Annotation of src/usr.bin/tmux/tty-term.c, Revision 1.42
1.42 ! nicm 1: /* $OpenBSD: tty-term.c,v 1.41 2015/10/27 15:58:43 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:
1.38 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:
56: const struct tty_term_code_entry tty_term_codes[] = {
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" },
68: [TTYC_CS] = { TTYCODE_STRING, "Cs" },
69: [TTYC_CSR] = { TTYCODE_STRING, "csr" },
70: [TTYC_CUB] = { TTYCODE_STRING, "cub" },
71: [TTYC_CUB1] = { TTYCODE_STRING, "cub1" },
72: [TTYC_CUD] = { TTYCODE_STRING, "cud" },
73: [TTYC_CUD1] = { TTYCODE_STRING, "cud1" },
74: [TTYC_CUF] = { TTYCODE_STRING, "cuf" },
75: [TTYC_CUF1] = { TTYCODE_STRING, "cuf1" },
76: [TTYC_CUP] = { TTYCODE_STRING, "cup" },
77: [TTYC_CUU] = { TTYCODE_STRING, "cuu" },
78: [TTYC_CUU1] = { TTYCODE_STRING, "cuu1" },
79: [TTYC_CVVIS] = { TTYCODE_STRING, "cvvis" },
80: [TTYC_DCH] = { TTYCODE_STRING, "dch" },
81: [TTYC_DCH1] = { TTYCODE_STRING, "dch1" },
82: [TTYC_DIM] = { TTYCODE_STRING, "dim" },
83: [TTYC_DL] = { TTYCODE_STRING, "dl" },
84: [TTYC_DL1] = { TTYCODE_STRING, "dl1" },
85: [TTYC_E3] = { TTYCODE_STRING, "E3" },
86: [TTYC_ECH] = { TTYCODE_STRING, "ech" },
87: [TTYC_EL] = { TTYCODE_STRING, "el" },
88: [TTYC_EL1] = { TTYCODE_STRING, "el1" },
89: [TTYC_ENACS] = { TTYCODE_STRING, "enacs" },
90: [TTYC_FSL] = { TTYCODE_STRING, "fsl" },
91: [TTYC_HOME] = { TTYCODE_STRING, "home" },
92: [TTYC_HPA] = { TTYCODE_STRING, "hpa" },
93: [TTYC_ICH] = { TTYCODE_STRING, "ich" },
94: [TTYC_ICH1] = { TTYCODE_STRING, "ich1" },
95: [TTYC_IL] = { TTYCODE_STRING, "il" },
96: [TTYC_IL1] = { TTYCODE_STRING, "il1" },
97: [TTYC_INVIS] = { TTYCODE_STRING, "invis" },
98: [TTYC_IS1] = { TTYCODE_STRING, "is1" },
99: [TTYC_IS2] = { TTYCODE_STRING, "is2" },
100: [TTYC_IS3] = { TTYCODE_STRING, "is3" },
101: [TTYC_KCBT] = { TTYCODE_STRING, "kcbt" },
102: [TTYC_KCUB1] = { TTYCODE_STRING, "kcub1" },
103: [TTYC_KCUD1] = { TTYCODE_STRING, "kcud1" },
104: [TTYC_KCUF1] = { TTYCODE_STRING, "kcuf1" },
105: [TTYC_KCUU1] = { TTYCODE_STRING, "kcuu1" },
106: [TTYC_KDC2] = { TTYCODE_STRING, "kDC" },
107: [TTYC_KDC3] = { TTYCODE_STRING, "kDC3" },
108: [TTYC_KDC4] = { TTYCODE_STRING, "kDC4" },
109: [TTYC_KDC5] = { TTYCODE_STRING, "kDC5" },
110: [TTYC_KDC6] = { TTYCODE_STRING, "kDC6" },
111: [TTYC_KDC7] = { TTYCODE_STRING, "kDC7" },
112: [TTYC_KDCH1] = { TTYCODE_STRING, "kdch1" },
113: [TTYC_KDN2] = { TTYCODE_STRING, "kDN" },
114: [TTYC_KDN3] = { TTYCODE_STRING, "kDN3" },
115: [TTYC_KDN4] = { TTYCODE_STRING, "kDN4" },
116: [TTYC_KDN5] = { TTYCODE_STRING, "kDN5" },
117: [TTYC_KDN6] = { TTYCODE_STRING, "kDN6" },
118: [TTYC_KDN7] = { TTYCODE_STRING, "kDN7" },
119: [TTYC_KEND] = { TTYCODE_STRING, "kend" },
120: [TTYC_KEND2] = { TTYCODE_STRING, "kEND" },
121: [TTYC_KEND3] = { TTYCODE_STRING, "kEND3" },
122: [TTYC_KEND4] = { TTYCODE_STRING, "kEND4" },
123: [TTYC_KEND5] = { TTYCODE_STRING, "kEND5" },
124: [TTYC_KEND6] = { TTYCODE_STRING, "kEND6" },
125: [TTYC_KEND7] = { TTYCODE_STRING, "kEND7" },
126: [TTYC_KF1] = { TTYCODE_STRING, "kf1" },
127: [TTYC_KF10] = { TTYCODE_STRING, "kf10" },
128: [TTYC_KF11] = { TTYCODE_STRING, "kf11" },
129: [TTYC_KF12] = { TTYCODE_STRING, "kf12" },
130: [TTYC_KF13] = { TTYCODE_STRING, "kf13" },
131: [TTYC_KF14] = { TTYCODE_STRING, "kf14" },
132: [TTYC_KF15] = { TTYCODE_STRING, "kf15" },
133: [TTYC_KF16] = { TTYCODE_STRING, "kf16" },
134: [TTYC_KF17] = { TTYCODE_STRING, "kf17" },
135: [TTYC_KF18] = { TTYCODE_STRING, "kf18" },
136: [TTYC_KF19] = { TTYCODE_STRING, "kf19" },
137: [TTYC_KF2] = { TTYCODE_STRING, "kf2" },
138: [TTYC_KF20] = { TTYCODE_STRING, "kf20" },
139: [TTYC_KF21] = { TTYCODE_STRING, "kf21" },
140: [TTYC_KF22] = { TTYCODE_STRING, "kf22" },
141: [TTYC_KF23] = { TTYCODE_STRING, "kf23" },
142: [TTYC_KF24] = { TTYCODE_STRING, "kf24" },
143: [TTYC_KF25] = { TTYCODE_STRING, "kf25" },
144: [TTYC_KF26] = { TTYCODE_STRING, "kf26" },
145: [TTYC_KF27] = { TTYCODE_STRING, "kf27" },
146: [TTYC_KF28] = { TTYCODE_STRING, "kf28" },
147: [TTYC_KF29] = { TTYCODE_STRING, "kf29" },
148: [TTYC_KF3] = { TTYCODE_STRING, "kf3" },
149: [TTYC_KF30] = { TTYCODE_STRING, "kf30" },
150: [TTYC_KF31] = { TTYCODE_STRING, "kf31" },
151: [TTYC_KF32] = { TTYCODE_STRING, "kf32" },
152: [TTYC_KF33] = { TTYCODE_STRING, "kf33" },
153: [TTYC_KF34] = { TTYCODE_STRING, "kf34" },
154: [TTYC_KF35] = { TTYCODE_STRING, "kf35" },
155: [TTYC_KF36] = { TTYCODE_STRING, "kf36" },
156: [TTYC_KF37] = { TTYCODE_STRING, "kf37" },
157: [TTYC_KF38] = { TTYCODE_STRING, "kf38" },
158: [TTYC_KF39] = { TTYCODE_STRING, "kf39" },
159: [TTYC_KF4] = { TTYCODE_STRING, "kf4" },
160: [TTYC_KF40] = { TTYCODE_STRING, "kf40" },
161: [TTYC_KF41] = { TTYCODE_STRING, "kf41" },
162: [TTYC_KF42] = { TTYCODE_STRING, "kf42" },
163: [TTYC_KF43] = { TTYCODE_STRING, "kf43" },
164: [TTYC_KF44] = { TTYCODE_STRING, "kf44" },
165: [TTYC_KF45] = { TTYCODE_STRING, "kf45" },
166: [TTYC_KF46] = { TTYCODE_STRING, "kf46" },
167: [TTYC_KF47] = { TTYCODE_STRING, "kf47" },
168: [TTYC_KF48] = { TTYCODE_STRING, "kf48" },
169: [TTYC_KF49] = { TTYCODE_STRING, "kf49" },
170: [TTYC_KF5] = { TTYCODE_STRING, "kf5" },
171: [TTYC_KF50] = { TTYCODE_STRING, "kf50" },
172: [TTYC_KF51] = { TTYCODE_STRING, "kf51" },
173: [TTYC_KF52] = { TTYCODE_STRING, "kf52" },
174: [TTYC_KF53] = { TTYCODE_STRING, "kf53" },
175: [TTYC_KF54] = { TTYCODE_STRING, "kf54" },
176: [TTYC_KF55] = { TTYCODE_STRING, "kf55" },
177: [TTYC_KF56] = { TTYCODE_STRING, "kf56" },
178: [TTYC_KF57] = { TTYCODE_STRING, "kf57" },
179: [TTYC_KF58] = { TTYCODE_STRING, "kf58" },
180: [TTYC_KF59] = { TTYCODE_STRING, "kf59" },
181: [TTYC_KF6] = { TTYCODE_STRING, "kf6" },
182: [TTYC_KF60] = { TTYCODE_STRING, "kf60" },
183: [TTYC_KF61] = { TTYCODE_STRING, "kf61" },
184: [TTYC_KF62] = { TTYCODE_STRING, "kf62" },
185: [TTYC_KF63] = { TTYCODE_STRING, "kf63" },
186: [TTYC_KF7] = { TTYCODE_STRING, "kf7" },
187: [TTYC_KF8] = { TTYCODE_STRING, "kf8" },
188: [TTYC_KF9] = { TTYCODE_STRING, "kf9" },
189: [TTYC_KHOM2] = { TTYCODE_STRING, "kHOM" },
190: [TTYC_KHOM3] = { TTYCODE_STRING, "kHOM3" },
191: [TTYC_KHOM4] = { TTYCODE_STRING, "kHOM4" },
192: [TTYC_KHOM5] = { TTYCODE_STRING, "kHOM5" },
193: [TTYC_KHOM6] = { TTYCODE_STRING, "kHOM6" },
194: [TTYC_KHOM7] = { TTYCODE_STRING, "kHOM7" },
195: [TTYC_KHOME] = { TTYCODE_STRING, "khome" },
196: [TTYC_KIC2] = { TTYCODE_STRING, "kIC" },
197: [TTYC_KIC3] = { TTYCODE_STRING, "kIC3" },
198: [TTYC_KIC4] = { TTYCODE_STRING, "kIC4" },
199: [TTYC_KIC5] = { TTYCODE_STRING, "kIC5" },
200: [TTYC_KIC6] = { TTYCODE_STRING, "kIC6" },
201: [TTYC_KIC7] = { TTYCODE_STRING, "kIC7" },
202: [TTYC_KICH1] = { TTYCODE_STRING, "kich1" },
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" },
230: [TTYC_KUP2] = { TTYCODE_STRING, "kUP" },
231: [TTYC_KUP3] = { TTYCODE_STRING, "kUP3" },
232: [TTYC_KUP4] = { TTYCODE_STRING, "kUP4" },
233: [TTYC_KUP5] = { TTYCODE_STRING, "kUP5" },
234: [TTYC_KUP6] = { TTYCODE_STRING, "kUP6" },
235: [TTYC_KUP7] = { TTYCODE_STRING, "kUP7" },
236: [TTYC_MS] = { TTYCODE_STRING, "Ms" },
237: [TTYC_OP] = { TTYCODE_STRING, "op" },
238: [TTYC_REV] = { TTYCODE_STRING, "rev" },
239: [TTYC_RI] = { TTYCODE_STRING, "ri" },
240: [TTYC_RMACS] = { TTYCODE_STRING, "rmacs" },
241: [TTYC_RMCUP] = { TTYCODE_STRING, "rmcup" },
242: [TTYC_RMKX] = { TTYCODE_STRING, "rmkx" },
243: [TTYC_SE] = { TTYCODE_STRING, "Se" },
244: [TTYC_SETAB] = { TTYCODE_STRING, "setab" },
245: [TTYC_SETAF] = { TTYCODE_STRING, "setaf" },
246: [TTYC_SGR0] = { TTYCODE_STRING, "sgr0" },
247: [TTYC_SITM] = { TTYCODE_STRING, "sitm" },
248: [TTYC_SMACS] = { TTYCODE_STRING, "smacs" },
249: [TTYC_SMCUP] = { TTYCODE_STRING, "smcup" },
250: [TTYC_SMKX] = { TTYCODE_STRING, "smkx" },
251: [TTYC_SMSO] = { TTYCODE_STRING, "smso" },
252: [TTYC_SMUL] = { TTYCODE_STRING, "smul" },
253: [TTYC_SS] = { TTYCODE_STRING, "Ss" },
254: [TTYC_TSL] = { TTYCODE_STRING, "tsl" },
255: [TTYC_VPA] = { TTYCODE_STRING, "vpa" },
256: [TTYC_XENL] = { TTYCODE_FLAG, "xenl" },
257: [TTYC_XT] = { TTYCODE_FLAG, "XT" },
258: };
259:
260: u_int
261: tty_term_ncodes(void)
262: {
263: return (nitems(tty_term_codes));
264: }
265:
1.1 nicm 266: char *
267: tty_term_strip(const char *s)
268: {
269: const char *ptr;
270: static char buf[BUFSIZ];
271: size_t len;
272:
273: /* Ignore strings with no padding. */
274: if (strchr(s, '$') == NULL)
275: return (xstrdup(s));
276:
277: len = 0;
278: for (ptr = s; *ptr != '\0'; ptr++) {
279: if (*ptr == '$' && *(ptr + 1) == '<') {
280: while (*ptr != '\0' && *ptr != '>')
281: ptr++;
282: if (*ptr == '>')
283: ptr++;
284: }
285:
286: buf[len++] = *ptr;
287: if (len == (sizeof buf) - 1)
288: break;
289: }
290: buf[len] = '\0';
291:
292: return (xstrdup(buf));
293: }
294:
295: void
1.5 nicm 296: tty_term_override(struct tty_term *term, const char *overrides)
1.1 nicm 297: {
1.19 nicm 298: const struct tty_term_code_entry *ent;
299: struct tty_code *code;
300: char *termnext, *termstr;
301: char *entnext, *entstr;
302: char *s, *ptr, *val;
303: const char *errstr;
304: u_int i;
305: int n, removeflag;
1.5 nicm 306:
307: s = xstrdup(overrides);
308:
309: termnext = s;
310: while ((termstr = strsep(&termnext, ",")) != NULL) {
311: entnext = termstr;
1.16 nicm 312:
1.5 nicm 313: entstr = strsep(&entnext, ":");
314: if (entstr == NULL || entnext == NULL)
315: continue;
316: if (fnmatch(entstr, term->name, 0) != 0)
317: continue;
318: while ((entstr = strsep(&entnext, ":")) != NULL) {
319: if (*entstr == '\0')
320: continue;
321:
322: val = NULL;
323: removeflag = 0;
1.16 nicm 324: if ((ptr = strchr(entstr, '=')) != NULL) {
1.5 nicm 325: *ptr++ = '\0';
326: val = xstrdup(ptr);
1.9 nicm 327: if (strunvis(val, ptr) == -1) {
1.29 nicm 328: free(val);
1.5 nicm 329: val = xstrdup(ptr);
330: }
331: } else if (entstr[strlen(entstr) - 1] == '@') {
332: entstr[strlen(entstr) - 1] = '\0';
333: removeflag = 1;
1.17 nicm 334: } else
1.22 nicm 335: val = xstrdup("");
1.5 nicm 336:
1.27 nicm 337: log_debug("%s override: %s %s",
338: term->name, entstr, removeflag ? "@" : val);
1.38 nicm 339: for (i = 0; i < tty_term_ncodes(); i++) {
1.5 nicm 340: ent = &tty_term_codes[i];
341: if (strcmp(entstr, ent->name) != 0)
342: continue;
1.38 nicm 343: code = &term->codes[i];
1.5 nicm 344:
345: if (removeflag) {
346: code->type = TTYCODE_NONE;
347: continue;
348: }
349: switch (ent->type) {
350: case TTYCODE_NONE:
351: break;
352: case TTYCODE_STRING:
1.6 nicm 353: if (code->type == TTYCODE_STRING)
1.29 nicm 354: free(code->value.string);
1.5 nicm 355: code->value.string = xstrdup(val);
356: code->type = ent->type;
357: break;
358: case TTYCODE_NUMBER:
359: n = strtonum(val, 0, INT_MAX, &errstr);
360: if (errstr != NULL)
361: break;
362: code->value.number = n;
363: code->type = ent->type;
364: break;
365: case TTYCODE_FLAG:
366: code->value.flag = 1;
367: code->type = ent->type;
368: break;
369: }
370: }
371:
1.29 nicm 372: free(val);
1.1 nicm 373: }
374: }
375:
1.29 nicm 376: free(s);
1.1 nicm 377: }
378:
379: struct tty_term *
1.33 nicm 380: tty_term_find(char *name, int fd, char **cause)
1.1 nicm 381: {
1.19 nicm 382: struct tty_term *term;
383: const struct tty_term_code_entry *ent;
384: struct tty_code *code;
385: u_int i;
386: int n, error;
387: char *s;
388: const char *acs;
1.1 nicm 389:
1.20 nicm 390: LIST_FOREACH(term, &tty_terms, entry) {
1.1 nicm 391: if (strcmp(term->name, name) == 0) {
392: term->references++;
393: return (term);
394: }
395: }
396:
397: log_debug("new term: %s", name);
398: term = xmalloc(sizeof *term);
399: term->name = xstrdup(name);
400: term->references = 1;
401: term->flags = 0;
1.38 nicm 402: term->codes = xcalloc (tty_term_ncodes(), sizeof *term->codes);
1.20 nicm 403: LIST_INSERT_HEAD(&tty_terms, term, entry);
1.1 nicm 404:
1.3 nicm 405: /* Set up curses terminal. */
1.1 nicm 406: if (setupterm(name, fd, &error) != OK) {
407: switch (error) {
1.4 matthieu 408: case 1:
1.16 nicm 409: xasprintf(
410: cause, "can't use hardcopy terminal: %s", name);
1.4 matthieu 411: break;
1.1 nicm 412: case 0:
1.16 nicm 413: xasprintf(
414: cause, "missing or unsuitable terminal: %s", name);
1.1 nicm 415: break;
1.4 matthieu 416: case -1:
1.1 nicm 417: xasprintf(cause, "can't find terminfo database");
418: break;
419: default:
420: xasprintf(cause, "unknown error");
421: break;
422: }
423: goto error;
424: }
425:
426: /* Fill in codes. */
1.38 nicm 427: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 428: ent = &tty_term_codes[i];
429:
1.38 nicm 430: code = &term->codes[i];
1.1 nicm 431: code->type = TTYCODE_NONE;
432: switch (ent->type) {
433: case TTYCODE_NONE:
434: break;
435: case TTYCODE_STRING:
436: s = tigetstr((char *) ent->name);
437: if (s == NULL || s == (char *) -1)
438: break;
439: code->type = TTYCODE_STRING;
440: code->value.string = tty_term_strip(s);
441: break;
442: case TTYCODE_NUMBER:
443: n = tigetnum((char *) ent->name);
444: if (n == -1 || n == -2)
445: break;
446: code->type = TTYCODE_NUMBER;
447: code->value.number = n;
448: break;
449: case TTYCODE_FLAG:
450: n = tigetflag((char *) ent->name);
451: if (n == -1)
452: break;
453: code->type = TTYCODE_FLAG;
1.40 nicm 454: code->value.flag = n;
1.1 nicm 455: break;
456: }
457: }
1.33 nicm 458:
459: /* Apply terminal overrides. */
1.41 nicm 460: s = options_get_string(global_options, "terminal-overrides");
1.33 nicm 461: tty_term_override(term, s);
1.1 nicm 462:
1.3 nicm 463: /* Delete curses data. */
1.1 nicm 464: del_curterm(cur_term);
465:
466: /* These are always required. */
467: if (!tty_term_has(term, TTYC_CLEAR)) {
468: xasprintf(cause, "terminal does not support clear");
469: goto error;
470: }
471: if (!tty_term_has(term, TTYC_CUP)) {
472: xasprintf(cause, "terminal does not support cup");
473: goto error;
474: }
475:
476: /* These can be emulated so one of the two is required. */
477: if (!tty_term_has(term, TTYC_CUD1) && !tty_term_has(term, TTYC_CUD)) {
478: xasprintf(cause, "terminal does not support cud1 or cud");
479: goto error;
480: }
481:
1.31 nicm 482: /* Figure out if we have 256. */
1.1 nicm 483: if (tty_term_number(term, TTYC_COLORS) == 256)
484: term->flags |= TERM_256COLOURS;
485:
486: /*
487: * Terminals without xenl (eat newline glitch) wrap at at $COLUMNS - 1
488: * rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
489: *
490: * This is irritating, most notably because it is impossible to write
491: * to the very bottom-right of the screen without scrolling.
492: *
493: * Flag the terminal here and apply some workarounds in other places to
494: * do the best possible.
495: */
496: if (!tty_term_flag(term, TTYC_XENL))
497: term->flags |= TERM_EARLYWRAP;
1.18 nicm 498:
499: /* Generate ACS table. If none is present, use nearest ASCII. */
500: memset(term->acs, 0, sizeof term->acs);
501: if (tty_term_has(term, TTYC_ACSC))
502: acs = tty_term_string(term, TTYC_ACSC);
503: else
504: acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~.";
505: for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2)
506: term->acs[(u_char) acs[0]][0] = acs[1];
1.22 nicm 507:
508: /* On terminals with xterm titles (XT), fill in tsl and fsl. */
509: if (tty_term_flag(term, TTYC_XT) &&
510: !tty_term_has(term, TTYC_TSL) &&
511: !tty_term_has(term, TTYC_FSL)) {
512: code = &term->codes[TTYC_TSL];
513: code->value.string = xstrdup("\033]0;");
514: code->type = TTYCODE_STRING;
515: code = &term->codes[TTYC_FSL];
516: code->value.string = xstrdup("\007");
517: code->type = TTYCODE_STRING;
518: }
1.1 nicm 519:
520: return (term);
521:
522: error:
523: tty_term_free(term);
524: return (NULL);
525: }
526:
527: void
528: tty_term_free(struct tty_term *term)
529: {
530: u_int i;
531:
532: if (--term->references != 0)
533: return;
534:
1.20 nicm 535: LIST_REMOVE(term, entry);
1.1 nicm 536:
1.38 nicm 537: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 538: if (term->codes[i].type == TTYCODE_STRING)
1.29 nicm 539: free(term->codes[i].value.string);
1.1 nicm 540: }
1.38 nicm 541: free(term->codes);
542:
1.29 nicm 543: free(term->name);
544: free(term);
1.1 nicm 545: }
546:
547: int
548: tty_term_has(struct tty_term *term, enum tty_code_code code)
549: {
550: return (term->codes[code].type != TTYCODE_NONE);
551: }
552:
553: const char *
554: tty_term_string(struct tty_term *term, enum tty_code_code code)
555: {
556: if (!tty_term_has(term, code))
557: return ("");
558: if (term->codes[code].type != TTYCODE_STRING)
1.42 ! nicm 559: fatalx("not a string: %d", code);
1.1 nicm 560: return (term->codes[code].value.string);
561: }
562:
563: const char *
564: tty_term_string1(struct tty_term *term, enum tty_code_code code, int a)
565: {
566: return (tparm((char *) tty_term_string(term, code), a));
567: }
568:
569: const char *
570: tty_term_string2(struct tty_term *term, enum tty_code_code code, int a, int b)
1.23 nicm 571: {
572: return (tparm((char *) tty_term_string(term, code), a, b));
1.24 nicm 573: }
574:
575: const char *
576: tty_term_ptr1(struct tty_term *term, enum tty_code_code code, const void *a)
577: {
578: return (tparm((char *) tty_term_string(term, code), a));
1.23 nicm 579: }
580:
581: const char *
1.34 nicm 582: tty_term_ptr2(struct tty_term *term, enum tty_code_code code, const void *a,
583: const void *b)
1.1 nicm 584: {
585: return (tparm((char *) tty_term_string(term, code), a, b));
586: }
587:
588: int
589: tty_term_number(struct tty_term *term, enum tty_code_code code)
590: {
591: if (!tty_term_has(term, code))
592: return (0);
593: if (term->codes[code].type != TTYCODE_NUMBER)
1.42 ! nicm 594: fatalx("not a number: %d", code);
1.1 nicm 595: return (term->codes[code].value.number);
596: }
597:
598: int
599: tty_term_flag(struct tty_term *term, enum tty_code_code code)
600: {
601: if (!tty_term_has(term, code))
602: return (0);
603: if (term->codes[code].type != TTYCODE_FLAG)
1.42 ! nicm 604: fatalx("not a flag: %d", code);
1.1 nicm 605: return (term->codes[code].value.flag);
1.38 nicm 606: }
607:
608: const char *
609: tty_term_describe(struct tty_term *term, enum tty_code_code code)
610: {
611: static char s[256];
612: char out[128];
613:
614: switch (term->codes[code].type) {
615: case TTYCODE_NONE:
616: xsnprintf(s, sizeof s, "%4u: %s: [missing]",
617: code, tty_term_codes[code].name);
618: break;
619: case TTYCODE_STRING:
620: strnvis(out, term->codes[code].value.string, sizeof out,
621: VIS_OCTAL|VIS_TAB|VIS_NL);
622: xsnprintf(s, sizeof s, "%4u: %s: (string) %s",
623: code, tty_term_codes[code].name,
624: out);
625: break;
626: case TTYCODE_NUMBER:
627: xsnprintf(s, sizeof s, "%4u: %s: (number) %d",
628: code, tty_term_codes[code].name,
629: term->codes[code].value.number);
630: break;
631: case TTYCODE_FLAG:
632: xsnprintf(s, sizeof s, "%4u: %s: (flag) %s",
633: code, tty_term_codes[code].name,
634: term->codes[code].value.flag ? "true" : "false");
635: break;
636: }
637: return (s);
1.1 nicm 638: }
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