Difference between SignalSlot and DataBusPattern

I develop C++ QT applications and analyze with sonarqube Headers have signal and slots, and sonar shows them as unused function which is

The use of Qt's signals and slots adds a little overhead The classes ClimateModel and ClimateEcuTwin must both inherit QObject and define the

signal and slot arguments are not compatible In general, emitting a signal that is connected to some slots, is approximately ten times slower than calling the receivers directly, with non-

signal and slot QtDesigner Signals and Slots 13K views · 2 years agomore How Qt Signals & Slots Work