[SOLVED] Re: GtkTreeModelFilter on GtkTreeModelSort

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

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

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