[gnome-control-center] Avoid duplicate entries for custom keybindings

[Matthias Clasen <matthiasc src gnome org>]

commit 8effcb317ca59f4bdbfd3d64d2f442843e37d81d
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jan 21 01:27:23 2011 -0500

    Avoid duplicate entries for custom keybindings
    
    The a11y keybindings live in /desktop/gnome/keybindings as well,
    and we don't want to show them twice. So filter them out.

 panels/keyboard/keyboard-shortcuts.c |   33 ++++++++++++++++++++++++++++++---
 1 files changed, 30 insertions(+), 3 deletions(-)
---
diff --git a/panels/keyboard/keyboard-shortcuts.c b/panels/keyboard/keyboard-shortcuts.c
index 0deebc6..5e9b8b5 100644
--- a/panels/keyboard/keyboard-shortcuts.c
+++ b/panels/keyboard/keyboard-shortcuts.c
@@ -145,6 +145,28 @@ free_key_array (GPtrArray *keys)
 }
 
 static gboolean
+has_gconf_key (const gchar *name)
+{
+  GHashTableIter iter;
+  GPtrArray *keys;
+  gint i;
+
+  g_hash_table_iter_init (&iter, kb_sections);
+  while (g_hash_table_iter_next (&iter, NULL, (gpointer *)&keys))
+    {
+      for (i = 0; i < keys->len; i++)
+        {
+          KeyEntry *entry = g_ptr_array_index (keys, i);
+
+          if (g_strcmp0 (name, entry->gconf_key) == 0)
+            return TRUE;
+        }
+    }
+
+  return FALSE;
+}
+
+static gboolean
 should_show_key (const KeyListEntry *entry)
 {
   int value;
@@ -685,9 +707,14 @@ append_sections_from_gconf (GtkBuilder *builder, const gchar *gconf_path)
   for (l = custom_list; l != NULL; l = l->next)
     {
       key.name = g_strconcat (l->data, "/binding", NULL);
-      key.cmd_name = g_strconcat (l->data, "/action", NULL);
-      key.description_name = g_strconcat (l->data, "/name", NULL);
-      g_array_append_val (entries, key);
+      if (!has_gconf_key (key.name))
+        {
+          key.cmd_name = g_strconcat (l->data, "/action", NULL);
+          key.description_name = g_strconcat (l->data, "/name", NULL);
+          g_array_append_val (entries, key);
+        }
+      else
+        g_free (key.name);
 
       g_free (l->data);
     }