Annotation of src/usr.bin/tmux/tty-term.c, Revision 1.89
1.89 ! nicm 1: /* $OpenBSD: tty-term.c,v 1.88 2021/03/01 10:50:14 nicm Exp $ */
1.1 nicm 2:
3: /*
1.44 nicm 4: * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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:
1.3 nicm 21: #include <curses.h>
1.5 nicm 22: #include <fnmatch.h>
23: #include <stdlib.h>
1.1 nicm 24: #include <string.h>
25: #include <term.h>
1.5 nicm 26: #include <vis.h>
1.1 nicm 27:
28: #include "tmux.h"
29:
1.46 nicm 30: static char *tty_term_strip(const char *);
1.1 nicm 31:
1.20 nicm 32: struct tty_terms tty_terms = LIST_HEAD_INITIALIZER(tty_terms);
1.1 nicm 33:
1.38 nicm 34: enum tty_code_type {
35: TTYCODE_NONE = 0,
36: TTYCODE_STRING,
37: TTYCODE_NUMBER,
38: TTYCODE_FLAG,
1.1 nicm 39: };
40:
1.38 nicm 41: struct tty_code {
42: enum tty_code_type type;
43: union {
44: char *string;
45: int number;
46: int flag;
47: } value;
48: };
49:
50: struct tty_term_code_entry {
51: enum tty_code_type type;
52: const char *name;
53: };
54:
1.46 nicm 55: static const struct tty_term_code_entry tty_term_codes[] = {
1.38 nicm 56: [TTYC_ACSC] = { TTYCODE_STRING, "acsc" },
1.82 nicm 57: [TTYC_AM] = { TTYCODE_FLAG, "am" },
1.38 nicm 58: [TTYC_AX] = { TTYCODE_FLAG, "AX" },
59: [TTYC_BCE] = { TTYCODE_FLAG, "bce" },
60: [TTYC_BEL] = { TTYCODE_STRING, "bel" },
1.86 nicm 61: [TTYC_BIDI] = { TTYCODE_STRING, "Bidi" },
1.38 nicm 62: [TTYC_BLINK] = { TTYCODE_STRING, "blink" },
63: [TTYC_BOLD] = { TTYCODE_STRING, "bold" },
64: [TTYC_CIVIS] = { TTYCODE_STRING, "civis" },
65: [TTYC_CLEAR] = { TTYCODE_STRING, "clear" },
1.77 nicm 66: [TTYC_CLMG] = { TTYCODE_STRING, "Clmg" },
67: [TTYC_CMG] = { TTYCODE_STRING, "Cmg" },
1.38 nicm 68: [TTYC_CNORM] = { TTYCODE_STRING, "cnorm" },
69: [TTYC_COLORS] = { TTYCODE_NUMBER, "colors" },
70: [TTYC_CR] = { TTYCODE_STRING, "Cr" },
1.57 nicm 71: [TTYC_CSR] = { TTYCODE_STRING, "csr" },
1.38 nicm 72: [TTYC_CS] = { TTYCODE_STRING, "Cs" },
1.57 nicm 73: [TTYC_CUB1] = { TTYCODE_STRING, "cub1" },
1.38 nicm 74: [TTYC_CUB] = { TTYCODE_STRING, "cub" },
1.57 nicm 75: [TTYC_CUD1] = { TTYCODE_STRING, "cud1" },
1.38 nicm 76: [TTYC_CUD] = { TTYCODE_STRING, "cud" },
1.57 nicm 77: [TTYC_CUF1] = { TTYCODE_STRING, "cuf1" },
1.38 nicm 78: [TTYC_CUF] = { TTYCODE_STRING, "cuf" },
79: [TTYC_CUP] = { TTYCODE_STRING, "cup" },
1.57 nicm 80: [TTYC_CUU1] = { TTYCODE_STRING, "cuu1" },
1.38 nicm 81: [TTYC_CUU] = { TTYCODE_STRING, "cuu" },
82: [TTYC_CVVIS] = { TTYCODE_STRING, "cvvis" },
1.57 nicm 83: [TTYC_DCH1] = { TTYCODE_STRING, "dch1" },
1.38 nicm 84: [TTYC_DCH] = { TTYCODE_STRING, "dch" },
85: [TTYC_DIM] = { TTYCODE_STRING, "dim" },
1.57 nicm 86: [TTYC_DL1] = { TTYCODE_STRING, "dl1" },
1.38 nicm 87: [TTYC_DL] = { TTYCODE_STRING, "dl" },
1.81 nicm 88: [TTYC_DSEKS] = { TTYCODE_STRING, "Dseks" },
1.79 nicm 89: [TTYC_DSFCS] = { TTYCODE_STRING, "Dsfcs" },
1.78 nicm 90: [TTYC_DSBP] = { TTYCODE_STRING, "Dsbp" },
1.77 nicm 91: [TTYC_DSMG] = { TTYCODE_STRING, "Dsmg" },
1.38 nicm 92: [TTYC_E3] = { TTYCODE_STRING, "E3" },
93: [TTYC_ECH] = { TTYCODE_STRING, "ech" },
1.50 nicm 94: [TTYC_ED] = { TTYCODE_STRING, "ed" },
1.57 nicm 95: [TTYC_EL1] = { TTYCODE_STRING, "el1" },
1.38 nicm 96: [TTYC_EL] = { TTYCODE_STRING, "el" },
97: [TTYC_ENACS] = { TTYCODE_STRING, "enacs" },
1.78 nicm 98: [TTYC_ENBP] = { TTYCODE_STRING, "Enbp" },
1.81 nicm 99: [TTYC_ENEKS] = { TTYCODE_STRING, "Eneks" },
1.79 nicm 100: [TTYC_ENFCS] = { TTYCODE_STRING, "Enfcs" },
1.77 nicm 101: [TTYC_ENMG] = { TTYCODE_STRING, "Enmg" },
1.38 nicm 102: [TTYC_FSL] = { TTYCODE_STRING, "fsl" },
103: [TTYC_HOME] = { TTYCODE_STRING, "home" },
104: [TTYC_HPA] = { TTYCODE_STRING, "hpa" },
1.57 nicm 105: [TTYC_ICH1] = { TTYCODE_STRING, "ich1" },
1.38 nicm 106: [TTYC_ICH] = { TTYCODE_STRING, "ich" },
1.57 nicm 107: [TTYC_IL1] = { TTYCODE_STRING, "il1" },
1.38 nicm 108: [TTYC_IL] = { TTYCODE_STRING, "il" },
1.51 nicm 109: [TTYC_INDN] = { TTYCODE_STRING, "indn" },
1.38 nicm 110: [TTYC_INVIS] = { TTYCODE_STRING, "invis" },
111: [TTYC_KCBT] = { TTYCODE_STRING, "kcbt" },
112: [TTYC_KCUB1] = { TTYCODE_STRING, "kcub1" },
113: [TTYC_KCUD1] = { TTYCODE_STRING, "kcud1" },
114: [TTYC_KCUF1] = { TTYCODE_STRING, "kcuf1" },
115: [TTYC_KCUU1] = { TTYCODE_STRING, "kcuu1" },
116: [TTYC_KDC2] = { TTYCODE_STRING, "kDC" },
117: [TTYC_KDC3] = { TTYCODE_STRING, "kDC3" },
118: [TTYC_KDC4] = { TTYCODE_STRING, "kDC4" },
119: [TTYC_KDC5] = { TTYCODE_STRING, "kDC5" },
120: [TTYC_KDC6] = { TTYCODE_STRING, "kDC6" },
121: [TTYC_KDC7] = { TTYCODE_STRING, "kDC7" },
122: [TTYC_KDCH1] = { TTYCODE_STRING, "kdch1" },
1.57 nicm 123: [TTYC_KDN2] = { TTYCODE_STRING, "kDN" }, /* not kDN2 */
1.38 nicm 124: [TTYC_KDN3] = { TTYCODE_STRING, "kDN3" },
125: [TTYC_KDN4] = { TTYCODE_STRING, "kDN4" },
126: [TTYC_KDN5] = { TTYCODE_STRING, "kDN5" },
127: [TTYC_KDN6] = { TTYCODE_STRING, "kDN6" },
128: [TTYC_KDN7] = { TTYCODE_STRING, "kDN7" },
129: [TTYC_KEND2] = { TTYCODE_STRING, "kEND" },
130: [TTYC_KEND3] = { TTYCODE_STRING, "kEND3" },
131: [TTYC_KEND4] = { TTYCODE_STRING, "kEND4" },
132: [TTYC_KEND5] = { TTYCODE_STRING, "kEND5" },
133: [TTYC_KEND6] = { TTYCODE_STRING, "kEND6" },
134: [TTYC_KEND7] = { TTYCODE_STRING, "kEND7" },
1.57 nicm 135: [TTYC_KEND] = { TTYCODE_STRING, "kend" },
1.38 nicm 136: [TTYC_KF10] = { TTYCODE_STRING, "kf10" },
137: [TTYC_KF11] = { TTYCODE_STRING, "kf11" },
138: [TTYC_KF12] = { TTYCODE_STRING, "kf12" },
139: [TTYC_KF13] = { TTYCODE_STRING, "kf13" },
140: [TTYC_KF14] = { TTYCODE_STRING, "kf14" },
141: [TTYC_KF15] = { TTYCODE_STRING, "kf15" },
142: [TTYC_KF16] = { TTYCODE_STRING, "kf16" },
143: [TTYC_KF17] = { TTYCODE_STRING, "kf17" },
144: [TTYC_KF18] = { TTYCODE_STRING, "kf18" },
145: [TTYC_KF19] = { TTYCODE_STRING, "kf19" },
1.57 nicm 146: [TTYC_KF1] = { TTYCODE_STRING, "kf1" },
1.38 nicm 147: [TTYC_KF20] = { TTYCODE_STRING, "kf20" },
148: [TTYC_KF21] = { TTYCODE_STRING, "kf21" },
149: [TTYC_KF22] = { TTYCODE_STRING, "kf22" },
150: [TTYC_KF23] = { TTYCODE_STRING, "kf23" },
151: [TTYC_KF24] = { TTYCODE_STRING, "kf24" },
152: [TTYC_KF25] = { TTYCODE_STRING, "kf25" },
153: [TTYC_KF26] = { TTYCODE_STRING, "kf26" },
154: [TTYC_KF27] = { TTYCODE_STRING, "kf27" },
155: [TTYC_KF28] = { TTYCODE_STRING, "kf28" },
156: [TTYC_KF29] = { TTYCODE_STRING, "kf29" },
1.57 nicm 157: [TTYC_KF2] = { TTYCODE_STRING, "kf2" },
1.38 nicm 158: [TTYC_KF30] = { TTYCODE_STRING, "kf30" },
159: [TTYC_KF31] = { TTYCODE_STRING, "kf31" },
160: [TTYC_KF32] = { TTYCODE_STRING, "kf32" },
161: [TTYC_KF33] = { TTYCODE_STRING, "kf33" },
162: [TTYC_KF34] = { TTYCODE_STRING, "kf34" },
163: [TTYC_KF35] = { TTYCODE_STRING, "kf35" },
164: [TTYC_KF36] = { TTYCODE_STRING, "kf36" },
165: [TTYC_KF37] = { TTYCODE_STRING, "kf37" },
166: [TTYC_KF38] = { TTYCODE_STRING, "kf38" },
167: [TTYC_KF39] = { TTYCODE_STRING, "kf39" },
1.57 nicm 168: [TTYC_KF3] = { TTYCODE_STRING, "kf3" },
1.38 nicm 169: [TTYC_KF40] = { TTYCODE_STRING, "kf40" },
170: [TTYC_KF41] = { TTYCODE_STRING, "kf41" },
171: [TTYC_KF42] = { TTYCODE_STRING, "kf42" },
172: [TTYC_KF43] = { TTYCODE_STRING, "kf43" },
173: [TTYC_KF44] = { TTYCODE_STRING, "kf44" },
174: [TTYC_KF45] = { TTYCODE_STRING, "kf45" },
175: [TTYC_KF46] = { TTYCODE_STRING, "kf46" },
176: [TTYC_KF47] = { TTYCODE_STRING, "kf47" },
177: [TTYC_KF48] = { TTYCODE_STRING, "kf48" },
178: [TTYC_KF49] = { TTYCODE_STRING, "kf49" },
1.57 nicm 179: [TTYC_KF4] = { TTYCODE_STRING, "kf4" },
1.38 nicm 180: [TTYC_KF50] = { TTYCODE_STRING, "kf50" },
181: [TTYC_KF51] = { TTYCODE_STRING, "kf51" },
182: [TTYC_KF52] = { TTYCODE_STRING, "kf52" },
183: [TTYC_KF53] = { TTYCODE_STRING, "kf53" },
184: [TTYC_KF54] = { TTYCODE_STRING, "kf54" },
185: [TTYC_KF55] = { TTYCODE_STRING, "kf55" },
186: [TTYC_KF56] = { TTYCODE_STRING, "kf56" },
187: [TTYC_KF57] = { TTYCODE_STRING, "kf57" },
188: [TTYC_KF58] = { TTYCODE_STRING, "kf58" },
189: [TTYC_KF59] = { TTYCODE_STRING, "kf59" },
1.57 nicm 190: [TTYC_KF5] = { TTYCODE_STRING, "kf5" },
1.38 nicm 191: [TTYC_KF60] = { TTYCODE_STRING, "kf60" },
192: [TTYC_KF61] = { TTYCODE_STRING, "kf61" },
193: [TTYC_KF62] = { TTYCODE_STRING, "kf62" },
194: [TTYC_KF63] = { TTYCODE_STRING, "kf63" },
1.57 nicm 195: [TTYC_KF6] = { TTYCODE_STRING, "kf6" },
1.38 nicm 196: [TTYC_KF7] = { TTYCODE_STRING, "kf7" },
197: [TTYC_KF8] = { TTYCODE_STRING, "kf8" },
198: [TTYC_KF9] = { TTYCODE_STRING, "kf9" },
199: [TTYC_KHOM2] = { TTYCODE_STRING, "kHOM" },
200: [TTYC_KHOM3] = { TTYCODE_STRING, "kHOM3" },
201: [TTYC_KHOM4] = { TTYCODE_STRING, "kHOM4" },
202: [TTYC_KHOM5] = { TTYCODE_STRING, "kHOM5" },
203: [TTYC_KHOM6] = { TTYCODE_STRING, "kHOM6" },
204: [TTYC_KHOM7] = { TTYCODE_STRING, "kHOM7" },
205: [TTYC_KHOME] = { TTYCODE_STRING, "khome" },
206: [TTYC_KIC2] = { TTYCODE_STRING, "kIC" },
207: [TTYC_KIC3] = { TTYCODE_STRING, "kIC3" },
208: [TTYC_KIC4] = { TTYCODE_STRING, "kIC4" },
209: [TTYC_KIC5] = { TTYCODE_STRING, "kIC5" },
210: [TTYC_KIC6] = { TTYCODE_STRING, "kIC6" },
211: [TTYC_KIC7] = { TTYCODE_STRING, "kIC7" },
212: [TTYC_KICH1] = { TTYCODE_STRING, "kich1" },
1.57 nicm 213: [TTYC_KIND] = { TTYCODE_STRING, "kind" },
1.38 nicm 214: [TTYC_KLFT2] = { TTYCODE_STRING, "kLFT" },
215: [TTYC_KLFT3] = { TTYCODE_STRING, "kLFT3" },
216: [TTYC_KLFT4] = { TTYCODE_STRING, "kLFT4" },
217: [TTYC_KLFT5] = { TTYCODE_STRING, "kLFT5" },
218: [TTYC_KLFT6] = { TTYCODE_STRING, "kLFT6" },
219: [TTYC_KLFT7] = { TTYCODE_STRING, "kLFT7" },
220: [TTYC_KMOUS] = { TTYCODE_STRING, "kmous" },
221: [TTYC_KNP] = { TTYCODE_STRING, "knp" },
222: [TTYC_KNXT2] = { TTYCODE_STRING, "kNXT" },
223: [TTYC_KNXT3] = { TTYCODE_STRING, "kNXT3" },
224: [TTYC_KNXT4] = { TTYCODE_STRING, "kNXT4" },
225: [TTYC_KNXT5] = { TTYCODE_STRING, "kNXT5" },
226: [TTYC_KNXT6] = { TTYCODE_STRING, "kNXT6" },
227: [TTYC_KNXT7] = { TTYCODE_STRING, "kNXT7" },
228: [TTYC_KPP] = { TTYCODE_STRING, "kpp" },
229: [TTYC_KPRV2] = { TTYCODE_STRING, "kPRV" },
230: [TTYC_KPRV3] = { TTYCODE_STRING, "kPRV3" },
231: [TTYC_KPRV4] = { TTYCODE_STRING, "kPRV4" },
232: [TTYC_KPRV5] = { TTYCODE_STRING, "kPRV5" },
233: [TTYC_KPRV6] = { TTYCODE_STRING, "kPRV6" },
234: [TTYC_KPRV7] = { TTYCODE_STRING, "kPRV7" },
235: [TTYC_KRIT2] = { TTYCODE_STRING, "kRIT" },
236: [TTYC_KRIT3] = { TTYCODE_STRING, "kRIT3" },
237: [TTYC_KRIT4] = { TTYCODE_STRING, "kRIT4" },
238: [TTYC_KRIT5] = { TTYCODE_STRING, "kRIT5" },
239: [TTYC_KRIT6] = { TTYCODE_STRING, "kRIT6" },
240: [TTYC_KRIT7] = { TTYCODE_STRING, "kRIT7" },
1.57 nicm 241: [TTYC_KRI] = { TTYCODE_STRING, "kri" },
242: [TTYC_KUP2] = { TTYCODE_STRING, "kUP" }, /* not kUP2 */
1.38 nicm 243: [TTYC_KUP3] = { TTYCODE_STRING, "kUP3" },
244: [TTYC_KUP4] = { TTYCODE_STRING, "kUP4" },
245: [TTYC_KUP5] = { TTYCODE_STRING, "kUP5" },
246: [TTYC_KUP6] = { TTYCODE_STRING, "kUP6" },
247: [TTYC_KUP7] = { TTYCODE_STRING, "kUP7" },
248: [TTYC_MS] = { TTYCODE_STRING, "Ms" },
1.84 nicm 249: [TTYC_OL] = { TTYCODE_STRING, "ol" },
1.38 nicm 250: [TTYC_OP] = { TTYCODE_STRING, "op" },
1.89 ! nicm 251: [TTYC_RECT] = { TTYCODE_STRING, "Rect" },
1.38 nicm 252: [TTYC_REV] = { TTYCODE_STRING, "rev" },
1.58 nicm 253: [TTYC_RGB] = { TTYCODE_FLAG, "RGB" },
1.77 nicm 254: [TTYC_RIN] = { TTYCODE_STRING, "rin" },
1.38 nicm 255: [TTYC_RI] = { TTYCODE_STRING, "ri" },
256: [TTYC_RMACS] = { TTYCODE_STRING, "rmacs" },
257: [TTYC_RMCUP] = { TTYCODE_STRING, "rmcup" },
258: [TTYC_RMKX] = { TTYCODE_STRING, "rmkx" },
259: [TTYC_SETAB] = { TTYCODE_STRING, "setab" },
260: [TTYC_SETAF] = { TTYCODE_STRING, "setaf" },
1.84 nicm 261: [TTYC_SETAL] = { TTYCODE_STRING, "setal" },
1.55 nicm 262: [TTYC_SETRGBB] = { TTYCODE_STRING, "setrgbb" },
263: [TTYC_SETRGBF] = { TTYCODE_STRING, "setrgbf" },
1.66 nicm 264: [TTYC_SETULC] = { TTYCODE_STRING, "Setulc" },
1.57 nicm 265: [TTYC_SE] = { TTYCODE_STRING, "Se" },
1.38 nicm 266: [TTYC_SGR0] = { TTYCODE_STRING, "sgr0" },
267: [TTYC_SITM] = { TTYCODE_STRING, "sitm" },
268: [TTYC_SMACS] = { TTYCODE_STRING, "smacs" },
269: [TTYC_SMCUP] = { TTYCODE_STRING, "smcup" },
270: [TTYC_SMKX] = { TTYCODE_STRING, "smkx" },
1.64 nicm 271: [TTYC_SMOL] = { TTYCODE_STRING, "Smol" },
1.38 nicm 272: [TTYC_SMSO] = { TTYCODE_STRING, "smso" },
1.60 nicm 273: [TTYC_SMULX] = { TTYCODE_STRING, "Smulx" },
1.38 nicm 274: [TTYC_SMUL] = { TTYCODE_STRING, "smul" },
1.53 nicm 275: [TTYC_SMXX] = { TTYCODE_STRING, "smxx" },
1.38 nicm 276: [TTYC_SS] = { TTYCODE_STRING, "Ss" },
1.74 nicm 277: [TTYC_SYNC] = { TTYCODE_STRING, "Sync" },
1.45 nicm 278: [TTYC_TC] = { TTYCODE_FLAG, "Tc" },
1.38 nicm 279: [TTYC_TSL] = { TTYCODE_STRING, "tsl" },
1.57 nicm 280: [TTYC_U8] = { TTYCODE_NUMBER, "U8" },
1.38 nicm 281: [TTYC_VPA] = { TTYCODE_STRING, "vpa" },
1.77 nicm 282: [TTYC_XT] = { TTYCODE_FLAG, "XT" }
1.38 nicm 283: };
284:
285: u_int
286: tty_term_ncodes(void)
287: {
288: return (nitems(tty_term_codes));
289: }
290:
1.46 nicm 291: static char *
1.1 nicm 292: tty_term_strip(const char *s)
293: {
294: const char *ptr;
1.68 nicm 295: static char buf[8192];
1.1 nicm 296: size_t len;
297:
298: /* Ignore strings with no padding. */
299: if (strchr(s, '$') == NULL)
300: return (xstrdup(s));
301:
302: len = 0;
303: for (ptr = s; *ptr != '\0'; ptr++) {
304: if (*ptr == '$' && *(ptr + 1) == '<') {
305: while (*ptr != '\0' && *ptr != '>')
306: ptr++;
307: if (*ptr == '>')
308: ptr++;
1.83 nicm 309: if (*ptr == '\0')
310: break;
1.1 nicm 311: }
312:
313: buf[len++] = *ptr;
314: if (len == (sizeof buf) - 1)
315: break;
316: }
317: buf[len] = '\0';
318:
319: return (xstrdup(buf));
320: }
321:
1.60 nicm 322: static char *
323: tty_term_override_next(const char *s, size_t *offset)
324: {
1.68 nicm 325: static char value[8192];
1.60 nicm 326: size_t n = 0, at = *offset;
327:
328: if (s[at] == '\0')
329: return (NULL);
330:
331: while (s[at] != '\0') {
332: if (s[at] == ':') {
333: if (s[at + 1] == ':') {
334: value[n++] = ':';
335: at += 2;
336: } else
337: break;
338: } else {
339: value[n++] = s[at];
340: at++;
341: }
342: if (n == (sizeof value) - 1)
343: return (NULL);
344: }
345: if (s[at] != '\0')
346: *offset = at + 1;
347: else
348: *offset = at;
349: value[n] = '\0';
350: return (value);
351: }
352:
1.73 nicm 353: void
354: tty_term_apply(struct tty_term *term, const char *capabilities, int quiet)
1.1 nicm 355: {
1.19 nicm 356: const struct tty_term_code_entry *ent;
357: struct tty_code *code;
1.60 nicm 358: size_t offset = 0;
359: char *cp, *value, *s;
1.73 nicm 360: const char *errstr, *name = term->name;
1.19 nicm 361: u_int i;
1.49 nicm 362: int n, remove;
1.5 nicm 363:
1.73 nicm 364: while ((s = tty_term_override_next(capabilities, &offset)) != NULL) {
1.49 nicm 365: if (*s == '\0')
1.5 nicm 366: continue;
1.49 nicm 367: value = NULL;
368:
369: remove = 0;
370: if ((cp = strchr(s, '=')) != NULL) {
371: *cp++ = '\0';
372: value = xstrdup(cp);
373: if (strunvis(value, cp) == -1) {
374: free(value);
375: value = xstrdup(cp);
376: }
377: } else if (s[strlen(s) - 1] == '@') {
378: s[strlen(s) - 1] = '\0';
379: remove = 1;
380: } else
381: value = xstrdup("");
382:
1.73 nicm 383: if (!quiet) {
384: if (remove)
385: log_debug("%s override: %s@", name, s);
386: else if (*value == '\0')
387: log_debug("%s override: %s", name, s);
388: else
389: log_debug("%s override: %s=%s", name, s, value);
390: }
1.49 nicm 391:
392: for (i = 0; i < tty_term_ncodes(); i++) {
393: ent = &tty_term_codes[i];
394: if (strcmp(s, ent->name) != 0)
1.5 nicm 395: continue;
1.49 nicm 396: code = &term->codes[i];
1.5 nicm 397:
1.49 nicm 398: if (remove) {
399: code->type = TTYCODE_NONE;
400: continue;
401: }
402: switch (ent->type) {
403: case TTYCODE_NONE:
404: break;
405: case TTYCODE_STRING:
406: if (code->type == TTYCODE_STRING)
407: free(code->value.string);
408: code->value.string = xstrdup(value);
409: code->type = ent->type;
410: break;
411: case TTYCODE_NUMBER:
412: n = strtonum(value, 0, INT_MAX, &errstr);
413: if (errstr != NULL)
1.5 nicm 414: break;
1.49 nicm 415: code->value.number = n;
416: code->type = ent->type;
417: break;
418: case TTYCODE_FLAG:
419: code->value.flag = 1;
420: code->type = ent->type;
421: break;
1.5 nicm 422: }
1.49 nicm 423: }
1.5 nicm 424:
1.49 nicm 425: free(value);
1.1 nicm 426: }
427: }
428:
1.75 nicm 429: void
430: tty_term_apply_overrides(struct tty_term *term)
431: {
432: struct options_entry *o;
433: struct options_array_item *a;
434: union options_value *ov;
1.89 ! nicm 435: const char *s, *acs;
1.75 nicm 436: size_t offset;
437: char *first;
438:
1.89 ! nicm 439: /* Update capabilities from the option. */
1.75 nicm 440: o = options_get_only(global_options, "terminal-overrides");
441: a = options_array_first(o);
442: while (a != NULL) {
443: ov = options_array_item_value(a);
444: s = ov->string;
445:
446: offset = 0;
447: first = tty_term_override_next(s, &offset);
448: if (first != NULL && fnmatch(first, term->name, 0) == 0)
449: tty_term_apply(term, s + offset, 0);
450: a = options_array_next(a);
451: }
1.89 ! nicm 452:
! 453: /* Update the RGB flag if the terminal has RGB colours. */
! 454: if (tty_term_has(term, TTYC_SETRGBF) &&
! 455: tty_term_has(term, TTYC_SETRGBB))
! 456: term->flags |= TERM_RGBCOLOURS;
! 457: else
! 458: term->flags &= ~TERM_RGBCOLOURS;
! 459: log_debug("RGBCOLOURS flag is %d", !!(term->flags & TERM_RGBCOLOURS));
! 460:
! 461: /*
! 462: * Set or clear the DECSLRM flag if the terminal has the margin
! 463: * capabilities.
! 464: */
! 465: if (tty_term_has(term, TTYC_CMG) && tty_term_has(term, TTYC_CLMG))
! 466: term->flags |= TERM_DECSLRM;
! 467: else
! 468: term->flags &= ~TERM_DECSLRM;
! 469: log_debug("DECSLRM flag is %d", !!(term->flags & TERM_DECSLRM));
! 470:
! 471: /*
! 472: * Set or clear the DECFRA flag if the terminal has the rectangle
! 473: * capability.
! 474: */
! 475: if (tty_term_has(term, TTYC_RECT))
! 476: term->flags |= TERM_DECFRA;
! 477: else
! 478: term->flags &= ~TERM_DECFRA;
! 479: log_debug("DECFRA flag is %d", !!(term->flags & TERM_DECFRA));
! 480:
! 481: /*
! 482: * Terminals without am (auto right margin) wrap at at $COLUMNS - 1
! 483: * rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
! 484: *
! 485: * Terminals without xenl (eat newline glitch) ignore a newline beyond
! 486: * the right edge of the terminal, but tmux doesn't care about this -
! 487: * it always uses absolute only moves the cursor with a newline when
! 488: * also sending a linefeed.
! 489: *
! 490: * This is irritating, most notably because it is painful to write to
! 491: * the very bottom-right of the screen without scrolling.
! 492: *
! 493: * Flag the terminal here and apply some workarounds in other places to
! 494: * do the best possible.
! 495: */
! 496: if (!tty_term_flag(term, TTYC_AM))
! 497: term->flags |= TERM_NOAM;
! 498: else
! 499: term->flags &= ~TERM_NOAM;
! 500: log_debug("NOAM flag is %d", !!(term->flags & TERM_NOAM));
! 501:
! 502: /* Generate ACS table. If none is present, use nearest ASCII. */
! 503: memset(term->acs, 0, sizeof term->acs);
! 504: if (tty_term_has(term, TTYC_ACSC))
! 505: acs = tty_term_string(term, TTYC_ACSC);
! 506: else
! 507: acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~.";
! 508: for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2)
! 509: term->acs[(u_char) acs[0]][0] = acs[1];
1.75 nicm 510: }
511:
1.1 nicm 512: struct tty_term *
1.87 nicm 513: tty_term_create(struct tty *tty, char *name, char **caps, u_int ncaps,
514: int *feat, char **cause)
1.1 nicm 515: {
1.19 nicm 516: struct tty_term *term;
517: const struct tty_term_code_entry *ent;
518: struct tty_code *code;
1.49 nicm 519: struct options_entry *o;
1.61 nicm 520: struct options_array_item *a;
1.62 nicm 521: union options_value *ov;
1.87 nicm 522: u_int i, j;
1.89 ! nicm 523: const char *s, *value;
1.87 nicm 524: size_t offset, namelen;
1.73 nicm 525: char *first;
1.1 nicm 526:
1.73 nicm 527: log_debug("adding term %s", name);
1.1 nicm 528:
1.73 nicm 529: term = xcalloc(1, sizeof *term);
530: term->tty = tty;
1.1 nicm 531: term->name = xstrdup(name);
1.47 nicm 532: term->codes = xcalloc(tty_term_ncodes(), sizeof *term->codes);
1.20 nicm 533: LIST_INSERT_HEAD(&tty_terms, term, entry);
1.1 nicm 534:
1.87 nicm 535: /* Fill in codes. */
536: for (i = 0; i < ncaps; i++) {
537: namelen = strcspn(caps[i], "=");
538: if (namelen == 0)
539: continue;
540: value = caps[i] + namelen + 1;
1.1 nicm 541:
1.87 nicm 542: for (j = 0; j < tty_term_ncodes(); j++) {
543: ent = &tty_term_codes[j];
544: if (strncmp(ent->name, caps[i], namelen) != 0)
545: continue;
546: if (ent->name[namelen] != '\0')
547: continue;
1.1 nicm 548:
1.87 nicm 549: code = &term->codes[j];
550: code->type = TTYCODE_NONE;
551: switch (ent->type) {
552: case TTYCODE_NONE:
553: break;
554: case TTYCODE_STRING:
555: code->type = TTYCODE_STRING;
556: code->value.string = tty_term_strip(value);
1.1 nicm 557: break;
1.87 nicm 558: case TTYCODE_NUMBER:
559: code->type = TTYCODE_NUMBER;
560: code->value.number = atoi(value);
1.1 nicm 561: break;
1.87 nicm 562: case TTYCODE_FLAG:
563: code->type = TTYCODE_FLAG;
564: code->value.flag = (*value == '1');
1.1 nicm 565: break;
1.87 nicm 566: }
1.1 nicm 567: }
568: }
1.33 nicm 569:
1.73 nicm 570: /* Apply terminal features. */
571: o = options_get_only(global_options, "terminal-features");
572: a = options_array_first(o);
573: while (a != NULL) {
574: ov = options_array_item_value(a);
575: s = ov->string;
576:
577: offset = 0;
578: first = tty_term_override_next(s, &offset);
579: if (first != NULL && fnmatch(first, term->name, 0) == 0)
580: tty_add_features(feat, s + offset, ":");
581: a = options_array_next(a);
582: }
1.1 nicm 583:
1.76 nicm 584: /* Apply overrides so any capabilities used for features are changed. */
585: tty_term_apply_overrides(term);
586:
1.1 nicm 587: /* These are always required. */
588: if (!tty_term_has(term, TTYC_CLEAR)) {
589: xasprintf(cause, "terminal does not support clear");
590: goto error;
591: }
592: if (!tty_term_has(term, TTYC_CUP)) {
593: xasprintf(cause, "terminal does not support cup");
594: goto error;
595: }
596:
1.80 nicm 597: /*
598: * If TERM has XT or clear starts with CSI then it is safe to assume
599: * the terminal is derived from the VT100. This controls whether device
600: * attributes requests are sent to get more information.
601: *
602: * This is a bit of a hack but there aren't that many alternatives.
603: * Worst case tmux will just fall back to using whatever terminfo(5)
604: * says without trying to correct anything that is missing.
605: *
606: * Also add few features that VT100-like terminals should either
607: * support or safely ignore.
608: */
609: s = tty_term_string(term, TTYC_CLEAR);
610: if (tty_term_flag(term, TTYC_XT) || strncmp(s, "\033[", 2) == 0) {
611: term->flags |= TERM_VT100LIKE;
612: tty_add_features(feat, "bpaste,focus,title", ",");
1.1 nicm 613: }
614:
1.73 nicm 615: /* Add RGB feature if terminal has RGB colours. */
616: if ((tty_term_flag(term, TTYC_TC) || tty_term_has(term, TTYC_RGB)) &&
617: (!tty_term_has(term, TTYC_SETRGBF) ||
618: !tty_term_has(term, TTYC_SETRGBB)))
1.78 nicm 619: tty_add_features(feat, "RGB", ",");
1.73 nicm 620:
1.76 nicm 621: /* Apply the features and overrides again. */
1.89 ! nicm 622: if (tty_apply_features(term, *feat))
! 623: tty_term_apply_overrides(term);
1.22 nicm 624:
1.71 nicm 625: /* Log the capabilities. */
1.56 nicm 626: for (i = 0; i < tty_term_ncodes(); i++)
627: log_debug("%s%s", name, tty_term_describe(term, i));
1.55 nicm 628:
1.1 nicm 629: return (term);
630:
631: error:
632: tty_term_free(term);
633: return (NULL);
634: }
635:
636: void
637: tty_term_free(struct tty_term *term)
638: {
639: u_int i;
640:
1.73 nicm 641: log_debug("removing term %s", term->name);
1.1 nicm 642:
1.38 nicm 643: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 644: if (term->codes[i].type == TTYCODE_STRING)
1.29 nicm 645: free(term->codes[i].value.string);
1.1 nicm 646: }
1.38 nicm 647: free(term->codes);
648:
1.73 nicm 649: LIST_REMOVE(term, entry);
1.29 nicm 650: free(term->name);
651: free(term);
1.87 nicm 652: }
653:
654: int
655: tty_term_read_list(const char *name, int fd, char ***caps, u_int *ncaps,
656: char **cause)
657: {
658: const struct tty_term_code_entry *ent;
659: int error, n;
660: u_int i;
661: const char *s;
662: char tmp[11];
663:
664: if (setupterm(name, fd, &error) != OK) {
665: switch (error) {
666: case 1:
667: xasprintf(cause, "can't use hardcopy terminal: %s",
668: name);
669: break;
670: case 0:
671: xasprintf(cause, "missing or unsuitable terminal: %s",
672: name);
673: break;
674: case -1:
675: xasprintf(cause, "can't find terminfo database");
676: break;
677: default:
678: xasprintf(cause, "unknown error");
679: break;
680: }
681: return (-1);
682: }
683:
684: *ncaps = 0;
685: *caps = NULL;
686:
687: for (i = 0; i < tty_term_ncodes(); i++) {
688: ent = &tty_term_codes[i];
689: switch (ent->type) {
690: case TTYCODE_NONE:
691: break;
692: case TTYCODE_STRING:
693: s = tigetstr((char *)ent->name);
694: if (s == NULL || s == (char *)-1)
695: continue;
696: break;
697: case TTYCODE_NUMBER:
698: n = tigetnum((char *)ent->name);
699: if (n == -1 || n == -2)
700: continue;
701: xsnprintf(tmp, sizeof tmp, "%d", n);
702: s = tmp;
703: break;
704: case TTYCODE_FLAG:
705: n = tigetflag((char *) ent->name);
706: if (n == -1)
707: continue;
708: if (n)
709: s = "1";
710: else
711: s = "0";
712: break;
713: }
714: *caps = xreallocarray(*caps, (*ncaps) + 1, sizeof **caps);
715: xasprintf(&(*caps)[*ncaps], "%s=%s", ent->name, s);
716: (*ncaps)++;
717: }
718:
719: del_curterm(cur_term);
720: return (0);
721: }
722:
723: void
724: tty_term_free_list(char **caps, u_int ncaps)
725: {
726: u_int i;
727:
728: for (i = 0; i < ncaps; i++)
729: free(caps[i]);
730: free(caps);
1.1 nicm 731: }
732:
733: int
734: tty_term_has(struct tty_term *term, enum tty_code_code code)
735: {
736: return (term->codes[code].type != TTYCODE_NONE);
737: }
738:
739: const char *
740: tty_term_string(struct tty_term *term, enum tty_code_code code)
741: {
742: if (!tty_term_has(term, code))
743: return ("");
744: if (term->codes[code].type != TTYCODE_STRING)
1.42 nicm 745: fatalx("not a string: %d", code);
1.1 nicm 746: return (term->codes[code].value.string);
747: }
748:
749: const char *
750: tty_term_string1(struct tty_term *term, enum tty_code_code code, int a)
751: {
752: return (tparm((char *) tty_term_string(term, code), a));
753: }
754:
755: const char *
756: tty_term_string2(struct tty_term *term, enum tty_code_code code, int a, int b)
1.23 nicm 757: {
758: return (tparm((char *) tty_term_string(term, code), a, b));
1.55 nicm 759: }
760:
761: const char *
1.69 nicm 762: tty_term_string3(struct tty_term *term, enum tty_code_code code, int a, int b,
763: int c)
1.55 nicm 764: {
765: return (tparm((char *) tty_term_string(term, code), a, b, c));
1.24 nicm 766: }
767:
768: const char *
769: tty_term_ptr1(struct tty_term *term, enum tty_code_code code, const void *a)
770: {
771: return (tparm((char *) tty_term_string(term, code), a));
1.23 nicm 772: }
773:
774: const char *
1.34 nicm 775: tty_term_ptr2(struct tty_term *term, enum tty_code_code code, const void *a,
776: const void *b)
1.1 nicm 777: {
778: return (tparm((char *) tty_term_string(term, code), a, b));
779: }
780:
781: int
782: tty_term_number(struct tty_term *term, enum tty_code_code code)
783: {
784: if (!tty_term_has(term, code))
785: return (0);
786: if (term->codes[code].type != TTYCODE_NUMBER)
1.42 nicm 787: fatalx("not a number: %d", code);
1.1 nicm 788: return (term->codes[code].value.number);
789: }
790:
791: int
792: tty_term_flag(struct tty_term *term, enum tty_code_code code)
793: {
794: if (!tty_term_has(term, code))
795: return (0);
796: if (term->codes[code].type != TTYCODE_FLAG)
1.42 nicm 797: fatalx("not a flag: %d", code);
1.1 nicm 798: return (term->codes[code].value.flag);
1.38 nicm 799: }
800:
801: const char *
802: tty_term_describe(struct tty_term *term, enum tty_code_code code)
803: {
804: static char s[256];
805: char out[128];
806:
807: switch (term->codes[code].type) {
808: case TTYCODE_NONE:
809: xsnprintf(s, sizeof s, "%4u: %s: [missing]",
810: code, tty_term_codes[code].name);
811: break;
812: case TTYCODE_STRING:
813: strnvis(out, term->codes[code].value.string, sizeof out,
1.65 nicm 814: VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL);
1.38 nicm 815: xsnprintf(s, sizeof s, "%4u: %s: (string) %s",
816: code, tty_term_codes[code].name,
817: out);
818: break;
819: case TTYCODE_NUMBER:
820: xsnprintf(s, sizeof s, "%4u: %s: (number) %d",
821: code, tty_term_codes[code].name,
822: term->codes[code].value.number);
823: break;
824: case TTYCODE_FLAG:
825: xsnprintf(s, sizeof s, "%4u: %s: (flag) %s",
826: code, tty_term_codes[code].name,
827: term->codes[code].value.flag ? "true" : "false");
828: break;
829: }
830: return (s);
1.1 nicm 831: }