Annotation of src/usr.bin/tmux/tty-term.c, Revision 1.53
1.53 ! nicm 1: /* $OpenBSD: tty-term.c,v 1.52 2017/02/21 14:18:12 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:
1.46 nicm 30: static void tty_term_override(struct tty_term *, const char *);
31: static char *tty_term_strip(const char *);
1.1 nicm 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:
1.46 nicm 56: static const struct tty_term_code_entry tty_term_codes[] = {
1.38 nicm 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" },
1.50 nicm 87: [TTYC_ED] = { TTYCODE_STRING, "ed" },
1.38 nicm 88: [TTYC_EL] = { TTYCODE_STRING, "el" },
89: [TTYC_EL1] = { TTYCODE_STRING, "el1" },
90: [TTYC_ENACS] = { TTYCODE_STRING, "enacs" },
91: [TTYC_FSL] = { TTYCODE_STRING, "fsl" },
92: [TTYC_HOME] = { TTYCODE_STRING, "home" },
93: [TTYC_HPA] = { TTYCODE_STRING, "hpa" },
94: [TTYC_ICH] = { TTYCODE_STRING, "ich" },
95: [TTYC_ICH1] = { TTYCODE_STRING, "ich1" },
96: [TTYC_IL] = { TTYCODE_STRING, "il" },
97: [TTYC_IL1] = { TTYCODE_STRING, "il1" },
1.51 nicm 98: [TTYC_INDN] = { TTYCODE_STRING, "indn" },
1.38 nicm 99: [TTYC_INVIS] = { TTYCODE_STRING, "invis" },
100: [TTYC_KCBT] = { TTYCODE_STRING, "kcbt" },
101: [TTYC_KCUB1] = { TTYCODE_STRING, "kcub1" },
102: [TTYC_KCUD1] = { TTYCODE_STRING, "kcud1" },
103: [TTYC_KCUF1] = { TTYCODE_STRING, "kcuf1" },
104: [TTYC_KCUU1] = { TTYCODE_STRING, "kcuu1" },
105: [TTYC_KDC2] = { TTYCODE_STRING, "kDC" },
106: [TTYC_KDC3] = { TTYCODE_STRING, "kDC3" },
107: [TTYC_KDC4] = { TTYCODE_STRING, "kDC4" },
108: [TTYC_KDC5] = { TTYCODE_STRING, "kDC5" },
109: [TTYC_KDC6] = { TTYCODE_STRING, "kDC6" },
110: [TTYC_KDC7] = { TTYCODE_STRING, "kDC7" },
111: [TTYC_KDCH1] = { TTYCODE_STRING, "kdch1" },
112: [TTYC_KDN2] = { TTYCODE_STRING, "kDN" },
113: [TTYC_KDN3] = { TTYCODE_STRING, "kDN3" },
114: [TTYC_KDN4] = { TTYCODE_STRING, "kDN4" },
115: [TTYC_KDN5] = { TTYCODE_STRING, "kDN5" },
116: [TTYC_KDN6] = { TTYCODE_STRING, "kDN6" },
117: [TTYC_KDN7] = { TTYCODE_STRING, "kDN7" },
118: [TTYC_KEND] = { TTYCODE_STRING, "kend" },
119: [TTYC_KEND2] = { TTYCODE_STRING, "kEND" },
120: [TTYC_KEND3] = { TTYCODE_STRING, "kEND3" },
121: [TTYC_KEND4] = { TTYCODE_STRING, "kEND4" },
122: [TTYC_KEND5] = { TTYCODE_STRING, "kEND5" },
123: [TTYC_KEND6] = { TTYCODE_STRING, "kEND6" },
124: [TTYC_KEND7] = { TTYCODE_STRING, "kEND7" },
125: [TTYC_KF1] = { TTYCODE_STRING, "kf1" },
126: [TTYC_KF10] = { TTYCODE_STRING, "kf10" },
127: [TTYC_KF11] = { TTYCODE_STRING, "kf11" },
128: [TTYC_KF12] = { TTYCODE_STRING, "kf12" },
129: [TTYC_KF13] = { TTYCODE_STRING, "kf13" },
130: [TTYC_KF14] = { TTYCODE_STRING, "kf14" },
131: [TTYC_KF15] = { TTYCODE_STRING, "kf15" },
132: [TTYC_KF16] = { TTYCODE_STRING, "kf16" },
133: [TTYC_KF17] = { TTYCODE_STRING, "kf17" },
134: [TTYC_KF18] = { TTYCODE_STRING, "kf18" },
135: [TTYC_KF19] = { TTYCODE_STRING, "kf19" },
136: [TTYC_KF2] = { TTYCODE_STRING, "kf2" },
137: [TTYC_KF20] = { TTYCODE_STRING, "kf20" },
138: [TTYC_KF21] = { TTYCODE_STRING, "kf21" },
139: [TTYC_KF22] = { TTYCODE_STRING, "kf22" },
140: [TTYC_KF23] = { TTYCODE_STRING, "kf23" },
141: [TTYC_KF24] = { TTYCODE_STRING, "kf24" },
142: [TTYC_KF25] = { TTYCODE_STRING, "kf25" },
143: [TTYC_KF26] = { TTYCODE_STRING, "kf26" },
144: [TTYC_KF27] = { TTYCODE_STRING, "kf27" },
145: [TTYC_KF28] = { TTYCODE_STRING, "kf28" },
146: [TTYC_KF29] = { TTYCODE_STRING, "kf29" },
147: [TTYC_KF3] = { TTYCODE_STRING, "kf3" },
148: [TTYC_KF30] = { TTYCODE_STRING, "kf30" },
149: [TTYC_KF31] = { TTYCODE_STRING, "kf31" },
150: [TTYC_KF32] = { TTYCODE_STRING, "kf32" },
151: [TTYC_KF33] = { TTYCODE_STRING, "kf33" },
152: [TTYC_KF34] = { TTYCODE_STRING, "kf34" },
153: [TTYC_KF35] = { TTYCODE_STRING, "kf35" },
154: [TTYC_KF36] = { TTYCODE_STRING, "kf36" },
155: [TTYC_KF37] = { TTYCODE_STRING, "kf37" },
156: [TTYC_KF38] = { TTYCODE_STRING, "kf38" },
157: [TTYC_KF39] = { TTYCODE_STRING, "kf39" },
158: [TTYC_KF4] = { TTYCODE_STRING, "kf4" },
159: [TTYC_KF40] = { TTYCODE_STRING, "kf40" },
160: [TTYC_KF41] = { TTYCODE_STRING, "kf41" },
161: [TTYC_KF42] = { TTYCODE_STRING, "kf42" },
162: [TTYC_KF43] = { TTYCODE_STRING, "kf43" },
163: [TTYC_KF44] = { TTYCODE_STRING, "kf44" },
164: [TTYC_KF45] = { TTYCODE_STRING, "kf45" },
165: [TTYC_KF46] = { TTYCODE_STRING, "kf46" },
166: [TTYC_KF47] = { TTYCODE_STRING, "kf47" },
167: [TTYC_KF48] = { TTYCODE_STRING, "kf48" },
168: [TTYC_KF49] = { TTYCODE_STRING, "kf49" },
169: [TTYC_KF5] = { TTYCODE_STRING, "kf5" },
170: [TTYC_KF50] = { TTYCODE_STRING, "kf50" },
171: [TTYC_KF51] = { TTYCODE_STRING, "kf51" },
172: [TTYC_KF52] = { TTYCODE_STRING, "kf52" },
173: [TTYC_KF53] = { TTYCODE_STRING, "kf53" },
174: [TTYC_KF54] = { TTYCODE_STRING, "kf54" },
175: [TTYC_KF55] = { TTYCODE_STRING, "kf55" },
176: [TTYC_KF56] = { TTYCODE_STRING, "kf56" },
177: [TTYC_KF57] = { TTYCODE_STRING, "kf57" },
178: [TTYC_KF58] = { TTYCODE_STRING, "kf58" },
179: [TTYC_KF59] = { TTYCODE_STRING, "kf59" },
180: [TTYC_KF6] = { TTYCODE_STRING, "kf6" },
181: [TTYC_KF60] = { TTYCODE_STRING, "kf60" },
182: [TTYC_KF61] = { TTYCODE_STRING, "kf61" },
183: [TTYC_KF62] = { TTYCODE_STRING, "kf62" },
184: [TTYC_KF63] = { TTYCODE_STRING, "kf63" },
185: [TTYC_KF7] = { TTYCODE_STRING, "kf7" },
186: [TTYC_KF8] = { TTYCODE_STRING, "kf8" },
187: [TTYC_KF9] = { TTYCODE_STRING, "kf9" },
188: [TTYC_KHOM2] = { TTYCODE_STRING, "kHOM" },
189: [TTYC_KHOM3] = { TTYCODE_STRING, "kHOM3" },
190: [TTYC_KHOM4] = { TTYCODE_STRING, "kHOM4" },
191: [TTYC_KHOM5] = { TTYCODE_STRING, "kHOM5" },
192: [TTYC_KHOM6] = { TTYCODE_STRING, "kHOM6" },
193: [TTYC_KHOM7] = { TTYCODE_STRING, "kHOM7" },
194: [TTYC_KHOME] = { TTYCODE_STRING, "khome" },
195: [TTYC_KIC2] = { TTYCODE_STRING, "kIC" },
196: [TTYC_KIC3] = { TTYCODE_STRING, "kIC3" },
197: [TTYC_KIC4] = { TTYCODE_STRING, "kIC4" },
198: [TTYC_KIC5] = { TTYCODE_STRING, "kIC5" },
199: [TTYC_KIC6] = { TTYCODE_STRING, "kIC6" },
200: [TTYC_KIC7] = { TTYCODE_STRING, "kIC7" },
201: [TTYC_KICH1] = { TTYCODE_STRING, "kich1" },
202: [TTYC_KLFT2] = { TTYCODE_STRING, "kLFT" },
203: [TTYC_KLFT3] = { TTYCODE_STRING, "kLFT3" },
204: [TTYC_KLFT4] = { TTYCODE_STRING, "kLFT4" },
205: [TTYC_KLFT5] = { TTYCODE_STRING, "kLFT5" },
206: [TTYC_KLFT6] = { TTYCODE_STRING, "kLFT6" },
207: [TTYC_KLFT7] = { TTYCODE_STRING, "kLFT7" },
208: [TTYC_KMOUS] = { TTYCODE_STRING, "kmous" },
209: [TTYC_KNP] = { TTYCODE_STRING, "knp" },
210: [TTYC_KNXT2] = { TTYCODE_STRING, "kNXT" },
211: [TTYC_KNXT3] = { TTYCODE_STRING, "kNXT3" },
212: [TTYC_KNXT4] = { TTYCODE_STRING, "kNXT4" },
213: [TTYC_KNXT5] = { TTYCODE_STRING, "kNXT5" },
214: [TTYC_KNXT6] = { TTYCODE_STRING, "kNXT6" },
215: [TTYC_KNXT7] = { TTYCODE_STRING, "kNXT7" },
216: [TTYC_KPP] = { TTYCODE_STRING, "kpp" },
217: [TTYC_KPRV2] = { TTYCODE_STRING, "kPRV" },
218: [TTYC_KPRV3] = { TTYCODE_STRING, "kPRV3" },
219: [TTYC_KPRV4] = { TTYCODE_STRING, "kPRV4" },
220: [TTYC_KPRV5] = { TTYCODE_STRING, "kPRV5" },
221: [TTYC_KPRV6] = { TTYCODE_STRING, "kPRV6" },
222: [TTYC_KPRV7] = { TTYCODE_STRING, "kPRV7" },
223: [TTYC_KRIT2] = { TTYCODE_STRING, "kRIT" },
224: [TTYC_KRIT3] = { TTYCODE_STRING, "kRIT3" },
225: [TTYC_KRIT4] = { TTYCODE_STRING, "kRIT4" },
226: [TTYC_KRIT5] = { TTYCODE_STRING, "kRIT5" },
227: [TTYC_KRIT6] = { TTYCODE_STRING, "kRIT6" },
228: [TTYC_KRIT7] = { TTYCODE_STRING, "kRIT7" },
229: [TTYC_KUP2] = { TTYCODE_STRING, "kUP" },
230: [TTYC_KUP3] = { TTYCODE_STRING, "kUP3" },
231: [TTYC_KUP4] = { TTYCODE_STRING, "kUP4" },
232: [TTYC_KUP5] = { TTYCODE_STRING, "kUP5" },
233: [TTYC_KUP6] = { TTYCODE_STRING, "kUP6" },
234: [TTYC_KUP7] = { TTYCODE_STRING, "kUP7" },
235: [TTYC_MS] = { TTYCODE_STRING, "Ms" },
236: [TTYC_OP] = { TTYCODE_STRING, "op" },
237: [TTYC_REV] = { TTYCODE_STRING, "rev" },
238: [TTYC_RI] = { TTYCODE_STRING, "ri" },
239: [TTYC_RMACS] = { TTYCODE_STRING, "rmacs" },
240: [TTYC_RMCUP] = { TTYCODE_STRING, "rmcup" },
241: [TTYC_RMKX] = { TTYCODE_STRING, "rmkx" },
242: [TTYC_SE] = { TTYCODE_STRING, "Se" },
243: [TTYC_SETAB] = { TTYCODE_STRING, "setab" },
244: [TTYC_SETAF] = { TTYCODE_STRING, "setaf" },
245: [TTYC_SGR0] = { TTYCODE_STRING, "sgr0" },
246: [TTYC_SITM] = { TTYCODE_STRING, "sitm" },
247: [TTYC_SMACS] = { TTYCODE_STRING, "smacs" },
248: [TTYC_SMCUP] = { TTYCODE_STRING, "smcup" },
249: [TTYC_SMKX] = { TTYCODE_STRING, "smkx" },
250: [TTYC_SMSO] = { TTYCODE_STRING, "smso" },
251: [TTYC_SMUL] = { TTYCODE_STRING, "smul" },
1.53 ! nicm 252: [TTYC_SMXX] = { TTYCODE_STRING, "smxx" },
1.38 nicm 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:
1.46 nicm 267: static char *
1.1 nicm 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:
1.46 nicm 296: static void
1.49 nicm 297: tty_term_override(struct tty_term *term, const char *override)
1.1 nicm 298: {
1.19 nicm 299: const struct tty_term_code_entry *ent;
300: struct tty_code *code;
1.49 nicm 301: char *next, *s, *copy, *cp, *value;
1.19 nicm 302: const char *errstr;
303: u_int i;
1.49 nicm 304: int n, remove;
1.5 nicm 305:
1.49 nicm 306: copy = next = xstrdup(override);
1.5 nicm 307:
1.49 nicm 308: s = strsep(&next, ":");
309: if (s == NULL || next == NULL || fnmatch(s, term->name, 0) != 0) {
310: free(copy);
311: return;
312: }
1.16 nicm 313:
1.49 nicm 314: while ((s = strsep(&next, ":")) != NULL) {
315: if (*s == '\0')
1.5 nicm 316: continue;
1.49 nicm 317: value = NULL;
318:
319: remove = 0;
320: if ((cp = strchr(s, '=')) != NULL) {
321: *cp++ = '\0';
322: value = xstrdup(cp);
323: if (strunvis(value, cp) == -1) {
324: free(value);
325: value = xstrdup(cp);
326: }
327: } else if (s[strlen(s) - 1] == '@') {
328: s[strlen(s) - 1] = '\0';
329: remove = 1;
330: } else
331: value = xstrdup("");
332:
333: if (remove)
334: log_debug("%s override: %s@", term->name, s);
335: else
336: log_debug("%s override: %s=%s", term->name, s, value);
337:
338: for (i = 0; i < tty_term_ncodes(); i++) {
339: ent = &tty_term_codes[i];
340: if (strcmp(s, ent->name) != 0)
1.5 nicm 341: continue;
1.49 nicm 342: code = &term->codes[i];
1.5 nicm 343:
1.49 nicm 344: if (remove) {
345: code->type = TTYCODE_NONE;
346: continue;
347: }
348: switch (ent->type) {
349: case TTYCODE_NONE:
350: break;
351: case TTYCODE_STRING:
352: if (code->type == TTYCODE_STRING)
353: free(code->value.string);
354: code->value.string = xstrdup(value);
355: code->type = ent->type;
356: break;
357: case TTYCODE_NUMBER:
358: n = strtonum(value, 0, INT_MAX, &errstr);
359: if (errstr != NULL)
1.5 nicm 360: break;
1.49 nicm 361: code->value.number = n;
362: code->type = ent->type;
363: break;
364: case TTYCODE_FLAG:
365: code->value.flag = 1;
366: code->type = ent->type;
367: break;
1.5 nicm 368: }
1.49 nicm 369: }
1.5 nicm 370:
1.49 nicm 371: free(value);
1.1 nicm 372: }
1.29 nicm 373: free(s);
1.1 nicm 374: }
375:
376: struct tty_term *
1.33 nicm 377: tty_term_find(char *name, int fd, char **cause)
1.1 nicm 378: {
1.19 nicm 379: struct tty_term *term;
380: const struct tty_term_code_entry *ent;
381: struct tty_code *code;
1.49 nicm 382: struct options_entry *o;
383: u_int size, i;
1.19 nicm 384: int n, error;
1.48 nicm 385: const char *s, *acs;
1.1 nicm 386:
1.20 nicm 387: LIST_FOREACH(term, &tty_terms, entry) {
1.1 nicm 388: if (strcmp(term->name, name) == 0) {
389: term->references++;
390: return (term);
391: }
392: }
393:
394: log_debug("new term: %s", name);
395: term = xmalloc(sizeof *term);
396: term->name = xstrdup(name);
397: term->references = 1;
398: term->flags = 0;
1.47 nicm 399: term->codes = xcalloc(tty_term_ncodes(), sizeof *term->codes);
1.20 nicm 400: LIST_INSERT_HEAD(&tty_terms, term, entry);
1.1 nicm 401:
1.3 nicm 402: /* Set up curses terminal. */
1.1 nicm 403: if (setupterm(name, fd, &error) != OK) {
404: switch (error) {
1.4 matthieu 405: case 1:
1.43 nicm 406: xasprintf(cause, "can't use hardcopy terminal: %s",
407: name);
1.4 matthieu 408: break;
1.1 nicm 409: case 0:
1.43 nicm 410: xasprintf(cause, "missing or unsuitable terminal: %s",
411: name);
1.1 nicm 412: break;
1.4 matthieu 413: case -1:
1.1 nicm 414: xasprintf(cause, "can't find terminfo database");
415: break;
416: default:
417: xasprintf(cause, "unknown error");
418: break;
419: }
420: goto error;
421: }
422:
423: /* Fill in codes. */
1.38 nicm 424: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 425: ent = &tty_term_codes[i];
426:
1.38 nicm 427: code = &term->codes[i];
1.1 nicm 428: code->type = TTYCODE_NONE;
429: switch (ent->type) {
430: case TTYCODE_NONE:
431: break;
432: case TTYCODE_STRING:
433: s = tigetstr((char *) ent->name);
434: if (s == NULL || s == (char *) -1)
435: break;
436: code->type = TTYCODE_STRING;
437: code->value.string = tty_term_strip(s);
438: break;
439: case TTYCODE_NUMBER:
440: n = tigetnum((char *) ent->name);
441: if (n == -1 || n == -2)
442: break;
443: code->type = TTYCODE_NUMBER;
444: code->value.number = n;
445: break;
446: case TTYCODE_FLAG:
447: n = tigetflag((char *) ent->name);
448: if (n == -1)
449: break;
450: code->type = TTYCODE_FLAG;
1.40 nicm 451: code->value.flag = n;
1.1 nicm 452: break;
453: }
454: }
1.33 nicm 455:
456: /* Apply terminal overrides. */
1.49 nicm 457: o = options_get_only(global_options, "terminal-overrides");
458: if (options_array_size(o, &size) != -1) {
459: for (i = 0; i < size; i++) {
460: s = options_array_get(o, i);
461: if (s != NULL)
462: tty_term_override(term, s);
463: }
464: }
1.1 nicm 465:
1.3 nicm 466: /* Delete curses data. */
1.1 nicm 467: del_curterm(cur_term);
468:
469: /* These are always required. */
470: if (!tty_term_has(term, TTYC_CLEAR)) {
471: xasprintf(cause, "terminal does not support clear");
472: goto error;
473: }
474: if (!tty_term_has(term, TTYC_CUP)) {
475: xasprintf(cause, "terminal does not support cup");
476: goto error;
477: }
478:
479: /* These can be emulated so one of the two is required. */
480: if (!tty_term_has(term, TTYC_CUD1) && !tty_term_has(term, TTYC_CUD)) {
481: xasprintf(cause, "terminal does not support cud1 or cud");
482: goto error;
483: }
484:
1.31 nicm 485: /* Figure out if we have 256. */
1.1 nicm 486: if (tty_term_number(term, TTYC_COLORS) == 256)
487: term->flags |= TERM_256COLOURS;
488:
489: /*
490: * Terminals without xenl (eat newline glitch) wrap at at $COLUMNS - 1
491: * rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
492: *
493: * This is irritating, most notably because it is impossible to write
494: * to the very bottom-right of the screen without scrolling.
495: *
496: * Flag the terminal here and apply some workarounds in other places to
497: * do the best possible.
498: */
499: if (!tty_term_flag(term, TTYC_XENL))
500: term->flags |= TERM_EARLYWRAP;
1.18 nicm 501:
502: /* Generate ACS table. If none is present, use nearest ASCII. */
503: memset(term->acs, 0, sizeof term->acs);
504: if (tty_term_has(term, TTYC_ACSC))
505: acs = tty_term_string(term, TTYC_ACSC);
506: else
507: acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~.";
508: for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2)
509: term->acs[(u_char) acs[0]][0] = acs[1];
1.22 nicm 510:
511: /* On terminals with xterm titles (XT), fill in tsl and fsl. */
512: if (tty_term_flag(term, TTYC_XT) &&
513: !tty_term_has(term, TTYC_TSL) &&
514: !tty_term_has(term, TTYC_FSL)) {
515: code = &term->codes[TTYC_TSL];
516: code->value.string = xstrdup("\033]0;");
517: code->type = TTYCODE_STRING;
518: code = &term->codes[TTYC_FSL];
519: code->value.string = xstrdup("\007");
520: code->type = TTYCODE_STRING;
521: }
1.1 nicm 522:
523: return (term);
524:
525: error:
526: tty_term_free(term);
527: return (NULL);
528: }
529:
530: void
531: tty_term_free(struct tty_term *term)
532: {
533: u_int i;
534:
535: if (--term->references != 0)
536: return;
537:
1.20 nicm 538: LIST_REMOVE(term, entry);
1.1 nicm 539:
1.38 nicm 540: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 541: if (term->codes[i].type == TTYCODE_STRING)
1.29 nicm 542: free(term->codes[i].value.string);
1.1 nicm 543: }
1.38 nicm 544: free(term->codes);
545:
1.29 nicm 546: free(term->name);
547: free(term);
1.1 nicm 548: }
549:
550: int
551: tty_term_has(struct tty_term *term, enum tty_code_code code)
552: {
553: return (term->codes[code].type != TTYCODE_NONE);
554: }
555:
556: const char *
557: tty_term_string(struct tty_term *term, enum tty_code_code code)
558: {
559: if (!tty_term_has(term, code))
560: return ("");
561: if (term->codes[code].type != TTYCODE_STRING)
1.42 nicm 562: fatalx("not a string: %d", code);
1.1 nicm 563: return (term->codes[code].value.string);
564: }
565:
566: const char *
567: tty_term_string1(struct tty_term *term, enum tty_code_code code, int a)
568: {
569: return (tparm((char *) tty_term_string(term, code), a));
570: }
571:
572: const char *
573: tty_term_string2(struct tty_term *term, enum tty_code_code code, int a, int b)
1.23 nicm 574: {
575: return (tparm((char *) tty_term_string(term, code), a, b));
1.24 nicm 576: }
577:
578: const char *
579: tty_term_ptr1(struct tty_term *term, enum tty_code_code code, const void *a)
580: {
581: return (tparm((char *) tty_term_string(term, code), a));
1.23 nicm 582: }
583:
584: const char *
1.34 nicm 585: tty_term_ptr2(struct tty_term *term, enum tty_code_code code, const void *a,
586: const void *b)
1.1 nicm 587: {
588: return (tparm((char *) tty_term_string(term, code), a, b));
589: }
590:
591: int
592: tty_term_number(struct tty_term *term, enum tty_code_code code)
593: {
594: if (!tty_term_has(term, code))
595: return (0);
596: if (term->codes[code].type != TTYCODE_NUMBER)
1.42 nicm 597: fatalx("not a number: %d", code);
1.1 nicm 598: return (term->codes[code].value.number);
599: }
600:
601: int
602: tty_term_flag(struct tty_term *term, enum tty_code_code code)
603: {
604: if (!tty_term_has(term, code))
605: return (0);
606: if (term->codes[code].type != TTYCODE_FLAG)
1.42 nicm 607: fatalx("not a flag: %d", code);
1.1 nicm 608: return (term->codes[code].value.flag);
1.38 nicm 609: }
610:
611: const char *
612: tty_term_describe(struct tty_term *term, enum tty_code_code code)
613: {
614: static char s[256];
615: char out[128];
616:
617: switch (term->codes[code].type) {
618: case TTYCODE_NONE:
619: xsnprintf(s, sizeof s, "%4u: %s: [missing]",
620: code, tty_term_codes[code].name);
621: break;
622: case TTYCODE_STRING:
623: strnvis(out, term->codes[code].value.string, sizeof out,
624: VIS_OCTAL|VIS_TAB|VIS_NL);
625: xsnprintf(s, sizeof s, "%4u: %s: (string) %s",
626: code, tty_term_codes[code].name,
627: out);
628: break;
629: case TTYCODE_NUMBER:
630: xsnprintf(s, sizeof s, "%4u: %s: (number) %d",
631: code, tty_term_codes[code].name,
632: term->codes[code].value.number);
633: break;
634: case TTYCODE_FLAG:
635: xsnprintf(s, sizeof s, "%4u: %s: (flag) %s",
636: code, tty_term_codes[code].name,
637: term->codes[code].value.flag ? "true" : "false");
638: break;
639: }
640: return (s);
1.1 nicm 641: }