Annotation of src/usr.bin/tmux/tty.c, Revision 1.374
1.374 ! nicm 1: /* $OpenBSD: tty.c,v 1.373 2020/05/16 15:34:08 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;
1.244 nicm 157: size_t size = EVBUFFER_LENGTH(tty->in);
158: int nread;
159:
160: nread = evbuffer_read(tty->in, tty->fd, -1);
1.295 nicm 161: if (nread == 0 || nread == -1) {
1.290 nicm 162: event_del(&tty->event_in);
1.295 nicm 163: server_client_lost(tty->client);
1.244 nicm 164: return;
1.290 nicm 165: }
1.258 nicm 166: log_debug("%s: read %d bytes (already %zu)", c->name, nread, size);
1.244 nicm 167:
168: while (tty_keys_next(tty))
169: ;
170: }
171:
172: static void
1.266 nicm 173: tty_timer_callback(__unused int fd, __unused short events, void *data)
174: {
175: struct tty *tty = data;
176: struct client *c = tty->client;
177: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
178:
179: log_debug("%s: %zu discarded", c->name, tty->discarded);
180:
1.305 nicm 181: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.266 nicm 182: c->discarded += tty->discarded;
183:
184: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
185: tty->flags &= ~TTY_BLOCK;
186: tty_invalidate(tty);
187: return;
188: }
189: tty->discarded = 0;
190: evtimer_add(&tty->timer, &tv);
191: }
192:
193: static int
194: tty_block_maybe(struct tty *tty)
195: {
196: struct client *c = tty->client;
197: size_t size = EVBUFFER_LENGTH(tty->out);
198: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
199:
200: if (size < TTY_BLOCK_START(tty))
201: return (0);
202:
203: if (tty->flags & TTY_BLOCK)
204: return (1);
205: tty->flags |= TTY_BLOCK;
206:
207: log_debug("%s: can't keep up, %zu discarded", c->name, size);
208:
209: evbuffer_drain(tty->out, size);
210: c->discarded += size;
211:
212: tty->discarded = 0;
213: evtimer_add(&tty->timer, &tv);
214: return (1);
215: }
216:
217: static void
1.244 nicm 218: tty_write_callback(__unused int fd, __unused short events, void *data)
219: {
1.246 nicm 220: struct tty *tty = data;
1.258 nicm 221: struct client *c = tty->client;
1.246 nicm 222: size_t size = EVBUFFER_LENGTH(tty->out);
223: int nwrite;
1.244 nicm 224:
225: nwrite = evbuffer_write(tty->out, tty->fd);
226: if (nwrite == -1)
227: return;
1.258 nicm 228: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 229:
1.270 nicm 230: if (c->redraw > 0) {
231: if ((size_t)nwrite >= c->redraw)
232: c->redraw = 0;
233: else
234: c->redraw -= nwrite;
235: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
236: c->redraw);
237: } else if (tty_block_maybe(tty))
1.266 nicm 238: return;
239:
1.247 nicm 240: if (EVBUFFER_LENGTH(tty->out) != 0)
241: event_add(&tty->event_out, NULL);
1.244 nicm 242: }
243:
1.1 nicm 244: int
1.166 nicm 245: tty_open(struct tty *tty, char **cause)
1.1 nicm 246: {
1.359 nicm 247: struct client *c = tty->client;
248:
249: tty->term = tty_term_create(tty, c->term_name, &c->term_features,
250: tty->fd, cause);
1.21 nicm 251: if (tty->term == NULL) {
252: tty_close(tty);
253: return (-1);
254: }
255: tty->flags |= TTY_OPENED;
1.1 nicm 256:
1.266 nicm 257: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 258:
259: event_set(&tty->event_in, tty->fd, EV_PERSIST|EV_READ,
260: tty_read_callback, tty);
261: tty->in = evbuffer_new();
1.311 nicm 262: if (tty->in == NULL)
263: fatal("out of memory");
1.1 nicm 264:
1.244 nicm 265: event_set(&tty->event_out, tty->fd, EV_WRITE, tty_write_callback, tty);
266: tty->out = evbuffer_new();
1.311 nicm 267: if (tty->out == NULL)
268: fatal("out of memory");
1.1 nicm 269:
1.266 nicm 270: evtimer_set(&tty->timer, tty_timer_callback, tty);
271:
1.1 nicm 272: tty_start_tty(tty);
273:
1.148 nicm 274: tty_keys_build(tty);
1.1 nicm 275:
276: return (0);
277: }
278:
1.340 nicm 279: static void
280: tty_start_timer_callback(__unused int fd, __unused short events, void *data)
281: {
282: struct tty *tty = data;
283: struct client *c = tty->client;
284:
285: log_debug("%s: start timer fired", c->name);
1.364 nicm 286: tty->flags |= (TTY_HAVEDA|TTY_HAVEXDA);
1.340 nicm 287: }
288:
1.244 nicm 289: void
290: tty_start_tty(struct tty *tty)
1.1 nicm 291: {
1.285 nicm 292: struct client *c = tty->client;
293: struct termios tio;
1.340 nicm 294: struct timeval tv = { .tv_sec = 1 };
1.33 nicm 295:
1.244 nicm 296: if (tty->fd != -1 && tcgetattr(tty->fd, &tty->tio) == 0) {
297: setblocking(tty->fd, 0);
298: event_add(&tty->event_in, NULL);
299:
300: memcpy(&tio, &tty->tio, sizeof tio);
301: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
302: tio.c_iflag |= IGNBRK;
303: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
304: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
305: ECHOPRT|ECHOKE|ISIG);
306: tio.c_cc[VMIN] = 1;
307: tio.c_cc[VTIME] = 0;
308: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
309: tcflush(tty->fd, TCIOFLUSH);
310: }
1.1 nicm 311:
1.10 nicm 312: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 313:
1.252 nicm 314: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 315: tty_putcode(tty, TTYC_CLEAR);
316:
317: if (tty_acs_needed(tty)) {
318: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 319: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 320: } else
321: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 322:
323: tty_putcode(tty, TTYC_CNORM);
1.343 nicm 324: if (tty_term_has(tty->term, TTYC_KMOUS)) {
325: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1003l");
326: tty_puts(tty, "\033[?1006l\033[?1005l");
327: }
1.121 nicm 328:
1.367 nicm 329: if (options_get_number(global_options, "focus-events")) {
330: tty->flags |= TTY_FOCUS;
331: tty_raw(tty, tty_term_string(tty->term, TTYC_ENFCS));
332: }
1.369 nicm 333: if (tty->term->flags & TERM_VT100LIKE)
1.352 nicm 334: tty_puts(tty, "\033[?7727h");
1.1 nicm 335:
1.340 nicm 336: evtimer_set(&tty->start_timer, tty_start_timer_callback, tty);
337: evtimer_add(&tty->start_timer, &tv);
338:
1.20 nicm 339: tty->flags |= TTY_STARTED;
1.242 nicm 340: tty_invalidate(tty);
1.107 nicm 341:
1.336 nicm 342: if (*tty->ccolour != '\0')
343: tty_force_cursor_colour(tty, "");
1.177 nicm 344:
345: tty->mouse_drag_flag = 0;
346: tty->mouse_drag_update = NULL;
347: tty->mouse_drag_release = NULL;
1.347 nicm 348: }
349:
350: void
351: tty_send_requests(struct tty *tty)
352: {
353: if (~tty->flags & TTY_STARTED)
354: return;
355:
1.369 nicm 356: if (tty->term->flags & TERM_VT100LIKE) {
1.347 nicm 357: if (~tty->flags & TTY_HAVEDA)
1.351 nicm 358: tty_puts(tty, "\033[>c");
1.364 nicm 359: if (~tty->flags & TTY_HAVEXDA)
360: tty_puts(tty, "\033[>q");
1.347 nicm 361: } else
1.364 nicm 362: tty->flags |= (TTY_HAVEDA|TTY_HAVEXDA);
1.128 nicm 363: }
364:
365: void
1.1 nicm 366: tty_stop_tty(struct tty *tty)
367: {
368: struct winsize ws;
369:
1.20 nicm 370: if (!(tty->flags & TTY_STARTED))
371: return;
372: tty->flags &= ~TTY_STARTED;
1.340 nicm 373:
374: evtimer_del(&tty->start_timer);
1.20 nicm 375:
1.266 nicm 376: event_del(&tty->timer);
377: tty->flags &= ~TTY_BLOCK;
378:
1.244 nicm 379: event_del(&tty->event_in);
380: event_del(&tty->event_out);
1.66 nicm 381:
1.1 nicm 382: /*
383: * Be flexible about error handling and try not kill the server just
384: * because the fd is invalid. Things like ssh -t can easily leave us
385: * with a dead tty.
386: */
387: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
388: return;
389: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
390: return;
391:
392: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 393: if (tty_acs_needed(tty))
1.90 nicm 394: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 395: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
396: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
397: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 398: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
399: if (tty_term_has(tty->term, TTYC_SE))
400: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 401: else
1.160 nicm 402: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 403: }
1.173 nicm 404: if (tty->mode & MODE_BRACKETPASTE)
1.366 nicm 405: tty_raw(tty, tty_term_string(tty->term, TTYC_DSBP));
1.336 nicm 406: if (*tty->ccolour != '\0')
407: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 408:
409: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
1.343 nicm 410: if (tty_term_has(tty->term, TTYC_KMOUS)) {
411: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1003l");
412: tty_raw(tty, "\033[?1006l\033[?1005l");
413: }
1.151 nicm 414:
1.367 nicm 415: if (tty->flags & TTY_FOCUS) {
416: tty->flags &= ~TTY_FOCUS;
417: tty_raw(tty, tty_term_string(tty->term, TTYC_DSFCS));
418: }
1.369 nicm 419: if (tty->term->flags & TERM_VT100LIKE)
1.352 nicm 420: tty_raw(tty, "\033[?7727l");
1.10 nicm 421:
1.212 nicm 422: if (tty_use_margin(tty))
1.365 nicm 423: tty_raw(tty, tty_term_string(tty->term, TTYC_DSMG));
1.10 nicm 424: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 425:
426: setblocking(tty->fd, 1);
1.1 nicm 427: }
428:
429: void
1.20 nicm 430: tty_close(struct tty *tty)
1.1 nicm 431: {
1.123 nicm 432: if (event_initialized(&tty->key_timer))
433: evtimer_del(&tty->key_timer);
1.20 nicm 434: tty_stop_tty(tty);
1.1 nicm 435:
1.21 nicm 436: if (tty->flags & TTY_OPENED) {
1.244 nicm 437: evbuffer_free(tty->in);
438: event_del(&tty->event_in);
439: evbuffer_free(tty->out);
440: event_del(&tty->event_out);
1.66 nicm 441:
1.21 nicm 442: tty_term_free(tty->term);
443: tty_keys_free(tty);
444:
445: tty->flags &= ~TTY_OPENED;
446: }
1.1 nicm 447:
1.21 nicm 448: if (tty->fd != -1) {
449: close(tty->fd);
450: tty->fd = -1;
451: }
1.1 nicm 452: }
453:
454: void
1.20 nicm 455: tty_free(struct tty *tty)
1.1 nicm 456: {
1.20 nicm 457: tty_close(tty);
1.138 nicm 458: free(tty->ccolour);
1.1 nicm 459: }
460:
461: void
1.359 nicm 462: tty_update_features(struct tty *tty)
1.212 nicm 463: {
1.359 nicm 464: struct client *c = tty->client;
465:
1.362 nicm 466: if (tty_apply_features(tty->term, c->term_features))
467: tty_term_apply_overrides(tty->term);
1.212 nicm 468:
469: if (tty_use_margin(tty))
1.365 nicm 470: tty_putcode(tty, TTYC_ENMG);
1.212 nicm 471: }
472:
473: void
1.1 nicm 474: tty_raw(struct tty *tty, const char *s)
475: {
1.150 nicm 476: ssize_t n, slen;
477: u_int i;
478:
479: slen = strlen(s);
480: for (i = 0; i < 5; i++) {
481: n = write(tty->fd, s, slen);
482: if (n >= 0) {
483: s += n;
484: slen -= n;
485: if (slen == 0)
486: break;
487: } else if (n == -1 && errno != EAGAIN)
488: break;
489: usleep(100);
490: }
1.1 nicm 491: }
492:
493: void
494: tty_putcode(struct tty *tty, enum tty_code_code code)
495: {
496: tty_puts(tty, tty_term_string(tty->term, code));
497: }
498:
499: void
500: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
501: {
502: if (a < 0)
503: return;
504: tty_puts(tty, tty_term_string1(tty->term, code, a));
505: }
506:
507: void
508: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
509: {
510: if (a < 0 || b < 0)
511: return;
512: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
513: }
514:
515: void
1.286 nicm 516: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
517: {
518: if (a < 0 || b < 0 || c < 0)
519: return;
520: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
521: }
522:
523: void
1.107 nicm 524: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
525: {
526: if (a != NULL)
527: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
528: }
529:
530: void
1.167 nicm 531: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
532: const void *b)
1.106 nicm 533: {
534: if (a != NULL && b != NULL)
535: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
536: }
537:
1.243 nicm 538: static void
539: tty_add(struct tty *tty, const char *buf, size_t len)
540: {
1.258 nicm 541: struct client *c = tty->client;
542:
1.266 nicm 543: if (tty->flags & TTY_BLOCK) {
544: tty->discarded += len;
545: return;
546: }
547:
1.244 nicm 548: evbuffer_add(tty->out, buf, len);
1.270 nicm 549: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 550: c->written += len;
1.243 nicm 551:
552: if (tty_log_fd != -1)
553: write(tty_log_fd, buf, len);
1.244 nicm 554: if (tty->flags & TTY_STARTED)
555: event_add(&tty->event_out, NULL);
1.243 nicm 556: }
557:
1.106 nicm 558: void
1.1 nicm 559: tty_puts(struct tty *tty, const char *s)
560: {
1.243 nicm 561: if (*s != '\0')
562: tty_add(tty, s, strlen(s));
1.1 nicm 563: }
564:
565: void
566: tty_putc(struct tty *tty, u_char ch)
567: {
1.90 nicm 568: const char *acs;
1.1 nicm 569:
1.359 nicm 570: if ((tty->term->flags & TERM_NOXENL) &&
1.325 nicm 571: ch >= 0x20 && ch != 0x7f &&
572: tty->cy == tty->sy - 1 &&
573: tty->cx + 1 >= tty->sx)
574: return;
575:
1.90 nicm 576: if (tty->cell.attr & GRID_ATTR_CHARSET) {
577: acs = tty_acs_get(tty, ch);
1.243 nicm 578: if (acs != NULL)
579: tty_add(tty, acs, strlen(acs));
580: else
581: tty_add(tty, &ch, 1);
582: } else
583: tty_add(tty, &ch, 1);
1.1 nicm 584:
585: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 586: if (tty->cx >= tty->sx) {
1.46 nicm 587: tty->cx = 1;
588: if (tty->cy != tty->rlower)
589: tty->cy++;
1.211 nicm 590:
591: /*
592: * On !xenl terminals, force the cursor position to
593: * where we think it should be after a line wrap - this
594: * means it works on sensible terminals as well.
595: */
1.359 nicm 596: if (tty->term->flags & TERM_NOXENL)
1.211 nicm 597: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 598: } else
599: tty->cx++;
600: }
601: }
602:
603: void
1.147 nicm 604: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 605: {
1.359 nicm 606: if ((tty->term->flags & TERM_NOXENL) &&
1.325 nicm 607: tty->cy == tty->sy - 1 &&
608: tty->cx + len >= tty->sx)
609: len = tty->sx - tty->cx - 1;
610:
1.243 nicm 611: tty_add(tty, buf, len);
1.268 nicm 612: if (tty->cx + width > tty->sx) {
613: tty->cx = (tty->cx + width) - tty->sx;
614: if (tty->cx <= tty->sx)
615: tty->cy++;
616: else
617: tty->cx = tty->cy = UINT_MAX;
618: } else
1.254 nicm 619: tty->cx += width;
1.5 nicm 620: }
621:
1.207 nicm 622: static void
1.180 nicm 623: tty_set_italics(struct tty *tty)
624: {
625: const char *s;
626:
627: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 628: s = options_get_string(global_options, "default-terminal");
1.180 nicm 629: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
630: tty_putcode(tty, TTYC_SITM);
631: return;
632: }
633: }
634: tty_putcode(tty, TTYC_SMSO);
635: }
636:
637: void
1.1 nicm 638: tty_set_title(struct tty *tty, const char *title)
639: {
1.105 nicm 640: if (!tty_term_has(tty->term, TTYC_TSL) ||
641: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 642: return;
643:
1.105 nicm 644: tty_putcode(tty, TTYC_TSL);
1.1 nicm 645: tty_puts(tty, title);
1.105 nicm 646: tty_putcode(tty, TTYC_FSL);
1.1 nicm 647: }
648:
1.208 nicm 649: static void
1.107 nicm 650: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
651: {
652: if (*ccolour == '\0')
653: tty_putcode(tty, TTYC_CR);
654: else
1.160 nicm 655: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 656: free(tty->ccolour);
1.107 nicm 657: tty->ccolour = xstrdup(ccolour);
658: }
659:
660: void
661: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 662: {
1.344 nicm 663: struct client *c = tty->client;
664: int changed;
1.1 nicm 665:
1.197 nicm 666: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 667: tty_force_cursor_colour(tty, s->ccolour);
668:
1.1 nicm 669: if (tty->flags & TTY_NOCURSOR)
670: mode &= ~MODE_CURSOR;
671:
672: changed = mode ^ tty->mode;
1.368 nicm 673: if (changed != 0)
674: log_debug("%s: update mode %x to %x", c->name, tty->mode, mode);
1.344 nicm 675:
1.183 nicm 676: if (changed & MODE_BLINKING) {
677: if (tty_term_has(tty->term, TTYC_CVVIS))
678: tty_putcode(tty, TTYC_CVVIS);
679: else
680: tty_putcode(tty, TTYC_CNORM);
681: changed |= MODE_CURSOR;
682: }
683: if (changed & MODE_CURSOR) {
684: if (mode & MODE_CURSOR)
685: tty_putcode(tty, TTYC_CNORM);
686: else
1.1 nicm 687: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 688: }
1.181 nicm 689: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 690: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 691: if (s->cstyle == 0 &&
1.160 nicm 692: tty_term_has(tty->term, TTYC_SE))
693: tty_putcode(tty, TTYC_SE);
1.108 nicm 694: else
1.160 nicm 695: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 696: }
697: tty->cstyle = s->cstyle;
1.1 nicm 698: }
1.344 nicm 699: if ((changed & ALL_MOUSE_MODES) &&
700: tty_term_has(tty->term, TTYC_KMOUS)) {
701: if ((mode & ALL_MOUSE_MODES) == 0)
702: tty_puts(tty, "\033[?1006l");
703: if ((changed & MODE_MOUSE_STANDARD) &&
704: (~mode & MODE_MOUSE_STANDARD))
705: tty_puts(tty, "\033[?1000l");
706: if ((changed & MODE_MOUSE_BUTTON) &&
707: (~mode & MODE_MOUSE_BUTTON))
708: tty_puts(tty, "\033[?1002l");
709: if ((changed & MODE_MOUSE_ALL) &&
710: (~mode & MODE_MOUSE_ALL))
711: tty_puts(tty, "\033[?1003l");
712:
713: if (mode & ALL_MOUSE_MODES)
1.153 nicm 714: tty_puts(tty, "\033[?1006h");
1.344 nicm 715: if ((changed & MODE_MOUSE_STANDARD) &&
716: (mode & MODE_MOUSE_STANDARD))
717: tty_puts(tty, "\033[?1000h");
718: if ((changed & MODE_MOUSE_BUTTON) &&
719: (mode & MODE_MOUSE_BUTTON))
720: tty_puts(tty, "\033[?1002h");
721: if ((changed & MODE_MOUSE_ALL) &&
722: (mode & MODE_MOUSE_ALL))
723: tty_puts(tty, "\033[?1003h");
1.115 nicm 724: }
725: if (changed & MODE_BRACKETPASTE) {
726: if (mode & MODE_BRACKETPASTE)
1.366 nicm 727: tty_putcode(tty, TTYC_ENBP);
1.115 nicm 728: else
1.366 nicm 729: tty_putcode(tty, TTYC_DSBP);
1.1 nicm 730: }
731: tty->mode = mode;
732: }
733:
1.207 nicm 734: static void
1.168 nicm 735: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
736: enum tty_code_code code1, u_int n)
1.1 nicm 737: {
738: if (tty_term_has(tty->term, code))
739: tty_putcode1(tty, code, n);
740: else {
741: while (n-- > 0)
742: tty_putcode(tty, code1);
743: }
744: }
745:
1.207 nicm 746: static void
1.133 nicm 747: tty_repeat_space(struct tty *tty, u_int n)
748: {
1.257 nicm 749: static char s[500];
750:
751: if (*s != ' ')
752: memset(s, ' ', sizeof s);
753:
754: while (n > sizeof s) {
755: tty_putn(tty, s, sizeof s, sizeof s);
756: n -= sizeof s;
757: }
758: if (n != 0)
759: tty_putn(tty, s, n, n);
1.304 nicm 760: }
761:
1.309 nicm 762: /* Is this window bigger than the terminal? */
763: int
764: tty_window_bigger(struct tty *tty)
765: {
766: struct client *c = tty->client;
767: struct window *w = c->session->curw->window;
768:
769: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
770: }
771:
772: /* What offset should this window be drawn at? */
773: int
774: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
775: {
776: *ox = tty->oox;
777: *oy = tty->ooy;
778: *sx = tty->osx;
779: *sy = tty->osy;
780:
781: return (tty->oflag);
782: }
783:
784: /* What offset should this window be drawn at? */
785: static int
786: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
787: {
788: struct client *c = tty->client;
789: struct window *w = c->session->curw->window;
790: struct window_pane *wp = w->active;
791: u_int cx, cy, lines;
792:
793: lines = status_line_size(c);
794:
795: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
796: *ox = 0;
797: *oy = 0;
798: *sx = w->sx;
799: *sy = w->sy;
800:
801: c->pan_window = NULL;
802: return (0);
803: }
804:
805: *sx = tty->sx;
806: *sy = tty->sy - lines;
807:
808: if (c->pan_window == w) {
809: if (*sx >= w->sx)
810: c->pan_ox = 0;
811: else if (c->pan_ox + *sx > w->sx)
812: c->pan_ox = w->sx - *sx;
813: *ox = c->pan_ox;
814: if (*sy >= w->sy)
815: c->pan_oy = 0;
816: else if (c->pan_oy + *sy > w->sy)
817: c->pan_oy = w->sy - *sy;
818: *oy = c->pan_oy;
819: return (1);
820: }
821:
822: if (~wp->screen->mode & MODE_CURSOR) {
823: *ox = 0;
824: *oy = 0;
825: } else {
826: cx = wp->xoff + wp->screen->cx;
827: cy = wp->yoff + wp->screen->cy;
828:
829: if (cx < *sx)
830: *ox = 0;
831: else if (cx > w->sx - *sx)
832: *ox = w->sx - *sx;
833: else
834: *ox = cx - *sx / 2;
835:
836: if (cy < *sy)
837: *oy = 0;
838: else if (cy > w->sy - *sy)
839: *oy = w->sy - *sy;
840: else
841: *oy = cy - *sy / 2;
842: }
843:
844: c->pan_window = NULL;
845: return (1);
846: }
847:
848: /* Update stored offsets for a window and redraw if necessary. */
849: void
850: tty_update_window_offset(struct window *w)
851: {
852: struct client *c;
853:
854: TAILQ_FOREACH(c, &clients, entry) {
855: if (c->session != NULL && c->session->curw->window == w)
856: tty_update_client_offset(c);
857: }
858: }
859:
860: /* Update stored offsets for a client and redraw if necessary. */
861: void
862: tty_update_client_offset(struct client *c)
1.304 nicm 863: {
1.309 nicm 864: u_int ox, oy, sx, sy;
1.314 nicm 865:
866: if (~c->flags & CLIENT_TERMINAL)
867: return;
1.304 nicm 868:
1.309 nicm 869: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
870: if (ox == c->tty.oox &&
871: oy == c->tty.ooy &&
872: sx == c->tty.osx &&
873: sy == c->tty.osy)
874: return;
875:
876: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
877: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
878: ox, oy, sx, sy);
879:
880: c->tty.oox = ox;
881: c->tty.ooy = oy;
882: c->tty.osx = sx;
883: c->tty.osy = sy;
884:
885: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 886: }
887:
1.373 nicm 888: /* Get a palette entry. */
889: static int
890: tty_get_palette(int *palette, int c)
891: {
892: int new;
893:
894: if (palette == NULL)
895: return (-1);
896:
897: new = -1;
898: if (c < 8)
899: new = palette[c];
900: else if (c >= 90 && c <= 97)
901: new = palette[8 + c - 90];
902: else if (c & COLOUR_FLAG_256)
903: new = palette[c & ~COLOUR_FLAG_256];
904: if (new == 0)
905: return (-1);
906: return (new);
907: }
908:
1.1 nicm 909: /*
1.119 nicm 910: * Is the region large enough to be worth redrawing once later rather than
911: * probably several times now? Currently yes if it is more than 50% of the
912: * pane.
913: */
1.207 nicm 914: static int
1.194 nicm 915: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 916: {
1.372 nicm 917: return (ctx->orlower - ctx->orupper >= ctx->sy / 2);
1.119 nicm 918: }
919:
920: /*
1.176 nicm 921: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
922: * emulated.
923: */
1.207 nicm 924: static int
1.373 nicm 925: tty_fake_bce(const struct tty *tty, const struct grid_cell *gc, u_int bg)
1.176 nicm 926: {
1.210 nicm 927: if (tty_term_flag(tty->term, TTYC_BCE))
928: return (0);
1.373 nicm 929: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc->bg))
1.210 nicm 930: return (1);
931: return (0);
1.176 nicm 932: }
933:
934: /*
1.1 nicm 935: * Redraw scroll region using data from screen (already updated). Used when
936: * CSR not supported, or window is a pane that doesn't take up the full
937: * width of the terminal.
938: */
1.207 nicm 939: static void
1.24 nicm 940: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 941: {
1.358 nicm 942: struct client *c = tty->client;
1.204 nicm 943: u_int i;
1.1 nicm 944:
945: /*
1.373 nicm 946: * If region is large, schedule a redraw. In most cases this is likely
947: * to be followed by some more scrolling.
1.1 nicm 948: */
1.119 nicm 949: if (tty_large_region(tty, ctx)) {
1.373 nicm 950: log_debug("%s: %s large redraw", __func__, c->name);
951: ctx->redraw_cb(ctx);
1.1 nicm 952: return;
953: }
954:
1.14 nicm 955: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
1.372 nicm 956: for (i = ctx->ocy; i < ctx->sy; i++)
1.309 nicm 957: tty_draw_pane(tty, ctx, i);
1.1 nicm 958: } else {
1.14 nicm 959: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.309 nicm 960: tty_draw_pane(tty, ctx, i);
1.1 nicm 961: }
962: }
963:
1.309 nicm 964: /* Is this position visible in the pane? */
965: static int
1.374 ! nicm 966: tty_is_visible(__unused struct tty *tty, const struct tty_ctx *ctx, u_int px,
! 967: u_int py, u_int nx, u_int ny)
1.309 nicm 968: {
1.374 ! nicm 969: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 970:
971: if (!ctx->bigger)
972: return (1);
973:
1.372 nicm 974: if (xoff + nx <= ctx->wox || xoff >= ctx->wox + ctx->wsx ||
1.374 ! nicm 975: yoff + ny <= ctx->woy || yoff >= ctx->woy + ctx->wsy)
1.309 nicm 976: return (0);
977: return (1);
978: }
979:
980: /* Clamp line position to visible part of pane. */
981: static int
982: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
983: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
984: {
1.373 nicm 985: u_int xoff = ctx->rxoff + px;
1.309 nicm 986:
987: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
988: return (0);
1.372 nicm 989: *ry = ctx->yoff + py - ctx->woy;
1.309 nicm 990:
1.372 nicm 991: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 992: /* All visible. */
993: *i = 0;
1.372 nicm 994: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 995: *rx = nx;
1.372 nicm 996: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 997: /* Both left and right not visible. */
1.372 nicm 998: *i = ctx->wox;
1.309 nicm 999: *x = 0;
1.372 nicm 1000: *rx = ctx->wsx;
1001: } else if (xoff < ctx->wox) {
1.309 nicm 1002: /* Left not visible. */
1.372 nicm 1003: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1004: *x = 0;
1005: *rx = nx - *i;
1006: } else {
1007: /* Right not visible. */
1008: *i = 0;
1.372 nicm 1009: *x = (ctx->xoff + px) - ctx->wox;
1010: *rx = ctx->wsx - *x;
1.309 nicm 1011: }
1012: if (*rx > nx)
1013: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1014:
1015: return (1);
1016: }
1017:
1018: /* Clear a line. */
1.271 nicm 1019: static void
1.373 nicm 1020: tty_clear_line(struct tty *tty, const struct grid_cell *defaults, u_int py,
1021: u_int px, u_int nx, u_int bg)
1.271 nicm 1022: {
1.309 nicm 1023: struct client *c = tty->client;
1024:
1025: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1026:
1027: /* Nothing to clear. */
1028: if (nx == 0)
1029: return;
1030:
1031: /* If genuine BCE is available, can try escape sequences. */
1.373 nicm 1032: if (!tty_fake_bce(tty, defaults, bg)) {
1.271 nicm 1033: /* Off the end of the line, use EL if available. */
1034: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1035: tty_cursor(tty, px, py);
1036: tty_putcode(tty, TTYC_EL);
1037: return;
1038: }
1039:
1040: /* At the start of the line. Use EL1. */
1041: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1042: tty_cursor(tty, px + nx - 1, py);
1043: tty_putcode(tty, TTYC_EL1);
1044: return;
1045: }
1046:
1047: /* Section of line. Use ECH if possible. */
1048: if (tty_term_has(tty->term, TTYC_ECH)) {
1049: tty_cursor(tty, px, py);
1050: tty_putcode1(tty, TTYC_ECH, nx);
1051: return;
1052: }
1053: }
1054:
1055: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 1056: tty_cursor(tty, px, py);
1.271 nicm 1057: tty_repeat_space(tty, nx);
1058: }
1059:
1.309 nicm 1060: /* Clear a line, adjusting to visible part of pane. */
1061: static void
1062: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1063: u_int px, u_int nx, u_int bg)
1064: {
1065: struct client *c = tty->client;
1066: u_int i, x, rx, ry;
1067:
1068: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1069:
1070: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1.373 nicm 1071: tty_clear_line(tty, &ctx->defaults, ry, x, rx, bg);
1.309 nicm 1072: }
1073:
1074: /* Clamp area position to visible part of pane. */
1075: static int
1076: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1077: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1078: u_int *ry)
1079: {
1.373 nicm 1080: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1081:
1082: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1083: return (0);
1084:
1.372 nicm 1085: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1086: /* All visible. */
1087: *i = 0;
1.372 nicm 1088: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1089: *rx = nx;
1.372 nicm 1090: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1091: /* Both left and right not visible. */
1.372 nicm 1092: *i = ctx->wox;
1.309 nicm 1093: *x = 0;
1.372 nicm 1094: *rx = ctx->wsx;
1095: } else if (xoff < ctx->wox) {
1.309 nicm 1096: /* Left not visible. */
1.372 nicm 1097: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1098: *x = 0;
1099: *rx = nx - *i;
1100: } else {
1101: /* Right not visible. */
1102: *i = 0;
1.372 nicm 1103: *x = (ctx->xoff + px) - ctx->wox;
1104: *rx = ctx->wsx - *x;
1.309 nicm 1105: }
1106: if (*rx > nx)
1107: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1108:
1.372 nicm 1109: if (yoff >= ctx->woy && yoff + ny <= ctx->woy + ctx->wsy) {
1.309 nicm 1110: /* All visible. */
1111: *j = 0;
1.372 nicm 1112: *y = ctx->yoff + py - ctx->woy;
1.309 nicm 1113: *ry = ny;
1.372 nicm 1114: } else if (yoff < ctx->woy && yoff + ny > ctx->woy + ctx->wsy) {
1.327 nicm 1115: /* Both top and bottom not visible. */
1.372 nicm 1116: *j = ctx->woy;
1.309 nicm 1117: *y = 0;
1.372 nicm 1118: *ry = ctx->wsy;
1119: } else if (yoff < ctx->woy) {
1.327 nicm 1120: /* Top not visible. */
1.372 nicm 1121: *j = ctx->woy - (ctx->yoff + py);
1.309 nicm 1122: *y = 0;
1123: *ry = ny - *j;
1124: } else {
1.327 nicm 1125: /* Bottom not visible. */
1.309 nicm 1126: *j = 0;
1.372 nicm 1127: *y = (ctx->yoff + py) - ctx->woy;
1128: *ry = ctx->wsy - *y;
1.309 nicm 1129: }
1130: if (*ry > ny)
1131: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1132:
1133: return (1);
1134: }
1135:
1136: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1137: static void
1.373 nicm 1138: tty_clear_area(struct tty *tty, const struct grid_cell *defaults, u_int py,
1139: u_int ny, u_int px, u_int nx, u_int bg)
1.271 nicm 1140: {
1.309 nicm 1141: struct client *c = tty->client;
1142: u_int yy;
1143: char tmp[64];
1.271 nicm 1144:
1.309 nicm 1145: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1146:
1147: /* Nothing to clear. */
1148: if (nx == 0 || ny == 0)
1149: return;
1150:
1151: /* If genuine BCE is available, can try escape sequences. */
1.373 nicm 1152: if (!tty_fake_bce(tty, defaults, bg)) {
1.276 nicm 1153: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1154: if (px == 0 &&
1155: px + nx >= tty->sx &&
1156: py + ny >= tty->sy &&
1157: tty_term_has(tty->term, TTYC_ED)) {
1158: tty_cursor(tty, 0, py);
1159: tty_putcode(tty, TTYC_ED);
1.274 nicm 1160: return;
1161: }
1162:
1163: /*
1.276 nicm 1164: * On VT420 compatible terminals we can use DECFRA if the
1165: * background colour isn't default (because it doesn't work
1166: * after SGR 0).
1.274 nicm 1167: */
1.359 nicm 1168: if ((tty->term->flags & TERM_DECFRA) && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1169: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1170: py + 1, px + 1, py + ny, px + nx);
1171: tty_puts(tty, tmp);
1.276 nicm 1172: return;
1173: }
1174:
1.280 nicm 1175: /* Full lines can be scrolled away to clear them. */
1176: if (px == 0 &&
1.281 nicm 1177: px + nx >= tty->sx &&
1.280 nicm 1178: ny > 2 &&
1179: tty_term_has(tty->term, TTYC_CSR) &&
1180: tty_term_has(tty->term, TTYC_INDN)) {
1181: tty_region(tty, py, py + ny - 1);
1182: tty_margin_off(tty);
1.284 nicm 1183: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1184: return;
1185: }
1186:
1.276 nicm 1187: /*
1188: * If margins are supported, can just scroll the area off to
1189: * clear it.
1190: */
1.277 nicm 1191: if (nx > 2 &&
1192: ny > 2 &&
1.280 nicm 1193: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1194: tty_use_margin(tty) &&
1195: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1196: tty_region(tty, py, py + ny - 1);
1197: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1198: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1199: return;
1200: }
1201: }
1202:
1203: /* Couldn't use an escape sequence, loop over the lines. */
1204: for (yy = py; yy < py + ny; yy++)
1.373 nicm 1205: tty_clear_line(tty, defaults, yy, px, nx, bg);
1.271 nicm 1206: }
1207:
1.309 nicm 1208: /* Clear an area in a pane. */
1209: static void
1210: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1211: u_int ny, u_int px, u_int nx, u_int bg)
1212: {
1213: u_int i, j, x, y, rx, ry;
1214:
1215: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1.373 nicm 1216: tty_clear_area(tty, &ctx->defaults, y, ry, x, rx, bg);
1.309 nicm 1217: }
1218:
1219: static void
1220: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1221: {
1.373 nicm 1222: struct screen *s = ctx->s;
1223: u_int nx = ctx->sx, i, x, rx, ry;
1.309 nicm 1224:
1225: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1226:
1227: if (!ctx->bigger) {
1.373 nicm 1228: tty_draw_line(tty, s, 0, py, nx, ctx->xoff, ctx->yoff + py,
1229: &ctx->defaults, ctx->palette);
1.309 nicm 1230: return;
1231: }
1.373 nicm 1232: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry)) {
1233: tty_draw_line(tty, s, i, py, rx, x, ry, &ctx->defaults,
1234: ctx->palette);
1235: }
1.176 nicm 1236: }
1237:
1.298 nicm 1238: static const struct grid_cell *
1239: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1240: {
1241: static struct grid_cell new;
1242: u_int n;
1243:
1244: /* Characters less than 0x7f are always fine, no matter what. */
1245: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1246: return (gc);
1247:
1248: /* UTF-8 terminal and a UTF-8 character - fine. */
1.359 nicm 1249: if (tty->client->flags & CLIENT_UTF8)
1.298 nicm 1250: return (gc);
1251:
1252: /* Replace by the right number of underscores. */
1253: n = gc->data.width;
1254: if (n > UTF8_SIZE)
1255: n = UTF8_SIZE;
1256: memcpy(&new, gc, sizeof new);
1257: new.data.size = n;
1258: memset(new.data.data, '_', n);
1259: return (&new);
1260: }
1261:
1.346 nicm 1262: static int
1263: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1264: {
1265: struct client *c = tty->client;
1266:
1267: if (c->overlay_check == NULL)
1268: return (1);
1269: return (c->overlay_check(c, px, py));
1270: }
1271:
1.176 nicm 1272: void
1.373 nicm 1273: tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
1274: u_int atx, u_int aty, const struct grid_cell *defaults, int *palette)
1.1 nicm 1275: {
1.297 nicm 1276: struct grid *gd = s->grid;
1.250 nicm 1277: struct grid_cell gc, last;
1.298 nicm 1278: const struct grid_cell *gcp;
1.309 nicm 1279: struct grid_line *gl;
1280: u_int i, j, ux, sx, width;
1.329 nicm 1281: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1282: char buf[512];
1.315 nicm 1283: size_t len;
1.303 nicm 1284: u_int cellsize;
1.1 nicm 1285:
1.309 nicm 1286: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1287: px, py, nx, atx, aty);
1288:
1289: /*
1290: * py is the line in the screen to draw.
1291: * px is the start x and nx is the width to draw.
1292: * atx,aty is the line on the terminal to draw it.
1293: */
1294:
1.259 nicm 1295: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1296: tty->flags |= TTY_NOCURSOR;
1297: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1298:
1.214 nicm 1299: tty_region_off(tty);
1300: tty_margin_off(tty);
1301:
1.273 nicm 1302: /*
1303: * Clamp the width to cellsize - note this is not cellused, because
1304: * there may be empty background cells after it (from BCE).
1305: */
1.1 nicm 1306: sx = screen_size_x(s);
1.309 nicm 1307: if (nx > sx)
1308: nx = sx;
1.303 nicm 1309: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1310: if (sx > cellsize)
1311: sx = cellsize;
1.1 nicm 1312: if (sx > tty->sx)
1313: sx = tty->sx;
1.309 nicm 1314: if (sx > nx)
1315: sx = nx;
1.292 nicm 1316: ux = 0;
1.1 nicm 1317:
1.309 nicm 1318: if (py == 0)
1319: gl = NULL;
1320: else
1321: gl = grid_get_line(gd, gd->hsize + py - 1);
1.373 nicm 1322: if (gl == NULL ||
1.309 nicm 1323: (~gl->flags & GRID_LINE_WRAPPED) ||
1324: atx != 0 ||
1.268 nicm 1325: tty->cx < tty->sx ||
1.309 nicm 1326: nx < tty->sx) {
1327: if (nx < tty->sx &&
1328: atx == 0 &&
1329: px + sx != nx &&
1.268 nicm 1330: tty_term_has(tty->term, TTYC_EL1) &&
1.373 nicm 1331: !tty_fake_bce(tty, defaults, 8)) {
1332: tty_default_attributes(tty, defaults, palette, 8);
1.309 nicm 1333: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1334: tty_putcode(tty, TTYC_EL1);
1335: cleared = 1;
1336: }
1.329 nicm 1337: } else {
1.309 nicm 1338: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1339: wrapped = 1;
1340: }
1.250 nicm 1341:
1342: memcpy(&last, &grid_default_cell, sizeof last);
1343: len = 0;
1344: width = 0;
1.46 nicm 1345:
1.1 nicm 1346: for (i = 0; i < sx; i++) {
1.309 nicm 1347: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1348: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1349: if (len != 0 &&
1.346 nicm 1350: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1351: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1352: gcp->flags != last.flags ||
1353: gcp->attr != last.attr ||
1354: gcp->fg != last.fg ||
1355: gcp->bg != last.bg ||
1.328 nicm 1356: gcp->us != last.us ||
1.315 nicm 1357: ux + width + gcp->data.width > nx ||
1.298 nicm 1358: (sizeof buf) - len < gcp->data.size)) {
1.373 nicm 1359: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1360: if (last.flags & GRID_FLAG_CLEARED) {
1361: log_debug("%s: %zu cleared", __func__, len);
1.373 nicm 1362: tty_clear_line(tty, defaults, aty, atx + ux,
1363: width, last.bg);
1.315 nicm 1364: } else {
1.329 nicm 1365: if (!wrapped || atx != 0 || ux != 0)
1366: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1367: tty_putn(tty, buf, len, width);
1368: }
1.292 nicm 1369: ux += width;
1.250 nicm 1370:
1371: len = 0;
1372: width = 0;
1.329 nicm 1373: wrapped = 0;
1.250 nicm 1374: }
1375:
1.298 nicm 1376: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1377: screen_select_cell(s, &last, gcp);
1.250 nicm 1378: else
1.299 nicm 1379: memcpy(&last, gcp, sizeof last);
1.346 nicm 1380: if (!tty_check_overlay(tty, atx + ux, aty))
1381: ux += gcp->data.width;
1382: else if (ux + gcp->data.width > nx) {
1.373 nicm 1383: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1384: tty_cursor(tty, atx + ux, aty);
1.298 nicm 1385: for (j = 0; j < gcp->data.width; j++) {
1.309 nicm 1386: if (ux + j > nx)
1.297 nicm 1387: break;
1388: tty_putc(tty, ' ');
1389: ux++;
1390: }
1.299 nicm 1391: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1.373 nicm 1392: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1393: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1394: for (j = 0; j < gcp->data.size; j++)
1395: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1396: ux += gcp->data.width;
1.299 nicm 1397: } else {
1.298 nicm 1398: memcpy(buf + len, gcp->data.data, gcp->data.size);
1399: len += gcp->data.size;
1400: width += gcp->data.width;
1.250 nicm 1401: }
1402: }
1.315 nicm 1403: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.373 nicm 1404: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1405: if (last.flags & GRID_FLAG_CLEARED) {
1406: log_debug("%s: %zu cleared (end)", __func__, len);
1.373 nicm 1407: tty_clear_line(tty, defaults, aty, atx + ux, width,
1408: last.bg);
1.315 nicm 1409: } else {
1.329 nicm 1410: if (!wrapped || atx != 0 || ux != 0)
1411: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1412: tty_putn(tty, buf, len, width);
1413: }
1.315 nicm 1414: ux += width;
1.1 nicm 1415: }
1416:
1.309 nicm 1417: if (!cleared && ux < nx) {
1.315 nicm 1418: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1419: nx - ux, len);
1.373 nicm 1420: tty_default_attributes(tty, defaults, palette, 8);
1421: tty_clear_line(tty, defaults, aty, atx + ux, nx - ux, 8);
1.35 nicm 1422: }
1.1 nicm 1423:
1.181 nicm 1424: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1425: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1426: }
1427:
1.348 nicm 1428: void
1429: tty_sync_start(struct tty *tty)
1430: {
1.361 nicm 1431: if (tty->flags & TTY_BLOCK)
1432: return;
1433: if (tty->flags & TTY_SYNCING)
1434: return;
1435: tty->flags |= TTY_SYNCING;
1436:
1437: if (tty_term_has(tty->term, TTYC_SYNC)) {
1438: log_debug("%s sync start", tty->client->name);
1.360 nicm 1439: tty_putcode1(tty, TTYC_SYNC, 1);
1.357 nicm 1440: }
1.348 nicm 1441: }
1442:
1443: void
1444: tty_sync_end(struct tty *tty)
1445: {
1.361 nicm 1446: if (tty->flags & TTY_BLOCK)
1447: return;
1448: if (~tty->flags & TTY_SYNCING)
1449: return;
1450: tty->flags &= ~TTY_SYNCING;
1451:
1452: if (tty_term_has(tty->term, TTYC_SYNC)) {
1453: log_debug("%s sync end", tty->client->name);
1.360 nicm 1454: tty_putcode1(tty, TTYC_SYNC, 2);
1.357 nicm 1455: }
1.348 nicm 1456: }
1457:
1.201 nicm 1458: static int
1.373 nicm 1459: tty_client_ready(struct client *c)
1.182 nicm 1460: {
1461: if (c->session == NULL || c->tty.term == NULL)
1462: return (0);
1.305 nicm 1463: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1464: return (0);
1465: if (c->tty.flags & TTY_FREEZE)
1466: return (0);
1467: return (1);
1468: }
1469:
1.15 nicm 1470: void
1.182 nicm 1471: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1472: struct tty_ctx *ctx)
1.15 nicm 1473: {
1.373 nicm 1474: struct client *c;
1475: int state;
1.15 nicm 1476:
1.373 nicm 1477: if (ctx->set_client_cb == NULL)
1.15 nicm 1478: return;
1.178 nicm 1479: TAILQ_FOREACH(c, &clients, entry) {
1.373 nicm 1480: if (!tty_client_ready(c))
1.15 nicm 1481: continue;
1.373 nicm 1482: state = ctx->set_client_cb(ctx, c);
1483: if (state == -1)
1.358 nicm 1484: break;
1.373 nicm 1485: if (state == 0)
1486: continue;
1.139 nicm 1487: cmdfn(&c->tty, ctx);
1.1 nicm 1488: }
1489: }
1490:
1491: void
1.24 nicm 1492: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1493: {
1.309 nicm 1494: if (ctx->bigger ||
1.372 nicm 1495: !tty_full_width(tty, ctx) ||
1.373 nicm 1496: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.210 nicm 1497: (!tty_term_has(tty->term, TTYC_ICH) &&
1498: !tty_term_has(tty->term, TTYC_ICH1))) {
1.309 nicm 1499: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1500: return;
1501: }
1502:
1.373 nicm 1503: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1504:
1.77 nicm 1505: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1506:
1.206 nicm 1507: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1508: }
1509:
1510: void
1.24 nicm 1511: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1512: {
1.309 nicm 1513: if (ctx->bigger ||
1.372 nicm 1514: !tty_full_width(tty, ctx) ||
1.373 nicm 1515: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.26 nicm 1516: (!tty_term_has(tty->term, TTYC_DCH) &&
1517: !tty_term_has(tty->term, TTYC_DCH1))) {
1.309 nicm 1518: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1519: return;
1520: }
1521:
1.373 nicm 1522: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1523:
1.77 nicm 1524: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1525:
1.206 nicm 1526: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1527: }
1528:
1529: void
1530: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1531: {
1.309 nicm 1532: if (ctx->bigger) {
1533: tty_draw_pane(tty, ctx, ctx->ocy);
1534: return;
1535: }
1536:
1.373 nicm 1537: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.146 nicm 1538:
1539: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1540:
1.210 nicm 1541: if (tty_term_has(tty->term, TTYC_ECH) &&
1.373 nicm 1542: !tty_fake_bce(tty, &ctx->defaults, 8))
1.146 nicm 1543: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1544: else
1545: tty_repeat_space(tty, ctx->num);
1.1 nicm 1546: }
1547:
1548: void
1.24 nicm 1549: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1550: {
1.309 nicm 1551: if (ctx->bigger ||
1.372 nicm 1552: !tty_full_width(tty, ctx) ||
1.373 nicm 1553: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.77 nicm 1554: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1555: !tty_term_has(tty->term, TTYC_IL1) ||
1.373 nicm 1556: ctx->sx == 1 ||
1557: ctx->sy == 1) {
1.14 nicm 1558: tty_redraw_region(tty, ctx);
1.1 nicm 1559: return;
1560: }
1561:
1.373 nicm 1562: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1563:
1.77 nicm 1564: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1565: tty_margin_off(tty);
1.77 nicm 1566: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1567:
1.12 nicm 1568: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1569: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1570: }
1571:
1572: void
1.24 nicm 1573: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1574: {
1.309 nicm 1575: if (ctx->bigger ||
1.372 nicm 1576: !tty_full_width(tty, ctx) ||
1.373 nicm 1577: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.72 nicm 1578: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1579: !tty_term_has(tty->term, TTYC_DL1) ||
1.373 nicm 1580: ctx->sx == 1 ||
1581: ctx->sy == 1) {
1.14 nicm 1582: tty_redraw_region(tty, ctx);
1.1 nicm 1583: return;
1584: }
1585:
1.373 nicm 1586: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1587:
1.77 nicm 1588: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1589: tty_margin_off(tty);
1.77 nicm 1590: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1591:
1.12 nicm 1592: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1593: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1594: }
1595:
1596: void
1.24 nicm 1597: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1598: {
1.373 nicm 1599: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1600:
1.372 nicm 1601: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->sx, ctx->bg);
1.1 nicm 1602: }
1603:
1604: void
1.24 nicm 1605: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1606: {
1.373 nicm 1607: u_int nx = ctx->sx - ctx->ocx;
1.1 nicm 1608:
1.373 nicm 1609: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1610:
1.309 nicm 1611: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1612: }
1613:
1614: void
1.24 nicm 1615: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1616: {
1.373 nicm 1617: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1618:
1.309 nicm 1619: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1620: }
1621:
1622: void
1.24 nicm 1623: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1624: {
1.56 nicm 1625: if (ctx->ocy != ctx->orupper)
1626: return;
1627:
1.309 nicm 1628: if (ctx->bigger ||
1.372 nicm 1629: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1630: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.70 nicm 1631: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1632: (!tty_term_has(tty->term, TTYC_RI) &&
1633: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1634: ctx->sx == 1 ||
1635: ctx->sy == 1) {
1.14 nicm 1636: tty_redraw_region(tty, ctx);
1.1 nicm 1637: return;
1638: }
1639:
1.373 nicm 1640: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1641:
1.56 nicm 1642: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1643: tty_margin_pane(tty, ctx);
1.56 nicm 1644: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1645:
1.331 nicm 1646: if (tty_term_has(tty->term, TTYC_RI))
1647: tty_putcode(tty, TTYC_RI);
1648: else
1649: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1650: }
1651:
1652: void
1.24 nicm 1653: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1654: {
1.56 nicm 1655: if (ctx->ocy != ctx->orlower)
1656: return;
1657:
1.309 nicm 1658: if (ctx->bigger ||
1.372 nicm 1659: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1660: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1661: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1662: ctx->sx == 1 ||
1663: ctx->sy == 1) {
1.236 nicm 1664: tty_redraw_region(tty, ctx);
1.1 nicm 1665: return;
1666: }
1.52 nicm 1667:
1.373 nicm 1668: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1669:
1.56 nicm 1670: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1671: tty_margin_pane(tty, ctx);
1672:
1673: /*
1.301 nicm 1674: * If we want to wrap a pane while using margins, the cursor needs to
1675: * be exactly on the right of the region. If the cursor is entirely off
1676: * the edge - move it back to the right. Some terminals are funny about
1677: * this and insert extra spaces, so only use the right if margins are
1678: * enabled.
1.212 nicm 1679: */
1.301 nicm 1680: if (ctx->xoff + ctx->ocx > tty->rright) {
1681: if (!tty_use_margin(tty))
1682: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1683: else
1684: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1685: } else
1.212 nicm 1686: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1687:
1.56 nicm 1688: tty_putc(tty, '\n');
1.240 nicm 1689: }
1690:
1691: void
1692: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1693: {
1.373 nicm 1694: u_int i;
1.240 nicm 1695:
1.309 nicm 1696: if (ctx->bigger ||
1.372 nicm 1697: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1698: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1699: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1700: ctx->sx == 1 ||
1701: ctx->sy == 1) {
1.240 nicm 1702: tty_redraw_region(tty, ctx);
1703: return;
1704: }
1705:
1.373 nicm 1706: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.240 nicm 1707:
1708: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1709: tty_margin_pane(tty, ctx);
1710:
1.284 nicm 1711: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1712: if (!tty_use_margin(tty))
1713: tty_cursor(tty, 0, tty->rlower);
1714: else
1715: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1716: for (i = 0; i < ctx->num; i++)
1.240 nicm 1717: tty_putc(tty, '\n');
1.301 nicm 1718: } else {
1.353 nicm 1719: if (tty->cy == UINT_MAX)
1720: tty_cursor(tty, 0, 0);
1721: else
1722: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1723: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1724: }
1725: }
1726:
1727: void
1728: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1729: {
1.373 nicm 1730: u_int i;
1.331 nicm 1731:
1732: if (ctx->bigger ||
1.372 nicm 1733: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1734: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.331 nicm 1735: !tty_term_has(tty->term, TTYC_CSR) ||
1736: (!tty_term_has(tty->term, TTYC_RI) &&
1737: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1738: ctx->sx == 1 ||
1739: ctx->sy == 1) {
1.331 nicm 1740: tty_redraw_region(tty, ctx);
1741: return;
1742: }
1743:
1.373 nicm 1744: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.331 nicm 1745:
1746: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1747: tty_margin_pane(tty, ctx);
1748: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1749:
1750: if (tty_term_has(tty->term, TTYC_RIN))
1751: tty_putcode1(tty, TTYC_RIN, ctx->num);
1752: else {
1753: for (i = 0; i < ctx->num; i++)
1754: tty_putcode(tty, TTYC_RI);
1.301 nicm 1755: }
1.1 nicm 1756: }
1757:
1758: void
1.24 nicm 1759: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1760: {
1.373 nicm 1761: u_int px, py, nx, ny;
1.1 nicm 1762:
1.373 nicm 1763: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1764:
1.372 nicm 1765: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1766: tty_margin_off(tty);
1.39 nicm 1767:
1.309 nicm 1768: px = 0;
1.372 nicm 1769: nx = ctx->sx;
1.309 nicm 1770: py = ctx->ocy + 1;
1.372 nicm 1771: ny = ctx->sy - ctx->ocy - 1;
1.271 nicm 1772:
1.309 nicm 1773: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1774:
1.309 nicm 1775: px = ctx->ocx;
1.372 nicm 1776: nx = ctx->sx - ctx->ocx;
1.309 nicm 1777: py = ctx->ocy;
1.271 nicm 1778:
1.309 nicm 1779: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1780: }
1781:
1782: void
1.24 nicm 1783: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1784: {
1.373 nicm 1785: u_int px, py, nx, ny;
1.1 nicm 1786:
1.373 nicm 1787: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1788:
1.372 nicm 1789: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1790: tty_margin_off(tty);
1.39 nicm 1791:
1.309 nicm 1792: px = 0;
1.372 nicm 1793: nx = ctx->sx;
1.309 nicm 1794: py = 0;
1.319 nicm 1795: ny = ctx->ocy;
1.271 nicm 1796:
1.309 nicm 1797: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1798:
1.309 nicm 1799: px = 0;
1.271 nicm 1800: nx = ctx->ocx + 1;
1.309 nicm 1801: py = ctx->ocy;
1.271 nicm 1802:
1.309 nicm 1803: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1804: }
1805:
1806: void
1.24 nicm 1807: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1808: {
1.373 nicm 1809: u_int px, py, nx, ny;
1.1 nicm 1810:
1.373 nicm 1811: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1812:
1.372 nicm 1813: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1814: tty_margin_off(tty);
1.39 nicm 1815:
1.309 nicm 1816: px = 0;
1.372 nicm 1817: nx = ctx->sx;
1.309 nicm 1818: py = 0;
1.372 nicm 1819: ny = ctx->sy;
1.271 nicm 1820:
1.309 nicm 1821: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1822: }
1823:
1824: void
1.24 nicm 1825: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1826: {
1.373 nicm 1827: u_int i, j;
1.4 nicm 1828:
1.309 nicm 1829: if (ctx->bigger) {
1.373 nicm 1830: ctx->redraw_cb(ctx);
1.309 nicm 1831: return;
1832: }
1833:
1.373 nicm 1834: tty_attributes(tty, &grid_default_cell, &ctx->defaults, ctx->palette);
1.4 nicm 1835:
1.372 nicm 1836: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1837: tty_margin_off(tty);
1.4 nicm 1838:
1.372 nicm 1839: for (j = 0; j < ctx->sy; j++) {
1.41 nicm 1840: tty_cursor_pane(tty, ctx, 0, j);
1.372 nicm 1841: for (i = 0; i < ctx->sx; i++)
1.4 nicm 1842: tty_putc(tty, 'E');
1.1 nicm 1843: }
1844: }
1845:
1846: void
1.24 nicm 1847: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1848: {
1.309 nicm 1849: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1))
1850: return;
1851:
1.372 nicm 1852: if (ctx->xoff + ctx->ocx - ctx->wox > tty->sx - 1 &&
1.306 nicm 1853: ctx->ocy == ctx->orlower &&
1.372 nicm 1854: tty_full_width(tty, ctx))
1.306 nicm 1855: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1856:
1.306 nicm 1857: tty_margin_off(tty);
1.253 nicm 1858: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1859:
1.373 nicm 1860: tty_cell(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 1861: }
1862:
1863: void
1864: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1865: {
1.309 nicm 1866: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1867: return;
1868:
1869: if (ctx->bigger &&
1.372 nicm 1870: (ctx->xoff + ctx->ocx < ctx->wox ||
1871: ctx->xoff + ctx->ocx + ctx->num > ctx->wox + ctx->wsx)) {
1.309 nicm 1872: if (!ctx->wrapped ||
1.372 nicm 1873: !tty_full_width(tty, ctx) ||
1.359 nicm 1874: (tty->term->flags & TERM_NOXENL) ||
1.309 nicm 1875: ctx->xoff + ctx->ocx != 0 ||
1876: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1877: tty->cx < tty->sx ||
1878: tty->cy == tty->rlower)
1879: tty_draw_pane(tty, ctx, ctx->ocy);
1880: else
1.373 nicm 1881: ctx->redraw_cb(ctx);
1.309 nicm 1882: return;
1883: }
1884:
1.306 nicm 1885: tty_margin_off(tty);
1.253 nicm 1886: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1887:
1.373 nicm 1888: tty_attributes(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 1889: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1890: }
1891:
1892: void
1893: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1894: {
1895: char *buf;
1896: size_t off;
1897:
1898: if (!tty_term_has(tty->term, TTYC_MS))
1899: return;
1900:
1901: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1902: buf = xmalloc(off);
1903:
1904: b64_ntop(ctx->ptr, ctx->num, buf, off);
1905: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1906:
1.138 nicm 1907: free(buf);
1.100 nicm 1908: }
1909:
1910: void
1911: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1912: {
1.256 nicm 1913: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1914: tty_invalidate(tty);
1.348 nicm 1915: }
1916:
1917: void
1918: tty_cmd_syncstart(struct tty *tty, __unused const struct tty_ctx *ctx)
1919: {
1920: tty_sync_start(tty);
1.1 nicm 1921: }
1922:
1.207 nicm 1923: static void
1.373 nicm 1924: tty_cell(struct tty *tty, const struct grid_cell *gc,
1925: const struct grid_cell *defaults, int *palette)
1.1 nicm 1926: {
1.298 nicm 1927: const struct grid_cell *gcp;
1.1 nicm 1928:
1929: /* Skip last character if terminal is stupid. */
1.359 nicm 1930: if ((tty->term->flags & TERM_NOXENL) &&
1.211 nicm 1931: tty->cy == tty->sy - 1 &&
1932: tty->cx == tty->sx - 1)
1.1 nicm 1933: return;
1934:
1935: /* If this is a padding character, do nothing. */
1936: if (gc->flags & GRID_FLAG_PADDING)
1937: return;
1938:
1939: /* Set the attributes. */
1.373 nicm 1940: tty_attributes(tty, gc, defaults, palette);
1.1 nicm 1941:
1.147 nicm 1942: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.298 nicm 1943: gcp = tty_check_codeset(tty, gc);
1944: if (gcp->data.size == 1) {
1945: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 1946: return;
1.298 nicm 1947: tty_putc(tty, *gcp->data.data);
1.1 nicm 1948: return;
1949: }
1950:
1.147 nicm 1951: /* Write the data. */
1.298 nicm 1952: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 1953: }
1954:
1955: void
1956: tty_reset(struct tty *tty)
1957: {
1958: struct grid_cell *gc = &tty->cell;
1959:
1.228 nicm 1960: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 1961: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 1962: tty_putcode(tty, TTYC_RMACS);
1963: tty_putcode(tty, TTYC_SGR0);
1964: memcpy(gc, &grid_default_cell, sizeof *gc);
1965: }
1966: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1.242 nicm 1967: }
1968:
1969: static void
1970: tty_invalidate(struct tty *tty)
1971: {
1972: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1973: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1974:
1975: tty->cx = tty->cy = UINT_MAX;
1976: tty->rupper = tty->rleft = UINT_MAX;
1977: tty->rlower = tty->rright = UINT_MAX;
1978:
1979: if (tty->flags & TTY_STARTED) {
1.330 nicm 1980: if (tty_use_margin(tty))
1.365 nicm 1981: tty_putcode(tty, TTYC_ENMG);
1.242 nicm 1982: tty_putcode(tty, TTYC_SGR0);
1983:
1984: tty->mode = ALL_MODES;
1985: tty_update_mode(tty, MODE_CURSOR, NULL);
1986:
1987: tty_cursor(tty, 0, 0);
1988: tty_region_off(tty);
1989: tty_margin_off(tty);
1990: } else
1991: tty->mode = MODE_CURSOR;
1.1 nicm 1992: }
1993:
1.214 nicm 1994: /* Turn off margin. */
1995: void
1996: tty_region_off(struct tty *tty)
1997: {
1998: tty_region(tty, 0, tty->sy - 1);
1999: }
2000:
1.40 nicm 2001: /* Set region inside pane. */
1.208 nicm 2002: static void
1.196 nicm 2003: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
2004: u_int rlower)
1.1 nicm 2005: {
1.372 nicm 2006: tty_region(tty, ctx->yoff + rupper - ctx->woy,
2007: ctx->yoff + rlower - ctx->woy);
1.39 nicm 2008: }
2009:
1.40 nicm 2010: /* Set region at absolute position. */
1.214 nicm 2011: static void
1.40 nicm 2012: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2013: {
2014: if (tty->rlower == rlower && tty->rupper == rupper)
2015: return;
1.1 nicm 2016: if (!tty_term_has(tty->term, TTYC_CSR))
2017: return;
1.39 nicm 2018:
2019: tty->rupper = rupper;
2020: tty->rlower = rlower;
1.55 nicm 2021:
2022: /*
2023: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2024: * 0,0 if it is beyond the last column (they do not reset their wrap
2025: * flag so further output causes a line feed). As a workaround, do an
2026: * explicit move to 0 first.
2027: */
1.353 nicm 2028: if (tty->cx >= tty->sx) {
2029: if (tty->cy == UINT_MAX)
2030: tty_cursor(tty, 0, 0);
2031: else
2032: tty_cursor(tty, 0, tty->cy);
2033: }
1.42 nicm 2034:
1.39 nicm 2035: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2036: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2037: }
2038:
1.214 nicm 2039: /* Turn off margin. */
2040: void
2041: tty_margin_off(struct tty *tty)
2042: {
2043: tty_margin(tty, 0, tty->sx - 1);
2044: }
2045:
1.212 nicm 2046: /* Set margin inside pane. */
2047: static void
2048: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2049: {
1.372 nicm 2050: tty_margin(tty, ctx->xoff - ctx->wox,
1.373 nicm 2051: ctx->xoff + ctx->sx - 1 - ctx->wox);
1.212 nicm 2052: }
2053:
2054: /* Set margin at absolute position. */
1.214 nicm 2055: static void
1.212 nicm 2056: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2057: {
2058: if (!tty_use_margin(tty))
2059: return;
2060: if (tty->rleft == rleft && tty->rright == rright)
2061: return;
2062:
1.232 nicm 2063: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2064:
1.212 nicm 2065: tty->rleft = rleft;
2066: tty->rright = rright;
2067:
1.232 nicm 2068: if (rleft == 0 && rright == tty->sx - 1)
1.365 nicm 2069: tty_putcode(tty, TTYC_CLMG);
1.232 nicm 2070: else
1.365 nicm 2071: tty_putcode2(tty, TTYC_CMG, rleft, rright);
1.249 nicm 2072: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2073: }
2074:
2075: /*
2076: * Move the cursor, unless it would wrap itself when the next character is
2077: * printed.
2078: */
2079: static void
2080: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2081: u_int cx, u_int cy)
2082: {
1.268 nicm 2083: if (!ctx->wrapped ||
1.372 nicm 2084: !tty_full_width(tty, ctx) ||
1.359 nicm 2085: (tty->term->flags & TERM_NOXENL) ||
1.253 nicm 2086: ctx->xoff + cx != 0 ||
2087: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2088: tty->cx < tty->sx ||
2089: tty->cy == tty->rlower)
1.253 nicm 2090: tty_cursor_pane(tty, ctx, cx, cy);
2091: else
2092: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2093: }
2094:
1.42 nicm 2095: /* Move cursor inside pane. */
1.208 nicm 2096: static void
1.41 nicm 2097: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2098: {
1.372 nicm 2099: tty_cursor(tty, ctx->xoff + cx - ctx->wox, ctx->yoff + cy - ctx->woy);
1.41 nicm 2100: }
2101:
1.42 nicm 2102: /* Move cursor to absolute position. */
1.41 nicm 2103: void
2104: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2105: {
1.42 nicm 2106: struct tty_term *term = tty->term;
2107: u_int thisx, thisy;
2108: int change;
1.354 nicm 2109:
2110: if (tty->flags & TTY_BLOCK)
2111: return;
1.77 nicm 2112:
1.42 nicm 2113: if (cx > tty->sx - 1)
2114: cx = tty->sx - 1;
2115:
2116: thisx = tty->cx;
2117: thisy = tty->cy;
2118:
2119: /* No change. */
2120: if (cx == thisx && cy == thisy)
2121: return;
2122:
1.43 nicm 2123: /* Very end of the line, just use absolute movement. */
2124: if (thisx > tty->sx - 1)
2125: goto absolute;
2126:
1.42 nicm 2127: /* Move to home position (0, 0). */
2128: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2129: tty_putcode(tty, TTYC_HOME);
2130: goto out;
2131: }
2132:
2133: /* Zero on the next line. */
1.293 nicm 2134: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2135: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2136: tty_putc(tty, '\r');
1.42 nicm 2137: tty_putc(tty, '\n');
2138: goto out;
2139: }
2140:
1.45 nicm 2141: /* Moving column or row. */
1.42 nicm 2142: if (cy == thisy) {
1.45 nicm 2143: /*
2144: * Moving column only, row staying the same.
2145: */
2146:
1.42 nicm 2147: /* To left edge. */
1.294 nicm 2148: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2149: tty_putc(tty, '\r');
2150: goto out;
2151: }
2152:
2153: /* One to the left. */
2154: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2155: tty_putcode(tty, TTYC_CUB1);
2156: goto out;
2157: }
2158:
2159: /* One to the right. */
2160: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2161: tty_putcode(tty, TTYC_CUF1);
2162: goto out;
2163: }
2164:
2165: /* Calculate difference. */
2166: change = thisx - cx; /* +ve left, -ve right */
2167:
2168: /*
2169: * Use HPA if change is larger than absolute, otherwise move
2170: * the cursor with CUB/CUF.
2171: */
1.87 nicm 2172: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2173: tty_putcode1(tty, TTYC_HPA, cx);
2174: goto out;
1.333 nicm 2175: } else if (change > 0 &&
2176: tty_term_has(term, TTYC_CUB) &&
2177: !tty_use_margin(tty)) {
1.202 nicm 2178: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2179: tty_putcode(tty, TTYC_CUB1);
2180: tty_putcode(tty, TTYC_CUB1);
2181: goto out;
2182: }
1.42 nicm 2183: tty_putcode1(tty, TTYC_CUB, change);
2184: goto out;
1.333 nicm 2185: } else if (change < 0 &&
2186: tty_term_has(term, TTYC_CUF) &&
2187: !tty_use_margin(tty)) {
1.42 nicm 2188: tty_putcode1(tty, TTYC_CUF, -change);
2189: goto out;
2190: }
1.45 nicm 2191: } else if (cx == thisx) {
2192: /*
2193: * Moving row only, column staying the same.
2194: */
1.42 nicm 2195:
2196: /* One above. */
1.77 nicm 2197: if (thisy != tty->rupper &&
1.42 nicm 2198: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2199: tty_putcode(tty, TTYC_CUU1);
2200: goto out;
2201: }
2202:
2203: /* One below. */
1.49 nicm 2204: if (thisy != tty->rlower &&
1.42 nicm 2205: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2206: tty_putcode(tty, TTYC_CUD1);
2207: goto out;
2208: }
2209:
2210: /* Calculate difference. */
2211: change = thisy - cy; /* +ve up, -ve down */
2212:
2213: /*
1.77 nicm 2214: * Try to use VPA if change is larger than absolute or if this
2215: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2216: */
1.87 nicm 2217: if ((u_int) abs(change) > cy ||
1.42 nicm 2218: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2219: (change > 0 && cy - change < tty->rupper)) {
2220: if (tty_term_has(term, TTYC_VPA)) {
2221: tty_putcode1(tty, TTYC_VPA, cy);
2222: goto out;
2223: }
1.42 nicm 2224: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2225: tty_putcode1(tty, TTYC_CUU, change);
2226: goto out;
2227: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2228: tty_putcode1(tty, TTYC_CUD, -change);
2229: goto out;
2230: }
2231: }
2232:
1.43 nicm 2233: absolute:
1.42 nicm 2234: /* Absolute movement. */
2235: tty_putcode2(tty, TTYC_CUP, cy, cx);
2236:
2237: out:
2238: tty->cx = cx;
2239: tty->cy = cy;
1.1 nicm 2240: }
2241:
2242: void
1.176 nicm 2243: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.373 nicm 2244: const struct grid_cell *defaults, int *palette)
1.1 nicm 2245: {
1.63 nicm 2246: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2247: int changed;
1.61 nicm 2248:
1.373 nicm 2249: /* Copy cell and update default colours. */
2250: memcpy(&gc2, gc, sizeof gc2);
2251: if (gc2.fg == 8)
2252: gc2.fg = defaults->fg;
2253: if (gc2.bg == 8)
2254: gc2.bg = defaults->bg;
2255:
1.228 nicm 2256: /* Ignore cell if it is the same as the last one. */
1.373 nicm 2257: if (gc2.attr == tty->last_cell.attr &&
2258: gc2.fg == tty->last_cell.fg &&
2259: gc2.bg == tty->last_cell.bg &&
2260: gc2.us == tty->last_cell.us)
1.228 nicm 2261: return;
1.63 nicm 2262:
1.18 nicm 2263: /*
2264: * If no setab, try to use the reverse attribute as a best-effort for a
2265: * non-default background. This is a bit of a hack but it doesn't do
2266: * any serious harm and makes a couple of applications happier.
2267: */
2268: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2269: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2270: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2271: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2272: } else {
1.310 nicm 2273: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2274: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2275: }
2276: }
1.1 nicm 2277:
1.85 nicm 2278: /* Fix up the colours if necessary. */
1.373 nicm 2279: tty_check_fg(tty, palette, &gc2);
2280: tty_check_bg(tty, palette, &gc2);
2281: tty_check_us(tty, palette, &gc2);
1.85 nicm 2282:
1.328 nicm 2283: /*
2284: * If any bits are being cleared or the underline colour is now default,
2285: * reset everything.
2286: */
2287: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2288: tty_reset(tty);
2289:
2290: /*
2291: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2292: * may add to (NOT remove) the desired attributes.
1.64 nicm 2293: */
1.85 nicm 2294: tty_colours(tty, &gc2);
1.64 nicm 2295:
1.1 nicm 2296: /* Filter out attribute bits already set. */
1.85 nicm 2297: changed = gc2.attr & ~tc->attr;
2298: tc->attr = gc2.attr;
1.1 nicm 2299:
2300: /* Set the attributes. */
2301: if (changed & GRID_ATTR_BRIGHT)
2302: tty_putcode(tty, TTYC_BOLD);
2303: if (changed & GRID_ATTR_DIM)
2304: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2305: if (changed & GRID_ATTR_ITALICS)
2306: tty_set_italics(tty);
1.308 nicm 2307: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2308: if ((changed & GRID_ATTR_UNDERSCORE) ||
2309: !tty_term_has(tty->term, TTYC_SMULX))
2310: tty_putcode(tty, TTYC_SMUL);
2311: else if (changed & GRID_ATTR_UNDERSCORE_2)
2312: tty_putcode1(tty, TTYC_SMULX, 2);
2313: else if (changed & GRID_ATTR_UNDERSCORE_3)
2314: tty_putcode1(tty, TTYC_SMULX, 3);
2315: else if (changed & GRID_ATTR_UNDERSCORE_4)
2316: tty_putcode1(tty, TTYC_SMULX, 4);
2317: else if (changed & GRID_ATTR_UNDERSCORE_5)
2318: tty_putcode1(tty, TTYC_SMULX, 5);
2319: }
1.1 nicm 2320: if (changed & GRID_ATTR_BLINK)
2321: tty_putcode(tty, TTYC_BLINK);
2322: if (changed & GRID_ATTR_REVERSE) {
2323: if (tty_term_has(tty->term, TTYC_REV))
2324: tty_putcode(tty, TTYC_REV);
2325: else if (tty_term_has(tty->term, TTYC_SMSO))
2326: tty_putcode(tty, TTYC_SMSO);
2327: }
2328: if (changed & GRID_ATTR_HIDDEN)
2329: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2330: if (changed & GRID_ATTR_STRIKETHROUGH)
2331: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2332: if (changed & GRID_ATTR_OVERLINE)
2333: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2334: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2335: tty_putcode(tty, TTYC_SMACS);
1.373 nicm 2336:
2337: memcpy(&tty->last_cell, &gc2, sizeof tty->last_cell);
1.1 nicm 2338: }
2339:
1.207 nicm 2340: static void
1.85 nicm 2341: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2342: {
1.61 nicm 2343: struct grid_cell *tc = &tty->cell;
1.204 nicm 2344: int have_ax;
1.61 nicm 2345:
2346: /* No changes? Nothing is necessary. */
1.328 nicm 2347: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2348: return;
1.1 nicm 2349:
1.61 nicm 2350: /*
2351: * Is either the default colour? This is handled specially because the
2352: * best solution might be to reset both colours to default, in which
2353: * case if only one is default need to fall onward to set the other
2354: * colour.
2355: */
1.310 nicm 2356: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2357: /*
2358: * If don't have AX but do have op, send sgr0 (op can't
2359: * actually be used because it is sometimes the same as sgr0
2360: * and sometimes isn't). This resets both colours to default.
2361: *
2362: * Otherwise, try to set the default colour only as needed.
2363: */
1.174 nicm 2364: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2365: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2366: tty_reset(tty);
2367: else {
1.310 nicm 2368: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2369: if (have_ax)
2370: tty_puts(tty, "\033[39m");
1.204 nicm 2371: else if (tc->fg != 7)
1.61 nicm 2372: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2373: tc->fg = gc->fg;
1.61 nicm 2374: }
1.310 nicm 2375: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2376: if (have_ax)
1.61 nicm 2377: tty_puts(tty, "\033[49m");
1.204 nicm 2378: else if (tc->bg != 0)
1.61 nicm 2379: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2380: tc->bg = gc->bg;
1.61 nicm 2381: }
2382: }
2383: }
1.1 nicm 2384:
1.61 nicm 2385: /* Set the foreground colour. */
1.310 nicm 2386: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2387: tty_colours_fg(tty, gc);
1.1 nicm 2388:
1.61 nicm 2389: /*
2390: * Set the background colour. This must come after the foreground as
2391: * tty_colour_fg() can call tty_reset().
2392: */
1.310 nicm 2393: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2394: tty_colours_bg(tty, gc);
1.328 nicm 2395:
2396: /* Set the underscore color. */
2397: if (gc->us != tc->us)
2398: tty_colours_us(tty, gc);
1.1 nicm 2399: }
2400:
1.219 nicm 2401: static void
1.373 nicm 2402: tty_check_fg(struct tty *tty, int *palette, struct grid_cell *gc)
1.85 nicm 2403: {
1.204 nicm 2404: u_char r, g, b;
2405: u_int colours;
1.223 nicm 2406: int c;
1.85 nicm 2407:
1.288 nicm 2408: /*
2409: * Perform substitution if this pane has a palette. If the bright
2410: * attribute is set, use the bright entry in the palette by changing to
2411: * the aixterm colour.
2412: */
2413: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2414: c = gc->fg;
1.289 nicm 2415: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2416: c += 90;
1.373 nicm 2417: if ((c = tty_get_palette(palette, c)) != -1)
1.288 nicm 2418: gc->fg = c;
2419: }
1.219 nicm 2420:
1.199 nicm 2421: /* Is this a 24-bit colour? */
1.204 nicm 2422: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2423: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2424: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2425: return;
1.341 nicm 2426: colour_split_rgb(gc->fg, &r, &g, &b);
2427: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2428: }
1.224 nicm 2429:
2430: /* How many colours does this terminal have? */
1.359 nicm 2431: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2432: colours = 256;
2433: else
2434: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2435:
1.85 nicm 2436: /* Is this a 256-colour colour? */
1.204 nicm 2437: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2438: /* And not a 256 colour mode? */
1.224 nicm 2439: if (colours != 256) {
1.85 nicm 2440: gc->fg = colour_256to16(gc->fg);
2441: if (gc->fg & 8) {
2442: gc->fg &= 7;
1.175 nicm 2443: if (colours >= 16)
2444: gc->fg += 90;
1.332 nicm 2445: }
1.85 nicm 2446: }
2447: return;
2448: }
2449:
2450: /* Is this an aixterm colour? */
2451: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2452: gc->fg -= 90;
2453: gc->attr |= GRID_ATTR_BRIGHT;
2454: }
2455: }
2456:
1.219 nicm 2457: static void
1.373 nicm 2458: tty_check_bg(struct tty *tty, int *palette, struct grid_cell *gc)
1.85 nicm 2459: {
1.204 nicm 2460: u_char r, g, b;
2461: u_int colours;
1.223 nicm 2462: int c;
1.85 nicm 2463:
1.288 nicm 2464: /* Perform substitution if this pane has a palette. */
2465: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.373 nicm 2466: if ((c = tty_get_palette(palette, gc->bg)) != -1)
1.288 nicm 2467: gc->bg = c;
2468: }
1.219 nicm 2469:
1.199 nicm 2470: /* Is this a 24-bit colour? */
1.204 nicm 2471: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2472: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2473: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2474: return;
1.341 nicm 2475: colour_split_rgb(gc->bg, &r, &g, &b);
2476: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2477: }
1.224 nicm 2478:
2479: /* How many colours does this terminal have? */
1.359 nicm 2480: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2481: colours = 256;
2482: else
2483: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2484:
1.85 nicm 2485: /* Is this a 256-colour colour? */
1.204 nicm 2486: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2487: /*
2488: * And not a 256 colour mode? Translate to 16-colour
2489: * palette. Bold background doesn't exist portably, so just
2490: * discard the bold bit if set.
2491: */
1.224 nicm 2492: if (colours != 256) {
1.85 nicm 2493: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2494: if (gc->bg & 8) {
1.85 nicm 2495: gc->bg &= 7;
1.175 nicm 2496: if (colours >= 16)
1.322 nicm 2497: gc->bg += 90;
1.175 nicm 2498: }
1.85 nicm 2499: }
2500: return;
2501: }
2502:
2503: /* Is this an aixterm colour? */
1.175 nicm 2504: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2505: gc->bg -= 90;
2506: }
2507:
1.207 nicm 2508: static void
1.373 nicm 2509: tty_check_us(__unused struct tty *tty, int *palette, struct grid_cell *gc)
1.328 nicm 2510: {
2511: int c;
2512:
2513: /* Perform substitution if this pane has a palette. */
2514: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.373 nicm 2515: if ((c = tty_get_palette(palette, gc->us)) != -1)
1.328 nicm 2516: gc->us = c;
2517: }
2518:
2519: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2520: if (gc->us & COLOUR_FLAG_256)
2521: gc->us = colour_256toRGB (gc->us);
2522: }
2523:
2524: static void
1.85 nicm 2525: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2526: {
1.61 nicm 2527: struct grid_cell *tc = &tty->cell;
1.79 nicm 2528: char s[32];
1.1 nicm 2529:
1.204 nicm 2530: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2531: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2532: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 2533: goto save_fg;
1.199 nicm 2534: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2535: return;
1.1 nicm 2536: }
2537:
1.79 nicm 2538: /* Is this an aixterm bright colour? */
1.204 nicm 2539: if (gc->fg >= 90 && gc->fg <= 97) {
1.359 nicm 2540: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2541: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2542: tty_puts(tty, s);
2543: } else
2544: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.85 nicm 2545: goto save_fg;
1.79 nicm 2546: }
2547:
1.61 nicm 2548: /* Otherwise set the foreground colour. */
1.204 nicm 2549: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2550:
1.77 nicm 2551: save_fg:
1.61 nicm 2552: /* Save the new values in the terminal current cell. */
1.204 nicm 2553: tc->fg = gc->fg;
1.1 nicm 2554: }
2555:
1.207 nicm 2556: static void
1.73 nicm 2557: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2558: {
1.61 nicm 2559: struct grid_cell *tc = &tty->cell;
1.79 nicm 2560: char s[32];
1.1 nicm 2561:
1.204 nicm 2562: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2563: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2564: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 2565: goto save_bg;
1.199 nicm 2566: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2567: return;
1.79 nicm 2568: }
2569:
2570: /* Is this an aixterm bright colour? */
1.204 nicm 2571: if (gc->bg >= 90 && gc->bg <= 97) {
1.359 nicm 2572: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2573: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2574: tty_puts(tty, s);
2575: } else
2576: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.175 nicm 2577: goto save_bg;
1.1 nicm 2578: }
2579:
1.61 nicm 2580: /* Otherwise set the background colour. */
1.204 nicm 2581: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2582:
2583: save_bg:
2584: /* Save the new values in the terminal current cell. */
1.204 nicm 2585: tc->bg = gc->bg;
1.328 nicm 2586: }
2587:
2588: static void
2589: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2590: {
2591: struct grid_cell *tc = &tty->cell;
2592: u_int c;
2593: u_char r, g, b;
2594:
2595: /* Must be an RGB colour - this should never happen. */
2596: if (~gc->us & COLOUR_FLAG_RGB)
2597: return;
2598:
2599: /*
2600: * Setulc follows the ncurses(3) one argument "direct colour"
2601: * capability format. Calculate the colour value.
2602: */
2603: colour_split_rgb(gc->us, &r, &g, &b);
2604: c = (65536 * r) + (256 * g) + b;
2605:
2606: /* Write the colour. */
2607: tty_putcode1(tty, TTYC_SETULC, c);
2608:
2609: /* Save the new values in the terminal current cell. */
2610: tc->us = gc->us;
1.61 nicm 2611: }
2612:
1.207 nicm 2613: static int
1.204 nicm 2614: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2615: {
1.204 nicm 2616: u_char r, g, b;
1.61 nicm 2617:
1.204 nicm 2618: if (colour & COLOUR_FLAG_256) {
1.359 nicm 2619: if (*type == '3' && tty_term_has(tty->term, TTYC_SETAF))
2620: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2621: else if (tty_term_has(tty->term, TTYC_SETAB))
2622: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2623: return (0);
1.204 nicm 2624: }
2625:
2626: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2627: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.359 nicm 2628: if (*type == '3' && tty_term_has(tty->term, TTYC_SETRGBF))
1.286 nicm 2629: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
1.359 nicm 2630: else if (tty_term_has(tty->term, TTYC_SETRGBB))
1.286 nicm 2631: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
1.165 nicm 2632: return (0);
2633: }
1.61 nicm 2634:
1.165 nicm 2635: return (-1);
1.176 nicm 2636: }
2637:
1.207 nicm 2638: static void
1.371 nicm 2639: tty_window_default_style(struct grid_cell *gc, struct window_pane *wp)
2640: {
2641: memcpy(gc, &grid_default_cell, sizeof *gc);
2642: gc->fg = wp->fg;
2643: gc->bg = wp->bg;
2644: }
2645:
1.373 nicm 2646: void
1.317 nicm 2647: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2648: {
1.326 nicm 2649: struct options *oo = wp->options;
1.373 nicm 2650:
2651: memcpy(gc, &grid_default_cell, sizeof *gc);
1.326 nicm 2652:
2653: if (wp->flags & PANE_STYLECHANGED) {
2654: wp->flags &= ~PANE_STYLECHANGED;
1.371 nicm 2655:
2656: tty_window_default_style(&wp->cached_active_gc, wp);
2657: style_add(&wp->cached_active_gc, oo, "window-active-style",
2658: NULL);
2659: tty_window_default_style(&wp->cached_gc, wp);
2660: style_add(&wp->cached_gc, oo, "window-style", NULL);
1.203 nicm 2661: }
1.176 nicm 2662:
1.204 nicm 2663: if (gc->fg == 8) {
1.370 nicm 2664: if (wp == wp->window->active && wp->cached_active_gc.fg != 8)
2665: gc->fg = wp->cached_active_gc.fg;
1.204 nicm 2666: else
1.370 nicm 2667: gc->fg = wp->cached_gc.fg;
1.176 nicm 2668: }
2669:
1.204 nicm 2670: if (gc->bg == 8) {
1.370 nicm 2671: if (wp == wp->window->active && wp->cached_active_gc.bg != 8)
2672: gc->bg = wp->cached_active_gc.bg;
1.204 nicm 2673: else
1.370 nicm 2674: gc->bg = wp->cached_gc.bg;
1.176 nicm 2675: }
1.210 nicm 2676: }
2677:
2678: static void
1.373 nicm 2679: tty_default_attributes(struct tty *tty, const struct grid_cell *defaults,
2680: int *palette, u_int bg)
1.210 nicm 2681: {
1.373 nicm 2682: struct grid_cell gc;
1.210 nicm 2683:
2684: memcpy(&gc, &grid_default_cell, sizeof gc);
2685: gc.bg = bg;
1.373 nicm 2686: tty_attributes(tty, &gc, defaults, palette);
1.1 nicm 2687: }