Java tutorial
import org.eclipse.swt.events.MouseEvent; import org.eclipse.swt.events.MouseTrackAdapter; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; public class MainClass { public static void main(String[] a) { final Display d = new Display(); final Shell s = new Shell(d); s.setSize(250, 200); s.setText("A MouseTrackListener Example"); s.open(); s.addMouseTrackListener(new MouseTrackAdapter() { public void mouseEnter(MouseEvent e) { System.out.println("enter"); } public void mouseExit(MouseEvent e) { System.out.println("exit"); } }); while (!s.isDisposed()) { if (!d.readAndDispatch()) d.sleep(); } d.dispose(); } }