Annotation of src/usr.bin/tmux/tty.c, Revision 1.245
1.245 ! nicm 1: /* $OpenBSD: tty.c,v 1.244 2017/02/10 12:59:18 nicm Exp $ */
1.1 nicm 2:
3: /*
1.198 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/ioctl.h>
21:
1.106 nicm 22: #include <netinet/in.h>
23:
1.212 nicm 24: #include <curses.h>
1.1 nicm 25: #include <errno.h>
26: #include <fcntl.h>
1.106 nicm 27: #include <resolv.h>
1.42 nicm 28: #include <stdlib.h>
1.1 nicm 29: #include <string.h>
30: #include <termios.h>
31: #include <unistd.h>
32:
33: #include "tmux.h"
34:
1.207 nicm 35: static int tty_log_fd = -1;
1.192 nicm 36:
1.207 nicm 37: static int tty_client_ready(struct client *, struct window_pane *);
1.201 nicm 38:
1.207 nicm 39: static void tty_set_italics(struct tty *);
40: static int tty_try_colour(struct tty *, int, const char *);
1.208 nicm 41: static void tty_force_cursor_colour(struct tty *, const char *);
42: static void tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int,
43: u_int);
1.242 nicm 44: static void tty_invalidate(struct tty *);
1.207 nicm 45: static void tty_colours(struct tty *, const struct grid_cell *);
1.219 nicm 46: static void tty_check_fg(struct tty *, const struct window_pane *,
47: struct grid_cell *);
48: static void tty_check_bg(struct tty *, const struct window_pane *,
49: struct grid_cell *);
1.207 nicm 50: static void tty_colours_fg(struct tty *, const struct grid_cell *);
51: static void tty_colours_bg(struct tty *, const struct grid_cell *);
52:
1.208 nicm 53: static void tty_region_pane(struct tty *, const struct tty_ctx *, u_int,
54: u_int);
1.214 nicm 55: static void tty_region(struct tty *, u_int, u_int);
1.212 nicm 56: static void tty_margin_pane(struct tty *, const struct tty_ctx *);
1.214 nicm 57: static void tty_margin(struct tty *, u_int, u_int);
1.207 nicm 58: static int tty_large_region(struct tty *, const struct tty_ctx *);
1.210 nicm 59: static int tty_fake_bce(const struct tty *, const struct window_pane *,
60: u_int);
1.207 nicm 61: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
62: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
63: enum tty_code_code, u_int);
64: static void tty_repeat_space(struct tty *, u_int);
65: static void tty_cell(struct tty *, const struct grid_cell *,
66: const struct window_pane *);
67: static void tty_default_colours(struct grid_cell *,
68: const struct window_pane *);
1.210 nicm 69: static void tty_default_attributes(struct tty *, const struct window_pane *,
70: u_int);
1.1 nicm 71:
1.90 nicm 72: #define tty_use_acs(tty) \
1.131 nicm 73: (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.212 nicm 74: #define tty_use_margin(tty) \
1.214 nicm 75: ((tty)->term_type == TTY_VT420)
1.90 nicm 76:
1.229 nicm 77: #define tty_pane_full_width(tty, ctx) \
1.132 nicm 78: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
79:
1.192 nicm 80: void
81: tty_create_log(void)
82: {
83: char name[64];
84:
85: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
86:
87: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
88: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
89: fatal("fcntl failed");
90: }
91:
1.185 nicm 92: int
1.136 nicm 93: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 94: {
1.30 nicm 95: char *path;
96:
1.185 nicm 97: if (!isatty(fd))
98: return (-1);
99:
1.30 nicm 100: memset(tty, 0, sizeof *tty);
1.22 nicm 101:
1.9 nicm 102: if (term == NULL || *term == '\0')
1.220 nicm 103: tty->term_name = xstrdup("unknown");
1.1 nicm 104: else
1.220 nicm 105: tty->term_name = xstrdup(term);
1.30 nicm 106: tty->fd = fd;
1.136 nicm 107: tty->client = c;
1.30 nicm 108:
109: if ((path = ttyname(fd)) == NULL)
1.185 nicm 110: return (-1);
1.30 nicm 111: tty->path = xstrdup(path);
1.108 nicm 112: tty->cstyle = 0;
1.107 nicm 113: tty->ccolour = xstrdup("");
1.30 nicm 114:
1.1 nicm 115: tty->flags = 0;
1.212 nicm 116:
1.1 nicm 117: tty->term_flags = 0;
1.212 nicm 118: tty->term_type = TTY_UNKNOWN;
1.185 nicm 119:
120: return (0);
1.31 nicm 121: }
122:
1.88 nicm 123: int
1.31 nicm 124: tty_resize(struct tty *tty)
125: {
126: struct winsize ws;
1.88 nicm 127: u_int sx, sy;
1.31 nicm 128:
129: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 130: sx = ws.ws_col;
131: if (sx == 0)
132: sx = 80;
133: sy = ws.ws_row;
134: if (sy == 0)
135: sy = 24;
136: } else {
137: sx = 80;
138: sy = 24;
1.31 nicm 139: }
1.235 nicm 140: log_debug("%s: %s now %ux%u", __func__, tty->path, sx, sy);
1.114 nicm 141: if (!tty_set_size(tty, sx, sy))
1.88 nicm 142: return (0);
1.242 nicm 143: tty_invalidate(tty);
1.114 nicm 144: return (1);
145: }
146:
147: int
1.212 nicm 148: tty_set_size(struct tty *tty, u_int sx, u_int sy)
149: {
1.114 nicm 150: if (sx == tty->sx && sy == tty->sy)
151: return (0);
152: tty->sx = sx;
153: tty->sy = sy;
1.88 nicm 154: return (1);
1.1 nicm 155: }
156:
1.244 nicm 157: static void
158: tty_read_callback(__unused int fd, __unused short events, void *data)
159: {
160: struct tty *tty = data;
161: size_t size = EVBUFFER_LENGTH(tty->in);
162: int nread;
163:
164: nread = evbuffer_read(tty->in, tty->fd, -1);
165: if (nread == -1)
166: return;
167: log_debug("%s: read %d bytes (already %zu)", tty->path, nread, size);
168:
169: while (tty_keys_next(tty))
170: ;
171: }
172:
173: static void
1.245 ! nicm 174: tty_timer_callback(__unused int fd, __unused short events, void *data)
! 175: {
! 176: struct tty *tty = data;
! 177: struct client *c = tty->client;
! 178: const struct timeval tv = { .tv_usec = 250000 };
! 179:
! 180: server_client_add_message(c, "%s: %zu discarded", tty->path,
! 181: tty->discarded);
! 182:
! 183: c->flags |= CLIENT_REDRAW;
! 184:
! 185: if (tty->discarded < 256) {
! 186: tty->flags &= ~TTY_BLOCK;
! 187: tty_invalidate(tty);
! 188: return;
! 189: }
! 190: tty->discarded = 0;
! 191: evtimer_add(&tty->timer, &tv);
! 192: }
! 193:
! 194: static void
1.244 nicm 195: tty_write_callback(__unused int fd, __unused short events, void *data)
196: {
1.245 ! nicm 197: struct tty *tty = data;
! 198: struct client *c = tty->client;
! 199: size_t size = EVBUFFER_LENGTH(tty->out), left;
! 200: int nwrite;
! 201: const struct timeval tv = { .tv_usec = 250000 };
1.244 nicm 202:
203: nwrite = evbuffer_write(tty->out, tty->fd);
204: if (nwrite == -1)
205: return;
206: log_debug("%s: wrote %d bytes (of %zu)", tty->path, nwrite, size);
207:
1.245 ! nicm 208: /*
! 209: * If we aren't managing to write everything (so we are creating more
! 210: * data than the terminal can accept), then the terminal can't keep up.
! 211: */
! 212: left = EVBUFFER_LENGTH(tty->out);
! 213: if (left > 32768 && nwrite < (int)size && (~tty->flags & TTY_BLOCK)) {
! 214: server_client_add_message(c, "%s: can't keep up, %zu discarded",
! 215: tty->path, left);
! 216:
! 217: evbuffer_drain(tty->out, left);
! 218: event_del(&tty->event_out);
! 219:
! 220: tty->discarded = 0;
! 221: evtimer_add(&tty->timer, &tv);
! 222:
! 223: tty->flags |= TTY_BLOCK;
! 224: return;
! 225: }
! 226: if (left == 0)
1.244 nicm 227: event_del(&tty->event_out);
228: }
229:
1.1 nicm 230: int
1.166 nicm 231: tty_open(struct tty *tty, char **cause)
1.1 nicm 232: {
1.220 nicm 233: tty->term = tty_term_find(tty->term_name, tty->fd, cause);
1.21 nicm 234: if (tty->term == NULL) {
235: tty_close(tty);
236: return (-1);
237: }
238: tty->flags |= TTY_OPENED;
1.1 nicm 239:
1.245 ! nicm 240: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 241:
242: event_set(&tty->event_in, tty->fd, EV_PERSIST|EV_READ,
243: tty_read_callback, tty);
244: tty->in = evbuffer_new();
1.1 nicm 245:
1.244 nicm 246: event_set(&tty->event_out, tty->fd, EV_WRITE, tty_write_callback, tty);
247: tty->out = evbuffer_new();
1.1 nicm 248:
1.245 ! nicm 249: evtimer_set(&tty->timer, tty_timer_callback, tty);
! 250:
1.1 nicm 251: tty_start_tty(tty);
252:
1.148 nicm 253: tty_keys_build(tty);
1.1 nicm 254:
255: return (0);
256: }
257:
1.244 nicm 258: void
259: tty_start_tty(struct tty *tty)
1.1 nicm 260: {
1.128 nicm 261: struct termios tio;
1.33 nicm 262:
1.244 nicm 263: if (tty->fd != -1 && tcgetattr(tty->fd, &tty->tio) == 0) {
264: setblocking(tty->fd, 0);
265: event_add(&tty->event_in, NULL);
266:
267: memcpy(&tio, &tty->tio, sizeof tio);
268: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
269: tio.c_iflag |= IGNBRK;
270: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
271: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
272: ECHOPRT|ECHOKE|ISIG);
273: tio.c_cc[VMIN] = 1;
274: tio.c_cc[VTIME] = 0;
275: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
276: tcflush(tty->fd, TCIOFLUSH);
277: }
1.1 nicm 278:
1.10 nicm 279: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 280:
1.76 nicm 281: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 282: if (tty_use_acs(tty))
283: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 284: tty_putcode(tty, TTYC_CLEAR);
285:
286: tty_putcode(tty, TTYC_CNORM);
287: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 288: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.121 nicm 289:
1.189 nicm 290: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 291: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 292: tty->flags |= TTY_FOCUS;
293: tty_puts(tty, "\033[?1004h");
294: }
1.212 nicm 295: tty_puts(tty, "\033[c");
1.162 nicm 296: }
1.1 nicm 297:
1.20 nicm 298: tty->flags |= TTY_STARTED;
1.242 nicm 299: tty_invalidate(tty);
1.107 nicm 300:
301: tty_force_cursor_colour(tty, "");
1.177 nicm 302:
303: tty->mouse_drag_flag = 0;
304: tty->mouse_drag_update = NULL;
305: tty->mouse_drag_release = NULL;
1.128 nicm 306: }
307:
308: void
1.1 nicm 309: tty_stop_tty(struct tty *tty)
310: {
311: struct winsize ws;
312:
1.20 nicm 313: if (!(tty->flags & TTY_STARTED))
314: return;
315: tty->flags &= ~TTY_STARTED;
316:
1.245 ! nicm 317: event_del(&tty->timer);
! 318: tty->flags &= ~TTY_BLOCK;
! 319:
1.244 nicm 320: event_del(&tty->event_in);
321: event_del(&tty->event_out);
1.66 nicm 322:
1.1 nicm 323: /*
324: * Be flexible about error handling and try not kill the server just
325: * because the fd is invalid. Things like ssh -t can easily leave us
326: * with a dead tty.
327: */
328: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
329: return;
330: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
331: return;
332:
333: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 334: if (tty_use_acs(tty))
335: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 336: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
337: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
338: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 339: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
340: if (tty_term_has(tty->term, TTYC_SE))
341: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 342: else
1.160 nicm 343: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 344: }
1.173 nicm 345: if (tty->mode & MODE_BRACKETPASTE)
346: tty_raw(tty, "\033[?2004l");
1.107 nicm 347: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 348:
349: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
350: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 351: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.151 nicm 352:
1.189 nicm 353: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 354: if (tty->flags & TTY_FOCUS) {
355: tty->flags &= ~TTY_FOCUS;
1.172 nicm 356: tty_raw(tty, "\033[?1004l");
1.162 nicm 357: }
358: }
1.10 nicm 359:
1.212 nicm 360: if (tty_use_margin(tty))
361: tty_raw(tty, "\033[?69l"); /* DECLRMM */
1.10 nicm 362: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 363:
364: setblocking(tty->fd, 1);
1.1 nicm 365: }
366:
367: void
1.20 nicm 368: tty_close(struct tty *tty)
1.1 nicm 369: {
1.123 nicm 370: if (event_initialized(&tty->key_timer))
371: evtimer_del(&tty->key_timer);
1.20 nicm 372: tty_stop_tty(tty);
1.1 nicm 373:
1.21 nicm 374: if (tty->flags & TTY_OPENED) {
1.244 nicm 375: evbuffer_free(tty->in);
376: event_del(&tty->event_in);
377: evbuffer_free(tty->out);
378: event_del(&tty->event_out);
1.66 nicm 379:
1.21 nicm 380: tty_term_free(tty->term);
381: tty_keys_free(tty);
382:
383: tty->flags &= ~TTY_OPENED;
384: }
1.1 nicm 385:
1.21 nicm 386: if (tty->fd != -1) {
387: close(tty->fd);
388: tty->fd = -1;
389: }
1.1 nicm 390: }
391:
392: void
1.20 nicm 393: tty_free(struct tty *tty)
1.1 nicm 394: {
1.20 nicm 395: tty_close(tty);
1.1 nicm 396:
1.138 nicm 397: free(tty->ccolour);
1.190 nicm 398: free(tty->path);
1.220 nicm 399: free(tty->term_name);
1.1 nicm 400: }
401:
402: void
1.212 nicm 403: tty_set_type(struct tty *tty, int type)
404: {
405: tty->term_type = type;
406:
407: if (tty_use_margin(tty))
408: tty_puts(tty, "\033[?69h"); /* DECLRMM */
409: }
410:
411: void
1.1 nicm 412: tty_raw(struct tty *tty, const char *s)
413: {
1.150 nicm 414: ssize_t n, slen;
415: u_int i;
416:
417: slen = strlen(s);
418: for (i = 0; i < 5; i++) {
419: n = write(tty->fd, s, slen);
420: if (n >= 0) {
421: s += n;
422: slen -= n;
423: if (slen == 0)
424: break;
425: } else if (n == -1 && errno != EAGAIN)
426: break;
427: usleep(100);
428: }
1.1 nicm 429: }
430:
431: void
432: tty_putcode(struct tty *tty, enum tty_code_code code)
433: {
434: tty_puts(tty, tty_term_string(tty->term, code));
435: }
436:
437: void
438: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
439: {
440: if (a < 0)
441: return;
442: tty_puts(tty, tty_term_string1(tty->term, code, a));
443: }
444:
445: void
446: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
447: {
448: if (a < 0 || b < 0)
449: return;
450: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
451: }
452:
453: void
1.107 nicm 454: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
455: {
456: if (a != NULL)
457: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
458: }
459:
460: void
1.167 nicm 461: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
462: const void *b)
1.106 nicm 463: {
464: if (a != NULL && b != NULL)
465: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
466: }
467:
1.243 nicm 468: static void
469: tty_add(struct tty *tty, const char *buf, size_t len)
470: {
1.245 ! nicm 471: if ((tty->flags & TTY_BLOCK) && (~tty->flags & TTY_FORCE)) {
! 472: tty->discarded += len;
! 473: return;
! 474: }
! 475:
1.244 nicm 476: evbuffer_add(tty->out, buf, len);
477: log_debug("%s: %.*s", tty->path, (int)len, (const char *)buf);
1.243 nicm 478:
479: if (tty_log_fd != -1)
480: write(tty_log_fd, buf, len);
1.244 nicm 481: if (tty->flags & TTY_STARTED)
482: event_add(&tty->event_out, NULL);
1.243 nicm 483: }
484:
1.106 nicm 485: void
1.1 nicm 486: tty_puts(struct tty *tty, const char *s)
487: {
1.243 nicm 488: if (*s != '\0')
489: tty_add(tty, s, strlen(s));
1.1 nicm 490: }
491:
492: void
493: tty_putc(struct tty *tty, u_char ch)
494: {
1.90 nicm 495: const char *acs;
1.1 nicm 496:
1.90 nicm 497: if (tty->cell.attr & GRID_ATTR_CHARSET) {
498: acs = tty_acs_get(tty, ch);
1.243 nicm 499: if (acs != NULL)
500: tty_add(tty, acs, strlen(acs));
501: else
502: tty_add(tty, &ch, 1);
503: } else
504: tty_add(tty, &ch, 1);
1.1 nicm 505:
506: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 507: if (tty->cx >= tty->sx) {
1.46 nicm 508: tty->cx = 1;
509: if (tty->cy != tty->rlower)
510: tty->cy++;
1.211 nicm 511:
512: /*
513: * On !xenl terminals, force the cursor position to
514: * where we think it should be after a line wrap - this
515: * means it works on sensible terminals as well.
516: */
517: if (tty->term->flags & TERM_EARLYWRAP)
518: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 519: } else
520: tty->cx++;
521: }
522: }
523:
524: void
1.147 nicm 525: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 526: {
1.243 nicm 527: tty_add(tty, buf, len);
1.147 nicm 528: tty->cx += width;
1.5 nicm 529: }
530:
1.207 nicm 531: static void
1.180 nicm 532: tty_set_italics(struct tty *tty)
533: {
534: const char *s;
535:
536: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 537: s = options_get_string(global_options, "default-terminal");
1.180 nicm 538: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
539: tty_putcode(tty, TTYC_SITM);
540: return;
541: }
542: }
543: tty_putcode(tty, TTYC_SMSO);
544: }
545:
546: void
1.1 nicm 547: tty_set_title(struct tty *tty, const char *title)
548: {
1.105 nicm 549: if (!tty_term_has(tty->term, TTYC_TSL) ||
550: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 551: return;
552:
1.105 nicm 553: tty_putcode(tty, TTYC_TSL);
1.1 nicm 554: tty_puts(tty, title);
1.105 nicm 555: tty_putcode(tty, TTYC_FSL);
1.1 nicm 556: }
557:
1.208 nicm 558: static void
1.107 nicm 559: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
560: {
561: if (*ccolour == '\0')
562: tty_putcode(tty, TTYC_CR);
563: else
1.160 nicm 564: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 565: free(tty->ccolour);
1.107 nicm 566: tty->ccolour = xstrdup(ccolour);
567: }
568:
569: void
570: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 571: {
572: int changed;
573:
1.197 nicm 574: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 575: tty_force_cursor_colour(tty, s->ccolour);
576:
1.1 nicm 577: if (tty->flags & TTY_NOCURSOR)
578: mode &= ~MODE_CURSOR;
579:
580: changed = mode ^ tty->mode;
1.183 nicm 581: if (changed & MODE_BLINKING) {
582: if (tty_term_has(tty->term, TTYC_CVVIS))
583: tty_putcode(tty, TTYC_CVVIS);
584: else
585: tty_putcode(tty, TTYC_CNORM);
586: changed |= MODE_CURSOR;
587: }
588: if (changed & MODE_CURSOR) {
589: if (mode & MODE_CURSOR)
590: tty_putcode(tty, TTYC_CNORM);
591: else
1.1 nicm 592: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 593: }
1.181 nicm 594: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 595: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 596: if (s->cstyle == 0 &&
1.160 nicm 597: tty_term_has(tty->term, TTYC_SE))
598: tty_putcode(tty, TTYC_SE);
1.108 nicm 599: else
1.160 nicm 600: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 601: }
602: tty->cstyle = s->cstyle;
1.1 nicm 603: }
1.195 nicm 604: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 605: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 606: /*
607: * Enable the SGR (1006) extension unconditionally, as
1.221 nicm 608: * it is safe from misinterpretation.
1.153 nicm 609: */
610: tty_puts(tty, "\033[?1006h");
1.225 nicm 611: if (mode & MODE_MOUSE_ALL)
612: tty_puts(tty, "\033[?1003h");
613: else if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 614: tty_puts(tty, "\033[?1002h");
1.98 nicm 615: else if (mode & MODE_MOUSE_STANDARD)
616: tty_puts(tty, "\033[?1000h");
1.86 nicm 617: } else {
1.225 nicm 618: if (tty->mode & MODE_MOUSE_ALL)
619: tty_puts(tty, "\033[?1003l");
620: else if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 621: tty_puts(tty, "\033[?1002l");
1.98 nicm 622: else if (tty->mode & MODE_MOUSE_STANDARD)
623: tty_puts(tty, "\033[?1000l");
1.153 nicm 624: tty_puts(tty, "\033[?1006l");
1.86 nicm 625: }
1.76 nicm 626: }
627: if (changed & MODE_KKEYPAD) {
628: if (mode & MODE_KKEYPAD)
629: tty_putcode(tty, TTYC_SMKX);
630: else
631: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 632: }
633: if (changed & MODE_BRACKETPASTE) {
634: if (mode & MODE_BRACKETPASTE)
635: tty_puts(tty, "\033[?2004h");
636: else
637: tty_puts(tty, "\033[?2004l");
1.1 nicm 638: }
639: tty->mode = mode;
640: }
641:
1.207 nicm 642: static void
1.168 nicm 643: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
644: enum tty_code_code code1, u_int n)
1.1 nicm 645: {
646: if (tty_term_has(tty->term, code))
647: tty_putcode1(tty, code, n);
648: else {
649: while (n-- > 0)
650: tty_putcode(tty, code1);
651: }
652: }
653:
1.207 nicm 654: static void
1.133 nicm 655: tty_repeat_space(struct tty *tty, u_int n)
656: {
657: while (n-- > 0)
658: tty_putc(tty, ' ');
659: }
660:
1.1 nicm 661: /*
1.119 nicm 662: * Is the region large enough to be worth redrawing once later rather than
663: * probably several times now? Currently yes if it is more than 50% of the
664: * pane.
665: */
1.207 nicm 666: static int
1.194 nicm 667: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 668: {
669: struct window_pane *wp = ctx->wp;
670:
671: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
672: }
673:
674: /*
1.176 nicm 675: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
676: * emulated.
677: */
1.207 nicm 678: static int
1.210 nicm 679: tty_fake_bce(const struct tty *tty, const struct window_pane *wp, u_int bg)
1.176 nicm 680: {
681: struct grid_cell gc;
682:
1.210 nicm 683: if (tty_term_flag(tty->term, TTYC_BCE))
684: return (0);
685:
1.176 nicm 686: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 687: if (wp != NULL)
688: tty_default_colours(&gc, wp);
1.176 nicm 689:
1.210 nicm 690: if (bg != 8 || gc.bg != 8)
691: return (1);
692: return (0);
1.176 nicm 693: }
694:
695: /*
1.1 nicm 696: * Redraw scroll region using data from screen (already updated). Used when
697: * CSR not supported, or window is a pane that doesn't take up the full
698: * width of the terminal.
699: */
1.207 nicm 700: static void
1.24 nicm 701: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 702: {
1.14 nicm 703: struct window_pane *wp = ctx->wp;
704: struct screen *s = wp->screen;
1.204 nicm 705: u_int i;
1.1 nicm 706:
707: /*
1.119 nicm 708: * If region is large, schedule a window redraw. In most cases this is
709: * likely to be followed by some more scrolling.
1.1 nicm 710: */
1.119 nicm 711: if (tty_large_region(tty, ctx)) {
1.1 nicm 712: wp->flags |= PANE_REDRAW;
713: return;
714: }
715:
1.14 nicm 716: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
717: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176 nicm 718: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 719: } else {
1.14 nicm 720: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176 nicm 721: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 722: }
723: }
724:
725: void
1.176 nicm 726: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
727: u_int oy)
728: {
729: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
730: }
731:
732: void
733: tty_draw_line(struct tty *tty, const struct window_pane *wp,
734: struct screen *s, u_int py, u_int ox, u_int oy)
1.1 nicm 735: {
1.209 nicm 736: struct grid_cell gc, tmp_gc;
1.46 nicm 737: struct grid_line *gl;
1.1 nicm 738: u_int i, sx;
1.181 nicm 739: int flags;
1.1 nicm 740:
1.181 nicm 741: flags = tty->flags & TTY_NOCURSOR;
742: tty->flags |= TTY_NOCURSOR;
743: tty_update_mode(tty, tty->mode, s);
1.35 nicm 744:
1.214 nicm 745: tty_region_off(tty);
746: tty_margin_off(tty);
747:
1.1 nicm 748: sx = screen_size_x(s);
1.19 nicm 749: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
750: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 751: if (sx > tty->sx)
752: sx = tty->sx;
753:
1.46 nicm 754: /*
1.174 nicm 755: * Don't move the cursor to the start position if it will wrap there
1.50 nicm 756: * itself.
1.46 nicm 757: */
758: gl = NULL;
759: if (py != 0)
760: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 761: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 762: tty->cx < tty->sx || ox != 0 ||
763: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 764: tty_cursor(tty, ox, oy + py);
765:
1.1 nicm 766: for (i = 0; i < sx; i++) {
1.193 nicm 767: grid_view_get_cell(s->grid, i, py, &gc);
1.209 nicm 768: if (gc.flags & GRID_FLAG_SELECTED) {
769: screen_select_cell(s, &tmp_gc, &gc);
770: tty_cell(tty, &tmp_gc, wp);
771: } else
772: tty_cell(tty, &gc, wp);
1.1 nicm 773: }
774:
1.181 nicm 775: if (sx < tty->sx) {
1.210 nicm 776: tty_default_attributes(tty, wp, 8);
1.181 nicm 777:
778: tty_cursor(tty, ox + sx, oy + py);
779: if (sx != screen_size_x(s) &&
780: ox + screen_size_x(s) >= tty->sx &&
781: tty_term_has(tty->term, TTYC_EL) &&
1.210 nicm 782: !tty_fake_bce(tty, wp, 8))
1.181 nicm 783: tty_putcode(tty, TTYC_EL);
784: else
785: tty_repeat_space(tty, screen_size_x(s) - sx);
1.35 nicm 786: }
1.1 nicm 787:
1.181 nicm 788: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 789: tty_update_mode(tty, tty->mode, s);
1.15 nicm 790: }
791:
1.201 nicm 792: static int
1.182 nicm 793: tty_client_ready(struct client *c, struct window_pane *wp)
794: {
795: if (c->session == NULL || c->tty.term == NULL)
796: return (0);
1.244 nicm 797: if (c->flags & (CLIENT_REDRAW|CLIENT_SUSPENDED))
1.182 nicm 798: return (0);
799: if (c->tty.flags & TTY_FREEZE)
800: return (0);
801: if (c->session->curw->window != wp->window)
802: return (0);
803: return (1);
804: }
805:
1.15 nicm 806: void
1.182 nicm 807: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
808: struct tty_ctx *ctx)
1.15 nicm 809: {
810: struct window_pane *wp = ctx->wp;
811: struct client *c;
812:
1.75 nicm 813: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 814: if (wp == NULL)
815: return;
816:
817: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
818: return;
1.129 nicm 819: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 820: return;
821:
1.178 nicm 822: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 823: if (!tty_client_ready(c, wp))
1.15 nicm 824: continue;
825:
1.139 nicm 826: ctx->xoff = wp->xoff;
827: ctx->yoff = wp->yoff;
828: if (status_at_line(c) == 0)
829: ctx->yoff++;
1.113 nicm 830:
1.139 nicm 831: cmdfn(&c->tty, ctx);
1.1 nicm 832: }
833: }
834:
835: void
1.24 nicm 836: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 837: {
1.77 nicm 838: struct window_pane *wp = ctx->wp;
1.1 nicm 839:
1.210 nicm 840: if (!tty_pane_full_width(tty, ctx) ||
841: tty_fake_bce(tty, wp, ctx->bg) ||
842: (!tty_term_has(tty->term, TTYC_ICH) &&
843: !tty_term_has(tty->term, TTYC_ICH1))) {
1.176 nicm 844: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 845: return;
846: }
847:
1.210 nicm 848: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 849:
1.77 nicm 850: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 851:
1.206 nicm 852: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 853: }
854:
855: void
1.24 nicm 856: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 857: {
1.77 nicm 858: struct window_pane *wp = ctx->wp;
1.1 nicm 859:
1.210 nicm 860: if (!tty_pane_full_width(tty, ctx) ||
861: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 862: (!tty_term_has(tty->term, TTYC_DCH) &&
863: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 864: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 865: return;
866: }
867:
1.210 nicm 868: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 869:
1.77 nicm 870: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 871:
1.206 nicm 872: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 873: }
874:
875: void
876: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
877: {
878: u_int i;
879:
1.176 nicm 880: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.146 nicm 881:
882: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
883:
1.210 nicm 884: if (tty_term_has(tty->term, TTYC_ECH) &&
885: !tty_fake_bce(tty, ctx->wp, ctx->bg))
1.146 nicm 886: tty_putcode1(tty, TTYC_ECH, ctx->num);
887: else {
888: for (i = 0; i < ctx->num; i++)
889: tty_putc(tty, ' ');
890: }
1.1 nicm 891: }
892:
893: void
1.24 nicm 894: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 895: {
1.210 nicm 896: if (!tty_pane_full_width(tty, ctx) ||
897: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 898: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 899: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 900: tty_redraw_region(tty, ctx);
1.1 nicm 901: return;
902: }
903:
1.210 nicm 904: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 905:
1.77 nicm 906: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 907: tty_margin_off(tty);
1.77 nicm 908: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 909:
1.12 nicm 910: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 911: }
912:
913: void
1.24 nicm 914: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 915: {
1.210 nicm 916: if (!tty_pane_full_width(tty, ctx) ||
917: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 918: !tty_term_has(tty->term, TTYC_CSR) ||
919: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 920: tty_redraw_region(tty, ctx);
1.1 nicm 921: return;
922: }
923:
1.210 nicm 924: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 925:
1.77 nicm 926: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 927: tty_margin_off(tty);
1.77 nicm 928: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 929:
1.12 nicm 930: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 931: }
932:
933: void
1.24 nicm 934: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 935: {
1.77 nicm 936: struct window_pane *wp = ctx->wp;
1.12 nicm 937: struct screen *s = wp->screen;
1.229 nicm 938: u_int sx = screen_size_x(s);
1.1 nicm 939:
1.210 nicm 940: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 941:
1.77 nicm 942: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 943:
1.210 nicm 944: if (tty_pane_full_width(tty, ctx) &&
945: !tty_fake_bce(tty, wp, ctx->bg) &&
1.176 nicm 946: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 947: tty_putcode(tty, TTYC_EL);
1.133 nicm 948: else
1.229 nicm 949: tty_repeat_space(tty, sx);
1.1 nicm 950: }
951:
952: void
1.24 nicm 953: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 954: {
1.77 nicm 955: struct window_pane *wp = ctx->wp;
1.12 nicm 956: struct screen *s = wp->screen;
1.229 nicm 957: u_int sx = screen_size_x(s);
1.1 nicm 958:
1.210 nicm 959: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 960:
1.41 nicm 961: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
962:
1.176 nicm 963: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 964: tty_term_has(tty->term, TTYC_EL) &&
965: !tty_fake_bce(tty, wp, ctx->bg))
1.1 nicm 966: tty_putcode(tty, TTYC_EL);
1.133 nicm 967: else
1.229 nicm 968: tty_repeat_space(tty, sx - ctx->ocx);
1.1 nicm 969: }
970:
971: void
1.24 nicm 972: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 973: {
1.210 nicm 974: struct window_pane *wp = ctx->wp;
975:
976: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 977:
1.210 nicm 978: if (ctx->xoff == 0 &&
979: tty_term_has(tty->term, TTYC_EL1) &&
1.238 nicm 980: !tty_fake_bce(tty, ctx->wp, ctx->bg)) {
981: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 982: tty_putcode(tty, TTYC_EL1);
1.238 nicm 983: } else {
984: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 985: tty_repeat_space(tty, ctx->ocx + 1);
1.238 nicm 986: }
1.1 nicm 987: }
988:
989: void
1.24 nicm 990: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 991: {
1.56 nicm 992: if (ctx->ocy != ctx->orupper)
993: return;
994:
1.210 nicm 995: if (!tty_pane_full_width(tty, ctx) ||
996: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.70 nicm 997: !tty_term_has(tty->term, TTYC_CSR) ||
998: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 999: tty_redraw_region(tty, ctx);
1.1 nicm 1000: return;
1001: }
1002:
1.176 nicm 1003: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.77 nicm 1004:
1.56 nicm 1005: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1006: tty_margin_off(tty);
1.56 nicm 1007: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1008:
1.56 nicm 1009: tty_putcode(tty, TTYC_RI);
1.1 nicm 1010: }
1011:
1012: void
1.24 nicm 1013: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1014: {
1.77 nicm 1015: struct window_pane *wp = ctx->wp;
1.1 nicm 1016:
1.56 nicm 1017: if (ctx->ocy != ctx->orlower)
1018: return;
1019:
1.212 nicm 1020: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.210 nicm 1021: tty_fake_bce(tty, wp, ctx->bg) ||
1.1 nicm 1022: !tty_term_has(tty->term, TTYC_CSR)) {
1.236 nicm 1023: tty_redraw_region(tty, ctx);
1.1 nicm 1024: return;
1025: }
1.52 nicm 1026:
1.176 nicm 1027: tty_attributes(tty, &grid_default_cell, wp);
1.77 nicm 1028:
1.56 nicm 1029: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1030: tty_margin_pane(tty, ctx);
1031:
1032: /*
1033: * If we want to wrap a pane, the cursor needs to be exactly on the
1034: * right of the region. But if the pane isn't on the right, it may be
1035: * off the edge - if so, move the cursor back to the right.
1036: */
1037: if (ctx->xoff + ctx->ocx > tty->rright)
1.216 nicm 1038: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1.212 nicm 1039: else
1040: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1041:
1.56 nicm 1042: tty_putc(tty, '\n');
1.240 nicm 1043: }
1044:
1045: void
1046: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1047: {
1048: struct window_pane *wp = ctx->wp;
1049: u_int i;
1050:
1051: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1052: tty_fake_bce(tty, wp, ctx->bg) ||
1053: !tty_term_has(tty->term, TTYC_CSR)) {
1054: tty_redraw_region(tty, ctx);
1055: return;
1056: }
1057:
1058: tty_attributes(tty, &grid_default_cell, wp);
1059:
1060: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1061: tty_margin_pane(tty, ctx);
1062:
1063: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.241 nicm 1064: tty_cursor(tty, tty->rright, tty->rlower);
1.240 nicm 1065: for (i = 0; i < ctx->num; i++)
1066: tty_putc(tty, '\n');
1067: } else
1068: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.1 nicm 1069: }
1070:
1071: void
1.24 nicm 1072: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1073: {
1.77 nicm 1074: struct window_pane *wp = ctx->wp;
1.12 nicm 1075: struct screen *s = wp->screen;
1.204 nicm 1076: u_int i, j;
1.229 nicm 1077: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.1 nicm 1078:
1.210 nicm 1079: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1080:
1.229 nicm 1081: tty_region_pane(tty, ctx, 0, sy - 1);
1.214 nicm 1082: tty_margin_off(tty);
1.39 nicm 1083:
1.176 nicm 1084: if (tty_pane_full_width(tty, ctx) &&
1.229 nicm 1085: status_at_line(tty->client) <= 0 &&
1086: tty_term_has(tty->term, TTYC_ED)) {
1087: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1088: tty_putcode(tty, TTYC_ED);
1089: } else if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1090: tty_term_has(tty->term, TTYC_EL) &&
1091: !tty_fake_bce(tty, wp, ctx->bg)) {
1.229 nicm 1092: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1093: tty_putcode(tty, TTYC_EL);
1.229 nicm 1094: if (ctx->ocy != sy - 1) {
1.41 nicm 1095: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.229 nicm 1096: for (i = ctx->ocy + 1; i < sy; i++) {
1.1 nicm 1097: tty_putcode(tty, TTYC_EL);
1.229 nicm 1098: if (i == sy - 1)
1.1 nicm 1099: continue;
1100: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1101: tty->cy++;
1102: }
1103: }
1104: } else {
1.229 nicm 1105: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1106: tty_repeat_space(tty, sx - ctx->ocx);
1107: for (j = ctx->ocy + 1; j < sy; j++) {
1.41 nicm 1108: tty_cursor_pane(tty, ctx, 0, j);
1.229 nicm 1109: tty_repeat_space(tty, sx);
1.1 nicm 1110: }
1111: }
1112: }
1113:
1114: void
1.24 nicm 1115: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1116: {
1.77 nicm 1117: struct window_pane *wp = ctx->wp;
1.12 nicm 1118: struct screen *s = wp->screen;
1.204 nicm 1119: u_int i, j;
1.229 nicm 1120: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.1 nicm 1121:
1.227 nicm 1122: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1123:
1.229 nicm 1124: tty_region_pane(tty, ctx, 0, sy - 1);
1.214 nicm 1125: tty_margin_off(tty);
1.39 nicm 1126:
1.230 nicm 1127: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1128: tty_term_has(tty->term, TTYC_EL) &&
1129: !tty_fake_bce(tty, wp, ctx->bg)) {
1.229 nicm 1130: tty_cursor_pane(tty, ctx, 0, 0);
1.14 nicm 1131: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 1132: tty_putcode(tty, TTYC_EL);
1133: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1134: tty->cy++;
1135: }
1136: } else {
1.229 nicm 1137: tty_cursor_pane(tty, ctx, 0, 0);
1.14 nicm 1138: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 1139: tty_cursor_pane(tty, ctx, 0, j);
1.229 nicm 1140: tty_repeat_space(tty, sx);
1.1 nicm 1141: }
1142: }
1.229 nicm 1143: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 1144: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 1145: }
1146:
1147: void
1.24 nicm 1148: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1149: {
1.77 nicm 1150: struct window_pane *wp = ctx->wp;
1.12 nicm 1151: struct screen *s = wp->screen;
1.204 nicm 1152: u_int i, j;
1.229 nicm 1153: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.1 nicm 1154:
1.210 nicm 1155: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1156:
1.229 nicm 1157: tty_region_pane(tty, ctx, 0, sy - 1);
1.214 nicm 1158: tty_margin_off(tty);
1.39 nicm 1159:
1.176 nicm 1160: if (tty_pane_full_width(tty, ctx) &&
1.229 nicm 1161: status_at_line(tty->client) <= 0 &&
1162: tty_term_has(tty->term, TTYC_ED)) {
1163: tty_cursor_pane(tty, ctx, 0, 0);
1164: tty_putcode(tty, TTYC_ED);
1.230 nicm 1165: } else if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1166: tty_term_has(tty->term, TTYC_EL) &&
1167: !tty_fake_bce(tty, wp, ctx->bg)) {
1.229 nicm 1168: tty_cursor_pane(tty, ctx, 0, 0);
1169: for (i = 0; i < sy; i++) {
1.1 nicm 1170: tty_putcode(tty, TTYC_EL);
1.229 nicm 1171: if (i != sy - 1) {
1.1 nicm 1172: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1173: tty->cy++;
1174: }
1175: }
1176: } else {
1.229 nicm 1177: tty_cursor_pane(tty, ctx, 0, 0);
1178: for (j = 0; j < sy; j++) {
1.41 nicm 1179: tty_cursor_pane(tty, ctx, 0, j);
1.229 nicm 1180: tty_repeat_space(tty, sx);
1.1 nicm 1181: }
1.4 nicm 1182: }
1183: }
1184:
1185: void
1.24 nicm 1186: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1187: {
1.12 nicm 1188: struct window_pane *wp = ctx->wp;
1189: struct screen *s = wp->screen;
1190: u_int i, j;
1.4 nicm 1191:
1.176 nicm 1192: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1193:
1.39 nicm 1194: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1195: tty_margin_off(tty);
1.4 nicm 1196:
1197: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1198: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1199: for (i = 0; i < screen_size_x(s); i++)
1200: tty_putc(tty, 'E');
1.1 nicm 1201: }
1202: }
1203:
1204: void
1.24 nicm 1205: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1206: {
1.222 nicm 1207: if (ctx->xoff + ctx->ocx > tty->sx - 1 && ctx->ocy == ctx->orlower) {
1208: if (tty_pane_full_width(tty, ctx))
1209: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1210: else
1211: tty_margin_off(tty);
1212: }
1.46 nicm 1213:
1.233 nicm 1214: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1215:
1.237 nicm 1216: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1217: }
1218:
1219: void
1220: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1221: {
1222: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1223:
1224: tty_attributes(tty, ctx->cell, ctx->wp);
1225: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1226: }
1227:
1228: void
1229: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1230: {
1231: char *buf;
1232: size_t off;
1233:
1234: if (!tty_term_has(tty->term, TTYC_MS))
1235: return;
1236:
1237: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1238: buf = xmalloc(off);
1239:
1240: b64_ntop(ctx->ptr, ctx->num, buf, off);
1241: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1242:
1.138 nicm 1243: free(buf);
1.100 nicm 1244: }
1245:
1246: void
1247: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1248: {
1249: u_int i;
1250: u_char *str = ctx->ptr;
1251:
1252: for (i = 0; i < ctx->num; i++)
1253: tty_putc(tty, str[i]);
1.242 nicm 1254: tty_invalidate(tty);
1.1 nicm 1255: }
1256:
1.207 nicm 1257: static void
1.176 nicm 1258: tty_cell(struct tty *tty, const struct grid_cell *gc,
1259: const struct window_pane *wp)
1.1 nicm 1260: {
1.193 nicm 1261: u_int i;
1.1 nicm 1262:
1263: /* Skip last character if terminal is stupid. */
1.211 nicm 1264: if ((tty->term->flags & TERM_EARLYWRAP) &&
1265: tty->cy == tty->sy - 1 &&
1266: tty->cx == tty->sx - 1)
1.1 nicm 1267: return;
1268:
1269: /* If this is a padding character, do nothing. */
1270: if (gc->flags & GRID_FLAG_PADDING)
1271: return;
1272:
1273: /* Set the attributes. */
1.176 nicm 1274: tty_attributes(tty, gc, wp);
1.1 nicm 1275:
1.147 nicm 1276: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.193 nicm 1277: if (gc->data.size == 1) {
1278: if (*gc->data.data < 0x20 || *gc->data.data == 0x7f)
1.1 nicm 1279: return;
1.193 nicm 1280: tty_putc(tty, *gc->data.data);
1.1 nicm 1281: return;
1282: }
1283:
1.147 nicm 1284: /* If not UTF-8, write _. */
1.1 nicm 1285: if (!(tty->flags & TTY_UTF8)) {
1.193 nicm 1286: for (i = 0; i < gc->data.width; i++)
1.1 nicm 1287: tty_putc(tty, '_');
1288: return;
1289: }
1290:
1.147 nicm 1291: /* Write the data. */
1.193 nicm 1292: tty_putn(tty, gc->data.data, gc->data.size, gc->data.width);
1.1 nicm 1293: }
1294:
1295: void
1296: tty_reset(struct tty *tty)
1297: {
1298: struct grid_cell *gc = &tty->cell;
1299:
1.228 nicm 1300: if (!grid_cells_equal(gc, &grid_default_cell)) {
1301: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1302: tty_putcode(tty, TTYC_RMACS);
1303: tty_putcode(tty, TTYC_SGR0);
1304: memcpy(gc, &grid_default_cell, sizeof *gc);
1305: }
1.1 nicm 1306:
1.228 nicm 1307: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1308: tty->last_wp = -1;
1.242 nicm 1309: }
1310:
1311: static void
1312: tty_invalidate(struct tty *tty)
1313: {
1314: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1315:
1316: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1317: tty->last_wp = -1;
1318:
1319: tty->cx = tty->cy = UINT_MAX;
1320:
1321: tty->rupper = tty->rleft = UINT_MAX;
1322: tty->rlower = tty->rright = UINT_MAX;
1323:
1324: if (tty->flags & TTY_STARTED) {
1325: tty_putcode(tty, TTYC_SGR0);
1326:
1327: tty->mode = ALL_MODES;
1328: tty_update_mode(tty, MODE_CURSOR, NULL);
1329:
1330: tty_cursor(tty, 0, 0);
1331: tty_region_off(tty);
1332: tty_margin_off(tty);
1333: } else
1334: tty->mode = MODE_CURSOR;
1.1 nicm 1335: }
1336:
1.214 nicm 1337: /* Turn off margin. */
1338: void
1339: tty_region_off(struct tty *tty)
1340: {
1341: tty_region(tty, 0, tty->sy - 1);
1342: }
1343:
1.40 nicm 1344: /* Set region inside pane. */
1.208 nicm 1345: static void
1.196 nicm 1346: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1347: u_int rlower)
1.1 nicm 1348: {
1.113 nicm 1349: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1350: }
1351:
1.40 nicm 1352: /* Set region at absolute position. */
1.214 nicm 1353: static void
1.40 nicm 1354: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1355: {
1356: if (tty->rlower == rlower && tty->rupper == rupper)
1357: return;
1.1 nicm 1358: if (!tty_term_has(tty->term, TTYC_CSR))
1359: return;
1.39 nicm 1360:
1361: tty->rupper = rupper;
1362: tty->rlower = rlower;
1.55 nicm 1363:
1364: /*
1365: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1366: * 0,0 if it is beyond the last column (they do not reset their wrap
1367: * flag so further output causes a line feed). As a workaround, do an
1368: * explicit move to 0 first.
1369: */
1370: if (tty->cx >= tty->sx)
1371: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1372:
1.39 nicm 1373: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 1374: tty->cx = tty->cy = 0;
1.212 nicm 1375: }
1376:
1.214 nicm 1377: /* Turn off margin. */
1378: void
1379: tty_margin_off(struct tty *tty)
1380: {
1381: tty_margin(tty, 0, tty->sx - 1);
1382: }
1383:
1.212 nicm 1384: /* Set margin inside pane. */
1385: static void
1386: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
1387: {
1388: tty_margin(tty, ctx->xoff, ctx->xoff + ctx->wp->sx - 1);
1389: }
1390:
1391: /* Set margin at absolute position. */
1.214 nicm 1392: static void
1.212 nicm 1393: tty_margin(struct tty *tty, u_int rleft, u_int rright)
1394: {
1395: char s[64];
1396:
1397: if (!tty_use_margin(tty))
1398: return;
1399: if (tty->rleft == rleft && tty->rright == rright)
1400: return;
1401:
1.232 nicm 1402: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 1403:
1.212 nicm 1404: tty->rleft = rleft;
1405: tty->rright = rright;
1406:
1.232 nicm 1407: if (rleft == 0 && rright == tty->sx - 1)
1408: snprintf(s, sizeof s, "\033[s");
1409: else
1410: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 1411: tty_puts(tty, s);
1.231 nicm 1412: tty->cx = tty->cy = 0;
1.1 nicm 1413: }
1414:
1.42 nicm 1415: /* Move cursor inside pane. */
1.208 nicm 1416: static void
1.41 nicm 1417: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1418: {
1.113 nicm 1419: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1420: }
1421:
1.42 nicm 1422: /* Move cursor to absolute position. */
1.41 nicm 1423: void
1424: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1425: {
1.42 nicm 1426: struct tty_term *term = tty->term;
1427: u_int thisx, thisy;
1428: int change;
1.77 nicm 1429:
1.42 nicm 1430: if (cx > tty->sx - 1)
1431: cx = tty->sx - 1;
1432:
1433: thisx = tty->cx;
1434: thisy = tty->cy;
1435:
1436: /* No change. */
1437: if (cx == thisx && cy == thisy)
1438: return;
1439:
1.43 nicm 1440: /* Very end of the line, just use absolute movement. */
1441: if (thisx > tty->sx - 1)
1442: goto absolute;
1443:
1.42 nicm 1444: /* Move to home position (0, 0). */
1445: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1446: tty_putcode(tty, TTYC_HOME);
1447: goto out;
1448: }
1449:
1450: /* Zero on the next line. */
1.48 nicm 1451: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1452: tty_putc(tty, '\r');
1.42 nicm 1453: tty_putc(tty, '\n');
1454: goto out;
1455: }
1456:
1.45 nicm 1457: /* Moving column or row. */
1.42 nicm 1458: if (cy == thisy) {
1.45 nicm 1459: /*
1460: * Moving column only, row staying the same.
1461: */
1462:
1.42 nicm 1463: /* To left edge. */
1.202 nicm 1464: if (cx == 0) {
1.42 nicm 1465: tty_putc(tty, '\r');
1466: goto out;
1467: }
1468:
1469: /* One to the left. */
1470: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1471: tty_putcode(tty, TTYC_CUB1);
1472: goto out;
1473: }
1474:
1475: /* One to the right. */
1476: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1477: tty_putcode(tty, TTYC_CUF1);
1478: goto out;
1479: }
1480:
1481: /* Calculate difference. */
1482: change = thisx - cx; /* +ve left, -ve right */
1483:
1484: /*
1485: * Use HPA if change is larger than absolute, otherwise move
1486: * the cursor with CUB/CUF.
1487: */
1.87 nicm 1488: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1489: tty_putcode1(tty, TTYC_HPA, cx);
1490: goto out;
1491: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1.202 nicm 1492: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
1493: tty_putcode(tty, TTYC_CUB1);
1494: tty_putcode(tty, TTYC_CUB1);
1495: goto out;
1496: }
1.42 nicm 1497: tty_putcode1(tty, TTYC_CUB, change);
1498: goto out;
1499: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1500: tty_putcode1(tty, TTYC_CUF, -change);
1501: goto out;
1502: }
1.45 nicm 1503: } else if (cx == thisx) {
1504: /*
1505: * Moving row only, column staying the same.
1506: */
1.42 nicm 1507:
1508: /* One above. */
1.77 nicm 1509: if (thisy != tty->rupper &&
1.42 nicm 1510: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1511: tty_putcode(tty, TTYC_CUU1);
1512: goto out;
1513: }
1514:
1515: /* One below. */
1.49 nicm 1516: if (thisy != tty->rlower &&
1.42 nicm 1517: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1518: tty_putcode(tty, TTYC_CUD1);
1519: goto out;
1520: }
1521:
1522: /* Calculate difference. */
1523: change = thisy - cy; /* +ve up, -ve down */
1524:
1525: /*
1.77 nicm 1526: * Try to use VPA if change is larger than absolute or if this
1527: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1528: */
1.87 nicm 1529: if ((u_int) abs(change) > cy ||
1.42 nicm 1530: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1531: (change > 0 && cy - change < tty->rupper)) {
1532: if (tty_term_has(term, TTYC_VPA)) {
1533: tty_putcode1(tty, TTYC_VPA, cy);
1534: goto out;
1535: }
1.42 nicm 1536: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1537: tty_putcode1(tty, TTYC_CUU, change);
1538: goto out;
1539: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1540: tty_putcode1(tty, TTYC_CUD, -change);
1541: goto out;
1542: }
1543: }
1544:
1.43 nicm 1545: absolute:
1.42 nicm 1546: /* Absolute movement. */
1547: tty_putcode2(tty, TTYC_CUP, cy, cx);
1548:
1549: out:
1550: tty->cx = cx;
1551: tty->cy = cy;
1.1 nicm 1552: }
1553:
1554: void
1.176 nicm 1555: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1556: const struct window_pane *wp)
1.1 nicm 1557: {
1.63 nicm 1558: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1559: u_char changed;
1.61 nicm 1560:
1.228 nicm 1561: /* Ignore cell if it is the same as the last one. */
1562: if (wp != NULL &&
1563: (int)wp->id == tty->last_wp &&
1564: ~(wp->window->flags & WINDOW_STYLECHANGED) &&
1565: gc->attr == tty->last_cell.attr &&
1566: gc->fg == tty->last_cell.fg &&
1567: gc->bg == tty->last_cell.bg)
1568: return;
1569: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
1570: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
1571:
1572: /* Copy cell and update default colours. */
1.85 nicm 1573: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 1574: if (wp != NULL)
1575: tty_default_colours(&gc2, wp);
1.63 nicm 1576:
1.18 nicm 1577: /*
1578: * If no setab, try to use the reverse attribute as a best-effort for a
1579: * non-default background. This is a bit of a hack but it doesn't do
1580: * any serious harm and makes a couple of applications happier.
1581: */
1582: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1583: if (gc2.attr & GRID_ATTR_REVERSE) {
1584: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1585: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1586: } else {
1.85 nicm 1587: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1588: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1589: }
1590: }
1.1 nicm 1591:
1.85 nicm 1592: /* Fix up the colours if necessary. */
1.219 nicm 1593: tty_check_fg(tty, wp, &gc2);
1594: tty_check_bg(tty, wp, &gc2);
1.85 nicm 1595:
1.64 nicm 1596: /* If any bits are being cleared, reset everything. */
1.85 nicm 1597: if (tc->attr & ~gc2.attr)
1.64 nicm 1598: tty_reset(tty);
1599:
1600: /*
1601: * Set the colours. This may call tty_reset() (so it comes next) and
1602: * may add to (NOT remove) the desired attributes by changing new_attr.
1603: */
1.85 nicm 1604: tty_colours(tty, &gc2);
1.64 nicm 1605:
1.1 nicm 1606: /* Filter out attribute bits already set. */
1.85 nicm 1607: changed = gc2.attr & ~tc->attr;
1608: tc->attr = gc2.attr;
1.1 nicm 1609:
1610: /* Set the attributes. */
1611: if (changed & GRID_ATTR_BRIGHT)
1612: tty_putcode(tty, TTYC_BOLD);
1613: if (changed & GRID_ATTR_DIM)
1614: tty_putcode(tty, TTYC_DIM);
1.180 nicm 1615: if (changed & GRID_ATTR_ITALICS)
1616: tty_set_italics(tty);
1.1 nicm 1617: if (changed & GRID_ATTR_UNDERSCORE)
1618: tty_putcode(tty, TTYC_SMUL);
1619: if (changed & GRID_ATTR_BLINK)
1620: tty_putcode(tty, TTYC_BLINK);
1621: if (changed & GRID_ATTR_REVERSE) {
1622: if (tty_term_has(tty->term, TTYC_REV))
1623: tty_putcode(tty, TTYC_REV);
1624: else if (tty_term_has(tty->term, TTYC_SMSO))
1625: tty_putcode(tty, TTYC_SMSO);
1626: }
1627: if (changed & GRID_ATTR_HIDDEN)
1628: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1629: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1630: tty_putcode(tty, TTYC_SMACS);
1631: }
1632:
1.207 nicm 1633: static void
1.85 nicm 1634: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1635: {
1.61 nicm 1636: struct grid_cell *tc = &tty->cell;
1.204 nicm 1637: int have_ax;
1.61 nicm 1638:
1639: /* No changes? Nothing is necessary. */
1.204 nicm 1640: if (gc->fg == tc->fg && gc->bg == tc->bg)
1.63 nicm 1641: return;
1.1 nicm 1642:
1.61 nicm 1643: /*
1644: * Is either the default colour? This is handled specially because the
1645: * best solution might be to reset both colours to default, in which
1646: * case if only one is default need to fall onward to set the other
1647: * colour.
1648: */
1.204 nicm 1649: if (gc->fg == 8 || gc->bg == 8) {
1.61 nicm 1650: /*
1651: * If don't have AX but do have op, send sgr0 (op can't
1652: * actually be used because it is sometimes the same as sgr0
1653: * and sometimes isn't). This resets both colours to default.
1654: *
1655: * Otherwise, try to set the default colour only as needed.
1656: */
1.174 nicm 1657: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 1658: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1659: tty_reset(tty);
1660: else {
1.204 nicm 1661: if (gc->fg == 8 && tc->fg != 8) {
1.61 nicm 1662: if (have_ax)
1663: tty_puts(tty, "\033[39m");
1.204 nicm 1664: else if (tc->fg != 7)
1.61 nicm 1665: tty_putcode1(tty, TTYC_SETAF, 7);
1666: tc->fg = 8;
1667: }
1.204 nicm 1668: if (gc->bg == 8 && tc->bg != 8) {
1.77 nicm 1669: if (have_ax)
1.61 nicm 1670: tty_puts(tty, "\033[49m");
1.204 nicm 1671: else if (tc->bg != 0)
1.61 nicm 1672: tty_putcode1(tty, TTYC_SETAB, 0);
1673: tc->bg = 8;
1674: }
1675: }
1676: }
1.1 nicm 1677:
1.61 nicm 1678: /* Set the foreground colour. */
1.204 nicm 1679: if (gc->fg != 8 && gc->fg != tc->fg)
1.85 nicm 1680: tty_colours_fg(tty, gc);
1.1 nicm 1681:
1.61 nicm 1682: /*
1683: * Set the background colour. This must come after the foreground as
1684: * tty_colour_fg() can call tty_reset().
1685: */
1.204 nicm 1686: if (gc->bg != 8 && gc->bg != tc->bg)
1.73 nicm 1687: tty_colours_bg(tty, gc);
1.1 nicm 1688: }
1689:
1.219 nicm 1690: static void
1691: tty_check_fg(struct tty *tty, const struct window_pane *wp,
1692: struct grid_cell *gc)
1.85 nicm 1693: {
1.204 nicm 1694: u_char r, g, b;
1695: u_int colours;
1.223 nicm 1696: int c;
1.85 nicm 1697:
1.219 nicm 1698: /* Perform substitution if this pane has a palette */
1699: if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
1.223 nicm 1700: (c = window_pane_get_palette(wp, gc->fg)) != -1)
1701: gc->fg = c;
1.219 nicm 1702:
1.199 nicm 1703: /* Is this a 24-bit colour? */
1.204 nicm 1704: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 1705: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1706: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1707: colour_split_rgb(gc->fg, &r, &g, &b);
1708: gc->fg = colour_find_rgb(r, g, b);
1709: } else
1.200 nicm 1710: return;
1.199 nicm 1711: }
1.224 nicm 1712:
1713: /* How many colours does this terminal have? */
1714: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1715: colours = 256;
1716: else
1717: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1718:
1.85 nicm 1719: /* Is this a 256-colour colour? */
1.204 nicm 1720: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 1721: /* And not a 256 colour mode? */
1.224 nicm 1722: if (colours != 256) {
1.85 nicm 1723: gc->fg = colour_256to16(gc->fg);
1724: if (gc->fg & 8) {
1725: gc->fg &= 7;
1.175 nicm 1726: if (colours >= 16)
1727: gc->fg += 90;
1728: else
1729: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1730: } else
1731: gc->attr &= ~GRID_ATTR_BRIGHT;
1732: }
1733: return;
1734: }
1735:
1736: /* Is this an aixterm colour? */
1737: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1738: gc->fg -= 90;
1739: gc->attr |= GRID_ATTR_BRIGHT;
1740: }
1741: }
1742:
1.219 nicm 1743: static void
1744: tty_check_bg(struct tty *tty, const struct window_pane *wp,
1745: struct grid_cell *gc)
1.85 nicm 1746: {
1.204 nicm 1747: u_char r, g, b;
1748: u_int colours;
1.223 nicm 1749: int c;
1.85 nicm 1750:
1.219 nicm 1751: /* Perform substitution if this pane has a palette */
1752: if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
1.223 nicm 1753: (c = window_pane_get_palette(wp, gc->bg)) != -1)
1754: gc->bg = c;
1.219 nicm 1755:
1.199 nicm 1756: /* Is this a 24-bit colour? */
1.204 nicm 1757: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 1758: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1759: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1760: colour_split_rgb(gc->bg, &r, &g, &b);
1761: gc->bg = colour_find_rgb(r, g, b);
1762: } else
1.200 nicm 1763: return;
1.199 nicm 1764: }
1.224 nicm 1765:
1766: /* How many colours does this terminal have? */
1767: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1768: colours = 256;
1769: else
1770: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1771:
1.85 nicm 1772: /* Is this a 256-colour colour? */
1.204 nicm 1773: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 1774: /*
1775: * And not a 256 colour mode? Translate to 16-colour
1776: * palette. Bold background doesn't exist portably, so just
1777: * discard the bold bit if set.
1778: */
1.224 nicm 1779: if (colours != 256) {
1.85 nicm 1780: gc->bg = colour_256to16(gc->bg);
1.175 nicm 1781: if (gc->bg & 8) {
1.85 nicm 1782: gc->bg &= 7;
1.175 nicm 1783: if (colours >= 16)
1784: gc->fg += 90;
1785: }
1.85 nicm 1786: }
1787: return;
1788: }
1789:
1790: /* Is this an aixterm colour? */
1.175 nicm 1791: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 1792: gc->bg -= 90;
1793: }
1794:
1.207 nicm 1795: static void
1.85 nicm 1796: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1797: {
1.61 nicm 1798: struct grid_cell *tc = &tty->cell;
1.79 nicm 1799: char s[32];
1.1 nicm 1800:
1.204 nicm 1801: /* Is this a 24-bit or 256-colour colour? */
1802: if (gc->fg & COLOUR_FLAG_RGB ||
1803: gc->fg & COLOUR_FLAG_256) {
1804: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 1805: goto save_fg;
1.199 nicm 1806: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 1807: return;
1.1 nicm 1808: }
1809:
1.79 nicm 1810: /* Is this an aixterm bright colour? */
1.204 nicm 1811: if (gc->fg >= 90 && gc->fg <= 97) {
1812: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
1.85 nicm 1813: tty_puts(tty, s);
1814: goto save_fg;
1.79 nicm 1815: }
1816:
1.61 nicm 1817: /* Otherwise set the foreground colour. */
1.204 nicm 1818: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 1819:
1.77 nicm 1820: save_fg:
1.61 nicm 1821: /* Save the new values in the terminal current cell. */
1.204 nicm 1822: tc->fg = gc->fg;
1.1 nicm 1823: }
1824:
1.207 nicm 1825: static void
1.73 nicm 1826: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1827: {
1.61 nicm 1828: struct grid_cell *tc = &tty->cell;
1.79 nicm 1829: char s[32];
1.1 nicm 1830:
1.204 nicm 1831: /* Is this a 24-bit or 256-colour colour? */
1832: if (gc->bg & COLOUR_FLAG_RGB ||
1833: gc->bg & COLOUR_FLAG_256) {
1834: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 1835: goto save_bg;
1.199 nicm 1836: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 1837: return;
1.79 nicm 1838: }
1839:
1840: /* Is this an aixterm bright colour? */
1.204 nicm 1841: if (gc->bg >= 90 && gc->bg <= 97) {
1842: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
1.175 nicm 1843: tty_puts(tty, s);
1844: goto save_bg;
1.1 nicm 1845: }
1846:
1.61 nicm 1847: /* Otherwise set the background colour. */
1.204 nicm 1848: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 1849:
1850: save_bg:
1851: /* Save the new values in the terminal current cell. */
1.204 nicm 1852: tc->bg = gc->bg;
1.61 nicm 1853: }
1854:
1.207 nicm 1855: static int
1.204 nicm 1856: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 1857: {
1.204 nicm 1858: u_char r, g, b;
1.61 nicm 1859: char s[32];
1860:
1.204 nicm 1861: if (colour & COLOUR_FLAG_256) {
1862: /*
1863: * If the user has specified -2 to the client, setaf and setab
1864: * may not work (or they may not want to use them), so send the
1865: * usual sequence.
1866: */
1867: if (tty->term_flags & TERM_256COLOURS)
1868: goto fallback_256;
1.189 nicm 1869:
1.204 nicm 1870: /*
1871: * If the terminfo entry has 256 colours and setaf and setab
1872: * exist, assume that they work correctly.
1873: */
1874: if (tty->term->flags & TERM_256COLOURS) {
1875: if (*type == '3') {
1876: if (!tty_term_has(tty->term, TTYC_SETAF))
1877: goto fallback_256;
1878: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
1879: } else {
1880: if (!tty_term_has(tty->term, TTYC_SETAB))
1881: goto fallback_256;
1882: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
1883: }
1884: return (0);
1.188 nicm 1885: }
1.204 nicm 1886: goto fallback_256;
1887: }
1888:
1889: if (colour & COLOUR_FLAG_RGB) {
1890: if (!tty_term_flag(tty->term, TTYC_TC))
1891: return (-1);
1892:
1893: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1894: xsnprintf(s, sizeof s, "\033[%s;2;%hhu;%hhu;%hhum", type,
1895: r, g, b);
1896: tty_puts(tty, s);
1.165 nicm 1897: return (0);
1898: }
1.61 nicm 1899:
1.165 nicm 1900: return (-1);
1.188 nicm 1901:
1.204 nicm 1902: fallback_256:
1903: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.188 nicm 1904: tty_puts(tty, s);
1905: return (0);
1.176 nicm 1906: }
1907:
1.207 nicm 1908: static void
1.176 nicm 1909: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
1910: {
1.203 nicm 1911: struct window *w = wp->window;
1912: struct options *oo = w->options;
1913: const struct grid_cell *agc, *pgc, *wgc;
1.223 nicm 1914: int c;
1.203 nicm 1915:
1916: if (w->flags & WINDOW_STYLECHANGED) {
1917: w->flags &= ~WINDOW_STYLECHANGED;
1918: agc = options_get_style(oo, "window-active-style");
1919: memcpy(&w->active_style, agc, sizeof w->active_style);
1920: wgc = options_get_style(oo, "window-style");
1921: memcpy(&w->style, wgc, sizeof w->style);
1922: } else {
1923: agc = &w->active_style;
1924: wgc = &w->style;
1925: }
1.176 nicm 1926: pgc = &wp->colgc;
1927:
1.204 nicm 1928: if (gc->fg == 8) {
1929: if (pgc->fg != 8)
1.176 nicm 1930: gc->fg = pgc->fg;
1.204 nicm 1931: else if (wp == w->active && agc->fg != 8)
1.176 nicm 1932: gc->fg = agc->fg;
1.204 nicm 1933: else
1.176 nicm 1934: gc->fg = wgc->fg;
1.219 nicm 1935:
1.223 nicm 1936: if (gc->fg != 8 &&
1937: (c = window_pane_get_palette(wp, gc->fg)) != -1)
1938: gc->fg = c;
1.176 nicm 1939: }
1940:
1.204 nicm 1941: if (gc->bg == 8) {
1942: if (pgc->bg != 8)
1.176 nicm 1943: gc->bg = pgc->bg;
1.204 nicm 1944: else if (wp == w->active && agc->bg != 8)
1.176 nicm 1945: gc->bg = agc->bg;
1.204 nicm 1946: else
1.176 nicm 1947: gc->bg = wgc->bg;
1.219 nicm 1948:
1.223 nicm 1949: if (gc->bg != 8 &&
1950: (c = window_pane_get_palette(wp, gc->bg)) != -1)
1951: gc->bg = c;
1.176 nicm 1952: }
1.210 nicm 1953: }
1954:
1955: static void
1956: tty_default_attributes(struct tty *tty, const struct window_pane *wp, u_int bg)
1957: {
1958: static struct grid_cell gc;
1959:
1960: memcpy(&gc, &grid_default_cell, sizeof gc);
1961: gc.bg = bg;
1962: tty_attributes(tty, &gc, wp);
1.1 nicm 1963: }
![[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