Signalslot connection in sequence diagram

QT signalslot is not a mechanism of C++, it's just a C++ library which provides such functionality You can implement it yourself with Rust, or

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

signal and slot qt 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 in qt Signals and Slots Across Threads · Auto Connection If the signal is emitted in the thread which the receiving object has affinity then the behavior is