Qt Tutorials For Beginners - Qt Signal and slots -

Define your own class with Qt signals and slots: To provide a class with its own signals and slots, the following applies Rules to be followed:

If the signal sends data, then the receiving function will receive that data too Many Qt widgets also have their own built-in slots, meaning

qt connect signal slot How Qt Signals and Slots Work Understanding Signals and Slot in Qt Signals and slots C++

qt slot signal QT library · Qt::DirectConnection