1 /****************************************************************************
2 * Copyright (c) 1998,1999,2000,2001 Free Software Foundation, Inc. *
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5 * copy of this software and associated documentation files (the *
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 *
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12 * The above copyright notice and this permission notice shall be included *
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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 1.21 2001/12/23 00:15:10 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"));
61 * Initializations for a UNIX-like multi-terminal environment. Use
62 * ASCII chars and count on the terminfo description to do better.
64 ACS_ULCORNER = '+'; /* should be upper left corner */
65 ACS_LLCORNER = '+'; /* should be lower left corner */
66 ACS_URCORNER = '+'; /* should be upper right corner */
67 ACS_LRCORNER = '+'; /* should be lower right corner */
68 ACS_RTEE = '+'; /* should be tee pointing left */
69 ACS_LTEE = '+'; /* should be tee pointing right */
70 ACS_BTEE = '+'; /* should be tee pointing up */
71 ACS_TTEE = '+'; /* should be tee pointing down */
72 ACS_HLINE = '-'; /* should be horizontal line */
73 ACS_VLINE = '|'; /* should be vertical line */
74 ACS_PLUS = '+'; /* should be large plus or crossover */
75 ACS_S1 = '~'; /* should be scan line 1 */
76 ACS_S9 = '_'; /* should be scan line 9 */
77 ACS_DIAMOND = '+'; /* should be diamond */
78 ACS_CKBOARD = ':'; /* should be checker board (stipple) */
79 ACS_DEGREE = '\''; /* should be degree symbol */
80 ACS_PLMINUS = '#'; /* should be plus/minus */
81 ACS_BULLET = 'o'; /* should be bullet */
82 ACS_LARROW = '<'; /* should be arrow pointing left */
83 ACS_RARROW = '>'; /* should be arrow pointing right */
84 ACS_DARROW = 'v'; /* should be arrow pointing down */
85 ACS_UARROW = '^'; /* should be arrow pointing up */
86 ACS_BOARD = '#'; /* should be board of squares */
87 ACS_LANTERN = '#'; /* should be lantern symbol */
88 ACS_BLOCK = '#'; /* should be solid square block */
89 /* these defaults were invented for ncurses */
90 ACS_S3 = '-'; /* should be scan line 3 */
91 ACS_S7 = '-'; /* should be scan line 7 */
92 ACS_LEQUAL = '<'; /* should be less-than-or-equal-to */
93 ACS_GEQUAL = '>'; /* should be greater-than-or-equal-to */
94 ACS_PI = '*'; /* should be greek pi */
95 ACS_NEQUAL = '!'; /* should be not-equal */
96 ACS_STERLING = 'f'; /* should be pound-sterling symbol */
98 if (ena_acs != NULL) {
99 TPUTS_TRACE("ena_acs");
102 #define ALTCHAR(c) ((chtype)(((unsigned char)(c)) | A_ALTCHARSET))
104 if (acs_chars != NULL) {
106 size_t length = strlen(acs_chars);
109 switch (acs_chars[i]) {
142 acs_map[(unsigned int) acs_chars[i]] =
143 ALTCHAR(acs_chars[i + 1]);
152 /* Show the equivalent mapping, noting if it does not match the
153 * given attribute, whether by re-ordering or duplication.
155 if (_nc_tracing & TRACE_CALLS) {
157 char show[ACS_LEN + 1];
158 for (n = 1, m = 0; n < ACS_LEN; n++) {
159 if (acs_map[n] != 0) {
160 show[m++] = (char) n;
161 show[m++] = ChCharOf(acs_map[n]);
165 _tracef("%s acs_chars %s",
168 : (strcmp(acs_chars, show)