Swing/ToolTipLocation のバックアップ(No.4)

@Override public void mouseDragged(MouseEvent me) {
  JComponent c = (JComponent) me.getSource();
  Point p = me.getPoint();
  if (SwingUtilities.isLeftMouseButton(me)) {
    tip.setTipText(String.format("Window(x,y)=(%4d,%4d)", p.x, p.y));
    //tip.revalidate();
    tip.repaint();
    //window.pack();
    window.setLocation(getToolTipLocation(me));
  } else {
    if (popup != null) {
      popup.hide();
    }
    tip.setTipText(String.format("Popup(x,y)=(%d,%d)", p.x, p.y));
    p = getToolTipLocation(me);
    popup = factory.getPopup(c, tip, p.x, p.y);
    popup.show();
  }
}