| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.snippets; |
| |
| /* |
| * Make a toggle button have radio behavior |
| * |
| * For a list of all SWT example snippets see |
| * http://www.eclipse.org/swt/snippets/ |
| */ |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.swt.layout.*; |
| |
| public class Snippet169 { |
| public static void main (String [] args) { |
| Display display = new Display (); |
| final Shell shell = new Shell (display); |
| shell.setLayout (new FillLayout ()); |
| Listener listener = new Listener () { |
| public void handleEvent (Event e) { |
| Control [] children = shell.getChildren (); |
| for (int i=0; i<children.length; i++) { |
| Control child = children [i]; |
| if (e.widget != child && child instanceof Button && (child.getStyle () & SWT.TOGGLE) != 0) { |
| ((Button) child).setSelection (false); |
| } |
| } |
| ((Button) e.widget).setSelection (true); |
| } |
| }; |
| for (int i=0; i<20; i++) { |
| Button button = new Button (shell, SWT.TOGGLE); |
| button.setText ("B" + i); |
| button.addListener (SWT.Selection, listener); |
| if (i == 0) button.setSelection (true); |
| } |
| shell.pack (); |
| shell.open (); |
| while (!shell.isDisposed ()) { |
| if (!display.readAndDispatch ()) display.sleep (); |
| } |
| display.dispose (); |
| } |
| } |