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  4. QStackedWidget setCurrentIndex slot not showing on Signals&Slots editor (QtCreator)

QStackedWidget setCurrentIndex slot not showing on Signals&Slots editor (QtCreator)

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qstackedwidgetqtcreatorsignal & slotslot
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  • C cxam
    24 Mar 2016, 13:16

    @SGaist you could imagine it as a setup wizard more or less, with 'next' or 'back' buttons

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    mrjj
    Lifetime Qt Champion
    wrote on 24 Mar 2016, 13:17 last edited by
    #5

    @cxam
    just to be sure, u did see
    http://doc.qt.io/qt-5/qwizard.html
    which is for wizard type of interface.

    C 1 Reply Last reply 24 Mar 2016, 14:21
    0
    • M mrjj
      24 Mar 2016, 13:17

      @cxam
      just to be sure, u did see
      http://doc.qt.io/qt-5/qwizard.html
      which is for wizard type of interface.

      C Offline
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      cxam
      wrote on 24 Mar 2016, 14:21 last edited by
      #6

      @mrjj said:

      http://doc.qt.io/qt-5/qwizard.html

      I said Setup Wizard as an example, what I exactly want is a main menu from where you can go to different interfaces, so I need buttons to go through pages. (This app is going to be running on a Raspberry Pi 2 using EGLFS)

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      • M Offline
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        mrjj
        Lifetime Qt Champion
        wrote on 24 Mar 2016, 17:58 last edited by
        #7

        ok
        QStackedWidget seems right for a multipage application.

        C 2 Replies Last reply 24 Mar 2016, 18:02
        0
        • M mrjj
          24 Mar 2016, 17:58

          ok
          QStackedWidget seems right for a multipage application.

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          cxam
          wrote on 24 Mar 2016, 18:02 last edited by
          #8

          @mrjj So what I did so far is that when I clic the button it declares an int with the index number, now I could set the variable I declared as the index for my QStackedWidget right ?

          1 Reply Last reply
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          • M mrjj
            24 Mar 2016, 17:58

            ok
            QStackedWidget seems right for a multipage application.

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            cxam
            wrote on 24 Mar 2016, 18:24 last edited by
            #9

            @mrjj More or less like this:

            
            void MainWindow::on_Cambio1_clicked()
            {
                int cambio1;
                cambio1 = 0;
                void QStackedWidget::setCurrentIndex(cambio1);
            }
            

            I don't know why but it comes up with this error:

            error: invalid use of qualified-name 'QStackedWidget::setCurrentIndex'
                 int QStackedWidget::setCurrentIndex(cambio1);
                                                            ^
            
            M 1 Reply Last reply 24 Mar 2016, 20:16
            0
            • C cxam
              24 Mar 2016, 18:24

              @mrjj More or less like this:

              
              void MainWindow::on_Cambio1_clicked()
              {
                  int cambio1;
                  cambio1 = 0;
                  void QStackedWidget::setCurrentIndex(cambio1);
              }
              

              I don't know why but it comes up with this error:

              error: invalid use of qualified-name 'QStackedWidget::setCurrentIndex'
                   int QStackedWidget::setCurrentIndex(cambio1);
                                                              ^
              
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              mrjj
              Lifetime Qt Champion
              wrote on 24 Mar 2016, 20:16 last edited by mrjj
              #10

              @cxam
              well i would expect something like
              void MainWindow::on_Cambio1_clicked()
              {
              // int cambio1; <<< move to mainwinow.h in the class so all buttons have access to this "current-page"
              cambio1++; // take next page//
              ui->YourQStackedWidget->setCurrentIndex(cambio1);
              }
              set cambio1= 0 in mainwin constructor

              A more clean way might be to use to functions
              nextPage() and prevPage() in mainwindow
              and the buttons just call that and it does the page switch back and forth.

              please try this sample
              https://www.dropbox.com/s/hpjtrr1xvo3lakw/stackedinteface.zip?dl=0

              C 1 Reply Last reply 25 Mar 2016, 13:22
              2
              • S Offline
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                SGaist
                Lifetime Qt Champion
                wrote on 24 Mar 2016, 20:18 last edited by
                #11

                The error comes from the fact that your are trying to call a class method like it's a static method.

                Even if you don't use QWizard, you can take a look at its implementation to get started.

                Interested in AI ? www.idiap.ch
                Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                C 1 Reply Last reply 24 Mar 2016, 22:58
                2
                • S SGaist
                  24 Mar 2016, 20:18

                  The error comes from the fact that your are trying to call a class method like it's a static method.

                  Even if you don't use QWizard, you can take a look at its implementation to get started.

                  C Offline
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                  cxam
                  wrote on 24 Mar 2016, 22:58 last edited by
                  #12

                  @SGaist @mrjj thank you very much for your help, I'll try that out and see how it goes.
                  Regards

                  M 1 Reply Last reply 25 Mar 2016, 14:52
                  0
                  • M mrjj
                    24 Mar 2016, 20:16

                    @cxam
                    well i would expect something like
                    void MainWindow::on_Cambio1_clicked()
                    {
                    // int cambio1; <<< move to mainwinow.h in the class so all buttons have access to this "current-page"
                    cambio1++; // take next page//
                    ui->YourQStackedWidget->setCurrentIndex(cambio1);
                    }
                    set cambio1= 0 in mainwin constructor

                    A more clean way might be to use to functions
                    nextPage() and prevPage() in mainwindow
                    and the buttons just call that and it does the page switch back and forth.

                    please try this sample
                    https://www.dropbox.com/s/hpjtrr1xvo3lakw/stackedinteface.zip?dl=0

                    C Offline
                    C Offline
                    cxam
                    wrote on 25 Mar 2016, 13:22 last edited by
                    #13
                    This post is deleted!
                    1 Reply Last reply
                    0
                    • C cxam
                      24 Mar 2016, 22:58

                      @SGaist @mrjj thank you very much for your help, I'll try that out and see how it goes.
                      Regards

                      M Offline
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                      mrjj
                      Lifetime Qt Champion
                      wrote on 25 Mar 2016, 14:52 last edited by
                      #14

                      @cxam
                      Yes, u can have buttons inside the pages if you want.
                      Works the same.

                      C 1 Reply Last reply 25 Mar 2016, 17:02
                      1
                      • M mrjj
                        25 Mar 2016, 14:52

                        @cxam
                        Yes, u can have buttons inside the pages if you want.
                        Works the same.

                        C Offline
                        C Offline
                        cxam
                        wrote on 25 Mar 2016, 17:02 last edited by
                        #15

                        @mrjj Hi! I managed to make everything just as I wanted, everything is going fine. The code example you sent me really did the trick. Thanks a lot.

                        1 Reply Last reply
                        0

                        14/15

                        25 Mar 2016, 14:52

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