How Qt Signals & Slots Work

When the signal is emitted with fewer arguments than the slot, Qt runs the slot using default parameter values Functor-based connections do not support

Does your code ever return to the Qt event loop? Thank you for the answer but I don´t understand you I put the breakpoint in the emit line, and

qt slot Qt Signal & Slot implementation is deterministic, but it's using QVariant to box and then unbox values, so there is definitely a performance

qtech slot As you know, The Qt signal-slot mechanism is a fundamental concept in the Qt framework It provides a way for objects to communicate with