Are there any samples or documentation on coding a Qt Quick application using C++?

SamarAbdelsayed

Hi,

I'm looking for sample applications for building a "Qt Quick" application with the UI written in C++ (versus QML which is more popular). Anyone has any insight into how to use QT Quick Controls directly from C++, preferably with references to sample projects and/or documentation?

Thanks!

SGaist

Hi and welcome to devnet,

Something's not quiet clear here. Do you want to build the whole UI from QML elements but generated in C++ ?

Or if you're not interested in QML why not use the widget module ?

QutWizard

The texteditor example that ships with the SDK shows you how to do this, basically you register your C++ back end like:
@
qmlRegisterType<DocumentHandler>("org.qtproject.example", 1, 0, "DocumentHandler");
@

Then derive your class from QObject, and use Q_PROPERTY:
@
Q_PROPERTY(QQuickItem *target READ target WRITE setTarget NOTIFY targetChanged)
@

To access the code from QML.

There are other methods of doing this, but this one is how they coded this example.

"Interacting with QML Objects from C++":http://qt-project.org/doc/qt-5/qtqml-cppintegration-interactqmlfromcpp.html

"Exposing Attributes of C++ Types to QML":http://qt-project.org/doc/qt-5/qtqml-cppintegration-exposecppattributes.html

What method is best practice or will be the latest and longest supported method is what I would like to know, the lack of documentation and examples is not helping matters much.