Annotation of src/usr.bin/tmux/tty.c, Revision 1.388
1.388 ! nicm 1: /* $OpenBSD: tty.c,v 1.387 2020/12/03 07:12:12 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)) {
1.386 nicm 697: /*
698: * If the mouse modes have changed, clear any that are set and
699: * apply again. There are differences in how terminals track
700: * the various bits.
701: */
702: if (tty->mode & MODE_MOUSE_SGR)
1.344 nicm 703: tty_puts(tty, "\033[?1006l");
1.386 nicm 704: if (tty->mode & MODE_MOUSE_STANDARD)
1.344 nicm 705: tty_puts(tty, "\033[?1000l");
1.386 nicm 706: if (tty->mode & MODE_MOUSE_BUTTON)
1.344 nicm 707: tty_puts(tty, "\033[?1002l");
1.386 nicm 708: if (tty->mode & MODE_MOUSE_ALL)
1.344 nicm 709: tty_puts(tty, "\033[?1003l");
710: if (mode & ALL_MOUSE_MODES)
1.153 nicm 711: tty_puts(tty, "\033[?1006h");
1.386 nicm 712: if (mode & MODE_MOUSE_STANDARD)
1.344 nicm 713: tty_puts(tty, "\033[?1000h");
1.386 nicm 714: if (mode & MODE_MOUSE_BUTTON)
1.344 nicm 715: tty_puts(tty, "\033[?1002h");
1.386 nicm 716: if (mode & MODE_MOUSE_ALL)
1.344 nicm 717: tty_puts(tty, "\033[?1003h");
1.115 nicm 718: }
719: if (changed & MODE_BRACKETPASTE) {
720: if (mode & MODE_BRACKETPASTE)
1.366 nicm 721: tty_putcode(tty, TTYC_ENBP);
1.115 nicm 722: else
1.366 nicm 723: tty_putcode(tty, TTYC_DSBP);
1.1 nicm 724: }
725: tty->mode = mode;
726: }
727:
1.207 nicm 728: static void
1.168 nicm 729: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
730: enum tty_code_code code1, u_int n)
1.1 nicm 731: {
732: if (tty_term_has(tty->term, code))
733: tty_putcode1(tty, code, n);
734: else {
735: while (n-- > 0)
736: tty_putcode(tty, code1);
737: }
738: }
739:
1.207 nicm 740: static void
1.133 nicm 741: tty_repeat_space(struct tty *tty, u_int n)
742: {
1.257 nicm 743: static char s[500];
744:
745: if (*s != ' ')
746: memset(s, ' ', sizeof s);
747:
748: while (n > sizeof s) {
749: tty_putn(tty, s, sizeof s, sizeof s);
750: n -= sizeof s;
751: }
752: if (n != 0)
753: tty_putn(tty, s, n, n);
1.304 nicm 754: }
755:
1.309 nicm 756: /* Is this window bigger than the terminal? */
757: int
758: tty_window_bigger(struct tty *tty)
759: {
760: struct client *c = tty->client;
761: struct window *w = c->session->curw->window;
762:
763: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
764: }
765:
766: /* What offset should this window be drawn at? */
767: int
768: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
769: {
770: *ox = tty->oox;
771: *oy = tty->ooy;
772: *sx = tty->osx;
773: *sy = tty->osy;
774:
775: return (tty->oflag);
776: }
777:
778: /* What offset should this window be drawn at? */
779: static int
780: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
781: {
782: struct client *c = tty->client;
783: struct window *w = c->session->curw->window;
1.376 nicm 784: struct window_pane *wp = server_client_get_pane(c);
1.309 nicm 785: u_int cx, cy, lines;
786:
787: lines = status_line_size(c);
788:
789: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
790: *ox = 0;
791: *oy = 0;
792: *sx = w->sx;
793: *sy = w->sy;
794:
795: c->pan_window = NULL;
796: return (0);
797: }
798:
799: *sx = tty->sx;
800: *sy = tty->sy - lines;
801:
802: if (c->pan_window == w) {
803: if (*sx >= w->sx)
804: c->pan_ox = 0;
805: else if (c->pan_ox + *sx > w->sx)
806: c->pan_ox = w->sx - *sx;
807: *ox = c->pan_ox;
808: if (*sy >= w->sy)
809: c->pan_oy = 0;
810: else if (c->pan_oy + *sy > w->sy)
811: c->pan_oy = w->sy - *sy;
812: *oy = c->pan_oy;
813: return (1);
814: }
815:
816: if (~wp->screen->mode & MODE_CURSOR) {
817: *ox = 0;
818: *oy = 0;
819: } else {
820: cx = wp->xoff + wp->screen->cx;
821: cy = wp->yoff + wp->screen->cy;
822:
823: if (cx < *sx)
824: *ox = 0;
825: else if (cx > w->sx - *sx)
826: *ox = w->sx - *sx;
827: else
828: *ox = cx - *sx / 2;
829:
830: if (cy < *sy)
831: *oy = 0;
832: else if (cy > w->sy - *sy)
833: *oy = w->sy - *sy;
834: else
835: *oy = cy - *sy / 2;
836: }
837:
838: c->pan_window = NULL;
839: return (1);
840: }
841:
842: /* Update stored offsets for a window and redraw if necessary. */
843: void
844: tty_update_window_offset(struct window *w)
845: {
846: struct client *c;
847:
848: TAILQ_FOREACH(c, &clients, entry) {
849: if (c->session != NULL && c->session->curw->window == w)
850: tty_update_client_offset(c);
851: }
852: }
853:
854: /* Update stored offsets for a client and redraw if necessary. */
855: void
856: tty_update_client_offset(struct client *c)
1.304 nicm 857: {
1.309 nicm 858: u_int ox, oy, sx, sy;
1.314 nicm 859:
860: if (~c->flags & CLIENT_TERMINAL)
861: return;
1.304 nicm 862:
1.309 nicm 863: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
864: if (ox == c->tty.oox &&
865: oy == c->tty.ooy &&
866: sx == c->tty.osx &&
867: sy == c->tty.osy)
868: return;
869:
870: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
871: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
872: ox, oy, sx, sy);
873:
874: c->tty.oox = ox;
875: c->tty.ooy = oy;
876: c->tty.osx = sx;
877: c->tty.osy = sy;
878:
879: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 880: }
881:
1.373 nicm 882: /* Get a palette entry. */
883: static int
884: tty_get_palette(int *palette, int c)
885: {
886: int new;
887:
888: if (palette == NULL)
889: return (-1);
890:
891: new = -1;
892: if (c < 8)
893: new = palette[c];
894: else if (c >= 90 && c <= 97)
895: new = palette[8 + c - 90];
896: else if (c & COLOUR_FLAG_256)
897: new = palette[c & ~COLOUR_FLAG_256];
898: if (new == 0)
899: return (-1);
900: return (new);
901: }
902:
1.1 nicm 903: /*
1.119 nicm 904: * Is the region large enough to be worth redrawing once later rather than
905: * probably several times now? Currently yes if it is more than 50% of the
906: * pane.
907: */
1.207 nicm 908: static int
1.194 nicm 909: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 910: {
1.372 nicm 911: return (ctx->orlower - ctx->orupper >= ctx->sy / 2);
1.119 nicm 912: }
913:
914: /*
1.176 nicm 915: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
916: * emulated.
917: */
1.207 nicm 918: static int
1.373 nicm 919: tty_fake_bce(const struct tty *tty, const struct grid_cell *gc, u_int bg)
1.176 nicm 920: {
1.210 nicm 921: if (tty_term_flag(tty->term, TTYC_BCE))
922: return (0);
1.373 nicm 923: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc->bg))
1.210 nicm 924: return (1);
925: return (0);
1.176 nicm 926: }
927:
928: /*
1.1 nicm 929: * Redraw scroll region using data from screen (already updated). Used when
930: * CSR not supported, or window is a pane that doesn't take up the full
931: * width of the terminal.
932: */
1.207 nicm 933: static void
1.24 nicm 934: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 935: {
1.358 nicm 936: struct client *c = tty->client;
1.204 nicm 937: u_int i;
1.1 nicm 938:
939: /*
1.373 nicm 940: * If region is large, schedule a redraw. In most cases this is likely
941: * to be followed by some more scrolling.
1.1 nicm 942: */
1.119 nicm 943: if (tty_large_region(tty, ctx)) {
1.373 nicm 944: log_debug("%s: %s large redraw", __func__, c->name);
945: ctx->redraw_cb(ctx);
1.1 nicm 946: return;
947: }
948:
1.14 nicm 949: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
1.372 nicm 950: for (i = ctx->ocy; i < ctx->sy; i++)
1.309 nicm 951: tty_draw_pane(tty, ctx, i);
1.1 nicm 952: } else {
1.14 nicm 953: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.309 nicm 954: tty_draw_pane(tty, ctx, i);
1.1 nicm 955: }
956: }
957:
1.309 nicm 958: /* Is this position visible in the pane? */
959: static int
1.374 nicm 960: tty_is_visible(__unused struct tty *tty, const struct tty_ctx *ctx, u_int px,
961: u_int py, u_int nx, u_int ny)
1.309 nicm 962: {
1.374 nicm 963: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 964:
965: if (!ctx->bigger)
966: return (1);
967:
1.372 nicm 968: if (xoff + nx <= ctx->wox || xoff >= ctx->wox + ctx->wsx ||
1.374 nicm 969: yoff + ny <= ctx->woy || yoff >= ctx->woy + ctx->wsy)
1.309 nicm 970: return (0);
971: return (1);
972: }
973:
974: /* Clamp line position to visible part of pane. */
975: static int
976: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
977: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
978: {
1.373 nicm 979: u_int xoff = ctx->rxoff + px;
1.309 nicm 980:
981: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
982: return (0);
1.372 nicm 983: *ry = ctx->yoff + py - ctx->woy;
1.309 nicm 984:
1.372 nicm 985: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 986: /* All visible. */
987: *i = 0;
1.372 nicm 988: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 989: *rx = nx;
1.372 nicm 990: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 991: /* Both left and right not visible. */
1.372 nicm 992: *i = ctx->wox;
1.309 nicm 993: *x = 0;
1.372 nicm 994: *rx = ctx->wsx;
995: } else if (xoff < ctx->wox) {
1.309 nicm 996: /* Left not visible. */
1.372 nicm 997: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 998: *x = 0;
999: *rx = nx - *i;
1000: } else {
1001: /* Right not visible. */
1002: *i = 0;
1.372 nicm 1003: *x = (ctx->xoff + px) - ctx->wox;
1004: *rx = ctx->wsx - *x;
1.309 nicm 1005: }
1006: if (*rx > nx)
1007: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1008:
1009: return (1);
1010: }
1011:
1012: /* Clear a line. */
1.271 nicm 1013: static void
1.373 nicm 1014: tty_clear_line(struct tty *tty, const struct grid_cell *defaults, u_int py,
1015: u_int px, u_int nx, u_int bg)
1.271 nicm 1016: {
1.309 nicm 1017: struct client *c = tty->client;
1018:
1019: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1020:
1021: /* Nothing to clear. */
1022: if (nx == 0)
1023: return;
1024:
1025: /* If genuine BCE is available, can try escape sequences. */
1.373 nicm 1026: if (!tty_fake_bce(tty, defaults, bg)) {
1.271 nicm 1027: /* Off the end of the line, use EL if available. */
1028: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1029: tty_cursor(tty, px, py);
1030: tty_putcode(tty, TTYC_EL);
1031: return;
1032: }
1033:
1034: /* At the start of the line. Use EL1. */
1035: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1036: tty_cursor(tty, px + nx - 1, py);
1037: tty_putcode(tty, TTYC_EL1);
1038: return;
1039: }
1040:
1041: /* Section of line. Use ECH if possible. */
1042: if (tty_term_has(tty->term, TTYC_ECH)) {
1043: tty_cursor(tty, px, py);
1044: tty_putcode1(tty, TTYC_ECH, nx);
1045: return;
1046: }
1047: }
1048:
1049: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 1050: tty_cursor(tty, px, py);
1.271 nicm 1051: tty_repeat_space(tty, nx);
1052: }
1053:
1.309 nicm 1054: /* Clear a line, adjusting to visible part of pane. */
1055: static void
1056: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1057: u_int px, u_int nx, u_int bg)
1058: {
1059: struct client *c = tty->client;
1060: u_int i, x, rx, ry;
1061:
1062: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1063:
1064: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1.373 nicm 1065: tty_clear_line(tty, &ctx->defaults, ry, x, rx, bg);
1.309 nicm 1066: }
1067:
1068: /* Clamp area position to visible part of pane. */
1069: static int
1070: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1071: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1072: u_int *ry)
1073: {
1.373 nicm 1074: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1075:
1076: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1077: return (0);
1078:
1.372 nicm 1079: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1080: /* All visible. */
1081: *i = 0;
1.372 nicm 1082: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1083: *rx = nx;
1.372 nicm 1084: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1085: /* Both left and right not visible. */
1.372 nicm 1086: *i = ctx->wox;
1.309 nicm 1087: *x = 0;
1.372 nicm 1088: *rx = ctx->wsx;
1089: } else if (xoff < ctx->wox) {
1.309 nicm 1090: /* Left not visible. */
1.372 nicm 1091: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1092: *x = 0;
1093: *rx = nx - *i;
1094: } else {
1095: /* Right not visible. */
1096: *i = 0;
1.372 nicm 1097: *x = (ctx->xoff + px) - ctx->wox;
1098: *rx = ctx->wsx - *x;
1.309 nicm 1099: }
1100: if (*rx > nx)
1101: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1102:
1.372 nicm 1103: if (yoff >= ctx->woy && yoff + ny <= ctx->woy + ctx->wsy) {
1.309 nicm 1104: /* All visible. */
1105: *j = 0;
1.372 nicm 1106: *y = ctx->yoff + py - ctx->woy;
1.309 nicm 1107: *ry = ny;
1.372 nicm 1108: } else if (yoff < ctx->woy && yoff + ny > ctx->woy + ctx->wsy) {
1.327 nicm 1109: /* Both top and bottom not visible. */
1.372 nicm 1110: *j = ctx->woy;
1.309 nicm 1111: *y = 0;
1.372 nicm 1112: *ry = ctx->wsy;
1113: } else if (yoff < ctx->woy) {
1.327 nicm 1114: /* Top not visible. */
1.372 nicm 1115: *j = ctx->woy - (ctx->yoff + py);
1.309 nicm 1116: *y = 0;
1117: *ry = ny - *j;
1118: } else {
1.327 nicm 1119: /* Bottom not visible. */
1.309 nicm 1120: *j = 0;
1.372 nicm 1121: *y = (ctx->yoff + py) - ctx->woy;
1122: *ry = ctx->wsy - *y;
1.309 nicm 1123: }
1124: if (*ry > ny)
1125: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1126:
1127: return (1);
1128: }
1129:
1130: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1131: static void
1.373 nicm 1132: tty_clear_area(struct tty *tty, const struct grid_cell *defaults, u_int py,
1133: u_int ny, u_int px, u_int nx, u_int bg)
1.271 nicm 1134: {
1.309 nicm 1135: struct client *c = tty->client;
1136: u_int yy;
1137: char tmp[64];
1.271 nicm 1138:
1.309 nicm 1139: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1140:
1141: /* Nothing to clear. */
1142: if (nx == 0 || ny == 0)
1143: return;
1144:
1145: /* If genuine BCE is available, can try escape sequences. */
1.373 nicm 1146: if (!tty_fake_bce(tty, defaults, bg)) {
1.276 nicm 1147: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1148: if (px == 0 &&
1149: px + nx >= tty->sx &&
1150: py + ny >= tty->sy &&
1151: tty_term_has(tty->term, TTYC_ED)) {
1152: tty_cursor(tty, 0, py);
1153: tty_putcode(tty, TTYC_ED);
1.274 nicm 1154: return;
1155: }
1156:
1157: /*
1.276 nicm 1158: * On VT420 compatible terminals we can use DECFRA if the
1159: * background colour isn't default (because it doesn't work
1160: * after SGR 0).
1.274 nicm 1161: */
1.359 nicm 1162: if ((tty->term->flags & TERM_DECFRA) && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1163: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1164: py + 1, px + 1, py + ny, px + nx);
1165: tty_puts(tty, tmp);
1.276 nicm 1166: return;
1167: }
1168:
1.280 nicm 1169: /* Full lines can be scrolled away to clear them. */
1170: if (px == 0 &&
1.281 nicm 1171: px + nx >= tty->sx &&
1.280 nicm 1172: ny > 2 &&
1173: tty_term_has(tty->term, TTYC_CSR) &&
1174: tty_term_has(tty->term, TTYC_INDN)) {
1175: tty_region(tty, py, py + ny - 1);
1176: tty_margin_off(tty);
1.284 nicm 1177: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1178: return;
1179: }
1180:
1.276 nicm 1181: /*
1182: * If margins are supported, can just scroll the area off to
1183: * clear it.
1184: */
1.277 nicm 1185: if (nx > 2 &&
1186: ny > 2 &&
1.280 nicm 1187: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1188: tty_use_margin(tty) &&
1189: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1190: tty_region(tty, py, py + ny - 1);
1191: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1192: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1193: return;
1194: }
1195: }
1196:
1197: /* Couldn't use an escape sequence, loop over the lines. */
1198: for (yy = py; yy < py + ny; yy++)
1.373 nicm 1199: tty_clear_line(tty, defaults, yy, px, nx, bg);
1.271 nicm 1200: }
1201:
1.309 nicm 1202: /* Clear an area in a pane. */
1203: static void
1204: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1205: u_int ny, u_int px, u_int nx, u_int bg)
1206: {
1207: u_int i, j, x, y, rx, ry;
1208:
1209: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1.373 nicm 1210: tty_clear_area(tty, &ctx->defaults, y, ry, x, rx, bg);
1.309 nicm 1211: }
1212:
1213: static void
1214: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1215: {
1.373 nicm 1216: struct screen *s = ctx->s;
1217: u_int nx = ctx->sx, i, x, rx, ry;
1.309 nicm 1218:
1219: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1220:
1221: if (!ctx->bigger) {
1.373 nicm 1222: tty_draw_line(tty, s, 0, py, nx, ctx->xoff, ctx->yoff + py,
1223: &ctx->defaults, ctx->palette);
1.309 nicm 1224: return;
1225: }
1.373 nicm 1226: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry)) {
1227: tty_draw_line(tty, s, i, py, rx, x, ry, &ctx->defaults,
1228: ctx->palette);
1229: }
1.176 nicm 1230: }
1231:
1.298 nicm 1232: static const struct grid_cell *
1233: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1234: {
1235: static struct grid_cell new;
1.377 nicm 1236: int c;
1.298 nicm 1237:
1238: /* Characters less than 0x7f are always fine, no matter what. */
1239: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1240: return (gc);
1241:
1242: /* UTF-8 terminal and a UTF-8 character - fine. */
1.359 nicm 1243: if (tty->client->flags & CLIENT_UTF8)
1.298 nicm 1244: return (gc);
1.377 nicm 1245: memcpy(&new, gc, sizeof new);
1246:
1247: /* See if this can be mapped to an ACS character. */
1248: c = tty_acs_reverse_get(tty, gc->data.data, gc->data.size);
1249: if (c != -1) {
1250: utf8_set(&new.data, c);
1251: new.attr |= GRID_ATTR_CHARSET;
1252: return (&new);
1253: }
1.298 nicm 1254:
1255: /* Replace by the right number of underscores. */
1.377 nicm 1256: new.data.size = gc->data.width;
1257: if (new.data.size > UTF8_SIZE)
1258: new.data.size = UTF8_SIZE;
1259: memset(new.data.data, '_', new.data.size);
1.298 nicm 1260: return (&new);
1261: }
1262:
1.346 nicm 1263: static int
1264: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1265: {
1266: struct client *c = tty->client;
1267:
1268: if (c->overlay_check == NULL)
1269: return (1);
1270: return (c->overlay_check(c, px, py));
1271: }
1272:
1.176 nicm 1273: void
1.373 nicm 1274: tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
1275: u_int atx, u_int aty, const struct grid_cell *defaults, int *palette)
1.1 nicm 1276: {
1.297 nicm 1277: struct grid *gd = s->grid;
1.250 nicm 1278: struct grid_cell gc, last;
1.298 nicm 1279: const struct grid_cell *gcp;
1.309 nicm 1280: struct grid_line *gl;
1281: u_int i, j, ux, sx, width;
1.329 nicm 1282: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1283: char buf[512];
1.315 nicm 1284: size_t len;
1.303 nicm 1285: u_int cellsize;
1.1 nicm 1286:
1.309 nicm 1287: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1288: px, py, nx, atx, aty);
1289:
1290: /*
1291: * py is the line in the screen to draw.
1292: * px is the start x and nx is the width to draw.
1293: * atx,aty is the line on the terminal to draw it.
1294: */
1295:
1.259 nicm 1296: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1297: tty->flags |= TTY_NOCURSOR;
1298: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1299:
1.214 nicm 1300: tty_region_off(tty);
1301: tty_margin_off(tty);
1302:
1.273 nicm 1303: /*
1304: * Clamp the width to cellsize - note this is not cellused, because
1305: * there may be empty background cells after it (from BCE).
1306: */
1.1 nicm 1307: sx = screen_size_x(s);
1.309 nicm 1308: if (nx > sx)
1309: nx = sx;
1.303 nicm 1310: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1311: if (sx > cellsize)
1312: sx = cellsize;
1.1 nicm 1313: if (sx > tty->sx)
1314: sx = tty->sx;
1.309 nicm 1315: if (sx > nx)
1316: sx = nx;
1.292 nicm 1317: ux = 0;
1.1 nicm 1318:
1.309 nicm 1319: if (py == 0)
1320: gl = NULL;
1321: else
1322: gl = grid_get_line(gd, gd->hsize + py - 1);
1.373 nicm 1323: if (gl == NULL ||
1.309 nicm 1324: (~gl->flags & GRID_LINE_WRAPPED) ||
1325: atx != 0 ||
1.268 nicm 1326: tty->cx < tty->sx ||
1.309 nicm 1327: nx < tty->sx) {
1328: if (nx < tty->sx &&
1329: atx == 0 &&
1330: px + sx != nx &&
1.268 nicm 1331: tty_term_has(tty->term, TTYC_EL1) &&
1.373 nicm 1332: !tty_fake_bce(tty, defaults, 8)) {
1333: tty_default_attributes(tty, defaults, palette, 8);
1.309 nicm 1334: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1335: tty_putcode(tty, TTYC_EL1);
1336: cleared = 1;
1337: }
1.329 nicm 1338: } else {
1.309 nicm 1339: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1340: wrapped = 1;
1341: }
1.250 nicm 1342:
1343: memcpy(&last, &grid_default_cell, sizeof last);
1344: len = 0;
1345: width = 0;
1.46 nicm 1346:
1.1 nicm 1347: for (i = 0; i < sx; i++) {
1.309 nicm 1348: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1349: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1350: if (len != 0 &&
1.346 nicm 1351: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1352: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1353: gcp->flags != last.flags ||
1354: gcp->attr != last.attr ||
1355: gcp->fg != last.fg ||
1356: gcp->bg != last.bg ||
1.328 nicm 1357: gcp->us != last.us ||
1.315 nicm 1358: ux + width + gcp->data.width > nx ||
1.298 nicm 1359: (sizeof buf) - len < gcp->data.size)) {
1.373 nicm 1360: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1361: if (last.flags & GRID_FLAG_CLEARED) {
1362: log_debug("%s: %zu cleared", __func__, len);
1.373 nicm 1363: tty_clear_line(tty, defaults, aty, atx + ux,
1364: width, last.bg);
1.315 nicm 1365: } else {
1.329 nicm 1366: if (!wrapped || atx != 0 || ux != 0)
1367: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1368: tty_putn(tty, buf, len, width);
1369: }
1.292 nicm 1370: ux += width;
1.250 nicm 1371:
1372: len = 0;
1373: width = 0;
1.329 nicm 1374: wrapped = 0;
1.250 nicm 1375: }
1376:
1.298 nicm 1377: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1378: screen_select_cell(s, &last, gcp);
1.250 nicm 1379: else
1.299 nicm 1380: memcpy(&last, gcp, sizeof last);
1.381 nicm 1381: if (!tty_check_overlay(tty, atx + ux, aty)) {
1382: if (~gcp->flags & GRID_FLAG_PADDING)
1383: ux += gcp->data.width;
1384: } else if (ux + gcp->data.width > nx) {
1.373 nicm 1385: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1386: tty_cursor(tty, atx + ux, aty);
1.298 nicm 1387: for (j = 0; j < gcp->data.width; j++) {
1.309 nicm 1388: if (ux + j > nx)
1.297 nicm 1389: break;
1390: tty_putc(tty, ' ');
1391: ux++;
1392: }
1.299 nicm 1393: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1.373 nicm 1394: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1395: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1396: for (j = 0; j < gcp->data.size; j++)
1397: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1398: ux += gcp->data.width;
1.381 nicm 1399: } else if (~gcp->flags & GRID_FLAG_PADDING) {
1.298 nicm 1400: memcpy(buf + len, gcp->data.data, gcp->data.size);
1401: len += gcp->data.size;
1402: width += gcp->data.width;
1.250 nicm 1403: }
1404: }
1.315 nicm 1405: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.373 nicm 1406: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1407: if (last.flags & GRID_FLAG_CLEARED) {
1408: log_debug("%s: %zu cleared (end)", __func__, len);
1.373 nicm 1409: tty_clear_line(tty, defaults, aty, atx + ux, width,
1410: last.bg);
1.315 nicm 1411: } else {
1.329 nicm 1412: if (!wrapped || atx != 0 || ux != 0)
1413: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1414: tty_putn(tty, buf, len, width);
1415: }
1.315 nicm 1416: ux += width;
1.1 nicm 1417: }
1418:
1.309 nicm 1419: if (!cleared && ux < nx) {
1.315 nicm 1420: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1421: nx - ux, len);
1.373 nicm 1422: tty_default_attributes(tty, defaults, palette, 8);
1423: tty_clear_line(tty, defaults, aty, atx + ux, nx - ux, 8);
1.35 nicm 1424: }
1.1 nicm 1425:
1.181 nicm 1426: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1427: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1428: }
1429:
1.348 nicm 1430: void
1431: tty_sync_start(struct tty *tty)
1432: {
1.361 nicm 1433: if (tty->flags & TTY_BLOCK)
1434: return;
1435: if (tty->flags & TTY_SYNCING)
1436: return;
1437: tty->flags |= TTY_SYNCING;
1438:
1439: if (tty_term_has(tty->term, TTYC_SYNC)) {
1440: log_debug("%s sync start", tty->client->name);
1.360 nicm 1441: tty_putcode1(tty, TTYC_SYNC, 1);
1.357 nicm 1442: }
1.348 nicm 1443: }
1444:
1445: void
1446: tty_sync_end(struct tty *tty)
1447: {
1.361 nicm 1448: if (tty->flags & TTY_BLOCK)
1449: return;
1450: if (~tty->flags & TTY_SYNCING)
1451: return;
1452: tty->flags &= ~TTY_SYNCING;
1453:
1454: if (tty_term_has(tty->term, TTYC_SYNC)) {
1455: log_debug("%s sync end", tty->client->name);
1.360 nicm 1456: tty_putcode1(tty, TTYC_SYNC, 2);
1.357 nicm 1457: }
1.348 nicm 1458: }
1459:
1.201 nicm 1460: static int
1.373 nicm 1461: tty_client_ready(struct client *c)
1.182 nicm 1462: {
1463: if (c->session == NULL || c->tty.term == NULL)
1464: return (0);
1.305 nicm 1465: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1466: return (0);
1467: if (c->tty.flags & TTY_FREEZE)
1468: return (0);
1469: return (1);
1470: }
1471:
1.15 nicm 1472: void
1.182 nicm 1473: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1474: struct tty_ctx *ctx)
1.15 nicm 1475: {
1.373 nicm 1476: struct client *c;
1477: int state;
1.15 nicm 1478:
1.373 nicm 1479: if (ctx->set_client_cb == NULL)
1.15 nicm 1480: return;
1.178 nicm 1481: TAILQ_FOREACH(c, &clients, entry) {
1.373 nicm 1482: if (!tty_client_ready(c))
1.15 nicm 1483: continue;
1.373 nicm 1484: state = ctx->set_client_cb(ctx, c);
1485: if (state == -1)
1.358 nicm 1486: break;
1.373 nicm 1487: if (state == 0)
1488: continue;
1.139 nicm 1489: cmdfn(&c->tty, ctx);
1.1 nicm 1490: }
1491: }
1492:
1493: void
1.24 nicm 1494: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1495: {
1.309 nicm 1496: if (ctx->bigger ||
1.372 nicm 1497: !tty_full_width(tty, ctx) ||
1.373 nicm 1498: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.210 nicm 1499: (!tty_term_has(tty->term, TTYC_ICH) &&
1500: !tty_term_has(tty->term, TTYC_ICH1))) {
1.309 nicm 1501: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1502: return;
1503: }
1504:
1.373 nicm 1505: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1506:
1.77 nicm 1507: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1508:
1.206 nicm 1509: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1510: }
1511:
1512: void
1.24 nicm 1513: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1514: {
1.309 nicm 1515: if (ctx->bigger ||
1.372 nicm 1516: !tty_full_width(tty, ctx) ||
1.373 nicm 1517: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.26 nicm 1518: (!tty_term_has(tty->term, TTYC_DCH) &&
1519: !tty_term_has(tty->term, TTYC_DCH1))) {
1.309 nicm 1520: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1521: return;
1522: }
1523:
1.373 nicm 1524: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1525:
1.77 nicm 1526: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1527:
1.206 nicm 1528: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1529: }
1530:
1531: void
1532: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1533: {
1.373 nicm 1534: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.146 nicm 1535:
1.388 ! nicm 1536: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, ctx->num, ctx->bg);
1.1 nicm 1537: }
1538:
1539: void
1.24 nicm 1540: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1541: {
1.309 nicm 1542: if (ctx->bigger ||
1.372 nicm 1543: !tty_full_width(tty, ctx) ||
1.373 nicm 1544: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.77 nicm 1545: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1546: !tty_term_has(tty->term, TTYC_IL1) ||
1.373 nicm 1547: ctx->sx == 1 ||
1548: ctx->sy == 1) {
1.14 nicm 1549: tty_redraw_region(tty, ctx);
1.1 nicm 1550: return;
1551: }
1552:
1.373 nicm 1553: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1554:
1.77 nicm 1555: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1556: tty_margin_off(tty);
1.77 nicm 1557: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1558:
1.12 nicm 1559: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1560: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1561: }
1562:
1563: void
1.24 nicm 1564: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1565: {
1.309 nicm 1566: if (ctx->bigger ||
1.372 nicm 1567: !tty_full_width(tty, ctx) ||
1.373 nicm 1568: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.72 nicm 1569: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1570: !tty_term_has(tty->term, TTYC_DL1) ||
1.373 nicm 1571: ctx->sx == 1 ||
1572: ctx->sy == 1) {
1.14 nicm 1573: tty_redraw_region(tty, ctx);
1.1 nicm 1574: return;
1575: }
1576:
1.373 nicm 1577: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1578:
1.77 nicm 1579: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1580: tty_margin_off(tty);
1.77 nicm 1581: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1582:
1.12 nicm 1583: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1584: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1585: }
1586:
1587: void
1.24 nicm 1588: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1589: {
1.373 nicm 1590: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1591:
1.372 nicm 1592: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->sx, ctx->bg);
1.1 nicm 1593: }
1594:
1595: void
1.24 nicm 1596: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1597: {
1.373 nicm 1598: u_int nx = ctx->sx - ctx->ocx;
1.1 nicm 1599:
1.373 nicm 1600: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1601:
1.309 nicm 1602: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1603: }
1604:
1605: void
1.24 nicm 1606: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1607: {
1.373 nicm 1608: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1609:
1.309 nicm 1610: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1611: }
1612:
1613: void
1.24 nicm 1614: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1615: {
1.56 nicm 1616: if (ctx->ocy != ctx->orupper)
1617: return;
1618:
1.309 nicm 1619: if (ctx->bigger ||
1.372 nicm 1620: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1621: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.70 nicm 1622: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1623: (!tty_term_has(tty->term, TTYC_RI) &&
1624: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1625: ctx->sx == 1 ||
1626: ctx->sy == 1) {
1.14 nicm 1627: tty_redraw_region(tty, ctx);
1.1 nicm 1628: return;
1629: }
1630:
1.373 nicm 1631: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1632:
1.56 nicm 1633: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1634: tty_margin_pane(tty, ctx);
1.56 nicm 1635: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1636:
1.331 nicm 1637: if (tty_term_has(tty->term, TTYC_RI))
1638: tty_putcode(tty, TTYC_RI);
1639: else
1640: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1641: }
1642:
1643: void
1.24 nicm 1644: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1645: {
1.56 nicm 1646: if (ctx->ocy != ctx->orlower)
1647: return;
1648:
1.309 nicm 1649: if (ctx->bigger ||
1.372 nicm 1650: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1651: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1652: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1653: ctx->sx == 1 ||
1654: ctx->sy == 1) {
1.236 nicm 1655: tty_redraw_region(tty, ctx);
1.1 nicm 1656: return;
1657: }
1.52 nicm 1658:
1.373 nicm 1659: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1660:
1.56 nicm 1661: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1662: tty_margin_pane(tty, ctx);
1663:
1664: /*
1.301 nicm 1665: * If we want to wrap a pane while using margins, the cursor needs to
1666: * be exactly on the right of the region. If the cursor is entirely off
1667: * the edge - move it back to the right. Some terminals are funny about
1668: * this and insert extra spaces, so only use the right if margins are
1669: * enabled.
1.212 nicm 1670: */
1.301 nicm 1671: if (ctx->xoff + ctx->ocx > tty->rright) {
1672: if (!tty_use_margin(tty))
1673: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1674: else
1675: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1676: } else
1.212 nicm 1677: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1678:
1.56 nicm 1679: tty_putc(tty, '\n');
1.240 nicm 1680: }
1681:
1682: void
1683: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1684: {
1.373 nicm 1685: u_int i;
1.240 nicm 1686:
1.309 nicm 1687: if (ctx->bigger ||
1.372 nicm 1688: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1689: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1690: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1691: ctx->sx == 1 ||
1692: ctx->sy == 1) {
1.240 nicm 1693: tty_redraw_region(tty, ctx);
1694: return;
1695: }
1696:
1.373 nicm 1697: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.240 nicm 1698:
1699: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1700: tty_margin_pane(tty, ctx);
1701:
1.284 nicm 1702: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1703: if (!tty_use_margin(tty))
1704: tty_cursor(tty, 0, tty->rlower);
1705: else
1706: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1707: for (i = 0; i < ctx->num; i++)
1.240 nicm 1708: tty_putc(tty, '\n');
1.301 nicm 1709: } else {
1.353 nicm 1710: if (tty->cy == UINT_MAX)
1711: tty_cursor(tty, 0, 0);
1712: else
1713: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1714: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1715: }
1716: }
1717:
1718: void
1719: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1720: {
1.373 nicm 1721: u_int i;
1.331 nicm 1722:
1723: if (ctx->bigger ||
1.372 nicm 1724: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1725: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.331 nicm 1726: !tty_term_has(tty->term, TTYC_CSR) ||
1727: (!tty_term_has(tty->term, TTYC_RI) &&
1728: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1729: ctx->sx == 1 ||
1730: ctx->sy == 1) {
1.331 nicm 1731: tty_redraw_region(tty, ctx);
1732: return;
1733: }
1734:
1.373 nicm 1735: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.331 nicm 1736:
1737: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1738: tty_margin_pane(tty, ctx);
1739: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1740:
1741: if (tty_term_has(tty->term, TTYC_RIN))
1742: tty_putcode1(tty, TTYC_RIN, ctx->num);
1743: else {
1744: for (i = 0; i < ctx->num; i++)
1745: tty_putcode(tty, TTYC_RI);
1.301 nicm 1746: }
1.1 nicm 1747: }
1748:
1749: void
1.24 nicm 1750: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1751: {
1.373 nicm 1752: u_int px, py, nx, ny;
1.1 nicm 1753:
1.373 nicm 1754: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1755:
1.372 nicm 1756: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1757: tty_margin_off(tty);
1.39 nicm 1758:
1.309 nicm 1759: px = 0;
1.372 nicm 1760: nx = ctx->sx;
1.309 nicm 1761: py = ctx->ocy + 1;
1.372 nicm 1762: ny = ctx->sy - ctx->ocy - 1;
1.271 nicm 1763:
1.309 nicm 1764: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1765:
1.309 nicm 1766: px = ctx->ocx;
1.372 nicm 1767: nx = ctx->sx - ctx->ocx;
1.309 nicm 1768: py = ctx->ocy;
1.271 nicm 1769:
1.309 nicm 1770: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1771: }
1772:
1773: void
1.24 nicm 1774: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1775: {
1.373 nicm 1776: u_int px, py, nx, ny;
1.1 nicm 1777:
1.373 nicm 1778: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1779:
1.372 nicm 1780: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1781: tty_margin_off(tty);
1.39 nicm 1782:
1.309 nicm 1783: px = 0;
1.372 nicm 1784: nx = ctx->sx;
1.309 nicm 1785: py = 0;
1.319 nicm 1786: ny = ctx->ocy;
1.271 nicm 1787:
1.309 nicm 1788: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1789:
1.309 nicm 1790: px = 0;
1.271 nicm 1791: nx = ctx->ocx + 1;
1.309 nicm 1792: py = ctx->ocy;
1.271 nicm 1793:
1.309 nicm 1794: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1795: }
1796:
1797: void
1.24 nicm 1798: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1799: {
1.373 nicm 1800: u_int px, py, nx, ny;
1.1 nicm 1801:
1.373 nicm 1802: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1803:
1.372 nicm 1804: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1805: tty_margin_off(tty);
1.39 nicm 1806:
1.309 nicm 1807: px = 0;
1.372 nicm 1808: nx = ctx->sx;
1.309 nicm 1809: py = 0;
1.372 nicm 1810: ny = ctx->sy;
1.271 nicm 1811:
1.309 nicm 1812: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1813: }
1814:
1815: void
1.24 nicm 1816: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1817: {
1.373 nicm 1818: u_int i, j;
1.4 nicm 1819:
1.309 nicm 1820: if (ctx->bigger) {
1.373 nicm 1821: ctx->redraw_cb(ctx);
1.309 nicm 1822: return;
1823: }
1824:
1.373 nicm 1825: tty_attributes(tty, &grid_default_cell, &ctx->defaults, ctx->palette);
1.4 nicm 1826:
1.372 nicm 1827: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1828: tty_margin_off(tty);
1.4 nicm 1829:
1.372 nicm 1830: for (j = 0; j < ctx->sy; j++) {
1.41 nicm 1831: tty_cursor_pane(tty, ctx, 0, j);
1.372 nicm 1832: for (i = 0; i < ctx->sx; i++)
1.4 nicm 1833: tty_putc(tty, 'E');
1.1 nicm 1834: }
1835: }
1836:
1837: void
1.24 nicm 1838: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1839: {
1.309 nicm 1840: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1))
1841: return;
1842:
1.372 nicm 1843: if (ctx->xoff + ctx->ocx - ctx->wox > tty->sx - 1 &&
1.306 nicm 1844: ctx->ocy == ctx->orlower &&
1.372 nicm 1845: tty_full_width(tty, ctx))
1.306 nicm 1846: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1847:
1.306 nicm 1848: tty_margin_off(tty);
1.253 nicm 1849: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1850:
1.373 nicm 1851: tty_cell(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 1852: }
1853:
1854: void
1855: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1856: {
1.309 nicm 1857: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1858: return;
1859:
1860: if (ctx->bigger &&
1.372 nicm 1861: (ctx->xoff + ctx->ocx < ctx->wox ||
1862: ctx->xoff + ctx->ocx + ctx->num > ctx->wox + ctx->wsx)) {
1.309 nicm 1863: if (!ctx->wrapped ||
1.372 nicm 1864: !tty_full_width(tty, ctx) ||
1.382 nicm 1865: (tty->term->flags & TERM_NOAM) ||
1.309 nicm 1866: ctx->xoff + ctx->ocx != 0 ||
1867: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1868: tty->cx < tty->sx ||
1869: tty->cy == tty->rlower)
1870: tty_draw_pane(tty, ctx, ctx->ocy);
1871: else
1.373 nicm 1872: ctx->redraw_cb(ctx);
1.309 nicm 1873: return;
1874: }
1875:
1.306 nicm 1876: tty_margin_off(tty);
1.253 nicm 1877: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1878:
1.373 nicm 1879: tty_attributes(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 1880: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1881: }
1882:
1883: void
1884: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1885: {
1.383 nicm 1886: tty_set_selection(tty, ctx->ptr, ctx->num);
1887: }
1888:
1889: void
1890: tty_set_selection(struct tty *tty, const char *buf, size_t len)
1891: {
1892: char *encoded;
1893: size_t size;
1.106 nicm 1894:
1.384 nicm 1895: if (~tty->flags & TTY_STARTED)
1896: return;
1.106 nicm 1897: if (!tty_term_has(tty->term, TTYC_MS))
1.383 nicm 1898: return;
1.106 nicm 1899:
1.383 nicm 1900: size = 4 * ((len + 2) / 3) + 1; /* storage for base64 */
1901: encoded = xmalloc(size);
1.106 nicm 1902:
1.383 nicm 1903: b64_ntop(buf, len, encoded, size);
1904: tty_putcode_ptr2(tty, TTYC_MS, "", encoded);
1.106 nicm 1905:
1.383 nicm 1906: free(encoded);
1.100 nicm 1907: }
1908:
1909: void
1910: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1911: {
1.256 nicm 1912: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1913: tty_invalidate(tty);
1.348 nicm 1914: }
1915:
1916: void
1917: tty_cmd_syncstart(struct tty *tty, __unused const struct tty_ctx *ctx)
1918: {
1919: tty_sync_start(tty);
1.1 nicm 1920: }
1921:
1.377 nicm 1922: void
1.373 nicm 1923: tty_cell(struct tty *tty, const struct grid_cell *gc,
1924: const struct grid_cell *defaults, int *palette)
1.1 nicm 1925: {
1.298 nicm 1926: const struct grid_cell *gcp;
1.1 nicm 1927:
1928: /* Skip last character if terminal is stupid. */
1.382 nicm 1929: if ((tty->term->flags & TERM_NOAM) &&
1.211 nicm 1930: tty->cy == tty->sy - 1 &&
1931: tty->cx == tty->sx - 1)
1.1 nicm 1932: return;
1933:
1934: /* If this is a padding character, do nothing. */
1935: if (gc->flags & GRID_FLAG_PADDING)
1936: return;
1937:
1.377 nicm 1938: /* Check the output codeset and apply attributes. */
1939: gcp = tty_check_codeset(tty, gc);
1940: tty_attributes(tty, gcp, defaults, palette);
1.1 nicm 1941:
1.377 nicm 1942: /* If it is a single character, write with putc to handle ACS. */
1.298 nicm 1943: if (gcp->data.size == 1) {
1.377 nicm 1944: tty_attributes(tty, gcp, defaults, palette);
1.298 nicm 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) ||
1.382 nicm 2085: (tty->term->flags & TERM_NOAM) ||
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? */
1.387 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: */
1.387 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)
1.385 nicm 2533: goto save;
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);
1.385 nicm 2545: goto save;
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:
1.385 nicm 2551: save:
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)
1.385 nicm 2565: goto save;
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);
1.385 nicm 2577: goto save;
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:
1.385 nicm 2583: save:
1.61 nicm 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:
1.385 nicm 2595: /* Clear underline colour. */
2596: if (gc->us == 0) {
2597: tty_putcode(tty, TTYC_OL);
2598: goto save;
2599: }
2600:
1.328 nicm 2601: /* Must be an RGB colour - this should never happen. */
2602: if (~gc->us & COLOUR_FLAG_RGB)
2603: return;
2604:
2605: /*
1.385 nicm 2606: * Setulc and setal follows the ncurses(3) one argument "direct colour"
1.328 nicm 2607: * capability format. Calculate the colour value.
2608: */
2609: colour_split_rgb(gc->us, &r, &g, &b);
2610: c = (65536 * r) + (256 * g) + b;
2611:
1.385 nicm 2612: /*
2613: * Write the colour. Only use setal if the RGB flag is set because the
2614: * non-RGB version may be wrong.
2615: */
2616: if (tty_term_has(tty->term, TTYC_SETULC))
2617: tty_putcode1(tty, TTYC_SETULC, c);
2618: else if (tty_term_has(tty->term, TTYC_SETAL) &&
2619: tty_term_has(tty->term, TTYC_RGB))
2620: tty_putcode1(tty, TTYC_SETAL, c);
1.328 nicm 2621:
1.385 nicm 2622: save:
1.328 nicm 2623: /* Save the new values in the terminal current cell. */
2624: tc->us = gc->us;
1.61 nicm 2625: }
2626:
1.207 nicm 2627: static int
1.204 nicm 2628: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2629: {
1.204 nicm 2630: u_char r, g, b;
1.61 nicm 2631:
1.204 nicm 2632: if (colour & COLOUR_FLAG_256) {
1.359 nicm 2633: if (*type == '3' && tty_term_has(tty->term, TTYC_SETAF))
2634: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2635: else if (tty_term_has(tty->term, TTYC_SETAB))
2636: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2637: return (0);
1.204 nicm 2638: }
2639:
2640: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2641: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.359 nicm 2642: if (*type == '3' && tty_term_has(tty->term, TTYC_SETRGBF))
1.286 nicm 2643: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
1.359 nicm 2644: else if (tty_term_has(tty->term, TTYC_SETRGBB))
1.286 nicm 2645: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
1.165 nicm 2646: return (0);
2647: }
1.61 nicm 2648:
1.165 nicm 2649: return (-1);
1.176 nicm 2650: }
2651:
1.207 nicm 2652: static void
1.371 nicm 2653: tty_window_default_style(struct grid_cell *gc, struct window_pane *wp)
2654: {
2655: memcpy(gc, &grid_default_cell, sizeof *gc);
2656: gc->fg = wp->fg;
2657: gc->bg = wp->bg;
2658: }
2659:
1.373 nicm 2660: void
1.317 nicm 2661: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2662: {
1.326 nicm 2663: struct options *oo = wp->options;
1.373 nicm 2664:
2665: memcpy(gc, &grid_default_cell, sizeof *gc);
1.326 nicm 2666:
2667: if (wp->flags & PANE_STYLECHANGED) {
2668: wp->flags &= ~PANE_STYLECHANGED;
1.371 nicm 2669:
2670: tty_window_default_style(&wp->cached_active_gc, wp);
2671: style_add(&wp->cached_active_gc, oo, "window-active-style",
2672: NULL);
2673: tty_window_default_style(&wp->cached_gc, wp);
2674: style_add(&wp->cached_gc, oo, "window-style", NULL);
1.203 nicm 2675: }
1.176 nicm 2676:
1.204 nicm 2677: if (gc->fg == 8) {
1.370 nicm 2678: if (wp == wp->window->active && wp->cached_active_gc.fg != 8)
2679: gc->fg = wp->cached_active_gc.fg;
1.204 nicm 2680: else
1.370 nicm 2681: gc->fg = wp->cached_gc.fg;
1.176 nicm 2682: }
2683:
1.204 nicm 2684: if (gc->bg == 8) {
1.370 nicm 2685: if (wp == wp->window->active && wp->cached_active_gc.bg != 8)
2686: gc->bg = wp->cached_active_gc.bg;
1.204 nicm 2687: else
1.370 nicm 2688: gc->bg = wp->cached_gc.bg;
1.176 nicm 2689: }
1.210 nicm 2690: }
2691:
2692: static void
1.373 nicm 2693: tty_default_attributes(struct tty *tty, const struct grid_cell *defaults,
2694: int *palette, u_int bg)
1.210 nicm 2695: {
1.373 nicm 2696: struct grid_cell gc;
1.210 nicm 2697:
2698: memcpy(&gc, &grid_default_cell, sizeof gc);
2699: gc.bg = bg;
1.373 nicm 2700: tty_attributes(tty, &gc, defaults, palette);
1.1 nicm 2701: }