PyQt5: Automatic Connection, pyqtSlot(), & User-Defined Slot Function

Qt's signals and slots mechanism ensures that if you connect a signal to a slot, the slot will be called with the signal's parameters at the

I want to create a custom signal, which, when connected to a slot, which takes an integer as an argument, will send a variable to it So for

qt slot signal By the way, it doesn't matter whether we specify the argument in a connect call as const Copy& or Copy Qt normalises the type to Copy any way

qt slot These signals can be connected to any callable, that is, to any function or method, including Qt slots; they can also be connected using the