Annotation of src/usr.bin/tmux/tty.c, Revision 1.356
1.356 ! nicm 1: /* $OpenBSD: tty.c,v 1.355 2020/04/18 06:10:15 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: }
1.352 nicm 343: tty_puts(tty, "\033[?7727h");
1.347 nicm 344: }
1.1 nicm 345:
1.340 nicm 346: evtimer_set(&tty->start_timer, tty_start_timer_callback, tty);
347: evtimer_add(&tty->start_timer, &tv);
348:
1.20 nicm 349: tty->flags |= TTY_STARTED;
1.242 nicm 350: tty_invalidate(tty);
1.107 nicm 351:
1.336 nicm 352: if (*tty->ccolour != '\0')
353: tty_force_cursor_colour(tty, "");
1.177 nicm 354:
355: tty->mouse_drag_flag = 0;
356: tty->mouse_drag_update = NULL;
357: tty->mouse_drag_release = NULL;
1.347 nicm 358: }
359:
360: void
361: tty_send_requests(struct tty *tty)
362: {
363: if (~tty->flags & TTY_STARTED)
364: return;
365:
366: if (tty_term_flag(tty->term, TTYC_XT)) {
367: if (~tty->flags & TTY_HAVEDA)
1.351 nicm 368: tty_puts(tty, "\033[>c");
1.347 nicm 369: if (~tty->flags & TTY_HAVEDSR)
370: tty_puts(tty, "\033[1337n");
371: } else
372: tty->flags |= (TTY_HAVEDA|TTY_HAVEDSR);
1.128 nicm 373: }
374:
375: void
1.1 nicm 376: tty_stop_tty(struct tty *tty)
377: {
378: struct winsize ws;
379:
1.20 nicm 380: if (!(tty->flags & TTY_STARTED))
381: return;
382: tty->flags &= ~TTY_STARTED;
1.340 nicm 383:
384: evtimer_del(&tty->start_timer);
1.20 nicm 385:
1.266 nicm 386: event_del(&tty->timer);
387: tty->flags &= ~TTY_BLOCK;
388:
1.244 nicm 389: event_del(&tty->event_in);
390: event_del(&tty->event_out);
1.66 nicm 391:
1.1 nicm 392: /*
393: * Be flexible about error handling and try not kill the server just
394: * because the fd is invalid. Things like ssh -t can easily leave us
395: * with a dead tty.
396: */
397: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
398: return;
399: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
400: return;
401:
402: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 403: if (tty_acs_needed(tty))
1.90 nicm 404: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 405: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
406: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
407: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 408: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
409: if (tty_term_has(tty->term, TTYC_SE))
410: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 411: else
1.160 nicm 412: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 413: }
1.173 nicm 414: if (tty->mode & MODE_BRACKETPASTE)
415: tty_raw(tty, "\033[?2004l");
1.336 nicm 416: if (*tty->ccolour != '\0')
417: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 418:
419: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
1.343 nicm 420: if (tty_term_has(tty->term, TTYC_KMOUS)) {
421: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1003l");
422: tty_raw(tty, "\033[?1006l\033[?1005l");
423: }
1.151 nicm 424:
1.189 nicm 425: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 426: if (tty->flags & TTY_FOCUS) {
427: tty->flags &= ~TTY_FOCUS;
1.172 nicm 428: tty_raw(tty, "\033[?1004l");
1.162 nicm 429: }
1.352 nicm 430: tty_raw(tty, "\033[?7727l");
1.162 nicm 431: }
1.10 nicm 432:
1.212 nicm 433: if (tty_use_margin(tty))
434: tty_raw(tty, "\033[?69l"); /* DECLRMM */
1.10 nicm 435: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 436:
437: setblocking(tty->fd, 1);
1.1 nicm 438: }
439:
440: void
1.20 nicm 441: tty_close(struct tty *tty)
1.1 nicm 442: {
1.123 nicm 443: if (event_initialized(&tty->key_timer))
444: evtimer_del(&tty->key_timer);
1.20 nicm 445: tty_stop_tty(tty);
1.1 nicm 446:
1.21 nicm 447: if (tty->flags & TTY_OPENED) {
1.244 nicm 448: evbuffer_free(tty->in);
449: event_del(&tty->event_in);
450: evbuffer_free(tty->out);
451: event_del(&tty->event_out);
1.66 nicm 452:
1.21 nicm 453: tty_term_free(tty->term);
454: tty_keys_free(tty);
455:
456: tty->flags &= ~TTY_OPENED;
457: }
1.1 nicm 458:
1.21 nicm 459: if (tty->fd != -1) {
460: close(tty->fd);
461: tty->fd = -1;
462: }
1.1 nicm 463: }
464:
465: void
1.20 nicm 466: tty_free(struct tty *tty)
1.1 nicm 467: {
1.20 nicm 468: tty_close(tty);
1.1 nicm 469:
1.138 nicm 470: free(tty->ccolour);
1.220 nicm 471: free(tty->term_name);
1.1 nicm 472: }
473:
474: void
1.337 nicm 475: tty_set_flags(struct tty *tty, int flags)
1.212 nicm 476: {
1.337 nicm 477: tty->term_flags |= flags;
1.212 nicm 478:
479: if (tty_use_margin(tty))
480: tty_puts(tty, "\033[?69h"); /* DECLRMM */
481: }
482:
1.349 nicm 483: int
484: tty_get_flags(struct tty *tty)
485: {
486: if (tty->term != NULL)
487: return (tty->term->flags|tty->term_flags);
488: return (tty->term_flags);
489: }
490:
1.212 nicm 491: void
1.1 nicm 492: tty_raw(struct tty *tty, const char *s)
493: {
1.150 nicm 494: ssize_t n, slen;
495: u_int i;
496:
497: slen = strlen(s);
498: for (i = 0; i < 5; i++) {
499: n = write(tty->fd, s, slen);
500: if (n >= 0) {
501: s += n;
502: slen -= n;
503: if (slen == 0)
504: break;
505: } else if (n == -1 && errno != EAGAIN)
506: break;
507: usleep(100);
508: }
1.1 nicm 509: }
510:
511: void
512: tty_putcode(struct tty *tty, enum tty_code_code code)
513: {
514: tty_puts(tty, tty_term_string(tty->term, code));
515: }
516:
517: void
518: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
519: {
520: if (a < 0)
521: return;
522: tty_puts(tty, tty_term_string1(tty->term, code, a));
523: }
524:
525: void
526: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
527: {
528: if (a < 0 || b < 0)
529: return;
530: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
531: }
532:
533: void
1.286 nicm 534: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
535: {
536: if (a < 0 || b < 0 || c < 0)
537: return;
538: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
539: }
540:
541: void
1.107 nicm 542: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
543: {
544: if (a != NULL)
545: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
546: }
547:
548: void
1.167 nicm 549: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
550: const void *b)
1.106 nicm 551: {
552: if (a != NULL && b != NULL)
553: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
554: }
555:
1.243 nicm 556: static void
557: tty_add(struct tty *tty, const char *buf, size_t len)
558: {
1.258 nicm 559: struct client *c = tty->client;
560:
1.266 nicm 561: if (tty->flags & TTY_BLOCK) {
562: tty->discarded += len;
563: return;
564: }
565:
1.244 nicm 566: evbuffer_add(tty->out, buf, len);
1.270 nicm 567: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 568: c->written += len;
1.243 nicm 569:
570: if (tty_log_fd != -1)
571: write(tty_log_fd, buf, len);
1.244 nicm 572: if (tty->flags & TTY_STARTED)
573: event_add(&tty->event_out, NULL);
1.243 nicm 574: }
575:
1.106 nicm 576: void
1.1 nicm 577: tty_puts(struct tty *tty, const char *s)
578: {
1.243 nicm 579: if (*s != '\0')
580: tty_add(tty, s, strlen(s));
1.1 nicm 581: }
582:
583: void
584: tty_putc(struct tty *tty, u_char ch)
585: {
1.90 nicm 586: const char *acs;
1.1 nicm 587:
1.349 nicm 588: if ((tty_get_flags(tty) & TERM_NOXENL) &&
1.325 nicm 589: ch >= 0x20 && ch != 0x7f &&
590: tty->cy == tty->sy - 1 &&
591: tty->cx + 1 >= tty->sx)
592: return;
593:
1.90 nicm 594: if (tty->cell.attr & GRID_ATTR_CHARSET) {
595: acs = tty_acs_get(tty, ch);
1.243 nicm 596: if (acs != NULL)
597: tty_add(tty, acs, strlen(acs));
598: else
599: tty_add(tty, &ch, 1);
600: } else
601: tty_add(tty, &ch, 1);
1.1 nicm 602:
603: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 604: if (tty->cx >= tty->sx) {
1.46 nicm 605: tty->cx = 1;
606: if (tty->cy != tty->rlower)
607: tty->cy++;
1.211 nicm 608:
609: /*
610: * On !xenl terminals, force the cursor position to
611: * where we think it should be after a line wrap - this
612: * means it works on sensible terminals as well.
613: */
1.349 nicm 614: if (tty_get_flags(tty) & TERM_NOXENL)
1.211 nicm 615: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 616: } else
617: tty->cx++;
618: }
619: }
620:
621: void
1.147 nicm 622: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 623: {
1.349 nicm 624: if ((tty_get_flags(tty) & TERM_NOXENL) &&
1.325 nicm 625: tty->cy == tty->sy - 1 &&
626: tty->cx + len >= tty->sx)
627: len = tty->sx - tty->cx - 1;
628:
1.243 nicm 629: tty_add(tty, buf, len);
1.268 nicm 630: if (tty->cx + width > tty->sx) {
631: tty->cx = (tty->cx + width) - tty->sx;
632: if (tty->cx <= tty->sx)
633: tty->cy++;
634: else
635: tty->cx = tty->cy = UINT_MAX;
636: } else
1.254 nicm 637: tty->cx += width;
1.5 nicm 638: }
639:
1.207 nicm 640: static void
1.180 nicm 641: tty_set_italics(struct tty *tty)
642: {
643: const char *s;
644:
645: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 646: s = options_get_string(global_options, "default-terminal");
1.180 nicm 647: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
648: tty_putcode(tty, TTYC_SITM);
649: return;
650: }
651: }
652: tty_putcode(tty, TTYC_SMSO);
653: }
654:
655: void
1.1 nicm 656: tty_set_title(struct tty *tty, const char *title)
657: {
1.105 nicm 658: if (!tty_term_has(tty->term, TTYC_TSL) ||
659: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 660: return;
661:
1.105 nicm 662: tty_putcode(tty, TTYC_TSL);
1.1 nicm 663: tty_puts(tty, title);
1.105 nicm 664: tty_putcode(tty, TTYC_FSL);
1.1 nicm 665: }
666:
1.208 nicm 667: static void
1.107 nicm 668: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
669: {
670: if (*ccolour == '\0')
671: tty_putcode(tty, TTYC_CR);
672: else
1.160 nicm 673: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 674: free(tty->ccolour);
1.107 nicm 675: tty->ccolour = xstrdup(ccolour);
676: }
677:
678: void
679: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 680: {
1.344 nicm 681: struct client *c = tty->client;
682: int changed;
1.1 nicm 683:
1.197 nicm 684: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 685: tty_force_cursor_colour(tty, s->ccolour);
686:
1.1 nicm 687: if (tty->flags & TTY_NOCURSOR)
688: mode &= ~MODE_CURSOR;
689:
690: changed = mode ^ tty->mode;
1.344 nicm 691: log_debug("%s: update mode %x to %x", c->name, tty->mode, mode);
692:
1.183 nicm 693: if (changed & MODE_BLINKING) {
694: if (tty_term_has(tty->term, TTYC_CVVIS))
695: tty_putcode(tty, TTYC_CVVIS);
696: else
697: tty_putcode(tty, TTYC_CNORM);
698: changed |= MODE_CURSOR;
699: }
700: if (changed & MODE_CURSOR) {
701: if (mode & MODE_CURSOR)
702: tty_putcode(tty, TTYC_CNORM);
703: else
1.1 nicm 704: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 705: }
1.181 nicm 706: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 707: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 708: if (s->cstyle == 0 &&
1.160 nicm 709: tty_term_has(tty->term, TTYC_SE))
710: tty_putcode(tty, TTYC_SE);
1.108 nicm 711: else
1.160 nicm 712: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 713: }
714: tty->cstyle = s->cstyle;
1.1 nicm 715: }
1.344 nicm 716: if ((changed & ALL_MOUSE_MODES) &&
717: tty_term_has(tty->term, TTYC_KMOUS)) {
718: if ((mode & ALL_MOUSE_MODES) == 0)
719: tty_puts(tty, "\033[?1006l");
720: if ((changed & MODE_MOUSE_STANDARD) &&
721: (~mode & MODE_MOUSE_STANDARD))
722: tty_puts(tty, "\033[?1000l");
723: if ((changed & MODE_MOUSE_BUTTON) &&
724: (~mode & MODE_MOUSE_BUTTON))
725: tty_puts(tty, "\033[?1002l");
726: if ((changed & MODE_MOUSE_ALL) &&
727: (~mode & MODE_MOUSE_ALL))
728: tty_puts(tty, "\033[?1003l");
729:
730: if (mode & ALL_MOUSE_MODES)
1.153 nicm 731: tty_puts(tty, "\033[?1006h");
1.344 nicm 732: if ((changed & MODE_MOUSE_STANDARD) &&
733: (mode & MODE_MOUSE_STANDARD))
734: tty_puts(tty, "\033[?1000h");
735: if ((changed & MODE_MOUSE_BUTTON) &&
736: (mode & MODE_MOUSE_BUTTON))
737: tty_puts(tty, "\033[?1002h");
738: if ((changed & MODE_MOUSE_ALL) &&
739: (mode & MODE_MOUSE_ALL))
740: tty_puts(tty, "\033[?1003h");
1.115 nicm 741: }
742: if (changed & MODE_BRACKETPASTE) {
743: if (mode & MODE_BRACKETPASTE)
744: tty_puts(tty, "\033[?2004h");
745: else
746: tty_puts(tty, "\033[?2004l");
1.1 nicm 747: }
748: tty->mode = mode;
749: }
750:
1.207 nicm 751: static void
1.168 nicm 752: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
753: enum tty_code_code code1, u_int n)
1.1 nicm 754: {
755: if (tty_term_has(tty->term, code))
756: tty_putcode1(tty, code, n);
757: else {
758: while (n-- > 0)
759: tty_putcode(tty, code1);
760: }
761: }
762:
1.207 nicm 763: static void
1.133 nicm 764: tty_repeat_space(struct tty *tty, u_int n)
765: {
1.257 nicm 766: static char s[500];
767:
768: if (*s != ' ')
769: memset(s, ' ', sizeof s);
770:
771: while (n > sizeof s) {
772: tty_putn(tty, s, sizeof s, sizeof s);
773: n -= sizeof s;
774: }
775: if (n != 0)
776: tty_putn(tty, s, n, n);
1.304 nicm 777: }
778:
1.309 nicm 779: /* Is this window bigger than the terminal? */
780: int
781: tty_window_bigger(struct tty *tty)
782: {
783: struct client *c = tty->client;
784: struct window *w = c->session->curw->window;
785:
786: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
787: }
788:
789: /* What offset should this window be drawn at? */
790: int
791: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
792: {
793: *ox = tty->oox;
794: *oy = tty->ooy;
795: *sx = tty->osx;
796: *sy = tty->osy;
797:
798: return (tty->oflag);
799: }
800:
801: /* What offset should this window be drawn at? */
802: static int
803: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
804: {
805: struct client *c = tty->client;
806: struct window *w = c->session->curw->window;
807: struct window_pane *wp = w->active;
808: u_int cx, cy, lines;
809:
810: lines = status_line_size(c);
811:
812: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
813: *ox = 0;
814: *oy = 0;
815: *sx = w->sx;
816: *sy = w->sy;
817:
818: c->pan_window = NULL;
819: return (0);
820: }
821:
822: *sx = tty->sx;
823: *sy = tty->sy - lines;
824:
825: if (c->pan_window == w) {
826: if (*sx >= w->sx)
827: c->pan_ox = 0;
828: else if (c->pan_ox + *sx > w->sx)
829: c->pan_ox = w->sx - *sx;
830: *ox = c->pan_ox;
831: if (*sy >= w->sy)
832: c->pan_oy = 0;
833: else if (c->pan_oy + *sy > w->sy)
834: c->pan_oy = w->sy - *sy;
835: *oy = c->pan_oy;
836: return (1);
837: }
838:
839: if (~wp->screen->mode & MODE_CURSOR) {
840: *ox = 0;
841: *oy = 0;
842: } else {
843: cx = wp->xoff + wp->screen->cx;
844: cy = wp->yoff + wp->screen->cy;
845:
846: if (cx < *sx)
847: *ox = 0;
848: else if (cx > w->sx - *sx)
849: *ox = w->sx - *sx;
850: else
851: *ox = cx - *sx / 2;
852:
853: if (cy < *sy)
854: *oy = 0;
855: else if (cy > w->sy - *sy)
856: *oy = w->sy - *sy;
857: else
858: *oy = cy - *sy / 2;
859: }
860:
861: c->pan_window = NULL;
862: return (1);
863: }
864:
865: /* Update stored offsets for a window and redraw if necessary. */
866: void
867: tty_update_window_offset(struct window *w)
868: {
869: struct client *c;
870:
871: TAILQ_FOREACH(c, &clients, entry) {
872: if (c->session != NULL && c->session->curw->window == w)
873: tty_update_client_offset(c);
874: }
875: }
876:
877: /* Update stored offsets for a client and redraw if necessary. */
878: void
879: tty_update_client_offset(struct client *c)
1.304 nicm 880: {
1.309 nicm 881: u_int ox, oy, sx, sy;
1.314 nicm 882:
883: if (~c->flags & CLIENT_TERMINAL)
884: return;
1.304 nicm 885:
1.309 nicm 886: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
887: if (ox == c->tty.oox &&
888: oy == c->tty.ooy &&
889: sx == c->tty.osx &&
890: sy == c->tty.osy)
891: return;
892:
893: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
894: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
895: ox, oy, sx, sy);
896:
897: c->tty.oox = ox;
898: c->tty.ooy = oy;
899: c->tty.osx = sx;
900: c->tty.osy = sy;
901:
902: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 903: }
904:
1.1 nicm 905: /*
1.119 nicm 906: * Is the region large enough to be worth redrawing once later rather than
907: * probably several times now? Currently yes if it is more than 50% of the
908: * pane.
909: */
1.207 nicm 910: static int
1.194 nicm 911: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 912: {
913: struct window_pane *wp = ctx->wp;
914:
915: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
916: }
917:
918: /*
1.176 nicm 919: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
920: * emulated.
921: */
1.207 nicm 922: static int
1.317 nicm 923: tty_fake_bce(const struct tty *tty, struct window_pane *wp, u_int bg)
1.176 nicm 924: {
925: struct grid_cell gc;
926:
1.210 nicm 927: if (tty_term_flag(tty->term, TTYC_BCE))
928: return (0);
929:
1.176 nicm 930: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 931: if (wp != NULL)
932: tty_default_colours(&gc, wp);
1.176 nicm 933:
1.310 nicm 934: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc.bg))
1.210 nicm 935: return (1);
936: return (0);
1.176 nicm 937: }
938:
939: /*
1.1 nicm 940: * Redraw scroll region using data from screen (already updated). Used when
941: * CSR not supported, or window is a pane that doesn't take up the full
942: * width of the terminal.
943: */
1.207 nicm 944: static void
1.24 nicm 945: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 946: {
1.14 nicm 947: struct window_pane *wp = ctx->wp;
948: struct screen *s = wp->screen;
1.204 nicm 949: u_int i;
1.1 nicm 950:
951: /*
1.119 nicm 952: * If region is large, schedule a window redraw. In most cases this is
953: * likely to be followed by some more scrolling.
1.1 nicm 954: */
1.119 nicm 955: if (tty_large_region(tty, ctx)) {
1.1 nicm 956: wp->flags |= PANE_REDRAW;
957: return;
958: }
959:
1.14 nicm 960: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
961: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.309 nicm 962: tty_draw_pane(tty, ctx, i);
1.1 nicm 963: } else {
1.14 nicm 964: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.309 nicm 965: tty_draw_pane(tty, ctx, i);
1.1 nicm 966: }
967: }
968:
1.309 nicm 969: /* Is this position visible in the pane? */
970: static int
971: tty_is_visible(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
972: u_int nx, u_int ny)
973: {
974: u_int xoff = ctx->xoff + px, yoff = ctx->yoff + py, lines;
975:
976: if (!ctx->bigger)
977: return (1);
978:
979: if (status_at_line(tty->client) == 0)
980: lines = status_line_size(tty->client);
981: else
982: lines = 0;
983:
984: if (xoff + nx <= ctx->ox || xoff >= ctx->ox + ctx->sx ||
1.320 nicm 985: yoff + ny <= ctx->oy || yoff >= lines + ctx->oy + ctx->sy)
1.309 nicm 986: return (0);
987: return (1);
988: }
989:
990: /* Clamp line position to visible part of pane. */
991: static int
992: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
993: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
994: {
995: struct window_pane *wp = ctx->wp;
996: u_int xoff = wp->xoff + px;
997:
998: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
999: return (0);
1000: *ry = ctx->yoff + py - ctx->oy;
1001:
1002: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
1003: /* All visible. */
1004: *i = 0;
1005: *x = ctx->xoff + px - ctx->ox;
1006: *rx = nx;
1007: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
1008: /* Both left and right not visible. */
1009: *i = ctx->ox;
1010: *x = 0;
1011: *rx = ctx->sx;
1012: } else if (xoff < ctx->ox) {
1013: /* Left not visible. */
1014: *i = ctx->ox - (ctx->xoff + px);
1015: *x = 0;
1016: *rx = nx - *i;
1017: } else {
1018: /* Right not visible. */
1019: *i = 0;
1020: *x = (ctx->xoff + px) - ctx->ox;
1021: *rx = ctx->sx - *x;
1022: }
1023: if (*rx > nx)
1024: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1025:
1026: return (1);
1027: }
1028:
1029: /* Clear a line. */
1.271 nicm 1030: static void
1.317 nicm 1031: tty_clear_line(struct tty *tty, struct window_pane *wp, u_int py, u_int px,
1032: u_int nx, u_int bg)
1.271 nicm 1033: {
1.309 nicm 1034: struct client *c = tty->client;
1035:
1036: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1037:
1038: /* Nothing to clear. */
1039: if (nx == 0)
1040: return;
1041:
1042: /* If genuine BCE is available, can try escape sequences. */
1043: if (!tty_fake_bce(tty, wp, bg)) {
1044: /* Off the end of the line, use EL if available. */
1045: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1046: tty_cursor(tty, px, py);
1047: tty_putcode(tty, TTYC_EL);
1048: return;
1049: }
1050:
1051: /* At the start of the line. Use EL1. */
1052: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1053: tty_cursor(tty, px + nx - 1, py);
1054: tty_putcode(tty, TTYC_EL1);
1055: return;
1056: }
1057:
1058: /* Section of line. Use ECH if possible. */
1059: if (tty_term_has(tty->term, TTYC_ECH)) {
1060: tty_cursor(tty, px, py);
1061: tty_putcode1(tty, TTYC_ECH, nx);
1062: return;
1063: }
1064: }
1065:
1066: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 1067: tty_cursor(tty, px, py);
1.271 nicm 1068: tty_repeat_space(tty, nx);
1069: }
1070:
1.309 nicm 1071: /* Clear a line, adjusting to visible part of pane. */
1072: static void
1073: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1074: u_int px, u_int nx, u_int bg)
1075: {
1076: struct client *c = tty->client;
1077: u_int i, x, rx, ry;
1078:
1079: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1080:
1081: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1082: tty_clear_line(tty, ctx->wp, ry, x, rx, bg);
1083: }
1084:
1085: /* Clamp area position to visible part of pane. */
1086: static int
1087: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1088: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1089: u_int *ry)
1090: {
1091: struct window_pane *wp = ctx->wp;
1092: u_int xoff = wp->xoff + px, yoff = wp->yoff + py;
1093:
1094: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1095: return (0);
1096:
1097: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
1098: /* All visible. */
1099: *i = 0;
1100: *x = ctx->xoff + px - ctx->ox;
1101: *rx = nx;
1102: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
1103: /* Both left and right not visible. */
1104: *i = ctx->ox;
1105: *x = 0;
1106: *rx = ctx->sx;
1107: } else if (xoff < ctx->ox) {
1108: /* Left not visible. */
1109: *i = ctx->ox - (ctx->xoff + px);
1110: *x = 0;
1111: *rx = nx - *i;
1112: } else {
1113: /* Right not visible. */
1114: *i = 0;
1115: *x = (ctx->xoff + px) - ctx->ox;
1116: *rx = ctx->sx - *x;
1117: }
1118: if (*rx > nx)
1119: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1120:
1121: if (yoff >= ctx->oy && yoff + ny <= ctx->oy + ctx->sy) {
1122: /* All visible. */
1123: *j = 0;
1124: *y = ctx->yoff + py - ctx->oy;
1125: *ry = ny;
1126: } else if (yoff < ctx->oy && yoff + ny > ctx->oy + ctx->sy) {
1.327 nicm 1127: /* Both top and bottom not visible. */
1.309 nicm 1128: *j = ctx->oy;
1129: *y = 0;
1130: *ry = ctx->sy;
1131: } else if (yoff < ctx->oy) {
1.327 nicm 1132: /* Top not visible. */
1.309 nicm 1133: *j = ctx->oy - (ctx->yoff + py);
1134: *y = 0;
1135: *ry = ny - *j;
1136: } else {
1.327 nicm 1137: /* Bottom not visible. */
1.309 nicm 1138: *j = 0;
1139: *y = (ctx->yoff + py) - ctx->oy;
1140: *ry = ctx->sy - *y;
1141: }
1142: if (*ry > ny)
1143: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1144:
1145: return (1);
1146: }
1147:
1148: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1149: static void
1.317 nicm 1150: tty_clear_area(struct tty *tty, struct window_pane *wp, u_int py, u_int ny,
1151: u_int px, u_int nx, u_int bg)
1.271 nicm 1152: {
1.309 nicm 1153: struct client *c = tty->client;
1154: u_int yy;
1155: char tmp[64];
1.271 nicm 1156:
1.309 nicm 1157: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1158:
1159: /* Nothing to clear. */
1160: if (nx == 0 || ny == 0)
1161: return;
1162:
1163: /* If genuine BCE is available, can try escape sequences. */
1164: if (!tty_fake_bce(tty, wp, bg)) {
1.276 nicm 1165: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1166: if (px == 0 &&
1167: px + nx >= tty->sx &&
1168: py + ny >= tty->sy &&
1169: tty_term_has(tty->term, TTYC_ED)) {
1170: tty_cursor(tty, 0, py);
1171: tty_putcode(tty, TTYC_ED);
1.274 nicm 1172: return;
1173: }
1174:
1175: /*
1.276 nicm 1176: * On VT420 compatible terminals we can use DECFRA if the
1177: * background colour isn't default (because it doesn't work
1178: * after SGR 0).
1.274 nicm 1179: */
1.351 nicm 1180: if ((tty_get_flags(tty) & TERM_DECFRA) && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1181: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1182: py + 1, px + 1, py + ny, px + nx);
1183: tty_puts(tty, tmp);
1.276 nicm 1184: return;
1185: }
1186:
1.280 nicm 1187: /* Full lines can be scrolled away to clear them. */
1188: if (px == 0 &&
1.281 nicm 1189: px + nx >= tty->sx &&
1.280 nicm 1190: ny > 2 &&
1191: tty_term_has(tty->term, TTYC_CSR) &&
1192: tty_term_has(tty->term, TTYC_INDN)) {
1193: tty_region(tty, py, py + ny - 1);
1194: tty_margin_off(tty);
1.284 nicm 1195: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1196: return;
1197: }
1198:
1.276 nicm 1199: /*
1200: * If margins are supported, can just scroll the area off to
1201: * clear it.
1202: */
1.277 nicm 1203: if (nx > 2 &&
1204: ny > 2 &&
1.280 nicm 1205: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1206: tty_use_margin(tty) &&
1207: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1208: tty_region(tty, py, py + ny - 1);
1209: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1210: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1211: return;
1212: }
1213: }
1214:
1215: /* Couldn't use an escape sequence, loop over the lines. */
1216: for (yy = py; yy < py + ny; yy++)
1217: tty_clear_line(tty, wp, yy, px, nx, bg);
1218: }
1219:
1.309 nicm 1220: /* Clear an area in a pane. */
1221: static void
1222: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1223: u_int ny, u_int px, u_int nx, u_int bg)
1224: {
1225: u_int i, j, x, y, rx, ry;
1226:
1227: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1228: tty_clear_area(tty, ctx->wp, y, ry, x, rx, bg);
1229: }
1230:
1231: static void
1232: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1233: {
1.309 nicm 1234: struct window_pane *wp = ctx->wp;
1235: struct screen *s = wp->screen;
1236: u_int nx = screen_size_x(s), i, x, rx, ry;
1237:
1238: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1239:
1240: if (!ctx->bigger) {
1241: tty_draw_line(tty, wp, s, 0, py, nx, ctx->xoff, ctx->yoff + py);
1242: return;
1243: }
1244: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry))
1245: tty_draw_line(tty, wp, s, i, py, rx, x, ry);
1.176 nicm 1246: }
1247:
1.298 nicm 1248: static const struct grid_cell *
1249: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1250: {
1251: static struct grid_cell new;
1252: u_int n;
1253:
1254: /* Characters less than 0x7f are always fine, no matter what. */
1255: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1256: return (gc);
1257:
1258: /* UTF-8 terminal and a UTF-8 character - fine. */
1.350 nicm 1259: if (tty_get_flags(tty) & TERM_UTF8)
1.298 nicm 1260: return (gc);
1261:
1262: /* Replace by the right number of underscores. */
1263: n = gc->data.width;
1264: if (n > UTF8_SIZE)
1265: n = UTF8_SIZE;
1266: memcpy(&new, gc, sizeof new);
1267: new.data.size = n;
1268: memset(new.data.data, '_', n);
1269: return (&new);
1270: }
1271:
1.346 nicm 1272: static int
1273: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1274: {
1275: struct client *c = tty->client;
1276:
1277: if (c->overlay_check == NULL)
1278: return (1);
1279: return (c->overlay_check(c, px, py));
1280: }
1281:
1.176 nicm 1282: void
1.317 nicm 1283: tty_draw_line(struct tty *tty, struct window_pane *wp, struct screen *s,
1284: u_int px, u_int py, u_int nx, u_int atx, u_int aty)
1.1 nicm 1285: {
1.297 nicm 1286: struct grid *gd = s->grid;
1.250 nicm 1287: struct grid_cell gc, last;
1.298 nicm 1288: const struct grid_cell *gcp;
1.309 nicm 1289: struct grid_line *gl;
1290: u_int i, j, ux, sx, width;
1.329 nicm 1291: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1292: char buf[512];
1.315 nicm 1293: size_t len;
1.303 nicm 1294: u_int cellsize;
1.1 nicm 1295:
1.309 nicm 1296: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1297: px, py, nx, atx, aty);
1298:
1299: /*
1300: * py is the line in the screen to draw.
1301: * px is the start x and nx is the width to draw.
1302: * atx,aty is the line on the terminal to draw it.
1303: */
1304:
1.259 nicm 1305: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1306: tty->flags |= TTY_NOCURSOR;
1307: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1308:
1.214 nicm 1309: tty_region_off(tty);
1310: tty_margin_off(tty);
1311:
1.273 nicm 1312: /*
1313: * Clamp the width to cellsize - note this is not cellused, because
1314: * there may be empty background cells after it (from BCE).
1315: */
1.1 nicm 1316: sx = screen_size_x(s);
1.309 nicm 1317: if (nx > sx)
1318: nx = sx;
1.303 nicm 1319: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1320: if (sx > cellsize)
1321: sx = cellsize;
1.1 nicm 1322: if (sx > tty->sx)
1323: sx = tty->sx;
1.309 nicm 1324: if (sx > nx)
1325: sx = nx;
1.292 nicm 1326: ux = 0;
1.1 nicm 1327:
1.309 nicm 1328: if (py == 0)
1329: gl = NULL;
1330: else
1331: gl = grid_get_line(gd, gd->hsize + py - 1);
1.268 nicm 1332: if (wp == NULL ||
1.309 nicm 1333: gl == NULL ||
1334: (~gl->flags & GRID_LINE_WRAPPED) ||
1335: atx != 0 ||
1.268 nicm 1336: tty->cx < tty->sx ||
1.309 nicm 1337: nx < tty->sx) {
1338: if (nx < tty->sx &&
1339: atx == 0 &&
1340: px + sx != nx &&
1.268 nicm 1341: tty_term_has(tty->term, TTYC_EL1) &&
1342: !tty_fake_bce(tty, wp, 8)) {
1343: tty_default_attributes(tty, wp, 8);
1.309 nicm 1344: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1345: tty_putcode(tty, TTYC_EL1);
1346: cleared = 1;
1347: }
1.329 nicm 1348: } else {
1.309 nicm 1349: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1350: wrapped = 1;
1351: }
1.250 nicm 1352:
1353: memcpy(&last, &grid_default_cell, sizeof last);
1354: len = 0;
1355: width = 0;
1.46 nicm 1356:
1.1 nicm 1357: for (i = 0; i < sx; i++) {
1.309 nicm 1358: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1359: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1360: if (len != 0 &&
1.346 nicm 1361: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1362: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1363: gcp->flags != last.flags ||
1364: gcp->attr != last.attr ||
1365: gcp->fg != last.fg ||
1366: gcp->bg != last.bg ||
1.328 nicm 1367: gcp->us != last.us ||
1.315 nicm 1368: ux + width + gcp->data.width > nx ||
1.298 nicm 1369: (sizeof buf) - len < gcp->data.size)) {
1.316 nicm 1370: tty_attributes(tty, &last, wp);
1.315 nicm 1371: if (last.flags & GRID_FLAG_CLEARED) {
1372: log_debug("%s: %zu cleared", __func__, len);
1373: tty_clear_line(tty, wp, aty, atx + ux, width,
1374: last.bg);
1375: } else {
1.329 nicm 1376: if (!wrapped || atx != 0 || ux != 0)
1377: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1378: tty_putn(tty, buf, len, width);
1379: }
1.292 nicm 1380: ux += width;
1.250 nicm 1381:
1382: len = 0;
1383: width = 0;
1.329 nicm 1384: wrapped = 0;
1.250 nicm 1385: }
1386:
1.298 nicm 1387: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1388: screen_select_cell(s, &last, gcp);
1.250 nicm 1389: else
1.299 nicm 1390: memcpy(&last, gcp, sizeof last);
1.346 nicm 1391: if (!tty_check_overlay(tty, atx + ux, aty))
1392: ux += gcp->data.width;
1393: else if (ux + gcp->data.width > nx) {
1.299 nicm 1394: tty_attributes(tty, &last, wp);
1.315 nicm 1395: tty_cursor(tty, atx + ux, aty);
1.298 nicm 1396: for (j = 0; j < gcp->data.width; j++) {
1.309 nicm 1397: if (ux + j > nx)
1.297 nicm 1398: break;
1399: tty_putc(tty, ' ');
1400: ux++;
1401: }
1.299 nicm 1402: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1403: tty_attributes(tty, &last, wp);
1.315 nicm 1404: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1405: for (j = 0; j < gcp->data.size; j++)
1406: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1407: ux += gcp->data.width;
1.299 nicm 1408: } else {
1.298 nicm 1409: memcpy(buf + len, gcp->data.data, gcp->data.size);
1410: len += gcp->data.size;
1411: width += gcp->data.width;
1.250 nicm 1412: }
1413: }
1.315 nicm 1414: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.316 nicm 1415: tty_attributes(tty, &last, wp);
1.315 nicm 1416: if (last.flags & GRID_FLAG_CLEARED) {
1417: log_debug("%s: %zu cleared (end)", __func__, len);
1418: tty_clear_line(tty, wp, aty, atx + ux, width, last.bg);
1419: } else {
1.329 nicm 1420: if (!wrapped || atx != 0 || ux != 0)
1421: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1422: tty_putn(tty, buf, len, width);
1423: }
1.315 nicm 1424: ux += width;
1.1 nicm 1425: }
1426:
1.309 nicm 1427: if (!cleared && ux < nx) {
1.315 nicm 1428: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1429: nx - ux, len);
1.210 nicm 1430: tty_default_attributes(tty, wp, 8);
1.309 nicm 1431: tty_clear_line(tty, wp, aty, atx + ux, nx - ux, 8);
1.35 nicm 1432: }
1.1 nicm 1433:
1.181 nicm 1434: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1435: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1436: }
1437:
1.348 nicm 1438: void
1439: tty_sync_start(struct tty *tty)
1440: {
1.356 ! nicm 1441: if (tty_get_flags(tty) & TERM_SYNC)
1.348 nicm 1442: tty_puts(tty, "\033P=1s\033\\");
1443: }
1444:
1445: void
1446: tty_sync_end(struct tty *tty)
1447: {
1.356 ! nicm 1448: if (tty_get_flags(tty) & TERM_SYNC)
1.348 nicm 1449: tty_puts(tty, "\033P=2s\033\\");
1450: }
1451:
1.201 nicm 1452: static int
1.182 nicm 1453: tty_client_ready(struct client *c, struct window_pane *wp)
1454: {
1455: if (c->session == NULL || c->tty.term == NULL)
1456: return (0);
1.305 nicm 1457: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1458: return (0);
1459: if (c->tty.flags & TTY_FREEZE)
1460: return (0);
1461: if (c->session->curw->window != wp->window)
1462: return (0);
1.309 nicm 1463: if (wp->layout_cell == NULL)
1464: return (0);
1.182 nicm 1465: return (1);
1466: }
1467:
1.15 nicm 1468: void
1.182 nicm 1469: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1470: struct tty_ctx *ctx)
1.15 nicm 1471: {
1472: struct window_pane *wp = ctx->wp;
1473: struct client *c;
1474:
1475: if (wp == NULL)
1476: return;
1.309 nicm 1477: if (wp->flags & (PANE_REDRAW|PANE_DROP))
1.15 nicm 1478: return;
1479:
1.178 nicm 1480: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 1481: if (!tty_client_ready(c, wp))
1.15 nicm 1482: continue;
1483:
1.309 nicm 1484: ctx->bigger = tty_window_offset(&c->tty, &ctx->ox, &ctx->oy,
1485: &ctx->sx, &ctx->sy);
1486:
1.139 nicm 1487: ctx->xoff = wp->xoff;
1488: ctx->yoff = wp->yoff;
1.309 nicm 1489:
1.139 nicm 1490: if (status_at_line(c) == 0)
1.309 nicm 1491: ctx->yoff += status_line_size(c);
1.113 nicm 1492:
1.139 nicm 1493: cmdfn(&c->tty, ctx);
1.1 nicm 1494: }
1495: }
1496:
1497: void
1.24 nicm 1498: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1499: {
1.77 nicm 1500: struct window_pane *wp = ctx->wp;
1.1 nicm 1501:
1.309 nicm 1502: if (ctx->bigger ||
1503: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1504: tty_fake_bce(tty, wp, ctx->bg) ||
1505: (!tty_term_has(tty->term, TTYC_ICH) &&
1506: !tty_term_has(tty->term, TTYC_ICH1))) {
1.309 nicm 1507: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1508: return;
1509: }
1510:
1.210 nicm 1511: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1512:
1.77 nicm 1513: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1514:
1.206 nicm 1515: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1516: }
1517:
1518: void
1.24 nicm 1519: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1520: {
1.77 nicm 1521: struct window_pane *wp = ctx->wp;
1.1 nicm 1522:
1.309 nicm 1523: if (ctx->bigger ||
1524: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1525: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 1526: (!tty_term_has(tty->term, TTYC_DCH) &&
1527: !tty_term_has(tty->term, TTYC_DCH1))) {
1.309 nicm 1528: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1529: return;
1530: }
1531:
1.210 nicm 1532: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1533:
1.77 nicm 1534: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1535:
1.206 nicm 1536: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1537: }
1538:
1539: void
1540: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1541: {
1.309 nicm 1542: if (ctx->bigger) {
1543: tty_draw_pane(tty, ctx, ctx->ocy);
1544: return;
1545: }
1546:
1.275 nicm 1547: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.146 nicm 1548:
1549: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1550:
1.210 nicm 1551: if (tty_term_has(tty->term, TTYC_ECH) &&
1.262 nicm 1552: !tty_fake_bce(tty, ctx->wp, 8))
1.146 nicm 1553: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1554: else
1555: tty_repeat_space(tty, ctx->num);
1.1 nicm 1556: }
1557:
1558: void
1.24 nicm 1559: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1560: {
1.309 nicm 1561: if (ctx->bigger ||
1562: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1563: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 1564: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1565: !tty_term_has(tty->term, TTYC_IL1) ||
1566: ctx->wp->sx == 1 ||
1567: ctx->wp->sy == 1) {
1.14 nicm 1568: tty_redraw_region(tty, ctx);
1.1 nicm 1569: return;
1570: }
1571:
1.210 nicm 1572: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1573:
1.77 nicm 1574: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1575: tty_margin_off(tty);
1.77 nicm 1576: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1577:
1.12 nicm 1578: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1579: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1580: }
1581:
1582: void
1.24 nicm 1583: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1584: {
1.309 nicm 1585: if (ctx->bigger ||
1586: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1587: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 1588: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1589: !tty_term_has(tty->term, TTYC_DL1) ||
1590: ctx->wp->sx == 1 ||
1591: ctx->wp->sy == 1) {
1.14 nicm 1592: tty_redraw_region(tty, ctx);
1.1 nicm 1593: return;
1594: }
1595:
1.210 nicm 1596: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1597:
1.77 nicm 1598: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1599: tty_margin_off(tty);
1.77 nicm 1600: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1601:
1.12 nicm 1602: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1603: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1604: }
1605:
1606: void
1.24 nicm 1607: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1608: {
1.77 nicm 1609: struct window_pane *wp = ctx->wp;
1.309 nicm 1610: u_int nx;
1.1 nicm 1611:
1.210 nicm 1612: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1613:
1.271 nicm 1614: nx = screen_size_x(wp->screen);
1.309 nicm 1615: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, nx, ctx->bg);
1.1 nicm 1616: }
1617:
1618: void
1.24 nicm 1619: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1620: {
1.77 nicm 1621: struct window_pane *wp = ctx->wp;
1.309 nicm 1622: u_int nx;
1.1 nicm 1623:
1.210 nicm 1624: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1625:
1.271 nicm 1626: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1627: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1628: }
1629:
1630: void
1.24 nicm 1631: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1632: {
1.210 nicm 1633: struct window_pane *wp = ctx->wp;
1634:
1635: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1636:
1.309 nicm 1637: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1638: }
1639:
1640: void
1.24 nicm 1641: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1642: {
1.278 nicm 1643: struct window_pane *wp = ctx->wp;
1644:
1.56 nicm 1645: if (ctx->ocy != ctx->orupper)
1646: return;
1647:
1.309 nicm 1648: if (ctx->bigger ||
1.331 nicm 1649: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.278 nicm 1650: tty_fake_bce(tty, wp, 8) ||
1.70 nicm 1651: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1652: (!tty_term_has(tty->term, TTYC_RI) &&
1653: !tty_term_has(tty->term, TTYC_RIN)) ||
1.307 nicm 1654: ctx->wp->sx == 1 ||
1655: ctx->wp->sy == 1) {
1.14 nicm 1656: tty_redraw_region(tty, ctx);
1.1 nicm 1657: return;
1658: }
1659:
1.278 nicm 1660: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1661:
1.56 nicm 1662: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1663: tty_margin_pane(tty, ctx);
1.56 nicm 1664: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1665:
1.331 nicm 1666: if (tty_term_has(tty->term, TTYC_RI))
1667: tty_putcode(tty, TTYC_RI);
1668: else
1669: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1670: }
1671:
1672: void
1.24 nicm 1673: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1674: {
1.77 nicm 1675: struct window_pane *wp = ctx->wp;
1.1 nicm 1676:
1.56 nicm 1677: if (ctx->ocy != ctx->orlower)
1678: return;
1679:
1.309 nicm 1680: if (ctx->bigger ||
1681: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1682: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1683: !tty_term_has(tty->term, TTYC_CSR) ||
1684: wp->sx == 1 ||
1685: wp->sy == 1) {
1.236 nicm 1686: tty_redraw_region(tty, ctx);
1.1 nicm 1687: return;
1688: }
1.52 nicm 1689:
1.278 nicm 1690: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1691:
1.56 nicm 1692: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1693: tty_margin_pane(tty, ctx);
1694:
1695: /*
1.301 nicm 1696: * If we want to wrap a pane while using margins, the cursor needs to
1697: * be exactly on the right of the region. If the cursor is entirely off
1698: * the edge - move it back to the right. Some terminals are funny about
1699: * this and insert extra spaces, so only use the right if margins are
1700: * enabled.
1.212 nicm 1701: */
1.301 nicm 1702: if (ctx->xoff + ctx->ocx > tty->rright) {
1703: if (!tty_use_margin(tty))
1704: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1705: else
1706: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1707: } else
1.212 nicm 1708: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1709:
1.56 nicm 1710: tty_putc(tty, '\n');
1.240 nicm 1711: }
1712:
1713: void
1714: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1715: {
1716: struct window_pane *wp = ctx->wp;
1.284 nicm 1717: u_int i;
1.240 nicm 1718:
1.309 nicm 1719: if (ctx->bigger ||
1720: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1721: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1722: !tty_term_has(tty->term, TTYC_CSR) ||
1723: wp->sx == 1 ||
1724: wp->sy == 1) {
1.240 nicm 1725: tty_redraw_region(tty, ctx);
1726: return;
1727: }
1728:
1.278 nicm 1729: tty_default_attributes(tty, wp, ctx->bg);
1.240 nicm 1730:
1731: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1732: tty_margin_pane(tty, ctx);
1733:
1.284 nicm 1734: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1735: if (!tty_use_margin(tty))
1736: tty_cursor(tty, 0, tty->rlower);
1737: else
1738: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1739: for (i = 0; i < ctx->num; i++)
1.240 nicm 1740: tty_putc(tty, '\n');
1.301 nicm 1741: } else {
1.353 nicm 1742: if (tty->cy == UINT_MAX)
1743: tty_cursor(tty, 0, 0);
1744: else
1745: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1746: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1747: }
1748: }
1749:
1750: void
1751: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1752: {
1753: struct window_pane *wp = ctx->wp;
1754: u_int i;
1755:
1756: if (ctx->bigger ||
1757: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1758: tty_fake_bce(tty, wp, 8) ||
1759: !tty_term_has(tty->term, TTYC_CSR) ||
1760: (!tty_term_has(tty->term, TTYC_RI) &&
1761: !tty_term_has(tty->term, TTYC_RIN)) ||
1762: wp->sx == 1 ||
1763: wp->sy == 1) {
1764: tty_redraw_region(tty, ctx);
1765: return;
1766: }
1767:
1768: tty_default_attributes(tty, wp, ctx->bg);
1769:
1770: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1771: tty_margin_pane(tty, ctx);
1772: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1773:
1774: if (tty_term_has(tty->term, TTYC_RIN))
1775: tty_putcode1(tty, TTYC_RIN, ctx->num);
1776: else {
1777: for (i = 0; i < ctx->num; i++)
1778: tty_putcode(tty, TTYC_RI);
1.301 nicm 1779: }
1.1 nicm 1780: }
1781:
1782: void
1.24 nicm 1783: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1784: {
1.77 nicm 1785: struct window_pane *wp = ctx->wp;
1.271 nicm 1786: u_int px, py, nx, ny;
1.1 nicm 1787:
1.210 nicm 1788: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1789:
1.271 nicm 1790: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1791: tty_margin_off(tty);
1.39 nicm 1792:
1.309 nicm 1793: px = 0;
1.271 nicm 1794: nx = screen_size_x(wp->screen);
1.309 nicm 1795: py = ctx->ocy + 1;
1.271 nicm 1796: ny = screen_size_y(wp->screen) - ctx->ocy - 1;
1797:
1.309 nicm 1798: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1799:
1.309 nicm 1800: px = ctx->ocx;
1.271 nicm 1801: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1802: py = ctx->ocy;
1.271 nicm 1803:
1.309 nicm 1804: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1805: }
1806:
1807: void
1.24 nicm 1808: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1809: {
1.77 nicm 1810: struct window_pane *wp = ctx->wp;
1.271 nicm 1811: u_int px, py, nx, ny;
1.1 nicm 1812:
1.227 nicm 1813: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1814:
1.271 nicm 1815: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1816: tty_margin_off(tty);
1.39 nicm 1817:
1.309 nicm 1818: px = 0;
1.271 nicm 1819: nx = screen_size_x(wp->screen);
1.309 nicm 1820: py = 0;
1.319 nicm 1821: ny = ctx->ocy;
1.271 nicm 1822:
1.309 nicm 1823: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1824:
1.309 nicm 1825: px = 0;
1.271 nicm 1826: nx = ctx->ocx + 1;
1.309 nicm 1827: py = ctx->ocy;
1.271 nicm 1828:
1.309 nicm 1829: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1830: }
1831:
1832: void
1.24 nicm 1833: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1834: {
1.77 nicm 1835: struct window_pane *wp = ctx->wp;
1.271 nicm 1836: u_int px, py, nx, ny;
1.1 nicm 1837:
1.210 nicm 1838: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1839:
1.271 nicm 1840: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1841: tty_margin_off(tty);
1.39 nicm 1842:
1.309 nicm 1843: px = 0;
1.271 nicm 1844: nx = screen_size_x(wp->screen);
1.309 nicm 1845: py = 0;
1.271 nicm 1846: ny = screen_size_y(wp->screen);
1847:
1.309 nicm 1848: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1849: }
1850:
1851: void
1.24 nicm 1852: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1853: {
1.12 nicm 1854: struct window_pane *wp = ctx->wp;
1855: struct screen *s = wp->screen;
1856: u_int i, j;
1.4 nicm 1857:
1.309 nicm 1858: if (ctx->bigger) {
1859: wp->flags |= PANE_REDRAW;
1860: return;
1861: }
1862:
1.176 nicm 1863: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1864:
1.39 nicm 1865: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1866: tty_margin_off(tty);
1.4 nicm 1867:
1868: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1869: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1870: for (i = 0; i < screen_size_x(s); i++)
1871: tty_putc(tty, 'E');
1.1 nicm 1872: }
1873: }
1874:
1875: void
1.24 nicm 1876: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1877: {
1.309 nicm 1878: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1))
1879: return;
1880:
1881: if (ctx->xoff + ctx->ocx - ctx->ox > tty->sx - 1 &&
1.306 nicm 1882: ctx->ocy == ctx->orlower &&
1883: tty_pane_full_width(tty, ctx))
1884: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1885:
1.306 nicm 1886: tty_margin_off(tty);
1.253 nicm 1887: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1888:
1.237 nicm 1889: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1890: }
1891:
1892: void
1893: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1894: {
1.309 nicm 1895: struct window_pane *wp = ctx->wp;
1896:
1897: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1898: return;
1899:
1900: if (ctx->bigger &&
1901: (ctx->xoff + ctx->ocx < ctx->ox ||
1902: ctx->xoff + ctx->ocx + ctx->num > ctx->ox + ctx->sx)) {
1903: if (!ctx->wrapped ||
1904: !tty_pane_full_width(tty, ctx) ||
1.349 nicm 1905: (tty_get_flags(tty) & TERM_NOXENL) ||
1.309 nicm 1906: ctx->xoff + ctx->ocx != 0 ||
1907: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1908: tty->cx < tty->sx ||
1909: tty->cy == tty->rlower)
1910: tty_draw_pane(tty, ctx, ctx->ocy);
1911: else
1912: wp->flags |= PANE_REDRAW;
1913: return;
1914: }
1915:
1.306 nicm 1916: tty_margin_off(tty);
1.253 nicm 1917: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1918:
1919: tty_attributes(tty, ctx->cell, ctx->wp);
1920: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1921: }
1922:
1923: void
1924: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1925: {
1926: char *buf;
1927: size_t off;
1928:
1929: if (!tty_term_has(tty->term, TTYC_MS))
1930: return;
1931:
1932: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1933: buf = xmalloc(off);
1934:
1935: b64_ntop(ctx->ptr, ctx->num, buf, off);
1936: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1937:
1.138 nicm 1938: free(buf);
1.100 nicm 1939: }
1940:
1941: void
1942: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1943: {
1.256 nicm 1944: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1945: tty_invalidate(tty);
1.348 nicm 1946: }
1947:
1948: void
1949: tty_cmd_syncstart(struct tty *tty, __unused const struct tty_ctx *ctx)
1950: {
1951: tty_sync_start(tty);
1952: }
1953:
1954: void
1955: tty_cmd_syncend(struct tty *tty, __unused const struct tty_ctx *ctx)
1956: {
1957: tty_sync_end(tty);
1.1 nicm 1958: }
1959:
1.207 nicm 1960: static void
1.317 nicm 1961: tty_cell(struct tty *tty, const struct grid_cell *gc, struct window_pane *wp)
1.1 nicm 1962: {
1.298 nicm 1963: const struct grid_cell *gcp;
1.1 nicm 1964:
1965: /* Skip last character if terminal is stupid. */
1.349 nicm 1966: if ((tty_get_flags(tty) & TERM_NOXENL) &&
1.211 nicm 1967: tty->cy == tty->sy - 1 &&
1968: tty->cx == tty->sx - 1)
1.1 nicm 1969: return;
1970:
1971: /* If this is a padding character, do nothing. */
1972: if (gc->flags & GRID_FLAG_PADDING)
1973: return;
1974:
1975: /* Set the attributes. */
1.176 nicm 1976: tty_attributes(tty, gc, wp);
1.1 nicm 1977:
1.147 nicm 1978: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.298 nicm 1979: gcp = tty_check_codeset(tty, gc);
1980: if (gcp->data.size == 1) {
1981: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 1982: return;
1.298 nicm 1983: tty_putc(tty, *gcp->data.data);
1.1 nicm 1984: return;
1985: }
1986:
1.147 nicm 1987: /* Write the data. */
1.298 nicm 1988: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 1989: }
1990:
1991: void
1992: tty_reset(struct tty *tty)
1993: {
1994: struct grid_cell *gc = &tty->cell;
1995:
1.228 nicm 1996: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 1997: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 1998: tty_putcode(tty, TTYC_RMACS);
1999: tty_putcode(tty, TTYC_SGR0);
2000: memcpy(gc, &grid_default_cell, sizeof *gc);
2001: }
1.1 nicm 2002:
1.228 nicm 2003: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
2004: tty->last_wp = -1;
1.242 nicm 2005: }
2006:
2007: static void
2008: tty_invalidate(struct tty *tty)
2009: {
2010: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
2011:
2012: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
2013: tty->last_wp = -1;
2014:
2015: tty->cx = tty->cy = UINT_MAX;
2016:
2017: tty->rupper = tty->rleft = UINT_MAX;
2018: tty->rlower = tty->rright = UINT_MAX;
2019:
2020: if (tty->flags & TTY_STARTED) {
1.330 nicm 2021: if (tty_use_margin(tty))
2022: tty_puts(tty, "\033[?69h"); /* DECLRMM */
1.242 nicm 2023: tty_putcode(tty, TTYC_SGR0);
2024:
2025: tty->mode = ALL_MODES;
2026: tty_update_mode(tty, MODE_CURSOR, NULL);
2027:
2028: tty_cursor(tty, 0, 0);
2029: tty_region_off(tty);
2030: tty_margin_off(tty);
2031: } else
2032: tty->mode = MODE_CURSOR;
1.1 nicm 2033: }
2034:
1.214 nicm 2035: /* Turn off margin. */
2036: void
2037: tty_region_off(struct tty *tty)
2038: {
2039: tty_region(tty, 0, tty->sy - 1);
2040: }
2041:
1.40 nicm 2042: /* Set region inside pane. */
1.208 nicm 2043: static void
1.196 nicm 2044: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
2045: u_int rlower)
1.1 nicm 2046: {
1.309 nicm 2047: tty_region(tty, ctx->yoff + rupper - ctx->oy,
2048: ctx->yoff + rlower - ctx->oy);
1.39 nicm 2049: }
2050:
1.40 nicm 2051: /* Set region at absolute position. */
1.214 nicm 2052: static void
1.40 nicm 2053: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2054: {
2055: if (tty->rlower == rlower && tty->rupper == rupper)
2056: return;
1.1 nicm 2057: if (!tty_term_has(tty->term, TTYC_CSR))
2058: return;
1.39 nicm 2059:
2060: tty->rupper = rupper;
2061: tty->rlower = rlower;
1.55 nicm 2062:
2063: /*
2064: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2065: * 0,0 if it is beyond the last column (they do not reset their wrap
2066: * flag so further output causes a line feed). As a workaround, do an
2067: * explicit move to 0 first.
2068: */
1.353 nicm 2069: if (tty->cx >= tty->sx) {
2070: if (tty->cy == UINT_MAX)
2071: tty_cursor(tty, 0, 0);
2072: else
2073: tty_cursor(tty, 0, tty->cy);
2074: }
1.42 nicm 2075:
1.39 nicm 2076: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2077: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2078: }
2079:
1.214 nicm 2080: /* Turn off margin. */
2081: void
2082: tty_margin_off(struct tty *tty)
2083: {
2084: tty_margin(tty, 0, tty->sx - 1);
2085: }
2086:
1.212 nicm 2087: /* Set margin inside pane. */
2088: static void
2089: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2090: {
1.309 nicm 2091: tty_margin(tty, ctx->xoff - ctx->ox,
2092: ctx->xoff + ctx->wp->sx - 1 - ctx->ox);
1.212 nicm 2093: }
2094:
2095: /* Set margin at absolute position. */
1.214 nicm 2096: static void
1.212 nicm 2097: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2098: {
2099: char s[64];
2100:
2101: if (!tty_use_margin(tty))
2102: return;
2103: if (tty->rleft == rleft && tty->rright == rright)
2104: return;
2105:
1.232 nicm 2106: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2107:
1.212 nicm 2108: tty->rleft = rleft;
2109: tty->rright = rright;
2110:
1.232 nicm 2111: if (rleft == 0 && rright == tty->sx - 1)
2112: snprintf(s, sizeof s, "\033[s");
2113: else
2114: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 2115: tty_puts(tty, s);
1.249 nicm 2116: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2117: }
2118:
2119: /*
2120: * Move the cursor, unless it would wrap itself when the next character is
2121: * printed.
2122: */
2123: static void
2124: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2125: u_int cx, u_int cy)
2126: {
1.268 nicm 2127: if (!ctx->wrapped ||
2128: !tty_pane_full_width(tty, ctx) ||
1.349 nicm 2129: (tty_get_flags(tty) & TERM_NOXENL) ||
1.253 nicm 2130: ctx->xoff + cx != 0 ||
2131: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2132: tty->cx < tty->sx ||
2133: tty->cy == tty->rlower)
1.253 nicm 2134: tty_cursor_pane(tty, ctx, cx, cy);
2135: else
2136: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2137: }
2138:
1.42 nicm 2139: /* Move cursor inside pane. */
1.208 nicm 2140: static void
1.41 nicm 2141: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2142: {
1.309 nicm 2143: tty_cursor(tty, ctx->xoff + cx - ctx->ox, ctx->yoff + cy - ctx->oy);
1.41 nicm 2144: }
2145:
1.42 nicm 2146: /* Move cursor to absolute position. */
1.41 nicm 2147: void
2148: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2149: {
1.42 nicm 2150: struct tty_term *term = tty->term;
2151: u_int thisx, thisy;
2152: int change;
1.354 nicm 2153:
2154: if (tty->flags & TTY_BLOCK)
2155: return;
1.77 nicm 2156:
1.42 nicm 2157: if (cx > tty->sx - 1)
2158: cx = tty->sx - 1;
2159:
2160: thisx = tty->cx;
2161: thisy = tty->cy;
2162:
2163: /* No change. */
2164: if (cx == thisx && cy == thisy)
2165: return;
2166:
1.43 nicm 2167: /* Very end of the line, just use absolute movement. */
2168: if (thisx > tty->sx - 1)
2169: goto absolute;
2170:
1.42 nicm 2171: /* Move to home position (0, 0). */
2172: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2173: tty_putcode(tty, TTYC_HOME);
2174: goto out;
2175: }
2176:
2177: /* Zero on the next line. */
1.293 nicm 2178: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2179: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2180: tty_putc(tty, '\r');
1.42 nicm 2181: tty_putc(tty, '\n');
2182: goto out;
2183: }
2184:
1.45 nicm 2185: /* Moving column or row. */
1.42 nicm 2186: if (cy == thisy) {
1.45 nicm 2187: /*
2188: * Moving column only, row staying the same.
2189: */
2190:
1.42 nicm 2191: /* To left edge. */
1.294 nicm 2192: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2193: tty_putc(tty, '\r');
2194: goto out;
2195: }
2196:
2197: /* One to the left. */
2198: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2199: tty_putcode(tty, TTYC_CUB1);
2200: goto out;
2201: }
2202:
2203: /* One to the right. */
2204: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2205: tty_putcode(tty, TTYC_CUF1);
2206: goto out;
2207: }
2208:
2209: /* Calculate difference. */
2210: change = thisx - cx; /* +ve left, -ve right */
2211:
2212: /*
2213: * Use HPA if change is larger than absolute, otherwise move
2214: * the cursor with CUB/CUF.
2215: */
1.87 nicm 2216: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2217: tty_putcode1(tty, TTYC_HPA, cx);
2218: goto out;
1.333 nicm 2219: } else if (change > 0 &&
2220: tty_term_has(term, TTYC_CUB) &&
2221: !tty_use_margin(tty)) {
1.202 nicm 2222: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2223: tty_putcode(tty, TTYC_CUB1);
2224: tty_putcode(tty, TTYC_CUB1);
2225: goto out;
2226: }
1.42 nicm 2227: tty_putcode1(tty, TTYC_CUB, change);
2228: goto out;
1.333 nicm 2229: } else if (change < 0 &&
2230: tty_term_has(term, TTYC_CUF) &&
2231: !tty_use_margin(tty)) {
1.42 nicm 2232: tty_putcode1(tty, TTYC_CUF, -change);
2233: goto out;
2234: }
1.45 nicm 2235: } else if (cx == thisx) {
2236: /*
2237: * Moving row only, column staying the same.
2238: */
1.42 nicm 2239:
2240: /* One above. */
1.77 nicm 2241: if (thisy != tty->rupper &&
1.42 nicm 2242: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2243: tty_putcode(tty, TTYC_CUU1);
2244: goto out;
2245: }
2246:
2247: /* One below. */
1.49 nicm 2248: if (thisy != tty->rlower &&
1.42 nicm 2249: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2250: tty_putcode(tty, TTYC_CUD1);
2251: goto out;
2252: }
2253:
2254: /* Calculate difference. */
2255: change = thisy - cy; /* +ve up, -ve down */
2256:
2257: /*
1.77 nicm 2258: * Try to use VPA if change is larger than absolute or if this
2259: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2260: */
1.87 nicm 2261: if ((u_int) abs(change) > cy ||
1.42 nicm 2262: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2263: (change > 0 && cy - change < tty->rupper)) {
2264: if (tty_term_has(term, TTYC_VPA)) {
2265: tty_putcode1(tty, TTYC_VPA, cy);
2266: goto out;
2267: }
1.42 nicm 2268: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2269: tty_putcode1(tty, TTYC_CUU, change);
2270: goto out;
2271: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2272: tty_putcode1(tty, TTYC_CUD, -change);
2273: goto out;
2274: }
2275: }
2276:
1.43 nicm 2277: absolute:
1.42 nicm 2278: /* Absolute movement. */
2279: tty_putcode2(tty, TTYC_CUP, cy, cx);
2280:
2281: out:
2282: tty->cx = cx;
2283: tty->cy = cy;
1.1 nicm 2284: }
2285:
2286: void
1.176 nicm 2287: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.317 nicm 2288: struct window_pane *wp)
1.1 nicm 2289: {
1.63 nicm 2290: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2291: int changed;
1.61 nicm 2292:
1.228 nicm 2293: /* Ignore cell if it is the same as the last one. */
2294: if (wp != NULL &&
2295: (int)wp->id == tty->last_wp &&
1.326 nicm 2296: ~(wp->flags & PANE_STYLECHANGED) &&
1.228 nicm 2297: gc->attr == tty->last_cell.attr &&
2298: gc->fg == tty->last_cell.fg &&
1.328 nicm 2299: gc->bg == tty->last_cell.bg &&
2300: gc->us == tty->last_cell.us)
1.228 nicm 2301: return;
2302: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
2303: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
2304:
2305: /* Copy cell and update default colours. */
1.85 nicm 2306: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 2307: if (wp != NULL)
2308: tty_default_colours(&gc2, wp);
1.63 nicm 2309:
1.18 nicm 2310: /*
2311: * If no setab, try to use the reverse attribute as a best-effort for a
2312: * non-default background. This is a bit of a hack but it doesn't do
2313: * any serious harm and makes a couple of applications happier.
2314: */
2315: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2316: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2317: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2318: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2319: } else {
1.310 nicm 2320: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2321: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2322: }
2323: }
1.1 nicm 2324:
1.85 nicm 2325: /* Fix up the colours if necessary. */
1.219 nicm 2326: tty_check_fg(tty, wp, &gc2);
2327: tty_check_bg(tty, wp, &gc2);
1.328 nicm 2328: tty_check_us(tty, wp, &gc2);
1.85 nicm 2329:
1.328 nicm 2330: /*
2331: * If any bits are being cleared or the underline colour is now default,
2332: * reset everything.
2333: */
2334: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2335: tty_reset(tty);
2336:
2337: /*
2338: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2339: * may add to (NOT remove) the desired attributes.
1.64 nicm 2340: */
1.85 nicm 2341: tty_colours(tty, &gc2);
1.64 nicm 2342:
1.1 nicm 2343: /* Filter out attribute bits already set. */
1.85 nicm 2344: changed = gc2.attr & ~tc->attr;
2345: tc->attr = gc2.attr;
1.1 nicm 2346:
2347: /* Set the attributes. */
2348: if (changed & GRID_ATTR_BRIGHT)
2349: tty_putcode(tty, TTYC_BOLD);
2350: if (changed & GRID_ATTR_DIM)
2351: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2352: if (changed & GRID_ATTR_ITALICS)
2353: tty_set_italics(tty);
1.308 nicm 2354: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2355: if ((changed & GRID_ATTR_UNDERSCORE) ||
2356: !tty_term_has(tty->term, TTYC_SMULX))
2357: tty_putcode(tty, TTYC_SMUL);
2358: else if (changed & GRID_ATTR_UNDERSCORE_2)
2359: tty_putcode1(tty, TTYC_SMULX, 2);
2360: else if (changed & GRID_ATTR_UNDERSCORE_3)
2361: tty_putcode1(tty, TTYC_SMULX, 3);
2362: else if (changed & GRID_ATTR_UNDERSCORE_4)
2363: tty_putcode1(tty, TTYC_SMULX, 4);
2364: else if (changed & GRID_ATTR_UNDERSCORE_5)
2365: tty_putcode1(tty, TTYC_SMULX, 5);
2366: }
1.1 nicm 2367: if (changed & GRID_ATTR_BLINK)
2368: tty_putcode(tty, TTYC_BLINK);
2369: if (changed & GRID_ATTR_REVERSE) {
2370: if (tty_term_has(tty->term, TTYC_REV))
2371: tty_putcode(tty, TTYC_REV);
2372: else if (tty_term_has(tty->term, TTYC_SMSO))
2373: tty_putcode(tty, TTYC_SMSO);
2374: }
2375: if (changed & GRID_ATTR_HIDDEN)
2376: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2377: if (changed & GRID_ATTR_STRIKETHROUGH)
2378: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2379: if (changed & GRID_ATTR_OVERLINE)
2380: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2381: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2382: tty_putcode(tty, TTYC_SMACS);
2383: }
2384:
1.207 nicm 2385: static void
1.85 nicm 2386: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2387: {
1.61 nicm 2388: struct grid_cell *tc = &tty->cell;
1.204 nicm 2389: int have_ax;
1.61 nicm 2390:
2391: /* No changes? Nothing is necessary. */
1.328 nicm 2392: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2393: return;
1.1 nicm 2394:
1.61 nicm 2395: /*
2396: * Is either the default colour? This is handled specially because the
2397: * best solution might be to reset both colours to default, in which
2398: * case if only one is default need to fall onward to set the other
2399: * colour.
2400: */
1.310 nicm 2401: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2402: /*
2403: * If don't have AX but do have op, send sgr0 (op can't
2404: * actually be used because it is sometimes the same as sgr0
2405: * and sometimes isn't). This resets both colours to default.
2406: *
2407: * Otherwise, try to set the default colour only as needed.
2408: */
1.174 nicm 2409: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2410: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2411: tty_reset(tty);
2412: else {
1.310 nicm 2413: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2414: if (have_ax)
2415: tty_puts(tty, "\033[39m");
1.204 nicm 2416: else if (tc->fg != 7)
1.61 nicm 2417: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2418: tc->fg = gc->fg;
1.61 nicm 2419: }
1.310 nicm 2420: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2421: if (have_ax)
1.61 nicm 2422: tty_puts(tty, "\033[49m");
1.204 nicm 2423: else if (tc->bg != 0)
1.61 nicm 2424: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2425: tc->bg = gc->bg;
1.61 nicm 2426: }
2427: }
2428: }
1.1 nicm 2429:
1.61 nicm 2430: /* Set the foreground colour. */
1.310 nicm 2431: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2432: tty_colours_fg(tty, gc);
1.1 nicm 2433:
1.61 nicm 2434: /*
2435: * Set the background colour. This must come after the foreground as
2436: * tty_colour_fg() can call tty_reset().
2437: */
1.310 nicm 2438: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2439: tty_colours_bg(tty, gc);
1.328 nicm 2440:
2441: /* Set the underscore color. */
2442: if (gc->us != tc->us)
2443: tty_colours_us(tty, gc);
1.1 nicm 2444: }
2445:
1.219 nicm 2446: static void
1.317 nicm 2447: tty_check_fg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2448: {
1.204 nicm 2449: u_char r, g, b;
2450: u_int colours;
1.223 nicm 2451: int c;
1.85 nicm 2452:
1.288 nicm 2453: /*
2454: * Perform substitution if this pane has a palette. If the bright
2455: * attribute is set, use the bright entry in the palette by changing to
2456: * the aixterm colour.
2457: */
2458: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2459: c = gc->fg;
1.289 nicm 2460: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2461: c += 90;
2462: if ((c = window_pane_get_palette(wp, c)) != -1)
2463: gc->fg = c;
2464: }
1.219 nicm 2465:
1.199 nicm 2466: /* Is this a 24-bit colour? */
1.204 nicm 2467: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2468: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.349 nicm 2469: if (tty_get_flags(tty) & TERM_RGBCOLOURS)
1.200 nicm 2470: return;
1.341 nicm 2471: colour_split_rgb(gc->fg, &r, &g, &b);
2472: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2473: }
1.224 nicm 2474:
2475: /* How many colours does this terminal have? */
1.349 nicm 2476: if (tty_get_flags(tty) & TERM_256COLOURS)
1.224 nicm 2477: colours = 256;
2478: else
2479: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2480:
1.85 nicm 2481: /* Is this a 256-colour colour? */
1.204 nicm 2482: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2483: /* And not a 256 colour mode? */
1.224 nicm 2484: if (colours != 256) {
1.85 nicm 2485: gc->fg = colour_256to16(gc->fg);
2486: if (gc->fg & 8) {
2487: gc->fg &= 7;
1.175 nicm 2488: if (colours >= 16)
2489: gc->fg += 90;
1.332 nicm 2490: }
1.85 nicm 2491: }
2492: return;
2493: }
2494:
2495: /* Is this an aixterm colour? */
2496: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2497: gc->fg -= 90;
2498: gc->attr |= GRID_ATTR_BRIGHT;
2499: }
2500: }
2501:
1.219 nicm 2502: static void
1.317 nicm 2503: tty_check_bg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2504: {
1.204 nicm 2505: u_char r, g, b;
2506: u_int colours;
1.223 nicm 2507: int c;
1.85 nicm 2508:
1.288 nicm 2509: /* Perform substitution if this pane has a palette. */
2510: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2511: if ((c = window_pane_get_palette(wp, gc->bg)) != -1)
2512: gc->bg = c;
2513: }
1.219 nicm 2514:
1.199 nicm 2515: /* Is this a 24-bit colour? */
1.204 nicm 2516: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2517: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.349 nicm 2518: if (tty_get_flags(tty) & TERM_RGBCOLOURS)
1.200 nicm 2519: return;
1.341 nicm 2520: colour_split_rgb(gc->bg, &r, &g, &b);
2521: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2522: }
1.224 nicm 2523:
2524: /* How many colours does this terminal have? */
1.349 nicm 2525: if (tty_get_flags(tty) & TERM_256COLOURS)
1.224 nicm 2526: colours = 256;
2527: else
2528: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2529:
1.85 nicm 2530: /* Is this a 256-colour colour? */
1.204 nicm 2531: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2532: /*
2533: * And not a 256 colour mode? Translate to 16-colour
2534: * palette. Bold background doesn't exist portably, so just
2535: * discard the bold bit if set.
2536: */
1.224 nicm 2537: if (colours != 256) {
1.85 nicm 2538: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2539: if (gc->bg & 8) {
1.85 nicm 2540: gc->bg &= 7;
1.175 nicm 2541: if (colours >= 16)
1.322 nicm 2542: gc->bg += 90;
1.175 nicm 2543: }
1.85 nicm 2544: }
2545: return;
2546: }
2547:
2548: /* Is this an aixterm colour? */
1.175 nicm 2549: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2550: gc->bg -= 90;
2551: }
2552:
1.207 nicm 2553: static void
1.335 nicm 2554: tty_check_us(__unused struct tty *tty, struct window_pane *wp,
2555: struct grid_cell *gc)
1.328 nicm 2556: {
2557: int c;
2558:
2559: /* Perform substitution if this pane has a palette. */
2560: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2561: if ((c = window_pane_get_palette(wp, gc->us)) != -1)
2562: gc->us = c;
2563: }
2564:
2565: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2566: if (gc->us & COLOUR_FLAG_256)
2567: gc->us = colour_256toRGB (gc->us);
2568: }
2569:
2570: static void
1.85 nicm 2571: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2572: {
1.61 nicm 2573: struct grid_cell *tc = &tty->cell;
1.79 nicm 2574: char s[32];
1.1 nicm 2575:
1.204 nicm 2576: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2577: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2578: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 2579: goto save_fg;
1.199 nicm 2580: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2581: return;
1.1 nicm 2582: }
2583:
1.79 nicm 2584: /* Is this an aixterm bright colour? */
1.204 nicm 2585: if (gc->fg >= 90 && gc->fg <= 97) {
1.349 nicm 2586: if (tty_get_flags(tty) & TERM_256COLOURS) {
1.323 nicm 2587: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2588: tty_puts(tty, s);
2589: } else
2590: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.85 nicm 2591: goto save_fg;
1.79 nicm 2592: }
2593:
1.61 nicm 2594: /* Otherwise set the foreground colour. */
1.204 nicm 2595: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2596:
1.77 nicm 2597: save_fg:
1.61 nicm 2598: /* Save the new values in the terminal current cell. */
1.204 nicm 2599: tc->fg = gc->fg;
1.1 nicm 2600: }
2601:
1.207 nicm 2602: static void
1.73 nicm 2603: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2604: {
1.61 nicm 2605: struct grid_cell *tc = &tty->cell;
1.79 nicm 2606: char s[32];
1.1 nicm 2607:
1.204 nicm 2608: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2609: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2610: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 2611: goto save_bg;
1.199 nicm 2612: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2613: return;
1.79 nicm 2614: }
2615:
2616: /* Is this an aixterm bright colour? */
1.204 nicm 2617: if (gc->bg >= 90 && gc->bg <= 97) {
1.349 nicm 2618: if (tty_get_flags(tty) & TERM_256COLOURS) {
1.323 nicm 2619: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2620: tty_puts(tty, s);
2621: } else
2622: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.175 nicm 2623: goto save_bg;
1.1 nicm 2624: }
2625:
1.61 nicm 2626: /* Otherwise set the background colour. */
1.204 nicm 2627: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2628:
2629: save_bg:
2630: /* Save the new values in the terminal current cell. */
1.204 nicm 2631: tc->bg = gc->bg;
1.328 nicm 2632: }
2633:
2634: static void
2635: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2636: {
2637: struct grid_cell *tc = &tty->cell;
2638: u_int c;
2639: u_char r, g, b;
2640:
2641: /* Must be an RGB colour - this should never happen. */
2642: if (~gc->us & COLOUR_FLAG_RGB)
2643: return;
2644:
2645: /*
2646: * Setulc follows the ncurses(3) one argument "direct colour"
2647: * capability format. Calculate the colour value.
2648: */
2649: colour_split_rgb(gc->us, &r, &g, &b);
2650: c = (65536 * r) + (256 * g) + b;
2651:
2652: /* Write the colour. */
2653: tty_putcode1(tty, TTYC_SETULC, c);
2654:
2655: /* Save the new values in the terminal current cell. */
2656: tc->us = gc->us;
1.61 nicm 2657: }
2658:
1.207 nicm 2659: static int
1.204 nicm 2660: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2661: {
1.204 nicm 2662: u_char r, g, b;
1.61 nicm 2663: char s[32];
2664:
1.204 nicm 2665: if (colour & COLOUR_FLAG_256) {
2666: /*
1.300 nicm 2667: * If the user has specified -2 to the client (meaning
2668: * TERM_256COLOURS is set), setaf and setab may not work (or
2669: * they may not want to use them), so send the usual sequence.
2670: *
2671: * Also if RGB is set, setaf and setab do not support the 256
2672: * colour palette so use the sequences directly there too.
1.204 nicm 2673: */
1.349 nicm 2674: if ((tty_get_flags(tty) & TERM_256COLOURS) ||
1.300 nicm 2675: tty_term_has(tty->term, TTYC_RGB))
1.204 nicm 2676: goto fallback_256;
1.189 nicm 2677:
1.204 nicm 2678: /*
2679: * If the terminfo entry has 256 colours and setaf and setab
2680: * exist, assume that they work correctly.
2681: */
1.349 nicm 2682: if (tty_get_flags(tty) & TERM_256COLOURS) {
1.204 nicm 2683: if (*type == '3') {
2684: if (!tty_term_has(tty->term, TTYC_SETAF))
2685: goto fallback_256;
2686: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2687: } else {
2688: if (!tty_term_has(tty->term, TTYC_SETAB))
2689: goto fallback_256;
2690: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2691: }
2692: return (0);
1.188 nicm 2693: }
1.204 nicm 2694: goto fallback_256;
2695: }
2696:
2697: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2698: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.286 nicm 2699: if (*type == '3') {
2700: if (!tty_term_has(tty->term, TTYC_SETRGBF))
1.341 nicm 2701: goto fallback_rgb;
1.286 nicm 2702: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
2703: } else {
2704: if (!tty_term_has(tty->term, TTYC_SETRGBB))
1.341 nicm 2705: goto fallback_rgb;
1.286 nicm 2706: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
2707: }
1.165 nicm 2708: return (0);
2709: }
1.61 nicm 2710:
1.165 nicm 2711: return (-1);
1.188 nicm 2712:
1.204 nicm 2713: fallback_256:
2714: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.300 nicm 2715: log_debug("%s: 256 colour fallback: %s", tty->client->name, s);
1.341 nicm 2716: tty_puts(tty, s);
2717: return (0);
2718:
2719: fallback_rgb:
2720: xsnprintf(s, sizeof s, "\033[%s;2;%d;%d;%dm", type, r, g, b);
2721: log_debug("%s: RGB colour fallback: %s", tty->client->name, s);
1.188 nicm 2722: tty_puts(tty, s);
2723: return (0);
1.176 nicm 2724: }
2725:
1.207 nicm 2726: static void
1.317 nicm 2727: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2728: {
1.326 nicm 2729: struct options *oo = wp->options;
2730: struct style *style, *active_style;
2731: int c;
2732:
2733: if (wp->flags & PANE_STYLECHANGED) {
2734: wp->flags &= ~PANE_STYLECHANGED;
2735:
2736: active_style = options_get_style(oo, "window-active-style");
2737: style = options_get_style(oo, "window-style");
2738:
2739: style_copy(&wp->cached_active_style, active_style);
2740: style_copy(&wp->cached_style, style);
1.203 nicm 2741: } else {
1.326 nicm 2742: active_style = &wp->cached_active_style;
2743: style = &wp->cached_style;
1.203 nicm 2744: }
1.176 nicm 2745:
1.204 nicm 2746: if (gc->fg == 8) {
1.326 nicm 2747: if (wp == wp->window->active && active_style->gc.fg != 8)
2748: gc->fg = active_style->gc.fg;
1.204 nicm 2749: else
1.326 nicm 2750: gc->fg = style->gc.fg;
1.219 nicm 2751:
1.310 nicm 2752: if (gc->fg != 8) {
2753: c = window_pane_get_palette(wp, gc->fg);
2754: if (c != -1)
2755: gc->fg = c;
2756: }
1.176 nicm 2757: }
2758:
1.204 nicm 2759: if (gc->bg == 8) {
1.326 nicm 2760: if (wp == wp->window->active && active_style->gc.bg != 8)
2761: gc->bg = active_style->gc.bg;
1.204 nicm 2762: else
1.326 nicm 2763: gc->bg = style->gc.bg;
1.219 nicm 2764:
1.310 nicm 2765: if (gc->bg != 8) {
2766: c = window_pane_get_palette(wp, gc->bg);
2767: if (c != -1)
2768: gc->bg = c;
2769: }
1.176 nicm 2770: }
1.210 nicm 2771: }
2772:
2773: static void
1.317 nicm 2774: tty_default_attributes(struct tty *tty, struct window_pane *wp, u_int bg)
1.210 nicm 2775: {
2776: static struct grid_cell gc;
2777:
2778: memcpy(&gc, &grid_default_cell, sizeof gc);
2779: gc.bg = bg;
2780: tty_attributes(tty, &gc, wp);
1.1 nicm 2781: }
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