Annotation of src/usr.bin/tmux/tty-term.c, Revision 1.17
1.17 ! nicm 1: /* $OpenBSD: tty-term.c,v 1.16 2009/12/03 22:50:10 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:
33: struct tty_terms tty_terms = SLIST_HEAD_INITIALIZER(tty_terms);
34:
35: 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" },
38: { TTYC_BEL, TTYCODE_STRING, "bel" },
39: { TTYC_BLINK, TTYCODE_STRING, "blink" },
40: { TTYC_BOLD, TTYCODE_STRING, "bold" },
41: { TTYC_CIVIS, TTYCODE_STRING, "civis" },
42: { TTYC_CLEAR, TTYCODE_STRING, "clear" },
43: { TTYC_CNORM, TTYCODE_STRING, "cnorm" },
44: { TTYC_COLORS, TTYCODE_NUMBER, "colors" },
45: { TTYC_CSR, TTYCODE_STRING, "csr" },
1.10 nicm 46: { TTYC_CUB, TTYCODE_STRING, "cub" },
47: { TTYC_CUB1, TTYCODE_STRING, "cub1" },
1.1 nicm 48: { TTYC_CUD, TTYCODE_STRING, "cud" },
49: { TTYC_CUD1, TTYCODE_STRING, "cud1" },
1.10 nicm 50: { TTYC_CUF, TTYCODE_STRING, "cuf" },
51: { TTYC_CUF1, TTYCODE_STRING, "cuf1" },
1.1 nicm 52: { TTYC_CUP, TTYCODE_STRING, "cup" },
1.10 nicm 53: { TTYC_CUU, TTYCODE_STRING, "cuu" },
54: { TTYC_CUU1, TTYCODE_STRING, "cuu1" },
1.1 nicm 55: { TTYC_DCH, TTYCODE_STRING, "dch" },
56: { TTYC_DCH1, TTYCODE_STRING, "dch1" },
57: { TTYC_DIM, TTYCODE_STRING, "dim" },
58: { TTYC_DL, TTYCODE_STRING, "dl" },
59: { TTYC_DL1, TTYCODE_STRING, "dl1" },
60: { TTYC_EL, TTYCODE_STRING, "el" },
61: { TTYC_EL1, TTYCODE_STRING, "el1" },
62: { TTYC_ENACS, TTYCODE_STRING, "enacs" },
1.10 nicm 63: { TTYC_HOME, TTYCODE_STRING, "home" },
64: { TTYC_HPA, TTYCODE_STRING, "hpa" },
1.1 nicm 65: { TTYC_ICH, TTYCODE_STRING, "ich" },
66: { TTYC_ICH1, TTYCODE_STRING, "ich1" },
67: { TTYC_IL, TTYCODE_STRING, "il" },
68: { TTYC_IL1, TTYCODE_STRING, "il1" },
69: { TTYC_INVIS, TTYCODE_STRING, "invis" },
70: { TTYC_IS1, TTYCODE_STRING, "is1" },
71: { TTYC_IS2, TTYCODE_STRING, "is2" },
72: { TTYC_IS3, TTYCODE_STRING, "is3" },
73: { TTYC_KCBT, TTYCODE_STRING, "kcbt" },
74: { TTYC_KCUB1, TTYCODE_STRING, "kcub1" },
75: { TTYC_KCUD1, TTYCODE_STRING, "kcud1" },
76: { TTYC_KCUF1, TTYCODE_STRING, "kcuf1" },
77: { TTYC_KCUU1, TTYCODE_STRING, "kcuu1" },
1.13 nicm 78: { TTYC_KDC2, TTYCODE_STRING, "kDC" },
79: { TTYC_KDC3, TTYCODE_STRING, "kDC3" },
80: { TTYC_KDC4, TTYCODE_STRING, "kDC4" },
81: { TTYC_KDC5, TTYCODE_STRING, "kDC5" },
82: { TTYC_KDC6, TTYCODE_STRING, "kDC6" },
83: { TTYC_KDC7, TTYCODE_STRING, "kDC7" },
1.1 nicm 84: { TTYC_KDCH1, TTYCODE_STRING, "kdch1" },
1.13 nicm 85: { TTYC_KDN2, TTYCODE_STRING, "kDN" },
86: { TTYC_KDN3, TTYCODE_STRING, "kDN3" },
87: { TTYC_KDN4, TTYCODE_STRING, "kDN4" },
88: { TTYC_KDN5, TTYCODE_STRING, "kDN5" },
89: { TTYC_KDN6, TTYCODE_STRING, "kDN6" },
90: { TTYC_KDN7, TTYCODE_STRING, "kDN7" },
1.1 nicm 91: { TTYC_KEND, TTYCODE_STRING, "kend" },
1.13 nicm 92: { TTYC_KEND2, TTYCODE_STRING, "kEND" },
93: { TTYC_KEND3, TTYCODE_STRING, "kEND3" },
94: { TTYC_KEND4, TTYCODE_STRING, "kEND4" },
95: { TTYC_KEND5, TTYCODE_STRING, "kEND5" },
96: { TTYC_KEND6, TTYCODE_STRING, "kEND6" },
97: { TTYC_KEND7, TTYCODE_STRING, "kEND7" },
1.1 nicm 98: { TTYC_KF1, TTYCODE_STRING, "kf1" },
99: { TTYC_KF10, TTYCODE_STRING, "kf10" },
100: { TTYC_KF11, TTYCODE_STRING, "kf11" },
101: { TTYC_KF12, TTYCODE_STRING, "kf12" },
102: { TTYC_KF13, TTYCODE_STRING, "kf13" },
103: { TTYC_KF14, TTYCODE_STRING, "kf14" },
104: { TTYC_KF15, TTYCODE_STRING, "kf15" },
105: { TTYC_KF16, TTYCODE_STRING, "kf16" },
106: { TTYC_KF17, TTYCODE_STRING, "kf17" },
107: { TTYC_KF18, TTYCODE_STRING, "kf18" },
108: { TTYC_KF19, TTYCODE_STRING, "kf19" },
1.10 nicm 109: { TTYC_KF2, TTYCODE_STRING, "kf2" },
1.1 nicm 110: { TTYC_KF20, TTYCODE_STRING, "kf20" },
111: { TTYC_KF3, TTYCODE_STRING, "kf3" },
112: { TTYC_KF4, TTYCODE_STRING, "kf4" },
113: { TTYC_KF5, TTYCODE_STRING, "kf5" },
114: { TTYC_KF6, TTYCODE_STRING, "kf6" },
115: { TTYC_KF7, TTYCODE_STRING, "kf7" },
116: { TTYC_KF8, TTYCODE_STRING, "kf8" },
117: { TTYC_KF9, TTYCODE_STRING, "kf9" },
1.13 nicm 118: { TTYC_KHOM2, TTYCODE_STRING, "kHOM" },
119: { TTYC_KHOM3, TTYCODE_STRING, "kHOM3" },
120: { TTYC_KHOM4, TTYCODE_STRING, "kHOM4" },
121: { TTYC_KHOM5, TTYCODE_STRING, "kHOM5" },
122: { TTYC_KHOM6, TTYCODE_STRING, "kHOM6" },
123: { TTYC_KHOM7, TTYCODE_STRING, "kHOM7" },
1.1 nicm 124: { TTYC_KHOME, TTYCODE_STRING, "khome" },
1.13 nicm 125: { TTYC_KIC2, TTYCODE_STRING, "kIC" },
126: { TTYC_KIC3, TTYCODE_STRING, "kIC3" },
127: { TTYC_KIC4, TTYCODE_STRING, "kIC4" },
128: { TTYC_KIC5, TTYCODE_STRING, "kIC5" },
129: { TTYC_KIC6, TTYCODE_STRING, "kIC6" },
130: { TTYC_KIC7, TTYCODE_STRING, "kIC7" },
1.1 nicm 131: { TTYC_KICH1, TTYCODE_STRING, "kich1" },
1.13 nicm 132: { TTYC_KLFT2, TTYCODE_STRING, "kLFT" },
133: { TTYC_KLFT3, TTYCODE_STRING, "kLFT3" },
134: { TTYC_KLFT4, TTYCODE_STRING, "kLFT4" },
135: { TTYC_KLFT5, TTYCODE_STRING, "kLFT5" },
136: { TTYC_KLFT6, TTYCODE_STRING, "kLFT6" },
137: { TTYC_KLFT7, TTYCODE_STRING, "kLFT7" },
1.1 nicm 138: { TTYC_KMOUS, TTYCODE_STRING, "kmous" },
139: { TTYC_KNP, TTYCODE_STRING, "knp" },
1.13 nicm 140: { TTYC_KNXT2, TTYCODE_STRING, "kNXT" },
141: { TTYC_KNXT3, TTYCODE_STRING, "kNXT3" },
142: { TTYC_KNXT4, TTYCODE_STRING, "kNXT4" },
143: { TTYC_KNXT5, TTYCODE_STRING, "kNXT5" },
144: { TTYC_KNXT6, TTYCODE_STRING, "kNXT6" },
145: { TTYC_KNXT7, TTYCODE_STRING, "kNXT7" },
1.1 nicm 146: { TTYC_KPP, TTYCODE_STRING, "kpp" },
1.13 nicm 147: { TTYC_KPRV2, TTYCODE_STRING, "kPRV" },
148: { TTYC_KPRV3, TTYCODE_STRING, "kPRV3" },
149: { TTYC_KPRV4, TTYCODE_STRING, "kPRV4" },
150: { TTYC_KPRV5, TTYCODE_STRING, "kPRV5" },
151: { TTYC_KPRV6, TTYCODE_STRING, "kPRV6" },
152: { TTYC_KPRV7, TTYCODE_STRING, "kPRV7" },
153: { TTYC_KRIT2, TTYCODE_STRING, "kRIT" },
154: { TTYC_KRIT3, TTYCODE_STRING, "kRIT3" },
155: { TTYC_KRIT4, TTYCODE_STRING, "kRIT4" },
156: { TTYC_KRIT5, TTYCODE_STRING, "kRIT5" },
157: { TTYC_KRIT6, TTYCODE_STRING, "kRIT6" },
158: { TTYC_KRIT7, TTYCODE_STRING, "kRIT7" },
159: { TTYC_KUP2, TTYCODE_STRING, "kUP" },
160: { TTYC_KUP3, TTYCODE_STRING, "kUP3" },
161: { TTYC_KUP4, TTYCODE_STRING, "kUP4" },
162: { TTYC_KUP5, TTYCODE_STRING, "kUP5" },
163: { TTYC_KUP6, TTYCODE_STRING, "kUP6" },
164: { TTYC_KUP7, TTYCODE_STRING, "kUP7" },
1.1 nicm 165: { TTYC_OP, TTYCODE_STRING, "op" },
166: { TTYC_REV, TTYCODE_STRING, "rev" },
167: { TTYC_RI, TTYCODE_STRING, "ri" },
168: { TTYC_RMACS, TTYCODE_STRING, "rmacs" },
169: { TTYC_RMCUP, TTYCODE_STRING, "rmcup" },
170: { TTYC_RMIR, TTYCODE_STRING, "rmir" },
171: { TTYC_RMKX, TTYCODE_STRING, "rmkx" },
172: { TTYC_SETAB, TTYCODE_STRING, "setab" },
173: { TTYC_SETAF, TTYCODE_STRING, "setaf" },
174: { TTYC_SGR0, TTYCODE_STRING, "sgr0" },
175: { TTYC_SMACS, TTYCODE_STRING, "smacs" },
176: { TTYC_SMCUP, TTYCODE_STRING, "smcup" },
177: { TTYC_SMIR, TTYCODE_STRING, "smir" },
178: { TTYC_SMKX, TTYCODE_STRING, "smkx" },
179: { TTYC_SMSO, TTYCODE_STRING, "smso" },
180: { TTYC_SMUL, TTYCODE_STRING, "smul" },
1.10 nicm 181: { TTYC_VPA, TTYCODE_STRING, "vpa" },
1.1 nicm 182: { TTYC_XENL, TTYCODE_FLAG, "xenl" },
183: };
184:
185: char *
186: tty_term_strip(const char *s)
187: {
188: const char *ptr;
189: static char buf[BUFSIZ];
190: size_t len;
191:
192: /* Ignore strings with no padding. */
193: if (strchr(s, '$') == NULL)
194: return (xstrdup(s));
195:
196: len = 0;
197: for (ptr = s; *ptr != '\0'; ptr++) {
198: if (*ptr == '$' && *(ptr + 1) == '<') {
199: while (*ptr != '\0' && *ptr != '>')
200: ptr++;
201: if (*ptr == '>')
202: ptr++;
203: }
204:
205: buf[len++] = *ptr;
206: if (len == (sizeof buf) - 1)
207: break;
208: }
209: buf[len] = '\0';
210:
211: return (xstrdup(buf));
212: }
213:
214: void
1.5 nicm 215: tty_term_override(struct tty_term *term, const char *overrides)
1.1 nicm 216: {
1.5 nicm 217: struct tty_term_code_entry *ent;
218: struct tty_code *code;
219: char *termnext, *termstr, *entnext, *entstr;
220: char *s, *ptr, *val;
221: const char *errstr;
222: u_int i;
223: int n, removeflag;
224:
225: s = xstrdup(overrides);
226:
227: termnext = s;
228: while ((termstr = strsep(&termnext, ",")) != NULL) {
229: entnext = termstr;
1.16 nicm 230:
1.5 nicm 231: entstr = strsep(&entnext, ":");
232: if (entstr == NULL || entnext == NULL)
233: continue;
234: if (fnmatch(entstr, term->name, 0) != 0)
235: continue;
236: while ((entstr = strsep(&entnext, ":")) != NULL) {
237: if (*entstr == '\0')
238: continue;
239:
240: val = NULL;
241: removeflag = 0;
1.16 nicm 242: if ((ptr = strchr(entstr, '=')) != NULL) {
1.5 nicm 243: *ptr++ = '\0';
244: val = xstrdup(ptr);
1.9 nicm 245: if (strunvis(val, ptr) == -1) {
1.5 nicm 246: xfree(val);
247: val = xstrdup(ptr);
248: }
249: } else if (entstr[strlen(entstr) - 1] == '@') {
250: entstr[strlen(entstr) - 1] = '\0';
251: removeflag = 1;
1.17 ! nicm 252: } else
! 253: continue;
1.5 nicm 254:
255: for (i = 0; i < NTTYCODE; i++) {
256: ent = &tty_term_codes[i];
257: if (strcmp(entstr, ent->name) != 0)
258: continue;
259: code = &term->codes[ent->code];
260:
261: if (removeflag) {
262: code->type = TTYCODE_NONE;
263: continue;
264: }
265: switch (ent->type) {
266: case TTYCODE_NONE:
267: break;
268: case TTYCODE_STRING:
1.6 nicm 269: if (code->type == TTYCODE_STRING)
270: xfree(code->value.string);
1.5 nicm 271: code->value.string = xstrdup(val);
272: code->type = ent->type;
273: break;
274: case TTYCODE_NUMBER:
275: n = strtonum(val, 0, INT_MAX, &errstr);
276: if (errstr != NULL)
277: break;
278: code->value.number = n;
279: code->type = ent->type;
280: break;
281: case TTYCODE_FLAG:
282: code->value.flag = 1;
283: code->type = ent->type;
284: break;
285: }
286: }
287:
288: if (val != NULL)
289: xfree(val);
1.1 nicm 290: }
291: }
292:
1.5 nicm 293: xfree(s);
1.1 nicm 294: }
295:
296: struct tty_term *
1.5 nicm 297: tty_term_find(char *name, int fd, const char *overrides, char **cause)
1.1 nicm 298: {
299: struct tty_term *term;
300: struct tty_term_code_entry *ent;
301: struct tty_code *code;
302: u_int i;
303: int n, error;
304: char *s;
305:
306: SLIST_FOREACH(term, &tty_terms, entry) {
307: if (strcmp(term->name, name) == 0) {
308: term->references++;
309: return (term);
310: }
311: }
312:
313: log_debug("new term: %s", name);
314: term = xmalloc(sizeof *term);
315: term->name = xstrdup(name);
316: term->references = 1;
317: term->flags = 0;
1.7 nicm 318: memset(&term->codes, 0, sizeof term->codes);
1.1 nicm 319: SLIST_INSERT_HEAD(&tty_terms, term, entry);
320:
1.3 nicm 321: /* Set up curses terminal. */
1.1 nicm 322: if (setupterm(name, fd, &error) != OK) {
323: switch (error) {
1.4 matthieu 324: case 1:
1.16 nicm 325: xasprintf(
326: cause, "can't use hardcopy terminal: %s", name);
1.4 matthieu 327: break;
1.1 nicm 328: case 0:
1.16 nicm 329: xasprintf(
330: cause, "missing or unsuitable terminal: %s", name);
1.1 nicm 331: break;
1.4 matthieu 332: case -1:
1.1 nicm 333: xasprintf(cause, "can't find terminfo database");
334: break;
335: default:
336: xasprintf(cause, "unknown error");
337: break;
338: }
339: goto error;
340: }
341:
342: /* Fill in codes. */
343: for (i = 0; i < NTTYCODE; i++) {
344: ent = &tty_term_codes[i];
345:
346: code = &term->codes[ent->code];
347: code->type = TTYCODE_NONE;
348: switch (ent->type) {
349: case TTYCODE_NONE:
350: break;
351: case TTYCODE_STRING:
352: s = tigetstr((char *) ent->name);
353: if (s == NULL || s == (char *) -1)
354: break;
355: code->type = TTYCODE_STRING;
356: code->value.string = tty_term_strip(s);
357: break;
358: case TTYCODE_NUMBER:
359: n = tigetnum((char *) ent->name);
360: if (n == -1 || n == -2)
361: break;
362: code->type = TTYCODE_NUMBER;
363: code->value.number = n;
364: break;
365: case TTYCODE_FLAG:
366: n = tigetflag((char *) ent->name);
367: if (n == -1)
368: break;
369: code->type = TTYCODE_FLAG;
370: code->value.number = n;
371: break;
372: }
373: }
1.5 nicm 374: tty_term_override(term, overrides);
1.1 nicm 375:
1.3 nicm 376: /* Delete curses data. */
1.1 nicm 377: del_curterm(cur_term);
378:
379: /* These are always required. */
380: if (!tty_term_has(term, TTYC_CLEAR)) {
381: xasprintf(cause, "terminal does not support clear");
382: goto error;
383: }
384: if (!tty_term_has(term, TTYC_CUP)) {
385: xasprintf(cause, "terminal does not support cup");
386: goto error;
387: }
388:
389: /* These can be emulated so one of the two is required. */
390: if (!tty_term_has(term, TTYC_CUD1) && !tty_term_has(term, TTYC_CUD)) {
391: xasprintf(cause, "terminal does not support cud1 or cud");
392: goto error;
393: }
394:
1.11 nicm 395: /* Figure out if we have 256 or 88 colours. */
1.1 nicm 396: if (tty_term_number(term, TTYC_COLORS) == 256)
397: term->flags |= TERM_256COLOURS;
398: if (tty_term_number(term, TTYC_COLORS) == 88)
399: term->flags |= TERM_88COLOURS;
400:
401: /*
402: * Terminals without xenl (eat newline glitch) wrap at at $COLUMNS - 1
403: * rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
404: *
405: * This is irritating, most notably because it is impossible to write
406: * to the very bottom-right of the screen without scrolling.
407: *
408: * Flag the terminal here and apply some workarounds in other places to
409: * do the best possible.
410: */
411: if (!tty_term_flag(term, TTYC_XENL))
412: term->flags |= TERM_EARLYWRAP;
413:
414: return (term);
415:
416: error:
417: tty_term_free(term);
418: return (NULL);
419: }
420:
421: void
422: tty_term_free(struct tty_term *term)
423: {
424: u_int i;
425:
426: if (--term->references != 0)
427: return;
428:
429: SLIST_REMOVE(&tty_terms, term, tty_term, entry);
430:
431: for (i = 0; i < NTTYCODE; i++) {
432: if (term->codes[i].type == TTYCODE_STRING)
433: xfree(term->codes[i].value.string);
434: }
435: xfree(term->name);
436: xfree(term);
437: }
438:
439: int
440: tty_term_has(struct tty_term *term, enum tty_code_code code)
441: {
442: return (term->codes[code].type != TTYCODE_NONE);
443: }
444:
445: const char *
446: tty_term_string(struct tty_term *term, enum tty_code_code code)
447: {
448: if (!tty_term_has(term, code))
449: return ("");
450: if (term->codes[code].type != TTYCODE_STRING)
451: log_fatalx("not a string: %d", code);
452: return (term->codes[code].value.string);
453: }
454:
1.3 nicm 455: /* No vtparm. Fucking curses. */
1.1 nicm 456: const char *
457: tty_term_string1(struct tty_term *term, enum tty_code_code code, int a)
458: {
459: return (tparm((char *) tty_term_string(term, code), a));
460: }
461:
462: const char *
463: tty_term_string2(struct tty_term *term, enum tty_code_code code, int a, int b)
464: {
465: return (tparm((char *) tty_term_string(term, code), a, b));
466: }
467:
468: int
469: tty_term_number(struct tty_term *term, enum tty_code_code code)
470: {
471: if (!tty_term_has(term, code))
472: return (0);
473: if (term->codes[code].type != TTYCODE_NUMBER)
474: log_fatalx("not a number: %d", code);
475: return (term->codes[code].value.number);
476: }
477:
478: int
479: tty_term_flag(struct tty_term *term, enum tty_code_code code)
480: {
481: if (!tty_term_has(term, code))
482: return (0);
483: if (term->codes[code].type != TTYCODE_FLAG)
484: log_fatalx("not a flag: %d", code);
485: return (term->codes[code].value.flag);
486: }
![[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