Qt Tutorials For Beginners 5 - Qt Signal and slots

This guide shows how to integrate C++ with QML in Qt and Felgo, to use your C++ code from QML Learn how to register your type or use context properties

Here is a QML component with a signal named qmlSignal that is emitted with a string-type parameter This signal is connected to a C++ object's slot using

qml slot 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

pp4d 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