Signalslot connection in sequence diagram

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Hello, My company wants to decrease our dependency with Qt to the GUI part only so I am looking for a signalslot alternative

The processing function then calls the callback when appropriate In Qt, there is an alternative to the callback technique: signals and slots A signal is QT has an Observer mechanism built in, which they call 'Signals and Slots' It allows objects to communicate with each other without having to

blazing 777 slot machine Define your own class with Qt signals and slots: To provide a class with its own signals and slots, the following applies Rules to be followed:  I develop C++ QT applications and analyze with sonarqube Headers have signal and slots, and sonar shows them as unused function which is