Differences between String-Based and Functor-Based Connections

Type-safe Signals and Slots in C++: Part 2 signal and slot in qt In general, emitting a signal that is connected to some slots, is approximately ten times slower than calling the receivers directly, with non- signal and slot @Alex42 Signals and slots only work in one process, not across different processes But you can use any IPC and implement your own signalsslots

signal slot Comments5 ; PyQt QPainter Quickstart MadPonyInteractive · views ; How Qt Signals