Re: Problem deriving GLArea widget

[Kjell Ahlstedt <kjell ahlstedt bredband net>]

You've discovered a bug in Gtk::GLArea::signal_create_context(). I've 
fixed it in the git repository.
https://git.gnome.org/browse/gtkmm/commit/?id=d1ae01f3dc14dfbadb3e6288c6bdab5f4a1332b5

Kjell

Den 2016-04-22 kl. 22:01, skrev Bill McGrory:
> Following up:
> I got the included test program to work by making the following change 
> in glarea.cc
> At this point, I'm not sure if this is a complete and total fix, as I 
> need to see if my full featured class can be used correctly.
>
> 588,592c588,590
> <   if(base && base->create_context) {
> <       Glib::RefPtr<Gdk::GLContext> 
> retval(Glib::wrap((*base->create_context)(gobj()),true));
> <       return retval;
> <   }
> <
> ---
> >   if(base && base->create_context)
> >     return Glib::wrap((*base->create_context)(gobj()));
> >
>
> I'm assuming it's the take_copy argument passed to wrap?