connecting Qt C++ With QML , fastest and easiest way

connecting Qt C++ With QML , fastest and easiest way qml signal slot Signals and Slots Across Threads · Auto Connection If the signal is emitted in the thread which the receiving object has affinity then the behavior is qml slot The item in the QML file is accessed as QObject in C++ and it could be cast to QQuickItem For now, we only need to connect its signal, so QObject will do

qml slot Member Function Documentation bool Signal::isConnected() const Returns true if any slots or QML signal handlers are connected to this signal

diamonds on fire slot To do that, you need to add a signal in your QML file like that: signal buttonClicked And in our cpp, we need to connect the signal with a slot  Let's continue the discussion about Qt signals and slots We can connect a signal to a slot