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Selecting Item and Scrolling ListWidget Area Problem

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  • A Offline
    A Offline
    anticore
    wrote on last edited by
    #2

    I solved scrolling problem with

    @ listWidget->setAutoScroll(false);@

    Item selecting problem continue, please help...

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    • T Offline
      T Offline
      t3685
      wrote on last edited by
      #3

      Hi,

      For more readability use the "@""@" tag for your code.

      As for you problem, have you tried this:

      http://qt-project.org/doc/qt-5/qabstractitemview.html#selectionMode-prop

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      • A Offline
        A Offline
        anticore
        wrote on last edited by
        #4

        Hi,

        I have tried all of the modes, however it is not the solution or I could not.

        Thank you.

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

          Hi and welcome to devnet,

          Have a look at setSelectionMode and ExtendedSelection

          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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          • A Offline
            A Offline
            anticore
            wrote on last edited by
            #6

            Thank you sGaist,

            I tried ExtendedSelection, but I need select only one item. I want to highlight only first pressed item if cursor on it until I release mouse button.
            In other words, If I press mouse button on an item, I don't want hover effect on other items.

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            • SGaistS Offline
              SGaistS Offline
              SGaist
              Lifetime Qt Champion
              wrote on last edited by
              #7

              What you are trying to do looks like the drag and drop functionality but without actually doing anything. It doesn't fit in any usual use case of that widget.

              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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              • A Offline
                A Offline
                anticore
                wrote on last edited by
                #8

                Yes, exactly.

                Do you have any suggestion to do such a functionalty?

                I see it on IOS apps, if Kinetic Scrolling not used.

                On Android apps it is different. If you press on an item, app highlight that item, However if you move the cursor (or your finger on touch screens) without relesing, that item can not be selected again.

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                • SGaistS Offline
                  SGaistS Offline
                  SGaist
                  Lifetime Qt Champion
                  wrote on last edited by
                  #9

                  You would probably need to customize the mouse event handling by subclassing QListWidget

                  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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                  • A Offline
                    A Offline
                    anticore
                    wrote on last edited by
                    #10

                    Yes.

                    Should I do this with code handling or a QListWidget method?

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

                      Have a look at the mouseXXXEvent methods

                      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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                      • A Offline
                        A Offline
                        anticore
                        wrote on last edited by
                        #12

                        Ok,

                        Thank you for your help...

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