Re: problems selecting a row in a gtktreestore

[Mariano Suárez-Alvarez <msuarezalvarez arnet com ar>]

On Mon, 2007-02-05 at 12:40 -0500, Michael L. Gualtieri wrote:
> I'm having problems selecting a row in a GtkTreeStore.
> 
> I have a treestore with one element in it, that I'd like to select
> when I hit a button.  The button signals are working fine, however the
> row never is selected.  I have tried this with both
> gtk_tree_selection_select_iter and gtk_tree_selection_select_path, and
> neither are working.  I am also sure the path is "0", since I can
> select it by clicking on it and print out the path. 
> 
> 
> Some example code:
> 
> GtkTreeIter iter;
> GtkTreePath * path = gtk_tree_path_new_from_string ("0");
> gtk_tree_model_get_iter (GTK_TREE_MODEL (my_tree_store), &iter, path);
> 
> GtkTreeSelection *selection; 
> selection =
> gtk_tree_view_get_selection(GTK_TREE_VIEW(lookup_widget(window_main,
> "my_treeview")));
> 
> 
> To select I try either this line:
> gtk_tree_selection_select_path(selection, path);
> 
> or this line: 
> gtk_tree_selection_select_iter(selection, &iter);
> 
> 
> 
> When I call gtk_tree_selection_select_path nothing visible happens.
> When calling gtk_tree_selection_select_iter I get this warning:
> 
> Gtk-CRITICAL **: gtk_list_store_get_path: assertion `iter->stamp ==
> GTK_LIST_STORE (tree_model)->stamp' failed 
> 
> 
> I have tried MANY different ways to make the selection happen, but I
> am out of ideas.  I have similar code elsewhere in my app that works
> fine, however it uses a GtkListStore instead.  What is the trick to
> GtkTreeStores? 
> 
That warning means that the iter you are passing to
gtk_tree_selection_select_iter was not gotten from the same tree model
(a ListStore in your case, I guess) as the one your GtkTreeSelection was
gotten from.

Seeing more of your code would enable us to make a better diagnosis.

HTH,

-- m



-- 
Mariano Su�z-Alvarez
http://www.gnome.org/~mariano