Qt slot function return value

QDialog Class | Qt Widgets 5.12.3

c++ - Qt: meaning of slot return value? - Stack Overflow I think that the return value for a slot is only available when the function is called directly (when it is a normal C++ function) or when using invokeMethod. I think this is really meant for internal Qt functions rather than for normal use in programs using Qt. Edit: For the sample case: c++ - QT return value from a signal? - Stack Overflow I'm doing this by connecting up signals and slots for the methods. ... QT return value from a signal? ... However now I need to find a way for the SQLite thread to ...

PyQt v4 - Python Bindings for Qt v4

What do I do if a slot is not invoked? - KDAB All Qt developers have asked themselves at least once in their careers: “why isn’t my slot invoked?”When QObject::connect() fails it returns false and it emits a warning which gets typically printed onwe can test the return value (for instance, by adding an assertion), or. we can make all warnings fatal... Как работают сигналы и слоты в Qt

QAbstractSocket Class | Qt Network 5.12.2

Signals & Slots | Qt Core 5.12.3 - Qt Documentation A slot is a function that is called in response to a particular signal. .... int value() const { return m_value; } public slots: void setValue(int value); signals: void ... How Qt Signals and Slots Work - Woboq

How can I get return values from slot function? Several ...

Package 'qtbase' methods and extending 'Qt' classes from R. Other packages build upon 'qtbase' .... These functions construct some simple Qt helper objects. ... the values are double, a QSizeF instance is returned, otherwise an instance of QSize .... For qmocMethods, a data.frame with columns for the method name, type (“signal”, “ slot”, etc),. VTK: vtkEventQtSlotConnect Class Reference ... Class Reference. Manage connections between VTK events and Qt slots. ... Return 1 if this class is the same type of (or a subclass of) the named class. More.