Annotation of src/usr.bin/tmux/tty.c, Revision 1.180
1.180 ! nicm 1: /* $OpenBSD: tty.c,v 1.179 2015/04/25 15:57:48 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:
1.107 nicm 503: if (strcmp(s->ccolour, tty->ccolour))
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: }
520: if (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;
670:
1.107 nicm 671: tty_update_mode(tty, tty->mode & ~MODE_CURSOR, s);
1.35 nicm 672:
1.1 nicm 673: sx = screen_size_x(s);
1.19 nicm 674: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
675: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 676: if (sx > tty->sx)
677: sx = tty->sx;
678:
1.46 nicm 679: /*
1.174 nicm 680: * Don't move the cursor to the start position if it will wrap there
1.50 nicm 681: * itself.
1.46 nicm 682: */
683: gl = NULL;
684: if (py != 0)
685: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 686: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 687: tty->cx < tty->sx || ox != 0 ||
688: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 689: tty_cursor(tty, ox, oy + py);
690:
1.1 nicm 691: for (i = 0; i < sx; i++) {
692: gc = grid_view_peek_cell(s->grid, i, py);
693: if (screen_check_selection(s, i, py)) {
1.16 nicm 694: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
1.147 nicm 695: grid_cell_get(gc, &ud);
696: grid_cell_set(&tmpgc, &ud);
1.77 nicm 697: tmpgc.flags = gc->flags &
1.38 nicm 698: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
699: tmpgc.flags |= s->sel.cell.flags &
700: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.176 nicm 701: tty_cell(tty, &tmpgc, wp);
1.1 nicm 702: } else
1.176 nicm 703: tty_cell(tty, gc, wp);
1.1 nicm 704: }
705:
1.35 nicm 706: if (sx >= tty->sx) {
1.107 nicm 707: tty_update_mode(tty, tty->mode, s);
1.1 nicm 708: return;
1.35 nicm 709: }
1.176 nicm 710: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 711:
1.41 nicm 712: tty_cursor(tty, ox + sx, oy + py);
1.126 nicm 713: if (sx != screen_size_x(s) && ox + screen_size_x(s) >= tty->sx &&
1.176 nicm 714: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp))
1.1 nicm 715: tty_putcode(tty, TTYC_EL);
1.133 nicm 716: else
717: tty_repeat_space(tty, screen_size_x(s) - sx);
1.107 nicm 718: tty_update_mode(tty, tty->mode, s);
1.15 nicm 719: }
720:
721: void
1.113 nicm 722: tty_write(
723: void (*cmdfn)(struct tty *, const struct tty_ctx *), struct tty_ctx *ctx)
1.15 nicm 724: {
725: struct window_pane *wp = ctx->wp;
726: struct client *c;
727:
1.75 nicm 728: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 729: if (wp == NULL)
730: return;
731:
732: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
733: return;
1.129 nicm 734: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 735: return;
736:
1.178 nicm 737: TAILQ_FOREACH(c, &clients, entry) {
738: if (c->session == NULL || c->tty.term == NULL)
1.15 nicm 739: continue;
1.142 nicm 740: if (c->flags & CLIENT_SUSPENDED)
741: continue;
742: if (c->tty.flags & TTY_FREEZE)
1.139 nicm 743: continue;
744: if (c->session->curw->window != wp->window)
1.15 nicm 745: continue;
746:
1.139 nicm 747: ctx->xoff = wp->xoff;
748: ctx->yoff = wp->yoff;
749: if (status_at_line(c) == 0)
750: ctx->yoff++;
1.113 nicm 751:
1.139 nicm 752: cmdfn(&c->tty, ctx);
1.1 nicm 753: }
754: }
755:
756: void
1.24 nicm 757: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 758: {
1.77 nicm 759: struct window_pane *wp = ctx->wp;
1.1 nicm 760:
1.135 nicm 761: if (!tty_pane_full_width(tty, ctx)) {
1.176 nicm 762: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 763: return;
764: }
765:
1.176 nicm 766: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 767:
1.77 nicm 768: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 769:
1.176 nicm 770: if (!tty_fake_bce(tty, wp) && (tty_term_has(tty->term, TTYC_ICH) ||
771: tty_term_has(tty->term, TTYC_ICH1)))
1.12 nicm 772: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.134 nicm 773: else
1.176 nicm 774: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 775: }
776:
777: void
1.24 nicm 778: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 779: {
1.77 nicm 780: struct window_pane *wp = ctx->wp;
1.1 nicm 781:
1.176 nicm 782: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, wp) ||
1.26 nicm 783: (!tty_term_has(tty->term, TTYC_DCH) &&
784: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 785: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 786: return;
787: }
788:
1.176 nicm 789: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 790:
1.77 nicm 791: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 792:
1.26 nicm 793: if (tty_term_has(tty->term, TTYC_DCH) ||
794: tty_term_has(tty->term, TTYC_DCH1))
795: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 796: }
797:
798: void
799: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
800: {
801: u_int i;
802:
1.176 nicm 803: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.146 nicm 804:
805: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
806:
1.176 nicm 807: if (tty_term_has(tty->term, TTYC_ECH) && !tty_fake_bce(tty, ctx->wp))
1.146 nicm 808: tty_putcode1(tty, TTYC_ECH, ctx->num);
809: else {
810: for (i = 0; i < ctx->num; i++)
811: tty_putc(tty, ' ');
812: }
1.1 nicm 813: }
814:
815: void
1.24 nicm 816: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 817: {
1.176 nicm 818: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.77 nicm 819: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 820: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 821: tty_redraw_region(tty, ctx);
1.1 nicm 822: return;
823: }
824:
1.176 nicm 825: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 826:
1.77 nicm 827: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
828: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 829:
1.12 nicm 830: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 831: }
832:
833: void
1.24 nicm 834: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 835: {
1.176 nicm 836: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.72 nicm 837: !tty_term_has(tty->term, TTYC_CSR) ||
838: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 839: tty_redraw_region(tty, ctx);
1.1 nicm 840: return;
841: }
842:
1.176 nicm 843: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 844:
1.77 nicm 845: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
846: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 847:
1.12 nicm 848: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 849: }
850:
851: void
1.24 nicm 852: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 853: {
1.77 nicm 854: struct window_pane *wp = ctx->wp;
1.12 nicm 855: struct screen *s = wp->screen;
1.1 nicm 856:
1.176 nicm 857: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 858:
1.77 nicm 859: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 860:
1.176 nicm 861: if (tty_pane_full_width(tty, ctx) && !tty_fake_bce(tty, wp) &&
862: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 863: tty_putcode(tty, TTYC_EL);
1.133 nicm 864: else
865: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 866: }
867:
868: void
1.24 nicm 869: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 870: {
1.77 nicm 871: struct window_pane *wp = ctx->wp;
1.12 nicm 872: struct screen *s = wp->screen;
1.1 nicm 873:
1.176 nicm 874: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 875:
1.41 nicm 876: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
877:
1.176 nicm 878: if (tty_pane_full_width(tty, ctx) &&
879: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp))
1.1 nicm 880: tty_putcode(tty, TTYC_EL);
1.133 nicm 881: else
882: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.1 nicm 883: }
884:
885: void
1.24 nicm 886: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 887: {
1.176 nicm 888: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 889:
1.176 nicm 890: if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1) &&
891: !tty_fake_bce(tty, ctx->wp)) {
1.41 nicm 892: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 893: tty_putcode(tty, TTYC_EL1);
894: } else {
1.41 nicm 895: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 896: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 897: }
898: }
899:
900: void
1.24 nicm 901: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 902: {
1.56 nicm 903: if (ctx->ocy != ctx->orupper)
904: return;
905:
1.176 nicm 906: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.70 nicm 907: !tty_term_has(tty->term, TTYC_CSR) ||
908: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 909: tty_redraw_region(tty, ctx);
1.1 nicm 910: return;
911: }
912:
1.176 nicm 913: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.77 nicm 914:
1.56 nicm 915: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
916: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 917:
1.56 nicm 918: tty_putcode(tty, TTYC_RI);
1.1 nicm 919: }
920:
921: void
1.24 nicm 922: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 923: {
1.77 nicm 924: struct window_pane *wp = ctx->wp;
1.1 nicm 925:
1.56 nicm 926: if (ctx->ocy != ctx->orlower)
927: return;
928:
1.176 nicm 929: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, wp) ||
1.1 nicm 930: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 931: if (tty_large_region(tty, ctx))
932: wp->flags |= PANE_REDRAW;
1.140 nicm 933: else
1.128 nicm 934: tty_redraw_region(tty, ctx);
1.1 nicm 935: return;
936: }
1.52 nicm 937:
938: /*
939: * If this line wrapped naturally (ctx->num is nonzero), don't do
940: * anything - the cursor can just be moved to the last cell and wrap
941: * naturally.
942: */
943: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
944: return;
1.1 nicm 945:
1.176 nicm 946: tty_attributes(tty, &grid_default_cell, wp);
1.77 nicm 947:
1.56 nicm 948: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
949: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 950:
1.56 nicm 951: tty_putc(tty, '\n');
1.1 nicm 952: }
953:
954: void
1.24 nicm 955: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 956: {
1.77 nicm 957: struct window_pane *wp = ctx->wp;
1.12 nicm 958: struct screen *s = wp->screen;
959: u_int i, j;
1.1 nicm 960:
1.176 nicm 961: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 962:
1.39 nicm 963: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 964: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 965:
1.176 nicm 966: if (tty_pane_full_width(tty, ctx) &&
967: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.1 nicm 968: tty_putcode(tty, TTYC_EL);
1.14 nicm 969: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 970: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 971: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 972: tty_putcode(tty, TTYC_EL);
973: if (i == screen_size_y(s) - 1)
974: continue;
975: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
976: tty->cy++;
977: }
978: }
979: } else {
1.133 nicm 980: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.68 nicm 981: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 982: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 983: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 984: }
985: }
986: }
987:
988: void
1.24 nicm 989: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 990: {
1.77 nicm 991: struct window_pane *wp = ctx->wp;
1.12 nicm 992: struct screen *s = wp->screen;
993: u_int i, j;
1.1 nicm 994:
1.176 nicm 995: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 996:
1.39 nicm 997: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 998: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 999:
1.176 nicm 1000: if (tty_pane_full_width(tty, ctx) &&
1001: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.14 nicm 1002: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 1003: tty_putcode(tty, TTYC_EL);
1004: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1005: tty->cy++;
1006: }
1007: } else {
1.14 nicm 1008: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 1009: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1010: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1011: }
1012: }
1.133 nicm 1013: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 1014: }
1015:
1016: void
1.24 nicm 1017: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1018: {
1.77 nicm 1019: struct window_pane *wp = ctx->wp;
1.12 nicm 1020: struct screen *s = wp->screen;
1021: u_int i, j;
1.1 nicm 1022:
1.176 nicm 1023: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 1024:
1.39 nicm 1025: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 1026: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 1027:
1.176 nicm 1028: if (tty_pane_full_width(tty, ctx) &&
1029: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.1 nicm 1030: for (i = 0; i < screen_size_y(s); i++) {
1031: tty_putcode(tty, TTYC_EL);
1032: if (i != screen_size_y(s) - 1) {
1033: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1034: tty->cy++;
1035: }
1036: }
1037: } else {
1038: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1039: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1040: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1041: }
1.4 nicm 1042: }
1043: }
1044:
1045: void
1.24 nicm 1046: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1047: {
1.12 nicm 1048: struct window_pane *wp = ctx->wp;
1049: struct screen *s = wp->screen;
1050: u_int i, j;
1.4 nicm 1051:
1.176 nicm 1052: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1053:
1.39 nicm 1054: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 1055:
1056: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1057: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1058: for (i = 0; i < screen_size_x(s); i++)
1059: tty_putc(tty, 'E');
1.1 nicm 1060: }
1061: }
1062:
1063: void
1.24 nicm 1064: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1065: {
1.46 nicm 1066: struct window_pane *wp = ctx->wp;
1067: struct screen *s = wp->screen;
1.58 nicm 1068: u_int cx;
1.102 nicm 1069: u_int width;
1.46 nicm 1070:
1071: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1072:
1.57 nicm 1073: /* Is the cursor in the very last position? */
1.147 nicm 1074: width = grid_cell_width(ctx->cell);
1.102 nicm 1075: if (ctx->ocx > wp->sx - width) {
1.113 nicm 1076: if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57 nicm 1077: /*
1078: * The pane doesn't fill the entire line, the linefeed
1079: * will already have happened, so just move the cursor.
1080: */
1.125 nicm 1081: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 1082: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1083: else
1084: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.57 nicm 1085: } else if (tty->cx < tty->sx) {
1086: /*
1087: * The cursor isn't in the last position already, so
1.102 nicm 1088: * move as far left as possible and redraw the last
1.57 nicm 1089: * cell to move into the last position.
1090: */
1.147 nicm 1091: cx = screen_size_x(s) - grid_cell_width(&ctx->last_cell);
1.50 nicm 1092: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1.176 nicm 1093: tty_cell(tty, &ctx->last_cell, wp);
1.50 nicm 1094: }
1095: } else
1.46 nicm 1096: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1097:
1.176 nicm 1098: tty_cell(tty, ctx->cell, wp);
1.1 nicm 1099: }
1100:
1101: void
1.24 nicm 1102: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1103: {
1.53 nicm 1104: struct window_pane *wp = ctx->wp;
1.1 nicm 1105:
1.53 nicm 1106: /*
1107: * Cannot rely on not being a partial character, so just redraw the
1108: * whole line.
1109: */
1.176 nicm 1110: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1111: }
1112:
1113: void
1114: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1115: {
1116: char *buf;
1117: size_t off;
1118:
1119: if (!tty_term_has(tty->term, TTYC_MS))
1120: return;
1121:
1122: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1123: buf = xmalloc(off);
1124:
1125: b64_ntop(ctx->ptr, ctx->num, buf, off);
1126: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1127:
1.138 nicm 1128: free(buf);
1.100 nicm 1129: }
1130:
1131: void
1132: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1133: {
1134: u_int i;
1135: u_char *str = ctx->ptr;
1136:
1137: for (i = 0; i < ctx->num; i++)
1138: tty_putc(tty, str[i]);
1.141 nicm 1139:
1140: tty->cx = tty->cy = UINT_MAX;
1141: tty->rupper = tty->rlower = UINT_MAX;
1142:
1.176 nicm 1143: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.141 nicm 1144: tty_cursor(tty, 0, 0);
1.1 nicm 1145: }
1146:
1147: void
1.176 nicm 1148: tty_cell(struct tty *tty, const struct grid_cell *gc,
1149: const struct window_pane *wp)
1.1 nicm 1150: {
1.147 nicm 1151: struct utf8_data ud;
1152: u_int i;
1.1 nicm 1153:
1154: /* Skip last character if terminal is stupid. */
1155: if (tty->term->flags & TERM_EARLYWRAP &&
1156: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
1157: return;
1158:
1159: /* If this is a padding character, do nothing. */
1160: if (gc->flags & GRID_FLAG_PADDING)
1161: return;
1162:
1163: /* Set the attributes. */
1.176 nicm 1164: tty_attributes(tty, gc, wp);
1.1 nicm 1165:
1.147 nicm 1166: /* Get the cell and if ASCII write with putc to do ACS translation. */
1167: grid_cell_get(gc, &ud);
1168: if (ud.size == 1) {
1169: if (*ud.data < 0x20 || *ud.data == 0x7f)
1.1 nicm 1170: return;
1.147 nicm 1171: tty_putc(tty, *ud.data);
1.1 nicm 1172: return;
1173: }
1174:
1.147 nicm 1175: /* If not UTF-8, write _. */
1.1 nicm 1176: if (!(tty->flags & TTY_UTF8)) {
1.147 nicm 1177: for (i = 0; i < ud.width; i++)
1.1 nicm 1178: tty_putc(tty, '_');
1179: return;
1180: }
1181:
1.147 nicm 1182: /* Write the data. */
1183: tty_putn(tty, ud.data, ud.size, ud.width);
1.1 nicm 1184: }
1185:
1186: void
1187: tty_reset(struct tty *tty)
1188: {
1189: struct grid_cell *gc = &tty->cell;
1190:
1191: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
1192: return;
1193:
1.90 nicm 1194: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1195: tty_putcode(tty, TTYC_RMACS);
1196: tty_putcode(tty, TTYC_SGR0);
1197: memcpy(gc, &grid_default_cell, sizeof *gc);
1198: }
1199:
1.40 nicm 1200: /* Set region inside pane. */
1.1 nicm 1201: void
1.39 nicm 1202: tty_region_pane(
1203: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 1204: {
1.113 nicm 1205: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1206: }
1207:
1.40 nicm 1208: /* Set region at absolute position. */
1.39 nicm 1209: void
1.40 nicm 1210: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1211: {
1212: if (tty->rlower == rlower && tty->rupper == rupper)
1213: return;
1.1 nicm 1214: if (!tty_term_has(tty->term, TTYC_CSR))
1215: return;
1.39 nicm 1216:
1217: tty->rupper = rupper;
1218: tty->rlower = rlower;
1.55 nicm 1219:
1220: /*
1221: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1222: * 0,0 if it is beyond the last column (they do not reset their wrap
1223: * flag so further output causes a line feed). As a workaround, do an
1224: * explicit move to 0 first.
1225: */
1226: if (tty->cx >= tty->sx)
1227: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1228:
1.39 nicm 1229: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1230: tty_cursor(tty, 0, 0);
1.1 nicm 1231: }
1232:
1.42 nicm 1233: /* Move cursor inside pane. */
1.1 nicm 1234: void
1.41 nicm 1235: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1236: {
1.113 nicm 1237: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1238: }
1239:
1.42 nicm 1240: /* Move cursor to absolute position. */
1.41 nicm 1241: void
1242: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1243: {
1.42 nicm 1244: struct tty_term *term = tty->term;
1245: u_int thisx, thisy;
1246: int change;
1.77 nicm 1247:
1.42 nicm 1248: if (cx > tty->sx - 1)
1249: cx = tty->sx - 1;
1250:
1251: thisx = tty->cx;
1252: thisy = tty->cy;
1253:
1254: /* No change. */
1255: if (cx == thisx && cy == thisy)
1256: return;
1257:
1.43 nicm 1258: /* Very end of the line, just use absolute movement. */
1259: if (thisx > tty->sx - 1)
1260: goto absolute;
1261:
1.42 nicm 1262: /* Move to home position (0, 0). */
1263: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1264: tty_putcode(tty, TTYC_HOME);
1265: goto out;
1266: }
1267:
1268: /* Zero on the next line. */
1.48 nicm 1269: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1270: tty_putc(tty, '\r');
1.42 nicm 1271: tty_putc(tty, '\n');
1272: goto out;
1273: }
1274:
1.45 nicm 1275: /* Moving column or row. */
1.42 nicm 1276: if (cy == thisy) {
1.45 nicm 1277: /*
1278: * Moving column only, row staying the same.
1279: */
1280:
1.42 nicm 1281: /* To left edge. */
1282: if (cx == 0) {
1283: tty_putc(tty, '\r');
1284: goto out;
1285: }
1286:
1287: /* One to the left. */
1288: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1289: tty_putcode(tty, TTYC_CUB1);
1290: goto out;
1291: }
1292:
1293: /* One to the right. */
1294: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1295: tty_putcode(tty, TTYC_CUF1);
1296: goto out;
1297: }
1298:
1299: /* Calculate difference. */
1300: change = thisx - cx; /* +ve left, -ve right */
1301:
1302: /*
1303: * Use HPA if change is larger than absolute, otherwise move
1304: * the cursor with CUB/CUF.
1305: */
1.87 nicm 1306: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1307: tty_putcode1(tty, TTYC_HPA, cx);
1308: goto out;
1309: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1310: tty_putcode1(tty, TTYC_CUB, change);
1311: goto out;
1312: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1313: tty_putcode1(tty, TTYC_CUF, -change);
1314: goto out;
1315: }
1.45 nicm 1316: } else if (cx == thisx) {
1317: /*
1318: * Moving row only, column staying the same.
1319: */
1.42 nicm 1320:
1321: /* One above. */
1.77 nicm 1322: if (thisy != tty->rupper &&
1.42 nicm 1323: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1324: tty_putcode(tty, TTYC_CUU1);
1325: goto out;
1326: }
1327:
1328: /* One below. */
1.49 nicm 1329: if (thisy != tty->rlower &&
1.42 nicm 1330: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1331: tty_putcode(tty, TTYC_CUD1);
1332: goto out;
1333: }
1334:
1335: /* Calculate difference. */
1336: change = thisy - cy; /* +ve up, -ve down */
1337:
1338: /*
1.77 nicm 1339: * Try to use VPA if change is larger than absolute or if this
1340: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1341: */
1.87 nicm 1342: if ((u_int) abs(change) > cy ||
1.42 nicm 1343: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1344: (change > 0 && cy - change < tty->rupper)) {
1345: if (tty_term_has(term, TTYC_VPA)) {
1346: tty_putcode1(tty, TTYC_VPA, cy);
1347: goto out;
1348: }
1.42 nicm 1349: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1350: tty_putcode1(tty, TTYC_CUU, change);
1351: goto out;
1352: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1353: tty_putcode1(tty, TTYC_CUD, -change);
1354: goto out;
1355: }
1356: }
1357:
1.43 nicm 1358: absolute:
1.42 nicm 1359: /* Absolute movement. */
1360: tty_putcode2(tty, TTYC_CUP, cy, cx);
1361:
1362: out:
1363: tty->cx = cx;
1364: tty->cy = cy;
1.1 nicm 1365: }
1366:
1367: void
1.176 nicm 1368: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1369: const struct window_pane *wp)
1.1 nicm 1370: {
1.63 nicm 1371: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1372: u_char changed;
1.61 nicm 1373:
1.85 nicm 1374: memcpy(&gc2, gc, sizeof gc2);
1.176 nicm 1375: tty_default_colours(&gc2, wp);
1.63 nicm 1376:
1.18 nicm 1377: /*
1378: * If no setab, try to use the reverse attribute as a best-effort for a
1379: * non-default background. This is a bit of a hack but it doesn't do
1380: * any serious harm and makes a couple of applications happier.
1381: */
1382: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1383: if (gc2.attr & GRID_ATTR_REVERSE) {
1384: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1385: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1386: } else {
1.85 nicm 1387: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1388: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1389: }
1390: }
1.1 nicm 1391:
1.85 nicm 1392: /* Fix up the colours if necessary. */
1393: tty_check_fg(tty, &gc2);
1394: tty_check_bg(tty, &gc2);
1395:
1.64 nicm 1396: /* If any bits are being cleared, reset everything. */
1.85 nicm 1397: if (tc->attr & ~gc2.attr)
1.64 nicm 1398: tty_reset(tty);
1399:
1400: /*
1401: * Set the colours. This may call tty_reset() (so it comes next) and
1402: * may add to (NOT remove) the desired attributes by changing new_attr.
1403: */
1.85 nicm 1404: tty_colours(tty, &gc2);
1.64 nicm 1405:
1.1 nicm 1406: /* Filter out attribute bits already set. */
1.85 nicm 1407: changed = gc2.attr & ~tc->attr;
1408: tc->attr = gc2.attr;
1.1 nicm 1409:
1410: /* Set the attributes. */
1411: if (changed & GRID_ATTR_BRIGHT)
1412: tty_putcode(tty, TTYC_BOLD);
1413: if (changed & GRID_ATTR_DIM)
1414: tty_putcode(tty, TTYC_DIM);
1.180 ! nicm 1415: if (changed & GRID_ATTR_ITALICS)
! 1416: tty_set_italics(tty);
1.1 nicm 1417: if (changed & GRID_ATTR_UNDERSCORE)
1418: tty_putcode(tty, TTYC_SMUL);
1419: if (changed & GRID_ATTR_BLINK)
1420: tty_putcode(tty, TTYC_BLINK);
1421: if (changed & GRID_ATTR_REVERSE) {
1422: if (tty_term_has(tty->term, TTYC_REV))
1423: tty_putcode(tty, TTYC_REV);
1424: else if (tty_term_has(tty->term, TTYC_SMSO))
1425: tty_putcode(tty, TTYC_SMSO);
1426: }
1427: if (changed & GRID_ATTR_HIDDEN)
1428: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1429: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1430: tty_putcode(tty, TTYC_SMACS);
1431: }
1432:
1.61 nicm 1433: void
1.85 nicm 1434: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1435: {
1.61 nicm 1436: struct grid_cell *tc = &tty->cell;
1.62 nicm 1437: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1438: int have_ax, fg_default, bg_default;
1.61 nicm 1439:
1440: /* No changes? Nothing is necessary. */
1.62 nicm 1441: if (fg == tc->fg && bg == tc->bg &&
1442: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1443: return;
1.1 nicm 1444:
1.61 nicm 1445: /*
1446: * Is either the default colour? This is handled specially because the
1447: * best solution might be to reset both colours to default, in which
1448: * case if only one is default need to fall onward to set the other
1449: * colour.
1450: */
1.62 nicm 1451: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1452: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1453: if (fg_default || bg_default) {
1454: /*
1455: * If don't have AX but do have op, send sgr0 (op can't
1456: * actually be used because it is sometimes the same as sgr0
1457: * and sometimes isn't). This resets both colours to default.
1458: *
1459: * Otherwise, try to set the default colour only as needed.
1460: */
1.174 nicm 1461: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 1462: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1463: tty_reset(tty);
1464: else {
1465: if (fg_default &&
1.81 nicm 1466: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1467: if (have_ax)
1468: tty_puts(tty, "\033[39m");
1.81 nicm 1469: else if (tc->fg != 7 ||
1470: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1471: tty_putcode1(tty, TTYC_SETAF, 7);
1472: tc->fg = 8;
1473: tc->flags &= ~GRID_FLAG_FG256;
1474: }
1475: if (bg_default &&
1.81 nicm 1476: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1477: if (have_ax)
1.61 nicm 1478: tty_puts(tty, "\033[49m");
1.81 nicm 1479: else if (tc->bg != 0 ||
1480: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1481: tty_putcode1(tty, TTYC_SETAB, 0);
1482: tc->bg = 8;
1483: tc->flags &= ~GRID_FLAG_BG256;
1484: }
1485: }
1486: }
1.1 nicm 1487:
1.61 nicm 1488: /* Set the foreground colour. */
1489: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1490: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 nicm 1491: tty_colours_fg(tty, gc);
1.1 nicm 1492:
1.61 nicm 1493: /*
1494: * Set the background colour. This must come after the foreground as
1495: * tty_colour_fg() can call tty_reset().
1496: */
1497: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1498: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1499: tty_colours_bg(tty, gc);
1.1 nicm 1500: }
1501:
1502: void
1.85 nicm 1503: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1504: {
1505: u_int colours;
1506:
1.175 nicm 1507: colours = tty_term_number(tty->term, TTYC_COLORS);
1508:
1.85 nicm 1509: /* Is this a 256-colour colour? */
1510: if (gc->flags & GRID_FLAG_FG256) {
1511: /* And not a 256 colour mode? */
1.158 nicm 1512: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1513: !(tty->term_flags & TERM_256COLOURS)) {
1514: gc->fg = colour_256to16(gc->fg);
1515: if (gc->fg & 8) {
1516: gc->fg &= 7;
1.175 nicm 1517: if (colours >= 16)
1518: gc->fg += 90;
1519: else
1520: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1521: } else
1522: gc->attr &= ~GRID_ATTR_BRIGHT;
1523: gc->flags &= ~GRID_FLAG_FG256;
1524: }
1525: return;
1526: }
1527:
1528: /* Is this an aixterm colour? */
1529: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1530: gc->fg -= 90;
1531: gc->attr |= GRID_ATTR_BRIGHT;
1532: }
1533: }
1534:
1535: void
1536: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1537: {
1538: u_int colours;
1539:
1.175 nicm 1540: colours = tty_term_number(tty->term, TTYC_COLORS);
1541:
1.85 nicm 1542: /* Is this a 256-colour colour? */
1543: if (gc->flags & GRID_FLAG_BG256) {
1544: /*
1545: * And not a 256 colour mode? Translate to 16-colour
1546: * palette. Bold background doesn't exist portably, so just
1547: * discard the bold bit if set.
1548: */
1.158 nicm 1549: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1550: !(tty->term_flags & TERM_256COLOURS)) {
1551: gc->bg = colour_256to16(gc->bg);
1.175 nicm 1552: if (gc->bg & 8) {
1.85 nicm 1553: gc->bg &= 7;
1.175 nicm 1554: if (colours >= 16)
1555: gc->fg += 90;
1556: }
1.85 nicm 1557: gc->flags &= ~GRID_FLAG_BG256;
1558: }
1559: return;
1560: }
1561:
1562: /* Is this an aixterm colour? */
1.175 nicm 1563: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 1564: gc->bg -= 90;
1565: }
1566:
1567: void
1568: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1569: {
1.61 nicm 1570: struct grid_cell *tc = &tty->cell;
1571: u_char fg = gc->fg;
1.79 nicm 1572: char s[32];
1.1 nicm 1573:
1.61 nicm 1574: /* Is this a 256-colour colour? */
1.1 nicm 1575: if (gc->flags & GRID_FLAG_FG256) {
1.158 nicm 1576: /* Try as 256 colours. */
1.1 nicm 1577: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1578: goto save_fg;
1.85 nicm 1579: /* Else already handled by tty_check_fg. */
1580: return;
1.1 nicm 1581: }
1582:
1.79 nicm 1583: /* Is this an aixterm bright colour? */
1584: if (fg >= 90 && fg <= 97) {
1.85 nicm 1585: xsnprintf(s, sizeof s, "\033[%dm", fg);
1586: tty_puts(tty, s);
1587: goto save_fg;
1.79 nicm 1588: }
1589:
1.61 nicm 1590: /* Otherwise set the foreground colour. */
1591: tty_putcode1(tty, TTYC_SETAF, fg);
1592:
1.77 nicm 1593: save_fg:
1.61 nicm 1594: /* Save the new values in the terminal current cell. */
1595: tc->fg = fg;
1596: tc->flags &= ~GRID_FLAG_FG256;
1597: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1598: }
1599:
1600: void
1.73 nicm 1601: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1602: {
1.61 nicm 1603: struct grid_cell *tc = &tty->cell;
1604: u_char bg = gc->bg;
1.79 nicm 1605: char s[32];
1.1 nicm 1606:
1.61 nicm 1607: /* Is this a 256-colour colour? */
1.1 nicm 1608: if (gc->flags & GRID_FLAG_BG256) {
1.158 nicm 1609: /* Try as 256 colours. */
1.1 nicm 1610: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1611: goto save_bg;
1.85 nicm 1612: /* Else already handled by tty_check_bg. */
1613: return;
1.79 nicm 1614: }
1615:
1616: /* Is this an aixterm bright colour? */
1.112 nicm 1617: if (bg >= 90 && bg <= 97) {
1.175 nicm 1618: xsnprintf(s, sizeof s, "\033[%dm", bg + 10);
1619: tty_puts(tty, s);
1620: goto save_bg;
1.1 nicm 1621: }
1622:
1.61 nicm 1623: /* Otherwise set the background colour. */
1624: tty_putcode1(tty, TTYC_SETAB, bg);
1625:
1626: save_bg:
1627: /* Save the new values in the terminal current cell. */
1628: tc->bg = bg;
1629: tc->flags &= ~GRID_FLAG_BG256;
1630: tc->flags |= gc->flags & GRID_FLAG_BG256;
1631: }
1632:
1633: int
1634: tty_try_256(struct tty *tty, u_char colour, const char *type)
1635: {
1636: char s[32];
1637:
1.165 nicm 1638: /*
1639: * If the terminfo entry has 256 colours, assume that setaf and setab
1640: * work correctly.
1641: */
1642: if (tty->term->flags & TERM_256COLOURS) {
1643: if (*type == '3')
1644: tty_putcode1(tty, TTYC_SETAF, colour);
1645: else
1646: tty_putcode1(tty, TTYC_SETAB, colour);
1647: return (0);
1648: }
1649:
1650: /*
1651: * If the user has specified -2 to the client, setaf and setab may not
1652: * work, so send the usual sequence.
1653: */
1654: if (tty->term_flags & TERM_256COLOURS) {
1655: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1656: tty_puts(tty, s);
1657: return (0);
1658: }
1.61 nicm 1659:
1.165 nicm 1660: return (-1);
1.176 nicm 1661: }
1662:
1663: void
1664: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
1665: {
1666: const struct grid_cell *agc, *pgc, *wgc;
1667:
1668: if (wp == NULL)
1669: return;
1670:
1671: pgc = &wp->colgc;
1672: agc = options_get_style(&wp->window->options, "window-active-style");
1673: wgc = options_get_style(&wp->window->options, "window-style");
1674:
1675: if (gc->fg == 8 && !(gc->flags & GRID_FLAG_FG256)) {
1676: if (pgc->fg != 8 || (pgc->flags & GRID_FLAG_FG256)) {
1677: gc->fg = pgc->fg;
1678: gc->flags |= (pgc->flags & GRID_FLAG_FG256);
1679: } else if (wp == wp->window->active &&
1680: (agc->fg != 8 || (agc->flags & GRID_FLAG_FG256))) {
1681: gc->fg = agc->fg;
1682: gc->flags |= (agc->flags & GRID_FLAG_FG256);
1683: } else {
1684: gc->fg = wgc->fg;
1685: gc->flags |= (wgc->flags & GRID_FLAG_FG256);
1686: }
1687: }
1688:
1689: if (gc->bg == 8 && !(gc->flags & GRID_FLAG_BG256)) {
1690: if (pgc->bg != 8 || (pgc->flags & GRID_FLAG_BG256)) {
1691: gc->bg = pgc->bg;
1692: gc->flags |= (pgc->flags & GRID_FLAG_BG256);
1693: } else if (wp == wp->window->active &&
1694: (agc->bg != 8 || (agc->flags & GRID_FLAG_BG256))) {
1695: gc->bg = agc->bg;
1696: gc->flags |= (agc->flags & GRID_FLAG_BG256);
1697: } else {
1698: gc->bg = wgc->bg;
1699: gc->flags |= (wgc->flags & GRID_FLAG_BG256);
1700: }
1701: }
1.110 nicm 1702: }
1703:
1704: void
1705: tty_bell(struct tty *tty)
1706: {
1707: tty_putcode(tty, TTYC_BEL);
1.1 nicm 1708: }
![[BACK]](/icons/back.gif){kind=icon}
Return to tty.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / tmux