Qt signal is ten times slower than a virtual function

SignalSlot Communication qt signal slot example A queued signal-slot connection is nothing else but an asynchronous function call Conceptually, the routing function QMetaObject::activate qt connect signal slot A slot is a normal C++ method; it is called when a signal connected to it is emitted AdvertisementsQt5 click example

qt slot Transmitting extra data with Qt Signals Modifying widget signals to pass contextual information to slots by Martin Fitzpatrick Last updated 16