Re: [Vala] Closure problem in Gtk.AccelGroup

[Evan Nemerson <evan coeus-group com>]

On Fri, 2010-06-11 at 21:13 +0200, Luca Bruno wrote:
> On Fri, Jun 11, 2010 at 11:21:14AM -0700, jezra lickter wrote:
> > Hello,
> > basing my work on the documentation found at
> > http://valadoc.org/gtk+-2.0/Gtk.AccelGroup.connect.html
> > I am trying to connect an acclegroup to a Closure
> > code:
> > AccelGroup accel = new AccelGroup();
> > accel.connect('q', Gdk.ModifierType.CONTROL_MASK,
> >     Gtk.AccelFlags.VISIBLE,
> >     ()=> { 
> >             stdout.printf("quit"); 
> >     } );
> >
> > When I compile my application, I get the following error in regards to
> > the closure
> > "error: lambda expression not allowed in this context"
> >
> > Can someone please tell me what I am doing wrong or point me to a
> > working example of using AccelGroup.connect()?
>
> Good point. You can't. There's no binding for Closure/CClosure currently.
>
> I'd suggest to add "new Closure.for_callback (owned CCallback callback);"
> Defining a new CCallback like Callback but with has_target=true (apparently
> inconsistent in glib). The ClosureNotify can be gracefully casted to
> DestroyNotify. Evan?

Yes, that makes sense. Feel free to file a bug--I should have some time
late next week, so if nobody submits a patch first I'll try and get to
it then.


-Evan