--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/snippets/shell/Snippet134.d	Sat May 10 13:32:45 2008 -0700
@@ -0,0 +1,111 @@
+/*******************************************************************************
+ * 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:
+ *     Frank Benoit <benoit@tionex.de>
+ *******************************************************************************/
+module snippets.shell.Snippet134;
+
+/*
+ * Shell example snippet: create a non-rectangular window
+ *
+ * For a list of all SWT example snippets see
+ * http://www.eclipse.org/swt/snippets/
+ *
+ * @since 3.0
+ */
+import dwt.DWT;
+import dwt.graphics.Region;
+import dwt.graphics.Point;
+import dwt.graphics.Rectangle;
+import dwt.widgets.Display;
+import dwt.widgets.Shell;
+import dwt.widgets.Button;
+import dwt.widgets.Listener;
+import dwt.widgets.Event;
+
+import dwt.dwthelper.utils;
+
+version(JIVE){
+    import jive.stacktrace;
+}
+
+int[] circle(int r, int offsetX, int offsetY) {
+    int[] polygon = new int[8 * r + 4];
+    //x^2 + y^2 = r^2
+    for (int i = 0; i < 2 * r + 1; i++) {
+        int x = i - r;
+        int y = cast(int)Math.sqrt( cast(float)(r*r - x*x));
+        polygon[2*i] = offsetX + x;
+        polygon[2*i+1] = offsetY + y;
+        polygon[8*r - 2*i - 2] = offsetX + x;
+        polygon[8*r - 2*i - 1] = offsetY - y;
+    }
+    return polygon;
+}
+
+Display display;
+Shell shell;
+
+void main(char[][] args) {
+    display = new Display();
+    //Shell must be created with style SWT.NO_TRIM
+    shell = new Shell(display, DWT.NO_TRIM | DWT.ON_TOP);
+    shell.setBackground(display.getSystemColor(DWT.COLOR_RED));
+    //define a region that looks like a key hole
+    Region region = new Region();
+    region.add(circle(67, 67, 67));
+    region.subtract(circle(20, 67, 50));
+    region.subtract([67, 50, 55, 105, 79, 105]);
+    //define the shape of the shell using setRegion
+    shell.setRegion(region);
+    Rectangle size = region.getBounds();
+    shell.setSize(size.width, size.height);
+    //add ability to move shell around
+    Listener l = new class Listener {
+        Point origin;
+        public void handleEvent(Event e) {
+            switch (e.type) {
+                case DWT.MouseDown:
+                    origin = new Point(e.x, e.y);
+                    break;
+                case DWT.MouseUp:
+                    origin = null;
+                    break;
+                case DWT.MouseMove:
+                    if (origin !is null) {
+                        Point p = display.map(shell, null, e.x, e.y);
+                        shell.setLocation(p.x - origin.x, p.y - origin.y);
+                    }
+                    break;
+            }
+        }
+    };
+    shell.addListener(DWT.MouseDown, l);
+    shell.addListener(DWT.MouseUp, l);
+    shell.addListener(DWT.MouseMove, l);
+    //add ability to close shell
+    Button b = new Button(shell, DWT.PUSH);
+    b.setBackground(shell.getBackground());
+    b.setText("close");
+    b.pack();
+    b.setLocation(10, 68);
+    b.addListener(DWT.Selection, new class Listener {
+        public void handleEvent(Event e) {
+            shell.close();
+        }
+    });
+    shell.open();
+    while (!shell.isDisposed()) {
+        if (!display.readAndDispatch())
+            display.sleep();
+    }
+    region.dispose();
+    display.dispose();
+}