[SailfishDevel] best way to set QML properties from within C++ in Sailfish?

Robin Burchell robin.burchell at jolla.com
Thu Dec 12 13:39:51 UTC 2013


On 12 Dec 2013, at 14:28, Wim de Vries <wsvries at xs4all.nl<mailto:wsvries at xs4all.nl>> wrote:
I need to set many properties in QML elements from within C++.

You may find it easier to expose these properties *from* C++ to QML, using a singleton type (for example)

http://qt-project.org/doc/qt-5.0/qtqml/qtqml-cppintegration-definetypes.html#registering-singleton-objects-with-a-singleton-type

Yes, I have to control many property values.

I’m not sure how that matters.. see: http://qt-project.org/doc/qt-5.0/qtqml/qqmlengine.html#qmlRegisterSingletonType-2

You can register your object instance as a singleton, exposing as many properties/methods as you like - there’s no limitations and it’s fairly easily done

Theme properties in Silica are exposed through a singleton, for example.
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