[Qt-qml] QML Slot

[Ivan De Marino]

Well, to put it simple, I was wrong and you were right :)

I must have missed something in my C++ code. :)

Thanks

On 16 July 2010 13:21, <aaron.kennedy at nokia.com> wrote:

>  Hi,
>
> Perhaps there was a bug in earlier releases, but it seems to be working now
> (see attached example).
>
> Cheers,
>
> Aaron
>
>
>
> On 16/07/10 9:58 PM, "ext Ivan De Marino" <ivan.de.marino at gmail.com>
> wrote:
>
> I do use that.
> I'm talking about the scenario that Almo (was Almo?) described: u make ur
> object, u expose it as a property in the Context, try to connect to it's
> "onWhateverHappened" and you don't get the signal in QML.
>
>
> On 16 July 2010 12:55,  <aaron.kennedy at nokia.com> wrote:
>
> Hi,
>
> You've never used onClicked?
>
> All signals automatically become "on<Signal Name>" where the first letter
> in the signal is uppercased.  Likewise, all property change notifiers
> automatically become "on<Property Name>Changed" where the first letter in
> the property is uppercased.  To avoid conflicts, properties and signals that
> start with an uppercase letter are ignored.
>
> Anything else is a bug.
>
> Cheers,
>
> Aaron
>
> On 16/07/2010, at 9:37 PM, "ext Ivan De Marino" <ivan.de.marino at gmail.com>
> wrote:
>
> (trying to bring back the main topic of this thread)
>
> I think you can't connect to signals like that if you DON'T use a
> Q_PROPERTY() macro.
>
> At least in my experience, I never managed to connect to a signal into QML,
> if not the ones that are related to Q_PROPERTY-ies.
>
> If anyone finds a solution to this, I'm interested as well.
>
> On 14 July 2010 09:48, Almo  Nito < <mailto:AlmoNito at gmx.de<AlmoNito at gmx.de>>
> AlmoNito at gmx.de> wrote:
>
> I tryed that with the following Result:
>
> Cannot assign to non-existent property "onChangedDir"
>
>
> signals: void ChangedDir();
> The Object is Registered using
> ctxt->setContextProperty("CommObject",_COMM);
>
> i can access  the functions from QML and access its properties but i can
> NOT connect to a signal
>
> Any Ideas?
>
>
>
> -------- Original-Nachricht --------
> > Datum: Wed, 14 Jul 2010 01:37:11 +0200
> > Von:  <mailto:michael.brasser at nokia.com <michael.brasser at nokia.com>>
> michael.brasser at nokia.com
> > An:  <mailto:AlmoNito at gmx.de <AlmoNito at gmx.de>> AlmoNito at gmx.de
> > CC:  <mailto:qt-qml at trolltech.com <qt-qml at trolltech.com>>
> qt-qml at trolltech.com
>
> > Betreff: Re: [Qt-qml] QML Slot
>
> > Hi Almo,
> >
> > On 14/07/2010, at 6:30 AM, ext Almo Nito wrote:
> > I would like to know how i can connect to a Signal in QML if the object
> > was not instanced from QML:
> >
> > Im having an Object _COMM;
> >
> > That was registered using:
> > ctxt->setContextProperty("CommObject",_COMM);
> >
> > I can actually use CommObject.doMyInvolkeMethod() in QML
> >
> > But how do I connect to a signal that gets emmited that instace of _COMM
> > in QML?
> >
> > You should be able to use the Connections element for this
> > ( <http://doc.qt.nokia.com/4.7-snapshot/qml-connections.html>
> http://doc.qt.nokia.com/4.7-snapshot/qml-connections.html):
>
> >
> > Connections {
> >     target: CommObject
> >     onMySignal: console.log("here I am!")
> > }
> >
> > Regards,
> > Michael
> >
>
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-- 
 Ivan De Marino | Software Engineer | France Telecom R&D UK - Orange Labs
 w. +44 20 8849 5806 | m. +44 7515 955 861 | m. +44 7974 156 216
 ivan[dot]demarino[at]orange-ftgroup.com |
ivan[dot]de[dot]marino[at]gmail[dot]com
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