Swing 全局键盘鼠标事件处理

 

AWTEventListener l = new AWTEventListener() {

            public void eventDispatched(AWTEvent event) {
                if (event instanceof MouseEvent) {
                    if (event.getID() != MouseEvent.MOUSE_PRESSED) {
                        return;
                    }
                    if (!(event.getSource() instanceof JTextField || event.getSource() instanceof JComboBox)) {
                        if (frame != null) {
                            frame.setFocusable(true);
                            frame.requestFocus();
                        }
                    }
                }
                if (event instanceof KeyEvent) {
                    if (event.getID() != KeyEvent.KEY_PRESSED) {
                        return;
                    }
                    if (event.getSource() instanceof JTextField || event.getSource() instanceof JComboBox) {
                        return;
                    }
                    keyPressed((KeyEvent)event);
                }
            }
            
        };
        Toolkit tk = Toolkit.getDefaultToolkit();
        tk.addAWTEventListener(l, AWTEvent.KEY_EVENT_MASK);
        tk.addAWTEventListener(l, AWTEvent.MOUSE_EVENT_MASK);