this.setBounds(x, y, width, height); layeredPane.add(this, JLayeredPane.POPUP_LAYER, 0);
c.setBounds(x, y, width, height); layeredPane.add(c, JLayeredPane.POPUP_LAYER, 0);
    public void show(int x, int y, int width, int height)    {      JLayeredPane layeredPane;      layeredPane = SwingUtilities.getRootPane(invoker).getLayeredPane();      this.setBounds(x, y, width, height);      layeredPane.add(this, JLayeredPane.POPUP_LAYER, 0);    }