Annotation of src/usr.bin/tmux/tty-term.c, Revision 1.56
1.56 ! nicm 1: /* $OpenBSD: tty-term.c,v 1.55 2017/05/31 08:43:44 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" },
1.55 nicm 245: [TTYC_SETRGBB] = { TTYCODE_STRING, "setrgbb" },
246: [TTYC_SETRGBF] = { TTYCODE_STRING, "setrgbf" },
1.38 nicm 247: [TTYC_SGR0] = { TTYCODE_STRING, "sgr0" },
248: [TTYC_SITM] = { TTYCODE_STRING, "sitm" },
249: [TTYC_SMACS] = { TTYCODE_STRING, "smacs" },
250: [TTYC_SMCUP] = { TTYCODE_STRING, "smcup" },
251: [TTYC_SMKX] = { TTYCODE_STRING, "smkx" },
252: [TTYC_SMSO] = { TTYCODE_STRING, "smso" },
253: [TTYC_SMUL] = { TTYCODE_STRING, "smul" },
1.53 nicm 254: [TTYC_SMXX] = { TTYCODE_STRING, "smxx" },
1.38 nicm 255: [TTYC_SS] = { TTYCODE_STRING, "Ss" },
1.45 nicm 256: [TTYC_TC] = { TTYCODE_FLAG, "Tc" },
1.38 nicm 257: [TTYC_TSL] = { TTYCODE_STRING, "tsl" },
258: [TTYC_VPA] = { TTYCODE_STRING, "vpa" },
1.54 nicm 259: [TTYC_U8] = { TTYCODE_NUMBER, "U8" },
1.38 nicm 260: [TTYC_XENL] = { TTYCODE_FLAG, "xenl" },
261: [TTYC_XT] = { TTYCODE_FLAG, "XT" },
262: };
263:
264: u_int
265: tty_term_ncodes(void)
266: {
267: return (nitems(tty_term_codes));
268: }
269:
1.46 nicm 270: static char *
1.1 nicm 271: tty_term_strip(const char *s)
272: {
273: const char *ptr;
274: static char buf[BUFSIZ];
275: size_t len;
276:
277: /* Ignore strings with no padding. */
278: if (strchr(s, '$') == NULL)
279: return (xstrdup(s));
280:
281: len = 0;
282: for (ptr = s; *ptr != '\0'; ptr++) {
283: if (*ptr == '$' && *(ptr + 1) == '<') {
284: while (*ptr != '\0' && *ptr != '>')
285: ptr++;
286: if (*ptr == '>')
287: ptr++;
288: }
289:
290: buf[len++] = *ptr;
291: if (len == (sizeof buf) - 1)
292: break;
293: }
294: buf[len] = '\0';
295:
296: return (xstrdup(buf));
297: }
298:
1.46 nicm 299: static void
1.49 nicm 300: tty_term_override(struct tty_term *term, const char *override)
1.1 nicm 301: {
1.19 nicm 302: const struct tty_term_code_entry *ent;
303: struct tty_code *code;
1.49 nicm 304: char *next, *s, *copy, *cp, *value;
1.19 nicm 305: const char *errstr;
306: u_int i;
1.49 nicm 307: int n, remove;
1.5 nicm 308:
1.49 nicm 309: copy = next = xstrdup(override);
1.5 nicm 310:
1.49 nicm 311: s = strsep(&next, ":");
312: if (s == NULL || next == NULL || fnmatch(s, term->name, 0) != 0) {
313: free(copy);
314: return;
315: }
1.16 nicm 316:
1.49 nicm 317: while ((s = strsep(&next, ":")) != NULL) {
318: if (*s == '\0')
1.5 nicm 319: continue;
1.49 nicm 320: value = NULL;
321:
322: remove = 0;
323: if ((cp = strchr(s, '=')) != NULL) {
324: *cp++ = '\0';
325: value = xstrdup(cp);
326: if (strunvis(value, cp) == -1) {
327: free(value);
328: value = xstrdup(cp);
329: }
330: } else if (s[strlen(s) - 1] == '@') {
331: s[strlen(s) - 1] = '\0';
332: remove = 1;
333: } else
334: value = xstrdup("");
335:
336: if (remove)
337: log_debug("%s override: %s@", term->name, s);
338: else
339: log_debug("%s override: %s=%s", term->name, s, value);
340:
341: for (i = 0; i < tty_term_ncodes(); i++) {
342: ent = &tty_term_codes[i];
343: if (strcmp(s, ent->name) != 0)
1.5 nicm 344: continue;
1.49 nicm 345: code = &term->codes[i];
1.5 nicm 346:
1.49 nicm 347: if (remove) {
348: code->type = TTYCODE_NONE;
349: continue;
350: }
351: switch (ent->type) {
352: case TTYCODE_NONE:
353: break;
354: case TTYCODE_STRING:
355: if (code->type == TTYCODE_STRING)
356: free(code->value.string);
357: code->value.string = xstrdup(value);
358: code->type = ent->type;
359: break;
360: case TTYCODE_NUMBER:
361: n = strtonum(value, 0, INT_MAX, &errstr);
362: if (errstr != NULL)
1.5 nicm 363: break;
1.49 nicm 364: code->value.number = n;
365: code->type = ent->type;
366: break;
367: case TTYCODE_FLAG:
368: code->value.flag = 1;
369: code->type = ent->type;
370: break;
1.5 nicm 371: }
1.49 nicm 372: }
1.5 nicm 373:
1.49 nicm 374: free(value);
1.1 nicm 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;
1.49 nicm 385: struct options_entry *o;
386: u_int size, i;
1.19 nicm 387: int n, error;
1.48 nicm 388: const char *s, *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: }
1.56 ! nicm 396: log_debug("new term: %s", name);
1.1 nicm 397:
398: term = xmalloc(sizeof *term);
399: term->name = xstrdup(name);
400: term->references = 1;
401: term->flags = 0;
1.47 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:
1.43 nicm 409: xasprintf(cause, "can't use hardcopy terminal: %s",
410: name);
1.4 matthieu 411: break;
1.1 nicm 412: case 0:
1.43 nicm 413: xasprintf(cause, "missing or unsuitable terminal: %s",
414: 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. */
1.49 nicm 460: o = options_get_only(global_options, "terminal-overrides");
461: if (options_array_size(o, &size) != -1) {
462: for (i = 0; i < size; i++) {
463: s = options_array_get(o, i);
464: if (s != NULL)
465: tty_term_override(term, s);
466: }
467: }
1.1 nicm 468:
1.3 nicm 469: /* Delete curses data. */
1.1 nicm 470: del_curterm(cur_term);
471:
472: /* These are always required. */
473: if (!tty_term_has(term, TTYC_CLEAR)) {
474: xasprintf(cause, "terminal does not support clear");
475: goto error;
476: }
477: if (!tty_term_has(term, TTYC_CUP)) {
478: xasprintf(cause, "terminal does not support cup");
479: goto error;
480: }
481:
482: /* These can be emulated so one of the two is required. */
483: if (!tty_term_has(term, TTYC_CUD1) && !tty_term_has(term, TTYC_CUD)) {
484: xasprintf(cause, "terminal does not support cud1 or cud");
485: goto error;
486: }
487:
1.31 nicm 488: /* Figure out if we have 256. */
1.1 nicm 489: if (tty_term_number(term, TTYC_COLORS) == 256)
490: term->flags |= TERM_256COLOURS;
491:
492: /*
493: * Terminals without xenl (eat newline glitch) wrap at at $COLUMNS - 1
494: * rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
495: *
496: * This is irritating, most notably because it is impossible to write
497: * to the very bottom-right of the screen without scrolling.
498: *
499: * Flag the terminal here and apply some workarounds in other places to
500: * do the best possible.
501: */
502: if (!tty_term_flag(term, TTYC_XENL))
503: term->flags |= TERM_EARLYWRAP;
1.18 nicm 504:
505: /* Generate ACS table. If none is present, use nearest ASCII. */
506: memset(term->acs, 0, sizeof term->acs);
507: if (tty_term_has(term, TTYC_ACSC))
508: acs = tty_term_string(term, TTYC_ACSC);
509: else
510: acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~.";
511: for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2)
512: term->acs[(u_char) acs[0]][0] = acs[1];
1.22 nicm 513:
514: /* On terminals with xterm titles (XT), fill in tsl and fsl. */
515: if (tty_term_flag(term, TTYC_XT) &&
516: !tty_term_has(term, TTYC_TSL) &&
517: !tty_term_has(term, TTYC_FSL)) {
518: code = &term->codes[TTYC_TSL];
519: code->value.string = xstrdup("\033]0;");
520: code->type = TTYCODE_STRING;
521: code = &term->codes[TTYC_FSL];
522: code->value.string = xstrdup("\007");
523: code->type = TTYCODE_STRING;
524: }
1.1 nicm 525:
1.55 nicm 526: /* On terminals with RGB colour (TC), fill in setrgbf and setrgbb. */
527: if (tty_term_flag(term, TTYC_TC) &&
528: !tty_term_has(term, TTYC_SETRGBF) &&
529: !tty_term_has(term, TTYC_SETRGBB)) {
530: code = &term->codes[TTYC_SETRGBF];
531: code->value.string = xstrdup("\033[38;2;%p1%d;%p2%d;%p3%dm");
532: code->type = TTYCODE_STRING;
533: code = &term->codes[TTYC_SETRGBB];
534: code->value.string = xstrdup("\033[48;2;%p1%d;%p2%d;%p3%dm");
535: code->type = TTYCODE_STRING;
536: }
1.56 ! nicm 537:
! 538: /* Log it. */
! 539: for (i = 0; i < tty_term_ncodes(); i++)
! 540: log_debug("%s%s", name, tty_term_describe(term, i));
1.55 nicm 541:
1.1 nicm 542: return (term);
543:
544: error:
545: tty_term_free(term);
546: return (NULL);
547: }
548:
549: void
550: tty_term_free(struct tty_term *term)
551: {
552: u_int i;
553:
554: if (--term->references != 0)
555: return;
556:
1.20 nicm 557: LIST_REMOVE(term, entry);
1.1 nicm 558:
1.38 nicm 559: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 560: if (term->codes[i].type == TTYCODE_STRING)
1.29 nicm 561: free(term->codes[i].value.string);
1.1 nicm 562: }
1.38 nicm 563: free(term->codes);
564:
1.29 nicm 565: free(term->name);
566: free(term);
1.1 nicm 567: }
568:
569: int
570: tty_term_has(struct tty_term *term, enum tty_code_code code)
571: {
572: return (term->codes[code].type != TTYCODE_NONE);
573: }
574:
575: const char *
576: tty_term_string(struct tty_term *term, enum tty_code_code code)
577: {
578: if (!tty_term_has(term, code))
579: return ("");
580: if (term->codes[code].type != TTYCODE_STRING)
1.42 nicm 581: fatalx("not a string: %d", code);
1.1 nicm 582: return (term->codes[code].value.string);
583: }
584:
585: const char *
586: tty_term_string1(struct tty_term *term, enum tty_code_code code, int a)
587: {
588: return (tparm((char *) tty_term_string(term, code), a));
589: }
590:
591: const char *
592: tty_term_string2(struct tty_term *term, enum tty_code_code code, int a, int b)
1.23 nicm 593: {
594: return (tparm((char *) tty_term_string(term, code), a, b));
1.55 nicm 595: }
596:
597: const char *
598: tty_term_string3(struct tty_term *term, enum tty_code_code code, int a, int b, int c)
599: {
600: return (tparm((char *) tty_term_string(term, code), a, b, c));
1.24 nicm 601: }
602:
603: const char *
604: tty_term_ptr1(struct tty_term *term, enum tty_code_code code, const void *a)
605: {
606: return (tparm((char *) tty_term_string(term, code), a));
1.23 nicm 607: }
608:
609: const char *
1.34 nicm 610: tty_term_ptr2(struct tty_term *term, enum tty_code_code code, const void *a,
611: const void *b)
1.1 nicm 612: {
613: return (tparm((char *) tty_term_string(term, code), a, b));
614: }
615:
616: int
617: tty_term_number(struct tty_term *term, enum tty_code_code code)
618: {
619: if (!tty_term_has(term, code))
620: return (0);
621: if (term->codes[code].type != TTYCODE_NUMBER)
1.42 nicm 622: fatalx("not a number: %d", code);
1.1 nicm 623: return (term->codes[code].value.number);
624: }
625:
626: int
627: tty_term_flag(struct tty_term *term, enum tty_code_code code)
628: {
629: if (!tty_term_has(term, code))
630: return (0);
631: if (term->codes[code].type != TTYCODE_FLAG)
1.42 nicm 632: fatalx("not a flag: %d", code);
1.1 nicm 633: return (term->codes[code].value.flag);
1.38 nicm 634: }
635:
636: const char *
637: tty_term_describe(struct tty_term *term, enum tty_code_code code)
638: {
639: static char s[256];
640: char out[128];
641:
642: switch (term->codes[code].type) {
643: case TTYCODE_NONE:
644: xsnprintf(s, sizeof s, "%4u: %s: [missing]",
645: code, tty_term_codes[code].name);
646: break;
647: case TTYCODE_STRING:
648: strnvis(out, term->codes[code].value.string, sizeof out,
649: VIS_OCTAL|VIS_TAB|VIS_NL);
650: xsnprintf(s, sizeof s, "%4u: %s: (string) %s",
651: code, tty_term_codes[code].name,
652: out);
653: break;
654: case TTYCODE_NUMBER:
655: xsnprintf(s, sizeof s, "%4u: %s: (number) %d",
656: code, tty_term_codes[code].name,
657: term->codes[code].value.number);
658: break;
659: case TTYCODE_FLAG:
660: xsnprintf(s, sizeof s, "%4u: %s: (flag) %s",
661: code, tty_term_codes[code].name,
662: term->codes[code].value.flag ? "true" : "false");
663: break;
664: }
665: return (s);
1.1 nicm 666: }
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