Annotation of src/usr.bin/tmux/tty.c, Revision 1.204
1.204 ! nicm 1: /* $OpenBSD: tty.c,v 1.203 2016/05/30 09:50:21 nicm Exp $ */
1.1 nicm 2:
3: /*
1.198 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/ioctl.h>
21:
1.106 nicm 22: #include <netinet/in.h>
23:
1.1 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:
1.201 nicm 39: static int tty_client_ready(struct client *, struct window_pane *);
40:
1.180 nicm 41: void tty_set_italics(struct tty *);
1.204 ! nicm 42: int tty_try_colour(struct tty *, int, const char *);
1.1 nicm 43:
1.85 nicm 44: void tty_colours(struct tty *, const struct grid_cell *);
45: void tty_check_fg(struct tty *, struct grid_cell *);
46: void tty_check_bg(struct tty *, struct grid_cell *);
47: void tty_colours_fg(struct tty *, const struct grid_cell *);
1.73 nicm 48: void tty_colours_bg(struct tty *, const struct grid_cell *);
1.1 nicm 49:
1.120 nicm 50: int tty_large_region(struct tty *, const struct tty_ctx *);
1.176 nicm 51: int tty_fake_bce(const struct tty *, const struct window_pane *);
1.24 nicm 52: void tty_redraw_region(struct tty *, const struct tty_ctx *);
1.196 nicm 53: void tty_emulate_repeat(struct tty *, enum tty_code_code, enum tty_code_code,
54: u_int);
1.133 nicm 55: void tty_repeat_space(struct tty *, u_int);
1.176 nicm 56: void tty_cell(struct tty *, const struct grid_cell *,
57: const struct window_pane *);
58: void tty_default_colours(struct grid_cell *, const struct window_pane *);
1.1 nicm 59:
1.90 nicm 60: #define tty_use_acs(tty) \
1.131 nicm 61: (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.90 nicm 62:
1.132 nicm 63: #define tty_pane_full_width(tty, ctx) \
64: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
65:
1.192 nicm 66: void
67: tty_create_log(void)
68: {
69: char name[64];
70:
71: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
72:
73: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
74: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
75: fatal("fcntl failed");
76: }
77:
1.185 nicm 78: int
1.136 nicm 79: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 80: {
1.30 nicm 81: char *path;
82:
1.185 nicm 83: if (!isatty(fd))
84: return (-1);
85:
1.30 nicm 86: memset(tty, 0, sizeof *tty);
1.22 nicm 87:
1.9 nicm 88: if (term == NULL || *term == '\0')
1.1 nicm 89: tty->termname = xstrdup("unknown");
90: else
91: tty->termname = xstrdup(term);
1.30 nicm 92: tty->fd = fd;
1.136 nicm 93: tty->client = c;
1.30 nicm 94:
95: if ((path = ttyname(fd)) == NULL)
1.185 nicm 96: return (-1);
1.30 nicm 97: tty->path = xstrdup(path);
1.108 nicm 98: tty->cstyle = 0;
1.107 nicm 99: tty->ccolour = xstrdup("");
1.30 nicm 100:
1.1 nicm 101: tty->flags = 0;
102: tty->term_flags = 0;
1.185 nicm 103:
104: return (0);
1.31 nicm 105: }
106:
1.88 nicm 107: int
1.31 nicm 108: tty_resize(struct tty *tty)
109: {
110: struct winsize ws;
1.88 nicm 111: u_int sx, sy;
1.31 nicm 112:
113: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 114: sx = ws.ws_col;
115: if (sx == 0)
116: sx = 80;
117: sy = ws.ws_row;
118: if (sy == 0)
119: sy = 24;
120: } else {
121: sx = 80;
122: sy = 24;
1.31 nicm 123: }
1.114 nicm 124: if (!tty_set_size(tty, sx, sy))
1.88 nicm 125: return (0);
1.31 nicm 126:
127: tty->cx = UINT_MAX;
128: tty->cy = UINT_MAX;
129:
130: tty->rupper = UINT_MAX;
131: tty->rlower = UINT_MAX;
1.88 nicm 132:
133: /*
134: * If the terminal has been started, reset the actual scroll region and
135: * cursor position, as this may not have happened.
136: */
137: if (tty->flags & TTY_STARTED) {
138: tty_cursor(tty, 0, 0);
139: tty_region(tty, 0, tty->sy - 1);
140: }
141:
1.114 nicm 142: return (1);
143: }
144:
145: int
146: tty_set_size(struct tty *tty, u_int sx, u_int sy) {
147: if (sx == tty->sx && sy == tty->sy)
148: return (0);
149: tty->sx = sx;
150: tty->sy = sy;
1.88 nicm 151: return (1);
1.1 nicm 152: }
153:
154: int
1.166 nicm 155: tty_open(struct tty *tty, char **cause)
1.1 nicm 156: {
1.166 nicm 157: tty->term = tty_term_find(tty->termname, tty->fd, cause);
1.21 nicm 158: if (tty->term == NULL) {
159: tty_close(tty);
160: return (-1);
161: }
162: tty->flags |= TTY_OPENED;
1.1 nicm 163:
1.149 nicm 164: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_TIMER);
1.1 nicm 165:
1.196 nicm 166: tty->event = bufferevent_new(tty->fd, tty_read_callback, NULL,
167: tty_error_callback, tty);
1.1 nicm 168:
169: tty_start_tty(tty);
170:
1.148 nicm 171: tty_keys_build(tty);
1.1 nicm 172:
173: return (0);
174: }
175:
176: void
1.194 nicm 177: tty_read_callback(__unused struct bufferevent *bufev, void *data)
1.67 nicm 178: {
179: struct tty *tty = data;
180:
181: while (tty_keys_next(tty))
182: ;
183: }
184:
185: void
1.194 nicm 186: tty_error_callback(__unused struct bufferevent *bufev, __unused short what,
187: __unused void *data)
1.66 nicm 188: {
189: }
190:
191: void
1.127 nicm 192: tty_init_termios(int fd, struct termios *orig_tio, struct bufferevent *bufev)
1.1 nicm 193: {
1.128 nicm 194: struct termios tio;
1.33 nicm 195:
1.127 nicm 196: if (fd == -1 || tcgetattr(fd, orig_tio) != 0)
1.33 nicm 197: return;
1.1 nicm 198:
1.127 nicm 199: setblocking(fd, 0);
1.34 nicm 200:
1.127 nicm 201: if (bufev != NULL)
202: bufferevent_enable(bufev, EV_READ|EV_WRITE);
1.66 nicm 203:
1.127 nicm 204: memcpy(&tio, orig_tio, sizeof tio);
1.1 nicm 205: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
206: tio.c_iflag |= IGNBRK;
207: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
208: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
1.169 jsg 209: ECHOPRT|ECHOKE|ISIG);
1.1 nicm 210: tio.c_cc[VMIN] = 1;
1.60 deraadt 211: tio.c_cc[VTIME] = 0;
1.127 nicm 212: if (tcsetattr(fd, TCSANOW, &tio) == 0)
213: tcflush(fd, TCIOFLUSH);
214: }
215:
216: void
217: tty_start_tty(struct tty *tty)
218: {
219: tty_init_termios(tty->fd, &tty->tio, tty->event);
1.1 nicm 220:
1.10 nicm 221: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 222:
1.25 nicm 223: tty_putcode(tty, TTYC_SGR0);
224: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
225:
1.76 nicm 226: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 227: if (tty_use_acs(tty))
228: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 229: tty_putcode(tty, TTYC_CLEAR);
230:
231: tty_putcode(tty, TTYC_CNORM);
232: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 233: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.121 nicm 234:
1.189 nicm 235: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 236: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 237: tty->flags |= TTY_FOCUS;
238: tty_puts(tty, "\033[?1004h");
239: }
240: }
1.1 nicm 241:
242: tty->cx = UINT_MAX;
243: tty->cy = UINT_MAX;
244:
245: tty->rlower = UINT_MAX;
246: tty->rupper = UINT_MAX;
247:
248: tty->mode = MODE_CURSOR;
1.20 nicm 249:
250: tty->flags |= TTY_STARTED;
1.107 nicm 251:
252: tty_force_cursor_colour(tty, "");
1.177 nicm 253:
254: tty->mouse_drag_flag = 0;
255: tty->mouse_drag_update = NULL;
256: tty->mouse_drag_release = NULL;
1.128 nicm 257: }
258:
259: void
1.1 nicm 260: tty_stop_tty(struct tty *tty)
261: {
262: struct winsize ws;
263:
1.20 nicm 264: if (!(tty->flags & TTY_STARTED))
265: return;
266: tty->flags &= ~TTY_STARTED;
267:
1.66 nicm 268: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
269:
1.1 nicm 270: /*
271: * Be flexible about error handling and try not kill the server just
272: * because the fd is invalid. Things like ssh -t can easily leave us
273: * with a dead tty.
274: */
275: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
276: return;
277: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
278: return;
279:
280: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 281: if (tty_use_acs(tty))
282: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 283: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
284: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
285: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 286: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
287: if (tty_term_has(tty->term, TTYC_SE))
288: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 289: else
1.160 nicm 290: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 291: }
1.173 nicm 292: if (tty->mode & MODE_BRACKETPASTE)
293: tty_raw(tty, "\033[?2004l");
1.107 nicm 294: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 295:
296: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
297: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 298: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.151 nicm 299:
1.189 nicm 300: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 301: if (tty->flags & TTY_FOCUS) {
302: tty->flags &= ~TTY_FOCUS;
1.172 nicm 303: tty_raw(tty, "\033[?1004l");
1.162 nicm 304: }
305: }
1.10 nicm 306:
307: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 308:
309: setblocking(tty->fd, 1);
1.1 nicm 310: }
311:
312: void
1.20 nicm 313: tty_close(struct tty *tty)
1.1 nicm 314: {
1.123 nicm 315: if (event_initialized(&tty->key_timer))
316: evtimer_del(&tty->key_timer);
1.20 nicm 317: tty_stop_tty(tty);
1.1 nicm 318:
1.21 nicm 319: if (tty->flags & TTY_OPENED) {
1.66 nicm 320: bufferevent_free(tty->event);
321:
1.21 nicm 322: tty_term_free(tty->term);
323: tty_keys_free(tty);
324:
325: tty->flags &= ~TTY_OPENED;
326: }
1.1 nicm 327:
1.21 nicm 328: if (tty->fd != -1) {
329: close(tty->fd);
330: tty->fd = -1;
331: }
1.1 nicm 332: }
333:
334: void
1.20 nicm 335: tty_free(struct tty *tty)
1.1 nicm 336: {
1.20 nicm 337: tty_close(tty);
1.1 nicm 338:
1.138 nicm 339: free(tty->ccolour);
1.190 nicm 340: free(tty->path);
341: free(tty->termname);
1.1 nicm 342: }
343:
344: void
345: tty_raw(struct tty *tty, const char *s)
346: {
1.150 nicm 347: ssize_t n, slen;
348: u_int i;
349:
350: slen = strlen(s);
351: for (i = 0; i < 5; i++) {
352: n = write(tty->fd, s, slen);
353: if (n >= 0) {
354: s += n;
355: slen -= n;
356: if (slen == 0)
357: break;
358: } else if (n == -1 && errno != EAGAIN)
359: break;
360: usleep(100);
361: }
1.1 nicm 362: }
363:
364: void
365: tty_putcode(struct tty *tty, enum tty_code_code code)
366: {
367: tty_puts(tty, tty_term_string(tty->term, code));
368: }
369:
370: void
371: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
372: {
373: if (a < 0)
374: return;
375: tty_puts(tty, tty_term_string1(tty->term, code, a));
376: }
377:
378: void
379: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
380: {
381: if (a < 0 || b < 0)
382: return;
383: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
384: }
385:
386: void
1.107 nicm 387: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
388: {
389: if (a != NULL)
390: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
391: }
392:
393: void
1.167 nicm 394: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
395: const void *b)
1.106 nicm 396: {
397: if (a != NULL && b != NULL)
398: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
399: }
400:
401: void
1.1 nicm 402: tty_puts(struct tty *tty, const char *s)
403: {
404: if (*s == '\0')
405: return;
1.66 nicm 406: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 407:
1.192 nicm 408: if (tty_log_fd != -1)
409: write(tty_log_fd, s, strlen(s));
1.1 nicm 410: }
411:
412: void
413: tty_putc(struct tty *tty, u_char ch)
414: {
1.90 nicm 415: const char *acs;
416: u_int sx;
1.1 nicm 417:
1.90 nicm 418: if (tty->cell.attr & GRID_ATTR_CHARSET) {
419: acs = tty_acs_get(tty, ch);
420: if (acs != NULL)
421: bufferevent_write(tty->event, acs, strlen(acs));
422: else
423: bufferevent_write(tty->event, &ch, 1);
424: } else
425: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 426:
427: if (ch >= 0x20 && ch != 0x7f) {
428: sx = tty->sx;
429: if (tty->term->flags & TERM_EARLYWRAP)
430: sx--;
431:
1.46 nicm 432: if (tty->cx >= sx) {
433: tty->cx = 1;
434: if (tty->cy != tty->rlower)
435: tty->cy++;
1.1 nicm 436: } else
437: tty->cx++;
438: }
439:
1.192 nicm 440: if (tty_log_fd != -1)
441: write(tty_log_fd, &ch, 1);
1.1 nicm 442: }
443:
444: void
1.147 nicm 445: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 446: {
1.147 nicm 447: bufferevent_write(tty->event, buf, len);
1.192 nicm 448: if (tty_log_fd != -1)
449: write(tty_log_fd, buf, len);
1.147 nicm 450: tty->cx += width;
1.5 nicm 451: }
452:
453: void
1.180 nicm 454: tty_set_italics(struct tty *tty)
455: {
456: const char *s;
457:
458: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 459: s = options_get_string(global_options, "default-terminal");
1.180 nicm 460: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
461: tty_putcode(tty, TTYC_SITM);
462: return;
463: }
464: }
465: tty_putcode(tty, TTYC_SMSO);
466: }
467:
468: void
1.1 nicm 469: tty_set_title(struct tty *tty, const char *title)
470: {
1.105 nicm 471: if (!tty_term_has(tty->term, TTYC_TSL) ||
472: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 473: return;
474:
1.105 nicm 475: tty_putcode(tty, TTYC_TSL);
1.1 nicm 476: tty_puts(tty, title);
1.105 nicm 477: tty_putcode(tty, TTYC_FSL);
1.1 nicm 478: }
479:
480: void
1.107 nicm 481: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
482: {
483: if (*ccolour == '\0')
484: tty_putcode(tty, TTYC_CR);
485: else
1.160 nicm 486: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 487: free(tty->ccolour);
1.107 nicm 488: tty->ccolour = xstrdup(ccolour);
489: }
490:
491: void
492: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 493: {
494: int changed;
495:
1.197 nicm 496: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 497: tty_force_cursor_colour(tty, s->ccolour);
498:
1.1 nicm 499: if (tty->flags & TTY_NOCURSOR)
500: mode &= ~MODE_CURSOR;
501:
502: changed = mode ^ tty->mode;
1.183 nicm 503: if (changed & MODE_BLINKING) {
504: if (tty_term_has(tty->term, TTYC_CVVIS))
505: tty_putcode(tty, TTYC_CVVIS);
506: else
507: tty_putcode(tty, TTYC_CNORM);
508: changed |= MODE_CURSOR;
509: }
510: if (changed & MODE_CURSOR) {
511: if (mode & MODE_CURSOR)
512: tty_putcode(tty, TTYC_CNORM);
513: else
1.1 nicm 514: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 515: }
1.181 nicm 516: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 517: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 518: if (s->cstyle == 0 &&
1.160 nicm 519: tty_term_has(tty->term, TTYC_SE))
520: tty_putcode(tty, TTYC_SE);
1.108 nicm 521: else
1.160 nicm 522: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 523: }
524: tty->cstyle = s->cstyle;
1.1 nicm 525: }
1.195 nicm 526: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 527: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 528: /*
529: * Enable the SGR (1006) extension unconditionally, as
530: * this is safe from misinterpretation. Do it in this
531: * order, because in some terminals it's the last one
532: * that takes effect and SGR is the preferred one.
533: */
534: tty_puts(tty, "\033[?1006h");
1.170 nicm 535: if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 536: tty_puts(tty, "\033[?1002h");
1.98 nicm 537: else if (mode & MODE_MOUSE_STANDARD)
538: tty_puts(tty, "\033[?1000h");
1.86 nicm 539: } else {
1.170 nicm 540: if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 541: tty_puts(tty, "\033[?1002l");
1.98 nicm 542: else if (tty->mode & MODE_MOUSE_STANDARD)
543: tty_puts(tty, "\033[?1000l");
1.153 nicm 544: tty_puts(tty, "\033[?1006l");
1.86 nicm 545: }
1.76 nicm 546: }
547: if (changed & MODE_KKEYPAD) {
548: if (mode & MODE_KKEYPAD)
549: tty_putcode(tty, TTYC_SMKX);
550: else
551: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 552: }
553: if (changed & MODE_BRACKETPASTE) {
554: if (mode & MODE_BRACKETPASTE)
555: tty_puts(tty, "\033[?2004h");
556: else
557: tty_puts(tty, "\033[?2004l");
1.1 nicm 558: }
559: tty->mode = mode;
560: }
561:
562: void
1.168 nicm 563: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
564: enum tty_code_code code1, u_int n)
1.1 nicm 565: {
566: if (tty_term_has(tty->term, code))
567: tty_putcode1(tty, code, n);
568: else {
569: while (n-- > 0)
570: tty_putcode(tty, code1);
571: }
572: }
573:
1.133 nicm 574: void
575: tty_repeat_space(struct tty *tty, u_int n)
576: {
577: while (n-- > 0)
578: tty_putc(tty, ' ');
579: }
580:
1.1 nicm 581: /*
1.119 nicm 582: * Is the region large enough to be worth redrawing once later rather than
583: * probably several times now? Currently yes if it is more than 50% of the
584: * pane.
585: */
586: int
1.194 nicm 587: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 588: {
589: struct window_pane *wp = ctx->wp;
590:
591: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
592: }
593:
594: /*
1.176 nicm 595: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
596: * emulated.
597: */
598: int
599: tty_fake_bce(const struct tty *tty, const struct window_pane *wp)
600: {
601: struct grid_cell gc;
602:
603: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 604: if (wp != NULL)
605: tty_default_colours(&gc, wp);
1.176 nicm 606:
1.204 ! nicm 607: if (gc.bg == 8)
1.176 nicm 608: return (0);
609: return (!tty_term_flag(tty->term, TTYC_BCE));
610: }
611:
612: /*
1.1 nicm 613: * Redraw scroll region using data from screen (already updated). Used when
614: * CSR not supported, or window is a pane that doesn't take up the full
615: * width of the terminal.
616: */
617: void
1.24 nicm 618: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 619: {
1.14 nicm 620: struct window_pane *wp = ctx->wp;
621: struct screen *s = wp->screen;
1.204 ! nicm 622: u_int i;
1.1 nicm 623:
624: /*
1.119 nicm 625: * If region is large, schedule a window redraw. In most cases this is
626: * likely to be followed by some more scrolling.
1.1 nicm 627: */
1.119 nicm 628: if (tty_large_region(tty, ctx)) {
1.1 nicm 629: wp->flags |= PANE_REDRAW;
630: return;
631: }
632:
1.14 nicm 633: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
634: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176 nicm 635: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 636: } else {
1.14 nicm 637: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176 nicm 638: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 639: }
640: }
641:
642: void
1.176 nicm 643: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
644: u_int oy)
645: {
646: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
647: }
648:
649: void
650: tty_draw_line(struct tty *tty, const struct window_pane *wp,
651: struct screen *s, u_int py, u_int ox, u_int oy)
1.1 nicm 652: {
1.193 nicm 653: struct grid_cell gc;
1.46 nicm 654: struct grid_line *gl;
1.1 nicm 655: u_int i, sx;
1.181 nicm 656: int flags;
1.1 nicm 657:
1.181 nicm 658: flags = tty->flags & TTY_NOCURSOR;
659: tty->flags |= TTY_NOCURSOR;
660: tty_update_mode(tty, tty->mode, s);
1.35 nicm 661:
1.1 nicm 662: sx = screen_size_x(s);
1.19 nicm 663: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
664: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 665: if (sx > tty->sx)
666: sx = tty->sx;
667:
1.46 nicm 668: /*
1.174 nicm 669: * Don't move the cursor to the start position if it will wrap there
1.50 nicm 670: * itself.
1.46 nicm 671: */
672: gl = NULL;
673: if (py != 0)
674: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 675: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 676: tty->cx < tty->sx || ox != 0 ||
677: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 678: tty_cursor(tty, ox, oy + py);
679:
1.1 nicm 680: for (i = 0; i < sx; i++) {
1.193 nicm 681: grid_view_get_cell(s->grid, i, py, &gc);
682: tty_cell(tty, &gc, wp);
1.1 nicm 683: }
684:
1.181 nicm 685: if (sx < tty->sx) {
686: tty_attributes(tty, &grid_default_cell, wp);
687:
688: tty_cursor(tty, ox + sx, oy + py);
689: if (sx != screen_size_x(s) &&
690: ox + screen_size_x(s) >= tty->sx &&
691: tty_term_has(tty->term, TTYC_EL) &&
692: !tty_fake_bce(tty, wp))
693: tty_putcode(tty, TTYC_EL);
694: else
695: tty_repeat_space(tty, screen_size_x(s) - sx);
1.35 nicm 696: }
1.1 nicm 697:
1.181 nicm 698: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 699: tty_update_mode(tty, tty->mode, s);
1.15 nicm 700: }
701:
1.201 nicm 702: static int
1.182 nicm 703: tty_client_ready(struct client *c, struct window_pane *wp)
704: {
705: if (c->session == NULL || c->tty.term == NULL)
706: return (0);
707: if (c->flags & CLIENT_SUSPENDED)
708: return (0);
709: if (c->tty.flags & TTY_FREEZE)
710: return (0);
711: if (c->session->curw->window != wp->window)
712: return (0);
713: return (1);
714: }
715:
1.15 nicm 716: void
1.182 nicm 717: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
718: struct tty_ctx *ctx)
1.15 nicm 719: {
720: struct window_pane *wp = ctx->wp;
721: struct client *c;
722:
1.75 nicm 723: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 724: if (wp == NULL)
725: return;
726:
727: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
728: return;
1.129 nicm 729: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 730: return;
731:
1.178 nicm 732: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 733: if (!tty_client_ready(c, wp))
1.15 nicm 734: continue;
735:
1.139 nicm 736: ctx->xoff = wp->xoff;
737: ctx->yoff = wp->yoff;
738: if (status_at_line(c) == 0)
739: ctx->yoff++;
1.113 nicm 740:
1.139 nicm 741: cmdfn(&c->tty, ctx);
1.1 nicm 742: }
743: }
744:
745: void
1.24 nicm 746: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 747: {
1.77 nicm 748: struct window_pane *wp = ctx->wp;
1.1 nicm 749:
1.135 nicm 750: if (!tty_pane_full_width(tty, ctx)) {
1.176 nicm 751: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 752: return;
753: }
754:
1.176 nicm 755: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 756:
1.77 nicm 757: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 758:
1.176 nicm 759: if (!tty_fake_bce(tty, wp) && (tty_term_has(tty->term, TTYC_ICH) ||
760: tty_term_has(tty->term, TTYC_ICH1)))
1.12 nicm 761: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.134 nicm 762: else
1.176 nicm 763: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 764: }
765:
766: void
1.24 nicm 767: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 768: {
1.77 nicm 769: struct window_pane *wp = ctx->wp;
1.1 nicm 770:
1.176 nicm 771: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, wp) ||
1.26 nicm 772: (!tty_term_has(tty->term, TTYC_DCH) &&
773: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 774: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 775: return;
776: }
777:
1.176 nicm 778: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 779:
1.77 nicm 780: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 781:
1.26 nicm 782: if (tty_term_has(tty->term, TTYC_DCH) ||
783: tty_term_has(tty->term, TTYC_DCH1))
784: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 785: }
786:
787: void
788: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
789: {
790: u_int i;
791:
1.176 nicm 792: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.146 nicm 793:
794: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
795:
1.176 nicm 796: if (tty_term_has(tty->term, TTYC_ECH) && !tty_fake_bce(tty, ctx->wp))
1.146 nicm 797: tty_putcode1(tty, TTYC_ECH, ctx->num);
798: else {
799: for (i = 0; i < ctx->num; i++)
800: tty_putc(tty, ' ');
801: }
1.1 nicm 802: }
803:
804: void
1.24 nicm 805: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 806: {
1.176 nicm 807: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.77 nicm 808: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 809: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 810: tty_redraw_region(tty, ctx);
1.1 nicm 811: return;
812: }
813:
1.176 nicm 814: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 815:
1.77 nicm 816: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
817: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 818:
1.12 nicm 819: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 820: }
821:
822: void
1.24 nicm 823: tty_cmd_deleteline(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) ||
1.72 nicm 826: !tty_term_has(tty->term, TTYC_CSR) ||
827: !tty_term_has(tty->term, TTYC_DL1)) {
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_DL, TTYC_DL1, ctx->num);
1.1 nicm 838: }
839:
840: void
1.24 nicm 841: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 842: {
1.77 nicm 843: struct window_pane *wp = ctx->wp;
1.12 nicm 844: struct screen *s = wp->screen;
1.1 nicm 845:
1.176 nicm 846: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 847:
1.77 nicm 848: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 849:
1.176 nicm 850: if (tty_pane_full_width(tty, ctx) && !tty_fake_bce(tty, wp) &&
851: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 852: tty_putcode(tty, TTYC_EL);
1.133 nicm 853: else
854: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 855: }
856:
857: void
1.24 nicm 858: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 859: {
1.77 nicm 860: struct window_pane *wp = ctx->wp;
1.12 nicm 861: struct screen *s = wp->screen;
1.1 nicm 862:
1.176 nicm 863: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 864:
1.41 nicm 865: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
866:
1.176 nicm 867: if (tty_pane_full_width(tty, ctx) &&
868: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp))
1.1 nicm 869: tty_putcode(tty, TTYC_EL);
1.133 nicm 870: else
871: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.1 nicm 872: }
873:
874: void
1.24 nicm 875: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 876: {
1.176 nicm 877: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 878:
1.176 nicm 879: if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1) &&
880: !tty_fake_bce(tty, ctx->wp)) {
1.41 nicm 881: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 882: tty_putcode(tty, TTYC_EL1);
883: } else {
1.41 nicm 884: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 885: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 886: }
887: }
888:
889: void
1.24 nicm 890: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 891: {
1.56 nicm 892: if (ctx->ocy != ctx->orupper)
893: return;
894:
1.176 nicm 895: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.70 nicm 896: !tty_term_has(tty->term, TTYC_CSR) ||
897: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 898: tty_redraw_region(tty, ctx);
1.1 nicm 899: return;
900: }
901:
1.176 nicm 902: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.77 nicm 903:
1.56 nicm 904: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
905: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 906:
1.56 nicm 907: tty_putcode(tty, TTYC_RI);
1.1 nicm 908: }
909:
910: void
1.24 nicm 911: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 912: {
1.77 nicm 913: struct window_pane *wp = ctx->wp;
1.1 nicm 914:
1.56 nicm 915: if (ctx->ocy != ctx->orlower)
916: return;
917:
1.176 nicm 918: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, wp) ||
1.1 nicm 919: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 920: if (tty_large_region(tty, ctx))
921: wp->flags |= PANE_REDRAW;
1.140 nicm 922: else
1.128 nicm 923: tty_redraw_region(tty, ctx);
1.1 nicm 924: return;
925: }
1.52 nicm 926:
927: /*
928: * If this line wrapped naturally (ctx->num is nonzero), don't do
929: * anything - the cursor can just be moved to the last cell and wrap
930: * naturally.
931: */
932: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
933: return;
1.1 nicm 934:
1.176 nicm 935: tty_attributes(tty, &grid_default_cell, wp);
1.77 nicm 936:
1.56 nicm 937: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
938: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 939:
1.56 nicm 940: tty_putc(tty, '\n');
1.1 nicm 941: }
942:
943: void
1.24 nicm 944: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 945: {
1.77 nicm 946: struct window_pane *wp = ctx->wp;
1.12 nicm 947: struct screen *s = wp->screen;
1.204 ! nicm 948: u_int i, j;
1.1 nicm 949:
1.176 nicm 950: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 951:
1.39 nicm 952: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 953: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 954:
1.176 nicm 955: if (tty_pane_full_width(tty, ctx) &&
956: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.1 nicm 957: tty_putcode(tty, TTYC_EL);
1.14 nicm 958: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 959: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 960: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 961: tty_putcode(tty, TTYC_EL);
962: if (i == screen_size_y(s) - 1)
963: continue;
964: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
965: tty->cy++;
966: }
967: }
968: } else {
1.133 nicm 969: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.68 nicm 970: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 971: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 972: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 973: }
974: }
975: }
976:
977: void
1.24 nicm 978: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 979: {
1.77 nicm 980: struct window_pane *wp = ctx->wp;
1.12 nicm 981: struct screen *s = wp->screen;
1.204 ! nicm 982: u_int i, j;
1.1 nicm 983:
1.176 nicm 984: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 985:
1.39 nicm 986: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 987: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 988:
1.176 nicm 989: if (tty_pane_full_width(tty, ctx) &&
990: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.14 nicm 991: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 992: tty_putcode(tty, TTYC_EL);
993: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
994: tty->cy++;
995: }
996: } else {
1.14 nicm 997: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 998: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 999: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1000: }
1001: }
1.133 nicm 1002: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 1003: }
1004:
1005: void
1.24 nicm 1006: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1007: {
1.77 nicm 1008: struct window_pane *wp = ctx->wp;
1.12 nicm 1009: struct screen *s = wp->screen;
1.204 ! nicm 1010: u_int i, j;
1.1 nicm 1011:
1.176 nicm 1012: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 1013:
1.39 nicm 1014: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 1015: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 1016:
1.176 nicm 1017: if (tty_pane_full_width(tty, ctx) &&
1018: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.1 nicm 1019: for (i = 0; i < screen_size_y(s); i++) {
1020: tty_putcode(tty, TTYC_EL);
1021: if (i != screen_size_y(s) - 1) {
1022: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1023: tty->cy++;
1024: }
1025: }
1026: } else {
1027: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1028: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1029: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1030: }
1.4 nicm 1031: }
1032: }
1033:
1034: void
1.24 nicm 1035: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1036: {
1.12 nicm 1037: struct window_pane *wp = ctx->wp;
1038: struct screen *s = wp->screen;
1039: u_int i, j;
1.4 nicm 1040:
1.176 nicm 1041: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1042:
1.39 nicm 1043: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 1044:
1045: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1046: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1047: for (i = 0; i < screen_size_x(s); i++)
1048: tty_putc(tty, 'E');
1.1 nicm 1049: }
1050: }
1051:
1052: void
1.24 nicm 1053: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1054: {
1.46 nicm 1055: struct window_pane *wp = ctx->wp;
1056: struct screen *s = wp->screen;
1.203 nicm 1057: u_int cx, width;
1.46 nicm 1058:
1.203 nicm 1059: if (ctx->ocy == ctx->orlower)
1060: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1061:
1.57 nicm 1062: /* Is the cursor in the very last position? */
1.193 nicm 1063: width = ctx->cell->data.width;
1.102 nicm 1064: if (ctx->ocx > wp->sx - width) {
1.113 nicm 1065: if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57 nicm 1066: /*
1067: * The pane doesn't fill the entire line, the linefeed
1068: * will already have happened, so just move the cursor.
1069: */
1.125 nicm 1070: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 1071: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1072: else
1073: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.57 nicm 1074: } else if (tty->cx < tty->sx) {
1075: /*
1076: * The cursor isn't in the last position already, so
1.102 nicm 1077: * move as far left as possible and redraw the last
1.57 nicm 1078: * cell to move into the last position.
1079: */
1.193 nicm 1080: cx = screen_size_x(s) - ctx->last_cell.data.width;
1.50 nicm 1081: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1.176 nicm 1082: tty_cell(tty, &ctx->last_cell, wp);
1.50 nicm 1083: }
1084: } else
1.46 nicm 1085: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1086:
1.176 nicm 1087: tty_cell(tty, ctx->cell, wp);
1.1 nicm 1088: }
1089:
1090: void
1.24 nicm 1091: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1092: {
1.53 nicm 1093: struct window_pane *wp = ctx->wp;
1.1 nicm 1094:
1.53 nicm 1095: /*
1096: * Cannot rely on not being a partial character, so just redraw the
1097: * whole line.
1098: */
1.176 nicm 1099: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1100: }
1101:
1102: void
1103: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1104: {
1105: char *buf;
1106: size_t off;
1107:
1108: if (!tty_term_has(tty->term, TTYC_MS))
1109: return;
1110:
1111: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1112: buf = xmalloc(off);
1113:
1114: b64_ntop(ctx->ptr, ctx->num, buf, off);
1115: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1116:
1.138 nicm 1117: free(buf);
1.100 nicm 1118: }
1119:
1120: void
1121: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1122: {
1123: u_int i;
1124: u_char *str = ctx->ptr;
1125:
1126: for (i = 0; i < ctx->num; i++)
1127: tty_putc(tty, str[i]);
1.141 nicm 1128:
1129: tty->cx = tty->cy = UINT_MAX;
1130: tty->rupper = tty->rlower = UINT_MAX;
1131:
1.176 nicm 1132: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.141 nicm 1133: tty_cursor(tty, 0, 0);
1.1 nicm 1134: }
1135:
1136: void
1.176 nicm 1137: tty_cell(struct tty *tty, const struct grid_cell *gc,
1138: const struct window_pane *wp)
1.1 nicm 1139: {
1.193 nicm 1140: u_int i;
1.1 nicm 1141:
1142: /* Skip last character if terminal is stupid. */
1143: if (tty->term->flags & TERM_EARLYWRAP &&
1144: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
1145: return;
1146:
1147: /* If this is a padding character, do nothing. */
1148: if (gc->flags & GRID_FLAG_PADDING)
1149: return;
1150:
1151: /* Set the attributes. */
1.176 nicm 1152: tty_attributes(tty, gc, wp);
1.1 nicm 1153:
1.147 nicm 1154: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.193 nicm 1155: if (gc->data.size == 1) {
1156: if (*gc->data.data < 0x20 || *gc->data.data == 0x7f)
1.1 nicm 1157: return;
1.193 nicm 1158: tty_putc(tty, *gc->data.data);
1.1 nicm 1159: return;
1160: }
1161:
1.147 nicm 1162: /* If not UTF-8, write _. */
1.1 nicm 1163: if (!(tty->flags & TTY_UTF8)) {
1.193 nicm 1164: for (i = 0; i < gc->data.width; i++)
1.1 nicm 1165: tty_putc(tty, '_');
1166: return;
1167: }
1168:
1.147 nicm 1169: /* Write the data. */
1.193 nicm 1170: tty_putn(tty, gc->data.data, gc->data.size, gc->data.width);
1.1 nicm 1171: }
1172:
1173: void
1174: tty_reset(struct tty *tty)
1175: {
1176: struct grid_cell *gc = &tty->cell;
1177:
1178: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
1179: return;
1180:
1.90 nicm 1181: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1182: tty_putcode(tty, TTYC_RMACS);
1183: tty_putcode(tty, TTYC_SGR0);
1184: memcpy(gc, &grid_default_cell, sizeof *gc);
1185: }
1186:
1.40 nicm 1187: /* Set region inside pane. */
1.1 nicm 1188: void
1.196 nicm 1189: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1190: u_int rlower)
1.1 nicm 1191: {
1.113 nicm 1192: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1193: }
1194:
1.40 nicm 1195: /* Set region at absolute position. */
1.39 nicm 1196: void
1.40 nicm 1197: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1198: {
1199: if (tty->rlower == rlower && tty->rupper == rupper)
1200: return;
1.1 nicm 1201: if (!tty_term_has(tty->term, TTYC_CSR))
1202: return;
1.39 nicm 1203:
1204: tty->rupper = rupper;
1205: tty->rlower = rlower;
1.55 nicm 1206:
1207: /*
1208: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1209: * 0,0 if it is beyond the last column (they do not reset their wrap
1210: * flag so further output causes a line feed). As a workaround, do an
1211: * explicit move to 0 first.
1212: */
1213: if (tty->cx >= tty->sx)
1214: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1215:
1.39 nicm 1216: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1217: tty_cursor(tty, 0, 0);
1.1 nicm 1218: }
1219:
1.42 nicm 1220: /* Move cursor inside pane. */
1.1 nicm 1221: void
1.41 nicm 1222: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1223: {
1.113 nicm 1224: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1225: }
1226:
1.42 nicm 1227: /* Move cursor to absolute position. */
1.41 nicm 1228: void
1229: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1230: {
1.42 nicm 1231: struct tty_term *term = tty->term;
1232: u_int thisx, thisy;
1233: int change;
1.77 nicm 1234:
1.42 nicm 1235: if (cx > tty->sx - 1)
1236: cx = tty->sx - 1;
1237:
1238: thisx = tty->cx;
1239: thisy = tty->cy;
1240:
1241: /* No change. */
1242: if (cx == thisx && cy == thisy)
1243: return;
1244:
1.43 nicm 1245: /* Very end of the line, just use absolute movement. */
1246: if (thisx > tty->sx - 1)
1247: goto absolute;
1248:
1.42 nicm 1249: /* Move to home position (0, 0). */
1250: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1251: tty_putcode(tty, TTYC_HOME);
1252: goto out;
1253: }
1254:
1255: /* Zero on the next line. */
1.48 nicm 1256: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1257: tty_putc(tty, '\r');
1.42 nicm 1258: tty_putc(tty, '\n');
1259: goto out;
1260: }
1261:
1.45 nicm 1262: /* Moving column or row. */
1.42 nicm 1263: if (cy == thisy) {
1.45 nicm 1264: /*
1265: * Moving column only, row staying the same.
1266: */
1267:
1.42 nicm 1268: /* To left edge. */
1.202 nicm 1269: if (cx == 0) {
1.42 nicm 1270: tty_putc(tty, '\r');
1271: goto out;
1272: }
1273:
1274: /* One to the left. */
1275: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1276: tty_putcode(tty, TTYC_CUB1);
1277: goto out;
1278: }
1279:
1280: /* One to the right. */
1281: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1282: tty_putcode(tty, TTYC_CUF1);
1283: goto out;
1284: }
1285:
1286: /* Calculate difference. */
1287: change = thisx - cx; /* +ve left, -ve right */
1288:
1289: /*
1290: * Use HPA if change is larger than absolute, otherwise move
1291: * the cursor with CUB/CUF.
1292: */
1.87 nicm 1293: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1294: tty_putcode1(tty, TTYC_HPA, cx);
1295: goto out;
1296: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1.202 nicm 1297: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
1298: tty_putcode(tty, TTYC_CUB1);
1299: tty_putcode(tty, TTYC_CUB1);
1300: goto out;
1301: }
1.42 nicm 1302: tty_putcode1(tty, TTYC_CUB, change);
1303: goto out;
1304: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1305: tty_putcode1(tty, TTYC_CUF, -change);
1306: goto out;
1307: }
1.45 nicm 1308: } else if (cx == thisx) {
1309: /*
1310: * Moving row only, column staying the same.
1311: */
1.42 nicm 1312:
1313: /* One above. */
1.77 nicm 1314: if (thisy != tty->rupper &&
1.42 nicm 1315: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1316: tty_putcode(tty, TTYC_CUU1);
1317: goto out;
1318: }
1319:
1320: /* One below. */
1.49 nicm 1321: if (thisy != tty->rlower &&
1.42 nicm 1322: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1323: tty_putcode(tty, TTYC_CUD1);
1324: goto out;
1325: }
1326:
1327: /* Calculate difference. */
1328: change = thisy - cy; /* +ve up, -ve down */
1329:
1330: /*
1.77 nicm 1331: * Try to use VPA if change is larger than absolute or if this
1332: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1333: */
1.87 nicm 1334: if ((u_int) abs(change) > cy ||
1.42 nicm 1335: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1336: (change > 0 && cy - change < tty->rupper)) {
1337: if (tty_term_has(term, TTYC_VPA)) {
1338: tty_putcode1(tty, TTYC_VPA, cy);
1339: goto out;
1340: }
1.42 nicm 1341: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1342: tty_putcode1(tty, TTYC_CUU, change);
1343: goto out;
1344: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1345: tty_putcode1(tty, TTYC_CUD, -change);
1346: goto out;
1347: }
1348: }
1349:
1.43 nicm 1350: absolute:
1.42 nicm 1351: /* Absolute movement. */
1352: tty_putcode2(tty, TTYC_CUP, cy, cx);
1353:
1354: out:
1355: tty->cx = cx;
1356: tty->cy = cy;
1.1 nicm 1357: }
1358:
1359: void
1.176 nicm 1360: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1361: const struct window_pane *wp)
1.1 nicm 1362: {
1.63 nicm 1363: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1364: u_char changed;
1.61 nicm 1365:
1.85 nicm 1366: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 1367: if (wp != NULL)
1368: tty_default_colours(&gc2, wp);
1.63 nicm 1369:
1.18 nicm 1370: /*
1371: * If no setab, try to use the reverse attribute as a best-effort for a
1372: * non-default background. This is a bit of a hack but it doesn't do
1373: * any serious harm and makes a couple of applications happier.
1374: */
1375: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1376: if (gc2.attr & GRID_ATTR_REVERSE) {
1377: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1378: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1379: } else {
1.85 nicm 1380: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1381: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1382: }
1383: }
1.1 nicm 1384:
1.85 nicm 1385: /* Fix up the colours if necessary. */
1386: tty_check_fg(tty, &gc2);
1387: tty_check_bg(tty, &gc2);
1388:
1.64 nicm 1389: /* If any bits are being cleared, reset everything. */
1.85 nicm 1390: if (tc->attr & ~gc2.attr)
1.64 nicm 1391: tty_reset(tty);
1392:
1393: /*
1394: * Set the colours. This may call tty_reset() (so it comes next) and
1395: * may add to (NOT remove) the desired attributes by changing new_attr.
1396: */
1.85 nicm 1397: tty_colours(tty, &gc2);
1.64 nicm 1398:
1.1 nicm 1399: /* Filter out attribute bits already set. */
1.85 nicm 1400: changed = gc2.attr & ~tc->attr;
1401: tc->attr = gc2.attr;
1.1 nicm 1402:
1403: /* Set the attributes. */
1404: if (changed & GRID_ATTR_BRIGHT)
1405: tty_putcode(tty, TTYC_BOLD);
1406: if (changed & GRID_ATTR_DIM)
1407: tty_putcode(tty, TTYC_DIM);
1.180 nicm 1408: if (changed & GRID_ATTR_ITALICS)
1409: tty_set_italics(tty);
1.1 nicm 1410: if (changed & GRID_ATTR_UNDERSCORE)
1411: tty_putcode(tty, TTYC_SMUL);
1412: if (changed & GRID_ATTR_BLINK)
1413: tty_putcode(tty, TTYC_BLINK);
1414: if (changed & GRID_ATTR_REVERSE) {
1415: if (tty_term_has(tty->term, TTYC_REV))
1416: tty_putcode(tty, TTYC_REV);
1417: else if (tty_term_has(tty->term, TTYC_SMSO))
1418: tty_putcode(tty, TTYC_SMSO);
1419: }
1420: if (changed & GRID_ATTR_HIDDEN)
1421: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1422: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1423: tty_putcode(tty, TTYC_SMACS);
1424: }
1425:
1.61 nicm 1426: void
1.85 nicm 1427: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1428: {
1.61 nicm 1429: struct grid_cell *tc = &tty->cell;
1.204 ! nicm 1430: int have_ax;
1.61 nicm 1431:
1432: /* No changes? Nothing is necessary. */
1.204 ! nicm 1433: if (gc->fg == tc->fg && gc->bg == tc->bg)
1.63 nicm 1434: return;
1.1 nicm 1435:
1.61 nicm 1436: /*
1437: * Is either the default colour? This is handled specially because the
1438: * best solution might be to reset both colours to default, in which
1439: * case if only one is default need to fall onward to set the other
1440: * colour.
1441: */
1.204 ! nicm 1442: if (gc->fg == 8 || gc->bg == 8) {
1.61 nicm 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 {
1.204 ! nicm 1454: if (gc->fg == 8 && tc->fg != 8) {
1.61 nicm 1455: if (have_ax)
1456: tty_puts(tty, "\033[39m");
1.204 ! nicm 1457: else if (tc->fg != 7)
1.61 nicm 1458: tty_putcode1(tty, TTYC_SETAF, 7);
1459: tc->fg = 8;
1460: }
1.204 ! nicm 1461: if (gc->bg == 8 && tc->bg != 8) {
1.77 nicm 1462: if (have_ax)
1.61 nicm 1463: tty_puts(tty, "\033[49m");
1.204 ! nicm 1464: else if (tc->bg != 0)
1.61 nicm 1465: tty_putcode1(tty, TTYC_SETAB, 0);
1466: tc->bg = 8;
1467: }
1468: }
1469: }
1.1 nicm 1470:
1.61 nicm 1471: /* Set the foreground colour. */
1.204 ! nicm 1472: if (gc->fg != 8 && gc->fg != tc->fg)
1.85 nicm 1473: tty_colours_fg(tty, gc);
1.1 nicm 1474:
1.61 nicm 1475: /*
1476: * Set the background colour. This must come after the foreground as
1477: * tty_colour_fg() can call tty_reset().
1478: */
1.204 ! nicm 1479: if (gc->bg != 8 && gc->bg != tc->bg)
1.73 nicm 1480: tty_colours_bg(tty, gc);
1.1 nicm 1481: }
1482:
1483: void
1.85 nicm 1484: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1485: {
1.204 ! nicm 1486: u_char r, g, b;
! 1487: u_int colours;
1.85 nicm 1488:
1.199 nicm 1489: /* Is this a 24-bit colour? */
1.204 ! nicm 1490: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 1491: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1492: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 ! nicm 1493: colour_split_rgb(gc->fg, &r, &g, &b);
! 1494: gc->fg = colour_find_rgb(r, g, b);
! 1495: } else
1.200 nicm 1496: return;
1.199 nicm 1497: }
1.175 nicm 1498: colours = tty_term_number(tty->term, TTYC_COLORS);
1499:
1.85 nicm 1500: /* Is this a 256-colour colour? */
1.204 ! nicm 1501: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 1502: /* And not a 256 colour mode? */
1.158 nicm 1503: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1504: !(tty->term_flags & TERM_256COLOURS)) {
1505: gc->fg = colour_256to16(gc->fg);
1506: if (gc->fg & 8) {
1507: gc->fg &= 7;
1.175 nicm 1508: if (colours >= 16)
1509: gc->fg += 90;
1510: else
1511: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1512: } else
1513: gc->attr &= ~GRID_ATTR_BRIGHT;
1514: }
1515: return;
1516: }
1517:
1518: /* Is this an aixterm colour? */
1519: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1520: gc->fg -= 90;
1521: gc->attr |= GRID_ATTR_BRIGHT;
1522: }
1523: }
1524:
1525: void
1526: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1527: {
1.204 ! nicm 1528: u_char r, g, b;
! 1529: u_int colours;
1.85 nicm 1530:
1.199 nicm 1531: /* Is this a 24-bit colour? */
1.204 ! nicm 1532: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 1533: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1534: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 ! nicm 1535: colour_split_rgb(gc->bg, &r, &g, &b);
! 1536: gc->bg = colour_find_rgb(r, g, b);
! 1537: } else
1.200 nicm 1538: return;
1.199 nicm 1539: }
1.175 nicm 1540: colours = tty_term_number(tty->term, TTYC_COLORS);
1541:
1.85 nicm 1542: /* Is this a 256-colour colour? */
1.204 ! nicm 1543: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 1544: /*
1545: * And not a 256 colour mode? Translate to 16-colour
1546: * palette. Bold background doesn't exist portably, so just
1547: * discard the bold bit if set.
1548: */
1.158 nicm 1549: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1550: !(tty->term_flags & TERM_256COLOURS)) {
1551: gc->bg = colour_256to16(gc->bg);
1.175 nicm 1552: if (gc->bg & 8) {
1.85 nicm 1553: gc->bg &= 7;
1.175 nicm 1554: if (colours >= 16)
1555: gc->fg += 90;
1556: }
1.85 nicm 1557: }
1558: return;
1559: }
1560:
1561: /* Is this an aixterm colour? */
1.175 nicm 1562: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 1563: gc->bg -= 90;
1564: }
1565:
1566: void
1567: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1568: {
1.61 nicm 1569: struct grid_cell *tc = &tty->cell;
1.79 nicm 1570: char s[32];
1.1 nicm 1571:
1.204 ! nicm 1572: /* Is this a 24-bit or 256-colour colour? */
! 1573: if (gc->fg & COLOUR_FLAG_RGB ||
! 1574: gc->fg & COLOUR_FLAG_256) {
! 1575: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 1576: goto save_fg;
1.199 nicm 1577: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 1578: return;
1.1 nicm 1579: }
1580:
1.79 nicm 1581: /* Is this an aixterm bright colour? */
1.204 ! nicm 1582: if (gc->fg >= 90 && gc->fg <= 97) {
! 1583: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
1.85 nicm 1584: tty_puts(tty, s);
1585: goto save_fg;
1.79 nicm 1586: }
1587:
1.61 nicm 1588: /* Otherwise set the foreground colour. */
1.204 ! nicm 1589: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 1590:
1.77 nicm 1591: save_fg:
1.61 nicm 1592: /* Save the new values in the terminal current cell. */
1.204 ! nicm 1593: tc->fg = gc->fg;
1.1 nicm 1594: }
1595:
1596: void
1.73 nicm 1597: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1598: {
1.61 nicm 1599: struct grid_cell *tc = &tty->cell;
1.79 nicm 1600: char s[32];
1.1 nicm 1601:
1.204 ! nicm 1602: /* Is this a 24-bit or 256-colour colour? */
! 1603: if (gc->bg & COLOUR_FLAG_RGB ||
! 1604: gc->bg & COLOUR_FLAG_256) {
! 1605: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 1606: goto save_bg;
1.199 nicm 1607: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 1608: return;
1.79 nicm 1609: }
1610:
1611: /* Is this an aixterm bright colour? */
1.204 ! nicm 1612: if (gc->bg >= 90 && gc->bg <= 97) {
! 1613: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
1.175 nicm 1614: tty_puts(tty, s);
1615: goto save_bg;
1.1 nicm 1616: }
1617:
1.61 nicm 1618: /* Otherwise set the background colour. */
1.204 ! nicm 1619: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 1620:
1621: save_bg:
1622: /* Save the new values in the terminal current cell. */
1.204 ! nicm 1623: tc->bg = gc->bg;
1.61 nicm 1624: }
1625:
1626: int
1.204 ! nicm 1627: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 1628: {
1.204 ! nicm 1629: u_char r, g, b;
1.61 nicm 1630: char s[32];
1631:
1.204 ! nicm 1632: if (colour & COLOUR_FLAG_256) {
! 1633: /*
! 1634: * If the user has specified -2 to the client, setaf and setab
! 1635: * may not work (or they may not want to use them), so send the
! 1636: * usual sequence.
! 1637: */
! 1638: if (tty->term_flags & TERM_256COLOURS)
! 1639: goto fallback_256;
1.189 nicm 1640:
1.204 ! nicm 1641: /*
! 1642: * If the terminfo entry has 256 colours and setaf and setab
! 1643: * exist, assume that they work correctly.
! 1644: */
! 1645: if (tty->term->flags & TERM_256COLOURS) {
! 1646: if (*type == '3') {
! 1647: if (!tty_term_has(tty->term, TTYC_SETAF))
! 1648: goto fallback_256;
! 1649: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
! 1650: } else {
! 1651: if (!tty_term_has(tty->term, TTYC_SETAB))
! 1652: goto fallback_256;
! 1653: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
! 1654: }
! 1655: return (0);
1.188 nicm 1656: }
1.204 ! nicm 1657: goto fallback_256;
! 1658: }
! 1659:
! 1660: if (colour & COLOUR_FLAG_RGB) {
! 1661: if (!tty_term_flag(tty->term, TTYC_TC))
! 1662: return (-1);
! 1663:
! 1664: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
! 1665: xsnprintf(s, sizeof s, "\033[%s;2;%hhu;%hhu;%hhum", type,
! 1666: r, g, b);
! 1667: tty_puts(tty, s);
1.165 nicm 1668: return (0);
1669: }
1.61 nicm 1670:
1.165 nicm 1671: return (-1);
1.188 nicm 1672:
1.204 ! nicm 1673: fallback_256:
! 1674: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.188 nicm 1675: tty_puts(tty, s);
1676: return (0);
1.176 nicm 1677: }
1678:
1679: void
1680: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
1681: {
1.203 nicm 1682: struct window *w = wp->window;
1683: struct options *oo = w->options;
1684: const struct grid_cell *agc, *pgc, *wgc;
1685:
1686: if (w->flags & WINDOW_STYLECHANGED) {
1687: w->flags &= ~WINDOW_STYLECHANGED;
1688: agc = options_get_style(oo, "window-active-style");
1689: memcpy(&w->active_style, agc, sizeof w->active_style);
1690: wgc = options_get_style(oo, "window-style");
1691: memcpy(&w->style, wgc, sizeof w->style);
1692: } else {
1693: agc = &w->active_style;
1694: wgc = &w->style;
1695: }
1.176 nicm 1696: pgc = &wp->colgc;
1697:
1.204 ! nicm 1698: if (gc->fg == 8) {
! 1699: if (pgc->fg != 8)
1.176 nicm 1700: gc->fg = pgc->fg;
1.204 ! nicm 1701: else if (wp == w->active && agc->fg != 8)
1.176 nicm 1702: gc->fg = agc->fg;
1.204 ! nicm 1703: else
1.176 nicm 1704: gc->fg = wgc->fg;
1705: }
1706:
1.204 ! nicm 1707: if (gc->bg == 8) {
! 1708: if (pgc->bg != 8)
1.176 nicm 1709: gc->bg = pgc->bg;
1.204 ! nicm 1710: else if (wp == w->active && agc->bg != 8)
1.176 nicm 1711: gc->bg = agc->bg;
1.204 ! nicm 1712: else
1.176 nicm 1713: gc->bg = wgc->bg;
1714: }
1.1 nicm 1715: }
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