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Tabbed QDockWidgets: how to fetch the QWidgets "under" a QTabBar ?

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  • H Offline
    H Offline
    HornetMaX
    wrote on last edited by
    #5

    [quote author="SGaist" date="1401570231"]QStackedLayout/QStackedWidget ?[/quote]

    None between the children of the QMainWindow.

    I have uploaded a minimal Qt Creator example here, if you want to have a look: "QDockWidget - QTabBar":https://drive.google.com/file/d/0BzmU7Qoo77i1UFpiVzBzVDZ2Qjg/edit?usp=sharing

    When running, put the 3 QDockWidgets on the left together (tabify them), then hit CTRL-L and it will print some info via qDebug(), including all the children of the main window.

    MaX.

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #6

      Looks like it goes down in the guts of QMainWindow. If you want to get the current widget, I'd go with tabifiedDockWidgets and check which one is currently visible.

      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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      • H Offline
        H Offline
        HornetMaX
        wrote on last edited by
        #7

        [quote author="SGaist" date="1401654398"]Looks like it goes down in the guts of QMainWindow. If you want to get the current widget, I'd go with tabifiedDockWidgets and check which one is currently visible.[/quote]

        Hmmm, no: a tabified qdockwidget is visible even when his tab is not the current one: I can't use "isVisible()" to get which one is current.

        Also, if there are two areas that can have tabified widgets (and hence two QTabBar objects), how can one see who's belong to who ?

        Seems too big a lack to be true ...

        MaX.

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        • SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote on last edited by
          #8

          I must say that I never encountered the need to check which of my QDockWidget were visible when stacked. Can you describe your use case ?

          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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          • H Offline
            H Offline
            HornetMaX
            wrote on last edited by
            #9

            It's no big deal in fact: I have two keyboard shortcuts that toggle the visibility of my 2 QDockWidgets. When the widgets are not tabified (i.e. they are either docked alone or floating), this is OK. When they are tabified I can put some code in the actions in order to do nothing (that's easy), but for consistency it would be nicer if the action would make the associated widget current in the QTabBar. But to make the widget current I have to know his index, thing that seems to be not easy to get.

            There's probably some sort of dirty workaround checking the "name" of the tab (tabText) and using it to find the widget it belongs to. Still, it seems strange nothing is available for this purpose.

            MaX.

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            • SGaistS Offline
              SGaistS Offline
              SGaist
              Lifetime Qt Champion
              wrote on last edited by
              #10

              Are you using the toggleViewAction from QWidget for that ?

              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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              • H Offline
                H Offline
                HornetMaX
                wrote on last edited by
                #11

                [quote author="SGaist" date="1401745680"]Are you using the toggleViewAction from QWidget for that ?[/quote]

                No, my own (trivial) action: if not tabified, toggle visibility, if tabified, do nothing (as I'm unable to do what I'd like to do).

                MaX.

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                • SGaistS Offline
                  SGaistS Offline
                  SGaist
                  Lifetime Qt Champion
                  wrote on last edited by
                  #12

                  You can try to make a feature request for that on the "bug report system":http://bugreports.qt-project.org

                  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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                  • H Offline
                    H Offline
                    HornetMaX
                    wrote on last edited by
                    #13

                    [quote author="SGaist" date="1401811706"]You can try to make a feature request for that on the "bug report system":http://bugreports.qt-project.org [/quote]

                    Just created this: "https://bugreports.qt-project.org/browse/QTBUG-39489":https://bugreports.qt-project.org/browse/QTBUG-39489

                    MaX.

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                    • W Offline
                      W Offline
                      wuqi
                      wrote on last edited by
                      #14

                      http://stackoverflow.com/questions/22230042/how-to-detect-if-a-tabified-qdockwidget-is-the-active-tab This may help

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