• Tim Janik's avatar
    don't include any gdk headers. added structure definitions for · 78dbc1ef
    Tim Janik authored
    Sat Sep  5 07:13:19 1998  Tim Janik  <timj@gtk.org>
    
            * gtk/gtktypeutils.h: don't include any gdk headers.
            added structure definitions for GtkTypeObject and GtkTypeClass,
            which cover the very basic fields of GtkObject and GtkObjectClass,
            which are actually used by the type system.
    
            * gtk/gtktypeutils.c: don't include gtkobject.h or gtkcontainer.h,
            we only refer to our own structures. improved class inheritance
            sanity checking a bit.
    
            * gtk/gtkobject.h: placed appropriate comments at the beginnings
            of the GtkObject and GtkObjectClass structures, which explain
            their relationship to GtkTypeObject and GtkTypeClass.
    
            * gtk/gtktypeutils.h:
            * gtk/gtkobject.h:
            moved GTK_STRUCT_OFFSET(), GTK_CHECK_CAST(), GTK_CHECK_CLASS_CAST(),
            GTK_CHECK_TYPE() and GTK_CHECK_CLASS_TYPE() macro definitions from
            gtkobject.h to gtktypeutils.h.
    
            * gtk/gtkobject.h:
            * gtk/gtkobject.c:
            removed gtk_object_check_cast() and gtk_object_check_class_cast()
            functions. to keep source compatibility, we can provide macro aliases
            for the corresponding gtk_type_* functions. but then again, people
            shouldn't have been using these functions anyways since they were part
            of Gtk's internal API.
    
            * gtk/gtktypeutils.h:
            * gtk/gtktypeutils.c:
            implemented gtk_type_check_object_cast() and gtk_type_check_class_cast()
            functions to check GtkTypeObject and GtkTypeClass types.
    78dbc1ef
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