Annotation of src/usr.bin/tmux/tty.c, Revision 1.433
1.433 ! nicm 1: /* $OpenBSD: tty.c,v 1.432 2023/07/13 06:03:48 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:
1.207 nicm 37: static void tty_set_italics(struct tty *);
38: static int tty_try_colour(struct tty *, int, const char *);
1.410 nicm 39: static void tty_force_cursor_colour(struct tty *, int);
1.208 nicm 40: static void tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int,
41: u_int);
1.253 nicm 42: static void tty_cursor_pane_unless_wrap(struct tty *,
43: const struct tty_ctx *, u_int, u_int);
1.242 nicm 44: static void tty_invalidate(struct tty *);
1.207 nicm 45: static void tty_colours(struct tty *, const struct grid_cell *);
1.399 nicm 46: static void tty_check_fg(struct tty *, struct colour_palette *,
47: struct grid_cell *);
48: static void tty_check_bg(struct tty *, struct colour_palette *,
49: struct grid_cell *);
50: static void tty_check_us(struct tty *, struct colour_palette *,
51: struct grid_cell *);
1.207 nicm 52: static void tty_colours_fg(struct tty *, const struct grid_cell *);
53: static void tty_colours_bg(struct tty *, const struct grid_cell *);
1.328 nicm 54: static void tty_colours_us(struct tty *, const struct grid_cell *);
1.207 nicm 55:
1.208 nicm 56: static void tty_region_pane(struct tty *, const struct tty_ctx *, u_int,
57: u_int);
1.214 nicm 58: static void tty_region(struct tty *, u_int, u_int);
1.212 nicm 59: static void tty_margin_pane(struct tty *, const struct tty_ctx *);
1.214 nicm 60: static void tty_margin(struct tty *, u_int, u_int);
1.207 nicm 61: static int tty_large_region(struct tty *, const struct tty_ctx *);
1.373 nicm 62: static int tty_fake_bce(const struct tty *, const struct grid_cell *,
63: u_int);
1.207 nicm 64: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
65: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
66: enum tty_code_code, u_int);
67: static void tty_repeat_space(struct tty *, u_int);
1.309 nicm 68: static void tty_draw_pane(struct tty *, const struct tty_ctx *, u_int);
1.373 nicm 69: static void tty_default_attributes(struct tty *, const struct grid_cell *,
1.421 nicm 70: struct colour_palette *, u_int, struct hyperlinks *);
1.394 nicm 71: static int tty_check_overlay(struct tty *, u_int, u_int);
1.406 nicm 72: static void tty_check_overlay_range(struct tty *, u_int, u_int, u_int,
73: struct overlay_ranges *);
1.1 nicm 74:
1.212 nicm 75: #define tty_use_margin(tty) \
1.359 nicm 76: (tty->term->flags & TERM_DECSLRM)
1.372 nicm 77: #define tty_full_width(tty, ctx) \
78: ((ctx)->xoff == 0 && (ctx)->sx >= (tty)->sx)
1.132 nicm 79:
1.266 nicm 80: #define TTY_BLOCK_INTERVAL (100000 /* 100 milliseconds */)
81: #define TTY_BLOCK_START(tty) (1 + ((tty)->sx * (tty)->sy) * 8)
82: #define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
83:
1.416 nicm 84: #define TTY_QUERY_TIMEOUT 5
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;
1.426 nicm 109: tty->fg = tty->bg = -1;
1.30 nicm 110:
1.380 nicm 111: if (tcgetattr(c->fd, &tty->tio) != 0)
112: return (-1);
1.185 nicm 113: return (0);
1.31 nicm 114: }
115:
1.287 nicm 116: void
1.31 nicm 117: tty_resize(struct tty *tty)
118: {
1.258 nicm 119: struct client *c = tty->client;
120: struct winsize ws;
1.334 nicm 121: u_int sx, sy, xpixel, ypixel;
1.31 nicm 122:
1.380 nicm 123: if (ioctl(c->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 124: sx = ws.ws_col;
1.334 nicm 125: if (sx == 0) {
1.88 nicm 126: sx = 80;
1.334 nicm 127: xpixel = 0;
128: } else
129: xpixel = ws.ws_xpixel / sx;
1.88 nicm 130: sy = ws.ws_row;
1.334 nicm 131: if (sy == 0) {
1.88 nicm 132: sy = 24;
1.334 nicm 133: ypixel = 0;
134: } else
135: ypixel = ws.ws_ypixel / sy;
1.88 nicm 136: } else {
137: sx = 80;
138: sy = 24;
1.334 nicm 139: xpixel = 0;
140: ypixel = 0;
1.31 nicm 141: }
1.334 nicm 142: log_debug("%s: %s now %ux%u (%ux%u)", __func__, c->name, sx, sy,
143: xpixel, ypixel);
144: tty_set_size(tty, sx, sy, xpixel, ypixel);
1.242 nicm 145: tty_invalidate(tty);
1.114 nicm 146: }
147:
1.287 nicm 148: void
1.334 nicm 149: tty_set_size(struct tty *tty, u_int sx, u_int sy, u_int xpixel, u_int ypixel)
1.212 nicm 150: {
1.114 nicm 151: tty->sx = sx;
152: tty->sy = sy;
1.334 nicm 153: tty->xpixel = xpixel;
154: tty->ypixel = ypixel;
1.1 nicm 155: }
156:
1.244 nicm 157: static void
158: tty_read_callback(__unused int fd, __unused short events, void *data)
159: {
160: struct tty *tty = data;
1.258 nicm 161: struct client *c = tty->client;
1.375 nicm 162: const char *name = c->name;
1.244 nicm 163: size_t size = EVBUFFER_LENGTH(tty->in);
164: int nread;
165:
1.380 nicm 166: nread = evbuffer_read(tty->in, c->fd, -1);
1.295 nicm 167: if (nread == 0 || nread == -1) {
1.375 nicm 168: if (nread == 0)
169: log_debug("%s: read closed", name);
170: else
171: log_debug("%s: read error: %s", name, strerror(errno));
1.290 nicm 172: event_del(&tty->event_in);
1.295 nicm 173: server_client_lost(tty->client);
1.244 nicm 174: return;
1.290 nicm 175: }
1.375 nicm 176: log_debug("%s: read %d bytes (already %zu)", name, nread, size);
1.244 nicm 177:
178: while (tty_keys_next(tty))
179: ;
180: }
181:
182: static void
1.266 nicm 183: tty_timer_callback(__unused int fd, __unused short events, void *data)
184: {
185: struct tty *tty = data;
186: struct client *c = tty->client;
187: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
188:
189: log_debug("%s: %zu discarded", c->name, tty->discarded);
190:
1.305 nicm 191: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.266 nicm 192: c->discarded += tty->discarded;
193:
194: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
195: tty->flags &= ~TTY_BLOCK;
196: tty_invalidate(tty);
197: return;
198: }
199: tty->discarded = 0;
200: evtimer_add(&tty->timer, &tv);
201: }
202:
203: static int
204: tty_block_maybe(struct tty *tty)
205: {
206: struct client *c = tty->client;
207: size_t size = EVBUFFER_LENGTH(tty->out);
208: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
209:
1.414 nicm 210: if (size == 0)
211: tty->flags &= ~TTY_NOBLOCK;
212: else if (tty->flags & TTY_NOBLOCK)
213: return (0);
214:
1.266 nicm 215: if (size < TTY_BLOCK_START(tty))
216: return (0);
217:
218: if (tty->flags & TTY_BLOCK)
219: return (1);
220: tty->flags |= TTY_BLOCK;
221:
222: log_debug("%s: can't keep up, %zu discarded", c->name, size);
223:
224: evbuffer_drain(tty->out, size);
225: c->discarded += size;
226:
227: tty->discarded = 0;
228: evtimer_add(&tty->timer, &tv);
229: return (1);
230: }
231:
232: static void
1.244 nicm 233: tty_write_callback(__unused int fd, __unused short events, void *data)
234: {
1.246 nicm 235: struct tty *tty = data;
1.258 nicm 236: struct client *c = tty->client;
1.246 nicm 237: size_t size = EVBUFFER_LENGTH(tty->out);
238: int nwrite;
1.244 nicm 239:
1.380 nicm 240: nwrite = evbuffer_write(tty->out, c->fd);
1.244 nicm 241: if (nwrite == -1)
242: return;
1.258 nicm 243: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 244:
1.270 nicm 245: if (c->redraw > 0) {
246: if ((size_t)nwrite >= c->redraw)
247: c->redraw = 0;
248: else
249: c->redraw -= nwrite;
250: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
251: c->redraw);
252: } else if (tty_block_maybe(tty))
1.266 nicm 253: return;
254:
1.247 nicm 255: if (EVBUFFER_LENGTH(tty->out) != 0)
256: event_add(&tty->event_out, NULL);
1.244 nicm 257: }
258:
1.1 nicm 259: int
1.166 nicm 260: tty_open(struct tty *tty, char **cause)
1.1 nicm 261: {
1.359 nicm 262: struct client *c = tty->client;
263:
1.389 nicm 264: tty->term = tty_term_create(tty, c->term_name, c->term_caps,
265: c->term_ncaps, &c->term_features, cause);
1.21 nicm 266: if (tty->term == NULL) {
267: tty_close(tty);
268: return (-1);
269: }
270: tty->flags |= TTY_OPENED;
1.1 nicm 271:
1.266 nicm 272: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 273:
1.380 nicm 274: event_set(&tty->event_in, c->fd, EV_PERSIST|EV_READ,
1.244 nicm 275: tty_read_callback, tty);
276: tty->in = evbuffer_new();
1.311 nicm 277: if (tty->in == NULL)
278: fatal("out of memory");
1.1 nicm 279:
1.380 nicm 280: event_set(&tty->event_out, c->fd, EV_WRITE, tty_write_callback, tty);
1.244 nicm 281: tty->out = evbuffer_new();
1.311 nicm 282: if (tty->out == NULL)
283: fatal("out of memory");
1.1 nicm 284:
1.266 nicm 285: evtimer_set(&tty->timer, tty_timer_callback, tty);
286:
1.1 nicm 287: tty_start_tty(tty);
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);
1.425 nicm 300: if ((tty->flags & (TTY_HAVEDA|TTY_HAVEDA2|TTY_HAVEXDA)) == 0)
1.378 nicm 301: tty_update_features(tty);
1.426 nicm 302: tty->flags |= TTY_ALL_REQUEST_FLAGS;
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;
1.416 nicm 310: struct timeval tv = { .tv_sec = TTY_QUERY_TIMEOUT };
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: }
1.427 nicm 342: if (tty_term_has(tty->term, TTYC_ENBP))
343: tty_putcode(tty, TTYC_ENBP);
1.121 nicm 344:
1.340 nicm 345: evtimer_set(&tty->start_timer, tty_start_timer_callback, tty);
346: evtimer_add(&tty->start_timer, &tv);
347:
1.20 nicm 348: tty->flags |= TTY_STARTED;
1.242 nicm 349: tty_invalidate(tty);
1.107 nicm 350:
1.410 nicm 351: if (tty->ccolour != -1)
352: tty_force_cursor_colour(tty, -1);
1.177 nicm 353:
354: tty->mouse_drag_flag = 0;
355: tty->mouse_drag_update = NULL;
356: tty->mouse_drag_release = NULL;
1.347 nicm 357: }
358:
359: void
360: tty_send_requests(struct tty *tty)
361: {
362: if (~tty->flags & TTY_STARTED)
363: return;
364:
1.369 nicm 365: if (tty->term->flags & TERM_VT100LIKE) {
1.425 nicm 366: if (~tty->term->flags & TTY_HAVEDA)
367: tty_puts(tty, "\033[c");
368: if (~tty->flags & TTY_HAVEDA2)
1.351 nicm 369: tty_puts(tty, "\033[>c");
1.364 nicm 370: if (~tty->flags & TTY_HAVEXDA)
371: tty_puts(tty, "\033[>q");
1.426 nicm 372: if (~tty->flags & TTY_HAVEFG)
373: tty_puts(tty, "\033]10;?\033\\");
374: if (~tty->flags & TTY_HAVEBG)
375: tty_puts(tty, "\033]11;?\033\\");
1.347 nicm 376: } else
1.426 nicm 377: tty->flags |= TTY_ALL_REQUEST_FLAGS;
1.128 nicm 378: }
379:
380: void
1.1 nicm 381: tty_stop_tty(struct tty *tty)
382: {
1.380 nicm 383: struct client *c = tty->client;
384: struct winsize ws;
1.1 nicm 385:
1.20 nicm 386: if (!(tty->flags & TTY_STARTED))
387: return;
388: tty->flags &= ~TTY_STARTED;
1.340 nicm 389:
390: evtimer_del(&tty->start_timer);
1.20 nicm 391:
1.266 nicm 392: event_del(&tty->timer);
393: tty->flags &= ~TTY_BLOCK;
394:
1.244 nicm 395: event_del(&tty->event_in);
396: event_del(&tty->event_out);
1.66 nicm 397:
1.1 nicm 398: /*
399: * Be flexible about error handling and try not kill the server just
400: * because the fd is invalid. Things like ssh -t can easily leave us
401: * with a dead tty.
402: */
1.380 nicm 403: if (ioctl(c->fd, TIOCGWINSZ, &ws) == -1)
1.1 nicm 404: return;
1.380 nicm 405: if (tcsetattr(c->fd, TCSANOW, &tty->tio) == -1)
1.1 nicm 406: return;
407:
1.430 nicm 408: tty_raw(tty, tty_term_string_ii(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 409: if (tty_acs_needed(tty))
1.90 nicm 410: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 411: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
412: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
413: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.391 nicm 414: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
1.160 nicm 415: if (tty_term_has(tty->term, TTYC_SE))
416: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.391 nicm 417: else if (tty_term_has(tty->term, TTYC_SS))
1.430 nicm 418: tty_raw(tty, tty_term_string_i(tty->term, TTYC_SS, 0));
1.108 nicm 419: }
1.410 nicm 420: if (tty->ccolour != -1)
1.336 nicm 421: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 422:
423: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
1.343 nicm 424: if (tty_term_has(tty->term, TTYC_KMOUS)) {
425: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1003l");
426: tty_raw(tty, "\033[?1006l\033[?1005l");
427: }
1.427 nicm 428: if (tty_term_has(tty->term, TTYC_DSBP))
429: tty_raw(tty, tty_term_string(tty->term, TTYC_DSBP));
1.151 nicm 430:
1.369 nicm 431: if (tty->term->flags & TERM_VT100LIKE)
1.352 nicm 432: tty_raw(tty, "\033[?7727l");
1.378 nicm 433: tty_raw(tty, tty_term_string(tty->term, TTYC_DSFCS));
434: tty_raw(tty, tty_term_string(tty->term, TTYC_DSEKS));
1.10 nicm 435:
1.212 nicm 436: if (tty_use_margin(tty))
1.365 nicm 437: tty_raw(tty, tty_term_string(tty->term, TTYC_DSMG));
1.10 nicm 438: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 439:
1.380 nicm 440: setblocking(c->fd, 1);
1.1 nicm 441: }
442:
443: void
1.20 nicm 444: tty_close(struct tty *tty)
1.1 nicm 445: {
1.123 nicm 446: if (event_initialized(&tty->key_timer))
447: evtimer_del(&tty->key_timer);
1.20 nicm 448: tty_stop_tty(tty);
1.1 nicm 449:
1.21 nicm 450: if (tty->flags & TTY_OPENED) {
1.244 nicm 451: evbuffer_free(tty->in);
452: event_del(&tty->event_in);
453: evbuffer_free(tty->out);
454: event_del(&tty->event_out);
1.66 nicm 455:
1.21 nicm 456: tty_term_free(tty->term);
457: tty_keys_free(tty);
458:
459: tty->flags &= ~TTY_OPENED;
460: }
1.1 nicm 461: }
462:
463: void
1.20 nicm 464: tty_free(struct tty *tty)
1.1 nicm 465: {
1.20 nicm 466: tty_close(tty);
1.1 nicm 467: }
468:
469: void
1.359 nicm 470: tty_update_features(struct tty *tty)
1.212 nicm 471: {
1.359 nicm 472: struct client *c = tty->client;
473:
1.362 nicm 474: if (tty_apply_features(tty->term, c->term_features))
475: tty_term_apply_overrides(tty->term);
1.212 nicm 476:
477: if (tty_use_margin(tty))
1.365 nicm 478: tty_putcode(tty, TTYC_ENMG);
1.378 nicm 479: if (options_get_number(global_options, "extended-keys"))
480: tty_puts(tty, tty_term_string(tty->term, TTYC_ENEKS));
481: if (options_get_number(global_options, "focus-events"))
1.379 nicm 482: tty_puts(tty, tty_term_string(tty->term, TTYC_ENFCS));
1.378 nicm 483: if (tty->term->flags & TERM_VT100LIKE)
484: tty_puts(tty, "\033[?7727h");
1.429 nicm 485:
1.431 nicm 486: /*
487: * Features might have changed since the first draw during attach. For
488: * example, this happens when DA responses are received.
489: */
490: server_redraw_client(c);
491:
1.429 nicm 492: tty_invalidate(tty);
1.212 nicm 493: }
494:
495: void
1.1 nicm 496: tty_raw(struct tty *tty, const char *s)
497: {
1.380 nicm 498: struct client *c = tty->client;
499: ssize_t n, slen;
500: u_int i;
1.150 nicm 501:
502: slen = strlen(s);
503: for (i = 0; i < 5; i++) {
1.380 nicm 504: n = write(c->fd, s, slen);
1.150 nicm 505: if (n >= 0) {
506: s += n;
507: slen -= n;
508: if (slen == 0)
509: break;
510: } else if (n == -1 && errno != EAGAIN)
511: break;
512: usleep(100);
513: }
1.1 nicm 514: }
515:
516: void
517: tty_putcode(struct tty *tty, enum tty_code_code code)
518: {
519: tty_puts(tty, tty_term_string(tty->term, code));
520: }
521:
522: void
1.430 nicm 523: tty_putcode_i(struct tty *tty, enum tty_code_code code, int a)
1.1 nicm 524: {
525: if (a < 0)
526: return;
1.430 nicm 527: tty_puts(tty, tty_term_string_i(tty->term, code, a));
1.1 nicm 528: }
529:
530: void
1.430 nicm 531: tty_putcode_ii(struct tty *tty, enum tty_code_code code, int a, int b)
1.1 nicm 532: {
533: if (a < 0 || b < 0)
534: return;
1.430 nicm 535: tty_puts(tty, tty_term_string_ii(tty->term, code, a, b));
1.1 nicm 536: }
537:
538: void
1.430 nicm 539: tty_putcode_iii(struct tty *tty, enum tty_code_code code, int a, int b, int c)
1.286 nicm 540: {
541: if (a < 0 || b < 0 || c < 0)
542: return;
1.430 nicm 543: tty_puts(tty, tty_term_string_iii(tty->term, code, a, b, c));
1.286 nicm 544: }
545:
546: void
1.430 nicm 547: tty_putcode_s(struct tty *tty, enum tty_code_code code, const char *a)
1.107 nicm 548: {
549: if (a != NULL)
1.430 nicm 550: tty_puts(tty, tty_term_string_s(tty->term, code, a));
1.107 nicm 551: }
552:
553: void
1.430 nicm 554: tty_putcode_ss(struct tty *tty, enum tty_code_code code, const char *a,
555: const char *b)
1.106 nicm 556: {
557: if (a != NULL && b != NULL)
1.430 nicm 558: tty_puts(tty, tty_term_string_ss(tty->term, code, a, b));
1.106 nicm 559: }
560:
1.243 nicm 561: static void
562: tty_add(struct tty *tty, const char *buf, size_t len)
563: {
1.258 nicm 564: struct client *c = tty->client;
565:
1.266 nicm 566: if (tty->flags & TTY_BLOCK) {
567: tty->discarded += len;
568: return;
569: }
570:
1.244 nicm 571: evbuffer_add(tty->out, buf, len);
1.270 nicm 572: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 573: c->written += len;
1.243 nicm 574:
575: if (tty_log_fd != -1)
576: write(tty_log_fd, buf, len);
1.244 nicm 577: if (tty->flags & TTY_STARTED)
578: event_add(&tty->event_out, NULL);
1.243 nicm 579: }
580:
1.106 nicm 581: void
1.1 nicm 582: tty_puts(struct tty *tty, const char *s)
583: {
1.243 nicm 584: if (*s != '\0')
585: tty_add(tty, s, strlen(s));
1.1 nicm 586: }
587:
588: void
589: tty_putc(struct tty *tty, u_char ch)
590: {
1.90 nicm 591: const char *acs;
1.1 nicm 592:
1.382 nicm 593: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 594: ch >= 0x20 && ch != 0x7f &&
595: tty->cy == tty->sy - 1 &&
596: tty->cx + 1 >= tty->sx)
597: return;
598:
1.90 nicm 599: if (tty->cell.attr & GRID_ATTR_CHARSET) {
600: acs = tty_acs_get(tty, ch);
1.243 nicm 601: if (acs != NULL)
602: tty_add(tty, acs, strlen(acs));
603: else
604: tty_add(tty, &ch, 1);
605: } else
606: tty_add(tty, &ch, 1);
1.1 nicm 607:
608: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 609: if (tty->cx >= tty->sx) {
1.46 nicm 610: tty->cx = 1;
611: if (tty->cy != tty->rlower)
612: tty->cy++;
1.211 nicm 613:
614: /*
1.382 nicm 615: * On !am terminals, force the cursor position to where
616: * we think it should be after a line wrap - this means
617: * it works on sensible terminals as well.
1.211 nicm 618: */
1.382 nicm 619: if (tty->term->flags & TERM_NOAM)
1.430 nicm 620: tty_putcode_ii(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 621: } else
622: tty->cx++;
623: }
624: }
625:
626: void
1.147 nicm 627: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 628: {
1.382 nicm 629: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 630: tty->cy == tty->sy - 1 &&
631: tty->cx + len >= tty->sx)
632: len = tty->sx - tty->cx - 1;
633:
1.243 nicm 634: tty_add(tty, buf, len);
1.268 nicm 635: if (tty->cx + width > tty->sx) {
636: tty->cx = (tty->cx + width) - tty->sx;
637: if (tty->cx <= tty->sx)
638: tty->cy++;
639: else
640: tty->cx = tty->cy = UINT_MAX;
641: } else
1.254 nicm 642: tty->cx += width;
1.5 nicm 643: }
644:
1.207 nicm 645: static void
1.180 nicm 646: tty_set_italics(struct tty *tty)
647: {
648: const char *s;
649:
650: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 651: s = options_get_string(global_options, "default-terminal");
1.180 nicm 652: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
653: tty_putcode(tty, TTYC_SITM);
654: return;
655: }
656: }
657: tty_putcode(tty, TTYC_SMSO);
658: }
659:
660: void
1.1 nicm 661: tty_set_title(struct tty *tty, const char *title)
662: {
1.105 nicm 663: if (!tty_term_has(tty->term, TTYC_TSL) ||
664: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 665: return;
666:
1.105 nicm 667: tty_putcode(tty, TTYC_TSL);
1.418 nicm 668: tty_puts(tty, title);
669: tty_putcode(tty, TTYC_FSL);
670: }
671:
672: void
673: tty_set_path(struct tty *tty, const char *title)
674: {
675: if (!tty_term_has(tty->term, TTYC_SWD) ||
676: !tty_term_has(tty->term, TTYC_FSL))
677: return;
678:
679: tty_putcode(tty, TTYC_SWD);
1.1 nicm 680: tty_puts(tty, title);
1.105 nicm 681: tty_putcode(tty, TTYC_FSL);
1.1 nicm 682: }
683:
1.208 nicm 684: static void
1.410 nicm 685: tty_force_cursor_colour(struct tty *tty, int c)
1.107 nicm 686: {
1.410 nicm 687: u_char r, g, b;
1.420 nicm 688: char s[13];
1.410 nicm 689:
690: if (c != -1)
691: c = colour_force_rgb(c);
692: if (c == tty->ccolour)
693: return;
694: if (c == -1)
1.107 nicm 695: tty_putcode(tty, TTYC_CR);
1.410 nicm 696: else {
697: colour_split_rgb(c, &r, &g, &b);
698: xsnprintf(s, sizeof s, "rgb:%02hhx/%02hhx/%02hhx", r, g, b);
1.430 nicm 699: tty_putcode_s(tty, TTYC_CS, s);
1.410 nicm 700: }
701: tty->ccolour = c;
1.107 nicm 702: }
703:
1.411 nicm 704: static int
705: tty_update_cursor(struct tty *tty, int mode, struct screen *s)
1.404 nicm 706: {
1.410 nicm 707: enum screen_cursor_style cstyle;
1.411 nicm 708: int ccolour, changed, cmode = mode;
1.404 nicm 709:
710: /* Set cursor colour if changed. */
1.410 nicm 711: if (s != NULL) {
712: ccolour = s->ccolour;
713: if (s->ccolour == -1)
714: ccolour = s->default_ccolour;
715: tty_force_cursor_colour(tty, ccolour);
716: }
1.404 nicm 717:
718: /* If cursor is off, set as invisible. */
1.411 nicm 719: if (~cmode & MODE_CURSOR) {
720: if (tty->mode & MODE_CURSOR)
1.404 nicm 721: tty_putcode(tty, TTYC_CIVIS);
1.411 nicm 722: return (cmode);
1.404 nicm 723: }
724:
725: /* Check if blinking or very visible flag changed or style changed. */
726: if (s == NULL)
727: cstyle = tty->cstyle;
1.411 nicm 728: else {
1.404 nicm 729: cstyle = s->cstyle;
1.411 nicm 730: if (cstyle == SCREEN_CURSOR_DEFAULT) {
731: if (~cmode & MODE_CURSOR_BLINKING_SET) {
732: if (s->default_mode & MODE_CURSOR_BLINKING)
733: cmode |= MODE_CURSOR_BLINKING;
734: else
735: cmode &= ~MODE_CURSOR_BLINKING;
736: }
737: cstyle = s->default_cstyle;
738: }
739: }
740:
741: /* If nothing changed, do nothing. */
742: changed = cmode ^ tty->mode;
1.404 nicm 743: if ((changed & CURSOR_MODES) == 0 && cstyle == tty->cstyle)
1.411 nicm 744: return (cmode);
1.404 nicm 745:
746: /*
747: * Set cursor style. If an explicit style has been set with DECSCUSR,
748: * set it if supported, otherwise send cvvis for blinking styles.
749: *
750: * If no style, has been set (SCREEN_CURSOR_DEFAULT), then send cvvis
751: * if either the blinking or very visible flags are set.
752: */
753: tty_putcode(tty, TTYC_CNORM);
754: switch (cstyle) {
755: case SCREEN_CURSOR_DEFAULT:
1.405 nicm 756: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
757: if (tty_term_has(tty->term, TTYC_SE))
758: tty_putcode(tty, TTYC_SE);
759: else
1.430 nicm 760: tty_putcode_i(tty, TTYC_SS, 0);
1.405 nicm 761: }
1.411 nicm 762: if (cmode & (MODE_CURSOR_BLINKING|MODE_CURSOR_VERY_VISIBLE))
1.404 nicm 763: tty_putcode(tty, TTYC_CVVIS);
764: break;
765: case SCREEN_CURSOR_BLOCK:
766: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 767: if (cmode & MODE_CURSOR_BLINKING)
1.430 nicm 768: tty_putcode_i(tty, TTYC_SS, 1);
1.404 nicm 769: else
1.430 nicm 770: tty_putcode_i(tty, TTYC_SS, 2);
1.411 nicm 771: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 772: tty_putcode(tty, TTYC_CVVIS);
773: break;
774: case SCREEN_CURSOR_UNDERLINE:
775: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 776: if (cmode & MODE_CURSOR_BLINKING)
1.430 nicm 777: tty_putcode_i(tty, TTYC_SS, 3);
1.404 nicm 778: else
1.430 nicm 779: tty_putcode_i(tty, TTYC_SS, 4);
1.411 nicm 780: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 781: tty_putcode(tty, TTYC_CVVIS);
782: break;
783: case SCREEN_CURSOR_BAR:
784: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 785: if (cmode & MODE_CURSOR_BLINKING)
1.430 nicm 786: tty_putcode_i(tty, TTYC_SS, 5);
1.404 nicm 787: else
1.430 nicm 788: tty_putcode_i(tty, TTYC_SS, 6);
1.411 nicm 789: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 790: tty_putcode(tty, TTYC_CVVIS);
791: break;
792: }
793: tty->cstyle = cstyle;
1.411 nicm 794: return (cmode);
1.404 nicm 795: }
796:
1.107 nicm 797: void
798: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 799: {
1.411 nicm 800: struct tty_term *term = tty->term;
1.404 nicm 801: struct client *c = tty->client;
802: int changed;
1.107 nicm 803:
1.1 nicm 804: if (tty->flags & TTY_NOCURSOR)
805: mode &= ~MODE_CURSOR;
806:
1.411 nicm 807: if (tty_update_cursor(tty, mode, s) & MODE_CURSOR_BLINKING)
808: mode |= MODE_CURSOR_BLINKING;
809: else
810: mode &= ~MODE_CURSOR_BLINKING;
811:
1.1 nicm 812: changed = mode ^ tty->mode;
1.392 nicm 813: if (log_get_level() != 0 && changed != 0) {
814: log_debug("%s: current mode %s", c->name,
815: screen_mode_to_string(tty->mode));
816: log_debug("%s: setting mode %s", c->name,
817: screen_mode_to_string(mode));
818: }
1.344 nicm 819:
1.411 nicm 820: if ((changed & ALL_MOUSE_MODES) && tty_term_has(term, TTYC_KMOUS)) {
1.386 nicm 821: /*
1.415 nicm 822: * If the mouse modes have changed, clear then all and apply
823: * again. There are differences in how terminals track the
824: * various bits.
1.386 nicm 825: */
1.415 nicm 826: tty_puts(tty, "\033[?1006l\033[?1000l\033[?1002l\033[?1003l");
1.344 nicm 827: if (mode & ALL_MOUSE_MODES)
1.153 nicm 828: tty_puts(tty, "\033[?1006h");
1.415 nicm 829: if (mode & MODE_MOUSE_ALL)
830: tty_puts(tty, "\033[?1000h\033[?1002h\033[?1003h");
1.419 nicm 831: else if (mode & MODE_MOUSE_BUTTON)
1.415 nicm 832: tty_puts(tty, "\033[?1000h\033[?1002h");
833: else if (mode & MODE_MOUSE_STANDARD)
1.344 nicm 834: tty_puts(tty, "\033[?1000h");
1.1 nicm 835: }
836: tty->mode = mode;
837: }
838:
1.207 nicm 839: static void
1.168 nicm 840: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
841: enum tty_code_code code1, u_int n)
1.1 nicm 842: {
843: if (tty_term_has(tty->term, code))
1.430 nicm 844: tty_putcode_i(tty, code, n);
1.1 nicm 845: else {
846: while (n-- > 0)
847: tty_putcode(tty, code1);
848: }
849: }
850:
1.207 nicm 851: static void
1.133 nicm 852: tty_repeat_space(struct tty *tty, u_int n)
853: {
1.257 nicm 854: static char s[500];
855:
856: if (*s != ' ')
857: memset(s, ' ', sizeof s);
858:
859: while (n > sizeof s) {
860: tty_putn(tty, s, sizeof s, sizeof s);
861: n -= sizeof s;
862: }
863: if (n != 0)
864: tty_putn(tty, s, n, n);
1.304 nicm 865: }
866:
1.309 nicm 867: /* Is this window bigger than the terminal? */
868: int
869: tty_window_bigger(struct tty *tty)
870: {
871: struct client *c = tty->client;
872: struct window *w = c->session->curw->window;
873:
874: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
875: }
876:
877: /* What offset should this window be drawn at? */
878: int
879: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
880: {
881: *ox = tty->oox;
882: *oy = tty->ooy;
883: *sx = tty->osx;
884: *sy = tty->osy;
885:
886: return (tty->oflag);
887: }
888:
889: /* What offset should this window be drawn at? */
890: static int
891: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
892: {
893: struct client *c = tty->client;
894: struct window *w = c->session->curw->window;
1.376 nicm 895: struct window_pane *wp = server_client_get_pane(c);
1.309 nicm 896: u_int cx, cy, lines;
897:
898: lines = status_line_size(c);
899:
900: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
901: *ox = 0;
902: *oy = 0;
903: *sx = w->sx;
904: *sy = w->sy;
905:
906: c->pan_window = NULL;
907: return (0);
908: }
909:
910: *sx = tty->sx;
911: *sy = tty->sy - lines;
912:
913: if (c->pan_window == w) {
914: if (*sx >= w->sx)
915: c->pan_ox = 0;
916: else if (c->pan_ox + *sx > w->sx)
917: c->pan_ox = w->sx - *sx;
918: *ox = c->pan_ox;
919: if (*sy >= w->sy)
920: c->pan_oy = 0;
921: else if (c->pan_oy + *sy > w->sy)
922: c->pan_oy = w->sy - *sy;
923: *oy = c->pan_oy;
924: return (1);
925: }
926:
927: if (~wp->screen->mode & MODE_CURSOR) {
928: *ox = 0;
929: *oy = 0;
930: } else {
931: cx = wp->xoff + wp->screen->cx;
932: cy = wp->yoff + wp->screen->cy;
933:
934: if (cx < *sx)
935: *ox = 0;
936: else if (cx > w->sx - *sx)
937: *ox = w->sx - *sx;
938: else
939: *ox = cx - *sx / 2;
940:
941: if (cy < *sy)
942: *oy = 0;
943: else if (cy > w->sy - *sy)
944: *oy = w->sy - *sy;
945: else
946: *oy = cy - *sy / 2;
947: }
948:
949: c->pan_window = NULL;
950: return (1);
951: }
952:
953: /* Update stored offsets for a window and redraw if necessary. */
954: void
955: tty_update_window_offset(struct window *w)
956: {
957: struct client *c;
958:
959: TAILQ_FOREACH(c, &clients, entry) {
1.413 nicm 960: if (c->session != NULL &&
961: c->session->curw != NULL &&
962: c->session->curw->window == w)
1.309 nicm 963: tty_update_client_offset(c);
964: }
965: }
966:
967: /* Update stored offsets for a client and redraw if necessary. */
968: void
969: tty_update_client_offset(struct client *c)
1.304 nicm 970: {
1.309 nicm 971: u_int ox, oy, sx, sy;
1.314 nicm 972:
973: if (~c->flags & CLIENT_TERMINAL)
974: return;
1.304 nicm 975:
1.309 nicm 976: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
977: if (ox == c->tty.oox &&
978: oy == c->tty.ooy &&
979: sx == c->tty.osx &&
980: sy == c->tty.osy)
981: return;
982:
983: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
984: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
985: ox, oy, sx, sy);
986:
987: c->tty.oox = ox;
988: c->tty.ooy = oy;
989: c->tty.osx = sx;
990: c->tty.osy = sy;
991:
992: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 993: }
994:
1.1 nicm 995: /*
1.119 nicm 996: * Is the region large enough to be worth redrawing once later rather than
997: * probably several times now? Currently yes if it is more than 50% of the
998: * pane.
999: */
1.207 nicm 1000: static int
1.194 nicm 1001: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 1002: {
1.372 nicm 1003: return (ctx->orlower - ctx->orupper >= ctx->sy / 2);
1.119 nicm 1004: }
1005:
1006: /*
1.176 nicm 1007: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
1008: * emulated.
1009: */
1.207 nicm 1010: static int
1.373 nicm 1011: tty_fake_bce(const struct tty *tty, const struct grid_cell *gc, u_int bg)
1.176 nicm 1012: {
1.210 nicm 1013: if (tty_term_flag(tty->term, TTYC_BCE))
1014: return (0);
1.373 nicm 1015: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc->bg))
1.210 nicm 1016: return (1);
1017: return (0);
1.176 nicm 1018: }
1019:
1020: /*
1.1 nicm 1021: * Redraw scroll region using data from screen (already updated). Used when
1022: * CSR not supported, or window is a pane that doesn't take up the full
1023: * width of the terminal.
1024: */
1.207 nicm 1025: static void
1.24 nicm 1026: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1027: {
1.358 nicm 1028: struct client *c = tty->client;
1.204 nicm 1029: u_int i;
1.1 nicm 1030:
1031: /*
1.373 nicm 1032: * If region is large, schedule a redraw. In most cases this is likely
1033: * to be followed by some more scrolling.
1.1 nicm 1034: */
1.119 nicm 1035: if (tty_large_region(tty, ctx)) {
1.373 nicm 1036: log_debug("%s: %s large redraw", __func__, c->name);
1037: ctx->redraw_cb(ctx);
1.1 nicm 1038: return;
1039: }
1040:
1.393 nicm 1041: for (i = ctx->orupper; i <= ctx->orlower; i++)
1042: tty_draw_pane(tty, ctx, i);
1.1 nicm 1043: }
1044:
1.309 nicm 1045: /* Is this position visible in the pane? */
1046: static int
1.374 nicm 1047: tty_is_visible(__unused struct tty *tty, const struct tty_ctx *ctx, u_int px,
1048: u_int py, u_int nx, u_int ny)
1.309 nicm 1049: {
1.374 nicm 1050: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1051:
1052: if (!ctx->bigger)
1053: return (1);
1054:
1.372 nicm 1055: if (xoff + nx <= ctx->wox || xoff >= ctx->wox + ctx->wsx ||
1.374 nicm 1056: yoff + ny <= ctx->woy || yoff >= ctx->woy + ctx->wsy)
1.309 nicm 1057: return (0);
1058: return (1);
1059: }
1060:
1061: /* Clamp line position to visible part of pane. */
1062: static int
1063: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1064: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
1065: {
1.373 nicm 1066: u_int xoff = ctx->rxoff + px;
1.309 nicm 1067:
1068: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
1069: return (0);
1.372 nicm 1070: *ry = ctx->yoff + py - ctx->woy;
1.309 nicm 1071:
1.372 nicm 1072: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1073: /* All visible. */
1074: *i = 0;
1.372 nicm 1075: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1076: *rx = nx;
1.372 nicm 1077: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1078: /* Both left and right not visible. */
1.372 nicm 1079: *i = ctx->wox;
1.309 nicm 1080: *x = 0;
1.372 nicm 1081: *rx = ctx->wsx;
1082: } else if (xoff < ctx->wox) {
1.309 nicm 1083: /* Left not visible. */
1.372 nicm 1084: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1085: *x = 0;
1086: *rx = nx - *i;
1087: } else {
1088: /* Right not visible. */
1089: *i = 0;
1.372 nicm 1090: *x = (ctx->xoff + px) - ctx->wox;
1091: *rx = ctx->wsx - *x;
1.309 nicm 1092: }
1093: if (*rx > nx)
1094: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1095:
1096: return (1);
1097: }
1098:
1099: /* Clear a line. */
1.271 nicm 1100: static void
1.373 nicm 1101: tty_clear_line(struct tty *tty, const struct grid_cell *defaults, u_int py,
1102: u_int px, u_int nx, u_int bg)
1.271 nicm 1103: {
1.406 nicm 1104: struct client *c = tty->client;
1105: struct overlay_ranges r;
1106: u_int i;
1.309 nicm 1107:
1108: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1109:
1110: /* Nothing to clear. */
1111: if (nx == 0)
1112: return;
1113:
1114: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1115: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.271 nicm 1116: /* Off the end of the line, use EL if available. */
1117: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1118: tty_cursor(tty, px, py);
1119: tty_putcode(tty, TTYC_EL);
1120: return;
1121: }
1122:
1123: /* At the start of the line. Use EL1. */
1124: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1125: tty_cursor(tty, px + nx - 1, py);
1126: tty_putcode(tty, TTYC_EL1);
1127: return;
1128: }
1129:
1130: /* Section of line. Use ECH if possible. */
1131: if (tty_term_has(tty->term, TTYC_ECH)) {
1132: tty_cursor(tty, px, py);
1.430 nicm 1133: tty_putcode_i(tty, TTYC_ECH, nx);
1.271 nicm 1134: return;
1135: }
1136: }
1137:
1.394 nicm 1138: /*
1139: * Couldn't use an escape sequence, use spaces. Clear only the visible
1140: * bit if there is an overlay.
1141: */
1.406 nicm 1142: tty_check_overlay_range(tty, px, py, nx, &r);
1143: for (i = 0; i < OVERLAY_MAX_RANGES; i++) {
1144: if (r.nx[i] == 0)
1145: continue;
1146: tty_cursor(tty, r.px[i], py);
1147: tty_repeat_space(tty, r.nx[i]);
1.394 nicm 1148: }
1.271 nicm 1149: }
1150:
1.309 nicm 1151: /* Clear a line, adjusting to visible part of pane. */
1152: static void
1153: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1154: u_int px, u_int nx, u_int bg)
1155: {
1156: struct client *c = tty->client;
1157: u_int i, x, rx, ry;
1158:
1159: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1160:
1161: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1.373 nicm 1162: tty_clear_line(tty, &ctx->defaults, ry, x, rx, bg);
1.309 nicm 1163: }
1164:
1165: /* Clamp area position to visible part of pane. */
1166: static int
1167: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1168: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1169: u_int *ry)
1170: {
1.373 nicm 1171: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1172:
1173: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1174: return (0);
1175:
1.372 nicm 1176: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1177: /* All visible. */
1178: *i = 0;
1.372 nicm 1179: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1180: *rx = nx;
1.372 nicm 1181: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1182: /* Both left and right not visible. */
1.372 nicm 1183: *i = ctx->wox;
1.309 nicm 1184: *x = 0;
1.372 nicm 1185: *rx = ctx->wsx;
1186: } else if (xoff < ctx->wox) {
1.309 nicm 1187: /* Left not visible. */
1.372 nicm 1188: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1189: *x = 0;
1190: *rx = nx - *i;
1191: } else {
1192: /* Right not visible. */
1193: *i = 0;
1.372 nicm 1194: *x = (ctx->xoff + px) - ctx->wox;
1195: *rx = ctx->wsx - *x;
1.309 nicm 1196: }
1197: if (*rx > nx)
1198: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1199:
1.372 nicm 1200: if (yoff >= ctx->woy && yoff + ny <= ctx->woy + ctx->wsy) {
1.309 nicm 1201: /* All visible. */
1202: *j = 0;
1.372 nicm 1203: *y = ctx->yoff + py - ctx->woy;
1.309 nicm 1204: *ry = ny;
1.372 nicm 1205: } else if (yoff < ctx->woy && yoff + ny > ctx->woy + ctx->wsy) {
1.327 nicm 1206: /* Both top and bottom not visible. */
1.372 nicm 1207: *j = ctx->woy;
1.309 nicm 1208: *y = 0;
1.372 nicm 1209: *ry = ctx->wsy;
1210: } else if (yoff < ctx->woy) {
1.327 nicm 1211: /* Top not visible. */
1.372 nicm 1212: *j = ctx->woy - (ctx->yoff + py);
1.309 nicm 1213: *y = 0;
1214: *ry = ny - *j;
1215: } else {
1.327 nicm 1216: /* Bottom not visible. */
1.309 nicm 1217: *j = 0;
1.372 nicm 1218: *y = (ctx->yoff + py) - ctx->woy;
1219: *ry = ctx->wsy - *y;
1.309 nicm 1220: }
1221: if (*ry > ny)
1222: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1223:
1224: return (1);
1225: }
1226:
1227: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1228: static void
1.373 nicm 1229: tty_clear_area(struct tty *tty, const struct grid_cell *defaults, u_int py,
1230: u_int ny, u_int px, u_int nx, u_int bg)
1.271 nicm 1231: {
1.309 nicm 1232: struct client *c = tty->client;
1233: u_int yy;
1234: char tmp[64];
1.271 nicm 1235:
1.309 nicm 1236: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1237:
1238: /* Nothing to clear. */
1239: if (nx == 0 || ny == 0)
1240: return;
1241:
1242: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1243: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.276 nicm 1244: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1245: if (px == 0 &&
1246: px + nx >= tty->sx &&
1247: py + ny >= tty->sy &&
1248: tty_term_has(tty->term, TTYC_ED)) {
1249: tty_cursor(tty, 0, py);
1250: tty_putcode(tty, TTYC_ED);
1.274 nicm 1251: return;
1252: }
1253:
1254: /*
1.276 nicm 1255: * On VT420 compatible terminals we can use DECFRA if the
1256: * background colour isn't default (because it doesn't work
1257: * after SGR 0).
1.274 nicm 1258: */
1.359 nicm 1259: if ((tty->term->flags & TERM_DECFRA) && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1260: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1261: py + 1, px + 1, py + ny, px + nx);
1262: tty_puts(tty, tmp);
1.276 nicm 1263: return;
1264: }
1265:
1.280 nicm 1266: /* Full lines can be scrolled away to clear them. */
1267: if (px == 0 &&
1.281 nicm 1268: px + nx >= tty->sx &&
1.280 nicm 1269: ny > 2 &&
1270: tty_term_has(tty->term, TTYC_CSR) &&
1271: tty_term_has(tty->term, TTYC_INDN)) {
1272: tty_region(tty, py, py + ny - 1);
1273: tty_margin_off(tty);
1.430 nicm 1274: tty_putcode_i(tty, TTYC_INDN, ny);
1.280 nicm 1275: return;
1276: }
1277:
1.276 nicm 1278: /*
1279: * If margins are supported, can just scroll the area off to
1280: * clear it.
1281: */
1.277 nicm 1282: if (nx > 2 &&
1283: ny > 2 &&
1.280 nicm 1284: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1285: tty_use_margin(tty) &&
1286: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1287: tty_region(tty, py, py + ny - 1);
1288: tty_margin(tty, px, px + nx - 1);
1.430 nicm 1289: tty_putcode_i(tty, TTYC_INDN, ny);
1.271 nicm 1290: return;
1291: }
1292: }
1293:
1294: /* Couldn't use an escape sequence, loop over the lines. */
1295: for (yy = py; yy < py + ny; yy++)
1.373 nicm 1296: tty_clear_line(tty, defaults, yy, px, nx, bg);
1.271 nicm 1297: }
1298:
1.309 nicm 1299: /* Clear an area in a pane. */
1300: static void
1301: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1302: u_int ny, u_int px, u_int nx, u_int bg)
1303: {
1304: u_int i, j, x, y, rx, ry;
1305:
1306: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1.373 nicm 1307: tty_clear_area(tty, &ctx->defaults, y, ry, x, rx, bg);
1.309 nicm 1308: }
1309:
1310: static void
1311: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1312: {
1.373 nicm 1313: struct screen *s = ctx->s;
1314: u_int nx = ctx->sx, i, x, rx, ry;
1.309 nicm 1315:
1316: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1317:
1318: if (!ctx->bigger) {
1.373 nicm 1319: tty_draw_line(tty, s, 0, py, nx, ctx->xoff, ctx->yoff + py,
1320: &ctx->defaults, ctx->palette);
1.309 nicm 1321: return;
1322: }
1.373 nicm 1323: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry)) {
1324: tty_draw_line(tty, s, i, py, rx, x, ry, &ctx->defaults,
1325: ctx->palette);
1326: }
1.176 nicm 1327: }
1328:
1.298 nicm 1329: static const struct grid_cell *
1330: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1331: {
1332: static struct grid_cell new;
1.377 nicm 1333: int c;
1.298 nicm 1334:
1335: /* Characters less than 0x7f are always fine, no matter what. */
1336: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1337: return (gc);
1338:
1339: /* UTF-8 terminal and a UTF-8 character - fine. */
1.359 nicm 1340: if (tty->client->flags & CLIENT_UTF8)
1.298 nicm 1341: return (gc);
1.377 nicm 1342: memcpy(&new, gc, sizeof new);
1343:
1344: /* See if this can be mapped to an ACS character. */
1345: c = tty_acs_reverse_get(tty, gc->data.data, gc->data.size);
1346: if (c != -1) {
1347: utf8_set(&new.data, c);
1348: new.attr |= GRID_ATTR_CHARSET;
1349: return (&new);
1350: }
1.298 nicm 1351:
1352: /* Replace by the right number of underscores. */
1.377 nicm 1353: new.data.size = gc->data.width;
1354: if (new.data.size > UTF8_SIZE)
1355: new.data.size = UTF8_SIZE;
1356: memset(new.data.data, '_', new.data.size);
1.298 nicm 1357: return (&new);
1358: }
1359:
1.406 nicm 1360: /*
1361: * Check if a single character is obstructed by the overlay and return a
1362: * boolean.
1363: */
1.346 nicm 1364: static int
1365: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1366: {
1.406 nicm 1367: struct overlay_ranges r;
1368:
1369: /*
1370: * A unit width range will always return nx[2] == 0 from a check, even
1371: * with multiple overlays, so it's sufficient to check just the first
1372: * two entries.
1373: */
1374: tty_check_overlay_range(tty, px, py, 1, &r);
1375: if (r.nx[0] + r.nx[1] == 0)
1376: return (0);
1377: return (1);
1378: }
1379:
1380: /* Return parts of the input range which are visible. */
1381: static void
1382: tty_check_overlay_range(struct tty *tty, u_int px, u_int py, u_int nx,
1383: struct overlay_ranges *r)
1384: {
1.346 nicm 1385: struct client *c = tty->client;
1386:
1.406 nicm 1387: if (c->overlay_check == NULL) {
1388: r->px[0] = px;
1389: r->nx[0] = nx;
1390: r->px[1] = 0;
1391: r->nx[1] = 0;
1392: r->px[2] = 0;
1393: r->nx[2] = 0;
1394: return;
1395: }
1396:
1397: c->overlay_check(c, c->overlay_data, px, py, nx, r);
1.346 nicm 1398: }
1399:
1.176 nicm 1400: void
1.373 nicm 1401: tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
1.399 nicm 1402: u_int atx, u_int aty, const struct grid_cell *defaults,
1403: struct colour_palette *palette)
1.1 nicm 1404: {
1.297 nicm 1405: struct grid *gd = s->grid;
1.250 nicm 1406: struct grid_cell gc, last;
1.298 nicm 1407: const struct grid_cell *gcp;
1.309 nicm 1408: struct grid_line *gl;
1.394 nicm 1409: struct client *c = tty->client;
1.406 nicm 1410: struct overlay_ranges r;
1411: u_int i, j, ux, sx, width, hidden, eux, nxx;
1412: u_int cellsize;
1.396 nicm 1413: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1414: char buf[512];
1.315 nicm 1415: size_t len;
1.1 nicm 1416:
1.309 nicm 1417: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1418: px, py, nx, atx, aty);
1.399 nicm 1419: log_debug("%s: defaults: fg=%d, bg=%d", __func__, defaults->fg,
1420: defaults->bg);
1.309 nicm 1421:
1422: /*
1423: * py is the line in the screen to draw.
1424: * px is the start x and nx is the width to draw.
1425: * atx,aty is the line on the terminal to draw it.
1426: */
1427:
1.259 nicm 1428: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1429: tty->flags |= TTY_NOCURSOR;
1430: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1431:
1.214 nicm 1432: tty_region_off(tty);
1433: tty_margin_off(tty);
1434:
1.273 nicm 1435: /*
1436: * Clamp the width to cellsize - note this is not cellused, because
1437: * there may be empty background cells after it (from BCE).
1438: */
1.1 nicm 1439: sx = screen_size_x(s);
1.309 nicm 1440: if (nx > sx)
1441: nx = sx;
1.303 nicm 1442: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1443: if (sx > cellsize)
1444: sx = cellsize;
1.1 nicm 1445: if (sx > tty->sx)
1446: sx = tty->sx;
1.309 nicm 1447: if (sx > nx)
1448: sx = nx;
1.292 nicm 1449: ux = 0;
1.1 nicm 1450:
1.309 nicm 1451: if (py == 0)
1452: gl = NULL;
1453: else
1454: gl = grid_get_line(gd, gd->hsize + py - 1);
1.373 nicm 1455: if (gl == NULL ||
1.309 nicm 1456: (~gl->flags & GRID_LINE_WRAPPED) ||
1457: atx != 0 ||
1.268 nicm 1458: tty->cx < tty->sx ||
1.309 nicm 1459: nx < tty->sx) {
1460: if (nx < tty->sx &&
1461: atx == 0 &&
1462: px + sx != nx &&
1.268 nicm 1463: tty_term_has(tty->term, TTYC_EL1) &&
1.394 nicm 1464: !tty_fake_bce(tty, defaults, 8) &&
1465: c->overlay_check == NULL) {
1.421 nicm 1466: tty_default_attributes(tty, defaults, palette, 8,
1467: s->hyperlinks);
1.309 nicm 1468: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1469: tty_putcode(tty, TTYC_EL1);
1470: cleared = 1;
1471: }
1.329 nicm 1472: } else {
1.309 nicm 1473: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1474: wrapped = 1;
1475: }
1.250 nicm 1476:
1477: memcpy(&last, &grid_default_cell, sizeof last);
1478: len = 0;
1479: width = 0;
1.46 nicm 1480:
1.1 nicm 1481: for (i = 0; i < sx; i++) {
1.309 nicm 1482: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1483: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1484: if (len != 0 &&
1.346 nicm 1485: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1486: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1487: gcp->flags != last.flags ||
1488: gcp->attr != last.attr ||
1489: gcp->fg != last.fg ||
1490: gcp->bg != last.bg ||
1.328 nicm 1491: gcp->us != last.us ||
1.421 nicm 1492: gcp->link != last.link ||
1.315 nicm 1493: ux + width + gcp->data.width > nx ||
1.298 nicm 1494: (sizeof buf) - len < gcp->data.size)) {
1.421 nicm 1495: tty_attributes(tty, &last, defaults, palette,
1496: s->hyperlinks);
1.315 nicm 1497: if (last.flags & GRID_FLAG_CLEARED) {
1498: log_debug("%s: %zu cleared", __func__, len);
1.373 nicm 1499: tty_clear_line(tty, defaults, aty, atx + ux,
1500: width, last.bg);
1.315 nicm 1501: } else {
1.329 nicm 1502: if (!wrapped || atx != 0 || ux != 0)
1503: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1504: tty_putn(tty, buf, len, width);
1505: }
1.292 nicm 1506: ux += width;
1.250 nicm 1507:
1508: len = 0;
1509: width = 0;
1.329 nicm 1510: wrapped = 0;
1.250 nicm 1511: }
1512:
1.298 nicm 1513: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1514: screen_select_cell(s, &last, gcp);
1.250 nicm 1515: else
1.299 nicm 1516: memcpy(&last, gcp, sizeof last);
1.395 nicm 1517:
1.406 nicm 1518: tty_check_overlay_range(tty, atx + ux, aty, gcp->data.width,
1519: &r);
1.395 nicm 1520: hidden = 0;
1.406 nicm 1521: for (j = 0; j < OVERLAY_MAX_RANGES; j++)
1522: hidden += r.nx[j];
1523: hidden = gcp->data.width - hidden;
1.396 nicm 1524: if (hidden != 0 && hidden == gcp->data.width) {
1525: if (~gcp->flags & GRID_FLAG_PADDING)
1526: ux += gcp->data.width;
1527: } else if (hidden != 0 || ux + gcp->data.width > nx) {
1.395 nicm 1528: if (~gcp->flags & GRID_FLAG_PADDING) {
1.421 nicm 1529: tty_attributes(tty, &last, defaults, palette,
1530: s->hyperlinks);
1.406 nicm 1531: for (j = 0; j < OVERLAY_MAX_RANGES; j++) {
1532: if (r.nx[j] == 0)
1533: continue;
1534: /* Effective width drawn so far. */
1535: eux = r.px[j] - atx;
1536: if (eux < nx) {
1537: tty_cursor(tty, r.px[j], aty);
1538: nxx = nx - eux;
1539: if (r.nx[j] > nxx)
1540: r.nx[j] = nxx;
1541: tty_repeat_space(tty, r.nx[j]);
1542: ux = eux + r.nx[j];
1.397 nicm 1543: }
1.395 nicm 1544: }
1.297 nicm 1545: }
1.299 nicm 1546: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1.421 nicm 1547: tty_attributes(tty, &last, defaults, palette,
1548: s->hyperlinks);
1.315 nicm 1549: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1550: for (j = 0; j < gcp->data.size; j++)
1551: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1552: ux += gcp->data.width;
1.381 nicm 1553: } else if (~gcp->flags & GRID_FLAG_PADDING) {
1.298 nicm 1554: memcpy(buf + len, gcp->data.data, gcp->data.size);
1555: len += gcp->data.size;
1556: width += gcp->data.width;
1.250 nicm 1557: }
1558: }
1.315 nicm 1559: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.421 nicm 1560: tty_attributes(tty, &last, defaults, palette, s->hyperlinks);
1.315 nicm 1561: if (last.flags & GRID_FLAG_CLEARED) {
1562: log_debug("%s: %zu cleared (end)", __func__, len);
1.373 nicm 1563: tty_clear_line(tty, defaults, aty, atx + ux, width,
1564: last.bg);
1.315 nicm 1565: } else {
1.329 nicm 1566: if (!wrapped || atx != 0 || ux != 0)
1567: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1568: tty_putn(tty, buf, len, width);
1569: }
1.315 nicm 1570: ux += width;
1.1 nicm 1571: }
1572:
1.309 nicm 1573: if (!cleared && ux < nx) {
1.315 nicm 1574: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1575: nx - ux, len);
1.421 nicm 1576: tty_default_attributes(tty, defaults, palette, 8,
1577: s->hyperlinks);
1.373 nicm 1578: tty_clear_line(tty, defaults, aty, atx + ux, nx - ux, 8);
1.35 nicm 1579: }
1.1 nicm 1580:
1.181 nicm 1581: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1582: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1583: }
1584:
1.348 nicm 1585: void
1586: tty_sync_start(struct tty *tty)
1587: {
1.361 nicm 1588: if (tty->flags & TTY_BLOCK)
1589: return;
1590: if (tty->flags & TTY_SYNCING)
1591: return;
1592: tty->flags |= TTY_SYNCING;
1593:
1594: if (tty_term_has(tty->term, TTYC_SYNC)) {
1595: log_debug("%s sync start", tty->client->name);
1.430 nicm 1596: tty_putcode_i(tty, TTYC_SYNC, 1);
1.357 nicm 1597: }
1.348 nicm 1598: }
1599:
1600: void
1601: tty_sync_end(struct tty *tty)
1602: {
1.361 nicm 1603: if (tty->flags & TTY_BLOCK)
1604: return;
1605: if (~tty->flags & TTY_SYNCING)
1606: return;
1607: tty->flags &= ~TTY_SYNCING;
1608:
1609: if (tty_term_has(tty->term, TTYC_SYNC)) {
1610: log_debug("%s sync end", tty->client->name);
1.430 nicm 1611: tty_putcode_i(tty, TTYC_SYNC, 2);
1.357 nicm 1612: }
1.348 nicm 1613: }
1614:
1.201 nicm 1615: static int
1.428 nicm 1616: tty_client_ready(const struct tty_ctx *ctx, struct client *c)
1.182 nicm 1617: {
1618: if (c->session == NULL || c->tty.term == NULL)
1619: return (0);
1.428 nicm 1620: if (c->flags & CLIENT_SUSPENDED)
1621: return (0);
1622:
1623: /*
1624: * If invisible panes are allowed (used for passthrough), don't care if
1625: * redrawing or frozen.
1626: */
1627: if (ctx->allow_invisible_panes)
1628: return (1);
1629:
1630: if (c->flags & CLIENT_REDRAWWINDOW)
1.182 nicm 1631: return (0);
1632: if (c->tty.flags & TTY_FREEZE)
1633: return (0);
1634: return (1);
1635: }
1636:
1.15 nicm 1637: void
1.182 nicm 1638: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1639: struct tty_ctx *ctx)
1.15 nicm 1640: {
1.373 nicm 1641: struct client *c;
1642: int state;
1.15 nicm 1643:
1.373 nicm 1644: if (ctx->set_client_cb == NULL)
1.15 nicm 1645: return;
1.178 nicm 1646: TAILQ_FOREACH(c, &clients, entry) {
1.428 nicm 1647: if (tty_client_ready(ctx, c)) {
1.423 nicm 1648: state = ctx->set_client_cb(ctx, c);
1649: if (state == -1)
1650: break;
1651: if (state == 0)
1652: continue;
1.428 nicm 1653: cmdfn(&c->tty, ctx);
1.423 nicm 1654: }
1.1 nicm 1655: }
1656: }
1657:
1658: void
1.24 nicm 1659: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1660: {
1.394 nicm 1661: struct client *c = tty->client;
1662:
1.309 nicm 1663: if (ctx->bigger ||
1.372 nicm 1664: !tty_full_width(tty, ctx) ||
1.373 nicm 1665: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.210 nicm 1666: (!tty_term_has(tty->term, TTYC_ICH) &&
1.394 nicm 1667: !tty_term_has(tty->term, TTYC_ICH1)) ||
1668: c->overlay_check != NULL) {
1.309 nicm 1669: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1670: return;
1671: }
1672:
1.421 nicm 1673: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1674: ctx->s->hyperlinks);
1.1 nicm 1675:
1.77 nicm 1676: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1677:
1.206 nicm 1678: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1679: }
1680:
1681: void
1.24 nicm 1682: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1683: {
1.394 nicm 1684: struct client *c = tty->client;
1685:
1.309 nicm 1686: if (ctx->bigger ||
1.372 nicm 1687: !tty_full_width(tty, ctx) ||
1.373 nicm 1688: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.26 nicm 1689: (!tty_term_has(tty->term, TTYC_DCH) &&
1.394 nicm 1690: !tty_term_has(tty->term, TTYC_DCH1)) ||
1691: c->overlay_check != NULL) {
1.309 nicm 1692: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1693: return;
1694: }
1695:
1.421 nicm 1696: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1697: ctx->s->hyperlinks);
1.1 nicm 1698:
1.77 nicm 1699: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1700:
1.206 nicm 1701: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1702: }
1703:
1704: void
1705: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1706: {
1.421 nicm 1707: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1708: ctx->s->hyperlinks);
1.146 nicm 1709:
1.388 nicm 1710: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, ctx->num, ctx->bg);
1.1 nicm 1711: }
1712:
1713: void
1.24 nicm 1714: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1715: {
1.394 nicm 1716: struct client *c = tty->client;
1717:
1.309 nicm 1718: if (ctx->bigger ||
1.372 nicm 1719: !tty_full_width(tty, ctx) ||
1.373 nicm 1720: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.77 nicm 1721: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1722: !tty_term_has(tty->term, TTYC_IL1) ||
1.373 nicm 1723: ctx->sx == 1 ||
1.394 nicm 1724: ctx->sy == 1 ||
1725: c->overlay_check != NULL) {
1.14 nicm 1726: tty_redraw_region(tty, ctx);
1.1 nicm 1727: return;
1728: }
1729:
1.421 nicm 1730: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1731: ctx->s->hyperlinks);
1.1 nicm 1732:
1.77 nicm 1733: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1734: tty_margin_off(tty);
1.77 nicm 1735: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1736:
1.12 nicm 1737: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1738: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1739: }
1740:
1741: void
1.24 nicm 1742: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1743: {
1.394 nicm 1744: struct client *c = tty->client;
1745:
1.309 nicm 1746: if (ctx->bigger ||
1.372 nicm 1747: !tty_full_width(tty, ctx) ||
1.373 nicm 1748: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.72 nicm 1749: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1750: !tty_term_has(tty->term, TTYC_DL1) ||
1.373 nicm 1751: ctx->sx == 1 ||
1.394 nicm 1752: ctx->sy == 1 ||
1753: c->overlay_check != NULL) {
1.14 nicm 1754: tty_redraw_region(tty, ctx);
1.1 nicm 1755: return;
1756: }
1757:
1.421 nicm 1758: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1759: ctx->s->hyperlinks);
1.1 nicm 1760:
1.77 nicm 1761: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1762: tty_margin_off(tty);
1.77 nicm 1763: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1764:
1.12 nicm 1765: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1766: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1767: }
1768:
1769: void
1.24 nicm 1770: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1771: {
1.421 nicm 1772: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1773: ctx->s->hyperlinks);
1.1 nicm 1774:
1.372 nicm 1775: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->sx, ctx->bg);
1.1 nicm 1776: }
1777:
1778: void
1.24 nicm 1779: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1780: {
1.373 nicm 1781: u_int nx = ctx->sx - ctx->ocx;
1.1 nicm 1782:
1.421 nicm 1783: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1784: ctx->s->hyperlinks);
1.1 nicm 1785:
1.309 nicm 1786: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1787: }
1788:
1789: void
1.24 nicm 1790: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1791: {
1.421 nicm 1792: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1793: ctx->s->hyperlinks);
1.1 nicm 1794:
1.309 nicm 1795: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1796: }
1797:
1798: void
1.24 nicm 1799: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1800: {
1.394 nicm 1801: struct client *c = tty->client;
1802:
1.56 nicm 1803: if (ctx->ocy != ctx->orupper)
1804: return;
1805:
1.309 nicm 1806: if (ctx->bigger ||
1.372 nicm 1807: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1808: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.70 nicm 1809: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1810: (!tty_term_has(tty->term, TTYC_RI) &&
1811: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1812: ctx->sx == 1 ||
1.394 nicm 1813: ctx->sy == 1 ||
1814: c->overlay_check != NULL) {
1.14 nicm 1815: tty_redraw_region(tty, ctx);
1.1 nicm 1816: return;
1817: }
1818:
1.421 nicm 1819: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1820: ctx->s->hyperlinks);
1.77 nicm 1821:
1.56 nicm 1822: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1823: tty_margin_pane(tty, ctx);
1.56 nicm 1824: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1825:
1.331 nicm 1826: if (tty_term_has(tty->term, TTYC_RI))
1827: tty_putcode(tty, TTYC_RI);
1828: else
1.430 nicm 1829: tty_putcode_i(tty, TTYC_RIN, 1);
1.1 nicm 1830: }
1831:
1832: void
1.24 nicm 1833: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1834: {
1.394 nicm 1835: struct client *c = tty->client;
1836:
1.56 nicm 1837: if (ctx->ocy != ctx->orlower)
1838: return;
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) {
1.236 nicm 1847: tty_redraw_region(tty, ctx);
1.1 nicm 1848: return;
1849: }
1.52 nicm 1850:
1.421 nicm 1851: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1852: ctx->s->hyperlinks);
1.77 nicm 1853:
1.56 nicm 1854: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1855: tty_margin_pane(tty, ctx);
1856:
1857: /*
1.301 nicm 1858: * If we want to wrap a pane while using margins, the cursor needs to
1859: * be exactly on the right of the region. If the cursor is entirely off
1860: * the edge - move it back to the right. Some terminals are funny about
1861: * this and insert extra spaces, so only use the right if margins are
1862: * enabled.
1.212 nicm 1863: */
1.301 nicm 1864: if (ctx->xoff + ctx->ocx > tty->rright) {
1865: if (!tty_use_margin(tty))
1866: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1867: else
1868: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1869: } else
1.212 nicm 1870: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1871:
1.56 nicm 1872: tty_putc(tty, '\n');
1.240 nicm 1873: }
1874:
1875: void
1876: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1877: {
1.394 nicm 1878: struct client *c = tty->client;
1879: u_int i;
1.240 nicm 1880:
1.309 nicm 1881: if (ctx->bigger ||
1.372 nicm 1882: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1883: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1884: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1885: ctx->sx == 1 ||
1.394 nicm 1886: ctx->sy == 1 ||
1887: c->overlay_check != NULL) {
1.240 nicm 1888: tty_redraw_region(tty, ctx);
1889: return;
1890: }
1891:
1.421 nicm 1892: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1893: ctx->s->hyperlinks);
1.240 nicm 1894:
1895: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1896: tty_margin_pane(tty, ctx);
1897:
1.284 nicm 1898: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1899: if (!tty_use_margin(tty))
1900: tty_cursor(tty, 0, tty->rlower);
1901: else
1902: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1903: for (i = 0; i < ctx->num; i++)
1.240 nicm 1904: tty_putc(tty, '\n');
1.301 nicm 1905: } else {
1.353 nicm 1906: if (tty->cy == UINT_MAX)
1907: tty_cursor(tty, 0, 0);
1908: else
1909: tty_cursor(tty, 0, tty->cy);
1.430 nicm 1910: tty_putcode_i(tty, TTYC_INDN, ctx->num);
1.331 nicm 1911: }
1912: }
1913:
1914: void
1915: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1916: {
1.394 nicm 1917: u_int i;
1918: struct client *c = tty->client;
1.331 nicm 1919:
1920: if (ctx->bigger ||
1.372 nicm 1921: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1922: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.331 nicm 1923: !tty_term_has(tty->term, TTYC_CSR) ||
1924: (!tty_term_has(tty->term, TTYC_RI) &&
1925: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1926: ctx->sx == 1 ||
1.394 nicm 1927: ctx->sy == 1 ||
1928: c->overlay_check != NULL) {
1.331 nicm 1929: tty_redraw_region(tty, ctx);
1930: return;
1931: }
1932:
1.421 nicm 1933: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1934: ctx->s->hyperlinks);
1.331 nicm 1935:
1936: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1937: tty_margin_pane(tty, ctx);
1938: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1939:
1940: if (tty_term_has(tty->term, TTYC_RIN))
1.430 nicm 1941: tty_putcode_i(tty, TTYC_RIN, ctx->num);
1.331 nicm 1942: else {
1943: for (i = 0; i < ctx->num; i++)
1944: tty_putcode(tty, TTYC_RI);
1.301 nicm 1945: }
1.1 nicm 1946: }
1947:
1948: void
1.24 nicm 1949: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1950: {
1.373 nicm 1951: u_int px, py, nx, ny;
1.1 nicm 1952:
1.421 nicm 1953: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1954: ctx->s->hyperlinks);
1.1 nicm 1955:
1.372 nicm 1956: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1957: tty_margin_off(tty);
1.39 nicm 1958:
1.309 nicm 1959: px = 0;
1.372 nicm 1960: nx = ctx->sx;
1.309 nicm 1961: py = ctx->ocy + 1;
1.372 nicm 1962: ny = ctx->sy - ctx->ocy - 1;
1.271 nicm 1963:
1.309 nicm 1964: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1965:
1.309 nicm 1966: px = ctx->ocx;
1.372 nicm 1967: nx = ctx->sx - ctx->ocx;
1.309 nicm 1968: py = ctx->ocy;
1.271 nicm 1969:
1.309 nicm 1970: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1971: }
1972:
1973: void
1.24 nicm 1974: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1975: {
1.373 nicm 1976: u_int px, py, nx, ny;
1.1 nicm 1977:
1.421 nicm 1978: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1979: ctx->s->hyperlinks);
1.1 nicm 1980:
1.372 nicm 1981: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1982: tty_margin_off(tty);
1.39 nicm 1983:
1.309 nicm 1984: px = 0;
1.372 nicm 1985: nx = ctx->sx;
1.309 nicm 1986: py = 0;
1.319 nicm 1987: ny = ctx->ocy;
1.271 nicm 1988:
1.309 nicm 1989: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1990:
1.309 nicm 1991: px = 0;
1.271 nicm 1992: nx = ctx->ocx + 1;
1.309 nicm 1993: py = ctx->ocy;
1.271 nicm 1994:
1.309 nicm 1995: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1996: }
1997:
1998: void
1.24 nicm 1999: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 2000: {
1.373 nicm 2001: u_int px, py, nx, ny;
1.1 nicm 2002:
1.421 nicm 2003: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
2004: ctx->s->hyperlinks);
1.1 nicm 2005:
1.372 nicm 2006: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 2007: tty_margin_off(tty);
1.39 nicm 2008:
1.309 nicm 2009: px = 0;
1.372 nicm 2010: nx = ctx->sx;
1.309 nicm 2011: py = 0;
1.372 nicm 2012: ny = ctx->sy;
1.271 nicm 2013:
1.309 nicm 2014: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 2015: }
2016:
2017: void
1.24 nicm 2018: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 2019: {
1.373 nicm 2020: u_int i, j;
1.4 nicm 2021:
1.309 nicm 2022: if (ctx->bigger) {
1.373 nicm 2023: ctx->redraw_cb(ctx);
1.309 nicm 2024: return;
2025: }
2026:
1.421 nicm 2027: tty_attributes(tty, &grid_default_cell, &ctx->defaults, ctx->palette,
2028: ctx->s->hyperlinks);
1.4 nicm 2029:
1.372 nicm 2030: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 2031: tty_margin_off(tty);
1.4 nicm 2032:
1.372 nicm 2033: for (j = 0; j < ctx->sy; j++) {
1.41 nicm 2034: tty_cursor_pane(tty, ctx, 0, j);
1.372 nicm 2035: for (i = 0; i < ctx->sx; i++)
1.4 nicm 2036: tty_putc(tty, 'E');
1.1 nicm 2037: }
2038: }
2039:
2040: void
1.24 nicm 2041: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 2042: {
1.394 nicm 2043: const struct grid_cell *gcp = ctx->cell;
2044: struct screen *s = ctx->s;
1.406 nicm 2045: struct overlay_ranges r;
2046: u_int px, py, i, vis = 0;
1.394 nicm 2047:
2048: px = ctx->xoff + ctx->ocx - ctx->wox;
2049: py = ctx->yoff + ctx->ocy - ctx->woy;
2050: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1) ||
2051: (gcp->data.width == 1 && !tty_check_overlay(tty, px, py)))
2052: return;
2053:
2054: /* Handle partially obstructed wide characters. */
2055: if (gcp->data.width > 1) {
1.406 nicm 2056: tty_check_overlay_range(tty, px, py, gcp->data.width, &r);
2057: for (i = 0; i < OVERLAY_MAX_RANGES; i++)
2058: vis += r.nx[i];
2059: if (vis < gcp->data.width) {
1.408 nicm 2060: tty_draw_line(tty, s, s->cx, s->cy, gcp->data.width,
2061: px, py, &ctx->defaults, ctx->palette);
2062: return;
1.394 nicm 2063: }
2064: }
1.309 nicm 2065:
1.372 nicm 2066: if (ctx->xoff + ctx->ocx - ctx->wox > tty->sx - 1 &&
1.306 nicm 2067: ctx->ocy == ctx->orlower &&
1.372 nicm 2068: tty_full_width(tty, ctx))
1.306 nicm 2069: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 2070:
1.306 nicm 2071: tty_margin_off(tty);
1.253 nicm 2072: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 2073:
1.421 nicm 2074: tty_cell(tty, ctx->cell, &ctx->defaults, ctx->palette,
2075: ctx->s->hyperlinks);
1.239 nicm 2076: }
2077:
2078: void
2079: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
2080: {
1.407 nicm 2081: struct overlay_ranges r;
2082: u_int i, px, py, cx;
2083: char *cp = ctx->ptr;
1.394 nicm 2084:
1.309 nicm 2085: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
2086: return;
2087:
2088: if (ctx->bigger &&
1.372 nicm 2089: (ctx->xoff + ctx->ocx < ctx->wox ||
2090: ctx->xoff + ctx->ocx + ctx->num > ctx->wox + ctx->wsx)) {
1.309 nicm 2091: if (!ctx->wrapped ||
1.372 nicm 2092: !tty_full_width(tty, ctx) ||
1.382 nicm 2093: (tty->term->flags & TERM_NOAM) ||
1.309 nicm 2094: ctx->xoff + ctx->ocx != 0 ||
2095: ctx->yoff + ctx->ocy != tty->cy + 1 ||
2096: tty->cx < tty->sx ||
2097: tty->cy == tty->rlower)
2098: tty_draw_pane(tty, ctx, ctx->ocy);
2099: else
1.373 nicm 2100: ctx->redraw_cb(ctx);
1.309 nicm 2101: return;
2102: }
2103:
1.306 nicm 2104: tty_margin_off(tty);
1.253 nicm 2105: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.421 nicm 2106: tty_attributes(tty, ctx->cell, &ctx->defaults, ctx->palette, ctx->s->hyperlinks);
1.239 nicm 2107:
1.407 nicm 2108: /* Get tty position from pane position for overlay check. */
2109: px = ctx->xoff + ctx->ocx - ctx->wox;
2110: py = ctx->yoff + ctx->ocy - ctx->woy;
2111:
2112: tty_check_overlay_range(tty, px, py, ctx->num, &r);
1.406 nicm 2113: for (i = 0; i < OVERLAY_MAX_RANGES; i++) {
2114: if (r.nx[i] == 0)
2115: continue;
1.407 nicm 2116: /* Convert back to pane position for printing. */
2117: cx = r.px[i] - ctx->xoff + ctx->wox;
2118: tty_cursor_pane_unless_wrap(tty, ctx, cx, ctx->ocy);
2119: tty_putn(tty, cp + r.px[i] - px, r.nx[i], r.nx[i]);
1.394 nicm 2120: }
1.106 nicm 2121: }
2122:
2123: void
2124: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
2125: {
1.420 nicm 2126: tty_set_selection(tty, ctx->ptr2, ctx->ptr, ctx->num);
1.383 nicm 2127: }
2128:
2129: void
1.420 nicm 2130: tty_set_selection(struct tty *tty, const char *flags, const char *buf,
2131: size_t len)
1.383 nicm 2132: {
2133: char *encoded;
2134: size_t size;
1.106 nicm 2135:
1.384 nicm 2136: if (~tty->flags & TTY_STARTED)
2137: return;
1.106 nicm 2138: if (!tty_term_has(tty->term, TTYC_MS))
1.383 nicm 2139: return;
1.106 nicm 2140:
1.383 nicm 2141: size = 4 * ((len + 2) / 3) + 1; /* storage for base64 */
2142: encoded = xmalloc(size);
1.106 nicm 2143:
1.383 nicm 2144: b64_ntop(buf, len, encoded, size);
1.414 nicm 2145: tty->flags |= TTY_NOBLOCK;
1.430 nicm 2146: tty_putcode_ss(tty, TTYC_MS, flags, encoded);
1.106 nicm 2147:
1.383 nicm 2148: free(encoded);
1.100 nicm 2149: }
2150:
2151: void
2152: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
2153: {
1.414 nicm 2154: tty->flags |= TTY_NOBLOCK;
1.256 nicm 2155: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 2156: tty_invalidate(tty);
1.348 nicm 2157: }
2158:
2159: void
1.402 nicm 2160: tty_cmd_syncstart(struct tty *tty, const struct tty_ctx *ctx)
1.348 nicm 2161: {
1.402 nicm 2162: if (ctx->num == 0x11) {
2163: /*
1.403 nicm 2164: * This is an overlay and a command that moves the cursor so
1.402 nicm 2165: * start synchronized updates.
2166: */
2167: tty_sync_start(tty);
2168: } else if (~ctx->num & 0x10) {
2169: /*
2170: * This is a pane. If there is an overlay, always start;
2171: * otherwise, only if requested.
2172: */
2173: if (ctx->num || tty->client->overlay_draw != NULL)
2174: tty_sync_start(tty);
2175: }
1.1 nicm 2176: }
2177:
1.377 nicm 2178: void
1.373 nicm 2179: tty_cell(struct tty *tty, const struct grid_cell *gc,
1.421 nicm 2180: const struct grid_cell *defaults, struct colour_palette *palette,
2181: struct hyperlinks *hl)
1.1 nicm 2182: {
1.298 nicm 2183: const struct grid_cell *gcp;
1.1 nicm 2184:
2185: /* Skip last character if terminal is stupid. */
1.382 nicm 2186: if ((tty->term->flags & TERM_NOAM) &&
1.211 nicm 2187: tty->cy == tty->sy - 1 &&
2188: tty->cx == tty->sx - 1)
1.1 nicm 2189: return;
2190:
2191: /* If this is a padding character, do nothing. */
2192: if (gc->flags & GRID_FLAG_PADDING)
2193: return;
2194:
1.377 nicm 2195: /* Check the output codeset and apply attributes. */
2196: gcp = tty_check_codeset(tty, gc);
1.421 nicm 2197: tty_attributes(tty, gcp, defaults, palette, hl);
1.1 nicm 2198:
1.377 nicm 2199: /* If it is a single character, write with putc to handle ACS. */
1.298 nicm 2200: if (gcp->data.size == 1) {
1.421 nicm 2201: tty_attributes(tty, gcp, defaults, palette, hl);
1.298 nicm 2202: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 2203: return;
1.298 nicm 2204: tty_putc(tty, *gcp->data.data);
1.1 nicm 2205: return;
2206: }
2207:
1.147 nicm 2208: /* Write the data. */
1.298 nicm 2209: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 2210: }
2211:
2212: void
2213: tty_reset(struct tty *tty)
2214: {
2215: struct grid_cell *gc = &tty->cell;
2216:
1.228 nicm 2217: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.421 nicm 2218: if (gc->link != 0)
1.430 nicm 2219: tty_putcode_ss(tty, TTYC_HLS, "", "");
1.285 nicm 2220: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 2221: tty_putcode(tty, TTYC_RMACS);
2222: tty_putcode(tty, TTYC_SGR0);
2223: memcpy(gc, &grid_default_cell, sizeof *gc);
2224: }
2225: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1.242 nicm 2226: }
2227:
2228: static void
2229: tty_invalidate(struct tty *tty)
2230: {
2231: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
2232: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
2233:
2234: tty->cx = tty->cy = UINT_MAX;
2235: tty->rupper = tty->rleft = UINT_MAX;
2236: tty->rlower = tty->rright = UINT_MAX;
2237:
2238: if (tty->flags & TTY_STARTED) {
1.330 nicm 2239: if (tty_use_margin(tty))
1.365 nicm 2240: tty_putcode(tty, TTYC_ENMG);
1.242 nicm 2241: tty_putcode(tty, TTYC_SGR0);
2242:
2243: tty->mode = ALL_MODES;
2244: tty_update_mode(tty, MODE_CURSOR, NULL);
2245:
2246: tty_cursor(tty, 0, 0);
2247: tty_region_off(tty);
2248: tty_margin_off(tty);
2249: } else
2250: tty->mode = MODE_CURSOR;
1.1 nicm 2251: }
2252:
1.214 nicm 2253: /* Turn off margin. */
2254: void
2255: tty_region_off(struct tty *tty)
2256: {
2257: tty_region(tty, 0, tty->sy - 1);
2258: }
2259:
1.40 nicm 2260: /* Set region inside pane. */
1.208 nicm 2261: static void
1.196 nicm 2262: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
2263: u_int rlower)
1.1 nicm 2264: {
1.372 nicm 2265: tty_region(tty, ctx->yoff + rupper - ctx->woy,
2266: ctx->yoff + rlower - ctx->woy);
1.39 nicm 2267: }
2268:
1.40 nicm 2269: /* Set region at absolute position. */
1.214 nicm 2270: static void
1.40 nicm 2271: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2272: {
2273: if (tty->rlower == rlower && tty->rupper == rupper)
2274: return;
1.1 nicm 2275: if (!tty_term_has(tty->term, TTYC_CSR))
2276: return;
1.39 nicm 2277:
2278: tty->rupper = rupper;
2279: tty->rlower = rlower;
1.55 nicm 2280:
2281: /*
2282: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2283: * 0,0 if it is beyond the last column (they do not reset their wrap
2284: * flag so further output causes a line feed). As a workaround, do an
2285: * explicit move to 0 first.
2286: */
1.353 nicm 2287: if (tty->cx >= tty->sx) {
2288: if (tty->cy == UINT_MAX)
2289: tty_cursor(tty, 0, 0);
2290: else
2291: tty_cursor(tty, 0, tty->cy);
2292: }
1.42 nicm 2293:
1.430 nicm 2294: tty_putcode_ii(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2295: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2296: }
2297:
1.214 nicm 2298: /* Turn off margin. */
2299: void
2300: tty_margin_off(struct tty *tty)
2301: {
2302: tty_margin(tty, 0, tty->sx - 1);
2303: }
2304:
1.212 nicm 2305: /* Set margin inside pane. */
2306: static void
2307: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2308: {
1.372 nicm 2309: tty_margin(tty, ctx->xoff - ctx->wox,
1.373 nicm 2310: ctx->xoff + ctx->sx - 1 - ctx->wox);
1.212 nicm 2311: }
2312:
2313: /* Set margin at absolute position. */
1.214 nicm 2314: static void
1.212 nicm 2315: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2316: {
2317: if (!tty_use_margin(tty))
2318: return;
2319: if (tty->rleft == rleft && tty->rright == rright)
2320: return;
2321:
1.430 nicm 2322: tty_putcode_ii(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2323:
1.212 nicm 2324: tty->rleft = rleft;
2325: tty->rright = rright;
2326:
1.232 nicm 2327: if (rleft == 0 && rright == tty->sx - 1)
1.365 nicm 2328: tty_putcode(tty, TTYC_CLMG);
1.232 nicm 2329: else
1.430 nicm 2330: tty_putcode_ii(tty, TTYC_CMG, rleft, rright);
1.249 nicm 2331: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2332: }
2333:
2334: /*
2335: * Move the cursor, unless it would wrap itself when the next character is
2336: * printed.
2337: */
2338: static void
2339: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2340: u_int cx, u_int cy)
2341: {
1.268 nicm 2342: if (!ctx->wrapped ||
1.372 nicm 2343: !tty_full_width(tty, ctx) ||
1.382 nicm 2344: (tty->term->flags & TERM_NOAM) ||
1.253 nicm 2345: ctx->xoff + cx != 0 ||
2346: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2347: tty->cx < tty->sx ||
2348: tty->cy == tty->rlower)
1.253 nicm 2349: tty_cursor_pane(tty, ctx, cx, cy);
2350: else
2351: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2352: }
2353:
1.42 nicm 2354: /* Move cursor inside pane. */
1.208 nicm 2355: static void
1.41 nicm 2356: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2357: {
1.372 nicm 2358: tty_cursor(tty, ctx->xoff + cx - ctx->wox, ctx->yoff + cy - ctx->woy);
1.41 nicm 2359: }
2360:
1.42 nicm 2361: /* Move cursor to absolute position. */
1.41 nicm 2362: void
2363: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2364: {
1.42 nicm 2365: struct tty_term *term = tty->term;
2366: u_int thisx, thisy;
2367: int change;
1.354 nicm 2368:
2369: if (tty->flags & TTY_BLOCK)
2370: return;
1.77 nicm 2371:
1.42 nicm 2372: thisx = tty->cx;
2373: thisy = tty->cy;
2374:
1.409 nicm 2375: /*
2376: * If in the automargin space, and want to be there, do not move.
2377: * Otherwise, force the cursor to be in range (and complain).
2378: */
2379: if (cx == thisx && cy == thisy && cx == tty->sx)
2380: return;
2381: if (cx > tty->sx - 1) {
2382: log_debug("%s: x too big %u > %u", __func__, cx, tty->sx - 1);
2383: cx = tty->sx - 1;
2384: }
2385:
1.42 nicm 2386: /* No change. */
2387: if (cx == thisx && cy == thisy)
2388: return;
2389:
1.409 nicm 2390: /* Currently at the very end of the line - use absolute movement. */
1.43 nicm 2391: if (thisx > tty->sx - 1)
2392: goto absolute;
2393:
1.42 nicm 2394: /* Move to home position (0, 0). */
2395: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2396: tty_putcode(tty, TTYC_HOME);
2397: goto out;
2398: }
2399:
2400: /* Zero on the next line. */
1.293 nicm 2401: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2402: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2403: tty_putc(tty, '\r');
1.42 nicm 2404: tty_putc(tty, '\n');
2405: goto out;
2406: }
2407:
1.45 nicm 2408: /* Moving column or row. */
1.42 nicm 2409: if (cy == thisy) {
1.45 nicm 2410: /*
2411: * Moving column only, row staying the same.
2412: */
2413:
1.42 nicm 2414: /* To left edge. */
1.294 nicm 2415: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2416: tty_putc(tty, '\r');
2417: goto out;
2418: }
2419:
2420: /* One to the left. */
2421: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2422: tty_putcode(tty, TTYC_CUB1);
2423: goto out;
2424: }
2425:
2426: /* One to the right. */
2427: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2428: tty_putcode(tty, TTYC_CUF1);
2429: goto out;
2430: }
2431:
2432: /* Calculate difference. */
2433: change = thisx - cx; /* +ve left, -ve right */
2434:
2435: /*
2436: * Use HPA if change is larger than absolute, otherwise move
2437: * the cursor with CUB/CUF.
2438: */
1.87 nicm 2439: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.430 nicm 2440: tty_putcode_i(tty, TTYC_HPA, cx);
1.42 nicm 2441: goto out;
1.333 nicm 2442: } else if (change > 0 &&
2443: tty_term_has(term, TTYC_CUB) &&
2444: !tty_use_margin(tty)) {
1.202 nicm 2445: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2446: tty_putcode(tty, TTYC_CUB1);
2447: tty_putcode(tty, TTYC_CUB1);
2448: goto out;
2449: }
1.430 nicm 2450: tty_putcode_i(tty, TTYC_CUB, change);
1.42 nicm 2451: goto out;
1.333 nicm 2452: } else if (change < 0 &&
2453: tty_term_has(term, TTYC_CUF) &&
2454: !tty_use_margin(tty)) {
1.430 nicm 2455: tty_putcode_i(tty, TTYC_CUF, -change);
1.42 nicm 2456: goto out;
2457: }
1.45 nicm 2458: } else if (cx == thisx) {
2459: /*
2460: * Moving row only, column staying the same.
2461: */
1.42 nicm 2462:
2463: /* One above. */
1.77 nicm 2464: if (thisy != tty->rupper &&
1.42 nicm 2465: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2466: tty_putcode(tty, TTYC_CUU1);
2467: goto out;
2468: }
2469:
2470: /* One below. */
1.49 nicm 2471: if (thisy != tty->rlower &&
1.42 nicm 2472: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2473: tty_putcode(tty, TTYC_CUD1);
2474: goto out;
2475: }
2476:
2477: /* Calculate difference. */
2478: change = thisy - cy; /* +ve up, -ve down */
2479:
2480: /*
1.77 nicm 2481: * Try to use VPA if change is larger than absolute or if this
2482: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2483: */
1.87 nicm 2484: if ((u_int) abs(change) > cy ||
1.42 nicm 2485: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2486: (change > 0 && cy - change < tty->rupper)) {
2487: if (tty_term_has(term, TTYC_VPA)) {
1.430 nicm 2488: tty_putcode_i(tty, TTYC_VPA, cy);
1.44 nicm 2489: goto out;
2490: }
1.42 nicm 2491: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1.430 nicm 2492: tty_putcode_i(tty, TTYC_CUU, change);
1.42 nicm 2493: goto out;
2494: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1.430 nicm 2495: tty_putcode_i(tty, TTYC_CUD, -change);
1.42 nicm 2496: goto out;
2497: }
2498: }
2499:
1.43 nicm 2500: absolute:
1.42 nicm 2501: /* Absolute movement. */
1.430 nicm 2502: tty_putcode_ii(tty, TTYC_CUP, cy, cx);
1.42 nicm 2503:
2504: out:
2505: tty->cx = cx;
2506: tty->cy = cy;
1.1 nicm 2507: }
2508:
1.421 nicm 2509: static void
2510: tty_hyperlink(struct tty *tty, const struct grid_cell *gc,
2511: struct hyperlinks *hl)
2512: {
2513: const char *uri, *id;
2514:
2515: if (gc->link == tty->cell.link)
2516: return;
2517: tty->cell.link = gc->link;
2518:
2519: if (hl == NULL)
2520: return;
2521:
1.422 nicm 2522: if (gc->link == 0 || !hyperlinks_get(hl, gc->link, &uri, NULL, &id))
1.430 nicm 2523: tty_putcode_ss(tty, TTYC_HLS, "", "");
1.421 nicm 2524: else
1.430 nicm 2525: tty_putcode_ss(tty, TTYC_HLS, id, uri);
1.421 nicm 2526: }
2527:
1.1 nicm 2528: void
1.176 nicm 2529: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.421 nicm 2530: const struct grid_cell *defaults, struct colour_palette *palette,
2531: struct hyperlinks *hl)
1.1 nicm 2532: {
1.63 nicm 2533: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2534: int changed;
1.61 nicm 2535:
1.373 nicm 2536: /* Copy cell and update default colours. */
2537: memcpy(&gc2, gc, sizeof gc2);
1.399 nicm 2538: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2539: if (gc2.fg == 8)
2540: gc2.fg = defaults->fg;
2541: if (gc2.bg == 8)
2542: gc2.bg = defaults->bg;
2543: }
1.373 nicm 2544:
1.228 nicm 2545: /* Ignore cell if it is the same as the last one. */
1.373 nicm 2546: if (gc2.attr == tty->last_cell.attr &&
2547: gc2.fg == tty->last_cell.fg &&
2548: gc2.bg == tty->last_cell.bg &&
1.421 nicm 2549: gc2.us == tty->last_cell.us &&
2550: gc2.link == tty->last_cell.link)
1.228 nicm 2551: return;
1.63 nicm 2552:
1.18 nicm 2553: /*
2554: * If no setab, try to use the reverse attribute as a best-effort for a
2555: * non-default background. This is a bit of a hack but it doesn't do
2556: * any serious harm and makes a couple of applications happier.
2557: */
2558: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2559: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2560: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2561: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2562: } else {
1.310 nicm 2563: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2564: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2565: }
2566: }
1.1 nicm 2567:
1.85 nicm 2568: /* Fix up the colours if necessary. */
1.373 nicm 2569: tty_check_fg(tty, palette, &gc2);
2570: tty_check_bg(tty, palette, &gc2);
2571: tty_check_us(tty, palette, &gc2);
1.85 nicm 2572:
1.328 nicm 2573: /*
2574: * If any bits are being cleared or the underline colour is now default,
2575: * reset everything.
2576: */
2577: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2578: tty_reset(tty);
2579:
2580: /*
2581: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2582: * may add to (NOT remove) the desired attributes.
1.64 nicm 2583: */
1.85 nicm 2584: tty_colours(tty, &gc2);
1.64 nicm 2585:
1.1 nicm 2586: /* Filter out attribute bits already set. */
1.85 nicm 2587: changed = gc2.attr & ~tc->attr;
2588: tc->attr = gc2.attr;
1.1 nicm 2589:
2590: /* Set the attributes. */
2591: if (changed & GRID_ATTR_BRIGHT)
2592: tty_putcode(tty, TTYC_BOLD);
2593: if (changed & GRID_ATTR_DIM)
2594: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2595: if (changed & GRID_ATTR_ITALICS)
2596: tty_set_italics(tty);
1.308 nicm 2597: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2598: if ((changed & GRID_ATTR_UNDERSCORE) ||
2599: !tty_term_has(tty->term, TTYC_SMULX))
2600: tty_putcode(tty, TTYC_SMUL);
2601: else if (changed & GRID_ATTR_UNDERSCORE_2)
1.430 nicm 2602: tty_putcode_i(tty, TTYC_SMULX, 2);
1.308 nicm 2603: else if (changed & GRID_ATTR_UNDERSCORE_3)
1.430 nicm 2604: tty_putcode_i(tty, TTYC_SMULX, 3);
1.308 nicm 2605: else if (changed & GRID_ATTR_UNDERSCORE_4)
1.430 nicm 2606: tty_putcode_i(tty, TTYC_SMULX, 4);
1.308 nicm 2607: else if (changed & GRID_ATTR_UNDERSCORE_5)
1.430 nicm 2608: tty_putcode_i(tty, TTYC_SMULX, 5);
1.308 nicm 2609: }
1.1 nicm 2610: if (changed & GRID_ATTR_BLINK)
2611: tty_putcode(tty, TTYC_BLINK);
2612: if (changed & GRID_ATTR_REVERSE) {
2613: if (tty_term_has(tty->term, TTYC_REV))
2614: tty_putcode(tty, TTYC_REV);
2615: else if (tty_term_has(tty->term, TTYC_SMSO))
2616: tty_putcode(tty, TTYC_SMSO);
2617: }
2618: if (changed & GRID_ATTR_HIDDEN)
2619: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2620: if (changed & GRID_ATTR_STRIKETHROUGH)
2621: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2622: if (changed & GRID_ATTR_OVERLINE)
2623: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2624: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2625: tty_putcode(tty, TTYC_SMACS);
1.373 nicm 2626:
1.421 nicm 2627: /* Set hyperlink if any. */
2628: tty_hyperlink(tty, gc, hl);
2629:
1.373 nicm 2630: memcpy(&tty->last_cell, &gc2, sizeof tty->last_cell);
1.1 nicm 2631: }
2632:
1.207 nicm 2633: static void
1.85 nicm 2634: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2635: {
1.61 nicm 2636: struct grid_cell *tc = &tty->cell;
1.204 nicm 2637: int have_ax;
1.61 nicm 2638:
2639: /* No changes? Nothing is necessary. */
1.328 nicm 2640: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2641: return;
1.1 nicm 2642:
1.61 nicm 2643: /*
2644: * Is either the default colour? This is handled specially because the
2645: * best solution might be to reset both colours to default, in which
2646: * case if only one is default need to fall onward to set the other
2647: * colour.
2648: */
1.310 nicm 2649: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2650: /*
2651: * If don't have AX but do have op, send sgr0 (op can't
2652: * actually be used because it is sometimes the same as sgr0
2653: * and sometimes isn't). This resets both colours to default.
2654: *
2655: * Otherwise, try to set the default colour only as needed.
2656: */
1.174 nicm 2657: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2658: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2659: tty_reset(tty);
2660: else {
1.310 nicm 2661: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2662: if (have_ax)
2663: tty_puts(tty, "\033[39m");
1.204 nicm 2664: else if (tc->fg != 7)
1.430 nicm 2665: tty_putcode_i(tty, TTYC_SETAF, 7);
1.310 nicm 2666: tc->fg = gc->fg;
1.61 nicm 2667: }
1.310 nicm 2668: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2669: if (have_ax)
1.61 nicm 2670: tty_puts(tty, "\033[49m");
1.204 nicm 2671: else if (tc->bg != 0)
1.430 nicm 2672: tty_putcode_i(tty, TTYC_SETAB, 0);
1.312 nicm 2673: tc->bg = gc->bg;
1.61 nicm 2674: }
2675: }
2676: }
1.1 nicm 2677:
1.61 nicm 2678: /* Set the foreground colour. */
1.310 nicm 2679: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2680: tty_colours_fg(tty, gc);
1.1 nicm 2681:
1.61 nicm 2682: /*
2683: * Set the background colour. This must come after the foreground as
2684: * tty_colour_fg() can call tty_reset().
2685: */
1.310 nicm 2686: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2687: tty_colours_bg(tty, gc);
1.328 nicm 2688:
1.399 nicm 2689: /* Set the underscore colour. */
1.328 nicm 2690: if (gc->us != tc->us)
2691: tty_colours_us(tty, gc);
1.1 nicm 2692: }
2693:
1.219 nicm 2694: static void
1.399 nicm 2695: tty_check_fg(struct tty *tty, struct colour_palette *palette,
2696: struct grid_cell *gc)
1.85 nicm 2697: {
1.204 nicm 2698: u_char r, g, b;
2699: u_int colours;
1.223 nicm 2700: int c;
1.85 nicm 2701:
1.288 nicm 2702: /*
2703: * Perform substitution if this pane has a palette. If the bright
1.424 nicm 2704: * attribute is set and Nobr is not present, use the bright entry in
2705: * the palette by changing to the aixterm colour
1.288 nicm 2706: */
2707: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2708: c = gc->fg;
1.424 nicm 2709: if (c < 8 &&
2710: gc->attr & GRID_ATTR_BRIGHT &&
2711: !tty_term_has(tty->term, TTYC_NOBR))
1.288 nicm 2712: c += 90;
1.399 nicm 2713: if ((c = colour_palette_get(palette, c)) != -1)
1.288 nicm 2714: gc->fg = c;
2715: }
1.219 nicm 2716:
1.199 nicm 2717: /* Is this a 24-bit colour? */
1.204 nicm 2718: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2719: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2720: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2721: return;
1.341 nicm 2722: colour_split_rgb(gc->fg, &r, &g, &b);
2723: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2724: }
1.224 nicm 2725:
2726: /* How many colours does this terminal have? */
1.359 nicm 2727: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2728: colours = 256;
2729: else
2730: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2731:
1.85 nicm 2732: /* Is this a 256-colour colour? */
1.204 nicm 2733: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2734: /* And not a 256 colour mode? */
1.387 nicm 2735: if (colours < 256) {
1.85 nicm 2736: gc->fg = colour_256to16(gc->fg);
2737: if (gc->fg & 8) {
2738: gc->fg &= 7;
1.175 nicm 2739: if (colours >= 16)
2740: gc->fg += 90;
1.332 nicm 2741: }
1.85 nicm 2742: }
2743: return;
2744: }
2745:
2746: /* Is this an aixterm colour? */
2747: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2748: gc->fg -= 90;
2749: gc->attr |= GRID_ATTR_BRIGHT;
2750: }
2751: }
2752:
1.219 nicm 2753: static void
1.399 nicm 2754: tty_check_bg(struct tty *tty, struct colour_palette *palette,
2755: struct grid_cell *gc)
1.85 nicm 2756: {
1.204 nicm 2757: u_char r, g, b;
2758: u_int colours;
1.223 nicm 2759: int c;
1.85 nicm 2760:
1.288 nicm 2761: /* Perform substitution if this pane has a palette. */
2762: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2763: if ((c = colour_palette_get(palette, gc->bg)) != -1)
1.288 nicm 2764: gc->bg = c;
2765: }
1.219 nicm 2766:
1.199 nicm 2767: /* Is this a 24-bit colour? */
1.204 nicm 2768: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2769: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2770: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2771: return;
1.341 nicm 2772: colour_split_rgb(gc->bg, &r, &g, &b);
2773: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2774: }
1.224 nicm 2775:
2776: /* How many colours does this terminal have? */
1.359 nicm 2777: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2778: colours = 256;
2779: else
2780: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2781:
1.85 nicm 2782: /* Is this a 256-colour colour? */
1.204 nicm 2783: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2784: /*
2785: * And not a 256 colour mode? Translate to 16-colour
2786: * palette. Bold background doesn't exist portably, so just
2787: * discard the bold bit if set.
2788: */
1.387 nicm 2789: if (colours < 256) {
1.85 nicm 2790: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2791: if (gc->bg & 8) {
1.85 nicm 2792: gc->bg &= 7;
1.175 nicm 2793: if (colours >= 16)
1.322 nicm 2794: gc->bg += 90;
1.175 nicm 2795: }
1.85 nicm 2796: }
2797: return;
2798: }
2799:
2800: /* Is this an aixterm colour? */
1.175 nicm 2801: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2802: gc->bg -= 90;
2803: }
2804:
1.207 nicm 2805: static void
1.399 nicm 2806: tty_check_us(__unused struct tty *tty, struct colour_palette *palette,
2807: struct grid_cell *gc)
1.328 nicm 2808: {
2809: int c;
2810:
2811: /* Perform substitution if this pane has a palette. */
2812: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2813: if ((c = colour_palette_get(palette, gc->us)) != -1)
1.328 nicm 2814: gc->us = c;
2815: }
2816:
1.433 ! nicm 2817: /* Convert underscore colour if only RGB can be supported. */
! 2818: if (!tty_term_has(tty->term, TTYC_SETULC1)) {
! 2819: if ((c = colour_force_rgb (gc->us)) == -1)
! 2820: gc->us = 8;
! 2821: else
! 2822: gc->us = c;
! 2823: }
1.328 nicm 2824: }
2825:
2826: static void
1.85 nicm 2827: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2828: {
1.61 nicm 2829: struct grid_cell *tc = &tty->cell;
1.79 nicm 2830: char s[32];
1.1 nicm 2831:
1.204 nicm 2832: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2833: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2834: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.385 nicm 2835: goto save;
1.199 nicm 2836: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2837: return;
1.1 nicm 2838: }
2839:
1.79 nicm 2840: /* Is this an aixterm bright colour? */
1.204 nicm 2841: if (gc->fg >= 90 && gc->fg <= 97) {
1.359 nicm 2842: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2843: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2844: tty_puts(tty, s);
2845: } else
1.430 nicm 2846: tty_putcode_i(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.385 nicm 2847: goto save;
1.79 nicm 2848: }
2849:
1.61 nicm 2850: /* Otherwise set the foreground colour. */
1.430 nicm 2851: tty_putcode_i(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2852:
1.385 nicm 2853: save:
1.61 nicm 2854: /* Save the new values in the terminal current cell. */
1.204 nicm 2855: tc->fg = gc->fg;
1.1 nicm 2856: }
2857:
1.207 nicm 2858: static void
1.73 nicm 2859: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2860: {
1.61 nicm 2861: struct grid_cell *tc = &tty->cell;
1.79 nicm 2862: char s[32];
1.1 nicm 2863:
1.204 nicm 2864: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2865: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2866: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.385 nicm 2867: goto save;
1.199 nicm 2868: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2869: return;
1.79 nicm 2870: }
2871:
2872: /* Is this an aixterm bright colour? */
1.204 nicm 2873: if (gc->bg >= 90 && gc->bg <= 97) {
1.359 nicm 2874: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2875: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2876: tty_puts(tty, s);
2877: } else
1.430 nicm 2878: tty_putcode_i(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.385 nicm 2879: goto save;
1.1 nicm 2880: }
2881:
1.61 nicm 2882: /* Otherwise set the background colour. */
1.430 nicm 2883: tty_putcode_i(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2884:
1.385 nicm 2885: save:
1.61 nicm 2886: /* Save the new values in the terminal current cell. */
1.204 nicm 2887: tc->bg = gc->bg;
1.328 nicm 2888: }
2889:
2890: static void
2891: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2892: {
2893: struct grid_cell *tc = &tty->cell;
2894: u_int c;
2895: u_char r, g, b;
2896:
1.385 nicm 2897: /* Clear underline colour. */
1.432 nicm 2898: if (COLOUR_DEFAULT(gc->us)) {
1.385 nicm 2899: tty_putcode(tty, TTYC_OL);
2900: goto save;
2901: }
2902:
1.433 ! nicm 2903: /*
! 2904: * If this is not an RGB colour, use Setulc1 if it exists, otherwise
! 2905: * convert.
! 2906: */
! 2907: if (~gc->us & COLOUR_FLAG_RGB) {
! 2908: c = gc->us;
! 2909: if ((~c & COLOUR_FLAG_256) && (c >= 90 && c <= 97))
! 2910: c -= 82;
! 2911: tty_putcode_i(tty, TTYC_SETULC1, c & ~COLOUR_FLAG_256);
1.328 nicm 2912: return;
1.433 ! nicm 2913: }
1.328 nicm 2914:
2915: /*
1.385 nicm 2916: * Setulc and setal follows the ncurses(3) one argument "direct colour"
1.328 nicm 2917: * capability format. Calculate the colour value.
2918: */
2919: colour_split_rgb(gc->us, &r, &g, &b);
2920: c = (65536 * r) + (256 * g) + b;
2921:
1.385 nicm 2922: /*
2923: * Write the colour. Only use setal if the RGB flag is set because the
2924: * non-RGB version may be wrong.
2925: */
2926: if (tty_term_has(tty->term, TTYC_SETULC))
1.430 nicm 2927: tty_putcode_i(tty, TTYC_SETULC, c);
1.385 nicm 2928: else if (tty_term_has(tty->term, TTYC_SETAL) &&
2929: tty_term_has(tty->term, TTYC_RGB))
1.430 nicm 2930: tty_putcode_i(tty, TTYC_SETAL, c);
1.328 nicm 2931:
1.385 nicm 2932: save:
1.328 nicm 2933: /* Save the new values in the terminal current cell. */
2934: tc->us = gc->us;
1.61 nicm 2935: }
2936:
1.207 nicm 2937: static int
1.204 nicm 2938: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2939: {
1.204 nicm 2940: u_char r, g, b;
1.61 nicm 2941:
1.204 nicm 2942: if (colour & COLOUR_FLAG_256) {
1.359 nicm 2943: if (*type == '3' && tty_term_has(tty->term, TTYC_SETAF))
1.430 nicm 2944: tty_putcode_i(tty, TTYC_SETAF, colour & 0xff);
1.359 nicm 2945: else if (tty_term_has(tty->term, TTYC_SETAB))
1.430 nicm 2946: tty_putcode_i(tty, TTYC_SETAB, colour & 0xff);
1.359 nicm 2947: return (0);
1.204 nicm 2948: }
2949:
2950: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2951: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.359 nicm 2952: if (*type == '3' && tty_term_has(tty->term, TTYC_SETRGBF))
1.430 nicm 2953: tty_putcode_iii(tty, TTYC_SETRGBF, r, g, b);
1.359 nicm 2954: else if (tty_term_has(tty->term, TTYC_SETRGBB))
1.430 nicm 2955: tty_putcode_iii(tty, TTYC_SETRGBB, r, g, b);
1.165 nicm 2956: return (0);
2957: }
1.61 nicm 2958:
1.165 nicm 2959: return (-1);
1.176 nicm 2960: }
2961:
1.207 nicm 2962: static void
1.371 nicm 2963: tty_window_default_style(struct grid_cell *gc, struct window_pane *wp)
2964: {
2965: memcpy(gc, &grid_default_cell, sizeof *gc);
1.399 nicm 2966: gc->fg = wp->palette.fg;
2967: gc->bg = wp->palette.bg;
1.371 nicm 2968: }
2969:
1.373 nicm 2970: void
1.317 nicm 2971: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2972: {
1.400 nicm 2973: struct options *oo = wp->options;
2974: struct format_tree *ft;
1.373 nicm 2975:
2976: memcpy(gc, &grid_default_cell, sizeof *gc);
1.326 nicm 2977:
2978: if (wp->flags & PANE_STYLECHANGED) {
1.400 nicm 2979: log_debug("%%%u: style changed", wp->id);
1.326 nicm 2980: wp->flags &= ~PANE_STYLECHANGED;
1.371 nicm 2981:
1.400 nicm 2982: ft = format_create(NULL, NULL, FORMAT_PANE|wp->id,
2983: FORMAT_NOJOBS);
2984: format_defaults(ft, NULL, NULL, NULL, wp);
1.371 nicm 2985: tty_window_default_style(&wp->cached_active_gc, wp);
1.400 nicm 2986: style_add(&wp->cached_active_gc, oo, "window-active-style", ft);
1.371 nicm 2987: tty_window_default_style(&wp->cached_gc, wp);
1.400 nicm 2988: style_add(&wp->cached_gc, oo, "window-style", ft);
2989: format_free(ft);
1.203 nicm 2990: }
1.176 nicm 2991:
1.204 nicm 2992: if (gc->fg == 8) {
1.370 nicm 2993: if (wp == wp->window->active && wp->cached_active_gc.fg != 8)
2994: gc->fg = wp->cached_active_gc.fg;
1.204 nicm 2995: else
1.370 nicm 2996: gc->fg = wp->cached_gc.fg;
1.176 nicm 2997: }
2998:
1.204 nicm 2999: if (gc->bg == 8) {
1.370 nicm 3000: if (wp == wp->window->active && wp->cached_active_gc.bg != 8)
3001: gc->bg = wp->cached_active_gc.bg;
1.204 nicm 3002: else
1.370 nicm 3003: gc->bg = wp->cached_gc.bg;
1.176 nicm 3004: }
1.210 nicm 3005: }
3006:
3007: static void
1.373 nicm 3008: tty_default_attributes(struct tty *tty, const struct grid_cell *defaults,
1.421 nicm 3009: struct colour_palette *palette, u_int bg, struct hyperlinks *hl)
1.210 nicm 3010: {
1.373 nicm 3011: struct grid_cell gc;
1.210 nicm 3012:
3013: memcpy(&gc, &grid_default_cell, sizeof gc);
3014: gc.bg = bg;
1.421 nicm 3015: tty_attributes(tty, &gc, defaults, palette, hl);
1.1 nicm 3016: }
1.416 nicm 3017:
3018: static void
1.417 nicm 3019: tty_clipboard_query_callback(__unused int fd, __unused short events, void *data)
1.416 nicm 3020: {
3021: struct tty *tty = data;
1.417 nicm 3022: struct client *c = tty->client;
3023:
3024: c->flags &= ~CLIENT_CLIPBOARDBUFFER;
3025: free(c->clipboard_panes);
3026: c->clipboard_panes = NULL;
3027: c->clipboard_npanes = 0;
1.416 nicm 3028:
3029: tty->flags &= ~TTY_OSC52QUERY;
3030: }
3031:
3032: void
1.417 nicm 3033: tty_clipboard_query(struct tty *tty)
1.416 nicm 3034: {
3035: struct timeval tv = { .tv_sec = TTY_QUERY_TIMEOUT };
3036:
3037: if ((~tty->flags & TTY_STARTED) || (tty->flags & TTY_OSC52QUERY))
3038: return;
1.430 nicm 3039: tty_putcode_ss(tty, TTYC_MS, "", "?");
1.417 nicm 3040:
1.416 nicm 3041: tty->flags |= TTY_OSC52QUERY;
1.417 nicm 3042: evtimer_set(&tty->clipboard_timer, tty_clipboard_query_callback, tty);
3043: evtimer_add(&tty->clipboard_timer, &tv);
1.416 nicm 3044: }
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