Annotation of src/usr.bin/tmux/tty.c, Revision 1.196
1.196 ! nicm 1: /* $OpenBSD: tty.c,v 1.195 2015/11/23 20:53:09 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 *);
1.196 ! nicm 51: void tty_emulate_repeat(struct tty *, enum tty_code_code, enum tty_code_code,
! 52: 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:
1.196 ! nicm 164: tty->event = bufferevent_new(tty->fd, tty_read_callback, NULL,
! 165: 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
1.194 nicm 175: tty_read_callback(__unused struct bufferevent *bufev, void *data)
1.67 nicm 176: {
177: struct tty *tty = data;
178:
179: while (tty_keys_next(tty))
180: ;
181: }
182:
183: void
1.194 nicm 184: tty_error_callback(__unused struct bufferevent *bufev, __unused short what,
185: __unused void *data)
1.66 nicm 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: }
1.195 nicm 524: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 525: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 526: /*
527: * Enable the SGR (1006) extension unconditionally, as
528: * this is safe from misinterpretation. Do it in this
529: * order, because in some terminals it's the last one
530: * that takes effect and SGR is the preferred one.
531: */
532: tty_puts(tty, "\033[?1006h");
1.170 nicm 533: if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 534: tty_puts(tty, "\033[?1002h");
1.98 nicm 535: else if (mode & MODE_MOUSE_STANDARD)
536: tty_puts(tty, "\033[?1000h");
1.86 nicm 537: } else {
1.170 nicm 538: if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 539: tty_puts(tty, "\033[?1002l");
1.98 nicm 540: else if (tty->mode & MODE_MOUSE_STANDARD)
541: tty_puts(tty, "\033[?1000l");
1.153 nicm 542: tty_puts(tty, "\033[?1006l");
1.86 nicm 543: }
1.76 nicm 544: }
545: if (changed & MODE_KKEYPAD) {
546: if (mode & MODE_KKEYPAD)
547: tty_putcode(tty, TTYC_SMKX);
548: else
549: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 550: }
551: if (changed & MODE_BRACKETPASTE) {
552: if (mode & MODE_BRACKETPASTE)
553: tty_puts(tty, "\033[?2004h");
554: else
555: tty_puts(tty, "\033[?2004l");
1.1 nicm 556: }
557: tty->mode = mode;
558: }
559:
560: void
1.168 nicm 561: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
562: enum tty_code_code code1, u_int n)
1.1 nicm 563: {
564: if (tty_term_has(tty->term, code))
565: tty_putcode1(tty, code, n);
566: else {
567: while (n-- > 0)
568: tty_putcode(tty, code1);
569: }
570: }
571:
1.133 nicm 572: void
573: tty_repeat_space(struct tty *tty, u_int n)
574: {
575: while (n-- > 0)
576: tty_putc(tty, ' ');
577: }
578:
1.1 nicm 579: /*
1.119 nicm 580: * Is the region large enough to be worth redrawing once later rather than
581: * probably several times now? Currently yes if it is more than 50% of the
582: * pane.
583: */
584: int
1.194 nicm 585: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 586: {
587: struct window_pane *wp = ctx->wp;
588:
589: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
590: }
591:
592: /*
1.176 nicm 593: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
594: * emulated.
595: */
596: int
597: tty_fake_bce(const struct tty *tty, const struct window_pane *wp)
598: {
599: struct grid_cell gc;
600:
601: memcpy(&gc, &grid_default_cell, sizeof gc);
602: tty_default_colours(&gc, wp);
603:
604: if (gc.bg == 8 && !(gc.flags & GRID_FLAG_BG256))
605: return (0);
606: return (!tty_term_flag(tty->term, TTYC_BCE));
607: }
608:
609: /*
1.1 nicm 610: * Redraw scroll region using data from screen (already updated). Used when
611: * CSR not supported, or window is a pane that doesn't take up the full
612: * width of the terminal.
613: */
614: void
1.24 nicm 615: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 616: {
1.14 nicm 617: struct window_pane *wp = ctx->wp;
618: struct screen *s = wp->screen;
619: u_int i;
1.1 nicm 620:
621: /*
1.119 nicm 622: * If region is large, schedule a window redraw. In most cases this is
623: * likely to be followed by some more scrolling.
1.1 nicm 624: */
1.119 nicm 625: if (tty_large_region(tty, ctx)) {
1.1 nicm 626: wp->flags |= PANE_REDRAW;
627: return;
628: }
629:
1.14 nicm 630: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
631: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176 nicm 632: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 633: } else {
1.14 nicm 634: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176 nicm 635: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 636: }
637: }
638:
639: void
1.176 nicm 640: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
641: u_int oy)
642: {
643: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
644: }
645:
646: void
647: tty_draw_line(struct tty *tty, const struct window_pane *wp,
648: struct screen *s, u_int py, u_int ox, u_int oy)
1.1 nicm 649: {
1.193 nicm 650: struct grid_cell gc;
1.46 nicm 651: struct grid_line *gl;
1.1 nicm 652: u_int i, sx;
1.181 nicm 653: int flags;
1.1 nicm 654:
1.181 nicm 655: flags = tty->flags & TTY_NOCURSOR;
656: tty->flags |= TTY_NOCURSOR;
657: tty_update_mode(tty, tty->mode, s);
1.35 nicm 658:
1.1 nicm 659: sx = screen_size_x(s);
1.19 nicm 660: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
661: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 662: if (sx > tty->sx)
663: sx = tty->sx;
664:
1.46 nicm 665: /*
1.174 nicm 666: * Don't move the cursor to the start position if it will wrap there
1.50 nicm 667: * itself.
1.46 nicm 668: */
669: gl = NULL;
670: if (py != 0)
671: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 672: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 673: tty->cx < tty->sx || ox != 0 ||
674: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 675: tty_cursor(tty, ox, oy + py);
676:
1.1 nicm 677: for (i = 0; i < sx; i++) {
1.193 nicm 678: grid_view_get_cell(s->grid, i, py, &gc);
1.1 nicm 679: if (screen_check_selection(s, i, py)) {
1.193 nicm 680: gc.flags &= ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
681: gc.flags |= s->sel.cell.flags &
1.38 nicm 682: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.193 nicm 683: }
684: tty_cell(tty, &gc, wp);
1.1 nicm 685: }
686:
1.181 nicm 687: if (sx < tty->sx) {
688: tty_attributes(tty, &grid_default_cell, wp);
689:
690: tty_cursor(tty, ox + sx, oy + py);
691: if (sx != screen_size_x(s) &&
692: ox + screen_size_x(s) >= tty->sx &&
693: tty_term_has(tty->term, TTYC_EL) &&
694: !tty_fake_bce(tty, wp))
695: tty_putcode(tty, TTYC_EL);
696: else
697: tty_repeat_space(tty, screen_size_x(s) - sx);
1.35 nicm 698: }
1.1 nicm 699:
1.181 nicm 700: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 701: tty_update_mode(tty, tty->mode, s);
1.15 nicm 702: }
703:
1.182 nicm 704: int
705: tty_client_ready(struct client *c, struct window_pane *wp)
706: {
707: if (c->session == NULL || c->tty.term == NULL)
708: return (0);
709: if (c->flags & CLIENT_SUSPENDED)
710: return (0);
711: if (c->tty.flags & TTY_FREEZE)
712: return (0);
713: if (c->session->curw->window != wp->window)
714: return (0);
715: return (1);
716: }
717:
1.15 nicm 718: void
1.182 nicm 719: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
720: struct tty_ctx *ctx)
1.15 nicm 721: {
722: struct window_pane *wp = ctx->wp;
723: struct client *c;
724:
1.75 nicm 725: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 726: if (wp == NULL)
727: return;
728:
729: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
730: return;
1.129 nicm 731: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 732: return;
733:
1.178 nicm 734: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 735: if (!tty_client_ready(c, wp))
1.15 nicm 736: continue;
737:
1.139 nicm 738: ctx->xoff = wp->xoff;
739: ctx->yoff = wp->yoff;
740: if (status_at_line(c) == 0)
741: ctx->yoff++;
1.113 nicm 742:
1.139 nicm 743: cmdfn(&c->tty, ctx);
1.1 nicm 744: }
745: }
746:
747: void
1.24 nicm 748: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 749: {
1.77 nicm 750: struct window_pane *wp = ctx->wp;
1.1 nicm 751:
1.135 nicm 752: if (!tty_pane_full_width(tty, ctx)) {
1.176 nicm 753: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 754: return;
755: }
756:
1.176 nicm 757: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 758:
1.77 nicm 759: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 760:
1.176 nicm 761: if (!tty_fake_bce(tty, wp) && (tty_term_has(tty->term, TTYC_ICH) ||
762: tty_term_has(tty->term, TTYC_ICH1)))
1.12 nicm 763: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.134 nicm 764: else
1.176 nicm 765: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 766: }
767:
768: void
1.24 nicm 769: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 770: {
1.77 nicm 771: struct window_pane *wp = ctx->wp;
1.1 nicm 772:
1.176 nicm 773: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, wp) ||
1.26 nicm 774: (!tty_term_has(tty->term, TTYC_DCH) &&
775: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 776: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 777: return;
778: }
779:
1.176 nicm 780: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 781:
1.77 nicm 782: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 783:
1.26 nicm 784: if (tty_term_has(tty->term, TTYC_DCH) ||
785: tty_term_has(tty->term, TTYC_DCH1))
786: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 787: }
788:
789: void
790: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
791: {
792: u_int i;
793:
1.176 nicm 794: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.146 nicm 795:
796: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
797:
1.176 nicm 798: if (tty_term_has(tty->term, TTYC_ECH) && !tty_fake_bce(tty, ctx->wp))
1.146 nicm 799: tty_putcode1(tty, TTYC_ECH, ctx->num);
800: else {
801: for (i = 0; i < ctx->num; i++)
802: tty_putc(tty, ' ');
803: }
1.1 nicm 804: }
805:
806: void
1.24 nicm 807: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 808: {
1.176 nicm 809: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.77 nicm 810: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 811: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 812: tty_redraw_region(tty, ctx);
1.1 nicm 813: return;
814: }
815:
1.176 nicm 816: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 817:
1.77 nicm 818: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
819: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 820:
1.12 nicm 821: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 822: }
823:
824: void
1.24 nicm 825: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 826: {
1.176 nicm 827: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.72 nicm 828: !tty_term_has(tty->term, TTYC_CSR) ||
829: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 830: tty_redraw_region(tty, ctx);
1.1 nicm 831: return;
832: }
833:
1.176 nicm 834: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 835:
1.77 nicm 836: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
837: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 838:
1.12 nicm 839: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 840: }
841:
842: void
1.24 nicm 843: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 844: {
1.77 nicm 845: struct window_pane *wp = ctx->wp;
1.12 nicm 846: struct screen *s = wp->screen;
1.1 nicm 847:
1.176 nicm 848: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 849:
1.77 nicm 850: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 851:
1.176 nicm 852: if (tty_pane_full_width(tty, ctx) && !tty_fake_bce(tty, wp) &&
853: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 854: tty_putcode(tty, TTYC_EL);
1.133 nicm 855: else
856: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 857: }
858:
859: void
1.24 nicm 860: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 861: {
1.77 nicm 862: struct window_pane *wp = ctx->wp;
1.12 nicm 863: struct screen *s = wp->screen;
1.1 nicm 864:
1.176 nicm 865: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 866:
1.41 nicm 867: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
868:
1.176 nicm 869: if (tty_pane_full_width(tty, ctx) &&
870: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp))
1.1 nicm 871: tty_putcode(tty, TTYC_EL);
1.133 nicm 872: else
873: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.1 nicm 874: }
875:
876: void
1.24 nicm 877: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 878: {
1.176 nicm 879: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 880:
1.176 nicm 881: if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1) &&
882: !tty_fake_bce(tty, ctx->wp)) {
1.41 nicm 883: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 884: tty_putcode(tty, TTYC_EL1);
885: } else {
1.41 nicm 886: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 887: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 888: }
889: }
890:
891: void
1.24 nicm 892: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 893: {
1.56 nicm 894: if (ctx->ocy != ctx->orupper)
895: return;
896:
1.176 nicm 897: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.70 nicm 898: !tty_term_has(tty->term, TTYC_CSR) ||
899: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 900: tty_redraw_region(tty, ctx);
1.1 nicm 901: return;
902: }
903:
1.176 nicm 904: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.77 nicm 905:
1.56 nicm 906: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
907: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 908:
1.56 nicm 909: tty_putcode(tty, TTYC_RI);
1.1 nicm 910: }
911:
912: void
1.24 nicm 913: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 914: {
1.77 nicm 915: struct window_pane *wp = ctx->wp;
1.1 nicm 916:
1.56 nicm 917: if (ctx->ocy != ctx->orlower)
918: return;
919:
1.176 nicm 920: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, wp) ||
1.1 nicm 921: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 922: if (tty_large_region(tty, ctx))
923: wp->flags |= PANE_REDRAW;
1.140 nicm 924: else
1.128 nicm 925: tty_redraw_region(tty, ctx);
1.1 nicm 926: return;
927: }
1.52 nicm 928:
929: /*
930: * If this line wrapped naturally (ctx->num is nonzero), don't do
931: * anything - the cursor can just be moved to the last cell and wrap
932: * naturally.
933: */
934: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
935: return;
1.1 nicm 936:
1.176 nicm 937: tty_attributes(tty, &grid_default_cell, wp);
1.77 nicm 938:
1.56 nicm 939: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
940: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 941:
1.56 nicm 942: tty_putc(tty, '\n');
1.1 nicm 943: }
944:
945: void
1.24 nicm 946: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 947: {
1.77 nicm 948: struct window_pane *wp = ctx->wp;
1.12 nicm 949: struct screen *s = wp->screen;
950: u_int i, j;
1.1 nicm 951:
1.176 nicm 952: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 953:
1.39 nicm 954: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 955: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 956:
1.176 nicm 957: if (tty_pane_full_width(tty, ctx) &&
958: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.1 nicm 959: tty_putcode(tty, TTYC_EL);
1.14 nicm 960: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 961: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 962: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 963: tty_putcode(tty, TTYC_EL);
964: if (i == screen_size_y(s) - 1)
965: continue;
966: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
967: tty->cy++;
968: }
969: }
970: } else {
1.133 nicm 971: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.68 nicm 972: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 973: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 974: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 975: }
976: }
977: }
978:
979: void
1.24 nicm 980: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 981: {
1.77 nicm 982: struct window_pane *wp = ctx->wp;
1.12 nicm 983: struct screen *s = wp->screen;
984: u_int i, j;
1.1 nicm 985:
1.176 nicm 986: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 987:
1.39 nicm 988: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 989: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 990:
1.176 nicm 991: if (tty_pane_full_width(tty, ctx) &&
992: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.14 nicm 993: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 994: tty_putcode(tty, TTYC_EL);
995: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
996: tty->cy++;
997: }
998: } else {
1.14 nicm 999: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 1000: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1001: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1002: }
1003: }
1.133 nicm 1004: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 1005: }
1006:
1007: void
1.24 nicm 1008: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1009: {
1.77 nicm 1010: struct window_pane *wp = ctx->wp;
1.12 nicm 1011: struct screen *s = wp->screen;
1012: u_int i, j;
1.1 nicm 1013:
1.176 nicm 1014: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 1015:
1.39 nicm 1016: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 1017: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 1018:
1.176 nicm 1019: if (tty_pane_full_width(tty, ctx) &&
1020: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.1 nicm 1021: for (i = 0; i < screen_size_y(s); i++) {
1022: tty_putcode(tty, TTYC_EL);
1023: if (i != screen_size_y(s) - 1) {
1024: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1025: tty->cy++;
1026: }
1027: }
1028: } else {
1029: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1030: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1031: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1032: }
1.4 nicm 1033: }
1034: }
1035:
1036: void
1.24 nicm 1037: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1038: {
1.12 nicm 1039: struct window_pane *wp = ctx->wp;
1040: struct screen *s = wp->screen;
1041: u_int i, j;
1.4 nicm 1042:
1.176 nicm 1043: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1044:
1.39 nicm 1045: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 1046:
1047: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1048: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1049: for (i = 0; i < screen_size_x(s); i++)
1050: tty_putc(tty, 'E');
1.1 nicm 1051: }
1052: }
1053:
1054: void
1.24 nicm 1055: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1056: {
1.46 nicm 1057: struct window_pane *wp = ctx->wp;
1058: struct screen *s = wp->screen;
1.58 nicm 1059: u_int cx;
1.102 nicm 1060: u_int width;
1.46 nicm 1061:
1062: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1063:
1.57 nicm 1064: /* Is the cursor in the very last position? */
1.193 nicm 1065: width = ctx->cell->data.width;
1.102 nicm 1066: if (ctx->ocx > wp->sx - width) {
1.113 nicm 1067: if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57 nicm 1068: /*
1069: * The pane doesn't fill the entire line, the linefeed
1070: * will already have happened, so just move the cursor.
1071: */
1.125 nicm 1072: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 1073: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1074: else
1075: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.57 nicm 1076: } else if (tty->cx < tty->sx) {
1077: /*
1078: * The cursor isn't in the last position already, so
1.102 nicm 1079: * move as far left as possible and redraw the last
1.57 nicm 1080: * cell to move into the last position.
1081: */
1.193 nicm 1082: cx = screen_size_x(s) - ctx->last_cell.data.width;
1.50 nicm 1083: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1.176 nicm 1084: tty_cell(tty, &ctx->last_cell, wp);
1.50 nicm 1085: }
1086: } else
1.46 nicm 1087: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1088:
1.176 nicm 1089: tty_cell(tty, ctx->cell, wp);
1.1 nicm 1090: }
1091:
1092: void
1.24 nicm 1093: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1094: {
1.53 nicm 1095: struct window_pane *wp = ctx->wp;
1.1 nicm 1096:
1.53 nicm 1097: /*
1098: * Cannot rely on not being a partial character, so just redraw the
1099: * whole line.
1100: */
1.176 nicm 1101: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1102: }
1103:
1104: void
1105: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1106: {
1107: char *buf;
1108: size_t off;
1109:
1110: if (!tty_term_has(tty->term, TTYC_MS))
1111: return;
1112:
1113: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1114: buf = xmalloc(off);
1115:
1116: b64_ntop(ctx->ptr, ctx->num, buf, off);
1117: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1118:
1.138 nicm 1119: free(buf);
1.100 nicm 1120: }
1121:
1122: void
1123: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1124: {
1125: u_int i;
1126: u_char *str = ctx->ptr;
1127:
1128: for (i = 0; i < ctx->num; i++)
1129: tty_putc(tty, str[i]);
1.141 nicm 1130:
1131: tty->cx = tty->cy = UINT_MAX;
1132: tty->rupper = tty->rlower = UINT_MAX;
1133:
1.176 nicm 1134: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.141 nicm 1135: tty_cursor(tty, 0, 0);
1.1 nicm 1136: }
1137:
1138: void
1.176 nicm 1139: tty_cell(struct tty *tty, const struct grid_cell *gc,
1140: const struct window_pane *wp)
1.1 nicm 1141: {
1.193 nicm 1142: u_int i;
1.1 nicm 1143:
1144: /* Skip last character if terminal is stupid. */
1145: if (tty->term->flags & TERM_EARLYWRAP &&
1146: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
1147: return;
1148:
1149: /* If this is a padding character, do nothing. */
1150: if (gc->flags & GRID_FLAG_PADDING)
1151: return;
1152:
1153: /* Set the attributes. */
1.176 nicm 1154: tty_attributes(tty, gc, wp);
1.1 nicm 1155:
1.147 nicm 1156: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.193 nicm 1157: if (gc->data.size == 1) {
1158: if (*gc->data.data < 0x20 || *gc->data.data == 0x7f)
1.1 nicm 1159: return;
1.193 nicm 1160: tty_putc(tty, *gc->data.data);
1.1 nicm 1161: return;
1162: }
1163:
1.147 nicm 1164: /* If not UTF-8, write _. */
1.1 nicm 1165: if (!(tty->flags & TTY_UTF8)) {
1.193 nicm 1166: for (i = 0; i < gc->data.width; i++)
1.1 nicm 1167: tty_putc(tty, '_');
1168: return;
1169: }
1170:
1.147 nicm 1171: /* Write the data. */
1.193 nicm 1172: tty_putn(tty, gc->data.data, gc->data.size, gc->data.width);
1.1 nicm 1173: }
1174:
1175: void
1176: tty_reset(struct tty *tty)
1177: {
1178: struct grid_cell *gc = &tty->cell;
1179:
1180: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
1181: return;
1182:
1.90 nicm 1183: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1184: tty_putcode(tty, TTYC_RMACS);
1185: tty_putcode(tty, TTYC_SGR0);
1186: memcpy(gc, &grid_default_cell, sizeof *gc);
1187: }
1188:
1.40 nicm 1189: /* Set region inside pane. */
1.1 nicm 1190: void
1.196 ! nicm 1191: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
! 1192: u_int rlower)
1.1 nicm 1193: {
1.113 nicm 1194: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1195: }
1196:
1.40 nicm 1197: /* Set region at absolute position. */
1.39 nicm 1198: void
1.40 nicm 1199: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1200: {
1201: if (tty->rlower == rlower && tty->rupper == rupper)
1202: return;
1.1 nicm 1203: if (!tty_term_has(tty->term, TTYC_CSR))
1204: return;
1.39 nicm 1205:
1206: tty->rupper = rupper;
1207: tty->rlower = rlower;
1.55 nicm 1208:
1209: /*
1210: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1211: * 0,0 if it is beyond the last column (they do not reset their wrap
1212: * flag so further output causes a line feed). As a workaround, do an
1213: * explicit move to 0 first.
1214: */
1215: if (tty->cx >= tty->sx)
1216: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1217:
1.39 nicm 1218: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1219: tty_cursor(tty, 0, 0);
1.1 nicm 1220: }
1221:
1.42 nicm 1222: /* Move cursor inside pane. */
1.1 nicm 1223: void
1.41 nicm 1224: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1225: {
1.113 nicm 1226: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1227: }
1228:
1.42 nicm 1229: /* Move cursor to absolute position. */
1.41 nicm 1230: void
1231: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1232: {
1.42 nicm 1233: struct tty_term *term = tty->term;
1234: u_int thisx, thisy;
1235: int change;
1.77 nicm 1236:
1.42 nicm 1237: if (cx > tty->sx - 1)
1238: cx = tty->sx - 1;
1239:
1240: thisx = tty->cx;
1241: thisy = tty->cy;
1242:
1243: /* No change. */
1244: if (cx == thisx && cy == thisy)
1245: return;
1246:
1.43 nicm 1247: /* Very end of the line, just use absolute movement. */
1248: if (thisx > tty->sx - 1)
1249: goto absolute;
1250:
1.42 nicm 1251: /* Move to home position (0, 0). */
1252: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1253: tty_putcode(tty, TTYC_HOME);
1254: goto out;
1255: }
1256:
1257: /* Zero on the next line. */
1.48 nicm 1258: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1259: tty_putc(tty, '\r');
1.42 nicm 1260: tty_putc(tty, '\n');
1261: goto out;
1262: }
1263:
1.45 nicm 1264: /* Moving column or row. */
1.42 nicm 1265: if (cy == thisy) {
1.45 nicm 1266: /*
1267: * Moving column only, row staying the same.
1268: */
1269:
1.42 nicm 1270: /* To left edge. */
1271: if (cx == 0) {
1272: tty_putc(tty, '\r');
1273: goto out;
1274: }
1275:
1276: /* One to the left. */
1277: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1278: tty_putcode(tty, TTYC_CUB1);
1279: goto out;
1280: }
1281:
1282: /* One to the right. */
1283: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1284: tty_putcode(tty, TTYC_CUF1);
1285: goto out;
1286: }
1287:
1288: /* Calculate difference. */
1289: change = thisx - cx; /* +ve left, -ve right */
1290:
1291: /*
1292: * Use HPA if change is larger than absolute, otherwise move
1293: * the cursor with CUB/CUF.
1294: */
1.87 nicm 1295: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1296: tty_putcode1(tty, TTYC_HPA, cx);
1297: goto out;
1298: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1299: tty_putcode1(tty, TTYC_CUB, change);
1300: goto out;
1301: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1302: tty_putcode1(tty, TTYC_CUF, -change);
1303: goto out;
1304: }
1.45 nicm 1305: } else if (cx == thisx) {
1306: /*
1307: * Moving row only, column staying the same.
1308: */
1.42 nicm 1309:
1310: /* One above. */
1.77 nicm 1311: if (thisy != tty->rupper &&
1.42 nicm 1312: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1313: tty_putcode(tty, TTYC_CUU1);
1314: goto out;
1315: }
1316:
1317: /* One below. */
1.49 nicm 1318: if (thisy != tty->rlower &&
1.42 nicm 1319: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1320: tty_putcode(tty, TTYC_CUD1);
1321: goto out;
1322: }
1323:
1324: /* Calculate difference. */
1325: change = thisy - cy; /* +ve up, -ve down */
1326:
1327: /*
1.77 nicm 1328: * Try to use VPA if change is larger than absolute or if this
1329: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1330: */
1.87 nicm 1331: if ((u_int) abs(change) > cy ||
1.42 nicm 1332: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1333: (change > 0 && cy - change < tty->rupper)) {
1334: if (tty_term_has(term, TTYC_VPA)) {
1335: tty_putcode1(tty, TTYC_VPA, cy);
1336: goto out;
1337: }
1.42 nicm 1338: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1339: tty_putcode1(tty, TTYC_CUU, change);
1340: goto out;
1341: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1342: tty_putcode1(tty, TTYC_CUD, -change);
1343: goto out;
1344: }
1345: }
1346:
1.43 nicm 1347: absolute:
1.42 nicm 1348: /* Absolute movement. */
1349: tty_putcode2(tty, TTYC_CUP, cy, cx);
1350:
1351: out:
1352: tty->cx = cx;
1353: tty->cy = cy;
1.1 nicm 1354: }
1355:
1356: void
1.176 nicm 1357: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1358: const struct window_pane *wp)
1.1 nicm 1359: {
1.63 nicm 1360: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1361: u_char changed;
1.61 nicm 1362:
1.85 nicm 1363: memcpy(&gc2, gc, sizeof gc2);
1.176 nicm 1364: tty_default_colours(&gc2, wp);
1.63 nicm 1365:
1.18 nicm 1366: /*
1367: * If no setab, try to use the reverse attribute as a best-effort for a
1368: * non-default background. This is a bit of a hack but it doesn't do
1369: * any serious harm and makes a couple of applications happier.
1370: */
1371: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1372: if (gc2.attr & GRID_ATTR_REVERSE) {
1373: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1374: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1375: } else {
1.85 nicm 1376: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1377: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1378: }
1379: }
1.1 nicm 1380:
1.85 nicm 1381: /* Fix up the colours if necessary. */
1382: tty_check_fg(tty, &gc2);
1383: tty_check_bg(tty, &gc2);
1384:
1.64 nicm 1385: /* If any bits are being cleared, reset everything. */
1.85 nicm 1386: if (tc->attr & ~gc2.attr)
1.64 nicm 1387: tty_reset(tty);
1388:
1389: /*
1390: * Set the colours. This may call tty_reset() (so it comes next) and
1391: * may add to (NOT remove) the desired attributes by changing new_attr.
1392: */
1.85 nicm 1393: tty_colours(tty, &gc2);
1.64 nicm 1394:
1.1 nicm 1395: /* Filter out attribute bits already set. */
1.85 nicm 1396: changed = gc2.attr & ~tc->attr;
1397: tc->attr = gc2.attr;
1.1 nicm 1398:
1399: /* Set the attributes. */
1400: if (changed & GRID_ATTR_BRIGHT)
1401: tty_putcode(tty, TTYC_BOLD);
1402: if (changed & GRID_ATTR_DIM)
1403: tty_putcode(tty, TTYC_DIM);
1.180 nicm 1404: if (changed & GRID_ATTR_ITALICS)
1405: tty_set_italics(tty);
1.1 nicm 1406: if (changed & GRID_ATTR_UNDERSCORE)
1407: tty_putcode(tty, TTYC_SMUL);
1408: if (changed & GRID_ATTR_BLINK)
1409: tty_putcode(tty, TTYC_BLINK);
1410: if (changed & GRID_ATTR_REVERSE) {
1411: if (tty_term_has(tty->term, TTYC_REV))
1412: tty_putcode(tty, TTYC_REV);
1413: else if (tty_term_has(tty->term, TTYC_SMSO))
1414: tty_putcode(tty, TTYC_SMSO);
1415: }
1416: if (changed & GRID_ATTR_HIDDEN)
1417: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1418: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1419: tty_putcode(tty, TTYC_SMACS);
1420: }
1421:
1.61 nicm 1422: void
1.85 nicm 1423: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1424: {
1.61 nicm 1425: struct grid_cell *tc = &tty->cell;
1.62 nicm 1426: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1427: int have_ax, fg_default, bg_default;
1.61 nicm 1428:
1429: /* No changes? Nothing is necessary. */
1.62 nicm 1430: if (fg == tc->fg && bg == tc->bg &&
1431: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1432: return;
1.1 nicm 1433:
1.61 nicm 1434: /*
1435: * Is either the default colour? This is handled specially because the
1436: * best solution might be to reset both colours to default, in which
1437: * case if only one is default need to fall onward to set the other
1438: * colour.
1439: */
1.62 nicm 1440: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1441: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1442: if (fg_default || bg_default) {
1443: /*
1444: * If don't have AX but do have op, send sgr0 (op can't
1445: * actually be used because it is sometimes the same as sgr0
1446: * and sometimes isn't). This resets both colours to default.
1447: *
1448: * Otherwise, try to set the default colour only as needed.
1449: */
1.174 nicm 1450: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 1451: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1452: tty_reset(tty);
1453: else {
1454: if (fg_default &&
1.81 nicm 1455: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1456: if (have_ax)
1457: tty_puts(tty, "\033[39m");
1.81 nicm 1458: else if (tc->fg != 7 ||
1459: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1460: tty_putcode1(tty, TTYC_SETAF, 7);
1461: tc->fg = 8;
1462: tc->flags &= ~GRID_FLAG_FG256;
1463: }
1464: if (bg_default &&
1.81 nicm 1465: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1466: if (have_ax)
1.61 nicm 1467: tty_puts(tty, "\033[49m");
1.81 nicm 1468: else if (tc->bg != 0 ||
1469: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1470: tty_putcode1(tty, TTYC_SETAB, 0);
1471: tc->bg = 8;
1472: tc->flags &= ~GRID_FLAG_BG256;
1473: }
1474: }
1475: }
1.1 nicm 1476:
1.61 nicm 1477: /* Set the foreground colour. */
1478: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1479: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 nicm 1480: tty_colours_fg(tty, gc);
1.1 nicm 1481:
1.61 nicm 1482: /*
1483: * Set the background colour. This must come after the foreground as
1484: * tty_colour_fg() can call tty_reset().
1485: */
1486: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1487: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1488: tty_colours_bg(tty, gc);
1.1 nicm 1489: }
1490:
1491: void
1.85 nicm 1492: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1493: {
1494: u_int colours;
1495:
1.175 nicm 1496: colours = tty_term_number(tty->term, TTYC_COLORS);
1497:
1.85 nicm 1498: /* Is this a 256-colour colour? */
1499: if (gc->flags & GRID_FLAG_FG256) {
1500: /* And not a 256 colour mode? */
1.158 nicm 1501: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1502: !(tty->term_flags & TERM_256COLOURS)) {
1503: gc->fg = colour_256to16(gc->fg);
1504: if (gc->fg & 8) {
1505: gc->fg &= 7;
1.175 nicm 1506: if (colours >= 16)
1507: gc->fg += 90;
1508: else
1509: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1510: } else
1511: gc->attr &= ~GRID_ATTR_BRIGHT;
1512: gc->flags &= ~GRID_FLAG_FG256;
1513: }
1514: return;
1515: }
1516:
1517: /* Is this an aixterm colour? */
1518: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1519: gc->fg -= 90;
1520: gc->attr |= GRID_ATTR_BRIGHT;
1521: }
1522: }
1523:
1524: void
1525: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1526: {
1527: u_int colours;
1528:
1.175 nicm 1529: colours = tty_term_number(tty->term, TTYC_COLORS);
1530:
1.85 nicm 1531: /* Is this a 256-colour colour? */
1532: if (gc->flags & GRID_FLAG_BG256) {
1533: /*
1534: * And not a 256 colour mode? Translate to 16-colour
1535: * palette. Bold background doesn't exist portably, so just
1536: * discard the bold bit if set.
1537: */
1.158 nicm 1538: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1539: !(tty->term_flags & TERM_256COLOURS)) {
1540: gc->bg = colour_256to16(gc->bg);
1.175 nicm 1541: if (gc->bg & 8) {
1.85 nicm 1542: gc->bg &= 7;
1.175 nicm 1543: if (colours >= 16)
1544: gc->fg += 90;
1545: }
1.85 nicm 1546: gc->flags &= ~GRID_FLAG_BG256;
1547: }
1548: return;
1549: }
1550:
1551: /* Is this an aixterm colour? */
1.175 nicm 1552: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 1553: gc->bg -= 90;
1554: }
1555:
1556: void
1557: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1558: {
1.61 nicm 1559: struct grid_cell *tc = &tty->cell;
1560: u_char fg = gc->fg;
1.79 nicm 1561: char s[32];
1.1 nicm 1562:
1.61 nicm 1563: /* Is this a 256-colour colour? */
1.1 nicm 1564: if (gc->flags & GRID_FLAG_FG256) {
1.158 nicm 1565: /* Try as 256 colours. */
1.1 nicm 1566: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1567: goto save_fg;
1.85 nicm 1568: /* Else already handled by tty_check_fg. */
1569: return;
1.1 nicm 1570: }
1571:
1.79 nicm 1572: /* Is this an aixterm bright colour? */
1573: if (fg >= 90 && fg <= 97) {
1.85 nicm 1574: xsnprintf(s, sizeof s, "\033[%dm", fg);
1575: tty_puts(tty, s);
1576: goto save_fg;
1.79 nicm 1577: }
1578:
1.61 nicm 1579: /* Otherwise set the foreground colour. */
1580: tty_putcode1(tty, TTYC_SETAF, fg);
1581:
1.77 nicm 1582: save_fg:
1.61 nicm 1583: /* Save the new values in the terminal current cell. */
1584: tc->fg = fg;
1585: tc->flags &= ~GRID_FLAG_FG256;
1586: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1587: }
1588:
1589: void
1.73 nicm 1590: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1591: {
1.61 nicm 1592: struct grid_cell *tc = &tty->cell;
1593: u_char bg = gc->bg;
1.79 nicm 1594: char s[32];
1.1 nicm 1595:
1.61 nicm 1596: /* Is this a 256-colour colour? */
1.1 nicm 1597: if (gc->flags & GRID_FLAG_BG256) {
1.158 nicm 1598: /* Try as 256 colours. */
1.1 nicm 1599: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1600: goto save_bg;
1.85 nicm 1601: /* Else already handled by tty_check_bg. */
1602: return;
1.79 nicm 1603: }
1604:
1605: /* Is this an aixterm bright colour? */
1.112 nicm 1606: if (bg >= 90 && bg <= 97) {
1.175 nicm 1607: xsnprintf(s, sizeof s, "\033[%dm", bg + 10);
1608: tty_puts(tty, s);
1609: goto save_bg;
1.1 nicm 1610: }
1611:
1.61 nicm 1612: /* Otherwise set the background colour. */
1613: tty_putcode1(tty, TTYC_SETAB, bg);
1614:
1615: save_bg:
1616: /* Save the new values in the terminal current cell. */
1617: tc->bg = bg;
1618: tc->flags &= ~GRID_FLAG_BG256;
1619: tc->flags |= gc->flags & GRID_FLAG_BG256;
1620: }
1621:
1622: int
1623: tty_try_256(struct tty *tty, u_char colour, const char *type)
1624: {
1625: char s[32];
1626:
1.165 nicm 1627: /*
1.189 nicm 1628: * If the user has specified -2 to the client, setaf and setab may not
1629: * work (or they may not want to use them), so send the usual sequence.
1630: */
1631: if (tty->term_flags & TERM_256COLOURS)
1632: goto fallback;
1633:
1634: /*
1.188 nicm 1635: * If the terminfo entry has 256 colours and setaf and setab exist,
1636: * assume that they work correctly.
1.165 nicm 1637: */
1638: if (tty->term->flags & TERM_256COLOURS) {
1.188 nicm 1639: if (*type == '3') {
1640: if (!tty_term_has(tty->term, TTYC_SETAF))
1641: goto fallback;
1.165 nicm 1642: tty_putcode1(tty, TTYC_SETAF, colour);
1.188 nicm 1643: } else {
1644: if (!tty_term_has(tty->term, TTYC_SETAB))
1645: goto fallback;
1.165 nicm 1646: tty_putcode1(tty, TTYC_SETAB, colour);
1.188 nicm 1647: }
1.165 nicm 1648: return (0);
1649: }
1.61 nicm 1650:
1.165 nicm 1651: return (-1);
1.188 nicm 1652:
1653: fallback:
1654: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1655: tty_puts(tty, s);
1656: return (0);
1.176 nicm 1657: }
1658:
1659: void
1660: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
1661: {
1662: const struct grid_cell *agc, *pgc, *wgc;
1663:
1664: if (wp == NULL)
1665: return;
1666:
1667: pgc = &wp->colgc;
1.191 nicm 1668: agc = options_get_style(wp->window->options, "window-active-style");
1669: wgc = options_get_style(wp->window->options, "window-style");
1.176 nicm 1670:
1671: if (gc->fg == 8 && !(gc->flags & GRID_FLAG_FG256)) {
1672: if (pgc->fg != 8 || (pgc->flags & GRID_FLAG_FG256)) {
1673: gc->fg = pgc->fg;
1674: gc->flags |= (pgc->flags & GRID_FLAG_FG256);
1675: } else if (wp == wp->window->active &&
1676: (agc->fg != 8 || (agc->flags & GRID_FLAG_FG256))) {
1677: gc->fg = agc->fg;
1678: gc->flags |= (agc->flags & GRID_FLAG_FG256);
1679: } else {
1680: gc->fg = wgc->fg;
1681: gc->flags |= (wgc->flags & GRID_FLAG_FG256);
1682: }
1683: }
1684:
1685: if (gc->bg == 8 && !(gc->flags & GRID_FLAG_BG256)) {
1686: if (pgc->bg != 8 || (pgc->flags & GRID_FLAG_BG256)) {
1687: gc->bg = pgc->bg;
1688: gc->flags |= (pgc->flags & GRID_FLAG_BG256);
1689: } else if (wp == wp->window->active &&
1690: (agc->bg != 8 || (agc->flags & GRID_FLAG_BG256))) {
1691: gc->bg = agc->bg;
1692: gc->flags |= (agc->flags & GRID_FLAG_BG256);
1693: } else {
1694: gc->bg = wgc->bg;
1695: gc->flags |= (wgc->flags & GRID_FLAG_BG256);
1696: }
1697: }
1.1 nicm 1698: }
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