Annotation of src/usr.bin/tmux/tty.c, Revision 1.375
1.375 ! nicm 1: /* $OpenBSD: tty.c,v 1.374 2020/05/16 15:36:57 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:
1.373 nicm 37: static int tty_client_ready(struct client *);
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 *);
1.373 nicm 48: static void tty_check_fg(struct tty *, int *, struct grid_cell *);
49: static void tty_check_bg(struct tty *, int *, struct grid_cell *);
50: static void tty_check_us(struct tty *, int *, struct grid_cell *);
1.207 nicm 51: static void tty_colours_fg(struct tty *, const struct grid_cell *);
52: static void tty_colours_bg(struct tty *, const struct grid_cell *);
1.328 nicm 53: static void tty_colours_us(struct tty *, const struct grid_cell *);
1.207 nicm 54:
1.208 nicm 55: static void tty_region_pane(struct tty *, const struct tty_ctx *, u_int,
56: u_int);
1.214 nicm 57: static void tty_region(struct tty *, u_int, u_int);
1.212 nicm 58: static void tty_margin_pane(struct tty *, const struct tty_ctx *);
1.214 nicm 59: static void tty_margin(struct tty *, u_int, u_int);
1.207 nicm 60: static int tty_large_region(struct tty *, const struct tty_ctx *);
1.373 nicm 61: static int tty_fake_bce(const struct tty *, const struct grid_cell *,
62: u_int);
1.207 nicm 63: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
64: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
65: enum tty_code_code, u_int);
66: static void tty_repeat_space(struct tty *, u_int);
1.309 nicm 67: static void tty_draw_pane(struct tty *, const struct tty_ctx *, u_int);
1.207 nicm 68: static void tty_cell(struct tty *, const struct grid_cell *,
1.373 nicm 69: const struct grid_cell *, int *);
70: static void tty_default_attributes(struct tty *, const struct grid_cell *,
71: int *, u_int);
1.1 nicm 72:
1.212 nicm 73: #define tty_use_margin(tty) \
1.359 nicm 74: (tty->term->flags & TERM_DECSLRM)
1.372 nicm 75: #define tty_full_width(tty, ctx) \
76: ((ctx)->xoff == 0 && (ctx)->sx >= (tty)->sx)
1.132 nicm 77:
1.266 nicm 78: #define TTY_BLOCK_INTERVAL (100000 /* 100 milliseconds */)
79: #define TTY_BLOCK_START(tty) (1 + ((tty)->sx * (tty)->sy) * 8)
80: #define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
81:
1.192 nicm 82: void
83: tty_create_log(void)
84: {
85: char name[64];
86:
87: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
88:
89: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
90: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
91: fatal("fcntl failed");
92: }
93:
1.185 nicm 94: int
1.359 nicm 95: tty_init(struct tty *tty, struct client *c, int fd)
1.1 nicm 96: {
1.185 nicm 97: if (!isatty(fd))
98: return (-1);
99:
1.30 nicm 100: memset(tty, 0, sizeof *tty);
1.22 nicm 101:
1.30 nicm 102: tty->fd = fd;
1.136 nicm 103: tty->client = c;
1.30 nicm 104:
1.108 nicm 105: tty->cstyle = 0;
1.107 nicm 106: tty->ccolour = xstrdup("");
1.30 nicm 107:
1.185 nicm 108: return (0);
1.31 nicm 109: }
110:
1.287 nicm 111: void
1.31 nicm 112: tty_resize(struct tty *tty)
113: {
1.258 nicm 114: struct client *c = tty->client;
115: struct winsize ws;
1.334 nicm 116: u_int sx, sy, xpixel, ypixel;
1.31 nicm 117:
118: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 119: sx = ws.ws_col;
1.334 nicm 120: if (sx == 0) {
1.88 nicm 121: sx = 80;
1.334 nicm 122: xpixel = 0;
123: } else
124: xpixel = ws.ws_xpixel / sx;
1.88 nicm 125: sy = ws.ws_row;
1.334 nicm 126: if (sy == 0) {
1.88 nicm 127: sy = 24;
1.334 nicm 128: ypixel = 0;
129: } else
130: ypixel = ws.ws_ypixel / sy;
1.88 nicm 131: } else {
132: sx = 80;
133: sy = 24;
1.334 nicm 134: xpixel = 0;
135: ypixel = 0;
1.31 nicm 136: }
1.334 nicm 137: log_debug("%s: %s now %ux%u (%ux%u)", __func__, c->name, sx, sy,
138: xpixel, ypixel);
139: tty_set_size(tty, sx, sy, xpixel, ypixel);
1.242 nicm 140: tty_invalidate(tty);
1.114 nicm 141: }
142:
1.287 nicm 143: void
1.334 nicm 144: tty_set_size(struct tty *tty, u_int sx, u_int sy, u_int xpixel, u_int ypixel)
1.212 nicm 145: {
1.114 nicm 146: tty->sx = sx;
147: tty->sy = sy;
1.334 nicm 148: tty->xpixel = xpixel;
149: tty->ypixel = ypixel;
1.1 nicm 150: }
151:
1.244 nicm 152: static void
153: tty_read_callback(__unused int fd, __unused short events, void *data)
154: {
155: struct tty *tty = data;
1.258 nicm 156: struct client *c = tty->client;
1.375 ! nicm 157: const char *name = c->name;
1.244 nicm 158: size_t size = EVBUFFER_LENGTH(tty->in);
159: int nread;
160:
161: nread = evbuffer_read(tty->in, tty->fd, -1);
1.295 nicm 162: if (nread == 0 || nread == -1) {
1.375 ! nicm 163: if (nread == 0)
! 164: log_debug("%s: read closed", name);
! 165: else
! 166: log_debug("%s: read error: %s", name, strerror(errno));
1.290 nicm 167: event_del(&tty->event_in);
1.295 nicm 168: server_client_lost(tty->client);
1.244 nicm 169: return;
1.290 nicm 170: }
1.375 ! nicm 171: log_debug("%s: read %d bytes (already %zu)", name, nread, size);
1.244 nicm 172:
173: while (tty_keys_next(tty))
174: ;
175: }
176:
177: static void
1.266 nicm 178: tty_timer_callback(__unused int fd, __unused short events, void *data)
179: {
180: struct tty *tty = data;
181: struct client *c = tty->client;
182: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
183:
184: log_debug("%s: %zu discarded", c->name, tty->discarded);
185:
1.305 nicm 186: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.266 nicm 187: c->discarded += tty->discarded;
188:
189: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
190: tty->flags &= ~TTY_BLOCK;
191: tty_invalidate(tty);
192: return;
193: }
194: tty->discarded = 0;
195: evtimer_add(&tty->timer, &tv);
196: }
197:
198: static int
199: tty_block_maybe(struct tty *tty)
200: {
201: struct client *c = tty->client;
202: size_t size = EVBUFFER_LENGTH(tty->out);
203: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
204:
205: if (size < TTY_BLOCK_START(tty))
206: return (0);
207:
208: if (tty->flags & TTY_BLOCK)
209: return (1);
210: tty->flags |= TTY_BLOCK;
211:
212: log_debug("%s: can't keep up, %zu discarded", c->name, size);
213:
214: evbuffer_drain(tty->out, size);
215: c->discarded += size;
216:
217: tty->discarded = 0;
218: evtimer_add(&tty->timer, &tv);
219: return (1);
220: }
221:
222: static void
1.244 nicm 223: tty_write_callback(__unused int fd, __unused short events, void *data)
224: {
1.246 nicm 225: struct tty *tty = data;
1.258 nicm 226: struct client *c = tty->client;
1.246 nicm 227: size_t size = EVBUFFER_LENGTH(tty->out);
228: int nwrite;
1.244 nicm 229:
230: nwrite = evbuffer_write(tty->out, tty->fd);
231: if (nwrite == -1)
232: return;
1.258 nicm 233: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 234:
1.270 nicm 235: if (c->redraw > 0) {
236: if ((size_t)nwrite >= c->redraw)
237: c->redraw = 0;
238: else
239: c->redraw -= nwrite;
240: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
241: c->redraw);
242: } else if (tty_block_maybe(tty))
1.266 nicm 243: return;
244:
1.247 nicm 245: if (EVBUFFER_LENGTH(tty->out) != 0)
246: event_add(&tty->event_out, NULL);
1.244 nicm 247: }
248:
1.1 nicm 249: int
1.166 nicm 250: tty_open(struct tty *tty, char **cause)
1.1 nicm 251: {
1.359 nicm 252: struct client *c = tty->client;
253:
254: tty->term = tty_term_create(tty, c->term_name, &c->term_features,
255: tty->fd, cause);
1.21 nicm 256: if (tty->term == NULL) {
257: tty_close(tty);
258: return (-1);
259: }
260: tty->flags |= TTY_OPENED;
1.1 nicm 261:
1.266 nicm 262: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 263:
264: event_set(&tty->event_in, tty->fd, EV_PERSIST|EV_READ,
265: tty_read_callback, tty);
266: tty->in = evbuffer_new();
1.311 nicm 267: if (tty->in == NULL)
268: fatal("out of memory");
1.1 nicm 269:
1.244 nicm 270: event_set(&tty->event_out, tty->fd, EV_WRITE, tty_write_callback, tty);
271: tty->out = evbuffer_new();
1.311 nicm 272: if (tty->out == NULL)
273: fatal("out of memory");
1.1 nicm 274:
1.266 nicm 275: evtimer_set(&tty->timer, tty_timer_callback, tty);
276:
1.1 nicm 277: tty_start_tty(tty);
278:
1.148 nicm 279: tty_keys_build(tty);
1.1 nicm 280:
281: return (0);
282: }
283:
1.340 nicm 284: static void
285: tty_start_timer_callback(__unused int fd, __unused short events, void *data)
286: {
287: struct tty *tty = data;
288: struct client *c = tty->client;
289:
290: log_debug("%s: start timer fired", c->name);
1.364 nicm 291: tty->flags |= (TTY_HAVEDA|TTY_HAVEXDA);
1.340 nicm 292: }
293:
1.244 nicm 294: void
295: tty_start_tty(struct tty *tty)
1.1 nicm 296: {
1.285 nicm 297: struct client *c = tty->client;
298: struct termios tio;
1.340 nicm 299: struct timeval tv = { .tv_sec = 1 };
1.33 nicm 300:
1.244 nicm 301: if (tty->fd != -1 && tcgetattr(tty->fd, &tty->tio) == 0) {
302: setblocking(tty->fd, 0);
303: event_add(&tty->event_in, NULL);
304:
305: memcpy(&tio, &tty->tio, sizeof tio);
306: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
307: tio.c_iflag |= IGNBRK;
308: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
309: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
310: ECHOPRT|ECHOKE|ISIG);
311: tio.c_cc[VMIN] = 1;
312: tio.c_cc[VTIME] = 0;
313: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
314: tcflush(tty->fd, TCIOFLUSH);
315: }
1.1 nicm 316:
1.10 nicm 317: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 318:
1.252 nicm 319: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 320: tty_putcode(tty, TTYC_CLEAR);
321:
322: if (tty_acs_needed(tty)) {
323: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 324: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 325: } else
326: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 327:
328: tty_putcode(tty, TTYC_CNORM);
1.343 nicm 329: if (tty_term_has(tty->term, TTYC_KMOUS)) {
330: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1003l");
331: tty_puts(tty, "\033[?1006l\033[?1005l");
332: }
1.121 nicm 333:
1.367 nicm 334: if (options_get_number(global_options, "focus-events")) {
335: tty->flags |= TTY_FOCUS;
336: tty_raw(tty, tty_term_string(tty->term, TTYC_ENFCS));
337: }
1.369 nicm 338: if (tty->term->flags & TERM_VT100LIKE)
1.352 nicm 339: tty_puts(tty, "\033[?7727h");
1.1 nicm 340:
1.340 nicm 341: evtimer_set(&tty->start_timer, tty_start_timer_callback, tty);
342: evtimer_add(&tty->start_timer, &tv);
343:
1.20 nicm 344: tty->flags |= TTY_STARTED;
1.242 nicm 345: tty_invalidate(tty);
1.107 nicm 346:
1.336 nicm 347: if (*tty->ccolour != '\0')
348: tty_force_cursor_colour(tty, "");
1.177 nicm 349:
350: tty->mouse_drag_flag = 0;
351: tty->mouse_drag_update = NULL;
352: tty->mouse_drag_release = NULL;
1.347 nicm 353: }
354:
355: void
356: tty_send_requests(struct tty *tty)
357: {
358: if (~tty->flags & TTY_STARTED)
359: return;
360:
1.369 nicm 361: if (tty->term->flags & TERM_VT100LIKE) {
1.347 nicm 362: if (~tty->flags & TTY_HAVEDA)
1.351 nicm 363: tty_puts(tty, "\033[>c");
1.364 nicm 364: if (~tty->flags & TTY_HAVEXDA)
365: tty_puts(tty, "\033[>q");
1.347 nicm 366: } else
1.364 nicm 367: tty->flags |= (TTY_HAVEDA|TTY_HAVEXDA);
1.128 nicm 368: }
369:
370: void
1.1 nicm 371: tty_stop_tty(struct tty *tty)
372: {
373: struct winsize ws;
374:
1.20 nicm 375: if (!(tty->flags & TTY_STARTED))
376: return;
377: tty->flags &= ~TTY_STARTED;
1.340 nicm 378:
379: evtimer_del(&tty->start_timer);
1.20 nicm 380:
1.266 nicm 381: event_del(&tty->timer);
382: tty->flags &= ~TTY_BLOCK;
383:
1.244 nicm 384: event_del(&tty->event_in);
385: event_del(&tty->event_out);
1.66 nicm 386:
1.1 nicm 387: /*
388: * Be flexible about error handling and try not kill the server just
389: * because the fd is invalid. Things like ssh -t can easily leave us
390: * with a dead tty.
391: */
392: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
393: return;
394: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
395: return;
396:
397: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 398: if (tty_acs_needed(tty))
1.90 nicm 399: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 400: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
401: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
402: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 403: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
404: if (tty_term_has(tty->term, TTYC_SE))
405: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 406: else
1.160 nicm 407: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 408: }
1.173 nicm 409: if (tty->mode & MODE_BRACKETPASTE)
1.366 nicm 410: tty_raw(tty, tty_term_string(tty->term, TTYC_DSBP));
1.336 nicm 411: if (*tty->ccolour != '\0')
412: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 413:
414: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
1.343 nicm 415: if (tty_term_has(tty->term, TTYC_KMOUS)) {
416: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1003l");
417: tty_raw(tty, "\033[?1006l\033[?1005l");
418: }
1.151 nicm 419:
1.367 nicm 420: if (tty->flags & TTY_FOCUS) {
421: tty->flags &= ~TTY_FOCUS;
422: tty_raw(tty, tty_term_string(tty->term, TTYC_DSFCS));
423: }
1.369 nicm 424: if (tty->term->flags & TERM_VT100LIKE)
1.352 nicm 425: tty_raw(tty, "\033[?7727l");
1.10 nicm 426:
1.212 nicm 427: if (tty_use_margin(tty))
1.365 nicm 428: tty_raw(tty, tty_term_string(tty->term, TTYC_DSMG));
1.10 nicm 429: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 430:
431: setblocking(tty->fd, 1);
1.1 nicm 432: }
433:
434: void
1.20 nicm 435: tty_close(struct tty *tty)
1.1 nicm 436: {
1.123 nicm 437: if (event_initialized(&tty->key_timer))
438: evtimer_del(&tty->key_timer);
1.20 nicm 439: tty_stop_tty(tty);
1.1 nicm 440:
1.21 nicm 441: if (tty->flags & TTY_OPENED) {
1.244 nicm 442: evbuffer_free(tty->in);
443: event_del(&tty->event_in);
444: evbuffer_free(tty->out);
445: event_del(&tty->event_out);
1.66 nicm 446:
1.21 nicm 447: tty_term_free(tty->term);
448: tty_keys_free(tty);
449:
450: tty->flags &= ~TTY_OPENED;
451: }
1.1 nicm 452:
1.21 nicm 453: if (tty->fd != -1) {
454: close(tty->fd);
455: tty->fd = -1;
456: }
1.1 nicm 457: }
458:
459: void
1.20 nicm 460: tty_free(struct tty *tty)
1.1 nicm 461: {
1.20 nicm 462: tty_close(tty);
1.138 nicm 463: free(tty->ccolour);
1.1 nicm 464: }
465:
466: void
1.359 nicm 467: tty_update_features(struct tty *tty)
1.212 nicm 468: {
1.359 nicm 469: struct client *c = tty->client;
470:
1.362 nicm 471: if (tty_apply_features(tty->term, c->term_features))
472: tty_term_apply_overrides(tty->term);
1.212 nicm 473:
474: if (tty_use_margin(tty))
1.365 nicm 475: tty_putcode(tty, TTYC_ENMG);
1.212 nicm 476: }
477:
478: void
1.1 nicm 479: tty_raw(struct tty *tty, const char *s)
480: {
1.150 nicm 481: ssize_t n, slen;
482: u_int i;
483:
484: slen = strlen(s);
485: for (i = 0; i < 5; i++) {
486: n = write(tty->fd, s, slen);
487: if (n >= 0) {
488: s += n;
489: slen -= n;
490: if (slen == 0)
491: break;
492: } else if (n == -1 && errno != EAGAIN)
493: break;
494: usleep(100);
495: }
1.1 nicm 496: }
497:
498: void
499: tty_putcode(struct tty *tty, enum tty_code_code code)
500: {
501: tty_puts(tty, tty_term_string(tty->term, code));
502: }
503:
504: void
505: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
506: {
507: if (a < 0)
508: return;
509: tty_puts(tty, tty_term_string1(tty->term, code, a));
510: }
511:
512: void
513: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
514: {
515: if (a < 0 || b < 0)
516: return;
517: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
518: }
519:
520: void
1.286 nicm 521: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
522: {
523: if (a < 0 || b < 0 || c < 0)
524: return;
525: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
526: }
527:
528: void
1.107 nicm 529: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
530: {
531: if (a != NULL)
532: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
533: }
534:
535: void
1.167 nicm 536: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
537: const void *b)
1.106 nicm 538: {
539: if (a != NULL && b != NULL)
540: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
541: }
542:
1.243 nicm 543: static void
544: tty_add(struct tty *tty, const char *buf, size_t len)
545: {
1.258 nicm 546: struct client *c = tty->client;
547:
1.266 nicm 548: if (tty->flags & TTY_BLOCK) {
549: tty->discarded += len;
550: return;
551: }
552:
1.244 nicm 553: evbuffer_add(tty->out, buf, len);
1.270 nicm 554: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 555: c->written += len;
1.243 nicm 556:
557: if (tty_log_fd != -1)
558: write(tty_log_fd, buf, len);
1.244 nicm 559: if (tty->flags & TTY_STARTED)
560: event_add(&tty->event_out, NULL);
1.243 nicm 561: }
562:
1.106 nicm 563: void
1.1 nicm 564: tty_puts(struct tty *tty, const char *s)
565: {
1.243 nicm 566: if (*s != '\0')
567: tty_add(tty, s, strlen(s));
1.1 nicm 568: }
569:
570: void
571: tty_putc(struct tty *tty, u_char ch)
572: {
1.90 nicm 573: const char *acs;
1.1 nicm 574:
1.359 nicm 575: if ((tty->term->flags & TERM_NOXENL) &&
1.325 nicm 576: ch >= 0x20 && ch != 0x7f &&
577: tty->cy == tty->sy - 1 &&
578: tty->cx + 1 >= tty->sx)
579: return;
580:
1.90 nicm 581: if (tty->cell.attr & GRID_ATTR_CHARSET) {
582: acs = tty_acs_get(tty, ch);
1.243 nicm 583: if (acs != NULL)
584: tty_add(tty, acs, strlen(acs));
585: else
586: tty_add(tty, &ch, 1);
587: } else
588: tty_add(tty, &ch, 1);
1.1 nicm 589:
590: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 591: if (tty->cx >= tty->sx) {
1.46 nicm 592: tty->cx = 1;
593: if (tty->cy != tty->rlower)
594: tty->cy++;
1.211 nicm 595:
596: /*
597: * On !xenl terminals, force the cursor position to
598: * where we think it should be after a line wrap - this
599: * means it works on sensible terminals as well.
600: */
1.359 nicm 601: if (tty->term->flags & TERM_NOXENL)
1.211 nicm 602: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 603: } else
604: tty->cx++;
605: }
606: }
607:
608: void
1.147 nicm 609: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 610: {
1.359 nicm 611: if ((tty->term->flags & TERM_NOXENL) &&
1.325 nicm 612: tty->cy == tty->sy - 1 &&
613: tty->cx + len >= tty->sx)
614: len = tty->sx - tty->cx - 1;
615:
1.243 nicm 616: tty_add(tty, buf, len);
1.268 nicm 617: if (tty->cx + width > tty->sx) {
618: tty->cx = (tty->cx + width) - tty->sx;
619: if (tty->cx <= tty->sx)
620: tty->cy++;
621: else
622: tty->cx = tty->cy = UINT_MAX;
623: } else
1.254 nicm 624: tty->cx += width;
1.5 nicm 625: }
626:
1.207 nicm 627: static void
1.180 nicm 628: tty_set_italics(struct tty *tty)
629: {
630: const char *s;
631:
632: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 633: s = options_get_string(global_options, "default-terminal");
1.180 nicm 634: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
635: tty_putcode(tty, TTYC_SITM);
636: return;
637: }
638: }
639: tty_putcode(tty, TTYC_SMSO);
640: }
641:
642: void
1.1 nicm 643: tty_set_title(struct tty *tty, const char *title)
644: {
1.105 nicm 645: if (!tty_term_has(tty->term, TTYC_TSL) ||
646: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 647: return;
648:
1.105 nicm 649: tty_putcode(tty, TTYC_TSL);
1.1 nicm 650: tty_puts(tty, title);
1.105 nicm 651: tty_putcode(tty, TTYC_FSL);
1.1 nicm 652: }
653:
1.208 nicm 654: static void
1.107 nicm 655: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
656: {
657: if (*ccolour == '\0')
658: tty_putcode(tty, TTYC_CR);
659: else
1.160 nicm 660: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 661: free(tty->ccolour);
1.107 nicm 662: tty->ccolour = xstrdup(ccolour);
663: }
664:
665: void
666: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 667: {
1.344 nicm 668: struct client *c = tty->client;
669: int changed;
1.1 nicm 670:
1.197 nicm 671: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 672: tty_force_cursor_colour(tty, s->ccolour);
673:
1.1 nicm 674: if (tty->flags & TTY_NOCURSOR)
675: mode &= ~MODE_CURSOR;
676:
677: changed = mode ^ tty->mode;
1.368 nicm 678: if (changed != 0)
679: log_debug("%s: update mode %x to %x", c->name, tty->mode, mode);
1.344 nicm 680:
1.183 nicm 681: if (changed & MODE_BLINKING) {
682: if (tty_term_has(tty->term, TTYC_CVVIS))
683: tty_putcode(tty, TTYC_CVVIS);
684: else
685: tty_putcode(tty, TTYC_CNORM);
686: changed |= MODE_CURSOR;
687: }
688: if (changed & MODE_CURSOR) {
689: if (mode & MODE_CURSOR)
690: tty_putcode(tty, TTYC_CNORM);
691: else
1.1 nicm 692: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 693: }
1.181 nicm 694: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 695: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 696: if (s->cstyle == 0 &&
1.160 nicm 697: tty_term_has(tty->term, TTYC_SE))
698: tty_putcode(tty, TTYC_SE);
1.108 nicm 699: else
1.160 nicm 700: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 701: }
702: tty->cstyle = s->cstyle;
1.1 nicm 703: }
1.344 nicm 704: if ((changed & ALL_MOUSE_MODES) &&
705: tty_term_has(tty->term, TTYC_KMOUS)) {
706: if ((mode & ALL_MOUSE_MODES) == 0)
707: tty_puts(tty, "\033[?1006l");
708: if ((changed & MODE_MOUSE_STANDARD) &&
709: (~mode & MODE_MOUSE_STANDARD))
710: tty_puts(tty, "\033[?1000l");
711: if ((changed & MODE_MOUSE_BUTTON) &&
712: (~mode & MODE_MOUSE_BUTTON))
713: tty_puts(tty, "\033[?1002l");
714: if ((changed & MODE_MOUSE_ALL) &&
715: (~mode & MODE_MOUSE_ALL))
716: tty_puts(tty, "\033[?1003l");
717:
718: if (mode & ALL_MOUSE_MODES)
1.153 nicm 719: tty_puts(tty, "\033[?1006h");
1.344 nicm 720: if ((changed & MODE_MOUSE_STANDARD) &&
721: (mode & MODE_MOUSE_STANDARD))
722: tty_puts(tty, "\033[?1000h");
723: if ((changed & MODE_MOUSE_BUTTON) &&
724: (mode & MODE_MOUSE_BUTTON))
725: tty_puts(tty, "\033[?1002h");
726: if ((changed & MODE_MOUSE_ALL) &&
727: (mode & MODE_MOUSE_ALL))
728: tty_puts(tty, "\033[?1003h");
1.115 nicm 729: }
730: if (changed & MODE_BRACKETPASTE) {
731: if (mode & MODE_BRACKETPASTE)
1.366 nicm 732: tty_putcode(tty, TTYC_ENBP);
1.115 nicm 733: else
1.366 nicm 734: tty_putcode(tty, TTYC_DSBP);
1.1 nicm 735: }
736: tty->mode = mode;
737: }
738:
1.207 nicm 739: static void
1.168 nicm 740: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
741: enum tty_code_code code1, u_int n)
1.1 nicm 742: {
743: if (tty_term_has(tty->term, code))
744: tty_putcode1(tty, code, n);
745: else {
746: while (n-- > 0)
747: tty_putcode(tty, code1);
748: }
749: }
750:
1.207 nicm 751: static void
1.133 nicm 752: tty_repeat_space(struct tty *tty, u_int n)
753: {
1.257 nicm 754: static char s[500];
755:
756: if (*s != ' ')
757: memset(s, ' ', sizeof s);
758:
759: while (n > sizeof s) {
760: tty_putn(tty, s, sizeof s, sizeof s);
761: n -= sizeof s;
762: }
763: if (n != 0)
764: tty_putn(tty, s, n, n);
1.304 nicm 765: }
766:
1.309 nicm 767: /* Is this window bigger than the terminal? */
768: int
769: tty_window_bigger(struct tty *tty)
770: {
771: struct client *c = tty->client;
772: struct window *w = c->session->curw->window;
773:
774: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
775: }
776:
777: /* What offset should this window be drawn at? */
778: int
779: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
780: {
781: *ox = tty->oox;
782: *oy = tty->ooy;
783: *sx = tty->osx;
784: *sy = tty->osy;
785:
786: return (tty->oflag);
787: }
788:
789: /* What offset should this window be drawn at? */
790: static int
791: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
792: {
793: struct client *c = tty->client;
794: struct window *w = c->session->curw->window;
795: struct window_pane *wp = w->active;
796: u_int cx, cy, lines;
797:
798: lines = status_line_size(c);
799:
800: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
801: *ox = 0;
802: *oy = 0;
803: *sx = w->sx;
804: *sy = w->sy;
805:
806: c->pan_window = NULL;
807: return (0);
808: }
809:
810: *sx = tty->sx;
811: *sy = tty->sy - lines;
812:
813: if (c->pan_window == w) {
814: if (*sx >= w->sx)
815: c->pan_ox = 0;
816: else if (c->pan_ox + *sx > w->sx)
817: c->pan_ox = w->sx - *sx;
818: *ox = c->pan_ox;
819: if (*sy >= w->sy)
820: c->pan_oy = 0;
821: else if (c->pan_oy + *sy > w->sy)
822: c->pan_oy = w->sy - *sy;
823: *oy = c->pan_oy;
824: return (1);
825: }
826:
827: if (~wp->screen->mode & MODE_CURSOR) {
828: *ox = 0;
829: *oy = 0;
830: } else {
831: cx = wp->xoff + wp->screen->cx;
832: cy = wp->yoff + wp->screen->cy;
833:
834: if (cx < *sx)
835: *ox = 0;
836: else if (cx > w->sx - *sx)
837: *ox = w->sx - *sx;
838: else
839: *ox = cx - *sx / 2;
840:
841: if (cy < *sy)
842: *oy = 0;
843: else if (cy > w->sy - *sy)
844: *oy = w->sy - *sy;
845: else
846: *oy = cy - *sy / 2;
847: }
848:
849: c->pan_window = NULL;
850: return (1);
851: }
852:
853: /* Update stored offsets for a window and redraw if necessary. */
854: void
855: tty_update_window_offset(struct window *w)
856: {
857: struct client *c;
858:
859: TAILQ_FOREACH(c, &clients, entry) {
860: if (c->session != NULL && c->session->curw->window == w)
861: tty_update_client_offset(c);
862: }
863: }
864:
865: /* Update stored offsets for a client and redraw if necessary. */
866: void
867: tty_update_client_offset(struct client *c)
1.304 nicm 868: {
1.309 nicm 869: u_int ox, oy, sx, sy;
1.314 nicm 870:
871: if (~c->flags & CLIENT_TERMINAL)
872: return;
1.304 nicm 873:
1.309 nicm 874: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
875: if (ox == c->tty.oox &&
876: oy == c->tty.ooy &&
877: sx == c->tty.osx &&
878: sy == c->tty.osy)
879: return;
880:
881: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
882: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
883: ox, oy, sx, sy);
884:
885: c->tty.oox = ox;
886: c->tty.ooy = oy;
887: c->tty.osx = sx;
888: c->tty.osy = sy;
889:
890: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 891: }
892:
1.373 nicm 893: /* Get a palette entry. */
894: static int
895: tty_get_palette(int *palette, int c)
896: {
897: int new;
898:
899: if (palette == NULL)
900: return (-1);
901:
902: new = -1;
903: if (c < 8)
904: new = palette[c];
905: else if (c >= 90 && c <= 97)
906: new = palette[8 + c - 90];
907: else if (c & COLOUR_FLAG_256)
908: new = palette[c & ~COLOUR_FLAG_256];
909: if (new == 0)
910: return (-1);
911: return (new);
912: }
913:
1.1 nicm 914: /*
1.119 nicm 915: * Is the region large enough to be worth redrawing once later rather than
916: * probably several times now? Currently yes if it is more than 50% of the
917: * pane.
918: */
1.207 nicm 919: static int
1.194 nicm 920: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 921: {
1.372 nicm 922: return (ctx->orlower - ctx->orupper >= ctx->sy / 2);
1.119 nicm 923: }
924:
925: /*
1.176 nicm 926: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
927: * emulated.
928: */
1.207 nicm 929: static int
1.373 nicm 930: tty_fake_bce(const struct tty *tty, const struct grid_cell *gc, u_int bg)
1.176 nicm 931: {
1.210 nicm 932: if (tty_term_flag(tty->term, TTYC_BCE))
933: return (0);
1.373 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: {
1.358 nicm 947: struct client *c = tty->client;
1.204 nicm 948: u_int i;
1.1 nicm 949:
950: /*
1.373 nicm 951: * If region is large, schedule a redraw. In most cases this is likely
952: * to be followed by some more scrolling.
1.1 nicm 953: */
1.119 nicm 954: if (tty_large_region(tty, ctx)) {
1.373 nicm 955: log_debug("%s: %s large redraw", __func__, c->name);
956: ctx->redraw_cb(ctx);
1.1 nicm 957: return;
958: }
959:
1.14 nicm 960: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
1.372 nicm 961: for (i = ctx->ocy; i < ctx->sy; 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
1.374 nicm 971: tty_is_visible(__unused struct tty *tty, const struct tty_ctx *ctx, u_int px,
972: u_int py, u_int nx, u_int ny)
1.309 nicm 973: {
1.374 nicm 974: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 975:
976: if (!ctx->bigger)
977: return (1);
978:
1.372 nicm 979: if (xoff + nx <= ctx->wox || xoff >= ctx->wox + ctx->wsx ||
1.374 nicm 980: yoff + ny <= ctx->woy || yoff >= ctx->woy + ctx->wsy)
1.309 nicm 981: return (0);
982: return (1);
983: }
984:
985: /* Clamp line position to visible part of pane. */
986: static int
987: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
988: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
989: {
1.373 nicm 990: u_int xoff = ctx->rxoff + px;
1.309 nicm 991:
992: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
993: return (0);
1.372 nicm 994: *ry = ctx->yoff + py - ctx->woy;
1.309 nicm 995:
1.372 nicm 996: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 997: /* All visible. */
998: *i = 0;
1.372 nicm 999: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1000: *rx = nx;
1.372 nicm 1001: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1002: /* Both left and right not visible. */
1.372 nicm 1003: *i = ctx->wox;
1.309 nicm 1004: *x = 0;
1.372 nicm 1005: *rx = ctx->wsx;
1006: } else if (xoff < ctx->wox) {
1.309 nicm 1007: /* Left not visible. */
1.372 nicm 1008: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1009: *x = 0;
1010: *rx = nx - *i;
1011: } else {
1012: /* Right not visible. */
1013: *i = 0;
1.372 nicm 1014: *x = (ctx->xoff + px) - ctx->wox;
1015: *rx = ctx->wsx - *x;
1.309 nicm 1016: }
1017: if (*rx > nx)
1018: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1019:
1020: return (1);
1021: }
1022:
1023: /* Clear a line. */
1.271 nicm 1024: static void
1.373 nicm 1025: tty_clear_line(struct tty *tty, const struct grid_cell *defaults, u_int py,
1026: u_int px, u_int nx, u_int bg)
1.271 nicm 1027: {
1.309 nicm 1028: struct client *c = tty->client;
1029:
1030: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1031:
1032: /* Nothing to clear. */
1033: if (nx == 0)
1034: return;
1035:
1036: /* If genuine BCE is available, can try escape sequences. */
1.373 nicm 1037: if (!tty_fake_bce(tty, defaults, bg)) {
1.271 nicm 1038: /* Off the end of the line, use EL if available. */
1039: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1040: tty_cursor(tty, px, py);
1041: tty_putcode(tty, TTYC_EL);
1042: return;
1043: }
1044:
1045: /* At the start of the line. Use EL1. */
1046: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1047: tty_cursor(tty, px + nx - 1, py);
1048: tty_putcode(tty, TTYC_EL1);
1049: return;
1050: }
1051:
1052: /* Section of line. Use ECH if possible. */
1053: if (tty_term_has(tty->term, TTYC_ECH)) {
1054: tty_cursor(tty, px, py);
1055: tty_putcode1(tty, TTYC_ECH, nx);
1056: return;
1057: }
1058: }
1059:
1060: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 1061: tty_cursor(tty, px, py);
1.271 nicm 1062: tty_repeat_space(tty, nx);
1063: }
1064:
1.309 nicm 1065: /* Clear a line, adjusting to visible part of pane. */
1066: static void
1067: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1068: u_int px, u_int nx, u_int bg)
1069: {
1070: struct client *c = tty->client;
1071: u_int i, x, rx, ry;
1072:
1073: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1074:
1075: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1.373 nicm 1076: tty_clear_line(tty, &ctx->defaults, ry, x, rx, bg);
1.309 nicm 1077: }
1078:
1079: /* Clamp area position to visible part of pane. */
1080: static int
1081: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1082: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1083: u_int *ry)
1084: {
1.373 nicm 1085: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1086:
1087: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1088: return (0);
1089:
1.372 nicm 1090: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1091: /* All visible. */
1092: *i = 0;
1.372 nicm 1093: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1094: *rx = nx;
1.372 nicm 1095: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1096: /* Both left and right not visible. */
1.372 nicm 1097: *i = ctx->wox;
1.309 nicm 1098: *x = 0;
1.372 nicm 1099: *rx = ctx->wsx;
1100: } else if (xoff < ctx->wox) {
1.309 nicm 1101: /* Left not visible. */
1.372 nicm 1102: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1103: *x = 0;
1104: *rx = nx - *i;
1105: } else {
1106: /* Right not visible. */
1107: *i = 0;
1.372 nicm 1108: *x = (ctx->xoff + px) - ctx->wox;
1109: *rx = ctx->wsx - *x;
1.309 nicm 1110: }
1111: if (*rx > nx)
1112: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1113:
1.372 nicm 1114: if (yoff >= ctx->woy && yoff + ny <= ctx->woy + ctx->wsy) {
1.309 nicm 1115: /* All visible. */
1116: *j = 0;
1.372 nicm 1117: *y = ctx->yoff + py - ctx->woy;
1.309 nicm 1118: *ry = ny;
1.372 nicm 1119: } else if (yoff < ctx->woy && yoff + ny > ctx->woy + ctx->wsy) {
1.327 nicm 1120: /* Both top and bottom not visible. */
1.372 nicm 1121: *j = ctx->woy;
1.309 nicm 1122: *y = 0;
1.372 nicm 1123: *ry = ctx->wsy;
1124: } else if (yoff < ctx->woy) {
1.327 nicm 1125: /* Top not visible. */
1.372 nicm 1126: *j = ctx->woy - (ctx->yoff + py);
1.309 nicm 1127: *y = 0;
1128: *ry = ny - *j;
1129: } else {
1.327 nicm 1130: /* Bottom not visible. */
1.309 nicm 1131: *j = 0;
1.372 nicm 1132: *y = (ctx->yoff + py) - ctx->woy;
1133: *ry = ctx->wsy - *y;
1.309 nicm 1134: }
1135: if (*ry > ny)
1136: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1137:
1138: return (1);
1139: }
1140:
1141: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1142: static void
1.373 nicm 1143: tty_clear_area(struct tty *tty, const struct grid_cell *defaults, u_int py,
1144: u_int ny, u_int px, u_int nx, u_int bg)
1.271 nicm 1145: {
1.309 nicm 1146: struct client *c = tty->client;
1147: u_int yy;
1148: char tmp[64];
1.271 nicm 1149:
1.309 nicm 1150: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1151:
1152: /* Nothing to clear. */
1153: if (nx == 0 || ny == 0)
1154: return;
1155:
1156: /* If genuine BCE is available, can try escape sequences. */
1.373 nicm 1157: if (!tty_fake_bce(tty, defaults, bg)) {
1.276 nicm 1158: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1159: if (px == 0 &&
1160: px + nx >= tty->sx &&
1161: py + ny >= tty->sy &&
1162: tty_term_has(tty->term, TTYC_ED)) {
1163: tty_cursor(tty, 0, py);
1164: tty_putcode(tty, TTYC_ED);
1.274 nicm 1165: return;
1166: }
1167:
1168: /*
1.276 nicm 1169: * On VT420 compatible terminals we can use DECFRA if the
1170: * background colour isn't default (because it doesn't work
1171: * after SGR 0).
1.274 nicm 1172: */
1.359 nicm 1173: if ((tty->term->flags & TERM_DECFRA) && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1174: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1175: py + 1, px + 1, py + ny, px + nx);
1176: tty_puts(tty, tmp);
1.276 nicm 1177: return;
1178: }
1179:
1.280 nicm 1180: /* Full lines can be scrolled away to clear them. */
1181: if (px == 0 &&
1.281 nicm 1182: px + nx >= tty->sx &&
1.280 nicm 1183: ny > 2 &&
1184: tty_term_has(tty->term, TTYC_CSR) &&
1185: tty_term_has(tty->term, TTYC_INDN)) {
1186: tty_region(tty, py, py + ny - 1);
1187: tty_margin_off(tty);
1.284 nicm 1188: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1189: return;
1190: }
1191:
1.276 nicm 1192: /*
1193: * If margins are supported, can just scroll the area off to
1194: * clear it.
1195: */
1.277 nicm 1196: if (nx > 2 &&
1197: ny > 2 &&
1.280 nicm 1198: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1199: tty_use_margin(tty) &&
1200: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1201: tty_region(tty, py, py + ny - 1);
1202: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1203: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1204: return;
1205: }
1206: }
1207:
1208: /* Couldn't use an escape sequence, loop over the lines. */
1209: for (yy = py; yy < py + ny; yy++)
1.373 nicm 1210: tty_clear_line(tty, defaults, yy, px, nx, bg);
1.271 nicm 1211: }
1212:
1.309 nicm 1213: /* Clear an area in a pane. */
1214: static void
1215: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1216: u_int ny, u_int px, u_int nx, u_int bg)
1217: {
1218: u_int i, j, x, y, rx, ry;
1219:
1220: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1.373 nicm 1221: tty_clear_area(tty, &ctx->defaults, y, ry, x, rx, bg);
1.309 nicm 1222: }
1223:
1224: static void
1225: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1226: {
1.373 nicm 1227: struct screen *s = ctx->s;
1228: u_int nx = ctx->sx, i, x, rx, ry;
1.309 nicm 1229:
1230: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1231:
1232: if (!ctx->bigger) {
1.373 nicm 1233: tty_draw_line(tty, s, 0, py, nx, ctx->xoff, ctx->yoff + py,
1234: &ctx->defaults, ctx->palette);
1.309 nicm 1235: return;
1236: }
1.373 nicm 1237: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry)) {
1238: tty_draw_line(tty, s, i, py, rx, x, ry, &ctx->defaults,
1239: ctx->palette);
1240: }
1.176 nicm 1241: }
1242:
1.298 nicm 1243: static const struct grid_cell *
1244: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1245: {
1246: static struct grid_cell new;
1247: u_int n;
1248:
1249: /* Characters less than 0x7f are always fine, no matter what. */
1250: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1251: return (gc);
1252:
1253: /* UTF-8 terminal and a UTF-8 character - fine. */
1.359 nicm 1254: if (tty->client->flags & CLIENT_UTF8)
1.298 nicm 1255: return (gc);
1256:
1257: /* Replace by the right number of underscores. */
1258: n = gc->data.width;
1259: if (n > UTF8_SIZE)
1260: n = UTF8_SIZE;
1261: memcpy(&new, gc, sizeof new);
1262: new.data.size = n;
1263: memset(new.data.data, '_', n);
1264: return (&new);
1265: }
1266:
1.346 nicm 1267: static int
1268: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1269: {
1270: struct client *c = tty->client;
1271:
1272: if (c->overlay_check == NULL)
1273: return (1);
1274: return (c->overlay_check(c, px, py));
1275: }
1276:
1.176 nicm 1277: void
1.373 nicm 1278: tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
1279: u_int atx, u_int aty, const struct grid_cell *defaults, int *palette)
1.1 nicm 1280: {
1.297 nicm 1281: struct grid *gd = s->grid;
1.250 nicm 1282: struct grid_cell gc, last;
1.298 nicm 1283: const struct grid_cell *gcp;
1.309 nicm 1284: struct grid_line *gl;
1285: u_int i, j, ux, sx, width;
1.329 nicm 1286: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1287: char buf[512];
1.315 nicm 1288: size_t len;
1.303 nicm 1289: u_int cellsize;
1.1 nicm 1290:
1.309 nicm 1291: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1292: px, py, nx, atx, aty);
1293:
1294: /*
1295: * py is the line in the screen to draw.
1296: * px is the start x and nx is the width to draw.
1297: * atx,aty is the line on the terminal to draw it.
1298: */
1299:
1.259 nicm 1300: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1301: tty->flags |= TTY_NOCURSOR;
1302: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1303:
1.214 nicm 1304: tty_region_off(tty);
1305: tty_margin_off(tty);
1306:
1.273 nicm 1307: /*
1308: * Clamp the width to cellsize - note this is not cellused, because
1309: * there may be empty background cells after it (from BCE).
1310: */
1.1 nicm 1311: sx = screen_size_x(s);
1.309 nicm 1312: if (nx > sx)
1313: nx = sx;
1.303 nicm 1314: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1315: if (sx > cellsize)
1316: sx = cellsize;
1.1 nicm 1317: if (sx > tty->sx)
1318: sx = tty->sx;
1.309 nicm 1319: if (sx > nx)
1320: sx = nx;
1.292 nicm 1321: ux = 0;
1.1 nicm 1322:
1.309 nicm 1323: if (py == 0)
1324: gl = NULL;
1325: else
1326: gl = grid_get_line(gd, gd->hsize + py - 1);
1.373 nicm 1327: if (gl == NULL ||
1.309 nicm 1328: (~gl->flags & GRID_LINE_WRAPPED) ||
1329: atx != 0 ||
1.268 nicm 1330: tty->cx < tty->sx ||
1.309 nicm 1331: nx < tty->sx) {
1332: if (nx < tty->sx &&
1333: atx == 0 &&
1334: px + sx != nx &&
1.268 nicm 1335: tty_term_has(tty->term, TTYC_EL1) &&
1.373 nicm 1336: !tty_fake_bce(tty, defaults, 8)) {
1337: tty_default_attributes(tty, defaults, palette, 8);
1.309 nicm 1338: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1339: tty_putcode(tty, TTYC_EL1);
1340: cleared = 1;
1341: }
1.329 nicm 1342: } else {
1.309 nicm 1343: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1344: wrapped = 1;
1345: }
1.250 nicm 1346:
1347: memcpy(&last, &grid_default_cell, sizeof last);
1348: len = 0;
1349: width = 0;
1.46 nicm 1350:
1.1 nicm 1351: for (i = 0; i < sx; i++) {
1.309 nicm 1352: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1353: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1354: if (len != 0 &&
1.346 nicm 1355: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1356: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1357: gcp->flags != last.flags ||
1358: gcp->attr != last.attr ||
1359: gcp->fg != last.fg ||
1360: gcp->bg != last.bg ||
1.328 nicm 1361: gcp->us != last.us ||
1.315 nicm 1362: ux + width + gcp->data.width > nx ||
1.298 nicm 1363: (sizeof buf) - len < gcp->data.size)) {
1.373 nicm 1364: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1365: if (last.flags & GRID_FLAG_CLEARED) {
1366: log_debug("%s: %zu cleared", __func__, len);
1.373 nicm 1367: tty_clear_line(tty, defaults, aty, atx + ux,
1368: width, last.bg);
1.315 nicm 1369: } else {
1.329 nicm 1370: if (!wrapped || atx != 0 || ux != 0)
1371: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1372: tty_putn(tty, buf, len, width);
1373: }
1.292 nicm 1374: ux += width;
1.250 nicm 1375:
1376: len = 0;
1377: width = 0;
1.329 nicm 1378: wrapped = 0;
1.250 nicm 1379: }
1380:
1.298 nicm 1381: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1382: screen_select_cell(s, &last, gcp);
1.250 nicm 1383: else
1.299 nicm 1384: memcpy(&last, gcp, sizeof last);
1.346 nicm 1385: if (!tty_check_overlay(tty, atx + ux, aty))
1386: ux += gcp->data.width;
1387: else if (ux + gcp->data.width > nx) {
1.373 nicm 1388: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1389: tty_cursor(tty, atx + ux, aty);
1.298 nicm 1390: for (j = 0; j < gcp->data.width; j++) {
1.309 nicm 1391: if (ux + j > nx)
1.297 nicm 1392: break;
1393: tty_putc(tty, ' ');
1394: ux++;
1395: }
1.299 nicm 1396: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1.373 nicm 1397: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1398: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1399: for (j = 0; j < gcp->data.size; j++)
1400: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1401: ux += gcp->data.width;
1.299 nicm 1402: } else {
1.298 nicm 1403: memcpy(buf + len, gcp->data.data, gcp->data.size);
1404: len += gcp->data.size;
1405: width += gcp->data.width;
1.250 nicm 1406: }
1407: }
1.315 nicm 1408: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.373 nicm 1409: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1410: if (last.flags & GRID_FLAG_CLEARED) {
1411: log_debug("%s: %zu cleared (end)", __func__, len);
1.373 nicm 1412: tty_clear_line(tty, defaults, aty, atx + ux, width,
1413: last.bg);
1.315 nicm 1414: } else {
1.329 nicm 1415: if (!wrapped || atx != 0 || ux != 0)
1416: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1417: tty_putn(tty, buf, len, width);
1418: }
1.315 nicm 1419: ux += width;
1.1 nicm 1420: }
1421:
1.309 nicm 1422: if (!cleared && ux < nx) {
1.315 nicm 1423: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1424: nx - ux, len);
1.373 nicm 1425: tty_default_attributes(tty, defaults, palette, 8);
1426: tty_clear_line(tty, defaults, aty, atx + ux, nx - ux, 8);
1.35 nicm 1427: }
1.1 nicm 1428:
1.181 nicm 1429: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1430: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1431: }
1432:
1.348 nicm 1433: void
1434: tty_sync_start(struct tty *tty)
1435: {
1.361 nicm 1436: if (tty->flags & TTY_BLOCK)
1437: return;
1438: if (tty->flags & TTY_SYNCING)
1439: return;
1440: tty->flags |= TTY_SYNCING;
1441:
1442: if (tty_term_has(tty->term, TTYC_SYNC)) {
1443: log_debug("%s sync start", tty->client->name);
1.360 nicm 1444: tty_putcode1(tty, TTYC_SYNC, 1);
1.357 nicm 1445: }
1.348 nicm 1446: }
1447:
1448: void
1449: tty_sync_end(struct tty *tty)
1450: {
1.361 nicm 1451: if (tty->flags & TTY_BLOCK)
1452: return;
1453: if (~tty->flags & TTY_SYNCING)
1454: return;
1455: tty->flags &= ~TTY_SYNCING;
1456:
1457: if (tty_term_has(tty->term, TTYC_SYNC)) {
1458: log_debug("%s sync end", tty->client->name);
1.360 nicm 1459: tty_putcode1(tty, TTYC_SYNC, 2);
1.357 nicm 1460: }
1.348 nicm 1461: }
1462:
1.201 nicm 1463: static int
1.373 nicm 1464: tty_client_ready(struct client *c)
1.182 nicm 1465: {
1466: if (c->session == NULL || c->tty.term == NULL)
1467: return (0);
1.305 nicm 1468: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1469: return (0);
1470: if (c->tty.flags & TTY_FREEZE)
1471: return (0);
1472: return (1);
1473: }
1474:
1.15 nicm 1475: void
1.182 nicm 1476: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1477: struct tty_ctx *ctx)
1.15 nicm 1478: {
1.373 nicm 1479: struct client *c;
1480: int state;
1.15 nicm 1481:
1.373 nicm 1482: if (ctx->set_client_cb == NULL)
1.15 nicm 1483: return;
1.178 nicm 1484: TAILQ_FOREACH(c, &clients, entry) {
1.373 nicm 1485: if (!tty_client_ready(c))
1.15 nicm 1486: continue;
1.373 nicm 1487: state = ctx->set_client_cb(ctx, c);
1488: if (state == -1)
1.358 nicm 1489: break;
1.373 nicm 1490: if (state == 0)
1491: continue;
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: {
1.309 nicm 1499: if (ctx->bigger ||
1.372 nicm 1500: !tty_full_width(tty, ctx) ||
1.373 nicm 1501: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.210 nicm 1502: (!tty_term_has(tty->term, TTYC_ICH) &&
1503: !tty_term_has(tty->term, TTYC_ICH1))) {
1.309 nicm 1504: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1505: return;
1506: }
1507:
1.373 nicm 1508: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1509:
1.77 nicm 1510: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1511:
1.206 nicm 1512: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1513: }
1514:
1515: void
1.24 nicm 1516: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1517: {
1.309 nicm 1518: if (ctx->bigger ||
1.372 nicm 1519: !tty_full_width(tty, ctx) ||
1.373 nicm 1520: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.26 nicm 1521: (!tty_term_has(tty->term, TTYC_DCH) &&
1522: !tty_term_has(tty->term, TTYC_DCH1))) {
1.309 nicm 1523: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1524: return;
1525: }
1526:
1.373 nicm 1527: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1528:
1.77 nicm 1529: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1530:
1.206 nicm 1531: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1532: }
1533:
1534: void
1535: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1536: {
1.309 nicm 1537: if (ctx->bigger) {
1538: tty_draw_pane(tty, ctx, ctx->ocy);
1539: return;
1540: }
1541:
1.373 nicm 1542: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.146 nicm 1543:
1544: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1545:
1.210 nicm 1546: if (tty_term_has(tty->term, TTYC_ECH) &&
1.373 nicm 1547: !tty_fake_bce(tty, &ctx->defaults, 8))
1.146 nicm 1548: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1549: else
1550: tty_repeat_space(tty, ctx->num);
1.1 nicm 1551: }
1552:
1553: void
1.24 nicm 1554: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1555: {
1.309 nicm 1556: if (ctx->bigger ||
1.372 nicm 1557: !tty_full_width(tty, ctx) ||
1.373 nicm 1558: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.77 nicm 1559: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1560: !tty_term_has(tty->term, TTYC_IL1) ||
1.373 nicm 1561: ctx->sx == 1 ||
1562: ctx->sy == 1) {
1.14 nicm 1563: tty_redraw_region(tty, ctx);
1.1 nicm 1564: return;
1565: }
1566:
1.373 nicm 1567: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1568:
1.77 nicm 1569: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1570: tty_margin_off(tty);
1.77 nicm 1571: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1572:
1.12 nicm 1573: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1574: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1575: }
1576:
1577: void
1.24 nicm 1578: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1579: {
1.309 nicm 1580: if (ctx->bigger ||
1.372 nicm 1581: !tty_full_width(tty, ctx) ||
1.373 nicm 1582: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.72 nicm 1583: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1584: !tty_term_has(tty->term, TTYC_DL1) ||
1.373 nicm 1585: ctx->sx == 1 ||
1586: ctx->sy == 1) {
1.14 nicm 1587: tty_redraw_region(tty, ctx);
1.1 nicm 1588: return;
1589: }
1590:
1.373 nicm 1591: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1592:
1.77 nicm 1593: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1594: tty_margin_off(tty);
1.77 nicm 1595: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1596:
1.12 nicm 1597: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1598: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1599: }
1600:
1601: void
1.24 nicm 1602: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1603: {
1.373 nicm 1604: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1605:
1.372 nicm 1606: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->sx, ctx->bg);
1.1 nicm 1607: }
1608:
1609: void
1.24 nicm 1610: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1611: {
1.373 nicm 1612: u_int nx = ctx->sx - ctx->ocx;
1.1 nicm 1613:
1.373 nicm 1614: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1615:
1.309 nicm 1616: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1617: }
1618:
1619: void
1.24 nicm 1620: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1621: {
1.373 nicm 1622: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1623:
1.309 nicm 1624: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1625: }
1626:
1627: void
1.24 nicm 1628: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1629: {
1.56 nicm 1630: if (ctx->ocy != ctx->orupper)
1631: return;
1632:
1.309 nicm 1633: if (ctx->bigger ||
1.372 nicm 1634: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1635: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.70 nicm 1636: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1637: (!tty_term_has(tty->term, TTYC_RI) &&
1638: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1639: ctx->sx == 1 ||
1640: ctx->sy == 1) {
1.14 nicm 1641: tty_redraw_region(tty, ctx);
1.1 nicm 1642: return;
1643: }
1644:
1.373 nicm 1645: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1646:
1.56 nicm 1647: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1648: tty_margin_pane(tty, ctx);
1.56 nicm 1649: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1650:
1.331 nicm 1651: if (tty_term_has(tty->term, TTYC_RI))
1652: tty_putcode(tty, TTYC_RI);
1653: else
1654: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1655: }
1656:
1657: void
1.24 nicm 1658: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1659: {
1.56 nicm 1660: if (ctx->ocy != ctx->orlower)
1661: return;
1662:
1.309 nicm 1663: if (ctx->bigger ||
1.372 nicm 1664: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1665: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1666: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1667: ctx->sx == 1 ||
1668: ctx->sy == 1) {
1.236 nicm 1669: tty_redraw_region(tty, ctx);
1.1 nicm 1670: return;
1671: }
1.52 nicm 1672:
1.373 nicm 1673: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1674:
1.56 nicm 1675: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1676: tty_margin_pane(tty, ctx);
1677:
1678: /*
1.301 nicm 1679: * If we want to wrap a pane while using margins, the cursor needs to
1680: * be exactly on the right of the region. If the cursor is entirely off
1681: * the edge - move it back to the right. Some terminals are funny about
1682: * this and insert extra spaces, so only use the right if margins are
1683: * enabled.
1.212 nicm 1684: */
1.301 nicm 1685: if (ctx->xoff + ctx->ocx > tty->rright) {
1686: if (!tty_use_margin(tty))
1687: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1688: else
1689: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1690: } else
1.212 nicm 1691: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1692:
1.56 nicm 1693: tty_putc(tty, '\n');
1.240 nicm 1694: }
1695:
1696: void
1697: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1698: {
1.373 nicm 1699: u_int i;
1.240 nicm 1700:
1.309 nicm 1701: if (ctx->bigger ||
1.372 nicm 1702: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1703: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1704: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1705: ctx->sx == 1 ||
1706: ctx->sy == 1) {
1.240 nicm 1707: tty_redraw_region(tty, ctx);
1708: return;
1709: }
1710:
1.373 nicm 1711: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.240 nicm 1712:
1713: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1714: tty_margin_pane(tty, ctx);
1715:
1.284 nicm 1716: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1717: if (!tty_use_margin(tty))
1718: tty_cursor(tty, 0, tty->rlower);
1719: else
1720: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1721: for (i = 0; i < ctx->num; i++)
1.240 nicm 1722: tty_putc(tty, '\n');
1.301 nicm 1723: } else {
1.353 nicm 1724: if (tty->cy == UINT_MAX)
1725: tty_cursor(tty, 0, 0);
1726: else
1727: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1728: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1729: }
1730: }
1731:
1732: void
1733: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1734: {
1.373 nicm 1735: u_int i;
1.331 nicm 1736:
1737: if (ctx->bigger ||
1.372 nicm 1738: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1739: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.331 nicm 1740: !tty_term_has(tty->term, TTYC_CSR) ||
1741: (!tty_term_has(tty->term, TTYC_RI) &&
1742: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1743: ctx->sx == 1 ||
1744: ctx->sy == 1) {
1.331 nicm 1745: tty_redraw_region(tty, ctx);
1746: return;
1747: }
1748:
1.373 nicm 1749: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.331 nicm 1750:
1751: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1752: tty_margin_pane(tty, ctx);
1753: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1754:
1755: if (tty_term_has(tty->term, TTYC_RIN))
1756: tty_putcode1(tty, TTYC_RIN, ctx->num);
1757: else {
1758: for (i = 0; i < ctx->num; i++)
1759: tty_putcode(tty, TTYC_RI);
1.301 nicm 1760: }
1.1 nicm 1761: }
1762:
1763: void
1.24 nicm 1764: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1765: {
1.373 nicm 1766: u_int px, py, nx, ny;
1.1 nicm 1767:
1.373 nicm 1768: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1769:
1.372 nicm 1770: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1771: tty_margin_off(tty);
1.39 nicm 1772:
1.309 nicm 1773: px = 0;
1.372 nicm 1774: nx = ctx->sx;
1.309 nicm 1775: py = ctx->ocy + 1;
1.372 nicm 1776: ny = ctx->sy - ctx->ocy - 1;
1.271 nicm 1777:
1.309 nicm 1778: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1779:
1.309 nicm 1780: px = ctx->ocx;
1.372 nicm 1781: nx = ctx->sx - ctx->ocx;
1.309 nicm 1782: py = ctx->ocy;
1.271 nicm 1783:
1.309 nicm 1784: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1785: }
1786:
1787: void
1.24 nicm 1788: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1789: {
1.373 nicm 1790: u_int px, py, nx, ny;
1.1 nicm 1791:
1.373 nicm 1792: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1793:
1.372 nicm 1794: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1795: tty_margin_off(tty);
1.39 nicm 1796:
1.309 nicm 1797: px = 0;
1.372 nicm 1798: nx = ctx->sx;
1.309 nicm 1799: py = 0;
1.319 nicm 1800: ny = ctx->ocy;
1.271 nicm 1801:
1.309 nicm 1802: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1803:
1.309 nicm 1804: px = 0;
1.271 nicm 1805: nx = ctx->ocx + 1;
1.309 nicm 1806: py = ctx->ocy;
1.271 nicm 1807:
1.309 nicm 1808: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1809: }
1810:
1811: void
1.24 nicm 1812: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1813: {
1.373 nicm 1814: u_int px, py, nx, ny;
1.1 nicm 1815:
1.373 nicm 1816: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1817:
1.372 nicm 1818: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1819: tty_margin_off(tty);
1.39 nicm 1820:
1.309 nicm 1821: px = 0;
1.372 nicm 1822: nx = ctx->sx;
1.309 nicm 1823: py = 0;
1.372 nicm 1824: ny = ctx->sy;
1.271 nicm 1825:
1.309 nicm 1826: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1827: }
1828:
1829: void
1.24 nicm 1830: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1831: {
1.373 nicm 1832: u_int i, j;
1.4 nicm 1833:
1.309 nicm 1834: if (ctx->bigger) {
1.373 nicm 1835: ctx->redraw_cb(ctx);
1.309 nicm 1836: return;
1837: }
1838:
1.373 nicm 1839: tty_attributes(tty, &grid_default_cell, &ctx->defaults, ctx->palette);
1.4 nicm 1840:
1.372 nicm 1841: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1842: tty_margin_off(tty);
1.4 nicm 1843:
1.372 nicm 1844: for (j = 0; j < ctx->sy; j++) {
1.41 nicm 1845: tty_cursor_pane(tty, ctx, 0, j);
1.372 nicm 1846: for (i = 0; i < ctx->sx; i++)
1.4 nicm 1847: tty_putc(tty, 'E');
1.1 nicm 1848: }
1849: }
1850:
1851: void
1.24 nicm 1852: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1853: {
1.309 nicm 1854: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1))
1855: return;
1856:
1.372 nicm 1857: if (ctx->xoff + ctx->ocx - ctx->wox > tty->sx - 1 &&
1.306 nicm 1858: ctx->ocy == ctx->orlower &&
1.372 nicm 1859: tty_full_width(tty, ctx))
1.306 nicm 1860: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1861:
1.306 nicm 1862: tty_margin_off(tty);
1.253 nicm 1863: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1864:
1.373 nicm 1865: tty_cell(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 1866: }
1867:
1868: void
1869: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1870: {
1.309 nicm 1871: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1872: return;
1873:
1874: if (ctx->bigger &&
1.372 nicm 1875: (ctx->xoff + ctx->ocx < ctx->wox ||
1876: ctx->xoff + ctx->ocx + ctx->num > ctx->wox + ctx->wsx)) {
1.309 nicm 1877: if (!ctx->wrapped ||
1.372 nicm 1878: !tty_full_width(tty, ctx) ||
1.359 nicm 1879: (tty->term->flags & TERM_NOXENL) ||
1.309 nicm 1880: ctx->xoff + ctx->ocx != 0 ||
1881: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1882: tty->cx < tty->sx ||
1883: tty->cy == tty->rlower)
1884: tty_draw_pane(tty, ctx, ctx->ocy);
1885: else
1.373 nicm 1886: ctx->redraw_cb(ctx);
1.309 nicm 1887: return;
1888: }
1889:
1.306 nicm 1890: tty_margin_off(tty);
1.253 nicm 1891: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1892:
1.373 nicm 1893: tty_attributes(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 1894: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1895: }
1896:
1897: void
1898: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1899: {
1900: char *buf;
1901: size_t off;
1902:
1903: if (!tty_term_has(tty->term, TTYC_MS))
1904: return;
1905:
1906: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1907: buf = xmalloc(off);
1908:
1909: b64_ntop(ctx->ptr, ctx->num, buf, off);
1910: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1911:
1.138 nicm 1912: free(buf);
1.100 nicm 1913: }
1914:
1915: void
1916: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1917: {
1.256 nicm 1918: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1919: tty_invalidate(tty);
1.348 nicm 1920: }
1921:
1922: void
1923: tty_cmd_syncstart(struct tty *tty, __unused const struct tty_ctx *ctx)
1924: {
1925: tty_sync_start(tty);
1.1 nicm 1926: }
1927:
1.207 nicm 1928: static void
1.373 nicm 1929: tty_cell(struct tty *tty, const struct grid_cell *gc,
1930: const struct grid_cell *defaults, int *palette)
1.1 nicm 1931: {
1.298 nicm 1932: const struct grid_cell *gcp;
1.1 nicm 1933:
1934: /* Skip last character if terminal is stupid. */
1.359 nicm 1935: if ((tty->term->flags & TERM_NOXENL) &&
1.211 nicm 1936: tty->cy == tty->sy - 1 &&
1937: tty->cx == tty->sx - 1)
1.1 nicm 1938: return;
1939:
1940: /* If this is a padding character, do nothing. */
1941: if (gc->flags & GRID_FLAG_PADDING)
1942: return;
1943:
1944: /* Set the attributes. */
1.373 nicm 1945: tty_attributes(tty, gc, defaults, palette);
1.1 nicm 1946:
1.147 nicm 1947: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.298 nicm 1948: gcp = tty_check_codeset(tty, gc);
1949: if (gcp->data.size == 1) {
1950: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 1951: return;
1.298 nicm 1952: tty_putc(tty, *gcp->data.data);
1.1 nicm 1953: return;
1954: }
1955:
1.147 nicm 1956: /* Write the data. */
1.298 nicm 1957: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 1958: }
1959:
1960: void
1961: tty_reset(struct tty *tty)
1962: {
1963: struct grid_cell *gc = &tty->cell;
1964:
1.228 nicm 1965: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 1966: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 1967: tty_putcode(tty, TTYC_RMACS);
1968: tty_putcode(tty, TTYC_SGR0);
1969: memcpy(gc, &grid_default_cell, sizeof *gc);
1970: }
1971: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1.242 nicm 1972: }
1973:
1974: static void
1975: tty_invalidate(struct tty *tty)
1976: {
1977: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1978: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1979:
1980: tty->cx = tty->cy = UINT_MAX;
1981: tty->rupper = tty->rleft = UINT_MAX;
1982: tty->rlower = tty->rright = UINT_MAX;
1983:
1984: if (tty->flags & TTY_STARTED) {
1.330 nicm 1985: if (tty_use_margin(tty))
1.365 nicm 1986: tty_putcode(tty, TTYC_ENMG);
1.242 nicm 1987: tty_putcode(tty, TTYC_SGR0);
1988:
1989: tty->mode = ALL_MODES;
1990: tty_update_mode(tty, MODE_CURSOR, NULL);
1991:
1992: tty_cursor(tty, 0, 0);
1993: tty_region_off(tty);
1994: tty_margin_off(tty);
1995: } else
1996: tty->mode = MODE_CURSOR;
1.1 nicm 1997: }
1998:
1.214 nicm 1999: /* Turn off margin. */
2000: void
2001: tty_region_off(struct tty *tty)
2002: {
2003: tty_region(tty, 0, tty->sy - 1);
2004: }
2005:
1.40 nicm 2006: /* Set region inside pane. */
1.208 nicm 2007: static void
1.196 nicm 2008: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
2009: u_int rlower)
1.1 nicm 2010: {
1.372 nicm 2011: tty_region(tty, ctx->yoff + rupper - ctx->woy,
2012: ctx->yoff + rlower - ctx->woy);
1.39 nicm 2013: }
2014:
1.40 nicm 2015: /* Set region at absolute position. */
1.214 nicm 2016: static void
1.40 nicm 2017: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2018: {
2019: if (tty->rlower == rlower && tty->rupper == rupper)
2020: return;
1.1 nicm 2021: if (!tty_term_has(tty->term, TTYC_CSR))
2022: return;
1.39 nicm 2023:
2024: tty->rupper = rupper;
2025: tty->rlower = rlower;
1.55 nicm 2026:
2027: /*
2028: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2029: * 0,0 if it is beyond the last column (they do not reset their wrap
2030: * flag so further output causes a line feed). As a workaround, do an
2031: * explicit move to 0 first.
2032: */
1.353 nicm 2033: if (tty->cx >= tty->sx) {
2034: if (tty->cy == UINT_MAX)
2035: tty_cursor(tty, 0, 0);
2036: else
2037: tty_cursor(tty, 0, tty->cy);
2038: }
1.42 nicm 2039:
1.39 nicm 2040: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2041: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2042: }
2043:
1.214 nicm 2044: /* Turn off margin. */
2045: void
2046: tty_margin_off(struct tty *tty)
2047: {
2048: tty_margin(tty, 0, tty->sx - 1);
2049: }
2050:
1.212 nicm 2051: /* Set margin inside pane. */
2052: static void
2053: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2054: {
1.372 nicm 2055: tty_margin(tty, ctx->xoff - ctx->wox,
1.373 nicm 2056: ctx->xoff + ctx->sx - 1 - ctx->wox);
1.212 nicm 2057: }
2058:
2059: /* Set margin at absolute position. */
1.214 nicm 2060: static void
1.212 nicm 2061: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2062: {
2063: if (!tty_use_margin(tty))
2064: return;
2065: if (tty->rleft == rleft && tty->rright == rright)
2066: return;
2067:
1.232 nicm 2068: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2069:
1.212 nicm 2070: tty->rleft = rleft;
2071: tty->rright = rright;
2072:
1.232 nicm 2073: if (rleft == 0 && rright == tty->sx - 1)
1.365 nicm 2074: tty_putcode(tty, TTYC_CLMG);
1.232 nicm 2075: else
1.365 nicm 2076: tty_putcode2(tty, TTYC_CMG, rleft, rright);
1.249 nicm 2077: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2078: }
2079:
2080: /*
2081: * Move the cursor, unless it would wrap itself when the next character is
2082: * printed.
2083: */
2084: static void
2085: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2086: u_int cx, u_int cy)
2087: {
1.268 nicm 2088: if (!ctx->wrapped ||
1.372 nicm 2089: !tty_full_width(tty, ctx) ||
1.359 nicm 2090: (tty->term->flags & TERM_NOXENL) ||
1.253 nicm 2091: ctx->xoff + cx != 0 ||
2092: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2093: tty->cx < tty->sx ||
2094: tty->cy == tty->rlower)
1.253 nicm 2095: tty_cursor_pane(tty, ctx, cx, cy);
2096: else
2097: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2098: }
2099:
1.42 nicm 2100: /* Move cursor inside pane. */
1.208 nicm 2101: static void
1.41 nicm 2102: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2103: {
1.372 nicm 2104: tty_cursor(tty, ctx->xoff + cx - ctx->wox, ctx->yoff + cy - ctx->woy);
1.41 nicm 2105: }
2106:
1.42 nicm 2107: /* Move cursor to absolute position. */
1.41 nicm 2108: void
2109: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2110: {
1.42 nicm 2111: struct tty_term *term = tty->term;
2112: u_int thisx, thisy;
2113: int change;
1.354 nicm 2114:
2115: if (tty->flags & TTY_BLOCK)
2116: return;
1.77 nicm 2117:
1.42 nicm 2118: if (cx > tty->sx - 1)
2119: cx = tty->sx - 1;
2120:
2121: thisx = tty->cx;
2122: thisy = tty->cy;
2123:
2124: /* No change. */
2125: if (cx == thisx && cy == thisy)
2126: return;
2127:
1.43 nicm 2128: /* Very end of the line, just use absolute movement. */
2129: if (thisx > tty->sx - 1)
2130: goto absolute;
2131:
1.42 nicm 2132: /* Move to home position (0, 0). */
2133: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2134: tty_putcode(tty, TTYC_HOME);
2135: goto out;
2136: }
2137:
2138: /* Zero on the next line. */
1.293 nicm 2139: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2140: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2141: tty_putc(tty, '\r');
1.42 nicm 2142: tty_putc(tty, '\n');
2143: goto out;
2144: }
2145:
1.45 nicm 2146: /* Moving column or row. */
1.42 nicm 2147: if (cy == thisy) {
1.45 nicm 2148: /*
2149: * Moving column only, row staying the same.
2150: */
2151:
1.42 nicm 2152: /* To left edge. */
1.294 nicm 2153: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2154: tty_putc(tty, '\r');
2155: goto out;
2156: }
2157:
2158: /* One to the left. */
2159: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2160: tty_putcode(tty, TTYC_CUB1);
2161: goto out;
2162: }
2163:
2164: /* One to the right. */
2165: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2166: tty_putcode(tty, TTYC_CUF1);
2167: goto out;
2168: }
2169:
2170: /* Calculate difference. */
2171: change = thisx - cx; /* +ve left, -ve right */
2172:
2173: /*
2174: * Use HPA if change is larger than absolute, otherwise move
2175: * the cursor with CUB/CUF.
2176: */
1.87 nicm 2177: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2178: tty_putcode1(tty, TTYC_HPA, cx);
2179: goto out;
1.333 nicm 2180: } else if (change > 0 &&
2181: tty_term_has(term, TTYC_CUB) &&
2182: !tty_use_margin(tty)) {
1.202 nicm 2183: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2184: tty_putcode(tty, TTYC_CUB1);
2185: tty_putcode(tty, TTYC_CUB1);
2186: goto out;
2187: }
1.42 nicm 2188: tty_putcode1(tty, TTYC_CUB, change);
2189: goto out;
1.333 nicm 2190: } else if (change < 0 &&
2191: tty_term_has(term, TTYC_CUF) &&
2192: !tty_use_margin(tty)) {
1.42 nicm 2193: tty_putcode1(tty, TTYC_CUF, -change);
2194: goto out;
2195: }
1.45 nicm 2196: } else if (cx == thisx) {
2197: /*
2198: * Moving row only, column staying the same.
2199: */
1.42 nicm 2200:
2201: /* One above. */
1.77 nicm 2202: if (thisy != tty->rupper &&
1.42 nicm 2203: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2204: tty_putcode(tty, TTYC_CUU1);
2205: goto out;
2206: }
2207:
2208: /* One below. */
1.49 nicm 2209: if (thisy != tty->rlower &&
1.42 nicm 2210: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2211: tty_putcode(tty, TTYC_CUD1);
2212: goto out;
2213: }
2214:
2215: /* Calculate difference. */
2216: change = thisy - cy; /* +ve up, -ve down */
2217:
2218: /*
1.77 nicm 2219: * Try to use VPA if change is larger than absolute or if this
2220: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2221: */
1.87 nicm 2222: if ((u_int) abs(change) > cy ||
1.42 nicm 2223: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2224: (change > 0 && cy - change < tty->rupper)) {
2225: if (tty_term_has(term, TTYC_VPA)) {
2226: tty_putcode1(tty, TTYC_VPA, cy);
2227: goto out;
2228: }
1.42 nicm 2229: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2230: tty_putcode1(tty, TTYC_CUU, change);
2231: goto out;
2232: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2233: tty_putcode1(tty, TTYC_CUD, -change);
2234: goto out;
2235: }
2236: }
2237:
1.43 nicm 2238: absolute:
1.42 nicm 2239: /* Absolute movement. */
2240: tty_putcode2(tty, TTYC_CUP, cy, cx);
2241:
2242: out:
2243: tty->cx = cx;
2244: tty->cy = cy;
1.1 nicm 2245: }
2246:
2247: void
1.176 nicm 2248: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.373 nicm 2249: const struct grid_cell *defaults, int *palette)
1.1 nicm 2250: {
1.63 nicm 2251: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2252: int changed;
1.61 nicm 2253:
1.373 nicm 2254: /* Copy cell and update default colours. */
2255: memcpy(&gc2, gc, sizeof gc2);
2256: if (gc2.fg == 8)
2257: gc2.fg = defaults->fg;
2258: if (gc2.bg == 8)
2259: gc2.bg = defaults->bg;
2260:
1.228 nicm 2261: /* Ignore cell if it is the same as the last one. */
1.373 nicm 2262: if (gc2.attr == tty->last_cell.attr &&
2263: gc2.fg == tty->last_cell.fg &&
2264: gc2.bg == tty->last_cell.bg &&
2265: gc2.us == tty->last_cell.us)
1.228 nicm 2266: return;
1.63 nicm 2267:
1.18 nicm 2268: /*
2269: * If no setab, try to use the reverse attribute as a best-effort for a
2270: * non-default background. This is a bit of a hack but it doesn't do
2271: * any serious harm and makes a couple of applications happier.
2272: */
2273: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2274: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2275: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2276: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2277: } else {
1.310 nicm 2278: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2279: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2280: }
2281: }
1.1 nicm 2282:
1.85 nicm 2283: /* Fix up the colours if necessary. */
1.373 nicm 2284: tty_check_fg(tty, palette, &gc2);
2285: tty_check_bg(tty, palette, &gc2);
2286: tty_check_us(tty, palette, &gc2);
1.85 nicm 2287:
1.328 nicm 2288: /*
2289: * If any bits are being cleared or the underline colour is now default,
2290: * reset everything.
2291: */
2292: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2293: tty_reset(tty);
2294:
2295: /*
2296: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2297: * may add to (NOT remove) the desired attributes.
1.64 nicm 2298: */
1.85 nicm 2299: tty_colours(tty, &gc2);
1.64 nicm 2300:
1.1 nicm 2301: /* Filter out attribute bits already set. */
1.85 nicm 2302: changed = gc2.attr & ~tc->attr;
2303: tc->attr = gc2.attr;
1.1 nicm 2304:
2305: /* Set the attributes. */
2306: if (changed & GRID_ATTR_BRIGHT)
2307: tty_putcode(tty, TTYC_BOLD);
2308: if (changed & GRID_ATTR_DIM)
2309: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2310: if (changed & GRID_ATTR_ITALICS)
2311: tty_set_italics(tty);
1.308 nicm 2312: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2313: if ((changed & GRID_ATTR_UNDERSCORE) ||
2314: !tty_term_has(tty->term, TTYC_SMULX))
2315: tty_putcode(tty, TTYC_SMUL);
2316: else if (changed & GRID_ATTR_UNDERSCORE_2)
2317: tty_putcode1(tty, TTYC_SMULX, 2);
2318: else if (changed & GRID_ATTR_UNDERSCORE_3)
2319: tty_putcode1(tty, TTYC_SMULX, 3);
2320: else if (changed & GRID_ATTR_UNDERSCORE_4)
2321: tty_putcode1(tty, TTYC_SMULX, 4);
2322: else if (changed & GRID_ATTR_UNDERSCORE_5)
2323: tty_putcode1(tty, TTYC_SMULX, 5);
2324: }
1.1 nicm 2325: if (changed & GRID_ATTR_BLINK)
2326: tty_putcode(tty, TTYC_BLINK);
2327: if (changed & GRID_ATTR_REVERSE) {
2328: if (tty_term_has(tty->term, TTYC_REV))
2329: tty_putcode(tty, TTYC_REV);
2330: else if (tty_term_has(tty->term, TTYC_SMSO))
2331: tty_putcode(tty, TTYC_SMSO);
2332: }
2333: if (changed & GRID_ATTR_HIDDEN)
2334: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2335: if (changed & GRID_ATTR_STRIKETHROUGH)
2336: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2337: if (changed & GRID_ATTR_OVERLINE)
2338: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2339: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2340: tty_putcode(tty, TTYC_SMACS);
1.373 nicm 2341:
2342: memcpy(&tty->last_cell, &gc2, sizeof tty->last_cell);
1.1 nicm 2343: }
2344:
1.207 nicm 2345: static void
1.85 nicm 2346: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2347: {
1.61 nicm 2348: struct grid_cell *tc = &tty->cell;
1.204 nicm 2349: int have_ax;
1.61 nicm 2350:
2351: /* No changes? Nothing is necessary. */
1.328 nicm 2352: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2353: return;
1.1 nicm 2354:
1.61 nicm 2355: /*
2356: * Is either the default colour? This is handled specially because the
2357: * best solution might be to reset both colours to default, in which
2358: * case if only one is default need to fall onward to set the other
2359: * colour.
2360: */
1.310 nicm 2361: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2362: /*
2363: * If don't have AX but do have op, send sgr0 (op can't
2364: * actually be used because it is sometimes the same as sgr0
2365: * and sometimes isn't). This resets both colours to default.
2366: *
2367: * Otherwise, try to set the default colour only as needed.
2368: */
1.174 nicm 2369: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2370: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2371: tty_reset(tty);
2372: else {
1.310 nicm 2373: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2374: if (have_ax)
2375: tty_puts(tty, "\033[39m");
1.204 nicm 2376: else if (tc->fg != 7)
1.61 nicm 2377: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2378: tc->fg = gc->fg;
1.61 nicm 2379: }
1.310 nicm 2380: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2381: if (have_ax)
1.61 nicm 2382: tty_puts(tty, "\033[49m");
1.204 nicm 2383: else if (tc->bg != 0)
1.61 nicm 2384: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2385: tc->bg = gc->bg;
1.61 nicm 2386: }
2387: }
2388: }
1.1 nicm 2389:
1.61 nicm 2390: /* Set the foreground colour. */
1.310 nicm 2391: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2392: tty_colours_fg(tty, gc);
1.1 nicm 2393:
1.61 nicm 2394: /*
2395: * Set the background colour. This must come after the foreground as
2396: * tty_colour_fg() can call tty_reset().
2397: */
1.310 nicm 2398: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2399: tty_colours_bg(tty, gc);
1.328 nicm 2400:
2401: /* Set the underscore color. */
2402: if (gc->us != tc->us)
2403: tty_colours_us(tty, gc);
1.1 nicm 2404: }
2405:
1.219 nicm 2406: static void
1.373 nicm 2407: tty_check_fg(struct tty *tty, int *palette, struct grid_cell *gc)
1.85 nicm 2408: {
1.204 nicm 2409: u_char r, g, b;
2410: u_int colours;
1.223 nicm 2411: int c;
1.85 nicm 2412:
1.288 nicm 2413: /*
2414: * Perform substitution if this pane has a palette. If the bright
2415: * attribute is set, use the bright entry in the palette by changing to
2416: * the aixterm colour.
2417: */
2418: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2419: c = gc->fg;
1.289 nicm 2420: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2421: c += 90;
1.373 nicm 2422: if ((c = tty_get_palette(palette, c)) != -1)
1.288 nicm 2423: gc->fg = c;
2424: }
1.219 nicm 2425:
1.199 nicm 2426: /* Is this a 24-bit colour? */
1.204 nicm 2427: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2428: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2429: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2430: return;
1.341 nicm 2431: colour_split_rgb(gc->fg, &r, &g, &b);
2432: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2433: }
1.224 nicm 2434:
2435: /* How many colours does this terminal have? */
1.359 nicm 2436: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2437: colours = 256;
2438: else
2439: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2440:
1.85 nicm 2441: /* Is this a 256-colour colour? */
1.204 nicm 2442: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2443: /* And not a 256 colour mode? */
1.224 nicm 2444: if (colours != 256) {
1.85 nicm 2445: gc->fg = colour_256to16(gc->fg);
2446: if (gc->fg & 8) {
2447: gc->fg &= 7;
1.175 nicm 2448: if (colours >= 16)
2449: gc->fg += 90;
1.332 nicm 2450: }
1.85 nicm 2451: }
2452: return;
2453: }
2454:
2455: /* Is this an aixterm colour? */
2456: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2457: gc->fg -= 90;
2458: gc->attr |= GRID_ATTR_BRIGHT;
2459: }
2460: }
2461:
1.219 nicm 2462: static void
1.373 nicm 2463: tty_check_bg(struct tty *tty, int *palette, struct grid_cell *gc)
1.85 nicm 2464: {
1.204 nicm 2465: u_char r, g, b;
2466: u_int colours;
1.223 nicm 2467: int c;
1.85 nicm 2468:
1.288 nicm 2469: /* Perform substitution if this pane has a palette. */
2470: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.373 nicm 2471: if ((c = tty_get_palette(palette, gc->bg)) != -1)
1.288 nicm 2472: gc->bg = c;
2473: }
1.219 nicm 2474:
1.199 nicm 2475: /* Is this a 24-bit colour? */
1.204 nicm 2476: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2477: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2478: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2479: return;
1.341 nicm 2480: colour_split_rgb(gc->bg, &r, &g, &b);
2481: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2482: }
1.224 nicm 2483:
2484: /* How many colours does this terminal have? */
1.359 nicm 2485: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2486: colours = 256;
2487: else
2488: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2489:
1.85 nicm 2490: /* Is this a 256-colour colour? */
1.204 nicm 2491: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2492: /*
2493: * And not a 256 colour mode? Translate to 16-colour
2494: * palette. Bold background doesn't exist portably, so just
2495: * discard the bold bit if set.
2496: */
1.224 nicm 2497: if (colours != 256) {
1.85 nicm 2498: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2499: if (gc->bg & 8) {
1.85 nicm 2500: gc->bg &= 7;
1.175 nicm 2501: if (colours >= 16)
1.322 nicm 2502: gc->bg += 90;
1.175 nicm 2503: }
1.85 nicm 2504: }
2505: return;
2506: }
2507:
2508: /* Is this an aixterm colour? */
1.175 nicm 2509: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2510: gc->bg -= 90;
2511: }
2512:
1.207 nicm 2513: static void
1.373 nicm 2514: tty_check_us(__unused struct tty *tty, int *palette, struct grid_cell *gc)
1.328 nicm 2515: {
2516: int c;
2517:
2518: /* Perform substitution if this pane has a palette. */
2519: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.373 nicm 2520: if ((c = tty_get_palette(palette, gc->us)) != -1)
1.328 nicm 2521: gc->us = c;
2522: }
2523:
2524: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2525: if (gc->us & COLOUR_FLAG_256)
2526: gc->us = colour_256toRGB (gc->us);
2527: }
2528:
2529: static void
1.85 nicm 2530: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2531: {
1.61 nicm 2532: struct grid_cell *tc = &tty->cell;
1.79 nicm 2533: char s[32];
1.1 nicm 2534:
1.204 nicm 2535: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2536: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2537: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 2538: goto save_fg;
1.199 nicm 2539: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2540: return;
1.1 nicm 2541: }
2542:
1.79 nicm 2543: /* Is this an aixterm bright colour? */
1.204 nicm 2544: if (gc->fg >= 90 && gc->fg <= 97) {
1.359 nicm 2545: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2546: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2547: tty_puts(tty, s);
2548: } else
2549: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.85 nicm 2550: goto save_fg;
1.79 nicm 2551: }
2552:
1.61 nicm 2553: /* Otherwise set the foreground colour. */
1.204 nicm 2554: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2555:
1.77 nicm 2556: save_fg:
1.61 nicm 2557: /* Save the new values in the terminal current cell. */
1.204 nicm 2558: tc->fg = gc->fg;
1.1 nicm 2559: }
2560:
1.207 nicm 2561: static void
1.73 nicm 2562: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2563: {
1.61 nicm 2564: struct grid_cell *tc = &tty->cell;
1.79 nicm 2565: char s[32];
1.1 nicm 2566:
1.204 nicm 2567: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2568: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2569: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 2570: goto save_bg;
1.199 nicm 2571: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2572: return;
1.79 nicm 2573: }
2574:
2575: /* Is this an aixterm bright colour? */
1.204 nicm 2576: if (gc->bg >= 90 && gc->bg <= 97) {
1.359 nicm 2577: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2578: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2579: tty_puts(tty, s);
2580: } else
2581: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.175 nicm 2582: goto save_bg;
1.1 nicm 2583: }
2584:
1.61 nicm 2585: /* Otherwise set the background colour. */
1.204 nicm 2586: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2587:
2588: save_bg:
2589: /* Save the new values in the terminal current cell. */
1.204 nicm 2590: tc->bg = gc->bg;
1.328 nicm 2591: }
2592:
2593: static void
2594: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2595: {
2596: struct grid_cell *tc = &tty->cell;
2597: u_int c;
2598: u_char r, g, b;
2599:
2600: /* Must be an RGB colour - this should never happen. */
2601: if (~gc->us & COLOUR_FLAG_RGB)
2602: return;
2603:
2604: /*
2605: * Setulc follows the ncurses(3) one argument "direct colour"
2606: * capability format. Calculate the colour value.
2607: */
2608: colour_split_rgb(gc->us, &r, &g, &b);
2609: c = (65536 * r) + (256 * g) + b;
2610:
2611: /* Write the colour. */
2612: tty_putcode1(tty, TTYC_SETULC, c);
2613:
2614: /* Save the new values in the terminal current cell. */
2615: tc->us = gc->us;
1.61 nicm 2616: }
2617:
1.207 nicm 2618: static int
1.204 nicm 2619: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2620: {
1.204 nicm 2621: u_char r, g, b;
1.61 nicm 2622:
1.204 nicm 2623: if (colour & COLOUR_FLAG_256) {
1.359 nicm 2624: if (*type == '3' && tty_term_has(tty->term, TTYC_SETAF))
2625: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2626: else if (tty_term_has(tty->term, TTYC_SETAB))
2627: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2628: return (0);
1.204 nicm 2629: }
2630:
2631: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2632: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.359 nicm 2633: if (*type == '3' && tty_term_has(tty->term, TTYC_SETRGBF))
1.286 nicm 2634: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
1.359 nicm 2635: else if (tty_term_has(tty->term, TTYC_SETRGBB))
1.286 nicm 2636: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
1.165 nicm 2637: return (0);
2638: }
1.61 nicm 2639:
1.165 nicm 2640: return (-1);
1.176 nicm 2641: }
2642:
1.207 nicm 2643: static void
1.371 nicm 2644: tty_window_default_style(struct grid_cell *gc, struct window_pane *wp)
2645: {
2646: memcpy(gc, &grid_default_cell, sizeof *gc);
2647: gc->fg = wp->fg;
2648: gc->bg = wp->bg;
2649: }
2650:
1.373 nicm 2651: void
1.317 nicm 2652: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2653: {
1.326 nicm 2654: struct options *oo = wp->options;
1.373 nicm 2655:
2656: memcpy(gc, &grid_default_cell, sizeof *gc);
1.326 nicm 2657:
2658: if (wp->flags & PANE_STYLECHANGED) {
2659: wp->flags &= ~PANE_STYLECHANGED;
1.371 nicm 2660:
2661: tty_window_default_style(&wp->cached_active_gc, wp);
2662: style_add(&wp->cached_active_gc, oo, "window-active-style",
2663: NULL);
2664: tty_window_default_style(&wp->cached_gc, wp);
2665: style_add(&wp->cached_gc, oo, "window-style", NULL);
1.203 nicm 2666: }
1.176 nicm 2667:
1.204 nicm 2668: if (gc->fg == 8) {
1.370 nicm 2669: if (wp == wp->window->active && wp->cached_active_gc.fg != 8)
2670: gc->fg = wp->cached_active_gc.fg;
1.204 nicm 2671: else
1.370 nicm 2672: gc->fg = wp->cached_gc.fg;
1.176 nicm 2673: }
2674:
1.204 nicm 2675: if (gc->bg == 8) {
1.370 nicm 2676: if (wp == wp->window->active && wp->cached_active_gc.bg != 8)
2677: gc->bg = wp->cached_active_gc.bg;
1.204 nicm 2678: else
1.370 nicm 2679: gc->bg = wp->cached_gc.bg;
1.176 nicm 2680: }
1.210 nicm 2681: }
2682:
2683: static void
1.373 nicm 2684: tty_default_attributes(struct tty *tty, const struct grid_cell *defaults,
2685: int *palette, u_int bg)
1.210 nicm 2686: {
1.373 nicm 2687: struct grid_cell gc;
1.210 nicm 2688:
2689: memcpy(&gc, &grid_default_cell, sizeof gc);
2690: gc.bg = bg;
1.373 nicm 2691: tty_attributes(tty, &gc, defaults, palette);
1.1 nicm 2692: }
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