Annotation of src/usr.bin/tmux/tty.c, Revision 1.280
1.280 ! nicm 1: /* $OpenBSD: tty.c,v 1.279 2017/05/12 14:13:54 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:
1.90 nicm 74: #define tty_use_acs(tty) \
1.131 nicm 75: (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.212 nicm 76: #define tty_use_margin(tty) \
1.265 nicm 77: ((tty)->term_type == TTY_VT420)
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;
1.212 nicm 118:
1.1 nicm 119: tty->term_flags = 0;
1.212 nicm 120: tty->term_type = TTY_UNKNOWN;
1.185 nicm 121:
122: return (0);
1.31 nicm 123: }
124:
1.88 nicm 125: int
1.31 nicm 126: tty_resize(struct tty *tty)
127: {
1.258 nicm 128: struct client *c = tty->client;
129: struct winsize ws;
130: u_int sx, sy;
1.31 nicm 131:
132: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 133: sx = ws.ws_col;
134: if (sx == 0)
135: sx = 80;
136: sy = ws.ws_row;
137: if (sy == 0)
138: sy = 24;
139: } else {
140: sx = 80;
141: sy = 24;
1.31 nicm 142: }
1.258 nicm 143: log_debug("%s: %s now %ux%u", __func__, c->name, sx, sy);
144:
1.114 nicm 145: if (!tty_set_size(tty, sx, sy))
1.88 nicm 146: return (0);
1.242 nicm 147: tty_invalidate(tty);
1.114 nicm 148: return (1);
149: }
150:
151: int
1.212 nicm 152: tty_set_size(struct tty *tty, u_int sx, u_int sy)
153: {
1.114 nicm 154: if (sx == tty->sx && sy == tty->sy)
155: return (0);
156: tty->sx = sx;
157: tty->sy = sy;
1.88 nicm 158: return (1);
1.1 nicm 159: }
160:
1.244 nicm 161: static void
162: tty_read_callback(__unused int fd, __unused short events, void *data)
163: {
164: struct tty *tty = data;
1.258 nicm 165: struct client *c = tty->client;
1.244 nicm 166: size_t size = EVBUFFER_LENGTH(tty->in);
167: int nread;
168:
169: nread = evbuffer_read(tty->in, tty->fd, -1);
170: if (nread == -1)
171: return;
1.258 nicm 172: log_debug("%s: read %d bytes (already %zu)", c->name, nread, size);
1.244 nicm 173:
174: while (tty_keys_next(tty))
175: ;
176: }
177:
178: static void
1.266 nicm 179: tty_timer_callback(__unused int fd, __unused short events, void *data)
180: {
181: struct tty *tty = data;
182: struct client *c = tty->client;
183: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
184:
185: log_debug("%s: %zu discarded", c->name, tty->discarded);
186:
187: c->flags |= CLIENT_REDRAW;
188: c->discarded += tty->discarded;
189:
190: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
191: tty->flags &= ~TTY_BLOCK;
192: tty_invalidate(tty);
193: return;
194: }
195: tty->discarded = 0;
196: evtimer_add(&tty->timer, &tv);
197: }
198:
199: static int
200: tty_block_maybe(struct tty *tty)
201: {
202: struct client *c = tty->client;
203: size_t size = EVBUFFER_LENGTH(tty->out);
204: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
205:
206: if (size < TTY_BLOCK_START(tty))
207: return (0);
208:
209: if (tty->flags & TTY_BLOCK)
210: return (1);
211: tty->flags |= TTY_BLOCK;
212:
213: log_debug("%s: can't keep up, %zu discarded", c->name, size);
214:
215: evbuffer_drain(tty->out, size);
216: c->discarded += size;
217:
218: tty->discarded = 0;
219: evtimer_add(&tty->timer, &tv);
220: return (1);
221: }
222:
223: static void
1.244 nicm 224: tty_write_callback(__unused int fd, __unused short events, void *data)
225: {
1.246 nicm 226: struct tty *tty = data;
1.258 nicm 227: struct client *c = tty->client;
1.246 nicm 228: size_t size = EVBUFFER_LENGTH(tty->out);
229: int nwrite;
1.244 nicm 230:
231: nwrite = evbuffer_write(tty->out, tty->fd);
232: if (nwrite == -1)
233: return;
1.258 nicm 234: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 235:
1.270 nicm 236: if (c->redraw > 0) {
237: if ((size_t)nwrite >= c->redraw)
238: c->redraw = 0;
239: else
240: c->redraw -= nwrite;
241: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
242: c->redraw);
243: } else if (tty_block_maybe(tty))
1.266 nicm 244: return;
245:
1.247 nicm 246: if (EVBUFFER_LENGTH(tty->out) != 0)
247: event_add(&tty->event_out, NULL);
1.244 nicm 248: }
249:
1.1 nicm 250: int
1.166 nicm 251: tty_open(struct tty *tty, char **cause)
1.1 nicm 252: {
1.220 nicm 253: tty->term = tty_term_find(tty->term_name, tty->fd, cause);
1.21 nicm 254: if (tty->term == NULL) {
255: tty_close(tty);
256: return (-1);
257: }
258: tty->flags |= TTY_OPENED;
1.1 nicm 259:
1.266 nicm 260: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 261:
262: event_set(&tty->event_in, tty->fd, EV_PERSIST|EV_READ,
263: tty_read_callback, tty);
264: tty->in = evbuffer_new();
1.1 nicm 265:
1.244 nicm 266: event_set(&tty->event_out, tty->fd, EV_WRITE, tty_write_callback, tty);
267: tty->out = evbuffer_new();
1.1 nicm 268:
1.266 nicm 269: evtimer_set(&tty->timer, tty_timer_callback, tty);
270:
1.1 nicm 271: tty_start_tty(tty);
272:
1.148 nicm 273: tty_keys_build(tty);
1.1 nicm 274:
275: return (0);
276: }
277:
1.244 nicm 278: void
279: tty_start_tty(struct tty *tty)
1.1 nicm 280: {
1.128 nicm 281: struct termios tio;
1.33 nicm 282:
1.244 nicm 283: if (tty->fd != -1 && tcgetattr(tty->fd, &tty->tio) == 0) {
284: setblocking(tty->fd, 0);
285: event_add(&tty->event_in, NULL);
286:
287: memcpy(&tio, &tty->tio, sizeof tio);
288: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
289: tio.c_iflag |= IGNBRK;
290: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
291: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
292: ECHOPRT|ECHOKE|ISIG);
293: tio.c_cc[VMIN] = 1;
294: tio.c_cc[VTIME] = 0;
295: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
296: tcflush(tty->fd, TCIOFLUSH);
297: }
1.1 nicm 298:
1.10 nicm 299: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 300:
1.252 nicm 301: tty_putcode(tty, TTYC_SMKX);
1.90 nicm 302: if (tty_use_acs(tty))
303: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 304: tty_putcode(tty, TTYC_CLEAR);
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));
1.90 nicm 354: if (tty_use_acs(tty))
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
1.107 nicm 473: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
474: {
475: if (a != NULL)
476: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
477: }
478:
479: void
1.167 nicm 480: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
481: const void *b)
1.106 nicm 482: {
483: if (a != NULL && b != NULL)
484: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
485: }
486:
1.243 nicm 487: static void
488: tty_add(struct tty *tty, const char *buf, size_t len)
489: {
1.258 nicm 490: struct client *c = tty->client;
491:
1.266 nicm 492: if (tty->flags & TTY_BLOCK) {
493: tty->discarded += len;
494: return;
495: }
496:
1.244 nicm 497: evbuffer_add(tty->out, buf, len);
1.270 nicm 498: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 499: c->written += len;
1.243 nicm 500:
501: if (tty_log_fd != -1)
502: write(tty_log_fd, buf, len);
1.244 nicm 503: if (tty->flags & TTY_STARTED)
504: event_add(&tty->event_out, NULL);
1.243 nicm 505: }
506:
1.106 nicm 507: void
1.1 nicm 508: tty_puts(struct tty *tty, const char *s)
509: {
1.243 nicm 510: if (*s != '\0')
511: tty_add(tty, s, strlen(s));
1.1 nicm 512: }
513:
514: void
515: tty_putc(struct tty *tty, u_char ch)
516: {
1.90 nicm 517: const char *acs;
1.1 nicm 518:
1.90 nicm 519: if (tty->cell.attr & GRID_ATTR_CHARSET) {
520: acs = tty_acs_get(tty, ch);
1.243 nicm 521: if (acs != NULL)
522: tty_add(tty, acs, strlen(acs));
523: else
524: tty_add(tty, &ch, 1);
525: } else
526: tty_add(tty, &ch, 1);
1.1 nicm 527:
528: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 529: if (tty->cx >= tty->sx) {
1.46 nicm 530: tty->cx = 1;
531: if (tty->cy != tty->rlower)
532: tty->cy++;
1.211 nicm 533:
534: /*
535: * On !xenl terminals, force the cursor position to
536: * where we think it should be after a line wrap - this
537: * means it works on sensible terminals as well.
538: */
539: if (tty->term->flags & TERM_EARLYWRAP)
540: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 541: } else
542: tty->cx++;
543: }
544: }
545:
546: void
1.147 nicm 547: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 548: {
1.243 nicm 549: tty_add(tty, buf, len);
1.268 nicm 550: if (tty->cx + width > tty->sx) {
551: tty->cx = (tty->cx + width) - tty->sx;
552: if (tty->cx <= tty->sx)
553: tty->cy++;
554: else
555: tty->cx = tty->cy = UINT_MAX;
556: } else
1.254 nicm 557: tty->cx += width;
1.5 nicm 558: }
559:
1.207 nicm 560: static void
1.180 nicm 561: tty_set_italics(struct tty *tty)
562: {
563: const char *s;
564:
565: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 566: s = options_get_string(global_options, "default-terminal");
1.180 nicm 567: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
568: tty_putcode(tty, TTYC_SITM);
569: return;
570: }
571: }
572: tty_putcode(tty, TTYC_SMSO);
573: }
574:
575: void
1.1 nicm 576: tty_set_title(struct tty *tty, const char *title)
577: {
1.105 nicm 578: if (!tty_term_has(tty->term, TTYC_TSL) ||
579: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 580: return;
581:
1.105 nicm 582: tty_putcode(tty, TTYC_TSL);
1.1 nicm 583: tty_puts(tty, title);
1.105 nicm 584: tty_putcode(tty, TTYC_FSL);
1.1 nicm 585: }
586:
1.208 nicm 587: static void
1.107 nicm 588: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
589: {
590: if (*ccolour == '\0')
591: tty_putcode(tty, TTYC_CR);
592: else
1.160 nicm 593: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 594: free(tty->ccolour);
1.107 nicm 595: tty->ccolour = xstrdup(ccolour);
596: }
597:
598: void
599: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 600: {
601: int changed;
602:
1.197 nicm 603: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 604: tty_force_cursor_colour(tty, s->ccolour);
605:
1.1 nicm 606: if (tty->flags & TTY_NOCURSOR)
607: mode &= ~MODE_CURSOR;
608:
609: changed = mode ^ tty->mode;
1.183 nicm 610: if (changed & MODE_BLINKING) {
611: if (tty_term_has(tty->term, TTYC_CVVIS))
612: tty_putcode(tty, TTYC_CVVIS);
613: else
614: tty_putcode(tty, TTYC_CNORM);
615: changed |= MODE_CURSOR;
616: }
617: if (changed & MODE_CURSOR) {
618: if (mode & MODE_CURSOR)
619: tty_putcode(tty, TTYC_CNORM);
620: else
1.1 nicm 621: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 622: }
1.181 nicm 623: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 624: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 625: if (s->cstyle == 0 &&
1.160 nicm 626: tty_term_has(tty->term, TTYC_SE))
627: tty_putcode(tty, TTYC_SE);
1.108 nicm 628: else
1.160 nicm 629: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 630: }
631: tty->cstyle = s->cstyle;
1.1 nicm 632: }
1.195 nicm 633: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 634: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 635: /*
636: * Enable the SGR (1006) extension unconditionally, as
1.221 nicm 637: * it is safe from misinterpretation.
1.153 nicm 638: */
639: tty_puts(tty, "\033[?1006h");
1.225 nicm 640: if (mode & MODE_MOUSE_ALL)
641: tty_puts(tty, "\033[?1003h");
642: else if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 643: tty_puts(tty, "\033[?1002h");
1.98 nicm 644: else if (mode & MODE_MOUSE_STANDARD)
645: tty_puts(tty, "\033[?1000h");
1.86 nicm 646: } else {
1.225 nicm 647: if (tty->mode & MODE_MOUSE_ALL)
648: tty_puts(tty, "\033[?1003l");
649: else if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 650: tty_puts(tty, "\033[?1002l");
1.98 nicm 651: else if (tty->mode & MODE_MOUSE_STANDARD)
652: tty_puts(tty, "\033[?1000l");
1.153 nicm 653: tty_puts(tty, "\033[?1006l");
1.86 nicm 654: }
1.115 nicm 655: }
656: if (changed & MODE_BRACKETPASTE) {
657: if (mode & MODE_BRACKETPASTE)
658: tty_puts(tty, "\033[?2004h");
659: else
660: tty_puts(tty, "\033[?2004l");
1.1 nicm 661: }
662: tty->mode = mode;
663: }
664:
1.207 nicm 665: static void
1.168 nicm 666: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
667: enum tty_code_code code1, u_int n)
1.1 nicm 668: {
669: if (tty_term_has(tty->term, code))
670: tty_putcode1(tty, code, n);
671: else {
672: while (n-- > 0)
673: tty_putcode(tty, code1);
674: }
675: }
676:
1.207 nicm 677: static void
1.133 nicm 678: tty_repeat_space(struct tty *tty, u_int n)
679: {
1.257 nicm 680: static char s[500];
681:
682: if (*s != ' ')
683: memset(s, ' ', sizeof s);
684:
685: while (n > sizeof s) {
686: tty_putn(tty, s, sizeof s, sizeof s);
687: n -= sizeof s;
688: }
689: if (n != 0)
690: tty_putn(tty, s, n, n);
1.133 nicm 691: }
692:
1.1 nicm 693: /*
1.119 nicm 694: * Is the region large enough to be worth redrawing once later rather than
695: * probably several times now? Currently yes if it is more than 50% of the
696: * pane.
697: */
1.207 nicm 698: static int
1.194 nicm 699: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 700: {
701: struct window_pane *wp = ctx->wp;
702:
703: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
704: }
705:
706: /*
1.176 nicm 707: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
708: * emulated.
709: */
1.207 nicm 710: static int
1.210 nicm 711: tty_fake_bce(const struct tty *tty, const struct window_pane *wp, u_int bg)
1.176 nicm 712: {
713: struct grid_cell gc;
714:
1.210 nicm 715: if (tty_term_flag(tty->term, TTYC_BCE))
716: return (0);
717:
1.176 nicm 718: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 719: if (wp != NULL)
720: tty_default_colours(&gc, wp);
1.176 nicm 721:
1.210 nicm 722: if (bg != 8 || gc.bg != 8)
723: return (1);
724: return (0);
1.176 nicm 725: }
726:
727: /*
1.1 nicm 728: * Redraw scroll region using data from screen (already updated). Used when
729: * CSR not supported, or window is a pane that doesn't take up the full
730: * width of the terminal.
731: */
1.207 nicm 732: static void
1.24 nicm 733: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 734: {
1.14 nicm 735: struct window_pane *wp = ctx->wp;
736: struct screen *s = wp->screen;
1.204 nicm 737: u_int i;
1.1 nicm 738:
739: /*
1.119 nicm 740: * If region is large, schedule a window redraw. In most cases this is
741: * likely to be followed by some more scrolling.
1.1 nicm 742: */
1.119 nicm 743: if (tty_large_region(tty, ctx)) {
1.1 nicm 744: wp->flags |= PANE_REDRAW;
745: return;
746: }
747:
1.14 nicm 748: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
749: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176 nicm 750: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 751: } else {
1.14 nicm 752: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176 nicm 753: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 754: }
755: }
756:
1.271 nicm 757: static void
758: tty_clear_line(struct tty *tty, const struct window_pane *wp, u_int py,
759: u_int px, u_int nx, u_int bg)
760: {
761: log_debug("%s: %u at %u,%u", __func__, nx, px, py);
762:
763: /* Nothing to clear. */
764: if (nx == 0)
765: return;
766:
767: /* If genuine BCE is available, can try escape sequences. */
768: if (!tty_fake_bce(tty, wp, bg)) {
769: /* Off the end of the line, use EL if available. */
770: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
771: tty_cursor(tty, px, py);
772: tty_putcode(tty, TTYC_EL);
773: return;
774: }
775:
776: /* At the start of the line. Use EL1. */
777: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
778: tty_cursor(tty, px + nx - 1, py);
779: tty_putcode(tty, TTYC_EL1);
780: return;
781: }
782:
783: /* Section of line. Use ECH if possible. */
784: if (tty_term_has(tty->term, TTYC_ECH)) {
785: tty_cursor(tty, px, py);
786: tty_putcode1(tty, TTYC_ECH, nx);
787: return;
788: }
789: }
790:
791: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 792: tty_cursor(tty, px, py);
1.271 nicm 793: tty_repeat_space(tty, nx);
794: }
795:
796: static void
797: tty_clear_area(struct tty *tty, const struct window_pane *wp, u_int py,
798: u_int ny, u_int px, u_int nx, u_int bg)
799: {
800: u_int yy;
1.274 nicm 801: char tmp[64];
1.271 nicm 802:
803: log_debug("%s: %u,%u at %u,%u", __func__, nx, ny, px, py);
804:
805: /* Nothing to clear. */
806: if (nx == 0 || ny == 0)
807: return;
808:
809: /* If genuine BCE is available, can try escape sequences. */
810: if (!tty_fake_bce(tty, wp, bg)) {
1.276 nicm 811: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 812: if (px == 0 &&
813: px + nx >= tty->sx &&
814: py + ny >= tty->sy &&
815: tty_term_has(tty->term, TTYC_ED)) {
816: tty_cursor(tty, 0, py);
817: tty_putcode(tty, TTYC_ED);
1.274 nicm 818: return;
819: }
820:
821: /*
1.276 nicm 822: * On VT420 compatible terminals we can use DECFRA if the
823: * background colour isn't default (because it doesn't work
824: * after SGR 0).
1.274 nicm 825: */
826: if (tty->term_type == TTY_VT420 && bg != 8) {
827: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
828: py + 1, px + 1, py + ny, px + nx);
829: tty_puts(tty, tmp);
1.276 nicm 830: return;
831: }
832:
1.280 ! nicm 833: /* Full lines can be scrolled away to clear them. */
! 834: if (px == 0 &&
! 835: px + nx > tty->sx &&
! 836: ny > 2 &&
! 837: tty_term_has(tty->term, TTYC_CSR) &&
! 838: tty_term_has(tty->term, TTYC_INDN)) {
! 839: tty_region(tty, py, py + ny - 1);
! 840: tty_margin_off(tty);
! 841: tty_putcode1(tty, TTYC_INDN, ny);
! 842: return;
! 843: }
! 844:
1.276 nicm 845: /*
846: * If margins are supported, can just scroll the area off to
847: * clear it.
848: */
1.277 nicm 849: if (nx > 2 &&
850: ny > 2 &&
1.280 ! nicm 851: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 852: tty_use_margin(tty) &&
853: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 854: tty_region(tty, py, py + ny - 1);
855: tty_margin(tty, px, px + nx - 1);
856: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 857: return;
858: }
859: }
860:
861: /* Couldn't use an escape sequence, loop over the lines. */
862: for (yy = py; yy < py + ny; yy++)
863: tty_clear_line(tty, wp, yy, px, nx, bg);
864: }
865:
1.1 nicm 866: void
1.176 nicm 867: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
868: u_int oy)
869: {
870: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
871: }
872:
873: void
874: tty_draw_line(struct tty *tty, const struct window_pane *wp,
875: struct screen *s, u_int py, u_int ox, u_int oy)
1.1 nicm 876: {
1.250 nicm 877: struct grid_cell gc, last;
1.271 nicm 878: u_int i, j, sx, nx, width;
1.259 nicm 879: int flags, cleared = 0;
1.250 nicm 880: char buf[512];
881: size_t len;
1.1 nicm 882:
1.259 nicm 883: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 884: tty->flags |= TTY_NOCURSOR;
885: tty_update_mode(tty, tty->mode, s);
1.35 nicm 886:
1.214 nicm 887: tty_region_off(tty);
888: tty_margin_off(tty);
889:
1.273 nicm 890: /*
891: * Clamp the width to cellsize - note this is not cellused, because
892: * there may be empty background cells after it (from BCE).
893: */
1.1 nicm 894: sx = screen_size_x(s);
1.273 nicm 895: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
896: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 897: if (sx > tty->sx)
898: sx = tty->sx;
899:
1.268 nicm 900: if (wp == NULL ||
901: py == 0 ||
902: (~s->grid->linedata[s->grid->hsize + py - 1].flags & GRID_LINE_WRAPPED) ||
903: ox != 0 ||
904: tty->cx < tty->sx ||
905: screen_size_x(s) < tty->sx) {
906: if (screen_size_x(s) < tty->sx &&
907: ox == 0 &&
908: sx != screen_size_x(s) &&
909: tty_term_has(tty->term, TTYC_EL1) &&
910: !tty_fake_bce(tty, wp, 8)) {
911: tty_default_attributes(tty, wp, 8);
912: tty_cursor(tty, screen_size_x(s) - 1, oy + py);
913: tty_putcode(tty, TTYC_EL1);
914: cleared = 1;
915: }
916: if (sx != 0)
917: tty_cursor(tty, ox, oy + py);
918: } else
919: log_debug("%s: wrapped line %u", __func__, oy + py);
1.250 nicm 920:
921: memcpy(&last, &grid_default_cell, sizeof last);
922: len = 0;
923: width = 0;
1.46 nicm 924:
1.1 nicm 925: for (i = 0; i < sx; i++) {
1.193 nicm 926: grid_view_get_cell(s->grid, i, py, &gc);
1.250 nicm 927: if (len != 0 &&
1.251 nicm 928: (((~tty->flags & TTY_UTF8) &&
929: (gc.data.size != 1 ||
930: *gc.data.data >= 0x7f ||
931: gc.data.width != 1)) ||
932: (gc.attr & GRID_ATTR_CHARSET) ||
1.250 nicm 933: gc.flags != last.flags ||
934: gc.attr != last.attr ||
935: gc.fg != last.fg ||
936: gc.bg != last.bg ||
937: (sizeof buf) - len < gc.data.size)) {
938: tty_attributes(tty, &last, wp);
939: tty_putn(tty, buf, len, width);
940:
941: len = 0;
942: width = 0;
943: }
944:
945: if (gc.flags & GRID_FLAG_SELECTED)
946: screen_select_cell(s, &last, &gc);
947: else
948: memcpy(&last, &gc, sizeof last);
1.251 nicm 949: if (((~tty->flags & TTY_UTF8) &&
950: (gc.data.size != 1 ||
951: *gc.data.data >= 0x7f ||
952: gc.data.width != 1)) ||
953: (gc.attr & GRID_ATTR_CHARSET)) {
1.250 nicm 954: tty_attributes(tty, &last, wp);
1.251 nicm 955: if (~tty->flags & TTY_UTF8) {
956: for (j = 0; j < gc.data.width; j++)
957: tty_putc(tty, '_');
958: } else {
959: for (j = 0; j < gc.data.size; j++)
960: tty_putc(tty, gc.data.data[j]);
961: }
1.250 nicm 962: } else {
963: memcpy(buf + len, gc.data.data, gc.data.size);
964: len += gc.data.size;
965: width += gc.data.width;
966: }
967: }
968: if (len != 0) {
969: tty_attributes(tty, &last, wp);
970: tty_putn(tty, buf, len, width);
1.1 nicm 971: }
972:
1.271 nicm 973: nx = screen_size_x(s) - sx;
974: if (!cleared && sx < tty->sx && nx != 0) {
1.210 nicm 975: tty_default_attributes(tty, wp, 8);
1.271 nicm 976: tty_clear_line(tty, wp, oy + py, ox + sx, nx, 8);
1.35 nicm 977: }
1.1 nicm 978:
1.181 nicm 979: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 980: tty_update_mode(tty, tty->mode, s);
1.15 nicm 981: }
982:
1.201 nicm 983: static int
1.182 nicm 984: tty_client_ready(struct client *c, struct window_pane *wp)
985: {
986: if (c->session == NULL || c->tty.term == NULL)
987: return (0);
1.244 nicm 988: if (c->flags & (CLIENT_REDRAW|CLIENT_SUSPENDED))
1.182 nicm 989: return (0);
990: if (c->tty.flags & TTY_FREEZE)
991: return (0);
992: if (c->session->curw->window != wp->window)
993: return (0);
994: return (1);
995: }
996:
1.15 nicm 997: void
1.182 nicm 998: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
999: struct tty_ctx *ctx)
1.15 nicm 1000: {
1001: struct window_pane *wp = ctx->wp;
1002: struct client *c;
1003:
1.75 nicm 1004: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 1005: if (wp == NULL)
1006: return;
1007:
1.260 nicm 1008: if ((wp->flags & (PANE_REDRAW|PANE_DROP)) || !window_pane_visible(wp))
1.15 nicm 1009: return;
1010:
1.178 nicm 1011: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 1012: if (!tty_client_ready(c, wp))
1.15 nicm 1013: continue;
1014:
1.139 nicm 1015: ctx->xoff = wp->xoff;
1016: ctx->yoff = wp->yoff;
1017: if (status_at_line(c) == 0)
1018: ctx->yoff++;
1.113 nicm 1019:
1.139 nicm 1020: cmdfn(&c->tty, ctx);
1.1 nicm 1021: }
1022: }
1023:
1024: void
1.24 nicm 1025: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1026: {
1.77 nicm 1027: struct window_pane *wp = ctx->wp;
1.1 nicm 1028:
1.210 nicm 1029: if (!tty_pane_full_width(tty, ctx) ||
1030: tty_fake_bce(tty, wp, ctx->bg) ||
1031: (!tty_term_has(tty->term, TTYC_ICH) &&
1032: !tty_term_has(tty->term, TTYC_ICH1))) {
1.176 nicm 1033: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 1034: return;
1035: }
1036:
1.210 nicm 1037: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1038:
1.77 nicm 1039: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1040:
1.206 nicm 1041: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1042: }
1043:
1044: void
1.24 nicm 1045: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1046: {
1.77 nicm 1047: struct window_pane *wp = ctx->wp;
1.1 nicm 1048:
1.210 nicm 1049: if (!tty_pane_full_width(tty, ctx) ||
1050: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 1051: (!tty_term_has(tty->term, TTYC_DCH) &&
1052: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 1053: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 1054: return;
1055: }
1056:
1.210 nicm 1057: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1058:
1.77 nicm 1059: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1060:
1.206 nicm 1061: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1062: }
1063:
1064: void
1065: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1066: {
1.275 nicm 1067: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.146 nicm 1068:
1069: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1070:
1.210 nicm 1071: if (tty_term_has(tty->term, TTYC_ECH) &&
1.262 nicm 1072: !tty_fake_bce(tty, ctx->wp, 8))
1.146 nicm 1073: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1074: else
1075: tty_repeat_space(tty, ctx->num);
1.1 nicm 1076: }
1077:
1078: void
1.24 nicm 1079: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1080: {
1.210 nicm 1081: if (!tty_pane_full_width(tty, ctx) ||
1082: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 1083: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 1084: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 1085: tty_redraw_region(tty, ctx);
1.1 nicm 1086: return;
1087: }
1088:
1.210 nicm 1089: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1090:
1.77 nicm 1091: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1092: tty_margin_off(tty);
1.77 nicm 1093: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1094:
1.12 nicm 1095: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1096: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1097: }
1098:
1099: void
1.24 nicm 1100: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1101: {
1.210 nicm 1102: if (!tty_pane_full_width(tty, ctx) ||
1103: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 1104: !tty_term_has(tty->term, TTYC_CSR) ||
1105: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 1106: tty_redraw_region(tty, ctx);
1.1 nicm 1107: return;
1108: }
1109:
1.210 nicm 1110: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1111:
1.77 nicm 1112: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1113: tty_margin_off(tty);
1.77 nicm 1114: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1115:
1.12 nicm 1116: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1117: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1118: }
1119:
1120: void
1.24 nicm 1121: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1122: {
1.77 nicm 1123: struct window_pane *wp = ctx->wp;
1.271 nicm 1124: u_int nx, py = ctx->yoff + ctx->ocy;
1.1 nicm 1125:
1.210 nicm 1126: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1127:
1.271 nicm 1128: nx = screen_size_x(wp->screen);
1129: tty_clear_line(tty, wp, py, ctx->xoff, nx, ctx->bg);
1.1 nicm 1130: }
1131:
1132: void
1.24 nicm 1133: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1134: {
1.77 nicm 1135: struct window_pane *wp = ctx->wp;
1.271 nicm 1136: u_int nx, py = ctx->yoff + ctx->ocy;
1.1 nicm 1137:
1.210 nicm 1138: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1139:
1.271 nicm 1140: nx = screen_size_x(wp->screen) - ctx->ocx;
1141: tty_clear_line(tty, wp, py, ctx->xoff + ctx->ocx, nx, ctx->bg);
1.1 nicm 1142: }
1143:
1144: void
1.24 nicm 1145: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1146: {
1.210 nicm 1147: struct window_pane *wp = ctx->wp;
1.271 nicm 1148: u_int nx, py = ctx->yoff + ctx->ocy;
1.210 nicm 1149:
1150: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1151:
1.271 nicm 1152: nx = screen_size_x(wp->screen) - ctx->ocx;
1153: tty_clear_line(tty, wp, py, ctx->xoff, ctx->ocx + 1, ctx->bg);
1.1 nicm 1154: }
1155:
1156: void
1.24 nicm 1157: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1158: {
1.278 nicm 1159: struct window_pane *wp = ctx->wp;
1160:
1.56 nicm 1161: if (ctx->ocy != ctx->orupper)
1162: return;
1163:
1.210 nicm 1164: if (!tty_pane_full_width(tty, ctx) ||
1.278 nicm 1165: tty_fake_bce(tty, wp, 8) ||
1.70 nicm 1166: !tty_term_has(tty->term, TTYC_CSR) ||
1167: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 1168: tty_redraw_region(tty, ctx);
1.1 nicm 1169: return;
1170: }
1171:
1.278 nicm 1172: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1173:
1.56 nicm 1174: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1175: tty_margin_off(tty);
1.56 nicm 1176: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1177:
1.56 nicm 1178: tty_putcode(tty, TTYC_RI);
1.1 nicm 1179: }
1180:
1181: void
1.24 nicm 1182: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1183: {
1.77 nicm 1184: struct window_pane *wp = ctx->wp;
1.1 nicm 1185:
1.56 nicm 1186: if (ctx->ocy != ctx->orlower)
1187: return;
1188:
1.212 nicm 1189: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1190: tty_fake_bce(tty, wp, 8) ||
1.1 nicm 1191: !tty_term_has(tty->term, TTYC_CSR)) {
1.236 nicm 1192: tty_redraw_region(tty, ctx);
1.1 nicm 1193: return;
1194: }
1.52 nicm 1195:
1.278 nicm 1196: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1197:
1.56 nicm 1198: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1199: tty_margin_pane(tty, ctx);
1200:
1201: /*
1202: * If we want to wrap a pane, the cursor needs to be exactly on the
1203: * right of the region. But if the pane isn't on the right, it may be
1204: * off the edge - if so, move the cursor back to the right.
1205: */
1206: if (ctx->xoff + ctx->ocx > tty->rright)
1.216 nicm 1207: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1.212 nicm 1208: else
1209: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1210:
1.56 nicm 1211: tty_putc(tty, '\n');
1.240 nicm 1212: }
1213:
1214: void
1215: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1216: {
1217: struct window_pane *wp = ctx->wp;
1.269 nicm 1218: u_int i, lines;
1.240 nicm 1219:
1220: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1221: tty_fake_bce(tty, wp, 8) ||
1.240 nicm 1222: !tty_term_has(tty->term, TTYC_CSR)) {
1223: tty_redraw_region(tty, ctx);
1224: return;
1225: }
1226:
1.278 nicm 1227: tty_default_attributes(tty, wp, ctx->bg);
1.240 nicm 1228:
1229: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1230: tty_margin_pane(tty, ctx);
1231:
1.269 nicm 1232: /*
1233: * Konsole has a bug where it will ignore SU if the parameter is more
1234: * than the height of the scroll region. Clamping the parameter doesn't
1235: * hurt in any case.
1236: */
1237: lines = tty->rlower - tty->rupper;
1238: if (lines > ctx->num)
1239: lines = ctx->num;
1240:
1241: if (lines == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.241 nicm 1242: tty_cursor(tty, tty->rright, tty->rlower);
1.269 nicm 1243: for (i = 0; i < lines; i++)
1.240 nicm 1244: tty_putc(tty, '\n');
1245: } else
1.269 nicm 1246: tty_putcode1(tty, TTYC_INDN, lines);
1.1 nicm 1247: }
1248:
1249: void
1.24 nicm 1250: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1251: {
1.77 nicm 1252: struct window_pane *wp = ctx->wp;
1.271 nicm 1253: u_int px, py, nx, ny;
1.1 nicm 1254:
1.210 nicm 1255: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1256:
1.271 nicm 1257: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1258: tty_margin_off(tty);
1.39 nicm 1259:
1.271 nicm 1260: px = ctx->xoff;
1261: nx = screen_size_x(wp->screen);
1262: py = ctx->yoff + ctx->ocy + 1;
1263: ny = screen_size_y(wp->screen) - ctx->ocy - 1;
1264:
1265: tty_clear_area(tty, wp, py, ny, px, nx, ctx->bg);
1266:
1267: px = ctx->xoff + ctx->ocx;
1268: nx = screen_size_x(wp->screen) - ctx->ocx;
1269: py = ctx->yoff + ctx->ocy;
1270:
1271: tty_clear_line(tty, wp, py, px, nx, ctx->bg);
1.1 nicm 1272: }
1273:
1274: void
1.24 nicm 1275: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1276: {
1.77 nicm 1277: struct window_pane *wp = ctx->wp;
1.271 nicm 1278: u_int px, py, nx, ny;
1.1 nicm 1279:
1.227 nicm 1280: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1281:
1.271 nicm 1282: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1283: tty_margin_off(tty);
1.39 nicm 1284:
1.271 nicm 1285: px = ctx->xoff;
1286: nx = screen_size_x(wp->screen);
1287: py = ctx->yoff;
1288: ny = ctx->ocy - 1;
1289:
1290: tty_clear_area(tty, wp, py, ny, px, nx, ctx->bg);
1291:
1292: px = ctx->xoff;
1293: nx = ctx->ocx + 1;
1294: py = ctx->yoff + ctx->ocy;
1295:
1296: tty_clear_line(tty, wp, py, px, nx, ctx->bg);
1.1 nicm 1297: }
1298:
1299: void
1.24 nicm 1300: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1301: {
1.77 nicm 1302: struct window_pane *wp = ctx->wp;
1.271 nicm 1303: u_int px, py, nx, ny;
1.1 nicm 1304:
1.210 nicm 1305: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1306:
1.271 nicm 1307: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1308: tty_margin_off(tty);
1.39 nicm 1309:
1.271 nicm 1310: px = ctx->xoff;
1311: nx = screen_size_x(wp->screen);
1312: py = ctx->yoff;
1313: ny = screen_size_y(wp->screen);
1314:
1315: tty_clear_area(tty, wp, py, ny, px, nx, ctx->bg);
1.4 nicm 1316: }
1317:
1318: void
1.24 nicm 1319: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1320: {
1.12 nicm 1321: struct window_pane *wp = ctx->wp;
1322: struct screen *s = wp->screen;
1323: u_int i, j;
1.4 nicm 1324:
1.176 nicm 1325: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1326:
1.39 nicm 1327: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1328: tty_margin_off(tty);
1.4 nicm 1329:
1330: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1331: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1332: for (i = 0; i < screen_size_x(s); i++)
1333: tty_putc(tty, 'E');
1.1 nicm 1334: }
1335: }
1336:
1337: void
1.24 nicm 1338: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1339: {
1.222 nicm 1340: if (ctx->xoff + ctx->ocx > tty->sx - 1 && ctx->ocy == ctx->orlower) {
1341: if (tty_pane_full_width(tty, ctx))
1342: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1343: else
1344: tty_margin_off(tty);
1345: }
1.46 nicm 1346:
1.253 nicm 1347: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1348:
1.237 nicm 1349: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1350: }
1351:
1352: void
1353: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1354: {
1.253 nicm 1355: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1356:
1357: tty_attributes(tty, ctx->cell, ctx->wp);
1358: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1359: }
1360:
1361: void
1362: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1363: {
1364: char *buf;
1365: size_t off;
1366:
1367: if (!tty_term_has(tty->term, TTYC_MS))
1368: return;
1369:
1370: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1371: buf = xmalloc(off);
1372:
1373: b64_ntop(ctx->ptr, ctx->num, buf, off);
1374: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1375:
1.138 nicm 1376: free(buf);
1.100 nicm 1377: }
1378:
1379: void
1380: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1381: {
1.256 nicm 1382: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1383: tty_invalidate(tty);
1.1 nicm 1384: }
1385:
1.207 nicm 1386: static void
1.176 nicm 1387: tty_cell(struct tty *tty, const struct grid_cell *gc,
1388: const struct window_pane *wp)
1.1 nicm 1389: {
1.193 nicm 1390: u_int i;
1.1 nicm 1391:
1392: /* Skip last character if terminal is stupid. */
1.211 nicm 1393: if ((tty->term->flags & TERM_EARLYWRAP) &&
1394: tty->cy == tty->sy - 1 &&
1395: tty->cx == tty->sx - 1)
1.1 nicm 1396: return;
1397:
1398: /* If this is a padding character, do nothing. */
1399: if (gc->flags & GRID_FLAG_PADDING)
1400: return;
1401:
1402: /* Set the attributes. */
1.176 nicm 1403: tty_attributes(tty, gc, wp);
1.1 nicm 1404:
1.147 nicm 1405: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.193 nicm 1406: if (gc->data.size == 1) {
1407: if (*gc->data.data < 0x20 || *gc->data.data == 0x7f)
1.1 nicm 1408: return;
1.193 nicm 1409: tty_putc(tty, *gc->data.data);
1.1 nicm 1410: return;
1411: }
1412:
1.147 nicm 1413: /* If not UTF-8, write _. */
1.1 nicm 1414: if (!(tty->flags & TTY_UTF8)) {
1.193 nicm 1415: for (i = 0; i < gc->data.width; i++)
1.1 nicm 1416: tty_putc(tty, '_');
1417: return;
1418: }
1419:
1.147 nicm 1420: /* Write the data. */
1.193 nicm 1421: tty_putn(tty, gc->data.data, gc->data.size, gc->data.width);
1.1 nicm 1422: }
1423:
1424: void
1425: tty_reset(struct tty *tty)
1426: {
1427: struct grid_cell *gc = &tty->cell;
1428:
1.228 nicm 1429: if (!grid_cells_equal(gc, &grid_default_cell)) {
1430: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1431: tty_putcode(tty, TTYC_RMACS);
1432: tty_putcode(tty, TTYC_SGR0);
1433: memcpy(gc, &grid_default_cell, sizeof *gc);
1434: }
1.1 nicm 1435:
1.228 nicm 1436: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1437: tty->last_wp = -1;
1.242 nicm 1438: }
1439:
1440: static void
1441: tty_invalidate(struct tty *tty)
1442: {
1443: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1444:
1445: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1446: tty->last_wp = -1;
1447:
1448: tty->cx = tty->cy = UINT_MAX;
1449:
1450: tty->rupper = tty->rleft = UINT_MAX;
1451: tty->rlower = tty->rright = UINT_MAX;
1452:
1453: if (tty->flags & TTY_STARTED) {
1454: tty_putcode(tty, TTYC_SGR0);
1455:
1456: tty->mode = ALL_MODES;
1457: tty_update_mode(tty, MODE_CURSOR, NULL);
1458:
1459: tty_cursor(tty, 0, 0);
1460: tty_region_off(tty);
1461: tty_margin_off(tty);
1462: } else
1463: tty->mode = MODE_CURSOR;
1.1 nicm 1464: }
1465:
1.214 nicm 1466: /* Turn off margin. */
1467: void
1468: tty_region_off(struct tty *tty)
1469: {
1470: tty_region(tty, 0, tty->sy - 1);
1471: }
1472:
1.40 nicm 1473: /* Set region inside pane. */
1.208 nicm 1474: static void
1.196 nicm 1475: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1476: u_int rlower)
1.1 nicm 1477: {
1.113 nicm 1478: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1479: }
1480:
1.40 nicm 1481: /* Set region at absolute position. */
1.214 nicm 1482: static void
1.40 nicm 1483: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1484: {
1485: if (tty->rlower == rlower && tty->rupper == rupper)
1486: return;
1.1 nicm 1487: if (!tty_term_has(tty->term, TTYC_CSR))
1488: return;
1.39 nicm 1489:
1490: tty->rupper = rupper;
1491: tty->rlower = rlower;
1.55 nicm 1492:
1493: /*
1494: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1495: * 0,0 if it is beyond the last column (they do not reset their wrap
1496: * flag so further output causes a line feed). As a workaround, do an
1497: * explicit move to 0 first.
1498: */
1499: if (tty->cx >= tty->sx)
1500: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1501:
1.39 nicm 1502: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 1503: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 1504: }
1505:
1.214 nicm 1506: /* Turn off margin. */
1507: void
1508: tty_margin_off(struct tty *tty)
1509: {
1510: tty_margin(tty, 0, tty->sx - 1);
1511: }
1512:
1.212 nicm 1513: /* Set margin inside pane. */
1514: static void
1515: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
1516: {
1517: tty_margin(tty, ctx->xoff, ctx->xoff + ctx->wp->sx - 1);
1518: }
1519:
1520: /* Set margin at absolute position. */
1.214 nicm 1521: static void
1.212 nicm 1522: tty_margin(struct tty *tty, u_int rleft, u_int rright)
1523: {
1524: char s[64];
1525:
1526: if (!tty_use_margin(tty))
1527: return;
1528: if (tty->rleft == rleft && tty->rright == rright)
1529: return;
1530:
1.232 nicm 1531: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 1532:
1.212 nicm 1533: tty->rleft = rleft;
1534: tty->rright = rright;
1535:
1.232 nicm 1536: if (rleft == 0 && rright == tty->sx - 1)
1537: snprintf(s, sizeof s, "\033[s");
1538: else
1539: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 1540: tty_puts(tty, s);
1.249 nicm 1541: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 1542: }
1543:
1544: /*
1545: * Move the cursor, unless it would wrap itself when the next character is
1546: * printed.
1547: */
1548: static void
1549: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
1550: u_int cx, u_int cy)
1551: {
1.268 nicm 1552: if (!ctx->wrapped ||
1553: !tty_pane_full_width(tty, ctx) ||
1.253 nicm 1554: (tty->term->flags & TERM_EARLYWRAP) ||
1555: ctx->xoff + cx != 0 ||
1556: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 1557: tty->cx < tty->sx ||
1558: tty->cy == tty->rlower)
1.253 nicm 1559: tty_cursor_pane(tty, ctx, cx, cy);
1560: else
1561: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 1562: }
1563:
1.42 nicm 1564: /* Move cursor inside pane. */
1.208 nicm 1565: static void
1.41 nicm 1566: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1567: {
1.113 nicm 1568: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1569: }
1570:
1.42 nicm 1571: /* Move cursor to absolute position. */
1.41 nicm 1572: void
1573: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1574: {
1.42 nicm 1575: struct tty_term *term = tty->term;
1576: u_int thisx, thisy;
1577: int change;
1.77 nicm 1578:
1.42 nicm 1579: if (cx > tty->sx - 1)
1580: cx = tty->sx - 1;
1581:
1582: thisx = tty->cx;
1583: thisy = tty->cy;
1584:
1585: /* No change. */
1586: if (cx == thisx && cy == thisy)
1587: return;
1588:
1.43 nicm 1589: /* Very end of the line, just use absolute movement. */
1590: if (thisx > tty->sx - 1)
1591: goto absolute;
1592:
1.42 nicm 1593: /* Move to home position (0, 0). */
1594: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1595: tty_putcode(tty, TTYC_HOME);
1596: goto out;
1597: }
1598:
1599: /* Zero on the next line. */
1.48 nicm 1600: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1601: tty_putc(tty, '\r');
1.42 nicm 1602: tty_putc(tty, '\n');
1603: goto out;
1604: }
1605:
1.45 nicm 1606: /* Moving column or row. */
1.42 nicm 1607: if (cy == thisy) {
1.45 nicm 1608: /*
1609: * Moving column only, row staying the same.
1610: */
1611:
1.42 nicm 1612: /* To left edge. */
1.202 nicm 1613: if (cx == 0) {
1.42 nicm 1614: tty_putc(tty, '\r');
1615: goto out;
1616: }
1617:
1618: /* One to the left. */
1619: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1620: tty_putcode(tty, TTYC_CUB1);
1621: goto out;
1622: }
1623:
1624: /* One to the right. */
1625: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1626: tty_putcode(tty, TTYC_CUF1);
1627: goto out;
1628: }
1629:
1630: /* Calculate difference. */
1631: change = thisx - cx; /* +ve left, -ve right */
1632:
1633: /*
1634: * Use HPA if change is larger than absolute, otherwise move
1635: * the cursor with CUB/CUF.
1636: */
1.87 nicm 1637: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1638: tty_putcode1(tty, TTYC_HPA, cx);
1639: goto out;
1640: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1.202 nicm 1641: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
1642: tty_putcode(tty, TTYC_CUB1);
1643: tty_putcode(tty, TTYC_CUB1);
1644: goto out;
1645: }
1.42 nicm 1646: tty_putcode1(tty, TTYC_CUB, change);
1647: goto out;
1648: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1649: tty_putcode1(tty, TTYC_CUF, -change);
1650: goto out;
1651: }
1.45 nicm 1652: } else if (cx == thisx) {
1653: /*
1654: * Moving row only, column staying the same.
1655: */
1.42 nicm 1656:
1657: /* One above. */
1.77 nicm 1658: if (thisy != tty->rupper &&
1.42 nicm 1659: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1660: tty_putcode(tty, TTYC_CUU1);
1661: goto out;
1662: }
1663:
1664: /* One below. */
1.49 nicm 1665: if (thisy != tty->rlower &&
1.42 nicm 1666: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1667: tty_putcode(tty, TTYC_CUD1);
1668: goto out;
1669: }
1670:
1671: /* Calculate difference. */
1672: change = thisy - cy; /* +ve up, -ve down */
1673:
1674: /*
1.77 nicm 1675: * Try to use VPA if change is larger than absolute or if this
1676: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1677: */
1.87 nicm 1678: if ((u_int) abs(change) > cy ||
1.42 nicm 1679: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1680: (change > 0 && cy - change < tty->rupper)) {
1681: if (tty_term_has(term, TTYC_VPA)) {
1682: tty_putcode1(tty, TTYC_VPA, cy);
1683: goto out;
1684: }
1.42 nicm 1685: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1686: tty_putcode1(tty, TTYC_CUU, change);
1687: goto out;
1688: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1689: tty_putcode1(tty, TTYC_CUD, -change);
1690: goto out;
1691: }
1692: }
1693:
1.43 nicm 1694: absolute:
1.42 nicm 1695: /* Absolute movement. */
1696: tty_putcode2(tty, TTYC_CUP, cy, cx);
1697:
1698: out:
1699: tty->cx = cx;
1700: tty->cy = cy;
1.1 nicm 1701: }
1702:
1703: void
1.176 nicm 1704: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1705: const struct window_pane *wp)
1.1 nicm 1706: {
1.63 nicm 1707: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 1708: int changed;
1.61 nicm 1709:
1.228 nicm 1710: /* Ignore cell if it is the same as the last one. */
1711: if (wp != NULL &&
1712: (int)wp->id == tty->last_wp &&
1713: ~(wp->window->flags & WINDOW_STYLECHANGED) &&
1714: gc->attr == tty->last_cell.attr &&
1715: gc->fg == tty->last_cell.fg &&
1716: gc->bg == tty->last_cell.bg)
1717: return;
1718: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
1719: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
1720:
1721: /* Copy cell and update default colours. */
1.85 nicm 1722: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 1723: if (wp != NULL)
1724: tty_default_colours(&gc2, wp);
1.63 nicm 1725:
1.18 nicm 1726: /*
1727: * If no setab, try to use the reverse attribute as a best-effort for a
1728: * non-default background. This is a bit of a hack but it doesn't do
1729: * any serious harm and makes a couple of applications happier.
1730: */
1731: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1732: if (gc2.attr & GRID_ATTR_REVERSE) {
1733: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1734: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1735: } else {
1.85 nicm 1736: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1737: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1738: }
1739: }
1.1 nicm 1740:
1.85 nicm 1741: /* Fix up the colours if necessary. */
1.219 nicm 1742: tty_check_fg(tty, wp, &gc2);
1743: tty_check_bg(tty, wp, &gc2);
1.85 nicm 1744:
1.64 nicm 1745: /* If any bits are being cleared, reset everything. */
1.85 nicm 1746: if (tc->attr & ~gc2.attr)
1.64 nicm 1747: tty_reset(tty);
1748:
1749: /*
1750: * Set the colours. This may call tty_reset() (so it comes next) and
1751: * may add to (NOT remove) the desired attributes by changing new_attr.
1752: */
1.85 nicm 1753: tty_colours(tty, &gc2);
1.64 nicm 1754:
1.1 nicm 1755: /* Filter out attribute bits already set. */
1.85 nicm 1756: changed = gc2.attr & ~tc->attr;
1757: tc->attr = gc2.attr;
1.1 nicm 1758:
1759: /* Set the attributes. */
1760: if (changed & GRID_ATTR_BRIGHT)
1761: tty_putcode(tty, TTYC_BOLD);
1762: if (changed & GRID_ATTR_DIM)
1763: tty_putcode(tty, TTYC_DIM);
1.180 nicm 1764: if (changed & GRID_ATTR_ITALICS)
1765: tty_set_italics(tty);
1.1 nicm 1766: if (changed & GRID_ATTR_UNDERSCORE)
1767: tty_putcode(tty, TTYC_SMUL);
1768: if (changed & GRID_ATTR_BLINK)
1769: tty_putcode(tty, TTYC_BLINK);
1770: if (changed & GRID_ATTR_REVERSE) {
1771: if (tty_term_has(tty->term, TTYC_REV))
1772: tty_putcode(tty, TTYC_REV);
1773: else if (tty_term_has(tty->term, TTYC_SMSO))
1774: tty_putcode(tty, TTYC_SMSO);
1775: }
1776: if (changed & GRID_ATTR_HIDDEN)
1777: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 1778: if (changed & GRID_ATTR_STRIKETHROUGH)
1779: tty_putcode(tty, TTYC_SMXX);
1.90 nicm 1780: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1781: tty_putcode(tty, TTYC_SMACS);
1782: }
1783:
1.207 nicm 1784: static void
1.85 nicm 1785: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1786: {
1.61 nicm 1787: struct grid_cell *tc = &tty->cell;
1.204 nicm 1788: int have_ax;
1.61 nicm 1789:
1790: /* No changes? Nothing is necessary. */
1.204 nicm 1791: if (gc->fg == tc->fg && gc->bg == tc->bg)
1.63 nicm 1792: return;
1.1 nicm 1793:
1.61 nicm 1794: /*
1795: * Is either the default colour? This is handled specially because the
1796: * best solution might be to reset both colours to default, in which
1797: * case if only one is default need to fall onward to set the other
1798: * colour.
1799: */
1.204 nicm 1800: if (gc->fg == 8 || gc->bg == 8) {
1.61 nicm 1801: /*
1802: * If don't have AX but do have op, send sgr0 (op can't
1803: * actually be used because it is sometimes the same as sgr0
1804: * and sometimes isn't). This resets both colours to default.
1805: *
1806: * Otherwise, try to set the default colour only as needed.
1807: */
1.174 nicm 1808: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 1809: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1810: tty_reset(tty);
1811: else {
1.204 nicm 1812: if (gc->fg == 8 && tc->fg != 8) {
1.61 nicm 1813: if (have_ax)
1814: tty_puts(tty, "\033[39m");
1.204 nicm 1815: else if (tc->fg != 7)
1.61 nicm 1816: tty_putcode1(tty, TTYC_SETAF, 7);
1817: tc->fg = 8;
1818: }
1.204 nicm 1819: if (gc->bg == 8 && tc->bg != 8) {
1.77 nicm 1820: if (have_ax)
1.61 nicm 1821: tty_puts(tty, "\033[49m");
1.204 nicm 1822: else if (tc->bg != 0)
1.61 nicm 1823: tty_putcode1(tty, TTYC_SETAB, 0);
1824: tc->bg = 8;
1825: }
1826: }
1827: }
1.1 nicm 1828:
1.61 nicm 1829: /* Set the foreground colour. */
1.204 nicm 1830: if (gc->fg != 8 && gc->fg != tc->fg)
1.85 nicm 1831: tty_colours_fg(tty, gc);
1.1 nicm 1832:
1.61 nicm 1833: /*
1834: * Set the background colour. This must come after the foreground as
1835: * tty_colour_fg() can call tty_reset().
1836: */
1.204 nicm 1837: if (gc->bg != 8 && gc->bg != tc->bg)
1.73 nicm 1838: tty_colours_bg(tty, gc);
1.1 nicm 1839: }
1840:
1.219 nicm 1841: static void
1842: tty_check_fg(struct tty *tty, const struct window_pane *wp,
1843: struct grid_cell *gc)
1.85 nicm 1844: {
1.204 nicm 1845: u_char r, g, b;
1846: u_int colours;
1.223 nicm 1847: int c;
1.85 nicm 1848:
1.219 nicm 1849: /* Perform substitution if this pane has a palette */
1850: if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
1.223 nicm 1851: (c = window_pane_get_palette(wp, gc->fg)) != -1)
1852: gc->fg = c;
1.219 nicm 1853:
1.199 nicm 1854: /* Is this a 24-bit colour? */
1.204 nicm 1855: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 1856: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1857: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1858: colour_split_rgb(gc->fg, &r, &g, &b);
1859: gc->fg = colour_find_rgb(r, g, b);
1860: } else
1.200 nicm 1861: return;
1.199 nicm 1862: }
1.224 nicm 1863:
1864: /* How many colours does this terminal have? */
1865: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1866: colours = 256;
1867: else
1868: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1869:
1.85 nicm 1870: /* Is this a 256-colour colour? */
1.204 nicm 1871: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 1872: /* And not a 256 colour mode? */
1.224 nicm 1873: if (colours != 256) {
1.85 nicm 1874: gc->fg = colour_256to16(gc->fg);
1875: if (gc->fg & 8) {
1876: gc->fg &= 7;
1.175 nicm 1877: if (colours >= 16)
1878: gc->fg += 90;
1879: else
1880: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1881: } else
1882: gc->attr &= ~GRID_ATTR_BRIGHT;
1883: }
1884: return;
1885: }
1886:
1887: /* Is this an aixterm colour? */
1888: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1889: gc->fg -= 90;
1890: gc->attr |= GRID_ATTR_BRIGHT;
1891: }
1892: }
1893:
1.219 nicm 1894: static void
1895: tty_check_bg(struct tty *tty, const struct window_pane *wp,
1896: struct grid_cell *gc)
1.85 nicm 1897: {
1.204 nicm 1898: u_char r, g, b;
1899: u_int colours;
1.223 nicm 1900: int c;
1.85 nicm 1901:
1.219 nicm 1902: /* Perform substitution if this pane has a palette */
1903: if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
1.223 nicm 1904: (c = window_pane_get_palette(wp, gc->bg)) != -1)
1905: gc->bg = c;
1.219 nicm 1906:
1.199 nicm 1907: /* Is this a 24-bit colour? */
1.204 nicm 1908: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 1909: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1910: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1911: colour_split_rgb(gc->bg, &r, &g, &b);
1912: gc->bg = colour_find_rgb(r, g, b);
1913: } else
1.200 nicm 1914: return;
1.199 nicm 1915: }
1.224 nicm 1916:
1917: /* How many colours does this terminal have? */
1918: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1919: colours = 256;
1920: else
1921: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1922:
1.85 nicm 1923: /* Is this a 256-colour colour? */
1.204 nicm 1924: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 1925: /*
1926: * And not a 256 colour mode? Translate to 16-colour
1927: * palette. Bold background doesn't exist portably, so just
1928: * discard the bold bit if set.
1929: */
1.224 nicm 1930: if (colours != 256) {
1.85 nicm 1931: gc->bg = colour_256to16(gc->bg);
1.175 nicm 1932: if (gc->bg & 8) {
1.85 nicm 1933: gc->bg &= 7;
1.175 nicm 1934: if (colours >= 16)
1935: gc->fg += 90;
1936: }
1.85 nicm 1937: }
1938: return;
1939: }
1940:
1941: /* Is this an aixterm colour? */
1.175 nicm 1942: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 1943: gc->bg -= 90;
1944: }
1945:
1.207 nicm 1946: static void
1.85 nicm 1947: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1948: {
1.61 nicm 1949: struct grid_cell *tc = &tty->cell;
1.79 nicm 1950: char s[32];
1.1 nicm 1951:
1.204 nicm 1952: /* Is this a 24-bit or 256-colour colour? */
1953: if (gc->fg & COLOUR_FLAG_RGB ||
1954: gc->fg & COLOUR_FLAG_256) {
1955: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 1956: goto save_fg;
1.199 nicm 1957: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 1958: return;
1.1 nicm 1959: }
1960:
1.79 nicm 1961: /* Is this an aixterm bright colour? */
1.204 nicm 1962: if (gc->fg >= 90 && gc->fg <= 97) {
1963: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
1.85 nicm 1964: tty_puts(tty, s);
1965: goto save_fg;
1.79 nicm 1966: }
1967:
1.61 nicm 1968: /* Otherwise set the foreground colour. */
1.204 nicm 1969: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 1970:
1.77 nicm 1971: save_fg:
1.61 nicm 1972: /* Save the new values in the terminal current cell. */
1.204 nicm 1973: tc->fg = gc->fg;
1.1 nicm 1974: }
1975:
1.207 nicm 1976: static void
1.73 nicm 1977: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1978: {
1.61 nicm 1979: struct grid_cell *tc = &tty->cell;
1.79 nicm 1980: char s[32];
1.1 nicm 1981:
1.204 nicm 1982: /* Is this a 24-bit or 256-colour colour? */
1983: if (gc->bg & COLOUR_FLAG_RGB ||
1984: gc->bg & COLOUR_FLAG_256) {
1985: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 1986: goto save_bg;
1.199 nicm 1987: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 1988: return;
1.79 nicm 1989: }
1990:
1991: /* Is this an aixterm bright colour? */
1.204 nicm 1992: if (gc->bg >= 90 && gc->bg <= 97) {
1993: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
1.175 nicm 1994: tty_puts(tty, s);
1995: goto save_bg;
1.1 nicm 1996: }
1997:
1.61 nicm 1998: /* Otherwise set the background colour. */
1.204 nicm 1999: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2000:
2001: save_bg:
2002: /* Save the new values in the terminal current cell. */
1.204 nicm 2003: tc->bg = gc->bg;
1.61 nicm 2004: }
2005:
1.207 nicm 2006: static int
1.204 nicm 2007: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2008: {
1.204 nicm 2009: u_char r, g, b;
1.61 nicm 2010: char s[32];
2011:
1.204 nicm 2012: if (colour & COLOUR_FLAG_256) {
2013: /*
2014: * If the user has specified -2 to the client, setaf and setab
2015: * may not work (or they may not want to use them), so send the
2016: * usual sequence.
2017: */
2018: if (tty->term_flags & TERM_256COLOURS)
2019: goto fallback_256;
1.189 nicm 2020:
1.204 nicm 2021: /*
2022: * If the terminfo entry has 256 colours and setaf and setab
2023: * exist, assume that they work correctly.
2024: */
2025: if (tty->term->flags & TERM_256COLOURS) {
2026: if (*type == '3') {
2027: if (!tty_term_has(tty->term, TTYC_SETAF))
2028: goto fallback_256;
2029: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2030: } else {
2031: if (!tty_term_has(tty->term, TTYC_SETAB))
2032: goto fallback_256;
2033: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2034: }
2035: return (0);
1.188 nicm 2036: }
1.204 nicm 2037: goto fallback_256;
2038: }
2039:
2040: if (colour & COLOUR_FLAG_RGB) {
2041: if (!tty_term_flag(tty->term, TTYC_TC))
2042: return (-1);
2043:
2044: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
2045: xsnprintf(s, sizeof s, "\033[%s;2;%hhu;%hhu;%hhum", type,
2046: r, g, b);
2047: tty_puts(tty, s);
1.165 nicm 2048: return (0);
2049: }
1.61 nicm 2050:
1.165 nicm 2051: return (-1);
1.188 nicm 2052:
1.204 nicm 2053: fallback_256:
2054: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.188 nicm 2055: tty_puts(tty, s);
2056: return (0);
1.176 nicm 2057: }
2058:
1.207 nicm 2059: static void
1.176 nicm 2060: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
2061: {
1.203 nicm 2062: struct window *w = wp->window;
2063: struct options *oo = w->options;
2064: const struct grid_cell *agc, *pgc, *wgc;
1.223 nicm 2065: int c;
1.203 nicm 2066:
2067: if (w->flags & WINDOW_STYLECHANGED) {
2068: w->flags &= ~WINDOW_STYLECHANGED;
2069: agc = options_get_style(oo, "window-active-style");
2070: memcpy(&w->active_style, agc, sizeof w->active_style);
2071: wgc = options_get_style(oo, "window-style");
2072: memcpy(&w->style, wgc, sizeof w->style);
2073: } else {
2074: agc = &w->active_style;
2075: wgc = &w->style;
2076: }
1.176 nicm 2077: pgc = &wp->colgc;
2078:
1.204 nicm 2079: if (gc->fg == 8) {
2080: if (pgc->fg != 8)
1.176 nicm 2081: gc->fg = pgc->fg;
1.204 nicm 2082: else if (wp == w->active && agc->fg != 8)
1.176 nicm 2083: gc->fg = agc->fg;
1.204 nicm 2084: else
1.176 nicm 2085: gc->fg = wgc->fg;
1.219 nicm 2086:
1.223 nicm 2087: if (gc->fg != 8 &&
2088: (c = window_pane_get_palette(wp, gc->fg)) != -1)
2089: gc->fg = c;
1.176 nicm 2090: }
2091:
1.204 nicm 2092: if (gc->bg == 8) {
2093: if (pgc->bg != 8)
1.176 nicm 2094: gc->bg = pgc->bg;
1.204 nicm 2095: else if (wp == w->active && agc->bg != 8)
1.176 nicm 2096: gc->bg = agc->bg;
1.204 nicm 2097: else
1.176 nicm 2098: gc->bg = wgc->bg;
1.219 nicm 2099:
1.223 nicm 2100: if (gc->bg != 8 &&
2101: (c = window_pane_get_palette(wp, gc->bg)) != -1)
2102: gc->bg = c;
1.176 nicm 2103: }
1.210 nicm 2104: }
2105:
2106: static void
2107: tty_default_attributes(struct tty *tty, const struct window_pane *wp, u_int bg)
2108: {
2109: static struct grid_cell gc;
2110:
2111: memcpy(&gc, &grid_default_cell, sizeof gc);
2112: gc.bg = bg;
2113: tty_attributes(tty, &gc, wp);
1.1 nicm 2114: }
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