507     roomsModel->sort(logicalIndex, order);

   507     // three state sorting: asc -> dsc -> default (by room state)

   508 }

   508     if ((order == Qt::AscendingOrder) && (logicalIndex == roomsModel->sortColumn()))

   509         roomsList->horizontalHeader()->setSortIndicator(0, Qt::AscendingOrder);

   510     else

   511         roomsModel->sort(logicalIndex, order);

   512 }