مطالب مرتبط با «removeItem with custom» در back soft | نویسنده: استخدام کار
Crash after QGraphicsScene::removeItem() with custom item class
Vote count: 0 I am populating a QGraphicsScene with instances of a custom item class (inherting QGraphicsPathItem). At some point during runtime, I try to remove an item (plus its children) from the scene by calling: delete pItem; This automatically calls QGraphicsScene::removeItem(), however it also leads to a crash in the class QGraphicsSceneFindItemBspTreeVisitor during the next repaint. asked 24 secs agoPhilip Allgaier 1 Answer Vote count: 0 TL;DR: The solution is to ensure that QGraphicsItem::prepareGeometryChange() gets called before the item's removal from the scene. The problem is that during the item removal from the scene, the scene inteal index was not properly updated, resulting ...
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