Signalling between QML and the C++ back-end revisited

As well, application needs to know whether the user is clicking the button The application may need to relay this clicking event to other applications QML has

Create a C++ class, that will perform the backend logic, and implement a public slot in it;; Add an instance of that class into the QML context

qml slot This signal is connected to a C++ object's slot using QObject::connect(), so that the cppSlot() method is called whenever the qmlSignal is emitted: MyItem

mexican slot machine game Understanding Signals and Slot in Qt is not very difficult Signals Introduction to Qt QML