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  4. how to custom Header of QTreeWidget, use setHeaderItem & setItemWidget ?
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how to custom Header of QTreeWidget, use setHeaderItem & setItemWidget ?

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  • O Offline
    O Offline
    opengpu2
    wrote on last edited by opengpu2
    #1

    how to custom Header of QTreeWidget, use setHeaderItem & setItemWidget ?
    i use setHeaderItem & setItemWidget, but it didnot work...
    do i have to inherite a child class of QHeaderView, to customize the Header?and if i have to use this method, is it possible to work fine when multi-column, and each column use setItemWidget to set a custom QWidget?

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Hi,

      Technically, there's no header for a QTreeWidgetItem. A QTreeWidgetItem is the content of a cell in a QTreeWidget.

      What exactly are you trying to achieve ?

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

      O 1 Reply Last reply
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      • SGaistS SGaist

        Hi,

        Technically, there's no header for a QTreeWidgetItem. A QTreeWidgetItem is the content of a cell in a QTreeWidget.

        What exactly are you trying to achieve ?

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        opengpu2
        wrote on last edited by
        #3

        @SGaist sorry, type error, corrected

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        • R Offline
          R Offline
          Radek
          wrote on last edited by
          #4

          Hi,

          I'd think the proper way would be to customize a QHeaderView.
          Then QTreeView::setHeader(QHeaderView * header) to set it to your tree view.

          There is no problem, there are only solutions. :)

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

            What do you want to have in your header views ?

            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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            • O Offline
              O Offline
              opengpu2
              wrote on last edited by
              #6

              custom QWidget, use setItemWidget to set it on QTreeWidgetItem, and then use setHeaderItem to set this QTreeWidgetItem on the header, but it didnot work...

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              • R Radek

                Hi,

                I'd think the proper way would be to customize a QHeaderView.
                Then QTreeView::setHeader(QHeaderView * header) to set it to your tree view.

                O Offline
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                opengpu2
                wrote on last edited by
                #7

                @Radek thank you, and if i customize a QHeaderView, is it able to set different QWidget on each column of the header?

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                • SGaistS Offline
                  SGaistS Offline
                  SGaist
                  Lifetime Qt Champion
                  wrote on last edited by
                  #8

                  That doesn't really answer the question. Can you give an example of widget you would like to have on your header view ?

                  In any case, you have this article here that explain how to do it for example with a QComboBox.

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

                  R 1 Reply Last reply
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                  • SGaistS SGaist

                    That doesn't really answer the question. Can you give an example of widget you would like to have on your header view ?

                    In any case, you have this article here that explain how to do it for example with a QComboBox.

                    R Offline
                    R Offline
                    Radek
                    wrote on last edited by
                    #9

                    @SGaist hi, my point wasn't to give a cooked solution but rather point to a direction where to look for one. Sry if it wasn't good enough, I'll try not to post like that anymore...

                    There is no problem, there are only solutions. :)

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                    • SGaistS Offline
                      SGaistS Offline
                      SGaist
                      Lifetime Qt Champion
                      wrote on last edited by
                      #10

                      @Radek my answer wasn't directed to you, no worries ;)

                      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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