自訂Signal 與Slot

自訂Signal 與Slot signal and slot Signals and slots is a language construct introduced in Qt for communication between objects which makes it easy to implement the observer pattern while signal and slot qt The signal and slot specifications should have the argument types, but not the arguments themselves Get Application Development with Qt Creator

signal and slot qt Vivian Siahaan signal needs to be connected to a method, also known as a slot Slots refer to the method that contains the code to be executed when a signal

signal and slot arguments are not compatible Signals and slots are loosely coupled: A class which emits a signal neither knows nor cares which slots receive the signal Qt's signals and slots mechanism Slot Arguments Signals can propagate arguments to each of the slots they call For instance, a signal that propagates mouse motion