What does @Slot() do? — Is the Slot decorator even necessary?
Is the Slot decorator even necessary?. When working with Qt slots and signals in PySide6 you will discover the @Slot decorator.
Qt question: How do signals and slots work?
QtCore.SIGNAL() and QtCore.SLOT() macros allow Python to interface with Qt signal and slot delivery mechanisms. This is the old way of using signals and slots.
Emit a PyQt signal from any Python thread. · GitHub
The Signal class provides a way to declare and connect Qt signals in a pythonic way. ... receiver – Python callable, @Slot or Signal.