[Qt-qml] Avoid binding warnings on object creation

[Leonardo Cunha]

Any plans for when this fix will reach Qt? Any chance for 4.7.1?

In qt-components, we currently have 3 of those warnings and we are doing
workarounds to avoid getting more of them :-(

br,
// leo

> -----Original Message-----
> From: Jones Martin (Nokia-MS-Qt/Brisbane)
> [mailto:martin.jones at nokia.com]
> Sent: Friday, September 03, 2010 12:14 AM
> To: ext Adriano Rezende; Cunha Leo (Nokia-MS-Qt/Oslo)
> Cc: qt-qml at trolltech.com
> Subject: RE: [Qt-qml] Avoid binding warnings on object creation
> 
> This is a bug.  The attached patch fixes it.
> 
> BR,
> Martin.
> 
> -----Original Message-----
> From: qt-qml-bounces at trolltech.com [mailto:qt-qml-
> bounces at trolltech.com] On Behalf Of ext Adriano Rezende
> Sent: Friday, 3 September 2010 3:01 AM
> To: Cunha Leo (Nokia-MS-Qt/Oslo)
> Cc: qt-qml at trolltech.com
> Subject: Re: [Qt-qml] Avoid binding warnings on object creation
> 
> > I am using the Component::createObject(parent) and inside the
> > component I have bindings to its parent, like:
> > Item {
> >    id: page
> >    // FIXME: the line below creates warnings when the page component
> > is instantiated
> >    width: parent.width
> > }
> >
> > I get these warnings when instantiating the page: "Unable to assign
> > undefined value"
> >
> > Is there any workaround for avoiding these binding's warnings when
> > instantiating a dynamic object?
> 
> I think this is the same problem I was facing.
> 
> I created a suggestion in JIRA related to this behavior:
> http://bugreports.qt.nokia.com/browse/QTBUG-13170
> 
> The problem is that when creating an object dynamically, the parent is
> set after all properties have been initialized. So, the parent itself
> does not exist at the initialization time.
> 
> Br,
> Adriano
> 
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