Annotation of src/usr.bin/tmux/tty-term.c, Revision 1.63
1.63 ! nicm 1: /* $OpenBSD: tty-term.c,v 1.62 2019/04/23 20:36:55 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" },
1.57 nicm 68: [TTYC_CSR] = { TTYCODE_STRING, "csr" },
1.38 nicm 69: [TTYC_CS] = { TTYCODE_STRING, "Cs" },
1.57 nicm 70: [TTYC_CUB1] = { TTYCODE_STRING, "cub1" },
1.38 nicm 71: [TTYC_CUB] = { TTYCODE_STRING, "cub" },
1.57 nicm 72: [TTYC_CUD1] = { TTYCODE_STRING, "cud1" },
1.38 nicm 73: [TTYC_CUD] = { TTYCODE_STRING, "cud" },
1.57 nicm 74: [TTYC_CUF1] = { TTYCODE_STRING, "cuf1" },
1.38 nicm 75: [TTYC_CUF] = { TTYCODE_STRING, "cuf" },
76: [TTYC_CUP] = { TTYCODE_STRING, "cup" },
1.57 nicm 77: [TTYC_CUU1] = { TTYCODE_STRING, "cuu1" },
1.38 nicm 78: [TTYC_CUU] = { TTYCODE_STRING, "cuu" },
79: [TTYC_CVVIS] = { TTYCODE_STRING, "cvvis" },
1.57 nicm 80: [TTYC_DCH1] = { TTYCODE_STRING, "dch1" },
1.38 nicm 81: [TTYC_DCH] = { TTYCODE_STRING, "dch" },
82: [TTYC_DIM] = { TTYCODE_STRING, "dim" },
1.57 nicm 83: [TTYC_DL1] = { TTYCODE_STRING, "dl1" },
1.38 nicm 84: [TTYC_DL] = { TTYCODE_STRING, "dl" },
85: [TTYC_E3] = { TTYCODE_STRING, "E3" },
86: [TTYC_ECH] = { TTYCODE_STRING, "ech" },
1.50 nicm 87: [TTYC_ED] = { TTYCODE_STRING, "ed" },
1.57 nicm 88: [TTYC_EL1] = { TTYCODE_STRING, "el1" },
1.38 nicm 89: [TTYC_EL] = { TTYCODE_STRING, "el" },
90: [TTYC_ENACS] = { TTYCODE_STRING, "enacs" },
91: [TTYC_FSL] = { TTYCODE_STRING, "fsl" },
92: [TTYC_HOME] = { TTYCODE_STRING, "home" },
93: [TTYC_HPA] = { TTYCODE_STRING, "hpa" },
1.57 nicm 94: [TTYC_ICH1] = { TTYCODE_STRING, "ich1" },
1.38 nicm 95: [TTYC_ICH] = { TTYCODE_STRING, "ich" },
1.57 nicm 96: [TTYC_IL1] = { TTYCODE_STRING, "il1" },
1.38 nicm 97: [TTYC_IL] = { TTYCODE_STRING, "il" },
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" },
1.57 nicm 112: [TTYC_KDN2] = { TTYCODE_STRING, "kDN" }, /* not kDN2 */
1.38 nicm 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_KEND2] = { TTYCODE_STRING, "kEND" },
119: [TTYC_KEND3] = { TTYCODE_STRING, "kEND3" },
120: [TTYC_KEND4] = { TTYCODE_STRING, "kEND4" },
121: [TTYC_KEND5] = { TTYCODE_STRING, "kEND5" },
122: [TTYC_KEND6] = { TTYCODE_STRING, "kEND6" },
123: [TTYC_KEND7] = { TTYCODE_STRING, "kEND7" },
1.57 nicm 124: [TTYC_KEND] = { TTYCODE_STRING, "kend" },
1.38 nicm 125: [TTYC_KF10] = { TTYCODE_STRING, "kf10" },
126: [TTYC_KF11] = { TTYCODE_STRING, "kf11" },
127: [TTYC_KF12] = { TTYCODE_STRING, "kf12" },
128: [TTYC_KF13] = { TTYCODE_STRING, "kf13" },
129: [TTYC_KF14] = { TTYCODE_STRING, "kf14" },
130: [TTYC_KF15] = { TTYCODE_STRING, "kf15" },
131: [TTYC_KF16] = { TTYCODE_STRING, "kf16" },
132: [TTYC_KF17] = { TTYCODE_STRING, "kf17" },
133: [TTYC_KF18] = { TTYCODE_STRING, "kf18" },
134: [TTYC_KF19] = { TTYCODE_STRING, "kf19" },
1.57 nicm 135: [TTYC_KF1] = { TTYCODE_STRING, "kf1" },
1.38 nicm 136: [TTYC_KF20] = { TTYCODE_STRING, "kf20" },
137: [TTYC_KF21] = { TTYCODE_STRING, "kf21" },
138: [TTYC_KF22] = { TTYCODE_STRING, "kf22" },
139: [TTYC_KF23] = { TTYCODE_STRING, "kf23" },
140: [TTYC_KF24] = { TTYCODE_STRING, "kf24" },
141: [TTYC_KF25] = { TTYCODE_STRING, "kf25" },
142: [TTYC_KF26] = { TTYCODE_STRING, "kf26" },
143: [TTYC_KF27] = { TTYCODE_STRING, "kf27" },
144: [TTYC_KF28] = { TTYCODE_STRING, "kf28" },
145: [TTYC_KF29] = { TTYCODE_STRING, "kf29" },
1.57 nicm 146: [TTYC_KF2] = { TTYCODE_STRING, "kf2" },
1.38 nicm 147: [TTYC_KF30] = { TTYCODE_STRING, "kf30" },
148: [TTYC_KF31] = { TTYCODE_STRING, "kf31" },
149: [TTYC_KF32] = { TTYCODE_STRING, "kf32" },
150: [TTYC_KF33] = { TTYCODE_STRING, "kf33" },
151: [TTYC_KF34] = { TTYCODE_STRING, "kf34" },
152: [TTYC_KF35] = { TTYCODE_STRING, "kf35" },
153: [TTYC_KF36] = { TTYCODE_STRING, "kf36" },
154: [TTYC_KF37] = { TTYCODE_STRING, "kf37" },
155: [TTYC_KF38] = { TTYCODE_STRING, "kf38" },
156: [TTYC_KF39] = { TTYCODE_STRING, "kf39" },
1.57 nicm 157: [TTYC_KF3] = { TTYCODE_STRING, "kf3" },
1.38 nicm 158: [TTYC_KF40] = { TTYCODE_STRING, "kf40" },
159: [TTYC_KF41] = { TTYCODE_STRING, "kf41" },
160: [TTYC_KF42] = { TTYCODE_STRING, "kf42" },
161: [TTYC_KF43] = { TTYCODE_STRING, "kf43" },
162: [TTYC_KF44] = { TTYCODE_STRING, "kf44" },
163: [TTYC_KF45] = { TTYCODE_STRING, "kf45" },
164: [TTYC_KF46] = { TTYCODE_STRING, "kf46" },
165: [TTYC_KF47] = { TTYCODE_STRING, "kf47" },
166: [TTYC_KF48] = { TTYCODE_STRING, "kf48" },
167: [TTYC_KF49] = { TTYCODE_STRING, "kf49" },
1.57 nicm 168: [TTYC_KF4] = { TTYCODE_STRING, "kf4" },
1.38 nicm 169: [TTYC_KF50] = { TTYCODE_STRING, "kf50" },
170: [TTYC_KF51] = { TTYCODE_STRING, "kf51" },
171: [TTYC_KF52] = { TTYCODE_STRING, "kf52" },
172: [TTYC_KF53] = { TTYCODE_STRING, "kf53" },
173: [TTYC_KF54] = { TTYCODE_STRING, "kf54" },
174: [TTYC_KF55] = { TTYCODE_STRING, "kf55" },
175: [TTYC_KF56] = { TTYCODE_STRING, "kf56" },
176: [TTYC_KF57] = { TTYCODE_STRING, "kf57" },
177: [TTYC_KF58] = { TTYCODE_STRING, "kf58" },
178: [TTYC_KF59] = { TTYCODE_STRING, "kf59" },
1.57 nicm 179: [TTYC_KF5] = { TTYCODE_STRING, "kf5" },
1.38 nicm 180: [TTYC_KF60] = { TTYCODE_STRING, "kf60" },
181: [TTYC_KF61] = { TTYCODE_STRING, "kf61" },
182: [TTYC_KF62] = { TTYCODE_STRING, "kf62" },
183: [TTYC_KF63] = { TTYCODE_STRING, "kf63" },
1.57 nicm 184: [TTYC_KF6] = { TTYCODE_STRING, "kf6" },
1.38 nicm 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" },
1.57 nicm 202: [TTYC_KIND] = { TTYCODE_STRING, "kind" },
1.38 nicm 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" },
1.57 nicm 230: [TTYC_KRI] = { TTYCODE_STRING, "kri" },
231: [TTYC_KUP2] = { TTYCODE_STRING, "kUP" }, /* not kUP2 */
1.38 nicm 232: [TTYC_KUP3] = { TTYCODE_STRING, "kUP3" },
233: [TTYC_KUP4] = { TTYCODE_STRING, "kUP4" },
234: [TTYC_KUP5] = { TTYCODE_STRING, "kUP5" },
235: [TTYC_KUP6] = { TTYCODE_STRING, "kUP6" },
236: [TTYC_KUP7] = { TTYCODE_STRING, "kUP7" },
237: [TTYC_MS] = { TTYCODE_STRING, "Ms" },
238: [TTYC_OP] = { TTYCODE_STRING, "op" },
239: [TTYC_REV] = { TTYCODE_STRING, "rev" },
1.58 nicm 240: [TTYC_RGB] = { TTYCODE_FLAG, "RGB" },
1.38 nicm 241: [TTYC_RI] = { TTYCODE_STRING, "ri" },
242: [TTYC_RMACS] = { TTYCODE_STRING, "rmacs" },
243: [TTYC_RMCUP] = { TTYCODE_STRING, "rmcup" },
244: [TTYC_RMKX] = { TTYCODE_STRING, "rmkx" },
245: [TTYC_SETAB] = { TTYCODE_STRING, "setab" },
246: [TTYC_SETAF] = { TTYCODE_STRING, "setaf" },
1.55 nicm 247: [TTYC_SETRGBB] = { TTYCODE_STRING, "setrgbb" },
248: [TTYC_SETRGBF] = { TTYCODE_STRING, "setrgbf" },
1.57 nicm 249: [TTYC_SE] = { TTYCODE_STRING, "Se" },
1.38 nicm 250: [TTYC_SGR0] = { TTYCODE_STRING, "sgr0" },
251: [TTYC_SITM] = { TTYCODE_STRING, "sitm" },
252: [TTYC_SMACS] = { TTYCODE_STRING, "smacs" },
253: [TTYC_SMCUP] = { TTYCODE_STRING, "smcup" },
254: [TTYC_SMKX] = { TTYCODE_STRING, "smkx" },
255: [TTYC_SMSO] = { TTYCODE_STRING, "smso" },
1.60 nicm 256: [TTYC_SMULX] = { TTYCODE_STRING, "Smulx" },
1.38 nicm 257: [TTYC_SMUL] = { TTYCODE_STRING, "smul" },
1.53 nicm 258: [TTYC_SMXX] = { TTYCODE_STRING, "smxx" },
1.38 nicm 259: [TTYC_SS] = { TTYCODE_STRING, "Ss" },
1.45 nicm 260: [TTYC_TC] = { TTYCODE_FLAG, "Tc" },
1.38 nicm 261: [TTYC_TSL] = { TTYCODE_STRING, "tsl" },
1.57 nicm 262: [TTYC_U8] = { TTYCODE_NUMBER, "U8" },
1.38 nicm 263: [TTYC_VPA] = { TTYCODE_STRING, "vpa" },
264: [TTYC_XENL] = { TTYCODE_FLAG, "xenl" },
265: [TTYC_XT] = { TTYCODE_FLAG, "XT" },
266: };
267:
268: u_int
269: tty_term_ncodes(void)
270: {
271: return (nitems(tty_term_codes));
272: }
273:
1.46 nicm 274: static char *
1.1 nicm 275: tty_term_strip(const char *s)
276: {
277: const char *ptr;
278: static char buf[BUFSIZ];
279: size_t len;
280:
281: /* Ignore strings with no padding. */
282: if (strchr(s, '$') == NULL)
283: return (xstrdup(s));
284:
285: len = 0;
286: for (ptr = s; *ptr != '\0'; ptr++) {
287: if (*ptr == '$' && *(ptr + 1) == '<') {
288: while (*ptr != '\0' && *ptr != '>')
289: ptr++;
290: if (*ptr == '>')
291: ptr++;
292: }
293:
294: buf[len++] = *ptr;
295: if (len == (sizeof buf) - 1)
296: break;
297: }
298: buf[len] = '\0';
299:
300: return (xstrdup(buf));
301: }
302:
1.60 nicm 303: static char *
304: tty_term_override_next(const char *s, size_t *offset)
305: {
306: static char value[BUFSIZ];
307: size_t n = 0, at = *offset;
308:
309: if (s[at] == '\0')
310: return (NULL);
311:
312: while (s[at] != '\0') {
313: if (s[at] == ':') {
314: if (s[at + 1] == ':') {
315: value[n++] = ':';
316: at += 2;
317: } else
318: break;
319: } else {
320: value[n++] = s[at];
321: at++;
322: }
323: if (n == (sizeof value) - 1)
324: return (NULL);
325: }
326: if (s[at] != '\0')
327: *offset = at + 1;
328: else
329: *offset = at;
330: value[n] = '\0';
331: return (value);
332: }
333:
1.46 nicm 334: static void
1.49 nicm 335: tty_term_override(struct tty_term *term, const char *override)
1.1 nicm 336: {
1.19 nicm 337: const struct tty_term_code_entry *ent;
338: struct tty_code *code;
1.60 nicm 339: size_t offset = 0;
340: char *cp, *value, *s;
1.19 nicm 341: const char *errstr;
342: u_int i;
1.49 nicm 343: int n, remove;
1.5 nicm 344:
1.60 nicm 345: s = tty_term_override_next(override, &offset);
346: if (s == NULL || fnmatch(s, term->name, 0) != 0)
1.49 nicm 347: return;
1.16 nicm 348:
1.60 nicm 349: while ((s = tty_term_override_next(override, &offset)) != NULL) {
1.49 nicm 350: if (*s == '\0')
1.5 nicm 351: continue;
1.49 nicm 352: value = NULL;
353:
354: remove = 0;
355: if ((cp = strchr(s, '=')) != NULL) {
356: *cp++ = '\0';
357: value = xstrdup(cp);
358: if (strunvis(value, cp) == -1) {
359: free(value);
360: value = xstrdup(cp);
361: }
362: } else if (s[strlen(s) - 1] == '@') {
363: s[strlen(s) - 1] = '\0';
364: remove = 1;
365: } else
366: value = xstrdup("");
367:
368: if (remove)
369: log_debug("%s override: %s@", term->name, s);
1.60 nicm 370: else if (*value == '\0')
371: log_debug("%s override: %s", term->name, s);
1.49 nicm 372: else
373: log_debug("%s override: %s=%s", term->name, s, value);
374:
375: for (i = 0; i < tty_term_ncodes(); i++) {
376: ent = &tty_term_codes[i];
377: if (strcmp(s, ent->name) != 0)
1.5 nicm 378: continue;
1.49 nicm 379: code = &term->codes[i];
1.5 nicm 380:
1.49 nicm 381: if (remove) {
382: code->type = TTYCODE_NONE;
383: continue;
384: }
385: switch (ent->type) {
386: case TTYCODE_NONE:
387: break;
388: case TTYCODE_STRING:
389: if (code->type == TTYCODE_STRING)
390: free(code->value.string);
391: code->value.string = xstrdup(value);
392: code->type = ent->type;
393: break;
394: case TTYCODE_NUMBER:
395: n = strtonum(value, 0, INT_MAX, &errstr);
396: if (errstr != NULL)
1.5 nicm 397: break;
1.49 nicm 398: code->value.number = n;
399: code->type = ent->type;
400: break;
401: case TTYCODE_FLAG:
402: code->value.flag = 1;
403: code->type = ent->type;
404: break;
1.5 nicm 405: }
1.49 nicm 406: }
1.5 nicm 407:
1.49 nicm 408: free(value);
1.1 nicm 409: }
410: }
411:
412: struct tty_term *
1.33 nicm 413: tty_term_find(char *name, int fd, char **cause)
1.1 nicm 414: {
1.19 nicm 415: struct tty_term *term;
416: const struct tty_term_code_entry *ent;
417: struct tty_code *code;
1.49 nicm 418: struct options_entry *o;
1.61 nicm 419: struct options_array_item *a;
1.62 nicm 420: union options_value *ov;
1.61 nicm 421: u_int i;
1.19 nicm 422: int n, error;
1.48 nicm 423: const char *s, *acs;
1.1 nicm 424:
1.20 nicm 425: LIST_FOREACH(term, &tty_terms, entry) {
1.1 nicm 426: if (strcmp(term->name, name) == 0) {
427: term->references++;
428: return (term);
429: }
430: }
1.56 nicm 431: log_debug("new term: %s", name);
1.1 nicm 432:
433: term = xmalloc(sizeof *term);
434: term->name = xstrdup(name);
435: term->references = 1;
436: term->flags = 0;
1.47 nicm 437: term->codes = xcalloc(tty_term_ncodes(), sizeof *term->codes);
1.20 nicm 438: LIST_INSERT_HEAD(&tty_terms, term, entry);
1.1 nicm 439:
1.3 nicm 440: /* Set up curses terminal. */
1.1 nicm 441: if (setupterm(name, fd, &error) != OK) {
442: switch (error) {
1.4 matthieu 443: case 1:
1.43 nicm 444: xasprintf(cause, "can't use hardcopy terminal: %s",
445: name);
1.4 matthieu 446: break;
1.1 nicm 447: case 0:
1.43 nicm 448: xasprintf(cause, "missing or unsuitable terminal: %s",
449: name);
1.1 nicm 450: break;
1.4 matthieu 451: case -1:
1.1 nicm 452: xasprintf(cause, "can't find terminfo database");
453: break;
454: default:
455: xasprintf(cause, "unknown error");
456: break;
457: }
458: goto error;
459: }
460:
461: /* Fill in codes. */
1.38 nicm 462: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 463: ent = &tty_term_codes[i];
464:
1.38 nicm 465: code = &term->codes[i];
1.1 nicm 466: code->type = TTYCODE_NONE;
467: switch (ent->type) {
468: case TTYCODE_NONE:
469: break;
470: case TTYCODE_STRING:
471: s = tigetstr((char *) ent->name);
472: if (s == NULL || s == (char *) -1)
473: break;
474: code->type = TTYCODE_STRING;
475: code->value.string = tty_term_strip(s);
476: break;
477: case TTYCODE_NUMBER:
478: n = tigetnum((char *) ent->name);
479: if (n == -1 || n == -2)
480: break;
481: code->type = TTYCODE_NUMBER;
482: code->value.number = n;
483: break;
484: case TTYCODE_FLAG:
485: n = tigetflag((char *) ent->name);
486: if (n == -1)
487: break;
488: code->type = TTYCODE_FLAG;
1.40 nicm 489: code->value.flag = n;
1.1 nicm 490: break;
491: }
492: }
1.33 nicm 493:
494: /* Apply terminal overrides. */
1.49 nicm 495: o = options_get_only(global_options, "terminal-overrides");
1.61 nicm 496: a = options_array_first(o);
497: while (a != NULL) {
1.62 nicm 498: ov = options_array_item_value(a);
1.63 ! nicm 499: tty_term_override(term, ov->string);
1.61 nicm 500: a = options_array_next(a);
1.49 nicm 501: }
1.1 nicm 502:
1.3 nicm 503: /* Delete curses data. */
1.1 nicm 504: del_curterm(cur_term);
505:
506: /* These are always required. */
507: if (!tty_term_has(term, TTYC_CLEAR)) {
508: xasprintf(cause, "terminal does not support clear");
509: goto error;
510: }
511: if (!tty_term_has(term, TTYC_CUP)) {
512: xasprintf(cause, "terminal does not support cup");
513: goto error;
514: }
515:
516: /* These can be emulated so one of the two is required. */
517: if (!tty_term_has(term, TTYC_CUD1) && !tty_term_has(term, TTYC_CUD)) {
518: xasprintf(cause, "terminal does not support cud1 or cud");
519: goto error;
520: }
521:
1.59 nicm 522: /* Figure out if we have 256 colours (or more). */
523: if (tty_term_number(term, TTYC_COLORS) >= 256 ||
524: tty_term_has(term, TTYC_RGB))
1.1 nicm 525: term->flags |= TERM_256COLOURS;
526:
527: /*
528: * Terminals without xenl (eat newline glitch) wrap at at $COLUMNS - 1
529: * rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
530: *
531: * This is irritating, most notably because it is impossible to write
532: * to the very bottom-right of the screen without scrolling.
533: *
534: * Flag the terminal here and apply some workarounds in other places to
535: * do the best possible.
536: */
537: if (!tty_term_flag(term, TTYC_XENL))
538: term->flags |= TERM_EARLYWRAP;
1.18 nicm 539:
540: /* Generate ACS table. If none is present, use nearest ASCII. */
541: memset(term->acs, 0, sizeof term->acs);
542: if (tty_term_has(term, TTYC_ACSC))
543: acs = tty_term_string(term, TTYC_ACSC);
544: else
545: acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~.";
546: for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2)
547: term->acs[(u_char) acs[0]][0] = acs[1];
1.22 nicm 548:
549: /* On terminals with xterm titles (XT), fill in tsl and fsl. */
550: if (tty_term_flag(term, TTYC_XT) &&
551: !tty_term_has(term, TTYC_TSL) &&
552: !tty_term_has(term, TTYC_FSL)) {
553: code = &term->codes[TTYC_TSL];
554: code->value.string = xstrdup("\033]0;");
555: code->type = TTYCODE_STRING;
556: code = &term->codes[TTYC_FSL];
557: code->value.string = xstrdup("\007");
558: code->type = TTYCODE_STRING;
559: }
1.1 nicm 560:
1.58 nicm 561: /*
562: * On terminals with RGB colour (Tc or RGB), fill in setrgbf and
563: * setrgbb if they are missing.
564: */
565: if ((tty_term_flag(term, TTYC_TC) || tty_term_flag(term, TTYC_RGB)) &&
1.55 nicm 566: !tty_term_has(term, TTYC_SETRGBF) &&
567: !tty_term_has(term, TTYC_SETRGBB)) {
568: code = &term->codes[TTYC_SETRGBF];
569: code->value.string = xstrdup("\033[38;2;%p1%d;%p2%d;%p3%dm");
570: code->type = TTYCODE_STRING;
571: code = &term->codes[TTYC_SETRGBB];
572: code->value.string = xstrdup("\033[48;2;%p1%d;%p2%d;%p3%dm");
573: code->type = TTYCODE_STRING;
574: }
1.56 nicm 575:
576: /* Log it. */
577: for (i = 0; i < tty_term_ncodes(); i++)
578: log_debug("%s%s", name, tty_term_describe(term, i));
1.55 nicm 579:
1.1 nicm 580: return (term);
581:
582: error:
583: tty_term_free(term);
584: return (NULL);
585: }
586:
587: void
588: tty_term_free(struct tty_term *term)
589: {
590: u_int i;
591:
592: if (--term->references != 0)
593: return;
594:
1.20 nicm 595: LIST_REMOVE(term, entry);
1.1 nicm 596:
1.38 nicm 597: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 598: if (term->codes[i].type == TTYCODE_STRING)
1.29 nicm 599: free(term->codes[i].value.string);
1.1 nicm 600: }
1.38 nicm 601: free(term->codes);
602:
1.29 nicm 603: free(term->name);
604: free(term);
1.1 nicm 605: }
606:
607: int
608: tty_term_has(struct tty_term *term, enum tty_code_code code)
609: {
610: return (term->codes[code].type != TTYCODE_NONE);
611: }
612:
613: const char *
614: tty_term_string(struct tty_term *term, enum tty_code_code code)
615: {
616: if (!tty_term_has(term, code))
617: return ("");
618: if (term->codes[code].type != TTYCODE_STRING)
1.42 nicm 619: fatalx("not a string: %d", code);
1.1 nicm 620: return (term->codes[code].value.string);
621: }
622:
623: const char *
624: tty_term_string1(struct tty_term *term, enum tty_code_code code, int a)
625: {
626: return (tparm((char *) tty_term_string(term, code), a));
627: }
628:
629: const char *
630: tty_term_string2(struct tty_term *term, enum tty_code_code code, int a, int b)
1.23 nicm 631: {
632: return (tparm((char *) tty_term_string(term, code), a, b));
1.55 nicm 633: }
634:
635: const char *
636: tty_term_string3(struct tty_term *term, enum tty_code_code code, int a, int b, int c)
637: {
638: return (tparm((char *) tty_term_string(term, code), a, b, c));
1.24 nicm 639: }
640:
641: const char *
642: tty_term_ptr1(struct tty_term *term, enum tty_code_code code, const void *a)
643: {
644: return (tparm((char *) tty_term_string(term, code), a));
1.23 nicm 645: }
646:
647: const char *
1.34 nicm 648: tty_term_ptr2(struct tty_term *term, enum tty_code_code code, const void *a,
649: const void *b)
1.1 nicm 650: {
651: return (tparm((char *) tty_term_string(term, code), a, b));
652: }
653:
654: int
655: tty_term_number(struct tty_term *term, enum tty_code_code code)
656: {
657: if (!tty_term_has(term, code))
658: return (0);
659: if (term->codes[code].type != TTYCODE_NUMBER)
1.42 nicm 660: fatalx("not a number: %d", code);
1.1 nicm 661: return (term->codes[code].value.number);
662: }
663:
664: int
665: tty_term_flag(struct tty_term *term, enum tty_code_code code)
666: {
667: if (!tty_term_has(term, code))
668: return (0);
669: if (term->codes[code].type != TTYCODE_FLAG)
1.42 nicm 670: fatalx("not a flag: %d", code);
1.1 nicm 671: return (term->codes[code].value.flag);
1.38 nicm 672: }
673:
674: const char *
675: tty_term_describe(struct tty_term *term, enum tty_code_code code)
676: {
677: static char s[256];
678: char out[128];
679:
680: switch (term->codes[code].type) {
681: case TTYCODE_NONE:
682: xsnprintf(s, sizeof s, "%4u: %s: [missing]",
683: code, tty_term_codes[code].name);
684: break;
685: case TTYCODE_STRING:
686: strnvis(out, term->codes[code].value.string, sizeof out,
687: VIS_OCTAL|VIS_TAB|VIS_NL);
688: xsnprintf(s, sizeof s, "%4u: %s: (string) %s",
689: code, tty_term_codes[code].name,
690: out);
691: break;
692: case TTYCODE_NUMBER:
693: xsnprintf(s, sizeof s, "%4u: %s: (number) %d",
694: code, tty_term_codes[code].name,
695: term->codes[code].value.number);
696: break;
697: case TTYCODE_FLAG:
698: xsnprintf(s, sizeof s, "%4u: %s: (flag) %s",
699: code, tty_term_codes[code].name,
700: term->codes[code].value.flag ? "true" : "false");
701: break;
702: }
703: return (s);
1.1 nicm 704: }
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