Annotation of src/usr.bin/tmux/tty.c, Revision 1.418
1.418 ! nicm 1: /* $OpenBSD: tty.c,v 1.417 2022/03/08 12:01:19 nicm Exp $ */
1.1 nicm 2:
3: /*
1.198 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/ioctl.h>
21:
1.106 nicm 22: #include <netinet/in.h>
23:
1.212 nicm 24: #include <curses.h>
1.1 nicm 25: #include <errno.h>
26: #include <fcntl.h>
1.106 nicm 27: #include <resolv.h>
1.42 nicm 28: #include <stdlib.h>
1.1 nicm 29: #include <string.h>
30: #include <termios.h>
31: #include <unistd.h>
32:
33: #include "tmux.h"
34:
1.207 nicm 35: static int tty_log_fd = -1;
1.192 nicm 36:
1.373 nicm 37: static int tty_client_ready(struct client *);
1.201 nicm 38:
1.207 nicm 39: static void tty_set_italics(struct tty *);
40: static int tty_try_colour(struct tty *, int, const char *);
1.410 nicm 41: static void tty_force_cursor_colour(struct tty *, int);
1.208 nicm 42: static void tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int,
43: u_int);
1.253 nicm 44: static void tty_cursor_pane_unless_wrap(struct tty *,
45: const struct tty_ctx *, u_int, u_int);
1.242 nicm 46: static void tty_invalidate(struct tty *);
1.207 nicm 47: static void tty_colours(struct tty *, const struct grid_cell *);
1.399 nicm 48: static void tty_check_fg(struct tty *, struct colour_palette *,
49: struct grid_cell *);
50: static void tty_check_bg(struct tty *, struct colour_palette *,
51: struct grid_cell *);
52: static void tty_check_us(struct tty *, struct colour_palette *,
53: struct grid_cell *);
1.207 nicm 54: static void tty_colours_fg(struct tty *, const struct grid_cell *);
55: static void tty_colours_bg(struct tty *, const struct grid_cell *);
1.328 nicm 56: static void tty_colours_us(struct tty *, const struct grid_cell *);
1.207 nicm 57:
1.208 nicm 58: static void tty_region_pane(struct tty *, const struct tty_ctx *, u_int,
59: u_int);
1.214 nicm 60: static void tty_region(struct tty *, u_int, u_int);
1.212 nicm 61: static void tty_margin_pane(struct tty *, const struct tty_ctx *);
1.214 nicm 62: static void tty_margin(struct tty *, u_int, u_int);
1.207 nicm 63: static int tty_large_region(struct tty *, const struct tty_ctx *);
1.373 nicm 64: static int tty_fake_bce(const struct tty *, const struct grid_cell *,
65: u_int);
1.207 nicm 66: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
67: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
68: enum tty_code_code, u_int);
69: static void tty_repeat_space(struct tty *, u_int);
1.309 nicm 70: static void tty_draw_pane(struct tty *, const struct tty_ctx *, u_int);
1.373 nicm 71: static void tty_default_attributes(struct tty *, const struct grid_cell *,
1.399 nicm 72: struct colour_palette *, u_int);
1.394 nicm 73: static int tty_check_overlay(struct tty *, u_int, u_int);
1.406 nicm 74: static void tty_check_overlay_range(struct tty *, u_int, u_int, u_int,
75: struct overlay_ranges *);
1.1 nicm 76:
1.212 nicm 77: #define tty_use_margin(tty) \
1.359 nicm 78: (tty->term->flags & TERM_DECSLRM)
1.372 nicm 79: #define tty_full_width(tty, ctx) \
80: ((ctx)->xoff == 0 && (ctx)->sx >= (tty)->sx)
1.132 nicm 81:
1.266 nicm 82: #define TTY_BLOCK_INTERVAL (100000 /* 100 milliseconds */)
83: #define TTY_BLOCK_START(tty) (1 + ((tty)->sx * (tty)->sy) * 8)
84: #define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
85:
1.416 nicm 86: #define TTY_QUERY_TIMEOUT 5
87:
1.192 nicm 88: void
89: tty_create_log(void)
90: {
91: char name[64];
92:
93: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
94:
95: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
96: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
97: fatal("fcntl failed");
98: }
99:
1.185 nicm 100: int
1.380 nicm 101: tty_init(struct tty *tty, struct client *c)
1.1 nicm 102: {
1.380 nicm 103: if (!isatty(c->fd))
1.185 nicm 104: return (-1);
105:
1.30 nicm 106: memset(tty, 0, sizeof *tty);
1.136 nicm 107: tty->client = c;
1.30 nicm 108:
1.391 nicm 109: tty->cstyle = SCREEN_CURSOR_DEFAULT;
1.410 nicm 110: tty->ccolour = -1;
1.30 nicm 111:
1.380 nicm 112: if (tcgetattr(c->fd, &tty->tio) != 0)
113: return (-1);
1.185 nicm 114: return (0);
1.31 nicm 115: }
116:
1.287 nicm 117: void
1.31 nicm 118: tty_resize(struct tty *tty)
119: {
1.258 nicm 120: struct client *c = tty->client;
121: struct winsize ws;
1.334 nicm 122: u_int sx, sy, xpixel, ypixel;
1.31 nicm 123:
1.380 nicm 124: if (ioctl(c->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 125: sx = ws.ws_col;
1.334 nicm 126: if (sx == 0) {
1.88 nicm 127: sx = 80;
1.334 nicm 128: xpixel = 0;
129: } else
130: xpixel = ws.ws_xpixel / sx;
1.88 nicm 131: sy = ws.ws_row;
1.334 nicm 132: if (sy == 0) {
1.88 nicm 133: sy = 24;
1.334 nicm 134: ypixel = 0;
135: } else
136: ypixel = ws.ws_ypixel / sy;
1.88 nicm 137: } else {
138: sx = 80;
139: sy = 24;
1.334 nicm 140: xpixel = 0;
141: ypixel = 0;
1.31 nicm 142: }
1.334 nicm 143: log_debug("%s: %s now %ux%u (%ux%u)", __func__, c->name, sx, sy,
144: xpixel, ypixel);
145: tty_set_size(tty, sx, sy, xpixel, ypixel);
1.242 nicm 146: tty_invalidate(tty);
1.114 nicm 147: }
148:
1.287 nicm 149: void
1.334 nicm 150: tty_set_size(struct tty *tty, u_int sx, u_int sy, u_int xpixel, u_int ypixel)
1.212 nicm 151: {
1.114 nicm 152: tty->sx = sx;
153: tty->sy = sy;
1.334 nicm 154: tty->xpixel = xpixel;
155: tty->ypixel = ypixel;
1.1 nicm 156: }
157:
1.244 nicm 158: static void
159: tty_read_callback(__unused int fd, __unused short events, void *data)
160: {
161: struct tty *tty = data;
1.258 nicm 162: struct client *c = tty->client;
1.375 nicm 163: const char *name = c->name;
1.244 nicm 164: size_t size = EVBUFFER_LENGTH(tty->in);
165: int nread;
166:
1.380 nicm 167: nread = evbuffer_read(tty->in, c->fd, -1);
1.295 nicm 168: if (nread == 0 || nread == -1) {
1.375 nicm 169: if (nread == 0)
170: log_debug("%s: read closed", name);
171: else
172: log_debug("%s: read error: %s", name, strerror(errno));
1.290 nicm 173: event_del(&tty->event_in);
1.295 nicm 174: server_client_lost(tty->client);
1.244 nicm 175: return;
1.290 nicm 176: }
1.375 nicm 177: log_debug("%s: read %d bytes (already %zu)", name, nread, size);
1.244 nicm 178:
179: while (tty_keys_next(tty))
180: ;
181: }
182:
183: static void
1.266 nicm 184: tty_timer_callback(__unused int fd, __unused short events, void *data)
185: {
186: struct tty *tty = data;
187: struct client *c = tty->client;
188: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
189:
190: log_debug("%s: %zu discarded", c->name, tty->discarded);
191:
1.305 nicm 192: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.266 nicm 193: c->discarded += tty->discarded;
194:
195: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
196: tty->flags &= ~TTY_BLOCK;
197: tty_invalidate(tty);
198: return;
199: }
200: tty->discarded = 0;
201: evtimer_add(&tty->timer, &tv);
202: }
203:
204: static int
205: tty_block_maybe(struct tty *tty)
206: {
207: struct client *c = tty->client;
208: size_t size = EVBUFFER_LENGTH(tty->out);
209: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
210:
1.414 nicm 211: if (size == 0)
212: tty->flags &= ~TTY_NOBLOCK;
213: else if (tty->flags & TTY_NOBLOCK)
214: return (0);
215:
1.266 nicm 216: if (size < TTY_BLOCK_START(tty))
217: return (0);
218:
219: if (tty->flags & TTY_BLOCK)
220: return (1);
221: tty->flags |= TTY_BLOCK;
222:
223: log_debug("%s: can't keep up, %zu discarded", c->name, size);
224:
225: evbuffer_drain(tty->out, size);
226: c->discarded += size;
227:
228: tty->discarded = 0;
229: evtimer_add(&tty->timer, &tv);
230: return (1);
231: }
232:
233: static void
1.244 nicm 234: tty_write_callback(__unused int fd, __unused short events, void *data)
235: {
1.246 nicm 236: struct tty *tty = data;
1.258 nicm 237: struct client *c = tty->client;
1.246 nicm 238: size_t size = EVBUFFER_LENGTH(tty->out);
239: int nwrite;
1.244 nicm 240:
1.380 nicm 241: nwrite = evbuffer_write(tty->out, c->fd);
1.244 nicm 242: if (nwrite == -1)
243: return;
1.258 nicm 244: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 245:
1.270 nicm 246: if (c->redraw > 0) {
247: if ((size_t)nwrite >= c->redraw)
248: c->redraw = 0;
249: else
250: c->redraw -= nwrite;
251: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
252: c->redraw);
253: } else if (tty_block_maybe(tty))
1.266 nicm 254: return;
255:
1.247 nicm 256: if (EVBUFFER_LENGTH(tty->out) != 0)
257: event_add(&tty->event_out, NULL);
1.244 nicm 258: }
259:
1.1 nicm 260: int
1.166 nicm 261: tty_open(struct tty *tty, char **cause)
1.1 nicm 262: {
1.359 nicm 263: struct client *c = tty->client;
264:
1.389 nicm 265: tty->term = tty_term_create(tty, c->term_name, c->term_caps,
266: c->term_ncaps, &c->term_features, cause);
1.21 nicm 267: if (tty->term == NULL) {
268: tty_close(tty);
269: return (-1);
270: }
271: tty->flags |= TTY_OPENED;
1.1 nicm 272:
1.266 nicm 273: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 274:
1.380 nicm 275: event_set(&tty->event_in, c->fd, EV_PERSIST|EV_READ,
1.244 nicm 276: tty_read_callback, tty);
277: tty->in = evbuffer_new();
1.311 nicm 278: if (tty->in == NULL)
279: fatal("out of memory");
1.1 nicm 280:
1.380 nicm 281: event_set(&tty->event_out, c->fd, EV_WRITE, tty_write_callback, tty);
1.244 nicm 282: tty->out = evbuffer_new();
1.311 nicm 283: if (tty->out == NULL)
284: fatal("out of memory");
1.1 nicm 285:
1.266 nicm 286: evtimer_set(&tty->timer, tty_timer_callback, tty);
287:
1.1 nicm 288: tty_start_tty(tty);
289:
1.148 nicm 290: tty_keys_build(tty);
1.1 nicm 291:
292: return (0);
293: }
294:
1.340 nicm 295: static void
296: tty_start_timer_callback(__unused int fd, __unused short events, void *data)
297: {
298: struct tty *tty = data;
299: struct client *c = tty->client;
300:
301: log_debug("%s: start timer fired", c->name);
1.378 nicm 302: if ((tty->flags & (TTY_HAVEDA|TTY_HAVEXDA)) == 0)
303: tty_update_features(tty);
1.364 nicm 304: tty->flags |= (TTY_HAVEDA|TTY_HAVEXDA);
1.340 nicm 305: }
306:
1.244 nicm 307: void
308: tty_start_tty(struct tty *tty)
1.1 nicm 309: {
1.285 nicm 310: struct client *c = tty->client;
311: struct termios tio;
1.416 nicm 312: struct timeval tv = { .tv_sec = TTY_QUERY_TIMEOUT };
1.33 nicm 313:
1.380 nicm 314: setblocking(c->fd, 0);
315: event_add(&tty->event_in, NULL);
316:
317: memcpy(&tio, &tty->tio, sizeof tio);
318: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
319: tio.c_iflag |= IGNBRK;
320: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
321: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|ECHOPRT|
322: ECHOKE|ISIG);
323: tio.c_cc[VMIN] = 1;
324: tio.c_cc[VTIME] = 0;
325: if (tcsetattr(c->fd, TCSANOW, &tio) == 0)
1.404 nicm 326: tcflush(c->fd, TCOFLUSH);
1.1 nicm 327:
1.10 nicm 328: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 329:
1.252 nicm 330: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 331: tty_putcode(tty, TTYC_CLEAR);
332:
333: if (tty_acs_needed(tty)) {
334: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 335: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 336: } else
337: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 338:
339: tty_putcode(tty, TTYC_CNORM);
1.343 nicm 340: if (tty_term_has(tty->term, TTYC_KMOUS)) {
341: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1003l");
342: tty_puts(tty, "\033[?1006l\033[?1005l");
343: }
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) {
1.347 nicm 366: if (~tty->flags & TTY_HAVEDA)
1.351 nicm 367: tty_puts(tty, "\033[>c");
1.364 nicm 368: if (~tty->flags & TTY_HAVEXDA)
369: tty_puts(tty, "\033[>q");
1.347 nicm 370: } else
1.364 nicm 371: tty->flags |= (TTY_HAVEDA|TTY_HAVEXDA);
1.128 nicm 372: }
373:
374: void
1.1 nicm 375: tty_stop_tty(struct tty *tty)
376: {
1.380 nicm 377: struct client *c = tty->client;
378: struct winsize ws;
1.1 nicm 379:
1.20 nicm 380: if (!(tty->flags & TTY_STARTED))
381: return;
382: tty->flags &= ~TTY_STARTED;
1.340 nicm 383:
384: evtimer_del(&tty->start_timer);
1.20 nicm 385:
1.266 nicm 386: event_del(&tty->timer);
387: tty->flags &= ~TTY_BLOCK;
388:
1.244 nicm 389: event_del(&tty->event_in);
390: event_del(&tty->event_out);
1.66 nicm 391:
1.1 nicm 392: /*
393: * Be flexible about error handling and try not kill the server just
394: * because the fd is invalid. Things like ssh -t can easily leave us
395: * with a dead tty.
396: */
1.380 nicm 397: if (ioctl(c->fd, TIOCGWINSZ, &ws) == -1)
1.1 nicm 398: return;
1.380 nicm 399: if (tcsetattr(c->fd, TCSANOW, &tty->tio) == -1)
1.1 nicm 400: return;
401:
402: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 403: if (tty_acs_needed(tty))
1.90 nicm 404: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 405: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
406: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
407: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.391 nicm 408: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
1.160 nicm 409: if (tty_term_has(tty->term, TTYC_SE))
410: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.391 nicm 411: else if (tty_term_has(tty->term, TTYC_SS))
1.160 nicm 412: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 413: }
1.173 nicm 414: if (tty->mode & MODE_BRACKETPASTE)
1.366 nicm 415: tty_raw(tty, tty_term_string(tty->term, TTYC_DSBP));
1.410 nicm 416: if (tty->ccolour != -1)
1.336 nicm 417: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 418:
419: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
1.343 nicm 420: if (tty_term_has(tty->term, TTYC_KMOUS)) {
421: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1003l");
422: tty_raw(tty, "\033[?1006l\033[?1005l");
423: }
1.151 nicm 424:
1.369 nicm 425: if (tty->term->flags & TERM_VT100LIKE)
1.352 nicm 426: tty_raw(tty, "\033[?7727l");
1.378 nicm 427: tty_raw(tty, tty_term_string(tty->term, TTYC_DSFCS));
428: tty_raw(tty, tty_term_string(tty->term, TTYC_DSEKS));
1.10 nicm 429:
1.212 nicm 430: if (tty_use_margin(tty))
1.365 nicm 431: tty_raw(tty, tty_term_string(tty->term, TTYC_DSMG));
1.10 nicm 432: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 433:
1.380 nicm 434: setblocking(c->fd, 1);
1.1 nicm 435: }
436:
437: void
1.20 nicm 438: tty_close(struct tty *tty)
1.1 nicm 439: {
1.123 nicm 440: if (event_initialized(&tty->key_timer))
441: evtimer_del(&tty->key_timer);
1.20 nicm 442: tty_stop_tty(tty);
1.1 nicm 443:
1.21 nicm 444: if (tty->flags & TTY_OPENED) {
1.244 nicm 445: evbuffer_free(tty->in);
446: event_del(&tty->event_in);
447: evbuffer_free(tty->out);
448: event_del(&tty->event_out);
1.66 nicm 449:
1.21 nicm 450: tty_term_free(tty->term);
451: tty_keys_free(tty);
452:
453: tty->flags &= ~TTY_OPENED;
454: }
1.1 nicm 455: }
456:
457: void
1.20 nicm 458: tty_free(struct tty *tty)
1.1 nicm 459: {
1.20 nicm 460: tty_close(tty);
1.1 nicm 461: }
462:
463: void
1.359 nicm 464: tty_update_features(struct tty *tty)
1.212 nicm 465: {
1.359 nicm 466: struct client *c = tty->client;
467:
1.362 nicm 468: if (tty_apply_features(tty->term, c->term_features))
469: tty_term_apply_overrides(tty->term);
1.212 nicm 470:
471: if (tty_use_margin(tty))
1.365 nicm 472: tty_putcode(tty, TTYC_ENMG);
1.378 nicm 473: if (options_get_number(global_options, "extended-keys"))
474: tty_puts(tty, tty_term_string(tty->term, TTYC_ENEKS));
475: if (options_get_number(global_options, "focus-events"))
1.379 nicm 476: tty_puts(tty, tty_term_string(tty->term, TTYC_ENFCS));
1.378 nicm 477: if (tty->term->flags & TERM_VT100LIKE)
478: tty_puts(tty, "\033[?7727h");
1.212 nicm 479: }
480:
481: void
1.1 nicm 482: tty_raw(struct tty *tty, const char *s)
483: {
1.380 nicm 484: struct client *c = tty->client;
485: ssize_t n, slen;
486: u_int i;
1.150 nicm 487:
488: slen = strlen(s);
489: for (i = 0; i < 5; i++) {
1.380 nicm 490: n = write(c->fd, s, slen);
1.150 nicm 491: if (n >= 0) {
492: s += n;
493: slen -= n;
494: if (slen == 0)
495: break;
496: } else if (n == -1 && errno != EAGAIN)
497: break;
498: usleep(100);
499: }
1.1 nicm 500: }
501:
502: void
503: tty_putcode(struct tty *tty, enum tty_code_code code)
504: {
505: tty_puts(tty, tty_term_string(tty->term, code));
506: }
507:
508: void
509: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
510: {
511: if (a < 0)
512: return;
513: tty_puts(tty, tty_term_string1(tty->term, code, a));
514: }
515:
516: void
517: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
518: {
519: if (a < 0 || b < 0)
520: return;
521: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
522: }
523:
524: void
1.286 nicm 525: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
526: {
527: if (a < 0 || b < 0 || c < 0)
528: return;
529: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
530: }
531:
532: void
1.107 nicm 533: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
534: {
535: if (a != NULL)
536: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
537: }
538:
539: void
1.167 nicm 540: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
541: const void *b)
1.106 nicm 542: {
543: if (a != NULL && b != NULL)
544: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
545: }
546:
1.243 nicm 547: static void
548: tty_add(struct tty *tty, const char *buf, size_t len)
549: {
1.258 nicm 550: struct client *c = tty->client;
551:
1.266 nicm 552: if (tty->flags & TTY_BLOCK) {
553: tty->discarded += len;
554: return;
555: }
556:
1.244 nicm 557: evbuffer_add(tty->out, buf, len);
1.270 nicm 558: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 559: c->written += len;
1.243 nicm 560:
561: if (tty_log_fd != -1)
562: write(tty_log_fd, buf, len);
1.244 nicm 563: if (tty->flags & TTY_STARTED)
564: event_add(&tty->event_out, NULL);
1.243 nicm 565: }
566:
1.106 nicm 567: void
1.1 nicm 568: tty_puts(struct tty *tty, const char *s)
569: {
1.243 nicm 570: if (*s != '\0')
571: tty_add(tty, s, strlen(s));
1.1 nicm 572: }
573:
574: void
575: tty_putc(struct tty *tty, u_char ch)
576: {
1.90 nicm 577: const char *acs;
1.1 nicm 578:
1.382 nicm 579: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 580: ch >= 0x20 && ch != 0x7f &&
581: tty->cy == tty->sy - 1 &&
582: tty->cx + 1 >= tty->sx)
583: return;
584:
1.90 nicm 585: if (tty->cell.attr & GRID_ATTR_CHARSET) {
586: acs = tty_acs_get(tty, ch);
1.243 nicm 587: if (acs != NULL)
588: tty_add(tty, acs, strlen(acs));
589: else
590: tty_add(tty, &ch, 1);
591: } else
592: tty_add(tty, &ch, 1);
1.1 nicm 593:
594: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 595: if (tty->cx >= tty->sx) {
1.46 nicm 596: tty->cx = 1;
597: if (tty->cy != tty->rlower)
598: tty->cy++;
1.211 nicm 599:
600: /*
1.382 nicm 601: * On !am terminals, force the cursor position to where
602: * we think it should be after a line wrap - this means
603: * it works on sensible terminals as well.
1.211 nicm 604: */
1.382 nicm 605: if (tty->term->flags & TERM_NOAM)
1.211 nicm 606: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 607: } else
608: tty->cx++;
609: }
610: }
611:
612: void
1.147 nicm 613: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 614: {
1.382 nicm 615: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 616: tty->cy == tty->sy - 1 &&
617: tty->cx + len >= tty->sx)
618: len = tty->sx - tty->cx - 1;
619:
1.243 nicm 620: tty_add(tty, buf, len);
1.268 nicm 621: if (tty->cx + width > tty->sx) {
622: tty->cx = (tty->cx + width) - tty->sx;
623: if (tty->cx <= tty->sx)
624: tty->cy++;
625: else
626: tty->cx = tty->cy = UINT_MAX;
627: } else
1.254 nicm 628: tty->cx += width;
1.5 nicm 629: }
630:
1.207 nicm 631: static void
1.180 nicm 632: tty_set_italics(struct tty *tty)
633: {
634: const char *s;
635:
636: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 637: s = options_get_string(global_options, "default-terminal");
1.180 nicm 638: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
639: tty_putcode(tty, TTYC_SITM);
640: return;
641: }
642: }
643: tty_putcode(tty, TTYC_SMSO);
644: }
645:
646: void
1.1 nicm 647: tty_set_title(struct tty *tty, const char *title)
648: {
1.105 nicm 649: if (!tty_term_has(tty->term, TTYC_TSL) ||
650: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 651: return;
652:
1.105 nicm 653: tty_putcode(tty, TTYC_TSL);
1.418 ! nicm 654: tty_puts(tty, title);
! 655: tty_putcode(tty, TTYC_FSL);
! 656: }
! 657:
! 658: void
! 659: tty_set_path(struct tty *tty, const char *title)
! 660: {
! 661: if (!tty_term_has(tty->term, TTYC_SWD) ||
! 662: !tty_term_has(tty->term, TTYC_FSL))
! 663: return;
! 664:
! 665: tty_putcode(tty, TTYC_SWD);
1.1 nicm 666: tty_puts(tty, title);
1.105 nicm 667: tty_putcode(tty, TTYC_FSL);
1.1 nicm 668: }
669:
1.208 nicm 670: static void
1.410 nicm 671: tty_force_cursor_colour(struct tty *tty, int c)
1.107 nicm 672: {
1.410 nicm 673: u_char r, g, b;
674: char s[13] = "";
675:
676: if (c != -1)
677: c = colour_force_rgb(c);
678: if (c == tty->ccolour)
679: return;
680: if (c == -1)
1.107 nicm 681: tty_putcode(tty, TTYC_CR);
1.410 nicm 682: else {
683: colour_split_rgb(c, &r, &g, &b);
684: xsnprintf(s, sizeof s, "rgb:%02hhx/%02hhx/%02hhx", r, g, b);
685: tty_putcode_ptr1(tty, TTYC_CS, s);
686: }
687: tty->ccolour = c;
1.107 nicm 688: }
689:
1.411 nicm 690: static int
691: tty_update_cursor(struct tty *tty, int mode, struct screen *s)
1.404 nicm 692: {
1.410 nicm 693: enum screen_cursor_style cstyle;
1.411 nicm 694: int ccolour, changed, cmode = mode;
1.404 nicm 695:
696: /* Set cursor colour if changed. */
1.410 nicm 697: if (s != NULL) {
698: ccolour = s->ccolour;
699: if (s->ccolour == -1)
700: ccolour = s->default_ccolour;
701: tty_force_cursor_colour(tty, ccolour);
702: }
1.404 nicm 703:
704: /* If cursor is off, set as invisible. */
1.411 nicm 705: if (~cmode & MODE_CURSOR) {
706: if (tty->mode & MODE_CURSOR)
1.404 nicm 707: tty_putcode(tty, TTYC_CIVIS);
1.411 nicm 708: return (cmode);
1.404 nicm 709: }
710:
711: /* Check if blinking or very visible flag changed or style changed. */
712: if (s == NULL)
713: cstyle = tty->cstyle;
1.411 nicm 714: else {
1.404 nicm 715: cstyle = s->cstyle;
1.411 nicm 716: if (cstyle == SCREEN_CURSOR_DEFAULT) {
717: if (~cmode & MODE_CURSOR_BLINKING_SET) {
718: if (s->default_mode & MODE_CURSOR_BLINKING)
719: cmode |= MODE_CURSOR_BLINKING;
720: else
721: cmode &= ~MODE_CURSOR_BLINKING;
722: }
723: cstyle = s->default_cstyle;
724: }
725: }
726:
727: /* If nothing changed, do nothing. */
728: changed = cmode ^ tty->mode;
1.404 nicm 729: if ((changed & CURSOR_MODES) == 0 && cstyle == tty->cstyle)
1.411 nicm 730: return (cmode);
1.404 nicm 731:
732: /*
733: * Set cursor style. If an explicit style has been set with DECSCUSR,
734: * set it if supported, otherwise send cvvis for blinking styles.
735: *
736: * If no style, has been set (SCREEN_CURSOR_DEFAULT), then send cvvis
737: * if either the blinking or very visible flags are set.
738: */
739: tty_putcode(tty, TTYC_CNORM);
740: switch (cstyle) {
741: case SCREEN_CURSOR_DEFAULT:
1.405 nicm 742: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
743: if (tty_term_has(tty->term, TTYC_SE))
744: tty_putcode(tty, TTYC_SE);
745: else
746: tty_putcode1(tty, TTYC_SS, 0);
747: }
1.411 nicm 748: if (cmode & (MODE_CURSOR_BLINKING|MODE_CURSOR_VERY_VISIBLE))
1.404 nicm 749: tty_putcode(tty, TTYC_CVVIS);
750: break;
751: case SCREEN_CURSOR_BLOCK:
752: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 753: if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 754: tty_putcode1(tty, TTYC_SS, 1);
755: else
756: tty_putcode1(tty, TTYC_SS, 2);
1.411 nicm 757: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 758: tty_putcode(tty, TTYC_CVVIS);
759: break;
760: case SCREEN_CURSOR_UNDERLINE:
761: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 762: if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 763: tty_putcode1(tty, TTYC_SS, 3);
764: else
765: tty_putcode1(tty, TTYC_SS, 4);
1.411 nicm 766: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 767: tty_putcode(tty, TTYC_CVVIS);
768: break;
769: case SCREEN_CURSOR_BAR:
770: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 771: if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 772: tty_putcode1(tty, TTYC_SS, 5);
773: else
774: tty_putcode1(tty, TTYC_SS, 6);
1.411 nicm 775: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 776: tty_putcode(tty, TTYC_CVVIS);
777: break;
778: }
779: tty->cstyle = cstyle;
1.411 nicm 780: return (cmode);
1.404 nicm 781: }
782:
1.107 nicm 783: void
784: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 785: {
1.411 nicm 786: struct tty_term *term = tty->term;
1.404 nicm 787: struct client *c = tty->client;
788: int changed;
1.107 nicm 789:
1.1 nicm 790: if (tty->flags & TTY_NOCURSOR)
791: mode &= ~MODE_CURSOR;
792:
1.411 nicm 793: if (tty_update_cursor(tty, mode, s) & MODE_CURSOR_BLINKING)
794: mode |= MODE_CURSOR_BLINKING;
795: else
796: mode &= ~MODE_CURSOR_BLINKING;
797:
1.1 nicm 798: changed = mode ^ tty->mode;
1.392 nicm 799: if (log_get_level() != 0 && changed != 0) {
800: log_debug("%s: current mode %s", c->name,
801: screen_mode_to_string(tty->mode));
802: log_debug("%s: setting mode %s", c->name,
803: screen_mode_to_string(mode));
804: }
1.344 nicm 805:
1.411 nicm 806: if ((changed & ALL_MOUSE_MODES) && tty_term_has(term, TTYC_KMOUS)) {
1.386 nicm 807: /*
1.415 nicm 808: * If the mouse modes have changed, clear then all and apply
809: * again. There are differences in how terminals track the
810: * various bits.
1.386 nicm 811: */
1.415 nicm 812: tty_puts(tty, "\033[?1006l\033[?1000l\033[?1002l\033[?1003l");
1.344 nicm 813: if (mode & ALL_MOUSE_MODES)
1.153 nicm 814: tty_puts(tty, "\033[?1006h");
1.415 nicm 815: if (mode & MODE_MOUSE_ALL)
816: tty_puts(tty, "\033[?1000h\033[?1002h\033[?1003h");
817: if (mode & MODE_MOUSE_BUTTON)
818: tty_puts(tty, "\033[?1000h\033[?1002h");
819: else if (mode & MODE_MOUSE_STANDARD)
1.344 nicm 820: tty_puts(tty, "\033[?1000h");
1.115 nicm 821: }
822: if (changed & MODE_BRACKETPASTE) {
823: if (mode & MODE_BRACKETPASTE)
1.366 nicm 824: tty_putcode(tty, TTYC_ENBP);
1.115 nicm 825: else
1.366 nicm 826: tty_putcode(tty, TTYC_DSBP);
1.1 nicm 827: }
828: tty->mode = mode;
829: }
830:
1.207 nicm 831: static void
1.168 nicm 832: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
833: enum tty_code_code code1, u_int n)
1.1 nicm 834: {
835: if (tty_term_has(tty->term, code))
836: tty_putcode1(tty, code, n);
837: else {
838: while (n-- > 0)
839: tty_putcode(tty, code1);
840: }
841: }
842:
1.207 nicm 843: static void
1.133 nicm 844: tty_repeat_space(struct tty *tty, u_int n)
845: {
1.257 nicm 846: static char s[500];
847:
848: if (*s != ' ')
849: memset(s, ' ', sizeof s);
850:
851: while (n > sizeof s) {
852: tty_putn(tty, s, sizeof s, sizeof s);
853: n -= sizeof s;
854: }
855: if (n != 0)
856: tty_putn(tty, s, n, n);
1.304 nicm 857: }
858:
1.309 nicm 859: /* Is this window bigger than the terminal? */
860: int
861: tty_window_bigger(struct tty *tty)
862: {
863: struct client *c = tty->client;
864: struct window *w = c->session->curw->window;
865:
866: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
867: }
868:
869: /* What offset should this window be drawn at? */
870: int
871: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
872: {
873: *ox = tty->oox;
874: *oy = tty->ooy;
875: *sx = tty->osx;
876: *sy = tty->osy;
877:
878: return (tty->oflag);
879: }
880:
881: /* What offset should this window be drawn at? */
882: static int
883: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
884: {
885: struct client *c = tty->client;
886: struct window *w = c->session->curw->window;
1.376 nicm 887: struct window_pane *wp = server_client_get_pane(c);
1.309 nicm 888: u_int cx, cy, lines;
889:
890: lines = status_line_size(c);
891:
892: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
893: *ox = 0;
894: *oy = 0;
895: *sx = w->sx;
896: *sy = w->sy;
897:
898: c->pan_window = NULL;
899: return (0);
900: }
901:
902: *sx = tty->sx;
903: *sy = tty->sy - lines;
904:
905: if (c->pan_window == w) {
906: if (*sx >= w->sx)
907: c->pan_ox = 0;
908: else if (c->pan_ox + *sx > w->sx)
909: c->pan_ox = w->sx - *sx;
910: *ox = c->pan_ox;
911: if (*sy >= w->sy)
912: c->pan_oy = 0;
913: else if (c->pan_oy + *sy > w->sy)
914: c->pan_oy = w->sy - *sy;
915: *oy = c->pan_oy;
916: return (1);
917: }
918:
919: if (~wp->screen->mode & MODE_CURSOR) {
920: *ox = 0;
921: *oy = 0;
922: } else {
923: cx = wp->xoff + wp->screen->cx;
924: cy = wp->yoff + wp->screen->cy;
925:
926: if (cx < *sx)
927: *ox = 0;
928: else if (cx > w->sx - *sx)
929: *ox = w->sx - *sx;
930: else
931: *ox = cx - *sx / 2;
932:
933: if (cy < *sy)
934: *oy = 0;
935: else if (cy > w->sy - *sy)
936: *oy = w->sy - *sy;
937: else
938: *oy = cy - *sy / 2;
939: }
940:
941: c->pan_window = NULL;
942: return (1);
943: }
944:
945: /* Update stored offsets for a window and redraw if necessary. */
946: void
947: tty_update_window_offset(struct window *w)
948: {
949: struct client *c;
950:
951: TAILQ_FOREACH(c, &clients, entry) {
1.413 nicm 952: if (c->session != NULL &&
953: c->session->curw != NULL &&
954: c->session->curw->window == w)
1.309 nicm 955: tty_update_client_offset(c);
956: }
957: }
958:
959: /* Update stored offsets for a client and redraw if necessary. */
960: void
961: tty_update_client_offset(struct client *c)
1.304 nicm 962: {
1.309 nicm 963: u_int ox, oy, sx, sy;
1.314 nicm 964:
965: if (~c->flags & CLIENT_TERMINAL)
966: return;
1.304 nicm 967:
1.309 nicm 968: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
969: if (ox == c->tty.oox &&
970: oy == c->tty.ooy &&
971: sx == c->tty.osx &&
972: sy == c->tty.osy)
973: return;
974:
975: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
976: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
977: ox, oy, sx, sy);
978:
979: c->tty.oox = ox;
980: c->tty.ooy = oy;
981: c->tty.osx = sx;
982: c->tty.osy = sy;
983:
984: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 985: }
986:
1.1 nicm 987: /*
1.119 nicm 988: * Is the region large enough to be worth redrawing once later rather than
989: * probably several times now? Currently yes if it is more than 50% of the
990: * pane.
991: */
1.207 nicm 992: static int
1.194 nicm 993: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 994: {
1.372 nicm 995: return (ctx->orlower - ctx->orupper >= ctx->sy / 2);
1.119 nicm 996: }
997:
998: /*
1.176 nicm 999: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
1000: * emulated.
1001: */
1.207 nicm 1002: static int
1.373 nicm 1003: tty_fake_bce(const struct tty *tty, const struct grid_cell *gc, u_int bg)
1.176 nicm 1004: {
1.210 nicm 1005: if (tty_term_flag(tty->term, TTYC_BCE))
1006: return (0);
1.373 nicm 1007: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc->bg))
1.210 nicm 1008: return (1);
1009: return (0);
1.176 nicm 1010: }
1011:
1012: /*
1.1 nicm 1013: * Redraw scroll region using data from screen (already updated). Used when
1014: * CSR not supported, or window is a pane that doesn't take up the full
1015: * width of the terminal.
1016: */
1.207 nicm 1017: static void
1.24 nicm 1018: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1019: {
1.358 nicm 1020: struct client *c = tty->client;
1.204 nicm 1021: u_int i;
1.1 nicm 1022:
1023: /*
1.373 nicm 1024: * If region is large, schedule a redraw. In most cases this is likely
1025: * to be followed by some more scrolling.
1.1 nicm 1026: */
1.119 nicm 1027: if (tty_large_region(tty, ctx)) {
1.373 nicm 1028: log_debug("%s: %s large redraw", __func__, c->name);
1029: ctx->redraw_cb(ctx);
1.1 nicm 1030: return;
1031: }
1032:
1.393 nicm 1033: for (i = ctx->orupper; i <= ctx->orlower; i++)
1034: tty_draw_pane(tty, ctx, i);
1.1 nicm 1035: }
1036:
1.309 nicm 1037: /* Is this position visible in the pane? */
1038: static int
1.374 nicm 1039: tty_is_visible(__unused struct tty *tty, const struct tty_ctx *ctx, u_int px,
1040: u_int py, u_int nx, u_int ny)
1.309 nicm 1041: {
1.374 nicm 1042: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1043:
1044: if (!ctx->bigger)
1045: return (1);
1046:
1.372 nicm 1047: if (xoff + nx <= ctx->wox || xoff >= ctx->wox + ctx->wsx ||
1.374 nicm 1048: yoff + ny <= ctx->woy || yoff >= ctx->woy + ctx->wsy)
1.309 nicm 1049: return (0);
1050: return (1);
1051: }
1052:
1053: /* Clamp line position to visible part of pane. */
1054: static int
1055: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1056: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
1057: {
1.373 nicm 1058: u_int xoff = ctx->rxoff + px;
1.309 nicm 1059:
1060: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
1061: return (0);
1.372 nicm 1062: *ry = ctx->yoff + py - ctx->woy;
1.309 nicm 1063:
1.372 nicm 1064: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1065: /* All visible. */
1066: *i = 0;
1.372 nicm 1067: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1068: *rx = nx;
1.372 nicm 1069: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1070: /* Both left and right not visible. */
1.372 nicm 1071: *i = ctx->wox;
1.309 nicm 1072: *x = 0;
1.372 nicm 1073: *rx = ctx->wsx;
1074: } else if (xoff < ctx->wox) {
1.309 nicm 1075: /* Left not visible. */
1.372 nicm 1076: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1077: *x = 0;
1078: *rx = nx - *i;
1079: } else {
1080: /* Right not visible. */
1081: *i = 0;
1.372 nicm 1082: *x = (ctx->xoff + px) - ctx->wox;
1083: *rx = ctx->wsx - *x;
1.309 nicm 1084: }
1085: if (*rx > nx)
1086: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1087:
1088: return (1);
1089: }
1090:
1091: /* Clear a line. */
1.271 nicm 1092: static void
1.373 nicm 1093: tty_clear_line(struct tty *tty, const struct grid_cell *defaults, u_int py,
1094: u_int px, u_int nx, u_int bg)
1.271 nicm 1095: {
1.406 nicm 1096: struct client *c = tty->client;
1097: struct overlay_ranges r;
1098: u_int i;
1.309 nicm 1099:
1100: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1101:
1102: /* Nothing to clear. */
1103: if (nx == 0)
1104: return;
1105:
1106: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1107: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.271 nicm 1108: /* Off the end of the line, use EL if available. */
1109: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1110: tty_cursor(tty, px, py);
1111: tty_putcode(tty, TTYC_EL);
1112: return;
1113: }
1114:
1115: /* At the start of the line. Use EL1. */
1116: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1117: tty_cursor(tty, px + nx - 1, py);
1118: tty_putcode(tty, TTYC_EL1);
1119: return;
1120: }
1121:
1122: /* Section of line. Use ECH if possible. */
1123: if (tty_term_has(tty->term, TTYC_ECH)) {
1124: tty_cursor(tty, px, py);
1125: tty_putcode1(tty, TTYC_ECH, nx);
1126: return;
1127: }
1128: }
1129:
1.394 nicm 1130: /*
1131: * Couldn't use an escape sequence, use spaces. Clear only the visible
1132: * bit if there is an overlay.
1133: */
1.406 nicm 1134: tty_check_overlay_range(tty, px, py, nx, &r);
1135: for (i = 0; i < OVERLAY_MAX_RANGES; i++) {
1136: if (r.nx[i] == 0)
1137: continue;
1138: tty_cursor(tty, r.px[i], py);
1139: tty_repeat_space(tty, r.nx[i]);
1.394 nicm 1140: }
1.271 nicm 1141: }
1142:
1.309 nicm 1143: /* Clear a line, adjusting to visible part of pane. */
1144: static void
1145: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1146: u_int px, u_int nx, u_int bg)
1147: {
1148: struct client *c = tty->client;
1149: u_int i, x, rx, ry;
1150:
1151: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1152:
1153: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1.373 nicm 1154: tty_clear_line(tty, &ctx->defaults, ry, x, rx, bg);
1.309 nicm 1155: }
1156:
1157: /* Clamp area position to visible part of pane. */
1158: static int
1159: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1160: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1161: u_int *ry)
1162: {
1.373 nicm 1163: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1164:
1165: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1166: return (0);
1167:
1.372 nicm 1168: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1169: /* All visible. */
1170: *i = 0;
1.372 nicm 1171: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1172: *rx = nx;
1.372 nicm 1173: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1174: /* Both left and right not visible. */
1.372 nicm 1175: *i = ctx->wox;
1.309 nicm 1176: *x = 0;
1.372 nicm 1177: *rx = ctx->wsx;
1178: } else if (xoff < ctx->wox) {
1.309 nicm 1179: /* Left not visible. */
1.372 nicm 1180: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1181: *x = 0;
1182: *rx = nx - *i;
1183: } else {
1184: /* Right not visible. */
1185: *i = 0;
1.372 nicm 1186: *x = (ctx->xoff + px) - ctx->wox;
1187: *rx = ctx->wsx - *x;
1.309 nicm 1188: }
1189: if (*rx > nx)
1190: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1191:
1.372 nicm 1192: if (yoff >= ctx->woy && yoff + ny <= ctx->woy + ctx->wsy) {
1.309 nicm 1193: /* All visible. */
1194: *j = 0;
1.372 nicm 1195: *y = ctx->yoff + py - ctx->woy;
1.309 nicm 1196: *ry = ny;
1.372 nicm 1197: } else if (yoff < ctx->woy && yoff + ny > ctx->woy + ctx->wsy) {
1.327 nicm 1198: /* Both top and bottom not visible. */
1.372 nicm 1199: *j = ctx->woy;
1.309 nicm 1200: *y = 0;
1.372 nicm 1201: *ry = ctx->wsy;
1202: } else if (yoff < ctx->woy) {
1.327 nicm 1203: /* Top not visible. */
1.372 nicm 1204: *j = ctx->woy - (ctx->yoff + py);
1.309 nicm 1205: *y = 0;
1206: *ry = ny - *j;
1207: } else {
1.327 nicm 1208: /* Bottom not visible. */
1.309 nicm 1209: *j = 0;
1.372 nicm 1210: *y = (ctx->yoff + py) - ctx->woy;
1211: *ry = ctx->wsy - *y;
1.309 nicm 1212: }
1213: if (*ry > ny)
1214: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1215:
1216: return (1);
1217: }
1218:
1219: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1220: static void
1.373 nicm 1221: tty_clear_area(struct tty *tty, const struct grid_cell *defaults, u_int py,
1222: u_int ny, u_int px, u_int nx, u_int bg)
1.271 nicm 1223: {
1.309 nicm 1224: struct client *c = tty->client;
1225: u_int yy;
1226: char tmp[64];
1.271 nicm 1227:
1.309 nicm 1228: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1229:
1230: /* Nothing to clear. */
1231: if (nx == 0 || ny == 0)
1232: return;
1233:
1234: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1235: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.276 nicm 1236: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1237: if (px == 0 &&
1238: px + nx >= tty->sx &&
1239: py + ny >= tty->sy &&
1240: tty_term_has(tty->term, TTYC_ED)) {
1241: tty_cursor(tty, 0, py);
1242: tty_putcode(tty, TTYC_ED);
1.274 nicm 1243: return;
1244: }
1245:
1246: /*
1.276 nicm 1247: * On VT420 compatible terminals we can use DECFRA if the
1248: * background colour isn't default (because it doesn't work
1249: * after SGR 0).
1.274 nicm 1250: */
1.359 nicm 1251: if ((tty->term->flags & TERM_DECFRA) && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1252: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1253: py + 1, px + 1, py + ny, px + nx);
1254: tty_puts(tty, tmp);
1.276 nicm 1255: return;
1256: }
1257:
1.280 nicm 1258: /* Full lines can be scrolled away to clear them. */
1259: if (px == 0 &&
1.281 nicm 1260: px + nx >= tty->sx &&
1.280 nicm 1261: ny > 2 &&
1262: tty_term_has(tty->term, TTYC_CSR) &&
1263: tty_term_has(tty->term, TTYC_INDN)) {
1264: tty_region(tty, py, py + ny - 1);
1265: tty_margin_off(tty);
1.284 nicm 1266: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1267: return;
1268: }
1269:
1.276 nicm 1270: /*
1271: * If margins are supported, can just scroll the area off to
1272: * clear it.
1273: */
1.277 nicm 1274: if (nx > 2 &&
1275: ny > 2 &&
1.280 nicm 1276: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1277: tty_use_margin(tty) &&
1278: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1279: tty_region(tty, py, py + ny - 1);
1280: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1281: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1282: return;
1283: }
1284: }
1285:
1286: /* Couldn't use an escape sequence, loop over the lines. */
1287: for (yy = py; yy < py + ny; yy++)
1.373 nicm 1288: tty_clear_line(tty, defaults, yy, px, nx, bg);
1.271 nicm 1289: }
1290:
1.309 nicm 1291: /* Clear an area in a pane. */
1292: static void
1293: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1294: u_int ny, u_int px, u_int nx, u_int bg)
1295: {
1296: u_int i, j, x, y, rx, ry;
1297:
1298: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1.373 nicm 1299: tty_clear_area(tty, &ctx->defaults, y, ry, x, rx, bg);
1.309 nicm 1300: }
1301:
1302: static void
1303: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1304: {
1.373 nicm 1305: struct screen *s = ctx->s;
1306: u_int nx = ctx->sx, i, x, rx, ry;
1.309 nicm 1307:
1308: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1309:
1310: if (!ctx->bigger) {
1.373 nicm 1311: tty_draw_line(tty, s, 0, py, nx, ctx->xoff, ctx->yoff + py,
1312: &ctx->defaults, ctx->palette);
1.309 nicm 1313: return;
1314: }
1.373 nicm 1315: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry)) {
1316: tty_draw_line(tty, s, i, py, rx, x, ry, &ctx->defaults,
1317: ctx->palette);
1318: }
1.176 nicm 1319: }
1320:
1.298 nicm 1321: static const struct grid_cell *
1322: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1323: {
1324: static struct grid_cell new;
1.377 nicm 1325: int c;
1.298 nicm 1326:
1327: /* Characters less than 0x7f are always fine, no matter what. */
1328: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1329: return (gc);
1330:
1331: /* UTF-8 terminal and a UTF-8 character - fine. */
1.359 nicm 1332: if (tty->client->flags & CLIENT_UTF8)
1.298 nicm 1333: return (gc);
1.377 nicm 1334: memcpy(&new, gc, sizeof new);
1335:
1336: /* See if this can be mapped to an ACS character. */
1337: c = tty_acs_reverse_get(tty, gc->data.data, gc->data.size);
1338: if (c != -1) {
1339: utf8_set(&new.data, c);
1340: new.attr |= GRID_ATTR_CHARSET;
1341: return (&new);
1342: }
1.298 nicm 1343:
1344: /* Replace by the right number of underscores. */
1.377 nicm 1345: new.data.size = gc->data.width;
1346: if (new.data.size > UTF8_SIZE)
1347: new.data.size = UTF8_SIZE;
1348: memset(new.data.data, '_', new.data.size);
1.298 nicm 1349: return (&new);
1350: }
1351:
1.406 nicm 1352: /*
1353: * Check if a single character is obstructed by the overlay and return a
1354: * boolean.
1355: */
1.346 nicm 1356: static int
1357: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1358: {
1.406 nicm 1359: struct overlay_ranges r;
1360:
1361: /*
1362: * A unit width range will always return nx[2] == 0 from a check, even
1363: * with multiple overlays, so it's sufficient to check just the first
1364: * two entries.
1365: */
1366: tty_check_overlay_range(tty, px, py, 1, &r);
1367: if (r.nx[0] + r.nx[1] == 0)
1368: return (0);
1369: return (1);
1370: }
1371:
1372: /* Return parts of the input range which are visible. */
1373: static void
1374: tty_check_overlay_range(struct tty *tty, u_int px, u_int py, u_int nx,
1375: struct overlay_ranges *r)
1376: {
1.346 nicm 1377: struct client *c = tty->client;
1378:
1.406 nicm 1379: if (c->overlay_check == NULL) {
1380: r->px[0] = px;
1381: r->nx[0] = nx;
1382: r->px[1] = 0;
1383: r->nx[1] = 0;
1384: r->px[2] = 0;
1385: r->nx[2] = 0;
1386: return;
1387: }
1388:
1389: c->overlay_check(c, c->overlay_data, px, py, nx, r);
1.346 nicm 1390: }
1391:
1.176 nicm 1392: void
1.373 nicm 1393: tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
1.399 nicm 1394: u_int atx, u_int aty, const struct grid_cell *defaults,
1395: struct colour_palette *palette)
1.1 nicm 1396: {
1.297 nicm 1397: struct grid *gd = s->grid;
1.250 nicm 1398: struct grid_cell gc, last;
1.298 nicm 1399: const struct grid_cell *gcp;
1.309 nicm 1400: struct grid_line *gl;
1.394 nicm 1401: struct client *c = tty->client;
1.406 nicm 1402: struct overlay_ranges r;
1403: u_int i, j, ux, sx, width, hidden, eux, nxx;
1404: u_int cellsize;
1.396 nicm 1405: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1406: char buf[512];
1.315 nicm 1407: size_t len;
1.1 nicm 1408:
1.309 nicm 1409: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1410: px, py, nx, atx, aty);
1.399 nicm 1411: log_debug("%s: defaults: fg=%d, bg=%d", __func__, defaults->fg,
1412: defaults->bg);
1.309 nicm 1413:
1414: /*
1415: * py is the line in the screen to draw.
1416: * px is the start x and nx is the width to draw.
1417: * atx,aty is the line on the terminal to draw it.
1418: */
1419:
1.259 nicm 1420: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1421: tty->flags |= TTY_NOCURSOR;
1422: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1423:
1.214 nicm 1424: tty_region_off(tty);
1425: tty_margin_off(tty);
1426:
1.273 nicm 1427: /*
1428: * Clamp the width to cellsize - note this is not cellused, because
1429: * there may be empty background cells after it (from BCE).
1430: */
1.1 nicm 1431: sx = screen_size_x(s);
1.309 nicm 1432: if (nx > sx)
1433: nx = sx;
1.303 nicm 1434: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1435: if (sx > cellsize)
1436: sx = cellsize;
1.1 nicm 1437: if (sx > tty->sx)
1438: sx = tty->sx;
1.309 nicm 1439: if (sx > nx)
1440: sx = nx;
1.292 nicm 1441: ux = 0;
1.1 nicm 1442:
1.309 nicm 1443: if (py == 0)
1444: gl = NULL;
1445: else
1446: gl = grid_get_line(gd, gd->hsize + py - 1);
1.373 nicm 1447: if (gl == NULL ||
1.309 nicm 1448: (~gl->flags & GRID_LINE_WRAPPED) ||
1449: atx != 0 ||
1.268 nicm 1450: tty->cx < tty->sx ||
1.309 nicm 1451: nx < tty->sx) {
1452: if (nx < tty->sx &&
1453: atx == 0 &&
1454: px + sx != nx &&
1.268 nicm 1455: tty_term_has(tty->term, TTYC_EL1) &&
1.394 nicm 1456: !tty_fake_bce(tty, defaults, 8) &&
1457: c->overlay_check == NULL) {
1.373 nicm 1458: tty_default_attributes(tty, defaults, palette, 8);
1.309 nicm 1459: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1460: tty_putcode(tty, TTYC_EL1);
1461: cleared = 1;
1462: }
1.329 nicm 1463: } else {
1.309 nicm 1464: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1465: wrapped = 1;
1466: }
1.250 nicm 1467:
1468: memcpy(&last, &grid_default_cell, sizeof last);
1469: len = 0;
1470: width = 0;
1.46 nicm 1471:
1.1 nicm 1472: for (i = 0; i < sx; i++) {
1.309 nicm 1473: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1474: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1475: if (len != 0 &&
1.346 nicm 1476: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1477: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1478: gcp->flags != last.flags ||
1479: gcp->attr != last.attr ||
1480: gcp->fg != last.fg ||
1481: gcp->bg != last.bg ||
1.328 nicm 1482: gcp->us != last.us ||
1.315 nicm 1483: ux + width + gcp->data.width > nx ||
1.298 nicm 1484: (sizeof buf) - len < gcp->data.size)) {
1.373 nicm 1485: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1486: if (last.flags & GRID_FLAG_CLEARED) {
1487: log_debug("%s: %zu cleared", __func__, len);
1.373 nicm 1488: tty_clear_line(tty, defaults, aty, atx + ux,
1489: width, last.bg);
1.315 nicm 1490: } else {
1.329 nicm 1491: if (!wrapped || atx != 0 || ux != 0)
1492: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1493: tty_putn(tty, buf, len, width);
1494: }
1.292 nicm 1495: ux += width;
1.250 nicm 1496:
1497: len = 0;
1498: width = 0;
1.329 nicm 1499: wrapped = 0;
1.250 nicm 1500: }
1501:
1.298 nicm 1502: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1503: screen_select_cell(s, &last, gcp);
1.250 nicm 1504: else
1.299 nicm 1505: memcpy(&last, gcp, sizeof last);
1.395 nicm 1506:
1.406 nicm 1507: tty_check_overlay_range(tty, atx + ux, aty, gcp->data.width,
1508: &r);
1.395 nicm 1509: hidden = 0;
1.406 nicm 1510: for (j = 0; j < OVERLAY_MAX_RANGES; j++)
1511: hidden += r.nx[j];
1512: hidden = gcp->data.width - hidden;
1.396 nicm 1513: if (hidden != 0 && hidden == gcp->data.width) {
1514: if (~gcp->flags & GRID_FLAG_PADDING)
1515: ux += gcp->data.width;
1516: } else if (hidden != 0 || ux + gcp->data.width > nx) {
1.395 nicm 1517: if (~gcp->flags & GRID_FLAG_PADDING) {
1518: tty_attributes(tty, &last, defaults, palette);
1.406 nicm 1519: for (j = 0; j < OVERLAY_MAX_RANGES; j++) {
1520: if (r.nx[j] == 0)
1521: continue;
1522: /* Effective width drawn so far. */
1523: eux = r.px[j] - atx;
1524: if (eux < nx) {
1525: tty_cursor(tty, r.px[j], aty);
1526: nxx = nx - eux;
1527: if (r.nx[j] > nxx)
1528: r.nx[j] = nxx;
1529: tty_repeat_space(tty, r.nx[j]);
1530: ux = eux + r.nx[j];
1.397 nicm 1531: }
1.395 nicm 1532: }
1.297 nicm 1533: }
1.299 nicm 1534: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1.373 nicm 1535: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1536: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1537: for (j = 0; j < gcp->data.size; j++)
1538: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1539: ux += gcp->data.width;
1.381 nicm 1540: } else if (~gcp->flags & GRID_FLAG_PADDING) {
1.298 nicm 1541: memcpy(buf + len, gcp->data.data, gcp->data.size);
1542: len += gcp->data.size;
1543: width += gcp->data.width;
1.250 nicm 1544: }
1545: }
1.315 nicm 1546: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.373 nicm 1547: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1548: if (last.flags & GRID_FLAG_CLEARED) {
1549: log_debug("%s: %zu cleared (end)", __func__, len);
1.373 nicm 1550: tty_clear_line(tty, defaults, aty, atx + ux, width,
1551: last.bg);
1.315 nicm 1552: } else {
1.329 nicm 1553: if (!wrapped || atx != 0 || ux != 0)
1554: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1555: tty_putn(tty, buf, len, width);
1556: }
1.315 nicm 1557: ux += width;
1.1 nicm 1558: }
1559:
1.309 nicm 1560: if (!cleared && ux < nx) {
1.315 nicm 1561: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1562: nx - ux, len);
1.373 nicm 1563: tty_default_attributes(tty, defaults, palette, 8);
1564: tty_clear_line(tty, defaults, aty, atx + ux, nx - ux, 8);
1.35 nicm 1565: }
1.1 nicm 1566:
1.181 nicm 1567: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1568: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1569: }
1570:
1.348 nicm 1571: void
1572: tty_sync_start(struct tty *tty)
1573: {
1.361 nicm 1574: if (tty->flags & TTY_BLOCK)
1575: return;
1576: if (tty->flags & TTY_SYNCING)
1577: return;
1578: tty->flags |= TTY_SYNCING;
1579:
1580: if (tty_term_has(tty->term, TTYC_SYNC)) {
1581: log_debug("%s sync start", tty->client->name);
1.360 nicm 1582: tty_putcode1(tty, TTYC_SYNC, 1);
1.357 nicm 1583: }
1.348 nicm 1584: }
1585:
1586: void
1587: tty_sync_end(struct tty *tty)
1588: {
1.361 nicm 1589: if (tty->flags & TTY_BLOCK)
1590: return;
1591: if (~tty->flags & TTY_SYNCING)
1592: return;
1593: tty->flags &= ~TTY_SYNCING;
1594:
1595: if (tty_term_has(tty->term, TTYC_SYNC)) {
1596: log_debug("%s sync end", tty->client->name);
1.360 nicm 1597: tty_putcode1(tty, TTYC_SYNC, 2);
1.357 nicm 1598: }
1.348 nicm 1599: }
1600:
1.201 nicm 1601: static int
1.373 nicm 1602: tty_client_ready(struct client *c)
1.182 nicm 1603: {
1604: if (c->session == NULL || c->tty.term == NULL)
1605: return (0);
1.305 nicm 1606: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1607: return (0);
1608: if (c->tty.flags & TTY_FREEZE)
1609: return (0);
1610: return (1);
1611: }
1612:
1.15 nicm 1613: void
1.182 nicm 1614: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1615: struct tty_ctx *ctx)
1.15 nicm 1616: {
1.373 nicm 1617: struct client *c;
1618: int state;
1.15 nicm 1619:
1.373 nicm 1620: if (ctx->set_client_cb == NULL)
1.15 nicm 1621: return;
1.178 nicm 1622: TAILQ_FOREACH(c, &clients, entry) {
1.373 nicm 1623: if (!tty_client_ready(c))
1.15 nicm 1624: continue;
1.373 nicm 1625: state = ctx->set_client_cb(ctx, c);
1626: if (state == -1)
1.358 nicm 1627: break;
1.373 nicm 1628: if (state == 0)
1629: continue;
1.139 nicm 1630: cmdfn(&c->tty, ctx);
1.1 nicm 1631: }
1632: }
1633:
1634: void
1.24 nicm 1635: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1636: {
1.394 nicm 1637: struct client *c = tty->client;
1638:
1.309 nicm 1639: if (ctx->bigger ||
1.372 nicm 1640: !tty_full_width(tty, ctx) ||
1.373 nicm 1641: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.210 nicm 1642: (!tty_term_has(tty->term, TTYC_ICH) &&
1.394 nicm 1643: !tty_term_has(tty->term, TTYC_ICH1)) ||
1644: c->overlay_check != NULL) {
1.309 nicm 1645: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1646: return;
1647: }
1648:
1.373 nicm 1649: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1650:
1.77 nicm 1651: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1652:
1.206 nicm 1653: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1654: }
1655:
1656: void
1.24 nicm 1657: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1658: {
1.394 nicm 1659: struct client *c = tty->client;
1660:
1.309 nicm 1661: if (ctx->bigger ||
1.372 nicm 1662: !tty_full_width(tty, ctx) ||
1.373 nicm 1663: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.26 nicm 1664: (!tty_term_has(tty->term, TTYC_DCH) &&
1.394 nicm 1665: !tty_term_has(tty->term, TTYC_DCH1)) ||
1666: c->overlay_check != NULL) {
1.309 nicm 1667: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1668: return;
1669: }
1670:
1.373 nicm 1671: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1672:
1.77 nicm 1673: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1674:
1.206 nicm 1675: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1676: }
1677:
1678: void
1679: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1680: {
1.373 nicm 1681: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.146 nicm 1682:
1.388 nicm 1683: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, ctx->num, ctx->bg);
1.1 nicm 1684: }
1685:
1686: void
1.24 nicm 1687: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1688: {
1.394 nicm 1689: struct client *c = tty->client;
1690:
1.309 nicm 1691: if (ctx->bigger ||
1.372 nicm 1692: !tty_full_width(tty, ctx) ||
1.373 nicm 1693: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.77 nicm 1694: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1695: !tty_term_has(tty->term, TTYC_IL1) ||
1.373 nicm 1696: ctx->sx == 1 ||
1.394 nicm 1697: ctx->sy == 1 ||
1698: c->overlay_check != NULL) {
1.14 nicm 1699: tty_redraw_region(tty, ctx);
1.1 nicm 1700: return;
1701: }
1702:
1.373 nicm 1703: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1704:
1.77 nicm 1705: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1706: tty_margin_off(tty);
1.77 nicm 1707: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1708:
1.12 nicm 1709: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1710: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1711: }
1712:
1713: void
1.24 nicm 1714: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1715: {
1.394 nicm 1716: struct client *c = tty->client;
1717:
1.309 nicm 1718: if (ctx->bigger ||
1.372 nicm 1719: !tty_full_width(tty, ctx) ||
1.373 nicm 1720: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.72 nicm 1721: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1722: !tty_term_has(tty->term, TTYC_DL1) ||
1.373 nicm 1723: ctx->sx == 1 ||
1.394 nicm 1724: ctx->sy == 1 ||
1725: c->overlay_check != NULL) {
1.14 nicm 1726: tty_redraw_region(tty, ctx);
1.1 nicm 1727: return;
1728: }
1729:
1.373 nicm 1730: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1731:
1.77 nicm 1732: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1733: tty_margin_off(tty);
1.77 nicm 1734: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1735:
1.12 nicm 1736: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1737: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1738: }
1739:
1740: void
1.24 nicm 1741: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1742: {
1.373 nicm 1743: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1744:
1.372 nicm 1745: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->sx, ctx->bg);
1.1 nicm 1746: }
1747:
1748: void
1.24 nicm 1749: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1750: {
1.373 nicm 1751: u_int nx = ctx->sx - ctx->ocx;
1.1 nicm 1752:
1.373 nicm 1753: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1754:
1.309 nicm 1755: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1756: }
1757:
1758: void
1.24 nicm 1759: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1760: {
1.373 nicm 1761: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1762:
1.309 nicm 1763: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1764: }
1765:
1766: void
1.24 nicm 1767: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1768: {
1.394 nicm 1769: struct client *c = tty->client;
1770:
1.56 nicm 1771: if (ctx->ocy != ctx->orupper)
1772: return;
1773:
1.309 nicm 1774: if (ctx->bigger ||
1.372 nicm 1775: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1776: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.70 nicm 1777: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1778: (!tty_term_has(tty->term, TTYC_RI) &&
1779: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1780: ctx->sx == 1 ||
1.394 nicm 1781: ctx->sy == 1 ||
1782: c->overlay_check != NULL) {
1.14 nicm 1783: tty_redraw_region(tty, ctx);
1.1 nicm 1784: return;
1785: }
1786:
1.373 nicm 1787: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1788:
1.56 nicm 1789: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1790: tty_margin_pane(tty, ctx);
1.56 nicm 1791: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1792:
1.331 nicm 1793: if (tty_term_has(tty->term, TTYC_RI))
1794: tty_putcode(tty, TTYC_RI);
1795: else
1796: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1797: }
1798:
1799: void
1.24 nicm 1800: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1801: {
1.394 nicm 1802: struct client *c = tty->client;
1803:
1.56 nicm 1804: if (ctx->ocy != ctx->orlower)
1805: return;
1806:
1.309 nicm 1807: if (ctx->bigger ||
1.372 nicm 1808: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1809: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1810: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1811: ctx->sx == 1 ||
1.394 nicm 1812: ctx->sy == 1 ||
1813: c->overlay_check != NULL) {
1.236 nicm 1814: tty_redraw_region(tty, ctx);
1.1 nicm 1815: return;
1816: }
1.52 nicm 1817:
1.373 nicm 1818: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1819:
1.56 nicm 1820: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1821: tty_margin_pane(tty, ctx);
1822:
1823: /*
1.301 nicm 1824: * If we want to wrap a pane while using margins, the cursor needs to
1825: * be exactly on the right of the region. If the cursor is entirely off
1826: * the edge - move it back to the right. Some terminals are funny about
1827: * this and insert extra spaces, so only use the right if margins are
1828: * enabled.
1.212 nicm 1829: */
1.301 nicm 1830: if (ctx->xoff + ctx->ocx > tty->rright) {
1831: if (!tty_use_margin(tty))
1832: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1833: else
1834: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1835: } else
1.212 nicm 1836: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1837:
1.56 nicm 1838: tty_putc(tty, '\n');
1.240 nicm 1839: }
1840:
1841: void
1842: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1843: {
1.394 nicm 1844: struct client *c = tty->client;
1845: u_int i;
1.240 nicm 1846:
1.309 nicm 1847: if (ctx->bigger ||
1.372 nicm 1848: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1849: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1850: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1851: ctx->sx == 1 ||
1.394 nicm 1852: ctx->sy == 1 ||
1853: c->overlay_check != NULL) {
1.240 nicm 1854: tty_redraw_region(tty, ctx);
1855: return;
1856: }
1857:
1.373 nicm 1858: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.240 nicm 1859:
1860: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1861: tty_margin_pane(tty, ctx);
1862:
1.284 nicm 1863: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1864: if (!tty_use_margin(tty))
1865: tty_cursor(tty, 0, tty->rlower);
1866: else
1867: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1868: for (i = 0; i < ctx->num; i++)
1.240 nicm 1869: tty_putc(tty, '\n');
1.301 nicm 1870: } else {
1.353 nicm 1871: if (tty->cy == UINT_MAX)
1872: tty_cursor(tty, 0, 0);
1873: else
1874: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1875: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1876: }
1877: }
1878:
1879: void
1880: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1881: {
1.394 nicm 1882: u_int i;
1883: struct client *c = tty->client;
1.331 nicm 1884:
1885: if (ctx->bigger ||
1.372 nicm 1886: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1887: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.331 nicm 1888: !tty_term_has(tty->term, TTYC_CSR) ||
1889: (!tty_term_has(tty->term, TTYC_RI) &&
1890: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1891: ctx->sx == 1 ||
1.394 nicm 1892: ctx->sy == 1 ||
1893: c->overlay_check != NULL) {
1.331 nicm 1894: tty_redraw_region(tty, ctx);
1895: return;
1896: }
1897:
1.373 nicm 1898: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.331 nicm 1899:
1900: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1901: tty_margin_pane(tty, ctx);
1902: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1903:
1904: if (tty_term_has(tty->term, TTYC_RIN))
1905: tty_putcode1(tty, TTYC_RIN, ctx->num);
1906: else {
1907: for (i = 0; i < ctx->num; i++)
1908: tty_putcode(tty, TTYC_RI);
1.301 nicm 1909: }
1.1 nicm 1910: }
1911:
1912: void
1.24 nicm 1913: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1914: {
1.373 nicm 1915: u_int px, py, nx, ny;
1.1 nicm 1916:
1.373 nicm 1917: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1918:
1.372 nicm 1919: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1920: tty_margin_off(tty);
1.39 nicm 1921:
1.309 nicm 1922: px = 0;
1.372 nicm 1923: nx = ctx->sx;
1.309 nicm 1924: py = ctx->ocy + 1;
1.372 nicm 1925: ny = ctx->sy - ctx->ocy - 1;
1.271 nicm 1926:
1.309 nicm 1927: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1928:
1.309 nicm 1929: px = ctx->ocx;
1.372 nicm 1930: nx = ctx->sx - ctx->ocx;
1.309 nicm 1931: py = ctx->ocy;
1.271 nicm 1932:
1.309 nicm 1933: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1934: }
1935:
1936: void
1.24 nicm 1937: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1938: {
1.373 nicm 1939: u_int px, py, nx, ny;
1.1 nicm 1940:
1.373 nicm 1941: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1942:
1.372 nicm 1943: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1944: tty_margin_off(tty);
1.39 nicm 1945:
1.309 nicm 1946: px = 0;
1.372 nicm 1947: nx = ctx->sx;
1.309 nicm 1948: py = 0;
1.319 nicm 1949: ny = ctx->ocy;
1.271 nicm 1950:
1.309 nicm 1951: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1952:
1.309 nicm 1953: px = 0;
1.271 nicm 1954: nx = ctx->ocx + 1;
1.309 nicm 1955: py = ctx->ocy;
1.271 nicm 1956:
1.309 nicm 1957: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1958: }
1959:
1960: void
1.24 nicm 1961: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1962: {
1.373 nicm 1963: u_int px, py, nx, ny;
1.1 nicm 1964:
1.373 nicm 1965: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1966:
1.372 nicm 1967: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1968: tty_margin_off(tty);
1.39 nicm 1969:
1.309 nicm 1970: px = 0;
1.372 nicm 1971: nx = ctx->sx;
1.309 nicm 1972: py = 0;
1.372 nicm 1973: ny = ctx->sy;
1.271 nicm 1974:
1.309 nicm 1975: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1976: }
1977:
1978: void
1.24 nicm 1979: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1980: {
1.373 nicm 1981: u_int i, j;
1.4 nicm 1982:
1.309 nicm 1983: if (ctx->bigger) {
1.373 nicm 1984: ctx->redraw_cb(ctx);
1.309 nicm 1985: return;
1986: }
1987:
1.373 nicm 1988: tty_attributes(tty, &grid_default_cell, &ctx->defaults, ctx->palette);
1.4 nicm 1989:
1.372 nicm 1990: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1991: tty_margin_off(tty);
1.4 nicm 1992:
1.372 nicm 1993: for (j = 0; j < ctx->sy; j++) {
1.41 nicm 1994: tty_cursor_pane(tty, ctx, 0, j);
1.372 nicm 1995: for (i = 0; i < ctx->sx; i++)
1.4 nicm 1996: tty_putc(tty, 'E');
1.1 nicm 1997: }
1998: }
1999:
2000: void
1.24 nicm 2001: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 2002: {
1.394 nicm 2003: const struct grid_cell *gcp = ctx->cell;
2004: struct screen *s = ctx->s;
1.406 nicm 2005: struct overlay_ranges r;
2006: u_int px, py, i, vis = 0;
1.394 nicm 2007:
2008: px = ctx->xoff + ctx->ocx - ctx->wox;
2009: py = ctx->yoff + ctx->ocy - ctx->woy;
2010: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1) ||
2011: (gcp->data.width == 1 && !tty_check_overlay(tty, px, py)))
2012: return;
2013:
2014: /* Handle partially obstructed wide characters. */
2015: if (gcp->data.width > 1) {
1.406 nicm 2016: tty_check_overlay_range(tty, px, py, gcp->data.width, &r);
2017: for (i = 0; i < OVERLAY_MAX_RANGES; i++)
2018: vis += r.nx[i];
2019: if (vis < gcp->data.width) {
1.408 nicm 2020: tty_draw_line(tty, s, s->cx, s->cy, gcp->data.width,
2021: px, py, &ctx->defaults, ctx->palette);
2022: return;
1.394 nicm 2023: }
2024: }
1.309 nicm 2025:
1.372 nicm 2026: if (ctx->xoff + ctx->ocx - ctx->wox > tty->sx - 1 &&
1.306 nicm 2027: ctx->ocy == ctx->orlower &&
1.372 nicm 2028: tty_full_width(tty, ctx))
1.306 nicm 2029: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 2030:
1.306 nicm 2031: tty_margin_off(tty);
1.253 nicm 2032: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 2033:
1.373 nicm 2034: tty_cell(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 2035: }
2036:
2037: void
2038: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
2039: {
1.407 nicm 2040: struct overlay_ranges r;
2041: u_int i, px, py, cx;
2042: char *cp = ctx->ptr;
1.394 nicm 2043:
1.309 nicm 2044: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
2045: return;
2046:
2047: if (ctx->bigger &&
1.372 nicm 2048: (ctx->xoff + ctx->ocx < ctx->wox ||
2049: ctx->xoff + ctx->ocx + ctx->num > ctx->wox + ctx->wsx)) {
1.309 nicm 2050: if (!ctx->wrapped ||
1.372 nicm 2051: !tty_full_width(tty, ctx) ||
1.382 nicm 2052: (tty->term->flags & TERM_NOAM) ||
1.309 nicm 2053: ctx->xoff + ctx->ocx != 0 ||
2054: ctx->yoff + ctx->ocy != tty->cy + 1 ||
2055: tty->cx < tty->sx ||
2056: tty->cy == tty->rlower)
2057: tty_draw_pane(tty, ctx, ctx->ocy);
2058: else
1.373 nicm 2059: ctx->redraw_cb(ctx);
1.309 nicm 2060: return;
2061: }
2062:
1.306 nicm 2063: tty_margin_off(tty);
1.253 nicm 2064: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.407 nicm 2065: tty_attributes(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 2066:
1.407 nicm 2067: /* Get tty position from pane position for overlay check. */
2068: px = ctx->xoff + ctx->ocx - ctx->wox;
2069: py = ctx->yoff + ctx->ocy - ctx->woy;
2070:
2071: tty_check_overlay_range(tty, px, py, ctx->num, &r);
1.406 nicm 2072: for (i = 0; i < OVERLAY_MAX_RANGES; i++) {
2073: if (r.nx[i] == 0)
2074: continue;
1.407 nicm 2075: /* Convert back to pane position for printing. */
2076: cx = r.px[i] - ctx->xoff + ctx->wox;
2077: tty_cursor_pane_unless_wrap(tty, ctx, cx, ctx->ocy);
2078: tty_putn(tty, cp + r.px[i] - px, r.nx[i], r.nx[i]);
1.394 nicm 2079: }
1.106 nicm 2080: }
2081:
2082: void
2083: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
2084: {
1.383 nicm 2085: tty_set_selection(tty, ctx->ptr, ctx->num);
2086: }
2087:
2088: void
2089: tty_set_selection(struct tty *tty, const char *buf, size_t len)
2090: {
2091: char *encoded;
2092: size_t size;
1.106 nicm 2093:
1.384 nicm 2094: if (~tty->flags & TTY_STARTED)
2095: return;
1.106 nicm 2096: if (!tty_term_has(tty->term, TTYC_MS))
1.383 nicm 2097: return;
1.106 nicm 2098:
1.383 nicm 2099: size = 4 * ((len + 2) / 3) + 1; /* storage for base64 */
2100: encoded = xmalloc(size);
1.106 nicm 2101:
1.383 nicm 2102: b64_ntop(buf, len, encoded, size);
1.414 nicm 2103: tty->flags |= TTY_NOBLOCK;
1.383 nicm 2104: tty_putcode_ptr2(tty, TTYC_MS, "", encoded);
1.106 nicm 2105:
1.383 nicm 2106: free(encoded);
1.100 nicm 2107: }
2108:
2109: void
2110: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
2111: {
1.414 nicm 2112: tty->flags |= TTY_NOBLOCK;
1.256 nicm 2113: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 2114: tty_invalidate(tty);
1.348 nicm 2115: }
2116:
2117: void
1.402 nicm 2118: tty_cmd_syncstart(struct tty *tty, const struct tty_ctx *ctx)
1.348 nicm 2119: {
1.402 nicm 2120: if (ctx->num == 0x11) {
2121: /*
1.403 nicm 2122: * This is an overlay and a command that moves the cursor so
1.402 nicm 2123: * start synchronized updates.
2124: */
2125: tty_sync_start(tty);
2126: } else if (~ctx->num & 0x10) {
2127: /*
2128: * This is a pane. If there is an overlay, always start;
2129: * otherwise, only if requested.
2130: */
2131: if (ctx->num || tty->client->overlay_draw != NULL)
2132: tty_sync_start(tty);
2133: }
1.1 nicm 2134: }
2135:
1.377 nicm 2136: void
1.373 nicm 2137: tty_cell(struct tty *tty, const struct grid_cell *gc,
1.399 nicm 2138: const struct grid_cell *defaults, struct colour_palette *palette)
1.1 nicm 2139: {
1.298 nicm 2140: const struct grid_cell *gcp;
1.1 nicm 2141:
2142: /* Skip last character if terminal is stupid. */
1.382 nicm 2143: if ((tty->term->flags & TERM_NOAM) &&
1.211 nicm 2144: tty->cy == tty->sy - 1 &&
2145: tty->cx == tty->sx - 1)
1.1 nicm 2146: return;
2147:
2148: /* If this is a padding character, do nothing. */
2149: if (gc->flags & GRID_FLAG_PADDING)
2150: return;
2151:
1.377 nicm 2152: /* Check the output codeset and apply attributes. */
2153: gcp = tty_check_codeset(tty, gc);
2154: tty_attributes(tty, gcp, defaults, palette);
1.1 nicm 2155:
1.377 nicm 2156: /* If it is a single character, write with putc to handle ACS. */
1.298 nicm 2157: if (gcp->data.size == 1) {
1.377 nicm 2158: tty_attributes(tty, gcp, defaults, palette);
1.298 nicm 2159: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 2160: return;
1.298 nicm 2161: tty_putc(tty, *gcp->data.data);
1.1 nicm 2162: return;
2163: }
2164:
1.147 nicm 2165: /* Write the data. */
1.298 nicm 2166: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 2167: }
2168:
2169: void
2170: tty_reset(struct tty *tty)
2171: {
2172: struct grid_cell *gc = &tty->cell;
2173:
1.228 nicm 2174: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 2175: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 2176: tty_putcode(tty, TTYC_RMACS);
2177: tty_putcode(tty, TTYC_SGR0);
2178: memcpy(gc, &grid_default_cell, sizeof *gc);
2179: }
2180: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1.242 nicm 2181: }
2182:
2183: static void
2184: tty_invalidate(struct tty *tty)
2185: {
2186: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
2187: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
2188:
2189: tty->cx = tty->cy = UINT_MAX;
2190: tty->rupper = tty->rleft = UINT_MAX;
2191: tty->rlower = tty->rright = UINT_MAX;
2192:
2193: if (tty->flags & TTY_STARTED) {
1.330 nicm 2194: if (tty_use_margin(tty))
1.365 nicm 2195: tty_putcode(tty, TTYC_ENMG);
1.242 nicm 2196: tty_putcode(tty, TTYC_SGR0);
2197:
2198: tty->mode = ALL_MODES;
2199: tty_update_mode(tty, MODE_CURSOR, NULL);
2200:
2201: tty_cursor(tty, 0, 0);
2202: tty_region_off(tty);
2203: tty_margin_off(tty);
2204: } else
2205: tty->mode = MODE_CURSOR;
1.1 nicm 2206: }
2207:
1.214 nicm 2208: /* Turn off margin. */
2209: void
2210: tty_region_off(struct tty *tty)
2211: {
2212: tty_region(tty, 0, tty->sy - 1);
2213: }
2214:
1.40 nicm 2215: /* Set region inside pane. */
1.208 nicm 2216: static void
1.196 nicm 2217: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
2218: u_int rlower)
1.1 nicm 2219: {
1.372 nicm 2220: tty_region(tty, ctx->yoff + rupper - ctx->woy,
2221: ctx->yoff + rlower - ctx->woy);
1.39 nicm 2222: }
2223:
1.40 nicm 2224: /* Set region at absolute position. */
1.214 nicm 2225: static void
1.40 nicm 2226: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2227: {
2228: if (tty->rlower == rlower && tty->rupper == rupper)
2229: return;
1.1 nicm 2230: if (!tty_term_has(tty->term, TTYC_CSR))
2231: return;
1.39 nicm 2232:
2233: tty->rupper = rupper;
2234: tty->rlower = rlower;
1.55 nicm 2235:
2236: /*
2237: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2238: * 0,0 if it is beyond the last column (they do not reset their wrap
2239: * flag so further output causes a line feed). As a workaround, do an
2240: * explicit move to 0 first.
2241: */
1.353 nicm 2242: if (tty->cx >= tty->sx) {
2243: if (tty->cy == UINT_MAX)
2244: tty_cursor(tty, 0, 0);
2245: else
2246: tty_cursor(tty, 0, tty->cy);
2247: }
1.42 nicm 2248:
1.39 nicm 2249: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2250: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2251: }
2252:
1.214 nicm 2253: /* Turn off margin. */
2254: void
2255: tty_margin_off(struct tty *tty)
2256: {
2257: tty_margin(tty, 0, tty->sx - 1);
2258: }
2259:
1.212 nicm 2260: /* Set margin inside pane. */
2261: static void
2262: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2263: {
1.372 nicm 2264: tty_margin(tty, ctx->xoff - ctx->wox,
1.373 nicm 2265: ctx->xoff + ctx->sx - 1 - ctx->wox);
1.212 nicm 2266: }
2267:
2268: /* Set margin at absolute position. */
1.214 nicm 2269: static void
1.212 nicm 2270: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2271: {
2272: if (!tty_use_margin(tty))
2273: return;
2274: if (tty->rleft == rleft && tty->rright == rright)
2275: return;
2276:
1.232 nicm 2277: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2278:
1.212 nicm 2279: tty->rleft = rleft;
2280: tty->rright = rright;
2281:
1.232 nicm 2282: if (rleft == 0 && rright == tty->sx - 1)
1.365 nicm 2283: tty_putcode(tty, TTYC_CLMG);
1.232 nicm 2284: else
1.365 nicm 2285: tty_putcode2(tty, TTYC_CMG, rleft, rright);
1.249 nicm 2286: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2287: }
2288:
2289: /*
2290: * Move the cursor, unless it would wrap itself when the next character is
2291: * printed.
2292: */
2293: static void
2294: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2295: u_int cx, u_int cy)
2296: {
1.268 nicm 2297: if (!ctx->wrapped ||
1.372 nicm 2298: !tty_full_width(tty, ctx) ||
1.382 nicm 2299: (tty->term->flags & TERM_NOAM) ||
1.253 nicm 2300: ctx->xoff + cx != 0 ||
2301: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2302: tty->cx < tty->sx ||
2303: tty->cy == tty->rlower)
1.253 nicm 2304: tty_cursor_pane(tty, ctx, cx, cy);
2305: else
2306: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2307: }
2308:
1.42 nicm 2309: /* Move cursor inside pane. */
1.208 nicm 2310: static void
1.41 nicm 2311: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2312: {
1.372 nicm 2313: tty_cursor(tty, ctx->xoff + cx - ctx->wox, ctx->yoff + cy - ctx->woy);
1.41 nicm 2314: }
2315:
1.42 nicm 2316: /* Move cursor to absolute position. */
1.41 nicm 2317: void
2318: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2319: {
1.42 nicm 2320: struct tty_term *term = tty->term;
2321: u_int thisx, thisy;
2322: int change;
1.354 nicm 2323:
2324: if (tty->flags & TTY_BLOCK)
2325: return;
1.77 nicm 2326:
1.42 nicm 2327: thisx = tty->cx;
2328: thisy = tty->cy;
2329:
1.409 nicm 2330: /*
2331: * If in the automargin space, and want to be there, do not move.
2332: * Otherwise, force the cursor to be in range (and complain).
2333: */
2334: if (cx == thisx && cy == thisy && cx == tty->sx)
2335: return;
2336: if (cx > tty->sx - 1) {
2337: log_debug("%s: x too big %u > %u", __func__, cx, tty->sx - 1);
2338: cx = tty->sx - 1;
2339: }
2340:
1.42 nicm 2341: /* No change. */
2342: if (cx == thisx && cy == thisy)
2343: return;
2344:
1.409 nicm 2345: /* Currently at the very end of the line - use absolute movement. */
1.43 nicm 2346: if (thisx > tty->sx - 1)
2347: goto absolute;
2348:
1.42 nicm 2349: /* Move to home position (0, 0). */
2350: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2351: tty_putcode(tty, TTYC_HOME);
2352: goto out;
2353: }
2354:
2355: /* Zero on the next line. */
1.293 nicm 2356: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2357: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2358: tty_putc(tty, '\r');
1.42 nicm 2359: tty_putc(tty, '\n');
2360: goto out;
2361: }
2362:
1.45 nicm 2363: /* Moving column or row. */
1.42 nicm 2364: if (cy == thisy) {
1.45 nicm 2365: /*
2366: * Moving column only, row staying the same.
2367: */
2368:
1.42 nicm 2369: /* To left edge. */
1.294 nicm 2370: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2371: tty_putc(tty, '\r');
2372: goto out;
2373: }
2374:
2375: /* One to the left. */
2376: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2377: tty_putcode(tty, TTYC_CUB1);
2378: goto out;
2379: }
2380:
2381: /* One to the right. */
2382: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2383: tty_putcode(tty, TTYC_CUF1);
2384: goto out;
2385: }
2386:
2387: /* Calculate difference. */
2388: change = thisx - cx; /* +ve left, -ve right */
2389:
2390: /*
2391: * Use HPA if change is larger than absolute, otherwise move
2392: * the cursor with CUB/CUF.
2393: */
1.87 nicm 2394: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2395: tty_putcode1(tty, TTYC_HPA, cx);
2396: goto out;
1.333 nicm 2397: } else if (change > 0 &&
2398: tty_term_has(term, TTYC_CUB) &&
2399: !tty_use_margin(tty)) {
1.202 nicm 2400: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2401: tty_putcode(tty, TTYC_CUB1);
2402: tty_putcode(tty, TTYC_CUB1);
2403: goto out;
2404: }
1.42 nicm 2405: tty_putcode1(tty, TTYC_CUB, change);
2406: goto out;
1.333 nicm 2407: } else if (change < 0 &&
2408: tty_term_has(term, TTYC_CUF) &&
2409: !tty_use_margin(tty)) {
1.42 nicm 2410: tty_putcode1(tty, TTYC_CUF, -change);
2411: goto out;
2412: }
1.45 nicm 2413: } else if (cx == thisx) {
2414: /*
2415: * Moving row only, column staying the same.
2416: */
1.42 nicm 2417:
2418: /* One above. */
1.77 nicm 2419: if (thisy != tty->rupper &&
1.42 nicm 2420: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2421: tty_putcode(tty, TTYC_CUU1);
2422: goto out;
2423: }
2424:
2425: /* One below. */
1.49 nicm 2426: if (thisy != tty->rlower &&
1.42 nicm 2427: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2428: tty_putcode(tty, TTYC_CUD1);
2429: goto out;
2430: }
2431:
2432: /* Calculate difference. */
2433: change = thisy - cy; /* +ve up, -ve down */
2434:
2435: /*
1.77 nicm 2436: * Try to use VPA if change is larger than absolute or if this
2437: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2438: */
1.87 nicm 2439: if ((u_int) abs(change) > cy ||
1.42 nicm 2440: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2441: (change > 0 && cy - change < tty->rupper)) {
2442: if (tty_term_has(term, TTYC_VPA)) {
2443: tty_putcode1(tty, TTYC_VPA, cy);
2444: goto out;
2445: }
1.42 nicm 2446: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2447: tty_putcode1(tty, TTYC_CUU, change);
2448: goto out;
2449: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2450: tty_putcode1(tty, TTYC_CUD, -change);
2451: goto out;
2452: }
2453: }
2454:
1.43 nicm 2455: absolute:
1.42 nicm 2456: /* Absolute movement. */
2457: tty_putcode2(tty, TTYC_CUP, cy, cx);
2458:
2459: out:
2460: tty->cx = cx;
2461: tty->cy = cy;
1.1 nicm 2462: }
2463:
2464: void
1.176 nicm 2465: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.399 nicm 2466: const struct grid_cell *defaults, struct colour_palette *palette)
1.1 nicm 2467: {
1.63 nicm 2468: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2469: int changed;
1.61 nicm 2470:
1.373 nicm 2471: /* Copy cell and update default colours. */
2472: memcpy(&gc2, gc, sizeof gc2);
1.399 nicm 2473: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2474: if (gc2.fg == 8)
2475: gc2.fg = defaults->fg;
2476: if (gc2.bg == 8)
2477: gc2.bg = defaults->bg;
2478: }
1.373 nicm 2479:
1.228 nicm 2480: /* Ignore cell if it is the same as the last one. */
1.373 nicm 2481: if (gc2.attr == tty->last_cell.attr &&
2482: gc2.fg == tty->last_cell.fg &&
2483: gc2.bg == tty->last_cell.bg &&
2484: gc2.us == tty->last_cell.us)
1.228 nicm 2485: return;
1.63 nicm 2486:
1.18 nicm 2487: /*
2488: * If no setab, try to use the reverse attribute as a best-effort for a
2489: * non-default background. This is a bit of a hack but it doesn't do
2490: * any serious harm and makes a couple of applications happier.
2491: */
2492: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2493: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2494: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2495: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2496: } else {
1.310 nicm 2497: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2498: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2499: }
2500: }
1.1 nicm 2501:
1.85 nicm 2502: /* Fix up the colours if necessary. */
1.373 nicm 2503: tty_check_fg(tty, palette, &gc2);
2504: tty_check_bg(tty, palette, &gc2);
2505: tty_check_us(tty, palette, &gc2);
1.85 nicm 2506:
1.328 nicm 2507: /*
2508: * If any bits are being cleared or the underline colour is now default,
2509: * reset everything.
2510: */
2511: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2512: tty_reset(tty);
2513:
2514: /*
2515: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2516: * may add to (NOT remove) the desired attributes.
1.64 nicm 2517: */
1.85 nicm 2518: tty_colours(tty, &gc2);
1.64 nicm 2519:
1.1 nicm 2520: /* Filter out attribute bits already set. */
1.85 nicm 2521: changed = gc2.attr & ~tc->attr;
2522: tc->attr = gc2.attr;
1.1 nicm 2523:
2524: /* Set the attributes. */
2525: if (changed & GRID_ATTR_BRIGHT)
2526: tty_putcode(tty, TTYC_BOLD);
2527: if (changed & GRID_ATTR_DIM)
2528: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2529: if (changed & GRID_ATTR_ITALICS)
2530: tty_set_italics(tty);
1.308 nicm 2531: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2532: if ((changed & GRID_ATTR_UNDERSCORE) ||
2533: !tty_term_has(tty->term, TTYC_SMULX))
2534: tty_putcode(tty, TTYC_SMUL);
2535: else if (changed & GRID_ATTR_UNDERSCORE_2)
2536: tty_putcode1(tty, TTYC_SMULX, 2);
2537: else if (changed & GRID_ATTR_UNDERSCORE_3)
2538: tty_putcode1(tty, TTYC_SMULX, 3);
2539: else if (changed & GRID_ATTR_UNDERSCORE_4)
2540: tty_putcode1(tty, TTYC_SMULX, 4);
2541: else if (changed & GRID_ATTR_UNDERSCORE_5)
2542: tty_putcode1(tty, TTYC_SMULX, 5);
2543: }
1.1 nicm 2544: if (changed & GRID_ATTR_BLINK)
2545: tty_putcode(tty, TTYC_BLINK);
2546: if (changed & GRID_ATTR_REVERSE) {
2547: if (tty_term_has(tty->term, TTYC_REV))
2548: tty_putcode(tty, TTYC_REV);
2549: else if (tty_term_has(tty->term, TTYC_SMSO))
2550: tty_putcode(tty, TTYC_SMSO);
2551: }
2552: if (changed & GRID_ATTR_HIDDEN)
2553: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2554: if (changed & GRID_ATTR_STRIKETHROUGH)
2555: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2556: if (changed & GRID_ATTR_OVERLINE)
2557: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2558: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2559: tty_putcode(tty, TTYC_SMACS);
1.373 nicm 2560:
2561: memcpy(&tty->last_cell, &gc2, sizeof tty->last_cell);
1.1 nicm 2562: }
2563:
1.207 nicm 2564: static void
1.85 nicm 2565: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2566: {
1.61 nicm 2567: struct grid_cell *tc = &tty->cell;
1.204 nicm 2568: int have_ax;
1.61 nicm 2569:
2570: /* No changes? Nothing is necessary. */
1.328 nicm 2571: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2572: return;
1.1 nicm 2573:
1.61 nicm 2574: /*
2575: * Is either the default colour? This is handled specially because the
2576: * best solution might be to reset both colours to default, in which
2577: * case if only one is default need to fall onward to set the other
2578: * colour.
2579: */
1.310 nicm 2580: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2581: /*
2582: * If don't have AX but do have op, send sgr0 (op can't
2583: * actually be used because it is sometimes the same as sgr0
2584: * and sometimes isn't). This resets both colours to default.
2585: *
2586: * Otherwise, try to set the default colour only as needed.
2587: */
1.174 nicm 2588: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2589: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2590: tty_reset(tty);
2591: else {
1.310 nicm 2592: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2593: if (have_ax)
2594: tty_puts(tty, "\033[39m");
1.204 nicm 2595: else if (tc->fg != 7)
1.61 nicm 2596: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2597: tc->fg = gc->fg;
1.61 nicm 2598: }
1.310 nicm 2599: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2600: if (have_ax)
1.61 nicm 2601: tty_puts(tty, "\033[49m");
1.204 nicm 2602: else if (tc->bg != 0)
1.61 nicm 2603: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2604: tc->bg = gc->bg;
1.61 nicm 2605: }
2606: }
2607: }
1.1 nicm 2608:
1.61 nicm 2609: /* Set the foreground colour. */
1.310 nicm 2610: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2611: tty_colours_fg(tty, gc);
1.1 nicm 2612:
1.61 nicm 2613: /*
2614: * Set the background colour. This must come after the foreground as
2615: * tty_colour_fg() can call tty_reset().
2616: */
1.310 nicm 2617: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2618: tty_colours_bg(tty, gc);
1.328 nicm 2619:
1.399 nicm 2620: /* Set the underscore colour. */
1.328 nicm 2621: if (gc->us != tc->us)
2622: tty_colours_us(tty, gc);
1.1 nicm 2623: }
2624:
1.219 nicm 2625: static void
1.399 nicm 2626: tty_check_fg(struct tty *tty, struct colour_palette *palette,
2627: struct grid_cell *gc)
1.85 nicm 2628: {
1.204 nicm 2629: u_char r, g, b;
2630: u_int colours;
1.223 nicm 2631: int c;
1.85 nicm 2632:
1.288 nicm 2633: /*
2634: * Perform substitution if this pane has a palette. If the bright
2635: * attribute is set, use the bright entry in the palette by changing to
2636: * the aixterm colour.
2637: */
2638: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2639: c = gc->fg;
1.289 nicm 2640: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2641: c += 90;
1.399 nicm 2642: if ((c = colour_palette_get(palette, c)) != -1)
1.288 nicm 2643: gc->fg = c;
2644: }
1.219 nicm 2645:
1.199 nicm 2646: /* Is this a 24-bit colour? */
1.204 nicm 2647: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2648: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2649: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2650: return;
1.341 nicm 2651: colour_split_rgb(gc->fg, &r, &g, &b);
2652: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2653: }
1.224 nicm 2654:
2655: /* How many colours does this terminal have? */
1.359 nicm 2656: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2657: colours = 256;
2658: else
2659: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2660:
1.85 nicm 2661: /* Is this a 256-colour colour? */
1.204 nicm 2662: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2663: /* And not a 256 colour mode? */
1.387 nicm 2664: if (colours < 256) {
1.85 nicm 2665: gc->fg = colour_256to16(gc->fg);
2666: if (gc->fg & 8) {
2667: gc->fg &= 7;
1.175 nicm 2668: if (colours >= 16)
2669: gc->fg += 90;
1.332 nicm 2670: }
1.85 nicm 2671: }
2672: return;
2673: }
2674:
2675: /* Is this an aixterm colour? */
2676: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2677: gc->fg -= 90;
2678: gc->attr |= GRID_ATTR_BRIGHT;
2679: }
2680: }
2681:
1.219 nicm 2682: static void
1.399 nicm 2683: tty_check_bg(struct tty *tty, struct colour_palette *palette,
2684: struct grid_cell *gc)
1.85 nicm 2685: {
1.204 nicm 2686: u_char r, g, b;
2687: u_int colours;
1.223 nicm 2688: int c;
1.85 nicm 2689:
1.288 nicm 2690: /* Perform substitution if this pane has a palette. */
2691: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2692: if ((c = colour_palette_get(palette, gc->bg)) != -1)
1.288 nicm 2693: gc->bg = c;
2694: }
1.219 nicm 2695:
1.199 nicm 2696: /* Is this a 24-bit colour? */
1.204 nicm 2697: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2698: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2699: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2700: return;
1.341 nicm 2701: colour_split_rgb(gc->bg, &r, &g, &b);
2702: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2703: }
1.224 nicm 2704:
2705: /* How many colours does this terminal have? */
1.359 nicm 2706: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2707: colours = 256;
2708: else
2709: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2710:
1.85 nicm 2711: /* Is this a 256-colour colour? */
1.204 nicm 2712: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2713: /*
2714: * And not a 256 colour mode? Translate to 16-colour
2715: * palette. Bold background doesn't exist portably, so just
2716: * discard the bold bit if set.
2717: */
1.387 nicm 2718: if (colours < 256) {
1.85 nicm 2719: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2720: if (gc->bg & 8) {
1.85 nicm 2721: gc->bg &= 7;
1.175 nicm 2722: if (colours >= 16)
1.322 nicm 2723: gc->bg += 90;
1.175 nicm 2724: }
1.85 nicm 2725: }
2726: return;
2727: }
2728:
2729: /* Is this an aixterm colour? */
1.175 nicm 2730: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2731: gc->bg -= 90;
2732: }
2733:
1.207 nicm 2734: static void
1.399 nicm 2735: tty_check_us(__unused struct tty *tty, struct colour_palette *palette,
2736: struct grid_cell *gc)
1.328 nicm 2737: {
2738: int c;
2739:
2740: /* Perform substitution if this pane has a palette. */
2741: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2742: if ((c = colour_palette_get(palette, gc->us)) != -1)
1.328 nicm 2743: gc->us = c;
2744: }
2745:
2746: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2747: if (gc->us & COLOUR_FLAG_256)
2748: gc->us = colour_256toRGB (gc->us);
2749: }
2750:
2751: static void
1.85 nicm 2752: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2753: {
1.61 nicm 2754: struct grid_cell *tc = &tty->cell;
1.79 nicm 2755: char s[32];
1.1 nicm 2756:
1.204 nicm 2757: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2758: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2759: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.385 nicm 2760: goto save;
1.199 nicm 2761: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2762: return;
1.1 nicm 2763: }
2764:
1.79 nicm 2765: /* Is this an aixterm bright colour? */
1.204 nicm 2766: if (gc->fg >= 90 && gc->fg <= 97) {
1.359 nicm 2767: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2768: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2769: tty_puts(tty, s);
2770: } else
2771: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.385 nicm 2772: goto save;
1.79 nicm 2773: }
2774:
1.61 nicm 2775: /* Otherwise set the foreground colour. */
1.204 nicm 2776: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2777:
1.385 nicm 2778: save:
1.61 nicm 2779: /* Save the new values in the terminal current cell. */
1.204 nicm 2780: tc->fg = gc->fg;
1.1 nicm 2781: }
2782:
1.207 nicm 2783: static void
1.73 nicm 2784: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2785: {
1.61 nicm 2786: struct grid_cell *tc = &tty->cell;
1.79 nicm 2787: char s[32];
1.1 nicm 2788:
1.204 nicm 2789: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2790: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2791: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.385 nicm 2792: goto save;
1.199 nicm 2793: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2794: return;
1.79 nicm 2795: }
2796:
2797: /* Is this an aixterm bright colour? */
1.204 nicm 2798: if (gc->bg >= 90 && gc->bg <= 97) {
1.359 nicm 2799: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2800: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2801: tty_puts(tty, s);
2802: } else
2803: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.385 nicm 2804: goto save;
1.1 nicm 2805: }
2806:
1.61 nicm 2807: /* Otherwise set the background colour. */
1.204 nicm 2808: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2809:
1.385 nicm 2810: save:
1.61 nicm 2811: /* Save the new values in the terminal current cell. */
1.204 nicm 2812: tc->bg = gc->bg;
1.328 nicm 2813: }
2814:
2815: static void
2816: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2817: {
2818: struct grid_cell *tc = &tty->cell;
2819: u_int c;
2820: u_char r, g, b;
2821:
1.385 nicm 2822: /* Clear underline colour. */
2823: if (gc->us == 0) {
2824: tty_putcode(tty, TTYC_OL);
2825: goto save;
2826: }
2827:
1.328 nicm 2828: /* Must be an RGB colour - this should never happen. */
2829: if (~gc->us & COLOUR_FLAG_RGB)
2830: return;
2831:
2832: /*
1.385 nicm 2833: * Setulc and setal follows the ncurses(3) one argument "direct colour"
1.328 nicm 2834: * capability format. Calculate the colour value.
2835: */
2836: colour_split_rgb(gc->us, &r, &g, &b);
2837: c = (65536 * r) + (256 * g) + b;
2838:
1.385 nicm 2839: /*
2840: * Write the colour. Only use setal if the RGB flag is set because the
2841: * non-RGB version may be wrong.
2842: */
2843: if (tty_term_has(tty->term, TTYC_SETULC))
2844: tty_putcode1(tty, TTYC_SETULC, c);
2845: else if (tty_term_has(tty->term, TTYC_SETAL) &&
2846: tty_term_has(tty->term, TTYC_RGB))
2847: tty_putcode1(tty, TTYC_SETAL, c);
1.328 nicm 2848:
1.385 nicm 2849: save:
1.328 nicm 2850: /* Save the new values in the terminal current cell. */
2851: tc->us = gc->us;
1.61 nicm 2852: }
2853:
1.207 nicm 2854: static int
1.204 nicm 2855: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2856: {
1.204 nicm 2857: u_char r, g, b;
1.61 nicm 2858:
1.204 nicm 2859: if (colour & COLOUR_FLAG_256) {
1.359 nicm 2860: if (*type == '3' && tty_term_has(tty->term, TTYC_SETAF))
2861: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2862: else if (tty_term_has(tty->term, TTYC_SETAB))
2863: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2864: return (0);
1.204 nicm 2865: }
2866:
2867: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2868: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.359 nicm 2869: if (*type == '3' && tty_term_has(tty->term, TTYC_SETRGBF))
1.286 nicm 2870: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
1.359 nicm 2871: else if (tty_term_has(tty->term, TTYC_SETRGBB))
1.286 nicm 2872: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
1.165 nicm 2873: return (0);
2874: }
1.61 nicm 2875:
1.165 nicm 2876: return (-1);
1.176 nicm 2877: }
2878:
1.207 nicm 2879: static void
1.371 nicm 2880: tty_window_default_style(struct grid_cell *gc, struct window_pane *wp)
2881: {
2882: memcpy(gc, &grid_default_cell, sizeof *gc);
1.399 nicm 2883: gc->fg = wp->palette.fg;
2884: gc->bg = wp->palette.bg;
1.371 nicm 2885: }
2886:
1.373 nicm 2887: void
1.317 nicm 2888: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2889: {
1.400 nicm 2890: struct options *oo = wp->options;
2891: struct format_tree *ft;
1.373 nicm 2892:
2893: memcpy(gc, &grid_default_cell, sizeof *gc);
1.326 nicm 2894:
2895: if (wp->flags & PANE_STYLECHANGED) {
1.400 nicm 2896: log_debug("%%%u: style changed", wp->id);
1.326 nicm 2897: wp->flags &= ~PANE_STYLECHANGED;
1.371 nicm 2898:
1.400 nicm 2899: ft = format_create(NULL, NULL, FORMAT_PANE|wp->id,
2900: FORMAT_NOJOBS);
2901: format_defaults(ft, NULL, NULL, NULL, wp);
1.371 nicm 2902: tty_window_default_style(&wp->cached_active_gc, wp);
1.400 nicm 2903: style_add(&wp->cached_active_gc, oo, "window-active-style", ft);
1.371 nicm 2904: tty_window_default_style(&wp->cached_gc, wp);
1.400 nicm 2905: style_add(&wp->cached_gc, oo, "window-style", ft);
2906: format_free(ft);
1.203 nicm 2907: }
1.176 nicm 2908:
1.204 nicm 2909: if (gc->fg == 8) {
1.370 nicm 2910: if (wp == wp->window->active && wp->cached_active_gc.fg != 8)
2911: gc->fg = wp->cached_active_gc.fg;
1.204 nicm 2912: else
1.370 nicm 2913: gc->fg = wp->cached_gc.fg;
1.176 nicm 2914: }
2915:
1.204 nicm 2916: if (gc->bg == 8) {
1.370 nicm 2917: if (wp == wp->window->active && wp->cached_active_gc.bg != 8)
2918: gc->bg = wp->cached_active_gc.bg;
1.204 nicm 2919: else
1.370 nicm 2920: gc->bg = wp->cached_gc.bg;
1.176 nicm 2921: }
1.210 nicm 2922: }
2923:
2924: static void
1.373 nicm 2925: tty_default_attributes(struct tty *tty, const struct grid_cell *defaults,
1.399 nicm 2926: struct colour_palette *palette, u_int bg)
1.210 nicm 2927: {
1.373 nicm 2928: struct grid_cell gc;
1.210 nicm 2929:
2930: memcpy(&gc, &grid_default_cell, sizeof gc);
2931: gc.bg = bg;
1.373 nicm 2932: tty_attributes(tty, &gc, defaults, palette);
1.1 nicm 2933: }
1.416 nicm 2934:
2935: static void
1.417 nicm 2936: tty_clipboard_query_callback(__unused int fd, __unused short events, void *data)
1.416 nicm 2937: {
2938: struct tty *tty = data;
1.417 nicm 2939: struct client *c = tty->client;
2940:
2941: c->flags &= ~CLIENT_CLIPBOARDBUFFER;
2942: free(c->clipboard_panes);
2943: c->clipboard_panes = NULL;
2944: c->clipboard_npanes = 0;
1.416 nicm 2945:
2946: tty->flags &= ~TTY_OSC52QUERY;
2947: }
2948:
2949: void
1.417 nicm 2950: tty_clipboard_query(struct tty *tty)
1.416 nicm 2951: {
2952: struct timeval tv = { .tv_sec = TTY_QUERY_TIMEOUT };
2953:
2954: if ((~tty->flags & TTY_STARTED) || (tty->flags & TTY_OSC52QUERY))
2955: return;
2956: tty_putcode_ptr2(tty, TTYC_MS, "", "?");
1.417 nicm 2957:
1.416 nicm 2958: tty->flags |= TTY_OSC52QUERY;
1.417 nicm 2959: evtimer_set(&tty->clipboard_timer, tty_clipboard_query_callback, tty);
2960: evtimer_add(&tty->clipboard_timer, &tv);
1.416 nicm 2961: }
![[BACK]](/icons/back.gif){kind=icon}
Return to tty.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / tmux