Annotation of src/usr.bin/tmux/tty-term.c, Revision 1.79
1.79 ! nicm 1: /* $OpenBSD: tty-term.c,v 1.78 2020/05/16 14:34:44 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 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" },
1.79 ! nicm 86: [TTYC_DSFCS] = { TTYCODE_STRING, "Dsfcs" },
1.78 nicm 87: [TTYC_DSBP] = { TTYCODE_STRING, "Dsbp" },
1.77 nicm 88: [TTYC_DSMG] = { TTYCODE_STRING, "Dsmg" },
1.38 nicm 89: [TTYC_E3] = { TTYCODE_STRING, "E3" },
90: [TTYC_ECH] = { TTYCODE_STRING, "ech" },
1.50 nicm 91: [TTYC_ED] = { TTYCODE_STRING, "ed" },
1.57 nicm 92: [TTYC_EL1] = { TTYCODE_STRING, "el1" },
1.38 nicm 93: [TTYC_EL] = { TTYCODE_STRING, "el" },
94: [TTYC_ENACS] = { TTYCODE_STRING, "enacs" },
1.78 nicm 95: [TTYC_ENBP] = { TTYCODE_STRING, "Enbp" },
1.79 ! nicm 96: [TTYC_ENFCS] = { TTYCODE_STRING, "Enfcs" },
1.77 nicm 97: [TTYC_ENMG] = { TTYCODE_STRING, "Enmg" },
1.38 nicm 98: [TTYC_FSL] = { TTYCODE_STRING, "fsl" },
99: [TTYC_HOME] = { TTYCODE_STRING, "home" },
100: [TTYC_HPA] = { TTYCODE_STRING, "hpa" },
1.57 nicm 101: [TTYC_ICH1] = { TTYCODE_STRING, "ich1" },
1.38 nicm 102: [TTYC_ICH] = { TTYCODE_STRING, "ich" },
1.57 nicm 103: [TTYC_IL1] = { TTYCODE_STRING, "il1" },
1.38 nicm 104: [TTYC_IL] = { TTYCODE_STRING, "il" },
1.51 nicm 105: [TTYC_INDN] = { TTYCODE_STRING, "indn" },
1.38 nicm 106: [TTYC_INVIS] = { TTYCODE_STRING, "invis" },
107: [TTYC_KCBT] = { TTYCODE_STRING, "kcbt" },
108: [TTYC_KCUB1] = { TTYCODE_STRING, "kcub1" },
109: [TTYC_KCUD1] = { TTYCODE_STRING, "kcud1" },
110: [TTYC_KCUF1] = { TTYCODE_STRING, "kcuf1" },
111: [TTYC_KCUU1] = { TTYCODE_STRING, "kcuu1" },
112: [TTYC_KDC2] = { TTYCODE_STRING, "kDC" },
113: [TTYC_KDC3] = { TTYCODE_STRING, "kDC3" },
114: [TTYC_KDC4] = { TTYCODE_STRING, "kDC4" },
115: [TTYC_KDC5] = { TTYCODE_STRING, "kDC5" },
116: [TTYC_KDC6] = { TTYCODE_STRING, "kDC6" },
117: [TTYC_KDC7] = { TTYCODE_STRING, "kDC7" },
118: [TTYC_KDCH1] = { TTYCODE_STRING, "kdch1" },
1.57 nicm 119: [TTYC_KDN2] = { TTYCODE_STRING, "kDN" }, /* not kDN2 */
1.38 nicm 120: [TTYC_KDN3] = { TTYCODE_STRING, "kDN3" },
121: [TTYC_KDN4] = { TTYCODE_STRING, "kDN4" },
122: [TTYC_KDN5] = { TTYCODE_STRING, "kDN5" },
123: [TTYC_KDN6] = { TTYCODE_STRING, "kDN6" },
124: [TTYC_KDN7] = { TTYCODE_STRING, "kDN7" },
125: [TTYC_KEND2] = { TTYCODE_STRING, "kEND" },
126: [TTYC_KEND3] = { TTYCODE_STRING, "kEND3" },
127: [TTYC_KEND4] = { TTYCODE_STRING, "kEND4" },
128: [TTYC_KEND5] = { TTYCODE_STRING, "kEND5" },
129: [TTYC_KEND6] = { TTYCODE_STRING, "kEND6" },
130: [TTYC_KEND7] = { TTYCODE_STRING, "kEND7" },
1.57 nicm 131: [TTYC_KEND] = { TTYCODE_STRING, "kend" },
1.38 nicm 132: [TTYC_KF10] = { TTYCODE_STRING, "kf10" },
133: [TTYC_KF11] = { TTYCODE_STRING, "kf11" },
134: [TTYC_KF12] = { TTYCODE_STRING, "kf12" },
135: [TTYC_KF13] = { TTYCODE_STRING, "kf13" },
136: [TTYC_KF14] = { TTYCODE_STRING, "kf14" },
137: [TTYC_KF15] = { TTYCODE_STRING, "kf15" },
138: [TTYC_KF16] = { TTYCODE_STRING, "kf16" },
139: [TTYC_KF17] = { TTYCODE_STRING, "kf17" },
140: [TTYC_KF18] = { TTYCODE_STRING, "kf18" },
141: [TTYC_KF19] = { TTYCODE_STRING, "kf19" },
1.57 nicm 142: [TTYC_KF1] = { TTYCODE_STRING, "kf1" },
1.38 nicm 143: [TTYC_KF20] = { TTYCODE_STRING, "kf20" },
144: [TTYC_KF21] = { TTYCODE_STRING, "kf21" },
145: [TTYC_KF22] = { TTYCODE_STRING, "kf22" },
146: [TTYC_KF23] = { TTYCODE_STRING, "kf23" },
147: [TTYC_KF24] = { TTYCODE_STRING, "kf24" },
148: [TTYC_KF25] = { TTYCODE_STRING, "kf25" },
149: [TTYC_KF26] = { TTYCODE_STRING, "kf26" },
150: [TTYC_KF27] = { TTYCODE_STRING, "kf27" },
151: [TTYC_KF28] = { TTYCODE_STRING, "kf28" },
152: [TTYC_KF29] = { TTYCODE_STRING, "kf29" },
1.57 nicm 153: [TTYC_KF2] = { TTYCODE_STRING, "kf2" },
1.38 nicm 154: [TTYC_KF30] = { TTYCODE_STRING, "kf30" },
155: [TTYC_KF31] = { TTYCODE_STRING, "kf31" },
156: [TTYC_KF32] = { TTYCODE_STRING, "kf32" },
157: [TTYC_KF33] = { TTYCODE_STRING, "kf33" },
158: [TTYC_KF34] = { TTYCODE_STRING, "kf34" },
159: [TTYC_KF35] = { TTYCODE_STRING, "kf35" },
160: [TTYC_KF36] = { TTYCODE_STRING, "kf36" },
161: [TTYC_KF37] = { TTYCODE_STRING, "kf37" },
162: [TTYC_KF38] = { TTYCODE_STRING, "kf38" },
163: [TTYC_KF39] = { TTYCODE_STRING, "kf39" },
1.57 nicm 164: [TTYC_KF3] = { TTYCODE_STRING, "kf3" },
1.38 nicm 165: [TTYC_KF40] = { TTYCODE_STRING, "kf40" },
166: [TTYC_KF41] = { TTYCODE_STRING, "kf41" },
167: [TTYC_KF42] = { TTYCODE_STRING, "kf42" },
168: [TTYC_KF43] = { TTYCODE_STRING, "kf43" },
169: [TTYC_KF44] = { TTYCODE_STRING, "kf44" },
170: [TTYC_KF45] = { TTYCODE_STRING, "kf45" },
171: [TTYC_KF46] = { TTYCODE_STRING, "kf46" },
172: [TTYC_KF47] = { TTYCODE_STRING, "kf47" },
173: [TTYC_KF48] = { TTYCODE_STRING, "kf48" },
174: [TTYC_KF49] = { TTYCODE_STRING, "kf49" },
1.57 nicm 175: [TTYC_KF4] = { TTYCODE_STRING, "kf4" },
1.38 nicm 176: [TTYC_KF50] = { TTYCODE_STRING, "kf50" },
177: [TTYC_KF51] = { TTYCODE_STRING, "kf51" },
178: [TTYC_KF52] = { TTYCODE_STRING, "kf52" },
179: [TTYC_KF53] = { TTYCODE_STRING, "kf53" },
180: [TTYC_KF54] = { TTYCODE_STRING, "kf54" },
181: [TTYC_KF55] = { TTYCODE_STRING, "kf55" },
182: [TTYC_KF56] = { TTYCODE_STRING, "kf56" },
183: [TTYC_KF57] = { TTYCODE_STRING, "kf57" },
184: [TTYC_KF58] = { TTYCODE_STRING, "kf58" },
185: [TTYC_KF59] = { TTYCODE_STRING, "kf59" },
1.57 nicm 186: [TTYC_KF5] = { TTYCODE_STRING, "kf5" },
1.38 nicm 187: [TTYC_KF60] = { TTYCODE_STRING, "kf60" },
188: [TTYC_KF61] = { TTYCODE_STRING, "kf61" },
189: [TTYC_KF62] = { TTYCODE_STRING, "kf62" },
190: [TTYC_KF63] = { TTYCODE_STRING, "kf63" },
1.57 nicm 191: [TTYC_KF6] = { TTYCODE_STRING, "kf6" },
1.38 nicm 192: [TTYC_KF7] = { TTYCODE_STRING, "kf7" },
193: [TTYC_KF8] = { TTYCODE_STRING, "kf8" },
194: [TTYC_KF9] = { TTYCODE_STRING, "kf9" },
195: [TTYC_KHOM2] = { TTYCODE_STRING, "kHOM" },
196: [TTYC_KHOM3] = { TTYCODE_STRING, "kHOM3" },
197: [TTYC_KHOM4] = { TTYCODE_STRING, "kHOM4" },
198: [TTYC_KHOM5] = { TTYCODE_STRING, "kHOM5" },
199: [TTYC_KHOM6] = { TTYCODE_STRING, "kHOM6" },
200: [TTYC_KHOM7] = { TTYCODE_STRING, "kHOM7" },
201: [TTYC_KHOME] = { TTYCODE_STRING, "khome" },
202: [TTYC_KIC2] = { TTYCODE_STRING, "kIC" },
203: [TTYC_KIC3] = { TTYCODE_STRING, "kIC3" },
204: [TTYC_KIC4] = { TTYCODE_STRING, "kIC4" },
205: [TTYC_KIC5] = { TTYCODE_STRING, "kIC5" },
206: [TTYC_KIC6] = { TTYCODE_STRING, "kIC6" },
207: [TTYC_KIC7] = { TTYCODE_STRING, "kIC7" },
208: [TTYC_KICH1] = { TTYCODE_STRING, "kich1" },
1.57 nicm 209: [TTYC_KIND] = { TTYCODE_STRING, "kind" },
1.38 nicm 210: [TTYC_KLFT2] = { TTYCODE_STRING, "kLFT" },
211: [TTYC_KLFT3] = { TTYCODE_STRING, "kLFT3" },
212: [TTYC_KLFT4] = { TTYCODE_STRING, "kLFT4" },
213: [TTYC_KLFT5] = { TTYCODE_STRING, "kLFT5" },
214: [TTYC_KLFT6] = { TTYCODE_STRING, "kLFT6" },
215: [TTYC_KLFT7] = { TTYCODE_STRING, "kLFT7" },
216: [TTYC_KMOUS] = { TTYCODE_STRING, "kmous" },
217: [TTYC_KNP] = { TTYCODE_STRING, "knp" },
218: [TTYC_KNXT2] = { TTYCODE_STRING, "kNXT" },
219: [TTYC_KNXT3] = { TTYCODE_STRING, "kNXT3" },
220: [TTYC_KNXT4] = { TTYCODE_STRING, "kNXT4" },
221: [TTYC_KNXT5] = { TTYCODE_STRING, "kNXT5" },
222: [TTYC_KNXT6] = { TTYCODE_STRING, "kNXT6" },
223: [TTYC_KNXT7] = { TTYCODE_STRING, "kNXT7" },
224: [TTYC_KPP] = { TTYCODE_STRING, "kpp" },
225: [TTYC_KPRV2] = { TTYCODE_STRING, "kPRV" },
226: [TTYC_KPRV3] = { TTYCODE_STRING, "kPRV3" },
227: [TTYC_KPRV4] = { TTYCODE_STRING, "kPRV4" },
228: [TTYC_KPRV5] = { TTYCODE_STRING, "kPRV5" },
229: [TTYC_KPRV6] = { TTYCODE_STRING, "kPRV6" },
230: [TTYC_KPRV7] = { TTYCODE_STRING, "kPRV7" },
231: [TTYC_KRIT2] = { TTYCODE_STRING, "kRIT" },
232: [TTYC_KRIT3] = { TTYCODE_STRING, "kRIT3" },
233: [TTYC_KRIT4] = { TTYCODE_STRING, "kRIT4" },
234: [TTYC_KRIT5] = { TTYCODE_STRING, "kRIT5" },
235: [TTYC_KRIT6] = { TTYCODE_STRING, "kRIT6" },
236: [TTYC_KRIT7] = { TTYCODE_STRING, "kRIT7" },
1.57 nicm 237: [TTYC_KRI] = { TTYCODE_STRING, "kri" },
238: [TTYC_KUP2] = { TTYCODE_STRING, "kUP" }, /* not kUP2 */
1.38 nicm 239: [TTYC_KUP3] = { TTYCODE_STRING, "kUP3" },
240: [TTYC_KUP4] = { TTYCODE_STRING, "kUP4" },
241: [TTYC_KUP5] = { TTYCODE_STRING, "kUP5" },
242: [TTYC_KUP6] = { TTYCODE_STRING, "kUP6" },
243: [TTYC_KUP7] = { TTYCODE_STRING, "kUP7" },
244: [TTYC_MS] = { TTYCODE_STRING, "Ms" },
245: [TTYC_OP] = { TTYCODE_STRING, "op" },
246: [TTYC_REV] = { TTYCODE_STRING, "rev" },
1.58 nicm 247: [TTYC_RGB] = { TTYCODE_FLAG, "RGB" },
1.77 nicm 248: [TTYC_RIN] = { TTYCODE_STRING, "rin" },
1.38 nicm 249: [TTYC_RI] = { TTYCODE_STRING, "ri" },
250: [TTYC_RMACS] = { TTYCODE_STRING, "rmacs" },
251: [TTYC_RMCUP] = { TTYCODE_STRING, "rmcup" },
252: [TTYC_RMKX] = { TTYCODE_STRING, "rmkx" },
253: [TTYC_SETAB] = { TTYCODE_STRING, "setab" },
254: [TTYC_SETAF] = { TTYCODE_STRING, "setaf" },
1.55 nicm 255: [TTYC_SETRGBB] = { TTYCODE_STRING, "setrgbb" },
256: [TTYC_SETRGBF] = { TTYCODE_STRING, "setrgbf" },
1.66 nicm 257: [TTYC_SETULC] = { TTYCODE_STRING, "Setulc" },
1.57 nicm 258: [TTYC_SE] = { TTYCODE_STRING, "Se" },
1.38 nicm 259: [TTYC_SGR0] = { TTYCODE_STRING, "sgr0" },
260: [TTYC_SITM] = { TTYCODE_STRING, "sitm" },
261: [TTYC_SMACS] = { TTYCODE_STRING, "smacs" },
262: [TTYC_SMCUP] = { TTYCODE_STRING, "smcup" },
263: [TTYC_SMKX] = { TTYCODE_STRING, "smkx" },
1.64 nicm 264: [TTYC_SMOL] = { TTYCODE_STRING, "Smol" },
1.38 nicm 265: [TTYC_SMSO] = { TTYCODE_STRING, "smso" },
1.60 nicm 266: [TTYC_SMULX] = { TTYCODE_STRING, "Smulx" },
1.38 nicm 267: [TTYC_SMUL] = { TTYCODE_STRING, "smul" },
1.53 nicm 268: [TTYC_SMXX] = { TTYCODE_STRING, "smxx" },
1.38 nicm 269: [TTYC_SS] = { TTYCODE_STRING, "Ss" },
1.74 nicm 270: [TTYC_SYNC] = { TTYCODE_STRING, "Sync" },
1.45 nicm 271: [TTYC_TC] = { TTYCODE_FLAG, "Tc" },
1.38 nicm 272: [TTYC_TSL] = { TTYCODE_STRING, "tsl" },
1.57 nicm 273: [TTYC_U8] = { TTYCODE_NUMBER, "U8" },
1.38 nicm 274: [TTYC_VPA] = { TTYCODE_STRING, "vpa" },
275: [TTYC_XENL] = { TTYCODE_FLAG, "xenl" },
1.77 nicm 276: [TTYC_XT] = { TTYCODE_FLAG, "XT" }
1.38 nicm 277: };
278:
279: u_int
280: tty_term_ncodes(void)
281: {
282: return (nitems(tty_term_codes));
283: }
284:
1.46 nicm 285: static char *
1.1 nicm 286: tty_term_strip(const char *s)
287: {
288: const char *ptr;
1.68 nicm 289: static char buf[8192];
1.1 nicm 290: size_t len;
291:
292: /* Ignore strings with no padding. */
293: if (strchr(s, '$') == NULL)
294: return (xstrdup(s));
295:
296: len = 0;
297: for (ptr = s; *ptr != '\0'; ptr++) {
298: if (*ptr == '$' && *(ptr + 1) == '<') {
299: while (*ptr != '\0' && *ptr != '>')
300: ptr++;
301: if (*ptr == '>')
302: ptr++;
303: }
304:
305: buf[len++] = *ptr;
306: if (len == (sizeof buf) - 1)
307: break;
308: }
309: buf[len] = '\0';
310:
311: return (xstrdup(buf));
312: }
313:
1.60 nicm 314: static char *
315: tty_term_override_next(const char *s, size_t *offset)
316: {
1.68 nicm 317: static char value[8192];
1.60 nicm 318: size_t n = 0, at = *offset;
319:
320: if (s[at] == '\0')
321: return (NULL);
322:
323: while (s[at] != '\0') {
324: if (s[at] == ':') {
325: if (s[at + 1] == ':') {
326: value[n++] = ':';
327: at += 2;
328: } else
329: break;
330: } else {
331: value[n++] = s[at];
332: at++;
333: }
334: if (n == (sizeof value) - 1)
335: return (NULL);
336: }
337: if (s[at] != '\0')
338: *offset = at + 1;
339: else
340: *offset = at;
341: value[n] = '\0';
342: return (value);
343: }
344:
1.73 nicm 345: void
346: tty_term_apply(struct tty_term *term, const char *capabilities, int quiet)
1.1 nicm 347: {
1.19 nicm 348: const struct tty_term_code_entry *ent;
349: struct tty_code *code;
1.60 nicm 350: size_t offset = 0;
351: char *cp, *value, *s;
1.73 nicm 352: const char *errstr, *name = term->name;
1.19 nicm 353: u_int i;
1.49 nicm 354: int n, remove;
1.5 nicm 355:
1.73 nicm 356: while ((s = tty_term_override_next(capabilities, &offset)) != NULL) {
1.49 nicm 357: if (*s == '\0')
1.5 nicm 358: continue;
1.49 nicm 359: value = NULL;
360:
361: remove = 0;
362: if ((cp = strchr(s, '=')) != NULL) {
363: *cp++ = '\0';
364: value = xstrdup(cp);
365: if (strunvis(value, cp) == -1) {
366: free(value);
367: value = xstrdup(cp);
368: }
369: } else if (s[strlen(s) - 1] == '@') {
370: s[strlen(s) - 1] = '\0';
371: remove = 1;
372: } else
373: value = xstrdup("");
374:
1.73 nicm 375: if (!quiet) {
376: if (remove)
377: log_debug("%s override: %s@", name, s);
378: else if (*value == '\0')
379: log_debug("%s override: %s", name, s);
380: else
381: log_debug("%s override: %s=%s", name, s, value);
382: }
1.49 nicm 383:
384: for (i = 0; i < tty_term_ncodes(); i++) {
385: ent = &tty_term_codes[i];
386: if (strcmp(s, ent->name) != 0)
1.5 nicm 387: continue;
1.49 nicm 388: code = &term->codes[i];
1.5 nicm 389:
1.49 nicm 390: if (remove) {
391: code->type = TTYCODE_NONE;
392: continue;
393: }
394: switch (ent->type) {
395: case TTYCODE_NONE:
396: break;
397: case TTYCODE_STRING:
398: if (code->type == TTYCODE_STRING)
399: free(code->value.string);
400: code->value.string = xstrdup(value);
401: code->type = ent->type;
402: break;
403: case TTYCODE_NUMBER:
404: n = strtonum(value, 0, INT_MAX, &errstr);
405: if (errstr != NULL)
1.5 nicm 406: break;
1.49 nicm 407: code->value.number = n;
408: code->type = ent->type;
409: break;
410: case TTYCODE_FLAG:
411: code->value.flag = 1;
412: code->type = ent->type;
413: break;
1.5 nicm 414: }
1.49 nicm 415: }
1.5 nicm 416:
1.49 nicm 417: free(value);
1.1 nicm 418: }
419: }
420:
1.75 nicm 421: void
422: tty_term_apply_overrides(struct tty_term *term)
423: {
424: struct options_entry *o;
425: struct options_array_item *a;
426: union options_value *ov;
427: const char *s;
428: size_t offset;
429: char *first;
430:
431: o = options_get_only(global_options, "terminal-overrides");
432: a = options_array_first(o);
433: while (a != NULL) {
434: ov = options_array_item_value(a);
435: s = ov->string;
436:
437: offset = 0;
438: first = tty_term_override_next(s, &offset);
439: if (first != NULL && fnmatch(first, term->name, 0) == 0)
440: tty_term_apply(term, s + offset, 0);
441: a = options_array_next(a);
442: }
443: }
444:
1.1 nicm 445: struct tty_term *
1.73 nicm 446: tty_term_create(struct tty *tty, char *name, int *feat, int fd, char **cause)
1.1 nicm 447: {
1.19 nicm 448: struct tty_term *term;
449: const struct tty_term_code_entry *ent;
450: struct tty_code *code;
1.49 nicm 451: struct options_entry *o;
1.61 nicm 452: struct options_array_item *a;
1.62 nicm 453: union options_value *ov;
1.61 nicm 454: u_int i;
1.19 nicm 455: int n, error;
1.48 nicm 456: const char *s, *acs;
1.73 nicm 457: size_t offset;
458: char *first;
1.1 nicm 459:
1.73 nicm 460: log_debug("adding term %s", name);
1.1 nicm 461:
1.73 nicm 462: term = xcalloc(1, sizeof *term);
463: term->tty = tty;
1.1 nicm 464: term->name = xstrdup(name);
1.47 nicm 465: term->codes = xcalloc(tty_term_ncodes(), sizeof *term->codes);
1.20 nicm 466: LIST_INSERT_HEAD(&tty_terms, term, entry);
1.1 nicm 467:
1.3 nicm 468: /* Set up curses terminal. */
1.1 nicm 469: if (setupterm(name, fd, &error) != OK) {
470: switch (error) {
1.4 matthieu 471: case 1:
1.43 nicm 472: xasprintf(cause, "can't use hardcopy terminal: %s",
473: name);
1.4 matthieu 474: break;
1.1 nicm 475: case 0:
1.43 nicm 476: xasprintf(cause, "missing or unsuitable terminal: %s",
477: name);
1.1 nicm 478: break;
1.4 matthieu 479: case -1:
1.1 nicm 480: xasprintf(cause, "can't find terminfo database");
481: break;
482: default:
483: xasprintf(cause, "unknown error");
484: break;
485: }
486: goto error;
487: }
488:
489: /* Fill in codes. */
1.38 nicm 490: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 491: ent = &tty_term_codes[i];
492:
1.38 nicm 493: code = &term->codes[i];
1.1 nicm 494: code->type = TTYCODE_NONE;
495: switch (ent->type) {
496: case TTYCODE_NONE:
497: break;
498: case TTYCODE_STRING:
499: s = tigetstr((char *) ent->name);
500: if (s == NULL || s == (char *) -1)
501: break;
502: code->type = TTYCODE_STRING;
503: code->value.string = tty_term_strip(s);
504: break;
505: case TTYCODE_NUMBER:
506: n = tigetnum((char *) ent->name);
507: if (n == -1 || n == -2)
508: break;
509: code->type = TTYCODE_NUMBER;
510: code->value.number = n;
511: break;
512: case TTYCODE_FLAG:
513: n = tigetflag((char *) ent->name);
514: if (n == -1)
515: break;
516: code->type = TTYCODE_FLAG;
1.40 nicm 517: code->value.flag = n;
1.1 nicm 518: break;
519: }
520: }
1.33 nicm 521:
1.73 nicm 522: /* Apply terminal features. */
523: o = options_get_only(global_options, "terminal-features");
524: a = options_array_first(o);
525: while (a != NULL) {
526: ov = options_array_item_value(a);
527: s = ov->string;
528:
529: offset = 0;
530: first = tty_term_override_next(s, &offset);
531: if (first != NULL && fnmatch(first, term->name, 0) == 0)
532: tty_add_features(feat, s + offset, ":");
533: a = options_array_next(a);
534: }
535:
1.3 nicm 536: /* Delete curses data. */
1.1 nicm 537: del_curterm(cur_term);
538:
1.76 nicm 539: /* Apply overrides so any capabilities used for features are changed. */
540: tty_term_apply_overrides(term);
541:
1.1 nicm 542: /* These are always required. */
543: if (!tty_term_has(term, TTYC_CLEAR)) {
544: xasprintf(cause, "terminal does not support clear");
545: goto error;
546: }
547: if (!tty_term_has(term, TTYC_CUP)) {
548: xasprintf(cause, "terminal does not support cup");
549: goto error;
550: }
551:
552: /* These can be emulated so one of the two is required. */
553: if (!tty_term_has(term, TTYC_CUD1) && !tty_term_has(term, TTYC_CUD)) {
554: xasprintf(cause, "terminal does not support cud1 or cud");
555: goto error;
556: }
557:
1.73 nicm 558: /* Add RGB feature if terminal has RGB colours. */
559: if ((tty_term_flag(term, TTYC_TC) || tty_term_has(term, TTYC_RGB)) &&
560: (!tty_term_has(term, TTYC_SETRGBF) ||
561: !tty_term_has(term, TTYC_SETRGBB)))
1.78 nicm 562: tty_add_features(feat, "RGB", ",");
1.73 nicm 563:
1.78 nicm 564: /* Add some features if terminal has XT. */
1.73 nicm 565: if (tty_term_flag(term, TTYC_XT))
1.79 ! nicm 566: tty_add_features(feat, "bpaste,focus,title", ",");
1.73 nicm 567:
1.76 nicm 568: /* Apply the features and overrides again. */
1.73 nicm 569: tty_apply_features(term, *feat);
1.75 nicm 570: tty_term_apply_overrides(term);
1.71 nicm 571:
1.1 nicm 572: /*
573: * Terminals without xenl (eat newline glitch) wrap at at $COLUMNS - 1
574: * rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
575: *
576: * This is irritating, most notably because it is impossible to write
577: * to the very bottom-right of the screen without scrolling.
578: *
579: * Flag the terminal here and apply some workarounds in other places to
580: * do the best possible.
581: */
582: if (!tty_term_flag(term, TTYC_XENL))
1.70 nicm 583: term->flags |= TERM_NOXENL;
1.18 nicm 584:
585: /* Generate ACS table. If none is present, use nearest ASCII. */
586: memset(term->acs, 0, sizeof term->acs);
587: if (tty_term_has(term, TTYC_ACSC))
588: acs = tty_term_string(term, TTYC_ACSC);
589: else
590: acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~.";
591: for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2)
592: term->acs[(u_char) acs[0]][0] = acs[1];
1.22 nicm 593:
1.71 nicm 594: /* Log the capabilities. */
1.56 nicm 595: for (i = 0; i < tty_term_ncodes(); i++)
596: log_debug("%s%s", name, tty_term_describe(term, i));
1.55 nicm 597:
1.1 nicm 598: return (term);
599:
600: error:
601: tty_term_free(term);
602: return (NULL);
603: }
604:
605: void
606: tty_term_free(struct tty_term *term)
607: {
608: u_int i;
609:
1.73 nicm 610: log_debug("removing term %s", term->name);
1.1 nicm 611:
1.38 nicm 612: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 613: if (term->codes[i].type == TTYCODE_STRING)
1.29 nicm 614: free(term->codes[i].value.string);
1.1 nicm 615: }
1.38 nicm 616: free(term->codes);
617:
1.73 nicm 618: LIST_REMOVE(term, entry);
1.29 nicm 619: free(term->name);
620: free(term);
1.1 nicm 621: }
622:
623: int
624: tty_term_has(struct tty_term *term, enum tty_code_code code)
625: {
626: return (term->codes[code].type != TTYCODE_NONE);
627: }
628:
629: const char *
630: tty_term_string(struct tty_term *term, enum tty_code_code code)
631: {
632: if (!tty_term_has(term, code))
633: return ("");
634: if (term->codes[code].type != TTYCODE_STRING)
1.42 nicm 635: fatalx("not a string: %d", code);
1.1 nicm 636: return (term->codes[code].value.string);
637: }
638:
639: const char *
640: tty_term_string1(struct tty_term *term, enum tty_code_code code, int a)
641: {
642: return (tparm((char *) tty_term_string(term, code), a));
643: }
644:
645: const char *
646: tty_term_string2(struct tty_term *term, enum tty_code_code code, int a, int b)
1.23 nicm 647: {
648: return (tparm((char *) tty_term_string(term, code), a, b));
1.55 nicm 649: }
650:
651: const char *
1.69 nicm 652: tty_term_string3(struct tty_term *term, enum tty_code_code code, int a, int b,
653: int c)
1.55 nicm 654: {
655: return (tparm((char *) tty_term_string(term, code), a, b, c));
1.24 nicm 656: }
657:
658: const char *
659: tty_term_ptr1(struct tty_term *term, enum tty_code_code code, const void *a)
660: {
661: return (tparm((char *) tty_term_string(term, code), a));
1.23 nicm 662: }
663:
664: const char *
1.34 nicm 665: tty_term_ptr2(struct tty_term *term, enum tty_code_code code, const void *a,
666: const void *b)
1.1 nicm 667: {
668: return (tparm((char *) tty_term_string(term, code), a, b));
669: }
670:
671: int
672: tty_term_number(struct tty_term *term, enum tty_code_code code)
673: {
674: if (!tty_term_has(term, code))
675: return (0);
676: if (term->codes[code].type != TTYCODE_NUMBER)
1.42 nicm 677: fatalx("not a number: %d", code);
1.1 nicm 678: return (term->codes[code].value.number);
679: }
680:
681: int
682: tty_term_flag(struct tty_term *term, enum tty_code_code code)
683: {
684: if (!tty_term_has(term, code))
685: return (0);
686: if (term->codes[code].type != TTYCODE_FLAG)
1.42 nicm 687: fatalx("not a flag: %d", code);
1.1 nicm 688: return (term->codes[code].value.flag);
1.38 nicm 689: }
690:
691: const char *
692: tty_term_describe(struct tty_term *term, enum tty_code_code code)
693: {
694: static char s[256];
695: char out[128];
696:
697: switch (term->codes[code].type) {
698: case TTYCODE_NONE:
699: xsnprintf(s, sizeof s, "%4u: %s: [missing]",
700: code, tty_term_codes[code].name);
701: break;
702: case TTYCODE_STRING:
703: strnvis(out, term->codes[code].value.string, sizeof out,
1.65 nicm 704: VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL);
1.38 nicm 705: xsnprintf(s, sizeof s, "%4u: %s: (string) %s",
706: code, tty_term_codes[code].name,
707: out);
708: break;
709: case TTYCODE_NUMBER:
710: xsnprintf(s, sizeof s, "%4u: %s: (number) %d",
711: code, tty_term_codes[code].name,
712: term->codes[code].value.number);
713: break;
714: case TTYCODE_FLAG:
715: xsnprintf(s, sizeof s, "%4u: %s: (flag) %s",
716: code, tty_term_codes[code].name,
717: term->codes[code].value.flag ? "true" : "false");
718: break;
719: }
720: return (s);
1.1 nicm 721: }