1 /* $OpenBSD: tty-acs.c,v 1.1 2010/09/11 16:19:22 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2010 Nicholas Marriott <nicm@users.sourceforge.net> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER 15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/types.h> 20 21 #include <stdlib.h> 22 23 #include "tmux.h" 24 25 int tty_acs_cmp(const void *, const void *); 26 27 /* Table mapping ACS entries to UTF-8. */ 28 struct tty_acs_entry { 29 u_char key; 30 const char *string; 31 }; 32 const struct tty_acs_entry tty_acs_table[] = { 33 { '+', "\342\206\222" }, 34 { ',', "\342\206\220" }, 35 { '-', "\342\206\221" }, 36 { '.', "\342\206\223" }, 37 { '0', "\342\226\256" }, 38 { '`', "\342\227\206" }, 39 { 'a', "\342\226\222" }, 40 { 'f', "\302\260" }, 41 { 'g', "\302\261" }, 42 { 'h', "\342\226\222" }, 43 { 'i', "\342\230\203" }, 44 { 'j', "\342\224\230" }, 45 { 'k', "\342\224\220" }, 46 { 'l', "\342\224\214" }, 47 { 'm', "\342\224\224" }, 48 { 'n', "\342\224\274" }, 49 { 'o', "\342\216\272" }, 50 { 'p', "\342\216\273" }, 51 { 'q', "\342\224\200" }, 52 { 'r', "\342\216\274" }, 53 { 's', "\342\216\275" }, 54 { 't', "\342\224\234" }, 55 { 'u', "\342\224\244" }, 56 { 'v', "\342\224\264" }, 57 { 'w', "\342\224\254" }, 58 { 'x', "\342\224\202" }, 59 { 'y', "\342\211\244" }, 60 { 'z', "\342\211\245" }, 61 { '{', "\317\200" }, 62 { '|', "\342\211\240" }, 63 { '}', "\302\243" }, 64 { '~', "\302\267" } 65 }; 66 67 int 68 tty_acs_cmp(const void *key, const void *value) 69 { 70 const struct tty_acs_entry *entry = value; 71 u_char ch; 72 73 ch = *(u_char *) key; 74 return (ch - entry->key); 75 } 76 77 /* Retrieve ACS to output as a string. */ 78 const char * 79 tty_acs_get(struct tty *tty, u_char ch) 80 { 81 struct tty_acs_entry *entry; 82 83 /* If not a UTF-8 terminal, use the ACS set. */ 84 if (!(tty->flags & TTY_UTF8)) { 85 if (tty->term->acs[ch][0] == '\0') 86 return (NULL); 87 return (&tty->term->acs[ch][0]); 88 } 89 90 /* Otherwise look up the UTF-8 translation. */ 91 entry = bsearch(&ch, 92 tty_acs_table, nitems(tty_acs_table), sizeof tty_acs_table[0], 93 tty_acs_cmp); 94 if (entry == NULL) 95 return (NULL); 96 return (entry->string); 97 } 98