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comparison snippets/control/Snippet214.d @ 119:9a1be6ff19a2

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More snippets, thanks to Tom D.
author Frank Benoit <benoit@tionex.de>
date Sun, 20 Jul 2008 15:26:06 +0200
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118:7b1c122b4128 119:9a1be6ff19a2
1 /*******************************************************************************
2 * Copyright (c) 2000, 2005 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 control.Snippet214;
14
15 /*
16 * Control example snippet: set a background image (a dynamic gradient)
17 *
18 * For a list of all SWT example snippets see
19 * http://www.eclipse.org/swt/snippets/
20 *
21 * @since 3.2
22 */
23 import dwt.DWT;
24
25 import dwt.graphics.GC;
26 import dwt.graphics.Image;
27 import dwt.graphics.Rectangle;
28 import dwt.layout.FillLayout;
29 import dwt.layout.RowLayout;
30 import dwt.widgets.Button;
31 import dwt.widgets.Display;
32 import dwt.widgets.Event;
33 import dwt.widgets.Group;
34 import dwt.widgets.Listener;
35 import dwt.widgets.Shell;
36 import dwt.layout.RowLayout;
37
38 import dwt.dwthelper.utils;
39
40 import tango.util.Convert;
41
42 static Image oldImage;
43 void main(String [] args) {
44 Display display = new Display ();
45 Shell shell = new Shell (display);
46 shell.setBackgroundMode (DWT.INHERIT_DEFAULT);
47 FillLayout layout1 = new FillLayout (DWT.VERTICAL);
48 layout1.marginWidth = layout1.marginHeight = 10;
49 shell.setLayout (layout1);
50 Group group = new Group (shell, DWT.NONE);
51 group.setText ("Group ");
52 RowLayout layout2 = new RowLayout (DWT.VERTICAL);
53 layout2.marginWidth = layout2.marginHeight = layout2.spacing = 10;
54 group.setLayout (layout2);
55 for (int i=0; i<8; i++) {
56 Button button = new Button (group, DWT.RADIO);
57 button.setText ("Button " ~ to!(char[])(i));
58 }
59 shell.addListener (DWT.Resize, new class() Listener {
60 public void handleEvent (Event event) {
61 Rectangle rect = shell.getClientArea ();
62 Image newImage = new Image (display, Math.max (1, rect.width), 1);
63 GC gc = new GC (newImage);
64 gc.setForeground (display.getSystemColor (DWT.COLOR_WHITE));
65 gc.setBackground (display.getSystemColor (DWT.COLOR_BLUE));
66 gc.fillGradientRectangle (rect.x, rect.y, rect.width, 1, false);
67 gc.dispose ();
68 shell.setBackgroundImage (newImage);
69 if (oldImage !is null) oldImage.dispose ();
70 oldImage = newImage;
71 }
72 });
73 shell.pack ();
74 shell.open ();
75 while (!shell.isDisposed ()) {
76 if (!display.readAndDispatch ()) display.sleep ();
77 }
78 if (oldImage !is null) oldImage.dispose ();
79 display.dispose ();
80 }
81