[Glade-devel] Glade Binding Framework

[murrayc at murrayc.com (Murray Cumming)]

On Fri, 2007-03-23 at 23:25 +0200, Vincent Geddes wrote:
[snip]
> > class GladeMyBoxAdaptor(glade.get_adaptor_for_type ('GtkHBox')):
> >        __gtype_name__ = 'GladeMyBoxAdaptor'
>
> is the `glade.get_adaptor_for_type ('GtkHBox')' API the only way to get
> an adaptor class in any language we provide bindings for? This works in
> Python and Ruby as they seem to treat classes as normal objects. I doubt
> C++ classes can be treated as objects (unless RTTI allows that) though,
> and I don't think the C++ syntax allows one to subclass a class in such
> a way either. The same probably goes for many other languages as well.
>
> In a nutshell, I highly doubt this will work in C++:
>
>  class MyBoxAdaptor : public Glade::get_adaptor_for_type ("GtkHBox")
>  {
>    ...
>  }
>
> Shouldn't we just provide the class definitions statically, so that
> developers can subclass in the way it's usually done in most languages?

Yes, C++ cannot declare classes at runtime. And I wouldn't want it to.

-- 
Murray Cumming
murrayc at murrayc.com
www.murrayc.com
www.openismus.com