@Override
 public void stateChanged(ChangeEvent event) {
   boolean selected = myKeyboardPanel.mySecondStrokeEnable.isSelected();
   myKeyboardPanel.mySecondStroke.setVisible(selected);
   myMousePanel.setVisible(!selected);
   if (selected && myShortcut instanceof MouseShortcut) {
     setShortcut(null);
   }
 }