Transmit extra data with signals in PyQt5

Nailing 13 signal and slot mistakes with clazy signal and slot in qt 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: signal and slot in qt Signals and Slots in Depth The signals and slots mechanism is fundamental to Qt programming It enables the application programmer to bind

signal slot When one QObject instance is the receiver of a signal, its thread affinity is checked, and by default the signal is delivered directly as a