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Forum Update on Monday, May 27th 2025

QT class default access modifier

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  • J Offline
    J Offline
    Jc_Opc
    wrote on 31 Aug 2020, 20:30 last edited by
    #1

    Hi,

    This is a quick question, when a class is defined, what would be the default access modifier if there is none used after Q_OBJECT macro?

    class mainW : public QMAinWIndow
    {
    Q_OBJECT
    static const size_t var = 10;
    ...
    public:
    ...
    }

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    • S Offline
      S Offline
      SGaist
      Lifetime Qt Champion
      wrote on 31 Aug 2020, 20:39 last edited by
      #2

      Hi and welcome to devnet,

      That's basic C++, everything that is above your "public:" is private.

      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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      • J Offline
        J Offline
        Jc_Opc
        wrote on 31 Aug 2020, 20:50 last edited by
        #3

        Thanks.. I thought for QT was different... I am looking at the code and still there are many times the developer used "private" word many times inside the same class. I am not talking about private slots but some pointers and functions. Is it normal to find this kind of coding habit in QT world?

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        • S Offline
          S Offline
          SGaist
          Lifetime Qt Champion
          wrote on 31 Aug 2020, 20:57 last edited by
          #4

          That's unrelated to Qt.

          I have the habit of keeping things in order together by type.

          All public methods together, then the protected and then the private. And then again with the variables.

          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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          31 Aug 2020, 20:30

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