Mega Code Archive

 

Categories / Java Tutorial / SWT

 

Using ControlListener

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();       }     }   } }