1 /****************************************************************************
2 * Copyright (c) 2017 Free Software Foundation, Inc. *
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5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
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8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Thomas E. Dickey *
31 ****************************************************************************/
34 * Common type definitions and macros for new_pair.c, lib_color.c
36 * $Id: new_pair.h,v 1.8 2017/08/11 18:15:11 tom Exp $
43 #define USE_NEW_PAIR NCURSES_EXT_COLORS
45 #define LIMIT_TYPED(n,t) \
46 (t)(((n) > MAX_OF_TYPE(t)) \
48 : ((n) < -MAX_OF_TYPE(t)) \
52 #define limit_COLOR(n) LIMIT_TYPED(n,NCURSES_COLOR_T)
53 #define limit_PAIRS(n) LIMIT_TYPED(n,NCURSES_PAIRS_T)
55 #define MAX_XCURSES_PAIR MAX_OF_TYPE(NCURSES_PAIRS_T)
58 #define OPTIONAL_PAIR GCC_UNUSED
59 #define USE_NEW_PAIR NCURSES_EXT_COLORS
60 #define get_extended_pair(opts, color_pair) \
61 if ((opts) != NULL) { \
62 *(int*)(opts) = color_pair; \
64 #define set_extended_pair(opts, color_pair) \
65 if ((opts) != NULL) { \
66 color_pair = *(const int*)(opts); \
69 #define OPTIONAL_PAIR /* nothing */
70 #define USE_NEW_PAIR NCURSES_EXT_COLORS
71 #define get_extended_pair(opts, color_pair) /* nothing */
72 #define set_extended_pair(opts, color_pair) \
73 if ((opts) != NULL) { \
78 #ifdef NEW_PAIR_INTERNAL
81 cpKEEP = -1, /* color pair 0 */
82 cpFREE = 0, /* free for use */
83 cpINIT = 1, /* init_pair() */
84 cpAUTO = 1 /* alloc_pair() */
87 typedef struct _color_pairs
92 int mode; /* tells if the entry is allocated or free */
93 int prev; /* index of previous item */
94 int next; /* index of next item */
99 #define MakeColorPair(target,f,b) target.fg = f, target.bg = b
100 #define isSamePair(a,b) ((a).fg == (b).fg && (a).bg == (b).bg)
101 #define FORE_OF(c) (c).fg
102 #define BACK_OF(c) (c).bg
105 * Ensure that we use color pairs only when colors have been started, and also
106 * that the index is within the limits of the table which we allocated.
108 #define ValidPair(sp,pair) \
109 ((sp != 0) && (pair >= 0) && (pair < sp->_pair_limit) && sp->_coloron)
112 extern NCURSES_EXPORT(void) _nc_copy_pairs(SCREEN*, colorpair_t*, colorpair_t*, int);
113 extern NCURSES_EXPORT(void) _nc_free_ordered_pairs(SCREEN*);
114 extern NCURSES_EXPORT(void) _nc_reset_color_pair(SCREEN*, int, colorpair_t*);
115 extern NCURSES_EXPORT(void) _nc_set_color_pair(SCREEN*, int, int);
117 #define _nc_free_ordered_pairs(sp) /* nothing */
118 #define _nc_reset_color_pair(sp, pair, data) /* nothing */
119 #define _nc_set_color_pair(sp, pair, mode) /* nothing */
124 typedef struct _color_pairs colorpair_t;
126 #endif /* NEW_PAIR_INTERNAL */
129 extern NCURSES_EXPORT(void) _nc_new_pair_leaks(SCREEN*);
134 #endif /* NEW_PAIR_H */