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Prevent deselection of Table view row

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  • E Offline
    E Offline
    EaccB
    wrote on last edited by
    #1

    If you have a non-empty table view, is there a way to prevent the user from deselecting a row using command+click, etc? I.e, a row must always be selected if the the row count is > 0.

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    • Christian EhrlicherC Online
      Christian EhrlicherC Online
      Christian Ehrlicher
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Not without overwriting QItemSelectionModel::select()

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      • E Offline
        E Offline
        EaccB
        wrote on last edited by
        #3

        Thanks. How would I do that though?

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

          @EaccB said in Prevent deselection of Table view row:

          How would I do that though?

          I don't understand what you mean - I already told you what you've to do.

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          E 1 Reply Last reply
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          • Christian EhrlicherC Christian Ehrlicher

            @EaccB said in Prevent deselection of Table view row:

            How would I do that though?

            I don't understand what you mean - I already told you what you've to do.

            E Offline
            E Offline
            EaccB
            wrote on last edited by
            #5

            @Christian-Ehrlicher

            I'm not sure how I would implement this functionality in select().

            mrjjM 1 Reply Last reply
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            • E EaccB

              @Christian-Ehrlicher

              I'm not sure how I would implement this functionality in select().

              mrjjM Offline
              mrjjM Offline
              mrjj
              Lifetime Qt Champion
              wrote on last edited by
              #6

              @EaccB
              Hi
              I think you would inherit QItemSelectionModel and then override select.
              Then use this new object in the TreeView with
              https://doc.qt.io/qt-5/qtableview.html#setSelectionModel

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