signals and slots qt - what is signal and slot in qt trực tuyến-cwin222 888slots app

In Qt, slots can have parameters that match the parameters emitted by the signal, and multiple signals can be connected to a single slot.

"Events are typically handled in Qt with signals/slots" - actually no... QEvent objects are always passed around via overloaded virtuals!

The public API of Qt-based libraries should use the keywords Q_SIGNALS and Q_SLOTS instead of signals and slots. Otherwise it is hard to use such a library in a project that defines QT_NO_KEYWORDS.