Annotation of src/usr.bin/tmux/tty.c, Revision 1.209
1.209 ! nicm 1: /* $OpenBSD: tty.c,v 1.208 2016/10/11 13:21:59 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:
1.207 nicm 34: static int tty_log_fd = -1;
1.192 nicm 35:
1.208 nicm 36: static void tty_init_termios(int, struct termios *, struct bufferevent *);
37:
1.207 nicm 38: static void tty_read_callback(struct bufferevent *, void *);
39: static void tty_error_callback(struct bufferevent *, short, void *);
1.66 nicm 40:
1.207 nicm 41: static int tty_client_ready(struct client *, struct window_pane *);
1.201 nicm 42:
1.207 nicm 43: static void tty_set_italics(struct tty *);
44: static int tty_try_colour(struct tty *, int, const char *);
1.208 nicm 45: static void tty_force_cursor_colour(struct tty *, const char *);
46: static void tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int,
47: u_int);
1.207 nicm 48:
49: static void tty_colours(struct tty *, const struct grid_cell *);
50: static void tty_check_fg(struct tty *, struct grid_cell *);
51: static void tty_check_bg(struct tty *, struct grid_cell *);
52: static void tty_colours_fg(struct tty *, const struct grid_cell *);
53: static void tty_colours_bg(struct tty *, const struct grid_cell *);
54:
1.208 nicm 55: static void tty_region_pane(struct tty *, const struct tty_ctx *, u_int,
56: u_int);
1.207 nicm 57: static int tty_large_region(struct tty *, const struct tty_ctx *);
58: static int tty_fake_bce(const struct tty *, const struct window_pane *);
59: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
60: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
61: enum tty_code_code, u_int);
62: static void tty_repeat_space(struct tty *, u_int);
63: static void tty_cell(struct tty *, const struct grid_cell *,
64: const struct window_pane *);
65: static void tty_default_colours(struct grid_cell *,
66: const struct window_pane *);
1.1 nicm 67:
1.90 nicm 68: #define tty_use_acs(tty) \
1.131 nicm 69: (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.90 nicm 70:
1.132 nicm 71: #define tty_pane_full_width(tty, ctx) \
72: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
73:
1.192 nicm 74: void
75: tty_create_log(void)
76: {
77: char name[64];
78:
79: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
80:
81: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
82: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
83: fatal("fcntl failed");
84: }
85:
1.185 nicm 86: int
1.136 nicm 87: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 88: {
1.30 nicm 89: char *path;
90:
1.185 nicm 91: if (!isatty(fd))
92: return (-1);
93:
1.30 nicm 94: memset(tty, 0, sizeof *tty);
1.22 nicm 95:
1.9 nicm 96: if (term == NULL || *term == '\0')
1.1 nicm 97: tty->termname = xstrdup("unknown");
98: else
99: tty->termname = xstrdup(term);
1.30 nicm 100: tty->fd = fd;
1.136 nicm 101: tty->client = c;
1.30 nicm 102:
103: if ((path = ttyname(fd)) == NULL)
1.185 nicm 104: return (-1);
1.30 nicm 105: tty->path = xstrdup(path);
1.108 nicm 106: tty->cstyle = 0;
1.107 nicm 107: tty->ccolour = xstrdup("");
1.30 nicm 108:
1.1 nicm 109: tty->flags = 0;
110: tty->term_flags = 0;
1.185 nicm 111:
112: return (0);
1.31 nicm 113: }
114:
1.88 nicm 115: int
1.31 nicm 116: tty_resize(struct tty *tty)
117: {
118: struct winsize ws;
1.88 nicm 119: u_int sx, sy;
1.31 nicm 120:
121: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 122: sx = ws.ws_col;
123: if (sx == 0)
124: sx = 80;
125: sy = ws.ws_row;
126: if (sy == 0)
127: sy = 24;
128: } else {
129: sx = 80;
130: sy = 24;
1.31 nicm 131: }
1.114 nicm 132: if (!tty_set_size(tty, sx, sy))
1.88 nicm 133: return (0);
1.31 nicm 134:
135: tty->cx = UINT_MAX;
136: tty->cy = UINT_MAX;
137:
138: tty->rupper = UINT_MAX;
139: tty->rlower = UINT_MAX;
1.88 nicm 140:
141: /*
142: * If the terminal has been started, reset the actual scroll region and
143: * cursor position, as this may not have happened.
144: */
145: if (tty->flags & TTY_STARTED) {
146: tty_cursor(tty, 0, 0);
147: tty_region(tty, 0, tty->sy - 1);
148: }
149:
1.114 nicm 150: return (1);
151: }
152:
153: int
154: tty_set_size(struct tty *tty, u_int sx, u_int sy) {
155: if (sx == tty->sx && sy == tty->sy)
156: return (0);
157: tty->sx = sx;
158: tty->sy = sy;
1.88 nicm 159: return (1);
1.1 nicm 160: }
161:
162: int
1.166 nicm 163: tty_open(struct tty *tty, char **cause)
1.1 nicm 164: {
1.166 nicm 165: tty->term = tty_term_find(tty->termname, tty->fd, cause);
1.21 nicm 166: if (tty->term == NULL) {
167: tty_close(tty);
168: return (-1);
169: }
170: tty->flags |= TTY_OPENED;
1.1 nicm 171:
1.149 nicm 172: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_TIMER);
1.1 nicm 173:
1.196 nicm 174: tty->event = bufferevent_new(tty->fd, tty_read_callback, NULL,
175: tty_error_callback, tty);
1.1 nicm 176:
177: tty_start_tty(tty);
178:
1.148 nicm 179: tty_keys_build(tty);
1.1 nicm 180:
181: return (0);
182: }
183:
1.207 nicm 184: static void
1.194 nicm 185: tty_read_callback(__unused struct bufferevent *bufev, void *data)
1.67 nicm 186: {
187: struct tty *tty = data;
188:
189: while (tty_keys_next(tty))
190: ;
191: }
192:
1.207 nicm 193: static void
1.194 nicm 194: tty_error_callback(__unused struct bufferevent *bufev, __unused short what,
195: __unused void *data)
1.66 nicm 196: {
197: }
198:
1.208 nicm 199: static void
1.127 nicm 200: tty_init_termios(int fd, struct termios *orig_tio, struct bufferevent *bufev)
1.1 nicm 201: {
1.128 nicm 202: struct termios tio;
1.33 nicm 203:
1.127 nicm 204: if (fd == -1 || tcgetattr(fd, orig_tio) != 0)
1.33 nicm 205: return;
1.1 nicm 206:
1.127 nicm 207: setblocking(fd, 0);
1.34 nicm 208:
1.127 nicm 209: if (bufev != NULL)
210: bufferevent_enable(bufev, EV_READ|EV_WRITE);
1.66 nicm 211:
1.127 nicm 212: memcpy(&tio, orig_tio, sizeof tio);
1.1 nicm 213: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
214: tio.c_iflag |= IGNBRK;
215: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
216: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
1.169 jsg 217: ECHOPRT|ECHOKE|ISIG);
1.1 nicm 218: tio.c_cc[VMIN] = 1;
1.60 deraadt 219: tio.c_cc[VTIME] = 0;
1.127 nicm 220: if (tcsetattr(fd, TCSANOW, &tio) == 0)
221: tcflush(fd, TCIOFLUSH);
222: }
223:
224: void
225: tty_start_tty(struct tty *tty)
226: {
227: tty_init_termios(tty->fd, &tty->tio, tty->event);
1.1 nicm 228:
1.10 nicm 229: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 230:
1.25 nicm 231: tty_putcode(tty, TTYC_SGR0);
232: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
233:
1.76 nicm 234: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 235: if (tty_use_acs(tty))
236: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 237: tty_putcode(tty, TTYC_CLEAR);
238:
239: tty_putcode(tty, TTYC_CNORM);
240: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 241: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.121 nicm 242:
1.189 nicm 243: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 244: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 245: tty->flags |= TTY_FOCUS;
246: tty_puts(tty, "\033[?1004h");
247: }
248: }
1.1 nicm 249:
250: tty->cx = UINT_MAX;
251: tty->cy = UINT_MAX;
252:
253: tty->rlower = UINT_MAX;
254: tty->rupper = UINT_MAX;
255:
256: tty->mode = MODE_CURSOR;
1.20 nicm 257:
258: tty->flags |= TTY_STARTED;
1.107 nicm 259:
260: tty_force_cursor_colour(tty, "");
1.177 nicm 261:
262: tty->mouse_drag_flag = 0;
263: tty->mouse_drag_update = NULL;
264: tty->mouse_drag_release = NULL;
1.128 nicm 265: }
266:
267: void
1.1 nicm 268: tty_stop_tty(struct tty *tty)
269: {
270: struct winsize ws;
271:
1.20 nicm 272: if (!(tty->flags & TTY_STARTED))
273: return;
274: tty->flags &= ~TTY_STARTED;
275:
1.66 nicm 276: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
277:
1.1 nicm 278: /*
279: * Be flexible about error handling and try not kill the server just
280: * because the fd is invalid. Things like ssh -t can easily leave us
281: * with a dead tty.
282: */
283: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
284: return;
285: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
286: return;
287:
288: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 289: if (tty_use_acs(tty))
290: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 291: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
292: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
293: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 294: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
295: if (tty_term_has(tty->term, TTYC_SE))
296: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 297: else
1.160 nicm 298: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 299: }
1.173 nicm 300: if (tty->mode & MODE_BRACKETPASTE)
301: tty_raw(tty, "\033[?2004l");
1.107 nicm 302: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 303:
304: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
305: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 306: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.151 nicm 307:
1.189 nicm 308: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 309: if (tty->flags & TTY_FOCUS) {
310: tty->flags &= ~TTY_FOCUS;
1.172 nicm 311: tty_raw(tty, "\033[?1004l");
1.162 nicm 312: }
313: }
1.10 nicm 314:
315: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 316:
317: setblocking(tty->fd, 1);
1.1 nicm 318: }
319:
320: void
1.20 nicm 321: tty_close(struct tty *tty)
1.1 nicm 322: {
1.123 nicm 323: if (event_initialized(&tty->key_timer))
324: evtimer_del(&tty->key_timer);
1.20 nicm 325: tty_stop_tty(tty);
1.1 nicm 326:
1.21 nicm 327: if (tty->flags & TTY_OPENED) {
1.66 nicm 328: bufferevent_free(tty->event);
329:
1.21 nicm 330: tty_term_free(tty->term);
331: tty_keys_free(tty);
332:
333: tty->flags &= ~TTY_OPENED;
334: }
1.1 nicm 335:
1.21 nicm 336: if (tty->fd != -1) {
337: close(tty->fd);
338: tty->fd = -1;
339: }
1.1 nicm 340: }
341:
342: void
1.20 nicm 343: tty_free(struct tty *tty)
1.1 nicm 344: {
1.20 nicm 345: tty_close(tty);
1.1 nicm 346:
1.138 nicm 347: free(tty->ccolour);
1.190 nicm 348: free(tty->path);
349: free(tty->termname);
1.1 nicm 350: }
351:
352: void
353: tty_raw(struct tty *tty, const char *s)
354: {
1.150 nicm 355: ssize_t n, slen;
356: u_int i;
357:
358: slen = strlen(s);
359: for (i = 0; i < 5; i++) {
360: n = write(tty->fd, s, slen);
361: if (n >= 0) {
362: s += n;
363: slen -= n;
364: if (slen == 0)
365: break;
366: } else if (n == -1 && errno != EAGAIN)
367: break;
368: usleep(100);
369: }
1.1 nicm 370: }
371:
372: void
373: tty_putcode(struct tty *tty, enum tty_code_code code)
374: {
375: tty_puts(tty, tty_term_string(tty->term, code));
376: }
377:
378: void
379: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
380: {
381: if (a < 0)
382: return;
383: tty_puts(tty, tty_term_string1(tty->term, code, a));
384: }
385:
386: void
387: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
388: {
389: if (a < 0 || b < 0)
390: return;
391: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
392: }
393:
394: void
1.107 nicm 395: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
396: {
397: if (a != NULL)
398: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
399: }
400:
401: void
1.167 nicm 402: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
403: const void *b)
1.106 nicm 404: {
405: if (a != NULL && b != NULL)
406: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
407: }
408:
409: void
1.1 nicm 410: tty_puts(struct tty *tty, const char *s)
411: {
412: if (*s == '\0')
413: return;
1.66 nicm 414: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 415:
1.192 nicm 416: if (tty_log_fd != -1)
417: write(tty_log_fd, s, strlen(s));
1.1 nicm 418: }
419:
420: void
421: tty_putc(struct tty *tty, u_char ch)
422: {
1.90 nicm 423: const char *acs;
424: u_int sx;
1.1 nicm 425:
1.90 nicm 426: if (tty->cell.attr & GRID_ATTR_CHARSET) {
427: acs = tty_acs_get(tty, ch);
428: if (acs != NULL)
429: bufferevent_write(tty->event, acs, strlen(acs));
430: else
431: bufferevent_write(tty->event, &ch, 1);
432: } else
433: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 434:
435: if (ch >= 0x20 && ch != 0x7f) {
436: sx = tty->sx;
437: if (tty->term->flags & TERM_EARLYWRAP)
438: sx--;
439:
1.46 nicm 440: if (tty->cx >= sx) {
441: tty->cx = 1;
442: if (tty->cy != tty->rlower)
443: tty->cy++;
1.1 nicm 444: } else
445: tty->cx++;
446: }
447:
1.192 nicm 448: if (tty_log_fd != -1)
449: write(tty_log_fd, &ch, 1);
1.1 nicm 450: }
451:
452: void
1.147 nicm 453: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 454: {
1.147 nicm 455: bufferevent_write(tty->event, buf, len);
1.192 nicm 456: if (tty_log_fd != -1)
457: write(tty_log_fd, buf, len);
1.147 nicm 458: tty->cx += width;
1.5 nicm 459: }
460:
1.207 nicm 461: static void
1.180 nicm 462: tty_set_italics(struct tty *tty)
463: {
464: const char *s;
465:
466: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 467: s = options_get_string(global_options, "default-terminal");
1.180 nicm 468: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
469: tty_putcode(tty, TTYC_SITM);
470: return;
471: }
472: }
473: tty_putcode(tty, TTYC_SMSO);
474: }
475:
476: void
1.1 nicm 477: tty_set_title(struct tty *tty, const char *title)
478: {
1.105 nicm 479: if (!tty_term_has(tty->term, TTYC_TSL) ||
480: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 481: return;
482:
1.105 nicm 483: tty_putcode(tty, TTYC_TSL);
1.1 nicm 484: tty_puts(tty, title);
1.105 nicm 485: tty_putcode(tty, TTYC_FSL);
1.1 nicm 486: }
487:
1.208 nicm 488: static void
1.107 nicm 489: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
490: {
491: if (*ccolour == '\0')
492: tty_putcode(tty, TTYC_CR);
493: else
1.160 nicm 494: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 495: free(tty->ccolour);
1.107 nicm 496: tty->ccolour = xstrdup(ccolour);
497: }
498:
499: void
500: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 501: {
502: int changed;
503:
1.197 nicm 504: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 505: tty_force_cursor_colour(tty, s->ccolour);
506:
1.1 nicm 507: if (tty->flags & TTY_NOCURSOR)
508: mode &= ~MODE_CURSOR;
509:
510: changed = mode ^ tty->mode;
1.183 nicm 511: if (changed & MODE_BLINKING) {
512: if (tty_term_has(tty->term, TTYC_CVVIS))
513: tty_putcode(tty, TTYC_CVVIS);
514: else
515: tty_putcode(tty, TTYC_CNORM);
516: changed |= MODE_CURSOR;
517: }
518: if (changed & MODE_CURSOR) {
519: if (mode & MODE_CURSOR)
520: tty_putcode(tty, TTYC_CNORM);
521: else
1.1 nicm 522: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 523: }
1.181 nicm 524: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 525: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 526: if (s->cstyle == 0 &&
1.160 nicm 527: tty_term_has(tty->term, TTYC_SE))
528: tty_putcode(tty, TTYC_SE);
1.108 nicm 529: else
1.160 nicm 530: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 531: }
532: tty->cstyle = s->cstyle;
1.1 nicm 533: }
1.195 nicm 534: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 535: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 536: /*
537: * Enable the SGR (1006) extension unconditionally, as
538: * this is safe from misinterpretation. Do it in this
539: * order, because in some terminals it's the last one
540: * that takes effect and SGR is the preferred one.
541: */
542: tty_puts(tty, "\033[?1006h");
1.170 nicm 543: if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 544: tty_puts(tty, "\033[?1002h");
1.98 nicm 545: else if (mode & MODE_MOUSE_STANDARD)
546: tty_puts(tty, "\033[?1000h");
1.86 nicm 547: } else {
1.170 nicm 548: if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 549: tty_puts(tty, "\033[?1002l");
1.98 nicm 550: else if (tty->mode & MODE_MOUSE_STANDARD)
551: tty_puts(tty, "\033[?1000l");
1.153 nicm 552: tty_puts(tty, "\033[?1006l");
1.86 nicm 553: }
1.76 nicm 554: }
555: if (changed & MODE_KKEYPAD) {
556: if (mode & MODE_KKEYPAD)
557: tty_putcode(tty, TTYC_SMKX);
558: else
559: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 560: }
561: if (changed & MODE_BRACKETPASTE) {
562: if (mode & MODE_BRACKETPASTE)
563: tty_puts(tty, "\033[?2004h");
564: else
565: tty_puts(tty, "\033[?2004l");
1.1 nicm 566: }
567: tty->mode = mode;
568: }
569:
1.207 nicm 570: static void
1.168 nicm 571: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
572: enum tty_code_code code1, u_int n)
1.1 nicm 573: {
574: if (tty_term_has(tty->term, code))
575: tty_putcode1(tty, code, n);
576: else {
577: while (n-- > 0)
578: tty_putcode(tty, code1);
579: }
580: }
581:
1.207 nicm 582: static void
1.133 nicm 583: tty_repeat_space(struct tty *tty, u_int n)
584: {
585: while (n-- > 0)
586: tty_putc(tty, ' ');
587: }
588:
1.1 nicm 589: /*
1.119 nicm 590: * Is the region large enough to be worth redrawing once later rather than
591: * probably several times now? Currently yes if it is more than 50% of the
592: * pane.
593: */
1.207 nicm 594: static int
1.194 nicm 595: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 596: {
597: struct window_pane *wp = ctx->wp;
598:
599: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
600: }
601:
602: /*
1.176 nicm 603: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
604: * emulated.
605: */
1.207 nicm 606: static int
1.176 nicm 607: tty_fake_bce(const struct tty *tty, const struct window_pane *wp)
608: {
609: struct grid_cell gc;
610:
611: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 612: if (wp != NULL)
613: tty_default_colours(&gc, wp);
1.176 nicm 614:
1.204 nicm 615: if (gc.bg == 8)
1.176 nicm 616: return (0);
617: return (!tty_term_flag(tty->term, TTYC_BCE));
618: }
619:
620: /*
1.1 nicm 621: * Redraw scroll region using data from screen (already updated). Used when
622: * CSR not supported, or window is a pane that doesn't take up the full
623: * width of the terminal.
624: */
1.207 nicm 625: static void
1.24 nicm 626: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 627: {
1.14 nicm 628: struct window_pane *wp = ctx->wp;
629: struct screen *s = wp->screen;
1.204 nicm 630: u_int i;
1.1 nicm 631:
632: /*
1.119 nicm 633: * If region is large, schedule a window redraw. In most cases this is
634: * likely to be followed by some more scrolling.
1.1 nicm 635: */
1.119 nicm 636: if (tty_large_region(tty, ctx)) {
1.1 nicm 637: wp->flags |= PANE_REDRAW;
638: return;
639: }
640:
1.14 nicm 641: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
642: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176 nicm 643: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 644: } else {
1.14 nicm 645: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176 nicm 646: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 647: }
648: }
649:
650: void
1.176 nicm 651: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
652: u_int oy)
653: {
654: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
655: }
656:
657: void
658: tty_draw_line(struct tty *tty, const struct window_pane *wp,
659: struct screen *s, u_int py, u_int ox, u_int oy)
1.1 nicm 660: {
1.209 ! nicm 661: struct grid_cell gc, tmp_gc;
1.46 nicm 662: struct grid_line *gl;
1.1 nicm 663: u_int i, sx;
1.181 nicm 664: int flags;
1.1 nicm 665:
1.181 nicm 666: flags = tty->flags & TTY_NOCURSOR;
667: tty->flags |= TTY_NOCURSOR;
668: tty_update_mode(tty, tty->mode, s);
1.35 nicm 669:
1.1 nicm 670: sx = screen_size_x(s);
1.19 nicm 671: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
672: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 673: if (sx > tty->sx)
674: sx = tty->sx;
675:
1.46 nicm 676: /*
1.174 nicm 677: * Don't move the cursor to the start position if it will wrap there
1.50 nicm 678: * itself.
1.46 nicm 679: */
680: gl = NULL;
681: if (py != 0)
682: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 683: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 684: tty->cx < tty->sx || ox != 0 ||
685: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 686: tty_cursor(tty, ox, oy + py);
687:
1.1 nicm 688: for (i = 0; i < sx; i++) {
1.193 nicm 689: grid_view_get_cell(s->grid, i, py, &gc);
1.209 ! nicm 690: if (gc.flags & GRID_FLAG_SELECTED) {
! 691: screen_select_cell(s, &tmp_gc, &gc);
! 692: tty_cell(tty, &tmp_gc, wp);
! 693: } else
! 694: tty_cell(tty, &gc, wp);
1.1 nicm 695: }
696:
1.181 nicm 697: if (sx < tty->sx) {
698: tty_attributes(tty, &grid_default_cell, wp);
699:
700: tty_cursor(tty, ox + sx, oy + py);
701: if (sx != screen_size_x(s) &&
702: ox + screen_size_x(s) >= tty->sx &&
703: tty_term_has(tty->term, TTYC_EL) &&
704: !tty_fake_bce(tty, wp))
705: tty_putcode(tty, TTYC_EL);
706: else
707: tty_repeat_space(tty, screen_size_x(s) - sx);
1.35 nicm 708: }
1.1 nicm 709:
1.181 nicm 710: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 711: tty_update_mode(tty, tty->mode, s);
1.15 nicm 712: }
713:
1.201 nicm 714: static int
1.182 nicm 715: tty_client_ready(struct client *c, struct window_pane *wp)
716: {
717: if (c->session == NULL || c->tty.term == NULL)
718: return (0);
719: if (c->flags & CLIENT_SUSPENDED)
720: return (0);
721: if (c->tty.flags & TTY_FREEZE)
722: return (0);
723: if (c->session->curw->window != wp->window)
724: return (0);
725: return (1);
726: }
727:
1.15 nicm 728: void
1.182 nicm 729: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
730: struct tty_ctx *ctx)
1.15 nicm 731: {
732: struct window_pane *wp = ctx->wp;
733: struct client *c;
734:
1.75 nicm 735: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 736: if (wp == NULL)
737: return;
738:
739: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
740: return;
1.129 nicm 741: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 742: return;
743:
1.178 nicm 744: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 745: if (!tty_client_ready(c, wp))
1.15 nicm 746: continue;
747:
1.139 nicm 748: ctx->xoff = wp->xoff;
749: ctx->yoff = wp->yoff;
750: if (status_at_line(c) == 0)
751: ctx->yoff++;
1.113 nicm 752:
1.139 nicm 753: cmdfn(&c->tty, ctx);
1.1 nicm 754: }
755: }
756:
757: void
1.24 nicm 758: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 759: {
1.77 nicm 760: struct window_pane *wp = ctx->wp;
1.1 nicm 761:
1.206 nicm 762: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, wp) ||
763: (!tty_term_has(tty->term, TTYC_DCH) &&
764: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 765: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 766: return;
767: }
768:
1.176 nicm 769: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 770:
1.77 nicm 771: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 772:
1.206 nicm 773: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 774: }
775:
776: void
1.24 nicm 777: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 778: {
1.77 nicm 779: struct window_pane *wp = ctx->wp;
1.1 nicm 780:
1.176 nicm 781: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, wp) ||
1.26 nicm 782: (!tty_term_has(tty->term, TTYC_DCH) &&
783: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 784: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 785: return;
786: }
787:
1.176 nicm 788: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 789:
1.77 nicm 790: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 791:
1.206 nicm 792: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 793: }
794:
795: void
796: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
797: {
798: u_int i;
799:
1.176 nicm 800: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.146 nicm 801:
802: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
803:
1.176 nicm 804: if (tty_term_has(tty->term, TTYC_ECH) && !tty_fake_bce(tty, ctx->wp))
1.146 nicm 805: tty_putcode1(tty, TTYC_ECH, ctx->num);
806: else {
807: for (i = 0; i < ctx->num; i++)
808: tty_putc(tty, ' ');
809: }
1.1 nicm 810: }
811:
812: void
1.24 nicm 813: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 814: {
1.176 nicm 815: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.77 nicm 816: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 817: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 818: tty_redraw_region(tty, ctx);
1.1 nicm 819: return;
820: }
821:
1.176 nicm 822: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 823:
1.77 nicm 824: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
825: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 826:
1.12 nicm 827: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 828: }
829:
830: void
1.24 nicm 831: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 832: {
1.176 nicm 833: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.72 nicm 834: !tty_term_has(tty->term, TTYC_CSR) ||
835: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 836: tty_redraw_region(tty, ctx);
1.1 nicm 837: return;
838: }
839:
1.176 nicm 840: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 841:
1.77 nicm 842: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
843: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 844:
1.12 nicm 845: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 846: }
847:
848: void
1.24 nicm 849: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 850: {
1.77 nicm 851: struct window_pane *wp = ctx->wp;
1.12 nicm 852: struct screen *s = wp->screen;
1.1 nicm 853:
1.176 nicm 854: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 855:
1.77 nicm 856: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 857:
1.176 nicm 858: if (tty_pane_full_width(tty, ctx) && !tty_fake_bce(tty, wp) &&
859: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 860: tty_putcode(tty, TTYC_EL);
1.133 nicm 861: else
862: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 863: }
864:
865: void
1.24 nicm 866: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 867: {
1.77 nicm 868: struct window_pane *wp = ctx->wp;
1.12 nicm 869: struct screen *s = wp->screen;
1.1 nicm 870:
1.176 nicm 871: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 872:
1.41 nicm 873: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
874:
1.176 nicm 875: if (tty_pane_full_width(tty, ctx) &&
876: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp))
1.1 nicm 877: tty_putcode(tty, TTYC_EL);
1.133 nicm 878: else
879: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.1 nicm 880: }
881:
882: void
1.24 nicm 883: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 884: {
1.176 nicm 885: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 886:
1.176 nicm 887: if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1) &&
888: !tty_fake_bce(tty, ctx->wp)) {
1.41 nicm 889: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 890: tty_putcode(tty, TTYC_EL1);
891: } else {
1.41 nicm 892: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 893: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 894: }
895: }
896:
897: void
1.24 nicm 898: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 899: {
1.56 nicm 900: if (ctx->ocy != ctx->orupper)
901: return;
902:
1.176 nicm 903: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.70 nicm 904: !tty_term_has(tty->term, TTYC_CSR) ||
905: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 906: tty_redraw_region(tty, ctx);
1.1 nicm 907: return;
908: }
909:
1.176 nicm 910: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.77 nicm 911:
1.56 nicm 912: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
913: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 914:
1.56 nicm 915: tty_putcode(tty, TTYC_RI);
1.1 nicm 916: }
917:
918: void
1.24 nicm 919: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 920: {
1.77 nicm 921: struct window_pane *wp = ctx->wp;
1.1 nicm 922:
1.56 nicm 923: if (ctx->ocy != ctx->orlower)
924: return;
925:
1.176 nicm 926: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, wp) ||
1.1 nicm 927: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 928: if (tty_large_region(tty, ctx))
929: wp->flags |= PANE_REDRAW;
1.140 nicm 930: else
1.128 nicm 931: tty_redraw_region(tty, ctx);
1.1 nicm 932: return;
933: }
1.52 nicm 934:
935: /*
936: * If this line wrapped naturally (ctx->num is nonzero), don't do
937: * anything - the cursor can just be moved to the last cell and wrap
938: * naturally.
939: */
940: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
941: return;
1.1 nicm 942:
1.176 nicm 943: tty_attributes(tty, &grid_default_cell, wp);
1.77 nicm 944:
1.56 nicm 945: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
946: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 947:
1.56 nicm 948: tty_putc(tty, '\n');
1.1 nicm 949: }
950:
951: void
1.24 nicm 952: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 953: {
1.77 nicm 954: struct window_pane *wp = ctx->wp;
1.12 nicm 955: struct screen *s = wp->screen;
1.204 nicm 956: u_int i, j;
1.1 nicm 957:
1.176 nicm 958: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 959:
1.39 nicm 960: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 961: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 962:
1.176 nicm 963: if (tty_pane_full_width(tty, ctx) &&
964: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.1 nicm 965: tty_putcode(tty, TTYC_EL);
1.14 nicm 966: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 967: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 968: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 969: tty_putcode(tty, TTYC_EL);
970: if (i == screen_size_y(s) - 1)
971: continue;
972: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
973: tty->cy++;
974: }
975: }
976: } else {
1.133 nicm 977: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.68 nicm 978: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 979: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 980: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 981: }
982: }
983: }
984:
985: void
1.24 nicm 986: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 987: {
1.77 nicm 988: struct window_pane *wp = ctx->wp;
1.12 nicm 989: struct screen *s = wp->screen;
1.204 nicm 990: u_int i, j;
1.1 nicm 991:
1.176 nicm 992: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 993:
1.39 nicm 994: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 995: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 996:
1.176 nicm 997: if (tty_pane_full_width(tty, ctx) &&
998: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.14 nicm 999: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 1000: tty_putcode(tty, TTYC_EL);
1001: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1002: tty->cy++;
1003: }
1004: } else {
1.14 nicm 1005: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 1006: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1007: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1008: }
1009: }
1.133 nicm 1010: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 1011: }
1012:
1013: void
1.24 nicm 1014: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1015: {
1.77 nicm 1016: struct window_pane *wp = ctx->wp;
1.12 nicm 1017: struct screen *s = wp->screen;
1.204 nicm 1018: u_int i, j;
1.1 nicm 1019:
1.176 nicm 1020: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 1021:
1.39 nicm 1022: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 1023: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 1024:
1.176 nicm 1025: if (tty_pane_full_width(tty, ctx) &&
1026: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.1 nicm 1027: for (i = 0; i < screen_size_y(s); i++) {
1028: tty_putcode(tty, TTYC_EL);
1029: if (i != screen_size_y(s) - 1) {
1030: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1031: tty->cy++;
1032: }
1033: }
1034: } else {
1035: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1036: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1037: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1038: }
1.4 nicm 1039: }
1040: }
1041:
1042: void
1.24 nicm 1043: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1044: {
1.12 nicm 1045: struct window_pane *wp = ctx->wp;
1046: struct screen *s = wp->screen;
1047: u_int i, j;
1.4 nicm 1048:
1.176 nicm 1049: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1050:
1.39 nicm 1051: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 1052:
1053: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1054: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1055: for (i = 0; i < screen_size_x(s); i++)
1056: tty_putc(tty, 'E');
1.1 nicm 1057: }
1058: }
1059:
1060: void
1.24 nicm 1061: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1062: {
1.46 nicm 1063: struct window_pane *wp = ctx->wp;
1064: struct screen *s = wp->screen;
1.203 nicm 1065: u_int cx, width;
1.46 nicm 1066:
1.203 nicm 1067: if (ctx->ocy == ctx->orlower)
1068: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1069:
1.57 nicm 1070: /* Is the cursor in the very last position? */
1.193 nicm 1071: width = ctx->cell->data.width;
1.102 nicm 1072: if (ctx->ocx > wp->sx - width) {
1.113 nicm 1073: if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57 nicm 1074: /*
1075: * The pane doesn't fill the entire line, the linefeed
1076: * will already have happened, so just move the cursor.
1077: */
1.125 nicm 1078: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 1079: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1080: else
1081: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.57 nicm 1082: } else if (tty->cx < tty->sx) {
1083: /*
1084: * The cursor isn't in the last position already, so
1.102 nicm 1085: * move as far left as possible and redraw the last
1.57 nicm 1086: * cell to move into the last position.
1087: */
1.193 nicm 1088: cx = screen_size_x(s) - ctx->last_cell.data.width;
1.50 nicm 1089: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1.176 nicm 1090: tty_cell(tty, &ctx->last_cell, wp);
1.50 nicm 1091: }
1092: } else
1.46 nicm 1093: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1094:
1.176 nicm 1095: tty_cell(tty, ctx->cell, wp);
1.1 nicm 1096: }
1097:
1098: void
1.24 nicm 1099: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1100: {
1.53 nicm 1101: struct window_pane *wp = ctx->wp;
1.1 nicm 1102:
1.53 nicm 1103: /*
1104: * Cannot rely on not being a partial character, so just redraw the
1105: * whole line.
1106: */
1.176 nicm 1107: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1108: }
1109:
1110: void
1111: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1112: {
1113: char *buf;
1114: size_t off;
1115:
1116: if (!tty_term_has(tty->term, TTYC_MS))
1117: return;
1118:
1119: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1120: buf = xmalloc(off);
1121:
1122: b64_ntop(ctx->ptr, ctx->num, buf, off);
1123: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1124:
1.138 nicm 1125: free(buf);
1.100 nicm 1126: }
1127:
1128: void
1129: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1130: {
1131: u_int i;
1132: u_char *str = ctx->ptr;
1133:
1134: for (i = 0; i < ctx->num; i++)
1135: tty_putc(tty, str[i]);
1.141 nicm 1136:
1137: tty->cx = tty->cy = UINT_MAX;
1138: tty->rupper = tty->rlower = UINT_MAX;
1139:
1.176 nicm 1140: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.141 nicm 1141: tty_cursor(tty, 0, 0);
1.1 nicm 1142: }
1143:
1.207 nicm 1144: static void
1.176 nicm 1145: tty_cell(struct tty *tty, const struct grid_cell *gc,
1146: const struct window_pane *wp)
1.1 nicm 1147: {
1.193 nicm 1148: u_int i;
1.1 nicm 1149:
1150: /* Skip last character if terminal is stupid. */
1151: if (tty->term->flags & TERM_EARLYWRAP &&
1152: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
1153: return;
1154:
1155: /* If this is a padding character, do nothing. */
1156: if (gc->flags & GRID_FLAG_PADDING)
1157: return;
1158:
1159: /* Set the attributes. */
1.176 nicm 1160: tty_attributes(tty, gc, wp);
1.1 nicm 1161:
1.147 nicm 1162: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.193 nicm 1163: if (gc->data.size == 1) {
1164: if (*gc->data.data < 0x20 || *gc->data.data == 0x7f)
1.1 nicm 1165: return;
1.193 nicm 1166: tty_putc(tty, *gc->data.data);
1.1 nicm 1167: return;
1168: }
1169:
1.147 nicm 1170: /* If not UTF-8, write _. */
1.1 nicm 1171: if (!(tty->flags & TTY_UTF8)) {
1.193 nicm 1172: for (i = 0; i < gc->data.width; i++)
1.1 nicm 1173: tty_putc(tty, '_');
1174: return;
1175: }
1176:
1.147 nicm 1177: /* Write the data. */
1.193 nicm 1178: tty_putn(tty, gc->data.data, gc->data.size, gc->data.width);
1.1 nicm 1179: }
1180:
1181: void
1182: tty_reset(struct tty *tty)
1183: {
1184: struct grid_cell *gc = &tty->cell;
1185:
1.205 nicm 1186: if (grid_cells_equal(gc, &grid_default_cell))
1.1 nicm 1187: return;
1188:
1.90 nicm 1189: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1190: tty_putcode(tty, TTYC_RMACS);
1191: tty_putcode(tty, TTYC_SGR0);
1192: memcpy(gc, &grid_default_cell, sizeof *gc);
1193: }
1194:
1.40 nicm 1195: /* Set region inside pane. */
1.208 nicm 1196: static void
1.196 nicm 1197: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1198: u_int rlower)
1.1 nicm 1199: {
1.113 nicm 1200: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1201: }
1202:
1.40 nicm 1203: /* Set region at absolute position. */
1.39 nicm 1204: void
1.40 nicm 1205: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1206: {
1207: if (tty->rlower == rlower && tty->rupper == rupper)
1208: return;
1.1 nicm 1209: if (!tty_term_has(tty->term, TTYC_CSR))
1210: return;
1.39 nicm 1211:
1212: tty->rupper = rupper;
1213: tty->rlower = rlower;
1.55 nicm 1214:
1215: /*
1216: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1217: * 0,0 if it is beyond the last column (they do not reset their wrap
1218: * flag so further output causes a line feed). As a workaround, do an
1219: * explicit move to 0 first.
1220: */
1221: if (tty->cx >= tty->sx)
1222: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1223:
1.39 nicm 1224: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1225: tty_cursor(tty, 0, 0);
1.1 nicm 1226: }
1227:
1.42 nicm 1228: /* Move cursor inside pane. */
1.208 nicm 1229: static void
1.41 nicm 1230: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1231: {
1.113 nicm 1232: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1233: }
1234:
1.42 nicm 1235: /* Move cursor to absolute position. */
1.41 nicm 1236: void
1237: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1238: {
1.42 nicm 1239: struct tty_term *term = tty->term;
1240: u_int thisx, thisy;
1241: int change;
1.77 nicm 1242:
1.42 nicm 1243: if (cx > tty->sx - 1)
1244: cx = tty->sx - 1;
1245:
1246: thisx = tty->cx;
1247: thisy = tty->cy;
1248:
1249: /* No change. */
1250: if (cx == thisx && cy == thisy)
1251: return;
1252:
1.43 nicm 1253: /* Very end of the line, just use absolute movement. */
1254: if (thisx > tty->sx - 1)
1255: goto absolute;
1256:
1.42 nicm 1257: /* Move to home position (0, 0). */
1258: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1259: tty_putcode(tty, TTYC_HOME);
1260: goto out;
1261: }
1262:
1263: /* Zero on the next line. */
1.48 nicm 1264: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1265: tty_putc(tty, '\r');
1.42 nicm 1266: tty_putc(tty, '\n');
1267: goto out;
1268: }
1269:
1.45 nicm 1270: /* Moving column or row. */
1.42 nicm 1271: if (cy == thisy) {
1.45 nicm 1272: /*
1273: * Moving column only, row staying the same.
1274: */
1275:
1.42 nicm 1276: /* To left edge. */
1.202 nicm 1277: if (cx == 0) {
1.42 nicm 1278: tty_putc(tty, '\r');
1279: goto out;
1280: }
1281:
1282: /* One to the left. */
1283: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1284: tty_putcode(tty, TTYC_CUB1);
1285: goto out;
1286: }
1287:
1288: /* One to the right. */
1289: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1290: tty_putcode(tty, TTYC_CUF1);
1291: goto out;
1292: }
1293:
1294: /* Calculate difference. */
1295: change = thisx - cx; /* +ve left, -ve right */
1296:
1297: /*
1298: * Use HPA if change is larger than absolute, otherwise move
1299: * the cursor with CUB/CUF.
1300: */
1.87 nicm 1301: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1302: tty_putcode1(tty, TTYC_HPA, cx);
1303: goto out;
1304: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1.202 nicm 1305: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
1306: tty_putcode(tty, TTYC_CUB1);
1307: tty_putcode(tty, TTYC_CUB1);
1308: goto out;
1309: }
1.42 nicm 1310: tty_putcode1(tty, TTYC_CUB, change);
1311: goto out;
1312: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1313: tty_putcode1(tty, TTYC_CUF, -change);
1314: goto out;
1315: }
1.45 nicm 1316: } else if (cx == thisx) {
1317: /*
1318: * Moving row only, column staying the same.
1319: */
1.42 nicm 1320:
1321: /* One above. */
1.77 nicm 1322: if (thisy != tty->rupper &&
1.42 nicm 1323: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1324: tty_putcode(tty, TTYC_CUU1);
1325: goto out;
1326: }
1327:
1328: /* One below. */
1.49 nicm 1329: if (thisy != tty->rlower &&
1.42 nicm 1330: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1331: tty_putcode(tty, TTYC_CUD1);
1332: goto out;
1333: }
1334:
1335: /* Calculate difference. */
1336: change = thisy - cy; /* +ve up, -ve down */
1337:
1338: /*
1.77 nicm 1339: * Try to use VPA if change is larger than absolute or if this
1340: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1341: */
1.87 nicm 1342: if ((u_int) abs(change) > cy ||
1.42 nicm 1343: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1344: (change > 0 && cy - change < tty->rupper)) {
1345: if (tty_term_has(term, TTYC_VPA)) {
1346: tty_putcode1(tty, TTYC_VPA, cy);
1347: goto out;
1348: }
1.42 nicm 1349: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1350: tty_putcode1(tty, TTYC_CUU, change);
1351: goto out;
1352: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1353: tty_putcode1(tty, TTYC_CUD, -change);
1354: goto out;
1355: }
1356: }
1357:
1.43 nicm 1358: absolute:
1.42 nicm 1359: /* Absolute movement. */
1360: tty_putcode2(tty, TTYC_CUP, cy, cx);
1361:
1362: out:
1363: tty->cx = cx;
1364: tty->cy = cy;
1.1 nicm 1365: }
1366:
1367: void
1.176 nicm 1368: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1369: const struct window_pane *wp)
1.1 nicm 1370: {
1.63 nicm 1371: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1372: u_char changed;
1.61 nicm 1373:
1.85 nicm 1374: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 1375: if (wp != NULL)
1376: tty_default_colours(&gc2, wp);
1.63 nicm 1377:
1.18 nicm 1378: /*
1379: * If no setab, try to use the reverse attribute as a best-effort for a
1380: * non-default background. This is a bit of a hack but it doesn't do
1381: * any serious harm and makes a couple of applications happier.
1382: */
1383: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1384: if (gc2.attr & GRID_ATTR_REVERSE) {
1385: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1386: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1387: } else {
1.85 nicm 1388: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1389: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1390: }
1391: }
1.1 nicm 1392:
1.85 nicm 1393: /* Fix up the colours if necessary. */
1394: tty_check_fg(tty, &gc2);
1395: tty_check_bg(tty, &gc2);
1396:
1.64 nicm 1397: /* If any bits are being cleared, reset everything. */
1.85 nicm 1398: if (tc->attr & ~gc2.attr)
1.64 nicm 1399: tty_reset(tty);
1400:
1401: /*
1402: * Set the colours. This may call tty_reset() (so it comes next) and
1403: * may add to (NOT remove) the desired attributes by changing new_attr.
1404: */
1.85 nicm 1405: tty_colours(tty, &gc2);
1.64 nicm 1406:
1.1 nicm 1407: /* Filter out attribute bits already set. */
1.85 nicm 1408: changed = gc2.attr & ~tc->attr;
1409: tc->attr = gc2.attr;
1.1 nicm 1410:
1411: /* Set the attributes. */
1412: if (changed & GRID_ATTR_BRIGHT)
1413: tty_putcode(tty, TTYC_BOLD);
1414: if (changed & GRID_ATTR_DIM)
1415: tty_putcode(tty, TTYC_DIM);
1.180 nicm 1416: if (changed & GRID_ATTR_ITALICS)
1417: tty_set_italics(tty);
1.1 nicm 1418: if (changed & GRID_ATTR_UNDERSCORE)
1419: tty_putcode(tty, TTYC_SMUL);
1420: if (changed & GRID_ATTR_BLINK)
1421: tty_putcode(tty, TTYC_BLINK);
1422: if (changed & GRID_ATTR_REVERSE) {
1423: if (tty_term_has(tty->term, TTYC_REV))
1424: tty_putcode(tty, TTYC_REV);
1425: else if (tty_term_has(tty->term, TTYC_SMSO))
1426: tty_putcode(tty, TTYC_SMSO);
1427: }
1428: if (changed & GRID_ATTR_HIDDEN)
1429: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1430: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1431: tty_putcode(tty, TTYC_SMACS);
1432: }
1433:
1.207 nicm 1434: static void
1.85 nicm 1435: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1436: {
1.61 nicm 1437: struct grid_cell *tc = &tty->cell;
1.204 nicm 1438: int have_ax;
1.61 nicm 1439:
1440: /* No changes? Nothing is necessary. */
1.204 nicm 1441: if (gc->fg == tc->fg && gc->bg == tc->bg)
1.63 nicm 1442: return;
1.1 nicm 1443:
1.61 nicm 1444: /*
1445: * Is either the default colour? This is handled specially because the
1446: * best solution might be to reset both colours to default, in which
1447: * case if only one is default need to fall onward to set the other
1448: * colour.
1449: */
1.204 nicm 1450: if (gc->fg == 8 || gc->bg == 8) {
1.61 nicm 1451: /*
1452: * If don't have AX but do have op, send sgr0 (op can't
1453: * actually be used because it is sometimes the same as sgr0
1454: * and sometimes isn't). This resets both colours to default.
1455: *
1456: * Otherwise, try to set the default colour only as needed.
1457: */
1.174 nicm 1458: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 1459: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1460: tty_reset(tty);
1461: else {
1.204 nicm 1462: if (gc->fg == 8 && tc->fg != 8) {
1.61 nicm 1463: if (have_ax)
1464: tty_puts(tty, "\033[39m");
1.204 nicm 1465: else if (tc->fg != 7)
1.61 nicm 1466: tty_putcode1(tty, TTYC_SETAF, 7);
1467: tc->fg = 8;
1468: }
1.204 nicm 1469: if (gc->bg == 8 && tc->bg != 8) {
1.77 nicm 1470: if (have_ax)
1.61 nicm 1471: tty_puts(tty, "\033[49m");
1.204 nicm 1472: else if (tc->bg != 0)
1.61 nicm 1473: tty_putcode1(tty, TTYC_SETAB, 0);
1474: tc->bg = 8;
1475: }
1476: }
1477: }
1.1 nicm 1478:
1.61 nicm 1479: /* Set the foreground colour. */
1.204 nicm 1480: if (gc->fg != 8 && gc->fg != tc->fg)
1.85 nicm 1481: tty_colours_fg(tty, gc);
1.1 nicm 1482:
1.61 nicm 1483: /*
1484: * Set the background colour. This must come after the foreground as
1485: * tty_colour_fg() can call tty_reset().
1486: */
1.204 nicm 1487: if (gc->bg != 8 && gc->bg != tc->bg)
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: {
1.204 nicm 1494: u_char r, g, b;
1495: u_int colours;
1.85 nicm 1496:
1.199 nicm 1497: /* Is this a 24-bit colour? */
1.204 nicm 1498: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 1499: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1500: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1501: colour_split_rgb(gc->fg, &r, &g, &b);
1502: gc->fg = colour_find_rgb(r, g, b);
1503: } else
1.200 nicm 1504: return;
1.199 nicm 1505: }
1.175 nicm 1506: colours = tty_term_number(tty->term, TTYC_COLORS);
1507:
1.85 nicm 1508: /* Is this a 256-colour colour? */
1.204 nicm 1509: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 1510: /* And not a 256 colour mode? */
1.158 nicm 1511: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1512: !(tty->term_flags & TERM_256COLOURS)) {
1513: gc->fg = colour_256to16(gc->fg);
1514: if (gc->fg & 8) {
1515: gc->fg &= 7;
1.175 nicm 1516: if (colours >= 16)
1517: gc->fg += 90;
1518: else
1519: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1520: } else
1521: gc->attr &= ~GRID_ATTR_BRIGHT;
1522: }
1523: return;
1524: }
1525:
1526: /* Is this an aixterm colour? */
1527: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1528: gc->fg -= 90;
1529: gc->attr |= GRID_ATTR_BRIGHT;
1530: }
1531: }
1532:
1533: void
1534: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1535: {
1.204 nicm 1536: u_char r, g, b;
1537: u_int colours;
1.85 nicm 1538:
1.199 nicm 1539: /* Is this a 24-bit colour? */
1.204 nicm 1540: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 1541: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1542: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1543: colour_split_rgb(gc->bg, &r, &g, &b);
1544: gc->bg = colour_find_rgb(r, g, b);
1545: } else
1.200 nicm 1546: return;
1.199 nicm 1547: }
1.175 nicm 1548: colours = tty_term_number(tty->term, TTYC_COLORS);
1549:
1.85 nicm 1550: /* Is this a 256-colour colour? */
1.204 nicm 1551: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 1552: /*
1553: * And not a 256 colour mode? Translate to 16-colour
1554: * palette. Bold background doesn't exist portably, so just
1555: * discard the bold bit if set.
1556: */
1.158 nicm 1557: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1558: !(tty->term_flags & TERM_256COLOURS)) {
1559: gc->bg = colour_256to16(gc->bg);
1.175 nicm 1560: if (gc->bg & 8) {
1.85 nicm 1561: gc->bg &= 7;
1.175 nicm 1562: if (colours >= 16)
1563: gc->fg += 90;
1564: }
1.85 nicm 1565: }
1566: return;
1567: }
1568:
1569: /* Is this an aixterm colour? */
1.175 nicm 1570: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 1571: gc->bg -= 90;
1572: }
1573:
1.207 nicm 1574: static void
1.85 nicm 1575: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1576: {
1.61 nicm 1577: struct grid_cell *tc = &tty->cell;
1.79 nicm 1578: char s[32];
1.1 nicm 1579:
1.204 nicm 1580: /* Is this a 24-bit or 256-colour colour? */
1581: if (gc->fg & COLOUR_FLAG_RGB ||
1582: gc->fg & COLOUR_FLAG_256) {
1583: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 1584: goto save_fg;
1.199 nicm 1585: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 1586: return;
1.1 nicm 1587: }
1588:
1.79 nicm 1589: /* Is this an aixterm bright colour? */
1.204 nicm 1590: if (gc->fg >= 90 && gc->fg <= 97) {
1591: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
1.85 nicm 1592: tty_puts(tty, s);
1593: goto save_fg;
1.79 nicm 1594: }
1595:
1.61 nicm 1596: /* Otherwise set the foreground colour. */
1.204 nicm 1597: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 1598:
1.77 nicm 1599: save_fg:
1.61 nicm 1600: /* Save the new values in the terminal current cell. */
1.204 nicm 1601: tc->fg = gc->fg;
1.1 nicm 1602: }
1603:
1.207 nicm 1604: static void
1.73 nicm 1605: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1606: {
1.61 nicm 1607: struct grid_cell *tc = &tty->cell;
1.79 nicm 1608: char s[32];
1.1 nicm 1609:
1.204 nicm 1610: /* Is this a 24-bit or 256-colour colour? */
1611: if (gc->bg & COLOUR_FLAG_RGB ||
1612: gc->bg & COLOUR_FLAG_256) {
1613: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 1614: goto save_bg;
1.199 nicm 1615: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 1616: return;
1.79 nicm 1617: }
1618:
1619: /* Is this an aixterm bright colour? */
1.204 nicm 1620: if (gc->bg >= 90 && gc->bg <= 97) {
1621: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
1.175 nicm 1622: tty_puts(tty, s);
1623: goto save_bg;
1.1 nicm 1624: }
1625:
1.61 nicm 1626: /* Otherwise set the background colour. */
1.204 nicm 1627: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 1628:
1629: save_bg:
1630: /* Save the new values in the terminal current cell. */
1.204 nicm 1631: tc->bg = gc->bg;
1.61 nicm 1632: }
1633:
1.207 nicm 1634: static int
1.204 nicm 1635: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 1636: {
1.204 nicm 1637: u_char r, g, b;
1.61 nicm 1638: char s[32];
1639:
1.204 nicm 1640: if (colour & COLOUR_FLAG_256) {
1641: /*
1642: * If the user has specified -2 to the client, setaf and setab
1643: * may not work (or they may not want to use them), so send the
1644: * usual sequence.
1645: */
1646: if (tty->term_flags & TERM_256COLOURS)
1647: goto fallback_256;
1.189 nicm 1648:
1.204 nicm 1649: /*
1650: * If the terminfo entry has 256 colours and setaf and setab
1651: * exist, assume that they work correctly.
1652: */
1653: if (tty->term->flags & TERM_256COLOURS) {
1654: if (*type == '3') {
1655: if (!tty_term_has(tty->term, TTYC_SETAF))
1656: goto fallback_256;
1657: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
1658: } else {
1659: if (!tty_term_has(tty->term, TTYC_SETAB))
1660: goto fallback_256;
1661: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
1662: }
1663: return (0);
1.188 nicm 1664: }
1.204 nicm 1665: goto fallback_256;
1666: }
1667:
1668: if (colour & COLOUR_FLAG_RGB) {
1669: if (!tty_term_flag(tty->term, TTYC_TC))
1670: return (-1);
1671:
1672: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1673: xsnprintf(s, sizeof s, "\033[%s;2;%hhu;%hhu;%hhum", type,
1674: r, g, b);
1675: tty_puts(tty, s);
1.165 nicm 1676: return (0);
1677: }
1.61 nicm 1678:
1.165 nicm 1679: return (-1);
1.188 nicm 1680:
1.204 nicm 1681: fallback_256:
1682: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.188 nicm 1683: tty_puts(tty, s);
1684: return (0);
1.176 nicm 1685: }
1686:
1.207 nicm 1687: static void
1.176 nicm 1688: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
1689: {
1.203 nicm 1690: struct window *w = wp->window;
1691: struct options *oo = w->options;
1692: const struct grid_cell *agc, *pgc, *wgc;
1693:
1694: if (w->flags & WINDOW_STYLECHANGED) {
1695: w->flags &= ~WINDOW_STYLECHANGED;
1696: agc = options_get_style(oo, "window-active-style");
1697: memcpy(&w->active_style, agc, sizeof w->active_style);
1698: wgc = options_get_style(oo, "window-style");
1699: memcpy(&w->style, wgc, sizeof w->style);
1700: } else {
1701: agc = &w->active_style;
1702: wgc = &w->style;
1703: }
1.176 nicm 1704: pgc = &wp->colgc;
1705:
1.204 nicm 1706: if (gc->fg == 8) {
1707: if (pgc->fg != 8)
1.176 nicm 1708: gc->fg = pgc->fg;
1.204 nicm 1709: else if (wp == w->active && agc->fg != 8)
1.176 nicm 1710: gc->fg = agc->fg;
1.204 nicm 1711: else
1.176 nicm 1712: gc->fg = wgc->fg;
1713: }
1714:
1.204 nicm 1715: if (gc->bg == 8) {
1716: if (pgc->bg != 8)
1.176 nicm 1717: gc->bg = pgc->bg;
1.204 nicm 1718: else if (wp == w->active && agc->bg != 8)
1.176 nicm 1719: gc->bg = agc->bg;
1.204 nicm 1720: else
1.176 nicm 1721: gc->bg = wgc->bg;
1722: }
1.1 nicm 1723: }
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