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acs.c revision 1.2 
      1 /*	$NetBSD: acs.c,v 1.2 2000/04/11 13:57:08 blymn Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Julian Coleman.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include "curses.h"
     40 #include "curses_private.h"
     41 
     42 chtype _acs_char[NUM_ACS];
     43 
     44 /*
     45  * __init_acs --
     46  *	Fill in the ACS characters.  The 'ac' termcap entry is a list of
     47  *	character pairs - ACS definition then terminal representation.
     48  */
     49 void
     50 __init_acs()
     51 {
     52 	int	count;
     53 	char	*aofac;	/* Address of 'ac' */
     54 	char	acs, term;
     55 
     56 	/* Default value '+' for all ACS characters */
     57 	for (count=0; count < NUM_ACS; count++)
     58 		_acs_char[count]= '+';
     59 
     60 	/* Add the SUSv2 defaults (those that are not '+') */
     61 	ACS_RARROW = '>';
     62 	ACS_LARROW = '<';
     63 	ACS_UARROW = '^';
     64 	ACS_DARROW = 'v';
     65 	ACS_BLOCK = '#';
     66 /*	ACS_DIAMOND = '+';	*/
     67 	ACS_CKBOARD = ':';
     68 	ACS_DEGREE = 39;	/* ' */
     69 	ACS_PLMINUS = '#';
     70 	ACS_BOARD = '#';
     71 	ACS_LANTERN = '#';
     72 /*	ACS_LRCORNER = '+';	*/
     73 /*	ACS_URCORNER = '+';	*/
     74 /*	ACS_ULCORNER = '+';	*/
     75 /*	ACS_LLCORNER = '+';	*/
     76 /*	ACS_PLUS = '+';		*/
     77 	ACS_HLINE = '-';
     78 	ACS_S1 = '-';
     79 	ACS_S9 = '_';
     80 /*	ACS_LTEE = '+';		*/
     81 /*	ACS_RTEE = '+';		*/
     82 /*	ACS_BTEE = '+';		*/
     83 /*	ACS_TTEE = '+';		*/
     84 	ACS_VLINE = '|';
     85 	ACS_BULLET = 'o';
     86 
     87 	if (AC == NULL)
     88 		return;
     89 
     90 	aofac = AC;
     91 
     92 	while (*aofac != '\0') {
     93 		if ((acs = *aofac) == '\0')
     94 			return;
     95 		if (++aofac == '\0')
     96 			return;
     97 		if ((term = *aofac) == '\0')
     98 			return;
     99 		if (acs > 0) 	/* Only add characters 1 to 127 */
    100 			_acs_char[acs] = term | __ALTCHARSET;
    101 		aofac++;
    102 #ifdef DEBUG
    103 		__CTRACE("__init_acs: %c = %c\n", acs, term);
    104 #endif
    105 	}
    106 
    107 	if (Ea != NULL)
    108 		tputs(Ea, 0, __cputchar);
    109 }
    110