Auto-hide JMenuBar

Posted by PeterMmm on Stack Overflow See other posts from Stack Overflow or by PeterMmm
Published on 2010-05-26T10:02:05Z Indexed on 2010/05/26 10:21 UTC
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When i run the code above the frame's menu bar come up when the mouse moves to the upper part of the window. The problem is when i open the menu but do not select any item and move out the mouse the menu bar get invisible but the items stay on screen.

public class Test extends JFrame {

    public Test() {
        setLayout(new BorderLayout());
        setSize(300, 300);

        JMenuBar mb = new JMenuBar();
        setJMenuBar(mb);
        mb.setVisible(false);


        JMenu menu = new JMenu("File");
        mb.add(menu);

        menu.add(new JMenuItem("Item-1"));
        menu.add(new JMenuItem("Item-2"));

        addMouseMotionListener(new MouseAdapter() {

            @Override
            public void mouseMoved(MouseEvent e) {
                getJMenuBar().setVisible(e.getY() < 50);
            }
        });
    }

    public static void main(String args[]) {
        new Test().setVisible(true);
    }
}

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