int count = m_view.treeWidget->topLevelItemCount();
for (int i = 0; i < count; i++) {
QTreeWidgetItem *item = m_view.treeWidget->topLevelItem(i);
int count = m_view.treeWidget->topLevelItemCount();
for (int i = 0; i < count; i++) {
QTreeWidgetItem *item = m_view.treeWidget->topLevelItem(i);