Auto-hide JMenuBar
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by PeterMmm
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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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