StacktraceTop:QGraphicsScene::drawItems () QGraphicsView::paintEvent () QWidget::event () from /usr/lib/libQtGui.so.4 QFrame::event () from /usr/lib/libQtGui.so.4 QGraphicsView::viewportEvent ()
StacktraceTop: QGraphicsScene: :drawItems () :paintEvent () libQtGui. so.4 libQtGui. so.4 :viewportEvent ()
QGraphicsView:
QWidget::event () from /usr/lib/
QFrame::event () from /usr/lib/
QGraphicsView: