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Custom QHeaderView header size problem

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  • A Offline
    A Offline
    achard.ju
    wrote on last edited by
    #1

    Hi everyone,

    I'm trying to subclass QHeaderView to add some behavior i need (context menu with column to show/hide, add a lineEdit in the header to filter columns ...)

    My header is added to a QTreeView with setHeader function.

    My problem is that sections can be resized to a smaller size than the text in the header section. How can i force a minimum size column by column, depending on the header text ?

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

      Hi and welcome to devnet,

      Did you try the minimumSectionSize property ?

      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
        achard.ju
        wrote on last edited by
        #3

        Hi ! And thanks ;)

        yes i've tried minimumSectionSize and it worked well for all columns.
        By the way i need to manage columns size independently as text in headers are all differents...

        For information i'm stuck with Qt 4.7

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        • A Offline
          A Offline
          achard.ju
          wrote on last edited by
          #4

          I managed to find a way but i think it's ugly.

          When sectionResized() signal is raised, i manually check if new section size is lower than minimal size i want for the section.
          If not i manually call resizeSection() on the section with my minimal size.

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

            What about sectionSizeHint ?

            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
              achard.ju
              wrote on last edited by
              #6

              same thing, sizeHint is just a recommended size. It does not limit the minimal size.

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

                Right, well, currently I can't see a better way than your workaround. Are you stuck with a precompiled version of Qt ? If not you could have a look and try to back port the handling you need

                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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