class ButtonMouseListener extends MouseAdapter {
    Component glass;
    Container contentPane;
    JButton butt;

    public ButtonMouseListener(Component glass, Container contentPane, JButton butt) {
        this.glass = glass;
        this.contentPane = contentPane;
        this.butt = butt;
    }

    public void mouseReleased(MouseEvent e) {
        redispatchMouseEvent(e);
        System.out.println("mouse released at " + e.getX() + "/" + e.getY());
    }

    private void redispatchMouseEvent(MouseEvent e) {

        Point gpPoint = e.getPoint();
        Point cpPoint = SwingUtilities.convertPoint(glass,
                gpPoint, contentPane);
        Component button = SwingUtilities.getDeepestComponentAt(contentPane,
                cpPoint.x, cpPoint.y);
        if ((button != null) && (button.equals(butt))
                && gpPoint.x >= glass.getWidth() / 2) {
            Point buttPoint = SwingUtilities.convertPoint(glass,
                    gpPoint, button);
            button.dispatchEvent(new MouseEvent(button, e.getID(), e
                    .getWhen(), e.getModifiers(), buttPoint.x,
                    buttPoint.y, e.getClickCount(), e.isPopupTrigger()));
        }
    }
}