Implement the MouseListener interface:
public interface MouseListener
{
void mousePressed(MouseEvent event);
// Called when a mouse button has been pressed on a component
void mouseReleased(MouseEvent event);
// Called when a mouse button has been released on a component
void mouseClicked(MouseEvent event);
// Called when the mouse has been clicked on a component
void mouseEntered(MouseEvent event);
// Called when the mouse enters a component
void mouseExited(MouseEvent event);
// Called when the mouse exits a component
}