Annotation of src/usr.bin/tmux/tty.c, Revision 1.350
1.350 ! nicm 1: /* $OpenBSD: tty.c,v 1.349 2020/04/16 14:03:51 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) \
1.349 nicm 77: (tty_get_flags(tty) & 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:
1.349 nicm 481: int
482: tty_get_flags(struct tty *tty)
483: {
484: if (tty->term != NULL)
485: return (tty->term->flags|tty->term_flags);
486: return (tty->term_flags);
487: }
488:
1.212 nicm 489: void
1.1 nicm 490: tty_raw(struct tty *tty, const char *s)
491: {
1.150 nicm 492: ssize_t n, slen;
493: u_int i;
494:
495: slen = strlen(s);
496: for (i = 0; i < 5; i++) {
497: n = write(tty->fd, s, slen);
498: if (n >= 0) {
499: s += n;
500: slen -= n;
501: if (slen == 0)
502: break;
503: } else if (n == -1 && errno != EAGAIN)
504: break;
505: usleep(100);
506: }
1.1 nicm 507: }
508:
509: void
510: tty_putcode(struct tty *tty, enum tty_code_code code)
511: {
512: tty_puts(tty, tty_term_string(tty->term, code));
513: }
514:
515: void
516: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
517: {
518: if (a < 0)
519: return;
520: tty_puts(tty, tty_term_string1(tty->term, code, a));
521: }
522:
523: void
524: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
525: {
526: if (a < 0 || b < 0)
527: return;
528: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
529: }
530:
531: void
1.286 nicm 532: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
533: {
534: if (a < 0 || b < 0 || c < 0)
535: return;
536: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
537: }
538:
539: void
1.107 nicm 540: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
541: {
542: if (a != NULL)
543: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
544: }
545:
546: void
1.167 nicm 547: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
548: const void *b)
1.106 nicm 549: {
550: if (a != NULL && b != NULL)
551: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
552: }
553:
1.243 nicm 554: static void
555: tty_add(struct tty *tty, const char *buf, size_t len)
556: {
1.258 nicm 557: struct client *c = tty->client;
558:
1.266 nicm 559: if (tty->flags & TTY_BLOCK) {
560: tty->discarded += len;
561: return;
562: }
563:
1.244 nicm 564: evbuffer_add(tty->out, buf, len);
1.270 nicm 565: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 566: c->written += len;
1.243 nicm 567:
568: if (tty_log_fd != -1)
569: write(tty_log_fd, buf, len);
1.244 nicm 570: if (tty->flags & TTY_STARTED)
571: event_add(&tty->event_out, NULL);
1.243 nicm 572: }
573:
1.106 nicm 574: void
1.1 nicm 575: tty_puts(struct tty *tty, const char *s)
576: {
1.243 nicm 577: if (*s != '\0')
578: tty_add(tty, s, strlen(s));
1.1 nicm 579: }
580:
581: void
582: tty_putc(struct tty *tty, u_char ch)
583: {
1.90 nicm 584: const char *acs;
1.1 nicm 585:
1.349 nicm 586: if ((tty_get_flags(tty) & TERM_NOXENL) &&
1.325 nicm 587: ch >= 0x20 && ch != 0x7f &&
588: tty->cy == tty->sy - 1 &&
589: tty->cx + 1 >= tty->sx)
590: return;
591:
1.90 nicm 592: if (tty->cell.attr & GRID_ATTR_CHARSET) {
593: acs = tty_acs_get(tty, ch);
1.243 nicm 594: if (acs != NULL)
595: tty_add(tty, acs, strlen(acs));
596: else
597: tty_add(tty, &ch, 1);
598: } else
599: tty_add(tty, &ch, 1);
1.1 nicm 600:
601: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 602: if (tty->cx >= tty->sx) {
1.46 nicm 603: tty->cx = 1;
604: if (tty->cy != tty->rlower)
605: tty->cy++;
1.211 nicm 606:
607: /*
608: * On !xenl terminals, force the cursor position to
609: * where we think it should be after a line wrap - this
610: * means it works on sensible terminals as well.
611: */
1.349 nicm 612: if (tty_get_flags(tty) & TERM_NOXENL)
1.211 nicm 613: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 614: } else
615: tty->cx++;
616: }
617: }
618:
619: void
1.147 nicm 620: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 621: {
1.349 nicm 622: if ((tty_get_flags(tty) & TERM_NOXENL) &&
1.325 nicm 623: tty->cy == tty->sy - 1 &&
624: tty->cx + len >= tty->sx)
625: len = tty->sx - tty->cx - 1;
626:
1.243 nicm 627: tty_add(tty, buf, len);
1.268 nicm 628: if (tty->cx + width > tty->sx) {
629: tty->cx = (tty->cx + width) - tty->sx;
630: if (tty->cx <= tty->sx)
631: tty->cy++;
632: else
633: tty->cx = tty->cy = UINT_MAX;
634: } else
1.254 nicm 635: tty->cx += width;
1.5 nicm 636: }
637:
1.207 nicm 638: static void
1.180 nicm 639: tty_set_italics(struct tty *tty)
640: {
641: const char *s;
642:
643: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 644: s = options_get_string(global_options, "default-terminal");
1.180 nicm 645: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
646: tty_putcode(tty, TTYC_SITM);
647: return;
648: }
649: }
650: tty_putcode(tty, TTYC_SMSO);
651: }
652:
653: void
1.1 nicm 654: tty_set_title(struct tty *tty, const char *title)
655: {
1.105 nicm 656: if (!tty_term_has(tty->term, TTYC_TSL) ||
657: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 658: return;
659:
1.105 nicm 660: tty_putcode(tty, TTYC_TSL);
1.1 nicm 661: tty_puts(tty, title);
1.105 nicm 662: tty_putcode(tty, TTYC_FSL);
1.1 nicm 663: }
664:
1.208 nicm 665: static void
1.107 nicm 666: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
667: {
668: if (*ccolour == '\0')
669: tty_putcode(tty, TTYC_CR);
670: else
1.160 nicm 671: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 672: free(tty->ccolour);
1.107 nicm 673: tty->ccolour = xstrdup(ccolour);
674: }
675:
676: void
677: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 678: {
1.344 nicm 679: struct client *c = tty->client;
680: int changed;
1.1 nicm 681:
1.197 nicm 682: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 683: tty_force_cursor_colour(tty, s->ccolour);
684:
1.1 nicm 685: if (tty->flags & TTY_NOCURSOR)
686: mode &= ~MODE_CURSOR;
687:
688: changed = mode ^ tty->mode;
1.344 nicm 689: log_debug("%s: update mode %x to %x", c->name, tty->mode, mode);
690:
1.183 nicm 691: if (changed & MODE_BLINKING) {
692: if (tty_term_has(tty->term, TTYC_CVVIS))
693: tty_putcode(tty, TTYC_CVVIS);
694: else
695: tty_putcode(tty, TTYC_CNORM);
696: changed |= MODE_CURSOR;
697: }
698: if (changed & MODE_CURSOR) {
699: if (mode & MODE_CURSOR)
700: tty_putcode(tty, TTYC_CNORM);
701: else
1.1 nicm 702: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 703: }
1.181 nicm 704: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 705: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 706: if (s->cstyle == 0 &&
1.160 nicm 707: tty_term_has(tty->term, TTYC_SE))
708: tty_putcode(tty, TTYC_SE);
1.108 nicm 709: else
1.160 nicm 710: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 711: }
712: tty->cstyle = s->cstyle;
1.1 nicm 713: }
1.344 nicm 714: if ((changed & ALL_MOUSE_MODES) &&
715: tty_term_has(tty->term, TTYC_KMOUS)) {
716: if ((mode & ALL_MOUSE_MODES) == 0)
717: tty_puts(tty, "\033[?1006l");
718: if ((changed & MODE_MOUSE_STANDARD) &&
719: (~mode & MODE_MOUSE_STANDARD))
720: tty_puts(tty, "\033[?1000l");
721: if ((changed & MODE_MOUSE_BUTTON) &&
722: (~mode & MODE_MOUSE_BUTTON))
723: tty_puts(tty, "\033[?1002l");
724: if ((changed & MODE_MOUSE_ALL) &&
725: (~mode & MODE_MOUSE_ALL))
726: tty_puts(tty, "\033[?1003l");
727:
728: if (mode & ALL_MOUSE_MODES)
1.153 nicm 729: tty_puts(tty, "\033[?1006h");
1.344 nicm 730: if ((changed & MODE_MOUSE_STANDARD) &&
731: (mode & MODE_MOUSE_STANDARD))
732: tty_puts(tty, "\033[?1000h");
733: if ((changed & MODE_MOUSE_BUTTON) &&
734: (mode & MODE_MOUSE_BUTTON))
735: tty_puts(tty, "\033[?1002h");
736: if ((changed & MODE_MOUSE_ALL) &&
737: (mode & MODE_MOUSE_ALL))
738: tty_puts(tty, "\033[?1003h");
1.115 nicm 739: }
740: if (changed & MODE_BRACKETPASTE) {
741: if (mode & MODE_BRACKETPASTE)
742: tty_puts(tty, "\033[?2004h");
743: else
744: tty_puts(tty, "\033[?2004l");
1.1 nicm 745: }
746: tty->mode = mode;
747: }
748:
1.207 nicm 749: static void
1.168 nicm 750: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
751: enum tty_code_code code1, u_int n)
1.1 nicm 752: {
753: if (tty_term_has(tty->term, code))
754: tty_putcode1(tty, code, n);
755: else {
756: while (n-- > 0)
757: tty_putcode(tty, code1);
758: }
759: }
760:
1.207 nicm 761: static void
1.133 nicm 762: tty_repeat_space(struct tty *tty, u_int n)
763: {
1.257 nicm 764: static char s[500];
765:
766: if (*s != ' ')
767: memset(s, ' ', sizeof s);
768:
769: while (n > sizeof s) {
770: tty_putn(tty, s, sizeof s, sizeof s);
771: n -= sizeof s;
772: }
773: if (n != 0)
774: tty_putn(tty, s, n, n);
1.304 nicm 775: }
776:
1.309 nicm 777: /* Is this window bigger than the terminal? */
778: int
779: tty_window_bigger(struct tty *tty)
780: {
781: struct client *c = tty->client;
782: struct window *w = c->session->curw->window;
783:
784: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
785: }
786:
787: /* What offset should this window be drawn at? */
788: int
789: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
790: {
791: *ox = tty->oox;
792: *oy = tty->ooy;
793: *sx = tty->osx;
794: *sy = tty->osy;
795:
796: return (tty->oflag);
797: }
798:
799: /* What offset should this window be drawn at? */
800: static int
801: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
802: {
803: struct client *c = tty->client;
804: struct window *w = c->session->curw->window;
805: struct window_pane *wp = w->active;
806: u_int cx, cy, lines;
807:
808: lines = status_line_size(c);
809:
810: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
811: *ox = 0;
812: *oy = 0;
813: *sx = w->sx;
814: *sy = w->sy;
815:
816: c->pan_window = NULL;
817: return (0);
818: }
819:
820: *sx = tty->sx;
821: *sy = tty->sy - lines;
822:
823: if (c->pan_window == w) {
824: if (*sx >= w->sx)
825: c->pan_ox = 0;
826: else if (c->pan_ox + *sx > w->sx)
827: c->pan_ox = w->sx - *sx;
828: *ox = c->pan_ox;
829: if (*sy >= w->sy)
830: c->pan_oy = 0;
831: else if (c->pan_oy + *sy > w->sy)
832: c->pan_oy = w->sy - *sy;
833: *oy = c->pan_oy;
834: return (1);
835: }
836:
837: if (~wp->screen->mode & MODE_CURSOR) {
838: *ox = 0;
839: *oy = 0;
840: } else {
841: cx = wp->xoff + wp->screen->cx;
842: cy = wp->yoff + wp->screen->cy;
843:
844: if (cx < *sx)
845: *ox = 0;
846: else if (cx > w->sx - *sx)
847: *ox = w->sx - *sx;
848: else
849: *ox = cx - *sx / 2;
850:
851: if (cy < *sy)
852: *oy = 0;
853: else if (cy > w->sy - *sy)
854: *oy = w->sy - *sy;
855: else
856: *oy = cy - *sy / 2;
857: }
858:
859: c->pan_window = NULL;
860: return (1);
861: }
862:
863: /* Update stored offsets for a window and redraw if necessary. */
864: void
865: tty_update_window_offset(struct window *w)
866: {
867: struct client *c;
868:
869: TAILQ_FOREACH(c, &clients, entry) {
870: if (c->session != NULL && c->session->curw->window == w)
871: tty_update_client_offset(c);
872: }
873: }
874:
875: /* Update stored offsets for a client and redraw if necessary. */
876: void
877: tty_update_client_offset(struct client *c)
1.304 nicm 878: {
1.309 nicm 879: u_int ox, oy, sx, sy;
1.314 nicm 880:
881: if (~c->flags & CLIENT_TERMINAL)
882: return;
1.304 nicm 883:
1.309 nicm 884: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
885: if (ox == c->tty.oox &&
886: oy == c->tty.ooy &&
887: sx == c->tty.osx &&
888: sy == c->tty.osy)
889: return;
890:
891: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
892: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
893: ox, oy, sx, sy);
894:
895: c->tty.oox = ox;
896: c->tty.ooy = oy;
897: c->tty.osx = sx;
898: c->tty.osy = sy;
899:
900: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 901: }
902:
1.1 nicm 903: /*
1.119 nicm 904: * Is the region large enough to be worth redrawing once later rather than
905: * probably several times now? Currently yes if it is more than 50% of the
906: * pane.
907: */
1.207 nicm 908: static int
1.194 nicm 909: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 910: {
911: struct window_pane *wp = ctx->wp;
912:
913: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
914: }
915:
916: /*
1.176 nicm 917: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
918: * emulated.
919: */
1.207 nicm 920: static int
1.317 nicm 921: tty_fake_bce(const struct tty *tty, struct window_pane *wp, u_int bg)
1.176 nicm 922: {
923: struct grid_cell gc;
924:
1.210 nicm 925: if (tty_term_flag(tty->term, TTYC_BCE))
926: return (0);
927:
1.176 nicm 928: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 929: if (wp != NULL)
930: tty_default_colours(&gc, wp);
1.176 nicm 931:
1.310 nicm 932: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc.bg))
1.210 nicm 933: return (1);
934: return (0);
1.176 nicm 935: }
936:
937: /*
1.1 nicm 938: * Redraw scroll region using data from screen (already updated). Used when
939: * CSR not supported, or window is a pane that doesn't take up the full
940: * width of the terminal.
941: */
1.207 nicm 942: static void
1.24 nicm 943: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 944: {
1.14 nicm 945: struct window_pane *wp = ctx->wp;
946: struct screen *s = wp->screen;
1.204 nicm 947: u_int i;
1.1 nicm 948:
949: /*
1.119 nicm 950: * If region is large, schedule a window redraw. In most cases this is
951: * likely to be followed by some more scrolling.
1.1 nicm 952: */
1.119 nicm 953: if (tty_large_region(tty, ctx)) {
1.1 nicm 954: wp->flags |= PANE_REDRAW;
955: return;
956: }
957:
1.14 nicm 958: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
959: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.309 nicm 960: tty_draw_pane(tty, ctx, i);
1.1 nicm 961: } else {
1.14 nicm 962: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.309 nicm 963: tty_draw_pane(tty, ctx, i);
1.1 nicm 964: }
965: }
966:
1.309 nicm 967: /* Is this position visible in the pane? */
968: static int
969: tty_is_visible(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
970: u_int nx, u_int ny)
971: {
972: u_int xoff = ctx->xoff + px, yoff = ctx->yoff + py, lines;
973:
974: if (!ctx->bigger)
975: return (1);
976:
977: if (status_at_line(tty->client) == 0)
978: lines = status_line_size(tty->client);
979: else
980: lines = 0;
981:
982: if (xoff + nx <= ctx->ox || xoff >= ctx->ox + ctx->sx ||
1.320 nicm 983: yoff + ny <= ctx->oy || yoff >= lines + ctx->oy + ctx->sy)
1.309 nicm 984: return (0);
985: return (1);
986: }
987:
988: /* Clamp line position to visible part of pane. */
989: static int
990: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
991: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
992: {
993: struct window_pane *wp = ctx->wp;
994: u_int xoff = wp->xoff + px;
995:
996: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
997: return (0);
998: *ry = ctx->yoff + py - ctx->oy;
999:
1000: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
1001: /* All visible. */
1002: *i = 0;
1003: *x = ctx->xoff + px - ctx->ox;
1004: *rx = nx;
1005: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
1006: /* Both left and right not visible. */
1007: *i = ctx->ox;
1008: *x = 0;
1009: *rx = ctx->sx;
1010: } else if (xoff < ctx->ox) {
1011: /* Left not visible. */
1012: *i = ctx->ox - (ctx->xoff + px);
1013: *x = 0;
1014: *rx = nx - *i;
1015: } else {
1016: /* Right not visible. */
1017: *i = 0;
1018: *x = (ctx->xoff + px) - ctx->ox;
1019: *rx = ctx->sx - *x;
1020: }
1021: if (*rx > nx)
1022: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1023:
1024: return (1);
1025: }
1026:
1027: /* Clear a line. */
1.271 nicm 1028: static void
1.317 nicm 1029: tty_clear_line(struct tty *tty, struct window_pane *wp, u_int py, u_int px,
1030: u_int nx, u_int bg)
1.271 nicm 1031: {
1.309 nicm 1032: struct client *c = tty->client;
1033:
1034: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1035:
1036: /* Nothing to clear. */
1037: if (nx == 0)
1038: return;
1039:
1040: /* If genuine BCE is available, can try escape sequences. */
1041: if (!tty_fake_bce(tty, wp, bg)) {
1042: /* Off the end of the line, use EL if available. */
1043: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1044: tty_cursor(tty, px, py);
1045: tty_putcode(tty, TTYC_EL);
1046: return;
1047: }
1048:
1049: /* At the start of the line. Use EL1. */
1050: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1051: tty_cursor(tty, px + nx - 1, py);
1052: tty_putcode(tty, TTYC_EL1);
1053: return;
1054: }
1055:
1056: /* Section of line. Use ECH if possible. */
1057: if (tty_term_has(tty->term, TTYC_ECH)) {
1058: tty_cursor(tty, px, py);
1059: tty_putcode1(tty, TTYC_ECH, nx);
1060: return;
1061: }
1062: }
1063:
1064: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 1065: tty_cursor(tty, px, py);
1.271 nicm 1066: tty_repeat_space(tty, nx);
1067: }
1068:
1.309 nicm 1069: /* Clear a line, adjusting to visible part of pane. */
1070: static void
1071: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1072: u_int px, u_int nx, u_int bg)
1073: {
1074: struct client *c = tty->client;
1075: u_int i, x, rx, ry;
1076:
1077: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1078:
1079: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1080: tty_clear_line(tty, ctx->wp, ry, x, rx, bg);
1081: }
1082:
1083: /* Clamp area position to visible part of pane. */
1084: static int
1085: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1086: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1087: u_int *ry)
1088: {
1089: struct window_pane *wp = ctx->wp;
1090: u_int xoff = wp->xoff + px, yoff = wp->yoff + py;
1091:
1092: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1093: return (0);
1094:
1095: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
1096: /* All visible. */
1097: *i = 0;
1098: *x = ctx->xoff + px - ctx->ox;
1099: *rx = nx;
1100: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
1101: /* Both left and right not visible. */
1102: *i = ctx->ox;
1103: *x = 0;
1104: *rx = ctx->sx;
1105: } else if (xoff < ctx->ox) {
1106: /* Left not visible. */
1107: *i = ctx->ox - (ctx->xoff + px);
1108: *x = 0;
1109: *rx = nx - *i;
1110: } else {
1111: /* Right not visible. */
1112: *i = 0;
1113: *x = (ctx->xoff + px) - ctx->ox;
1114: *rx = ctx->sx - *x;
1115: }
1116: if (*rx > nx)
1117: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1118:
1119: if (yoff >= ctx->oy && yoff + ny <= ctx->oy + ctx->sy) {
1120: /* All visible. */
1121: *j = 0;
1122: *y = ctx->yoff + py - ctx->oy;
1123: *ry = ny;
1124: } else if (yoff < ctx->oy && yoff + ny > ctx->oy + ctx->sy) {
1.327 nicm 1125: /* Both top and bottom not visible. */
1.309 nicm 1126: *j = ctx->oy;
1127: *y = 0;
1128: *ry = ctx->sy;
1129: } else if (yoff < ctx->oy) {
1.327 nicm 1130: /* Top not visible. */
1.309 nicm 1131: *j = ctx->oy - (ctx->yoff + py);
1132: *y = 0;
1133: *ry = ny - *j;
1134: } else {
1.327 nicm 1135: /* Bottom not visible. */
1.309 nicm 1136: *j = 0;
1137: *y = (ctx->yoff + py) - ctx->oy;
1138: *ry = ctx->sy - *y;
1139: }
1140: if (*ry > ny)
1141: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1142:
1143: return (1);
1144: }
1145:
1146: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1147: static void
1.317 nicm 1148: tty_clear_area(struct tty *tty, struct window_pane *wp, u_int py, u_int ny,
1149: u_int px, u_int nx, u_int bg)
1.271 nicm 1150: {
1.309 nicm 1151: struct client *c = tty->client;
1152: u_int yy;
1153: char tmp[64];
1.271 nicm 1154:
1.309 nicm 1155: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1156:
1157: /* Nothing to clear. */
1158: if (nx == 0 || ny == 0)
1159: return;
1160:
1161: /* If genuine BCE is available, can try escape sequences. */
1162: if (!tty_fake_bce(tty, wp, bg)) {
1.276 nicm 1163: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1164: if (px == 0 &&
1165: px + nx >= tty->sx &&
1166: py + ny >= tty->sy &&
1167: tty_term_has(tty->term, TTYC_ED)) {
1168: tty_cursor(tty, 0, py);
1169: tty_putcode(tty, TTYC_ED);
1.274 nicm 1170: return;
1171: }
1172:
1173: /*
1.276 nicm 1174: * On VT420 compatible terminals we can use DECFRA if the
1175: * background colour isn't default (because it doesn't work
1176: * after SGR 0).
1.274 nicm 1177: */
1.349 nicm 1178: if ((tty_get_flags(tty) & TERM_DECFRA) &&
1.337 nicm 1179: !COLOUR_DEFAULT(bg)) {
1.274 nicm 1180: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1181: py + 1, px + 1, py + ny, px + nx);
1182: tty_puts(tty, tmp);
1.276 nicm 1183: return;
1184: }
1185:
1.280 nicm 1186: /* Full lines can be scrolled away to clear them. */
1187: if (px == 0 &&
1.281 nicm 1188: px + nx >= tty->sx &&
1.280 nicm 1189: ny > 2 &&
1190: tty_term_has(tty->term, TTYC_CSR) &&
1191: tty_term_has(tty->term, TTYC_INDN)) {
1192: tty_region(tty, py, py + ny - 1);
1193: tty_margin_off(tty);
1.284 nicm 1194: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1195: return;
1196: }
1197:
1.276 nicm 1198: /*
1199: * If margins are supported, can just scroll the area off to
1200: * clear it.
1201: */
1.277 nicm 1202: if (nx > 2 &&
1203: ny > 2 &&
1.280 nicm 1204: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1205: tty_use_margin(tty) &&
1206: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1207: tty_region(tty, py, py + ny - 1);
1208: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1209: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1210: return;
1211: }
1212: }
1213:
1214: /* Couldn't use an escape sequence, loop over the lines. */
1215: for (yy = py; yy < py + ny; yy++)
1216: tty_clear_line(tty, wp, yy, px, nx, bg);
1217: }
1218:
1.309 nicm 1219: /* Clear an area in a pane. */
1220: static void
1221: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1222: u_int ny, u_int px, u_int nx, u_int bg)
1223: {
1224: u_int i, j, x, y, rx, ry;
1225:
1226: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1227: tty_clear_area(tty, ctx->wp, y, ry, x, rx, bg);
1228: }
1229:
1230: static void
1231: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1232: {
1.309 nicm 1233: struct window_pane *wp = ctx->wp;
1234: struct screen *s = wp->screen;
1235: u_int nx = screen_size_x(s), i, x, rx, ry;
1236:
1237: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1238:
1239: if (!ctx->bigger) {
1240: tty_draw_line(tty, wp, s, 0, py, nx, ctx->xoff, ctx->yoff + py);
1241: return;
1242: }
1243: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry))
1244: tty_draw_line(tty, wp, s, i, py, rx, x, ry);
1.176 nicm 1245: }
1246:
1.298 nicm 1247: static const struct grid_cell *
1248: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1249: {
1250: static struct grid_cell new;
1251: u_int n;
1252:
1253: /* Characters less than 0x7f are always fine, no matter what. */
1254: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1255: return (gc);
1256:
1257: /* UTF-8 terminal and a UTF-8 character - fine. */
1.350 ! nicm 1258: if (tty_get_flags(tty) & TERM_UTF8)
1.298 nicm 1259: return (gc);
1260:
1261: /* Replace by the right number of underscores. */
1262: n = gc->data.width;
1263: if (n > UTF8_SIZE)
1264: n = UTF8_SIZE;
1265: memcpy(&new, gc, sizeof new);
1266: new.data.size = n;
1267: memset(new.data.data, '_', n);
1268: return (&new);
1269: }
1270:
1.346 nicm 1271: static int
1272: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1273: {
1274: struct client *c = tty->client;
1275:
1276: if (c->overlay_check == NULL)
1277: return (1);
1278: return (c->overlay_check(c, px, py));
1279: }
1280:
1.176 nicm 1281: void
1.317 nicm 1282: tty_draw_line(struct tty *tty, struct window_pane *wp, struct screen *s,
1283: u_int px, u_int py, u_int nx, u_int atx, u_int aty)
1.1 nicm 1284: {
1.297 nicm 1285: struct grid *gd = s->grid;
1.250 nicm 1286: struct grid_cell gc, last;
1.298 nicm 1287: const struct grid_cell *gcp;
1.309 nicm 1288: struct grid_line *gl;
1289: u_int i, j, ux, sx, width;
1.329 nicm 1290: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1291: char buf[512];
1.315 nicm 1292: size_t len;
1.303 nicm 1293: u_int cellsize;
1.1 nicm 1294:
1.309 nicm 1295: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1296: px, py, nx, atx, aty);
1297:
1298: /*
1299: * py is the line in the screen to draw.
1300: * px is the start x and nx is the width to draw.
1301: * atx,aty is the line on the terminal to draw it.
1302: */
1303:
1.259 nicm 1304: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1305: tty->flags |= TTY_NOCURSOR;
1306: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1307:
1.214 nicm 1308: tty_region_off(tty);
1309: tty_margin_off(tty);
1310:
1.273 nicm 1311: /*
1312: * Clamp the width to cellsize - note this is not cellused, because
1313: * there may be empty background cells after it (from BCE).
1314: */
1.1 nicm 1315: sx = screen_size_x(s);
1.309 nicm 1316: if (nx > sx)
1317: nx = sx;
1.303 nicm 1318: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1319: if (sx > cellsize)
1320: sx = cellsize;
1.1 nicm 1321: if (sx > tty->sx)
1322: sx = tty->sx;
1.309 nicm 1323: if (sx > nx)
1324: sx = nx;
1.292 nicm 1325: ux = 0;
1.1 nicm 1326:
1.309 nicm 1327: if (py == 0)
1328: gl = NULL;
1329: else
1330: gl = grid_get_line(gd, gd->hsize + py - 1);
1.268 nicm 1331: if (wp == NULL ||
1.309 nicm 1332: gl == NULL ||
1333: (~gl->flags & GRID_LINE_WRAPPED) ||
1334: atx != 0 ||
1.268 nicm 1335: tty->cx < tty->sx ||
1.309 nicm 1336: nx < tty->sx) {
1337: if (nx < tty->sx &&
1338: atx == 0 &&
1339: px + sx != nx &&
1.268 nicm 1340: tty_term_has(tty->term, TTYC_EL1) &&
1341: !tty_fake_bce(tty, wp, 8)) {
1342: tty_default_attributes(tty, wp, 8);
1.309 nicm 1343: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1344: tty_putcode(tty, TTYC_EL1);
1345: cleared = 1;
1346: }
1.329 nicm 1347: } else {
1.309 nicm 1348: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1349: wrapped = 1;
1350: }
1.250 nicm 1351:
1352: memcpy(&last, &grid_default_cell, sizeof last);
1353: len = 0;
1354: width = 0;
1.46 nicm 1355:
1.1 nicm 1356: for (i = 0; i < sx; i++) {
1.309 nicm 1357: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1358: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1359: if (len != 0 &&
1.346 nicm 1360: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1361: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1362: gcp->flags != last.flags ||
1363: gcp->attr != last.attr ||
1364: gcp->fg != last.fg ||
1365: gcp->bg != last.bg ||
1.328 nicm 1366: gcp->us != last.us ||
1.315 nicm 1367: ux + width + gcp->data.width > nx ||
1.298 nicm 1368: (sizeof buf) - len < gcp->data.size)) {
1.316 nicm 1369: tty_attributes(tty, &last, wp);
1.315 nicm 1370: if (last.flags & GRID_FLAG_CLEARED) {
1371: log_debug("%s: %zu cleared", __func__, len);
1372: tty_clear_line(tty, wp, aty, atx + ux, width,
1373: last.bg);
1374: } else {
1.329 nicm 1375: if (!wrapped || atx != 0 || ux != 0)
1376: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1377: tty_putn(tty, buf, len, width);
1378: }
1.292 nicm 1379: ux += width;
1.250 nicm 1380:
1381: len = 0;
1382: width = 0;
1.329 nicm 1383: wrapped = 0;
1.250 nicm 1384: }
1385:
1.298 nicm 1386: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1387: screen_select_cell(s, &last, gcp);
1.250 nicm 1388: else
1.299 nicm 1389: memcpy(&last, gcp, sizeof last);
1.346 nicm 1390: if (!tty_check_overlay(tty, atx + ux, aty))
1391: ux += gcp->data.width;
1392: else if (ux + gcp->data.width > nx) {
1.299 nicm 1393: tty_attributes(tty, &last, wp);
1.315 nicm 1394: tty_cursor(tty, atx + ux, aty);
1.298 nicm 1395: for (j = 0; j < gcp->data.width; j++) {
1.309 nicm 1396: if (ux + j > nx)
1.297 nicm 1397: break;
1398: tty_putc(tty, ' ');
1399: ux++;
1400: }
1.299 nicm 1401: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1402: tty_attributes(tty, &last, wp);
1.315 nicm 1403: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1404: for (j = 0; j < gcp->data.size; j++)
1405: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1406: ux += gcp->data.width;
1.299 nicm 1407: } else {
1.298 nicm 1408: memcpy(buf + len, gcp->data.data, gcp->data.size);
1409: len += gcp->data.size;
1410: width += gcp->data.width;
1.250 nicm 1411: }
1412: }
1.315 nicm 1413: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.316 nicm 1414: tty_attributes(tty, &last, wp);
1.315 nicm 1415: if (last.flags & GRID_FLAG_CLEARED) {
1416: log_debug("%s: %zu cleared (end)", __func__, len);
1417: tty_clear_line(tty, wp, aty, atx + ux, width, last.bg);
1418: } else {
1.329 nicm 1419: if (!wrapped || atx != 0 || ux != 0)
1420: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1421: tty_putn(tty, buf, len, width);
1422: }
1.315 nicm 1423: ux += width;
1.1 nicm 1424: }
1425:
1.309 nicm 1426: if (!cleared && ux < nx) {
1.315 nicm 1427: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1428: nx - ux, len);
1.210 nicm 1429: tty_default_attributes(tty, wp, 8);
1.309 nicm 1430: tty_clear_line(tty, wp, aty, atx + ux, nx - ux, 8);
1.35 nicm 1431: }
1.1 nicm 1432:
1.181 nicm 1433: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1434: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1435: }
1436:
1.348 nicm 1437: void
1438: tty_sync_start(struct tty *tty)
1439: {
1.349 nicm 1440: if (tty_get_flags(tty) & TERM_SYNC)
1.348 nicm 1441: tty_puts(tty, "\033P=1s\033\\");
1442: }
1443:
1444: void
1445: tty_sync_end(struct tty *tty)
1446: {
1.349 nicm 1447: if (tty_get_flags(tty) & TERM_SYNC)
1.348 nicm 1448: tty_puts(tty, "\033P=2s\033\\");
1449: }
1450:
1.201 nicm 1451: static int
1.182 nicm 1452: tty_client_ready(struct client *c, struct window_pane *wp)
1453: {
1454: if (c->session == NULL || c->tty.term == NULL)
1455: return (0);
1.305 nicm 1456: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1457: return (0);
1458: if (c->tty.flags & TTY_FREEZE)
1459: return (0);
1460: if (c->session->curw->window != wp->window)
1461: return (0);
1.309 nicm 1462: if (wp->layout_cell == NULL)
1463: return (0);
1.182 nicm 1464: return (1);
1465: }
1466:
1.15 nicm 1467: void
1.182 nicm 1468: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1469: struct tty_ctx *ctx)
1.15 nicm 1470: {
1471: struct window_pane *wp = ctx->wp;
1472: struct client *c;
1473:
1474: if (wp == NULL)
1475: return;
1.309 nicm 1476: if (wp->flags & (PANE_REDRAW|PANE_DROP))
1.15 nicm 1477: return;
1478:
1.178 nicm 1479: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 1480: if (!tty_client_ready(c, wp))
1.15 nicm 1481: continue;
1482:
1.309 nicm 1483: ctx->bigger = tty_window_offset(&c->tty, &ctx->ox, &ctx->oy,
1484: &ctx->sx, &ctx->sy);
1485:
1.139 nicm 1486: ctx->xoff = wp->xoff;
1487: ctx->yoff = wp->yoff;
1.309 nicm 1488:
1.139 nicm 1489: if (status_at_line(c) == 0)
1.309 nicm 1490: ctx->yoff += status_line_size(c);
1.113 nicm 1491:
1.139 nicm 1492: cmdfn(&c->tty, ctx);
1.1 nicm 1493: }
1494: }
1495:
1496: void
1.24 nicm 1497: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1498: {
1.77 nicm 1499: struct window_pane *wp = ctx->wp;
1.1 nicm 1500:
1.309 nicm 1501: if (ctx->bigger ||
1502: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1503: tty_fake_bce(tty, wp, ctx->bg) ||
1504: (!tty_term_has(tty->term, TTYC_ICH) &&
1505: !tty_term_has(tty->term, TTYC_ICH1))) {
1.309 nicm 1506: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1507: return;
1508: }
1509:
1.210 nicm 1510: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1511:
1.77 nicm 1512: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1513:
1.206 nicm 1514: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1515: }
1516:
1517: void
1.24 nicm 1518: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1519: {
1.77 nicm 1520: struct window_pane *wp = ctx->wp;
1.1 nicm 1521:
1.309 nicm 1522: if (ctx->bigger ||
1523: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1524: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 1525: (!tty_term_has(tty->term, TTYC_DCH) &&
1526: !tty_term_has(tty->term, TTYC_DCH1))) {
1.309 nicm 1527: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1528: return;
1529: }
1530:
1.210 nicm 1531: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1532:
1.77 nicm 1533: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1534:
1.206 nicm 1535: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1536: }
1537:
1538: void
1539: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1540: {
1.309 nicm 1541: if (ctx->bigger) {
1542: tty_draw_pane(tty, ctx, ctx->ocy);
1543: return;
1544: }
1545:
1.275 nicm 1546: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.146 nicm 1547:
1548: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1549:
1.210 nicm 1550: if (tty_term_has(tty->term, TTYC_ECH) &&
1.262 nicm 1551: !tty_fake_bce(tty, ctx->wp, 8))
1.146 nicm 1552: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1553: else
1554: tty_repeat_space(tty, ctx->num);
1.1 nicm 1555: }
1556:
1557: void
1.24 nicm 1558: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1559: {
1.309 nicm 1560: if (ctx->bigger ||
1561: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1562: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 1563: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1564: !tty_term_has(tty->term, TTYC_IL1) ||
1565: ctx->wp->sx == 1 ||
1566: ctx->wp->sy == 1) {
1.14 nicm 1567: tty_redraw_region(tty, ctx);
1.1 nicm 1568: return;
1569: }
1570:
1.210 nicm 1571: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1572:
1.77 nicm 1573: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1574: tty_margin_off(tty);
1.77 nicm 1575: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1576:
1.12 nicm 1577: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1578: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1579: }
1580:
1581: void
1.24 nicm 1582: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1583: {
1.309 nicm 1584: if (ctx->bigger ||
1585: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1586: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 1587: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1588: !tty_term_has(tty->term, TTYC_DL1) ||
1589: ctx->wp->sx == 1 ||
1590: ctx->wp->sy == 1) {
1.14 nicm 1591: tty_redraw_region(tty, ctx);
1.1 nicm 1592: return;
1593: }
1594:
1.210 nicm 1595: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1596:
1.77 nicm 1597: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1598: tty_margin_off(tty);
1.77 nicm 1599: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1600:
1.12 nicm 1601: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1602: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1603: }
1604:
1605: void
1.24 nicm 1606: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1607: {
1.77 nicm 1608: struct window_pane *wp = ctx->wp;
1.309 nicm 1609: u_int nx;
1.1 nicm 1610:
1.210 nicm 1611: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1612:
1.271 nicm 1613: nx = screen_size_x(wp->screen);
1.309 nicm 1614: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, nx, ctx->bg);
1.1 nicm 1615: }
1616:
1617: void
1.24 nicm 1618: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1619: {
1.77 nicm 1620: struct window_pane *wp = ctx->wp;
1.309 nicm 1621: u_int nx;
1.1 nicm 1622:
1.210 nicm 1623: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1624:
1.271 nicm 1625: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1626: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1627: }
1628:
1629: void
1.24 nicm 1630: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1631: {
1.210 nicm 1632: struct window_pane *wp = ctx->wp;
1633:
1634: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1635:
1.309 nicm 1636: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1637: }
1638:
1639: void
1.24 nicm 1640: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1641: {
1.278 nicm 1642: struct window_pane *wp = ctx->wp;
1643:
1.56 nicm 1644: if (ctx->ocy != ctx->orupper)
1645: return;
1646:
1.309 nicm 1647: if (ctx->bigger ||
1.331 nicm 1648: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.278 nicm 1649: tty_fake_bce(tty, wp, 8) ||
1.70 nicm 1650: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1651: (!tty_term_has(tty->term, TTYC_RI) &&
1652: !tty_term_has(tty->term, TTYC_RIN)) ||
1.307 nicm 1653: ctx->wp->sx == 1 ||
1654: ctx->wp->sy == 1) {
1.14 nicm 1655: tty_redraw_region(tty, ctx);
1.1 nicm 1656: return;
1657: }
1658:
1.278 nicm 1659: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1660:
1.56 nicm 1661: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1662: tty_margin_pane(tty, ctx);
1.56 nicm 1663: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1664:
1.331 nicm 1665: if (tty_term_has(tty->term, TTYC_RI))
1666: tty_putcode(tty, TTYC_RI);
1667: else
1668: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1669: }
1670:
1671: void
1.24 nicm 1672: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1673: {
1.77 nicm 1674: struct window_pane *wp = ctx->wp;
1.1 nicm 1675:
1.56 nicm 1676: if (ctx->ocy != ctx->orlower)
1677: return;
1678:
1.309 nicm 1679: if (ctx->bigger ||
1680: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1681: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1682: !tty_term_has(tty->term, TTYC_CSR) ||
1683: wp->sx == 1 ||
1684: wp->sy == 1) {
1.236 nicm 1685: tty_redraw_region(tty, ctx);
1.1 nicm 1686: return;
1687: }
1.52 nicm 1688:
1.278 nicm 1689: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1690:
1.56 nicm 1691: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1692: tty_margin_pane(tty, ctx);
1693:
1694: /*
1.301 nicm 1695: * If we want to wrap a pane while using margins, the cursor needs to
1696: * be exactly on the right of the region. If the cursor is entirely off
1697: * the edge - move it back to the right. Some terminals are funny about
1698: * this and insert extra spaces, so only use the right if margins are
1699: * enabled.
1.212 nicm 1700: */
1.301 nicm 1701: if (ctx->xoff + ctx->ocx > tty->rright) {
1702: if (!tty_use_margin(tty))
1703: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1704: else
1705: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1706: } else
1.212 nicm 1707: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1708:
1.56 nicm 1709: tty_putc(tty, '\n');
1.240 nicm 1710: }
1711:
1712: void
1713: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1714: {
1715: struct window_pane *wp = ctx->wp;
1.284 nicm 1716: u_int i;
1.240 nicm 1717:
1.309 nicm 1718: if (ctx->bigger ||
1719: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1720: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1721: !tty_term_has(tty->term, TTYC_CSR) ||
1722: wp->sx == 1 ||
1723: wp->sy == 1) {
1.240 nicm 1724: tty_redraw_region(tty, ctx);
1725: return;
1726: }
1727:
1.278 nicm 1728: tty_default_attributes(tty, wp, ctx->bg);
1.240 nicm 1729:
1730: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1731: tty_margin_pane(tty, ctx);
1732:
1.284 nicm 1733: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1734: if (!tty_use_margin(tty))
1735: tty_cursor(tty, 0, tty->rlower);
1736: else
1737: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1738: for (i = 0; i < ctx->num; i++)
1.240 nicm 1739: tty_putc(tty, '\n');
1.301 nicm 1740: } else {
1741: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1742: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1743: }
1744: }
1745:
1746: void
1747: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1748: {
1749: struct window_pane *wp = ctx->wp;
1750: u_int i;
1751:
1752: if (ctx->bigger ||
1753: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1754: tty_fake_bce(tty, wp, 8) ||
1755: !tty_term_has(tty->term, TTYC_CSR) ||
1756: (!tty_term_has(tty->term, TTYC_RI) &&
1757: !tty_term_has(tty->term, TTYC_RIN)) ||
1758: wp->sx == 1 ||
1759: wp->sy == 1) {
1760: tty_redraw_region(tty, ctx);
1761: return;
1762: }
1763:
1764: tty_default_attributes(tty, wp, ctx->bg);
1765:
1766: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1767: tty_margin_pane(tty, ctx);
1768: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1769:
1770: if (tty_term_has(tty->term, TTYC_RIN))
1771: tty_putcode1(tty, TTYC_RIN, ctx->num);
1772: else {
1773: for (i = 0; i < ctx->num; i++)
1774: tty_putcode(tty, TTYC_RI);
1.301 nicm 1775: }
1.1 nicm 1776: }
1777:
1778: void
1.24 nicm 1779: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1780: {
1.77 nicm 1781: struct window_pane *wp = ctx->wp;
1.271 nicm 1782: u_int px, py, nx, ny;
1.1 nicm 1783:
1.210 nicm 1784: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1785:
1.271 nicm 1786: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1787: tty_margin_off(tty);
1.39 nicm 1788:
1.309 nicm 1789: px = 0;
1.271 nicm 1790: nx = screen_size_x(wp->screen);
1.309 nicm 1791: py = ctx->ocy + 1;
1.271 nicm 1792: ny = screen_size_y(wp->screen) - ctx->ocy - 1;
1793:
1.309 nicm 1794: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1795:
1.309 nicm 1796: px = ctx->ocx;
1.271 nicm 1797: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1798: py = ctx->ocy;
1.271 nicm 1799:
1.309 nicm 1800: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1801: }
1802:
1803: void
1.24 nicm 1804: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1805: {
1.77 nicm 1806: struct window_pane *wp = ctx->wp;
1.271 nicm 1807: u_int px, py, nx, ny;
1.1 nicm 1808:
1.227 nicm 1809: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1810:
1.271 nicm 1811: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1812: tty_margin_off(tty);
1.39 nicm 1813:
1.309 nicm 1814: px = 0;
1.271 nicm 1815: nx = screen_size_x(wp->screen);
1.309 nicm 1816: py = 0;
1.319 nicm 1817: ny = ctx->ocy;
1.271 nicm 1818:
1.309 nicm 1819: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1820:
1.309 nicm 1821: px = 0;
1.271 nicm 1822: nx = ctx->ocx + 1;
1.309 nicm 1823: py = ctx->ocy;
1.271 nicm 1824:
1.309 nicm 1825: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1826: }
1827:
1828: void
1.24 nicm 1829: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1830: {
1.77 nicm 1831: struct window_pane *wp = ctx->wp;
1.271 nicm 1832: u_int px, py, nx, ny;
1.1 nicm 1833:
1.210 nicm 1834: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1835:
1.271 nicm 1836: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1837: tty_margin_off(tty);
1.39 nicm 1838:
1.309 nicm 1839: px = 0;
1.271 nicm 1840: nx = screen_size_x(wp->screen);
1.309 nicm 1841: py = 0;
1.271 nicm 1842: ny = screen_size_y(wp->screen);
1843:
1.309 nicm 1844: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1845: }
1846:
1847: void
1.24 nicm 1848: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1849: {
1.12 nicm 1850: struct window_pane *wp = ctx->wp;
1851: struct screen *s = wp->screen;
1852: u_int i, j;
1.4 nicm 1853:
1.309 nicm 1854: if (ctx->bigger) {
1855: wp->flags |= PANE_REDRAW;
1856: return;
1857: }
1858:
1.176 nicm 1859: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1860:
1.39 nicm 1861: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1862: tty_margin_off(tty);
1.4 nicm 1863:
1864: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1865: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1866: for (i = 0; i < screen_size_x(s); i++)
1867: tty_putc(tty, 'E');
1.1 nicm 1868: }
1869: }
1870:
1871: void
1.24 nicm 1872: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1873: {
1.309 nicm 1874: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1))
1875: return;
1876:
1877: if (ctx->xoff + ctx->ocx - ctx->ox > tty->sx - 1 &&
1.306 nicm 1878: ctx->ocy == ctx->orlower &&
1879: tty_pane_full_width(tty, ctx))
1880: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1881:
1.306 nicm 1882: tty_margin_off(tty);
1.253 nicm 1883: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1884:
1.237 nicm 1885: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1886: }
1887:
1888: void
1889: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1890: {
1.309 nicm 1891: struct window_pane *wp = ctx->wp;
1892:
1893: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1894: return;
1895:
1896: if (ctx->bigger &&
1897: (ctx->xoff + ctx->ocx < ctx->ox ||
1898: ctx->xoff + ctx->ocx + ctx->num > ctx->ox + ctx->sx)) {
1899: if (!ctx->wrapped ||
1900: !tty_pane_full_width(tty, ctx) ||
1.349 nicm 1901: (tty_get_flags(tty) & TERM_NOXENL) ||
1.309 nicm 1902: ctx->xoff + ctx->ocx != 0 ||
1903: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1904: tty->cx < tty->sx ||
1905: tty->cy == tty->rlower)
1906: tty_draw_pane(tty, ctx, ctx->ocy);
1907: else
1908: wp->flags |= PANE_REDRAW;
1909: return;
1910: }
1911:
1.306 nicm 1912: tty_margin_off(tty);
1.253 nicm 1913: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1914:
1915: tty_attributes(tty, ctx->cell, ctx->wp);
1916: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1917: }
1918:
1919: void
1920: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1921: {
1922: char *buf;
1923: size_t off;
1924:
1925: if (!tty_term_has(tty->term, TTYC_MS))
1926: return;
1927:
1928: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1929: buf = xmalloc(off);
1930:
1931: b64_ntop(ctx->ptr, ctx->num, buf, off);
1932: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1933:
1.138 nicm 1934: free(buf);
1.100 nicm 1935: }
1936:
1937: void
1938: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1939: {
1.256 nicm 1940: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1941: tty_invalidate(tty);
1.348 nicm 1942: }
1943:
1944: void
1945: tty_cmd_syncstart(struct tty *tty, __unused const struct tty_ctx *ctx)
1946: {
1947: tty_sync_start(tty);
1948: }
1949:
1950: void
1951: tty_cmd_syncend(struct tty *tty, __unused const struct tty_ctx *ctx)
1952: {
1953: tty_sync_end(tty);
1.1 nicm 1954: }
1955:
1.207 nicm 1956: static void
1.317 nicm 1957: tty_cell(struct tty *tty, const struct grid_cell *gc, struct window_pane *wp)
1.1 nicm 1958: {
1.298 nicm 1959: const struct grid_cell *gcp;
1.1 nicm 1960:
1961: /* Skip last character if terminal is stupid. */
1.349 nicm 1962: if ((tty_get_flags(tty) & TERM_NOXENL) &&
1.211 nicm 1963: tty->cy == tty->sy - 1 &&
1964: tty->cx == tty->sx - 1)
1.1 nicm 1965: return;
1966:
1967: /* If this is a padding character, do nothing. */
1968: if (gc->flags & GRID_FLAG_PADDING)
1969: return;
1970:
1971: /* Set the attributes. */
1.176 nicm 1972: tty_attributes(tty, gc, wp);
1.1 nicm 1973:
1.147 nicm 1974: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.298 nicm 1975: gcp = tty_check_codeset(tty, gc);
1976: if (gcp->data.size == 1) {
1977: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 1978: return;
1.298 nicm 1979: tty_putc(tty, *gcp->data.data);
1.1 nicm 1980: return;
1981: }
1982:
1.147 nicm 1983: /* Write the data. */
1.298 nicm 1984: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 1985: }
1986:
1987: void
1988: tty_reset(struct tty *tty)
1989: {
1990: struct grid_cell *gc = &tty->cell;
1991:
1.228 nicm 1992: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 1993: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 1994: tty_putcode(tty, TTYC_RMACS);
1995: tty_putcode(tty, TTYC_SGR0);
1996: memcpy(gc, &grid_default_cell, sizeof *gc);
1997: }
1.1 nicm 1998:
1.228 nicm 1999: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
2000: tty->last_wp = -1;
1.242 nicm 2001: }
2002:
2003: static void
2004: tty_invalidate(struct tty *tty)
2005: {
2006: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
2007:
2008: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
2009: tty->last_wp = -1;
2010:
2011: tty->cx = tty->cy = UINT_MAX;
2012:
2013: tty->rupper = tty->rleft = UINT_MAX;
2014: tty->rlower = tty->rright = UINT_MAX;
2015:
2016: if (tty->flags & TTY_STARTED) {
1.330 nicm 2017: if (tty_use_margin(tty))
2018: tty_puts(tty, "\033[?69h"); /* DECLRMM */
1.242 nicm 2019: tty_putcode(tty, TTYC_SGR0);
2020:
2021: tty->mode = ALL_MODES;
2022: tty_update_mode(tty, MODE_CURSOR, NULL);
2023:
2024: tty_cursor(tty, 0, 0);
2025: tty_region_off(tty);
2026: tty_margin_off(tty);
2027: } else
2028: tty->mode = MODE_CURSOR;
1.1 nicm 2029: }
2030:
1.214 nicm 2031: /* Turn off margin. */
2032: void
2033: tty_region_off(struct tty *tty)
2034: {
2035: tty_region(tty, 0, tty->sy - 1);
2036: }
2037:
1.40 nicm 2038: /* Set region inside pane. */
1.208 nicm 2039: static void
1.196 nicm 2040: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
2041: u_int rlower)
1.1 nicm 2042: {
1.309 nicm 2043: tty_region(tty, ctx->yoff + rupper - ctx->oy,
2044: ctx->yoff + rlower - ctx->oy);
1.39 nicm 2045: }
2046:
1.40 nicm 2047: /* Set region at absolute position. */
1.214 nicm 2048: static void
1.40 nicm 2049: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2050: {
2051: if (tty->rlower == rlower && tty->rupper == rupper)
2052: return;
1.1 nicm 2053: if (!tty_term_has(tty->term, TTYC_CSR))
2054: return;
1.39 nicm 2055:
2056: tty->rupper = rupper;
2057: tty->rlower = rlower;
1.55 nicm 2058:
2059: /*
2060: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2061: * 0,0 if it is beyond the last column (they do not reset their wrap
2062: * flag so further output causes a line feed). As a workaround, do an
2063: * explicit move to 0 first.
2064: */
2065: if (tty->cx >= tty->sx)
2066: tty_cursor(tty, 0, tty->cy);
1.42 nicm 2067:
1.39 nicm 2068: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2069: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2070: }
2071:
1.214 nicm 2072: /* Turn off margin. */
2073: void
2074: tty_margin_off(struct tty *tty)
2075: {
2076: tty_margin(tty, 0, tty->sx - 1);
2077: }
2078:
1.212 nicm 2079: /* Set margin inside pane. */
2080: static void
2081: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2082: {
1.309 nicm 2083: tty_margin(tty, ctx->xoff - ctx->ox,
2084: ctx->xoff + ctx->wp->sx - 1 - ctx->ox);
1.212 nicm 2085: }
2086:
2087: /* Set margin at absolute position. */
1.214 nicm 2088: static void
1.212 nicm 2089: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2090: {
2091: char s[64];
2092:
2093: if (!tty_use_margin(tty))
2094: return;
2095: if (tty->rleft == rleft && tty->rright == rright)
2096: return;
2097:
1.232 nicm 2098: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2099:
1.212 nicm 2100: tty->rleft = rleft;
2101: tty->rright = rright;
2102:
1.232 nicm 2103: if (rleft == 0 && rright == tty->sx - 1)
2104: snprintf(s, sizeof s, "\033[s");
2105: else
2106: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 2107: tty_puts(tty, s);
1.249 nicm 2108: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2109: }
2110:
2111: /*
2112: * Move the cursor, unless it would wrap itself when the next character is
2113: * printed.
2114: */
2115: static void
2116: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2117: u_int cx, u_int cy)
2118: {
1.268 nicm 2119: if (!ctx->wrapped ||
2120: !tty_pane_full_width(tty, ctx) ||
1.349 nicm 2121: (tty_get_flags(tty) & TERM_NOXENL) ||
1.253 nicm 2122: ctx->xoff + cx != 0 ||
2123: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2124: tty->cx < tty->sx ||
2125: tty->cy == tty->rlower)
1.253 nicm 2126: tty_cursor_pane(tty, ctx, cx, cy);
2127: else
2128: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2129: }
2130:
1.42 nicm 2131: /* Move cursor inside pane. */
1.208 nicm 2132: static void
1.41 nicm 2133: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2134: {
1.309 nicm 2135: tty_cursor(tty, ctx->xoff + cx - ctx->ox, ctx->yoff + cy - ctx->oy);
1.41 nicm 2136: }
2137:
1.42 nicm 2138: /* Move cursor to absolute position. */
1.41 nicm 2139: void
2140: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2141: {
1.42 nicm 2142: struct tty_term *term = tty->term;
2143: u_int thisx, thisy;
2144: int change;
1.77 nicm 2145:
1.42 nicm 2146: if (cx > tty->sx - 1)
2147: cx = tty->sx - 1;
2148:
2149: thisx = tty->cx;
2150: thisy = tty->cy;
2151:
2152: /* No change. */
2153: if (cx == thisx && cy == thisy)
2154: return;
2155:
1.43 nicm 2156: /* Very end of the line, just use absolute movement. */
2157: if (thisx > tty->sx - 1)
2158: goto absolute;
2159:
1.42 nicm 2160: /* Move to home position (0, 0). */
2161: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2162: tty_putcode(tty, TTYC_HOME);
2163: goto out;
2164: }
2165:
2166: /* Zero on the next line. */
1.293 nicm 2167: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2168: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2169: tty_putc(tty, '\r');
1.42 nicm 2170: tty_putc(tty, '\n');
2171: goto out;
2172: }
2173:
1.45 nicm 2174: /* Moving column or row. */
1.42 nicm 2175: if (cy == thisy) {
1.45 nicm 2176: /*
2177: * Moving column only, row staying the same.
2178: */
2179:
1.42 nicm 2180: /* To left edge. */
1.294 nicm 2181: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2182: tty_putc(tty, '\r');
2183: goto out;
2184: }
2185:
2186: /* One to the left. */
2187: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2188: tty_putcode(tty, TTYC_CUB1);
2189: goto out;
2190: }
2191:
2192: /* One to the right. */
2193: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2194: tty_putcode(tty, TTYC_CUF1);
2195: goto out;
2196: }
2197:
2198: /* Calculate difference. */
2199: change = thisx - cx; /* +ve left, -ve right */
2200:
2201: /*
2202: * Use HPA if change is larger than absolute, otherwise move
2203: * the cursor with CUB/CUF.
2204: */
1.87 nicm 2205: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2206: tty_putcode1(tty, TTYC_HPA, cx);
2207: goto out;
1.333 nicm 2208: } else if (change > 0 &&
2209: tty_term_has(term, TTYC_CUB) &&
2210: !tty_use_margin(tty)) {
1.202 nicm 2211: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2212: tty_putcode(tty, TTYC_CUB1);
2213: tty_putcode(tty, TTYC_CUB1);
2214: goto out;
2215: }
1.42 nicm 2216: tty_putcode1(tty, TTYC_CUB, change);
2217: goto out;
1.333 nicm 2218: } else if (change < 0 &&
2219: tty_term_has(term, TTYC_CUF) &&
2220: !tty_use_margin(tty)) {
1.42 nicm 2221: tty_putcode1(tty, TTYC_CUF, -change);
2222: goto out;
2223: }
1.45 nicm 2224: } else if (cx == thisx) {
2225: /*
2226: * Moving row only, column staying the same.
2227: */
1.42 nicm 2228:
2229: /* One above. */
1.77 nicm 2230: if (thisy != tty->rupper &&
1.42 nicm 2231: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2232: tty_putcode(tty, TTYC_CUU1);
2233: goto out;
2234: }
2235:
2236: /* One below. */
1.49 nicm 2237: if (thisy != tty->rlower &&
1.42 nicm 2238: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2239: tty_putcode(tty, TTYC_CUD1);
2240: goto out;
2241: }
2242:
2243: /* Calculate difference. */
2244: change = thisy - cy; /* +ve up, -ve down */
2245:
2246: /*
1.77 nicm 2247: * Try to use VPA if change is larger than absolute or if this
2248: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2249: */
1.87 nicm 2250: if ((u_int) abs(change) > cy ||
1.42 nicm 2251: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2252: (change > 0 && cy - change < tty->rupper)) {
2253: if (tty_term_has(term, TTYC_VPA)) {
2254: tty_putcode1(tty, TTYC_VPA, cy);
2255: goto out;
2256: }
1.42 nicm 2257: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2258: tty_putcode1(tty, TTYC_CUU, change);
2259: goto out;
2260: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2261: tty_putcode1(tty, TTYC_CUD, -change);
2262: goto out;
2263: }
2264: }
2265:
1.43 nicm 2266: absolute:
1.42 nicm 2267: /* Absolute movement. */
2268: tty_putcode2(tty, TTYC_CUP, cy, cx);
2269:
2270: out:
2271: tty->cx = cx;
2272: tty->cy = cy;
1.1 nicm 2273: }
2274:
2275: void
1.176 nicm 2276: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.317 nicm 2277: struct window_pane *wp)
1.1 nicm 2278: {
1.63 nicm 2279: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2280: int changed;
1.61 nicm 2281:
1.228 nicm 2282: /* Ignore cell if it is the same as the last one. */
2283: if (wp != NULL &&
2284: (int)wp->id == tty->last_wp &&
1.326 nicm 2285: ~(wp->flags & PANE_STYLECHANGED) &&
1.228 nicm 2286: gc->attr == tty->last_cell.attr &&
2287: gc->fg == tty->last_cell.fg &&
1.328 nicm 2288: gc->bg == tty->last_cell.bg &&
2289: gc->us == tty->last_cell.us)
1.228 nicm 2290: return;
2291: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
2292: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
2293:
2294: /* Copy cell and update default colours. */
1.85 nicm 2295: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 2296: if (wp != NULL)
2297: tty_default_colours(&gc2, wp);
1.63 nicm 2298:
1.18 nicm 2299: /*
2300: * If no setab, try to use the reverse attribute as a best-effort for a
2301: * non-default background. This is a bit of a hack but it doesn't do
2302: * any serious harm and makes a couple of applications happier.
2303: */
2304: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2305: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2306: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2307: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2308: } else {
1.310 nicm 2309: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2310: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2311: }
2312: }
1.1 nicm 2313:
1.85 nicm 2314: /* Fix up the colours if necessary. */
1.219 nicm 2315: tty_check_fg(tty, wp, &gc2);
2316: tty_check_bg(tty, wp, &gc2);
1.328 nicm 2317: tty_check_us(tty, wp, &gc2);
1.85 nicm 2318:
1.328 nicm 2319: /*
2320: * If any bits are being cleared or the underline colour is now default,
2321: * reset everything.
2322: */
2323: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2324: tty_reset(tty);
2325:
2326: /*
2327: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2328: * may add to (NOT remove) the desired attributes.
1.64 nicm 2329: */
1.85 nicm 2330: tty_colours(tty, &gc2);
1.64 nicm 2331:
1.1 nicm 2332: /* Filter out attribute bits already set. */
1.85 nicm 2333: changed = gc2.attr & ~tc->attr;
2334: tc->attr = gc2.attr;
1.1 nicm 2335:
2336: /* Set the attributes. */
2337: if (changed & GRID_ATTR_BRIGHT)
2338: tty_putcode(tty, TTYC_BOLD);
2339: if (changed & GRID_ATTR_DIM)
2340: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2341: if (changed & GRID_ATTR_ITALICS)
2342: tty_set_italics(tty);
1.308 nicm 2343: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2344: if ((changed & GRID_ATTR_UNDERSCORE) ||
2345: !tty_term_has(tty->term, TTYC_SMULX))
2346: tty_putcode(tty, TTYC_SMUL);
2347: else if (changed & GRID_ATTR_UNDERSCORE_2)
2348: tty_putcode1(tty, TTYC_SMULX, 2);
2349: else if (changed & GRID_ATTR_UNDERSCORE_3)
2350: tty_putcode1(tty, TTYC_SMULX, 3);
2351: else if (changed & GRID_ATTR_UNDERSCORE_4)
2352: tty_putcode1(tty, TTYC_SMULX, 4);
2353: else if (changed & GRID_ATTR_UNDERSCORE_5)
2354: tty_putcode1(tty, TTYC_SMULX, 5);
2355: }
1.1 nicm 2356: if (changed & GRID_ATTR_BLINK)
2357: tty_putcode(tty, TTYC_BLINK);
2358: if (changed & GRID_ATTR_REVERSE) {
2359: if (tty_term_has(tty->term, TTYC_REV))
2360: tty_putcode(tty, TTYC_REV);
2361: else if (tty_term_has(tty->term, TTYC_SMSO))
2362: tty_putcode(tty, TTYC_SMSO);
2363: }
2364: if (changed & GRID_ATTR_HIDDEN)
2365: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2366: if (changed & GRID_ATTR_STRIKETHROUGH)
2367: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2368: if (changed & GRID_ATTR_OVERLINE)
2369: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2370: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2371: tty_putcode(tty, TTYC_SMACS);
2372: }
2373:
1.207 nicm 2374: static void
1.85 nicm 2375: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2376: {
1.61 nicm 2377: struct grid_cell *tc = &tty->cell;
1.204 nicm 2378: int have_ax;
1.61 nicm 2379:
2380: /* No changes? Nothing is necessary. */
1.328 nicm 2381: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2382: return;
1.1 nicm 2383:
1.61 nicm 2384: /*
2385: * Is either the default colour? This is handled specially because the
2386: * best solution might be to reset both colours to default, in which
2387: * case if only one is default need to fall onward to set the other
2388: * colour.
2389: */
1.310 nicm 2390: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2391: /*
2392: * If don't have AX but do have op, send sgr0 (op can't
2393: * actually be used because it is sometimes the same as sgr0
2394: * and sometimes isn't). This resets both colours to default.
2395: *
2396: * Otherwise, try to set the default colour only as needed.
2397: */
1.174 nicm 2398: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2399: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2400: tty_reset(tty);
2401: else {
1.310 nicm 2402: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2403: if (have_ax)
2404: tty_puts(tty, "\033[39m");
1.204 nicm 2405: else if (tc->fg != 7)
1.61 nicm 2406: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2407: tc->fg = gc->fg;
1.61 nicm 2408: }
1.310 nicm 2409: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2410: if (have_ax)
1.61 nicm 2411: tty_puts(tty, "\033[49m");
1.204 nicm 2412: else if (tc->bg != 0)
1.61 nicm 2413: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2414: tc->bg = gc->bg;
1.61 nicm 2415: }
2416: }
2417: }
1.1 nicm 2418:
1.61 nicm 2419: /* Set the foreground colour. */
1.310 nicm 2420: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2421: tty_colours_fg(tty, gc);
1.1 nicm 2422:
1.61 nicm 2423: /*
2424: * Set the background colour. This must come after the foreground as
2425: * tty_colour_fg() can call tty_reset().
2426: */
1.310 nicm 2427: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2428: tty_colours_bg(tty, gc);
1.328 nicm 2429:
2430: /* Set the underscore color. */
2431: if (gc->us != tc->us)
2432: tty_colours_us(tty, gc);
1.1 nicm 2433: }
2434:
1.219 nicm 2435: static void
1.317 nicm 2436: tty_check_fg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2437: {
1.204 nicm 2438: u_char r, g, b;
2439: u_int colours;
1.223 nicm 2440: int c;
1.85 nicm 2441:
1.288 nicm 2442: /*
2443: * Perform substitution if this pane has a palette. If the bright
2444: * attribute is set, use the bright entry in the palette by changing to
2445: * the aixterm colour.
2446: */
2447: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2448: c = gc->fg;
1.289 nicm 2449: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2450: c += 90;
2451: if ((c = window_pane_get_palette(wp, c)) != -1)
2452: gc->fg = c;
2453: }
1.219 nicm 2454:
1.199 nicm 2455: /* Is this a 24-bit colour? */
1.204 nicm 2456: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2457: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.349 nicm 2458: if (tty_get_flags(tty) & TERM_RGBCOLOURS)
1.200 nicm 2459: return;
1.341 nicm 2460: colour_split_rgb(gc->fg, &r, &g, &b);
2461: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2462: }
1.224 nicm 2463:
2464: /* How many colours does this terminal have? */
1.349 nicm 2465: if (tty_get_flags(tty) & TERM_256COLOURS)
1.224 nicm 2466: colours = 256;
2467: else
2468: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2469:
1.85 nicm 2470: /* Is this a 256-colour colour? */
1.204 nicm 2471: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2472: /* And not a 256 colour mode? */
1.224 nicm 2473: if (colours != 256) {
1.85 nicm 2474: gc->fg = colour_256to16(gc->fg);
2475: if (gc->fg & 8) {
2476: gc->fg &= 7;
1.175 nicm 2477: if (colours >= 16)
2478: gc->fg += 90;
1.332 nicm 2479: }
1.85 nicm 2480: }
2481: return;
2482: }
2483:
2484: /* Is this an aixterm colour? */
2485: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2486: gc->fg -= 90;
2487: gc->attr |= GRID_ATTR_BRIGHT;
2488: }
2489: }
2490:
1.219 nicm 2491: static void
1.317 nicm 2492: tty_check_bg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2493: {
1.204 nicm 2494: u_char r, g, b;
2495: u_int colours;
1.223 nicm 2496: int c;
1.85 nicm 2497:
1.288 nicm 2498: /* Perform substitution if this pane has a palette. */
2499: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2500: if ((c = window_pane_get_palette(wp, gc->bg)) != -1)
2501: gc->bg = c;
2502: }
1.219 nicm 2503:
1.199 nicm 2504: /* Is this a 24-bit colour? */
1.204 nicm 2505: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2506: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.349 nicm 2507: if (tty_get_flags(tty) & TERM_RGBCOLOURS)
1.200 nicm 2508: return;
1.341 nicm 2509: colour_split_rgb(gc->bg, &r, &g, &b);
2510: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2511: }
1.224 nicm 2512:
2513: /* How many colours does this terminal have? */
1.349 nicm 2514: if (tty_get_flags(tty) & TERM_256COLOURS)
1.224 nicm 2515: colours = 256;
2516: else
2517: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2518:
1.85 nicm 2519: /* Is this a 256-colour colour? */
1.204 nicm 2520: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2521: /*
2522: * And not a 256 colour mode? Translate to 16-colour
2523: * palette. Bold background doesn't exist portably, so just
2524: * discard the bold bit if set.
2525: */
1.224 nicm 2526: if (colours != 256) {
1.85 nicm 2527: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2528: if (gc->bg & 8) {
1.85 nicm 2529: gc->bg &= 7;
1.175 nicm 2530: if (colours >= 16)
1.322 nicm 2531: gc->bg += 90;
1.175 nicm 2532: }
1.85 nicm 2533: }
2534: return;
2535: }
2536:
2537: /* Is this an aixterm colour? */
1.175 nicm 2538: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2539: gc->bg -= 90;
2540: }
2541:
1.207 nicm 2542: static void
1.335 nicm 2543: tty_check_us(__unused struct tty *tty, struct window_pane *wp,
2544: struct grid_cell *gc)
1.328 nicm 2545: {
2546: int c;
2547:
2548: /* Perform substitution if this pane has a palette. */
2549: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2550: if ((c = window_pane_get_palette(wp, gc->us)) != -1)
2551: gc->us = c;
2552: }
2553:
2554: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2555: if (gc->us & COLOUR_FLAG_256)
2556: gc->us = colour_256toRGB (gc->us);
2557: }
2558:
2559: static void
1.85 nicm 2560: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2561: {
1.61 nicm 2562: struct grid_cell *tc = &tty->cell;
1.79 nicm 2563: char s[32];
1.1 nicm 2564:
1.204 nicm 2565: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2566: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2567: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 2568: goto save_fg;
1.199 nicm 2569: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2570: return;
1.1 nicm 2571: }
2572:
1.79 nicm 2573: /* Is this an aixterm bright colour? */
1.204 nicm 2574: if (gc->fg >= 90 && gc->fg <= 97) {
1.349 nicm 2575: if (tty_get_flags(tty) & TERM_256COLOURS) {
1.323 nicm 2576: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2577: tty_puts(tty, s);
2578: } else
2579: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.85 nicm 2580: goto save_fg;
1.79 nicm 2581: }
2582:
1.61 nicm 2583: /* Otherwise set the foreground colour. */
1.204 nicm 2584: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2585:
1.77 nicm 2586: save_fg:
1.61 nicm 2587: /* Save the new values in the terminal current cell. */
1.204 nicm 2588: tc->fg = gc->fg;
1.1 nicm 2589: }
2590:
1.207 nicm 2591: static void
1.73 nicm 2592: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2593: {
1.61 nicm 2594: struct grid_cell *tc = &tty->cell;
1.79 nicm 2595: char s[32];
1.1 nicm 2596:
1.204 nicm 2597: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2598: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2599: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 2600: goto save_bg;
1.199 nicm 2601: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2602: return;
1.79 nicm 2603: }
2604:
2605: /* Is this an aixterm bright colour? */
1.204 nicm 2606: if (gc->bg >= 90 && gc->bg <= 97) {
1.349 nicm 2607: if (tty_get_flags(tty) & TERM_256COLOURS) {
1.323 nicm 2608: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2609: tty_puts(tty, s);
2610: } else
2611: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.175 nicm 2612: goto save_bg;
1.1 nicm 2613: }
2614:
1.61 nicm 2615: /* Otherwise set the background colour. */
1.204 nicm 2616: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2617:
2618: save_bg:
2619: /* Save the new values in the terminal current cell. */
1.204 nicm 2620: tc->bg = gc->bg;
1.328 nicm 2621: }
2622:
2623: static void
2624: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2625: {
2626: struct grid_cell *tc = &tty->cell;
2627: u_int c;
2628: u_char r, g, b;
2629:
2630: /* Must be an RGB colour - this should never happen. */
2631: if (~gc->us & COLOUR_FLAG_RGB)
2632: return;
2633:
2634: /*
2635: * Setulc follows the ncurses(3) one argument "direct colour"
2636: * capability format. Calculate the colour value.
2637: */
2638: colour_split_rgb(gc->us, &r, &g, &b);
2639: c = (65536 * r) + (256 * g) + b;
2640:
2641: /* Write the colour. */
2642: tty_putcode1(tty, TTYC_SETULC, c);
2643:
2644: /* Save the new values in the terminal current cell. */
2645: tc->us = gc->us;
1.61 nicm 2646: }
2647:
1.207 nicm 2648: static int
1.204 nicm 2649: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2650: {
1.204 nicm 2651: u_char r, g, b;
1.61 nicm 2652: char s[32];
2653:
1.204 nicm 2654: if (colour & COLOUR_FLAG_256) {
2655: /*
1.300 nicm 2656: * If the user has specified -2 to the client (meaning
2657: * TERM_256COLOURS is set), setaf and setab may not work (or
2658: * they may not want to use them), so send the usual sequence.
2659: *
2660: * Also if RGB is set, setaf and setab do not support the 256
2661: * colour palette so use the sequences directly there too.
1.204 nicm 2662: */
1.349 nicm 2663: if ((tty_get_flags(tty) & TERM_256COLOURS) ||
1.300 nicm 2664: tty_term_has(tty->term, TTYC_RGB))
1.204 nicm 2665: goto fallback_256;
1.189 nicm 2666:
1.204 nicm 2667: /*
2668: * If the terminfo entry has 256 colours and setaf and setab
2669: * exist, assume that they work correctly.
2670: */
1.349 nicm 2671: if (tty_get_flags(tty) & TERM_256COLOURS) {
1.204 nicm 2672: if (*type == '3') {
2673: if (!tty_term_has(tty->term, TTYC_SETAF))
2674: goto fallback_256;
2675: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2676: } else {
2677: if (!tty_term_has(tty->term, TTYC_SETAB))
2678: goto fallback_256;
2679: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2680: }
2681: return (0);
1.188 nicm 2682: }
1.204 nicm 2683: goto fallback_256;
2684: }
2685:
2686: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2687: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.286 nicm 2688: if (*type == '3') {
2689: if (!tty_term_has(tty->term, TTYC_SETRGBF))
1.341 nicm 2690: goto fallback_rgb;
1.286 nicm 2691: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
2692: } else {
2693: if (!tty_term_has(tty->term, TTYC_SETRGBB))
1.341 nicm 2694: goto fallback_rgb;
1.286 nicm 2695: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
2696: }
1.165 nicm 2697: return (0);
2698: }
1.61 nicm 2699:
1.165 nicm 2700: return (-1);
1.188 nicm 2701:
1.204 nicm 2702: fallback_256:
2703: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.300 nicm 2704: log_debug("%s: 256 colour fallback: %s", tty->client->name, s);
1.341 nicm 2705: tty_puts(tty, s);
2706: return (0);
2707:
2708: fallback_rgb:
2709: xsnprintf(s, sizeof s, "\033[%s;2;%d;%d;%dm", type, r, g, b);
2710: log_debug("%s: RGB colour fallback: %s", tty->client->name, s);
1.188 nicm 2711: tty_puts(tty, s);
2712: return (0);
1.176 nicm 2713: }
2714:
1.207 nicm 2715: static void
1.317 nicm 2716: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2717: {
1.326 nicm 2718: struct options *oo = wp->options;
2719: struct style *style, *active_style;
2720: int c;
2721:
2722: if (wp->flags & PANE_STYLECHANGED) {
2723: wp->flags &= ~PANE_STYLECHANGED;
2724:
2725: active_style = options_get_style(oo, "window-active-style");
2726: style = options_get_style(oo, "window-style");
2727:
2728: style_copy(&wp->cached_active_style, active_style);
2729: style_copy(&wp->cached_style, style);
1.203 nicm 2730: } else {
1.326 nicm 2731: active_style = &wp->cached_active_style;
2732: style = &wp->cached_style;
1.203 nicm 2733: }
1.176 nicm 2734:
1.204 nicm 2735: if (gc->fg == 8) {
1.326 nicm 2736: if (wp == wp->window->active && active_style->gc.fg != 8)
2737: gc->fg = active_style->gc.fg;
1.204 nicm 2738: else
1.326 nicm 2739: gc->fg = style->gc.fg;
1.219 nicm 2740:
1.310 nicm 2741: if (gc->fg != 8) {
2742: c = window_pane_get_palette(wp, gc->fg);
2743: if (c != -1)
2744: gc->fg = c;
2745: }
1.176 nicm 2746: }
2747:
1.204 nicm 2748: if (gc->bg == 8) {
1.326 nicm 2749: if (wp == wp->window->active && active_style->gc.bg != 8)
2750: gc->bg = active_style->gc.bg;
1.204 nicm 2751: else
1.326 nicm 2752: gc->bg = style->gc.bg;
1.219 nicm 2753:
1.310 nicm 2754: if (gc->bg != 8) {
2755: c = window_pane_get_palette(wp, gc->bg);
2756: if (c != -1)
2757: gc->bg = c;
2758: }
1.176 nicm 2759: }
1.210 nicm 2760: }
2761:
2762: static void
1.317 nicm 2763: tty_default_attributes(struct tty *tty, struct window_pane *wp, u_int bg)
1.210 nicm 2764: {
2765: static struct grid_cell gc;
2766:
2767: memcpy(&gc, &grid_default_cell, sizeof gc);
2768: gc.bg = bg;
2769: tty_attributes(tty, &gc, wp);
1.1 nicm 2770: }