt.custom.PaintObjectListener; | |
| 62 import org.eclipse.swt.events.VerifyEvent; | |
| 63 import org.eclipse.swt.events.VerifyListener; | |
| 64 import org.eclipse.swt.graphics.FontData; | |
| 65 import org.eclipse.swt.graphics.Font; | |
| 66 import org.eclipse.swt.graphics.Rectangle; | |
| 67 import org.eclipse.swt.graphics.GC; | |
| 68 import org.eclipse.swt.graphics.Image; | |
| 69 import org.eclipse.swt.graphics.GlyphMetrics; | |
| 70 import java.lang.all; | |
| 71 | |
| 112 | 72 const String OBJ_MARKER = "\uFFFC"; |
| 28 | 73 |
| 74 void main() { | |
| 75 static StyledText styledText; | |
| 76 static String text = | |
| 77 "This snippet shows how to embed images in a StyledText.\n" | |
| 78 "Here is one: " ~ OBJ_MARKER ~ ", and here is another: " ~ OBJ_MARKER ~ "." | |
| 79 "Use the add button to add an image from your filesystem to the StyledText at the current caret offset."; | |
| 80 static Image[] images; | |
| 81 static int[] offsets; | |
| 82 | |
| 83 static void addImage(Image image, int offset) { | |
| 84 StyleRange style = new StyleRange (); | |
| 85 style.start = offset; | |
| 86 style.length = OBJ_MARKER.length; | |
| 87 Rectangle rect = image.getBounds(); | |
| 88 style.metrics = new GlyphMetrics(rect.height, 0, rect.width); | |
| 89 styledText.setStyleRange(style); | |
| 90 } | |
| 91 | |
| 92 Display display = new Display(); | |
| 93 Shell shell = new Shell(display); | |
| 94 shell.setLayout(new GridLayout()); | |
|
29
4e5843b771cc
First snippets buildable on windows
Frank Benoit <benoit@tionex.de>
parents:
28
diff
changeset
|
95 styledText = new StyledText(shell, SWT.WRAP | SWT.BORDER); |
|
4e5843b771cc
First snippets buildable on windows
Frank Benoit <benoit@tionex.de>
parents:
28
diff
changeset
|
96 styledText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); |
| 28 | 97 styledText.setText(text); |
| 98 images = [ | |
| 99 display.getSystemImage(SWT.ICON_QUESTION), | |
| 100 display.getSystemImage(SWT.ICON_INFORMATION) | |
| 101 ]; | |
| 102 offsets = new int[images.length]; | |
| 103 int lastOffset = 0; | |
| 104 for (int i = 0; i < images.length; i++) { | |
| 105 int offset = text.indexOf(OBJ_MARKER, lastOffset); | |
| 106 offsets[i] = offset; | |
| 107 addImage(images[i], offset); | |
| 108 lastOffset = offset + 1; | |
| 109 } | |
| 110 | |
| 111 void onVerify(Event e) { | |
| 112 int start = e.start; | |
| 113 int replaceCharCount = e.end - e.start; | |
| 114 int newCharCount = e.text.length; | |
| 115 for (int i = 0; i < offsets.length; i++) { | |
| 116 int offset = offsets[i]; | |
| 117 if (start <= offset && offset < start + replaceCharCount) { | |
| 118 // this image is being deleted from the text | |
| 119 if (images[i] !is null && !images[i].isDisposed()) { | |
| 120 images[i].dispose(); | |
| 121 images[i] = null; | |
| 122 } | |
| 123 offset = -1; | |
| 124 } | |
| 125 if (offset != -1 && offset >= start) offset += newCharCount - replaceCharCount; | |
| 126 offsets[i] = offset; | |
| 127 } | |
| 128 } | |
| 129 // use a verify listener to keep the offsets up to date | |
| 130 styledText.addListener(SWT.Verify, dgListener(&onVerify)); | |
| 131 | |
| 132 styledText.addPaintObjectListener(new class(images, offsets) PaintObjectListener { | |
| 133 Image[] images; | |
| 134 int[] offsets; | |
| 135 this( Image[] images_, int[] offsets_) { | |
| 136 this.images = images_; | |
| 137 this.offsets = offsets_; | |
| 138 } | |
| 139 public void paintObject(PaintObjectEvent event) { | |
| 140 GC gc = event.gc; | |
| 141 StyleRange style = event.style; | |
| 142 int start = style.start; | |
| 143 for (int i = 0; i < offsets.length; i++) { | |
| 144 int offset = offsets[i]; | |
| 145 if (start == offset) { | |
| 146 Image image = images[i]; | |
| 147 int x = event.x; | |
| 148 int y = event.y + event.ascent - style.metrics.ascent; | |
| 149 gc.drawImage(image, x, y); | |
| 150 } | |
| 151 } | |
| 152 } | |
| 153 }); | |
| 154 | |
| 155 Button button = new Button (shell, SWT.PUSH); | |
| 156 button.setText("Add Image"); | |
|
29
4e5843b771cc
First snippets buildable on windows
Frank Benoit <benoit@tionex.de>
parents:
28
diff
changeset
|
157 button.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false)); |
| 28 | 158 |
| 159 void onSelection(Event e) { | |
| 160 FileDialog dialog = new FileDialog(shell); | |
| 161 String filename = dialog.open(); | |
| 162 if (filename !is null) { | |
| 163 try { | |
| 164 Image image = new Image(display, filename); | |
| 165 int offset = styledText.getCaretOffset(); | |
| 166 styledText.replaceTextRange(offset, 0, OBJ_MARKER); | |
| 167 int index = 0; | |
| 168 while (index < offsets.length) { | |
| 169 if (offsets[index] == -1 && images[index] is null) break; | |
| 170 index++; | |
| 171 } | |
| 172 if (index == offsets.length) { | |
| 173 int[] tmpOffsets = new int[index + 1]; | |
| 174 System.arraycopy(offsets, 0, tmpOffsets, 0, offsets.length); | |
| 175 offsets = tmpOffsets; | |
| 176 Image[] tmpImages = new Image[index + 1]; | |
| 177 System.arraycopy(images, 0, tmpImages, 0, images.length); | |
| 178 images = tmpImages; | |
| 179 } | |
| 180 offsets[index] = offset; | |
| 181 images[index] = image; | |
| 182 addImage(image, offset); | |
| 183 } catch (Exception e) { | |
| 184 ExceptionPrintStackTrace(e); | |
| 185 } | |
| 186 } | |
| 187 } | |
| 188 button.addListener(SWT.Selection, dgListener(&onSelection)); | |
| 189 shell.setSize(400, 400); | |
| 190 shell.open(); | |
| 191 while (!shell.isDisposed()) { | |
| 192 if (!display.readAndDispatch()) | |
| 193 display.sleep(); | |
| 194 } | |
| 195 for (int i = 0; i < images.length; i++) { | |
| 196 Image image = images[i]; | |
| 197 if (image !is null && !image.isDisposed()) { | |
| 198 image.dispose(); | |
| 199 } | |
| 200 } | |
| 201 display.dispose(); | |
| 202 | |
| 203 } | |
| 204 |