Annotation of src/usr.bin/tmux/tty.c, Revision 1.344
1.344 ! nicm 1: /* $OpenBSD: tty.c,v 1.343 2020/03/16 09:18:47 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 *);
1.317 nicm 48: static void tty_check_fg(struct tty *, struct window_pane *,
1.219 nicm 49: struct grid_cell *);
1.317 nicm 50: static void tty_check_bg(struct tty *, struct window_pane *,
1.219 nicm 51: struct grid_cell *);
1.328 nicm 52: static void tty_check_us(struct tty *, struct window_pane *,
53: struct grid_cell *);
1.207 nicm 54: static void tty_colours_fg(struct tty *, const struct grid_cell *);
55: static void tty_colours_bg(struct tty *, const struct grid_cell *);
1.328 nicm 56: static void tty_colours_us(struct tty *, const struct grid_cell *);
1.207 nicm 57:
1.208 nicm 58: static void tty_region_pane(struct tty *, const struct tty_ctx *, u_int,
59: u_int);
1.214 nicm 60: static void tty_region(struct tty *, u_int, u_int);
1.212 nicm 61: static void tty_margin_pane(struct tty *, const struct tty_ctx *);
1.214 nicm 62: static void tty_margin(struct tty *, u_int, u_int);
1.207 nicm 63: static int tty_large_region(struct tty *, const struct tty_ctx *);
1.317 nicm 64: static int tty_fake_bce(const struct tty *, struct window_pane *, u_int);
1.207 nicm 65: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
66: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
67: enum tty_code_code, u_int);
68: static void tty_repeat_space(struct tty *, u_int);
1.309 nicm 69: static void tty_draw_pane(struct tty *, const struct tty_ctx *, u_int);
1.207 nicm 70: static void tty_cell(struct tty *, const struct grid_cell *,
1.317 nicm 71: struct window_pane *);
72: static void tty_default_colours(struct grid_cell *, struct window_pane *);
73: static void tty_default_attributes(struct tty *, struct window_pane *,
1.210 nicm 74: u_int);
1.1 nicm 75:
1.212 nicm 76: #define tty_use_margin(tty) \
1.337 nicm 77: ((tty->term->flags|tty->term_flags) & TERM_DECSLRM)
1.90 nicm 78:
1.264 nicm 79: #define tty_pane_full_width(tty, ctx) \
1.132 nicm 80: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
81:
1.266 nicm 82: #define TTY_BLOCK_INTERVAL (100000 /* 100 milliseconds */)
83: #define TTY_BLOCK_START(tty) (1 + ((tty)->sx * (tty)->sy) * 8)
84: #define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
85:
1.192 nicm 86: void
87: tty_create_log(void)
88: {
89: char name[64];
90:
91: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
92:
93: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
94: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
95: fatal("fcntl failed");
96: }
97:
1.185 nicm 98: int
1.136 nicm 99: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 100: {
1.185 nicm 101: if (!isatty(fd))
102: return (-1);
103:
1.30 nicm 104: memset(tty, 0, sizeof *tty);
1.22 nicm 105:
1.9 nicm 106: if (term == NULL || *term == '\0')
1.220 nicm 107: tty->term_name = xstrdup("unknown");
1.1 nicm 108: else
1.220 nicm 109: tty->term_name = xstrdup(term);
1.258 nicm 110:
1.30 nicm 111: tty->fd = fd;
1.136 nicm 112: tty->client = c;
1.30 nicm 113:
1.108 nicm 114: tty->cstyle = 0;
1.107 nicm 115: tty->ccolour = xstrdup("");
1.30 nicm 116:
1.1 nicm 117: tty->flags = 0;
118: tty->term_flags = 0;
1.185 nicm 119:
120: return (0);
1.31 nicm 121: }
122:
1.287 nicm 123: void
1.31 nicm 124: tty_resize(struct tty *tty)
125: {
1.258 nicm 126: struct client *c = tty->client;
127: struct winsize ws;
1.334 nicm 128: u_int sx, sy, xpixel, ypixel;
1.31 nicm 129:
130: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 131: sx = ws.ws_col;
1.334 nicm 132: if (sx == 0) {
1.88 nicm 133: sx = 80;
1.334 nicm 134: xpixel = 0;
135: } else
136: xpixel = ws.ws_xpixel / sx;
1.88 nicm 137: sy = ws.ws_row;
1.334 nicm 138: if (sy == 0) {
1.88 nicm 139: sy = 24;
1.334 nicm 140: ypixel = 0;
141: } else
142: ypixel = ws.ws_ypixel / sy;
1.88 nicm 143: } else {
144: sx = 80;
145: sy = 24;
1.334 nicm 146: xpixel = 0;
147: ypixel = 0;
1.31 nicm 148: }
1.334 nicm 149: log_debug("%s: %s now %ux%u (%ux%u)", __func__, c->name, sx, sy,
150: xpixel, ypixel);
151: tty_set_size(tty, sx, sy, xpixel, ypixel);
1.242 nicm 152: tty_invalidate(tty);
1.114 nicm 153: }
154:
1.287 nicm 155: void
1.334 nicm 156: tty_set_size(struct tty *tty, u_int sx, u_int sy, u_int xpixel, u_int ypixel)
1.212 nicm 157: {
1.114 nicm 158: tty->sx = sx;
159: tty->sy = sy;
1.334 nicm 160: tty->xpixel = xpixel;
161: tty->ypixel = ypixel;
1.1 nicm 162: }
163:
1.244 nicm 164: static void
165: tty_read_callback(__unused int fd, __unused short events, void *data)
166: {
167: struct tty *tty = data;
1.258 nicm 168: struct client *c = tty->client;
1.244 nicm 169: size_t size = EVBUFFER_LENGTH(tty->in);
170: int nread;
171:
172: nread = evbuffer_read(tty->in, tty->fd, -1);
1.295 nicm 173: if (nread == 0 || nread == -1) {
1.290 nicm 174: event_del(&tty->event_in);
1.295 nicm 175: server_client_lost(tty->client);
1.244 nicm 176: return;
1.290 nicm 177: }
1.258 nicm 178: log_debug("%s: read %d bytes (already %zu)", c->name, nread, size);
1.244 nicm 179:
180: while (tty_keys_next(tty))
181: ;
182: }
183:
184: static void
1.266 nicm 185: tty_timer_callback(__unused int fd, __unused short events, void *data)
186: {
187: struct tty *tty = data;
188: struct client *c = tty->client;
189: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
190:
191: log_debug("%s: %zu discarded", c->name, tty->discarded);
192:
1.305 nicm 193: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.266 nicm 194: c->discarded += tty->discarded;
195:
196: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
197: tty->flags &= ~TTY_BLOCK;
198: tty_invalidate(tty);
199: return;
200: }
201: tty->discarded = 0;
202: evtimer_add(&tty->timer, &tv);
203: }
204:
205: static int
206: tty_block_maybe(struct tty *tty)
207: {
208: struct client *c = tty->client;
209: size_t size = EVBUFFER_LENGTH(tty->out);
210: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
211:
212: if (size < TTY_BLOCK_START(tty))
213: return (0);
214:
215: if (tty->flags & TTY_BLOCK)
216: return (1);
217: tty->flags |= TTY_BLOCK;
218:
219: log_debug("%s: can't keep up, %zu discarded", c->name, size);
220:
221: evbuffer_drain(tty->out, size);
222: c->discarded += size;
223:
224: tty->discarded = 0;
225: evtimer_add(&tty->timer, &tv);
226: return (1);
227: }
228:
229: static void
1.244 nicm 230: tty_write_callback(__unused int fd, __unused short events, void *data)
231: {
1.246 nicm 232: struct tty *tty = data;
1.258 nicm 233: struct client *c = tty->client;
1.246 nicm 234: size_t size = EVBUFFER_LENGTH(tty->out);
235: int nwrite;
1.244 nicm 236:
237: nwrite = evbuffer_write(tty->out, tty->fd);
238: if (nwrite == -1)
239: return;
1.258 nicm 240: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 241:
1.270 nicm 242: if (c->redraw > 0) {
243: if ((size_t)nwrite >= c->redraw)
244: c->redraw = 0;
245: else
246: c->redraw -= nwrite;
247: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
248: c->redraw);
249: } else if (tty_block_maybe(tty))
1.266 nicm 250: return;
251:
1.247 nicm 252: if (EVBUFFER_LENGTH(tty->out) != 0)
253: event_add(&tty->event_out, NULL);
1.244 nicm 254: }
255:
1.1 nicm 256: int
1.166 nicm 257: tty_open(struct tty *tty, char **cause)
1.1 nicm 258: {
1.220 nicm 259: tty->term = tty_term_find(tty->term_name, tty->fd, cause);
1.21 nicm 260: if (tty->term == NULL) {
261: tty_close(tty);
262: return (-1);
263: }
264: tty->flags |= TTY_OPENED;
1.1 nicm 265:
1.266 nicm 266: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 267:
268: event_set(&tty->event_in, tty->fd, EV_PERSIST|EV_READ,
269: tty_read_callback, tty);
270: tty->in = evbuffer_new();
1.311 nicm 271: if (tty->in == NULL)
272: fatal("out of memory");
1.1 nicm 273:
1.244 nicm 274: event_set(&tty->event_out, tty->fd, EV_WRITE, tty_write_callback, tty);
275: tty->out = evbuffer_new();
1.311 nicm 276: if (tty->out == NULL)
277: fatal("out of memory");
1.1 nicm 278:
1.266 nicm 279: evtimer_set(&tty->timer, tty_timer_callback, tty);
280:
1.1 nicm 281: tty_start_tty(tty);
282:
1.148 nicm 283: tty_keys_build(tty);
1.1 nicm 284:
285: return (0);
286: }
287:
1.340 nicm 288: static void
289: tty_start_timer_callback(__unused int fd, __unused short events, void *data)
290: {
291: struct tty *tty = data;
292: struct client *c = tty->client;
293:
294: log_debug("%s: start timer fired", c->name);
295: tty->flags |= (TTY_HAVEDA|TTY_HAVEDSR);
296: }
297:
1.244 nicm 298: void
299: tty_start_tty(struct tty *tty)
1.1 nicm 300: {
1.285 nicm 301: struct client *c = tty->client;
302: struct termios tio;
1.340 nicm 303: struct timeval tv = { .tv_sec = 1 };
1.33 nicm 304:
1.244 nicm 305: if (tty->fd != -1 && tcgetattr(tty->fd, &tty->tio) == 0) {
306: setblocking(tty->fd, 0);
307: event_add(&tty->event_in, NULL);
308:
309: memcpy(&tio, &tty->tio, sizeof tio);
310: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
311: tio.c_iflag |= IGNBRK;
312: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
313: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
314: ECHOPRT|ECHOKE|ISIG);
315: tio.c_cc[VMIN] = 1;
316: tio.c_cc[VTIME] = 0;
317: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
318: tcflush(tty->fd, TCIOFLUSH);
319: }
1.1 nicm 320:
1.10 nicm 321: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 322:
1.252 nicm 323: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 324: tty_putcode(tty, TTYC_CLEAR);
325:
326: if (tty_acs_needed(tty)) {
327: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 328: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 329: } else
330: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 331:
332: tty_putcode(tty, TTYC_CNORM);
1.343 nicm 333: if (tty_term_has(tty->term, TTYC_KMOUS)) {
334: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1003l");
335: tty_puts(tty, "\033[?1006l\033[?1005l");
336: }
1.121 nicm 337:
1.189 nicm 338: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 339: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 340: tty->flags |= TTY_FOCUS;
341: tty_puts(tty, "\033[?1004h");
342: }
1.342 nicm 343: if (~tty->flags & TTY_HAVEDA)
344: tty_puts(tty, "\033[c");
345: if (~tty->flags & TTY_HAVEDSR)
346: tty_puts(tty, "\033[1337n");
1.339 nicm 347: } else
348: tty->flags |= (TTY_HAVEDA|TTY_HAVEDSR);
1.1 nicm 349:
1.340 nicm 350: evtimer_set(&tty->start_timer, tty_start_timer_callback, tty);
351: evtimer_add(&tty->start_timer, &tv);
352:
1.20 nicm 353: tty->flags |= TTY_STARTED;
1.242 nicm 354: tty_invalidate(tty);
1.107 nicm 355:
1.336 nicm 356: if (*tty->ccolour != '\0')
357: tty_force_cursor_colour(tty, "");
1.177 nicm 358:
359: tty->mouse_drag_flag = 0;
360: tty->mouse_drag_update = NULL;
361: tty->mouse_drag_release = NULL;
1.128 nicm 362: }
363:
364: void
1.1 nicm 365: tty_stop_tty(struct tty *tty)
366: {
367: struct winsize ws;
368:
1.20 nicm 369: if (!(tty->flags & TTY_STARTED))
370: return;
371: tty->flags &= ~TTY_STARTED;
1.340 nicm 372:
373: evtimer_del(&tty->start_timer);
1.20 nicm 374:
1.266 nicm 375: event_del(&tty->timer);
376: tty->flags &= ~TTY_BLOCK;
377:
1.244 nicm 378: event_del(&tty->event_in);
379: event_del(&tty->event_out);
1.66 nicm 380:
1.1 nicm 381: /*
382: * Be flexible about error handling and try not kill the server just
383: * because the fd is invalid. Things like ssh -t can easily leave us
384: * with a dead tty.
385: */
386: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
387: return;
388: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
389: return;
390:
391: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 392: if (tty_acs_needed(tty))
1.90 nicm 393: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 394: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
395: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
396: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 397: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
398: if (tty_term_has(tty->term, TTYC_SE))
399: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 400: else
1.160 nicm 401: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 402: }
1.173 nicm 403: if (tty->mode & MODE_BRACKETPASTE)
404: tty_raw(tty, "\033[?2004l");
1.336 nicm 405: if (*tty->ccolour != '\0')
406: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 407:
408: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
1.343 nicm 409: if (tty_term_has(tty->term, TTYC_KMOUS)) {
410: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1003l");
411: tty_raw(tty, "\033[?1006l\033[?1005l");
412: }
1.151 nicm 413:
1.189 nicm 414: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 415: if (tty->flags & TTY_FOCUS) {
416: tty->flags &= ~TTY_FOCUS;
1.172 nicm 417: tty_raw(tty, "\033[?1004l");
1.162 nicm 418: }
419: }
1.10 nicm 420:
1.212 nicm 421: if (tty_use_margin(tty))
422: tty_raw(tty, "\033[?69l"); /* DECLRMM */
1.10 nicm 423: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 424:
425: setblocking(tty->fd, 1);
1.1 nicm 426: }
427:
428: void
1.20 nicm 429: tty_close(struct tty *tty)
1.1 nicm 430: {
1.123 nicm 431: if (event_initialized(&tty->key_timer))
432: evtimer_del(&tty->key_timer);
1.20 nicm 433: tty_stop_tty(tty);
1.1 nicm 434:
1.21 nicm 435: if (tty->flags & TTY_OPENED) {
1.244 nicm 436: evbuffer_free(tty->in);
437: event_del(&tty->event_in);
438: evbuffer_free(tty->out);
439: event_del(&tty->event_out);
1.66 nicm 440:
1.21 nicm 441: tty_term_free(tty->term);
442: tty_keys_free(tty);
443:
444: tty->flags &= ~TTY_OPENED;
445: }
1.1 nicm 446:
1.21 nicm 447: if (tty->fd != -1) {
448: close(tty->fd);
449: tty->fd = -1;
450: }
1.1 nicm 451: }
452:
453: void
1.20 nicm 454: tty_free(struct tty *tty)
1.1 nicm 455: {
1.20 nicm 456: tty_close(tty);
1.1 nicm 457:
1.138 nicm 458: free(tty->ccolour);
1.220 nicm 459: free(tty->term_name);
1.1 nicm 460: }
461:
462: void
1.337 nicm 463: tty_set_flags(struct tty *tty, int flags)
1.212 nicm 464: {
1.337 nicm 465: tty->term_flags |= flags;
1.212 nicm 466:
467: if (tty_use_margin(tty))
468: tty_puts(tty, "\033[?69h"); /* DECLRMM */
469: }
470:
471: void
1.1 nicm 472: tty_raw(struct tty *tty, const char *s)
473: {
1.150 nicm 474: ssize_t n, slen;
475: u_int i;
476:
477: slen = strlen(s);
478: for (i = 0; i < 5; i++) {
479: n = write(tty->fd, s, slen);
480: if (n >= 0) {
481: s += n;
482: slen -= n;
483: if (slen == 0)
484: break;
485: } else if (n == -1 && errno != EAGAIN)
486: break;
487: usleep(100);
488: }
1.1 nicm 489: }
490:
491: void
492: tty_putcode(struct tty *tty, enum tty_code_code code)
493: {
494: tty_puts(tty, tty_term_string(tty->term, code));
495: }
496:
497: void
498: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
499: {
500: if (a < 0)
501: return;
502: tty_puts(tty, tty_term_string1(tty->term, code, a));
503: }
504:
505: void
506: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
507: {
508: if (a < 0 || b < 0)
509: return;
510: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
511: }
512:
513: void
1.286 nicm 514: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
515: {
516: if (a < 0 || b < 0 || c < 0)
517: return;
518: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
519: }
520:
521: void
1.107 nicm 522: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
523: {
524: if (a != NULL)
525: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
526: }
527:
528: void
1.167 nicm 529: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
530: const void *b)
1.106 nicm 531: {
532: if (a != NULL && b != NULL)
533: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
534: }
535:
1.243 nicm 536: static void
537: tty_add(struct tty *tty, const char *buf, size_t len)
538: {
1.258 nicm 539: struct client *c = tty->client;
540:
1.266 nicm 541: if (tty->flags & TTY_BLOCK) {
542: tty->discarded += len;
543: return;
544: }
545:
1.244 nicm 546: evbuffer_add(tty->out, buf, len);
1.270 nicm 547: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 548: c->written += len;
1.243 nicm 549:
550: if (tty_log_fd != -1)
551: write(tty_log_fd, buf, len);
1.244 nicm 552: if (tty->flags & TTY_STARTED)
553: event_add(&tty->event_out, NULL);
1.243 nicm 554: }
555:
1.106 nicm 556: void
1.1 nicm 557: tty_puts(struct tty *tty, const char *s)
558: {
1.243 nicm 559: if (*s != '\0')
560: tty_add(tty, s, strlen(s));
1.1 nicm 561: }
562:
563: void
564: tty_putc(struct tty *tty, u_char ch)
565: {
1.90 nicm 566: const char *acs;
1.1 nicm 567:
1.337 nicm 568: if ((tty->term->flags & TERM_NOXENL) &&
1.325 nicm 569: ch >= 0x20 && ch != 0x7f &&
570: tty->cy == tty->sy - 1 &&
571: tty->cx + 1 >= tty->sx)
572: return;
573:
1.90 nicm 574: if (tty->cell.attr & GRID_ATTR_CHARSET) {
575: acs = tty_acs_get(tty, ch);
1.243 nicm 576: if (acs != NULL)
577: tty_add(tty, acs, strlen(acs));
578: else
579: tty_add(tty, &ch, 1);
580: } else
581: tty_add(tty, &ch, 1);
1.1 nicm 582:
583: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 584: if (tty->cx >= tty->sx) {
1.46 nicm 585: tty->cx = 1;
586: if (tty->cy != tty->rlower)
587: tty->cy++;
1.211 nicm 588:
589: /*
590: * On !xenl terminals, force the cursor position to
591: * where we think it should be after a line wrap - this
592: * means it works on sensible terminals as well.
593: */
1.337 nicm 594: if (tty->term->flags & TERM_NOXENL)
1.211 nicm 595: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 596: } else
597: tty->cx++;
598: }
599: }
600:
601: void
1.147 nicm 602: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 603: {
1.337 nicm 604: if ((tty->term->flags & TERM_NOXENL) &&
1.325 nicm 605: tty->cy == tty->sy - 1 &&
606: tty->cx + len >= tty->sx)
607: len = tty->sx - tty->cx - 1;
608:
1.243 nicm 609: tty_add(tty, buf, len);
1.268 nicm 610: if (tty->cx + width > tty->sx) {
611: tty->cx = (tty->cx + width) - tty->sx;
612: if (tty->cx <= tty->sx)
613: tty->cy++;
614: else
615: tty->cx = tty->cy = UINT_MAX;
616: } else
1.254 nicm 617: tty->cx += width;
1.5 nicm 618: }
619:
1.207 nicm 620: static void
1.180 nicm 621: tty_set_italics(struct tty *tty)
622: {
623: const char *s;
624:
625: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 626: s = options_get_string(global_options, "default-terminal");
1.180 nicm 627: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
628: tty_putcode(tty, TTYC_SITM);
629: return;
630: }
631: }
632: tty_putcode(tty, TTYC_SMSO);
633: }
634:
635: void
1.1 nicm 636: tty_set_title(struct tty *tty, const char *title)
637: {
1.105 nicm 638: if (!tty_term_has(tty->term, TTYC_TSL) ||
639: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 640: return;
641:
1.105 nicm 642: tty_putcode(tty, TTYC_TSL);
1.1 nicm 643: tty_puts(tty, title);
1.105 nicm 644: tty_putcode(tty, TTYC_FSL);
1.1 nicm 645: }
646:
1.208 nicm 647: static void
1.107 nicm 648: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
649: {
650: if (*ccolour == '\0')
651: tty_putcode(tty, TTYC_CR);
652: else
1.160 nicm 653: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 654: free(tty->ccolour);
1.107 nicm 655: tty->ccolour = xstrdup(ccolour);
656: }
657:
658: void
659: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 660: {
1.344 ! nicm 661: struct client *c = tty->client;
! 662: int changed;
1.1 nicm 663:
1.197 nicm 664: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 665: tty_force_cursor_colour(tty, s->ccolour);
666:
1.1 nicm 667: if (tty->flags & TTY_NOCURSOR)
668: mode &= ~MODE_CURSOR;
669:
670: changed = mode ^ tty->mode;
1.344 ! nicm 671: if (changed == 0)
! 672: return;
! 673: log_debug("%s: update mode %x to %x", c->name, tty->mode, mode);
! 674:
1.183 nicm 675: if (changed & MODE_BLINKING) {
676: if (tty_term_has(tty->term, TTYC_CVVIS))
677: tty_putcode(tty, TTYC_CVVIS);
678: else
679: tty_putcode(tty, TTYC_CNORM);
680: changed |= MODE_CURSOR;
681: }
682: if (changed & MODE_CURSOR) {
683: if (mode & MODE_CURSOR)
684: tty_putcode(tty, TTYC_CNORM);
685: else
1.1 nicm 686: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 687: }
1.181 nicm 688: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 689: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 690: if (s->cstyle == 0 &&
1.160 nicm 691: tty_term_has(tty->term, TTYC_SE))
692: tty_putcode(tty, TTYC_SE);
1.108 nicm 693: else
1.160 nicm 694: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 695: }
696: tty->cstyle = s->cstyle;
1.1 nicm 697: }
1.344 ! nicm 698: if ((changed & ALL_MOUSE_MODES) &&
! 699: tty_term_has(tty->term, TTYC_KMOUS)) {
! 700: if ((mode & ALL_MOUSE_MODES) == 0)
! 701: tty_puts(tty, "\033[?1006l");
! 702: if ((changed & MODE_MOUSE_STANDARD) &&
! 703: (~mode & MODE_MOUSE_STANDARD))
! 704: tty_puts(tty, "\033[?1000l");
! 705: if ((changed & MODE_MOUSE_BUTTON) &&
! 706: (~mode & MODE_MOUSE_BUTTON))
! 707: tty_puts(tty, "\033[?1002l");
! 708: if ((changed & MODE_MOUSE_ALL) &&
! 709: (~mode & MODE_MOUSE_ALL))
! 710: tty_puts(tty, "\033[?1003l");
! 711:
! 712: if (mode & ALL_MOUSE_MODES)
1.153 nicm 713: tty_puts(tty, "\033[?1006h");
1.344 ! nicm 714: if ((changed & MODE_MOUSE_STANDARD) &&
! 715: (mode & MODE_MOUSE_STANDARD))
! 716: tty_puts(tty, "\033[?1000h");
! 717: if ((changed & MODE_MOUSE_BUTTON) &&
! 718: (mode & MODE_MOUSE_BUTTON))
! 719: tty_puts(tty, "\033[?1002h");
! 720: if ((changed & MODE_MOUSE_ALL) &&
! 721: (mode & MODE_MOUSE_ALL))
! 722: tty_puts(tty, "\033[?1003h");
1.115 nicm 723: }
724: if (changed & MODE_BRACKETPASTE) {
725: if (mode & MODE_BRACKETPASTE)
726: tty_puts(tty, "\033[?2004h");
727: else
728: tty_puts(tty, "\033[?2004l");
1.1 nicm 729: }
730: tty->mode = mode;
731: }
732:
1.207 nicm 733: static void
1.168 nicm 734: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
735: enum tty_code_code code1, u_int n)
1.1 nicm 736: {
737: if (tty_term_has(tty->term, code))
738: tty_putcode1(tty, code, n);
739: else {
740: while (n-- > 0)
741: tty_putcode(tty, code1);
742: }
743: }
744:
1.207 nicm 745: static void
1.133 nicm 746: tty_repeat_space(struct tty *tty, u_int n)
747: {
1.257 nicm 748: static char s[500];
749:
750: if (*s != ' ')
751: memset(s, ' ', sizeof s);
752:
753: while (n > sizeof s) {
754: tty_putn(tty, s, sizeof s, sizeof s);
755: n -= sizeof s;
756: }
757: if (n != 0)
758: tty_putn(tty, s, n, n);
1.304 nicm 759: }
760:
1.309 nicm 761: /* Is this window bigger than the terminal? */
762: int
763: tty_window_bigger(struct tty *tty)
764: {
765: struct client *c = tty->client;
766: struct window *w = c->session->curw->window;
767:
768: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
769: }
770:
771: /* What offset should this window be drawn at? */
772: int
773: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
774: {
775: *ox = tty->oox;
776: *oy = tty->ooy;
777: *sx = tty->osx;
778: *sy = tty->osy;
779:
780: return (tty->oflag);
781: }
782:
783: /* What offset should this window be drawn at? */
784: static int
785: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
786: {
787: struct client *c = tty->client;
788: struct window *w = c->session->curw->window;
789: struct window_pane *wp = w->active;
790: u_int cx, cy, lines;
791:
792: lines = status_line_size(c);
793:
794: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
795: *ox = 0;
796: *oy = 0;
797: *sx = w->sx;
798: *sy = w->sy;
799:
800: c->pan_window = NULL;
801: return (0);
802: }
803:
804: *sx = tty->sx;
805: *sy = tty->sy - lines;
806:
807: if (c->pan_window == w) {
808: if (*sx >= w->sx)
809: c->pan_ox = 0;
810: else if (c->pan_ox + *sx > w->sx)
811: c->pan_ox = w->sx - *sx;
812: *ox = c->pan_ox;
813: if (*sy >= w->sy)
814: c->pan_oy = 0;
815: else if (c->pan_oy + *sy > w->sy)
816: c->pan_oy = w->sy - *sy;
817: *oy = c->pan_oy;
818: return (1);
819: }
820:
821: if (~wp->screen->mode & MODE_CURSOR) {
822: *ox = 0;
823: *oy = 0;
824: } else {
825: cx = wp->xoff + wp->screen->cx;
826: cy = wp->yoff + wp->screen->cy;
827:
828: if (cx < *sx)
829: *ox = 0;
830: else if (cx > w->sx - *sx)
831: *ox = w->sx - *sx;
832: else
833: *ox = cx - *sx / 2;
834:
835: if (cy < *sy)
836: *oy = 0;
837: else if (cy > w->sy - *sy)
838: *oy = w->sy - *sy;
839: else
840: *oy = cy - *sy / 2;
841: }
842:
843: c->pan_window = NULL;
844: return (1);
845: }
846:
847: /* Update stored offsets for a window and redraw if necessary. */
848: void
849: tty_update_window_offset(struct window *w)
850: {
851: struct client *c;
852:
853: TAILQ_FOREACH(c, &clients, entry) {
854: if (c->session != NULL && c->session->curw->window == w)
855: tty_update_client_offset(c);
856: }
857: }
858:
859: /* Update stored offsets for a client and redraw if necessary. */
860: void
861: tty_update_client_offset(struct client *c)
1.304 nicm 862: {
1.309 nicm 863: u_int ox, oy, sx, sy;
1.314 nicm 864:
865: if (~c->flags & CLIENT_TERMINAL)
866: return;
1.304 nicm 867:
1.309 nicm 868: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
869: if (ox == c->tty.oox &&
870: oy == c->tty.ooy &&
871: sx == c->tty.osx &&
872: sy == c->tty.osy)
873: return;
874:
875: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
876: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
877: ox, oy, sx, sy);
878:
879: c->tty.oox = ox;
880: c->tty.ooy = oy;
881: c->tty.osx = sx;
882: c->tty.osy = sy;
883:
884: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 885: }
886:
1.1 nicm 887: /*
1.119 nicm 888: * Is the region large enough to be worth redrawing once later rather than
889: * probably several times now? Currently yes if it is more than 50% of the
890: * pane.
891: */
1.207 nicm 892: static int
1.194 nicm 893: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 894: {
895: struct window_pane *wp = ctx->wp;
896:
897: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
898: }
899:
900: /*
1.176 nicm 901: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
902: * emulated.
903: */
1.207 nicm 904: static int
1.317 nicm 905: tty_fake_bce(const struct tty *tty, struct window_pane *wp, u_int bg)
1.176 nicm 906: {
907: struct grid_cell gc;
908:
1.210 nicm 909: if (tty_term_flag(tty->term, TTYC_BCE))
910: return (0);
911:
1.176 nicm 912: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 913: if (wp != NULL)
914: tty_default_colours(&gc, wp);
1.176 nicm 915:
1.310 nicm 916: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc.bg))
1.210 nicm 917: return (1);
918: return (0);
1.176 nicm 919: }
920:
921: /*
1.1 nicm 922: * Redraw scroll region using data from screen (already updated). Used when
923: * CSR not supported, or window is a pane that doesn't take up the full
924: * width of the terminal.
925: */
1.207 nicm 926: static void
1.24 nicm 927: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 928: {
1.14 nicm 929: struct window_pane *wp = ctx->wp;
930: struct screen *s = wp->screen;
1.204 nicm 931: u_int i;
1.1 nicm 932:
933: /*
1.119 nicm 934: * If region is large, schedule a window redraw. In most cases this is
935: * likely to be followed by some more scrolling.
1.1 nicm 936: */
1.119 nicm 937: if (tty_large_region(tty, ctx)) {
1.1 nicm 938: wp->flags |= PANE_REDRAW;
939: return;
940: }
941:
1.14 nicm 942: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
943: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.309 nicm 944: tty_draw_pane(tty, ctx, i);
1.1 nicm 945: } else {
1.14 nicm 946: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.309 nicm 947: tty_draw_pane(tty, ctx, i);
1.1 nicm 948: }
949: }
950:
1.309 nicm 951: /* Is this position visible in the pane? */
952: static int
953: tty_is_visible(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
954: u_int nx, u_int ny)
955: {
956: u_int xoff = ctx->xoff + px, yoff = ctx->yoff + py, lines;
957:
958: if (!ctx->bigger)
959: return (1);
960:
961: if (status_at_line(tty->client) == 0)
962: lines = status_line_size(tty->client);
963: else
964: lines = 0;
965:
966: if (xoff + nx <= ctx->ox || xoff >= ctx->ox + ctx->sx ||
1.320 nicm 967: yoff + ny <= ctx->oy || yoff >= lines + ctx->oy + ctx->sy)
1.309 nicm 968: return (0);
969: return (1);
970: }
971:
972: /* Clamp line position to visible part of pane. */
973: static int
974: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
975: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
976: {
977: struct window_pane *wp = ctx->wp;
978: u_int xoff = wp->xoff + px;
979:
980: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
981: return (0);
982: *ry = ctx->yoff + py - ctx->oy;
983:
984: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
985: /* All visible. */
986: *i = 0;
987: *x = ctx->xoff + px - ctx->ox;
988: *rx = nx;
989: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
990: /* Both left and right not visible. */
991: *i = ctx->ox;
992: *x = 0;
993: *rx = ctx->sx;
994: } else if (xoff < ctx->ox) {
995: /* Left not visible. */
996: *i = ctx->ox - (ctx->xoff + px);
997: *x = 0;
998: *rx = nx - *i;
999: } else {
1000: /* Right not visible. */
1001: *i = 0;
1002: *x = (ctx->xoff + px) - ctx->ox;
1003: *rx = ctx->sx - *x;
1004: }
1005: if (*rx > nx)
1006: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1007:
1008: return (1);
1009: }
1010:
1011: /* Clear a line. */
1.271 nicm 1012: static void
1.317 nicm 1013: tty_clear_line(struct tty *tty, struct window_pane *wp, u_int py, u_int px,
1014: u_int nx, u_int bg)
1.271 nicm 1015: {
1.309 nicm 1016: struct client *c = tty->client;
1017:
1018: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1019:
1020: /* Nothing to clear. */
1021: if (nx == 0)
1022: return;
1023:
1024: /* If genuine BCE is available, can try escape sequences. */
1025: if (!tty_fake_bce(tty, wp, bg)) {
1026: /* Off the end of the line, use EL if available. */
1027: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1028: tty_cursor(tty, px, py);
1029: tty_putcode(tty, TTYC_EL);
1030: return;
1031: }
1032:
1033: /* At the start of the line. Use EL1. */
1034: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1035: tty_cursor(tty, px + nx - 1, py);
1036: tty_putcode(tty, TTYC_EL1);
1037: return;
1038: }
1039:
1040: /* Section of line. Use ECH if possible. */
1041: if (tty_term_has(tty->term, TTYC_ECH)) {
1042: tty_cursor(tty, px, py);
1043: tty_putcode1(tty, TTYC_ECH, nx);
1044: return;
1045: }
1046: }
1047:
1048: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 1049: tty_cursor(tty, px, py);
1.271 nicm 1050: tty_repeat_space(tty, nx);
1051: }
1052:
1.309 nicm 1053: /* Clear a line, adjusting to visible part of pane. */
1054: static void
1055: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1056: u_int px, u_int nx, u_int bg)
1057: {
1058: struct client *c = tty->client;
1059: u_int i, x, rx, ry;
1060:
1061: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1062:
1063: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1064: tty_clear_line(tty, ctx->wp, ry, x, rx, bg);
1065: }
1066:
1067: /* Clamp area position to visible part of pane. */
1068: static int
1069: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1070: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1071: u_int *ry)
1072: {
1073: struct window_pane *wp = ctx->wp;
1074: u_int xoff = wp->xoff + px, yoff = wp->yoff + py;
1075:
1076: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1077: return (0);
1078:
1079: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
1080: /* All visible. */
1081: *i = 0;
1082: *x = ctx->xoff + px - ctx->ox;
1083: *rx = nx;
1084: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
1085: /* Both left and right not visible. */
1086: *i = ctx->ox;
1087: *x = 0;
1088: *rx = ctx->sx;
1089: } else if (xoff < ctx->ox) {
1090: /* Left not visible. */
1091: *i = ctx->ox - (ctx->xoff + px);
1092: *x = 0;
1093: *rx = nx - *i;
1094: } else {
1095: /* Right not visible. */
1096: *i = 0;
1097: *x = (ctx->xoff + px) - ctx->ox;
1098: *rx = ctx->sx - *x;
1099: }
1100: if (*rx > nx)
1101: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1102:
1103: if (yoff >= ctx->oy && yoff + ny <= ctx->oy + ctx->sy) {
1104: /* All visible. */
1105: *j = 0;
1106: *y = ctx->yoff + py - ctx->oy;
1107: *ry = ny;
1108: } else if (yoff < ctx->oy && yoff + ny > ctx->oy + ctx->sy) {
1.327 nicm 1109: /* Both top and bottom not visible. */
1.309 nicm 1110: *j = ctx->oy;
1111: *y = 0;
1112: *ry = ctx->sy;
1113: } else if (yoff < ctx->oy) {
1.327 nicm 1114: /* Top not visible. */
1.309 nicm 1115: *j = ctx->oy - (ctx->yoff + py);
1116: *y = 0;
1117: *ry = ny - *j;
1118: } else {
1.327 nicm 1119: /* Bottom not visible. */
1.309 nicm 1120: *j = 0;
1121: *y = (ctx->yoff + py) - ctx->oy;
1122: *ry = ctx->sy - *y;
1123: }
1124: if (*ry > ny)
1125: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1126:
1127: return (1);
1128: }
1129:
1130: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1131: static void
1.317 nicm 1132: tty_clear_area(struct tty *tty, struct window_pane *wp, u_int py, u_int ny,
1133: u_int px, u_int nx, u_int bg)
1.271 nicm 1134: {
1.309 nicm 1135: struct client *c = tty->client;
1136: u_int yy;
1137: char tmp[64];
1.271 nicm 1138:
1.309 nicm 1139: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1140:
1141: /* Nothing to clear. */
1142: if (nx == 0 || ny == 0)
1143: return;
1144:
1145: /* If genuine BCE is available, can try escape sequences. */
1146: if (!tty_fake_bce(tty, wp, bg)) {
1.276 nicm 1147: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1148: if (px == 0 &&
1149: px + nx >= tty->sx &&
1150: py + ny >= tty->sy &&
1151: tty_term_has(tty->term, TTYC_ED)) {
1152: tty_cursor(tty, 0, py);
1153: tty_putcode(tty, TTYC_ED);
1.274 nicm 1154: return;
1155: }
1156:
1157: /*
1.276 nicm 1158: * On VT420 compatible terminals we can use DECFRA if the
1159: * background colour isn't default (because it doesn't work
1160: * after SGR 0).
1.274 nicm 1161: */
1.337 nicm 1162: if (((tty->term->flags|tty->term_flags) & TERM_DECFRA) &&
1163: !COLOUR_DEFAULT(bg)) {
1.274 nicm 1164: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1165: py + 1, px + 1, py + ny, px + nx);
1166: tty_puts(tty, tmp);
1.276 nicm 1167: return;
1168: }
1169:
1.280 nicm 1170: /* Full lines can be scrolled away to clear them. */
1171: if (px == 0 &&
1.281 nicm 1172: px + nx >= tty->sx &&
1.280 nicm 1173: ny > 2 &&
1174: tty_term_has(tty->term, TTYC_CSR) &&
1175: tty_term_has(tty->term, TTYC_INDN)) {
1176: tty_region(tty, py, py + ny - 1);
1177: tty_margin_off(tty);
1.284 nicm 1178: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1179: return;
1180: }
1181:
1.276 nicm 1182: /*
1183: * If margins are supported, can just scroll the area off to
1184: * clear it.
1185: */
1.277 nicm 1186: if (nx > 2 &&
1187: ny > 2 &&
1.280 nicm 1188: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1189: tty_use_margin(tty) &&
1190: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1191: tty_region(tty, py, py + ny - 1);
1192: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1193: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1194: return;
1195: }
1196: }
1197:
1198: /* Couldn't use an escape sequence, loop over the lines. */
1199: for (yy = py; yy < py + ny; yy++)
1200: tty_clear_line(tty, wp, yy, px, nx, bg);
1201: }
1202:
1.309 nicm 1203: /* Clear an area in a pane. */
1204: static void
1205: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1206: u_int ny, u_int px, u_int nx, u_int bg)
1207: {
1208: u_int i, j, x, y, rx, ry;
1209:
1210: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1211: tty_clear_area(tty, ctx->wp, y, ry, x, rx, bg);
1212: }
1213:
1214: static void
1215: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1216: {
1.309 nicm 1217: struct window_pane *wp = ctx->wp;
1218: struct screen *s = wp->screen;
1219: u_int nx = screen_size_x(s), i, x, rx, ry;
1220:
1221: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1222:
1223: if (!ctx->bigger) {
1224: tty_draw_line(tty, wp, s, 0, py, nx, ctx->xoff, ctx->yoff + py);
1225: return;
1226: }
1227: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry))
1228: tty_draw_line(tty, wp, s, i, py, rx, x, ry);
1.176 nicm 1229: }
1230:
1.298 nicm 1231: static const struct grid_cell *
1232: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1233: {
1234: static struct grid_cell new;
1235: u_int n;
1236:
1237: /* Characters less than 0x7f are always fine, no matter what. */
1238: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1239: return (gc);
1240:
1241: /* UTF-8 terminal and a UTF-8 character - fine. */
1242: if (tty->flags & TTY_UTF8)
1243: return (gc);
1244:
1245: /* Replace by the right number of underscores. */
1246: n = gc->data.width;
1247: if (n > UTF8_SIZE)
1248: n = UTF8_SIZE;
1249: memcpy(&new, gc, sizeof new);
1250: new.data.size = n;
1251: memset(new.data.data, '_', n);
1252: return (&new);
1253: }
1254:
1.176 nicm 1255: void
1.317 nicm 1256: tty_draw_line(struct tty *tty, struct window_pane *wp, struct screen *s,
1257: u_int px, u_int py, u_int nx, u_int atx, u_int aty)
1.1 nicm 1258: {
1.297 nicm 1259: struct grid *gd = s->grid;
1.250 nicm 1260: struct grid_cell gc, last;
1.298 nicm 1261: const struct grid_cell *gcp;
1.309 nicm 1262: struct grid_line *gl;
1263: u_int i, j, ux, sx, width;
1.329 nicm 1264: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1265: char buf[512];
1.315 nicm 1266: size_t len;
1.303 nicm 1267: u_int cellsize;
1.1 nicm 1268:
1.309 nicm 1269: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1270: px, py, nx, atx, aty);
1271:
1272: /*
1273: * py is the line in the screen to draw.
1274: * px is the start x and nx is the width to draw.
1275: * atx,aty is the line on the terminal to draw it.
1276: */
1277:
1.259 nicm 1278: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1279: tty->flags |= TTY_NOCURSOR;
1280: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1281:
1.214 nicm 1282: tty_region_off(tty);
1283: tty_margin_off(tty);
1284:
1.273 nicm 1285: /*
1286: * Clamp the width to cellsize - note this is not cellused, because
1287: * there may be empty background cells after it (from BCE).
1288: */
1.1 nicm 1289: sx = screen_size_x(s);
1.309 nicm 1290: if (nx > sx)
1291: nx = sx;
1.303 nicm 1292: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1293: if (sx > cellsize)
1294: sx = cellsize;
1.1 nicm 1295: if (sx > tty->sx)
1296: sx = tty->sx;
1.309 nicm 1297: if (sx > nx)
1298: sx = nx;
1.292 nicm 1299: ux = 0;
1.1 nicm 1300:
1.309 nicm 1301: if (py == 0)
1302: gl = NULL;
1303: else
1304: gl = grid_get_line(gd, gd->hsize + py - 1);
1.268 nicm 1305: if (wp == NULL ||
1.309 nicm 1306: gl == NULL ||
1307: (~gl->flags & GRID_LINE_WRAPPED) ||
1308: atx != 0 ||
1.268 nicm 1309: tty->cx < tty->sx ||
1.309 nicm 1310: nx < tty->sx) {
1311: if (nx < tty->sx &&
1312: atx == 0 &&
1313: px + sx != nx &&
1.268 nicm 1314: tty_term_has(tty->term, TTYC_EL1) &&
1315: !tty_fake_bce(tty, wp, 8)) {
1316: tty_default_attributes(tty, wp, 8);
1.309 nicm 1317: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1318: tty_putcode(tty, TTYC_EL1);
1319: cleared = 1;
1320: }
1.329 nicm 1321: } else {
1.309 nicm 1322: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1323: wrapped = 1;
1324: }
1.250 nicm 1325:
1326: memcpy(&last, &grid_default_cell, sizeof last);
1327: len = 0;
1328: width = 0;
1.46 nicm 1329:
1.1 nicm 1330: for (i = 0; i < sx; i++) {
1.309 nicm 1331: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1332: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1333: if (len != 0 &&
1.298 nicm 1334: ((gcp->attr & GRID_ATTR_CHARSET) ||
1335: gcp->flags != last.flags ||
1336: gcp->attr != last.attr ||
1337: gcp->fg != last.fg ||
1338: gcp->bg != last.bg ||
1.328 nicm 1339: gcp->us != last.us ||
1.315 nicm 1340: ux + width + gcp->data.width > nx ||
1.298 nicm 1341: (sizeof buf) - len < gcp->data.size)) {
1.316 nicm 1342: tty_attributes(tty, &last, wp);
1.315 nicm 1343: if (last.flags & GRID_FLAG_CLEARED) {
1344: log_debug("%s: %zu cleared", __func__, len);
1345: tty_clear_line(tty, wp, aty, atx + ux, width,
1346: last.bg);
1347: } else {
1.329 nicm 1348: if (!wrapped || atx != 0 || ux != 0)
1349: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1350: tty_putn(tty, buf, len, width);
1351: }
1.292 nicm 1352: ux += width;
1.250 nicm 1353:
1354: len = 0;
1355: width = 0;
1.329 nicm 1356: wrapped = 0;
1.250 nicm 1357: }
1358:
1.298 nicm 1359: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1360: screen_select_cell(s, &last, gcp);
1.250 nicm 1361: else
1.299 nicm 1362: memcpy(&last, gcp, sizeof last);
1.309 nicm 1363: if (ux + gcp->data.width > nx) {
1.299 nicm 1364: tty_attributes(tty, &last, wp);
1.315 nicm 1365: tty_cursor(tty, atx + ux, aty);
1.298 nicm 1366: for (j = 0; j < gcp->data.width; j++) {
1.309 nicm 1367: if (ux + j > nx)
1.297 nicm 1368: break;
1369: tty_putc(tty, ' ');
1370: ux++;
1371: }
1.299 nicm 1372: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1373: tty_attributes(tty, &last, wp);
1.315 nicm 1374: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1375: for (j = 0; j < gcp->data.size; j++)
1376: tty_putc(tty, gcp->data.data[j]);
1377: ux += gc.data.width;
1378: } else {
1.298 nicm 1379: memcpy(buf + len, gcp->data.data, gcp->data.size);
1380: len += gcp->data.size;
1381: width += gcp->data.width;
1.250 nicm 1382: }
1383: }
1.315 nicm 1384: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.316 nicm 1385: tty_attributes(tty, &last, wp);
1.315 nicm 1386: if (last.flags & GRID_FLAG_CLEARED) {
1387: log_debug("%s: %zu cleared (end)", __func__, len);
1388: tty_clear_line(tty, wp, aty, atx + ux, width, last.bg);
1389: } else {
1.329 nicm 1390: if (!wrapped || atx != 0 || ux != 0)
1391: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1392: tty_putn(tty, buf, len, width);
1393: }
1.315 nicm 1394: ux += width;
1.1 nicm 1395: }
1396:
1.309 nicm 1397: if (!cleared && ux < nx) {
1.315 nicm 1398: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1399: nx - ux, len);
1.210 nicm 1400: tty_default_attributes(tty, wp, 8);
1.309 nicm 1401: tty_clear_line(tty, wp, aty, atx + ux, nx - ux, 8);
1.35 nicm 1402: }
1.1 nicm 1403:
1.181 nicm 1404: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1405: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1406: }
1407:
1.201 nicm 1408: static int
1.182 nicm 1409: tty_client_ready(struct client *c, struct window_pane *wp)
1410: {
1411: if (c->session == NULL || c->tty.term == NULL)
1412: return (0);
1.305 nicm 1413: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1414: return (0);
1415: if (c->tty.flags & TTY_FREEZE)
1416: return (0);
1417: if (c->session->curw->window != wp->window)
1418: return (0);
1.309 nicm 1419: if (wp->layout_cell == NULL)
1420: return (0);
1.182 nicm 1421: return (1);
1422: }
1423:
1.15 nicm 1424: void
1.182 nicm 1425: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1426: struct tty_ctx *ctx)
1.15 nicm 1427: {
1428: struct window_pane *wp = ctx->wp;
1429: struct client *c;
1430:
1431: if (wp == NULL)
1432: return;
1.309 nicm 1433: if (wp->flags & (PANE_REDRAW|PANE_DROP))
1.15 nicm 1434: return;
1435:
1.178 nicm 1436: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 1437: if (!tty_client_ready(c, wp))
1.15 nicm 1438: continue;
1439:
1.309 nicm 1440: ctx->bigger = tty_window_offset(&c->tty, &ctx->ox, &ctx->oy,
1441: &ctx->sx, &ctx->sy);
1442:
1.139 nicm 1443: ctx->xoff = wp->xoff;
1444: ctx->yoff = wp->yoff;
1.309 nicm 1445:
1.139 nicm 1446: if (status_at_line(c) == 0)
1.309 nicm 1447: ctx->yoff += status_line_size(c);
1.113 nicm 1448:
1.139 nicm 1449: cmdfn(&c->tty, ctx);
1.1 nicm 1450: }
1451: }
1452:
1453: void
1.24 nicm 1454: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1455: {
1.77 nicm 1456: struct window_pane *wp = ctx->wp;
1.1 nicm 1457:
1.309 nicm 1458: if (ctx->bigger ||
1459: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1460: tty_fake_bce(tty, wp, ctx->bg) ||
1461: (!tty_term_has(tty->term, TTYC_ICH) &&
1462: !tty_term_has(tty->term, TTYC_ICH1))) {
1.309 nicm 1463: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1464: return;
1465: }
1466:
1.210 nicm 1467: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1468:
1.77 nicm 1469: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1470:
1.206 nicm 1471: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1472: }
1473:
1474: void
1.24 nicm 1475: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1476: {
1.77 nicm 1477: struct window_pane *wp = ctx->wp;
1.1 nicm 1478:
1.309 nicm 1479: if (ctx->bigger ||
1480: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1481: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 1482: (!tty_term_has(tty->term, TTYC_DCH) &&
1483: !tty_term_has(tty->term, TTYC_DCH1))) {
1.309 nicm 1484: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1485: return;
1486: }
1487:
1.210 nicm 1488: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1489:
1.77 nicm 1490: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1491:
1.206 nicm 1492: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1493: }
1494:
1495: void
1496: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1497: {
1.309 nicm 1498: if (ctx->bigger) {
1499: tty_draw_pane(tty, ctx, ctx->ocy);
1500: return;
1501: }
1502:
1.275 nicm 1503: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.146 nicm 1504:
1505: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1506:
1.210 nicm 1507: if (tty_term_has(tty->term, TTYC_ECH) &&
1.262 nicm 1508: !tty_fake_bce(tty, ctx->wp, 8))
1.146 nicm 1509: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1510: else
1511: tty_repeat_space(tty, ctx->num);
1.1 nicm 1512: }
1513:
1514: void
1.24 nicm 1515: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1516: {
1.309 nicm 1517: if (ctx->bigger ||
1518: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1519: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 1520: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1521: !tty_term_has(tty->term, TTYC_IL1) ||
1522: ctx->wp->sx == 1 ||
1523: ctx->wp->sy == 1) {
1.14 nicm 1524: tty_redraw_region(tty, ctx);
1.1 nicm 1525: return;
1526: }
1527:
1.210 nicm 1528: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1529:
1.77 nicm 1530: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1531: tty_margin_off(tty);
1.77 nicm 1532: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1533:
1.12 nicm 1534: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1535: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1536: }
1537:
1538: void
1.24 nicm 1539: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1540: {
1.309 nicm 1541: if (ctx->bigger ||
1542: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1543: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 1544: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1545: !tty_term_has(tty->term, TTYC_DL1) ||
1546: ctx->wp->sx == 1 ||
1547: ctx->wp->sy == 1) {
1.14 nicm 1548: tty_redraw_region(tty, ctx);
1.1 nicm 1549: return;
1550: }
1551:
1.210 nicm 1552: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1553:
1.77 nicm 1554: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1555: tty_margin_off(tty);
1.77 nicm 1556: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1557:
1.12 nicm 1558: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1559: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1560: }
1561:
1562: void
1.24 nicm 1563: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1564: {
1.77 nicm 1565: struct window_pane *wp = ctx->wp;
1.309 nicm 1566: u_int nx;
1.1 nicm 1567:
1.210 nicm 1568: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1569:
1.271 nicm 1570: nx = screen_size_x(wp->screen);
1.309 nicm 1571: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, nx, ctx->bg);
1.1 nicm 1572: }
1573:
1574: void
1.24 nicm 1575: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1576: {
1.77 nicm 1577: struct window_pane *wp = ctx->wp;
1.309 nicm 1578: u_int nx;
1.1 nicm 1579:
1.210 nicm 1580: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1581:
1.271 nicm 1582: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1583: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1584: }
1585:
1586: void
1.24 nicm 1587: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1588: {
1.210 nicm 1589: struct window_pane *wp = ctx->wp;
1590:
1591: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1592:
1.309 nicm 1593: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1594: }
1595:
1596: void
1.24 nicm 1597: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1598: {
1.278 nicm 1599: struct window_pane *wp = ctx->wp;
1600:
1.56 nicm 1601: if (ctx->ocy != ctx->orupper)
1602: return;
1603:
1.309 nicm 1604: if (ctx->bigger ||
1.331 nicm 1605: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.278 nicm 1606: tty_fake_bce(tty, wp, 8) ||
1.70 nicm 1607: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1608: (!tty_term_has(tty->term, TTYC_RI) &&
1609: !tty_term_has(tty->term, TTYC_RIN)) ||
1.307 nicm 1610: ctx->wp->sx == 1 ||
1611: ctx->wp->sy == 1) {
1.14 nicm 1612: tty_redraw_region(tty, ctx);
1.1 nicm 1613: return;
1614: }
1615:
1.278 nicm 1616: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1617:
1.56 nicm 1618: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1619: tty_margin_pane(tty, ctx);
1.56 nicm 1620: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1621:
1.331 nicm 1622: if (tty_term_has(tty->term, TTYC_RI))
1623: tty_putcode(tty, TTYC_RI);
1624: else
1625: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1626: }
1627:
1628: void
1.24 nicm 1629: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1630: {
1.77 nicm 1631: struct window_pane *wp = ctx->wp;
1.1 nicm 1632:
1.56 nicm 1633: if (ctx->ocy != ctx->orlower)
1634: return;
1635:
1.309 nicm 1636: if (ctx->bigger ||
1637: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1638: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1639: !tty_term_has(tty->term, TTYC_CSR) ||
1640: wp->sx == 1 ||
1641: wp->sy == 1) {
1.236 nicm 1642: tty_redraw_region(tty, ctx);
1.1 nicm 1643: return;
1644: }
1.52 nicm 1645:
1.278 nicm 1646: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1647:
1.56 nicm 1648: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1649: tty_margin_pane(tty, ctx);
1650:
1651: /*
1.301 nicm 1652: * If we want to wrap a pane while using margins, the cursor needs to
1653: * be exactly on the right of the region. If the cursor is entirely off
1654: * the edge - move it back to the right. Some terminals are funny about
1655: * this and insert extra spaces, so only use the right if margins are
1656: * enabled.
1.212 nicm 1657: */
1.301 nicm 1658: if (ctx->xoff + ctx->ocx > tty->rright) {
1659: if (!tty_use_margin(tty))
1660: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1661: else
1662: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1663: } else
1.212 nicm 1664: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1665:
1.56 nicm 1666: tty_putc(tty, '\n');
1.240 nicm 1667: }
1668:
1669: void
1670: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1671: {
1672: struct window_pane *wp = ctx->wp;
1.284 nicm 1673: u_int i;
1.240 nicm 1674:
1.309 nicm 1675: if (ctx->bigger ||
1676: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1677: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1678: !tty_term_has(tty->term, TTYC_CSR) ||
1679: wp->sx == 1 ||
1680: wp->sy == 1) {
1.240 nicm 1681: tty_redraw_region(tty, ctx);
1682: return;
1683: }
1684:
1.278 nicm 1685: tty_default_attributes(tty, wp, ctx->bg);
1.240 nicm 1686:
1687: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1688: tty_margin_pane(tty, ctx);
1689:
1.284 nicm 1690: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1691: if (!tty_use_margin(tty))
1692: tty_cursor(tty, 0, tty->rlower);
1693: else
1694: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1695: for (i = 0; i < ctx->num; i++)
1.240 nicm 1696: tty_putc(tty, '\n');
1.301 nicm 1697: } else {
1698: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1699: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1700: }
1701: }
1702:
1703: void
1704: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1705: {
1706: struct window_pane *wp = ctx->wp;
1707: u_int i;
1708:
1709: if (ctx->bigger ||
1710: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1711: tty_fake_bce(tty, wp, 8) ||
1712: !tty_term_has(tty->term, TTYC_CSR) ||
1713: (!tty_term_has(tty->term, TTYC_RI) &&
1714: !tty_term_has(tty->term, TTYC_RIN)) ||
1715: wp->sx == 1 ||
1716: wp->sy == 1) {
1717: tty_redraw_region(tty, ctx);
1718: return;
1719: }
1720:
1721: tty_default_attributes(tty, wp, ctx->bg);
1722:
1723: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1724: tty_margin_pane(tty, ctx);
1725: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1726:
1727: if (tty_term_has(tty->term, TTYC_RIN))
1728: tty_putcode1(tty, TTYC_RIN, ctx->num);
1729: else {
1730: for (i = 0; i < ctx->num; i++)
1731: tty_putcode(tty, TTYC_RI);
1.301 nicm 1732: }
1.1 nicm 1733: }
1734:
1735: void
1.24 nicm 1736: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1737: {
1.77 nicm 1738: struct window_pane *wp = ctx->wp;
1.271 nicm 1739: u_int px, py, nx, ny;
1.1 nicm 1740:
1.210 nicm 1741: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1742:
1.271 nicm 1743: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1744: tty_margin_off(tty);
1.39 nicm 1745:
1.309 nicm 1746: px = 0;
1.271 nicm 1747: nx = screen_size_x(wp->screen);
1.309 nicm 1748: py = ctx->ocy + 1;
1.271 nicm 1749: ny = screen_size_y(wp->screen) - ctx->ocy - 1;
1750:
1.309 nicm 1751: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1752:
1.309 nicm 1753: px = ctx->ocx;
1.271 nicm 1754: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1755: py = ctx->ocy;
1.271 nicm 1756:
1.309 nicm 1757: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1758: }
1759:
1760: void
1.24 nicm 1761: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1762: {
1.77 nicm 1763: struct window_pane *wp = ctx->wp;
1.271 nicm 1764: u_int px, py, nx, ny;
1.1 nicm 1765:
1.227 nicm 1766: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1767:
1.271 nicm 1768: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1769: tty_margin_off(tty);
1.39 nicm 1770:
1.309 nicm 1771: px = 0;
1.271 nicm 1772: nx = screen_size_x(wp->screen);
1.309 nicm 1773: py = 0;
1.319 nicm 1774: ny = ctx->ocy;
1.271 nicm 1775:
1.309 nicm 1776: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1777:
1.309 nicm 1778: px = 0;
1.271 nicm 1779: nx = ctx->ocx + 1;
1.309 nicm 1780: py = ctx->ocy;
1.271 nicm 1781:
1.309 nicm 1782: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1783: }
1784:
1785: void
1.24 nicm 1786: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1787: {
1.77 nicm 1788: struct window_pane *wp = ctx->wp;
1.271 nicm 1789: u_int px, py, nx, ny;
1.1 nicm 1790:
1.210 nicm 1791: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1792:
1.271 nicm 1793: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1794: tty_margin_off(tty);
1.39 nicm 1795:
1.309 nicm 1796: px = 0;
1.271 nicm 1797: nx = screen_size_x(wp->screen);
1.309 nicm 1798: py = 0;
1.271 nicm 1799: ny = screen_size_y(wp->screen);
1800:
1.309 nicm 1801: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1802: }
1803:
1804: void
1.24 nicm 1805: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1806: {
1.12 nicm 1807: struct window_pane *wp = ctx->wp;
1808: struct screen *s = wp->screen;
1809: u_int i, j;
1.4 nicm 1810:
1.309 nicm 1811: if (ctx->bigger) {
1812: wp->flags |= PANE_REDRAW;
1813: return;
1814: }
1815:
1.176 nicm 1816: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1817:
1.39 nicm 1818: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1819: tty_margin_off(tty);
1.4 nicm 1820:
1821: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1822: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1823: for (i = 0; i < screen_size_x(s); i++)
1824: tty_putc(tty, 'E');
1.1 nicm 1825: }
1826: }
1827:
1828: void
1.24 nicm 1829: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1830: {
1.309 nicm 1831: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1))
1832: return;
1833:
1834: if (ctx->xoff + ctx->ocx - ctx->ox > tty->sx - 1 &&
1.306 nicm 1835: ctx->ocy == ctx->orlower &&
1836: tty_pane_full_width(tty, ctx))
1837: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1838:
1.306 nicm 1839: tty_margin_off(tty);
1.253 nicm 1840: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1841:
1.237 nicm 1842: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1843: }
1844:
1845: void
1846: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1847: {
1.309 nicm 1848: struct window_pane *wp = ctx->wp;
1849:
1850: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1851: return;
1852:
1853: if (ctx->bigger &&
1854: (ctx->xoff + ctx->ocx < ctx->ox ||
1855: ctx->xoff + ctx->ocx + ctx->num > ctx->ox + ctx->sx)) {
1856: if (!ctx->wrapped ||
1857: !tty_pane_full_width(tty, ctx) ||
1.337 nicm 1858: (tty->term->flags & TERM_NOXENL) ||
1.309 nicm 1859: ctx->xoff + ctx->ocx != 0 ||
1860: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1861: tty->cx < tty->sx ||
1862: tty->cy == tty->rlower)
1863: tty_draw_pane(tty, ctx, ctx->ocy);
1864: else
1865: wp->flags |= PANE_REDRAW;
1866: return;
1867: }
1868:
1.306 nicm 1869: tty_margin_off(tty);
1.253 nicm 1870: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1871:
1872: tty_attributes(tty, ctx->cell, ctx->wp);
1873: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1874: }
1875:
1876: void
1877: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1878: {
1879: char *buf;
1880: size_t off;
1881:
1882: if (!tty_term_has(tty->term, TTYC_MS))
1883: return;
1884:
1885: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1886: buf = xmalloc(off);
1887:
1888: b64_ntop(ctx->ptr, ctx->num, buf, off);
1889: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1890:
1.138 nicm 1891: free(buf);
1.100 nicm 1892: }
1893:
1894: void
1895: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1896: {
1.256 nicm 1897: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1898: tty_invalidate(tty);
1.1 nicm 1899: }
1900:
1.207 nicm 1901: static void
1.317 nicm 1902: tty_cell(struct tty *tty, const struct grid_cell *gc, struct window_pane *wp)
1.1 nicm 1903: {
1.298 nicm 1904: const struct grid_cell *gcp;
1.1 nicm 1905:
1906: /* Skip last character if terminal is stupid. */
1.337 nicm 1907: if ((tty->term->flags & TERM_NOXENL) &&
1.211 nicm 1908: tty->cy == tty->sy - 1 &&
1909: tty->cx == tty->sx - 1)
1.1 nicm 1910: return;
1911:
1912: /* If this is a padding character, do nothing. */
1913: if (gc->flags & GRID_FLAG_PADDING)
1914: return;
1915:
1916: /* Set the attributes. */
1.176 nicm 1917: tty_attributes(tty, gc, wp);
1.1 nicm 1918:
1.147 nicm 1919: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.298 nicm 1920: gcp = tty_check_codeset(tty, gc);
1921: if (gcp->data.size == 1) {
1922: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 1923: return;
1.298 nicm 1924: tty_putc(tty, *gcp->data.data);
1.1 nicm 1925: return;
1926: }
1927:
1.147 nicm 1928: /* Write the data. */
1.298 nicm 1929: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 1930: }
1931:
1932: void
1933: tty_reset(struct tty *tty)
1934: {
1935: struct grid_cell *gc = &tty->cell;
1936:
1.228 nicm 1937: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 1938: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 1939: tty_putcode(tty, TTYC_RMACS);
1940: tty_putcode(tty, TTYC_SGR0);
1941: memcpy(gc, &grid_default_cell, sizeof *gc);
1942: }
1.1 nicm 1943:
1.228 nicm 1944: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1945: tty->last_wp = -1;
1.242 nicm 1946: }
1947:
1948: static void
1949: tty_invalidate(struct tty *tty)
1950: {
1951: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1952:
1953: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1954: tty->last_wp = -1;
1955:
1956: tty->cx = tty->cy = UINT_MAX;
1957:
1958: tty->rupper = tty->rleft = UINT_MAX;
1959: tty->rlower = tty->rright = UINT_MAX;
1960:
1961: if (tty->flags & TTY_STARTED) {
1.330 nicm 1962: if (tty_use_margin(tty))
1963: tty_puts(tty, "\033[?69h"); /* DECLRMM */
1.242 nicm 1964: tty_putcode(tty, TTYC_SGR0);
1965:
1966: tty->mode = ALL_MODES;
1967: tty_update_mode(tty, MODE_CURSOR, NULL);
1968:
1969: tty_cursor(tty, 0, 0);
1970: tty_region_off(tty);
1971: tty_margin_off(tty);
1972: } else
1973: tty->mode = MODE_CURSOR;
1.1 nicm 1974: }
1975:
1.214 nicm 1976: /* Turn off margin. */
1977: void
1978: tty_region_off(struct tty *tty)
1979: {
1980: tty_region(tty, 0, tty->sy - 1);
1981: }
1982:
1.40 nicm 1983: /* Set region inside pane. */
1.208 nicm 1984: static void
1.196 nicm 1985: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1986: u_int rlower)
1.1 nicm 1987: {
1.309 nicm 1988: tty_region(tty, ctx->yoff + rupper - ctx->oy,
1989: ctx->yoff + rlower - ctx->oy);
1.39 nicm 1990: }
1991:
1.40 nicm 1992: /* Set region at absolute position. */
1.214 nicm 1993: static void
1.40 nicm 1994: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1995: {
1996: if (tty->rlower == rlower && tty->rupper == rupper)
1997: return;
1.1 nicm 1998: if (!tty_term_has(tty->term, TTYC_CSR))
1999: return;
1.39 nicm 2000:
2001: tty->rupper = rupper;
2002: tty->rlower = rlower;
1.55 nicm 2003:
2004: /*
2005: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2006: * 0,0 if it is beyond the last column (they do not reset their wrap
2007: * flag so further output causes a line feed). As a workaround, do an
2008: * explicit move to 0 first.
2009: */
2010: if (tty->cx >= tty->sx)
2011: tty_cursor(tty, 0, tty->cy);
1.42 nicm 2012:
1.39 nicm 2013: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2014: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2015: }
2016:
1.214 nicm 2017: /* Turn off margin. */
2018: void
2019: tty_margin_off(struct tty *tty)
2020: {
2021: tty_margin(tty, 0, tty->sx - 1);
2022: }
2023:
1.212 nicm 2024: /* Set margin inside pane. */
2025: static void
2026: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2027: {
1.309 nicm 2028: tty_margin(tty, ctx->xoff - ctx->ox,
2029: ctx->xoff + ctx->wp->sx - 1 - ctx->ox);
1.212 nicm 2030: }
2031:
2032: /* Set margin at absolute position. */
1.214 nicm 2033: static void
1.212 nicm 2034: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2035: {
2036: char s[64];
2037:
2038: if (!tty_use_margin(tty))
2039: return;
2040: if (tty->rleft == rleft && tty->rright == rright)
2041: return;
2042:
1.232 nicm 2043: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2044:
1.212 nicm 2045: tty->rleft = rleft;
2046: tty->rright = rright;
2047:
1.232 nicm 2048: if (rleft == 0 && rright == tty->sx - 1)
2049: snprintf(s, sizeof s, "\033[s");
2050: else
2051: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 2052: tty_puts(tty, s);
1.249 nicm 2053: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2054: }
2055:
2056: /*
2057: * Move the cursor, unless it would wrap itself when the next character is
2058: * printed.
2059: */
2060: static void
2061: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2062: u_int cx, u_int cy)
2063: {
1.268 nicm 2064: if (!ctx->wrapped ||
2065: !tty_pane_full_width(tty, ctx) ||
1.337 nicm 2066: (tty->term->flags & TERM_NOXENL) ||
1.253 nicm 2067: ctx->xoff + cx != 0 ||
2068: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2069: tty->cx < tty->sx ||
2070: tty->cy == tty->rlower)
1.253 nicm 2071: tty_cursor_pane(tty, ctx, cx, cy);
2072: else
2073: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2074: }
2075:
1.42 nicm 2076: /* Move cursor inside pane. */
1.208 nicm 2077: static void
1.41 nicm 2078: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2079: {
1.309 nicm 2080: tty_cursor(tty, ctx->xoff + cx - ctx->ox, ctx->yoff + cy - ctx->oy);
1.41 nicm 2081: }
2082:
1.42 nicm 2083: /* Move cursor to absolute position. */
1.41 nicm 2084: void
2085: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2086: {
1.42 nicm 2087: struct tty_term *term = tty->term;
2088: u_int thisx, thisy;
2089: int change;
1.77 nicm 2090:
1.42 nicm 2091: if (cx > tty->sx - 1)
2092: cx = tty->sx - 1;
2093:
2094: thisx = tty->cx;
2095: thisy = tty->cy;
2096:
2097: /* No change. */
2098: if (cx == thisx && cy == thisy)
2099: return;
2100:
1.43 nicm 2101: /* Very end of the line, just use absolute movement. */
2102: if (thisx > tty->sx - 1)
2103: goto absolute;
2104:
1.42 nicm 2105: /* Move to home position (0, 0). */
2106: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2107: tty_putcode(tty, TTYC_HOME);
2108: goto out;
2109: }
2110:
2111: /* Zero on the next line. */
1.293 nicm 2112: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2113: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2114: tty_putc(tty, '\r');
1.42 nicm 2115: tty_putc(tty, '\n');
2116: goto out;
2117: }
2118:
1.45 nicm 2119: /* Moving column or row. */
1.42 nicm 2120: if (cy == thisy) {
1.45 nicm 2121: /*
2122: * Moving column only, row staying the same.
2123: */
2124:
1.42 nicm 2125: /* To left edge. */
1.294 nicm 2126: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2127: tty_putc(tty, '\r');
2128: goto out;
2129: }
2130:
2131: /* One to the left. */
2132: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2133: tty_putcode(tty, TTYC_CUB1);
2134: goto out;
2135: }
2136:
2137: /* One to the right. */
2138: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2139: tty_putcode(tty, TTYC_CUF1);
2140: goto out;
2141: }
2142:
2143: /* Calculate difference. */
2144: change = thisx - cx; /* +ve left, -ve right */
2145:
2146: /*
2147: * Use HPA if change is larger than absolute, otherwise move
2148: * the cursor with CUB/CUF.
2149: */
1.87 nicm 2150: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2151: tty_putcode1(tty, TTYC_HPA, cx);
2152: goto out;
1.333 nicm 2153: } else if (change > 0 &&
2154: tty_term_has(term, TTYC_CUB) &&
2155: !tty_use_margin(tty)) {
1.202 nicm 2156: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2157: tty_putcode(tty, TTYC_CUB1);
2158: tty_putcode(tty, TTYC_CUB1);
2159: goto out;
2160: }
1.42 nicm 2161: tty_putcode1(tty, TTYC_CUB, change);
2162: goto out;
1.333 nicm 2163: } else if (change < 0 &&
2164: tty_term_has(term, TTYC_CUF) &&
2165: !tty_use_margin(tty)) {
1.42 nicm 2166: tty_putcode1(tty, TTYC_CUF, -change);
2167: goto out;
2168: }
1.45 nicm 2169: } else if (cx == thisx) {
2170: /*
2171: * Moving row only, column staying the same.
2172: */
1.42 nicm 2173:
2174: /* One above. */
1.77 nicm 2175: if (thisy != tty->rupper &&
1.42 nicm 2176: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2177: tty_putcode(tty, TTYC_CUU1);
2178: goto out;
2179: }
2180:
2181: /* One below. */
1.49 nicm 2182: if (thisy != tty->rlower &&
1.42 nicm 2183: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2184: tty_putcode(tty, TTYC_CUD1);
2185: goto out;
2186: }
2187:
2188: /* Calculate difference. */
2189: change = thisy - cy; /* +ve up, -ve down */
2190:
2191: /*
1.77 nicm 2192: * Try to use VPA if change is larger than absolute or if this
2193: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2194: */
1.87 nicm 2195: if ((u_int) abs(change) > cy ||
1.42 nicm 2196: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2197: (change > 0 && cy - change < tty->rupper)) {
2198: if (tty_term_has(term, TTYC_VPA)) {
2199: tty_putcode1(tty, TTYC_VPA, cy);
2200: goto out;
2201: }
1.42 nicm 2202: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2203: tty_putcode1(tty, TTYC_CUU, change);
2204: goto out;
2205: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2206: tty_putcode1(tty, TTYC_CUD, -change);
2207: goto out;
2208: }
2209: }
2210:
1.43 nicm 2211: absolute:
1.42 nicm 2212: /* Absolute movement. */
2213: tty_putcode2(tty, TTYC_CUP, cy, cx);
2214:
2215: out:
2216: tty->cx = cx;
2217: tty->cy = cy;
1.1 nicm 2218: }
2219:
2220: void
1.176 nicm 2221: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.317 nicm 2222: struct window_pane *wp)
1.1 nicm 2223: {
1.63 nicm 2224: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2225: int changed;
1.61 nicm 2226:
1.228 nicm 2227: /* Ignore cell if it is the same as the last one. */
2228: if (wp != NULL &&
2229: (int)wp->id == tty->last_wp &&
1.326 nicm 2230: ~(wp->flags & PANE_STYLECHANGED) &&
1.228 nicm 2231: gc->attr == tty->last_cell.attr &&
2232: gc->fg == tty->last_cell.fg &&
1.328 nicm 2233: gc->bg == tty->last_cell.bg &&
2234: gc->us == tty->last_cell.us)
1.228 nicm 2235: return;
2236: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
2237: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
2238:
2239: /* Copy cell and update default colours. */
1.85 nicm 2240: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 2241: if (wp != NULL)
2242: tty_default_colours(&gc2, wp);
1.63 nicm 2243:
1.18 nicm 2244: /*
2245: * If no setab, try to use the reverse attribute as a best-effort for a
2246: * non-default background. This is a bit of a hack but it doesn't do
2247: * any serious harm and makes a couple of applications happier.
2248: */
2249: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2250: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2251: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2252: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2253: } else {
1.310 nicm 2254: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2255: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2256: }
2257: }
1.1 nicm 2258:
1.85 nicm 2259: /* Fix up the colours if necessary. */
1.219 nicm 2260: tty_check_fg(tty, wp, &gc2);
2261: tty_check_bg(tty, wp, &gc2);
1.328 nicm 2262: tty_check_us(tty, wp, &gc2);
1.85 nicm 2263:
1.328 nicm 2264: /*
2265: * If any bits are being cleared or the underline colour is now default,
2266: * reset everything.
2267: */
2268: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2269: tty_reset(tty);
2270:
2271: /*
2272: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2273: * may add to (NOT remove) the desired attributes.
1.64 nicm 2274: */
1.85 nicm 2275: tty_colours(tty, &gc2);
1.64 nicm 2276:
1.1 nicm 2277: /* Filter out attribute bits already set. */
1.85 nicm 2278: changed = gc2.attr & ~tc->attr;
2279: tc->attr = gc2.attr;
1.1 nicm 2280:
2281: /* Set the attributes. */
2282: if (changed & GRID_ATTR_BRIGHT)
2283: tty_putcode(tty, TTYC_BOLD);
2284: if (changed & GRID_ATTR_DIM)
2285: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2286: if (changed & GRID_ATTR_ITALICS)
2287: tty_set_italics(tty);
1.308 nicm 2288: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2289: if ((changed & GRID_ATTR_UNDERSCORE) ||
2290: !tty_term_has(tty->term, TTYC_SMULX))
2291: tty_putcode(tty, TTYC_SMUL);
2292: else if (changed & GRID_ATTR_UNDERSCORE_2)
2293: tty_putcode1(tty, TTYC_SMULX, 2);
2294: else if (changed & GRID_ATTR_UNDERSCORE_3)
2295: tty_putcode1(tty, TTYC_SMULX, 3);
2296: else if (changed & GRID_ATTR_UNDERSCORE_4)
2297: tty_putcode1(tty, TTYC_SMULX, 4);
2298: else if (changed & GRID_ATTR_UNDERSCORE_5)
2299: tty_putcode1(tty, TTYC_SMULX, 5);
2300: }
1.1 nicm 2301: if (changed & GRID_ATTR_BLINK)
2302: tty_putcode(tty, TTYC_BLINK);
2303: if (changed & GRID_ATTR_REVERSE) {
2304: if (tty_term_has(tty->term, TTYC_REV))
2305: tty_putcode(tty, TTYC_REV);
2306: else if (tty_term_has(tty->term, TTYC_SMSO))
2307: tty_putcode(tty, TTYC_SMSO);
2308: }
2309: if (changed & GRID_ATTR_HIDDEN)
2310: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2311: if (changed & GRID_ATTR_STRIKETHROUGH)
2312: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2313: if (changed & GRID_ATTR_OVERLINE)
2314: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2315: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2316: tty_putcode(tty, TTYC_SMACS);
2317: }
2318:
1.207 nicm 2319: static void
1.85 nicm 2320: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2321: {
1.61 nicm 2322: struct grid_cell *tc = &tty->cell;
1.204 nicm 2323: int have_ax;
1.61 nicm 2324:
2325: /* No changes? Nothing is necessary. */
1.328 nicm 2326: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2327: return;
1.1 nicm 2328:
1.61 nicm 2329: /*
2330: * Is either the default colour? This is handled specially because the
2331: * best solution might be to reset both colours to default, in which
2332: * case if only one is default need to fall onward to set the other
2333: * colour.
2334: */
1.310 nicm 2335: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2336: /*
2337: * If don't have AX but do have op, send sgr0 (op can't
2338: * actually be used because it is sometimes the same as sgr0
2339: * and sometimes isn't). This resets both colours to default.
2340: *
2341: * Otherwise, try to set the default colour only as needed.
2342: */
1.174 nicm 2343: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2344: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2345: tty_reset(tty);
2346: else {
1.310 nicm 2347: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2348: if (have_ax)
2349: tty_puts(tty, "\033[39m");
1.204 nicm 2350: else if (tc->fg != 7)
1.61 nicm 2351: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2352: tc->fg = gc->fg;
1.61 nicm 2353: }
1.310 nicm 2354: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2355: if (have_ax)
1.61 nicm 2356: tty_puts(tty, "\033[49m");
1.204 nicm 2357: else if (tc->bg != 0)
1.61 nicm 2358: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2359: tc->bg = gc->bg;
1.61 nicm 2360: }
2361: }
2362: }
1.1 nicm 2363:
1.61 nicm 2364: /* Set the foreground colour. */
1.310 nicm 2365: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2366: tty_colours_fg(tty, gc);
1.1 nicm 2367:
1.61 nicm 2368: /*
2369: * Set the background colour. This must come after the foreground as
2370: * tty_colour_fg() can call tty_reset().
2371: */
1.310 nicm 2372: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2373: tty_colours_bg(tty, gc);
1.328 nicm 2374:
2375: /* Set the underscore color. */
2376: if (gc->us != tc->us)
2377: tty_colours_us(tty, gc);
1.1 nicm 2378: }
2379:
1.219 nicm 2380: static void
1.317 nicm 2381: tty_check_fg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2382: {
1.204 nicm 2383: u_char r, g, b;
2384: u_int colours;
1.223 nicm 2385: int c;
1.85 nicm 2386:
1.288 nicm 2387: /*
2388: * Perform substitution if this pane has a palette. If the bright
2389: * attribute is set, use the bright entry in the palette by changing to
2390: * the aixterm colour.
2391: */
2392: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2393: c = gc->fg;
1.289 nicm 2394: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2395: c += 90;
2396: if ((c = window_pane_get_palette(wp, c)) != -1)
2397: gc->fg = c;
2398: }
1.219 nicm 2399:
1.199 nicm 2400: /* Is this a 24-bit colour? */
1.204 nicm 2401: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2402: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.341 nicm 2403: if ((tty->term->flags|tty->term_flags) & TERM_RGBCOLOURS)
1.200 nicm 2404: return;
1.341 nicm 2405: colour_split_rgb(gc->fg, &r, &g, &b);
2406: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2407: }
1.224 nicm 2408:
2409: /* How many colours does this terminal have? */
2410: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2411: colours = 256;
2412: else
2413: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2414:
1.85 nicm 2415: /* Is this a 256-colour colour? */
1.204 nicm 2416: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2417: /* And not a 256 colour mode? */
1.224 nicm 2418: if (colours != 256) {
1.85 nicm 2419: gc->fg = colour_256to16(gc->fg);
2420: if (gc->fg & 8) {
2421: gc->fg &= 7;
1.175 nicm 2422: if (colours >= 16)
2423: gc->fg += 90;
1.332 nicm 2424: }
1.85 nicm 2425: }
2426: return;
2427: }
2428:
2429: /* Is this an aixterm colour? */
2430: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2431: gc->fg -= 90;
2432: gc->attr |= GRID_ATTR_BRIGHT;
2433: }
2434: }
2435:
1.219 nicm 2436: static void
1.317 nicm 2437: tty_check_bg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2438: {
1.204 nicm 2439: u_char r, g, b;
2440: u_int colours;
1.223 nicm 2441: int c;
1.85 nicm 2442:
1.288 nicm 2443: /* Perform substitution if this pane has a palette. */
2444: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2445: if ((c = window_pane_get_palette(wp, gc->bg)) != -1)
2446: gc->bg = c;
2447: }
1.219 nicm 2448:
1.199 nicm 2449: /* Is this a 24-bit colour? */
1.204 nicm 2450: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2451: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.341 nicm 2452: if ((tty->term->flags|tty->term_flags) & TERM_RGBCOLOURS)
1.200 nicm 2453: return;
1.341 nicm 2454: colour_split_rgb(gc->bg, &r, &g, &b);
2455: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2456: }
1.224 nicm 2457:
2458: /* How many colours does this terminal have? */
2459: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2460: colours = 256;
2461: else
2462: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2463:
1.85 nicm 2464: /* Is this a 256-colour colour? */
1.204 nicm 2465: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2466: /*
2467: * And not a 256 colour mode? Translate to 16-colour
2468: * palette. Bold background doesn't exist portably, so just
2469: * discard the bold bit if set.
2470: */
1.224 nicm 2471: if (colours != 256) {
1.85 nicm 2472: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2473: if (gc->bg & 8) {
1.85 nicm 2474: gc->bg &= 7;
1.175 nicm 2475: if (colours >= 16)
1.322 nicm 2476: gc->bg += 90;
1.175 nicm 2477: }
1.85 nicm 2478: }
2479: return;
2480: }
2481:
2482: /* Is this an aixterm colour? */
1.175 nicm 2483: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2484: gc->bg -= 90;
2485: }
2486:
1.207 nicm 2487: static void
1.335 nicm 2488: tty_check_us(__unused struct tty *tty, struct window_pane *wp,
2489: struct grid_cell *gc)
1.328 nicm 2490: {
2491: int c;
2492:
2493: /* Perform substitution if this pane has a palette. */
2494: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2495: if ((c = window_pane_get_palette(wp, gc->us)) != -1)
2496: gc->us = c;
2497: }
2498:
2499: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2500: if (gc->us & COLOUR_FLAG_256)
2501: gc->us = colour_256toRGB (gc->us);
2502: }
2503:
2504: static void
1.85 nicm 2505: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2506: {
1.61 nicm 2507: struct grid_cell *tc = &tty->cell;
1.79 nicm 2508: char s[32];
1.1 nicm 2509:
1.204 nicm 2510: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2511: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2512: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 2513: goto save_fg;
1.199 nicm 2514: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2515: return;
1.1 nicm 2516: }
2517:
1.79 nicm 2518: /* Is this an aixterm bright colour? */
1.204 nicm 2519: if (gc->fg >= 90 && gc->fg <= 97) {
1.323 nicm 2520: if (tty->term_flags & TERM_256COLOURS) {
2521: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2522: tty_puts(tty, s);
2523: } else
2524: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.85 nicm 2525: goto save_fg;
1.79 nicm 2526: }
2527:
1.61 nicm 2528: /* Otherwise set the foreground colour. */
1.204 nicm 2529: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2530:
1.77 nicm 2531: save_fg:
1.61 nicm 2532: /* Save the new values in the terminal current cell. */
1.204 nicm 2533: tc->fg = gc->fg;
1.1 nicm 2534: }
2535:
1.207 nicm 2536: static void
1.73 nicm 2537: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2538: {
1.61 nicm 2539: struct grid_cell *tc = &tty->cell;
1.79 nicm 2540: char s[32];
1.1 nicm 2541:
1.204 nicm 2542: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2543: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2544: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 2545: goto save_bg;
1.199 nicm 2546: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2547: return;
1.79 nicm 2548: }
2549:
2550: /* Is this an aixterm bright colour? */
1.204 nicm 2551: if (gc->bg >= 90 && gc->bg <= 97) {
1.323 nicm 2552: if (tty->term_flags & TERM_256COLOURS) {
2553: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2554: tty_puts(tty, s);
2555: } else
2556: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.175 nicm 2557: goto save_bg;
1.1 nicm 2558: }
2559:
1.61 nicm 2560: /* Otherwise set the background colour. */
1.204 nicm 2561: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2562:
2563: save_bg:
2564: /* Save the new values in the terminal current cell. */
1.204 nicm 2565: tc->bg = gc->bg;
1.328 nicm 2566: }
2567:
2568: static void
2569: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2570: {
2571: struct grid_cell *tc = &tty->cell;
2572: u_int c;
2573: u_char r, g, b;
2574:
2575: /* Must be an RGB colour - this should never happen. */
2576: if (~gc->us & COLOUR_FLAG_RGB)
2577: return;
2578:
2579: /*
2580: * Setulc follows the ncurses(3) one argument "direct colour"
2581: * capability format. Calculate the colour value.
2582: */
2583: colour_split_rgb(gc->us, &r, &g, &b);
2584: c = (65536 * r) + (256 * g) + b;
2585:
2586: /* Write the colour. */
2587: tty_putcode1(tty, TTYC_SETULC, c);
2588:
2589: /* Save the new values in the terminal current cell. */
2590: tc->us = gc->us;
1.61 nicm 2591: }
2592:
1.207 nicm 2593: static int
1.204 nicm 2594: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2595: {
1.204 nicm 2596: u_char r, g, b;
1.61 nicm 2597: char s[32];
2598:
1.204 nicm 2599: if (colour & COLOUR_FLAG_256) {
2600: /*
1.300 nicm 2601: * If the user has specified -2 to the client (meaning
2602: * TERM_256COLOURS is set), setaf and setab may not work (or
2603: * they may not want to use them), so send the usual sequence.
2604: *
2605: * Also if RGB is set, setaf and setab do not support the 256
2606: * colour palette so use the sequences directly there too.
1.204 nicm 2607: */
1.300 nicm 2608: if ((tty->term_flags & TERM_256COLOURS) ||
2609: tty_term_has(tty->term, TTYC_RGB))
1.204 nicm 2610: goto fallback_256;
1.189 nicm 2611:
1.204 nicm 2612: /*
2613: * If the terminfo entry has 256 colours and setaf and setab
2614: * exist, assume that they work correctly.
2615: */
2616: if (tty->term->flags & TERM_256COLOURS) {
2617: if (*type == '3') {
2618: if (!tty_term_has(tty->term, TTYC_SETAF))
2619: goto fallback_256;
2620: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2621: } else {
2622: if (!tty_term_has(tty->term, TTYC_SETAB))
2623: goto fallback_256;
2624: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2625: }
2626: return (0);
1.188 nicm 2627: }
1.204 nicm 2628: goto fallback_256;
2629: }
2630:
2631: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2632: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.286 nicm 2633: if (*type == '3') {
2634: if (!tty_term_has(tty->term, TTYC_SETRGBF))
1.341 nicm 2635: goto fallback_rgb;
1.286 nicm 2636: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
2637: } else {
2638: if (!tty_term_has(tty->term, TTYC_SETRGBB))
1.341 nicm 2639: goto fallback_rgb;
1.286 nicm 2640: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
2641: }
1.165 nicm 2642: return (0);
2643: }
1.61 nicm 2644:
1.165 nicm 2645: return (-1);
1.188 nicm 2646:
1.204 nicm 2647: fallback_256:
2648: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.300 nicm 2649: log_debug("%s: 256 colour fallback: %s", tty->client->name, s);
1.341 nicm 2650: tty_puts(tty, s);
2651: return (0);
2652:
2653: fallback_rgb:
2654: xsnprintf(s, sizeof s, "\033[%s;2;%d;%d;%dm", type, r, g, b);
2655: log_debug("%s: RGB colour fallback: %s", tty->client->name, s);
1.188 nicm 2656: tty_puts(tty, s);
2657: return (0);
1.176 nicm 2658: }
2659:
1.207 nicm 2660: static void
1.317 nicm 2661: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2662: {
1.326 nicm 2663: struct options *oo = wp->options;
2664: struct style *style, *active_style;
2665: int c;
2666:
2667: if (wp->flags & PANE_STYLECHANGED) {
2668: wp->flags &= ~PANE_STYLECHANGED;
2669:
2670: active_style = options_get_style(oo, "window-active-style");
2671: style = options_get_style(oo, "window-style");
2672:
2673: style_copy(&wp->cached_active_style, active_style);
2674: style_copy(&wp->cached_style, style);
1.203 nicm 2675: } else {
1.326 nicm 2676: active_style = &wp->cached_active_style;
2677: style = &wp->cached_style;
1.203 nicm 2678: }
1.176 nicm 2679:
1.204 nicm 2680: if (gc->fg == 8) {
1.326 nicm 2681: if (wp == wp->window->active && active_style->gc.fg != 8)
2682: gc->fg = active_style->gc.fg;
1.204 nicm 2683: else
1.326 nicm 2684: gc->fg = style->gc.fg;
1.219 nicm 2685:
1.310 nicm 2686: if (gc->fg != 8) {
2687: c = window_pane_get_palette(wp, gc->fg);
2688: if (c != -1)
2689: gc->fg = c;
2690: }
1.176 nicm 2691: }
2692:
1.204 nicm 2693: if (gc->bg == 8) {
1.326 nicm 2694: if (wp == wp->window->active && active_style->gc.bg != 8)
2695: gc->bg = active_style->gc.bg;
1.204 nicm 2696: else
1.326 nicm 2697: gc->bg = style->gc.bg;
1.219 nicm 2698:
1.310 nicm 2699: if (gc->bg != 8) {
2700: c = window_pane_get_palette(wp, gc->bg);
2701: if (c != -1)
2702: gc->bg = c;
2703: }
1.176 nicm 2704: }
1.210 nicm 2705: }
2706:
2707: static void
1.317 nicm 2708: tty_default_attributes(struct tty *tty, struct window_pane *wp, u_int bg)
1.210 nicm 2709: {
2710: static struct grid_cell gc;
2711:
2712: memcpy(&gc, &grid_default_cell, sizeof gc);
2713: gc.bg = bg;
2714: tty_attributes(tty, &gc, wp);
1.1 nicm 2715: }
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