Annotation of src/usr.bin/tmux/tty.c, Revision 1.346
1.346 ! nicm 1: /* $OpenBSD: tty.c,v 1.345 2020/03/17 12:20:12 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:
1.346 ! nicm 1253: static int
! 1254: tty_check_overlay(struct tty *tty, u_int px, u_int py)
! 1255: {
! 1256: struct client *c = tty->client;
! 1257:
! 1258: if (c->overlay_check == NULL)
! 1259: return (1);
! 1260: return (c->overlay_check(c, px, py));
! 1261: }
! 1262:
1.176 nicm 1263: void
1.317 nicm 1264: tty_draw_line(struct tty *tty, struct window_pane *wp, struct screen *s,
1265: u_int px, u_int py, u_int nx, u_int atx, u_int aty)
1.1 nicm 1266: {
1.297 nicm 1267: struct grid *gd = s->grid;
1.250 nicm 1268: struct grid_cell gc, last;
1.298 nicm 1269: const struct grid_cell *gcp;
1.309 nicm 1270: struct grid_line *gl;
1271: u_int i, j, ux, sx, width;
1.329 nicm 1272: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1273: char buf[512];
1.315 nicm 1274: size_t len;
1.303 nicm 1275: u_int cellsize;
1.1 nicm 1276:
1.309 nicm 1277: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1278: px, py, nx, atx, aty);
1279:
1280: /*
1281: * py is the line in the screen to draw.
1282: * px is the start x and nx is the width to draw.
1283: * atx,aty is the line on the terminal to draw it.
1284: */
1285:
1.259 nicm 1286: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1287: tty->flags |= TTY_NOCURSOR;
1288: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1289:
1.214 nicm 1290: tty_region_off(tty);
1291: tty_margin_off(tty);
1292:
1.273 nicm 1293: /*
1294: * Clamp the width to cellsize - note this is not cellused, because
1295: * there may be empty background cells after it (from BCE).
1296: */
1.1 nicm 1297: sx = screen_size_x(s);
1.309 nicm 1298: if (nx > sx)
1299: nx = sx;
1.303 nicm 1300: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1301: if (sx > cellsize)
1302: sx = cellsize;
1.1 nicm 1303: if (sx > tty->sx)
1304: sx = tty->sx;
1.309 nicm 1305: if (sx > nx)
1306: sx = nx;
1.292 nicm 1307: ux = 0;
1.1 nicm 1308:
1.309 nicm 1309: if (py == 0)
1310: gl = NULL;
1311: else
1312: gl = grid_get_line(gd, gd->hsize + py - 1);
1.268 nicm 1313: if (wp == NULL ||
1.309 nicm 1314: gl == NULL ||
1315: (~gl->flags & GRID_LINE_WRAPPED) ||
1316: atx != 0 ||
1.268 nicm 1317: tty->cx < tty->sx ||
1.309 nicm 1318: nx < tty->sx) {
1319: if (nx < tty->sx &&
1320: atx == 0 &&
1321: px + sx != nx &&
1.268 nicm 1322: tty_term_has(tty->term, TTYC_EL1) &&
1323: !tty_fake_bce(tty, wp, 8)) {
1324: tty_default_attributes(tty, wp, 8);
1.309 nicm 1325: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1326: tty_putcode(tty, TTYC_EL1);
1327: cleared = 1;
1328: }
1.329 nicm 1329: } else {
1.309 nicm 1330: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1331: wrapped = 1;
1332: }
1.250 nicm 1333:
1334: memcpy(&last, &grid_default_cell, sizeof last);
1335: len = 0;
1336: width = 0;
1.46 nicm 1337:
1.1 nicm 1338: for (i = 0; i < sx; i++) {
1.309 nicm 1339: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1340: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1341: if (len != 0 &&
1.346 ! nicm 1342: (!tty_check_overlay(tty, atx + ux + width, aty) ||
! 1343: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1344: gcp->flags != last.flags ||
1345: gcp->attr != last.attr ||
1346: gcp->fg != last.fg ||
1347: gcp->bg != last.bg ||
1.328 nicm 1348: gcp->us != last.us ||
1.315 nicm 1349: ux + width + gcp->data.width > nx ||
1.298 nicm 1350: (sizeof buf) - len < gcp->data.size)) {
1.316 nicm 1351: tty_attributes(tty, &last, wp);
1.315 nicm 1352: if (last.flags & GRID_FLAG_CLEARED) {
1353: log_debug("%s: %zu cleared", __func__, len);
1354: tty_clear_line(tty, wp, aty, atx + ux, width,
1355: last.bg);
1356: } else {
1.329 nicm 1357: if (!wrapped || atx != 0 || ux != 0)
1358: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1359: tty_putn(tty, buf, len, width);
1360: }
1.292 nicm 1361: ux += width;
1.250 nicm 1362:
1363: len = 0;
1364: width = 0;
1.329 nicm 1365: wrapped = 0;
1.250 nicm 1366: }
1367:
1.298 nicm 1368: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1369: screen_select_cell(s, &last, gcp);
1.250 nicm 1370: else
1.299 nicm 1371: memcpy(&last, gcp, sizeof last);
1.346 ! nicm 1372: if (!tty_check_overlay(tty, atx + ux, aty))
! 1373: ux += gcp->data.width;
! 1374: else if (ux + gcp->data.width > nx) {
1.299 nicm 1375: tty_attributes(tty, &last, wp);
1.315 nicm 1376: tty_cursor(tty, atx + ux, aty);
1.298 nicm 1377: for (j = 0; j < gcp->data.width; j++) {
1.309 nicm 1378: if (ux + j > nx)
1.297 nicm 1379: break;
1380: tty_putc(tty, ' ');
1381: ux++;
1382: }
1.299 nicm 1383: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1384: tty_attributes(tty, &last, wp);
1.315 nicm 1385: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1386: for (j = 0; j < gcp->data.size; j++)
1387: tty_putc(tty, gcp->data.data[j]);
1.346 ! nicm 1388: ux += gcp->data.width;
1.299 nicm 1389: } else {
1.298 nicm 1390: memcpy(buf + len, gcp->data.data, gcp->data.size);
1391: len += gcp->data.size;
1392: width += gcp->data.width;
1.250 nicm 1393: }
1394: }
1.315 nicm 1395: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.316 nicm 1396: tty_attributes(tty, &last, wp);
1.315 nicm 1397: if (last.flags & GRID_FLAG_CLEARED) {
1398: log_debug("%s: %zu cleared (end)", __func__, len);
1399: tty_clear_line(tty, wp, aty, atx + ux, width, last.bg);
1400: } else {
1.329 nicm 1401: if (!wrapped || atx != 0 || ux != 0)
1402: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1403: tty_putn(tty, buf, len, width);
1404: }
1.315 nicm 1405: ux += width;
1.1 nicm 1406: }
1407:
1.309 nicm 1408: if (!cleared && ux < nx) {
1.315 nicm 1409: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1410: nx - ux, len);
1.210 nicm 1411: tty_default_attributes(tty, wp, 8);
1.309 nicm 1412: tty_clear_line(tty, wp, aty, atx + ux, nx - ux, 8);
1.35 nicm 1413: }
1.1 nicm 1414:
1.181 nicm 1415: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1416: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1417: }
1418:
1.201 nicm 1419: static int
1.182 nicm 1420: tty_client_ready(struct client *c, struct window_pane *wp)
1421: {
1422: if (c->session == NULL || c->tty.term == NULL)
1423: return (0);
1.305 nicm 1424: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1425: return (0);
1426: if (c->tty.flags & TTY_FREEZE)
1427: return (0);
1428: if (c->session->curw->window != wp->window)
1429: return (0);
1.309 nicm 1430: if (wp->layout_cell == NULL)
1431: return (0);
1.182 nicm 1432: return (1);
1433: }
1434:
1.15 nicm 1435: void
1.182 nicm 1436: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1437: struct tty_ctx *ctx)
1.15 nicm 1438: {
1439: struct window_pane *wp = ctx->wp;
1440: struct client *c;
1441:
1442: if (wp == NULL)
1443: return;
1.309 nicm 1444: if (wp->flags & (PANE_REDRAW|PANE_DROP))
1.15 nicm 1445: return;
1446:
1.178 nicm 1447: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 1448: if (!tty_client_ready(c, wp))
1.15 nicm 1449: continue;
1450:
1.309 nicm 1451: ctx->bigger = tty_window_offset(&c->tty, &ctx->ox, &ctx->oy,
1452: &ctx->sx, &ctx->sy);
1453:
1.139 nicm 1454: ctx->xoff = wp->xoff;
1455: ctx->yoff = wp->yoff;
1.309 nicm 1456:
1.139 nicm 1457: if (status_at_line(c) == 0)
1.309 nicm 1458: ctx->yoff += status_line_size(c);
1.113 nicm 1459:
1.139 nicm 1460: cmdfn(&c->tty, ctx);
1.1 nicm 1461: }
1462: }
1463:
1464: void
1.24 nicm 1465: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1466: {
1.77 nicm 1467: struct window_pane *wp = ctx->wp;
1.1 nicm 1468:
1.309 nicm 1469: if (ctx->bigger ||
1470: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1471: tty_fake_bce(tty, wp, ctx->bg) ||
1472: (!tty_term_has(tty->term, TTYC_ICH) &&
1473: !tty_term_has(tty->term, TTYC_ICH1))) {
1.309 nicm 1474: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1475: return;
1476: }
1477:
1.210 nicm 1478: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1479:
1.77 nicm 1480: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1481:
1.206 nicm 1482: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1483: }
1484:
1485: void
1.24 nicm 1486: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1487: {
1.77 nicm 1488: struct window_pane *wp = ctx->wp;
1.1 nicm 1489:
1.309 nicm 1490: if (ctx->bigger ||
1491: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1492: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 1493: (!tty_term_has(tty->term, TTYC_DCH) &&
1494: !tty_term_has(tty->term, TTYC_DCH1))) {
1.309 nicm 1495: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1496: return;
1497: }
1498:
1.210 nicm 1499: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1500:
1.77 nicm 1501: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1502:
1.206 nicm 1503: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1504: }
1505:
1506: void
1507: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1508: {
1.309 nicm 1509: if (ctx->bigger) {
1510: tty_draw_pane(tty, ctx, ctx->ocy);
1511: return;
1512: }
1513:
1.275 nicm 1514: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.146 nicm 1515:
1516: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1517:
1.210 nicm 1518: if (tty_term_has(tty->term, TTYC_ECH) &&
1.262 nicm 1519: !tty_fake_bce(tty, ctx->wp, 8))
1.146 nicm 1520: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1521: else
1522: tty_repeat_space(tty, ctx->num);
1.1 nicm 1523: }
1524:
1525: void
1.24 nicm 1526: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1527: {
1.309 nicm 1528: if (ctx->bigger ||
1529: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1530: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 1531: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1532: !tty_term_has(tty->term, TTYC_IL1) ||
1533: ctx->wp->sx == 1 ||
1534: ctx->wp->sy == 1) {
1.14 nicm 1535: tty_redraw_region(tty, ctx);
1.1 nicm 1536: return;
1537: }
1538:
1.210 nicm 1539: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1540:
1.77 nicm 1541: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1542: tty_margin_off(tty);
1.77 nicm 1543: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1544:
1.12 nicm 1545: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1546: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1547: }
1548:
1549: void
1.24 nicm 1550: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1551: {
1.309 nicm 1552: if (ctx->bigger ||
1553: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1554: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 1555: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1556: !tty_term_has(tty->term, TTYC_DL1) ||
1557: ctx->wp->sx == 1 ||
1558: ctx->wp->sy == 1) {
1.14 nicm 1559: tty_redraw_region(tty, ctx);
1.1 nicm 1560: return;
1561: }
1562:
1.210 nicm 1563: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1564:
1.77 nicm 1565: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1566: tty_margin_off(tty);
1.77 nicm 1567: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1568:
1.12 nicm 1569: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1570: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1571: }
1572:
1573: void
1.24 nicm 1574: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1575: {
1.77 nicm 1576: struct window_pane *wp = ctx->wp;
1.309 nicm 1577: u_int nx;
1.1 nicm 1578:
1.210 nicm 1579: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1580:
1.271 nicm 1581: nx = screen_size_x(wp->screen);
1.309 nicm 1582: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, nx, ctx->bg);
1.1 nicm 1583: }
1584:
1585: void
1.24 nicm 1586: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1587: {
1.77 nicm 1588: struct window_pane *wp = ctx->wp;
1.309 nicm 1589: u_int nx;
1.1 nicm 1590:
1.210 nicm 1591: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1592:
1.271 nicm 1593: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1594: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1595: }
1596:
1597: void
1.24 nicm 1598: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1599: {
1.210 nicm 1600: struct window_pane *wp = ctx->wp;
1601:
1602: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1603:
1.309 nicm 1604: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1605: }
1606:
1607: void
1.24 nicm 1608: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1609: {
1.278 nicm 1610: struct window_pane *wp = ctx->wp;
1611:
1.56 nicm 1612: if (ctx->ocy != ctx->orupper)
1613: return;
1614:
1.309 nicm 1615: if (ctx->bigger ||
1.331 nicm 1616: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.278 nicm 1617: tty_fake_bce(tty, wp, 8) ||
1.70 nicm 1618: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1619: (!tty_term_has(tty->term, TTYC_RI) &&
1620: !tty_term_has(tty->term, TTYC_RIN)) ||
1.307 nicm 1621: ctx->wp->sx == 1 ||
1622: ctx->wp->sy == 1) {
1.14 nicm 1623: tty_redraw_region(tty, ctx);
1.1 nicm 1624: return;
1625: }
1626:
1.278 nicm 1627: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1628:
1.56 nicm 1629: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1630: tty_margin_pane(tty, ctx);
1.56 nicm 1631: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1632:
1.331 nicm 1633: if (tty_term_has(tty->term, TTYC_RI))
1634: tty_putcode(tty, TTYC_RI);
1635: else
1636: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1637: }
1638:
1639: void
1.24 nicm 1640: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1641: {
1.77 nicm 1642: struct window_pane *wp = ctx->wp;
1.1 nicm 1643:
1.56 nicm 1644: if (ctx->ocy != ctx->orlower)
1645: return;
1646:
1.309 nicm 1647: if (ctx->bigger ||
1648: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1649: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1650: !tty_term_has(tty->term, TTYC_CSR) ||
1651: wp->sx == 1 ||
1652: wp->sy == 1) {
1.236 nicm 1653: tty_redraw_region(tty, ctx);
1.1 nicm 1654: return;
1655: }
1.52 nicm 1656:
1.278 nicm 1657: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1658:
1.56 nicm 1659: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1660: tty_margin_pane(tty, ctx);
1661:
1662: /*
1.301 nicm 1663: * If we want to wrap a pane while using margins, the cursor needs to
1664: * be exactly on the right of the region. If the cursor is entirely off
1665: * the edge - move it back to the right. Some terminals are funny about
1666: * this and insert extra spaces, so only use the right if margins are
1667: * enabled.
1.212 nicm 1668: */
1.301 nicm 1669: if (ctx->xoff + ctx->ocx > tty->rright) {
1670: if (!tty_use_margin(tty))
1671: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1672: else
1673: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1674: } else
1.212 nicm 1675: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1676:
1.56 nicm 1677: tty_putc(tty, '\n');
1.240 nicm 1678: }
1679:
1680: void
1681: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1682: {
1683: struct window_pane *wp = ctx->wp;
1.284 nicm 1684: u_int i;
1.240 nicm 1685:
1.309 nicm 1686: if (ctx->bigger ||
1687: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1688: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1689: !tty_term_has(tty->term, TTYC_CSR) ||
1690: wp->sx == 1 ||
1691: wp->sy == 1) {
1.240 nicm 1692: tty_redraw_region(tty, ctx);
1693: return;
1694: }
1695:
1.278 nicm 1696: tty_default_attributes(tty, wp, ctx->bg);
1.240 nicm 1697:
1698: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1699: tty_margin_pane(tty, ctx);
1700:
1.284 nicm 1701: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1702: if (!tty_use_margin(tty))
1703: tty_cursor(tty, 0, tty->rlower);
1704: else
1705: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1706: for (i = 0; i < ctx->num; i++)
1.240 nicm 1707: tty_putc(tty, '\n');
1.301 nicm 1708: } else {
1709: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1710: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1711: }
1712: }
1713:
1714: void
1715: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1716: {
1717: struct window_pane *wp = ctx->wp;
1718: u_int i;
1719:
1720: if (ctx->bigger ||
1721: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1722: tty_fake_bce(tty, wp, 8) ||
1723: !tty_term_has(tty->term, TTYC_CSR) ||
1724: (!tty_term_has(tty->term, TTYC_RI) &&
1725: !tty_term_has(tty->term, TTYC_RIN)) ||
1726: wp->sx == 1 ||
1727: wp->sy == 1) {
1728: tty_redraw_region(tty, ctx);
1729: return;
1730: }
1731:
1732: tty_default_attributes(tty, wp, ctx->bg);
1733:
1734: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1735: tty_margin_pane(tty, ctx);
1736: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1737:
1738: if (tty_term_has(tty->term, TTYC_RIN))
1739: tty_putcode1(tty, TTYC_RIN, ctx->num);
1740: else {
1741: for (i = 0; i < ctx->num; i++)
1742: tty_putcode(tty, TTYC_RI);
1.301 nicm 1743: }
1.1 nicm 1744: }
1745:
1746: void
1.24 nicm 1747: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1748: {
1.77 nicm 1749: struct window_pane *wp = ctx->wp;
1.271 nicm 1750: u_int px, py, nx, ny;
1.1 nicm 1751:
1.210 nicm 1752: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1753:
1.271 nicm 1754: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1755: tty_margin_off(tty);
1.39 nicm 1756:
1.309 nicm 1757: px = 0;
1.271 nicm 1758: nx = screen_size_x(wp->screen);
1.309 nicm 1759: py = ctx->ocy + 1;
1.271 nicm 1760: ny = screen_size_y(wp->screen) - ctx->ocy - 1;
1761:
1.309 nicm 1762: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1763:
1.309 nicm 1764: px = ctx->ocx;
1.271 nicm 1765: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1766: py = ctx->ocy;
1.271 nicm 1767:
1.309 nicm 1768: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1769: }
1770:
1771: void
1.24 nicm 1772: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1773: {
1.77 nicm 1774: struct window_pane *wp = ctx->wp;
1.271 nicm 1775: u_int px, py, nx, ny;
1.1 nicm 1776:
1.227 nicm 1777: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1778:
1.271 nicm 1779: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1780: tty_margin_off(tty);
1.39 nicm 1781:
1.309 nicm 1782: px = 0;
1.271 nicm 1783: nx = screen_size_x(wp->screen);
1.309 nicm 1784: py = 0;
1.319 nicm 1785: ny = ctx->ocy;
1.271 nicm 1786:
1.309 nicm 1787: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1788:
1.309 nicm 1789: px = 0;
1.271 nicm 1790: nx = ctx->ocx + 1;
1.309 nicm 1791: py = ctx->ocy;
1.271 nicm 1792:
1.309 nicm 1793: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1794: }
1795:
1796: void
1.24 nicm 1797: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1798: {
1.77 nicm 1799: struct window_pane *wp = ctx->wp;
1.271 nicm 1800: u_int px, py, nx, ny;
1.1 nicm 1801:
1.210 nicm 1802: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1803:
1.271 nicm 1804: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1805: tty_margin_off(tty);
1.39 nicm 1806:
1.309 nicm 1807: px = 0;
1.271 nicm 1808: nx = screen_size_x(wp->screen);
1.309 nicm 1809: py = 0;
1.271 nicm 1810: ny = screen_size_y(wp->screen);
1811:
1.309 nicm 1812: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1813: }
1814:
1815: void
1.24 nicm 1816: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1817: {
1.12 nicm 1818: struct window_pane *wp = ctx->wp;
1819: struct screen *s = wp->screen;
1820: u_int i, j;
1.4 nicm 1821:
1.309 nicm 1822: if (ctx->bigger) {
1823: wp->flags |= PANE_REDRAW;
1824: return;
1825: }
1826:
1.176 nicm 1827: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1828:
1.39 nicm 1829: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1830: tty_margin_off(tty);
1.4 nicm 1831:
1832: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1833: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1834: for (i = 0; i < screen_size_x(s); i++)
1835: tty_putc(tty, 'E');
1.1 nicm 1836: }
1837: }
1838:
1839: void
1.24 nicm 1840: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1841: {
1.309 nicm 1842: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1))
1843: return;
1844:
1845: if (ctx->xoff + ctx->ocx - ctx->ox > tty->sx - 1 &&
1.306 nicm 1846: ctx->ocy == ctx->orlower &&
1847: tty_pane_full_width(tty, ctx))
1848: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1849:
1.306 nicm 1850: tty_margin_off(tty);
1.253 nicm 1851: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1852:
1.237 nicm 1853: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1854: }
1855:
1856: void
1857: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1858: {
1.309 nicm 1859: struct window_pane *wp = ctx->wp;
1860:
1861: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1862: return;
1863:
1864: if (ctx->bigger &&
1865: (ctx->xoff + ctx->ocx < ctx->ox ||
1866: ctx->xoff + ctx->ocx + ctx->num > ctx->ox + ctx->sx)) {
1867: if (!ctx->wrapped ||
1868: !tty_pane_full_width(tty, ctx) ||
1.337 nicm 1869: (tty->term->flags & TERM_NOXENL) ||
1.309 nicm 1870: ctx->xoff + ctx->ocx != 0 ||
1871: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1872: tty->cx < tty->sx ||
1873: tty->cy == tty->rlower)
1874: tty_draw_pane(tty, ctx, ctx->ocy);
1875: else
1876: wp->flags |= PANE_REDRAW;
1877: return;
1878: }
1879:
1.306 nicm 1880: tty_margin_off(tty);
1.253 nicm 1881: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1882:
1883: tty_attributes(tty, ctx->cell, ctx->wp);
1884: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1885: }
1886:
1887: void
1888: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1889: {
1890: char *buf;
1891: size_t off;
1892:
1893: if (!tty_term_has(tty->term, TTYC_MS))
1894: return;
1895:
1896: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1897: buf = xmalloc(off);
1898:
1899: b64_ntop(ctx->ptr, ctx->num, buf, off);
1900: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1901:
1.138 nicm 1902: free(buf);
1.100 nicm 1903: }
1904:
1905: void
1906: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1907: {
1.256 nicm 1908: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1909: tty_invalidate(tty);
1.1 nicm 1910: }
1911:
1.207 nicm 1912: static void
1.317 nicm 1913: tty_cell(struct tty *tty, const struct grid_cell *gc, struct window_pane *wp)
1.1 nicm 1914: {
1.298 nicm 1915: const struct grid_cell *gcp;
1.1 nicm 1916:
1917: /* Skip last character if terminal is stupid. */
1.337 nicm 1918: if ((tty->term->flags & TERM_NOXENL) &&
1.211 nicm 1919: tty->cy == tty->sy - 1 &&
1920: tty->cx == tty->sx - 1)
1.1 nicm 1921: return;
1922:
1923: /* If this is a padding character, do nothing. */
1924: if (gc->flags & GRID_FLAG_PADDING)
1925: return;
1926:
1927: /* Set the attributes. */
1.176 nicm 1928: tty_attributes(tty, gc, wp);
1.1 nicm 1929:
1.147 nicm 1930: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.298 nicm 1931: gcp = tty_check_codeset(tty, gc);
1932: if (gcp->data.size == 1) {
1933: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 1934: return;
1.298 nicm 1935: tty_putc(tty, *gcp->data.data);
1.1 nicm 1936: return;
1937: }
1938:
1.147 nicm 1939: /* Write the data. */
1.298 nicm 1940: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 1941: }
1942:
1943: void
1944: tty_reset(struct tty *tty)
1945: {
1946: struct grid_cell *gc = &tty->cell;
1947:
1.228 nicm 1948: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 1949: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 1950: tty_putcode(tty, TTYC_RMACS);
1951: tty_putcode(tty, TTYC_SGR0);
1952: memcpy(gc, &grid_default_cell, sizeof *gc);
1953: }
1.1 nicm 1954:
1.228 nicm 1955: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1956: tty->last_wp = -1;
1.242 nicm 1957: }
1958:
1959: static void
1960: tty_invalidate(struct tty *tty)
1961: {
1962: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1963:
1964: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1965: tty->last_wp = -1;
1966:
1967: tty->cx = tty->cy = UINT_MAX;
1968:
1969: tty->rupper = tty->rleft = UINT_MAX;
1970: tty->rlower = tty->rright = UINT_MAX;
1971:
1972: if (tty->flags & TTY_STARTED) {
1.330 nicm 1973: if (tty_use_margin(tty))
1974: tty_puts(tty, "\033[?69h"); /* DECLRMM */
1.242 nicm 1975: tty_putcode(tty, TTYC_SGR0);
1976:
1977: tty->mode = ALL_MODES;
1978: tty_update_mode(tty, MODE_CURSOR, NULL);
1979:
1980: tty_cursor(tty, 0, 0);
1981: tty_region_off(tty);
1982: tty_margin_off(tty);
1983: } else
1984: tty->mode = MODE_CURSOR;
1.1 nicm 1985: }
1986:
1.214 nicm 1987: /* Turn off margin. */
1988: void
1989: tty_region_off(struct tty *tty)
1990: {
1991: tty_region(tty, 0, tty->sy - 1);
1992: }
1993:
1.40 nicm 1994: /* Set region inside pane. */
1.208 nicm 1995: static void
1.196 nicm 1996: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1997: u_int rlower)
1.1 nicm 1998: {
1.309 nicm 1999: tty_region(tty, ctx->yoff + rupper - ctx->oy,
2000: ctx->yoff + rlower - ctx->oy);
1.39 nicm 2001: }
2002:
1.40 nicm 2003: /* Set region at absolute position. */
1.214 nicm 2004: static void
1.40 nicm 2005: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2006: {
2007: if (tty->rlower == rlower && tty->rupper == rupper)
2008: return;
1.1 nicm 2009: if (!tty_term_has(tty->term, TTYC_CSR))
2010: return;
1.39 nicm 2011:
2012: tty->rupper = rupper;
2013: tty->rlower = rlower;
1.55 nicm 2014:
2015: /*
2016: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2017: * 0,0 if it is beyond the last column (they do not reset their wrap
2018: * flag so further output causes a line feed). As a workaround, do an
2019: * explicit move to 0 first.
2020: */
2021: if (tty->cx >= tty->sx)
2022: tty_cursor(tty, 0, tty->cy);
1.42 nicm 2023:
1.39 nicm 2024: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2025: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2026: }
2027:
1.214 nicm 2028: /* Turn off margin. */
2029: void
2030: tty_margin_off(struct tty *tty)
2031: {
2032: tty_margin(tty, 0, tty->sx - 1);
2033: }
2034:
1.212 nicm 2035: /* Set margin inside pane. */
2036: static void
2037: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2038: {
1.309 nicm 2039: tty_margin(tty, ctx->xoff - ctx->ox,
2040: ctx->xoff + ctx->wp->sx - 1 - ctx->ox);
1.212 nicm 2041: }
2042:
2043: /* Set margin at absolute position. */
1.214 nicm 2044: static void
1.212 nicm 2045: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2046: {
2047: char s[64];
2048:
2049: if (!tty_use_margin(tty))
2050: return;
2051: if (tty->rleft == rleft && tty->rright == rright)
2052: return;
2053:
1.232 nicm 2054: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2055:
1.212 nicm 2056: tty->rleft = rleft;
2057: tty->rright = rright;
2058:
1.232 nicm 2059: if (rleft == 0 && rright == tty->sx - 1)
2060: snprintf(s, sizeof s, "\033[s");
2061: else
2062: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 2063: tty_puts(tty, s);
1.249 nicm 2064: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2065: }
2066:
2067: /*
2068: * Move the cursor, unless it would wrap itself when the next character is
2069: * printed.
2070: */
2071: static void
2072: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2073: u_int cx, u_int cy)
2074: {
1.268 nicm 2075: if (!ctx->wrapped ||
2076: !tty_pane_full_width(tty, ctx) ||
1.337 nicm 2077: (tty->term->flags & TERM_NOXENL) ||
1.253 nicm 2078: ctx->xoff + cx != 0 ||
2079: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2080: tty->cx < tty->sx ||
2081: tty->cy == tty->rlower)
1.253 nicm 2082: tty_cursor_pane(tty, ctx, cx, cy);
2083: else
2084: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2085: }
2086:
1.42 nicm 2087: /* Move cursor inside pane. */
1.208 nicm 2088: static void
1.41 nicm 2089: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2090: {
1.309 nicm 2091: tty_cursor(tty, ctx->xoff + cx - ctx->ox, ctx->yoff + cy - ctx->oy);
1.41 nicm 2092: }
2093:
1.42 nicm 2094: /* Move cursor to absolute position. */
1.41 nicm 2095: void
2096: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2097: {
1.42 nicm 2098: struct tty_term *term = tty->term;
2099: u_int thisx, thisy;
2100: int change;
1.77 nicm 2101:
1.42 nicm 2102: if (cx > tty->sx - 1)
2103: cx = tty->sx - 1;
2104:
2105: thisx = tty->cx;
2106: thisy = tty->cy;
2107:
2108: /* No change. */
2109: if (cx == thisx && cy == thisy)
2110: return;
2111:
1.43 nicm 2112: /* Very end of the line, just use absolute movement. */
2113: if (thisx > tty->sx - 1)
2114: goto absolute;
2115:
1.42 nicm 2116: /* Move to home position (0, 0). */
2117: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2118: tty_putcode(tty, TTYC_HOME);
2119: goto out;
2120: }
2121:
2122: /* Zero on the next line. */
1.293 nicm 2123: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2124: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2125: tty_putc(tty, '\r');
1.42 nicm 2126: tty_putc(tty, '\n');
2127: goto out;
2128: }
2129:
1.45 nicm 2130: /* Moving column or row. */
1.42 nicm 2131: if (cy == thisy) {
1.45 nicm 2132: /*
2133: * Moving column only, row staying the same.
2134: */
2135:
1.42 nicm 2136: /* To left edge. */
1.294 nicm 2137: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2138: tty_putc(tty, '\r');
2139: goto out;
2140: }
2141:
2142: /* One to the left. */
2143: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2144: tty_putcode(tty, TTYC_CUB1);
2145: goto out;
2146: }
2147:
2148: /* One to the right. */
2149: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2150: tty_putcode(tty, TTYC_CUF1);
2151: goto out;
2152: }
2153:
2154: /* Calculate difference. */
2155: change = thisx - cx; /* +ve left, -ve right */
2156:
2157: /*
2158: * Use HPA if change is larger than absolute, otherwise move
2159: * the cursor with CUB/CUF.
2160: */
1.87 nicm 2161: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2162: tty_putcode1(tty, TTYC_HPA, cx);
2163: goto out;
1.333 nicm 2164: } else if (change > 0 &&
2165: tty_term_has(term, TTYC_CUB) &&
2166: !tty_use_margin(tty)) {
1.202 nicm 2167: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2168: tty_putcode(tty, TTYC_CUB1);
2169: tty_putcode(tty, TTYC_CUB1);
2170: goto out;
2171: }
1.42 nicm 2172: tty_putcode1(tty, TTYC_CUB, change);
2173: goto out;
1.333 nicm 2174: } else if (change < 0 &&
2175: tty_term_has(term, TTYC_CUF) &&
2176: !tty_use_margin(tty)) {
1.42 nicm 2177: tty_putcode1(tty, TTYC_CUF, -change);
2178: goto out;
2179: }
1.45 nicm 2180: } else if (cx == thisx) {
2181: /*
2182: * Moving row only, column staying the same.
2183: */
1.42 nicm 2184:
2185: /* One above. */
1.77 nicm 2186: if (thisy != tty->rupper &&
1.42 nicm 2187: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2188: tty_putcode(tty, TTYC_CUU1);
2189: goto out;
2190: }
2191:
2192: /* One below. */
1.49 nicm 2193: if (thisy != tty->rlower &&
1.42 nicm 2194: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2195: tty_putcode(tty, TTYC_CUD1);
2196: goto out;
2197: }
2198:
2199: /* Calculate difference. */
2200: change = thisy - cy; /* +ve up, -ve down */
2201:
2202: /*
1.77 nicm 2203: * Try to use VPA if change is larger than absolute or if this
2204: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2205: */
1.87 nicm 2206: if ((u_int) abs(change) > cy ||
1.42 nicm 2207: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2208: (change > 0 && cy - change < tty->rupper)) {
2209: if (tty_term_has(term, TTYC_VPA)) {
2210: tty_putcode1(tty, TTYC_VPA, cy);
2211: goto out;
2212: }
1.42 nicm 2213: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2214: tty_putcode1(tty, TTYC_CUU, change);
2215: goto out;
2216: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2217: tty_putcode1(tty, TTYC_CUD, -change);
2218: goto out;
2219: }
2220: }
2221:
1.43 nicm 2222: absolute:
1.42 nicm 2223: /* Absolute movement. */
2224: tty_putcode2(tty, TTYC_CUP, cy, cx);
2225:
2226: out:
2227: tty->cx = cx;
2228: tty->cy = cy;
1.1 nicm 2229: }
2230:
2231: void
1.176 nicm 2232: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.317 nicm 2233: struct window_pane *wp)
1.1 nicm 2234: {
1.63 nicm 2235: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2236: int changed;
1.61 nicm 2237:
1.228 nicm 2238: /* Ignore cell if it is the same as the last one. */
2239: if (wp != NULL &&
2240: (int)wp->id == tty->last_wp &&
1.326 nicm 2241: ~(wp->flags & PANE_STYLECHANGED) &&
1.228 nicm 2242: gc->attr == tty->last_cell.attr &&
2243: gc->fg == tty->last_cell.fg &&
1.328 nicm 2244: gc->bg == tty->last_cell.bg &&
2245: gc->us == tty->last_cell.us)
1.228 nicm 2246: return;
2247: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
2248: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
2249:
2250: /* Copy cell and update default colours. */
1.85 nicm 2251: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 2252: if (wp != NULL)
2253: tty_default_colours(&gc2, wp);
1.63 nicm 2254:
1.18 nicm 2255: /*
2256: * If no setab, try to use the reverse attribute as a best-effort for a
2257: * non-default background. This is a bit of a hack but it doesn't do
2258: * any serious harm and makes a couple of applications happier.
2259: */
2260: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2261: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2262: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2263: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2264: } else {
1.310 nicm 2265: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2266: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2267: }
2268: }
1.1 nicm 2269:
1.85 nicm 2270: /* Fix up the colours if necessary. */
1.219 nicm 2271: tty_check_fg(tty, wp, &gc2);
2272: tty_check_bg(tty, wp, &gc2);
1.328 nicm 2273: tty_check_us(tty, wp, &gc2);
1.85 nicm 2274:
1.328 nicm 2275: /*
2276: * If any bits are being cleared or the underline colour is now default,
2277: * reset everything.
2278: */
2279: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2280: tty_reset(tty);
2281:
2282: /*
2283: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2284: * may add to (NOT remove) the desired attributes.
1.64 nicm 2285: */
1.85 nicm 2286: tty_colours(tty, &gc2);
1.64 nicm 2287:
1.1 nicm 2288: /* Filter out attribute bits already set. */
1.85 nicm 2289: changed = gc2.attr & ~tc->attr;
2290: tc->attr = gc2.attr;
1.1 nicm 2291:
2292: /* Set the attributes. */
2293: if (changed & GRID_ATTR_BRIGHT)
2294: tty_putcode(tty, TTYC_BOLD);
2295: if (changed & GRID_ATTR_DIM)
2296: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2297: if (changed & GRID_ATTR_ITALICS)
2298: tty_set_italics(tty);
1.308 nicm 2299: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2300: if ((changed & GRID_ATTR_UNDERSCORE) ||
2301: !tty_term_has(tty->term, TTYC_SMULX))
2302: tty_putcode(tty, TTYC_SMUL);
2303: else if (changed & GRID_ATTR_UNDERSCORE_2)
2304: tty_putcode1(tty, TTYC_SMULX, 2);
2305: else if (changed & GRID_ATTR_UNDERSCORE_3)
2306: tty_putcode1(tty, TTYC_SMULX, 3);
2307: else if (changed & GRID_ATTR_UNDERSCORE_4)
2308: tty_putcode1(tty, TTYC_SMULX, 4);
2309: else if (changed & GRID_ATTR_UNDERSCORE_5)
2310: tty_putcode1(tty, TTYC_SMULX, 5);
2311: }
1.1 nicm 2312: if (changed & GRID_ATTR_BLINK)
2313: tty_putcode(tty, TTYC_BLINK);
2314: if (changed & GRID_ATTR_REVERSE) {
2315: if (tty_term_has(tty->term, TTYC_REV))
2316: tty_putcode(tty, TTYC_REV);
2317: else if (tty_term_has(tty->term, TTYC_SMSO))
2318: tty_putcode(tty, TTYC_SMSO);
2319: }
2320: if (changed & GRID_ATTR_HIDDEN)
2321: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2322: if (changed & GRID_ATTR_STRIKETHROUGH)
2323: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2324: if (changed & GRID_ATTR_OVERLINE)
2325: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2326: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2327: tty_putcode(tty, TTYC_SMACS);
2328: }
2329:
1.207 nicm 2330: static void
1.85 nicm 2331: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2332: {
1.61 nicm 2333: struct grid_cell *tc = &tty->cell;
1.204 nicm 2334: int have_ax;
1.61 nicm 2335:
2336: /* No changes? Nothing is necessary. */
1.328 nicm 2337: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2338: return;
1.1 nicm 2339:
1.61 nicm 2340: /*
2341: * Is either the default colour? This is handled specially because the
2342: * best solution might be to reset both colours to default, in which
2343: * case if only one is default need to fall onward to set the other
2344: * colour.
2345: */
1.310 nicm 2346: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2347: /*
2348: * If don't have AX but do have op, send sgr0 (op can't
2349: * actually be used because it is sometimes the same as sgr0
2350: * and sometimes isn't). This resets both colours to default.
2351: *
2352: * Otherwise, try to set the default colour only as needed.
2353: */
1.174 nicm 2354: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2355: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2356: tty_reset(tty);
2357: else {
1.310 nicm 2358: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2359: if (have_ax)
2360: tty_puts(tty, "\033[39m");
1.204 nicm 2361: else if (tc->fg != 7)
1.61 nicm 2362: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2363: tc->fg = gc->fg;
1.61 nicm 2364: }
1.310 nicm 2365: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2366: if (have_ax)
1.61 nicm 2367: tty_puts(tty, "\033[49m");
1.204 nicm 2368: else if (tc->bg != 0)
1.61 nicm 2369: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2370: tc->bg = gc->bg;
1.61 nicm 2371: }
2372: }
2373: }
1.1 nicm 2374:
1.61 nicm 2375: /* Set the foreground colour. */
1.310 nicm 2376: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2377: tty_colours_fg(tty, gc);
1.1 nicm 2378:
1.61 nicm 2379: /*
2380: * Set the background colour. This must come after the foreground as
2381: * tty_colour_fg() can call tty_reset().
2382: */
1.310 nicm 2383: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2384: tty_colours_bg(tty, gc);
1.328 nicm 2385:
2386: /* Set the underscore color. */
2387: if (gc->us != tc->us)
2388: tty_colours_us(tty, gc);
1.1 nicm 2389: }
2390:
1.219 nicm 2391: static void
1.317 nicm 2392: tty_check_fg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2393: {
1.204 nicm 2394: u_char r, g, b;
2395: u_int colours;
1.223 nicm 2396: int c;
1.85 nicm 2397:
1.288 nicm 2398: /*
2399: * Perform substitution if this pane has a palette. If the bright
2400: * attribute is set, use the bright entry in the palette by changing to
2401: * the aixterm colour.
2402: */
2403: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2404: c = gc->fg;
1.289 nicm 2405: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2406: c += 90;
2407: if ((c = window_pane_get_palette(wp, c)) != -1)
2408: gc->fg = c;
2409: }
1.219 nicm 2410:
1.199 nicm 2411: /* Is this a 24-bit colour? */
1.204 nicm 2412: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2413: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.341 nicm 2414: if ((tty->term->flags|tty->term_flags) & TERM_RGBCOLOURS)
1.200 nicm 2415: return;
1.341 nicm 2416: colour_split_rgb(gc->fg, &r, &g, &b);
2417: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2418: }
1.224 nicm 2419:
2420: /* How many colours does this terminal have? */
2421: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2422: colours = 256;
2423: else
2424: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2425:
1.85 nicm 2426: /* Is this a 256-colour colour? */
1.204 nicm 2427: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2428: /* And not a 256 colour mode? */
1.224 nicm 2429: if (colours != 256) {
1.85 nicm 2430: gc->fg = colour_256to16(gc->fg);
2431: if (gc->fg & 8) {
2432: gc->fg &= 7;
1.175 nicm 2433: if (colours >= 16)
2434: gc->fg += 90;
1.332 nicm 2435: }
1.85 nicm 2436: }
2437: return;
2438: }
2439:
2440: /* Is this an aixterm colour? */
2441: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2442: gc->fg -= 90;
2443: gc->attr |= GRID_ATTR_BRIGHT;
2444: }
2445: }
2446:
1.219 nicm 2447: static void
1.317 nicm 2448: tty_check_bg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2449: {
1.204 nicm 2450: u_char r, g, b;
2451: u_int colours;
1.223 nicm 2452: int c;
1.85 nicm 2453:
1.288 nicm 2454: /* Perform substitution if this pane has a palette. */
2455: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2456: if ((c = window_pane_get_palette(wp, gc->bg)) != -1)
2457: gc->bg = c;
2458: }
1.219 nicm 2459:
1.199 nicm 2460: /* Is this a 24-bit colour? */
1.204 nicm 2461: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2462: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.341 nicm 2463: if ((tty->term->flags|tty->term_flags) & TERM_RGBCOLOURS)
1.200 nicm 2464: return;
1.341 nicm 2465: colour_split_rgb(gc->bg, &r, &g, &b);
2466: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2467: }
1.224 nicm 2468:
2469: /* How many colours does this terminal have? */
2470: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2471: colours = 256;
2472: else
2473: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2474:
1.85 nicm 2475: /* Is this a 256-colour colour? */
1.204 nicm 2476: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2477: /*
2478: * And not a 256 colour mode? Translate to 16-colour
2479: * palette. Bold background doesn't exist portably, so just
2480: * discard the bold bit if set.
2481: */
1.224 nicm 2482: if (colours != 256) {
1.85 nicm 2483: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2484: if (gc->bg & 8) {
1.85 nicm 2485: gc->bg &= 7;
1.175 nicm 2486: if (colours >= 16)
1.322 nicm 2487: gc->bg += 90;
1.175 nicm 2488: }
1.85 nicm 2489: }
2490: return;
2491: }
2492:
2493: /* Is this an aixterm colour? */
1.175 nicm 2494: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2495: gc->bg -= 90;
2496: }
2497:
1.207 nicm 2498: static void
1.335 nicm 2499: tty_check_us(__unused struct tty *tty, struct window_pane *wp,
2500: struct grid_cell *gc)
1.328 nicm 2501: {
2502: int c;
2503:
2504: /* Perform substitution if this pane has a palette. */
2505: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2506: if ((c = window_pane_get_palette(wp, gc->us)) != -1)
2507: gc->us = c;
2508: }
2509:
2510: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2511: if (gc->us & COLOUR_FLAG_256)
2512: gc->us = colour_256toRGB (gc->us);
2513: }
2514:
2515: static void
1.85 nicm 2516: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2517: {
1.61 nicm 2518: struct grid_cell *tc = &tty->cell;
1.79 nicm 2519: char s[32];
1.1 nicm 2520:
1.204 nicm 2521: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2522: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2523: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 2524: goto save_fg;
1.199 nicm 2525: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2526: return;
1.1 nicm 2527: }
2528:
1.79 nicm 2529: /* Is this an aixterm bright colour? */
1.204 nicm 2530: if (gc->fg >= 90 && gc->fg <= 97) {
1.323 nicm 2531: if (tty->term_flags & TERM_256COLOURS) {
2532: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2533: tty_puts(tty, s);
2534: } else
2535: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.85 nicm 2536: goto save_fg;
1.79 nicm 2537: }
2538:
1.61 nicm 2539: /* Otherwise set the foreground colour. */
1.204 nicm 2540: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2541:
1.77 nicm 2542: save_fg:
1.61 nicm 2543: /* Save the new values in the terminal current cell. */
1.204 nicm 2544: tc->fg = gc->fg;
1.1 nicm 2545: }
2546:
1.207 nicm 2547: static void
1.73 nicm 2548: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2549: {
1.61 nicm 2550: struct grid_cell *tc = &tty->cell;
1.79 nicm 2551: char s[32];
1.1 nicm 2552:
1.204 nicm 2553: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2554: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2555: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 2556: goto save_bg;
1.199 nicm 2557: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2558: return;
1.79 nicm 2559: }
2560:
2561: /* Is this an aixterm bright colour? */
1.204 nicm 2562: if (gc->bg >= 90 && gc->bg <= 97) {
1.323 nicm 2563: if (tty->term_flags & TERM_256COLOURS) {
2564: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2565: tty_puts(tty, s);
2566: } else
2567: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.175 nicm 2568: goto save_bg;
1.1 nicm 2569: }
2570:
1.61 nicm 2571: /* Otherwise set the background colour. */
1.204 nicm 2572: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2573:
2574: save_bg:
2575: /* Save the new values in the terminal current cell. */
1.204 nicm 2576: tc->bg = gc->bg;
1.328 nicm 2577: }
2578:
2579: static void
2580: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2581: {
2582: struct grid_cell *tc = &tty->cell;
2583: u_int c;
2584: u_char r, g, b;
2585:
2586: /* Must be an RGB colour - this should never happen. */
2587: if (~gc->us & COLOUR_FLAG_RGB)
2588: return;
2589:
2590: /*
2591: * Setulc follows the ncurses(3) one argument "direct colour"
2592: * capability format. Calculate the colour value.
2593: */
2594: colour_split_rgb(gc->us, &r, &g, &b);
2595: c = (65536 * r) + (256 * g) + b;
2596:
2597: /* Write the colour. */
2598: tty_putcode1(tty, TTYC_SETULC, c);
2599:
2600: /* Save the new values in the terminal current cell. */
2601: tc->us = gc->us;
1.61 nicm 2602: }
2603:
1.207 nicm 2604: static int
1.204 nicm 2605: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2606: {
1.204 nicm 2607: u_char r, g, b;
1.61 nicm 2608: char s[32];
2609:
1.204 nicm 2610: if (colour & COLOUR_FLAG_256) {
2611: /*
1.300 nicm 2612: * If the user has specified -2 to the client (meaning
2613: * TERM_256COLOURS is set), setaf and setab may not work (or
2614: * they may not want to use them), so send the usual sequence.
2615: *
2616: * Also if RGB is set, setaf and setab do not support the 256
2617: * colour palette so use the sequences directly there too.
1.204 nicm 2618: */
1.300 nicm 2619: if ((tty->term_flags & TERM_256COLOURS) ||
2620: tty_term_has(tty->term, TTYC_RGB))
1.204 nicm 2621: goto fallback_256;
1.189 nicm 2622:
1.204 nicm 2623: /*
2624: * If the terminfo entry has 256 colours and setaf and setab
2625: * exist, assume that they work correctly.
2626: */
2627: if (tty->term->flags & TERM_256COLOURS) {
2628: if (*type == '3') {
2629: if (!tty_term_has(tty->term, TTYC_SETAF))
2630: goto fallback_256;
2631: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2632: } else {
2633: if (!tty_term_has(tty->term, TTYC_SETAB))
2634: goto fallback_256;
2635: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2636: }
2637: return (0);
1.188 nicm 2638: }
1.204 nicm 2639: goto fallback_256;
2640: }
2641:
2642: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2643: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.286 nicm 2644: if (*type == '3') {
2645: if (!tty_term_has(tty->term, TTYC_SETRGBF))
1.341 nicm 2646: goto fallback_rgb;
1.286 nicm 2647: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
2648: } else {
2649: if (!tty_term_has(tty->term, TTYC_SETRGBB))
1.341 nicm 2650: goto fallback_rgb;
1.286 nicm 2651: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
2652: }
1.165 nicm 2653: return (0);
2654: }
1.61 nicm 2655:
1.165 nicm 2656: return (-1);
1.188 nicm 2657:
1.204 nicm 2658: fallback_256:
2659: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.300 nicm 2660: log_debug("%s: 256 colour fallback: %s", tty->client->name, s);
1.341 nicm 2661: tty_puts(tty, s);
2662: return (0);
2663:
2664: fallback_rgb:
2665: xsnprintf(s, sizeof s, "\033[%s;2;%d;%d;%dm", type, r, g, b);
2666: log_debug("%s: RGB colour fallback: %s", tty->client->name, s);
1.188 nicm 2667: tty_puts(tty, s);
2668: return (0);
1.176 nicm 2669: }
2670:
1.207 nicm 2671: static void
1.317 nicm 2672: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2673: {
1.326 nicm 2674: struct options *oo = wp->options;
2675: struct style *style, *active_style;
2676: int c;
2677:
2678: if (wp->flags & PANE_STYLECHANGED) {
2679: wp->flags &= ~PANE_STYLECHANGED;
2680:
2681: active_style = options_get_style(oo, "window-active-style");
2682: style = options_get_style(oo, "window-style");
2683:
2684: style_copy(&wp->cached_active_style, active_style);
2685: style_copy(&wp->cached_style, style);
1.203 nicm 2686: } else {
1.326 nicm 2687: active_style = &wp->cached_active_style;
2688: style = &wp->cached_style;
1.203 nicm 2689: }
1.176 nicm 2690:
1.204 nicm 2691: if (gc->fg == 8) {
1.326 nicm 2692: if (wp == wp->window->active && active_style->gc.fg != 8)
2693: gc->fg = active_style->gc.fg;
1.204 nicm 2694: else
1.326 nicm 2695: gc->fg = style->gc.fg;
1.219 nicm 2696:
1.310 nicm 2697: if (gc->fg != 8) {
2698: c = window_pane_get_palette(wp, gc->fg);
2699: if (c != -1)
2700: gc->fg = c;
2701: }
1.176 nicm 2702: }
2703:
1.204 nicm 2704: if (gc->bg == 8) {
1.326 nicm 2705: if (wp == wp->window->active && active_style->gc.bg != 8)
2706: gc->bg = active_style->gc.bg;
1.204 nicm 2707: else
1.326 nicm 2708: gc->bg = style->gc.bg;
1.219 nicm 2709:
1.310 nicm 2710: if (gc->bg != 8) {
2711: c = window_pane_get_palette(wp, gc->bg);
2712: if (c != -1)
2713: gc->bg = c;
2714: }
1.176 nicm 2715: }
1.210 nicm 2716: }
2717:
2718: static void
1.317 nicm 2719: tty_default_attributes(struct tty *tty, struct window_pane *wp, u_int bg)
1.210 nicm 2720: {
2721: static struct grid_cell gc;
2722:
2723: memcpy(&gc, &grid_default_cell, sizeof gc);
2724: gc.bg = bg;
2725: tty_attributes(tty, &gc, wp);
1.1 nicm 2726: }
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