[gnome-control-center] common: Add separators to the language chooser list

[Rui Matos <rtcm src gnome org>]

commit e1c563d38b3aac22545458b17b8ab6de7a6415bd
Author: Rui Matos <tiagomatos gmail com>
Date:   Wed Mar 6 21:25:11 2013 +0100

    common: Add separators to the language chooser list
    
    https://bugzilla.gnome.org/show_bug.cgi?id=695465

 panels/common/cc-language-chooser.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
---
diff --git a/panels/common/cc-language-chooser.c b/panels/common/cc-language-chooser.c
index 8ba4c7b..3b7fed3 100644
--- a/panels/common/cc-language-chooser.c
+++ b/panels/common/cc-language-chooser.c
@@ -392,6 +392,22 @@ end_refilter (EggListBox *list_box,
 }
 
 static void
+update_separator_func (GtkWidget **separator,
+                       GtkWidget  *child,
+                       GtkWidget  *before,
+                       gpointer    user_data)
+{
+        if (before == NULL)
+                return;
+
+        if (*separator == NULL) {
+                *separator = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL);
+                g_object_ref_sink (*separator);
+                gtk_widget_show (*separator);
+        }
+}
+
+static void
 cc_language_chooser_private_free (gpointer data)
 {
         CcLanguageChooserPrivate *priv = data;
@@ -441,6 +457,8 @@ cc_language_chooser_new (GtkWidget *parent)
                                       language_visible, chooser, NULL);
         egg_list_box_set_selection_mode (EGG_LIST_BOX (priv->language_list),
                                          GTK_SELECTION_NONE);
+        egg_list_box_set_separator_funcs (EGG_LIST_BOX (priv->language_list),
+                                          update_separator_func, NULL, NULL);
         add_all_languages (GTK_DIALOG (chooser));
 
         g_signal_connect_swapped (priv->filter_entry, "changed",