Qt Connecting SIGNAL and SLOT in object member of MainWindow

Question

I have a class MyClass with:

  - private: 
      pushButton *button;
      void connectSignalAndSlot();
  - private slot: 
      void buttonAction();


        

Answer 1

You must have MyClass inherit from QObject AND add Q_OBJECT macro in your MyClass definition (header file) to have slots/signals work.

class MyClass : public QObject
{
     Q_OBJECT

public:
     ....
};

Answer 2

Inheriting QObject is the right way, but your still missing Qt-Meta Object Code. Your header-file for your class should look like this:

#ifndef MYCLASS_H
#define MYCLASS_H

class MyClass : public QObject {
    Q_OBJECT
    // your methods, variables, slots and signals
}

#endif

Don't forget to create the moc file, the easiest way is to use qmake or the QtCreator IDE.