[gnome-control-center/gnome-3-16] common: Dismiss dialog if the activated row was already ticked

[Rui Matos <rtcm src gnome org>]

commit dc78cdafa3fcfd85396feffdde68cb45fded361e
Author: Rui Matos <tiagomatos gmail com>
Date:   Tue Jul 7 17:17:35 2015 +0200

    common: Dismiss dialog if the activated row was already ticked
    
    This makes the dialog a bit friendlier to use.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=752001

 panels/common/cc-language-chooser.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)
---
diff --git a/panels/common/cc-language-chooser.c b/panels/common/cc-language-chooser.c
index de58306..39d2fc3 100644
--- a/panels/common/cc-language-chooser.c
+++ b/panels/common/cc-language-chooser.c
@@ -37,6 +37,7 @@
 #include <libgnome-desktop/gnome-languages.h>
 
 typedef struct {
+        GtkWidget *done_button;
         GtkWidget *no_results;
         GtkListBoxRow *more_item;
         GtkWidget *filter_entry;
@@ -358,7 +359,13 @@ row_activated (GtkListBox        *box,
                 return;
         }
         new_locale_id = g_object_get_data (G_OBJECT (row), "locale-id");
-        set_locale_id (chooser, new_locale_id);
+        if (g_strcmp0 (new_locale_id, priv->language) == 0) {
+                gtk_dialog_response (GTK_DIALOG (chooser),
+                                     gtk_dialog_get_response_for_widget (GTK_DIALOG (chooser),
+                                                                         priv->done_button));
+        } else {
+                set_locale_id (chooser, new_locale_id);
+        }
 }
 
 static void
@@ -397,6 +404,7 @@ cc_language_chooser_new (GtkWidget *parent)
         g_object_set_data_full (G_OBJECT (chooser), "private", priv, cc_language_chooser_private_free);
         g_object_set_data_full (G_OBJECT (chooser), "builder", builder, g_object_unref);
 
+        priv->done_button = WID ("ok-button");
         priv->filter_entry = WID ("language-filter-entry");
         priv->language_list = WID ("language-list");
         priv->scrolledwindow = WID ("language-scrolledwindow");