https://forum.qt.io/topic/3920/question-about-the-mousemoveevent-of-qtdemo-s-textbutton
Question about the MouseMoveEvent of qtdemo's TextButton | Qt Forum
Feb 23, 2011 - I would like to use MouseMoveEvent event of Textbutton in qtdemo, so that I can drag the item to the specified location. I add the flag "QGraphicsItem::ItemI...
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