Annotation of src/usr.bin/tmux/tty.c, Revision 1.383
1.383 ! nicm 1: /* $OpenBSD: tty.c,v 1.382 2020/06/05 09:32:15 nicm Exp $ */
1.1 nicm 2:
3: /*
1.198 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/ioctl.h>
21:
1.106 nicm 22: #include <netinet/in.h>
23:
1.212 nicm 24: #include <curses.h>
1.1 nicm 25: #include <errno.h>
26: #include <fcntl.h>
1.106 nicm 27: #include <resolv.h>
1.42 nicm 28: #include <stdlib.h>
1.1 nicm 29: #include <string.h>
30: #include <termios.h>
31: #include <unistd.h>
32:
33: #include "tmux.h"
34:
1.207 nicm 35: static int tty_log_fd = -1;
1.192 nicm 36:
1.373 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);
1.373 nicm 68: static void tty_default_attributes(struct tty *, const struct grid_cell *,
69: int *, u_int);
1.1 nicm 70:
1.212 nicm 71: #define tty_use_margin(tty) \
1.359 nicm 72: (tty->term->flags & TERM_DECSLRM)
1.372 nicm 73: #define tty_full_width(tty, ctx) \
74: ((ctx)->xoff == 0 && (ctx)->sx >= (tty)->sx)
1.132 nicm 75:
1.266 nicm 76: #define TTY_BLOCK_INTERVAL (100000 /* 100 milliseconds */)
77: #define TTY_BLOCK_START(tty) (1 + ((tty)->sx * (tty)->sy) * 8)
78: #define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
79:
1.192 nicm 80: void
81: tty_create_log(void)
82: {
83: char name[64];
84:
85: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
86:
87: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
88: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
89: fatal("fcntl failed");
90: }
91:
1.185 nicm 92: int
1.380 nicm 93: tty_init(struct tty *tty, struct client *c)
1.1 nicm 94: {
1.380 nicm 95: if (!isatty(c->fd))
1.185 nicm 96: return (-1);
97:
1.30 nicm 98: memset(tty, 0, sizeof *tty);
1.136 nicm 99: tty->client = c;
1.30 nicm 100:
1.108 nicm 101: tty->cstyle = 0;
1.107 nicm 102: tty->ccolour = xstrdup("");
1.30 nicm 103:
1.380 nicm 104: if (tcgetattr(c->fd, &tty->tio) != 0)
105: return (-1);
1.185 nicm 106: return (0);
1.31 nicm 107: }
108:
1.287 nicm 109: void
1.31 nicm 110: tty_resize(struct tty *tty)
111: {
1.258 nicm 112: struct client *c = tty->client;
113: struct winsize ws;
1.334 nicm 114: u_int sx, sy, xpixel, ypixel;
1.31 nicm 115:
1.380 nicm 116: if (ioctl(c->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 117: sx = ws.ws_col;
1.334 nicm 118: if (sx == 0) {
1.88 nicm 119: sx = 80;
1.334 nicm 120: xpixel = 0;
121: } else
122: xpixel = ws.ws_xpixel / sx;
1.88 nicm 123: sy = ws.ws_row;
1.334 nicm 124: if (sy == 0) {
1.88 nicm 125: sy = 24;
1.334 nicm 126: ypixel = 0;
127: } else
128: ypixel = ws.ws_ypixel / sy;
1.88 nicm 129: } else {
130: sx = 80;
131: sy = 24;
1.334 nicm 132: xpixel = 0;
133: ypixel = 0;
1.31 nicm 134: }
1.334 nicm 135: log_debug("%s: %s now %ux%u (%ux%u)", __func__, c->name, sx, sy,
136: xpixel, ypixel);
137: tty_set_size(tty, sx, sy, xpixel, ypixel);
1.242 nicm 138: tty_invalidate(tty);
1.114 nicm 139: }
140:
1.287 nicm 141: void
1.334 nicm 142: tty_set_size(struct tty *tty, u_int sx, u_int sy, u_int xpixel, u_int ypixel)
1.212 nicm 143: {
1.114 nicm 144: tty->sx = sx;
145: tty->sy = sy;
1.334 nicm 146: tty->xpixel = xpixel;
147: tty->ypixel = ypixel;
1.1 nicm 148: }
149:
1.244 nicm 150: static void
151: tty_read_callback(__unused int fd, __unused short events, void *data)
152: {
153: struct tty *tty = data;
1.258 nicm 154: struct client *c = tty->client;
1.375 nicm 155: const char *name = c->name;
1.244 nicm 156: size_t size = EVBUFFER_LENGTH(tty->in);
157: int nread;
158:
1.380 nicm 159: nread = evbuffer_read(tty->in, c->fd, -1);
1.295 nicm 160: if (nread == 0 || nread == -1) {
1.375 nicm 161: if (nread == 0)
162: log_debug("%s: read closed", name);
163: else
164: log_debug("%s: read error: %s", name, strerror(errno));
1.290 nicm 165: event_del(&tty->event_in);
1.295 nicm 166: server_client_lost(tty->client);
1.244 nicm 167: return;
1.290 nicm 168: }
1.375 nicm 169: log_debug("%s: read %d bytes (already %zu)", name, nread, size);
1.244 nicm 170:
171: while (tty_keys_next(tty))
172: ;
173: }
174:
175: static void
1.266 nicm 176: tty_timer_callback(__unused int fd, __unused short events, void *data)
177: {
178: struct tty *tty = data;
179: struct client *c = tty->client;
180: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
181:
182: log_debug("%s: %zu discarded", c->name, tty->discarded);
183:
1.305 nicm 184: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.266 nicm 185: c->discarded += tty->discarded;
186:
187: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
188: tty->flags &= ~TTY_BLOCK;
189: tty_invalidate(tty);
190: return;
191: }
192: tty->discarded = 0;
193: evtimer_add(&tty->timer, &tv);
194: }
195:
196: static int
197: tty_block_maybe(struct tty *tty)
198: {
199: struct client *c = tty->client;
200: size_t size = EVBUFFER_LENGTH(tty->out);
201: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
202:
203: if (size < TTY_BLOCK_START(tty))
204: return (0);
205:
206: if (tty->flags & TTY_BLOCK)
207: return (1);
208: tty->flags |= TTY_BLOCK;
209:
210: log_debug("%s: can't keep up, %zu discarded", c->name, size);
211:
212: evbuffer_drain(tty->out, size);
213: c->discarded += size;
214:
215: tty->discarded = 0;
216: evtimer_add(&tty->timer, &tv);
217: return (1);
218: }
219:
220: static void
1.244 nicm 221: tty_write_callback(__unused int fd, __unused short events, void *data)
222: {
1.246 nicm 223: struct tty *tty = data;
1.258 nicm 224: struct client *c = tty->client;
1.246 nicm 225: size_t size = EVBUFFER_LENGTH(tty->out);
226: int nwrite;
1.244 nicm 227:
1.380 nicm 228: nwrite = evbuffer_write(tty->out, c->fd);
1.244 nicm 229: if (nwrite == -1)
230: return;
1.258 nicm 231: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 232:
1.270 nicm 233: if (c->redraw > 0) {
234: if ((size_t)nwrite >= c->redraw)
235: c->redraw = 0;
236: else
237: c->redraw -= nwrite;
238: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
239: c->redraw);
240: } else if (tty_block_maybe(tty))
1.266 nicm 241: return;
242:
1.247 nicm 243: if (EVBUFFER_LENGTH(tty->out) != 0)
244: event_add(&tty->event_out, NULL);
1.244 nicm 245: }
246:
1.1 nicm 247: int
1.166 nicm 248: tty_open(struct tty *tty, char **cause)
1.1 nicm 249: {
1.359 nicm 250: struct client *c = tty->client;
251:
252: tty->term = tty_term_create(tty, c->term_name, &c->term_features,
1.380 nicm 253: c->fd, cause);
1.21 nicm 254: if (tty->term == NULL) {
255: tty_close(tty);
256: return (-1);
257: }
258: tty->flags |= TTY_OPENED;
1.1 nicm 259:
1.266 nicm 260: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 261:
1.380 nicm 262: event_set(&tty->event_in, c->fd, EV_PERSIST|EV_READ,
1.244 nicm 263: tty_read_callback, tty);
264: tty->in = evbuffer_new();
1.311 nicm 265: if (tty->in == NULL)
266: fatal("out of memory");
1.1 nicm 267:
1.380 nicm 268: event_set(&tty->event_out, c->fd, EV_WRITE, tty_write_callback, tty);
1.244 nicm 269: tty->out = evbuffer_new();
1.311 nicm 270: if (tty->out == NULL)
271: fatal("out of memory");
1.1 nicm 272:
1.266 nicm 273: evtimer_set(&tty->timer, tty_timer_callback, tty);
274:
1.1 nicm 275: tty_start_tty(tty);
276:
1.148 nicm 277: tty_keys_build(tty);
1.1 nicm 278:
279: return (0);
280: }
281:
1.340 nicm 282: static void
283: tty_start_timer_callback(__unused int fd, __unused short events, void *data)
284: {
285: struct tty *tty = data;
286: struct client *c = tty->client;
287:
288: log_debug("%s: start timer fired", c->name);
1.378 nicm 289: if ((tty->flags & (TTY_HAVEDA|TTY_HAVEXDA)) == 0)
290: tty_update_features(tty);
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:
1.380 nicm 301: setblocking(c->fd, 0);
302: event_add(&tty->event_in, NULL);
303:
304: memcpy(&tio, &tty->tio, sizeof tio);
305: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
306: tio.c_iflag |= IGNBRK;
307: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
308: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|ECHOPRT|
309: ECHOKE|ISIG);
310: tio.c_cc[VMIN] = 1;
311: tio.c_cc[VTIME] = 0;
312: if (tcsetattr(c->fd, TCSANOW, &tio) == 0)
313: tcflush(c->fd, TCIOFLUSH);
1.1 nicm 314:
1.10 nicm 315: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 316:
1.252 nicm 317: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 318: tty_putcode(tty, TTYC_CLEAR);
319:
320: if (tty_acs_needed(tty)) {
321: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 322: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 323: } else
324: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 325:
326: tty_putcode(tty, TTYC_CNORM);
1.343 nicm 327: if (tty_term_has(tty->term, TTYC_KMOUS)) {
328: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1003l");
329: tty_puts(tty, "\033[?1006l\033[?1005l");
330: }
1.121 nicm 331:
1.340 nicm 332: evtimer_set(&tty->start_timer, tty_start_timer_callback, tty);
333: evtimer_add(&tty->start_timer, &tv);
334:
1.20 nicm 335: tty->flags |= TTY_STARTED;
1.242 nicm 336: tty_invalidate(tty);
1.107 nicm 337:
1.336 nicm 338: if (*tty->ccolour != '\0')
339: tty_force_cursor_colour(tty, "");
1.177 nicm 340:
341: tty->mouse_drag_flag = 0;
342: tty->mouse_drag_update = NULL;
343: tty->mouse_drag_release = NULL;
1.347 nicm 344: }
345:
346: void
347: tty_send_requests(struct tty *tty)
348: {
349: if (~tty->flags & TTY_STARTED)
350: return;
351:
1.369 nicm 352: if (tty->term->flags & TERM_VT100LIKE) {
1.347 nicm 353: if (~tty->flags & TTY_HAVEDA)
1.351 nicm 354: tty_puts(tty, "\033[>c");
1.364 nicm 355: if (~tty->flags & TTY_HAVEXDA)
356: tty_puts(tty, "\033[>q");
1.347 nicm 357: } else
1.364 nicm 358: tty->flags |= (TTY_HAVEDA|TTY_HAVEXDA);
1.128 nicm 359: }
360:
361: void
1.1 nicm 362: tty_stop_tty(struct tty *tty)
363: {
1.380 nicm 364: struct client *c = tty->client;
365: struct winsize ws;
1.1 nicm 366:
1.20 nicm 367: if (!(tty->flags & TTY_STARTED))
368: return;
369: tty->flags &= ~TTY_STARTED;
1.340 nicm 370:
371: evtimer_del(&tty->start_timer);
1.20 nicm 372:
1.266 nicm 373: event_del(&tty->timer);
374: tty->flags &= ~TTY_BLOCK;
375:
1.244 nicm 376: event_del(&tty->event_in);
377: event_del(&tty->event_out);
1.66 nicm 378:
1.1 nicm 379: /*
380: * Be flexible about error handling and try not kill the server just
381: * because the fd is invalid. Things like ssh -t can easily leave us
382: * with a dead tty.
383: */
1.380 nicm 384: if (ioctl(c->fd, TIOCGWINSZ, &ws) == -1)
1.1 nicm 385: return;
1.380 nicm 386: if (tcsetattr(c->fd, TCSANOW, &tty->tio) == -1)
1.1 nicm 387: return;
388:
389: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 390: if (tty_acs_needed(tty))
1.90 nicm 391: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 392: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
393: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
394: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 395: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
396: if (tty_term_has(tty->term, TTYC_SE))
397: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 398: else
1.160 nicm 399: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 400: }
1.173 nicm 401: if (tty->mode & MODE_BRACKETPASTE)
1.366 nicm 402: tty_raw(tty, tty_term_string(tty->term, TTYC_DSBP));
1.336 nicm 403: if (*tty->ccolour != '\0')
404: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 405:
406: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
1.343 nicm 407: if (tty_term_has(tty->term, TTYC_KMOUS)) {
408: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1003l");
409: tty_raw(tty, "\033[?1006l\033[?1005l");
410: }
1.151 nicm 411:
1.369 nicm 412: if (tty->term->flags & TERM_VT100LIKE)
1.352 nicm 413: tty_raw(tty, "\033[?7727l");
1.378 nicm 414: tty_raw(tty, tty_term_string(tty->term, TTYC_DSFCS));
415: tty_raw(tty, tty_term_string(tty->term, TTYC_DSEKS));
1.10 nicm 416:
1.212 nicm 417: if (tty_use_margin(tty))
1.365 nicm 418: tty_raw(tty, tty_term_string(tty->term, TTYC_DSMG));
1.10 nicm 419: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 420:
1.380 nicm 421: setblocking(c->fd, 1);
1.1 nicm 422: }
423:
424: void
1.20 nicm 425: tty_close(struct tty *tty)
1.1 nicm 426: {
1.123 nicm 427: if (event_initialized(&tty->key_timer))
428: evtimer_del(&tty->key_timer);
1.20 nicm 429: tty_stop_tty(tty);
1.1 nicm 430:
1.21 nicm 431: if (tty->flags & TTY_OPENED) {
1.244 nicm 432: evbuffer_free(tty->in);
433: event_del(&tty->event_in);
434: evbuffer_free(tty->out);
435: event_del(&tty->event_out);
1.66 nicm 436:
1.21 nicm 437: tty_term_free(tty->term);
438: tty_keys_free(tty);
439:
440: tty->flags &= ~TTY_OPENED;
441: }
1.1 nicm 442: }
443:
444: void
1.20 nicm 445: tty_free(struct tty *tty)
1.1 nicm 446: {
1.20 nicm 447: tty_close(tty);
1.138 nicm 448: free(tty->ccolour);
1.1 nicm 449: }
450:
451: void
1.359 nicm 452: tty_update_features(struct tty *tty)
1.212 nicm 453: {
1.359 nicm 454: struct client *c = tty->client;
455:
1.362 nicm 456: if (tty_apply_features(tty->term, c->term_features))
457: tty_term_apply_overrides(tty->term);
1.212 nicm 458:
459: if (tty_use_margin(tty))
1.365 nicm 460: tty_putcode(tty, TTYC_ENMG);
1.378 nicm 461: if (options_get_number(global_options, "extended-keys"))
462: tty_puts(tty, tty_term_string(tty->term, TTYC_ENEKS));
463: if (options_get_number(global_options, "focus-events"))
1.379 nicm 464: tty_puts(tty, tty_term_string(tty->term, TTYC_ENFCS));
1.378 nicm 465: if (tty->term->flags & TERM_VT100LIKE)
466: tty_puts(tty, "\033[?7727h");
1.212 nicm 467: }
468:
469: void
1.1 nicm 470: tty_raw(struct tty *tty, const char *s)
471: {
1.380 nicm 472: struct client *c = tty->client;
473: ssize_t n, slen;
474: u_int i;
1.150 nicm 475:
476: slen = strlen(s);
477: for (i = 0; i < 5; i++) {
1.380 nicm 478: n = write(c->fd, s, slen);
1.150 nicm 479: if (n >= 0) {
480: s += n;
481: slen -= n;
482: if (slen == 0)
483: break;
484: } else if (n == -1 && errno != EAGAIN)
485: break;
486: usleep(100);
487: }
1.1 nicm 488: }
489:
490: void
491: tty_putcode(struct tty *tty, enum tty_code_code code)
492: {
493: tty_puts(tty, tty_term_string(tty->term, code));
494: }
495:
496: void
497: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
498: {
499: if (a < 0)
500: return;
501: tty_puts(tty, tty_term_string1(tty->term, code, a));
502: }
503:
504: void
505: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
506: {
507: if (a < 0 || b < 0)
508: return;
509: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
510: }
511:
512: void
1.286 nicm 513: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
514: {
515: if (a < 0 || b < 0 || c < 0)
516: return;
517: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
518: }
519:
520: void
1.107 nicm 521: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
522: {
523: if (a != NULL)
524: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
525: }
526:
527: void
1.167 nicm 528: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
529: const void *b)
1.106 nicm 530: {
531: if (a != NULL && b != NULL)
532: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
533: }
534:
1.243 nicm 535: static void
536: tty_add(struct tty *tty, const char *buf, size_t len)
537: {
1.258 nicm 538: struct client *c = tty->client;
539:
1.266 nicm 540: if (tty->flags & TTY_BLOCK) {
541: tty->discarded += len;
542: return;
543: }
544:
1.244 nicm 545: evbuffer_add(tty->out, buf, len);
1.270 nicm 546: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 547: c->written += len;
1.243 nicm 548:
549: if (tty_log_fd != -1)
550: write(tty_log_fd, buf, len);
1.244 nicm 551: if (tty->flags & TTY_STARTED)
552: event_add(&tty->event_out, NULL);
1.243 nicm 553: }
554:
1.106 nicm 555: void
1.1 nicm 556: tty_puts(struct tty *tty, const char *s)
557: {
1.243 nicm 558: if (*s != '\0')
559: tty_add(tty, s, strlen(s));
1.1 nicm 560: }
561:
562: void
563: tty_putc(struct tty *tty, u_char ch)
564: {
1.90 nicm 565: const char *acs;
1.1 nicm 566:
1.382 nicm 567: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 568: ch >= 0x20 && ch != 0x7f &&
569: tty->cy == tty->sy - 1 &&
570: tty->cx + 1 >= tty->sx)
571: return;
572:
1.90 nicm 573: if (tty->cell.attr & GRID_ATTR_CHARSET) {
574: acs = tty_acs_get(tty, ch);
1.243 nicm 575: if (acs != NULL)
576: tty_add(tty, acs, strlen(acs));
577: else
578: tty_add(tty, &ch, 1);
579: } else
580: tty_add(tty, &ch, 1);
1.1 nicm 581:
582: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 583: if (tty->cx >= tty->sx) {
1.46 nicm 584: tty->cx = 1;
585: if (tty->cy != tty->rlower)
586: tty->cy++;
1.211 nicm 587:
588: /*
1.382 nicm 589: * On !am terminals, force the cursor position to where
590: * we think it should be after a line wrap - this means
591: * it works on sensible terminals as well.
1.211 nicm 592: */
1.382 nicm 593: if (tty->term->flags & TERM_NOAM)
1.211 nicm 594: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 595: } else
596: tty->cx++;
597: }
598: }
599:
600: void
1.147 nicm 601: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 602: {
1.382 nicm 603: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 604: tty->cy == tty->sy - 1 &&
605: tty->cx + len >= tty->sx)
606: len = tty->sx - tty->cx - 1;
607:
1.243 nicm 608: tty_add(tty, buf, len);
1.268 nicm 609: if (tty->cx + width > tty->sx) {
610: tty->cx = (tty->cx + width) - tty->sx;
611: if (tty->cx <= tty->sx)
612: tty->cy++;
613: else
614: tty->cx = tty->cy = UINT_MAX;
615: } else
1.254 nicm 616: tty->cx += width;
1.5 nicm 617: }
618:
1.207 nicm 619: static void
1.180 nicm 620: tty_set_italics(struct tty *tty)
621: {
622: const char *s;
623:
624: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 625: s = options_get_string(global_options, "default-terminal");
1.180 nicm 626: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
627: tty_putcode(tty, TTYC_SITM);
628: return;
629: }
630: }
631: tty_putcode(tty, TTYC_SMSO);
632: }
633:
634: void
1.1 nicm 635: tty_set_title(struct tty *tty, const char *title)
636: {
1.105 nicm 637: if (!tty_term_has(tty->term, TTYC_TSL) ||
638: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 639: return;
640:
1.105 nicm 641: tty_putcode(tty, TTYC_TSL);
1.1 nicm 642: tty_puts(tty, title);
1.105 nicm 643: tty_putcode(tty, TTYC_FSL);
1.1 nicm 644: }
645:
1.208 nicm 646: static void
1.107 nicm 647: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
648: {
649: if (*ccolour == '\0')
650: tty_putcode(tty, TTYC_CR);
651: else
1.160 nicm 652: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 653: free(tty->ccolour);
1.107 nicm 654: tty->ccolour = xstrdup(ccolour);
655: }
656:
657: void
658: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 659: {
1.344 nicm 660: struct client *c = tty->client;
661: int changed;
1.1 nicm 662:
1.197 nicm 663: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 664: tty_force_cursor_colour(tty, s->ccolour);
665:
1.1 nicm 666: if (tty->flags & TTY_NOCURSOR)
667: mode &= ~MODE_CURSOR;
668:
669: changed = mode ^ tty->mode;
1.368 nicm 670: if (changed != 0)
671: log_debug("%s: update mode %x to %x", c->name, tty->mode, mode);
1.344 nicm 672:
1.183 nicm 673: if (changed & MODE_BLINKING) {
674: if (tty_term_has(tty->term, TTYC_CVVIS))
675: tty_putcode(tty, TTYC_CVVIS);
676: else
677: tty_putcode(tty, TTYC_CNORM);
678: changed |= MODE_CURSOR;
679: }
680: if (changed & MODE_CURSOR) {
681: if (mode & MODE_CURSOR)
682: tty_putcode(tty, TTYC_CNORM);
683: else
1.1 nicm 684: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 685: }
1.181 nicm 686: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 687: if (tty_term_has(tty->term, TTYC_SS)) {
1.376 nicm 688: if (s->cstyle == 0 && tty_term_has(tty->term, TTYC_SE))
1.160 nicm 689: tty_putcode(tty, TTYC_SE);
1.108 nicm 690: else
1.160 nicm 691: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 692: }
693: tty->cstyle = s->cstyle;
1.1 nicm 694: }
1.344 nicm 695: if ((changed & ALL_MOUSE_MODES) &&
696: tty_term_has(tty->term, TTYC_KMOUS)) {
697: if ((mode & ALL_MOUSE_MODES) == 0)
698: tty_puts(tty, "\033[?1006l");
699: if ((changed & MODE_MOUSE_STANDARD) &&
700: (~mode & MODE_MOUSE_STANDARD))
701: tty_puts(tty, "\033[?1000l");
702: if ((changed & MODE_MOUSE_BUTTON) &&
703: (~mode & MODE_MOUSE_BUTTON))
704: tty_puts(tty, "\033[?1002l");
705: if ((changed & MODE_MOUSE_ALL) &&
706: (~mode & MODE_MOUSE_ALL))
707: tty_puts(tty, "\033[?1003l");
708:
709: if (mode & ALL_MOUSE_MODES)
1.153 nicm 710: tty_puts(tty, "\033[?1006h");
1.344 nicm 711: if ((changed & MODE_MOUSE_STANDARD) &&
712: (mode & MODE_MOUSE_STANDARD))
713: tty_puts(tty, "\033[?1000h");
714: if ((changed & MODE_MOUSE_BUTTON) &&
715: (mode & MODE_MOUSE_BUTTON))
716: tty_puts(tty, "\033[?1002h");
717: if ((changed & MODE_MOUSE_ALL) &&
718: (mode & MODE_MOUSE_ALL))
719: tty_puts(tty, "\033[?1003h");
1.115 nicm 720: }
721: if (changed & MODE_BRACKETPASTE) {
722: if (mode & MODE_BRACKETPASTE)
1.366 nicm 723: tty_putcode(tty, TTYC_ENBP);
1.115 nicm 724: else
1.366 nicm 725: tty_putcode(tty, TTYC_DSBP);
1.1 nicm 726: }
727: tty->mode = mode;
728: }
729:
1.207 nicm 730: static void
1.168 nicm 731: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
732: enum tty_code_code code1, u_int n)
1.1 nicm 733: {
734: if (tty_term_has(tty->term, code))
735: tty_putcode1(tty, code, n);
736: else {
737: while (n-- > 0)
738: tty_putcode(tty, code1);
739: }
740: }
741:
1.207 nicm 742: static void
1.133 nicm 743: tty_repeat_space(struct tty *tty, u_int n)
744: {
1.257 nicm 745: static char s[500];
746:
747: if (*s != ' ')
748: memset(s, ' ', sizeof s);
749:
750: while (n > sizeof s) {
751: tty_putn(tty, s, sizeof s, sizeof s);
752: n -= sizeof s;
753: }
754: if (n != 0)
755: tty_putn(tty, s, n, n);
1.304 nicm 756: }
757:
1.309 nicm 758: /* Is this window bigger than the terminal? */
759: int
760: tty_window_bigger(struct tty *tty)
761: {
762: struct client *c = tty->client;
763: struct window *w = c->session->curw->window;
764:
765: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
766: }
767:
768: /* What offset should this window be drawn at? */
769: int
770: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
771: {
772: *ox = tty->oox;
773: *oy = tty->ooy;
774: *sx = tty->osx;
775: *sy = tty->osy;
776:
777: return (tty->oflag);
778: }
779:
780: /* What offset should this window be drawn at? */
781: static int
782: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
783: {
784: struct client *c = tty->client;
785: struct window *w = c->session->curw->window;
1.376 nicm 786: struct window_pane *wp = server_client_get_pane(c);
1.309 nicm 787: u_int cx, cy, lines;
788:
789: lines = status_line_size(c);
790:
791: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
792: *ox = 0;
793: *oy = 0;
794: *sx = w->sx;
795: *sy = w->sy;
796:
797: c->pan_window = NULL;
798: return (0);
799: }
800:
801: *sx = tty->sx;
802: *sy = tty->sy - lines;
803:
804: if (c->pan_window == w) {
805: if (*sx >= w->sx)
806: c->pan_ox = 0;
807: else if (c->pan_ox + *sx > w->sx)
808: c->pan_ox = w->sx - *sx;
809: *ox = c->pan_ox;
810: if (*sy >= w->sy)
811: c->pan_oy = 0;
812: else if (c->pan_oy + *sy > w->sy)
813: c->pan_oy = w->sy - *sy;
814: *oy = c->pan_oy;
815: return (1);
816: }
817:
818: if (~wp->screen->mode & MODE_CURSOR) {
819: *ox = 0;
820: *oy = 0;
821: } else {
822: cx = wp->xoff + wp->screen->cx;
823: cy = wp->yoff + wp->screen->cy;
824:
825: if (cx < *sx)
826: *ox = 0;
827: else if (cx > w->sx - *sx)
828: *ox = w->sx - *sx;
829: else
830: *ox = cx - *sx / 2;
831:
832: if (cy < *sy)
833: *oy = 0;
834: else if (cy > w->sy - *sy)
835: *oy = w->sy - *sy;
836: else
837: *oy = cy - *sy / 2;
838: }
839:
840: c->pan_window = NULL;
841: return (1);
842: }
843:
844: /* Update stored offsets for a window and redraw if necessary. */
845: void
846: tty_update_window_offset(struct window *w)
847: {
848: struct client *c;
849:
850: TAILQ_FOREACH(c, &clients, entry) {
851: if (c->session != NULL && c->session->curw->window == w)
852: tty_update_client_offset(c);
853: }
854: }
855:
856: /* Update stored offsets for a client and redraw if necessary. */
857: void
858: tty_update_client_offset(struct client *c)
1.304 nicm 859: {
1.309 nicm 860: u_int ox, oy, sx, sy;
1.314 nicm 861:
862: if (~c->flags & CLIENT_TERMINAL)
863: return;
1.304 nicm 864:
1.309 nicm 865: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
866: if (ox == c->tty.oox &&
867: oy == c->tty.ooy &&
868: sx == c->tty.osx &&
869: sy == c->tty.osy)
870: return;
871:
872: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
873: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
874: ox, oy, sx, sy);
875:
876: c->tty.oox = ox;
877: c->tty.ooy = oy;
878: c->tty.osx = sx;
879: c->tty.osy = sy;
880:
881: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 882: }
883:
1.373 nicm 884: /* Get a palette entry. */
885: static int
886: tty_get_palette(int *palette, int c)
887: {
888: int new;
889:
890: if (palette == NULL)
891: return (-1);
892:
893: new = -1;
894: if (c < 8)
895: new = palette[c];
896: else if (c >= 90 && c <= 97)
897: new = palette[8 + c - 90];
898: else if (c & COLOUR_FLAG_256)
899: new = palette[c & ~COLOUR_FLAG_256];
900: if (new == 0)
901: return (-1);
902: return (new);
903: }
904:
1.1 nicm 905: /*
1.119 nicm 906: * Is the region large enough to be worth redrawing once later rather than
907: * probably several times now? Currently yes if it is more than 50% of the
908: * pane.
909: */
1.207 nicm 910: static int
1.194 nicm 911: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 912: {
1.372 nicm 913: return (ctx->orlower - ctx->orupper >= ctx->sy / 2);
1.119 nicm 914: }
915:
916: /*
1.176 nicm 917: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
918: * emulated.
919: */
1.207 nicm 920: static int
1.373 nicm 921: tty_fake_bce(const struct tty *tty, const struct grid_cell *gc, u_int bg)
1.176 nicm 922: {
1.210 nicm 923: if (tty_term_flag(tty->term, TTYC_BCE))
924: return (0);
1.373 nicm 925: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc->bg))
1.210 nicm 926: return (1);
927: return (0);
1.176 nicm 928: }
929:
930: /*
1.1 nicm 931: * Redraw scroll region using data from screen (already updated). Used when
932: * CSR not supported, or window is a pane that doesn't take up the full
933: * width of the terminal.
934: */
1.207 nicm 935: static void
1.24 nicm 936: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 937: {
1.358 nicm 938: struct client *c = tty->client;
1.204 nicm 939: u_int i;
1.1 nicm 940:
941: /*
1.373 nicm 942: * If region is large, schedule a redraw. In most cases this is likely
943: * to be followed by some more scrolling.
1.1 nicm 944: */
1.119 nicm 945: if (tty_large_region(tty, ctx)) {
1.373 nicm 946: log_debug("%s: %s large redraw", __func__, c->name);
947: ctx->redraw_cb(ctx);
1.1 nicm 948: return;
949: }
950:
1.14 nicm 951: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
1.372 nicm 952: for (i = ctx->ocy; i < ctx->sy; i++)
1.309 nicm 953: tty_draw_pane(tty, ctx, i);
1.1 nicm 954: } else {
1.14 nicm 955: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.309 nicm 956: tty_draw_pane(tty, ctx, i);
1.1 nicm 957: }
958: }
959:
1.309 nicm 960: /* Is this position visible in the pane? */
961: static int
1.374 nicm 962: tty_is_visible(__unused struct tty *tty, const struct tty_ctx *ctx, u_int px,
963: u_int py, u_int nx, u_int ny)
1.309 nicm 964: {
1.374 nicm 965: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 966:
967: if (!ctx->bigger)
968: return (1);
969:
1.372 nicm 970: if (xoff + nx <= ctx->wox || xoff >= ctx->wox + ctx->wsx ||
1.374 nicm 971: yoff + ny <= ctx->woy || yoff >= ctx->woy + ctx->wsy)
1.309 nicm 972: return (0);
973: return (1);
974: }
975:
976: /* Clamp line position to visible part of pane. */
977: static int
978: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
979: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
980: {
1.373 nicm 981: u_int xoff = ctx->rxoff + px;
1.309 nicm 982:
983: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
984: return (0);
1.372 nicm 985: *ry = ctx->yoff + py - ctx->woy;
1.309 nicm 986:
1.372 nicm 987: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 988: /* All visible. */
989: *i = 0;
1.372 nicm 990: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 991: *rx = nx;
1.372 nicm 992: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 993: /* Both left and right not visible. */
1.372 nicm 994: *i = ctx->wox;
1.309 nicm 995: *x = 0;
1.372 nicm 996: *rx = ctx->wsx;
997: } else if (xoff < ctx->wox) {
1.309 nicm 998: /* Left not visible. */
1.372 nicm 999: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1000: *x = 0;
1001: *rx = nx - *i;
1002: } else {
1003: /* Right not visible. */
1004: *i = 0;
1.372 nicm 1005: *x = (ctx->xoff + px) - ctx->wox;
1006: *rx = ctx->wsx - *x;
1.309 nicm 1007: }
1008: if (*rx > nx)
1009: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1010:
1011: return (1);
1012: }
1013:
1014: /* Clear a line. */
1.271 nicm 1015: static void
1.373 nicm 1016: tty_clear_line(struct tty *tty, const struct grid_cell *defaults, u_int py,
1017: u_int px, u_int nx, u_int bg)
1.271 nicm 1018: {
1.309 nicm 1019: struct client *c = tty->client;
1020:
1021: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1022:
1023: /* Nothing to clear. */
1024: if (nx == 0)
1025: return;
1026:
1027: /* If genuine BCE is available, can try escape sequences. */
1.373 nicm 1028: if (!tty_fake_bce(tty, defaults, bg)) {
1.271 nicm 1029: /* Off the end of the line, use EL if available. */
1030: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1031: tty_cursor(tty, px, py);
1032: tty_putcode(tty, TTYC_EL);
1033: return;
1034: }
1035:
1036: /* At the start of the line. Use EL1. */
1037: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1038: tty_cursor(tty, px + nx - 1, py);
1039: tty_putcode(tty, TTYC_EL1);
1040: return;
1041: }
1042:
1043: /* Section of line. Use ECH if possible. */
1044: if (tty_term_has(tty->term, TTYC_ECH)) {
1045: tty_cursor(tty, px, py);
1046: tty_putcode1(tty, TTYC_ECH, nx);
1047: return;
1048: }
1049: }
1050:
1051: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 1052: tty_cursor(tty, px, py);
1.271 nicm 1053: tty_repeat_space(tty, nx);
1054: }
1055:
1.309 nicm 1056: /* Clear a line, adjusting to visible part of pane. */
1057: static void
1058: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1059: u_int px, u_int nx, u_int bg)
1060: {
1061: struct client *c = tty->client;
1062: u_int i, x, rx, ry;
1063:
1064: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1065:
1066: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1.373 nicm 1067: tty_clear_line(tty, &ctx->defaults, ry, x, rx, bg);
1.309 nicm 1068: }
1069:
1070: /* Clamp area position to visible part of pane. */
1071: static int
1072: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1073: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1074: u_int *ry)
1075: {
1.373 nicm 1076: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1077:
1078: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1079: return (0);
1080:
1.372 nicm 1081: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1082: /* All visible. */
1083: *i = 0;
1.372 nicm 1084: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1085: *rx = nx;
1.372 nicm 1086: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1087: /* Both left and right not visible. */
1.372 nicm 1088: *i = ctx->wox;
1.309 nicm 1089: *x = 0;
1.372 nicm 1090: *rx = ctx->wsx;
1091: } else if (xoff < ctx->wox) {
1.309 nicm 1092: /* Left not visible. */
1.372 nicm 1093: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1094: *x = 0;
1095: *rx = nx - *i;
1096: } else {
1097: /* Right not visible. */
1098: *i = 0;
1.372 nicm 1099: *x = (ctx->xoff + px) - ctx->wox;
1100: *rx = ctx->wsx - *x;
1.309 nicm 1101: }
1102: if (*rx > nx)
1103: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1104:
1.372 nicm 1105: if (yoff >= ctx->woy && yoff + ny <= ctx->woy + ctx->wsy) {
1.309 nicm 1106: /* All visible. */
1107: *j = 0;
1.372 nicm 1108: *y = ctx->yoff + py - ctx->woy;
1.309 nicm 1109: *ry = ny;
1.372 nicm 1110: } else if (yoff < ctx->woy && yoff + ny > ctx->woy + ctx->wsy) {
1.327 nicm 1111: /* Both top and bottom not visible. */
1.372 nicm 1112: *j = ctx->woy;
1.309 nicm 1113: *y = 0;
1.372 nicm 1114: *ry = ctx->wsy;
1115: } else if (yoff < ctx->woy) {
1.327 nicm 1116: /* Top not visible. */
1.372 nicm 1117: *j = ctx->woy - (ctx->yoff + py);
1.309 nicm 1118: *y = 0;
1119: *ry = ny - *j;
1120: } else {
1.327 nicm 1121: /* Bottom not visible. */
1.309 nicm 1122: *j = 0;
1.372 nicm 1123: *y = (ctx->yoff + py) - ctx->woy;
1124: *ry = ctx->wsy - *y;
1.309 nicm 1125: }
1126: if (*ry > ny)
1127: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1128:
1129: return (1);
1130: }
1131:
1132: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1133: static void
1.373 nicm 1134: tty_clear_area(struct tty *tty, const struct grid_cell *defaults, u_int py,
1135: u_int ny, u_int px, u_int nx, u_int bg)
1.271 nicm 1136: {
1.309 nicm 1137: struct client *c = tty->client;
1138: u_int yy;
1139: char tmp[64];
1.271 nicm 1140:
1.309 nicm 1141: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1142:
1143: /* Nothing to clear. */
1144: if (nx == 0 || ny == 0)
1145: return;
1146:
1147: /* If genuine BCE is available, can try escape sequences. */
1.373 nicm 1148: if (!tty_fake_bce(tty, defaults, bg)) {
1.276 nicm 1149: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1150: if (px == 0 &&
1151: px + nx >= tty->sx &&
1152: py + ny >= tty->sy &&
1153: tty_term_has(tty->term, TTYC_ED)) {
1154: tty_cursor(tty, 0, py);
1155: tty_putcode(tty, TTYC_ED);
1.274 nicm 1156: return;
1157: }
1158:
1159: /*
1.276 nicm 1160: * On VT420 compatible terminals we can use DECFRA if the
1161: * background colour isn't default (because it doesn't work
1162: * after SGR 0).
1.274 nicm 1163: */
1.359 nicm 1164: if ((tty->term->flags & TERM_DECFRA) && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1165: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1166: py + 1, px + 1, py + ny, px + nx);
1167: tty_puts(tty, tmp);
1.276 nicm 1168: return;
1169: }
1170:
1.280 nicm 1171: /* Full lines can be scrolled away to clear them. */
1172: if (px == 0 &&
1.281 nicm 1173: px + nx >= tty->sx &&
1.280 nicm 1174: ny > 2 &&
1175: tty_term_has(tty->term, TTYC_CSR) &&
1176: tty_term_has(tty->term, TTYC_INDN)) {
1177: tty_region(tty, py, py + ny - 1);
1178: tty_margin_off(tty);
1.284 nicm 1179: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1180: return;
1181: }
1182:
1.276 nicm 1183: /*
1184: * If margins are supported, can just scroll the area off to
1185: * clear it.
1186: */
1.277 nicm 1187: if (nx > 2 &&
1188: ny > 2 &&
1.280 nicm 1189: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1190: tty_use_margin(tty) &&
1191: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1192: tty_region(tty, py, py + ny - 1);
1193: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1194: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1195: return;
1196: }
1197: }
1198:
1199: /* Couldn't use an escape sequence, loop over the lines. */
1200: for (yy = py; yy < py + ny; yy++)
1.373 nicm 1201: tty_clear_line(tty, defaults, yy, px, nx, bg);
1.271 nicm 1202: }
1203:
1.309 nicm 1204: /* Clear an area in a pane. */
1205: static void
1206: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1207: u_int ny, u_int px, u_int nx, u_int bg)
1208: {
1209: u_int i, j, x, y, rx, ry;
1210:
1211: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1.373 nicm 1212: tty_clear_area(tty, &ctx->defaults, y, ry, x, rx, bg);
1.309 nicm 1213: }
1214:
1215: static void
1216: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1217: {
1.373 nicm 1218: struct screen *s = ctx->s;
1219: u_int nx = ctx->sx, i, x, rx, ry;
1.309 nicm 1220:
1221: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1222:
1223: if (!ctx->bigger) {
1.373 nicm 1224: tty_draw_line(tty, s, 0, py, nx, ctx->xoff, ctx->yoff + py,
1225: &ctx->defaults, ctx->palette);
1.309 nicm 1226: return;
1227: }
1.373 nicm 1228: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry)) {
1229: tty_draw_line(tty, s, i, py, rx, x, ry, &ctx->defaults,
1230: ctx->palette);
1231: }
1.176 nicm 1232: }
1233:
1.298 nicm 1234: static const struct grid_cell *
1235: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1236: {
1237: static struct grid_cell new;
1.377 nicm 1238: int c;
1.298 nicm 1239:
1240: /* Characters less than 0x7f are always fine, no matter what. */
1241: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1242: return (gc);
1243:
1244: /* UTF-8 terminal and a UTF-8 character - fine. */
1.359 nicm 1245: if (tty->client->flags & CLIENT_UTF8)
1.298 nicm 1246: return (gc);
1.377 nicm 1247: memcpy(&new, gc, sizeof new);
1248:
1249: /* See if this can be mapped to an ACS character. */
1250: c = tty_acs_reverse_get(tty, gc->data.data, gc->data.size);
1251: if (c != -1) {
1252: utf8_set(&new.data, c);
1253: new.attr |= GRID_ATTR_CHARSET;
1254: return (&new);
1255: }
1.298 nicm 1256:
1257: /* Replace by the right number of underscores. */
1.377 nicm 1258: new.data.size = gc->data.width;
1259: if (new.data.size > UTF8_SIZE)
1260: new.data.size = UTF8_SIZE;
1261: memset(new.data.data, '_', new.data.size);
1.298 nicm 1262: return (&new);
1263: }
1264:
1.346 nicm 1265: static int
1266: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1267: {
1268: struct client *c = tty->client;
1269:
1270: if (c->overlay_check == NULL)
1271: return (1);
1272: return (c->overlay_check(c, px, py));
1273: }
1274:
1.176 nicm 1275: void
1.373 nicm 1276: tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
1277: u_int atx, u_int aty, const struct grid_cell *defaults, int *palette)
1.1 nicm 1278: {
1.297 nicm 1279: struct grid *gd = s->grid;
1.250 nicm 1280: struct grid_cell gc, last;
1.298 nicm 1281: const struct grid_cell *gcp;
1.309 nicm 1282: struct grid_line *gl;
1283: u_int i, j, ux, sx, width;
1.329 nicm 1284: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1285: char buf[512];
1.315 nicm 1286: size_t len;
1.303 nicm 1287: u_int cellsize;
1.1 nicm 1288:
1.309 nicm 1289: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1290: px, py, nx, atx, aty);
1291:
1292: /*
1293: * py is the line in the screen to draw.
1294: * px is the start x and nx is the width to draw.
1295: * atx,aty is the line on the terminal to draw it.
1296: */
1297:
1.259 nicm 1298: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1299: tty->flags |= TTY_NOCURSOR;
1300: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1301:
1.214 nicm 1302: tty_region_off(tty);
1303: tty_margin_off(tty);
1304:
1.273 nicm 1305: /*
1306: * Clamp the width to cellsize - note this is not cellused, because
1307: * there may be empty background cells after it (from BCE).
1308: */
1.1 nicm 1309: sx = screen_size_x(s);
1.309 nicm 1310: if (nx > sx)
1311: nx = sx;
1.303 nicm 1312: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1313: if (sx > cellsize)
1314: sx = cellsize;
1.1 nicm 1315: if (sx > tty->sx)
1316: sx = tty->sx;
1.309 nicm 1317: if (sx > nx)
1318: sx = nx;
1.292 nicm 1319: ux = 0;
1.1 nicm 1320:
1.309 nicm 1321: if (py == 0)
1322: gl = NULL;
1323: else
1324: gl = grid_get_line(gd, gd->hsize + py - 1);
1.373 nicm 1325: if (gl == NULL ||
1.309 nicm 1326: (~gl->flags & GRID_LINE_WRAPPED) ||
1327: atx != 0 ||
1.268 nicm 1328: tty->cx < tty->sx ||
1.309 nicm 1329: nx < tty->sx) {
1330: if (nx < tty->sx &&
1331: atx == 0 &&
1332: px + sx != nx &&
1.268 nicm 1333: tty_term_has(tty->term, TTYC_EL1) &&
1.373 nicm 1334: !tty_fake_bce(tty, defaults, 8)) {
1335: tty_default_attributes(tty, defaults, palette, 8);
1.309 nicm 1336: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1337: tty_putcode(tty, TTYC_EL1);
1338: cleared = 1;
1339: }
1.329 nicm 1340: } else {
1.309 nicm 1341: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1342: wrapped = 1;
1343: }
1.250 nicm 1344:
1345: memcpy(&last, &grid_default_cell, sizeof last);
1346: len = 0;
1347: width = 0;
1.46 nicm 1348:
1.1 nicm 1349: for (i = 0; i < sx; i++) {
1.309 nicm 1350: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1351: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1352: if (len != 0 &&
1.346 nicm 1353: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1354: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1355: gcp->flags != last.flags ||
1356: gcp->attr != last.attr ||
1357: gcp->fg != last.fg ||
1358: gcp->bg != last.bg ||
1.328 nicm 1359: gcp->us != last.us ||
1.315 nicm 1360: ux + width + gcp->data.width > nx ||
1.298 nicm 1361: (sizeof buf) - len < gcp->data.size)) {
1.373 nicm 1362: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1363: if (last.flags & GRID_FLAG_CLEARED) {
1364: log_debug("%s: %zu cleared", __func__, len);
1.373 nicm 1365: tty_clear_line(tty, defaults, aty, atx + ux,
1366: width, last.bg);
1.315 nicm 1367: } else {
1.329 nicm 1368: if (!wrapped || atx != 0 || ux != 0)
1369: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1370: tty_putn(tty, buf, len, width);
1371: }
1.292 nicm 1372: ux += width;
1.250 nicm 1373:
1374: len = 0;
1375: width = 0;
1.329 nicm 1376: wrapped = 0;
1.250 nicm 1377: }
1378:
1.298 nicm 1379: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1380: screen_select_cell(s, &last, gcp);
1.250 nicm 1381: else
1.299 nicm 1382: memcpy(&last, gcp, sizeof last);
1.381 nicm 1383: if (!tty_check_overlay(tty, atx + ux, aty)) {
1384: if (~gcp->flags & GRID_FLAG_PADDING)
1385: ux += gcp->data.width;
1386: } else if (ux + gcp->data.width > nx) {
1.373 nicm 1387: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1388: tty_cursor(tty, atx + ux, aty);
1.298 nicm 1389: for (j = 0; j < gcp->data.width; j++) {
1.309 nicm 1390: if (ux + j > nx)
1.297 nicm 1391: break;
1392: tty_putc(tty, ' ');
1393: ux++;
1394: }
1.299 nicm 1395: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1.373 nicm 1396: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1397: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1398: for (j = 0; j < gcp->data.size; j++)
1399: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1400: ux += gcp->data.width;
1.381 nicm 1401: } else if (~gcp->flags & GRID_FLAG_PADDING) {
1.298 nicm 1402: memcpy(buf + len, gcp->data.data, gcp->data.size);
1403: len += gcp->data.size;
1404: width += gcp->data.width;
1.250 nicm 1405: }
1406: }
1.315 nicm 1407: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.373 nicm 1408: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1409: if (last.flags & GRID_FLAG_CLEARED) {
1410: log_debug("%s: %zu cleared (end)", __func__, len);
1.373 nicm 1411: tty_clear_line(tty, defaults, aty, atx + ux, width,
1412: last.bg);
1.315 nicm 1413: } else {
1.329 nicm 1414: if (!wrapped || atx != 0 || ux != 0)
1415: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1416: tty_putn(tty, buf, len, width);
1417: }
1.315 nicm 1418: ux += width;
1.1 nicm 1419: }
1420:
1.309 nicm 1421: if (!cleared && ux < nx) {
1.315 nicm 1422: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1423: nx - ux, len);
1.373 nicm 1424: tty_default_attributes(tty, defaults, palette, 8);
1425: tty_clear_line(tty, defaults, aty, atx + ux, nx - ux, 8);
1.35 nicm 1426: }
1.1 nicm 1427:
1.181 nicm 1428: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1429: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1430: }
1431:
1.348 nicm 1432: void
1433: tty_sync_start(struct tty *tty)
1434: {
1.361 nicm 1435: if (tty->flags & TTY_BLOCK)
1436: return;
1437: if (tty->flags & TTY_SYNCING)
1438: return;
1439: tty->flags |= TTY_SYNCING;
1440:
1441: if (tty_term_has(tty->term, TTYC_SYNC)) {
1442: log_debug("%s sync start", tty->client->name);
1.360 nicm 1443: tty_putcode1(tty, TTYC_SYNC, 1);
1.357 nicm 1444: }
1.348 nicm 1445: }
1446:
1447: void
1448: tty_sync_end(struct tty *tty)
1449: {
1.361 nicm 1450: if (tty->flags & TTY_BLOCK)
1451: return;
1452: if (~tty->flags & TTY_SYNCING)
1453: return;
1454: tty->flags &= ~TTY_SYNCING;
1455:
1456: if (tty_term_has(tty->term, TTYC_SYNC)) {
1457: log_debug("%s sync end", tty->client->name);
1.360 nicm 1458: tty_putcode1(tty, TTYC_SYNC, 2);
1.357 nicm 1459: }
1.348 nicm 1460: }
1461:
1.201 nicm 1462: static int
1.373 nicm 1463: tty_client_ready(struct client *c)
1.182 nicm 1464: {
1465: if (c->session == NULL || c->tty.term == NULL)
1466: return (0);
1.305 nicm 1467: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1468: return (0);
1469: if (c->tty.flags & TTY_FREEZE)
1470: return (0);
1471: return (1);
1472: }
1473:
1.15 nicm 1474: void
1.182 nicm 1475: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1476: struct tty_ctx *ctx)
1.15 nicm 1477: {
1.373 nicm 1478: struct client *c;
1479: int state;
1.15 nicm 1480:
1.373 nicm 1481: if (ctx->set_client_cb == NULL)
1.15 nicm 1482: return;
1.178 nicm 1483: TAILQ_FOREACH(c, &clients, entry) {
1.373 nicm 1484: if (!tty_client_ready(c))
1.15 nicm 1485: continue;
1.373 nicm 1486: state = ctx->set_client_cb(ctx, c);
1487: if (state == -1)
1.358 nicm 1488: break;
1.373 nicm 1489: if (state == 0)
1490: continue;
1.139 nicm 1491: cmdfn(&c->tty, ctx);
1.1 nicm 1492: }
1493: }
1494:
1495: void
1.24 nicm 1496: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1497: {
1.309 nicm 1498: if (ctx->bigger ||
1.372 nicm 1499: !tty_full_width(tty, ctx) ||
1.373 nicm 1500: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.210 nicm 1501: (!tty_term_has(tty->term, TTYC_ICH) &&
1502: !tty_term_has(tty->term, TTYC_ICH1))) {
1.309 nicm 1503: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1504: return;
1505: }
1506:
1.373 nicm 1507: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1508:
1.77 nicm 1509: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1510:
1.206 nicm 1511: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1512: }
1513:
1514: void
1.24 nicm 1515: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1516: {
1.309 nicm 1517: if (ctx->bigger ||
1.372 nicm 1518: !tty_full_width(tty, ctx) ||
1.373 nicm 1519: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.26 nicm 1520: (!tty_term_has(tty->term, TTYC_DCH) &&
1521: !tty_term_has(tty->term, TTYC_DCH1))) {
1.309 nicm 1522: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1523: return;
1524: }
1525:
1.373 nicm 1526: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1527:
1.77 nicm 1528: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1529:
1.206 nicm 1530: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1531: }
1532:
1533: void
1534: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1535: {
1.309 nicm 1536: if (ctx->bigger) {
1537: tty_draw_pane(tty, ctx, ctx->ocy);
1538: return;
1539: }
1540:
1.373 nicm 1541: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.146 nicm 1542:
1543: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1544:
1.210 nicm 1545: if (tty_term_has(tty->term, TTYC_ECH) &&
1.373 nicm 1546: !tty_fake_bce(tty, &ctx->defaults, 8))
1.146 nicm 1547: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1548: else
1549: tty_repeat_space(tty, ctx->num);
1.1 nicm 1550: }
1551:
1552: void
1.24 nicm 1553: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1554: {
1.309 nicm 1555: if (ctx->bigger ||
1.372 nicm 1556: !tty_full_width(tty, ctx) ||
1.373 nicm 1557: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.77 nicm 1558: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1559: !tty_term_has(tty->term, TTYC_IL1) ||
1.373 nicm 1560: ctx->sx == 1 ||
1561: ctx->sy == 1) {
1.14 nicm 1562: tty_redraw_region(tty, ctx);
1.1 nicm 1563: return;
1564: }
1565:
1.373 nicm 1566: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1567:
1.77 nicm 1568: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1569: tty_margin_off(tty);
1.77 nicm 1570: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1571:
1.12 nicm 1572: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1573: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1574: }
1575:
1576: void
1.24 nicm 1577: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1578: {
1.309 nicm 1579: if (ctx->bigger ||
1.372 nicm 1580: !tty_full_width(tty, ctx) ||
1.373 nicm 1581: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.72 nicm 1582: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1583: !tty_term_has(tty->term, TTYC_DL1) ||
1.373 nicm 1584: ctx->sx == 1 ||
1585: ctx->sy == 1) {
1.14 nicm 1586: tty_redraw_region(tty, ctx);
1.1 nicm 1587: return;
1588: }
1589:
1.373 nicm 1590: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1591:
1.77 nicm 1592: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1593: tty_margin_off(tty);
1.77 nicm 1594: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1595:
1.12 nicm 1596: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1597: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1598: }
1599:
1600: void
1.24 nicm 1601: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1602: {
1.373 nicm 1603: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1604:
1.372 nicm 1605: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->sx, ctx->bg);
1.1 nicm 1606: }
1607:
1608: void
1.24 nicm 1609: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1610: {
1.373 nicm 1611: u_int nx = ctx->sx - ctx->ocx;
1.1 nicm 1612:
1.373 nicm 1613: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1614:
1.309 nicm 1615: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1616: }
1617:
1618: void
1.24 nicm 1619: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1620: {
1.373 nicm 1621: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1622:
1.309 nicm 1623: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1624: }
1625:
1626: void
1.24 nicm 1627: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1628: {
1.56 nicm 1629: if (ctx->ocy != ctx->orupper)
1630: return;
1631:
1.309 nicm 1632: if (ctx->bigger ||
1.372 nicm 1633: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1634: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.70 nicm 1635: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1636: (!tty_term_has(tty->term, TTYC_RI) &&
1637: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1638: ctx->sx == 1 ||
1639: ctx->sy == 1) {
1.14 nicm 1640: tty_redraw_region(tty, ctx);
1.1 nicm 1641: return;
1642: }
1643:
1.373 nicm 1644: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1645:
1.56 nicm 1646: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1647: tty_margin_pane(tty, ctx);
1.56 nicm 1648: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1649:
1.331 nicm 1650: if (tty_term_has(tty->term, TTYC_RI))
1651: tty_putcode(tty, TTYC_RI);
1652: else
1653: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1654: }
1655:
1656: void
1.24 nicm 1657: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1658: {
1.56 nicm 1659: if (ctx->ocy != ctx->orlower)
1660: return;
1661:
1.309 nicm 1662: if (ctx->bigger ||
1.372 nicm 1663: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1664: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1665: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1666: ctx->sx == 1 ||
1667: ctx->sy == 1) {
1.236 nicm 1668: tty_redraw_region(tty, ctx);
1.1 nicm 1669: return;
1670: }
1.52 nicm 1671:
1.373 nicm 1672: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1673:
1.56 nicm 1674: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1675: tty_margin_pane(tty, ctx);
1676:
1677: /*
1.301 nicm 1678: * If we want to wrap a pane while using margins, the cursor needs to
1679: * be exactly on the right of the region. If the cursor is entirely off
1680: * the edge - move it back to the right. Some terminals are funny about
1681: * this and insert extra spaces, so only use the right if margins are
1682: * enabled.
1.212 nicm 1683: */
1.301 nicm 1684: if (ctx->xoff + ctx->ocx > tty->rright) {
1685: if (!tty_use_margin(tty))
1686: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1687: else
1688: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1689: } else
1.212 nicm 1690: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1691:
1.56 nicm 1692: tty_putc(tty, '\n');
1.240 nicm 1693: }
1694:
1695: void
1696: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1697: {
1.373 nicm 1698: u_int i;
1.240 nicm 1699:
1.309 nicm 1700: if (ctx->bigger ||
1.372 nicm 1701: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1702: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1703: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1704: ctx->sx == 1 ||
1705: ctx->sy == 1) {
1.240 nicm 1706: tty_redraw_region(tty, ctx);
1707: return;
1708: }
1709:
1.373 nicm 1710: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.240 nicm 1711:
1712: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1713: tty_margin_pane(tty, ctx);
1714:
1.284 nicm 1715: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1716: if (!tty_use_margin(tty))
1717: tty_cursor(tty, 0, tty->rlower);
1718: else
1719: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1720: for (i = 0; i < ctx->num; i++)
1.240 nicm 1721: tty_putc(tty, '\n');
1.301 nicm 1722: } else {
1.353 nicm 1723: if (tty->cy == UINT_MAX)
1724: tty_cursor(tty, 0, 0);
1725: else
1726: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1727: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1728: }
1729: }
1730:
1731: void
1732: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1733: {
1.373 nicm 1734: u_int i;
1.331 nicm 1735:
1736: if (ctx->bigger ||
1.372 nicm 1737: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1738: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.331 nicm 1739: !tty_term_has(tty->term, TTYC_CSR) ||
1740: (!tty_term_has(tty->term, TTYC_RI) &&
1741: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1742: ctx->sx == 1 ||
1743: ctx->sy == 1) {
1.331 nicm 1744: tty_redraw_region(tty, ctx);
1745: return;
1746: }
1747:
1.373 nicm 1748: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.331 nicm 1749:
1750: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1751: tty_margin_pane(tty, ctx);
1752: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1753:
1754: if (tty_term_has(tty->term, TTYC_RIN))
1755: tty_putcode1(tty, TTYC_RIN, ctx->num);
1756: else {
1757: for (i = 0; i < ctx->num; i++)
1758: tty_putcode(tty, TTYC_RI);
1.301 nicm 1759: }
1.1 nicm 1760: }
1761:
1762: void
1.24 nicm 1763: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1764: {
1.373 nicm 1765: u_int px, py, nx, ny;
1.1 nicm 1766:
1.373 nicm 1767: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1768:
1.372 nicm 1769: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1770: tty_margin_off(tty);
1.39 nicm 1771:
1.309 nicm 1772: px = 0;
1.372 nicm 1773: nx = ctx->sx;
1.309 nicm 1774: py = ctx->ocy + 1;
1.372 nicm 1775: ny = ctx->sy - ctx->ocy - 1;
1.271 nicm 1776:
1.309 nicm 1777: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1778:
1.309 nicm 1779: px = ctx->ocx;
1.372 nicm 1780: nx = ctx->sx - ctx->ocx;
1.309 nicm 1781: py = ctx->ocy;
1.271 nicm 1782:
1.309 nicm 1783: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1784: }
1785:
1786: void
1.24 nicm 1787: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1788: {
1.373 nicm 1789: u_int px, py, nx, ny;
1.1 nicm 1790:
1.373 nicm 1791: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1792:
1.372 nicm 1793: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1794: tty_margin_off(tty);
1.39 nicm 1795:
1.309 nicm 1796: px = 0;
1.372 nicm 1797: nx = ctx->sx;
1.309 nicm 1798: py = 0;
1.319 nicm 1799: ny = ctx->ocy;
1.271 nicm 1800:
1.309 nicm 1801: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1802:
1.309 nicm 1803: px = 0;
1.271 nicm 1804: nx = ctx->ocx + 1;
1.309 nicm 1805: py = ctx->ocy;
1.271 nicm 1806:
1.309 nicm 1807: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1808: }
1809:
1810: void
1.24 nicm 1811: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1812: {
1.373 nicm 1813: u_int px, py, nx, ny;
1.1 nicm 1814:
1.373 nicm 1815: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1816:
1.372 nicm 1817: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1818: tty_margin_off(tty);
1.39 nicm 1819:
1.309 nicm 1820: px = 0;
1.372 nicm 1821: nx = ctx->sx;
1.309 nicm 1822: py = 0;
1.372 nicm 1823: ny = ctx->sy;
1.271 nicm 1824:
1.309 nicm 1825: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1826: }
1827:
1828: void
1.24 nicm 1829: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1830: {
1.373 nicm 1831: u_int i, j;
1.4 nicm 1832:
1.309 nicm 1833: if (ctx->bigger) {
1.373 nicm 1834: ctx->redraw_cb(ctx);
1.309 nicm 1835: return;
1836: }
1837:
1.373 nicm 1838: tty_attributes(tty, &grid_default_cell, &ctx->defaults, ctx->palette);
1.4 nicm 1839:
1.372 nicm 1840: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1841: tty_margin_off(tty);
1.4 nicm 1842:
1.372 nicm 1843: for (j = 0; j < ctx->sy; j++) {
1.41 nicm 1844: tty_cursor_pane(tty, ctx, 0, j);
1.372 nicm 1845: for (i = 0; i < ctx->sx; i++)
1.4 nicm 1846: tty_putc(tty, 'E');
1.1 nicm 1847: }
1848: }
1849:
1850: void
1.24 nicm 1851: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1852: {
1.309 nicm 1853: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1))
1854: return;
1855:
1.372 nicm 1856: if (ctx->xoff + ctx->ocx - ctx->wox > tty->sx - 1 &&
1.306 nicm 1857: ctx->ocy == ctx->orlower &&
1.372 nicm 1858: tty_full_width(tty, ctx))
1.306 nicm 1859: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1860:
1.306 nicm 1861: tty_margin_off(tty);
1.253 nicm 1862: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1863:
1.373 nicm 1864: tty_cell(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 1865: }
1866:
1867: void
1868: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1869: {
1.309 nicm 1870: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1871: return;
1872:
1873: if (ctx->bigger &&
1.372 nicm 1874: (ctx->xoff + ctx->ocx < ctx->wox ||
1875: ctx->xoff + ctx->ocx + ctx->num > ctx->wox + ctx->wsx)) {
1.309 nicm 1876: if (!ctx->wrapped ||
1.372 nicm 1877: !tty_full_width(tty, ctx) ||
1.382 nicm 1878: (tty->term->flags & TERM_NOAM) ||
1.309 nicm 1879: ctx->xoff + ctx->ocx != 0 ||
1880: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1881: tty->cx < tty->sx ||
1882: tty->cy == tty->rlower)
1883: tty_draw_pane(tty, ctx, ctx->ocy);
1884: else
1.373 nicm 1885: ctx->redraw_cb(ctx);
1.309 nicm 1886: return;
1887: }
1888:
1.306 nicm 1889: tty_margin_off(tty);
1.253 nicm 1890: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1891:
1.373 nicm 1892: tty_attributes(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 1893: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1894: }
1895:
1896: void
1897: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1898: {
1.383 ! nicm 1899: tty_set_selection(tty, ctx->ptr, ctx->num);
! 1900: }
! 1901:
! 1902: void
! 1903: tty_set_selection(struct tty *tty, const char *buf, size_t len)
! 1904: {
! 1905: char *encoded;
! 1906: size_t size;
1.106 nicm 1907:
1908: if (!tty_term_has(tty->term, TTYC_MS))
1909: return;
1.383 ! nicm 1910: if (~tty->flags & TTY_STARTED)
! 1911: return;
1.106 nicm 1912:
1.383 ! nicm 1913: size = 4 * ((len + 2) / 3) + 1; /* storage for base64 */
! 1914: encoded = xmalloc(size);
1.106 nicm 1915:
1.383 ! nicm 1916: b64_ntop(buf, len, encoded, size);
! 1917: tty_putcode_ptr2(tty, TTYC_MS, "", encoded);
1.106 nicm 1918:
1.383 ! nicm 1919: free(encoded);
1.100 nicm 1920: }
1921:
1922: void
1923: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1924: {
1.256 nicm 1925: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1926: tty_invalidate(tty);
1.348 nicm 1927: }
1928:
1929: void
1930: tty_cmd_syncstart(struct tty *tty, __unused const struct tty_ctx *ctx)
1931: {
1932: tty_sync_start(tty);
1.1 nicm 1933: }
1934:
1.377 nicm 1935: void
1.373 nicm 1936: tty_cell(struct tty *tty, const struct grid_cell *gc,
1937: const struct grid_cell *defaults, int *palette)
1.1 nicm 1938: {
1.298 nicm 1939: const struct grid_cell *gcp;
1.1 nicm 1940:
1941: /* Skip last character if terminal is stupid. */
1.382 nicm 1942: if ((tty->term->flags & TERM_NOAM) &&
1.211 nicm 1943: tty->cy == tty->sy - 1 &&
1944: tty->cx == tty->sx - 1)
1.1 nicm 1945: return;
1946:
1947: /* If this is a padding character, do nothing. */
1948: if (gc->flags & GRID_FLAG_PADDING)
1949: return;
1950:
1.377 nicm 1951: /* Check the output codeset and apply attributes. */
1952: gcp = tty_check_codeset(tty, gc);
1953: tty_attributes(tty, gcp, defaults, palette);
1.1 nicm 1954:
1.377 nicm 1955: /* If it is a single character, write with putc to handle ACS. */
1.298 nicm 1956: if (gcp->data.size == 1) {
1.377 nicm 1957: tty_attributes(tty, gcp, defaults, palette);
1.298 nicm 1958: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 1959: return;
1.298 nicm 1960: tty_putc(tty, *gcp->data.data);
1.1 nicm 1961: return;
1962: }
1963:
1.147 nicm 1964: /* Write the data. */
1.298 nicm 1965: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 1966: }
1967:
1968: void
1969: tty_reset(struct tty *tty)
1970: {
1971: struct grid_cell *gc = &tty->cell;
1972:
1.228 nicm 1973: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 1974: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 1975: tty_putcode(tty, TTYC_RMACS);
1976: tty_putcode(tty, TTYC_SGR0);
1977: memcpy(gc, &grid_default_cell, sizeof *gc);
1978: }
1979: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1.242 nicm 1980: }
1981:
1982: static void
1983: tty_invalidate(struct tty *tty)
1984: {
1985: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1986: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1987:
1988: tty->cx = tty->cy = UINT_MAX;
1989: tty->rupper = tty->rleft = UINT_MAX;
1990: tty->rlower = tty->rright = UINT_MAX;
1991:
1992: if (tty->flags & TTY_STARTED) {
1.330 nicm 1993: if (tty_use_margin(tty))
1.365 nicm 1994: tty_putcode(tty, TTYC_ENMG);
1.242 nicm 1995: tty_putcode(tty, TTYC_SGR0);
1996:
1997: tty->mode = ALL_MODES;
1998: tty_update_mode(tty, MODE_CURSOR, NULL);
1999:
2000: tty_cursor(tty, 0, 0);
2001: tty_region_off(tty);
2002: tty_margin_off(tty);
2003: } else
2004: tty->mode = MODE_CURSOR;
1.1 nicm 2005: }
2006:
1.214 nicm 2007: /* Turn off margin. */
2008: void
2009: tty_region_off(struct tty *tty)
2010: {
2011: tty_region(tty, 0, tty->sy - 1);
2012: }
2013:
1.40 nicm 2014: /* Set region inside pane. */
1.208 nicm 2015: static void
1.196 nicm 2016: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
2017: u_int rlower)
1.1 nicm 2018: {
1.372 nicm 2019: tty_region(tty, ctx->yoff + rupper - ctx->woy,
2020: ctx->yoff + rlower - ctx->woy);
1.39 nicm 2021: }
2022:
1.40 nicm 2023: /* Set region at absolute position. */
1.214 nicm 2024: static void
1.40 nicm 2025: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2026: {
2027: if (tty->rlower == rlower && tty->rupper == rupper)
2028: return;
1.1 nicm 2029: if (!tty_term_has(tty->term, TTYC_CSR))
2030: return;
1.39 nicm 2031:
2032: tty->rupper = rupper;
2033: tty->rlower = rlower;
1.55 nicm 2034:
2035: /*
2036: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2037: * 0,0 if it is beyond the last column (they do not reset their wrap
2038: * flag so further output causes a line feed). As a workaround, do an
2039: * explicit move to 0 first.
2040: */
1.353 nicm 2041: if (tty->cx >= tty->sx) {
2042: if (tty->cy == UINT_MAX)
2043: tty_cursor(tty, 0, 0);
2044: else
2045: tty_cursor(tty, 0, tty->cy);
2046: }
1.42 nicm 2047:
1.39 nicm 2048: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2049: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2050: }
2051:
1.214 nicm 2052: /* Turn off margin. */
2053: void
2054: tty_margin_off(struct tty *tty)
2055: {
2056: tty_margin(tty, 0, tty->sx - 1);
2057: }
2058:
1.212 nicm 2059: /* Set margin inside pane. */
2060: static void
2061: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2062: {
1.372 nicm 2063: tty_margin(tty, ctx->xoff - ctx->wox,
1.373 nicm 2064: ctx->xoff + ctx->sx - 1 - ctx->wox);
1.212 nicm 2065: }
2066:
2067: /* Set margin at absolute position. */
1.214 nicm 2068: static void
1.212 nicm 2069: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2070: {
2071: if (!tty_use_margin(tty))
2072: return;
2073: if (tty->rleft == rleft && tty->rright == rright)
2074: return;
2075:
1.232 nicm 2076: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2077:
1.212 nicm 2078: tty->rleft = rleft;
2079: tty->rright = rright;
2080:
1.232 nicm 2081: if (rleft == 0 && rright == tty->sx - 1)
1.365 nicm 2082: tty_putcode(tty, TTYC_CLMG);
1.232 nicm 2083: else
1.365 nicm 2084: tty_putcode2(tty, TTYC_CMG, rleft, rright);
1.249 nicm 2085: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2086: }
2087:
2088: /*
2089: * Move the cursor, unless it would wrap itself when the next character is
2090: * printed.
2091: */
2092: static void
2093: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2094: u_int cx, u_int cy)
2095: {
1.268 nicm 2096: if (!ctx->wrapped ||
1.372 nicm 2097: !tty_full_width(tty, ctx) ||
1.382 nicm 2098: (tty->term->flags & TERM_NOAM) ||
1.253 nicm 2099: ctx->xoff + cx != 0 ||
2100: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2101: tty->cx < tty->sx ||
2102: tty->cy == tty->rlower)
1.253 nicm 2103: tty_cursor_pane(tty, ctx, cx, cy);
2104: else
2105: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2106: }
2107:
1.42 nicm 2108: /* Move cursor inside pane. */
1.208 nicm 2109: static void
1.41 nicm 2110: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2111: {
1.372 nicm 2112: tty_cursor(tty, ctx->xoff + cx - ctx->wox, ctx->yoff + cy - ctx->woy);
1.41 nicm 2113: }
2114:
1.42 nicm 2115: /* Move cursor to absolute position. */
1.41 nicm 2116: void
2117: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2118: {
1.42 nicm 2119: struct tty_term *term = tty->term;
2120: u_int thisx, thisy;
2121: int change;
1.354 nicm 2122:
2123: if (tty->flags & TTY_BLOCK)
2124: return;
1.77 nicm 2125:
1.42 nicm 2126: if (cx > tty->sx - 1)
2127: cx = tty->sx - 1;
2128:
2129: thisx = tty->cx;
2130: thisy = tty->cy;
2131:
2132: /* No change. */
2133: if (cx == thisx && cy == thisy)
2134: return;
2135:
1.43 nicm 2136: /* Very end of the line, just use absolute movement. */
2137: if (thisx > tty->sx - 1)
2138: goto absolute;
2139:
1.42 nicm 2140: /* Move to home position (0, 0). */
2141: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2142: tty_putcode(tty, TTYC_HOME);
2143: goto out;
2144: }
2145:
2146: /* Zero on the next line. */
1.293 nicm 2147: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2148: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2149: tty_putc(tty, '\r');
1.42 nicm 2150: tty_putc(tty, '\n');
2151: goto out;
2152: }
2153:
1.45 nicm 2154: /* Moving column or row. */
1.42 nicm 2155: if (cy == thisy) {
1.45 nicm 2156: /*
2157: * Moving column only, row staying the same.
2158: */
2159:
1.42 nicm 2160: /* To left edge. */
1.294 nicm 2161: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2162: tty_putc(tty, '\r');
2163: goto out;
2164: }
2165:
2166: /* One to the left. */
2167: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2168: tty_putcode(tty, TTYC_CUB1);
2169: goto out;
2170: }
2171:
2172: /* One to the right. */
2173: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2174: tty_putcode(tty, TTYC_CUF1);
2175: goto out;
2176: }
2177:
2178: /* Calculate difference. */
2179: change = thisx - cx; /* +ve left, -ve right */
2180:
2181: /*
2182: * Use HPA if change is larger than absolute, otherwise move
2183: * the cursor with CUB/CUF.
2184: */
1.87 nicm 2185: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2186: tty_putcode1(tty, TTYC_HPA, cx);
2187: goto out;
1.333 nicm 2188: } else if (change > 0 &&
2189: tty_term_has(term, TTYC_CUB) &&
2190: !tty_use_margin(tty)) {
1.202 nicm 2191: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2192: tty_putcode(tty, TTYC_CUB1);
2193: tty_putcode(tty, TTYC_CUB1);
2194: goto out;
2195: }
1.42 nicm 2196: tty_putcode1(tty, TTYC_CUB, change);
2197: goto out;
1.333 nicm 2198: } else if (change < 0 &&
2199: tty_term_has(term, TTYC_CUF) &&
2200: !tty_use_margin(tty)) {
1.42 nicm 2201: tty_putcode1(tty, TTYC_CUF, -change);
2202: goto out;
2203: }
1.45 nicm 2204: } else if (cx == thisx) {
2205: /*
2206: * Moving row only, column staying the same.
2207: */
1.42 nicm 2208:
2209: /* One above. */
1.77 nicm 2210: if (thisy != tty->rupper &&
1.42 nicm 2211: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2212: tty_putcode(tty, TTYC_CUU1);
2213: goto out;
2214: }
2215:
2216: /* One below. */
1.49 nicm 2217: if (thisy != tty->rlower &&
1.42 nicm 2218: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2219: tty_putcode(tty, TTYC_CUD1);
2220: goto out;
2221: }
2222:
2223: /* Calculate difference. */
2224: change = thisy - cy; /* +ve up, -ve down */
2225:
2226: /*
1.77 nicm 2227: * Try to use VPA if change is larger than absolute or if this
2228: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2229: */
1.87 nicm 2230: if ((u_int) abs(change) > cy ||
1.42 nicm 2231: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2232: (change > 0 && cy - change < tty->rupper)) {
2233: if (tty_term_has(term, TTYC_VPA)) {
2234: tty_putcode1(tty, TTYC_VPA, cy);
2235: goto out;
2236: }
1.42 nicm 2237: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2238: tty_putcode1(tty, TTYC_CUU, change);
2239: goto out;
2240: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2241: tty_putcode1(tty, TTYC_CUD, -change);
2242: goto out;
2243: }
2244: }
2245:
1.43 nicm 2246: absolute:
1.42 nicm 2247: /* Absolute movement. */
2248: tty_putcode2(tty, TTYC_CUP, cy, cx);
2249:
2250: out:
2251: tty->cx = cx;
2252: tty->cy = cy;
1.1 nicm 2253: }
2254:
2255: void
1.176 nicm 2256: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.373 nicm 2257: const struct grid_cell *defaults, int *palette)
1.1 nicm 2258: {
1.63 nicm 2259: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2260: int changed;
1.61 nicm 2261:
1.373 nicm 2262: /* Copy cell and update default colours. */
2263: memcpy(&gc2, gc, sizeof gc2);
2264: if (gc2.fg == 8)
2265: gc2.fg = defaults->fg;
2266: if (gc2.bg == 8)
2267: gc2.bg = defaults->bg;
2268:
1.228 nicm 2269: /* Ignore cell if it is the same as the last one. */
1.373 nicm 2270: if (gc2.attr == tty->last_cell.attr &&
2271: gc2.fg == tty->last_cell.fg &&
2272: gc2.bg == tty->last_cell.bg &&
2273: gc2.us == tty->last_cell.us)
1.228 nicm 2274: return;
1.63 nicm 2275:
1.18 nicm 2276: /*
2277: * If no setab, try to use the reverse attribute as a best-effort for a
2278: * non-default background. This is a bit of a hack but it doesn't do
2279: * any serious harm and makes a couple of applications happier.
2280: */
2281: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2282: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2283: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2284: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2285: } else {
1.310 nicm 2286: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2287: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2288: }
2289: }
1.1 nicm 2290:
1.85 nicm 2291: /* Fix up the colours if necessary. */
1.373 nicm 2292: tty_check_fg(tty, palette, &gc2);
2293: tty_check_bg(tty, palette, &gc2);
2294: tty_check_us(tty, palette, &gc2);
1.85 nicm 2295:
1.328 nicm 2296: /*
2297: * If any bits are being cleared or the underline colour is now default,
2298: * reset everything.
2299: */
2300: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2301: tty_reset(tty);
2302:
2303: /*
2304: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2305: * may add to (NOT remove) the desired attributes.
1.64 nicm 2306: */
1.85 nicm 2307: tty_colours(tty, &gc2);
1.64 nicm 2308:
1.1 nicm 2309: /* Filter out attribute bits already set. */
1.85 nicm 2310: changed = gc2.attr & ~tc->attr;
2311: tc->attr = gc2.attr;
1.1 nicm 2312:
2313: /* Set the attributes. */
2314: if (changed & GRID_ATTR_BRIGHT)
2315: tty_putcode(tty, TTYC_BOLD);
2316: if (changed & GRID_ATTR_DIM)
2317: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2318: if (changed & GRID_ATTR_ITALICS)
2319: tty_set_italics(tty);
1.308 nicm 2320: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2321: if ((changed & GRID_ATTR_UNDERSCORE) ||
2322: !tty_term_has(tty->term, TTYC_SMULX))
2323: tty_putcode(tty, TTYC_SMUL);
2324: else if (changed & GRID_ATTR_UNDERSCORE_2)
2325: tty_putcode1(tty, TTYC_SMULX, 2);
2326: else if (changed & GRID_ATTR_UNDERSCORE_3)
2327: tty_putcode1(tty, TTYC_SMULX, 3);
2328: else if (changed & GRID_ATTR_UNDERSCORE_4)
2329: tty_putcode1(tty, TTYC_SMULX, 4);
2330: else if (changed & GRID_ATTR_UNDERSCORE_5)
2331: tty_putcode1(tty, TTYC_SMULX, 5);
2332: }
1.1 nicm 2333: if (changed & GRID_ATTR_BLINK)
2334: tty_putcode(tty, TTYC_BLINK);
2335: if (changed & GRID_ATTR_REVERSE) {
2336: if (tty_term_has(tty->term, TTYC_REV))
2337: tty_putcode(tty, TTYC_REV);
2338: else if (tty_term_has(tty->term, TTYC_SMSO))
2339: tty_putcode(tty, TTYC_SMSO);
2340: }
2341: if (changed & GRID_ATTR_HIDDEN)
2342: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2343: if (changed & GRID_ATTR_STRIKETHROUGH)
2344: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2345: if (changed & GRID_ATTR_OVERLINE)
2346: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2347: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2348: tty_putcode(tty, TTYC_SMACS);
1.373 nicm 2349:
2350: memcpy(&tty->last_cell, &gc2, sizeof tty->last_cell);
1.1 nicm 2351: }
2352:
1.207 nicm 2353: static void
1.85 nicm 2354: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2355: {
1.61 nicm 2356: struct grid_cell *tc = &tty->cell;
1.204 nicm 2357: int have_ax;
1.61 nicm 2358:
2359: /* No changes? Nothing is necessary. */
1.328 nicm 2360: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2361: return;
1.1 nicm 2362:
1.61 nicm 2363: /*
2364: * Is either the default colour? This is handled specially because the
2365: * best solution might be to reset both colours to default, in which
2366: * case if only one is default need to fall onward to set the other
2367: * colour.
2368: */
1.310 nicm 2369: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2370: /*
2371: * If don't have AX but do have op, send sgr0 (op can't
2372: * actually be used because it is sometimes the same as sgr0
2373: * and sometimes isn't). This resets both colours to default.
2374: *
2375: * Otherwise, try to set the default colour only as needed.
2376: */
1.174 nicm 2377: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2378: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2379: tty_reset(tty);
2380: else {
1.310 nicm 2381: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2382: if (have_ax)
2383: tty_puts(tty, "\033[39m");
1.204 nicm 2384: else if (tc->fg != 7)
1.61 nicm 2385: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2386: tc->fg = gc->fg;
1.61 nicm 2387: }
1.310 nicm 2388: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2389: if (have_ax)
1.61 nicm 2390: tty_puts(tty, "\033[49m");
1.204 nicm 2391: else if (tc->bg != 0)
1.61 nicm 2392: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2393: tc->bg = gc->bg;
1.61 nicm 2394: }
2395: }
2396: }
1.1 nicm 2397:
1.61 nicm 2398: /* Set the foreground colour. */
1.310 nicm 2399: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2400: tty_colours_fg(tty, gc);
1.1 nicm 2401:
1.61 nicm 2402: /*
2403: * Set the background colour. This must come after the foreground as
2404: * tty_colour_fg() can call tty_reset().
2405: */
1.310 nicm 2406: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2407: tty_colours_bg(tty, gc);
1.328 nicm 2408:
2409: /* Set the underscore color. */
2410: if (gc->us != tc->us)
2411: tty_colours_us(tty, gc);
1.1 nicm 2412: }
2413:
1.219 nicm 2414: static void
1.373 nicm 2415: tty_check_fg(struct tty *tty, int *palette, struct grid_cell *gc)
1.85 nicm 2416: {
1.204 nicm 2417: u_char r, g, b;
2418: u_int colours;
1.223 nicm 2419: int c;
1.85 nicm 2420:
1.288 nicm 2421: /*
2422: * Perform substitution if this pane has a palette. If the bright
2423: * attribute is set, use the bright entry in the palette by changing to
2424: * the aixterm colour.
2425: */
2426: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2427: c = gc->fg;
1.289 nicm 2428: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2429: c += 90;
1.373 nicm 2430: if ((c = tty_get_palette(palette, c)) != -1)
1.288 nicm 2431: gc->fg = c;
2432: }
1.219 nicm 2433:
1.199 nicm 2434: /* Is this a 24-bit colour? */
1.204 nicm 2435: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2436: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2437: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2438: return;
1.341 nicm 2439: colour_split_rgb(gc->fg, &r, &g, &b);
2440: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2441: }
1.224 nicm 2442:
2443: /* How many colours does this terminal have? */
1.359 nicm 2444: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2445: colours = 256;
2446: else
2447: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2448:
1.85 nicm 2449: /* Is this a 256-colour colour? */
1.204 nicm 2450: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2451: /* And not a 256 colour mode? */
1.224 nicm 2452: if (colours != 256) {
1.85 nicm 2453: gc->fg = colour_256to16(gc->fg);
2454: if (gc->fg & 8) {
2455: gc->fg &= 7;
1.175 nicm 2456: if (colours >= 16)
2457: gc->fg += 90;
1.332 nicm 2458: }
1.85 nicm 2459: }
2460: return;
2461: }
2462:
2463: /* Is this an aixterm colour? */
2464: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2465: gc->fg -= 90;
2466: gc->attr |= GRID_ATTR_BRIGHT;
2467: }
2468: }
2469:
1.219 nicm 2470: static void
1.373 nicm 2471: tty_check_bg(struct tty *tty, int *palette, struct grid_cell *gc)
1.85 nicm 2472: {
1.204 nicm 2473: u_char r, g, b;
2474: u_int colours;
1.223 nicm 2475: int c;
1.85 nicm 2476:
1.288 nicm 2477: /* Perform substitution if this pane has a palette. */
2478: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.373 nicm 2479: if ((c = tty_get_palette(palette, gc->bg)) != -1)
1.288 nicm 2480: gc->bg = c;
2481: }
1.219 nicm 2482:
1.199 nicm 2483: /* Is this a 24-bit colour? */
1.204 nicm 2484: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2485: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2486: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2487: return;
1.341 nicm 2488: colour_split_rgb(gc->bg, &r, &g, &b);
2489: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2490: }
1.224 nicm 2491:
2492: /* How many colours does this terminal have? */
1.359 nicm 2493: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2494: colours = 256;
2495: else
2496: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2497:
1.85 nicm 2498: /* Is this a 256-colour colour? */
1.204 nicm 2499: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2500: /*
2501: * And not a 256 colour mode? Translate to 16-colour
2502: * palette. Bold background doesn't exist portably, so just
2503: * discard the bold bit if set.
2504: */
1.224 nicm 2505: if (colours != 256) {
1.85 nicm 2506: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2507: if (gc->bg & 8) {
1.85 nicm 2508: gc->bg &= 7;
1.175 nicm 2509: if (colours >= 16)
1.322 nicm 2510: gc->bg += 90;
1.175 nicm 2511: }
1.85 nicm 2512: }
2513: return;
2514: }
2515:
2516: /* Is this an aixterm colour? */
1.175 nicm 2517: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2518: gc->bg -= 90;
2519: }
2520:
1.207 nicm 2521: static void
1.373 nicm 2522: tty_check_us(__unused struct tty *tty, int *palette, struct grid_cell *gc)
1.328 nicm 2523: {
2524: int c;
2525:
2526: /* Perform substitution if this pane has a palette. */
2527: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.373 nicm 2528: if ((c = tty_get_palette(palette, gc->us)) != -1)
1.328 nicm 2529: gc->us = c;
2530: }
2531:
2532: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2533: if (gc->us & COLOUR_FLAG_256)
2534: gc->us = colour_256toRGB (gc->us);
2535: }
2536:
2537: static void
1.85 nicm 2538: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2539: {
1.61 nicm 2540: struct grid_cell *tc = &tty->cell;
1.79 nicm 2541: char s[32];
1.1 nicm 2542:
1.204 nicm 2543: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2544: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2545: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 2546: goto save_fg;
1.199 nicm 2547: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2548: return;
1.1 nicm 2549: }
2550:
1.79 nicm 2551: /* Is this an aixterm bright colour? */
1.204 nicm 2552: if (gc->fg >= 90 && gc->fg <= 97) {
1.359 nicm 2553: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2554: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2555: tty_puts(tty, s);
2556: } else
2557: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.85 nicm 2558: goto save_fg;
1.79 nicm 2559: }
2560:
1.61 nicm 2561: /* Otherwise set the foreground colour. */
1.204 nicm 2562: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2563:
1.77 nicm 2564: save_fg:
1.61 nicm 2565: /* Save the new values in the terminal current cell. */
1.204 nicm 2566: tc->fg = gc->fg;
1.1 nicm 2567: }
2568:
1.207 nicm 2569: static void
1.73 nicm 2570: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2571: {
1.61 nicm 2572: struct grid_cell *tc = &tty->cell;
1.79 nicm 2573: char s[32];
1.1 nicm 2574:
1.204 nicm 2575: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2576: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2577: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 2578: goto save_bg;
1.199 nicm 2579: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2580: return;
1.79 nicm 2581: }
2582:
2583: /* Is this an aixterm bright colour? */
1.204 nicm 2584: if (gc->bg >= 90 && gc->bg <= 97) {
1.359 nicm 2585: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2586: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2587: tty_puts(tty, s);
2588: } else
2589: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.175 nicm 2590: goto save_bg;
1.1 nicm 2591: }
2592:
1.61 nicm 2593: /* Otherwise set the background colour. */
1.204 nicm 2594: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2595:
2596: save_bg:
2597: /* Save the new values in the terminal current cell. */
1.204 nicm 2598: tc->bg = gc->bg;
1.328 nicm 2599: }
2600:
2601: static void
2602: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2603: {
2604: struct grid_cell *tc = &tty->cell;
2605: u_int c;
2606: u_char r, g, b;
2607:
2608: /* Must be an RGB colour - this should never happen. */
2609: if (~gc->us & COLOUR_FLAG_RGB)
2610: return;
2611:
2612: /*
2613: * Setulc follows the ncurses(3) one argument "direct colour"
2614: * capability format. Calculate the colour value.
2615: */
2616: colour_split_rgb(gc->us, &r, &g, &b);
2617: c = (65536 * r) + (256 * g) + b;
2618:
2619: /* Write the colour. */
2620: tty_putcode1(tty, TTYC_SETULC, c);
2621:
2622: /* Save the new values in the terminal current cell. */
2623: tc->us = gc->us;
1.61 nicm 2624: }
2625:
1.207 nicm 2626: static int
1.204 nicm 2627: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2628: {
1.204 nicm 2629: u_char r, g, b;
1.61 nicm 2630:
1.204 nicm 2631: if (colour & COLOUR_FLAG_256) {
1.359 nicm 2632: if (*type == '3' && tty_term_has(tty->term, TTYC_SETAF))
2633: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2634: else if (tty_term_has(tty->term, TTYC_SETAB))
2635: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2636: return (0);
1.204 nicm 2637: }
2638:
2639: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2640: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.359 nicm 2641: if (*type == '3' && tty_term_has(tty->term, TTYC_SETRGBF))
1.286 nicm 2642: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
1.359 nicm 2643: else if (tty_term_has(tty->term, TTYC_SETRGBB))
1.286 nicm 2644: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
1.165 nicm 2645: return (0);
2646: }
1.61 nicm 2647:
1.165 nicm 2648: return (-1);
1.176 nicm 2649: }
2650:
1.207 nicm 2651: static void
1.371 nicm 2652: tty_window_default_style(struct grid_cell *gc, struct window_pane *wp)
2653: {
2654: memcpy(gc, &grid_default_cell, sizeof *gc);
2655: gc->fg = wp->fg;
2656: gc->bg = wp->bg;
2657: }
2658:
1.373 nicm 2659: void
1.317 nicm 2660: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2661: {
1.326 nicm 2662: struct options *oo = wp->options;
1.373 nicm 2663:
2664: memcpy(gc, &grid_default_cell, sizeof *gc);
1.326 nicm 2665:
2666: if (wp->flags & PANE_STYLECHANGED) {
2667: wp->flags &= ~PANE_STYLECHANGED;
1.371 nicm 2668:
2669: tty_window_default_style(&wp->cached_active_gc, wp);
2670: style_add(&wp->cached_active_gc, oo, "window-active-style",
2671: NULL);
2672: tty_window_default_style(&wp->cached_gc, wp);
2673: style_add(&wp->cached_gc, oo, "window-style", NULL);
1.203 nicm 2674: }
1.176 nicm 2675:
1.204 nicm 2676: if (gc->fg == 8) {
1.370 nicm 2677: if (wp == wp->window->active && wp->cached_active_gc.fg != 8)
2678: gc->fg = wp->cached_active_gc.fg;
1.204 nicm 2679: else
1.370 nicm 2680: gc->fg = wp->cached_gc.fg;
1.176 nicm 2681: }
2682:
1.204 nicm 2683: if (gc->bg == 8) {
1.370 nicm 2684: if (wp == wp->window->active && wp->cached_active_gc.bg != 8)
2685: gc->bg = wp->cached_active_gc.bg;
1.204 nicm 2686: else
1.370 nicm 2687: gc->bg = wp->cached_gc.bg;
1.176 nicm 2688: }
1.210 nicm 2689: }
2690:
2691: static void
1.373 nicm 2692: tty_default_attributes(struct tty *tty, const struct grid_cell *defaults,
2693: int *palette, u_int bg)
1.210 nicm 2694: {
1.373 nicm 2695: struct grid_cell gc;
1.210 nicm 2696:
2697: memcpy(&gc, &grid_default_cell, sizeof gc);
2698: gc.bg = bg;
1.373 nicm 2699: tty_attributes(tty, &gc, defaults, palette);
1.1 nicm 2700: }
![[BACK]](/icons/back.gif){kind=icon}
Return to tty.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / tmux