Getting the most of signalslot connections in Qt

Getting the most of signalslot connections in Qt signal and slot arguments are not compatible 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 signal slot qt SignalType::Arguments, typename SlotType::Arguments>::value), 501, Signal and slot arguments are not compatible ); 502, Q_STATIC_ASSERT_X((QtPrivate

signal slot qt QObject::connect: Incompatible senderreceiver arguments ; #include QPushButton> #include QWidget> #include QLineEdit> ; #include

signal and slot arguments are not compatible The signal and slot specifications should have the argument types, but not the arguments themselves Get Application Development with Qt Creator The slot does not exist for the given receiver ; The signalslot argument lists is not compatible The elements marked with a do not