+#define GDI_WHEEL_AREA_X 40
+#define GDI_WHEEL_AREA_Y 41
+#define GDI_WHEEL_AREA_WIDTH 42
+#define GDI_WHEEL_AREA_HEIGHT 43
+#define GDI_INFO_TEXT 44
+#define GDI_ACTIVE 45
+#define GDI_DIRECT_DRAW 46
+
+/* gadget deactivation hack */
+#define GDI_ACTIVE_POS(a) ((a) < 0 ? POS_OFFSCREEN : (a))
+