@Override
    protected Interactable.Result unhandledKeyboardEvent(Key key) {
        if(getSelectedIndex() == -1)
            return Interactable.Result.DO_NOTHING;
        
        if(key.getKind() == Key.Kind.Enter || key.getCharacter() == ' ') {
            checkedIndex = getSelectedIndex();
        }
        return Interactable.Result.DO_NOTHING;
    }