Re: who define *_parent_class variable ?

[Jean Bréfort <jean brefort normalesup org>]

Le mardi 29 avril 2008 à 07:05 +0000, KLEIN Stéphane a écrit :
> Le Tue, 29 Apr 2008 07:22:24 +0200, Jean Bréfort a écrit :
> 
> > Le lundi 28 avril 2008 à 21:07 +0000, KLEIN Stephane a écrit :
> >> Hello,
> >> 
> >> in many gobject source code I've some variable named
> >> "foo_bar_parent_class". Example in gedit source code :
> >> 
> >> * gedit_view_parent_class
> >> * gedit_tab_parent_class
> >> * gedit_statusbar_parent_class
> >> 
> >> I would like to know what is the macro definition that define this
> >> variable ? In gobject document, I found this : G_DEFINE_TYPE() [1] but
> >> this macro is never called in previous examples (gedit source code).
> >> 
> >> Someone can tell to me what define *_parent_class variable ?
> >> 
> >> Thanks for your help,
> >> Stephane
> >> 
> >> [1] http://library.gnome.org/devel/gobject/2.6/gobject-Type-
> >> Information.html#G-DEFINE-TYPE:CAPS
> > 
> > In your foo_bar_class_init function, add this line:
> > 
> > foo_bar_parent_klass = g_type_class_peek_parent (klass);
> 
> In gedit source code, there aren't *_parent_class = 
> g_type_class_peek_parent(klass)
> 
> Example, I don't found it for :
> 
> * gedit_view_parent_class
> * gedit_tab_parent_class
> * gedit_statusbar_parent_class
> 
> I think there are a macro whose do it but who and where ?
> 
> Regards,
> Stephane
> 

Look at the G_DEFINE_TYPE macro.