org.eclipse.swt.snippets.Snippet242 source code

1 #!/usr/bin/env dub
2 /+
3 dub.sdl:
4     name "snippet242"
5     dependency "dwt" path="../../../../../../"
6     libs \
7       "atk-1.0" \
8       "cairo" \
9       "dl" \
10       "fontconfig" \
11       "gdk-x11-2.0" \
12       "gdk_pixbuf-2.0" \
13       "glib-2.0" \
14       "gmodule-2.0" \
15       "gnomeui-2" \
16       "gnomevfs-2" \
17       "gobject-2.0" \
18       "gthread-2.0" \
19       "gtk-x11-2.0" \
20       "pango-1.0" \
21       "pangocairo-1.0" \
22       "X11" \
23       "Xcomposite" \
24       "Xcursor" \
25       "Xdamage" \
26       "Xext" \
27       "Xfixes" \
28       "Xi" \
29       "Xinerama" \
30       "Xrandr" \
31       "Xrender" \
32       "Xtst" \
33       platform="linux"
34 +/
35 
36 /*******************************************************************************
37  * Copyright (c) 2000, 2006 IBM Corporation and others.
38  * All rights reserved. This program and the accompanying materials
39  * are made available under the terms of the Eclipse Public License v1.0
40  * which accompanies this distribution, and is available at
41  * http://www.eclipse.org/legal/epl-v10.html
42  *
43  * Contributors:
44  *     IBM Corporation - initial API and implementation
45  * D Port:
46  *     Thomas Demmer <t_demmer AT web DOT de>
47  *******************************************************************************/
48 module org.eclipse.swt.snippets.Snippet242;
49 
50 /*
51  * Cursor snippet: Hide the Cursor over a control.
52  *
53  * For a list of all SWT example snippets see
54  * http://www.eclipse.org/swt/snippets/
55  */
56 
57 import org.eclipse.swt.SWT;
58 import org.eclipse.swt.events.PaintEvent;
59 import org.eclipse.swt.events.PaintListener;
60 import org.eclipse.swt.graphics.Color;
61 import org.eclipse.swt.graphics.Cursor;
62 import org.eclipse.swt.graphics.ImageData;
63 import org.eclipse.swt.graphics.PaletteData;
64 import org.eclipse.swt.widgets.Canvas;
65 import org.eclipse.swt.widgets.Display;
66 import org.eclipse.swt.widgets.Shell;
67 
68 import java.lang.all;
69 
70 void main(String [] args) {
71     Display display = new Display();
72     Shell shell = new Shell(display);
73     shell.setBounds(10, 10, 200, 200);
74     Canvas canvas = new Canvas(shell, SWT.BORDER);
75     canvas.setBounds(10,50,150,100);
76     canvas.addPaintListener(new class PaintListener{
77         public void paintControl(PaintEvent e) {
78             e.gc.drawString("hide Cursor here", 10, 10);
79         }
80     });
81 
82     // create a cursor with a transparent image
83     Color white = display.getSystemColor (SWT.COLOR_WHITE);
84     Color black = display.getSystemColor (SWT.COLOR_BLACK);
85     PaletteData palette = new PaletteData ([white.getRGB(), black.getRGB()]);
86     ImageData sourceData = new ImageData (16, 16, 1, palette);
87     sourceData.transparentPixel = 0;
88     Cursor cursor = new Cursor(display, sourceData, 0, 0);
89 
90     shell.open();
91     canvas.setCursor(cursor);
92     while (!shell.isDisposed()) {
93         if (!display.readAndDispatch()) display.sleep();
94     }
95     cursor.dispose();
96     display.dispose();
97 }
98