Annotation of src/usr.bin/tmux/tty.c, Revision 1.219
1.219 ! nicm 1: /* $OpenBSD: tty.c,v 1.218 2016/12/07 09:16:55 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:
1.212 nicm 24: #include <curses.h>
1.1 nicm 25: #include <errno.h>
26: #include <fcntl.h>
1.106 nicm 27: #include <resolv.h>
1.42 nicm 28: #include <stdlib.h>
1.1 nicm 29: #include <string.h>
30: #include <termios.h>
31: #include <unistd.h>
32:
33: #include "tmux.h"
34:
1.207 nicm 35: static int tty_log_fd = -1;
1.192 nicm 36:
1.208 nicm 37: static void tty_init_termios(int, struct termios *, struct bufferevent *);
38:
1.207 nicm 39: static void tty_read_callback(struct bufferevent *, void *);
40: static void tty_error_callback(struct bufferevent *, short, void *);
1.66 nicm 41:
1.207 nicm 42: static int tty_client_ready(struct client *, struct window_pane *);
1.201 nicm 43:
1.207 nicm 44: static void tty_set_italics(struct tty *);
45: static int tty_try_colour(struct tty *, int, const char *);
1.208 nicm 46: static void tty_force_cursor_colour(struct tty *, const char *);
47: static void tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int,
48: u_int);
1.207 nicm 49:
50: static void tty_colours(struct tty *, const struct grid_cell *);
1.219 ! nicm 51: static void tty_check_fg(struct tty *, const struct window_pane *,
! 52: struct grid_cell *);
! 53: static void tty_check_bg(struct tty *, const struct window_pane *,
! 54: struct grid_cell *);
1.207 nicm 55: static void tty_colours_fg(struct tty *, const struct grid_cell *);
56: static void tty_colours_bg(struct tty *, const struct grid_cell *);
57:
1.208 nicm 58: static void tty_region_pane(struct tty *, const struct tty_ctx *, u_int,
59: u_int);
1.214 nicm 60: static void tty_region(struct tty *, u_int, u_int);
1.212 nicm 61: static void tty_margin_pane(struct tty *, const struct tty_ctx *);
1.214 nicm 62: static void tty_margin(struct tty *, u_int, u_int);
1.207 nicm 63: static int tty_large_region(struct tty *, const struct tty_ctx *);
1.210 nicm 64: static int tty_fake_bce(const struct tty *, const struct window_pane *,
65: u_int);
1.207 nicm 66: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
67: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
68: enum tty_code_code, u_int);
69: static void tty_repeat_space(struct tty *, u_int);
70: static void tty_cell(struct tty *, const struct grid_cell *,
71: const struct window_pane *);
72: static void tty_default_colours(struct grid_cell *,
73: const struct window_pane *);
1.210 nicm 74: static void tty_default_attributes(struct tty *, const struct window_pane *,
75: u_int);
1.1 nicm 76:
1.90 nicm 77: #define tty_use_acs(tty) \
1.131 nicm 78: (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.212 nicm 79: #define tty_use_margin(tty) \
1.214 nicm 80: ((tty)->term_type == TTY_VT420)
1.90 nicm 81:
1.132 nicm 82: #define tty_pane_full_width(tty, ctx) \
83: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
84:
1.192 nicm 85: void
86: tty_create_log(void)
87: {
88: char name[64];
89:
90: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
91:
92: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
93: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
94: fatal("fcntl failed");
95: }
96:
1.185 nicm 97: int
1.136 nicm 98: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 99: {
1.30 nicm 100: char *path;
101:
1.185 nicm 102: if (!isatty(fd))
103: return (-1);
104:
1.30 nicm 105: memset(tty, 0, sizeof *tty);
1.22 nicm 106:
1.9 nicm 107: if (term == NULL || *term == '\0')
1.1 nicm 108: tty->termname = xstrdup("unknown");
109: else
110: tty->termname = xstrdup(term);
1.30 nicm 111: tty->fd = fd;
1.136 nicm 112: tty->client = c;
1.30 nicm 113:
114: if ((path = ttyname(fd)) == NULL)
1.185 nicm 115: return (-1);
1.30 nicm 116: tty->path = xstrdup(path);
1.108 nicm 117: tty->cstyle = 0;
1.107 nicm 118: tty->ccolour = xstrdup("");
1.30 nicm 119:
1.1 nicm 120: tty->flags = 0;
1.212 nicm 121:
1.1 nicm 122: tty->term_flags = 0;
1.212 nicm 123: tty->term_type = TTY_UNKNOWN;
1.185 nicm 124:
125: return (0);
1.31 nicm 126: }
127:
1.88 nicm 128: int
1.31 nicm 129: tty_resize(struct tty *tty)
130: {
131: struct winsize ws;
1.88 nicm 132: u_int sx, sy;
1.31 nicm 133:
134: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 135: sx = ws.ws_col;
136: if (sx == 0)
137: sx = 80;
138: sy = ws.ws_row;
139: if (sy == 0)
140: sy = 24;
141: } else {
142: sx = 80;
143: sy = 24;
1.31 nicm 144: }
1.114 nicm 145: if (!tty_set_size(tty, sx, sy))
1.88 nicm 146: return (0);
1.31 nicm 147:
148: tty->cx = UINT_MAX;
149: tty->cy = UINT_MAX;
150:
1.212 nicm 151: tty->rupper = tty->rleft = UINT_MAX;
152: tty->rlower = tty->rright = UINT_MAX;
1.88 nicm 153:
154: /*
155: * If the terminal has been started, reset the actual scroll region and
156: * cursor position, as this may not have happened.
157: */
158: if (tty->flags & TTY_STARTED) {
159: tty_cursor(tty, 0, 0);
1.214 nicm 160: tty_region_off(tty);
161: tty_margin_off(tty);
1.88 nicm 162: }
163:
1.114 nicm 164: return (1);
165: }
166:
167: int
1.212 nicm 168: tty_set_size(struct tty *tty, u_int sx, u_int sy)
169: {
1.114 nicm 170: if (sx == tty->sx && sy == tty->sy)
171: return (0);
172: tty->sx = sx;
173: tty->sy = sy;
1.88 nicm 174: return (1);
1.1 nicm 175: }
176:
177: int
1.166 nicm 178: tty_open(struct tty *tty, char **cause)
1.1 nicm 179: {
1.166 nicm 180: tty->term = tty_term_find(tty->termname, tty->fd, cause);
1.21 nicm 181: if (tty->term == NULL) {
182: tty_close(tty);
183: return (-1);
184: }
185: tty->flags |= TTY_OPENED;
1.1 nicm 186:
1.149 nicm 187: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_TIMER);
1.1 nicm 188:
1.196 nicm 189: tty->event = bufferevent_new(tty->fd, tty_read_callback, NULL,
190: tty_error_callback, tty);
1.1 nicm 191:
192: tty_start_tty(tty);
193:
1.148 nicm 194: tty_keys_build(tty);
1.1 nicm 195:
196: return (0);
197: }
198:
1.207 nicm 199: static void
1.194 nicm 200: tty_read_callback(__unused struct bufferevent *bufev, void *data)
1.67 nicm 201: {
202: struct tty *tty = data;
203:
204: while (tty_keys_next(tty))
205: ;
206: }
207:
1.207 nicm 208: static void
1.194 nicm 209: tty_error_callback(__unused struct bufferevent *bufev, __unused short what,
210: __unused void *data)
1.66 nicm 211: {
212: }
213:
1.208 nicm 214: static void
1.127 nicm 215: tty_init_termios(int fd, struct termios *orig_tio, struct bufferevent *bufev)
1.1 nicm 216: {
1.128 nicm 217: struct termios tio;
1.33 nicm 218:
1.127 nicm 219: if (fd == -1 || tcgetattr(fd, orig_tio) != 0)
1.33 nicm 220: return;
1.1 nicm 221:
1.127 nicm 222: setblocking(fd, 0);
1.34 nicm 223:
1.127 nicm 224: if (bufev != NULL)
225: bufferevent_enable(bufev, EV_READ|EV_WRITE);
1.66 nicm 226:
1.127 nicm 227: memcpy(&tio, orig_tio, sizeof tio);
1.1 nicm 228: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
229: tio.c_iflag |= IGNBRK;
230: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
231: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
1.169 jsg 232: ECHOPRT|ECHOKE|ISIG);
1.1 nicm 233: tio.c_cc[VMIN] = 1;
1.60 deraadt 234: tio.c_cc[VTIME] = 0;
1.127 nicm 235: if (tcsetattr(fd, TCSANOW, &tio) == 0)
236: tcflush(fd, TCIOFLUSH);
237: }
238:
239: void
240: tty_start_tty(struct tty *tty)
241: {
242: tty_init_termios(tty->fd, &tty->tio, tty->event);
1.1 nicm 243:
1.10 nicm 244: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 245:
1.25 nicm 246: tty_putcode(tty, TTYC_SGR0);
247: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
248:
1.76 nicm 249: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 250: if (tty_use_acs(tty))
251: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 252: tty_putcode(tty, TTYC_CLEAR);
253:
254: tty_putcode(tty, TTYC_CNORM);
255: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 256: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.121 nicm 257:
1.189 nicm 258: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 259: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 260: tty->flags |= TTY_FOCUS;
261: tty_puts(tty, "\033[?1004h");
262: }
1.212 nicm 263: tty_puts(tty, "\033[c");
1.162 nicm 264: }
1.1 nicm 265:
266: tty->cx = UINT_MAX;
267: tty->cy = UINT_MAX;
268:
1.212 nicm 269: tty->rupper = tty->rleft = UINT_MAX;
270: tty->rlower = tty->rright = UINT_MAX;
1.1 nicm 271:
272: tty->mode = MODE_CURSOR;
1.20 nicm 273:
274: tty->flags |= TTY_STARTED;
1.107 nicm 275:
276: tty_force_cursor_colour(tty, "");
1.177 nicm 277:
278: tty->mouse_drag_flag = 0;
279: tty->mouse_drag_update = NULL;
280: tty->mouse_drag_release = NULL;
1.128 nicm 281: }
282:
283: void
1.1 nicm 284: tty_stop_tty(struct tty *tty)
285: {
286: struct winsize ws;
287:
1.20 nicm 288: if (!(tty->flags & TTY_STARTED))
289: return;
290: tty->flags &= ~TTY_STARTED;
291:
1.66 nicm 292: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
293:
1.1 nicm 294: /*
295: * Be flexible about error handling and try not kill the server just
296: * because the fd is invalid. Things like ssh -t can easily leave us
297: * with a dead tty.
298: */
299: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
300: return;
301: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
302: return;
303:
304: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 305: if (tty_use_acs(tty))
306: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 307: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
308: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
309: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 310: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
311: if (tty_term_has(tty->term, TTYC_SE))
312: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 313: else
1.160 nicm 314: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 315: }
1.173 nicm 316: if (tty->mode & MODE_BRACKETPASTE)
317: tty_raw(tty, "\033[?2004l");
1.107 nicm 318: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 319:
320: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
321: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 322: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.151 nicm 323:
1.189 nicm 324: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 325: if (tty->flags & TTY_FOCUS) {
326: tty->flags &= ~TTY_FOCUS;
1.172 nicm 327: tty_raw(tty, "\033[?1004l");
1.162 nicm 328: }
329: }
1.10 nicm 330:
1.212 nicm 331: if (tty_use_margin(tty))
332: tty_raw(tty, "\033[?69l"); /* DECLRMM */
1.10 nicm 333: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 334:
335: setblocking(tty->fd, 1);
1.1 nicm 336: }
337:
338: void
1.20 nicm 339: tty_close(struct tty *tty)
1.1 nicm 340: {
1.123 nicm 341: if (event_initialized(&tty->key_timer))
342: evtimer_del(&tty->key_timer);
1.20 nicm 343: tty_stop_tty(tty);
1.1 nicm 344:
1.21 nicm 345: if (tty->flags & TTY_OPENED) {
1.66 nicm 346: bufferevent_free(tty->event);
347:
1.21 nicm 348: tty_term_free(tty->term);
349: tty_keys_free(tty);
350:
351: tty->flags &= ~TTY_OPENED;
352: }
1.1 nicm 353:
1.21 nicm 354: if (tty->fd != -1) {
355: close(tty->fd);
356: tty->fd = -1;
357: }
1.1 nicm 358: }
359:
360: void
1.20 nicm 361: tty_free(struct tty *tty)
1.1 nicm 362: {
1.20 nicm 363: tty_close(tty);
1.1 nicm 364:
1.138 nicm 365: free(tty->ccolour);
1.190 nicm 366: free(tty->path);
367: free(tty->termname);
1.1 nicm 368: }
369:
370: void
1.212 nicm 371: tty_set_type(struct tty *tty, int type)
372: {
373: tty->term_type = type;
374:
375: if (tty_use_margin(tty))
376: tty_puts(tty, "\033[?69h"); /* DECLRMM */
377: }
378:
379: void
1.1 nicm 380: tty_raw(struct tty *tty, const char *s)
381: {
1.150 nicm 382: ssize_t n, slen;
383: u_int i;
384:
385: slen = strlen(s);
386: for (i = 0; i < 5; i++) {
387: n = write(tty->fd, s, slen);
388: if (n >= 0) {
389: s += n;
390: slen -= n;
391: if (slen == 0)
392: break;
393: } else if (n == -1 && errno != EAGAIN)
394: break;
395: usleep(100);
396: }
1.1 nicm 397: }
398:
399: void
400: tty_putcode(struct tty *tty, enum tty_code_code code)
401: {
402: tty_puts(tty, tty_term_string(tty->term, code));
403: }
404:
405: void
406: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
407: {
408: if (a < 0)
409: return;
410: tty_puts(tty, tty_term_string1(tty->term, code, a));
411: }
412:
413: void
414: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
415: {
416: if (a < 0 || b < 0)
417: return;
418: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
419: }
420:
421: void
1.107 nicm 422: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
423: {
424: if (a != NULL)
425: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
426: }
427:
428: void
1.167 nicm 429: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
430: const void *b)
1.106 nicm 431: {
432: if (a != NULL && b != NULL)
433: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
434: }
435:
436: void
1.1 nicm 437: tty_puts(struct tty *tty, const char *s)
438: {
439: if (*s == '\0')
440: return;
1.66 nicm 441: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 442:
1.192 nicm 443: if (tty_log_fd != -1)
444: write(tty_log_fd, s, strlen(s));
1.1 nicm 445: }
446:
447: void
448: tty_putc(struct tty *tty, u_char ch)
449: {
1.90 nicm 450: const char *acs;
1.1 nicm 451:
1.90 nicm 452: if (tty->cell.attr & GRID_ATTR_CHARSET) {
453: acs = tty_acs_get(tty, ch);
454: if (acs != NULL)
455: bufferevent_write(tty->event, acs, strlen(acs));
456: else
457: bufferevent_write(tty->event, &ch, 1);
458: } else
459: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 460:
461: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 462: if (tty->cx >= tty->sx) {
1.46 nicm 463: tty->cx = 1;
464: if (tty->cy != tty->rlower)
465: tty->cy++;
1.211 nicm 466:
467: /*
468: * On !xenl terminals, force the cursor position to
469: * where we think it should be after a line wrap - this
470: * means it works on sensible terminals as well.
471: */
472: if (tty->term->flags & TERM_EARLYWRAP)
473: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 474: } else
475: tty->cx++;
476: }
477:
1.192 nicm 478: if (tty_log_fd != -1)
479: write(tty_log_fd, &ch, 1);
1.1 nicm 480: }
481:
482: void
1.147 nicm 483: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 484: {
1.147 nicm 485: bufferevent_write(tty->event, buf, len);
1.192 nicm 486: if (tty_log_fd != -1)
487: write(tty_log_fd, buf, len);
1.147 nicm 488: tty->cx += width;
1.5 nicm 489: }
490:
1.207 nicm 491: static void
1.180 nicm 492: tty_set_italics(struct tty *tty)
493: {
494: const char *s;
495:
496: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 497: s = options_get_string(global_options, "default-terminal");
1.180 nicm 498: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
499: tty_putcode(tty, TTYC_SITM);
500: return;
501: }
502: }
503: tty_putcode(tty, TTYC_SMSO);
504: }
505:
506: void
1.1 nicm 507: tty_set_title(struct tty *tty, const char *title)
508: {
1.105 nicm 509: if (!tty_term_has(tty->term, TTYC_TSL) ||
510: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 511: return;
512:
1.105 nicm 513: tty_putcode(tty, TTYC_TSL);
1.1 nicm 514: tty_puts(tty, title);
1.105 nicm 515: tty_putcode(tty, TTYC_FSL);
1.1 nicm 516: }
517:
1.208 nicm 518: static void
1.107 nicm 519: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
520: {
521: if (*ccolour == '\0')
522: tty_putcode(tty, TTYC_CR);
523: else
1.160 nicm 524: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 525: free(tty->ccolour);
1.107 nicm 526: tty->ccolour = xstrdup(ccolour);
527: }
528:
529: void
530: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 531: {
532: int changed;
533:
1.197 nicm 534: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 535: tty_force_cursor_colour(tty, s->ccolour);
536:
1.1 nicm 537: if (tty->flags & TTY_NOCURSOR)
538: mode &= ~MODE_CURSOR;
539:
540: changed = mode ^ tty->mode;
1.183 nicm 541: if (changed & MODE_BLINKING) {
542: if (tty_term_has(tty->term, TTYC_CVVIS))
543: tty_putcode(tty, TTYC_CVVIS);
544: else
545: tty_putcode(tty, TTYC_CNORM);
546: changed |= MODE_CURSOR;
547: }
548: if (changed & MODE_CURSOR) {
549: if (mode & MODE_CURSOR)
550: tty_putcode(tty, TTYC_CNORM);
551: else
1.1 nicm 552: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 553: }
1.181 nicm 554: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 555: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 556: if (s->cstyle == 0 &&
1.160 nicm 557: tty_term_has(tty->term, TTYC_SE))
558: tty_putcode(tty, TTYC_SE);
1.108 nicm 559: else
1.160 nicm 560: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 561: }
562: tty->cstyle = s->cstyle;
1.1 nicm 563: }
1.195 nicm 564: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 565: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 566: /*
567: * Enable the SGR (1006) extension unconditionally, as
568: * this is safe from misinterpretation. Do it in this
569: * order, because in some terminals it's the last one
570: * that takes effect and SGR is the preferred one.
571: */
572: tty_puts(tty, "\033[?1006h");
1.170 nicm 573: if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 574: tty_puts(tty, "\033[?1002h");
1.98 nicm 575: else if (mode & MODE_MOUSE_STANDARD)
576: tty_puts(tty, "\033[?1000h");
1.86 nicm 577: } else {
1.170 nicm 578: if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 579: tty_puts(tty, "\033[?1002l");
1.98 nicm 580: else if (tty->mode & MODE_MOUSE_STANDARD)
581: tty_puts(tty, "\033[?1000l");
1.153 nicm 582: tty_puts(tty, "\033[?1006l");
1.86 nicm 583: }
1.76 nicm 584: }
585: if (changed & MODE_KKEYPAD) {
586: if (mode & MODE_KKEYPAD)
587: tty_putcode(tty, TTYC_SMKX);
588: else
589: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 590: }
591: if (changed & MODE_BRACKETPASTE) {
592: if (mode & MODE_BRACKETPASTE)
593: tty_puts(tty, "\033[?2004h");
594: else
595: tty_puts(tty, "\033[?2004l");
1.1 nicm 596: }
597: tty->mode = mode;
598: }
599:
1.207 nicm 600: static void
1.168 nicm 601: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
602: enum tty_code_code code1, u_int n)
1.1 nicm 603: {
604: if (tty_term_has(tty->term, code))
605: tty_putcode1(tty, code, n);
606: else {
607: while (n-- > 0)
608: tty_putcode(tty, code1);
609: }
610: }
611:
1.207 nicm 612: static void
1.133 nicm 613: tty_repeat_space(struct tty *tty, u_int n)
614: {
615: while (n-- > 0)
616: tty_putc(tty, ' ');
617: }
618:
1.1 nicm 619: /*
1.119 nicm 620: * Is the region large enough to be worth redrawing once later rather than
621: * probably several times now? Currently yes if it is more than 50% of the
622: * pane.
623: */
1.207 nicm 624: static int
1.194 nicm 625: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 626: {
627: struct window_pane *wp = ctx->wp;
628:
629: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
630: }
631:
632: /*
1.176 nicm 633: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
634: * emulated.
635: */
1.207 nicm 636: static int
1.210 nicm 637: tty_fake_bce(const struct tty *tty, const struct window_pane *wp, u_int bg)
1.176 nicm 638: {
639: struct grid_cell gc;
640:
1.210 nicm 641: if (tty_term_flag(tty->term, TTYC_BCE))
642: return (0);
643:
1.176 nicm 644: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 645: if (wp != NULL)
646: tty_default_colours(&gc, wp);
1.176 nicm 647:
1.210 nicm 648: if (bg != 8 || gc.bg != 8)
649: return (1);
650: return (0);
1.176 nicm 651: }
652:
653: /*
1.1 nicm 654: * Redraw scroll region using data from screen (already updated). Used when
655: * CSR not supported, or window is a pane that doesn't take up the full
656: * width of the terminal.
657: */
1.207 nicm 658: static void
1.24 nicm 659: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 660: {
1.14 nicm 661: struct window_pane *wp = ctx->wp;
662: struct screen *s = wp->screen;
1.204 nicm 663: u_int i;
1.1 nicm 664:
665: /*
1.119 nicm 666: * If region is large, schedule a window redraw. In most cases this is
667: * likely to be followed by some more scrolling.
1.1 nicm 668: */
1.119 nicm 669: if (tty_large_region(tty, ctx)) {
1.1 nicm 670: wp->flags |= PANE_REDRAW;
671: return;
672: }
673:
1.14 nicm 674: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
675: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176 nicm 676: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 677: } else {
1.14 nicm 678: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176 nicm 679: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 680: }
681: }
682:
683: void
1.176 nicm 684: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
685: u_int oy)
686: {
687: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
688: }
689:
690: void
691: tty_draw_line(struct tty *tty, const struct window_pane *wp,
692: struct screen *s, u_int py, u_int ox, u_int oy)
1.1 nicm 693: {
1.209 nicm 694: struct grid_cell gc, tmp_gc;
1.46 nicm 695: struct grid_line *gl;
1.1 nicm 696: u_int i, sx;
1.181 nicm 697: int flags;
1.1 nicm 698:
1.181 nicm 699: flags = tty->flags & TTY_NOCURSOR;
700: tty->flags |= TTY_NOCURSOR;
701: tty_update_mode(tty, tty->mode, s);
1.35 nicm 702:
1.214 nicm 703: tty_region_off(tty);
704: tty_margin_off(tty);
705:
1.1 nicm 706: sx = screen_size_x(s);
1.19 nicm 707: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
708: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 709: if (sx > tty->sx)
710: sx = tty->sx;
711:
1.46 nicm 712: /*
1.174 nicm 713: * Don't move the cursor to the start position if it will wrap there
1.50 nicm 714: * itself.
1.46 nicm 715: */
716: gl = NULL;
717: if (py != 0)
718: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 719: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 720: tty->cx < tty->sx || ox != 0 ||
721: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 722: tty_cursor(tty, ox, oy + py);
723:
1.1 nicm 724: for (i = 0; i < sx; i++) {
1.193 nicm 725: grid_view_get_cell(s->grid, i, py, &gc);
1.209 nicm 726: if (gc.flags & GRID_FLAG_SELECTED) {
727: screen_select_cell(s, &tmp_gc, &gc);
728: tty_cell(tty, &tmp_gc, wp);
729: } else
730: tty_cell(tty, &gc, wp);
1.1 nicm 731: }
732:
1.181 nicm 733: if (sx < tty->sx) {
1.210 nicm 734: tty_default_attributes(tty, wp, 8);
1.181 nicm 735:
736: tty_cursor(tty, ox + sx, oy + py);
737: if (sx != screen_size_x(s) &&
738: ox + screen_size_x(s) >= tty->sx &&
739: tty_term_has(tty->term, TTYC_EL) &&
1.210 nicm 740: !tty_fake_bce(tty, wp, 8))
1.181 nicm 741: tty_putcode(tty, TTYC_EL);
742: else
743: tty_repeat_space(tty, screen_size_x(s) - sx);
1.35 nicm 744: }
1.1 nicm 745:
1.181 nicm 746: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 747: tty_update_mode(tty, tty->mode, s);
1.15 nicm 748: }
749:
1.201 nicm 750: static int
1.182 nicm 751: tty_client_ready(struct client *c, struct window_pane *wp)
752: {
753: if (c->session == NULL || c->tty.term == NULL)
754: return (0);
755: if (c->flags & CLIENT_SUSPENDED)
756: return (0);
757: if (c->tty.flags & TTY_FREEZE)
758: return (0);
759: if (c->session->curw->window != wp->window)
760: return (0);
761: return (1);
762: }
763:
1.15 nicm 764: void
1.182 nicm 765: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
766: struct tty_ctx *ctx)
1.15 nicm 767: {
768: struct window_pane *wp = ctx->wp;
769: struct client *c;
770:
1.75 nicm 771: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 772: if (wp == NULL)
773: return;
774:
775: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
776: return;
1.129 nicm 777: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 778: return;
779:
1.178 nicm 780: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 781: if (!tty_client_ready(c, wp))
1.15 nicm 782: continue;
783:
1.139 nicm 784: ctx->xoff = wp->xoff;
785: ctx->yoff = wp->yoff;
786: if (status_at_line(c) == 0)
787: ctx->yoff++;
1.113 nicm 788:
1.139 nicm 789: cmdfn(&c->tty, ctx);
1.1 nicm 790: }
791: }
792:
793: void
1.24 nicm 794: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 795: {
1.77 nicm 796: struct window_pane *wp = ctx->wp;
1.1 nicm 797:
1.210 nicm 798: if (!tty_pane_full_width(tty, ctx) ||
799: tty_fake_bce(tty, wp, ctx->bg) ||
800: (!tty_term_has(tty->term, TTYC_ICH) &&
801: !tty_term_has(tty->term, TTYC_ICH1))) {
1.176 nicm 802: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 803: return;
804: }
805:
1.210 nicm 806: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 807:
1.77 nicm 808: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 809:
1.206 nicm 810: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 811: }
812:
813: void
1.24 nicm 814: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 815: {
1.77 nicm 816: struct window_pane *wp = ctx->wp;
1.1 nicm 817:
1.210 nicm 818: if (!tty_pane_full_width(tty, ctx) ||
819: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 820: (!tty_term_has(tty->term, TTYC_DCH) &&
821: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 822: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 823: return;
824: }
825:
1.210 nicm 826: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 827:
1.77 nicm 828: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 829:
1.206 nicm 830: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 831: }
832:
833: void
834: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
835: {
836: u_int i;
837:
1.176 nicm 838: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.146 nicm 839:
840: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
841:
1.210 nicm 842: if (tty_term_has(tty->term, TTYC_ECH) &&
843: !tty_fake_bce(tty, ctx->wp, ctx->bg))
1.146 nicm 844: tty_putcode1(tty, TTYC_ECH, ctx->num);
845: else {
846: for (i = 0; i < ctx->num; i++)
847: tty_putc(tty, ' ');
848: }
1.1 nicm 849: }
850:
851: void
1.24 nicm 852: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 853: {
1.210 nicm 854: if (!tty_pane_full_width(tty, ctx) ||
855: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 856: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 857: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 858: tty_redraw_region(tty, ctx);
1.1 nicm 859: return;
860: }
861:
1.210 nicm 862: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 863:
1.77 nicm 864: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 865: tty_margin_off(tty);
1.77 nicm 866: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 867:
1.12 nicm 868: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 869: }
870:
871: void
1.24 nicm 872: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 873: {
1.210 nicm 874: if (!tty_pane_full_width(tty, ctx) ||
875: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 876: !tty_term_has(tty->term, TTYC_CSR) ||
877: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 878: tty_redraw_region(tty, ctx);
1.1 nicm 879: return;
880: }
881:
1.210 nicm 882: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 883:
1.77 nicm 884: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 885: tty_margin_off(tty);
1.77 nicm 886: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 887:
1.12 nicm 888: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 889: }
890:
891: void
1.24 nicm 892: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 893: {
1.77 nicm 894: struct window_pane *wp = ctx->wp;
1.12 nicm 895: struct screen *s = wp->screen;
1.1 nicm 896:
1.210 nicm 897: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 898:
1.77 nicm 899: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 900:
1.210 nicm 901: if (tty_pane_full_width(tty, ctx) &&
902: !tty_fake_bce(tty, wp, ctx->bg) &&
1.176 nicm 903: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 904: tty_putcode(tty, TTYC_EL);
1.133 nicm 905: else
906: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 907: }
908:
909: void
1.24 nicm 910: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 911: {
1.77 nicm 912: struct window_pane *wp = ctx->wp;
1.12 nicm 913: struct screen *s = wp->screen;
1.1 nicm 914:
1.210 nicm 915: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 916:
1.41 nicm 917: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
918:
1.176 nicm 919: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 920: tty_term_has(tty->term, TTYC_EL) &&
921: !tty_fake_bce(tty, wp, ctx->bg))
1.1 nicm 922: tty_putcode(tty, TTYC_EL);
1.133 nicm 923: else
924: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.1 nicm 925: }
926:
927: void
1.24 nicm 928: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 929: {
1.210 nicm 930: struct window_pane *wp = ctx->wp;
931:
932: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 933:
1.210 nicm 934: if (ctx->xoff == 0 &&
935: tty_term_has(tty->term, TTYC_EL1) &&
936: !tty_fake_bce(tty, ctx->wp, ctx->bg)) {
1.41 nicm 937: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 938: tty_putcode(tty, TTYC_EL1);
939: } else {
1.41 nicm 940: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 941: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 942: }
943: }
944:
945: void
1.24 nicm 946: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 947: {
1.56 nicm 948: if (ctx->ocy != ctx->orupper)
949: return;
950:
1.210 nicm 951: if (!tty_pane_full_width(tty, ctx) ||
952: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.70 nicm 953: !tty_term_has(tty->term, TTYC_CSR) ||
954: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 955: tty_redraw_region(tty, ctx);
1.1 nicm 956: return;
957: }
958:
1.176 nicm 959: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.77 nicm 960:
1.56 nicm 961: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 962: tty_margin_off(tty);
1.56 nicm 963: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 964:
1.56 nicm 965: tty_putcode(tty, TTYC_RI);
1.1 nicm 966: }
967:
968: void
1.24 nicm 969: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 970: {
1.77 nicm 971: struct window_pane *wp = ctx->wp;
1.1 nicm 972:
1.56 nicm 973: if (ctx->ocy != ctx->orlower)
974: return;
975:
1.212 nicm 976: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.210 nicm 977: tty_fake_bce(tty, wp, ctx->bg) ||
1.1 nicm 978: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 979: if (tty_large_region(tty, ctx))
980: wp->flags |= PANE_REDRAW;
1.140 nicm 981: else
1.128 nicm 982: tty_redraw_region(tty, ctx);
1.1 nicm 983: return;
984: }
1.52 nicm 985:
986: /*
1.212 nicm 987: * If this line wrapped naturally (ctx->num is nonzero) and we are not
988: * using margins, don't do anything - the cursor can just be moved
989: * to the last cell and wrap naturally.
1.52 nicm 990: */
1.214 nicm 991: if ((!tty_use_margin(tty) ||
992: tty_pane_full_width(tty, ctx)) &&
1.212 nicm 993: ctx->num != 0 &&
1.216 nicm 994: !(tty->term->flags & TERM_EARLYWRAP))
1.52 nicm 995: return;
1.1 nicm 996:
1.176 nicm 997: tty_attributes(tty, &grid_default_cell, wp);
1.77 nicm 998:
1.56 nicm 999: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1000: tty_margin_pane(tty, ctx);
1001:
1002: /*
1003: * If we want to wrap a pane, the cursor needs to be exactly on the
1004: * right of the region. But if the pane isn't on the right, it may be
1005: * off the edge - if so, move the cursor back to the right.
1006: */
1007: if (ctx->xoff + ctx->ocx > tty->rright)
1.216 nicm 1008: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1.212 nicm 1009: else
1010: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1011:
1.56 nicm 1012: tty_putc(tty, '\n');
1.1 nicm 1013: }
1014:
1015: void
1.24 nicm 1016: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1017: {
1.77 nicm 1018: struct window_pane *wp = ctx->wp;
1.12 nicm 1019: struct screen *s = wp->screen;
1.204 nicm 1020: u_int i, j;
1.1 nicm 1021:
1.210 nicm 1022: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1023:
1.39 nicm 1024: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1025: tty_margin_off(tty);
1.41 nicm 1026: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 1027:
1.176 nicm 1028: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1029: tty_term_has(tty->term, TTYC_EL) &&
1030: !tty_fake_bce(tty, wp, ctx->bg)) {
1.1 nicm 1031: tty_putcode(tty, TTYC_EL);
1.14 nicm 1032: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 1033: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 1034: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 1035: tty_putcode(tty, TTYC_EL);
1036: if (i == screen_size_y(s) - 1)
1037: continue;
1038: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1039: tty->cy++;
1040: }
1041: }
1042: } else {
1.133 nicm 1043: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.68 nicm 1044: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 1045: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1046: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1047: }
1048: }
1049: }
1050:
1051: void
1.24 nicm 1052: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1053: {
1.77 nicm 1054: struct window_pane *wp = ctx->wp;
1.12 nicm 1055: struct screen *s = wp->screen;
1.204 nicm 1056: u_int i, j;
1.1 nicm 1057:
1.176 nicm 1058: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 1059:
1.39 nicm 1060: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1061: tty_margin_off(tty);
1.41 nicm 1062: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 1063:
1.176 nicm 1064: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1065: tty_term_has(tty->term, TTYC_EL) &&
1066: !tty_fake_bce(tty, wp, ctx->bg)) {
1.14 nicm 1067: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 1068: tty_putcode(tty, TTYC_EL);
1069: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1070: tty->cy++;
1071: }
1072: } else {
1.14 nicm 1073: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 1074: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1075: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1076: }
1077: }
1.133 nicm 1078: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 1079: }
1080:
1081: void
1.24 nicm 1082: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1083: {
1.77 nicm 1084: struct window_pane *wp = ctx->wp;
1.12 nicm 1085: struct screen *s = wp->screen;
1.204 nicm 1086: u_int i, j;
1.1 nicm 1087:
1.210 nicm 1088: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1089:
1.39 nicm 1090: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1091: tty_margin_off(tty);
1.41 nicm 1092: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 1093:
1.176 nicm 1094: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1095: tty_term_has(tty->term, TTYC_EL) &&
1096: !tty_fake_bce(tty, wp, ctx->bg)) {
1.1 nicm 1097: for (i = 0; i < screen_size_y(s); i++) {
1098: tty_putcode(tty, TTYC_EL);
1099: if (i != screen_size_y(s) - 1) {
1100: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1101: tty->cy++;
1102: }
1103: }
1104: } else {
1105: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1106: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1107: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1108: }
1.4 nicm 1109: }
1110: }
1111:
1112: void
1.24 nicm 1113: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1114: {
1.12 nicm 1115: struct window_pane *wp = ctx->wp;
1116: struct screen *s = wp->screen;
1117: u_int i, j;
1.4 nicm 1118:
1.176 nicm 1119: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1120:
1.39 nicm 1121: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1122: tty_margin_off(tty);
1.4 nicm 1123:
1124: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1125: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1126: for (i = 0; i < screen_size_x(s); i++)
1127: tty_putc(tty, 'E');
1.1 nicm 1128: }
1129: }
1130:
1131: void
1.24 nicm 1132: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1133: {
1.46 nicm 1134: struct window_pane *wp = ctx->wp;
1135: struct screen *s = wp->screen;
1.203 nicm 1136: u_int cx, width;
1.46 nicm 1137:
1.215 nicm 1138: if (ctx->xoff + ctx->ocx > tty->sx - 1 &&
1.216 nicm 1139: ctx->ocy == ctx->orlower &&
1.215 nicm 1140: tty_pane_full_width(tty, ctx))
1.203 nicm 1141: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.215 nicm 1142: else
1143: tty_region_off(tty);
1.214 nicm 1144: tty_margin_off(tty);
1.46 nicm 1145:
1.57 nicm 1146: /* Is the cursor in the very last position? */
1.193 nicm 1147: width = ctx->cell->data.width;
1.102 nicm 1148: if (ctx->ocx > wp->sx - width) {
1.216 nicm 1149: if (!tty_pane_full_width(tty, ctx)) {
1.57 nicm 1150: /*
1151: * The pane doesn't fill the entire line, the linefeed
1152: * will already have happened, so just move the cursor.
1153: */
1.125 nicm 1154: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 1155: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1156: else
1157: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.218 nicm 1158: } else if (tty->cy != ctx->yoff + ctx->ocy ||
1159: tty->cx < tty->sx) {
1.57 nicm 1160: /*
1161: * The cursor isn't in the last position already, so
1.216 nicm 1162: * move as far right as possible and redraw the last
1.57 nicm 1163: * cell to move into the last position.
1164: */
1.193 nicm 1165: cx = screen_size_x(s) - ctx->last_cell.data.width;
1.50 nicm 1166: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1.176 nicm 1167: tty_cell(tty, &ctx->last_cell, wp);
1.50 nicm 1168: }
1169: } else
1.46 nicm 1170: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1171:
1.176 nicm 1172: tty_cell(tty, ctx->cell, wp);
1.1 nicm 1173: }
1174:
1175: void
1.24 nicm 1176: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1177: {
1.53 nicm 1178: struct window_pane *wp = ctx->wp;
1.1 nicm 1179:
1.53 nicm 1180: /*
1181: * Cannot rely on not being a partial character, so just redraw the
1182: * whole line.
1183: */
1.176 nicm 1184: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1185: }
1186:
1187: void
1188: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1189: {
1190: char *buf;
1191: size_t off;
1192:
1193: if (!tty_term_has(tty->term, TTYC_MS))
1194: return;
1195:
1196: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1197: buf = xmalloc(off);
1198:
1199: b64_ntop(ctx->ptr, ctx->num, buf, off);
1200: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1201:
1.138 nicm 1202: free(buf);
1.100 nicm 1203: }
1204:
1205: void
1206: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1207: {
1208: u_int i;
1209: u_char *str = ctx->ptr;
1210:
1211: for (i = 0; i < ctx->num; i++)
1212: tty_putc(tty, str[i]);
1.141 nicm 1213:
1214: tty->cx = tty->cy = UINT_MAX;
1215: tty->rupper = tty->rlower = UINT_MAX;
1216:
1.176 nicm 1217: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.141 nicm 1218: tty_cursor(tty, 0, 0);
1.1 nicm 1219: }
1220:
1.207 nicm 1221: static void
1.176 nicm 1222: tty_cell(struct tty *tty, const struct grid_cell *gc,
1223: const struct window_pane *wp)
1.1 nicm 1224: {
1.193 nicm 1225: u_int i;
1.1 nicm 1226:
1227: /* Skip last character if terminal is stupid. */
1.211 nicm 1228: if ((tty->term->flags & TERM_EARLYWRAP) &&
1229: tty->cy == tty->sy - 1 &&
1230: tty->cx == tty->sx - 1)
1.1 nicm 1231: return;
1232:
1233: /* If this is a padding character, do nothing. */
1234: if (gc->flags & GRID_FLAG_PADDING)
1235: return;
1236:
1237: /* Set the attributes. */
1.176 nicm 1238: tty_attributes(tty, gc, wp);
1.1 nicm 1239:
1.147 nicm 1240: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.193 nicm 1241: if (gc->data.size == 1) {
1242: if (*gc->data.data < 0x20 || *gc->data.data == 0x7f)
1.1 nicm 1243: return;
1.193 nicm 1244: tty_putc(tty, *gc->data.data);
1.1 nicm 1245: return;
1246: }
1247:
1.147 nicm 1248: /* If not UTF-8, write _. */
1.1 nicm 1249: if (!(tty->flags & TTY_UTF8)) {
1.193 nicm 1250: for (i = 0; i < gc->data.width; i++)
1.1 nicm 1251: tty_putc(tty, '_');
1252: return;
1253: }
1254:
1.147 nicm 1255: /* Write the data. */
1.193 nicm 1256: tty_putn(tty, gc->data.data, gc->data.size, gc->data.width);
1.1 nicm 1257: }
1258:
1259: void
1260: tty_reset(struct tty *tty)
1261: {
1262: struct grid_cell *gc = &tty->cell;
1263:
1.205 nicm 1264: if (grid_cells_equal(gc, &grid_default_cell))
1.1 nicm 1265: return;
1266:
1.90 nicm 1267: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1268: tty_putcode(tty, TTYC_RMACS);
1269: tty_putcode(tty, TTYC_SGR0);
1270: memcpy(gc, &grid_default_cell, sizeof *gc);
1271: }
1272:
1.214 nicm 1273: /* Turn off margin. */
1274: void
1275: tty_region_off(struct tty *tty)
1276: {
1277: tty_region(tty, 0, tty->sy - 1);
1278: }
1279:
1.40 nicm 1280: /* Set region inside pane. */
1.208 nicm 1281: static void
1.196 nicm 1282: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1283: u_int rlower)
1.1 nicm 1284: {
1.113 nicm 1285: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1286: }
1287:
1.40 nicm 1288: /* Set region at absolute position. */
1.214 nicm 1289: static void
1.40 nicm 1290: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1291: {
1292: if (tty->rlower == rlower && tty->rupper == rupper)
1293: return;
1.1 nicm 1294: if (!tty_term_has(tty->term, TTYC_CSR))
1295: return;
1.39 nicm 1296:
1297: tty->rupper = rupper;
1298: tty->rlower = rlower;
1.55 nicm 1299:
1300: /*
1301: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1302: * 0,0 if it is beyond the last column (they do not reset their wrap
1303: * flag so further output causes a line feed). As a workaround, do an
1304: * explicit move to 0 first.
1305: */
1306: if (tty->cx >= tty->sx)
1307: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1308:
1.39 nicm 1309: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.212 nicm 1310: tty_cursor(tty, 0, 0);
1311: }
1312:
1.214 nicm 1313: /* Turn off margin. */
1314: void
1315: tty_margin_off(struct tty *tty)
1316: {
1317: tty_margin(tty, 0, tty->sx - 1);
1318: }
1319:
1.212 nicm 1320: /* Set margin inside pane. */
1321: static void
1322: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
1323: {
1324: tty_margin(tty, ctx->xoff, ctx->xoff + ctx->wp->sx - 1);
1325: }
1326:
1327: /* Set margin at absolute position. */
1.214 nicm 1328: static void
1.212 nicm 1329: tty_margin(struct tty *tty, u_int rleft, u_int rright)
1330: {
1331: char s[64];
1332:
1333: if (!tty_use_margin(tty))
1334: return;
1335: if (tty->rleft == rleft && tty->rright == rright)
1336: return;
1337:
1338: tty->rleft = rleft;
1339: tty->rright = rright;
1340:
1341: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1342: tty_puts(tty, s);
1.78 nicm 1343: tty_cursor(tty, 0, 0);
1.1 nicm 1344: }
1345:
1.42 nicm 1346: /* Move cursor inside pane. */
1.208 nicm 1347: static void
1.41 nicm 1348: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1349: {
1.113 nicm 1350: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1351: }
1352:
1.42 nicm 1353: /* Move cursor to absolute position. */
1.41 nicm 1354: void
1355: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1356: {
1.42 nicm 1357: struct tty_term *term = tty->term;
1358: u_int thisx, thisy;
1359: int change;
1.77 nicm 1360:
1.42 nicm 1361: if (cx > tty->sx - 1)
1362: cx = tty->sx - 1;
1363:
1364: thisx = tty->cx;
1365: thisy = tty->cy;
1366:
1367: /* No change. */
1368: if (cx == thisx && cy == thisy)
1369: return;
1370:
1.43 nicm 1371: /* Very end of the line, just use absolute movement. */
1372: if (thisx > tty->sx - 1)
1373: goto absolute;
1374:
1.42 nicm 1375: /* Move to home position (0, 0). */
1376: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1377: tty_putcode(tty, TTYC_HOME);
1378: goto out;
1379: }
1380:
1381: /* Zero on the next line. */
1.48 nicm 1382: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1383: tty_putc(tty, '\r');
1.42 nicm 1384: tty_putc(tty, '\n');
1385: goto out;
1386: }
1387:
1.45 nicm 1388: /* Moving column or row. */
1.42 nicm 1389: if (cy == thisy) {
1.45 nicm 1390: /*
1391: * Moving column only, row staying the same.
1392: */
1393:
1.42 nicm 1394: /* To left edge. */
1.202 nicm 1395: if (cx == 0) {
1.42 nicm 1396: tty_putc(tty, '\r');
1397: goto out;
1398: }
1399:
1400: /* One to the left. */
1401: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1402: tty_putcode(tty, TTYC_CUB1);
1403: goto out;
1404: }
1405:
1406: /* One to the right. */
1407: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1408: tty_putcode(tty, TTYC_CUF1);
1409: goto out;
1410: }
1411:
1412: /* Calculate difference. */
1413: change = thisx - cx; /* +ve left, -ve right */
1414:
1415: /*
1416: * Use HPA if change is larger than absolute, otherwise move
1417: * the cursor with CUB/CUF.
1418: */
1.87 nicm 1419: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1420: tty_putcode1(tty, TTYC_HPA, cx);
1421: goto out;
1422: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1.202 nicm 1423: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
1424: tty_putcode(tty, TTYC_CUB1);
1425: tty_putcode(tty, TTYC_CUB1);
1426: goto out;
1427: }
1.42 nicm 1428: tty_putcode1(tty, TTYC_CUB, change);
1429: goto out;
1430: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1431: tty_putcode1(tty, TTYC_CUF, -change);
1432: goto out;
1433: }
1.45 nicm 1434: } else if (cx == thisx) {
1435: /*
1436: * Moving row only, column staying the same.
1437: */
1.42 nicm 1438:
1439: /* One above. */
1.77 nicm 1440: if (thisy != tty->rupper &&
1.42 nicm 1441: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1442: tty_putcode(tty, TTYC_CUU1);
1443: goto out;
1444: }
1445:
1446: /* One below. */
1.49 nicm 1447: if (thisy != tty->rlower &&
1.42 nicm 1448: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1449: tty_putcode(tty, TTYC_CUD1);
1450: goto out;
1451: }
1452:
1453: /* Calculate difference. */
1454: change = thisy - cy; /* +ve up, -ve down */
1455:
1456: /*
1.77 nicm 1457: * Try to use VPA if change is larger than absolute or if this
1458: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1459: */
1.87 nicm 1460: if ((u_int) abs(change) > cy ||
1.42 nicm 1461: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1462: (change > 0 && cy - change < tty->rupper)) {
1463: if (tty_term_has(term, TTYC_VPA)) {
1464: tty_putcode1(tty, TTYC_VPA, cy);
1465: goto out;
1466: }
1.42 nicm 1467: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1468: tty_putcode1(tty, TTYC_CUU, change);
1469: goto out;
1470: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1471: tty_putcode1(tty, TTYC_CUD, -change);
1472: goto out;
1473: }
1474: }
1475:
1.43 nicm 1476: absolute:
1.42 nicm 1477: /* Absolute movement. */
1478: tty_putcode2(tty, TTYC_CUP, cy, cx);
1479:
1480: out:
1481: tty->cx = cx;
1482: tty->cy = cy;
1.1 nicm 1483: }
1484:
1485: void
1.176 nicm 1486: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1487: const struct window_pane *wp)
1.1 nicm 1488: {
1.63 nicm 1489: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1490: u_char changed;
1.61 nicm 1491:
1.85 nicm 1492: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 1493: if (wp != NULL)
1494: tty_default_colours(&gc2, wp);
1.63 nicm 1495:
1.18 nicm 1496: /*
1497: * If no setab, try to use the reverse attribute as a best-effort for a
1498: * non-default background. This is a bit of a hack but it doesn't do
1499: * any serious harm and makes a couple of applications happier.
1500: */
1501: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1502: if (gc2.attr & GRID_ATTR_REVERSE) {
1503: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1504: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1505: } else {
1.85 nicm 1506: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1507: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1508: }
1509: }
1.1 nicm 1510:
1.85 nicm 1511: /* Fix up the colours if necessary. */
1.219 ! nicm 1512: tty_check_fg(tty, wp, &gc2);
! 1513: tty_check_bg(tty, wp, &gc2);
1.85 nicm 1514:
1.64 nicm 1515: /* If any bits are being cleared, reset everything. */
1.85 nicm 1516: if (tc->attr & ~gc2.attr)
1.64 nicm 1517: tty_reset(tty);
1518:
1519: /*
1520: * Set the colours. This may call tty_reset() (so it comes next) and
1521: * may add to (NOT remove) the desired attributes by changing new_attr.
1522: */
1.85 nicm 1523: tty_colours(tty, &gc2);
1.64 nicm 1524:
1.1 nicm 1525: /* Filter out attribute bits already set. */
1.85 nicm 1526: changed = gc2.attr & ~tc->attr;
1527: tc->attr = gc2.attr;
1.1 nicm 1528:
1529: /* Set the attributes. */
1530: if (changed & GRID_ATTR_BRIGHT)
1531: tty_putcode(tty, TTYC_BOLD);
1532: if (changed & GRID_ATTR_DIM)
1533: tty_putcode(tty, TTYC_DIM);
1.180 nicm 1534: if (changed & GRID_ATTR_ITALICS)
1535: tty_set_italics(tty);
1.1 nicm 1536: if (changed & GRID_ATTR_UNDERSCORE)
1537: tty_putcode(tty, TTYC_SMUL);
1538: if (changed & GRID_ATTR_BLINK)
1539: tty_putcode(tty, TTYC_BLINK);
1540: if (changed & GRID_ATTR_REVERSE) {
1541: if (tty_term_has(tty->term, TTYC_REV))
1542: tty_putcode(tty, TTYC_REV);
1543: else if (tty_term_has(tty->term, TTYC_SMSO))
1544: tty_putcode(tty, TTYC_SMSO);
1545: }
1546: if (changed & GRID_ATTR_HIDDEN)
1547: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1548: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1549: tty_putcode(tty, TTYC_SMACS);
1550: }
1551:
1.207 nicm 1552: static void
1.85 nicm 1553: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1554: {
1.61 nicm 1555: struct grid_cell *tc = &tty->cell;
1.204 nicm 1556: int have_ax;
1.61 nicm 1557:
1558: /* No changes? Nothing is necessary. */
1.204 nicm 1559: if (gc->fg == tc->fg && gc->bg == tc->bg)
1.63 nicm 1560: return;
1.1 nicm 1561:
1.61 nicm 1562: /*
1563: * Is either the default colour? This is handled specially because the
1564: * best solution might be to reset both colours to default, in which
1565: * case if only one is default need to fall onward to set the other
1566: * colour.
1567: */
1.204 nicm 1568: if (gc->fg == 8 || gc->bg == 8) {
1.61 nicm 1569: /*
1570: * If don't have AX but do have op, send sgr0 (op can't
1571: * actually be used because it is sometimes the same as sgr0
1572: * and sometimes isn't). This resets both colours to default.
1573: *
1574: * Otherwise, try to set the default colour only as needed.
1575: */
1.174 nicm 1576: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 1577: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1578: tty_reset(tty);
1579: else {
1.204 nicm 1580: if (gc->fg == 8 && tc->fg != 8) {
1.61 nicm 1581: if (have_ax)
1582: tty_puts(tty, "\033[39m");
1.204 nicm 1583: else if (tc->fg != 7)
1.61 nicm 1584: tty_putcode1(tty, TTYC_SETAF, 7);
1585: tc->fg = 8;
1586: }
1.204 nicm 1587: if (gc->bg == 8 && tc->bg != 8) {
1.77 nicm 1588: if (have_ax)
1.61 nicm 1589: tty_puts(tty, "\033[49m");
1.204 nicm 1590: else if (tc->bg != 0)
1.61 nicm 1591: tty_putcode1(tty, TTYC_SETAB, 0);
1592: tc->bg = 8;
1593: }
1594: }
1595: }
1.1 nicm 1596:
1.61 nicm 1597: /* Set the foreground colour. */
1.204 nicm 1598: if (gc->fg != 8 && gc->fg != tc->fg)
1.85 nicm 1599: tty_colours_fg(tty, gc);
1.1 nicm 1600:
1.61 nicm 1601: /*
1602: * Set the background colour. This must come after the foreground as
1603: * tty_colour_fg() can call tty_reset().
1604: */
1.204 nicm 1605: if (gc->bg != 8 && gc->bg != tc->bg)
1.73 nicm 1606: tty_colours_bg(tty, gc);
1.1 nicm 1607: }
1608:
1.219 ! nicm 1609: static void
! 1610: tty_check_fg(struct tty *tty, const struct window_pane *wp,
! 1611: struct grid_cell *gc)
1.85 nicm 1612: {
1.204 nicm 1613: u_char r, g, b;
1614: u_int colours;
1.85 nicm 1615:
1.219 ! nicm 1616: /* Perform substitution if this pane has a palette */
! 1617: if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
! 1618: gc->fg != 8 && WINDOW_PANE_PALETTE_HAS(wp, gc->fg))
! 1619: gc->fg = wp->palette[gc->fg & 0xff];
! 1620:
1.199 nicm 1621: /* Is this a 24-bit colour? */
1.204 nicm 1622: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 1623: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1624: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1625: colour_split_rgb(gc->fg, &r, &g, &b);
1626: gc->fg = colour_find_rgb(r, g, b);
1627: } else
1.200 nicm 1628: return;
1.199 nicm 1629: }
1.175 nicm 1630: colours = tty_term_number(tty->term, TTYC_COLORS);
1631:
1.85 nicm 1632: /* Is this a 256-colour colour? */
1.204 nicm 1633: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 1634: /* And not a 256 colour mode? */
1.158 nicm 1635: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1636: !(tty->term_flags & TERM_256COLOURS)) {
1637: gc->fg = colour_256to16(gc->fg);
1638: if (gc->fg & 8) {
1639: gc->fg &= 7;
1.175 nicm 1640: if (colours >= 16)
1641: gc->fg += 90;
1642: else
1643: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1644: } else
1645: gc->attr &= ~GRID_ATTR_BRIGHT;
1646: }
1647: return;
1648: }
1649:
1650: /* Is this an aixterm colour? */
1651: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1652: gc->fg -= 90;
1653: gc->attr |= GRID_ATTR_BRIGHT;
1654: }
1655: }
1656:
1.219 ! nicm 1657: static void
! 1658: tty_check_bg(struct tty *tty, const struct window_pane *wp,
! 1659: struct grid_cell *gc)
1.85 nicm 1660: {
1.204 nicm 1661: u_char r, g, b;
1662: u_int colours;
1.85 nicm 1663:
1.219 ! nicm 1664: /* Perform substitution if this pane has a palette */
! 1665: if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
! 1666: gc->bg != 8 && WINDOW_PANE_PALETTE_HAS(wp, gc->bg))
! 1667: gc->bg = wp->palette[gc->bg & 0xff];
! 1668:
1.199 nicm 1669: /* Is this a 24-bit colour? */
1.204 nicm 1670: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 1671: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1672: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1673: colour_split_rgb(gc->bg, &r, &g, &b);
1674: gc->bg = colour_find_rgb(r, g, b);
1675: } else
1.200 nicm 1676: return;
1.199 nicm 1677: }
1.175 nicm 1678: colours = tty_term_number(tty->term, TTYC_COLORS);
1679:
1.85 nicm 1680: /* Is this a 256-colour colour? */
1.204 nicm 1681: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 1682: /*
1683: * And not a 256 colour mode? Translate to 16-colour
1684: * palette. Bold background doesn't exist portably, so just
1685: * discard the bold bit if set.
1686: */
1.158 nicm 1687: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1688: !(tty->term_flags & TERM_256COLOURS)) {
1689: gc->bg = colour_256to16(gc->bg);
1.175 nicm 1690: if (gc->bg & 8) {
1.85 nicm 1691: gc->bg &= 7;
1.175 nicm 1692: if (colours >= 16)
1693: gc->fg += 90;
1694: }
1.85 nicm 1695: }
1696: return;
1697: }
1698:
1699: /* Is this an aixterm colour? */
1.175 nicm 1700: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 1701: gc->bg -= 90;
1702: }
1703:
1.207 nicm 1704: static void
1.85 nicm 1705: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1706: {
1.61 nicm 1707: struct grid_cell *tc = &tty->cell;
1.79 nicm 1708: char s[32];
1.1 nicm 1709:
1.204 nicm 1710: /* Is this a 24-bit or 256-colour colour? */
1711: if (gc->fg & COLOUR_FLAG_RGB ||
1712: gc->fg & COLOUR_FLAG_256) {
1713: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 1714: goto save_fg;
1.199 nicm 1715: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 1716: return;
1.1 nicm 1717: }
1718:
1.79 nicm 1719: /* Is this an aixterm bright colour? */
1.204 nicm 1720: if (gc->fg >= 90 && gc->fg <= 97) {
1721: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
1.85 nicm 1722: tty_puts(tty, s);
1723: goto save_fg;
1.79 nicm 1724: }
1725:
1.61 nicm 1726: /* Otherwise set the foreground colour. */
1.204 nicm 1727: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 1728:
1.77 nicm 1729: save_fg:
1.61 nicm 1730: /* Save the new values in the terminal current cell. */
1.204 nicm 1731: tc->fg = gc->fg;
1.1 nicm 1732: }
1733:
1.207 nicm 1734: static void
1.73 nicm 1735: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1736: {
1.61 nicm 1737: struct grid_cell *tc = &tty->cell;
1.79 nicm 1738: char s[32];
1.1 nicm 1739:
1.204 nicm 1740: /* Is this a 24-bit or 256-colour colour? */
1741: if (gc->bg & COLOUR_FLAG_RGB ||
1742: gc->bg & COLOUR_FLAG_256) {
1743: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 1744: goto save_bg;
1.199 nicm 1745: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 1746: return;
1.79 nicm 1747: }
1748:
1749: /* Is this an aixterm bright colour? */
1.204 nicm 1750: if (gc->bg >= 90 && gc->bg <= 97) {
1751: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
1.175 nicm 1752: tty_puts(tty, s);
1753: goto save_bg;
1.1 nicm 1754: }
1755:
1.61 nicm 1756: /* Otherwise set the background colour. */
1.204 nicm 1757: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 1758:
1759: save_bg:
1760: /* Save the new values in the terminal current cell. */
1.204 nicm 1761: tc->bg = gc->bg;
1.61 nicm 1762: }
1763:
1.207 nicm 1764: static int
1.204 nicm 1765: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 1766: {
1.204 nicm 1767: u_char r, g, b;
1.61 nicm 1768: char s[32];
1769:
1.204 nicm 1770: if (colour & COLOUR_FLAG_256) {
1771: /*
1772: * If the user has specified -2 to the client, setaf and setab
1773: * may not work (or they may not want to use them), so send the
1774: * usual sequence.
1775: */
1776: if (tty->term_flags & TERM_256COLOURS)
1777: goto fallback_256;
1.189 nicm 1778:
1.204 nicm 1779: /*
1780: * If the terminfo entry has 256 colours and setaf and setab
1781: * exist, assume that they work correctly.
1782: */
1783: if (tty->term->flags & TERM_256COLOURS) {
1784: if (*type == '3') {
1785: if (!tty_term_has(tty->term, TTYC_SETAF))
1786: goto fallback_256;
1787: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
1788: } else {
1789: if (!tty_term_has(tty->term, TTYC_SETAB))
1790: goto fallback_256;
1791: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
1792: }
1793: return (0);
1.188 nicm 1794: }
1.204 nicm 1795: goto fallback_256;
1796: }
1797:
1798: if (colour & COLOUR_FLAG_RGB) {
1799: if (!tty_term_flag(tty->term, TTYC_TC))
1800: return (-1);
1801:
1802: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1803: xsnprintf(s, sizeof s, "\033[%s;2;%hhu;%hhu;%hhum", type,
1804: r, g, b);
1805: tty_puts(tty, s);
1.165 nicm 1806: return (0);
1807: }
1.61 nicm 1808:
1.165 nicm 1809: return (-1);
1.188 nicm 1810:
1.204 nicm 1811: fallback_256:
1812: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.188 nicm 1813: tty_puts(tty, s);
1814: return (0);
1.176 nicm 1815: }
1816:
1.207 nicm 1817: static void
1.176 nicm 1818: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
1819: {
1.203 nicm 1820: struct window *w = wp->window;
1821: struct options *oo = w->options;
1822: const struct grid_cell *agc, *pgc, *wgc;
1823:
1824: if (w->flags & WINDOW_STYLECHANGED) {
1825: w->flags &= ~WINDOW_STYLECHANGED;
1826: agc = options_get_style(oo, "window-active-style");
1827: memcpy(&w->active_style, agc, sizeof w->active_style);
1828: wgc = options_get_style(oo, "window-style");
1829: memcpy(&w->style, wgc, sizeof w->style);
1830: } else {
1831: agc = &w->active_style;
1832: wgc = &w->style;
1833: }
1.176 nicm 1834: pgc = &wp->colgc;
1835:
1.204 nicm 1836: if (gc->fg == 8) {
1837: if (pgc->fg != 8)
1.176 nicm 1838: gc->fg = pgc->fg;
1.204 nicm 1839: else if (wp == w->active && agc->fg != 8)
1.176 nicm 1840: gc->fg = agc->fg;
1.204 nicm 1841: else
1.176 nicm 1842: gc->fg = wgc->fg;
1.219 ! nicm 1843:
! 1844: if (gc->fg != 8 && WINDOW_PANE_PALETTE_HAS(wp, gc->fg))
! 1845: gc->fg = wp->palette[gc->fg & 0xff];
1.176 nicm 1846: }
1847:
1.204 nicm 1848: if (gc->bg == 8) {
1849: if (pgc->bg != 8)
1.176 nicm 1850: gc->bg = pgc->bg;
1.204 nicm 1851: else if (wp == w->active && agc->bg != 8)
1.176 nicm 1852: gc->bg = agc->bg;
1.204 nicm 1853: else
1.176 nicm 1854: gc->bg = wgc->bg;
1.219 ! nicm 1855:
! 1856: if (gc->bg != 8 && WINDOW_PANE_PALETTE_HAS(wp, gc->bg))
! 1857: gc->bg = wp->palette[gc->bg & 0xff];
1.176 nicm 1858: }
1.210 nicm 1859: }
1860:
1861: static void
1862: tty_default_attributes(struct tty *tty, const struct window_pane *wp, u_int bg)
1863: {
1864: static struct grid_cell gc;
1865:
1866: memcpy(&gc, &grid_default_cell, sizeof gc);
1867: gc.bg = bg;
1868: tty_attributes(tty, &gc, wp);
1.1 nicm 1869: }
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