Annotation of src/usr.bin/tmux/tty.c, Revision 1.192
1.192 ! nicm 1: /* $OpenBSD: tty.c,v 1.191 2015/10/27 15:58:43 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:
1.192 ! nicm 34: static int tty_log_fd = -1;
! 35:
1.67 nicm 36: void tty_read_callback(struct bufferevent *, void *);
1.66 nicm 37: void tty_error_callback(struct bufferevent *, short, void *);
38:
1.180 nicm 39: void tty_set_italics(struct tty *);
1.1 nicm 40: int tty_try_256(struct tty *, u_char, const char *);
41:
1.85 nicm 42: void tty_colours(struct tty *, const struct grid_cell *);
43: void tty_check_fg(struct tty *, struct grid_cell *);
44: void tty_check_bg(struct tty *, struct grid_cell *);
45: void tty_colours_fg(struct tty *, const struct grid_cell *);
1.73 nicm 46: void tty_colours_bg(struct tty *, const struct grid_cell *);
1.1 nicm 47:
1.120 nicm 48: int tty_large_region(struct tty *, const struct tty_ctx *);
1.176 nicm 49: int tty_fake_bce(const struct tty *, const struct window_pane *);
1.24 nicm 50: void tty_redraw_region(struct tty *, const struct tty_ctx *);
1.13 nicm 51: void tty_emulate_repeat(
52: struct tty *, enum tty_code_code, enum tty_code_code, u_int);
1.133 nicm 53: void tty_repeat_space(struct tty *, u_int);
1.176 nicm 54: void tty_cell(struct tty *, const struct grid_cell *,
55: const struct window_pane *);
56: void tty_default_colours(struct grid_cell *, const struct window_pane *);
1.1 nicm 57:
1.90 nicm 58: #define tty_use_acs(tty) \
1.131 nicm 59: (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.90 nicm 60:
1.132 nicm 61: #define tty_pane_full_width(tty, ctx) \
62: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
63:
1.192 ! nicm 64: void
! 65: tty_create_log(void)
! 66: {
! 67: char name[64];
! 68:
! 69: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
! 70:
! 71: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
! 72: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
! 73: fatal("fcntl failed");
! 74: }
! 75:
1.185 nicm 76: int
1.136 nicm 77: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 78: {
1.30 nicm 79: char *path;
80:
1.185 nicm 81: if (!isatty(fd))
82: return (-1);
83:
1.30 nicm 84: memset(tty, 0, sizeof *tty);
1.22 nicm 85:
1.9 nicm 86: if (term == NULL || *term == '\0')
1.1 nicm 87: tty->termname = xstrdup("unknown");
88: else
89: tty->termname = xstrdup(term);
1.30 nicm 90: tty->fd = fd;
1.136 nicm 91: tty->client = c;
1.30 nicm 92:
93: if ((path = ttyname(fd)) == NULL)
1.185 nicm 94: return (-1);
1.30 nicm 95: tty->path = xstrdup(path);
1.108 nicm 96: tty->cstyle = 0;
1.107 nicm 97: tty->ccolour = xstrdup("");
1.30 nicm 98:
1.1 nicm 99: tty->flags = 0;
100: tty->term_flags = 0;
1.185 nicm 101:
102: return (0);
1.31 nicm 103: }
104:
1.88 nicm 105: int
1.31 nicm 106: tty_resize(struct tty *tty)
107: {
108: struct winsize ws;
1.88 nicm 109: u_int sx, sy;
1.31 nicm 110:
111: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 112: sx = ws.ws_col;
113: if (sx == 0)
114: sx = 80;
115: sy = ws.ws_row;
116: if (sy == 0)
117: sy = 24;
118: } else {
119: sx = 80;
120: sy = 24;
1.31 nicm 121: }
1.114 nicm 122: if (!tty_set_size(tty, sx, sy))
1.88 nicm 123: return (0);
1.31 nicm 124:
125: tty->cx = UINT_MAX;
126: tty->cy = UINT_MAX;
127:
128: tty->rupper = UINT_MAX;
129: tty->rlower = UINT_MAX;
1.88 nicm 130:
131: /*
132: * If the terminal has been started, reset the actual scroll region and
133: * cursor position, as this may not have happened.
134: */
135: if (tty->flags & TTY_STARTED) {
136: tty_cursor(tty, 0, 0);
137: tty_region(tty, 0, tty->sy - 1);
138: }
139:
1.114 nicm 140: return (1);
141: }
142:
143: int
144: tty_set_size(struct tty *tty, u_int sx, u_int sy) {
145: if (sx == tty->sx && sy == tty->sy)
146: return (0);
147: tty->sx = sx;
148: tty->sy = sy;
1.88 nicm 149: return (1);
1.1 nicm 150: }
151:
152: int
1.166 nicm 153: tty_open(struct tty *tty, char **cause)
1.1 nicm 154: {
1.166 nicm 155: tty->term = tty_term_find(tty->termname, tty->fd, cause);
1.21 nicm 156: if (tty->term == NULL) {
157: tty_close(tty);
158: return (-1);
159: }
160: tty->flags |= TTY_OPENED;
1.1 nicm 161:
1.149 nicm 162: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_TIMER);
1.1 nicm 163:
1.66 nicm 164: tty->event = bufferevent_new(
1.67 nicm 165: tty->fd, tty_read_callback, NULL, tty_error_callback, tty);
1.1 nicm 166:
167: tty_start_tty(tty);
168:
1.148 nicm 169: tty_keys_build(tty);
1.1 nicm 170:
171: return (0);
172: }
173:
174: void
1.67 nicm 175: tty_read_callback(unused struct bufferevent *bufev, void *data)
176: {
177: struct tty *tty = data;
178:
179: while (tty_keys_next(tty))
180: ;
181: }
182:
183: void
1.66 nicm 184: tty_error_callback(
185: unused struct bufferevent *bufev, unused short what, unused void *data)
186: {
187: }
188:
189: void
1.127 nicm 190: tty_init_termios(int fd, struct termios *orig_tio, struct bufferevent *bufev)
1.1 nicm 191: {
1.128 nicm 192: struct termios tio;
1.33 nicm 193:
1.127 nicm 194: if (fd == -1 || tcgetattr(fd, orig_tio) != 0)
1.33 nicm 195: return;
1.1 nicm 196:
1.127 nicm 197: setblocking(fd, 0);
1.34 nicm 198:
1.127 nicm 199: if (bufev != NULL)
200: bufferevent_enable(bufev, EV_READ|EV_WRITE);
1.66 nicm 201:
1.127 nicm 202: memcpy(&tio, orig_tio, sizeof tio);
1.1 nicm 203: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
204: tio.c_iflag |= IGNBRK;
205: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
206: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
1.169 jsg 207: ECHOPRT|ECHOKE|ISIG);
1.1 nicm 208: tio.c_cc[VMIN] = 1;
1.60 deraadt 209: tio.c_cc[VTIME] = 0;
1.127 nicm 210: if (tcsetattr(fd, TCSANOW, &tio) == 0)
211: tcflush(fd, TCIOFLUSH);
212: }
213:
214: void
215: tty_start_tty(struct tty *tty)
216: {
217: tty_init_termios(tty->fd, &tty->tio, tty->event);
1.1 nicm 218:
1.10 nicm 219: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 220:
1.25 nicm 221: tty_putcode(tty, TTYC_SGR0);
222: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
223:
1.76 nicm 224: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 225: if (tty_use_acs(tty))
226: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 227: tty_putcode(tty, TTYC_CLEAR);
228:
229: tty_putcode(tty, TTYC_CNORM);
230: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 231: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.121 nicm 232:
1.189 nicm 233: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 234: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 235: tty->flags |= TTY_FOCUS;
236: tty_puts(tty, "\033[?1004h");
237: }
238: }
1.1 nicm 239:
240: tty->cx = UINT_MAX;
241: tty->cy = UINT_MAX;
242:
243: tty->rlower = UINT_MAX;
244: tty->rupper = UINT_MAX;
245:
246: tty->mode = MODE_CURSOR;
1.20 nicm 247:
248: tty->flags |= TTY_STARTED;
1.107 nicm 249:
250: tty_force_cursor_colour(tty, "");
1.177 nicm 251:
252: tty->mouse_drag_flag = 0;
253: tty->mouse_drag_update = NULL;
254: tty->mouse_drag_release = NULL;
1.128 nicm 255: }
256:
257: void
1.1 nicm 258: tty_stop_tty(struct tty *tty)
259: {
260: struct winsize ws;
261:
1.20 nicm 262: if (!(tty->flags & TTY_STARTED))
263: return;
264: tty->flags &= ~TTY_STARTED;
265:
1.66 nicm 266: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
267:
1.1 nicm 268: /*
269: * Be flexible about error handling and try not kill the server just
270: * because the fd is invalid. Things like ssh -t can easily leave us
271: * with a dead tty.
272: */
273: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
274: return;
275: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
276: return;
277:
278: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 279: if (tty_use_acs(tty))
280: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 281: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
282: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
283: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 284: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
285: if (tty_term_has(tty->term, TTYC_SE))
286: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 287: else
1.160 nicm 288: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 289: }
1.173 nicm 290: if (tty->mode & MODE_BRACKETPASTE)
291: tty_raw(tty, "\033[?2004l");
1.107 nicm 292: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 293:
294: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
295: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 296: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.151 nicm 297:
1.189 nicm 298: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 299: if (tty->flags & TTY_FOCUS) {
300: tty->flags &= ~TTY_FOCUS;
1.172 nicm 301: tty_raw(tty, "\033[?1004l");
1.162 nicm 302: }
303: }
1.10 nicm 304:
305: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 306:
307: setblocking(tty->fd, 1);
1.1 nicm 308: }
309:
310: void
1.20 nicm 311: tty_close(struct tty *tty)
1.1 nicm 312: {
1.123 nicm 313: if (event_initialized(&tty->key_timer))
314: evtimer_del(&tty->key_timer);
1.20 nicm 315: tty_stop_tty(tty);
1.1 nicm 316:
1.21 nicm 317: if (tty->flags & TTY_OPENED) {
1.66 nicm 318: bufferevent_free(tty->event);
319:
1.21 nicm 320: tty_term_free(tty->term);
321: tty_keys_free(tty);
322:
323: tty->flags &= ~TTY_OPENED;
324: }
1.1 nicm 325:
1.21 nicm 326: if (tty->fd != -1) {
327: close(tty->fd);
328: tty->fd = -1;
329: }
1.1 nicm 330: }
331:
332: void
1.20 nicm 333: tty_free(struct tty *tty)
1.1 nicm 334: {
1.20 nicm 335: tty_close(tty);
1.1 nicm 336:
1.138 nicm 337: free(tty->ccolour);
1.190 nicm 338: free(tty->path);
339: free(tty->termname);
1.1 nicm 340: }
341:
342: void
343: tty_raw(struct tty *tty, const char *s)
344: {
1.150 nicm 345: ssize_t n, slen;
346: u_int i;
347:
348: slen = strlen(s);
349: for (i = 0; i < 5; i++) {
350: n = write(tty->fd, s, slen);
351: if (n >= 0) {
352: s += n;
353: slen -= n;
354: if (slen == 0)
355: break;
356: } else if (n == -1 && errno != EAGAIN)
357: break;
358: usleep(100);
359: }
1.1 nicm 360: }
361:
362: void
363: tty_putcode(struct tty *tty, enum tty_code_code code)
364: {
365: tty_puts(tty, tty_term_string(tty->term, code));
366: }
367:
368: void
369: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
370: {
371: if (a < 0)
372: return;
373: tty_puts(tty, tty_term_string1(tty->term, code, a));
374: }
375:
376: void
377: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
378: {
379: if (a < 0 || b < 0)
380: return;
381: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
382: }
383:
384: void
1.107 nicm 385: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
386: {
387: if (a != NULL)
388: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
389: }
390:
391: void
1.167 nicm 392: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
393: const void *b)
1.106 nicm 394: {
395: if (a != NULL && b != NULL)
396: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
397: }
398:
399: void
1.1 nicm 400: tty_puts(struct tty *tty, const char *s)
401: {
402: if (*s == '\0')
403: return;
1.66 nicm 404: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 405:
1.192 ! nicm 406: if (tty_log_fd != -1)
! 407: write(tty_log_fd, s, strlen(s));
1.1 nicm 408: }
409:
410: void
411: tty_putc(struct tty *tty, u_char ch)
412: {
1.90 nicm 413: const char *acs;
414: u_int sx;
1.1 nicm 415:
1.90 nicm 416: if (tty->cell.attr & GRID_ATTR_CHARSET) {
417: acs = tty_acs_get(tty, ch);
418: if (acs != NULL)
419: bufferevent_write(tty->event, acs, strlen(acs));
420: else
421: bufferevent_write(tty->event, &ch, 1);
422: } else
423: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 424:
425: if (ch >= 0x20 && ch != 0x7f) {
426: sx = tty->sx;
427: if (tty->term->flags & TERM_EARLYWRAP)
428: sx--;
429:
1.46 nicm 430: if (tty->cx >= sx) {
431: tty->cx = 1;
432: if (tty->cy != tty->rlower)
433: tty->cy++;
1.1 nicm 434: } else
435: tty->cx++;
436: }
437:
1.192 ! nicm 438: if (tty_log_fd != -1)
! 439: write(tty_log_fd, &ch, 1);
1.1 nicm 440: }
441:
442: void
1.147 nicm 443: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 444: {
1.147 nicm 445: bufferevent_write(tty->event, buf, len);
1.192 ! nicm 446: if (tty_log_fd != -1)
! 447: write(tty_log_fd, buf, len);
1.147 nicm 448: tty->cx += width;
1.5 nicm 449: }
450:
451: void
1.180 nicm 452: tty_set_italics(struct tty *tty)
453: {
454: const char *s;
455:
456: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 457: s = options_get_string(global_options, "default-terminal");
1.180 nicm 458: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
459: tty_putcode(tty, TTYC_SITM);
460: return;
461: }
462: }
463: tty_putcode(tty, TTYC_SMSO);
464: }
465:
466: void
1.1 nicm 467: tty_set_title(struct tty *tty, const char *title)
468: {
1.105 nicm 469: if (!tty_term_has(tty->term, TTYC_TSL) ||
470: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 471: return;
472:
1.105 nicm 473: tty_putcode(tty, TTYC_TSL);
1.1 nicm 474: tty_puts(tty, title);
1.105 nicm 475: tty_putcode(tty, TTYC_FSL);
1.1 nicm 476: }
477:
478: void
1.107 nicm 479: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
480: {
481: if (*ccolour == '\0')
482: tty_putcode(tty, TTYC_CR);
483: else
1.160 nicm 484: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 485: free(tty->ccolour);
1.107 nicm 486: tty->ccolour = xstrdup(ccolour);
487: }
488:
489: void
490: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 491: {
492: int changed;
493:
1.181 nicm 494: if (s != NULL && strcmp(s->ccolour, tty->ccolour))
1.107 nicm 495: tty_force_cursor_colour(tty, s->ccolour);
496:
1.1 nicm 497: if (tty->flags & TTY_NOCURSOR)
498: mode &= ~MODE_CURSOR;
499:
500: changed = mode ^ tty->mode;
1.183 nicm 501: if (changed & MODE_BLINKING) {
502: if (tty_term_has(tty->term, TTYC_CVVIS))
503: tty_putcode(tty, TTYC_CVVIS);
504: else
505: tty_putcode(tty, TTYC_CNORM);
506: changed |= MODE_CURSOR;
507: }
508: if (changed & MODE_CURSOR) {
509: if (mode & MODE_CURSOR)
510: tty_putcode(tty, TTYC_CNORM);
511: else
1.1 nicm 512: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 513: }
1.181 nicm 514: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 515: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 516: if (s->cstyle == 0 &&
1.160 nicm 517: tty_term_has(tty->term, TTYC_SE))
518: tty_putcode(tty, TTYC_SE);
1.108 nicm 519: else
1.160 nicm 520: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 521: }
522: tty->cstyle = s->cstyle;
1.1 nicm 523: }
1.154 nicm 524: if (changed & (ALL_MOUSE_MODES|MODE_MOUSE_UTF8)) {
1.94 nicm 525: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 526: /*
527: * Enable the UTF-8 (1005) extension if configured to.
528: * Enable the SGR (1006) extension unconditionally, as
529: * this is safe from misinterpretation. Do it in this
530: * order, because in some terminals it's the last one
531: * that takes effect and SGR is the preferred one.
532: */
1.95 nicm 533: if (mode & MODE_MOUSE_UTF8)
534: tty_puts(tty, "\033[?1005h");
1.154 nicm 535: else
536: tty_puts(tty, "\033[?1005l");
1.153 nicm 537: tty_puts(tty, "\033[?1006h");
538:
1.170 nicm 539: if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 540: tty_puts(tty, "\033[?1002h");
1.98 nicm 541: else if (mode & MODE_MOUSE_STANDARD)
542: tty_puts(tty, "\033[?1000h");
1.86 nicm 543: } else {
1.170 nicm 544: if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 545: tty_puts(tty, "\033[?1002l");
1.98 nicm 546: else if (tty->mode & MODE_MOUSE_STANDARD)
547: tty_puts(tty, "\033[?1000l");
1.153 nicm 548:
549: tty_puts(tty, "\033[?1006l");
1.95 nicm 550: if (tty->mode & MODE_MOUSE_UTF8)
551: tty_puts(tty, "\033[?1005l");
1.86 nicm 552: }
1.76 nicm 553: }
554: if (changed & MODE_KKEYPAD) {
555: if (mode & MODE_KKEYPAD)
556: tty_putcode(tty, TTYC_SMKX);
557: else
558: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 559: }
560: if (changed & MODE_BRACKETPASTE) {
561: if (mode & MODE_BRACKETPASTE)
562: tty_puts(tty, "\033[?2004h");
563: else
564: tty_puts(tty, "\033[?2004l");
1.1 nicm 565: }
566: tty->mode = mode;
567: }
568:
569: void
1.168 nicm 570: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
571: enum tty_code_code code1, u_int n)
1.1 nicm 572: {
573: if (tty_term_has(tty->term, code))
574: tty_putcode1(tty, code, n);
575: else {
576: while (n-- > 0)
577: tty_putcode(tty, code1);
578: }
579: }
580:
1.133 nicm 581: void
582: tty_repeat_space(struct tty *tty, u_int n)
583: {
584: while (n-- > 0)
585: tty_putc(tty, ' ');
586: }
587:
1.1 nicm 588: /*
1.119 nicm 589: * Is the region large enough to be worth redrawing once later rather than
590: * probably several times now? Currently yes if it is more than 50% of the
591: * pane.
592: */
593: int
594: tty_large_region(unused struct tty *tty, const struct tty_ctx *ctx)
595: {
596: struct window_pane *wp = ctx->wp;
597:
598: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
599: }
600:
601: /*
1.176 nicm 602: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
603: * emulated.
604: */
605: int
606: tty_fake_bce(const struct tty *tty, const struct window_pane *wp)
607: {
608: struct grid_cell gc;
609:
610: memcpy(&gc, &grid_default_cell, sizeof gc);
611: tty_default_colours(&gc, wp);
612:
613: if (gc.bg == 8 && !(gc.flags & GRID_FLAG_BG256))
614: return (0);
615: return (!tty_term_flag(tty->term, TTYC_BCE));
616: }
617:
618: /*
1.1 nicm 619: * Redraw scroll region using data from screen (already updated). Used when
620: * CSR not supported, or window is a pane that doesn't take up the full
621: * width of the terminal.
622: */
623: void
1.24 nicm 624: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 625: {
1.14 nicm 626: struct window_pane *wp = ctx->wp;
627: struct screen *s = wp->screen;
628: u_int i;
1.1 nicm 629:
630: /*
1.119 nicm 631: * If region is large, schedule a window redraw. In most cases this is
632: * likely to be followed by some more scrolling.
1.1 nicm 633: */
1.119 nicm 634: if (tty_large_region(tty, ctx)) {
1.1 nicm 635: wp->flags |= PANE_REDRAW;
636: return;
637: }
638:
1.14 nicm 639: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
640: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176 nicm 641: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 642: } else {
1.14 nicm 643: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176 nicm 644: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 645: }
646: }
647:
648: void
1.176 nicm 649: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
650: u_int oy)
651: {
652: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
653: }
654:
655: void
656: tty_draw_line(struct tty *tty, const struct window_pane *wp,
657: struct screen *s, u_int py, u_int ox, u_int oy)
1.1 nicm 658: {
659: const struct grid_cell *gc;
1.46 nicm 660: struct grid_line *gl;
1.16 nicm 661: struct grid_cell tmpgc;
1.147 nicm 662: struct utf8_data ud;
1.1 nicm 663: u_int i, sx;
1.181 nicm 664: int flags;
1.1 nicm 665:
1.181 nicm 666: flags = tty->flags & TTY_NOCURSOR;
667: tty->flags |= TTY_NOCURSOR;
668: tty_update_mode(tty, tty->mode, s);
1.35 nicm 669:
1.1 nicm 670: sx = screen_size_x(s);
1.19 nicm 671: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
672: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 673: if (sx > tty->sx)
674: sx = tty->sx;
675:
1.46 nicm 676: /*
1.174 nicm 677: * Don't move the cursor to the start position if it will wrap there
1.50 nicm 678: * itself.
1.46 nicm 679: */
680: gl = NULL;
681: if (py != 0)
682: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 683: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 684: tty->cx < tty->sx || ox != 0 ||
685: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 686: tty_cursor(tty, ox, oy + py);
687:
1.1 nicm 688: for (i = 0; i < sx; i++) {
689: gc = grid_view_peek_cell(s->grid, i, py);
690: if (screen_check_selection(s, i, py)) {
1.16 nicm 691: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
1.147 nicm 692: grid_cell_get(gc, &ud);
693: grid_cell_set(&tmpgc, &ud);
1.77 nicm 694: tmpgc.flags = gc->flags &
1.38 nicm 695: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
696: tmpgc.flags |= s->sel.cell.flags &
697: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.176 nicm 698: tty_cell(tty, &tmpgc, wp);
1.1 nicm 699: } else
1.176 nicm 700: tty_cell(tty, gc, wp);
1.1 nicm 701: }
702:
1.181 nicm 703: if (sx < tty->sx) {
704: tty_attributes(tty, &grid_default_cell, wp);
705:
706: tty_cursor(tty, ox + sx, oy + py);
707: if (sx != screen_size_x(s) &&
708: ox + screen_size_x(s) >= tty->sx &&
709: tty_term_has(tty->term, TTYC_EL) &&
710: !tty_fake_bce(tty, wp))
711: tty_putcode(tty, TTYC_EL);
712: else
713: tty_repeat_space(tty, screen_size_x(s) - sx);
1.35 nicm 714: }
1.1 nicm 715:
1.181 nicm 716: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 717: tty_update_mode(tty, tty->mode, s);
1.15 nicm 718: }
719:
1.182 nicm 720: int
721: tty_client_ready(struct client *c, struct window_pane *wp)
722: {
723: if (c->session == NULL || c->tty.term == NULL)
724: return (0);
725: if (c->flags & CLIENT_SUSPENDED)
726: return (0);
727: if (c->tty.flags & TTY_FREEZE)
728: return (0);
729: if (c->session->curw->window != wp->window)
730: return (0);
731: return (1);
732: }
733:
1.15 nicm 734: void
1.182 nicm 735: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
736: struct tty_ctx *ctx)
1.15 nicm 737: {
738: struct window_pane *wp = ctx->wp;
739: struct client *c;
740:
1.75 nicm 741: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 742: if (wp == NULL)
743: return;
744:
745: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
746: return;
1.129 nicm 747: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 748: return;
749:
1.178 nicm 750: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 751: if (!tty_client_ready(c, wp))
1.15 nicm 752: continue;
753:
1.139 nicm 754: ctx->xoff = wp->xoff;
755: ctx->yoff = wp->yoff;
756: if (status_at_line(c) == 0)
757: ctx->yoff++;
1.113 nicm 758:
1.139 nicm 759: cmdfn(&c->tty, ctx);
1.1 nicm 760: }
761: }
762:
763: void
1.24 nicm 764: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 765: {
1.77 nicm 766: struct window_pane *wp = ctx->wp;
1.1 nicm 767:
1.135 nicm 768: if (!tty_pane_full_width(tty, ctx)) {
1.176 nicm 769: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 770: return;
771: }
772:
1.176 nicm 773: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 774:
1.77 nicm 775: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 776:
1.176 nicm 777: if (!tty_fake_bce(tty, wp) && (tty_term_has(tty->term, TTYC_ICH) ||
778: tty_term_has(tty->term, TTYC_ICH1)))
1.12 nicm 779: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.134 nicm 780: else
1.176 nicm 781: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 782: }
783:
784: void
1.24 nicm 785: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 786: {
1.77 nicm 787: struct window_pane *wp = ctx->wp;
1.1 nicm 788:
1.176 nicm 789: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, wp) ||
1.26 nicm 790: (!tty_term_has(tty->term, TTYC_DCH) &&
791: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 792: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 793: return;
794: }
795:
1.176 nicm 796: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 797:
1.77 nicm 798: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 799:
1.26 nicm 800: if (tty_term_has(tty->term, TTYC_DCH) ||
801: tty_term_has(tty->term, TTYC_DCH1))
802: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 803: }
804:
805: void
806: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
807: {
808: u_int i;
809:
1.176 nicm 810: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.146 nicm 811:
812: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
813:
1.176 nicm 814: if (tty_term_has(tty->term, TTYC_ECH) && !tty_fake_bce(tty, ctx->wp))
1.146 nicm 815: tty_putcode1(tty, TTYC_ECH, ctx->num);
816: else {
817: for (i = 0; i < ctx->num; i++)
818: tty_putc(tty, ' ');
819: }
1.1 nicm 820: }
821:
822: void
1.24 nicm 823: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 824: {
1.176 nicm 825: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.77 nicm 826: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 827: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 828: tty_redraw_region(tty, ctx);
1.1 nicm 829: return;
830: }
831:
1.176 nicm 832: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 833:
1.77 nicm 834: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
835: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 836:
1.12 nicm 837: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 838: }
839:
840: void
1.24 nicm 841: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 842: {
1.176 nicm 843: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.72 nicm 844: !tty_term_has(tty->term, TTYC_CSR) ||
845: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 846: tty_redraw_region(tty, ctx);
1.1 nicm 847: return;
848: }
849:
1.176 nicm 850: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 851:
1.77 nicm 852: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
853: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 854:
1.12 nicm 855: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 856: }
857:
858: void
1.24 nicm 859: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 860: {
1.77 nicm 861: struct window_pane *wp = ctx->wp;
1.12 nicm 862: struct screen *s = wp->screen;
1.1 nicm 863:
1.176 nicm 864: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 865:
1.77 nicm 866: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 867:
1.176 nicm 868: if (tty_pane_full_width(tty, ctx) && !tty_fake_bce(tty, wp) &&
869: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 870: tty_putcode(tty, TTYC_EL);
1.133 nicm 871: else
872: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 873: }
874:
875: void
1.24 nicm 876: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 877: {
1.77 nicm 878: struct window_pane *wp = ctx->wp;
1.12 nicm 879: struct screen *s = wp->screen;
1.1 nicm 880:
1.176 nicm 881: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 882:
1.41 nicm 883: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
884:
1.176 nicm 885: if (tty_pane_full_width(tty, ctx) &&
886: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp))
1.1 nicm 887: tty_putcode(tty, TTYC_EL);
1.133 nicm 888: else
889: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.1 nicm 890: }
891:
892: void
1.24 nicm 893: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 894: {
1.176 nicm 895: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 896:
1.176 nicm 897: if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1) &&
898: !tty_fake_bce(tty, ctx->wp)) {
1.41 nicm 899: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 900: tty_putcode(tty, TTYC_EL1);
901: } else {
1.41 nicm 902: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 903: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 904: }
905: }
906:
907: void
1.24 nicm 908: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 909: {
1.56 nicm 910: if (ctx->ocy != ctx->orupper)
911: return;
912:
1.176 nicm 913: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.70 nicm 914: !tty_term_has(tty->term, TTYC_CSR) ||
915: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 916: tty_redraw_region(tty, ctx);
1.1 nicm 917: return;
918: }
919:
1.176 nicm 920: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.77 nicm 921:
1.56 nicm 922: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
923: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 924:
1.56 nicm 925: tty_putcode(tty, TTYC_RI);
1.1 nicm 926: }
927:
928: void
1.24 nicm 929: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 930: {
1.77 nicm 931: struct window_pane *wp = ctx->wp;
1.1 nicm 932:
1.56 nicm 933: if (ctx->ocy != ctx->orlower)
934: return;
935:
1.176 nicm 936: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, wp) ||
1.1 nicm 937: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 938: if (tty_large_region(tty, ctx))
939: wp->flags |= PANE_REDRAW;
1.140 nicm 940: else
1.128 nicm 941: tty_redraw_region(tty, ctx);
1.1 nicm 942: return;
943: }
1.52 nicm 944:
945: /*
946: * If this line wrapped naturally (ctx->num is nonzero), don't do
947: * anything - the cursor can just be moved to the last cell and wrap
948: * naturally.
949: */
950: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
951: return;
1.1 nicm 952:
1.176 nicm 953: tty_attributes(tty, &grid_default_cell, wp);
1.77 nicm 954:
1.56 nicm 955: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
956: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 957:
1.56 nicm 958: tty_putc(tty, '\n');
1.1 nicm 959: }
960:
961: void
1.24 nicm 962: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 963: {
1.77 nicm 964: struct window_pane *wp = ctx->wp;
1.12 nicm 965: struct screen *s = wp->screen;
966: u_int i, j;
1.1 nicm 967:
1.176 nicm 968: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 969:
1.39 nicm 970: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 971: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 972:
1.176 nicm 973: if (tty_pane_full_width(tty, ctx) &&
974: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.1 nicm 975: tty_putcode(tty, TTYC_EL);
1.14 nicm 976: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 977: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 978: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 979: tty_putcode(tty, TTYC_EL);
980: if (i == screen_size_y(s) - 1)
981: continue;
982: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
983: tty->cy++;
984: }
985: }
986: } else {
1.133 nicm 987: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.68 nicm 988: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 989: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 990: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 991: }
992: }
993: }
994:
995: void
1.24 nicm 996: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 997: {
1.77 nicm 998: struct window_pane *wp = ctx->wp;
1.12 nicm 999: struct screen *s = wp->screen;
1000: u_int i, j;
1.1 nicm 1001:
1.176 nicm 1002: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 1003:
1.39 nicm 1004: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 1005: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 1006:
1.176 nicm 1007: if (tty_pane_full_width(tty, ctx) &&
1008: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.14 nicm 1009: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 1010: tty_putcode(tty, TTYC_EL);
1011: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1012: tty->cy++;
1013: }
1014: } else {
1.14 nicm 1015: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 1016: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1017: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1018: }
1019: }
1.133 nicm 1020: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 1021: }
1022:
1023: void
1.24 nicm 1024: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1025: {
1.77 nicm 1026: struct window_pane *wp = ctx->wp;
1.12 nicm 1027: struct screen *s = wp->screen;
1028: u_int i, j;
1.1 nicm 1029:
1.176 nicm 1030: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 1031:
1.39 nicm 1032: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 1033: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 1034:
1.176 nicm 1035: if (tty_pane_full_width(tty, ctx) &&
1036: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.1 nicm 1037: for (i = 0; i < screen_size_y(s); i++) {
1038: tty_putcode(tty, TTYC_EL);
1039: if (i != screen_size_y(s) - 1) {
1040: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1041: tty->cy++;
1042: }
1043: }
1044: } else {
1045: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1046: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1047: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1048: }
1.4 nicm 1049: }
1050: }
1051:
1052: void
1.24 nicm 1053: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1054: {
1.12 nicm 1055: struct window_pane *wp = ctx->wp;
1056: struct screen *s = wp->screen;
1057: u_int i, j;
1.4 nicm 1058:
1.176 nicm 1059: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1060:
1.39 nicm 1061: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 1062:
1063: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1064: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1065: for (i = 0; i < screen_size_x(s); i++)
1066: tty_putc(tty, 'E');
1.1 nicm 1067: }
1068: }
1069:
1070: void
1.24 nicm 1071: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1072: {
1.46 nicm 1073: struct window_pane *wp = ctx->wp;
1074: struct screen *s = wp->screen;
1.58 nicm 1075: u_int cx;
1.102 nicm 1076: u_int width;
1.46 nicm 1077:
1078: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1079:
1.57 nicm 1080: /* Is the cursor in the very last position? */
1.147 nicm 1081: width = grid_cell_width(ctx->cell);
1.102 nicm 1082: if (ctx->ocx > wp->sx - width) {
1.113 nicm 1083: if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57 nicm 1084: /*
1085: * The pane doesn't fill the entire line, the linefeed
1086: * will already have happened, so just move the cursor.
1087: */
1.125 nicm 1088: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 1089: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1090: else
1091: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.57 nicm 1092: } else if (tty->cx < tty->sx) {
1093: /*
1094: * The cursor isn't in the last position already, so
1.102 nicm 1095: * move as far left as possible and redraw the last
1.57 nicm 1096: * cell to move into the last position.
1097: */
1.147 nicm 1098: cx = screen_size_x(s) - grid_cell_width(&ctx->last_cell);
1.50 nicm 1099: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1.176 nicm 1100: tty_cell(tty, &ctx->last_cell, wp);
1.50 nicm 1101: }
1102: } else
1.46 nicm 1103: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1104:
1.176 nicm 1105: tty_cell(tty, ctx->cell, wp);
1.1 nicm 1106: }
1107:
1108: void
1.24 nicm 1109: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1110: {
1.53 nicm 1111: struct window_pane *wp = ctx->wp;
1.1 nicm 1112:
1.53 nicm 1113: /*
1114: * Cannot rely on not being a partial character, so just redraw the
1115: * whole line.
1116: */
1.176 nicm 1117: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1118: }
1119:
1120: void
1121: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1122: {
1123: char *buf;
1124: size_t off;
1125:
1126: if (!tty_term_has(tty->term, TTYC_MS))
1127: return;
1128:
1129: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1130: buf = xmalloc(off);
1131:
1132: b64_ntop(ctx->ptr, ctx->num, buf, off);
1133: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1134:
1.138 nicm 1135: free(buf);
1.100 nicm 1136: }
1137:
1138: void
1139: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1140: {
1141: u_int i;
1142: u_char *str = ctx->ptr;
1143:
1144: for (i = 0; i < ctx->num; i++)
1145: tty_putc(tty, str[i]);
1.141 nicm 1146:
1147: tty->cx = tty->cy = UINT_MAX;
1148: tty->rupper = tty->rlower = UINT_MAX;
1149:
1.176 nicm 1150: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.141 nicm 1151: tty_cursor(tty, 0, 0);
1.1 nicm 1152: }
1153:
1154: void
1.176 nicm 1155: tty_cell(struct tty *tty, const struct grid_cell *gc,
1156: const struct window_pane *wp)
1.1 nicm 1157: {
1.147 nicm 1158: struct utf8_data ud;
1159: u_int i;
1.1 nicm 1160:
1161: /* Skip last character if terminal is stupid. */
1162: if (tty->term->flags & TERM_EARLYWRAP &&
1163: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
1164: return;
1165:
1166: /* If this is a padding character, do nothing. */
1167: if (gc->flags & GRID_FLAG_PADDING)
1168: return;
1169:
1170: /* Set the attributes. */
1.176 nicm 1171: tty_attributes(tty, gc, wp);
1.1 nicm 1172:
1.147 nicm 1173: /* Get the cell and if ASCII write with putc to do ACS translation. */
1174: grid_cell_get(gc, &ud);
1175: if (ud.size == 1) {
1176: if (*ud.data < 0x20 || *ud.data == 0x7f)
1.1 nicm 1177: return;
1.147 nicm 1178: tty_putc(tty, *ud.data);
1.1 nicm 1179: return;
1180: }
1181:
1.147 nicm 1182: /* If not UTF-8, write _. */
1.1 nicm 1183: if (!(tty->flags & TTY_UTF8)) {
1.147 nicm 1184: for (i = 0; i < ud.width; i++)
1.1 nicm 1185: tty_putc(tty, '_');
1186: return;
1187: }
1188:
1.147 nicm 1189: /* Write the data. */
1190: tty_putn(tty, ud.data, ud.size, ud.width);
1.1 nicm 1191: }
1192:
1193: void
1194: tty_reset(struct tty *tty)
1195: {
1196: struct grid_cell *gc = &tty->cell;
1197:
1198: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
1199: return;
1200:
1.90 nicm 1201: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1202: tty_putcode(tty, TTYC_RMACS);
1203: tty_putcode(tty, TTYC_SGR0);
1204: memcpy(gc, &grid_default_cell, sizeof *gc);
1205: }
1206:
1.40 nicm 1207: /* Set region inside pane. */
1.1 nicm 1208: void
1.39 nicm 1209: tty_region_pane(
1210: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 1211: {
1.113 nicm 1212: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1213: }
1214:
1.40 nicm 1215: /* Set region at absolute position. */
1.39 nicm 1216: void
1.40 nicm 1217: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1218: {
1219: if (tty->rlower == rlower && tty->rupper == rupper)
1220: return;
1.1 nicm 1221: if (!tty_term_has(tty->term, TTYC_CSR))
1222: return;
1.39 nicm 1223:
1224: tty->rupper = rupper;
1225: tty->rlower = rlower;
1.55 nicm 1226:
1227: /*
1228: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1229: * 0,0 if it is beyond the last column (they do not reset their wrap
1230: * flag so further output causes a line feed). As a workaround, do an
1231: * explicit move to 0 first.
1232: */
1233: if (tty->cx >= tty->sx)
1234: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1235:
1.39 nicm 1236: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1237: tty_cursor(tty, 0, 0);
1.1 nicm 1238: }
1239:
1.42 nicm 1240: /* Move cursor inside pane. */
1.1 nicm 1241: void
1.41 nicm 1242: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1243: {
1.113 nicm 1244: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1245: }
1246:
1.42 nicm 1247: /* Move cursor to absolute position. */
1.41 nicm 1248: void
1249: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1250: {
1.42 nicm 1251: struct tty_term *term = tty->term;
1252: u_int thisx, thisy;
1253: int change;
1.77 nicm 1254:
1.42 nicm 1255: if (cx > tty->sx - 1)
1256: cx = tty->sx - 1;
1257:
1258: thisx = tty->cx;
1259: thisy = tty->cy;
1260:
1261: /* No change. */
1262: if (cx == thisx && cy == thisy)
1263: return;
1264:
1.43 nicm 1265: /* Very end of the line, just use absolute movement. */
1266: if (thisx > tty->sx - 1)
1267: goto absolute;
1268:
1.42 nicm 1269: /* Move to home position (0, 0). */
1270: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1271: tty_putcode(tty, TTYC_HOME);
1272: goto out;
1273: }
1274:
1275: /* Zero on the next line. */
1.48 nicm 1276: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1277: tty_putc(tty, '\r');
1.42 nicm 1278: tty_putc(tty, '\n');
1279: goto out;
1280: }
1281:
1.45 nicm 1282: /* Moving column or row. */
1.42 nicm 1283: if (cy == thisy) {
1.45 nicm 1284: /*
1285: * Moving column only, row staying the same.
1286: */
1287:
1.42 nicm 1288: /* To left edge. */
1289: if (cx == 0) {
1290: tty_putc(tty, '\r');
1291: goto out;
1292: }
1293:
1294: /* One to the left. */
1295: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1296: tty_putcode(tty, TTYC_CUB1);
1297: goto out;
1298: }
1299:
1300: /* One to the right. */
1301: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1302: tty_putcode(tty, TTYC_CUF1);
1303: goto out;
1304: }
1305:
1306: /* Calculate difference. */
1307: change = thisx - cx; /* +ve left, -ve right */
1308:
1309: /*
1310: * Use HPA if change is larger than absolute, otherwise move
1311: * the cursor with CUB/CUF.
1312: */
1.87 nicm 1313: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1314: tty_putcode1(tty, TTYC_HPA, cx);
1315: goto out;
1316: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1317: tty_putcode1(tty, TTYC_CUB, change);
1318: goto out;
1319: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1320: tty_putcode1(tty, TTYC_CUF, -change);
1321: goto out;
1322: }
1.45 nicm 1323: } else if (cx == thisx) {
1324: /*
1325: * Moving row only, column staying the same.
1326: */
1.42 nicm 1327:
1328: /* One above. */
1.77 nicm 1329: if (thisy != tty->rupper &&
1.42 nicm 1330: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1331: tty_putcode(tty, TTYC_CUU1);
1332: goto out;
1333: }
1334:
1335: /* One below. */
1.49 nicm 1336: if (thisy != tty->rlower &&
1.42 nicm 1337: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1338: tty_putcode(tty, TTYC_CUD1);
1339: goto out;
1340: }
1341:
1342: /* Calculate difference. */
1343: change = thisy - cy; /* +ve up, -ve down */
1344:
1345: /*
1.77 nicm 1346: * Try to use VPA if change is larger than absolute or if this
1347: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1348: */
1.87 nicm 1349: if ((u_int) abs(change) > cy ||
1.42 nicm 1350: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1351: (change > 0 && cy - change < tty->rupper)) {
1352: if (tty_term_has(term, TTYC_VPA)) {
1353: tty_putcode1(tty, TTYC_VPA, cy);
1354: goto out;
1355: }
1.42 nicm 1356: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1357: tty_putcode1(tty, TTYC_CUU, change);
1358: goto out;
1359: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1360: tty_putcode1(tty, TTYC_CUD, -change);
1361: goto out;
1362: }
1363: }
1364:
1.43 nicm 1365: absolute:
1.42 nicm 1366: /* Absolute movement. */
1367: tty_putcode2(tty, TTYC_CUP, cy, cx);
1368:
1369: out:
1370: tty->cx = cx;
1371: tty->cy = cy;
1.1 nicm 1372: }
1373:
1374: void
1.176 nicm 1375: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1376: const struct window_pane *wp)
1.1 nicm 1377: {
1.63 nicm 1378: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1379: u_char changed;
1.61 nicm 1380:
1.85 nicm 1381: memcpy(&gc2, gc, sizeof gc2);
1.176 nicm 1382: tty_default_colours(&gc2, wp);
1.63 nicm 1383:
1.18 nicm 1384: /*
1385: * If no setab, try to use the reverse attribute as a best-effort for a
1386: * non-default background. This is a bit of a hack but it doesn't do
1387: * any serious harm and makes a couple of applications happier.
1388: */
1389: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1390: if (gc2.attr & GRID_ATTR_REVERSE) {
1391: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1392: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1393: } else {
1.85 nicm 1394: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1395: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1396: }
1397: }
1.1 nicm 1398:
1.85 nicm 1399: /* Fix up the colours if necessary. */
1400: tty_check_fg(tty, &gc2);
1401: tty_check_bg(tty, &gc2);
1402:
1.64 nicm 1403: /* If any bits are being cleared, reset everything. */
1.85 nicm 1404: if (tc->attr & ~gc2.attr)
1.64 nicm 1405: tty_reset(tty);
1406:
1407: /*
1408: * Set the colours. This may call tty_reset() (so it comes next) and
1409: * may add to (NOT remove) the desired attributes by changing new_attr.
1410: */
1.85 nicm 1411: tty_colours(tty, &gc2);
1.64 nicm 1412:
1.1 nicm 1413: /* Filter out attribute bits already set. */
1.85 nicm 1414: changed = gc2.attr & ~tc->attr;
1415: tc->attr = gc2.attr;
1.1 nicm 1416:
1417: /* Set the attributes. */
1418: if (changed & GRID_ATTR_BRIGHT)
1419: tty_putcode(tty, TTYC_BOLD);
1420: if (changed & GRID_ATTR_DIM)
1421: tty_putcode(tty, TTYC_DIM);
1.180 nicm 1422: if (changed & GRID_ATTR_ITALICS)
1423: tty_set_italics(tty);
1.1 nicm 1424: if (changed & GRID_ATTR_UNDERSCORE)
1425: tty_putcode(tty, TTYC_SMUL);
1426: if (changed & GRID_ATTR_BLINK)
1427: tty_putcode(tty, TTYC_BLINK);
1428: if (changed & GRID_ATTR_REVERSE) {
1429: if (tty_term_has(tty->term, TTYC_REV))
1430: tty_putcode(tty, TTYC_REV);
1431: else if (tty_term_has(tty->term, TTYC_SMSO))
1432: tty_putcode(tty, TTYC_SMSO);
1433: }
1434: if (changed & GRID_ATTR_HIDDEN)
1435: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1436: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1437: tty_putcode(tty, TTYC_SMACS);
1438: }
1439:
1.61 nicm 1440: void
1.85 nicm 1441: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1442: {
1.61 nicm 1443: struct grid_cell *tc = &tty->cell;
1.62 nicm 1444: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1445: int have_ax, fg_default, bg_default;
1.61 nicm 1446:
1447: /* No changes? Nothing is necessary. */
1.62 nicm 1448: if (fg == tc->fg && bg == tc->bg &&
1449: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1450: return;
1.1 nicm 1451:
1.61 nicm 1452: /*
1453: * Is either the default colour? This is handled specially because the
1454: * best solution might be to reset both colours to default, in which
1455: * case if only one is default need to fall onward to set the other
1456: * colour.
1457: */
1.62 nicm 1458: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1459: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1460: if (fg_default || bg_default) {
1461: /*
1462: * If don't have AX but do have op, send sgr0 (op can't
1463: * actually be used because it is sometimes the same as sgr0
1464: * and sometimes isn't). This resets both colours to default.
1465: *
1466: * Otherwise, try to set the default colour only as needed.
1467: */
1.174 nicm 1468: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 1469: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1470: tty_reset(tty);
1471: else {
1472: if (fg_default &&
1.81 nicm 1473: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1474: if (have_ax)
1475: tty_puts(tty, "\033[39m");
1.81 nicm 1476: else if (tc->fg != 7 ||
1477: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1478: tty_putcode1(tty, TTYC_SETAF, 7);
1479: tc->fg = 8;
1480: tc->flags &= ~GRID_FLAG_FG256;
1481: }
1482: if (bg_default &&
1.81 nicm 1483: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1484: if (have_ax)
1.61 nicm 1485: tty_puts(tty, "\033[49m");
1.81 nicm 1486: else if (tc->bg != 0 ||
1487: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1488: tty_putcode1(tty, TTYC_SETAB, 0);
1489: tc->bg = 8;
1490: tc->flags &= ~GRID_FLAG_BG256;
1491: }
1492: }
1493: }
1.1 nicm 1494:
1.61 nicm 1495: /* Set the foreground colour. */
1496: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1497: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 nicm 1498: tty_colours_fg(tty, gc);
1.1 nicm 1499:
1.61 nicm 1500: /*
1501: * Set the background colour. This must come after the foreground as
1502: * tty_colour_fg() can call tty_reset().
1503: */
1504: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1505: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1506: tty_colours_bg(tty, gc);
1.1 nicm 1507: }
1508:
1509: void
1.85 nicm 1510: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1511: {
1512: u_int colours;
1513:
1.175 nicm 1514: colours = tty_term_number(tty->term, TTYC_COLORS);
1515:
1.85 nicm 1516: /* Is this a 256-colour colour? */
1517: if (gc->flags & GRID_FLAG_FG256) {
1518: /* And not a 256 colour mode? */
1.158 nicm 1519: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1520: !(tty->term_flags & TERM_256COLOURS)) {
1521: gc->fg = colour_256to16(gc->fg);
1522: if (gc->fg & 8) {
1523: gc->fg &= 7;
1.175 nicm 1524: if (colours >= 16)
1525: gc->fg += 90;
1526: else
1527: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1528: } else
1529: gc->attr &= ~GRID_ATTR_BRIGHT;
1530: gc->flags &= ~GRID_FLAG_FG256;
1531: }
1532: return;
1533: }
1534:
1535: /* Is this an aixterm colour? */
1536: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1537: gc->fg -= 90;
1538: gc->attr |= GRID_ATTR_BRIGHT;
1539: }
1540: }
1541:
1542: void
1543: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1544: {
1545: u_int colours;
1546:
1.175 nicm 1547: colours = tty_term_number(tty->term, TTYC_COLORS);
1548:
1.85 nicm 1549: /* Is this a 256-colour colour? */
1550: if (gc->flags & GRID_FLAG_BG256) {
1551: /*
1552: * And not a 256 colour mode? Translate to 16-colour
1553: * palette. Bold background doesn't exist portably, so just
1554: * discard the bold bit if set.
1555: */
1.158 nicm 1556: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1557: !(tty->term_flags & TERM_256COLOURS)) {
1558: gc->bg = colour_256to16(gc->bg);
1.175 nicm 1559: if (gc->bg & 8) {
1.85 nicm 1560: gc->bg &= 7;
1.175 nicm 1561: if (colours >= 16)
1562: gc->fg += 90;
1563: }
1.85 nicm 1564: gc->flags &= ~GRID_FLAG_BG256;
1565: }
1566: return;
1567: }
1568:
1569: /* Is this an aixterm colour? */
1.175 nicm 1570: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 1571: gc->bg -= 90;
1572: }
1573:
1574: void
1575: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1576: {
1.61 nicm 1577: struct grid_cell *tc = &tty->cell;
1578: u_char fg = gc->fg;
1.79 nicm 1579: char s[32];
1.1 nicm 1580:
1.61 nicm 1581: /* Is this a 256-colour colour? */
1.1 nicm 1582: if (gc->flags & GRID_FLAG_FG256) {
1.158 nicm 1583: /* Try as 256 colours. */
1.1 nicm 1584: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1585: goto save_fg;
1.85 nicm 1586: /* Else already handled by tty_check_fg. */
1587: return;
1.1 nicm 1588: }
1589:
1.79 nicm 1590: /* Is this an aixterm bright colour? */
1591: if (fg >= 90 && fg <= 97) {
1.85 nicm 1592: xsnprintf(s, sizeof s, "\033[%dm", fg);
1593: tty_puts(tty, s);
1594: goto save_fg;
1.79 nicm 1595: }
1596:
1.61 nicm 1597: /* Otherwise set the foreground colour. */
1598: tty_putcode1(tty, TTYC_SETAF, fg);
1599:
1.77 nicm 1600: save_fg:
1.61 nicm 1601: /* Save the new values in the terminal current cell. */
1602: tc->fg = fg;
1603: tc->flags &= ~GRID_FLAG_FG256;
1604: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1605: }
1606:
1607: void
1.73 nicm 1608: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1609: {
1.61 nicm 1610: struct grid_cell *tc = &tty->cell;
1611: u_char bg = gc->bg;
1.79 nicm 1612: char s[32];
1.1 nicm 1613:
1.61 nicm 1614: /* Is this a 256-colour colour? */
1.1 nicm 1615: if (gc->flags & GRID_FLAG_BG256) {
1.158 nicm 1616: /* Try as 256 colours. */
1.1 nicm 1617: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1618: goto save_bg;
1.85 nicm 1619: /* Else already handled by tty_check_bg. */
1620: return;
1.79 nicm 1621: }
1622:
1623: /* Is this an aixterm bright colour? */
1.112 nicm 1624: if (bg >= 90 && bg <= 97) {
1.175 nicm 1625: xsnprintf(s, sizeof s, "\033[%dm", bg + 10);
1626: tty_puts(tty, s);
1627: goto save_bg;
1.1 nicm 1628: }
1629:
1.61 nicm 1630: /* Otherwise set the background colour. */
1631: tty_putcode1(tty, TTYC_SETAB, bg);
1632:
1633: save_bg:
1634: /* Save the new values in the terminal current cell. */
1635: tc->bg = bg;
1636: tc->flags &= ~GRID_FLAG_BG256;
1637: tc->flags |= gc->flags & GRID_FLAG_BG256;
1638: }
1639:
1640: int
1641: tty_try_256(struct tty *tty, u_char colour, const char *type)
1642: {
1643: char s[32];
1644:
1.165 nicm 1645: /*
1.189 nicm 1646: * If the user has specified -2 to the client, setaf and setab may not
1647: * work (or they may not want to use them), so send the usual sequence.
1648: */
1649: if (tty->term_flags & TERM_256COLOURS)
1650: goto fallback;
1651:
1652: /*
1.188 nicm 1653: * If the terminfo entry has 256 colours and setaf and setab exist,
1654: * assume that they work correctly.
1.165 nicm 1655: */
1656: if (tty->term->flags & TERM_256COLOURS) {
1.188 nicm 1657: if (*type == '3') {
1658: if (!tty_term_has(tty->term, TTYC_SETAF))
1659: goto fallback;
1.165 nicm 1660: tty_putcode1(tty, TTYC_SETAF, colour);
1.188 nicm 1661: } else {
1662: if (!tty_term_has(tty->term, TTYC_SETAB))
1663: goto fallback;
1.165 nicm 1664: tty_putcode1(tty, TTYC_SETAB, colour);
1.188 nicm 1665: }
1.165 nicm 1666: return (0);
1667: }
1.61 nicm 1668:
1.165 nicm 1669: return (-1);
1.188 nicm 1670:
1671: fallback:
1672: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1673: tty_puts(tty, s);
1674: return (0);
1.176 nicm 1675: }
1676:
1677: void
1678: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
1679: {
1680: const struct grid_cell *agc, *pgc, *wgc;
1681:
1682: if (wp == NULL)
1683: return;
1684:
1685: pgc = &wp->colgc;
1.191 nicm 1686: agc = options_get_style(wp->window->options, "window-active-style");
1687: wgc = options_get_style(wp->window->options, "window-style");
1.176 nicm 1688:
1689: if (gc->fg == 8 && !(gc->flags & GRID_FLAG_FG256)) {
1690: if (pgc->fg != 8 || (pgc->flags & GRID_FLAG_FG256)) {
1691: gc->fg = pgc->fg;
1692: gc->flags |= (pgc->flags & GRID_FLAG_FG256);
1693: } else if (wp == wp->window->active &&
1694: (agc->fg != 8 || (agc->flags & GRID_FLAG_FG256))) {
1695: gc->fg = agc->fg;
1696: gc->flags |= (agc->flags & GRID_FLAG_FG256);
1697: } else {
1698: gc->fg = wgc->fg;
1699: gc->flags |= (wgc->flags & GRID_FLAG_FG256);
1700: }
1701: }
1702:
1703: if (gc->bg == 8 && !(gc->flags & GRID_FLAG_BG256)) {
1704: if (pgc->bg != 8 || (pgc->flags & GRID_FLAG_BG256)) {
1705: gc->bg = pgc->bg;
1706: gc->flags |= (pgc->flags & GRID_FLAG_BG256);
1707: } else if (wp == wp->window->active &&
1708: (agc->bg != 8 || (agc->flags & GRID_FLAG_BG256))) {
1709: gc->bg = agc->bg;
1710: gc->flags |= (agc->flags & GRID_FLAG_BG256);
1711: } else {
1712: gc->bg = wgc->bg;
1713: gc->flags |= (wgc->flags & GRID_FLAG_BG256);
1714: }
1715: }
1.1 nicm 1716: }
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