The idea of signals and slots is a loose, flexible coupling, so I think that the connect() is the perfect place to read about what causes what. It seems like yo

The idea of signals and slots is a loose, flexible coupling, so I think that the connect() is the perfect place to read about what causes what. It seems like your expectations come from something like virtual interfaces (in the C++ sense) - these often have a limited amount of implementations on both sides that "know" each other more closely.