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/* $OpenBSD: lib_acs.c,v 1.4 1997/12/14 23:15:46 millert Exp $ */
/***************************************************************************
* 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 */
MODULE_ID("Id: lib_acs.c,v 1.12 1997/12/02 20:17:46 Alexander.V.Lukyanov Exp $")
chtype acs_map[ACS_LEN];
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)(((unsigned char)(c)) | 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
/* Show the equivalent mapping, noting if it does not match the
* given attribute, whether by re-ordering or duplication.
*/
if (_nc_tracing & TRACE_CALLS) {
size_t n, m;
char show[SIZEOF(acs_map) + 1];
for (n = 1, m = 0; n < SIZEOF(acs_map); n++) {
if (acs_map[n] != 0) {
show[m++] = (char)n;
show[m++] = TextOf(acs_map[n]);
}
}
show[m] = 0;
_tracef("%s acs_chars %s",
(acs_chars == NULL)
? "NULL"
: (strcmp(acs_chars, show)
? "DIFF"
: "SAME"),
_nc_visbuf(show));
}
#endif /* TRACE */
#endif /* acs_char */
}
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