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Reversible signal/slot mechanism

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  • S Offline
    S Offline
    Sherlin N G
    wrote on last edited by
    #1

    How to achieve reversible signal/slot mechanism in Qt?

    J.HilkJ 1 Reply Last reply
    0
    • S Sherlin N G

      How to achieve reversible signal/slot mechanism in Qt?

      J.HilkJ Offline
      J.HilkJ Offline
      J.Hilk
      Moderators
      wrote on last edited by
      #2

      @Sherlin-N-G

      MyClass1 a;
      MyClass2 b;
      
      //Connect
      QMetaObject::Connection _ConnectMarker = connect(&a, &MyClass1::Signal, &b, &MyClass2::Slot);
      
      //Disconnect
       delete a;
      //or
      delete b;
       //or
      QObject::disconnect( _ConnectMarker);
      

      Be aware of the Qt Code of Conduct, when posting : https://forum.qt.io/topic/113070/qt-code-of-conduct


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      A: It's blue light.
      Q: What does it do?
      A: It turns blue.

      S 1 Reply Last reply
      1
      • J.HilkJ J.Hilk

        @Sherlin-N-G

        MyClass1 a;
        MyClass2 b;
        
        //Connect
        QMetaObject::Connection _ConnectMarker = connect(&a, &MyClass1::Signal, &b, &MyClass2::Slot);
        
        //Disconnect
         delete a;
        //or
        delete b;
         //or
        QObject::disconnect( _ConnectMarker);
        
        S Offline
        S Offline
        Sherlin N G
        wrote on last edited by
        #3

        @J.Hilk Thanks. I will try and let you know.

        1 Reply Last reply
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