MacUtil.java 文件源码

public static void adjustFocusTraversal(@NotNull Disposable disposable) {
  if (!SystemInfo.isMacOSSnowLeopard) return;
  final AWTEventListener listener = new AWTEventListener() {
    @Override
    public void eventDispatched(AWTEvent event) {
      if (event instanceof KeyEvent
          && ((KeyEvent)event).getKeyCode() == KeyEvent.VK_TAB
          && (!(event.getSource() instanceof JTextComponent))
          && (!(event.getSource() instanceof JList))
          && !isFullKeyboardAccessEnabled())
        ((KeyEvent)event).consume();
    }
  };
  Disposer.register(disposable, new Disposable() {
    @Override
    public void dispose() {
      Toolkit.getDefaultToolkit().removeAWTEventListener(listener);
    }
  });
  Toolkit.getDefaultToolkit().addAWTEventListener(listener, AWTEvent.KEY_EVENT_MASK);
}