-#define RECT_CONTAINS(r, x, y) \
- ((x) >= (r).x && (x) < (r).x + (r).width && \
- (y) >= (r).y && (y) < (r).y + (r).height)
+#define RECT_CONTAINS(r, px, py) \
+ ((px) >= (r).x && (px) < (r).x + (r).width && \
+ (py) >= (r).y && (py) < (r).y + (r).height)