diff options
| -rw-r--r-- | src/gui/graphicsview/qgraphicsscene_bsp.cpp | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/gui/graphicsview/qgraphicsscene_bsp.cpp b/src/gui/graphicsview/qgraphicsscene_bsp.cpp index bf95893..b73cba2 100644 --- a/src/gui/graphicsview/qgraphicsscene_bsp.cpp +++ b/src/gui/graphicsview/qgraphicsscene_bsp.cpp @@ -247,8 +247,10 @@ void QGraphicsSceneBspTree::initialize(const QRectF &rect, int depth, int index) void QGraphicsSceneBspTree::climbTree(QGraphicsSceneBspTreeVisitor *visitor, const QPointF &pos, int index) { - if (nodes.isEmpty()) - return; + if (nodes.isEmpty()) { + // should never happen for bsp tree internal to QGraphicsScene + initialize(sceneRect, 0); + } const Node &node = nodes.at(index); int childIndex = firstChildIndex(index); @@ -277,8 +279,10 @@ void QGraphicsSceneBspTree::climbTree(QGraphicsSceneBspTreeVisitor *visitor, con void QGraphicsSceneBspTree::climbTree(QGraphicsSceneBspTreeVisitor *visitor, const QRectF &rect, int index) { - if (nodes.isEmpty()) - return; + if (nodes.isEmpty()) { + // should never happen for bsp tree internal to QGraphicsScene + initialize(sceneRect, 0); + } const Node &node = nodes.at(index); int childIndex = firstChildIndex(index); |