diff options
Diffstat (limited to 'ncurses-5.9/ncurses/tinfo/lib_acs.c')
| -rw-r--r-- | ncurses-5.9/ncurses/tinfo/lib_acs.c | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/ncurses-5.9/ncurses/tinfo/lib_acs.c b/ncurses-5.9/ncurses/tinfo/lib_acs.c new file mode 100644 index 0000000..f803ae7 --- /dev/null +++ b/ncurses-5.9/ncurses/tinfo/lib_acs.c @@ -0,0 +1,252 @@ +/**************************************************************************** + * Copyright (c) 1998-2009,2010 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> * + * and: Thomas E. Dickey 1996-on * + * and: Juergen Pfeifer 2008 * + ****************************************************************************/ + +#include <curses.priv.h> + +#ifndef CUR +#define CUR SP_TERMTYPE +#endif + +MODULE_ID("$Id$") + +#if BROKEN_LINKER || USE_REENTRANT +#define MyBuffer _nc_prescreen.real_acs_map +NCURSES_EXPORT(chtype *) +NCURSES_PUBLIC_VAR(acs_map) (void) +{ + if (MyBuffer == 0) + MyBuffer = typeCalloc(chtype, ACS_LEN); + return MyBuffer; +} +#undef MyBuffer +#else +NCURSES_EXPORT_VAR (chtype) acs_map[ACS_LEN] = +{ + 0 +}; +#endif + +#ifdef USE_TERM_DRIVER +NCURSES_EXPORT(chtype) +NCURSES_SP_NAME(_nc_acs_char) (NCURSES_SP_DCLx int c) +{ + chtype *map; + if (c < 0 || c >= ACS_LEN) + return (chtype) 0; + map = (SP_PARM != 0) ? SP_PARM->_acs_map : +#if BROKEN_LINKER || USE_REENTRANT + _nc_prescreen.real_acs_map +#else + acs_map +#endif + ; + return map[c]; +} +#endif /* USE_TERM_DRIVER */ + +NCURSES_EXPORT(void) +NCURSES_SP_NAME(_nc_init_acs) (NCURSES_SP_DCL0) +{ + chtype *fake_map = acs_map; + chtype *real_map = SP_PARM != 0 ? SP_PARM->_acs_map : fake_map; + int j; + + T(("initializing ACS map")); + + /* + * If we're using this from curses (rather than terminfo), we are storing + * the mapping information in the SCREEN struct so we can decide how to + * render it. + */ + if (real_map != fake_map) { + for (j = 1; j < ACS_LEN; ++j) { + real_map[j] = 0; + fake_map[j] = A_ALTCHARSET | (chtype) j; + if (SP_PARM) + SP_PARM->_screen_acs_map[j] = FALSE; + } + } else { + for (j = 1; j < ACS_LEN; ++j) { + real_map[j] = 0; + } + } + + /* + * Initializations for a UNIX-like multi-terminal environment. Use + * ASCII chars and count on the terminfo description to do better. + */ + real_map['l'] = '+'; /* should be upper left corner */ + real_map['m'] = '+'; /* should be lower left corner */ + real_map['k'] = '+'; /* should be upper right corner */ + real_map['j'] = '+'; /* should be lower right corner */ + real_map['u'] = '+'; /* should be tee pointing left */ + real_map['t'] = '+'; /* should be tee pointing right */ + real_map['v'] = '+'; /* should be tee pointing up */ + real_map['w'] = '+'; /* should be tee pointing down */ + real_map['q'] = '-'; /* should be horizontal line */ + real_map['x'] = '|'; /* should be vertical line */ + real_map['n'] = '+'; /* should be large plus or crossover */ + real_map['o'] = '~'; /* should be scan line 1 */ + real_map['s'] = '_'; /* should be scan line 9 */ + real_map['`'] = '+'; /* should be diamond */ + real_map['a'] = ':'; /* should be checker board (stipple) */ + real_map['f'] = '\''; /* should be degree symbol */ + real_map['g'] = '#'; /* should be plus/minus */ + real_map['~'] = 'o'; /* should be bullet */ + real_map[','] = '<'; /* should be arrow pointing left */ + real_map['+'] = '>'; /* should be arrow pointing right */ + real_map['.'] = 'v'; /* should be arrow pointing down */ + real_map['-'] = '^'; /* should be arrow pointing up */ + real_map['h'] = '#'; /* should be board of squares */ + real_map['i'] = '#'; /* should be lantern symbol */ + real_map['0'] = '#'; /* should be solid square block */ + /* these defaults were invented for ncurses */ + real_map['p'] = '-'; /* should be scan line 3 */ + real_map['r'] = '-'; /* should be scan line 7 */ + real_map['y'] = '<'; /* should be less-than-or-equal-to */ + real_map['z'] = '>'; /* should be greater-than-or-equal-to */ + real_map['{'] = '*'; /* should be greek pi */ + real_map['|'] = '!'; /* should be not-equal */ + real_map['}'] = 'f'; /* should be pound-sterling symbol */ + /* thick-line-drawing */ + real_map['L'] = '+'; /* upper left corner */ + real_map['M'] = '+'; /* lower left corner */ + real_map['K'] = '+'; /* upper right corner */ + real_map['J'] = '+'; /* lower right corner */ + real_map['T'] = '+'; /* tee pointing left */ + real_map['U'] = '+'; /* tee pointing right */ + real_map['V'] = '+'; /* tee pointing up */ + real_map['W'] = '+'; /* tee pointing down */ + real_map['Q'] = '-'; /* horizontal line */ + real_map['X'] = '|'; /* vertical line */ + real_map['N'] = '+'; /* large plus or crossover */ + /* double-line-drawing */ + real_map['C'] = '+'; /* upper left corner */ + real_map['D'] = '+'; /* lower left corner */ + real_map['B'] = '+'; /* upper right corner */ + real_map['A'] = '+'; /* lower right corner */ + real_map['G'] = '+'; /* tee pointing left */ + real_map['F'] = '+'; /* tee pointing right */ + real_map['H'] = '+'; /* tee pointing up */ + real_map['I'] = '+'; /* tee pointing down */ + real_map['R'] = '-'; /* horizontal line */ + real_map['Y'] = '|'; /* vertical line */ + real_map['E'] = '+'; /* large plus or crossover */ + +#ifdef USE_TERM_DRIVER + CallDriver_2(SP_PARM, initacs, real_map, fake_map); +#else + if (ena_acs != NULL) { + TPUTS_TRACE("ena_acs"); + putp(ena_acs); + } +#if NCURSES_EXT_FUNCS + /* + * Linux console "supports" the "PC ROM" character set by the coincidence + * that smpch/rmpch and smacs/rmacs have the same values. ncurses has + * no codepage support (see SCO Merge for an example). Outside of the + * values defined in acsc, there are no definitions for the "PC ROM" + * character set (assumed by some applications to be codepage 437), but we + * allow those applications to use those codepoints. + * + * test/blue.c uses this feature. + */ +#define PCH_KLUDGE(a,b) (a != 0 && b != 0 && !strcmp(a,b)) + if (PCH_KLUDGE(enter_pc_charset_mode, enter_alt_charset_mode) && + PCH_KLUDGE(exit_pc_charset_mode, exit_alt_charset_mode)) { + size_t i; + for (i = 1; i < ACS_LEN; ++i) { + if (real_map[i] == 0) { + real_map[i] = (chtype) i; + if (real_map != fake_map) { + if (SP != 0) + SP->_screen_acs_map[i] = TRUE; + } + } + } + } +#endif + + if (acs_chars != NULL) { + size_t i = 0; + size_t length = strlen(acs_chars); + + while (i + 1 < length) { + if (acs_chars[i] != 0 && UChar(acs_chars[i]) < ACS_LEN) { + real_map[UChar(acs_chars[i])] = UChar(acs_chars[i + 1]) | A_ALTCHARSET; + if (SP != 0) + SP->_screen_acs_map[UChar(acs_chars[i])] = TRUE; + } + i += 2; + } + } +#ifdef TRACE + /* Show the equivalent mapping, noting if it does not match the + * given attribute, whether by re-ordering or duplication. + */ + if (USE_TRACEF(TRACE_CALLS)) { + size_t n, m; + char show[ACS_LEN * 2 + 1]; + for (n = 1, m = 0; n < ACS_LEN; n++) { + if (real_map[n] != 0) { + show[m++] = (char) n; + show[m++] = (char) ChCharOf(real_map[n]); + } + } + show[m] = 0; + if (acs_chars == NULL || strcmp(acs_chars, show)) + _tracef("%s acs_chars %s", + (acs_chars == NULL) ? "NULL" : "READ", + _nc_visbuf(acs_chars)); + _tracef("%s acs_chars %s", + (acs_chars == NULL) + ? "NULL" + : (strcmp(acs_chars, show) + ? "DIFF" + : "SAME"), + _nc_visbuf(show)); + _nc_unlock_global(tracef); + } +#endif /* TRACE */ +#endif +} + +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(void) +_nc_init_acs(void) +{ + NCURSES_SP_NAME(_nc_init_acs) (CURRENT_SCREEN); +} +#endif |