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Arquivotheca.SunOS-4.1.4/usr.lib/libcurses/screen/init_acs.c
seta75D ff309bfe1c Init
2021-10-11 18:37:13 -03:00

109 lines
2.8 KiB
C

/* Copyright (c) 1984 AT&T */
/* All Rights Reserved */
/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
/* The copyright notice above does not evidence any */
/* actual or intended publication of such source code. */
#ifndef lint
static char sccsid[] = "@(#)init_acs.c 1.1 94/10/31 SMI"; /* from S5R3.1 1.4 */
#endif
#include "curses_inc.h"
/*
* When the keyboard can send more than eight bits, offsets array
* should be changed from chars to shorts.
* The offsets MUST match what is in curses.h.
*/
static unsigned char offsets[][2] =
{
{ '`', '*' }, /* ACS_DIAMOND */
{ 'a', ':' }, /* ACS_CKBOARD */
{ 'f', '\'' }, /* ACS_DEGREE */
{ 'g', '#' }, /* ACS_PLMINUS */
{ 'o', '-' }, /* ACS_S1 */
{ 'q', '-' }, /* ACS_HLINE */
{ 's', '_' }, /* ACS_S9 */
{ 'x', '|' }, /* ACS_VLINE */
{ '~', 'o' }, /* ACS_BULLET */
{ ',', '<' }, /* ACS_LARROW */
{ '+', '>' }, /* ACS_RARROW */
{ '.', 'v' }, /* ACS_DARROW */
{ '-', '^' }, /* ACS_UARROW */
{ 'h', '#' }, /* ACS_BOARD */
{ 'i', '#' }, /* ACS_LANTERN */
{ '0', '#' }, /* ACS_BLOCK */
};
init_acs()
{
register chtype *nacsmap;
register char *cp;
register int i = sizeof(offsets) / 2, to_get, must_output;
#ifdef _VR3_COMPAT_CODE
if ((nacsmap = cur_term->_acs32map = (chtype *) malloc(sizeof(chtype) * 0400)) == NULL)
#else /* _VR3_COMPAT_CODE */
if ((nacsmap = cur_term->_acsmap = (chtype *) malloc(sizeof(chtype) * 0400)) == NULL)
#endif /* _VR3_COMPAT_CODE */
{
#ifdef _VR3_COMPAT_CODE
bad:
#endif /* _VR3_COMPAT_CODE */
term_errno = TERM_BAD_MALLOC;
#ifdef DEBUG
strcpy(term_parm_err, "init_acs");
#endif /* DEBUG */
return (ERR);
}
/* Default acs chars for regular ASCII terminals are plus signs. */
memSset(nacsmap, (chtype) '+', 0400);
/*
* Now load in defaults for some of the characters which have close
* approximations in the normal ascii set.
*/
while (i-- > 0)
nacsmap[offsets[i][0]] = offsets[i][1];
/* Now do mapping for terminals own ACS, if any */
if (cp = acs_chars)
while (*cp)
{
to_get = *cp++; /* to get this ... */
must_output = *cp++; /* must output this ... */
#ifdef DEBUG
if (outf)
fprintf(outf, "acs %d, was %d, now %d\n",
to_get, nacsmap[to_get], must_output);
#endif /* DEBUG */
nacsmap[to_get] = must_output | A_ALTCHARSET;
}
acs_map = nacsmap;
#ifdef _VR3_COMPAT_CODE
if (_y16update)
{
register _ochtype *n16acsmap;
if ((n16acsmap = cur_term->_acsmap = (_ochtype *) malloc(sizeof(_ochtype) * 0400)) == NULL)
{
goto bad;
}
for (i = 0; i < 0400; i++)
n16acsmap[i] = _TO_OCHTYPE(nacsmap[i]);
#undef acs_map
acs_map = n16acsmap;
}
#endif /* _VR3_COMPAT_CODE */
return (OK);
}