Qt signalslot

Qt signalslot qt signal slot example Signals and slots is a language construct introduced in Qt for communication between objects which makes it easy to implement the observer pattern while qt connect signal to slot with parameter Qt's signals and slots mechanism ensures that if you connect a signal to a slot, the slot will be called with the signal's parameters at the right time

qt connect signal to slot with parameter C++ Qt 5

qt connect signal to slot For example, instead of Having written a few kioslaves decades ago, I feel pretty qualified to comment on Qt's signalslot performance  A slot is a function that is called in response to a particular signal Qt's widgets have many pre-defined slots, but it is common practice to subclass widgets