[rhythmbox] display-page-model: update parent rows on visibility changes

[Jonathan Matthew <jmatthew src gnome org>]

commit 709cdbf77fd9625f230926bf310f45c068e6bedb
Author: Jonathan Matthew <jonathan d14n org>
Date:   Mon Jul 1 22:35:00 2013 +1000

    display-page-model: update parent rows on visibility changes
    
    This makes showing and hiding of expanders more reliable.

 sources/rb-display-page-model.c |   16 ++++++++++++----
 1 files changed, 12 insertions(+), 4 deletions(-)
---
diff --git a/sources/rb-display-page-model.c b/sources/rb-display-page-model.c
index 75354df..94907c3 100644
--- a/sources/rb-display-page-model.c
+++ b/sources/rb-display-page-model.c
@@ -612,11 +612,19 @@ page_notify_cb (GObject *object,
        gtk_tree_model_row_changed (model, path, &iter);
        gtk_tree_path_free (path);
 
-       /* update the page group's visibility */
        if (g_strcmp0 (pspec->name, "visibility") == 0 && RB_IS_DISPLAY_PAGE_GROUP (page) == FALSE) {
-               GtkTreeIter group_iter;
-               walk_up_to_page_group (model, &group_iter, &iter);
-               update_group_visibility (model, &group_iter, page_model);
+               GtkTreeIter piter;
+
+               /* update the parent in case it needs to hide or show its expander */
+               if (gtk_tree_model_iter_parent (model, &piter, &iter)) {
+                       path = gtk_tree_model_get_path (model, &piter);
+                       gtk_tree_model_row_changed (model, path, &piter);
+                       gtk_tree_path_free (path);
+               }
+
+               /* update the page group's visibility */
+               walk_up_to_page_group (model, &piter, &iter);
+               update_group_visibility (model, &piter, page_model);
        }
 }