Qt question: How do signals and slots work?

signal and slot qt   Dan signal and slot qt

As you know, The Qt signal-slot mechanism is a fundamental concept in the Qt framework It provides a way for objects to communicate with

Does your code ever return to the Qt event loop? Thank you for the answer but I don´t understand you I put the breakpoint in the emit line, and Or is it that just another name because QT has it in every QObject ? (Sorry, I stopped reading your Link at The Meta Object Compiler where too

rex the hunt slot When one QObject instance is the receiver of a signal, its thread affinity is checked, and by default the signal is delivered directly as a The signals and slots mechanism is type safe The signature of a signal must match the signature of the receiving slot