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comparison dwtsnippets/gc/Snippet66.d @ 50:6b88d308c210

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Ports of several gc Snippets: 10,66,207,215 215 has a crash bug currently.
author Bill Baxter <bill@billbaxter.com>
date Mon, 07 Apr 2008 01:21:04 +0900
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49:e1edfebec7fa 50:6b88d308c210
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 * Bill Baxter <bill@billbaxter.com>
12 *******************************************************************************/
13 module dwtsnippets.gc.Snippet66;
14
15 /*
16 * GC example snippet: implement a simple scribble program
17 *
18 * For a list of all SWT example snippets see
19 * http://www.eclipse.org/swt/snippets/
20 */
21 import dwt.DWT;
22 import dwt.graphics.GC;
23 import dwt.widgets.Display;
24 import dwt.widgets.Shell;
25 import dwt.widgets.Listener;
26 import dwt.widgets.Event;
27
28 void main () {
29 Display display = new Display ();
30 final Shell shell = new Shell (display);
31 Listener listener = new class() Listener {
32 int lastX = 0, lastY = 0;
33 public void handleEvent (Event event) {
34 switch (event.type) {
35 case DWT.MouseMove:
36 if ((event.stateMask & DWT.BUTTON1) == 0) break;
37 GC gc = new GC (shell);
38 gc.drawLine (lastX, lastY, event.x, event.y);
39 gc.dispose ();
40 //FALL THROUGH
41 case DWT.MouseDown:
42 lastX = event.x;
43 lastY = event.y;
44 break;
45 }
46 }
47 };
48 shell.addListener (DWT.MouseDown, listener);
49 shell.addListener (DWT.MouseMove, listener);
50 shell.open ();
51 while (!shell.isDisposed ()) {
52 if (!display.readAndDispatch ()) display.sleep ();
53 }
54 display.dispose ();
55 }
56