How to Use Signals and Slots in Two Classes in Qt Creator

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

As for priority, the slot of the latter signal will be handled when the event loop is returned to the object However, it is impossible to connect two slots

signal slot qt Vivian Siahaan signal needs to be connected to a method, also known as a slot Slots refer to the method that contains the code to be executed when a signal

signal and slot arguments are not compatible Signals and Slots · loose coupling: The key advantage of the signals and slots is that the caller does not have to know anything about the receiver and vice