Annotation of src/usr.bin/tmux/tty.c, Revision 1.170
1.170 ! nicm 1: /* $OpenBSD: tty.c,v 1.169 2014/04/25 12:45:16 jsg Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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: #include <sys/ioctl.h>
21:
1.106 nicm 22: #include <netinet/in.h>
23:
1.1 nicm 24: #include <errno.h>
25: #include <fcntl.h>
1.106 nicm 26: #include <resolv.h>
1.42 nicm 27: #include <stdlib.h>
1.1 nicm 28: #include <string.h>
29: #include <termios.h>
30: #include <unistd.h>
31:
32: #include "tmux.h"
33:
1.67 nicm 34: void tty_read_callback(struct bufferevent *, void *);
1.66 nicm 35: void tty_error_callback(struct bufferevent *, short, void *);
36:
1.1 nicm 37: int tty_try_256(struct tty *, u_char, const char *);
38:
1.85 nicm 39: void tty_colours(struct tty *, const struct grid_cell *);
40: void tty_check_fg(struct tty *, struct grid_cell *);
41: void tty_check_bg(struct tty *, struct grid_cell *);
42: void tty_colours_fg(struct tty *, const struct grid_cell *);
1.73 nicm 43: void tty_colours_bg(struct tty *, const struct grid_cell *);
1.1 nicm 44:
1.120 nicm 45: int tty_large_region(struct tty *, const struct tty_ctx *);
1.24 nicm 46: void tty_redraw_region(struct tty *, const struct tty_ctx *);
1.13 nicm 47: void tty_emulate_repeat(
48: struct tty *, enum tty_code_code, enum tty_code_code, u_int);
1.133 nicm 49: void tty_repeat_space(struct tty *, u_int);
1.147 nicm 50: void tty_cell(struct tty *, const struct grid_cell *);
1.1 nicm 51:
1.90 nicm 52: #define tty_use_acs(tty) \
1.131 nicm 53: (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.90 nicm 54:
1.132 nicm 55: #define tty_pane_full_width(tty, ctx) \
56: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
57:
1.1 nicm 58: void
1.136 nicm 59: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 60: {
1.30 nicm 61: char *path;
62:
63: memset(tty, 0, sizeof *tty);
1.23 nicm 64: tty->log_fd = -1;
1.22 nicm 65:
1.9 nicm 66: if (term == NULL || *term == '\0')
1.1 nicm 67: tty->termname = xstrdup("unknown");
68: else
69: tty->termname = xstrdup(term);
1.30 nicm 70: tty->fd = fd;
1.136 nicm 71: tty->client = c;
1.30 nicm 72:
73: if ((path = ttyname(fd)) == NULL)
74: fatalx("ttyname failed");
75: tty->path = xstrdup(path);
1.108 nicm 76: tty->cstyle = 0;
1.107 nicm 77: tty->ccolour = xstrdup("");
1.30 nicm 78:
1.1 nicm 79: tty->flags = 0;
80: tty->term_flags = 0;
1.31 nicm 81: }
82:
1.88 nicm 83: int
1.31 nicm 84: tty_resize(struct tty *tty)
85: {
86: struct winsize ws;
1.88 nicm 87: u_int sx, sy;
1.31 nicm 88:
89: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 90: sx = ws.ws_col;
91: if (sx == 0)
92: sx = 80;
93: sy = ws.ws_row;
94: if (sy == 0)
95: sy = 24;
96: } else {
97: sx = 80;
98: sy = 24;
1.31 nicm 99: }
1.114 nicm 100: if (!tty_set_size(tty, sx, sy))
1.88 nicm 101: return (0);
1.31 nicm 102:
103: tty->cx = UINT_MAX;
104: tty->cy = UINT_MAX;
105:
106: tty->rupper = UINT_MAX;
107: tty->rlower = UINT_MAX;
1.88 nicm 108:
109: /*
110: * If the terminal has been started, reset the actual scroll region and
111: * cursor position, as this may not have happened.
112: */
113: if (tty->flags & TTY_STARTED) {
114: tty_cursor(tty, 0, 0);
115: tty_region(tty, 0, tty->sy - 1);
116: }
117:
1.114 nicm 118: return (1);
119: }
120:
121: int
122: tty_set_size(struct tty *tty, u_int sx, u_int sy) {
123: if (sx == tty->sx && sy == tty->sy)
124: return (0);
125: tty->sx = sx;
126: tty->sy = sy;
1.88 nicm 127: return (1);
1.1 nicm 128: }
129:
130: int
1.166 nicm 131: tty_open(struct tty *tty, char **cause)
1.1 nicm 132: {
1.88 nicm 133: char out[64];
1.30 nicm 134: int fd;
1.1 nicm 135:
1.30 nicm 136: if (debug_level > 3) {
1.88 nicm 137: xsnprintf(out, sizeof out, "tmux-out-%ld.log", (long) getpid());
138: fd = open(out, O_WRONLY|O_CREAT|O_TRUNC, 0644);
1.30 nicm 139: if (fd != -1 && fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
140: fatal("fcntl failed");
141: tty->log_fd = fd;
1.1 nicm 142: }
143:
1.166 nicm 144: tty->term = tty_term_find(tty->termname, tty->fd, cause);
1.21 nicm 145: if (tty->term == NULL) {
146: tty_close(tty);
147: return (-1);
148: }
149: tty->flags |= TTY_OPENED;
1.1 nicm 150:
1.149 nicm 151: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_TIMER);
1.1 nicm 152:
1.66 nicm 153: tty->event = bufferevent_new(
1.67 nicm 154: tty->fd, tty_read_callback, NULL, tty_error_callback, tty);
1.1 nicm 155:
156: tty_start_tty(tty);
157:
1.148 nicm 158: tty_keys_build(tty);
1.1 nicm 159:
160: return (0);
161: }
162:
163: void
1.67 nicm 164: tty_read_callback(unused struct bufferevent *bufev, void *data)
165: {
166: struct tty *tty = data;
167:
168: while (tty_keys_next(tty))
169: ;
170: }
171:
172: void
1.66 nicm 173: tty_error_callback(
174: unused struct bufferevent *bufev, unused short what, unused void *data)
175: {
176: }
177:
178: void
1.127 nicm 179: tty_init_termios(int fd, struct termios *orig_tio, struct bufferevent *bufev)
1.1 nicm 180: {
1.128 nicm 181: struct termios tio;
1.33 nicm 182:
1.127 nicm 183: if (fd == -1 || tcgetattr(fd, orig_tio) != 0)
1.33 nicm 184: return;
1.1 nicm 185:
1.127 nicm 186: setblocking(fd, 0);
1.34 nicm 187:
1.127 nicm 188: if (bufev != NULL)
189: bufferevent_enable(bufev, EV_READ|EV_WRITE);
1.66 nicm 190:
1.127 nicm 191: memcpy(&tio, orig_tio, sizeof tio);
1.1 nicm 192: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
193: tio.c_iflag |= IGNBRK;
194: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
195: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
1.169 jsg 196: ECHOPRT|ECHOKE|ISIG);
1.1 nicm 197: tio.c_cc[VMIN] = 1;
1.60 deraadt 198: tio.c_cc[VTIME] = 0;
1.127 nicm 199: if (tcsetattr(fd, TCSANOW, &tio) == 0)
200: tcflush(fd, TCIOFLUSH);
201: }
202:
203: void
204: tty_start_tty(struct tty *tty)
205: {
206: tty_init_termios(tty->fd, &tty->tio, tty->event);
1.1 nicm 207:
1.10 nicm 208: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 209:
1.25 nicm 210: tty_putcode(tty, TTYC_SGR0);
211: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
212:
1.76 nicm 213: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 214: if (tty_use_acs(tty))
215: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 216: tty_putcode(tty, TTYC_CLEAR);
217:
218: tty_putcode(tty, TTYC_CNORM);
219: if (tty_term_has(tty->term, TTYC_KMOUS))
1.153 nicm 220: tty_puts(tty, "\033[?1000l\033[?1006l\033[?1005l");
1.121 nicm 221:
1.162 nicm 222: if (tty_term_has(tty->term, TTYC_XT)) {
223: if (options_get_number(&global_options, "focus-events")) {
224: tty->flags |= TTY_FOCUS;
225: tty_puts(tty, "\033[?1004h");
226: }
1.163 nicm 227: tty_puts(tty, "\033[c");
1.162 nicm 228: }
1.1 nicm 229:
230: tty->cx = UINT_MAX;
231: tty->cy = UINT_MAX;
232:
233: tty->rlower = UINT_MAX;
234: tty->rupper = UINT_MAX;
235:
236: tty->mode = MODE_CURSOR;
1.20 nicm 237:
238: tty->flags |= TTY_STARTED;
1.107 nicm 239:
240: tty_force_cursor_colour(tty, "");
1.145 nicm 241: }
242:
243: void
244: tty_set_class(struct tty *tty, u_int class)
245: {
246: if (tty->class != 0)
247: return;
248: tty->class = class;
1.128 nicm 249: }
250:
251: void
1.1 nicm 252: tty_stop_tty(struct tty *tty)
253: {
254: struct winsize ws;
255:
1.20 nicm 256: if (!(tty->flags & TTY_STARTED))
257: return;
258: tty->flags &= ~TTY_STARTED;
259:
1.66 nicm 260: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
261:
1.1 nicm 262: /*
263: * Be flexible about error handling and try not kill the server just
264: * because the fd is invalid. Things like ssh -t can easily leave us
265: * with a dead tty.
266: */
267: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
268: return;
269: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
270: return;
271:
272: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 273: if (tty_use_acs(tty))
274: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 275: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
276: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
277: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 278: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
279: if (tty_term_has(tty->term, TTYC_SE))
280: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 281: else
1.160 nicm 282: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 283: }
1.107 nicm 284: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 285:
286: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
287: if (tty_term_has(tty->term, TTYC_KMOUS))
1.153 nicm 288: tty_raw(tty, "\033[?1000l\033[?1006l\033[?1005l");
1.151 nicm 289:
1.162 nicm 290: if (tty_term_has(tty->term, TTYC_XT)) {
291: if (tty->flags & TTY_FOCUS) {
292: tty->flags &= ~TTY_FOCUS;
293: tty_puts(tty, "\033[?1004l");
294: }
295: }
1.10 nicm 296:
297: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 298:
299: setblocking(tty->fd, 1);
1.1 nicm 300: }
301:
302: void
1.20 nicm 303: tty_close(struct tty *tty)
1.1 nicm 304: {
305: if (tty->log_fd != -1) {
306: close(tty->log_fd);
307: tty->log_fd = -1;
308: }
309:
1.123 nicm 310: if (event_initialized(&tty->key_timer))
311: evtimer_del(&tty->key_timer);
1.20 nicm 312: tty_stop_tty(tty);
1.1 nicm 313:
1.21 nicm 314: if (tty->flags & TTY_OPENED) {
1.66 nicm 315: bufferevent_free(tty->event);
316:
1.21 nicm 317: tty_term_free(tty->term);
318: tty_keys_free(tty);
319:
320: tty->flags &= ~TTY_OPENED;
321: }
1.1 nicm 322:
1.21 nicm 323: if (tty->fd != -1) {
324: close(tty->fd);
325: tty->fd = -1;
326: }
1.1 nicm 327: }
328:
329: void
1.20 nicm 330: tty_free(struct tty *tty)
1.1 nicm 331: {
1.20 nicm 332: tty_close(tty);
1.1 nicm 333:
1.138 nicm 334: free(tty->ccolour);
1.1 nicm 335: if (tty->path != NULL)
1.138 nicm 336: free(tty->path);
1.1 nicm 337: if (tty->termname != NULL)
1.138 nicm 338: free(tty->termname);
1.1 nicm 339: }
340:
341: void
342: tty_raw(struct tty *tty, const char *s)
343: {
1.150 nicm 344: ssize_t n, slen;
345: u_int i;
346:
347: slen = strlen(s);
348: for (i = 0; i < 5; i++) {
349: n = write(tty->fd, s, slen);
350: if (n >= 0) {
351: s += n;
352: slen -= n;
353: if (slen == 0)
354: break;
355: } else if (n == -1 && errno != EAGAIN)
356: break;
357: usleep(100);
358: }
1.1 nicm 359: }
360:
361: void
362: tty_putcode(struct tty *tty, enum tty_code_code code)
363: {
364: tty_puts(tty, tty_term_string(tty->term, code));
365: }
366:
367: void
368: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
369: {
370: if (a < 0)
371: return;
372: tty_puts(tty, tty_term_string1(tty->term, code, a));
373: }
374:
375: void
376: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
377: {
378: if (a < 0 || b < 0)
379: return;
380: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
381: }
382:
383: void
1.107 nicm 384: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
385: {
386: if (a != NULL)
387: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
388: }
389:
390: void
1.167 nicm 391: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
392: const void *b)
1.106 nicm 393: {
394: if (a != NULL && b != NULL)
395: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
396: }
397:
398: void
1.1 nicm 399: tty_puts(struct tty *tty, const char *s)
400: {
401: if (*s == '\0')
402: return;
1.66 nicm 403: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 404:
405: if (tty->log_fd != -1)
406: write(tty->log_fd, s, strlen(s));
407: }
408:
409: void
410: tty_putc(struct tty *tty, u_char ch)
411: {
1.90 nicm 412: const char *acs;
413: u_int sx;
1.1 nicm 414:
1.90 nicm 415: if (tty->cell.attr & GRID_ATTR_CHARSET) {
416: acs = tty_acs_get(tty, ch);
417: if (acs != NULL)
418: bufferevent_write(tty->event, acs, strlen(acs));
419: else
420: bufferevent_write(tty->event, &ch, 1);
421: } else
422: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 423:
424: if (ch >= 0x20 && ch != 0x7f) {
425: sx = tty->sx;
426: if (tty->term->flags & TERM_EARLYWRAP)
427: sx--;
428:
1.46 nicm 429: if (tty->cx >= sx) {
430: tty->cx = 1;
431: if (tty->cy != tty->rlower)
432: tty->cy++;
1.1 nicm 433: } else
434: tty->cx++;
435: }
436:
437: if (tty->log_fd != -1)
438: write(tty->log_fd, &ch, 1);
439: }
440:
441: void
1.147 nicm 442: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 443: {
1.147 nicm 444: bufferevent_write(tty->event, buf, len);
1.71 nicm 445: if (tty->log_fd != -1)
1.147 nicm 446: write(tty->log_fd, buf, len);
447: tty->cx += width;
1.5 nicm 448: }
449:
450: void
1.1 nicm 451: tty_set_title(struct tty *tty, const char *title)
452: {
1.105 nicm 453: if (!tty_term_has(tty->term, TTYC_TSL) ||
454: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 455: return;
456:
1.105 nicm 457: tty_putcode(tty, TTYC_TSL);
1.1 nicm 458: tty_puts(tty, title);
1.105 nicm 459: tty_putcode(tty, TTYC_FSL);
1.1 nicm 460: }
461:
462: void
1.107 nicm 463: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
464: {
465: if (*ccolour == '\0')
466: tty_putcode(tty, TTYC_CR);
467: else
1.160 nicm 468: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 469: free(tty->ccolour);
1.107 nicm 470: tty->ccolour = xstrdup(ccolour);
471: }
472:
473: void
474: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 475: {
476: int changed;
477:
1.107 nicm 478: if (strcmp(s->ccolour, tty->ccolour))
479: tty_force_cursor_colour(tty, s->ccolour);
480:
1.1 nicm 481: if (tty->flags & TTY_NOCURSOR)
482: mode &= ~MODE_CURSOR;
483:
484: changed = mode ^ tty->mode;
485: if (changed & MODE_CURSOR) {
486: if (mode & MODE_CURSOR)
487: tty_putcode(tty, TTYC_CNORM);
488: else
489: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 490: }
491: if (tty->cstyle != s->cstyle) {
1.160 nicm 492: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 493: if (s->cstyle == 0 &&
1.160 nicm 494: tty_term_has(tty->term, TTYC_SE))
495: tty_putcode(tty, TTYC_SE);
1.108 nicm 496: else
1.160 nicm 497: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 498: }
499: tty->cstyle = s->cstyle;
1.1 nicm 500: }
1.154 nicm 501: if (changed & (ALL_MOUSE_MODES|MODE_MOUSE_UTF8)) {
1.94 nicm 502: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 503: /*
504: * Enable the UTF-8 (1005) extension if configured to.
505: * Enable the SGR (1006) extension unconditionally, as
506: * this is safe from misinterpretation. Do it in this
507: * order, because in some terminals it's the last one
508: * that takes effect and SGR is the preferred one.
509: */
1.95 nicm 510: if (mode & MODE_MOUSE_UTF8)
511: tty_puts(tty, "\033[?1005h");
1.154 nicm 512: else
513: tty_puts(tty, "\033[?1005l");
1.153 nicm 514: tty_puts(tty, "\033[?1006h");
515:
1.170 ! nicm 516: if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 517: tty_puts(tty, "\033[?1002h");
1.98 nicm 518: else if (mode & MODE_MOUSE_STANDARD)
519: tty_puts(tty, "\033[?1000h");
1.86 nicm 520: } else {
1.170 ! nicm 521: if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 522: tty_puts(tty, "\033[?1002l");
1.98 nicm 523: else if (tty->mode & MODE_MOUSE_STANDARD)
524: tty_puts(tty, "\033[?1000l");
1.153 nicm 525:
526: tty_puts(tty, "\033[?1006l");
1.95 nicm 527: if (tty->mode & MODE_MOUSE_UTF8)
528: tty_puts(tty, "\033[?1005l");
1.86 nicm 529: }
1.76 nicm 530: }
531: if (changed & MODE_KKEYPAD) {
532: if (mode & MODE_KKEYPAD)
533: tty_putcode(tty, TTYC_SMKX);
534: else
535: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 536: }
537: if (changed & MODE_BRACKETPASTE) {
538: if (mode & MODE_BRACKETPASTE)
539: tty_puts(tty, "\033[?2004h");
540: else
541: tty_puts(tty, "\033[?2004l");
1.1 nicm 542: }
543: tty->mode = mode;
544: }
545:
546: void
1.168 nicm 547: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
548: enum tty_code_code code1, u_int n)
1.1 nicm 549: {
550: if (tty_term_has(tty->term, code))
551: tty_putcode1(tty, code, n);
552: else {
553: while (n-- > 0)
554: tty_putcode(tty, code1);
555: }
556: }
557:
1.133 nicm 558: void
559: tty_repeat_space(struct tty *tty, u_int n)
560: {
561: while (n-- > 0)
562: tty_putc(tty, ' ');
563: }
564:
1.1 nicm 565: /*
1.119 nicm 566: * Is the region large enough to be worth redrawing once later rather than
567: * probably several times now? Currently yes if it is more than 50% of the
568: * pane.
569: */
570: int
571: tty_large_region(unused struct tty *tty, const struct tty_ctx *ctx)
572: {
573: struct window_pane *wp = ctx->wp;
574:
575: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
576: }
577:
578: /*
1.1 nicm 579: * Redraw scroll region using data from screen (already updated). Used when
580: * CSR not supported, or window is a pane that doesn't take up the full
581: * width of the terminal.
582: */
583: void
1.24 nicm 584: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 585: {
1.14 nicm 586: struct window_pane *wp = ctx->wp;
587: struct screen *s = wp->screen;
588: u_int i;
1.1 nicm 589:
590: /*
1.119 nicm 591: * If region is large, schedule a window redraw. In most cases this is
592: * likely to be followed by some more scrolling.
1.1 nicm 593: */
1.119 nicm 594: if (tty_large_region(tty, ctx)) {
1.1 nicm 595: wp->flags |= PANE_REDRAW;
596: return;
597: }
598:
1.14 nicm 599: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
600: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.113 nicm 601: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 602: } else {
1.14 nicm 603: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.113 nicm 604: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 605: }
606: }
607:
608: void
609: tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
610: {
611: const struct grid_cell *gc;
1.46 nicm 612: struct grid_line *gl;
1.16 nicm 613: struct grid_cell tmpgc;
1.147 nicm 614: struct utf8_data ud;
1.1 nicm 615: u_int i, sx;
616:
1.107 nicm 617: tty_update_mode(tty, tty->mode & ~MODE_CURSOR, s);
1.35 nicm 618:
1.1 nicm 619: sx = screen_size_x(s);
1.19 nicm 620: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
621: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 622: if (sx > tty->sx)
623: sx = tty->sx;
624:
1.46 nicm 625: /*
626: * Don't move the cursor to the start permission if it will wrap there
1.50 nicm 627: * itself.
1.46 nicm 628: */
629: gl = NULL;
630: if (py != 0)
631: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 632: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 633: tty->cx < tty->sx || ox != 0 ||
634: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 635: tty_cursor(tty, ox, oy + py);
636:
1.1 nicm 637: for (i = 0; i < sx; i++) {
638: gc = grid_view_peek_cell(s->grid, i, py);
639: if (screen_check_selection(s, i, py)) {
1.16 nicm 640: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
1.147 nicm 641: grid_cell_get(gc, &ud);
642: grid_cell_set(&tmpgc, &ud);
1.77 nicm 643: tmpgc.flags = gc->flags &
1.38 nicm 644: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
645: tmpgc.flags |= s->sel.cell.flags &
646: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.147 nicm 647: tty_cell(tty, &tmpgc);
1.1 nicm 648: } else
1.147 nicm 649: tty_cell(tty, gc);
1.1 nicm 650: }
651:
1.35 nicm 652: if (sx >= tty->sx) {
1.107 nicm 653: tty_update_mode(tty, tty->mode, s);
1.1 nicm 654: return;
1.35 nicm 655: }
1.1 nicm 656: tty_reset(tty);
657:
1.41 nicm 658: tty_cursor(tty, ox + sx, oy + py);
1.126 nicm 659: if (sx != screen_size_x(s) && ox + screen_size_x(s) >= tty->sx &&
1.117 nicm 660: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 661: tty_putcode(tty, TTYC_EL);
1.133 nicm 662: else
663: tty_repeat_space(tty, screen_size_x(s) - sx);
1.107 nicm 664: tty_update_mode(tty, tty->mode, s);
1.15 nicm 665: }
666:
667: void
1.113 nicm 668: tty_write(
669: void (*cmdfn)(struct tty *, const struct tty_ctx *), struct tty_ctx *ctx)
1.15 nicm 670: {
671: struct window_pane *wp = ctx->wp;
672: struct client *c;
673: u_int i;
674:
1.75 nicm 675: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 676: if (wp == NULL)
677: return;
678:
679: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
680: return;
1.129 nicm 681: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 682: return;
683:
684: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
685: c = ARRAY_ITEM(&clients, i);
1.139 nicm 686: if (c == NULL || c->session == NULL || c->tty.term == NULL)
1.15 nicm 687: continue;
1.142 nicm 688: if (c->flags & CLIENT_SUSPENDED)
689: continue;
690: if (c->tty.flags & TTY_FREEZE)
1.139 nicm 691: continue;
692: if (c->session->curw->window != wp->window)
1.15 nicm 693: continue;
694:
1.139 nicm 695: ctx->xoff = wp->xoff;
696: ctx->yoff = wp->yoff;
697: if (status_at_line(c) == 0)
698: ctx->yoff++;
1.113 nicm 699:
1.139 nicm 700: cmdfn(&c->tty, ctx);
1.1 nicm 701: }
702: }
703:
704: void
1.24 nicm 705: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 706: {
1.77 nicm 707: struct window_pane *wp = ctx->wp;
1.1 nicm 708:
1.135 nicm 709: if (!tty_pane_full_width(tty, ctx)) {
1.113 nicm 710: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 711: return;
712: }
713:
714: tty_reset(tty);
715:
1.77 nicm 716: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 717:
1.1 nicm 718: if (tty_term_has(tty->term, TTYC_ICH) ||
719: tty_term_has(tty->term, TTYC_ICH1))
1.12 nicm 720: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.134 nicm 721: else
1.113 nicm 722: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 723: }
724:
725: void
1.24 nicm 726: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 727: {
1.77 nicm 728: struct window_pane *wp = ctx->wp;
1.1 nicm 729:
1.135 nicm 730: if (!tty_pane_full_width(tty, ctx) ||
1.26 nicm 731: (!tty_term_has(tty->term, TTYC_DCH) &&
732: !tty_term_has(tty->term, TTYC_DCH1))) {
1.113 nicm 733: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 734: return;
735: }
736:
737: tty_reset(tty);
738:
1.77 nicm 739: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 740:
1.26 nicm 741: if (tty_term_has(tty->term, TTYC_DCH) ||
742: tty_term_has(tty->term, TTYC_DCH1))
743: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 744: }
745:
746: void
747: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
748: {
749: u_int i;
750:
751: tty_reset(tty);
752:
753: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
754:
755: if (tty_term_has(tty->term, TTYC_ECH))
756: tty_putcode1(tty, TTYC_ECH, ctx->num);
757: else {
758: for (i = 0; i < ctx->num; i++)
759: tty_putc(tty, ' ');
760: }
1.1 nicm 761: }
762:
763: void
1.24 nicm 764: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 765: {
1.132 nicm 766: if (!tty_pane_full_width(tty, ctx) ||
1.77 nicm 767: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 768: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 769: tty_redraw_region(tty, ctx);
1.1 nicm 770: return;
771: }
772:
773: tty_reset(tty);
774:
1.77 nicm 775: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
776: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 777:
1.12 nicm 778: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 779: }
780:
781: void
1.24 nicm 782: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 783: {
1.132 nicm 784: if (!tty_pane_full_width(tty, ctx) ||
1.72 nicm 785: !tty_term_has(tty->term, TTYC_CSR) ||
786: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 787: tty_redraw_region(tty, ctx);
1.1 nicm 788: return;
789: }
790:
791: tty_reset(tty);
792:
1.77 nicm 793: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
794: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 795:
1.12 nicm 796: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 797: }
798:
799: void
1.24 nicm 800: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 801: {
1.77 nicm 802: struct window_pane *wp = ctx->wp;
1.12 nicm 803: struct screen *s = wp->screen;
1.1 nicm 804:
805: tty_reset(tty);
806:
1.77 nicm 807: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 808:
1.133 nicm 809: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL))
1.1 nicm 810: tty_putcode(tty, TTYC_EL);
1.133 nicm 811: else
812: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 813: }
814:
815: void
1.24 nicm 816: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 817: {
1.77 nicm 818: struct window_pane *wp = ctx->wp;
1.12 nicm 819: struct screen *s = wp->screen;
1.1 nicm 820:
821: tty_reset(tty);
822:
1.41 nicm 823: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
824:
1.132 nicm 825: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL))
1.1 nicm 826: tty_putcode(tty, TTYC_EL);
1.133 nicm 827: else
828: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.1 nicm 829: }
830:
831: void
1.24 nicm 832: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 833: {
834: tty_reset(tty);
835:
1.113 nicm 836: if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1.41 nicm 837: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 838: tty_putcode(tty, TTYC_EL1);
839: } else {
1.41 nicm 840: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 841: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 842: }
843: }
844:
845: void
1.24 nicm 846: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 847: {
1.56 nicm 848: if (ctx->ocy != ctx->orupper)
849: return;
850:
1.132 nicm 851: if (!tty_pane_full_width(tty, ctx) ||
1.70 nicm 852: !tty_term_has(tty->term, TTYC_CSR) ||
853: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 854: tty_redraw_region(tty, ctx);
1.1 nicm 855: return;
856: }
857:
1.56 nicm 858: tty_reset(tty);
1.77 nicm 859:
1.56 nicm 860: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
861: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 862:
1.56 nicm 863: tty_putcode(tty, TTYC_RI);
1.1 nicm 864: }
865:
866: void
1.24 nicm 867: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 868: {
1.77 nicm 869: struct window_pane *wp = ctx->wp;
1.1 nicm 870:
1.56 nicm 871: if (ctx->ocy != ctx->orlower)
872: return;
873:
1.132 nicm 874: if (!tty_pane_full_width(tty, ctx) ||
1.1 nicm 875: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 876: if (tty_large_region(tty, ctx))
877: wp->flags |= PANE_REDRAW;
1.140 nicm 878: else
1.128 nicm 879: tty_redraw_region(tty, ctx);
1.1 nicm 880: return;
881: }
1.52 nicm 882:
883: /*
884: * If this line wrapped naturally (ctx->num is nonzero), don't do
885: * anything - the cursor can just be moved to the last cell and wrap
886: * naturally.
887: */
888: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
889: return;
1.1 nicm 890:
1.56 nicm 891: tty_reset(tty);
1.77 nicm 892:
1.56 nicm 893: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
894: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 895:
1.56 nicm 896: tty_putc(tty, '\n');
1.1 nicm 897: }
898:
899: void
1.24 nicm 900: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 901: {
1.77 nicm 902: struct window_pane *wp = ctx->wp;
1.12 nicm 903: struct screen *s = wp->screen;
904: u_int i, j;
1.1 nicm 905:
906: tty_reset(tty);
907:
1.39 nicm 908: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 909: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 910:
1.132 nicm 911: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.1 nicm 912: tty_putcode(tty, TTYC_EL);
1.14 nicm 913: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 914: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 915: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 916: tty_putcode(tty, TTYC_EL);
917: if (i == screen_size_y(s) - 1)
918: continue;
919: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
920: tty->cy++;
921: }
922: }
923: } else {
1.133 nicm 924: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.68 nicm 925: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 926: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 927: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 928: }
929: }
930: }
931:
932: void
1.24 nicm 933: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 934: {
1.77 nicm 935: struct window_pane *wp = ctx->wp;
1.12 nicm 936: struct screen *s = wp->screen;
937: u_int i, j;
1.1 nicm 938:
939: tty_reset(tty);
940:
1.39 nicm 941: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 942: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 943:
1.132 nicm 944: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.14 nicm 945: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 946: tty_putcode(tty, TTYC_EL);
947: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
948: tty->cy++;
949: }
950: } else {
1.14 nicm 951: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 952: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 953: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 954: }
955: }
1.133 nicm 956: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 957: }
958:
959: void
1.24 nicm 960: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 961: {
1.77 nicm 962: struct window_pane *wp = ctx->wp;
1.12 nicm 963: struct screen *s = wp->screen;
964: u_int i, j;
1.1 nicm 965:
966: tty_reset(tty);
967:
1.39 nicm 968: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 969: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 970:
1.132 nicm 971: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.1 nicm 972: for (i = 0; i < screen_size_y(s); i++) {
973: tty_putcode(tty, TTYC_EL);
974: if (i != screen_size_y(s) - 1) {
975: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
976: tty->cy++;
977: }
978: }
979: } else {
980: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 981: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 982: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 983: }
1.4 nicm 984: }
985: }
986:
987: void
1.24 nicm 988: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 989: {
1.12 nicm 990: struct window_pane *wp = ctx->wp;
991: struct screen *s = wp->screen;
992: u_int i, j;
1.4 nicm 993:
994: tty_reset(tty);
995:
1.39 nicm 996: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 997:
998: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 999: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1000: for (i = 0; i < screen_size_x(s); i++)
1001: tty_putc(tty, 'E');
1.1 nicm 1002: }
1003: }
1004:
1005: void
1.24 nicm 1006: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1007: {
1.46 nicm 1008: struct window_pane *wp = ctx->wp;
1009: struct screen *s = wp->screen;
1.58 nicm 1010: u_int cx;
1.102 nicm 1011: u_int width;
1.46 nicm 1012:
1013: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1014:
1.57 nicm 1015: /* Is the cursor in the very last position? */
1.147 nicm 1016: width = grid_cell_width(ctx->cell);
1.102 nicm 1017: if (ctx->ocx > wp->sx - width) {
1.113 nicm 1018: if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57 nicm 1019: /*
1020: * The pane doesn't fill the entire line, the linefeed
1021: * will already have happened, so just move the cursor.
1022: */
1.125 nicm 1023: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 1024: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1025: else
1026: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.57 nicm 1027: } else if (tty->cx < tty->sx) {
1028: /*
1029: * The cursor isn't in the last position already, so
1.102 nicm 1030: * move as far left as possible and redraw the last
1.57 nicm 1031: * cell to move into the last position.
1032: */
1.147 nicm 1033: cx = screen_size_x(s) - grid_cell_width(&ctx->last_cell);
1.50 nicm 1034: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1.147 nicm 1035: tty_cell(tty, &ctx->last_cell);
1.50 nicm 1036: }
1037: } else
1.46 nicm 1038: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1039:
1.147 nicm 1040: tty_cell(tty, ctx->cell);
1.1 nicm 1041: }
1042:
1043: void
1.24 nicm 1044: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1045: {
1.53 nicm 1046: struct window_pane *wp = ctx->wp;
1.1 nicm 1047:
1.53 nicm 1048: /*
1049: * Cannot rely on not being a partial character, so just redraw the
1050: * whole line.
1051: */
1.113 nicm 1052: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1053: }
1054:
1055: void
1056: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1057: {
1058: char *buf;
1059: size_t off;
1060:
1061: if (!tty_term_has(tty->term, TTYC_MS))
1062: return;
1063:
1064: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1065: buf = xmalloc(off);
1066:
1067: b64_ntop(ctx->ptr, ctx->num, buf, off);
1068: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1069:
1.138 nicm 1070: free(buf);
1.100 nicm 1071: }
1072:
1073: void
1074: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1075: {
1076: u_int i;
1077: u_char *str = ctx->ptr;
1078:
1079: for (i = 0; i < ctx->num; i++)
1080: tty_putc(tty, str[i]);
1.141 nicm 1081:
1082: tty->cx = tty->cy = UINT_MAX;
1083: tty->rupper = tty->rlower = UINT_MAX;
1084:
1085: tty_reset(tty);
1086: tty_cursor(tty, 0, 0);
1.1 nicm 1087: }
1088:
1089: void
1.147 nicm 1090: tty_cell(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1091: {
1.147 nicm 1092: struct utf8_data ud;
1093: u_int i;
1.1 nicm 1094:
1095: /* Skip last character if terminal is stupid. */
1096: if (tty->term->flags & TERM_EARLYWRAP &&
1097: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
1098: return;
1099:
1100: /* If this is a padding character, do nothing. */
1101: if (gc->flags & GRID_FLAG_PADDING)
1102: return;
1103:
1104: /* Set the attributes. */
1105: tty_attributes(tty, gc);
1106:
1.147 nicm 1107: /* Get the cell and if ASCII write with putc to do ACS translation. */
1108: grid_cell_get(gc, &ud);
1109: if (ud.size == 1) {
1110: if (*ud.data < 0x20 || *ud.data == 0x7f)
1.1 nicm 1111: return;
1.147 nicm 1112: tty_putc(tty, *ud.data);
1.1 nicm 1113: return;
1114: }
1115:
1.147 nicm 1116: /* If not UTF-8, write _. */
1.1 nicm 1117: if (!(tty->flags & TTY_UTF8)) {
1.147 nicm 1118: for (i = 0; i < ud.width; i++)
1.1 nicm 1119: tty_putc(tty, '_');
1120: return;
1121: }
1122:
1.147 nicm 1123: /* Write the data. */
1124: tty_putn(tty, ud.data, ud.size, ud.width);
1.1 nicm 1125: }
1126:
1127: void
1128: tty_reset(struct tty *tty)
1129: {
1130: struct grid_cell *gc = &tty->cell;
1131:
1132: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
1133: return;
1134:
1.90 nicm 1135: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1136: tty_putcode(tty, TTYC_RMACS);
1137: tty_putcode(tty, TTYC_SGR0);
1138: memcpy(gc, &grid_default_cell, sizeof *gc);
1139: }
1140:
1.40 nicm 1141: /* Set region inside pane. */
1.1 nicm 1142: void
1.39 nicm 1143: tty_region_pane(
1144: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 1145: {
1.113 nicm 1146: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1147: }
1148:
1.40 nicm 1149: /* Set region at absolute position. */
1.39 nicm 1150: void
1.40 nicm 1151: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1152: {
1153: if (tty->rlower == rlower && tty->rupper == rupper)
1154: return;
1.1 nicm 1155: if (!tty_term_has(tty->term, TTYC_CSR))
1156: return;
1.39 nicm 1157:
1158: tty->rupper = rupper;
1159: tty->rlower = rlower;
1.55 nicm 1160:
1161: /*
1162: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1163: * 0,0 if it is beyond the last column (they do not reset their wrap
1164: * flag so further output causes a line feed). As a workaround, do an
1165: * explicit move to 0 first.
1166: */
1167: if (tty->cx >= tty->sx)
1168: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1169:
1.39 nicm 1170: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1171: tty_cursor(tty, 0, 0);
1.1 nicm 1172: }
1173:
1.42 nicm 1174: /* Move cursor inside pane. */
1.1 nicm 1175: void
1.41 nicm 1176: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1177: {
1.113 nicm 1178: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1179: }
1180:
1.42 nicm 1181: /* Move cursor to absolute position. */
1.41 nicm 1182: void
1183: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1184: {
1.42 nicm 1185: struct tty_term *term = tty->term;
1186: u_int thisx, thisy;
1187: int change;
1.77 nicm 1188:
1.42 nicm 1189: if (cx > tty->sx - 1)
1190: cx = tty->sx - 1;
1191:
1192: thisx = tty->cx;
1193: thisy = tty->cy;
1194:
1195: /* No change. */
1196: if (cx == thisx && cy == thisy)
1197: return;
1198:
1.43 nicm 1199: /* Very end of the line, just use absolute movement. */
1200: if (thisx > tty->sx - 1)
1201: goto absolute;
1202:
1.42 nicm 1203: /* Move to home position (0, 0). */
1204: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1205: tty_putcode(tty, TTYC_HOME);
1206: goto out;
1207: }
1208:
1209: /* Zero on the next line. */
1.48 nicm 1210: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1211: tty_putc(tty, '\r');
1.42 nicm 1212: tty_putc(tty, '\n');
1213: goto out;
1214: }
1215:
1.45 nicm 1216: /* Moving column or row. */
1.42 nicm 1217: if (cy == thisy) {
1.45 nicm 1218: /*
1219: * Moving column only, row staying the same.
1220: */
1221:
1.42 nicm 1222: /* To left edge. */
1223: if (cx == 0) {
1224: tty_putc(tty, '\r');
1225: goto out;
1226: }
1227:
1228: /* One to the left. */
1229: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1230: tty_putcode(tty, TTYC_CUB1);
1231: goto out;
1232: }
1233:
1234: /* One to the right. */
1235: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1236: tty_putcode(tty, TTYC_CUF1);
1237: goto out;
1238: }
1239:
1240: /* Calculate difference. */
1241: change = thisx - cx; /* +ve left, -ve right */
1242:
1243: /*
1244: * Use HPA if change is larger than absolute, otherwise move
1245: * the cursor with CUB/CUF.
1246: */
1.87 nicm 1247: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1248: tty_putcode1(tty, TTYC_HPA, cx);
1249: goto out;
1250: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1251: tty_putcode1(tty, TTYC_CUB, change);
1252: goto out;
1253: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1254: tty_putcode1(tty, TTYC_CUF, -change);
1255: goto out;
1256: }
1.45 nicm 1257: } else if (cx == thisx) {
1258: /*
1259: * Moving row only, column staying the same.
1260: */
1.42 nicm 1261:
1262: /* One above. */
1.77 nicm 1263: if (thisy != tty->rupper &&
1.42 nicm 1264: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1265: tty_putcode(tty, TTYC_CUU1);
1266: goto out;
1267: }
1268:
1269: /* One below. */
1.49 nicm 1270: if (thisy != tty->rlower &&
1.42 nicm 1271: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1272: tty_putcode(tty, TTYC_CUD1);
1273: goto out;
1274: }
1275:
1276: /* Calculate difference. */
1277: change = thisy - cy; /* +ve up, -ve down */
1278:
1279: /*
1.77 nicm 1280: * Try to use VPA if change is larger than absolute or if this
1281: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1282: */
1.87 nicm 1283: if ((u_int) abs(change) > cy ||
1.42 nicm 1284: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1285: (change > 0 && cy - change < tty->rupper)) {
1286: if (tty_term_has(term, TTYC_VPA)) {
1287: tty_putcode1(tty, TTYC_VPA, cy);
1288: goto out;
1289: }
1.42 nicm 1290: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1291: tty_putcode1(tty, TTYC_CUU, change);
1292: goto out;
1293: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1294: tty_putcode1(tty, TTYC_CUD, -change);
1295: goto out;
1296: }
1297: }
1298:
1.43 nicm 1299: absolute:
1.42 nicm 1300: /* Absolute movement. */
1301: tty_putcode2(tty, TTYC_CUP, cy, cx);
1302:
1303: out:
1304: tty->cx = cx;
1305: tty->cy = cy;
1.1 nicm 1306: }
1307:
1308: void
1309: tty_attributes(struct tty *tty, const struct grid_cell *gc)
1310: {
1.63 nicm 1311: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1312: u_char changed;
1.61 nicm 1313:
1.85 nicm 1314: memcpy(&gc2, gc, sizeof gc2);
1.63 nicm 1315:
1.18 nicm 1316: /*
1317: * If no setab, try to use the reverse attribute as a best-effort for a
1318: * non-default background. This is a bit of a hack but it doesn't do
1319: * any serious harm and makes a couple of applications happier.
1320: */
1321: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1322: if (gc2.attr & GRID_ATTR_REVERSE) {
1323: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1324: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1325: } else {
1.85 nicm 1326: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1327: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1328: }
1329: }
1.1 nicm 1330:
1.85 nicm 1331: /* Fix up the colours if necessary. */
1332: tty_check_fg(tty, &gc2);
1333: tty_check_bg(tty, &gc2);
1334:
1.64 nicm 1335: /* If any bits are being cleared, reset everything. */
1.85 nicm 1336: if (tc->attr & ~gc2.attr)
1.64 nicm 1337: tty_reset(tty);
1338:
1339: /*
1340: * Set the colours. This may call tty_reset() (so it comes next) and
1341: * may add to (NOT remove) the desired attributes by changing new_attr.
1342: */
1.85 nicm 1343: tty_colours(tty, &gc2);
1.64 nicm 1344:
1.1 nicm 1345: /* Filter out attribute bits already set. */
1.85 nicm 1346: changed = gc2.attr & ~tc->attr;
1347: tc->attr = gc2.attr;
1.1 nicm 1348:
1349: /* Set the attributes. */
1350: if (changed & GRID_ATTR_BRIGHT)
1351: tty_putcode(tty, TTYC_BOLD);
1352: if (changed & GRID_ATTR_DIM)
1353: tty_putcode(tty, TTYC_DIM);
1.164 nicm 1354: if (changed & GRID_ATTR_ITALICS) {
1.104 nicm 1355: if (tty_term_has(tty->term, TTYC_SITM))
1356: tty_putcode(tty, TTYC_SITM);
1357: else
1358: tty_putcode(tty, TTYC_SMSO);
1359: }
1.1 nicm 1360: if (changed & GRID_ATTR_UNDERSCORE)
1361: tty_putcode(tty, TTYC_SMUL);
1362: if (changed & GRID_ATTR_BLINK)
1363: tty_putcode(tty, TTYC_BLINK);
1364: if (changed & GRID_ATTR_REVERSE) {
1365: if (tty_term_has(tty->term, TTYC_REV))
1366: tty_putcode(tty, TTYC_REV);
1367: else if (tty_term_has(tty->term, TTYC_SMSO))
1368: tty_putcode(tty, TTYC_SMSO);
1369: }
1370: if (changed & GRID_ATTR_HIDDEN)
1371: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1372: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1373: tty_putcode(tty, TTYC_SMACS);
1374: }
1375:
1.61 nicm 1376: void
1.85 nicm 1377: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1378: {
1.61 nicm 1379: struct grid_cell *tc = &tty->cell;
1.62 nicm 1380: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1381: int have_ax, fg_default, bg_default;
1.61 nicm 1382:
1383: /* No changes? Nothing is necessary. */
1.62 nicm 1384: if (fg == tc->fg && bg == tc->bg &&
1385: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1386: return;
1.1 nicm 1387:
1.61 nicm 1388: /*
1389: * Is either the default colour? This is handled specially because the
1390: * best solution might be to reset both colours to default, in which
1391: * case if only one is default need to fall onward to set the other
1392: * colour.
1393: */
1.62 nicm 1394: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1395: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1396: if (fg_default || bg_default) {
1397: /*
1398: * If don't have AX but do have op, send sgr0 (op can't
1399: * actually be used because it is sometimes the same as sgr0
1400: * and sometimes isn't). This resets both colours to default.
1401: *
1402: * Otherwise, try to set the default colour only as needed.
1403: */
1404: have_ax = tty_term_has(tty->term, TTYC_AX);
1405: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1406: tty_reset(tty);
1407: else {
1408: if (fg_default &&
1.81 nicm 1409: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1410: if (have_ax)
1411: tty_puts(tty, "\033[39m");
1.81 nicm 1412: else if (tc->fg != 7 ||
1413: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1414: tty_putcode1(tty, TTYC_SETAF, 7);
1415: tc->fg = 8;
1416: tc->flags &= ~GRID_FLAG_FG256;
1417: }
1418: if (bg_default &&
1.81 nicm 1419: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1420: if (have_ax)
1.61 nicm 1421: tty_puts(tty, "\033[49m");
1.81 nicm 1422: else if (tc->bg != 0 ||
1423: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1424: tty_putcode1(tty, TTYC_SETAB, 0);
1425: tc->bg = 8;
1426: tc->flags &= ~GRID_FLAG_BG256;
1427: }
1428: }
1429: }
1.1 nicm 1430:
1.61 nicm 1431: /* Set the foreground colour. */
1432: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1433: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 nicm 1434: tty_colours_fg(tty, gc);
1.1 nicm 1435:
1.61 nicm 1436: /*
1437: * Set the background colour. This must come after the foreground as
1438: * tty_colour_fg() can call tty_reset().
1439: */
1440: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1441: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1442: tty_colours_bg(tty, gc);
1.1 nicm 1443: }
1444:
1445: void
1.85 nicm 1446: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1447: {
1448: u_int colours;
1449:
1450: /* Is this a 256-colour colour? */
1451: if (gc->flags & GRID_FLAG_FG256) {
1452: /* And not a 256 colour mode? */
1.158 nicm 1453: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1454: !(tty->term_flags & TERM_256COLOURS)) {
1455: gc->fg = colour_256to16(gc->fg);
1456: if (gc->fg & 8) {
1457: gc->fg &= 7;
1458: gc->attr |= GRID_ATTR_BRIGHT;
1459: } else
1460: gc->attr &= ~GRID_ATTR_BRIGHT;
1461: gc->flags &= ~GRID_FLAG_FG256;
1462: }
1463: return;
1464: }
1465:
1466: /* Is this an aixterm colour? */
1467: colours = tty_term_number(tty->term, TTYC_COLORS);
1468: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1469: gc->fg -= 90;
1470: gc->attr |= GRID_ATTR_BRIGHT;
1471: }
1472: }
1473:
1474: void
1475: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1476: {
1477: u_int colours;
1478:
1479: /* Is this a 256-colour colour? */
1480: if (gc->flags & GRID_FLAG_BG256) {
1481: /*
1482: * And not a 256 colour mode? Translate to 16-colour
1483: * palette. Bold background doesn't exist portably, so just
1484: * discard the bold bit if set.
1485: */
1.158 nicm 1486: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1487: !(tty->term_flags & TERM_256COLOURS)) {
1488: gc->bg = colour_256to16(gc->bg);
1489: if (gc->bg & 8)
1490: gc->bg &= 7;
1491: gc->attr &= ~GRID_ATTR_BRIGHT;
1492: gc->flags &= ~GRID_FLAG_BG256;
1493: }
1494: return;
1495: }
1496:
1497: /* Is this an aixterm colour? */
1498: colours = tty_term_number(tty->term, TTYC_COLORS);
1.112 nicm 1499: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16) {
1.85 nicm 1500: gc->bg -= 90;
1501: gc->attr |= GRID_ATTR_BRIGHT;
1502: }
1503: }
1504:
1505: void
1506: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1507: {
1.61 nicm 1508: struct grid_cell *tc = &tty->cell;
1509: u_char fg = gc->fg;
1.79 nicm 1510: char s[32];
1.1 nicm 1511:
1.61 nicm 1512: /* Is this a 256-colour colour? */
1.1 nicm 1513: if (gc->flags & GRID_FLAG_FG256) {
1.158 nicm 1514: /* Try as 256 colours. */
1.1 nicm 1515: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1516: goto save_fg;
1.85 nicm 1517: /* Else already handled by tty_check_fg. */
1518: return;
1.1 nicm 1519: }
1520:
1.79 nicm 1521: /* Is this an aixterm bright colour? */
1522: if (fg >= 90 && fg <= 97) {
1.85 nicm 1523: xsnprintf(s, sizeof s, "\033[%dm", fg);
1524: tty_puts(tty, s);
1525: goto save_fg;
1.79 nicm 1526: }
1527:
1.61 nicm 1528: /* Otherwise set the foreground colour. */
1529: tty_putcode1(tty, TTYC_SETAF, fg);
1530:
1.77 nicm 1531: save_fg:
1.61 nicm 1532: /* Save the new values in the terminal current cell. */
1533: tc->fg = fg;
1534: tc->flags &= ~GRID_FLAG_FG256;
1535: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1536: }
1537:
1538: void
1.73 nicm 1539: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1540: {
1.61 nicm 1541: struct grid_cell *tc = &tty->cell;
1542: u_char bg = gc->bg;
1.79 nicm 1543: char s[32];
1.1 nicm 1544:
1.61 nicm 1545: /* Is this a 256-colour colour? */
1.1 nicm 1546: if (gc->flags & GRID_FLAG_BG256) {
1.158 nicm 1547: /* Try as 256 colours. */
1.1 nicm 1548: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1549: goto save_bg;
1.85 nicm 1550: /* Else already handled by tty_check_bg. */
1551: return;
1.79 nicm 1552: }
1553:
1554: /* Is this an aixterm bright colour? */
1.112 nicm 1555: if (bg >= 90 && bg <= 97) {
1.79 nicm 1556: /* 16 colour terminals or above only. */
1557: if (tty_term_number(tty->term, TTYC_COLORS) >= 16) {
1.112 nicm 1558: xsnprintf(s, sizeof s, "\033[%dm", bg + 10);
1.79 nicm 1559: tty_puts(tty, s);
1560: goto save_bg;
1561: }
1.112 nicm 1562: bg -= 90;
1.79 nicm 1563: /* no such thing as a bold background */
1.1 nicm 1564: }
1565:
1.61 nicm 1566: /* Otherwise set the background colour. */
1567: tty_putcode1(tty, TTYC_SETAB, bg);
1568:
1569: save_bg:
1570: /* Save the new values in the terminal current cell. */
1571: tc->bg = bg;
1572: tc->flags &= ~GRID_FLAG_BG256;
1573: tc->flags |= gc->flags & GRID_FLAG_BG256;
1574: }
1575:
1576: int
1577: tty_try_256(struct tty *tty, u_char colour, const char *type)
1578: {
1579: char s[32];
1580:
1.165 nicm 1581: /*
1582: * If the terminfo entry has 256 colours, assume that setaf and setab
1583: * work correctly.
1584: */
1585: if (tty->term->flags & TERM_256COLOURS) {
1586: if (*type == '3')
1587: tty_putcode1(tty, TTYC_SETAF, colour);
1588: else
1589: tty_putcode1(tty, TTYC_SETAB, colour);
1590: return (0);
1591: }
1592:
1593: /*
1594: * If the user has specified -2 to the client, setaf and setab may not
1595: * work, so send the usual sequence.
1596: */
1597: if (tty->term_flags & TERM_256COLOURS) {
1598: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1599: tty_puts(tty, s);
1600: return (0);
1601: }
1.61 nicm 1602:
1.165 nicm 1603: return (-1);
1.110 nicm 1604: }
1605:
1606: void
1607: tty_bell(struct tty *tty)
1608: {
1609: tty_putcode(tty, TTYC_BEL);
1.1 nicm 1610: }
![[BACK]](/icons/back.gif){kind=icon}
Return to tty.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / tmux