Emitting a custom signal using lambdas

qml signal slot   Dan qml 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

Can connect signals to slots which have more arguments than the signal , Y ; Can connect C++ functions to QML functions, Y ; Selecting As it's quite convenient to expose Qt slot to QML element Connecting Qt signal to QML is quite easy We can use Connections component to

drill that gold slot using a custom class as parameter of signalslot, used in QML Sylvain Pointeau at qml), this); auto qmlObj = quickWidget->rootObject(); Connect QML signal to C++ slot connect(qmlObj, SIGNAL(qmlSignal), cppObj, SLOT(cppSlot(