1 /****************************************************************************
2 * Copyright (c) 1998-2001,2002 Free Software Foundation, Inc. *
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6 * "Software"), to deal in the Software without restriction, including *
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9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
31 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
32 ****************************************************************************/
34 #include <curses.priv.h>
35 #include <term.h> /* ena_acs, acs_chars */
37 MODULE_ID("$Id: lib_acs.c,v 1.22 2002/09/01 19:26:57 tom Exp $")
40 NCURSES_EXPORT_VAR(chtype *)
43 static chtype *the_map = 0;
45 the_map = typeCalloc(chtype, ACS_LEN);
49 NCURSES_EXPORT_VAR(chtype) acs_map[ACS_LEN] =
58 T(("initializing ACS map"));
60 memset(acs_map, 0, sizeof(acs_map));
64 * Initializations for a UNIX-like multi-terminal environment. Use
65 * ASCII chars and count on the terminfo description to do better.
67 ACS_ULCORNER = '+'; /* should be upper left corner */
68 ACS_LLCORNER = '+'; /* should be lower left corner */
69 ACS_URCORNER = '+'; /* should be upper right corner */
70 ACS_LRCORNER = '+'; /* should be lower right corner */
71 ACS_RTEE = '+'; /* should be tee pointing left */
72 ACS_LTEE = '+'; /* should be tee pointing right */
73 ACS_BTEE = '+'; /* should be tee pointing up */
74 ACS_TTEE = '+'; /* should be tee pointing down */
75 ACS_HLINE = '-'; /* should be horizontal line */
76 ACS_VLINE = '|'; /* should be vertical line */
77 ACS_PLUS = '+'; /* should be large plus or crossover */
78 ACS_S1 = '~'; /* should be scan line 1 */
79 ACS_S9 = '_'; /* should be scan line 9 */
80 ACS_DIAMOND = '+'; /* should be diamond */
81 ACS_CKBOARD = ':'; /* should be checker board (stipple) */
82 ACS_DEGREE = '\''; /* should be degree symbol */
83 ACS_PLMINUS = '#'; /* should be plus/minus */
84 ACS_BULLET = 'o'; /* should be bullet */
85 ACS_LARROW = '<'; /* should be arrow pointing left */
86 ACS_RARROW = '>'; /* should be arrow pointing right */
87 ACS_DARROW = 'v'; /* should be arrow pointing down */
88 ACS_UARROW = '^'; /* should be arrow pointing up */
89 ACS_BOARD = '#'; /* should be board of squares */
90 ACS_LANTERN = '#'; /* should be lantern symbol */
91 ACS_BLOCK = '#'; /* should be solid square block */
92 /* these defaults were invented for ncurses */
93 ACS_S3 = '-'; /* should be scan line 3 */
94 ACS_S7 = '-'; /* should be scan line 7 */
95 ACS_LEQUAL = '<'; /* should be less-than-or-equal-to */
96 ACS_GEQUAL = '>'; /* should be greater-than-or-equal-to */
97 ACS_PI = '*'; /* should be greek pi */
98 ACS_NEQUAL = '!'; /* should be not-equal */
99 ACS_STERLING = 'f'; /* should be pound-sterling symbol */
101 if (ena_acs != NULL) {
102 TPUTS_TRACE("ena_acs");
105 #define ALTCHAR(c) ((chtype)(((unsigned char)(c)) | A_ALTCHARSET))
107 if (acs_chars != NULL) {
109 size_t length = strlen(acs_chars);
112 switch (acs_chars[i]) {
145 acs_map[(unsigned int) acs_chars[i]] =
146 ALTCHAR(acs_chars[i + 1]);
155 /* Show the equivalent mapping, noting if it does not match the
156 * given attribute, whether by re-ordering or duplication.
158 if (_nc_tracing & TRACE_CALLS) {
160 char show[ACS_LEN + 1];
161 for (n = 1, m = 0; n < ACS_LEN; n++) {
162 if (acs_map[n] != 0) {
163 show[m++] = (char) n;
164 show[m++] = ChCharOf(acs_map[n]);
168 _tracef("%s acs_chars %s",
171 : (strcmp(acs_chars, show)