stylecontext: always add the ARROW style class when rendering an arrow

When gtk_render_arrow() is called, always add an ARROW style class to
the GtkStyleContext before rendering, so themes can specify a different
color for it.

https://bugzilla.gnome.org/show_bug.cgi?id=665420

diff --git a/gtk/gtkstylecontext.c b/gtk/gtkstylecontext.c
index 9711d038acadac9dd16aff70a96459d9134ad640..0a6b43ce7ce347c01885015f1824bb07d52b7661 100644 (file)
--- a/gtk/gtkstylecontext.c
+++ b/gtk/gtkstylecontext.c
@@ -3716,12 +3716,16 @@ gtk_render_arrow (GtkStyleContext *context,
 
   cairo_save (cr);
 
+  gtk_style_context_save (context);
+  gtk_style_context_add_class (context, GTK_STYLE_CLASS_ARROW);
+
   store_animation_region (context, x, y, size, size);
 
   _gtk_theming_engine_set_context (priv->theming_engine, context);
   engine_class->render_arrow (priv->theming_engine, cr,
                               angle, x, y, size);
 
+  gtk_style_context_restore (context);
   cairo_restore (cr);
 }