Annotation of src/usr.bin/tmux/tty-term.c, Revision 1.54
1.54 ! nicm 1: /* $OpenBSD: tty-term.c,v 1.53 2017/03/22 07:16:54 nicm Exp $ */
1.1 nicm 2:
3: /*
1.44 nicm 4: * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20:
1.3 nicm 21: #include <curses.h>
1.5 nicm 22: #include <fnmatch.h>
23: #include <stdlib.h>
1.1 nicm 24: #include <string.h>
25: #include <term.h>
1.5 nicm 26: #include <vis.h>
1.1 nicm 27:
28: #include "tmux.h"
29:
1.46 nicm 30: static void tty_term_override(struct tty_term *, const char *);
31: static char *tty_term_strip(const char *);
1.1 nicm 32:
1.20 nicm 33: struct tty_terms tty_terms = LIST_HEAD_INITIALIZER(tty_terms);
1.1 nicm 34:
1.38 nicm 35: enum tty_code_type {
36: TTYCODE_NONE = 0,
37: TTYCODE_STRING,
38: TTYCODE_NUMBER,
39: TTYCODE_FLAG,
1.1 nicm 40: };
41:
1.38 nicm 42: struct tty_code {
43: enum tty_code_type type;
44: union {
45: char *string;
46: int number;
47: int flag;
48: } value;
49: };
50:
51: struct tty_term_code_entry {
52: enum tty_code_type type;
53: const char *name;
54: };
55:
1.46 nicm 56: static const struct tty_term_code_entry tty_term_codes[] = {
1.38 nicm 57: [TTYC_ACSC] = { TTYCODE_STRING, "acsc" },
58: [TTYC_AX] = { TTYCODE_FLAG, "AX" },
59: [TTYC_BCE] = { TTYCODE_FLAG, "bce" },
60: [TTYC_BEL] = { TTYCODE_STRING, "bel" },
61: [TTYC_BLINK] = { TTYCODE_STRING, "blink" },
62: [TTYC_BOLD] = { TTYCODE_STRING, "bold" },
63: [TTYC_CIVIS] = { TTYCODE_STRING, "civis" },
64: [TTYC_CLEAR] = { TTYCODE_STRING, "clear" },
65: [TTYC_CNORM] = { TTYCODE_STRING, "cnorm" },
66: [TTYC_COLORS] = { TTYCODE_NUMBER, "colors" },
67: [TTYC_CR] = { TTYCODE_STRING, "Cr" },
68: [TTYC_CS] = { TTYCODE_STRING, "Cs" },
69: [TTYC_CSR] = { TTYCODE_STRING, "csr" },
70: [TTYC_CUB] = { TTYCODE_STRING, "cub" },
71: [TTYC_CUB1] = { TTYCODE_STRING, "cub1" },
72: [TTYC_CUD] = { TTYCODE_STRING, "cud" },
73: [TTYC_CUD1] = { TTYCODE_STRING, "cud1" },
74: [TTYC_CUF] = { TTYCODE_STRING, "cuf" },
75: [TTYC_CUF1] = { TTYCODE_STRING, "cuf1" },
76: [TTYC_CUP] = { TTYCODE_STRING, "cup" },
77: [TTYC_CUU] = { TTYCODE_STRING, "cuu" },
78: [TTYC_CUU1] = { TTYCODE_STRING, "cuu1" },
79: [TTYC_CVVIS] = { TTYCODE_STRING, "cvvis" },
80: [TTYC_DCH] = { TTYCODE_STRING, "dch" },
81: [TTYC_DCH1] = { TTYCODE_STRING, "dch1" },
82: [TTYC_DIM] = { TTYCODE_STRING, "dim" },
83: [TTYC_DL] = { TTYCODE_STRING, "dl" },
84: [TTYC_DL1] = { TTYCODE_STRING, "dl1" },
85: [TTYC_E3] = { TTYCODE_STRING, "E3" },
86: [TTYC_ECH] = { TTYCODE_STRING, "ech" },
1.50 nicm 87: [TTYC_ED] = { TTYCODE_STRING, "ed" },
1.38 nicm 88: [TTYC_EL] = { TTYCODE_STRING, "el" },
89: [TTYC_EL1] = { TTYCODE_STRING, "el1" },
90: [TTYC_ENACS] = { TTYCODE_STRING, "enacs" },
91: [TTYC_FSL] = { TTYCODE_STRING, "fsl" },
92: [TTYC_HOME] = { TTYCODE_STRING, "home" },
93: [TTYC_HPA] = { TTYCODE_STRING, "hpa" },
94: [TTYC_ICH] = { TTYCODE_STRING, "ich" },
95: [TTYC_ICH1] = { TTYCODE_STRING, "ich1" },
96: [TTYC_IL] = { TTYCODE_STRING, "il" },
97: [TTYC_IL1] = { TTYCODE_STRING, "il1" },
1.51 nicm 98: [TTYC_INDN] = { TTYCODE_STRING, "indn" },
1.38 nicm 99: [TTYC_INVIS] = { TTYCODE_STRING, "invis" },
100: [TTYC_KCBT] = { TTYCODE_STRING, "kcbt" },
101: [TTYC_KCUB1] = { TTYCODE_STRING, "kcub1" },
102: [TTYC_KCUD1] = { TTYCODE_STRING, "kcud1" },
103: [TTYC_KCUF1] = { TTYCODE_STRING, "kcuf1" },
104: [TTYC_KCUU1] = { TTYCODE_STRING, "kcuu1" },
105: [TTYC_KDC2] = { TTYCODE_STRING, "kDC" },
106: [TTYC_KDC3] = { TTYCODE_STRING, "kDC3" },
107: [TTYC_KDC4] = { TTYCODE_STRING, "kDC4" },
108: [TTYC_KDC5] = { TTYCODE_STRING, "kDC5" },
109: [TTYC_KDC6] = { TTYCODE_STRING, "kDC6" },
110: [TTYC_KDC7] = { TTYCODE_STRING, "kDC7" },
111: [TTYC_KDCH1] = { TTYCODE_STRING, "kdch1" },
112: [TTYC_KDN2] = { TTYCODE_STRING, "kDN" },
113: [TTYC_KDN3] = { TTYCODE_STRING, "kDN3" },
114: [TTYC_KDN4] = { TTYCODE_STRING, "kDN4" },
115: [TTYC_KDN5] = { TTYCODE_STRING, "kDN5" },
116: [TTYC_KDN6] = { TTYCODE_STRING, "kDN6" },
117: [TTYC_KDN7] = { TTYCODE_STRING, "kDN7" },
118: [TTYC_KEND] = { TTYCODE_STRING, "kend" },
119: [TTYC_KEND2] = { TTYCODE_STRING, "kEND" },
120: [TTYC_KEND3] = { TTYCODE_STRING, "kEND3" },
121: [TTYC_KEND4] = { TTYCODE_STRING, "kEND4" },
122: [TTYC_KEND5] = { TTYCODE_STRING, "kEND5" },
123: [TTYC_KEND6] = { TTYCODE_STRING, "kEND6" },
124: [TTYC_KEND7] = { TTYCODE_STRING, "kEND7" },
125: [TTYC_KF1] = { TTYCODE_STRING, "kf1" },
126: [TTYC_KF10] = { TTYCODE_STRING, "kf10" },
127: [TTYC_KF11] = { TTYCODE_STRING, "kf11" },
128: [TTYC_KF12] = { TTYCODE_STRING, "kf12" },
129: [TTYC_KF13] = { TTYCODE_STRING, "kf13" },
130: [TTYC_KF14] = { TTYCODE_STRING, "kf14" },
131: [TTYC_KF15] = { TTYCODE_STRING, "kf15" },
132: [TTYC_KF16] = { TTYCODE_STRING, "kf16" },
133: [TTYC_KF17] = { TTYCODE_STRING, "kf17" },
134: [TTYC_KF18] = { TTYCODE_STRING, "kf18" },
135: [TTYC_KF19] = { TTYCODE_STRING, "kf19" },
136: [TTYC_KF2] = { TTYCODE_STRING, "kf2" },
137: [TTYC_KF20] = { TTYCODE_STRING, "kf20" },
138: [TTYC_KF21] = { TTYCODE_STRING, "kf21" },
139: [TTYC_KF22] = { TTYCODE_STRING, "kf22" },
140: [TTYC_KF23] = { TTYCODE_STRING, "kf23" },
141: [TTYC_KF24] = { TTYCODE_STRING, "kf24" },
142: [TTYC_KF25] = { TTYCODE_STRING, "kf25" },
143: [TTYC_KF26] = { TTYCODE_STRING, "kf26" },
144: [TTYC_KF27] = { TTYCODE_STRING, "kf27" },
145: [TTYC_KF28] = { TTYCODE_STRING, "kf28" },
146: [TTYC_KF29] = { TTYCODE_STRING, "kf29" },
147: [TTYC_KF3] = { TTYCODE_STRING, "kf3" },
148: [TTYC_KF30] = { TTYCODE_STRING, "kf30" },
149: [TTYC_KF31] = { TTYCODE_STRING, "kf31" },
150: [TTYC_KF32] = { TTYCODE_STRING, "kf32" },
151: [TTYC_KF33] = { TTYCODE_STRING, "kf33" },
152: [TTYC_KF34] = { TTYCODE_STRING, "kf34" },
153: [TTYC_KF35] = { TTYCODE_STRING, "kf35" },
154: [TTYC_KF36] = { TTYCODE_STRING, "kf36" },
155: [TTYC_KF37] = { TTYCODE_STRING, "kf37" },
156: [TTYC_KF38] = { TTYCODE_STRING, "kf38" },
157: [TTYC_KF39] = { TTYCODE_STRING, "kf39" },
158: [TTYC_KF4] = { TTYCODE_STRING, "kf4" },
159: [TTYC_KF40] = { TTYCODE_STRING, "kf40" },
160: [TTYC_KF41] = { TTYCODE_STRING, "kf41" },
161: [TTYC_KF42] = { TTYCODE_STRING, "kf42" },
162: [TTYC_KF43] = { TTYCODE_STRING, "kf43" },
163: [TTYC_KF44] = { TTYCODE_STRING, "kf44" },
164: [TTYC_KF45] = { TTYCODE_STRING, "kf45" },
165: [TTYC_KF46] = { TTYCODE_STRING, "kf46" },
166: [TTYC_KF47] = { TTYCODE_STRING, "kf47" },
167: [TTYC_KF48] = { TTYCODE_STRING, "kf48" },
168: [TTYC_KF49] = { TTYCODE_STRING, "kf49" },
169: [TTYC_KF5] = { TTYCODE_STRING, "kf5" },
170: [TTYC_KF50] = { TTYCODE_STRING, "kf50" },
171: [TTYC_KF51] = { TTYCODE_STRING, "kf51" },
172: [TTYC_KF52] = { TTYCODE_STRING, "kf52" },
173: [TTYC_KF53] = { TTYCODE_STRING, "kf53" },
174: [TTYC_KF54] = { TTYCODE_STRING, "kf54" },
175: [TTYC_KF55] = { TTYCODE_STRING, "kf55" },
176: [TTYC_KF56] = { TTYCODE_STRING, "kf56" },
177: [TTYC_KF57] = { TTYCODE_STRING, "kf57" },
178: [TTYC_KF58] = { TTYCODE_STRING, "kf58" },
179: [TTYC_KF59] = { TTYCODE_STRING, "kf59" },
180: [TTYC_KF6] = { TTYCODE_STRING, "kf6" },
181: [TTYC_KF60] = { TTYCODE_STRING, "kf60" },
182: [TTYC_KF61] = { TTYCODE_STRING, "kf61" },
183: [TTYC_KF62] = { TTYCODE_STRING, "kf62" },
184: [TTYC_KF63] = { TTYCODE_STRING, "kf63" },
185: [TTYC_KF7] = { TTYCODE_STRING, "kf7" },
186: [TTYC_KF8] = { TTYCODE_STRING, "kf8" },
187: [TTYC_KF9] = { TTYCODE_STRING, "kf9" },
188: [TTYC_KHOM2] = { TTYCODE_STRING, "kHOM" },
189: [TTYC_KHOM3] = { TTYCODE_STRING, "kHOM3" },
190: [TTYC_KHOM4] = { TTYCODE_STRING, "kHOM4" },
191: [TTYC_KHOM5] = { TTYCODE_STRING, "kHOM5" },
192: [TTYC_KHOM6] = { TTYCODE_STRING, "kHOM6" },
193: [TTYC_KHOM7] = { TTYCODE_STRING, "kHOM7" },
194: [TTYC_KHOME] = { TTYCODE_STRING, "khome" },
195: [TTYC_KIC2] = { TTYCODE_STRING, "kIC" },
196: [TTYC_KIC3] = { TTYCODE_STRING, "kIC3" },
197: [TTYC_KIC4] = { TTYCODE_STRING, "kIC4" },
198: [TTYC_KIC5] = { TTYCODE_STRING, "kIC5" },
199: [TTYC_KIC6] = { TTYCODE_STRING, "kIC6" },
200: [TTYC_KIC7] = { TTYCODE_STRING, "kIC7" },
201: [TTYC_KICH1] = { TTYCODE_STRING, "kich1" },
202: [TTYC_KLFT2] = { TTYCODE_STRING, "kLFT" },
203: [TTYC_KLFT3] = { TTYCODE_STRING, "kLFT3" },
204: [TTYC_KLFT4] = { TTYCODE_STRING, "kLFT4" },
205: [TTYC_KLFT5] = { TTYCODE_STRING, "kLFT5" },
206: [TTYC_KLFT6] = { TTYCODE_STRING, "kLFT6" },
207: [TTYC_KLFT7] = { TTYCODE_STRING, "kLFT7" },
208: [TTYC_KMOUS] = { TTYCODE_STRING, "kmous" },
209: [TTYC_KNP] = { TTYCODE_STRING, "knp" },
210: [TTYC_KNXT2] = { TTYCODE_STRING, "kNXT" },
211: [TTYC_KNXT3] = { TTYCODE_STRING, "kNXT3" },
212: [TTYC_KNXT4] = { TTYCODE_STRING, "kNXT4" },
213: [TTYC_KNXT5] = { TTYCODE_STRING, "kNXT5" },
214: [TTYC_KNXT6] = { TTYCODE_STRING, "kNXT6" },
215: [TTYC_KNXT7] = { TTYCODE_STRING, "kNXT7" },
216: [TTYC_KPP] = { TTYCODE_STRING, "kpp" },
217: [TTYC_KPRV2] = { TTYCODE_STRING, "kPRV" },
218: [TTYC_KPRV3] = { TTYCODE_STRING, "kPRV3" },
219: [TTYC_KPRV4] = { TTYCODE_STRING, "kPRV4" },
220: [TTYC_KPRV5] = { TTYCODE_STRING, "kPRV5" },
221: [TTYC_KPRV6] = { TTYCODE_STRING, "kPRV6" },
222: [TTYC_KPRV7] = { TTYCODE_STRING, "kPRV7" },
223: [TTYC_KRIT2] = { TTYCODE_STRING, "kRIT" },
224: [TTYC_KRIT3] = { TTYCODE_STRING, "kRIT3" },
225: [TTYC_KRIT4] = { TTYCODE_STRING, "kRIT4" },
226: [TTYC_KRIT5] = { TTYCODE_STRING, "kRIT5" },
227: [TTYC_KRIT6] = { TTYCODE_STRING, "kRIT6" },
228: [TTYC_KRIT7] = { TTYCODE_STRING, "kRIT7" },
229: [TTYC_KUP2] = { TTYCODE_STRING, "kUP" },
230: [TTYC_KUP3] = { TTYCODE_STRING, "kUP3" },
231: [TTYC_KUP4] = { TTYCODE_STRING, "kUP4" },
232: [TTYC_KUP5] = { TTYCODE_STRING, "kUP5" },
233: [TTYC_KUP6] = { TTYCODE_STRING, "kUP6" },
234: [TTYC_KUP7] = { TTYCODE_STRING, "kUP7" },
235: [TTYC_MS] = { TTYCODE_STRING, "Ms" },
236: [TTYC_OP] = { TTYCODE_STRING, "op" },
237: [TTYC_REV] = { TTYCODE_STRING, "rev" },
238: [TTYC_RI] = { TTYCODE_STRING, "ri" },
239: [TTYC_RMACS] = { TTYCODE_STRING, "rmacs" },
240: [TTYC_RMCUP] = { TTYCODE_STRING, "rmcup" },
241: [TTYC_RMKX] = { TTYCODE_STRING, "rmkx" },
242: [TTYC_SE] = { TTYCODE_STRING, "Se" },
243: [TTYC_SETAB] = { TTYCODE_STRING, "setab" },
244: [TTYC_SETAF] = { TTYCODE_STRING, "setaf" },
245: [TTYC_SGR0] = { TTYCODE_STRING, "sgr0" },
246: [TTYC_SITM] = { TTYCODE_STRING, "sitm" },
247: [TTYC_SMACS] = { TTYCODE_STRING, "smacs" },
248: [TTYC_SMCUP] = { TTYCODE_STRING, "smcup" },
249: [TTYC_SMKX] = { TTYCODE_STRING, "smkx" },
250: [TTYC_SMSO] = { TTYCODE_STRING, "smso" },
251: [TTYC_SMUL] = { TTYCODE_STRING, "smul" },
1.53 nicm 252: [TTYC_SMXX] = { TTYCODE_STRING, "smxx" },
1.38 nicm 253: [TTYC_SS] = { TTYCODE_STRING, "Ss" },
1.45 nicm 254: [TTYC_TC] = { TTYCODE_FLAG, "Tc" },
1.38 nicm 255: [TTYC_TSL] = { TTYCODE_STRING, "tsl" },
256: [TTYC_VPA] = { TTYCODE_STRING, "vpa" },
1.54 ! nicm 257: [TTYC_U8] = { TTYCODE_NUMBER, "U8" },
1.38 nicm 258: [TTYC_XENL] = { TTYCODE_FLAG, "xenl" },
259: [TTYC_XT] = { TTYCODE_FLAG, "XT" },
260: };
261:
262: u_int
263: tty_term_ncodes(void)
264: {
265: return (nitems(tty_term_codes));
266: }
267:
1.46 nicm 268: static char *
1.1 nicm 269: tty_term_strip(const char *s)
270: {
271: const char *ptr;
272: static char buf[BUFSIZ];
273: size_t len;
274:
275: /* Ignore strings with no padding. */
276: if (strchr(s, '$') == NULL)
277: return (xstrdup(s));
278:
279: len = 0;
280: for (ptr = s; *ptr != '\0'; ptr++) {
281: if (*ptr == '$' && *(ptr + 1) == '<') {
282: while (*ptr != '\0' && *ptr != '>')
283: ptr++;
284: if (*ptr == '>')
285: ptr++;
286: }
287:
288: buf[len++] = *ptr;
289: if (len == (sizeof buf) - 1)
290: break;
291: }
292: buf[len] = '\0';
293:
294: return (xstrdup(buf));
295: }
296:
1.46 nicm 297: static void
1.49 nicm 298: tty_term_override(struct tty_term *term, const char *override)
1.1 nicm 299: {
1.19 nicm 300: const struct tty_term_code_entry *ent;
301: struct tty_code *code;
1.49 nicm 302: char *next, *s, *copy, *cp, *value;
1.19 nicm 303: const char *errstr;
304: u_int i;
1.49 nicm 305: int n, remove;
1.5 nicm 306:
1.49 nicm 307: copy = next = xstrdup(override);
1.5 nicm 308:
1.49 nicm 309: s = strsep(&next, ":");
310: if (s == NULL || next == NULL || fnmatch(s, term->name, 0) != 0) {
311: free(copy);
312: return;
313: }
1.16 nicm 314:
1.49 nicm 315: while ((s = strsep(&next, ":")) != NULL) {
316: if (*s == '\0')
1.5 nicm 317: continue;
1.49 nicm 318: value = NULL;
319:
320: remove = 0;
321: if ((cp = strchr(s, '=')) != NULL) {
322: *cp++ = '\0';
323: value = xstrdup(cp);
324: if (strunvis(value, cp) == -1) {
325: free(value);
326: value = xstrdup(cp);
327: }
328: } else if (s[strlen(s) - 1] == '@') {
329: s[strlen(s) - 1] = '\0';
330: remove = 1;
331: } else
332: value = xstrdup("");
333:
334: if (remove)
335: log_debug("%s override: %s@", term->name, s);
336: else
337: log_debug("%s override: %s=%s", term->name, s, value);
338:
339: for (i = 0; i < tty_term_ncodes(); i++) {
340: ent = &tty_term_codes[i];
341: if (strcmp(s, ent->name) != 0)
1.5 nicm 342: continue;
1.49 nicm 343: code = &term->codes[i];
1.5 nicm 344:
1.49 nicm 345: if (remove) {
346: code->type = TTYCODE_NONE;
347: continue;
348: }
349: switch (ent->type) {
350: case TTYCODE_NONE:
351: break;
352: case TTYCODE_STRING:
353: if (code->type == TTYCODE_STRING)
354: free(code->value.string);
355: code->value.string = xstrdup(value);
356: code->type = ent->type;
357: break;
358: case TTYCODE_NUMBER:
359: n = strtonum(value, 0, INT_MAX, &errstr);
360: if (errstr != NULL)
1.5 nicm 361: break;
1.49 nicm 362: code->value.number = n;
363: code->type = ent->type;
364: break;
365: case TTYCODE_FLAG:
366: code->value.flag = 1;
367: code->type = ent->type;
368: break;
1.5 nicm 369: }
1.49 nicm 370: }
1.5 nicm 371:
1.49 nicm 372: free(value);
1.1 nicm 373: }
1.29 nicm 374: free(s);
1.1 nicm 375: }
376:
377: struct tty_term *
1.33 nicm 378: tty_term_find(char *name, int fd, char **cause)
1.1 nicm 379: {
1.19 nicm 380: struct tty_term *term;
381: const struct tty_term_code_entry *ent;
382: struct tty_code *code;
1.49 nicm 383: struct options_entry *o;
384: u_int size, i;
1.19 nicm 385: int n, error;
1.48 nicm 386: const char *s, *acs;
1.1 nicm 387:
1.20 nicm 388: LIST_FOREACH(term, &tty_terms, entry) {
1.1 nicm 389: if (strcmp(term->name, name) == 0) {
390: term->references++;
391: return (term);
392: }
393: }
394:
395: log_debug("new term: %s", name);
396: term = xmalloc(sizeof *term);
397: term->name = xstrdup(name);
398: term->references = 1;
399: term->flags = 0;
1.47 nicm 400: term->codes = xcalloc(tty_term_ncodes(), sizeof *term->codes);
1.20 nicm 401: LIST_INSERT_HEAD(&tty_terms, term, entry);
1.1 nicm 402:
1.3 nicm 403: /* Set up curses terminal. */
1.1 nicm 404: if (setupterm(name, fd, &error) != OK) {
405: switch (error) {
1.4 matthieu 406: case 1:
1.43 nicm 407: xasprintf(cause, "can't use hardcopy terminal: %s",
408: name);
1.4 matthieu 409: break;
1.1 nicm 410: case 0:
1.43 nicm 411: xasprintf(cause, "missing or unsuitable terminal: %s",
412: name);
1.1 nicm 413: break;
1.4 matthieu 414: case -1:
1.1 nicm 415: xasprintf(cause, "can't find terminfo database");
416: break;
417: default:
418: xasprintf(cause, "unknown error");
419: break;
420: }
421: goto error;
422: }
423:
424: /* Fill in codes. */
1.38 nicm 425: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 426: ent = &tty_term_codes[i];
427:
1.38 nicm 428: code = &term->codes[i];
1.1 nicm 429: code->type = TTYCODE_NONE;
430: switch (ent->type) {
431: case TTYCODE_NONE:
432: break;
433: case TTYCODE_STRING:
434: s = tigetstr((char *) ent->name);
435: if (s == NULL || s == (char *) -1)
436: break;
437: code->type = TTYCODE_STRING;
438: code->value.string = tty_term_strip(s);
439: break;
440: case TTYCODE_NUMBER:
441: n = tigetnum((char *) ent->name);
442: if (n == -1 || n == -2)
443: break;
444: code->type = TTYCODE_NUMBER;
445: code->value.number = n;
446: break;
447: case TTYCODE_FLAG:
448: n = tigetflag((char *) ent->name);
449: if (n == -1)
450: break;
451: code->type = TTYCODE_FLAG;
1.40 nicm 452: code->value.flag = n;
1.1 nicm 453: break;
454: }
455: }
1.33 nicm 456:
457: /* Apply terminal overrides. */
1.49 nicm 458: o = options_get_only(global_options, "terminal-overrides");
459: if (options_array_size(o, &size) != -1) {
460: for (i = 0; i < size; i++) {
461: s = options_array_get(o, i);
462: if (s != NULL)
463: tty_term_override(term, s);
464: }
465: }
1.1 nicm 466:
1.3 nicm 467: /* Delete curses data. */
1.1 nicm 468: del_curterm(cur_term);
469:
470: /* These are always required. */
471: if (!tty_term_has(term, TTYC_CLEAR)) {
472: xasprintf(cause, "terminal does not support clear");
473: goto error;
474: }
475: if (!tty_term_has(term, TTYC_CUP)) {
476: xasprintf(cause, "terminal does not support cup");
477: goto error;
478: }
479:
480: /* These can be emulated so one of the two is required. */
481: if (!tty_term_has(term, TTYC_CUD1) && !tty_term_has(term, TTYC_CUD)) {
482: xasprintf(cause, "terminal does not support cud1 or cud");
483: goto error;
484: }
485:
1.31 nicm 486: /* Figure out if we have 256. */
1.1 nicm 487: if (tty_term_number(term, TTYC_COLORS) == 256)
488: term->flags |= TERM_256COLOURS;
489:
490: /*
491: * Terminals without xenl (eat newline glitch) wrap at at $COLUMNS - 1
492: * rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
493: *
494: * This is irritating, most notably because it is impossible to write
495: * to the very bottom-right of the screen without scrolling.
496: *
497: * Flag the terminal here and apply some workarounds in other places to
498: * do the best possible.
499: */
500: if (!tty_term_flag(term, TTYC_XENL))
501: term->flags |= TERM_EARLYWRAP;
1.18 nicm 502:
503: /* Generate ACS table. If none is present, use nearest ASCII. */
504: memset(term->acs, 0, sizeof term->acs);
505: if (tty_term_has(term, TTYC_ACSC))
506: acs = tty_term_string(term, TTYC_ACSC);
507: else
508: acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~.";
509: for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2)
510: term->acs[(u_char) acs[0]][0] = acs[1];
1.22 nicm 511:
512: /* On terminals with xterm titles (XT), fill in tsl and fsl. */
513: if (tty_term_flag(term, TTYC_XT) &&
514: !tty_term_has(term, TTYC_TSL) &&
515: !tty_term_has(term, TTYC_FSL)) {
516: code = &term->codes[TTYC_TSL];
517: code->value.string = xstrdup("\033]0;");
518: code->type = TTYCODE_STRING;
519: code = &term->codes[TTYC_FSL];
520: code->value.string = xstrdup("\007");
521: code->type = TTYCODE_STRING;
522: }
1.1 nicm 523:
524: return (term);
525:
526: error:
527: tty_term_free(term);
528: return (NULL);
529: }
530:
531: void
532: tty_term_free(struct tty_term *term)
533: {
534: u_int i;
535:
536: if (--term->references != 0)
537: return;
538:
1.20 nicm 539: LIST_REMOVE(term, entry);
1.1 nicm 540:
1.38 nicm 541: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 542: if (term->codes[i].type == TTYCODE_STRING)
1.29 nicm 543: free(term->codes[i].value.string);
1.1 nicm 544: }
1.38 nicm 545: free(term->codes);
546:
1.29 nicm 547: free(term->name);
548: free(term);
1.1 nicm 549: }
550:
551: int
552: tty_term_has(struct tty_term *term, enum tty_code_code code)
553: {
554: return (term->codes[code].type != TTYCODE_NONE);
555: }
556:
557: const char *
558: tty_term_string(struct tty_term *term, enum tty_code_code code)
559: {
560: if (!tty_term_has(term, code))
561: return ("");
562: if (term->codes[code].type != TTYCODE_STRING)
1.42 nicm 563: fatalx("not a string: %d", code);
1.1 nicm 564: return (term->codes[code].value.string);
565: }
566:
567: const char *
568: tty_term_string1(struct tty_term *term, enum tty_code_code code, int a)
569: {
570: return (tparm((char *) tty_term_string(term, code), a));
571: }
572:
573: const char *
574: tty_term_string2(struct tty_term *term, enum tty_code_code code, int a, int b)
1.23 nicm 575: {
576: return (tparm((char *) tty_term_string(term, code), a, b));
1.24 nicm 577: }
578:
579: const char *
580: tty_term_ptr1(struct tty_term *term, enum tty_code_code code, const void *a)
581: {
582: return (tparm((char *) tty_term_string(term, code), a));
1.23 nicm 583: }
584:
585: const char *
1.34 nicm 586: tty_term_ptr2(struct tty_term *term, enum tty_code_code code, const void *a,
587: const void *b)
1.1 nicm 588: {
589: return (tparm((char *) tty_term_string(term, code), a, b));
590: }
591:
592: int
593: tty_term_number(struct tty_term *term, enum tty_code_code code)
594: {
595: if (!tty_term_has(term, code))
596: return (0);
597: if (term->codes[code].type != TTYCODE_NUMBER)
1.42 nicm 598: fatalx("not a number: %d", code);
1.1 nicm 599: return (term->codes[code].value.number);
600: }
601:
602: int
603: tty_term_flag(struct tty_term *term, enum tty_code_code code)
604: {
605: if (!tty_term_has(term, code))
606: return (0);
607: if (term->codes[code].type != TTYCODE_FLAG)
1.42 nicm 608: fatalx("not a flag: %d", code);
1.1 nicm 609: return (term->codes[code].value.flag);
1.38 nicm 610: }
611:
612: const char *
613: tty_term_describe(struct tty_term *term, enum tty_code_code code)
614: {
615: static char s[256];
616: char out[128];
617:
618: switch (term->codes[code].type) {
619: case TTYCODE_NONE:
620: xsnprintf(s, sizeof s, "%4u: %s: [missing]",
621: code, tty_term_codes[code].name);
622: break;
623: case TTYCODE_STRING:
624: strnvis(out, term->codes[code].value.string, sizeof out,
625: VIS_OCTAL|VIS_TAB|VIS_NL);
626: xsnprintf(s, sizeof s, "%4u: %s: (string) %s",
627: code, tty_term_codes[code].name,
628: out);
629: break;
630: case TTYCODE_NUMBER:
631: xsnprintf(s, sizeof s, "%4u: %s: (number) %d",
632: code, tty_term_codes[code].name,
633: term->codes[code].value.number);
634: break;
635: case TTYCODE_FLAG:
636: xsnprintf(s, sizeof s, "%4u: %s: (flag) %s",
637: code, tty_term_codes[code].name,
638: term->codes[code].value.flag ? "true" : "false");
639: break;
640: }
641: return (s);
1.1 nicm 642: }
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