NetBSD/lib/libcurses/acs.c

130 lines
3.8 KiB
C

/* $NetBSD: acs.c,v 1.11 2002/04/11 18:06:41 mycroft 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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 1.11 2002/04/11 18:06:41 mycroft Exp $");
#endif /* not lint */
#include "curses.h"
#include "curses_private.h"
chtype _acs_char[NUM_ACS];
/*
* __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;
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';
if (screen->tc_ac == NULL)
goto out;
aofac = screen->tc_ac;
while (*aofac != '\0') {
if ((acs = *aofac) == '\0')
return;
if (++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("__init_acs: %c = %c\n", acs, term);
#endif
}
if (screen->tc_eA != NULL)
t_puts(screen->cursesi_genbuf, screen->tc_eA, 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];
}