Re: problems with adding to a container.

[Dave Malcolm <david davemalcolm demon co uk>]

On Wed, 2003-04-23 at 05:53, Stoyan karanfilov wrote:
> Hi, I'm writting a gtk based program that uses
> gtkglarea. I want to make an interface like 3D Studio
> Max - 4 frames with a view in every frame. I want to
> place 3D objects gtkglarea and next to show this area
> in 4 different views (using glOrtho and glViewport
> routines). But when I try to add gtkglarea in more
> than one frame [I am using gtk_container_add
> (GTK_CONTAINER (frame1), area) ] I can't:
> "Gtk-WARNING **: Attempting to add a widget with type
> GtkGLArea to a container of type GtkFrame, but the
> widget is already inside a container of type GtkFrame,
> the GTK+ FAQ at http://www.gtk.org/faq/ explains how
> to reparent a widget." 
> How can I do this? I've already tried out some ways
> like using clases and object oriented approach and a
> different predefined pointers to glarea and frames. I
> did not seemed to work out. Can some one help me with
> any solution of this problem. Thanks in advance!
> Stoyan

It sounds like your code might be trying to add the same gtkglarea
object four times to the widget hierarchy, rather than adding four
different gtkglarea objects.  That would give the kind of symptoms you
report.

Hope this helps

Dave Malcolm