Annotation of src/usr.bin/tmux/tty-term.c, Revision 1.37
1.37 ! nicm 1: /* $OpenBSD: tty-term.c,v 1.36 2015/01/20 08:18:04 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20:
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:
1.5 nicm 30: void tty_term_override(struct tty_term *, const char *);
1.1 nicm 31: char *tty_term_strip(const char *);
32:
1.20 nicm 33: struct tty_terms tty_terms = LIST_HEAD_INITIALIZER(tty_terms);
1.1 nicm 34:
1.19 nicm 35: const struct tty_term_code_entry tty_term_codes[NTTYCODE] = {
1.13 nicm 36: { TTYC_ACSC, TTYCODE_STRING, "acsc" },
1.1 nicm 37: { TTYC_AX, TTYCODE_FLAG, "AX" },
1.37 ! nicm 38: { TTYC_BCE, TTYCODE_FLAG, "bce" },
1.1 nicm 39: { TTYC_BEL, TTYCODE_STRING, "bel" },
40: { TTYC_BLINK, TTYCODE_STRING, "blink" },
41: { TTYC_BOLD, TTYCODE_STRING, "bold" },
42: { TTYC_CIVIS, TTYCODE_STRING, "civis" },
43: { TTYC_CLEAR, TTYCODE_STRING, "clear" },
44: { TTYC_CNORM, TTYCODE_STRING, "cnorm" },
45: { TTYC_COLORS, TTYCODE_NUMBER, "colors" },
1.24 nicm 46: { TTYC_CR, TTYCODE_STRING, "Cr" },
1.32 nicm 47: { TTYC_CS, TTYCODE_STRING, "Cs" },
1.1 nicm 48: { TTYC_CSR, TTYCODE_STRING, "csr" },
1.10 nicm 49: { TTYC_CUB, TTYCODE_STRING, "cub" },
50: { TTYC_CUB1, TTYCODE_STRING, "cub1" },
1.1 nicm 51: { TTYC_CUD, TTYCODE_STRING, "cud" },
52: { TTYC_CUD1, TTYCODE_STRING, "cud1" },
1.10 nicm 53: { TTYC_CUF, TTYCODE_STRING, "cuf" },
54: { TTYC_CUF1, TTYCODE_STRING, "cuf1" },
1.1 nicm 55: { TTYC_CUP, TTYCODE_STRING, "cup" },
1.10 nicm 56: { TTYC_CUU, TTYCODE_STRING, "cuu" },
57: { TTYC_CUU1, TTYCODE_STRING, "cuu1" },
1.36 nicm 58: { TTYC_CVVIS, TTYCODE_STRING, "cvvis" },
1.1 nicm 59: { TTYC_DCH, TTYCODE_STRING, "dch" },
60: { TTYC_DCH1, TTYCODE_STRING, "dch1" },
61: { TTYC_DIM, TTYCODE_STRING, "dim" },
62: { TTYC_DL, TTYCODE_STRING, "dl" },
63: { TTYC_DL1, TTYCODE_STRING, "dl1" },
1.26 nicm 64: { TTYC_E3, TTYCODE_STRING, "E3" },
1.30 nicm 65: { TTYC_ECH, TTYCODE_STRING, "ech" },
1.1 nicm 66: { TTYC_EL, TTYCODE_STRING, "el" },
67: { TTYC_EL1, TTYCODE_STRING, "el1" },
68: { TTYC_ENACS, TTYCODE_STRING, "enacs" },
1.22 nicm 69: { TTYC_FSL, TTYCODE_STRING, "fsl" },
1.10 nicm 70: { TTYC_HOME, TTYCODE_STRING, "home" },
71: { TTYC_HPA, TTYCODE_STRING, "hpa" },
1.1 nicm 72: { TTYC_ICH, TTYCODE_STRING, "ich" },
73: { TTYC_ICH1, TTYCODE_STRING, "ich1" },
74: { TTYC_IL, TTYCODE_STRING, "il" },
75: { TTYC_IL1, TTYCODE_STRING, "il1" },
76: { TTYC_INVIS, TTYCODE_STRING, "invis" },
77: { TTYC_IS1, TTYCODE_STRING, "is1" },
78: { TTYC_IS2, TTYCODE_STRING, "is2" },
79: { TTYC_IS3, TTYCODE_STRING, "is3" },
80: { TTYC_KCBT, TTYCODE_STRING, "kcbt" },
81: { TTYC_KCUB1, TTYCODE_STRING, "kcub1" },
82: { TTYC_KCUD1, TTYCODE_STRING, "kcud1" },
83: { TTYC_KCUF1, TTYCODE_STRING, "kcuf1" },
84: { TTYC_KCUU1, TTYCODE_STRING, "kcuu1" },
1.13 nicm 85: { TTYC_KDC2, TTYCODE_STRING, "kDC" },
86: { TTYC_KDC3, TTYCODE_STRING, "kDC3" },
87: { TTYC_KDC4, TTYCODE_STRING, "kDC4" },
88: { TTYC_KDC5, TTYCODE_STRING, "kDC5" },
89: { TTYC_KDC6, TTYCODE_STRING, "kDC6" },
90: { TTYC_KDC7, TTYCODE_STRING, "kDC7" },
1.1 nicm 91: { TTYC_KDCH1, TTYCODE_STRING, "kdch1" },
1.13 nicm 92: { TTYC_KDN2, TTYCODE_STRING, "kDN" },
93: { TTYC_KDN3, TTYCODE_STRING, "kDN3" },
94: { TTYC_KDN4, TTYCODE_STRING, "kDN4" },
95: { TTYC_KDN5, TTYCODE_STRING, "kDN5" },
96: { TTYC_KDN6, TTYCODE_STRING, "kDN6" },
97: { TTYC_KDN7, TTYCODE_STRING, "kDN7" },
1.1 nicm 98: { TTYC_KEND, TTYCODE_STRING, "kend" },
1.13 nicm 99: { TTYC_KEND2, TTYCODE_STRING, "kEND" },
100: { TTYC_KEND3, TTYCODE_STRING, "kEND3" },
101: { TTYC_KEND4, TTYCODE_STRING, "kEND4" },
102: { TTYC_KEND5, TTYCODE_STRING, "kEND5" },
103: { TTYC_KEND6, TTYCODE_STRING, "kEND6" },
104: { TTYC_KEND7, TTYCODE_STRING, "kEND7" },
1.1 nicm 105: { TTYC_KF1, TTYCODE_STRING, "kf1" },
106: { TTYC_KF10, TTYCODE_STRING, "kf10" },
107: { TTYC_KF11, TTYCODE_STRING, "kf11" },
108: { TTYC_KF12, TTYCODE_STRING, "kf12" },
109: { TTYC_KF13, TTYCODE_STRING, "kf13" },
110: { TTYC_KF14, TTYCODE_STRING, "kf14" },
111: { TTYC_KF15, TTYCODE_STRING, "kf15" },
112: { TTYC_KF16, TTYCODE_STRING, "kf16" },
113: { TTYC_KF17, TTYCODE_STRING, "kf17" },
114: { TTYC_KF18, TTYCODE_STRING, "kf18" },
115: { TTYC_KF19, TTYCODE_STRING, "kf19" },
1.10 nicm 116: { TTYC_KF2, TTYCODE_STRING, "kf2" },
1.1 nicm 117: { TTYC_KF20, TTYCODE_STRING, "kf20" },
1.35 nicm 118: { TTYC_KF21, TTYCODE_STRING, "kf21" },
119: { TTYC_KF22, TTYCODE_STRING, "kf22" },
120: { TTYC_KF23, TTYCODE_STRING, "kf23" },
121: { TTYC_KF24, TTYCODE_STRING, "kf24" },
122: { TTYC_KF25, TTYCODE_STRING, "kf25" },
123: { TTYC_KF26, TTYCODE_STRING, "kf26" },
124: { TTYC_KF27, TTYCODE_STRING, "kf27" },
125: { TTYC_KF28, TTYCODE_STRING, "kf28" },
126: { TTYC_KF29, TTYCODE_STRING, "kf29" },
1.1 nicm 127: { TTYC_KF3, TTYCODE_STRING, "kf3" },
1.35 nicm 128: { TTYC_KF30, TTYCODE_STRING, "kf30" },
129: { TTYC_KF31, TTYCODE_STRING, "kf31" },
130: { TTYC_KF32, TTYCODE_STRING, "kf32" },
131: { TTYC_KF33, TTYCODE_STRING, "kf33" },
132: { TTYC_KF34, TTYCODE_STRING, "kf34" },
133: { TTYC_KF35, TTYCODE_STRING, "kf35" },
134: { TTYC_KF36, TTYCODE_STRING, "kf36" },
135: { TTYC_KF37, TTYCODE_STRING, "kf37" },
136: { TTYC_KF38, TTYCODE_STRING, "kf38" },
137: { TTYC_KF39, TTYCODE_STRING, "kf39" },
1.1 nicm 138: { TTYC_KF4, TTYCODE_STRING, "kf4" },
1.35 nicm 139: { TTYC_KF40, TTYCODE_STRING, "kf40" },
140: { TTYC_KF41, TTYCODE_STRING, "kf41" },
141: { TTYC_KF42, TTYCODE_STRING, "kf42" },
142: { TTYC_KF43, TTYCODE_STRING, "kf43" },
143: { TTYC_KF44, TTYCODE_STRING, "kf44" },
144: { TTYC_KF45, TTYCODE_STRING, "kf45" },
145: { TTYC_KF46, TTYCODE_STRING, "kf46" },
146: { TTYC_KF47, TTYCODE_STRING, "kf47" },
147: { TTYC_KF48, TTYCODE_STRING, "kf48" },
148: { TTYC_KF49, TTYCODE_STRING, "kf49" },
1.1 nicm 149: { TTYC_KF5, TTYCODE_STRING, "kf5" },
1.35 nicm 150: { TTYC_KF50, TTYCODE_STRING, "kf50" },
151: { TTYC_KF51, TTYCODE_STRING, "kf51" },
152: { TTYC_KF52, TTYCODE_STRING, "kf52" },
153: { TTYC_KF53, TTYCODE_STRING, "kf53" },
154: { TTYC_KF54, TTYCODE_STRING, "kf54" },
155: { TTYC_KF55, TTYCODE_STRING, "kf55" },
156: { TTYC_KF56, TTYCODE_STRING, "kf56" },
157: { TTYC_KF57, TTYCODE_STRING, "kf57" },
158: { TTYC_KF58, TTYCODE_STRING, "kf58" },
159: { TTYC_KF59, TTYCODE_STRING, "kf59" },
1.1 nicm 160: { TTYC_KF6, TTYCODE_STRING, "kf6" },
1.35 nicm 161: { TTYC_KF60, TTYCODE_STRING, "kf60" },
162: { TTYC_KF61, TTYCODE_STRING, "kf61" },
163: { TTYC_KF62, TTYCODE_STRING, "kf62" },
164: { TTYC_KF63, TTYCODE_STRING, "kf63" },
1.1 nicm 165: { TTYC_KF7, TTYCODE_STRING, "kf7" },
166: { TTYC_KF8, TTYCODE_STRING, "kf8" },
167: { TTYC_KF9, TTYCODE_STRING, "kf9" },
1.13 nicm 168: { TTYC_KHOM2, TTYCODE_STRING, "kHOM" },
169: { TTYC_KHOM3, TTYCODE_STRING, "kHOM3" },
170: { TTYC_KHOM4, TTYCODE_STRING, "kHOM4" },
171: { TTYC_KHOM5, TTYCODE_STRING, "kHOM5" },
172: { TTYC_KHOM6, TTYCODE_STRING, "kHOM6" },
173: { TTYC_KHOM7, TTYCODE_STRING, "kHOM7" },
1.1 nicm 174: { TTYC_KHOME, TTYCODE_STRING, "khome" },
1.13 nicm 175: { TTYC_KIC2, TTYCODE_STRING, "kIC" },
176: { TTYC_KIC3, TTYCODE_STRING, "kIC3" },
177: { TTYC_KIC4, TTYCODE_STRING, "kIC4" },
178: { TTYC_KIC5, TTYCODE_STRING, "kIC5" },
179: { TTYC_KIC6, TTYCODE_STRING, "kIC6" },
180: { TTYC_KIC7, TTYCODE_STRING, "kIC7" },
1.1 nicm 181: { TTYC_KICH1, TTYCODE_STRING, "kich1" },
1.13 nicm 182: { TTYC_KLFT2, TTYCODE_STRING, "kLFT" },
183: { TTYC_KLFT3, TTYCODE_STRING, "kLFT3" },
184: { TTYC_KLFT4, TTYCODE_STRING, "kLFT4" },
185: { TTYC_KLFT5, TTYCODE_STRING, "kLFT5" },
186: { TTYC_KLFT6, TTYCODE_STRING, "kLFT6" },
187: { TTYC_KLFT7, TTYCODE_STRING, "kLFT7" },
1.1 nicm 188: { TTYC_KMOUS, TTYCODE_STRING, "kmous" },
189: { TTYC_KNP, TTYCODE_STRING, "knp" },
1.13 nicm 190: { TTYC_KNXT2, TTYCODE_STRING, "kNXT" },
191: { TTYC_KNXT3, TTYCODE_STRING, "kNXT3" },
192: { TTYC_KNXT4, TTYCODE_STRING, "kNXT4" },
193: { TTYC_KNXT5, TTYCODE_STRING, "kNXT5" },
194: { TTYC_KNXT6, TTYCODE_STRING, "kNXT6" },
195: { TTYC_KNXT7, TTYCODE_STRING, "kNXT7" },
1.1 nicm 196: { TTYC_KPP, TTYCODE_STRING, "kpp" },
1.13 nicm 197: { TTYC_KPRV2, TTYCODE_STRING, "kPRV" },
198: { TTYC_KPRV3, TTYCODE_STRING, "kPRV3" },
199: { TTYC_KPRV4, TTYCODE_STRING, "kPRV4" },
200: { TTYC_KPRV5, TTYCODE_STRING, "kPRV5" },
201: { TTYC_KPRV6, TTYCODE_STRING, "kPRV6" },
202: { TTYC_KPRV7, TTYCODE_STRING, "kPRV7" },
203: { TTYC_KRIT2, TTYCODE_STRING, "kRIT" },
204: { TTYC_KRIT3, TTYCODE_STRING, "kRIT3" },
205: { TTYC_KRIT4, TTYCODE_STRING, "kRIT4" },
206: { TTYC_KRIT5, TTYCODE_STRING, "kRIT5" },
207: { TTYC_KRIT6, TTYCODE_STRING, "kRIT6" },
208: { TTYC_KRIT7, TTYCODE_STRING, "kRIT7" },
209: { TTYC_KUP2, TTYCODE_STRING, "kUP" },
210: { TTYC_KUP3, TTYCODE_STRING, "kUP3" },
211: { TTYC_KUP4, TTYCODE_STRING, "kUP4" },
212: { TTYC_KUP5, TTYCODE_STRING, "kUP5" },
213: { TTYC_KUP6, TTYCODE_STRING, "kUP6" },
214: { TTYC_KUP7, TTYCODE_STRING, "kUP7" },
1.23 nicm 215: { TTYC_MS, TTYCODE_STRING, "Ms" },
1.1 nicm 216: { TTYC_OP, TTYCODE_STRING, "op" },
217: { TTYC_REV, TTYCODE_STRING, "rev" },
218: { TTYC_RI, TTYCODE_STRING, "ri" },
219: { TTYC_RMACS, TTYCODE_STRING, "rmacs" },
220: { TTYC_RMCUP, TTYCODE_STRING, "rmcup" },
221: { TTYC_RMKX, TTYCODE_STRING, "rmkx" },
1.32 nicm 222: { TTYC_SE, TTYCODE_STRING, "Se" },
1.1 nicm 223: { TTYC_SETAB, TTYCODE_STRING, "setab" },
224: { TTYC_SETAF, TTYCODE_STRING, "setaf" },
225: { TTYC_SGR0, TTYCODE_STRING, "sgr0" },
1.22 nicm 226: { TTYC_SITM, TTYCODE_STRING, "sitm" },
1.1 nicm 227: { TTYC_SMACS, TTYCODE_STRING, "smacs" },
228: { TTYC_SMCUP, TTYCODE_STRING, "smcup" },
229: { TTYC_SMKX, TTYCODE_STRING, "smkx" },
230: { TTYC_SMSO, TTYCODE_STRING, "smso" },
231: { TTYC_SMUL, TTYCODE_STRING, "smul" },
1.32 nicm 232: { TTYC_SS, TTYCODE_STRING, "Ss" },
1.22 nicm 233: { TTYC_TSL, TTYCODE_STRING, "tsl" },
1.10 nicm 234: { TTYC_VPA, TTYCODE_STRING, "vpa" },
1.1 nicm 235: { TTYC_XENL, TTYCODE_FLAG, "xenl" },
1.22 nicm 236: { TTYC_XT, TTYCODE_FLAG, "XT" },
1.1 nicm 237: };
238:
239: char *
240: tty_term_strip(const char *s)
241: {
242: const char *ptr;
243: static char buf[BUFSIZ];
244: size_t len;
245:
246: /* Ignore strings with no padding. */
247: if (strchr(s, '$') == NULL)
248: return (xstrdup(s));
249:
250: len = 0;
251: for (ptr = s; *ptr != '\0'; ptr++) {
252: if (*ptr == '$' && *(ptr + 1) == '<') {
253: while (*ptr != '\0' && *ptr != '>')
254: ptr++;
255: if (*ptr == '>')
256: ptr++;
257: }
258:
259: buf[len++] = *ptr;
260: if (len == (sizeof buf) - 1)
261: break;
262: }
263: buf[len] = '\0';
264:
265: return (xstrdup(buf));
266: }
267:
268: void
1.5 nicm 269: tty_term_override(struct tty_term *term, const char *overrides)
1.1 nicm 270: {
1.19 nicm 271: const struct tty_term_code_entry *ent;
272: struct tty_code *code;
273: char *termnext, *termstr;
274: char *entnext, *entstr;
275: char *s, *ptr, *val;
276: const char *errstr;
277: u_int i;
278: int n, removeflag;
1.5 nicm 279:
280: s = xstrdup(overrides);
281:
282: termnext = s;
283: while ((termstr = strsep(&termnext, ",")) != NULL) {
284: entnext = termstr;
1.16 nicm 285:
1.5 nicm 286: entstr = strsep(&entnext, ":");
287: if (entstr == NULL || entnext == NULL)
288: continue;
289: if (fnmatch(entstr, term->name, 0) != 0)
290: continue;
291: while ((entstr = strsep(&entnext, ":")) != NULL) {
292: if (*entstr == '\0')
293: continue;
294:
295: val = NULL;
296: removeflag = 0;
1.16 nicm 297: if ((ptr = strchr(entstr, '=')) != NULL) {
1.5 nicm 298: *ptr++ = '\0';
299: val = xstrdup(ptr);
1.9 nicm 300: if (strunvis(val, ptr) == -1) {
1.29 nicm 301: free(val);
1.5 nicm 302: val = xstrdup(ptr);
303: }
304: } else if (entstr[strlen(entstr) - 1] == '@') {
305: entstr[strlen(entstr) - 1] = '\0';
306: removeflag = 1;
1.17 nicm 307: } else
1.22 nicm 308: val = xstrdup("");
1.5 nicm 309:
1.27 nicm 310: log_debug("%s override: %s %s",
311: term->name, entstr, removeflag ? "@" : val);
1.5 nicm 312: for (i = 0; i < NTTYCODE; i++) {
313: ent = &tty_term_codes[i];
314: if (strcmp(entstr, ent->name) != 0)
315: continue;
316: code = &term->codes[ent->code];
317:
318: if (removeflag) {
319: code->type = TTYCODE_NONE;
320: continue;
321: }
322: switch (ent->type) {
323: case TTYCODE_NONE:
324: break;
325: case TTYCODE_STRING:
1.6 nicm 326: if (code->type == TTYCODE_STRING)
1.29 nicm 327: free(code->value.string);
1.5 nicm 328: code->value.string = xstrdup(val);
329: code->type = ent->type;
330: break;
331: case TTYCODE_NUMBER:
332: n = strtonum(val, 0, INT_MAX, &errstr);
333: if (errstr != NULL)
334: break;
335: code->value.number = n;
336: code->type = ent->type;
337: break;
338: case TTYCODE_FLAG:
339: code->value.flag = 1;
340: code->type = ent->type;
341: break;
342: }
343: }
344:
1.29 nicm 345: free(val);
1.1 nicm 346: }
347: }
348:
1.29 nicm 349: free(s);
1.1 nicm 350: }
351:
352: struct tty_term *
1.33 nicm 353: tty_term_find(char *name, int fd, char **cause)
1.1 nicm 354: {
1.19 nicm 355: struct tty_term *term;
356: const struct tty_term_code_entry *ent;
357: struct tty_code *code;
358: u_int i;
359: int n, error;
360: char *s;
361: const char *acs;
1.1 nicm 362:
1.20 nicm 363: LIST_FOREACH(term, &tty_terms, entry) {
1.1 nicm 364: if (strcmp(term->name, name) == 0) {
365: term->references++;
366: return (term);
367: }
368: }
369:
370: log_debug("new term: %s", name);
371: term = xmalloc(sizeof *term);
372: term->name = xstrdup(name);
373: term->references = 1;
374: term->flags = 0;
1.18 nicm 375: memset(term->codes, 0, sizeof term->codes);
1.20 nicm 376: LIST_INSERT_HEAD(&tty_terms, term, entry);
1.1 nicm 377:
1.3 nicm 378: /* Set up curses terminal. */
1.1 nicm 379: if (setupterm(name, fd, &error) != OK) {
380: switch (error) {
1.4 matthieu 381: case 1:
1.16 nicm 382: xasprintf(
383: cause, "can't use hardcopy terminal: %s", name);
1.4 matthieu 384: break;
1.1 nicm 385: case 0:
1.16 nicm 386: xasprintf(
387: cause, "missing or unsuitable terminal: %s", name);
1.1 nicm 388: break;
1.4 matthieu 389: case -1:
1.1 nicm 390: xasprintf(cause, "can't find terminfo database");
391: break;
392: default:
393: xasprintf(cause, "unknown error");
394: break;
395: }
396: goto error;
397: }
398:
399: /* Fill in codes. */
400: for (i = 0; i < NTTYCODE; i++) {
401: ent = &tty_term_codes[i];
402:
403: code = &term->codes[ent->code];
404: code->type = TTYCODE_NONE;
405: switch (ent->type) {
406: case TTYCODE_NONE:
407: break;
408: case TTYCODE_STRING:
409: s = tigetstr((char *) ent->name);
410: if (s == NULL || s == (char *) -1)
411: break;
412: code->type = TTYCODE_STRING;
413: code->value.string = tty_term_strip(s);
414: break;
415: case TTYCODE_NUMBER:
416: n = tigetnum((char *) ent->name);
417: if (n == -1 || n == -2)
418: break;
419: code->type = TTYCODE_NUMBER;
420: code->value.number = n;
421: break;
422: case TTYCODE_FLAG:
423: n = tigetflag((char *) ent->name);
424: if (n == -1)
425: break;
426: code->type = TTYCODE_FLAG;
427: code->value.number = n;
428: break;
429: }
430: }
1.33 nicm 431:
432: /* Apply terminal overrides. */
433: s = options_get_string(&global_options, "terminal-overrides");
434: tty_term_override(term, s);
1.1 nicm 435:
1.3 nicm 436: /* Delete curses data. */
1.1 nicm 437: del_curterm(cur_term);
438:
439: /* These are always required. */
440: if (!tty_term_has(term, TTYC_CLEAR)) {
441: xasprintf(cause, "terminal does not support clear");
442: goto error;
443: }
444: if (!tty_term_has(term, TTYC_CUP)) {
445: xasprintf(cause, "terminal does not support cup");
446: goto error;
447: }
448:
449: /* These can be emulated so one of the two is required. */
450: if (!tty_term_has(term, TTYC_CUD1) && !tty_term_has(term, TTYC_CUD)) {
451: xasprintf(cause, "terminal does not support cud1 or cud");
452: goto error;
453: }
454:
1.31 nicm 455: /* Figure out if we have 256. */
1.1 nicm 456: if (tty_term_number(term, TTYC_COLORS) == 256)
457: term->flags |= TERM_256COLOURS;
458:
459: /*
460: * Terminals without xenl (eat newline glitch) wrap at at $COLUMNS - 1
461: * rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
462: *
463: * This is irritating, most notably because it is impossible to write
464: * to the very bottom-right of the screen without scrolling.
465: *
466: * Flag the terminal here and apply some workarounds in other places to
467: * do the best possible.
468: */
469: if (!tty_term_flag(term, TTYC_XENL))
470: term->flags |= TERM_EARLYWRAP;
1.18 nicm 471:
472: /* Generate ACS table. If none is present, use nearest ASCII. */
473: memset(term->acs, 0, sizeof term->acs);
474: if (tty_term_has(term, TTYC_ACSC))
475: acs = tty_term_string(term, TTYC_ACSC);
476: else
477: acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~.";
478: for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2)
479: term->acs[(u_char) acs[0]][0] = acs[1];
1.22 nicm 480:
481: /* On terminals with xterm titles (XT), fill in tsl and fsl. */
482: if (tty_term_flag(term, TTYC_XT) &&
483: !tty_term_has(term, TTYC_TSL) &&
484: !tty_term_has(term, TTYC_FSL)) {
485: code = &term->codes[TTYC_TSL];
486: code->value.string = xstrdup("\033]0;");
487: code->type = TTYCODE_STRING;
488: code = &term->codes[TTYC_FSL];
489: code->value.string = xstrdup("\007");
490: code->type = TTYCODE_STRING;
491: }
1.1 nicm 492:
493: return (term);
494:
495: error:
496: tty_term_free(term);
497: return (NULL);
498: }
499:
500: void
501: tty_term_free(struct tty_term *term)
502: {
503: u_int i;
504:
505: if (--term->references != 0)
506: return;
507:
1.20 nicm 508: LIST_REMOVE(term, entry);
1.1 nicm 509:
510: for (i = 0; i < NTTYCODE; i++) {
511: if (term->codes[i].type == TTYCODE_STRING)
1.29 nicm 512: free(term->codes[i].value.string);
1.1 nicm 513: }
1.29 nicm 514: free(term->name);
515: free(term);
1.1 nicm 516: }
517:
518: int
519: tty_term_has(struct tty_term *term, enum tty_code_code code)
520: {
521: return (term->codes[code].type != TTYCODE_NONE);
522: }
523:
524: const char *
525: tty_term_string(struct tty_term *term, enum tty_code_code code)
526: {
527: if (!tty_term_has(term, code))
528: return ("");
529: if (term->codes[code].type != TTYCODE_STRING)
530: log_fatalx("not a string: %d", code);
531: return (term->codes[code].value.string);
532: }
533:
1.3 nicm 534: /* No vtparm. Fucking curses. */
1.1 nicm 535: const char *
536: tty_term_string1(struct tty_term *term, enum tty_code_code code, int a)
537: {
538: return (tparm((char *) tty_term_string(term, code), a));
539: }
540:
541: const char *
542: tty_term_string2(struct tty_term *term, enum tty_code_code code, int a, int b)
1.23 nicm 543: {
544: return (tparm((char *) tty_term_string(term, code), a, b));
1.24 nicm 545: }
546:
547: const char *
548: tty_term_ptr1(struct tty_term *term, enum tty_code_code code, const void *a)
549: {
550: return (tparm((char *) tty_term_string(term, code), a));
1.23 nicm 551: }
552:
553: const char *
1.34 nicm 554: tty_term_ptr2(struct tty_term *term, enum tty_code_code code, const void *a,
555: const void *b)
1.1 nicm 556: {
557: return (tparm((char *) tty_term_string(term, code), a, b));
558: }
559:
560: int
561: tty_term_number(struct tty_term *term, enum tty_code_code code)
562: {
563: if (!tty_term_has(term, code))
564: return (0);
565: if (term->codes[code].type != TTYCODE_NUMBER)
566: log_fatalx("not a number: %d", code);
567: return (term->codes[code].value.number);
568: }
569:
570: int
571: tty_term_flag(struct tty_term *term, enum tty_code_code code)
572: {
573: if (!tty_term_has(term, code))
574: return (0);
575: if (term->codes[code].type != TTYCODE_FLAG)
576: log_fatalx("not a flag: %d", code);
577: return (term->codes[code].value.flag);
578: }
![[BACK]](/icons/back.gif){kind=icon}
Return to tty-term.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / tmux