Annotation of src/usr.bin/tmux/tty.c, Revision 1.343
1.343 ! nicm 1: /* $OpenBSD: tty.c,v 1.342 2020/01/29 15:07:49 nicm Exp $ */
1.1 nicm 2:
3: /*
1.198 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/ioctl.h>
21:
1.106 nicm 22: #include <netinet/in.h>
23:
1.212 nicm 24: #include <curses.h>
1.1 nicm 25: #include <errno.h>
26: #include <fcntl.h>
1.106 nicm 27: #include <resolv.h>
1.42 nicm 28: #include <stdlib.h>
1.1 nicm 29: #include <string.h>
30: #include <termios.h>
31: #include <unistd.h>
32:
33: #include "tmux.h"
34:
1.207 nicm 35: static int tty_log_fd = -1;
1.192 nicm 36:
1.207 nicm 37: static int tty_client_ready(struct client *, struct window_pane *);
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 *);
1.208 nicm 41: static void tty_force_cursor_colour(struct tty *, const char *);
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 *);
1.317 nicm 48: static void tty_check_fg(struct tty *, struct window_pane *,
1.219 nicm 49: struct grid_cell *);
1.317 nicm 50: static void tty_check_bg(struct tty *, struct window_pane *,
1.219 nicm 51: struct grid_cell *);
1.328 nicm 52: static void tty_check_us(struct tty *, struct window_pane *,
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 *);
1.317 nicm 64: static int tty_fake_bce(const struct tty *, struct window_pane *, u_int);
1.207 nicm 65: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
66: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
67: enum tty_code_code, u_int);
68: static void tty_repeat_space(struct tty *, u_int);
1.309 nicm 69: static void tty_draw_pane(struct tty *, const struct tty_ctx *, u_int);
1.207 nicm 70: static void tty_cell(struct tty *, const struct grid_cell *,
1.317 nicm 71: struct window_pane *);
72: static void tty_default_colours(struct grid_cell *, struct window_pane *);
73: static void tty_default_attributes(struct tty *, struct window_pane *,
1.210 nicm 74: u_int);
1.1 nicm 75:
1.212 nicm 76: #define tty_use_margin(tty) \
1.337 nicm 77: ((tty->term->flags|tty->term_flags) & TERM_DECSLRM)
1.90 nicm 78:
1.264 nicm 79: #define tty_pane_full_width(tty, ctx) \
1.132 nicm 80: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
81:
1.266 nicm 82: #define TTY_BLOCK_INTERVAL (100000 /* 100 milliseconds */)
83: #define TTY_BLOCK_START(tty) (1 + ((tty)->sx * (tty)->sy) * 8)
84: #define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
85:
1.192 nicm 86: void
87: tty_create_log(void)
88: {
89: char name[64];
90:
91: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
92:
93: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
94: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
95: fatal("fcntl failed");
96: }
97:
1.185 nicm 98: int
1.136 nicm 99: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 100: {
1.185 nicm 101: if (!isatty(fd))
102: return (-1);
103:
1.30 nicm 104: memset(tty, 0, sizeof *tty);
1.22 nicm 105:
1.9 nicm 106: if (term == NULL || *term == '\0')
1.220 nicm 107: tty->term_name = xstrdup("unknown");
1.1 nicm 108: else
1.220 nicm 109: tty->term_name = xstrdup(term);
1.258 nicm 110:
1.30 nicm 111: tty->fd = fd;
1.136 nicm 112: tty->client = c;
1.30 nicm 113:
1.108 nicm 114: tty->cstyle = 0;
1.107 nicm 115: tty->ccolour = xstrdup("");
1.30 nicm 116:
1.1 nicm 117: tty->flags = 0;
118: tty->term_flags = 0;
1.185 nicm 119:
120: return (0);
1.31 nicm 121: }
122:
1.287 nicm 123: void
1.31 nicm 124: tty_resize(struct tty *tty)
125: {
1.258 nicm 126: struct client *c = tty->client;
127: struct winsize ws;
1.334 nicm 128: u_int sx, sy, xpixel, ypixel;
1.31 nicm 129:
130: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 131: sx = ws.ws_col;
1.334 nicm 132: if (sx == 0) {
1.88 nicm 133: sx = 80;
1.334 nicm 134: xpixel = 0;
135: } else
136: xpixel = ws.ws_xpixel / sx;
1.88 nicm 137: sy = ws.ws_row;
1.334 nicm 138: if (sy == 0) {
1.88 nicm 139: sy = 24;
1.334 nicm 140: ypixel = 0;
141: } else
142: ypixel = ws.ws_ypixel / sy;
1.88 nicm 143: } else {
144: sx = 80;
145: sy = 24;
1.334 nicm 146: xpixel = 0;
147: ypixel = 0;
1.31 nicm 148: }
1.334 nicm 149: log_debug("%s: %s now %ux%u (%ux%u)", __func__, c->name, sx, sy,
150: xpixel, ypixel);
151: tty_set_size(tty, sx, sy, xpixel, ypixel);
1.242 nicm 152: tty_invalidate(tty);
1.114 nicm 153: }
154:
1.287 nicm 155: void
1.334 nicm 156: tty_set_size(struct tty *tty, u_int sx, u_int sy, u_int xpixel, u_int ypixel)
1.212 nicm 157: {
1.114 nicm 158: tty->sx = sx;
159: tty->sy = sy;
1.334 nicm 160: tty->xpixel = xpixel;
161: tty->ypixel = ypixel;
1.1 nicm 162: }
163:
1.244 nicm 164: static void
165: tty_read_callback(__unused int fd, __unused short events, void *data)
166: {
167: struct tty *tty = data;
1.258 nicm 168: struct client *c = tty->client;
1.244 nicm 169: size_t size = EVBUFFER_LENGTH(tty->in);
170: int nread;
171:
172: nread = evbuffer_read(tty->in, tty->fd, -1);
1.295 nicm 173: if (nread == 0 || nread == -1) {
1.290 nicm 174: event_del(&tty->event_in);
1.295 nicm 175: server_client_lost(tty->client);
1.244 nicm 176: return;
1.290 nicm 177: }
1.258 nicm 178: log_debug("%s: read %d bytes (already %zu)", c->name, nread, size);
1.244 nicm 179:
180: while (tty_keys_next(tty))
181: ;
182: }
183:
184: static void
1.266 nicm 185: tty_timer_callback(__unused int fd, __unused short events, void *data)
186: {
187: struct tty *tty = data;
188: struct client *c = tty->client;
189: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
190:
191: log_debug("%s: %zu discarded", c->name, tty->discarded);
192:
1.305 nicm 193: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.266 nicm 194: c->discarded += tty->discarded;
195:
196: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
197: tty->flags &= ~TTY_BLOCK;
198: tty_invalidate(tty);
199: return;
200: }
201: tty->discarded = 0;
202: evtimer_add(&tty->timer, &tv);
203: }
204:
205: static int
206: tty_block_maybe(struct tty *tty)
207: {
208: struct client *c = tty->client;
209: size_t size = EVBUFFER_LENGTH(tty->out);
210: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
211:
212: if (size < TTY_BLOCK_START(tty))
213: return (0);
214:
215: if (tty->flags & TTY_BLOCK)
216: return (1);
217: tty->flags |= TTY_BLOCK;
218:
219: log_debug("%s: can't keep up, %zu discarded", c->name, size);
220:
221: evbuffer_drain(tty->out, size);
222: c->discarded += size;
223:
224: tty->discarded = 0;
225: evtimer_add(&tty->timer, &tv);
226: return (1);
227: }
228:
229: static void
1.244 nicm 230: tty_write_callback(__unused int fd, __unused short events, void *data)
231: {
1.246 nicm 232: struct tty *tty = data;
1.258 nicm 233: struct client *c = tty->client;
1.246 nicm 234: size_t size = EVBUFFER_LENGTH(tty->out);
235: int nwrite;
1.244 nicm 236:
237: nwrite = evbuffer_write(tty->out, tty->fd);
238: if (nwrite == -1)
239: return;
1.258 nicm 240: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 241:
1.270 nicm 242: if (c->redraw > 0) {
243: if ((size_t)nwrite >= c->redraw)
244: c->redraw = 0;
245: else
246: c->redraw -= nwrite;
247: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
248: c->redraw);
249: } else if (tty_block_maybe(tty))
1.266 nicm 250: return;
251:
1.247 nicm 252: if (EVBUFFER_LENGTH(tty->out) != 0)
253: event_add(&tty->event_out, NULL);
1.244 nicm 254: }
255:
1.1 nicm 256: int
1.166 nicm 257: tty_open(struct tty *tty, char **cause)
1.1 nicm 258: {
1.220 nicm 259: tty->term = tty_term_find(tty->term_name, tty->fd, cause);
1.21 nicm 260: if (tty->term == NULL) {
261: tty_close(tty);
262: return (-1);
263: }
264: tty->flags |= TTY_OPENED;
1.1 nicm 265:
1.266 nicm 266: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 267:
268: event_set(&tty->event_in, tty->fd, EV_PERSIST|EV_READ,
269: tty_read_callback, tty);
270: tty->in = evbuffer_new();
1.311 nicm 271: if (tty->in == NULL)
272: fatal("out of memory");
1.1 nicm 273:
1.244 nicm 274: event_set(&tty->event_out, tty->fd, EV_WRITE, tty_write_callback, tty);
275: tty->out = evbuffer_new();
1.311 nicm 276: if (tty->out == NULL)
277: fatal("out of memory");
1.1 nicm 278:
1.266 nicm 279: evtimer_set(&tty->timer, tty_timer_callback, tty);
280:
1.1 nicm 281: tty_start_tty(tty);
282:
1.148 nicm 283: tty_keys_build(tty);
1.1 nicm 284:
285: return (0);
286: }
287:
1.340 nicm 288: static void
289: tty_start_timer_callback(__unused int fd, __unused short events, void *data)
290: {
291: struct tty *tty = data;
292: struct client *c = tty->client;
293:
294: log_debug("%s: start timer fired", c->name);
295: tty->flags |= (TTY_HAVEDA|TTY_HAVEDSR);
296: }
297:
1.244 nicm 298: void
299: tty_start_tty(struct tty *tty)
1.1 nicm 300: {
1.285 nicm 301: struct client *c = tty->client;
302: struct termios tio;
1.340 nicm 303: struct timeval tv = { .tv_sec = 1 };
1.33 nicm 304:
1.244 nicm 305: if (tty->fd != -1 && tcgetattr(tty->fd, &tty->tio) == 0) {
306: setblocking(tty->fd, 0);
307: event_add(&tty->event_in, NULL);
308:
309: memcpy(&tio, &tty->tio, sizeof tio);
310: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
311: tio.c_iflag |= IGNBRK;
312: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
313: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
314: ECHOPRT|ECHOKE|ISIG);
315: tio.c_cc[VMIN] = 1;
316: tio.c_cc[VTIME] = 0;
317: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
318: tcflush(tty->fd, TCIOFLUSH);
319: }
1.1 nicm 320:
1.10 nicm 321: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 322:
1.252 nicm 323: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 324: tty_putcode(tty, TTYC_CLEAR);
325:
326: if (tty_acs_needed(tty)) {
327: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 328: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 329: } else
330: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 331:
332: tty_putcode(tty, TTYC_CNORM);
1.343 ! nicm 333: if (tty_term_has(tty->term, TTYC_KMOUS)) {
! 334: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1003l");
! 335: tty_puts(tty, "\033[?1006l\033[?1005l");
! 336: }
1.121 nicm 337:
1.189 nicm 338: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 339: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 340: tty->flags |= TTY_FOCUS;
341: tty_puts(tty, "\033[?1004h");
342: }
1.342 nicm 343: if (~tty->flags & TTY_HAVEDA)
344: tty_puts(tty, "\033[c");
345: if (~tty->flags & TTY_HAVEDSR)
346: tty_puts(tty, "\033[1337n");
1.339 nicm 347: } else
348: tty->flags |= (TTY_HAVEDA|TTY_HAVEDSR);
1.1 nicm 349:
1.340 nicm 350: evtimer_set(&tty->start_timer, tty_start_timer_callback, tty);
351: evtimer_add(&tty->start_timer, &tv);
352:
1.20 nicm 353: tty->flags |= TTY_STARTED;
1.242 nicm 354: tty_invalidate(tty);
1.107 nicm 355:
1.336 nicm 356: if (*tty->ccolour != '\0')
357: tty_force_cursor_colour(tty, "");
1.177 nicm 358:
359: tty->mouse_drag_flag = 0;
360: tty->mouse_drag_update = NULL;
361: tty->mouse_drag_release = NULL;
1.128 nicm 362: }
363:
364: void
1.1 nicm 365: tty_stop_tty(struct tty *tty)
366: {
367: struct winsize ws;
368:
1.20 nicm 369: if (!(tty->flags & TTY_STARTED))
370: return;
371: tty->flags &= ~TTY_STARTED;
1.340 nicm 372:
373: evtimer_del(&tty->start_timer);
1.20 nicm 374:
1.266 nicm 375: event_del(&tty->timer);
376: tty->flags &= ~TTY_BLOCK;
377:
1.244 nicm 378: event_del(&tty->event_in);
379: event_del(&tty->event_out);
1.66 nicm 380:
1.1 nicm 381: /*
382: * Be flexible about error handling and try not kill the server just
383: * because the fd is invalid. Things like ssh -t can easily leave us
384: * with a dead tty.
385: */
386: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
387: return;
388: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
389: return;
390:
391: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 392: if (tty_acs_needed(tty))
1.90 nicm 393: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 394: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
395: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
396: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 397: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
398: if (tty_term_has(tty->term, TTYC_SE))
399: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 400: else
1.160 nicm 401: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 402: }
1.173 nicm 403: if (tty->mode & MODE_BRACKETPASTE)
404: tty_raw(tty, "\033[?2004l");
1.336 nicm 405: if (*tty->ccolour != '\0')
406: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 407:
408: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
1.343 ! nicm 409: if (tty_term_has(tty->term, TTYC_KMOUS)) {
! 410: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1003l");
! 411: tty_raw(tty, "\033[?1006l\033[?1005l");
! 412: }
1.151 nicm 413:
1.189 nicm 414: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 415: if (tty->flags & TTY_FOCUS) {
416: tty->flags &= ~TTY_FOCUS;
1.172 nicm 417: tty_raw(tty, "\033[?1004l");
1.162 nicm 418: }
419: }
1.10 nicm 420:
1.212 nicm 421: if (tty_use_margin(tty))
422: tty_raw(tty, "\033[?69l"); /* DECLRMM */
1.10 nicm 423: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 424:
425: setblocking(tty->fd, 1);
1.1 nicm 426: }
427:
428: void
1.20 nicm 429: tty_close(struct tty *tty)
1.1 nicm 430: {
1.123 nicm 431: if (event_initialized(&tty->key_timer))
432: evtimer_del(&tty->key_timer);
1.20 nicm 433: tty_stop_tty(tty);
1.1 nicm 434:
1.21 nicm 435: if (tty->flags & TTY_OPENED) {
1.244 nicm 436: evbuffer_free(tty->in);
437: event_del(&tty->event_in);
438: evbuffer_free(tty->out);
439: event_del(&tty->event_out);
1.66 nicm 440:
1.21 nicm 441: tty_term_free(tty->term);
442: tty_keys_free(tty);
443:
444: tty->flags &= ~TTY_OPENED;
445: }
1.1 nicm 446:
1.21 nicm 447: if (tty->fd != -1) {
448: close(tty->fd);
449: tty->fd = -1;
450: }
1.1 nicm 451: }
452:
453: void
1.20 nicm 454: tty_free(struct tty *tty)
1.1 nicm 455: {
1.20 nicm 456: tty_close(tty);
1.1 nicm 457:
1.138 nicm 458: free(tty->ccolour);
1.220 nicm 459: free(tty->term_name);
1.1 nicm 460: }
461:
462: void
1.337 nicm 463: tty_set_flags(struct tty *tty, int flags)
1.212 nicm 464: {
1.337 nicm 465: tty->term_flags |= flags;
1.212 nicm 466:
467: if (tty_use_margin(tty))
468: tty_puts(tty, "\033[?69h"); /* DECLRMM */
469: }
470:
471: void
1.1 nicm 472: tty_raw(struct tty *tty, const char *s)
473: {
1.150 nicm 474: ssize_t n, slen;
475: u_int i;
476:
477: slen = strlen(s);
478: for (i = 0; i < 5; i++) {
479: n = write(tty->fd, s, slen);
480: if (n >= 0) {
481: s += n;
482: slen -= n;
483: if (slen == 0)
484: break;
485: } else if (n == -1 && errno != EAGAIN)
486: break;
487: usleep(100);
488: }
1.1 nicm 489: }
490:
491: void
492: tty_putcode(struct tty *tty, enum tty_code_code code)
493: {
494: tty_puts(tty, tty_term_string(tty->term, code));
495: }
496:
497: void
498: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
499: {
500: if (a < 0)
501: return;
502: tty_puts(tty, tty_term_string1(tty->term, code, a));
503: }
504:
505: void
506: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
507: {
508: if (a < 0 || b < 0)
509: return;
510: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
511: }
512:
513: void
1.286 nicm 514: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
515: {
516: if (a < 0 || b < 0 || c < 0)
517: return;
518: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
519: }
520:
521: void
1.107 nicm 522: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
523: {
524: if (a != NULL)
525: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
526: }
527:
528: void
1.167 nicm 529: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
530: const void *b)
1.106 nicm 531: {
532: if (a != NULL && b != NULL)
533: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
534: }
535:
1.243 nicm 536: static void
537: tty_add(struct tty *tty, const char *buf, size_t len)
538: {
1.258 nicm 539: struct client *c = tty->client;
540:
1.266 nicm 541: if (tty->flags & TTY_BLOCK) {
542: tty->discarded += len;
543: return;
544: }
545:
1.244 nicm 546: evbuffer_add(tty->out, buf, len);
1.270 nicm 547: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 548: c->written += len;
1.243 nicm 549:
550: if (tty_log_fd != -1)
551: write(tty_log_fd, buf, len);
1.244 nicm 552: if (tty->flags & TTY_STARTED)
553: event_add(&tty->event_out, NULL);
1.243 nicm 554: }
555:
1.106 nicm 556: void
1.1 nicm 557: tty_puts(struct tty *tty, const char *s)
558: {
1.243 nicm 559: if (*s != '\0')
560: tty_add(tty, s, strlen(s));
1.1 nicm 561: }
562:
563: void
564: tty_putc(struct tty *tty, u_char ch)
565: {
1.90 nicm 566: const char *acs;
1.1 nicm 567:
1.337 nicm 568: if ((tty->term->flags & TERM_NOXENL) &&
1.325 nicm 569: ch >= 0x20 && ch != 0x7f &&
570: tty->cy == tty->sy - 1 &&
571: tty->cx + 1 >= tty->sx)
572: return;
573:
1.90 nicm 574: if (tty->cell.attr & GRID_ATTR_CHARSET) {
575: acs = tty_acs_get(tty, ch);
1.243 nicm 576: if (acs != NULL)
577: tty_add(tty, acs, strlen(acs));
578: else
579: tty_add(tty, &ch, 1);
580: } else
581: tty_add(tty, &ch, 1);
1.1 nicm 582:
583: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 584: if (tty->cx >= tty->sx) {
1.46 nicm 585: tty->cx = 1;
586: if (tty->cy != tty->rlower)
587: tty->cy++;
1.211 nicm 588:
589: /*
590: * On !xenl terminals, force the cursor position to
591: * where we think it should be after a line wrap - this
592: * means it works on sensible terminals as well.
593: */
1.337 nicm 594: if (tty->term->flags & TERM_NOXENL)
1.211 nicm 595: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 596: } else
597: tty->cx++;
598: }
599: }
600:
601: void
1.147 nicm 602: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 603: {
1.337 nicm 604: if ((tty->term->flags & TERM_NOXENL) &&
1.325 nicm 605: tty->cy == tty->sy - 1 &&
606: tty->cx + len >= tty->sx)
607: len = tty->sx - tty->cx - 1;
608:
1.243 nicm 609: tty_add(tty, buf, len);
1.268 nicm 610: if (tty->cx + width > tty->sx) {
611: tty->cx = (tty->cx + width) - tty->sx;
612: if (tty->cx <= tty->sx)
613: tty->cy++;
614: else
615: tty->cx = tty->cy = UINT_MAX;
616: } else
1.254 nicm 617: tty->cx += width;
1.5 nicm 618: }
619:
1.207 nicm 620: static void
1.180 nicm 621: tty_set_italics(struct tty *tty)
622: {
623: const char *s;
624:
625: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 626: s = options_get_string(global_options, "default-terminal");
1.180 nicm 627: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
628: tty_putcode(tty, TTYC_SITM);
629: return;
630: }
631: }
632: tty_putcode(tty, TTYC_SMSO);
633: }
634:
635: void
1.1 nicm 636: tty_set_title(struct tty *tty, const char *title)
637: {
1.105 nicm 638: if (!tty_term_has(tty->term, TTYC_TSL) ||
639: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 640: return;
641:
1.105 nicm 642: tty_putcode(tty, TTYC_TSL);
1.1 nicm 643: tty_puts(tty, title);
1.105 nicm 644: tty_putcode(tty, TTYC_FSL);
1.1 nicm 645: }
646:
1.208 nicm 647: static void
1.107 nicm 648: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
649: {
650: if (*ccolour == '\0')
651: tty_putcode(tty, TTYC_CR);
652: else
1.160 nicm 653: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 654: free(tty->ccolour);
1.107 nicm 655: tty->ccolour = xstrdup(ccolour);
656: }
657:
658: void
659: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 660: {
661: int changed;
662:
1.197 nicm 663: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 664: tty_force_cursor_colour(tty, s->ccolour);
665:
1.1 nicm 666: if (tty->flags & TTY_NOCURSOR)
667: mode &= ~MODE_CURSOR;
668:
669: changed = mode ^ tty->mode;
1.183 nicm 670: if (changed & MODE_BLINKING) {
671: if (tty_term_has(tty->term, TTYC_CVVIS))
672: tty_putcode(tty, TTYC_CVVIS);
673: else
674: tty_putcode(tty, TTYC_CNORM);
675: changed |= MODE_CURSOR;
676: }
677: if (changed & MODE_CURSOR) {
678: if (mode & MODE_CURSOR)
679: tty_putcode(tty, TTYC_CNORM);
680: else
1.1 nicm 681: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 682: }
1.181 nicm 683: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 684: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 685: if (s->cstyle == 0 &&
1.160 nicm 686: tty_term_has(tty->term, TTYC_SE))
687: tty_putcode(tty, TTYC_SE);
1.108 nicm 688: else
1.160 nicm 689: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 690: }
691: tty->cstyle = s->cstyle;
1.1 nicm 692: }
1.195 nicm 693: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 694: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 695: /*
696: * Enable the SGR (1006) extension unconditionally, as
1.221 nicm 697: * it is safe from misinterpretation.
1.153 nicm 698: */
699: tty_puts(tty, "\033[?1006h");
1.225 nicm 700: if (mode & MODE_MOUSE_ALL)
701: tty_puts(tty, "\033[?1003h");
702: else if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 703: tty_puts(tty, "\033[?1002h");
1.98 nicm 704: else if (mode & MODE_MOUSE_STANDARD)
705: tty_puts(tty, "\033[?1000h");
1.86 nicm 706: } else {
1.225 nicm 707: if (tty->mode & MODE_MOUSE_ALL)
708: tty_puts(tty, "\033[?1003l");
709: else if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 710: tty_puts(tty, "\033[?1002l");
1.98 nicm 711: else if (tty->mode & MODE_MOUSE_STANDARD)
712: tty_puts(tty, "\033[?1000l");
1.153 nicm 713: tty_puts(tty, "\033[?1006l");
1.86 nicm 714: }
1.115 nicm 715: }
716: if (changed & MODE_BRACKETPASTE) {
717: if (mode & MODE_BRACKETPASTE)
718: tty_puts(tty, "\033[?2004h");
719: else
720: tty_puts(tty, "\033[?2004l");
1.1 nicm 721: }
722: tty->mode = mode;
723: }
724:
1.207 nicm 725: static void
1.168 nicm 726: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
727: enum tty_code_code code1, u_int n)
1.1 nicm 728: {
729: if (tty_term_has(tty->term, code))
730: tty_putcode1(tty, code, n);
731: else {
732: while (n-- > 0)
733: tty_putcode(tty, code1);
734: }
735: }
736:
1.207 nicm 737: static void
1.133 nicm 738: tty_repeat_space(struct tty *tty, u_int n)
739: {
1.257 nicm 740: static char s[500];
741:
742: if (*s != ' ')
743: memset(s, ' ', sizeof s);
744:
745: while (n > sizeof s) {
746: tty_putn(tty, s, sizeof s, sizeof s);
747: n -= sizeof s;
748: }
749: if (n != 0)
750: tty_putn(tty, s, n, n);
1.304 nicm 751: }
752:
1.309 nicm 753: /* Is this window bigger than the terminal? */
754: int
755: tty_window_bigger(struct tty *tty)
756: {
757: struct client *c = tty->client;
758: struct window *w = c->session->curw->window;
759:
760: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
761: }
762:
763: /* What offset should this window be drawn at? */
764: int
765: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
766: {
767: *ox = tty->oox;
768: *oy = tty->ooy;
769: *sx = tty->osx;
770: *sy = tty->osy;
771:
772: return (tty->oflag);
773: }
774:
775: /* What offset should this window be drawn at? */
776: static int
777: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
778: {
779: struct client *c = tty->client;
780: struct window *w = c->session->curw->window;
781: struct window_pane *wp = w->active;
782: u_int cx, cy, lines;
783:
784: lines = status_line_size(c);
785:
786: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
787: *ox = 0;
788: *oy = 0;
789: *sx = w->sx;
790: *sy = w->sy;
791:
792: c->pan_window = NULL;
793: return (0);
794: }
795:
796: *sx = tty->sx;
797: *sy = tty->sy - lines;
798:
799: if (c->pan_window == w) {
800: if (*sx >= w->sx)
801: c->pan_ox = 0;
802: else if (c->pan_ox + *sx > w->sx)
803: c->pan_ox = w->sx - *sx;
804: *ox = c->pan_ox;
805: if (*sy >= w->sy)
806: c->pan_oy = 0;
807: else if (c->pan_oy + *sy > w->sy)
808: c->pan_oy = w->sy - *sy;
809: *oy = c->pan_oy;
810: return (1);
811: }
812:
813: if (~wp->screen->mode & MODE_CURSOR) {
814: *ox = 0;
815: *oy = 0;
816: } else {
817: cx = wp->xoff + wp->screen->cx;
818: cy = wp->yoff + wp->screen->cy;
819:
820: if (cx < *sx)
821: *ox = 0;
822: else if (cx > w->sx - *sx)
823: *ox = w->sx - *sx;
824: else
825: *ox = cx - *sx / 2;
826:
827: if (cy < *sy)
828: *oy = 0;
829: else if (cy > w->sy - *sy)
830: *oy = w->sy - *sy;
831: else
832: *oy = cy - *sy / 2;
833: }
834:
835: c->pan_window = NULL;
836: return (1);
837: }
838:
839: /* Update stored offsets for a window and redraw if necessary. */
840: void
841: tty_update_window_offset(struct window *w)
842: {
843: struct client *c;
844:
845: TAILQ_FOREACH(c, &clients, entry) {
846: if (c->session != NULL && c->session->curw->window == w)
847: tty_update_client_offset(c);
848: }
849: }
850:
851: /* Update stored offsets for a client and redraw if necessary. */
852: void
853: tty_update_client_offset(struct client *c)
1.304 nicm 854: {
1.309 nicm 855: u_int ox, oy, sx, sy;
1.314 nicm 856:
857: if (~c->flags & CLIENT_TERMINAL)
858: return;
1.304 nicm 859:
1.309 nicm 860: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
861: if (ox == c->tty.oox &&
862: oy == c->tty.ooy &&
863: sx == c->tty.osx &&
864: sy == c->tty.osy)
865: return;
866:
867: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
868: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
869: ox, oy, sx, sy);
870:
871: c->tty.oox = ox;
872: c->tty.ooy = oy;
873: c->tty.osx = sx;
874: c->tty.osy = sy;
875:
876: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 877: }
878:
1.1 nicm 879: /*
1.119 nicm 880: * Is the region large enough to be worth redrawing once later rather than
881: * probably several times now? Currently yes if it is more than 50% of the
882: * pane.
883: */
1.207 nicm 884: static int
1.194 nicm 885: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 886: {
887: struct window_pane *wp = ctx->wp;
888:
889: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
890: }
891:
892: /*
1.176 nicm 893: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
894: * emulated.
895: */
1.207 nicm 896: static int
1.317 nicm 897: tty_fake_bce(const struct tty *tty, struct window_pane *wp, u_int bg)
1.176 nicm 898: {
899: struct grid_cell gc;
900:
1.210 nicm 901: if (tty_term_flag(tty->term, TTYC_BCE))
902: return (0);
903:
1.176 nicm 904: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 905: if (wp != NULL)
906: tty_default_colours(&gc, wp);
1.176 nicm 907:
1.310 nicm 908: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc.bg))
1.210 nicm 909: return (1);
910: return (0);
1.176 nicm 911: }
912:
913: /*
1.1 nicm 914: * Redraw scroll region using data from screen (already updated). Used when
915: * CSR not supported, or window is a pane that doesn't take up the full
916: * width of the terminal.
917: */
1.207 nicm 918: static void
1.24 nicm 919: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 920: {
1.14 nicm 921: struct window_pane *wp = ctx->wp;
922: struct screen *s = wp->screen;
1.204 nicm 923: u_int i;
1.1 nicm 924:
925: /*
1.119 nicm 926: * If region is large, schedule a window redraw. In most cases this is
927: * likely to be followed by some more scrolling.
1.1 nicm 928: */
1.119 nicm 929: if (tty_large_region(tty, ctx)) {
1.1 nicm 930: wp->flags |= PANE_REDRAW;
931: return;
932: }
933:
1.14 nicm 934: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
935: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.309 nicm 936: tty_draw_pane(tty, ctx, i);
1.1 nicm 937: } else {
1.14 nicm 938: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.309 nicm 939: tty_draw_pane(tty, ctx, i);
1.1 nicm 940: }
941: }
942:
1.309 nicm 943: /* Is this position visible in the pane? */
944: static int
945: tty_is_visible(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
946: u_int nx, u_int ny)
947: {
948: u_int xoff = ctx->xoff + px, yoff = ctx->yoff + py, lines;
949:
950: if (!ctx->bigger)
951: return (1);
952:
953: if (status_at_line(tty->client) == 0)
954: lines = status_line_size(tty->client);
955: else
956: lines = 0;
957:
958: if (xoff + nx <= ctx->ox || xoff >= ctx->ox + ctx->sx ||
1.320 nicm 959: yoff + ny <= ctx->oy || yoff >= lines + ctx->oy + ctx->sy)
1.309 nicm 960: return (0);
961: return (1);
962: }
963:
964: /* Clamp line position to visible part of pane. */
965: static int
966: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
967: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
968: {
969: struct window_pane *wp = ctx->wp;
970: u_int xoff = wp->xoff + px;
971:
972: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
973: return (0);
974: *ry = ctx->yoff + py - ctx->oy;
975:
976: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
977: /* All visible. */
978: *i = 0;
979: *x = ctx->xoff + px - ctx->ox;
980: *rx = nx;
981: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
982: /* Both left and right not visible. */
983: *i = ctx->ox;
984: *x = 0;
985: *rx = ctx->sx;
986: } else if (xoff < ctx->ox) {
987: /* Left not visible. */
988: *i = ctx->ox - (ctx->xoff + px);
989: *x = 0;
990: *rx = nx - *i;
991: } else {
992: /* Right not visible. */
993: *i = 0;
994: *x = (ctx->xoff + px) - ctx->ox;
995: *rx = ctx->sx - *x;
996: }
997: if (*rx > nx)
998: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
999:
1000: return (1);
1001: }
1002:
1003: /* Clear a line. */
1.271 nicm 1004: static void
1.317 nicm 1005: tty_clear_line(struct tty *tty, struct window_pane *wp, u_int py, u_int px,
1006: u_int nx, u_int bg)
1.271 nicm 1007: {
1.309 nicm 1008: struct client *c = tty->client;
1009:
1010: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1011:
1012: /* Nothing to clear. */
1013: if (nx == 0)
1014: return;
1015:
1016: /* If genuine BCE is available, can try escape sequences. */
1017: if (!tty_fake_bce(tty, wp, bg)) {
1018: /* Off the end of the line, use EL if available. */
1019: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1020: tty_cursor(tty, px, py);
1021: tty_putcode(tty, TTYC_EL);
1022: return;
1023: }
1024:
1025: /* At the start of the line. Use EL1. */
1026: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1027: tty_cursor(tty, px + nx - 1, py);
1028: tty_putcode(tty, TTYC_EL1);
1029: return;
1030: }
1031:
1032: /* Section of line. Use ECH if possible. */
1033: if (tty_term_has(tty->term, TTYC_ECH)) {
1034: tty_cursor(tty, px, py);
1035: tty_putcode1(tty, TTYC_ECH, nx);
1036: return;
1037: }
1038: }
1039:
1040: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 1041: tty_cursor(tty, px, py);
1.271 nicm 1042: tty_repeat_space(tty, nx);
1043: }
1044:
1.309 nicm 1045: /* Clear a line, adjusting to visible part of pane. */
1046: static void
1047: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1048: u_int px, u_int nx, u_int bg)
1049: {
1050: struct client *c = tty->client;
1051: u_int i, x, rx, ry;
1052:
1053: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1054:
1055: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1056: tty_clear_line(tty, ctx->wp, ry, x, rx, bg);
1057: }
1058:
1059: /* Clamp area position to visible part of pane. */
1060: static int
1061: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1062: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1063: u_int *ry)
1064: {
1065: struct window_pane *wp = ctx->wp;
1066: u_int xoff = wp->xoff + px, yoff = wp->yoff + py;
1067:
1068: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1069: return (0);
1070:
1071: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
1072: /* All visible. */
1073: *i = 0;
1074: *x = ctx->xoff + px - ctx->ox;
1075: *rx = nx;
1076: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
1077: /* Both left and right not visible. */
1078: *i = ctx->ox;
1079: *x = 0;
1080: *rx = ctx->sx;
1081: } else if (xoff < ctx->ox) {
1082: /* Left not visible. */
1083: *i = ctx->ox - (ctx->xoff + px);
1084: *x = 0;
1085: *rx = nx - *i;
1086: } else {
1087: /* Right not visible. */
1088: *i = 0;
1089: *x = (ctx->xoff + px) - ctx->ox;
1090: *rx = ctx->sx - *x;
1091: }
1092: if (*rx > nx)
1093: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1094:
1095: if (yoff >= ctx->oy && yoff + ny <= ctx->oy + ctx->sy) {
1096: /* All visible. */
1097: *j = 0;
1098: *y = ctx->yoff + py - ctx->oy;
1099: *ry = ny;
1100: } else if (yoff < ctx->oy && yoff + ny > ctx->oy + ctx->sy) {
1.327 nicm 1101: /* Both top and bottom not visible. */
1.309 nicm 1102: *j = ctx->oy;
1103: *y = 0;
1104: *ry = ctx->sy;
1105: } else if (yoff < ctx->oy) {
1.327 nicm 1106: /* Top not visible. */
1.309 nicm 1107: *j = ctx->oy - (ctx->yoff + py);
1108: *y = 0;
1109: *ry = ny - *j;
1110: } else {
1.327 nicm 1111: /* Bottom not visible. */
1.309 nicm 1112: *j = 0;
1113: *y = (ctx->yoff + py) - ctx->oy;
1114: *ry = ctx->sy - *y;
1115: }
1116: if (*ry > ny)
1117: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1118:
1119: return (1);
1120: }
1121:
1122: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1123: static void
1.317 nicm 1124: tty_clear_area(struct tty *tty, struct window_pane *wp, u_int py, u_int ny,
1125: u_int px, u_int nx, u_int bg)
1.271 nicm 1126: {
1.309 nicm 1127: struct client *c = tty->client;
1128: u_int yy;
1129: char tmp[64];
1.271 nicm 1130:
1.309 nicm 1131: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1132:
1133: /* Nothing to clear. */
1134: if (nx == 0 || ny == 0)
1135: return;
1136:
1137: /* If genuine BCE is available, can try escape sequences. */
1138: if (!tty_fake_bce(tty, wp, bg)) {
1.276 nicm 1139: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1140: if (px == 0 &&
1141: px + nx >= tty->sx &&
1142: py + ny >= tty->sy &&
1143: tty_term_has(tty->term, TTYC_ED)) {
1144: tty_cursor(tty, 0, py);
1145: tty_putcode(tty, TTYC_ED);
1.274 nicm 1146: return;
1147: }
1148:
1149: /*
1.276 nicm 1150: * On VT420 compatible terminals we can use DECFRA if the
1151: * background colour isn't default (because it doesn't work
1152: * after SGR 0).
1.274 nicm 1153: */
1.337 nicm 1154: if (((tty->term->flags|tty->term_flags) & TERM_DECFRA) &&
1155: !COLOUR_DEFAULT(bg)) {
1.274 nicm 1156: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1157: py + 1, px + 1, py + ny, px + nx);
1158: tty_puts(tty, tmp);
1.276 nicm 1159: return;
1160: }
1161:
1.280 nicm 1162: /* Full lines can be scrolled away to clear them. */
1163: if (px == 0 &&
1.281 nicm 1164: px + nx >= tty->sx &&
1.280 nicm 1165: ny > 2 &&
1166: tty_term_has(tty->term, TTYC_CSR) &&
1167: tty_term_has(tty->term, TTYC_INDN)) {
1168: tty_region(tty, py, py + ny - 1);
1169: tty_margin_off(tty);
1.284 nicm 1170: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1171: return;
1172: }
1173:
1.276 nicm 1174: /*
1175: * If margins are supported, can just scroll the area off to
1176: * clear it.
1177: */
1.277 nicm 1178: if (nx > 2 &&
1179: ny > 2 &&
1.280 nicm 1180: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1181: tty_use_margin(tty) &&
1182: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1183: tty_region(tty, py, py + ny - 1);
1184: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1185: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1186: return;
1187: }
1188: }
1189:
1190: /* Couldn't use an escape sequence, loop over the lines. */
1191: for (yy = py; yy < py + ny; yy++)
1192: tty_clear_line(tty, wp, yy, px, nx, bg);
1193: }
1194:
1.309 nicm 1195: /* Clear an area in a pane. */
1196: static void
1197: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1198: u_int ny, u_int px, u_int nx, u_int bg)
1199: {
1200: u_int i, j, x, y, rx, ry;
1201:
1202: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1203: tty_clear_area(tty, ctx->wp, y, ry, x, rx, bg);
1204: }
1205:
1206: static void
1207: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1208: {
1.309 nicm 1209: struct window_pane *wp = ctx->wp;
1210: struct screen *s = wp->screen;
1211: u_int nx = screen_size_x(s), i, x, rx, ry;
1212:
1213: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1214:
1215: if (!ctx->bigger) {
1216: tty_draw_line(tty, wp, s, 0, py, nx, ctx->xoff, ctx->yoff + py);
1217: return;
1218: }
1219: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry))
1220: tty_draw_line(tty, wp, s, i, py, rx, x, ry);
1.176 nicm 1221: }
1222:
1.298 nicm 1223: static const struct grid_cell *
1224: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1225: {
1226: static struct grid_cell new;
1227: u_int n;
1228:
1229: /* Characters less than 0x7f are always fine, no matter what. */
1230: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1231: return (gc);
1232:
1233: /* UTF-8 terminal and a UTF-8 character - fine. */
1234: if (tty->flags & TTY_UTF8)
1235: return (gc);
1236:
1237: /* Replace by the right number of underscores. */
1238: n = gc->data.width;
1239: if (n > UTF8_SIZE)
1240: n = UTF8_SIZE;
1241: memcpy(&new, gc, sizeof new);
1242: new.data.size = n;
1243: memset(new.data.data, '_', n);
1244: return (&new);
1245: }
1246:
1.176 nicm 1247: void
1.317 nicm 1248: tty_draw_line(struct tty *tty, struct window_pane *wp, struct screen *s,
1249: u_int px, u_int py, u_int nx, u_int atx, u_int aty)
1.1 nicm 1250: {
1.297 nicm 1251: struct grid *gd = s->grid;
1.250 nicm 1252: struct grid_cell gc, last;
1.298 nicm 1253: const struct grid_cell *gcp;
1.309 nicm 1254: struct grid_line *gl;
1255: u_int i, j, ux, sx, width;
1.329 nicm 1256: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1257: char buf[512];
1.315 nicm 1258: size_t len;
1.303 nicm 1259: u_int cellsize;
1.1 nicm 1260:
1.309 nicm 1261: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1262: px, py, nx, atx, aty);
1263:
1264: /*
1265: * py is the line in the screen to draw.
1266: * px is the start x and nx is the width to draw.
1267: * atx,aty is the line on the terminal to draw it.
1268: */
1269:
1.259 nicm 1270: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1271: tty->flags |= TTY_NOCURSOR;
1272: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1273:
1.214 nicm 1274: tty_region_off(tty);
1275: tty_margin_off(tty);
1276:
1.273 nicm 1277: /*
1278: * Clamp the width to cellsize - note this is not cellused, because
1279: * there may be empty background cells after it (from BCE).
1280: */
1.1 nicm 1281: sx = screen_size_x(s);
1.309 nicm 1282: if (nx > sx)
1283: nx = sx;
1.303 nicm 1284: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1285: if (sx > cellsize)
1286: sx = cellsize;
1.1 nicm 1287: if (sx > tty->sx)
1288: sx = tty->sx;
1.309 nicm 1289: if (sx > nx)
1290: sx = nx;
1.292 nicm 1291: ux = 0;
1.1 nicm 1292:
1.309 nicm 1293: if (py == 0)
1294: gl = NULL;
1295: else
1296: gl = grid_get_line(gd, gd->hsize + py - 1);
1.268 nicm 1297: if (wp == NULL ||
1.309 nicm 1298: gl == NULL ||
1299: (~gl->flags & GRID_LINE_WRAPPED) ||
1300: atx != 0 ||
1.268 nicm 1301: tty->cx < tty->sx ||
1.309 nicm 1302: nx < tty->sx) {
1303: if (nx < tty->sx &&
1304: atx == 0 &&
1305: px + sx != nx &&
1.268 nicm 1306: tty_term_has(tty->term, TTYC_EL1) &&
1307: !tty_fake_bce(tty, wp, 8)) {
1308: tty_default_attributes(tty, wp, 8);
1.309 nicm 1309: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1310: tty_putcode(tty, TTYC_EL1);
1311: cleared = 1;
1312: }
1.329 nicm 1313: } else {
1.309 nicm 1314: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1315: wrapped = 1;
1316: }
1.250 nicm 1317:
1318: memcpy(&last, &grid_default_cell, sizeof last);
1319: len = 0;
1320: width = 0;
1.46 nicm 1321:
1.1 nicm 1322: for (i = 0; i < sx; i++) {
1.309 nicm 1323: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1324: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1325: if (len != 0 &&
1.298 nicm 1326: ((gcp->attr & GRID_ATTR_CHARSET) ||
1327: gcp->flags != last.flags ||
1328: gcp->attr != last.attr ||
1329: gcp->fg != last.fg ||
1330: gcp->bg != last.bg ||
1.328 nicm 1331: gcp->us != last.us ||
1.315 nicm 1332: ux + width + gcp->data.width > nx ||
1.298 nicm 1333: (sizeof buf) - len < gcp->data.size)) {
1.316 nicm 1334: tty_attributes(tty, &last, wp);
1.315 nicm 1335: if (last.flags & GRID_FLAG_CLEARED) {
1336: log_debug("%s: %zu cleared", __func__, len);
1337: tty_clear_line(tty, wp, aty, atx + ux, width,
1338: last.bg);
1339: } else {
1.329 nicm 1340: if (!wrapped || atx != 0 || ux != 0)
1341: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1342: tty_putn(tty, buf, len, width);
1343: }
1.292 nicm 1344: ux += width;
1.250 nicm 1345:
1346: len = 0;
1347: width = 0;
1.329 nicm 1348: wrapped = 0;
1.250 nicm 1349: }
1350:
1.298 nicm 1351: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1352: screen_select_cell(s, &last, gcp);
1.250 nicm 1353: else
1.299 nicm 1354: memcpy(&last, gcp, sizeof last);
1.309 nicm 1355: if (ux + gcp->data.width > nx) {
1.299 nicm 1356: tty_attributes(tty, &last, wp);
1.315 nicm 1357: tty_cursor(tty, atx + ux, aty);
1.298 nicm 1358: for (j = 0; j < gcp->data.width; j++) {
1.309 nicm 1359: if (ux + j > nx)
1.297 nicm 1360: break;
1361: tty_putc(tty, ' ');
1362: ux++;
1363: }
1.299 nicm 1364: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1365: tty_attributes(tty, &last, wp);
1.315 nicm 1366: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1367: for (j = 0; j < gcp->data.size; j++)
1368: tty_putc(tty, gcp->data.data[j]);
1369: ux += gc.data.width;
1370: } else {
1.298 nicm 1371: memcpy(buf + len, gcp->data.data, gcp->data.size);
1372: len += gcp->data.size;
1373: width += gcp->data.width;
1.250 nicm 1374: }
1375: }
1.315 nicm 1376: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.316 nicm 1377: tty_attributes(tty, &last, wp);
1.315 nicm 1378: if (last.flags & GRID_FLAG_CLEARED) {
1379: log_debug("%s: %zu cleared (end)", __func__, len);
1380: tty_clear_line(tty, wp, aty, atx + ux, width, last.bg);
1381: } else {
1.329 nicm 1382: if (!wrapped || atx != 0 || ux != 0)
1383: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1384: tty_putn(tty, buf, len, width);
1385: }
1.315 nicm 1386: ux += width;
1.1 nicm 1387: }
1388:
1.309 nicm 1389: if (!cleared && ux < nx) {
1.315 nicm 1390: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1391: nx - ux, len);
1.210 nicm 1392: tty_default_attributes(tty, wp, 8);
1.309 nicm 1393: tty_clear_line(tty, wp, aty, atx + ux, nx - ux, 8);
1.35 nicm 1394: }
1.1 nicm 1395:
1.181 nicm 1396: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1397: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1398: }
1399:
1.201 nicm 1400: static int
1.182 nicm 1401: tty_client_ready(struct client *c, struct window_pane *wp)
1402: {
1403: if (c->session == NULL || c->tty.term == NULL)
1404: return (0);
1.305 nicm 1405: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1406: return (0);
1407: if (c->tty.flags & TTY_FREEZE)
1408: return (0);
1409: if (c->session->curw->window != wp->window)
1410: return (0);
1.309 nicm 1411: if (wp->layout_cell == NULL)
1412: return (0);
1.182 nicm 1413: return (1);
1414: }
1415:
1.15 nicm 1416: void
1.182 nicm 1417: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1418: struct tty_ctx *ctx)
1.15 nicm 1419: {
1420: struct window_pane *wp = ctx->wp;
1421: struct client *c;
1422:
1423: if (wp == NULL)
1424: return;
1.309 nicm 1425: if (wp->flags & (PANE_REDRAW|PANE_DROP))
1.15 nicm 1426: return;
1427:
1.178 nicm 1428: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 1429: if (!tty_client_ready(c, wp))
1.15 nicm 1430: continue;
1431:
1.309 nicm 1432: ctx->bigger = tty_window_offset(&c->tty, &ctx->ox, &ctx->oy,
1433: &ctx->sx, &ctx->sy);
1434:
1.139 nicm 1435: ctx->xoff = wp->xoff;
1436: ctx->yoff = wp->yoff;
1.309 nicm 1437:
1.139 nicm 1438: if (status_at_line(c) == 0)
1.309 nicm 1439: ctx->yoff += status_line_size(c);
1.113 nicm 1440:
1.139 nicm 1441: cmdfn(&c->tty, ctx);
1.1 nicm 1442: }
1443: }
1444:
1445: void
1.24 nicm 1446: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1447: {
1.77 nicm 1448: struct window_pane *wp = ctx->wp;
1.1 nicm 1449:
1.309 nicm 1450: if (ctx->bigger ||
1451: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1452: tty_fake_bce(tty, wp, ctx->bg) ||
1453: (!tty_term_has(tty->term, TTYC_ICH) &&
1454: !tty_term_has(tty->term, TTYC_ICH1))) {
1.309 nicm 1455: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1456: return;
1457: }
1458:
1.210 nicm 1459: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1460:
1.77 nicm 1461: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1462:
1.206 nicm 1463: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1464: }
1465:
1466: void
1.24 nicm 1467: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1468: {
1.77 nicm 1469: struct window_pane *wp = ctx->wp;
1.1 nicm 1470:
1.309 nicm 1471: if (ctx->bigger ||
1472: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1473: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 1474: (!tty_term_has(tty->term, TTYC_DCH) &&
1475: !tty_term_has(tty->term, TTYC_DCH1))) {
1.309 nicm 1476: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1477: return;
1478: }
1479:
1.210 nicm 1480: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1481:
1.77 nicm 1482: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1483:
1.206 nicm 1484: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1485: }
1486:
1487: void
1488: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1489: {
1.309 nicm 1490: if (ctx->bigger) {
1491: tty_draw_pane(tty, ctx, ctx->ocy);
1492: return;
1493: }
1494:
1.275 nicm 1495: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.146 nicm 1496:
1497: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1498:
1.210 nicm 1499: if (tty_term_has(tty->term, TTYC_ECH) &&
1.262 nicm 1500: !tty_fake_bce(tty, ctx->wp, 8))
1.146 nicm 1501: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1502: else
1503: tty_repeat_space(tty, ctx->num);
1.1 nicm 1504: }
1505:
1506: void
1.24 nicm 1507: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1508: {
1.309 nicm 1509: if (ctx->bigger ||
1510: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1511: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 1512: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1513: !tty_term_has(tty->term, TTYC_IL1) ||
1514: ctx->wp->sx == 1 ||
1515: ctx->wp->sy == 1) {
1.14 nicm 1516: tty_redraw_region(tty, ctx);
1.1 nicm 1517: return;
1518: }
1519:
1.210 nicm 1520: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1521:
1.77 nicm 1522: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1523: tty_margin_off(tty);
1.77 nicm 1524: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1525:
1.12 nicm 1526: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1527: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1528: }
1529:
1530: void
1.24 nicm 1531: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1532: {
1.309 nicm 1533: if (ctx->bigger ||
1534: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1535: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 1536: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1537: !tty_term_has(tty->term, TTYC_DL1) ||
1538: ctx->wp->sx == 1 ||
1539: ctx->wp->sy == 1) {
1.14 nicm 1540: tty_redraw_region(tty, ctx);
1.1 nicm 1541: return;
1542: }
1543:
1.210 nicm 1544: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1545:
1.77 nicm 1546: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1547: tty_margin_off(tty);
1.77 nicm 1548: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1549:
1.12 nicm 1550: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1551: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1552: }
1553:
1554: void
1.24 nicm 1555: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1556: {
1.77 nicm 1557: struct window_pane *wp = ctx->wp;
1.309 nicm 1558: u_int nx;
1.1 nicm 1559:
1.210 nicm 1560: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1561:
1.271 nicm 1562: nx = screen_size_x(wp->screen);
1.309 nicm 1563: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, nx, ctx->bg);
1.1 nicm 1564: }
1565:
1566: void
1.24 nicm 1567: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1568: {
1.77 nicm 1569: struct window_pane *wp = ctx->wp;
1.309 nicm 1570: u_int nx;
1.1 nicm 1571:
1.210 nicm 1572: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1573:
1.271 nicm 1574: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1575: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1576: }
1577:
1578: void
1.24 nicm 1579: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1580: {
1.210 nicm 1581: struct window_pane *wp = ctx->wp;
1582:
1583: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1584:
1.309 nicm 1585: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1586: }
1587:
1588: void
1.24 nicm 1589: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1590: {
1.278 nicm 1591: struct window_pane *wp = ctx->wp;
1592:
1.56 nicm 1593: if (ctx->ocy != ctx->orupper)
1594: return;
1595:
1.309 nicm 1596: if (ctx->bigger ||
1.331 nicm 1597: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.278 nicm 1598: tty_fake_bce(tty, wp, 8) ||
1.70 nicm 1599: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1600: (!tty_term_has(tty->term, TTYC_RI) &&
1601: !tty_term_has(tty->term, TTYC_RIN)) ||
1.307 nicm 1602: ctx->wp->sx == 1 ||
1603: ctx->wp->sy == 1) {
1.14 nicm 1604: tty_redraw_region(tty, ctx);
1.1 nicm 1605: return;
1606: }
1607:
1.278 nicm 1608: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1609:
1.56 nicm 1610: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1611: tty_margin_pane(tty, ctx);
1.56 nicm 1612: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1613:
1.331 nicm 1614: if (tty_term_has(tty->term, TTYC_RI))
1615: tty_putcode(tty, TTYC_RI);
1616: else
1617: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1618: }
1619:
1620: void
1.24 nicm 1621: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1622: {
1.77 nicm 1623: struct window_pane *wp = ctx->wp;
1.1 nicm 1624:
1.56 nicm 1625: if (ctx->ocy != ctx->orlower)
1626: return;
1627:
1.309 nicm 1628: if (ctx->bigger ||
1629: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1630: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1631: !tty_term_has(tty->term, TTYC_CSR) ||
1632: wp->sx == 1 ||
1633: wp->sy == 1) {
1.236 nicm 1634: tty_redraw_region(tty, ctx);
1.1 nicm 1635: return;
1636: }
1.52 nicm 1637:
1.278 nicm 1638: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1639:
1.56 nicm 1640: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1641: tty_margin_pane(tty, ctx);
1642:
1643: /*
1.301 nicm 1644: * If we want to wrap a pane while using margins, the cursor needs to
1645: * be exactly on the right of the region. If the cursor is entirely off
1646: * the edge - move it back to the right. Some terminals are funny about
1647: * this and insert extra spaces, so only use the right if margins are
1648: * enabled.
1.212 nicm 1649: */
1.301 nicm 1650: if (ctx->xoff + ctx->ocx > tty->rright) {
1651: if (!tty_use_margin(tty))
1652: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1653: else
1654: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1655: } else
1.212 nicm 1656: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1657:
1.56 nicm 1658: tty_putc(tty, '\n');
1.240 nicm 1659: }
1660:
1661: void
1662: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1663: {
1664: struct window_pane *wp = ctx->wp;
1.284 nicm 1665: u_int i;
1.240 nicm 1666:
1.309 nicm 1667: if (ctx->bigger ||
1668: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1669: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1670: !tty_term_has(tty->term, TTYC_CSR) ||
1671: wp->sx == 1 ||
1672: wp->sy == 1) {
1.240 nicm 1673: tty_redraw_region(tty, ctx);
1674: return;
1675: }
1676:
1.278 nicm 1677: tty_default_attributes(tty, wp, ctx->bg);
1.240 nicm 1678:
1679: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1680: tty_margin_pane(tty, ctx);
1681:
1.284 nicm 1682: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1683: if (!tty_use_margin(tty))
1684: tty_cursor(tty, 0, tty->rlower);
1685: else
1686: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1687: for (i = 0; i < ctx->num; i++)
1.240 nicm 1688: tty_putc(tty, '\n');
1.301 nicm 1689: } else {
1690: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1691: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1692: }
1693: }
1694:
1695: void
1696: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1697: {
1698: struct window_pane *wp = ctx->wp;
1699: u_int i;
1700:
1701: if (ctx->bigger ||
1702: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1703: tty_fake_bce(tty, wp, 8) ||
1704: !tty_term_has(tty->term, TTYC_CSR) ||
1705: (!tty_term_has(tty->term, TTYC_RI) &&
1706: !tty_term_has(tty->term, TTYC_RIN)) ||
1707: wp->sx == 1 ||
1708: wp->sy == 1) {
1709: tty_redraw_region(tty, ctx);
1710: return;
1711: }
1712:
1713: tty_default_attributes(tty, wp, ctx->bg);
1714:
1715: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1716: tty_margin_pane(tty, ctx);
1717: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1718:
1719: if (tty_term_has(tty->term, TTYC_RIN))
1720: tty_putcode1(tty, TTYC_RIN, ctx->num);
1721: else {
1722: for (i = 0; i < ctx->num; i++)
1723: tty_putcode(tty, TTYC_RI);
1.301 nicm 1724: }
1.1 nicm 1725: }
1726:
1727: void
1.24 nicm 1728: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1729: {
1.77 nicm 1730: struct window_pane *wp = ctx->wp;
1.271 nicm 1731: u_int px, py, nx, ny;
1.1 nicm 1732:
1.210 nicm 1733: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1734:
1.271 nicm 1735: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1736: tty_margin_off(tty);
1.39 nicm 1737:
1.309 nicm 1738: px = 0;
1.271 nicm 1739: nx = screen_size_x(wp->screen);
1.309 nicm 1740: py = ctx->ocy + 1;
1.271 nicm 1741: ny = screen_size_y(wp->screen) - ctx->ocy - 1;
1742:
1.309 nicm 1743: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1744:
1.309 nicm 1745: px = ctx->ocx;
1.271 nicm 1746: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1747: py = ctx->ocy;
1.271 nicm 1748:
1.309 nicm 1749: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1750: }
1751:
1752: void
1.24 nicm 1753: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1754: {
1.77 nicm 1755: struct window_pane *wp = ctx->wp;
1.271 nicm 1756: u_int px, py, nx, ny;
1.1 nicm 1757:
1.227 nicm 1758: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1759:
1.271 nicm 1760: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1761: tty_margin_off(tty);
1.39 nicm 1762:
1.309 nicm 1763: px = 0;
1.271 nicm 1764: nx = screen_size_x(wp->screen);
1.309 nicm 1765: py = 0;
1.319 nicm 1766: ny = ctx->ocy;
1.271 nicm 1767:
1.309 nicm 1768: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1769:
1.309 nicm 1770: px = 0;
1.271 nicm 1771: nx = ctx->ocx + 1;
1.309 nicm 1772: py = ctx->ocy;
1.271 nicm 1773:
1.309 nicm 1774: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1775: }
1776:
1777: void
1.24 nicm 1778: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1779: {
1.77 nicm 1780: struct window_pane *wp = ctx->wp;
1.271 nicm 1781: u_int px, py, nx, ny;
1.1 nicm 1782:
1.210 nicm 1783: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1784:
1.271 nicm 1785: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1786: tty_margin_off(tty);
1.39 nicm 1787:
1.309 nicm 1788: px = 0;
1.271 nicm 1789: nx = screen_size_x(wp->screen);
1.309 nicm 1790: py = 0;
1.271 nicm 1791: ny = screen_size_y(wp->screen);
1792:
1.309 nicm 1793: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1794: }
1795:
1796: void
1.24 nicm 1797: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1798: {
1.12 nicm 1799: struct window_pane *wp = ctx->wp;
1800: struct screen *s = wp->screen;
1801: u_int i, j;
1.4 nicm 1802:
1.309 nicm 1803: if (ctx->bigger) {
1804: wp->flags |= PANE_REDRAW;
1805: return;
1806: }
1807:
1.176 nicm 1808: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1809:
1.39 nicm 1810: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1811: tty_margin_off(tty);
1.4 nicm 1812:
1813: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1814: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1815: for (i = 0; i < screen_size_x(s); i++)
1816: tty_putc(tty, 'E');
1.1 nicm 1817: }
1818: }
1819:
1820: void
1.24 nicm 1821: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1822: {
1.309 nicm 1823: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1))
1824: return;
1825:
1826: if (ctx->xoff + ctx->ocx - ctx->ox > tty->sx - 1 &&
1.306 nicm 1827: ctx->ocy == ctx->orlower &&
1828: tty_pane_full_width(tty, ctx))
1829: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1830:
1.306 nicm 1831: tty_margin_off(tty);
1.253 nicm 1832: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1833:
1.237 nicm 1834: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1835: }
1836:
1837: void
1838: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1839: {
1.309 nicm 1840: struct window_pane *wp = ctx->wp;
1841:
1842: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1843: return;
1844:
1845: if (ctx->bigger &&
1846: (ctx->xoff + ctx->ocx < ctx->ox ||
1847: ctx->xoff + ctx->ocx + ctx->num > ctx->ox + ctx->sx)) {
1848: if (!ctx->wrapped ||
1849: !tty_pane_full_width(tty, ctx) ||
1.337 nicm 1850: (tty->term->flags & TERM_NOXENL) ||
1.309 nicm 1851: ctx->xoff + ctx->ocx != 0 ||
1852: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1853: tty->cx < tty->sx ||
1854: tty->cy == tty->rlower)
1855: tty_draw_pane(tty, ctx, ctx->ocy);
1856: else
1857: wp->flags |= PANE_REDRAW;
1858: return;
1859: }
1860:
1.306 nicm 1861: tty_margin_off(tty);
1.253 nicm 1862: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1863:
1864: tty_attributes(tty, ctx->cell, ctx->wp);
1865: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1866: }
1867:
1868: void
1869: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1870: {
1871: char *buf;
1872: size_t off;
1873:
1874: if (!tty_term_has(tty->term, TTYC_MS))
1875: return;
1876:
1877: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1878: buf = xmalloc(off);
1879:
1880: b64_ntop(ctx->ptr, ctx->num, buf, off);
1881: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1882:
1.138 nicm 1883: free(buf);
1.100 nicm 1884: }
1885:
1886: void
1887: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1888: {
1.256 nicm 1889: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1890: tty_invalidate(tty);
1.1 nicm 1891: }
1892:
1.207 nicm 1893: static void
1.317 nicm 1894: tty_cell(struct tty *tty, const struct grid_cell *gc, struct window_pane *wp)
1.1 nicm 1895: {
1.298 nicm 1896: const struct grid_cell *gcp;
1.1 nicm 1897:
1898: /* Skip last character if terminal is stupid. */
1.337 nicm 1899: if ((tty->term->flags & TERM_NOXENL) &&
1.211 nicm 1900: tty->cy == tty->sy - 1 &&
1901: tty->cx == tty->sx - 1)
1.1 nicm 1902: return;
1903:
1904: /* If this is a padding character, do nothing. */
1905: if (gc->flags & GRID_FLAG_PADDING)
1906: return;
1907:
1908: /* Set the attributes. */
1.176 nicm 1909: tty_attributes(tty, gc, wp);
1.1 nicm 1910:
1.147 nicm 1911: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.298 nicm 1912: gcp = tty_check_codeset(tty, gc);
1913: if (gcp->data.size == 1) {
1914: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 1915: return;
1.298 nicm 1916: tty_putc(tty, *gcp->data.data);
1.1 nicm 1917: return;
1918: }
1919:
1.147 nicm 1920: /* Write the data. */
1.298 nicm 1921: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 1922: }
1923:
1924: void
1925: tty_reset(struct tty *tty)
1926: {
1927: struct grid_cell *gc = &tty->cell;
1928:
1.228 nicm 1929: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 1930: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 1931: tty_putcode(tty, TTYC_RMACS);
1932: tty_putcode(tty, TTYC_SGR0);
1933: memcpy(gc, &grid_default_cell, sizeof *gc);
1934: }
1.1 nicm 1935:
1.228 nicm 1936: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1937: tty->last_wp = -1;
1.242 nicm 1938: }
1939:
1940: static void
1941: tty_invalidate(struct tty *tty)
1942: {
1943: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1944:
1945: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1946: tty->last_wp = -1;
1947:
1948: tty->cx = tty->cy = UINT_MAX;
1949:
1950: tty->rupper = tty->rleft = UINT_MAX;
1951: tty->rlower = tty->rright = UINT_MAX;
1952:
1953: if (tty->flags & TTY_STARTED) {
1.330 nicm 1954: if (tty_use_margin(tty))
1955: tty_puts(tty, "\033[?69h"); /* DECLRMM */
1.242 nicm 1956: tty_putcode(tty, TTYC_SGR0);
1957:
1958: tty->mode = ALL_MODES;
1959: tty_update_mode(tty, MODE_CURSOR, NULL);
1960:
1961: tty_cursor(tty, 0, 0);
1962: tty_region_off(tty);
1963: tty_margin_off(tty);
1964: } else
1965: tty->mode = MODE_CURSOR;
1.1 nicm 1966: }
1967:
1.214 nicm 1968: /* Turn off margin. */
1969: void
1970: tty_region_off(struct tty *tty)
1971: {
1972: tty_region(tty, 0, tty->sy - 1);
1973: }
1974:
1.40 nicm 1975: /* Set region inside pane. */
1.208 nicm 1976: static void
1.196 nicm 1977: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1978: u_int rlower)
1.1 nicm 1979: {
1.309 nicm 1980: tty_region(tty, ctx->yoff + rupper - ctx->oy,
1981: ctx->yoff + rlower - ctx->oy);
1.39 nicm 1982: }
1983:
1.40 nicm 1984: /* Set region at absolute position. */
1.214 nicm 1985: static void
1.40 nicm 1986: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1987: {
1988: if (tty->rlower == rlower && tty->rupper == rupper)
1989: return;
1.1 nicm 1990: if (!tty_term_has(tty->term, TTYC_CSR))
1991: return;
1.39 nicm 1992:
1993: tty->rupper = rupper;
1994: tty->rlower = rlower;
1.55 nicm 1995:
1996: /*
1997: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1998: * 0,0 if it is beyond the last column (they do not reset their wrap
1999: * flag so further output causes a line feed). As a workaround, do an
2000: * explicit move to 0 first.
2001: */
2002: if (tty->cx >= tty->sx)
2003: tty_cursor(tty, 0, tty->cy);
1.42 nicm 2004:
1.39 nicm 2005: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2006: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2007: }
2008:
1.214 nicm 2009: /* Turn off margin. */
2010: void
2011: tty_margin_off(struct tty *tty)
2012: {
2013: tty_margin(tty, 0, tty->sx - 1);
2014: }
2015:
1.212 nicm 2016: /* Set margin inside pane. */
2017: static void
2018: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2019: {
1.309 nicm 2020: tty_margin(tty, ctx->xoff - ctx->ox,
2021: ctx->xoff + ctx->wp->sx - 1 - ctx->ox);
1.212 nicm 2022: }
2023:
2024: /* Set margin at absolute position. */
1.214 nicm 2025: static void
1.212 nicm 2026: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2027: {
2028: char s[64];
2029:
2030: if (!tty_use_margin(tty))
2031: return;
2032: if (tty->rleft == rleft && tty->rright == rright)
2033: return;
2034:
1.232 nicm 2035: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2036:
1.212 nicm 2037: tty->rleft = rleft;
2038: tty->rright = rright;
2039:
1.232 nicm 2040: if (rleft == 0 && rright == tty->sx - 1)
2041: snprintf(s, sizeof s, "\033[s");
2042: else
2043: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 2044: tty_puts(tty, s);
1.249 nicm 2045: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2046: }
2047:
2048: /*
2049: * Move the cursor, unless it would wrap itself when the next character is
2050: * printed.
2051: */
2052: static void
2053: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2054: u_int cx, u_int cy)
2055: {
1.268 nicm 2056: if (!ctx->wrapped ||
2057: !tty_pane_full_width(tty, ctx) ||
1.337 nicm 2058: (tty->term->flags & TERM_NOXENL) ||
1.253 nicm 2059: ctx->xoff + cx != 0 ||
2060: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2061: tty->cx < tty->sx ||
2062: tty->cy == tty->rlower)
1.253 nicm 2063: tty_cursor_pane(tty, ctx, cx, cy);
2064: else
2065: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2066: }
2067:
1.42 nicm 2068: /* Move cursor inside pane. */
1.208 nicm 2069: static void
1.41 nicm 2070: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2071: {
1.309 nicm 2072: tty_cursor(tty, ctx->xoff + cx - ctx->ox, ctx->yoff + cy - ctx->oy);
1.41 nicm 2073: }
2074:
1.42 nicm 2075: /* Move cursor to absolute position. */
1.41 nicm 2076: void
2077: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2078: {
1.42 nicm 2079: struct tty_term *term = tty->term;
2080: u_int thisx, thisy;
2081: int change;
1.77 nicm 2082:
1.42 nicm 2083: if (cx > tty->sx - 1)
2084: cx = tty->sx - 1;
2085:
2086: thisx = tty->cx;
2087: thisy = tty->cy;
2088:
2089: /* No change. */
2090: if (cx == thisx && cy == thisy)
2091: return;
2092:
1.43 nicm 2093: /* Very end of the line, just use absolute movement. */
2094: if (thisx > tty->sx - 1)
2095: goto absolute;
2096:
1.42 nicm 2097: /* Move to home position (0, 0). */
2098: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2099: tty_putcode(tty, TTYC_HOME);
2100: goto out;
2101: }
2102:
2103: /* Zero on the next line. */
1.293 nicm 2104: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2105: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2106: tty_putc(tty, '\r');
1.42 nicm 2107: tty_putc(tty, '\n');
2108: goto out;
2109: }
2110:
1.45 nicm 2111: /* Moving column or row. */
1.42 nicm 2112: if (cy == thisy) {
1.45 nicm 2113: /*
2114: * Moving column only, row staying the same.
2115: */
2116:
1.42 nicm 2117: /* To left edge. */
1.294 nicm 2118: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2119: tty_putc(tty, '\r');
2120: goto out;
2121: }
2122:
2123: /* One to the left. */
2124: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2125: tty_putcode(tty, TTYC_CUB1);
2126: goto out;
2127: }
2128:
2129: /* One to the right. */
2130: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2131: tty_putcode(tty, TTYC_CUF1);
2132: goto out;
2133: }
2134:
2135: /* Calculate difference. */
2136: change = thisx - cx; /* +ve left, -ve right */
2137:
2138: /*
2139: * Use HPA if change is larger than absolute, otherwise move
2140: * the cursor with CUB/CUF.
2141: */
1.87 nicm 2142: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2143: tty_putcode1(tty, TTYC_HPA, cx);
2144: goto out;
1.333 nicm 2145: } else if (change > 0 &&
2146: tty_term_has(term, TTYC_CUB) &&
2147: !tty_use_margin(tty)) {
1.202 nicm 2148: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2149: tty_putcode(tty, TTYC_CUB1);
2150: tty_putcode(tty, TTYC_CUB1);
2151: goto out;
2152: }
1.42 nicm 2153: tty_putcode1(tty, TTYC_CUB, change);
2154: goto out;
1.333 nicm 2155: } else if (change < 0 &&
2156: tty_term_has(term, TTYC_CUF) &&
2157: !tty_use_margin(tty)) {
1.42 nicm 2158: tty_putcode1(tty, TTYC_CUF, -change);
2159: goto out;
2160: }
1.45 nicm 2161: } else if (cx == thisx) {
2162: /*
2163: * Moving row only, column staying the same.
2164: */
1.42 nicm 2165:
2166: /* One above. */
1.77 nicm 2167: if (thisy != tty->rupper &&
1.42 nicm 2168: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2169: tty_putcode(tty, TTYC_CUU1);
2170: goto out;
2171: }
2172:
2173: /* One below. */
1.49 nicm 2174: if (thisy != tty->rlower &&
1.42 nicm 2175: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2176: tty_putcode(tty, TTYC_CUD1);
2177: goto out;
2178: }
2179:
2180: /* Calculate difference. */
2181: change = thisy - cy; /* +ve up, -ve down */
2182:
2183: /*
1.77 nicm 2184: * Try to use VPA if change is larger than absolute or if this
2185: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2186: */
1.87 nicm 2187: if ((u_int) abs(change) > cy ||
1.42 nicm 2188: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2189: (change > 0 && cy - change < tty->rupper)) {
2190: if (tty_term_has(term, TTYC_VPA)) {
2191: tty_putcode1(tty, TTYC_VPA, cy);
2192: goto out;
2193: }
1.42 nicm 2194: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2195: tty_putcode1(tty, TTYC_CUU, change);
2196: goto out;
2197: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2198: tty_putcode1(tty, TTYC_CUD, -change);
2199: goto out;
2200: }
2201: }
2202:
1.43 nicm 2203: absolute:
1.42 nicm 2204: /* Absolute movement. */
2205: tty_putcode2(tty, TTYC_CUP, cy, cx);
2206:
2207: out:
2208: tty->cx = cx;
2209: tty->cy = cy;
1.1 nicm 2210: }
2211:
2212: void
1.176 nicm 2213: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.317 nicm 2214: struct window_pane *wp)
1.1 nicm 2215: {
1.63 nicm 2216: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2217: int changed;
1.61 nicm 2218:
1.228 nicm 2219: /* Ignore cell if it is the same as the last one. */
2220: if (wp != NULL &&
2221: (int)wp->id == tty->last_wp &&
1.326 nicm 2222: ~(wp->flags & PANE_STYLECHANGED) &&
1.228 nicm 2223: gc->attr == tty->last_cell.attr &&
2224: gc->fg == tty->last_cell.fg &&
1.328 nicm 2225: gc->bg == tty->last_cell.bg &&
2226: gc->us == tty->last_cell.us)
1.228 nicm 2227: return;
2228: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
2229: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
2230:
2231: /* Copy cell and update default colours. */
1.85 nicm 2232: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 2233: if (wp != NULL)
2234: tty_default_colours(&gc2, wp);
1.63 nicm 2235:
1.18 nicm 2236: /*
2237: * If no setab, try to use the reverse attribute as a best-effort for a
2238: * non-default background. This is a bit of a hack but it doesn't do
2239: * any serious harm and makes a couple of applications happier.
2240: */
2241: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2242: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2243: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2244: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2245: } else {
1.310 nicm 2246: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2247: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2248: }
2249: }
1.1 nicm 2250:
1.85 nicm 2251: /* Fix up the colours if necessary. */
1.219 nicm 2252: tty_check_fg(tty, wp, &gc2);
2253: tty_check_bg(tty, wp, &gc2);
1.328 nicm 2254: tty_check_us(tty, wp, &gc2);
1.85 nicm 2255:
1.328 nicm 2256: /*
2257: * If any bits are being cleared or the underline colour is now default,
2258: * reset everything.
2259: */
2260: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2261: tty_reset(tty);
2262:
2263: /*
2264: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2265: * may add to (NOT remove) the desired attributes.
1.64 nicm 2266: */
1.85 nicm 2267: tty_colours(tty, &gc2);
1.64 nicm 2268:
1.1 nicm 2269: /* Filter out attribute bits already set. */
1.85 nicm 2270: changed = gc2.attr & ~tc->attr;
2271: tc->attr = gc2.attr;
1.1 nicm 2272:
2273: /* Set the attributes. */
2274: if (changed & GRID_ATTR_BRIGHT)
2275: tty_putcode(tty, TTYC_BOLD);
2276: if (changed & GRID_ATTR_DIM)
2277: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2278: if (changed & GRID_ATTR_ITALICS)
2279: tty_set_italics(tty);
1.308 nicm 2280: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2281: if ((changed & GRID_ATTR_UNDERSCORE) ||
2282: !tty_term_has(tty->term, TTYC_SMULX))
2283: tty_putcode(tty, TTYC_SMUL);
2284: else if (changed & GRID_ATTR_UNDERSCORE_2)
2285: tty_putcode1(tty, TTYC_SMULX, 2);
2286: else if (changed & GRID_ATTR_UNDERSCORE_3)
2287: tty_putcode1(tty, TTYC_SMULX, 3);
2288: else if (changed & GRID_ATTR_UNDERSCORE_4)
2289: tty_putcode1(tty, TTYC_SMULX, 4);
2290: else if (changed & GRID_ATTR_UNDERSCORE_5)
2291: tty_putcode1(tty, TTYC_SMULX, 5);
2292: }
1.1 nicm 2293: if (changed & GRID_ATTR_BLINK)
2294: tty_putcode(tty, TTYC_BLINK);
2295: if (changed & GRID_ATTR_REVERSE) {
2296: if (tty_term_has(tty->term, TTYC_REV))
2297: tty_putcode(tty, TTYC_REV);
2298: else if (tty_term_has(tty->term, TTYC_SMSO))
2299: tty_putcode(tty, TTYC_SMSO);
2300: }
2301: if (changed & GRID_ATTR_HIDDEN)
2302: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2303: if (changed & GRID_ATTR_STRIKETHROUGH)
2304: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2305: if (changed & GRID_ATTR_OVERLINE)
2306: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2307: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2308: tty_putcode(tty, TTYC_SMACS);
2309: }
2310:
1.207 nicm 2311: static void
1.85 nicm 2312: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2313: {
1.61 nicm 2314: struct grid_cell *tc = &tty->cell;
1.204 nicm 2315: int have_ax;
1.61 nicm 2316:
2317: /* No changes? Nothing is necessary. */
1.328 nicm 2318: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2319: return;
1.1 nicm 2320:
1.61 nicm 2321: /*
2322: * Is either the default colour? This is handled specially because the
2323: * best solution might be to reset both colours to default, in which
2324: * case if only one is default need to fall onward to set the other
2325: * colour.
2326: */
1.310 nicm 2327: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2328: /*
2329: * If don't have AX but do have op, send sgr0 (op can't
2330: * actually be used because it is sometimes the same as sgr0
2331: * and sometimes isn't). This resets both colours to default.
2332: *
2333: * Otherwise, try to set the default colour only as needed.
2334: */
1.174 nicm 2335: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2336: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2337: tty_reset(tty);
2338: else {
1.310 nicm 2339: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2340: if (have_ax)
2341: tty_puts(tty, "\033[39m");
1.204 nicm 2342: else if (tc->fg != 7)
1.61 nicm 2343: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2344: tc->fg = gc->fg;
1.61 nicm 2345: }
1.310 nicm 2346: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2347: if (have_ax)
1.61 nicm 2348: tty_puts(tty, "\033[49m");
1.204 nicm 2349: else if (tc->bg != 0)
1.61 nicm 2350: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2351: tc->bg = gc->bg;
1.61 nicm 2352: }
2353: }
2354: }
1.1 nicm 2355:
1.61 nicm 2356: /* Set the foreground colour. */
1.310 nicm 2357: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2358: tty_colours_fg(tty, gc);
1.1 nicm 2359:
1.61 nicm 2360: /*
2361: * Set the background colour. This must come after the foreground as
2362: * tty_colour_fg() can call tty_reset().
2363: */
1.310 nicm 2364: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2365: tty_colours_bg(tty, gc);
1.328 nicm 2366:
2367: /* Set the underscore color. */
2368: if (gc->us != tc->us)
2369: tty_colours_us(tty, gc);
1.1 nicm 2370: }
2371:
1.219 nicm 2372: static void
1.317 nicm 2373: tty_check_fg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2374: {
1.204 nicm 2375: u_char r, g, b;
2376: u_int colours;
1.223 nicm 2377: int c;
1.85 nicm 2378:
1.288 nicm 2379: /*
2380: * Perform substitution if this pane has a palette. If the bright
2381: * attribute is set, use the bright entry in the palette by changing to
2382: * the aixterm colour.
2383: */
2384: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2385: c = gc->fg;
1.289 nicm 2386: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2387: c += 90;
2388: if ((c = window_pane_get_palette(wp, c)) != -1)
2389: gc->fg = c;
2390: }
1.219 nicm 2391:
1.199 nicm 2392: /* Is this a 24-bit colour? */
1.204 nicm 2393: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2394: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.341 nicm 2395: if ((tty->term->flags|tty->term_flags) & TERM_RGBCOLOURS)
1.200 nicm 2396: return;
1.341 nicm 2397: colour_split_rgb(gc->fg, &r, &g, &b);
2398: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2399: }
1.224 nicm 2400:
2401: /* How many colours does this terminal have? */
2402: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2403: colours = 256;
2404: else
2405: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2406:
1.85 nicm 2407: /* Is this a 256-colour colour? */
1.204 nicm 2408: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2409: /* And not a 256 colour mode? */
1.224 nicm 2410: if (colours != 256) {
1.85 nicm 2411: gc->fg = colour_256to16(gc->fg);
2412: if (gc->fg & 8) {
2413: gc->fg &= 7;
1.175 nicm 2414: if (colours >= 16)
2415: gc->fg += 90;
1.332 nicm 2416: }
1.85 nicm 2417: }
2418: return;
2419: }
2420:
2421: /* Is this an aixterm colour? */
2422: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2423: gc->fg -= 90;
2424: gc->attr |= GRID_ATTR_BRIGHT;
2425: }
2426: }
2427:
1.219 nicm 2428: static void
1.317 nicm 2429: tty_check_bg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2430: {
1.204 nicm 2431: u_char r, g, b;
2432: u_int colours;
1.223 nicm 2433: int c;
1.85 nicm 2434:
1.288 nicm 2435: /* Perform substitution if this pane has a palette. */
2436: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2437: if ((c = window_pane_get_palette(wp, gc->bg)) != -1)
2438: gc->bg = c;
2439: }
1.219 nicm 2440:
1.199 nicm 2441: /* Is this a 24-bit colour? */
1.204 nicm 2442: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2443: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.341 nicm 2444: if ((tty->term->flags|tty->term_flags) & TERM_RGBCOLOURS)
1.200 nicm 2445: return;
1.341 nicm 2446: colour_split_rgb(gc->bg, &r, &g, &b);
2447: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2448: }
1.224 nicm 2449:
2450: /* How many colours does this terminal have? */
2451: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2452: colours = 256;
2453: else
2454: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2455:
1.85 nicm 2456: /* Is this a 256-colour colour? */
1.204 nicm 2457: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2458: /*
2459: * And not a 256 colour mode? Translate to 16-colour
2460: * palette. Bold background doesn't exist portably, so just
2461: * discard the bold bit if set.
2462: */
1.224 nicm 2463: if (colours != 256) {
1.85 nicm 2464: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2465: if (gc->bg & 8) {
1.85 nicm 2466: gc->bg &= 7;
1.175 nicm 2467: if (colours >= 16)
1.322 nicm 2468: gc->bg += 90;
1.175 nicm 2469: }
1.85 nicm 2470: }
2471: return;
2472: }
2473:
2474: /* Is this an aixterm colour? */
1.175 nicm 2475: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2476: gc->bg -= 90;
2477: }
2478:
1.207 nicm 2479: static void
1.335 nicm 2480: tty_check_us(__unused struct tty *tty, struct window_pane *wp,
2481: struct grid_cell *gc)
1.328 nicm 2482: {
2483: int c;
2484:
2485: /* Perform substitution if this pane has a palette. */
2486: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2487: if ((c = window_pane_get_palette(wp, gc->us)) != -1)
2488: gc->us = c;
2489: }
2490:
2491: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2492: if (gc->us & COLOUR_FLAG_256)
2493: gc->us = colour_256toRGB (gc->us);
2494: }
2495:
2496: static void
1.85 nicm 2497: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2498: {
1.61 nicm 2499: struct grid_cell *tc = &tty->cell;
1.79 nicm 2500: char s[32];
1.1 nicm 2501:
1.204 nicm 2502: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2503: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2504: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 2505: goto save_fg;
1.199 nicm 2506: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2507: return;
1.1 nicm 2508: }
2509:
1.79 nicm 2510: /* Is this an aixterm bright colour? */
1.204 nicm 2511: if (gc->fg >= 90 && gc->fg <= 97) {
1.323 nicm 2512: if (tty->term_flags & TERM_256COLOURS) {
2513: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2514: tty_puts(tty, s);
2515: } else
2516: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.85 nicm 2517: goto save_fg;
1.79 nicm 2518: }
2519:
1.61 nicm 2520: /* Otherwise set the foreground colour. */
1.204 nicm 2521: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2522:
1.77 nicm 2523: save_fg:
1.61 nicm 2524: /* Save the new values in the terminal current cell. */
1.204 nicm 2525: tc->fg = gc->fg;
1.1 nicm 2526: }
2527:
1.207 nicm 2528: static void
1.73 nicm 2529: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2530: {
1.61 nicm 2531: struct grid_cell *tc = &tty->cell;
1.79 nicm 2532: char s[32];
1.1 nicm 2533:
1.204 nicm 2534: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2535: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2536: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 2537: goto save_bg;
1.199 nicm 2538: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2539: return;
1.79 nicm 2540: }
2541:
2542: /* Is this an aixterm bright colour? */
1.204 nicm 2543: if (gc->bg >= 90 && gc->bg <= 97) {
1.323 nicm 2544: if (tty->term_flags & TERM_256COLOURS) {
2545: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2546: tty_puts(tty, s);
2547: } else
2548: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.175 nicm 2549: goto save_bg;
1.1 nicm 2550: }
2551:
1.61 nicm 2552: /* Otherwise set the background colour. */
1.204 nicm 2553: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2554:
2555: save_bg:
2556: /* Save the new values in the terminal current cell. */
1.204 nicm 2557: tc->bg = gc->bg;
1.328 nicm 2558: }
2559:
2560: static void
2561: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2562: {
2563: struct grid_cell *tc = &tty->cell;
2564: u_int c;
2565: u_char r, g, b;
2566:
2567: /* Must be an RGB colour - this should never happen. */
2568: if (~gc->us & COLOUR_FLAG_RGB)
2569: return;
2570:
2571: /*
2572: * Setulc follows the ncurses(3) one argument "direct colour"
2573: * capability format. Calculate the colour value.
2574: */
2575: colour_split_rgb(gc->us, &r, &g, &b);
2576: c = (65536 * r) + (256 * g) + b;
2577:
2578: /* Write the colour. */
2579: tty_putcode1(tty, TTYC_SETULC, c);
2580:
2581: /* Save the new values in the terminal current cell. */
2582: tc->us = gc->us;
1.61 nicm 2583: }
2584:
1.207 nicm 2585: static int
1.204 nicm 2586: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2587: {
1.204 nicm 2588: u_char r, g, b;
1.61 nicm 2589: char s[32];
2590:
1.204 nicm 2591: if (colour & COLOUR_FLAG_256) {
2592: /*
1.300 nicm 2593: * If the user has specified -2 to the client (meaning
2594: * TERM_256COLOURS is set), setaf and setab may not work (or
2595: * they may not want to use them), so send the usual sequence.
2596: *
2597: * Also if RGB is set, setaf and setab do not support the 256
2598: * colour palette so use the sequences directly there too.
1.204 nicm 2599: */
1.300 nicm 2600: if ((tty->term_flags & TERM_256COLOURS) ||
2601: tty_term_has(tty->term, TTYC_RGB))
1.204 nicm 2602: goto fallback_256;
1.189 nicm 2603:
1.204 nicm 2604: /*
2605: * If the terminfo entry has 256 colours and setaf and setab
2606: * exist, assume that they work correctly.
2607: */
2608: if (tty->term->flags & TERM_256COLOURS) {
2609: if (*type == '3') {
2610: if (!tty_term_has(tty->term, TTYC_SETAF))
2611: goto fallback_256;
2612: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2613: } else {
2614: if (!tty_term_has(tty->term, TTYC_SETAB))
2615: goto fallback_256;
2616: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2617: }
2618: return (0);
1.188 nicm 2619: }
1.204 nicm 2620: goto fallback_256;
2621: }
2622:
2623: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2624: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.286 nicm 2625: if (*type == '3') {
2626: if (!tty_term_has(tty->term, TTYC_SETRGBF))
1.341 nicm 2627: goto fallback_rgb;
1.286 nicm 2628: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
2629: } else {
2630: if (!tty_term_has(tty->term, TTYC_SETRGBB))
1.341 nicm 2631: goto fallback_rgb;
1.286 nicm 2632: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
2633: }
1.165 nicm 2634: return (0);
2635: }
1.61 nicm 2636:
1.165 nicm 2637: return (-1);
1.188 nicm 2638:
1.204 nicm 2639: fallback_256:
2640: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.300 nicm 2641: log_debug("%s: 256 colour fallback: %s", tty->client->name, s);
1.341 nicm 2642: tty_puts(tty, s);
2643: return (0);
2644:
2645: fallback_rgb:
2646: xsnprintf(s, sizeof s, "\033[%s;2;%d;%d;%dm", type, r, g, b);
2647: log_debug("%s: RGB colour fallback: %s", tty->client->name, s);
1.188 nicm 2648: tty_puts(tty, s);
2649: return (0);
1.176 nicm 2650: }
2651:
1.207 nicm 2652: static void
1.317 nicm 2653: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2654: {
1.326 nicm 2655: struct options *oo = wp->options;
2656: struct style *style, *active_style;
2657: int c;
2658:
2659: if (wp->flags & PANE_STYLECHANGED) {
2660: wp->flags &= ~PANE_STYLECHANGED;
2661:
2662: active_style = options_get_style(oo, "window-active-style");
2663: style = options_get_style(oo, "window-style");
2664:
2665: style_copy(&wp->cached_active_style, active_style);
2666: style_copy(&wp->cached_style, style);
1.203 nicm 2667: } else {
1.326 nicm 2668: active_style = &wp->cached_active_style;
2669: style = &wp->cached_style;
1.203 nicm 2670: }
1.176 nicm 2671:
1.204 nicm 2672: if (gc->fg == 8) {
1.326 nicm 2673: if (wp == wp->window->active && active_style->gc.fg != 8)
2674: gc->fg = active_style->gc.fg;
1.204 nicm 2675: else
1.326 nicm 2676: gc->fg = style->gc.fg;
1.219 nicm 2677:
1.310 nicm 2678: if (gc->fg != 8) {
2679: c = window_pane_get_palette(wp, gc->fg);
2680: if (c != -1)
2681: gc->fg = c;
2682: }
1.176 nicm 2683: }
2684:
1.204 nicm 2685: if (gc->bg == 8) {
1.326 nicm 2686: if (wp == wp->window->active && active_style->gc.bg != 8)
2687: gc->bg = active_style->gc.bg;
1.204 nicm 2688: else
1.326 nicm 2689: gc->bg = style->gc.bg;
1.219 nicm 2690:
1.310 nicm 2691: if (gc->bg != 8) {
2692: c = window_pane_get_palette(wp, gc->bg);
2693: if (c != -1)
2694: gc->bg = c;
2695: }
1.176 nicm 2696: }
1.210 nicm 2697: }
2698:
2699: static void
1.317 nicm 2700: tty_default_attributes(struct tty *tty, struct window_pane *wp, u_int bg)
1.210 nicm 2701: {
2702: static struct grid_cell gc;
2703:
2704: memcpy(&gc, &grid_default_cell, sizeof gc);
2705: gc.bg = bg;
2706: tty_attributes(tty, &gc, wp);
1.1 nicm 2707: }