return null;
Point point = SwingUtilities.convertPoint((Component) e.getSource(), e.getPoint(), list); MouseEvent newEvent= new MouseEvent((Component) e.getSource(), e.getID(), e.getWhen(), e.getModifiers(), point.x, point.y, e.getModifiers(), e.isPopupTrigger()); return newEvent;
  protected MouseEvent convertMouseEvent(MouseEvent e)  {    return null;  }