Qt Tutorials For Beginners 5 - Qt Signal and slots

The library defines several user-event signals on various widgets, and it is easy and convenient to add signals and slots to widget classes to communicate

Signals and slots is a language construct introduced in Qt for communication between objects which makes it easy to implement the Observer pattern while

signal slot qt Signals and slots are loosely coupled: A class which emits a signal neither knows nor cares which slots receive the signal Qt's signals and slots mechanism

signal and slot qt Each signal function can have an arbitrary number of parameters The signals are connected to slots, which can be either free functions, member functions or