repeat_timer_ = add_timer(settings::repeat_button_repeat_time,
                                      boost::bind(&tdispatcher::fire,
                                                  window,
                                                  event::LEFT_BUTTON_DOWN,
                                                  boost::ref(*this)),
                                      true);


            repeat_timer_ = add_timer(settings::repeat_button_repeat_time,
                                [this](const gui2::event::tevent event, twidget& target) {
                                    tdispatcher::fire(event::LEFT_BUTTON_DOWN, *this);
                                }, true);