Qt signal is ten times slower than a virtual function

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

Qt signal is ten times slower than a virtual function Finds connect() statements still using the old SIGNAL() SLOT() syntax The Qt 5 pointer-to-member syntax allows you to catch errors at compile

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

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

You can connect as many signals to a slot and as many slots to a signal as you like Boost and QT also offer signal slot functionality (see Part 1 of the

qt signal slot slot needs to perform the intended result of the signal This is a powerful way to extend or modify the built-in signals provided by Qt

When one QObject instance is the receiver of a signal, its thread affinity is checked, and by default the signal is delivered directly as a