Problem with signalslot carrying pointer - qt

Problem with signalslot carrying pointer - qt qt slot signal signal You can think of the signal declaration as an output of the class When mValue changes, the slot, which CHAPTER 4: Beginning Qt Development 67 qt signal slot 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 signal slot Define your own class with Qt signals and slots: To provide a class with its own signals and slots, the following applies Rules to be followed:

qt connect signal to slot with parameter 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 When a signal is emitted, the slots connected to it are usually executed immediately, just like a normal function call When this happens, the signals and slots