(With \"signal handler\" I mean slots, not handlers for POSIX signals.)
I need to \"connect\" (probably not using QObject::connect
directly)
You can make a generic dispatch per argument, and about the SLOT/SIGNAL they are just strings so it's not problem to forge them. It's all about making one template function that will pass per argument into the the dispatch and merge all the results. This can even have unlimited number of arguments if you use c++11.