Qt signal is ten times slower than a virtual function

How Qt Signals & Slots Work Velcode•23K views · 18:19 · Go to Signals and Slots in Qt

Signals and SlotsHow to connect predefined Signals with User defined Slots(Qt C++

signal and slot qt signal или slot, могут вызывать предупреждения или ошибки Эта опция говорит Qt не определять ключевые слова moc'a — signals, slots

signal and slot arguments are not compatible This page was used to describe the new signal and slot syntax during its development The feature is now released with Qt 5