Annotation of src/usr.bin/tmux/tty.c, Revision 1.306
1.306 ! nicm 1: /* $OpenBSD: tty.c,v 1.305 2018/08/19 16:45:03 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:
1.287 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;
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);
1.287 nicm 142: tty_set_size(tty, sx, sy);
1.242 nicm 143: tty_invalidate(tty);
1.114 nicm 144: }
145:
1.287 nicm 146: void
1.212 nicm 147: tty_set_size(struct tty *tty, u_int sx, u_int sy)
148: {
1.114 nicm 149: tty->sx = sx;
150: tty->sy = sy;
1.1 nicm 151: }
152:
1.244 nicm 153: static void
154: tty_read_callback(__unused int fd, __unused short events, void *data)
155: {
156: struct tty *tty = data;
1.258 nicm 157: struct client *c = tty->client;
1.244 nicm 158: size_t size = EVBUFFER_LENGTH(tty->in);
159: int nread;
160:
161: nread = evbuffer_read(tty->in, tty->fd, -1);
1.295 nicm 162: if (nread == 0 || nread == -1) {
1.290 nicm 163: event_del(&tty->event_in);
1.295 nicm 164: server_client_lost(tty->client);
1.244 nicm 165: return;
1.290 nicm 166: }
1.258 nicm 167: log_debug("%s: read %d bytes (already %zu)", c->name, nread, size);
1.244 nicm 168:
169: while (tty_keys_next(tty))
170: ;
171: }
172:
173: static void
1.266 nicm 174: tty_timer_callback(__unused int fd, __unused short events, void *data)
175: {
176: struct tty *tty = data;
177: struct client *c = tty->client;
178: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
179:
180: log_debug("%s: %zu discarded", c->name, tty->discarded);
181:
1.305 nicm 182: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.266 nicm 183: c->discarded += tty->discarded;
184:
185: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
186: tty->flags &= ~TTY_BLOCK;
187: tty_invalidate(tty);
188: return;
189: }
190: tty->discarded = 0;
191: evtimer_add(&tty->timer, &tv);
192: }
193:
194: static int
195: tty_block_maybe(struct tty *tty)
196: {
197: struct client *c = tty->client;
198: size_t size = EVBUFFER_LENGTH(tty->out);
199: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
200:
201: if (size < TTY_BLOCK_START(tty))
202: return (0);
203:
204: if (tty->flags & TTY_BLOCK)
205: return (1);
206: tty->flags |= TTY_BLOCK;
207:
208: log_debug("%s: can't keep up, %zu discarded", c->name, size);
209:
210: evbuffer_drain(tty->out, size);
211: c->discarded += size;
212:
213: tty->discarded = 0;
214: evtimer_add(&tty->timer, &tv);
215: return (1);
216: }
217:
218: static void
1.244 nicm 219: tty_write_callback(__unused int fd, __unused short events, void *data)
220: {
1.246 nicm 221: struct tty *tty = data;
1.258 nicm 222: struct client *c = tty->client;
1.246 nicm 223: size_t size = EVBUFFER_LENGTH(tty->out);
224: int nwrite;
1.244 nicm 225:
226: nwrite = evbuffer_write(tty->out, tty->fd);
227: if (nwrite == -1)
228: return;
1.258 nicm 229: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 230:
1.270 nicm 231: if (c->redraw > 0) {
232: if ((size_t)nwrite >= c->redraw)
233: c->redraw = 0;
234: else
235: c->redraw -= nwrite;
236: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
237: c->redraw);
238: } else if (tty_block_maybe(tty))
1.266 nicm 239: return;
240:
1.247 nicm 241: if (EVBUFFER_LENGTH(tty->out) != 0)
242: event_add(&tty->event_out, NULL);
1.244 nicm 243: }
244:
1.1 nicm 245: int
1.166 nicm 246: tty_open(struct tty *tty, char **cause)
1.1 nicm 247: {
1.220 nicm 248: tty->term = tty_term_find(tty->term_name, tty->fd, cause);
1.21 nicm 249: if (tty->term == NULL) {
250: tty_close(tty);
251: return (-1);
252: }
253: tty->flags |= TTY_OPENED;
1.1 nicm 254:
1.266 nicm 255: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 256:
257: event_set(&tty->event_in, tty->fd, EV_PERSIST|EV_READ,
258: tty_read_callback, tty);
259: tty->in = evbuffer_new();
1.1 nicm 260:
1.244 nicm 261: event_set(&tty->event_out, tty->fd, EV_WRITE, tty_write_callback, tty);
262: tty->out = evbuffer_new();
1.1 nicm 263:
1.266 nicm 264: evtimer_set(&tty->timer, tty_timer_callback, tty);
265:
1.1 nicm 266: tty_start_tty(tty);
267:
1.148 nicm 268: tty_keys_build(tty);
1.1 nicm 269:
270: return (0);
271: }
272:
1.244 nicm 273: void
274: tty_start_tty(struct tty *tty)
1.1 nicm 275: {
1.285 nicm 276: struct client *c = tty->client;
277: struct termios tio;
1.33 nicm 278:
1.244 nicm 279: if (tty->fd != -1 && tcgetattr(tty->fd, &tty->tio) == 0) {
280: setblocking(tty->fd, 0);
281: event_add(&tty->event_in, NULL);
282:
283: memcpy(&tio, &tty->tio, sizeof tio);
284: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
285: tio.c_iflag |= IGNBRK;
286: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
287: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
288: ECHOPRT|ECHOKE|ISIG);
289: tio.c_cc[VMIN] = 1;
290: tio.c_cc[VTIME] = 0;
291: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
292: tcflush(tty->fd, TCIOFLUSH);
293: }
1.1 nicm 294:
1.10 nicm 295: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 296:
1.252 nicm 297: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 298: tty_putcode(tty, TTYC_CLEAR);
299:
300: if (tty_acs_needed(tty)) {
301: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 302: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 303: } else
304: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 305:
306: tty_putcode(tty, TTYC_CNORM);
307: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 308: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.121 nicm 309:
1.189 nicm 310: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 311: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 312: tty->flags |= TTY_FOCUS;
313: tty_puts(tty, "\033[?1004h");
314: }
1.265 nicm 315: tty_puts(tty, "\033[c");
1.162 nicm 316: }
1.1 nicm 317:
1.20 nicm 318: tty->flags |= TTY_STARTED;
1.242 nicm 319: tty_invalidate(tty);
1.107 nicm 320:
321: tty_force_cursor_colour(tty, "");
1.177 nicm 322:
323: tty->mouse_drag_flag = 0;
324: tty->mouse_drag_update = NULL;
325: tty->mouse_drag_release = NULL;
1.128 nicm 326: }
327:
328: void
1.1 nicm 329: tty_stop_tty(struct tty *tty)
330: {
331: struct winsize ws;
332:
1.20 nicm 333: if (!(tty->flags & TTY_STARTED))
334: return;
335: tty->flags &= ~TTY_STARTED;
336:
1.266 nicm 337: event_del(&tty->timer);
338: tty->flags &= ~TTY_BLOCK;
339:
1.244 nicm 340: event_del(&tty->event_in);
341: event_del(&tty->event_out);
1.66 nicm 342:
1.1 nicm 343: /*
344: * Be flexible about error handling and try not kill the server just
345: * because the fd is invalid. Things like ssh -t can easily leave us
346: * with a dead tty.
347: */
348: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
349: return;
350: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
351: return;
352:
353: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 354: if (tty_acs_needed(tty))
1.90 nicm 355: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 356: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
357: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
358: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 359: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
360: if (tty_term_has(tty->term, TTYC_SE))
361: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 362: else
1.160 nicm 363: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 364: }
1.173 nicm 365: if (tty->mode & MODE_BRACKETPASTE)
366: tty_raw(tty, "\033[?2004l");
1.107 nicm 367: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 368:
369: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
370: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 371: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.151 nicm 372:
1.189 nicm 373: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 374: if (tty->flags & TTY_FOCUS) {
375: tty->flags &= ~TTY_FOCUS;
1.172 nicm 376: tty_raw(tty, "\033[?1004l");
1.162 nicm 377: }
378: }
1.10 nicm 379:
1.212 nicm 380: if (tty_use_margin(tty))
381: tty_raw(tty, "\033[?69l"); /* DECLRMM */
1.10 nicm 382: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 383:
384: setblocking(tty->fd, 1);
1.1 nicm 385: }
386:
387: void
1.20 nicm 388: tty_close(struct tty *tty)
1.1 nicm 389: {
1.123 nicm 390: if (event_initialized(&tty->key_timer))
391: evtimer_del(&tty->key_timer);
1.20 nicm 392: tty_stop_tty(tty);
1.1 nicm 393:
1.21 nicm 394: if (tty->flags & TTY_OPENED) {
1.244 nicm 395: evbuffer_free(tty->in);
396: event_del(&tty->event_in);
397: evbuffer_free(tty->out);
398: event_del(&tty->event_out);
1.66 nicm 399:
1.21 nicm 400: tty_term_free(tty->term);
401: tty_keys_free(tty);
402:
403: tty->flags &= ~TTY_OPENED;
404: }
1.1 nicm 405:
1.21 nicm 406: if (tty->fd != -1) {
407: close(tty->fd);
408: tty->fd = -1;
409: }
1.1 nicm 410: }
411:
412: void
1.20 nicm 413: tty_free(struct tty *tty)
1.1 nicm 414: {
1.20 nicm 415: tty_close(tty);
1.1 nicm 416:
1.138 nicm 417: free(tty->ccolour);
1.220 nicm 418: free(tty->term_name);
1.1 nicm 419: }
420:
421: void
1.212 nicm 422: tty_set_type(struct tty *tty, int type)
423: {
424: tty->term_type = type;
425:
426: if (tty_use_margin(tty))
427: tty_puts(tty, "\033[?69h"); /* DECLRMM */
428: }
429:
430: void
1.1 nicm 431: tty_raw(struct tty *tty, const char *s)
432: {
1.150 nicm 433: ssize_t n, slen;
434: u_int i;
435:
436: slen = strlen(s);
437: for (i = 0; i < 5; i++) {
438: n = write(tty->fd, s, slen);
439: if (n >= 0) {
440: s += n;
441: slen -= n;
442: if (slen == 0)
443: break;
444: } else if (n == -1 && errno != EAGAIN)
445: break;
446: usleep(100);
447: }
1.1 nicm 448: }
449:
450: void
451: tty_putcode(struct tty *tty, enum tty_code_code code)
452: {
453: tty_puts(tty, tty_term_string(tty->term, code));
454: }
455:
456: void
457: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
458: {
459: if (a < 0)
460: return;
461: tty_puts(tty, tty_term_string1(tty->term, code, a));
462: }
463:
464: void
465: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
466: {
467: if (a < 0 || b < 0)
468: return;
469: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
470: }
471:
472: void
1.286 nicm 473: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
474: {
475: if (a < 0 || b < 0 || c < 0)
476: return;
477: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
478: }
479:
480: void
1.107 nicm 481: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
482: {
483: if (a != NULL)
484: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
485: }
486:
487: void
1.167 nicm 488: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
489: const void *b)
1.106 nicm 490: {
491: if (a != NULL && b != NULL)
492: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
493: }
494:
1.243 nicm 495: static void
496: tty_add(struct tty *tty, const char *buf, size_t len)
497: {
1.258 nicm 498: struct client *c = tty->client;
499:
1.266 nicm 500: if (tty->flags & TTY_BLOCK) {
501: tty->discarded += len;
502: return;
503: }
504:
1.244 nicm 505: evbuffer_add(tty->out, buf, len);
1.270 nicm 506: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 507: c->written += len;
1.243 nicm 508:
509: if (tty_log_fd != -1)
510: write(tty_log_fd, buf, len);
1.244 nicm 511: if (tty->flags & TTY_STARTED)
512: event_add(&tty->event_out, NULL);
1.243 nicm 513: }
514:
1.106 nicm 515: void
1.1 nicm 516: tty_puts(struct tty *tty, const char *s)
517: {
1.243 nicm 518: if (*s != '\0')
519: tty_add(tty, s, strlen(s));
1.1 nicm 520: }
521:
522: void
523: tty_putc(struct tty *tty, u_char ch)
524: {
1.90 nicm 525: const char *acs;
1.1 nicm 526:
1.90 nicm 527: if (tty->cell.attr & GRID_ATTR_CHARSET) {
528: acs = tty_acs_get(tty, ch);
1.243 nicm 529: if (acs != NULL)
530: tty_add(tty, acs, strlen(acs));
531: else
532: tty_add(tty, &ch, 1);
533: } else
534: tty_add(tty, &ch, 1);
1.1 nicm 535:
536: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 537: if (tty->cx >= tty->sx) {
1.46 nicm 538: tty->cx = 1;
539: if (tty->cy != tty->rlower)
540: tty->cy++;
1.211 nicm 541:
542: /*
543: * On !xenl terminals, force the cursor position to
544: * where we think it should be after a line wrap - this
545: * means it works on sensible terminals as well.
546: */
547: if (tty->term->flags & TERM_EARLYWRAP)
548: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 549: } else
550: tty->cx++;
551: }
552: }
553:
554: void
1.147 nicm 555: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 556: {
1.243 nicm 557: tty_add(tty, buf, len);
1.268 nicm 558: if (tty->cx + width > tty->sx) {
559: tty->cx = (tty->cx + width) - tty->sx;
560: if (tty->cx <= tty->sx)
561: tty->cy++;
562: else
563: tty->cx = tty->cy = UINT_MAX;
564: } else
1.254 nicm 565: tty->cx += width;
1.5 nicm 566: }
567:
1.207 nicm 568: static void
1.180 nicm 569: tty_set_italics(struct tty *tty)
570: {
571: const char *s;
572:
573: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 574: s = options_get_string(global_options, "default-terminal");
1.180 nicm 575: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
576: tty_putcode(tty, TTYC_SITM);
577: return;
578: }
579: }
580: tty_putcode(tty, TTYC_SMSO);
581: }
582:
583: void
1.1 nicm 584: tty_set_title(struct tty *tty, const char *title)
585: {
1.105 nicm 586: if (!tty_term_has(tty->term, TTYC_TSL) ||
587: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 588: return;
589:
1.105 nicm 590: tty_putcode(tty, TTYC_TSL);
1.1 nicm 591: tty_puts(tty, title);
1.105 nicm 592: tty_putcode(tty, TTYC_FSL);
1.1 nicm 593: }
594:
1.208 nicm 595: static void
1.107 nicm 596: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
597: {
598: if (*ccolour == '\0')
599: tty_putcode(tty, TTYC_CR);
600: else
1.160 nicm 601: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 602: free(tty->ccolour);
1.107 nicm 603: tty->ccolour = xstrdup(ccolour);
604: }
605:
606: void
607: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 608: {
609: int changed;
610:
1.197 nicm 611: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 612: tty_force_cursor_colour(tty, s->ccolour);
613:
1.1 nicm 614: if (tty->flags & TTY_NOCURSOR)
615: mode &= ~MODE_CURSOR;
616:
617: changed = mode ^ tty->mode;
1.183 nicm 618: if (changed & MODE_BLINKING) {
619: if (tty_term_has(tty->term, TTYC_CVVIS))
620: tty_putcode(tty, TTYC_CVVIS);
621: else
622: tty_putcode(tty, TTYC_CNORM);
623: changed |= MODE_CURSOR;
624: }
625: if (changed & MODE_CURSOR) {
626: if (mode & MODE_CURSOR)
627: tty_putcode(tty, TTYC_CNORM);
628: else
1.1 nicm 629: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 630: }
1.181 nicm 631: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 632: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 633: if (s->cstyle == 0 &&
1.160 nicm 634: tty_term_has(tty->term, TTYC_SE))
635: tty_putcode(tty, TTYC_SE);
1.108 nicm 636: else
1.160 nicm 637: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 638: }
639: tty->cstyle = s->cstyle;
1.1 nicm 640: }
1.195 nicm 641: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 642: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 643: /*
644: * Enable the SGR (1006) extension unconditionally, as
1.221 nicm 645: * it is safe from misinterpretation.
1.153 nicm 646: */
647: tty_puts(tty, "\033[?1006h");
1.225 nicm 648: if (mode & MODE_MOUSE_ALL)
649: tty_puts(tty, "\033[?1003h");
650: else if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 651: tty_puts(tty, "\033[?1002h");
1.98 nicm 652: else if (mode & MODE_MOUSE_STANDARD)
653: tty_puts(tty, "\033[?1000h");
1.86 nicm 654: } else {
1.225 nicm 655: if (tty->mode & MODE_MOUSE_ALL)
656: tty_puts(tty, "\033[?1003l");
657: else if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 658: tty_puts(tty, "\033[?1002l");
1.98 nicm 659: else if (tty->mode & MODE_MOUSE_STANDARD)
660: tty_puts(tty, "\033[?1000l");
1.153 nicm 661: tty_puts(tty, "\033[?1006l");
1.86 nicm 662: }
1.115 nicm 663: }
664: if (changed & MODE_BRACKETPASTE) {
665: if (mode & MODE_BRACKETPASTE)
666: tty_puts(tty, "\033[?2004h");
667: else
668: tty_puts(tty, "\033[?2004l");
1.1 nicm 669: }
670: tty->mode = mode;
671: }
672:
1.207 nicm 673: static void
1.168 nicm 674: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
675: enum tty_code_code code1, u_int n)
1.1 nicm 676: {
677: if (tty_term_has(tty->term, code))
678: tty_putcode1(tty, code, n);
679: else {
680: while (n-- > 0)
681: tty_putcode(tty, code1);
682: }
683: }
684:
1.207 nicm 685: static void
1.133 nicm 686: tty_repeat_space(struct tty *tty, u_int n)
687: {
1.257 nicm 688: static char s[500];
689:
690: if (*s != ' ')
691: memset(s, ' ', sizeof s);
692:
693: while (n > sizeof s) {
694: tty_putn(tty, s, sizeof s, sizeof s);
695: n -= sizeof s;
696: }
697: if (n != 0)
698: tty_putn(tty, s, n, n);
1.304 nicm 699: }
700:
701: /* How many lines are taken up by the status line on this client? */
702: u_int
703: tty_status_lines(struct client *c)
704: {
705: u_int lines;
706:
707: if (c->flags & CLIENT_STATUSOFF)
708: lines = 0;
709: else
710: lines = status_line_size(c->session);
711: if (c->message_string != NULL || c->prompt_string != NULL)
712: lines = (lines == 0) ? 1 : lines;
713: return (lines);
1.133 nicm 714: }
715:
1.1 nicm 716: /*
1.119 nicm 717: * Is the region large enough to be worth redrawing once later rather than
718: * probably several times now? Currently yes if it is more than 50% of the
719: * pane.
720: */
1.207 nicm 721: static int
1.194 nicm 722: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 723: {
724: struct window_pane *wp = ctx->wp;
725:
726: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
727: }
728:
729: /*
1.176 nicm 730: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
731: * emulated.
732: */
1.207 nicm 733: static int
1.210 nicm 734: tty_fake_bce(const struct tty *tty, const struct window_pane *wp, u_int bg)
1.176 nicm 735: {
736: struct grid_cell gc;
737:
1.210 nicm 738: if (tty_term_flag(tty->term, TTYC_BCE))
739: return (0);
740:
1.176 nicm 741: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 742: if (wp != NULL)
743: tty_default_colours(&gc, wp);
1.176 nicm 744:
1.210 nicm 745: if (bg != 8 || gc.bg != 8)
746: return (1);
747: return (0);
1.176 nicm 748: }
749:
750: /*
1.1 nicm 751: * Redraw scroll region using data from screen (already updated). Used when
752: * CSR not supported, or window is a pane that doesn't take up the full
753: * width of the terminal.
754: */
1.207 nicm 755: static void
1.24 nicm 756: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 757: {
1.14 nicm 758: struct window_pane *wp = ctx->wp;
759: struct screen *s = wp->screen;
1.204 nicm 760: u_int i;
1.1 nicm 761:
762: /*
1.119 nicm 763: * If region is large, schedule a window redraw. In most cases this is
764: * likely to be followed by some more scrolling.
1.1 nicm 765: */
1.119 nicm 766: if (tty_large_region(tty, ctx)) {
1.1 nicm 767: wp->flags |= PANE_REDRAW;
768: return;
769: }
770:
1.14 nicm 771: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
772: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176 nicm 773: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 774: } else {
1.14 nicm 775: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176 nicm 776: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 777: }
778: }
779:
1.271 nicm 780: static void
781: tty_clear_line(struct tty *tty, const struct window_pane *wp, u_int py,
782: u_int px, u_int nx, u_int bg)
783: {
784: log_debug("%s: %u at %u,%u", __func__, nx, px, py);
785:
786: /* Nothing to clear. */
787: if (nx == 0)
788: return;
789:
790: /* If genuine BCE is available, can try escape sequences. */
791: if (!tty_fake_bce(tty, wp, bg)) {
792: /* Off the end of the line, use EL if available. */
793: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
794: tty_cursor(tty, px, py);
795: tty_putcode(tty, TTYC_EL);
796: return;
797: }
798:
799: /* At the start of the line. Use EL1. */
800: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
801: tty_cursor(tty, px + nx - 1, py);
802: tty_putcode(tty, TTYC_EL1);
803: return;
804: }
805:
806: /* Section of line. Use ECH if possible. */
807: if (tty_term_has(tty->term, TTYC_ECH)) {
808: tty_cursor(tty, px, py);
809: tty_putcode1(tty, TTYC_ECH, nx);
810: return;
811: }
812: }
813:
814: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 815: tty_cursor(tty, px, py);
1.271 nicm 816: tty_repeat_space(tty, nx);
817: }
818:
819: static void
820: tty_clear_area(struct tty *tty, const struct window_pane *wp, u_int py,
821: u_int ny, u_int px, u_int nx, u_int bg)
822: {
823: u_int yy;
1.274 nicm 824: char tmp[64];
1.271 nicm 825:
826: log_debug("%s: %u,%u at %u,%u", __func__, nx, ny, px, py);
827:
828: /* Nothing to clear. */
829: if (nx == 0 || ny == 0)
830: return;
831:
832: /* If genuine BCE is available, can try escape sequences. */
833: if (!tty_fake_bce(tty, wp, bg)) {
1.276 nicm 834: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 835: if (px == 0 &&
836: px + nx >= tty->sx &&
837: py + ny >= tty->sy &&
838: tty_term_has(tty->term, TTYC_ED)) {
839: tty_cursor(tty, 0, py);
840: tty_putcode(tty, TTYC_ED);
1.274 nicm 841: return;
842: }
843:
844: /*
1.276 nicm 845: * On VT420 compatible terminals we can use DECFRA if the
846: * background colour isn't default (because it doesn't work
847: * after SGR 0).
1.274 nicm 848: */
849: if (tty->term_type == TTY_VT420 && bg != 8) {
850: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
851: py + 1, px + 1, py + ny, px + nx);
852: tty_puts(tty, tmp);
1.276 nicm 853: return;
854: }
855:
1.280 nicm 856: /* Full lines can be scrolled away to clear them. */
857: if (px == 0 &&
1.281 nicm 858: px + nx >= tty->sx &&
1.280 nicm 859: ny > 2 &&
860: tty_term_has(tty->term, TTYC_CSR) &&
861: tty_term_has(tty->term, TTYC_INDN)) {
862: tty_region(tty, py, py + ny - 1);
863: tty_margin_off(tty);
1.284 nicm 864: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 865: return;
866: }
867:
1.276 nicm 868: /*
869: * If margins are supported, can just scroll the area off to
870: * clear it.
871: */
1.277 nicm 872: if (nx > 2 &&
873: ny > 2 &&
1.280 nicm 874: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 875: tty_use_margin(tty) &&
876: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 877: tty_region(tty, py, py + ny - 1);
878: tty_margin(tty, px, px + nx - 1);
1.284 nicm 879: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 880: return;
881: }
882: }
883:
884: /* Couldn't use an escape sequence, loop over the lines. */
885: for (yy = py; yy < py + ny; yy++)
886: tty_clear_line(tty, wp, yy, px, nx, bg);
887: }
888:
1.1 nicm 889: void
1.176 nicm 890: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
891: u_int oy)
892: {
893: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
894: }
895:
1.298 nicm 896: static const struct grid_cell *
897: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
898: {
899: static struct grid_cell new;
900: u_int n;
901:
902: /* Characters less than 0x7f are always fine, no matter what. */
903: if (gc->data.size == 1 && *gc->data.data < 0x7f)
904: return (gc);
905:
906: /* UTF-8 terminal and a UTF-8 character - fine. */
907: if (tty->flags & TTY_UTF8)
908: return (gc);
909:
910: /* Replace by the right number of underscores. */
911: n = gc->data.width;
912: if (n > UTF8_SIZE)
913: n = UTF8_SIZE;
914: memcpy(&new, gc, sizeof new);
915: new.data.size = n;
916: memset(new.data.data, '_', n);
917: return (&new);
918: }
919:
1.176 nicm 920: void
921: tty_draw_line(struct tty *tty, const struct window_pane *wp,
922: struct screen *s, u_int py, u_int ox, u_int oy)
1.1 nicm 923: {
1.297 nicm 924: struct grid *gd = s->grid;
1.250 nicm 925: struct grid_cell gc, last;
1.298 nicm 926: const struct grid_cell *gcp;
1.292 nicm 927: u_int i, j, ux, sx, nx, width;
1.259 nicm 928: int flags, cleared = 0;
1.250 nicm 929: char buf[512];
1.291 nicm 930: size_t len, old_len;
1.303 nicm 931: u_int cellsize;
1.1 nicm 932:
1.259 nicm 933: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 934: tty->flags |= TTY_NOCURSOR;
935: tty_update_mode(tty, tty->mode, s);
1.35 nicm 936:
1.214 nicm 937: tty_region_off(tty);
938: tty_margin_off(tty);
939:
1.273 nicm 940: /*
941: * Clamp the width to cellsize - note this is not cellused, because
942: * there may be empty background cells after it (from BCE).
943: */
1.1 nicm 944: sx = screen_size_x(s);
1.303 nicm 945:
946: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
947: if (sx > cellsize)
948: sx = cellsize;
1.1 nicm 949: if (sx > tty->sx)
950: sx = tty->sx;
1.292 nicm 951: ux = 0;
1.1 nicm 952:
1.268 nicm 953: if (wp == NULL ||
954: py == 0 ||
1.303 nicm 955: (~grid_get_line(gd, gd->hsize + py - 1)->flags & GRID_LINE_WRAPPED) ||
1.268 nicm 956: ox != 0 ||
957: tty->cx < tty->sx ||
958: screen_size_x(s) < tty->sx) {
959: if (screen_size_x(s) < tty->sx &&
960: ox == 0 &&
961: sx != screen_size_x(s) &&
962: tty_term_has(tty->term, TTYC_EL1) &&
963: !tty_fake_bce(tty, wp, 8)) {
964: tty_default_attributes(tty, wp, 8);
965: tty_cursor(tty, screen_size_x(s) - 1, oy + py);
966: tty_putcode(tty, TTYC_EL1);
967: cleared = 1;
968: }
969: if (sx != 0)
970: tty_cursor(tty, ox, oy + py);
971: } else
972: log_debug("%s: wrapped line %u", __func__, oy + py);
1.250 nicm 973:
974: memcpy(&last, &grid_default_cell, sizeof last);
975: len = 0;
976: width = 0;
1.46 nicm 977:
1.1 nicm 978: for (i = 0; i < sx; i++) {
1.297 nicm 979: grid_view_get_cell(gd, i, py, &gc);
1.298 nicm 980: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 981: if (len != 0 &&
1.298 nicm 982: ((gcp->attr & GRID_ATTR_CHARSET) ||
983: gcp->flags != last.flags ||
984: gcp->attr != last.attr ||
985: gcp->fg != last.fg ||
986: gcp->bg != last.bg ||
987: ux + width + gcp->data.width >= screen_size_x(s) ||
988: (sizeof buf) - len < gcp->data.size)) {
1.250 nicm 989: tty_attributes(tty, &last, wp);
990: tty_putn(tty, buf, len, width);
1.292 nicm 991: ux += width;
1.250 nicm 992:
993: len = 0;
994: width = 0;
995: }
996:
1.298 nicm 997: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 998: screen_select_cell(s, &last, gcp);
1.250 nicm 999: else
1.299 nicm 1000: memcpy(&last, gcp, sizeof last);
1001: if (ux + gcp->data.width > screen_size_x(s)) {
1002: tty_attributes(tty, &last, wp);
1.298 nicm 1003: for (j = 0; j < gcp->data.width; j++) {
1.297 nicm 1004: if (ux + j > screen_size_x(s))
1005: break;
1006: tty_putc(tty, ' ');
1007: ux++;
1008: }
1.299 nicm 1009: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1010: tty_attributes(tty, &last, wp);
1011: for (j = 0; j < gcp->data.size; j++)
1012: tty_putc(tty, gcp->data.data[j]);
1013: ux += gc.data.width;
1014: } else {
1.298 nicm 1015: memcpy(buf + len, gcp->data.data, gcp->data.size);
1016: len += gcp->data.size;
1017: width += gcp->data.width;
1.250 nicm 1018: }
1019: }
1020: if (len != 0) {
1.291 nicm 1021: if (grid_cells_equal(&last, &grid_default_cell)) {
1022: old_len = len;
1.292 nicm 1023: while (len > 0 && buf[len - 1] == ' ') {
1.291 nicm 1024: len--;
1.292 nicm 1025: width--;
1026: }
1.291 nicm 1027: log_debug("%s: trimmed %zu spaces", __func__,
1028: old_len - len);
1029: }
1030: if (len != 0) {
1031: tty_attributes(tty, &last, wp);
1032: tty_putn(tty, buf, len, width);
1.292 nicm 1033: ux += width;
1.291 nicm 1034: }
1.1 nicm 1035: }
1036:
1.297 nicm 1037: if (!cleared && ux < screen_size_x(s)) {
1038: nx = screen_size_x(s) - ux;
1.210 nicm 1039: tty_default_attributes(tty, wp, 8);
1.292 nicm 1040: tty_clear_line(tty, wp, oy + py, ox + ux, nx, 8);
1.35 nicm 1041: }
1.1 nicm 1042:
1.181 nicm 1043: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1044: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1045: }
1046:
1.201 nicm 1047: static int
1.182 nicm 1048: tty_client_ready(struct client *c, struct window_pane *wp)
1049: {
1050: if (c->session == NULL || c->tty.term == NULL)
1051: return (0);
1.305 nicm 1052: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1053: return (0);
1054: if (c->tty.flags & TTY_FREEZE)
1055: return (0);
1056: if (c->session->curw->window != wp->window)
1057: return (0);
1058: return (1);
1059: }
1060:
1.15 nicm 1061: void
1.182 nicm 1062: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1063: struct tty_ctx *ctx)
1.15 nicm 1064: {
1065: struct window_pane *wp = ctx->wp;
1066: struct client *c;
1067:
1.75 nicm 1068: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 1069: if (wp == NULL)
1070: return;
1071:
1.260 nicm 1072: if ((wp->flags & (PANE_REDRAW|PANE_DROP)) || !window_pane_visible(wp))
1.15 nicm 1073: return;
1074:
1.178 nicm 1075: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 1076: if (!tty_client_ready(c, wp))
1.15 nicm 1077: continue;
1078:
1.139 nicm 1079: ctx->xoff = wp->xoff;
1080: ctx->yoff = wp->yoff;
1081: if (status_at_line(c) == 0)
1.296 nicm 1082: ctx->yoff += status_line_size(c->session);
1.113 nicm 1083:
1.139 nicm 1084: cmdfn(&c->tty, ctx);
1.1 nicm 1085: }
1086: }
1087:
1088: void
1.24 nicm 1089: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1090: {
1.77 nicm 1091: struct window_pane *wp = ctx->wp;
1.1 nicm 1092:
1.210 nicm 1093: if (!tty_pane_full_width(tty, ctx) ||
1094: tty_fake_bce(tty, wp, ctx->bg) ||
1095: (!tty_term_has(tty->term, TTYC_ICH) &&
1096: !tty_term_has(tty->term, TTYC_ICH1))) {
1.176 nicm 1097: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 1098: return;
1099: }
1100:
1.210 nicm 1101: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1102:
1.77 nicm 1103: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1104:
1.206 nicm 1105: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1106: }
1107:
1108: void
1.24 nicm 1109: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1110: {
1.77 nicm 1111: struct window_pane *wp = ctx->wp;
1.1 nicm 1112:
1.210 nicm 1113: if (!tty_pane_full_width(tty, ctx) ||
1114: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 1115: (!tty_term_has(tty->term, TTYC_DCH) &&
1116: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 1117: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 1118: return;
1119: }
1120:
1.210 nicm 1121: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1122:
1.77 nicm 1123: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1124:
1.206 nicm 1125: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1126: }
1127:
1128: void
1129: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1130: {
1.275 nicm 1131: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.146 nicm 1132:
1133: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1134:
1.210 nicm 1135: if (tty_term_has(tty->term, TTYC_ECH) &&
1.262 nicm 1136: !tty_fake_bce(tty, ctx->wp, 8))
1.146 nicm 1137: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1138: else
1139: tty_repeat_space(tty, ctx->num);
1.1 nicm 1140: }
1141:
1142: void
1.24 nicm 1143: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1144: {
1.210 nicm 1145: if (!tty_pane_full_width(tty, ctx) ||
1146: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 1147: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 1148: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 1149: tty_redraw_region(tty, ctx);
1.1 nicm 1150: return;
1151: }
1152:
1.210 nicm 1153: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1154:
1.77 nicm 1155: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1156: tty_margin_off(tty);
1.77 nicm 1157: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1158:
1.12 nicm 1159: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1160: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1161: }
1162:
1163: void
1.24 nicm 1164: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1165: {
1.210 nicm 1166: if (!tty_pane_full_width(tty, ctx) ||
1167: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 1168: !tty_term_has(tty->term, TTYC_CSR) ||
1169: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 1170: tty_redraw_region(tty, ctx);
1.1 nicm 1171: return;
1172: }
1173:
1.210 nicm 1174: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1175:
1.77 nicm 1176: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1177: tty_margin_off(tty);
1.77 nicm 1178: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1179:
1.12 nicm 1180: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1181: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1182: }
1183:
1184: void
1.24 nicm 1185: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1186: {
1.77 nicm 1187: struct window_pane *wp = ctx->wp;
1.271 nicm 1188: u_int nx, py = ctx->yoff + ctx->ocy;
1.1 nicm 1189:
1.210 nicm 1190: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1191:
1.271 nicm 1192: nx = screen_size_x(wp->screen);
1193: tty_clear_line(tty, wp, py, ctx->xoff, nx, ctx->bg);
1.1 nicm 1194: }
1195:
1196: void
1.24 nicm 1197: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1198: {
1.77 nicm 1199: struct window_pane *wp = ctx->wp;
1.271 nicm 1200: u_int nx, py = ctx->yoff + ctx->ocy;
1.1 nicm 1201:
1.210 nicm 1202: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1203:
1.271 nicm 1204: nx = screen_size_x(wp->screen) - ctx->ocx;
1205: tty_clear_line(tty, wp, py, ctx->xoff + ctx->ocx, nx, ctx->bg);
1.1 nicm 1206: }
1207:
1208: void
1.24 nicm 1209: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1210: {
1.210 nicm 1211: struct window_pane *wp = ctx->wp;
1.282 nicm 1212: u_int py = ctx->yoff + ctx->ocy;
1.210 nicm 1213:
1214: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1215:
1.271 nicm 1216: tty_clear_line(tty, wp, py, ctx->xoff, ctx->ocx + 1, ctx->bg);
1.1 nicm 1217: }
1218:
1219: void
1.24 nicm 1220: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1221: {
1.278 nicm 1222: struct window_pane *wp = ctx->wp;
1223:
1.56 nicm 1224: if (ctx->ocy != ctx->orupper)
1225: return;
1226:
1.210 nicm 1227: if (!tty_pane_full_width(tty, ctx) ||
1.278 nicm 1228: tty_fake_bce(tty, wp, 8) ||
1.70 nicm 1229: !tty_term_has(tty->term, TTYC_CSR) ||
1230: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 1231: tty_redraw_region(tty, ctx);
1.1 nicm 1232: return;
1233: }
1234:
1.278 nicm 1235: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1236:
1.56 nicm 1237: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1238: tty_margin_off(tty);
1.56 nicm 1239: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1240:
1.56 nicm 1241: tty_putcode(tty, TTYC_RI);
1.1 nicm 1242: }
1243:
1244: void
1.24 nicm 1245: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1246: {
1.77 nicm 1247: struct window_pane *wp = ctx->wp;
1.1 nicm 1248:
1.56 nicm 1249: if (ctx->ocy != ctx->orlower)
1250: return;
1251:
1.212 nicm 1252: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1253: tty_fake_bce(tty, wp, 8) ||
1.1 nicm 1254: !tty_term_has(tty->term, TTYC_CSR)) {
1.236 nicm 1255: tty_redraw_region(tty, ctx);
1.1 nicm 1256: return;
1257: }
1.52 nicm 1258:
1.278 nicm 1259: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1260:
1.56 nicm 1261: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1262: tty_margin_pane(tty, ctx);
1263:
1264: /*
1.301 nicm 1265: * If we want to wrap a pane while using margins, the cursor needs to
1266: * be exactly on the right of the region. If the cursor is entirely off
1267: * the edge - move it back to the right. Some terminals are funny about
1268: * this and insert extra spaces, so only use the right if margins are
1269: * enabled.
1.212 nicm 1270: */
1.301 nicm 1271: if (ctx->xoff + ctx->ocx > tty->rright) {
1272: if (!tty_use_margin(tty))
1273: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1274: else
1275: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1276: } else
1.212 nicm 1277: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1278:
1.56 nicm 1279: tty_putc(tty, '\n');
1.240 nicm 1280: }
1281:
1282: void
1283: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1284: {
1285: struct window_pane *wp = ctx->wp;
1.284 nicm 1286: u_int i;
1.240 nicm 1287:
1288: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1289: tty_fake_bce(tty, wp, 8) ||
1.240 nicm 1290: !tty_term_has(tty->term, TTYC_CSR)) {
1291: tty_redraw_region(tty, ctx);
1292: return;
1293: }
1294:
1.278 nicm 1295: tty_default_attributes(tty, wp, ctx->bg);
1.240 nicm 1296:
1297: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1298: tty_margin_pane(tty, ctx);
1299:
1.284 nicm 1300: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1301: if (!tty_use_margin(tty))
1302: tty_cursor(tty, 0, tty->rlower);
1303: else
1304: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1305: for (i = 0; i < ctx->num; i++)
1.240 nicm 1306: tty_putc(tty, '\n');
1.301 nicm 1307: } else {
1308: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1309: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.301 nicm 1310: }
1.1 nicm 1311: }
1312:
1313: void
1.24 nicm 1314: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1315: {
1.77 nicm 1316: struct window_pane *wp = ctx->wp;
1.271 nicm 1317: u_int px, py, nx, ny;
1.1 nicm 1318:
1.210 nicm 1319: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1320:
1.271 nicm 1321: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1322: tty_margin_off(tty);
1.39 nicm 1323:
1.271 nicm 1324: px = ctx->xoff;
1325: nx = screen_size_x(wp->screen);
1326: py = ctx->yoff + ctx->ocy + 1;
1327: ny = screen_size_y(wp->screen) - ctx->ocy - 1;
1328:
1329: tty_clear_area(tty, wp, py, ny, px, nx, ctx->bg);
1330:
1331: px = ctx->xoff + ctx->ocx;
1332: nx = screen_size_x(wp->screen) - ctx->ocx;
1333: py = ctx->yoff + ctx->ocy;
1334:
1335: tty_clear_line(tty, wp, py, px, nx, ctx->bg);
1.1 nicm 1336: }
1337:
1338: void
1.24 nicm 1339: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1340: {
1.77 nicm 1341: struct window_pane *wp = ctx->wp;
1.271 nicm 1342: u_int px, py, nx, ny;
1.1 nicm 1343:
1.227 nicm 1344: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1345:
1.271 nicm 1346: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1347: tty_margin_off(tty);
1.39 nicm 1348:
1.271 nicm 1349: px = ctx->xoff;
1350: nx = screen_size_x(wp->screen);
1351: py = ctx->yoff;
1352: ny = ctx->ocy - 1;
1353:
1354: tty_clear_area(tty, wp, py, ny, px, nx, ctx->bg);
1355:
1356: px = ctx->xoff;
1357: nx = ctx->ocx + 1;
1358: py = ctx->yoff + ctx->ocy;
1359:
1360: tty_clear_line(tty, wp, py, px, nx, ctx->bg);
1.1 nicm 1361: }
1362:
1363: void
1.24 nicm 1364: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1365: {
1.77 nicm 1366: struct window_pane *wp = ctx->wp;
1.271 nicm 1367: u_int px, py, nx, ny;
1.1 nicm 1368:
1.210 nicm 1369: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1370:
1.271 nicm 1371: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1372: tty_margin_off(tty);
1.39 nicm 1373:
1.271 nicm 1374: px = ctx->xoff;
1375: nx = screen_size_x(wp->screen);
1376: py = ctx->yoff;
1377: ny = screen_size_y(wp->screen);
1378:
1379: tty_clear_area(tty, wp, py, ny, px, nx, ctx->bg);
1.4 nicm 1380: }
1381:
1382: void
1.24 nicm 1383: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1384: {
1.12 nicm 1385: struct window_pane *wp = ctx->wp;
1386: struct screen *s = wp->screen;
1387: u_int i, j;
1.4 nicm 1388:
1.176 nicm 1389: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1390:
1.39 nicm 1391: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1392: tty_margin_off(tty);
1.4 nicm 1393:
1394: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1395: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1396: for (i = 0; i < screen_size_x(s); i++)
1397: tty_putc(tty, 'E');
1.1 nicm 1398: }
1399: }
1400:
1401: void
1.24 nicm 1402: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1403: {
1.306 ! nicm 1404: if (ctx->xoff + ctx->ocx > tty->sx - 1 &&
! 1405: ctx->ocy == ctx->orlower &&
! 1406: tty_pane_full_width(tty, ctx))
! 1407: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1408:
1.306 ! nicm 1409: tty_margin_off(tty);
1.253 nicm 1410: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1411:
1.237 nicm 1412: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1413: }
1414:
1415: void
1416: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1417: {
1.306 ! nicm 1418: tty_margin_off(tty);
1.253 nicm 1419: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1420:
1421: tty_attributes(tty, ctx->cell, ctx->wp);
1422: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1423: }
1424:
1425: void
1426: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1427: {
1428: char *buf;
1429: size_t off;
1430:
1431: if (!tty_term_has(tty->term, TTYC_MS))
1432: return;
1433:
1434: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1435: buf = xmalloc(off);
1436:
1437: b64_ntop(ctx->ptr, ctx->num, buf, off);
1438: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1439:
1.138 nicm 1440: free(buf);
1.100 nicm 1441: }
1442:
1443: void
1444: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1445: {
1.256 nicm 1446: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1447: tty_invalidate(tty);
1.1 nicm 1448: }
1449:
1.207 nicm 1450: static void
1.176 nicm 1451: tty_cell(struct tty *tty, const struct grid_cell *gc,
1452: const struct window_pane *wp)
1.1 nicm 1453: {
1.298 nicm 1454: const struct grid_cell *gcp;
1.1 nicm 1455:
1456: /* Skip last character if terminal is stupid. */
1.211 nicm 1457: if ((tty->term->flags & TERM_EARLYWRAP) &&
1458: tty->cy == tty->sy - 1 &&
1459: tty->cx == tty->sx - 1)
1.1 nicm 1460: return;
1461:
1462: /* If this is a padding character, do nothing. */
1463: if (gc->flags & GRID_FLAG_PADDING)
1464: return;
1465:
1466: /* Set the attributes. */
1.176 nicm 1467: tty_attributes(tty, gc, wp);
1.1 nicm 1468:
1.147 nicm 1469: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.298 nicm 1470: gcp = tty_check_codeset(tty, gc);
1471: if (gcp->data.size == 1) {
1472: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 1473: return;
1.298 nicm 1474: tty_putc(tty, *gcp->data.data);
1.1 nicm 1475: return;
1476: }
1477:
1.147 nicm 1478: /* Write the data. */
1.298 nicm 1479: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 1480: }
1481:
1482: void
1483: tty_reset(struct tty *tty)
1484: {
1485: struct grid_cell *gc = &tty->cell;
1486:
1.228 nicm 1487: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 1488: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 1489: tty_putcode(tty, TTYC_RMACS);
1490: tty_putcode(tty, TTYC_SGR0);
1491: memcpy(gc, &grid_default_cell, sizeof *gc);
1492: }
1.1 nicm 1493:
1.228 nicm 1494: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1495: tty->last_wp = -1;
1.242 nicm 1496: }
1497:
1498: static void
1499: tty_invalidate(struct tty *tty)
1500: {
1501: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1502:
1503: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1504: tty->last_wp = -1;
1505:
1506: tty->cx = tty->cy = UINT_MAX;
1507:
1508: tty->rupper = tty->rleft = UINT_MAX;
1509: tty->rlower = tty->rright = UINT_MAX;
1510:
1511: if (tty->flags & TTY_STARTED) {
1512: tty_putcode(tty, TTYC_SGR0);
1513:
1514: tty->mode = ALL_MODES;
1515: tty_update_mode(tty, MODE_CURSOR, NULL);
1516:
1517: tty_cursor(tty, 0, 0);
1518: tty_region_off(tty);
1519: tty_margin_off(tty);
1520: } else
1521: tty->mode = MODE_CURSOR;
1.1 nicm 1522: }
1523:
1.214 nicm 1524: /* Turn off margin. */
1525: void
1526: tty_region_off(struct tty *tty)
1527: {
1528: tty_region(tty, 0, tty->sy - 1);
1529: }
1530:
1.40 nicm 1531: /* Set region inside pane. */
1.208 nicm 1532: static void
1.196 nicm 1533: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1534: u_int rlower)
1.1 nicm 1535: {
1.113 nicm 1536: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1537: }
1538:
1.40 nicm 1539: /* Set region at absolute position. */
1.214 nicm 1540: static void
1.40 nicm 1541: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1542: {
1543: if (tty->rlower == rlower && tty->rupper == rupper)
1544: return;
1.1 nicm 1545: if (!tty_term_has(tty->term, TTYC_CSR))
1546: return;
1.39 nicm 1547:
1548: tty->rupper = rupper;
1549: tty->rlower = rlower;
1.55 nicm 1550:
1551: /*
1552: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1553: * 0,0 if it is beyond the last column (they do not reset their wrap
1554: * flag so further output causes a line feed). As a workaround, do an
1555: * explicit move to 0 first.
1556: */
1557: if (tty->cx >= tty->sx)
1558: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1559:
1.39 nicm 1560: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 1561: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 1562: }
1563:
1.214 nicm 1564: /* Turn off margin. */
1565: void
1566: tty_margin_off(struct tty *tty)
1567: {
1568: tty_margin(tty, 0, tty->sx - 1);
1569: }
1570:
1.212 nicm 1571: /* Set margin inside pane. */
1572: static void
1573: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
1574: {
1575: tty_margin(tty, ctx->xoff, ctx->xoff + ctx->wp->sx - 1);
1576: }
1577:
1578: /* Set margin at absolute position. */
1.214 nicm 1579: static void
1.212 nicm 1580: tty_margin(struct tty *tty, u_int rleft, u_int rright)
1581: {
1582: char s[64];
1583:
1584: if (!tty_use_margin(tty))
1585: return;
1586: if (tty->rleft == rleft && tty->rright == rright)
1587: return;
1588:
1.232 nicm 1589: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 1590:
1.212 nicm 1591: tty->rleft = rleft;
1592: tty->rright = rright;
1593:
1.232 nicm 1594: if (rleft == 0 && rright == tty->sx - 1)
1595: snprintf(s, sizeof s, "\033[s");
1596: else
1597: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 1598: tty_puts(tty, s);
1.249 nicm 1599: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 1600: }
1601:
1602: /*
1603: * Move the cursor, unless it would wrap itself when the next character is
1604: * printed.
1605: */
1606: static void
1607: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
1608: u_int cx, u_int cy)
1609: {
1.268 nicm 1610: if (!ctx->wrapped ||
1611: !tty_pane_full_width(tty, ctx) ||
1.253 nicm 1612: (tty->term->flags & TERM_EARLYWRAP) ||
1613: ctx->xoff + cx != 0 ||
1614: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 1615: tty->cx < tty->sx ||
1616: tty->cy == tty->rlower)
1.253 nicm 1617: tty_cursor_pane(tty, ctx, cx, cy);
1618: else
1619: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 1620: }
1621:
1.42 nicm 1622: /* Move cursor inside pane. */
1.208 nicm 1623: static void
1.41 nicm 1624: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1625: {
1.113 nicm 1626: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1627: }
1628:
1.42 nicm 1629: /* Move cursor to absolute position. */
1.41 nicm 1630: void
1631: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1632: {
1.42 nicm 1633: struct tty_term *term = tty->term;
1634: u_int thisx, thisy;
1635: int change;
1.77 nicm 1636:
1.42 nicm 1637: if (cx > tty->sx - 1)
1638: cx = tty->sx - 1;
1639:
1640: thisx = tty->cx;
1641: thisy = tty->cy;
1642:
1643: /* No change. */
1644: if (cx == thisx && cy == thisy)
1645: return;
1646:
1.43 nicm 1647: /* Very end of the line, just use absolute movement. */
1648: if (thisx > tty->sx - 1)
1649: goto absolute;
1650:
1.42 nicm 1651: /* Move to home position (0, 0). */
1652: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1653: tty_putcode(tty, TTYC_HOME);
1654: goto out;
1655: }
1656:
1657: /* Zero on the next line. */
1.293 nicm 1658: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
1659: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 1660: tty_putc(tty, '\r');
1.42 nicm 1661: tty_putc(tty, '\n');
1662: goto out;
1663: }
1664:
1.45 nicm 1665: /* Moving column or row. */
1.42 nicm 1666: if (cy == thisy) {
1.45 nicm 1667: /*
1668: * Moving column only, row staying the same.
1669: */
1670:
1.42 nicm 1671: /* To left edge. */
1.294 nicm 1672: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 1673: tty_putc(tty, '\r');
1674: goto out;
1675: }
1676:
1677: /* One to the left. */
1678: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1679: tty_putcode(tty, TTYC_CUB1);
1680: goto out;
1681: }
1682:
1683: /* One to the right. */
1684: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1685: tty_putcode(tty, TTYC_CUF1);
1686: goto out;
1687: }
1688:
1689: /* Calculate difference. */
1690: change = thisx - cx; /* +ve left, -ve right */
1691:
1692: /*
1693: * Use HPA if change is larger than absolute, otherwise move
1694: * the cursor with CUB/CUF.
1695: */
1.87 nicm 1696: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1697: tty_putcode1(tty, TTYC_HPA, cx);
1698: goto out;
1699: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1.202 nicm 1700: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
1701: tty_putcode(tty, TTYC_CUB1);
1702: tty_putcode(tty, TTYC_CUB1);
1703: goto out;
1704: }
1.42 nicm 1705: tty_putcode1(tty, TTYC_CUB, change);
1706: goto out;
1707: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1708: tty_putcode1(tty, TTYC_CUF, -change);
1709: goto out;
1710: }
1.45 nicm 1711: } else if (cx == thisx) {
1712: /*
1713: * Moving row only, column staying the same.
1714: */
1.42 nicm 1715:
1716: /* One above. */
1.77 nicm 1717: if (thisy != tty->rupper &&
1.42 nicm 1718: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1719: tty_putcode(tty, TTYC_CUU1);
1720: goto out;
1721: }
1722:
1723: /* One below. */
1.49 nicm 1724: if (thisy != tty->rlower &&
1.42 nicm 1725: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1726: tty_putcode(tty, TTYC_CUD1);
1727: goto out;
1728: }
1729:
1730: /* Calculate difference. */
1731: change = thisy - cy; /* +ve up, -ve down */
1732:
1733: /*
1.77 nicm 1734: * Try to use VPA if change is larger than absolute or if this
1735: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1736: */
1.87 nicm 1737: if ((u_int) abs(change) > cy ||
1.42 nicm 1738: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1739: (change > 0 && cy - change < tty->rupper)) {
1740: if (tty_term_has(term, TTYC_VPA)) {
1741: tty_putcode1(tty, TTYC_VPA, cy);
1742: goto out;
1743: }
1.42 nicm 1744: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1745: tty_putcode1(tty, TTYC_CUU, change);
1746: goto out;
1747: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1748: tty_putcode1(tty, TTYC_CUD, -change);
1749: goto out;
1750: }
1751: }
1752:
1.43 nicm 1753: absolute:
1.42 nicm 1754: /* Absolute movement. */
1755: tty_putcode2(tty, TTYC_CUP, cy, cx);
1756:
1757: out:
1758: tty->cx = cx;
1759: tty->cy = cy;
1.1 nicm 1760: }
1761:
1762: void
1.176 nicm 1763: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1764: const struct window_pane *wp)
1.1 nicm 1765: {
1.63 nicm 1766: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 1767: int changed;
1.61 nicm 1768:
1.228 nicm 1769: /* Ignore cell if it is the same as the last one. */
1770: if (wp != NULL &&
1771: (int)wp->id == tty->last_wp &&
1772: ~(wp->window->flags & WINDOW_STYLECHANGED) &&
1773: gc->attr == tty->last_cell.attr &&
1774: gc->fg == tty->last_cell.fg &&
1775: gc->bg == tty->last_cell.bg)
1776: return;
1777: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
1778: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
1779:
1780: /* Copy cell and update default colours. */
1.85 nicm 1781: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 1782: if (wp != NULL)
1783: tty_default_colours(&gc2, wp);
1.63 nicm 1784:
1.18 nicm 1785: /*
1786: * If no setab, try to use the reverse attribute as a best-effort for a
1787: * non-default background. This is a bit of a hack but it doesn't do
1788: * any serious harm and makes a couple of applications happier.
1789: */
1790: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1791: if (gc2.attr & GRID_ATTR_REVERSE) {
1792: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1793: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1794: } else {
1.85 nicm 1795: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1796: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1797: }
1798: }
1.1 nicm 1799:
1.85 nicm 1800: /* Fix up the colours if necessary. */
1.219 nicm 1801: tty_check_fg(tty, wp, &gc2);
1802: tty_check_bg(tty, wp, &gc2);
1.85 nicm 1803:
1.64 nicm 1804: /* If any bits are being cleared, reset everything. */
1.85 nicm 1805: if (tc->attr & ~gc2.attr)
1.64 nicm 1806: tty_reset(tty);
1807:
1808: /*
1809: * Set the colours. This may call tty_reset() (so it comes next) and
1810: * may add to (NOT remove) the desired attributes by changing new_attr.
1811: */
1.85 nicm 1812: tty_colours(tty, &gc2);
1.64 nicm 1813:
1.1 nicm 1814: /* Filter out attribute bits already set. */
1.85 nicm 1815: changed = gc2.attr & ~tc->attr;
1816: tc->attr = gc2.attr;
1.1 nicm 1817:
1818: /* Set the attributes. */
1819: if (changed & GRID_ATTR_BRIGHT)
1820: tty_putcode(tty, TTYC_BOLD);
1821: if (changed & GRID_ATTR_DIM)
1822: tty_putcode(tty, TTYC_DIM);
1.180 nicm 1823: if (changed & GRID_ATTR_ITALICS)
1824: tty_set_italics(tty);
1.1 nicm 1825: if (changed & GRID_ATTR_UNDERSCORE)
1826: tty_putcode(tty, TTYC_SMUL);
1827: if (changed & GRID_ATTR_BLINK)
1828: tty_putcode(tty, TTYC_BLINK);
1829: if (changed & GRID_ATTR_REVERSE) {
1830: if (tty_term_has(tty->term, TTYC_REV))
1831: tty_putcode(tty, TTYC_REV);
1832: else if (tty_term_has(tty->term, TTYC_SMSO))
1833: tty_putcode(tty, TTYC_SMSO);
1834: }
1835: if (changed & GRID_ATTR_HIDDEN)
1836: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 1837: if (changed & GRID_ATTR_STRIKETHROUGH)
1838: tty_putcode(tty, TTYC_SMXX);
1.285 nicm 1839: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 1840: tty_putcode(tty, TTYC_SMACS);
1841: }
1842:
1.207 nicm 1843: static void
1.85 nicm 1844: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1845: {
1.61 nicm 1846: struct grid_cell *tc = &tty->cell;
1.204 nicm 1847: int have_ax;
1.61 nicm 1848:
1849: /* No changes? Nothing is necessary. */
1.204 nicm 1850: if (gc->fg == tc->fg && gc->bg == tc->bg)
1.63 nicm 1851: return;
1.1 nicm 1852:
1.61 nicm 1853: /*
1854: * Is either the default colour? This is handled specially because the
1855: * best solution might be to reset both colours to default, in which
1856: * case if only one is default need to fall onward to set the other
1857: * colour.
1858: */
1.204 nicm 1859: if (gc->fg == 8 || gc->bg == 8) {
1.61 nicm 1860: /*
1861: * If don't have AX but do have op, send sgr0 (op can't
1862: * actually be used because it is sometimes the same as sgr0
1863: * and sometimes isn't). This resets both colours to default.
1864: *
1865: * Otherwise, try to set the default colour only as needed.
1866: */
1.174 nicm 1867: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 1868: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1869: tty_reset(tty);
1870: else {
1.204 nicm 1871: if (gc->fg == 8 && tc->fg != 8) {
1.61 nicm 1872: if (have_ax)
1873: tty_puts(tty, "\033[39m");
1.204 nicm 1874: else if (tc->fg != 7)
1.61 nicm 1875: tty_putcode1(tty, TTYC_SETAF, 7);
1876: tc->fg = 8;
1877: }
1.204 nicm 1878: if (gc->bg == 8 && tc->bg != 8) {
1.77 nicm 1879: if (have_ax)
1.61 nicm 1880: tty_puts(tty, "\033[49m");
1.204 nicm 1881: else if (tc->bg != 0)
1.61 nicm 1882: tty_putcode1(tty, TTYC_SETAB, 0);
1883: tc->bg = 8;
1884: }
1885: }
1886: }
1.1 nicm 1887:
1.61 nicm 1888: /* Set the foreground colour. */
1.204 nicm 1889: if (gc->fg != 8 && gc->fg != tc->fg)
1.85 nicm 1890: tty_colours_fg(tty, gc);
1.1 nicm 1891:
1.61 nicm 1892: /*
1893: * Set the background colour. This must come after the foreground as
1894: * tty_colour_fg() can call tty_reset().
1895: */
1.204 nicm 1896: if (gc->bg != 8 && gc->bg != tc->bg)
1.73 nicm 1897: tty_colours_bg(tty, gc);
1.1 nicm 1898: }
1899:
1.219 nicm 1900: static void
1901: tty_check_fg(struct tty *tty, const struct window_pane *wp,
1902: struct grid_cell *gc)
1.85 nicm 1903: {
1.204 nicm 1904: u_char r, g, b;
1905: u_int colours;
1.223 nicm 1906: int c;
1.85 nicm 1907:
1.288 nicm 1908: /*
1909: * Perform substitution if this pane has a palette. If the bright
1910: * attribute is set, use the bright entry in the palette by changing to
1911: * the aixterm colour.
1912: */
1913: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1914: c = gc->fg;
1.289 nicm 1915: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 1916: c += 90;
1917: if ((c = window_pane_get_palette(wp, c)) != -1)
1918: gc->fg = c;
1919: }
1.219 nicm 1920:
1.199 nicm 1921: /* Is this a 24-bit colour? */
1.204 nicm 1922: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 1923: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.286 nicm 1924: if (!tty_term_has(tty->term, TTYC_SETRGBF)) {
1.204 nicm 1925: colour_split_rgb(gc->fg, &r, &g, &b);
1926: gc->fg = colour_find_rgb(r, g, b);
1927: } else
1.200 nicm 1928: return;
1.199 nicm 1929: }
1.224 nicm 1930:
1931: /* How many colours does this terminal have? */
1932: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1933: colours = 256;
1934: else
1935: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1936:
1.85 nicm 1937: /* Is this a 256-colour colour? */
1.204 nicm 1938: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 1939: /* And not a 256 colour mode? */
1.224 nicm 1940: if (colours != 256) {
1.85 nicm 1941: gc->fg = colour_256to16(gc->fg);
1942: if (gc->fg & 8) {
1943: gc->fg &= 7;
1.175 nicm 1944: if (colours >= 16)
1945: gc->fg += 90;
1946: else
1947: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1948: } else
1949: gc->attr &= ~GRID_ATTR_BRIGHT;
1950: }
1951: return;
1952: }
1953:
1954: /* Is this an aixterm colour? */
1955: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1956: gc->fg -= 90;
1957: gc->attr |= GRID_ATTR_BRIGHT;
1958: }
1959: }
1960:
1.219 nicm 1961: static void
1962: tty_check_bg(struct tty *tty, const struct window_pane *wp,
1963: struct grid_cell *gc)
1.85 nicm 1964: {
1.204 nicm 1965: u_char r, g, b;
1966: u_int colours;
1.223 nicm 1967: int c;
1.85 nicm 1968:
1.288 nicm 1969: /* Perform substitution if this pane has a palette. */
1970: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1971: if ((c = window_pane_get_palette(wp, gc->bg)) != -1)
1972: gc->bg = c;
1973: }
1.219 nicm 1974:
1.199 nicm 1975: /* Is this a 24-bit colour? */
1.204 nicm 1976: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 1977: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.286 nicm 1978: if (!tty_term_has(tty->term, TTYC_SETRGBB)) {
1.204 nicm 1979: colour_split_rgb(gc->bg, &r, &g, &b);
1980: gc->bg = colour_find_rgb(r, g, b);
1981: } else
1.200 nicm 1982: return;
1.199 nicm 1983: }
1.224 nicm 1984:
1985: /* How many colours does this terminal have? */
1986: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1987: colours = 256;
1988: else
1989: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1990:
1.85 nicm 1991: /* Is this a 256-colour colour? */
1.204 nicm 1992: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 1993: /*
1994: * And not a 256 colour mode? Translate to 16-colour
1995: * palette. Bold background doesn't exist portably, so just
1996: * discard the bold bit if set.
1997: */
1.224 nicm 1998: if (colours != 256) {
1.85 nicm 1999: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2000: if (gc->bg & 8) {
1.85 nicm 2001: gc->bg &= 7;
1.175 nicm 2002: if (colours >= 16)
2003: gc->fg += 90;
2004: }
1.85 nicm 2005: }
2006: return;
2007: }
2008:
2009: /* Is this an aixterm colour? */
1.175 nicm 2010: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2011: gc->bg -= 90;
2012: }
2013:
1.207 nicm 2014: static void
1.85 nicm 2015: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2016: {
1.61 nicm 2017: struct grid_cell *tc = &tty->cell;
1.79 nicm 2018: char s[32];
1.1 nicm 2019:
1.204 nicm 2020: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2021: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2022: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 2023: goto save_fg;
1.199 nicm 2024: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2025: return;
1.1 nicm 2026: }
2027:
1.79 nicm 2028: /* Is this an aixterm bright colour? */
1.204 nicm 2029: if (gc->fg >= 90 && gc->fg <= 97) {
2030: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
1.85 nicm 2031: tty_puts(tty, s);
2032: goto save_fg;
1.79 nicm 2033: }
2034:
1.61 nicm 2035: /* Otherwise set the foreground colour. */
1.204 nicm 2036: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2037:
1.77 nicm 2038: save_fg:
1.61 nicm 2039: /* Save the new values in the terminal current cell. */
1.204 nicm 2040: tc->fg = gc->fg;
1.1 nicm 2041: }
2042:
1.207 nicm 2043: static void
1.73 nicm 2044: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2045: {
1.61 nicm 2046: struct grid_cell *tc = &tty->cell;
1.79 nicm 2047: char s[32];
1.1 nicm 2048:
1.204 nicm 2049: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2050: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2051: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 2052: goto save_bg;
1.199 nicm 2053: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2054: return;
1.79 nicm 2055: }
2056:
2057: /* Is this an aixterm bright colour? */
1.204 nicm 2058: if (gc->bg >= 90 && gc->bg <= 97) {
2059: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
1.175 nicm 2060: tty_puts(tty, s);
2061: goto save_bg;
1.1 nicm 2062: }
2063:
1.61 nicm 2064: /* Otherwise set the background colour. */
1.204 nicm 2065: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2066:
2067: save_bg:
2068: /* Save the new values in the terminal current cell. */
1.204 nicm 2069: tc->bg = gc->bg;
1.61 nicm 2070: }
2071:
1.207 nicm 2072: static int
1.204 nicm 2073: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2074: {
1.204 nicm 2075: u_char r, g, b;
1.61 nicm 2076: char s[32];
2077:
1.204 nicm 2078: if (colour & COLOUR_FLAG_256) {
2079: /*
1.300 nicm 2080: * If the user has specified -2 to the client (meaning
2081: * TERM_256COLOURS is set), setaf and setab may not work (or
2082: * they may not want to use them), so send the usual sequence.
2083: *
2084: * Also if RGB is set, setaf and setab do not support the 256
2085: * colour palette so use the sequences directly there too.
1.204 nicm 2086: */
1.300 nicm 2087: if ((tty->term_flags & TERM_256COLOURS) ||
2088: tty_term_has(tty->term, TTYC_RGB))
1.204 nicm 2089: goto fallback_256;
1.189 nicm 2090:
1.204 nicm 2091: /*
2092: * If the terminfo entry has 256 colours and setaf and setab
2093: * exist, assume that they work correctly.
2094: */
2095: if (tty->term->flags & TERM_256COLOURS) {
2096: if (*type == '3') {
2097: if (!tty_term_has(tty->term, TTYC_SETAF))
2098: goto fallback_256;
2099: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2100: } else {
2101: if (!tty_term_has(tty->term, TTYC_SETAB))
2102: goto fallback_256;
2103: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2104: }
2105: return (0);
1.188 nicm 2106: }
1.204 nicm 2107: goto fallback_256;
2108: }
2109:
2110: if (colour & COLOUR_FLAG_RGB) {
1.286 nicm 2111: if (*type == '3') {
2112: if (!tty_term_has(tty->term, TTYC_SETRGBF))
2113: return (-1);
2114: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
2115: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
2116: } else {
2117: if (!tty_term_has(tty->term, TTYC_SETRGBB))
2118: return (-1);
2119: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
2120: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
2121: }
1.165 nicm 2122: return (0);
2123: }
1.61 nicm 2124:
1.165 nicm 2125: return (-1);
1.188 nicm 2126:
1.204 nicm 2127: fallback_256:
2128: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.300 nicm 2129: log_debug("%s: 256 colour fallback: %s", tty->client->name, s);
1.188 nicm 2130: tty_puts(tty, s);
2131: return (0);
1.176 nicm 2132: }
2133:
1.207 nicm 2134: static void
1.176 nicm 2135: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
2136: {
1.203 nicm 2137: struct window *w = wp->window;
2138: struct options *oo = w->options;
2139: const struct grid_cell *agc, *pgc, *wgc;
1.223 nicm 2140: int c;
1.203 nicm 2141:
2142: if (w->flags & WINDOW_STYLECHANGED) {
2143: w->flags &= ~WINDOW_STYLECHANGED;
2144: agc = options_get_style(oo, "window-active-style");
2145: memcpy(&w->active_style, agc, sizeof w->active_style);
2146: wgc = options_get_style(oo, "window-style");
2147: memcpy(&w->style, wgc, sizeof w->style);
2148: } else {
2149: agc = &w->active_style;
2150: wgc = &w->style;
2151: }
1.176 nicm 2152: pgc = &wp->colgc;
2153:
1.204 nicm 2154: if (gc->fg == 8) {
2155: if (pgc->fg != 8)
1.176 nicm 2156: gc->fg = pgc->fg;
1.204 nicm 2157: else if (wp == w->active && agc->fg != 8)
1.176 nicm 2158: gc->fg = agc->fg;
1.204 nicm 2159: else
1.176 nicm 2160: gc->fg = wgc->fg;
1.219 nicm 2161:
1.223 nicm 2162: if (gc->fg != 8 &&
2163: (c = window_pane_get_palette(wp, gc->fg)) != -1)
2164: gc->fg = c;
1.176 nicm 2165: }
2166:
1.204 nicm 2167: if (gc->bg == 8) {
2168: if (pgc->bg != 8)
1.176 nicm 2169: gc->bg = pgc->bg;
1.204 nicm 2170: else if (wp == w->active && agc->bg != 8)
1.176 nicm 2171: gc->bg = agc->bg;
1.204 nicm 2172: else
1.176 nicm 2173: gc->bg = wgc->bg;
1.219 nicm 2174:
1.223 nicm 2175: if (gc->bg != 8 &&
2176: (c = window_pane_get_palette(wp, gc->bg)) != -1)
2177: gc->bg = c;
1.176 nicm 2178: }
1.210 nicm 2179: }
2180:
2181: static void
2182: tty_default_attributes(struct tty *tty, const struct window_pane *wp, u_int bg)
2183: {
2184: static struct grid_cell gc;
2185:
2186: memcpy(&gc, &grid_default_cell, sizeof gc);
2187: gc.bg = bg;
2188: tty_attributes(tty, &gc, wp);
1.1 nicm 2189: }