+/* values for text alignment */
+#define ALIGN_LEFT (1 << 0)
+#define ALIGN_RIGHT (1 << 1)
+#define ALIGN_CENTER (1 << 2)
+
+#define ALIGN_DEFAULT ALIGN_LEFT
+
+#define ALIGNED_XPOS(x,w,a) ((a) == ALIGN_CENTER ? (x) - (w) / 2 : \
+ (a) == ALIGN_RIGHT ? (x) - (w) : (x))
+#define ALIGNED_MENU_XPOS(p) ALIGNED_XPOS((p)->x, (p)->width, (p)->align)
+#define ALIGNED_MENU_YPOS(p) ((p)->y)
+