org.eclipse.swt.snippets.Snippet268 source code

1 #!/usr/bin/env dub
2 /+
3 dub.sdl:
4     name "snippet268"
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, 2004 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.Snippet268;
49   
50 /*
51  * UI Automation (for testing tools) snippet: post mouse wheel events to a styled text
52  *
53  * For a list of all SWT example snippets see
54  * http://www.eclipse.org/swt/snippets/
55  * 
56  * @since 3.0
57  */
58 import org.eclipse.swt.SWT;
59 import org.eclipse.swt.widgets.Display;
60 import org.eclipse.swt.widgets.Event;
61 import org.eclipse.swt.widgets.Listener;
62 import org.eclipse.swt.widgets.Shell;
63 
64 import java.lang.all;
65 
66 import org.eclipse.swt.custom.StyledText;
67 import org.eclipse.swt.graphics.Point;
68 import org.eclipse.swt.layout.FillLayout;
69 
70 version(Tango){
71     import tango.io.Stdout;
72     import tango.util.Convert;
73 } else { // Phobos
74     import std.stdio;
75     import std.conv;
76 }
77 
78 void main(String[] args) {
79     Display display = new Display();
80     Shell shell = new Shell(display);
81     shell.setLayout(new FillLayout());
82     StyledText styledText = new StyledText(shell, SWT.V_SCROLL);
83     String multiLineString = "";
84     for (int i = 0; i < 200; i++) {
85         multiLineString ~= "This is line number " ~ to!(String)(i) ~
86             " in the multi-line string.\n";
87     }
88     styledText.setText(multiLineString);
89     shell.setSize(styledText.computeSize(SWT.DEFAULT, 400));
90     shell.open();
91     styledText.addListener(SWT.MouseWheel, dgListener( (Event e){
92         version(Tango){
93             Stdout.formatln("Mouse Wheel event {}\n", e);
94             Stdout.flush();
95         } else {
96             writefln("Mouse Wheel event %s", e);
97         }
98     }));
99     bool disposed = false;
100     Point pt = display.map(shell, null, 50, 50);
101     Thread thread = new Thread({
102         Event event;
103         for (int i = 0; i < 50; i++) {
104             event = new Event();
105             event.type = SWT.MouseWheel;
106             event.detail = SWT.SCROLL_LINE;
107             event.x = pt.x;
108             event.y = pt.y;
109             event.count = -2;
110             if (disposed) return;
111             display.syncExec(new class Runnable {
112                 override void run() {
113                     display.post(event);
114                 }
115             });
116             try {
117                 Thread.sleep(400);
118             } catch (InterruptedException e) {}
119         }
120         version(Tango){
121             Stdout("Thread done\n").flush(); 
122         } else {
123             writeln("Thread done");
124         }
125     });
126   
127     thread.start();
128     while (!shell.isDisposed()) {
129         if (!display.readAndDispatch()) display.sleep();
130     }
131     disposed = true;
132     thread.join();
133     display.dispose();
134 }