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Inserting a QAction into a QLayout

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  • Christian EhrlicherC Offline
    Christian EhrlicherC Offline
    Christian Ehrlicher
    Lifetime Qt Champion
    wrote on last edited by
    #4

    @JoeCFD said in Inserting a QAction into a QLayout:

    I would prefer to create a new widget for this action

    Then do this.

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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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                      Visit the Qt Academy at https://academy.qt.io/catalog

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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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