private static boolean isCtrlEnter(Shortcut shortcut) {
    if (shortcut instanceof KeyboardShortcut) {
      KeyStroke keyStroke = ((KeyboardShortcut)shortcut).getFirstKeyStroke();
      return keyStroke.getKeyCode() == KeyEvent.VK_ENTER && BitUtil.isSet(keyStroke.getModifiers(), InputEvent.CTRL_MASK);
    }
    return false;
  }
private static boolean isCtrlEnter(Shortcut shortcut)