1 /* $OpenBSD: lib_wacs.c,v 1.1 2010/09/06 17:26:17 nicm Exp $ */ 2 3 /**************************************************************************** 4 * Copyright (c) 2002,2006 Free Software Foundation, Inc. * 5 * * 6 * Permission is hereby granted, free of charge, to any person obtaining a * 7 * copy of this software and associated documentation files (the * 8 * "Software"), to deal in the Software without restriction, including * 9 * without limitation the rights to use, copy, modify, merge, publish, * 10 * distribute, distribute with modifications, sublicense, and/or sell * 11 * copies of the Software, and to permit persons to whom the Software is * 12 * furnished to do so, subject to the following conditions: * 13 * * 14 * The above copyright notice and this permission notice shall be included * 15 * in all copies or substantial portions of the Software. * 16 * * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 24 * * 25 * Except as contained in this notice, the name(s) of the above copyright * 26 * holders shall not be used in advertising or otherwise to promote the * 27 * sale, use or other dealings in this Software without prior written * 28 * authorization. * 29 ****************************************************************************/ 30 31 /**************************************************************************** 32 * Author: Thomas Dickey 2002 * 33 ****************************************************************************/ 34 35 #include <curses.priv.h> 36 #include <term.h> 37 38 MODULE_ID("$Id: lib_wacs.c,v 1.1 2010/09/06 17:26:17 nicm Exp $") 39 40 NCURSES_EXPORT_VAR(cchar_t) * _nc_wacs = 0; 41 42 NCURSES_EXPORT(void) 43 _nc_init_wacs(void) 44 { 45 /* *INDENT-OFF* */ 46 static const struct { 47 int map; 48 int value[2]; 49 } table[] = { 50 /* VT100 symbols */ 51 { 'l', { '+', 0x250c }}, /* upper left corner */ 52 { 'm', { '+', 0x2514 }}, /* lower left corner */ 53 { 'k', { '+', 0x2510 }}, /* upper right corner */ 54 { 'j', { '+', 0x2518 }}, /* lower right corner */ 55 { 't', { '+', 0x251c }}, /* tee pointing left */ 56 { 'u', { '+', 0x2524 }}, /* tee pointing right */ 57 { 'v', { '+', 0x2534 }}, /* tee pointing up */ 58 { 'w', { '+', 0x252c }}, /* tee pointing down */ 59 { 'q', { '-', 0x2500 }}, /* horizontal line */ 60 { 'x', { '|', 0x2502 }}, /* vertical line */ 61 { 'n', { '+', 0x253c }}, /* large plus or crossover */ 62 { 'o', { '~', 0x23ba }}, /* scan line 1 */ 63 { 's', { '_', 0x23bd }}, /* scan line 9 */ 64 { '`', { '+', 0x25c6 }}, /* diamond */ 65 { 'a', { ':', 0x2592 }}, /* checker board (stipple) */ 66 { 'f', { '\'', 0x00b0 }}, /* degree symbol */ 67 { 'g', { '#', 0x00b1 }}, /* plus/minus */ 68 { '~', { 'o', 0x00b7 }}, /* bullet */ 69 /* Teletype 5410v1 symbols */ 70 { ',', { '<', 0x2190 }}, /* arrow pointing left */ 71 { '+', { '>', 0x2192 }}, /* arrow pointing right */ 72 { '.', { 'v', 0x2193 }}, /* arrow pointing down */ 73 { '-', { '^', 0x2191 }}, /* arrow pointing up */ 74 { 'h', { '#', 0x2592 }}, /* board of squares */ 75 { 'i', { '#', 0x2603 }}, /* lantern symbol */ 76 { '0', { '#', 0x25ae }}, /* solid square block */ 77 /* these defaults were invented for ncurses */ 78 { 'p', { '-', 0x23bb }}, /* scan line 3 */ 79 { 'r', { '-', 0x23bc }}, /* scan line 7 */ 80 { 'y', { '<', 0x2264 }}, /* less-than-or-equal-to */ 81 { 'z', { '>', 0x2265 }}, /* greater-than-or-equal-to */ 82 { '{', { '*', 0x03c0 }}, /* greek pi */ 83 { '|', { '!', 0x2260 }}, /* not-equal */ 84 { '}', { 'f', 0x00a3 }}, /* pound-sterling symbol */ 85 }; 86 /* *INDENT-ON* */ 87 88 unsigned n, m; 89 int active = _nc_unicode_locale(); 90 91 /* 92 * If we're running in a UTF-8 locale, will use the Unicode equivalents 93 * rather than the terminfo information. Actually the terminfo should 94 * be the rule, but there are people who are offended by the notion that 95 * a Unicode-capable terminal would have something resembling a mode. 96 * So the smacs/rmacs may be disabled -- sometime. 97 */ 98 T(("initializing WIDE-ACS map (Unicode is%s active)", 99 active ? "" : " not")); 100 101 _nc_wacs = typeCalloc(cchar_t, ACS_LEN); 102 for (n = 0; n < SIZEOF(table); ++n) { 103 int wide = wcwidth(table[n].value[active]); 104 105 m = table[n].map; 106 if (active && (wide == 1)) { 107 SetChar(_nc_wacs[m], table[n].value[active], A_NORMAL); 108 } else if (acs_map[m] & A_ALTCHARSET) { 109 SetChar(_nc_wacs[m], m, A_ALTCHARSET); 110 } else { 111 SetChar(_nc_wacs[m], table[n].value[0], A_NORMAL); 112 } 113 114 T(("#%d, SetChar(%c, %#04x) = %s", 115 n, m, 116 table[n].value[active], 117 _tracecchar_t(&_nc_wacs[m]))); 118 } 119 } 120