Annotation of src/usr.bin/tmux/tty.c, Revision 1.228
1.228 ! nicm 1: /* $OpenBSD: tty.c,v 1.227 2017/02/06 19:26:49 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')
1.220 nicm 108: tty->term_name = xstrdup("unknown");
1.1 nicm 109: else
1.220 nicm 110: tty->term_name = 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: {
1.220 nicm 180: tty->term = tty_term_find(tty->term_name, 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:
1.228 ! nicm 249: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
! 250: tty->last_wp = -1;
! 251:
1.76 nicm 252: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 253: if (tty_use_acs(tty))
254: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 255: tty_putcode(tty, TTYC_CLEAR);
256:
257: tty_putcode(tty, TTYC_CNORM);
258: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 259: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.121 nicm 260:
1.189 nicm 261: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 262: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 263: tty->flags |= TTY_FOCUS;
264: tty_puts(tty, "\033[?1004h");
265: }
1.212 nicm 266: tty_puts(tty, "\033[c");
1.162 nicm 267: }
1.1 nicm 268:
269: tty->cx = UINT_MAX;
270: tty->cy = UINT_MAX;
271:
1.212 nicm 272: tty->rupper = tty->rleft = UINT_MAX;
273: tty->rlower = tty->rright = UINT_MAX;
1.1 nicm 274:
275: tty->mode = MODE_CURSOR;
1.20 nicm 276:
277: tty->flags |= TTY_STARTED;
1.107 nicm 278:
279: tty_force_cursor_colour(tty, "");
1.177 nicm 280:
281: tty->mouse_drag_flag = 0;
282: tty->mouse_drag_update = NULL;
283: tty->mouse_drag_release = NULL;
1.128 nicm 284: }
285:
286: void
1.1 nicm 287: tty_stop_tty(struct tty *tty)
288: {
289: struct winsize ws;
290:
1.20 nicm 291: if (!(tty->flags & TTY_STARTED))
292: return;
293: tty->flags &= ~TTY_STARTED;
294:
1.66 nicm 295: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
296:
1.1 nicm 297: /*
298: * Be flexible about error handling and try not kill the server just
299: * because the fd is invalid. Things like ssh -t can easily leave us
300: * with a dead tty.
301: */
302: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
303: return;
304: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
305: return;
306:
307: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 308: if (tty_use_acs(tty))
309: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 310: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
311: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
312: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 313: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
314: if (tty_term_has(tty->term, TTYC_SE))
315: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 316: else
1.160 nicm 317: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 318: }
1.173 nicm 319: if (tty->mode & MODE_BRACKETPASTE)
320: tty_raw(tty, "\033[?2004l");
1.107 nicm 321: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 322:
323: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
324: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 325: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.151 nicm 326:
1.189 nicm 327: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 328: if (tty->flags & TTY_FOCUS) {
329: tty->flags &= ~TTY_FOCUS;
1.172 nicm 330: tty_raw(tty, "\033[?1004l");
1.162 nicm 331: }
332: }
1.10 nicm 333:
1.212 nicm 334: if (tty_use_margin(tty))
335: tty_raw(tty, "\033[?69l"); /* DECLRMM */
1.10 nicm 336: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 337:
338: setblocking(tty->fd, 1);
1.1 nicm 339: }
340:
341: void
1.20 nicm 342: tty_close(struct tty *tty)
1.1 nicm 343: {
1.123 nicm 344: if (event_initialized(&tty->key_timer))
345: evtimer_del(&tty->key_timer);
1.20 nicm 346: tty_stop_tty(tty);
1.1 nicm 347:
1.21 nicm 348: if (tty->flags & TTY_OPENED) {
1.66 nicm 349: bufferevent_free(tty->event);
350:
1.21 nicm 351: tty_term_free(tty->term);
352: tty_keys_free(tty);
353:
354: tty->flags &= ~TTY_OPENED;
355: }
1.1 nicm 356:
1.21 nicm 357: if (tty->fd != -1) {
358: close(tty->fd);
359: tty->fd = -1;
360: }
1.1 nicm 361: }
362:
363: void
1.20 nicm 364: tty_free(struct tty *tty)
1.1 nicm 365: {
1.20 nicm 366: tty_close(tty);
1.1 nicm 367:
1.138 nicm 368: free(tty->ccolour);
1.190 nicm 369: free(tty->path);
1.220 nicm 370: free(tty->term_name);
1.1 nicm 371: }
372:
373: void
1.212 nicm 374: tty_set_type(struct tty *tty, int type)
375: {
376: tty->term_type = type;
377:
378: if (tty_use_margin(tty))
379: tty_puts(tty, "\033[?69h"); /* DECLRMM */
380: }
381:
382: void
1.1 nicm 383: tty_raw(struct tty *tty, const char *s)
384: {
1.150 nicm 385: ssize_t n, slen;
386: u_int i;
387:
388: slen = strlen(s);
389: for (i = 0; i < 5; i++) {
390: n = write(tty->fd, s, slen);
391: if (n >= 0) {
392: s += n;
393: slen -= n;
394: if (slen == 0)
395: break;
396: } else if (n == -1 && errno != EAGAIN)
397: break;
398: usleep(100);
399: }
1.1 nicm 400: }
401:
402: void
403: tty_putcode(struct tty *tty, enum tty_code_code code)
404: {
405: tty_puts(tty, tty_term_string(tty->term, code));
406: }
407:
408: void
409: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
410: {
411: if (a < 0)
412: return;
413: tty_puts(tty, tty_term_string1(tty->term, code, a));
414: }
415:
416: void
417: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
418: {
419: if (a < 0 || b < 0)
420: return;
421: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
422: }
423:
424: void
1.107 nicm 425: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
426: {
427: if (a != NULL)
428: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
429: }
430:
431: void
1.167 nicm 432: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
433: const void *b)
1.106 nicm 434: {
435: if (a != NULL && b != NULL)
436: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
437: }
438:
439: void
1.1 nicm 440: tty_puts(struct tty *tty, const char *s)
441: {
442: if (*s == '\0')
443: return;
1.66 nicm 444: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 445:
1.192 nicm 446: if (tty_log_fd != -1)
447: write(tty_log_fd, s, strlen(s));
1.1 nicm 448: }
449:
450: void
451: tty_putc(struct tty *tty, u_char ch)
452: {
1.90 nicm 453: const char *acs;
1.1 nicm 454:
1.90 nicm 455: if (tty->cell.attr & GRID_ATTR_CHARSET) {
456: acs = tty_acs_get(tty, ch);
457: if (acs != NULL)
458: bufferevent_write(tty->event, acs, strlen(acs));
459: else
460: bufferevent_write(tty->event, &ch, 1);
461: } else
462: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 463:
464: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 465: if (tty->cx >= tty->sx) {
1.46 nicm 466: tty->cx = 1;
467: if (tty->cy != tty->rlower)
468: tty->cy++;
1.211 nicm 469:
470: /*
471: * On !xenl terminals, force the cursor position to
472: * where we think it should be after a line wrap - this
473: * means it works on sensible terminals as well.
474: */
475: if (tty->term->flags & TERM_EARLYWRAP)
476: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 477: } else
478: tty->cx++;
479: }
480:
1.192 nicm 481: if (tty_log_fd != -1)
482: write(tty_log_fd, &ch, 1);
1.1 nicm 483: }
484:
485: void
1.147 nicm 486: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 487: {
1.147 nicm 488: bufferevent_write(tty->event, buf, len);
1.192 nicm 489: if (tty_log_fd != -1)
490: write(tty_log_fd, buf, len);
1.147 nicm 491: tty->cx += width;
1.5 nicm 492: }
493:
1.207 nicm 494: static void
1.180 nicm 495: tty_set_italics(struct tty *tty)
496: {
497: const char *s;
498:
499: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 500: s = options_get_string(global_options, "default-terminal");
1.180 nicm 501: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
502: tty_putcode(tty, TTYC_SITM);
503: return;
504: }
505: }
506: tty_putcode(tty, TTYC_SMSO);
507: }
508:
509: void
1.1 nicm 510: tty_set_title(struct tty *tty, const char *title)
511: {
1.105 nicm 512: if (!tty_term_has(tty->term, TTYC_TSL) ||
513: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 514: return;
515:
1.105 nicm 516: tty_putcode(tty, TTYC_TSL);
1.1 nicm 517: tty_puts(tty, title);
1.105 nicm 518: tty_putcode(tty, TTYC_FSL);
1.1 nicm 519: }
520:
1.208 nicm 521: static void
1.107 nicm 522: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
523: {
524: if (*ccolour == '\0')
525: tty_putcode(tty, TTYC_CR);
526: else
1.160 nicm 527: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 528: free(tty->ccolour);
1.107 nicm 529: tty->ccolour = xstrdup(ccolour);
530: }
531:
532: void
533: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 534: {
535: int changed;
536:
1.197 nicm 537: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 538: tty_force_cursor_colour(tty, s->ccolour);
539:
1.1 nicm 540: if (tty->flags & TTY_NOCURSOR)
541: mode &= ~MODE_CURSOR;
542:
543: changed = mode ^ tty->mode;
1.183 nicm 544: if (changed & MODE_BLINKING) {
545: if (tty_term_has(tty->term, TTYC_CVVIS))
546: tty_putcode(tty, TTYC_CVVIS);
547: else
548: tty_putcode(tty, TTYC_CNORM);
549: changed |= MODE_CURSOR;
550: }
551: if (changed & MODE_CURSOR) {
552: if (mode & MODE_CURSOR)
553: tty_putcode(tty, TTYC_CNORM);
554: else
1.1 nicm 555: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 556: }
1.181 nicm 557: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 558: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 559: if (s->cstyle == 0 &&
1.160 nicm 560: tty_term_has(tty->term, TTYC_SE))
561: tty_putcode(tty, TTYC_SE);
1.108 nicm 562: else
1.160 nicm 563: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 564: }
565: tty->cstyle = s->cstyle;
1.1 nicm 566: }
1.195 nicm 567: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 568: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 569: /*
570: * Enable the SGR (1006) extension unconditionally, as
1.221 nicm 571: * it is safe from misinterpretation.
1.153 nicm 572: */
573: tty_puts(tty, "\033[?1006h");
1.225 nicm 574: if (mode & MODE_MOUSE_ALL)
575: tty_puts(tty, "\033[?1003h");
576: else if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 577: tty_puts(tty, "\033[?1002h");
1.98 nicm 578: else if (mode & MODE_MOUSE_STANDARD)
579: tty_puts(tty, "\033[?1000h");
1.86 nicm 580: } else {
1.225 nicm 581: if (tty->mode & MODE_MOUSE_ALL)
582: tty_puts(tty, "\033[?1003l");
583: else if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 584: tty_puts(tty, "\033[?1002l");
1.98 nicm 585: else if (tty->mode & MODE_MOUSE_STANDARD)
586: tty_puts(tty, "\033[?1000l");
1.153 nicm 587: tty_puts(tty, "\033[?1006l");
1.86 nicm 588: }
1.76 nicm 589: }
590: if (changed & MODE_KKEYPAD) {
591: if (mode & MODE_KKEYPAD)
592: tty_putcode(tty, TTYC_SMKX);
593: else
594: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 595: }
596: if (changed & MODE_BRACKETPASTE) {
597: if (mode & MODE_BRACKETPASTE)
598: tty_puts(tty, "\033[?2004h");
599: else
600: tty_puts(tty, "\033[?2004l");
1.1 nicm 601: }
602: tty->mode = mode;
603: }
604:
1.207 nicm 605: static void
1.168 nicm 606: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
607: enum tty_code_code code1, u_int n)
1.1 nicm 608: {
609: if (tty_term_has(tty->term, code))
610: tty_putcode1(tty, code, n);
611: else {
612: while (n-- > 0)
613: tty_putcode(tty, code1);
614: }
615: }
616:
1.207 nicm 617: static void
1.133 nicm 618: tty_repeat_space(struct tty *tty, u_int n)
619: {
620: while (n-- > 0)
621: tty_putc(tty, ' ');
622: }
623:
1.1 nicm 624: /*
1.119 nicm 625: * Is the region large enough to be worth redrawing once later rather than
626: * probably several times now? Currently yes if it is more than 50% of the
627: * pane.
628: */
1.207 nicm 629: static int
1.194 nicm 630: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 631: {
632: struct window_pane *wp = ctx->wp;
633:
634: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
635: }
636:
637: /*
1.176 nicm 638: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
639: * emulated.
640: */
1.207 nicm 641: static int
1.210 nicm 642: tty_fake_bce(const struct tty *tty, const struct window_pane *wp, u_int bg)
1.176 nicm 643: {
644: struct grid_cell gc;
645:
1.210 nicm 646: if (tty_term_flag(tty->term, TTYC_BCE))
647: return (0);
648:
1.176 nicm 649: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 650: if (wp != NULL)
651: tty_default_colours(&gc, wp);
1.176 nicm 652:
1.210 nicm 653: if (bg != 8 || gc.bg != 8)
654: return (1);
655: return (0);
1.176 nicm 656: }
657:
658: /*
1.1 nicm 659: * Redraw scroll region using data from screen (already updated). Used when
660: * CSR not supported, or window is a pane that doesn't take up the full
661: * width of the terminal.
662: */
1.207 nicm 663: static void
1.24 nicm 664: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 665: {
1.14 nicm 666: struct window_pane *wp = ctx->wp;
667: struct screen *s = wp->screen;
1.204 nicm 668: u_int i;
1.1 nicm 669:
670: /*
1.119 nicm 671: * If region is large, schedule a window redraw. In most cases this is
672: * likely to be followed by some more scrolling.
1.1 nicm 673: */
1.119 nicm 674: if (tty_large_region(tty, ctx)) {
1.1 nicm 675: wp->flags |= PANE_REDRAW;
676: return;
677: }
678:
1.14 nicm 679: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
680: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176 nicm 681: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 682: } else {
1.14 nicm 683: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176 nicm 684: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 685: }
686: }
687:
688: void
1.176 nicm 689: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
690: u_int oy)
691: {
692: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
693: }
694:
695: void
696: tty_draw_line(struct tty *tty, const struct window_pane *wp,
697: struct screen *s, u_int py, u_int ox, u_int oy)
1.1 nicm 698: {
1.209 nicm 699: struct grid_cell gc, tmp_gc;
1.46 nicm 700: struct grid_line *gl;
1.1 nicm 701: u_int i, sx;
1.181 nicm 702: int flags;
1.1 nicm 703:
1.181 nicm 704: flags = tty->flags & TTY_NOCURSOR;
705: tty->flags |= TTY_NOCURSOR;
706: tty_update_mode(tty, tty->mode, s);
1.35 nicm 707:
1.214 nicm 708: tty_region_off(tty);
709: tty_margin_off(tty);
710:
1.1 nicm 711: sx = screen_size_x(s);
1.19 nicm 712: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
713: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 714: if (sx > tty->sx)
715: sx = tty->sx;
716:
1.46 nicm 717: /*
1.174 nicm 718: * Don't move the cursor to the start position if it will wrap there
1.50 nicm 719: * itself.
1.46 nicm 720: */
721: gl = NULL;
722: if (py != 0)
723: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 724: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 725: tty->cx < tty->sx || ox != 0 ||
726: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 727: tty_cursor(tty, ox, oy + py);
728:
1.1 nicm 729: for (i = 0; i < sx; i++) {
1.193 nicm 730: grid_view_get_cell(s->grid, i, py, &gc);
1.209 nicm 731: if (gc.flags & GRID_FLAG_SELECTED) {
732: screen_select_cell(s, &tmp_gc, &gc);
733: tty_cell(tty, &tmp_gc, wp);
734: } else
735: tty_cell(tty, &gc, wp);
1.1 nicm 736: }
737:
1.181 nicm 738: if (sx < tty->sx) {
1.210 nicm 739: tty_default_attributes(tty, wp, 8);
1.181 nicm 740:
741: tty_cursor(tty, ox + sx, oy + py);
742: if (sx != screen_size_x(s) &&
743: ox + screen_size_x(s) >= tty->sx &&
744: tty_term_has(tty->term, TTYC_EL) &&
1.210 nicm 745: !tty_fake_bce(tty, wp, 8))
1.181 nicm 746: tty_putcode(tty, TTYC_EL);
747: else
748: tty_repeat_space(tty, screen_size_x(s) - sx);
1.35 nicm 749: }
1.1 nicm 750:
1.181 nicm 751: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 752: tty_update_mode(tty, tty->mode, s);
1.15 nicm 753: }
754:
1.201 nicm 755: static int
1.182 nicm 756: tty_client_ready(struct client *c, struct window_pane *wp)
757: {
758: if (c->session == NULL || c->tty.term == NULL)
759: return (0);
760: if (c->flags & CLIENT_SUSPENDED)
761: return (0);
762: if (c->tty.flags & TTY_FREEZE)
763: return (0);
764: if (c->session->curw->window != wp->window)
765: return (0);
766: return (1);
767: }
768:
1.15 nicm 769: void
1.182 nicm 770: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
771: struct tty_ctx *ctx)
1.15 nicm 772: {
773: struct window_pane *wp = ctx->wp;
774: struct client *c;
775:
1.75 nicm 776: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 777: if (wp == NULL)
778: return;
779:
780: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
781: return;
1.129 nicm 782: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 783: return;
784:
1.178 nicm 785: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 786: if (!tty_client_ready(c, wp))
1.15 nicm 787: continue;
788:
1.139 nicm 789: ctx->xoff = wp->xoff;
790: ctx->yoff = wp->yoff;
791: if (status_at_line(c) == 0)
792: ctx->yoff++;
1.113 nicm 793:
1.139 nicm 794: cmdfn(&c->tty, ctx);
1.1 nicm 795: }
796: }
797:
798: void
1.24 nicm 799: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 800: {
1.77 nicm 801: struct window_pane *wp = ctx->wp;
1.1 nicm 802:
1.210 nicm 803: if (!tty_pane_full_width(tty, ctx) ||
804: tty_fake_bce(tty, wp, ctx->bg) ||
805: (!tty_term_has(tty->term, TTYC_ICH) &&
806: !tty_term_has(tty->term, TTYC_ICH1))) {
1.176 nicm 807: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 808: return;
809: }
810:
1.210 nicm 811: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 812:
1.77 nicm 813: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 814:
1.206 nicm 815: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 816: }
817:
818: void
1.24 nicm 819: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 820: {
1.77 nicm 821: struct window_pane *wp = ctx->wp;
1.1 nicm 822:
1.210 nicm 823: if (!tty_pane_full_width(tty, ctx) ||
824: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 825: (!tty_term_has(tty->term, TTYC_DCH) &&
826: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 827: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 828: return;
829: }
830:
1.210 nicm 831: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 832:
1.77 nicm 833: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 834:
1.206 nicm 835: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 836: }
837:
838: void
839: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
840: {
841: u_int i;
842:
1.176 nicm 843: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.146 nicm 844:
845: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
846:
1.210 nicm 847: if (tty_term_has(tty->term, TTYC_ECH) &&
848: !tty_fake_bce(tty, ctx->wp, ctx->bg))
1.146 nicm 849: tty_putcode1(tty, TTYC_ECH, ctx->num);
850: else {
851: for (i = 0; i < ctx->num; i++)
852: tty_putc(tty, ' ');
853: }
1.1 nicm 854: }
855:
856: void
1.24 nicm 857: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 858: {
1.210 nicm 859: if (!tty_pane_full_width(tty, ctx) ||
860: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 861: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 862: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 863: tty_redraw_region(tty, ctx);
1.1 nicm 864: return;
865: }
866:
1.210 nicm 867: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 868:
1.77 nicm 869: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 870: tty_margin_off(tty);
1.77 nicm 871: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 872:
1.12 nicm 873: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 874: }
875:
876: void
1.24 nicm 877: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 878: {
1.210 nicm 879: if (!tty_pane_full_width(tty, ctx) ||
880: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 881: !tty_term_has(tty->term, TTYC_CSR) ||
882: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 883: tty_redraw_region(tty, ctx);
1.1 nicm 884: return;
885: }
886:
1.210 nicm 887: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 888:
1.77 nicm 889: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 890: tty_margin_off(tty);
1.77 nicm 891: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 892:
1.12 nicm 893: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 894: }
895:
896: void
1.24 nicm 897: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 898: {
1.77 nicm 899: struct window_pane *wp = ctx->wp;
1.12 nicm 900: struct screen *s = wp->screen;
1.1 nicm 901:
1.210 nicm 902: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 903:
1.77 nicm 904: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 905:
1.210 nicm 906: if (tty_pane_full_width(tty, ctx) &&
907: !tty_fake_bce(tty, wp, ctx->bg) &&
1.176 nicm 908: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 909: tty_putcode(tty, TTYC_EL);
1.133 nicm 910: else
911: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 912: }
913:
914: void
1.24 nicm 915: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 916: {
1.77 nicm 917: struct window_pane *wp = ctx->wp;
1.12 nicm 918: struct screen *s = wp->screen;
1.1 nicm 919:
1.210 nicm 920: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 921:
1.41 nicm 922: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
923:
1.176 nicm 924: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 925: tty_term_has(tty->term, TTYC_EL) &&
926: !tty_fake_bce(tty, wp, ctx->bg))
1.1 nicm 927: tty_putcode(tty, TTYC_EL);
1.133 nicm 928: else
929: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.1 nicm 930: }
931:
932: void
1.24 nicm 933: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 934: {
1.210 nicm 935: struct window_pane *wp = ctx->wp;
936:
937: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 938:
1.210 nicm 939: if (ctx->xoff == 0 &&
940: tty_term_has(tty->term, TTYC_EL1) &&
941: !tty_fake_bce(tty, ctx->wp, ctx->bg)) {
1.41 nicm 942: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 943: tty_putcode(tty, TTYC_EL1);
944: } else {
1.41 nicm 945: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 946: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 947: }
948: }
949:
950: void
1.24 nicm 951: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 952: {
1.56 nicm 953: if (ctx->ocy != ctx->orupper)
954: return;
955:
1.210 nicm 956: if (!tty_pane_full_width(tty, ctx) ||
957: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.70 nicm 958: !tty_term_has(tty->term, TTYC_CSR) ||
959: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 960: tty_redraw_region(tty, ctx);
1.1 nicm 961: return;
962: }
963:
1.176 nicm 964: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.77 nicm 965:
1.56 nicm 966: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 967: tty_margin_off(tty);
1.56 nicm 968: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 969:
1.56 nicm 970: tty_putcode(tty, TTYC_RI);
1.1 nicm 971: }
972:
973: void
1.24 nicm 974: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 975: {
1.77 nicm 976: struct window_pane *wp = ctx->wp;
1.1 nicm 977:
1.56 nicm 978: if (ctx->ocy != ctx->orlower)
979: return;
980:
1.212 nicm 981: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.210 nicm 982: tty_fake_bce(tty, wp, ctx->bg) ||
1.1 nicm 983: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 984: if (tty_large_region(tty, ctx))
985: wp->flags |= PANE_REDRAW;
1.140 nicm 986: else
1.128 nicm 987: tty_redraw_region(tty, ctx);
1.1 nicm 988: return;
989: }
1.52 nicm 990:
991: /*
1.212 nicm 992: * If this line wrapped naturally (ctx->num is nonzero) and we are not
993: * using margins, don't do anything - the cursor can just be moved
994: * to the last cell and wrap naturally.
1.52 nicm 995: */
1.214 nicm 996: if ((!tty_use_margin(tty) ||
997: tty_pane_full_width(tty, ctx)) &&
1.212 nicm 998: ctx->num != 0 &&
1.216 nicm 999: !(tty->term->flags & TERM_EARLYWRAP))
1.52 nicm 1000: return;
1.1 nicm 1001:
1.176 nicm 1002: tty_attributes(tty, &grid_default_cell, wp);
1.77 nicm 1003:
1.56 nicm 1004: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1005: tty_margin_pane(tty, ctx);
1006:
1007: /*
1008: * If we want to wrap a pane, the cursor needs to be exactly on the
1009: * right of the region. But if the pane isn't on the right, it may be
1010: * off the edge - if so, move the cursor back to the right.
1011: */
1012: if (ctx->xoff + ctx->ocx > tty->rright)
1.216 nicm 1013: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1.212 nicm 1014: else
1015: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1016:
1.56 nicm 1017: tty_putc(tty, '\n');
1.1 nicm 1018: }
1019:
1020: void
1.24 nicm 1021: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1022: {
1.77 nicm 1023: struct window_pane *wp = ctx->wp;
1.12 nicm 1024: struct screen *s = wp->screen;
1.204 nicm 1025: u_int i, j;
1.1 nicm 1026:
1.210 nicm 1027: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1028:
1.39 nicm 1029: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1030: tty_margin_off(tty);
1.41 nicm 1031: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 1032:
1.176 nicm 1033: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1034: tty_term_has(tty->term, TTYC_EL) &&
1035: !tty_fake_bce(tty, wp, ctx->bg)) {
1.1 nicm 1036: tty_putcode(tty, TTYC_EL);
1.14 nicm 1037: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 1038: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 1039: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 1040: tty_putcode(tty, TTYC_EL);
1041: if (i == screen_size_y(s) - 1)
1042: continue;
1043: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1044: tty->cy++;
1045: }
1046: }
1047: } else {
1.133 nicm 1048: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.68 nicm 1049: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 1050: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1051: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1052: }
1053: }
1054: }
1055:
1056: void
1.24 nicm 1057: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1058: {
1.77 nicm 1059: struct window_pane *wp = ctx->wp;
1.12 nicm 1060: struct screen *s = wp->screen;
1.204 nicm 1061: u_int i, j;
1.1 nicm 1062:
1.227 nicm 1063: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1064:
1.39 nicm 1065: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1066: tty_margin_off(tty);
1.41 nicm 1067: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 1068:
1.176 nicm 1069: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1070: tty_term_has(tty->term, TTYC_EL) &&
1071: !tty_fake_bce(tty, wp, ctx->bg)) {
1.14 nicm 1072: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 1073: tty_putcode(tty, TTYC_EL);
1074: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1075: tty->cy++;
1076: }
1077: } else {
1.14 nicm 1078: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 1079: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1080: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1081: }
1082: }
1.133 nicm 1083: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 1084: }
1085:
1086: void
1.24 nicm 1087: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1088: {
1.77 nicm 1089: struct window_pane *wp = ctx->wp;
1.12 nicm 1090: struct screen *s = wp->screen;
1.204 nicm 1091: u_int i, j;
1.1 nicm 1092:
1.210 nicm 1093: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1094:
1.39 nicm 1095: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1096: tty_margin_off(tty);
1.41 nicm 1097: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 1098:
1.176 nicm 1099: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1100: tty_term_has(tty->term, TTYC_EL) &&
1101: !tty_fake_bce(tty, wp, ctx->bg)) {
1.1 nicm 1102: for (i = 0; i < screen_size_y(s); i++) {
1103: tty_putcode(tty, TTYC_EL);
1104: if (i != screen_size_y(s) - 1) {
1105: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1106: tty->cy++;
1107: }
1108: }
1109: } else {
1110: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1111: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1112: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1113: }
1.4 nicm 1114: }
1115: }
1116:
1117: void
1.24 nicm 1118: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1119: {
1.12 nicm 1120: struct window_pane *wp = ctx->wp;
1121: struct screen *s = wp->screen;
1122: u_int i, j;
1.4 nicm 1123:
1.176 nicm 1124: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1125:
1.39 nicm 1126: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1127: tty_margin_off(tty);
1.4 nicm 1128:
1129: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1130: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1131: for (i = 0; i < screen_size_x(s); i++)
1132: tty_putc(tty, 'E');
1.1 nicm 1133: }
1134: }
1135:
1136: void
1.24 nicm 1137: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1138: {
1.46 nicm 1139: struct window_pane *wp = ctx->wp;
1140: struct screen *s = wp->screen;
1.203 nicm 1141: u_int cx, width;
1.46 nicm 1142:
1.222 nicm 1143: if (ctx->xoff + ctx->ocx > tty->sx - 1 && ctx->ocy == ctx->orlower) {
1144: if (tty_pane_full_width(tty, ctx))
1145: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1146: else
1147: tty_margin_off(tty);
1148: }
1.46 nicm 1149:
1.57 nicm 1150: /* Is the cursor in the very last position? */
1.193 nicm 1151: width = ctx->cell->data.width;
1.102 nicm 1152: if (ctx->ocx > wp->sx - width) {
1.216 nicm 1153: if (!tty_pane_full_width(tty, ctx)) {
1.57 nicm 1154: /*
1155: * The pane doesn't fill the entire line, the linefeed
1156: * will already have happened, so just move the cursor.
1157: */
1.125 nicm 1158: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 1159: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1160: else
1161: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.218 nicm 1162: } else if (tty->cy != ctx->yoff + ctx->ocy ||
1163: tty->cx < tty->sx) {
1.57 nicm 1164: /*
1165: * The cursor isn't in the last position already, so
1.216 nicm 1166: * move as far right as possible and redraw the last
1.57 nicm 1167: * cell to move into the last position.
1168: */
1.193 nicm 1169: cx = screen_size_x(s) - ctx->last_cell.data.width;
1.50 nicm 1170: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1.176 nicm 1171: tty_cell(tty, &ctx->last_cell, wp);
1.50 nicm 1172: }
1173: } else
1.46 nicm 1174: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1175:
1.176 nicm 1176: tty_cell(tty, ctx->cell, wp);
1.106 nicm 1177: }
1178:
1179: void
1180: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1181: {
1182: char *buf;
1183: size_t off;
1184:
1185: if (!tty_term_has(tty->term, TTYC_MS))
1186: return;
1187:
1188: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1189: buf = xmalloc(off);
1190:
1191: b64_ntop(ctx->ptr, ctx->num, buf, off);
1192: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1193:
1.138 nicm 1194: free(buf);
1.100 nicm 1195: }
1196:
1197: void
1198: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1199: {
1200: u_int i;
1201: u_char *str = ctx->ptr;
1202:
1203: for (i = 0; i < ctx->num; i++)
1204: tty_putc(tty, str[i]);
1.141 nicm 1205:
1206: tty->cx = tty->cy = UINT_MAX;
1207: tty->rupper = tty->rlower = UINT_MAX;
1208:
1.176 nicm 1209: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.141 nicm 1210: tty_cursor(tty, 0, 0);
1.1 nicm 1211: }
1212:
1.207 nicm 1213: static void
1.176 nicm 1214: tty_cell(struct tty *tty, const struct grid_cell *gc,
1215: const struct window_pane *wp)
1.1 nicm 1216: {
1.193 nicm 1217: u_int i;
1.1 nicm 1218:
1219: /* Skip last character if terminal is stupid. */
1.211 nicm 1220: if ((tty->term->flags & TERM_EARLYWRAP) &&
1221: tty->cy == tty->sy - 1 &&
1222: tty->cx == tty->sx - 1)
1.1 nicm 1223: return;
1224:
1225: /* If this is a padding character, do nothing. */
1226: if (gc->flags & GRID_FLAG_PADDING)
1227: return;
1228:
1229: /* Set the attributes. */
1.176 nicm 1230: tty_attributes(tty, gc, wp);
1.1 nicm 1231:
1.147 nicm 1232: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.193 nicm 1233: if (gc->data.size == 1) {
1234: if (*gc->data.data < 0x20 || *gc->data.data == 0x7f)
1.1 nicm 1235: return;
1.193 nicm 1236: tty_putc(tty, *gc->data.data);
1.1 nicm 1237: return;
1238: }
1239:
1.147 nicm 1240: /* If not UTF-8, write _. */
1.1 nicm 1241: if (!(tty->flags & TTY_UTF8)) {
1.193 nicm 1242: for (i = 0; i < gc->data.width; i++)
1.1 nicm 1243: tty_putc(tty, '_');
1244: return;
1245: }
1246:
1.147 nicm 1247: /* Write the data. */
1.193 nicm 1248: tty_putn(tty, gc->data.data, gc->data.size, gc->data.width);
1.1 nicm 1249: }
1250:
1251: void
1252: tty_reset(struct tty *tty)
1253: {
1254: struct grid_cell *gc = &tty->cell;
1255:
1.228 ! nicm 1256: if (!grid_cells_equal(gc, &grid_default_cell)) {
! 1257: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
! 1258: tty_putcode(tty, TTYC_RMACS);
! 1259: tty_putcode(tty, TTYC_SGR0);
! 1260: memcpy(gc, &grid_default_cell, sizeof *gc);
! 1261: }
1.1 nicm 1262:
1.228 ! nicm 1263: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
! 1264: tty->last_wp = -1;
1.1 nicm 1265: }
1266:
1.214 nicm 1267: /* Turn off margin. */
1268: void
1269: tty_region_off(struct tty *tty)
1270: {
1271: tty_region(tty, 0, tty->sy - 1);
1272: }
1273:
1.40 nicm 1274: /* Set region inside pane. */
1.208 nicm 1275: static void
1.196 nicm 1276: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1277: u_int rlower)
1.1 nicm 1278: {
1.113 nicm 1279: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1280: }
1281:
1.40 nicm 1282: /* Set region at absolute position. */
1.214 nicm 1283: static void
1.40 nicm 1284: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1285: {
1286: if (tty->rlower == rlower && tty->rupper == rupper)
1287: return;
1.1 nicm 1288: if (!tty_term_has(tty->term, TTYC_CSR))
1289: return;
1.39 nicm 1290:
1291: tty->rupper = rupper;
1292: tty->rlower = rlower;
1.55 nicm 1293:
1294: /*
1295: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1296: * 0,0 if it is beyond the last column (they do not reset their wrap
1297: * flag so further output causes a line feed). As a workaround, do an
1298: * explicit move to 0 first.
1299: */
1300: if (tty->cx >= tty->sx)
1301: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1302:
1.39 nicm 1303: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.212 nicm 1304: tty_cursor(tty, 0, 0);
1305: }
1306:
1.214 nicm 1307: /* Turn off margin. */
1308: void
1309: tty_margin_off(struct tty *tty)
1310: {
1311: tty_margin(tty, 0, tty->sx - 1);
1312: }
1313:
1.212 nicm 1314: /* Set margin inside pane. */
1315: static void
1316: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
1317: {
1318: tty_margin(tty, ctx->xoff, ctx->xoff + ctx->wp->sx - 1);
1319: }
1320:
1321: /* Set margin at absolute position. */
1.214 nicm 1322: static void
1.212 nicm 1323: tty_margin(struct tty *tty, u_int rleft, u_int rright)
1324: {
1325: char s[64];
1326:
1327: if (!tty_use_margin(tty))
1328: return;
1329: if (tty->rleft == rleft && tty->rright == rright)
1330: return;
1331:
1332: tty->rleft = rleft;
1333: tty->rright = rright;
1334:
1335: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1336: tty_puts(tty, s);
1.78 nicm 1337: tty_cursor(tty, 0, 0);
1.1 nicm 1338: }
1339:
1.42 nicm 1340: /* Move cursor inside pane. */
1.208 nicm 1341: static void
1.41 nicm 1342: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1343: {
1.113 nicm 1344: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1345: }
1346:
1.42 nicm 1347: /* Move cursor to absolute position. */
1.41 nicm 1348: void
1349: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1350: {
1.42 nicm 1351: struct tty_term *term = tty->term;
1352: u_int thisx, thisy;
1353: int change;
1.77 nicm 1354:
1.42 nicm 1355: if (cx > tty->sx - 1)
1356: cx = tty->sx - 1;
1357:
1358: thisx = tty->cx;
1359: thisy = tty->cy;
1360:
1361: /* No change. */
1362: if (cx == thisx && cy == thisy)
1363: return;
1364:
1.43 nicm 1365: /* Very end of the line, just use absolute movement. */
1366: if (thisx > tty->sx - 1)
1367: goto absolute;
1368:
1.42 nicm 1369: /* Move to home position (0, 0). */
1370: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1371: tty_putcode(tty, TTYC_HOME);
1372: goto out;
1373: }
1374:
1375: /* Zero on the next line. */
1.48 nicm 1376: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1377: tty_putc(tty, '\r');
1.42 nicm 1378: tty_putc(tty, '\n');
1379: goto out;
1380: }
1381:
1.45 nicm 1382: /* Moving column or row. */
1.42 nicm 1383: if (cy == thisy) {
1.45 nicm 1384: /*
1385: * Moving column only, row staying the same.
1386: */
1387:
1.42 nicm 1388: /* To left edge. */
1.202 nicm 1389: if (cx == 0) {
1.42 nicm 1390: tty_putc(tty, '\r');
1391: goto out;
1392: }
1393:
1394: /* One to the left. */
1395: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1396: tty_putcode(tty, TTYC_CUB1);
1397: goto out;
1398: }
1399:
1400: /* One to the right. */
1401: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1402: tty_putcode(tty, TTYC_CUF1);
1403: goto out;
1404: }
1405:
1406: /* Calculate difference. */
1407: change = thisx - cx; /* +ve left, -ve right */
1408:
1409: /*
1410: * Use HPA if change is larger than absolute, otherwise move
1411: * the cursor with CUB/CUF.
1412: */
1.87 nicm 1413: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1414: tty_putcode1(tty, TTYC_HPA, cx);
1415: goto out;
1416: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1.202 nicm 1417: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
1418: tty_putcode(tty, TTYC_CUB1);
1419: tty_putcode(tty, TTYC_CUB1);
1420: goto out;
1421: }
1.42 nicm 1422: tty_putcode1(tty, TTYC_CUB, change);
1423: goto out;
1424: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1425: tty_putcode1(tty, TTYC_CUF, -change);
1426: goto out;
1427: }
1.45 nicm 1428: } else if (cx == thisx) {
1429: /*
1430: * Moving row only, column staying the same.
1431: */
1.42 nicm 1432:
1433: /* One above. */
1.77 nicm 1434: if (thisy != tty->rupper &&
1.42 nicm 1435: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1436: tty_putcode(tty, TTYC_CUU1);
1437: goto out;
1438: }
1439:
1440: /* One below. */
1.49 nicm 1441: if (thisy != tty->rlower &&
1.42 nicm 1442: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1443: tty_putcode(tty, TTYC_CUD1);
1444: goto out;
1445: }
1446:
1447: /* Calculate difference. */
1448: change = thisy - cy; /* +ve up, -ve down */
1449:
1450: /*
1.77 nicm 1451: * Try to use VPA if change is larger than absolute or if this
1452: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1453: */
1.87 nicm 1454: if ((u_int) abs(change) > cy ||
1.42 nicm 1455: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1456: (change > 0 && cy - change < tty->rupper)) {
1457: if (tty_term_has(term, TTYC_VPA)) {
1458: tty_putcode1(tty, TTYC_VPA, cy);
1459: goto out;
1460: }
1.42 nicm 1461: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1462: tty_putcode1(tty, TTYC_CUU, change);
1463: goto out;
1464: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1465: tty_putcode1(tty, TTYC_CUD, -change);
1466: goto out;
1467: }
1468: }
1469:
1.43 nicm 1470: absolute:
1.42 nicm 1471: /* Absolute movement. */
1472: tty_putcode2(tty, TTYC_CUP, cy, cx);
1473:
1474: out:
1475: tty->cx = cx;
1476: tty->cy = cy;
1.1 nicm 1477: }
1478:
1479: void
1.176 nicm 1480: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1481: const struct window_pane *wp)
1.1 nicm 1482: {
1.63 nicm 1483: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1484: u_char changed;
1.61 nicm 1485:
1.228 ! nicm 1486: /* Ignore cell if it is the same as the last one. */
! 1487: if (wp != NULL &&
! 1488: (int)wp->id == tty->last_wp &&
! 1489: ~(wp->window->flags & WINDOW_STYLECHANGED) &&
! 1490: gc->attr == tty->last_cell.attr &&
! 1491: gc->fg == tty->last_cell.fg &&
! 1492: gc->bg == tty->last_cell.bg)
! 1493: return;
! 1494: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
! 1495: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
! 1496:
! 1497: /* Copy cell and update default colours. */
1.85 nicm 1498: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 1499: if (wp != NULL)
1500: tty_default_colours(&gc2, wp);
1.63 nicm 1501:
1.18 nicm 1502: /*
1503: * If no setab, try to use the reverse attribute as a best-effort for a
1504: * non-default background. This is a bit of a hack but it doesn't do
1505: * any serious harm and makes a couple of applications happier.
1506: */
1507: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1508: if (gc2.attr & GRID_ATTR_REVERSE) {
1509: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1510: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1511: } else {
1.85 nicm 1512: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1513: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1514: }
1515: }
1.1 nicm 1516:
1.85 nicm 1517: /* Fix up the colours if necessary. */
1.219 nicm 1518: tty_check_fg(tty, wp, &gc2);
1519: tty_check_bg(tty, wp, &gc2);
1.85 nicm 1520:
1.64 nicm 1521: /* If any bits are being cleared, reset everything. */
1.85 nicm 1522: if (tc->attr & ~gc2.attr)
1.64 nicm 1523: tty_reset(tty);
1524:
1525: /*
1526: * Set the colours. This may call tty_reset() (so it comes next) and
1527: * may add to (NOT remove) the desired attributes by changing new_attr.
1528: */
1.85 nicm 1529: tty_colours(tty, &gc2);
1.64 nicm 1530:
1.1 nicm 1531: /* Filter out attribute bits already set. */
1.85 nicm 1532: changed = gc2.attr & ~tc->attr;
1533: tc->attr = gc2.attr;
1.1 nicm 1534:
1535: /* Set the attributes. */
1536: if (changed & GRID_ATTR_BRIGHT)
1537: tty_putcode(tty, TTYC_BOLD);
1538: if (changed & GRID_ATTR_DIM)
1539: tty_putcode(tty, TTYC_DIM);
1.180 nicm 1540: if (changed & GRID_ATTR_ITALICS)
1541: tty_set_italics(tty);
1.1 nicm 1542: if (changed & GRID_ATTR_UNDERSCORE)
1543: tty_putcode(tty, TTYC_SMUL);
1544: if (changed & GRID_ATTR_BLINK)
1545: tty_putcode(tty, TTYC_BLINK);
1546: if (changed & GRID_ATTR_REVERSE) {
1547: if (tty_term_has(tty->term, TTYC_REV))
1548: tty_putcode(tty, TTYC_REV);
1549: else if (tty_term_has(tty->term, TTYC_SMSO))
1550: tty_putcode(tty, TTYC_SMSO);
1551: }
1552: if (changed & GRID_ATTR_HIDDEN)
1553: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1554: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1555: tty_putcode(tty, TTYC_SMACS);
1556: }
1557:
1.207 nicm 1558: static void
1.85 nicm 1559: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1560: {
1.61 nicm 1561: struct grid_cell *tc = &tty->cell;
1.204 nicm 1562: int have_ax;
1.61 nicm 1563:
1564: /* No changes? Nothing is necessary. */
1.204 nicm 1565: if (gc->fg == tc->fg && gc->bg == tc->bg)
1.63 nicm 1566: return;
1.1 nicm 1567:
1.61 nicm 1568: /*
1569: * Is either the default colour? This is handled specially because the
1570: * best solution might be to reset both colours to default, in which
1571: * case if only one is default need to fall onward to set the other
1572: * colour.
1573: */
1.204 nicm 1574: if (gc->fg == 8 || gc->bg == 8) {
1.61 nicm 1575: /*
1576: * If don't have AX but do have op, send sgr0 (op can't
1577: * actually be used because it is sometimes the same as sgr0
1578: * and sometimes isn't). This resets both colours to default.
1579: *
1580: * Otherwise, try to set the default colour only as needed.
1581: */
1.174 nicm 1582: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 1583: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1584: tty_reset(tty);
1585: else {
1.204 nicm 1586: if (gc->fg == 8 && tc->fg != 8) {
1.61 nicm 1587: if (have_ax)
1588: tty_puts(tty, "\033[39m");
1.204 nicm 1589: else if (tc->fg != 7)
1.61 nicm 1590: tty_putcode1(tty, TTYC_SETAF, 7);
1591: tc->fg = 8;
1592: }
1.204 nicm 1593: if (gc->bg == 8 && tc->bg != 8) {
1.77 nicm 1594: if (have_ax)
1.61 nicm 1595: tty_puts(tty, "\033[49m");
1.204 nicm 1596: else if (tc->bg != 0)
1.61 nicm 1597: tty_putcode1(tty, TTYC_SETAB, 0);
1598: tc->bg = 8;
1599: }
1600: }
1601: }
1.1 nicm 1602:
1.61 nicm 1603: /* Set the foreground colour. */
1.204 nicm 1604: if (gc->fg != 8 && gc->fg != tc->fg)
1.85 nicm 1605: tty_colours_fg(tty, gc);
1.1 nicm 1606:
1.61 nicm 1607: /*
1608: * Set the background colour. This must come after the foreground as
1609: * tty_colour_fg() can call tty_reset().
1610: */
1.204 nicm 1611: if (gc->bg != 8 && gc->bg != tc->bg)
1.73 nicm 1612: tty_colours_bg(tty, gc);
1.1 nicm 1613: }
1614:
1.219 nicm 1615: static void
1616: tty_check_fg(struct tty *tty, const struct window_pane *wp,
1617: struct grid_cell *gc)
1.85 nicm 1618: {
1.204 nicm 1619: u_char r, g, b;
1620: u_int colours;
1.223 nicm 1621: int c;
1.85 nicm 1622:
1.219 nicm 1623: /* Perform substitution if this pane has a palette */
1624: if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
1.223 nicm 1625: (c = window_pane_get_palette(wp, gc->fg)) != -1)
1626: gc->fg = c;
1.219 nicm 1627:
1.199 nicm 1628: /* Is this a 24-bit colour? */
1.204 nicm 1629: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 1630: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1631: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1632: colour_split_rgb(gc->fg, &r, &g, &b);
1633: gc->fg = colour_find_rgb(r, g, b);
1634: } else
1.200 nicm 1635: return;
1.199 nicm 1636: }
1.224 nicm 1637:
1638: /* How many colours does this terminal have? */
1639: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1640: colours = 256;
1641: else
1642: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1643:
1.85 nicm 1644: /* Is this a 256-colour colour? */
1.204 nicm 1645: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 1646: /* And not a 256 colour mode? */
1.224 nicm 1647: if (colours != 256) {
1.85 nicm 1648: gc->fg = colour_256to16(gc->fg);
1649: if (gc->fg & 8) {
1650: gc->fg &= 7;
1.175 nicm 1651: if (colours >= 16)
1652: gc->fg += 90;
1653: else
1654: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1655: } else
1656: gc->attr &= ~GRID_ATTR_BRIGHT;
1657: }
1658: return;
1659: }
1660:
1661: /* Is this an aixterm colour? */
1662: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1663: gc->fg -= 90;
1664: gc->attr |= GRID_ATTR_BRIGHT;
1665: }
1666: }
1667:
1.219 nicm 1668: static void
1669: tty_check_bg(struct tty *tty, const struct window_pane *wp,
1670: struct grid_cell *gc)
1.85 nicm 1671: {
1.204 nicm 1672: u_char r, g, b;
1673: u_int colours;
1.223 nicm 1674: int c;
1.85 nicm 1675:
1.219 nicm 1676: /* Perform substitution if this pane has a palette */
1677: if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
1.223 nicm 1678: (c = window_pane_get_palette(wp, gc->bg)) != -1)
1679: gc->bg = c;
1.219 nicm 1680:
1.199 nicm 1681: /* Is this a 24-bit colour? */
1.204 nicm 1682: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 1683: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1684: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1685: colour_split_rgb(gc->bg, &r, &g, &b);
1686: gc->bg = colour_find_rgb(r, g, b);
1687: } else
1.200 nicm 1688: return;
1.199 nicm 1689: }
1.224 nicm 1690:
1691: /* How many colours does this terminal have? */
1692: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1693: colours = 256;
1694: else
1695: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1696:
1.85 nicm 1697: /* Is this a 256-colour colour? */
1.204 nicm 1698: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 1699: /*
1700: * And not a 256 colour mode? Translate to 16-colour
1701: * palette. Bold background doesn't exist portably, so just
1702: * discard the bold bit if set.
1703: */
1.224 nicm 1704: if (colours != 256) {
1.85 nicm 1705: gc->bg = colour_256to16(gc->bg);
1.175 nicm 1706: if (gc->bg & 8) {
1.85 nicm 1707: gc->bg &= 7;
1.175 nicm 1708: if (colours >= 16)
1709: gc->fg += 90;
1710: }
1.85 nicm 1711: }
1712: return;
1713: }
1714:
1715: /* Is this an aixterm colour? */
1.175 nicm 1716: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 1717: gc->bg -= 90;
1718: }
1719:
1.207 nicm 1720: static void
1.85 nicm 1721: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1722: {
1.61 nicm 1723: struct grid_cell *tc = &tty->cell;
1.79 nicm 1724: char s[32];
1.1 nicm 1725:
1.204 nicm 1726: /* Is this a 24-bit or 256-colour colour? */
1727: if (gc->fg & COLOUR_FLAG_RGB ||
1728: gc->fg & COLOUR_FLAG_256) {
1729: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 1730: goto save_fg;
1.199 nicm 1731: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 1732: return;
1.1 nicm 1733: }
1734:
1.79 nicm 1735: /* Is this an aixterm bright colour? */
1.204 nicm 1736: if (gc->fg >= 90 && gc->fg <= 97) {
1737: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
1.85 nicm 1738: tty_puts(tty, s);
1739: goto save_fg;
1.79 nicm 1740: }
1741:
1.61 nicm 1742: /* Otherwise set the foreground colour. */
1.204 nicm 1743: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 1744:
1.77 nicm 1745: save_fg:
1.61 nicm 1746: /* Save the new values in the terminal current cell. */
1.204 nicm 1747: tc->fg = gc->fg;
1.1 nicm 1748: }
1749:
1.207 nicm 1750: static void
1.73 nicm 1751: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1752: {
1.61 nicm 1753: struct grid_cell *tc = &tty->cell;
1.79 nicm 1754: char s[32];
1.1 nicm 1755:
1.204 nicm 1756: /* Is this a 24-bit or 256-colour colour? */
1757: if (gc->bg & COLOUR_FLAG_RGB ||
1758: gc->bg & COLOUR_FLAG_256) {
1759: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 1760: goto save_bg;
1.199 nicm 1761: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 1762: return;
1.79 nicm 1763: }
1764:
1765: /* Is this an aixterm bright colour? */
1.204 nicm 1766: if (gc->bg >= 90 && gc->bg <= 97) {
1767: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
1.175 nicm 1768: tty_puts(tty, s);
1769: goto save_bg;
1.1 nicm 1770: }
1771:
1.61 nicm 1772: /* Otherwise set the background colour. */
1.204 nicm 1773: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 1774:
1775: save_bg:
1776: /* Save the new values in the terminal current cell. */
1.204 nicm 1777: tc->bg = gc->bg;
1.61 nicm 1778: }
1779:
1.207 nicm 1780: static int
1.204 nicm 1781: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 1782: {
1.204 nicm 1783: u_char r, g, b;
1.61 nicm 1784: char s[32];
1785:
1.204 nicm 1786: if (colour & COLOUR_FLAG_256) {
1787: /*
1788: * If the user has specified -2 to the client, setaf and setab
1789: * may not work (or they may not want to use them), so send the
1790: * usual sequence.
1791: */
1792: if (tty->term_flags & TERM_256COLOURS)
1793: goto fallback_256;
1.189 nicm 1794:
1.204 nicm 1795: /*
1796: * If the terminfo entry has 256 colours and setaf and setab
1797: * exist, assume that they work correctly.
1798: */
1799: if (tty->term->flags & TERM_256COLOURS) {
1800: if (*type == '3') {
1801: if (!tty_term_has(tty->term, TTYC_SETAF))
1802: goto fallback_256;
1803: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
1804: } else {
1805: if (!tty_term_has(tty->term, TTYC_SETAB))
1806: goto fallback_256;
1807: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
1808: }
1809: return (0);
1.188 nicm 1810: }
1.204 nicm 1811: goto fallback_256;
1812: }
1813:
1814: if (colour & COLOUR_FLAG_RGB) {
1815: if (!tty_term_flag(tty->term, TTYC_TC))
1816: return (-1);
1817:
1818: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1819: xsnprintf(s, sizeof s, "\033[%s;2;%hhu;%hhu;%hhum", type,
1820: r, g, b);
1821: tty_puts(tty, s);
1.165 nicm 1822: return (0);
1823: }
1.61 nicm 1824:
1.165 nicm 1825: return (-1);
1.188 nicm 1826:
1.204 nicm 1827: fallback_256:
1828: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.188 nicm 1829: tty_puts(tty, s);
1830: return (0);
1.176 nicm 1831: }
1832:
1.207 nicm 1833: static void
1.176 nicm 1834: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
1835: {
1.203 nicm 1836: struct window *w = wp->window;
1837: struct options *oo = w->options;
1838: const struct grid_cell *agc, *pgc, *wgc;
1.223 nicm 1839: int c;
1.203 nicm 1840:
1841: if (w->flags & WINDOW_STYLECHANGED) {
1842: w->flags &= ~WINDOW_STYLECHANGED;
1843: agc = options_get_style(oo, "window-active-style");
1844: memcpy(&w->active_style, agc, sizeof w->active_style);
1845: wgc = options_get_style(oo, "window-style");
1846: memcpy(&w->style, wgc, sizeof w->style);
1847: } else {
1848: agc = &w->active_style;
1849: wgc = &w->style;
1850: }
1.176 nicm 1851: pgc = &wp->colgc;
1852:
1.204 nicm 1853: if (gc->fg == 8) {
1854: if (pgc->fg != 8)
1.176 nicm 1855: gc->fg = pgc->fg;
1.204 nicm 1856: else if (wp == w->active && agc->fg != 8)
1.176 nicm 1857: gc->fg = agc->fg;
1.204 nicm 1858: else
1.176 nicm 1859: gc->fg = wgc->fg;
1.219 nicm 1860:
1.223 nicm 1861: if (gc->fg != 8 &&
1862: (c = window_pane_get_palette(wp, gc->fg)) != -1)
1863: gc->fg = c;
1.176 nicm 1864: }
1865:
1.204 nicm 1866: if (gc->bg == 8) {
1867: if (pgc->bg != 8)
1.176 nicm 1868: gc->bg = pgc->bg;
1.204 nicm 1869: else if (wp == w->active && agc->bg != 8)
1.176 nicm 1870: gc->bg = agc->bg;
1.204 nicm 1871: else
1.176 nicm 1872: gc->bg = wgc->bg;
1.219 nicm 1873:
1.223 nicm 1874: if (gc->bg != 8 &&
1875: (c = window_pane_get_palette(wp, gc->bg)) != -1)
1876: gc->bg = c;
1.176 nicm 1877: }
1.210 nicm 1878: }
1879:
1880: static void
1881: tty_default_attributes(struct tty *tty, const struct window_pane *wp, u_int bg)
1882: {
1883: static struct grid_cell gc;
1884:
1885: memcpy(&gc, &grid_default_cell, sizeof gc);
1886: gc.bg = bg;
1887: tty_attributes(tty, &gc, wp);
1.1 nicm 1888: }
![[BACK]](/icons/back.gif){kind=icon}
Return to tty.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / tmux