{
QItemSelectionRange changedArea(topLeft, bottomRight);
QModelIndex currentTopicIndex = selectionModel()->currentIndex().sibling(selectionModel()->currentIndex().row(), 0);
if (changedArea.contains(currentTopicIndex))
changeWindowTitle(currentTopicIndex);
{
QItemSelectionRange changedArea(topLeft, bottomRight);
QModelIndex currentTopicIndex = selectionModel()->currentIndex().sibling(selectionModel()->currentIndex().row(), 0);
if (changedArea.contains(currentTopicIndex))
changeWindowTitle(currentTopicIndex);