Annotation of src/usr.bin/tmux/tty.c, Revision 1.347
1.347 ! nicm 1: /* $OpenBSD: tty.c,v 1.346 2020/03/24 08:09:44 nicm Exp $ */
1.1 nicm 2:
3: /*
1.198 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/ioctl.h>
21:
1.106 nicm 22: #include <netinet/in.h>
23:
1.212 nicm 24: #include <curses.h>
1.1 nicm 25: #include <errno.h>
26: #include <fcntl.h>
1.106 nicm 27: #include <resolv.h>
1.42 nicm 28: #include <stdlib.h>
1.1 nicm 29: #include <string.h>
30: #include <termios.h>
31: #include <unistd.h>
32:
33: #include "tmux.h"
34:
1.207 nicm 35: static int tty_log_fd = -1;
1.192 nicm 36:
1.207 nicm 37: static int tty_client_ready(struct client *, struct window_pane *);
1.201 nicm 38:
1.207 nicm 39: static void tty_set_italics(struct tty *);
40: static int tty_try_colour(struct tty *, int, const char *);
1.208 nicm 41: static void tty_force_cursor_colour(struct tty *, const char *);
42: static void tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int,
43: u_int);
1.253 nicm 44: static void tty_cursor_pane_unless_wrap(struct tty *,
45: const struct tty_ctx *, u_int, u_int);
1.242 nicm 46: static void tty_invalidate(struct tty *);
1.207 nicm 47: static void tty_colours(struct tty *, const struct grid_cell *);
1.317 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: }
1.347 ! nicm 343: }
1.1 nicm 344:
1.340 nicm 345: evtimer_set(&tty->start_timer, tty_start_timer_callback, tty);
346: evtimer_add(&tty->start_timer, &tv);
347:
1.20 nicm 348: tty->flags |= TTY_STARTED;
1.242 nicm 349: tty_invalidate(tty);
1.107 nicm 350:
1.336 nicm 351: if (*tty->ccolour != '\0')
352: tty_force_cursor_colour(tty, "");
1.177 nicm 353:
354: tty->mouse_drag_flag = 0;
355: tty->mouse_drag_update = NULL;
356: tty->mouse_drag_release = NULL;
1.347 ! nicm 357: }
! 358:
! 359: void
! 360: tty_send_requests(struct tty *tty)
! 361: {
! 362: if (~tty->flags & TTY_STARTED)
! 363: return;
! 364:
! 365: if (tty_term_flag(tty->term, TTYC_XT)) {
! 366: if (~tty->flags & TTY_HAVEDA)
! 367: tty_puts(tty, "\033[c");
! 368: if (~tty->flags & TTY_HAVEDSR)
! 369: tty_puts(tty, "\033[1337n");
! 370: } else
! 371: tty->flags |= (TTY_HAVEDA|TTY_HAVEDSR);
1.128 nicm 372: }
373:
374: void
1.1 nicm 375: tty_stop_tty(struct tty *tty)
376: {
377: struct winsize ws;
378:
1.20 nicm 379: if (!(tty->flags & TTY_STARTED))
380: return;
381: tty->flags &= ~TTY_STARTED;
1.340 nicm 382:
383: evtimer_del(&tty->start_timer);
1.20 nicm 384:
1.266 nicm 385: event_del(&tty->timer);
386: tty->flags &= ~TTY_BLOCK;
387:
1.244 nicm 388: event_del(&tty->event_in);
389: event_del(&tty->event_out);
1.66 nicm 390:
1.1 nicm 391: /*
392: * Be flexible about error handling and try not kill the server just
393: * because the fd is invalid. Things like ssh -t can easily leave us
394: * with a dead tty.
395: */
396: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
397: return;
398: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
399: return;
400:
401: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 402: if (tty_acs_needed(tty))
1.90 nicm 403: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 404: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
405: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
406: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 407: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
408: if (tty_term_has(tty->term, TTYC_SE))
409: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 410: else
1.160 nicm 411: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 412: }
1.173 nicm 413: if (tty->mode & MODE_BRACKETPASTE)
414: tty_raw(tty, "\033[?2004l");
1.336 nicm 415: if (*tty->ccolour != '\0')
416: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 417:
418: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
1.343 nicm 419: if (tty_term_has(tty->term, TTYC_KMOUS)) {
420: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1003l");
421: tty_raw(tty, "\033[?1006l\033[?1005l");
422: }
1.151 nicm 423:
1.189 nicm 424: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 425: if (tty->flags & TTY_FOCUS) {
426: tty->flags &= ~TTY_FOCUS;
1.172 nicm 427: tty_raw(tty, "\033[?1004l");
1.162 nicm 428: }
429: }
1.10 nicm 430:
1.212 nicm 431: if (tty_use_margin(tty))
432: tty_raw(tty, "\033[?69l"); /* DECLRMM */
1.10 nicm 433: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 434:
435: setblocking(tty->fd, 1);
1.1 nicm 436: }
437:
438: void
1.20 nicm 439: tty_close(struct tty *tty)
1.1 nicm 440: {
1.123 nicm 441: if (event_initialized(&tty->key_timer))
442: evtimer_del(&tty->key_timer);
1.20 nicm 443: tty_stop_tty(tty);
1.1 nicm 444:
1.21 nicm 445: if (tty->flags & TTY_OPENED) {
1.244 nicm 446: evbuffer_free(tty->in);
447: event_del(&tty->event_in);
448: evbuffer_free(tty->out);
449: event_del(&tty->event_out);
1.66 nicm 450:
1.21 nicm 451: tty_term_free(tty->term);
452: tty_keys_free(tty);
453:
454: tty->flags &= ~TTY_OPENED;
455: }
1.1 nicm 456:
1.21 nicm 457: if (tty->fd != -1) {
458: close(tty->fd);
459: tty->fd = -1;
460: }
1.1 nicm 461: }
462:
463: void
1.20 nicm 464: tty_free(struct tty *tty)
1.1 nicm 465: {
1.20 nicm 466: tty_close(tty);
1.1 nicm 467:
1.138 nicm 468: free(tty->ccolour);
1.220 nicm 469: free(tty->term_name);
1.1 nicm 470: }
471:
472: void
1.337 nicm 473: tty_set_flags(struct tty *tty, int flags)
1.212 nicm 474: {
1.337 nicm 475: tty->term_flags |= flags;
1.212 nicm 476:
477: if (tty_use_margin(tty))
478: tty_puts(tty, "\033[?69h"); /* DECLRMM */
479: }
480:
481: void
1.1 nicm 482: tty_raw(struct tty *tty, const char *s)
483: {
1.150 nicm 484: ssize_t n, slen;
485: u_int i;
486:
487: slen = strlen(s);
488: for (i = 0; i < 5; i++) {
489: n = write(tty->fd, s, slen);
490: if (n >= 0) {
491: s += n;
492: slen -= n;
493: if (slen == 0)
494: break;
495: } else if (n == -1 && errno != EAGAIN)
496: break;
497: usleep(100);
498: }
1.1 nicm 499: }
500:
501: void
502: tty_putcode(struct tty *tty, enum tty_code_code code)
503: {
504: tty_puts(tty, tty_term_string(tty->term, code));
505: }
506:
507: void
508: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
509: {
510: if (a < 0)
511: return;
512: tty_puts(tty, tty_term_string1(tty->term, code, a));
513: }
514:
515: void
516: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
517: {
518: if (a < 0 || b < 0)
519: return;
520: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
521: }
522:
523: void
1.286 nicm 524: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
525: {
526: if (a < 0 || b < 0 || c < 0)
527: return;
528: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
529: }
530:
531: void
1.107 nicm 532: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
533: {
534: if (a != NULL)
535: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
536: }
537:
538: void
1.167 nicm 539: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
540: const void *b)
1.106 nicm 541: {
542: if (a != NULL && b != NULL)
543: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
544: }
545:
1.243 nicm 546: static void
547: tty_add(struct tty *tty, const char *buf, size_t len)
548: {
1.258 nicm 549: struct client *c = tty->client;
550:
1.266 nicm 551: if (tty->flags & TTY_BLOCK) {
552: tty->discarded += len;
553: return;
554: }
555:
1.244 nicm 556: evbuffer_add(tty->out, buf, len);
1.270 nicm 557: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 558: c->written += len;
1.243 nicm 559:
560: if (tty_log_fd != -1)
561: write(tty_log_fd, buf, len);
1.244 nicm 562: if (tty->flags & TTY_STARTED)
563: event_add(&tty->event_out, NULL);
1.243 nicm 564: }
565:
1.106 nicm 566: void
1.1 nicm 567: tty_puts(struct tty *tty, const char *s)
568: {
1.243 nicm 569: if (*s != '\0')
570: tty_add(tty, s, strlen(s));
1.1 nicm 571: }
572:
573: void
574: tty_putc(struct tty *tty, u_char ch)
575: {
1.90 nicm 576: const char *acs;
1.1 nicm 577:
1.337 nicm 578: if ((tty->term->flags & TERM_NOXENL) &&
1.325 nicm 579: ch >= 0x20 && ch != 0x7f &&
580: tty->cy == tty->sy - 1 &&
581: tty->cx + 1 >= tty->sx)
582: return;
583:
1.90 nicm 584: if (tty->cell.attr & GRID_ATTR_CHARSET) {
585: acs = tty_acs_get(tty, ch);
1.243 nicm 586: if (acs != NULL)
587: tty_add(tty, acs, strlen(acs));
588: else
589: tty_add(tty, &ch, 1);
590: } else
591: tty_add(tty, &ch, 1);
1.1 nicm 592:
593: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 594: if (tty->cx >= tty->sx) {
1.46 nicm 595: tty->cx = 1;
596: if (tty->cy != tty->rlower)
597: tty->cy++;
1.211 nicm 598:
599: /*
600: * On !xenl terminals, force the cursor position to
601: * where we think it should be after a line wrap - this
602: * means it works on sensible terminals as well.
603: */
1.337 nicm 604: if (tty->term->flags & TERM_NOXENL)
1.211 nicm 605: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 606: } else
607: tty->cx++;
608: }
609: }
610:
611: void
1.147 nicm 612: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 613: {
1.337 nicm 614: if ((tty->term->flags & TERM_NOXENL) &&
1.325 nicm 615: tty->cy == tty->sy - 1 &&
616: tty->cx + len >= tty->sx)
617: len = tty->sx - tty->cx - 1;
618:
1.243 nicm 619: tty_add(tty, buf, len);
1.268 nicm 620: if (tty->cx + width > tty->sx) {
621: tty->cx = (tty->cx + width) - tty->sx;
622: if (tty->cx <= tty->sx)
623: tty->cy++;
624: else
625: tty->cx = tty->cy = UINT_MAX;
626: } else
1.254 nicm 627: tty->cx += width;
1.5 nicm 628: }
629:
1.207 nicm 630: static void
1.180 nicm 631: tty_set_italics(struct tty *tty)
632: {
633: const char *s;
634:
635: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 636: s = options_get_string(global_options, "default-terminal");
1.180 nicm 637: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
638: tty_putcode(tty, TTYC_SITM);
639: return;
640: }
641: }
642: tty_putcode(tty, TTYC_SMSO);
643: }
644:
645: void
1.1 nicm 646: tty_set_title(struct tty *tty, const char *title)
647: {
1.105 nicm 648: if (!tty_term_has(tty->term, TTYC_TSL) ||
649: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 650: return;
651:
1.105 nicm 652: tty_putcode(tty, TTYC_TSL);
1.1 nicm 653: tty_puts(tty, title);
1.105 nicm 654: tty_putcode(tty, TTYC_FSL);
1.1 nicm 655: }
656:
1.208 nicm 657: static void
1.107 nicm 658: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
659: {
660: if (*ccolour == '\0')
661: tty_putcode(tty, TTYC_CR);
662: else
1.160 nicm 663: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 664: free(tty->ccolour);
1.107 nicm 665: tty->ccolour = xstrdup(ccolour);
666: }
667:
668: void
669: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 670: {
1.344 nicm 671: struct client *c = tty->client;
672: int changed;
1.1 nicm 673:
1.197 nicm 674: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 675: tty_force_cursor_colour(tty, s->ccolour);
676:
1.1 nicm 677: if (tty->flags & TTY_NOCURSOR)
678: mode &= ~MODE_CURSOR;
679:
680: changed = mode ^ tty->mode;
1.344 nicm 681: log_debug("%s: update mode %x to %x", c->name, tty->mode, mode);
682:
1.183 nicm 683: if (changed & MODE_BLINKING) {
684: if (tty_term_has(tty->term, TTYC_CVVIS))
685: tty_putcode(tty, TTYC_CVVIS);
686: else
687: tty_putcode(tty, TTYC_CNORM);
688: changed |= MODE_CURSOR;
689: }
690: if (changed & MODE_CURSOR) {
691: if (mode & MODE_CURSOR)
692: tty_putcode(tty, TTYC_CNORM);
693: else
1.1 nicm 694: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 695: }
1.181 nicm 696: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 697: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 698: if (s->cstyle == 0 &&
1.160 nicm 699: tty_term_has(tty->term, TTYC_SE))
700: tty_putcode(tty, TTYC_SE);
1.108 nicm 701: else
1.160 nicm 702: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 703: }
704: tty->cstyle = s->cstyle;
1.1 nicm 705: }
1.344 nicm 706: if ((changed & ALL_MOUSE_MODES) &&
707: tty_term_has(tty->term, TTYC_KMOUS)) {
708: if ((mode & ALL_MOUSE_MODES) == 0)
709: tty_puts(tty, "\033[?1006l");
710: if ((changed & MODE_MOUSE_STANDARD) &&
711: (~mode & MODE_MOUSE_STANDARD))
712: tty_puts(tty, "\033[?1000l");
713: if ((changed & MODE_MOUSE_BUTTON) &&
714: (~mode & MODE_MOUSE_BUTTON))
715: tty_puts(tty, "\033[?1002l");
716: if ((changed & MODE_MOUSE_ALL) &&
717: (~mode & MODE_MOUSE_ALL))
718: tty_puts(tty, "\033[?1003l");
719:
720: if (mode & ALL_MOUSE_MODES)
1.153 nicm 721: tty_puts(tty, "\033[?1006h");
1.344 nicm 722: if ((changed & MODE_MOUSE_STANDARD) &&
723: (mode & MODE_MOUSE_STANDARD))
724: tty_puts(tty, "\033[?1000h");
725: if ((changed & MODE_MOUSE_BUTTON) &&
726: (mode & MODE_MOUSE_BUTTON))
727: tty_puts(tty, "\033[?1002h");
728: if ((changed & MODE_MOUSE_ALL) &&
729: (mode & MODE_MOUSE_ALL))
730: tty_puts(tty, "\033[?1003h");
1.115 nicm 731: }
732: if (changed & MODE_BRACKETPASTE) {
733: if (mode & MODE_BRACKETPASTE)
734: tty_puts(tty, "\033[?2004h");
735: else
736: tty_puts(tty, "\033[?2004l");
1.1 nicm 737: }
738: tty->mode = mode;
739: }
740:
1.207 nicm 741: static void
1.168 nicm 742: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
743: enum tty_code_code code1, u_int n)
1.1 nicm 744: {
745: if (tty_term_has(tty->term, code))
746: tty_putcode1(tty, code, n);
747: else {
748: while (n-- > 0)
749: tty_putcode(tty, code1);
750: }
751: }
752:
1.207 nicm 753: static void
1.133 nicm 754: tty_repeat_space(struct tty *tty, u_int n)
755: {
1.257 nicm 756: static char s[500];
757:
758: if (*s != ' ')
759: memset(s, ' ', sizeof s);
760:
761: while (n > sizeof s) {
762: tty_putn(tty, s, sizeof s, sizeof s);
763: n -= sizeof s;
764: }
765: if (n != 0)
766: tty_putn(tty, s, n, n);
1.304 nicm 767: }
768:
1.309 nicm 769: /* Is this window bigger than the terminal? */
770: int
771: tty_window_bigger(struct tty *tty)
772: {
773: struct client *c = tty->client;
774: struct window *w = c->session->curw->window;
775:
776: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
777: }
778:
779: /* What offset should this window be drawn at? */
780: int
781: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
782: {
783: *ox = tty->oox;
784: *oy = tty->ooy;
785: *sx = tty->osx;
786: *sy = tty->osy;
787:
788: return (tty->oflag);
789: }
790:
791: /* What offset should this window be drawn at? */
792: static int
793: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
794: {
795: struct client *c = tty->client;
796: struct window *w = c->session->curw->window;
797: struct window_pane *wp = w->active;
798: u_int cx, cy, lines;
799:
800: lines = status_line_size(c);
801:
802: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
803: *ox = 0;
804: *oy = 0;
805: *sx = w->sx;
806: *sy = w->sy;
807:
808: c->pan_window = NULL;
809: return (0);
810: }
811:
812: *sx = tty->sx;
813: *sy = tty->sy - lines;
814:
815: if (c->pan_window == w) {
816: if (*sx >= w->sx)
817: c->pan_ox = 0;
818: else if (c->pan_ox + *sx > w->sx)
819: c->pan_ox = w->sx - *sx;
820: *ox = c->pan_ox;
821: if (*sy >= w->sy)
822: c->pan_oy = 0;
823: else if (c->pan_oy + *sy > w->sy)
824: c->pan_oy = w->sy - *sy;
825: *oy = c->pan_oy;
826: return (1);
827: }
828:
829: if (~wp->screen->mode & MODE_CURSOR) {
830: *ox = 0;
831: *oy = 0;
832: } else {
833: cx = wp->xoff + wp->screen->cx;
834: cy = wp->yoff + wp->screen->cy;
835:
836: if (cx < *sx)
837: *ox = 0;
838: else if (cx > w->sx - *sx)
839: *ox = w->sx - *sx;
840: else
841: *ox = cx - *sx / 2;
842:
843: if (cy < *sy)
844: *oy = 0;
845: else if (cy > w->sy - *sy)
846: *oy = w->sy - *sy;
847: else
848: *oy = cy - *sy / 2;
849: }
850:
851: c->pan_window = NULL;
852: return (1);
853: }
854:
855: /* Update stored offsets for a window and redraw if necessary. */
856: void
857: tty_update_window_offset(struct window *w)
858: {
859: struct client *c;
860:
861: TAILQ_FOREACH(c, &clients, entry) {
862: if (c->session != NULL && c->session->curw->window == w)
863: tty_update_client_offset(c);
864: }
865: }
866:
867: /* Update stored offsets for a client and redraw if necessary. */
868: void
869: tty_update_client_offset(struct client *c)
1.304 nicm 870: {
1.309 nicm 871: u_int ox, oy, sx, sy;
1.314 nicm 872:
873: if (~c->flags & CLIENT_TERMINAL)
874: return;
1.304 nicm 875:
1.309 nicm 876: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
877: if (ox == c->tty.oox &&
878: oy == c->tty.ooy &&
879: sx == c->tty.osx &&
880: sy == c->tty.osy)
881: return;
882:
883: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
884: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
885: ox, oy, sx, sy);
886:
887: c->tty.oox = ox;
888: c->tty.ooy = oy;
889: c->tty.osx = sx;
890: c->tty.osy = sy;
891:
892: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 893: }
894:
1.1 nicm 895: /*
1.119 nicm 896: * Is the region large enough to be worth redrawing once later rather than
897: * probably several times now? Currently yes if it is more than 50% of the
898: * pane.
899: */
1.207 nicm 900: static int
1.194 nicm 901: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 902: {
903: struct window_pane *wp = ctx->wp;
904:
905: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
906: }
907:
908: /*
1.176 nicm 909: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
910: * emulated.
911: */
1.207 nicm 912: static int
1.317 nicm 913: tty_fake_bce(const struct tty *tty, struct window_pane *wp, u_int bg)
1.176 nicm 914: {
915: struct grid_cell gc;
916:
1.210 nicm 917: if (tty_term_flag(tty->term, TTYC_BCE))
918: return (0);
919:
1.176 nicm 920: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 921: if (wp != NULL)
922: tty_default_colours(&gc, wp);
1.176 nicm 923:
1.310 nicm 924: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc.bg))
1.210 nicm 925: return (1);
926: return (0);
1.176 nicm 927: }
928:
929: /*
1.1 nicm 930: * Redraw scroll region using data from screen (already updated). Used when
931: * CSR not supported, or window is a pane that doesn't take up the full
932: * width of the terminal.
933: */
1.207 nicm 934: static void
1.24 nicm 935: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 936: {
1.14 nicm 937: struct window_pane *wp = ctx->wp;
938: struct screen *s = wp->screen;
1.204 nicm 939: u_int i;
1.1 nicm 940:
941: /*
1.119 nicm 942: * If region is large, schedule a window redraw. In most cases this is
943: * likely to be followed by some more scrolling.
1.1 nicm 944: */
1.119 nicm 945: if (tty_large_region(tty, ctx)) {
1.1 nicm 946: wp->flags |= PANE_REDRAW;
947: return;
948: }
949:
1.14 nicm 950: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
951: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.309 nicm 952: tty_draw_pane(tty, ctx, i);
1.1 nicm 953: } else {
1.14 nicm 954: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.309 nicm 955: tty_draw_pane(tty, ctx, i);
1.1 nicm 956: }
957: }
958:
1.309 nicm 959: /* Is this position visible in the pane? */
960: static int
961: tty_is_visible(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
962: u_int nx, u_int ny)
963: {
964: u_int xoff = ctx->xoff + px, yoff = ctx->yoff + py, lines;
965:
966: if (!ctx->bigger)
967: return (1);
968:
969: if (status_at_line(tty->client) == 0)
970: lines = status_line_size(tty->client);
971: else
972: lines = 0;
973:
974: if (xoff + nx <= ctx->ox || xoff >= ctx->ox + ctx->sx ||
1.320 nicm 975: yoff + ny <= ctx->oy || yoff >= lines + ctx->oy + ctx->sy)
1.309 nicm 976: return (0);
977: return (1);
978: }
979:
980: /* Clamp line position to visible part of pane. */
981: static int
982: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
983: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
984: {
985: struct window_pane *wp = ctx->wp;
986: u_int xoff = wp->xoff + px;
987:
988: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
989: return (0);
990: *ry = ctx->yoff + py - ctx->oy;
991:
992: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
993: /* All visible. */
994: *i = 0;
995: *x = ctx->xoff + px - ctx->ox;
996: *rx = nx;
997: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
998: /* Both left and right not visible. */
999: *i = ctx->ox;
1000: *x = 0;
1001: *rx = ctx->sx;
1002: } else if (xoff < ctx->ox) {
1003: /* Left not visible. */
1004: *i = ctx->ox - (ctx->xoff + px);
1005: *x = 0;
1006: *rx = nx - *i;
1007: } else {
1008: /* Right not visible. */
1009: *i = 0;
1010: *x = (ctx->xoff + px) - ctx->ox;
1011: *rx = ctx->sx - *x;
1012: }
1013: if (*rx > nx)
1014: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1015:
1016: return (1);
1017: }
1018:
1019: /* Clear a line. */
1.271 nicm 1020: static void
1.317 nicm 1021: tty_clear_line(struct tty *tty, struct window_pane *wp, u_int py, u_int px,
1022: u_int nx, u_int bg)
1.271 nicm 1023: {
1.309 nicm 1024: struct client *c = tty->client;
1025:
1026: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1027:
1028: /* Nothing to clear. */
1029: if (nx == 0)
1030: return;
1031:
1032: /* If genuine BCE is available, can try escape sequences. */
1033: if (!tty_fake_bce(tty, wp, bg)) {
1034: /* Off the end of the line, use EL if available. */
1035: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1036: tty_cursor(tty, px, py);
1037: tty_putcode(tty, TTYC_EL);
1038: return;
1039: }
1040:
1041: /* At the start of the line. Use EL1. */
1042: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1043: tty_cursor(tty, px + nx - 1, py);
1044: tty_putcode(tty, TTYC_EL1);
1045: return;
1046: }
1047:
1048: /* Section of line. Use ECH if possible. */
1049: if (tty_term_has(tty->term, TTYC_ECH)) {
1050: tty_cursor(tty, px, py);
1051: tty_putcode1(tty, TTYC_ECH, nx);
1052: return;
1053: }
1054: }
1055:
1056: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 1057: tty_cursor(tty, px, py);
1.271 nicm 1058: tty_repeat_space(tty, nx);
1059: }
1060:
1.309 nicm 1061: /* Clear a line, adjusting to visible part of pane. */
1062: static void
1063: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1064: u_int px, u_int nx, u_int bg)
1065: {
1066: struct client *c = tty->client;
1067: u_int i, x, rx, ry;
1068:
1069: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1070:
1071: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1072: tty_clear_line(tty, ctx->wp, ry, x, rx, bg);
1073: }
1074:
1075: /* Clamp area position to visible part of pane. */
1076: static int
1077: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1078: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1079: u_int *ry)
1080: {
1081: struct window_pane *wp = ctx->wp;
1082: u_int xoff = wp->xoff + px, yoff = wp->yoff + py;
1083:
1084: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1085: return (0);
1086:
1087: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
1088: /* All visible. */
1089: *i = 0;
1090: *x = ctx->xoff + px - ctx->ox;
1091: *rx = nx;
1092: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
1093: /* Both left and right not visible. */
1094: *i = ctx->ox;
1095: *x = 0;
1096: *rx = ctx->sx;
1097: } else if (xoff < ctx->ox) {
1098: /* Left not visible. */
1099: *i = ctx->ox - (ctx->xoff + px);
1100: *x = 0;
1101: *rx = nx - *i;
1102: } else {
1103: /* Right not visible. */
1104: *i = 0;
1105: *x = (ctx->xoff + px) - ctx->ox;
1106: *rx = ctx->sx - *x;
1107: }
1108: if (*rx > nx)
1109: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1110:
1111: if (yoff >= ctx->oy && yoff + ny <= ctx->oy + ctx->sy) {
1112: /* All visible. */
1113: *j = 0;
1114: *y = ctx->yoff + py - ctx->oy;
1115: *ry = ny;
1116: } else if (yoff < ctx->oy && yoff + ny > ctx->oy + ctx->sy) {
1.327 nicm 1117: /* Both top and bottom not visible. */
1.309 nicm 1118: *j = ctx->oy;
1119: *y = 0;
1120: *ry = ctx->sy;
1121: } else if (yoff < ctx->oy) {
1.327 nicm 1122: /* Top not visible. */
1.309 nicm 1123: *j = ctx->oy - (ctx->yoff + py);
1124: *y = 0;
1125: *ry = ny - *j;
1126: } else {
1.327 nicm 1127: /* Bottom not visible. */
1.309 nicm 1128: *j = 0;
1129: *y = (ctx->yoff + py) - ctx->oy;
1130: *ry = ctx->sy - *y;
1131: }
1132: if (*ry > ny)
1133: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1134:
1135: return (1);
1136: }
1137:
1138: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1139: static void
1.317 nicm 1140: tty_clear_area(struct tty *tty, struct window_pane *wp, u_int py, u_int ny,
1141: u_int px, u_int nx, u_int bg)
1.271 nicm 1142: {
1.309 nicm 1143: struct client *c = tty->client;
1144: u_int yy;
1145: char tmp[64];
1.271 nicm 1146:
1.309 nicm 1147: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1148:
1149: /* Nothing to clear. */
1150: if (nx == 0 || ny == 0)
1151: return;
1152:
1153: /* If genuine BCE is available, can try escape sequences. */
1154: if (!tty_fake_bce(tty, wp, bg)) {
1.276 nicm 1155: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1156: if (px == 0 &&
1157: px + nx >= tty->sx &&
1158: py + ny >= tty->sy &&
1159: tty_term_has(tty->term, TTYC_ED)) {
1160: tty_cursor(tty, 0, py);
1161: tty_putcode(tty, TTYC_ED);
1.274 nicm 1162: return;
1163: }
1164:
1165: /*
1.276 nicm 1166: * On VT420 compatible terminals we can use DECFRA if the
1167: * background colour isn't default (because it doesn't work
1168: * after SGR 0).
1.274 nicm 1169: */
1.337 nicm 1170: if (((tty->term->flags|tty->term_flags) & TERM_DECFRA) &&
1171: !COLOUR_DEFAULT(bg)) {
1.274 nicm 1172: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1173: py + 1, px + 1, py + ny, px + nx);
1174: tty_puts(tty, tmp);
1.276 nicm 1175: return;
1176: }
1177:
1.280 nicm 1178: /* Full lines can be scrolled away to clear them. */
1179: if (px == 0 &&
1.281 nicm 1180: px + nx >= tty->sx &&
1.280 nicm 1181: ny > 2 &&
1182: tty_term_has(tty->term, TTYC_CSR) &&
1183: tty_term_has(tty->term, TTYC_INDN)) {
1184: tty_region(tty, py, py + ny - 1);
1185: tty_margin_off(tty);
1.284 nicm 1186: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1187: return;
1188: }
1189:
1.276 nicm 1190: /*
1191: * If margins are supported, can just scroll the area off to
1192: * clear it.
1193: */
1.277 nicm 1194: if (nx > 2 &&
1195: ny > 2 &&
1.280 nicm 1196: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1197: tty_use_margin(tty) &&
1198: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1199: tty_region(tty, py, py + ny - 1);
1200: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1201: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1202: return;
1203: }
1204: }
1205:
1206: /* Couldn't use an escape sequence, loop over the lines. */
1207: for (yy = py; yy < py + ny; yy++)
1208: tty_clear_line(tty, wp, yy, px, nx, bg);
1209: }
1210:
1.309 nicm 1211: /* Clear an area in a pane. */
1212: static void
1213: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1214: u_int ny, u_int px, u_int nx, u_int bg)
1215: {
1216: u_int i, j, x, y, rx, ry;
1217:
1218: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1219: tty_clear_area(tty, ctx->wp, y, ry, x, rx, bg);
1220: }
1221:
1222: static void
1223: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1224: {
1.309 nicm 1225: struct window_pane *wp = ctx->wp;
1226: struct screen *s = wp->screen;
1227: u_int nx = screen_size_x(s), i, x, rx, ry;
1228:
1229: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1230:
1231: if (!ctx->bigger) {
1232: tty_draw_line(tty, wp, s, 0, py, nx, ctx->xoff, ctx->yoff + py);
1233: return;
1234: }
1235: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry))
1236: tty_draw_line(tty, wp, s, i, py, rx, x, ry);
1.176 nicm 1237: }
1238:
1.298 nicm 1239: static const struct grid_cell *
1240: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1241: {
1242: static struct grid_cell new;
1243: u_int n;
1244:
1245: /* Characters less than 0x7f are always fine, no matter what. */
1246: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1247: return (gc);
1248:
1249: /* UTF-8 terminal and a UTF-8 character - fine. */
1250: if (tty->flags & TTY_UTF8)
1251: return (gc);
1252:
1253: /* Replace by the right number of underscores. */
1254: n = gc->data.width;
1255: if (n > UTF8_SIZE)
1256: n = UTF8_SIZE;
1257: memcpy(&new, gc, sizeof new);
1258: new.data.size = n;
1259: memset(new.data.data, '_', n);
1260: return (&new);
1261: }
1262:
1.346 nicm 1263: static int
1264: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1265: {
1266: struct client *c = tty->client;
1267:
1268: if (c->overlay_check == NULL)
1269: return (1);
1270: return (c->overlay_check(c, px, py));
1271: }
1272:
1.176 nicm 1273: void
1.317 nicm 1274: tty_draw_line(struct tty *tty, struct window_pane *wp, struct screen *s,
1275: u_int px, u_int py, u_int nx, u_int atx, u_int aty)
1.1 nicm 1276: {
1.297 nicm 1277: struct grid *gd = s->grid;
1.250 nicm 1278: struct grid_cell gc, last;
1.298 nicm 1279: const struct grid_cell *gcp;
1.309 nicm 1280: struct grid_line *gl;
1281: u_int i, j, ux, sx, width;
1.329 nicm 1282: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1283: char buf[512];
1.315 nicm 1284: size_t len;
1.303 nicm 1285: u_int cellsize;
1.1 nicm 1286:
1.309 nicm 1287: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1288: px, py, nx, atx, aty);
1289:
1290: /*
1291: * py is the line in the screen to draw.
1292: * px is the start x and nx is the width to draw.
1293: * atx,aty is the line on the terminal to draw it.
1294: */
1295:
1.259 nicm 1296: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1297: tty->flags |= TTY_NOCURSOR;
1298: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1299:
1.214 nicm 1300: tty_region_off(tty);
1301: tty_margin_off(tty);
1302:
1.273 nicm 1303: /*
1304: * Clamp the width to cellsize - note this is not cellused, because
1305: * there may be empty background cells after it (from BCE).
1306: */
1.1 nicm 1307: sx = screen_size_x(s);
1.309 nicm 1308: if (nx > sx)
1309: nx = sx;
1.303 nicm 1310: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1311: if (sx > cellsize)
1312: sx = cellsize;
1.1 nicm 1313: if (sx > tty->sx)
1314: sx = tty->sx;
1.309 nicm 1315: if (sx > nx)
1316: sx = nx;
1.292 nicm 1317: ux = 0;
1.1 nicm 1318:
1.309 nicm 1319: if (py == 0)
1320: gl = NULL;
1321: else
1322: gl = grid_get_line(gd, gd->hsize + py - 1);
1.268 nicm 1323: if (wp == NULL ||
1.309 nicm 1324: gl == NULL ||
1325: (~gl->flags & GRID_LINE_WRAPPED) ||
1326: atx != 0 ||
1.268 nicm 1327: tty->cx < tty->sx ||
1.309 nicm 1328: nx < tty->sx) {
1329: if (nx < tty->sx &&
1330: atx == 0 &&
1331: px + sx != nx &&
1.268 nicm 1332: tty_term_has(tty->term, TTYC_EL1) &&
1333: !tty_fake_bce(tty, wp, 8)) {
1334: tty_default_attributes(tty, wp, 8);
1.309 nicm 1335: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1336: tty_putcode(tty, TTYC_EL1);
1337: cleared = 1;
1338: }
1.329 nicm 1339: } else {
1.309 nicm 1340: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1341: wrapped = 1;
1342: }
1.250 nicm 1343:
1344: memcpy(&last, &grid_default_cell, sizeof last);
1345: len = 0;
1346: width = 0;
1.46 nicm 1347:
1.1 nicm 1348: for (i = 0; i < sx; i++) {
1.309 nicm 1349: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1350: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1351: if (len != 0 &&
1.346 nicm 1352: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1353: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1354: gcp->flags != last.flags ||
1355: gcp->attr != last.attr ||
1356: gcp->fg != last.fg ||
1357: gcp->bg != last.bg ||
1.328 nicm 1358: gcp->us != last.us ||
1.315 nicm 1359: ux + width + gcp->data.width > nx ||
1.298 nicm 1360: (sizeof buf) - len < gcp->data.size)) {
1.316 nicm 1361: tty_attributes(tty, &last, wp);
1.315 nicm 1362: if (last.flags & GRID_FLAG_CLEARED) {
1363: log_debug("%s: %zu cleared", __func__, len);
1364: tty_clear_line(tty, wp, aty, atx + ux, width,
1365: last.bg);
1366: } else {
1.329 nicm 1367: if (!wrapped || atx != 0 || ux != 0)
1368: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1369: tty_putn(tty, buf, len, width);
1370: }
1.292 nicm 1371: ux += width;
1.250 nicm 1372:
1373: len = 0;
1374: width = 0;
1.329 nicm 1375: wrapped = 0;
1.250 nicm 1376: }
1377:
1.298 nicm 1378: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1379: screen_select_cell(s, &last, gcp);
1.250 nicm 1380: else
1.299 nicm 1381: memcpy(&last, gcp, sizeof last);
1.346 nicm 1382: if (!tty_check_overlay(tty, atx + ux, aty))
1383: ux += gcp->data.width;
1384: else if (ux + gcp->data.width > nx) {
1.299 nicm 1385: tty_attributes(tty, &last, wp);
1.315 nicm 1386: tty_cursor(tty, atx + ux, aty);
1.298 nicm 1387: for (j = 0; j < gcp->data.width; j++) {
1.309 nicm 1388: if (ux + j > nx)
1.297 nicm 1389: break;
1390: tty_putc(tty, ' ');
1391: ux++;
1392: }
1.299 nicm 1393: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1394: tty_attributes(tty, &last, wp);
1.315 nicm 1395: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1396: for (j = 0; j < gcp->data.size; j++)
1397: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1398: ux += gcp->data.width;
1.299 nicm 1399: } else {
1.298 nicm 1400: memcpy(buf + len, gcp->data.data, gcp->data.size);
1401: len += gcp->data.size;
1402: width += gcp->data.width;
1.250 nicm 1403: }
1404: }
1.315 nicm 1405: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.316 nicm 1406: tty_attributes(tty, &last, wp);
1.315 nicm 1407: if (last.flags & GRID_FLAG_CLEARED) {
1408: log_debug("%s: %zu cleared (end)", __func__, len);
1409: tty_clear_line(tty, wp, aty, atx + ux, width, last.bg);
1410: } else {
1.329 nicm 1411: if (!wrapped || atx != 0 || ux != 0)
1412: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1413: tty_putn(tty, buf, len, width);
1414: }
1.315 nicm 1415: ux += width;
1.1 nicm 1416: }
1417:
1.309 nicm 1418: if (!cleared && ux < nx) {
1.315 nicm 1419: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1420: nx - ux, len);
1.210 nicm 1421: tty_default_attributes(tty, wp, 8);
1.309 nicm 1422: tty_clear_line(tty, wp, aty, atx + ux, nx - ux, 8);
1.35 nicm 1423: }
1.1 nicm 1424:
1.181 nicm 1425: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1426: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1427: }
1428:
1.201 nicm 1429: static int
1.182 nicm 1430: tty_client_ready(struct client *c, struct window_pane *wp)
1431: {
1432: if (c->session == NULL || c->tty.term == NULL)
1433: return (0);
1.305 nicm 1434: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1435: return (0);
1436: if (c->tty.flags & TTY_FREEZE)
1437: return (0);
1438: if (c->session->curw->window != wp->window)
1439: return (0);
1.309 nicm 1440: if (wp->layout_cell == NULL)
1441: return (0);
1.182 nicm 1442: return (1);
1443: }
1444:
1.15 nicm 1445: void
1.182 nicm 1446: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1447: struct tty_ctx *ctx)
1.15 nicm 1448: {
1449: struct window_pane *wp = ctx->wp;
1450: struct client *c;
1451:
1452: if (wp == NULL)
1453: return;
1.309 nicm 1454: if (wp->flags & (PANE_REDRAW|PANE_DROP))
1.15 nicm 1455: return;
1456:
1.178 nicm 1457: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 1458: if (!tty_client_ready(c, wp))
1.15 nicm 1459: continue;
1460:
1.309 nicm 1461: ctx->bigger = tty_window_offset(&c->tty, &ctx->ox, &ctx->oy,
1462: &ctx->sx, &ctx->sy);
1463:
1.139 nicm 1464: ctx->xoff = wp->xoff;
1465: ctx->yoff = wp->yoff;
1.309 nicm 1466:
1.139 nicm 1467: if (status_at_line(c) == 0)
1.309 nicm 1468: ctx->yoff += status_line_size(c);
1.113 nicm 1469:
1.139 nicm 1470: cmdfn(&c->tty, ctx);
1.1 nicm 1471: }
1472: }
1473:
1474: void
1.24 nicm 1475: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1476: {
1.77 nicm 1477: struct window_pane *wp = ctx->wp;
1.1 nicm 1478:
1.309 nicm 1479: if (ctx->bigger ||
1480: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1481: tty_fake_bce(tty, wp, ctx->bg) ||
1482: (!tty_term_has(tty->term, TTYC_ICH) &&
1483: !tty_term_has(tty->term, TTYC_ICH1))) {
1.309 nicm 1484: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1485: return;
1486: }
1487:
1.210 nicm 1488: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1489:
1.77 nicm 1490: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1491:
1.206 nicm 1492: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1493: }
1494:
1495: void
1.24 nicm 1496: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1497: {
1.77 nicm 1498: struct window_pane *wp = ctx->wp;
1.1 nicm 1499:
1.309 nicm 1500: if (ctx->bigger ||
1501: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1502: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 1503: (!tty_term_has(tty->term, TTYC_DCH) &&
1504: !tty_term_has(tty->term, TTYC_DCH1))) {
1.309 nicm 1505: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1506: return;
1507: }
1508:
1.210 nicm 1509: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1510:
1.77 nicm 1511: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1512:
1.206 nicm 1513: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1514: }
1515:
1516: void
1517: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1518: {
1.309 nicm 1519: if (ctx->bigger) {
1520: tty_draw_pane(tty, ctx, ctx->ocy);
1521: return;
1522: }
1523:
1.275 nicm 1524: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.146 nicm 1525:
1526: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1527:
1.210 nicm 1528: if (tty_term_has(tty->term, TTYC_ECH) &&
1.262 nicm 1529: !tty_fake_bce(tty, ctx->wp, 8))
1.146 nicm 1530: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1531: else
1532: tty_repeat_space(tty, ctx->num);
1.1 nicm 1533: }
1534:
1535: void
1.24 nicm 1536: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1537: {
1.309 nicm 1538: if (ctx->bigger ||
1539: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1540: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 1541: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1542: !tty_term_has(tty->term, TTYC_IL1) ||
1543: ctx->wp->sx == 1 ||
1544: ctx->wp->sy == 1) {
1.14 nicm 1545: tty_redraw_region(tty, ctx);
1.1 nicm 1546: return;
1547: }
1548:
1.210 nicm 1549: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1550:
1.77 nicm 1551: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1552: tty_margin_off(tty);
1.77 nicm 1553: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1554:
1.12 nicm 1555: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1556: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1557: }
1558:
1559: void
1.24 nicm 1560: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1561: {
1.309 nicm 1562: if (ctx->bigger ||
1563: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1564: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 1565: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1566: !tty_term_has(tty->term, TTYC_DL1) ||
1567: ctx->wp->sx == 1 ||
1568: ctx->wp->sy == 1) {
1.14 nicm 1569: tty_redraw_region(tty, ctx);
1.1 nicm 1570: return;
1571: }
1572:
1.210 nicm 1573: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1574:
1.77 nicm 1575: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1576: tty_margin_off(tty);
1.77 nicm 1577: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1578:
1.12 nicm 1579: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1580: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1581: }
1582:
1583: void
1.24 nicm 1584: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1585: {
1.77 nicm 1586: struct window_pane *wp = ctx->wp;
1.309 nicm 1587: u_int nx;
1.1 nicm 1588:
1.210 nicm 1589: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1590:
1.271 nicm 1591: nx = screen_size_x(wp->screen);
1.309 nicm 1592: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, nx, ctx->bg);
1.1 nicm 1593: }
1594:
1595: void
1.24 nicm 1596: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1597: {
1.77 nicm 1598: struct window_pane *wp = ctx->wp;
1.309 nicm 1599: u_int nx;
1.1 nicm 1600:
1.210 nicm 1601: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1602:
1.271 nicm 1603: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1604: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1605: }
1606:
1607: void
1.24 nicm 1608: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1609: {
1.210 nicm 1610: struct window_pane *wp = ctx->wp;
1611:
1612: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1613:
1.309 nicm 1614: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1615: }
1616:
1617: void
1.24 nicm 1618: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1619: {
1.278 nicm 1620: struct window_pane *wp = ctx->wp;
1621:
1.56 nicm 1622: if (ctx->ocy != ctx->orupper)
1623: return;
1624:
1.309 nicm 1625: if (ctx->bigger ||
1.331 nicm 1626: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.278 nicm 1627: tty_fake_bce(tty, wp, 8) ||
1.70 nicm 1628: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1629: (!tty_term_has(tty->term, TTYC_RI) &&
1630: !tty_term_has(tty->term, TTYC_RIN)) ||
1.307 nicm 1631: ctx->wp->sx == 1 ||
1632: ctx->wp->sy == 1) {
1.14 nicm 1633: tty_redraw_region(tty, ctx);
1.1 nicm 1634: return;
1635: }
1636:
1.278 nicm 1637: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1638:
1.56 nicm 1639: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1640: tty_margin_pane(tty, ctx);
1.56 nicm 1641: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1642:
1.331 nicm 1643: if (tty_term_has(tty->term, TTYC_RI))
1644: tty_putcode(tty, TTYC_RI);
1645: else
1646: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1647: }
1648:
1649: void
1.24 nicm 1650: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1651: {
1.77 nicm 1652: struct window_pane *wp = ctx->wp;
1.1 nicm 1653:
1.56 nicm 1654: if (ctx->ocy != ctx->orlower)
1655: return;
1656:
1.309 nicm 1657: if (ctx->bigger ||
1658: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1659: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1660: !tty_term_has(tty->term, TTYC_CSR) ||
1661: wp->sx == 1 ||
1662: wp->sy == 1) {
1.236 nicm 1663: tty_redraw_region(tty, ctx);
1.1 nicm 1664: return;
1665: }
1.52 nicm 1666:
1.278 nicm 1667: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1668:
1.56 nicm 1669: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1670: tty_margin_pane(tty, ctx);
1671:
1672: /*
1.301 nicm 1673: * If we want to wrap a pane while using margins, the cursor needs to
1674: * be exactly on the right of the region. If the cursor is entirely off
1675: * the edge - move it back to the right. Some terminals are funny about
1676: * this and insert extra spaces, so only use the right if margins are
1677: * enabled.
1.212 nicm 1678: */
1.301 nicm 1679: if (ctx->xoff + ctx->ocx > tty->rright) {
1680: if (!tty_use_margin(tty))
1681: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1682: else
1683: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1684: } else
1.212 nicm 1685: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1686:
1.56 nicm 1687: tty_putc(tty, '\n');
1.240 nicm 1688: }
1689:
1690: void
1691: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1692: {
1693: struct window_pane *wp = ctx->wp;
1.284 nicm 1694: u_int i;
1.240 nicm 1695:
1.309 nicm 1696: if (ctx->bigger ||
1697: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1698: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1699: !tty_term_has(tty->term, TTYC_CSR) ||
1700: wp->sx == 1 ||
1701: wp->sy == 1) {
1.240 nicm 1702: tty_redraw_region(tty, ctx);
1703: return;
1704: }
1705:
1.278 nicm 1706: tty_default_attributes(tty, wp, ctx->bg);
1.240 nicm 1707:
1708: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1709: tty_margin_pane(tty, ctx);
1710:
1.284 nicm 1711: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1712: if (!tty_use_margin(tty))
1713: tty_cursor(tty, 0, tty->rlower);
1714: else
1715: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1716: for (i = 0; i < ctx->num; i++)
1.240 nicm 1717: tty_putc(tty, '\n');
1.301 nicm 1718: } else {
1719: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1720: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1721: }
1722: }
1723:
1724: void
1725: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1726: {
1727: struct window_pane *wp = ctx->wp;
1728: u_int i;
1729:
1730: if (ctx->bigger ||
1731: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1732: tty_fake_bce(tty, wp, 8) ||
1733: !tty_term_has(tty->term, TTYC_CSR) ||
1734: (!tty_term_has(tty->term, TTYC_RI) &&
1735: !tty_term_has(tty->term, TTYC_RIN)) ||
1736: wp->sx == 1 ||
1737: wp->sy == 1) {
1738: tty_redraw_region(tty, ctx);
1739: return;
1740: }
1741:
1742: tty_default_attributes(tty, wp, ctx->bg);
1743:
1744: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1745: tty_margin_pane(tty, ctx);
1746: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1747:
1748: if (tty_term_has(tty->term, TTYC_RIN))
1749: tty_putcode1(tty, TTYC_RIN, ctx->num);
1750: else {
1751: for (i = 0; i < ctx->num; i++)
1752: tty_putcode(tty, TTYC_RI);
1.301 nicm 1753: }
1.1 nicm 1754: }
1755:
1756: void
1.24 nicm 1757: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1758: {
1.77 nicm 1759: struct window_pane *wp = ctx->wp;
1.271 nicm 1760: u_int px, py, nx, ny;
1.1 nicm 1761:
1.210 nicm 1762: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1763:
1.271 nicm 1764: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1765: tty_margin_off(tty);
1.39 nicm 1766:
1.309 nicm 1767: px = 0;
1.271 nicm 1768: nx = screen_size_x(wp->screen);
1.309 nicm 1769: py = ctx->ocy + 1;
1.271 nicm 1770: ny = screen_size_y(wp->screen) - ctx->ocy - 1;
1771:
1.309 nicm 1772: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1773:
1.309 nicm 1774: px = ctx->ocx;
1.271 nicm 1775: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1776: py = ctx->ocy;
1.271 nicm 1777:
1.309 nicm 1778: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1779: }
1780:
1781: void
1.24 nicm 1782: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1783: {
1.77 nicm 1784: struct window_pane *wp = ctx->wp;
1.271 nicm 1785: u_int px, py, nx, ny;
1.1 nicm 1786:
1.227 nicm 1787: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1788:
1.271 nicm 1789: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1790: tty_margin_off(tty);
1.39 nicm 1791:
1.309 nicm 1792: px = 0;
1.271 nicm 1793: nx = screen_size_x(wp->screen);
1.309 nicm 1794: py = 0;
1.319 nicm 1795: ny = ctx->ocy;
1.271 nicm 1796:
1.309 nicm 1797: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1798:
1.309 nicm 1799: px = 0;
1.271 nicm 1800: nx = ctx->ocx + 1;
1.309 nicm 1801: py = ctx->ocy;
1.271 nicm 1802:
1.309 nicm 1803: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1804: }
1805:
1806: void
1.24 nicm 1807: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1808: {
1.77 nicm 1809: struct window_pane *wp = ctx->wp;
1.271 nicm 1810: u_int px, py, nx, ny;
1.1 nicm 1811:
1.210 nicm 1812: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1813:
1.271 nicm 1814: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1815: tty_margin_off(tty);
1.39 nicm 1816:
1.309 nicm 1817: px = 0;
1.271 nicm 1818: nx = screen_size_x(wp->screen);
1.309 nicm 1819: py = 0;
1.271 nicm 1820: ny = screen_size_y(wp->screen);
1821:
1.309 nicm 1822: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1823: }
1824:
1825: void
1.24 nicm 1826: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1827: {
1.12 nicm 1828: struct window_pane *wp = ctx->wp;
1829: struct screen *s = wp->screen;
1830: u_int i, j;
1.4 nicm 1831:
1.309 nicm 1832: if (ctx->bigger) {
1833: wp->flags |= PANE_REDRAW;
1834: return;
1835: }
1836:
1.176 nicm 1837: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1838:
1.39 nicm 1839: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1840: tty_margin_off(tty);
1.4 nicm 1841:
1842: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1843: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1844: for (i = 0; i < screen_size_x(s); i++)
1845: tty_putc(tty, 'E');
1.1 nicm 1846: }
1847: }
1848:
1849: void
1.24 nicm 1850: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1851: {
1.309 nicm 1852: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1))
1853: return;
1854:
1855: if (ctx->xoff + ctx->ocx - ctx->ox > tty->sx - 1 &&
1.306 nicm 1856: ctx->ocy == ctx->orlower &&
1857: tty_pane_full_width(tty, ctx))
1858: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1859:
1.306 nicm 1860: tty_margin_off(tty);
1.253 nicm 1861: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1862:
1.237 nicm 1863: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1864: }
1865:
1866: void
1867: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1868: {
1.309 nicm 1869: struct window_pane *wp = ctx->wp;
1870:
1871: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1872: return;
1873:
1874: if (ctx->bigger &&
1875: (ctx->xoff + ctx->ocx < ctx->ox ||
1876: ctx->xoff + ctx->ocx + ctx->num > ctx->ox + ctx->sx)) {
1877: if (!ctx->wrapped ||
1878: !tty_pane_full_width(tty, ctx) ||
1.337 nicm 1879: (tty->term->flags & TERM_NOXENL) ||
1.309 nicm 1880: ctx->xoff + ctx->ocx != 0 ||
1881: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1882: tty->cx < tty->sx ||
1883: tty->cy == tty->rlower)
1884: tty_draw_pane(tty, ctx, ctx->ocy);
1885: else
1886: wp->flags |= PANE_REDRAW;
1887: return;
1888: }
1889:
1.306 nicm 1890: tty_margin_off(tty);
1.253 nicm 1891: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1892:
1893: tty_attributes(tty, ctx->cell, ctx->wp);
1894: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1895: }
1896:
1897: void
1898: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1899: {
1900: char *buf;
1901: size_t off;
1902:
1903: if (!tty_term_has(tty->term, TTYC_MS))
1904: return;
1905:
1906: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1907: buf = xmalloc(off);
1908:
1909: b64_ntop(ctx->ptr, ctx->num, buf, off);
1910: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1911:
1.138 nicm 1912: free(buf);
1.100 nicm 1913: }
1914:
1915: void
1916: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1917: {
1.256 nicm 1918: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1919: tty_invalidate(tty);
1.1 nicm 1920: }
1921:
1.207 nicm 1922: static void
1.317 nicm 1923: tty_cell(struct tty *tty, const struct grid_cell *gc, struct window_pane *wp)
1.1 nicm 1924: {
1.298 nicm 1925: const struct grid_cell *gcp;
1.1 nicm 1926:
1927: /* Skip last character if terminal is stupid. */
1.337 nicm 1928: if ((tty->term->flags & TERM_NOXENL) &&
1.211 nicm 1929: tty->cy == tty->sy - 1 &&
1930: tty->cx == tty->sx - 1)
1.1 nicm 1931: return;
1932:
1933: /* If this is a padding character, do nothing. */
1934: if (gc->flags & GRID_FLAG_PADDING)
1935: return;
1936:
1937: /* Set the attributes. */
1.176 nicm 1938: tty_attributes(tty, gc, wp);
1.1 nicm 1939:
1.147 nicm 1940: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.298 nicm 1941: gcp = tty_check_codeset(tty, gc);
1942: if (gcp->data.size == 1) {
1943: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 1944: return;
1.298 nicm 1945: tty_putc(tty, *gcp->data.data);
1.1 nicm 1946: return;
1947: }
1948:
1.147 nicm 1949: /* Write the data. */
1.298 nicm 1950: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 1951: }
1952:
1953: void
1954: tty_reset(struct tty *tty)
1955: {
1956: struct grid_cell *gc = &tty->cell;
1957:
1.228 nicm 1958: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 1959: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 1960: tty_putcode(tty, TTYC_RMACS);
1961: tty_putcode(tty, TTYC_SGR0);
1962: memcpy(gc, &grid_default_cell, sizeof *gc);
1963: }
1.1 nicm 1964:
1.228 nicm 1965: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1966: tty->last_wp = -1;
1.242 nicm 1967: }
1968:
1969: static void
1970: tty_invalidate(struct tty *tty)
1971: {
1972: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1973:
1974: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1975: tty->last_wp = -1;
1976:
1977: tty->cx = tty->cy = UINT_MAX;
1978:
1979: tty->rupper = tty->rleft = UINT_MAX;
1980: tty->rlower = tty->rright = UINT_MAX;
1981:
1982: if (tty->flags & TTY_STARTED) {
1.330 nicm 1983: if (tty_use_margin(tty))
1984: tty_puts(tty, "\033[?69h"); /* DECLRMM */
1.242 nicm 1985: tty_putcode(tty, TTYC_SGR0);
1986:
1987: tty->mode = ALL_MODES;
1988: tty_update_mode(tty, MODE_CURSOR, NULL);
1989:
1990: tty_cursor(tty, 0, 0);
1991: tty_region_off(tty);
1992: tty_margin_off(tty);
1993: } else
1994: tty->mode = MODE_CURSOR;
1.1 nicm 1995: }
1996:
1.214 nicm 1997: /* Turn off margin. */
1998: void
1999: tty_region_off(struct tty *tty)
2000: {
2001: tty_region(tty, 0, tty->sy - 1);
2002: }
2003:
1.40 nicm 2004: /* Set region inside pane. */
1.208 nicm 2005: static void
1.196 nicm 2006: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
2007: u_int rlower)
1.1 nicm 2008: {
1.309 nicm 2009: tty_region(tty, ctx->yoff + rupper - ctx->oy,
2010: ctx->yoff + rlower - ctx->oy);
1.39 nicm 2011: }
2012:
1.40 nicm 2013: /* Set region at absolute position. */
1.214 nicm 2014: static void
1.40 nicm 2015: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2016: {
2017: if (tty->rlower == rlower && tty->rupper == rupper)
2018: return;
1.1 nicm 2019: if (!tty_term_has(tty->term, TTYC_CSR))
2020: return;
1.39 nicm 2021:
2022: tty->rupper = rupper;
2023: tty->rlower = rlower;
1.55 nicm 2024:
2025: /*
2026: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2027: * 0,0 if it is beyond the last column (they do not reset their wrap
2028: * flag so further output causes a line feed). As a workaround, do an
2029: * explicit move to 0 first.
2030: */
2031: if (tty->cx >= tty->sx)
2032: tty_cursor(tty, 0, tty->cy);
1.42 nicm 2033:
1.39 nicm 2034: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2035: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2036: }
2037:
1.214 nicm 2038: /* Turn off margin. */
2039: void
2040: tty_margin_off(struct tty *tty)
2041: {
2042: tty_margin(tty, 0, tty->sx - 1);
2043: }
2044:
1.212 nicm 2045: /* Set margin inside pane. */
2046: static void
2047: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2048: {
1.309 nicm 2049: tty_margin(tty, ctx->xoff - ctx->ox,
2050: ctx->xoff + ctx->wp->sx - 1 - ctx->ox);
1.212 nicm 2051: }
2052:
2053: /* Set margin at absolute position. */
1.214 nicm 2054: static void
1.212 nicm 2055: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2056: {
2057: char s[64];
2058:
2059: if (!tty_use_margin(tty))
2060: return;
2061: if (tty->rleft == rleft && tty->rright == rright)
2062: return;
2063:
1.232 nicm 2064: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2065:
1.212 nicm 2066: tty->rleft = rleft;
2067: tty->rright = rright;
2068:
1.232 nicm 2069: if (rleft == 0 && rright == tty->sx - 1)
2070: snprintf(s, sizeof s, "\033[s");
2071: else
2072: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 2073: tty_puts(tty, s);
1.249 nicm 2074: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2075: }
2076:
2077: /*
2078: * Move the cursor, unless it would wrap itself when the next character is
2079: * printed.
2080: */
2081: static void
2082: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2083: u_int cx, u_int cy)
2084: {
1.268 nicm 2085: if (!ctx->wrapped ||
2086: !tty_pane_full_width(tty, ctx) ||
1.337 nicm 2087: (tty->term->flags & TERM_NOXENL) ||
1.253 nicm 2088: ctx->xoff + cx != 0 ||
2089: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2090: tty->cx < tty->sx ||
2091: tty->cy == tty->rlower)
1.253 nicm 2092: tty_cursor_pane(tty, ctx, cx, cy);
2093: else
2094: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2095: }
2096:
1.42 nicm 2097: /* Move cursor inside pane. */
1.208 nicm 2098: static void
1.41 nicm 2099: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2100: {
1.309 nicm 2101: tty_cursor(tty, ctx->xoff + cx - ctx->ox, ctx->yoff + cy - ctx->oy);
1.41 nicm 2102: }
2103:
1.42 nicm 2104: /* Move cursor to absolute position. */
1.41 nicm 2105: void
2106: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2107: {
1.42 nicm 2108: struct tty_term *term = tty->term;
2109: u_int thisx, thisy;
2110: int change;
1.77 nicm 2111:
1.42 nicm 2112: if (cx > tty->sx - 1)
2113: cx = tty->sx - 1;
2114:
2115: thisx = tty->cx;
2116: thisy = tty->cy;
2117:
2118: /* No change. */
2119: if (cx == thisx && cy == thisy)
2120: return;
2121:
1.43 nicm 2122: /* Very end of the line, just use absolute movement. */
2123: if (thisx > tty->sx - 1)
2124: goto absolute;
2125:
1.42 nicm 2126: /* Move to home position (0, 0). */
2127: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2128: tty_putcode(tty, TTYC_HOME);
2129: goto out;
2130: }
2131:
2132: /* Zero on the next line. */
1.293 nicm 2133: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2134: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2135: tty_putc(tty, '\r');
1.42 nicm 2136: tty_putc(tty, '\n');
2137: goto out;
2138: }
2139:
1.45 nicm 2140: /* Moving column or row. */
1.42 nicm 2141: if (cy == thisy) {
1.45 nicm 2142: /*
2143: * Moving column only, row staying the same.
2144: */
2145:
1.42 nicm 2146: /* To left edge. */
1.294 nicm 2147: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2148: tty_putc(tty, '\r');
2149: goto out;
2150: }
2151:
2152: /* One to the left. */
2153: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2154: tty_putcode(tty, TTYC_CUB1);
2155: goto out;
2156: }
2157:
2158: /* One to the right. */
2159: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2160: tty_putcode(tty, TTYC_CUF1);
2161: goto out;
2162: }
2163:
2164: /* Calculate difference. */
2165: change = thisx - cx; /* +ve left, -ve right */
2166:
2167: /*
2168: * Use HPA if change is larger than absolute, otherwise move
2169: * the cursor with CUB/CUF.
2170: */
1.87 nicm 2171: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2172: tty_putcode1(tty, TTYC_HPA, cx);
2173: goto out;
1.333 nicm 2174: } else if (change > 0 &&
2175: tty_term_has(term, TTYC_CUB) &&
2176: !tty_use_margin(tty)) {
1.202 nicm 2177: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2178: tty_putcode(tty, TTYC_CUB1);
2179: tty_putcode(tty, TTYC_CUB1);
2180: goto out;
2181: }
1.42 nicm 2182: tty_putcode1(tty, TTYC_CUB, change);
2183: goto out;
1.333 nicm 2184: } else if (change < 0 &&
2185: tty_term_has(term, TTYC_CUF) &&
2186: !tty_use_margin(tty)) {
1.42 nicm 2187: tty_putcode1(tty, TTYC_CUF, -change);
2188: goto out;
2189: }
1.45 nicm 2190: } else if (cx == thisx) {
2191: /*
2192: * Moving row only, column staying the same.
2193: */
1.42 nicm 2194:
2195: /* One above. */
1.77 nicm 2196: if (thisy != tty->rupper &&
1.42 nicm 2197: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2198: tty_putcode(tty, TTYC_CUU1);
2199: goto out;
2200: }
2201:
2202: /* One below. */
1.49 nicm 2203: if (thisy != tty->rlower &&
1.42 nicm 2204: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2205: tty_putcode(tty, TTYC_CUD1);
2206: goto out;
2207: }
2208:
2209: /* Calculate difference. */
2210: change = thisy - cy; /* +ve up, -ve down */
2211:
2212: /*
1.77 nicm 2213: * Try to use VPA if change is larger than absolute or if this
2214: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2215: */
1.87 nicm 2216: if ((u_int) abs(change) > cy ||
1.42 nicm 2217: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2218: (change > 0 && cy - change < tty->rupper)) {
2219: if (tty_term_has(term, TTYC_VPA)) {
2220: tty_putcode1(tty, TTYC_VPA, cy);
2221: goto out;
2222: }
1.42 nicm 2223: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2224: tty_putcode1(tty, TTYC_CUU, change);
2225: goto out;
2226: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2227: tty_putcode1(tty, TTYC_CUD, -change);
2228: goto out;
2229: }
2230: }
2231:
1.43 nicm 2232: absolute:
1.42 nicm 2233: /* Absolute movement. */
2234: tty_putcode2(tty, TTYC_CUP, cy, cx);
2235:
2236: out:
2237: tty->cx = cx;
2238: tty->cy = cy;
1.1 nicm 2239: }
2240:
2241: void
1.176 nicm 2242: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.317 nicm 2243: struct window_pane *wp)
1.1 nicm 2244: {
1.63 nicm 2245: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2246: int changed;
1.61 nicm 2247:
1.228 nicm 2248: /* Ignore cell if it is the same as the last one. */
2249: if (wp != NULL &&
2250: (int)wp->id == tty->last_wp &&
1.326 nicm 2251: ~(wp->flags & PANE_STYLECHANGED) &&
1.228 nicm 2252: gc->attr == tty->last_cell.attr &&
2253: gc->fg == tty->last_cell.fg &&
1.328 nicm 2254: gc->bg == tty->last_cell.bg &&
2255: gc->us == tty->last_cell.us)
1.228 nicm 2256: return;
2257: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
2258: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
2259:
2260: /* Copy cell and update default colours. */
1.85 nicm 2261: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 2262: if (wp != NULL)
2263: tty_default_colours(&gc2, wp);
1.63 nicm 2264:
1.18 nicm 2265: /*
2266: * If no setab, try to use the reverse attribute as a best-effort for a
2267: * non-default background. This is a bit of a hack but it doesn't do
2268: * any serious harm and makes a couple of applications happier.
2269: */
2270: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2271: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2272: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2273: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2274: } else {
1.310 nicm 2275: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2276: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2277: }
2278: }
1.1 nicm 2279:
1.85 nicm 2280: /* Fix up the colours if necessary. */
1.219 nicm 2281: tty_check_fg(tty, wp, &gc2);
2282: tty_check_bg(tty, wp, &gc2);
1.328 nicm 2283: tty_check_us(tty, wp, &gc2);
1.85 nicm 2284:
1.328 nicm 2285: /*
2286: * If any bits are being cleared or the underline colour is now default,
2287: * reset everything.
2288: */
2289: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2290: tty_reset(tty);
2291:
2292: /*
2293: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2294: * may add to (NOT remove) the desired attributes.
1.64 nicm 2295: */
1.85 nicm 2296: tty_colours(tty, &gc2);
1.64 nicm 2297:
1.1 nicm 2298: /* Filter out attribute bits already set. */
1.85 nicm 2299: changed = gc2.attr & ~tc->attr;
2300: tc->attr = gc2.attr;
1.1 nicm 2301:
2302: /* Set the attributes. */
2303: if (changed & GRID_ATTR_BRIGHT)
2304: tty_putcode(tty, TTYC_BOLD);
2305: if (changed & GRID_ATTR_DIM)
2306: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2307: if (changed & GRID_ATTR_ITALICS)
2308: tty_set_italics(tty);
1.308 nicm 2309: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2310: if ((changed & GRID_ATTR_UNDERSCORE) ||
2311: !tty_term_has(tty->term, TTYC_SMULX))
2312: tty_putcode(tty, TTYC_SMUL);
2313: else if (changed & GRID_ATTR_UNDERSCORE_2)
2314: tty_putcode1(tty, TTYC_SMULX, 2);
2315: else if (changed & GRID_ATTR_UNDERSCORE_3)
2316: tty_putcode1(tty, TTYC_SMULX, 3);
2317: else if (changed & GRID_ATTR_UNDERSCORE_4)
2318: tty_putcode1(tty, TTYC_SMULX, 4);
2319: else if (changed & GRID_ATTR_UNDERSCORE_5)
2320: tty_putcode1(tty, TTYC_SMULX, 5);
2321: }
1.1 nicm 2322: if (changed & GRID_ATTR_BLINK)
2323: tty_putcode(tty, TTYC_BLINK);
2324: if (changed & GRID_ATTR_REVERSE) {
2325: if (tty_term_has(tty->term, TTYC_REV))
2326: tty_putcode(tty, TTYC_REV);
2327: else if (tty_term_has(tty->term, TTYC_SMSO))
2328: tty_putcode(tty, TTYC_SMSO);
2329: }
2330: if (changed & GRID_ATTR_HIDDEN)
2331: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2332: if (changed & GRID_ATTR_STRIKETHROUGH)
2333: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2334: if (changed & GRID_ATTR_OVERLINE)
2335: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2336: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2337: tty_putcode(tty, TTYC_SMACS);
2338: }
2339:
1.207 nicm 2340: static void
1.85 nicm 2341: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2342: {
1.61 nicm 2343: struct grid_cell *tc = &tty->cell;
1.204 nicm 2344: int have_ax;
1.61 nicm 2345:
2346: /* No changes? Nothing is necessary. */
1.328 nicm 2347: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2348: return;
1.1 nicm 2349:
1.61 nicm 2350: /*
2351: * Is either the default colour? This is handled specially because the
2352: * best solution might be to reset both colours to default, in which
2353: * case if only one is default need to fall onward to set the other
2354: * colour.
2355: */
1.310 nicm 2356: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2357: /*
2358: * If don't have AX but do have op, send sgr0 (op can't
2359: * actually be used because it is sometimes the same as sgr0
2360: * and sometimes isn't). This resets both colours to default.
2361: *
2362: * Otherwise, try to set the default colour only as needed.
2363: */
1.174 nicm 2364: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2365: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2366: tty_reset(tty);
2367: else {
1.310 nicm 2368: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2369: if (have_ax)
2370: tty_puts(tty, "\033[39m");
1.204 nicm 2371: else if (tc->fg != 7)
1.61 nicm 2372: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2373: tc->fg = gc->fg;
1.61 nicm 2374: }
1.310 nicm 2375: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2376: if (have_ax)
1.61 nicm 2377: tty_puts(tty, "\033[49m");
1.204 nicm 2378: else if (tc->bg != 0)
1.61 nicm 2379: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2380: tc->bg = gc->bg;
1.61 nicm 2381: }
2382: }
2383: }
1.1 nicm 2384:
1.61 nicm 2385: /* Set the foreground colour. */
1.310 nicm 2386: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2387: tty_colours_fg(tty, gc);
1.1 nicm 2388:
1.61 nicm 2389: /*
2390: * Set the background colour. This must come after the foreground as
2391: * tty_colour_fg() can call tty_reset().
2392: */
1.310 nicm 2393: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2394: tty_colours_bg(tty, gc);
1.328 nicm 2395:
2396: /* Set the underscore color. */
2397: if (gc->us != tc->us)
2398: tty_colours_us(tty, gc);
1.1 nicm 2399: }
2400:
1.219 nicm 2401: static void
1.317 nicm 2402: tty_check_fg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2403: {
1.204 nicm 2404: u_char r, g, b;
2405: u_int colours;
1.223 nicm 2406: int c;
1.85 nicm 2407:
1.288 nicm 2408: /*
2409: * Perform substitution if this pane has a palette. If the bright
2410: * attribute is set, use the bright entry in the palette by changing to
2411: * the aixterm colour.
2412: */
2413: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2414: c = gc->fg;
1.289 nicm 2415: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2416: c += 90;
2417: if ((c = window_pane_get_palette(wp, c)) != -1)
2418: gc->fg = c;
2419: }
1.219 nicm 2420:
1.199 nicm 2421: /* Is this a 24-bit colour? */
1.204 nicm 2422: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2423: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.341 nicm 2424: if ((tty->term->flags|tty->term_flags) & TERM_RGBCOLOURS)
1.200 nicm 2425: return;
1.341 nicm 2426: colour_split_rgb(gc->fg, &r, &g, &b);
2427: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2428: }
1.224 nicm 2429:
2430: /* How many colours does this terminal have? */
2431: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2432: colours = 256;
2433: else
2434: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2435:
1.85 nicm 2436: /* Is this a 256-colour colour? */
1.204 nicm 2437: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2438: /* And not a 256 colour mode? */
1.224 nicm 2439: if (colours != 256) {
1.85 nicm 2440: gc->fg = colour_256to16(gc->fg);
2441: if (gc->fg & 8) {
2442: gc->fg &= 7;
1.175 nicm 2443: if (colours >= 16)
2444: gc->fg += 90;
1.332 nicm 2445: }
1.85 nicm 2446: }
2447: return;
2448: }
2449:
2450: /* Is this an aixterm colour? */
2451: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2452: gc->fg -= 90;
2453: gc->attr |= GRID_ATTR_BRIGHT;
2454: }
2455: }
2456:
1.219 nicm 2457: static void
1.317 nicm 2458: tty_check_bg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2459: {
1.204 nicm 2460: u_char r, g, b;
2461: u_int colours;
1.223 nicm 2462: int c;
1.85 nicm 2463:
1.288 nicm 2464: /* Perform substitution if this pane has a palette. */
2465: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2466: if ((c = window_pane_get_palette(wp, gc->bg)) != -1)
2467: gc->bg = c;
2468: }
1.219 nicm 2469:
1.199 nicm 2470: /* Is this a 24-bit colour? */
1.204 nicm 2471: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2472: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.341 nicm 2473: if ((tty->term->flags|tty->term_flags) & TERM_RGBCOLOURS)
1.200 nicm 2474: return;
1.341 nicm 2475: colour_split_rgb(gc->bg, &r, &g, &b);
2476: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2477: }
1.224 nicm 2478:
2479: /* How many colours does this terminal have? */
2480: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2481: colours = 256;
2482: else
2483: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2484:
1.85 nicm 2485: /* Is this a 256-colour colour? */
1.204 nicm 2486: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2487: /*
2488: * And not a 256 colour mode? Translate to 16-colour
2489: * palette. Bold background doesn't exist portably, so just
2490: * discard the bold bit if set.
2491: */
1.224 nicm 2492: if (colours != 256) {
1.85 nicm 2493: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2494: if (gc->bg & 8) {
1.85 nicm 2495: gc->bg &= 7;
1.175 nicm 2496: if (colours >= 16)
1.322 nicm 2497: gc->bg += 90;
1.175 nicm 2498: }
1.85 nicm 2499: }
2500: return;
2501: }
2502:
2503: /* Is this an aixterm colour? */
1.175 nicm 2504: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2505: gc->bg -= 90;
2506: }
2507:
1.207 nicm 2508: static void
1.335 nicm 2509: tty_check_us(__unused struct tty *tty, struct window_pane *wp,
2510: struct grid_cell *gc)
1.328 nicm 2511: {
2512: int c;
2513:
2514: /* Perform substitution if this pane has a palette. */
2515: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2516: if ((c = window_pane_get_palette(wp, gc->us)) != -1)
2517: gc->us = c;
2518: }
2519:
2520: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2521: if (gc->us & COLOUR_FLAG_256)
2522: gc->us = colour_256toRGB (gc->us);
2523: }
2524:
2525: static void
1.85 nicm 2526: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2527: {
1.61 nicm 2528: struct grid_cell *tc = &tty->cell;
1.79 nicm 2529: char s[32];
1.1 nicm 2530:
1.204 nicm 2531: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2532: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2533: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 2534: goto save_fg;
1.199 nicm 2535: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2536: return;
1.1 nicm 2537: }
2538:
1.79 nicm 2539: /* Is this an aixterm bright colour? */
1.204 nicm 2540: if (gc->fg >= 90 && gc->fg <= 97) {
1.323 nicm 2541: if (tty->term_flags & TERM_256COLOURS) {
2542: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2543: tty_puts(tty, s);
2544: } else
2545: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.85 nicm 2546: goto save_fg;
1.79 nicm 2547: }
2548:
1.61 nicm 2549: /* Otherwise set the foreground colour. */
1.204 nicm 2550: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2551:
1.77 nicm 2552: save_fg:
1.61 nicm 2553: /* Save the new values in the terminal current cell. */
1.204 nicm 2554: tc->fg = gc->fg;
1.1 nicm 2555: }
2556:
1.207 nicm 2557: static void
1.73 nicm 2558: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2559: {
1.61 nicm 2560: struct grid_cell *tc = &tty->cell;
1.79 nicm 2561: char s[32];
1.1 nicm 2562:
1.204 nicm 2563: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2564: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2565: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 2566: goto save_bg;
1.199 nicm 2567: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2568: return;
1.79 nicm 2569: }
2570:
2571: /* Is this an aixterm bright colour? */
1.204 nicm 2572: if (gc->bg >= 90 && gc->bg <= 97) {
1.323 nicm 2573: if (tty->term_flags & TERM_256COLOURS) {
2574: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2575: tty_puts(tty, s);
2576: } else
2577: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.175 nicm 2578: goto save_bg;
1.1 nicm 2579: }
2580:
1.61 nicm 2581: /* Otherwise set the background colour. */
1.204 nicm 2582: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2583:
2584: save_bg:
2585: /* Save the new values in the terminal current cell. */
1.204 nicm 2586: tc->bg = gc->bg;
1.328 nicm 2587: }
2588:
2589: static void
2590: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2591: {
2592: struct grid_cell *tc = &tty->cell;
2593: u_int c;
2594: u_char r, g, b;
2595:
2596: /* Must be an RGB colour - this should never happen. */
2597: if (~gc->us & COLOUR_FLAG_RGB)
2598: return;
2599:
2600: /*
2601: * Setulc follows the ncurses(3) one argument "direct colour"
2602: * capability format. Calculate the colour value.
2603: */
2604: colour_split_rgb(gc->us, &r, &g, &b);
2605: c = (65536 * r) + (256 * g) + b;
2606:
2607: /* Write the colour. */
2608: tty_putcode1(tty, TTYC_SETULC, c);
2609:
2610: /* Save the new values in the terminal current cell. */
2611: tc->us = gc->us;
1.61 nicm 2612: }
2613:
1.207 nicm 2614: static int
1.204 nicm 2615: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2616: {
1.204 nicm 2617: u_char r, g, b;
1.61 nicm 2618: char s[32];
2619:
1.204 nicm 2620: if (colour & COLOUR_FLAG_256) {
2621: /*
1.300 nicm 2622: * If the user has specified -2 to the client (meaning
2623: * TERM_256COLOURS is set), setaf and setab may not work (or
2624: * they may not want to use them), so send the usual sequence.
2625: *
2626: * Also if RGB is set, setaf and setab do not support the 256
2627: * colour palette so use the sequences directly there too.
1.204 nicm 2628: */
1.300 nicm 2629: if ((tty->term_flags & TERM_256COLOURS) ||
2630: tty_term_has(tty->term, TTYC_RGB))
1.204 nicm 2631: goto fallback_256;
1.189 nicm 2632:
1.204 nicm 2633: /*
2634: * If the terminfo entry has 256 colours and setaf and setab
2635: * exist, assume that they work correctly.
2636: */
2637: if (tty->term->flags & TERM_256COLOURS) {
2638: if (*type == '3') {
2639: if (!tty_term_has(tty->term, TTYC_SETAF))
2640: goto fallback_256;
2641: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2642: } else {
2643: if (!tty_term_has(tty->term, TTYC_SETAB))
2644: goto fallback_256;
2645: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2646: }
2647: return (0);
1.188 nicm 2648: }
1.204 nicm 2649: goto fallback_256;
2650: }
2651:
2652: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2653: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.286 nicm 2654: if (*type == '3') {
2655: if (!tty_term_has(tty->term, TTYC_SETRGBF))
1.341 nicm 2656: goto fallback_rgb;
1.286 nicm 2657: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
2658: } else {
2659: if (!tty_term_has(tty->term, TTYC_SETRGBB))
1.341 nicm 2660: goto fallback_rgb;
1.286 nicm 2661: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
2662: }
1.165 nicm 2663: return (0);
2664: }
1.61 nicm 2665:
1.165 nicm 2666: return (-1);
1.188 nicm 2667:
1.204 nicm 2668: fallback_256:
2669: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.300 nicm 2670: log_debug("%s: 256 colour fallback: %s", tty->client->name, s);
1.341 nicm 2671: tty_puts(tty, s);
2672: return (0);
2673:
2674: fallback_rgb:
2675: xsnprintf(s, sizeof s, "\033[%s;2;%d;%d;%dm", type, r, g, b);
2676: log_debug("%s: RGB colour fallback: %s", tty->client->name, s);
1.188 nicm 2677: tty_puts(tty, s);
2678: return (0);
1.176 nicm 2679: }
2680:
1.207 nicm 2681: static void
1.317 nicm 2682: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2683: {
1.326 nicm 2684: struct options *oo = wp->options;
2685: struct style *style, *active_style;
2686: int c;
2687:
2688: if (wp->flags & PANE_STYLECHANGED) {
2689: wp->flags &= ~PANE_STYLECHANGED;
2690:
2691: active_style = options_get_style(oo, "window-active-style");
2692: style = options_get_style(oo, "window-style");
2693:
2694: style_copy(&wp->cached_active_style, active_style);
2695: style_copy(&wp->cached_style, style);
1.203 nicm 2696: } else {
1.326 nicm 2697: active_style = &wp->cached_active_style;
2698: style = &wp->cached_style;
1.203 nicm 2699: }
1.176 nicm 2700:
1.204 nicm 2701: if (gc->fg == 8) {
1.326 nicm 2702: if (wp == wp->window->active && active_style->gc.fg != 8)
2703: gc->fg = active_style->gc.fg;
1.204 nicm 2704: else
1.326 nicm 2705: gc->fg = style->gc.fg;
1.219 nicm 2706:
1.310 nicm 2707: if (gc->fg != 8) {
2708: c = window_pane_get_palette(wp, gc->fg);
2709: if (c != -1)
2710: gc->fg = c;
2711: }
1.176 nicm 2712: }
2713:
1.204 nicm 2714: if (gc->bg == 8) {
1.326 nicm 2715: if (wp == wp->window->active && active_style->gc.bg != 8)
2716: gc->bg = active_style->gc.bg;
1.204 nicm 2717: else
1.326 nicm 2718: gc->bg = style->gc.bg;
1.219 nicm 2719:
1.310 nicm 2720: if (gc->bg != 8) {
2721: c = window_pane_get_palette(wp, gc->bg);
2722: if (c != -1)
2723: gc->bg = c;
2724: }
1.176 nicm 2725: }
1.210 nicm 2726: }
2727:
2728: static void
1.317 nicm 2729: tty_default_attributes(struct tty *tty, struct window_pane *wp, u_int bg)
1.210 nicm 2730: {
2731: static struct grid_cell gc;
2732:
2733: memcpy(&gc, &grid_default_cell, sizeof gc);
2734: gc.bg = bg;
2735: tty_attributes(tty, &gc, wp);
1.1 nicm 2736: }
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