Annotation of src/usr.bin/tmux/tty-term.c, Revision 1.72
1.72 ! nicm 1: /* $OpenBSD: tty-term.c,v 1.71 2020/01/28 11:39:51 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 void tty_term_override(struct tty_term *, const char *);
31: static char *tty_term_strip(const char *);
1.1 nicm 32:
1.20 nicm 33: struct tty_terms tty_terms = LIST_HEAD_INITIALIZER(tty_terms);
1.1 nicm 34:
1.38 nicm 35: enum tty_code_type {
36: TTYCODE_NONE = 0,
37: TTYCODE_STRING,
38: TTYCODE_NUMBER,
39: TTYCODE_FLAG,
1.1 nicm 40: };
41:
1.38 nicm 42: struct tty_code {
43: enum tty_code_type type;
44: union {
45: char *string;
46: int number;
47: int flag;
48: } value;
49: };
50:
51: struct tty_term_code_entry {
52: enum tty_code_type type;
53: const char *name;
54: };
55:
1.46 nicm 56: static const struct tty_term_code_entry tty_term_codes[] = {
1.38 nicm 57: [TTYC_ACSC] = { TTYCODE_STRING, "acsc" },
58: [TTYC_AX] = { TTYCODE_FLAG, "AX" },
59: [TTYC_BCE] = { TTYCODE_FLAG, "bce" },
60: [TTYC_BEL] = { TTYCODE_STRING, "bel" },
61: [TTYC_BLINK] = { TTYCODE_STRING, "blink" },
62: [TTYC_BOLD] = { TTYCODE_STRING, "bold" },
63: [TTYC_CIVIS] = { TTYCODE_STRING, "civis" },
64: [TTYC_CLEAR] = { TTYCODE_STRING, "clear" },
65: [TTYC_CNORM] = { TTYCODE_STRING, "cnorm" },
66: [TTYC_COLORS] = { TTYCODE_NUMBER, "colors" },
67: [TTYC_CR] = { TTYCODE_STRING, "Cr" },
1.57 nicm 68: [TTYC_CSR] = { TTYCODE_STRING, "csr" },
1.38 nicm 69: [TTYC_CS] = { TTYCODE_STRING, "Cs" },
1.57 nicm 70: [TTYC_CUB1] = { TTYCODE_STRING, "cub1" },
1.38 nicm 71: [TTYC_CUB] = { TTYCODE_STRING, "cub" },
1.57 nicm 72: [TTYC_CUD1] = { TTYCODE_STRING, "cud1" },
1.38 nicm 73: [TTYC_CUD] = { TTYCODE_STRING, "cud" },
1.57 nicm 74: [TTYC_CUF1] = { TTYCODE_STRING, "cuf1" },
1.38 nicm 75: [TTYC_CUF] = { TTYCODE_STRING, "cuf" },
76: [TTYC_CUP] = { TTYCODE_STRING, "cup" },
1.57 nicm 77: [TTYC_CUU1] = { TTYCODE_STRING, "cuu1" },
1.38 nicm 78: [TTYC_CUU] = { TTYCODE_STRING, "cuu" },
79: [TTYC_CVVIS] = { TTYCODE_STRING, "cvvis" },
1.57 nicm 80: [TTYC_DCH1] = { TTYCODE_STRING, "dch1" },
1.38 nicm 81: [TTYC_DCH] = { TTYCODE_STRING, "dch" },
82: [TTYC_DIM] = { TTYCODE_STRING, "dim" },
1.57 nicm 83: [TTYC_DL1] = { TTYCODE_STRING, "dl1" },
1.38 nicm 84: [TTYC_DL] = { TTYCODE_STRING, "dl" },
85: [TTYC_E3] = { TTYCODE_STRING, "E3" },
86: [TTYC_ECH] = { TTYCODE_STRING, "ech" },
1.50 nicm 87: [TTYC_ED] = { TTYCODE_STRING, "ed" },
1.57 nicm 88: [TTYC_EL1] = { TTYCODE_STRING, "el1" },
1.38 nicm 89: [TTYC_EL] = { TTYCODE_STRING, "el" },
90: [TTYC_ENACS] = { TTYCODE_STRING, "enacs" },
91: [TTYC_FSL] = { TTYCODE_STRING, "fsl" },
92: [TTYC_HOME] = { TTYCODE_STRING, "home" },
93: [TTYC_HPA] = { TTYCODE_STRING, "hpa" },
1.57 nicm 94: [TTYC_ICH1] = { TTYCODE_STRING, "ich1" },
1.38 nicm 95: [TTYC_ICH] = { TTYCODE_STRING, "ich" },
1.57 nicm 96: [TTYC_IL1] = { TTYCODE_STRING, "il1" },
1.38 nicm 97: [TTYC_IL] = { TTYCODE_STRING, "il" },
1.51 nicm 98: [TTYC_INDN] = { TTYCODE_STRING, "indn" },
1.38 nicm 99: [TTYC_INVIS] = { TTYCODE_STRING, "invis" },
100: [TTYC_KCBT] = { TTYCODE_STRING, "kcbt" },
101: [TTYC_KCUB1] = { TTYCODE_STRING, "kcub1" },
102: [TTYC_KCUD1] = { TTYCODE_STRING, "kcud1" },
103: [TTYC_KCUF1] = { TTYCODE_STRING, "kcuf1" },
104: [TTYC_KCUU1] = { TTYCODE_STRING, "kcuu1" },
105: [TTYC_KDC2] = { TTYCODE_STRING, "kDC" },
106: [TTYC_KDC3] = { TTYCODE_STRING, "kDC3" },
107: [TTYC_KDC4] = { TTYCODE_STRING, "kDC4" },
108: [TTYC_KDC5] = { TTYCODE_STRING, "kDC5" },
109: [TTYC_KDC6] = { TTYCODE_STRING, "kDC6" },
110: [TTYC_KDC7] = { TTYCODE_STRING, "kDC7" },
111: [TTYC_KDCH1] = { TTYCODE_STRING, "kdch1" },
1.57 nicm 112: [TTYC_KDN2] = { TTYCODE_STRING, "kDN" }, /* not kDN2 */
1.38 nicm 113: [TTYC_KDN3] = { TTYCODE_STRING, "kDN3" },
114: [TTYC_KDN4] = { TTYCODE_STRING, "kDN4" },
115: [TTYC_KDN5] = { TTYCODE_STRING, "kDN5" },
116: [TTYC_KDN6] = { TTYCODE_STRING, "kDN6" },
117: [TTYC_KDN7] = { TTYCODE_STRING, "kDN7" },
118: [TTYC_KEND2] = { TTYCODE_STRING, "kEND" },
119: [TTYC_KEND3] = { TTYCODE_STRING, "kEND3" },
120: [TTYC_KEND4] = { TTYCODE_STRING, "kEND4" },
121: [TTYC_KEND5] = { TTYCODE_STRING, "kEND5" },
122: [TTYC_KEND6] = { TTYCODE_STRING, "kEND6" },
123: [TTYC_KEND7] = { TTYCODE_STRING, "kEND7" },
1.57 nicm 124: [TTYC_KEND] = { TTYCODE_STRING, "kend" },
1.38 nicm 125: [TTYC_KF10] = { TTYCODE_STRING, "kf10" },
126: [TTYC_KF11] = { TTYCODE_STRING, "kf11" },
127: [TTYC_KF12] = { TTYCODE_STRING, "kf12" },
128: [TTYC_KF13] = { TTYCODE_STRING, "kf13" },
129: [TTYC_KF14] = { TTYCODE_STRING, "kf14" },
130: [TTYC_KF15] = { TTYCODE_STRING, "kf15" },
131: [TTYC_KF16] = { TTYCODE_STRING, "kf16" },
132: [TTYC_KF17] = { TTYCODE_STRING, "kf17" },
133: [TTYC_KF18] = { TTYCODE_STRING, "kf18" },
134: [TTYC_KF19] = { TTYCODE_STRING, "kf19" },
1.57 nicm 135: [TTYC_KF1] = { TTYCODE_STRING, "kf1" },
1.38 nicm 136: [TTYC_KF20] = { TTYCODE_STRING, "kf20" },
137: [TTYC_KF21] = { TTYCODE_STRING, "kf21" },
138: [TTYC_KF22] = { TTYCODE_STRING, "kf22" },
139: [TTYC_KF23] = { TTYCODE_STRING, "kf23" },
140: [TTYC_KF24] = { TTYCODE_STRING, "kf24" },
141: [TTYC_KF25] = { TTYCODE_STRING, "kf25" },
142: [TTYC_KF26] = { TTYCODE_STRING, "kf26" },
143: [TTYC_KF27] = { TTYCODE_STRING, "kf27" },
144: [TTYC_KF28] = { TTYCODE_STRING, "kf28" },
145: [TTYC_KF29] = { TTYCODE_STRING, "kf29" },
1.57 nicm 146: [TTYC_KF2] = { TTYCODE_STRING, "kf2" },
1.38 nicm 147: [TTYC_KF30] = { TTYCODE_STRING, "kf30" },
148: [TTYC_KF31] = { TTYCODE_STRING, "kf31" },
149: [TTYC_KF32] = { TTYCODE_STRING, "kf32" },
150: [TTYC_KF33] = { TTYCODE_STRING, "kf33" },
151: [TTYC_KF34] = { TTYCODE_STRING, "kf34" },
152: [TTYC_KF35] = { TTYCODE_STRING, "kf35" },
153: [TTYC_KF36] = { TTYCODE_STRING, "kf36" },
154: [TTYC_KF37] = { TTYCODE_STRING, "kf37" },
155: [TTYC_KF38] = { TTYCODE_STRING, "kf38" },
156: [TTYC_KF39] = { TTYCODE_STRING, "kf39" },
1.57 nicm 157: [TTYC_KF3] = { TTYCODE_STRING, "kf3" },
1.38 nicm 158: [TTYC_KF40] = { TTYCODE_STRING, "kf40" },
159: [TTYC_KF41] = { TTYCODE_STRING, "kf41" },
160: [TTYC_KF42] = { TTYCODE_STRING, "kf42" },
161: [TTYC_KF43] = { TTYCODE_STRING, "kf43" },
162: [TTYC_KF44] = { TTYCODE_STRING, "kf44" },
163: [TTYC_KF45] = { TTYCODE_STRING, "kf45" },
164: [TTYC_KF46] = { TTYCODE_STRING, "kf46" },
165: [TTYC_KF47] = { TTYCODE_STRING, "kf47" },
166: [TTYC_KF48] = { TTYCODE_STRING, "kf48" },
167: [TTYC_KF49] = { TTYCODE_STRING, "kf49" },
1.57 nicm 168: [TTYC_KF4] = { TTYCODE_STRING, "kf4" },
1.38 nicm 169: [TTYC_KF50] = { TTYCODE_STRING, "kf50" },
170: [TTYC_KF51] = { TTYCODE_STRING, "kf51" },
171: [TTYC_KF52] = { TTYCODE_STRING, "kf52" },
172: [TTYC_KF53] = { TTYCODE_STRING, "kf53" },
173: [TTYC_KF54] = { TTYCODE_STRING, "kf54" },
174: [TTYC_KF55] = { TTYCODE_STRING, "kf55" },
175: [TTYC_KF56] = { TTYCODE_STRING, "kf56" },
176: [TTYC_KF57] = { TTYCODE_STRING, "kf57" },
177: [TTYC_KF58] = { TTYCODE_STRING, "kf58" },
178: [TTYC_KF59] = { TTYCODE_STRING, "kf59" },
1.57 nicm 179: [TTYC_KF5] = { TTYCODE_STRING, "kf5" },
1.38 nicm 180: [TTYC_KF60] = { TTYCODE_STRING, "kf60" },
181: [TTYC_KF61] = { TTYCODE_STRING, "kf61" },
182: [TTYC_KF62] = { TTYCODE_STRING, "kf62" },
183: [TTYC_KF63] = { TTYCODE_STRING, "kf63" },
1.57 nicm 184: [TTYC_KF6] = { TTYCODE_STRING, "kf6" },
1.38 nicm 185: [TTYC_KF7] = { TTYCODE_STRING, "kf7" },
186: [TTYC_KF8] = { TTYCODE_STRING, "kf8" },
187: [TTYC_KF9] = { TTYCODE_STRING, "kf9" },
188: [TTYC_KHOM2] = { TTYCODE_STRING, "kHOM" },
189: [TTYC_KHOM3] = { TTYCODE_STRING, "kHOM3" },
190: [TTYC_KHOM4] = { TTYCODE_STRING, "kHOM4" },
191: [TTYC_KHOM5] = { TTYCODE_STRING, "kHOM5" },
192: [TTYC_KHOM6] = { TTYCODE_STRING, "kHOM6" },
193: [TTYC_KHOM7] = { TTYCODE_STRING, "kHOM7" },
194: [TTYC_KHOME] = { TTYCODE_STRING, "khome" },
195: [TTYC_KIC2] = { TTYCODE_STRING, "kIC" },
196: [TTYC_KIC3] = { TTYCODE_STRING, "kIC3" },
197: [TTYC_KIC4] = { TTYCODE_STRING, "kIC4" },
198: [TTYC_KIC5] = { TTYCODE_STRING, "kIC5" },
199: [TTYC_KIC6] = { TTYCODE_STRING, "kIC6" },
200: [TTYC_KIC7] = { TTYCODE_STRING, "kIC7" },
201: [TTYC_KICH1] = { TTYCODE_STRING, "kich1" },
1.57 nicm 202: [TTYC_KIND] = { TTYCODE_STRING, "kind" },
1.38 nicm 203: [TTYC_KLFT2] = { TTYCODE_STRING, "kLFT" },
204: [TTYC_KLFT3] = { TTYCODE_STRING, "kLFT3" },
205: [TTYC_KLFT4] = { TTYCODE_STRING, "kLFT4" },
206: [TTYC_KLFT5] = { TTYCODE_STRING, "kLFT5" },
207: [TTYC_KLFT6] = { TTYCODE_STRING, "kLFT6" },
208: [TTYC_KLFT7] = { TTYCODE_STRING, "kLFT7" },
209: [TTYC_KMOUS] = { TTYCODE_STRING, "kmous" },
210: [TTYC_KNP] = { TTYCODE_STRING, "knp" },
211: [TTYC_KNXT2] = { TTYCODE_STRING, "kNXT" },
212: [TTYC_KNXT3] = { TTYCODE_STRING, "kNXT3" },
213: [TTYC_KNXT4] = { TTYCODE_STRING, "kNXT4" },
214: [TTYC_KNXT5] = { TTYCODE_STRING, "kNXT5" },
215: [TTYC_KNXT6] = { TTYCODE_STRING, "kNXT6" },
216: [TTYC_KNXT7] = { TTYCODE_STRING, "kNXT7" },
217: [TTYC_KPP] = { TTYCODE_STRING, "kpp" },
218: [TTYC_KPRV2] = { TTYCODE_STRING, "kPRV" },
219: [TTYC_KPRV3] = { TTYCODE_STRING, "kPRV3" },
220: [TTYC_KPRV4] = { TTYCODE_STRING, "kPRV4" },
221: [TTYC_KPRV5] = { TTYCODE_STRING, "kPRV5" },
222: [TTYC_KPRV6] = { TTYCODE_STRING, "kPRV6" },
223: [TTYC_KPRV7] = { TTYCODE_STRING, "kPRV7" },
224: [TTYC_KRIT2] = { TTYCODE_STRING, "kRIT" },
225: [TTYC_KRIT3] = { TTYCODE_STRING, "kRIT3" },
226: [TTYC_KRIT4] = { TTYCODE_STRING, "kRIT4" },
227: [TTYC_KRIT5] = { TTYCODE_STRING, "kRIT5" },
228: [TTYC_KRIT6] = { TTYCODE_STRING, "kRIT6" },
229: [TTYC_KRIT7] = { TTYCODE_STRING, "kRIT7" },
1.57 nicm 230: [TTYC_KRI] = { TTYCODE_STRING, "kri" },
231: [TTYC_KUP2] = { TTYCODE_STRING, "kUP" }, /* not kUP2 */
1.38 nicm 232: [TTYC_KUP3] = { TTYCODE_STRING, "kUP3" },
233: [TTYC_KUP4] = { TTYCODE_STRING, "kUP4" },
234: [TTYC_KUP5] = { TTYCODE_STRING, "kUP5" },
235: [TTYC_KUP6] = { TTYCODE_STRING, "kUP6" },
236: [TTYC_KUP7] = { TTYCODE_STRING, "kUP7" },
237: [TTYC_MS] = { TTYCODE_STRING, "Ms" },
238: [TTYC_OP] = { TTYCODE_STRING, "op" },
239: [TTYC_REV] = { TTYCODE_STRING, "rev" },
1.58 nicm 240: [TTYC_RGB] = { TTYCODE_FLAG, "RGB" },
1.38 nicm 241: [TTYC_RI] = { TTYCODE_STRING, "ri" },
1.67 nicm 242: [TTYC_RIN] = { TTYCODE_STRING, "rin" },
1.38 nicm 243: [TTYC_RMACS] = { TTYCODE_STRING, "rmacs" },
244: [TTYC_RMCUP] = { TTYCODE_STRING, "rmcup" },
245: [TTYC_RMKX] = { TTYCODE_STRING, "rmkx" },
246: [TTYC_SETAB] = { TTYCODE_STRING, "setab" },
247: [TTYC_SETAF] = { TTYCODE_STRING, "setaf" },
1.55 nicm 248: [TTYC_SETRGBB] = { TTYCODE_STRING, "setrgbb" },
249: [TTYC_SETRGBF] = { TTYCODE_STRING, "setrgbf" },
1.66 nicm 250: [TTYC_SETULC] = { TTYCODE_STRING, "Setulc" },
1.57 nicm 251: [TTYC_SE] = { TTYCODE_STRING, "Se" },
1.38 nicm 252: [TTYC_SGR0] = { TTYCODE_STRING, "sgr0" },
253: [TTYC_SITM] = { TTYCODE_STRING, "sitm" },
254: [TTYC_SMACS] = { TTYCODE_STRING, "smacs" },
255: [TTYC_SMCUP] = { TTYCODE_STRING, "smcup" },
256: [TTYC_SMKX] = { TTYCODE_STRING, "smkx" },
1.64 nicm 257: [TTYC_SMOL] = { TTYCODE_STRING, "Smol" },
1.38 nicm 258: [TTYC_SMSO] = { TTYCODE_STRING, "smso" },
1.60 nicm 259: [TTYC_SMULX] = { TTYCODE_STRING, "Smulx" },
1.38 nicm 260: [TTYC_SMUL] = { TTYCODE_STRING, "smul" },
1.53 nicm 261: [TTYC_SMXX] = { TTYCODE_STRING, "smxx" },
1.38 nicm 262: [TTYC_SS] = { TTYCODE_STRING, "Ss" },
1.72 ! nicm 263: [TTYC_SYNC] = { TTYCODE_FLAG, "Sync" },
1.45 nicm 264: [TTYC_TC] = { TTYCODE_FLAG, "Tc" },
1.38 nicm 265: [TTYC_TSL] = { TTYCODE_STRING, "tsl" },
1.57 nicm 266: [TTYC_U8] = { TTYCODE_NUMBER, "U8" },
1.38 nicm 267: [TTYC_VPA] = { TTYCODE_STRING, "vpa" },
268: [TTYC_XENL] = { TTYCODE_FLAG, "xenl" },
269: [TTYC_XT] = { TTYCODE_FLAG, "XT" },
270: };
271:
272: u_int
273: tty_term_ncodes(void)
274: {
275: return (nitems(tty_term_codes));
276: }
277:
1.46 nicm 278: static char *
1.1 nicm 279: tty_term_strip(const char *s)
280: {
281: const char *ptr;
1.68 nicm 282: static char buf[8192];
1.1 nicm 283: size_t len;
284:
285: /* Ignore strings with no padding. */
286: if (strchr(s, '$') == NULL)
287: return (xstrdup(s));
288:
289: len = 0;
290: for (ptr = s; *ptr != '\0'; ptr++) {
291: if (*ptr == '$' && *(ptr + 1) == '<') {
292: while (*ptr != '\0' && *ptr != '>')
293: ptr++;
294: if (*ptr == '>')
295: ptr++;
296: }
297:
298: buf[len++] = *ptr;
299: if (len == (sizeof buf) - 1)
300: break;
301: }
302: buf[len] = '\0';
303:
304: return (xstrdup(buf));
305: }
306:
1.60 nicm 307: static char *
308: tty_term_override_next(const char *s, size_t *offset)
309: {
1.68 nicm 310: static char value[8192];
1.60 nicm 311: size_t n = 0, at = *offset;
312:
313: if (s[at] == '\0')
314: return (NULL);
315:
316: while (s[at] != '\0') {
317: if (s[at] == ':') {
318: if (s[at + 1] == ':') {
319: value[n++] = ':';
320: at += 2;
321: } else
322: break;
323: } else {
324: value[n++] = s[at];
325: at++;
326: }
327: if (n == (sizeof value) - 1)
328: return (NULL);
329: }
330: if (s[at] != '\0')
331: *offset = at + 1;
332: else
333: *offset = at;
334: value[n] = '\0';
335: return (value);
336: }
337:
1.46 nicm 338: static void
1.49 nicm 339: tty_term_override(struct tty_term *term, const char *override)
1.1 nicm 340: {
1.19 nicm 341: const struct tty_term_code_entry *ent;
342: struct tty_code *code;
1.60 nicm 343: size_t offset = 0;
344: char *cp, *value, *s;
1.19 nicm 345: const char *errstr;
346: u_int i;
1.49 nicm 347: int n, remove;
1.5 nicm 348:
1.60 nicm 349: s = tty_term_override_next(override, &offset);
350: if (s == NULL || fnmatch(s, term->name, 0) != 0)
1.49 nicm 351: return;
1.16 nicm 352:
1.60 nicm 353: while ((s = tty_term_override_next(override, &offset)) != NULL) {
1.49 nicm 354: if (*s == '\0')
1.5 nicm 355: continue;
1.49 nicm 356: value = NULL;
357:
358: remove = 0;
359: if ((cp = strchr(s, '=')) != NULL) {
360: *cp++ = '\0';
361: value = xstrdup(cp);
362: if (strunvis(value, cp) == -1) {
363: free(value);
364: value = xstrdup(cp);
365: }
366: } else if (s[strlen(s) - 1] == '@') {
367: s[strlen(s) - 1] = '\0';
368: remove = 1;
369: } else
370: value = xstrdup("");
371:
372: if (remove)
373: log_debug("%s override: %s@", term->name, s);
1.60 nicm 374: else if (*value == '\0')
375: log_debug("%s override: %s", term->name, s);
1.49 nicm 376: else
377: log_debug("%s override: %s=%s", term->name, s, value);
378:
379: for (i = 0; i < tty_term_ncodes(); i++) {
380: ent = &tty_term_codes[i];
381: if (strcmp(s, ent->name) != 0)
1.5 nicm 382: continue;
1.49 nicm 383: code = &term->codes[i];
1.5 nicm 384:
1.49 nicm 385: if (remove) {
386: code->type = TTYCODE_NONE;
387: continue;
388: }
389: switch (ent->type) {
390: case TTYCODE_NONE:
391: break;
392: case TTYCODE_STRING:
393: if (code->type == TTYCODE_STRING)
394: free(code->value.string);
395: code->value.string = xstrdup(value);
396: code->type = ent->type;
397: break;
398: case TTYCODE_NUMBER:
399: n = strtonum(value, 0, INT_MAX, &errstr);
400: if (errstr != NULL)
1.5 nicm 401: break;
1.49 nicm 402: code->value.number = n;
403: code->type = ent->type;
404: break;
405: case TTYCODE_FLAG:
406: code->value.flag = 1;
407: code->type = ent->type;
408: break;
1.5 nicm 409: }
1.49 nicm 410: }
1.5 nicm 411:
1.49 nicm 412: free(value);
1.1 nicm 413: }
414: }
415:
416: struct tty_term *
1.33 nicm 417: tty_term_find(char *name, int fd, char **cause)
1.1 nicm 418: {
1.19 nicm 419: struct tty_term *term;
420: const struct tty_term_code_entry *ent;
421: struct tty_code *code;
1.49 nicm 422: struct options_entry *o;
1.61 nicm 423: struct options_array_item *a;
1.62 nicm 424: union options_value *ov;
1.61 nicm 425: u_int i;
1.19 nicm 426: int n, error;
1.48 nicm 427: const char *s, *acs;
1.1 nicm 428:
1.20 nicm 429: LIST_FOREACH(term, &tty_terms, entry) {
1.1 nicm 430: if (strcmp(term->name, name) == 0) {
431: term->references++;
432: return (term);
433: }
434: }
1.56 nicm 435: log_debug("new term: %s", name);
1.1 nicm 436:
437: term = xmalloc(sizeof *term);
438: term->name = xstrdup(name);
439: term->references = 1;
440: term->flags = 0;
1.47 nicm 441: term->codes = xcalloc(tty_term_ncodes(), sizeof *term->codes);
1.20 nicm 442: LIST_INSERT_HEAD(&tty_terms, term, entry);
1.1 nicm 443:
1.3 nicm 444: /* Set up curses terminal. */
1.1 nicm 445: if (setupterm(name, fd, &error) != OK) {
446: switch (error) {
1.4 matthieu 447: case 1:
1.43 nicm 448: xasprintf(cause, "can't use hardcopy terminal: %s",
449: name);
1.4 matthieu 450: break;
1.1 nicm 451: case 0:
1.43 nicm 452: xasprintf(cause, "missing or unsuitable terminal: %s",
453: name);
1.1 nicm 454: break;
1.4 matthieu 455: case -1:
1.1 nicm 456: xasprintf(cause, "can't find terminfo database");
457: break;
458: default:
459: xasprintf(cause, "unknown error");
460: break;
461: }
462: goto error;
463: }
464:
465: /* Fill in codes. */
1.38 nicm 466: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 467: ent = &tty_term_codes[i];
468:
1.38 nicm 469: code = &term->codes[i];
1.1 nicm 470: code->type = TTYCODE_NONE;
471: switch (ent->type) {
472: case TTYCODE_NONE:
473: break;
474: case TTYCODE_STRING:
475: s = tigetstr((char *) ent->name);
476: if (s == NULL || s == (char *) -1)
477: break;
478: code->type = TTYCODE_STRING;
479: code->value.string = tty_term_strip(s);
480: break;
481: case TTYCODE_NUMBER:
482: n = tigetnum((char *) ent->name);
483: if (n == -1 || n == -2)
484: break;
485: code->type = TTYCODE_NUMBER;
486: code->value.number = n;
487: break;
488: case TTYCODE_FLAG:
489: n = tigetflag((char *) ent->name);
490: if (n == -1)
491: break;
492: code->type = TTYCODE_FLAG;
1.40 nicm 493: code->value.flag = n;
1.1 nicm 494: break;
495: }
496: }
1.33 nicm 497:
498: /* Apply terminal overrides. */
1.49 nicm 499: o = options_get_only(global_options, "terminal-overrides");
1.61 nicm 500: a = options_array_first(o);
501: while (a != NULL) {
1.62 nicm 502: ov = options_array_item_value(a);
1.63 nicm 503: tty_term_override(term, ov->string);
1.61 nicm 504: a = options_array_next(a);
1.49 nicm 505: }
1.1 nicm 506:
1.3 nicm 507: /* Delete curses data. */
1.1 nicm 508: del_curterm(cur_term);
509:
510: /* These are always required. */
511: if (!tty_term_has(term, TTYC_CLEAR)) {
512: xasprintf(cause, "terminal does not support clear");
513: goto error;
514: }
515: if (!tty_term_has(term, TTYC_CUP)) {
516: xasprintf(cause, "terminal does not support cup");
517: goto error;
518: }
519:
520: /* These can be emulated so one of the two is required. */
521: if (!tty_term_has(term, TTYC_CUD1) && !tty_term_has(term, TTYC_CUD)) {
522: xasprintf(cause, "terminal does not support cud1 or cud");
523: goto error;
524: }
525:
1.71 nicm 526: /* Set flag if terminal has 256 colours. */
527: if (tty_term_number(term, TTYC_COLORS) >= 256)
1.1 nicm 528: term->flags |= TERM_256COLOURS;
529:
1.71 nicm 530: /* Set flag if terminal has RGB colours. */
531: if ((tty_term_flag(term, TTYC_TC) || tty_term_has(term, TTYC_RGB)) ||
532: (tty_term_has(term, TTYC_SETRGBF) &&
533: tty_term_has(term, TTYC_SETRGBB)))
534: term->flags |= TERM_RGBCOLOURS;
1.72 ! nicm 535:
! 536: /* Set flag if terminal has synchronized updates. */
! 537: if (tty_term_flag(term, TTYC_SYNC))
! 538: term->flags |= TERM_SYNC;
1.71 nicm 539:
1.1 nicm 540: /*
541: * Terminals without xenl (eat newline glitch) wrap at at $COLUMNS - 1
542: * rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
543: *
544: * This is irritating, most notably because it is impossible to write
545: * to the very bottom-right of the screen without scrolling.
546: *
547: * Flag the terminal here and apply some workarounds in other places to
548: * do the best possible.
549: */
550: if (!tty_term_flag(term, TTYC_XENL))
1.70 nicm 551: term->flags |= TERM_NOXENL;
1.18 nicm 552:
553: /* Generate ACS table. If none is present, use nearest ASCII. */
554: memset(term->acs, 0, sizeof term->acs);
555: if (tty_term_has(term, TTYC_ACSC))
556: acs = tty_term_string(term, TTYC_ACSC);
557: else
558: acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~.";
559: for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2)
560: term->acs[(u_char) acs[0]][0] = acs[1];
1.22 nicm 561:
562: /* On terminals with xterm titles (XT), fill in tsl and fsl. */
563: if (tty_term_flag(term, TTYC_XT) &&
564: !tty_term_has(term, TTYC_TSL) &&
565: !tty_term_has(term, TTYC_FSL)) {
566: code = &term->codes[TTYC_TSL];
567: code->value.string = xstrdup("\033]0;");
568: code->type = TTYCODE_STRING;
569: code = &term->codes[TTYC_FSL];
570: code->value.string = xstrdup("\007");
571: code->type = TTYCODE_STRING;
572: }
1.1 nicm 573:
1.71 nicm 574: /* Log the capabilities. */
1.56 nicm 575: for (i = 0; i < tty_term_ncodes(); i++)
576: log_debug("%s%s", name, tty_term_describe(term, i));
1.55 nicm 577:
1.1 nicm 578: return (term);
579:
580: error:
581: tty_term_free(term);
582: return (NULL);
583: }
584:
585: void
586: tty_term_free(struct tty_term *term)
587: {
588: u_int i;
589:
590: if (--term->references != 0)
591: return;
592:
1.20 nicm 593: LIST_REMOVE(term, entry);
1.1 nicm 594:
1.38 nicm 595: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 596: if (term->codes[i].type == TTYCODE_STRING)
1.29 nicm 597: free(term->codes[i].value.string);
1.1 nicm 598: }
1.38 nicm 599: free(term->codes);
600:
1.29 nicm 601: free(term->name);
602: free(term);
1.1 nicm 603: }
604:
605: int
606: tty_term_has(struct tty_term *term, enum tty_code_code code)
607: {
608: return (term->codes[code].type != TTYCODE_NONE);
609: }
610:
611: const char *
612: tty_term_string(struct tty_term *term, enum tty_code_code code)
613: {
614: if (!tty_term_has(term, code))
615: return ("");
616: if (term->codes[code].type != TTYCODE_STRING)
1.42 nicm 617: fatalx("not a string: %d", code);
1.1 nicm 618: return (term->codes[code].value.string);
619: }
620:
621: const char *
622: tty_term_string1(struct tty_term *term, enum tty_code_code code, int a)
623: {
624: return (tparm((char *) tty_term_string(term, code), a));
625: }
626:
627: const char *
628: tty_term_string2(struct tty_term *term, enum tty_code_code code, int a, int b)
1.23 nicm 629: {
630: return (tparm((char *) tty_term_string(term, code), a, b));
1.55 nicm 631: }
632:
633: const char *
1.69 nicm 634: tty_term_string3(struct tty_term *term, enum tty_code_code code, int a, int b,
635: int c)
1.55 nicm 636: {
637: return (tparm((char *) tty_term_string(term, code), a, b, c));
1.24 nicm 638: }
639:
640: const char *
641: tty_term_ptr1(struct tty_term *term, enum tty_code_code code, const void *a)
642: {
643: return (tparm((char *) tty_term_string(term, code), a));
1.23 nicm 644: }
645:
646: const char *
1.34 nicm 647: tty_term_ptr2(struct tty_term *term, enum tty_code_code code, const void *a,
648: const void *b)
1.1 nicm 649: {
650: return (tparm((char *) tty_term_string(term, code), a, b));
651: }
652:
653: int
654: tty_term_number(struct tty_term *term, enum tty_code_code code)
655: {
656: if (!tty_term_has(term, code))
657: return (0);
658: if (term->codes[code].type != TTYCODE_NUMBER)
1.42 nicm 659: fatalx("not a number: %d", code);
1.1 nicm 660: return (term->codes[code].value.number);
661: }
662:
663: int
664: tty_term_flag(struct tty_term *term, enum tty_code_code code)
665: {
666: if (!tty_term_has(term, code))
667: return (0);
668: if (term->codes[code].type != TTYCODE_FLAG)
1.42 nicm 669: fatalx("not a flag: %d", code);
1.1 nicm 670: return (term->codes[code].value.flag);
1.38 nicm 671: }
672:
673: const char *
674: tty_term_describe(struct tty_term *term, enum tty_code_code code)
675: {
676: static char s[256];
677: char out[128];
678:
679: switch (term->codes[code].type) {
680: case TTYCODE_NONE:
681: xsnprintf(s, sizeof s, "%4u: %s: [missing]",
682: code, tty_term_codes[code].name);
683: break;
684: case TTYCODE_STRING:
685: strnvis(out, term->codes[code].value.string, sizeof out,
1.65 nicm 686: VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL);
1.38 nicm 687: xsnprintf(s, sizeof s, "%4u: %s: (string) %s",
688: code, tty_term_codes[code].name,
689: out);
690: break;
691: case TTYCODE_NUMBER:
692: xsnprintf(s, sizeof s, "%4u: %s: (number) %d",
693: code, tty_term_codes[code].name,
694: term->codes[code].value.number);
695: break;
696: case TTYCODE_FLAG:
697: xsnprintf(s, sizeof s, "%4u: %s: (flag) %s",
698: code, tty_term_codes[code].name,
699: term->codes[code].value.flag ? "true" : "false");
700: break;
701: }
702: return (s);
1.1 nicm 703: }