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/*******************************************************************************
* 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 ();
}
}
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