Annotation of src/usr.bin/tmux/tty.c, Revision 1.414
1.414 ! nicm 1: /* $OpenBSD: tty.c,v 1.413 2021/12/06 10:08:42 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 *);
1.410 nicm 41: static void tty_force_cursor_colour(struct tty *, int);
1.208 nicm 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 *);
1.399 nicm 48: static void tty_check_fg(struct tty *, struct colour_palette *,
49: struct grid_cell *);
50: static void tty_check_bg(struct tty *, struct colour_palette *,
51: struct grid_cell *);
52: static void tty_check_us(struct tty *, struct colour_palette *,
53: struct grid_cell *);
1.207 nicm 54: static void tty_colours_fg(struct tty *, const struct grid_cell *);
55: static void tty_colours_bg(struct tty *, const struct grid_cell *);
1.328 nicm 56: static void tty_colours_us(struct tty *, const struct grid_cell *);
1.207 nicm 57:
1.208 nicm 58: static void tty_region_pane(struct tty *, const struct tty_ctx *, u_int,
59: u_int);
1.214 nicm 60: static void tty_region(struct tty *, u_int, u_int);
1.212 nicm 61: static void tty_margin_pane(struct tty *, const struct tty_ctx *);
1.214 nicm 62: static void tty_margin(struct tty *, u_int, u_int);
1.207 nicm 63: static int tty_large_region(struct tty *, const struct tty_ctx *);
1.373 nicm 64: static int tty_fake_bce(const struct tty *, const struct grid_cell *,
65: u_int);
1.207 nicm 66: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
67: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
68: enum tty_code_code, u_int);
69: static void tty_repeat_space(struct tty *, u_int);
1.309 nicm 70: static void tty_draw_pane(struct tty *, const struct tty_ctx *, u_int);
1.373 nicm 71: static void tty_default_attributes(struct tty *, const struct grid_cell *,
1.399 nicm 72: struct colour_palette *, u_int);
1.394 nicm 73: static int tty_check_overlay(struct tty *, u_int, u_int);
1.406 nicm 74: static void tty_check_overlay_range(struct tty *, u_int, u_int, u_int,
75: struct overlay_ranges *);
1.1 nicm 76:
1.212 nicm 77: #define tty_use_margin(tty) \
1.359 nicm 78: (tty->term->flags & TERM_DECSLRM)
1.372 nicm 79: #define tty_full_width(tty, ctx) \
80: ((ctx)->xoff == 0 && (ctx)->sx >= (tty)->sx)
1.132 nicm 81:
1.266 nicm 82: #define TTY_BLOCK_INTERVAL (100000 /* 100 milliseconds */)
83: #define TTY_BLOCK_START(tty) (1 + ((tty)->sx * (tty)->sy) * 8)
84: #define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
85:
1.192 nicm 86: void
87: tty_create_log(void)
88: {
89: char name[64];
90:
91: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
92:
93: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
94: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
95: fatal("fcntl failed");
96: }
97:
1.185 nicm 98: int
1.380 nicm 99: tty_init(struct tty *tty, struct client *c)
1.1 nicm 100: {
1.380 nicm 101: if (!isatty(c->fd))
1.185 nicm 102: return (-1);
103:
1.30 nicm 104: memset(tty, 0, sizeof *tty);
1.136 nicm 105: tty->client = c;
1.30 nicm 106:
1.391 nicm 107: tty->cstyle = SCREEN_CURSOR_DEFAULT;
1.410 nicm 108: tty->ccolour = -1;
1.30 nicm 109:
1.380 nicm 110: if (tcgetattr(c->fd, &tty->tio) != 0)
111: return (-1);
1.185 nicm 112: return (0);
1.31 nicm 113: }
114:
1.287 nicm 115: void
1.31 nicm 116: tty_resize(struct tty *tty)
117: {
1.258 nicm 118: struct client *c = tty->client;
119: struct winsize ws;
1.334 nicm 120: u_int sx, sy, xpixel, ypixel;
1.31 nicm 121:
1.380 nicm 122: if (ioctl(c->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 123: sx = ws.ws_col;
1.334 nicm 124: if (sx == 0) {
1.88 nicm 125: sx = 80;
1.334 nicm 126: xpixel = 0;
127: } else
128: xpixel = ws.ws_xpixel / sx;
1.88 nicm 129: sy = ws.ws_row;
1.334 nicm 130: if (sy == 0) {
1.88 nicm 131: sy = 24;
1.334 nicm 132: ypixel = 0;
133: } else
134: ypixel = ws.ws_ypixel / sy;
1.88 nicm 135: } else {
136: sx = 80;
137: sy = 24;
1.334 nicm 138: xpixel = 0;
139: ypixel = 0;
1.31 nicm 140: }
1.334 nicm 141: log_debug("%s: %s now %ux%u (%ux%u)", __func__, c->name, sx, sy,
142: xpixel, ypixel);
143: tty_set_size(tty, sx, sy, xpixel, ypixel);
1.242 nicm 144: tty_invalidate(tty);
1.114 nicm 145: }
146:
1.287 nicm 147: void
1.334 nicm 148: tty_set_size(struct tty *tty, u_int sx, u_int sy, u_int xpixel, u_int ypixel)
1.212 nicm 149: {
1.114 nicm 150: tty->sx = sx;
151: tty->sy = sy;
1.334 nicm 152: tty->xpixel = xpixel;
153: tty->ypixel = ypixel;
1.1 nicm 154: }
155:
1.244 nicm 156: static void
157: tty_read_callback(__unused int fd, __unused short events, void *data)
158: {
159: struct tty *tty = data;
1.258 nicm 160: struct client *c = tty->client;
1.375 nicm 161: const char *name = c->name;
1.244 nicm 162: size_t size = EVBUFFER_LENGTH(tty->in);
163: int nread;
164:
1.380 nicm 165: nread = evbuffer_read(tty->in, c->fd, -1);
1.295 nicm 166: if (nread == 0 || nread == -1) {
1.375 nicm 167: if (nread == 0)
168: log_debug("%s: read closed", name);
169: else
170: log_debug("%s: read error: %s", name, strerror(errno));
1.290 nicm 171: event_del(&tty->event_in);
1.295 nicm 172: server_client_lost(tty->client);
1.244 nicm 173: return;
1.290 nicm 174: }
1.375 nicm 175: log_debug("%s: read %d bytes (already %zu)", name, nread, size);
1.244 nicm 176:
177: while (tty_keys_next(tty))
178: ;
179: }
180:
181: static void
1.266 nicm 182: tty_timer_callback(__unused int fd, __unused short events, void *data)
183: {
184: struct tty *tty = data;
185: struct client *c = tty->client;
186: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
187:
188: log_debug("%s: %zu discarded", c->name, tty->discarded);
189:
1.305 nicm 190: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.266 nicm 191: c->discarded += tty->discarded;
192:
193: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
194: tty->flags &= ~TTY_BLOCK;
195: tty_invalidate(tty);
196: return;
197: }
198: tty->discarded = 0;
199: evtimer_add(&tty->timer, &tv);
200: }
201:
202: static int
203: tty_block_maybe(struct tty *tty)
204: {
205: struct client *c = tty->client;
206: size_t size = EVBUFFER_LENGTH(tty->out);
207: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
208:
1.414 ! nicm 209: if (size == 0)
! 210: tty->flags &= ~TTY_NOBLOCK;
! 211: else if (tty->flags & TTY_NOBLOCK)
! 212: return (0);
! 213:
1.266 nicm 214: if (size < TTY_BLOCK_START(tty))
215: return (0);
216:
217: if (tty->flags & TTY_BLOCK)
218: return (1);
219: tty->flags |= TTY_BLOCK;
220:
221: log_debug("%s: can't keep up, %zu discarded", c->name, size);
222:
223: evbuffer_drain(tty->out, size);
224: c->discarded += size;
225:
226: tty->discarded = 0;
227: evtimer_add(&tty->timer, &tv);
228: return (1);
229: }
230:
231: static void
1.244 nicm 232: tty_write_callback(__unused int fd, __unused short events, void *data)
233: {
1.246 nicm 234: struct tty *tty = data;
1.258 nicm 235: struct client *c = tty->client;
1.246 nicm 236: size_t size = EVBUFFER_LENGTH(tty->out);
237: int nwrite;
1.244 nicm 238:
1.380 nicm 239: nwrite = evbuffer_write(tty->out, c->fd);
1.244 nicm 240: if (nwrite == -1)
241: return;
1.258 nicm 242: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 243:
1.270 nicm 244: if (c->redraw > 0) {
245: if ((size_t)nwrite >= c->redraw)
246: c->redraw = 0;
247: else
248: c->redraw -= nwrite;
249: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
250: c->redraw);
251: } else if (tty_block_maybe(tty))
1.266 nicm 252: return;
253:
1.247 nicm 254: if (EVBUFFER_LENGTH(tty->out) != 0)
255: event_add(&tty->event_out, NULL);
1.244 nicm 256: }
257:
1.1 nicm 258: int
1.166 nicm 259: tty_open(struct tty *tty, char **cause)
1.1 nicm 260: {
1.359 nicm 261: struct client *c = tty->client;
262:
1.389 nicm 263: tty->term = tty_term_create(tty, c->term_name, c->term_caps,
264: c->term_ncaps, &c->term_features, cause);
1.21 nicm 265: if (tty->term == NULL) {
266: tty_close(tty);
267: return (-1);
268: }
269: tty->flags |= TTY_OPENED;
1.1 nicm 270:
1.266 nicm 271: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 272:
1.380 nicm 273: event_set(&tty->event_in, c->fd, EV_PERSIST|EV_READ,
1.244 nicm 274: tty_read_callback, tty);
275: tty->in = evbuffer_new();
1.311 nicm 276: if (tty->in == NULL)
277: fatal("out of memory");
1.1 nicm 278:
1.380 nicm 279: event_set(&tty->event_out, c->fd, EV_WRITE, tty_write_callback, tty);
1.244 nicm 280: tty->out = evbuffer_new();
1.311 nicm 281: if (tty->out == NULL)
282: fatal("out of memory");
1.1 nicm 283:
1.266 nicm 284: evtimer_set(&tty->timer, tty_timer_callback, tty);
285:
1.1 nicm 286: tty_start_tty(tty);
287:
1.148 nicm 288: tty_keys_build(tty);
1.1 nicm 289:
290: return (0);
291: }
292:
1.340 nicm 293: static void
294: tty_start_timer_callback(__unused int fd, __unused short events, void *data)
295: {
296: struct tty *tty = data;
297: struct client *c = tty->client;
298:
299: log_debug("%s: start timer fired", c->name);
1.378 nicm 300: if ((tty->flags & (TTY_HAVEDA|TTY_HAVEXDA)) == 0)
301: tty_update_features(tty);
1.364 nicm 302: tty->flags |= (TTY_HAVEDA|TTY_HAVEXDA);
1.340 nicm 303: }
304:
1.244 nicm 305: void
306: tty_start_tty(struct tty *tty)
1.1 nicm 307: {
1.285 nicm 308: struct client *c = tty->client;
309: struct termios tio;
1.412 nicm 310: struct timeval tv = { .tv_sec = 3 };
1.33 nicm 311:
1.380 nicm 312: setblocking(c->fd, 0);
313: event_add(&tty->event_in, NULL);
314:
315: memcpy(&tio, &tty->tio, sizeof tio);
316: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
317: tio.c_iflag |= IGNBRK;
318: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
319: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|ECHOPRT|
320: ECHOKE|ISIG);
321: tio.c_cc[VMIN] = 1;
322: tio.c_cc[VTIME] = 0;
323: if (tcsetattr(c->fd, TCSANOW, &tio) == 0)
1.404 nicm 324: tcflush(c->fd, TCOFLUSH);
1.1 nicm 325:
1.10 nicm 326: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 327:
1.252 nicm 328: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 329: tty_putcode(tty, TTYC_CLEAR);
330:
331: if (tty_acs_needed(tty)) {
332: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 333: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 334: } else
335: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 336:
337: tty_putcode(tty, TTYC_CNORM);
1.343 nicm 338: if (tty_term_has(tty->term, TTYC_KMOUS)) {
339: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1003l");
340: tty_puts(tty, "\033[?1006l\033[?1005l");
341: }
1.121 nicm 342:
1.340 nicm 343: evtimer_set(&tty->start_timer, tty_start_timer_callback, tty);
344: evtimer_add(&tty->start_timer, &tv);
345:
1.20 nicm 346: tty->flags |= TTY_STARTED;
1.242 nicm 347: tty_invalidate(tty);
1.107 nicm 348:
1.410 nicm 349: if (tty->ccolour != -1)
350: tty_force_cursor_colour(tty, -1);
1.177 nicm 351:
352: tty->mouse_drag_flag = 0;
353: tty->mouse_drag_update = NULL;
354: tty->mouse_drag_release = NULL;
1.347 nicm 355: }
356:
357: void
358: tty_send_requests(struct tty *tty)
359: {
360: if (~tty->flags & TTY_STARTED)
361: return;
362:
1.369 nicm 363: if (tty->term->flags & TERM_VT100LIKE) {
1.347 nicm 364: if (~tty->flags & TTY_HAVEDA)
1.351 nicm 365: tty_puts(tty, "\033[>c");
1.364 nicm 366: if (~tty->flags & TTY_HAVEXDA)
367: tty_puts(tty, "\033[>q");
1.347 nicm 368: } else
1.364 nicm 369: tty->flags |= (TTY_HAVEDA|TTY_HAVEXDA);
1.128 nicm 370: }
371:
372: void
1.1 nicm 373: tty_stop_tty(struct tty *tty)
374: {
1.380 nicm 375: struct client *c = tty->client;
376: struct winsize ws;
1.1 nicm 377:
1.20 nicm 378: if (!(tty->flags & TTY_STARTED))
379: return;
380: tty->flags &= ~TTY_STARTED;
1.340 nicm 381:
382: evtimer_del(&tty->start_timer);
1.20 nicm 383:
1.266 nicm 384: event_del(&tty->timer);
385: tty->flags &= ~TTY_BLOCK;
386:
1.244 nicm 387: event_del(&tty->event_in);
388: event_del(&tty->event_out);
1.66 nicm 389:
1.1 nicm 390: /*
391: * Be flexible about error handling and try not kill the server just
392: * because the fd is invalid. Things like ssh -t can easily leave us
393: * with a dead tty.
394: */
1.380 nicm 395: if (ioctl(c->fd, TIOCGWINSZ, &ws) == -1)
1.1 nicm 396: return;
1.380 nicm 397: if (tcsetattr(c->fd, TCSANOW, &tty->tio) == -1)
1.1 nicm 398: return;
399:
400: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 401: if (tty_acs_needed(tty))
1.90 nicm 402: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 403: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
404: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
405: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.391 nicm 406: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
1.160 nicm 407: if (tty_term_has(tty->term, TTYC_SE))
408: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.391 nicm 409: else if (tty_term_has(tty->term, TTYC_SS))
1.160 nicm 410: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 411: }
1.173 nicm 412: if (tty->mode & MODE_BRACKETPASTE)
1.366 nicm 413: tty_raw(tty, tty_term_string(tty->term, TTYC_DSBP));
1.410 nicm 414: if (tty->ccolour != -1)
1.336 nicm 415: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 416:
417: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
1.343 nicm 418: if (tty_term_has(tty->term, TTYC_KMOUS)) {
419: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1003l");
420: tty_raw(tty, "\033[?1006l\033[?1005l");
421: }
1.151 nicm 422:
1.369 nicm 423: if (tty->term->flags & TERM_VT100LIKE)
1.352 nicm 424: tty_raw(tty, "\033[?7727l");
1.378 nicm 425: tty_raw(tty, tty_term_string(tty->term, TTYC_DSFCS));
426: tty_raw(tty, tty_term_string(tty->term, TTYC_DSEKS));
1.10 nicm 427:
1.212 nicm 428: if (tty_use_margin(tty))
1.365 nicm 429: tty_raw(tty, tty_term_string(tty->term, TTYC_DSMG));
1.10 nicm 430: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 431:
1.380 nicm 432: setblocking(c->fd, 1);
1.1 nicm 433: }
434:
435: void
1.20 nicm 436: tty_close(struct tty *tty)
1.1 nicm 437: {
1.123 nicm 438: if (event_initialized(&tty->key_timer))
439: evtimer_del(&tty->key_timer);
1.20 nicm 440: tty_stop_tty(tty);
1.1 nicm 441:
1.21 nicm 442: if (tty->flags & TTY_OPENED) {
1.244 nicm 443: evbuffer_free(tty->in);
444: event_del(&tty->event_in);
445: evbuffer_free(tty->out);
446: event_del(&tty->event_out);
1.66 nicm 447:
1.21 nicm 448: tty_term_free(tty->term);
449: tty_keys_free(tty);
450:
451: tty->flags &= ~TTY_OPENED;
452: }
1.1 nicm 453: }
454:
455: void
1.20 nicm 456: tty_free(struct tty *tty)
1.1 nicm 457: {
1.20 nicm 458: tty_close(tty);
1.1 nicm 459: }
460:
461: void
1.359 nicm 462: tty_update_features(struct tty *tty)
1.212 nicm 463: {
1.359 nicm 464: struct client *c = tty->client;
465:
1.362 nicm 466: if (tty_apply_features(tty->term, c->term_features))
467: tty_term_apply_overrides(tty->term);
1.212 nicm 468:
469: if (tty_use_margin(tty))
1.365 nicm 470: tty_putcode(tty, TTYC_ENMG);
1.378 nicm 471: if (options_get_number(global_options, "extended-keys"))
472: tty_puts(tty, tty_term_string(tty->term, TTYC_ENEKS));
473: if (options_get_number(global_options, "focus-events"))
1.379 nicm 474: tty_puts(tty, tty_term_string(tty->term, TTYC_ENFCS));
1.378 nicm 475: if (tty->term->flags & TERM_VT100LIKE)
476: tty_puts(tty, "\033[?7727h");
1.212 nicm 477: }
478:
479: void
1.1 nicm 480: tty_raw(struct tty *tty, const char *s)
481: {
1.380 nicm 482: struct client *c = tty->client;
483: ssize_t n, slen;
484: u_int i;
1.150 nicm 485:
486: slen = strlen(s);
487: for (i = 0; i < 5; i++) {
1.380 nicm 488: n = write(c->fd, s, slen);
1.150 nicm 489: if (n >= 0) {
490: s += n;
491: slen -= n;
492: if (slen == 0)
493: break;
494: } else if (n == -1 && errno != EAGAIN)
495: break;
496: usleep(100);
497: }
1.1 nicm 498: }
499:
500: void
501: tty_putcode(struct tty *tty, enum tty_code_code code)
502: {
503: tty_puts(tty, tty_term_string(tty->term, code));
504: }
505:
506: void
507: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
508: {
509: if (a < 0)
510: return;
511: tty_puts(tty, tty_term_string1(tty->term, code, a));
512: }
513:
514: void
515: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
516: {
517: if (a < 0 || b < 0)
518: return;
519: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
520: }
521:
522: void
1.286 nicm 523: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
524: {
525: if (a < 0 || b < 0 || c < 0)
526: return;
527: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
528: }
529:
530: void
1.107 nicm 531: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
532: {
533: if (a != NULL)
534: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
535: }
536:
537: void
1.167 nicm 538: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
539: const void *b)
1.106 nicm 540: {
541: if (a != NULL && b != NULL)
542: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
543: }
544:
1.243 nicm 545: static void
546: tty_add(struct tty *tty, const char *buf, size_t len)
547: {
1.258 nicm 548: struct client *c = tty->client;
549:
1.266 nicm 550: if (tty->flags & TTY_BLOCK) {
551: tty->discarded += len;
552: return;
553: }
554:
1.244 nicm 555: evbuffer_add(tty->out, buf, len);
1.270 nicm 556: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 557: c->written += len;
1.243 nicm 558:
559: if (tty_log_fd != -1)
560: write(tty_log_fd, buf, len);
1.244 nicm 561: if (tty->flags & TTY_STARTED)
562: event_add(&tty->event_out, NULL);
1.243 nicm 563: }
564:
1.106 nicm 565: void
1.1 nicm 566: tty_puts(struct tty *tty, const char *s)
567: {
1.243 nicm 568: if (*s != '\0')
569: tty_add(tty, s, strlen(s));
1.1 nicm 570: }
571:
572: void
573: tty_putc(struct tty *tty, u_char ch)
574: {
1.90 nicm 575: const char *acs;
1.1 nicm 576:
1.382 nicm 577: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 578: ch >= 0x20 && ch != 0x7f &&
579: tty->cy == tty->sy - 1 &&
580: tty->cx + 1 >= tty->sx)
581: return;
582:
1.90 nicm 583: if (tty->cell.attr & GRID_ATTR_CHARSET) {
584: acs = tty_acs_get(tty, ch);
1.243 nicm 585: if (acs != NULL)
586: tty_add(tty, acs, strlen(acs));
587: else
588: tty_add(tty, &ch, 1);
589: } else
590: tty_add(tty, &ch, 1);
1.1 nicm 591:
592: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 593: if (tty->cx >= tty->sx) {
1.46 nicm 594: tty->cx = 1;
595: if (tty->cy != tty->rlower)
596: tty->cy++;
1.211 nicm 597:
598: /*
1.382 nicm 599: * On !am terminals, force the cursor position to where
600: * we think it should be after a line wrap - this means
601: * it works on sensible terminals as well.
1.211 nicm 602: */
1.382 nicm 603: if (tty->term->flags & TERM_NOAM)
1.211 nicm 604: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 605: } else
606: tty->cx++;
607: }
608: }
609:
610: void
1.147 nicm 611: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 612: {
1.382 nicm 613: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 614: tty->cy == tty->sy - 1 &&
615: tty->cx + len >= tty->sx)
616: len = tty->sx - tty->cx - 1;
617:
1.243 nicm 618: tty_add(tty, buf, len);
1.268 nicm 619: if (tty->cx + width > tty->sx) {
620: tty->cx = (tty->cx + width) - tty->sx;
621: if (tty->cx <= tty->sx)
622: tty->cy++;
623: else
624: tty->cx = tty->cy = UINT_MAX;
625: } else
1.254 nicm 626: tty->cx += width;
1.5 nicm 627: }
628:
1.207 nicm 629: static void
1.180 nicm 630: tty_set_italics(struct tty *tty)
631: {
632: const char *s;
633:
634: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 635: s = options_get_string(global_options, "default-terminal");
1.180 nicm 636: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
637: tty_putcode(tty, TTYC_SITM);
638: return;
639: }
640: }
641: tty_putcode(tty, TTYC_SMSO);
642: }
643:
644: void
1.1 nicm 645: tty_set_title(struct tty *tty, const char *title)
646: {
1.105 nicm 647: if (!tty_term_has(tty->term, TTYC_TSL) ||
648: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 649: return;
650:
1.105 nicm 651: tty_putcode(tty, TTYC_TSL);
1.1 nicm 652: tty_puts(tty, title);
1.105 nicm 653: tty_putcode(tty, TTYC_FSL);
1.1 nicm 654: }
655:
1.208 nicm 656: static void
1.410 nicm 657: tty_force_cursor_colour(struct tty *tty, int c)
1.107 nicm 658: {
1.410 nicm 659: u_char r, g, b;
660: char s[13] = "";
661:
662: if (c != -1)
663: c = colour_force_rgb(c);
664: if (c == tty->ccolour)
665: return;
666: if (c == -1)
1.107 nicm 667: tty_putcode(tty, TTYC_CR);
1.410 nicm 668: else {
669: colour_split_rgb(c, &r, &g, &b);
670: xsnprintf(s, sizeof s, "rgb:%02hhx/%02hhx/%02hhx", r, g, b);
671: tty_putcode_ptr1(tty, TTYC_CS, s);
672: }
673: tty->ccolour = c;
1.107 nicm 674: }
675:
1.411 nicm 676: static int
677: tty_update_cursor(struct tty *tty, int mode, struct screen *s)
1.404 nicm 678: {
1.410 nicm 679: enum screen_cursor_style cstyle;
1.411 nicm 680: int ccolour, changed, cmode = mode;
1.404 nicm 681:
682: /* Set cursor colour if changed. */
1.410 nicm 683: if (s != NULL) {
684: ccolour = s->ccolour;
685: if (s->ccolour == -1)
686: ccolour = s->default_ccolour;
687: tty_force_cursor_colour(tty, ccolour);
688: }
1.404 nicm 689:
690: /* If cursor is off, set as invisible. */
1.411 nicm 691: if (~cmode & MODE_CURSOR) {
692: if (tty->mode & MODE_CURSOR)
1.404 nicm 693: tty_putcode(tty, TTYC_CIVIS);
1.411 nicm 694: return (cmode);
1.404 nicm 695: }
696:
697: /* Check if blinking or very visible flag changed or style changed. */
698: if (s == NULL)
699: cstyle = tty->cstyle;
1.411 nicm 700: else {
1.404 nicm 701: cstyle = s->cstyle;
1.411 nicm 702: if (cstyle == SCREEN_CURSOR_DEFAULT) {
703: if (~cmode & MODE_CURSOR_BLINKING_SET) {
704: if (s->default_mode & MODE_CURSOR_BLINKING)
705: cmode |= MODE_CURSOR_BLINKING;
706: else
707: cmode &= ~MODE_CURSOR_BLINKING;
708: }
709: cstyle = s->default_cstyle;
710: }
711: }
712:
713: /* If nothing changed, do nothing. */
714: changed = cmode ^ tty->mode;
1.404 nicm 715: if ((changed & CURSOR_MODES) == 0 && cstyle == tty->cstyle)
1.411 nicm 716: return (cmode);
1.404 nicm 717:
718: /*
719: * Set cursor style. If an explicit style has been set with DECSCUSR,
720: * set it if supported, otherwise send cvvis for blinking styles.
721: *
722: * If no style, has been set (SCREEN_CURSOR_DEFAULT), then send cvvis
723: * if either the blinking or very visible flags are set.
724: */
725: tty_putcode(tty, TTYC_CNORM);
726: switch (cstyle) {
727: case SCREEN_CURSOR_DEFAULT:
1.405 nicm 728: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
729: if (tty_term_has(tty->term, TTYC_SE))
730: tty_putcode(tty, TTYC_SE);
731: else
732: tty_putcode1(tty, TTYC_SS, 0);
733: }
1.411 nicm 734: if (cmode & (MODE_CURSOR_BLINKING|MODE_CURSOR_VERY_VISIBLE))
1.404 nicm 735: tty_putcode(tty, TTYC_CVVIS);
736: break;
737: case SCREEN_CURSOR_BLOCK:
738: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 739: if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 740: tty_putcode1(tty, TTYC_SS, 1);
741: else
742: tty_putcode1(tty, TTYC_SS, 2);
1.411 nicm 743: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 744: tty_putcode(tty, TTYC_CVVIS);
745: break;
746: case SCREEN_CURSOR_UNDERLINE:
747: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 748: if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 749: tty_putcode1(tty, TTYC_SS, 3);
750: else
751: tty_putcode1(tty, TTYC_SS, 4);
1.411 nicm 752: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 753: tty_putcode(tty, TTYC_CVVIS);
754: break;
755: case SCREEN_CURSOR_BAR:
756: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 757: if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 758: tty_putcode1(tty, TTYC_SS, 5);
759: else
760: tty_putcode1(tty, TTYC_SS, 6);
1.411 nicm 761: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 762: tty_putcode(tty, TTYC_CVVIS);
763: break;
764: }
765: tty->cstyle = cstyle;
1.411 nicm 766: return (cmode);
1.404 nicm 767: }
768:
1.107 nicm 769: void
770: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 771: {
1.411 nicm 772: struct tty_term *term = tty->term;
1.404 nicm 773: struct client *c = tty->client;
774: int changed;
1.107 nicm 775:
1.1 nicm 776: if (tty->flags & TTY_NOCURSOR)
777: mode &= ~MODE_CURSOR;
778:
1.411 nicm 779: if (tty_update_cursor(tty, mode, s) & MODE_CURSOR_BLINKING)
780: mode |= MODE_CURSOR_BLINKING;
781: else
782: mode &= ~MODE_CURSOR_BLINKING;
783:
1.1 nicm 784: changed = mode ^ tty->mode;
1.392 nicm 785: if (log_get_level() != 0 && changed != 0) {
786: log_debug("%s: current mode %s", c->name,
787: screen_mode_to_string(tty->mode));
788: log_debug("%s: setting mode %s", c->name,
789: screen_mode_to_string(mode));
790: }
1.344 nicm 791:
1.411 nicm 792: if ((changed & ALL_MOUSE_MODES) && tty_term_has(term, TTYC_KMOUS)) {
1.386 nicm 793: /*
794: * If the mouse modes have changed, clear any that are set and
795: * apply again. There are differences in how terminals track
796: * the various bits.
797: */
798: if (tty->mode & MODE_MOUSE_SGR)
1.344 nicm 799: tty_puts(tty, "\033[?1006l");
1.386 nicm 800: if (tty->mode & MODE_MOUSE_STANDARD)
1.344 nicm 801: tty_puts(tty, "\033[?1000l");
1.386 nicm 802: if (tty->mode & MODE_MOUSE_BUTTON)
1.344 nicm 803: tty_puts(tty, "\033[?1002l");
1.386 nicm 804: if (tty->mode & MODE_MOUSE_ALL)
1.344 nicm 805: tty_puts(tty, "\033[?1003l");
806: if (mode & ALL_MOUSE_MODES)
1.153 nicm 807: tty_puts(tty, "\033[?1006h");
1.386 nicm 808: if (mode & MODE_MOUSE_STANDARD)
1.344 nicm 809: tty_puts(tty, "\033[?1000h");
1.386 nicm 810: if (mode & MODE_MOUSE_BUTTON)
1.344 nicm 811: tty_puts(tty, "\033[?1002h");
1.386 nicm 812: if (mode & MODE_MOUSE_ALL)
1.344 nicm 813: tty_puts(tty, "\033[?1003h");
1.115 nicm 814: }
815: if (changed & MODE_BRACKETPASTE) {
816: if (mode & MODE_BRACKETPASTE)
1.366 nicm 817: tty_putcode(tty, TTYC_ENBP);
1.115 nicm 818: else
1.366 nicm 819: tty_putcode(tty, TTYC_DSBP);
1.1 nicm 820: }
821: tty->mode = mode;
822: }
823:
1.207 nicm 824: static void
1.168 nicm 825: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
826: enum tty_code_code code1, u_int n)
1.1 nicm 827: {
828: if (tty_term_has(tty->term, code))
829: tty_putcode1(tty, code, n);
830: else {
831: while (n-- > 0)
832: tty_putcode(tty, code1);
833: }
834: }
835:
1.207 nicm 836: static void
1.133 nicm 837: tty_repeat_space(struct tty *tty, u_int n)
838: {
1.257 nicm 839: static char s[500];
840:
841: if (*s != ' ')
842: memset(s, ' ', sizeof s);
843:
844: while (n > sizeof s) {
845: tty_putn(tty, s, sizeof s, sizeof s);
846: n -= sizeof s;
847: }
848: if (n != 0)
849: tty_putn(tty, s, n, n);
1.304 nicm 850: }
851:
1.309 nicm 852: /* Is this window bigger than the terminal? */
853: int
854: tty_window_bigger(struct tty *tty)
855: {
856: struct client *c = tty->client;
857: struct window *w = c->session->curw->window;
858:
859: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
860: }
861:
862: /* What offset should this window be drawn at? */
863: int
864: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
865: {
866: *ox = tty->oox;
867: *oy = tty->ooy;
868: *sx = tty->osx;
869: *sy = tty->osy;
870:
871: return (tty->oflag);
872: }
873:
874: /* What offset should this window be drawn at? */
875: static int
876: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
877: {
878: struct client *c = tty->client;
879: struct window *w = c->session->curw->window;
1.376 nicm 880: struct window_pane *wp = server_client_get_pane(c);
1.309 nicm 881: u_int cx, cy, lines;
882:
883: lines = status_line_size(c);
884:
885: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
886: *ox = 0;
887: *oy = 0;
888: *sx = w->sx;
889: *sy = w->sy;
890:
891: c->pan_window = NULL;
892: return (0);
893: }
894:
895: *sx = tty->sx;
896: *sy = tty->sy - lines;
897:
898: if (c->pan_window == w) {
899: if (*sx >= w->sx)
900: c->pan_ox = 0;
901: else if (c->pan_ox + *sx > w->sx)
902: c->pan_ox = w->sx - *sx;
903: *ox = c->pan_ox;
904: if (*sy >= w->sy)
905: c->pan_oy = 0;
906: else if (c->pan_oy + *sy > w->sy)
907: c->pan_oy = w->sy - *sy;
908: *oy = c->pan_oy;
909: return (1);
910: }
911:
912: if (~wp->screen->mode & MODE_CURSOR) {
913: *ox = 0;
914: *oy = 0;
915: } else {
916: cx = wp->xoff + wp->screen->cx;
917: cy = wp->yoff + wp->screen->cy;
918:
919: if (cx < *sx)
920: *ox = 0;
921: else if (cx > w->sx - *sx)
922: *ox = w->sx - *sx;
923: else
924: *ox = cx - *sx / 2;
925:
926: if (cy < *sy)
927: *oy = 0;
928: else if (cy > w->sy - *sy)
929: *oy = w->sy - *sy;
930: else
931: *oy = cy - *sy / 2;
932: }
933:
934: c->pan_window = NULL;
935: return (1);
936: }
937:
938: /* Update stored offsets for a window and redraw if necessary. */
939: void
940: tty_update_window_offset(struct window *w)
941: {
942: struct client *c;
943:
944: TAILQ_FOREACH(c, &clients, entry) {
1.413 nicm 945: if (c->session != NULL &&
946: c->session->curw != NULL &&
947: c->session->curw->window == w)
1.309 nicm 948: tty_update_client_offset(c);
949: }
950: }
951:
952: /* Update stored offsets for a client and redraw if necessary. */
953: void
954: tty_update_client_offset(struct client *c)
1.304 nicm 955: {
1.309 nicm 956: u_int ox, oy, sx, sy;
1.314 nicm 957:
958: if (~c->flags & CLIENT_TERMINAL)
959: return;
1.304 nicm 960:
1.309 nicm 961: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
962: if (ox == c->tty.oox &&
963: oy == c->tty.ooy &&
964: sx == c->tty.osx &&
965: sy == c->tty.osy)
966: return;
967:
968: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
969: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
970: ox, oy, sx, sy);
971:
972: c->tty.oox = ox;
973: c->tty.ooy = oy;
974: c->tty.osx = sx;
975: c->tty.osy = sy;
976:
977: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 978: }
979:
1.1 nicm 980: /*
1.119 nicm 981: * Is the region large enough to be worth redrawing once later rather than
982: * probably several times now? Currently yes if it is more than 50% of the
983: * pane.
984: */
1.207 nicm 985: static int
1.194 nicm 986: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 987: {
1.372 nicm 988: return (ctx->orlower - ctx->orupper >= ctx->sy / 2);
1.119 nicm 989: }
990:
991: /*
1.176 nicm 992: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
993: * emulated.
994: */
1.207 nicm 995: static int
1.373 nicm 996: tty_fake_bce(const struct tty *tty, const struct grid_cell *gc, u_int bg)
1.176 nicm 997: {
1.210 nicm 998: if (tty_term_flag(tty->term, TTYC_BCE))
999: return (0);
1.373 nicm 1000: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc->bg))
1.210 nicm 1001: return (1);
1002: return (0);
1.176 nicm 1003: }
1004:
1005: /*
1.1 nicm 1006: * Redraw scroll region using data from screen (already updated). Used when
1007: * CSR not supported, or window is a pane that doesn't take up the full
1008: * width of the terminal.
1009: */
1.207 nicm 1010: static void
1.24 nicm 1011: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1012: {
1.358 nicm 1013: struct client *c = tty->client;
1.204 nicm 1014: u_int i;
1.1 nicm 1015:
1016: /*
1.373 nicm 1017: * If region is large, schedule a redraw. In most cases this is likely
1018: * to be followed by some more scrolling.
1.1 nicm 1019: */
1.119 nicm 1020: if (tty_large_region(tty, ctx)) {
1.373 nicm 1021: log_debug("%s: %s large redraw", __func__, c->name);
1022: ctx->redraw_cb(ctx);
1.1 nicm 1023: return;
1024: }
1025:
1.393 nicm 1026: for (i = ctx->orupper; i <= ctx->orlower; i++)
1027: tty_draw_pane(tty, ctx, i);
1.1 nicm 1028: }
1029:
1.309 nicm 1030: /* Is this position visible in the pane? */
1031: static int
1.374 nicm 1032: tty_is_visible(__unused struct tty *tty, const struct tty_ctx *ctx, u_int px,
1033: u_int py, u_int nx, u_int ny)
1.309 nicm 1034: {
1.374 nicm 1035: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1036:
1037: if (!ctx->bigger)
1038: return (1);
1039:
1.372 nicm 1040: if (xoff + nx <= ctx->wox || xoff >= ctx->wox + ctx->wsx ||
1.374 nicm 1041: yoff + ny <= ctx->woy || yoff >= ctx->woy + ctx->wsy)
1.309 nicm 1042: return (0);
1043: return (1);
1044: }
1045:
1046: /* Clamp line position to visible part of pane. */
1047: static int
1048: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1049: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
1050: {
1.373 nicm 1051: u_int xoff = ctx->rxoff + px;
1.309 nicm 1052:
1053: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
1054: return (0);
1.372 nicm 1055: *ry = ctx->yoff + py - ctx->woy;
1.309 nicm 1056:
1.372 nicm 1057: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1058: /* All visible. */
1059: *i = 0;
1.372 nicm 1060: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1061: *rx = nx;
1.372 nicm 1062: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1063: /* Both left and right not visible. */
1.372 nicm 1064: *i = ctx->wox;
1.309 nicm 1065: *x = 0;
1.372 nicm 1066: *rx = ctx->wsx;
1067: } else if (xoff < ctx->wox) {
1.309 nicm 1068: /* Left not visible. */
1.372 nicm 1069: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1070: *x = 0;
1071: *rx = nx - *i;
1072: } else {
1073: /* Right not visible. */
1074: *i = 0;
1.372 nicm 1075: *x = (ctx->xoff + px) - ctx->wox;
1076: *rx = ctx->wsx - *x;
1.309 nicm 1077: }
1078: if (*rx > nx)
1079: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1080:
1081: return (1);
1082: }
1083:
1084: /* Clear a line. */
1.271 nicm 1085: static void
1.373 nicm 1086: tty_clear_line(struct tty *tty, const struct grid_cell *defaults, u_int py,
1087: u_int px, u_int nx, u_int bg)
1.271 nicm 1088: {
1.406 nicm 1089: struct client *c = tty->client;
1090: struct overlay_ranges r;
1091: u_int i;
1.309 nicm 1092:
1093: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1094:
1095: /* Nothing to clear. */
1096: if (nx == 0)
1097: return;
1098:
1099: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1100: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.271 nicm 1101: /* Off the end of the line, use EL if available. */
1102: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1103: tty_cursor(tty, px, py);
1104: tty_putcode(tty, TTYC_EL);
1105: return;
1106: }
1107:
1108: /* At the start of the line. Use EL1. */
1109: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1110: tty_cursor(tty, px + nx - 1, py);
1111: tty_putcode(tty, TTYC_EL1);
1112: return;
1113: }
1114:
1115: /* Section of line. Use ECH if possible. */
1116: if (tty_term_has(tty->term, TTYC_ECH)) {
1117: tty_cursor(tty, px, py);
1118: tty_putcode1(tty, TTYC_ECH, nx);
1119: return;
1120: }
1121: }
1122:
1.394 nicm 1123: /*
1124: * Couldn't use an escape sequence, use spaces. Clear only the visible
1125: * bit if there is an overlay.
1126: */
1.406 nicm 1127: tty_check_overlay_range(tty, px, py, nx, &r);
1128: for (i = 0; i < OVERLAY_MAX_RANGES; i++) {
1129: if (r.nx[i] == 0)
1130: continue;
1131: tty_cursor(tty, r.px[i], py);
1132: tty_repeat_space(tty, r.nx[i]);
1.394 nicm 1133: }
1.271 nicm 1134: }
1135:
1.309 nicm 1136: /* Clear a line, adjusting to visible part of pane. */
1137: static void
1138: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1139: u_int px, u_int nx, u_int bg)
1140: {
1141: struct client *c = tty->client;
1142: u_int i, x, rx, ry;
1143:
1144: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1145:
1146: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1.373 nicm 1147: tty_clear_line(tty, &ctx->defaults, ry, x, rx, bg);
1.309 nicm 1148: }
1149:
1150: /* Clamp area position to visible part of pane. */
1151: static int
1152: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1153: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1154: u_int *ry)
1155: {
1.373 nicm 1156: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1157:
1158: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1159: return (0);
1160:
1.372 nicm 1161: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1162: /* All visible. */
1163: *i = 0;
1.372 nicm 1164: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1165: *rx = nx;
1.372 nicm 1166: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1167: /* Both left and right not visible. */
1.372 nicm 1168: *i = ctx->wox;
1.309 nicm 1169: *x = 0;
1.372 nicm 1170: *rx = ctx->wsx;
1171: } else if (xoff < ctx->wox) {
1.309 nicm 1172: /* Left not visible. */
1.372 nicm 1173: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1174: *x = 0;
1175: *rx = nx - *i;
1176: } else {
1177: /* Right not visible. */
1178: *i = 0;
1.372 nicm 1179: *x = (ctx->xoff + px) - ctx->wox;
1180: *rx = ctx->wsx - *x;
1.309 nicm 1181: }
1182: if (*rx > nx)
1183: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1184:
1.372 nicm 1185: if (yoff >= ctx->woy && yoff + ny <= ctx->woy + ctx->wsy) {
1.309 nicm 1186: /* All visible. */
1187: *j = 0;
1.372 nicm 1188: *y = ctx->yoff + py - ctx->woy;
1.309 nicm 1189: *ry = ny;
1.372 nicm 1190: } else if (yoff < ctx->woy && yoff + ny > ctx->woy + ctx->wsy) {
1.327 nicm 1191: /* Both top and bottom not visible. */
1.372 nicm 1192: *j = ctx->woy;
1.309 nicm 1193: *y = 0;
1.372 nicm 1194: *ry = ctx->wsy;
1195: } else if (yoff < ctx->woy) {
1.327 nicm 1196: /* Top not visible. */
1.372 nicm 1197: *j = ctx->woy - (ctx->yoff + py);
1.309 nicm 1198: *y = 0;
1199: *ry = ny - *j;
1200: } else {
1.327 nicm 1201: /* Bottom not visible. */
1.309 nicm 1202: *j = 0;
1.372 nicm 1203: *y = (ctx->yoff + py) - ctx->woy;
1204: *ry = ctx->wsy - *y;
1.309 nicm 1205: }
1206: if (*ry > ny)
1207: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1208:
1209: return (1);
1210: }
1211:
1212: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1213: static void
1.373 nicm 1214: tty_clear_area(struct tty *tty, const struct grid_cell *defaults, u_int py,
1215: u_int ny, u_int px, u_int nx, u_int bg)
1.271 nicm 1216: {
1.309 nicm 1217: struct client *c = tty->client;
1218: u_int yy;
1219: char tmp[64];
1.271 nicm 1220:
1.309 nicm 1221: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1222:
1223: /* Nothing to clear. */
1224: if (nx == 0 || ny == 0)
1225: return;
1226:
1227: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1228: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.276 nicm 1229: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1230: if (px == 0 &&
1231: px + nx >= tty->sx &&
1232: py + ny >= tty->sy &&
1233: tty_term_has(tty->term, TTYC_ED)) {
1234: tty_cursor(tty, 0, py);
1235: tty_putcode(tty, TTYC_ED);
1.274 nicm 1236: return;
1237: }
1238:
1239: /*
1.276 nicm 1240: * On VT420 compatible terminals we can use DECFRA if the
1241: * background colour isn't default (because it doesn't work
1242: * after SGR 0).
1.274 nicm 1243: */
1.359 nicm 1244: if ((tty->term->flags & TERM_DECFRA) && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1245: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1246: py + 1, px + 1, py + ny, px + nx);
1247: tty_puts(tty, tmp);
1.276 nicm 1248: return;
1249: }
1250:
1.280 nicm 1251: /* Full lines can be scrolled away to clear them. */
1252: if (px == 0 &&
1.281 nicm 1253: px + nx >= tty->sx &&
1.280 nicm 1254: ny > 2 &&
1255: tty_term_has(tty->term, TTYC_CSR) &&
1256: tty_term_has(tty->term, TTYC_INDN)) {
1257: tty_region(tty, py, py + ny - 1);
1258: tty_margin_off(tty);
1.284 nicm 1259: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1260: return;
1261: }
1262:
1.276 nicm 1263: /*
1264: * If margins are supported, can just scroll the area off to
1265: * clear it.
1266: */
1.277 nicm 1267: if (nx > 2 &&
1268: ny > 2 &&
1.280 nicm 1269: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1270: tty_use_margin(tty) &&
1271: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1272: tty_region(tty, py, py + ny - 1);
1273: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1274: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1275: return;
1276: }
1277: }
1278:
1279: /* Couldn't use an escape sequence, loop over the lines. */
1280: for (yy = py; yy < py + ny; yy++)
1.373 nicm 1281: tty_clear_line(tty, defaults, yy, px, nx, bg);
1.271 nicm 1282: }
1283:
1.309 nicm 1284: /* Clear an area in a pane. */
1285: static void
1286: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1287: u_int ny, u_int px, u_int nx, u_int bg)
1288: {
1289: u_int i, j, x, y, rx, ry;
1290:
1291: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1.373 nicm 1292: tty_clear_area(tty, &ctx->defaults, y, ry, x, rx, bg);
1.309 nicm 1293: }
1294:
1295: static void
1296: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1297: {
1.373 nicm 1298: struct screen *s = ctx->s;
1299: u_int nx = ctx->sx, i, x, rx, ry;
1.309 nicm 1300:
1301: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1302:
1303: if (!ctx->bigger) {
1.373 nicm 1304: tty_draw_line(tty, s, 0, py, nx, ctx->xoff, ctx->yoff + py,
1305: &ctx->defaults, ctx->palette);
1.309 nicm 1306: return;
1307: }
1.373 nicm 1308: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry)) {
1309: tty_draw_line(tty, s, i, py, rx, x, ry, &ctx->defaults,
1310: ctx->palette);
1311: }
1.176 nicm 1312: }
1313:
1.298 nicm 1314: static const struct grid_cell *
1315: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1316: {
1317: static struct grid_cell new;
1.377 nicm 1318: int c;
1.298 nicm 1319:
1320: /* Characters less than 0x7f are always fine, no matter what. */
1321: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1322: return (gc);
1323:
1324: /* UTF-8 terminal and a UTF-8 character - fine. */
1.359 nicm 1325: if (tty->client->flags & CLIENT_UTF8)
1.298 nicm 1326: return (gc);
1.377 nicm 1327: memcpy(&new, gc, sizeof new);
1328:
1329: /* See if this can be mapped to an ACS character. */
1330: c = tty_acs_reverse_get(tty, gc->data.data, gc->data.size);
1331: if (c != -1) {
1332: utf8_set(&new.data, c);
1333: new.attr |= GRID_ATTR_CHARSET;
1334: return (&new);
1335: }
1.298 nicm 1336:
1337: /* Replace by the right number of underscores. */
1.377 nicm 1338: new.data.size = gc->data.width;
1339: if (new.data.size > UTF8_SIZE)
1340: new.data.size = UTF8_SIZE;
1341: memset(new.data.data, '_', new.data.size);
1.298 nicm 1342: return (&new);
1343: }
1344:
1.406 nicm 1345: /*
1346: * Check if a single character is obstructed by the overlay and return a
1347: * boolean.
1348: */
1.346 nicm 1349: static int
1350: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1351: {
1.406 nicm 1352: struct overlay_ranges r;
1353:
1354: /*
1355: * A unit width range will always return nx[2] == 0 from a check, even
1356: * with multiple overlays, so it's sufficient to check just the first
1357: * two entries.
1358: */
1359: tty_check_overlay_range(tty, px, py, 1, &r);
1360: if (r.nx[0] + r.nx[1] == 0)
1361: return (0);
1362: return (1);
1363: }
1364:
1365: /* Return parts of the input range which are visible. */
1366: static void
1367: tty_check_overlay_range(struct tty *tty, u_int px, u_int py, u_int nx,
1368: struct overlay_ranges *r)
1369: {
1.346 nicm 1370: struct client *c = tty->client;
1371:
1.406 nicm 1372: if (c->overlay_check == NULL) {
1373: r->px[0] = px;
1374: r->nx[0] = nx;
1375: r->px[1] = 0;
1376: r->nx[1] = 0;
1377: r->px[2] = 0;
1378: r->nx[2] = 0;
1379: return;
1380: }
1381:
1382: c->overlay_check(c, c->overlay_data, px, py, nx, r);
1.346 nicm 1383: }
1384:
1.176 nicm 1385: void
1.373 nicm 1386: tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
1.399 nicm 1387: u_int atx, u_int aty, const struct grid_cell *defaults,
1388: struct colour_palette *palette)
1.1 nicm 1389: {
1.297 nicm 1390: struct grid *gd = s->grid;
1.250 nicm 1391: struct grid_cell gc, last;
1.298 nicm 1392: const struct grid_cell *gcp;
1.309 nicm 1393: struct grid_line *gl;
1.394 nicm 1394: struct client *c = tty->client;
1.406 nicm 1395: struct overlay_ranges r;
1396: u_int i, j, ux, sx, width, hidden, eux, nxx;
1397: u_int cellsize;
1.396 nicm 1398: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1399: char buf[512];
1.315 nicm 1400: size_t len;
1.1 nicm 1401:
1.309 nicm 1402: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1403: px, py, nx, atx, aty);
1.399 nicm 1404: log_debug("%s: defaults: fg=%d, bg=%d", __func__, defaults->fg,
1405: defaults->bg);
1.309 nicm 1406:
1407: /*
1408: * py is the line in the screen to draw.
1409: * px is the start x and nx is the width to draw.
1410: * atx,aty is the line on the terminal to draw it.
1411: */
1412:
1.259 nicm 1413: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1414: tty->flags |= TTY_NOCURSOR;
1415: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1416:
1.214 nicm 1417: tty_region_off(tty);
1418: tty_margin_off(tty);
1419:
1.273 nicm 1420: /*
1421: * Clamp the width to cellsize - note this is not cellused, because
1422: * there may be empty background cells after it (from BCE).
1423: */
1.1 nicm 1424: sx = screen_size_x(s);
1.309 nicm 1425: if (nx > sx)
1426: nx = sx;
1.303 nicm 1427: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1428: if (sx > cellsize)
1429: sx = cellsize;
1.1 nicm 1430: if (sx > tty->sx)
1431: sx = tty->sx;
1.309 nicm 1432: if (sx > nx)
1433: sx = nx;
1.292 nicm 1434: ux = 0;
1.1 nicm 1435:
1.309 nicm 1436: if (py == 0)
1437: gl = NULL;
1438: else
1439: gl = grid_get_line(gd, gd->hsize + py - 1);
1.373 nicm 1440: if (gl == NULL ||
1.309 nicm 1441: (~gl->flags & GRID_LINE_WRAPPED) ||
1442: atx != 0 ||
1.268 nicm 1443: tty->cx < tty->sx ||
1.309 nicm 1444: nx < tty->sx) {
1445: if (nx < tty->sx &&
1446: atx == 0 &&
1447: px + sx != nx &&
1.268 nicm 1448: tty_term_has(tty->term, TTYC_EL1) &&
1.394 nicm 1449: !tty_fake_bce(tty, defaults, 8) &&
1450: c->overlay_check == NULL) {
1.373 nicm 1451: tty_default_attributes(tty, defaults, palette, 8);
1.309 nicm 1452: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1453: tty_putcode(tty, TTYC_EL1);
1454: cleared = 1;
1455: }
1.329 nicm 1456: } else {
1.309 nicm 1457: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1458: wrapped = 1;
1459: }
1.250 nicm 1460:
1461: memcpy(&last, &grid_default_cell, sizeof last);
1462: len = 0;
1463: width = 0;
1.46 nicm 1464:
1.1 nicm 1465: for (i = 0; i < sx; i++) {
1.309 nicm 1466: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1467: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1468: if (len != 0 &&
1.346 nicm 1469: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1470: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1471: gcp->flags != last.flags ||
1472: gcp->attr != last.attr ||
1473: gcp->fg != last.fg ||
1474: gcp->bg != last.bg ||
1.328 nicm 1475: gcp->us != last.us ||
1.315 nicm 1476: ux + width + gcp->data.width > nx ||
1.298 nicm 1477: (sizeof buf) - len < gcp->data.size)) {
1.373 nicm 1478: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1479: if (last.flags & GRID_FLAG_CLEARED) {
1480: log_debug("%s: %zu cleared", __func__, len);
1.373 nicm 1481: tty_clear_line(tty, defaults, aty, atx + ux,
1482: width, last.bg);
1.315 nicm 1483: } else {
1.329 nicm 1484: if (!wrapped || atx != 0 || ux != 0)
1485: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1486: tty_putn(tty, buf, len, width);
1487: }
1.292 nicm 1488: ux += width;
1.250 nicm 1489:
1490: len = 0;
1491: width = 0;
1.329 nicm 1492: wrapped = 0;
1.250 nicm 1493: }
1494:
1.298 nicm 1495: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1496: screen_select_cell(s, &last, gcp);
1.250 nicm 1497: else
1.299 nicm 1498: memcpy(&last, gcp, sizeof last);
1.395 nicm 1499:
1.406 nicm 1500: tty_check_overlay_range(tty, atx + ux, aty, gcp->data.width,
1501: &r);
1.395 nicm 1502: hidden = 0;
1.406 nicm 1503: for (j = 0; j < OVERLAY_MAX_RANGES; j++)
1504: hidden += r.nx[j];
1505: hidden = gcp->data.width - hidden;
1.396 nicm 1506: if (hidden != 0 && hidden == gcp->data.width) {
1507: if (~gcp->flags & GRID_FLAG_PADDING)
1508: ux += gcp->data.width;
1509: } else if (hidden != 0 || ux + gcp->data.width > nx) {
1.395 nicm 1510: if (~gcp->flags & GRID_FLAG_PADDING) {
1511: tty_attributes(tty, &last, defaults, palette);
1.406 nicm 1512: for (j = 0; j < OVERLAY_MAX_RANGES; j++) {
1513: if (r.nx[j] == 0)
1514: continue;
1515: /* Effective width drawn so far. */
1516: eux = r.px[j] - atx;
1517: if (eux < nx) {
1518: tty_cursor(tty, r.px[j], aty);
1519: nxx = nx - eux;
1520: if (r.nx[j] > nxx)
1521: r.nx[j] = nxx;
1522: tty_repeat_space(tty, r.nx[j]);
1523: ux = eux + r.nx[j];
1.397 nicm 1524: }
1.395 nicm 1525: }
1.297 nicm 1526: }
1.299 nicm 1527: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1.373 nicm 1528: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1529: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1530: for (j = 0; j < gcp->data.size; j++)
1531: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1532: ux += gcp->data.width;
1.381 nicm 1533: } else if (~gcp->flags & GRID_FLAG_PADDING) {
1.298 nicm 1534: memcpy(buf + len, gcp->data.data, gcp->data.size);
1535: len += gcp->data.size;
1536: width += gcp->data.width;
1.250 nicm 1537: }
1538: }
1.315 nicm 1539: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.373 nicm 1540: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1541: if (last.flags & GRID_FLAG_CLEARED) {
1542: log_debug("%s: %zu cleared (end)", __func__, len);
1.373 nicm 1543: tty_clear_line(tty, defaults, aty, atx + ux, width,
1544: last.bg);
1.315 nicm 1545: } else {
1.329 nicm 1546: if (!wrapped || atx != 0 || ux != 0)
1547: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1548: tty_putn(tty, buf, len, width);
1549: }
1.315 nicm 1550: ux += width;
1.1 nicm 1551: }
1552:
1.309 nicm 1553: if (!cleared && ux < nx) {
1.315 nicm 1554: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1555: nx - ux, len);
1.373 nicm 1556: tty_default_attributes(tty, defaults, palette, 8);
1557: tty_clear_line(tty, defaults, aty, atx + ux, nx - ux, 8);
1.35 nicm 1558: }
1.1 nicm 1559:
1.181 nicm 1560: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1561: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1562: }
1563:
1.348 nicm 1564: void
1565: tty_sync_start(struct tty *tty)
1566: {
1.361 nicm 1567: if (tty->flags & TTY_BLOCK)
1568: return;
1569: if (tty->flags & TTY_SYNCING)
1570: return;
1571: tty->flags |= TTY_SYNCING;
1572:
1573: if (tty_term_has(tty->term, TTYC_SYNC)) {
1574: log_debug("%s sync start", tty->client->name);
1.360 nicm 1575: tty_putcode1(tty, TTYC_SYNC, 1);
1.357 nicm 1576: }
1.348 nicm 1577: }
1578:
1579: void
1580: tty_sync_end(struct tty *tty)
1581: {
1.361 nicm 1582: if (tty->flags & TTY_BLOCK)
1583: return;
1584: if (~tty->flags & TTY_SYNCING)
1585: return;
1586: tty->flags &= ~TTY_SYNCING;
1587:
1588: if (tty_term_has(tty->term, TTYC_SYNC)) {
1589: log_debug("%s sync end", tty->client->name);
1.360 nicm 1590: tty_putcode1(tty, TTYC_SYNC, 2);
1.357 nicm 1591: }
1.348 nicm 1592: }
1593:
1.201 nicm 1594: static int
1.373 nicm 1595: tty_client_ready(struct client *c)
1.182 nicm 1596: {
1597: if (c->session == NULL || c->tty.term == NULL)
1598: return (0);
1.305 nicm 1599: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1600: return (0);
1601: if (c->tty.flags & TTY_FREEZE)
1602: return (0);
1603: return (1);
1604: }
1605:
1.15 nicm 1606: void
1.182 nicm 1607: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1608: struct tty_ctx *ctx)
1.15 nicm 1609: {
1.373 nicm 1610: struct client *c;
1611: int state;
1.15 nicm 1612:
1.373 nicm 1613: if (ctx->set_client_cb == NULL)
1.15 nicm 1614: return;
1.178 nicm 1615: TAILQ_FOREACH(c, &clients, entry) {
1.373 nicm 1616: if (!tty_client_ready(c))
1.15 nicm 1617: continue;
1.373 nicm 1618: state = ctx->set_client_cb(ctx, c);
1619: if (state == -1)
1.358 nicm 1620: break;
1.373 nicm 1621: if (state == 0)
1622: continue;
1.139 nicm 1623: cmdfn(&c->tty, ctx);
1.1 nicm 1624: }
1625: }
1626:
1627: void
1.24 nicm 1628: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1629: {
1.394 nicm 1630: struct client *c = tty->client;
1631:
1.309 nicm 1632: if (ctx->bigger ||
1.372 nicm 1633: !tty_full_width(tty, ctx) ||
1.373 nicm 1634: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.210 nicm 1635: (!tty_term_has(tty->term, TTYC_ICH) &&
1.394 nicm 1636: !tty_term_has(tty->term, TTYC_ICH1)) ||
1637: c->overlay_check != NULL) {
1.309 nicm 1638: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1639: return;
1640: }
1641:
1.373 nicm 1642: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1643:
1.77 nicm 1644: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1645:
1.206 nicm 1646: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1647: }
1648:
1649: void
1.24 nicm 1650: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1651: {
1.394 nicm 1652: struct client *c = tty->client;
1653:
1.309 nicm 1654: if (ctx->bigger ||
1.372 nicm 1655: !tty_full_width(tty, ctx) ||
1.373 nicm 1656: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.26 nicm 1657: (!tty_term_has(tty->term, TTYC_DCH) &&
1.394 nicm 1658: !tty_term_has(tty->term, TTYC_DCH1)) ||
1659: c->overlay_check != NULL) {
1.309 nicm 1660: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1661: return;
1662: }
1663:
1.373 nicm 1664: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1665:
1.77 nicm 1666: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1667:
1.206 nicm 1668: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1669: }
1670:
1671: void
1672: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1673: {
1.373 nicm 1674: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.146 nicm 1675:
1.388 nicm 1676: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, ctx->num, ctx->bg);
1.1 nicm 1677: }
1678:
1679: void
1.24 nicm 1680: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1681: {
1.394 nicm 1682: struct client *c = tty->client;
1683:
1.309 nicm 1684: if (ctx->bigger ||
1.372 nicm 1685: !tty_full_width(tty, ctx) ||
1.373 nicm 1686: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.77 nicm 1687: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1688: !tty_term_has(tty->term, TTYC_IL1) ||
1.373 nicm 1689: ctx->sx == 1 ||
1.394 nicm 1690: ctx->sy == 1 ||
1691: c->overlay_check != NULL) {
1.14 nicm 1692: tty_redraw_region(tty, ctx);
1.1 nicm 1693: return;
1694: }
1695:
1.373 nicm 1696: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1697:
1.77 nicm 1698: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1699: tty_margin_off(tty);
1.77 nicm 1700: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1701:
1.12 nicm 1702: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1703: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1704: }
1705:
1706: void
1.24 nicm 1707: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1708: {
1.394 nicm 1709: struct client *c = tty->client;
1710:
1.309 nicm 1711: if (ctx->bigger ||
1.372 nicm 1712: !tty_full_width(tty, ctx) ||
1.373 nicm 1713: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.72 nicm 1714: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1715: !tty_term_has(tty->term, TTYC_DL1) ||
1.373 nicm 1716: ctx->sx == 1 ||
1.394 nicm 1717: ctx->sy == 1 ||
1718: c->overlay_check != NULL) {
1.14 nicm 1719: tty_redraw_region(tty, ctx);
1.1 nicm 1720: return;
1721: }
1722:
1.373 nicm 1723: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1724:
1.77 nicm 1725: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1726: tty_margin_off(tty);
1.77 nicm 1727: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1728:
1.12 nicm 1729: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1730: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1731: }
1732:
1733: void
1.24 nicm 1734: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1735: {
1.373 nicm 1736: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1737:
1.372 nicm 1738: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->sx, ctx->bg);
1.1 nicm 1739: }
1740:
1741: void
1.24 nicm 1742: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1743: {
1.373 nicm 1744: u_int nx = ctx->sx - ctx->ocx;
1.1 nicm 1745:
1.373 nicm 1746: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1747:
1.309 nicm 1748: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1749: }
1750:
1751: void
1.24 nicm 1752: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1753: {
1.373 nicm 1754: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1755:
1.309 nicm 1756: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1757: }
1758:
1759: void
1.24 nicm 1760: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1761: {
1.394 nicm 1762: struct client *c = tty->client;
1763:
1.56 nicm 1764: if (ctx->ocy != ctx->orupper)
1765: return;
1766:
1.309 nicm 1767: if (ctx->bigger ||
1.372 nicm 1768: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1769: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.70 nicm 1770: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1771: (!tty_term_has(tty->term, TTYC_RI) &&
1772: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1773: ctx->sx == 1 ||
1.394 nicm 1774: ctx->sy == 1 ||
1775: c->overlay_check != NULL) {
1.14 nicm 1776: tty_redraw_region(tty, ctx);
1.1 nicm 1777: return;
1778: }
1779:
1.373 nicm 1780: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1781:
1.56 nicm 1782: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1783: tty_margin_pane(tty, ctx);
1.56 nicm 1784: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1785:
1.331 nicm 1786: if (tty_term_has(tty->term, TTYC_RI))
1787: tty_putcode(tty, TTYC_RI);
1788: else
1789: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1790: }
1791:
1792: void
1.24 nicm 1793: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1794: {
1.394 nicm 1795: struct client *c = tty->client;
1796:
1.56 nicm 1797: if (ctx->ocy != ctx->orlower)
1798: return;
1799:
1.309 nicm 1800: if (ctx->bigger ||
1.372 nicm 1801: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1802: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1803: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1804: ctx->sx == 1 ||
1.394 nicm 1805: ctx->sy == 1 ||
1806: c->overlay_check != NULL) {
1.236 nicm 1807: tty_redraw_region(tty, ctx);
1.1 nicm 1808: return;
1809: }
1.52 nicm 1810:
1.373 nicm 1811: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1812:
1.56 nicm 1813: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1814: tty_margin_pane(tty, ctx);
1815:
1816: /*
1.301 nicm 1817: * If we want to wrap a pane while using margins, the cursor needs to
1818: * be exactly on the right of the region. If the cursor is entirely off
1819: * the edge - move it back to the right. Some terminals are funny about
1820: * this and insert extra spaces, so only use the right if margins are
1821: * enabled.
1.212 nicm 1822: */
1.301 nicm 1823: if (ctx->xoff + ctx->ocx > tty->rright) {
1824: if (!tty_use_margin(tty))
1825: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1826: else
1827: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1828: } else
1.212 nicm 1829: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1830:
1.56 nicm 1831: tty_putc(tty, '\n');
1.240 nicm 1832: }
1833:
1834: void
1835: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1836: {
1.394 nicm 1837: struct client *c = tty->client;
1838: u_int i;
1.240 nicm 1839:
1.309 nicm 1840: if (ctx->bigger ||
1.372 nicm 1841: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1842: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1843: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1844: ctx->sx == 1 ||
1.394 nicm 1845: ctx->sy == 1 ||
1846: c->overlay_check != NULL) {
1.240 nicm 1847: tty_redraw_region(tty, ctx);
1848: return;
1849: }
1850:
1.373 nicm 1851: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.240 nicm 1852:
1853: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1854: tty_margin_pane(tty, ctx);
1855:
1.284 nicm 1856: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1857: if (!tty_use_margin(tty))
1858: tty_cursor(tty, 0, tty->rlower);
1859: else
1860: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1861: for (i = 0; i < ctx->num; i++)
1.240 nicm 1862: tty_putc(tty, '\n');
1.301 nicm 1863: } else {
1.353 nicm 1864: if (tty->cy == UINT_MAX)
1865: tty_cursor(tty, 0, 0);
1866: else
1867: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1868: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1869: }
1870: }
1871:
1872: void
1873: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1874: {
1.394 nicm 1875: u_int i;
1876: struct client *c = tty->client;
1.331 nicm 1877:
1878: if (ctx->bigger ||
1.372 nicm 1879: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1880: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.331 nicm 1881: !tty_term_has(tty->term, TTYC_CSR) ||
1882: (!tty_term_has(tty->term, TTYC_RI) &&
1883: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1884: ctx->sx == 1 ||
1.394 nicm 1885: ctx->sy == 1 ||
1886: c->overlay_check != NULL) {
1.331 nicm 1887: tty_redraw_region(tty, ctx);
1888: return;
1889: }
1890:
1.373 nicm 1891: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.331 nicm 1892:
1893: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1894: tty_margin_pane(tty, ctx);
1895: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1896:
1897: if (tty_term_has(tty->term, TTYC_RIN))
1898: tty_putcode1(tty, TTYC_RIN, ctx->num);
1899: else {
1900: for (i = 0; i < ctx->num; i++)
1901: tty_putcode(tty, TTYC_RI);
1.301 nicm 1902: }
1.1 nicm 1903: }
1904:
1905: void
1.24 nicm 1906: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1907: {
1.373 nicm 1908: u_int px, py, nx, ny;
1.1 nicm 1909:
1.373 nicm 1910: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1911:
1.372 nicm 1912: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1913: tty_margin_off(tty);
1.39 nicm 1914:
1.309 nicm 1915: px = 0;
1.372 nicm 1916: nx = ctx->sx;
1.309 nicm 1917: py = ctx->ocy + 1;
1.372 nicm 1918: ny = ctx->sy - ctx->ocy - 1;
1.271 nicm 1919:
1.309 nicm 1920: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1921:
1.309 nicm 1922: px = ctx->ocx;
1.372 nicm 1923: nx = ctx->sx - ctx->ocx;
1.309 nicm 1924: py = ctx->ocy;
1.271 nicm 1925:
1.309 nicm 1926: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1927: }
1928:
1929: void
1.24 nicm 1930: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1931: {
1.373 nicm 1932: u_int px, py, nx, ny;
1.1 nicm 1933:
1.373 nicm 1934: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1935:
1.372 nicm 1936: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1937: tty_margin_off(tty);
1.39 nicm 1938:
1.309 nicm 1939: px = 0;
1.372 nicm 1940: nx = ctx->sx;
1.309 nicm 1941: py = 0;
1.319 nicm 1942: ny = ctx->ocy;
1.271 nicm 1943:
1.309 nicm 1944: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1945:
1.309 nicm 1946: px = 0;
1.271 nicm 1947: nx = ctx->ocx + 1;
1.309 nicm 1948: py = ctx->ocy;
1.271 nicm 1949:
1.309 nicm 1950: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1951: }
1952:
1953: void
1.24 nicm 1954: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1955: {
1.373 nicm 1956: u_int px, py, nx, ny;
1.1 nicm 1957:
1.373 nicm 1958: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1959:
1.372 nicm 1960: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1961: tty_margin_off(tty);
1.39 nicm 1962:
1.309 nicm 1963: px = 0;
1.372 nicm 1964: nx = ctx->sx;
1.309 nicm 1965: py = 0;
1.372 nicm 1966: ny = ctx->sy;
1.271 nicm 1967:
1.309 nicm 1968: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1969: }
1970:
1971: void
1.24 nicm 1972: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1973: {
1.373 nicm 1974: u_int i, j;
1.4 nicm 1975:
1.309 nicm 1976: if (ctx->bigger) {
1.373 nicm 1977: ctx->redraw_cb(ctx);
1.309 nicm 1978: return;
1979: }
1980:
1.373 nicm 1981: tty_attributes(tty, &grid_default_cell, &ctx->defaults, ctx->palette);
1.4 nicm 1982:
1.372 nicm 1983: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1984: tty_margin_off(tty);
1.4 nicm 1985:
1.372 nicm 1986: for (j = 0; j < ctx->sy; j++) {
1.41 nicm 1987: tty_cursor_pane(tty, ctx, 0, j);
1.372 nicm 1988: for (i = 0; i < ctx->sx; i++)
1.4 nicm 1989: tty_putc(tty, 'E');
1.1 nicm 1990: }
1991: }
1992:
1993: void
1.24 nicm 1994: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1995: {
1.394 nicm 1996: const struct grid_cell *gcp = ctx->cell;
1997: struct screen *s = ctx->s;
1.406 nicm 1998: struct overlay_ranges r;
1999: u_int px, py, i, vis = 0;
1.394 nicm 2000:
2001: px = ctx->xoff + ctx->ocx - ctx->wox;
2002: py = ctx->yoff + ctx->ocy - ctx->woy;
2003: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1) ||
2004: (gcp->data.width == 1 && !tty_check_overlay(tty, px, py)))
2005: return;
2006:
2007: /* Handle partially obstructed wide characters. */
2008: if (gcp->data.width > 1) {
1.406 nicm 2009: tty_check_overlay_range(tty, px, py, gcp->data.width, &r);
2010: for (i = 0; i < OVERLAY_MAX_RANGES; i++)
2011: vis += r.nx[i];
2012: if (vis < gcp->data.width) {
1.408 nicm 2013: tty_draw_line(tty, s, s->cx, s->cy, gcp->data.width,
2014: px, py, &ctx->defaults, ctx->palette);
2015: return;
1.394 nicm 2016: }
2017: }
1.309 nicm 2018:
1.372 nicm 2019: if (ctx->xoff + ctx->ocx - ctx->wox > tty->sx - 1 &&
1.306 nicm 2020: ctx->ocy == ctx->orlower &&
1.372 nicm 2021: tty_full_width(tty, ctx))
1.306 nicm 2022: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 2023:
1.306 nicm 2024: tty_margin_off(tty);
1.253 nicm 2025: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 2026:
1.373 nicm 2027: tty_cell(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 2028: }
2029:
2030: void
2031: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
2032: {
1.407 nicm 2033: struct overlay_ranges r;
2034: u_int i, px, py, cx;
2035: char *cp = ctx->ptr;
1.394 nicm 2036:
1.309 nicm 2037: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
2038: return;
2039:
2040: if (ctx->bigger &&
1.372 nicm 2041: (ctx->xoff + ctx->ocx < ctx->wox ||
2042: ctx->xoff + ctx->ocx + ctx->num > ctx->wox + ctx->wsx)) {
1.309 nicm 2043: if (!ctx->wrapped ||
1.372 nicm 2044: !tty_full_width(tty, ctx) ||
1.382 nicm 2045: (tty->term->flags & TERM_NOAM) ||
1.309 nicm 2046: ctx->xoff + ctx->ocx != 0 ||
2047: ctx->yoff + ctx->ocy != tty->cy + 1 ||
2048: tty->cx < tty->sx ||
2049: tty->cy == tty->rlower)
2050: tty_draw_pane(tty, ctx, ctx->ocy);
2051: else
1.373 nicm 2052: ctx->redraw_cb(ctx);
1.309 nicm 2053: return;
2054: }
2055:
1.306 nicm 2056: tty_margin_off(tty);
1.253 nicm 2057: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.407 nicm 2058: tty_attributes(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 2059:
1.407 nicm 2060: /* Get tty position from pane position for overlay check. */
2061: px = ctx->xoff + ctx->ocx - ctx->wox;
2062: py = ctx->yoff + ctx->ocy - ctx->woy;
2063:
2064: tty_check_overlay_range(tty, px, py, ctx->num, &r);
1.406 nicm 2065: for (i = 0; i < OVERLAY_MAX_RANGES; i++) {
2066: if (r.nx[i] == 0)
2067: continue;
1.407 nicm 2068: /* Convert back to pane position for printing. */
2069: cx = r.px[i] - ctx->xoff + ctx->wox;
2070: tty_cursor_pane_unless_wrap(tty, ctx, cx, ctx->ocy);
2071: tty_putn(tty, cp + r.px[i] - px, r.nx[i], r.nx[i]);
1.394 nicm 2072: }
1.106 nicm 2073: }
2074:
2075: void
2076: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
2077: {
1.383 nicm 2078: tty_set_selection(tty, ctx->ptr, ctx->num);
2079: }
2080:
2081: void
2082: tty_set_selection(struct tty *tty, const char *buf, size_t len)
2083: {
2084: char *encoded;
2085: size_t size;
1.106 nicm 2086:
1.384 nicm 2087: if (~tty->flags & TTY_STARTED)
2088: return;
1.106 nicm 2089: if (!tty_term_has(tty->term, TTYC_MS))
1.383 nicm 2090: return;
1.106 nicm 2091:
1.383 nicm 2092: size = 4 * ((len + 2) / 3) + 1; /* storage for base64 */
2093: encoded = xmalloc(size);
1.106 nicm 2094:
1.383 nicm 2095: b64_ntop(buf, len, encoded, size);
1.414 ! nicm 2096: tty->flags |= TTY_NOBLOCK;
1.383 nicm 2097: tty_putcode_ptr2(tty, TTYC_MS, "", encoded);
1.106 nicm 2098:
1.383 nicm 2099: free(encoded);
1.100 nicm 2100: }
2101:
2102: void
2103: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
2104: {
1.414 ! nicm 2105: tty->flags |= TTY_NOBLOCK;
1.256 nicm 2106: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 2107: tty_invalidate(tty);
1.348 nicm 2108: }
2109:
2110: void
1.402 nicm 2111: tty_cmd_syncstart(struct tty *tty, const struct tty_ctx *ctx)
1.348 nicm 2112: {
1.402 nicm 2113: if (ctx->num == 0x11) {
2114: /*
1.403 nicm 2115: * This is an overlay and a command that moves the cursor so
1.402 nicm 2116: * start synchronized updates.
2117: */
2118: tty_sync_start(tty);
2119: } else if (~ctx->num & 0x10) {
2120: /*
2121: * This is a pane. If there is an overlay, always start;
2122: * otherwise, only if requested.
2123: */
2124: if (ctx->num || tty->client->overlay_draw != NULL)
2125: tty_sync_start(tty);
2126: }
1.1 nicm 2127: }
2128:
1.377 nicm 2129: void
1.373 nicm 2130: tty_cell(struct tty *tty, const struct grid_cell *gc,
1.399 nicm 2131: const struct grid_cell *defaults, struct colour_palette *palette)
1.1 nicm 2132: {
1.298 nicm 2133: const struct grid_cell *gcp;
1.1 nicm 2134:
2135: /* Skip last character if terminal is stupid. */
1.382 nicm 2136: if ((tty->term->flags & TERM_NOAM) &&
1.211 nicm 2137: tty->cy == tty->sy - 1 &&
2138: tty->cx == tty->sx - 1)
1.1 nicm 2139: return;
2140:
2141: /* If this is a padding character, do nothing. */
2142: if (gc->flags & GRID_FLAG_PADDING)
2143: return;
2144:
1.377 nicm 2145: /* Check the output codeset and apply attributes. */
2146: gcp = tty_check_codeset(tty, gc);
2147: tty_attributes(tty, gcp, defaults, palette);
1.1 nicm 2148:
1.377 nicm 2149: /* If it is a single character, write with putc to handle ACS. */
1.298 nicm 2150: if (gcp->data.size == 1) {
1.377 nicm 2151: tty_attributes(tty, gcp, defaults, palette);
1.298 nicm 2152: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 2153: return;
1.298 nicm 2154: tty_putc(tty, *gcp->data.data);
1.1 nicm 2155: return;
2156: }
2157:
1.147 nicm 2158: /* Write the data. */
1.298 nicm 2159: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 2160: }
2161:
2162: void
2163: tty_reset(struct tty *tty)
2164: {
2165: struct grid_cell *gc = &tty->cell;
2166:
1.228 nicm 2167: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 2168: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 2169: tty_putcode(tty, TTYC_RMACS);
2170: tty_putcode(tty, TTYC_SGR0);
2171: memcpy(gc, &grid_default_cell, sizeof *gc);
2172: }
2173: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1.242 nicm 2174: }
2175:
2176: static void
2177: tty_invalidate(struct tty *tty)
2178: {
2179: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
2180: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
2181:
2182: tty->cx = tty->cy = UINT_MAX;
2183: tty->rupper = tty->rleft = UINT_MAX;
2184: tty->rlower = tty->rright = UINT_MAX;
2185:
2186: if (tty->flags & TTY_STARTED) {
1.330 nicm 2187: if (tty_use_margin(tty))
1.365 nicm 2188: tty_putcode(tty, TTYC_ENMG);
1.242 nicm 2189: tty_putcode(tty, TTYC_SGR0);
2190:
2191: tty->mode = ALL_MODES;
2192: tty_update_mode(tty, MODE_CURSOR, NULL);
2193:
2194: tty_cursor(tty, 0, 0);
2195: tty_region_off(tty);
2196: tty_margin_off(tty);
2197: } else
2198: tty->mode = MODE_CURSOR;
1.1 nicm 2199: }
2200:
1.214 nicm 2201: /* Turn off margin. */
2202: void
2203: tty_region_off(struct tty *tty)
2204: {
2205: tty_region(tty, 0, tty->sy - 1);
2206: }
2207:
1.40 nicm 2208: /* Set region inside pane. */
1.208 nicm 2209: static void
1.196 nicm 2210: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
2211: u_int rlower)
1.1 nicm 2212: {
1.372 nicm 2213: tty_region(tty, ctx->yoff + rupper - ctx->woy,
2214: ctx->yoff + rlower - ctx->woy);
1.39 nicm 2215: }
2216:
1.40 nicm 2217: /* Set region at absolute position. */
1.214 nicm 2218: static void
1.40 nicm 2219: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2220: {
2221: if (tty->rlower == rlower && tty->rupper == rupper)
2222: return;
1.1 nicm 2223: if (!tty_term_has(tty->term, TTYC_CSR))
2224: return;
1.39 nicm 2225:
2226: tty->rupper = rupper;
2227: tty->rlower = rlower;
1.55 nicm 2228:
2229: /*
2230: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2231: * 0,0 if it is beyond the last column (they do not reset their wrap
2232: * flag so further output causes a line feed). As a workaround, do an
2233: * explicit move to 0 first.
2234: */
1.353 nicm 2235: if (tty->cx >= tty->sx) {
2236: if (tty->cy == UINT_MAX)
2237: tty_cursor(tty, 0, 0);
2238: else
2239: tty_cursor(tty, 0, tty->cy);
2240: }
1.42 nicm 2241:
1.39 nicm 2242: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2243: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2244: }
2245:
1.214 nicm 2246: /* Turn off margin. */
2247: void
2248: tty_margin_off(struct tty *tty)
2249: {
2250: tty_margin(tty, 0, tty->sx - 1);
2251: }
2252:
1.212 nicm 2253: /* Set margin inside pane. */
2254: static void
2255: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2256: {
1.372 nicm 2257: tty_margin(tty, ctx->xoff - ctx->wox,
1.373 nicm 2258: ctx->xoff + ctx->sx - 1 - ctx->wox);
1.212 nicm 2259: }
2260:
2261: /* Set margin at absolute position. */
1.214 nicm 2262: static void
1.212 nicm 2263: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2264: {
2265: if (!tty_use_margin(tty))
2266: return;
2267: if (tty->rleft == rleft && tty->rright == rright)
2268: return;
2269:
1.232 nicm 2270: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2271:
1.212 nicm 2272: tty->rleft = rleft;
2273: tty->rright = rright;
2274:
1.232 nicm 2275: if (rleft == 0 && rright == tty->sx - 1)
1.365 nicm 2276: tty_putcode(tty, TTYC_CLMG);
1.232 nicm 2277: else
1.365 nicm 2278: tty_putcode2(tty, TTYC_CMG, rleft, rright);
1.249 nicm 2279: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2280: }
2281:
2282: /*
2283: * Move the cursor, unless it would wrap itself when the next character is
2284: * printed.
2285: */
2286: static void
2287: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2288: u_int cx, u_int cy)
2289: {
1.268 nicm 2290: if (!ctx->wrapped ||
1.372 nicm 2291: !tty_full_width(tty, ctx) ||
1.382 nicm 2292: (tty->term->flags & TERM_NOAM) ||
1.253 nicm 2293: ctx->xoff + cx != 0 ||
2294: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2295: tty->cx < tty->sx ||
2296: tty->cy == tty->rlower)
1.253 nicm 2297: tty_cursor_pane(tty, ctx, cx, cy);
2298: else
2299: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2300: }
2301:
1.42 nicm 2302: /* Move cursor inside pane. */
1.208 nicm 2303: static void
1.41 nicm 2304: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2305: {
1.372 nicm 2306: tty_cursor(tty, ctx->xoff + cx - ctx->wox, ctx->yoff + cy - ctx->woy);
1.41 nicm 2307: }
2308:
1.42 nicm 2309: /* Move cursor to absolute position. */
1.41 nicm 2310: void
2311: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2312: {
1.42 nicm 2313: struct tty_term *term = tty->term;
2314: u_int thisx, thisy;
2315: int change;
1.354 nicm 2316:
2317: if (tty->flags & TTY_BLOCK)
2318: return;
1.77 nicm 2319:
1.42 nicm 2320: thisx = tty->cx;
2321: thisy = tty->cy;
2322:
1.409 nicm 2323: /*
2324: * If in the automargin space, and want to be there, do not move.
2325: * Otherwise, force the cursor to be in range (and complain).
2326: */
2327: if (cx == thisx && cy == thisy && cx == tty->sx)
2328: return;
2329: if (cx > tty->sx - 1) {
2330: log_debug("%s: x too big %u > %u", __func__, cx, tty->sx - 1);
2331: cx = tty->sx - 1;
2332: }
2333:
1.42 nicm 2334: /* No change. */
2335: if (cx == thisx && cy == thisy)
2336: return;
2337:
1.409 nicm 2338: /* Currently at the very end of the line - use absolute movement. */
1.43 nicm 2339: if (thisx > tty->sx - 1)
2340: goto absolute;
2341:
1.42 nicm 2342: /* Move to home position (0, 0). */
2343: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2344: tty_putcode(tty, TTYC_HOME);
2345: goto out;
2346: }
2347:
2348: /* Zero on the next line. */
1.293 nicm 2349: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2350: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2351: tty_putc(tty, '\r');
1.42 nicm 2352: tty_putc(tty, '\n');
2353: goto out;
2354: }
2355:
1.45 nicm 2356: /* Moving column or row. */
1.42 nicm 2357: if (cy == thisy) {
1.45 nicm 2358: /*
2359: * Moving column only, row staying the same.
2360: */
2361:
1.42 nicm 2362: /* To left edge. */
1.294 nicm 2363: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2364: tty_putc(tty, '\r');
2365: goto out;
2366: }
2367:
2368: /* One to the left. */
2369: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2370: tty_putcode(tty, TTYC_CUB1);
2371: goto out;
2372: }
2373:
2374: /* One to the right. */
2375: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2376: tty_putcode(tty, TTYC_CUF1);
2377: goto out;
2378: }
2379:
2380: /* Calculate difference. */
2381: change = thisx - cx; /* +ve left, -ve right */
2382:
2383: /*
2384: * Use HPA if change is larger than absolute, otherwise move
2385: * the cursor with CUB/CUF.
2386: */
1.87 nicm 2387: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2388: tty_putcode1(tty, TTYC_HPA, cx);
2389: goto out;
1.333 nicm 2390: } else if (change > 0 &&
2391: tty_term_has(term, TTYC_CUB) &&
2392: !tty_use_margin(tty)) {
1.202 nicm 2393: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2394: tty_putcode(tty, TTYC_CUB1);
2395: tty_putcode(tty, TTYC_CUB1);
2396: goto out;
2397: }
1.42 nicm 2398: tty_putcode1(tty, TTYC_CUB, change);
2399: goto out;
1.333 nicm 2400: } else if (change < 0 &&
2401: tty_term_has(term, TTYC_CUF) &&
2402: !tty_use_margin(tty)) {
1.42 nicm 2403: tty_putcode1(tty, TTYC_CUF, -change);
2404: goto out;
2405: }
1.45 nicm 2406: } else if (cx == thisx) {
2407: /*
2408: * Moving row only, column staying the same.
2409: */
1.42 nicm 2410:
2411: /* One above. */
1.77 nicm 2412: if (thisy != tty->rupper &&
1.42 nicm 2413: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2414: tty_putcode(tty, TTYC_CUU1);
2415: goto out;
2416: }
2417:
2418: /* One below. */
1.49 nicm 2419: if (thisy != tty->rlower &&
1.42 nicm 2420: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2421: tty_putcode(tty, TTYC_CUD1);
2422: goto out;
2423: }
2424:
2425: /* Calculate difference. */
2426: change = thisy - cy; /* +ve up, -ve down */
2427:
2428: /*
1.77 nicm 2429: * Try to use VPA if change is larger than absolute or if this
2430: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2431: */
1.87 nicm 2432: if ((u_int) abs(change) > cy ||
1.42 nicm 2433: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2434: (change > 0 && cy - change < tty->rupper)) {
2435: if (tty_term_has(term, TTYC_VPA)) {
2436: tty_putcode1(tty, TTYC_VPA, cy);
2437: goto out;
2438: }
1.42 nicm 2439: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2440: tty_putcode1(tty, TTYC_CUU, change);
2441: goto out;
2442: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2443: tty_putcode1(tty, TTYC_CUD, -change);
2444: goto out;
2445: }
2446: }
2447:
1.43 nicm 2448: absolute:
1.42 nicm 2449: /* Absolute movement. */
2450: tty_putcode2(tty, TTYC_CUP, cy, cx);
2451:
2452: out:
2453: tty->cx = cx;
2454: tty->cy = cy;
1.1 nicm 2455: }
2456:
2457: void
1.176 nicm 2458: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.399 nicm 2459: const struct grid_cell *defaults, struct colour_palette *palette)
1.1 nicm 2460: {
1.63 nicm 2461: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2462: int changed;
1.61 nicm 2463:
1.373 nicm 2464: /* Copy cell and update default colours. */
2465: memcpy(&gc2, gc, sizeof gc2);
1.399 nicm 2466: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2467: if (gc2.fg == 8)
2468: gc2.fg = defaults->fg;
2469: if (gc2.bg == 8)
2470: gc2.bg = defaults->bg;
2471: }
1.373 nicm 2472:
1.228 nicm 2473: /* Ignore cell if it is the same as the last one. */
1.373 nicm 2474: if (gc2.attr == tty->last_cell.attr &&
2475: gc2.fg == tty->last_cell.fg &&
2476: gc2.bg == tty->last_cell.bg &&
2477: gc2.us == tty->last_cell.us)
1.228 nicm 2478: return;
1.63 nicm 2479:
1.18 nicm 2480: /*
2481: * If no setab, try to use the reverse attribute as a best-effort for a
2482: * non-default background. This is a bit of a hack but it doesn't do
2483: * any serious harm and makes a couple of applications happier.
2484: */
2485: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2486: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2487: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2488: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2489: } else {
1.310 nicm 2490: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2491: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2492: }
2493: }
1.1 nicm 2494:
1.85 nicm 2495: /* Fix up the colours if necessary. */
1.373 nicm 2496: tty_check_fg(tty, palette, &gc2);
2497: tty_check_bg(tty, palette, &gc2);
2498: tty_check_us(tty, palette, &gc2);
1.85 nicm 2499:
1.328 nicm 2500: /*
2501: * If any bits are being cleared or the underline colour is now default,
2502: * reset everything.
2503: */
2504: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2505: tty_reset(tty);
2506:
2507: /*
2508: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2509: * may add to (NOT remove) the desired attributes.
1.64 nicm 2510: */
1.85 nicm 2511: tty_colours(tty, &gc2);
1.64 nicm 2512:
1.1 nicm 2513: /* Filter out attribute bits already set. */
1.85 nicm 2514: changed = gc2.attr & ~tc->attr;
2515: tc->attr = gc2.attr;
1.1 nicm 2516:
2517: /* Set the attributes. */
2518: if (changed & GRID_ATTR_BRIGHT)
2519: tty_putcode(tty, TTYC_BOLD);
2520: if (changed & GRID_ATTR_DIM)
2521: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2522: if (changed & GRID_ATTR_ITALICS)
2523: tty_set_italics(tty);
1.308 nicm 2524: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2525: if ((changed & GRID_ATTR_UNDERSCORE) ||
2526: !tty_term_has(tty->term, TTYC_SMULX))
2527: tty_putcode(tty, TTYC_SMUL);
2528: else if (changed & GRID_ATTR_UNDERSCORE_2)
2529: tty_putcode1(tty, TTYC_SMULX, 2);
2530: else if (changed & GRID_ATTR_UNDERSCORE_3)
2531: tty_putcode1(tty, TTYC_SMULX, 3);
2532: else if (changed & GRID_ATTR_UNDERSCORE_4)
2533: tty_putcode1(tty, TTYC_SMULX, 4);
2534: else if (changed & GRID_ATTR_UNDERSCORE_5)
2535: tty_putcode1(tty, TTYC_SMULX, 5);
2536: }
1.1 nicm 2537: if (changed & GRID_ATTR_BLINK)
2538: tty_putcode(tty, TTYC_BLINK);
2539: if (changed & GRID_ATTR_REVERSE) {
2540: if (tty_term_has(tty->term, TTYC_REV))
2541: tty_putcode(tty, TTYC_REV);
2542: else if (tty_term_has(tty->term, TTYC_SMSO))
2543: tty_putcode(tty, TTYC_SMSO);
2544: }
2545: if (changed & GRID_ATTR_HIDDEN)
2546: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2547: if (changed & GRID_ATTR_STRIKETHROUGH)
2548: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2549: if (changed & GRID_ATTR_OVERLINE)
2550: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2551: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2552: tty_putcode(tty, TTYC_SMACS);
1.373 nicm 2553:
2554: memcpy(&tty->last_cell, &gc2, sizeof tty->last_cell);
1.1 nicm 2555: }
2556:
1.207 nicm 2557: static void
1.85 nicm 2558: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2559: {
1.61 nicm 2560: struct grid_cell *tc = &tty->cell;
1.204 nicm 2561: int have_ax;
1.61 nicm 2562:
2563: /* No changes? Nothing is necessary. */
1.328 nicm 2564: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2565: return;
1.1 nicm 2566:
1.61 nicm 2567: /*
2568: * Is either the default colour? This is handled specially because the
2569: * best solution might be to reset both colours to default, in which
2570: * case if only one is default need to fall onward to set the other
2571: * colour.
2572: */
1.310 nicm 2573: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2574: /*
2575: * If don't have AX but do have op, send sgr0 (op can't
2576: * actually be used because it is sometimes the same as sgr0
2577: * and sometimes isn't). This resets both colours to default.
2578: *
2579: * Otherwise, try to set the default colour only as needed.
2580: */
1.174 nicm 2581: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2582: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2583: tty_reset(tty);
2584: else {
1.310 nicm 2585: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2586: if (have_ax)
2587: tty_puts(tty, "\033[39m");
1.204 nicm 2588: else if (tc->fg != 7)
1.61 nicm 2589: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2590: tc->fg = gc->fg;
1.61 nicm 2591: }
1.310 nicm 2592: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2593: if (have_ax)
1.61 nicm 2594: tty_puts(tty, "\033[49m");
1.204 nicm 2595: else if (tc->bg != 0)
1.61 nicm 2596: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2597: tc->bg = gc->bg;
1.61 nicm 2598: }
2599: }
2600: }
1.1 nicm 2601:
1.61 nicm 2602: /* Set the foreground colour. */
1.310 nicm 2603: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2604: tty_colours_fg(tty, gc);
1.1 nicm 2605:
1.61 nicm 2606: /*
2607: * Set the background colour. This must come after the foreground as
2608: * tty_colour_fg() can call tty_reset().
2609: */
1.310 nicm 2610: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2611: tty_colours_bg(tty, gc);
1.328 nicm 2612:
1.399 nicm 2613: /* Set the underscore colour. */
1.328 nicm 2614: if (gc->us != tc->us)
2615: tty_colours_us(tty, gc);
1.1 nicm 2616: }
2617:
1.219 nicm 2618: static void
1.399 nicm 2619: tty_check_fg(struct tty *tty, struct colour_palette *palette,
2620: struct grid_cell *gc)
1.85 nicm 2621: {
1.204 nicm 2622: u_char r, g, b;
2623: u_int colours;
1.223 nicm 2624: int c;
1.85 nicm 2625:
1.288 nicm 2626: /*
2627: * Perform substitution if this pane has a palette. If the bright
2628: * attribute is set, use the bright entry in the palette by changing to
2629: * the aixterm colour.
2630: */
2631: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2632: c = gc->fg;
1.289 nicm 2633: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2634: c += 90;
1.399 nicm 2635: if ((c = colour_palette_get(palette, c)) != -1)
1.288 nicm 2636: gc->fg = c;
2637: }
1.219 nicm 2638:
1.199 nicm 2639: /* Is this a 24-bit colour? */
1.204 nicm 2640: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2641: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2642: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2643: return;
1.341 nicm 2644: colour_split_rgb(gc->fg, &r, &g, &b);
2645: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2646: }
1.224 nicm 2647:
2648: /* How many colours does this terminal have? */
1.359 nicm 2649: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2650: colours = 256;
2651: else
2652: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2653:
1.85 nicm 2654: /* Is this a 256-colour colour? */
1.204 nicm 2655: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2656: /* And not a 256 colour mode? */
1.387 nicm 2657: if (colours < 256) {
1.85 nicm 2658: gc->fg = colour_256to16(gc->fg);
2659: if (gc->fg & 8) {
2660: gc->fg &= 7;
1.175 nicm 2661: if (colours >= 16)
2662: gc->fg += 90;
1.332 nicm 2663: }
1.85 nicm 2664: }
2665: return;
2666: }
2667:
2668: /* Is this an aixterm colour? */
2669: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2670: gc->fg -= 90;
2671: gc->attr |= GRID_ATTR_BRIGHT;
2672: }
2673: }
2674:
1.219 nicm 2675: static void
1.399 nicm 2676: tty_check_bg(struct tty *tty, struct colour_palette *palette,
2677: struct grid_cell *gc)
1.85 nicm 2678: {
1.204 nicm 2679: u_char r, g, b;
2680: u_int colours;
1.223 nicm 2681: int c;
1.85 nicm 2682:
1.288 nicm 2683: /* Perform substitution if this pane has a palette. */
2684: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2685: if ((c = colour_palette_get(palette, gc->bg)) != -1)
1.288 nicm 2686: gc->bg = c;
2687: }
1.219 nicm 2688:
1.199 nicm 2689: /* Is this a 24-bit colour? */
1.204 nicm 2690: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2691: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2692: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2693: return;
1.341 nicm 2694: colour_split_rgb(gc->bg, &r, &g, &b);
2695: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2696: }
1.224 nicm 2697:
2698: /* How many colours does this terminal have? */
1.359 nicm 2699: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2700: colours = 256;
2701: else
2702: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2703:
1.85 nicm 2704: /* Is this a 256-colour colour? */
1.204 nicm 2705: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2706: /*
2707: * And not a 256 colour mode? Translate to 16-colour
2708: * palette. Bold background doesn't exist portably, so just
2709: * discard the bold bit if set.
2710: */
1.387 nicm 2711: if (colours < 256) {
1.85 nicm 2712: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2713: if (gc->bg & 8) {
1.85 nicm 2714: gc->bg &= 7;
1.175 nicm 2715: if (colours >= 16)
1.322 nicm 2716: gc->bg += 90;
1.175 nicm 2717: }
1.85 nicm 2718: }
2719: return;
2720: }
2721:
2722: /* Is this an aixterm colour? */
1.175 nicm 2723: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2724: gc->bg -= 90;
2725: }
2726:
1.207 nicm 2727: static void
1.399 nicm 2728: tty_check_us(__unused struct tty *tty, struct colour_palette *palette,
2729: struct grid_cell *gc)
1.328 nicm 2730: {
2731: int c;
2732:
2733: /* Perform substitution if this pane has a palette. */
2734: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2735: if ((c = colour_palette_get(palette, gc->us)) != -1)
1.328 nicm 2736: gc->us = c;
2737: }
2738:
2739: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2740: if (gc->us & COLOUR_FLAG_256)
2741: gc->us = colour_256toRGB (gc->us);
2742: }
2743:
2744: static void
1.85 nicm 2745: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2746: {
1.61 nicm 2747: struct grid_cell *tc = &tty->cell;
1.79 nicm 2748: char s[32];
1.1 nicm 2749:
1.204 nicm 2750: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2751: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2752: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.385 nicm 2753: goto save;
1.199 nicm 2754: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2755: return;
1.1 nicm 2756: }
2757:
1.79 nicm 2758: /* Is this an aixterm bright colour? */
1.204 nicm 2759: if (gc->fg >= 90 && gc->fg <= 97) {
1.359 nicm 2760: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2761: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2762: tty_puts(tty, s);
2763: } else
2764: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.385 nicm 2765: goto save;
1.79 nicm 2766: }
2767:
1.61 nicm 2768: /* Otherwise set the foreground colour. */
1.204 nicm 2769: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2770:
1.385 nicm 2771: save:
1.61 nicm 2772: /* Save the new values in the terminal current cell. */
1.204 nicm 2773: tc->fg = gc->fg;
1.1 nicm 2774: }
2775:
1.207 nicm 2776: static void
1.73 nicm 2777: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2778: {
1.61 nicm 2779: struct grid_cell *tc = &tty->cell;
1.79 nicm 2780: char s[32];
1.1 nicm 2781:
1.204 nicm 2782: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2783: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2784: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.385 nicm 2785: goto save;
1.199 nicm 2786: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2787: return;
1.79 nicm 2788: }
2789:
2790: /* Is this an aixterm bright colour? */
1.204 nicm 2791: if (gc->bg >= 90 && gc->bg <= 97) {
1.359 nicm 2792: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2793: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2794: tty_puts(tty, s);
2795: } else
2796: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.385 nicm 2797: goto save;
1.1 nicm 2798: }
2799:
1.61 nicm 2800: /* Otherwise set the background colour. */
1.204 nicm 2801: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2802:
1.385 nicm 2803: save:
1.61 nicm 2804: /* Save the new values in the terminal current cell. */
1.204 nicm 2805: tc->bg = gc->bg;
1.328 nicm 2806: }
2807:
2808: static void
2809: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2810: {
2811: struct grid_cell *tc = &tty->cell;
2812: u_int c;
2813: u_char r, g, b;
2814:
1.385 nicm 2815: /* Clear underline colour. */
2816: if (gc->us == 0) {
2817: tty_putcode(tty, TTYC_OL);
2818: goto save;
2819: }
2820:
1.328 nicm 2821: /* Must be an RGB colour - this should never happen. */
2822: if (~gc->us & COLOUR_FLAG_RGB)
2823: return;
2824:
2825: /*
1.385 nicm 2826: * Setulc and setal follows the ncurses(3) one argument "direct colour"
1.328 nicm 2827: * capability format. Calculate the colour value.
2828: */
2829: colour_split_rgb(gc->us, &r, &g, &b);
2830: c = (65536 * r) + (256 * g) + b;
2831:
1.385 nicm 2832: /*
2833: * Write the colour. Only use setal if the RGB flag is set because the
2834: * non-RGB version may be wrong.
2835: */
2836: if (tty_term_has(tty->term, TTYC_SETULC))
2837: tty_putcode1(tty, TTYC_SETULC, c);
2838: else if (tty_term_has(tty->term, TTYC_SETAL) &&
2839: tty_term_has(tty->term, TTYC_RGB))
2840: tty_putcode1(tty, TTYC_SETAL, c);
1.328 nicm 2841:
1.385 nicm 2842: save:
1.328 nicm 2843: /* Save the new values in the terminal current cell. */
2844: tc->us = gc->us;
1.61 nicm 2845: }
2846:
1.207 nicm 2847: static int
1.204 nicm 2848: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2849: {
1.204 nicm 2850: u_char r, g, b;
1.61 nicm 2851:
1.204 nicm 2852: if (colour & COLOUR_FLAG_256) {
1.359 nicm 2853: if (*type == '3' && tty_term_has(tty->term, TTYC_SETAF))
2854: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2855: else if (tty_term_has(tty->term, TTYC_SETAB))
2856: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2857: return (0);
1.204 nicm 2858: }
2859:
2860: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2861: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.359 nicm 2862: if (*type == '3' && tty_term_has(tty->term, TTYC_SETRGBF))
1.286 nicm 2863: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
1.359 nicm 2864: else if (tty_term_has(tty->term, TTYC_SETRGBB))
1.286 nicm 2865: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
1.165 nicm 2866: return (0);
2867: }
1.61 nicm 2868:
1.165 nicm 2869: return (-1);
1.176 nicm 2870: }
2871:
1.207 nicm 2872: static void
1.371 nicm 2873: tty_window_default_style(struct grid_cell *gc, struct window_pane *wp)
2874: {
2875: memcpy(gc, &grid_default_cell, sizeof *gc);
1.399 nicm 2876: gc->fg = wp->palette.fg;
2877: gc->bg = wp->palette.bg;
1.371 nicm 2878: }
2879:
1.373 nicm 2880: void
1.317 nicm 2881: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2882: {
1.400 nicm 2883: struct options *oo = wp->options;
2884: struct format_tree *ft;
1.373 nicm 2885:
2886: memcpy(gc, &grid_default_cell, sizeof *gc);
1.326 nicm 2887:
2888: if (wp->flags & PANE_STYLECHANGED) {
1.400 nicm 2889: log_debug("%%%u: style changed", wp->id);
1.326 nicm 2890: wp->flags &= ~PANE_STYLECHANGED;
1.371 nicm 2891:
1.400 nicm 2892: ft = format_create(NULL, NULL, FORMAT_PANE|wp->id,
2893: FORMAT_NOJOBS);
2894: format_defaults(ft, NULL, NULL, NULL, wp);
1.371 nicm 2895: tty_window_default_style(&wp->cached_active_gc, wp);
1.400 nicm 2896: style_add(&wp->cached_active_gc, oo, "window-active-style", ft);
1.371 nicm 2897: tty_window_default_style(&wp->cached_gc, wp);
1.400 nicm 2898: style_add(&wp->cached_gc, oo, "window-style", ft);
2899: format_free(ft);
1.203 nicm 2900: }
1.176 nicm 2901:
1.204 nicm 2902: if (gc->fg == 8) {
1.370 nicm 2903: if (wp == wp->window->active && wp->cached_active_gc.fg != 8)
2904: gc->fg = wp->cached_active_gc.fg;
1.204 nicm 2905: else
1.370 nicm 2906: gc->fg = wp->cached_gc.fg;
1.176 nicm 2907: }
2908:
1.204 nicm 2909: if (gc->bg == 8) {
1.370 nicm 2910: if (wp == wp->window->active && wp->cached_active_gc.bg != 8)
2911: gc->bg = wp->cached_active_gc.bg;
1.204 nicm 2912: else
1.370 nicm 2913: gc->bg = wp->cached_gc.bg;
1.176 nicm 2914: }
1.210 nicm 2915: }
2916:
2917: static void
1.373 nicm 2918: tty_default_attributes(struct tty *tty, const struct grid_cell *defaults,
1.399 nicm 2919: struct colour_palette *palette, u_int bg)
1.210 nicm 2920: {
1.373 nicm 2921: struct grid_cell gc;
1.210 nicm 2922:
2923: memcpy(&gc, &grid_default_cell, sizeof gc);
2924: gc.bg = bg;
1.373 nicm 2925: tty_attributes(tty, &gc, defaults, palette);
1.1 nicm 2926: }
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