Widgets/QTreeWidget: don't emit dataChanged() with invalid indexes

QTreeModel::itemChanged() emitted dataChanged() with an invalid index when the given item has no columns yet. Pick-to: 6.8 6.7 6.5 Change-Id: I8e0c67c3aae59bd6e6f8e60a2f9f968fafebfe22 Reviewed-by: David Faure <[email protected]>
HoBoIs · Aug 10, 2024 · 64bb77e · 64bb77e
1 parent bc93d5b
commit 64bb77e
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/widgets/itemviews/qtreewidget.cpp b/src/widgets/itemviews/qtreewidget.cpp
@@ -742,6 +742,8 @@ Qt::DropActions QTreeModel::supportedDropActions() const
 
 void QTreeModel::itemChanged(QTreeWidgetItem *item)
 {
+    if (item->columnCount() <= 0)
+        return;
     SkipSorting skipSorting(this); //this is kind of wrong, but not doing this would kill performance
     QModelIndex left = index(item, 0);
     QModelIndex right = index(item, item->columnCount() - 1);