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/****************************************************************************
* Copyright 2018,2020 Thomas E. Dickey *
* Copyright 2017 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* "Software"), to deal in the Software without restriction, including *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, distribute with modifications, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the Software is *
* furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included *
* in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
* *
* Except as contained in this notice, the name(s) of the above copyright *
* holders shall not be used in advertising or otherwise to promote the *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************/
/****************************************************************************
* Author: Thomas E. Dickey *
****************************************************************************/
/*
* Common type definitions and macros for new_pair.c, lib_color.c
*
* $Id: new_pair.h,v 1.10 2020/02/02 23:34:34 tom Exp $
*/
#ifndef NEW_PAIR_H
#define NEW_PAIR_H 1
/* *INDENT-OFF* */
#define LIMIT_TYPED(n,t) \
(t)(((n) > MAX_OF_TYPE(t)) \
? MAX_OF_TYPE(t) \
: ((n) < -MAX_OF_TYPE(t)) \
? -MAX_OF_TYPE(t) \
: (n))
#define limit_COLOR(n) LIMIT_TYPED(n,NCURSES_COLOR_T)
#define limit_PAIRS(n) LIMIT_TYPED(n,NCURSES_PAIRS_T)
#define MAX_XCURSES_PAIR MAX_OF_TYPE(NCURSES_PAIRS_T)
#if NCURSES_EXT_COLORS
#define OPTIONAL_PAIR GCC_UNUSED
#define get_extended_pair(opts, color_pair) \
if ((opts) != NULL) { \
*(int*)(opts) = color_pair; \
}
#define set_extended_pair(opts, color_pair) \
if ((opts) != NULL) { \
color_pair = *(const int*)(opts); \
}
#else
#define OPTIONAL_PAIR /* nothing */
#define get_extended_pair(opts, color_pair) /* nothing */
#define set_extended_pair(opts, color_pair) \
if ((opts) != NULL) { \
color_pair = -1; \
}
#endif
#ifdef NEW_PAIR_INTERNAL
typedef enum {
cpKEEP = -1, /* color pair 0 */
cpFREE = 0, /* free for use */
cpINIT = 1, /* init_pair() */
cpAUTO = 1 /* alloc_pair() */
} CPMODE;
typedef struct _color_pairs
{
int fg;
int bg;
#if NCURSES_EXT_COLORS
int mode; /* tells if the entry is allocated or free */
int prev; /* index of previous item */
int next; /* index of next item */
#endif
}
colorpair_t;
#define MakeColorPair(target,f,b) target.fg = f, target.bg = b
#define isSamePair(a,b) ((a).fg == (b).fg && (a).bg == (b).bg)
#define FORE_OF(c) (c).fg
#define BACK_OF(c) (c).bg
/*
* Ensure that we use color pairs only when colors have been started, and also
* that the index is within the limits of the table which we allocated.
*/
#define ValidPair(sp,pair) \
((sp != 0) && (pair >= 0) && (pair < sp->_pair_limit) && sp->_coloron)
#if NCURSES_EXT_COLORS
extern NCURSES_EXPORT(void) _nc_copy_pairs(SCREEN*, colorpair_t*, colorpair_t*, int);
extern NCURSES_EXPORT(void) _nc_free_ordered_pairs(SCREEN*);
extern NCURSES_EXPORT(void) _nc_reset_color_pair(SCREEN*, int, colorpair_t*);
extern NCURSES_EXPORT(void) _nc_set_color_pair(SCREEN*, int, int);
#else
#define _nc_free_ordered_pairs(sp) /* nothing */
#define _nc_reset_color_pair(sp, pair, data) /* nothing */
#define _nc_set_color_pair(sp, pair, mode) /* nothing */
#endif
#else
typedef struct _color_pairs colorpair_t;
#endif /* NEW_PAIR_INTERNAL */
#if NO_LEAKS
extern NCURSES_EXPORT(void) _nc_new_pair_leaks(SCREEN*);
#endif
/* *INDENT-ON* */
#endif /* NEW_PAIR_H */
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