Annotation of src/usr.bin/tmux/tty.c, Revision 1.285
1.285 ! nicm 1: /* $OpenBSD: tty.c,v 1.284 2017/05/15 07:54:44 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);
1.253 nicm 44: static void tty_cursor_pane_unless_wrap(struct tty *,
45: const struct tty_ctx *, u_int, u_int);
1.242 nicm 46: static void tty_invalidate(struct tty *);
1.207 nicm 47: static void tty_colours(struct tty *, const struct grid_cell *);
1.219 nicm 48: static void tty_check_fg(struct tty *, const struct window_pane *,
49: struct grid_cell *);
50: static void tty_check_bg(struct tty *, const struct window_pane *,
51: struct grid_cell *);
1.207 nicm 52: static void tty_colours_fg(struct tty *, const struct grid_cell *);
53: static void tty_colours_bg(struct tty *, const struct grid_cell *);
54:
1.208 nicm 55: static void tty_region_pane(struct tty *, const struct tty_ctx *, u_int,
56: u_int);
1.214 nicm 57: static void tty_region(struct tty *, u_int, u_int);
1.212 nicm 58: static void tty_margin_pane(struct tty *, const struct tty_ctx *);
1.214 nicm 59: static void tty_margin(struct tty *, u_int, u_int);
1.207 nicm 60: static int tty_large_region(struct tty *, const struct tty_ctx *);
1.210 nicm 61: static int tty_fake_bce(const struct tty *, const struct window_pane *,
62: u_int);
1.207 nicm 63: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
64: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
65: enum tty_code_code, u_int);
66: static void tty_repeat_space(struct tty *, u_int);
67: static void tty_cell(struct tty *, const struct grid_cell *,
68: const struct window_pane *);
69: static void tty_default_colours(struct grid_cell *,
70: const struct window_pane *);
1.210 nicm 71: static void tty_default_attributes(struct tty *, const struct window_pane *,
72: u_int);
1.1 nicm 73:
1.212 nicm 74: #define tty_use_margin(tty) \
1.265 nicm 75: ((tty)->term_type == TTY_VT420)
1.90 nicm 76:
1.264 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:
1.266 nicm 80: #define TTY_BLOCK_INTERVAL (100000 /* 100 milliseconds */)
81: #define TTY_BLOCK_START(tty) (1 + ((tty)->sx * (tty)->sy) * 8)
82: #define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
83:
1.192 nicm 84: void
85: tty_create_log(void)
86: {
87: char name[64];
88:
89: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
90:
91: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
92: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
93: fatal("fcntl failed");
94: }
95:
1.185 nicm 96: int
1.136 nicm 97: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 98: {
1.185 nicm 99: if (!isatty(fd))
100: return (-1);
101:
1.30 nicm 102: memset(tty, 0, sizeof *tty);
1.22 nicm 103:
1.9 nicm 104: if (term == NULL || *term == '\0')
1.220 nicm 105: tty->term_name = xstrdup("unknown");
1.1 nicm 106: else
1.220 nicm 107: tty->term_name = xstrdup(term);
1.258 nicm 108:
1.30 nicm 109: tty->fd = fd;
1.136 nicm 110: tty->client = c;
1.30 nicm 111:
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: {
1.258 nicm 126: struct client *c = tty->client;
127: struct winsize ws;
128: u_int sx, sy;
1.31 nicm 129:
130: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 131: sx = ws.ws_col;
132: if (sx == 0)
133: sx = 80;
134: sy = ws.ws_row;
135: if (sy == 0)
136: sy = 24;
137: } else {
138: sx = 80;
139: sy = 24;
1.31 nicm 140: }
1.258 nicm 141: log_debug("%s: %s now %ux%u", __func__, c->name, sx, sy);
142:
1.114 nicm 143: if (!tty_set_size(tty, sx, sy))
1.88 nicm 144: return (0);
1.242 nicm 145: tty_invalidate(tty);
1.114 nicm 146: return (1);
147: }
148:
149: int
1.212 nicm 150: tty_set_size(struct tty *tty, u_int sx, u_int sy)
151: {
1.114 nicm 152: if (sx == tty->sx && sy == tty->sy)
153: return (0);
154: tty->sx = sx;
155: tty->sy = sy;
1.88 nicm 156: return (1);
1.1 nicm 157: }
158:
1.244 nicm 159: static void
160: tty_read_callback(__unused int fd, __unused short events, void *data)
161: {
162: struct tty *tty = data;
1.258 nicm 163: struct client *c = tty->client;
1.244 nicm 164: size_t size = EVBUFFER_LENGTH(tty->in);
165: int nread;
166:
167: nread = evbuffer_read(tty->in, tty->fd, -1);
168: if (nread == -1)
169: return;
1.258 nicm 170: log_debug("%s: read %d bytes (already %zu)", c->name, nread, size);
1.244 nicm 171:
172: while (tty_keys_next(tty))
173: ;
174: }
175:
176: static void
1.266 nicm 177: tty_timer_callback(__unused int fd, __unused short events, void *data)
178: {
179: struct tty *tty = data;
180: struct client *c = tty->client;
181: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
182:
183: log_debug("%s: %zu discarded", c->name, tty->discarded);
184:
185: c->flags |= CLIENT_REDRAW;
186: c->discarded += tty->discarded;
187:
188: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
189: tty->flags &= ~TTY_BLOCK;
190: tty_invalidate(tty);
191: return;
192: }
193: tty->discarded = 0;
194: evtimer_add(&tty->timer, &tv);
195: }
196:
197: static int
198: tty_block_maybe(struct tty *tty)
199: {
200: struct client *c = tty->client;
201: size_t size = EVBUFFER_LENGTH(tty->out);
202: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
203:
204: if (size < TTY_BLOCK_START(tty))
205: return (0);
206:
207: if (tty->flags & TTY_BLOCK)
208: return (1);
209: tty->flags |= TTY_BLOCK;
210:
211: log_debug("%s: can't keep up, %zu discarded", c->name, size);
212:
213: evbuffer_drain(tty->out, size);
214: c->discarded += size;
215:
216: tty->discarded = 0;
217: evtimer_add(&tty->timer, &tv);
218: return (1);
219: }
220:
221: static void
1.244 nicm 222: tty_write_callback(__unused int fd, __unused short events, void *data)
223: {
1.246 nicm 224: struct tty *tty = data;
1.258 nicm 225: struct client *c = tty->client;
1.246 nicm 226: size_t size = EVBUFFER_LENGTH(tty->out);
227: int nwrite;
1.244 nicm 228:
229: nwrite = evbuffer_write(tty->out, tty->fd);
230: if (nwrite == -1)
231: return;
1.258 nicm 232: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 233:
1.270 nicm 234: if (c->redraw > 0) {
235: if ((size_t)nwrite >= c->redraw)
236: c->redraw = 0;
237: else
238: c->redraw -= nwrite;
239: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
240: c->redraw);
241: } else if (tty_block_maybe(tty))
1.266 nicm 242: return;
243:
1.247 nicm 244: if (EVBUFFER_LENGTH(tty->out) != 0)
245: event_add(&tty->event_out, NULL);
1.244 nicm 246: }
247:
1.1 nicm 248: int
1.166 nicm 249: tty_open(struct tty *tty, char **cause)
1.1 nicm 250: {
1.220 nicm 251: tty->term = tty_term_find(tty->term_name, tty->fd, cause);
1.21 nicm 252: if (tty->term == NULL) {
253: tty_close(tty);
254: return (-1);
255: }
256: tty->flags |= TTY_OPENED;
1.1 nicm 257:
1.266 nicm 258: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 259:
260: event_set(&tty->event_in, tty->fd, EV_PERSIST|EV_READ,
261: tty_read_callback, tty);
262: tty->in = evbuffer_new();
1.1 nicm 263:
1.244 nicm 264: event_set(&tty->event_out, tty->fd, EV_WRITE, tty_write_callback, tty);
265: tty->out = evbuffer_new();
1.1 nicm 266:
1.266 nicm 267: evtimer_set(&tty->timer, tty_timer_callback, tty);
268:
1.1 nicm 269: tty_start_tty(tty);
270:
1.148 nicm 271: tty_keys_build(tty);
1.1 nicm 272:
273: return (0);
274: }
275:
1.244 nicm 276: void
277: tty_start_tty(struct tty *tty)
1.1 nicm 278: {
1.285 ! nicm 279: struct client *c = tty->client;
! 280: struct termios tio;
1.33 nicm 281:
1.244 nicm 282: if (tty->fd != -1 && tcgetattr(tty->fd, &tty->tio) == 0) {
283: setblocking(tty->fd, 0);
284: event_add(&tty->event_in, NULL);
285:
286: memcpy(&tio, &tty->tio, sizeof tio);
287: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
288: tio.c_iflag |= IGNBRK;
289: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
290: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
291: ECHOPRT|ECHOKE|ISIG);
292: tio.c_cc[VMIN] = 1;
293: tio.c_cc[VTIME] = 0;
294: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
295: tcflush(tty->fd, TCIOFLUSH);
296: }
1.1 nicm 297:
1.10 nicm 298: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 299:
1.252 nicm 300: tty_putcode(tty, TTYC_SMKX);
1.285 ! nicm 301: tty_putcode(tty, TTYC_CLEAR);
! 302:
! 303: if (tty_acs_needed(tty)) {
! 304: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 305: tty_putcode(tty, TTYC_ENACS);
1.285 ! nicm 306: } else
! 307: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 308:
309: tty_putcode(tty, TTYC_CNORM);
310: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 311: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.121 nicm 312:
1.189 nicm 313: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 314: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 315: tty->flags |= TTY_FOCUS;
316: tty_puts(tty, "\033[?1004h");
317: }
1.265 nicm 318: tty_puts(tty, "\033[c");
1.162 nicm 319: }
1.1 nicm 320:
1.20 nicm 321: tty->flags |= TTY_STARTED;
1.242 nicm 322: tty_invalidate(tty);
1.107 nicm 323:
324: tty_force_cursor_colour(tty, "");
1.177 nicm 325:
326: tty->mouse_drag_flag = 0;
327: tty->mouse_drag_update = NULL;
328: tty->mouse_drag_release = NULL;
1.128 nicm 329: }
330:
331: void
1.1 nicm 332: tty_stop_tty(struct tty *tty)
333: {
334: struct winsize ws;
335:
1.20 nicm 336: if (!(tty->flags & TTY_STARTED))
337: return;
338: tty->flags &= ~TTY_STARTED;
339:
1.266 nicm 340: event_del(&tty->timer);
341: tty->flags &= ~TTY_BLOCK;
342:
1.244 nicm 343: event_del(&tty->event_in);
344: event_del(&tty->event_out);
1.66 nicm 345:
1.1 nicm 346: /*
347: * Be flexible about error handling and try not kill the server just
348: * because the fd is invalid. Things like ssh -t can easily leave us
349: * with a dead tty.
350: */
351: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
352: return;
353: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
354: return;
355:
356: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 ! nicm 357: if (tty_acs_needed(tty))
1.90 nicm 358: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 359: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
360: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
361: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 362: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
363: if (tty_term_has(tty->term, TTYC_SE))
364: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 365: else
1.160 nicm 366: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 367: }
1.173 nicm 368: if (tty->mode & MODE_BRACKETPASTE)
369: tty_raw(tty, "\033[?2004l");
1.107 nicm 370: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 371:
372: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
373: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 374: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.151 nicm 375:
1.189 nicm 376: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 377: if (tty->flags & TTY_FOCUS) {
378: tty->flags &= ~TTY_FOCUS;
1.172 nicm 379: tty_raw(tty, "\033[?1004l");
1.162 nicm 380: }
381: }
1.10 nicm 382:
1.212 nicm 383: if (tty_use_margin(tty))
384: tty_raw(tty, "\033[?69l"); /* DECLRMM */
1.10 nicm 385: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 386:
387: setblocking(tty->fd, 1);
1.1 nicm 388: }
389:
390: void
1.20 nicm 391: tty_close(struct tty *tty)
1.1 nicm 392: {
1.123 nicm 393: if (event_initialized(&tty->key_timer))
394: evtimer_del(&tty->key_timer);
1.20 nicm 395: tty_stop_tty(tty);
1.1 nicm 396:
1.21 nicm 397: if (tty->flags & TTY_OPENED) {
1.244 nicm 398: evbuffer_free(tty->in);
399: event_del(&tty->event_in);
400: evbuffer_free(tty->out);
401: event_del(&tty->event_out);
1.66 nicm 402:
1.21 nicm 403: tty_term_free(tty->term);
404: tty_keys_free(tty);
405:
406: tty->flags &= ~TTY_OPENED;
407: }
1.1 nicm 408:
1.21 nicm 409: if (tty->fd != -1) {
410: close(tty->fd);
411: tty->fd = -1;
412: }
1.1 nicm 413: }
414:
415: void
1.20 nicm 416: tty_free(struct tty *tty)
1.1 nicm 417: {
1.20 nicm 418: tty_close(tty);
1.1 nicm 419:
1.138 nicm 420: free(tty->ccolour);
1.220 nicm 421: free(tty->term_name);
1.1 nicm 422: }
423:
424: void
1.212 nicm 425: tty_set_type(struct tty *tty, int type)
426: {
427: tty->term_type = type;
428:
429: if (tty_use_margin(tty))
430: tty_puts(tty, "\033[?69h"); /* DECLRMM */
431: }
432:
433: void
1.1 nicm 434: tty_raw(struct tty *tty, const char *s)
435: {
1.150 nicm 436: ssize_t n, slen;
437: u_int i;
438:
439: slen = strlen(s);
440: for (i = 0; i < 5; i++) {
441: n = write(tty->fd, s, slen);
442: if (n >= 0) {
443: s += n;
444: slen -= n;
445: if (slen == 0)
446: break;
447: } else if (n == -1 && errno != EAGAIN)
448: break;
449: usleep(100);
450: }
1.1 nicm 451: }
452:
453: void
454: tty_putcode(struct tty *tty, enum tty_code_code code)
455: {
456: tty_puts(tty, tty_term_string(tty->term, code));
457: }
458:
459: void
460: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
461: {
462: if (a < 0)
463: return;
464: tty_puts(tty, tty_term_string1(tty->term, code, a));
465: }
466:
467: void
468: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
469: {
470: if (a < 0 || b < 0)
471: return;
472: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
473: }
474:
475: void
1.107 nicm 476: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
477: {
478: if (a != NULL)
479: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
480: }
481:
482: void
1.167 nicm 483: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
484: const void *b)
1.106 nicm 485: {
486: if (a != NULL && b != NULL)
487: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
488: }
489:
1.243 nicm 490: static void
491: tty_add(struct tty *tty, const char *buf, size_t len)
492: {
1.258 nicm 493: struct client *c = tty->client;
494:
1.266 nicm 495: if (tty->flags & TTY_BLOCK) {
496: tty->discarded += len;
497: return;
498: }
499:
1.244 nicm 500: evbuffer_add(tty->out, buf, len);
1.270 nicm 501: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 502: c->written += len;
1.243 nicm 503:
504: if (tty_log_fd != -1)
505: write(tty_log_fd, buf, len);
1.244 nicm 506: if (tty->flags & TTY_STARTED)
507: event_add(&tty->event_out, NULL);
1.243 nicm 508: }
509:
1.106 nicm 510: void
1.1 nicm 511: tty_puts(struct tty *tty, const char *s)
512: {
1.243 nicm 513: if (*s != '\0')
514: tty_add(tty, s, strlen(s));
1.1 nicm 515: }
516:
517: void
518: tty_putc(struct tty *tty, u_char ch)
519: {
1.90 nicm 520: const char *acs;
1.1 nicm 521:
1.90 nicm 522: if (tty->cell.attr & GRID_ATTR_CHARSET) {
523: acs = tty_acs_get(tty, ch);
1.243 nicm 524: if (acs != NULL)
525: tty_add(tty, acs, strlen(acs));
526: else
527: tty_add(tty, &ch, 1);
528: } else
529: tty_add(tty, &ch, 1);
1.1 nicm 530:
531: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 532: if (tty->cx >= tty->sx) {
1.46 nicm 533: tty->cx = 1;
534: if (tty->cy != tty->rlower)
535: tty->cy++;
1.211 nicm 536:
537: /*
538: * On !xenl terminals, force the cursor position to
539: * where we think it should be after a line wrap - this
540: * means it works on sensible terminals as well.
541: */
542: if (tty->term->flags & TERM_EARLYWRAP)
543: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 544: } else
545: tty->cx++;
546: }
547: }
548:
549: void
1.147 nicm 550: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 551: {
1.243 nicm 552: tty_add(tty, buf, len);
1.268 nicm 553: if (tty->cx + width > tty->sx) {
554: tty->cx = (tty->cx + width) - tty->sx;
555: if (tty->cx <= tty->sx)
556: tty->cy++;
557: else
558: tty->cx = tty->cy = UINT_MAX;
559: } else
1.254 nicm 560: tty->cx += width;
1.5 nicm 561: }
562:
1.207 nicm 563: static void
1.180 nicm 564: tty_set_italics(struct tty *tty)
565: {
566: const char *s;
567:
568: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 569: s = options_get_string(global_options, "default-terminal");
1.180 nicm 570: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
571: tty_putcode(tty, TTYC_SITM);
572: return;
573: }
574: }
575: tty_putcode(tty, TTYC_SMSO);
576: }
577:
578: void
1.1 nicm 579: tty_set_title(struct tty *tty, const char *title)
580: {
1.105 nicm 581: if (!tty_term_has(tty->term, TTYC_TSL) ||
582: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 583: return;
584:
1.105 nicm 585: tty_putcode(tty, TTYC_TSL);
1.1 nicm 586: tty_puts(tty, title);
1.105 nicm 587: tty_putcode(tty, TTYC_FSL);
1.1 nicm 588: }
589:
1.208 nicm 590: static void
1.107 nicm 591: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
592: {
593: if (*ccolour == '\0')
594: tty_putcode(tty, TTYC_CR);
595: else
1.160 nicm 596: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 597: free(tty->ccolour);
1.107 nicm 598: tty->ccolour = xstrdup(ccolour);
599: }
600:
601: void
602: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 603: {
604: int changed;
605:
1.197 nicm 606: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 607: tty_force_cursor_colour(tty, s->ccolour);
608:
1.1 nicm 609: if (tty->flags & TTY_NOCURSOR)
610: mode &= ~MODE_CURSOR;
611:
612: changed = mode ^ tty->mode;
1.183 nicm 613: if (changed & MODE_BLINKING) {
614: if (tty_term_has(tty->term, TTYC_CVVIS))
615: tty_putcode(tty, TTYC_CVVIS);
616: else
617: tty_putcode(tty, TTYC_CNORM);
618: changed |= MODE_CURSOR;
619: }
620: if (changed & MODE_CURSOR) {
621: if (mode & MODE_CURSOR)
622: tty_putcode(tty, TTYC_CNORM);
623: else
1.1 nicm 624: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 625: }
1.181 nicm 626: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 627: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 628: if (s->cstyle == 0 &&
1.160 nicm 629: tty_term_has(tty->term, TTYC_SE))
630: tty_putcode(tty, TTYC_SE);
1.108 nicm 631: else
1.160 nicm 632: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 633: }
634: tty->cstyle = s->cstyle;
1.1 nicm 635: }
1.195 nicm 636: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 637: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 638: /*
639: * Enable the SGR (1006) extension unconditionally, as
1.221 nicm 640: * it is safe from misinterpretation.
1.153 nicm 641: */
642: tty_puts(tty, "\033[?1006h");
1.225 nicm 643: if (mode & MODE_MOUSE_ALL)
644: tty_puts(tty, "\033[?1003h");
645: else if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 646: tty_puts(tty, "\033[?1002h");
1.98 nicm 647: else if (mode & MODE_MOUSE_STANDARD)
648: tty_puts(tty, "\033[?1000h");
1.86 nicm 649: } else {
1.225 nicm 650: if (tty->mode & MODE_MOUSE_ALL)
651: tty_puts(tty, "\033[?1003l");
652: else if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 653: tty_puts(tty, "\033[?1002l");
1.98 nicm 654: else if (tty->mode & MODE_MOUSE_STANDARD)
655: tty_puts(tty, "\033[?1000l");
1.153 nicm 656: tty_puts(tty, "\033[?1006l");
1.86 nicm 657: }
1.115 nicm 658: }
659: if (changed & MODE_BRACKETPASTE) {
660: if (mode & MODE_BRACKETPASTE)
661: tty_puts(tty, "\033[?2004h");
662: else
663: tty_puts(tty, "\033[?2004l");
1.1 nicm 664: }
665: tty->mode = mode;
666: }
667:
1.207 nicm 668: static void
1.168 nicm 669: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
670: enum tty_code_code code1, u_int n)
1.1 nicm 671: {
672: if (tty_term_has(tty->term, code))
673: tty_putcode1(tty, code, n);
674: else {
675: while (n-- > 0)
676: tty_putcode(tty, code1);
677: }
678: }
679:
1.207 nicm 680: static void
1.133 nicm 681: tty_repeat_space(struct tty *tty, u_int n)
682: {
1.257 nicm 683: static char s[500];
684:
685: if (*s != ' ')
686: memset(s, ' ', sizeof s);
687:
688: while (n > sizeof s) {
689: tty_putn(tty, s, sizeof s, sizeof s);
690: n -= sizeof s;
691: }
692: if (n != 0)
693: tty_putn(tty, s, n, n);
1.133 nicm 694: }
695:
1.1 nicm 696: /*
1.119 nicm 697: * Is the region large enough to be worth redrawing once later rather than
698: * probably several times now? Currently yes if it is more than 50% of the
699: * pane.
700: */
1.207 nicm 701: static int
1.194 nicm 702: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 703: {
704: struct window_pane *wp = ctx->wp;
705:
706: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
707: }
708:
709: /*
1.176 nicm 710: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
711: * emulated.
712: */
1.207 nicm 713: static int
1.210 nicm 714: tty_fake_bce(const struct tty *tty, const struct window_pane *wp, u_int bg)
1.176 nicm 715: {
716: struct grid_cell gc;
717:
1.210 nicm 718: if (tty_term_flag(tty->term, TTYC_BCE))
719: return (0);
720:
1.176 nicm 721: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 722: if (wp != NULL)
723: tty_default_colours(&gc, wp);
1.176 nicm 724:
1.210 nicm 725: if (bg != 8 || gc.bg != 8)
726: return (1);
727: return (0);
1.176 nicm 728: }
729:
730: /*
1.1 nicm 731: * Redraw scroll region using data from screen (already updated). Used when
732: * CSR not supported, or window is a pane that doesn't take up the full
733: * width of the terminal.
734: */
1.207 nicm 735: static void
1.24 nicm 736: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 737: {
1.14 nicm 738: struct window_pane *wp = ctx->wp;
739: struct screen *s = wp->screen;
1.204 nicm 740: u_int i;
1.1 nicm 741:
742: /*
1.119 nicm 743: * If region is large, schedule a window redraw. In most cases this is
744: * likely to be followed by some more scrolling.
1.1 nicm 745: */
1.119 nicm 746: if (tty_large_region(tty, ctx)) {
1.1 nicm 747: wp->flags |= PANE_REDRAW;
748: return;
749: }
750:
1.14 nicm 751: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
752: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176 nicm 753: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 754: } else {
1.14 nicm 755: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176 nicm 756: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 757: }
758: }
759:
1.271 nicm 760: static void
761: tty_clear_line(struct tty *tty, const struct window_pane *wp, u_int py,
762: u_int px, u_int nx, u_int bg)
763: {
764: log_debug("%s: %u at %u,%u", __func__, nx, px, py);
765:
766: /* Nothing to clear. */
767: if (nx == 0)
768: return;
769:
770: /* If genuine BCE is available, can try escape sequences. */
771: if (!tty_fake_bce(tty, wp, bg)) {
772: /* Off the end of the line, use EL if available. */
773: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
774: tty_cursor(tty, px, py);
775: tty_putcode(tty, TTYC_EL);
776: return;
777: }
778:
779: /* At the start of the line. Use EL1. */
780: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
781: tty_cursor(tty, px + nx - 1, py);
782: tty_putcode(tty, TTYC_EL1);
783: return;
784: }
785:
786: /* Section of line. Use ECH if possible. */
787: if (tty_term_has(tty->term, TTYC_ECH)) {
788: tty_cursor(tty, px, py);
789: tty_putcode1(tty, TTYC_ECH, nx);
790: return;
791: }
792: }
793:
794: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 795: tty_cursor(tty, px, py);
1.271 nicm 796: tty_repeat_space(tty, nx);
797: }
798:
799: static void
800: tty_clear_area(struct tty *tty, const struct window_pane *wp, u_int py,
801: u_int ny, u_int px, u_int nx, u_int bg)
802: {
803: u_int yy;
1.274 nicm 804: char tmp[64];
1.271 nicm 805:
806: log_debug("%s: %u,%u at %u,%u", __func__, nx, ny, px, py);
807:
808: /* Nothing to clear. */
809: if (nx == 0 || ny == 0)
810: return;
811:
812: /* If genuine BCE is available, can try escape sequences. */
813: if (!tty_fake_bce(tty, wp, bg)) {
1.276 nicm 814: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 815: if (px == 0 &&
816: px + nx >= tty->sx &&
817: py + ny >= tty->sy &&
818: tty_term_has(tty->term, TTYC_ED)) {
819: tty_cursor(tty, 0, py);
820: tty_putcode(tty, TTYC_ED);
1.274 nicm 821: return;
822: }
823:
824: /*
1.276 nicm 825: * On VT420 compatible terminals we can use DECFRA if the
826: * background colour isn't default (because it doesn't work
827: * after SGR 0).
1.274 nicm 828: */
829: if (tty->term_type == TTY_VT420 && bg != 8) {
830: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
831: py + 1, px + 1, py + ny, px + nx);
832: tty_puts(tty, tmp);
1.276 nicm 833: return;
834: }
835:
1.280 nicm 836: /* Full lines can be scrolled away to clear them. */
837: if (px == 0 &&
1.281 nicm 838: px + nx >= tty->sx &&
1.280 nicm 839: ny > 2 &&
840: tty_term_has(tty->term, TTYC_CSR) &&
841: tty_term_has(tty->term, TTYC_INDN)) {
842: tty_region(tty, py, py + ny - 1);
843: tty_margin_off(tty);
1.284 nicm 844: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 845: return;
846: }
847:
1.276 nicm 848: /*
849: * If margins are supported, can just scroll the area off to
850: * clear it.
851: */
1.277 nicm 852: if (nx > 2 &&
853: ny > 2 &&
1.280 nicm 854: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 855: tty_use_margin(tty) &&
856: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 857: tty_region(tty, py, py + ny - 1);
858: tty_margin(tty, px, px + nx - 1);
1.284 nicm 859: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 860: return;
861: }
862: }
863:
864: /* Couldn't use an escape sequence, loop over the lines. */
865: for (yy = py; yy < py + ny; yy++)
866: tty_clear_line(tty, wp, yy, px, nx, bg);
867: }
868:
1.1 nicm 869: void
1.176 nicm 870: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
871: u_int oy)
872: {
873: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
874: }
875:
876: void
877: tty_draw_line(struct tty *tty, const struct window_pane *wp,
878: struct screen *s, u_int py, u_int ox, u_int oy)
1.1 nicm 879: {
1.250 nicm 880: struct grid_cell gc, last;
1.271 nicm 881: u_int i, j, sx, nx, width;
1.259 nicm 882: int flags, cleared = 0;
1.250 nicm 883: char buf[512];
884: size_t len;
1.1 nicm 885:
1.259 nicm 886: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 887: tty->flags |= TTY_NOCURSOR;
888: tty_update_mode(tty, tty->mode, s);
1.35 nicm 889:
1.214 nicm 890: tty_region_off(tty);
891: tty_margin_off(tty);
892:
1.273 nicm 893: /*
894: * Clamp the width to cellsize - note this is not cellused, because
895: * there may be empty background cells after it (from BCE).
896: */
1.1 nicm 897: sx = screen_size_x(s);
1.273 nicm 898: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
899: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 900: if (sx > tty->sx)
901: sx = tty->sx;
902:
1.268 nicm 903: if (wp == NULL ||
904: py == 0 ||
905: (~s->grid->linedata[s->grid->hsize + py - 1].flags & GRID_LINE_WRAPPED) ||
906: ox != 0 ||
907: tty->cx < tty->sx ||
908: screen_size_x(s) < tty->sx) {
909: if (screen_size_x(s) < tty->sx &&
910: ox == 0 &&
911: sx != screen_size_x(s) &&
912: tty_term_has(tty->term, TTYC_EL1) &&
913: !tty_fake_bce(tty, wp, 8)) {
914: tty_default_attributes(tty, wp, 8);
915: tty_cursor(tty, screen_size_x(s) - 1, oy + py);
916: tty_putcode(tty, TTYC_EL1);
917: cleared = 1;
918: }
919: if (sx != 0)
920: tty_cursor(tty, ox, oy + py);
921: } else
922: log_debug("%s: wrapped line %u", __func__, oy + py);
1.250 nicm 923:
924: memcpy(&last, &grid_default_cell, sizeof last);
925: len = 0;
926: width = 0;
1.46 nicm 927:
1.1 nicm 928: for (i = 0; i < sx; i++) {
1.193 nicm 929: grid_view_get_cell(s->grid, i, py, &gc);
1.250 nicm 930: if (len != 0 &&
1.251 nicm 931: (((~tty->flags & TTY_UTF8) &&
932: (gc.data.size != 1 ||
933: *gc.data.data >= 0x7f ||
934: gc.data.width != 1)) ||
935: (gc.attr & GRID_ATTR_CHARSET) ||
1.250 nicm 936: gc.flags != last.flags ||
937: gc.attr != last.attr ||
938: gc.fg != last.fg ||
939: gc.bg != last.bg ||
940: (sizeof buf) - len < gc.data.size)) {
941: tty_attributes(tty, &last, wp);
942: tty_putn(tty, buf, len, width);
943:
944: len = 0;
945: width = 0;
946: }
947:
948: if (gc.flags & GRID_FLAG_SELECTED)
949: screen_select_cell(s, &last, &gc);
950: else
951: memcpy(&last, &gc, sizeof last);
1.251 nicm 952: if (((~tty->flags & TTY_UTF8) &&
953: (gc.data.size != 1 ||
954: *gc.data.data >= 0x7f ||
955: gc.data.width != 1)) ||
956: (gc.attr & GRID_ATTR_CHARSET)) {
1.250 nicm 957: tty_attributes(tty, &last, wp);
1.251 nicm 958: if (~tty->flags & TTY_UTF8) {
959: for (j = 0; j < gc.data.width; j++)
960: tty_putc(tty, '_');
961: } else {
962: for (j = 0; j < gc.data.size; j++)
963: tty_putc(tty, gc.data.data[j]);
964: }
1.250 nicm 965: } else {
966: memcpy(buf + len, gc.data.data, gc.data.size);
967: len += gc.data.size;
968: width += gc.data.width;
969: }
970: }
971: if (len != 0) {
972: tty_attributes(tty, &last, wp);
973: tty_putn(tty, buf, len, width);
1.1 nicm 974: }
975:
1.271 nicm 976: nx = screen_size_x(s) - sx;
977: if (!cleared && sx < tty->sx && nx != 0) {
1.210 nicm 978: tty_default_attributes(tty, wp, 8);
1.271 nicm 979: tty_clear_line(tty, wp, oy + py, ox + sx, nx, 8);
1.35 nicm 980: }
1.1 nicm 981:
1.181 nicm 982: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 983: tty_update_mode(tty, tty->mode, s);
1.15 nicm 984: }
985:
1.201 nicm 986: static int
1.182 nicm 987: tty_client_ready(struct client *c, struct window_pane *wp)
988: {
989: if (c->session == NULL || c->tty.term == NULL)
990: return (0);
1.244 nicm 991: if (c->flags & (CLIENT_REDRAW|CLIENT_SUSPENDED))
1.182 nicm 992: return (0);
993: if (c->tty.flags & TTY_FREEZE)
994: return (0);
995: if (c->session->curw->window != wp->window)
996: return (0);
997: return (1);
998: }
999:
1.15 nicm 1000: void
1.182 nicm 1001: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1002: struct tty_ctx *ctx)
1.15 nicm 1003: {
1004: struct window_pane *wp = ctx->wp;
1005: struct client *c;
1006:
1.75 nicm 1007: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 1008: if (wp == NULL)
1009: return;
1010:
1.260 nicm 1011: if ((wp->flags & (PANE_REDRAW|PANE_DROP)) || !window_pane_visible(wp))
1.15 nicm 1012: return;
1013:
1.178 nicm 1014: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 1015: if (!tty_client_ready(c, wp))
1.15 nicm 1016: continue;
1017:
1.139 nicm 1018: ctx->xoff = wp->xoff;
1019: ctx->yoff = wp->yoff;
1020: if (status_at_line(c) == 0)
1021: ctx->yoff++;
1.113 nicm 1022:
1.139 nicm 1023: cmdfn(&c->tty, ctx);
1.1 nicm 1024: }
1025: }
1026:
1027: void
1.24 nicm 1028: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1029: {
1.77 nicm 1030: struct window_pane *wp = ctx->wp;
1.1 nicm 1031:
1.210 nicm 1032: if (!tty_pane_full_width(tty, ctx) ||
1033: tty_fake_bce(tty, wp, ctx->bg) ||
1034: (!tty_term_has(tty->term, TTYC_ICH) &&
1035: !tty_term_has(tty->term, TTYC_ICH1))) {
1.176 nicm 1036: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 1037: return;
1038: }
1039:
1.210 nicm 1040: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1041:
1.77 nicm 1042: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1043:
1.206 nicm 1044: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1045: }
1046:
1047: void
1.24 nicm 1048: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1049: {
1.77 nicm 1050: struct window_pane *wp = ctx->wp;
1.1 nicm 1051:
1.210 nicm 1052: if (!tty_pane_full_width(tty, ctx) ||
1053: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 1054: (!tty_term_has(tty->term, TTYC_DCH) &&
1055: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 1056: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 1057: return;
1058: }
1059:
1.210 nicm 1060: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1061:
1.77 nicm 1062: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1063:
1.206 nicm 1064: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1065: }
1066:
1067: void
1068: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1069: {
1.275 nicm 1070: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.146 nicm 1071:
1072: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1073:
1.210 nicm 1074: if (tty_term_has(tty->term, TTYC_ECH) &&
1.262 nicm 1075: !tty_fake_bce(tty, ctx->wp, 8))
1.146 nicm 1076: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1077: else
1078: tty_repeat_space(tty, ctx->num);
1.1 nicm 1079: }
1080:
1081: void
1.24 nicm 1082: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1083: {
1.210 nicm 1084: if (!tty_pane_full_width(tty, ctx) ||
1085: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 1086: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 1087: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 1088: tty_redraw_region(tty, ctx);
1.1 nicm 1089: return;
1090: }
1091:
1.210 nicm 1092: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1093:
1.77 nicm 1094: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1095: tty_margin_off(tty);
1.77 nicm 1096: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1097:
1.12 nicm 1098: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1099: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1100: }
1101:
1102: void
1.24 nicm 1103: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1104: {
1.210 nicm 1105: if (!tty_pane_full_width(tty, ctx) ||
1106: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 1107: !tty_term_has(tty->term, TTYC_CSR) ||
1108: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 1109: tty_redraw_region(tty, ctx);
1.1 nicm 1110: return;
1111: }
1112:
1.210 nicm 1113: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1114:
1.77 nicm 1115: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1116: tty_margin_off(tty);
1.77 nicm 1117: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1118:
1.12 nicm 1119: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1120: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1121: }
1122:
1123: void
1.24 nicm 1124: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1125: {
1.77 nicm 1126: struct window_pane *wp = ctx->wp;
1.271 nicm 1127: u_int nx, py = ctx->yoff + ctx->ocy;
1.1 nicm 1128:
1.210 nicm 1129: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1130:
1.271 nicm 1131: nx = screen_size_x(wp->screen);
1132: tty_clear_line(tty, wp, py, ctx->xoff, nx, ctx->bg);
1.1 nicm 1133: }
1134:
1135: void
1.24 nicm 1136: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1137: {
1.77 nicm 1138: struct window_pane *wp = ctx->wp;
1.271 nicm 1139: u_int nx, py = ctx->yoff + ctx->ocy;
1.1 nicm 1140:
1.210 nicm 1141: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1142:
1.271 nicm 1143: nx = screen_size_x(wp->screen) - ctx->ocx;
1144: tty_clear_line(tty, wp, py, ctx->xoff + ctx->ocx, nx, ctx->bg);
1.1 nicm 1145: }
1146:
1147: void
1.24 nicm 1148: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1149: {
1.210 nicm 1150: struct window_pane *wp = ctx->wp;
1.282 nicm 1151: u_int py = ctx->yoff + ctx->ocy;
1.210 nicm 1152:
1153: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1154:
1.271 nicm 1155: tty_clear_line(tty, wp, py, ctx->xoff, ctx->ocx + 1, ctx->bg);
1.1 nicm 1156: }
1157:
1158: void
1.24 nicm 1159: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1160: {
1.278 nicm 1161: struct window_pane *wp = ctx->wp;
1162:
1.56 nicm 1163: if (ctx->ocy != ctx->orupper)
1164: return;
1165:
1.210 nicm 1166: if (!tty_pane_full_width(tty, ctx) ||
1.278 nicm 1167: tty_fake_bce(tty, wp, 8) ||
1.70 nicm 1168: !tty_term_has(tty->term, TTYC_CSR) ||
1169: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 1170: tty_redraw_region(tty, ctx);
1.1 nicm 1171: return;
1172: }
1173:
1.278 nicm 1174: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1175:
1.56 nicm 1176: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1177: tty_margin_off(tty);
1.56 nicm 1178: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1179:
1.56 nicm 1180: tty_putcode(tty, TTYC_RI);
1.1 nicm 1181: }
1182:
1183: void
1.24 nicm 1184: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1185: {
1.77 nicm 1186: struct window_pane *wp = ctx->wp;
1.1 nicm 1187:
1.56 nicm 1188: if (ctx->ocy != ctx->orlower)
1189: return;
1190:
1.212 nicm 1191: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1192: tty_fake_bce(tty, wp, 8) ||
1.1 nicm 1193: !tty_term_has(tty->term, TTYC_CSR)) {
1.236 nicm 1194: tty_redraw_region(tty, ctx);
1.1 nicm 1195: return;
1196: }
1.52 nicm 1197:
1.278 nicm 1198: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1199:
1.56 nicm 1200: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1201: tty_margin_pane(tty, ctx);
1202:
1203: /*
1204: * If we want to wrap a pane, the cursor needs to be exactly on the
1205: * right of the region. But if the pane isn't on the right, it may be
1206: * off the edge - if so, move the cursor back to the right.
1207: */
1208: if (ctx->xoff + ctx->ocx > tty->rright)
1.216 nicm 1209: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1.212 nicm 1210: else
1211: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1212:
1.56 nicm 1213: tty_putc(tty, '\n');
1.240 nicm 1214: }
1215:
1216: void
1217: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1218: {
1219: struct window_pane *wp = ctx->wp;
1.284 nicm 1220: u_int i;
1.240 nicm 1221:
1222: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1223: tty_fake_bce(tty, wp, 8) ||
1.240 nicm 1224: !tty_term_has(tty->term, TTYC_CSR)) {
1225: tty_redraw_region(tty, ctx);
1226: return;
1227: }
1228:
1.278 nicm 1229: tty_default_attributes(tty, wp, ctx->bg);
1.240 nicm 1230:
1231: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1232: tty_margin_pane(tty, ctx);
1233:
1.284 nicm 1234: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.241 nicm 1235: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1236: for (i = 0; i < ctx->num; i++)
1.240 nicm 1237: tty_putc(tty, '\n');
1238: } else
1.284 nicm 1239: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.1 nicm 1240: }
1241:
1242: void
1.24 nicm 1243: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1244: {
1.77 nicm 1245: struct window_pane *wp = ctx->wp;
1.271 nicm 1246: u_int px, py, nx, ny;
1.1 nicm 1247:
1.210 nicm 1248: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1249:
1.271 nicm 1250: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1251: tty_margin_off(tty);
1.39 nicm 1252:
1.271 nicm 1253: px = ctx->xoff;
1254: nx = screen_size_x(wp->screen);
1255: py = ctx->yoff + ctx->ocy + 1;
1256: ny = screen_size_y(wp->screen) - ctx->ocy - 1;
1257:
1258: tty_clear_area(tty, wp, py, ny, px, nx, ctx->bg);
1259:
1260: px = ctx->xoff + ctx->ocx;
1261: nx = screen_size_x(wp->screen) - ctx->ocx;
1262: py = ctx->yoff + ctx->ocy;
1263:
1264: tty_clear_line(tty, wp, py, px, nx, ctx->bg);
1.1 nicm 1265: }
1266:
1267: void
1.24 nicm 1268: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1269: {
1.77 nicm 1270: struct window_pane *wp = ctx->wp;
1.271 nicm 1271: u_int px, py, nx, ny;
1.1 nicm 1272:
1.227 nicm 1273: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1274:
1.271 nicm 1275: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1276: tty_margin_off(tty);
1.39 nicm 1277:
1.271 nicm 1278: px = ctx->xoff;
1279: nx = screen_size_x(wp->screen);
1280: py = ctx->yoff;
1281: ny = ctx->ocy - 1;
1282:
1283: tty_clear_area(tty, wp, py, ny, px, nx, ctx->bg);
1284:
1285: px = ctx->xoff;
1286: nx = ctx->ocx + 1;
1287: py = ctx->yoff + ctx->ocy;
1288:
1289: tty_clear_line(tty, wp, py, px, nx, ctx->bg);
1.1 nicm 1290: }
1291:
1292: void
1.24 nicm 1293: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1294: {
1.77 nicm 1295: struct window_pane *wp = ctx->wp;
1.271 nicm 1296: u_int px, py, nx, ny;
1.1 nicm 1297:
1.210 nicm 1298: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1299:
1.271 nicm 1300: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1301: tty_margin_off(tty);
1.39 nicm 1302:
1.271 nicm 1303: px = ctx->xoff;
1304: nx = screen_size_x(wp->screen);
1305: py = ctx->yoff;
1306: ny = screen_size_y(wp->screen);
1307:
1308: tty_clear_area(tty, wp, py, ny, px, nx, ctx->bg);
1.4 nicm 1309: }
1310:
1311: void
1.24 nicm 1312: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1313: {
1.12 nicm 1314: struct window_pane *wp = ctx->wp;
1315: struct screen *s = wp->screen;
1316: u_int i, j;
1.4 nicm 1317:
1.176 nicm 1318: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1319:
1.39 nicm 1320: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1321: tty_margin_off(tty);
1.4 nicm 1322:
1323: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1324: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1325: for (i = 0; i < screen_size_x(s); i++)
1326: tty_putc(tty, 'E');
1.1 nicm 1327: }
1328: }
1329:
1330: void
1.24 nicm 1331: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1332: {
1.222 nicm 1333: if (ctx->xoff + ctx->ocx > tty->sx - 1 && ctx->ocy == ctx->orlower) {
1334: if (tty_pane_full_width(tty, ctx))
1335: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1336: else
1337: tty_margin_off(tty);
1338: }
1.46 nicm 1339:
1.253 nicm 1340: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1341:
1.237 nicm 1342: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1343: }
1344:
1345: void
1346: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1347: {
1.253 nicm 1348: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1349:
1350: tty_attributes(tty, ctx->cell, ctx->wp);
1351: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1352: }
1353:
1354: void
1355: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1356: {
1357: char *buf;
1358: size_t off;
1359:
1360: if (!tty_term_has(tty->term, TTYC_MS))
1361: return;
1362:
1363: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1364: buf = xmalloc(off);
1365:
1366: b64_ntop(ctx->ptr, ctx->num, buf, off);
1367: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1368:
1.138 nicm 1369: free(buf);
1.100 nicm 1370: }
1371:
1372: void
1373: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1374: {
1.256 nicm 1375: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1376: tty_invalidate(tty);
1.1 nicm 1377: }
1378:
1.207 nicm 1379: static void
1.176 nicm 1380: tty_cell(struct tty *tty, const struct grid_cell *gc,
1381: const struct window_pane *wp)
1.1 nicm 1382: {
1.193 nicm 1383: u_int i;
1.1 nicm 1384:
1385: /* Skip last character if terminal is stupid. */
1.211 nicm 1386: if ((tty->term->flags & TERM_EARLYWRAP) &&
1387: tty->cy == tty->sy - 1 &&
1388: tty->cx == tty->sx - 1)
1.1 nicm 1389: return;
1390:
1391: /* If this is a padding character, do nothing. */
1392: if (gc->flags & GRID_FLAG_PADDING)
1393: return;
1394:
1395: /* Set the attributes. */
1.176 nicm 1396: tty_attributes(tty, gc, wp);
1.1 nicm 1397:
1.147 nicm 1398: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.193 nicm 1399: if (gc->data.size == 1) {
1400: if (*gc->data.data < 0x20 || *gc->data.data == 0x7f)
1.1 nicm 1401: return;
1.193 nicm 1402: tty_putc(tty, *gc->data.data);
1.1 nicm 1403: return;
1404: }
1405:
1.147 nicm 1406: /* If not UTF-8, write _. */
1.1 nicm 1407: if (!(tty->flags & TTY_UTF8)) {
1.193 nicm 1408: for (i = 0; i < gc->data.width; i++)
1.1 nicm 1409: tty_putc(tty, '_');
1410: return;
1411: }
1412:
1.147 nicm 1413: /* Write the data. */
1.193 nicm 1414: tty_putn(tty, gc->data.data, gc->data.size, gc->data.width);
1.1 nicm 1415: }
1416:
1417: void
1418: tty_reset(struct tty *tty)
1419: {
1420: struct grid_cell *gc = &tty->cell;
1421:
1.228 nicm 1422: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 ! nicm 1423: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 1424: tty_putcode(tty, TTYC_RMACS);
1425: tty_putcode(tty, TTYC_SGR0);
1426: memcpy(gc, &grid_default_cell, sizeof *gc);
1427: }
1.1 nicm 1428:
1.228 nicm 1429: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1430: tty->last_wp = -1;
1.242 nicm 1431: }
1432:
1433: static void
1434: tty_invalidate(struct tty *tty)
1435: {
1436: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1437:
1438: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1439: tty->last_wp = -1;
1440:
1441: tty->cx = tty->cy = UINT_MAX;
1442:
1443: tty->rupper = tty->rleft = UINT_MAX;
1444: tty->rlower = tty->rright = UINT_MAX;
1445:
1446: if (tty->flags & TTY_STARTED) {
1447: tty_putcode(tty, TTYC_SGR0);
1448:
1449: tty->mode = ALL_MODES;
1450: tty_update_mode(tty, MODE_CURSOR, NULL);
1451:
1452: tty_cursor(tty, 0, 0);
1453: tty_region_off(tty);
1454: tty_margin_off(tty);
1455: } else
1456: tty->mode = MODE_CURSOR;
1.1 nicm 1457: }
1458:
1.214 nicm 1459: /* Turn off margin. */
1460: void
1461: tty_region_off(struct tty *tty)
1462: {
1463: tty_region(tty, 0, tty->sy - 1);
1464: }
1465:
1.40 nicm 1466: /* Set region inside pane. */
1.208 nicm 1467: static void
1.196 nicm 1468: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1469: u_int rlower)
1.1 nicm 1470: {
1.113 nicm 1471: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1472: }
1473:
1.40 nicm 1474: /* Set region at absolute position. */
1.214 nicm 1475: static void
1.40 nicm 1476: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1477: {
1478: if (tty->rlower == rlower && tty->rupper == rupper)
1479: return;
1.1 nicm 1480: if (!tty_term_has(tty->term, TTYC_CSR))
1481: return;
1.39 nicm 1482:
1483: tty->rupper = rupper;
1484: tty->rlower = rlower;
1.55 nicm 1485:
1486: /*
1487: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1488: * 0,0 if it is beyond the last column (they do not reset their wrap
1489: * flag so further output causes a line feed). As a workaround, do an
1490: * explicit move to 0 first.
1491: */
1492: if (tty->cx >= tty->sx)
1493: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1494:
1.39 nicm 1495: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 1496: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 1497: }
1498:
1.214 nicm 1499: /* Turn off margin. */
1500: void
1501: tty_margin_off(struct tty *tty)
1502: {
1503: tty_margin(tty, 0, tty->sx - 1);
1504: }
1505:
1.212 nicm 1506: /* Set margin inside pane. */
1507: static void
1508: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
1509: {
1510: tty_margin(tty, ctx->xoff, ctx->xoff + ctx->wp->sx - 1);
1511: }
1512:
1513: /* Set margin at absolute position. */
1.214 nicm 1514: static void
1.212 nicm 1515: tty_margin(struct tty *tty, u_int rleft, u_int rright)
1516: {
1517: char s[64];
1518:
1519: if (!tty_use_margin(tty))
1520: return;
1521: if (tty->rleft == rleft && tty->rright == rright)
1522: return;
1523:
1.232 nicm 1524: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 1525:
1.212 nicm 1526: tty->rleft = rleft;
1527: tty->rright = rright;
1528:
1.232 nicm 1529: if (rleft == 0 && rright == tty->sx - 1)
1530: snprintf(s, sizeof s, "\033[s");
1531: else
1532: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 1533: tty_puts(tty, s);
1.249 nicm 1534: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 1535: }
1536:
1537: /*
1538: * Move the cursor, unless it would wrap itself when the next character is
1539: * printed.
1540: */
1541: static void
1542: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
1543: u_int cx, u_int cy)
1544: {
1.268 nicm 1545: if (!ctx->wrapped ||
1546: !tty_pane_full_width(tty, ctx) ||
1.253 nicm 1547: (tty->term->flags & TERM_EARLYWRAP) ||
1548: ctx->xoff + cx != 0 ||
1549: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 1550: tty->cx < tty->sx ||
1551: tty->cy == tty->rlower)
1.253 nicm 1552: tty_cursor_pane(tty, ctx, cx, cy);
1553: else
1554: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 1555: }
1556:
1.42 nicm 1557: /* Move cursor inside pane. */
1.208 nicm 1558: static void
1.41 nicm 1559: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1560: {
1.113 nicm 1561: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1562: }
1563:
1.42 nicm 1564: /* Move cursor to absolute position. */
1.41 nicm 1565: void
1566: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1567: {
1.42 nicm 1568: struct tty_term *term = tty->term;
1569: u_int thisx, thisy;
1570: int change;
1.77 nicm 1571:
1.42 nicm 1572: if (cx > tty->sx - 1)
1573: cx = tty->sx - 1;
1574:
1575: thisx = tty->cx;
1576: thisy = tty->cy;
1577:
1578: /* No change. */
1579: if (cx == thisx && cy == thisy)
1580: return;
1581:
1.43 nicm 1582: /* Very end of the line, just use absolute movement. */
1583: if (thisx > tty->sx - 1)
1584: goto absolute;
1585:
1.42 nicm 1586: /* Move to home position (0, 0). */
1587: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1588: tty_putcode(tty, TTYC_HOME);
1589: goto out;
1590: }
1591:
1592: /* Zero on the next line. */
1.48 nicm 1593: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1594: tty_putc(tty, '\r');
1.42 nicm 1595: tty_putc(tty, '\n');
1596: goto out;
1597: }
1598:
1.45 nicm 1599: /* Moving column or row. */
1.42 nicm 1600: if (cy == thisy) {
1.45 nicm 1601: /*
1602: * Moving column only, row staying the same.
1603: */
1604:
1.42 nicm 1605: /* To left edge. */
1.202 nicm 1606: if (cx == 0) {
1.42 nicm 1607: tty_putc(tty, '\r');
1608: goto out;
1609: }
1610:
1611: /* One to the left. */
1612: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1613: tty_putcode(tty, TTYC_CUB1);
1614: goto out;
1615: }
1616:
1617: /* One to the right. */
1618: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1619: tty_putcode(tty, TTYC_CUF1);
1620: goto out;
1621: }
1622:
1623: /* Calculate difference. */
1624: change = thisx - cx; /* +ve left, -ve right */
1625:
1626: /*
1627: * Use HPA if change is larger than absolute, otherwise move
1628: * the cursor with CUB/CUF.
1629: */
1.87 nicm 1630: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1631: tty_putcode1(tty, TTYC_HPA, cx);
1632: goto out;
1633: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1.202 nicm 1634: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
1635: tty_putcode(tty, TTYC_CUB1);
1636: tty_putcode(tty, TTYC_CUB1);
1637: goto out;
1638: }
1.42 nicm 1639: tty_putcode1(tty, TTYC_CUB, change);
1640: goto out;
1641: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1642: tty_putcode1(tty, TTYC_CUF, -change);
1643: goto out;
1644: }
1.45 nicm 1645: } else if (cx == thisx) {
1646: /*
1647: * Moving row only, column staying the same.
1648: */
1.42 nicm 1649:
1650: /* One above. */
1.77 nicm 1651: if (thisy != tty->rupper &&
1.42 nicm 1652: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1653: tty_putcode(tty, TTYC_CUU1);
1654: goto out;
1655: }
1656:
1657: /* One below. */
1.49 nicm 1658: if (thisy != tty->rlower &&
1.42 nicm 1659: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1660: tty_putcode(tty, TTYC_CUD1);
1661: goto out;
1662: }
1663:
1664: /* Calculate difference. */
1665: change = thisy - cy; /* +ve up, -ve down */
1666:
1667: /*
1.77 nicm 1668: * Try to use VPA if change is larger than absolute or if this
1669: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1670: */
1.87 nicm 1671: if ((u_int) abs(change) > cy ||
1.42 nicm 1672: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1673: (change > 0 && cy - change < tty->rupper)) {
1674: if (tty_term_has(term, TTYC_VPA)) {
1675: tty_putcode1(tty, TTYC_VPA, cy);
1676: goto out;
1677: }
1.42 nicm 1678: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1679: tty_putcode1(tty, TTYC_CUU, change);
1680: goto out;
1681: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1682: tty_putcode1(tty, TTYC_CUD, -change);
1683: goto out;
1684: }
1685: }
1686:
1.43 nicm 1687: absolute:
1.42 nicm 1688: /* Absolute movement. */
1689: tty_putcode2(tty, TTYC_CUP, cy, cx);
1690:
1691: out:
1692: tty->cx = cx;
1693: tty->cy = cy;
1.1 nicm 1694: }
1695:
1696: void
1.176 nicm 1697: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1698: const struct window_pane *wp)
1.1 nicm 1699: {
1.63 nicm 1700: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 1701: int changed;
1.61 nicm 1702:
1.228 nicm 1703: /* Ignore cell if it is the same as the last one. */
1704: if (wp != NULL &&
1705: (int)wp->id == tty->last_wp &&
1706: ~(wp->window->flags & WINDOW_STYLECHANGED) &&
1707: gc->attr == tty->last_cell.attr &&
1708: gc->fg == tty->last_cell.fg &&
1709: gc->bg == tty->last_cell.bg)
1710: return;
1711: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
1712: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
1713:
1714: /* Copy cell and update default colours. */
1.85 nicm 1715: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 1716: if (wp != NULL)
1717: tty_default_colours(&gc2, wp);
1.63 nicm 1718:
1.18 nicm 1719: /*
1720: * If no setab, try to use the reverse attribute as a best-effort for a
1721: * non-default background. This is a bit of a hack but it doesn't do
1722: * any serious harm and makes a couple of applications happier.
1723: */
1724: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1725: if (gc2.attr & GRID_ATTR_REVERSE) {
1726: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1727: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1728: } else {
1.85 nicm 1729: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1730: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1731: }
1732: }
1.1 nicm 1733:
1.85 nicm 1734: /* Fix up the colours if necessary. */
1.219 nicm 1735: tty_check_fg(tty, wp, &gc2);
1736: tty_check_bg(tty, wp, &gc2);
1.85 nicm 1737:
1.64 nicm 1738: /* If any bits are being cleared, reset everything. */
1.85 nicm 1739: if (tc->attr & ~gc2.attr)
1.64 nicm 1740: tty_reset(tty);
1741:
1742: /*
1743: * Set the colours. This may call tty_reset() (so it comes next) and
1744: * may add to (NOT remove) the desired attributes by changing new_attr.
1745: */
1.85 nicm 1746: tty_colours(tty, &gc2);
1.64 nicm 1747:
1.1 nicm 1748: /* Filter out attribute bits already set. */
1.85 nicm 1749: changed = gc2.attr & ~tc->attr;
1750: tc->attr = gc2.attr;
1.1 nicm 1751:
1752: /* Set the attributes. */
1753: if (changed & GRID_ATTR_BRIGHT)
1754: tty_putcode(tty, TTYC_BOLD);
1755: if (changed & GRID_ATTR_DIM)
1756: tty_putcode(tty, TTYC_DIM);
1.180 nicm 1757: if (changed & GRID_ATTR_ITALICS)
1758: tty_set_italics(tty);
1.1 nicm 1759: if (changed & GRID_ATTR_UNDERSCORE)
1760: tty_putcode(tty, TTYC_SMUL);
1761: if (changed & GRID_ATTR_BLINK)
1762: tty_putcode(tty, TTYC_BLINK);
1763: if (changed & GRID_ATTR_REVERSE) {
1764: if (tty_term_has(tty->term, TTYC_REV))
1765: tty_putcode(tty, TTYC_REV);
1766: else if (tty_term_has(tty->term, TTYC_SMSO))
1767: tty_putcode(tty, TTYC_SMSO);
1768: }
1769: if (changed & GRID_ATTR_HIDDEN)
1770: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 1771: if (changed & GRID_ATTR_STRIKETHROUGH)
1772: tty_putcode(tty, TTYC_SMXX);
1.285 ! nicm 1773: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 1774: tty_putcode(tty, TTYC_SMACS);
1775: }
1776:
1.207 nicm 1777: static void
1.85 nicm 1778: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1779: {
1.61 nicm 1780: struct grid_cell *tc = &tty->cell;
1.204 nicm 1781: int have_ax;
1.61 nicm 1782:
1783: /* No changes? Nothing is necessary. */
1.204 nicm 1784: if (gc->fg == tc->fg && gc->bg == tc->bg)
1.63 nicm 1785: return;
1.1 nicm 1786:
1.61 nicm 1787: /*
1788: * Is either the default colour? This is handled specially because the
1789: * best solution might be to reset both colours to default, in which
1790: * case if only one is default need to fall onward to set the other
1791: * colour.
1792: */
1.204 nicm 1793: if (gc->fg == 8 || gc->bg == 8) {
1.61 nicm 1794: /*
1795: * If don't have AX but do have op, send sgr0 (op can't
1796: * actually be used because it is sometimes the same as sgr0
1797: * and sometimes isn't). This resets both colours to default.
1798: *
1799: * Otherwise, try to set the default colour only as needed.
1800: */
1.174 nicm 1801: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 1802: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1803: tty_reset(tty);
1804: else {
1.204 nicm 1805: if (gc->fg == 8 && tc->fg != 8) {
1.61 nicm 1806: if (have_ax)
1807: tty_puts(tty, "\033[39m");
1.204 nicm 1808: else if (tc->fg != 7)
1.61 nicm 1809: tty_putcode1(tty, TTYC_SETAF, 7);
1810: tc->fg = 8;
1811: }
1.204 nicm 1812: if (gc->bg == 8 && tc->bg != 8) {
1.77 nicm 1813: if (have_ax)
1.61 nicm 1814: tty_puts(tty, "\033[49m");
1.204 nicm 1815: else if (tc->bg != 0)
1.61 nicm 1816: tty_putcode1(tty, TTYC_SETAB, 0);
1817: tc->bg = 8;
1818: }
1819: }
1820: }
1.1 nicm 1821:
1.61 nicm 1822: /* Set the foreground colour. */
1.204 nicm 1823: if (gc->fg != 8 && gc->fg != tc->fg)
1.85 nicm 1824: tty_colours_fg(tty, gc);
1.1 nicm 1825:
1.61 nicm 1826: /*
1827: * Set the background colour. This must come after the foreground as
1828: * tty_colour_fg() can call tty_reset().
1829: */
1.204 nicm 1830: if (gc->bg != 8 && gc->bg != tc->bg)
1.73 nicm 1831: tty_colours_bg(tty, gc);
1.1 nicm 1832: }
1833:
1.219 nicm 1834: static void
1835: tty_check_fg(struct tty *tty, const struct window_pane *wp,
1836: struct grid_cell *gc)
1.85 nicm 1837: {
1.204 nicm 1838: u_char r, g, b;
1839: u_int colours;
1.223 nicm 1840: int c;
1.85 nicm 1841:
1.219 nicm 1842: /* Perform substitution if this pane has a palette */
1843: if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
1.223 nicm 1844: (c = window_pane_get_palette(wp, gc->fg)) != -1)
1845: gc->fg = c;
1.219 nicm 1846:
1.199 nicm 1847: /* Is this a 24-bit colour? */
1.204 nicm 1848: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 1849: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1850: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1851: colour_split_rgb(gc->fg, &r, &g, &b);
1852: gc->fg = colour_find_rgb(r, g, b);
1853: } else
1.200 nicm 1854: return;
1.199 nicm 1855: }
1.224 nicm 1856:
1857: /* How many colours does this terminal have? */
1858: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1859: colours = 256;
1860: else
1861: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1862:
1.85 nicm 1863: /* Is this a 256-colour colour? */
1.204 nicm 1864: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 1865: /* And not a 256 colour mode? */
1.224 nicm 1866: if (colours != 256) {
1.85 nicm 1867: gc->fg = colour_256to16(gc->fg);
1868: if (gc->fg & 8) {
1869: gc->fg &= 7;
1.175 nicm 1870: if (colours >= 16)
1871: gc->fg += 90;
1872: else
1873: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1874: } else
1875: gc->attr &= ~GRID_ATTR_BRIGHT;
1876: }
1877: return;
1878: }
1879:
1880: /* Is this an aixterm colour? */
1881: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1882: gc->fg -= 90;
1883: gc->attr |= GRID_ATTR_BRIGHT;
1884: }
1885: }
1886:
1.219 nicm 1887: static void
1888: tty_check_bg(struct tty *tty, const struct window_pane *wp,
1889: struct grid_cell *gc)
1.85 nicm 1890: {
1.204 nicm 1891: u_char r, g, b;
1892: u_int colours;
1.223 nicm 1893: int c;
1.85 nicm 1894:
1.219 nicm 1895: /* Perform substitution if this pane has a palette */
1896: if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
1.223 nicm 1897: (c = window_pane_get_palette(wp, gc->bg)) != -1)
1898: gc->bg = c;
1.219 nicm 1899:
1.199 nicm 1900: /* Is this a 24-bit colour? */
1.204 nicm 1901: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 1902: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1903: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1904: colour_split_rgb(gc->bg, &r, &g, &b);
1905: gc->bg = colour_find_rgb(r, g, b);
1906: } else
1.200 nicm 1907: return;
1.199 nicm 1908: }
1.224 nicm 1909:
1910: /* How many colours does this terminal have? */
1911: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1912: colours = 256;
1913: else
1914: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1915:
1.85 nicm 1916: /* Is this a 256-colour colour? */
1.204 nicm 1917: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 1918: /*
1919: * And not a 256 colour mode? Translate to 16-colour
1920: * palette. Bold background doesn't exist portably, so just
1921: * discard the bold bit if set.
1922: */
1.224 nicm 1923: if (colours != 256) {
1.85 nicm 1924: gc->bg = colour_256to16(gc->bg);
1.175 nicm 1925: if (gc->bg & 8) {
1.85 nicm 1926: gc->bg &= 7;
1.175 nicm 1927: if (colours >= 16)
1928: gc->fg += 90;
1929: }
1.85 nicm 1930: }
1931: return;
1932: }
1933:
1934: /* Is this an aixterm colour? */
1.175 nicm 1935: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 1936: gc->bg -= 90;
1937: }
1938:
1.207 nicm 1939: static void
1.85 nicm 1940: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1941: {
1.61 nicm 1942: struct grid_cell *tc = &tty->cell;
1.79 nicm 1943: char s[32];
1.1 nicm 1944:
1.204 nicm 1945: /* Is this a 24-bit or 256-colour colour? */
1946: if (gc->fg & COLOUR_FLAG_RGB ||
1947: gc->fg & COLOUR_FLAG_256) {
1948: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 1949: goto save_fg;
1.199 nicm 1950: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 1951: return;
1.1 nicm 1952: }
1953:
1.79 nicm 1954: /* Is this an aixterm bright colour? */
1.204 nicm 1955: if (gc->fg >= 90 && gc->fg <= 97) {
1956: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
1.85 nicm 1957: tty_puts(tty, s);
1958: goto save_fg;
1.79 nicm 1959: }
1960:
1.61 nicm 1961: /* Otherwise set the foreground colour. */
1.204 nicm 1962: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 1963:
1.77 nicm 1964: save_fg:
1.61 nicm 1965: /* Save the new values in the terminal current cell. */
1.204 nicm 1966: tc->fg = gc->fg;
1.1 nicm 1967: }
1968:
1.207 nicm 1969: static void
1.73 nicm 1970: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1971: {
1.61 nicm 1972: struct grid_cell *tc = &tty->cell;
1.79 nicm 1973: char s[32];
1.1 nicm 1974:
1.204 nicm 1975: /* Is this a 24-bit or 256-colour colour? */
1976: if (gc->bg & COLOUR_FLAG_RGB ||
1977: gc->bg & COLOUR_FLAG_256) {
1978: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 1979: goto save_bg;
1.199 nicm 1980: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 1981: return;
1.79 nicm 1982: }
1983:
1984: /* Is this an aixterm bright colour? */
1.204 nicm 1985: if (gc->bg >= 90 && gc->bg <= 97) {
1986: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
1.175 nicm 1987: tty_puts(tty, s);
1988: goto save_bg;
1.1 nicm 1989: }
1990:
1.61 nicm 1991: /* Otherwise set the background colour. */
1.204 nicm 1992: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 1993:
1994: save_bg:
1995: /* Save the new values in the terminal current cell. */
1.204 nicm 1996: tc->bg = gc->bg;
1.61 nicm 1997: }
1998:
1.207 nicm 1999: static int
1.204 nicm 2000: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2001: {
1.204 nicm 2002: u_char r, g, b;
1.61 nicm 2003: char s[32];
2004:
1.204 nicm 2005: if (colour & COLOUR_FLAG_256) {
2006: /*
2007: * If the user has specified -2 to the client, setaf and setab
2008: * may not work (or they may not want to use them), so send the
2009: * usual sequence.
2010: */
2011: if (tty->term_flags & TERM_256COLOURS)
2012: goto fallback_256;
1.189 nicm 2013:
1.204 nicm 2014: /*
2015: * If the terminfo entry has 256 colours and setaf and setab
2016: * exist, assume that they work correctly.
2017: */
2018: if (tty->term->flags & TERM_256COLOURS) {
2019: if (*type == '3') {
2020: if (!tty_term_has(tty->term, TTYC_SETAF))
2021: goto fallback_256;
2022: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2023: } else {
2024: if (!tty_term_has(tty->term, TTYC_SETAB))
2025: goto fallback_256;
2026: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2027: }
2028: return (0);
1.188 nicm 2029: }
1.204 nicm 2030: goto fallback_256;
2031: }
2032:
2033: if (colour & COLOUR_FLAG_RGB) {
2034: if (!tty_term_flag(tty->term, TTYC_TC))
2035: return (-1);
2036:
2037: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
2038: xsnprintf(s, sizeof s, "\033[%s;2;%hhu;%hhu;%hhum", type,
2039: r, g, b);
2040: tty_puts(tty, s);
1.165 nicm 2041: return (0);
2042: }
1.61 nicm 2043:
1.165 nicm 2044: return (-1);
1.188 nicm 2045:
1.204 nicm 2046: fallback_256:
2047: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.188 nicm 2048: tty_puts(tty, s);
2049: return (0);
1.176 nicm 2050: }
2051:
1.207 nicm 2052: static void
1.176 nicm 2053: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
2054: {
1.203 nicm 2055: struct window *w = wp->window;
2056: struct options *oo = w->options;
2057: const struct grid_cell *agc, *pgc, *wgc;
1.223 nicm 2058: int c;
1.203 nicm 2059:
2060: if (w->flags & WINDOW_STYLECHANGED) {
2061: w->flags &= ~WINDOW_STYLECHANGED;
2062: agc = options_get_style(oo, "window-active-style");
2063: memcpy(&w->active_style, agc, sizeof w->active_style);
2064: wgc = options_get_style(oo, "window-style");
2065: memcpy(&w->style, wgc, sizeof w->style);
2066: } else {
2067: agc = &w->active_style;
2068: wgc = &w->style;
2069: }
1.176 nicm 2070: pgc = &wp->colgc;
2071:
1.204 nicm 2072: if (gc->fg == 8) {
2073: if (pgc->fg != 8)
1.176 nicm 2074: gc->fg = pgc->fg;
1.204 nicm 2075: else if (wp == w->active && agc->fg != 8)
1.176 nicm 2076: gc->fg = agc->fg;
1.204 nicm 2077: else
1.176 nicm 2078: gc->fg = wgc->fg;
1.219 nicm 2079:
1.223 nicm 2080: if (gc->fg != 8 &&
2081: (c = window_pane_get_palette(wp, gc->fg)) != -1)
2082: gc->fg = c;
1.176 nicm 2083: }
2084:
1.204 nicm 2085: if (gc->bg == 8) {
2086: if (pgc->bg != 8)
1.176 nicm 2087: gc->bg = pgc->bg;
1.204 nicm 2088: else if (wp == w->active && agc->bg != 8)
1.176 nicm 2089: gc->bg = agc->bg;
1.204 nicm 2090: else
1.176 nicm 2091: gc->bg = wgc->bg;
1.219 nicm 2092:
1.223 nicm 2093: if (gc->bg != 8 &&
2094: (c = window_pane_get_palette(wp, gc->bg)) != -1)
2095: gc->bg = c;
1.176 nicm 2096: }
1.210 nicm 2097: }
2098:
2099: static void
2100: tty_default_attributes(struct tty *tty, const struct window_pane *wp, u_int bg)
2101: {
2102: static struct grid_cell gc;
2103:
2104: memcpy(&gc, &grid_default_cell, sizeof gc);
2105: gc.bg = bg;
2106: tty_attributes(tty, &gc, wp);
1.1 nicm 2107: }
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