+// #define USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
+#ifdef USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
+ // This method of drawing the red border doesn't work on any
+ // Gtk theme which uses the crux-engine, hcengine, industrial,
+ // mist, or ubuntulooks engine, such as the default ubuntu
+ // 'Human' theme.
+ drawing_frame->modify_bg(Gtk::STATE_NORMAL,Gdk::Color("#FF0000"));
+#else
+ // So let's do it in a more primitive fashion.
+ gc->set_rgb_fg_color(Gdk::Color("#FF0000"));