Mega Code Archive
Update a progress bar from another thread
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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
*******************************************************************************/
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.ProgressBar;
import org.eclipse.swt.widgets.Shell;
public class ProgressBarUpdateAnotherThread {
public static void main(String[] args) {
final Display display = new Display();
Shell shell = new Shell(display);
final ProgressBar bar = new ProgressBar(shell, SWT.SMOOTH);
bar.setBounds(10, 10, 200, 32);
shell.open();
final int maximum = bar.getMaximum();
new Thread() {
public void run() {
for (final int[] i = new int[1]; i[0] <= maximum; i[0]++) {
try {
Thread.sleep(100);
} catch (Throwable th) {
}
if (display.isDisposed())
return;
display.asyncExec(new Runnable() {
public void run() {
if (bar.isDisposed())
return;
bar.setSelection(i[0]);
}
});
}
}
}.start();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
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