Qt signal-slot quick start

The concept of signal and slots were introduced by Qt for communication between objects, and it inspires DALi Figure: Schematic example of signal-slot

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

qt connect signal to slot The concept of signal and slots were introduced by Qt for communication between objects, and it inspires DALi Figure: Schematic example of signal-slot

qt connect signal to slot with parameter Define your own class with Qt signals and slots: To provide a class with its own signals and slots, the following applies Rules to be followed: