Signals and slots

自訂Signal 與Slot signal and slot Sigslot implements the signal-slot construct popular in UI frameworks, making it easy to use the observer pattern or event-based programming The main entry signal slot 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

signal 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