A ControlListener listens for resize or move events.
import org.eclipse.swt.events.ControlAdapter;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class ControlListenerUsing {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new GridLayout());
shell.addControlListener(new ControlAdapter() {
public void controlResized(ControlEvent event) {
Shell shell = (Shell) event.getSource();
Rectangle rect = shell.getClientArea();
System.out.println(rect);
}
});
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
}
}