Annotation of src/usr.bin/tmux/tty.c, Revision 1.391
1.391 ! nicm 1: /* $OpenBSD: tty.c,v 1.390 2021/03/12 08:39:17 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:
1.391 ! nicm 101: tty->cstyle = SCREEN_CURSOR_DEFAULT;
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:
1.389 nicm 252: tty->term = tty_term_create(tty, c->term_name, c->term_caps,
253: c->term_ncaps, &c->term_features, 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));
1.391 ! nicm 395: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
1.160 nicm 396: if (tty_term_has(tty->term, TTYC_SE))
397: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.391 ! nicm 398: else if (tty_term_has(tty->term, TTYC_SS))
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: {
1.391 ! nicm 660: struct client *c = tty->client;
! 661: int changed;
! 662: enum screen_cursor_style cstyle = tty->cstyle;
1.107 nicm 663:
1.1 nicm 664: if (tty->flags & TTY_NOCURSOR)
665: mode &= ~MODE_CURSOR;
666:
667: changed = mode ^ tty->mode;
1.368 nicm 668: if (changed != 0)
669: log_debug("%s: update mode %x to %x", c->name, tty->mode, mode);
1.344 nicm 670:
1.391 ! nicm 671: if (s != NULL) {
! 672: if (strcmp(s->ccolour, tty->ccolour) != 0)
! 673: tty_force_cursor_colour(tty, s->ccolour);
! 674: cstyle = s->cstyle;
! 675: }
! 676: if (~mode & MODE_CURSOR) {
! 677: /* Cursor now off - set as invisible. */
! 678: if (changed & MODE_CURSOR)
! 679: tty_putcode(tty, TTYC_CIVIS);
! 680: } else if ((changed & (MODE_CURSOR|MODE_BLINKING)) ||
! 681: cstyle != tty->cstyle) {
! 682: /*
! 683: * Cursor now on, blinking flag changed or style changed. Start
! 684: * by setting the cursor to normal.
! 685: */
! 686: tty_putcode(tty, TTYC_CNORM);
! 687: switch (cstyle) {
! 688: case SCREEN_CURSOR_DEFAULT:
! 689: /*
! 690: * If the old style wasn't default, then reset it to
! 691: * default.
! 692: */
! 693: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
! 694: if (tty_term_has(tty->term, TTYC_SE))
! 695: tty_putcode(tty, TTYC_SE);
! 696: else
! 697: tty_putcode1(tty, TTYC_SS, 0);
! 698: }
1.390 nicm 699:
1.391 ! nicm 700: /* Set the cursor as very visible if necessary. */
! 701: if (mode & MODE_BLINKING)
! 702: tty_putcode(tty, TTYC_CVVIS);
! 703: break;
! 704: case SCREEN_CURSOR_BLOCK:
! 705: /*
! 706: * Set style to either block blinking (1) or steady (2)
! 707: * if supported, otherwise just check the blinking
! 708: * flag.
! 709: */
! 710: if (tty_term_has(tty->term, TTYC_SS)) {
! 711: if (mode & MODE_BLINKING)
! 712: tty_putcode1(tty, TTYC_SS, 1);
! 713: else
! 714: tty_putcode1(tty, TTYC_SS, 2);
! 715: } else if (mode & MODE_BLINKING)
! 716: tty_putcode(tty, TTYC_CVVIS);
! 717: break;
! 718: case SCREEN_CURSOR_UNDERLINE:
! 719: /*
! 720: * Set style to either underline blinking (3) or steady
! 721: * (4) if supported, otherwise just check the blinking
! 722: * flag.
! 723: */
! 724: if (tty_term_has(tty->term, TTYC_SS)) {
! 725: if (mode & MODE_BLINKING)
! 726: tty_putcode1(tty, TTYC_SS, 3);
! 727: else
! 728: tty_putcode1(tty, TTYC_SS, 4);
! 729: } else if (mode & MODE_BLINKING)
! 730: tty_putcode(tty, TTYC_CVVIS);
! 731: break;
! 732: case SCREEN_CURSOR_BAR:
! 733: /*
! 734: * Set style to either bar blinking (5) or steady (6)
! 735: * if supported, otherwise just check the blinking
! 736: * flag.
! 737: */
! 738: if (tty_term_has(tty->term, TTYC_SS)) {
! 739: if (mode & MODE_BLINKING)
! 740: tty_putcode1(tty, TTYC_SS, 5);
! 741: else
! 742: tty_putcode1(tty, TTYC_SS, 6);
! 743: } else if (mode & MODE_BLINKING)
1.390 nicm 744: tty_putcode(tty, TTYC_CVVIS);
1.391 ! nicm 745: break;
! 746: }
! 747: tty->cstyle = cstyle;
1.390 nicm 748: }
749:
1.344 nicm 750: if ((changed & ALL_MOUSE_MODES) &&
751: tty_term_has(tty->term, TTYC_KMOUS)) {
1.386 nicm 752: /*
753: * If the mouse modes have changed, clear any that are set and
754: * apply again. There are differences in how terminals track
755: * the various bits.
756: */
757: if (tty->mode & MODE_MOUSE_SGR)
1.344 nicm 758: tty_puts(tty, "\033[?1006l");
1.386 nicm 759: if (tty->mode & MODE_MOUSE_STANDARD)
1.344 nicm 760: tty_puts(tty, "\033[?1000l");
1.386 nicm 761: if (tty->mode & MODE_MOUSE_BUTTON)
1.344 nicm 762: tty_puts(tty, "\033[?1002l");
1.386 nicm 763: if (tty->mode & MODE_MOUSE_ALL)
1.344 nicm 764: tty_puts(tty, "\033[?1003l");
765: if (mode & ALL_MOUSE_MODES)
1.153 nicm 766: tty_puts(tty, "\033[?1006h");
1.386 nicm 767: if (mode & MODE_MOUSE_STANDARD)
1.344 nicm 768: tty_puts(tty, "\033[?1000h");
1.386 nicm 769: if (mode & MODE_MOUSE_BUTTON)
1.344 nicm 770: tty_puts(tty, "\033[?1002h");
1.386 nicm 771: if (mode & MODE_MOUSE_ALL)
1.344 nicm 772: tty_puts(tty, "\033[?1003h");
1.115 nicm 773: }
774: if (changed & MODE_BRACKETPASTE) {
775: if (mode & MODE_BRACKETPASTE)
1.366 nicm 776: tty_putcode(tty, TTYC_ENBP);
1.115 nicm 777: else
1.366 nicm 778: tty_putcode(tty, TTYC_DSBP);
1.1 nicm 779: }
780: tty->mode = mode;
781: }
782:
1.207 nicm 783: static void
1.168 nicm 784: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
785: enum tty_code_code code1, u_int n)
1.1 nicm 786: {
787: if (tty_term_has(tty->term, code))
788: tty_putcode1(tty, code, n);
789: else {
790: while (n-- > 0)
791: tty_putcode(tty, code1);
792: }
793: }
794:
1.207 nicm 795: static void
1.133 nicm 796: tty_repeat_space(struct tty *tty, u_int n)
797: {
1.257 nicm 798: static char s[500];
799:
800: if (*s != ' ')
801: memset(s, ' ', sizeof s);
802:
803: while (n > sizeof s) {
804: tty_putn(tty, s, sizeof s, sizeof s);
805: n -= sizeof s;
806: }
807: if (n != 0)
808: tty_putn(tty, s, n, n);
1.304 nicm 809: }
810:
1.309 nicm 811: /* Is this window bigger than the terminal? */
812: int
813: tty_window_bigger(struct tty *tty)
814: {
815: struct client *c = tty->client;
816: struct window *w = c->session->curw->window;
817:
818: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
819: }
820:
821: /* What offset should this window be drawn at? */
822: int
823: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
824: {
825: *ox = tty->oox;
826: *oy = tty->ooy;
827: *sx = tty->osx;
828: *sy = tty->osy;
829:
830: return (tty->oflag);
831: }
832:
833: /* What offset should this window be drawn at? */
834: static int
835: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
836: {
837: struct client *c = tty->client;
838: struct window *w = c->session->curw->window;
1.376 nicm 839: struct window_pane *wp = server_client_get_pane(c);
1.309 nicm 840: u_int cx, cy, lines;
841:
842: lines = status_line_size(c);
843:
844: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
845: *ox = 0;
846: *oy = 0;
847: *sx = w->sx;
848: *sy = w->sy;
849:
850: c->pan_window = NULL;
851: return (0);
852: }
853:
854: *sx = tty->sx;
855: *sy = tty->sy - lines;
856:
857: if (c->pan_window == w) {
858: if (*sx >= w->sx)
859: c->pan_ox = 0;
860: else if (c->pan_ox + *sx > w->sx)
861: c->pan_ox = w->sx - *sx;
862: *ox = c->pan_ox;
863: if (*sy >= w->sy)
864: c->pan_oy = 0;
865: else if (c->pan_oy + *sy > w->sy)
866: c->pan_oy = w->sy - *sy;
867: *oy = c->pan_oy;
868: return (1);
869: }
870:
871: if (~wp->screen->mode & MODE_CURSOR) {
872: *ox = 0;
873: *oy = 0;
874: } else {
875: cx = wp->xoff + wp->screen->cx;
876: cy = wp->yoff + wp->screen->cy;
877:
878: if (cx < *sx)
879: *ox = 0;
880: else if (cx > w->sx - *sx)
881: *ox = w->sx - *sx;
882: else
883: *ox = cx - *sx / 2;
884:
885: if (cy < *sy)
886: *oy = 0;
887: else if (cy > w->sy - *sy)
888: *oy = w->sy - *sy;
889: else
890: *oy = cy - *sy / 2;
891: }
892:
893: c->pan_window = NULL;
894: return (1);
895: }
896:
897: /* Update stored offsets for a window and redraw if necessary. */
898: void
899: tty_update_window_offset(struct window *w)
900: {
901: struct client *c;
902:
903: TAILQ_FOREACH(c, &clients, entry) {
904: if (c->session != NULL && c->session->curw->window == w)
905: tty_update_client_offset(c);
906: }
907: }
908:
909: /* Update stored offsets for a client and redraw if necessary. */
910: void
911: tty_update_client_offset(struct client *c)
1.304 nicm 912: {
1.309 nicm 913: u_int ox, oy, sx, sy;
1.314 nicm 914:
915: if (~c->flags & CLIENT_TERMINAL)
916: return;
1.304 nicm 917:
1.309 nicm 918: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
919: if (ox == c->tty.oox &&
920: oy == c->tty.ooy &&
921: sx == c->tty.osx &&
922: sy == c->tty.osy)
923: return;
924:
925: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
926: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
927: ox, oy, sx, sy);
928:
929: c->tty.oox = ox;
930: c->tty.ooy = oy;
931: c->tty.osx = sx;
932: c->tty.osy = sy;
933:
934: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 935: }
936:
1.373 nicm 937: /* Get a palette entry. */
938: static int
939: tty_get_palette(int *palette, int c)
940: {
941: int new;
942:
943: if (palette == NULL)
944: return (-1);
945:
946: new = -1;
947: if (c < 8)
948: new = palette[c];
949: else if (c >= 90 && c <= 97)
950: new = palette[8 + c - 90];
951: else if (c & COLOUR_FLAG_256)
952: new = palette[c & ~COLOUR_FLAG_256];
953: if (new == 0)
954: return (-1);
955: return (new);
956: }
957:
1.1 nicm 958: /*
1.119 nicm 959: * Is the region large enough to be worth redrawing once later rather than
960: * probably several times now? Currently yes if it is more than 50% of the
961: * pane.
962: */
1.207 nicm 963: static int
1.194 nicm 964: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 965: {
1.372 nicm 966: return (ctx->orlower - ctx->orupper >= ctx->sy / 2);
1.119 nicm 967: }
968:
969: /*
1.176 nicm 970: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
971: * emulated.
972: */
1.207 nicm 973: static int
1.373 nicm 974: tty_fake_bce(const struct tty *tty, const struct grid_cell *gc, u_int bg)
1.176 nicm 975: {
1.210 nicm 976: if (tty_term_flag(tty->term, TTYC_BCE))
977: return (0);
1.373 nicm 978: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc->bg))
1.210 nicm 979: return (1);
980: return (0);
1.176 nicm 981: }
982:
983: /*
1.1 nicm 984: * Redraw scroll region using data from screen (already updated). Used when
985: * CSR not supported, or window is a pane that doesn't take up the full
986: * width of the terminal.
987: */
1.207 nicm 988: static void
1.24 nicm 989: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 990: {
1.358 nicm 991: struct client *c = tty->client;
1.204 nicm 992: u_int i;
1.1 nicm 993:
994: /*
1.373 nicm 995: * If region is large, schedule a redraw. In most cases this is likely
996: * to be followed by some more scrolling.
1.1 nicm 997: */
1.119 nicm 998: if (tty_large_region(tty, ctx)) {
1.373 nicm 999: log_debug("%s: %s large redraw", __func__, c->name);
1000: ctx->redraw_cb(ctx);
1.1 nicm 1001: return;
1002: }
1003:
1.14 nicm 1004: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
1.372 nicm 1005: for (i = ctx->ocy; i < ctx->sy; i++)
1.309 nicm 1006: tty_draw_pane(tty, ctx, i);
1.1 nicm 1007: } else {
1.14 nicm 1008: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.309 nicm 1009: tty_draw_pane(tty, ctx, i);
1.1 nicm 1010: }
1011: }
1012:
1.309 nicm 1013: /* Is this position visible in the pane? */
1014: static int
1.374 nicm 1015: tty_is_visible(__unused struct tty *tty, const struct tty_ctx *ctx, u_int px,
1016: u_int py, u_int nx, u_int ny)
1.309 nicm 1017: {
1.374 nicm 1018: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1019:
1020: if (!ctx->bigger)
1021: return (1);
1022:
1.372 nicm 1023: if (xoff + nx <= ctx->wox || xoff >= ctx->wox + ctx->wsx ||
1.374 nicm 1024: yoff + ny <= ctx->woy || yoff >= ctx->woy + ctx->wsy)
1.309 nicm 1025: return (0);
1026: return (1);
1027: }
1028:
1029: /* Clamp line position to visible part of pane. */
1030: static int
1031: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1032: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
1033: {
1.373 nicm 1034: u_int xoff = ctx->rxoff + px;
1.309 nicm 1035:
1036: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
1037: return (0);
1.372 nicm 1038: *ry = ctx->yoff + py - ctx->woy;
1.309 nicm 1039:
1.372 nicm 1040: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1041: /* All visible. */
1042: *i = 0;
1.372 nicm 1043: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1044: *rx = nx;
1.372 nicm 1045: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1046: /* Both left and right not visible. */
1.372 nicm 1047: *i = ctx->wox;
1.309 nicm 1048: *x = 0;
1.372 nicm 1049: *rx = ctx->wsx;
1050: } else if (xoff < ctx->wox) {
1.309 nicm 1051: /* Left not visible. */
1.372 nicm 1052: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1053: *x = 0;
1054: *rx = nx - *i;
1055: } else {
1056: /* Right not visible. */
1057: *i = 0;
1.372 nicm 1058: *x = (ctx->xoff + px) - ctx->wox;
1059: *rx = ctx->wsx - *x;
1.309 nicm 1060: }
1061: if (*rx > nx)
1062: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1063:
1064: return (1);
1065: }
1066:
1067: /* Clear a line. */
1.271 nicm 1068: static void
1.373 nicm 1069: tty_clear_line(struct tty *tty, const struct grid_cell *defaults, u_int py,
1070: u_int px, u_int nx, u_int bg)
1.271 nicm 1071: {
1.309 nicm 1072: struct client *c = tty->client;
1073:
1074: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1075:
1076: /* Nothing to clear. */
1077: if (nx == 0)
1078: return;
1079:
1080: /* If genuine BCE is available, can try escape sequences. */
1.373 nicm 1081: if (!tty_fake_bce(tty, defaults, bg)) {
1.271 nicm 1082: /* Off the end of the line, use EL if available. */
1083: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1084: tty_cursor(tty, px, py);
1085: tty_putcode(tty, TTYC_EL);
1086: return;
1087: }
1088:
1089: /* At the start of the line. Use EL1. */
1090: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1091: tty_cursor(tty, px + nx - 1, py);
1092: tty_putcode(tty, TTYC_EL1);
1093: return;
1094: }
1095:
1096: /* Section of line. Use ECH if possible. */
1097: if (tty_term_has(tty->term, TTYC_ECH)) {
1098: tty_cursor(tty, px, py);
1099: tty_putcode1(tty, TTYC_ECH, nx);
1100: return;
1101: }
1102: }
1103:
1104: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 1105: tty_cursor(tty, px, py);
1.271 nicm 1106: tty_repeat_space(tty, nx);
1107: }
1108:
1.309 nicm 1109: /* Clear a line, adjusting to visible part of pane. */
1110: static void
1111: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1112: u_int px, u_int nx, u_int bg)
1113: {
1114: struct client *c = tty->client;
1115: u_int i, x, rx, ry;
1116:
1117: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1118:
1119: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1.373 nicm 1120: tty_clear_line(tty, &ctx->defaults, ry, x, rx, bg);
1.309 nicm 1121: }
1122:
1123: /* Clamp area position to visible part of pane. */
1124: static int
1125: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1126: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1127: u_int *ry)
1128: {
1.373 nicm 1129: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1130:
1131: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1132: return (0);
1133:
1.372 nicm 1134: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1135: /* All visible. */
1136: *i = 0;
1.372 nicm 1137: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1138: *rx = nx;
1.372 nicm 1139: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1140: /* Both left and right not visible. */
1.372 nicm 1141: *i = ctx->wox;
1.309 nicm 1142: *x = 0;
1.372 nicm 1143: *rx = ctx->wsx;
1144: } else if (xoff < ctx->wox) {
1.309 nicm 1145: /* Left not visible. */
1.372 nicm 1146: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1147: *x = 0;
1148: *rx = nx - *i;
1149: } else {
1150: /* Right not visible. */
1151: *i = 0;
1.372 nicm 1152: *x = (ctx->xoff + px) - ctx->wox;
1153: *rx = ctx->wsx - *x;
1.309 nicm 1154: }
1155: if (*rx > nx)
1156: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1157:
1.372 nicm 1158: if (yoff >= ctx->woy && yoff + ny <= ctx->woy + ctx->wsy) {
1.309 nicm 1159: /* All visible. */
1160: *j = 0;
1.372 nicm 1161: *y = ctx->yoff + py - ctx->woy;
1.309 nicm 1162: *ry = ny;
1.372 nicm 1163: } else if (yoff < ctx->woy && yoff + ny > ctx->woy + ctx->wsy) {
1.327 nicm 1164: /* Both top and bottom not visible. */
1.372 nicm 1165: *j = ctx->woy;
1.309 nicm 1166: *y = 0;
1.372 nicm 1167: *ry = ctx->wsy;
1168: } else if (yoff < ctx->woy) {
1.327 nicm 1169: /* Top not visible. */
1.372 nicm 1170: *j = ctx->woy - (ctx->yoff + py);
1.309 nicm 1171: *y = 0;
1172: *ry = ny - *j;
1173: } else {
1.327 nicm 1174: /* Bottom not visible. */
1.309 nicm 1175: *j = 0;
1.372 nicm 1176: *y = (ctx->yoff + py) - ctx->woy;
1177: *ry = ctx->wsy - *y;
1.309 nicm 1178: }
1179: if (*ry > ny)
1180: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1181:
1182: return (1);
1183: }
1184:
1185: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1186: static void
1.373 nicm 1187: tty_clear_area(struct tty *tty, const struct grid_cell *defaults, u_int py,
1188: u_int ny, u_int px, u_int nx, u_int bg)
1.271 nicm 1189: {
1.309 nicm 1190: struct client *c = tty->client;
1191: u_int yy;
1192: char tmp[64];
1.271 nicm 1193:
1.309 nicm 1194: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1195:
1196: /* Nothing to clear. */
1197: if (nx == 0 || ny == 0)
1198: return;
1199:
1200: /* If genuine BCE is available, can try escape sequences. */
1.373 nicm 1201: if (!tty_fake_bce(tty, defaults, bg)) {
1.276 nicm 1202: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1203: if (px == 0 &&
1204: px + nx >= tty->sx &&
1205: py + ny >= tty->sy &&
1206: tty_term_has(tty->term, TTYC_ED)) {
1207: tty_cursor(tty, 0, py);
1208: tty_putcode(tty, TTYC_ED);
1.274 nicm 1209: return;
1210: }
1211:
1212: /*
1.276 nicm 1213: * On VT420 compatible terminals we can use DECFRA if the
1214: * background colour isn't default (because it doesn't work
1215: * after SGR 0).
1.274 nicm 1216: */
1.359 nicm 1217: if ((tty->term->flags & TERM_DECFRA) && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1218: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1219: py + 1, px + 1, py + ny, px + nx);
1220: tty_puts(tty, tmp);
1.276 nicm 1221: return;
1222: }
1223:
1.280 nicm 1224: /* Full lines can be scrolled away to clear them. */
1225: if (px == 0 &&
1.281 nicm 1226: px + nx >= tty->sx &&
1.280 nicm 1227: ny > 2 &&
1228: tty_term_has(tty->term, TTYC_CSR) &&
1229: tty_term_has(tty->term, TTYC_INDN)) {
1230: tty_region(tty, py, py + ny - 1);
1231: tty_margin_off(tty);
1.284 nicm 1232: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1233: return;
1234: }
1235:
1.276 nicm 1236: /*
1237: * If margins are supported, can just scroll the area off to
1238: * clear it.
1239: */
1.277 nicm 1240: if (nx > 2 &&
1241: ny > 2 &&
1.280 nicm 1242: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1243: tty_use_margin(tty) &&
1244: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1245: tty_region(tty, py, py + ny - 1);
1246: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1247: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1248: return;
1249: }
1250: }
1251:
1252: /* Couldn't use an escape sequence, loop over the lines. */
1253: for (yy = py; yy < py + ny; yy++)
1.373 nicm 1254: tty_clear_line(tty, defaults, yy, px, nx, bg);
1.271 nicm 1255: }
1256:
1.309 nicm 1257: /* Clear an area in a pane. */
1258: static void
1259: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1260: u_int ny, u_int px, u_int nx, u_int bg)
1261: {
1262: u_int i, j, x, y, rx, ry;
1263:
1264: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1.373 nicm 1265: tty_clear_area(tty, &ctx->defaults, y, ry, x, rx, bg);
1.309 nicm 1266: }
1267:
1268: static void
1269: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1270: {
1.373 nicm 1271: struct screen *s = ctx->s;
1272: u_int nx = ctx->sx, i, x, rx, ry;
1.309 nicm 1273:
1274: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1275:
1276: if (!ctx->bigger) {
1.373 nicm 1277: tty_draw_line(tty, s, 0, py, nx, ctx->xoff, ctx->yoff + py,
1278: &ctx->defaults, ctx->palette);
1.309 nicm 1279: return;
1280: }
1.373 nicm 1281: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry)) {
1282: tty_draw_line(tty, s, i, py, rx, x, ry, &ctx->defaults,
1283: ctx->palette);
1284: }
1.176 nicm 1285: }
1286:
1.298 nicm 1287: static const struct grid_cell *
1288: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1289: {
1290: static struct grid_cell new;
1.377 nicm 1291: int c;
1.298 nicm 1292:
1293: /* Characters less than 0x7f are always fine, no matter what. */
1294: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1295: return (gc);
1296:
1297: /* UTF-8 terminal and a UTF-8 character - fine. */
1.359 nicm 1298: if (tty->client->flags & CLIENT_UTF8)
1.298 nicm 1299: return (gc);
1.377 nicm 1300: memcpy(&new, gc, sizeof new);
1301:
1302: /* See if this can be mapped to an ACS character. */
1303: c = tty_acs_reverse_get(tty, gc->data.data, gc->data.size);
1304: if (c != -1) {
1305: utf8_set(&new.data, c);
1306: new.attr |= GRID_ATTR_CHARSET;
1307: return (&new);
1308: }
1.298 nicm 1309:
1310: /* Replace by the right number of underscores. */
1.377 nicm 1311: new.data.size = gc->data.width;
1312: if (new.data.size > UTF8_SIZE)
1313: new.data.size = UTF8_SIZE;
1314: memset(new.data.data, '_', new.data.size);
1.298 nicm 1315: return (&new);
1316: }
1317:
1.346 nicm 1318: static int
1319: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1320: {
1321: struct client *c = tty->client;
1322:
1323: if (c->overlay_check == NULL)
1324: return (1);
1325: return (c->overlay_check(c, px, py));
1326: }
1327:
1.176 nicm 1328: void
1.373 nicm 1329: tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
1330: u_int atx, u_int aty, const struct grid_cell *defaults, int *palette)
1.1 nicm 1331: {
1.297 nicm 1332: struct grid *gd = s->grid;
1.250 nicm 1333: struct grid_cell gc, last;
1.298 nicm 1334: const struct grid_cell *gcp;
1.309 nicm 1335: struct grid_line *gl;
1336: u_int i, j, ux, sx, width;
1.329 nicm 1337: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1338: char buf[512];
1.315 nicm 1339: size_t len;
1.303 nicm 1340: u_int cellsize;
1.1 nicm 1341:
1.309 nicm 1342: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1343: px, py, nx, atx, aty);
1344:
1345: /*
1346: * py is the line in the screen to draw.
1347: * px is the start x and nx is the width to draw.
1348: * atx,aty is the line on the terminal to draw it.
1349: */
1350:
1.259 nicm 1351: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1352: tty->flags |= TTY_NOCURSOR;
1353: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1354:
1.214 nicm 1355: tty_region_off(tty);
1356: tty_margin_off(tty);
1357:
1.273 nicm 1358: /*
1359: * Clamp the width to cellsize - note this is not cellused, because
1360: * there may be empty background cells after it (from BCE).
1361: */
1.1 nicm 1362: sx = screen_size_x(s);
1.309 nicm 1363: if (nx > sx)
1364: nx = sx;
1.303 nicm 1365: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1366: if (sx > cellsize)
1367: sx = cellsize;
1.1 nicm 1368: if (sx > tty->sx)
1369: sx = tty->sx;
1.309 nicm 1370: if (sx > nx)
1371: sx = nx;
1.292 nicm 1372: ux = 0;
1.1 nicm 1373:
1.309 nicm 1374: if (py == 0)
1375: gl = NULL;
1376: else
1377: gl = grid_get_line(gd, gd->hsize + py - 1);
1.373 nicm 1378: if (gl == NULL ||
1.309 nicm 1379: (~gl->flags & GRID_LINE_WRAPPED) ||
1380: atx != 0 ||
1.268 nicm 1381: tty->cx < tty->sx ||
1.309 nicm 1382: nx < tty->sx) {
1383: if (nx < tty->sx &&
1384: atx == 0 &&
1385: px + sx != nx &&
1.268 nicm 1386: tty_term_has(tty->term, TTYC_EL1) &&
1.373 nicm 1387: !tty_fake_bce(tty, defaults, 8)) {
1388: tty_default_attributes(tty, defaults, palette, 8);
1.309 nicm 1389: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1390: tty_putcode(tty, TTYC_EL1);
1391: cleared = 1;
1392: }
1.329 nicm 1393: } else {
1.309 nicm 1394: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1395: wrapped = 1;
1396: }
1.250 nicm 1397:
1398: memcpy(&last, &grid_default_cell, sizeof last);
1399: len = 0;
1400: width = 0;
1.46 nicm 1401:
1.1 nicm 1402: for (i = 0; i < sx; i++) {
1.309 nicm 1403: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1404: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1405: if (len != 0 &&
1.346 nicm 1406: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1407: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1408: gcp->flags != last.flags ||
1409: gcp->attr != last.attr ||
1410: gcp->fg != last.fg ||
1411: gcp->bg != last.bg ||
1.328 nicm 1412: gcp->us != last.us ||
1.315 nicm 1413: ux + width + gcp->data.width > nx ||
1.298 nicm 1414: (sizeof buf) - len < gcp->data.size)) {
1.373 nicm 1415: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1416: if (last.flags & GRID_FLAG_CLEARED) {
1417: log_debug("%s: %zu cleared", __func__, len);
1.373 nicm 1418: tty_clear_line(tty, defaults, aty, atx + ux,
1419: width, last.bg);
1.315 nicm 1420: } else {
1.329 nicm 1421: if (!wrapped || atx != 0 || ux != 0)
1422: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1423: tty_putn(tty, buf, len, width);
1424: }
1.292 nicm 1425: ux += width;
1.250 nicm 1426:
1427: len = 0;
1428: width = 0;
1.329 nicm 1429: wrapped = 0;
1.250 nicm 1430: }
1431:
1.298 nicm 1432: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1433: screen_select_cell(s, &last, gcp);
1.250 nicm 1434: else
1.299 nicm 1435: memcpy(&last, gcp, sizeof last);
1.381 nicm 1436: if (!tty_check_overlay(tty, atx + ux, aty)) {
1437: if (~gcp->flags & GRID_FLAG_PADDING)
1438: ux += gcp->data.width;
1439: } else if (ux + gcp->data.width > nx) {
1.373 nicm 1440: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1441: tty_cursor(tty, atx + ux, aty);
1.298 nicm 1442: for (j = 0; j < gcp->data.width; j++) {
1.309 nicm 1443: if (ux + j > nx)
1.297 nicm 1444: break;
1445: tty_putc(tty, ' ');
1446: ux++;
1447: }
1.299 nicm 1448: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1.373 nicm 1449: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1450: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1451: for (j = 0; j < gcp->data.size; j++)
1452: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1453: ux += gcp->data.width;
1.381 nicm 1454: } else if (~gcp->flags & GRID_FLAG_PADDING) {
1.298 nicm 1455: memcpy(buf + len, gcp->data.data, gcp->data.size);
1456: len += gcp->data.size;
1457: width += gcp->data.width;
1.250 nicm 1458: }
1459: }
1.315 nicm 1460: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.373 nicm 1461: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1462: if (last.flags & GRID_FLAG_CLEARED) {
1463: log_debug("%s: %zu cleared (end)", __func__, len);
1.373 nicm 1464: tty_clear_line(tty, defaults, aty, atx + ux, width,
1465: last.bg);
1.315 nicm 1466: } else {
1.329 nicm 1467: if (!wrapped || atx != 0 || ux != 0)
1468: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1469: tty_putn(tty, buf, len, width);
1470: }
1.315 nicm 1471: ux += width;
1.1 nicm 1472: }
1473:
1.309 nicm 1474: if (!cleared && ux < nx) {
1.315 nicm 1475: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1476: nx - ux, len);
1.373 nicm 1477: tty_default_attributes(tty, defaults, palette, 8);
1478: tty_clear_line(tty, defaults, aty, atx + ux, nx - ux, 8);
1.35 nicm 1479: }
1.1 nicm 1480:
1.181 nicm 1481: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1482: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1483: }
1484:
1.348 nicm 1485: void
1486: tty_sync_start(struct tty *tty)
1487: {
1.361 nicm 1488: if (tty->flags & TTY_BLOCK)
1489: return;
1490: if (tty->flags & TTY_SYNCING)
1491: return;
1492: tty->flags |= TTY_SYNCING;
1493:
1494: if (tty_term_has(tty->term, TTYC_SYNC)) {
1495: log_debug("%s sync start", tty->client->name);
1.360 nicm 1496: tty_putcode1(tty, TTYC_SYNC, 1);
1.357 nicm 1497: }
1.348 nicm 1498: }
1499:
1500: void
1501: tty_sync_end(struct tty *tty)
1502: {
1.361 nicm 1503: if (tty->flags & TTY_BLOCK)
1504: return;
1505: if (~tty->flags & TTY_SYNCING)
1506: return;
1507: tty->flags &= ~TTY_SYNCING;
1508:
1509: if (tty_term_has(tty->term, TTYC_SYNC)) {
1510: log_debug("%s sync end", tty->client->name);
1.360 nicm 1511: tty_putcode1(tty, TTYC_SYNC, 2);
1.357 nicm 1512: }
1.348 nicm 1513: }
1514:
1.201 nicm 1515: static int
1.373 nicm 1516: tty_client_ready(struct client *c)
1.182 nicm 1517: {
1518: if (c->session == NULL || c->tty.term == NULL)
1519: return (0);
1.305 nicm 1520: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1521: return (0);
1522: if (c->tty.flags & TTY_FREEZE)
1523: return (0);
1524: return (1);
1525: }
1526:
1.15 nicm 1527: void
1.182 nicm 1528: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1529: struct tty_ctx *ctx)
1.15 nicm 1530: {
1.373 nicm 1531: struct client *c;
1532: int state;
1.15 nicm 1533:
1.373 nicm 1534: if (ctx->set_client_cb == NULL)
1.15 nicm 1535: return;
1.178 nicm 1536: TAILQ_FOREACH(c, &clients, entry) {
1.373 nicm 1537: if (!tty_client_ready(c))
1.15 nicm 1538: continue;
1.373 nicm 1539: state = ctx->set_client_cb(ctx, c);
1540: if (state == -1)
1.358 nicm 1541: break;
1.373 nicm 1542: if (state == 0)
1543: continue;
1.139 nicm 1544: cmdfn(&c->tty, ctx);
1.1 nicm 1545: }
1546: }
1547:
1548: void
1.24 nicm 1549: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1550: {
1.309 nicm 1551: if (ctx->bigger ||
1.372 nicm 1552: !tty_full_width(tty, ctx) ||
1.373 nicm 1553: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.210 nicm 1554: (!tty_term_has(tty->term, TTYC_ICH) &&
1555: !tty_term_has(tty->term, TTYC_ICH1))) {
1.309 nicm 1556: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1557: return;
1558: }
1559:
1.373 nicm 1560: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1561:
1.77 nicm 1562: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1563:
1.206 nicm 1564: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1565: }
1566:
1567: void
1.24 nicm 1568: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1569: {
1.309 nicm 1570: if (ctx->bigger ||
1.372 nicm 1571: !tty_full_width(tty, ctx) ||
1.373 nicm 1572: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.26 nicm 1573: (!tty_term_has(tty->term, TTYC_DCH) &&
1574: !tty_term_has(tty->term, TTYC_DCH1))) {
1.309 nicm 1575: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1576: return;
1577: }
1578:
1.373 nicm 1579: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1580:
1.77 nicm 1581: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1582:
1.206 nicm 1583: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1584: }
1585:
1586: void
1587: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1588: {
1.373 nicm 1589: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.146 nicm 1590:
1.388 nicm 1591: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, ctx->num, ctx->bg);
1.1 nicm 1592: }
1593:
1594: void
1.24 nicm 1595: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1596: {
1.309 nicm 1597: if (ctx->bigger ||
1.372 nicm 1598: !tty_full_width(tty, ctx) ||
1.373 nicm 1599: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.77 nicm 1600: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1601: !tty_term_has(tty->term, TTYC_IL1) ||
1.373 nicm 1602: ctx->sx == 1 ||
1603: ctx->sy == 1) {
1.14 nicm 1604: tty_redraw_region(tty, ctx);
1.1 nicm 1605: return;
1606: }
1607:
1.373 nicm 1608: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1609:
1.77 nicm 1610: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1611: tty_margin_off(tty);
1.77 nicm 1612: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1613:
1.12 nicm 1614: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1615: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1616: }
1617:
1618: void
1.24 nicm 1619: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1620: {
1.309 nicm 1621: if (ctx->bigger ||
1.372 nicm 1622: !tty_full_width(tty, ctx) ||
1.373 nicm 1623: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.72 nicm 1624: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1625: !tty_term_has(tty->term, TTYC_DL1) ||
1.373 nicm 1626: ctx->sx == 1 ||
1627: ctx->sy == 1) {
1.14 nicm 1628: tty_redraw_region(tty, ctx);
1.1 nicm 1629: return;
1630: }
1631:
1.373 nicm 1632: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1633:
1.77 nicm 1634: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1635: tty_margin_off(tty);
1.77 nicm 1636: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1637:
1.12 nicm 1638: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1639: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1640: }
1641:
1642: void
1.24 nicm 1643: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1644: {
1.373 nicm 1645: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1646:
1.372 nicm 1647: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->sx, ctx->bg);
1.1 nicm 1648: }
1649:
1650: void
1.24 nicm 1651: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1652: {
1.373 nicm 1653: u_int nx = ctx->sx - ctx->ocx;
1.1 nicm 1654:
1.373 nicm 1655: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1656:
1.309 nicm 1657: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1658: }
1659:
1660: void
1.24 nicm 1661: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1662: {
1.373 nicm 1663: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1664:
1.309 nicm 1665: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1666: }
1667:
1668: void
1.24 nicm 1669: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1670: {
1.56 nicm 1671: if (ctx->ocy != ctx->orupper)
1672: return;
1673:
1.309 nicm 1674: if (ctx->bigger ||
1.372 nicm 1675: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1676: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.70 nicm 1677: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1678: (!tty_term_has(tty->term, TTYC_RI) &&
1679: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1680: ctx->sx == 1 ||
1681: ctx->sy == 1) {
1.14 nicm 1682: tty_redraw_region(tty, ctx);
1.1 nicm 1683: return;
1684: }
1685:
1.373 nicm 1686: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1687:
1.56 nicm 1688: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1689: tty_margin_pane(tty, ctx);
1.56 nicm 1690: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1691:
1.331 nicm 1692: if (tty_term_has(tty->term, TTYC_RI))
1693: tty_putcode(tty, TTYC_RI);
1694: else
1695: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1696: }
1697:
1698: void
1.24 nicm 1699: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1700: {
1.56 nicm 1701: if (ctx->ocy != ctx->orlower)
1702: return;
1703:
1.309 nicm 1704: if (ctx->bigger ||
1.372 nicm 1705: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1706: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1707: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1708: ctx->sx == 1 ||
1709: ctx->sy == 1) {
1.236 nicm 1710: tty_redraw_region(tty, ctx);
1.1 nicm 1711: return;
1712: }
1.52 nicm 1713:
1.373 nicm 1714: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1715:
1.56 nicm 1716: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1717: tty_margin_pane(tty, ctx);
1718:
1719: /*
1.301 nicm 1720: * If we want to wrap a pane while using margins, the cursor needs to
1721: * be exactly on the right of the region. If the cursor is entirely off
1722: * the edge - move it back to the right. Some terminals are funny about
1723: * this and insert extra spaces, so only use the right if margins are
1724: * enabled.
1.212 nicm 1725: */
1.301 nicm 1726: if (ctx->xoff + ctx->ocx > tty->rright) {
1727: if (!tty_use_margin(tty))
1728: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1729: else
1730: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1731: } else
1.212 nicm 1732: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1733:
1.56 nicm 1734: tty_putc(tty, '\n');
1.240 nicm 1735: }
1736:
1737: void
1738: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1739: {
1.373 nicm 1740: u_int i;
1.240 nicm 1741:
1.309 nicm 1742: if (ctx->bigger ||
1.372 nicm 1743: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1744: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1745: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1746: ctx->sx == 1 ||
1747: ctx->sy == 1) {
1.240 nicm 1748: tty_redraw_region(tty, ctx);
1749: return;
1750: }
1751:
1.373 nicm 1752: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.240 nicm 1753:
1754: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1755: tty_margin_pane(tty, ctx);
1756:
1.284 nicm 1757: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1758: if (!tty_use_margin(tty))
1759: tty_cursor(tty, 0, tty->rlower);
1760: else
1761: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1762: for (i = 0; i < ctx->num; i++)
1.240 nicm 1763: tty_putc(tty, '\n');
1.301 nicm 1764: } else {
1.353 nicm 1765: if (tty->cy == UINT_MAX)
1766: tty_cursor(tty, 0, 0);
1767: else
1768: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1769: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1770: }
1771: }
1772:
1773: void
1774: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1775: {
1.373 nicm 1776: u_int i;
1.331 nicm 1777:
1778: if (ctx->bigger ||
1.372 nicm 1779: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1780: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.331 nicm 1781: !tty_term_has(tty->term, TTYC_CSR) ||
1782: (!tty_term_has(tty->term, TTYC_RI) &&
1783: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1784: ctx->sx == 1 ||
1785: ctx->sy == 1) {
1.331 nicm 1786: tty_redraw_region(tty, ctx);
1787: return;
1788: }
1789:
1.373 nicm 1790: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.331 nicm 1791:
1792: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1793: tty_margin_pane(tty, ctx);
1794: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1795:
1796: if (tty_term_has(tty->term, TTYC_RIN))
1797: tty_putcode1(tty, TTYC_RIN, ctx->num);
1798: else {
1799: for (i = 0; i < ctx->num; i++)
1800: tty_putcode(tty, TTYC_RI);
1.301 nicm 1801: }
1.1 nicm 1802: }
1803:
1804: void
1.24 nicm 1805: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1806: {
1.373 nicm 1807: u_int px, py, nx, ny;
1.1 nicm 1808:
1.373 nicm 1809: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1810:
1.372 nicm 1811: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1812: tty_margin_off(tty);
1.39 nicm 1813:
1.309 nicm 1814: px = 0;
1.372 nicm 1815: nx = ctx->sx;
1.309 nicm 1816: py = ctx->ocy + 1;
1.372 nicm 1817: ny = ctx->sy - ctx->ocy - 1;
1.271 nicm 1818:
1.309 nicm 1819: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1820:
1.309 nicm 1821: px = ctx->ocx;
1.372 nicm 1822: nx = ctx->sx - ctx->ocx;
1.309 nicm 1823: py = ctx->ocy;
1.271 nicm 1824:
1.309 nicm 1825: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1826: }
1827:
1828: void
1.24 nicm 1829: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1830: {
1.373 nicm 1831: u_int px, py, nx, ny;
1.1 nicm 1832:
1.373 nicm 1833: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1834:
1.372 nicm 1835: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1836: tty_margin_off(tty);
1.39 nicm 1837:
1.309 nicm 1838: px = 0;
1.372 nicm 1839: nx = ctx->sx;
1.309 nicm 1840: py = 0;
1.319 nicm 1841: ny = ctx->ocy;
1.271 nicm 1842:
1.309 nicm 1843: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1844:
1.309 nicm 1845: px = 0;
1.271 nicm 1846: nx = ctx->ocx + 1;
1.309 nicm 1847: py = ctx->ocy;
1.271 nicm 1848:
1.309 nicm 1849: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1850: }
1851:
1852: void
1.24 nicm 1853: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1854: {
1.373 nicm 1855: u_int px, py, nx, ny;
1.1 nicm 1856:
1.373 nicm 1857: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1858:
1.372 nicm 1859: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1860: tty_margin_off(tty);
1.39 nicm 1861:
1.309 nicm 1862: px = 0;
1.372 nicm 1863: nx = ctx->sx;
1.309 nicm 1864: py = 0;
1.372 nicm 1865: ny = ctx->sy;
1.271 nicm 1866:
1.309 nicm 1867: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1868: }
1869:
1870: void
1.24 nicm 1871: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1872: {
1.373 nicm 1873: u_int i, j;
1.4 nicm 1874:
1.309 nicm 1875: if (ctx->bigger) {
1.373 nicm 1876: ctx->redraw_cb(ctx);
1.309 nicm 1877: return;
1878: }
1879:
1.373 nicm 1880: tty_attributes(tty, &grid_default_cell, &ctx->defaults, ctx->palette);
1.4 nicm 1881:
1.372 nicm 1882: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1883: tty_margin_off(tty);
1.4 nicm 1884:
1.372 nicm 1885: for (j = 0; j < ctx->sy; j++) {
1.41 nicm 1886: tty_cursor_pane(tty, ctx, 0, j);
1.372 nicm 1887: for (i = 0; i < ctx->sx; i++)
1.4 nicm 1888: tty_putc(tty, 'E');
1.1 nicm 1889: }
1890: }
1891:
1892: void
1.24 nicm 1893: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1894: {
1.309 nicm 1895: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1))
1896: return;
1897:
1.372 nicm 1898: if (ctx->xoff + ctx->ocx - ctx->wox > tty->sx - 1 &&
1.306 nicm 1899: ctx->ocy == ctx->orlower &&
1.372 nicm 1900: tty_full_width(tty, ctx))
1.306 nicm 1901: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1902:
1.306 nicm 1903: tty_margin_off(tty);
1.253 nicm 1904: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1905:
1.373 nicm 1906: tty_cell(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 1907: }
1908:
1909: void
1910: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1911: {
1.309 nicm 1912: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1913: return;
1914:
1915: if (ctx->bigger &&
1.372 nicm 1916: (ctx->xoff + ctx->ocx < ctx->wox ||
1917: ctx->xoff + ctx->ocx + ctx->num > ctx->wox + ctx->wsx)) {
1.309 nicm 1918: if (!ctx->wrapped ||
1.372 nicm 1919: !tty_full_width(tty, ctx) ||
1.382 nicm 1920: (tty->term->flags & TERM_NOAM) ||
1.309 nicm 1921: ctx->xoff + ctx->ocx != 0 ||
1922: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1923: tty->cx < tty->sx ||
1924: tty->cy == tty->rlower)
1925: tty_draw_pane(tty, ctx, ctx->ocy);
1926: else
1.373 nicm 1927: ctx->redraw_cb(ctx);
1.309 nicm 1928: return;
1929: }
1930:
1.306 nicm 1931: tty_margin_off(tty);
1.253 nicm 1932: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1933:
1.373 nicm 1934: tty_attributes(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 1935: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1936: }
1937:
1938: void
1939: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1940: {
1.383 nicm 1941: tty_set_selection(tty, ctx->ptr, ctx->num);
1942: }
1943:
1944: void
1945: tty_set_selection(struct tty *tty, const char *buf, size_t len)
1946: {
1947: char *encoded;
1948: size_t size;
1.106 nicm 1949:
1.384 nicm 1950: if (~tty->flags & TTY_STARTED)
1951: return;
1.106 nicm 1952: if (!tty_term_has(tty->term, TTYC_MS))
1.383 nicm 1953: return;
1.106 nicm 1954:
1.383 nicm 1955: size = 4 * ((len + 2) / 3) + 1; /* storage for base64 */
1956: encoded = xmalloc(size);
1.106 nicm 1957:
1.383 nicm 1958: b64_ntop(buf, len, encoded, size);
1959: tty_putcode_ptr2(tty, TTYC_MS, "", encoded);
1.106 nicm 1960:
1.383 nicm 1961: free(encoded);
1.100 nicm 1962: }
1963:
1964: void
1965: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1966: {
1.256 nicm 1967: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1968: tty_invalidate(tty);
1.348 nicm 1969: }
1970:
1971: void
1972: tty_cmd_syncstart(struct tty *tty, __unused const struct tty_ctx *ctx)
1973: {
1974: tty_sync_start(tty);
1.1 nicm 1975: }
1976:
1.377 nicm 1977: void
1.373 nicm 1978: tty_cell(struct tty *tty, const struct grid_cell *gc,
1979: const struct grid_cell *defaults, int *palette)
1.1 nicm 1980: {
1.298 nicm 1981: const struct grid_cell *gcp;
1.1 nicm 1982:
1983: /* Skip last character if terminal is stupid. */
1.382 nicm 1984: if ((tty->term->flags & TERM_NOAM) &&
1.211 nicm 1985: tty->cy == tty->sy - 1 &&
1986: tty->cx == tty->sx - 1)
1.1 nicm 1987: return;
1988:
1989: /* If this is a padding character, do nothing. */
1990: if (gc->flags & GRID_FLAG_PADDING)
1991: return;
1992:
1.377 nicm 1993: /* Check the output codeset and apply attributes. */
1994: gcp = tty_check_codeset(tty, gc);
1995: tty_attributes(tty, gcp, defaults, palette);
1.1 nicm 1996:
1.377 nicm 1997: /* If it is a single character, write with putc to handle ACS. */
1.298 nicm 1998: if (gcp->data.size == 1) {
1.377 nicm 1999: tty_attributes(tty, gcp, defaults, palette);
1.298 nicm 2000: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 2001: return;
1.298 nicm 2002: tty_putc(tty, *gcp->data.data);
1.1 nicm 2003: return;
2004: }
2005:
1.147 nicm 2006: /* Write the data. */
1.298 nicm 2007: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 2008: }
2009:
2010: void
2011: tty_reset(struct tty *tty)
2012: {
2013: struct grid_cell *gc = &tty->cell;
2014:
1.228 nicm 2015: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 2016: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 2017: tty_putcode(tty, TTYC_RMACS);
2018: tty_putcode(tty, TTYC_SGR0);
2019: memcpy(gc, &grid_default_cell, sizeof *gc);
2020: }
2021: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1.242 nicm 2022: }
2023:
2024: static void
2025: tty_invalidate(struct tty *tty)
2026: {
2027: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
2028: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
2029:
2030: tty->cx = tty->cy = UINT_MAX;
2031: tty->rupper = tty->rleft = UINT_MAX;
2032: tty->rlower = tty->rright = UINT_MAX;
2033:
2034: if (tty->flags & TTY_STARTED) {
1.330 nicm 2035: if (tty_use_margin(tty))
1.365 nicm 2036: tty_putcode(tty, TTYC_ENMG);
1.242 nicm 2037: tty_putcode(tty, TTYC_SGR0);
2038:
2039: tty->mode = ALL_MODES;
2040: tty_update_mode(tty, MODE_CURSOR, NULL);
2041:
2042: tty_cursor(tty, 0, 0);
2043: tty_region_off(tty);
2044: tty_margin_off(tty);
2045: } else
2046: tty->mode = MODE_CURSOR;
1.1 nicm 2047: }
2048:
1.214 nicm 2049: /* Turn off margin. */
2050: void
2051: tty_region_off(struct tty *tty)
2052: {
2053: tty_region(tty, 0, tty->sy - 1);
2054: }
2055:
1.40 nicm 2056: /* Set region inside pane. */
1.208 nicm 2057: static void
1.196 nicm 2058: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
2059: u_int rlower)
1.1 nicm 2060: {
1.372 nicm 2061: tty_region(tty, ctx->yoff + rupper - ctx->woy,
2062: ctx->yoff + rlower - ctx->woy);
1.39 nicm 2063: }
2064:
1.40 nicm 2065: /* Set region at absolute position. */
1.214 nicm 2066: static void
1.40 nicm 2067: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2068: {
2069: if (tty->rlower == rlower && tty->rupper == rupper)
2070: return;
1.1 nicm 2071: if (!tty_term_has(tty->term, TTYC_CSR))
2072: return;
1.39 nicm 2073:
2074: tty->rupper = rupper;
2075: tty->rlower = rlower;
1.55 nicm 2076:
2077: /*
2078: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2079: * 0,0 if it is beyond the last column (they do not reset their wrap
2080: * flag so further output causes a line feed). As a workaround, do an
2081: * explicit move to 0 first.
2082: */
1.353 nicm 2083: if (tty->cx >= tty->sx) {
2084: if (tty->cy == UINT_MAX)
2085: tty_cursor(tty, 0, 0);
2086: else
2087: tty_cursor(tty, 0, tty->cy);
2088: }
1.42 nicm 2089:
1.39 nicm 2090: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2091: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2092: }
2093:
1.214 nicm 2094: /* Turn off margin. */
2095: void
2096: tty_margin_off(struct tty *tty)
2097: {
2098: tty_margin(tty, 0, tty->sx - 1);
2099: }
2100:
1.212 nicm 2101: /* Set margin inside pane. */
2102: static void
2103: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2104: {
1.372 nicm 2105: tty_margin(tty, ctx->xoff - ctx->wox,
1.373 nicm 2106: ctx->xoff + ctx->sx - 1 - ctx->wox);
1.212 nicm 2107: }
2108:
2109: /* Set margin at absolute position. */
1.214 nicm 2110: static void
1.212 nicm 2111: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2112: {
2113: if (!tty_use_margin(tty))
2114: return;
2115: if (tty->rleft == rleft && tty->rright == rright)
2116: return;
2117:
1.232 nicm 2118: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2119:
1.212 nicm 2120: tty->rleft = rleft;
2121: tty->rright = rright;
2122:
1.232 nicm 2123: if (rleft == 0 && rright == tty->sx - 1)
1.365 nicm 2124: tty_putcode(tty, TTYC_CLMG);
1.232 nicm 2125: else
1.365 nicm 2126: tty_putcode2(tty, TTYC_CMG, rleft, rright);
1.249 nicm 2127: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2128: }
2129:
2130: /*
2131: * Move the cursor, unless it would wrap itself when the next character is
2132: * printed.
2133: */
2134: static void
2135: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2136: u_int cx, u_int cy)
2137: {
1.268 nicm 2138: if (!ctx->wrapped ||
1.372 nicm 2139: !tty_full_width(tty, ctx) ||
1.382 nicm 2140: (tty->term->flags & TERM_NOAM) ||
1.253 nicm 2141: ctx->xoff + cx != 0 ||
2142: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2143: tty->cx < tty->sx ||
2144: tty->cy == tty->rlower)
1.253 nicm 2145: tty_cursor_pane(tty, ctx, cx, cy);
2146: else
2147: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2148: }
2149:
1.42 nicm 2150: /* Move cursor inside pane. */
1.208 nicm 2151: static void
1.41 nicm 2152: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2153: {
1.372 nicm 2154: tty_cursor(tty, ctx->xoff + cx - ctx->wox, ctx->yoff + cy - ctx->woy);
1.41 nicm 2155: }
2156:
1.42 nicm 2157: /* Move cursor to absolute position. */
1.41 nicm 2158: void
2159: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2160: {
1.42 nicm 2161: struct tty_term *term = tty->term;
2162: u_int thisx, thisy;
2163: int change;
1.354 nicm 2164:
2165: if (tty->flags & TTY_BLOCK)
2166: return;
1.77 nicm 2167:
1.42 nicm 2168: if (cx > tty->sx - 1)
2169: cx = tty->sx - 1;
2170:
2171: thisx = tty->cx;
2172: thisy = tty->cy;
2173:
2174: /* No change. */
2175: if (cx == thisx && cy == thisy)
2176: return;
2177:
1.43 nicm 2178: /* Very end of the line, just use absolute movement. */
2179: if (thisx > tty->sx - 1)
2180: goto absolute;
2181:
1.42 nicm 2182: /* Move to home position (0, 0). */
2183: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2184: tty_putcode(tty, TTYC_HOME);
2185: goto out;
2186: }
2187:
2188: /* Zero on the next line. */
1.293 nicm 2189: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2190: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2191: tty_putc(tty, '\r');
1.42 nicm 2192: tty_putc(tty, '\n');
2193: goto out;
2194: }
2195:
1.45 nicm 2196: /* Moving column or row. */
1.42 nicm 2197: if (cy == thisy) {
1.45 nicm 2198: /*
2199: * Moving column only, row staying the same.
2200: */
2201:
1.42 nicm 2202: /* To left edge. */
1.294 nicm 2203: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2204: tty_putc(tty, '\r');
2205: goto out;
2206: }
2207:
2208: /* One to the left. */
2209: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2210: tty_putcode(tty, TTYC_CUB1);
2211: goto out;
2212: }
2213:
2214: /* One to the right. */
2215: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2216: tty_putcode(tty, TTYC_CUF1);
2217: goto out;
2218: }
2219:
2220: /* Calculate difference. */
2221: change = thisx - cx; /* +ve left, -ve right */
2222:
2223: /*
2224: * Use HPA if change is larger than absolute, otherwise move
2225: * the cursor with CUB/CUF.
2226: */
1.87 nicm 2227: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2228: tty_putcode1(tty, TTYC_HPA, cx);
2229: goto out;
1.333 nicm 2230: } else if (change > 0 &&
2231: tty_term_has(term, TTYC_CUB) &&
2232: !tty_use_margin(tty)) {
1.202 nicm 2233: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2234: tty_putcode(tty, TTYC_CUB1);
2235: tty_putcode(tty, TTYC_CUB1);
2236: goto out;
2237: }
1.42 nicm 2238: tty_putcode1(tty, TTYC_CUB, change);
2239: goto out;
1.333 nicm 2240: } else if (change < 0 &&
2241: tty_term_has(term, TTYC_CUF) &&
2242: !tty_use_margin(tty)) {
1.42 nicm 2243: tty_putcode1(tty, TTYC_CUF, -change);
2244: goto out;
2245: }
1.45 nicm 2246: } else if (cx == thisx) {
2247: /*
2248: * Moving row only, column staying the same.
2249: */
1.42 nicm 2250:
2251: /* One above. */
1.77 nicm 2252: if (thisy != tty->rupper &&
1.42 nicm 2253: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2254: tty_putcode(tty, TTYC_CUU1);
2255: goto out;
2256: }
2257:
2258: /* One below. */
1.49 nicm 2259: if (thisy != tty->rlower &&
1.42 nicm 2260: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2261: tty_putcode(tty, TTYC_CUD1);
2262: goto out;
2263: }
2264:
2265: /* Calculate difference. */
2266: change = thisy - cy; /* +ve up, -ve down */
2267:
2268: /*
1.77 nicm 2269: * Try to use VPA if change is larger than absolute or if this
2270: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2271: */
1.87 nicm 2272: if ((u_int) abs(change) > cy ||
1.42 nicm 2273: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2274: (change > 0 && cy - change < tty->rupper)) {
2275: if (tty_term_has(term, TTYC_VPA)) {
2276: tty_putcode1(tty, TTYC_VPA, cy);
2277: goto out;
2278: }
1.42 nicm 2279: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2280: tty_putcode1(tty, TTYC_CUU, change);
2281: goto out;
2282: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2283: tty_putcode1(tty, TTYC_CUD, -change);
2284: goto out;
2285: }
2286: }
2287:
1.43 nicm 2288: absolute:
1.42 nicm 2289: /* Absolute movement. */
2290: tty_putcode2(tty, TTYC_CUP, cy, cx);
2291:
2292: out:
2293: tty->cx = cx;
2294: tty->cy = cy;
1.1 nicm 2295: }
2296:
2297: void
1.176 nicm 2298: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.373 nicm 2299: const struct grid_cell *defaults, int *palette)
1.1 nicm 2300: {
1.63 nicm 2301: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2302: int changed;
1.61 nicm 2303:
1.373 nicm 2304: /* Copy cell and update default colours. */
2305: memcpy(&gc2, gc, sizeof gc2);
2306: if (gc2.fg == 8)
2307: gc2.fg = defaults->fg;
2308: if (gc2.bg == 8)
2309: gc2.bg = defaults->bg;
2310:
1.228 nicm 2311: /* Ignore cell if it is the same as the last one. */
1.373 nicm 2312: if (gc2.attr == tty->last_cell.attr &&
2313: gc2.fg == tty->last_cell.fg &&
2314: gc2.bg == tty->last_cell.bg &&
2315: gc2.us == tty->last_cell.us)
1.228 nicm 2316: return;
1.63 nicm 2317:
1.18 nicm 2318: /*
2319: * If no setab, try to use the reverse attribute as a best-effort for a
2320: * non-default background. This is a bit of a hack but it doesn't do
2321: * any serious harm and makes a couple of applications happier.
2322: */
2323: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2324: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2325: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2326: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2327: } else {
1.310 nicm 2328: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2329: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2330: }
2331: }
1.1 nicm 2332:
1.85 nicm 2333: /* Fix up the colours if necessary. */
1.373 nicm 2334: tty_check_fg(tty, palette, &gc2);
2335: tty_check_bg(tty, palette, &gc2);
2336: tty_check_us(tty, palette, &gc2);
1.85 nicm 2337:
1.328 nicm 2338: /*
2339: * If any bits are being cleared or the underline colour is now default,
2340: * reset everything.
2341: */
2342: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2343: tty_reset(tty);
2344:
2345: /*
2346: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2347: * may add to (NOT remove) the desired attributes.
1.64 nicm 2348: */
1.85 nicm 2349: tty_colours(tty, &gc2);
1.64 nicm 2350:
1.1 nicm 2351: /* Filter out attribute bits already set. */
1.85 nicm 2352: changed = gc2.attr & ~tc->attr;
2353: tc->attr = gc2.attr;
1.1 nicm 2354:
2355: /* Set the attributes. */
2356: if (changed & GRID_ATTR_BRIGHT)
2357: tty_putcode(tty, TTYC_BOLD);
2358: if (changed & GRID_ATTR_DIM)
2359: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2360: if (changed & GRID_ATTR_ITALICS)
2361: tty_set_italics(tty);
1.308 nicm 2362: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2363: if ((changed & GRID_ATTR_UNDERSCORE) ||
2364: !tty_term_has(tty->term, TTYC_SMULX))
2365: tty_putcode(tty, TTYC_SMUL);
2366: else if (changed & GRID_ATTR_UNDERSCORE_2)
2367: tty_putcode1(tty, TTYC_SMULX, 2);
2368: else if (changed & GRID_ATTR_UNDERSCORE_3)
2369: tty_putcode1(tty, TTYC_SMULX, 3);
2370: else if (changed & GRID_ATTR_UNDERSCORE_4)
2371: tty_putcode1(tty, TTYC_SMULX, 4);
2372: else if (changed & GRID_ATTR_UNDERSCORE_5)
2373: tty_putcode1(tty, TTYC_SMULX, 5);
2374: }
1.1 nicm 2375: if (changed & GRID_ATTR_BLINK)
2376: tty_putcode(tty, TTYC_BLINK);
2377: if (changed & GRID_ATTR_REVERSE) {
2378: if (tty_term_has(tty->term, TTYC_REV))
2379: tty_putcode(tty, TTYC_REV);
2380: else if (tty_term_has(tty->term, TTYC_SMSO))
2381: tty_putcode(tty, TTYC_SMSO);
2382: }
2383: if (changed & GRID_ATTR_HIDDEN)
2384: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2385: if (changed & GRID_ATTR_STRIKETHROUGH)
2386: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2387: if (changed & GRID_ATTR_OVERLINE)
2388: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2389: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2390: tty_putcode(tty, TTYC_SMACS);
1.373 nicm 2391:
2392: memcpy(&tty->last_cell, &gc2, sizeof tty->last_cell);
1.1 nicm 2393: }
2394:
1.207 nicm 2395: static void
1.85 nicm 2396: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2397: {
1.61 nicm 2398: struct grid_cell *tc = &tty->cell;
1.204 nicm 2399: int have_ax;
1.61 nicm 2400:
2401: /* No changes? Nothing is necessary. */
1.328 nicm 2402: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2403: return;
1.1 nicm 2404:
1.61 nicm 2405: /*
2406: * Is either the default colour? This is handled specially because the
2407: * best solution might be to reset both colours to default, in which
2408: * case if only one is default need to fall onward to set the other
2409: * colour.
2410: */
1.310 nicm 2411: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2412: /*
2413: * If don't have AX but do have op, send sgr0 (op can't
2414: * actually be used because it is sometimes the same as sgr0
2415: * and sometimes isn't). This resets both colours to default.
2416: *
2417: * Otherwise, try to set the default colour only as needed.
2418: */
1.174 nicm 2419: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2420: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2421: tty_reset(tty);
2422: else {
1.310 nicm 2423: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2424: if (have_ax)
2425: tty_puts(tty, "\033[39m");
1.204 nicm 2426: else if (tc->fg != 7)
1.61 nicm 2427: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2428: tc->fg = gc->fg;
1.61 nicm 2429: }
1.310 nicm 2430: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2431: if (have_ax)
1.61 nicm 2432: tty_puts(tty, "\033[49m");
1.204 nicm 2433: else if (tc->bg != 0)
1.61 nicm 2434: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2435: tc->bg = gc->bg;
1.61 nicm 2436: }
2437: }
2438: }
1.1 nicm 2439:
1.61 nicm 2440: /* Set the foreground colour. */
1.310 nicm 2441: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2442: tty_colours_fg(tty, gc);
1.1 nicm 2443:
1.61 nicm 2444: /*
2445: * Set the background colour. This must come after the foreground as
2446: * tty_colour_fg() can call tty_reset().
2447: */
1.310 nicm 2448: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2449: tty_colours_bg(tty, gc);
1.328 nicm 2450:
2451: /* Set the underscore color. */
2452: if (gc->us != tc->us)
2453: tty_colours_us(tty, gc);
1.1 nicm 2454: }
2455:
1.219 nicm 2456: static void
1.373 nicm 2457: tty_check_fg(struct tty *tty, int *palette, struct grid_cell *gc)
1.85 nicm 2458: {
1.204 nicm 2459: u_char r, g, b;
2460: u_int colours;
1.223 nicm 2461: int c;
1.85 nicm 2462:
1.288 nicm 2463: /*
2464: * Perform substitution if this pane has a palette. If the bright
2465: * attribute is set, use the bright entry in the palette by changing to
2466: * the aixterm colour.
2467: */
2468: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2469: c = gc->fg;
1.289 nicm 2470: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2471: c += 90;
1.373 nicm 2472: if ((c = tty_get_palette(palette, c)) != -1)
1.288 nicm 2473: gc->fg = c;
2474: }
1.219 nicm 2475:
1.199 nicm 2476: /* Is this a 24-bit colour? */
1.204 nicm 2477: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2478: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2479: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2480: return;
1.341 nicm 2481: colour_split_rgb(gc->fg, &r, &g, &b);
2482: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2483: }
1.224 nicm 2484:
2485: /* How many colours does this terminal have? */
1.359 nicm 2486: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2487: colours = 256;
2488: else
2489: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2490:
1.85 nicm 2491: /* Is this a 256-colour colour? */
1.204 nicm 2492: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2493: /* And not a 256 colour mode? */
1.387 nicm 2494: if (colours < 256) {
1.85 nicm 2495: gc->fg = colour_256to16(gc->fg);
2496: if (gc->fg & 8) {
2497: gc->fg &= 7;
1.175 nicm 2498: if (colours >= 16)
2499: gc->fg += 90;
1.332 nicm 2500: }
1.85 nicm 2501: }
2502: return;
2503: }
2504:
2505: /* Is this an aixterm colour? */
2506: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2507: gc->fg -= 90;
2508: gc->attr |= GRID_ATTR_BRIGHT;
2509: }
2510: }
2511:
1.219 nicm 2512: static void
1.373 nicm 2513: tty_check_bg(struct tty *tty, int *palette, struct grid_cell *gc)
1.85 nicm 2514: {
1.204 nicm 2515: u_char r, g, b;
2516: u_int colours;
1.223 nicm 2517: int c;
1.85 nicm 2518:
1.288 nicm 2519: /* Perform substitution if this pane has a palette. */
2520: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.373 nicm 2521: if ((c = tty_get_palette(palette, gc->bg)) != -1)
1.288 nicm 2522: gc->bg = c;
2523: }
1.219 nicm 2524:
1.199 nicm 2525: /* Is this a 24-bit colour? */
1.204 nicm 2526: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2527: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2528: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2529: return;
1.341 nicm 2530: colour_split_rgb(gc->bg, &r, &g, &b);
2531: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2532: }
1.224 nicm 2533:
2534: /* How many colours does this terminal have? */
1.359 nicm 2535: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2536: colours = 256;
2537: else
2538: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2539:
1.85 nicm 2540: /* Is this a 256-colour colour? */
1.204 nicm 2541: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2542: /*
2543: * And not a 256 colour mode? Translate to 16-colour
2544: * palette. Bold background doesn't exist portably, so just
2545: * discard the bold bit if set.
2546: */
1.387 nicm 2547: if (colours < 256) {
1.85 nicm 2548: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2549: if (gc->bg & 8) {
1.85 nicm 2550: gc->bg &= 7;
1.175 nicm 2551: if (colours >= 16)
1.322 nicm 2552: gc->bg += 90;
1.175 nicm 2553: }
1.85 nicm 2554: }
2555: return;
2556: }
2557:
2558: /* Is this an aixterm colour? */
1.175 nicm 2559: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2560: gc->bg -= 90;
2561: }
2562:
1.207 nicm 2563: static void
1.373 nicm 2564: tty_check_us(__unused struct tty *tty, int *palette, struct grid_cell *gc)
1.328 nicm 2565: {
2566: int c;
2567:
2568: /* Perform substitution if this pane has a palette. */
2569: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.373 nicm 2570: if ((c = tty_get_palette(palette, gc->us)) != -1)
1.328 nicm 2571: gc->us = c;
2572: }
2573:
2574: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2575: if (gc->us & COLOUR_FLAG_256)
2576: gc->us = colour_256toRGB (gc->us);
2577: }
2578:
2579: static void
1.85 nicm 2580: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2581: {
1.61 nicm 2582: struct grid_cell *tc = &tty->cell;
1.79 nicm 2583: char s[32];
1.1 nicm 2584:
1.204 nicm 2585: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2586: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2587: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.385 nicm 2588: goto save;
1.199 nicm 2589: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2590: return;
1.1 nicm 2591: }
2592:
1.79 nicm 2593: /* Is this an aixterm bright colour? */
1.204 nicm 2594: if (gc->fg >= 90 && gc->fg <= 97) {
1.359 nicm 2595: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2596: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2597: tty_puts(tty, s);
2598: } else
2599: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.385 nicm 2600: goto save;
1.79 nicm 2601: }
2602:
1.61 nicm 2603: /* Otherwise set the foreground colour. */
1.204 nicm 2604: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2605:
1.385 nicm 2606: save:
1.61 nicm 2607: /* Save the new values in the terminal current cell. */
1.204 nicm 2608: tc->fg = gc->fg;
1.1 nicm 2609: }
2610:
1.207 nicm 2611: static void
1.73 nicm 2612: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2613: {
1.61 nicm 2614: struct grid_cell *tc = &tty->cell;
1.79 nicm 2615: char s[32];
1.1 nicm 2616:
1.204 nicm 2617: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2618: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2619: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.385 nicm 2620: goto save;
1.199 nicm 2621: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2622: return;
1.79 nicm 2623: }
2624:
2625: /* Is this an aixterm bright colour? */
1.204 nicm 2626: if (gc->bg >= 90 && gc->bg <= 97) {
1.359 nicm 2627: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2628: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2629: tty_puts(tty, s);
2630: } else
2631: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.385 nicm 2632: goto save;
1.1 nicm 2633: }
2634:
1.61 nicm 2635: /* Otherwise set the background colour. */
1.204 nicm 2636: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2637:
1.385 nicm 2638: save:
1.61 nicm 2639: /* Save the new values in the terminal current cell. */
1.204 nicm 2640: tc->bg = gc->bg;
1.328 nicm 2641: }
2642:
2643: static void
2644: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2645: {
2646: struct grid_cell *tc = &tty->cell;
2647: u_int c;
2648: u_char r, g, b;
2649:
1.385 nicm 2650: /* Clear underline colour. */
2651: if (gc->us == 0) {
2652: tty_putcode(tty, TTYC_OL);
2653: goto save;
2654: }
2655:
1.328 nicm 2656: /* Must be an RGB colour - this should never happen. */
2657: if (~gc->us & COLOUR_FLAG_RGB)
2658: return;
2659:
2660: /*
1.385 nicm 2661: * Setulc and setal follows the ncurses(3) one argument "direct colour"
1.328 nicm 2662: * capability format. Calculate the colour value.
2663: */
2664: colour_split_rgb(gc->us, &r, &g, &b);
2665: c = (65536 * r) + (256 * g) + b;
2666:
1.385 nicm 2667: /*
2668: * Write the colour. Only use setal if the RGB flag is set because the
2669: * non-RGB version may be wrong.
2670: */
2671: if (tty_term_has(tty->term, TTYC_SETULC))
2672: tty_putcode1(tty, TTYC_SETULC, c);
2673: else if (tty_term_has(tty->term, TTYC_SETAL) &&
2674: tty_term_has(tty->term, TTYC_RGB))
2675: tty_putcode1(tty, TTYC_SETAL, c);
1.328 nicm 2676:
1.385 nicm 2677: save:
1.328 nicm 2678: /* Save the new values in the terminal current cell. */
2679: tc->us = gc->us;
1.61 nicm 2680: }
2681:
1.207 nicm 2682: static int
1.204 nicm 2683: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2684: {
1.204 nicm 2685: u_char r, g, b;
1.61 nicm 2686:
1.204 nicm 2687: if (colour & COLOUR_FLAG_256) {
1.359 nicm 2688: if (*type == '3' && tty_term_has(tty->term, TTYC_SETAF))
2689: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2690: else if (tty_term_has(tty->term, TTYC_SETAB))
2691: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2692: return (0);
1.204 nicm 2693: }
2694:
2695: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2696: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.359 nicm 2697: if (*type == '3' && tty_term_has(tty->term, TTYC_SETRGBF))
1.286 nicm 2698: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
1.359 nicm 2699: else if (tty_term_has(tty->term, TTYC_SETRGBB))
1.286 nicm 2700: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
1.165 nicm 2701: return (0);
2702: }
1.61 nicm 2703:
1.165 nicm 2704: return (-1);
1.176 nicm 2705: }
2706:
1.207 nicm 2707: static void
1.371 nicm 2708: tty_window_default_style(struct grid_cell *gc, struct window_pane *wp)
2709: {
2710: memcpy(gc, &grid_default_cell, sizeof *gc);
2711: gc->fg = wp->fg;
2712: gc->bg = wp->bg;
2713: }
2714:
1.373 nicm 2715: void
1.317 nicm 2716: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2717: {
1.326 nicm 2718: struct options *oo = wp->options;
1.373 nicm 2719:
2720: memcpy(gc, &grid_default_cell, sizeof *gc);
1.326 nicm 2721:
2722: if (wp->flags & PANE_STYLECHANGED) {
2723: wp->flags &= ~PANE_STYLECHANGED;
1.371 nicm 2724:
2725: tty_window_default_style(&wp->cached_active_gc, wp);
2726: style_add(&wp->cached_active_gc, oo, "window-active-style",
2727: NULL);
2728: tty_window_default_style(&wp->cached_gc, wp);
2729: style_add(&wp->cached_gc, oo, "window-style", NULL);
1.203 nicm 2730: }
1.176 nicm 2731:
1.204 nicm 2732: if (gc->fg == 8) {
1.370 nicm 2733: if (wp == wp->window->active && wp->cached_active_gc.fg != 8)
2734: gc->fg = wp->cached_active_gc.fg;
1.204 nicm 2735: else
1.370 nicm 2736: gc->fg = wp->cached_gc.fg;
1.176 nicm 2737: }
2738:
1.204 nicm 2739: if (gc->bg == 8) {
1.370 nicm 2740: if (wp == wp->window->active && wp->cached_active_gc.bg != 8)
2741: gc->bg = wp->cached_active_gc.bg;
1.204 nicm 2742: else
1.370 nicm 2743: gc->bg = wp->cached_gc.bg;
1.176 nicm 2744: }
1.210 nicm 2745: }
2746:
2747: static void
1.373 nicm 2748: tty_default_attributes(struct tty *tty, const struct grid_cell *defaults,
2749: int *palette, u_int bg)
1.210 nicm 2750: {
1.373 nicm 2751: struct grid_cell gc;
1.210 nicm 2752:
2753: memcpy(&gc, &grid_default_cell, sizeof gc);
2754: gc.bg = bg;
1.373 nicm 2755: tty_attributes(tty, &gc, defaults, palette);
1.1 nicm 2756: }
![[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