org.eclipse.swt.snippets.Snippet152 source code

1 #!/usr/bin/env dub
2 /+
3 dub.sdl:
4     name "snippet152"
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  * Port to the D programming language:
46  *     Bill Baxter <bill@billbaxter.com>
47  *******************************************************************************/
48 module org.eclipse.swt.snippets.Snippet152;
49 
50 /*
51  * Control example snippet: update a status line when an item is armed
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 
59 import org.eclipse.swt.SWT;
60 import org.eclipse.swt.widgets.Display;
61 import org.eclipse.swt.widgets.Shell;
62 import org.eclipse.swt.widgets.Event;
63 import org.eclipse.swt.widgets.Listener;
64 import org.eclipse.swt.widgets.Label;
65 import org.eclipse.swt.widgets.Menu;
66 import org.eclipse.swt.widgets.MenuItem;
67 import org.eclipse.swt.layout.FormLayout;
68 import org.eclipse.swt.layout.FormData;
69 import org.eclipse.swt.layout.FormAttachment;
70 import java.lang.all;
71 
72 void main() {
73     Display display = new Display();
74     Shell shell = new Shell(display);
75     FormLayout layout = new FormLayout();
76     shell.setLayout(layout);
77     Label label = new Label(shell, SWT.BORDER);
78     Listener armListener = new class Listener {
79         public void handleEvent(Event event) {
80             MenuItem item = cast(MenuItem) event.widget;
81             label.setText(item.getText());
82             label.update();
83         }
84     };
85     Listener showListener = new class Listener {
86         public void handleEvent(Event event) {
87             Menu menu = cast(Menu) event.widget;
88             MenuItem item = menu.getParentItem();
89             if (item !is null) {
90                 label.setText(item.getText());
91                 label.update();
92             }
93         }
94     };
95     Listener hideListener = new class Listener {
96         public void handleEvent(Event event) {
97             label.setText("");
98             label.update();
99         }
100     };
101     FormData labelData = new FormData();
102     labelData.left = new FormAttachment(0);
103     labelData.right = new FormAttachment(100);
104     labelData.bottom = new FormAttachment(100);
105     label.setLayoutData(labelData);
106     Menu menuBar = new Menu(shell, SWT.BAR);
107     shell.setMenuBar(menuBar);
108     MenuItem fileItem = new MenuItem(menuBar, SWT.CASCADE);
109     fileItem.setText("File");
110     fileItem.addListener(SWT.Arm, armListener);
111     MenuItem editItem = new MenuItem(menuBar, SWT.CASCADE);
112     editItem.setText("Edit");
113     editItem.addListener(SWT.Arm, armListener);
114     Menu fileMenu = new Menu(shell, SWT.DROP_DOWN);
115     fileMenu.addListener(SWT.Hide, hideListener);
116     fileMenu.addListener(SWT.Show, showListener);
117     fileItem.setMenu(fileMenu);
118     String[] fileStrings = [ "New", "Close", "Exit" ];
119     for (int i = 0; i < fileStrings.length; i++) {
120         MenuItem item = new MenuItem(fileMenu, SWT.PUSH);
121         item.setText(fileStrings[i]);
122         item.addListener(SWT.Arm, armListener);
123     }
124     Menu editMenu = new Menu(shell, SWT.DROP_DOWN);
125     editMenu.addListener(SWT.Hide, hideListener);
126     editMenu.addListener(SWT.Show, showListener);
127     String[] editStrings = [ "Cut", "Copy", "Paste" ];
128     editItem.setMenu(editMenu);
129     for (int i = 0; i < editStrings.length; i++) {
130         MenuItem item = new MenuItem(editMenu, SWT.PUSH);
131         item.setText(editStrings[i]);
132         item.addListener(SWT.Arm, armListener);
133     }
134     shell.open();
135     while (!shell.isDisposed()) {
136         if (!display.readAndDispatch()) display.sleep();
137     }
138     display.dispose();
139 }