tty-term.c revision 1.14
1/* $OpenBSD$ */ 2 3/* 4 * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com> 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#if defined(HAVE_CURSES_H) 22#include <curses.h> 23#elif defined(HAVE_NCURSES_H) 24#include <ncurses.h> 25#endif 26#include <fnmatch.h> 27#include <stdlib.h> 28#include <string.h> 29#include <term.h> 30 31#include "tmux.h" 32 33static char *tty_term_strip(const char *); 34 35struct tty_terms tty_terms = LIST_HEAD_INITIALIZER(tty_terms); 36 37enum tty_code_type { 38 TTYCODE_NONE = 0, 39 TTYCODE_STRING, 40 TTYCODE_NUMBER, 41 TTYCODE_FLAG, 42}; 43 44struct tty_code { 45 enum tty_code_type type; 46 union { 47 char *string; 48 int number; 49 int flag; 50 } value; 51}; 52 53struct tty_term_code_entry { 54 enum tty_code_type type; 55 const char *name; 56}; 57 58static const struct tty_term_code_entry tty_term_codes[] = { 59 [TTYC_ACSC] = { TTYCODE_STRING, "acsc" }, 60 [TTYC_AM] = { TTYCODE_FLAG, "am" }, 61 [TTYC_AX] = { TTYCODE_FLAG, "AX" }, 62 [TTYC_BCE] = { TTYCODE_FLAG, "bce" }, 63 [TTYC_BEL] = { TTYCODE_STRING, "bel" }, 64 [TTYC_BIDI] = { TTYCODE_STRING, "Bidi" }, 65 [TTYC_BLINK] = { TTYCODE_STRING, "blink" }, 66 [TTYC_BOLD] = { TTYCODE_STRING, "bold" }, 67 [TTYC_CIVIS] = { TTYCODE_STRING, "civis" }, 68 [TTYC_CLEAR] = { TTYCODE_STRING, "clear" }, 69 [TTYC_CLMG] = { TTYCODE_STRING, "Clmg" }, 70 [TTYC_CMG] = { TTYCODE_STRING, "Cmg" }, 71 [TTYC_CNORM] = { TTYCODE_STRING, "cnorm" }, 72 [TTYC_COLORS] = { TTYCODE_NUMBER, "colors" }, 73 [TTYC_CR] = { TTYCODE_STRING, "Cr" }, 74 [TTYC_CSR] = { TTYCODE_STRING, "csr" }, 75 [TTYC_CS] = { TTYCODE_STRING, "Cs" }, 76 [TTYC_CUB1] = { TTYCODE_STRING, "cub1" }, 77 [TTYC_CUB] = { TTYCODE_STRING, "cub" }, 78 [TTYC_CUD1] = { TTYCODE_STRING, "cud1" }, 79 [TTYC_CUD] = { TTYCODE_STRING, "cud" }, 80 [TTYC_CUF1] = { TTYCODE_STRING, "cuf1" }, 81 [TTYC_CUF] = { TTYCODE_STRING, "cuf" }, 82 [TTYC_CUP] = { TTYCODE_STRING, "cup" }, 83 [TTYC_CUU1] = { TTYCODE_STRING, "cuu1" }, 84 [TTYC_CUU] = { TTYCODE_STRING, "cuu" }, 85 [TTYC_CVVIS] = { TTYCODE_STRING, "cvvis" }, 86 [TTYC_DCH1] = { TTYCODE_STRING, "dch1" }, 87 [TTYC_DCH] = { TTYCODE_STRING, "dch" }, 88 [TTYC_DIM] = { TTYCODE_STRING, "dim" }, 89 [TTYC_DL1] = { TTYCODE_STRING, "dl1" }, 90 [TTYC_DL] = { TTYCODE_STRING, "dl" }, 91 [TTYC_DSEKS] = { TTYCODE_STRING, "Dseks" }, 92 [TTYC_DSFCS] = { TTYCODE_STRING, "Dsfcs" }, 93 [TTYC_DSBP] = { TTYCODE_STRING, "Dsbp" }, 94 [TTYC_DSMG] = { TTYCODE_STRING, "Dsmg" }, 95 [TTYC_E3] = { TTYCODE_STRING, "E3" }, 96 [TTYC_ECH] = { TTYCODE_STRING, "ech" }, 97 [TTYC_ED] = { TTYCODE_STRING, "ed" }, 98 [TTYC_EL1] = { TTYCODE_STRING, "el1" }, 99 [TTYC_EL] = { TTYCODE_STRING, "el" }, 100 [TTYC_ENACS] = { TTYCODE_STRING, "enacs" }, 101 [TTYC_ENBP] = { TTYCODE_STRING, "Enbp" }, 102 [TTYC_ENEKS] = { TTYCODE_STRING, "Eneks" }, 103 [TTYC_ENFCS] = { TTYCODE_STRING, "Enfcs" }, 104 [TTYC_ENMG] = { TTYCODE_STRING, "Enmg" }, 105 [TTYC_FSL] = { TTYCODE_STRING, "fsl" }, 106 [TTYC_HOME] = { TTYCODE_STRING, "home" }, 107 [TTYC_HPA] = { TTYCODE_STRING, "hpa" }, 108 [TTYC_ICH1] = { TTYCODE_STRING, "ich1" }, 109 [TTYC_ICH] = { TTYCODE_STRING, "ich" }, 110 [TTYC_IL1] = { TTYCODE_STRING, "il1" }, 111 [TTYC_IL] = { TTYCODE_STRING, "il" }, 112 [TTYC_INDN] = { TTYCODE_STRING, "indn" }, 113 [TTYC_INVIS] = { TTYCODE_STRING, "invis" }, 114 [TTYC_KCBT] = { TTYCODE_STRING, "kcbt" }, 115 [TTYC_KCUB1] = { TTYCODE_STRING, "kcub1" }, 116 [TTYC_KCUD1] = { TTYCODE_STRING, "kcud1" }, 117 [TTYC_KCUF1] = { TTYCODE_STRING, "kcuf1" }, 118 [TTYC_KCUU1] = { TTYCODE_STRING, "kcuu1" }, 119 [TTYC_KDC2] = { TTYCODE_STRING, "kDC" }, 120 [TTYC_KDC3] = { TTYCODE_STRING, "kDC3" }, 121 [TTYC_KDC4] = { TTYCODE_STRING, "kDC4" }, 122 [TTYC_KDC5] = { TTYCODE_STRING, "kDC5" }, 123 [TTYC_KDC6] = { TTYCODE_STRING, "kDC6" }, 124 [TTYC_KDC7] = { TTYCODE_STRING, "kDC7" }, 125 [TTYC_KDCH1] = { TTYCODE_STRING, "kdch1" }, 126 [TTYC_KDN2] = { TTYCODE_STRING, "kDN" }, /* not kDN2 */ 127 [TTYC_KDN3] = { TTYCODE_STRING, "kDN3" }, 128 [TTYC_KDN4] = { TTYCODE_STRING, "kDN4" }, 129 [TTYC_KDN5] = { TTYCODE_STRING, "kDN5" }, 130 [TTYC_KDN6] = { TTYCODE_STRING, "kDN6" }, 131 [TTYC_KDN7] = { TTYCODE_STRING, "kDN7" }, 132 [TTYC_KEND2] = { TTYCODE_STRING, "kEND" }, 133 [TTYC_KEND3] = { TTYCODE_STRING, "kEND3" }, 134 [TTYC_KEND4] = { TTYCODE_STRING, "kEND4" }, 135 [TTYC_KEND5] = { TTYCODE_STRING, "kEND5" }, 136 [TTYC_KEND6] = { TTYCODE_STRING, "kEND6" }, 137 [TTYC_KEND7] = { TTYCODE_STRING, "kEND7" }, 138 [TTYC_KEND] = { TTYCODE_STRING, "kend" }, 139 [TTYC_KF10] = { TTYCODE_STRING, "kf10" }, 140 [TTYC_KF11] = { TTYCODE_STRING, "kf11" }, 141 [TTYC_KF12] = { TTYCODE_STRING, "kf12" }, 142 [TTYC_KF13] = { TTYCODE_STRING, "kf13" }, 143 [TTYC_KF14] = { TTYCODE_STRING, "kf14" }, 144 [TTYC_KF15] = { TTYCODE_STRING, "kf15" }, 145 [TTYC_KF16] = { TTYCODE_STRING, "kf16" }, 146 [TTYC_KF17] = { TTYCODE_STRING, "kf17" }, 147 [TTYC_KF18] = { TTYCODE_STRING, "kf18" }, 148 [TTYC_KF19] = { TTYCODE_STRING, "kf19" }, 149 [TTYC_KF1] = { TTYCODE_STRING, "kf1" }, 150 [TTYC_KF20] = { TTYCODE_STRING, "kf20" }, 151 [TTYC_KF21] = { TTYCODE_STRING, "kf21" }, 152 [TTYC_KF22] = { TTYCODE_STRING, "kf22" }, 153 [TTYC_KF23] = { TTYCODE_STRING, "kf23" }, 154 [TTYC_KF24] = { TTYCODE_STRING, "kf24" }, 155 [TTYC_KF25] = { TTYCODE_STRING, "kf25" }, 156 [TTYC_KF26] = { TTYCODE_STRING, "kf26" }, 157 [TTYC_KF27] = { TTYCODE_STRING, "kf27" }, 158 [TTYC_KF28] = { TTYCODE_STRING, "kf28" }, 159 [TTYC_KF29] = { TTYCODE_STRING, "kf29" }, 160 [TTYC_KF2] = { TTYCODE_STRING, "kf2" }, 161 [TTYC_KF30] = { TTYCODE_STRING, "kf30" }, 162 [TTYC_KF31] = { TTYCODE_STRING, "kf31" }, 163 [TTYC_KF32] = { TTYCODE_STRING, "kf32" }, 164 [TTYC_KF33] = { TTYCODE_STRING, "kf33" }, 165 [TTYC_KF34] = { TTYCODE_STRING, "kf34" }, 166 [TTYC_KF35] = { TTYCODE_STRING, "kf35" }, 167 [TTYC_KF36] = { TTYCODE_STRING, "kf36" }, 168 [TTYC_KF37] = { TTYCODE_STRING, "kf37" }, 169 [TTYC_KF38] = { TTYCODE_STRING, "kf38" }, 170 [TTYC_KF39] = { TTYCODE_STRING, "kf39" }, 171 [TTYC_KF3] = { TTYCODE_STRING, "kf3" }, 172 [TTYC_KF40] = { TTYCODE_STRING, "kf40" }, 173 [TTYC_KF41] = { TTYCODE_STRING, "kf41" }, 174 [TTYC_KF42] = { TTYCODE_STRING, "kf42" }, 175 [TTYC_KF43] = { TTYCODE_STRING, "kf43" }, 176 [TTYC_KF44] = { TTYCODE_STRING, "kf44" }, 177 [TTYC_KF45] = { TTYCODE_STRING, "kf45" }, 178 [TTYC_KF46] = { TTYCODE_STRING, "kf46" }, 179 [TTYC_KF47] = { TTYCODE_STRING, "kf47" }, 180 [TTYC_KF48] = { TTYCODE_STRING, "kf48" }, 181 [TTYC_KF49] = { TTYCODE_STRING, "kf49" }, 182 [TTYC_KF4] = { TTYCODE_STRING, "kf4" }, 183 [TTYC_KF50] = { TTYCODE_STRING, "kf50" }, 184 [TTYC_KF51] = { TTYCODE_STRING, "kf51" }, 185 [TTYC_KF52] = { TTYCODE_STRING, "kf52" }, 186 [TTYC_KF53] = { TTYCODE_STRING, "kf53" }, 187 [TTYC_KF54] = { TTYCODE_STRING, "kf54" }, 188 [TTYC_KF55] = { TTYCODE_STRING, "kf55" }, 189 [TTYC_KF56] = { TTYCODE_STRING, "kf56" }, 190 [TTYC_KF57] = { TTYCODE_STRING, "kf57" }, 191 [TTYC_KF58] = { TTYCODE_STRING, "kf58" }, 192 [TTYC_KF59] = { TTYCODE_STRING, "kf59" }, 193 [TTYC_KF5] = { TTYCODE_STRING, "kf5" }, 194 [TTYC_KF60] = { TTYCODE_STRING, "kf60" }, 195 [TTYC_KF61] = { TTYCODE_STRING, "kf61" }, 196 [TTYC_KF62] = { TTYCODE_STRING, "kf62" }, 197 [TTYC_KF63] = { TTYCODE_STRING, "kf63" }, 198 [TTYC_KF6] = { TTYCODE_STRING, "kf6" }, 199 [TTYC_KF7] = { TTYCODE_STRING, "kf7" }, 200 [TTYC_KF8] = { TTYCODE_STRING, "kf8" }, 201 [TTYC_KF9] = { TTYCODE_STRING, "kf9" }, 202 [TTYC_KHOM2] = { TTYCODE_STRING, "kHOM" }, 203 [TTYC_KHOM3] = { TTYCODE_STRING, "kHOM3" }, 204 [TTYC_KHOM4] = { TTYCODE_STRING, "kHOM4" }, 205 [TTYC_KHOM5] = { TTYCODE_STRING, "kHOM5" }, 206 [TTYC_KHOM6] = { TTYCODE_STRING, "kHOM6" }, 207 [TTYC_KHOM7] = { TTYCODE_STRING, "kHOM7" }, 208 [TTYC_KHOME] = { TTYCODE_STRING, "khome" }, 209 [TTYC_KIC2] = { TTYCODE_STRING, "kIC" }, 210 [TTYC_KIC3] = { TTYCODE_STRING, "kIC3" }, 211 [TTYC_KIC4] = { TTYCODE_STRING, "kIC4" }, 212 [TTYC_KIC5] = { TTYCODE_STRING, "kIC5" }, 213 [TTYC_KIC6] = { TTYCODE_STRING, "kIC6" }, 214 [TTYC_KIC7] = { TTYCODE_STRING, "kIC7" }, 215 [TTYC_KICH1] = { TTYCODE_STRING, "kich1" }, 216 [TTYC_KIND] = { TTYCODE_STRING, "kind" }, 217 [TTYC_KLFT2] = { TTYCODE_STRING, "kLFT" }, 218 [TTYC_KLFT3] = { TTYCODE_STRING, "kLFT3" }, 219 [TTYC_KLFT4] = { TTYCODE_STRING, "kLFT4" }, 220 [TTYC_KLFT5] = { TTYCODE_STRING, "kLFT5" }, 221 [TTYC_KLFT6] = { TTYCODE_STRING, "kLFT6" }, 222 [TTYC_KLFT7] = { TTYCODE_STRING, "kLFT7" }, 223 [TTYC_KMOUS] = { TTYCODE_STRING, "kmous" }, 224 [TTYC_KNP] = { TTYCODE_STRING, "knp" }, 225 [TTYC_KNXT2] = { TTYCODE_STRING, "kNXT" }, 226 [TTYC_KNXT3] = { TTYCODE_STRING, "kNXT3" }, 227 [TTYC_KNXT4] = { TTYCODE_STRING, "kNXT4" }, 228 [TTYC_KNXT5] = { TTYCODE_STRING, "kNXT5" }, 229 [TTYC_KNXT6] = { TTYCODE_STRING, "kNXT6" }, 230 [TTYC_KNXT7] = { TTYCODE_STRING, "kNXT7" }, 231 [TTYC_KPP] = { TTYCODE_STRING, "kpp" }, 232 [TTYC_KPRV2] = { TTYCODE_STRING, "kPRV" }, 233 [TTYC_KPRV3] = { TTYCODE_STRING, "kPRV3" }, 234 [TTYC_KPRV4] = { TTYCODE_STRING, "kPRV4" }, 235 [TTYC_KPRV5] = { TTYCODE_STRING, "kPRV5" }, 236 [TTYC_KPRV6] = { TTYCODE_STRING, "kPRV6" }, 237 [TTYC_KPRV7] = { TTYCODE_STRING, "kPRV7" }, 238 [TTYC_KRIT2] = { TTYCODE_STRING, "kRIT" }, 239 [TTYC_KRIT3] = { TTYCODE_STRING, "kRIT3" }, 240 [TTYC_KRIT4] = { TTYCODE_STRING, "kRIT4" }, 241 [TTYC_KRIT5] = { TTYCODE_STRING, "kRIT5" }, 242 [TTYC_KRIT6] = { TTYCODE_STRING, "kRIT6" }, 243 [TTYC_KRIT7] = { TTYCODE_STRING, "kRIT7" }, 244 [TTYC_KRI] = { TTYCODE_STRING, "kri" }, 245 [TTYC_KUP2] = { TTYCODE_STRING, "kUP" }, /* not kUP2 */ 246 [TTYC_KUP3] = { TTYCODE_STRING, "kUP3" }, 247 [TTYC_KUP4] = { TTYCODE_STRING, "kUP4" }, 248 [TTYC_KUP5] = { TTYCODE_STRING, "kUP5" }, 249 [TTYC_KUP6] = { TTYCODE_STRING, "kUP6" }, 250 [TTYC_KUP7] = { TTYCODE_STRING, "kUP7" }, 251 [TTYC_MS] = { TTYCODE_STRING, "Ms" }, 252 [TTYC_OL] = { TTYCODE_STRING, "ol" }, 253 [TTYC_OP] = { TTYCODE_STRING, "op" }, 254 [TTYC_REV] = { TTYCODE_STRING, "rev" }, 255 [TTYC_RGB] = { TTYCODE_FLAG, "RGB" }, 256 [TTYC_RIN] = { TTYCODE_STRING, "rin" }, 257 [TTYC_RI] = { TTYCODE_STRING, "ri" }, 258 [TTYC_RMACS] = { TTYCODE_STRING, "rmacs" }, 259 [TTYC_RMCUP] = { TTYCODE_STRING, "rmcup" }, 260 [TTYC_RMKX] = { TTYCODE_STRING, "rmkx" }, 261 [TTYC_SETAB] = { TTYCODE_STRING, "setab" }, 262 [TTYC_SETAF] = { TTYCODE_STRING, "setaf" }, 263 [TTYC_SETAL] = { TTYCODE_STRING, "setal" }, 264 [TTYC_SETRGBB] = { TTYCODE_STRING, "setrgbb" }, 265 [TTYC_SETRGBF] = { TTYCODE_STRING, "setrgbf" }, 266 [TTYC_SETULC] = { TTYCODE_STRING, "Setulc" }, 267 [TTYC_SE] = { TTYCODE_STRING, "Se" }, 268 [TTYC_SGR0] = { TTYCODE_STRING, "sgr0" }, 269 [TTYC_SITM] = { TTYCODE_STRING, "sitm" }, 270 [TTYC_SMACS] = { TTYCODE_STRING, "smacs" }, 271 [TTYC_SMCUP] = { TTYCODE_STRING, "smcup" }, 272 [TTYC_SMKX] = { TTYCODE_STRING, "smkx" }, 273 [TTYC_SMOL] = { TTYCODE_STRING, "Smol" }, 274 [TTYC_SMSO] = { TTYCODE_STRING, "smso" }, 275 [TTYC_SMULX] = { TTYCODE_STRING, "Smulx" }, 276 [TTYC_SMUL] = { TTYCODE_STRING, "smul" }, 277 [TTYC_SMXX] = { TTYCODE_STRING, "smxx" }, 278 [TTYC_SS] = { TTYCODE_STRING, "Ss" }, 279 [TTYC_SYNC] = { TTYCODE_STRING, "Sync" }, 280 [TTYC_TC] = { TTYCODE_FLAG, "Tc" }, 281 [TTYC_TSL] = { TTYCODE_STRING, "tsl" }, 282 [TTYC_U8] = { TTYCODE_NUMBER, "U8" }, 283 [TTYC_VPA] = { TTYCODE_STRING, "vpa" }, 284 [TTYC_XT] = { TTYCODE_FLAG, "XT" } 285}; 286 287u_int 288tty_term_ncodes(void) 289{ 290 return (nitems(tty_term_codes)); 291} 292 293static char * 294tty_term_strip(const char *s) 295{ 296 const char *ptr; 297 static char buf[8192]; 298 size_t len; 299 300 /* Ignore strings with no padding. */ 301 if (strchr(s, '$') == NULL) 302 return (xstrdup(s)); 303 304 len = 0; 305 for (ptr = s; *ptr != '\0'; ptr++) { 306 if (*ptr == '$' && *(ptr + 1) == '<') { 307 while (*ptr != '\0' && *ptr != '>') 308 ptr++; 309 if (*ptr == '>') 310 ptr++; 311 if (*ptr == '\0') 312 break; 313 } 314 315 buf[len++] = *ptr; 316 if (len == (sizeof buf) - 1) 317 break; 318 } 319 buf[len] = '\0'; 320 321 return (xstrdup(buf)); 322} 323 324static char * 325tty_term_override_next(const char *s, size_t *offset) 326{ 327 static char value[8192]; 328 size_t n = 0, at = *offset; 329 330 if (s[at] == '\0') 331 return (NULL); 332 333 while (s[at] != '\0') { 334 if (s[at] == ':') { 335 if (s[at + 1] == ':') { 336 value[n++] = ':'; 337 at += 2; 338 } else 339 break; 340 } else { 341 value[n++] = s[at]; 342 at++; 343 } 344 if (n == (sizeof value) - 1) 345 return (NULL); 346 } 347 if (s[at] != '\0') 348 *offset = at + 1; 349 else 350 *offset = at; 351 value[n] = '\0'; 352 return (value); 353} 354 355void 356tty_term_apply(struct tty_term *term, const char *capabilities, int quiet) 357{ 358 const struct tty_term_code_entry *ent; 359 struct tty_code *code; 360 size_t offset = 0; 361 char *cp, *value, *s; 362 const char *errstr, *name = term->name; 363 u_int i; 364 int n, remove; 365 366 while ((s = tty_term_override_next(capabilities, &offset)) != NULL) { 367 if (*s == '\0') 368 continue; 369 value = NULL; 370 371 remove = 0; 372 if ((cp = strchr(s, '=')) != NULL) { 373 *cp++ = '\0'; 374 value = xstrdup(cp); 375 if (strunvis(value, cp) == -1) { 376 free(value); 377 value = xstrdup(cp); 378 } 379 } else if (s[strlen(s) - 1] == '@') { 380 s[strlen(s) - 1] = '\0'; 381 remove = 1; 382 } else 383 value = xstrdup(""); 384 385 if (!quiet) { 386 if (remove) 387 log_debug("%s override: %s@", name, s); 388 else if (*value == '\0') 389 log_debug("%s override: %s", name, s); 390 else 391 log_debug("%s override: %s=%s", name, s, value); 392 } 393 394 for (i = 0; i < tty_term_ncodes(); i++) { 395 ent = &tty_term_codes[i]; 396 if (strcmp(s, ent->name) != 0) 397 continue; 398 code = &term->codes[i]; 399 400 if (remove) { 401 code->type = TTYCODE_NONE; 402 continue; 403 } 404 switch (ent->type) { 405 case TTYCODE_NONE: 406 break; 407 case TTYCODE_STRING: 408 if (code->type == TTYCODE_STRING) 409 free(code->value.string); 410 code->value.string = xstrdup(value); 411 code->type = ent->type; 412 break; 413 case TTYCODE_NUMBER: 414 n = strtonum(value, 0, INT_MAX, &errstr); 415 if (errstr != NULL) 416 break; 417 code->value.number = n; 418 code->type = ent->type; 419 break; 420 case TTYCODE_FLAG: 421 code->value.flag = 1; 422 code->type = ent->type; 423 break; 424 } 425 } 426 427 free(value); 428 } 429} 430 431void 432tty_term_apply_overrides(struct tty_term *term) 433{ 434 struct options_entry *o; 435 struct options_array_item *a; 436 union options_value *ov; 437 const char *s; 438 size_t offset; 439 char *first; 440 441 o = options_get_only(global_options, "terminal-overrides"); 442 a = options_array_first(o); 443 while (a != NULL) { 444 ov = options_array_item_value(a); 445 s = ov->string; 446 447 offset = 0; 448 first = tty_term_override_next(s, &offset); 449 if (first != NULL && fnmatch(first, term->name, 0) == 0) 450 tty_term_apply(term, s + offset, 0); 451 a = options_array_next(a); 452 } 453} 454 455struct tty_term * 456tty_term_create(struct tty *tty, char *name, char **caps, u_int ncaps, 457 int *feat, char **cause) 458{ 459 struct tty_term *term; 460 const struct tty_term_code_entry *ent; 461 struct tty_code *code; 462 struct options_entry *o; 463 struct options_array_item *a; 464 union options_value *ov; 465 u_int i, j; 466 const char *s, *acs, *value; 467 size_t offset, namelen; 468 char *first; 469 470 log_debug("adding term %s", name); 471 472 term = xcalloc(1, sizeof *term); 473 term->tty = tty; 474 term->name = xstrdup(name); 475 term->codes = xcalloc(tty_term_ncodes(), sizeof *term->codes); 476 LIST_INSERT_HEAD(&tty_terms, term, entry); 477 478 /* Fill in codes. */ 479 for (i = 0; i < ncaps; i++) { 480 namelen = strcspn(caps[i], "="); 481 if (namelen == 0) 482 continue; 483 value = caps[i] + namelen + 1; 484 485 for (j = 0; j < tty_term_ncodes(); j++) { 486 ent = &tty_term_codes[j]; 487 if (strncmp(ent->name, caps[i], namelen) != 0) 488 continue; 489 if (ent->name[namelen] != '\0') 490 continue; 491 492 code = &term->codes[j]; 493 code->type = TTYCODE_NONE; 494 switch (ent->type) { 495 case TTYCODE_NONE: 496 break; 497 case TTYCODE_STRING: 498 code->type = TTYCODE_STRING; 499 code->value.string = tty_term_strip(value); 500 break; 501 case TTYCODE_NUMBER: 502 code->type = TTYCODE_NUMBER; 503 code->value.number = atoi(value); 504 break; 505 case TTYCODE_FLAG: 506 code->type = TTYCODE_FLAG; 507 code->value.flag = (*value == '1'); 508 break; 509 } 510 } 511 } 512 513 /* Apply terminal features. */ 514 o = options_get_only(global_options, "terminal-features"); 515 a = options_array_first(o); 516 while (a != NULL) { 517 ov = options_array_item_value(a); 518 s = ov->string; 519 520 offset = 0; 521 first = tty_term_override_next(s, &offset); 522 if (first != NULL && fnmatch(first, term->name, 0) == 0) 523 tty_add_features(feat, s + offset, ":"); 524 a = options_array_next(a); 525 } 526 527 /* Delete curses data. */ 528#if !defined(NCURSES_VERSION_MAJOR) || NCURSES_VERSION_MAJOR > 5 || \ 529 (NCURSES_VERSION_MAJOR == 5 && NCURSES_VERSION_MINOR > 6) 530 del_curterm(cur_term); 531#endif 532 533 /* Apply overrides so any capabilities used for features are changed. */ 534 tty_term_apply_overrides(term); 535 536 /* These are always required. */ 537 if (!tty_term_has(term, TTYC_CLEAR)) { 538 xasprintf(cause, "terminal does not support clear"); 539 goto error; 540 } 541 if (!tty_term_has(term, TTYC_CUP)) { 542 xasprintf(cause, "terminal does not support cup"); 543 goto error; 544 } 545 546 /* 547 * If TERM has XT or clear starts with CSI then it is safe to assume 548 * the terminal is derived from the VT100. This controls whether device 549 * attributes requests are sent to get more information. 550 * 551 * This is a bit of a hack but there aren't that many alternatives. 552 * Worst case tmux will just fall back to using whatever terminfo(5) 553 * says without trying to correct anything that is missing. 554 * 555 * Also add few features that VT100-like terminals should either 556 * support or safely ignore. 557 */ 558 s = tty_term_string(term, TTYC_CLEAR); 559 if (tty_term_flag(term, TTYC_XT) || strncmp(s, "\033[", 2) == 0) { 560 term->flags |= TERM_VT100LIKE; 561 tty_add_features(feat, "bpaste,focus,title", ","); 562 } 563 564 /* Add RGB feature if terminal has RGB colours. */ 565 if ((tty_term_flag(term, TTYC_TC) || tty_term_has(term, TTYC_RGB)) && 566 (!tty_term_has(term, TTYC_SETRGBF) || 567 !tty_term_has(term, TTYC_SETRGBB))) 568 tty_add_features(feat, "RGB", ","); 569 if (tty_term_has(term, TTYC_SETRGBF) && 570 tty_term_has(term, TTYC_SETRGBB)) 571 term->flags |= TERM_RGBCOLOURS; 572 573 /* Apply the features and overrides again. */ 574 tty_apply_features(term, *feat); 575 tty_term_apply_overrides(term); 576 577 /* 578 * Terminals without am (auto right margin) wrap at at $COLUMNS - 1 579 * rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1). 580 * 581 * Terminals without xenl (eat newline glitch) ignore a newline beyond 582 * the right edge of the terminal, but tmux doesn't care about this - 583 * it always uses absolute only moves the cursor with a newline when 584 * also sending a linefeed. 585 * 586 * This is irritating, most notably because it is painful to write to 587 * the very bottom-right of the screen without scrolling. 588 * 589 * Flag the terminal here and apply some workarounds in other places to 590 * do the best possible. 591 */ 592 if (!tty_term_flag(term, TTYC_AM)) 593 term->flags |= TERM_NOAM; 594 595 /* Generate ACS table. If none is present, use nearest ASCII. */ 596 memset(term->acs, 0, sizeof term->acs); 597 if (tty_term_has(term, TTYC_ACSC)) 598 acs = tty_term_string(term, TTYC_ACSC); 599 else 600 acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~."; 601 for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2) 602 term->acs[(u_char) acs[0]][0] = acs[1]; 603 604 /* Log the capabilities. */ 605 for (i = 0; i < tty_term_ncodes(); i++) 606 log_debug("%s%s", name, tty_term_describe(term, i)); 607 608 return (term); 609 610error: 611 tty_term_free(term); 612 return (NULL); 613} 614 615void 616tty_term_free(struct tty_term *term) 617{ 618 u_int i; 619 620 log_debug("removing term %s", term->name); 621 622 for (i = 0; i < tty_term_ncodes(); i++) { 623 if (term->codes[i].type == TTYCODE_STRING) 624 free(term->codes[i].value.string); 625 } 626 free(term->codes); 627 628 LIST_REMOVE(term, entry); 629 free(term->name); 630 free(term); 631} 632 633int 634tty_term_read_list(const char *name, int fd, char ***caps, u_int *ncaps, 635 char **cause) 636{ 637 const struct tty_term_code_entry *ent; 638 int error, n; 639 u_int i; 640 const char *s; 641 char tmp[11]; 642 643 if (setupterm(name, fd, &error) != OK) { 644 switch (error) { 645 case 1: 646 xasprintf(cause, "can't use hardcopy terminal: %s", 647 name); 648 break; 649 case 0: 650 xasprintf(cause, "missing or unsuitable terminal: %s", 651 name); 652 break; 653 case -1: 654 xasprintf(cause, "can't find terminfo database"); 655 break; 656 default: 657 xasprintf(cause, "unknown error"); 658 break; 659 } 660 return (-1); 661 } 662 663 *ncaps = 0; 664 *caps = NULL; 665 666 for (i = 0; i < tty_term_ncodes(); i++) { 667 ent = &tty_term_codes[i]; 668 switch (ent->type) { 669 case TTYCODE_NONE: 670 continue; 671 case TTYCODE_STRING: 672 s = tigetstr((const char *)ent->name); 673 if (s == NULL || s == (char *)-1) 674 continue; 675 break; 676 case TTYCODE_NUMBER: 677 n = tigetnum((const char *)ent->name); 678 if (n == -1 || n == -2) 679 continue; 680 xsnprintf(tmp, sizeof tmp, "%d", n); 681 s = tmp; 682 break; 683 case TTYCODE_FLAG: 684 n = tigetflag((const char *) ent->name); 685 if (n == -1) 686 continue; 687 if (n) 688 s = "1"; 689 else 690 s = "0"; 691 break; 692 default: 693 continue; 694 } 695 *caps = xreallocarray(*caps, (*ncaps) + 1, sizeof **caps); 696 xasprintf(&(*caps)[*ncaps], "%s=%s", ent->name, s); 697 (*ncaps)++; 698 } 699 700#if !defined(NCURSES_VERSION_MAJOR) || NCURSES_VERSION_MAJOR > 5 || \ 701 (NCURSES_VERSION_MAJOR == 5 && NCURSES_VERSION_MINOR > 6) 702 del_curterm(cur_term); 703#endif 704 return (0); 705} 706 707void 708tty_term_free_list(char **caps, u_int ncaps) 709{ 710 u_int i; 711 712 for (i = 0; i < ncaps; i++) 713 free(caps[i]); 714 free(caps); 715} 716 717int 718tty_term_has(struct tty_term *term, enum tty_code_code code) 719{ 720 return (term->codes[code].type != TTYCODE_NONE); 721} 722 723const char * 724tty_term_string(struct tty_term *term, enum tty_code_code code) 725{ 726 if (!tty_term_has(term, code)) 727 return (""); 728 if (term->codes[code].type != TTYCODE_STRING) 729 fatalx("not a string: %d", code); 730 return (term->codes[code].value.string); 731} 732 733const char * 734tty_term_string1(struct tty_term *term, enum tty_code_code code, int a) 735{ 736 return (tparm(tty_term_string(term, code), a, 0, 0, 0, 0, 0, 0, 0, 0)); 737} 738 739const char * 740tty_term_string2(struct tty_term *term, enum tty_code_code code, int a, int b) 741{ 742 return (tparm(tty_term_string(term, code), a, b, 0, 0, 0, 0, 0, 0, 0)); 743} 744 745const char * 746tty_term_string3(struct tty_term *term, enum tty_code_code code, int a, int b, 747 int c) 748{ 749 return (tparm(tty_term_string(term, code), a, b, c, 0, 0, 0, 0, 0, 0)); 750} 751 752const char * 753tty_term_ptr1(struct tty_term *term, enum tty_code_code code, const void *a) 754{ 755 return (tparm((const char *) tty_term_string(term, code), (long)a, 0, 0, 0, 0, 0, 0, 0, 0)); 756} 757 758const char * 759tty_term_ptr2(struct tty_term *term, enum tty_code_code code, const void *a, 760 const void *b) 761{ 762 return (tparm((const char *) tty_term_string(term, code), (long)a, (long)b, 0, 0, 0, 0, 0, 0, 0)); 763} 764 765int 766tty_term_number(struct tty_term *term, enum tty_code_code code) 767{ 768 if (!tty_term_has(term, code)) 769 return (0); 770 if (term->codes[code].type != TTYCODE_NUMBER) 771 fatalx("not a number: %d", code); 772 return (term->codes[code].value.number); 773} 774 775int 776tty_term_flag(struct tty_term *term, enum tty_code_code code) 777{ 778 if (!tty_term_has(term, code)) 779 return (0); 780 if (term->codes[code].type != TTYCODE_FLAG) 781 fatalx("not a flag: %d", code); 782 return (term->codes[code].value.flag); 783} 784 785const char * 786tty_term_describe(struct tty_term *term, enum tty_code_code code) 787{ 788 static char s[256]; 789 char out[128]; 790 791 switch (term->codes[code].type) { 792 case TTYCODE_NONE: 793 xsnprintf(s, sizeof s, "%4u: %s: [missing]", 794 code, tty_term_codes[code].name); 795 break; 796 case TTYCODE_STRING: 797 strnvis(out, sizeof out, term->codes[code].value.string, 798 VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL); 799 xsnprintf(s, sizeof s, "%4u: %s: (string) %s", 800 code, tty_term_codes[code].name, 801 out); 802 break; 803 case TTYCODE_NUMBER: 804 xsnprintf(s, sizeof s, "%4u: %s: (number) %d", 805 code, tty_term_codes[code].name, 806 term->codes[code].value.number); 807 break; 808 case TTYCODE_FLAG: 809 xsnprintf(s, sizeof s, "%4u: %s: (flag) %s", 810 code, tty_term_codes[code].name, 811 term->codes[code].value.flag ? "true" : "false"); 812 break; 813 } 814 return (s); 815} 816