X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fnew_pair.h;h=dfda890772072e6eded861b1505eba242fabecf3;hp=8c344dab5ce0948e0bc61bbcc9862302ef43431b;hb=a5fe3726f7d4374e9b1551b535c8617b423996f2;hpb=90d42867e1296bc79021006a92032c76e59068b6

diff --git a/ncurses/new_pair.h b/ncurses/new_pair.h
index 8c344dab..dfda8907 100644
--- a/ncurses/new_pair.h
+++ b/ncurses/new_pair.h
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 2017 Free Software Foundation, Inc.                        *
+ * 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            *
@@ -33,30 +34,58 @@
 /*
  * Common type definitions and macros for new_pair.c, lib_color.c
  *
- * $Id: new_pair.h,v 1.2 2017/03/10 09:20:43 tom Exp $
+ * $Id: new_pair.h,v 1.11 2020/04/11 16:43:47 tom Exp $
  */
 
 #ifndef NEW_PAIR_H
 #define NEW_PAIR_H 1
 /* *INDENT-OFF* */
 
-#define USE_NEW_PAIR NCURSES_EXT_COLORS
+#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() */
+    cpINIT = 1			/* initialized */
 } CPMODE;
 
 typedef struct _color_pairs
 {
     int fg;
     int bg;
-#if USE_NEW_PAIR
-    int mode;			/* FIXME - needed? */
+#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
@@ -75,12 +104,15 @@ colorpair_t;
 #define ValidPair(sp,pair) \
     ((sp != 0) && (pair >= 0) && (pair < sp->_pair_limit) && sp->_coloron)
 
-#if USE_NEW_PAIR
-extern NCURSES_EXPORT(void)     _nc_set_color_pair(SCREEN*, int, int);
+#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_set_color_pair(sp, pair, mode) /* nothing */
+#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