qt signals and slots
c++ - Qt events and signal/slots - Stack Overflow
Qt is well known for its signals and slots mechanism. But how does it work? In this blog post, we will explore the internals of QObject and QMetaObject and discover how signals and slot work under the hood.
c++ - Should I use signal/slot as much as I can in Qt? - Stack ...
Qt signals/slots are not necessarily asynchronous.
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.