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  4. [SOLVED]why can't my QGraphicsView accept Drag&Drop event?
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[SOLVED]why can't my QGraphicsView accept Drag&Drop event?

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  • O Offline
    O Offline
    opengpu
    wrote on last edited by
    #1

    i want to drag a TreeItem to a QGraphicsView, i setAcceptDrops(true), and while i debug i can debug into TreeWidget::startDrag(), but i can't go into the QGraphicsView's dragEnterEvent, dragLeaveEvent, dragMoveEvent, dropEvent...

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Hi,

      Did you call setAcceptDrops(true) on your QGraphicsView ?

      Interested in AI ? www.idiap.ch
      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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      • O Offline
        O Offline
        opengpu
        wrote on last edited by
        #3

        i called...and the QWidget which is the parent of the QGraphicsView, i also tried to set its setAcceptDrops(true)
        but bot worked....
        is startDrag enough for the QTreeWidget?
        btw. is there any different between QGraphicsView and QWidget as they can acceptDrops?

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        • SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote on last edited by
          #4

          Did you also implement the dragEnterEvent and dropEvent ?

          Interested in AI ? www.idiap.ch
          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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          • O Offline
            O Offline
            opengpu
            wrote on last edited by
            #5

            yeh, i missed it, that's my problem.
            thank you

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