1 /****************************************************************************
2 * Copyright (c) 1998 Free Software Foundation, Inc. *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
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 *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
31 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
32 ****************************************************************************/
36 #include <curses.priv.h>
37 #include <term.h> /* ena_acs, acs_chars */
39 MODULE_ID("$Id: lib_acs.c,v 1.15 1999/02/18 11:31:43 tom Exp $")
41 chtype acs_map[ACS_LEN];
43 void _nc_init_acs(void)
45 T(("initializing ACS map"));
48 * Initializations for a UNIX-like multi-terminal environment. Use
49 * ASCII chars and count on the terminfo description to do better.
51 ACS_ULCORNER = '+'; /* should be upper left corner */
52 ACS_LLCORNER = '+'; /* should be lower left corner */
53 ACS_URCORNER = '+'; /* should be upper right corner */
54 ACS_LRCORNER = '+'; /* should be lower right corner */
55 ACS_RTEE = '+'; /* should be tee pointing left */
56 ACS_LTEE = '+'; /* should be tee pointing right */
57 ACS_BTEE = '+'; /* should be tee pointing up */
58 ACS_TTEE = '+'; /* should be tee pointing down */
59 ACS_HLINE = '-'; /* should be horizontal line */
60 ACS_VLINE = '|'; /* should be vertical line */
61 ACS_PLUS = '+'; /* should be large plus or crossover */
62 ACS_S1 = '~'; /* should be scan line 1 */
63 ACS_S9 = '_'; /* should be scan line 9 */
64 ACS_DIAMOND = '+'; /* should be diamond */
65 ACS_CKBOARD = ':'; /* should be checker board (stipple) */
66 ACS_DEGREE = '\''; /* should be degree symbol */
67 ACS_PLMINUS = '#'; /* should be plus/minus */
68 ACS_BULLET = 'o'; /* should be bullet */
69 ACS_LARROW = '<'; /* should be arrow pointing left */
70 ACS_RARROW = '>'; /* should be arrow pointing right */
71 ACS_DARROW = 'v'; /* should be arrow pointing down */
72 ACS_UARROW = '^'; /* should be arrow pointing up */
73 ACS_BOARD = '#'; /* should be board of squares */
74 ACS_LANTERN = '#'; /* should be lantern symbol */
75 ACS_BLOCK = '#'; /* should be solid square block */
76 /* these defaults were invented for ncurses */
77 ACS_S3 = '-'; /* should be scan line 3 */
78 ACS_S7 = '-'; /* should be scan line 7 */
79 ACS_LEQUAL = '<'; /* should be less-than-or-equal-to */
80 ACS_GEQUAL = '>'; /* should be greater-than-or-equal-to */
81 ACS_PI = '*'; /* should be greek pi */
82 ACS_NEQUAL = '!'; /* should be not-equal */
83 ACS_STERLING = 'f'; /* should be pound-sterling symbol */
87 TPUTS_TRACE("ena_acs");
91 #define ALTCHAR(c) ((chtype)(((unsigned char)(c)) | A_ALTCHARSET))
93 if (acs_chars != NULL) {
95 size_t length = strlen(acs_chars);
98 switch (acs_chars[i]) {
99 case 'l':case 'm':case 'k':case 'j':
100 case 'u':case 't':case 'v':case 'w':
101 case 'q':case 'x':case 'n':case 'o':
102 case 's':case '`':case 'a':case 'f':
103 case 'g':case '~':case ',':case '+':
104 case '.':case '-':case 'h':case 'i':
105 case '0':case 'p':case 'r':case 'y':
106 case 'z':case '{':case '|':case '}':
107 acs_map[(unsigned int)acs_chars[i]] =
108 ALTCHAR(acs_chars[i+1]);
117 /* Show the equivalent mapping, noting if it does not match the
118 * given attribute, whether by re-ordering or duplication.
120 if (_nc_tracing & TRACE_CALLS) {
122 char show[SIZEOF(acs_map) + 1];
123 for (n = 1, m = 0; n < SIZEOF(acs_map); n++) {
124 if (acs_map[n] != 0) {
126 show[m++] = TextOf(acs_map[n]);
130 _tracef("%s acs_chars %s",
133 : (strcmp(acs_chars, show)