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Keyboard Accelerator with QInputDialog via QWinWidget

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  • M Offline
    M Offline
    magec000
    wrote on last edited by
    #1

    Dear all,

    I am trying to integrate QT5.3 with a legacy SDI MFC (Visual Studio 2013) app using QTWinMigrate. From an option in the main menu bar, I would like to open a QInputDialog to ask the user for a string. This works fine in principle, but keyboard accelerators (Ctrl+C, Ctrl+V etc) do not work in the QInputDialog:

    @QWinWidget wid((CWnd *) AfxGetMainWnd());
    wid.showCentered();
    QString s = QInputDialog::getText(&wid, ...);
    @

    Is this a bug in QWinWidget/QInputDialog? Can I somehow get around it? If I create other types of QT windows with QWinWidget as parent, the keyboard accelerators work fine...

    thanks!

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

      Hi and welcome to devnet,

      I can't comment on that but it might be related to the fact that it's a dialog spinning it's own event loop. Can you check with a dummy dialog where your call exec() on ?

      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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      • M Offline
        M Offline
        magec000
        wrote on last edited by
        #3

        Hi and thank you for the hint! It's really strange, if I create a QInputDialog without the static function, but using exec(), the accelerators still dont work, whereas any other (custom / dummy) dialog can accept accelerators, if I put a QLineEdit into them...

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

          Then it looks like the local event loop is eating something from your input.

          Does it also happen if you use open rather than exec ?

          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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