1 files changed, 9 insertions, 1 deletions
diff --git a/src/widgets/itemviews/qheaderview.cpp b/src/widgets/itemviews/qheaderview.cpp
index 541d40d421..fa774b5074 100644
--- a/src/widgets/itemviews/qheaderview.cpp
+++ b/src/widgets/itemviews/qheaderview.cpp
@@ -2268,7 +2268,12 @@ void QHeaderView::mousePressEvent(QMouseEvent *e)
         d->pressed = logicalIndexAt(pos);
         if (d->clickableSections)
             emit sectionPressed(d->pressed);
-        if (d->movableSections) {
+
+        bool acceptMoveSection = d->movableSections;
+        if (acceptMoveSection && d->pressed == 0 && !d->allowUserMoveOfSection0)
+            acceptMoveSection = false; // Do not allow moving the tree nod
+
+        if (acceptMoveSection) {
             d->section = d->target = d->pressed;
             if (d->section == -1)
                 return;
@@ -2332,6 +2337,9 @@ void QHeaderView::mouseMoveEvent(QMouseEvent *e)
                 int visual = visualIndexAt(pos);
                 if (visual == -1)
                     return;
+                if (visual == 0 && logicalIndex(0) == 0 && !d->allowUserMoveOfSection0)
+                    return;
+
                 int posThreshold = d->headerSectionPosition(visual) - d->offset + d->headerSectionSize(visual) / 2;
                 int moving = visualIndex(d->section);
                 if (visual < moving) {