[nautilus] toolbar: Set button arrow icons according to locale's text direction

[Yosef Or Boczko <yoseforb src gnome org>]

commit e55e42b1acfd4046a52ecd8efe049ed519458d70
Author: Yosef Or Boczko <yoseforb gmail com>
Date:   Mon Jul 29 18:41:28 2013 +0300

    toolbar: Set button arrow icons according to locale's text direction
    
    https://bugzilla.gnome.org/show_bug.cgi?id=705072

 src/nautilus-toolbar.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/src/nautilus-toolbar.c b/src/nautilus-toolbar.c
index 15575fd..9ef565b 100644
--- a/src/nautilus-toolbar.c
+++ b/src/nautilus-toolbar.c
@@ -408,9 +408,12 @@ nautilus_toolbar_constructed (GObject *obj)
        GtkToolItem *back_forward;
        GtkToolItem *tool_item;
        GtkUIManager *ui_manager;
+       gboolean rtl;
 
        G_OBJECT_CLASS (nautilus_toolbar_parent_class)->constructed (obj);
 
+       rtl = gtk_widget_get_default_direction () == GTK_TEXT_DIR_RTL;
+
        ui_manager = nautilus_window_get_ui_manager (self->priv->window);
 
        gtk_style_context_set_junction_sides (gtk_widget_get_style_context (GTK_WIDGET (self)),
@@ -433,11 +436,15 @@ nautilus_toolbar_constructed (GObject *obj)
 
        /* Back */
        tool_button = toolbar_create_toolbutton (self, FALSE, FALSE, NAUTILUS_ACTION_BACK, NULL);
+       gtk_action_set_icon_name (gtk_activatable_get_related_action (tool_button),
+                                 rtl ? "go-previous-rtl-symbolic" : "go-previous-symbolic");
        navigation_button_setup_menu (self, tool_button, NAUTILUS_NAVIGATION_DIRECTION_BACK);
        gtk_container_add (GTK_CONTAINER (box), GTK_WIDGET (tool_button));
 
        /* Forward */
        tool_button = toolbar_create_toolbutton (self, FALSE, FALSE, NAUTILUS_ACTION_FORWARD, NULL);
+       gtk_action_set_icon_name (gtk_activatable_get_related_action (tool_button),
+                                 rtl ? "go-next-rtl-symbolic" : "go-next-symbolic");
        navigation_button_setup_menu (self, tool_button, NAUTILUS_NAVIGATION_DIRECTION_FORWARD);
        gtk_container_add (GTK_CONTAINER (box), GTK_WIDGET (tool_button));