If you want a background for the whole application you need to set it on your QMainWindow. If it should only be for the view use QGraphicsView, because QGraphicsScene is only a part of the view!
--> QGraphicsView::drawBackground().
If you want a background for the whole application you need to set it on your QMainWindow. If it should only be for the view use QGraphicsView, because QGraphicsScene is only a part of the view!
--> QGraphicsView::drawBackground().
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