I am not using qt 5, but if I am not mistaken QGraphicsScene code was migrated from QT4
On Sun, Sep 22, 2013 at 8:56 AM, 程梁 <[email protected]> wrote: > Hi, there! I have a problem: when I called QGraphicsScene::removeItem() > then delete the removed item, my application crashed. This happens on Qt5 > 64bits (I tested on openSUSE with 5.1.1 and gcc 4.7.2) but not on Qt4. > > This is my code: > > void GameController::snakeAteFood(Snake *snake, Food *food) > { > scene.removeItem(food); > delete food; > > addNewFood(); > } > > If I remove the line "delete food;" everything is OK. But it will crash > with this line. The Food::boundingRect() will not change but > Snake::boundingRect() does so I did add prepareGeometryChange() function > before it changed. I've no idea why this still crashed. Please help me. > > Thank you! > > Cheng Liang > Nanjing, China > http://www.devbean.net > > _______________________________________________ > Interest mailing list > [email protected] > http://lists.qt-project.org/mailman/listinfo/interest > >
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