Getting the most of signalslot connections in Qt
Getting the most of signalslot connections in Qt
QTCreator · Pour connecter le signal Action au slot de fermeture de fenêtre, il faut choisir le 2° bouton de la barre d'outils de QT Designer · Le menu Quitter
Check existing signalslot connections Select the emit button in the Object Browser or the Widget Inspector tool, and open the Connections tab on the right 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
slot selalu menang 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 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
