diff options
| -rw-r--r-- | src/gui/graphicsview/qgraphicsitem.cpp | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp index 2eb5150..47a9ae2 100644 --- a/src/gui/graphicsview/qgraphicsitem.cpp +++ b/src/gui/graphicsview/qgraphicsitem.cpp @@ -1442,6 +1442,14 @@ void QGraphicsItem::setFlags(GraphicsItemFlags flags) d_ptr->updateAncestorFlag(ItemIgnoresTransformations); } + if ((flags & ItemStacksBehindParent) != (oldFlags & ItemStacksBehindParent)) { + // Ensure child item sorting is up to date when toggling this flag. + if (d_ptr->parent) + d_ptr->parent->d_ptr->needSortChildren = 1; + else if (d_ptr->scene) + d_ptr->scene->d_func()->needSortTopLevelItems = 1; + } + if (d_ptr->scene) { d_ptr->scene->d_func()->markDirty(this, QRectF(), /*invalidateChildren=*/true, @@ -3230,7 +3238,10 @@ void QGraphicsItem::setZValue(qreal z) return; } d_ptr->z = newZ; - d_ptr->needSortChildren = 1; + if (d_ptr->parent) + d_ptr->parent->d_ptr->needSortChildren = 1; + else if (d_ptr->scene) + d_ptr->scene->d_func()->needSortTopLevelItems = 1; if (d_ptr->scene) { d_ptr->scene->d_func()->markDirty(this, QRectF(), /*invalidateChildren=*/true); |