ncurses 6.0 - patch 20180106

[ncurses.git] / ncurses / new_pair.h

diff --git a/ncurses/new_pair.h b/ncurses/new_pair.h
index 8c344dab5ce0948e0bc61bbcc9862302ef43431b..4dbeb9dc0fb949141eaf21e5ad48f975874a60b9 100644 (file)
--- a/ncurses/new_pair.h
+++ b/ncurses/new_pair.h
@@ -33,7 +33,7 @@
 /*
  * 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 1.8 2017/08/11 18:15:11 tom Exp $
  */
 
 #ifndef NEW_PAIR_H
@@ -42,6 +42,39 @@
 
 #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 USE_NEW_PAIR
+#define OPTIONAL_PAIR  GCC_UNUSED
+#define USE_NEW_PAIR NCURSES_EXT_COLORS
+#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 USE_NEW_PAIR NCURSES_EXT_COLORS
+#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 {
@@ -56,7 +89,7 @@ typedef struct _color_pairs
     int fg;
     int bg;
 #if USE_NEW_PAIR
-    int mode;                  /* FIXME - needed? */
+    int mode;                  /* tells if the entry is allocated or free */
     int prev;                  /* index of previous item */
     int next;                  /* index of next item */
 #endif
@@ -76,11 +109,14 @@ colorpair_t;
     ((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);
+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