summaryrefslogtreecommitdiff
path: root/lib/libcurses/lib_acs.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/libcurses/lib_acs.c')
-rw-r--r--lib/libcurses/lib_acs.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/lib/libcurses/lib_acs.c b/lib/libcurses/lib_acs.c
new file mode 100644
index 00000000000..ba867d7cc73
--- /dev/null
+++ b/lib/libcurses/lib_acs.c
@@ -0,0 +1,113 @@
+
+/***************************************************************************
+* COPYRIGHT NOTICE *
+****************************************************************************
+* ncurses is copyright (C) 1992-1995 *
+* Zeyd M. Ben-Halim *
+* zmbenhal@netcom.com *
+* Eric S. Raymond *
+* esr@snark.thyrsus.com *
+* *
+* Permission is hereby granted to reproduce and distribute ncurses *
+* by any means and for any fee, whether alone or as part of a *
+* larger distribution, in source or in binary form, PROVIDED *
+* this notice is included with any such distribution, and is not *
+* removed from any of its header files. Mention of ncurses in any *
+* applications linked with it is highly appreciated. *
+* *
+* ncurses comes AS IS with no warranty, implied or expressed. *
+* *
+***************************************************************************/
+
+
+
+#include "curses.priv.h"
+#include "term.h" /* ena_acs, acs_chars */
+#include <string.h>
+
+chtype acs_map[128];
+
+void init_acs(void)
+{
+ T(("initializing ACS map"));
+
+ /*
+ * Initializations for a UNIX-like multi-terminal environment. Use
+ * ASCII chars and count on the terminfo description to do better.
+ */
+ ACS_ULCORNER = '+'; /* should be upper left corner */
+ ACS_LLCORNER = '+'; /* should be lower left corner */
+ ACS_URCORNER = '+'; /* should be upper right corner */
+ ACS_LRCORNER = '+'; /* should be lower right corner */
+ ACS_RTEE = '+'; /* should be tee pointing left */
+ ACS_LTEE = '+'; /* should be tee pointing right */
+ ACS_BTEE = '+'; /* should be tee pointing up */
+ ACS_TTEE = '+'; /* should be tee pointing down */
+ ACS_HLINE = '-'; /* should be horizontal line */
+ ACS_VLINE = '|'; /* should be vertical line */
+ ACS_PLUS = '+'; /* should be large plus or crossover */
+ ACS_S1 = '~'; /* should be scan line 1 */
+ ACS_S9 = '_'; /* should be scan line 9 */
+ ACS_DIAMOND = '+'; /* should be diamond */
+ ACS_CKBOARD = ':'; /* should be checker board (stipple) */
+ ACS_DEGREE = '\''; /* should be degree symbol */
+ ACS_PLMINUS = '#'; /* should be plus/minus */
+ ACS_BULLET = 'o'; /* should be bullet */
+ ACS_LARROW = '<'; /* should be arrow pointing left */
+ ACS_RARROW = '>'; /* should be arrow pointing right */
+ ACS_DARROW = 'v'; /* should be arrow pointing down */
+ ACS_UARROW = '^'; /* should be arrow pointing up */
+ ACS_BOARD = '#'; /* should be board of squares */
+ ACS_LANTERN = '#'; /* should be lantern symbol */
+ ACS_BLOCK = '#'; /* should be solid square block */
+ /* these defaults were invented for ncurses */
+ ACS_S3 = '-'; /* should be scan line 3 */
+ ACS_S7 = '-'; /* should be scan line 7 */
+ ACS_LEQUAL = '<'; /* should be less-than-or-equal-to */
+ ACS_GEQUAL = '>'; /* should be greater-than-or-equal-to */
+ ACS_PI = '*'; /* should be greek pi */
+ ACS_NEQUAL = '!'; /* should be not-equal */
+ ACS_STERLING = 'f'; /* should be pound-sterling symbol */
+
+#ifdef ena_acs
+ if (ena_acs != NULL)
+ {
+ TPUTS_TRACE("ena_acs");
+ putp(ena_acs);
+ }
+#endif /* ena_acs */
+
+#ifdef acs_chars
+#define ALTCHAR(c) ((chtype)(c) & A_CHARTEXT) | A_ALTCHARSET
+
+ if (acs_chars != NULL) {
+ size_t i = 0;
+ size_t length = strlen(acs_chars);
+
+ while (i < length)
+ switch (acs_chars[i]) {
+ case 'l':case 'm':case 'k':case 'j':
+ case 'u':case 't':case 'v':case 'w':
+ case 'q':case 'x':case 'n':case 'o':
+ case 's':case '`':case 'a':case 'f':
+ case 'g':case '~':case ',':case '+':
+ case '.':case '-':case 'h':case 'I':
+ case '0':case 'p':case 'r':case 'y':
+ case 'z':case '{':case '|':case '}':
+ acs_map[(unsigned int)acs_chars[i]] =
+ ALTCHAR(acs_chars[i+1]);
+ i++;
+ /* FALLTHRU */
+ default:
+ i++;
+ break;
+ }
+ }
+#ifdef TRACE
+ else {
+ T(("acsc not defined, using default mapping"));
+ }
+#endif /* TRACE */
+#endif /* acs_char */
+}
+