[Qt-qml] C++ Data Models and plugin mechanism

[Bartosh Wroblevksy]

Thanks, really appreciate the feedback from everybody. It's making more sense to me now. I have tons of questions will research them. But I will start another thread for my next one.

> From: warwick.allison at nokia.com
> To: bartosh at live.com; qt-qml at trolltech.com
> Date: Wed, 19 May 2010 03:16:05 +0200
> Subject: RE: [Qt-qml] C++ Data Models and plugin mechanism
> 
> > QDeclarativeExpression: Expression "(function() { return
> > myPluggedInObj.myModel })" depends on non-NOTIFYable properties:
> 
> This message means that one of the properties in the expression does not have a NOTIFY signal, so if it changes, the expression will not be re-evaluated, so this:
> 
> > > Q_PROPERTY(QStringList myModel READ myModel);
> 
> Would need to be:
> 
> Q_PROPERTY(QStringList myModel READ myModel NOTIFY myModelChanged)
> 
> And when the list of strings changed (because of some mechanism in the C++ code), you would emit myModelChanged() to tell the QML to update all dependant expressions (bindings).
> 
> --
> Warwick
 		 	   		  
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