if (popupLocation == null) popupLocation = new Point();  popupLocation.x = x; popupLocation.y = y;
popupLocationX = x; popupLocationY = y;
  public void setLocation(int x, int y)  {    if (popupLocation == null)      popupLocation = new Point();    popupLocation.x = x;    popupLocation.y = y;  }