connect(roomsTabContainer, SIGNAL(eventHasChanged(int)), SLOT(eventHasChanged(int)));
connect(nowTabContainer, SIGNAL(eventHasChanged(int)), SLOT(eventHasChanged(int)));
connect(searchTabContainer, SIGNAL(eventHasChanged(int)), SLOT(eventHasChanged(int)));
connect(roomsTabContainer, SIGNAL(eventHasChanged(int)), SLOT(eventHasChanged(int)));
connect(nowTabContainer, SIGNAL(eventHasChanged(int)), SLOT(eventHasChanged(int)));
connect(searchTabContainer, SIGNAL(eventHasChanged(int)), SLOT(eventHasChanged(int)));