import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tracker;
public class TrackerMouseDown {
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);
shell.open();
shell.addListener(SWT.MouseDown, new Listener() {
public void handleEvent(Event e) {
Tracker tracker = new Tracker(shell, SWT.NONE);
tracker.setRectangles(new Rectangle[] { new Rectangle(e.x, e.y, 100, 100), });
tracker.open();
}
});
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}