Annotation of src/usr.bin/tmux/tty-term.c, Revision 1.45
1.45 ! nicm 1: /* $OpenBSD: tty-term.c,v 1.44 2016/01/19 15:59:12 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:
1.5 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" },
1.45 ! nicm 254: [TTYC_TC] = { TTYCODE_FLAG, "Tc" },
1.38 nicm 255: [TTYC_TSL] = { TTYCODE_STRING, "tsl" },
256: [TTYC_VPA] = { TTYCODE_STRING, "vpa" },
257: [TTYC_XENL] = { TTYCODE_FLAG, "xenl" },
258: [TTYC_XT] = { TTYCODE_FLAG, "XT" },
259: };
260:
261: u_int
262: tty_term_ncodes(void)
263: {
264: return (nitems(tty_term_codes));
265: }
266:
1.1 nicm 267: char *
268: tty_term_strip(const char *s)
269: {
270: const char *ptr;
271: static char buf[BUFSIZ];
272: size_t len;
273:
274: /* Ignore strings with no padding. */
275: if (strchr(s, '$') == NULL)
276: return (xstrdup(s));
277:
278: len = 0;
279: for (ptr = s; *ptr != '\0'; ptr++) {
280: if (*ptr == '$' && *(ptr + 1) == '<') {
281: while (*ptr != '\0' && *ptr != '>')
282: ptr++;
283: if (*ptr == '>')
284: ptr++;
285: }
286:
287: buf[len++] = *ptr;
288: if (len == (sizeof buf) - 1)
289: break;
290: }
291: buf[len] = '\0';
292:
293: return (xstrdup(buf));
294: }
295:
296: void
1.5 nicm 297: tty_term_override(struct tty_term *term, const char *overrides)
1.1 nicm 298: {
1.19 nicm 299: const struct tty_term_code_entry *ent;
300: struct tty_code *code;
301: char *termnext, *termstr;
302: char *entnext, *entstr;
303: char *s, *ptr, *val;
304: const char *errstr;
305: u_int i;
306: int n, removeflag;
1.5 nicm 307:
308: s = xstrdup(overrides);
309:
310: termnext = s;
311: while ((termstr = strsep(&termnext, ",")) != NULL) {
312: entnext = termstr;
1.16 nicm 313:
1.5 nicm 314: entstr = strsep(&entnext, ":");
315: if (entstr == NULL || entnext == NULL)
316: continue;
317: if (fnmatch(entstr, term->name, 0) != 0)
318: continue;
319: while ((entstr = strsep(&entnext, ":")) != NULL) {
320: if (*entstr == '\0')
321: continue;
322:
323: val = NULL;
324: removeflag = 0;
1.16 nicm 325: if ((ptr = strchr(entstr, '=')) != NULL) {
1.5 nicm 326: *ptr++ = '\0';
327: val = xstrdup(ptr);
1.9 nicm 328: if (strunvis(val, ptr) == -1) {
1.29 nicm 329: free(val);
1.5 nicm 330: val = xstrdup(ptr);
331: }
332: } else if (entstr[strlen(entstr) - 1] == '@') {
333: entstr[strlen(entstr) - 1] = '\0';
334: removeflag = 1;
1.17 nicm 335: } else
1.22 nicm 336: val = xstrdup("");
1.5 nicm 337:
1.27 nicm 338: log_debug("%s override: %s %s",
339: term->name, entstr, removeflag ? "@" : val);
1.38 nicm 340: for (i = 0; i < tty_term_ncodes(); i++) {
1.5 nicm 341: ent = &tty_term_codes[i];
342: if (strcmp(entstr, ent->name) != 0)
343: continue;
1.38 nicm 344: code = &term->codes[i];
1.5 nicm 345:
346: if (removeflag) {
347: code->type = TTYCODE_NONE;
348: continue;
349: }
350: switch (ent->type) {
351: case TTYCODE_NONE:
352: break;
353: case TTYCODE_STRING:
1.6 nicm 354: if (code->type == TTYCODE_STRING)
1.29 nicm 355: free(code->value.string);
1.5 nicm 356: code->value.string = xstrdup(val);
357: code->type = ent->type;
358: break;
359: case TTYCODE_NUMBER:
360: n = strtonum(val, 0, INT_MAX, &errstr);
361: if (errstr != NULL)
362: break;
363: code->value.number = n;
364: code->type = ent->type;
365: break;
366: case TTYCODE_FLAG:
367: code->value.flag = 1;
368: code->type = ent->type;
369: break;
370: }
371: }
372:
1.29 nicm 373: free(val);
1.1 nicm 374: }
375: }
376:
1.29 nicm 377: free(s);
1.1 nicm 378: }
379:
380: struct tty_term *
1.33 nicm 381: tty_term_find(char *name, int fd, char **cause)
1.1 nicm 382: {
1.19 nicm 383: struct tty_term *term;
384: const struct tty_term_code_entry *ent;
385: struct tty_code *code;
386: u_int i;
387: int n, error;
388: char *s;
389: const char *acs;
1.1 nicm 390:
1.20 nicm 391: LIST_FOREACH(term, &tty_terms, entry) {
1.1 nicm 392: if (strcmp(term->name, name) == 0) {
393: term->references++;
394: return (term);
395: }
396: }
397:
398: log_debug("new term: %s", name);
399: term = xmalloc(sizeof *term);
400: term->name = xstrdup(name);
401: term->references = 1;
402: term->flags = 0;
1.38 nicm 403: term->codes = xcalloc (tty_term_ncodes(), sizeof *term->codes);
1.20 nicm 404: LIST_INSERT_HEAD(&tty_terms, term, entry);
1.1 nicm 405:
1.3 nicm 406: /* Set up curses terminal. */
1.1 nicm 407: if (setupterm(name, fd, &error) != OK) {
408: switch (error) {
1.4 matthieu 409: case 1:
1.43 nicm 410: xasprintf(cause, "can't use hardcopy terminal: %s",
411: name);
1.4 matthieu 412: break;
1.1 nicm 413: case 0:
1.43 nicm 414: xasprintf(cause, "missing or unsuitable terminal: %s",
415: name);
1.1 nicm 416: break;
1.4 matthieu 417: case -1:
1.1 nicm 418: xasprintf(cause, "can't find terminfo database");
419: break;
420: default:
421: xasprintf(cause, "unknown error");
422: break;
423: }
424: goto error;
425: }
426:
427: /* Fill in codes. */
1.38 nicm 428: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 429: ent = &tty_term_codes[i];
430:
1.38 nicm 431: code = &term->codes[i];
1.1 nicm 432: code->type = TTYCODE_NONE;
433: switch (ent->type) {
434: case TTYCODE_NONE:
435: break;
436: case TTYCODE_STRING:
437: s = tigetstr((char *) ent->name);
438: if (s == NULL || s == (char *) -1)
439: break;
440: code->type = TTYCODE_STRING;
441: code->value.string = tty_term_strip(s);
442: break;
443: case TTYCODE_NUMBER:
444: n = tigetnum((char *) ent->name);
445: if (n == -1 || n == -2)
446: break;
447: code->type = TTYCODE_NUMBER;
448: code->value.number = n;
449: break;
450: case TTYCODE_FLAG:
451: n = tigetflag((char *) ent->name);
452: if (n == -1)
453: break;
454: code->type = TTYCODE_FLAG;
1.40 nicm 455: code->value.flag = n;
1.1 nicm 456: break;
457: }
458: }
1.33 nicm 459:
460: /* Apply terminal overrides. */
1.41 nicm 461: s = options_get_string(global_options, "terminal-overrides");
1.33 nicm 462: tty_term_override(term, s);
1.1 nicm 463:
1.3 nicm 464: /* Delete curses data. */
1.1 nicm 465: del_curterm(cur_term);
466:
467: /* These are always required. */
468: if (!tty_term_has(term, TTYC_CLEAR)) {
469: xasprintf(cause, "terminal does not support clear");
470: goto error;
471: }
472: if (!tty_term_has(term, TTYC_CUP)) {
473: xasprintf(cause, "terminal does not support cup");
474: goto error;
475: }
476:
477: /* These can be emulated so one of the two is required. */
478: if (!tty_term_has(term, TTYC_CUD1) && !tty_term_has(term, TTYC_CUD)) {
479: xasprintf(cause, "terminal does not support cud1 or cud");
480: goto error;
481: }
482:
1.31 nicm 483: /* Figure out if we have 256. */
1.1 nicm 484: if (tty_term_number(term, TTYC_COLORS) == 256)
485: term->flags |= TERM_256COLOURS;
486:
487: /*
488: * Terminals without xenl (eat newline glitch) wrap at at $COLUMNS - 1
489: * rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
490: *
491: * This is irritating, most notably because it is impossible to write
492: * to the very bottom-right of the screen without scrolling.
493: *
494: * Flag the terminal here and apply some workarounds in other places to
495: * do the best possible.
496: */
497: if (!tty_term_flag(term, TTYC_XENL))
498: term->flags |= TERM_EARLYWRAP;
1.18 nicm 499:
500: /* Generate ACS table. If none is present, use nearest ASCII. */
501: memset(term->acs, 0, sizeof term->acs);
502: if (tty_term_has(term, TTYC_ACSC))
503: acs = tty_term_string(term, TTYC_ACSC);
504: else
505: acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~.";
506: for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2)
507: term->acs[(u_char) acs[0]][0] = acs[1];
1.22 nicm 508:
509: /* On terminals with xterm titles (XT), fill in tsl and fsl. */
510: if (tty_term_flag(term, TTYC_XT) &&
511: !tty_term_has(term, TTYC_TSL) &&
512: !tty_term_has(term, TTYC_FSL)) {
513: code = &term->codes[TTYC_TSL];
514: code->value.string = xstrdup("\033]0;");
515: code->type = TTYCODE_STRING;
516: code = &term->codes[TTYC_FSL];
517: code->value.string = xstrdup("\007");
518: code->type = TTYCODE_STRING;
519: }
1.1 nicm 520:
521: return (term);
522:
523: error:
524: tty_term_free(term);
525: return (NULL);
526: }
527:
528: void
529: tty_term_free(struct tty_term *term)
530: {
531: u_int i;
532:
533: if (--term->references != 0)
534: return;
535:
1.20 nicm 536: LIST_REMOVE(term, entry);
1.1 nicm 537:
1.38 nicm 538: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 539: if (term->codes[i].type == TTYCODE_STRING)
1.29 nicm 540: free(term->codes[i].value.string);
1.1 nicm 541: }
1.38 nicm 542: free(term->codes);
543:
1.29 nicm 544: free(term->name);
545: free(term);
1.1 nicm 546: }
547:
548: int
549: tty_term_has(struct tty_term *term, enum tty_code_code code)
550: {
551: return (term->codes[code].type != TTYCODE_NONE);
552: }
553:
554: const char *
555: tty_term_string(struct tty_term *term, enum tty_code_code code)
556: {
557: if (!tty_term_has(term, code))
558: return ("");
559: if (term->codes[code].type != TTYCODE_STRING)
1.42 nicm 560: fatalx("not a string: %d", code);
1.1 nicm 561: return (term->codes[code].value.string);
562: }
563:
564: const char *
565: tty_term_string1(struct tty_term *term, enum tty_code_code code, int a)
566: {
567: return (tparm((char *) tty_term_string(term, code), a));
568: }
569:
570: const char *
571: tty_term_string2(struct tty_term *term, enum tty_code_code code, int a, int b)
1.23 nicm 572: {
573: return (tparm((char *) tty_term_string(term, code), a, b));
1.24 nicm 574: }
575:
576: const char *
577: tty_term_ptr1(struct tty_term *term, enum tty_code_code code, const void *a)
578: {
579: return (tparm((char *) tty_term_string(term, code), a));
1.23 nicm 580: }
581:
582: const char *
1.34 nicm 583: tty_term_ptr2(struct tty_term *term, enum tty_code_code code, const void *a,
584: const void *b)
1.1 nicm 585: {
586: return (tparm((char *) tty_term_string(term, code), a, b));
587: }
588:
589: int
590: tty_term_number(struct tty_term *term, enum tty_code_code code)
591: {
592: if (!tty_term_has(term, code))
593: return (0);
594: if (term->codes[code].type != TTYCODE_NUMBER)
1.42 nicm 595: fatalx("not a number: %d", code);
1.1 nicm 596: return (term->codes[code].value.number);
597: }
598:
599: int
600: tty_term_flag(struct tty_term *term, enum tty_code_code code)
601: {
602: if (!tty_term_has(term, code))
603: return (0);
604: if (term->codes[code].type != TTYCODE_FLAG)
1.42 nicm 605: fatalx("not a flag: %d", code);
1.1 nicm 606: return (term->codes[code].value.flag);
1.38 nicm 607: }
608:
609: const char *
610: tty_term_describe(struct tty_term *term, enum tty_code_code code)
611: {
612: static char s[256];
613: char out[128];
614:
615: switch (term->codes[code].type) {
616: case TTYCODE_NONE:
617: xsnprintf(s, sizeof s, "%4u: %s: [missing]",
618: code, tty_term_codes[code].name);
619: break;
620: case TTYCODE_STRING:
621: strnvis(out, term->codes[code].value.string, sizeof out,
622: VIS_OCTAL|VIS_TAB|VIS_NL);
623: xsnprintf(s, sizeof s, "%4u: %s: (string) %s",
624: code, tty_term_codes[code].name,
625: out);
626: break;
627: case TTYCODE_NUMBER:
628: xsnprintf(s, sizeof s, "%4u: %s: (number) %d",
629: code, tty_term_codes[code].name,
630: term->codes[code].value.number);
631: break;
632: case TTYCODE_FLAG:
633: xsnprintf(s, sizeof s, "%4u: %s: (flag) %s",
634: code, tty_term_codes[code].name,
635: term->codes[code].value.flag ? "true" : "false");
636: break;
637: }
638: return (s);
1.1 nicm 639: }