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QTableWidget::itemSelectionChanged

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  • MegamouseM Megamouse

    Can you send me the sample you use?

    For the nativeevent:
    Apparently it is already fixed for Qt 5.11.2.
    But to explain:
    One of the devs added a copy pasta mistake and now we need to cast the nativeEvent messages like this for Qt 5.11.1:

    #if (QT_VERSION == QT_VERSION_CHECK(5, 11, 1))
    MSG* msg = *reinterpret_cast<MSG**>(message);
    #else
    MSG* msg = reinterpret_cast<MSG*>(message);
    #endif
    

    For some programs this breaks the whole application

    mrjjM Offline
    mrjjM Offline
    mrjj
    Lifetime Qt Champion
    wrote on last edited by
    #13

    @Megamouse
    ofc but its just default gui project with ListWidget
    https://www.dropbox.com/s/y6dxx17dd6mc1cd/untitled68.zip?dl=0

    oh, i see. type was changed to **
    Well good they fixed it so fast :)

    1 Reply Last reply
    0
    • MegamouseM Offline
      MegamouseM Offline
      Megamouse
      wrote on last edited by
      #14

      in the second half you can see what i mean

      0_1532863484741_ugh.gif

      mrjjM 1 Reply Last reply
      0
      • MegamouseM Megamouse

        in the second half you can see what i mean

        0_1532863484741_ugh.gif

        mrjjM Offline
        mrjjM Offline
        mrjj
        Lifetime Qt Champion
        wrote on last edited by
        #15

        @Megamouse
        Ah, yes, now i can do it too.
        Holding left and rapid move up and down seems to lag behind one.
        Funny enough the signal is correct. (right side)
        alt text

        Seems to be the order of signals.
        As if i make a button

        void MainWindow::on_pushButton_released()
        {
            ui->label->setText( QString::number(ui->listWidget->currentRow()) );
        }
        

        and then ask it, its correct.
        so it seems when in itemSelectionChanged and not released the left buttons, its
        not updated yet.

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        0
        • MegamouseM Offline
          MegamouseM Offline
          Megamouse
          wrote on last edited by
          #16

          exactly. and in my opinion that's missing in the documentation.
          or even wrong in general

          mrjjM 1 Reply Last reply
          0
          • MegamouseM Megamouse

            exactly. and in my opinion that's missing in the documentation.
            or even wrong in general

            mrjjM Offline
            mrjjM Offline
            mrjj
            Lifetime Qt Champion
            wrote on last edited by
            #17

            @Megamouse
            Well it might be border case and hence the slightly odd behavior.
            Since we are using SingleSelection, the dragging is really not needed as user
            can just click on the one he wants.

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            0
            • MegamouseM Offline
              MegamouseM Offline
              Megamouse
              wrote on last edited by
              #18

              Well.
              I use the selection as a direct visual indication.
              Meaning if you change the list object the view will show corresponding data on another table.

              So if i were to use currentrow in this case the data would be wrong.

              mrjjM 1 Reply Last reply
              0
              • MegamouseM Megamouse

                Well.
                I use the selection as a direct visual indication.
                Meaning if you change the list object the view will show corresponding data on another table.

                So if i were to use currentrow in this case the data would be wrong.

                mrjjM Offline
                mrjjM Offline
                mrjj
                Lifetime Qt Champion
                wrote on last edited by
                #19

                @Megamouse

                Well did you try the signal for that. seems to be correct even
                when ui->listWidget->currentRow() is off. ?

                1 Reply Last reply
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                • MegamouseM Offline
                  MegamouseM Offline
                  Megamouse
                  wrote on last edited by
                  #20

                  don't worry about it. It's fixed anyway. I just think it's a weird glitch or "feature"

                  mrjjM 1 Reply Last reply
                  0
                  • MegamouseM Megamouse

                    don't worry about it. It's fixed anyway. I just think it's a weird glitch or "feature"

                    mrjjM Offline
                    mrjjM Offline
                    mrjj
                    Lifetime Qt Champion
                    wrote on last edited by
                    #21

                    @Megamouse

                    indeed it is.

                    1 Reply Last reply
                    0
                    • MegamouseM Megamouse

                      Can you send me the sample you use?

                      For the nativeevent:
                      Apparently it is already fixed for Qt 5.11.2.
                      But to explain:
                      One of the devs added a copy pasta mistake and now we need to cast the nativeEvent messages like this for Qt 5.11.1:

                      #if (QT_VERSION == QT_VERSION_CHECK(5, 11, 1))
                      MSG* msg = *reinterpret_cast<MSG**>(message);
                      #else
                      MSG* msg = reinterpret_cast<MSG*>(message);
                      #endif
                      

                      For some programs this breaks the whole application

                      HojjatJafaryH Offline
                      HojjatJafaryH Offline
                      HojjatJafary
                      wrote on last edited by HojjatJafary
                      #22

                      @Megamouse
                      native events!
                      How did you find it? where they announced something like that?
                      but thank you ... you saved my life ;)

                      MegamouseM 1 Reply Last reply
                      0
                      • HojjatJafaryH HojjatJafary

                        @Megamouse
                        native events!
                        How did you find it? where they announced something like that?
                        but thank you ... you saved my life ;)

                        MegamouseM Offline
                        MegamouseM Offline
                        Megamouse
                        wrote on last edited by
                        #23

                        @HojjatJafary It was on a hunch. After searching for native event problems for a while, I found an issue on the Qt issue tracker in which the solution to the bug was shared in the comment section.

                        1 Reply Last reply
                        0
                        • SGaistS Offline
                          SGaistS Offline
                          SGaist
                          Lifetime Qt Champion
                          wrote on last edited by
                          #24

                          Can you share the link to the bug report ?

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

                          MegamouseM 1 Reply Last reply
                          0
                          • S Offline
                            S Offline
                            Sergio Monteleone
                            wrote on last edited by
                            #25

                            I believe it's https://bugreports.qt.io/browse/QTBUG-69074

                            1 Reply Last reply
                            0
                            • SGaistS SGaist

                              Can you share the link to the bug report ?

                              MegamouseM Offline
                              MegamouseM Offline
                              Megamouse
                              wrote on last edited by
                              #26

                              @SGaist sorry I wasn't on this forum in a while. But Sergio's link is correct

                              1 Reply Last reply
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