Annotation of src/usr.bin/tmux/tty.c, Revision 1.299
1.299 ! nicm 1: /* $OpenBSD: tty.c,v 1.298 2018/01/12 16:41:00 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 *);
1.219 nicm 48: static void tty_check_fg(struct tty *, const struct window_pane *,
49: struct grid_cell *);
50: static void tty_check_bg(struct tty *, const struct window_pane *,
51: struct grid_cell *);
1.207 nicm 52: static void tty_colours_fg(struct tty *, const struct grid_cell *);
53: static void tty_colours_bg(struct tty *, const struct grid_cell *);
54:
1.208 nicm 55: static void tty_region_pane(struct tty *, const struct tty_ctx *, u_int,
56: u_int);
1.214 nicm 57: static void tty_region(struct tty *, u_int, u_int);
1.212 nicm 58: static void tty_margin_pane(struct tty *, const struct tty_ctx *);
1.214 nicm 59: static void tty_margin(struct tty *, u_int, u_int);
1.207 nicm 60: static int tty_large_region(struct tty *, const struct tty_ctx *);
1.210 nicm 61: static int tty_fake_bce(const struct tty *, const struct window_pane *,
62: u_int);
1.207 nicm 63: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
64: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
65: enum tty_code_code, u_int);
66: static void tty_repeat_space(struct tty *, u_int);
67: static void tty_cell(struct tty *, const struct grid_cell *,
68: const struct window_pane *);
69: static void tty_default_colours(struct grid_cell *,
70: const struct window_pane *);
1.210 nicm 71: static void tty_default_attributes(struct tty *, const struct window_pane *,
72: u_int);
1.1 nicm 73:
1.212 nicm 74: #define tty_use_margin(tty) \
1.265 nicm 75: ((tty)->term_type == TTY_VT420)
1.90 nicm 76:
1.264 nicm 77: #define tty_pane_full_width(tty, ctx) \
1.132 nicm 78: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
79:
1.266 nicm 80: #define TTY_BLOCK_INTERVAL (100000 /* 100 milliseconds */)
81: #define TTY_BLOCK_START(tty) (1 + ((tty)->sx * (tty)->sy) * 8)
82: #define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
83:
1.192 nicm 84: void
85: tty_create_log(void)
86: {
87: char name[64];
88:
89: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
90:
91: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
92: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
93: fatal("fcntl failed");
94: }
95:
1.185 nicm 96: int
1.136 nicm 97: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 98: {
1.185 nicm 99: if (!isatty(fd))
100: return (-1);
101:
1.30 nicm 102: memset(tty, 0, sizeof *tty);
1.22 nicm 103:
1.9 nicm 104: if (term == NULL || *term == '\0')
1.220 nicm 105: tty->term_name = xstrdup("unknown");
1.1 nicm 106: else
1.220 nicm 107: tty->term_name = xstrdup(term);
1.258 nicm 108:
1.30 nicm 109: tty->fd = fd;
1.136 nicm 110: tty->client = c;
1.30 nicm 111:
1.108 nicm 112: tty->cstyle = 0;
1.107 nicm 113: tty->ccolour = xstrdup("");
1.30 nicm 114:
1.1 nicm 115: tty->flags = 0;
1.212 nicm 116:
1.1 nicm 117: tty->term_flags = 0;
1.212 nicm 118: tty->term_type = TTY_UNKNOWN;
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;
128: u_int sx, sy;
1.31 nicm 129:
130: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 131: sx = ws.ws_col;
132: if (sx == 0)
133: sx = 80;
134: sy = ws.ws_row;
135: if (sy == 0)
136: sy = 24;
137: } else {
138: sx = 80;
139: sy = 24;
1.31 nicm 140: }
1.258 nicm 141: log_debug("%s: %s now %ux%u", __func__, c->name, sx, sy);
1.287 nicm 142: tty_set_size(tty, sx, sy);
1.242 nicm 143: tty_invalidate(tty);
1.114 nicm 144: }
145:
1.287 nicm 146: void
1.212 nicm 147: tty_set_size(struct tty *tty, u_int sx, u_int sy)
148: {
1.114 nicm 149: tty->sx = sx;
150: tty->sy = sy;
1.1 nicm 151: }
152:
1.244 nicm 153: static void
154: tty_read_callback(__unused int fd, __unused short events, void *data)
155: {
156: struct tty *tty = data;
1.258 nicm 157: struct client *c = tty->client;
1.244 nicm 158: size_t size = EVBUFFER_LENGTH(tty->in);
159: int nread;
160:
161: nread = evbuffer_read(tty->in, tty->fd, -1);
1.295 nicm 162: if (nread == 0 || nread == -1) {
1.290 nicm 163: event_del(&tty->event_in);
1.295 nicm 164: server_client_lost(tty->client);
1.244 nicm 165: return;
1.290 nicm 166: }
1.258 nicm 167: log_debug("%s: read %d bytes (already %zu)", c->name, nread, size);
1.244 nicm 168:
169: while (tty_keys_next(tty))
170: ;
171: }
172:
173: static void
1.266 nicm 174: tty_timer_callback(__unused int fd, __unused short events, void *data)
175: {
176: struct tty *tty = data;
177: struct client *c = tty->client;
178: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
179:
180: log_debug("%s: %zu discarded", c->name, tty->discarded);
181:
182: c->flags |= CLIENT_REDRAW;
183: c->discarded += tty->discarded;
184:
185: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
186: tty->flags &= ~TTY_BLOCK;
187: tty_invalidate(tty);
188: return;
189: }
190: tty->discarded = 0;
191: evtimer_add(&tty->timer, &tv);
192: }
193:
194: static int
195: tty_block_maybe(struct tty *tty)
196: {
197: struct client *c = tty->client;
198: size_t size = EVBUFFER_LENGTH(tty->out);
199: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
200:
201: if (size < TTY_BLOCK_START(tty))
202: return (0);
203:
204: if (tty->flags & TTY_BLOCK)
205: return (1);
206: tty->flags |= TTY_BLOCK;
207:
208: log_debug("%s: can't keep up, %zu discarded", c->name, size);
209:
210: evbuffer_drain(tty->out, size);
211: c->discarded += size;
212:
213: tty->discarded = 0;
214: evtimer_add(&tty->timer, &tv);
215: return (1);
216: }
217:
218: static void
1.244 nicm 219: tty_write_callback(__unused int fd, __unused short events, void *data)
220: {
1.246 nicm 221: struct tty *tty = data;
1.258 nicm 222: struct client *c = tty->client;
1.246 nicm 223: size_t size = EVBUFFER_LENGTH(tty->out);
224: int nwrite;
1.244 nicm 225:
226: nwrite = evbuffer_write(tty->out, tty->fd);
227: if (nwrite == -1)
228: return;
1.258 nicm 229: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 230:
1.270 nicm 231: if (c->redraw > 0) {
232: if ((size_t)nwrite >= c->redraw)
233: c->redraw = 0;
234: else
235: c->redraw -= nwrite;
236: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
237: c->redraw);
238: } else if (tty_block_maybe(tty))
1.266 nicm 239: return;
240:
1.247 nicm 241: if (EVBUFFER_LENGTH(tty->out) != 0)
242: event_add(&tty->event_out, NULL);
1.244 nicm 243: }
244:
1.1 nicm 245: int
1.166 nicm 246: tty_open(struct tty *tty, char **cause)
1.1 nicm 247: {
1.220 nicm 248: tty->term = tty_term_find(tty->term_name, tty->fd, cause);
1.21 nicm 249: if (tty->term == NULL) {
250: tty_close(tty);
251: return (-1);
252: }
253: tty->flags |= TTY_OPENED;
1.1 nicm 254:
1.266 nicm 255: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 256:
257: event_set(&tty->event_in, tty->fd, EV_PERSIST|EV_READ,
258: tty_read_callback, tty);
259: tty->in = evbuffer_new();
1.1 nicm 260:
1.244 nicm 261: event_set(&tty->event_out, tty->fd, EV_WRITE, tty_write_callback, tty);
262: tty->out = evbuffer_new();
1.1 nicm 263:
1.266 nicm 264: evtimer_set(&tty->timer, tty_timer_callback, tty);
265:
1.1 nicm 266: tty_start_tty(tty);
267:
1.148 nicm 268: tty_keys_build(tty);
1.1 nicm 269:
270: return (0);
271: }
272:
1.244 nicm 273: void
274: tty_start_tty(struct tty *tty)
1.1 nicm 275: {
1.285 nicm 276: struct client *c = tty->client;
277: struct termios tio;
1.33 nicm 278:
1.244 nicm 279: if (tty->fd != -1 && tcgetattr(tty->fd, &tty->tio) == 0) {
280: setblocking(tty->fd, 0);
281: event_add(&tty->event_in, NULL);
282:
283: memcpy(&tio, &tty->tio, sizeof tio);
284: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
285: tio.c_iflag |= IGNBRK;
286: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
287: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
288: ECHOPRT|ECHOKE|ISIG);
289: tio.c_cc[VMIN] = 1;
290: tio.c_cc[VTIME] = 0;
291: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
292: tcflush(tty->fd, TCIOFLUSH);
293: }
1.1 nicm 294:
1.10 nicm 295: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 296:
1.252 nicm 297: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 298: tty_putcode(tty, TTYC_CLEAR);
299:
300: if (tty_acs_needed(tty)) {
301: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 302: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 303: } else
304: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 305:
306: tty_putcode(tty, TTYC_CNORM);
307: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 308: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.121 nicm 309:
1.189 nicm 310: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 311: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 312: tty->flags |= TTY_FOCUS;
313: tty_puts(tty, "\033[?1004h");
314: }
1.265 nicm 315: tty_puts(tty, "\033[c");
1.162 nicm 316: }
1.1 nicm 317:
1.20 nicm 318: tty->flags |= TTY_STARTED;
1.242 nicm 319: tty_invalidate(tty);
1.107 nicm 320:
321: tty_force_cursor_colour(tty, "");
1.177 nicm 322:
323: tty->mouse_drag_flag = 0;
324: tty->mouse_drag_update = NULL;
325: tty->mouse_drag_release = NULL;
1.128 nicm 326: }
327:
328: void
1.1 nicm 329: tty_stop_tty(struct tty *tty)
330: {
331: struct winsize ws;
332:
1.20 nicm 333: if (!(tty->flags & TTY_STARTED))
334: return;
335: tty->flags &= ~TTY_STARTED;
336:
1.266 nicm 337: event_del(&tty->timer);
338: tty->flags &= ~TTY_BLOCK;
339:
1.244 nicm 340: event_del(&tty->event_in);
341: event_del(&tty->event_out);
1.66 nicm 342:
1.1 nicm 343: /*
344: * Be flexible about error handling and try not kill the server just
345: * because the fd is invalid. Things like ssh -t can easily leave us
346: * with a dead tty.
347: */
348: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
349: return;
350: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
351: return;
352:
353: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 354: if (tty_acs_needed(tty))
1.90 nicm 355: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 356: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
357: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
358: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 359: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
360: if (tty_term_has(tty->term, TTYC_SE))
361: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 362: else
1.160 nicm 363: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 364: }
1.173 nicm 365: if (tty->mode & MODE_BRACKETPASTE)
366: tty_raw(tty, "\033[?2004l");
1.107 nicm 367: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 368:
369: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
370: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 371: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.151 nicm 372:
1.189 nicm 373: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 374: if (tty->flags & TTY_FOCUS) {
375: tty->flags &= ~TTY_FOCUS;
1.172 nicm 376: tty_raw(tty, "\033[?1004l");
1.162 nicm 377: }
378: }
1.10 nicm 379:
1.212 nicm 380: if (tty_use_margin(tty))
381: tty_raw(tty, "\033[?69l"); /* DECLRMM */
1.10 nicm 382: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 383:
384: setblocking(tty->fd, 1);
1.1 nicm 385: }
386:
387: void
1.20 nicm 388: tty_close(struct tty *tty)
1.1 nicm 389: {
1.123 nicm 390: if (event_initialized(&tty->key_timer))
391: evtimer_del(&tty->key_timer);
1.20 nicm 392: tty_stop_tty(tty);
1.1 nicm 393:
1.21 nicm 394: if (tty->flags & TTY_OPENED) {
1.244 nicm 395: evbuffer_free(tty->in);
396: event_del(&tty->event_in);
397: evbuffer_free(tty->out);
398: event_del(&tty->event_out);
1.66 nicm 399:
1.21 nicm 400: tty_term_free(tty->term);
401: tty_keys_free(tty);
402:
403: tty->flags &= ~TTY_OPENED;
404: }
1.1 nicm 405:
1.21 nicm 406: if (tty->fd != -1) {
407: close(tty->fd);
408: tty->fd = -1;
409: }
1.1 nicm 410: }
411:
412: void
1.20 nicm 413: tty_free(struct tty *tty)
1.1 nicm 414: {
1.20 nicm 415: tty_close(tty);
1.1 nicm 416:
1.138 nicm 417: free(tty->ccolour);
1.220 nicm 418: free(tty->term_name);
1.1 nicm 419: }
420:
421: void
1.212 nicm 422: tty_set_type(struct tty *tty, int type)
423: {
424: tty->term_type = type;
425:
426: if (tty_use_margin(tty))
427: tty_puts(tty, "\033[?69h"); /* DECLRMM */
428: }
429:
430: void
1.1 nicm 431: tty_raw(struct tty *tty, const char *s)
432: {
1.150 nicm 433: ssize_t n, slen;
434: u_int i;
435:
436: slen = strlen(s);
437: for (i = 0; i < 5; i++) {
438: n = write(tty->fd, s, slen);
439: if (n >= 0) {
440: s += n;
441: slen -= n;
442: if (slen == 0)
443: break;
444: } else if (n == -1 && errno != EAGAIN)
445: break;
446: usleep(100);
447: }
1.1 nicm 448: }
449:
450: void
451: tty_putcode(struct tty *tty, enum tty_code_code code)
452: {
453: tty_puts(tty, tty_term_string(tty->term, code));
454: }
455:
456: void
457: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
458: {
459: if (a < 0)
460: return;
461: tty_puts(tty, tty_term_string1(tty->term, code, a));
462: }
463:
464: void
465: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
466: {
467: if (a < 0 || b < 0)
468: return;
469: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
470: }
471:
472: void
1.286 nicm 473: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
474: {
475: if (a < 0 || b < 0 || c < 0)
476: return;
477: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
478: }
479:
480: void
1.107 nicm 481: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
482: {
483: if (a != NULL)
484: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
485: }
486:
487: void
1.167 nicm 488: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
489: const void *b)
1.106 nicm 490: {
491: if (a != NULL && b != NULL)
492: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
493: }
494:
1.243 nicm 495: static void
496: tty_add(struct tty *tty, const char *buf, size_t len)
497: {
1.258 nicm 498: struct client *c = tty->client;
499:
1.266 nicm 500: if (tty->flags & TTY_BLOCK) {
501: tty->discarded += len;
502: return;
503: }
504:
1.244 nicm 505: evbuffer_add(tty->out, buf, len);
1.270 nicm 506: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 507: c->written += len;
1.243 nicm 508:
509: if (tty_log_fd != -1)
510: write(tty_log_fd, buf, len);
1.244 nicm 511: if (tty->flags & TTY_STARTED)
512: event_add(&tty->event_out, NULL);
1.243 nicm 513: }
514:
1.106 nicm 515: void
1.1 nicm 516: tty_puts(struct tty *tty, const char *s)
517: {
1.243 nicm 518: if (*s != '\0')
519: tty_add(tty, s, strlen(s));
1.1 nicm 520: }
521:
522: void
523: tty_putc(struct tty *tty, u_char ch)
524: {
1.90 nicm 525: const char *acs;
1.1 nicm 526:
1.90 nicm 527: if (tty->cell.attr & GRID_ATTR_CHARSET) {
528: acs = tty_acs_get(tty, ch);
1.243 nicm 529: if (acs != NULL)
530: tty_add(tty, acs, strlen(acs));
531: else
532: tty_add(tty, &ch, 1);
533: } else
534: tty_add(tty, &ch, 1);
1.1 nicm 535:
536: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 537: if (tty->cx >= tty->sx) {
1.46 nicm 538: tty->cx = 1;
539: if (tty->cy != tty->rlower)
540: tty->cy++;
1.211 nicm 541:
542: /*
543: * On !xenl terminals, force the cursor position to
544: * where we think it should be after a line wrap - this
545: * means it works on sensible terminals as well.
546: */
547: if (tty->term->flags & TERM_EARLYWRAP)
548: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 549: } else
550: tty->cx++;
551: }
552: }
553:
554: void
1.147 nicm 555: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 556: {
1.243 nicm 557: tty_add(tty, buf, len);
1.268 nicm 558: if (tty->cx + width > tty->sx) {
559: tty->cx = (tty->cx + width) - tty->sx;
560: if (tty->cx <= tty->sx)
561: tty->cy++;
562: else
563: tty->cx = tty->cy = UINT_MAX;
564: } else
1.254 nicm 565: tty->cx += width;
1.5 nicm 566: }
567:
1.207 nicm 568: static void
1.180 nicm 569: tty_set_italics(struct tty *tty)
570: {
571: const char *s;
572:
573: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 574: s = options_get_string(global_options, "default-terminal");
1.180 nicm 575: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
576: tty_putcode(tty, TTYC_SITM);
577: return;
578: }
579: }
580: tty_putcode(tty, TTYC_SMSO);
581: }
582:
583: void
1.1 nicm 584: tty_set_title(struct tty *tty, const char *title)
585: {
1.105 nicm 586: if (!tty_term_has(tty->term, TTYC_TSL) ||
587: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 588: return;
589:
1.105 nicm 590: tty_putcode(tty, TTYC_TSL);
1.1 nicm 591: tty_puts(tty, title);
1.105 nicm 592: tty_putcode(tty, TTYC_FSL);
1.1 nicm 593: }
594:
1.208 nicm 595: static void
1.107 nicm 596: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
597: {
598: if (*ccolour == '\0')
599: tty_putcode(tty, TTYC_CR);
600: else
1.160 nicm 601: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 602: free(tty->ccolour);
1.107 nicm 603: tty->ccolour = xstrdup(ccolour);
604: }
605:
606: void
607: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 608: {
609: int changed;
610:
1.197 nicm 611: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 612: tty_force_cursor_colour(tty, s->ccolour);
613:
1.1 nicm 614: if (tty->flags & TTY_NOCURSOR)
615: mode &= ~MODE_CURSOR;
616:
617: changed = mode ^ tty->mode;
1.183 nicm 618: if (changed & MODE_BLINKING) {
619: if (tty_term_has(tty->term, TTYC_CVVIS))
620: tty_putcode(tty, TTYC_CVVIS);
621: else
622: tty_putcode(tty, TTYC_CNORM);
623: changed |= MODE_CURSOR;
624: }
625: if (changed & MODE_CURSOR) {
626: if (mode & MODE_CURSOR)
627: tty_putcode(tty, TTYC_CNORM);
628: else
1.1 nicm 629: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 630: }
1.181 nicm 631: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 632: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 633: if (s->cstyle == 0 &&
1.160 nicm 634: tty_term_has(tty->term, TTYC_SE))
635: tty_putcode(tty, TTYC_SE);
1.108 nicm 636: else
1.160 nicm 637: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 638: }
639: tty->cstyle = s->cstyle;
1.1 nicm 640: }
1.195 nicm 641: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 642: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 643: /*
644: * Enable the SGR (1006) extension unconditionally, as
1.221 nicm 645: * it is safe from misinterpretation.
1.153 nicm 646: */
647: tty_puts(tty, "\033[?1006h");
1.225 nicm 648: if (mode & MODE_MOUSE_ALL)
649: tty_puts(tty, "\033[?1003h");
650: else if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 651: tty_puts(tty, "\033[?1002h");
1.98 nicm 652: else if (mode & MODE_MOUSE_STANDARD)
653: tty_puts(tty, "\033[?1000h");
1.86 nicm 654: } else {
1.225 nicm 655: if (tty->mode & MODE_MOUSE_ALL)
656: tty_puts(tty, "\033[?1003l");
657: else if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 658: tty_puts(tty, "\033[?1002l");
1.98 nicm 659: else if (tty->mode & MODE_MOUSE_STANDARD)
660: tty_puts(tty, "\033[?1000l");
1.153 nicm 661: tty_puts(tty, "\033[?1006l");
1.86 nicm 662: }
1.115 nicm 663: }
664: if (changed & MODE_BRACKETPASTE) {
665: if (mode & MODE_BRACKETPASTE)
666: tty_puts(tty, "\033[?2004h");
667: else
668: tty_puts(tty, "\033[?2004l");
1.1 nicm 669: }
670: tty->mode = mode;
671: }
672:
1.207 nicm 673: static void
1.168 nicm 674: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
675: enum tty_code_code code1, u_int n)
1.1 nicm 676: {
677: if (tty_term_has(tty->term, code))
678: tty_putcode1(tty, code, n);
679: else {
680: while (n-- > 0)
681: tty_putcode(tty, code1);
682: }
683: }
684:
1.207 nicm 685: static void
1.133 nicm 686: tty_repeat_space(struct tty *tty, u_int n)
687: {
1.257 nicm 688: static char s[500];
689:
690: if (*s != ' ')
691: memset(s, ' ', sizeof s);
692:
693: while (n > sizeof s) {
694: tty_putn(tty, s, sizeof s, sizeof s);
695: n -= sizeof s;
696: }
697: if (n != 0)
698: tty_putn(tty, s, n, n);
1.133 nicm 699: }
700:
1.1 nicm 701: /*
1.119 nicm 702: * Is the region large enough to be worth redrawing once later rather than
703: * probably several times now? Currently yes if it is more than 50% of the
704: * pane.
705: */
1.207 nicm 706: static int
1.194 nicm 707: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 708: {
709: struct window_pane *wp = ctx->wp;
710:
711: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
712: }
713:
714: /*
1.176 nicm 715: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
716: * emulated.
717: */
1.207 nicm 718: static int
1.210 nicm 719: tty_fake_bce(const struct tty *tty, const struct window_pane *wp, u_int bg)
1.176 nicm 720: {
721: struct grid_cell gc;
722:
1.210 nicm 723: if (tty_term_flag(tty->term, TTYC_BCE))
724: return (0);
725:
1.176 nicm 726: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 727: if (wp != NULL)
728: tty_default_colours(&gc, wp);
1.176 nicm 729:
1.210 nicm 730: if (bg != 8 || gc.bg != 8)
731: return (1);
732: return (0);
1.176 nicm 733: }
734:
735: /*
1.1 nicm 736: * Redraw scroll region using data from screen (already updated). Used when
737: * CSR not supported, or window is a pane that doesn't take up the full
738: * width of the terminal.
739: */
1.207 nicm 740: static void
1.24 nicm 741: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 742: {
1.14 nicm 743: struct window_pane *wp = ctx->wp;
744: struct screen *s = wp->screen;
1.204 nicm 745: u_int i;
1.1 nicm 746:
747: /*
1.119 nicm 748: * If region is large, schedule a window redraw. In most cases this is
749: * likely to be followed by some more scrolling.
1.1 nicm 750: */
1.119 nicm 751: if (tty_large_region(tty, ctx)) {
1.1 nicm 752: wp->flags |= PANE_REDRAW;
753: return;
754: }
755:
1.14 nicm 756: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
757: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176 nicm 758: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 759: } else {
1.14 nicm 760: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176 nicm 761: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 762: }
763: }
764:
1.271 nicm 765: static void
766: tty_clear_line(struct tty *tty, const struct window_pane *wp, u_int py,
767: u_int px, u_int nx, u_int bg)
768: {
769: log_debug("%s: %u at %u,%u", __func__, nx, px, py);
770:
771: /* Nothing to clear. */
772: if (nx == 0)
773: return;
774:
775: /* If genuine BCE is available, can try escape sequences. */
776: if (!tty_fake_bce(tty, wp, bg)) {
777: /* Off the end of the line, use EL if available. */
778: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
779: tty_cursor(tty, px, py);
780: tty_putcode(tty, TTYC_EL);
781: return;
782: }
783:
784: /* At the start of the line. Use EL1. */
785: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
786: tty_cursor(tty, px + nx - 1, py);
787: tty_putcode(tty, TTYC_EL1);
788: return;
789: }
790:
791: /* Section of line. Use ECH if possible. */
792: if (tty_term_has(tty->term, TTYC_ECH)) {
793: tty_cursor(tty, px, py);
794: tty_putcode1(tty, TTYC_ECH, nx);
795: return;
796: }
797: }
798:
799: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 800: tty_cursor(tty, px, py);
1.271 nicm 801: tty_repeat_space(tty, nx);
802: }
803:
804: static void
805: tty_clear_area(struct tty *tty, const struct window_pane *wp, u_int py,
806: u_int ny, u_int px, u_int nx, u_int bg)
807: {
808: u_int yy;
1.274 nicm 809: char tmp[64];
1.271 nicm 810:
811: log_debug("%s: %u,%u at %u,%u", __func__, nx, ny, px, py);
812:
813: /* Nothing to clear. */
814: if (nx == 0 || ny == 0)
815: return;
816:
817: /* If genuine BCE is available, can try escape sequences. */
818: if (!tty_fake_bce(tty, wp, bg)) {
1.276 nicm 819: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 820: if (px == 0 &&
821: px + nx >= tty->sx &&
822: py + ny >= tty->sy &&
823: tty_term_has(tty->term, TTYC_ED)) {
824: tty_cursor(tty, 0, py);
825: tty_putcode(tty, TTYC_ED);
1.274 nicm 826: return;
827: }
828:
829: /*
1.276 nicm 830: * On VT420 compatible terminals we can use DECFRA if the
831: * background colour isn't default (because it doesn't work
832: * after SGR 0).
1.274 nicm 833: */
834: if (tty->term_type == TTY_VT420 && bg != 8) {
835: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
836: py + 1, px + 1, py + ny, px + nx);
837: tty_puts(tty, tmp);
1.276 nicm 838: return;
839: }
840:
1.280 nicm 841: /* Full lines can be scrolled away to clear them. */
842: if (px == 0 &&
1.281 nicm 843: px + nx >= tty->sx &&
1.280 nicm 844: ny > 2 &&
845: tty_term_has(tty->term, TTYC_CSR) &&
846: tty_term_has(tty->term, TTYC_INDN)) {
847: tty_region(tty, py, py + ny - 1);
848: tty_margin_off(tty);
1.284 nicm 849: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 850: return;
851: }
852:
1.276 nicm 853: /*
854: * If margins are supported, can just scroll the area off to
855: * clear it.
856: */
1.277 nicm 857: if (nx > 2 &&
858: ny > 2 &&
1.280 nicm 859: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 860: tty_use_margin(tty) &&
861: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 862: tty_region(tty, py, py + ny - 1);
863: tty_margin(tty, px, px + nx - 1);
1.284 nicm 864: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 865: return;
866: }
867: }
868:
869: /* Couldn't use an escape sequence, loop over the lines. */
870: for (yy = py; yy < py + ny; yy++)
871: tty_clear_line(tty, wp, yy, px, nx, bg);
872: }
873:
1.1 nicm 874: void
1.176 nicm 875: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
876: u_int oy)
877: {
878: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
879: }
880:
1.298 nicm 881: static const struct grid_cell *
882: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
883: {
884: static struct grid_cell new;
885: u_int n;
886:
887: /* Characters less than 0x7f are always fine, no matter what. */
888: if (gc->data.size == 1 && *gc->data.data < 0x7f)
889: return (gc);
890:
891: /* UTF-8 terminal and a UTF-8 character - fine. */
892: if (tty->flags & TTY_UTF8)
893: return (gc);
894:
895: /* Replace by the right number of underscores. */
896: n = gc->data.width;
897: if (n > UTF8_SIZE)
898: n = UTF8_SIZE;
899: memcpy(&new, gc, sizeof new);
900: new.data.size = n;
901: memset(new.data.data, '_', n);
902: return (&new);
903: }
904:
1.176 nicm 905: void
906: tty_draw_line(struct tty *tty, const struct window_pane *wp,
907: struct screen *s, u_int py, u_int ox, u_int oy)
1.1 nicm 908: {
1.297 nicm 909: struct grid *gd = s->grid;
1.250 nicm 910: struct grid_cell gc, last;
1.298 nicm 911: const struct grid_cell *gcp;
1.292 nicm 912: u_int i, j, ux, sx, nx, width;
1.259 nicm 913: int flags, cleared = 0;
1.250 nicm 914: char buf[512];
1.291 nicm 915: size_t len, old_len;
1.1 nicm 916:
1.259 nicm 917: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 918: tty->flags |= TTY_NOCURSOR;
919: tty_update_mode(tty, tty->mode, s);
1.35 nicm 920:
1.214 nicm 921: tty_region_off(tty);
922: tty_margin_off(tty);
923:
1.273 nicm 924: /*
925: * Clamp the width to cellsize - note this is not cellused, because
926: * there may be empty background cells after it (from BCE).
927: */
1.1 nicm 928: sx = screen_size_x(s);
1.297 nicm 929: if (sx > gd->linedata[gd->hsize + py].cellsize)
930: sx = gd->linedata[gd->hsize + py].cellsize;
1.1 nicm 931: if (sx > tty->sx)
932: sx = tty->sx;
1.292 nicm 933: ux = 0;
1.1 nicm 934:
1.268 nicm 935: if (wp == NULL ||
936: py == 0 ||
1.297 nicm 937: (~gd->linedata[gd->hsize + py - 1].flags & GRID_LINE_WRAPPED) ||
1.268 nicm 938: ox != 0 ||
939: tty->cx < tty->sx ||
940: screen_size_x(s) < tty->sx) {
941: if (screen_size_x(s) < tty->sx &&
942: ox == 0 &&
943: sx != screen_size_x(s) &&
944: tty_term_has(tty->term, TTYC_EL1) &&
945: !tty_fake_bce(tty, wp, 8)) {
946: tty_default_attributes(tty, wp, 8);
947: tty_cursor(tty, screen_size_x(s) - 1, oy + py);
948: tty_putcode(tty, TTYC_EL1);
949: cleared = 1;
950: }
951: if (sx != 0)
952: tty_cursor(tty, ox, oy + py);
953: } else
954: log_debug("%s: wrapped line %u", __func__, oy + py);
1.250 nicm 955:
956: memcpy(&last, &grid_default_cell, sizeof last);
957: len = 0;
958: width = 0;
1.46 nicm 959:
1.1 nicm 960: for (i = 0; i < sx; i++) {
1.297 nicm 961: grid_view_get_cell(gd, i, py, &gc);
1.298 nicm 962: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 963: if (len != 0 &&
1.298 nicm 964: ((gcp->attr & GRID_ATTR_CHARSET) ||
965: gcp->flags != last.flags ||
966: gcp->attr != last.attr ||
967: gcp->fg != last.fg ||
968: gcp->bg != last.bg ||
969: ux + width + gcp->data.width >= screen_size_x(s) ||
970: (sizeof buf) - len < gcp->data.size)) {
1.250 nicm 971: tty_attributes(tty, &last, wp);
972: tty_putn(tty, buf, len, width);
1.292 nicm 973: ux += width;
1.250 nicm 974:
975: len = 0;
976: width = 0;
977: }
978:
1.298 nicm 979: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 ! nicm 980: screen_select_cell(s, &last, gcp);
1.250 nicm 981: else
1.299 ! nicm 982: memcpy(&last, gcp, sizeof last);
! 983: if (ux + gcp->data.width > screen_size_x(s)) {
! 984: tty_attributes(tty, &last, wp);
1.298 nicm 985: for (j = 0; j < gcp->data.width; j++) {
1.297 nicm 986: if (ux + j > screen_size_x(s))
987: break;
988: tty_putc(tty, ' ');
989: ux++;
990: }
1.299 ! nicm 991: } else if (gcp->attr & GRID_ATTR_CHARSET) {
! 992: tty_attributes(tty, &last, wp);
! 993: for (j = 0; j < gcp->data.size; j++)
! 994: tty_putc(tty, gcp->data.data[j]);
! 995: ux += gc.data.width;
! 996: } else {
1.298 nicm 997: memcpy(buf + len, gcp->data.data, gcp->data.size);
998: len += gcp->data.size;
999: width += gcp->data.width;
1.250 nicm 1000: }
1001: }
1002: if (len != 0) {
1.291 nicm 1003: if (grid_cells_equal(&last, &grid_default_cell)) {
1004: old_len = len;
1.292 nicm 1005: while (len > 0 && buf[len - 1] == ' ') {
1.291 nicm 1006: len--;
1.292 nicm 1007: width--;
1008: }
1.291 nicm 1009: log_debug("%s: trimmed %zu spaces", __func__,
1010: old_len - len);
1011: }
1012: if (len != 0) {
1013: tty_attributes(tty, &last, wp);
1014: tty_putn(tty, buf, len, width);
1.292 nicm 1015: ux += width;
1.291 nicm 1016: }
1.1 nicm 1017: }
1018:
1.297 nicm 1019: if (!cleared && ux < screen_size_x(s)) {
1020: nx = screen_size_x(s) - ux;
1.210 nicm 1021: tty_default_attributes(tty, wp, 8);
1.292 nicm 1022: tty_clear_line(tty, wp, oy + py, ox + ux, nx, 8);
1.35 nicm 1023: }
1.1 nicm 1024:
1.181 nicm 1025: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1026: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1027: }
1028:
1.201 nicm 1029: static int
1.182 nicm 1030: tty_client_ready(struct client *c, struct window_pane *wp)
1031: {
1032: if (c->session == NULL || c->tty.term == NULL)
1033: return (0);
1.244 nicm 1034: if (c->flags & (CLIENT_REDRAW|CLIENT_SUSPENDED))
1.182 nicm 1035: return (0);
1036: if (c->tty.flags & TTY_FREEZE)
1037: return (0);
1038: if (c->session->curw->window != wp->window)
1039: return (0);
1040: return (1);
1041: }
1042:
1.15 nicm 1043: void
1.182 nicm 1044: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1045: struct tty_ctx *ctx)
1.15 nicm 1046: {
1047: struct window_pane *wp = ctx->wp;
1048: struct client *c;
1049:
1.75 nicm 1050: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 1051: if (wp == NULL)
1052: return;
1053:
1.260 nicm 1054: if ((wp->flags & (PANE_REDRAW|PANE_DROP)) || !window_pane_visible(wp))
1.15 nicm 1055: return;
1056:
1.178 nicm 1057: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 1058: if (!tty_client_ready(c, wp))
1.15 nicm 1059: continue;
1060:
1.139 nicm 1061: ctx->xoff = wp->xoff;
1062: ctx->yoff = wp->yoff;
1063: if (status_at_line(c) == 0)
1.296 nicm 1064: ctx->yoff += status_line_size(c->session);
1.113 nicm 1065:
1.139 nicm 1066: cmdfn(&c->tty, ctx);
1.1 nicm 1067: }
1068: }
1069:
1070: void
1.24 nicm 1071: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1072: {
1.77 nicm 1073: struct window_pane *wp = ctx->wp;
1.1 nicm 1074:
1.210 nicm 1075: if (!tty_pane_full_width(tty, ctx) ||
1076: tty_fake_bce(tty, wp, ctx->bg) ||
1077: (!tty_term_has(tty->term, TTYC_ICH) &&
1078: !tty_term_has(tty->term, TTYC_ICH1))) {
1.176 nicm 1079: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 1080: return;
1081: }
1082:
1.210 nicm 1083: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1084:
1.77 nicm 1085: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1086:
1.206 nicm 1087: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1088: }
1089:
1090: void
1.24 nicm 1091: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1092: {
1.77 nicm 1093: struct window_pane *wp = ctx->wp;
1.1 nicm 1094:
1.210 nicm 1095: if (!tty_pane_full_width(tty, ctx) ||
1096: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 1097: (!tty_term_has(tty->term, TTYC_DCH) &&
1098: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 1099: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 1100: return;
1101: }
1102:
1.210 nicm 1103: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1104:
1.77 nicm 1105: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1106:
1.206 nicm 1107: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1108: }
1109:
1110: void
1111: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1112: {
1.275 nicm 1113: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.146 nicm 1114:
1115: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1116:
1.210 nicm 1117: if (tty_term_has(tty->term, TTYC_ECH) &&
1.262 nicm 1118: !tty_fake_bce(tty, ctx->wp, 8))
1.146 nicm 1119: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1120: else
1121: tty_repeat_space(tty, ctx->num);
1.1 nicm 1122: }
1123:
1124: void
1.24 nicm 1125: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1126: {
1.210 nicm 1127: if (!tty_pane_full_width(tty, ctx) ||
1128: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 1129: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 1130: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 1131: tty_redraw_region(tty, ctx);
1.1 nicm 1132: return;
1133: }
1134:
1.210 nicm 1135: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1136:
1.77 nicm 1137: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1138: tty_margin_off(tty);
1.77 nicm 1139: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1140:
1.12 nicm 1141: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1142: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1143: }
1144:
1145: void
1.24 nicm 1146: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1147: {
1.210 nicm 1148: if (!tty_pane_full_width(tty, ctx) ||
1149: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 1150: !tty_term_has(tty->term, TTYC_CSR) ||
1151: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 1152: tty_redraw_region(tty, ctx);
1.1 nicm 1153: return;
1154: }
1155:
1.210 nicm 1156: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1157:
1.77 nicm 1158: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1159: tty_margin_off(tty);
1.77 nicm 1160: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1161:
1.12 nicm 1162: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1163: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1164: }
1165:
1166: void
1.24 nicm 1167: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1168: {
1.77 nicm 1169: struct window_pane *wp = ctx->wp;
1.271 nicm 1170: u_int nx, py = ctx->yoff + ctx->ocy;
1.1 nicm 1171:
1.210 nicm 1172: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1173:
1.271 nicm 1174: nx = screen_size_x(wp->screen);
1175: tty_clear_line(tty, wp, py, ctx->xoff, nx, ctx->bg);
1.1 nicm 1176: }
1177:
1178: void
1.24 nicm 1179: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1180: {
1.77 nicm 1181: struct window_pane *wp = ctx->wp;
1.271 nicm 1182: u_int nx, py = ctx->yoff + ctx->ocy;
1.1 nicm 1183:
1.210 nicm 1184: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1185:
1.271 nicm 1186: nx = screen_size_x(wp->screen) - ctx->ocx;
1187: tty_clear_line(tty, wp, py, ctx->xoff + ctx->ocx, nx, ctx->bg);
1.1 nicm 1188: }
1189:
1190: void
1.24 nicm 1191: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1192: {
1.210 nicm 1193: struct window_pane *wp = ctx->wp;
1.282 nicm 1194: u_int py = ctx->yoff + ctx->ocy;
1.210 nicm 1195:
1196: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1197:
1.271 nicm 1198: tty_clear_line(tty, wp, py, ctx->xoff, ctx->ocx + 1, ctx->bg);
1.1 nicm 1199: }
1200:
1201: void
1.24 nicm 1202: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1203: {
1.278 nicm 1204: struct window_pane *wp = ctx->wp;
1205:
1.56 nicm 1206: if (ctx->ocy != ctx->orupper)
1207: return;
1208:
1.210 nicm 1209: if (!tty_pane_full_width(tty, ctx) ||
1.278 nicm 1210: tty_fake_bce(tty, wp, 8) ||
1.70 nicm 1211: !tty_term_has(tty->term, TTYC_CSR) ||
1212: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 1213: tty_redraw_region(tty, ctx);
1.1 nicm 1214: return;
1215: }
1216:
1.278 nicm 1217: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1218:
1.56 nicm 1219: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1220: tty_margin_off(tty);
1.56 nicm 1221: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1222:
1.56 nicm 1223: tty_putcode(tty, TTYC_RI);
1.1 nicm 1224: }
1225:
1226: void
1.24 nicm 1227: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1228: {
1.77 nicm 1229: struct window_pane *wp = ctx->wp;
1.1 nicm 1230:
1.56 nicm 1231: if (ctx->ocy != ctx->orlower)
1232: return;
1233:
1.212 nicm 1234: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1235: tty_fake_bce(tty, wp, 8) ||
1.1 nicm 1236: !tty_term_has(tty->term, TTYC_CSR)) {
1.236 nicm 1237: tty_redraw_region(tty, ctx);
1.1 nicm 1238: return;
1239: }
1.52 nicm 1240:
1.278 nicm 1241: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1242:
1.56 nicm 1243: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1244: tty_margin_pane(tty, ctx);
1245:
1246: /*
1247: * If we want to wrap a pane, the cursor needs to be exactly on the
1248: * right of the region. But if the pane isn't on the right, it may be
1249: * off the edge - if so, move the cursor back to the right.
1250: */
1251: if (ctx->xoff + ctx->ocx > tty->rright)
1.216 nicm 1252: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1.212 nicm 1253: else
1254: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1255:
1.56 nicm 1256: tty_putc(tty, '\n');
1.240 nicm 1257: }
1258:
1259: void
1260: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1261: {
1262: struct window_pane *wp = ctx->wp;
1.284 nicm 1263: u_int i;
1.240 nicm 1264:
1265: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1266: tty_fake_bce(tty, wp, 8) ||
1.240 nicm 1267: !tty_term_has(tty->term, TTYC_CSR)) {
1268: tty_redraw_region(tty, ctx);
1269: return;
1270: }
1271:
1.278 nicm 1272: tty_default_attributes(tty, wp, ctx->bg);
1.240 nicm 1273:
1274: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1275: tty_margin_pane(tty, ctx);
1276:
1.284 nicm 1277: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.241 nicm 1278: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1279: for (i = 0; i < ctx->num; i++)
1.240 nicm 1280: tty_putc(tty, '\n');
1281: } else
1.284 nicm 1282: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.1 nicm 1283: }
1284:
1285: void
1.24 nicm 1286: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1287: {
1.77 nicm 1288: struct window_pane *wp = ctx->wp;
1.271 nicm 1289: u_int px, py, nx, ny;
1.1 nicm 1290:
1.210 nicm 1291: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1292:
1.271 nicm 1293: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1294: tty_margin_off(tty);
1.39 nicm 1295:
1.271 nicm 1296: px = ctx->xoff;
1297: nx = screen_size_x(wp->screen);
1298: py = ctx->yoff + ctx->ocy + 1;
1299: ny = screen_size_y(wp->screen) - ctx->ocy - 1;
1300:
1301: tty_clear_area(tty, wp, py, ny, px, nx, ctx->bg);
1302:
1303: px = ctx->xoff + ctx->ocx;
1304: nx = screen_size_x(wp->screen) - ctx->ocx;
1305: py = ctx->yoff + ctx->ocy;
1306:
1307: tty_clear_line(tty, wp, py, px, nx, ctx->bg);
1.1 nicm 1308: }
1309:
1310: void
1.24 nicm 1311: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1312: {
1.77 nicm 1313: struct window_pane *wp = ctx->wp;
1.271 nicm 1314: u_int px, py, nx, ny;
1.1 nicm 1315:
1.227 nicm 1316: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1317:
1.271 nicm 1318: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1319: tty_margin_off(tty);
1.39 nicm 1320:
1.271 nicm 1321: px = ctx->xoff;
1322: nx = screen_size_x(wp->screen);
1323: py = ctx->yoff;
1324: ny = ctx->ocy - 1;
1325:
1326: tty_clear_area(tty, wp, py, ny, px, nx, ctx->bg);
1327:
1328: px = ctx->xoff;
1329: nx = ctx->ocx + 1;
1330: py = ctx->yoff + ctx->ocy;
1331:
1332: tty_clear_line(tty, wp, py, px, nx, ctx->bg);
1.1 nicm 1333: }
1334:
1335: void
1.24 nicm 1336: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1337: {
1.77 nicm 1338: struct window_pane *wp = ctx->wp;
1.271 nicm 1339: u_int px, py, nx, ny;
1.1 nicm 1340:
1.210 nicm 1341: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1342:
1.271 nicm 1343: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1344: tty_margin_off(tty);
1.39 nicm 1345:
1.271 nicm 1346: px = ctx->xoff;
1347: nx = screen_size_x(wp->screen);
1348: py = ctx->yoff;
1349: ny = screen_size_y(wp->screen);
1350:
1351: tty_clear_area(tty, wp, py, ny, px, nx, ctx->bg);
1.4 nicm 1352: }
1353:
1354: void
1.24 nicm 1355: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1356: {
1.12 nicm 1357: struct window_pane *wp = ctx->wp;
1358: struct screen *s = wp->screen;
1359: u_int i, j;
1.4 nicm 1360:
1.176 nicm 1361: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1362:
1.39 nicm 1363: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1364: tty_margin_off(tty);
1.4 nicm 1365:
1366: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1367: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1368: for (i = 0; i < screen_size_x(s); i++)
1369: tty_putc(tty, 'E');
1.1 nicm 1370: }
1371: }
1372:
1373: void
1.24 nicm 1374: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1375: {
1.222 nicm 1376: if (ctx->xoff + ctx->ocx > tty->sx - 1 && ctx->ocy == ctx->orlower) {
1377: if (tty_pane_full_width(tty, ctx))
1378: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1379: else
1380: tty_margin_off(tty);
1381: }
1.46 nicm 1382:
1.253 nicm 1383: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1384:
1.237 nicm 1385: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1386: }
1387:
1388: void
1389: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1390: {
1.253 nicm 1391: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1392:
1393: tty_attributes(tty, ctx->cell, ctx->wp);
1394: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1395: }
1396:
1397: void
1398: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1399: {
1400: char *buf;
1401: size_t off;
1402:
1403: if (!tty_term_has(tty->term, TTYC_MS))
1404: return;
1405:
1406: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1407: buf = xmalloc(off);
1408:
1409: b64_ntop(ctx->ptr, ctx->num, buf, off);
1410: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1411:
1.138 nicm 1412: free(buf);
1.100 nicm 1413: }
1414:
1415: void
1416: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1417: {
1.256 nicm 1418: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1419: tty_invalidate(tty);
1.1 nicm 1420: }
1421:
1.207 nicm 1422: static void
1.176 nicm 1423: tty_cell(struct tty *tty, const struct grid_cell *gc,
1424: const struct window_pane *wp)
1.1 nicm 1425: {
1.298 nicm 1426: const struct grid_cell *gcp;
1.1 nicm 1427:
1428: /* Skip last character if terminal is stupid. */
1.211 nicm 1429: if ((tty->term->flags & TERM_EARLYWRAP) &&
1430: tty->cy == tty->sy - 1 &&
1431: tty->cx == tty->sx - 1)
1.1 nicm 1432: return;
1433:
1434: /* If this is a padding character, do nothing. */
1435: if (gc->flags & GRID_FLAG_PADDING)
1436: return;
1437:
1438: /* Set the attributes. */
1.176 nicm 1439: tty_attributes(tty, gc, wp);
1.1 nicm 1440:
1.147 nicm 1441: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.298 nicm 1442: gcp = tty_check_codeset(tty, gc);
1443: if (gcp->data.size == 1) {
1444: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 1445: return;
1.298 nicm 1446: tty_putc(tty, *gcp->data.data);
1.1 nicm 1447: return;
1448: }
1449:
1.147 nicm 1450: /* Write the data. */
1.298 nicm 1451: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 1452: }
1453:
1454: void
1455: tty_reset(struct tty *tty)
1456: {
1457: struct grid_cell *gc = &tty->cell;
1458:
1.228 nicm 1459: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 1460: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 1461: tty_putcode(tty, TTYC_RMACS);
1462: tty_putcode(tty, TTYC_SGR0);
1463: memcpy(gc, &grid_default_cell, sizeof *gc);
1464: }
1.1 nicm 1465:
1.228 nicm 1466: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1467: tty->last_wp = -1;
1.242 nicm 1468: }
1469:
1470: static void
1471: tty_invalidate(struct tty *tty)
1472: {
1473: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1474:
1475: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1476: tty->last_wp = -1;
1477:
1478: tty->cx = tty->cy = UINT_MAX;
1479:
1480: tty->rupper = tty->rleft = UINT_MAX;
1481: tty->rlower = tty->rright = UINT_MAX;
1482:
1483: if (tty->flags & TTY_STARTED) {
1484: tty_putcode(tty, TTYC_SGR0);
1485:
1486: tty->mode = ALL_MODES;
1487: tty_update_mode(tty, MODE_CURSOR, NULL);
1488:
1489: tty_cursor(tty, 0, 0);
1490: tty_region_off(tty);
1491: tty_margin_off(tty);
1492: } else
1493: tty->mode = MODE_CURSOR;
1.1 nicm 1494: }
1495:
1.214 nicm 1496: /* Turn off margin. */
1497: void
1498: tty_region_off(struct tty *tty)
1499: {
1500: tty_region(tty, 0, tty->sy - 1);
1501: }
1502:
1.40 nicm 1503: /* Set region inside pane. */
1.208 nicm 1504: static void
1.196 nicm 1505: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1506: u_int rlower)
1.1 nicm 1507: {
1.113 nicm 1508: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1509: }
1510:
1.40 nicm 1511: /* Set region at absolute position. */
1.214 nicm 1512: static void
1.40 nicm 1513: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1514: {
1515: if (tty->rlower == rlower && tty->rupper == rupper)
1516: return;
1.1 nicm 1517: if (!tty_term_has(tty->term, TTYC_CSR))
1518: return;
1.39 nicm 1519:
1520: tty->rupper = rupper;
1521: tty->rlower = rlower;
1.55 nicm 1522:
1523: /*
1524: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1525: * 0,0 if it is beyond the last column (they do not reset their wrap
1526: * flag so further output causes a line feed). As a workaround, do an
1527: * explicit move to 0 first.
1528: */
1529: if (tty->cx >= tty->sx)
1530: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1531:
1.39 nicm 1532: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 1533: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 1534: }
1535:
1.214 nicm 1536: /* Turn off margin. */
1537: void
1538: tty_margin_off(struct tty *tty)
1539: {
1540: tty_margin(tty, 0, tty->sx - 1);
1541: }
1542:
1.212 nicm 1543: /* Set margin inside pane. */
1544: static void
1545: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
1546: {
1547: tty_margin(tty, ctx->xoff, ctx->xoff + ctx->wp->sx - 1);
1548: }
1549:
1550: /* Set margin at absolute position. */
1.214 nicm 1551: static void
1.212 nicm 1552: tty_margin(struct tty *tty, u_int rleft, u_int rright)
1553: {
1554: char s[64];
1555:
1556: if (!tty_use_margin(tty))
1557: return;
1558: if (tty->rleft == rleft && tty->rright == rright)
1559: return;
1560:
1.232 nicm 1561: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 1562:
1.212 nicm 1563: tty->rleft = rleft;
1564: tty->rright = rright;
1565:
1.232 nicm 1566: if (rleft == 0 && rright == tty->sx - 1)
1567: snprintf(s, sizeof s, "\033[s");
1568: else
1569: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 1570: tty_puts(tty, s);
1.249 nicm 1571: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 1572: }
1573:
1574: /*
1575: * Move the cursor, unless it would wrap itself when the next character is
1576: * printed.
1577: */
1578: static void
1579: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
1580: u_int cx, u_int cy)
1581: {
1.268 nicm 1582: if (!ctx->wrapped ||
1583: !tty_pane_full_width(tty, ctx) ||
1.253 nicm 1584: (tty->term->flags & TERM_EARLYWRAP) ||
1585: ctx->xoff + cx != 0 ||
1586: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 1587: tty->cx < tty->sx ||
1588: tty->cy == tty->rlower)
1.253 nicm 1589: tty_cursor_pane(tty, ctx, cx, cy);
1590: else
1591: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 1592: }
1593:
1.42 nicm 1594: /* Move cursor inside pane. */
1.208 nicm 1595: static void
1.41 nicm 1596: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1597: {
1.113 nicm 1598: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1599: }
1600:
1.42 nicm 1601: /* Move cursor to absolute position. */
1.41 nicm 1602: void
1603: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1604: {
1.42 nicm 1605: struct tty_term *term = tty->term;
1606: u_int thisx, thisy;
1607: int change;
1.77 nicm 1608:
1.42 nicm 1609: if (cx > tty->sx - 1)
1610: cx = tty->sx - 1;
1611:
1612: thisx = tty->cx;
1613: thisy = tty->cy;
1614:
1615: /* No change. */
1616: if (cx == thisx && cy == thisy)
1617: return;
1618:
1.43 nicm 1619: /* Very end of the line, just use absolute movement. */
1620: if (thisx > tty->sx - 1)
1621: goto absolute;
1622:
1.42 nicm 1623: /* Move to home position (0, 0). */
1624: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1625: tty_putcode(tty, TTYC_HOME);
1626: goto out;
1627: }
1628:
1629: /* Zero on the next line. */
1.293 nicm 1630: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
1631: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 1632: tty_putc(tty, '\r');
1.42 nicm 1633: tty_putc(tty, '\n');
1634: goto out;
1635: }
1636:
1.45 nicm 1637: /* Moving column or row. */
1.42 nicm 1638: if (cy == thisy) {
1.45 nicm 1639: /*
1640: * Moving column only, row staying the same.
1641: */
1642:
1.42 nicm 1643: /* To left edge. */
1.294 nicm 1644: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 1645: tty_putc(tty, '\r');
1646: goto out;
1647: }
1648:
1649: /* One to the left. */
1650: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1651: tty_putcode(tty, TTYC_CUB1);
1652: goto out;
1653: }
1654:
1655: /* One to the right. */
1656: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1657: tty_putcode(tty, TTYC_CUF1);
1658: goto out;
1659: }
1660:
1661: /* Calculate difference. */
1662: change = thisx - cx; /* +ve left, -ve right */
1663:
1664: /*
1665: * Use HPA if change is larger than absolute, otherwise move
1666: * the cursor with CUB/CUF.
1667: */
1.87 nicm 1668: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1669: tty_putcode1(tty, TTYC_HPA, cx);
1670: goto out;
1671: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1.202 nicm 1672: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
1673: tty_putcode(tty, TTYC_CUB1);
1674: tty_putcode(tty, TTYC_CUB1);
1675: goto out;
1676: }
1.42 nicm 1677: tty_putcode1(tty, TTYC_CUB, change);
1678: goto out;
1679: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1680: tty_putcode1(tty, TTYC_CUF, -change);
1681: goto out;
1682: }
1.45 nicm 1683: } else if (cx == thisx) {
1684: /*
1685: * Moving row only, column staying the same.
1686: */
1.42 nicm 1687:
1688: /* One above. */
1.77 nicm 1689: if (thisy != tty->rupper &&
1.42 nicm 1690: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1691: tty_putcode(tty, TTYC_CUU1);
1692: goto out;
1693: }
1694:
1695: /* One below. */
1.49 nicm 1696: if (thisy != tty->rlower &&
1.42 nicm 1697: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1698: tty_putcode(tty, TTYC_CUD1);
1699: goto out;
1700: }
1701:
1702: /* Calculate difference. */
1703: change = thisy - cy; /* +ve up, -ve down */
1704:
1705: /*
1.77 nicm 1706: * Try to use VPA if change is larger than absolute or if this
1707: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1708: */
1.87 nicm 1709: if ((u_int) abs(change) > cy ||
1.42 nicm 1710: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1711: (change > 0 && cy - change < tty->rupper)) {
1712: if (tty_term_has(term, TTYC_VPA)) {
1713: tty_putcode1(tty, TTYC_VPA, cy);
1714: goto out;
1715: }
1.42 nicm 1716: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1717: tty_putcode1(tty, TTYC_CUU, change);
1718: goto out;
1719: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1720: tty_putcode1(tty, TTYC_CUD, -change);
1721: goto out;
1722: }
1723: }
1724:
1.43 nicm 1725: absolute:
1.42 nicm 1726: /* Absolute movement. */
1727: tty_putcode2(tty, TTYC_CUP, cy, cx);
1728:
1729: out:
1730: tty->cx = cx;
1731: tty->cy = cy;
1.1 nicm 1732: }
1733:
1734: void
1.176 nicm 1735: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1736: const struct window_pane *wp)
1.1 nicm 1737: {
1.63 nicm 1738: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 1739: int changed;
1.61 nicm 1740:
1.228 nicm 1741: /* Ignore cell if it is the same as the last one. */
1742: if (wp != NULL &&
1743: (int)wp->id == tty->last_wp &&
1744: ~(wp->window->flags & WINDOW_STYLECHANGED) &&
1745: gc->attr == tty->last_cell.attr &&
1746: gc->fg == tty->last_cell.fg &&
1747: gc->bg == tty->last_cell.bg)
1748: return;
1749: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
1750: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
1751:
1752: /* Copy cell and update default colours. */
1.85 nicm 1753: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 1754: if (wp != NULL)
1755: tty_default_colours(&gc2, wp);
1.63 nicm 1756:
1.18 nicm 1757: /*
1758: * If no setab, try to use the reverse attribute as a best-effort for a
1759: * non-default background. This is a bit of a hack but it doesn't do
1760: * any serious harm and makes a couple of applications happier.
1761: */
1762: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1763: if (gc2.attr & GRID_ATTR_REVERSE) {
1764: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1765: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1766: } else {
1.85 nicm 1767: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1768: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1769: }
1770: }
1.1 nicm 1771:
1.85 nicm 1772: /* Fix up the colours if necessary. */
1.219 nicm 1773: tty_check_fg(tty, wp, &gc2);
1774: tty_check_bg(tty, wp, &gc2);
1.85 nicm 1775:
1.64 nicm 1776: /* If any bits are being cleared, reset everything. */
1.85 nicm 1777: if (tc->attr & ~gc2.attr)
1.64 nicm 1778: tty_reset(tty);
1779:
1780: /*
1781: * Set the colours. This may call tty_reset() (so it comes next) and
1782: * may add to (NOT remove) the desired attributes by changing new_attr.
1783: */
1.85 nicm 1784: tty_colours(tty, &gc2);
1.64 nicm 1785:
1.1 nicm 1786: /* Filter out attribute bits already set. */
1.85 nicm 1787: changed = gc2.attr & ~tc->attr;
1788: tc->attr = gc2.attr;
1.1 nicm 1789:
1790: /* Set the attributes. */
1791: if (changed & GRID_ATTR_BRIGHT)
1792: tty_putcode(tty, TTYC_BOLD);
1793: if (changed & GRID_ATTR_DIM)
1794: tty_putcode(tty, TTYC_DIM);
1.180 nicm 1795: if (changed & GRID_ATTR_ITALICS)
1796: tty_set_italics(tty);
1.1 nicm 1797: if (changed & GRID_ATTR_UNDERSCORE)
1798: tty_putcode(tty, TTYC_SMUL);
1799: if (changed & GRID_ATTR_BLINK)
1800: tty_putcode(tty, TTYC_BLINK);
1801: if (changed & GRID_ATTR_REVERSE) {
1802: if (tty_term_has(tty->term, TTYC_REV))
1803: tty_putcode(tty, TTYC_REV);
1804: else if (tty_term_has(tty->term, TTYC_SMSO))
1805: tty_putcode(tty, TTYC_SMSO);
1806: }
1807: if (changed & GRID_ATTR_HIDDEN)
1808: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 1809: if (changed & GRID_ATTR_STRIKETHROUGH)
1810: tty_putcode(tty, TTYC_SMXX);
1.285 nicm 1811: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 1812: tty_putcode(tty, TTYC_SMACS);
1813: }
1814:
1.207 nicm 1815: static void
1.85 nicm 1816: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1817: {
1.61 nicm 1818: struct grid_cell *tc = &tty->cell;
1.204 nicm 1819: int have_ax;
1.61 nicm 1820:
1821: /* No changes? Nothing is necessary. */
1.204 nicm 1822: if (gc->fg == tc->fg && gc->bg == tc->bg)
1.63 nicm 1823: return;
1.1 nicm 1824:
1.61 nicm 1825: /*
1826: * Is either the default colour? This is handled specially because the
1827: * best solution might be to reset both colours to default, in which
1828: * case if only one is default need to fall onward to set the other
1829: * colour.
1830: */
1.204 nicm 1831: if (gc->fg == 8 || gc->bg == 8) {
1.61 nicm 1832: /*
1833: * If don't have AX but do have op, send sgr0 (op can't
1834: * actually be used because it is sometimes the same as sgr0
1835: * and sometimes isn't). This resets both colours to default.
1836: *
1837: * Otherwise, try to set the default colour only as needed.
1838: */
1.174 nicm 1839: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 1840: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1841: tty_reset(tty);
1842: else {
1.204 nicm 1843: if (gc->fg == 8 && tc->fg != 8) {
1.61 nicm 1844: if (have_ax)
1845: tty_puts(tty, "\033[39m");
1.204 nicm 1846: else if (tc->fg != 7)
1.61 nicm 1847: tty_putcode1(tty, TTYC_SETAF, 7);
1848: tc->fg = 8;
1849: }
1.204 nicm 1850: if (gc->bg == 8 && tc->bg != 8) {
1.77 nicm 1851: if (have_ax)
1.61 nicm 1852: tty_puts(tty, "\033[49m");
1.204 nicm 1853: else if (tc->bg != 0)
1.61 nicm 1854: tty_putcode1(tty, TTYC_SETAB, 0);
1855: tc->bg = 8;
1856: }
1857: }
1858: }
1.1 nicm 1859:
1.61 nicm 1860: /* Set the foreground colour. */
1.204 nicm 1861: if (gc->fg != 8 && gc->fg != tc->fg)
1.85 nicm 1862: tty_colours_fg(tty, gc);
1.1 nicm 1863:
1.61 nicm 1864: /*
1865: * Set the background colour. This must come after the foreground as
1866: * tty_colour_fg() can call tty_reset().
1867: */
1.204 nicm 1868: if (gc->bg != 8 && gc->bg != tc->bg)
1.73 nicm 1869: tty_colours_bg(tty, gc);
1.1 nicm 1870: }
1871:
1.219 nicm 1872: static void
1873: tty_check_fg(struct tty *tty, const struct window_pane *wp,
1874: struct grid_cell *gc)
1.85 nicm 1875: {
1.204 nicm 1876: u_char r, g, b;
1877: u_int colours;
1.223 nicm 1878: int c;
1.85 nicm 1879:
1.288 nicm 1880: /*
1881: * Perform substitution if this pane has a palette. If the bright
1882: * attribute is set, use the bright entry in the palette by changing to
1883: * the aixterm colour.
1884: */
1885: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1886: c = gc->fg;
1.289 nicm 1887: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 1888: c += 90;
1889: if ((c = window_pane_get_palette(wp, c)) != -1)
1890: gc->fg = c;
1891: }
1.219 nicm 1892:
1.199 nicm 1893: /* Is this a 24-bit colour? */
1.204 nicm 1894: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 1895: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.286 nicm 1896: if (!tty_term_has(tty->term, TTYC_SETRGBF)) {
1.204 nicm 1897: colour_split_rgb(gc->fg, &r, &g, &b);
1898: gc->fg = colour_find_rgb(r, g, b);
1899: } else
1.200 nicm 1900: return;
1.199 nicm 1901: }
1.224 nicm 1902:
1903: /* How many colours does this terminal have? */
1904: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1905: colours = 256;
1906: else
1907: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1908:
1.85 nicm 1909: /* Is this a 256-colour colour? */
1.204 nicm 1910: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 1911: /* And not a 256 colour mode? */
1.224 nicm 1912: if (colours != 256) {
1.85 nicm 1913: gc->fg = colour_256to16(gc->fg);
1914: if (gc->fg & 8) {
1915: gc->fg &= 7;
1.175 nicm 1916: if (colours >= 16)
1917: gc->fg += 90;
1918: else
1919: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1920: } else
1921: gc->attr &= ~GRID_ATTR_BRIGHT;
1922: }
1923: return;
1924: }
1925:
1926: /* Is this an aixterm colour? */
1927: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1928: gc->fg -= 90;
1929: gc->attr |= GRID_ATTR_BRIGHT;
1930: }
1931: }
1932:
1.219 nicm 1933: static void
1934: tty_check_bg(struct tty *tty, const struct window_pane *wp,
1935: struct grid_cell *gc)
1.85 nicm 1936: {
1.204 nicm 1937: u_char r, g, b;
1938: u_int colours;
1.223 nicm 1939: int c;
1.85 nicm 1940:
1.288 nicm 1941: /* Perform substitution if this pane has a palette. */
1942: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1943: if ((c = window_pane_get_palette(wp, gc->bg)) != -1)
1944: gc->bg = c;
1945: }
1.219 nicm 1946:
1.199 nicm 1947: /* Is this a 24-bit colour? */
1.204 nicm 1948: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 1949: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.286 nicm 1950: if (!tty_term_has(tty->term, TTYC_SETRGBB)) {
1.204 nicm 1951: colour_split_rgb(gc->bg, &r, &g, &b);
1952: gc->bg = colour_find_rgb(r, g, b);
1953: } else
1.200 nicm 1954: return;
1.199 nicm 1955: }
1.224 nicm 1956:
1957: /* How many colours does this terminal have? */
1958: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1959: colours = 256;
1960: else
1961: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1962:
1.85 nicm 1963: /* Is this a 256-colour colour? */
1.204 nicm 1964: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 1965: /*
1966: * And not a 256 colour mode? Translate to 16-colour
1967: * palette. Bold background doesn't exist portably, so just
1968: * discard the bold bit if set.
1969: */
1.224 nicm 1970: if (colours != 256) {
1.85 nicm 1971: gc->bg = colour_256to16(gc->bg);
1.175 nicm 1972: if (gc->bg & 8) {
1.85 nicm 1973: gc->bg &= 7;
1.175 nicm 1974: if (colours >= 16)
1975: gc->fg += 90;
1976: }
1.85 nicm 1977: }
1978: return;
1979: }
1980:
1981: /* Is this an aixterm colour? */
1.175 nicm 1982: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 1983: gc->bg -= 90;
1984: }
1985:
1.207 nicm 1986: static void
1.85 nicm 1987: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1988: {
1.61 nicm 1989: struct grid_cell *tc = &tty->cell;
1.79 nicm 1990: char s[32];
1.1 nicm 1991:
1.204 nicm 1992: /* Is this a 24-bit or 256-colour colour? */
1993: if (gc->fg & COLOUR_FLAG_RGB ||
1994: gc->fg & COLOUR_FLAG_256) {
1995: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 1996: goto save_fg;
1.199 nicm 1997: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 1998: return;
1.1 nicm 1999: }
2000:
1.79 nicm 2001: /* Is this an aixterm bright colour? */
1.204 nicm 2002: if (gc->fg >= 90 && gc->fg <= 97) {
2003: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
1.85 nicm 2004: tty_puts(tty, s);
2005: goto save_fg;
1.79 nicm 2006: }
2007:
1.61 nicm 2008: /* Otherwise set the foreground colour. */
1.204 nicm 2009: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2010:
1.77 nicm 2011: save_fg:
1.61 nicm 2012: /* Save the new values in the terminal current cell. */
1.204 nicm 2013: tc->fg = gc->fg;
1.1 nicm 2014: }
2015:
1.207 nicm 2016: static void
1.73 nicm 2017: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2018: {
1.61 nicm 2019: struct grid_cell *tc = &tty->cell;
1.79 nicm 2020: char s[32];
1.1 nicm 2021:
1.204 nicm 2022: /* Is this a 24-bit or 256-colour colour? */
2023: if (gc->bg & COLOUR_FLAG_RGB ||
2024: gc->bg & COLOUR_FLAG_256) {
2025: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 2026: goto save_bg;
1.199 nicm 2027: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2028: return;
1.79 nicm 2029: }
2030:
2031: /* Is this an aixterm bright colour? */
1.204 nicm 2032: if (gc->bg >= 90 && gc->bg <= 97) {
2033: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
1.175 nicm 2034: tty_puts(tty, s);
2035: goto save_bg;
1.1 nicm 2036: }
2037:
1.61 nicm 2038: /* Otherwise set the background colour. */
1.204 nicm 2039: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2040:
2041: save_bg:
2042: /* Save the new values in the terminal current cell. */
1.204 nicm 2043: tc->bg = gc->bg;
1.61 nicm 2044: }
2045:
1.207 nicm 2046: static int
1.204 nicm 2047: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2048: {
1.204 nicm 2049: u_char r, g, b;
1.61 nicm 2050: char s[32];
2051:
1.204 nicm 2052: if (colour & COLOUR_FLAG_256) {
2053: /*
2054: * If the user has specified -2 to the client, setaf and setab
2055: * may not work (or they may not want to use them), so send the
2056: * usual sequence.
2057: */
2058: if (tty->term_flags & TERM_256COLOURS)
2059: goto fallback_256;
1.189 nicm 2060:
1.204 nicm 2061: /*
2062: * If the terminfo entry has 256 colours and setaf and setab
2063: * exist, assume that they work correctly.
2064: */
2065: if (tty->term->flags & TERM_256COLOURS) {
2066: if (*type == '3') {
2067: if (!tty_term_has(tty->term, TTYC_SETAF))
2068: goto fallback_256;
2069: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2070: } else {
2071: if (!tty_term_has(tty->term, TTYC_SETAB))
2072: goto fallback_256;
2073: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2074: }
2075: return (0);
1.188 nicm 2076: }
1.204 nicm 2077: goto fallback_256;
2078: }
2079:
2080: if (colour & COLOUR_FLAG_RGB) {
1.286 nicm 2081: if (*type == '3') {
2082: if (!tty_term_has(tty->term, TTYC_SETRGBF))
2083: return (-1);
2084: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
2085: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
2086: } else {
2087: if (!tty_term_has(tty->term, TTYC_SETRGBB))
2088: return (-1);
2089: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
2090: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
2091: }
1.165 nicm 2092: return (0);
2093: }
1.61 nicm 2094:
1.165 nicm 2095: return (-1);
1.188 nicm 2096:
1.204 nicm 2097: fallback_256:
2098: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.188 nicm 2099: tty_puts(tty, s);
2100: return (0);
1.176 nicm 2101: }
2102:
1.207 nicm 2103: static void
1.176 nicm 2104: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
2105: {
1.203 nicm 2106: struct window *w = wp->window;
2107: struct options *oo = w->options;
2108: const struct grid_cell *agc, *pgc, *wgc;
1.223 nicm 2109: int c;
1.203 nicm 2110:
2111: if (w->flags & WINDOW_STYLECHANGED) {
2112: w->flags &= ~WINDOW_STYLECHANGED;
2113: agc = options_get_style(oo, "window-active-style");
2114: memcpy(&w->active_style, agc, sizeof w->active_style);
2115: wgc = options_get_style(oo, "window-style");
2116: memcpy(&w->style, wgc, sizeof w->style);
2117: } else {
2118: agc = &w->active_style;
2119: wgc = &w->style;
2120: }
1.176 nicm 2121: pgc = &wp->colgc;
2122:
1.204 nicm 2123: if (gc->fg == 8) {
2124: if (pgc->fg != 8)
1.176 nicm 2125: gc->fg = pgc->fg;
1.204 nicm 2126: else if (wp == w->active && agc->fg != 8)
1.176 nicm 2127: gc->fg = agc->fg;
1.204 nicm 2128: else
1.176 nicm 2129: gc->fg = wgc->fg;
1.219 nicm 2130:
1.223 nicm 2131: if (gc->fg != 8 &&
2132: (c = window_pane_get_palette(wp, gc->fg)) != -1)
2133: gc->fg = c;
1.176 nicm 2134: }
2135:
1.204 nicm 2136: if (gc->bg == 8) {
2137: if (pgc->bg != 8)
1.176 nicm 2138: gc->bg = pgc->bg;
1.204 nicm 2139: else if (wp == w->active && agc->bg != 8)
1.176 nicm 2140: gc->bg = agc->bg;
1.204 nicm 2141: else
1.176 nicm 2142: gc->bg = wgc->bg;
1.219 nicm 2143:
1.223 nicm 2144: if (gc->bg != 8 &&
2145: (c = window_pane_get_palette(wp, gc->bg)) != -1)
2146: gc->bg = c;
1.176 nicm 2147: }
1.210 nicm 2148: }
2149:
2150: static void
2151: tty_default_attributes(struct tty *tty, const struct window_pane *wp, u_int bg)
2152: {
2153: static struct grid_cell gc;
2154:
2155: memcpy(&gc, &grid_default_cell, sizeof gc);
2156: gc.bg = bg;
2157: tty_attributes(tty, &gc, wp);
1.1 nicm 2158: }
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