Re: changing expand/fill pane parameters (without repacking)

[Jef Driesen <jefdriesen hotmail com>]

Jef Driesen wrote:
> stian nixia no wrote:
> > > Is it possible to change the expand/fill parameters of a paned's children
> > > without repacking them?
> > > (Repacking them is a huge performance hit)
> > http://www.gtk.org/api/2.6/gtk/GtkPaned.html
> >
> > See the "Child Properties" section.
> > The child gets the two properties you question about. You can set them
> > using g_object_set(). Atleast that is what the API says.
>
> Does anyone know how to use those "Child Properties"?
>
> When I try to use this code:
>
> g_object_set(m_expander->gobj(),
>     "expand", TRUE,
>     NULL
> );
>
> I get an error at runtime:
>
> GLib-GObject-WARNING **: IA__g_object_set_valist: object class 
> `gtkmm__GtkExpander' has no property named `expand'
>
> I'm using gtkmm and the m_expander object is a Gtk::Expander packed 
> inside a Gtk::VBox.

To answer my own question: I simply need to use another function for 
"Child Properties". It's in the documentation [1], but I didn't find it 
directly!

gtk_container_child_set(
   GTK_CONTAINER (m_expander->gobj()), GTK_WIDGET (m_vbox->gobj()),
   "expand", TRUE,
   NULL
);

[1] 
http://developer.gnome.org/doc/API/2.0/gtk/GtkContainer.html#child-properties