Annotation of src/usr.bin/tmux/tty.c, Revision 1.434
1.434 ! nicm 1: /* $OpenBSD: tty.c,v 1.433 2023/09/02 09:17:23 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
1.434 ! nicm 85: #define TTY_REQUEST_LIMIT 30
1.416 nicm 86:
1.192 nicm 87: void
88: tty_create_log(void)
89: {
90: char name[64];
91:
92: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
93:
94: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
95: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
96: fatal("fcntl failed");
97: }
98:
1.185 nicm 99: int
1.380 nicm 100: tty_init(struct tty *tty, struct client *c)
1.1 nicm 101: {
1.380 nicm 102: if (!isatty(c->fd))
1.185 nicm 103: return (-1);
104:
1.30 nicm 105: memset(tty, 0, sizeof *tty);
1.136 nicm 106: tty->client = c;
1.30 nicm 107:
1.391 nicm 108: tty->cstyle = SCREEN_CURSOR_DEFAULT;
1.410 nicm 109: tty->ccolour = -1;
1.426 nicm 110: tty->fg = tty->bg = -1;
1.30 nicm 111:
1.380 nicm 112: if (tcgetattr(c->fd, &tty->tio) != 0)
113: return (-1);
1.185 nicm 114: return (0);
1.31 nicm 115: }
116:
1.287 nicm 117: void
1.31 nicm 118: tty_resize(struct tty *tty)
119: {
1.258 nicm 120: struct client *c = tty->client;
121: struct winsize ws;
1.334 nicm 122: u_int sx, sy, xpixel, ypixel;
1.31 nicm 123:
1.380 nicm 124: if (ioctl(c->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 125: sx = ws.ws_col;
1.334 nicm 126: if (sx == 0) {
1.88 nicm 127: sx = 80;
1.334 nicm 128: xpixel = 0;
129: } else
130: xpixel = ws.ws_xpixel / sx;
1.88 nicm 131: sy = ws.ws_row;
1.334 nicm 132: if (sy == 0) {
1.88 nicm 133: sy = 24;
1.334 nicm 134: ypixel = 0;
135: } else
136: ypixel = ws.ws_ypixel / sy;
1.88 nicm 137: } else {
138: sx = 80;
139: sy = 24;
1.334 nicm 140: xpixel = 0;
141: ypixel = 0;
1.31 nicm 142: }
1.334 nicm 143: log_debug("%s: %s now %ux%u (%ux%u)", __func__, c->name, sx, sy,
144: xpixel, ypixel);
145: tty_set_size(tty, sx, sy, xpixel, ypixel);
1.242 nicm 146: tty_invalidate(tty);
1.114 nicm 147: }
148:
1.287 nicm 149: void
1.334 nicm 150: tty_set_size(struct tty *tty, u_int sx, u_int sy, u_int xpixel, u_int ypixel)
1.212 nicm 151: {
1.114 nicm 152: tty->sx = sx;
153: tty->sy = sy;
1.334 nicm 154: tty->xpixel = xpixel;
155: tty->ypixel = ypixel;
1.1 nicm 156: }
157:
1.244 nicm 158: static void
159: tty_read_callback(__unused int fd, __unused short events, void *data)
160: {
161: struct tty *tty = data;
1.258 nicm 162: struct client *c = tty->client;
1.375 nicm 163: const char *name = c->name;
1.244 nicm 164: size_t size = EVBUFFER_LENGTH(tty->in);
165: int nread;
166:
1.380 nicm 167: nread = evbuffer_read(tty->in, c->fd, -1);
1.295 nicm 168: if (nread == 0 || nread == -1) {
1.375 nicm 169: if (nread == 0)
170: log_debug("%s: read closed", name);
171: else
172: log_debug("%s: read error: %s", name, strerror(errno));
1.290 nicm 173: event_del(&tty->event_in);
1.295 nicm 174: server_client_lost(tty->client);
1.244 nicm 175: return;
1.290 nicm 176: }
1.375 nicm 177: log_debug("%s: read %d bytes (already %zu)", name, nread, size);
1.244 nicm 178:
179: while (tty_keys_next(tty))
180: ;
181: }
182:
183: static void
1.266 nicm 184: tty_timer_callback(__unused int fd, __unused short events, void *data)
185: {
186: struct tty *tty = data;
187: struct client *c = tty->client;
188: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
189:
190: log_debug("%s: %zu discarded", c->name, tty->discarded);
191:
1.305 nicm 192: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.266 nicm 193: c->discarded += tty->discarded;
194:
195: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
196: tty->flags &= ~TTY_BLOCK;
197: tty_invalidate(tty);
198: return;
199: }
200: tty->discarded = 0;
201: evtimer_add(&tty->timer, &tv);
202: }
203:
204: static int
205: tty_block_maybe(struct tty *tty)
206: {
207: struct client *c = tty->client;
208: size_t size = EVBUFFER_LENGTH(tty->out);
209: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
210:
1.414 nicm 211: if (size == 0)
212: tty->flags &= ~TTY_NOBLOCK;
213: else if (tty->flags & TTY_NOBLOCK)
214: return (0);
215:
1.266 nicm 216: if (size < TTY_BLOCK_START(tty))
217: return (0);
218:
219: if (tty->flags & TTY_BLOCK)
220: return (1);
221: tty->flags |= TTY_BLOCK;
222:
223: log_debug("%s: can't keep up, %zu discarded", c->name, size);
224:
225: evbuffer_drain(tty->out, size);
226: c->discarded += size;
227:
228: tty->discarded = 0;
229: evtimer_add(&tty->timer, &tv);
230: return (1);
231: }
232:
233: static void
1.244 nicm 234: tty_write_callback(__unused int fd, __unused short events, void *data)
235: {
1.246 nicm 236: struct tty *tty = data;
1.258 nicm 237: struct client *c = tty->client;
1.246 nicm 238: size_t size = EVBUFFER_LENGTH(tty->out);
239: int nwrite;
1.244 nicm 240:
1.380 nicm 241: nwrite = evbuffer_write(tty->out, c->fd);
1.244 nicm 242: if (nwrite == -1)
243: return;
1.258 nicm 244: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 245:
1.270 nicm 246: if (c->redraw > 0) {
247: if ((size_t)nwrite >= c->redraw)
248: c->redraw = 0;
249: else
250: c->redraw -= nwrite;
251: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
252: c->redraw);
253: } else if (tty_block_maybe(tty))
1.266 nicm 254: return;
255:
1.247 nicm 256: if (EVBUFFER_LENGTH(tty->out) != 0)
257: event_add(&tty->event_out, NULL);
1.244 nicm 258: }
259:
1.1 nicm 260: int
1.166 nicm 261: tty_open(struct tty *tty, char **cause)
1.1 nicm 262: {
1.359 nicm 263: struct client *c = tty->client;
264:
1.389 nicm 265: tty->term = tty_term_create(tty, c->term_name, c->term_caps,
266: c->term_ncaps, &c->term_features, cause);
1.21 nicm 267: if (tty->term == NULL) {
268: tty_close(tty);
269: return (-1);
270: }
271: tty->flags |= TTY_OPENED;
1.1 nicm 272:
1.266 nicm 273: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 274:
1.380 nicm 275: event_set(&tty->event_in, c->fd, EV_PERSIST|EV_READ,
1.244 nicm 276: tty_read_callback, tty);
277: tty->in = evbuffer_new();
1.311 nicm 278: if (tty->in == NULL)
279: fatal("out of memory");
1.1 nicm 280:
1.380 nicm 281: event_set(&tty->event_out, c->fd, EV_WRITE, tty_write_callback, tty);
1.244 nicm 282: tty->out = evbuffer_new();
1.311 nicm 283: if (tty->out == NULL)
284: fatal("out of memory");
1.1 nicm 285:
1.266 nicm 286: evtimer_set(&tty->timer, tty_timer_callback, tty);
287:
1.1 nicm 288: tty_start_tty(tty);
1.148 nicm 289: tty_keys_build(tty);
1.1 nicm 290:
291: return (0);
292: }
293:
1.340 nicm 294: static void
295: tty_start_timer_callback(__unused int fd, __unused short events, void *data)
296: {
297: struct tty *tty = data;
298: struct client *c = tty->client;
299:
300: log_debug("%s: start timer fired", c->name);
1.425 nicm 301: if ((tty->flags & (TTY_HAVEDA|TTY_HAVEDA2|TTY_HAVEXDA)) == 0)
1.378 nicm 302: tty_update_features(tty);
1.426 nicm 303: tty->flags |= TTY_ALL_REQUEST_FLAGS;
1.340 nicm 304: }
305:
1.244 nicm 306: void
307: tty_start_tty(struct tty *tty)
1.1 nicm 308: {
1.285 nicm 309: struct client *c = tty->client;
310: struct termios tio;
1.416 nicm 311: struct timeval tv = { .tv_sec = TTY_QUERY_TIMEOUT };
1.33 nicm 312:
1.380 nicm 313: setblocking(c->fd, 0);
314: event_add(&tty->event_in, NULL);
315:
316: memcpy(&tio, &tty->tio, sizeof tio);
317: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
318: tio.c_iflag |= IGNBRK;
319: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
320: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|ECHOPRT|
321: ECHOKE|ISIG);
322: tio.c_cc[VMIN] = 1;
323: tio.c_cc[VTIME] = 0;
324: if (tcsetattr(c->fd, TCSANOW, &tio) == 0)
1.404 nicm 325: tcflush(c->fd, TCOFLUSH);
1.1 nicm 326:
1.10 nicm 327: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 328:
1.252 nicm 329: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 330: tty_putcode(tty, TTYC_CLEAR);
331:
332: if (tty_acs_needed(tty)) {
333: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 334: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 335: } else
336: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 337:
338: tty_putcode(tty, TTYC_CNORM);
1.343 nicm 339: if (tty_term_has(tty->term, TTYC_KMOUS)) {
340: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1003l");
341: tty_puts(tty, "\033[?1006l\033[?1005l");
342: }
1.427 nicm 343: if (tty_term_has(tty->term, TTYC_ENBP))
344: tty_putcode(tty, TTYC_ENBP);
1.121 nicm 345:
1.340 nicm 346: evtimer_set(&tty->start_timer, tty_start_timer_callback, tty);
347: evtimer_add(&tty->start_timer, &tv);
348:
1.20 nicm 349: tty->flags |= TTY_STARTED;
1.242 nicm 350: tty_invalidate(tty);
1.107 nicm 351:
1.410 nicm 352: if (tty->ccolour != -1)
353: tty_force_cursor_colour(tty, -1);
1.177 nicm 354:
355: tty->mouse_drag_flag = 0;
356: tty->mouse_drag_update = NULL;
357: tty->mouse_drag_release = NULL;
1.347 nicm 358: }
359:
360: void
361: tty_send_requests(struct tty *tty)
362: {
363: if (~tty->flags & TTY_STARTED)
364: return;
365:
1.369 nicm 366: if (tty->term->flags & TERM_VT100LIKE) {
1.425 nicm 367: if (~tty->term->flags & TTY_HAVEDA)
368: tty_puts(tty, "\033[c");
369: if (~tty->flags & TTY_HAVEDA2)
1.351 nicm 370: tty_puts(tty, "\033[>c");
1.364 nicm 371: if (~tty->flags & TTY_HAVEXDA)
372: tty_puts(tty, "\033[>q");
1.434 ! nicm 373: tty_puts(tty, "\033]10;?\033\\");
! 374: tty_puts(tty, "\033]11;?\033\\");
1.347 nicm 375: } else
1.426 nicm 376: tty->flags |= TTY_ALL_REQUEST_FLAGS;
1.434 ! nicm 377: tty->last_requests = time (NULL);
! 378: }
! 379:
! 380: void
! 381: tty_repeat_requests(struct tty *tty)
! 382: {
! 383: time_t t = time (NULL);
! 384:
! 385: if (~tty->flags & TTY_STARTED)
! 386: return;
! 387:
! 388: if (t - tty->last_requests <= TTY_REQUEST_LIMIT)
! 389: return;
! 390: tty->last_requests = t;
! 391:
! 392: if (tty->term->flags & TERM_VT100LIKE) {
! 393: tty_puts(tty, "\033]10;?\033\\");
! 394: tty_puts(tty, "\033]11;?\033\\");
! 395: }
1.128 nicm 396: }
397:
398: void
1.1 nicm 399: tty_stop_tty(struct tty *tty)
400: {
1.380 nicm 401: struct client *c = tty->client;
402: struct winsize ws;
1.1 nicm 403:
1.20 nicm 404: if (!(tty->flags & TTY_STARTED))
405: return;
406: tty->flags &= ~TTY_STARTED;
1.340 nicm 407:
408: evtimer_del(&tty->start_timer);
1.20 nicm 409:
1.266 nicm 410: event_del(&tty->timer);
411: tty->flags &= ~TTY_BLOCK;
412:
1.244 nicm 413: event_del(&tty->event_in);
414: event_del(&tty->event_out);
1.66 nicm 415:
1.1 nicm 416: /*
417: * Be flexible about error handling and try not kill the server just
418: * because the fd is invalid. Things like ssh -t can easily leave us
419: * with a dead tty.
420: */
1.380 nicm 421: if (ioctl(c->fd, TIOCGWINSZ, &ws) == -1)
1.1 nicm 422: return;
1.380 nicm 423: if (tcsetattr(c->fd, TCSANOW, &tty->tio) == -1)
1.1 nicm 424: return;
425:
1.430 nicm 426: tty_raw(tty, tty_term_string_ii(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 427: if (tty_acs_needed(tty))
1.90 nicm 428: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 429: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
430: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
431: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.391 nicm 432: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
1.160 nicm 433: if (tty_term_has(tty->term, TTYC_SE))
434: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.391 nicm 435: else if (tty_term_has(tty->term, TTYC_SS))
1.430 nicm 436: tty_raw(tty, tty_term_string_i(tty->term, TTYC_SS, 0));
1.108 nicm 437: }
1.410 nicm 438: if (tty->ccolour != -1)
1.336 nicm 439: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 440:
441: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
1.343 nicm 442: if (tty_term_has(tty->term, TTYC_KMOUS)) {
443: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1003l");
444: tty_raw(tty, "\033[?1006l\033[?1005l");
445: }
1.427 nicm 446: if (tty_term_has(tty->term, TTYC_DSBP))
447: tty_raw(tty, tty_term_string(tty->term, TTYC_DSBP));
1.151 nicm 448:
1.369 nicm 449: if (tty->term->flags & TERM_VT100LIKE)
1.352 nicm 450: tty_raw(tty, "\033[?7727l");
1.378 nicm 451: tty_raw(tty, tty_term_string(tty->term, TTYC_DSFCS));
452: tty_raw(tty, tty_term_string(tty->term, TTYC_DSEKS));
1.10 nicm 453:
1.212 nicm 454: if (tty_use_margin(tty))
1.365 nicm 455: tty_raw(tty, tty_term_string(tty->term, TTYC_DSMG));
1.10 nicm 456: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 457:
1.380 nicm 458: setblocking(c->fd, 1);
1.1 nicm 459: }
460:
461: void
1.20 nicm 462: tty_close(struct tty *tty)
1.1 nicm 463: {
1.123 nicm 464: if (event_initialized(&tty->key_timer))
465: evtimer_del(&tty->key_timer);
1.20 nicm 466: tty_stop_tty(tty);
1.1 nicm 467:
1.21 nicm 468: if (tty->flags & TTY_OPENED) {
1.244 nicm 469: evbuffer_free(tty->in);
470: event_del(&tty->event_in);
471: evbuffer_free(tty->out);
472: event_del(&tty->event_out);
1.66 nicm 473:
1.21 nicm 474: tty_term_free(tty->term);
475: tty_keys_free(tty);
476:
477: tty->flags &= ~TTY_OPENED;
478: }
1.1 nicm 479: }
480:
481: void
1.20 nicm 482: tty_free(struct tty *tty)
1.1 nicm 483: {
1.20 nicm 484: tty_close(tty);
1.1 nicm 485: }
486:
487: void
1.359 nicm 488: tty_update_features(struct tty *tty)
1.212 nicm 489: {
1.359 nicm 490: struct client *c = tty->client;
491:
1.362 nicm 492: if (tty_apply_features(tty->term, c->term_features))
493: tty_term_apply_overrides(tty->term);
1.212 nicm 494:
495: if (tty_use_margin(tty))
1.365 nicm 496: tty_putcode(tty, TTYC_ENMG);
1.378 nicm 497: if (options_get_number(global_options, "extended-keys"))
498: tty_puts(tty, tty_term_string(tty->term, TTYC_ENEKS));
499: if (options_get_number(global_options, "focus-events"))
1.379 nicm 500: tty_puts(tty, tty_term_string(tty->term, TTYC_ENFCS));
1.378 nicm 501: if (tty->term->flags & TERM_VT100LIKE)
502: tty_puts(tty, "\033[?7727h");
1.429 nicm 503:
1.431 nicm 504: /*
505: * Features might have changed since the first draw during attach. For
506: * example, this happens when DA responses are received.
507: */
508: server_redraw_client(c);
509:
1.429 nicm 510: tty_invalidate(tty);
1.212 nicm 511: }
512:
513: void
1.1 nicm 514: tty_raw(struct tty *tty, const char *s)
515: {
1.380 nicm 516: struct client *c = tty->client;
517: ssize_t n, slen;
518: u_int i;
1.150 nicm 519:
520: slen = strlen(s);
521: for (i = 0; i < 5; i++) {
1.380 nicm 522: n = write(c->fd, s, slen);
1.150 nicm 523: if (n >= 0) {
524: s += n;
525: slen -= n;
526: if (slen == 0)
527: break;
528: } else if (n == -1 && errno != EAGAIN)
529: break;
530: usleep(100);
531: }
1.1 nicm 532: }
533:
534: void
535: tty_putcode(struct tty *tty, enum tty_code_code code)
536: {
537: tty_puts(tty, tty_term_string(tty->term, code));
538: }
539:
540: void
1.430 nicm 541: tty_putcode_i(struct tty *tty, enum tty_code_code code, int a)
1.1 nicm 542: {
543: if (a < 0)
544: return;
1.430 nicm 545: tty_puts(tty, tty_term_string_i(tty->term, code, a));
1.1 nicm 546: }
547:
548: void
1.430 nicm 549: tty_putcode_ii(struct tty *tty, enum tty_code_code code, int a, int b)
1.1 nicm 550: {
551: if (a < 0 || b < 0)
552: return;
1.430 nicm 553: tty_puts(tty, tty_term_string_ii(tty->term, code, a, b));
1.1 nicm 554: }
555:
556: void
1.430 nicm 557: tty_putcode_iii(struct tty *tty, enum tty_code_code code, int a, int b, int c)
1.286 nicm 558: {
559: if (a < 0 || b < 0 || c < 0)
560: return;
1.430 nicm 561: tty_puts(tty, tty_term_string_iii(tty->term, code, a, b, c));
1.286 nicm 562: }
563:
564: void
1.430 nicm 565: tty_putcode_s(struct tty *tty, enum tty_code_code code, const char *a)
1.107 nicm 566: {
567: if (a != NULL)
1.430 nicm 568: tty_puts(tty, tty_term_string_s(tty->term, code, a));
1.107 nicm 569: }
570:
571: void
1.430 nicm 572: tty_putcode_ss(struct tty *tty, enum tty_code_code code, const char *a,
573: const char *b)
1.106 nicm 574: {
575: if (a != NULL && b != NULL)
1.430 nicm 576: tty_puts(tty, tty_term_string_ss(tty->term, code, a, b));
1.106 nicm 577: }
578:
1.243 nicm 579: static void
580: tty_add(struct tty *tty, const char *buf, size_t len)
581: {
1.258 nicm 582: struct client *c = tty->client;
583:
1.266 nicm 584: if (tty->flags & TTY_BLOCK) {
585: tty->discarded += len;
586: return;
587: }
588:
1.244 nicm 589: evbuffer_add(tty->out, buf, len);
1.270 nicm 590: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 591: c->written += len;
1.243 nicm 592:
593: if (tty_log_fd != -1)
594: write(tty_log_fd, buf, len);
1.244 nicm 595: if (tty->flags & TTY_STARTED)
596: event_add(&tty->event_out, NULL);
1.243 nicm 597: }
598:
1.106 nicm 599: void
1.1 nicm 600: tty_puts(struct tty *tty, const char *s)
601: {
1.243 nicm 602: if (*s != '\0')
603: tty_add(tty, s, strlen(s));
1.1 nicm 604: }
605:
606: void
607: tty_putc(struct tty *tty, u_char ch)
608: {
1.90 nicm 609: const char *acs;
1.1 nicm 610:
1.382 nicm 611: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 612: ch >= 0x20 && ch != 0x7f &&
613: tty->cy == tty->sy - 1 &&
614: tty->cx + 1 >= tty->sx)
615: return;
616:
1.90 nicm 617: if (tty->cell.attr & GRID_ATTR_CHARSET) {
618: acs = tty_acs_get(tty, ch);
1.243 nicm 619: if (acs != NULL)
620: tty_add(tty, acs, strlen(acs));
621: else
622: tty_add(tty, &ch, 1);
623: } else
624: tty_add(tty, &ch, 1);
1.1 nicm 625:
626: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 627: if (tty->cx >= tty->sx) {
1.46 nicm 628: tty->cx = 1;
629: if (tty->cy != tty->rlower)
630: tty->cy++;
1.211 nicm 631:
632: /*
1.382 nicm 633: * On !am terminals, force the cursor position to where
634: * we think it should be after a line wrap - this means
635: * it works on sensible terminals as well.
1.211 nicm 636: */
1.382 nicm 637: if (tty->term->flags & TERM_NOAM)
1.430 nicm 638: tty_putcode_ii(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 639: } else
640: tty->cx++;
641: }
642: }
643:
644: void
1.147 nicm 645: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 646: {
1.382 nicm 647: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 648: tty->cy == tty->sy - 1 &&
649: tty->cx + len >= tty->sx)
650: len = tty->sx - tty->cx - 1;
651:
1.243 nicm 652: tty_add(tty, buf, len);
1.268 nicm 653: if (tty->cx + width > tty->sx) {
654: tty->cx = (tty->cx + width) - tty->sx;
655: if (tty->cx <= tty->sx)
656: tty->cy++;
657: else
658: tty->cx = tty->cy = UINT_MAX;
659: } else
1.254 nicm 660: tty->cx += width;
1.5 nicm 661: }
662:
1.207 nicm 663: static void
1.180 nicm 664: tty_set_italics(struct tty *tty)
665: {
666: const char *s;
667:
668: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 669: s = options_get_string(global_options, "default-terminal");
1.180 nicm 670: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
671: tty_putcode(tty, TTYC_SITM);
672: return;
673: }
674: }
675: tty_putcode(tty, TTYC_SMSO);
676: }
677:
678: void
1.1 nicm 679: tty_set_title(struct tty *tty, const char *title)
680: {
1.105 nicm 681: if (!tty_term_has(tty->term, TTYC_TSL) ||
682: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 683: return;
684:
1.105 nicm 685: tty_putcode(tty, TTYC_TSL);
1.418 nicm 686: tty_puts(tty, title);
687: tty_putcode(tty, TTYC_FSL);
688: }
689:
690: void
691: tty_set_path(struct tty *tty, const char *title)
692: {
693: if (!tty_term_has(tty->term, TTYC_SWD) ||
694: !tty_term_has(tty->term, TTYC_FSL))
695: return;
696:
697: tty_putcode(tty, TTYC_SWD);
1.1 nicm 698: tty_puts(tty, title);
1.105 nicm 699: tty_putcode(tty, TTYC_FSL);
1.1 nicm 700: }
701:
1.208 nicm 702: static void
1.410 nicm 703: tty_force_cursor_colour(struct tty *tty, int c)
1.107 nicm 704: {
1.410 nicm 705: u_char r, g, b;
1.420 nicm 706: char s[13];
1.410 nicm 707:
708: if (c != -1)
709: c = colour_force_rgb(c);
710: if (c == tty->ccolour)
711: return;
712: if (c == -1)
1.107 nicm 713: tty_putcode(tty, TTYC_CR);
1.410 nicm 714: else {
715: colour_split_rgb(c, &r, &g, &b);
716: xsnprintf(s, sizeof s, "rgb:%02hhx/%02hhx/%02hhx", r, g, b);
1.430 nicm 717: tty_putcode_s(tty, TTYC_CS, s);
1.410 nicm 718: }
719: tty->ccolour = c;
1.107 nicm 720: }
721:
1.411 nicm 722: static int
723: tty_update_cursor(struct tty *tty, int mode, struct screen *s)
1.404 nicm 724: {
1.410 nicm 725: enum screen_cursor_style cstyle;
1.411 nicm 726: int ccolour, changed, cmode = mode;
1.404 nicm 727:
728: /* Set cursor colour if changed. */
1.410 nicm 729: if (s != NULL) {
730: ccolour = s->ccolour;
731: if (s->ccolour == -1)
732: ccolour = s->default_ccolour;
733: tty_force_cursor_colour(tty, ccolour);
734: }
1.404 nicm 735:
736: /* If cursor is off, set as invisible. */
1.411 nicm 737: if (~cmode & MODE_CURSOR) {
738: if (tty->mode & MODE_CURSOR)
1.404 nicm 739: tty_putcode(tty, TTYC_CIVIS);
1.411 nicm 740: return (cmode);
1.404 nicm 741: }
742:
743: /* Check if blinking or very visible flag changed or style changed. */
744: if (s == NULL)
745: cstyle = tty->cstyle;
1.411 nicm 746: else {
1.404 nicm 747: cstyle = s->cstyle;
1.411 nicm 748: if (cstyle == SCREEN_CURSOR_DEFAULT) {
749: if (~cmode & MODE_CURSOR_BLINKING_SET) {
750: if (s->default_mode & MODE_CURSOR_BLINKING)
751: cmode |= MODE_CURSOR_BLINKING;
752: else
753: cmode &= ~MODE_CURSOR_BLINKING;
754: }
755: cstyle = s->default_cstyle;
756: }
757: }
758:
759: /* If nothing changed, do nothing. */
760: changed = cmode ^ tty->mode;
1.404 nicm 761: if ((changed & CURSOR_MODES) == 0 && cstyle == tty->cstyle)
1.411 nicm 762: return (cmode);
1.404 nicm 763:
764: /*
765: * Set cursor style. If an explicit style has been set with DECSCUSR,
766: * set it if supported, otherwise send cvvis for blinking styles.
767: *
768: * If no style, has been set (SCREEN_CURSOR_DEFAULT), then send cvvis
769: * if either the blinking or very visible flags are set.
770: */
771: tty_putcode(tty, TTYC_CNORM);
772: switch (cstyle) {
773: case SCREEN_CURSOR_DEFAULT:
1.405 nicm 774: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
775: if (tty_term_has(tty->term, TTYC_SE))
776: tty_putcode(tty, TTYC_SE);
777: else
1.430 nicm 778: tty_putcode_i(tty, TTYC_SS, 0);
1.405 nicm 779: }
1.411 nicm 780: if (cmode & (MODE_CURSOR_BLINKING|MODE_CURSOR_VERY_VISIBLE))
1.404 nicm 781: tty_putcode(tty, TTYC_CVVIS);
782: break;
783: case SCREEN_CURSOR_BLOCK:
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, 1);
1.404 nicm 787: else
1.430 nicm 788: tty_putcode_i(tty, TTYC_SS, 2);
1.411 nicm 789: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 790: tty_putcode(tty, TTYC_CVVIS);
791: break;
792: case SCREEN_CURSOR_UNDERLINE:
793: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 794: if (cmode & MODE_CURSOR_BLINKING)
1.430 nicm 795: tty_putcode_i(tty, TTYC_SS, 3);
1.404 nicm 796: else
1.430 nicm 797: tty_putcode_i(tty, TTYC_SS, 4);
1.411 nicm 798: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 799: tty_putcode(tty, TTYC_CVVIS);
800: break;
801: case SCREEN_CURSOR_BAR:
802: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 803: if (cmode & MODE_CURSOR_BLINKING)
1.430 nicm 804: tty_putcode_i(tty, TTYC_SS, 5);
1.404 nicm 805: else
1.430 nicm 806: tty_putcode_i(tty, TTYC_SS, 6);
1.411 nicm 807: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 808: tty_putcode(tty, TTYC_CVVIS);
809: break;
810: }
811: tty->cstyle = cstyle;
1.411 nicm 812: return (cmode);
1.404 nicm 813: }
814:
1.107 nicm 815: void
816: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 817: {
1.411 nicm 818: struct tty_term *term = tty->term;
1.404 nicm 819: struct client *c = tty->client;
820: int changed;
1.107 nicm 821:
1.1 nicm 822: if (tty->flags & TTY_NOCURSOR)
823: mode &= ~MODE_CURSOR;
824:
1.411 nicm 825: if (tty_update_cursor(tty, mode, s) & MODE_CURSOR_BLINKING)
826: mode |= MODE_CURSOR_BLINKING;
827: else
828: mode &= ~MODE_CURSOR_BLINKING;
829:
1.1 nicm 830: changed = mode ^ tty->mode;
1.392 nicm 831: if (log_get_level() != 0 && changed != 0) {
832: log_debug("%s: current mode %s", c->name,
833: screen_mode_to_string(tty->mode));
834: log_debug("%s: setting mode %s", c->name,
835: screen_mode_to_string(mode));
836: }
1.344 nicm 837:
1.411 nicm 838: if ((changed & ALL_MOUSE_MODES) && tty_term_has(term, TTYC_KMOUS)) {
1.386 nicm 839: /*
1.415 nicm 840: * If the mouse modes have changed, clear then all and apply
841: * again. There are differences in how terminals track the
842: * various bits.
1.386 nicm 843: */
1.415 nicm 844: tty_puts(tty, "\033[?1006l\033[?1000l\033[?1002l\033[?1003l");
1.344 nicm 845: if (mode & ALL_MOUSE_MODES)
1.153 nicm 846: tty_puts(tty, "\033[?1006h");
1.415 nicm 847: if (mode & MODE_MOUSE_ALL)
848: tty_puts(tty, "\033[?1000h\033[?1002h\033[?1003h");
1.419 nicm 849: else if (mode & MODE_MOUSE_BUTTON)
1.415 nicm 850: tty_puts(tty, "\033[?1000h\033[?1002h");
851: else if (mode & MODE_MOUSE_STANDARD)
1.344 nicm 852: tty_puts(tty, "\033[?1000h");
1.1 nicm 853: }
854: tty->mode = mode;
855: }
856:
1.207 nicm 857: static void
1.168 nicm 858: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
859: enum tty_code_code code1, u_int n)
1.1 nicm 860: {
861: if (tty_term_has(tty->term, code))
1.430 nicm 862: tty_putcode_i(tty, code, n);
1.1 nicm 863: else {
864: while (n-- > 0)
865: tty_putcode(tty, code1);
866: }
867: }
868:
1.207 nicm 869: static void
1.133 nicm 870: tty_repeat_space(struct tty *tty, u_int n)
871: {
1.257 nicm 872: static char s[500];
873:
874: if (*s != ' ')
875: memset(s, ' ', sizeof s);
876:
877: while (n > sizeof s) {
878: tty_putn(tty, s, sizeof s, sizeof s);
879: n -= sizeof s;
880: }
881: if (n != 0)
882: tty_putn(tty, s, n, n);
1.304 nicm 883: }
884:
1.309 nicm 885: /* Is this window bigger than the terminal? */
886: int
887: tty_window_bigger(struct tty *tty)
888: {
889: struct client *c = tty->client;
890: struct window *w = c->session->curw->window;
891:
892: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
893: }
894:
895: /* What offset should this window be drawn at? */
896: int
897: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
898: {
899: *ox = tty->oox;
900: *oy = tty->ooy;
901: *sx = tty->osx;
902: *sy = tty->osy;
903:
904: return (tty->oflag);
905: }
906:
907: /* What offset should this window be drawn at? */
908: static int
909: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
910: {
911: struct client *c = tty->client;
912: struct window *w = c->session->curw->window;
1.376 nicm 913: struct window_pane *wp = server_client_get_pane(c);
1.309 nicm 914: u_int cx, cy, lines;
915:
916: lines = status_line_size(c);
917:
918: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
919: *ox = 0;
920: *oy = 0;
921: *sx = w->sx;
922: *sy = w->sy;
923:
924: c->pan_window = NULL;
925: return (0);
926: }
927:
928: *sx = tty->sx;
929: *sy = tty->sy - lines;
930:
931: if (c->pan_window == w) {
932: if (*sx >= w->sx)
933: c->pan_ox = 0;
934: else if (c->pan_ox + *sx > w->sx)
935: c->pan_ox = w->sx - *sx;
936: *ox = c->pan_ox;
937: if (*sy >= w->sy)
938: c->pan_oy = 0;
939: else if (c->pan_oy + *sy > w->sy)
940: c->pan_oy = w->sy - *sy;
941: *oy = c->pan_oy;
942: return (1);
943: }
944:
945: if (~wp->screen->mode & MODE_CURSOR) {
946: *ox = 0;
947: *oy = 0;
948: } else {
949: cx = wp->xoff + wp->screen->cx;
950: cy = wp->yoff + wp->screen->cy;
951:
952: if (cx < *sx)
953: *ox = 0;
954: else if (cx > w->sx - *sx)
955: *ox = w->sx - *sx;
956: else
957: *ox = cx - *sx / 2;
958:
959: if (cy < *sy)
960: *oy = 0;
961: else if (cy > w->sy - *sy)
962: *oy = w->sy - *sy;
963: else
964: *oy = cy - *sy / 2;
965: }
966:
967: c->pan_window = NULL;
968: return (1);
969: }
970:
971: /* Update stored offsets for a window and redraw if necessary. */
972: void
973: tty_update_window_offset(struct window *w)
974: {
975: struct client *c;
976:
977: TAILQ_FOREACH(c, &clients, entry) {
1.413 nicm 978: if (c->session != NULL &&
979: c->session->curw != NULL &&
980: c->session->curw->window == w)
1.309 nicm 981: tty_update_client_offset(c);
982: }
983: }
984:
985: /* Update stored offsets for a client and redraw if necessary. */
986: void
987: tty_update_client_offset(struct client *c)
1.304 nicm 988: {
1.309 nicm 989: u_int ox, oy, sx, sy;
1.314 nicm 990:
991: if (~c->flags & CLIENT_TERMINAL)
992: return;
1.304 nicm 993:
1.309 nicm 994: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
995: if (ox == c->tty.oox &&
996: oy == c->tty.ooy &&
997: sx == c->tty.osx &&
998: sy == c->tty.osy)
999: return;
1000:
1001: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
1002: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
1003: ox, oy, sx, sy);
1004:
1005: c->tty.oox = ox;
1006: c->tty.ooy = oy;
1007: c->tty.osx = sx;
1008: c->tty.osy = sy;
1009:
1010: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 1011: }
1012:
1.1 nicm 1013: /*
1.119 nicm 1014: * Is the region large enough to be worth redrawing once later rather than
1015: * probably several times now? Currently yes if it is more than 50% of the
1016: * pane.
1017: */
1.207 nicm 1018: static int
1.194 nicm 1019: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 1020: {
1.372 nicm 1021: return (ctx->orlower - ctx->orupper >= ctx->sy / 2);
1.119 nicm 1022: }
1023:
1024: /*
1.176 nicm 1025: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
1026: * emulated.
1027: */
1.207 nicm 1028: static int
1.373 nicm 1029: tty_fake_bce(const struct tty *tty, const struct grid_cell *gc, u_int bg)
1.176 nicm 1030: {
1.210 nicm 1031: if (tty_term_flag(tty->term, TTYC_BCE))
1032: return (0);
1.373 nicm 1033: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc->bg))
1.210 nicm 1034: return (1);
1035: return (0);
1.176 nicm 1036: }
1037:
1038: /*
1.1 nicm 1039: * Redraw scroll region using data from screen (already updated). Used when
1040: * CSR not supported, or window is a pane that doesn't take up the full
1041: * width of the terminal.
1042: */
1.207 nicm 1043: static void
1.24 nicm 1044: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1045: {
1.358 nicm 1046: struct client *c = tty->client;
1.204 nicm 1047: u_int i;
1.1 nicm 1048:
1049: /*
1.373 nicm 1050: * If region is large, schedule a redraw. In most cases this is likely
1051: * to be followed by some more scrolling.
1.1 nicm 1052: */
1.119 nicm 1053: if (tty_large_region(tty, ctx)) {
1.373 nicm 1054: log_debug("%s: %s large redraw", __func__, c->name);
1055: ctx->redraw_cb(ctx);
1.1 nicm 1056: return;
1057: }
1058:
1.393 nicm 1059: for (i = ctx->orupper; i <= ctx->orlower; i++)
1060: tty_draw_pane(tty, ctx, i);
1.1 nicm 1061: }
1062:
1.309 nicm 1063: /* Is this position visible in the pane? */
1064: static int
1.374 nicm 1065: tty_is_visible(__unused struct tty *tty, const struct tty_ctx *ctx, u_int px,
1066: u_int py, u_int nx, u_int ny)
1.309 nicm 1067: {
1.374 nicm 1068: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1069:
1070: if (!ctx->bigger)
1071: return (1);
1072:
1.372 nicm 1073: if (xoff + nx <= ctx->wox || xoff >= ctx->wox + ctx->wsx ||
1.374 nicm 1074: yoff + ny <= ctx->woy || yoff >= ctx->woy + ctx->wsy)
1.309 nicm 1075: return (0);
1076: return (1);
1077: }
1078:
1079: /* Clamp line position to visible part of pane. */
1080: static int
1081: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1082: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
1083: {
1.373 nicm 1084: u_int xoff = ctx->rxoff + px;
1.309 nicm 1085:
1086: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
1087: return (0);
1.372 nicm 1088: *ry = ctx->yoff + py - ctx->woy;
1.309 nicm 1089:
1.372 nicm 1090: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1091: /* All visible. */
1092: *i = 0;
1.372 nicm 1093: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1094: *rx = nx;
1.372 nicm 1095: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1096: /* Both left and right not visible. */
1.372 nicm 1097: *i = ctx->wox;
1.309 nicm 1098: *x = 0;
1.372 nicm 1099: *rx = ctx->wsx;
1100: } else if (xoff < ctx->wox) {
1.309 nicm 1101: /* Left not visible. */
1.372 nicm 1102: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1103: *x = 0;
1104: *rx = nx - *i;
1105: } else {
1106: /* Right not visible. */
1107: *i = 0;
1.372 nicm 1108: *x = (ctx->xoff + px) - ctx->wox;
1109: *rx = ctx->wsx - *x;
1.309 nicm 1110: }
1111: if (*rx > nx)
1112: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1113:
1114: return (1);
1115: }
1116:
1117: /* Clear a line. */
1.271 nicm 1118: static void
1.373 nicm 1119: tty_clear_line(struct tty *tty, const struct grid_cell *defaults, u_int py,
1120: u_int px, u_int nx, u_int bg)
1.271 nicm 1121: {
1.406 nicm 1122: struct client *c = tty->client;
1123: struct overlay_ranges r;
1124: u_int i;
1.309 nicm 1125:
1126: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1127:
1128: /* Nothing to clear. */
1129: if (nx == 0)
1130: return;
1131:
1132: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1133: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.271 nicm 1134: /* Off the end of the line, use EL if available. */
1135: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1136: tty_cursor(tty, px, py);
1137: tty_putcode(tty, TTYC_EL);
1138: return;
1139: }
1140:
1141: /* At the start of the line. Use EL1. */
1142: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1143: tty_cursor(tty, px + nx - 1, py);
1144: tty_putcode(tty, TTYC_EL1);
1145: return;
1146: }
1147:
1148: /* Section of line. Use ECH if possible. */
1149: if (tty_term_has(tty->term, TTYC_ECH)) {
1150: tty_cursor(tty, px, py);
1.430 nicm 1151: tty_putcode_i(tty, TTYC_ECH, nx);
1.271 nicm 1152: return;
1153: }
1154: }
1155:
1.394 nicm 1156: /*
1157: * Couldn't use an escape sequence, use spaces. Clear only the visible
1158: * bit if there is an overlay.
1159: */
1.406 nicm 1160: tty_check_overlay_range(tty, px, py, nx, &r);
1161: for (i = 0; i < OVERLAY_MAX_RANGES; i++) {
1162: if (r.nx[i] == 0)
1163: continue;
1164: tty_cursor(tty, r.px[i], py);
1165: tty_repeat_space(tty, r.nx[i]);
1.394 nicm 1166: }
1.271 nicm 1167: }
1168:
1.309 nicm 1169: /* Clear a line, adjusting to visible part of pane. */
1170: static void
1171: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1172: u_int px, u_int nx, u_int bg)
1173: {
1174: struct client *c = tty->client;
1175: u_int i, x, rx, ry;
1176:
1177: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1178:
1179: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1.373 nicm 1180: tty_clear_line(tty, &ctx->defaults, ry, x, rx, bg);
1.309 nicm 1181: }
1182:
1183: /* Clamp area position to visible part of pane. */
1184: static int
1185: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1186: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1187: u_int *ry)
1188: {
1.373 nicm 1189: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1190:
1191: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1192: return (0);
1193:
1.372 nicm 1194: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1195: /* All visible. */
1196: *i = 0;
1.372 nicm 1197: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1198: *rx = nx;
1.372 nicm 1199: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1200: /* Both left and right not visible. */
1.372 nicm 1201: *i = ctx->wox;
1.309 nicm 1202: *x = 0;
1.372 nicm 1203: *rx = ctx->wsx;
1204: } else if (xoff < ctx->wox) {
1.309 nicm 1205: /* Left not visible. */
1.372 nicm 1206: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1207: *x = 0;
1208: *rx = nx - *i;
1209: } else {
1210: /* Right not visible. */
1211: *i = 0;
1.372 nicm 1212: *x = (ctx->xoff + px) - ctx->wox;
1213: *rx = ctx->wsx - *x;
1.309 nicm 1214: }
1215: if (*rx > nx)
1216: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1217:
1.372 nicm 1218: if (yoff >= ctx->woy && yoff + ny <= ctx->woy + ctx->wsy) {
1.309 nicm 1219: /* All visible. */
1220: *j = 0;
1.372 nicm 1221: *y = ctx->yoff + py - ctx->woy;
1.309 nicm 1222: *ry = ny;
1.372 nicm 1223: } else if (yoff < ctx->woy && yoff + ny > ctx->woy + ctx->wsy) {
1.327 nicm 1224: /* Both top and bottom not visible. */
1.372 nicm 1225: *j = ctx->woy;
1.309 nicm 1226: *y = 0;
1.372 nicm 1227: *ry = ctx->wsy;
1228: } else if (yoff < ctx->woy) {
1.327 nicm 1229: /* Top not visible. */
1.372 nicm 1230: *j = ctx->woy - (ctx->yoff + py);
1.309 nicm 1231: *y = 0;
1232: *ry = ny - *j;
1233: } else {
1.327 nicm 1234: /* Bottom not visible. */
1.309 nicm 1235: *j = 0;
1.372 nicm 1236: *y = (ctx->yoff + py) - ctx->woy;
1237: *ry = ctx->wsy - *y;
1.309 nicm 1238: }
1239: if (*ry > ny)
1240: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1241:
1242: return (1);
1243: }
1244:
1245: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1246: static void
1.373 nicm 1247: tty_clear_area(struct tty *tty, const struct grid_cell *defaults, u_int py,
1248: u_int ny, u_int px, u_int nx, u_int bg)
1.271 nicm 1249: {
1.309 nicm 1250: struct client *c = tty->client;
1251: u_int yy;
1252: char tmp[64];
1.271 nicm 1253:
1.309 nicm 1254: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1255:
1256: /* Nothing to clear. */
1257: if (nx == 0 || ny == 0)
1258: return;
1259:
1260: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1261: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.276 nicm 1262: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1263: if (px == 0 &&
1264: px + nx >= tty->sx &&
1265: py + ny >= tty->sy &&
1266: tty_term_has(tty->term, TTYC_ED)) {
1267: tty_cursor(tty, 0, py);
1268: tty_putcode(tty, TTYC_ED);
1.274 nicm 1269: return;
1270: }
1271:
1272: /*
1.276 nicm 1273: * On VT420 compatible terminals we can use DECFRA if the
1274: * background colour isn't default (because it doesn't work
1275: * after SGR 0).
1.274 nicm 1276: */
1.359 nicm 1277: if ((tty->term->flags & TERM_DECFRA) && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1278: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1279: py + 1, px + 1, py + ny, px + nx);
1280: tty_puts(tty, tmp);
1.276 nicm 1281: return;
1282: }
1283:
1.280 nicm 1284: /* Full lines can be scrolled away to clear them. */
1285: if (px == 0 &&
1.281 nicm 1286: px + nx >= tty->sx &&
1.280 nicm 1287: ny > 2 &&
1288: tty_term_has(tty->term, TTYC_CSR) &&
1289: tty_term_has(tty->term, TTYC_INDN)) {
1290: tty_region(tty, py, py + ny - 1);
1291: tty_margin_off(tty);
1.430 nicm 1292: tty_putcode_i(tty, TTYC_INDN, ny);
1.280 nicm 1293: return;
1294: }
1295:
1.276 nicm 1296: /*
1297: * If margins are supported, can just scroll the area off to
1298: * clear it.
1299: */
1.277 nicm 1300: if (nx > 2 &&
1301: ny > 2 &&
1.280 nicm 1302: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1303: tty_use_margin(tty) &&
1304: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1305: tty_region(tty, py, py + ny - 1);
1306: tty_margin(tty, px, px + nx - 1);
1.430 nicm 1307: tty_putcode_i(tty, TTYC_INDN, ny);
1.271 nicm 1308: return;
1309: }
1310: }
1311:
1312: /* Couldn't use an escape sequence, loop over the lines. */
1313: for (yy = py; yy < py + ny; yy++)
1.373 nicm 1314: tty_clear_line(tty, defaults, yy, px, nx, bg);
1.271 nicm 1315: }
1316:
1.309 nicm 1317: /* Clear an area in a pane. */
1318: static void
1319: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1320: u_int ny, u_int px, u_int nx, u_int bg)
1321: {
1322: u_int i, j, x, y, rx, ry;
1323:
1324: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1.373 nicm 1325: tty_clear_area(tty, &ctx->defaults, y, ry, x, rx, bg);
1.309 nicm 1326: }
1327:
1328: static void
1329: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1330: {
1.373 nicm 1331: struct screen *s = ctx->s;
1332: u_int nx = ctx->sx, i, x, rx, ry;
1.309 nicm 1333:
1334: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1335:
1336: if (!ctx->bigger) {
1.373 nicm 1337: tty_draw_line(tty, s, 0, py, nx, ctx->xoff, ctx->yoff + py,
1338: &ctx->defaults, ctx->palette);
1.309 nicm 1339: return;
1340: }
1.373 nicm 1341: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry)) {
1342: tty_draw_line(tty, s, i, py, rx, x, ry, &ctx->defaults,
1343: ctx->palette);
1344: }
1.176 nicm 1345: }
1346:
1.298 nicm 1347: static const struct grid_cell *
1348: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1349: {
1350: static struct grid_cell new;
1.377 nicm 1351: int c;
1.298 nicm 1352:
1353: /* Characters less than 0x7f are always fine, no matter what. */
1354: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1355: return (gc);
1356:
1357: /* UTF-8 terminal and a UTF-8 character - fine. */
1.359 nicm 1358: if (tty->client->flags & CLIENT_UTF8)
1.298 nicm 1359: return (gc);
1.377 nicm 1360: memcpy(&new, gc, sizeof new);
1361:
1362: /* See if this can be mapped to an ACS character. */
1363: c = tty_acs_reverse_get(tty, gc->data.data, gc->data.size);
1364: if (c != -1) {
1365: utf8_set(&new.data, c);
1366: new.attr |= GRID_ATTR_CHARSET;
1367: return (&new);
1368: }
1.298 nicm 1369:
1370: /* Replace by the right number of underscores. */
1.377 nicm 1371: new.data.size = gc->data.width;
1372: if (new.data.size > UTF8_SIZE)
1373: new.data.size = UTF8_SIZE;
1374: memset(new.data.data, '_', new.data.size);
1.298 nicm 1375: return (&new);
1376: }
1377:
1.406 nicm 1378: /*
1379: * Check if a single character is obstructed by the overlay and return a
1380: * boolean.
1381: */
1.346 nicm 1382: static int
1383: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1384: {
1.406 nicm 1385: struct overlay_ranges r;
1386:
1387: /*
1388: * A unit width range will always return nx[2] == 0 from a check, even
1389: * with multiple overlays, so it's sufficient to check just the first
1390: * two entries.
1391: */
1392: tty_check_overlay_range(tty, px, py, 1, &r);
1393: if (r.nx[0] + r.nx[1] == 0)
1394: return (0);
1395: return (1);
1396: }
1397:
1398: /* Return parts of the input range which are visible. */
1399: static void
1400: tty_check_overlay_range(struct tty *tty, u_int px, u_int py, u_int nx,
1401: struct overlay_ranges *r)
1402: {
1.346 nicm 1403: struct client *c = tty->client;
1404:
1.406 nicm 1405: if (c->overlay_check == NULL) {
1406: r->px[0] = px;
1407: r->nx[0] = nx;
1408: r->px[1] = 0;
1409: r->nx[1] = 0;
1410: r->px[2] = 0;
1411: r->nx[2] = 0;
1412: return;
1413: }
1414:
1415: c->overlay_check(c, c->overlay_data, px, py, nx, r);
1.346 nicm 1416: }
1417:
1.176 nicm 1418: void
1.373 nicm 1419: tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
1.399 nicm 1420: u_int atx, u_int aty, const struct grid_cell *defaults,
1421: struct colour_palette *palette)
1.1 nicm 1422: {
1.297 nicm 1423: struct grid *gd = s->grid;
1.250 nicm 1424: struct grid_cell gc, last;
1.298 nicm 1425: const struct grid_cell *gcp;
1.309 nicm 1426: struct grid_line *gl;
1.394 nicm 1427: struct client *c = tty->client;
1.406 nicm 1428: struct overlay_ranges r;
1429: u_int i, j, ux, sx, width, hidden, eux, nxx;
1430: u_int cellsize;
1.396 nicm 1431: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1432: char buf[512];
1.315 nicm 1433: size_t len;
1.1 nicm 1434:
1.309 nicm 1435: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1436: px, py, nx, atx, aty);
1.399 nicm 1437: log_debug("%s: defaults: fg=%d, bg=%d", __func__, defaults->fg,
1438: defaults->bg);
1.309 nicm 1439:
1440: /*
1441: * py is the line in the screen to draw.
1442: * px is the start x and nx is the width to draw.
1443: * atx,aty is the line on the terminal to draw it.
1444: */
1445:
1.259 nicm 1446: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1447: tty->flags |= TTY_NOCURSOR;
1448: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1449:
1.214 nicm 1450: tty_region_off(tty);
1451: tty_margin_off(tty);
1452:
1.273 nicm 1453: /*
1454: * Clamp the width to cellsize - note this is not cellused, because
1455: * there may be empty background cells after it (from BCE).
1456: */
1.1 nicm 1457: sx = screen_size_x(s);
1.309 nicm 1458: if (nx > sx)
1459: nx = sx;
1.303 nicm 1460: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1461: if (sx > cellsize)
1462: sx = cellsize;
1.1 nicm 1463: if (sx > tty->sx)
1464: sx = tty->sx;
1.309 nicm 1465: if (sx > nx)
1466: sx = nx;
1.292 nicm 1467: ux = 0;
1.1 nicm 1468:
1.309 nicm 1469: if (py == 0)
1470: gl = NULL;
1471: else
1472: gl = grid_get_line(gd, gd->hsize + py - 1);
1.373 nicm 1473: if (gl == NULL ||
1.309 nicm 1474: (~gl->flags & GRID_LINE_WRAPPED) ||
1475: atx != 0 ||
1.268 nicm 1476: tty->cx < tty->sx ||
1.309 nicm 1477: nx < tty->sx) {
1478: if (nx < tty->sx &&
1479: atx == 0 &&
1480: px + sx != nx &&
1.268 nicm 1481: tty_term_has(tty->term, TTYC_EL1) &&
1.394 nicm 1482: !tty_fake_bce(tty, defaults, 8) &&
1483: c->overlay_check == NULL) {
1.421 nicm 1484: tty_default_attributes(tty, defaults, palette, 8,
1485: s->hyperlinks);
1.309 nicm 1486: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1487: tty_putcode(tty, TTYC_EL1);
1488: cleared = 1;
1489: }
1.329 nicm 1490: } else {
1.309 nicm 1491: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1492: wrapped = 1;
1493: }
1.250 nicm 1494:
1495: memcpy(&last, &grid_default_cell, sizeof last);
1496: len = 0;
1497: width = 0;
1.46 nicm 1498:
1.1 nicm 1499: for (i = 0; i < sx; i++) {
1.309 nicm 1500: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1501: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1502: if (len != 0 &&
1.346 nicm 1503: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1504: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1505: gcp->flags != last.flags ||
1506: gcp->attr != last.attr ||
1507: gcp->fg != last.fg ||
1508: gcp->bg != last.bg ||
1.328 nicm 1509: gcp->us != last.us ||
1.421 nicm 1510: gcp->link != last.link ||
1.315 nicm 1511: ux + width + gcp->data.width > nx ||
1.298 nicm 1512: (sizeof buf) - len < gcp->data.size)) {
1.421 nicm 1513: tty_attributes(tty, &last, defaults, palette,
1514: s->hyperlinks);
1.315 nicm 1515: if (last.flags & GRID_FLAG_CLEARED) {
1516: log_debug("%s: %zu cleared", __func__, len);
1.373 nicm 1517: tty_clear_line(tty, defaults, aty, atx + ux,
1518: width, last.bg);
1.315 nicm 1519: } else {
1.329 nicm 1520: if (!wrapped || atx != 0 || ux != 0)
1521: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1522: tty_putn(tty, buf, len, width);
1523: }
1.292 nicm 1524: ux += width;
1.250 nicm 1525:
1526: len = 0;
1527: width = 0;
1.329 nicm 1528: wrapped = 0;
1.250 nicm 1529: }
1530:
1.298 nicm 1531: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1532: screen_select_cell(s, &last, gcp);
1.250 nicm 1533: else
1.299 nicm 1534: memcpy(&last, gcp, sizeof last);
1.395 nicm 1535:
1.406 nicm 1536: tty_check_overlay_range(tty, atx + ux, aty, gcp->data.width,
1537: &r);
1.395 nicm 1538: hidden = 0;
1.406 nicm 1539: for (j = 0; j < OVERLAY_MAX_RANGES; j++)
1540: hidden += r.nx[j];
1541: hidden = gcp->data.width - hidden;
1.396 nicm 1542: if (hidden != 0 && hidden == gcp->data.width) {
1543: if (~gcp->flags & GRID_FLAG_PADDING)
1544: ux += gcp->data.width;
1545: } else if (hidden != 0 || ux + gcp->data.width > nx) {
1.395 nicm 1546: if (~gcp->flags & GRID_FLAG_PADDING) {
1.421 nicm 1547: tty_attributes(tty, &last, defaults, palette,
1548: s->hyperlinks);
1.406 nicm 1549: for (j = 0; j < OVERLAY_MAX_RANGES; j++) {
1550: if (r.nx[j] == 0)
1551: continue;
1552: /* Effective width drawn so far. */
1553: eux = r.px[j] - atx;
1554: if (eux < nx) {
1555: tty_cursor(tty, r.px[j], aty);
1556: nxx = nx - eux;
1557: if (r.nx[j] > nxx)
1558: r.nx[j] = nxx;
1559: tty_repeat_space(tty, r.nx[j]);
1560: ux = eux + r.nx[j];
1.397 nicm 1561: }
1.395 nicm 1562: }
1.297 nicm 1563: }
1.299 nicm 1564: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1.421 nicm 1565: tty_attributes(tty, &last, defaults, palette,
1566: s->hyperlinks);
1.315 nicm 1567: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1568: for (j = 0; j < gcp->data.size; j++)
1569: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1570: ux += gcp->data.width;
1.381 nicm 1571: } else if (~gcp->flags & GRID_FLAG_PADDING) {
1.298 nicm 1572: memcpy(buf + len, gcp->data.data, gcp->data.size);
1573: len += gcp->data.size;
1574: width += gcp->data.width;
1.250 nicm 1575: }
1576: }
1.315 nicm 1577: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.421 nicm 1578: tty_attributes(tty, &last, defaults, palette, s->hyperlinks);
1.315 nicm 1579: if (last.flags & GRID_FLAG_CLEARED) {
1580: log_debug("%s: %zu cleared (end)", __func__, len);
1.373 nicm 1581: tty_clear_line(tty, defaults, aty, atx + ux, width,
1582: last.bg);
1.315 nicm 1583: } else {
1.329 nicm 1584: if (!wrapped || atx != 0 || ux != 0)
1585: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1586: tty_putn(tty, buf, len, width);
1587: }
1.315 nicm 1588: ux += width;
1.1 nicm 1589: }
1590:
1.309 nicm 1591: if (!cleared && ux < nx) {
1.315 nicm 1592: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1593: nx - ux, len);
1.421 nicm 1594: tty_default_attributes(tty, defaults, palette, 8,
1595: s->hyperlinks);
1.373 nicm 1596: tty_clear_line(tty, defaults, aty, atx + ux, nx - ux, 8);
1.35 nicm 1597: }
1.1 nicm 1598:
1.181 nicm 1599: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1600: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1601: }
1602:
1.348 nicm 1603: void
1604: tty_sync_start(struct tty *tty)
1605: {
1.361 nicm 1606: if (tty->flags & TTY_BLOCK)
1607: return;
1608: if (tty->flags & TTY_SYNCING)
1609: return;
1610: tty->flags |= TTY_SYNCING;
1611:
1612: if (tty_term_has(tty->term, TTYC_SYNC)) {
1613: log_debug("%s sync start", tty->client->name);
1.430 nicm 1614: tty_putcode_i(tty, TTYC_SYNC, 1);
1.357 nicm 1615: }
1.348 nicm 1616: }
1617:
1618: void
1619: tty_sync_end(struct tty *tty)
1620: {
1.361 nicm 1621: if (tty->flags & TTY_BLOCK)
1622: return;
1623: if (~tty->flags & TTY_SYNCING)
1624: return;
1625: tty->flags &= ~TTY_SYNCING;
1626:
1627: if (tty_term_has(tty->term, TTYC_SYNC)) {
1628: log_debug("%s sync end", tty->client->name);
1.430 nicm 1629: tty_putcode_i(tty, TTYC_SYNC, 2);
1.357 nicm 1630: }
1.348 nicm 1631: }
1632:
1.201 nicm 1633: static int
1.428 nicm 1634: tty_client_ready(const struct tty_ctx *ctx, struct client *c)
1.182 nicm 1635: {
1636: if (c->session == NULL || c->tty.term == NULL)
1637: return (0);
1.428 nicm 1638: if (c->flags & CLIENT_SUSPENDED)
1639: return (0);
1640:
1641: /*
1642: * If invisible panes are allowed (used for passthrough), don't care if
1643: * redrawing or frozen.
1644: */
1645: if (ctx->allow_invisible_panes)
1646: return (1);
1647:
1648: if (c->flags & CLIENT_REDRAWWINDOW)
1.182 nicm 1649: return (0);
1650: if (c->tty.flags & TTY_FREEZE)
1651: return (0);
1652: return (1);
1653: }
1654:
1.15 nicm 1655: void
1.182 nicm 1656: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1657: struct tty_ctx *ctx)
1.15 nicm 1658: {
1.373 nicm 1659: struct client *c;
1660: int state;
1.15 nicm 1661:
1.373 nicm 1662: if (ctx->set_client_cb == NULL)
1.15 nicm 1663: return;
1.178 nicm 1664: TAILQ_FOREACH(c, &clients, entry) {
1.428 nicm 1665: if (tty_client_ready(ctx, c)) {
1.423 nicm 1666: state = ctx->set_client_cb(ctx, c);
1667: if (state == -1)
1668: break;
1669: if (state == 0)
1670: continue;
1.428 nicm 1671: cmdfn(&c->tty, ctx);
1.423 nicm 1672: }
1.1 nicm 1673: }
1674: }
1675:
1676: void
1.24 nicm 1677: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1678: {
1.394 nicm 1679: struct client *c = tty->client;
1680:
1.309 nicm 1681: if (ctx->bigger ||
1.372 nicm 1682: !tty_full_width(tty, ctx) ||
1.373 nicm 1683: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.210 nicm 1684: (!tty_term_has(tty->term, TTYC_ICH) &&
1.394 nicm 1685: !tty_term_has(tty->term, TTYC_ICH1)) ||
1686: c->overlay_check != NULL) {
1.309 nicm 1687: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1688: return;
1689: }
1690:
1.421 nicm 1691: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1692: ctx->s->hyperlinks);
1.1 nicm 1693:
1.77 nicm 1694: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1695:
1.206 nicm 1696: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1697: }
1698:
1699: void
1.24 nicm 1700: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1701: {
1.394 nicm 1702: struct client *c = tty->client;
1703:
1.309 nicm 1704: if (ctx->bigger ||
1.372 nicm 1705: !tty_full_width(tty, ctx) ||
1.373 nicm 1706: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.26 nicm 1707: (!tty_term_has(tty->term, TTYC_DCH) &&
1.394 nicm 1708: !tty_term_has(tty->term, TTYC_DCH1)) ||
1709: c->overlay_check != NULL) {
1.309 nicm 1710: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1711: return;
1712: }
1713:
1.421 nicm 1714: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1715: ctx->s->hyperlinks);
1.1 nicm 1716:
1.77 nicm 1717: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1718:
1.206 nicm 1719: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1720: }
1721:
1722: void
1723: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1724: {
1.421 nicm 1725: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1726: ctx->s->hyperlinks);
1.146 nicm 1727:
1.388 nicm 1728: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, ctx->num, ctx->bg);
1.1 nicm 1729: }
1730:
1731: void
1.24 nicm 1732: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1733: {
1.394 nicm 1734: struct client *c = tty->client;
1735:
1.309 nicm 1736: if (ctx->bigger ||
1.372 nicm 1737: !tty_full_width(tty, ctx) ||
1.373 nicm 1738: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.77 nicm 1739: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1740: !tty_term_has(tty->term, TTYC_IL1) ||
1.373 nicm 1741: ctx->sx == 1 ||
1.394 nicm 1742: ctx->sy == 1 ||
1743: c->overlay_check != NULL) {
1.14 nicm 1744: tty_redraw_region(tty, ctx);
1.1 nicm 1745: return;
1746: }
1747:
1.421 nicm 1748: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1749: ctx->s->hyperlinks);
1.1 nicm 1750:
1.77 nicm 1751: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1752: tty_margin_off(tty);
1.77 nicm 1753: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1754:
1.12 nicm 1755: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1756: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1757: }
1758:
1759: void
1.24 nicm 1760: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1761: {
1.394 nicm 1762: struct client *c = tty->client;
1763:
1.309 nicm 1764: if (ctx->bigger ||
1.372 nicm 1765: !tty_full_width(tty, ctx) ||
1.373 nicm 1766: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.72 nicm 1767: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1768: !tty_term_has(tty->term, TTYC_DL1) ||
1.373 nicm 1769: ctx->sx == 1 ||
1.394 nicm 1770: ctx->sy == 1 ||
1771: c->overlay_check != NULL) {
1.14 nicm 1772: tty_redraw_region(tty, ctx);
1.1 nicm 1773: return;
1774: }
1775:
1.421 nicm 1776: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1777: ctx->s->hyperlinks);
1.1 nicm 1778:
1.77 nicm 1779: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1780: tty_margin_off(tty);
1.77 nicm 1781: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1782:
1.12 nicm 1783: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1784: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1785: }
1786:
1787: void
1.24 nicm 1788: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1789: {
1.421 nicm 1790: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1791: ctx->s->hyperlinks);
1.1 nicm 1792:
1.372 nicm 1793: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->sx, ctx->bg);
1.1 nicm 1794: }
1795:
1796: void
1.24 nicm 1797: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1798: {
1.373 nicm 1799: u_int nx = ctx->sx - ctx->ocx;
1.1 nicm 1800:
1.421 nicm 1801: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1802: ctx->s->hyperlinks);
1.1 nicm 1803:
1.309 nicm 1804: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1805: }
1806:
1807: void
1.24 nicm 1808: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1809: {
1.421 nicm 1810: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1811: ctx->s->hyperlinks);
1.1 nicm 1812:
1.309 nicm 1813: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1814: }
1815:
1816: void
1.24 nicm 1817: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1818: {
1.394 nicm 1819: struct client *c = tty->client;
1820:
1.56 nicm 1821: if (ctx->ocy != ctx->orupper)
1822: return;
1823:
1.309 nicm 1824: if (ctx->bigger ||
1.372 nicm 1825: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1826: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.70 nicm 1827: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1828: (!tty_term_has(tty->term, TTYC_RI) &&
1829: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1830: ctx->sx == 1 ||
1.394 nicm 1831: ctx->sy == 1 ||
1832: c->overlay_check != NULL) {
1.14 nicm 1833: tty_redraw_region(tty, ctx);
1.1 nicm 1834: return;
1835: }
1836:
1.421 nicm 1837: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1838: ctx->s->hyperlinks);
1.77 nicm 1839:
1.56 nicm 1840: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1841: tty_margin_pane(tty, ctx);
1.56 nicm 1842: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1843:
1.331 nicm 1844: if (tty_term_has(tty->term, TTYC_RI))
1845: tty_putcode(tty, TTYC_RI);
1846: else
1.430 nicm 1847: tty_putcode_i(tty, TTYC_RIN, 1);
1.1 nicm 1848: }
1849:
1850: void
1.24 nicm 1851: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1852: {
1.394 nicm 1853: struct client *c = tty->client;
1854:
1.56 nicm 1855: if (ctx->ocy != ctx->orlower)
1856: return;
1857:
1.309 nicm 1858: if (ctx->bigger ||
1.372 nicm 1859: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1860: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1861: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1862: ctx->sx == 1 ||
1.394 nicm 1863: ctx->sy == 1 ||
1864: c->overlay_check != NULL) {
1.236 nicm 1865: tty_redraw_region(tty, ctx);
1.1 nicm 1866: return;
1867: }
1.52 nicm 1868:
1.421 nicm 1869: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1870: ctx->s->hyperlinks);
1.77 nicm 1871:
1.56 nicm 1872: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1873: tty_margin_pane(tty, ctx);
1874:
1875: /*
1.301 nicm 1876: * If we want to wrap a pane while using margins, the cursor needs to
1877: * be exactly on the right of the region. If the cursor is entirely off
1878: * the edge - move it back to the right. Some terminals are funny about
1879: * this and insert extra spaces, so only use the right if margins are
1880: * enabled.
1.212 nicm 1881: */
1.301 nicm 1882: if (ctx->xoff + ctx->ocx > tty->rright) {
1883: if (!tty_use_margin(tty))
1884: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1885: else
1886: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1887: } else
1.212 nicm 1888: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1889:
1.56 nicm 1890: tty_putc(tty, '\n');
1.240 nicm 1891: }
1892:
1893: void
1894: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1895: {
1.394 nicm 1896: struct client *c = tty->client;
1897: u_int i;
1.240 nicm 1898:
1.309 nicm 1899: if (ctx->bigger ||
1.372 nicm 1900: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1901: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1902: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1903: ctx->sx == 1 ||
1.394 nicm 1904: ctx->sy == 1 ||
1905: c->overlay_check != NULL) {
1.240 nicm 1906: tty_redraw_region(tty, ctx);
1907: return;
1908: }
1909:
1.421 nicm 1910: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1911: ctx->s->hyperlinks);
1.240 nicm 1912:
1913: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1914: tty_margin_pane(tty, ctx);
1915:
1.284 nicm 1916: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1917: if (!tty_use_margin(tty))
1918: tty_cursor(tty, 0, tty->rlower);
1919: else
1920: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1921: for (i = 0; i < ctx->num; i++)
1.240 nicm 1922: tty_putc(tty, '\n');
1.301 nicm 1923: } else {
1.353 nicm 1924: if (tty->cy == UINT_MAX)
1925: tty_cursor(tty, 0, 0);
1926: else
1927: tty_cursor(tty, 0, tty->cy);
1.430 nicm 1928: tty_putcode_i(tty, TTYC_INDN, ctx->num);
1.331 nicm 1929: }
1930: }
1931:
1932: void
1933: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1934: {
1.394 nicm 1935: u_int i;
1936: struct client *c = tty->client;
1.331 nicm 1937:
1938: if (ctx->bigger ||
1.372 nicm 1939: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1940: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.331 nicm 1941: !tty_term_has(tty->term, TTYC_CSR) ||
1942: (!tty_term_has(tty->term, TTYC_RI) &&
1943: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1944: ctx->sx == 1 ||
1.394 nicm 1945: ctx->sy == 1 ||
1946: c->overlay_check != NULL) {
1.331 nicm 1947: tty_redraw_region(tty, ctx);
1948: return;
1949: }
1950:
1.421 nicm 1951: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1952: ctx->s->hyperlinks);
1.331 nicm 1953:
1954: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1955: tty_margin_pane(tty, ctx);
1956: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1957:
1958: if (tty_term_has(tty->term, TTYC_RIN))
1.430 nicm 1959: tty_putcode_i(tty, TTYC_RIN, ctx->num);
1.331 nicm 1960: else {
1961: for (i = 0; i < ctx->num; i++)
1962: tty_putcode(tty, TTYC_RI);
1.301 nicm 1963: }
1.1 nicm 1964: }
1965:
1966: void
1.24 nicm 1967: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1968: {
1.373 nicm 1969: u_int px, py, nx, ny;
1.1 nicm 1970:
1.421 nicm 1971: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1972: ctx->s->hyperlinks);
1.1 nicm 1973:
1.372 nicm 1974: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1975: tty_margin_off(tty);
1.39 nicm 1976:
1.309 nicm 1977: px = 0;
1.372 nicm 1978: nx = ctx->sx;
1.309 nicm 1979: py = ctx->ocy + 1;
1.372 nicm 1980: ny = ctx->sy - ctx->ocy - 1;
1.271 nicm 1981:
1.309 nicm 1982: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1983:
1.309 nicm 1984: px = ctx->ocx;
1.372 nicm 1985: nx = ctx->sx - ctx->ocx;
1.309 nicm 1986: py = ctx->ocy;
1.271 nicm 1987:
1.309 nicm 1988: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1989: }
1990:
1991: void
1.24 nicm 1992: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1993: {
1.373 nicm 1994: u_int px, py, nx, ny;
1.1 nicm 1995:
1.421 nicm 1996: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1997: ctx->s->hyperlinks);
1.1 nicm 1998:
1.372 nicm 1999: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 2000: tty_margin_off(tty);
1.39 nicm 2001:
1.309 nicm 2002: px = 0;
1.372 nicm 2003: nx = ctx->sx;
1.309 nicm 2004: py = 0;
1.319 nicm 2005: ny = ctx->ocy;
1.271 nicm 2006:
1.309 nicm 2007: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 2008:
1.309 nicm 2009: px = 0;
1.271 nicm 2010: nx = ctx->ocx + 1;
1.309 nicm 2011: py = ctx->ocy;
1.271 nicm 2012:
1.309 nicm 2013: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 2014: }
2015:
2016: void
1.24 nicm 2017: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 2018: {
1.373 nicm 2019: u_int px, py, nx, ny;
1.1 nicm 2020:
1.421 nicm 2021: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
2022: ctx->s->hyperlinks);
1.1 nicm 2023:
1.372 nicm 2024: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 2025: tty_margin_off(tty);
1.39 nicm 2026:
1.309 nicm 2027: px = 0;
1.372 nicm 2028: nx = ctx->sx;
1.309 nicm 2029: py = 0;
1.372 nicm 2030: ny = ctx->sy;
1.271 nicm 2031:
1.309 nicm 2032: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 2033: }
2034:
2035: void
1.24 nicm 2036: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 2037: {
1.373 nicm 2038: u_int i, j;
1.4 nicm 2039:
1.309 nicm 2040: if (ctx->bigger) {
1.373 nicm 2041: ctx->redraw_cb(ctx);
1.309 nicm 2042: return;
2043: }
2044:
1.421 nicm 2045: tty_attributes(tty, &grid_default_cell, &ctx->defaults, ctx->palette,
2046: ctx->s->hyperlinks);
1.4 nicm 2047:
1.372 nicm 2048: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 2049: tty_margin_off(tty);
1.4 nicm 2050:
1.372 nicm 2051: for (j = 0; j < ctx->sy; j++) {
1.41 nicm 2052: tty_cursor_pane(tty, ctx, 0, j);
1.372 nicm 2053: for (i = 0; i < ctx->sx; i++)
1.4 nicm 2054: tty_putc(tty, 'E');
1.1 nicm 2055: }
2056: }
2057:
2058: void
1.24 nicm 2059: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 2060: {
1.394 nicm 2061: const struct grid_cell *gcp = ctx->cell;
2062: struct screen *s = ctx->s;
1.406 nicm 2063: struct overlay_ranges r;
2064: u_int px, py, i, vis = 0;
1.394 nicm 2065:
2066: px = ctx->xoff + ctx->ocx - ctx->wox;
2067: py = ctx->yoff + ctx->ocy - ctx->woy;
2068: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1) ||
2069: (gcp->data.width == 1 && !tty_check_overlay(tty, px, py)))
2070: return;
2071:
2072: /* Handle partially obstructed wide characters. */
2073: if (gcp->data.width > 1) {
1.406 nicm 2074: tty_check_overlay_range(tty, px, py, gcp->data.width, &r);
2075: for (i = 0; i < OVERLAY_MAX_RANGES; i++)
2076: vis += r.nx[i];
2077: if (vis < gcp->data.width) {
1.408 nicm 2078: tty_draw_line(tty, s, s->cx, s->cy, gcp->data.width,
2079: px, py, &ctx->defaults, ctx->palette);
2080: return;
1.394 nicm 2081: }
2082: }
1.309 nicm 2083:
1.372 nicm 2084: if (ctx->xoff + ctx->ocx - ctx->wox > tty->sx - 1 &&
1.306 nicm 2085: ctx->ocy == ctx->orlower &&
1.372 nicm 2086: tty_full_width(tty, ctx))
1.306 nicm 2087: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 2088:
1.306 nicm 2089: tty_margin_off(tty);
1.253 nicm 2090: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 2091:
1.421 nicm 2092: tty_cell(tty, ctx->cell, &ctx->defaults, ctx->palette,
2093: ctx->s->hyperlinks);
1.239 nicm 2094: }
2095:
2096: void
2097: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
2098: {
1.407 nicm 2099: struct overlay_ranges r;
2100: u_int i, px, py, cx;
2101: char *cp = ctx->ptr;
1.394 nicm 2102:
1.309 nicm 2103: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
2104: return;
2105:
2106: if (ctx->bigger &&
1.372 nicm 2107: (ctx->xoff + ctx->ocx < ctx->wox ||
2108: ctx->xoff + ctx->ocx + ctx->num > ctx->wox + ctx->wsx)) {
1.309 nicm 2109: if (!ctx->wrapped ||
1.372 nicm 2110: !tty_full_width(tty, ctx) ||
1.382 nicm 2111: (tty->term->flags & TERM_NOAM) ||
1.309 nicm 2112: ctx->xoff + ctx->ocx != 0 ||
2113: ctx->yoff + ctx->ocy != tty->cy + 1 ||
2114: tty->cx < tty->sx ||
2115: tty->cy == tty->rlower)
2116: tty_draw_pane(tty, ctx, ctx->ocy);
2117: else
1.373 nicm 2118: ctx->redraw_cb(ctx);
1.309 nicm 2119: return;
2120: }
2121:
1.306 nicm 2122: tty_margin_off(tty);
1.253 nicm 2123: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.421 nicm 2124: tty_attributes(tty, ctx->cell, &ctx->defaults, ctx->palette, ctx->s->hyperlinks);
1.239 nicm 2125:
1.407 nicm 2126: /* Get tty position from pane position for overlay check. */
2127: px = ctx->xoff + ctx->ocx - ctx->wox;
2128: py = ctx->yoff + ctx->ocy - ctx->woy;
2129:
2130: tty_check_overlay_range(tty, px, py, ctx->num, &r);
1.406 nicm 2131: for (i = 0; i < OVERLAY_MAX_RANGES; i++) {
2132: if (r.nx[i] == 0)
2133: continue;
1.407 nicm 2134: /* Convert back to pane position for printing. */
2135: cx = r.px[i] - ctx->xoff + ctx->wox;
2136: tty_cursor_pane_unless_wrap(tty, ctx, cx, ctx->ocy);
2137: tty_putn(tty, cp + r.px[i] - px, r.nx[i], r.nx[i]);
1.394 nicm 2138: }
1.106 nicm 2139: }
2140:
2141: void
2142: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
2143: {
1.420 nicm 2144: tty_set_selection(tty, ctx->ptr2, ctx->ptr, ctx->num);
1.383 nicm 2145: }
2146:
2147: void
1.420 nicm 2148: tty_set_selection(struct tty *tty, const char *flags, const char *buf,
2149: size_t len)
1.383 nicm 2150: {
2151: char *encoded;
2152: size_t size;
1.106 nicm 2153:
1.384 nicm 2154: if (~tty->flags & TTY_STARTED)
2155: return;
1.106 nicm 2156: if (!tty_term_has(tty->term, TTYC_MS))
1.383 nicm 2157: return;
1.106 nicm 2158:
1.383 nicm 2159: size = 4 * ((len + 2) / 3) + 1; /* storage for base64 */
2160: encoded = xmalloc(size);
1.106 nicm 2161:
1.383 nicm 2162: b64_ntop(buf, len, encoded, size);
1.414 nicm 2163: tty->flags |= TTY_NOBLOCK;
1.430 nicm 2164: tty_putcode_ss(tty, TTYC_MS, flags, encoded);
1.106 nicm 2165:
1.383 nicm 2166: free(encoded);
1.100 nicm 2167: }
2168:
2169: void
2170: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
2171: {
1.414 nicm 2172: tty->flags |= TTY_NOBLOCK;
1.256 nicm 2173: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 2174: tty_invalidate(tty);
1.348 nicm 2175: }
2176:
2177: void
1.402 nicm 2178: tty_cmd_syncstart(struct tty *tty, const struct tty_ctx *ctx)
1.348 nicm 2179: {
1.402 nicm 2180: if (ctx->num == 0x11) {
2181: /*
1.403 nicm 2182: * This is an overlay and a command that moves the cursor so
1.402 nicm 2183: * start synchronized updates.
2184: */
2185: tty_sync_start(tty);
2186: } else if (~ctx->num & 0x10) {
2187: /*
2188: * This is a pane. If there is an overlay, always start;
2189: * otherwise, only if requested.
2190: */
2191: if (ctx->num || tty->client->overlay_draw != NULL)
2192: tty_sync_start(tty);
2193: }
1.1 nicm 2194: }
2195:
1.377 nicm 2196: void
1.373 nicm 2197: tty_cell(struct tty *tty, const struct grid_cell *gc,
1.421 nicm 2198: const struct grid_cell *defaults, struct colour_palette *palette,
2199: struct hyperlinks *hl)
1.1 nicm 2200: {
1.298 nicm 2201: const struct grid_cell *gcp;
1.1 nicm 2202:
2203: /* Skip last character if terminal is stupid. */
1.382 nicm 2204: if ((tty->term->flags & TERM_NOAM) &&
1.211 nicm 2205: tty->cy == tty->sy - 1 &&
2206: tty->cx == tty->sx - 1)
1.1 nicm 2207: return;
2208:
2209: /* If this is a padding character, do nothing. */
2210: if (gc->flags & GRID_FLAG_PADDING)
2211: return;
2212:
1.377 nicm 2213: /* Check the output codeset and apply attributes. */
2214: gcp = tty_check_codeset(tty, gc);
1.421 nicm 2215: tty_attributes(tty, gcp, defaults, palette, hl);
1.1 nicm 2216:
1.377 nicm 2217: /* If it is a single character, write with putc to handle ACS. */
1.298 nicm 2218: if (gcp->data.size == 1) {
1.421 nicm 2219: tty_attributes(tty, gcp, defaults, palette, hl);
1.298 nicm 2220: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 2221: return;
1.298 nicm 2222: tty_putc(tty, *gcp->data.data);
1.1 nicm 2223: return;
2224: }
2225:
1.147 nicm 2226: /* Write the data. */
1.298 nicm 2227: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 2228: }
2229:
2230: void
2231: tty_reset(struct tty *tty)
2232: {
2233: struct grid_cell *gc = &tty->cell;
2234:
1.228 nicm 2235: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.421 nicm 2236: if (gc->link != 0)
1.430 nicm 2237: tty_putcode_ss(tty, TTYC_HLS, "", "");
1.285 nicm 2238: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 2239: tty_putcode(tty, TTYC_RMACS);
2240: tty_putcode(tty, TTYC_SGR0);
2241: memcpy(gc, &grid_default_cell, sizeof *gc);
2242: }
2243: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1.242 nicm 2244: }
2245:
2246: static void
2247: tty_invalidate(struct tty *tty)
2248: {
2249: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
2250: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
2251:
2252: tty->cx = tty->cy = UINT_MAX;
2253: tty->rupper = tty->rleft = UINT_MAX;
2254: tty->rlower = tty->rright = UINT_MAX;
2255:
2256: if (tty->flags & TTY_STARTED) {
1.330 nicm 2257: if (tty_use_margin(tty))
1.365 nicm 2258: tty_putcode(tty, TTYC_ENMG);
1.242 nicm 2259: tty_putcode(tty, TTYC_SGR0);
2260:
2261: tty->mode = ALL_MODES;
2262: tty_update_mode(tty, MODE_CURSOR, NULL);
2263:
2264: tty_cursor(tty, 0, 0);
2265: tty_region_off(tty);
2266: tty_margin_off(tty);
2267: } else
2268: tty->mode = MODE_CURSOR;
1.1 nicm 2269: }
2270:
1.214 nicm 2271: /* Turn off margin. */
2272: void
2273: tty_region_off(struct tty *tty)
2274: {
2275: tty_region(tty, 0, tty->sy - 1);
2276: }
2277:
1.40 nicm 2278: /* Set region inside pane. */
1.208 nicm 2279: static void
1.196 nicm 2280: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
2281: u_int rlower)
1.1 nicm 2282: {
1.372 nicm 2283: tty_region(tty, ctx->yoff + rupper - ctx->woy,
2284: ctx->yoff + rlower - ctx->woy);
1.39 nicm 2285: }
2286:
1.40 nicm 2287: /* Set region at absolute position. */
1.214 nicm 2288: static void
1.40 nicm 2289: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2290: {
2291: if (tty->rlower == rlower && tty->rupper == rupper)
2292: return;
1.1 nicm 2293: if (!tty_term_has(tty->term, TTYC_CSR))
2294: return;
1.39 nicm 2295:
2296: tty->rupper = rupper;
2297: tty->rlower = rlower;
1.55 nicm 2298:
2299: /*
2300: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2301: * 0,0 if it is beyond the last column (they do not reset their wrap
2302: * flag so further output causes a line feed). As a workaround, do an
2303: * explicit move to 0 first.
2304: */
1.353 nicm 2305: if (tty->cx >= tty->sx) {
2306: if (tty->cy == UINT_MAX)
2307: tty_cursor(tty, 0, 0);
2308: else
2309: tty_cursor(tty, 0, tty->cy);
2310: }
1.42 nicm 2311:
1.430 nicm 2312: tty_putcode_ii(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2313: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2314: }
2315:
1.214 nicm 2316: /* Turn off margin. */
2317: void
2318: tty_margin_off(struct tty *tty)
2319: {
2320: tty_margin(tty, 0, tty->sx - 1);
2321: }
2322:
1.212 nicm 2323: /* Set margin inside pane. */
2324: static void
2325: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2326: {
1.372 nicm 2327: tty_margin(tty, ctx->xoff - ctx->wox,
1.373 nicm 2328: ctx->xoff + ctx->sx - 1 - ctx->wox);
1.212 nicm 2329: }
2330:
2331: /* Set margin at absolute position. */
1.214 nicm 2332: static void
1.212 nicm 2333: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2334: {
2335: if (!tty_use_margin(tty))
2336: return;
2337: if (tty->rleft == rleft && tty->rright == rright)
2338: return;
2339:
1.430 nicm 2340: tty_putcode_ii(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2341:
1.212 nicm 2342: tty->rleft = rleft;
2343: tty->rright = rright;
2344:
1.232 nicm 2345: if (rleft == 0 && rright == tty->sx - 1)
1.365 nicm 2346: tty_putcode(tty, TTYC_CLMG);
1.232 nicm 2347: else
1.430 nicm 2348: tty_putcode_ii(tty, TTYC_CMG, rleft, rright);
1.249 nicm 2349: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2350: }
2351:
2352: /*
2353: * Move the cursor, unless it would wrap itself when the next character is
2354: * printed.
2355: */
2356: static void
2357: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2358: u_int cx, u_int cy)
2359: {
1.268 nicm 2360: if (!ctx->wrapped ||
1.372 nicm 2361: !tty_full_width(tty, ctx) ||
1.382 nicm 2362: (tty->term->flags & TERM_NOAM) ||
1.253 nicm 2363: ctx->xoff + cx != 0 ||
2364: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2365: tty->cx < tty->sx ||
2366: tty->cy == tty->rlower)
1.253 nicm 2367: tty_cursor_pane(tty, ctx, cx, cy);
2368: else
2369: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2370: }
2371:
1.42 nicm 2372: /* Move cursor inside pane. */
1.208 nicm 2373: static void
1.41 nicm 2374: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2375: {
1.372 nicm 2376: tty_cursor(tty, ctx->xoff + cx - ctx->wox, ctx->yoff + cy - ctx->woy);
1.41 nicm 2377: }
2378:
1.42 nicm 2379: /* Move cursor to absolute position. */
1.41 nicm 2380: void
2381: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2382: {
1.42 nicm 2383: struct tty_term *term = tty->term;
2384: u_int thisx, thisy;
2385: int change;
1.354 nicm 2386:
2387: if (tty->flags & TTY_BLOCK)
2388: return;
1.77 nicm 2389:
1.42 nicm 2390: thisx = tty->cx;
2391: thisy = tty->cy;
2392:
1.409 nicm 2393: /*
2394: * If in the automargin space, and want to be there, do not move.
2395: * Otherwise, force the cursor to be in range (and complain).
2396: */
2397: if (cx == thisx && cy == thisy && cx == tty->sx)
2398: return;
2399: if (cx > tty->sx - 1) {
2400: log_debug("%s: x too big %u > %u", __func__, cx, tty->sx - 1);
2401: cx = tty->sx - 1;
2402: }
2403:
1.42 nicm 2404: /* No change. */
2405: if (cx == thisx && cy == thisy)
2406: return;
2407:
1.409 nicm 2408: /* Currently at the very end of the line - use absolute movement. */
1.43 nicm 2409: if (thisx > tty->sx - 1)
2410: goto absolute;
2411:
1.42 nicm 2412: /* Move to home position (0, 0). */
2413: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2414: tty_putcode(tty, TTYC_HOME);
2415: goto out;
2416: }
2417:
2418: /* Zero on the next line. */
1.293 nicm 2419: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2420: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2421: tty_putc(tty, '\r');
1.42 nicm 2422: tty_putc(tty, '\n');
2423: goto out;
2424: }
2425:
1.45 nicm 2426: /* Moving column or row. */
1.42 nicm 2427: if (cy == thisy) {
1.45 nicm 2428: /*
2429: * Moving column only, row staying the same.
2430: */
2431:
1.42 nicm 2432: /* To left edge. */
1.294 nicm 2433: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2434: tty_putc(tty, '\r');
2435: goto out;
2436: }
2437:
2438: /* One to the left. */
2439: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2440: tty_putcode(tty, TTYC_CUB1);
2441: goto out;
2442: }
2443:
2444: /* One to the right. */
2445: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2446: tty_putcode(tty, TTYC_CUF1);
2447: goto out;
2448: }
2449:
2450: /* Calculate difference. */
2451: change = thisx - cx; /* +ve left, -ve right */
2452:
2453: /*
2454: * Use HPA if change is larger than absolute, otherwise move
2455: * the cursor with CUB/CUF.
2456: */
1.87 nicm 2457: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.430 nicm 2458: tty_putcode_i(tty, TTYC_HPA, cx);
1.42 nicm 2459: goto out;
1.333 nicm 2460: } else if (change > 0 &&
2461: tty_term_has(term, TTYC_CUB) &&
2462: !tty_use_margin(tty)) {
1.202 nicm 2463: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2464: tty_putcode(tty, TTYC_CUB1);
2465: tty_putcode(tty, TTYC_CUB1);
2466: goto out;
2467: }
1.430 nicm 2468: tty_putcode_i(tty, TTYC_CUB, change);
1.42 nicm 2469: goto out;
1.333 nicm 2470: } else if (change < 0 &&
2471: tty_term_has(term, TTYC_CUF) &&
2472: !tty_use_margin(tty)) {
1.430 nicm 2473: tty_putcode_i(tty, TTYC_CUF, -change);
1.42 nicm 2474: goto out;
2475: }
1.45 nicm 2476: } else if (cx == thisx) {
2477: /*
2478: * Moving row only, column staying the same.
2479: */
1.42 nicm 2480:
2481: /* One above. */
1.77 nicm 2482: if (thisy != tty->rupper &&
1.42 nicm 2483: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2484: tty_putcode(tty, TTYC_CUU1);
2485: goto out;
2486: }
2487:
2488: /* One below. */
1.49 nicm 2489: if (thisy != tty->rlower &&
1.42 nicm 2490: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2491: tty_putcode(tty, TTYC_CUD1);
2492: goto out;
2493: }
2494:
2495: /* Calculate difference. */
2496: change = thisy - cy; /* +ve up, -ve down */
2497:
2498: /*
1.77 nicm 2499: * Try to use VPA if change is larger than absolute or if this
2500: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2501: */
1.87 nicm 2502: if ((u_int) abs(change) > cy ||
1.42 nicm 2503: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2504: (change > 0 && cy - change < tty->rupper)) {
2505: if (tty_term_has(term, TTYC_VPA)) {
1.430 nicm 2506: tty_putcode_i(tty, TTYC_VPA, cy);
1.44 nicm 2507: goto out;
2508: }
1.42 nicm 2509: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1.430 nicm 2510: tty_putcode_i(tty, TTYC_CUU, change);
1.42 nicm 2511: goto out;
2512: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1.430 nicm 2513: tty_putcode_i(tty, TTYC_CUD, -change);
1.42 nicm 2514: goto out;
2515: }
2516: }
2517:
1.43 nicm 2518: absolute:
1.42 nicm 2519: /* Absolute movement. */
1.430 nicm 2520: tty_putcode_ii(tty, TTYC_CUP, cy, cx);
1.42 nicm 2521:
2522: out:
2523: tty->cx = cx;
2524: tty->cy = cy;
1.1 nicm 2525: }
2526:
1.421 nicm 2527: static void
2528: tty_hyperlink(struct tty *tty, const struct grid_cell *gc,
2529: struct hyperlinks *hl)
2530: {
2531: const char *uri, *id;
2532:
2533: if (gc->link == tty->cell.link)
2534: return;
2535: tty->cell.link = gc->link;
2536:
2537: if (hl == NULL)
2538: return;
2539:
1.422 nicm 2540: if (gc->link == 0 || !hyperlinks_get(hl, gc->link, &uri, NULL, &id))
1.430 nicm 2541: tty_putcode_ss(tty, TTYC_HLS, "", "");
1.421 nicm 2542: else
1.430 nicm 2543: tty_putcode_ss(tty, TTYC_HLS, id, uri);
1.421 nicm 2544: }
2545:
1.1 nicm 2546: void
1.176 nicm 2547: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.421 nicm 2548: const struct grid_cell *defaults, struct colour_palette *palette,
2549: struct hyperlinks *hl)
1.1 nicm 2550: {
1.63 nicm 2551: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2552: int changed;
1.61 nicm 2553:
1.373 nicm 2554: /* Copy cell and update default colours. */
2555: memcpy(&gc2, gc, sizeof gc2);
1.399 nicm 2556: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2557: if (gc2.fg == 8)
2558: gc2.fg = defaults->fg;
2559: if (gc2.bg == 8)
2560: gc2.bg = defaults->bg;
2561: }
1.373 nicm 2562:
1.228 nicm 2563: /* Ignore cell if it is the same as the last one. */
1.373 nicm 2564: if (gc2.attr == tty->last_cell.attr &&
2565: gc2.fg == tty->last_cell.fg &&
2566: gc2.bg == tty->last_cell.bg &&
1.421 nicm 2567: gc2.us == tty->last_cell.us &&
2568: gc2.link == tty->last_cell.link)
1.228 nicm 2569: return;
1.63 nicm 2570:
1.18 nicm 2571: /*
2572: * If no setab, try to use the reverse attribute as a best-effort for a
2573: * non-default background. This is a bit of a hack but it doesn't do
2574: * any serious harm and makes a couple of applications happier.
2575: */
2576: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2577: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2578: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2579: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2580: } else {
1.310 nicm 2581: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2582: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2583: }
2584: }
1.1 nicm 2585:
1.85 nicm 2586: /* Fix up the colours if necessary. */
1.373 nicm 2587: tty_check_fg(tty, palette, &gc2);
2588: tty_check_bg(tty, palette, &gc2);
2589: tty_check_us(tty, palette, &gc2);
1.85 nicm 2590:
1.328 nicm 2591: /*
2592: * If any bits are being cleared or the underline colour is now default,
2593: * reset everything.
2594: */
2595: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2596: tty_reset(tty);
2597:
2598: /*
2599: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2600: * may add to (NOT remove) the desired attributes.
1.64 nicm 2601: */
1.85 nicm 2602: tty_colours(tty, &gc2);
1.64 nicm 2603:
1.1 nicm 2604: /* Filter out attribute bits already set. */
1.85 nicm 2605: changed = gc2.attr & ~tc->attr;
2606: tc->attr = gc2.attr;
1.1 nicm 2607:
2608: /* Set the attributes. */
2609: if (changed & GRID_ATTR_BRIGHT)
2610: tty_putcode(tty, TTYC_BOLD);
2611: if (changed & GRID_ATTR_DIM)
2612: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2613: if (changed & GRID_ATTR_ITALICS)
2614: tty_set_italics(tty);
1.308 nicm 2615: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2616: if ((changed & GRID_ATTR_UNDERSCORE) ||
2617: !tty_term_has(tty->term, TTYC_SMULX))
2618: tty_putcode(tty, TTYC_SMUL);
2619: else if (changed & GRID_ATTR_UNDERSCORE_2)
1.430 nicm 2620: tty_putcode_i(tty, TTYC_SMULX, 2);
1.308 nicm 2621: else if (changed & GRID_ATTR_UNDERSCORE_3)
1.430 nicm 2622: tty_putcode_i(tty, TTYC_SMULX, 3);
1.308 nicm 2623: else if (changed & GRID_ATTR_UNDERSCORE_4)
1.430 nicm 2624: tty_putcode_i(tty, TTYC_SMULX, 4);
1.308 nicm 2625: else if (changed & GRID_ATTR_UNDERSCORE_5)
1.430 nicm 2626: tty_putcode_i(tty, TTYC_SMULX, 5);
1.308 nicm 2627: }
1.1 nicm 2628: if (changed & GRID_ATTR_BLINK)
2629: tty_putcode(tty, TTYC_BLINK);
2630: if (changed & GRID_ATTR_REVERSE) {
2631: if (tty_term_has(tty->term, TTYC_REV))
2632: tty_putcode(tty, TTYC_REV);
2633: else if (tty_term_has(tty->term, TTYC_SMSO))
2634: tty_putcode(tty, TTYC_SMSO);
2635: }
2636: if (changed & GRID_ATTR_HIDDEN)
2637: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2638: if (changed & GRID_ATTR_STRIKETHROUGH)
2639: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2640: if (changed & GRID_ATTR_OVERLINE)
2641: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2642: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2643: tty_putcode(tty, TTYC_SMACS);
1.373 nicm 2644:
1.421 nicm 2645: /* Set hyperlink if any. */
2646: tty_hyperlink(tty, gc, hl);
2647:
1.373 nicm 2648: memcpy(&tty->last_cell, &gc2, sizeof tty->last_cell);
1.1 nicm 2649: }
2650:
1.207 nicm 2651: static void
1.85 nicm 2652: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2653: {
1.61 nicm 2654: struct grid_cell *tc = &tty->cell;
1.204 nicm 2655: int have_ax;
1.61 nicm 2656:
2657: /* No changes? Nothing is necessary. */
1.328 nicm 2658: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2659: return;
1.1 nicm 2660:
1.61 nicm 2661: /*
2662: * Is either the default colour? This is handled specially because the
2663: * best solution might be to reset both colours to default, in which
2664: * case if only one is default need to fall onward to set the other
2665: * colour.
2666: */
1.310 nicm 2667: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2668: /*
2669: * If don't have AX but do have op, send sgr0 (op can't
2670: * actually be used because it is sometimes the same as sgr0
2671: * and sometimes isn't). This resets both colours to default.
2672: *
2673: * Otherwise, try to set the default colour only as needed.
2674: */
1.174 nicm 2675: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2676: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2677: tty_reset(tty);
2678: else {
1.310 nicm 2679: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2680: if (have_ax)
2681: tty_puts(tty, "\033[39m");
1.204 nicm 2682: else if (tc->fg != 7)
1.430 nicm 2683: tty_putcode_i(tty, TTYC_SETAF, 7);
1.310 nicm 2684: tc->fg = gc->fg;
1.61 nicm 2685: }
1.310 nicm 2686: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2687: if (have_ax)
1.61 nicm 2688: tty_puts(tty, "\033[49m");
1.204 nicm 2689: else if (tc->bg != 0)
1.430 nicm 2690: tty_putcode_i(tty, TTYC_SETAB, 0);
1.312 nicm 2691: tc->bg = gc->bg;
1.61 nicm 2692: }
2693: }
2694: }
1.1 nicm 2695:
1.61 nicm 2696: /* Set the foreground colour. */
1.310 nicm 2697: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2698: tty_colours_fg(tty, gc);
1.1 nicm 2699:
1.61 nicm 2700: /*
2701: * Set the background colour. This must come after the foreground as
2702: * tty_colour_fg() can call tty_reset().
2703: */
1.310 nicm 2704: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2705: tty_colours_bg(tty, gc);
1.328 nicm 2706:
1.399 nicm 2707: /* Set the underscore colour. */
1.328 nicm 2708: if (gc->us != tc->us)
2709: tty_colours_us(tty, gc);
1.1 nicm 2710: }
2711:
1.219 nicm 2712: static void
1.399 nicm 2713: tty_check_fg(struct tty *tty, struct colour_palette *palette,
2714: struct grid_cell *gc)
1.85 nicm 2715: {
1.204 nicm 2716: u_char r, g, b;
2717: u_int colours;
1.223 nicm 2718: int c;
1.85 nicm 2719:
1.288 nicm 2720: /*
2721: * Perform substitution if this pane has a palette. If the bright
1.424 nicm 2722: * attribute is set and Nobr is not present, use the bright entry in
2723: * the palette by changing to the aixterm colour
1.288 nicm 2724: */
2725: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2726: c = gc->fg;
1.424 nicm 2727: if (c < 8 &&
2728: gc->attr & GRID_ATTR_BRIGHT &&
2729: !tty_term_has(tty->term, TTYC_NOBR))
1.288 nicm 2730: c += 90;
1.399 nicm 2731: if ((c = colour_palette_get(palette, c)) != -1)
1.288 nicm 2732: gc->fg = c;
2733: }
1.219 nicm 2734:
1.199 nicm 2735: /* Is this a 24-bit colour? */
1.204 nicm 2736: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2737: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2738: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2739: return;
1.341 nicm 2740: colour_split_rgb(gc->fg, &r, &g, &b);
2741: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2742: }
1.224 nicm 2743:
2744: /* How many colours does this terminal have? */
1.359 nicm 2745: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2746: colours = 256;
2747: else
2748: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2749:
1.85 nicm 2750: /* Is this a 256-colour colour? */
1.204 nicm 2751: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2752: /* And not a 256 colour mode? */
1.387 nicm 2753: if (colours < 256) {
1.85 nicm 2754: gc->fg = colour_256to16(gc->fg);
2755: if (gc->fg & 8) {
2756: gc->fg &= 7;
1.175 nicm 2757: if (colours >= 16)
2758: gc->fg += 90;
1.332 nicm 2759: }
1.85 nicm 2760: }
2761: return;
2762: }
2763:
2764: /* Is this an aixterm colour? */
2765: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2766: gc->fg -= 90;
2767: gc->attr |= GRID_ATTR_BRIGHT;
2768: }
2769: }
2770:
1.219 nicm 2771: static void
1.399 nicm 2772: tty_check_bg(struct tty *tty, struct colour_palette *palette,
2773: struct grid_cell *gc)
1.85 nicm 2774: {
1.204 nicm 2775: u_char r, g, b;
2776: u_int colours;
1.223 nicm 2777: int c;
1.85 nicm 2778:
1.288 nicm 2779: /* Perform substitution if this pane has a palette. */
2780: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2781: if ((c = colour_palette_get(palette, gc->bg)) != -1)
1.288 nicm 2782: gc->bg = c;
2783: }
1.219 nicm 2784:
1.199 nicm 2785: /* Is this a 24-bit colour? */
1.204 nicm 2786: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2787: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2788: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2789: return;
1.341 nicm 2790: colour_split_rgb(gc->bg, &r, &g, &b);
2791: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2792: }
1.224 nicm 2793:
2794: /* How many colours does this terminal have? */
1.359 nicm 2795: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2796: colours = 256;
2797: else
2798: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2799:
1.85 nicm 2800: /* Is this a 256-colour colour? */
1.204 nicm 2801: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2802: /*
2803: * And not a 256 colour mode? Translate to 16-colour
2804: * palette. Bold background doesn't exist portably, so just
2805: * discard the bold bit if set.
2806: */
1.387 nicm 2807: if (colours < 256) {
1.85 nicm 2808: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2809: if (gc->bg & 8) {
1.85 nicm 2810: gc->bg &= 7;
1.175 nicm 2811: if (colours >= 16)
1.322 nicm 2812: gc->bg += 90;
1.175 nicm 2813: }
1.85 nicm 2814: }
2815: return;
2816: }
2817:
2818: /* Is this an aixterm colour? */
1.175 nicm 2819: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2820: gc->bg -= 90;
2821: }
2822:
1.207 nicm 2823: static void
1.399 nicm 2824: tty_check_us(__unused struct tty *tty, struct colour_palette *palette,
2825: struct grid_cell *gc)
1.328 nicm 2826: {
2827: int c;
2828:
2829: /* Perform substitution if this pane has a palette. */
2830: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2831: if ((c = colour_palette_get(palette, gc->us)) != -1)
1.328 nicm 2832: gc->us = c;
2833: }
2834:
1.433 nicm 2835: /* Convert underscore colour if only RGB can be supported. */
2836: if (!tty_term_has(tty->term, TTYC_SETULC1)) {
2837: if ((c = colour_force_rgb (gc->us)) == -1)
2838: gc->us = 8;
2839: else
2840: gc->us = c;
2841: }
1.328 nicm 2842: }
2843:
2844: static void
1.85 nicm 2845: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2846: {
1.61 nicm 2847: struct grid_cell *tc = &tty->cell;
1.79 nicm 2848: char s[32];
1.1 nicm 2849:
1.204 nicm 2850: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2851: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2852: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.385 nicm 2853: goto save;
1.199 nicm 2854: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2855: return;
1.1 nicm 2856: }
2857:
1.79 nicm 2858: /* Is this an aixterm bright colour? */
1.204 nicm 2859: if (gc->fg >= 90 && gc->fg <= 97) {
1.359 nicm 2860: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2861: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2862: tty_puts(tty, s);
2863: } else
1.430 nicm 2864: tty_putcode_i(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.385 nicm 2865: goto save;
1.79 nicm 2866: }
2867:
1.61 nicm 2868: /* Otherwise set the foreground colour. */
1.430 nicm 2869: tty_putcode_i(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2870:
1.385 nicm 2871: save:
1.61 nicm 2872: /* Save the new values in the terminal current cell. */
1.204 nicm 2873: tc->fg = gc->fg;
1.1 nicm 2874: }
2875:
1.207 nicm 2876: static void
1.73 nicm 2877: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2878: {
1.61 nicm 2879: struct grid_cell *tc = &tty->cell;
1.79 nicm 2880: char s[32];
1.1 nicm 2881:
1.204 nicm 2882: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2883: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2884: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.385 nicm 2885: goto save;
1.199 nicm 2886: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2887: return;
1.79 nicm 2888: }
2889:
2890: /* Is this an aixterm bright colour? */
1.204 nicm 2891: if (gc->bg >= 90 && gc->bg <= 97) {
1.359 nicm 2892: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2893: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2894: tty_puts(tty, s);
2895: } else
1.430 nicm 2896: tty_putcode_i(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.385 nicm 2897: goto save;
1.1 nicm 2898: }
2899:
1.61 nicm 2900: /* Otherwise set the background colour. */
1.430 nicm 2901: tty_putcode_i(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2902:
1.385 nicm 2903: save:
1.61 nicm 2904: /* Save the new values in the terminal current cell. */
1.204 nicm 2905: tc->bg = gc->bg;
1.328 nicm 2906: }
2907:
2908: static void
2909: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2910: {
2911: struct grid_cell *tc = &tty->cell;
2912: u_int c;
2913: u_char r, g, b;
2914:
1.385 nicm 2915: /* Clear underline colour. */
1.432 nicm 2916: if (COLOUR_DEFAULT(gc->us)) {
1.385 nicm 2917: tty_putcode(tty, TTYC_OL);
2918: goto save;
2919: }
2920:
1.433 nicm 2921: /*
2922: * If this is not an RGB colour, use Setulc1 if it exists, otherwise
2923: * convert.
2924: */
2925: if (~gc->us & COLOUR_FLAG_RGB) {
2926: c = gc->us;
2927: if ((~c & COLOUR_FLAG_256) && (c >= 90 && c <= 97))
2928: c -= 82;
2929: tty_putcode_i(tty, TTYC_SETULC1, c & ~COLOUR_FLAG_256);
1.328 nicm 2930: return;
1.433 nicm 2931: }
1.328 nicm 2932:
2933: /*
1.385 nicm 2934: * Setulc and setal follows the ncurses(3) one argument "direct colour"
1.328 nicm 2935: * capability format. Calculate the colour value.
2936: */
2937: colour_split_rgb(gc->us, &r, &g, &b);
2938: c = (65536 * r) + (256 * g) + b;
2939:
1.385 nicm 2940: /*
2941: * Write the colour. Only use setal if the RGB flag is set because the
2942: * non-RGB version may be wrong.
2943: */
2944: if (tty_term_has(tty->term, TTYC_SETULC))
1.430 nicm 2945: tty_putcode_i(tty, TTYC_SETULC, c);
1.385 nicm 2946: else if (tty_term_has(tty->term, TTYC_SETAL) &&
2947: tty_term_has(tty->term, TTYC_RGB))
1.430 nicm 2948: tty_putcode_i(tty, TTYC_SETAL, c);
1.328 nicm 2949:
1.385 nicm 2950: save:
1.328 nicm 2951: /* Save the new values in the terminal current cell. */
2952: tc->us = gc->us;
1.61 nicm 2953: }
2954:
1.207 nicm 2955: static int
1.204 nicm 2956: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2957: {
1.204 nicm 2958: u_char r, g, b;
1.61 nicm 2959:
1.204 nicm 2960: if (colour & COLOUR_FLAG_256) {
1.359 nicm 2961: if (*type == '3' && tty_term_has(tty->term, TTYC_SETAF))
1.430 nicm 2962: tty_putcode_i(tty, TTYC_SETAF, colour & 0xff);
1.359 nicm 2963: else if (tty_term_has(tty->term, TTYC_SETAB))
1.430 nicm 2964: tty_putcode_i(tty, TTYC_SETAB, colour & 0xff);
1.359 nicm 2965: return (0);
1.204 nicm 2966: }
2967:
2968: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2969: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.359 nicm 2970: if (*type == '3' && tty_term_has(tty->term, TTYC_SETRGBF))
1.430 nicm 2971: tty_putcode_iii(tty, TTYC_SETRGBF, r, g, b);
1.359 nicm 2972: else if (tty_term_has(tty->term, TTYC_SETRGBB))
1.430 nicm 2973: tty_putcode_iii(tty, TTYC_SETRGBB, r, g, b);
1.165 nicm 2974: return (0);
2975: }
1.61 nicm 2976:
1.165 nicm 2977: return (-1);
1.176 nicm 2978: }
2979:
1.207 nicm 2980: static void
1.371 nicm 2981: tty_window_default_style(struct grid_cell *gc, struct window_pane *wp)
2982: {
2983: memcpy(gc, &grid_default_cell, sizeof *gc);
1.399 nicm 2984: gc->fg = wp->palette.fg;
2985: gc->bg = wp->palette.bg;
1.371 nicm 2986: }
2987:
1.373 nicm 2988: void
1.317 nicm 2989: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2990: {
1.400 nicm 2991: struct options *oo = wp->options;
2992: struct format_tree *ft;
1.373 nicm 2993:
2994: memcpy(gc, &grid_default_cell, sizeof *gc);
1.326 nicm 2995:
2996: if (wp->flags & PANE_STYLECHANGED) {
1.400 nicm 2997: log_debug("%%%u: style changed", wp->id);
1.326 nicm 2998: wp->flags &= ~PANE_STYLECHANGED;
1.371 nicm 2999:
1.400 nicm 3000: ft = format_create(NULL, NULL, FORMAT_PANE|wp->id,
3001: FORMAT_NOJOBS);
3002: format_defaults(ft, NULL, NULL, NULL, wp);
1.371 nicm 3003: tty_window_default_style(&wp->cached_active_gc, wp);
1.400 nicm 3004: style_add(&wp->cached_active_gc, oo, "window-active-style", ft);
1.371 nicm 3005: tty_window_default_style(&wp->cached_gc, wp);
1.400 nicm 3006: style_add(&wp->cached_gc, oo, "window-style", ft);
3007: format_free(ft);
1.203 nicm 3008: }
1.176 nicm 3009:
1.204 nicm 3010: if (gc->fg == 8) {
1.370 nicm 3011: if (wp == wp->window->active && wp->cached_active_gc.fg != 8)
3012: gc->fg = wp->cached_active_gc.fg;
1.204 nicm 3013: else
1.370 nicm 3014: gc->fg = wp->cached_gc.fg;
1.176 nicm 3015: }
3016:
1.204 nicm 3017: if (gc->bg == 8) {
1.370 nicm 3018: if (wp == wp->window->active && wp->cached_active_gc.bg != 8)
3019: gc->bg = wp->cached_active_gc.bg;
1.204 nicm 3020: else
1.370 nicm 3021: gc->bg = wp->cached_gc.bg;
1.176 nicm 3022: }
1.210 nicm 3023: }
3024:
3025: static void
1.373 nicm 3026: tty_default_attributes(struct tty *tty, const struct grid_cell *defaults,
1.421 nicm 3027: struct colour_palette *palette, u_int bg, struct hyperlinks *hl)
1.210 nicm 3028: {
1.373 nicm 3029: struct grid_cell gc;
1.210 nicm 3030:
3031: memcpy(&gc, &grid_default_cell, sizeof gc);
3032: gc.bg = bg;
1.421 nicm 3033: tty_attributes(tty, &gc, defaults, palette, hl);
1.1 nicm 3034: }
1.416 nicm 3035:
3036: static void
1.417 nicm 3037: tty_clipboard_query_callback(__unused int fd, __unused short events, void *data)
1.416 nicm 3038: {
3039: struct tty *tty = data;
1.417 nicm 3040: struct client *c = tty->client;
3041:
3042: c->flags &= ~CLIENT_CLIPBOARDBUFFER;
3043: free(c->clipboard_panes);
3044: c->clipboard_panes = NULL;
3045: c->clipboard_npanes = 0;
1.416 nicm 3046:
3047: tty->flags &= ~TTY_OSC52QUERY;
3048: }
3049:
3050: void
1.417 nicm 3051: tty_clipboard_query(struct tty *tty)
1.416 nicm 3052: {
3053: struct timeval tv = { .tv_sec = TTY_QUERY_TIMEOUT };
3054:
3055: if ((~tty->flags & TTY_STARTED) || (tty->flags & TTY_OSC52QUERY))
3056: return;
1.430 nicm 3057: tty_putcode_ss(tty, TTYC_MS, "", "?");
1.417 nicm 3058:
1.416 nicm 3059: tty->flags |= TTY_OSC52QUERY;
1.417 nicm 3060: evtimer_set(&tty->clipboard_timer, tty_clipboard_query_callback, tty);
3061: evtimer_add(&tty->clipboard_timer, &tv);
1.416 nicm 3062: }
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