--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet212.d	Sun Mar 22 15:17:04 2009 +0100
@@ -0,0 +1,204 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2004 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ * Port to the D programming language:
+ *     yidabu at gmail dot com  ( D China http://www.d-programming-language-china.org/ )
+ *******************************************************************************/
+/*
+Unhandled Exception: EXCEPTION_ACCESS_VIOLATION(0xc0000005) at ntdll.dll (0x7c90316c) thread(1480)
+->us
+#0 ?? () at org.eclipse.swt\graphics\TextLayout.d:2915 from ntdll.dll
+#1 0x77f205bf in ?? () at org.eclipse.swt\graphics\TextLayout.d:2915 from GDI32.dll
+#2 0x00483c72 in  org.eclipse.swt.graphics.TextLayout.TextLayout.shape () at dwt\graphics\TextLayout.d:2915
+#3 0x0047bfff in  org.eclipse.swt.graphics.TextLayout.TextLayout.computeRuns () at dwt\graphics\TextLayout.d:267
+#4 0x00480474 in  org.eclipse.swt.graphics.Rectangle.Rectangle dwt.graphics.TextLayout.TextLayout.getBounds () at dwt\graphics\TextLayout.d:1387
+#5 0x00411ea7 in  org.eclipse.swt.graphics.Point.Point dwt.custom.StyledText.StyledText.computeSize () at dwt\custom\StyledText.d:1784
+#6 0x0041f24b in  org.eclipse.swt.layout.GridData.GridData.computeSize () at dwt\layout\GridData.d:484
+#7 0x0043258f in  org.eclipse.swt.graphics.Point.Point dwt.layout.GridLayout.GridLayout.layout () at dwt\layout\GridLayout.d:232
+#8 0x00432325 in  org.eclipse.swt.layout.GridLayout.GridLayout.layout () at dwt\layout\GridLayout.d:208
+#9 0x004999af in  org.eclipse.swt.widgets.Composite.Composite.updateLayout () at dwt\widgets\Composite.d:1170
+#10 0x00498eba in  org.eclipse.swt.widgets.Composite.Composite.sendResize () at dwt\widgets\Composite.d:879
+#11 0x00499053 in  org.eclipse.swt.widgets.Composite.Composite.setBounds () at dwt\widgets\Composite.d:924
+#12 0x004d959d in  org.eclipse.swt.widgets.Decorations.Decorations.setBounds () at dwt\widgets\Decorations.d:888
+#13 0x0042f9a2 in  org.eclipse.swt.widgets.Shell.Shell.setBounds () at dwt\widgets\Shell.d:1460
+#14 0x004733f3 in  org.eclipse.swt.widgets.Control.Control.setBounds () at dwt\widgets\Control.d:2639
+#15 0x00473d27 in  org.eclipse.swt.widgets.Control.Control.setSize () at dwt\widgets\Control.d:3153
+#16 0x004042c8 in _Dmain () at Snippet212.d:171
+#17 0x00645778 in extern (C) int dmain2.main(int, char**) . void runMain(void*) () from dmain2
+#18 0x006457af in extern (C) int dmain2.main(int, char**) . void runAll(void*) () from dmain2
+#19 0x006454f0 in _main () from dmain2
+#20 0x0065f801 in _mainCRTStartup () from constart
+#21 0x7c816fd7 in ?? () from KERNEL32.dll
+*/
+module org.eclipse.swt.snippets.Snippet212;
+/**
+ * StyledText snippet: embed images
+ *
+ * For a list of all SWT example snippets see
+ * http://www.eclipse.org/swt/snippets/
+ * 
+ * @since 3.2
+ */
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.custom.StyledText;
+import org.eclipse.swt.custom.StyleRange;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.FileDialog;
+import org.eclipse.swt.widgets.Event;
+import org.eclipse.swt.widgets.Listener;
+import org.eclipse.swt.custom.PaintObjectEvent;
+import org.eclipse.swt.custom.PaintObjectListener;
+import org.eclipse.swt.events.VerifyEvent;
+import org.eclipse.swt.events.VerifyListener;
+import org.eclipse.swt.graphics.FontData;
+import org.eclipse.swt.graphics.Font;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.GlyphMetrics;
+import java.lang.all;
+
+const char[] OBJ_MARKER = "\uFFFC";
+
+void main() {
+    static StyledText styledText;
+    static String text = 
+        "This snippet shows how to embed images in a StyledText.\n"
+        "Here is one: " ~ OBJ_MARKER ~ ", and here is another: " ~ OBJ_MARKER ~ "."
+        "Use the add button to add an image from your filesystem to the StyledText at the current caret offset.";
+    static Image[] images;
+    static int[] offsets;
+
+    static void addImage(Image image, int offset) {
+        StyleRange style = new StyleRange ();
+        style.start = offset;
+        style.length = OBJ_MARKER.length;
+        Rectangle rect = image.getBounds();
+        style.metrics = new GlyphMetrics(rect.height, 0, rect.width);
+        styledText.setStyleRange(style);        
+    }
+
+    Display display = new Display();
+    Shell shell = new Shell(display);
+    shell.setLayout(new GridLayout());
+    styledText = new StyledText(shell, SWT.WRAP | DWT.BORDER);
+    styledText.setLayoutData(new GridData(SWT.FILL, DWT.FILL, true, true));
+    styledText.setText(text);
+    images = [
+        display.getSystemImage(SWT.ICON_QUESTION),
+        display.getSystemImage(SWT.ICON_INFORMATION)
+    ];
+    offsets = new int[images.length];
+    int lastOffset = 0;
+    for (int i = 0; i < images.length; i++) {
+        int offset = text.indexOf(OBJ_MARKER, lastOffset);
+        offsets[i] = offset;
+        addImage(images[i], offset);
+        lastOffset = offset + 1;
+    }
+    
+    void onVerify(Event e) {
+        int start = e.start;
+        int replaceCharCount = e.end - e.start;
+        int newCharCount = e.text.length;
+        for (int i = 0; i < offsets.length; i++) {
+            int offset = offsets[i];
+            if (start <= offset && offset < start + replaceCharCount) {
+                // this image is being deleted from the text
+                if (images[i] !is null && !images[i].isDisposed()) {
+                    images[i].dispose();
+                    images[i] = null;
+                }
+                offset = -1;
+            }
+            if (offset != -1 && offset >= start) offset += newCharCount - replaceCharCount;
+            offsets[i] = offset;
+        }
+    }    
+    // use a verify listener to keep the offsets up to date
+    styledText.addListener(SWT.Verify, dgListener(&onVerify));
+
+    styledText.addPaintObjectListener(new class(images, offsets) PaintObjectListener {
+        Image[] images;
+        int[] offsets;
+        this( Image[] images_, int[] offsets_) {
+            this.images = images_;
+            this.offsets = offsets_;
+        }
+        public void paintObject(PaintObjectEvent event) {
+            GC gc = event.gc;
+            StyleRange style = event.style;
+            int start = style.start;
+            for (int i = 0; i < offsets.length; i++) {
+                int offset = offsets[i];
+                if (start == offset) {
+                    Image image = images[i];
+                    int x = event.x;
+                    int y = event.y + event.ascent - style.metrics.ascent;						
+                    gc.drawImage(image, x, y);
+                }
+            }
+        }
+    });    
+    
+    Button button = new Button (shell, SWT.PUSH);
+    button.setText("Add Image");
+    button.setLayoutData(new GridData(SWT.CENTER, DWT.CENTER, false, false));
+    
+    void onSelection(Event e) {
+       FileDialog dialog = new FileDialog(shell);
+        String filename = dialog.open();
+        if (filename !is null) {
+            try {
+                Image image = new Image(display, filename);
+                int offset = styledText.getCaretOffset();
+                styledText.replaceTextRange(offset, 0, OBJ_MARKER);
+                int index = 0;
+                while (index < offsets.length) {
+                    if (offsets[index] == -1 && images[index] is null) break;
+                    index++;
+                }
+                if (index == offsets.length) {
+                    int[] tmpOffsets = new int[index + 1];
+                    System.arraycopy(offsets, 0, tmpOffsets, 0, offsets.length);
+                    offsets = tmpOffsets;
+                    Image[] tmpImages = new Image[index + 1];
+                    System.arraycopy(images, 0, tmpImages, 0, images.length);
+                    images = tmpImages;
+                }
+                offsets[index] = offset;
+                images[index] = image;
+                addImage(image, offset);
+            } catch (Exception e) {
+                ExceptionPrintStackTrace(e);
+            }
+        }
+    }
+    button.addListener(SWT.Selection, dgListener(&onSelection));
+    shell.setSize(400, 400);
+    shell.open();
+    while (!shell.isDisposed()) {
+        if (!display.readAndDispatch())
+            display.sleep();
+    }
+    for (int i = 0; i < images.length; i++) {
+        Image image = images[i];
+        if (image !is null && !image.isDisposed()) {
+            image.dispose();
+        }
+    }
+    display.dispose();
+
+}
+