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Inserting a QAction into a QLayout

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  • SGaistS Offline
    SGaistS Offline
    SGaist
    Lifetime Qt Champion
    wrote on last edited by
    #5

    Hi,

    You can associate an action with several widgets for example you can use the same action in a toolbar and a menu.

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    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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    • Christian EhrlicherC Christian Ehrlicher

      @JoeCFD said in Inserting a QAction into a QLayout:

      I would prefer to create a new widget for this action

      Then do this.

      J Offline
      J Offline
      JulienMaille
      wrote on last edited by
      #6

      @Christian-Ehrlicher said in Inserting a QAction into a QLayout:

      @JoeCFD said in Inserting a QAction into a QLayout:

      I would prefer to create a new widget for this action

      Then do this.

      He's not the original poster :)
      I would like the widget to react to the QAction visible/disable state (event the tooltip text is shared accross widgets), juste like other QWidgets associated to that QAction.
      As @SGaist said a QAction can be present in several toolbars and menus.

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      • Christian EhrlicherC Offline
        Christian EhrlicherC Offline
        Christian Ehrlicher
        Lifetime Qt Champion
        wrote on last edited by
        #7

        So still don't understand the problem. Then add the action to e.g. a QPushButton or similar... and action can be associated to more than one widget: https://doc.qt.io/qt-5/qaction.html#associatedWidgets

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        • Christian EhrlicherC Christian Ehrlicher

          So still don't understand the problem. Then add the action to e.g. a QPushButton or similar... and action can be associated to more than one widget: https://doc.qt.io/qt-5/qaction.html#associatedWidgets

          J Offline
          J Offline
          JulienMaille
          wrote on last edited by
          #8

          @Christian-Ehrlicher said in Inserting a QAction into a QLayout:

          So still don't understand the problem. Then add the action to e.g. a QPushButton or similar... and action can be associated to more than one widget: https://doc.qt.io/qt-5/qaction.html#associatedWidgets

          I'm not sure I understood how I can add my own QPushButton to the associatedWidgets

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          • Christian EhrlicherC Offline
            Christian EhrlicherC Offline
            Christian Ehrlicher
            Lifetime Qt Champion
            wrote on last edited by
            #9

            Via QWidget::addActionas described in the link. But it will not help much since a QPushButton does not react on QEvent::ActionChanged - only a QToolButton or QMenu and some others do. Therefore either derive from QPushButton and do it by your own or, as I already said in my first post: 'If you want to execute an action after e.g. a button was pressed then add a button and connect the appropriate signal to the action.'

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            • J Offline
              J Offline
              JulienMaille
              wrote on last edited by
              #10

              As you said addAction() does not help with my request. It will note even trigger the associated action

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              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by
                #11

                Why use a QPushButton if you want to move a QToolButton around ?

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                Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                • J Offline
                  J Offline
                  JulienMaille
                  wrote on last edited by
                  #12

                  @SGaist what are you suggesting? Is there a way I can easily insert a QAction in a layout as a QToolButton?
                  If I need to create my own toolbutton, connect all the signals and icon/title changes myself, then it defeats the whole purpose of using a QAction

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                  • Christian EhrlicherC Offline
                    Christian EhrlicherC Offline
                    Christian Ehrlicher
                    Lifetime Qt Champion
                    wrote on last edited by
                    #13

                    Add a QToolButton to the layout and add the action with QWidget::addAction() as I already told you and the documentation tells you.

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                    • J Offline
                      J Offline
                      JulienMaille
                      wrote on last edited by
                      #14

                      I have added a QToolBar in my layout, and add the actions to the toolbar, it works and I think that is the right way to do this.

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                      • Christian EhrlicherC Christian Ehrlicher

                        Add a QToolButton to the layout and add the action with QWidget::addAction() as I already told you and the documentation tells you.

                        J Offline
                        J Offline
                        JulienMaille
                        wrote on last edited by
                        #15

                        @Christian-Ehrlicher said in Inserting a QAction into a QLayout:

                        Add a QToolButton to the layout and add the action with QWidget::addAction() as I already told you and the documentation tells you.

                        This doesn't work. It will add a dropdown icon suggesting the toolbutton has a menu and nothing else

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                        • Christian EhrlicherC Offline
                          Christian EhrlicherC Offline
                          Christian Ehrlicher
                          Lifetime Qt Champion
                          wrote on last edited by
                          #16

                          Then use signals/slots

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