Annotation of src/usr.bin/tmux/tty-term.c, Revision 1.86
1.86 ! nicm 1: /* $OpenBSD: tty-term.c,v 1.85 2020/10/13 07:29:24 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" },
251: [TTYC_REV] = { TTYCODE_STRING, "rev" },
1.58 nicm 252: [TTYC_RGB] = { TTYCODE_FLAG, "RGB" },
1.77 nicm 253: [TTYC_RIN] = { TTYCODE_STRING, "rin" },
1.38 nicm 254: [TTYC_RI] = { TTYCODE_STRING, "ri" },
255: [TTYC_RMACS] = { TTYCODE_STRING, "rmacs" },
256: [TTYC_RMCUP] = { TTYCODE_STRING, "rmcup" },
257: [TTYC_RMKX] = { TTYCODE_STRING, "rmkx" },
258: [TTYC_SETAB] = { TTYCODE_STRING, "setab" },
259: [TTYC_SETAF] = { TTYCODE_STRING, "setaf" },
1.84 nicm 260: [TTYC_SETAL] = { TTYCODE_STRING, "setal" },
1.55 nicm 261: [TTYC_SETRGBB] = { TTYCODE_STRING, "setrgbb" },
262: [TTYC_SETRGBF] = { TTYCODE_STRING, "setrgbf" },
1.66 nicm 263: [TTYC_SETULC] = { TTYCODE_STRING, "Setulc" },
1.57 nicm 264: [TTYC_SE] = { TTYCODE_STRING, "Se" },
1.38 nicm 265: [TTYC_SGR0] = { TTYCODE_STRING, "sgr0" },
266: [TTYC_SITM] = { TTYCODE_STRING, "sitm" },
267: [TTYC_SMACS] = { TTYCODE_STRING, "smacs" },
268: [TTYC_SMCUP] = { TTYCODE_STRING, "smcup" },
269: [TTYC_SMKX] = { TTYCODE_STRING, "smkx" },
1.64 nicm 270: [TTYC_SMOL] = { TTYCODE_STRING, "Smol" },
1.38 nicm 271: [TTYC_SMSO] = { TTYCODE_STRING, "smso" },
1.60 nicm 272: [TTYC_SMULX] = { TTYCODE_STRING, "Smulx" },
1.38 nicm 273: [TTYC_SMUL] = { TTYCODE_STRING, "smul" },
1.53 nicm 274: [TTYC_SMXX] = { TTYCODE_STRING, "smxx" },
1.38 nicm 275: [TTYC_SS] = { TTYCODE_STRING, "Ss" },
1.74 nicm 276: [TTYC_SYNC] = { TTYCODE_STRING, "Sync" },
1.45 nicm 277: [TTYC_TC] = { TTYCODE_FLAG, "Tc" },
1.38 nicm 278: [TTYC_TSL] = { TTYCODE_STRING, "tsl" },
1.57 nicm 279: [TTYC_U8] = { TTYCODE_NUMBER, "U8" },
1.38 nicm 280: [TTYC_VPA] = { TTYCODE_STRING, "vpa" },
1.77 nicm 281: [TTYC_XT] = { TTYCODE_FLAG, "XT" }
1.38 nicm 282: };
283:
284: u_int
285: tty_term_ncodes(void)
286: {
287: return (nitems(tty_term_codes));
288: }
289:
1.46 nicm 290: static char *
1.1 nicm 291: tty_term_strip(const char *s)
292: {
293: const char *ptr;
1.68 nicm 294: static char buf[8192];
1.1 nicm 295: size_t len;
296:
297: /* Ignore strings with no padding. */
298: if (strchr(s, '$') == NULL)
299: return (xstrdup(s));
300:
301: len = 0;
302: for (ptr = s; *ptr != '\0'; ptr++) {
303: if (*ptr == '$' && *(ptr + 1) == '<') {
304: while (*ptr != '\0' && *ptr != '>')
305: ptr++;
306: if (*ptr == '>')
307: ptr++;
1.83 nicm 308: if (*ptr == '\0')
309: break;
1.1 nicm 310: }
311:
312: buf[len++] = *ptr;
313: if (len == (sizeof buf) - 1)
314: break;
315: }
316: buf[len] = '\0';
317:
318: return (xstrdup(buf));
319: }
320:
1.60 nicm 321: static char *
322: tty_term_override_next(const char *s, size_t *offset)
323: {
1.68 nicm 324: static char value[8192];
1.60 nicm 325: size_t n = 0, at = *offset;
326:
327: if (s[at] == '\0')
328: return (NULL);
329:
330: while (s[at] != '\0') {
331: if (s[at] == ':') {
332: if (s[at + 1] == ':') {
333: value[n++] = ':';
334: at += 2;
335: } else
336: break;
337: } else {
338: value[n++] = s[at];
339: at++;
340: }
341: if (n == (sizeof value) - 1)
342: return (NULL);
343: }
344: if (s[at] != '\0')
345: *offset = at + 1;
346: else
347: *offset = at;
348: value[n] = '\0';
349: return (value);
350: }
351:
1.73 nicm 352: void
353: tty_term_apply(struct tty_term *term, const char *capabilities, int quiet)
1.1 nicm 354: {
1.19 nicm 355: const struct tty_term_code_entry *ent;
356: struct tty_code *code;
1.60 nicm 357: size_t offset = 0;
358: char *cp, *value, *s;
1.73 nicm 359: const char *errstr, *name = term->name;
1.19 nicm 360: u_int i;
1.49 nicm 361: int n, remove;
1.5 nicm 362:
1.73 nicm 363: while ((s = tty_term_override_next(capabilities, &offset)) != NULL) {
1.49 nicm 364: if (*s == '\0')
1.5 nicm 365: continue;
1.49 nicm 366: value = NULL;
367:
368: remove = 0;
369: if ((cp = strchr(s, '=')) != NULL) {
370: *cp++ = '\0';
371: value = xstrdup(cp);
372: if (strunvis(value, cp) == -1) {
373: free(value);
374: value = xstrdup(cp);
375: }
376: } else if (s[strlen(s) - 1] == '@') {
377: s[strlen(s) - 1] = '\0';
378: remove = 1;
379: } else
380: value = xstrdup("");
381:
1.73 nicm 382: if (!quiet) {
383: if (remove)
384: log_debug("%s override: %s@", name, s);
385: else if (*value == '\0')
386: log_debug("%s override: %s", name, s);
387: else
388: log_debug("%s override: %s=%s", name, s, value);
389: }
1.49 nicm 390:
391: for (i = 0; i < tty_term_ncodes(); i++) {
392: ent = &tty_term_codes[i];
393: if (strcmp(s, ent->name) != 0)
1.5 nicm 394: continue;
1.49 nicm 395: code = &term->codes[i];
1.5 nicm 396:
1.49 nicm 397: if (remove) {
398: code->type = TTYCODE_NONE;
399: continue;
400: }
401: switch (ent->type) {
402: case TTYCODE_NONE:
403: break;
404: case TTYCODE_STRING:
405: if (code->type == TTYCODE_STRING)
406: free(code->value.string);
407: code->value.string = xstrdup(value);
408: code->type = ent->type;
409: break;
410: case TTYCODE_NUMBER:
411: n = strtonum(value, 0, INT_MAX, &errstr);
412: if (errstr != NULL)
1.5 nicm 413: break;
1.49 nicm 414: code->value.number = n;
415: code->type = ent->type;
416: break;
417: case TTYCODE_FLAG:
418: code->value.flag = 1;
419: code->type = ent->type;
420: break;
1.5 nicm 421: }
1.49 nicm 422: }
1.5 nicm 423:
1.49 nicm 424: free(value);
1.1 nicm 425: }
426: }
427:
1.75 nicm 428: void
429: tty_term_apply_overrides(struct tty_term *term)
430: {
431: struct options_entry *o;
432: struct options_array_item *a;
433: union options_value *ov;
434: const char *s;
435: size_t offset;
436: char *first;
437:
438: o = options_get_only(global_options, "terminal-overrides");
439: a = options_array_first(o);
440: while (a != NULL) {
441: ov = options_array_item_value(a);
442: s = ov->string;
443:
444: offset = 0;
445: first = tty_term_override_next(s, &offset);
446: if (first != NULL && fnmatch(first, term->name, 0) == 0)
447: tty_term_apply(term, s + offset, 0);
448: a = options_array_next(a);
449: }
450: }
451:
1.1 nicm 452: struct tty_term *
1.73 nicm 453: tty_term_create(struct tty *tty, char *name, int *feat, int fd, char **cause)
1.1 nicm 454: {
1.19 nicm 455: struct tty_term *term;
456: const struct tty_term_code_entry *ent;
457: struct tty_code *code;
1.49 nicm 458: struct options_entry *o;
1.61 nicm 459: struct options_array_item *a;
1.62 nicm 460: union options_value *ov;
1.61 nicm 461: u_int i;
1.19 nicm 462: int n, error;
1.48 nicm 463: const char *s, *acs;
1.73 nicm 464: size_t offset;
465: char *first;
1.1 nicm 466:
1.73 nicm 467: log_debug("adding term %s", name);
1.1 nicm 468:
1.73 nicm 469: term = xcalloc(1, sizeof *term);
470: term->tty = tty;
1.1 nicm 471: term->name = xstrdup(name);
1.47 nicm 472: term->codes = xcalloc(tty_term_ncodes(), sizeof *term->codes);
1.20 nicm 473: LIST_INSERT_HEAD(&tty_terms, term, entry);
1.1 nicm 474:
1.3 nicm 475: /* Set up curses terminal. */
1.1 nicm 476: if (setupterm(name, fd, &error) != OK) {
477: switch (error) {
1.4 matthieu 478: case 1:
1.43 nicm 479: xasprintf(cause, "can't use hardcopy terminal: %s",
480: name);
1.4 matthieu 481: break;
1.1 nicm 482: case 0:
1.43 nicm 483: xasprintf(cause, "missing or unsuitable terminal: %s",
484: name);
1.1 nicm 485: break;
1.4 matthieu 486: case -1:
1.1 nicm 487: xasprintf(cause, "can't find terminfo database");
488: break;
489: default:
490: xasprintf(cause, "unknown error");
491: break;
492: }
493: goto error;
494: }
495:
496: /* Fill in codes. */
1.38 nicm 497: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 498: ent = &tty_term_codes[i];
499:
1.38 nicm 500: code = &term->codes[i];
1.1 nicm 501: code->type = TTYCODE_NONE;
502: switch (ent->type) {
503: case TTYCODE_NONE:
504: break;
505: case TTYCODE_STRING:
506: s = tigetstr((char *) ent->name);
507: if (s == NULL || s == (char *) -1)
508: break;
509: code->type = TTYCODE_STRING;
510: code->value.string = tty_term_strip(s);
511: break;
512: case TTYCODE_NUMBER:
513: n = tigetnum((char *) ent->name);
514: if (n == -1 || n == -2)
515: break;
516: code->type = TTYCODE_NUMBER;
517: code->value.number = n;
518: break;
519: case TTYCODE_FLAG:
520: n = tigetflag((char *) ent->name);
521: if (n == -1)
522: break;
523: code->type = TTYCODE_FLAG;
1.40 nicm 524: code->value.flag = n;
1.1 nicm 525: break;
526: }
527: }
1.33 nicm 528:
1.73 nicm 529: /* Apply terminal features. */
530: o = options_get_only(global_options, "terminal-features");
531: a = options_array_first(o);
532: while (a != NULL) {
533: ov = options_array_item_value(a);
534: s = ov->string;
535:
536: offset = 0;
537: first = tty_term_override_next(s, &offset);
538: if (first != NULL && fnmatch(first, term->name, 0) == 0)
539: tty_add_features(feat, s + offset, ":");
540: a = options_array_next(a);
541: }
542:
1.3 nicm 543: /* Delete curses data. */
1.1 nicm 544: del_curterm(cur_term);
545:
1.76 nicm 546: /* Apply overrides so any capabilities used for features are changed. */
547: tty_term_apply_overrides(term);
548:
1.1 nicm 549: /* These are always required. */
550: if (!tty_term_has(term, TTYC_CLEAR)) {
551: xasprintf(cause, "terminal does not support clear");
552: goto error;
553: }
554: if (!tty_term_has(term, TTYC_CUP)) {
555: xasprintf(cause, "terminal does not support cup");
556: goto error;
557: }
558:
1.80 nicm 559: /*
560: * If TERM has XT or clear starts with CSI then it is safe to assume
561: * the terminal is derived from the VT100. This controls whether device
562: * attributes requests are sent to get more information.
563: *
564: * This is a bit of a hack but there aren't that many alternatives.
565: * Worst case tmux will just fall back to using whatever terminfo(5)
566: * says without trying to correct anything that is missing.
567: *
568: * Also add few features that VT100-like terminals should either
569: * support or safely ignore.
570: */
571: s = tty_term_string(term, TTYC_CLEAR);
572: if (tty_term_flag(term, TTYC_XT) || strncmp(s, "\033[", 2) == 0) {
573: term->flags |= TERM_VT100LIKE;
574: tty_add_features(feat, "bpaste,focus,title", ",");
1.1 nicm 575: }
576:
1.73 nicm 577: /* Add RGB feature if terminal has RGB colours. */
578: if ((tty_term_flag(term, TTYC_TC) || tty_term_has(term, TTYC_RGB)) &&
579: (!tty_term_has(term, TTYC_SETRGBF) ||
580: !tty_term_has(term, TTYC_SETRGBB)))
1.78 nicm 581: tty_add_features(feat, "RGB", ",");
1.85 nicm 582: if (tty_term_has(term, TTYC_SETRGBF) &&
583: tty_term_has(term, TTYC_SETRGBB))
584: term->flags |= TERM_RGBCOLOURS;
1.73 nicm 585:
1.76 nicm 586: /* Apply the features and overrides again. */
1.73 nicm 587: tty_apply_features(term, *feat);
1.75 nicm 588: tty_term_apply_overrides(term);
1.71 nicm 589:
1.1 nicm 590: /*
1.82 nicm 591: * Terminals without am (auto right margin) wrap at at $COLUMNS - 1
1.1 nicm 592: * rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
593: *
1.82 nicm 594: * Terminals without xenl (eat newline glitch) ignore a newline beyond
595: * the right edge of the terminal, but tmux doesn't care about this -
596: * it always uses absolute only moves the cursor with a newline when
597: * also sending a linefeed.
598: *
599: * This is irritating, most notably because it is painful to write to
600: * the very bottom-right of the screen without scrolling.
1.1 nicm 601: *
602: * Flag the terminal here and apply some workarounds in other places to
603: * do the best possible.
604: */
1.82 nicm 605: if (!tty_term_flag(term, TTYC_AM))
606: term->flags |= TERM_NOAM;
1.18 nicm 607:
608: /* Generate ACS table. If none is present, use nearest ASCII. */
609: memset(term->acs, 0, sizeof term->acs);
610: if (tty_term_has(term, TTYC_ACSC))
611: acs = tty_term_string(term, TTYC_ACSC);
612: else
613: acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~.";
614: for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2)
615: term->acs[(u_char) acs[0]][0] = acs[1];
1.22 nicm 616:
1.71 nicm 617: /* Log the capabilities. */
1.56 nicm 618: for (i = 0; i < tty_term_ncodes(); i++)
619: log_debug("%s%s", name, tty_term_describe(term, i));
1.55 nicm 620:
1.1 nicm 621: return (term);
622:
623: error:
624: tty_term_free(term);
625: return (NULL);
626: }
627:
628: void
629: tty_term_free(struct tty_term *term)
630: {
631: u_int i;
632:
1.73 nicm 633: log_debug("removing term %s", term->name);
1.1 nicm 634:
1.38 nicm 635: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 636: if (term->codes[i].type == TTYCODE_STRING)
1.29 nicm 637: free(term->codes[i].value.string);
1.1 nicm 638: }
1.38 nicm 639: free(term->codes);
640:
1.73 nicm 641: LIST_REMOVE(term, entry);
1.29 nicm 642: free(term->name);
643: free(term);
1.1 nicm 644: }
645:
646: int
647: tty_term_has(struct tty_term *term, enum tty_code_code code)
648: {
649: return (term->codes[code].type != TTYCODE_NONE);
650: }
651:
652: const char *
653: tty_term_string(struct tty_term *term, enum tty_code_code code)
654: {
655: if (!tty_term_has(term, code))
656: return ("");
657: if (term->codes[code].type != TTYCODE_STRING)
1.42 nicm 658: fatalx("not a string: %d", code);
1.1 nicm 659: return (term->codes[code].value.string);
660: }
661:
662: const char *
663: tty_term_string1(struct tty_term *term, enum tty_code_code code, int a)
664: {
665: return (tparm((char *) tty_term_string(term, code), a));
666: }
667:
668: const char *
669: tty_term_string2(struct tty_term *term, enum tty_code_code code, int a, int b)
1.23 nicm 670: {
671: return (tparm((char *) tty_term_string(term, code), a, b));
1.55 nicm 672: }
673:
674: const char *
1.69 nicm 675: tty_term_string3(struct tty_term *term, enum tty_code_code code, int a, int b,
676: int c)
1.55 nicm 677: {
678: return (tparm((char *) tty_term_string(term, code), a, b, c));
1.24 nicm 679: }
680:
681: const char *
682: tty_term_ptr1(struct tty_term *term, enum tty_code_code code, const void *a)
683: {
684: return (tparm((char *) tty_term_string(term, code), a));
1.23 nicm 685: }
686:
687: const char *
1.34 nicm 688: tty_term_ptr2(struct tty_term *term, enum tty_code_code code, const void *a,
689: const void *b)
1.1 nicm 690: {
691: return (tparm((char *) tty_term_string(term, code), a, b));
692: }
693:
694: int
695: tty_term_number(struct tty_term *term, enum tty_code_code code)
696: {
697: if (!tty_term_has(term, code))
698: return (0);
699: if (term->codes[code].type != TTYCODE_NUMBER)
1.42 nicm 700: fatalx("not a number: %d", code);
1.1 nicm 701: return (term->codes[code].value.number);
702: }
703:
704: int
705: tty_term_flag(struct tty_term *term, enum tty_code_code code)
706: {
707: if (!tty_term_has(term, code))
708: return (0);
709: if (term->codes[code].type != TTYCODE_FLAG)
1.42 nicm 710: fatalx("not a flag: %d", code);
1.1 nicm 711: return (term->codes[code].value.flag);
1.38 nicm 712: }
713:
714: const char *
715: tty_term_describe(struct tty_term *term, enum tty_code_code code)
716: {
717: static char s[256];
718: char out[128];
719:
720: switch (term->codes[code].type) {
721: case TTYCODE_NONE:
722: xsnprintf(s, sizeof s, "%4u: %s: [missing]",
723: code, tty_term_codes[code].name);
724: break;
725: case TTYCODE_STRING:
726: strnvis(out, term->codes[code].value.string, sizeof out,
1.65 nicm 727: VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL);
1.38 nicm 728: xsnprintf(s, sizeof s, "%4u: %s: (string) %s",
729: code, tty_term_codes[code].name,
730: out);
731: break;
732: case TTYCODE_NUMBER:
733: xsnprintf(s, sizeof s, "%4u: %s: (number) %d",
734: code, tty_term_codes[code].name,
735: term->codes[code].value.number);
736: break;
737: case TTYCODE_FLAG:
738: xsnprintf(s, sizeof s, "%4u: %s: (flag) %s",
739: code, tty_term_codes[code].name,
740: term->codes[code].value.flag ? "true" : "false");
741: break;
742: }
743: return (s);
1.1 nicm 744: }
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