Annotation of src/usr.bin/tmux/tty.c, Revision 1.138
1.138 ! nicm 1: /* $OpenBSD: tty.c,v 1.137 2012/06/20 12:55:55 nicm 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: int tty_try_88(struct tty *, u_char, const char *);
39:
1.85 nicm 40: void tty_colours(struct tty *, const struct grid_cell *);
41: void tty_check_fg(struct tty *, struct grid_cell *);
42: void tty_check_bg(struct tty *, struct grid_cell *);
43: void tty_colours_fg(struct tty *, const struct grid_cell *);
1.73 nicm 44: void tty_colours_bg(struct tty *, const struct grid_cell *);
1.1 nicm 45:
1.120 nicm 46: int tty_large_region(struct tty *, const struct tty_ctx *);
1.130 nicm 47: void tty_cra_pane(struct tty *,
48: const struct tty_ctx *, u_int, u_int, u_int, u_int, u_int, u_int);
49: void tty_era_pane(struct tty *,
50: const struct tty_ctx *, u_int, u_int, u_int, u_int);
1.24 nicm 51: void tty_redraw_region(struct tty *, const struct tty_ctx *);
1.13 nicm 52: void tty_emulate_repeat(
53: struct tty *, enum tty_code_code, enum tty_code_code, u_int);
1.133 nicm 54: void tty_repeat_space(struct tty *, u_int);
1.14 nicm 55: void tty_cell(struct tty *,
1.77 nicm 56: const struct grid_cell *, const struct grid_utf8 *);
1.1 nicm 57:
1.90 nicm 58: #define tty_use_acs(tty) \
1.131 nicm 59: (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.130 nicm 60: #define tty_use_rect(tty) \
1.131 nicm 61: ((tty)->xterm_version > 270)
1.90 nicm 62:
1.132 nicm 63: #define tty_pane_full_width(tty, ctx) \
64: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
65:
1.1 nicm 66: void
1.136 nicm 67: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 68: {
1.30 nicm 69: char *path;
70:
71: memset(tty, 0, sizeof *tty);
1.23 nicm 72: tty->log_fd = -1;
1.22 nicm 73:
1.9 nicm 74: if (term == NULL || *term == '\0')
1.1 nicm 75: tty->termname = xstrdup("unknown");
76: else
77: tty->termname = xstrdup(term);
1.30 nicm 78: tty->fd = fd;
1.136 nicm 79: tty->client = c;
1.30 nicm 80:
81: if ((path = ttyname(fd)) == NULL)
82: fatalx("ttyname failed");
83: tty->path = xstrdup(path);
1.108 nicm 84: tty->cstyle = 0;
1.107 nicm 85: tty->ccolour = xstrdup("");
1.30 nicm 86:
1.1 nicm 87: tty->flags = 0;
88: tty->term_flags = 0;
1.31 nicm 89: }
90:
1.88 nicm 91: int
1.31 nicm 92: tty_resize(struct tty *tty)
93: {
94: struct winsize ws;
1.88 nicm 95: u_int sx, sy;
1.31 nicm 96:
97: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 98: sx = ws.ws_col;
99: if (sx == 0)
100: sx = 80;
101: sy = ws.ws_row;
102: if (sy == 0)
103: sy = 24;
104: } else {
105: sx = 80;
106: sy = 24;
1.31 nicm 107: }
1.114 nicm 108: if (!tty_set_size(tty, sx, sy))
1.88 nicm 109: return (0);
1.31 nicm 110:
111: tty->cx = UINT_MAX;
112: tty->cy = UINT_MAX;
113:
114: tty->rupper = UINT_MAX;
115: tty->rlower = UINT_MAX;
1.88 nicm 116:
117: /*
118: * If the terminal has been started, reset the actual scroll region and
119: * cursor position, as this may not have happened.
120: */
121: if (tty->flags & TTY_STARTED) {
122: tty_cursor(tty, 0, 0);
123: tty_region(tty, 0, tty->sy - 1);
124: }
125:
1.114 nicm 126: return (1);
127: }
128:
129: int
130: tty_set_size(struct tty *tty, u_int sx, u_int sy) {
131: if (sx == tty->sx && sy == tty->sy)
132: return (0);
133: tty->sx = sx;
134: tty->sy = sy;
1.88 nicm 135: return (1);
1.1 nicm 136: }
137:
138: int
1.17 nicm 139: tty_open(struct tty *tty, const char *overrides, char **cause)
1.1 nicm 140: {
1.88 nicm 141: char out[64];
1.30 nicm 142: int fd;
1.1 nicm 143:
1.30 nicm 144: if (debug_level > 3) {
1.88 nicm 145: xsnprintf(out, sizeof out, "tmux-out-%ld.log", (long) getpid());
146: fd = open(out, O_WRONLY|O_CREAT|O_TRUNC, 0644);
1.30 nicm 147: if (fd != -1 && fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
148: fatal("fcntl failed");
149: tty->log_fd = fd;
1.1 nicm 150: }
151:
1.17 nicm 152: tty->term = tty_term_find(tty->termname, tty->fd, overrides, cause);
1.21 nicm 153: if (tty->term == NULL) {
154: tty_close(tty);
155: return (-1);
156: }
157: tty->flags |= TTY_OPENED;
1.1 nicm 158:
1.66 nicm 159: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_ESCAPE);
1.1 nicm 160:
1.66 nicm 161: tty->event = bufferevent_new(
1.67 nicm 162: tty->fd, tty_read_callback, NULL, tty_error_callback, tty);
1.1 nicm 163:
164: tty_start_tty(tty);
165:
166: tty_keys_init(tty);
167:
168: return (0);
169: }
170:
1.73 nicm 171: /* ARGSUSED */
1.1 nicm 172: void
1.67 nicm 173: tty_read_callback(unused struct bufferevent *bufev, void *data)
174: {
175: struct tty *tty = data;
176:
177: while (tty_keys_next(tty))
178: ;
179: }
180:
1.73 nicm 181: /* ARGSUSED */
1.67 nicm 182: void
1.66 nicm 183: tty_error_callback(
184: unused struct bufferevent *bufev, unused short what, unused void *data)
185: {
186: }
187:
188: void
1.127 nicm 189: tty_init_termios(int fd, struct termios *orig_tio, struct bufferevent *bufev)
1.1 nicm 190: {
1.128 nicm 191: struct termios tio;
1.33 nicm 192:
1.127 nicm 193: if (fd == -1 || tcgetattr(fd, orig_tio) != 0)
1.33 nicm 194: return;
1.1 nicm 195:
1.127 nicm 196: setblocking(fd, 0);
1.34 nicm 197:
1.127 nicm 198: if (bufev != NULL)
199: bufferevent_enable(bufev, EV_READ|EV_WRITE);
1.66 nicm 200:
1.127 nicm 201: memcpy(&tio, orig_tio, sizeof tio);
1.1 nicm 202: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
203: tio.c_iflag |= IGNBRK;
204: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
205: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
206: ECHOPRT|ECHOKE|ECHOCTL|ISIG);
207: tio.c_cc[VMIN] = 1;
1.60 deraadt 208: tio.c_cc[VTIME] = 0;
1.127 nicm 209: if (tcsetattr(fd, TCSANOW, &tio) == 0)
210: tcflush(fd, TCIOFLUSH);
211: }
212:
213: void
214: tty_start_tty(struct tty *tty)
215: {
216: tty_init_termios(tty->fd, &tty->tio, tty->event);
1.1 nicm 217:
1.10 nicm 218: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 219:
1.25 nicm 220: tty_putcode(tty, TTYC_SGR0);
221: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
222:
1.76 nicm 223: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 224: if (tty_use_acs(tty))
225: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 226: tty_putcode(tty, TTYC_CLEAR);
227:
228: tty_putcode(tty, TTYC_CNORM);
229: if (tty_term_has(tty->term, TTYC_KMOUS))
230: tty_puts(tty, "\033[?1000l");
1.121 nicm 231:
232: if (tty_term_has(tty->term, TTYC_XT))
233: tty_puts(tty, "\033[>c");
1.1 nicm 234:
235: tty->cx = UINT_MAX;
236: tty->cy = UINT_MAX;
237:
238: tty->rlower = UINT_MAX;
239: tty->rupper = UINT_MAX;
240:
241: tty->mode = MODE_CURSOR;
1.20 nicm 242:
243: tty->flags |= TTY_STARTED;
1.107 nicm 244:
245: tty_force_cursor_colour(tty, "");
1.1 nicm 246: }
247:
248: void
1.128 nicm 249: tty_set_version(struct tty *tty, u_int version)
250: {
251: if (tty->xterm_version != 0)
252: return;
253: tty->xterm_version = version;
254:
255: if (tty->xterm_version > 270) {
256: tty_puts(tty, "\033[65;1\"p");
257:
258: tty_putcode(tty, TTYC_RMACS);
259: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
260:
261: tty->cx = UINT_MAX;
262: tty->cy = UINT_MAX;
263:
264: tty->rupper = UINT_MAX;
265: tty->rlower = UINT_MAX;
266: }
267: }
268:
269: void
1.1 nicm 270: tty_stop_tty(struct tty *tty)
271: {
272: struct winsize ws;
273:
1.20 nicm 274: if (!(tty->flags & TTY_STARTED))
275: return;
276: tty->flags &= ~TTY_STARTED;
277:
1.66 nicm 278: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
279:
1.1 nicm 280: /*
281: * Be flexible about error handling and try not kill the server just
282: * because the fd is invalid. Things like ssh -t can easily leave us
283: * with a dead tty.
284: */
285: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
286: return;
287: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
288: return;
289:
1.103 nicm 290: setblocking(tty->fd, 1);
291:
1.1 nicm 292: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 293: if (tty_use_acs(tty))
294: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 295: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
296: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
297: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.108 nicm 298: if (tty_term_has(tty->term, TTYC_CS1) && tty->cstyle != 0) {
299: if (tty_term_has(tty->term, TTYC_CSR1))
300: tty_raw(tty, tty_term_string(tty->term, TTYC_CSR1));
1.109 nicm 301: else
1.108 nicm 302: tty_raw(tty, tty_term_string1(tty->term, TTYC_CS1, 0));
303: }
1.107 nicm 304: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 305:
306: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
307: if (tty_term_has(tty->term, TTYC_KMOUS))
308: tty_raw(tty, "\033[?1000l");
1.10 nicm 309:
310: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.128 nicm 311:
312: if (tty->xterm_version > 270)
313: tty_raw(tty, "\033[61;1\"p");
1.1 nicm 314: }
315:
316: void
1.20 nicm 317: tty_close(struct tty *tty)
1.1 nicm 318: {
319: if (tty->log_fd != -1) {
320: close(tty->log_fd);
321: tty->log_fd = -1;
322: }
323:
1.123 nicm 324: if (event_initialized(&tty->key_timer))
325: evtimer_del(&tty->key_timer);
1.20 nicm 326: tty_stop_tty(tty);
1.1 nicm 327:
1.21 nicm 328: if (tty->flags & TTY_OPENED) {
1.66 nicm 329: bufferevent_free(tty->event);
330:
1.21 nicm 331: tty_term_free(tty->term);
332: tty_keys_free(tty);
333:
334: tty->flags &= ~TTY_OPENED;
335: }
1.1 nicm 336:
1.21 nicm 337: if (tty->fd != -1) {
338: close(tty->fd);
339: tty->fd = -1;
340: }
1.1 nicm 341: }
342:
343: void
1.20 nicm 344: tty_free(struct tty *tty)
1.1 nicm 345: {
1.20 nicm 346: tty_close(tty);
1.1 nicm 347:
1.138 ! nicm 348: free(tty->ccolour);
1.1 nicm 349: if (tty->path != NULL)
1.138 ! nicm 350: free(tty->path);
1.1 nicm 351: if (tty->termname != NULL)
1.138 ! nicm 352: free(tty->termname);
1.1 nicm 353: }
354:
355: void
356: tty_raw(struct tty *tty, const char *s)
357: {
358: write(tty->fd, s, strlen(s));
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
1.106 nicm 391: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a, const void *b)
392: {
393: if (a != NULL && b != NULL)
394: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
395: }
396:
397: void
1.1 nicm 398: tty_puts(struct tty *tty, const char *s)
399: {
400: if (*s == '\0')
401: return;
1.66 nicm 402: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 403:
404: if (tty->log_fd != -1)
405: write(tty->log_fd, s, strlen(s));
406: }
407:
408: void
409: tty_putc(struct tty *tty, u_char ch)
410: {
1.90 nicm 411: const char *acs;
412: u_int sx;
1.1 nicm 413:
1.90 nicm 414: if (tty->cell.attr & GRID_ATTR_CHARSET) {
415: acs = tty_acs_get(tty, ch);
416: if (acs != NULL)
417: bufferevent_write(tty->event, acs, strlen(acs));
418: else
419: bufferevent_write(tty->event, &ch, 1);
420: } else
421: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 422:
423: if (ch >= 0x20 && ch != 0x7f) {
424: sx = tty->sx;
425: if (tty->term->flags & TERM_EARLYWRAP)
426: sx--;
427:
1.46 nicm 428: if (tty->cx >= sx) {
429: tty->cx = 1;
430: if (tty->cy != tty->rlower)
431: tty->cy++;
1.1 nicm 432: } else
433: tty->cx++;
434: }
435:
436: if (tty->log_fd != -1)
437: write(tty->log_fd, &ch, 1);
438: }
439:
440: void
1.5 nicm 441: tty_pututf8(struct tty *tty, const struct grid_utf8 *gu)
442: {
1.71 nicm 443: size_t size;
1.5 nicm 444:
1.71 nicm 445: size = grid_utf8_size(gu);
446: bufferevent_write(tty->event, gu->data, size);
447: if (tty->log_fd != -1)
448: write(tty->log_fd, gu->data, size);
1.54 nicm 449: tty->cx += gu->width;
1.5 nicm 450: }
451:
452: void
1.1 nicm 453: tty_set_title(struct tty *tty, const char *title)
454: {
1.105 nicm 455: if (!tty_term_has(tty->term, TTYC_TSL) ||
456: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 457: return;
458:
1.105 nicm 459: tty_putcode(tty, TTYC_TSL);
1.1 nicm 460: tty_puts(tty, title);
1.105 nicm 461: tty_putcode(tty, TTYC_FSL);
1.1 nicm 462: }
463:
464: void
1.107 nicm 465: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
466: {
467: if (*ccolour == '\0')
468: tty_putcode(tty, TTYC_CR);
469: else
470: tty_putcode_ptr1(tty, TTYC_CC, ccolour);
1.138 ! nicm 471: free(tty->ccolour);
1.107 nicm 472: tty->ccolour = xstrdup(ccolour);
473: }
474:
475: void
476: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 477: {
478: int changed;
479:
1.107 nicm 480: if (strcmp(s->ccolour, tty->ccolour))
481: tty_force_cursor_colour(tty, s->ccolour);
482:
1.1 nicm 483: if (tty->flags & TTY_NOCURSOR)
484: mode &= ~MODE_CURSOR;
485:
486: changed = mode ^ tty->mode;
487: if (changed & MODE_CURSOR) {
488: if (mode & MODE_CURSOR)
489: tty_putcode(tty, TTYC_CNORM);
490: else
491: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 492: }
493: if (tty->cstyle != s->cstyle) {
494: if (tty_term_has(tty->term, TTYC_CS1)) {
495: if (s->cstyle == 0 &&
496: tty_term_has(tty->term, TTYC_CSR1))
497: tty_putcode(tty, TTYC_CSR1);
498: else
499: tty_putcode1(tty, TTYC_CS1, s->cstyle);
500: }
501: tty->cstyle = s->cstyle;
1.1 nicm 502: }
1.94 nicm 503: if (changed & ALL_MOUSE_MODES) {
504: if (mode & ALL_MOUSE_MODES) {
1.95 nicm 505: if (mode & MODE_MOUSE_UTF8)
506: tty_puts(tty, "\033[?1005h");
1.98 nicm 507: if (mode & MODE_MOUSE_ANY)
508: tty_puts(tty, "\033[?1003h");
1.94 nicm 509: else if (mode & MODE_MOUSE_BUTTON)
510: tty_puts(tty, "\033[?1002h");
1.98 nicm 511: else if (mode & MODE_MOUSE_STANDARD)
512: tty_puts(tty, "\033[?1000h");
1.86 nicm 513: } else {
1.98 nicm 514: if (tty->mode & MODE_MOUSE_ANY)
515: tty_puts(tty, "\033[?1003l");
1.94 nicm 516: else if (tty->mode & MODE_MOUSE_BUTTON)
517: tty_puts(tty, "\033[?1002l");
1.98 nicm 518: else if (tty->mode & MODE_MOUSE_STANDARD)
519: tty_puts(tty, "\033[?1000l");
1.95 nicm 520: if (tty->mode & MODE_MOUSE_UTF8)
521: tty_puts(tty, "\033[?1005l");
1.86 nicm 522: }
1.76 nicm 523: }
524: if (changed & MODE_KKEYPAD) {
525: if (mode & MODE_KKEYPAD)
526: tty_putcode(tty, TTYC_SMKX);
527: else
528: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 529: }
530: if (changed & MODE_BRACKETPASTE) {
531: if (mode & MODE_BRACKETPASTE)
532: tty_puts(tty, "\033[?2004h");
533: else
534: tty_puts(tty, "\033[?2004l");
1.1 nicm 535: }
536: tty->mode = mode;
537: }
538:
539: void
540: tty_emulate_repeat(
541: struct tty *tty, enum tty_code_code code, enum tty_code_code code1, u_int n)
542: {
543: if (tty_term_has(tty->term, code))
544: tty_putcode1(tty, code, n);
545: else {
546: while (n-- > 0)
547: tty_putcode(tty, code1);
548: }
549: }
550:
1.133 nicm 551: void
552: tty_repeat_space(struct tty *tty, u_int n)
553: {
554: while (n-- > 0)
555: tty_putc(tty, ' ');
556: }
557:
1.1 nicm 558: /*
1.119 nicm 559: * Is the region large enough to be worth redrawing once later rather than
560: * probably several times now? Currently yes if it is more than 50% of the
561: * pane.
562: */
563: int
564: tty_large_region(unused struct tty *tty, const struct tty_ctx *ctx)
565: {
566: struct window_pane *wp = ctx->wp;
567:
568: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
569: }
570:
571: /*
1.1 nicm 572: * Redraw scroll region using data from screen (already updated). Used when
573: * CSR not supported, or window is a pane that doesn't take up the full
574: * width of the terminal.
575: */
576: void
1.24 nicm 577: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 578: {
1.14 nicm 579: struct window_pane *wp = ctx->wp;
580: struct screen *s = wp->screen;
581: u_int i;
1.1 nicm 582:
583: /*
1.119 nicm 584: * If region is large, schedule a window redraw. In most cases this is
585: * likely to be followed by some more scrolling.
1.1 nicm 586: */
1.119 nicm 587: if (tty_large_region(tty, ctx)) {
1.1 nicm 588: wp->flags |= PANE_REDRAW;
589: return;
590: }
591:
1.14 nicm 592: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
593: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.113 nicm 594: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 595: } else {
1.14 nicm 596: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.113 nicm 597: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 598: }
599: }
600:
601: void
602: tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
603: {
604: const struct grid_cell *gc;
1.46 nicm 605: struct grid_line *gl;
1.16 nicm 606: struct grid_cell tmpgc;
1.1 nicm 607: const struct grid_utf8 *gu;
608: u_int i, sx;
609:
1.107 nicm 610: tty_update_mode(tty, tty->mode & ~MODE_CURSOR, s);
1.35 nicm 611:
1.1 nicm 612: sx = screen_size_x(s);
1.19 nicm 613: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
614: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 615: if (sx > tty->sx)
616: sx = tty->sx;
617:
1.46 nicm 618: /*
619: * Don't move the cursor to the start permission if it will wrap there
1.50 nicm 620: * itself.
1.46 nicm 621: */
622: gl = NULL;
623: if (py != 0)
624: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 625: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 626: tty->cx < tty->sx || ox != 0 ||
627: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 628: tty_cursor(tty, ox, oy + py);
629:
1.1 nicm 630: for (i = 0; i < sx; i++) {
631: gc = grid_view_peek_cell(s->grid, i, py);
632:
633: gu = NULL;
634: if (gc->flags & GRID_FLAG_UTF8)
635: gu = grid_view_peek_utf8(s->grid, i, py);
636:
637: if (screen_check_selection(s, i, py)) {
1.16 nicm 638: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
639: tmpgc.data = gc->data;
1.77 nicm 640: tmpgc.flags = gc->flags &
1.38 nicm 641: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
642: tmpgc.flags |= s->sel.cell.flags &
643: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.16 nicm 644: tty_cell(tty, &tmpgc, gu);
1.1 nicm 645: } else
646: tty_cell(tty, gc, gu);
647: }
648:
1.35 nicm 649: if (sx >= tty->sx) {
1.107 nicm 650: tty_update_mode(tty, tty->mode, s);
1.1 nicm 651: return;
1.35 nicm 652: }
1.1 nicm 653: tty_reset(tty);
654:
1.41 nicm 655: tty_cursor(tty, ox + sx, oy + py);
1.126 nicm 656: if (sx != screen_size_x(s) && ox + screen_size_x(s) >= tty->sx &&
1.117 nicm 657: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 658: tty_putcode(tty, TTYC_EL);
1.133 nicm 659: else
660: tty_repeat_space(tty, screen_size_x(s) - sx);
1.107 nicm 661: tty_update_mode(tty, tty->mode, s);
1.15 nicm 662: }
663:
664: void
1.113 nicm 665: tty_write(
666: void (*cmdfn)(struct tty *, const struct tty_ctx *), struct tty_ctx *ctx)
1.15 nicm 667: {
668: struct window_pane *wp = ctx->wp;
669: struct client *c;
1.113 nicm 670: struct session *s;
1.15 nicm 671: u_int i;
672:
1.75 nicm 673: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 674: if (wp == NULL)
675: return;
676:
677: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
678: return;
1.129 nicm 679: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 680: return;
681:
682: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
683: c = ARRAY_ITEM(&clients, i);
684: if (c == NULL || c->session == NULL)
685: continue;
686: if (c->flags & CLIENT_SUSPENDED)
687: continue;
1.113 nicm 688: s = c->session;
1.15 nicm 689:
1.113 nicm 690: if (s->curw->window == wp->window) {
1.89 nicm 691: if (c->tty.term == NULL)
692: continue;
1.116 nicm 693: if (c->tty.flags & TTY_FREEZE)
1.15 nicm 694: continue;
1.113 nicm 695:
696: ctx->xoff = wp->xoff;
697: ctx->yoff = wp->yoff;
698: if (status_at_line(c) == 0)
699: ctx->yoff++;
700:
1.15 nicm 701: cmdfn(&c->tty, ctx);
702: }
1.1 nicm 703: }
704: }
705:
706: void
1.130 nicm 707: tty_cra_pane(struct tty *tty, const struct tty_ctx *ctx,
708: u_int t, u_int l, u_int b, u_int r, u_int tt, u_int tl)
709: {
710: char tmp[64];
711:
712: snprintf(tmp, sizeof tmp,
713: "\033[%u;%u;%u;%u;1;%u;%u;1$v",
714: ctx->yoff + t + 1,
715: ctx->xoff + l + 1,
716: ctx->yoff + b + 1,
717: ctx->xoff + r + 1,
718: ctx->yoff + tt + 1,
719: ctx->xoff + tl + 1);
720: tty_puts(tty, tmp);
721: }
722:
723: void
724: tty_era_pane(struct tty *tty, const struct tty_ctx *ctx,
725: u_int t, u_int l, u_int b, u_int r)
726: {
727: char tmp[64];
728:
729: snprintf(tmp, sizeof tmp,
730: "\033[%u;%u;%u;%u$z",
731: ctx->yoff + t + 1,
732: ctx->xoff + l + 1,
733: ctx->yoff + b + 1,
734: ctx->xoff + r + 1);
735: tty_puts(tty, tmp);
736: }
737:
738: void
1.24 nicm 739: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 740: {
1.77 nicm 741: struct window_pane *wp = ctx->wp;
1.1 nicm 742:
1.135 nicm 743: if (!tty_pane_full_width(tty, ctx)) {
1.113 nicm 744: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 745: return;
746: }
747:
748: tty_reset(tty);
749:
1.77 nicm 750: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 751:
1.1 nicm 752: if (tty_term_has(tty->term, TTYC_ICH) ||
753: tty_term_has(tty->term, TTYC_ICH1))
1.12 nicm 754: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.134 nicm 755: else
1.113 nicm 756: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 757: }
758:
759: void
1.24 nicm 760: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 761: {
1.77 nicm 762: struct window_pane *wp = ctx->wp;
1.1 nicm 763:
1.135 nicm 764: if (!tty_pane_full_width(tty, ctx) ||
1.26 nicm 765: (!tty_term_has(tty->term, TTYC_DCH) &&
766: !tty_term_has(tty->term, TTYC_DCH1))) {
1.113 nicm 767: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 768: return;
769: }
770:
771: tty_reset(tty);
772:
1.77 nicm 773: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 774:
1.26 nicm 775: if (tty_term_has(tty->term, TTYC_DCH) ||
776: tty_term_has(tty->term, TTYC_DCH1))
777: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.1 nicm 778: }
779:
780: void
1.24 nicm 781: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 782: {
1.132 nicm 783: if (!tty_pane_full_width(tty, ctx) ||
1.77 nicm 784: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 785: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 786: tty_redraw_region(tty, ctx);
1.1 nicm 787: return;
788: }
789:
790: tty_reset(tty);
791:
1.77 nicm 792: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
793: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 794:
1.12 nicm 795: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 796: }
797:
798: void
1.24 nicm 799: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 800: {
1.132 nicm 801: if (!tty_pane_full_width(tty, ctx) ||
1.72 nicm 802: !tty_term_has(tty->term, TTYC_CSR) ||
803: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 804: tty_redraw_region(tty, ctx);
1.1 nicm 805: return;
806: }
807:
808: tty_reset(tty);
809:
1.77 nicm 810: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
811: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 812:
1.12 nicm 813: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 814: }
815:
816: void
1.24 nicm 817: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 818: {
1.77 nicm 819: struct window_pane *wp = ctx->wp;
1.12 nicm 820: struct screen *s = wp->screen;
1.1 nicm 821:
822: tty_reset(tty);
823:
1.77 nicm 824: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 825:
1.133 nicm 826: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL))
1.1 nicm 827: tty_putcode(tty, TTYC_EL);
1.133 nicm 828: else
829: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 830: }
831:
832: void
1.24 nicm 833: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 834: {
1.77 nicm 835: struct window_pane *wp = ctx->wp;
1.12 nicm 836: struct screen *s = wp->screen;
1.1 nicm 837:
838: tty_reset(tty);
839:
1.41 nicm 840: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
841:
1.132 nicm 842: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL))
1.1 nicm 843: tty_putcode(tty, TTYC_EL);
1.133 nicm 844: else
845: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.1 nicm 846: }
847:
848: void
1.24 nicm 849: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 850: {
851: tty_reset(tty);
852:
1.113 nicm 853: if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1.41 nicm 854: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 855: tty_putcode(tty, TTYC_EL1);
856: } else {
1.41 nicm 857: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 858: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 859: }
860: }
861:
862: void
1.24 nicm 863: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 864: {
1.56 nicm 865: if (ctx->ocy != ctx->orupper)
866: return;
867:
1.132 nicm 868: if (!tty_pane_full_width(tty, ctx) ||
1.70 nicm 869: !tty_term_has(tty->term, TTYC_CSR) ||
870: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 871: tty_redraw_region(tty, ctx);
1.1 nicm 872: return;
873: }
874:
1.56 nicm 875: tty_reset(tty);
1.77 nicm 876:
1.56 nicm 877: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
878: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 879:
1.56 nicm 880: tty_putcode(tty, TTYC_RI);
1.1 nicm 881: }
882:
883: void
1.24 nicm 884: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 885: {
1.77 nicm 886: struct window_pane *wp = ctx->wp;
1.12 nicm 887: struct screen *s = wp->screen;
1.1 nicm 888:
1.56 nicm 889: if (ctx->ocy != ctx->orlower)
890: return;
891:
1.132 nicm 892: if (!tty_pane_full_width(tty, ctx) ||
1.1 nicm 893: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 894: if (tty_large_region(tty, ctx))
895: wp->flags |= PANE_REDRAW;
1.130 nicm 896: else if (tty_use_rect(tty)) {
897: tty_cra_pane (tty, ctx, ctx->orupper + 1, 0,
898: ctx->orlower, screen_size_x(s) - 1,
899: ctx->orupper, 0);
1.128 nicm 900: tty_cmd_clearline(tty, ctx);
901: } else
902: tty_redraw_region(tty, ctx);
1.1 nicm 903: return;
904: }
1.52 nicm 905:
906: /*
907: * If this line wrapped naturally (ctx->num is nonzero), don't do
908: * anything - the cursor can just be moved to the last cell and wrap
909: * naturally.
910: */
911: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
912: return;
1.1 nicm 913:
1.56 nicm 914: tty_reset(tty);
1.77 nicm 915:
1.56 nicm 916: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
917: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 918:
1.56 nicm 919: tty_putc(tty, '\n');
1.1 nicm 920: }
921:
922: void
1.24 nicm 923: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 924: {
1.77 nicm 925: struct window_pane *wp = ctx->wp;
1.12 nicm 926: struct screen *s = wp->screen;
927: u_int i, j;
1.1 nicm 928:
929: tty_reset(tty);
930:
1.39 nicm 931: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 932: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 933:
1.132 nicm 934: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.1 nicm 935: tty_putcode(tty, TTYC_EL);
1.14 nicm 936: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 937: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 938: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 939: tty_putcode(tty, TTYC_EL);
940: if (i == screen_size_y(s) - 1)
941: continue;
942: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
943: tty->cy++;
944: }
945: }
946: } else {
1.133 nicm 947: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.68 nicm 948: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 949: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 950: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 951: }
952: }
953: }
954:
955: void
1.24 nicm 956: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 957: {
1.77 nicm 958: struct window_pane *wp = ctx->wp;
1.12 nicm 959: struct screen *s = wp->screen;
960: u_int i, j;
1.1 nicm 961:
962: tty_reset(tty);
963:
1.39 nicm 964: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 965: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 966:
1.132 nicm 967: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.14 nicm 968: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 969: tty_putcode(tty, TTYC_EL);
970: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
971: tty->cy++;
972: }
973: } else {
1.14 nicm 974: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 975: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 976: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 977: }
978: }
1.133 nicm 979: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 980: }
981:
982: void
1.24 nicm 983: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 984: {
1.77 nicm 985: struct window_pane *wp = ctx->wp;
1.12 nicm 986: struct screen *s = wp->screen;
987: u_int i, j;
1.1 nicm 988:
989: tty_reset(tty);
990:
1.39 nicm 991: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 992: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 993:
1.132 nicm 994: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.1 nicm 995: for (i = 0; i < screen_size_y(s); i++) {
996: tty_putcode(tty, TTYC_EL);
997: if (i != screen_size_y(s) - 1) {
998: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
999: tty->cy++;
1000: }
1001: }
1002: } else {
1003: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1004: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1005: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1006: }
1.4 nicm 1007: }
1008: }
1009:
1010: void
1.24 nicm 1011: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1012: {
1.12 nicm 1013: struct window_pane *wp = ctx->wp;
1014: struct screen *s = wp->screen;
1015: u_int i, j;
1.4 nicm 1016:
1017: tty_reset(tty);
1018:
1.39 nicm 1019: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 1020:
1021: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1022: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1023: for (i = 0; i < screen_size_x(s); i++)
1024: tty_putc(tty, 'E');
1.1 nicm 1025: }
1026: }
1027:
1028: void
1.24 nicm 1029: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1030: {
1.46 nicm 1031: struct window_pane *wp = ctx->wp;
1032: struct screen *s = wp->screen;
1.58 nicm 1033: u_int cx;
1.102 nicm 1034: u_int width;
1035: const struct grid_cell *gc = ctx->cell;
1036: const struct grid_utf8 *gu = ctx->utf8;
1037:
1038: if (gc->flags & GRID_FLAG_UTF8)
1039: width = gu->width;
1040: else
1041: width = 1;
1.46 nicm 1042:
1043: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1044:
1.57 nicm 1045: /* Is the cursor in the very last position? */
1.102 nicm 1046: if (ctx->ocx > wp->sx - width) {
1.113 nicm 1047: if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57 nicm 1048: /*
1049: * The pane doesn't fill the entire line, the linefeed
1050: * will already have happened, so just move the cursor.
1051: */
1.125 nicm 1052: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 1053: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1054: else
1055: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.57 nicm 1056: } else if (tty->cx < tty->sx) {
1057: /*
1058: * The cursor isn't in the last position already, so
1.102 nicm 1059: * move as far left as possible and redraw the last
1.57 nicm 1060: * cell to move into the last position.
1061: */
1.111 nicm 1062: if (ctx->last_cell.flags & GRID_FLAG_UTF8)
1063: cx = screen_size_x(s) - ctx->last_utf8.width;
1064: else
1065: cx = screen_size_x(s) - 1;
1.50 nicm 1066: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1067: tty_cell(tty, &ctx->last_cell, &ctx->last_utf8);
1068: }
1069: } else
1.46 nicm 1070: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1071:
1.12 nicm 1072: tty_cell(tty, ctx->cell, ctx->utf8);
1.1 nicm 1073: }
1074:
1075: void
1.24 nicm 1076: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1077: {
1.53 nicm 1078: struct window_pane *wp = ctx->wp;
1.1 nicm 1079:
1.53 nicm 1080: /*
1081: * Cannot rely on not being a partial character, so just redraw the
1082: * whole line.
1083: */
1.113 nicm 1084: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1085: }
1086:
1087: void
1088: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1089: {
1090: char *buf;
1091: size_t off;
1092:
1093: if (!tty_term_has(tty->term, TTYC_MS))
1094: return;
1095:
1096: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1097: buf = xmalloc(off);
1098:
1099: b64_ntop(ctx->ptr, ctx->num, buf, off);
1100: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1101:
1.138 ! nicm 1102: free(buf);
1.100 nicm 1103: }
1104:
1105: void
1106: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1107: {
1108: u_int i;
1109: u_char *str = ctx->ptr;
1110:
1111: for (i = 0; i < ctx->num; i++)
1112: tty_putc(tty, str[i]);
1.1 nicm 1113: }
1114:
1115: void
1116: tty_cell(
1117: struct tty *tty, const struct grid_cell *gc, const struct grid_utf8 *gu)
1118: {
1119: u_int i;
1120:
1121: /* Skip last character if terminal is stupid. */
1122: if (tty->term->flags & TERM_EARLYWRAP &&
1123: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
1124: return;
1125:
1126: /* If this is a padding character, do nothing. */
1127: if (gc->flags & GRID_FLAG_PADDING)
1128: return;
1129:
1130: /* Set the attributes. */
1131: tty_attributes(tty, gc);
1132:
1133: /* If not UTF-8, write directly. */
1134: if (!(gc->flags & GRID_FLAG_UTF8)) {
1135: if (gc->data < 0x20 || gc->data == 0x7f)
1136: return;
1137: tty_putc(tty, gc->data);
1138: return;
1139: }
1140:
1141: /* If the terminal doesn't support UTF-8, write underscores. */
1142: if (!(tty->flags & TTY_UTF8)) {
1143: for (i = 0; i < gu->width; i++)
1144: tty_putc(tty, '_');
1145: return;
1146: }
1147:
1148: /* Otherwise, write UTF-8. */
1.5 nicm 1149: tty_pututf8(tty, gu);
1.1 nicm 1150: }
1151:
1152: void
1153: tty_reset(struct tty *tty)
1154: {
1155: struct grid_cell *gc = &tty->cell;
1156:
1157: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
1158: return;
1159:
1.90 nicm 1160: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1161: tty_putcode(tty, TTYC_RMACS);
1162: tty_putcode(tty, TTYC_SGR0);
1163: memcpy(gc, &grid_default_cell, sizeof *gc);
1164: }
1165:
1.40 nicm 1166: /* Set region inside pane. */
1.1 nicm 1167: void
1.39 nicm 1168: tty_region_pane(
1169: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 1170: {
1.113 nicm 1171: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1172: }
1173:
1.40 nicm 1174: /* Set region at absolute position. */
1.39 nicm 1175: void
1.40 nicm 1176: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1177: {
1178: if (tty->rlower == rlower && tty->rupper == rupper)
1179: return;
1.1 nicm 1180: if (!tty_term_has(tty->term, TTYC_CSR))
1181: return;
1.39 nicm 1182:
1183: tty->rupper = rupper;
1184: tty->rlower = rlower;
1.55 nicm 1185:
1186: /*
1187: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1188: * 0,0 if it is beyond the last column (they do not reset their wrap
1189: * flag so further output causes a line feed). As a workaround, do an
1190: * explicit move to 0 first.
1191: */
1192: if (tty->cx >= tty->sx)
1193: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1194:
1.39 nicm 1195: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1196: tty_cursor(tty, 0, 0);
1.1 nicm 1197: }
1198:
1.42 nicm 1199: /* Move cursor inside pane. */
1.1 nicm 1200: void
1.41 nicm 1201: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1202: {
1.113 nicm 1203: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1204: }
1205:
1.42 nicm 1206: /* Move cursor to absolute position. */
1.41 nicm 1207: void
1208: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1209: {
1.42 nicm 1210: struct tty_term *term = tty->term;
1211: u_int thisx, thisy;
1212: int change;
1.77 nicm 1213:
1.42 nicm 1214: if (cx > tty->sx - 1)
1215: cx = tty->sx - 1;
1216:
1217: thisx = tty->cx;
1218: thisy = tty->cy;
1219:
1220: /* No change. */
1221: if (cx == thisx && cy == thisy)
1222: return;
1223:
1.43 nicm 1224: /* Very end of the line, just use absolute movement. */
1225: if (thisx > tty->sx - 1)
1226: goto absolute;
1227:
1.42 nicm 1228: /* Move to home position (0, 0). */
1229: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1230: tty_putcode(tty, TTYC_HOME);
1231: goto out;
1232: }
1233:
1234: /* Zero on the next line. */
1.48 nicm 1235: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1236: tty_putc(tty, '\r');
1.42 nicm 1237: tty_putc(tty, '\n');
1238: goto out;
1239: }
1240:
1.45 nicm 1241: /* Moving column or row. */
1.42 nicm 1242: if (cy == thisy) {
1.45 nicm 1243: /*
1244: * Moving column only, row staying the same.
1245: */
1246:
1.42 nicm 1247: /* To left edge. */
1248: if (cx == 0) {
1249: tty_putc(tty, '\r');
1250: goto out;
1251: }
1252:
1253: /* One to the left. */
1254: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1255: tty_putcode(tty, TTYC_CUB1);
1256: goto out;
1257: }
1258:
1259: /* One to the right. */
1260: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1261: tty_putcode(tty, TTYC_CUF1);
1262: goto out;
1263: }
1264:
1265: /* Calculate difference. */
1266: change = thisx - cx; /* +ve left, -ve right */
1267:
1268: /*
1269: * Use HPA if change is larger than absolute, otherwise move
1270: * the cursor with CUB/CUF.
1271: */
1.87 nicm 1272: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1273: tty_putcode1(tty, TTYC_HPA, cx);
1274: goto out;
1275: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1276: tty_putcode1(tty, TTYC_CUB, change);
1277: goto out;
1278: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1279: tty_putcode1(tty, TTYC_CUF, -change);
1280: goto out;
1281: }
1.45 nicm 1282: } else if (cx == thisx) {
1283: /*
1284: * Moving row only, column staying the same.
1285: */
1.42 nicm 1286:
1287: /* One above. */
1.77 nicm 1288: if (thisy != tty->rupper &&
1.42 nicm 1289: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1290: tty_putcode(tty, TTYC_CUU1);
1291: goto out;
1292: }
1293:
1294: /* One below. */
1.49 nicm 1295: if (thisy != tty->rlower &&
1.42 nicm 1296: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1297: tty_putcode(tty, TTYC_CUD1);
1298: goto out;
1299: }
1300:
1301: /* Calculate difference. */
1302: change = thisy - cy; /* +ve up, -ve down */
1303:
1304: /*
1.77 nicm 1305: * Try to use VPA if change is larger than absolute or if this
1306: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1307: */
1.87 nicm 1308: if ((u_int) abs(change) > cy ||
1.42 nicm 1309: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1310: (change > 0 && cy - change < tty->rupper)) {
1311: if (tty_term_has(term, TTYC_VPA)) {
1312: tty_putcode1(tty, TTYC_VPA, cy);
1313: goto out;
1314: }
1.42 nicm 1315: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1316: tty_putcode1(tty, TTYC_CUU, change);
1317: goto out;
1318: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1319: tty_putcode1(tty, TTYC_CUD, -change);
1320: goto out;
1321: }
1322: }
1323:
1.43 nicm 1324: absolute:
1.42 nicm 1325: /* Absolute movement. */
1326: tty_putcode2(tty, TTYC_CUP, cy, cx);
1327:
1328: out:
1329: tty->cx = cx;
1330: tty->cy = cy;
1.1 nicm 1331: }
1332:
1333: void
1334: tty_attributes(struct tty *tty, const struct grid_cell *gc)
1335: {
1.63 nicm 1336: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1337: u_char changed;
1.61 nicm 1338:
1.85 nicm 1339: memcpy(&gc2, gc, sizeof gc2);
1.63 nicm 1340:
1.18 nicm 1341: /*
1342: * If no setab, try to use the reverse attribute as a best-effort for a
1343: * non-default background. This is a bit of a hack but it doesn't do
1344: * any serious harm and makes a couple of applications happier.
1345: */
1346: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1347: if (gc2.attr & GRID_ATTR_REVERSE) {
1348: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1349: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1350: } else {
1.85 nicm 1351: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1352: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1353: }
1354: }
1.1 nicm 1355:
1.85 nicm 1356: /* Fix up the colours if necessary. */
1357: tty_check_fg(tty, &gc2);
1358: tty_check_bg(tty, &gc2);
1359:
1.64 nicm 1360: /* If any bits are being cleared, reset everything. */
1.85 nicm 1361: if (tc->attr & ~gc2.attr)
1.64 nicm 1362: tty_reset(tty);
1363:
1364: /*
1365: * Set the colours. This may call tty_reset() (so it comes next) and
1366: * may add to (NOT remove) the desired attributes by changing new_attr.
1367: */
1.85 nicm 1368: tty_colours(tty, &gc2);
1.64 nicm 1369:
1.1 nicm 1370: /* Filter out attribute bits already set. */
1.85 nicm 1371: changed = gc2.attr & ~tc->attr;
1372: tc->attr = gc2.attr;
1.1 nicm 1373:
1374: /* Set the attributes. */
1375: if (changed & GRID_ATTR_BRIGHT)
1376: tty_putcode(tty, TTYC_BOLD);
1377: if (changed & GRID_ATTR_DIM)
1378: tty_putcode(tty, TTYC_DIM);
1379: if (changed & GRID_ATTR_ITALICS)
1.104 nicm 1380: {
1381: if (tty_term_has(tty->term, TTYC_SITM))
1382: tty_putcode(tty, TTYC_SITM);
1383: else
1384: tty_putcode(tty, TTYC_SMSO);
1385: }
1.1 nicm 1386: if (changed & GRID_ATTR_UNDERSCORE)
1387: tty_putcode(tty, TTYC_SMUL);
1388: if (changed & GRID_ATTR_BLINK)
1389: tty_putcode(tty, TTYC_BLINK);
1390: if (changed & GRID_ATTR_REVERSE) {
1391: if (tty_term_has(tty->term, TTYC_REV))
1392: tty_putcode(tty, TTYC_REV);
1393: else if (tty_term_has(tty->term, TTYC_SMSO))
1394: tty_putcode(tty, TTYC_SMSO);
1395: }
1396: if (changed & GRID_ATTR_HIDDEN)
1397: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1398: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1399: tty_putcode(tty, TTYC_SMACS);
1400: }
1401:
1.61 nicm 1402: void
1.85 nicm 1403: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1404: {
1.61 nicm 1405: struct grid_cell *tc = &tty->cell;
1.62 nicm 1406: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1407: int have_ax, fg_default, bg_default;
1.61 nicm 1408:
1409: /* No changes? Nothing is necessary. */
1.62 nicm 1410: if (fg == tc->fg && bg == tc->bg &&
1411: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1412: return;
1.1 nicm 1413:
1.61 nicm 1414: /*
1415: * Is either the default colour? This is handled specially because the
1416: * best solution might be to reset both colours to default, in which
1417: * case if only one is default need to fall onward to set the other
1418: * colour.
1419: */
1.62 nicm 1420: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1421: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1422: if (fg_default || bg_default) {
1423: /*
1424: * If don't have AX but do have op, send sgr0 (op can't
1425: * actually be used because it is sometimes the same as sgr0
1426: * and sometimes isn't). This resets both colours to default.
1427: *
1428: * Otherwise, try to set the default colour only as needed.
1429: */
1430: have_ax = tty_term_has(tty->term, TTYC_AX);
1431: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1432: tty_reset(tty);
1433: else {
1434: if (fg_default &&
1.81 nicm 1435: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1436: if (have_ax)
1437: tty_puts(tty, "\033[39m");
1.81 nicm 1438: else if (tc->fg != 7 ||
1439: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1440: tty_putcode1(tty, TTYC_SETAF, 7);
1441: tc->fg = 8;
1442: tc->flags &= ~GRID_FLAG_FG256;
1443: }
1444: if (bg_default &&
1.81 nicm 1445: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1446: if (have_ax)
1.61 nicm 1447: tty_puts(tty, "\033[49m");
1.81 nicm 1448: else if (tc->bg != 0 ||
1449: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1450: tty_putcode1(tty, TTYC_SETAB, 0);
1451: tc->bg = 8;
1452: tc->flags &= ~GRID_FLAG_BG256;
1453: }
1454: }
1455: }
1.1 nicm 1456:
1.61 nicm 1457: /* Set the foreground colour. */
1458: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1459: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 nicm 1460: tty_colours_fg(tty, gc);
1.1 nicm 1461:
1.61 nicm 1462: /*
1463: * Set the background colour. This must come after the foreground as
1464: * tty_colour_fg() can call tty_reset().
1465: */
1466: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1467: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1468: tty_colours_bg(tty, gc);
1.1 nicm 1469: }
1470:
1471: void
1.85 nicm 1472: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1473: {
1474: u_int colours;
1475:
1476: /* Is this a 256-colour colour? */
1477: if (gc->flags & GRID_FLAG_FG256) {
1478: /* And not a 256 colour mode? */
1479: if (!(tty->term->flags & TERM_88COLOURS) &&
1480: !(tty->term_flags & TERM_88COLOURS) &&
1481: !(tty->term->flags & TERM_256COLOURS) &&
1482: !(tty->term_flags & TERM_256COLOURS)) {
1483: gc->fg = colour_256to16(gc->fg);
1484: if (gc->fg & 8) {
1485: gc->fg &= 7;
1486: gc->attr |= GRID_ATTR_BRIGHT;
1487: } else
1488: gc->attr &= ~GRID_ATTR_BRIGHT;
1489: gc->flags &= ~GRID_FLAG_FG256;
1490: }
1491: return;
1492: }
1493:
1494: /* Is this an aixterm colour? */
1495: colours = tty_term_number(tty->term, TTYC_COLORS);
1496: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1497: gc->fg -= 90;
1498: gc->attr |= GRID_ATTR_BRIGHT;
1499: }
1500: }
1501:
1502: void
1503: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1504: {
1505: u_int colours;
1506:
1507: /* Is this a 256-colour colour? */
1508: if (gc->flags & GRID_FLAG_BG256) {
1509: /*
1510: * And not a 256 colour mode? Translate to 16-colour
1511: * palette. Bold background doesn't exist portably, so just
1512: * discard the bold bit if set.
1513: */
1514: if (!(tty->term->flags & TERM_88COLOURS) &&
1515: !(tty->term_flags & TERM_88COLOURS) &&
1516: !(tty->term->flags & TERM_256COLOURS) &&
1517: !(tty->term_flags & TERM_256COLOURS)) {
1518: gc->bg = colour_256to16(gc->bg);
1519: if (gc->bg & 8)
1520: gc->bg &= 7;
1521: gc->attr &= ~GRID_ATTR_BRIGHT;
1522: gc->flags &= ~GRID_FLAG_BG256;
1523: }
1524: return;
1525: }
1526:
1527: /* Is this an aixterm colour? */
1528: colours = tty_term_number(tty->term, TTYC_COLORS);
1.112 nicm 1529: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16) {
1.85 nicm 1530: gc->bg -= 90;
1531: gc->attr |= GRID_ATTR_BRIGHT;
1532: }
1533: }
1534:
1535: void
1536: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1537: {
1.61 nicm 1538: struct grid_cell *tc = &tty->cell;
1539: u_char fg = gc->fg;
1.79 nicm 1540: char s[32];
1.1 nicm 1541:
1.61 nicm 1542: /* Is this a 256-colour colour? */
1.1 nicm 1543: if (gc->flags & GRID_FLAG_FG256) {
1.61 nicm 1544: /* Try as 256 colours or translating to 88. */
1.1 nicm 1545: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1546: goto save_fg;
1.1 nicm 1547: if (tty_try_88(tty, fg, "38") == 0)
1.61 nicm 1548: goto save_fg;
1.85 nicm 1549: /* Else already handled by tty_check_fg. */
1550: return;
1.1 nicm 1551: }
1552:
1.79 nicm 1553: /* Is this an aixterm bright colour? */
1554: if (fg >= 90 && fg <= 97) {
1.85 nicm 1555: xsnprintf(s, sizeof s, "\033[%dm", fg);
1556: tty_puts(tty, s);
1557: goto save_fg;
1.79 nicm 1558: }
1559:
1.61 nicm 1560: /* Otherwise set the foreground colour. */
1561: tty_putcode1(tty, TTYC_SETAF, fg);
1562:
1.77 nicm 1563: save_fg:
1.61 nicm 1564: /* Save the new values in the terminal current cell. */
1565: tc->fg = fg;
1566: tc->flags &= ~GRID_FLAG_FG256;
1567: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1568: }
1569:
1570: void
1.73 nicm 1571: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1572: {
1.61 nicm 1573: struct grid_cell *tc = &tty->cell;
1574: u_char bg = gc->bg;
1.79 nicm 1575: char s[32];
1.1 nicm 1576:
1.61 nicm 1577: /* Is this a 256-colour colour? */
1.1 nicm 1578: if (gc->flags & GRID_FLAG_BG256) {
1.61 nicm 1579: /* Try as 256 colours or translating to 88. */
1.1 nicm 1580: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1581: goto save_bg;
1.1 nicm 1582: if (tty_try_88(tty, bg, "48") == 0)
1.61 nicm 1583: goto save_bg;
1.85 nicm 1584: /* Else already handled by tty_check_bg. */
1585: return;
1.79 nicm 1586: }
1587:
1588: /* Is this an aixterm bright colour? */
1.112 nicm 1589: if (bg >= 90 && bg <= 97) {
1.79 nicm 1590: /* 16 colour terminals or above only. */
1591: if (tty_term_number(tty->term, TTYC_COLORS) >= 16) {
1.112 nicm 1592: xsnprintf(s, sizeof s, "\033[%dm", bg + 10);
1.79 nicm 1593: tty_puts(tty, s);
1594: goto save_bg;
1595: }
1.112 nicm 1596: bg -= 90;
1.79 nicm 1597: /* no such thing as a bold background */
1.1 nicm 1598: }
1599:
1.61 nicm 1600: /* Otherwise set the background colour. */
1601: tty_putcode1(tty, TTYC_SETAB, bg);
1602:
1603: save_bg:
1604: /* Save the new values in the terminal current cell. */
1605: tc->bg = bg;
1606: tc->flags &= ~GRID_FLAG_BG256;
1607: tc->flags |= gc->flags & GRID_FLAG_BG256;
1608: }
1609:
1610: int
1611: tty_try_256(struct tty *tty, u_char colour, const char *type)
1612: {
1613: char s[32];
1614:
1615: if (!(tty->term->flags & TERM_256COLOURS) &&
1616: !(tty->term_flags & TERM_256COLOURS))
1617: return (-1);
1618:
1619: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1620: tty_puts(tty, s);
1621: return (0);
1622: }
1623:
1624: int
1625: tty_try_88(struct tty *tty, u_char colour, const char *type)
1626: {
1627: char s[32];
1628:
1629: if (!(tty->term->flags & TERM_88COLOURS) &&
1630: !(tty->term_flags & TERM_88COLOURS))
1631: return (-1);
1632: colour = colour_256to88(colour);
1633:
1634: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1635: tty_puts(tty, s);
1636: return (0);
1.110 nicm 1637: }
1638:
1639: void
1640: tty_bell(struct tty *tty)
1641: {
1642: tty_putcode(tty, TTYC_BEL);
1.1 nicm 1643: }
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