pyqt signals and slots - c++ - Qt events and signal/slots - Stack Overflow asia 888 slot

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.

This page describes the use of signals and slots in Qt for Python. The emphasis is on illustrating the use of so-called new-style signals and slots, although the traditional syntax is also given as a reference.

How to achieve this using signals and slots? The example below does not work.