Since GUIs need to perform tasks, the widgets, windows, and other aspects of the application need to be able to react to the events that occur. Whether caused by the user or by the underlying system, the events, and possibly data, need to be delivered to their appropriate locations and handled accordingly.
Find out more about signals, slots, and event handling
Learn how to modify key press and mouse and enter event handlers
Explore how to create custom signals using pyqtSignal
This chapter is all about ...