Java detect CTRL+X key combination on a jtree

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隐瞒了意图╮
隐瞒了意图╮ 2020-12-11 01:02

I need an example how to add a keyboard handler that detect when Ctrl+C , Ctrl+X , Ctrl+C pressed on a

5条回答
  •  不知归路
    2020-12-11 01:44

    You can add KeyListeners to any component (f)

            f.addKeyListener(new KeyListener() {
    
                @Override
                public void keyTyped(KeyEvent e) {
                }
    
                @Override
                public void keyPressed(KeyEvent e) {
                    if ((e.getKeyCode() == KeyEvent.VK_C) && ((e.getModifiers() & KeyEvent.CTRL_MASK) != 0)) {
                        System.out.println("woot!");
                    }
                }
    
                @Override
                public void keyReleased(KeyEvent e) {
                }
            });
    

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