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NetBSD/lib/libcurses/acs.c

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/* $NetBSD: acs.c,v 1.19 2010/02/25 10:56:24 drochner Exp $ */
/*
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Julian Coleman.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: acs.c,v 1.19 2010/02/25 10:56:24 drochner Exp $");
#endif /* not lint */
#include "curses.h"
#include "curses_private.h"
chtype _acs_char[NUM_ACS];
#ifdef HAVE_WCHAR
#include <assert.h>
#include <locale.h>
#include <langinfo.h>
#include <strings.h>
cchar_t _wacs_char[ NUM_ACS ];
#endif /* HAVE_WCHAR */
/*
* __init_acs --
* Fill in the ACS characters. The 'ac' termcap entry is a list of
* character pairs - ACS definition then terminal representation.
*/
void
__init_acs(SCREEN *screen)
{
int count;
const char *aofac; /* Address of 'ac' */
unsigned char acs, term;
/* Default value '+' for all ACS characters */
for (count=0; count < NUM_ACS; count++)
_acs_char[count]= '+';
/* Add the SUSv2 defaults (those that are not '+') */
ACS_RARROW = '>';
ACS_LARROW = '<';
ACS_UARROW = '^';
ACS_DARROW = 'v';
ACS_BLOCK = '#';
/* ACS_DIAMOND = '+'; */
ACS_CKBOARD = ':';
ACS_DEGREE = 39; /* ' */
ACS_PLMINUS = '#';
ACS_BOARD = '#';
ACS_LANTERN = '#';
/* ACS_LRCORNER = '+'; */
/* ACS_URCORNER = '+'; */
/* ACS_ULCORNER = '+'; */
/* ACS_LLCORNER = '+'; */
/* ACS_PLUS = '+'; */
ACS_HLINE = '-';
ACS_S1 = '-';
ACS_S9 = '_';
/* ACS_LTEE = '+'; */
/* ACS_RTEE = '+'; */
/* ACS_BTEE = '+'; */
/* ACS_TTEE = '+'; */
ACS_VLINE = '|';
ACS_BULLET = 'o';
/* Add the extensions defaults */
ACS_S3 = '-';
ACS_S7 = '-';
ACS_LEQUAL = '<';
ACS_GEQUAL = '>';
ACS_PI = '*';
ACS_NEQUAL = '!';
ACS_STERLING = 'f';
if (t_acs_chars(screen->term) == NULL)
goto out;
aofac = t_acs_chars(screen->term);
while (*aofac != '\0') {
if ((acs = *aofac) == '\0')
return;
if ((term = *++aofac) == '\0')
return;
/* Only add characters 1 to 127 */
if (acs < NUM_ACS)
_acs_char[acs] = term | __ALTCHARSET;
aofac++;
#ifdef DEBUG
__CTRACE(__CTRACE_INIT, "__init_acs: %c = %c\n", acs, term);
#endif
}
if (t_ena_acs(screen->term) != NULL)
ti_puts(screen->term, t_ena_acs(screen->term), 0,
__cputchar_args, screen->outfd);
out:
for (count=0; count < NUM_ACS; count++)
screen->acs_char[count]= _acs_char[count];
}
void
_cursesi_reset_acs(SCREEN *screen)
{
int count;
for (count=0; count < NUM_ACS; count++)
_acs_char[count]= screen->acs_char[count];
}
#ifdef HAVE_WCHAR
/*
* __init_wacs --
* Fill in the ACS characters. The 'ac' termcap entry is a list of
* character pairs - ACS definition then terminal representation.
*/
void
__init_wacs(SCREEN *screen)
{
int count;
const char *aofac; /* Address of 'ac' */
unsigned char acs, term;
char *lstr;
/* Default value '+' for all ACS characters */
for (count=0; count < NUM_ACS; count++) {
_wacs_char[ count ].vals[ 0 ] = ( wchar_t )btowc( '+' );
_wacs_char[ count ].attributes = 0;
_wacs_char[ count ].elements = 1;
}
/* Add the SUSv2 defaults (those that are not '+') */
if (!strcmp(setlocale(LC_CTYPE, NULL), "C"))
setlocale(LC_CTYPE, "");
lstr = nl_langinfo(CODESET);
_DIAGASSERT(lstr);
if (strcasecmp(lstr, "UTF-8")) {
#ifdef DEBUG
__CTRACE(__CTRACE_INIT, "__init_wacs: setting defaults\n" );
#endif /* DEBUG */
WACS_RARROW->vals[0] = ( wchar_t )btowc( '>' );
WACS_LARROW->vals[0] = ( wchar_t )btowc( '<' );
WACS_UARROW->vals[0] = ( wchar_t )btowc( '^' );
WACS_DARROW->vals[0] = ( wchar_t )btowc( 'v' );
WACS_BLOCK->vals[0] = ( wchar_t )btowc( '#' );
WACS_CKBOARD->vals[0] = ( wchar_t )btowc( ':' );
WACS_DEGREE->vals[0] = ( wchar_t )btowc( 39 ); /* ' */
WACS_PLMINUS->vals[0] = ( wchar_t )btowc( '#' );
WACS_BOARD->vals[0] = ( wchar_t )btowc( '#' );
WACS_LANTERN->vals[0] = ( wchar_t )btowc( '#' );
WACS_HLINE->vals[0] = ( wchar_t )btowc( '-' );
WACS_S1->vals[0] = ( wchar_t )btowc( '-' );
WACS_S9->vals[0] = ( wchar_t )btowc( '_' );
WACS_VLINE->vals[0] = ( wchar_t )btowc( '|' );
WACS_BULLET->vals[0] = ( wchar_t )btowc( 'o' );
WACS_S3->vals[0] = ( wchar_t )btowc( 'p' );
WACS_S7->vals[0] = ( wchar_t )btowc( 'r' );
WACS_LEQUAL->vals[0] = ( wchar_t )btowc( 'y' );
WACS_GEQUAL->vals[0] = ( wchar_t )btowc( 'z' );
WACS_PI->vals[0] = ( wchar_t )btowc( '{' );
WACS_NEQUAL->vals[0] = ( wchar_t )btowc( '|' );
WACS_STERLING->vals[0]= ( wchar_t )btowc( '}' );
} else {
/* Unicode defaults */
#ifdef DEBUG
__CTRACE(__CTRACE_INIT,
"__init_wacs: setting Unicode defaults\n" );
#endif /* DEBUG */
WACS_RARROW->vals[0] = 0x2192;
ACS_RARROW = '+' | __ACS_IS_WACS;
WACS_LARROW->vals[0] = 0x2190;
ACS_LARROW = ',' | __ACS_IS_WACS;
WACS_UARROW->vals[0] = 0x2191;
ACS_UARROW = '-' | __ACS_IS_WACS;
WACS_DARROW->vals[0] = 0x2193;
ACS_DARROW = '.' | __ACS_IS_WACS;
WACS_BLOCK->vals[0] = 0x25ae;
ACS_BLOCK = '0' | __ACS_IS_WACS;
WACS_DIAMOND->vals[0] = 0x25c6;
ACS_DIAMOND = '`' | __ACS_IS_WACS;
WACS_CKBOARD->vals[0] = 0x2592;
ACS_CKBOARD = 'a' | __ACS_IS_WACS;
WACS_DEGREE->vals[0] = 0x00b0;
ACS_DEGREE = 'f' | __ACS_IS_WACS;
WACS_PLMINUS->vals[0] = 0x00b1;
ACS_PLMINUS = 'g' | __ACS_IS_WACS;
WACS_BOARD->vals[0] = 0x2592;
ACS_BOARD = 'h' | __ACS_IS_WACS;
WACS_LANTERN->vals[0] = 0x2603;
ACS_LANTERN = 'i' | __ACS_IS_WACS;
WACS_LRCORNER->vals[0]= 0x2518;
ACS_LRCORNER = 'j' | __ACS_IS_WACS;
WACS_URCORNER->vals[0]= 0x2510;
ACS_URCORNER = 'k' | __ACS_IS_WACS;
WACS_ULCORNER->vals[0]= 0x250c;
ACS_ULCORNER = 'l' | __ACS_IS_WACS;
WACS_LLCORNER->vals[0]= 0x2514;
ACS_LLCORNER = 'm' | __ACS_IS_WACS;
WACS_PLUS->vals[0] = 0x253c;
ACS_PLUS = 'n' | __ACS_IS_WACS;
WACS_HLINE->vals[0] = 0x2500;
ACS_HLINE = 'q' | __ACS_IS_WACS;
WACS_S1->vals[0] = 0x23ba;
ACS_S1 = 'o' | __ACS_IS_WACS;
WACS_S9->vals[0] = 0x23bd;
ACS_S9 = 's' | __ACS_IS_WACS;
WACS_LTEE->vals[0] = 0x251c;
ACS_LTEE = 't' | __ACS_IS_WACS;
WACS_RTEE->vals[0] = 0x2524;
ACS_RTEE = 'u' | __ACS_IS_WACS;
WACS_BTEE->vals[0] = 0x2534;
ACS_BTEE = 'v' | __ACS_IS_WACS;
WACS_TTEE->vals[0] = 0x252c;
ACS_TTEE = 'w' | __ACS_IS_WACS;
WACS_VLINE->vals[0] = 0x2502;
ACS_VLINE = 'x' | __ACS_IS_WACS;
WACS_BULLET->vals[0] = 0x00b7;
ACS_BULLET = '~' | __ACS_IS_WACS;
WACS_S3->vals[0] = 0x23bb;
ACS_S3 = 'p' | __ACS_IS_WACS;
WACS_S7->vals[0] = 0x23bc;
ACS_S7 = 'r' | __ACS_IS_WACS;
WACS_LEQUAL->vals[0] = 0x2264;
ACS_LEQUAL = 'y' | __ACS_IS_WACS;
WACS_GEQUAL->vals[0] = 0x2265;
ACS_GEQUAL = 'z' | __ACS_IS_WACS;
WACS_PI->vals[0] = 0x03C0;
ACS_PI = '{' | __ACS_IS_WACS;
WACS_NEQUAL->vals[0] = 0x2260;
ACS_NEQUAL = '|' | __ACS_IS_WACS;
WACS_STERLING->vals[0]= 0x00A3;
ACS_STERLING = '}' | __ACS_IS_WACS;
}
if (t_acs_chars(screen->term) == NULL) {
#ifdef DEBUG
__CTRACE(__CTRACE_INIT,
"__init_wacs: no alternative characters\n" );
#endif /* DEBUG */
goto out;
}
aofac = t_acs_chars(screen->term);
while (*aofac != '\0') {
if ((acs = *aofac) == '\0')
return;
if ((term = *++aofac) == '\0')
return;
/* Only add characters 1 to 127 */
if (acs < NUM_ACS) {
_wacs_char[acs].vals[ 0 ] = term;
_wacs_char[acs].attributes |= WA_ALTCHARSET;
}
aofac++;
#ifdef DEBUG
__CTRACE(__CTRACE_INIT, "__init_wacs: %c = %c\n", acs, term);
#endif
}
if (t_ena_acs(screen->term) != NULL)
ti_puts(screen->term, t_ena_acs(screen->term), 0,
__cputchar_args, screen->outfd);
out:
for (count=0; count < NUM_ACS; count++) {
memcpy(&screen->wacs_char[count], &_wacs_char[count],
sizeof(cchar_t));
screen->acs_char[count]= _acs_char[count];
}
}
void
_cursesi_reset_wacs(SCREEN *screen)
{
int count;
for (count=0; count < NUM_ACS; count++)
memcpy( &_wacs_char[count], &screen->wacs_char[count],
sizeof( cchar_t ));
}
#endif /* HAVE_WCHAR */
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