Annotation of src/usr.bin/tmux/tty.c, Revision 1.430
1.430 ! nicm 1: /* $OpenBSD: tty.c,v 1.429 2023/04/25 09:24:44 nicm Exp $ */
1.1 nicm 2:
3: /*
1.198 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/ioctl.h>
21:
1.106 nicm 22: #include <netinet/in.h>
23:
1.212 nicm 24: #include <curses.h>
1.1 nicm 25: #include <errno.h>
26: #include <fcntl.h>
1.106 nicm 27: #include <resolv.h>
1.42 nicm 28: #include <stdlib.h>
1.1 nicm 29: #include <string.h>
30: #include <termios.h>
31: #include <unistd.h>
32:
33: #include "tmux.h"
34:
1.207 nicm 35: static int tty_log_fd = -1;
1.192 nicm 36:
1.207 nicm 37: static void tty_set_italics(struct tty *);
38: static int tty_try_colour(struct tty *, int, const char *);
1.410 nicm 39: static void tty_force_cursor_colour(struct tty *, int);
1.208 nicm 40: static void tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int,
41: u_int);
1.253 nicm 42: static void tty_cursor_pane_unless_wrap(struct tty *,
43: const struct tty_ctx *, u_int, u_int);
1.242 nicm 44: static void tty_invalidate(struct tty *);
1.207 nicm 45: static void tty_colours(struct tty *, const struct grid_cell *);
1.399 nicm 46: static void tty_check_fg(struct tty *, struct colour_palette *,
47: struct grid_cell *);
48: static void tty_check_bg(struct tty *, struct colour_palette *,
49: struct grid_cell *);
50: static void tty_check_us(struct tty *, struct colour_palette *,
51: struct grid_cell *);
1.207 nicm 52: static void tty_colours_fg(struct tty *, const struct grid_cell *);
53: static void tty_colours_bg(struct tty *, const struct grid_cell *);
1.328 nicm 54: static void tty_colours_us(struct tty *, const struct grid_cell *);
1.207 nicm 55:
1.208 nicm 56: static void tty_region_pane(struct tty *, const struct tty_ctx *, u_int,
57: u_int);
1.214 nicm 58: static void tty_region(struct tty *, u_int, u_int);
1.212 nicm 59: static void tty_margin_pane(struct tty *, const struct tty_ctx *);
1.214 nicm 60: static void tty_margin(struct tty *, u_int, u_int);
1.207 nicm 61: static int tty_large_region(struct tty *, const struct tty_ctx *);
1.373 nicm 62: static int tty_fake_bce(const struct tty *, const struct grid_cell *,
63: u_int);
1.207 nicm 64: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
65: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
66: enum tty_code_code, u_int);
67: static void tty_repeat_space(struct tty *, u_int);
1.309 nicm 68: static void tty_draw_pane(struct tty *, const struct tty_ctx *, u_int);
1.373 nicm 69: static void tty_default_attributes(struct tty *, const struct grid_cell *,
1.421 nicm 70: struct colour_palette *, u_int, struct hyperlinks *);
1.394 nicm 71: static int tty_check_overlay(struct tty *, u_int, u_int);
1.406 nicm 72: static void tty_check_overlay_range(struct tty *, u_int, u_int, u_int,
73: struct overlay_ranges *);
1.1 nicm 74:
1.212 nicm 75: #define tty_use_margin(tty) \
1.359 nicm 76: (tty->term->flags & TERM_DECSLRM)
1.372 nicm 77: #define tty_full_width(tty, ctx) \
78: ((ctx)->xoff == 0 && (ctx)->sx >= (tty)->sx)
1.132 nicm 79:
1.266 nicm 80: #define TTY_BLOCK_INTERVAL (100000 /* 100 milliseconds */)
81: #define TTY_BLOCK_START(tty) (1 + ((tty)->sx * (tty)->sy) * 8)
82: #define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
83:
1.416 nicm 84: #define TTY_QUERY_TIMEOUT 5
85:
1.192 nicm 86: void
87: tty_create_log(void)
88: {
89: char name[64];
90:
91: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
92:
93: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
94: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
95: fatal("fcntl failed");
96: }
97:
1.185 nicm 98: int
1.380 nicm 99: tty_init(struct tty *tty, struct client *c)
1.1 nicm 100: {
1.380 nicm 101: if (!isatty(c->fd))
1.185 nicm 102: return (-1);
103:
1.30 nicm 104: memset(tty, 0, sizeof *tty);
1.136 nicm 105: tty->client = c;
1.30 nicm 106:
1.391 nicm 107: tty->cstyle = SCREEN_CURSOR_DEFAULT;
1.410 nicm 108: tty->ccolour = -1;
1.426 nicm 109: tty->fg = tty->bg = -1;
1.30 nicm 110:
1.380 nicm 111: if (tcgetattr(c->fd, &tty->tio) != 0)
112: return (-1);
1.185 nicm 113: return (0);
1.31 nicm 114: }
115:
1.287 nicm 116: void
1.31 nicm 117: tty_resize(struct tty *tty)
118: {
1.258 nicm 119: struct client *c = tty->client;
120: struct winsize ws;
1.334 nicm 121: u_int sx, sy, xpixel, ypixel;
1.31 nicm 122:
1.380 nicm 123: if (ioctl(c->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 124: sx = ws.ws_col;
1.334 nicm 125: if (sx == 0) {
1.88 nicm 126: sx = 80;
1.334 nicm 127: xpixel = 0;
128: } else
129: xpixel = ws.ws_xpixel / sx;
1.88 nicm 130: sy = ws.ws_row;
1.334 nicm 131: if (sy == 0) {
1.88 nicm 132: sy = 24;
1.334 nicm 133: ypixel = 0;
134: } else
135: ypixel = ws.ws_ypixel / sy;
1.88 nicm 136: } else {
137: sx = 80;
138: sy = 24;
1.334 nicm 139: xpixel = 0;
140: ypixel = 0;
1.31 nicm 141: }
1.334 nicm 142: log_debug("%s: %s now %ux%u (%ux%u)", __func__, c->name, sx, sy,
143: xpixel, ypixel);
144: tty_set_size(tty, sx, sy, xpixel, ypixel);
1.242 nicm 145: tty_invalidate(tty);
1.114 nicm 146: }
147:
1.287 nicm 148: void
1.334 nicm 149: tty_set_size(struct tty *tty, u_int sx, u_int sy, u_int xpixel, u_int ypixel)
1.212 nicm 150: {
1.114 nicm 151: tty->sx = sx;
152: tty->sy = sy;
1.334 nicm 153: tty->xpixel = xpixel;
154: tty->ypixel = ypixel;
1.1 nicm 155: }
156:
1.244 nicm 157: static void
158: tty_read_callback(__unused int fd, __unused short events, void *data)
159: {
160: struct tty *tty = data;
1.258 nicm 161: struct client *c = tty->client;
1.375 nicm 162: const char *name = c->name;
1.244 nicm 163: size_t size = EVBUFFER_LENGTH(tty->in);
164: int nread;
165:
1.380 nicm 166: nread = evbuffer_read(tty->in, c->fd, -1);
1.295 nicm 167: if (nread == 0 || nread == -1) {
1.375 nicm 168: if (nread == 0)
169: log_debug("%s: read closed", name);
170: else
171: log_debug("%s: read error: %s", name, strerror(errno));
1.290 nicm 172: event_del(&tty->event_in);
1.295 nicm 173: server_client_lost(tty->client);
1.244 nicm 174: return;
1.290 nicm 175: }
1.375 nicm 176: log_debug("%s: read %d bytes (already %zu)", name, nread, size);
1.244 nicm 177:
178: while (tty_keys_next(tty))
179: ;
180: }
181:
182: static void
1.266 nicm 183: tty_timer_callback(__unused int fd, __unused short events, void *data)
184: {
185: struct tty *tty = data;
186: struct client *c = tty->client;
187: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
188:
189: log_debug("%s: %zu discarded", c->name, tty->discarded);
190:
1.305 nicm 191: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.266 nicm 192: c->discarded += tty->discarded;
193:
194: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
195: tty->flags &= ~TTY_BLOCK;
196: tty_invalidate(tty);
197: return;
198: }
199: tty->discarded = 0;
200: evtimer_add(&tty->timer, &tv);
201: }
202:
203: static int
204: tty_block_maybe(struct tty *tty)
205: {
206: struct client *c = tty->client;
207: size_t size = EVBUFFER_LENGTH(tty->out);
208: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
209:
1.414 nicm 210: if (size == 0)
211: tty->flags &= ~TTY_NOBLOCK;
212: else if (tty->flags & TTY_NOBLOCK)
213: return (0);
214:
1.266 nicm 215: if (size < TTY_BLOCK_START(tty))
216: return (0);
217:
218: if (tty->flags & TTY_BLOCK)
219: return (1);
220: tty->flags |= TTY_BLOCK;
221:
222: log_debug("%s: can't keep up, %zu discarded", c->name, size);
223:
224: evbuffer_drain(tty->out, size);
225: c->discarded += size;
226:
227: tty->discarded = 0;
228: evtimer_add(&tty->timer, &tv);
229: return (1);
230: }
231:
232: static void
1.244 nicm 233: tty_write_callback(__unused int fd, __unused short events, void *data)
234: {
1.246 nicm 235: struct tty *tty = data;
1.258 nicm 236: struct client *c = tty->client;
1.246 nicm 237: size_t size = EVBUFFER_LENGTH(tty->out);
238: int nwrite;
1.244 nicm 239:
1.380 nicm 240: nwrite = evbuffer_write(tty->out, c->fd);
1.244 nicm 241: if (nwrite == -1)
242: return;
1.258 nicm 243: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 244:
1.270 nicm 245: if (c->redraw > 0) {
246: if ((size_t)nwrite >= c->redraw)
247: c->redraw = 0;
248: else
249: c->redraw -= nwrite;
250: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
251: c->redraw);
252: } else if (tty_block_maybe(tty))
1.266 nicm 253: return;
254:
1.247 nicm 255: if (EVBUFFER_LENGTH(tty->out) != 0)
256: event_add(&tty->event_out, NULL);
1.244 nicm 257: }
258:
1.1 nicm 259: int
1.166 nicm 260: tty_open(struct tty *tty, char **cause)
1.1 nicm 261: {
1.359 nicm 262: struct client *c = tty->client;
263:
1.389 nicm 264: tty->term = tty_term_create(tty, c->term_name, c->term_caps,
265: c->term_ncaps, &c->term_features, cause);
1.21 nicm 266: if (tty->term == NULL) {
267: tty_close(tty);
268: return (-1);
269: }
270: tty->flags |= TTY_OPENED;
1.1 nicm 271:
1.266 nicm 272: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 273:
1.380 nicm 274: event_set(&tty->event_in, c->fd, EV_PERSIST|EV_READ,
1.244 nicm 275: tty_read_callback, tty);
276: tty->in = evbuffer_new();
1.311 nicm 277: if (tty->in == NULL)
278: fatal("out of memory");
1.1 nicm 279:
1.380 nicm 280: event_set(&tty->event_out, c->fd, EV_WRITE, tty_write_callback, tty);
1.244 nicm 281: tty->out = evbuffer_new();
1.311 nicm 282: if (tty->out == NULL)
283: fatal("out of memory");
1.1 nicm 284:
1.266 nicm 285: evtimer_set(&tty->timer, tty_timer_callback, tty);
286:
1.1 nicm 287: tty_start_tty(tty);
1.148 nicm 288: tty_keys_build(tty);
1.1 nicm 289:
290: return (0);
291: }
292:
1.340 nicm 293: static void
294: tty_start_timer_callback(__unused int fd, __unused short events, void *data)
295: {
296: struct tty *tty = data;
297: struct client *c = tty->client;
298:
299: log_debug("%s: start timer fired", c->name);
1.425 nicm 300: if ((tty->flags & (TTY_HAVEDA|TTY_HAVEDA2|TTY_HAVEXDA)) == 0)
1.378 nicm 301: tty_update_features(tty);
1.426 nicm 302: tty->flags |= TTY_ALL_REQUEST_FLAGS;
1.340 nicm 303: }
304:
1.244 nicm 305: void
306: tty_start_tty(struct tty *tty)
1.1 nicm 307: {
1.285 nicm 308: struct client *c = tty->client;
309: struct termios tio;
1.416 nicm 310: struct timeval tv = { .tv_sec = TTY_QUERY_TIMEOUT };
1.33 nicm 311:
1.380 nicm 312: setblocking(c->fd, 0);
313: event_add(&tty->event_in, NULL);
314:
315: memcpy(&tio, &tty->tio, sizeof tio);
316: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
317: tio.c_iflag |= IGNBRK;
318: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
319: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|ECHOPRT|
320: ECHOKE|ISIG);
321: tio.c_cc[VMIN] = 1;
322: tio.c_cc[VTIME] = 0;
323: if (tcsetattr(c->fd, TCSANOW, &tio) == 0)
1.404 nicm 324: tcflush(c->fd, TCOFLUSH);
1.1 nicm 325:
1.10 nicm 326: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 327:
1.252 nicm 328: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 329: tty_putcode(tty, TTYC_CLEAR);
330:
331: if (tty_acs_needed(tty)) {
332: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 333: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 334: } else
335: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 336:
337: tty_putcode(tty, TTYC_CNORM);
1.343 nicm 338: if (tty_term_has(tty->term, TTYC_KMOUS)) {
339: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1003l");
340: tty_puts(tty, "\033[?1006l\033[?1005l");
341: }
1.427 nicm 342: if (tty_term_has(tty->term, TTYC_ENBP))
343: tty_putcode(tty, TTYC_ENBP);
1.121 nicm 344:
1.340 nicm 345: evtimer_set(&tty->start_timer, tty_start_timer_callback, tty);
346: evtimer_add(&tty->start_timer, &tv);
347:
1.20 nicm 348: tty->flags |= TTY_STARTED;
1.242 nicm 349: tty_invalidate(tty);
1.107 nicm 350:
1.410 nicm 351: if (tty->ccolour != -1)
352: tty_force_cursor_colour(tty, -1);
1.177 nicm 353:
354: tty->mouse_drag_flag = 0;
355: tty->mouse_drag_update = NULL;
356: tty->mouse_drag_release = NULL;
1.347 nicm 357: }
358:
359: void
360: tty_send_requests(struct tty *tty)
361: {
362: if (~tty->flags & TTY_STARTED)
363: return;
364:
1.369 nicm 365: if (tty->term->flags & TERM_VT100LIKE) {
1.425 nicm 366: if (~tty->term->flags & TTY_HAVEDA)
367: tty_puts(tty, "\033[c");
368: if (~tty->flags & TTY_HAVEDA2)
1.351 nicm 369: tty_puts(tty, "\033[>c");
1.364 nicm 370: if (~tty->flags & TTY_HAVEXDA)
371: tty_puts(tty, "\033[>q");
1.426 nicm 372: if (~tty->flags & TTY_HAVEFG)
373: tty_puts(tty, "\033]10;?\033\\");
374: if (~tty->flags & TTY_HAVEBG)
375: tty_puts(tty, "\033]11;?\033\\");
1.347 nicm 376: } else
1.426 nicm 377: tty->flags |= TTY_ALL_REQUEST_FLAGS;
1.128 nicm 378: }
379:
380: void
1.1 nicm 381: tty_stop_tty(struct tty *tty)
382: {
1.380 nicm 383: struct client *c = tty->client;
384: struct winsize ws;
1.1 nicm 385:
1.20 nicm 386: if (!(tty->flags & TTY_STARTED))
387: return;
388: tty->flags &= ~TTY_STARTED;
1.340 nicm 389:
390: evtimer_del(&tty->start_timer);
1.20 nicm 391:
1.266 nicm 392: event_del(&tty->timer);
393: tty->flags &= ~TTY_BLOCK;
394:
1.244 nicm 395: event_del(&tty->event_in);
396: event_del(&tty->event_out);
1.66 nicm 397:
1.1 nicm 398: /*
399: * Be flexible about error handling and try not kill the server just
400: * because the fd is invalid. Things like ssh -t can easily leave us
401: * with a dead tty.
402: */
1.380 nicm 403: if (ioctl(c->fd, TIOCGWINSZ, &ws) == -1)
1.1 nicm 404: return;
1.380 nicm 405: if (tcsetattr(c->fd, TCSANOW, &tty->tio) == -1)
1.1 nicm 406: return;
407:
1.430 ! nicm 408: tty_raw(tty, tty_term_string_ii(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 409: if (tty_acs_needed(tty))
1.90 nicm 410: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 411: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
412: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
413: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.391 nicm 414: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
1.160 nicm 415: if (tty_term_has(tty->term, TTYC_SE))
416: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.391 nicm 417: else if (tty_term_has(tty->term, TTYC_SS))
1.430 ! nicm 418: tty_raw(tty, tty_term_string_i(tty->term, TTYC_SS, 0));
1.108 nicm 419: }
1.410 nicm 420: if (tty->ccolour != -1)
1.336 nicm 421: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 422:
423: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
1.343 nicm 424: if (tty_term_has(tty->term, TTYC_KMOUS)) {
425: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1003l");
426: tty_raw(tty, "\033[?1006l\033[?1005l");
427: }
1.427 nicm 428: if (tty_term_has(tty->term, TTYC_DSBP))
429: tty_raw(tty, tty_term_string(tty->term, TTYC_DSBP));
1.151 nicm 430:
1.369 nicm 431: if (tty->term->flags & TERM_VT100LIKE)
1.352 nicm 432: tty_raw(tty, "\033[?7727l");
1.378 nicm 433: tty_raw(tty, tty_term_string(tty->term, TTYC_DSFCS));
434: tty_raw(tty, tty_term_string(tty->term, TTYC_DSEKS));
1.10 nicm 435:
1.212 nicm 436: if (tty_use_margin(tty))
1.365 nicm 437: tty_raw(tty, tty_term_string(tty->term, TTYC_DSMG));
1.10 nicm 438: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 439:
1.380 nicm 440: setblocking(c->fd, 1);
1.1 nicm 441: }
442:
443: void
1.20 nicm 444: tty_close(struct tty *tty)
1.1 nicm 445: {
1.123 nicm 446: if (event_initialized(&tty->key_timer))
447: evtimer_del(&tty->key_timer);
1.20 nicm 448: tty_stop_tty(tty);
1.1 nicm 449:
1.21 nicm 450: if (tty->flags & TTY_OPENED) {
1.244 nicm 451: evbuffer_free(tty->in);
452: event_del(&tty->event_in);
453: evbuffer_free(tty->out);
454: event_del(&tty->event_out);
1.66 nicm 455:
1.21 nicm 456: tty_term_free(tty->term);
457: tty_keys_free(tty);
458:
459: tty->flags &= ~TTY_OPENED;
460: }
1.1 nicm 461: }
462:
463: void
1.20 nicm 464: tty_free(struct tty *tty)
1.1 nicm 465: {
1.20 nicm 466: tty_close(tty);
1.1 nicm 467: }
468:
469: void
1.359 nicm 470: tty_update_features(struct tty *tty)
1.212 nicm 471: {
1.359 nicm 472: struct client *c = tty->client;
473:
1.362 nicm 474: if (tty_apply_features(tty->term, c->term_features))
475: tty_term_apply_overrides(tty->term);
1.212 nicm 476:
477: if (tty_use_margin(tty))
1.365 nicm 478: tty_putcode(tty, TTYC_ENMG);
1.378 nicm 479: if (options_get_number(global_options, "extended-keys"))
480: tty_puts(tty, tty_term_string(tty->term, TTYC_ENEKS));
481: if (options_get_number(global_options, "focus-events"))
1.379 nicm 482: tty_puts(tty, tty_term_string(tty->term, TTYC_ENFCS));
1.378 nicm 483: if (tty->term->flags & TERM_VT100LIKE)
484: tty_puts(tty, "\033[?7727h");
1.429 nicm 485:
486: tty_invalidate(tty);
1.212 nicm 487: }
488:
489: void
1.1 nicm 490: tty_raw(struct tty *tty, const char *s)
491: {
1.380 nicm 492: struct client *c = tty->client;
493: ssize_t n, slen;
494: u_int i;
1.150 nicm 495:
496: slen = strlen(s);
497: for (i = 0; i < 5; i++) {
1.380 nicm 498: n = write(c->fd, s, slen);
1.150 nicm 499: if (n >= 0) {
500: s += n;
501: slen -= n;
502: if (slen == 0)
503: break;
504: } else if (n == -1 && errno != EAGAIN)
505: break;
506: usleep(100);
507: }
1.1 nicm 508: }
509:
510: void
511: tty_putcode(struct tty *tty, enum tty_code_code code)
512: {
513: tty_puts(tty, tty_term_string(tty->term, code));
514: }
515:
516: void
1.430 ! nicm 517: tty_putcode_i(struct tty *tty, enum tty_code_code code, int a)
1.1 nicm 518: {
519: if (a < 0)
520: return;
1.430 ! nicm 521: tty_puts(tty, tty_term_string_i(tty->term, code, a));
1.1 nicm 522: }
523:
524: void
1.430 ! nicm 525: tty_putcode_ii(struct tty *tty, enum tty_code_code code, int a, int b)
1.1 nicm 526: {
527: if (a < 0 || b < 0)
528: return;
1.430 ! nicm 529: tty_puts(tty, tty_term_string_ii(tty->term, code, a, b));
1.1 nicm 530: }
531:
532: void
1.430 ! nicm 533: tty_putcode_iii(struct tty *tty, enum tty_code_code code, int a, int b, int c)
1.286 nicm 534: {
535: if (a < 0 || b < 0 || c < 0)
536: return;
1.430 ! nicm 537: tty_puts(tty, tty_term_string_iii(tty->term, code, a, b, c));
1.286 nicm 538: }
539:
540: void
1.430 ! nicm 541: tty_putcode_s(struct tty *tty, enum tty_code_code code, const char *a)
1.107 nicm 542: {
543: if (a != NULL)
1.430 ! nicm 544: tty_puts(tty, tty_term_string_s(tty->term, code, a));
1.107 nicm 545: }
546:
547: void
1.430 ! nicm 548: tty_putcode_ss(struct tty *tty, enum tty_code_code code, const char *a,
! 549: const char *b)
1.106 nicm 550: {
551: if (a != NULL && b != NULL)
1.430 ! nicm 552: tty_puts(tty, tty_term_string_ss(tty->term, code, a, b));
1.106 nicm 553: }
554:
1.243 nicm 555: static void
556: tty_add(struct tty *tty, const char *buf, size_t len)
557: {
1.258 nicm 558: struct client *c = tty->client;
559:
1.266 nicm 560: if (tty->flags & TTY_BLOCK) {
561: tty->discarded += len;
562: return;
563: }
564:
1.244 nicm 565: evbuffer_add(tty->out, buf, len);
1.270 nicm 566: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 567: c->written += len;
1.243 nicm 568:
569: if (tty_log_fd != -1)
570: write(tty_log_fd, buf, len);
1.244 nicm 571: if (tty->flags & TTY_STARTED)
572: event_add(&tty->event_out, NULL);
1.243 nicm 573: }
574:
1.106 nicm 575: void
1.1 nicm 576: tty_puts(struct tty *tty, const char *s)
577: {
1.243 nicm 578: if (*s != '\0')
579: tty_add(tty, s, strlen(s));
1.1 nicm 580: }
581:
582: void
583: tty_putc(struct tty *tty, u_char ch)
584: {
1.90 nicm 585: const char *acs;
1.1 nicm 586:
1.382 nicm 587: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 588: ch >= 0x20 && ch != 0x7f &&
589: tty->cy == tty->sy - 1 &&
590: tty->cx + 1 >= tty->sx)
591: return;
592:
1.90 nicm 593: if (tty->cell.attr & GRID_ATTR_CHARSET) {
594: acs = tty_acs_get(tty, ch);
1.243 nicm 595: if (acs != NULL)
596: tty_add(tty, acs, strlen(acs));
597: else
598: tty_add(tty, &ch, 1);
599: } else
600: tty_add(tty, &ch, 1);
1.1 nicm 601:
602: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 603: if (tty->cx >= tty->sx) {
1.46 nicm 604: tty->cx = 1;
605: if (tty->cy != tty->rlower)
606: tty->cy++;
1.211 nicm 607:
608: /*
1.382 nicm 609: * On !am terminals, force the cursor position to where
610: * we think it should be after a line wrap - this means
611: * it works on sensible terminals as well.
1.211 nicm 612: */
1.382 nicm 613: if (tty->term->flags & TERM_NOAM)
1.430 ! nicm 614: tty_putcode_ii(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 615: } else
616: tty->cx++;
617: }
618: }
619:
620: void
1.147 nicm 621: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 622: {
1.382 nicm 623: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 624: tty->cy == tty->sy - 1 &&
625: tty->cx + len >= tty->sx)
626: len = tty->sx - tty->cx - 1;
627:
1.243 nicm 628: tty_add(tty, buf, len);
1.268 nicm 629: if (tty->cx + width > tty->sx) {
630: tty->cx = (tty->cx + width) - tty->sx;
631: if (tty->cx <= tty->sx)
632: tty->cy++;
633: else
634: tty->cx = tty->cy = UINT_MAX;
635: } else
1.254 nicm 636: tty->cx += width;
1.5 nicm 637: }
638:
1.207 nicm 639: static void
1.180 nicm 640: tty_set_italics(struct tty *tty)
641: {
642: const char *s;
643:
644: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 645: s = options_get_string(global_options, "default-terminal");
1.180 nicm 646: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
647: tty_putcode(tty, TTYC_SITM);
648: return;
649: }
650: }
651: tty_putcode(tty, TTYC_SMSO);
652: }
653:
654: void
1.1 nicm 655: tty_set_title(struct tty *tty, const char *title)
656: {
1.105 nicm 657: if (!tty_term_has(tty->term, TTYC_TSL) ||
658: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 659: return;
660:
1.105 nicm 661: tty_putcode(tty, TTYC_TSL);
1.418 nicm 662: tty_puts(tty, title);
663: tty_putcode(tty, TTYC_FSL);
664: }
665:
666: void
667: tty_set_path(struct tty *tty, const char *title)
668: {
669: if (!tty_term_has(tty->term, TTYC_SWD) ||
670: !tty_term_has(tty->term, TTYC_FSL))
671: return;
672:
673: tty_putcode(tty, TTYC_SWD);
1.1 nicm 674: tty_puts(tty, title);
1.105 nicm 675: tty_putcode(tty, TTYC_FSL);
1.1 nicm 676: }
677:
1.208 nicm 678: static void
1.410 nicm 679: tty_force_cursor_colour(struct tty *tty, int c)
1.107 nicm 680: {
1.410 nicm 681: u_char r, g, b;
1.420 nicm 682: char s[13];
1.410 nicm 683:
684: if (c != -1)
685: c = colour_force_rgb(c);
686: if (c == tty->ccolour)
687: return;
688: if (c == -1)
1.107 nicm 689: tty_putcode(tty, TTYC_CR);
1.410 nicm 690: else {
691: colour_split_rgb(c, &r, &g, &b);
692: xsnprintf(s, sizeof s, "rgb:%02hhx/%02hhx/%02hhx", r, g, b);
1.430 ! nicm 693: tty_putcode_s(tty, TTYC_CS, s);
1.410 nicm 694: }
695: tty->ccolour = c;
1.107 nicm 696: }
697:
1.411 nicm 698: static int
699: tty_update_cursor(struct tty *tty, int mode, struct screen *s)
1.404 nicm 700: {
1.410 nicm 701: enum screen_cursor_style cstyle;
1.411 nicm 702: int ccolour, changed, cmode = mode;
1.404 nicm 703:
704: /* Set cursor colour if changed. */
1.410 nicm 705: if (s != NULL) {
706: ccolour = s->ccolour;
707: if (s->ccolour == -1)
708: ccolour = s->default_ccolour;
709: tty_force_cursor_colour(tty, ccolour);
710: }
1.404 nicm 711:
712: /* If cursor is off, set as invisible. */
1.411 nicm 713: if (~cmode & MODE_CURSOR) {
714: if (tty->mode & MODE_CURSOR)
1.404 nicm 715: tty_putcode(tty, TTYC_CIVIS);
1.411 nicm 716: return (cmode);
1.404 nicm 717: }
718:
719: /* Check if blinking or very visible flag changed or style changed. */
720: if (s == NULL)
721: cstyle = tty->cstyle;
1.411 nicm 722: else {
1.404 nicm 723: cstyle = s->cstyle;
1.411 nicm 724: if (cstyle == SCREEN_CURSOR_DEFAULT) {
725: if (~cmode & MODE_CURSOR_BLINKING_SET) {
726: if (s->default_mode & MODE_CURSOR_BLINKING)
727: cmode |= MODE_CURSOR_BLINKING;
728: else
729: cmode &= ~MODE_CURSOR_BLINKING;
730: }
731: cstyle = s->default_cstyle;
732: }
733: }
734:
735: /* If nothing changed, do nothing. */
736: changed = cmode ^ tty->mode;
1.404 nicm 737: if ((changed & CURSOR_MODES) == 0 && cstyle == tty->cstyle)
1.411 nicm 738: return (cmode);
1.404 nicm 739:
740: /*
741: * Set cursor style. If an explicit style has been set with DECSCUSR,
742: * set it if supported, otherwise send cvvis for blinking styles.
743: *
744: * If no style, has been set (SCREEN_CURSOR_DEFAULT), then send cvvis
745: * if either the blinking or very visible flags are set.
746: */
747: tty_putcode(tty, TTYC_CNORM);
748: switch (cstyle) {
749: case SCREEN_CURSOR_DEFAULT:
1.405 nicm 750: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
751: if (tty_term_has(tty->term, TTYC_SE))
752: tty_putcode(tty, TTYC_SE);
753: else
1.430 ! nicm 754: tty_putcode_i(tty, TTYC_SS, 0);
1.405 nicm 755: }
1.411 nicm 756: if (cmode & (MODE_CURSOR_BLINKING|MODE_CURSOR_VERY_VISIBLE))
1.404 nicm 757: tty_putcode(tty, TTYC_CVVIS);
758: break;
759: case SCREEN_CURSOR_BLOCK:
760: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 761: if (cmode & MODE_CURSOR_BLINKING)
1.430 ! nicm 762: tty_putcode_i(tty, TTYC_SS, 1);
1.404 nicm 763: else
1.430 ! nicm 764: tty_putcode_i(tty, TTYC_SS, 2);
1.411 nicm 765: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 766: tty_putcode(tty, TTYC_CVVIS);
767: break;
768: case SCREEN_CURSOR_UNDERLINE:
769: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 770: if (cmode & MODE_CURSOR_BLINKING)
1.430 ! nicm 771: tty_putcode_i(tty, TTYC_SS, 3);
1.404 nicm 772: else
1.430 ! nicm 773: tty_putcode_i(tty, TTYC_SS, 4);
1.411 nicm 774: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 775: tty_putcode(tty, TTYC_CVVIS);
776: break;
777: case SCREEN_CURSOR_BAR:
778: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 779: if (cmode & MODE_CURSOR_BLINKING)
1.430 ! nicm 780: tty_putcode_i(tty, TTYC_SS, 5);
1.404 nicm 781: else
1.430 ! nicm 782: tty_putcode_i(tty, TTYC_SS, 6);
1.411 nicm 783: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 784: tty_putcode(tty, TTYC_CVVIS);
785: break;
786: }
787: tty->cstyle = cstyle;
1.411 nicm 788: return (cmode);
1.404 nicm 789: }
790:
1.107 nicm 791: void
792: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 793: {
1.411 nicm 794: struct tty_term *term = tty->term;
1.404 nicm 795: struct client *c = tty->client;
796: int changed;
1.107 nicm 797:
1.1 nicm 798: if (tty->flags & TTY_NOCURSOR)
799: mode &= ~MODE_CURSOR;
800:
1.411 nicm 801: if (tty_update_cursor(tty, mode, s) & MODE_CURSOR_BLINKING)
802: mode |= MODE_CURSOR_BLINKING;
803: else
804: mode &= ~MODE_CURSOR_BLINKING;
805:
1.1 nicm 806: changed = mode ^ tty->mode;
1.392 nicm 807: if (log_get_level() != 0 && changed != 0) {
808: log_debug("%s: current mode %s", c->name,
809: screen_mode_to_string(tty->mode));
810: log_debug("%s: setting mode %s", c->name,
811: screen_mode_to_string(mode));
812: }
1.344 nicm 813:
1.411 nicm 814: if ((changed & ALL_MOUSE_MODES) && tty_term_has(term, TTYC_KMOUS)) {
1.386 nicm 815: /*
1.415 nicm 816: * If the mouse modes have changed, clear then all and apply
817: * again. There are differences in how terminals track the
818: * various bits.
1.386 nicm 819: */
1.415 nicm 820: tty_puts(tty, "\033[?1006l\033[?1000l\033[?1002l\033[?1003l");
1.344 nicm 821: if (mode & ALL_MOUSE_MODES)
1.153 nicm 822: tty_puts(tty, "\033[?1006h");
1.415 nicm 823: if (mode & MODE_MOUSE_ALL)
824: tty_puts(tty, "\033[?1000h\033[?1002h\033[?1003h");
1.419 nicm 825: else if (mode & MODE_MOUSE_BUTTON)
1.415 nicm 826: tty_puts(tty, "\033[?1000h\033[?1002h");
827: else if (mode & MODE_MOUSE_STANDARD)
1.344 nicm 828: tty_puts(tty, "\033[?1000h");
1.1 nicm 829: }
830: tty->mode = mode;
831: }
832:
1.207 nicm 833: static void
1.168 nicm 834: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
835: enum tty_code_code code1, u_int n)
1.1 nicm 836: {
837: if (tty_term_has(tty->term, code))
1.430 ! nicm 838: tty_putcode_i(tty, code, n);
1.1 nicm 839: else {
840: while (n-- > 0)
841: tty_putcode(tty, code1);
842: }
843: }
844:
1.207 nicm 845: static void
1.133 nicm 846: tty_repeat_space(struct tty *tty, u_int n)
847: {
1.257 nicm 848: static char s[500];
849:
850: if (*s != ' ')
851: memset(s, ' ', sizeof s);
852:
853: while (n > sizeof s) {
854: tty_putn(tty, s, sizeof s, sizeof s);
855: n -= sizeof s;
856: }
857: if (n != 0)
858: tty_putn(tty, s, n, n);
1.304 nicm 859: }
860:
1.309 nicm 861: /* Is this window bigger than the terminal? */
862: int
863: tty_window_bigger(struct tty *tty)
864: {
865: struct client *c = tty->client;
866: struct window *w = c->session->curw->window;
867:
868: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
869: }
870:
871: /* What offset should this window be drawn at? */
872: int
873: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
874: {
875: *ox = tty->oox;
876: *oy = tty->ooy;
877: *sx = tty->osx;
878: *sy = tty->osy;
879:
880: return (tty->oflag);
881: }
882:
883: /* What offset should this window be drawn at? */
884: static int
885: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
886: {
887: struct client *c = tty->client;
888: struct window *w = c->session->curw->window;
1.376 nicm 889: struct window_pane *wp = server_client_get_pane(c);
1.309 nicm 890: u_int cx, cy, lines;
891:
892: lines = status_line_size(c);
893:
894: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
895: *ox = 0;
896: *oy = 0;
897: *sx = w->sx;
898: *sy = w->sy;
899:
900: c->pan_window = NULL;
901: return (0);
902: }
903:
904: *sx = tty->sx;
905: *sy = tty->sy - lines;
906:
907: if (c->pan_window == w) {
908: if (*sx >= w->sx)
909: c->pan_ox = 0;
910: else if (c->pan_ox + *sx > w->sx)
911: c->pan_ox = w->sx - *sx;
912: *ox = c->pan_ox;
913: if (*sy >= w->sy)
914: c->pan_oy = 0;
915: else if (c->pan_oy + *sy > w->sy)
916: c->pan_oy = w->sy - *sy;
917: *oy = c->pan_oy;
918: return (1);
919: }
920:
921: if (~wp->screen->mode & MODE_CURSOR) {
922: *ox = 0;
923: *oy = 0;
924: } else {
925: cx = wp->xoff + wp->screen->cx;
926: cy = wp->yoff + wp->screen->cy;
927:
928: if (cx < *sx)
929: *ox = 0;
930: else if (cx > w->sx - *sx)
931: *ox = w->sx - *sx;
932: else
933: *ox = cx - *sx / 2;
934:
935: if (cy < *sy)
936: *oy = 0;
937: else if (cy > w->sy - *sy)
938: *oy = w->sy - *sy;
939: else
940: *oy = cy - *sy / 2;
941: }
942:
943: c->pan_window = NULL;
944: return (1);
945: }
946:
947: /* Update stored offsets for a window and redraw if necessary. */
948: void
949: tty_update_window_offset(struct window *w)
950: {
951: struct client *c;
952:
953: TAILQ_FOREACH(c, &clients, entry) {
1.413 nicm 954: if (c->session != NULL &&
955: c->session->curw != NULL &&
956: c->session->curw->window == w)
1.309 nicm 957: tty_update_client_offset(c);
958: }
959: }
960:
961: /* Update stored offsets for a client and redraw if necessary. */
962: void
963: tty_update_client_offset(struct client *c)
1.304 nicm 964: {
1.309 nicm 965: u_int ox, oy, sx, sy;
1.314 nicm 966:
967: if (~c->flags & CLIENT_TERMINAL)
968: return;
1.304 nicm 969:
1.309 nicm 970: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
971: if (ox == c->tty.oox &&
972: oy == c->tty.ooy &&
973: sx == c->tty.osx &&
974: sy == c->tty.osy)
975: return;
976:
977: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
978: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
979: ox, oy, sx, sy);
980:
981: c->tty.oox = ox;
982: c->tty.ooy = oy;
983: c->tty.osx = sx;
984: c->tty.osy = sy;
985:
986: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 987: }
988:
1.1 nicm 989: /*
1.119 nicm 990: * Is the region large enough to be worth redrawing once later rather than
991: * probably several times now? Currently yes if it is more than 50% of the
992: * pane.
993: */
1.207 nicm 994: static int
1.194 nicm 995: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 996: {
1.372 nicm 997: return (ctx->orlower - ctx->orupper >= ctx->sy / 2);
1.119 nicm 998: }
999:
1000: /*
1.176 nicm 1001: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
1002: * emulated.
1003: */
1.207 nicm 1004: static int
1.373 nicm 1005: tty_fake_bce(const struct tty *tty, const struct grid_cell *gc, u_int bg)
1.176 nicm 1006: {
1.210 nicm 1007: if (tty_term_flag(tty->term, TTYC_BCE))
1008: return (0);
1.373 nicm 1009: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc->bg))
1.210 nicm 1010: return (1);
1011: return (0);
1.176 nicm 1012: }
1013:
1014: /*
1.1 nicm 1015: * Redraw scroll region using data from screen (already updated). Used when
1016: * CSR not supported, or window is a pane that doesn't take up the full
1017: * width of the terminal.
1018: */
1.207 nicm 1019: static void
1.24 nicm 1020: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1021: {
1.358 nicm 1022: struct client *c = tty->client;
1.204 nicm 1023: u_int i;
1.1 nicm 1024:
1025: /*
1.373 nicm 1026: * If region is large, schedule a redraw. In most cases this is likely
1027: * to be followed by some more scrolling.
1.1 nicm 1028: */
1.119 nicm 1029: if (tty_large_region(tty, ctx)) {
1.373 nicm 1030: log_debug("%s: %s large redraw", __func__, c->name);
1031: ctx->redraw_cb(ctx);
1.1 nicm 1032: return;
1033: }
1034:
1.393 nicm 1035: for (i = ctx->orupper; i <= ctx->orlower; i++)
1036: tty_draw_pane(tty, ctx, i);
1.1 nicm 1037: }
1038:
1.309 nicm 1039: /* Is this position visible in the pane? */
1040: static int
1.374 nicm 1041: tty_is_visible(__unused struct tty *tty, const struct tty_ctx *ctx, u_int px,
1042: u_int py, u_int nx, u_int ny)
1.309 nicm 1043: {
1.374 nicm 1044: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1045:
1046: if (!ctx->bigger)
1047: return (1);
1048:
1.372 nicm 1049: if (xoff + nx <= ctx->wox || xoff >= ctx->wox + ctx->wsx ||
1.374 nicm 1050: yoff + ny <= ctx->woy || yoff >= ctx->woy + ctx->wsy)
1.309 nicm 1051: return (0);
1052: return (1);
1053: }
1054:
1055: /* Clamp line position to visible part of pane. */
1056: static int
1057: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1058: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
1059: {
1.373 nicm 1060: u_int xoff = ctx->rxoff + px;
1.309 nicm 1061:
1062: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
1063: return (0);
1.372 nicm 1064: *ry = ctx->yoff + py - ctx->woy;
1.309 nicm 1065:
1.372 nicm 1066: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1067: /* All visible. */
1068: *i = 0;
1.372 nicm 1069: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1070: *rx = nx;
1.372 nicm 1071: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1072: /* Both left and right not visible. */
1.372 nicm 1073: *i = ctx->wox;
1.309 nicm 1074: *x = 0;
1.372 nicm 1075: *rx = ctx->wsx;
1076: } else if (xoff < ctx->wox) {
1.309 nicm 1077: /* Left not visible. */
1.372 nicm 1078: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1079: *x = 0;
1080: *rx = nx - *i;
1081: } else {
1082: /* Right not visible. */
1083: *i = 0;
1.372 nicm 1084: *x = (ctx->xoff + px) - ctx->wox;
1085: *rx = ctx->wsx - *x;
1.309 nicm 1086: }
1087: if (*rx > nx)
1088: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1089:
1090: return (1);
1091: }
1092:
1093: /* Clear a line. */
1.271 nicm 1094: static void
1.373 nicm 1095: tty_clear_line(struct tty *tty, const struct grid_cell *defaults, u_int py,
1096: u_int px, u_int nx, u_int bg)
1.271 nicm 1097: {
1.406 nicm 1098: struct client *c = tty->client;
1099: struct overlay_ranges r;
1100: u_int i;
1.309 nicm 1101:
1102: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1103:
1104: /* Nothing to clear. */
1105: if (nx == 0)
1106: return;
1107:
1108: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1109: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.271 nicm 1110: /* Off the end of the line, use EL if available. */
1111: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1112: tty_cursor(tty, px, py);
1113: tty_putcode(tty, TTYC_EL);
1114: return;
1115: }
1116:
1117: /* At the start of the line. Use EL1. */
1118: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1119: tty_cursor(tty, px + nx - 1, py);
1120: tty_putcode(tty, TTYC_EL1);
1121: return;
1122: }
1123:
1124: /* Section of line. Use ECH if possible. */
1125: if (tty_term_has(tty->term, TTYC_ECH)) {
1126: tty_cursor(tty, px, py);
1.430 ! nicm 1127: tty_putcode_i(tty, TTYC_ECH, nx);
1.271 nicm 1128: return;
1129: }
1130: }
1131:
1.394 nicm 1132: /*
1133: * Couldn't use an escape sequence, use spaces. Clear only the visible
1134: * bit if there is an overlay.
1135: */
1.406 nicm 1136: tty_check_overlay_range(tty, px, py, nx, &r);
1137: for (i = 0; i < OVERLAY_MAX_RANGES; i++) {
1138: if (r.nx[i] == 0)
1139: continue;
1140: tty_cursor(tty, r.px[i], py);
1141: tty_repeat_space(tty, r.nx[i]);
1.394 nicm 1142: }
1.271 nicm 1143: }
1144:
1.309 nicm 1145: /* Clear a line, adjusting to visible part of pane. */
1146: static void
1147: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1148: u_int px, u_int nx, u_int bg)
1149: {
1150: struct client *c = tty->client;
1151: u_int i, x, rx, ry;
1152:
1153: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1154:
1155: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1.373 nicm 1156: tty_clear_line(tty, &ctx->defaults, ry, x, rx, bg);
1.309 nicm 1157: }
1158:
1159: /* Clamp area position to visible part of pane. */
1160: static int
1161: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1162: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1163: u_int *ry)
1164: {
1.373 nicm 1165: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1166:
1167: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1168: return (0);
1169:
1.372 nicm 1170: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1171: /* All visible. */
1172: *i = 0;
1.372 nicm 1173: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1174: *rx = nx;
1.372 nicm 1175: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1176: /* Both left and right not visible. */
1.372 nicm 1177: *i = ctx->wox;
1.309 nicm 1178: *x = 0;
1.372 nicm 1179: *rx = ctx->wsx;
1180: } else if (xoff < ctx->wox) {
1.309 nicm 1181: /* Left not visible. */
1.372 nicm 1182: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1183: *x = 0;
1184: *rx = nx - *i;
1185: } else {
1186: /* Right not visible. */
1187: *i = 0;
1.372 nicm 1188: *x = (ctx->xoff + px) - ctx->wox;
1189: *rx = ctx->wsx - *x;
1.309 nicm 1190: }
1191: if (*rx > nx)
1192: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1193:
1.372 nicm 1194: if (yoff >= ctx->woy && yoff + ny <= ctx->woy + ctx->wsy) {
1.309 nicm 1195: /* All visible. */
1196: *j = 0;
1.372 nicm 1197: *y = ctx->yoff + py - ctx->woy;
1.309 nicm 1198: *ry = ny;
1.372 nicm 1199: } else if (yoff < ctx->woy && yoff + ny > ctx->woy + ctx->wsy) {
1.327 nicm 1200: /* Both top and bottom not visible. */
1.372 nicm 1201: *j = ctx->woy;
1.309 nicm 1202: *y = 0;
1.372 nicm 1203: *ry = ctx->wsy;
1204: } else if (yoff < ctx->woy) {
1.327 nicm 1205: /* Top not visible. */
1.372 nicm 1206: *j = ctx->woy - (ctx->yoff + py);
1.309 nicm 1207: *y = 0;
1208: *ry = ny - *j;
1209: } else {
1.327 nicm 1210: /* Bottom not visible. */
1.309 nicm 1211: *j = 0;
1.372 nicm 1212: *y = (ctx->yoff + py) - ctx->woy;
1213: *ry = ctx->wsy - *y;
1.309 nicm 1214: }
1215: if (*ry > ny)
1216: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1217:
1218: return (1);
1219: }
1220:
1221: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1222: static void
1.373 nicm 1223: tty_clear_area(struct tty *tty, const struct grid_cell *defaults, u_int py,
1224: u_int ny, u_int px, u_int nx, u_int bg)
1.271 nicm 1225: {
1.309 nicm 1226: struct client *c = tty->client;
1227: u_int yy;
1228: char tmp[64];
1.271 nicm 1229:
1.309 nicm 1230: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1231:
1232: /* Nothing to clear. */
1233: if (nx == 0 || ny == 0)
1234: return;
1235:
1236: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1237: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.276 nicm 1238: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1239: if (px == 0 &&
1240: px + nx >= tty->sx &&
1241: py + ny >= tty->sy &&
1242: tty_term_has(tty->term, TTYC_ED)) {
1243: tty_cursor(tty, 0, py);
1244: tty_putcode(tty, TTYC_ED);
1.274 nicm 1245: return;
1246: }
1247:
1248: /*
1.276 nicm 1249: * On VT420 compatible terminals we can use DECFRA if the
1250: * background colour isn't default (because it doesn't work
1251: * after SGR 0).
1.274 nicm 1252: */
1.359 nicm 1253: if ((tty->term->flags & TERM_DECFRA) && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1254: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1255: py + 1, px + 1, py + ny, px + nx);
1256: tty_puts(tty, tmp);
1.276 nicm 1257: return;
1258: }
1259:
1.280 nicm 1260: /* Full lines can be scrolled away to clear them. */
1261: if (px == 0 &&
1.281 nicm 1262: px + nx >= tty->sx &&
1.280 nicm 1263: ny > 2 &&
1264: tty_term_has(tty->term, TTYC_CSR) &&
1265: tty_term_has(tty->term, TTYC_INDN)) {
1266: tty_region(tty, py, py + ny - 1);
1267: tty_margin_off(tty);
1.430 ! nicm 1268: tty_putcode_i(tty, TTYC_INDN, ny);
1.280 nicm 1269: return;
1270: }
1271:
1.276 nicm 1272: /*
1273: * If margins are supported, can just scroll the area off to
1274: * clear it.
1275: */
1.277 nicm 1276: if (nx > 2 &&
1277: ny > 2 &&
1.280 nicm 1278: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1279: tty_use_margin(tty) &&
1280: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1281: tty_region(tty, py, py + ny - 1);
1282: tty_margin(tty, px, px + nx - 1);
1.430 ! nicm 1283: tty_putcode_i(tty, TTYC_INDN, ny);
1.271 nicm 1284: return;
1285: }
1286: }
1287:
1288: /* Couldn't use an escape sequence, loop over the lines. */
1289: for (yy = py; yy < py + ny; yy++)
1.373 nicm 1290: tty_clear_line(tty, defaults, yy, px, nx, bg);
1.271 nicm 1291: }
1292:
1.309 nicm 1293: /* Clear an area in a pane. */
1294: static void
1295: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1296: u_int ny, u_int px, u_int nx, u_int bg)
1297: {
1298: u_int i, j, x, y, rx, ry;
1299:
1300: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1.373 nicm 1301: tty_clear_area(tty, &ctx->defaults, y, ry, x, rx, bg);
1.309 nicm 1302: }
1303:
1304: static void
1305: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1306: {
1.373 nicm 1307: struct screen *s = ctx->s;
1308: u_int nx = ctx->sx, i, x, rx, ry;
1.309 nicm 1309:
1310: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1311:
1312: if (!ctx->bigger) {
1.373 nicm 1313: tty_draw_line(tty, s, 0, py, nx, ctx->xoff, ctx->yoff + py,
1314: &ctx->defaults, ctx->palette);
1.309 nicm 1315: return;
1316: }
1.373 nicm 1317: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry)) {
1318: tty_draw_line(tty, s, i, py, rx, x, ry, &ctx->defaults,
1319: ctx->palette);
1320: }
1.176 nicm 1321: }
1322:
1.298 nicm 1323: static const struct grid_cell *
1324: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1325: {
1326: static struct grid_cell new;
1.377 nicm 1327: int c;
1.298 nicm 1328:
1329: /* Characters less than 0x7f are always fine, no matter what. */
1330: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1331: return (gc);
1332:
1333: /* UTF-8 terminal and a UTF-8 character - fine. */
1.359 nicm 1334: if (tty->client->flags & CLIENT_UTF8)
1.298 nicm 1335: return (gc);
1.377 nicm 1336: memcpy(&new, gc, sizeof new);
1337:
1338: /* See if this can be mapped to an ACS character. */
1339: c = tty_acs_reverse_get(tty, gc->data.data, gc->data.size);
1340: if (c != -1) {
1341: utf8_set(&new.data, c);
1342: new.attr |= GRID_ATTR_CHARSET;
1343: return (&new);
1344: }
1.298 nicm 1345:
1346: /* Replace by the right number of underscores. */
1.377 nicm 1347: new.data.size = gc->data.width;
1348: if (new.data.size > UTF8_SIZE)
1349: new.data.size = UTF8_SIZE;
1350: memset(new.data.data, '_', new.data.size);
1.298 nicm 1351: return (&new);
1352: }
1353:
1.406 nicm 1354: /*
1355: * Check if a single character is obstructed by the overlay and return a
1356: * boolean.
1357: */
1.346 nicm 1358: static int
1359: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1360: {
1.406 nicm 1361: struct overlay_ranges r;
1362:
1363: /*
1364: * A unit width range will always return nx[2] == 0 from a check, even
1365: * with multiple overlays, so it's sufficient to check just the first
1366: * two entries.
1367: */
1368: tty_check_overlay_range(tty, px, py, 1, &r);
1369: if (r.nx[0] + r.nx[1] == 0)
1370: return (0);
1371: return (1);
1372: }
1373:
1374: /* Return parts of the input range which are visible. */
1375: static void
1376: tty_check_overlay_range(struct tty *tty, u_int px, u_int py, u_int nx,
1377: struct overlay_ranges *r)
1378: {
1.346 nicm 1379: struct client *c = tty->client;
1380:
1.406 nicm 1381: if (c->overlay_check == NULL) {
1382: r->px[0] = px;
1383: r->nx[0] = nx;
1384: r->px[1] = 0;
1385: r->nx[1] = 0;
1386: r->px[2] = 0;
1387: r->nx[2] = 0;
1388: return;
1389: }
1390:
1391: c->overlay_check(c, c->overlay_data, px, py, nx, r);
1.346 nicm 1392: }
1393:
1.176 nicm 1394: void
1.373 nicm 1395: tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
1.399 nicm 1396: u_int atx, u_int aty, const struct grid_cell *defaults,
1397: struct colour_palette *palette)
1.1 nicm 1398: {
1.297 nicm 1399: struct grid *gd = s->grid;
1.250 nicm 1400: struct grid_cell gc, last;
1.298 nicm 1401: const struct grid_cell *gcp;
1.309 nicm 1402: struct grid_line *gl;
1.394 nicm 1403: struct client *c = tty->client;
1.406 nicm 1404: struct overlay_ranges r;
1405: u_int i, j, ux, sx, width, hidden, eux, nxx;
1406: u_int cellsize;
1.396 nicm 1407: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1408: char buf[512];
1.315 nicm 1409: size_t len;
1.1 nicm 1410:
1.309 nicm 1411: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1412: px, py, nx, atx, aty);
1.399 nicm 1413: log_debug("%s: defaults: fg=%d, bg=%d", __func__, defaults->fg,
1414: defaults->bg);
1.309 nicm 1415:
1416: /*
1417: * py is the line in the screen to draw.
1418: * px is the start x and nx is the width to draw.
1419: * atx,aty is the line on the terminal to draw it.
1420: */
1421:
1.259 nicm 1422: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1423: tty->flags |= TTY_NOCURSOR;
1424: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1425:
1.214 nicm 1426: tty_region_off(tty);
1427: tty_margin_off(tty);
1428:
1.273 nicm 1429: /*
1430: * Clamp the width to cellsize - note this is not cellused, because
1431: * there may be empty background cells after it (from BCE).
1432: */
1.1 nicm 1433: sx = screen_size_x(s);
1.309 nicm 1434: if (nx > sx)
1435: nx = sx;
1.303 nicm 1436: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1437: if (sx > cellsize)
1438: sx = cellsize;
1.1 nicm 1439: if (sx > tty->sx)
1440: sx = tty->sx;
1.309 nicm 1441: if (sx > nx)
1442: sx = nx;
1.292 nicm 1443: ux = 0;
1.1 nicm 1444:
1.309 nicm 1445: if (py == 0)
1446: gl = NULL;
1447: else
1448: gl = grid_get_line(gd, gd->hsize + py - 1);
1.373 nicm 1449: if (gl == NULL ||
1.309 nicm 1450: (~gl->flags & GRID_LINE_WRAPPED) ||
1451: atx != 0 ||
1.268 nicm 1452: tty->cx < tty->sx ||
1.309 nicm 1453: nx < tty->sx) {
1454: if (nx < tty->sx &&
1455: atx == 0 &&
1456: px + sx != nx &&
1.268 nicm 1457: tty_term_has(tty->term, TTYC_EL1) &&
1.394 nicm 1458: !tty_fake_bce(tty, defaults, 8) &&
1459: c->overlay_check == NULL) {
1.421 nicm 1460: tty_default_attributes(tty, defaults, palette, 8,
1461: s->hyperlinks);
1.309 nicm 1462: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1463: tty_putcode(tty, TTYC_EL1);
1464: cleared = 1;
1465: }
1.329 nicm 1466: } else {
1.309 nicm 1467: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1468: wrapped = 1;
1469: }
1.250 nicm 1470:
1471: memcpy(&last, &grid_default_cell, sizeof last);
1472: len = 0;
1473: width = 0;
1.46 nicm 1474:
1.1 nicm 1475: for (i = 0; i < sx; i++) {
1.309 nicm 1476: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1477: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1478: if (len != 0 &&
1.346 nicm 1479: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1480: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1481: gcp->flags != last.flags ||
1482: gcp->attr != last.attr ||
1483: gcp->fg != last.fg ||
1484: gcp->bg != last.bg ||
1.328 nicm 1485: gcp->us != last.us ||
1.421 nicm 1486: gcp->link != last.link ||
1.315 nicm 1487: ux + width + gcp->data.width > nx ||
1.298 nicm 1488: (sizeof buf) - len < gcp->data.size)) {
1.421 nicm 1489: tty_attributes(tty, &last, defaults, palette,
1490: s->hyperlinks);
1.315 nicm 1491: if (last.flags & GRID_FLAG_CLEARED) {
1492: log_debug("%s: %zu cleared", __func__, len);
1.373 nicm 1493: tty_clear_line(tty, defaults, aty, atx + ux,
1494: width, last.bg);
1.315 nicm 1495: } else {
1.329 nicm 1496: if (!wrapped || atx != 0 || ux != 0)
1497: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1498: tty_putn(tty, buf, len, width);
1499: }
1.292 nicm 1500: ux += width;
1.250 nicm 1501:
1502: len = 0;
1503: width = 0;
1.329 nicm 1504: wrapped = 0;
1.250 nicm 1505: }
1506:
1.298 nicm 1507: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1508: screen_select_cell(s, &last, gcp);
1.250 nicm 1509: else
1.299 nicm 1510: memcpy(&last, gcp, sizeof last);
1.395 nicm 1511:
1.406 nicm 1512: tty_check_overlay_range(tty, atx + ux, aty, gcp->data.width,
1513: &r);
1.395 nicm 1514: hidden = 0;
1.406 nicm 1515: for (j = 0; j < OVERLAY_MAX_RANGES; j++)
1516: hidden += r.nx[j];
1517: hidden = gcp->data.width - hidden;
1.396 nicm 1518: if (hidden != 0 && hidden == gcp->data.width) {
1519: if (~gcp->flags & GRID_FLAG_PADDING)
1520: ux += gcp->data.width;
1521: } else if (hidden != 0 || ux + gcp->data.width > nx) {
1.395 nicm 1522: if (~gcp->flags & GRID_FLAG_PADDING) {
1.421 nicm 1523: tty_attributes(tty, &last, defaults, palette,
1524: s->hyperlinks);
1.406 nicm 1525: for (j = 0; j < OVERLAY_MAX_RANGES; j++) {
1526: if (r.nx[j] == 0)
1527: continue;
1528: /* Effective width drawn so far. */
1529: eux = r.px[j] - atx;
1530: if (eux < nx) {
1531: tty_cursor(tty, r.px[j], aty);
1532: nxx = nx - eux;
1533: if (r.nx[j] > nxx)
1534: r.nx[j] = nxx;
1535: tty_repeat_space(tty, r.nx[j]);
1536: ux = eux + r.nx[j];
1.397 nicm 1537: }
1.395 nicm 1538: }
1.297 nicm 1539: }
1.299 nicm 1540: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1.421 nicm 1541: tty_attributes(tty, &last, defaults, palette,
1542: s->hyperlinks);
1.315 nicm 1543: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1544: for (j = 0; j < gcp->data.size; j++)
1545: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1546: ux += gcp->data.width;
1.381 nicm 1547: } else if (~gcp->flags & GRID_FLAG_PADDING) {
1.298 nicm 1548: memcpy(buf + len, gcp->data.data, gcp->data.size);
1549: len += gcp->data.size;
1550: width += gcp->data.width;
1.250 nicm 1551: }
1552: }
1.315 nicm 1553: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.421 nicm 1554: tty_attributes(tty, &last, defaults, palette, s->hyperlinks);
1.315 nicm 1555: if (last.flags & GRID_FLAG_CLEARED) {
1556: log_debug("%s: %zu cleared (end)", __func__, len);
1.373 nicm 1557: tty_clear_line(tty, defaults, aty, atx + ux, width,
1558: last.bg);
1.315 nicm 1559: } else {
1.329 nicm 1560: if (!wrapped || atx != 0 || ux != 0)
1561: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1562: tty_putn(tty, buf, len, width);
1563: }
1.315 nicm 1564: ux += width;
1.1 nicm 1565: }
1566:
1.309 nicm 1567: if (!cleared && ux < nx) {
1.315 nicm 1568: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1569: nx - ux, len);
1.421 nicm 1570: tty_default_attributes(tty, defaults, palette, 8,
1571: s->hyperlinks);
1.373 nicm 1572: tty_clear_line(tty, defaults, aty, atx + ux, nx - ux, 8);
1.35 nicm 1573: }
1.1 nicm 1574:
1.181 nicm 1575: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1576: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1577: }
1578:
1.348 nicm 1579: void
1580: tty_sync_start(struct tty *tty)
1581: {
1.361 nicm 1582: if (tty->flags & TTY_BLOCK)
1583: return;
1584: if (tty->flags & TTY_SYNCING)
1585: return;
1586: tty->flags |= TTY_SYNCING;
1587:
1588: if (tty_term_has(tty->term, TTYC_SYNC)) {
1589: log_debug("%s sync start", tty->client->name);
1.430 ! nicm 1590: tty_putcode_i(tty, TTYC_SYNC, 1);
1.357 nicm 1591: }
1.348 nicm 1592: }
1593:
1594: void
1595: tty_sync_end(struct tty *tty)
1596: {
1.361 nicm 1597: if (tty->flags & TTY_BLOCK)
1598: return;
1599: if (~tty->flags & TTY_SYNCING)
1600: return;
1601: tty->flags &= ~TTY_SYNCING;
1602:
1603: if (tty_term_has(tty->term, TTYC_SYNC)) {
1604: log_debug("%s sync end", tty->client->name);
1.430 ! nicm 1605: tty_putcode_i(tty, TTYC_SYNC, 2);
1.357 nicm 1606: }
1.348 nicm 1607: }
1608:
1.201 nicm 1609: static int
1.428 nicm 1610: tty_client_ready(const struct tty_ctx *ctx, struct client *c)
1.182 nicm 1611: {
1612: if (c->session == NULL || c->tty.term == NULL)
1613: return (0);
1.428 nicm 1614: if (c->flags & CLIENT_SUSPENDED)
1615: return (0);
1616:
1617: /*
1618: * If invisible panes are allowed (used for passthrough), don't care if
1619: * redrawing or frozen.
1620: */
1621: if (ctx->allow_invisible_panes)
1622: return (1);
1623:
1624: if (c->flags & CLIENT_REDRAWWINDOW)
1.182 nicm 1625: return (0);
1626: if (c->tty.flags & TTY_FREEZE)
1627: return (0);
1628: return (1);
1629: }
1630:
1.15 nicm 1631: void
1.182 nicm 1632: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1633: struct tty_ctx *ctx)
1.15 nicm 1634: {
1.373 nicm 1635: struct client *c;
1636: int state;
1.15 nicm 1637:
1.373 nicm 1638: if (ctx->set_client_cb == NULL)
1.15 nicm 1639: return;
1.178 nicm 1640: TAILQ_FOREACH(c, &clients, entry) {
1.428 nicm 1641: if (tty_client_ready(ctx, c)) {
1.423 nicm 1642: state = ctx->set_client_cb(ctx, c);
1643: if (state == -1)
1644: break;
1645: if (state == 0)
1646: continue;
1.428 nicm 1647: cmdfn(&c->tty, ctx);
1.423 nicm 1648: }
1.1 nicm 1649: }
1650: }
1651:
1652: void
1.24 nicm 1653: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1654: {
1.394 nicm 1655: struct client *c = tty->client;
1656:
1.309 nicm 1657: if (ctx->bigger ||
1.372 nicm 1658: !tty_full_width(tty, ctx) ||
1.373 nicm 1659: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.210 nicm 1660: (!tty_term_has(tty->term, TTYC_ICH) &&
1.394 nicm 1661: !tty_term_has(tty->term, TTYC_ICH1)) ||
1662: c->overlay_check != NULL) {
1.309 nicm 1663: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1664: return;
1665: }
1666:
1.421 nicm 1667: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1668: ctx->s->hyperlinks);
1.1 nicm 1669:
1.77 nicm 1670: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1671:
1.206 nicm 1672: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1673: }
1674:
1675: void
1.24 nicm 1676: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1677: {
1.394 nicm 1678: struct client *c = tty->client;
1679:
1.309 nicm 1680: if (ctx->bigger ||
1.372 nicm 1681: !tty_full_width(tty, ctx) ||
1.373 nicm 1682: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.26 nicm 1683: (!tty_term_has(tty->term, TTYC_DCH) &&
1.394 nicm 1684: !tty_term_has(tty->term, TTYC_DCH1)) ||
1685: c->overlay_check != NULL) {
1.309 nicm 1686: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1687: return;
1688: }
1689:
1.421 nicm 1690: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1691: ctx->s->hyperlinks);
1.1 nicm 1692:
1.77 nicm 1693: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1694:
1.206 nicm 1695: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1696: }
1697:
1698: void
1699: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1700: {
1.421 nicm 1701: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1702: ctx->s->hyperlinks);
1.146 nicm 1703:
1.388 nicm 1704: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, ctx->num, ctx->bg);
1.1 nicm 1705: }
1706:
1707: void
1.24 nicm 1708: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1709: {
1.394 nicm 1710: struct client *c = tty->client;
1711:
1.309 nicm 1712: if (ctx->bigger ||
1.372 nicm 1713: !tty_full_width(tty, ctx) ||
1.373 nicm 1714: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.77 nicm 1715: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1716: !tty_term_has(tty->term, TTYC_IL1) ||
1.373 nicm 1717: ctx->sx == 1 ||
1.394 nicm 1718: ctx->sy == 1 ||
1719: c->overlay_check != NULL) {
1.14 nicm 1720: tty_redraw_region(tty, ctx);
1.1 nicm 1721: return;
1722: }
1723:
1.421 nicm 1724: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1725: ctx->s->hyperlinks);
1.1 nicm 1726:
1.77 nicm 1727: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1728: tty_margin_off(tty);
1.77 nicm 1729: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1730:
1.12 nicm 1731: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1732: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1733: }
1734:
1735: void
1.24 nicm 1736: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1737: {
1.394 nicm 1738: struct client *c = tty->client;
1739:
1.309 nicm 1740: if (ctx->bigger ||
1.372 nicm 1741: !tty_full_width(tty, ctx) ||
1.373 nicm 1742: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.72 nicm 1743: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1744: !tty_term_has(tty->term, TTYC_DL1) ||
1.373 nicm 1745: ctx->sx == 1 ||
1.394 nicm 1746: ctx->sy == 1 ||
1747: c->overlay_check != NULL) {
1.14 nicm 1748: tty_redraw_region(tty, ctx);
1.1 nicm 1749: return;
1750: }
1751:
1.421 nicm 1752: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1753: ctx->s->hyperlinks);
1.1 nicm 1754:
1.77 nicm 1755: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1756: tty_margin_off(tty);
1.77 nicm 1757: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1758:
1.12 nicm 1759: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1760: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1761: }
1762:
1763: void
1.24 nicm 1764: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1765: {
1.421 nicm 1766: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1767: ctx->s->hyperlinks);
1.1 nicm 1768:
1.372 nicm 1769: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->sx, ctx->bg);
1.1 nicm 1770: }
1771:
1772: void
1.24 nicm 1773: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1774: {
1.373 nicm 1775: u_int nx = ctx->sx - ctx->ocx;
1.1 nicm 1776:
1.421 nicm 1777: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1778: ctx->s->hyperlinks);
1.1 nicm 1779:
1.309 nicm 1780: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1781: }
1782:
1783: void
1.24 nicm 1784: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1785: {
1.421 nicm 1786: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1787: ctx->s->hyperlinks);
1.1 nicm 1788:
1.309 nicm 1789: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1790: }
1791:
1792: void
1.24 nicm 1793: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1794: {
1.394 nicm 1795: struct client *c = tty->client;
1796:
1.56 nicm 1797: if (ctx->ocy != ctx->orupper)
1798: return;
1799:
1.309 nicm 1800: if (ctx->bigger ||
1.372 nicm 1801: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1802: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.70 nicm 1803: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1804: (!tty_term_has(tty->term, TTYC_RI) &&
1805: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1806: ctx->sx == 1 ||
1.394 nicm 1807: ctx->sy == 1 ||
1808: c->overlay_check != NULL) {
1.14 nicm 1809: tty_redraw_region(tty, ctx);
1.1 nicm 1810: return;
1811: }
1812:
1.421 nicm 1813: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1814: ctx->s->hyperlinks);
1.77 nicm 1815:
1.56 nicm 1816: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1817: tty_margin_pane(tty, ctx);
1.56 nicm 1818: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1819:
1.331 nicm 1820: if (tty_term_has(tty->term, TTYC_RI))
1821: tty_putcode(tty, TTYC_RI);
1822: else
1.430 ! nicm 1823: tty_putcode_i(tty, TTYC_RIN, 1);
1.1 nicm 1824: }
1825:
1826: void
1.24 nicm 1827: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1828: {
1.394 nicm 1829: struct client *c = tty->client;
1830:
1.56 nicm 1831: if (ctx->ocy != ctx->orlower)
1832: return;
1833:
1.309 nicm 1834: if (ctx->bigger ||
1.372 nicm 1835: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1836: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1837: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1838: ctx->sx == 1 ||
1.394 nicm 1839: ctx->sy == 1 ||
1840: c->overlay_check != NULL) {
1.236 nicm 1841: tty_redraw_region(tty, ctx);
1.1 nicm 1842: return;
1843: }
1.52 nicm 1844:
1.421 nicm 1845: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1846: ctx->s->hyperlinks);
1.77 nicm 1847:
1.56 nicm 1848: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1849: tty_margin_pane(tty, ctx);
1850:
1851: /*
1.301 nicm 1852: * If we want to wrap a pane while using margins, the cursor needs to
1853: * be exactly on the right of the region. If the cursor is entirely off
1854: * the edge - move it back to the right. Some terminals are funny about
1855: * this and insert extra spaces, so only use the right if margins are
1856: * enabled.
1.212 nicm 1857: */
1.301 nicm 1858: if (ctx->xoff + ctx->ocx > tty->rright) {
1859: if (!tty_use_margin(tty))
1860: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1861: else
1862: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1863: } else
1.212 nicm 1864: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1865:
1.56 nicm 1866: tty_putc(tty, '\n');
1.240 nicm 1867: }
1868:
1869: void
1870: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1871: {
1.394 nicm 1872: struct client *c = tty->client;
1873: u_int i;
1.240 nicm 1874:
1.309 nicm 1875: if (ctx->bigger ||
1.372 nicm 1876: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1877: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1878: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1879: ctx->sx == 1 ||
1.394 nicm 1880: ctx->sy == 1 ||
1881: c->overlay_check != NULL) {
1.240 nicm 1882: tty_redraw_region(tty, ctx);
1883: return;
1884: }
1885:
1.421 nicm 1886: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1887: ctx->s->hyperlinks);
1.240 nicm 1888:
1889: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1890: tty_margin_pane(tty, ctx);
1891:
1.284 nicm 1892: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1893: if (!tty_use_margin(tty))
1894: tty_cursor(tty, 0, tty->rlower);
1895: else
1896: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1897: for (i = 0; i < ctx->num; i++)
1.240 nicm 1898: tty_putc(tty, '\n');
1.301 nicm 1899: } else {
1.353 nicm 1900: if (tty->cy == UINT_MAX)
1901: tty_cursor(tty, 0, 0);
1902: else
1903: tty_cursor(tty, 0, tty->cy);
1.430 ! nicm 1904: tty_putcode_i(tty, TTYC_INDN, ctx->num);
1.331 nicm 1905: }
1906: }
1907:
1908: void
1909: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1910: {
1.394 nicm 1911: u_int i;
1912: struct client *c = tty->client;
1.331 nicm 1913:
1914: if (ctx->bigger ||
1.372 nicm 1915: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1916: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.331 nicm 1917: !tty_term_has(tty->term, TTYC_CSR) ||
1918: (!tty_term_has(tty->term, TTYC_RI) &&
1919: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1920: ctx->sx == 1 ||
1.394 nicm 1921: ctx->sy == 1 ||
1922: c->overlay_check != NULL) {
1.331 nicm 1923: tty_redraw_region(tty, ctx);
1924: return;
1925: }
1926:
1.421 nicm 1927: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1928: ctx->s->hyperlinks);
1.331 nicm 1929:
1930: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1931: tty_margin_pane(tty, ctx);
1932: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1933:
1934: if (tty_term_has(tty->term, TTYC_RIN))
1.430 ! nicm 1935: tty_putcode_i(tty, TTYC_RIN, ctx->num);
1.331 nicm 1936: else {
1937: for (i = 0; i < ctx->num; i++)
1938: tty_putcode(tty, TTYC_RI);
1.301 nicm 1939: }
1.1 nicm 1940: }
1941:
1942: void
1.24 nicm 1943: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1944: {
1.373 nicm 1945: u_int px, py, nx, ny;
1.1 nicm 1946:
1.421 nicm 1947: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1948: ctx->s->hyperlinks);
1.1 nicm 1949:
1.372 nicm 1950: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1951: tty_margin_off(tty);
1.39 nicm 1952:
1.309 nicm 1953: px = 0;
1.372 nicm 1954: nx = ctx->sx;
1.309 nicm 1955: py = ctx->ocy + 1;
1.372 nicm 1956: ny = ctx->sy - ctx->ocy - 1;
1.271 nicm 1957:
1.309 nicm 1958: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1959:
1.309 nicm 1960: px = ctx->ocx;
1.372 nicm 1961: nx = ctx->sx - ctx->ocx;
1.309 nicm 1962: py = ctx->ocy;
1.271 nicm 1963:
1.309 nicm 1964: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1965: }
1966:
1967: void
1.24 nicm 1968: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1969: {
1.373 nicm 1970: u_int px, py, nx, ny;
1.1 nicm 1971:
1.421 nicm 1972: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1973: ctx->s->hyperlinks);
1.1 nicm 1974:
1.372 nicm 1975: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1976: tty_margin_off(tty);
1.39 nicm 1977:
1.309 nicm 1978: px = 0;
1.372 nicm 1979: nx = ctx->sx;
1.309 nicm 1980: py = 0;
1.319 nicm 1981: ny = ctx->ocy;
1.271 nicm 1982:
1.309 nicm 1983: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1984:
1.309 nicm 1985: px = 0;
1.271 nicm 1986: nx = ctx->ocx + 1;
1.309 nicm 1987: py = ctx->ocy;
1.271 nicm 1988:
1.309 nicm 1989: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1990: }
1991:
1992: void
1.24 nicm 1993: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1994: {
1.373 nicm 1995: u_int px, py, nx, ny;
1.1 nicm 1996:
1.421 nicm 1997: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1998: ctx->s->hyperlinks);
1.1 nicm 1999:
1.372 nicm 2000: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 2001: tty_margin_off(tty);
1.39 nicm 2002:
1.309 nicm 2003: px = 0;
1.372 nicm 2004: nx = ctx->sx;
1.309 nicm 2005: py = 0;
1.372 nicm 2006: ny = ctx->sy;
1.271 nicm 2007:
1.309 nicm 2008: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 2009: }
2010:
2011: void
1.24 nicm 2012: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 2013: {
1.373 nicm 2014: u_int i, j;
1.4 nicm 2015:
1.309 nicm 2016: if (ctx->bigger) {
1.373 nicm 2017: ctx->redraw_cb(ctx);
1.309 nicm 2018: return;
2019: }
2020:
1.421 nicm 2021: tty_attributes(tty, &grid_default_cell, &ctx->defaults, ctx->palette,
2022: ctx->s->hyperlinks);
1.4 nicm 2023:
1.372 nicm 2024: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 2025: tty_margin_off(tty);
1.4 nicm 2026:
1.372 nicm 2027: for (j = 0; j < ctx->sy; j++) {
1.41 nicm 2028: tty_cursor_pane(tty, ctx, 0, j);
1.372 nicm 2029: for (i = 0; i < ctx->sx; i++)
1.4 nicm 2030: tty_putc(tty, 'E');
1.1 nicm 2031: }
2032: }
2033:
2034: void
1.24 nicm 2035: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 2036: {
1.394 nicm 2037: const struct grid_cell *gcp = ctx->cell;
2038: struct screen *s = ctx->s;
1.406 nicm 2039: struct overlay_ranges r;
2040: u_int px, py, i, vis = 0;
1.394 nicm 2041:
2042: px = ctx->xoff + ctx->ocx - ctx->wox;
2043: py = ctx->yoff + ctx->ocy - ctx->woy;
2044: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1) ||
2045: (gcp->data.width == 1 && !tty_check_overlay(tty, px, py)))
2046: return;
2047:
2048: /* Handle partially obstructed wide characters. */
2049: if (gcp->data.width > 1) {
1.406 nicm 2050: tty_check_overlay_range(tty, px, py, gcp->data.width, &r);
2051: for (i = 0; i < OVERLAY_MAX_RANGES; i++)
2052: vis += r.nx[i];
2053: if (vis < gcp->data.width) {
1.408 nicm 2054: tty_draw_line(tty, s, s->cx, s->cy, gcp->data.width,
2055: px, py, &ctx->defaults, ctx->palette);
2056: return;
1.394 nicm 2057: }
2058: }
1.309 nicm 2059:
1.372 nicm 2060: if (ctx->xoff + ctx->ocx - ctx->wox > tty->sx - 1 &&
1.306 nicm 2061: ctx->ocy == ctx->orlower &&
1.372 nicm 2062: tty_full_width(tty, ctx))
1.306 nicm 2063: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 2064:
1.306 nicm 2065: tty_margin_off(tty);
1.253 nicm 2066: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 2067:
1.421 nicm 2068: tty_cell(tty, ctx->cell, &ctx->defaults, ctx->palette,
2069: ctx->s->hyperlinks);
1.239 nicm 2070: }
2071:
2072: void
2073: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
2074: {
1.407 nicm 2075: struct overlay_ranges r;
2076: u_int i, px, py, cx;
2077: char *cp = ctx->ptr;
1.394 nicm 2078:
1.309 nicm 2079: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
2080: return;
2081:
2082: if (ctx->bigger &&
1.372 nicm 2083: (ctx->xoff + ctx->ocx < ctx->wox ||
2084: ctx->xoff + ctx->ocx + ctx->num > ctx->wox + ctx->wsx)) {
1.309 nicm 2085: if (!ctx->wrapped ||
1.372 nicm 2086: !tty_full_width(tty, ctx) ||
1.382 nicm 2087: (tty->term->flags & TERM_NOAM) ||
1.309 nicm 2088: ctx->xoff + ctx->ocx != 0 ||
2089: ctx->yoff + ctx->ocy != tty->cy + 1 ||
2090: tty->cx < tty->sx ||
2091: tty->cy == tty->rlower)
2092: tty_draw_pane(tty, ctx, ctx->ocy);
2093: else
1.373 nicm 2094: ctx->redraw_cb(ctx);
1.309 nicm 2095: return;
2096: }
2097:
1.306 nicm 2098: tty_margin_off(tty);
1.253 nicm 2099: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.421 nicm 2100: tty_attributes(tty, ctx->cell, &ctx->defaults, ctx->palette, ctx->s->hyperlinks);
1.239 nicm 2101:
1.407 nicm 2102: /* Get tty position from pane position for overlay check. */
2103: px = ctx->xoff + ctx->ocx - ctx->wox;
2104: py = ctx->yoff + ctx->ocy - ctx->woy;
2105:
2106: tty_check_overlay_range(tty, px, py, ctx->num, &r);
1.406 nicm 2107: for (i = 0; i < OVERLAY_MAX_RANGES; i++) {
2108: if (r.nx[i] == 0)
2109: continue;
1.407 nicm 2110: /* Convert back to pane position for printing. */
2111: cx = r.px[i] - ctx->xoff + ctx->wox;
2112: tty_cursor_pane_unless_wrap(tty, ctx, cx, ctx->ocy);
2113: tty_putn(tty, cp + r.px[i] - px, r.nx[i], r.nx[i]);
1.394 nicm 2114: }
1.106 nicm 2115: }
2116:
2117: void
2118: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
2119: {
1.420 nicm 2120: tty_set_selection(tty, ctx->ptr2, ctx->ptr, ctx->num);
1.383 nicm 2121: }
2122:
2123: void
1.420 nicm 2124: tty_set_selection(struct tty *tty, const char *flags, const char *buf,
2125: size_t len)
1.383 nicm 2126: {
2127: char *encoded;
2128: size_t size;
1.106 nicm 2129:
1.384 nicm 2130: if (~tty->flags & TTY_STARTED)
2131: return;
1.106 nicm 2132: if (!tty_term_has(tty->term, TTYC_MS))
1.383 nicm 2133: return;
1.106 nicm 2134:
1.383 nicm 2135: size = 4 * ((len + 2) / 3) + 1; /* storage for base64 */
2136: encoded = xmalloc(size);
1.106 nicm 2137:
1.383 nicm 2138: b64_ntop(buf, len, encoded, size);
1.414 nicm 2139: tty->flags |= TTY_NOBLOCK;
1.430 ! nicm 2140: tty_putcode_ss(tty, TTYC_MS, flags, encoded);
1.106 nicm 2141:
1.383 nicm 2142: free(encoded);
1.100 nicm 2143: }
2144:
2145: void
2146: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
2147: {
1.414 nicm 2148: tty->flags |= TTY_NOBLOCK;
1.256 nicm 2149: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 2150: tty_invalidate(tty);
1.348 nicm 2151: }
2152:
2153: void
1.402 nicm 2154: tty_cmd_syncstart(struct tty *tty, const struct tty_ctx *ctx)
1.348 nicm 2155: {
1.402 nicm 2156: if (ctx->num == 0x11) {
2157: /*
1.403 nicm 2158: * This is an overlay and a command that moves the cursor so
1.402 nicm 2159: * start synchronized updates.
2160: */
2161: tty_sync_start(tty);
2162: } else if (~ctx->num & 0x10) {
2163: /*
2164: * This is a pane. If there is an overlay, always start;
2165: * otherwise, only if requested.
2166: */
2167: if (ctx->num || tty->client->overlay_draw != NULL)
2168: tty_sync_start(tty);
2169: }
1.1 nicm 2170: }
2171:
1.377 nicm 2172: void
1.373 nicm 2173: tty_cell(struct tty *tty, const struct grid_cell *gc,
1.421 nicm 2174: const struct grid_cell *defaults, struct colour_palette *palette,
2175: struct hyperlinks *hl)
1.1 nicm 2176: {
1.298 nicm 2177: const struct grid_cell *gcp;
1.1 nicm 2178:
2179: /* Skip last character if terminal is stupid. */
1.382 nicm 2180: if ((tty->term->flags & TERM_NOAM) &&
1.211 nicm 2181: tty->cy == tty->sy - 1 &&
2182: tty->cx == tty->sx - 1)
1.1 nicm 2183: return;
2184:
2185: /* If this is a padding character, do nothing. */
2186: if (gc->flags & GRID_FLAG_PADDING)
2187: return;
2188:
1.377 nicm 2189: /* Check the output codeset and apply attributes. */
2190: gcp = tty_check_codeset(tty, gc);
1.421 nicm 2191: tty_attributes(tty, gcp, defaults, palette, hl);
1.1 nicm 2192:
1.377 nicm 2193: /* If it is a single character, write with putc to handle ACS. */
1.298 nicm 2194: if (gcp->data.size == 1) {
1.421 nicm 2195: tty_attributes(tty, gcp, defaults, palette, hl);
1.298 nicm 2196: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 2197: return;
1.298 nicm 2198: tty_putc(tty, *gcp->data.data);
1.1 nicm 2199: return;
2200: }
2201:
1.147 nicm 2202: /* Write the data. */
1.298 nicm 2203: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 2204: }
2205:
2206: void
2207: tty_reset(struct tty *tty)
2208: {
2209: struct grid_cell *gc = &tty->cell;
2210:
1.228 nicm 2211: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.421 nicm 2212: if (gc->link != 0)
1.430 ! nicm 2213: tty_putcode_ss(tty, TTYC_HLS, "", "");
1.285 nicm 2214: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 2215: tty_putcode(tty, TTYC_RMACS);
2216: tty_putcode(tty, TTYC_SGR0);
2217: memcpy(gc, &grid_default_cell, sizeof *gc);
2218: }
2219: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1.242 nicm 2220: }
2221:
2222: static void
2223: tty_invalidate(struct tty *tty)
2224: {
2225: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
2226: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
2227:
2228: tty->cx = tty->cy = UINT_MAX;
2229: tty->rupper = tty->rleft = UINT_MAX;
2230: tty->rlower = tty->rright = UINT_MAX;
2231:
2232: if (tty->flags & TTY_STARTED) {
1.330 nicm 2233: if (tty_use_margin(tty))
1.365 nicm 2234: tty_putcode(tty, TTYC_ENMG);
1.242 nicm 2235: tty_putcode(tty, TTYC_SGR0);
2236:
2237: tty->mode = ALL_MODES;
2238: tty_update_mode(tty, MODE_CURSOR, NULL);
2239:
2240: tty_cursor(tty, 0, 0);
2241: tty_region_off(tty);
2242: tty_margin_off(tty);
2243: } else
2244: tty->mode = MODE_CURSOR;
1.1 nicm 2245: }
2246:
1.214 nicm 2247: /* Turn off margin. */
2248: void
2249: tty_region_off(struct tty *tty)
2250: {
2251: tty_region(tty, 0, tty->sy - 1);
2252: }
2253:
1.40 nicm 2254: /* Set region inside pane. */
1.208 nicm 2255: static void
1.196 nicm 2256: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
2257: u_int rlower)
1.1 nicm 2258: {
1.372 nicm 2259: tty_region(tty, ctx->yoff + rupper - ctx->woy,
2260: ctx->yoff + rlower - ctx->woy);
1.39 nicm 2261: }
2262:
1.40 nicm 2263: /* Set region at absolute position. */
1.214 nicm 2264: static void
1.40 nicm 2265: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2266: {
2267: if (tty->rlower == rlower && tty->rupper == rupper)
2268: return;
1.1 nicm 2269: if (!tty_term_has(tty->term, TTYC_CSR))
2270: return;
1.39 nicm 2271:
2272: tty->rupper = rupper;
2273: tty->rlower = rlower;
1.55 nicm 2274:
2275: /*
2276: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2277: * 0,0 if it is beyond the last column (they do not reset their wrap
2278: * flag so further output causes a line feed). As a workaround, do an
2279: * explicit move to 0 first.
2280: */
1.353 nicm 2281: if (tty->cx >= tty->sx) {
2282: if (tty->cy == UINT_MAX)
2283: tty_cursor(tty, 0, 0);
2284: else
2285: tty_cursor(tty, 0, tty->cy);
2286: }
1.42 nicm 2287:
1.430 ! nicm 2288: tty_putcode_ii(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2289: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2290: }
2291:
1.214 nicm 2292: /* Turn off margin. */
2293: void
2294: tty_margin_off(struct tty *tty)
2295: {
2296: tty_margin(tty, 0, tty->sx - 1);
2297: }
2298:
1.212 nicm 2299: /* Set margin inside pane. */
2300: static void
2301: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2302: {
1.372 nicm 2303: tty_margin(tty, ctx->xoff - ctx->wox,
1.373 nicm 2304: ctx->xoff + ctx->sx - 1 - ctx->wox);
1.212 nicm 2305: }
2306:
2307: /* Set margin at absolute position. */
1.214 nicm 2308: static void
1.212 nicm 2309: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2310: {
2311: if (!tty_use_margin(tty))
2312: return;
2313: if (tty->rleft == rleft && tty->rright == rright)
2314: return;
2315:
1.430 ! nicm 2316: tty_putcode_ii(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2317:
1.212 nicm 2318: tty->rleft = rleft;
2319: tty->rright = rright;
2320:
1.232 nicm 2321: if (rleft == 0 && rright == tty->sx - 1)
1.365 nicm 2322: tty_putcode(tty, TTYC_CLMG);
1.232 nicm 2323: else
1.430 ! nicm 2324: tty_putcode_ii(tty, TTYC_CMG, rleft, rright);
1.249 nicm 2325: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2326: }
2327:
2328: /*
2329: * Move the cursor, unless it would wrap itself when the next character is
2330: * printed.
2331: */
2332: static void
2333: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2334: u_int cx, u_int cy)
2335: {
1.268 nicm 2336: if (!ctx->wrapped ||
1.372 nicm 2337: !tty_full_width(tty, ctx) ||
1.382 nicm 2338: (tty->term->flags & TERM_NOAM) ||
1.253 nicm 2339: ctx->xoff + cx != 0 ||
2340: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2341: tty->cx < tty->sx ||
2342: tty->cy == tty->rlower)
1.253 nicm 2343: tty_cursor_pane(tty, ctx, cx, cy);
2344: else
2345: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2346: }
2347:
1.42 nicm 2348: /* Move cursor inside pane. */
1.208 nicm 2349: static void
1.41 nicm 2350: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2351: {
1.372 nicm 2352: tty_cursor(tty, ctx->xoff + cx - ctx->wox, ctx->yoff + cy - ctx->woy);
1.41 nicm 2353: }
2354:
1.42 nicm 2355: /* Move cursor to absolute position. */
1.41 nicm 2356: void
2357: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2358: {
1.42 nicm 2359: struct tty_term *term = tty->term;
2360: u_int thisx, thisy;
2361: int change;
1.354 nicm 2362:
2363: if (tty->flags & TTY_BLOCK)
2364: return;
1.77 nicm 2365:
1.42 nicm 2366: thisx = tty->cx;
2367: thisy = tty->cy;
2368:
1.409 nicm 2369: /*
2370: * If in the automargin space, and want to be there, do not move.
2371: * Otherwise, force the cursor to be in range (and complain).
2372: */
2373: if (cx == thisx && cy == thisy && cx == tty->sx)
2374: return;
2375: if (cx > tty->sx - 1) {
2376: log_debug("%s: x too big %u > %u", __func__, cx, tty->sx - 1);
2377: cx = tty->sx - 1;
2378: }
2379:
1.42 nicm 2380: /* No change. */
2381: if (cx == thisx && cy == thisy)
2382: return;
2383:
1.409 nicm 2384: /* Currently at the very end of the line - use absolute movement. */
1.43 nicm 2385: if (thisx > tty->sx - 1)
2386: goto absolute;
2387:
1.42 nicm 2388: /* Move to home position (0, 0). */
2389: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2390: tty_putcode(tty, TTYC_HOME);
2391: goto out;
2392: }
2393:
2394: /* Zero on the next line. */
1.293 nicm 2395: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2396: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2397: tty_putc(tty, '\r');
1.42 nicm 2398: tty_putc(tty, '\n');
2399: goto out;
2400: }
2401:
1.45 nicm 2402: /* Moving column or row. */
1.42 nicm 2403: if (cy == thisy) {
1.45 nicm 2404: /*
2405: * Moving column only, row staying the same.
2406: */
2407:
1.42 nicm 2408: /* To left edge. */
1.294 nicm 2409: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2410: tty_putc(tty, '\r');
2411: goto out;
2412: }
2413:
2414: /* One to the left. */
2415: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2416: tty_putcode(tty, TTYC_CUB1);
2417: goto out;
2418: }
2419:
2420: /* One to the right. */
2421: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2422: tty_putcode(tty, TTYC_CUF1);
2423: goto out;
2424: }
2425:
2426: /* Calculate difference. */
2427: change = thisx - cx; /* +ve left, -ve right */
2428:
2429: /*
2430: * Use HPA if change is larger than absolute, otherwise move
2431: * the cursor with CUB/CUF.
2432: */
1.87 nicm 2433: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.430 ! nicm 2434: tty_putcode_i(tty, TTYC_HPA, cx);
1.42 nicm 2435: goto out;
1.333 nicm 2436: } else if (change > 0 &&
2437: tty_term_has(term, TTYC_CUB) &&
2438: !tty_use_margin(tty)) {
1.202 nicm 2439: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2440: tty_putcode(tty, TTYC_CUB1);
2441: tty_putcode(tty, TTYC_CUB1);
2442: goto out;
2443: }
1.430 ! nicm 2444: tty_putcode_i(tty, TTYC_CUB, change);
1.42 nicm 2445: goto out;
1.333 nicm 2446: } else if (change < 0 &&
2447: tty_term_has(term, TTYC_CUF) &&
2448: !tty_use_margin(tty)) {
1.430 ! nicm 2449: tty_putcode_i(tty, TTYC_CUF, -change);
1.42 nicm 2450: goto out;
2451: }
1.45 nicm 2452: } else if (cx == thisx) {
2453: /*
2454: * Moving row only, column staying the same.
2455: */
1.42 nicm 2456:
2457: /* One above. */
1.77 nicm 2458: if (thisy != tty->rupper &&
1.42 nicm 2459: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2460: tty_putcode(tty, TTYC_CUU1);
2461: goto out;
2462: }
2463:
2464: /* One below. */
1.49 nicm 2465: if (thisy != tty->rlower &&
1.42 nicm 2466: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2467: tty_putcode(tty, TTYC_CUD1);
2468: goto out;
2469: }
2470:
2471: /* Calculate difference. */
2472: change = thisy - cy; /* +ve up, -ve down */
2473:
2474: /*
1.77 nicm 2475: * Try to use VPA if change is larger than absolute or if this
2476: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2477: */
1.87 nicm 2478: if ((u_int) abs(change) > cy ||
1.42 nicm 2479: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2480: (change > 0 && cy - change < tty->rupper)) {
2481: if (tty_term_has(term, TTYC_VPA)) {
1.430 ! nicm 2482: tty_putcode_i(tty, TTYC_VPA, cy);
1.44 nicm 2483: goto out;
2484: }
1.42 nicm 2485: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1.430 ! nicm 2486: tty_putcode_i(tty, TTYC_CUU, change);
1.42 nicm 2487: goto out;
2488: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1.430 ! nicm 2489: tty_putcode_i(tty, TTYC_CUD, -change);
1.42 nicm 2490: goto out;
2491: }
2492: }
2493:
1.43 nicm 2494: absolute:
1.42 nicm 2495: /* Absolute movement. */
1.430 ! nicm 2496: tty_putcode_ii(tty, TTYC_CUP, cy, cx);
1.42 nicm 2497:
2498: out:
2499: tty->cx = cx;
2500: tty->cy = cy;
1.1 nicm 2501: }
2502:
1.421 nicm 2503: static void
2504: tty_hyperlink(struct tty *tty, const struct grid_cell *gc,
2505: struct hyperlinks *hl)
2506: {
2507: const char *uri, *id;
2508:
2509: if (gc->link == tty->cell.link)
2510: return;
2511: tty->cell.link = gc->link;
2512:
2513: if (hl == NULL)
2514: return;
2515:
1.422 nicm 2516: if (gc->link == 0 || !hyperlinks_get(hl, gc->link, &uri, NULL, &id))
1.430 ! nicm 2517: tty_putcode_ss(tty, TTYC_HLS, "", "");
1.421 nicm 2518: else
1.430 ! nicm 2519: tty_putcode_ss(tty, TTYC_HLS, id, uri);
1.421 nicm 2520: }
2521:
1.1 nicm 2522: void
1.176 nicm 2523: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.421 nicm 2524: const struct grid_cell *defaults, struct colour_palette *palette,
2525: struct hyperlinks *hl)
1.1 nicm 2526: {
1.63 nicm 2527: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2528: int changed;
1.61 nicm 2529:
1.373 nicm 2530: /* Copy cell and update default colours. */
2531: memcpy(&gc2, gc, sizeof gc2);
1.399 nicm 2532: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2533: if (gc2.fg == 8)
2534: gc2.fg = defaults->fg;
2535: if (gc2.bg == 8)
2536: gc2.bg = defaults->bg;
2537: }
1.373 nicm 2538:
1.228 nicm 2539: /* Ignore cell if it is the same as the last one. */
1.373 nicm 2540: if (gc2.attr == tty->last_cell.attr &&
2541: gc2.fg == tty->last_cell.fg &&
2542: gc2.bg == tty->last_cell.bg &&
1.421 nicm 2543: gc2.us == tty->last_cell.us &&
2544: gc2.link == tty->last_cell.link)
1.228 nicm 2545: return;
1.63 nicm 2546:
1.18 nicm 2547: /*
2548: * If no setab, try to use the reverse attribute as a best-effort for a
2549: * non-default background. This is a bit of a hack but it doesn't do
2550: * any serious harm and makes a couple of applications happier.
2551: */
2552: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2553: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2554: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2555: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2556: } else {
1.310 nicm 2557: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2558: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2559: }
2560: }
1.1 nicm 2561:
1.85 nicm 2562: /* Fix up the colours if necessary. */
1.373 nicm 2563: tty_check_fg(tty, palette, &gc2);
2564: tty_check_bg(tty, palette, &gc2);
2565: tty_check_us(tty, palette, &gc2);
1.85 nicm 2566:
1.328 nicm 2567: /*
2568: * If any bits are being cleared or the underline colour is now default,
2569: * reset everything.
2570: */
2571: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2572: tty_reset(tty);
2573:
2574: /*
2575: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2576: * may add to (NOT remove) the desired attributes.
1.64 nicm 2577: */
1.85 nicm 2578: tty_colours(tty, &gc2);
1.64 nicm 2579:
1.1 nicm 2580: /* Filter out attribute bits already set. */
1.85 nicm 2581: changed = gc2.attr & ~tc->attr;
2582: tc->attr = gc2.attr;
1.1 nicm 2583:
2584: /* Set the attributes. */
2585: if (changed & GRID_ATTR_BRIGHT)
2586: tty_putcode(tty, TTYC_BOLD);
2587: if (changed & GRID_ATTR_DIM)
2588: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2589: if (changed & GRID_ATTR_ITALICS)
2590: tty_set_italics(tty);
1.308 nicm 2591: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2592: if ((changed & GRID_ATTR_UNDERSCORE) ||
2593: !tty_term_has(tty->term, TTYC_SMULX))
2594: tty_putcode(tty, TTYC_SMUL);
2595: else if (changed & GRID_ATTR_UNDERSCORE_2)
1.430 ! nicm 2596: tty_putcode_i(tty, TTYC_SMULX, 2);
1.308 nicm 2597: else if (changed & GRID_ATTR_UNDERSCORE_3)
1.430 ! nicm 2598: tty_putcode_i(tty, TTYC_SMULX, 3);
1.308 nicm 2599: else if (changed & GRID_ATTR_UNDERSCORE_4)
1.430 ! nicm 2600: tty_putcode_i(tty, TTYC_SMULX, 4);
1.308 nicm 2601: else if (changed & GRID_ATTR_UNDERSCORE_5)
1.430 ! nicm 2602: tty_putcode_i(tty, TTYC_SMULX, 5);
1.308 nicm 2603: }
1.1 nicm 2604: if (changed & GRID_ATTR_BLINK)
2605: tty_putcode(tty, TTYC_BLINK);
2606: if (changed & GRID_ATTR_REVERSE) {
2607: if (tty_term_has(tty->term, TTYC_REV))
2608: tty_putcode(tty, TTYC_REV);
2609: else if (tty_term_has(tty->term, TTYC_SMSO))
2610: tty_putcode(tty, TTYC_SMSO);
2611: }
2612: if (changed & GRID_ATTR_HIDDEN)
2613: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2614: if (changed & GRID_ATTR_STRIKETHROUGH)
2615: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2616: if (changed & GRID_ATTR_OVERLINE)
2617: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2618: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2619: tty_putcode(tty, TTYC_SMACS);
1.373 nicm 2620:
1.421 nicm 2621: /* Set hyperlink if any. */
2622: tty_hyperlink(tty, gc, hl);
2623:
1.373 nicm 2624: memcpy(&tty->last_cell, &gc2, sizeof tty->last_cell);
1.1 nicm 2625: }
2626:
1.207 nicm 2627: static void
1.85 nicm 2628: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2629: {
1.61 nicm 2630: struct grid_cell *tc = &tty->cell;
1.204 nicm 2631: int have_ax;
1.61 nicm 2632:
2633: /* No changes? Nothing is necessary. */
1.328 nicm 2634: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2635: return;
1.1 nicm 2636:
1.61 nicm 2637: /*
2638: * Is either the default colour? This is handled specially because the
2639: * best solution might be to reset both colours to default, in which
2640: * case if only one is default need to fall onward to set the other
2641: * colour.
2642: */
1.310 nicm 2643: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2644: /*
2645: * If don't have AX but do have op, send sgr0 (op can't
2646: * actually be used because it is sometimes the same as sgr0
2647: * and sometimes isn't). This resets both colours to default.
2648: *
2649: * Otherwise, try to set the default colour only as needed.
2650: */
1.174 nicm 2651: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2652: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2653: tty_reset(tty);
2654: else {
1.310 nicm 2655: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2656: if (have_ax)
2657: tty_puts(tty, "\033[39m");
1.204 nicm 2658: else if (tc->fg != 7)
1.430 ! nicm 2659: tty_putcode_i(tty, TTYC_SETAF, 7);
1.310 nicm 2660: tc->fg = gc->fg;
1.61 nicm 2661: }
1.310 nicm 2662: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2663: if (have_ax)
1.61 nicm 2664: tty_puts(tty, "\033[49m");
1.204 nicm 2665: else if (tc->bg != 0)
1.430 ! nicm 2666: tty_putcode_i(tty, TTYC_SETAB, 0);
1.312 nicm 2667: tc->bg = gc->bg;
1.61 nicm 2668: }
2669: }
2670: }
1.1 nicm 2671:
1.61 nicm 2672: /* Set the foreground colour. */
1.310 nicm 2673: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2674: tty_colours_fg(tty, gc);
1.1 nicm 2675:
1.61 nicm 2676: /*
2677: * Set the background colour. This must come after the foreground as
2678: * tty_colour_fg() can call tty_reset().
2679: */
1.310 nicm 2680: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2681: tty_colours_bg(tty, gc);
1.328 nicm 2682:
1.399 nicm 2683: /* Set the underscore colour. */
1.328 nicm 2684: if (gc->us != tc->us)
2685: tty_colours_us(tty, gc);
1.1 nicm 2686: }
2687:
1.219 nicm 2688: static void
1.399 nicm 2689: tty_check_fg(struct tty *tty, struct colour_palette *palette,
2690: struct grid_cell *gc)
1.85 nicm 2691: {
1.204 nicm 2692: u_char r, g, b;
2693: u_int colours;
1.223 nicm 2694: int c;
1.85 nicm 2695:
1.288 nicm 2696: /*
2697: * Perform substitution if this pane has a palette. If the bright
1.424 nicm 2698: * attribute is set and Nobr is not present, use the bright entry in
2699: * the palette by changing to the aixterm colour
1.288 nicm 2700: */
2701: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2702: c = gc->fg;
1.424 nicm 2703: if (c < 8 &&
2704: gc->attr & GRID_ATTR_BRIGHT &&
2705: !tty_term_has(tty->term, TTYC_NOBR))
1.288 nicm 2706: c += 90;
1.399 nicm 2707: if ((c = colour_palette_get(palette, c)) != -1)
1.288 nicm 2708: gc->fg = c;
2709: }
1.219 nicm 2710:
1.199 nicm 2711: /* Is this a 24-bit colour? */
1.204 nicm 2712: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2713: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2714: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2715: return;
1.341 nicm 2716: colour_split_rgb(gc->fg, &r, &g, &b);
2717: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2718: }
1.224 nicm 2719:
2720: /* How many colours does this terminal have? */
1.359 nicm 2721: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2722: colours = 256;
2723: else
2724: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2725:
1.85 nicm 2726: /* Is this a 256-colour colour? */
1.204 nicm 2727: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2728: /* And not a 256 colour mode? */
1.387 nicm 2729: if (colours < 256) {
1.85 nicm 2730: gc->fg = colour_256to16(gc->fg);
2731: if (gc->fg & 8) {
2732: gc->fg &= 7;
1.175 nicm 2733: if (colours >= 16)
2734: gc->fg += 90;
1.332 nicm 2735: }
1.85 nicm 2736: }
2737: return;
2738: }
2739:
2740: /* Is this an aixterm colour? */
2741: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2742: gc->fg -= 90;
2743: gc->attr |= GRID_ATTR_BRIGHT;
2744: }
2745: }
2746:
1.219 nicm 2747: static void
1.399 nicm 2748: tty_check_bg(struct tty *tty, struct colour_palette *palette,
2749: struct grid_cell *gc)
1.85 nicm 2750: {
1.204 nicm 2751: u_char r, g, b;
2752: u_int colours;
1.223 nicm 2753: int c;
1.85 nicm 2754:
1.288 nicm 2755: /* Perform substitution if this pane has a palette. */
2756: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2757: if ((c = colour_palette_get(palette, gc->bg)) != -1)
1.288 nicm 2758: gc->bg = c;
2759: }
1.219 nicm 2760:
1.199 nicm 2761: /* Is this a 24-bit colour? */
1.204 nicm 2762: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2763: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2764: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2765: return;
1.341 nicm 2766: colour_split_rgb(gc->bg, &r, &g, &b);
2767: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2768: }
1.224 nicm 2769:
2770: /* How many colours does this terminal have? */
1.359 nicm 2771: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2772: colours = 256;
2773: else
2774: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2775:
1.85 nicm 2776: /* Is this a 256-colour colour? */
1.204 nicm 2777: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2778: /*
2779: * And not a 256 colour mode? Translate to 16-colour
2780: * palette. Bold background doesn't exist portably, so just
2781: * discard the bold bit if set.
2782: */
1.387 nicm 2783: if (colours < 256) {
1.85 nicm 2784: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2785: if (gc->bg & 8) {
1.85 nicm 2786: gc->bg &= 7;
1.175 nicm 2787: if (colours >= 16)
1.322 nicm 2788: gc->bg += 90;
1.175 nicm 2789: }
1.85 nicm 2790: }
2791: return;
2792: }
2793:
2794: /* Is this an aixterm colour? */
1.175 nicm 2795: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2796: gc->bg -= 90;
2797: }
2798:
1.207 nicm 2799: static void
1.399 nicm 2800: tty_check_us(__unused struct tty *tty, struct colour_palette *palette,
2801: struct grid_cell *gc)
1.328 nicm 2802: {
2803: int c;
2804:
2805: /* Perform substitution if this pane has a palette. */
2806: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2807: if ((c = colour_palette_get(palette, gc->us)) != -1)
1.328 nicm 2808: gc->us = c;
2809: }
2810:
2811: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2812: if (gc->us & COLOUR_FLAG_256)
2813: gc->us = colour_256toRGB (gc->us);
2814: }
2815:
2816: static void
1.85 nicm 2817: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2818: {
1.61 nicm 2819: struct grid_cell *tc = &tty->cell;
1.79 nicm 2820: char s[32];
1.1 nicm 2821:
1.204 nicm 2822: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2823: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2824: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.385 nicm 2825: goto save;
1.199 nicm 2826: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2827: return;
1.1 nicm 2828: }
2829:
1.79 nicm 2830: /* Is this an aixterm bright colour? */
1.204 nicm 2831: if (gc->fg >= 90 && gc->fg <= 97) {
1.359 nicm 2832: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2833: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2834: tty_puts(tty, s);
2835: } else
1.430 ! nicm 2836: tty_putcode_i(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.385 nicm 2837: goto save;
1.79 nicm 2838: }
2839:
1.61 nicm 2840: /* Otherwise set the foreground colour. */
1.430 ! nicm 2841: tty_putcode_i(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2842:
1.385 nicm 2843: save:
1.61 nicm 2844: /* Save the new values in the terminal current cell. */
1.204 nicm 2845: tc->fg = gc->fg;
1.1 nicm 2846: }
2847:
1.207 nicm 2848: static void
1.73 nicm 2849: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2850: {
1.61 nicm 2851: struct grid_cell *tc = &tty->cell;
1.79 nicm 2852: char s[32];
1.1 nicm 2853:
1.204 nicm 2854: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2855: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2856: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.385 nicm 2857: goto save;
1.199 nicm 2858: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2859: return;
1.79 nicm 2860: }
2861:
2862: /* Is this an aixterm bright colour? */
1.204 nicm 2863: if (gc->bg >= 90 && gc->bg <= 97) {
1.359 nicm 2864: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2865: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2866: tty_puts(tty, s);
2867: } else
1.430 ! nicm 2868: tty_putcode_i(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.385 nicm 2869: goto save;
1.1 nicm 2870: }
2871:
1.61 nicm 2872: /* Otherwise set the background colour. */
1.430 ! nicm 2873: tty_putcode_i(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2874:
1.385 nicm 2875: save:
1.61 nicm 2876: /* Save the new values in the terminal current cell. */
1.204 nicm 2877: tc->bg = gc->bg;
1.328 nicm 2878: }
2879:
2880: static void
2881: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2882: {
2883: struct grid_cell *tc = &tty->cell;
2884: u_int c;
2885: u_char r, g, b;
2886:
1.385 nicm 2887: /* Clear underline colour. */
2888: if (gc->us == 0) {
2889: tty_putcode(tty, TTYC_OL);
2890: goto save;
2891: }
2892:
1.328 nicm 2893: /* Must be an RGB colour - this should never happen. */
2894: if (~gc->us & COLOUR_FLAG_RGB)
2895: return;
2896:
2897: /*
1.385 nicm 2898: * Setulc and setal follows the ncurses(3) one argument "direct colour"
1.328 nicm 2899: * capability format. Calculate the colour value.
2900: */
2901: colour_split_rgb(gc->us, &r, &g, &b);
2902: c = (65536 * r) + (256 * g) + b;
2903:
1.385 nicm 2904: /*
2905: * Write the colour. Only use setal if the RGB flag is set because the
2906: * non-RGB version may be wrong.
2907: */
2908: if (tty_term_has(tty->term, TTYC_SETULC))
1.430 ! nicm 2909: tty_putcode_i(tty, TTYC_SETULC, c);
1.385 nicm 2910: else if (tty_term_has(tty->term, TTYC_SETAL) &&
2911: tty_term_has(tty->term, TTYC_RGB))
1.430 ! nicm 2912: tty_putcode_i(tty, TTYC_SETAL, c);
1.328 nicm 2913:
1.385 nicm 2914: save:
1.328 nicm 2915: /* Save the new values in the terminal current cell. */
2916: tc->us = gc->us;
1.61 nicm 2917: }
2918:
1.207 nicm 2919: static int
1.204 nicm 2920: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2921: {
1.204 nicm 2922: u_char r, g, b;
1.61 nicm 2923:
1.204 nicm 2924: if (colour & COLOUR_FLAG_256) {
1.359 nicm 2925: if (*type == '3' && tty_term_has(tty->term, TTYC_SETAF))
1.430 ! nicm 2926: tty_putcode_i(tty, TTYC_SETAF, colour & 0xff);
1.359 nicm 2927: else if (tty_term_has(tty->term, TTYC_SETAB))
1.430 ! nicm 2928: tty_putcode_i(tty, TTYC_SETAB, colour & 0xff);
1.359 nicm 2929: return (0);
1.204 nicm 2930: }
2931:
2932: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2933: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.359 nicm 2934: if (*type == '3' && tty_term_has(tty->term, TTYC_SETRGBF))
1.430 ! nicm 2935: tty_putcode_iii(tty, TTYC_SETRGBF, r, g, b);
1.359 nicm 2936: else if (tty_term_has(tty->term, TTYC_SETRGBB))
1.430 ! nicm 2937: tty_putcode_iii(tty, TTYC_SETRGBB, r, g, b);
1.165 nicm 2938: return (0);
2939: }
1.61 nicm 2940:
1.165 nicm 2941: return (-1);
1.176 nicm 2942: }
2943:
1.207 nicm 2944: static void
1.371 nicm 2945: tty_window_default_style(struct grid_cell *gc, struct window_pane *wp)
2946: {
2947: memcpy(gc, &grid_default_cell, sizeof *gc);
1.399 nicm 2948: gc->fg = wp->palette.fg;
2949: gc->bg = wp->palette.bg;
1.371 nicm 2950: }
2951:
1.373 nicm 2952: void
1.317 nicm 2953: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2954: {
1.400 nicm 2955: struct options *oo = wp->options;
2956: struct format_tree *ft;
1.373 nicm 2957:
2958: memcpy(gc, &grid_default_cell, sizeof *gc);
1.326 nicm 2959:
2960: if (wp->flags & PANE_STYLECHANGED) {
1.400 nicm 2961: log_debug("%%%u: style changed", wp->id);
1.326 nicm 2962: wp->flags &= ~PANE_STYLECHANGED;
1.371 nicm 2963:
1.400 nicm 2964: ft = format_create(NULL, NULL, FORMAT_PANE|wp->id,
2965: FORMAT_NOJOBS);
2966: format_defaults(ft, NULL, NULL, NULL, wp);
1.371 nicm 2967: tty_window_default_style(&wp->cached_active_gc, wp);
1.400 nicm 2968: style_add(&wp->cached_active_gc, oo, "window-active-style", ft);
1.371 nicm 2969: tty_window_default_style(&wp->cached_gc, wp);
1.400 nicm 2970: style_add(&wp->cached_gc, oo, "window-style", ft);
2971: format_free(ft);
1.203 nicm 2972: }
1.176 nicm 2973:
1.204 nicm 2974: if (gc->fg == 8) {
1.370 nicm 2975: if (wp == wp->window->active && wp->cached_active_gc.fg != 8)
2976: gc->fg = wp->cached_active_gc.fg;
1.204 nicm 2977: else
1.370 nicm 2978: gc->fg = wp->cached_gc.fg;
1.176 nicm 2979: }
2980:
1.204 nicm 2981: if (gc->bg == 8) {
1.370 nicm 2982: if (wp == wp->window->active && wp->cached_active_gc.bg != 8)
2983: gc->bg = wp->cached_active_gc.bg;
1.204 nicm 2984: else
1.370 nicm 2985: gc->bg = wp->cached_gc.bg;
1.176 nicm 2986: }
1.210 nicm 2987: }
2988:
2989: static void
1.373 nicm 2990: tty_default_attributes(struct tty *tty, const struct grid_cell *defaults,
1.421 nicm 2991: struct colour_palette *palette, u_int bg, struct hyperlinks *hl)
1.210 nicm 2992: {
1.373 nicm 2993: struct grid_cell gc;
1.210 nicm 2994:
2995: memcpy(&gc, &grid_default_cell, sizeof gc);
2996: gc.bg = bg;
1.421 nicm 2997: tty_attributes(tty, &gc, defaults, palette, hl);
1.1 nicm 2998: }
1.416 nicm 2999:
3000: static void
1.417 nicm 3001: tty_clipboard_query_callback(__unused int fd, __unused short events, void *data)
1.416 nicm 3002: {
3003: struct tty *tty = data;
1.417 nicm 3004: struct client *c = tty->client;
3005:
3006: c->flags &= ~CLIENT_CLIPBOARDBUFFER;
3007: free(c->clipboard_panes);
3008: c->clipboard_panes = NULL;
3009: c->clipboard_npanes = 0;
1.416 nicm 3010:
3011: tty->flags &= ~TTY_OSC52QUERY;
3012: }
3013:
3014: void
1.417 nicm 3015: tty_clipboard_query(struct tty *tty)
1.416 nicm 3016: {
3017: struct timeval tv = { .tv_sec = TTY_QUERY_TIMEOUT };
3018:
3019: if ((~tty->flags & TTY_STARTED) || (tty->flags & TTY_OSC52QUERY))
3020: return;
1.430 ! nicm 3021: tty_putcode_ss(tty, TTYC_MS, "", "?");
1.417 nicm 3022:
1.416 nicm 3023: tty->flags |= TTY_OSC52QUERY;
1.417 nicm 3024: evtimer_set(&tty->clipboard_timer, tty_clipboard_query_callback, tty);
3025: evtimer_add(&tty->clipboard_timer, &tv);
1.416 nicm 3026: }
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