qml slots
005 Connecting C Signal to QML Slot - YouTube
Cross platform GUI application development on windows, mac and linux using QML, Qt 5, JavaScript and C++.
GitHub - wisoltech/qt-signal-slot: Connect QML to C++ with signals ...
This program demonstrates how QML and C++ can be connected through Qt signals and slots. It does this through embedding C++ code as a context property in QML rather than explicitly connecting signals and slots.
C++ signal to QML slot in Qt
Any data that is transferred from C++ to QML, whether as a property value, a method parameter or return value, or a signal parameter value, must be of a type that is supported by the QML engine.