Re: Using _WRAP_CTOR() / _WRAP_CREATE() in gstreamermm

[José Alburquerque <jaalburquerque cox net>]

Murray Cumming wrote:
> On Wed, 2008-02-27 at 08:24 -0500, José Alburquerque wrote:
>   
> > Hi.  I'm wondering:  Would using _WRAP_CTOR() and _WRAP_CREATE() be 
> > ideal for classes such as Gst::Element?  I'm running into some warnings 
> > I can't quite understand in relation to this after using these and then 
> > running tests/test-create-element:
> >
> > [08:03][jose sweety:/usr/src/jhbuild-sources/gstreamermm/tests]$ 
> > ./test-create-element
> >
> > (lt-test-create-element:15326): glibmm-WARNING **: 
> > Glib::ConstructParams::ConstructParams(): object class 
> > "gtkmm__GstElement" has no property named "factory"
> > Successfully created gst element 'gtkmm__gstelement0'.
> >     
>
> _WRAP_CTOR() assumes that the *_new() parameter names are the same as
> property names that the *_new() specifies to g_object_new(). When that
> isn't true then you generally need to hand-code the constructor, with
> the help of the _CONSTRUCT() macro in the .ccg file.
>
> Sometimes you just need to use a different property name. But sometimes
> the _new() function does extra weird stuff. But it should just call
> g_object_new() or maybe call one or two other public functions. If it
> does something that you can't sensibly reimplement in the C++
> constructor then it's a bug in the C API.
>
>
>   
Thanks.

-Jose