Annotation of src/usr.bin/tmux/tty-term.c, Revision 1.35
1.35 ! nicm 1: /* $OpenBSD: tty-term.c,v 1.34 2014/04/17 12:57:28 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" },
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" },
1.24 nicm 45: { TTYC_CR, TTYCODE_STRING, "Cr" },
1.32 nicm 46: { TTYC_CS, TTYCODE_STRING, "Cs" },
1.1 nicm 47: { TTYC_CSR, TTYCODE_STRING, "csr" },
1.10 nicm 48: { TTYC_CUB, TTYCODE_STRING, "cub" },
49: { TTYC_CUB1, TTYCODE_STRING, "cub1" },
1.1 nicm 50: { TTYC_CUD, TTYCODE_STRING, "cud" },
51: { TTYC_CUD1, TTYCODE_STRING, "cud1" },
1.10 nicm 52: { TTYC_CUF, TTYCODE_STRING, "cuf" },
53: { TTYC_CUF1, TTYCODE_STRING, "cuf1" },
1.1 nicm 54: { TTYC_CUP, TTYCODE_STRING, "cup" },
1.10 nicm 55: { TTYC_CUU, TTYCODE_STRING, "cuu" },
56: { TTYC_CUU1, TTYCODE_STRING, "cuu1" },
1.1 nicm 57: { TTYC_DCH, TTYCODE_STRING, "dch" },
58: { TTYC_DCH1, TTYCODE_STRING, "dch1" },
59: { TTYC_DIM, TTYCODE_STRING, "dim" },
60: { TTYC_DL, TTYCODE_STRING, "dl" },
61: { TTYC_DL1, TTYCODE_STRING, "dl1" },
1.26 nicm 62: { TTYC_E3, TTYCODE_STRING, "E3" },
1.30 nicm 63: { TTYC_ECH, TTYCODE_STRING, "ech" },
1.1 nicm 64: { TTYC_EL, TTYCODE_STRING, "el" },
65: { TTYC_EL1, TTYCODE_STRING, "el1" },
66: { TTYC_ENACS, TTYCODE_STRING, "enacs" },
1.22 nicm 67: { TTYC_FSL, TTYCODE_STRING, "fsl" },
1.10 nicm 68: { TTYC_HOME, TTYCODE_STRING, "home" },
69: { TTYC_HPA, TTYCODE_STRING, "hpa" },
1.1 nicm 70: { TTYC_ICH, TTYCODE_STRING, "ich" },
71: { TTYC_ICH1, TTYCODE_STRING, "ich1" },
72: { TTYC_IL, TTYCODE_STRING, "il" },
73: { TTYC_IL1, TTYCODE_STRING, "il1" },
74: { TTYC_INVIS, TTYCODE_STRING, "invis" },
75: { TTYC_IS1, TTYCODE_STRING, "is1" },
76: { TTYC_IS2, TTYCODE_STRING, "is2" },
77: { TTYC_IS3, TTYCODE_STRING, "is3" },
78: { TTYC_KCBT, TTYCODE_STRING, "kcbt" },
79: { TTYC_KCUB1, TTYCODE_STRING, "kcub1" },
80: { TTYC_KCUD1, TTYCODE_STRING, "kcud1" },
81: { TTYC_KCUF1, TTYCODE_STRING, "kcuf1" },
82: { TTYC_KCUU1, TTYCODE_STRING, "kcuu1" },
1.13 nicm 83: { TTYC_KDC2, TTYCODE_STRING, "kDC" },
84: { TTYC_KDC3, TTYCODE_STRING, "kDC3" },
85: { TTYC_KDC4, TTYCODE_STRING, "kDC4" },
86: { TTYC_KDC5, TTYCODE_STRING, "kDC5" },
87: { TTYC_KDC6, TTYCODE_STRING, "kDC6" },
88: { TTYC_KDC7, TTYCODE_STRING, "kDC7" },
1.1 nicm 89: { TTYC_KDCH1, TTYCODE_STRING, "kdch1" },
1.13 nicm 90: { TTYC_KDN2, TTYCODE_STRING, "kDN" },
91: { TTYC_KDN3, TTYCODE_STRING, "kDN3" },
92: { TTYC_KDN4, TTYCODE_STRING, "kDN4" },
93: { TTYC_KDN5, TTYCODE_STRING, "kDN5" },
94: { TTYC_KDN6, TTYCODE_STRING, "kDN6" },
95: { TTYC_KDN7, TTYCODE_STRING, "kDN7" },
1.1 nicm 96: { TTYC_KEND, TTYCODE_STRING, "kend" },
1.13 nicm 97: { TTYC_KEND2, TTYCODE_STRING, "kEND" },
98: { TTYC_KEND3, TTYCODE_STRING, "kEND3" },
99: { TTYC_KEND4, TTYCODE_STRING, "kEND4" },
100: { TTYC_KEND5, TTYCODE_STRING, "kEND5" },
101: { TTYC_KEND6, TTYCODE_STRING, "kEND6" },
102: { TTYC_KEND7, TTYCODE_STRING, "kEND7" },
1.1 nicm 103: { TTYC_KF1, TTYCODE_STRING, "kf1" },
104: { TTYC_KF10, TTYCODE_STRING, "kf10" },
105: { TTYC_KF11, TTYCODE_STRING, "kf11" },
106: { TTYC_KF12, TTYCODE_STRING, "kf12" },
107: { TTYC_KF13, TTYCODE_STRING, "kf13" },
108: { TTYC_KF14, TTYCODE_STRING, "kf14" },
109: { TTYC_KF15, TTYCODE_STRING, "kf15" },
110: { TTYC_KF16, TTYCODE_STRING, "kf16" },
111: { TTYC_KF17, TTYCODE_STRING, "kf17" },
112: { TTYC_KF18, TTYCODE_STRING, "kf18" },
113: { TTYC_KF19, TTYCODE_STRING, "kf19" },
1.10 nicm 114: { TTYC_KF2, TTYCODE_STRING, "kf2" },
1.1 nicm 115: { TTYC_KF20, TTYCODE_STRING, "kf20" },
1.35 ! nicm 116: { TTYC_KF21, TTYCODE_STRING, "kf21" },
! 117: { TTYC_KF22, TTYCODE_STRING, "kf22" },
! 118: { TTYC_KF23, TTYCODE_STRING, "kf23" },
! 119: { TTYC_KF24, TTYCODE_STRING, "kf24" },
! 120: { TTYC_KF25, TTYCODE_STRING, "kf25" },
! 121: { TTYC_KF26, TTYCODE_STRING, "kf26" },
! 122: { TTYC_KF27, TTYCODE_STRING, "kf27" },
! 123: { TTYC_KF28, TTYCODE_STRING, "kf28" },
! 124: { TTYC_KF29, TTYCODE_STRING, "kf29" },
1.1 nicm 125: { TTYC_KF3, TTYCODE_STRING, "kf3" },
1.35 ! nicm 126: { TTYC_KF30, TTYCODE_STRING, "kf30" },
! 127: { TTYC_KF31, TTYCODE_STRING, "kf31" },
! 128: { TTYC_KF32, TTYCODE_STRING, "kf32" },
! 129: { TTYC_KF33, TTYCODE_STRING, "kf33" },
! 130: { TTYC_KF34, TTYCODE_STRING, "kf34" },
! 131: { TTYC_KF35, TTYCODE_STRING, "kf35" },
! 132: { TTYC_KF36, TTYCODE_STRING, "kf36" },
! 133: { TTYC_KF37, TTYCODE_STRING, "kf37" },
! 134: { TTYC_KF38, TTYCODE_STRING, "kf38" },
! 135: { TTYC_KF39, TTYCODE_STRING, "kf39" },
1.1 nicm 136: { TTYC_KF4, TTYCODE_STRING, "kf4" },
1.35 ! nicm 137: { TTYC_KF40, TTYCODE_STRING, "kf40" },
! 138: { TTYC_KF41, TTYCODE_STRING, "kf41" },
! 139: { TTYC_KF42, TTYCODE_STRING, "kf42" },
! 140: { TTYC_KF43, TTYCODE_STRING, "kf43" },
! 141: { TTYC_KF44, TTYCODE_STRING, "kf44" },
! 142: { TTYC_KF45, TTYCODE_STRING, "kf45" },
! 143: { TTYC_KF46, TTYCODE_STRING, "kf46" },
! 144: { TTYC_KF47, TTYCODE_STRING, "kf47" },
! 145: { TTYC_KF48, TTYCODE_STRING, "kf48" },
! 146: { TTYC_KF49, TTYCODE_STRING, "kf49" },
1.1 nicm 147: { TTYC_KF5, TTYCODE_STRING, "kf5" },
1.35 ! nicm 148: { TTYC_KF50, TTYCODE_STRING, "kf50" },
! 149: { TTYC_KF51, TTYCODE_STRING, "kf51" },
! 150: { TTYC_KF52, TTYCODE_STRING, "kf52" },
! 151: { TTYC_KF53, TTYCODE_STRING, "kf53" },
! 152: { TTYC_KF54, TTYCODE_STRING, "kf54" },
! 153: { TTYC_KF55, TTYCODE_STRING, "kf55" },
! 154: { TTYC_KF56, TTYCODE_STRING, "kf56" },
! 155: { TTYC_KF57, TTYCODE_STRING, "kf57" },
! 156: { TTYC_KF58, TTYCODE_STRING, "kf58" },
! 157: { TTYC_KF59, TTYCODE_STRING, "kf59" },
1.1 nicm 158: { TTYC_KF6, TTYCODE_STRING, "kf6" },
1.35 ! nicm 159: { TTYC_KF60, TTYCODE_STRING, "kf60" },
! 160: { TTYC_KF61, TTYCODE_STRING, "kf61" },
! 161: { TTYC_KF62, TTYCODE_STRING, "kf62" },
! 162: { TTYC_KF63, TTYCODE_STRING, "kf63" },
1.1 nicm 163: { TTYC_KF7, TTYCODE_STRING, "kf7" },
164: { TTYC_KF8, TTYCODE_STRING, "kf8" },
165: { TTYC_KF9, TTYCODE_STRING, "kf9" },
1.13 nicm 166: { TTYC_KHOM2, TTYCODE_STRING, "kHOM" },
167: { TTYC_KHOM3, TTYCODE_STRING, "kHOM3" },
168: { TTYC_KHOM4, TTYCODE_STRING, "kHOM4" },
169: { TTYC_KHOM5, TTYCODE_STRING, "kHOM5" },
170: { TTYC_KHOM6, TTYCODE_STRING, "kHOM6" },
171: { TTYC_KHOM7, TTYCODE_STRING, "kHOM7" },
1.1 nicm 172: { TTYC_KHOME, TTYCODE_STRING, "khome" },
1.13 nicm 173: { TTYC_KIC2, TTYCODE_STRING, "kIC" },
174: { TTYC_KIC3, TTYCODE_STRING, "kIC3" },
175: { TTYC_KIC4, TTYCODE_STRING, "kIC4" },
176: { TTYC_KIC5, TTYCODE_STRING, "kIC5" },
177: { TTYC_KIC6, TTYCODE_STRING, "kIC6" },
178: { TTYC_KIC7, TTYCODE_STRING, "kIC7" },
1.1 nicm 179: { TTYC_KICH1, TTYCODE_STRING, "kich1" },
1.13 nicm 180: { TTYC_KLFT2, TTYCODE_STRING, "kLFT" },
181: { TTYC_KLFT3, TTYCODE_STRING, "kLFT3" },
182: { TTYC_KLFT4, TTYCODE_STRING, "kLFT4" },
183: { TTYC_KLFT5, TTYCODE_STRING, "kLFT5" },
184: { TTYC_KLFT6, TTYCODE_STRING, "kLFT6" },
185: { TTYC_KLFT7, TTYCODE_STRING, "kLFT7" },
1.1 nicm 186: { TTYC_KMOUS, TTYCODE_STRING, "kmous" },
187: { TTYC_KNP, TTYCODE_STRING, "knp" },
1.13 nicm 188: { TTYC_KNXT2, TTYCODE_STRING, "kNXT" },
189: { TTYC_KNXT3, TTYCODE_STRING, "kNXT3" },
190: { TTYC_KNXT4, TTYCODE_STRING, "kNXT4" },
191: { TTYC_KNXT5, TTYCODE_STRING, "kNXT5" },
192: { TTYC_KNXT6, TTYCODE_STRING, "kNXT6" },
193: { TTYC_KNXT7, TTYCODE_STRING, "kNXT7" },
1.1 nicm 194: { TTYC_KPP, TTYCODE_STRING, "kpp" },
1.13 nicm 195: { TTYC_KPRV2, TTYCODE_STRING, "kPRV" },
196: { TTYC_KPRV3, TTYCODE_STRING, "kPRV3" },
197: { TTYC_KPRV4, TTYCODE_STRING, "kPRV4" },
198: { TTYC_KPRV5, TTYCODE_STRING, "kPRV5" },
199: { TTYC_KPRV6, TTYCODE_STRING, "kPRV6" },
200: { TTYC_KPRV7, TTYCODE_STRING, "kPRV7" },
201: { TTYC_KRIT2, TTYCODE_STRING, "kRIT" },
202: { TTYC_KRIT3, TTYCODE_STRING, "kRIT3" },
203: { TTYC_KRIT4, TTYCODE_STRING, "kRIT4" },
204: { TTYC_KRIT5, TTYCODE_STRING, "kRIT5" },
205: { TTYC_KRIT6, TTYCODE_STRING, "kRIT6" },
206: { TTYC_KRIT7, TTYCODE_STRING, "kRIT7" },
207: { TTYC_KUP2, TTYCODE_STRING, "kUP" },
208: { TTYC_KUP3, TTYCODE_STRING, "kUP3" },
209: { TTYC_KUP4, TTYCODE_STRING, "kUP4" },
210: { TTYC_KUP5, TTYCODE_STRING, "kUP5" },
211: { TTYC_KUP6, TTYCODE_STRING, "kUP6" },
212: { TTYC_KUP7, TTYCODE_STRING, "kUP7" },
1.23 nicm 213: { TTYC_MS, TTYCODE_STRING, "Ms" },
1.1 nicm 214: { TTYC_OP, TTYCODE_STRING, "op" },
215: { TTYC_REV, TTYCODE_STRING, "rev" },
216: { TTYC_RI, TTYCODE_STRING, "ri" },
217: { TTYC_RMACS, TTYCODE_STRING, "rmacs" },
218: { TTYC_RMCUP, TTYCODE_STRING, "rmcup" },
219: { TTYC_RMKX, TTYCODE_STRING, "rmkx" },
1.32 nicm 220: { TTYC_SE, TTYCODE_STRING, "Se" },
1.1 nicm 221: { TTYC_SETAB, TTYCODE_STRING, "setab" },
222: { TTYC_SETAF, TTYCODE_STRING, "setaf" },
223: { TTYC_SGR0, TTYCODE_STRING, "sgr0" },
1.22 nicm 224: { TTYC_SITM, TTYCODE_STRING, "sitm" },
1.1 nicm 225: { TTYC_SMACS, TTYCODE_STRING, "smacs" },
226: { TTYC_SMCUP, TTYCODE_STRING, "smcup" },
227: { TTYC_SMKX, TTYCODE_STRING, "smkx" },
228: { TTYC_SMSO, TTYCODE_STRING, "smso" },
229: { TTYC_SMUL, TTYCODE_STRING, "smul" },
1.32 nicm 230: { TTYC_SS, TTYCODE_STRING, "Ss" },
1.22 nicm 231: { TTYC_TSL, TTYCODE_STRING, "tsl" },
1.10 nicm 232: { TTYC_VPA, TTYCODE_STRING, "vpa" },
1.1 nicm 233: { TTYC_XENL, TTYCODE_FLAG, "xenl" },
1.22 nicm 234: { TTYC_XT, TTYCODE_FLAG, "XT" },
1.1 nicm 235: };
236:
237: char *
238: tty_term_strip(const char *s)
239: {
240: const char *ptr;
241: static char buf[BUFSIZ];
242: size_t len;
243:
244: /* Ignore strings with no padding. */
245: if (strchr(s, '$') == NULL)
246: return (xstrdup(s));
247:
248: len = 0;
249: for (ptr = s; *ptr != '\0'; ptr++) {
250: if (*ptr == '$' && *(ptr + 1) == '<') {
251: while (*ptr != '\0' && *ptr != '>')
252: ptr++;
253: if (*ptr == '>')
254: ptr++;
255: }
256:
257: buf[len++] = *ptr;
258: if (len == (sizeof buf) - 1)
259: break;
260: }
261: buf[len] = '\0';
262:
263: return (xstrdup(buf));
264: }
265:
266: void
1.5 nicm 267: tty_term_override(struct tty_term *term, const char *overrides)
1.1 nicm 268: {
1.19 nicm 269: const struct tty_term_code_entry *ent;
270: struct tty_code *code;
271: char *termnext, *termstr;
272: char *entnext, *entstr;
273: char *s, *ptr, *val;
274: const char *errstr;
275: u_int i;
276: int n, removeflag;
1.5 nicm 277:
278: s = xstrdup(overrides);
279:
280: termnext = s;
281: while ((termstr = strsep(&termnext, ",")) != NULL) {
282: entnext = termstr;
1.16 nicm 283:
1.5 nicm 284: entstr = strsep(&entnext, ":");
285: if (entstr == NULL || entnext == NULL)
286: continue;
287: if (fnmatch(entstr, term->name, 0) != 0)
288: continue;
289: while ((entstr = strsep(&entnext, ":")) != NULL) {
290: if (*entstr == '\0')
291: continue;
292:
293: val = NULL;
294: removeflag = 0;
1.16 nicm 295: if ((ptr = strchr(entstr, '=')) != NULL) {
1.5 nicm 296: *ptr++ = '\0';
297: val = xstrdup(ptr);
1.9 nicm 298: if (strunvis(val, ptr) == -1) {
1.29 nicm 299: free(val);
1.5 nicm 300: val = xstrdup(ptr);
301: }
302: } else if (entstr[strlen(entstr) - 1] == '@') {
303: entstr[strlen(entstr) - 1] = '\0';
304: removeflag = 1;
1.17 nicm 305: } else
1.22 nicm 306: val = xstrdup("");
1.5 nicm 307:
1.27 nicm 308: log_debug("%s override: %s %s",
309: term->name, entstr, removeflag ? "@" : val);
1.5 nicm 310: for (i = 0; i < NTTYCODE; i++) {
311: ent = &tty_term_codes[i];
312: if (strcmp(entstr, ent->name) != 0)
313: continue;
314: code = &term->codes[ent->code];
315:
316: if (removeflag) {
317: code->type = TTYCODE_NONE;
318: continue;
319: }
320: switch (ent->type) {
321: case TTYCODE_NONE:
322: break;
323: case TTYCODE_STRING:
1.6 nicm 324: if (code->type == TTYCODE_STRING)
1.29 nicm 325: free(code->value.string);
1.5 nicm 326: code->value.string = xstrdup(val);
327: code->type = ent->type;
328: break;
329: case TTYCODE_NUMBER:
330: n = strtonum(val, 0, INT_MAX, &errstr);
331: if (errstr != NULL)
332: break;
333: code->value.number = n;
334: code->type = ent->type;
335: break;
336: case TTYCODE_FLAG:
337: code->value.flag = 1;
338: code->type = ent->type;
339: break;
340: }
341: }
342:
1.29 nicm 343: free(val);
1.1 nicm 344: }
345: }
346:
1.29 nicm 347: free(s);
1.1 nicm 348: }
349:
350: struct tty_term *
1.33 nicm 351: tty_term_find(char *name, int fd, char **cause)
1.1 nicm 352: {
1.19 nicm 353: struct tty_term *term;
354: const struct tty_term_code_entry *ent;
355: struct tty_code *code;
356: u_int i;
357: int n, error;
358: char *s;
359: const char *acs;
1.1 nicm 360:
1.20 nicm 361: LIST_FOREACH(term, &tty_terms, entry) {
1.1 nicm 362: if (strcmp(term->name, name) == 0) {
363: term->references++;
364: return (term);
365: }
366: }
367:
368: log_debug("new term: %s", name);
369: term = xmalloc(sizeof *term);
370: term->name = xstrdup(name);
371: term->references = 1;
372: term->flags = 0;
1.18 nicm 373: memset(term->codes, 0, sizeof term->codes);
1.20 nicm 374: LIST_INSERT_HEAD(&tty_terms, term, entry);
1.1 nicm 375:
1.3 nicm 376: /* Set up curses terminal. */
1.1 nicm 377: if (setupterm(name, fd, &error) != OK) {
378: switch (error) {
1.4 matthieu 379: case 1:
1.16 nicm 380: xasprintf(
381: cause, "can't use hardcopy terminal: %s", name);
1.4 matthieu 382: break;
1.1 nicm 383: case 0:
1.16 nicm 384: xasprintf(
385: cause, "missing or unsuitable terminal: %s", name);
1.1 nicm 386: break;
1.4 matthieu 387: case -1:
1.1 nicm 388: xasprintf(cause, "can't find terminfo database");
389: break;
390: default:
391: xasprintf(cause, "unknown error");
392: break;
393: }
394: goto error;
395: }
396:
397: /* Fill in codes. */
398: for (i = 0; i < NTTYCODE; i++) {
399: ent = &tty_term_codes[i];
400:
401: code = &term->codes[ent->code];
402: code->type = TTYCODE_NONE;
403: switch (ent->type) {
404: case TTYCODE_NONE:
405: break;
406: case TTYCODE_STRING:
407: s = tigetstr((char *) ent->name);
408: if (s == NULL || s == (char *) -1)
409: break;
410: code->type = TTYCODE_STRING;
411: code->value.string = tty_term_strip(s);
412: break;
413: case TTYCODE_NUMBER:
414: n = tigetnum((char *) ent->name);
415: if (n == -1 || n == -2)
416: break;
417: code->type = TTYCODE_NUMBER;
418: code->value.number = n;
419: break;
420: case TTYCODE_FLAG:
421: n = tigetflag((char *) ent->name);
422: if (n == -1)
423: break;
424: code->type = TTYCODE_FLAG;
425: code->value.number = n;
426: break;
427: }
428: }
1.33 nicm 429:
430: /* Apply terminal overrides. */
431: s = options_get_string(&global_options, "terminal-overrides");
432: tty_term_override(term, s);
1.1 nicm 433:
1.3 nicm 434: /* Delete curses data. */
1.1 nicm 435: del_curterm(cur_term);
436:
437: /* These are always required. */
438: if (!tty_term_has(term, TTYC_CLEAR)) {
439: xasprintf(cause, "terminal does not support clear");
440: goto error;
441: }
442: if (!tty_term_has(term, TTYC_CUP)) {
443: xasprintf(cause, "terminal does not support cup");
444: goto error;
445: }
446:
447: /* These can be emulated so one of the two is required. */
448: if (!tty_term_has(term, TTYC_CUD1) && !tty_term_has(term, TTYC_CUD)) {
449: xasprintf(cause, "terminal does not support cud1 or cud");
450: goto error;
451: }
452:
1.31 nicm 453: /* Figure out if we have 256. */
1.1 nicm 454: if (tty_term_number(term, TTYC_COLORS) == 256)
455: term->flags |= TERM_256COLOURS;
456:
457: /*
458: * Terminals without xenl (eat newline glitch) wrap at at $COLUMNS - 1
459: * rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
460: *
461: * This is irritating, most notably because it is impossible to write
462: * to the very bottom-right of the screen without scrolling.
463: *
464: * Flag the terminal here and apply some workarounds in other places to
465: * do the best possible.
466: */
467: if (!tty_term_flag(term, TTYC_XENL))
468: term->flags |= TERM_EARLYWRAP;
1.18 nicm 469:
470: /* Generate ACS table. If none is present, use nearest ASCII. */
471: memset(term->acs, 0, sizeof term->acs);
472: if (tty_term_has(term, TTYC_ACSC))
473: acs = tty_term_string(term, TTYC_ACSC);
474: else
475: acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~.";
476: for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2)
477: term->acs[(u_char) acs[0]][0] = acs[1];
1.22 nicm 478:
479: /* On terminals with xterm titles (XT), fill in tsl and fsl. */
480: if (tty_term_flag(term, TTYC_XT) &&
481: !tty_term_has(term, TTYC_TSL) &&
482: !tty_term_has(term, TTYC_FSL)) {
483: code = &term->codes[TTYC_TSL];
484: code->value.string = xstrdup("\033]0;");
485: code->type = TTYCODE_STRING;
486: code = &term->codes[TTYC_FSL];
487: code->value.string = xstrdup("\007");
488: code->type = TTYCODE_STRING;
489: }
1.1 nicm 490:
491: return (term);
492:
493: error:
494: tty_term_free(term);
495: return (NULL);
496: }
497:
498: void
499: tty_term_free(struct tty_term *term)
500: {
501: u_int i;
502:
503: if (--term->references != 0)
504: return;
505:
1.20 nicm 506: LIST_REMOVE(term, entry);
1.1 nicm 507:
508: for (i = 0; i < NTTYCODE; i++) {
509: if (term->codes[i].type == TTYCODE_STRING)
1.29 nicm 510: free(term->codes[i].value.string);
1.1 nicm 511: }
1.29 nicm 512: free(term->name);
513: free(term);
1.1 nicm 514: }
515:
516: int
517: tty_term_has(struct tty_term *term, enum tty_code_code code)
518: {
519: return (term->codes[code].type != TTYCODE_NONE);
520: }
521:
522: const char *
523: tty_term_string(struct tty_term *term, enum tty_code_code code)
524: {
525: if (!tty_term_has(term, code))
526: return ("");
527: if (term->codes[code].type != TTYCODE_STRING)
528: log_fatalx("not a string: %d", code);
529: return (term->codes[code].value.string);
530: }
531:
1.3 nicm 532: /* No vtparm. Fucking curses. */
1.1 nicm 533: const char *
534: tty_term_string1(struct tty_term *term, enum tty_code_code code, int a)
535: {
536: return (tparm((char *) tty_term_string(term, code), a));
537: }
538:
539: const char *
540: tty_term_string2(struct tty_term *term, enum tty_code_code code, int a, int b)
1.23 nicm 541: {
542: return (tparm((char *) tty_term_string(term, code), a, b));
1.24 nicm 543: }
544:
545: const char *
546: tty_term_ptr1(struct tty_term *term, enum tty_code_code code, const void *a)
547: {
548: return (tparm((char *) tty_term_string(term, code), a));
1.23 nicm 549: }
550:
551: const char *
1.34 nicm 552: tty_term_ptr2(struct tty_term *term, enum tty_code_code code, const void *a,
553: const void *b)
1.1 nicm 554: {
555: return (tparm((char *) tty_term_string(term, code), a, b));
556: }
557:
558: int
559: tty_term_number(struct tty_term *term, enum tty_code_code code)
560: {
561: if (!tty_term_has(term, code))
562: return (0);
563: if (term->codes[code].type != TTYCODE_NUMBER)
564: log_fatalx("not a number: %d", code);
565: return (term->codes[code].value.number);
566: }
567:
568: int
569: tty_term_flag(struct tty_term *term, enum tty_code_code code)
570: {
571: if (!tty_term_has(term, code))
572: return (0);
573: if (term->codes[code].type != TTYCODE_FLAG)
574: log_fatalx("not a flag: %d", code);
575: return (term->codes[code].value.flag);
576: }
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