/**************************************************************************** * Copyright (c) 1998,1999,2000,2001 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * * "Software"), to deal in the Software without restriction, including * * without limitation the rights to use, copy, modify, merge, publish, * * distribute, distribute with modifications, sublicense, and/or sell * * copies of the Software, and to permit persons to whom the Software is * * furnished to do so, subject to the following conditions: * * * * The above copyright notice and this permission notice shall be included * * in all copies or substantial portions of the Software. * * * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * * * Except as contained in this notice, the name(s) of the above copyright * * holders shall not be used in advertising or otherwise to promote the * * sale, use or other dealings in this Software without prior written * * authorization. * ****************************************************************************/ /**************************************************************************** * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * * and: Eric S. Raymond <esr@snark.thyrsus.com> * ****************************************************************************/ #include <curses.priv.h> #include <term.h> /* ena_acs, acs_chars */ MODULE_ID("$Id: lib_acs.c,v 1.1.1.2 2002/01/03 23:53:43 jevans Exp $") #if BROKEN_LINKER NCURSES_EXPORT_VAR(chtype *) _nc_acs_map(void) { static chtype *the_map = 0; if (the_map == 0) the_map = typeCalloc(chtype, ACS_LEN); return the_map; } #else NCURSES_EXPORT_VAR(chtype) acs_map[ACS_LEN] = { 0 }; #endif NCURSES_EXPORT(void) _nc_init_acs(void) { T(("initializing ACS map")); /* * Initializations for a UNIX-like multi-terminal environment. Use * ASCII chars and count on the terminfo description to do better. */ ACS_ULCORNER = '+'; /* should be upper left corner */ ACS_LLCORNER = '+'; /* should be lower left corner */ ACS_URCORNER = '+'; /* should be upper right corner */ ACS_LRCORNER = '+'; /* should be lower right corner */ ACS_RTEE = '+'; /* should be tee pointing left */ ACS_LTEE = '+'; /* should be tee pointing right */ ACS_BTEE = '+'; /* should be tee pointing up */ ACS_TTEE = '+'; /* should be tee pointing down */ ACS_HLINE = '-'; /* should be horizontal line */ ACS_VLINE = '|'; /* should be vertical line */ ACS_PLUS = '+'; /* should be large plus or crossover */ ACS_S1 = '~'; /* should be scan line 1 */ ACS_S9 = '_'; /* should be scan line 9 */ ACS_DIAMOND = '+'; /* should be diamond */ ACS_CKBOARD = ':'; /* should be checker board (stipple) */ ACS_DEGREE = '\''; /* should be degree symbol */ ACS_PLMINUS = '#'; /* should be plus/minus */ ACS_BULLET = 'o'; /* should be bullet */ ACS_LARROW = '<'; /* should be arrow pointing left */ ACS_RARROW = '>'; /* should be arrow pointing right */ ACS_DARROW = 'v'; /* should be arrow pointing down */ ACS_UARROW = '^'; /* should be arrow pointing up */ ACS_BOARD = '#'; /* should be board of squares */ ACS_LANTERN = '#'; /* should be lantern symbol */ ACS_BLOCK = '#'; /* should be solid square block */ /* these defaults were invented for ncurses */ ACS_S3 = '-'; /* should be scan line 3 */ ACS_S7 = '-'; /* should be scan line 7 */ ACS_LEQUAL = '<'; /* should be less-than-or-equal-to */ ACS_GEQUAL = '>'; /* should be greater-than-or-equal-to */ ACS_PI = '*'; /* should be greek pi */ ACS_NEQUAL = '!'; /* should be not-equal */ ACS_STERLING = 'f'; /* should be pound-sterling symbol */ if (ena_acs != NULL) { TPUTS_TRACE("ena_acs"); putp(ena_acs); } #define ALTCHAR(c) ((chtype)(((unsigned char)(c)) | A_ALTCHARSET)) if (acs_chars != NULL) { size_t i = 0; size_t length = strlen(acs_chars); while (i < length) switch (acs_chars[i]) { case 'l': case 'm': case 'k': case 'j': case 'u': case 't': case 'v': case 'w': case 'q': case 'x': case 'n': case 'o': case 's': case '`': case 'a': case 'f': case 'g': case '~': case ',': case '+': case '.': case '-': case 'h': case 'i': case '0': case 'p': case 'r': case 'y': case 'z': case '{': case '|': case '}': acs_map[(unsigned int) acs_chars[i]] = ALTCHAR(acs_chars[i + 1]); i++; /* FALLTHRU */ default: i++; break; } } #ifdef TRACE /* Show the equivalent mapping, noting if it does not match the * given attribute, whether by re-ordering or duplication. */ if (_nc_tracing & TRACE_CALLS) { size_t n, m; char show[ACS_LEN + 1]; for (n = 1, m = 0; n < ACS_LEN; n++) { if (acs_map[n] != 0) { show[m++] = (char) n; show[m++] = ChCharOf(acs_map[n]); } } show[m] = 0; _tracef("%s acs_chars %s", (acs_chars == NULL) ? "NULL" : (strcmp(acs_chars, show) ? "DIFF" : "SAME"), _nc_visbuf(show)); } #endif /* TRACE */ }