Java tutorial
import org.eclipse.swt.SWT; import org.eclipse.swt.events.MouseEvent; import org.eclipse.swt.events.MouseTrackAdapter; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; public class MouseTrackExample { final Display d; final Shell s; public MouseTrackExample() { d = new Display(); s = new Shell(d); s.setSize(250, 200); s.setText("A MouseTrackListener Example"); final Button b = new Button(s, SWT.PUSH); b.setText("Push Me"); b.setBounds(20, 50, 55, 25); s.open(); final Color oldColor = b.getBackground(); b.addMouseTrackListener(new MouseTrackAdapter() { public void mouseEnter(MouseEvent e) { b.setBackground(new Color(d, 0, 153, 153)); } public void mouseExit(MouseEvent e) { b.setBackground(oldColor); } }); while (!s.isDisposed()) { if (!d.readAndDispatch()) d.sleep(); } d.dispose(); } public static void main() { new MouseTrackExample(); } }