[gdm] unset tree view model to hide row add/remove signals from gail

[William Jon McCann <mccann src gnome org>]

commit 278e2090a9890841d44c141b3a1d757d74af37b5
Author: William Jon McCann <jmccann redhat com>
Date:   Thu Jun 10 18:31:46 2010 -0400

    unset tree view model to hide row add/remove signals from gail
    
    Otherwise gail will try to do horrific and expensive things
    on each module row-inserted or row-removed signal.

 gui/simple-greeter/gdm-chooser-widget.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/gui/simple-greeter/gdm-chooser-widget.c b/gui/simple-greeter/gdm-chooser-widget.c
index 6659ee1..56c7422 100644
--- a/gui/simple-greeter/gdm-chooser-widget.c
+++ b/gui/simple-greeter/gdm-chooser-widget.c
@@ -700,6 +700,7 @@ set_inactive_items_visible (GdmChooserWidget *widget,
                             gboolean          should_show)
 {
         GtkTreeModel *model;
+        GtkTreeModel *view_model;
         char         *active_item_id;
         GtkTreeIter   active_item_iter;
         GtkTreeIter   iter;
@@ -715,6 +716,11 @@ set_inactive_items_visible (GdmChooserWidget *widget,
                 return;
         }
 
+        /* unset tree view model to hide row add/remove signals from gail */
+        view_model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget->priv->items_view));
+        g_object_ref (view_model);
+        gtk_tree_view_set_model (GTK_TREE_VIEW (widget->priv->items_view), NULL);
+
         g_debug ("GdmChooserWidget: Setting inactive items visible: %s", should_show ? "true" : "false");
 
         do {
@@ -733,6 +739,9 @@ set_inactive_items_visible (GdmChooserWidget *widget,
                 }
         } while (gtk_tree_model_iter_next (model, &iter));
 
+        gtk_tree_view_set_model (GTK_TREE_VIEW (widget->priv->items_view), view_model);
+        g_object_unref (view_model);
+
         g_free (active_item_id);
 
         update_separator_visibility (widget);