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comparison snippets/display/Snippet68.d @ 132:104f5ed240fc

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More snippets from TomD, thanks!
author Frank Benoit <benoit@tionex.de>
date Tue, 29 Jul 2008 01:50:10 +0200
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130:5c1906bfc206 132:104f5ed240fc
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 * D Port:
11 * Thomas Demmer <t_demmer AT web DOT de>
12 *******************************************************************************/
13 module display.Snippet68;
14
15 /*
16 * Display example snippet: stop a repeating timer when a button is pressed
17 *
18 * For a list of all DWT example snippets see
19 * http://www.eclipse.org/swt/snippets/
20 */
21 import dwt.DWT;
22 import dwt.graphics.Color;
23 import dwt.widgets.Button;
24 import dwt.widgets.Display;
25 import dwt.widgets.Event;
26 import dwt.widgets.Label;
27 import dwt.widgets.Listener;
28 import dwt.widgets.Shell;
29
30 import dwt.dwthelper.utils;
31 import dwt.dwthelper.Runnable;
32
33 import dwt.layout.RowData;
34 import dwt.layout.RowLayout;
35
36 void main (String [] args) {
37 Display display = new Display ();
38 final Color red = display.getSystemColor (DWT.COLOR_RED);
39 final Color blue = display.getSystemColor (DWT.COLOR_BLUE);
40 Shell shell = new Shell (display);
41 shell.setLayout (new RowLayout ());
42 Button button = new Button (shell, DWT.PUSH);
43 button.setText ("Stop Timer");
44 final Label label = new Label (shell, DWT.BORDER);
45 label.setBackground (red);
46 final int time = 500;
47 Runnable timer;
48 timer = dgRunnable({
49 if (label.isDisposed ()) return;
50 Color color = label.getBackground ().opEquals (red) ? blue : red;
51 label.setBackground (color);
52 display.timerExec (time, timer);
53 });
54 display.timerExec (time, timer);
55 button.addListener (DWT.Selection, dgListener( (Event event) {
56 display.timerExec (-1, timer);
57 }));
58 button.pack ();
59 label.setLayoutData (new RowData (button.getSize ()));
60 shell.pack ();
61 shell.open ();
62 while (!shell.isDisposed ()) {
63 if (!display.readAndDispatch ()) display.sleep ();
64 }
65 display.dispose ();
66 }
67