Mercurial > projects > dwt-samples

annotate snippets/button/Snippet294.d @ 114:0de3dab4d6e1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add buttons snippets. Thanks TomD.
author Frank Benoit <benoit@tionex.de>
date Fri, 11 Jul 2008 21:10:38 +0200
parents
children 8cdaac0dc743
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
114
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1 /*******************************************************************************
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
2 * Copyright (c) 2000, 2008 IBM Corporation and others.
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
3 * All rights reserved. This program and the accompanying materials
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
4 * are made available under the terms of the Eclipse Public License v1.0
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
5 * which accompanies this distribution, and is available at
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
6 * http://www.eclipse.org/legal/epl-v10.html
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
7 *
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
8 * Contributors:
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
9 * IBM Corporation - initial API and implementation
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
10 * D Port:
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
11 * Thomas Demmer <t_demmer AT web DOT de>
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
12 *******************************************************************************/
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
13 module button.Snippet294;
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
14
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
15 /* Port OK */
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
16 import dwt.DWT;
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
17 import dwt.graphics.Image;
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
18 import dwt.graphics.Region;
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
19 import dwt.layout.FillLayout;
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
20 import dwt.widgets.Button;
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
21 import dwt.widgets.Display;
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
22 import dwt.widgets.Event;
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
23 import dwt.widgets.Listener;
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
24 import dwt.widgets.Shell;
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
25
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
26 import dwt.dwthelper.utils;
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
27 import tango.util.Convert;
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
28
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
29 void main(String[] args){
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
30 Snippet294.main(args);
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
31 }
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
32
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
33 /*
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
34 * Region on a control: create a non-rectangular button
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
35 *
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
36 * For a list of all SWT example snippets see
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
37 * http://www.eclipse.org/swt/snippets/
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
38 *
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
39 * @since 3.4
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
40 */
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
41
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
42 public class Snippet294 {
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
43
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
44 static int[] circle(int r, int offsetX, int offsetY) {
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
45 int[] polygon = new int[8 * r + 4];
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
46 // x^2 + y^2 = r^2
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
47 for (int i = 0; i < 2 * r + 1; i++) {
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
48 int x = i - r;
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
49 int y = cast(int)Math.sqrt(cast(real)(r*r - x*x));
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
50 polygon[2*i] = offsetX + x;
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
51 polygon[2*i+1] = offsetY + y;
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
52 polygon[8*r - 2*i - 2] = offsetX + x;
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
53 polygon[8*r - 2*i - 1] = offsetY - y;
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
54 }
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
55 return polygon;
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
56 }
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
57
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
58 public static void main(String[] args) {
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
59 Display display = new Display();
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
60 Shell shell = new Shell(display);
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
61 shell.setText("Regions on a Control");
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
62 shell.setLayout(new FillLayout());
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
63 shell.setBackground(display.getSystemColor(DWT.COLOR_DARK_RED));
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
64
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
65 Button b2 = new Button(shell, DWT.PUSH);
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
66 b2.setText("Button with Regions");
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
67
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
68 // define a region that looks like a circle with two holes in ot
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
69 Region region = new Region();
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
70 region.add(circle(67, 87, 77));
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
71 region.subtract(circle(20, 87, 47));
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
72 region.subtract(circle(20, 87, 113));
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
73
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
74 // define the shape of the button using setRegion
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
75 b2.setRegion(region);
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
76 b2.setLocation(100,50);
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
77
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
78 b2.addListener(DWT.Selection, new class() Listener {
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
79 public void handleEvent(Event e) {
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
80 shell.close();
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
81 }
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
82 });
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
83
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
84 shell.setSize(200,200);
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
85 shell.open();
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
86
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
87 while (!shell.isDisposed()) {
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
88 if (!display.readAndDispatch())
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
89 display.sleep();
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
90 }
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
91 region.dispose();
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
92 display.dispose();
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
93 }
0de3dab4d6e1 Add buttons snippets. Thanks TomD.
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
94 }