diff options
Diffstat (limited to 'ncurses-5.3/ncurses/tinfo/lib_acs.c')
| -rw-r--r-- | ncurses-5.3/ncurses/tinfo/lib_acs.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/ncurses-5.3/ncurses/tinfo/lib_acs.c b/ncurses-5.3/ncurses/tinfo/lib_acs.c new file mode 100644 index 0000000..8633c16 --- /dev/null +++ b/ncurses-5.3/ncurses/tinfo/lib_acs.c @@ -0,0 +1,177 @@ +/**************************************************************************** + * Copyright (c) 1998-2001,2002 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("$Id$") + +#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")); +#if !BROKEN_LINKER + memset(acs_map, 0, sizeof(acs_map)); +#endif + + /* + * 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 */ +} |