Annotation of src/usr.bin/tmux/tty-term.c, Revision 1.74
1.74 ! nicm 1: /* $OpenBSD: tty-term.c,v 1.73 2020/04/20 13:25:36 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 char *tty_term_strip(const char *);
1.1 nicm 31:
1.20 nicm 32: struct tty_terms tty_terms = LIST_HEAD_INITIALIZER(tty_terms);
1.1 nicm 33:
1.38 nicm 34: enum tty_code_type {
35: TTYCODE_NONE = 0,
36: TTYCODE_STRING,
37: TTYCODE_NUMBER,
38: TTYCODE_FLAG,
1.1 nicm 39: };
40:
1.38 nicm 41: struct tty_code {
42: enum tty_code_type type;
43: union {
44: char *string;
45: int number;
46: int flag;
47: } value;
48: };
49:
50: struct tty_term_code_entry {
51: enum tty_code_type type;
52: const char *name;
53: };
54:
1.46 nicm 55: static const struct tty_term_code_entry tty_term_codes[] = {
1.38 nicm 56: [TTYC_ACSC] = { TTYCODE_STRING, "acsc" },
57: [TTYC_AX] = { TTYCODE_FLAG, "AX" },
58: [TTYC_BCE] = { TTYCODE_FLAG, "bce" },
59: [TTYC_BEL] = { TTYCODE_STRING, "bel" },
60: [TTYC_BLINK] = { TTYCODE_STRING, "blink" },
61: [TTYC_BOLD] = { TTYCODE_STRING, "bold" },
62: [TTYC_CIVIS] = { TTYCODE_STRING, "civis" },
63: [TTYC_CLEAR] = { TTYCODE_STRING, "clear" },
64: [TTYC_CNORM] = { TTYCODE_STRING, "cnorm" },
65: [TTYC_COLORS] = { TTYCODE_NUMBER, "colors" },
66: [TTYC_CR] = { TTYCODE_STRING, "Cr" },
1.57 nicm 67: [TTYC_CSR] = { TTYCODE_STRING, "csr" },
1.38 nicm 68: [TTYC_CS] = { TTYCODE_STRING, "Cs" },
1.57 nicm 69: [TTYC_CUB1] = { TTYCODE_STRING, "cub1" },
1.38 nicm 70: [TTYC_CUB] = { TTYCODE_STRING, "cub" },
1.57 nicm 71: [TTYC_CUD1] = { TTYCODE_STRING, "cud1" },
1.38 nicm 72: [TTYC_CUD] = { TTYCODE_STRING, "cud" },
1.57 nicm 73: [TTYC_CUF1] = { TTYCODE_STRING, "cuf1" },
1.38 nicm 74: [TTYC_CUF] = { TTYCODE_STRING, "cuf" },
75: [TTYC_CUP] = { TTYCODE_STRING, "cup" },
1.57 nicm 76: [TTYC_CUU1] = { TTYCODE_STRING, "cuu1" },
1.38 nicm 77: [TTYC_CUU] = { TTYCODE_STRING, "cuu" },
78: [TTYC_CVVIS] = { TTYCODE_STRING, "cvvis" },
1.57 nicm 79: [TTYC_DCH1] = { TTYCODE_STRING, "dch1" },
1.38 nicm 80: [TTYC_DCH] = { TTYCODE_STRING, "dch" },
81: [TTYC_DIM] = { TTYCODE_STRING, "dim" },
1.57 nicm 82: [TTYC_DL1] = { TTYCODE_STRING, "dl1" },
1.38 nicm 83: [TTYC_DL] = { TTYCODE_STRING, "dl" },
84: [TTYC_E3] = { TTYCODE_STRING, "E3" },
85: [TTYC_ECH] = { TTYCODE_STRING, "ech" },
1.50 nicm 86: [TTYC_ED] = { TTYCODE_STRING, "ed" },
1.57 nicm 87: [TTYC_EL1] = { TTYCODE_STRING, "el1" },
1.38 nicm 88: [TTYC_EL] = { TTYCODE_STRING, "el" },
89: [TTYC_ENACS] = { TTYCODE_STRING, "enacs" },
90: [TTYC_FSL] = { TTYCODE_STRING, "fsl" },
91: [TTYC_HOME] = { TTYCODE_STRING, "home" },
92: [TTYC_HPA] = { TTYCODE_STRING, "hpa" },
1.57 nicm 93: [TTYC_ICH1] = { TTYCODE_STRING, "ich1" },
1.38 nicm 94: [TTYC_ICH] = { TTYCODE_STRING, "ich" },
1.57 nicm 95: [TTYC_IL1] = { TTYCODE_STRING, "il1" },
1.38 nicm 96: [TTYC_IL] = { TTYCODE_STRING, "il" },
1.51 nicm 97: [TTYC_INDN] = { TTYCODE_STRING, "indn" },
1.38 nicm 98: [TTYC_INVIS] = { TTYCODE_STRING, "invis" },
99: [TTYC_KCBT] = { TTYCODE_STRING, "kcbt" },
100: [TTYC_KCUB1] = { TTYCODE_STRING, "kcub1" },
101: [TTYC_KCUD1] = { TTYCODE_STRING, "kcud1" },
102: [TTYC_KCUF1] = { TTYCODE_STRING, "kcuf1" },
103: [TTYC_KCUU1] = { TTYCODE_STRING, "kcuu1" },
104: [TTYC_KDC2] = { TTYCODE_STRING, "kDC" },
105: [TTYC_KDC3] = { TTYCODE_STRING, "kDC3" },
106: [TTYC_KDC4] = { TTYCODE_STRING, "kDC4" },
107: [TTYC_KDC5] = { TTYCODE_STRING, "kDC5" },
108: [TTYC_KDC6] = { TTYCODE_STRING, "kDC6" },
109: [TTYC_KDC7] = { TTYCODE_STRING, "kDC7" },
110: [TTYC_KDCH1] = { TTYCODE_STRING, "kdch1" },
1.57 nicm 111: [TTYC_KDN2] = { TTYCODE_STRING, "kDN" }, /* not kDN2 */
1.38 nicm 112: [TTYC_KDN3] = { TTYCODE_STRING, "kDN3" },
113: [TTYC_KDN4] = { TTYCODE_STRING, "kDN4" },
114: [TTYC_KDN5] = { TTYCODE_STRING, "kDN5" },
115: [TTYC_KDN6] = { TTYCODE_STRING, "kDN6" },
116: [TTYC_KDN7] = { TTYCODE_STRING, "kDN7" },
117: [TTYC_KEND2] = { TTYCODE_STRING, "kEND" },
118: [TTYC_KEND3] = { TTYCODE_STRING, "kEND3" },
119: [TTYC_KEND4] = { TTYCODE_STRING, "kEND4" },
120: [TTYC_KEND5] = { TTYCODE_STRING, "kEND5" },
121: [TTYC_KEND6] = { TTYCODE_STRING, "kEND6" },
122: [TTYC_KEND7] = { TTYCODE_STRING, "kEND7" },
1.57 nicm 123: [TTYC_KEND] = { TTYCODE_STRING, "kend" },
1.38 nicm 124: [TTYC_KF10] = { TTYCODE_STRING, "kf10" },
125: [TTYC_KF11] = { TTYCODE_STRING, "kf11" },
126: [TTYC_KF12] = { TTYCODE_STRING, "kf12" },
127: [TTYC_KF13] = { TTYCODE_STRING, "kf13" },
128: [TTYC_KF14] = { TTYCODE_STRING, "kf14" },
129: [TTYC_KF15] = { TTYCODE_STRING, "kf15" },
130: [TTYC_KF16] = { TTYCODE_STRING, "kf16" },
131: [TTYC_KF17] = { TTYCODE_STRING, "kf17" },
132: [TTYC_KF18] = { TTYCODE_STRING, "kf18" },
133: [TTYC_KF19] = { TTYCODE_STRING, "kf19" },
1.57 nicm 134: [TTYC_KF1] = { TTYCODE_STRING, "kf1" },
1.38 nicm 135: [TTYC_KF20] = { TTYCODE_STRING, "kf20" },
136: [TTYC_KF21] = { TTYCODE_STRING, "kf21" },
137: [TTYC_KF22] = { TTYCODE_STRING, "kf22" },
138: [TTYC_KF23] = { TTYCODE_STRING, "kf23" },
139: [TTYC_KF24] = { TTYCODE_STRING, "kf24" },
140: [TTYC_KF25] = { TTYCODE_STRING, "kf25" },
141: [TTYC_KF26] = { TTYCODE_STRING, "kf26" },
142: [TTYC_KF27] = { TTYCODE_STRING, "kf27" },
143: [TTYC_KF28] = { TTYCODE_STRING, "kf28" },
144: [TTYC_KF29] = { TTYCODE_STRING, "kf29" },
1.57 nicm 145: [TTYC_KF2] = { TTYCODE_STRING, "kf2" },
1.38 nicm 146: [TTYC_KF30] = { TTYCODE_STRING, "kf30" },
147: [TTYC_KF31] = { TTYCODE_STRING, "kf31" },
148: [TTYC_KF32] = { TTYCODE_STRING, "kf32" },
149: [TTYC_KF33] = { TTYCODE_STRING, "kf33" },
150: [TTYC_KF34] = { TTYCODE_STRING, "kf34" },
151: [TTYC_KF35] = { TTYCODE_STRING, "kf35" },
152: [TTYC_KF36] = { TTYCODE_STRING, "kf36" },
153: [TTYC_KF37] = { TTYCODE_STRING, "kf37" },
154: [TTYC_KF38] = { TTYCODE_STRING, "kf38" },
155: [TTYC_KF39] = { TTYCODE_STRING, "kf39" },
1.57 nicm 156: [TTYC_KF3] = { TTYCODE_STRING, "kf3" },
1.38 nicm 157: [TTYC_KF40] = { TTYCODE_STRING, "kf40" },
158: [TTYC_KF41] = { TTYCODE_STRING, "kf41" },
159: [TTYC_KF42] = { TTYCODE_STRING, "kf42" },
160: [TTYC_KF43] = { TTYCODE_STRING, "kf43" },
161: [TTYC_KF44] = { TTYCODE_STRING, "kf44" },
162: [TTYC_KF45] = { TTYCODE_STRING, "kf45" },
163: [TTYC_KF46] = { TTYCODE_STRING, "kf46" },
164: [TTYC_KF47] = { TTYCODE_STRING, "kf47" },
165: [TTYC_KF48] = { TTYCODE_STRING, "kf48" },
166: [TTYC_KF49] = { TTYCODE_STRING, "kf49" },
1.57 nicm 167: [TTYC_KF4] = { TTYCODE_STRING, "kf4" },
1.38 nicm 168: [TTYC_KF50] = { TTYCODE_STRING, "kf50" },
169: [TTYC_KF51] = { TTYCODE_STRING, "kf51" },
170: [TTYC_KF52] = { TTYCODE_STRING, "kf52" },
171: [TTYC_KF53] = { TTYCODE_STRING, "kf53" },
172: [TTYC_KF54] = { TTYCODE_STRING, "kf54" },
173: [TTYC_KF55] = { TTYCODE_STRING, "kf55" },
174: [TTYC_KF56] = { TTYCODE_STRING, "kf56" },
175: [TTYC_KF57] = { TTYCODE_STRING, "kf57" },
176: [TTYC_KF58] = { TTYCODE_STRING, "kf58" },
177: [TTYC_KF59] = { TTYCODE_STRING, "kf59" },
1.57 nicm 178: [TTYC_KF5] = { TTYCODE_STRING, "kf5" },
1.38 nicm 179: [TTYC_KF60] = { TTYCODE_STRING, "kf60" },
180: [TTYC_KF61] = { TTYCODE_STRING, "kf61" },
181: [TTYC_KF62] = { TTYCODE_STRING, "kf62" },
182: [TTYC_KF63] = { TTYCODE_STRING, "kf63" },
1.57 nicm 183: [TTYC_KF6] = { TTYCODE_STRING, "kf6" },
1.38 nicm 184: [TTYC_KF7] = { TTYCODE_STRING, "kf7" },
185: [TTYC_KF8] = { TTYCODE_STRING, "kf8" },
186: [TTYC_KF9] = { TTYCODE_STRING, "kf9" },
187: [TTYC_KHOM2] = { TTYCODE_STRING, "kHOM" },
188: [TTYC_KHOM3] = { TTYCODE_STRING, "kHOM3" },
189: [TTYC_KHOM4] = { TTYCODE_STRING, "kHOM4" },
190: [TTYC_KHOM5] = { TTYCODE_STRING, "kHOM5" },
191: [TTYC_KHOM6] = { TTYCODE_STRING, "kHOM6" },
192: [TTYC_KHOM7] = { TTYCODE_STRING, "kHOM7" },
193: [TTYC_KHOME] = { TTYCODE_STRING, "khome" },
194: [TTYC_KIC2] = { TTYCODE_STRING, "kIC" },
195: [TTYC_KIC3] = { TTYCODE_STRING, "kIC3" },
196: [TTYC_KIC4] = { TTYCODE_STRING, "kIC4" },
197: [TTYC_KIC5] = { TTYCODE_STRING, "kIC5" },
198: [TTYC_KIC6] = { TTYCODE_STRING, "kIC6" },
199: [TTYC_KIC7] = { TTYCODE_STRING, "kIC7" },
200: [TTYC_KICH1] = { TTYCODE_STRING, "kich1" },
1.57 nicm 201: [TTYC_KIND] = { TTYCODE_STRING, "kind" },
1.38 nicm 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" },
1.57 nicm 229: [TTYC_KRI] = { TTYCODE_STRING, "kri" },
230: [TTYC_KUP2] = { TTYCODE_STRING, "kUP" }, /* not kUP2 */
1.38 nicm 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" },
1.58 nicm 239: [TTYC_RGB] = { TTYCODE_FLAG, "RGB" },
1.38 nicm 240: [TTYC_RI] = { TTYCODE_STRING, "ri" },
1.67 nicm 241: [TTYC_RIN] = { TTYCODE_STRING, "rin" },
1.38 nicm 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" },
1.66 nicm 249: [TTYC_SETULC] = { TTYCODE_STRING, "Setulc" },
1.57 nicm 250: [TTYC_SE] = { TTYCODE_STRING, "Se" },
1.38 nicm 251: [TTYC_SGR0] = { TTYCODE_STRING, "sgr0" },
252: [TTYC_SITM] = { TTYCODE_STRING, "sitm" },
253: [TTYC_SMACS] = { TTYCODE_STRING, "smacs" },
254: [TTYC_SMCUP] = { TTYCODE_STRING, "smcup" },
255: [TTYC_SMKX] = { TTYCODE_STRING, "smkx" },
1.64 nicm 256: [TTYC_SMOL] = { TTYCODE_STRING, "Smol" },
1.38 nicm 257: [TTYC_SMSO] = { TTYCODE_STRING, "smso" },
1.60 nicm 258: [TTYC_SMULX] = { TTYCODE_STRING, "Smulx" },
1.38 nicm 259: [TTYC_SMUL] = { TTYCODE_STRING, "smul" },
1.53 nicm 260: [TTYC_SMXX] = { TTYCODE_STRING, "smxx" },
1.38 nicm 261: [TTYC_SS] = { TTYCODE_STRING, "Ss" },
1.74 ! nicm 262: [TTYC_SYNC] = { TTYCODE_STRING, "Sync" },
1.45 nicm 263: [TTYC_TC] = { TTYCODE_FLAG, "Tc" },
1.38 nicm 264: [TTYC_TSL] = { TTYCODE_STRING, "tsl" },
1.57 nicm 265: [TTYC_U8] = { TTYCODE_NUMBER, "U8" },
1.38 nicm 266: [TTYC_VPA] = { TTYCODE_STRING, "vpa" },
267: [TTYC_XENL] = { TTYCODE_FLAG, "xenl" },
268: [TTYC_XT] = { TTYCODE_FLAG, "XT" },
269: };
270:
271: u_int
272: tty_term_ncodes(void)
273: {
274: return (nitems(tty_term_codes));
275: }
276:
1.46 nicm 277: static char *
1.1 nicm 278: tty_term_strip(const char *s)
279: {
280: const char *ptr;
1.68 nicm 281: static char buf[8192];
1.1 nicm 282: size_t len;
283:
284: /* Ignore strings with no padding. */
285: if (strchr(s, '$') == NULL)
286: return (xstrdup(s));
287:
288: len = 0;
289: for (ptr = s; *ptr != '\0'; ptr++) {
290: if (*ptr == '$' && *(ptr + 1) == '<') {
291: while (*ptr != '\0' && *ptr != '>')
292: ptr++;
293: if (*ptr == '>')
294: ptr++;
295: }
296:
297: buf[len++] = *ptr;
298: if (len == (sizeof buf) - 1)
299: break;
300: }
301: buf[len] = '\0';
302:
303: return (xstrdup(buf));
304: }
305:
1.60 nicm 306: static char *
307: tty_term_override_next(const char *s, size_t *offset)
308: {
1.68 nicm 309: static char value[8192];
1.60 nicm 310: size_t n = 0, at = *offset;
311:
312: if (s[at] == '\0')
313: return (NULL);
314:
315: while (s[at] != '\0') {
316: if (s[at] == ':') {
317: if (s[at + 1] == ':') {
318: value[n++] = ':';
319: at += 2;
320: } else
321: break;
322: } else {
323: value[n++] = s[at];
324: at++;
325: }
326: if (n == (sizeof value) - 1)
327: return (NULL);
328: }
329: if (s[at] != '\0')
330: *offset = at + 1;
331: else
332: *offset = at;
333: value[n] = '\0';
334: return (value);
335: }
336:
1.73 nicm 337: void
338: tty_term_apply(struct tty_term *term, const char *capabilities, int quiet)
1.1 nicm 339: {
1.19 nicm 340: const struct tty_term_code_entry *ent;
341: struct tty_code *code;
1.60 nicm 342: size_t offset = 0;
343: char *cp, *value, *s;
1.73 nicm 344: const char *errstr, *name = term->name;
1.19 nicm 345: u_int i;
1.49 nicm 346: int n, remove;
1.5 nicm 347:
1.73 nicm 348: while ((s = tty_term_override_next(capabilities, &offset)) != NULL) {
1.49 nicm 349: if (*s == '\0')
1.5 nicm 350: continue;
1.49 nicm 351: value = NULL;
352:
353: remove = 0;
354: if ((cp = strchr(s, '=')) != NULL) {
355: *cp++ = '\0';
356: value = xstrdup(cp);
357: if (strunvis(value, cp) == -1) {
358: free(value);
359: value = xstrdup(cp);
360: }
361: } else if (s[strlen(s) - 1] == '@') {
362: s[strlen(s) - 1] = '\0';
363: remove = 1;
364: } else
365: value = xstrdup("");
366:
1.73 nicm 367: if (!quiet) {
368: if (remove)
369: log_debug("%s override: %s@", name, s);
370: else if (*value == '\0')
371: log_debug("%s override: %s", name, s);
372: else
373: log_debug("%s override: %s=%s", name, s, value);
374: }
1.49 nicm 375:
376: for (i = 0; i < tty_term_ncodes(); i++) {
377: ent = &tty_term_codes[i];
378: if (strcmp(s, ent->name) != 0)
1.5 nicm 379: continue;
1.49 nicm 380: code = &term->codes[i];
1.5 nicm 381:
1.49 nicm 382: if (remove) {
383: code->type = TTYCODE_NONE;
384: continue;
385: }
386: switch (ent->type) {
387: case TTYCODE_NONE:
388: break;
389: case TTYCODE_STRING:
390: if (code->type == TTYCODE_STRING)
391: free(code->value.string);
392: code->value.string = xstrdup(value);
393: code->type = ent->type;
394: break;
395: case TTYCODE_NUMBER:
396: n = strtonum(value, 0, INT_MAX, &errstr);
397: if (errstr != NULL)
1.5 nicm 398: break;
1.49 nicm 399: code->value.number = n;
400: code->type = ent->type;
401: break;
402: case TTYCODE_FLAG:
403: code->value.flag = 1;
404: code->type = ent->type;
405: break;
1.5 nicm 406: }
1.49 nicm 407: }
1.5 nicm 408:
1.49 nicm 409: free(value);
1.1 nicm 410: }
411: }
412:
413: struct tty_term *
1.73 nicm 414: tty_term_create(struct tty *tty, char *name, int *feat, int fd, char **cause)
1.1 nicm 415: {
1.19 nicm 416: struct tty_term *term;
417: const struct tty_term_code_entry *ent;
418: struct tty_code *code;
1.49 nicm 419: struct options_entry *o;
1.61 nicm 420: struct options_array_item *a;
1.62 nicm 421: union options_value *ov;
1.61 nicm 422: u_int i;
1.19 nicm 423: int n, error;
1.48 nicm 424: const char *s, *acs;
1.73 nicm 425: size_t offset;
426: char *first;
1.1 nicm 427:
1.73 nicm 428: log_debug("adding term %s", name);
1.1 nicm 429:
1.73 nicm 430: term = xcalloc(1, sizeof *term);
431: term->tty = tty;
1.1 nicm 432: term->name = xstrdup(name);
1.47 nicm 433: term->codes = xcalloc(tty_term_ncodes(), sizeof *term->codes);
1.20 nicm 434: LIST_INSERT_HEAD(&tty_terms, term, entry);
1.1 nicm 435:
1.3 nicm 436: /* Set up curses terminal. */
1.1 nicm 437: if (setupterm(name, fd, &error) != OK) {
438: switch (error) {
1.4 matthieu 439: case 1:
1.43 nicm 440: xasprintf(cause, "can't use hardcopy terminal: %s",
441: name);
1.4 matthieu 442: break;
1.1 nicm 443: case 0:
1.43 nicm 444: xasprintf(cause, "missing or unsuitable terminal: %s",
445: name);
1.1 nicm 446: break;
1.4 matthieu 447: case -1:
1.1 nicm 448: xasprintf(cause, "can't find terminfo database");
449: break;
450: default:
451: xasprintf(cause, "unknown error");
452: break;
453: }
454: goto error;
455: }
456:
457: /* Fill in codes. */
1.38 nicm 458: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 459: ent = &tty_term_codes[i];
460:
1.38 nicm 461: code = &term->codes[i];
1.1 nicm 462: code->type = TTYCODE_NONE;
463: switch (ent->type) {
464: case TTYCODE_NONE:
465: break;
466: case TTYCODE_STRING:
467: s = tigetstr((char *) ent->name);
468: if (s == NULL || s == (char *) -1)
469: break;
470: code->type = TTYCODE_STRING;
471: code->value.string = tty_term_strip(s);
472: break;
473: case TTYCODE_NUMBER:
474: n = tigetnum((char *) ent->name);
475: if (n == -1 || n == -2)
476: break;
477: code->type = TTYCODE_NUMBER;
478: code->value.number = n;
479: break;
480: case TTYCODE_FLAG:
481: n = tigetflag((char *) ent->name);
482: if (n == -1)
483: break;
484: code->type = TTYCODE_FLAG;
1.40 nicm 485: code->value.flag = n;
1.1 nicm 486: break;
487: }
488: }
1.33 nicm 489:
1.73 nicm 490: /* Apply terminal features. */
491: o = options_get_only(global_options, "terminal-features");
492: a = options_array_first(o);
493: while (a != NULL) {
494: ov = options_array_item_value(a);
495: s = ov->string;
496:
497: offset = 0;
498: first = tty_term_override_next(s, &offset);
499: if (first != NULL && fnmatch(first, term->name, 0) == 0)
500: tty_add_features(feat, s + offset, ":");
501: a = options_array_next(a);
502: }
503:
1.33 nicm 504: /* Apply terminal overrides. */
1.49 nicm 505: o = options_get_only(global_options, "terminal-overrides");
1.61 nicm 506: a = options_array_first(o);
507: while (a != NULL) {
1.62 nicm 508: ov = options_array_item_value(a);
1.73 nicm 509: s = ov->string;
510:
511: offset = 0;
512: first = tty_term_override_next(s, &offset);
513: if (first != NULL && fnmatch(first, term->name, 0) == 0)
514: tty_term_apply(term, s + offset, 0);
1.61 nicm 515: a = options_array_next(a);
1.49 nicm 516: }
1.1 nicm 517:
1.3 nicm 518: /* Delete curses data. */
1.1 nicm 519: del_curterm(cur_term);
520:
521: /* These are always required. */
522: if (!tty_term_has(term, TTYC_CLEAR)) {
523: xasprintf(cause, "terminal does not support clear");
524: goto error;
525: }
526: if (!tty_term_has(term, TTYC_CUP)) {
527: xasprintf(cause, "terminal does not support cup");
528: goto error;
529: }
530:
531: /* These can be emulated so one of the two is required. */
532: if (!tty_term_has(term, TTYC_CUD1) && !tty_term_has(term, TTYC_CUD)) {
533: xasprintf(cause, "terminal does not support cud1 or cud");
534: goto error;
535: }
536:
1.73 nicm 537: /* Add RGB feature if terminal has RGB colours. */
538: if ((tty_term_flag(term, TTYC_TC) || tty_term_has(term, TTYC_RGB)) &&
539: (!tty_term_has(term, TTYC_SETRGBF) ||
540: !tty_term_has(term, TTYC_SETRGBB)))
541: tty_add_features(feat, "RGB", ":,");
542:
543: /* Add feature if terminal has XT. */
544: if (tty_term_flag(term, TTYC_XT))
545: tty_add_features(feat, "title", ":,");
546:
547: /* Apply the features. */
548: tty_apply_features(term, *feat);
1.71 nicm 549:
1.1 nicm 550: /*
551: * Terminals without xenl (eat newline glitch) wrap at at $COLUMNS - 1
552: * rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
553: *
554: * This is irritating, most notably because it is impossible to write
555: * to the very bottom-right of the screen without scrolling.
556: *
557: * Flag the terminal here and apply some workarounds in other places to
558: * do the best possible.
559: */
560: if (!tty_term_flag(term, TTYC_XENL))
1.70 nicm 561: term->flags |= TERM_NOXENL;
1.18 nicm 562:
563: /* Generate ACS table. If none is present, use nearest ASCII. */
564: memset(term->acs, 0, sizeof term->acs);
565: if (tty_term_has(term, TTYC_ACSC))
566: acs = tty_term_string(term, TTYC_ACSC);
567: else
568: acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~.";
569: for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2)
570: term->acs[(u_char) acs[0]][0] = acs[1];
1.22 nicm 571:
1.71 nicm 572: /* Log the capabilities. */
1.56 nicm 573: for (i = 0; i < tty_term_ncodes(); i++)
574: log_debug("%s%s", name, tty_term_describe(term, i));
1.55 nicm 575:
1.1 nicm 576: return (term);
577:
578: error:
579: tty_term_free(term);
580: return (NULL);
581: }
582:
583: void
584: tty_term_free(struct tty_term *term)
585: {
586: u_int i;
587:
1.73 nicm 588: log_debug("removing term %s", term->name);
1.1 nicm 589:
1.38 nicm 590: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 591: if (term->codes[i].type == TTYCODE_STRING)
1.29 nicm 592: free(term->codes[i].value.string);
1.1 nicm 593: }
1.38 nicm 594: free(term->codes);
595:
1.73 nicm 596: LIST_REMOVE(term, entry);
1.29 nicm 597: free(term->name);
598: free(term);
1.1 nicm 599: }
600:
601: int
602: tty_term_has(struct tty_term *term, enum tty_code_code code)
603: {
604: return (term->codes[code].type != TTYCODE_NONE);
605: }
606:
607: const char *
608: tty_term_string(struct tty_term *term, enum tty_code_code code)
609: {
610: if (!tty_term_has(term, code))
611: return ("");
612: if (term->codes[code].type != TTYCODE_STRING)
1.42 nicm 613: fatalx("not a string: %d", code);
1.1 nicm 614: return (term->codes[code].value.string);
615: }
616:
617: const char *
618: tty_term_string1(struct tty_term *term, enum tty_code_code code, int a)
619: {
620: return (tparm((char *) tty_term_string(term, code), a));
621: }
622:
623: const char *
624: tty_term_string2(struct tty_term *term, enum tty_code_code code, int a, int b)
1.23 nicm 625: {
626: return (tparm((char *) tty_term_string(term, code), a, b));
1.55 nicm 627: }
628:
629: const char *
1.69 nicm 630: tty_term_string3(struct tty_term *term, enum tty_code_code code, int a, int b,
631: int c)
1.55 nicm 632: {
633: return (tparm((char *) tty_term_string(term, code), a, b, c));
1.24 nicm 634: }
635:
636: const char *
637: tty_term_ptr1(struct tty_term *term, enum tty_code_code code, const void *a)
638: {
639: return (tparm((char *) tty_term_string(term, code), a));
1.23 nicm 640: }
641:
642: const char *
1.34 nicm 643: tty_term_ptr2(struct tty_term *term, enum tty_code_code code, const void *a,
644: const void *b)
1.1 nicm 645: {
646: return (tparm((char *) tty_term_string(term, code), a, b));
647: }
648:
649: int
650: tty_term_number(struct tty_term *term, enum tty_code_code code)
651: {
652: if (!tty_term_has(term, code))
653: return (0);
654: if (term->codes[code].type != TTYCODE_NUMBER)
1.42 nicm 655: fatalx("not a number: %d", code);
1.1 nicm 656: return (term->codes[code].value.number);
657: }
658:
659: int
660: tty_term_flag(struct tty_term *term, enum tty_code_code code)
661: {
662: if (!tty_term_has(term, code))
663: return (0);
664: if (term->codes[code].type != TTYCODE_FLAG)
1.42 nicm 665: fatalx("not a flag: %d", code);
1.1 nicm 666: return (term->codes[code].value.flag);
1.38 nicm 667: }
668:
669: const char *
670: tty_term_describe(struct tty_term *term, enum tty_code_code code)
671: {
672: static char s[256];
673: char out[128];
674:
675: switch (term->codes[code].type) {
676: case TTYCODE_NONE:
677: xsnprintf(s, sizeof s, "%4u: %s: [missing]",
678: code, tty_term_codes[code].name);
679: break;
680: case TTYCODE_STRING:
681: strnvis(out, term->codes[code].value.string, sizeof out,
1.65 nicm 682: VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL);
1.38 nicm 683: xsnprintf(s, sizeof s, "%4u: %s: (string) %s",
684: code, tty_term_codes[code].name,
685: out);
686: break;
687: case TTYCODE_NUMBER:
688: xsnprintf(s, sizeof s, "%4u: %s: (number) %d",
689: code, tty_term_codes[code].name,
690: term->codes[code].value.number);
691: break;
692: case TTYCODE_FLAG:
693: xsnprintf(s, sizeof s, "%4u: %s: (flag) %s",
694: code, tty_term_codes[code].name,
695: term->codes[code].value.flag ? "true" : "false");
696: break;
697: }
698: return (s);
1.1 nicm 699: }