How to Expose a Qt C++ Class with Signals and Slots to QML

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

I have class A, which dynamically allocates an instance of class B when a method is called, and emits a signal which carries the instance of B

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

qt connect signal to slot When a connection is configured, it becomes visible in Qt Designer's signal and slot editor where it can be further edited You can also edit signalslot