diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/gui/graphicsview/qgraphicsscene.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp index 4bc7f4c..48a0093 100644 --- a/src/gui/graphicsview/qgraphicsscene.cpp +++ b/src/gui/graphicsview/qgraphicsscene.cpp @@ -5178,7 +5178,12 @@ void QGraphicsScenePrivate::processDirtyItemsRecursive(QGraphicsItem *item, bool // Process children. if (itemHasChildren && item->d_ptr->dirtyChildren) { const bool itemClipsChildrenToShape = item->d_ptr->flags & QGraphicsItem::ItemClipsChildrenToShape; - if (itemClipsChildrenToShape) { + // Items with no content are threated as 'dummy' items which means they are never drawn and + // 'processed', so the painted view bounding rect is never up-to-date. This means that whenever + // such an item changes geometry, its children have to take care of the update regardless + // of whether the item clips children to shape or not. + const bool bypassUpdateClip = !itemHasContents && wasDirtyParentViewBoundingRects; + if (itemClipsChildrenToShape && !bypassUpdateClip) { // Make sure child updates are clipped to the item's bounding rect. for (int i = 0; i < views.size(); ++i) views.at(i)->d_func()->setUpdateClip(item); |