Annotation of src/usr.bin/tmux/tty-term.c, Revision 1.77
1.77 ! nicm 1: /* $OpenBSD: tty-term.c,v 1.76 2020/04/23 10:22:53 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" },
1.77 ! nicm 64: [TTYC_CLMG] = { TTYCODE_STRING, "Clmg" },
! 65: [TTYC_CMG] = { TTYCODE_STRING, "Cmg" },
1.38 nicm 66: [TTYC_CNORM] = { TTYCODE_STRING, "cnorm" },
67: [TTYC_COLORS] = { TTYCODE_NUMBER, "colors" },
68: [TTYC_CR] = { TTYCODE_STRING, "Cr" },
1.57 nicm 69: [TTYC_CSR] = { TTYCODE_STRING, "csr" },
1.38 nicm 70: [TTYC_CS] = { TTYCODE_STRING, "Cs" },
1.57 nicm 71: [TTYC_CUB1] = { TTYCODE_STRING, "cub1" },
1.38 nicm 72: [TTYC_CUB] = { TTYCODE_STRING, "cub" },
1.57 nicm 73: [TTYC_CUD1] = { TTYCODE_STRING, "cud1" },
1.38 nicm 74: [TTYC_CUD] = { TTYCODE_STRING, "cud" },
1.57 nicm 75: [TTYC_CUF1] = { TTYCODE_STRING, "cuf1" },
1.38 nicm 76: [TTYC_CUF] = { TTYCODE_STRING, "cuf" },
77: [TTYC_CUP] = { TTYCODE_STRING, "cup" },
1.57 nicm 78: [TTYC_CUU1] = { TTYCODE_STRING, "cuu1" },
1.38 nicm 79: [TTYC_CUU] = { TTYCODE_STRING, "cuu" },
80: [TTYC_CVVIS] = { TTYCODE_STRING, "cvvis" },
1.57 nicm 81: [TTYC_DCH1] = { TTYCODE_STRING, "dch1" },
1.38 nicm 82: [TTYC_DCH] = { TTYCODE_STRING, "dch" },
83: [TTYC_DIM] = { TTYCODE_STRING, "dim" },
1.57 nicm 84: [TTYC_DL1] = { TTYCODE_STRING, "dl1" },
1.38 nicm 85: [TTYC_DL] = { TTYCODE_STRING, "dl" },
1.77 ! nicm 86: [TTYC_DSMG] = { TTYCODE_STRING, "Dsmg" },
1.38 nicm 87: [TTYC_E3] = { TTYCODE_STRING, "E3" },
88: [TTYC_ECH] = { TTYCODE_STRING, "ech" },
1.50 nicm 89: [TTYC_ED] = { TTYCODE_STRING, "ed" },
1.57 nicm 90: [TTYC_EL1] = { TTYCODE_STRING, "el1" },
1.38 nicm 91: [TTYC_EL] = { TTYCODE_STRING, "el" },
92: [TTYC_ENACS] = { TTYCODE_STRING, "enacs" },
1.77 ! nicm 93: [TTYC_ENMG] = { TTYCODE_STRING, "Enmg" },
1.38 nicm 94: [TTYC_FSL] = { TTYCODE_STRING, "fsl" },
95: [TTYC_HOME] = { TTYCODE_STRING, "home" },
96: [TTYC_HPA] = { TTYCODE_STRING, "hpa" },
1.57 nicm 97: [TTYC_ICH1] = { TTYCODE_STRING, "ich1" },
1.38 nicm 98: [TTYC_ICH] = { TTYCODE_STRING, "ich" },
1.57 nicm 99: [TTYC_IL1] = { TTYCODE_STRING, "il1" },
1.38 nicm 100: [TTYC_IL] = { TTYCODE_STRING, "il" },
1.51 nicm 101: [TTYC_INDN] = { TTYCODE_STRING, "indn" },
1.38 nicm 102: [TTYC_INVIS] = { TTYCODE_STRING, "invis" },
103: [TTYC_KCBT] = { TTYCODE_STRING, "kcbt" },
104: [TTYC_KCUB1] = { TTYCODE_STRING, "kcub1" },
105: [TTYC_KCUD1] = { TTYCODE_STRING, "kcud1" },
106: [TTYC_KCUF1] = { TTYCODE_STRING, "kcuf1" },
107: [TTYC_KCUU1] = { TTYCODE_STRING, "kcuu1" },
108: [TTYC_KDC2] = { TTYCODE_STRING, "kDC" },
109: [TTYC_KDC3] = { TTYCODE_STRING, "kDC3" },
110: [TTYC_KDC4] = { TTYCODE_STRING, "kDC4" },
111: [TTYC_KDC5] = { TTYCODE_STRING, "kDC5" },
112: [TTYC_KDC6] = { TTYCODE_STRING, "kDC6" },
113: [TTYC_KDC7] = { TTYCODE_STRING, "kDC7" },
114: [TTYC_KDCH1] = { TTYCODE_STRING, "kdch1" },
1.57 nicm 115: [TTYC_KDN2] = { TTYCODE_STRING, "kDN" }, /* not kDN2 */
1.38 nicm 116: [TTYC_KDN3] = { TTYCODE_STRING, "kDN3" },
117: [TTYC_KDN4] = { TTYCODE_STRING, "kDN4" },
118: [TTYC_KDN5] = { TTYCODE_STRING, "kDN5" },
119: [TTYC_KDN6] = { TTYCODE_STRING, "kDN6" },
120: [TTYC_KDN7] = { TTYCODE_STRING, "kDN7" },
121: [TTYC_KEND2] = { TTYCODE_STRING, "kEND" },
122: [TTYC_KEND3] = { TTYCODE_STRING, "kEND3" },
123: [TTYC_KEND4] = { TTYCODE_STRING, "kEND4" },
124: [TTYC_KEND5] = { TTYCODE_STRING, "kEND5" },
125: [TTYC_KEND6] = { TTYCODE_STRING, "kEND6" },
126: [TTYC_KEND7] = { TTYCODE_STRING, "kEND7" },
1.57 nicm 127: [TTYC_KEND] = { TTYCODE_STRING, "kend" },
1.38 nicm 128: [TTYC_KF10] = { TTYCODE_STRING, "kf10" },
129: [TTYC_KF11] = { TTYCODE_STRING, "kf11" },
130: [TTYC_KF12] = { TTYCODE_STRING, "kf12" },
131: [TTYC_KF13] = { TTYCODE_STRING, "kf13" },
132: [TTYC_KF14] = { TTYCODE_STRING, "kf14" },
133: [TTYC_KF15] = { TTYCODE_STRING, "kf15" },
134: [TTYC_KF16] = { TTYCODE_STRING, "kf16" },
135: [TTYC_KF17] = { TTYCODE_STRING, "kf17" },
136: [TTYC_KF18] = { TTYCODE_STRING, "kf18" },
137: [TTYC_KF19] = { TTYCODE_STRING, "kf19" },
1.57 nicm 138: [TTYC_KF1] = { TTYCODE_STRING, "kf1" },
1.38 nicm 139: [TTYC_KF20] = { TTYCODE_STRING, "kf20" },
140: [TTYC_KF21] = { TTYCODE_STRING, "kf21" },
141: [TTYC_KF22] = { TTYCODE_STRING, "kf22" },
142: [TTYC_KF23] = { TTYCODE_STRING, "kf23" },
143: [TTYC_KF24] = { TTYCODE_STRING, "kf24" },
144: [TTYC_KF25] = { TTYCODE_STRING, "kf25" },
145: [TTYC_KF26] = { TTYCODE_STRING, "kf26" },
146: [TTYC_KF27] = { TTYCODE_STRING, "kf27" },
147: [TTYC_KF28] = { TTYCODE_STRING, "kf28" },
148: [TTYC_KF29] = { TTYCODE_STRING, "kf29" },
1.57 nicm 149: [TTYC_KF2] = { TTYCODE_STRING, "kf2" },
1.38 nicm 150: [TTYC_KF30] = { TTYCODE_STRING, "kf30" },
151: [TTYC_KF31] = { TTYCODE_STRING, "kf31" },
152: [TTYC_KF32] = { TTYCODE_STRING, "kf32" },
153: [TTYC_KF33] = { TTYCODE_STRING, "kf33" },
154: [TTYC_KF34] = { TTYCODE_STRING, "kf34" },
155: [TTYC_KF35] = { TTYCODE_STRING, "kf35" },
156: [TTYC_KF36] = { TTYCODE_STRING, "kf36" },
157: [TTYC_KF37] = { TTYCODE_STRING, "kf37" },
158: [TTYC_KF38] = { TTYCODE_STRING, "kf38" },
159: [TTYC_KF39] = { TTYCODE_STRING, "kf39" },
1.57 nicm 160: [TTYC_KF3] = { TTYCODE_STRING, "kf3" },
1.38 nicm 161: [TTYC_KF40] = { TTYCODE_STRING, "kf40" },
162: [TTYC_KF41] = { TTYCODE_STRING, "kf41" },
163: [TTYC_KF42] = { TTYCODE_STRING, "kf42" },
164: [TTYC_KF43] = { TTYCODE_STRING, "kf43" },
165: [TTYC_KF44] = { TTYCODE_STRING, "kf44" },
166: [TTYC_KF45] = { TTYCODE_STRING, "kf45" },
167: [TTYC_KF46] = { TTYCODE_STRING, "kf46" },
168: [TTYC_KF47] = { TTYCODE_STRING, "kf47" },
169: [TTYC_KF48] = { TTYCODE_STRING, "kf48" },
170: [TTYC_KF49] = { TTYCODE_STRING, "kf49" },
1.57 nicm 171: [TTYC_KF4] = { TTYCODE_STRING, "kf4" },
1.38 nicm 172: [TTYC_KF50] = { TTYCODE_STRING, "kf50" },
173: [TTYC_KF51] = { TTYCODE_STRING, "kf51" },
174: [TTYC_KF52] = { TTYCODE_STRING, "kf52" },
175: [TTYC_KF53] = { TTYCODE_STRING, "kf53" },
176: [TTYC_KF54] = { TTYCODE_STRING, "kf54" },
177: [TTYC_KF55] = { TTYCODE_STRING, "kf55" },
178: [TTYC_KF56] = { TTYCODE_STRING, "kf56" },
179: [TTYC_KF57] = { TTYCODE_STRING, "kf57" },
180: [TTYC_KF58] = { TTYCODE_STRING, "kf58" },
181: [TTYC_KF59] = { TTYCODE_STRING, "kf59" },
1.57 nicm 182: [TTYC_KF5] = { TTYCODE_STRING, "kf5" },
1.38 nicm 183: [TTYC_KF60] = { TTYCODE_STRING, "kf60" },
184: [TTYC_KF61] = { TTYCODE_STRING, "kf61" },
185: [TTYC_KF62] = { TTYCODE_STRING, "kf62" },
186: [TTYC_KF63] = { TTYCODE_STRING, "kf63" },
1.57 nicm 187: [TTYC_KF6] = { TTYCODE_STRING, "kf6" },
1.38 nicm 188: [TTYC_KF7] = { TTYCODE_STRING, "kf7" },
189: [TTYC_KF8] = { TTYCODE_STRING, "kf8" },
190: [TTYC_KF9] = { TTYCODE_STRING, "kf9" },
191: [TTYC_KHOM2] = { TTYCODE_STRING, "kHOM" },
192: [TTYC_KHOM3] = { TTYCODE_STRING, "kHOM3" },
193: [TTYC_KHOM4] = { TTYCODE_STRING, "kHOM4" },
194: [TTYC_KHOM5] = { TTYCODE_STRING, "kHOM5" },
195: [TTYC_KHOM6] = { TTYCODE_STRING, "kHOM6" },
196: [TTYC_KHOM7] = { TTYCODE_STRING, "kHOM7" },
197: [TTYC_KHOME] = { TTYCODE_STRING, "khome" },
198: [TTYC_KIC2] = { TTYCODE_STRING, "kIC" },
199: [TTYC_KIC3] = { TTYCODE_STRING, "kIC3" },
200: [TTYC_KIC4] = { TTYCODE_STRING, "kIC4" },
201: [TTYC_KIC5] = { TTYCODE_STRING, "kIC5" },
202: [TTYC_KIC6] = { TTYCODE_STRING, "kIC6" },
203: [TTYC_KIC7] = { TTYCODE_STRING, "kIC7" },
204: [TTYC_KICH1] = { TTYCODE_STRING, "kich1" },
1.57 nicm 205: [TTYC_KIND] = { TTYCODE_STRING, "kind" },
1.38 nicm 206: [TTYC_KLFT2] = { TTYCODE_STRING, "kLFT" },
207: [TTYC_KLFT3] = { TTYCODE_STRING, "kLFT3" },
208: [TTYC_KLFT4] = { TTYCODE_STRING, "kLFT4" },
209: [TTYC_KLFT5] = { TTYCODE_STRING, "kLFT5" },
210: [TTYC_KLFT6] = { TTYCODE_STRING, "kLFT6" },
211: [TTYC_KLFT7] = { TTYCODE_STRING, "kLFT7" },
212: [TTYC_KMOUS] = { TTYCODE_STRING, "kmous" },
213: [TTYC_KNP] = { TTYCODE_STRING, "knp" },
214: [TTYC_KNXT2] = { TTYCODE_STRING, "kNXT" },
215: [TTYC_KNXT3] = { TTYCODE_STRING, "kNXT3" },
216: [TTYC_KNXT4] = { TTYCODE_STRING, "kNXT4" },
217: [TTYC_KNXT5] = { TTYCODE_STRING, "kNXT5" },
218: [TTYC_KNXT6] = { TTYCODE_STRING, "kNXT6" },
219: [TTYC_KNXT7] = { TTYCODE_STRING, "kNXT7" },
220: [TTYC_KPP] = { TTYCODE_STRING, "kpp" },
221: [TTYC_KPRV2] = { TTYCODE_STRING, "kPRV" },
222: [TTYC_KPRV3] = { TTYCODE_STRING, "kPRV3" },
223: [TTYC_KPRV4] = { TTYCODE_STRING, "kPRV4" },
224: [TTYC_KPRV5] = { TTYCODE_STRING, "kPRV5" },
225: [TTYC_KPRV6] = { TTYCODE_STRING, "kPRV6" },
226: [TTYC_KPRV7] = { TTYCODE_STRING, "kPRV7" },
227: [TTYC_KRIT2] = { TTYCODE_STRING, "kRIT" },
228: [TTYC_KRIT3] = { TTYCODE_STRING, "kRIT3" },
229: [TTYC_KRIT4] = { TTYCODE_STRING, "kRIT4" },
230: [TTYC_KRIT5] = { TTYCODE_STRING, "kRIT5" },
231: [TTYC_KRIT6] = { TTYCODE_STRING, "kRIT6" },
232: [TTYC_KRIT7] = { TTYCODE_STRING, "kRIT7" },
1.57 nicm 233: [TTYC_KRI] = { TTYCODE_STRING, "kri" },
234: [TTYC_KUP2] = { TTYCODE_STRING, "kUP" }, /* not kUP2 */
1.38 nicm 235: [TTYC_KUP3] = { TTYCODE_STRING, "kUP3" },
236: [TTYC_KUP4] = { TTYCODE_STRING, "kUP4" },
237: [TTYC_KUP5] = { TTYCODE_STRING, "kUP5" },
238: [TTYC_KUP6] = { TTYCODE_STRING, "kUP6" },
239: [TTYC_KUP7] = { TTYCODE_STRING, "kUP7" },
240: [TTYC_MS] = { TTYCODE_STRING, "Ms" },
241: [TTYC_OP] = { TTYCODE_STRING, "op" },
242: [TTYC_REV] = { TTYCODE_STRING, "rev" },
1.58 nicm 243: [TTYC_RGB] = { TTYCODE_FLAG, "RGB" },
1.77 ! nicm 244: [TTYC_RIN] = { TTYCODE_STRING, "rin" },
1.38 nicm 245: [TTYC_RI] = { TTYCODE_STRING, "ri" },
246: [TTYC_RMACS] = { TTYCODE_STRING, "rmacs" },
247: [TTYC_RMCUP] = { TTYCODE_STRING, "rmcup" },
248: [TTYC_RMKX] = { TTYCODE_STRING, "rmkx" },
249: [TTYC_SETAB] = { TTYCODE_STRING, "setab" },
250: [TTYC_SETAF] = { TTYCODE_STRING, "setaf" },
1.55 nicm 251: [TTYC_SETRGBB] = { TTYCODE_STRING, "setrgbb" },
252: [TTYC_SETRGBF] = { TTYCODE_STRING, "setrgbf" },
1.66 nicm 253: [TTYC_SETULC] = { TTYCODE_STRING, "Setulc" },
1.57 nicm 254: [TTYC_SE] = { TTYCODE_STRING, "Se" },
1.38 nicm 255: [TTYC_SGR0] = { TTYCODE_STRING, "sgr0" },
256: [TTYC_SITM] = { TTYCODE_STRING, "sitm" },
257: [TTYC_SMACS] = { TTYCODE_STRING, "smacs" },
258: [TTYC_SMCUP] = { TTYCODE_STRING, "smcup" },
259: [TTYC_SMKX] = { TTYCODE_STRING, "smkx" },
1.64 nicm 260: [TTYC_SMOL] = { TTYCODE_STRING, "Smol" },
1.38 nicm 261: [TTYC_SMSO] = { TTYCODE_STRING, "smso" },
1.60 nicm 262: [TTYC_SMULX] = { TTYCODE_STRING, "Smulx" },
1.38 nicm 263: [TTYC_SMUL] = { TTYCODE_STRING, "smul" },
1.53 nicm 264: [TTYC_SMXX] = { TTYCODE_STRING, "smxx" },
1.38 nicm 265: [TTYC_SS] = { TTYCODE_STRING, "Ss" },
1.74 nicm 266: [TTYC_SYNC] = { TTYCODE_STRING, "Sync" },
1.45 nicm 267: [TTYC_TC] = { TTYCODE_FLAG, "Tc" },
1.38 nicm 268: [TTYC_TSL] = { TTYCODE_STRING, "tsl" },
1.57 nicm 269: [TTYC_U8] = { TTYCODE_NUMBER, "U8" },
1.38 nicm 270: [TTYC_VPA] = { TTYCODE_STRING, "vpa" },
271: [TTYC_XENL] = { TTYCODE_FLAG, "xenl" },
1.77 ! nicm 272: [TTYC_XT] = { TTYCODE_FLAG, "XT" }
1.38 nicm 273: };
274:
275: u_int
276: tty_term_ncodes(void)
277: {
278: return (nitems(tty_term_codes));
279: }
280:
1.46 nicm 281: static char *
1.1 nicm 282: tty_term_strip(const char *s)
283: {
284: const char *ptr;
1.68 nicm 285: static char buf[8192];
1.1 nicm 286: size_t len;
287:
288: /* Ignore strings with no padding. */
289: if (strchr(s, '$') == NULL)
290: return (xstrdup(s));
291:
292: len = 0;
293: for (ptr = s; *ptr != '\0'; ptr++) {
294: if (*ptr == '$' && *(ptr + 1) == '<') {
295: while (*ptr != '\0' && *ptr != '>')
296: ptr++;
297: if (*ptr == '>')
298: ptr++;
299: }
300:
301: buf[len++] = *ptr;
302: if (len == (sizeof buf) - 1)
303: break;
304: }
305: buf[len] = '\0';
306:
307: return (xstrdup(buf));
308: }
309:
1.60 nicm 310: static char *
311: tty_term_override_next(const char *s, size_t *offset)
312: {
1.68 nicm 313: static char value[8192];
1.60 nicm 314: size_t n = 0, at = *offset;
315:
316: if (s[at] == '\0')
317: return (NULL);
318:
319: while (s[at] != '\0') {
320: if (s[at] == ':') {
321: if (s[at + 1] == ':') {
322: value[n++] = ':';
323: at += 2;
324: } else
325: break;
326: } else {
327: value[n++] = s[at];
328: at++;
329: }
330: if (n == (sizeof value) - 1)
331: return (NULL);
332: }
333: if (s[at] != '\0')
334: *offset = at + 1;
335: else
336: *offset = at;
337: value[n] = '\0';
338: return (value);
339: }
340:
1.73 nicm 341: void
342: tty_term_apply(struct tty_term *term, const char *capabilities, int quiet)
1.1 nicm 343: {
1.19 nicm 344: const struct tty_term_code_entry *ent;
345: struct tty_code *code;
1.60 nicm 346: size_t offset = 0;
347: char *cp, *value, *s;
1.73 nicm 348: const char *errstr, *name = term->name;
1.19 nicm 349: u_int i;
1.49 nicm 350: int n, remove;
1.5 nicm 351:
1.73 nicm 352: while ((s = tty_term_override_next(capabilities, &offset)) != NULL) {
1.49 nicm 353: if (*s == '\0')
1.5 nicm 354: continue;
1.49 nicm 355: value = NULL;
356:
357: remove = 0;
358: if ((cp = strchr(s, '=')) != NULL) {
359: *cp++ = '\0';
360: value = xstrdup(cp);
361: if (strunvis(value, cp) == -1) {
362: free(value);
363: value = xstrdup(cp);
364: }
365: } else if (s[strlen(s) - 1] == '@') {
366: s[strlen(s) - 1] = '\0';
367: remove = 1;
368: } else
369: value = xstrdup("");
370:
1.73 nicm 371: if (!quiet) {
372: if (remove)
373: log_debug("%s override: %s@", name, s);
374: else if (*value == '\0')
375: log_debug("%s override: %s", name, s);
376: else
377: log_debug("%s override: %s=%s", name, s, value);
378: }
1.49 nicm 379:
380: for (i = 0; i < tty_term_ncodes(); i++) {
381: ent = &tty_term_codes[i];
382: if (strcmp(s, ent->name) != 0)
1.5 nicm 383: continue;
1.49 nicm 384: code = &term->codes[i];
1.5 nicm 385:
1.49 nicm 386: if (remove) {
387: code->type = TTYCODE_NONE;
388: continue;
389: }
390: switch (ent->type) {
391: case TTYCODE_NONE:
392: break;
393: case TTYCODE_STRING:
394: if (code->type == TTYCODE_STRING)
395: free(code->value.string);
396: code->value.string = xstrdup(value);
397: code->type = ent->type;
398: break;
399: case TTYCODE_NUMBER:
400: n = strtonum(value, 0, INT_MAX, &errstr);
401: if (errstr != NULL)
1.5 nicm 402: break;
1.49 nicm 403: code->value.number = n;
404: code->type = ent->type;
405: break;
406: case TTYCODE_FLAG:
407: code->value.flag = 1;
408: code->type = ent->type;
409: break;
1.5 nicm 410: }
1.49 nicm 411: }
1.5 nicm 412:
1.49 nicm 413: free(value);
1.1 nicm 414: }
415: }
416:
1.75 nicm 417: void
418: tty_term_apply_overrides(struct tty_term *term)
419: {
420: struct options_entry *o;
421: struct options_array_item *a;
422: union options_value *ov;
423: const char *s;
424: size_t offset;
425: char *first;
426:
427: o = options_get_only(global_options, "terminal-overrides");
428: a = options_array_first(o);
429: while (a != NULL) {
430: ov = options_array_item_value(a);
431: s = ov->string;
432:
433: offset = 0;
434: first = tty_term_override_next(s, &offset);
435: if (first != NULL && fnmatch(first, term->name, 0) == 0)
436: tty_term_apply(term, s + offset, 0);
437: a = options_array_next(a);
438: }
439: }
440:
1.1 nicm 441: struct tty_term *
1.73 nicm 442: tty_term_create(struct tty *tty, char *name, int *feat, int fd, char **cause)
1.1 nicm 443: {
1.19 nicm 444: struct tty_term *term;
445: const struct tty_term_code_entry *ent;
446: struct tty_code *code;
1.49 nicm 447: struct options_entry *o;
1.61 nicm 448: struct options_array_item *a;
1.62 nicm 449: union options_value *ov;
1.61 nicm 450: u_int i;
1.19 nicm 451: int n, error;
1.48 nicm 452: const char *s, *acs;
1.73 nicm 453: size_t offset;
454: char *first;
1.1 nicm 455:
1.73 nicm 456: log_debug("adding term %s", name);
1.1 nicm 457:
1.73 nicm 458: term = xcalloc(1, sizeof *term);
459: term->tty = tty;
1.1 nicm 460: term->name = xstrdup(name);
1.47 nicm 461: term->codes = xcalloc(tty_term_ncodes(), sizeof *term->codes);
1.20 nicm 462: LIST_INSERT_HEAD(&tty_terms, term, entry);
1.1 nicm 463:
1.3 nicm 464: /* Set up curses terminal. */
1.1 nicm 465: if (setupterm(name, fd, &error) != OK) {
466: switch (error) {
1.4 matthieu 467: case 1:
1.43 nicm 468: xasprintf(cause, "can't use hardcopy terminal: %s",
469: name);
1.4 matthieu 470: break;
1.1 nicm 471: case 0:
1.43 nicm 472: xasprintf(cause, "missing or unsuitable terminal: %s",
473: name);
1.1 nicm 474: break;
1.4 matthieu 475: case -1:
1.1 nicm 476: xasprintf(cause, "can't find terminfo database");
477: break;
478: default:
479: xasprintf(cause, "unknown error");
480: break;
481: }
482: goto error;
483: }
484:
485: /* Fill in codes. */
1.38 nicm 486: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 487: ent = &tty_term_codes[i];
488:
1.38 nicm 489: code = &term->codes[i];
1.1 nicm 490: code->type = TTYCODE_NONE;
491: switch (ent->type) {
492: case TTYCODE_NONE:
493: break;
494: case TTYCODE_STRING:
495: s = tigetstr((char *) ent->name);
496: if (s == NULL || s == (char *) -1)
497: break;
498: code->type = TTYCODE_STRING;
499: code->value.string = tty_term_strip(s);
500: break;
501: case TTYCODE_NUMBER:
502: n = tigetnum((char *) ent->name);
503: if (n == -1 || n == -2)
504: break;
505: code->type = TTYCODE_NUMBER;
506: code->value.number = n;
507: break;
508: case TTYCODE_FLAG:
509: n = tigetflag((char *) ent->name);
510: if (n == -1)
511: break;
512: code->type = TTYCODE_FLAG;
1.40 nicm 513: code->value.flag = n;
1.1 nicm 514: break;
515: }
516: }
1.33 nicm 517:
1.73 nicm 518: /* Apply terminal features. */
519: o = options_get_only(global_options, "terminal-features");
520: a = options_array_first(o);
521: while (a != NULL) {
522: ov = options_array_item_value(a);
523: s = ov->string;
524:
525: offset = 0;
526: first = tty_term_override_next(s, &offset);
527: if (first != NULL && fnmatch(first, term->name, 0) == 0)
528: tty_add_features(feat, s + offset, ":");
529: a = options_array_next(a);
530: }
531:
1.3 nicm 532: /* Delete curses data. */
1.1 nicm 533: del_curterm(cur_term);
534:
1.76 nicm 535: /* Apply overrides so any capabilities used for features are changed. */
536: tty_term_apply_overrides(term);
537:
1.1 nicm 538: /* These are always required. */
539: if (!tty_term_has(term, TTYC_CLEAR)) {
540: xasprintf(cause, "terminal does not support clear");
541: goto error;
542: }
543: if (!tty_term_has(term, TTYC_CUP)) {
544: xasprintf(cause, "terminal does not support cup");
545: goto error;
546: }
547:
548: /* These can be emulated so one of the two is required. */
549: if (!tty_term_has(term, TTYC_CUD1) && !tty_term_has(term, TTYC_CUD)) {
550: xasprintf(cause, "terminal does not support cud1 or cud");
551: goto error;
552: }
553:
1.73 nicm 554: /* Add RGB feature if terminal has RGB colours. */
555: if ((tty_term_flag(term, TTYC_TC) || tty_term_has(term, TTYC_RGB)) &&
556: (!tty_term_has(term, TTYC_SETRGBF) ||
557: !tty_term_has(term, TTYC_SETRGBB)))
558: tty_add_features(feat, "RGB", ":,");
559:
560: /* Add feature if terminal has XT. */
561: if (tty_term_flag(term, TTYC_XT))
562: tty_add_features(feat, "title", ":,");
563:
1.76 nicm 564: /* Apply the features and overrides again. */
1.73 nicm 565: tty_apply_features(term, *feat);
1.75 nicm 566: tty_term_apply_overrides(term);
1.71 nicm 567:
1.1 nicm 568: /*
569: * Terminals without xenl (eat newline glitch) wrap at at $COLUMNS - 1
570: * rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
571: *
572: * This is irritating, most notably because it is impossible to write
573: * to the very bottom-right of the screen without scrolling.
574: *
575: * Flag the terminal here and apply some workarounds in other places to
576: * do the best possible.
577: */
578: if (!tty_term_flag(term, TTYC_XENL))
1.70 nicm 579: term->flags |= TERM_NOXENL;
1.18 nicm 580:
581: /* Generate ACS table. If none is present, use nearest ASCII. */
582: memset(term->acs, 0, sizeof term->acs);
583: if (tty_term_has(term, TTYC_ACSC))
584: acs = tty_term_string(term, TTYC_ACSC);
585: else
586: acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~.";
587: for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2)
588: term->acs[(u_char) acs[0]][0] = acs[1];
1.22 nicm 589:
1.71 nicm 590: /* Log the capabilities. */
1.56 nicm 591: for (i = 0; i < tty_term_ncodes(); i++)
592: log_debug("%s%s", name, tty_term_describe(term, i));
1.55 nicm 593:
1.1 nicm 594: return (term);
595:
596: error:
597: tty_term_free(term);
598: return (NULL);
599: }
600:
601: void
602: tty_term_free(struct tty_term *term)
603: {
604: u_int i;
605:
1.73 nicm 606: log_debug("removing term %s", term->name);
1.1 nicm 607:
1.38 nicm 608: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 609: if (term->codes[i].type == TTYCODE_STRING)
1.29 nicm 610: free(term->codes[i].value.string);
1.1 nicm 611: }
1.38 nicm 612: free(term->codes);
613:
1.73 nicm 614: LIST_REMOVE(term, entry);
1.29 nicm 615: free(term->name);
616: free(term);
1.1 nicm 617: }
618:
619: int
620: tty_term_has(struct tty_term *term, enum tty_code_code code)
621: {
622: return (term->codes[code].type != TTYCODE_NONE);
623: }
624:
625: const char *
626: tty_term_string(struct tty_term *term, enum tty_code_code code)
627: {
628: if (!tty_term_has(term, code))
629: return ("");
630: if (term->codes[code].type != TTYCODE_STRING)
1.42 nicm 631: fatalx("not a string: %d", code);
1.1 nicm 632: return (term->codes[code].value.string);
633: }
634:
635: const char *
636: tty_term_string1(struct tty_term *term, enum tty_code_code code, int a)
637: {
638: return (tparm((char *) tty_term_string(term, code), a));
639: }
640:
641: const char *
642: tty_term_string2(struct tty_term *term, enum tty_code_code code, int a, int b)
1.23 nicm 643: {
644: return (tparm((char *) tty_term_string(term, code), a, b));
1.55 nicm 645: }
646:
647: const char *
1.69 nicm 648: tty_term_string3(struct tty_term *term, enum tty_code_code code, int a, int b,
649: int c)
1.55 nicm 650: {
651: return (tparm((char *) tty_term_string(term, code), a, b, c));
1.24 nicm 652: }
653:
654: const char *
655: tty_term_ptr1(struct tty_term *term, enum tty_code_code code, const void *a)
656: {
657: return (tparm((char *) tty_term_string(term, code), a));
1.23 nicm 658: }
659:
660: const char *
1.34 nicm 661: tty_term_ptr2(struct tty_term *term, enum tty_code_code code, const void *a,
662: const void *b)
1.1 nicm 663: {
664: return (tparm((char *) tty_term_string(term, code), a, b));
665: }
666:
667: int
668: tty_term_number(struct tty_term *term, enum tty_code_code code)
669: {
670: if (!tty_term_has(term, code))
671: return (0);
672: if (term->codes[code].type != TTYCODE_NUMBER)
1.42 nicm 673: fatalx("not a number: %d", code);
1.1 nicm 674: return (term->codes[code].value.number);
675: }
676:
677: int
678: tty_term_flag(struct tty_term *term, enum tty_code_code code)
679: {
680: if (!tty_term_has(term, code))
681: return (0);
682: if (term->codes[code].type != TTYCODE_FLAG)
1.42 nicm 683: fatalx("not a flag: %d", code);
1.1 nicm 684: return (term->codes[code].value.flag);
1.38 nicm 685: }
686:
687: const char *
688: tty_term_describe(struct tty_term *term, enum tty_code_code code)
689: {
690: static char s[256];
691: char out[128];
692:
693: switch (term->codes[code].type) {
694: case TTYCODE_NONE:
695: xsnprintf(s, sizeof s, "%4u: %s: [missing]",
696: code, tty_term_codes[code].name);
697: break;
698: case TTYCODE_STRING:
699: strnvis(out, term->codes[code].value.string, sizeof out,
1.65 nicm 700: VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL);
1.38 nicm 701: xsnprintf(s, sizeof s, "%4u: %s: (string) %s",
702: code, tty_term_codes[code].name,
703: out);
704: break;
705: case TTYCODE_NUMBER:
706: xsnprintf(s, sizeof s, "%4u: %s: (number) %d",
707: code, tty_term_codes[code].name,
708: term->codes[code].value.number);
709: break;
710: case TTYCODE_FLAG:
711: xsnprintf(s, sizeof s, "%4u: %s: (flag) %s",
712: code, tty_term_codes[code].name,
713: term->codes[code].value.flag ? "true" : "false");
714: break;
715: }
716: return (s);
1.1 nicm 717: }
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