MouseEvent: button
import org.eclipse.swt.SWT; import org.eclipse.swt.events.MouseEvent; import org.eclipse.swt.events.MouseListener; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; public class MainClass { public static void main(String[] a) { Display d = new Display(); final Shell s = new Shell(d); s.setSize(250, 200); s.setText("A MouseListener Example"); s.open(); s.addMouseListener(new MouseListener() { public void mouseDown(MouseEvent e) { System.out.println("Mouse Button Down at:" + e.x + " " + e.y); } public void mouseUp(MouseEvent e) { System.out.println("Mouse Button up at:" + e.x + " " + e.y); System.out.println(e.button); } public void mouseDoubleClick(MouseEvent e) { System.out.println("Mouse Double Clicked at:" + e.x + " " + e.y); } }); while (!s.isDisposed()) { if (!d.readAndDispatch()) d.sleep(); } d.dispose(); } }