| /******************************************************************************* |
| * Copyright (c) 2000, 2004 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; |
| |
| /* |
| * Display example snippet: stop a repeating timer when a button is pressed |
| * |
| * For a list of all SWT example snippets see |
| * http://www.eclipse.org/swt/snippets/ |
| */ |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.swt.layout.*; |
| |
| public class Snippet68 { |
| |
| public static void main (String [] args) { |
| final Display display = new Display (); |
| final Color red = display.getSystemColor (SWT.COLOR_RED); |
| final Color blue = display.getSystemColor (SWT.COLOR_BLUE); |
| Shell shell = new Shell (display); |
| shell.setLayout (new RowLayout ()); |
| Button button = new Button (shell, SWT.PUSH); |
| button.setText ("Stop Timer"); |
| final Label label = new Label (shell, SWT.BORDER); |
| label.setBackground (red); |
| final int time = 500; |
| final Runnable timer = new Runnable () { |
| public void run () { |
| if (label.isDisposed ()) return; |
| Color color = label.getBackground ().equals (red) ? blue : red; |
| label.setBackground (color); |
| display.timerExec (time, this); |
| } |
| }; |
| display.timerExec (time, timer); |
| button.addListener (SWT.Selection, new Listener () { |
| public void handleEvent (Event event) { |
| display.timerExec (-1, timer); |
| } |
| }); |
| button.pack (); |
| label.setLayoutData (new RowData (button.getSize ())); |
| shell.pack (); |
| shell.open (); |
| while (!shell.isDisposed ()) { |
| if (!display.readAndDispatch ()) display.sleep (); |
| } |
| display.dispose (); |
| } |
| } |