(svn r6954) -Feature: Constrain the drawing of a string inside an editbox to the dimensions of
the widget it is in. This allows for typing longer text into an editbox (if maxwidth
allows of course) and scroll around properly.
/* $Id$ */
#ifndef TRACK_DIR_HPP
#define TRACK_DIR_HPP
EXTERN_C_BEGIN
#include "../tile.h"
#include "../openttd.h"
#include "../map.h"
#include "../rail.h"
EXTERN_C_END
/** Helpers to allow to work with enum as with type safe bit set in C++ */
#define DECLARE_ENUM_AS_BIT_MASK(mask_t) \
FORCEINLINE mask_t operator | (mask_t m1, mask_t m2) {return (mask_t)((int)m1 | m2);} \
FORCEINLINE mask_t operator & (mask_t m1, mask_t m2) {return (mask_t)((int)m1 & m2);} \
FORCEINLINE mask_t operator ^ (mask_t m1, mask_t m2) {return (mask_t)((int)m1 ^ m2);} \
FORCEINLINE mask_t& operator |= (mask_t& m1, mask_t m2) {m1 = m1 | m2; return m1;} \
FORCEINLINE mask_t& operator &= (mask_t& m1, mask_t m2) {m1 = m1 & m2; return m1;} \
FORCEINLINE mask_t& operator ^= (mask_t& m1, mask_t m2) {m1 = m1 ^ m2; return m1;} \
FORCEINLINE mask_t operator ~(mask_t m) {return (mask_t)(~(int)m);}
/** probably redundant enum combining operators (as we have conversion functions) */
#define DECLARE_ENUM_AS_BIT_INDEX(idx_t, mask_t) \
FORCEINLINE mask_t operator << (int m, idx_t i) {return (mask_t)(m << (int)i);} \
FORCEINLINE mask_t operator << (mask_t m, int i) {return (mask_t)(((int)m) << i);} \
FORCEINLINE mask_t operator >> (mask_t m, int i) {return (mask_t)(((int)m) >> i);}
DECLARE_ENUM_AS_BIT_MASK(TrackBits);
DECLARE_ENUM_AS_BIT_INDEX(Track, TrackBits);
DECLARE_ENUM_AS_BIT_MASK(TrackdirBits);
DECLARE_ENUM_AS_BIT_INDEX(Trackdir, TrackdirBits);
#endif /* TRACK_DIR_HPP */