Qt5 Tutorial Signals and Slots - 2020

Although I don't understand why, many projects forbid the use of Qt in the non-GUI parts Fortunately, signals and slots can be implemented in

Since the signatures are compatible, the

signal slot qt QObject::connect: No such slot as RxMock::rxsignal() If I remove Q_OBJECT in class MockRx, I get: No such slot as QWidget::rxsignal() I also tried to

signal and slot qt The signal and slot specifications should have the argument types, but not the arguments themselves Get Application Development with Qt Creator