[nautilus] desktop: add a nautilus-desktop style class to the desktop canvas

[Cosimo Cecchi <cosimoc src gnome org>]

commit 8b676a68b698b705a6008c89d53fded1cf635981
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Wed Sep 7 14:37:40 2011 -0400

    desktop: add a nautilus-desktop style class to the desktop canvas
    
    So that themes can tweak the color/background of desktop canvas items
    separately.

 libnautilus-private/nautilus-icon-container.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/libnautilus-private/nautilus-icon-container.c b/libnautilus-private/nautilus-icon-container.c
index 3e5c09d..f9ee2f5 100644
--- a/libnautilus-private/nautilus-icon-container.c
+++ b/libnautilus-private/nautilus-icon-container.c
@@ -8456,6 +8456,13 @@ nautilus_icon_container_set_is_desktop (NautilusIconContainer *container,
 	g_return_if_fail (NAUTILUS_IS_ICON_CONTAINER (container));
 
 	container->details->is_desktop = is_desktop;
+
+	if (is_desktop) {
+		GtkStyleContext *context;
+
+		context = gtk_widget_get_style_context (GTK_WIDGET (container));
+		gtk_style_context_add_class (context, "nautilus-desktop");
+	}
 }
 
 void