org.eclipse.swt.snippets.Snippet190 source code

1 #!/usr/bin/env dub
2 /+
3 dub.sdl:
4     name "snippet190"
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, 2005 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.Snippet190;
49 
50 import org.eclipse.swt.SWT;
51 import org.eclipse.swt.widgets.Display;
52 import org.eclipse.swt.widgets.Shell;
53 import org.eclipse.swt.widgets.Spinner;
54 import org.eclipse.swt.events.SelectionAdapter;
55 import org.eclipse.swt.events.SelectionEvent;
56 import org.eclipse.swt.layout.GridLayout;
57 
58 version(Tango){
59     import Math = tango.math.Math;
60     import tango.io.Stdout;
61 } else { // Phobos
62     import Math = std.math;
63     import std.stdio;
64 }
65 
66 /*
67  * Floating point values in Spinner
68  *
69  * For a list of all SWT example snippets see
70  * http://www.eclipse.org/swt/snippets/
71  *
72  * @since 3.1
73  */
74 
75 void main () {
76     Display display = new Display ();
77     Shell shell = new Shell (display);
78     shell.setText("Spinner with float values");
79     shell.setLayout(new GridLayout());
80     Spinner spinner = new Spinner(shell, SWT.NONE);
81     // allow 3 decimal places
82     spinner.setDigits(3);
83     // set the minimum value to 0.001
84     spinner.setMinimum(1);
85     // set the maximum value to 20
86     spinner.setMaximum(20000);
87     // set the increment value to 0.010
88     spinner.setIncrement(10);
89     // set the seletion to 3.456
90     spinner.setSelection(3456);
91     spinner.addSelectionListener(new class SelectionAdapter {
92         override
93         public void widgetSelected(SelectionEvent e) {
94             int selection = spinner.getSelection();
95             float digits = spinner.getDigits();
96             version(Tango){
97                 Stdout.formatln("Selection is {}", selection / Math.pow(10.f, digits));
98             } else { // Phobos
99                 writefln("Selection is %s", selection / Math.pow(10f, digits));
100             }
101         }
102     });
103     shell.setSize(200, 200);
104     shell.open();
105     while (!shell.isDisposed ()) {
106         if (!display.readAndDispatch ()) display.sleep ();
107     }
108     display.dispose ();
109 }