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  1. Qt
  2. QTBUG-72013

[macOS] can't prevent an application to quit on Command+Q

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    • macOS

      See attached self contained example.

      Subclassing QQuickView::event and returning false on an event of type QEvent::Close doesn't prevent the application to quit.

      This mechanism works on Linux and Windows but not on macOS (I'm using 10.13.4)

      So basically I have no way to implement a "Save before exit" step.

      [EDIT] after comments (and adding event->ignore()), the issue is now only related to Cmd+Q or "Quit" from menu. I haven't found a way on macOS to prevent the application to quit

        1. defer_exit.zip
          3 kB
        For Gerrit Dashboard: QTBUG-72013
        # Subject Branch Project Status CR V
        277640,13 Deliver Quit event when calling QCoreApplication::quit() dev qt/qtbase Status: MERGED +2 0
        277851,1 Teach QCoreApplication::quit() to involve platform in termination 5.14 qt/qtbase Status: ABANDONED 0 0
        312898,3 Plumb application quit through platform plugin dev qt/qtbase Status: MERGED +2 0

            vestbo Tor Arne Vestbø
            mcallegari79 Massimo Callegari
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              Created:
              Updated:
              Resolved:

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