全局键盘事件

KeyboardFocusManager manager = KeyboardFocusManager.getCurrentKeyboardFocusManager(); manager.addKeyEventPostProcessor(new KeyEventPostProcessor() {    public boolean postProcessKeyEvent(KeyEvent event) {        if (event.getID() != KeyEvent.KEY_PRESSED) {            return false;        }        if (curPane != null) {            curPane.keyPressed(event);            return true;        }        return false;    }});

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