[SOLVED] Re: GtkTreeModelFilter on GtkTreeModelSort

[Andrea Zagli <azagli libero it>]

Il giorno mer 28 set 2011 13:10:23 CEST, Thomas Jollans ha scritto:
> On 27/09/11 17:52, Andrea Zagli wrote:
> > can i have a GtkTreeView based on GtkTreeModelFilter based on a
> > GtkTreeModelSort?
> >
> > i tried but when i click on a column header i get "invalid cast from
> > `GtkTreeModelFilter' to `GtkTreeSortable'"
> >
> > thanks in advance
>
> If you want the TreeView to be sortable, the GtkTreeView's model must
> implement GtkTreeSortable. GtkTreeModelFilter doesn't, GtkTreeModelSort
> does - you have to swap the two.
>
> Give the GtkTreeView a GtkTreeModelSort wrapping a GtkTreeModelFilter
> (which in turn can wrap your actual data)

ok, it seems to work

thanks a lot