Annotation of src/usr.bin/tmux/tty.c, Revision 1.345
1.345 ! nicm 1: /* $OpenBSD: tty.c,v 1.344 2020/03/16 10:49:06 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: log_debug("%s: update mode %x to %x", c->name, tty->mode, mode);
672:
1.183 nicm 673: if (changed & MODE_BLINKING) {
674: if (tty_term_has(tty->term, TTYC_CVVIS))
675: tty_putcode(tty, TTYC_CVVIS);
676: else
677: tty_putcode(tty, TTYC_CNORM);
678: changed |= MODE_CURSOR;
679: }
680: if (changed & MODE_CURSOR) {
681: if (mode & MODE_CURSOR)
682: tty_putcode(tty, TTYC_CNORM);
683: else
1.1 nicm 684: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 685: }
1.181 nicm 686: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 687: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 688: if (s->cstyle == 0 &&
1.160 nicm 689: tty_term_has(tty->term, TTYC_SE))
690: tty_putcode(tty, TTYC_SE);
1.108 nicm 691: else
1.160 nicm 692: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 693: }
694: tty->cstyle = s->cstyle;
1.1 nicm 695: }
1.344 nicm 696: if ((changed & ALL_MOUSE_MODES) &&
697: tty_term_has(tty->term, TTYC_KMOUS)) {
698: if ((mode & ALL_MOUSE_MODES) == 0)
699: tty_puts(tty, "\033[?1006l");
700: if ((changed & MODE_MOUSE_STANDARD) &&
701: (~mode & MODE_MOUSE_STANDARD))
702: tty_puts(tty, "\033[?1000l");
703: if ((changed & MODE_MOUSE_BUTTON) &&
704: (~mode & MODE_MOUSE_BUTTON))
705: tty_puts(tty, "\033[?1002l");
706: if ((changed & MODE_MOUSE_ALL) &&
707: (~mode & MODE_MOUSE_ALL))
708: tty_puts(tty, "\033[?1003l");
709:
710: if (mode & ALL_MOUSE_MODES)
1.153 nicm 711: tty_puts(tty, "\033[?1006h");
1.344 nicm 712: if ((changed & MODE_MOUSE_STANDARD) &&
713: (mode & MODE_MOUSE_STANDARD))
714: tty_puts(tty, "\033[?1000h");
715: if ((changed & MODE_MOUSE_BUTTON) &&
716: (mode & MODE_MOUSE_BUTTON))
717: tty_puts(tty, "\033[?1002h");
718: if ((changed & MODE_MOUSE_ALL) &&
719: (mode & MODE_MOUSE_ALL))
720: tty_puts(tty, "\033[?1003h");
1.115 nicm 721: }
722: if (changed & MODE_BRACKETPASTE) {
723: if (mode & MODE_BRACKETPASTE)
724: tty_puts(tty, "\033[?2004h");
725: else
726: tty_puts(tty, "\033[?2004l");
1.1 nicm 727: }
728: tty->mode = mode;
729: }
730:
1.207 nicm 731: static void
1.168 nicm 732: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
733: enum tty_code_code code1, u_int n)
1.1 nicm 734: {
735: if (tty_term_has(tty->term, code))
736: tty_putcode1(tty, code, n);
737: else {
738: while (n-- > 0)
739: tty_putcode(tty, code1);
740: }
741: }
742:
1.207 nicm 743: static void
1.133 nicm 744: tty_repeat_space(struct tty *tty, u_int n)
745: {
1.257 nicm 746: static char s[500];
747:
748: if (*s != ' ')
749: memset(s, ' ', sizeof s);
750:
751: while (n > sizeof s) {
752: tty_putn(tty, s, sizeof s, sizeof s);
753: n -= sizeof s;
754: }
755: if (n != 0)
756: tty_putn(tty, s, n, n);
1.304 nicm 757: }
758:
1.309 nicm 759: /* Is this window bigger than the terminal? */
760: int
761: tty_window_bigger(struct tty *tty)
762: {
763: struct client *c = tty->client;
764: struct window *w = c->session->curw->window;
765:
766: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
767: }
768:
769: /* What offset should this window be drawn at? */
770: int
771: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
772: {
773: *ox = tty->oox;
774: *oy = tty->ooy;
775: *sx = tty->osx;
776: *sy = tty->osy;
777:
778: return (tty->oflag);
779: }
780:
781: /* What offset should this window be drawn at? */
782: static int
783: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
784: {
785: struct client *c = tty->client;
786: struct window *w = c->session->curw->window;
787: struct window_pane *wp = w->active;
788: u_int cx, cy, lines;
789:
790: lines = status_line_size(c);
791:
792: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
793: *ox = 0;
794: *oy = 0;
795: *sx = w->sx;
796: *sy = w->sy;
797:
798: c->pan_window = NULL;
799: return (0);
800: }
801:
802: *sx = tty->sx;
803: *sy = tty->sy - lines;
804:
805: if (c->pan_window == w) {
806: if (*sx >= w->sx)
807: c->pan_ox = 0;
808: else if (c->pan_ox + *sx > w->sx)
809: c->pan_ox = w->sx - *sx;
810: *ox = c->pan_ox;
811: if (*sy >= w->sy)
812: c->pan_oy = 0;
813: else if (c->pan_oy + *sy > w->sy)
814: c->pan_oy = w->sy - *sy;
815: *oy = c->pan_oy;
816: return (1);
817: }
818:
819: if (~wp->screen->mode & MODE_CURSOR) {
820: *ox = 0;
821: *oy = 0;
822: } else {
823: cx = wp->xoff + wp->screen->cx;
824: cy = wp->yoff + wp->screen->cy;
825:
826: if (cx < *sx)
827: *ox = 0;
828: else if (cx > w->sx - *sx)
829: *ox = w->sx - *sx;
830: else
831: *ox = cx - *sx / 2;
832:
833: if (cy < *sy)
834: *oy = 0;
835: else if (cy > w->sy - *sy)
836: *oy = w->sy - *sy;
837: else
838: *oy = cy - *sy / 2;
839: }
840:
841: c->pan_window = NULL;
842: return (1);
843: }
844:
845: /* Update stored offsets for a window and redraw if necessary. */
846: void
847: tty_update_window_offset(struct window *w)
848: {
849: struct client *c;
850:
851: TAILQ_FOREACH(c, &clients, entry) {
852: if (c->session != NULL && c->session->curw->window == w)
853: tty_update_client_offset(c);
854: }
855: }
856:
857: /* Update stored offsets for a client and redraw if necessary. */
858: void
859: tty_update_client_offset(struct client *c)
1.304 nicm 860: {
1.309 nicm 861: u_int ox, oy, sx, sy;
1.314 nicm 862:
863: if (~c->flags & CLIENT_TERMINAL)
864: return;
1.304 nicm 865:
1.309 nicm 866: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
867: if (ox == c->tty.oox &&
868: oy == c->tty.ooy &&
869: sx == c->tty.osx &&
870: sy == c->tty.osy)
871: return;
872:
873: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
874: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
875: ox, oy, sx, sy);
876:
877: c->tty.oox = ox;
878: c->tty.ooy = oy;
879: c->tty.osx = sx;
880: c->tty.osy = sy;
881:
882: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 883: }
884:
1.1 nicm 885: /*
1.119 nicm 886: * Is the region large enough to be worth redrawing once later rather than
887: * probably several times now? Currently yes if it is more than 50% of the
888: * pane.
889: */
1.207 nicm 890: static int
1.194 nicm 891: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 892: {
893: struct window_pane *wp = ctx->wp;
894:
895: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
896: }
897:
898: /*
1.176 nicm 899: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
900: * emulated.
901: */
1.207 nicm 902: static int
1.317 nicm 903: tty_fake_bce(const struct tty *tty, struct window_pane *wp, u_int bg)
1.176 nicm 904: {
905: struct grid_cell gc;
906:
1.210 nicm 907: if (tty_term_flag(tty->term, TTYC_BCE))
908: return (0);
909:
1.176 nicm 910: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 911: if (wp != NULL)
912: tty_default_colours(&gc, wp);
1.176 nicm 913:
1.310 nicm 914: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc.bg))
1.210 nicm 915: return (1);
916: return (0);
1.176 nicm 917: }
918:
919: /*
1.1 nicm 920: * Redraw scroll region using data from screen (already updated). Used when
921: * CSR not supported, or window is a pane that doesn't take up the full
922: * width of the terminal.
923: */
1.207 nicm 924: static void
1.24 nicm 925: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 926: {
1.14 nicm 927: struct window_pane *wp = ctx->wp;
928: struct screen *s = wp->screen;
1.204 nicm 929: u_int i;
1.1 nicm 930:
931: /*
1.119 nicm 932: * If region is large, schedule a window redraw. In most cases this is
933: * likely to be followed by some more scrolling.
1.1 nicm 934: */
1.119 nicm 935: if (tty_large_region(tty, ctx)) {
1.1 nicm 936: wp->flags |= PANE_REDRAW;
937: return;
938: }
939:
1.14 nicm 940: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
941: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.309 nicm 942: tty_draw_pane(tty, ctx, i);
1.1 nicm 943: } else {
1.14 nicm 944: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.309 nicm 945: tty_draw_pane(tty, ctx, i);
1.1 nicm 946: }
947: }
948:
1.309 nicm 949: /* Is this position visible in the pane? */
950: static int
951: tty_is_visible(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
952: u_int nx, u_int ny)
953: {
954: u_int xoff = ctx->xoff + px, yoff = ctx->yoff + py, lines;
955:
956: if (!ctx->bigger)
957: return (1);
958:
959: if (status_at_line(tty->client) == 0)
960: lines = status_line_size(tty->client);
961: else
962: lines = 0;
963:
964: if (xoff + nx <= ctx->ox || xoff >= ctx->ox + ctx->sx ||
1.320 nicm 965: yoff + ny <= ctx->oy || yoff >= lines + ctx->oy + ctx->sy)
1.309 nicm 966: return (0);
967: return (1);
968: }
969:
970: /* Clamp line position to visible part of pane. */
971: static int
972: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
973: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
974: {
975: struct window_pane *wp = ctx->wp;
976: u_int xoff = wp->xoff + px;
977:
978: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
979: return (0);
980: *ry = ctx->yoff + py - ctx->oy;
981:
982: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
983: /* All visible. */
984: *i = 0;
985: *x = ctx->xoff + px - ctx->ox;
986: *rx = nx;
987: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
988: /* Both left and right not visible. */
989: *i = ctx->ox;
990: *x = 0;
991: *rx = ctx->sx;
992: } else if (xoff < ctx->ox) {
993: /* Left not visible. */
994: *i = ctx->ox - (ctx->xoff + px);
995: *x = 0;
996: *rx = nx - *i;
997: } else {
998: /* Right not visible. */
999: *i = 0;
1000: *x = (ctx->xoff + px) - ctx->ox;
1001: *rx = ctx->sx - *x;
1002: }
1003: if (*rx > nx)
1004: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1005:
1006: return (1);
1007: }
1008:
1009: /* Clear a line. */
1.271 nicm 1010: static void
1.317 nicm 1011: tty_clear_line(struct tty *tty, struct window_pane *wp, u_int py, u_int px,
1012: u_int nx, u_int bg)
1.271 nicm 1013: {
1.309 nicm 1014: struct client *c = tty->client;
1015:
1016: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1017:
1018: /* Nothing to clear. */
1019: if (nx == 0)
1020: return;
1021:
1022: /* If genuine BCE is available, can try escape sequences. */
1023: if (!tty_fake_bce(tty, wp, bg)) {
1024: /* Off the end of the line, use EL if available. */
1025: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1026: tty_cursor(tty, px, py);
1027: tty_putcode(tty, TTYC_EL);
1028: return;
1029: }
1030:
1031: /* At the start of the line. Use EL1. */
1032: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1033: tty_cursor(tty, px + nx - 1, py);
1034: tty_putcode(tty, TTYC_EL1);
1035: return;
1036: }
1037:
1038: /* Section of line. Use ECH if possible. */
1039: if (tty_term_has(tty->term, TTYC_ECH)) {
1040: tty_cursor(tty, px, py);
1041: tty_putcode1(tty, TTYC_ECH, nx);
1042: return;
1043: }
1044: }
1045:
1046: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 1047: tty_cursor(tty, px, py);
1.271 nicm 1048: tty_repeat_space(tty, nx);
1049: }
1050:
1.309 nicm 1051: /* Clear a line, adjusting to visible part of pane. */
1052: static void
1053: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1054: u_int px, u_int nx, u_int bg)
1055: {
1056: struct client *c = tty->client;
1057: u_int i, x, rx, ry;
1058:
1059: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1060:
1061: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1062: tty_clear_line(tty, ctx->wp, ry, x, rx, bg);
1063: }
1064:
1065: /* Clamp area position to visible part of pane. */
1066: static int
1067: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1068: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1069: u_int *ry)
1070: {
1071: struct window_pane *wp = ctx->wp;
1072: u_int xoff = wp->xoff + px, yoff = wp->yoff + py;
1073:
1074: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1075: return (0);
1076:
1077: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
1078: /* All visible. */
1079: *i = 0;
1080: *x = ctx->xoff + px - ctx->ox;
1081: *rx = nx;
1082: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
1083: /* Both left and right not visible. */
1084: *i = ctx->ox;
1085: *x = 0;
1086: *rx = ctx->sx;
1087: } else if (xoff < ctx->ox) {
1088: /* Left not visible. */
1089: *i = ctx->ox - (ctx->xoff + px);
1090: *x = 0;
1091: *rx = nx - *i;
1092: } else {
1093: /* Right not visible. */
1094: *i = 0;
1095: *x = (ctx->xoff + px) - ctx->ox;
1096: *rx = ctx->sx - *x;
1097: }
1098: if (*rx > nx)
1099: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1100:
1101: if (yoff >= ctx->oy && yoff + ny <= ctx->oy + ctx->sy) {
1102: /* All visible. */
1103: *j = 0;
1104: *y = ctx->yoff + py - ctx->oy;
1105: *ry = ny;
1106: } else if (yoff < ctx->oy && yoff + ny > ctx->oy + ctx->sy) {
1.327 nicm 1107: /* Both top and bottom not visible. */
1.309 nicm 1108: *j = ctx->oy;
1109: *y = 0;
1110: *ry = ctx->sy;
1111: } else if (yoff < ctx->oy) {
1.327 nicm 1112: /* Top not visible. */
1.309 nicm 1113: *j = ctx->oy - (ctx->yoff + py);
1114: *y = 0;
1115: *ry = ny - *j;
1116: } else {
1.327 nicm 1117: /* Bottom not visible. */
1.309 nicm 1118: *j = 0;
1119: *y = (ctx->yoff + py) - ctx->oy;
1120: *ry = ctx->sy - *y;
1121: }
1122: if (*ry > ny)
1123: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1124:
1125: return (1);
1126: }
1127:
1128: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1129: static void
1.317 nicm 1130: tty_clear_area(struct tty *tty, struct window_pane *wp, u_int py, u_int ny,
1131: u_int px, u_int nx, u_int bg)
1.271 nicm 1132: {
1.309 nicm 1133: struct client *c = tty->client;
1134: u_int yy;
1135: char tmp[64];
1.271 nicm 1136:
1.309 nicm 1137: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1138:
1139: /* Nothing to clear. */
1140: if (nx == 0 || ny == 0)
1141: return;
1142:
1143: /* If genuine BCE is available, can try escape sequences. */
1144: if (!tty_fake_bce(tty, wp, bg)) {
1.276 nicm 1145: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1146: if (px == 0 &&
1147: px + nx >= tty->sx &&
1148: py + ny >= tty->sy &&
1149: tty_term_has(tty->term, TTYC_ED)) {
1150: tty_cursor(tty, 0, py);
1151: tty_putcode(tty, TTYC_ED);
1.274 nicm 1152: return;
1153: }
1154:
1155: /*
1.276 nicm 1156: * On VT420 compatible terminals we can use DECFRA if the
1157: * background colour isn't default (because it doesn't work
1158: * after SGR 0).
1.274 nicm 1159: */
1.337 nicm 1160: if (((tty->term->flags|tty->term_flags) & TERM_DECFRA) &&
1161: !COLOUR_DEFAULT(bg)) {
1.274 nicm 1162: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1163: py + 1, px + 1, py + ny, px + nx);
1164: tty_puts(tty, tmp);
1.276 nicm 1165: return;
1166: }
1167:
1.280 nicm 1168: /* Full lines can be scrolled away to clear them. */
1169: if (px == 0 &&
1.281 nicm 1170: px + nx >= tty->sx &&
1.280 nicm 1171: ny > 2 &&
1172: tty_term_has(tty->term, TTYC_CSR) &&
1173: tty_term_has(tty->term, TTYC_INDN)) {
1174: tty_region(tty, py, py + ny - 1);
1175: tty_margin_off(tty);
1.284 nicm 1176: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1177: return;
1178: }
1179:
1.276 nicm 1180: /*
1181: * If margins are supported, can just scroll the area off to
1182: * clear it.
1183: */
1.277 nicm 1184: if (nx > 2 &&
1185: ny > 2 &&
1.280 nicm 1186: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1187: tty_use_margin(tty) &&
1188: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1189: tty_region(tty, py, py + ny - 1);
1190: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1191: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1192: return;
1193: }
1194: }
1195:
1196: /* Couldn't use an escape sequence, loop over the lines. */
1197: for (yy = py; yy < py + ny; yy++)
1198: tty_clear_line(tty, wp, yy, px, nx, bg);
1199: }
1200:
1.309 nicm 1201: /* Clear an area in a pane. */
1202: static void
1203: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1204: u_int ny, u_int px, u_int nx, u_int bg)
1205: {
1206: u_int i, j, x, y, rx, ry;
1207:
1208: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1209: tty_clear_area(tty, ctx->wp, y, ry, x, rx, bg);
1210: }
1211:
1212: static void
1213: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1214: {
1.309 nicm 1215: struct window_pane *wp = ctx->wp;
1216: struct screen *s = wp->screen;
1217: u_int nx = screen_size_x(s), i, x, rx, ry;
1218:
1219: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1220:
1221: if (!ctx->bigger) {
1222: tty_draw_line(tty, wp, s, 0, py, nx, ctx->xoff, ctx->yoff + py);
1223: return;
1224: }
1225: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry))
1226: tty_draw_line(tty, wp, s, i, py, rx, x, ry);
1.176 nicm 1227: }
1228:
1.298 nicm 1229: static const struct grid_cell *
1230: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1231: {
1232: static struct grid_cell new;
1233: u_int n;
1234:
1235: /* Characters less than 0x7f are always fine, no matter what. */
1236: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1237: return (gc);
1238:
1239: /* UTF-8 terminal and a UTF-8 character - fine. */
1240: if (tty->flags & TTY_UTF8)
1241: return (gc);
1242:
1243: /* Replace by the right number of underscores. */
1244: n = gc->data.width;
1245: if (n > UTF8_SIZE)
1246: n = UTF8_SIZE;
1247: memcpy(&new, gc, sizeof new);
1248: new.data.size = n;
1249: memset(new.data.data, '_', n);
1250: return (&new);
1251: }
1252:
1.176 nicm 1253: void
1.317 nicm 1254: tty_draw_line(struct tty *tty, struct window_pane *wp, struct screen *s,
1255: u_int px, u_int py, u_int nx, u_int atx, u_int aty)
1.1 nicm 1256: {
1.297 nicm 1257: struct grid *gd = s->grid;
1.250 nicm 1258: struct grid_cell gc, last;
1.298 nicm 1259: const struct grid_cell *gcp;
1.309 nicm 1260: struct grid_line *gl;
1261: u_int i, j, ux, sx, width;
1.329 nicm 1262: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1263: char buf[512];
1.315 nicm 1264: size_t len;
1.303 nicm 1265: u_int cellsize;
1.1 nicm 1266:
1.309 nicm 1267: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1268: px, py, nx, atx, aty);
1269:
1270: /*
1271: * py is the line in the screen to draw.
1272: * px is the start x and nx is the width to draw.
1273: * atx,aty is the line on the terminal to draw it.
1274: */
1275:
1.259 nicm 1276: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1277: tty->flags |= TTY_NOCURSOR;
1278: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1279:
1.214 nicm 1280: tty_region_off(tty);
1281: tty_margin_off(tty);
1282:
1.273 nicm 1283: /*
1284: * Clamp the width to cellsize - note this is not cellused, because
1285: * there may be empty background cells after it (from BCE).
1286: */
1.1 nicm 1287: sx = screen_size_x(s);
1.309 nicm 1288: if (nx > sx)
1289: nx = sx;
1.303 nicm 1290: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1291: if (sx > cellsize)
1292: sx = cellsize;
1.1 nicm 1293: if (sx > tty->sx)
1294: sx = tty->sx;
1.309 nicm 1295: if (sx > nx)
1296: sx = nx;
1.292 nicm 1297: ux = 0;
1.1 nicm 1298:
1.309 nicm 1299: if (py == 0)
1300: gl = NULL;
1301: else
1302: gl = grid_get_line(gd, gd->hsize + py - 1);
1.268 nicm 1303: if (wp == NULL ||
1.309 nicm 1304: gl == NULL ||
1305: (~gl->flags & GRID_LINE_WRAPPED) ||
1306: atx != 0 ||
1.268 nicm 1307: tty->cx < tty->sx ||
1.309 nicm 1308: nx < tty->sx) {
1309: if (nx < tty->sx &&
1310: atx == 0 &&
1311: px + sx != nx &&
1.268 nicm 1312: tty_term_has(tty->term, TTYC_EL1) &&
1313: !tty_fake_bce(tty, wp, 8)) {
1314: tty_default_attributes(tty, wp, 8);
1.309 nicm 1315: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1316: tty_putcode(tty, TTYC_EL1);
1317: cleared = 1;
1318: }
1.329 nicm 1319: } else {
1.309 nicm 1320: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1321: wrapped = 1;
1322: }
1.250 nicm 1323:
1324: memcpy(&last, &grid_default_cell, sizeof last);
1325: len = 0;
1326: width = 0;
1.46 nicm 1327:
1.1 nicm 1328: for (i = 0; i < sx; i++) {
1.309 nicm 1329: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1330: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1331: if (len != 0 &&
1.298 nicm 1332: ((gcp->attr & GRID_ATTR_CHARSET) ||
1333: gcp->flags != last.flags ||
1334: gcp->attr != last.attr ||
1335: gcp->fg != last.fg ||
1336: gcp->bg != last.bg ||
1.328 nicm 1337: gcp->us != last.us ||
1.315 nicm 1338: ux + width + gcp->data.width > nx ||
1.298 nicm 1339: (sizeof buf) - len < gcp->data.size)) {
1.316 nicm 1340: tty_attributes(tty, &last, wp);
1.315 nicm 1341: if (last.flags & GRID_FLAG_CLEARED) {
1342: log_debug("%s: %zu cleared", __func__, len);
1343: tty_clear_line(tty, wp, aty, atx + ux, width,
1344: last.bg);
1345: } else {
1.329 nicm 1346: if (!wrapped || atx != 0 || ux != 0)
1347: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1348: tty_putn(tty, buf, len, width);
1349: }
1.292 nicm 1350: ux += width;
1.250 nicm 1351:
1352: len = 0;
1353: width = 0;
1.329 nicm 1354: wrapped = 0;
1.250 nicm 1355: }
1356:
1.298 nicm 1357: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1358: screen_select_cell(s, &last, gcp);
1.250 nicm 1359: else
1.299 nicm 1360: memcpy(&last, gcp, sizeof last);
1.309 nicm 1361: if (ux + gcp->data.width > nx) {
1.299 nicm 1362: tty_attributes(tty, &last, wp);
1.315 nicm 1363: tty_cursor(tty, atx + ux, aty);
1.298 nicm 1364: for (j = 0; j < gcp->data.width; j++) {
1.309 nicm 1365: if (ux + j > nx)
1.297 nicm 1366: break;
1367: tty_putc(tty, ' ');
1368: ux++;
1369: }
1.299 nicm 1370: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1371: tty_attributes(tty, &last, wp);
1.315 nicm 1372: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1373: for (j = 0; j < gcp->data.size; j++)
1374: tty_putc(tty, gcp->data.data[j]);
1375: ux += gc.data.width;
1376: } else {
1.298 nicm 1377: memcpy(buf + len, gcp->data.data, gcp->data.size);
1378: len += gcp->data.size;
1379: width += gcp->data.width;
1.250 nicm 1380: }
1381: }
1.315 nicm 1382: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.316 nicm 1383: tty_attributes(tty, &last, wp);
1.315 nicm 1384: if (last.flags & GRID_FLAG_CLEARED) {
1385: log_debug("%s: %zu cleared (end)", __func__, len);
1386: tty_clear_line(tty, wp, aty, atx + ux, width, last.bg);
1387: } else {
1.329 nicm 1388: if (!wrapped || atx != 0 || ux != 0)
1389: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1390: tty_putn(tty, buf, len, width);
1391: }
1.315 nicm 1392: ux += width;
1.1 nicm 1393: }
1394:
1.309 nicm 1395: if (!cleared && ux < nx) {
1.315 nicm 1396: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1397: nx - ux, len);
1.210 nicm 1398: tty_default_attributes(tty, wp, 8);
1.309 nicm 1399: tty_clear_line(tty, wp, aty, atx + ux, nx - ux, 8);
1.35 nicm 1400: }
1.1 nicm 1401:
1.181 nicm 1402: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1403: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1404: }
1405:
1.201 nicm 1406: static int
1.182 nicm 1407: tty_client_ready(struct client *c, struct window_pane *wp)
1408: {
1409: if (c->session == NULL || c->tty.term == NULL)
1410: return (0);
1.305 nicm 1411: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1412: return (0);
1413: if (c->tty.flags & TTY_FREEZE)
1414: return (0);
1415: if (c->session->curw->window != wp->window)
1416: return (0);
1.309 nicm 1417: if (wp->layout_cell == NULL)
1418: return (0);
1.182 nicm 1419: return (1);
1420: }
1421:
1.15 nicm 1422: void
1.182 nicm 1423: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1424: struct tty_ctx *ctx)
1.15 nicm 1425: {
1426: struct window_pane *wp = ctx->wp;
1427: struct client *c;
1428:
1429: if (wp == NULL)
1430: return;
1.309 nicm 1431: if (wp->flags & (PANE_REDRAW|PANE_DROP))
1.15 nicm 1432: return;
1433:
1.178 nicm 1434: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 1435: if (!tty_client_ready(c, wp))
1.15 nicm 1436: continue;
1437:
1.309 nicm 1438: ctx->bigger = tty_window_offset(&c->tty, &ctx->ox, &ctx->oy,
1439: &ctx->sx, &ctx->sy);
1440:
1.139 nicm 1441: ctx->xoff = wp->xoff;
1442: ctx->yoff = wp->yoff;
1.309 nicm 1443:
1.139 nicm 1444: if (status_at_line(c) == 0)
1.309 nicm 1445: ctx->yoff += status_line_size(c);
1.113 nicm 1446:
1.139 nicm 1447: cmdfn(&c->tty, ctx);
1.1 nicm 1448: }
1449: }
1450:
1451: void
1.24 nicm 1452: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1453: {
1.77 nicm 1454: struct window_pane *wp = ctx->wp;
1.1 nicm 1455:
1.309 nicm 1456: if (ctx->bigger ||
1457: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1458: tty_fake_bce(tty, wp, ctx->bg) ||
1459: (!tty_term_has(tty->term, TTYC_ICH) &&
1460: !tty_term_has(tty->term, TTYC_ICH1))) {
1.309 nicm 1461: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1462: return;
1463: }
1464:
1.210 nicm 1465: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1466:
1.77 nicm 1467: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1468:
1.206 nicm 1469: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1470: }
1471:
1472: void
1.24 nicm 1473: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1474: {
1.77 nicm 1475: struct window_pane *wp = ctx->wp;
1.1 nicm 1476:
1.309 nicm 1477: if (ctx->bigger ||
1478: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1479: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 1480: (!tty_term_has(tty->term, TTYC_DCH) &&
1481: !tty_term_has(tty->term, TTYC_DCH1))) {
1.309 nicm 1482: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1483: return;
1484: }
1485:
1.210 nicm 1486: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1487:
1.77 nicm 1488: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1489:
1.206 nicm 1490: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1491: }
1492:
1493: void
1494: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1495: {
1.309 nicm 1496: if (ctx->bigger) {
1497: tty_draw_pane(tty, ctx, ctx->ocy);
1498: return;
1499: }
1500:
1.275 nicm 1501: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.146 nicm 1502:
1503: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1504:
1.210 nicm 1505: if (tty_term_has(tty->term, TTYC_ECH) &&
1.262 nicm 1506: !tty_fake_bce(tty, ctx->wp, 8))
1.146 nicm 1507: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1508: else
1509: tty_repeat_space(tty, ctx->num);
1.1 nicm 1510: }
1511:
1512: void
1.24 nicm 1513: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1514: {
1.309 nicm 1515: if (ctx->bigger ||
1516: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1517: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 1518: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1519: !tty_term_has(tty->term, TTYC_IL1) ||
1520: ctx->wp->sx == 1 ||
1521: ctx->wp->sy == 1) {
1.14 nicm 1522: tty_redraw_region(tty, ctx);
1.1 nicm 1523: return;
1524: }
1525:
1.210 nicm 1526: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1527:
1.77 nicm 1528: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1529: tty_margin_off(tty);
1.77 nicm 1530: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1531:
1.12 nicm 1532: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1533: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1534: }
1535:
1536: void
1.24 nicm 1537: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1538: {
1.309 nicm 1539: if (ctx->bigger ||
1540: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1541: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 1542: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1543: !tty_term_has(tty->term, TTYC_DL1) ||
1544: ctx->wp->sx == 1 ||
1545: ctx->wp->sy == 1) {
1.14 nicm 1546: tty_redraw_region(tty, ctx);
1.1 nicm 1547: return;
1548: }
1549:
1.210 nicm 1550: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1551:
1.77 nicm 1552: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1553: tty_margin_off(tty);
1.77 nicm 1554: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1555:
1.12 nicm 1556: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1557: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1558: }
1559:
1560: void
1.24 nicm 1561: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1562: {
1.77 nicm 1563: struct window_pane *wp = ctx->wp;
1.309 nicm 1564: u_int nx;
1.1 nicm 1565:
1.210 nicm 1566: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1567:
1.271 nicm 1568: nx = screen_size_x(wp->screen);
1.309 nicm 1569: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, nx, ctx->bg);
1.1 nicm 1570: }
1571:
1572: void
1.24 nicm 1573: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1574: {
1.77 nicm 1575: struct window_pane *wp = ctx->wp;
1.309 nicm 1576: u_int nx;
1.1 nicm 1577:
1.210 nicm 1578: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1579:
1.271 nicm 1580: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1581: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1582: }
1583:
1584: void
1.24 nicm 1585: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1586: {
1.210 nicm 1587: struct window_pane *wp = ctx->wp;
1588:
1589: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1590:
1.309 nicm 1591: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1592: }
1593:
1594: void
1.24 nicm 1595: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1596: {
1.278 nicm 1597: struct window_pane *wp = ctx->wp;
1598:
1.56 nicm 1599: if (ctx->ocy != ctx->orupper)
1600: return;
1601:
1.309 nicm 1602: if (ctx->bigger ||
1.331 nicm 1603: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.278 nicm 1604: tty_fake_bce(tty, wp, 8) ||
1.70 nicm 1605: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1606: (!tty_term_has(tty->term, TTYC_RI) &&
1607: !tty_term_has(tty->term, TTYC_RIN)) ||
1.307 nicm 1608: ctx->wp->sx == 1 ||
1609: ctx->wp->sy == 1) {
1.14 nicm 1610: tty_redraw_region(tty, ctx);
1.1 nicm 1611: return;
1612: }
1613:
1.278 nicm 1614: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1615:
1.56 nicm 1616: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1617: tty_margin_pane(tty, ctx);
1.56 nicm 1618: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1619:
1.331 nicm 1620: if (tty_term_has(tty->term, TTYC_RI))
1621: tty_putcode(tty, TTYC_RI);
1622: else
1623: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1624: }
1625:
1626: void
1.24 nicm 1627: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1628: {
1.77 nicm 1629: struct window_pane *wp = ctx->wp;
1.1 nicm 1630:
1.56 nicm 1631: if (ctx->ocy != ctx->orlower)
1632: return;
1633:
1.309 nicm 1634: if (ctx->bigger ||
1635: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1636: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1637: !tty_term_has(tty->term, TTYC_CSR) ||
1638: wp->sx == 1 ||
1639: wp->sy == 1) {
1.236 nicm 1640: tty_redraw_region(tty, ctx);
1.1 nicm 1641: return;
1642: }
1.52 nicm 1643:
1.278 nicm 1644: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1645:
1.56 nicm 1646: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1647: tty_margin_pane(tty, ctx);
1648:
1649: /*
1.301 nicm 1650: * If we want to wrap a pane while using margins, the cursor needs to
1651: * be exactly on the right of the region. If the cursor is entirely off
1652: * the edge - move it back to the right. Some terminals are funny about
1653: * this and insert extra spaces, so only use the right if margins are
1654: * enabled.
1.212 nicm 1655: */
1.301 nicm 1656: if (ctx->xoff + ctx->ocx > tty->rright) {
1657: if (!tty_use_margin(tty))
1658: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1659: else
1660: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1661: } else
1.212 nicm 1662: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1663:
1.56 nicm 1664: tty_putc(tty, '\n');
1.240 nicm 1665: }
1666:
1667: void
1668: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1669: {
1670: struct window_pane *wp = ctx->wp;
1.284 nicm 1671: u_int i;
1.240 nicm 1672:
1.309 nicm 1673: if (ctx->bigger ||
1674: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1675: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1676: !tty_term_has(tty->term, TTYC_CSR) ||
1677: wp->sx == 1 ||
1678: wp->sy == 1) {
1.240 nicm 1679: tty_redraw_region(tty, ctx);
1680: return;
1681: }
1682:
1.278 nicm 1683: tty_default_attributes(tty, wp, ctx->bg);
1.240 nicm 1684:
1685: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1686: tty_margin_pane(tty, ctx);
1687:
1.284 nicm 1688: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1689: if (!tty_use_margin(tty))
1690: tty_cursor(tty, 0, tty->rlower);
1691: else
1692: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1693: for (i = 0; i < ctx->num; i++)
1.240 nicm 1694: tty_putc(tty, '\n');
1.301 nicm 1695: } else {
1696: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1697: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1698: }
1699: }
1700:
1701: void
1702: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1703: {
1704: struct window_pane *wp = ctx->wp;
1705: u_int i;
1706:
1707: if (ctx->bigger ||
1708: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1709: tty_fake_bce(tty, wp, 8) ||
1710: !tty_term_has(tty->term, TTYC_CSR) ||
1711: (!tty_term_has(tty->term, TTYC_RI) &&
1712: !tty_term_has(tty->term, TTYC_RIN)) ||
1713: wp->sx == 1 ||
1714: wp->sy == 1) {
1715: tty_redraw_region(tty, ctx);
1716: return;
1717: }
1718:
1719: tty_default_attributes(tty, wp, ctx->bg);
1720:
1721: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1722: tty_margin_pane(tty, ctx);
1723: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1724:
1725: if (tty_term_has(tty->term, TTYC_RIN))
1726: tty_putcode1(tty, TTYC_RIN, ctx->num);
1727: else {
1728: for (i = 0; i < ctx->num; i++)
1729: tty_putcode(tty, TTYC_RI);
1.301 nicm 1730: }
1.1 nicm 1731: }
1732:
1733: void
1.24 nicm 1734: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1735: {
1.77 nicm 1736: struct window_pane *wp = ctx->wp;
1.271 nicm 1737: u_int px, py, nx, ny;
1.1 nicm 1738:
1.210 nicm 1739: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1740:
1.271 nicm 1741: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1742: tty_margin_off(tty);
1.39 nicm 1743:
1.309 nicm 1744: px = 0;
1.271 nicm 1745: nx = screen_size_x(wp->screen);
1.309 nicm 1746: py = ctx->ocy + 1;
1.271 nicm 1747: ny = screen_size_y(wp->screen) - ctx->ocy - 1;
1748:
1.309 nicm 1749: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1750:
1.309 nicm 1751: px = ctx->ocx;
1.271 nicm 1752: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1753: py = ctx->ocy;
1.271 nicm 1754:
1.309 nicm 1755: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1756: }
1757:
1758: void
1.24 nicm 1759: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1760: {
1.77 nicm 1761: struct window_pane *wp = ctx->wp;
1.271 nicm 1762: u_int px, py, nx, ny;
1.1 nicm 1763:
1.227 nicm 1764: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1765:
1.271 nicm 1766: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1767: tty_margin_off(tty);
1.39 nicm 1768:
1.309 nicm 1769: px = 0;
1.271 nicm 1770: nx = screen_size_x(wp->screen);
1.309 nicm 1771: py = 0;
1.319 nicm 1772: ny = ctx->ocy;
1.271 nicm 1773:
1.309 nicm 1774: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1775:
1.309 nicm 1776: px = 0;
1.271 nicm 1777: nx = ctx->ocx + 1;
1.309 nicm 1778: py = ctx->ocy;
1.271 nicm 1779:
1.309 nicm 1780: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1781: }
1782:
1783: void
1.24 nicm 1784: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1785: {
1.77 nicm 1786: struct window_pane *wp = ctx->wp;
1.271 nicm 1787: u_int px, py, nx, ny;
1.1 nicm 1788:
1.210 nicm 1789: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1790:
1.271 nicm 1791: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1792: tty_margin_off(tty);
1.39 nicm 1793:
1.309 nicm 1794: px = 0;
1.271 nicm 1795: nx = screen_size_x(wp->screen);
1.309 nicm 1796: py = 0;
1.271 nicm 1797: ny = screen_size_y(wp->screen);
1798:
1.309 nicm 1799: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1800: }
1801:
1802: void
1.24 nicm 1803: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1804: {
1.12 nicm 1805: struct window_pane *wp = ctx->wp;
1806: struct screen *s = wp->screen;
1807: u_int i, j;
1.4 nicm 1808:
1.309 nicm 1809: if (ctx->bigger) {
1810: wp->flags |= PANE_REDRAW;
1811: return;
1812: }
1813:
1.176 nicm 1814: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1815:
1.39 nicm 1816: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1817: tty_margin_off(tty);
1.4 nicm 1818:
1819: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1820: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1821: for (i = 0; i < screen_size_x(s); i++)
1822: tty_putc(tty, 'E');
1.1 nicm 1823: }
1824: }
1825:
1826: void
1.24 nicm 1827: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1828: {
1.309 nicm 1829: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1))
1830: return;
1831:
1832: if (ctx->xoff + ctx->ocx - ctx->ox > tty->sx - 1 &&
1.306 nicm 1833: ctx->ocy == ctx->orlower &&
1834: tty_pane_full_width(tty, ctx))
1835: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1836:
1.306 nicm 1837: tty_margin_off(tty);
1.253 nicm 1838: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1839:
1.237 nicm 1840: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1841: }
1842:
1843: void
1844: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1845: {
1.309 nicm 1846: struct window_pane *wp = ctx->wp;
1847:
1848: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1849: return;
1850:
1851: if (ctx->bigger &&
1852: (ctx->xoff + ctx->ocx < ctx->ox ||
1853: ctx->xoff + ctx->ocx + ctx->num > ctx->ox + ctx->sx)) {
1854: if (!ctx->wrapped ||
1855: !tty_pane_full_width(tty, ctx) ||
1.337 nicm 1856: (tty->term->flags & TERM_NOXENL) ||
1.309 nicm 1857: ctx->xoff + ctx->ocx != 0 ||
1858: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1859: tty->cx < tty->sx ||
1860: tty->cy == tty->rlower)
1861: tty_draw_pane(tty, ctx, ctx->ocy);
1862: else
1863: wp->flags |= PANE_REDRAW;
1864: return;
1865: }
1866:
1.306 nicm 1867: tty_margin_off(tty);
1.253 nicm 1868: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1869:
1870: tty_attributes(tty, ctx->cell, ctx->wp);
1871: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1872: }
1873:
1874: void
1875: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1876: {
1877: char *buf;
1878: size_t off;
1879:
1880: if (!tty_term_has(tty->term, TTYC_MS))
1881: return;
1882:
1883: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1884: buf = xmalloc(off);
1885:
1886: b64_ntop(ctx->ptr, ctx->num, buf, off);
1887: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1888:
1.138 nicm 1889: free(buf);
1.100 nicm 1890: }
1891:
1892: void
1893: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1894: {
1.256 nicm 1895: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1896: tty_invalidate(tty);
1.1 nicm 1897: }
1898:
1.207 nicm 1899: static void
1.317 nicm 1900: tty_cell(struct tty *tty, const struct grid_cell *gc, struct window_pane *wp)
1.1 nicm 1901: {
1.298 nicm 1902: const struct grid_cell *gcp;
1.1 nicm 1903:
1904: /* Skip last character if terminal is stupid. */
1.337 nicm 1905: if ((tty->term->flags & TERM_NOXENL) &&
1.211 nicm 1906: tty->cy == tty->sy - 1 &&
1907: tty->cx == tty->sx - 1)
1.1 nicm 1908: return;
1909:
1910: /* If this is a padding character, do nothing. */
1911: if (gc->flags & GRID_FLAG_PADDING)
1912: return;
1913:
1914: /* Set the attributes. */
1.176 nicm 1915: tty_attributes(tty, gc, wp);
1.1 nicm 1916:
1.147 nicm 1917: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.298 nicm 1918: gcp = tty_check_codeset(tty, gc);
1919: if (gcp->data.size == 1) {
1920: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 1921: return;
1.298 nicm 1922: tty_putc(tty, *gcp->data.data);
1.1 nicm 1923: return;
1924: }
1925:
1.147 nicm 1926: /* Write the data. */
1.298 nicm 1927: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 1928: }
1929:
1930: void
1931: tty_reset(struct tty *tty)
1932: {
1933: struct grid_cell *gc = &tty->cell;
1934:
1.228 nicm 1935: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 1936: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 1937: tty_putcode(tty, TTYC_RMACS);
1938: tty_putcode(tty, TTYC_SGR0);
1939: memcpy(gc, &grid_default_cell, sizeof *gc);
1940: }
1.1 nicm 1941:
1.228 nicm 1942: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1943: tty->last_wp = -1;
1.242 nicm 1944: }
1945:
1946: static void
1947: tty_invalidate(struct tty *tty)
1948: {
1949: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1950:
1951: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1952: tty->last_wp = -1;
1953:
1954: tty->cx = tty->cy = UINT_MAX;
1955:
1956: tty->rupper = tty->rleft = UINT_MAX;
1957: tty->rlower = tty->rright = UINT_MAX;
1958:
1959: if (tty->flags & TTY_STARTED) {
1.330 nicm 1960: if (tty_use_margin(tty))
1961: tty_puts(tty, "\033[?69h"); /* DECLRMM */
1.242 nicm 1962: tty_putcode(tty, TTYC_SGR0);
1963:
1964: tty->mode = ALL_MODES;
1965: tty_update_mode(tty, MODE_CURSOR, NULL);
1966:
1967: tty_cursor(tty, 0, 0);
1968: tty_region_off(tty);
1969: tty_margin_off(tty);
1970: } else
1971: tty->mode = MODE_CURSOR;
1.1 nicm 1972: }
1973:
1.214 nicm 1974: /* Turn off margin. */
1975: void
1976: tty_region_off(struct tty *tty)
1977: {
1978: tty_region(tty, 0, tty->sy - 1);
1979: }
1980:
1.40 nicm 1981: /* Set region inside pane. */
1.208 nicm 1982: static void
1.196 nicm 1983: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1984: u_int rlower)
1.1 nicm 1985: {
1.309 nicm 1986: tty_region(tty, ctx->yoff + rupper - ctx->oy,
1987: ctx->yoff + rlower - ctx->oy);
1.39 nicm 1988: }
1989:
1.40 nicm 1990: /* Set region at absolute position. */
1.214 nicm 1991: static void
1.40 nicm 1992: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1993: {
1994: if (tty->rlower == rlower && tty->rupper == rupper)
1995: return;
1.1 nicm 1996: if (!tty_term_has(tty->term, TTYC_CSR))
1997: return;
1.39 nicm 1998:
1999: tty->rupper = rupper;
2000: tty->rlower = rlower;
1.55 nicm 2001:
2002: /*
2003: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2004: * 0,0 if it is beyond the last column (they do not reset their wrap
2005: * flag so further output causes a line feed). As a workaround, do an
2006: * explicit move to 0 first.
2007: */
2008: if (tty->cx >= tty->sx)
2009: tty_cursor(tty, 0, tty->cy);
1.42 nicm 2010:
1.39 nicm 2011: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2012: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2013: }
2014:
1.214 nicm 2015: /* Turn off margin. */
2016: void
2017: tty_margin_off(struct tty *tty)
2018: {
2019: tty_margin(tty, 0, tty->sx - 1);
2020: }
2021:
1.212 nicm 2022: /* Set margin inside pane. */
2023: static void
2024: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2025: {
1.309 nicm 2026: tty_margin(tty, ctx->xoff - ctx->ox,
2027: ctx->xoff + ctx->wp->sx - 1 - ctx->ox);
1.212 nicm 2028: }
2029:
2030: /* Set margin at absolute position. */
1.214 nicm 2031: static void
1.212 nicm 2032: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2033: {
2034: char s[64];
2035:
2036: if (!tty_use_margin(tty))
2037: return;
2038: if (tty->rleft == rleft && tty->rright == rright)
2039: return;
2040:
1.232 nicm 2041: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2042:
1.212 nicm 2043: tty->rleft = rleft;
2044: tty->rright = rright;
2045:
1.232 nicm 2046: if (rleft == 0 && rright == tty->sx - 1)
2047: snprintf(s, sizeof s, "\033[s");
2048: else
2049: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 2050: tty_puts(tty, s);
1.249 nicm 2051: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2052: }
2053:
2054: /*
2055: * Move the cursor, unless it would wrap itself when the next character is
2056: * printed.
2057: */
2058: static void
2059: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2060: u_int cx, u_int cy)
2061: {
1.268 nicm 2062: if (!ctx->wrapped ||
2063: !tty_pane_full_width(tty, ctx) ||
1.337 nicm 2064: (tty->term->flags & TERM_NOXENL) ||
1.253 nicm 2065: ctx->xoff + cx != 0 ||
2066: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2067: tty->cx < tty->sx ||
2068: tty->cy == tty->rlower)
1.253 nicm 2069: tty_cursor_pane(tty, ctx, cx, cy);
2070: else
2071: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2072: }
2073:
1.42 nicm 2074: /* Move cursor inside pane. */
1.208 nicm 2075: static void
1.41 nicm 2076: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2077: {
1.309 nicm 2078: tty_cursor(tty, ctx->xoff + cx - ctx->ox, ctx->yoff + cy - ctx->oy);
1.41 nicm 2079: }
2080:
1.42 nicm 2081: /* Move cursor to absolute position. */
1.41 nicm 2082: void
2083: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2084: {
1.42 nicm 2085: struct tty_term *term = tty->term;
2086: u_int thisx, thisy;
2087: int change;
1.77 nicm 2088:
1.42 nicm 2089: if (cx > tty->sx - 1)
2090: cx = tty->sx - 1;
2091:
2092: thisx = tty->cx;
2093: thisy = tty->cy;
2094:
2095: /* No change. */
2096: if (cx == thisx && cy == thisy)
2097: return;
2098:
1.43 nicm 2099: /* Very end of the line, just use absolute movement. */
2100: if (thisx > tty->sx - 1)
2101: goto absolute;
2102:
1.42 nicm 2103: /* Move to home position (0, 0). */
2104: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2105: tty_putcode(tty, TTYC_HOME);
2106: goto out;
2107: }
2108:
2109: /* Zero on the next line. */
1.293 nicm 2110: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2111: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2112: tty_putc(tty, '\r');
1.42 nicm 2113: tty_putc(tty, '\n');
2114: goto out;
2115: }
2116:
1.45 nicm 2117: /* Moving column or row. */
1.42 nicm 2118: if (cy == thisy) {
1.45 nicm 2119: /*
2120: * Moving column only, row staying the same.
2121: */
2122:
1.42 nicm 2123: /* To left edge. */
1.294 nicm 2124: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2125: tty_putc(tty, '\r');
2126: goto out;
2127: }
2128:
2129: /* One to the left. */
2130: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2131: tty_putcode(tty, TTYC_CUB1);
2132: goto out;
2133: }
2134:
2135: /* One to the right. */
2136: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2137: tty_putcode(tty, TTYC_CUF1);
2138: goto out;
2139: }
2140:
2141: /* Calculate difference. */
2142: change = thisx - cx; /* +ve left, -ve right */
2143:
2144: /*
2145: * Use HPA if change is larger than absolute, otherwise move
2146: * the cursor with CUB/CUF.
2147: */
1.87 nicm 2148: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2149: tty_putcode1(tty, TTYC_HPA, cx);
2150: goto out;
1.333 nicm 2151: } else if (change > 0 &&
2152: tty_term_has(term, TTYC_CUB) &&
2153: !tty_use_margin(tty)) {
1.202 nicm 2154: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2155: tty_putcode(tty, TTYC_CUB1);
2156: tty_putcode(tty, TTYC_CUB1);
2157: goto out;
2158: }
1.42 nicm 2159: tty_putcode1(tty, TTYC_CUB, change);
2160: goto out;
1.333 nicm 2161: } else if (change < 0 &&
2162: tty_term_has(term, TTYC_CUF) &&
2163: !tty_use_margin(tty)) {
1.42 nicm 2164: tty_putcode1(tty, TTYC_CUF, -change);
2165: goto out;
2166: }
1.45 nicm 2167: } else if (cx == thisx) {
2168: /*
2169: * Moving row only, column staying the same.
2170: */
1.42 nicm 2171:
2172: /* One above. */
1.77 nicm 2173: if (thisy != tty->rupper &&
1.42 nicm 2174: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2175: tty_putcode(tty, TTYC_CUU1);
2176: goto out;
2177: }
2178:
2179: /* One below. */
1.49 nicm 2180: if (thisy != tty->rlower &&
1.42 nicm 2181: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2182: tty_putcode(tty, TTYC_CUD1);
2183: goto out;
2184: }
2185:
2186: /* Calculate difference. */
2187: change = thisy - cy; /* +ve up, -ve down */
2188:
2189: /*
1.77 nicm 2190: * Try to use VPA if change is larger than absolute or if this
2191: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2192: */
1.87 nicm 2193: if ((u_int) abs(change) > cy ||
1.42 nicm 2194: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2195: (change > 0 && cy - change < tty->rupper)) {
2196: if (tty_term_has(term, TTYC_VPA)) {
2197: tty_putcode1(tty, TTYC_VPA, cy);
2198: goto out;
2199: }
1.42 nicm 2200: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2201: tty_putcode1(tty, TTYC_CUU, change);
2202: goto out;
2203: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2204: tty_putcode1(tty, TTYC_CUD, -change);
2205: goto out;
2206: }
2207: }
2208:
1.43 nicm 2209: absolute:
1.42 nicm 2210: /* Absolute movement. */
2211: tty_putcode2(tty, TTYC_CUP, cy, cx);
2212:
2213: out:
2214: tty->cx = cx;
2215: tty->cy = cy;
1.1 nicm 2216: }
2217:
2218: void
1.176 nicm 2219: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.317 nicm 2220: struct window_pane *wp)
1.1 nicm 2221: {
1.63 nicm 2222: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2223: int changed;
1.61 nicm 2224:
1.228 nicm 2225: /* Ignore cell if it is the same as the last one. */
2226: if (wp != NULL &&
2227: (int)wp->id == tty->last_wp &&
1.326 nicm 2228: ~(wp->flags & PANE_STYLECHANGED) &&
1.228 nicm 2229: gc->attr == tty->last_cell.attr &&
2230: gc->fg == tty->last_cell.fg &&
1.328 nicm 2231: gc->bg == tty->last_cell.bg &&
2232: gc->us == tty->last_cell.us)
1.228 nicm 2233: return;
2234: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
2235: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
2236:
2237: /* Copy cell and update default colours. */
1.85 nicm 2238: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 2239: if (wp != NULL)
2240: tty_default_colours(&gc2, wp);
1.63 nicm 2241:
1.18 nicm 2242: /*
2243: * If no setab, try to use the reverse attribute as a best-effort for a
2244: * non-default background. This is a bit of a hack but it doesn't do
2245: * any serious harm and makes a couple of applications happier.
2246: */
2247: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2248: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2249: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2250: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2251: } else {
1.310 nicm 2252: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2253: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2254: }
2255: }
1.1 nicm 2256:
1.85 nicm 2257: /* Fix up the colours if necessary. */
1.219 nicm 2258: tty_check_fg(tty, wp, &gc2);
2259: tty_check_bg(tty, wp, &gc2);
1.328 nicm 2260: tty_check_us(tty, wp, &gc2);
1.85 nicm 2261:
1.328 nicm 2262: /*
2263: * If any bits are being cleared or the underline colour is now default,
2264: * reset everything.
2265: */
2266: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2267: tty_reset(tty);
2268:
2269: /*
2270: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2271: * may add to (NOT remove) the desired attributes.
1.64 nicm 2272: */
1.85 nicm 2273: tty_colours(tty, &gc2);
1.64 nicm 2274:
1.1 nicm 2275: /* Filter out attribute bits already set. */
1.85 nicm 2276: changed = gc2.attr & ~tc->attr;
2277: tc->attr = gc2.attr;
1.1 nicm 2278:
2279: /* Set the attributes. */
2280: if (changed & GRID_ATTR_BRIGHT)
2281: tty_putcode(tty, TTYC_BOLD);
2282: if (changed & GRID_ATTR_DIM)
2283: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2284: if (changed & GRID_ATTR_ITALICS)
2285: tty_set_italics(tty);
1.308 nicm 2286: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2287: if ((changed & GRID_ATTR_UNDERSCORE) ||
2288: !tty_term_has(tty->term, TTYC_SMULX))
2289: tty_putcode(tty, TTYC_SMUL);
2290: else if (changed & GRID_ATTR_UNDERSCORE_2)
2291: tty_putcode1(tty, TTYC_SMULX, 2);
2292: else if (changed & GRID_ATTR_UNDERSCORE_3)
2293: tty_putcode1(tty, TTYC_SMULX, 3);
2294: else if (changed & GRID_ATTR_UNDERSCORE_4)
2295: tty_putcode1(tty, TTYC_SMULX, 4);
2296: else if (changed & GRID_ATTR_UNDERSCORE_5)
2297: tty_putcode1(tty, TTYC_SMULX, 5);
2298: }
1.1 nicm 2299: if (changed & GRID_ATTR_BLINK)
2300: tty_putcode(tty, TTYC_BLINK);
2301: if (changed & GRID_ATTR_REVERSE) {
2302: if (tty_term_has(tty->term, TTYC_REV))
2303: tty_putcode(tty, TTYC_REV);
2304: else if (tty_term_has(tty->term, TTYC_SMSO))
2305: tty_putcode(tty, TTYC_SMSO);
2306: }
2307: if (changed & GRID_ATTR_HIDDEN)
2308: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2309: if (changed & GRID_ATTR_STRIKETHROUGH)
2310: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2311: if (changed & GRID_ATTR_OVERLINE)
2312: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2313: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2314: tty_putcode(tty, TTYC_SMACS);
2315: }
2316:
1.207 nicm 2317: static void
1.85 nicm 2318: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2319: {
1.61 nicm 2320: struct grid_cell *tc = &tty->cell;
1.204 nicm 2321: int have_ax;
1.61 nicm 2322:
2323: /* No changes? Nothing is necessary. */
1.328 nicm 2324: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2325: return;
1.1 nicm 2326:
1.61 nicm 2327: /*
2328: * Is either the default colour? This is handled specially because the
2329: * best solution might be to reset both colours to default, in which
2330: * case if only one is default need to fall onward to set the other
2331: * colour.
2332: */
1.310 nicm 2333: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2334: /*
2335: * If don't have AX but do have op, send sgr0 (op can't
2336: * actually be used because it is sometimes the same as sgr0
2337: * and sometimes isn't). This resets both colours to default.
2338: *
2339: * Otherwise, try to set the default colour only as needed.
2340: */
1.174 nicm 2341: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2342: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2343: tty_reset(tty);
2344: else {
1.310 nicm 2345: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2346: if (have_ax)
2347: tty_puts(tty, "\033[39m");
1.204 nicm 2348: else if (tc->fg != 7)
1.61 nicm 2349: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2350: tc->fg = gc->fg;
1.61 nicm 2351: }
1.310 nicm 2352: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2353: if (have_ax)
1.61 nicm 2354: tty_puts(tty, "\033[49m");
1.204 nicm 2355: else if (tc->bg != 0)
1.61 nicm 2356: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2357: tc->bg = gc->bg;
1.61 nicm 2358: }
2359: }
2360: }
1.1 nicm 2361:
1.61 nicm 2362: /* Set the foreground colour. */
1.310 nicm 2363: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2364: tty_colours_fg(tty, gc);
1.1 nicm 2365:
1.61 nicm 2366: /*
2367: * Set the background colour. This must come after the foreground as
2368: * tty_colour_fg() can call tty_reset().
2369: */
1.310 nicm 2370: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2371: tty_colours_bg(tty, gc);
1.328 nicm 2372:
2373: /* Set the underscore color. */
2374: if (gc->us != tc->us)
2375: tty_colours_us(tty, gc);
1.1 nicm 2376: }
2377:
1.219 nicm 2378: static void
1.317 nicm 2379: tty_check_fg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2380: {
1.204 nicm 2381: u_char r, g, b;
2382: u_int colours;
1.223 nicm 2383: int c;
1.85 nicm 2384:
1.288 nicm 2385: /*
2386: * Perform substitution if this pane has a palette. If the bright
2387: * attribute is set, use the bright entry in the palette by changing to
2388: * the aixterm colour.
2389: */
2390: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2391: c = gc->fg;
1.289 nicm 2392: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2393: c += 90;
2394: if ((c = window_pane_get_palette(wp, c)) != -1)
2395: gc->fg = c;
2396: }
1.219 nicm 2397:
1.199 nicm 2398: /* Is this a 24-bit colour? */
1.204 nicm 2399: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2400: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.341 nicm 2401: if ((tty->term->flags|tty->term_flags) & TERM_RGBCOLOURS)
1.200 nicm 2402: return;
1.341 nicm 2403: colour_split_rgb(gc->fg, &r, &g, &b);
2404: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2405: }
1.224 nicm 2406:
2407: /* How many colours does this terminal have? */
2408: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2409: colours = 256;
2410: else
2411: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2412:
1.85 nicm 2413: /* Is this a 256-colour colour? */
1.204 nicm 2414: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2415: /* And not a 256 colour mode? */
1.224 nicm 2416: if (colours != 256) {
1.85 nicm 2417: gc->fg = colour_256to16(gc->fg);
2418: if (gc->fg & 8) {
2419: gc->fg &= 7;
1.175 nicm 2420: if (colours >= 16)
2421: gc->fg += 90;
1.332 nicm 2422: }
1.85 nicm 2423: }
2424: return;
2425: }
2426:
2427: /* Is this an aixterm colour? */
2428: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2429: gc->fg -= 90;
2430: gc->attr |= GRID_ATTR_BRIGHT;
2431: }
2432: }
2433:
1.219 nicm 2434: static void
1.317 nicm 2435: tty_check_bg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2436: {
1.204 nicm 2437: u_char r, g, b;
2438: u_int colours;
1.223 nicm 2439: int c;
1.85 nicm 2440:
1.288 nicm 2441: /* Perform substitution if this pane has a palette. */
2442: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2443: if ((c = window_pane_get_palette(wp, gc->bg)) != -1)
2444: gc->bg = c;
2445: }
1.219 nicm 2446:
1.199 nicm 2447: /* Is this a 24-bit colour? */
1.204 nicm 2448: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2449: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.341 nicm 2450: if ((tty->term->flags|tty->term_flags) & TERM_RGBCOLOURS)
1.200 nicm 2451: return;
1.341 nicm 2452: colour_split_rgb(gc->bg, &r, &g, &b);
2453: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2454: }
1.224 nicm 2455:
2456: /* How many colours does this terminal have? */
2457: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2458: colours = 256;
2459: else
2460: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2461:
1.85 nicm 2462: /* Is this a 256-colour colour? */
1.204 nicm 2463: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2464: /*
2465: * And not a 256 colour mode? Translate to 16-colour
2466: * palette. Bold background doesn't exist portably, so just
2467: * discard the bold bit if set.
2468: */
1.224 nicm 2469: if (colours != 256) {
1.85 nicm 2470: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2471: if (gc->bg & 8) {
1.85 nicm 2472: gc->bg &= 7;
1.175 nicm 2473: if (colours >= 16)
1.322 nicm 2474: gc->bg += 90;
1.175 nicm 2475: }
1.85 nicm 2476: }
2477: return;
2478: }
2479:
2480: /* Is this an aixterm colour? */
1.175 nicm 2481: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2482: gc->bg -= 90;
2483: }
2484:
1.207 nicm 2485: static void
1.335 nicm 2486: tty_check_us(__unused struct tty *tty, struct window_pane *wp,
2487: struct grid_cell *gc)
1.328 nicm 2488: {
2489: int c;
2490:
2491: /* Perform substitution if this pane has a palette. */
2492: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2493: if ((c = window_pane_get_palette(wp, gc->us)) != -1)
2494: gc->us = c;
2495: }
2496:
2497: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2498: if (gc->us & COLOUR_FLAG_256)
2499: gc->us = colour_256toRGB (gc->us);
2500: }
2501:
2502: static void
1.85 nicm 2503: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2504: {
1.61 nicm 2505: struct grid_cell *tc = &tty->cell;
1.79 nicm 2506: char s[32];
1.1 nicm 2507:
1.204 nicm 2508: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2509: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2510: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 2511: goto save_fg;
1.199 nicm 2512: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2513: return;
1.1 nicm 2514: }
2515:
1.79 nicm 2516: /* Is this an aixterm bright colour? */
1.204 nicm 2517: if (gc->fg >= 90 && gc->fg <= 97) {
1.323 nicm 2518: if (tty->term_flags & TERM_256COLOURS) {
2519: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2520: tty_puts(tty, s);
2521: } else
2522: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.85 nicm 2523: goto save_fg;
1.79 nicm 2524: }
2525:
1.61 nicm 2526: /* Otherwise set the foreground colour. */
1.204 nicm 2527: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2528:
1.77 nicm 2529: save_fg:
1.61 nicm 2530: /* Save the new values in the terminal current cell. */
1.204 nicm 2531: tc->fg = gc->fg;
1.1 nicm 2532: }
2533:
1.207 nicm 2534: static void
1.73 nicm 2535: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2536: {
1.61 nicm 2537: struct grid_cell *tc = &tty->cell;
1.79 nicm 2538: char s[32];
1.1 nicm 2539:
1.204 nicm 2540: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2541: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2542: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 2543: goto save_bg;
1.199 nicm 2544: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2545: return;
1.79 nicm 2546: }
2547:
2548: /* Is this an aixterm bright colour? */
1.204 nicm 2549: if (gc->bg >= 90 && gc->bg <= 97) {
1.323 nicm 2550: if (tty->term_flags & TERM_256COLOURS) {
2551: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2552: tty_puts(tty, s);
2553: } else
2554: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.175 nicm 2555: goto save_bg;
1.1 nicm 2556: }
2557:
1.61 nicm 2558: /* Otherwise set the background colour. */
1.204 nicm 2559: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2560:
2561: save_bg:
2562: /* Save the new values in the terminal current cell. */
1.204 nicm 2563: tc->bg = gc->bg;
1.328 nicm 2564: }
2565:
2566: static void
2567: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2568: {
2569: struct grid_cell *tc = &tty->cell;
2570: u_int c;
2571: u_char r, g, b;
2572:
2573: /* Must be an RGB colour - this should never happen. */
2574: if (~gc->us & COLOUR_FLAG_RGB)
2575: return;
2576:
2577: /*
2578: * Setulc follows the ncurses(3) one argument "direct colour"
2579: * capability format. Calculate the colour value.
2580: */
2581: colour_split_rgb(gc->us, &r, &g, &b);
2582: c = (65536 * r) + (256 * g) + b;
2583:
2584: /* Write the colour. */
2585: tty_putcode1(tty, TTYC_SETULC, c);
2586:
2587: /* Save the new values in the terminal current cell. */
2588: tc->us = gc->us;
1.61 nicm 2589: }
2590:
1.207 nicm 2591: static int
1.204 nicm 2592: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2593: {
1.204 nicm 2594: u_char r, g, b;
1.61 nicm 2595: char s[32];
2596:
1.204 nicm 2597: if (colour & COLOUR_FLAG_256) {
2598: /*
1.300 nicm 2599: * If the user has specified -2 to the client (meaning
2600: * TERM_256COLOURS is set), setaf and setab may not work (or
2601: * they may not want to use them), so send the usual sequence.
2602: *
2603: * Also if RGB is set, setaf and setab do not support the 256
2604: * colour palette so use the sequences directly there too.
1.204 nicm 2605: */
1.300 nicm 2606: if ((tty->term_flags & TERM_256COLOURS) ||
2607: tty_term_has(tty->term, TTYC_RGB))
1.204 nicm 2608: goto fallback_256;
1.189 nicm 2609:
1.204 nicm 2610: /*
2611: * If the terminfo entry has 256 colours and setaf and setab
2612: * exist, assume that they work correctly.
2613: */
2614: if (tty->term->flags & TERM_256COLOURS) {
2615: if (*type == '3') {
2616: if (!tty_term_has(tty->term, TTYC_SETAF))
2617: goto fallback_256;
2618: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2619: } else {
2620: if (!tty_term_has(tty->term, TTYC_SETAB))
2621: goto fallback_256;
2622: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2623: }
2624: return (0);
1.188 nicm 2625: }
1.204 nicm 2626: goto fallback_256;
2627: }
2628:
2629: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2630: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.286 nicm 2631: if (*type == '3') {
2632: if (!tty_term_has(tty->term, TTYC_SETRGBF))
1.341 nicm 2633: goto fallback_rgb;
1.286 nicm 2634: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
2635: } else {
2636: if (!tty_term_has(tty->term, TTYC_SETRGBB))
1.341 nicm 2637: goto fallback_rgb;
1.286 nicm 2638: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
2639: }
1.165 nicm 2640: return (0);
2641: }
1.61 nicm 2642:
1.165 nicm 2643: return (-1);
1.188 nicm 2644:
1.204 nicm 2645: fallback_256:
2646: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.300 nicm 2647: log_debug("%s: 256 colour fallback: %s", tty->client->name, s);
1.341 nicm 2648: tty_puts(tty, s);
2649: return (0);
2650:
2651: fallback_rgb:
2652: xsnprintf(s, sizeof s, "\033[%s;2;%d;%d;%dm", type, r, g, b);
2653: log_debug("%s: RGB colour fallback: %s", tty->client->name, s);
1.188 nicm 2654: tty_puts(tty, s);
2655: return (0);
1.176 nicm 2656: }
2657:
1.207 nicm 2658: static void
1.317 nicm 2659: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2660: {
1.326 nicm 2661: struct options *oo = wp->options;
2662: struct style *style, *active_style;
2663: int c;
2664:
2665: if (wp->flags & PANE_STYLECHANGED) {
2666: wp->flags &= ~PANE_STYLECHANGED;
2667:
2668: active_style = options_get_style(oo, "window-active-style");
2669: style = options_get_style(oo, "window-style");
2670:
2671: style_copy(&wp->cached_active_style, active_style);
2672: style_copy(&wp->cached_style, style);
1.203 nicm 2673: } else {
1.326 nicm 2674: active_style = &wp->cached_active_style;
2675: style = &wp->cached_style;
1.203 nicm 2676: }
1.176 nicm 2677:
1.204 nicm 2678: if (gc->fg == 8) {
1.326 nicm 2679: if (wp == wp->window->active && active_style->gc.fg != 8)
2680: gc->fg = active_style->gc.fg;
1.204 nicm 2681: else
1.326 nicm 2682: gc->fg = style->gc.fg;
1.219 nicm 2683:
1.310 nicm 2684: if (gc->fg != 8) {
2685: c = window_pane_get_palette(wp, gc->fg);
2686: if (c != -1)
2687: gc->fg = c;
2688: }
1.176 nicm 2689: }
2690:
1.204 nicm 2691: if (gc->bg == 8) {
1.326 nicm 2692: if (wp == wp->window->active && active_style->gc.bg != 8)
2693: gc->bg = active_style->gc.bg;
1.204 nicm 2694: else
1.326 nicm 2695: gc->bg = style->gc.bg;
1.219 nicm 2696:
1.310 nicm 2697: if (gc->bg != 8) {
2698: c = window_pane_get_palette(wp, gc->bg);
2699: if (c != -1)
2700: gc->bg = c;
2701: }
1.176 nicm 2702: }
1.210 nicm 2703: }
2704:
2705: static void
1.317 nicm 2706: tty_default_attributes(struct tty *tty, struct window_pane *wp, u_int bg)
1.210 nicm 2707: {
2708: static struct grid_cell gc;
2709:
2710: memcpy(&gc, &grid_default_cell, sizeof gc);
2711: gc.bg = bg;
2712: tty_attributes(tty, &gc, wp);
1.1 nicm 2713: }