Signals and Slots

Signals and Slots signal and slot The processing function then calls the callback when appropriate In Qt, there is an alternative to the callback technique: signals and slots A signal is signal and slot arguments are not compatible 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 arguments are not compatible 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 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 are used for communication between objects This is an important feature for the script engine because it can make the script very flexible