org.eclipse.swt.snippets.Snippet289 source code

1 #!/usr/bin/env dub
2 /+
3 dub.sdl:
4     name "snippet289"
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.Snippet289;
49 
50 /*
51  * Combo example snippet: add an item to a combo box
52  *
53  * For a list of all SWT example snippets see
54  * http://www.eclipse.org/swt/snippets/
55  */
56 import org.eclipse.swt.SWT;
57 import org.eclipse.swt.events.TraverseListener;
58 import org.eclipse.swt.events.VerifyListener;
59 import org.eclipse.swt.graphics.Point;
60 import org.eclipse.swt.layout.FillLayout;
61 import org.eclipse.swt.widgets.Combo;
62 import org.eclipse.swt.widgets.Display;
63 import org.eclipse.swt.widgets.Shell;
64 import java.lang.all;
65 
66 void main() {
67     Display display = new Display();
68     Shell shell = new Shell(display);
69     shell.setLayout(new FillLayout());
70     Combo combo = new Combo(shell, SWT.NONE);
71     combo.setItems(["1111", "2222", "3333", "4444"]);
72     combo.setText(combo.getItem(0));
73     combo.addVerifyListener(new class VerifyListener{
74         public void verifyText(VerifyEvent e) {
75             String newText = e.text;
76             try {
77                 Integer.parseInt(newText);
78             } catch (NumberFormatException ex) {
79                 e.doit = false;
80             }
81         }
82     });
83     combo.addTraverseListener(new class TraverseListener {
84         public void keyTraversed(TraverseEvent e) {
85             if (e.detail == SWT.TRAVERSE_RETURN) {
86                 e.doit = false;
87                 e.detail = SWT.TRAVERSE_NONE;
88                 String newText = combo.getText();
89                 try {
90                     Integer.parseInt(newText);
91                     combo.add(newText);
92                     combo.setSelection(new Point(0, cast(int)newText.length));
93                 } catch (NumberFormatException ex) {
94                 }
95             }
96         }
97     });
98 
99     shell.pack();
100     shell.open();
101     while (!shell.isDisposed()) {
102         if (!display.readAndDispatch())
103             display.sleep();
104     }
105     display.dispose();
106 }