Annotation of src/usr.bin/tmux/tty.c, Revision 1.182
1.182 ! nicm 1: /* $OpenBSD: tty.c,v 1.181 2015/05/06 07:52:06 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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:
1.1 nicm 24: #include <errno.h>
25: #include <fcntl.h>
1.106 nicm 26: #include <resolv.h>
1.42 nicm 27: #include <stdlib.h>
1.1 nicm 28: #include <string.h>
29: #include <termios.h>
30: #include <unistd.h>
31:
32: #include "tmux.h"
33:
1.67 nicm 34: void tty_read_callback(struct bufferevent *, void *);
1.66 nicm 35: void tty_error_callback(struct bufferevent *, short, void *);
36:
1.180 nicm 37: void tty_set_italics(struct tty *);
1.1 nicm 38: int tty_try_256(struct tty *, u_char, const char *);
39:
1.85 nicm 40: void tty_colours(struct tty *, const struct grid_cell *);
41: void tty_check_fg(struct tty *, struct grid_cell *);
42: void tty_check_bg(struct tty *, struct grid_cell *);
43: void tty_colours_fg(struct tty *, const struct grid_cell *);
1.73 nicm 44: void tty_colours_bg(struct tty *, const struct grid_cell *);
1.1 nicm 45:
1.120 nicm 46: int tty_large_region(struct tty *, const struct tty_ctx *);
1.176 nicm 47: int tty_fake_bce(const struct tty *, const struct window_pane *);
1.24 nicm 48: void tty_redraw_region(struct tty *, const struct tty_ctx *);
1.13 nicm 49: void tty_emulate_repeat(
50: struct tty *, enum tty_code_code, enum tty_code_code, u_int);
1.133 nicm 51: void tty_repeat_space(struct tty *, u_int);
1.176 nicm 52: void tty_cell(struct tty *, const struct grid_cell *,
53: const struct window_pane *);
54: void tty_default_colours(struct grid_cell *, const struct window_pane *);
1.1 nicm 55:
1.90 nicm 56: #define tty_use_acs(tty) \
1.131 nicm 57: (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.90 nicm 58:
1.132 nicm 59: #define tty_pane_full_width(tty, ctx) \
60: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
61:
1.1 nicm 62: void
1.136 nicm 63: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 64: {
1.30 nicm 65: char *path;
66:
67: memset(tty, 0, sizeof *tty);
1.23 nicm 68: tty->log_fd = -1;
1.22 nicm 69:
1.9 nicm 70: if (term == NULL || *term == '\0')
1.1 nicm 71: tty->termname = xstrdup("unknown");
72: else
73: tty->termname = xstrdup(term);
1.30 nicm 74: tty->fd = fd;
1.136 nicm 75: tty->client = c;
1.30 nicm 76:
77: if ((path = ttyname(fd)) == NULL)
78: fatalx("ttyname failed");
79: tty->path = xstrdup(path);
1.108 nicm 80: tty->cstyle = 0;
1.107 nicm 81: tty->ccolour = xstrdup("");
1.30 nicm 82:
1.1 nicm 83: tty->flags = 0;
84: tty->term_flags = 0;
1.31 nicm 85: }
86:
1.88 nicm 87: int
1.31 nicm 88: tty_resize(struct tty *tty)
89: {
90: struct winsize ws;
1.88 nicm 91: u_int sx, sy;
1.31 nicm 92:
93: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 94: sx = ws.ws_col;
95: if (sx == 0)
96: sx = 80;
97: sy = ws.ws_row;
98: if (sy == 0)
99: sy = 24;
100: } else {
101: sx = 80;
102: sy = 24;
1.31 nicm 103: }
1.114 nicm 104: if (!tty_set_size(tty, sx, sy))
1.88 nicm 105: return (0);
1.31 nicm 106:
107: tty->cx = UINT_MAX;
108: tty->cy = UINT_MAX;
109:
110: tty->rupper = UINT_MAX;
111: tty->rlower = UINT_MAX;
1.88 nicm 112:
113: /*
114: * If the terminal has been started, reset the actual scroll region and
115: * cursor position, as this may not have happened.
116: */
117: if (tty->flags & TTY_STARTED) {
118: tty_cursor(tty, 0, 0);
119: tty_region(tty, 0, tty->sy - 1);
120: }
121:
1.114 nicm 122: return (1);
123: }
124:
125: int
126: tty_set_size(struct tty *tty, u_int sx, u_int sy) {
127: if (sx == tty->sx && sy == tty->sy)
128: return (0);
129: tty->sx = sx;
130: tty->sy = sy;
1.88 nicm 131: return (1);
1.1 nicm 132: }
133:
134: int
1.166 nicm 135: tty_open(struct tty *tty, char **cause)
1.1 nicm 136: {
1.88 nicm 137: char out[64];
1.30 nicm 138: int fd;
1.1 nicm 139:
1.30 nicm 140: if (debug_level > 3) {
1.88 nicm 141: xsnprintf(out, sizeof out, "tmux-out-%ld.log", (long) getpid());
142: fd = open(out, O_WRONLY|O_CREAT|O_TRUNC, 0644);
1.30 nicm 143: if (fd != -1 && fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
144: fatal("fcntl failed");
145: tty->log_fd = fd;
1.1 nicm 146: }
147:
1.166 nicm 148: tty->term = tty_term_find(tty->termname, tty->fd, cause);
1.21 nicm 149: if (tty->term == NULL) {
150: tty_close(tty);
151: return (-1);
152: }
153: tty->flags |= TTY_OPENED;
1.1 nicm 154:
1.149 nicm 155: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_TIMER);
1.1 nicm 156:
1.66 nicm 157: tty->event = bufferevent_new(
1.67 nicm 158: tty->fd, tty_read_callback, NULL, tty_error_callback, tty);
1.1 nicm 159:
160: tty_start_tty(tty);
161:
1.148 nicm 162: tty_keys_build(tty);
1.1 nicm 163:
164: return (0);
165: }
166:
167: void
1.67 nicm 168: tty_read_callback(unused struct bufferevent *bufev, void *data)
169: {
170: struct tty *tty = data;
171:
172: while (tty_keys_next(tty))
173: ;
174: }
175:
176: void
1.66 nicm 177: tty_error_callback(
178: unused struct bufferevent *bufev, unused short what, unused void *data)
179: {
180: }
181:
182: void
1.127 nicm 183: tty_init_termios(int fd, struct termios *orig_tio, struct bufferevent *bufev)
1.1 nicm 184: {
1.128 nicm 185: struct termios tio;
1.33 nicm 186:
1.127 nicm 187: if (fd == -1 || tcgetattr(fd, orig_tio) != 0)
1.33 nicm 188: return;
1.1 nicm 189:
1.127 nicm 190: setblocking(fd, 0);
1.34 nicm 191:
1.127 nicm 192: if (bufev != NULL)
193: bufferevent_enable(bufev, EV_READ|EV_WRITE);
1.66 nicm 194:
1.127 nicm 195: memcpy(&tio, orig_tio, sizeof tio);
1.1 nicm 196: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
197: tio.c_iflag |= IGNBRK;
198: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
199: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
1.169 jsg 200: ECHOPRT|ECHOKE|ISIG);
1.1 nicm 201: tio.c_cc[VMIN] = 1;
1.60 deraadt 202: tio.c_cc[VTIME] = 0;
1.127 nicm 203: if (tcsetattr(fd, TCSANOW, &tio) == 0)
204: tcflush(fd, TCIOFLUSH);
205: }
206:
207: void
208: tty_start_tty(struct tty *tty)
209: {
210: tty_init_termios(tty->fd, &tty->tio, tty->event);
1.1 nicm 211:
1.10 nicm 212: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 213:
1.25 nicm 214: tty_putcode(tty, TTYC_SGR0);
215: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
216:
1.76 nicm 217: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 218: if (tty_use_acs(tty))
219: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 220: tty_putcode(tty, TTYC_CLEAR);
221:
222: tty_putcode(tty, TTYC_CNORM);
223: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 224: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.121 nicm 225:
1.162 nicm 226: if (tty_term_has(tty->term, TTYC_XT)) {
227: if (options_get_number(&global_options, "focus-events")) {
228: tty->flags |= TTY_FOCUS;
229: tty_puts(tty, "\033[?1004h");
230: }
1.163 nicm 231: tty_puts(tty, "\033[c");
1.162 nicm 232: }
1.1 nicm 233:
234: tty->cx = UINT_MAX;
235: tty->cy = UINT_MAX;
236:
237: tty->rlower = UINT_MAX;
238: tty->rupper = UINT_MAX;
239:
240: tty->mode = MODE_CURSOR;
1.20 nicm 241:
242: tty->flags |= TTY_STARTED;
1.107 nicm 243:
244: tty_force_cursor_colour(tty, "");
1.177 nicm 245:
246: tty->mouse_drag_flag = 0;
247: tty->mouse_drag_update = NULL;
248: tty->mouse_drag_release = NULL;
1.145 nicm 249: }
250:
251: void
252: tty_set_class(struct tty *tty, u_int class)
253: {
254: if (tty->class != 0)
255: return;
256: tty->class = class;
1.128 nicm 257: }
258:
259: void
1.1 nicm 260: tty_stop_tty(struct tty *tty)
261: {
262: struct winsize ws;
263:
1.20 nicm 264: if (!(tty->flags & TTY_STARTED))
265: return;
266: tty->flags &= ~TTY_STARTED;
267:
1.66 nicm 268: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
269:
1.1 nicm 270: /*
271: * Be flexible about error handling and try not kill the server just
272: * because the fd is invalid. Things like ssh -t can easily leave us
273: * with a dead tty.
274: */
275: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
276: return;
277: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
278: return;
279:
280: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 281: if (tty_use_acs(tty))
282: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 283: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
284: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
285: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 286: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
287: if (tty_term_has(tty->term, TTYC_SE))
288: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 289: else
1.160 nicm 290: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 291: }
1.173 nicm 292: if (tty->mode & MODE_BRACKETPASTE)
293: tty_raw(tty, "\033[?2004l");
1.107 nicm 294: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 295:
296: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
297: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 298: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.151 nicm 299:
1.162 nicm 300: if (tty_term_has(tty->term, TTYC_XT)) {
301: if (tty->flags & TTY_FOCUS) {
302: tty->flags &= ~TTY_FOCUS;
1.172 nicm 303: tty_raw(tty, "\033[?1004l");
1.162 nicm 304: }
305: }
1.10 nicm 306:
307: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 308:
309: setblocking(tty->fd, 1);
1.1 nicm 310: }
311:
312: void
1.20 nicm 313: tty_close(struct tty *tty)
1.1 nicm 314: {
315: if (tty->log_fd != -1) {
316: close(tty->log_fd);
317: tty->log_fd = -1;
318: }
319:
1.123 nicm 320: if (event_initialized(&tty->key_timer))
321: evtimer_del(&tty->key_timer);
1.20 nicm 322: tty_stop_tty(tty);
1.1 nicm 323:
1.21 nicm 324: if (tty->flags & TTY_OPENED) {
1.66 nicm 325: bufferevent_free(tty->event);
326:
1.21 nicm 327: tty_term_free(tty->term);
328: tty_keys_free(tty);
329:
330: tty->flags &= ~TTY_OPENED;
331: }
1.1 nicm 332:
1.21 nicm 333: if (tty->fd != -1) {
334: close(tty->fd);
335: tty->fd = -1;
336: }
1.1 nicm 337: }
338:
339: void
1.20 nicm 340: tty_free(struct tty *tty)
1.1 nicm 341: {
1.20 nicm 342: tty_close(tty);
1.1 nicm 343:
1.138 nicm 344: free(tty->ccolour);
1.1 nicm 345: if (tty->path != NULL)
1.138 nicm 346: free(tty->path);
1.1 nicm 347: if (tty->termname != NULL)
1.138 nicm 348: free(tty->termname);
1.1 nicm 349: }
350:
351: void
352: tty_raw(struct tty *tty, const char *s)
353: {
1.150 nicm 354: ssize_t n, slen;
355: u_int i;
356:
357: slen = strlen(s);
358: for (i = 0; i < 5; i++) {
359: n = write(tty->fd, s, slen);
360: if (n >= 0) {
361: s += n;
362: slen -= n;
363: if (slen == 0)
364: break;
365: } else if (n == -1 && errno != EAGAIN)
366: break;
367: usleep(100);
368: }
1.1 nicm 369: }
370:
371: void
372: tty_putcode(struct tty *tty, enum tty_code_code code)
373: {
374: tty_puts(tty, tty_term_string(tty->term, code));
375: }
376:
377: void
378: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
379: {
380: if (a < 0)
381: return;
382: tty_puts(tty, tty_term_string1(tty->term, code, a));
383: }
384:
385: void
386: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
387: {
388: if (a < 0 || b < 0)
389: return;
390: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
391: }
392:
393: void
1.107 nicm 394: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
395: {
396: if (a != NULL)
397: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
398: }
399:
400: void
1.167 nicm 401: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
402: const void *b)
1.106 nicm 403: {
404: if (a != NULL && b != NULL)
405: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
406: }
407:
408: void
1.1 nicm 409: tty_puts(struct tty *tty, const char *s)
410: {
411: if (*s == '\0')
412: return;
1.66 nicm 413: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 414:
415: if (tty->log_fd != -1)
416: write(tty->log_fd, s, strlen(s));
417: }
418:
419: void
420: tty_putc(struct tty *tty, u_char ch)
421: {
1.90 nicm 422: const char *acs;
423: u_int sx;
1.1 nicm 424:
1.90 nicm 425: if (tty->cell.attr & GRID_ATTR_CHARSET) {
426: acs = tty_acs_get(tty, ch);
427: if (acs != NULL)
428: bufferevent_write(tty->event, acs, strlen(acs));
429: else
430: bufferevent_write(tty->event, &ch, 1);
431: } else
432: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 433:
434: if (ch >= 0x20 && ch != 0x7f) {
435: sx = tty->sx;
436: if (tty->term->flags & TERM_EARLYWRAP)
437: sx--;
438:
1.46 nicm 439: if (tty->cx >= sx) {
440: tty->cx = 1;
441: if (tty->cy != tty->rlower)
442: tty->cy++;
1.1 nicm 443: } else
444: tty->cx++;
445: }
446:
447: if (tty->log_fd != -1)
448: write(tty->log_fd, &ch, 1);
449: }
450:
451: void
1.147 nicm 452: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 453: {
1.147 nicm 454: bufferevent_write(tty->event, buf, len);
1.71 nicm 455: if (tty->log_fd != -1)
1.147 nicm 456: write(tty->log_fd, buf, len);
457: tty->cx += width;
1.5 nicm 458: }
459:
460: void
1.180 nicm 461: tty_set_italics(struct tty *tty)
462: {
463: const char *s;
464:
465: if (tty_term_has(tty->term, TTYC_SITM)) {
466: s = options_get_string(&global_options, "default-terminal");
467: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
468: tty_putcode(tty, TTYC_SITM);
469: return;
470: }
471: }
472: tty_putcode(tty, TTYC_SMSO);
473: }
474:
475: void
1.1 nicm 476: tty_set_title(struct tty *tty, const char *title)
477: {
1.105 nicm 478: if (!tty_term_has(tty->term, TTYC_TSL) ||
479: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 480: return;
481:
1.105 nicm 482: tty_putcode(tty, TTYC_TSL);
1.1 nicm 483: tty_puts(tty, title);
1.105 nicm 484: tty_putcode(tty, TTYC_FSL);
1.1 nicm 485: }
486:
487: void
1.107 nicm 488: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
489: {
490: if (*ccolour == '\0')
491: tty_putcode(tty, TTYC_CR);
492: else
1.160 nicm 493: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 494: free(tty->ccolour);
1.107 nicm 495: tty->ccolour = xstrdup(ccolour);
496: }
497:
498: void
499: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 500: {
501: int changed;
502:
1.181 nicm 503: if (s != NULL && strcmp(s->ccolour, tty->ccolour))
1.107 nicm 504: tty_force_cursor_colour(tty, s->ccolour);
505:
1.1 nicm 506: if (tty->flags & TTY_NOCURSOR)
507: mode &= ~MODE_CURSOR;
508:
509: changed = mode ^ tty->mode;
1.171 nicm 510: if (changed & (MODE_CURSOR|MODE_BLINKING)) {
511: if (mode & MODE_CURSOR) {
512: if (mode & MODE_BLINKING &&
513: tty_term_has(tty->term, TTYC_CVVIS))
514: tty_putcode(tty, TTYC_CVVIS);
515: else
516: tty_putcode(tty, TTYC_CNORM);
517: } else
1.1 nicm 518: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 519: }
1.181 nicm 520: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 521: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 522: if (s->cstyle == 0 &&
1.160 nicm 523: tty_term_has(tty->term, TTYC_SE))
524: tty_putcode(tty, TTYC_SE);
1.108 nicm 525: else
1.160 nicm 526: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 527: }
528: tty->cstyle = s->cstyle;
1.1 nicm 529: }
1.154 nicm 530: if (changed & (ALL_MOUSE_MODES|MODE_MOUSE_UTF8)) {
1.94 nicm 531: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 532: /*
533: * Enable the UTF-8 (1005) extension if configured to.
534: * Enable the SGR (1006) extension unconditionally, as
535: * this is safe from misinterpretation. Do it in this
536: * order, because in some terminals it's the last one
537: * that takes effect and SGR is the preferred one.
538: */
1.95 nicm 539: if (mode & MODE_MOUSE_UTF8)
540: tty_puts(tty, "\033[?1005h");
1.154 nicm 541: else
542: tty_puts(tty, "\033[?1005l");
1.153 nicm 543: tty_puts(tty, "\033[?1006h");
544:
1.170 nicm 545: if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 546: tty_puts(tty, "\033[?1002h");
1.98 nicm 547: else if (mode & MODE_MOUSE_STANDARD)
548: tty_puts(tty, "\033[?1000h");
1.86 nicm 549: } else {
1.170 nicm 550: if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 551: tty_puts(tty, "\033[?1002l");
1.98 nicm 552: else if (tty->mode & MODE_MOUSE_STANDARD)
553: tty_puts(tty, "\033[?1000l");
1.153 nicm 554:
555: tty_puts(tty, "\033[?1006l");
1.95 nicm 556: if (tty->mode & MODE_MOUSE_UTF8)
557: tty_puts(tty, "\033[?1005l");
1.86 nicm 558: }
1.76 nicm 559: }
560: if (changed & MODE_KKEYPAD) {
561: if (mode & MODE_KKEYPAD)
562: tty_putcode(tty, TTYC_SMKX);
563: else
564: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 565: }
566: if (changed & MODE_BRACKETPASTE) {
567: if (mode & MODE_BRACKETPASTE)
568: tty_puts(tty, "\033[?2004h");
569: else
570: tty_puts(tty, "\033[?2004l");
1.1 nicm 571: }
572: tty->mode = mode;
573: }
574:
575: void
1.168 nicm 576: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
577: enum tty_code_code code1, u_int n)
1.1 nicm 578: {
579: if (tty_term_has(tty->term, code))
580: tty_putcode1(tty, code, n);
581: else {
582: while (n-- > 0)
583: tty_putcode(tty, code1);
584: }
585: }
586:
1.133 nicm 587: void
588: tty_repeat_space(struct tty *tty, u_int n)
589: {
590: while (n-- > 0)
591: tty_putc(tty, ' ');
592: }
593:
1.1 nicm 594: /*
1.119 nicm 595: * Is the region large enough to be worth redrawing once later rather than
596: * probably several times now? Currently yes if it is more than 50% of the
597: * pane.
598: */
599: int
600: tty_large_region(unused struct tty *tty, const struct tty_ctx *ctx)
601: {
602: struct window_pane *wp = ctx->wp;
603:
604: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
605: }
606:
607: /*
1.176 nicm 608: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
609: * emulated.
610: */
611: int
612: tty_fake_bce(const struct tty *tty, const struct window_pane *wp)
613: {
614: struct grid_cell gc;
615:
616: memcpy(&gc, &grid_default_cell, sizeof gc);
617: tty_default_colours(&gc, wp);
618:
619: if (gc.bg == 8 && !(gc.flags & GRID_FLAG_BG256))
620: return (0);
621: return (!tty_term_flag(tty->term, TTYC_BCE));
622: }
623:
624: /*
1.1 nicm 625: * Redraw scroll region using data from screen (already updated). Used when
626: * CSR not supported, or window is a pane that doesn't take up the full
627: * width of the terminal.
628: */
629: void
1.24 nicm 630: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 631: {
1.14 nicm 632: struct window_pane *wp = ctx->wp;
633: struct screen *s = wp->screen;
634: u_int i;
1.1 nicm 635:
636: /*
1.119 nicm 637: * If region is large, schedule a window redraw. In most cases this is
638: * likely to be followed by some more scrolling.
1.1 nicm 639: */
1.119 nicm 640: if (tty_large_region(tty, ctx)) {
1.1 nicm 641: wp->flags |= PANE_REDRAW;
642: return;
643: }
644:
1.14 nicm 645: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
646: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176 nicm 647: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 648: } else {
1.14 nicm 649: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176 nicm 650: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 651: }
652: }
653:
654: void
1.176 nicm 655: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
656: u_int oy)
657: {
658: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
659: }
660:
661: void
662: tty_draw_line(struct tty *tty, const struct window_pane *wp,
663: struct screen *s, u_int py, u_int ox, u_int oy)
1.1 nicm 664: {
665: const struct grid_cell *gc;
1.46 nicm 666: struct grid_line *gl;
1.16 nicm 667: struct grid_cell tmpgc;
1.147 nicm 668: struct utf8_data ud;
1.1 nicm 669: u_int i, sx;
1.181 nicm 670: int flags;
1.1 nicm 671:
1.181 nicm 672: flags = tty->flags & TTY_NOCURSOR;
673: tty->flags |= TTY_NOCURSOR;
674: tty_update_mode(tty, tty->mode, s);
1.35 nicm 675:
1.1 nicm 676: sx = screen_size_x(s);
1.19 nicm 677: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
678: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 679: if (sx > tty->sx)
680: sx = tty->sx;
681:
1.46 nicm 682: /*
1.174 nicm 683: * Don't move the cursor to the start position if it will wrap there
1.50 nicm 684: * itself.
1.46 nicm 685: */
686: gl = NULL;
687: if (py != 0)
688: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 689: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 690: tty->cx < tty->sx || ox != 0 ||
691: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 692: tty_cursor(tty, ox, oy + py);
693:
1.1 nicm 694: for (i = 0; i < sx; i++) {
695: gc = grid_view_peek_cell(s->grid, i, py);
696: if (screen_check_selection(s, i, py)) {
1.16 nicm 697: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
1.147 nicm 698: grid_cell_get(gc, &ud);
699: grid_cell_set(&tmpgc, &ud);
1.77 nicm 700: tmpgc.flags = gc->flags &
1.38 nicm 701: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
702: tmpgc.flags |= s->sel.cell.flags &
703: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.176 nicm 704: tty_cell(tty, &tmpgc, wp);
1.1 nicm 705: } else
1.176 nicm 706: tty_cell(tty, gc, wp);
1.1 nicm 707: }
708:
1.181 nicm 709: if (sx < tty->sx) {
710: tty_attributes(tty, &grid_default_cell, wp);
711:
712: tty_cursor(tty, ox + sx, oy + py);
713: if (sx != screen_size_x(s) &&
714: ox + screen_size_x(s) >= tty->sx &&
715: tty_term_has(tty->term, TTYC_EL) &&
716: !tty_fake_bce(tty, wp))
717: tty_putcode(tty, TTYC_EL);
718: else
719: tty_repeat_space(tty, screen_size_x(s) - sx);
1.35 nicm 720: }
1.1 nicm 721:
1.181 nicm 722: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 723: tty_update_mode(tty, tty->mode, s);
1.15 nicm 724: }
725:
1.182 ! nicm 726: int
! 727: tty_client_ready(struct client *c, struct window_pane *wp)
! 728: {
! 729: if (c->session == NULL || c->tty.term == NULL)
! 730: return (0);
! 731: if (c->flags & CLIENT_SUSPENDED)
! 732: return (0);
! 733: if (c->tty.flags & TTY_FREEZE)
! 734: return (0);
! 735: if (c->session->curw->window != wp->window)
! 736: return (0);
! 737: return (1);
! 738: }
! 739:
1.15 nicm 740: void
1.182 ! nicm 741: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
! 742: struct tty_ctx *ctx)
1.15 nicm 743: {
744: struct window_pane *wp = ctx->wp;
745: struct client *c;
746:
1.75 nicm 747: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 748: if (wp == NULL)
749: return;
750:
751: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
752: return;
1.129 nicm 753: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 754: return;
755:
1.178 nicm 756: TAILQ_FOREACH(c, &clients, entry) {
1.182 ! nicm 757: if (!tty_client_ready(c, wp))
1.15 nicm 758: continue;
759:
1.139 nicm 760: ctx->xoff = wp->xoff;
761: ctx->yoff = wp->yoff;
762: if (status_at_line(c) == 0)
763: ctx->yoff++;
1.113 nicm 764:
1.139 nicm 765: cmdfn(&c->tty, ctx);
1.1 nicm 766: }
767: }
768:
769: void
1.24 nicm 770: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 771: {
1.77 nicm 772: struct window_pane *wp = ctx->wp;
1.1 nicm 773:
1.135 nicm 774: if (!tty_pane_full_width(tty, ctx)) {
1.176 nicm 775: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 776: return;
777: }
778:
1.176 nicm 779: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 780:
1.77 nicm 781: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 782:
1.176 nicm 783: if (!tty_fake_bce(tty, wp) && (tty_term_has(tty->term, TTYC_ICH) ||
784: tty_term_has(tty->term, TTYC_ICH1)))
1.12 nicm 785: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.134 nicm 786: else
1.176 nicm 787: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 788: }
789:
790: void
1.24 nicm 791: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 792: {
1.77 nicm 793: struct window_pane *wp = ctx->wp;
1.1 nicm 794:
1.176 nicm 795: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, wp) ||
1.26 nicm 796: (!tty_term_has(tty->term, TTYC_DCH) &&
797: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 798: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 799: return;
800: }
801:
1.176 nicm 802: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 803:
1.77 nicm 804: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 805:
1.26 nicm 806: if (tty_term_has(tty->term, TTYC_DCH) ||
807: tty_term_has(tty->term, TTYC_DCH1))
808: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 809: }
810:
811: void
812: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
813: {
814: u_int i;
815:
1.176 nicm 816: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.146 nicm 817:
818: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
819:
1.176 nicm 820: if (tty_term_has(tty->term, TTYC_ECH) && !tty_fake_bce(tty, ctx->wp))
1.146 nicm 821: tty_putcode1(tty, TTYC_ECH, ctx->num);
822: else {
823: for (i = 0; i < ctx->num; i++)
824: tty_putc(tty, ' ');
825: }
1.1 nicm 826: }
827:
828: void
1.24 nicm 829: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 830: {
1.176 nicm 831: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.77 nicm 832: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 833: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 834: tty_redraw_region(tty, ctx);
1.1 nicm 835: return;
836: }
837:
1.176 nicm 838: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 839:
1.77 nicm 840: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
841: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 842:
1.12 nicm 843: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 844: }
845:
846: void
1.24 nicm 847: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 848: {
1.176 nicm 849: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.72 nicm 850: !tty_term_has(tty->term, TTYC_CSR) ||
851: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 852: tty_redraw_region(tty, ctx);
1.1 nicm 853: return;
854: }
855:
1.176 nicm 856: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 857:
1.77 nicm 858: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
859: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 860:
1.12 nicm 861: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 862: }
863:
864: void
1.24 nicm 865: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 866: {
1.77 nicm 867: struct window_pane *wp = ctx->wp;
1.12 nicm 868: struct screen *s = wp->screen;
1.1 nicm 869:
1.176 nicm 870: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 871:
1.77 nicm 872: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 873:
1.176 nicm 874: if (tty_pane_full_width(tty, ctx) && !tty_fake_bce(tty, wp) &&
875: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 876: tty_putcode(tty, TTYC_EL);
1.133 nicm 877: else
878: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 879: }
880:
881: void
1.24 nicm 882: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 883: {
1.77 nicm 884: struct window_pane *wp = ctx->wp;
1.12 nicm 885: struct screen *s = wp->screen;
1.1 nicm 886:
1.176 nicm 887: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 888:
1.41 nicm 889: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
890:
1.176 nicm 891: if (tty_pane_full_width(tty, ctx) &&
892: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp))
1.1 nicm 893: tty_putcode(tty, TTYC_EL);
1.133 nicm 894: else
895: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.1 nicm 896: }
897:
898: void
1.24 nicm 899: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 900: {
1.176 nicm 901: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 902:
1.176 nicm 903: if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1) &&
904: !tty_fake_bce(tty, ctx->wp)) {
1.41 nicm 905: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 906: tty_putcode(tty, TTYC_EL1);
907: } else {
1.41 nicm 908: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 909: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 910: }
911: }
912:
913: void
1.24 nicm 914: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 915: {
1.56 nicm 916: if (ctx->ocy != ctx->orupper)
917: return;
918:
1.176 nicm 919: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.70 nicm 920: !tty_term_has(tty->term, TTYC_CSR) ||
921: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 922: tty_redraw_region(tty, ctx);
1.1 nicm 923: return;
924: }
925:
1.176 nicm 926: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.77 nicm 927:
1.56 nicm 928: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
929: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 930:
1.56 nicm 931: tty_putcode(tty, TTYC_RI);
1.1 nicm 932: }
933:
934: void
1.24 nicm 935: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 936: {
1.77 nicm 937: struct window_pane *wp = ctx->wp;
1.1 nicm 938:
1.56 nicm 939: if (ctx->ocy != ctx->orlower)
940: return;
941:
1.176 nicm 942: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, wp) ||
1.1 nicm 943: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 944: if (tty_large_region(tty, ctx))
945: wp->flags |= PANE_REDRAW;
1.140 nicm 946: else
1.128 nicm 947: tty_redraw_region(tty, ctx);
1.1 nicm 948: return;
949: }
1.52 nicm 950:
951: /*
952: * If this line wrapped naturally (ctx->num is nonzero), don't do
953: * anything - the cursor can just be moved to the last cell and wrap
954: * naturally.
955: */
956: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
957: return;
1.1 nicm 958:
1.176 nicm 959: tty_attributes(tty, &grid_default_cell, wp);
1.77 nicm 960:
1.56 nicm 961: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
962: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 963:
1.56 nicm 964: tty_putc(tty, '\n');
1.1 nicm 965: }
966:
967: void
1.24 nicm 968: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 969: {
1.77 nicm 970: struct window_pane *wp = ctx->wp;
1.12 nicm 971: struct screen *s = wp->screen;
972: u_int i, j;
1.1 nicm 973:
1.176 nicm 974: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 975:
1.39 nicm 976: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 977: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 978:
1.176 nicm 979: if (tty_pane_full_width(tty, ctx) &&
980: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.1 nicm 981: tty_putcode(tty, TTYC_EL);
1.14 nicm 982: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 983: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 984: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 985: tty_putcode(tty, TTYC_EL);
986: if (i == screen_size_y(s) - 1)
987: continue;
988: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
989: tty->cy++;
990: }
991: }
992: } else {
1.133 nicm 993: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.68 nicm 994: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 995: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 996: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 997: }
998: }
999: }
1000:
1001: void
1.24 nicm 1002: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1003: {
1.77 nicm 1004: struct window_pane *wp = ctx->wp;
1.12 nicm 1005: struct screen *s = wp->screen;
1006: u_int i, j;
1.1 nicm 1007:
1.176 nicm 1008: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 1009:
1.39 nicm 1010: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 1011: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 1012:
1.176 nicm 1013: if (tty_pane_full_width(tty, ctx) &&
1014: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.14 nicm 1015: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 1016: tty_putcode(tty, TTYC_EL);
1017: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1018: tty->cy++;
1019: }
1020: } else {
1.14 nicm 1021: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 1022: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1023: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1024: }
1025: }
1.133 nicm 1026: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 1027: }
1028:
1029: void
1.24 nicm 1030: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1031: {
1.77 nicm 1032: struct window_pane *wp = ctx->wp;
1.12 nicm 1033: struct screen *s = wp->screen;
1034: u_int i, j;
1.1 nicm 1035:
1.176 nicm 1036: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 1037:
1.39 nicm 1038: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 1039: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 1040:
1.176 nicm 1041: if (tty_pane_full_width(tty, ctx) &&
1042: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.1 nicm 1043: for (i = 0; i < screen_size_y(s); i++) {
1044: tty_putcode(tty, TTYC_EL);
1045: if (i != screen_size_y(s) - 1) {
1046: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1047: tty->cy++;
1048: }
1049: }
1050: } else {
1051: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1052: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1053: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1054: }
1.4 nicm 1055: }
1056: }
1057:
1058: void
1.24 nicm 1059: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1060: {
1.12 nicm 1061: struct window_pane *wp = ctx->wp;
1062: struct screen *s = wp->screen;
1063: u_int i, j;
1.4 nicm 1064:
1.176 nicm 1065: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1066:
1.39 nicm 1067: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 1068:
1069: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1070: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1071: for (i = 0; i < screen_size_x(s); i++)
1072: tty_putc(tty, 'E');
1.1 nicm 1073: }
1074: }
1075:
1076: void
1.24 nicm 1077: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1078: {
1.46 nicm 1079: struct window_pane *wp = ctx->wp;
1080: struct screen *s = wp->screen;
1.58 nicm 1081: u_int cx;
1.102 nicm 1082: u_int width;
1.46 nicm 1083:
1084: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1085:
1.57 nicm 1086: /* Is the cursor in the very last position? */
1.147 nicm 1087: width = grid_cell_width(ctx->cell);
1.102 nicm 1088: if (ctx->ocx > wp->sx - width) {
1.113 nicm 1089: if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57 nicm 1090: /*
1091: * The pane doesn't fill the entire line, the linefeed
1092: * will already have happened, so just move the cursor.
1093: */
1.125 nicm 1094: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 1095: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1096: else
1097: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.57 nicm 1098: } else if (tty->cx < tty->sx) {
1099: /*
1100: * The cursor isn't in the last position already, so
1.102 nicm 1101: * move as far left as possible and redraw the last
1.57 nicm 1102: * cell to move into the last position.
1103: */
1.147 nicm 1104: cx = screen_size_x(s) - grid_cell_width(&ctx->last_cell);
1.50 nicm 1105: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1.176 nicm 1106: tty_cell(tty, &ctx->last_cell, wp);
1.50 nicm 1107: }
1108: } else
1.46 nicm 1109: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1110:
1.176 nicm 1111: tty_cell(tty, ctx->cell, wp);
1.1 nicm 1112: }
1113:
1114: void
1.24 nicm 1115: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1116: {
1.53 nicm 1117: struct window_pane *wp = ctx->wp;
1.1 nicm 1118:
1.53 nicm 1119: /*
1120: * Cannot rely on not being a partial character, so just redraw the
1121: * whole line.
1122: */
1.176 nicm 1123: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1124: }
1125:
1126: void
1127: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1128: {
1129: char *buf;
1130: size_t off;
1131:
1132: if (!tty_term_has(tty->term, TTYC_MS))
1133: return;
1134:
1135: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1136: buf = xmalloc(off);
1137:
1138: b64_ntop(ctx->ptr, ctx->num, buf, off);
1139: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1140:
1.138 nicm 1141: free(buf);
1.100 nicm 1142: }
1143:
1144: void
1145: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1146: {
1147: u_int i;
1148: u_char *str = ctx->ptr;
1149:
1150: for (i = 0; i < ctx->num; i++)
1151: tty_putc(tty, str[i]);
1.141 nicm 1152:
1153: tty->cx = tty->cy = UINT_MAX;
1154: tty->rupper = tty->rlower = UINT_MAX;
1155:
1.176 nicm 1156: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.141 nicm 1157: tty_cursor(tty, 0, 0);
1.1 nicm 1158: }
1159:
1160: void
1.176 nicm 1161: tty_cell(struct tty *tty, const struct grid_cell *gc,
1162: const struct window_pane *wp)
1.1 nicm 1163: {
1.147 nicm 1164: struct utf8_data ud;
1165: u_int i;
1.1 nicm 1166:
1167: /* Skip last character if terminal is stupid. */
1168: if (tty->term->flags & TERM_EARLYWRAP &&
1169: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
1170: return;
1171:
1172: /* If this is a padding character, do nothing. */
1173: if (gc->flags & GRID_FLAG_PADDING)
1174: return;
1175:
1176: /* Set the attributes. */
1.176 nicm 1177: tty_attributes(tty, gc, wp);
1.1 nicm 1178:
1.147 nicm 1179: /* Get the cell and if ASCII write with putc to do ACS translation. */
1180: grid_cell_get(gc, &ud);
1181: if (ud.size == 1) {
1182: if (*ud.data < 0x20 || *ud.data == 0x7f)
1.1 nicm 1183: return;
1.147 nicm 1184: tty_putc(tty, *ud.data);
1.1 nicm 1185: return;
1186: }
1187:
1.147 nicm 1188: /* If not UTF-8, write _. */
1.1 nicm 1189: if (!(tty->flags & TTY_UTF8)) {
1.147 nicm 1190: for (i = 0; i < ud.width; i++)
1.1 nicm 1191: tty_putc(tty, '_');
1192: return;
1193: }
1194:
1.147 nicm 1195: /* Write the data. */
1196: tty_putn(tty, ud.data, ud.size, ud.width);
1.1 nicm 1197: }
1198:
1199: void
1200: tty_reset(struct tty *tty)
1201: {
1202: struct grid_cell *gc = &tty->cell;
1203:
1204: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
1205: return;
1206:
1.90 nicm 1207: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1208: tty_putcode(tty, TTYC_RMACS);
1209: tty_putcode(tty, TTYC_SGR0);
1210: memcpy(gc, &grid_default_cell, sizeof *gc);
1211: }
1212:
1.40 nicm 1213: /* Set region inside pane. */
1.1 nicm 1214: void
1.39 nicm 1215: tty_region_pane(
1216: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 1217: {
1.113 nicm 1218: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1219: }
1220:
1.40 nicm 1221: /* Set region at absolute position. */
1.39 nicm 1222: void
1.40 nicm 1223: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1224: {
1225: if (tty->rlower == rlower && tty->rupper == rupper)
1226: return;
1.1 nicm 1227: if (!tty_term_has(tty->term, TTYC_CSR))
1228: return;
1.39 nicm 1229:
1230: tty->rupper = rupper;
1231: tty->rlower = rlower;
1.55 nicm 1232:
1233: /*
1234: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1235: * 0,0 if it is beyond the last column (they do not reset their wrap
1236: * flag so further output causes a line feed). As a workaround, do an
1237: * explicit move to 0 first.
1238: */
1239: if (tty->cx >= tty->sx)
1240: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1241:
1.39 nicm 1242: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1243: tty_cursor(tty, 0, 0);
1.1 nicm 1244: }
1245:
1.42 nicm 1246: /* Move cursor inside pane. */
1.1 nicm 1247: void
1.41 nicm 1248: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1249: {
1.113 nicm 1250: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1251: }
1252:
1.42 nicm 1253: /* Move cursor to absolute position. */
1.41 nicm 1254: void
1255: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1256: {
1.42 nicm 1257: struct tty_term *term = tty->term;
1258: u_int thisx, thisy;
1259: int change;
1.77 nicm 1260:
1.42 nicm 1261: if (cx > tty->sx - 1)
1262: cx = tty->sx - 1;
1263:
1264: thisx = tty->cx;
1265: thisy = tty->cy;
1266:
1267: /* No change. */
1268: if (cx == thisx && cy == thisy)
1269: return;
1270:
1.43 nicm 1271: /* Very end of the line, just use absolute movement. */
1272: if (thisx > tty->sx - 1)
1273: goto absolute;
1274:
1.42 nicm 1275: /* Move to home position (0, 0). */
1276: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1277: tty_putcode(tty, TTYC_HOME);
1278: goto out;
1279: }
1280:
1281: /* Zero on the next line. */
1.48 nicm 1282: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1283: tty_putc(tty, '\r');
1.42 nicm 1284: tty_putc(tty, '\n');
1285: goto out;
1286: }
1287:
1.45 nicm 1288: /* Moving column or row. */
1.42 nicm 1289: if (cy == thisy) {
1.45 nicm 1290: /*
1291: * Moving column only, row staying the same.
1292: */
1293:
1.42 nicm 1294: /* To left edge. */
1295: if (cx == 0) {
1296: tty_putc(tty, '\r');
1297: goto out;
1298: }
1299:
1300: /* One to the left. */
1301: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1302: tty_putcode(tty, TTYC_CUB1);
1303: goto out;
1304: }
1305:
1306: /* One to the right. */
1307: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1308: tty_putcode(tty, TTYC_CUF1);
1309: goto out;
1310: }
1311:
1312: /* Calculate difference. */
1313: change = thisx - cx; /* +ve left, -ve right */
1314:
1315: /*
1316: * Use HPA if change is larger than absolute, otherwise move
1317: * the cursor with CUB/CUF.
1318: */
1.87 nicm 1319: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1320: tty_putcode1(tty, TTYC_HPA, cx);
1321: goto out;
1322: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1323: tty_putcode1(tty, TTYC_CUB, change);
1324: goto out;
1325: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1326: tty_putcode1(tty, TTYC_CUF, -change);
1327: goto out;
1328: }
1.45 nicm 1329: } else if (cx == thisx) {
1330: /*
1331: * Moving row only, column staying the same.
1332: */
1.42 nicm 1333:
1334: /* One above. */
1.77 nicm 1335: if (thisy != tty->rupper &&
1.42 nicm 1336: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1337: tty_putcode(tty, TTYC_CUU1);
1338: goto out;
1339: }
1340:
1341: /* One below. */
1.49 nicm 1342: if (thisy != tty->rlower &&
1.42 nicm 1343: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1344: tty_putcode(tty, TTYC_CUD1);
1345: goto out;
1346: }
1347:
1348: /* Calculate difference. */
1349: change = thisy - cy; /* +ve up, -ve down */
1350:
1351: /*
1.77 nicm 1352: * Try to use VPA if change is larger than absolute or if this
1353: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1354: */
1.87 nicm 1355: if ((u_int) abs(change) > cy ||
1.42 nicm 1356: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1357: (change > 0 && cy - change < tty->rupper)) {
1358: if (tty_term_has(term, TTYC_VPA)) {
1359: tty_putcode1(tty, TTYC_VPA, cy);
1360: goto out;
1361: }
1.42 nicm 1362: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1363: tty_putcode1(tty, TTYC_CUU, change);
1364: goto out;
1365: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1366: tty_putcode1(tty, TTYC_CUD, -change);
1367: goto out;
1368: }
1369: }
1370:
1.43 nicm 1371: absolute:
1.42 nicm 1372: /* Absolute movement. */
1373: tty_putcode2(tty, TTYC_CUP, cy, cx);
1374:
1375: out:
1376: tty->cx = cx;
1377: tty->cy = cy;
1.1 nicm 1378: }
1379:
1380: void
1.176 nicm 1381: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1382: const struct window_pane *wp)
1.1 nicm 1383: {
1.63 nicm 1384: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1385: u_char changed;
1.61 nicm 1386:
1.85 nicm 1387: memcpy(&gc2, gc, sizeof gc2);
1.176 nicm 1388: tty_default_colours(&gc2, wp);
1.63 nicm 1389:
1.18 nicm 1390: /*
1391: * If no setab, try to use the reverse attribute as a best-effort for a
1392: * non-default background. This is a bit of a hack but it doesn't do
1393: * any serious harm and makes a couple of applications happier.
1394: */
1395: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1396: if (gc2.attr & GRID_ATTR_REVERSE) {
1397: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1398: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1399: } else {
1.85 nicm 1400: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1401: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1402: }
1403: }
1.1 nicm 1404:
1.85 nicm 1405: /* Fix up the colours if necessary. */
1406: tty_check_fg(tty, &gc2);
1407: tty_check_bg(tty, &gc2);
1408:
1.64 nicm 1409: /* If any bits are being cleared, reset everything. */
1.85 nicm 1410: if (tc->attr & ~gc2.attr)
1.64 nicm 1411: tty_reset(tty);
1412:
1413: /*
1414: * Set the colours. This may call tty_reset() (so it comes next) and
1415: * may add to (NOT remove) the desired attributes by changing new_attr.
1416: */
1.85 nicm 1417: tty_colours(tty, &gc2);
1.64 nicm 1418:
1.1 nicm 1419: /* Filter out attribute bits already set. */
1.85 nicm 1420: changed = gc2.attr & ~tc->attr;
1421: tc->attr = gc2.attr;
1.1 nicm 1422:
1423: /* Set the attributes. */
1424: if (changed & GRID_ATTR_BRIGHT)
1425: tty_putcode(tty, TTYC_BOLD);
1426: if (changed & GRID_ATTR_DIM)
1427: tty_putcode(tty, TTYC_DIM);
1.180 nicm 1428: if (changed & GRID_ATTR_ITALICS)
1429: tty_set_italics(tty);
1.1 nicm 1430: if (changed & GRID_ATTR_UNDERSCORE)
1431: tty_putcode(tty, TTYC_SMUL);
1432: if (changed & GRID_ATTR_BLINK)
1433: tty_putcode(tty, TTYC_BLINK);
1434: if (changed & GRID_ATTR_REVERSE) {
1435: if (tty_term_has(tty->term, TTYC_REV))
1436: tty_putcode(tty, TTYC_REV);
1437: else if (tty_term_has(tty->term, TTYC_SMSO))
1438: tty_putcode(tty, TTYC_SMSO);
1439: }
1440: if (changed & GRID_ATTR_HIDDEN)
1441: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1442: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1443: tty_putcode(tty, TTYC_SMACS);
1444: }
1445:
1.61 nicm 1446: void
1.85 nicm 1447: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1448: {
1.61 nicm 1449: struct grid_cell *tc = &tty->cell;
1.62 nicm 1450: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1451: int have_ax, fg_default, bg_default;
1.61 nicm 1452:
1453: /* No changes? Nothing is necessary. */
1.62 nicm 1454: if (fg == tc->fg && bg == tc->bg &&
1455: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1456: return;
1.1 nicm 1457:
1.61 nicm 1458: /*
1459: * Is either the default colour? This is handled specially because the
1460: * best solution might be to reset both colours to default, in which
1461: * case if only one is default need to fall onward to set the other
1462: * colour.
1463: */
1.62 nicm 1464: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1465: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1466: if (fg_default || bg_default) {
1467: /*
1468: * If don't have AX but do have op, send sgr0 (op can't
1469: * actually be used because it is sometimes the same as sgr0
1470: * and sometimes isn't). This resets both colours to default.
1471: *
1472: * Otherwise, try to set the default colour only as needed.
1473: */
1.174 nicm 1474: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 1475: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1476: tty_reset(tty);
1477: else {
1478: if (fg_default &&
1.81 nicm 1479: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1480: if (have_ax)
1481: tty_puts(tty, "\033[39m");
1.81 nicm 1482: else if (tc->fg != 7 ||
1483: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1484: tty_putcode1(tty, TTYC_SETAF, 7);
1485: tc->fg = 8;
1486: tc->flags &= ~GRID_FLAG_FG256;
1487: }
1488: if (bg_default &&
1.81 nicm 1489: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1490: if (have_ax)
1.61 nicm 1491: tty_puts(tty, "\033[49m");
1.81 nicm 1492: else if (tc->bg != 0 ||
1493: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1494: tty_putcode1(tty, TTYC_SETAB, 0);
1495: tc->bg = 8;
1496: tc->flags &= ~GRID_FLAG_BG256;
1497: }
1498: }
1499: }
1.1 nicm 1500:
1.61 nicm 1501: /* Set the foreground colour. */
1502: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1503: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 nicm 1504: tty_colours_fg(tty, gc);
1.1 nicm 1505:
1.61 nicm 1506: /*
1507: * Set the background colour. This must come after the foreground as
1508: * tty_colour_fg() can call tty_reset().
1509: */
1510: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1511: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1512: tty_colours_bg(tty, gc);
1.1 nicm 1513: }
1514:
1515: void
1.85 nicm 1516: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1517: {
1518: u_int colours;
1519:
1.175 nicm 1520: colours = tty_term_number(tty->term, TTYC_COLORS);
1521:
1.85 nicm 1522: /* Is this a 256-colour colour? */
1523: if (gc->flags & GRID_FLAG_FG256) {
1524: /* And not a 256 colour mode? */
1.158 nicm 1525: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1526: !(tty->term_flags & TERM_256COLOURS)) {
1527: gc->fg = colour_256to16(gc->fg);
1528: if (gc->fg & 8) {
1529: gc->fg &= 7;
1.175 nicm 1530: if (colours >= 16)
1531: gc->fg += 90;
1532: else
1533: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1534: } else
1535: gc->attr &= ~GRID_ATTR_BRIGHT;
1536: gc->flags &= ~GRID_FLAG_FG256;
1537: }
1538: return;
1539: }
1540:
1541: /* Is this an aixterm colour? */
1542: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1543: gc->fg -= 90;
1544: gc->attr |= GRID_ATTR_BRIGHT;
1545: }
1546: }
1547:
1548: void
1549: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1550: {
1551: u_int colours;
1552:
1.175 nicm 1553: colours = tty_term_number(tty->term, TTYC_COLORS);
1554:
1.85 nicm 1555: /* Is this a 256-colour colour? */
1556: if (gc->flags & GRID_FLAG_BG256) {
1557: /*
1558: * And not a 256 colour mode? Translate to 16-colour
1559: * palette. Bold background doesn't exist portably, so just
1560: * discard the bold bit if set.
1561: */
1.158 nicm 1562: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1563: !(tty->term_flags & TERM_256COLOURS)) {
1564: gc->bg = colour_256to16(gc->bg);
1.175 nicm 1565: if (gc->bg & 8) {
1.85 nicm 1566: gc->bg &= 7;
1.175 nicm 1567: if (colours >= 16)
1568: gc->fg += 90;
1569: }
1.85 nicm 1570: gc->flags &= ~GRID_FLAG_BG256;
1571: }
1572: return;
1573: }
1574:
1575: /* Is this an aixterm colour? */
1.175 nicm 1576: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 1577: gc->bg -= 90;
1578: }
1579:
1580: void
1581: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1582: {
1.61 nicm 1583: struct grid_cell *tc = &tty->cell;
1584: u_char fg = gc->fg;
1.79 nicm 1585: char s[32];
1.1 nicm 1586:
1.61 nicm 1587: /* Is this a 256-colour colour? */
1.1 nicm 1588: if (gc->flags & GRID_FLAG_FG256) {
1.158 nicm 1589: /* Try as 256 colours. */
1.1 nicm 1590: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1591: goto save_fg;
1.85 nicm 1592: /* Else already handled by tty_check_fg. */
1593: return;
1.1 nicm 1594: }
1595:
1.79 nicm 1596: /* Is this an aixterm bright colour? */
1597: if (fg >= 90 && fg <= 97) {
1.85 nicm 1598: xsnprintf(s, sizeof s, "\033[%dm", fg);
1599: tty_puts(tty, s);
1600: goto save_fg;
1.79 nicm 1601: }
1602:
1.61 nicm 1603: /* Otherwise set the foreground colour. */
1604: tty_putcode1(tty, TTYC_SETAF, fg);
1605:
1.77 nicm 1606: save_fg:
1.61 nicm 1607: /* Save the new values in the terminal current cell. */
1608: tc->fg = fg;
1609: tc->flags &= ~GRID_FLAG_FG256;
1610: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1611: }
1612:
1613: void
1.73 nicm 1614: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1615: {
1.61 nicm 1616: struct grid_cell *tc = &tty->cell;
1617: u_char bg = gc->bg;
1.79 nicm 1618: char s[32];
1.1 nicm 1619:
1.61 nicm 1620: /* Is this a 256-colour colour? */
1.1 nicm 1621: if (gc->flags & GRID_FLAG_BG256) {
1.158 nicm 1622: /* Try as 256 colours. */
1.1 nicm 1623: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1624: goto save_bg;
1.85 nicm 1625: /* Else already handled by tty_check_bg. */
1626: return;
1.79 nicm 1627: }
1628:
1629: /* Is this an aixterm bright colour? */
1.112 nicm 1630: if (bg >= 90 && bg <= 97) {
1.175 nicm 1631: xsnprintf(s, sizeof s, "\033[%dm", bg + 10);
1632: tty_puts(tty, s);
1633: goto save_bg;
1.1 nicm 1634: }
1635:
1.61 nicm 1636: /* Otherwise set the background colour. */
1637: tty_putcode1(tty, TTYC_SETAB, bg);
1638:
1639: save_bg:
1640: /* Save the new values in the terminal current cell. */
1641: tc->bg = bg;
1642: tc->flags &= ~GRID_FLAG_BG256;
1643: tc->flags |= gc->flags & GRID_FLAG_BG256;
1644: }
1645:
1646: int
1647: tty_try_256(struct tty *tty, u_char colour, const char *type)
1648: {
1649: char s[32];
1650:
1.165 nicm 1651: /*
1652: * If the terminfo entry has 256 colours, assume that setaf and setab
1653: * work correctly.
1654: */
1655: if (tty->term->flags & TERM_256COLOURS) {
1656: if (*type == '3')
1657: tty_putcode1(tty, TTYC_SETAF, colour);
1658: else
1659: tty_putcode1(tty, TTYC_SETAB, colour);
1660: return (0);
1661: }
1662:
1663: /*
1664: * If the user has specified -2 to the client, setaf and setab may not
1665: * work, so send the usual sequence.
1666: */
1667: if (tty->term_flags & TERM_256COLOURS) {
1668: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1669: tty_puts(tty, s);
1670: return (0);
1671: }
1.61 nicm 1672:
1.165 nicm 1673: return (-1);
1.176 nicm 1674: }
1675:
1676: void
1677: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
1678: {
1679: const struct grid_cell *agc, *pgc, *wgc;
1680:
1681: if (wp == NULL)
1682: return;
1683:
1684: pgc = &wp->colgc;
1685: agc = options_get_style(&wp->window->options, "window-active-style");
1686: wgc = options_get_style(&wp->window->options, "window-style");
1687:
1688: if (gc->fg == 8 && !(gc->flags & GRID_FLAG_FG256)) {
1689: if (pgc->fg != 8 || (pgc->flags & GRID_FLAG_FG256)) {
1690: gc->fg = pgc->fg;
1691: gc->flags |= (pgc->flags & GRID_FLAG_FG256);
1692: } else if (wp == wp->window->active &&
1693: (agc->fg != 8 || (agc->flags & GRID_FLAG_FG256))) {
1694: gc->fg = agc->fg;
1695: gc->flags |= (agc->flags & GRID_FLAG_FG256);
1696: } else {
1697: gc->fg = wgc->fg;
1698: gc->flags |= (wgc->flags & GRID_FLAG_FG256);
1699: }
1700: }
1701:
1702: if (gc->bg == 8 && !(gc->flags & GRID_FLAG_BG256)) {
1703: if (pgc->bg != 8 || (pgc->flags & GRID_FLAG_BG256)) {
1704: gc->bg = pgc->bg;
1705: gc->flags |= (pgc->flags & GRID_FLAG_BG256);
1706: } else if (wp == wp->window->active &&
1707: (agc->bg != 8 || (agc->flags & GRID_FLAG_BG256))) {
1708: gc->bg = agc->bg;
1709: gc->flags |= (agc->flags & GRID_FLAG_BG256);
1710: } else {
1711: gc->bg = wgc->bg;
1712: gc->flags |= (wgc->flags & GRID_FLAG_BG256);
1713: }
1714: }
1.110 nicm 1715: }
1716:
1717: void
1718: tty_bell(struct tty *tty)
1719: {
1720: tty_putcode(tty, TTYC_BEL);
1.1 nicm 1721: }
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