Annotation of src/usr.bin/tmux/tty.c, Revision 1.211
1.211 ! nicm 1: /* $OpenBSD: tty.c,v 1.210 2016/10/13 20:27:27 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 *);
1.210 nicm 58: static int tty_fake_bce(const struct tty *, const struct window_pane *,
59: u_int);
1.207 nicm 60: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
61: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
62: enum tty_code_code, u_int);
63: static void tty_repeat_space(struct tty *, u_int);
64: static void tty_cell(struct tty *, const struct grid_cell *,
65: const struct window_pane *);
66: static void tty_default_colours(struct grid_cell *,
67: const struct window_pane *);
1.210 nicm 68: static void tty_default_attributes(struct tty *, const struct window_pane *,
69: u_int);
1.1 nicm 70:
1.90 nicm 71: #define tty_use_acs(tty) \
1.131 nicm 72: (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.90 nicm 73:
1.132 nicm 74: #define tty_pane_full_width(tty, ctx) \
75: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
76:
1.192 nicm 77: void
78: tty_create_log(void)
79: {
80: char name[64];
81:
82: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
83:
84: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
85: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
86: fatal("fcntl failed");
87: }
88:
1.185 nicm 89: int
1.136 nicm 90: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 91: {
1.30 nicm 92: char *path;
93:
1.185 nicm 94: if (!isatty(fd))
95: return (-1);
96:
1.30 nicm 97: memset(tty, 0, sizeof *tty);
1.22 nicm 98:
1.9 nicm 99: if (term == NULL || *term == '\0')
1.1 nicm 100: tty->termname = xstrdup("unknown");
101: else
102: tty->termname = xstrdup(term);
1.30 nicm 103: tty->fd = fd;
1.136 nicm 104: tty->client = c;
1.30 nicm 105:
106: if ((path = ttyname(fd)) == NULL)
1.185 nicm 107: return (-1);
1.30 nicm 108: tty->path = xstrdup(path);
1.108 nicm 109: tty->cstyle = 0;
1.107 nicm 110: tty->ccolour = xstrdup("");
1.30 nicm 111:
1.1 nicm 112: tty->flags = 0;
113: tty->term_flags = 0;
1.185 nicm 114:
115: return (0);
1.31 nicm 116: }
117:
1.88 nicm 118: int
1.31 nicm 119: tty_resize(struct tty *tty)
120: {
121: struct winsize ws;
1.88 nicm 122: u_int sx, sy;
1.31 nicm 123:
124: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 125: sx = ws.ws_col;
126: if (sx == 0)
127: sx = 80;
128: sy = ws.ws_row;
129: if (sy == 0)
130: sy = 24;
131: } else {
132: sx = 80;
133: sy = 24;
1.31 nicm 134: }
1.114 nicm 135: if (!tty_set_size(tty, sx, sy))
1.88 nicm 136: return (0);
1.31 nicm 137:
138: tty->cx = UINT_MAX;
139: tty->cy = UINT_MAX;
140:
141: tty->rupper = UINT_MAX;
142: tty->rlower = UINT_MAX;
1.88 nicm 143:
144: /*
145: * If the terminal has been started, reset the actual scroll region and
146: * cursor position, as this may not have happened.
147: */
148: if (tty->flags & TTY_STARTED) {
149: tty_cursor(tty, 0, 0);
150: tty_region(tty, 0, tty->sy - 1);
151: }
152:
1.114 nicm 153: return (1);
154: }
155:
156: int
157: tty_set_size(struct tty *tty, u_int sx, u_int sy) {
158: if (sx == tty->sx && sy == tty->sy)
159: return (0);
160: tty->sx = sx;
161: tty->sy = sy;
1.88 nicm 162: return (1);
1.1 nicm 163: }
164:
165: int
1.166 nicm 166: tty_open(struct tty *tty, char **cause)
1.1 nicm 167: {
1.166 nicm 168: tty->term = tty_term_find(tty->termname, tty->fd, cause);
1.21 nicm 169: if (tty->term == NULL) {
170: tty_close(tty);
171: return (-1);
172: }
173: tty->flags |= TTY_OPENED;
1.1 nicm 174:
1.149 nicm 175: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_TIMER);
1.1 nicm 176:
1.196 nicm 177: tty->event = bufferevent_new(tty->fd, tty_read_callback, NULL,
178: tty_error_callback, tty);
1.1 nicm 179:
180: tty_start_tty(tty);
181:
1.148 nicm 182: tty_keys_build(tty);
1.1 nicm 183:
184: return (0);
185: }
186:
1.207 nicm 187: static void
1.194 nicm 188: tty_read_callback(__unused struct bufferevent *bufev, void *data)
1.67 nicm 189: {
190: struct tty *tty = data;
191:
192: while (tty_keys_next(tty))
193: ;
194: }
195:
1.207 nicm 196: static void
1.194 nicm 197: tty_error_callback(__unused struct bufferevent *bufev, __unused short what,
198: __unused void *data)
1.66 nicm 199: {
200: }
201:
1.208 nicm 202: static void
1.127 nicm 203: tty_init_termios(int fd, struct termios *orig_tio, struct bufferevent *bufev)
1.1 nicm 204: {
1.128 nicm 205: struct termios tio;
1.33 nicm 206:
1.127 nicm 207: if (fd == -1 || tcgetattr(fd, orig_tio) != 0)
1.33 nicm 208: return;
1.1 nicm 209:
1.127 nicm 210: setblocking(fd, 0);
1.34 nicm 211:
1.127 nicm 212: if (bufev != NULL)
213: bufferevent_enable(bufev, EV_READ|EV_WRITE);
1.66 nicm 214:
1.127 nicm 215: memcpy(&tio, orig_tio, sizeof tio);
1.1 nicm 216: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
217: tio.c_iflag |= IGNBRK;
218: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
219: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
1.169 jsg 220: ECHOPRT|ECHOKE|ISIG);
1.1 nicm 221: tio.c_cc[VMIN] = 1;
1.60 deraadt 222: tio.c_cc[VTIME] = 0;
1.127 nicm 223: if (tcsetattr(fd, TCSANOW, &tio) == 0)
224: tcflush(fd, TCIOFLUSH);
225: }
226:
227: void
228: tty_start_tty(struct tty *tty)
229: {
230: tty_init_termios(tty->fd, &tty->tio, tty->event);
1.1 nicm 231:
1.10 nicm 232: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 233:
1.25 nicm 234: tty_putcode(tty, TTYC_SGR0);
235: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
236:
1.76 nicm 237: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 238: if (tty_use_acs(tty))
239: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 240: tty_putcode(tty, TTYC_CLEAR);
241:
242: tty_putcode(tty, TTYC_CNORM);
243: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 244: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.121 nicm 245:
1.189 nicm 246: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 247: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 248: tty->flags |= TTY_FOCUS;
249: tty_puts(tty, "\033[?1004h");
250: }
251: }
1.1 nicm 252:
253: tty->cx = UINT_MAX;
254: tty->cy = UINT_MAX;
255:
256: tty->rlower = UINT_MAX;
257: tty->rupper = UINT_MAX;
258:
259: tty->mode = MODE_CURSOR;
1.20 nicm 260:
261: tty->flags |= TTY_STARTED;
1.107 nicm 262:
263: tty_force_cursor_colour(tty, "");
1.177 nicm 264:
265: tty->mouse_drag_flag = 0;
266: tty->mouse_drag_update = NULL;
267: tty->mouse_drag_release = NULL;
1.128 nicm 268: }
269:
270: void
1.1 nicm 271: tty_stop_tty(struct tty *tty)
272: {
273: struct winsize ws;
274:
1.20 nicm 275: if (!(tty->flags & TTY_STARTED))
276: return;
277: tty->flags &= ~TTY_STARTED;
278:
1.66 nicm 279: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
280:
1.1 nicm 281: /*
282: * Be flexible about error handling and try not kill the server just
283: * because the fd is invalid. Things like ssh -t can easily leave us
284: * with a dead tty.
285: */
286: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
287: return;
288: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
289: return;
290:
291: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 292: if (tty_use_acs(tty))
293: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 294: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
295: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
296: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 297: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
298: if (tty_term_has(tty->term, TTYC_SE))
299: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 300: else
1.160 nicm 301: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 302: }
1.173 nicm 303: if (tty->mode & MODE_BRACKETPASTE)
304: tty_raw(tty, "\033[?2004l");
1.107 nicm 305: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 306:
307: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
308: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 309: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.151 nicm 310:
1.189 nicm 311: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 312: if (tty->flags & TTY_FOCUS) {
313: tty->flags &= ~TTY_FOCUS;
1.172 nicm 314: tty_raw(tty, "\033[?1004l");
1.162 nicm 315: }
316: }
1.10 nicm 317:
318: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 319:
320: setblocking(tty->fd, 1);
1.1 nicm 321: }
322:
323: void
1.20 nicm 324: tty_close(struct tty *tty)
1.1 nicm 325: {
1.123 nicm 326: if (event_initialized(&tty->key_timer))
327: evtimer_del(&tty->key_timer);
1.20 nicm 328: tty_stop_tty(tty);
1.1 nicm 329:
1.21 nicm 330: if (tty->flags & TTY_OPENED) {
1.66 nicm 331: bufferevent_free(tty->event);
332:
1.21 nicm 333: tty_term_free(tty->term);
334: tty_keys_free(tty);
335:
336: tty->flags &= ~TTY_OPENED;
337: }
1.1 nicm 338:
1.21 nicm 339: if (tty->fd != -1) {
340: close(tty->fd);
341: tty->fd = -1;
342: }
1.1 nicm 343: }
344:
345: void
1.20 nicm 346: tty_free(struct tty *tty)
1.1 nicm 347: {
1.20 nicm 348: tty_close(tty);
1.1 nicm 349:
1.138 nicm 350: free(tty->ccolour);
1.190 nicm 351: free(tty->path);
352: free(tty->termname);
1.1 nicm 353: }
354:
355: void
356: tty_raw(struct tty *tty, const char *s)
357: {
1.150 nicm 358: ssize_t n, slen;
359: u_int i;
360:
361: slen = strlen(s);
362: for (i = 0; i < 5; i++) {
363: n = write(tty->fd, s, slen);
364: if (n >= 0) {
365: s += n;
366: slen -= n;
367: if (slen == 0)
368: break;
369: } else if (n == -1 && errno != EAGAIN)
370: break;
371: usleep(100);
372: }
1.1 nicm 373: }
374:
375: void
376: tty_putcode(struct tty *tty, enum tty_code_code code)
377: {
378: tty_puts(tty, tty_term_string(tty->term, code));
379: }
380:
381: void
382: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
383: {
384: if (a < 0)
385: return;
386: tty_puts(tty, tty_term_string1(tty->term, code, a));
387: }
388:
389: void
390: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
391: {
392: if (a < 0 || b < 0)
393: return;
394: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
395: }
396:
397: void
1.107 nicm 398: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
399: {
400: if (a != NULL)
401: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
402: }
403:
404: void
1.167 nicm 405: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
406: const void *b)
1.106 nicm 407: {
408: if (a != NULL && b != NULL)
409: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
410: }
411:
412: void
1.1 nicm 413: tty_puts(struct tty *tty, const char *s)
414: {
415: if (*s == '\0')
416: return;
1.66 nicm 417: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 418:
1.192 nicm 419: if (tty_log_fd != -1)
420: write(tty_log_fd, s, strlen(s));
1.1 nicm 421: }
422:
423: void
424: tty_putc(struct tty *tty, u_char ch)
425: {
1.90 nicm 426: const char *acs;
1.1 nicm 427:
1.90 nicm 428: if (tty->cell.attr & GRID_ATTR_CHARSET) {
429: acs = tty_acs_get(tty, ch);
430: if (acs != NULL)
431: bufferevent_write(tty->event, acs, strlen(acs));
432: else
433: bufferevent_write(tty->event, &ch, 1);
434: } else
435: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 436:
437: if (ch >= 0x20 && ch != 0x7f) {
1.211 ! nicm 438: if (tty->cx >= tty->sx) {
1.46 nicm 439: tty->cx = 1;
440: if (tty->cy != tty->rlower)
441: tty->cy++;
1.211 ! nicm 442:
! 443: /*
! 444: * On !xenl terminals, force the cursor position to
! 445: * where we think it should be after a line wrap - this
! 446: * means it works on sensible terminals as well.
! 447: */
! 448: if (tty->term->flags & TERM_EARLYWRAP)
! 449: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 450: } else
451: tty->cx++;
452: }
453:
1.192 nicm 454: if (tty_log_fd != -1)
455: write(tty_log_fd, &ch, 1);
1.1 nicm 456: }
457:
458: void
1.147 nicm 459: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 460: {
1.147 nicm 461: bufferevent_write(tty->event, buf, len);
1.192 nicm 462: if (tty_log_fd != -1)
463: write(tty_log_fd, buf, len);
1.147 nicm 464: tty->cx += width;
1.5 nicm 465: }
466:
1.207 nicm 467: static void
1.180 nicm 468: tty_set_italics(struct tty *tty)
469: {
470: const char *s;
471:
472: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 473: s = options_get_string(global_options, "default-terminal");
1.180 nicm 474: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
475: tty_putcode(tty, TTYC_SITM);
476: return;
477: }
478: }
479: tty_putcode(tty, TTYC_SMSO);
480: }
481:
482: void
1.1 nicm 483: tty_set_title(struct tty *tty, const char *title)
484: {
1.105 nicm 485: if (!tty_term_has(tty->term, TTYC_TSL) ||
486: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 487: return;
488:
1.105 nicm 489: tty_putcode(tty, TTYC_TSL);
1.1 nicm 490: tty_puts(tty, title);
1.105 nicm 491: tty_putcode(tty, TTYC_FSL);
1.1 nicm 492: }
493:
1.208 nicm 494: static void
1.107 nicm 495: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
496: {
497: if (*ccolour == '\0')
498: tty_putcode(tty, TTYC_CR);
499: else
1.160 nicm 500: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 501: free(tty->ccolour);
1.107 nicm 502: tty->ccolour = xstrdup(ccolour);
503: }
504:
505: void
506: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 507: {
508: int changed;
509:
1.197 nicm 510: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 511: tty_force_cursor_colour(tty, s->ccolour);
512:
1.1 nicm 513: if (tty->flags & TTY_NOCURSOR)
514: mode &= ~MODE_CURSOR;
515:
516: changed = mode ^ tty->mode;
1.183 nicm 517: if (changed & MODE_BLINKING) {
518: if (tty_term_has(tty->term, TTYC_CVVIS))
519: tty_putcode(tty, TTYC_CVVIS);
520: else
521: tty_putcode(tty, TTYC_CNORM);
522: changed |= MODE_CURSOR;
523: }
524: if (changed & MODE_CURSOR) {
525: if (mode & MODE_CURSOR)
526: tty_putcode(tty, TTYC_CNORM);
527: else
1.1 nicm 528: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 529: }
1.181 nicm 530: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 531: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 532: if (s->cstyle == 0 &&
1.160 nicm 533: tty_term_has(tty->term, TTYC_SE))
534: tty_putcode(tty, TTYC_SE);
1.108 nicm 535: else
1.160 nicm 536: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 537: }
538: tty->cstyle = s->cstyle;
1.1 nicm 539: }
1.195 nicm 540: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 541: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 542: /*
543: * Enable the SGR (1006) extension unconditionally, as
544: * this is safe from misinterpretation. Do it in this
545: * order, because in some terminals it's the last one
546: * that takes effect and SGR is the preferred one.
547: */
548: tty_puts(tty, "\033[?1006h");
1.170 nicm 549: if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 550: tty_puts(tty, "\033[?1002h");
1.98 nicm 551: else if (mode & MODE_MOUSE_STANDARD)
552: tty_puts(tty, "\033[?1000h");
1.86 nicm 553: } else {
1.170 nicm 554: if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 555: tty_puts(tty, "\033[?1002l");
1.98 nicm 556: else if (tty->mode & MODE_MOUSE_STANDARD)
557: tty_puts(tty, "\033[?1000l");
1.153 nicm 558: tty_puts(tty, "\033[?1006l");
1.86 nicm 559: }
1.76 nicm 560: }
561: if (changed & MODE_KKEYPAD) {
562: if (mode & MODE_KKEYPAD)
563: tty_putcode(tty, TTYC_SMKX);
564: else
565: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 566: }
567: if (changed & MODE_BRACKETPASTE) {
568: if (mode & MODE_BRACKETPASTE)
569: tty_puts(tty, "\033[?2004h");
570: else
571: tty_puts(tty, "\033[?2004l");
1.1 nicm 572: }
573: tty->mode = mode;
574: }
575:
1.207 nicm 576: static void
1.168 nicm 577: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
578: enum tty_code_code code1, u_int n)
1.1 nicm 579: {
580: if (tty_term_has(tty->term, code))
581: tty_putcode1(tty, code, n);
582: else {
583: while (n-- > 0)
584: tty_putcode(tty, code1);
585: }
586: }
587:
1.207 nicm 588: static void
1.133 nicm 589: tty_repeat_space(struct tty *tty, u_int n)
590: {
591: while (n-- > 0)
592: tty_putc(tty, ' ');
593: }
594:
1.1 nicm 595: /*
1.119 nicm 596: * Is the region large enough to be worth redrawing once later rather than
597: * probably several times now? Currently yes if it is more than 50% of the
598: * pane.
599: */
1.207 nicm 600: static int
1.194 nicm 601: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 602: {
603: struct window_pane *wp = ctx->wp;
604:
605: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
606: }
607:
608: /*
1.176 nicm 609: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
610: * emulated.
611: */
1.207 nicm 612: static int
1.210 nicm 613: tty_fake_bce(const struct tty *tty, const struct window_pane *wp, u_int bg)
1.176 nicm 614: {
615: struct grid_cell gc;
616:
1.210 nicm 617: if (tty_term_flag(tty->term, TTYC_BCE))
618: return (0);
619:
1.176 nicm 620: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 621: if (wp != NULL)
622: tty_default_colours(&gc, wp);
1.176 nicm 623:
1.210 nicm 624: if (bg != 8 || gc.bg != 8)
625: return (1);
626: return (0);
1.176 nicm 627: }
628:
629: /*
1.1 nicm 630: * Redraw scroll region using data from screen (already updated). Used when
631: * CSR not supported, or window is a pane that doesn't take up the full
632: * width of the terminal.
633: */
1.207 nicm 634: static void
1.24 nicm 635: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 636: {
1.14 nicm 637: struct window_pane *wp = ctx->wp;
638: struct screen *s = wp->screen;
1.204 nicm 639: u_int i;
1.1 nicm 640:
641: /*
1.119 nicm 642: * If region is large, schedule a window redraw. In most cases this is
643: * likely to be followed by some more scrolling.
1.1 nicm 644: */
1.119 nicm 645: if (tty_large_region(tty, ctx)) {
1.1 nicm 646: wp->flags |= PANE_REDRAW;
647: return;
648: }
649:
1.14 nicm 650: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
651: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176 nicm 652: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 653: } else {
1.14 nicm 654: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176 nicm 655: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 656: }
657: }
658:
659: void
1.176 nicm 660: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
661: u_int oy)
662: {
663: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
664: }
665:
666: void
667: tty_draw_line(struct tty *tty, const struct window_pane *wp,
668: struct screen *s, u_int py, u_int ox, u_int oy)
1.1 nicm 669: {
1.209 nicm 670: struct grid_cell gc, tmp_gc;
1.46 nicm 671: struct grid_line *gl;
1.1 nicm 672: u_int i, sx;
1.181 nicm 673: int flags;
1.1 nicm 674:
1.181 nicm 675: flags = tty->flags & TTY_NOCURSOR;
676: tty->flags |= TTY_NOCURSOR;
677: tty_update_mode(tty, tty->mode, s);
1.35 nicm 678:
1.1 nicm 679: sx = screen_size_x(s);
1.19 nicm 680: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
681: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 682: if (sx > tty->sx)
683: sx = tty->sx;
684:
1.46 nicm 685: /*
1.174 nicm 686: * Don't move the cursor to the start position if it will wrap there
1.50 nicm 687: * itself.
1.46 nicm 688: */
689: gl = NULL;
690: if (py != 0)
691: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 692: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 693: tty->cx < tty->sx || ox != 0 ||
694: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 695: tty_cursor(tty, ox, oy + py);
696:
1.1 nicm 697: for (i = 0; i < sx; i++) {
1.193 nicm 698: grid_view_get_cell(s->grid, i, py, &gc);
1.209 nicm 699: if (gc.flags & GRID_FLAG_SELECTED) {
700: screen_select_cell(s, &tmp_gc, &gc);
701: tty_cell(tty, &tmp_gc, wp);
702: } else
703: tty_cell(tty, &gc, wp);
1.1 nicm 704: }
705:
1.181 nicm 706: if (sx < tty->sx) {
1.210 nicm 707: tty_default_attributes(tty, wp, 8);
1.181 nicm 708:
709: tty_cursor(tty, ox + sx, oy + py);
710: if (sx != screen_size_x(s) &&
711: ox + screen_size_x(s) >= tty->sx &&
712: tty_term_has(tty->term, TTYC_EL) &&
1.210 nicm 713: !tty_fake_bce(tty, wp, 8))
1.181 nicm 714: tty_putcode(tty, TTYC_EL);
715: else
716: tty_repeat_space(tty, screen_size_x(s) - sx);
1.35 nicm 717: }
1.1 nicm 718:
1.181 nicm 719: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 720: tty_update_mode(tty, tty->mode, s);
1.15 nicm 721: }
722:
1.201 nicm 723: static int
1.182 nicm 724: tty_client_ready(struct client *c, struct window_pane *wp)
725: {
726: if (c->session == NULL || c->tty.term == NULL)
727: return (0);
728: if (c->flags & CLIENT_SUSPENDED)
729: return (0);
730: if (c->tty.flags & TTY_FREEZE)
731: return (0);
732: if (c->session->curw->window != wp->window)
733: return (0);
734: return (1);
735: }
736:
1.15 nicm 737: void
1.182 nicm 738: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
739: struct tty_ctx *ctx)
1.15 nicm 740: {
741: struct window_pane *wp = ctx->wp;
742: struct client *c;
743:
1.75 nicm 744: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 745: if (wp == NULL)
746: return;
747:
748: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
749: return;
1.129 nicm 750: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 751: return;
752:
1.178 nicm 753: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 754: if (!tty_client_ready(c, wp))
1.15 nicm 755: continue;
756:
1.139 nicm 757: ctx->xoff = wp->xoff;
758: ctx->yoff = wp->yoff;
759: if (status_at_line(c) == 0)
760: ctx->yoff++;
1.113 nicm 761:
1.139 nicm 762: cmdfn(&c->tty, ctx);
1.1 nicm 763: }
764: }
765:
766: void
1.24 nicm 767: tty_cmd_insertcharacter(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:
1.210 nicm 771: if (!tty_pane_full_width(tty, ctx) ||
772: tty_fake_bce(tty, wp, ctx->bg) ||
773: (!tty_term_has(tty->term, TTYC_ICH) &&
774: !tty_term_has(tty->term, TTYC_ICH1))) {
1.176 nicm 775: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 776: return;
777: }
778:
1.210 nicm 779: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 780:
1.77 nicm 781: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 782:
1.206 nicm 783: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 784: }
785:
786: void
1.24 nicm 787: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 788: {
1.77 nicm 789: struct window_pane *wp = ctx->wp;
1.1 nicm 790:
1.210 nicm 791: if (!tty_pane_full_width(tty, ctx) ||
792: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 793: (!tty_term_has(tty->term, TTYC_DCH) &&
794: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 795: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 796: return;
797: }
798:
1.210 nicm 799: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 800:
1.77 nicm 801: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 802:
1.206 nicm 803: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 804: }
805:
806: void
807: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
808: {
809: u_int i;
810:
1.176 nicm 811: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.146 nicm 812:
813: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
814:
1.210 nicm 815: if (tty_term_has(tty->term, TTYC_ECH) &&
816: !tty_fake_bce(tty, ctx->wp, ctx->bg))
1.146 nicm 817: tty_putcode1(tty, TTYC_ECH, ctx->num);
818: else {
819: for (i = 0; i < ctx->num; i++)
820: tty_putc(tty, ' ');
821: }
1.1 nicm 822: }
823:
824: void
1.24 nicm 825: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 826: {
1.210 nicm 827: if (!tty_pane_full_width(tty, ctx) ||
828: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 829: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 830: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 831: tty_redraw_region(tty, ctx);
1.1 nicm 832: return;
833: }
834:
1.210 nicm 835: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 836:
1.77 nicm 837: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
838: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 839:
1.12 nicm 840: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 841: }
842:
843: void
1.24 nicm 844: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 845: {
1.210 nicm 846: if (!tty_pane_full_width(tty, ctx) ||
847: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 848: !tty_term_has(tty->term, TTYC_CSR) ||
849: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 850: tty_redraw_region(tty, ctx);
1.1 nicm 851: return;
852: }
853:
1.210 nicm 854: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 855:
1.77 nicm 856: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
857: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 858:
1.12 nicm 859: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 860: }
861:
862: void
1.24 nicm 863: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 864: {
1.77 nicm 865: struct window_pane *wp = ctx->wp;
1.12 nicm 866: struct screen *s = wp->screen;
1.1 nicm 867:
1.210 nicm 868: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 869:
1.77 nicm 870: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 871:
1.210 nicm 872: if (tty_pane_full_width(tty, ctx) &&
873: !tty_fake_bce(tty, wp, ctx->bg) &&
1.176 nicm 874: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 875: tty_putcode(tty, TTYC_EL);
1.133 nicm 876: else
877: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 878: }
879:
880: void
1.24 nicm 881: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 882: {
1.77 nicm 883: struct window_pane *wp = ctx->wp;
1.12 nicm 884: struct screen *s = wp->screen;
1.1 nicm 885:
1.210 nicm 886: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 887:
1.41 nicm 888: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
889:
1.176 nicm 890: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 891: tty_term_has(tty->term, TTYC_EL) &&
892: !tty_fake_bce(tty, wp, ctx->bg))
1.1 nicm 893: tty_putcode(tty, TTYC_EL);
1.133 nicm 894: else
895: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.1 nicm 896: }
897:
898: void
1.24 nicm 899: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 900: {
1.210 nicm 901: struct window_pane *wp = ctx->wp;
902:
903: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 904:
1.210 nicm 905: if (ctx->xoff == 0 &&
906: tty_term_has(tty->term, TTYC_EL1) &&
907: !tty_fake_bce(tty, ctx->wp, ctx->bg)) {
1.41 nicm 908: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 909: tty_putcode(tty, TTYC_EL1);
910: } else {
1.41 nicm 911: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 912: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 913: }
914: }
915:
916: void
1.24 nicm 917: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 918: {
1.56 nicm 919: if (ctx->ocy != ctx->orupper)
920: return;
921:
1.210 nicm 922: if (!tty_pane_full_width(tty, ctx) ||
923: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.70 nicm 924: !tty_term_has(tty->term, TTYC_CSR) ||
925: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 926: tty_redraw_region(tty, ctx);
1.1 nicm 927: return;
928: }
929:
1.176 nicm 930: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.77 nicm 931:
1.56 nicm 932: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
933: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 934:
1.56 nicm 935: tty_putcode(tty, TTYC_RI);
1.1 nicm 936: }
937:
938: void
1.24 nicm 939: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 940: {
1.77 nicm 941: struct window_pane *wp = ctx->wp;
1.1 nicm 942:
1.56 nicm 943: if (ctx->ocy != ctx->orlower)
944: return;
945:
1.210 nicm 946: if (!tty_pane_full_width(tty, ctx) ||
947: tty_fake_bce(tty, wp, ctx->bg) ||
1.1 nicm 948: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 949: if (tty_large_region(tty, ctx))
950: wp->flags |= PANE_REDRAW;
1.140 nicm 951: else
1.128 nicm 952: tty_redraw_region(tty, ctx);
1.1 nicm 953: return;
954: }
1.52 nicm 955:
956: /*
957: * If this line wrapped naturally (ctx->num is nonzero), don't do
958: * anything - the cursor can just be moved to the last cell and wrap
959: * naturally.
960: */
961: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
962: return;
1.1 nicm 963:
1.176 nicm 964: tty_attributes(tty, &grid_default_cell, wp);
1.77 nicm 965:
1.56 nicm 966: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
967: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 968:
1.56 nicm 969: tty_putc(tty, '\n');
1.1 nicm 970: }
971:
972: void
1.24 nicm 973: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 974: {
1.77 nicm 975: struct window_pane *wp = ctx->wp;
1.12 nicm 976: struct screen *s = wp->screen;
1.204 nicm 977: u_int i, j;
1.1 nicm 978:
1.210 nicm 979: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 980:
1.39 nicm 981: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 982: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 983:
1.176 nicm 984: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 985: tty_term_has(tty->term, TTYC_EL) &&
986: !tty_fake_bce(tty, wp, ctx->bg)) {
1.1 nicm 987: tty_putcode(tty, TTYC_EL);
1.14 nicm 988: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 989: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 990: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 991: tty_putcode(tty, TTYC_EL);
992: if (i == screen_size_y(s) - 1)
993: continue;
994: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
995: tty->cy++;
996: }
997: }
998: } else {
1.133 nicm 999: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.68 nicm 1000: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 1001: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1002: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1003: }
1004: }
1005: }
1006:
1007: void
1.24 nicm 1008: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1009: {
1.77 nicm 1010: struct window_pane *wp = ctx->wp;
1.12 nicm 1011: struct screen *s = wp->screen;
1.204 nicm 1012: u_int i, j;
1.1 nicm 1013:
1.176 nicm 1014: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 1015:
1.39 nicm 1016: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 1017: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 1018:
1.176 nicm 1019: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1020: tty_term_has(tty->term, TTYC_EL) &&
1021: !tty_fake_bce(tty, wp, ctx->bg)) {
1.14 nicm 1022: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 1023: tty_putcode(tty, TTYC_EL);
1024: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1025: tty->cy++;
1026: }
1027: } else {
1.14 nicm 1028: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 1029: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1030: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1031: }
1032: }
1.133 nicm 1033: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 1034: }
1035:
1036: void
1.24 nicm 1037: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1038: {
1.77 nicm 1039: struct window_pane *wp = ctx->wp;
1.12 nicm 1040: struct screen *s = wp->screen;
1.204 nicm 1041: u_int i, j;
1.1 nicm 1042:
1.210 nicm 1043: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1044:
1.39 nicm 1045: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 1046: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 1047:
1.176 nicm 1048: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1049: tty_term_has(tty->term, TTYC_EL) &&
1050: !tty_fake_bce(tty, wp, ctx->bg)) {
1.1 nicm 1051: for (i = 0; i < screen_size_y(s); i++) {
1052: tty_putcode(tty, TTYC_EL);
1053: if (i != screen_size_y(s) - 1) {
1054: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1055: tty->cy++;
1056: }
1057: }
1058: } else {
1059: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1060: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1061: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1062: }
1.4 nicm 1063: }
1064: }
1065:
1066: void
1.24 nicm 1067: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1068: {
1.12 nicm 1069: struct window_pane *wp = ctx->wp;
1070: struct screen *s = wp->screen;
1071: u_int i, j;
1.4 nicm 1072:
1.176 nicm 1073: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1074:
1.39 nicm 1075: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 1076:
1077: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1078: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1079: for (i = 0; i < screen_size_x(s); i++)
1080: tty_putc(tty, 'E');
1.1 nicm 1081: }
1082: }
1083:
1084: void
1.24 nicm 1085: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1086: {
1.46 nicm 1087: struct window_pane *wp = ctx->wp;
1088: struct screen *s = wp->screen;
1.203 nicm 1089: u_int cx, width;
1.46 nicm 1090:
1.203 nicm 1091: if (ctx->ocy == ctx->orlower)
1092: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1093:
1.57 nicm 1094: /* Is the cursor in the very last position? */
1.193 nicm 1095: width = ctx->cell->data.width;
1.102 nicm 1096: if (ctx->ocx > wp->sx - width) {
1.113 nicm 1097: if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57 nicm 1098: /*
1099: * The pane doesn't fill the entire line, the linefeed
1100: * will already have happened, so just move the cursor.
1101: */
1.125 nicm 1102: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 1103: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1104: else
1105: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.57 nicm 1106: } else if (tty->cx < tty->sx) {
1107: /*
1108: * The cursor isn't in the last position already, so
1.102 nicm 1109: * move as far left as possible and redraw the last
1.57 nicm 1110: * cell to move into the last position.
1111: */
1.193 nicm 1112: cx = screen_size_x(s) - ctx->last_cell.data.width;
1.50 nicm 1113: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1.176 nicm 1114: tty_cell(tty, &ctx->last_cell, wp);
1.50 nicm 1115: }
1116: } else
1.46 nicm 1117: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1118:
1.176 nicm 1119: tty_cell(tty, ctx->cell, wp);
1.1 nicm 1120: }
1121:
1122: void
1.24 nicm 1123: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1124: {
1.53 nicm 1125: struct window_pane *wp = ctx->wp;
1.1 nicm 1126:
1.53 nicm 1127: /*
1128: * Cannot rely on not being a partial character, so just redraw the
1129: * whole line.
1130: */
1.176 nicm 1131: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1132: }
1133:
1134: void
1135: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1136: {
1137: char *buf;
1138: size_t off;
1139:
1140: if (!tty_term_has(tty->term, TTYC_MS))
1141: return;
1142:
1143: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1144: buf = xmalloc(off);
1145:
1146: b64_ntop(ctx->ptr, ctx->num, buf, off);
1147: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1148:
1.138 nicm 1149: free(buf);
1.100 nicm 1150: }
1151:
1152: void
1153: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1154: {
1155: u_int i;
1156: u_char *str = ctx->ptr;
1157:
1158: for (i = 0; i < ctx->num; i++)
1159: tty_putc(tty, str[i]);
1.141 nicm 1160:
1161: tty->cx = tty->cy = UINT_MAX;
1162: tty->rupper = tty->rlower = UINT_MAX;
1163:
1.176 nicm 1164: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.141 nicm 1165: tty_cursor(tty, 0, 0);
1.1 nicm 1166: }
1167:
1.207 nicm 1168: static void
1.176 nicm 1169: tty_cell(struct tty *tty, const struct grid_cell *gc,
1170: const struct window_pane *wp)
1.1 nicm 1171: {
1.193 nicm 1172: u_int i;
1.1 nicm 1173:
1174: /* Skip last character if terminal is stupid. */
1.211 ! nicm 1175: if ((tty->term->flags & TERM_EARLYWRAP) &&
! 1176: tty->cy == tty->sy - 1 &&
! 1177: tty->cx == tty->sx - 1)
1.1 nicm 1178: return;
1179:
1180: /* If this is a padding character, do nothing. */
1181: if (gc->flags & GRID_FLAG_PADDING)
1182: return;
1183:
1184: /* Set the attributes. */
1.176 nicm 1185: tty_attributes(tty, gc, wp);
1.1 nicm 1186:
1.147 nicm 1187: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.193 nicm 1188: if (gc->data.size == 1) {
1189: if (*gc->data.data < 0x20 || *gc->data.data == 0x7f)
1.1 nicm 1190: return;
1.193 nicm 1191: tty_putc(tty, *gc->data.data);
1.1 nicm 1192: return;
1193: }
1194:
1.147 nicm 1195: /* If not UTF-8, write _. */
1.1 nicm 1196: if (!(tty->flags & TTY_UTF8)) {
1.193 nicm 1197: for (i = 0; i < gc->data.width; i++)
1.1 nicm 1198: tty_putc(tty, '_');
1199: return;
1200: }
1201:
1.147 nicm 1202: /* Write the data. */
1.193 nicm 1203: tty_putn(tty, gc->data.data, gc->data.size, gc->data.width);
1.1 nicm 1204: }
1205:
1206: void
1207: tty_reset(struct tty *tty)
1208: {
1209: struct grid_cell *gc = &tty->cell;
1210:
1.205 nicm 1211: if (grid_cells_equal(gc, &grid_default_cell))
1.1 nicm 1212: return;
1213:
1.90 nicm 1214: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1215: tty_putcode(tty, TTYC_RMACS);
1216: tty_putcode(tty, TTYC_SGR0);
1217: memcpy(gc, &grid_default_cell, sizeof *gc);
1218: }
1219:
1.40 nicm 1220: /* Set region inside pane. */
1.208 nicm 1221: static void
1.196 nicm 1222: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1223: u_int rlower)
1.1 nicm 1224: {
1.113 nicm 1225: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1226: }
1227:
1.40 nicm 1228: /* Set region at absolute position. */
1.39 nicm 1229: void
1.40 nicm 1230: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1231: {
1232: if (tty->rlower == rlower && tty->rupper == rupper)
1233: return;
1.1 nicm 1234: if (!tty_term_has(tty->term, TTYC_CSR))
1235: return;
1.39 nicm 1236:
1237: tty->rupper = rupper;
1238: tty->rlower = rlower;
1.55 nicm 1239:
1240: /*
1241: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1242: * 0,0 if it is beyond the last column (they do not reset their wrap
1243: * flag so further output causes a line feed). As a workaround, do an
1244: * explicit move to 0 first.
1245: */
1246: if (tty->cx >= tty->sx)
1247: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1248:
1.39 nicm 1249: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1250: tty_cursor(tty, 0, 0);
1.1 nicm 1251: }
1252:
1.42 nicm 1253: /* Move cursor inside pane. */
1.208 nicm 1254: static void
1.41 nicm 1255: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1256: {
1.113 nicm 1257: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1258: }
1259:
1.42 nicm 1260: /* Move cursor to absolute position. */
1.41 nicm 1261: void
1262: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1263: {
1.42 nicm 1264: struct tty_term *term = tty->term;
1265: u_int thisx, thisy;
1266: int change;
1.77 nicm 1267:
1.42 nicm 1268: if (cx > tty->sx - 1)
1269: cx = tty->sx - 1;
1270:
1271: thisx = tty->cx;
1272: thisy = tty->cy;
1273:
1274: /* No change. */
1275: if (cx == thisx && cy == thisy)
1276: return;
1277:
1.43 nicm 1278: /* Very end of the line, just use absolute movement. */
1279: if (thisx > tty->sx - 1)
1280: goto absolute;
1281:
1.42 nicm 1282: /* Move to home position (0, 0). */
1283: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1284: tty_putcode(tty, TTYC_HOME);
1285: goto out;
1286: }
1287:
1288: /* Zero on the next line. */
1.48 nicm 1289: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1290: tty_putc(tty, '\r');
1.42 nicm 1291: tty_putc(tty, '\n');
1292: goto out;
1293: }
1294:
1.45 nicm 1295: /* Moving column or row. */
1.42 nicm 1296: if (cy == thisy) {
1.45 nicm 1297: /*
1298: * Moving column only, row staying the same.
1299: */
1300:
1.42 nicm 1301: /* To left edge. */
1.202 nicm 1302: if (cx == 0) {
1.42 nicm 1303: tty_putc(tty, '\r');
1304: goto out;
1305: }
1306:
1307: /* One to the left. */
1308: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1309: tty_putcode(tty, TTYC_CUB1);
1310: goto out;
1311: }
1312:
1313: /* One to the right. */
1314: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1315: tty_putcode(tty, TTYC_CUF1);
1316: goto out;
1317: }
1318:
1319: /* Calculate difference. */
1320: change = thisx - cx; /* +ve left, -ve right */
1321:
1322: /*
1323: * Use HPA if change is larger than absolute, otherwise move
1324: * the cursor with CUB/CUF.
1325: */
1.87 nicm 1326: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1327: tty_putcode1(tty, TTYC_HPA, cx);
1328: goto out;
1329: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1.202 nicm 1330: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
1331: tty_putcode(tty, TTYC_CUB1);
1332: tty_putcode(tty, TTYC_CUB1);
1333: goto out;
1334: }
1.42 nicm 1335: tty_putcode1(tty, TTYC_CUB, change);
1336: goto out;
1337: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1338: tty_putcode1(tty, TTYC_CUF, -change);
1339: goto out;
1340: }
1.45 nicm 1341: } else if (cx == thisx) {
1342: /*
1343: * Moving row only, column staying the same.
1344: */
1.42 nicm 1345:
1346: /* One above. */
1.77 nicm 1347: if (thisy != tty->rupper &&
1.42 nicm 1348: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1349: tty_putcode(tty, TTYC_CUU1);
1350: goto out;
1351: }
1352:
1353: /* One below. */
1.49 nicm 1354: if (thisy != tty->rlower &&
1.42 nicm 1355: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1356: tty_putcode(tty, TTYC_CUD1);
1357: goto out;
1358: }
1359:
1360: /* Calculate difference. */
1361: change = thisy - cy; /* +ve up, -ve down */
1362:
1363: /*
1.77 nicm 1364: * Try to use VPA if change is larger than absolute or if this
1365: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1366: */
1.87 nicm 1367: if ((u_int) abs(change) > cy ||
1.42 nicm 1368: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1369: (change > 0 && cy - change < tty->rupper)) {
1370: if (tty_term_has(term, TTYC_VPA)) {
1371: tty_putcode1(tty, TTYC_VPA, cy);
1372: goto out;
1373: }
1.42 nicm 1374: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1375: tty_putcode1(tty, TTYC_CUU, change);
1376: goto out;
1377: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1378: tty_putcode1(tty, TTYC_CUD, -change);
1379: goto out;
1380: }
1381: }
1382:
1.43 nicm 1383: absolute:
1.42 nicm 1384: /* Absolute movement. */
1385: tty_putcode2(tty, TTYC_CUP, cy, cx);
1386:
1387: out:
1388: tty->cx = cx;
1389: tty->cy = cy;
1.1 nicm 1390: }
1391:
1392: void
1.176 nicm 1393: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1394: const struct window_pane *wp)
1.1 nicm 1395: {
1.63 nicm 1396: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1397: u_char changed;
1.61 nicm 1398:
1.85 nicm 1399: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 1400: if (wp != NULL)
1401: tty_default_colours(&gc2, wp);
1.63 nicm 1402:
1.18 nicm 1403: /*
1404: * If no setab, try to use the reverse attribute as a best-effort for a
1405: * non-default background. This is a bit of a hack but it doesn't do
1406: * any serious harm and makes a couple of applications happier.
1407: */
1408: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1409: if (gc2.attr & GRID_ATTR_REVERSE) {
1410: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1411: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1412: } else {
1.85 nicm 1413: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1414: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1415: }
1416: }
1.1 nicm 1417:
1.85 nicm 1418: /* Fix up the colours if necessary. */
1419: tty_check_fg(tty, &gc2);
1420: tty_check_bg(tty, &gc2);
1421:
1.64 nicm 1422: /* If any bits are being cleared, reset everything. */
1.85 nicm 1423: if (tc->attr & ~gc2.attr)
1.64 nicm 1424: tty_reset(tty);
1425:
1426: /*
1427: * Set the colours. This may call tty_reset() (so it comes next) and
1428: * may add to (NOT remove) the desired attributes by changing new_attr.
1429: */
1.85 nicm 1430: tty_colours(tty, &gc2);
1.64 nicm 1431:
1.1 nicm 1432: /* Filter out attribute bits already set. */
1.85 nicm 1433: changed = gc2.attr & ~tc->attr;
1434: tc->attr = gc2.attr;
1.1 nicm 1435:
1436: /* Set the attributes. */
1437: if (changed & GRID_ATTR_BRIGHT)
1438: tty_putcode(tty, TTYC_BOLD);
1439: if (changed & GRID_ATTR_DIM)
1440: tty_putcode(tty, TTYC_DIM);
1.180 nicm 1441: if (changed & GRID_ATTR_ITALICS)
1442: tty_set_italics(tty);
1.1 nicm 1443: if (changed & GRID_ATTR_UNDERSCORE)
1444: tty_putcode(tty, TTYC_SMUL);
1445: if (changed & GRID_ATTR_BLINK)
1446: tty_putcode(tty, TTYC_BLINK);
1447: if (changed & GRID_ATTR_REVERSE) {
1448: if (tty_term_has(tty->term, TTYC_REV))
1449: tty_putcode(tty, TTYC_REV);
1450: else if (tty_term_has(tty->term, TTYC_SMSO))
1451: tty_putcode(tty, TTYC_SMSO);
1452: }
1453: if (changed & GRID_ATTR_HIDDEN)
1454: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1455: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1456: tty_putcode(tty, TTYC_SMACS);
1457: }
1458:
1.207 nicm 1459: static void
1.85 nicm 1460: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1461: {
1.61 nicm 1462: struct grid_cell *tc = &tty->cell;
1.204 nicm 1463: int have_ax;
1.61 nicm 1464:
1465: /* No changes? Nothing is necessary. */
1.204 nicm 1466: if (gc->fg == tc->fg && gc->bg == tc->bg)
1.63 nicm 1467: return;
1.1 nicm 1468:
1.61 nicm 1469: /*
1470: * Is either the default colour? This is handled specially because the
1471: * best solution might be to reset both colours to default, in which
1472: * case if only one is default need to fall onward to set the other
1473: * colour.
1474: */
1.204 nicm 1475: if (gc->fg == 8 || gc->bg == 8) {
1.61 nicm 1476: /*
1477: * If don't have AX but do have op, send sgr0 (op can't
1478: * actually be used because it is sometimes the same as sgr0
1479: * and sometimes isn't). This resets both colours to default.
1480: *
1481: * Otherwise, try to set the default colour only as needed.
1482: */
1.174 nicm 1483: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 1484: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1485: tty_reset(tty);
1486: else {
1.204 nicm 1487: if (gc->fg == 8 && tc->fg != 8) {
1.61 nicm 1488: if (have_ax)
1489: tty_puts(tty, "\033[39m");
1.204 nicm 1490: else if (tc->fg != 7)
1.61 nicm 1491: tty_putcode1(tty, TTYC_SETAF, 7);
1492: tc->fg = 8;
1493: }
1.204 nicm 1494: if (gc->bg == 8 && tc->bg != 8) {
1.77 nicm 1495: if (have_ax)
1.61 nicm 1496: tty_puts(tty, "\033[49m");
1.204 nicm 1497: else if (tc->bg != 0)
1.61 nicm 1498: tty_putcode1(tty, TTYC_SETAB, 0);
1499: tc->bg = 8;
1500: }
1501: }
1502: }
1.1 nicm 1503:
1.61 nicm 1504: /* Set the foreground colour. */
1.204 nicm 1505: if (gc->fg != 8 && gc->fg != tc->fg)
1.85 nicm 1506: tty_colours_fg(tty, gc);
1.1 nicm 1507:
1.61 nicm 1508: /*
1509: * Set the background colour. This must come after the foreground as
1510: * tty_colour_fg() can call tty_reset().
1511: */
1.204 nicm 1512: if (gc->bg != 8 && gc->bg != tc->bg)
1.73 nicm 1513: tty_colours_bg(tty, gc);
1.1 nicm 1514: }
1515:
1516: void
1.85 nicm 1517: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1518: {
1.204 nicm 1519: u_char r, g, b;
1520: u_int colours;
1.85 nicm 1521:
1.199 nicm 1522: /* Is this a 24-bit colour? */
1.204 nicm 1523: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 1524: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1525: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1526: colour_split_rgb(gc->fg, &r, &g, &b);
1527: gc->fg = colour_find_rgb(r, g, b);
1528: } else
1.200 nicm 1529: return;
1.199 nicm 1530: }
1.175 nicm 1531: colours = tty_term_number(tty->term, TTYC_COLORS);
1532:
1.85 nicm 1533: /* Is this a 256-colour colour? */
1.204 nicm 1534: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 1535: /* And not a 256 colour mode? */
1.158 nicm 1536: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1537: !(tty->term_flags & TERM_256COLOURS)) {
1538: gc->fg = colour_256to16(gc->fg);
1539: if (gc->fg & 8) {
1540: gc->fg &= 7;
1.175 nicm 1541: if (colours >= 16)
1542: gc->fg += 90;
1543: else
1544: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1545: } else
1546: gc->attr &= ~GRID_ATTR_BRIGHT;
1547: }
1548: return;
1549: }
1550:
1551: /* Is this an aixterm colour? */
1552: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1553: gc->fg -= 90;
1554: gc->attr |= GRID_ATTR_BRIGHT;
1555: }
1556: }
1557:
1558: void
1559: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1560: {
1.204 nicm 1561: u_char r, g, b;
1562: u_int colours;
1.85 nicm 1563:
1.199 nicm 1564: /* Is this a 24-bit colour? */
1.204 nicm 1565: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 1566: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1567: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1568: colour_split_rgb(gc->bg, &r, &g, &b);
1569: gc->bg = colour_find_rgb(r, g, b);
1570: } else
1.200 nicm 1571: return;
1.199 nicm 1572: }
1.175 nicm 1573: colours = tty_term_number(tty->term, TTYC_COLORS);
1574:
1.85 nicm 1575: /* Is this a 256-colour colour? */
1.204 nicm 1576: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 1577: /*
1578: * And not a 256 colour mode? Translate to 16-colour
1579: * palette. Bold background doesn't exist portably, so just
1580: * discard the bold bit if set.
1581: */
1.158 nicm 1582: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1583: !(tty->term_flags & TERM_256COLOURS)) {
1584: gc->bg = colour_256to16(gc->bg);
1.175 nicm 1585: if (gc->bg & 8) {
1.85 nicm 1586: gc->bg &= 7;
1.175 nicm 1587: if (colours >= 16)
1588: gc->fg += 90;
1589: }
1.85 nicm 1590: }
1591: return;
1592: }
1593:
1594: /* Is this an aixterm colour? */
1.175 nicm 1595: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 1596: gc->bg -= 90;
1597: }
1598:
1.207 nicm 1599: static void
1.85 nicm 1600: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1601: {
1.61 nicm 1602: struct grid_cell *tc = &tty->cell;
1.79 nicm 1603: char s[32];
1.1 nicm 1604:
1.204 nicm 1605: /* Is this a 24-bit or 256-colour colour? */
1606: if (gc->fg & COLOUR_FLAG_RGB ||
1607: gc->fg & COLOUR_FLAG_256) {
1608: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 1609: goto save_fg;
1.199 nicm 1610: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 1611: return;
1.1 nicm 1612: }
1613:
1.79 nicm 1614: /* Is this an aixterm bright colour? */
1.204 nicm 1615: if (gc->fg >= 90 && gc->fg <= 97) {
1616: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
1.85 nicm 1617: tty_puts(tty, s);
1618: goto save_fg;
1.79 nicm 1619: }
1620:
1.61 nicm 1621: /* Otherwise set the foreground colour. */
1.204 nicm 1622: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 1623:
1.77 nicm 1624: save_fg:
1.61 nicm 1625: /* Save the new values in the terminal current cell. */
1.204 nicm 1626: tc->fg = gc->fg;
1.1 nicm 1627: }
1628:
1.207 nicm 1629: static void
1.73 nicm 1630: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1631: {
1.61 nicm 1632: struct grid_cell *tc = &tty->cell;
1.79 nicm 1633: char s[32];
1.1 nicm 1634:
1.204 nicm 1635: /* Is this a 24-bit or 256-colour colour? */
1636: if (gc->bg & COLOUR_FLAG_RGB ||
1637: gc->bg & COLOUR_FLAG_256) {
1638: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 1639: goto save_bg;
1.199 nicm 1640: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 1641: return;
1.79 nicm 1642: }
1643:
1644: /* Is this an aixterm bright colour? */
1.204 nicm 1645: if (gc->bg >= 90 && gc->bg <= 97) {
1646: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
1.175 nicm 1647: tty_puts(tty, s);
1648: goto save_bg;
1.1 nicm 1649: }
1650:
1.61 nicm 1651: /* Otherwise set the background colour. */
1.204 nicm 1652: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 1653:
1654: save_bg:
1655: /* Save the new values in the terminal current cell. */
1.204 nicm 1656: tc->bg = gc->bg;
1.61 nicm 1657: }
1658:
1.207 nicm 1659: static int
1.204 nicm 1660: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 1661: {
1.204 nicm 1662: u_char r, g, b;
1.61 nicm 1663: char s[32];
1664:
1.204 nicm 1665: if (colour & COLOUR_FLAG_256) {
1666: /*
1667: * If the user has specified -2 to the client, setaf and setab
1668: * may not work (or they may not want to use them), so send the
1669: * usual sequence.
1670: */
1671: if (tty->term_flags & TERM_256COLOURS)
1672: goto fallback_256;
1.189 nicm 1673:
1.204 nicm 1674: /*
1675: * If the terminfo entry has 256 colours and setaf and setab
1676: * exist, assume that they work correctly.
1677: */
1678: if (tty->term->flags & TERM_256COLOURS) {
1679: if (*type == '3') {
1680: if (!tty_term_has(tty->term, TTYC_SETAF))
1681: goto fallback_256;
1682: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
1683: } else {
1684: if (!tty_term_has(tty->term, TTYC_SETAB))
1685: goto fallback_256;
1686: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
1687: }
1688: return (0);
1.188 nicm 1689: }
1.204 nicm 1690: goto fallback_256;
1691: }
1692:
1693: if (colour & COLOUR_FLAG_RGB) {
1694: if (!tty_term_flag(tty->term, TTYC_TC))
1695: return (-1);
1696:
1697: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1698: xsnprintf(s, sizeof s, "\033[%s;2;%hhu;%hhu;%hhum", type,
1699: r, g, b);
1700: tty_puts(tty, s);
1.165 nicm 1701: return (0);
1702: }
1.61 nicm 1703:
1.165 nicm 1704: return (-1);
1.188 nicm 1705:
1.204 nicm 1706: fallback_256:
1707: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.188 nicm 1708: tty_puts(tty, s);
1709: return (0);
1.176 nicm 1710: }
1711:
1.207 nicm 1712: static void
1.176 nicm 1713: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
1714: {
1.203 nicm 1715: struct window *w = wp->window;
1716: struct options *oo = w->options;
1717: const struct grid_cell *agc, *pgc, *wgc;
1718:
1719: if (w->flags & WINDOW_STYLECHANGED) {
1720: w->flags &= ~WINDOW_STYLECHANGED;
1721: agc = options_get_style(oo, "window-active-style");
1722: memcpy(&w->active_style, agc, sizeof w->active_style);
1723: wgc = options_get_style(oo, "window-style");
1724: memcpy(&w->style, wgc, sizeof w->style);
1725: } else {
1726: agc = &w->active_style;
1727: wgc = &w->style;
1728: }
1.176 nicm 1729: pgc = &wp->colgc;
1730:
1.204 nicm 1731: if (gc->fg == 8) {
1732: if (pgc->fg != 8)
1.176 nicm 1733: gc->fg = pgc->fg;
1.204 nicm 1734: else if (wp == w->active && agc->fg != 8)
1.176 nicm 1735: gc->fg = agc->fg;
1.204 nicm 1736: else
1.176 nicm 1737: gc->fg = wgc->fg;
1738: }
1739:
1.204 nicm 1740: if (gc->bg == 8) {
1741: if (pgc->bg != 8)
1.176 nicm 1742: gc->bg = pgc->bg;
1.204 nicm 1743: else if (wp == w->active && agc->bg != 8)
1.176 nicm 1744: gc->bg = agc->bg;
1.204 nicm 1745: else
1.176 nicm 1746: gc->bg = wgc->bg;
1747: }
1.210 nicm 1748: }
1749:
1750: static void
1751: tty_default_attributes(struct tty *tty, const struct window_pane *wp, u_int bg)
1752: {
1753: static struct grid_cell gc;
1754:
1755: memcpy(&gc, &grid_default_cell, sizeof gc);
1756: gc.bg = bg;
1757: tty_attributes(tty, &gc, wp);
1.1 nicm 1758: }
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