[gtk+] Recalculate heights when a (new) separator func is set on GtkTreeView

[Kristian Rietveld <kristian src gnome org>]

commit 5ec80eb5ba09409ef36d8b9430d681bbd49e2872
Author: Kristian Rietveld <kris gtk org>
Date:   Fri Sep 4 16:56:05 2009 +0200

    Recalculate heights when a (new) separator func is set on GtkTreeView

 gtk/gtktreeview.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtktreeview.c b/gtk/gtktreeview.c
index 7c66a55..665720f 100644
--- a/gtk/gtktreeview.c
+++ b/gtk/gtktreeview.c
@@ -15010,6 +15010,10 @@ gtk_tree_view_set_row_separator_func (GtkTreeView                 *tree_view,
   tree_view->priv->row_separator_func = func;
   tree_view->priv->row_separator_data = data;
   tree_view->priv->row_separator_destroy = destroy;
+
+  /* Have the tree recalculate heights */
+  _gtk_rbtree_mark_invalid (tree_view->priv->tree);
+  gtk_widget_queue_resize (GTK_WIDGET (tree_view));
 }