Annotation of src/usr.bin/tmux/tty.c, Revision 1.232
1.232 ! nicm 1: /* $OpenBSD: tty.c,v 1.231 2017/02/07 17:13:28 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:
1.229 nicm 82: #define tty_pane_full_width(tty, ctx) \
1.132 nicm 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));
1.231 nicm 448: log_debug("%s: %s", tty->path, s);
1.1 nicm 449: }
450:
451: void
452: tty_putc(struct tty *tty, u_char ch)
453: {
1.90 nicm 454: const char *acs;
1.1 nicm 455:
1.90 nicm 456: if (tty->cell.attr & GRID_ATTR_CHARSET) {
457: acs = tty_acs_get(tty, ch);
1.231 nicm 458: if (acs != NULL) {
1.90 nicm 459: bufferevent_write(tty->event, acs, strlen(acs));
1.231 nicm 460: log_debug("%s: %s", tty->path, acs);
461: } else {
1.90 nicm 462: bufferevent_write(tty->event, &ch, 1);
1.231 nicm 463: log_debug("%s: %c", tty->path, ch);
464: }
465: } else {
1.90 nicm 466: bufferevent_write(tty->event, &ch, 1);
1.231 nicm 467: log_debug("%s: %c", tty->path, ch);
468: }
1.1 nicm 469:
470: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 471: if (tty->cx >= tty->sx) {
1.46 nicm 472: tty->cx = 1;
473: if (tty->cy != tty->rlower)
474: tty->cy++;
1.211 nicm 475:
476: /*
477: * On !xenl terminals, force the cursor position to
478: * where we think it should be after a line wrap - this
479: * means it works on sensible terminals as well.
480: */
481: if (tty->term->flags & TERM_EARLYWRAP)
482: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 483: } else
484: tty->cx++;
485: }
486:
1.192 nicm 487: if (tty_log_fd != -1)
488: write(tty_log_fd, &ch, 1);
1.1 nicm 489: }
490:
491: void
1.147 nicm 492: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 493: {
1.147 nicm 494: bufferevent_write(tty->event, buf, len);
1.231 nicm 495:
1.192 nicm 496: if (tty_log_fd != -1)
497: write(tty_log_fd, buf, len);
1.231 nicm 498: log_debug("%s: %.*s", tty->path, (int)len, (char *)buf);
499:
1.147 nicm 500: tty->cx += width;
1.5 nicm 501: }
502:
1.207 nicm 503: static void
1.180 nicm 504: tty_set_italics(struct tty *tty)
505: {
506: const char *s;
507:
508: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 509: s = options_get_string(global_options, "default-terminal");
1.180 nicm 510: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
511: tty_putcode(tty, TTYC_SITM);
512: return;
513: }
514: }
515: tty_putcode(tty, TTYC_SMSO);
516: }
517:
518: void
1.1 nicm 519: tty_set_title(struct tty *tty, const char *title)
520: {
1.105 nicm 521: if (!tty_term_has(tty->term, TTYC_TSL) ||
522: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 523: return;
524:
1.105 nicm 525: tty_putcode(tty, TTYC_TSL);
1.1 nicm 526: tty_puts(tty, title);
1.105 nicm 527: tty_putcode(tty, TTYC_FSL);
1.1 nicm 528: }
529:
1.208 nicm 530: static void
1.107 nicm 531: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
532: {
533: if (*ccolour == '\0')
534: tty_putcode(tty, TTYC_CR);
535: else
1.160 nicm 536: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 537: free(tty->ccolour);
1.107 nicm 538: tty->ccolour = xstrdup(ccolour);
539: }
540:
541: void
542: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 543: {
544: int changed;
545:
1.197 nicm 546: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 547: tty_force_cursor_colour(tty, s->ccolour);
548:
1.1 nicm 549: if (tty->flags & TTY_NOCURSOR)
550: mode &= ~MODE_CURSOR;
551:
552: changed = mode ^ tty->mode;
1.183 nicm 553: if (changed & MODE_BLINKING) {
554: if (tty_term_has(tty->term, TTYC_CVVIS))
555: tty_putcode(tty, TTYC_CVVIS);
556: else
557: tty_putcode(tty, TTYC_CNORM);
558: changed |= MODE_CURSOR;
559: }
560: if (changed & MODE_CURSOR) {
561: if (mode & MODE_CURSOR)
562: tty_putcode(tty, TTYC_CNORM);
563: else
1.1 nicm 564: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 565: }
1.181 nicm 566: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 567: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 568: if (s->cstyle == 0 &&
1.160 nicm 569: tty_term_has(tty->term, TTYC_SE))
570: tty_putcode(tty, TTYC_SE);
1.108 nicm 571: else
1.160 nicm 572: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 573: }
574: tty->cstyle = s->cstyle;
1.1 nicm 575: }
1.195 nicm 576: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 577: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 578: /*
579: * Enable the SGR (1006) extension unconditionally, as
1.221 nicm 580: * it is safe from misinterpretation.
1.153 nicm 581: */
582: tty_puts(tty, "\033[?1006h");
1.225 nicm 583: if (mode & MODE_MOUSE_ALL)
584: tty_puts(tty, "\033[?1003h");
585: else if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 586: tty_puts(tty, "\033[?1002h");
1.98 nicm 587: else if (mode & MODE_MOUSE_STANDARD)
588: tty_puts(tty, "\033[?1000h");
1.86 nicm 589: } else {
1.225 nicm 590: if (tty->mode & MODE_MOUSE_ALL)
591: tty_puts(tty, "\033[?1003l");
592: else if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 593: tty_puts(tty, "\033[?1002l");
1.98 nicm 594: else if (tty->mode & MODE_MOUSE_STANDARD)
595: tty_puts(tty, "\033[?1000l");
1.153 nicm 596: tty_puts(tty, "\033[?1006l");
1.86 nicm 597: }
1.76 nicm 598: }
599: if (changed & MODE_KKEYPAD) {
600: if (mode & MODE_KKEYPAD)
601: tty_putcode(tty, TTYC_SMKX);
602: else
603: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 604: }
605: if (changed & MODE_BRACKETPASTE) {
606: if (mode & MODE_BRACKETPASTE)
607: tty_puts(tty, "\033[?2004h");
608: else
609: tty_puts(tty, "\033[?2004l");
1.1 nicm 610: }
611: tty->mode = mode;
612: }
613:
1.207 nicm 614: static void
1.168 nicm 615: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
616: enum tty_code_code code1, u_int n)
1.1 nicm 617: {
618: if (tty_term_has(tty->term, code))
619: tty_putcode1(tty, code, n);
620: else {
621: while (n-- > 0)
622: tty_putcode(tty, code1);
623: }
624: }
625:
1.207 nicm 626: static void
1.133 nicm 627: tty_repeat_space(struct tty *tty, u_int n)
628: {
629: while (n-- > 0)
630: tty_putc(tty, ' ');
631: }
632:
1.1 nicm 633: /*
1.119 nicm 634: * Is the region large enough to be worth redrawing once later rather than
635: * probably several times now? Currently yes if it is more than 50% of the
636: * pane.
637: */
1.207 nicm 638: static int
1.194 nicm 639: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 640: {
641: struct window_pane *wp = ctx->wp;
642:
643: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
644: }
645:
646: /*
1.176 nicm 647: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
648: * emulated.
649: */
1.207 nicm 650: static int
1.210 nicm 651: tty_fake_bce(const struct tty *tty, const struct window_pane *wp, u_int bg)
1.176 nicm 652: {
653: struct grid_cell gc;
654:
1.210 nicm 655: if (tty_term_flag(tty->term, TTYC_BCE))
656: return (0);
657:
1.176 nicm 658: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 659: if (wp != NULL)
660: tty_default_colours(&gc, wp);
1.176 nicm 661:
1.210 nicm 662: if (bg != 8 || gc.bg != 8)
663: return (1);
664: return (0);
1.176 nicm 665: }
666:
667: /*
1.1 nicm 668: * Redraw scroll region using data from screen (already updated). Used when
669: * CSR not supported, or window is a pane that doesn't take up the full
670: * width of the terminal.
671: */
1.207 nicm 672: static void
1.24 nicm 673: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 674: {
1.14 nicm 675: struct window_pane *wp = ctx->wp;
676: struct screen *s = wp->screen;
1.204 nicm 677: u_int i;
1.1 nicm 678:
679: /*
1.119 nicm 680: * If region is large, schedule a window redraw. In most cases this is
681: * likely to be followed by some more scrolling.
1.1 nicm 682: */
1.119 nicm 683: if (tty_large_region(tty, ctx)) {
1.1 nicm 684: wp->flags |= PANE_REDRAW;
685: return;
686: }
687:
1.14 nicm 688: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
689: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176 nicm 690: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 691: } else {
1.14 nicm 692: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176 nicm 693: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 694: }
695: }
696:
697: void
1.176 nicm 698: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
699: u_int oy)
700: {
701: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
702: }
703:
704: void
705: tty_draw_line(struct tty *tty, const struct window_pane *wp,
706: struct screen *s, u_int py, u_int ox, u_int oy)
1.1 nicm 707: {
1.209 nicm 708: struct grid_cell gc, tmp_gc;
1.46 nicm 709: struct grid_line *gl;
1.1 nicm 710: u_int i, sx;
1.181 nicm 711: int flags;
1.1 nicm 712:
1.181 nicm 713: flags = tty->flags & TTY_NOCURSOR;
714: tty->flags |= TTY_NOCURSOR;
715: tty_update_mode(tty, tty->mode, s);
1.35 nicm 716:
1.214 nicm 717: tty_region_off(tty);
718: tty_margin_off(tty);
719:
1.1 nicm 720: sx = screen_size_x(s);
1.19 nicm 721: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
722: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 723: if (sx > tty->sx)
724: sx = tty->sx;
725:
1.46 nicm 726: /*
1.174 nicm 727: * Don't move the cursor to the start position if it will wrap there
1.50 nicm 728: * itself.
1.46 nicm 729: */
730: gl = NULL;
731: if (py != 0)
732: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 733: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 734: tty->cx < tty->sx || ox != 0 ||
735: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 736: tty_cursor(tty, ox, oy + py);
737:
1.1 nicm 738: for (i = 0; i < sx; i++) {
1.193 nicm 739: grid_view_get_cell(s->grid, i, py, &gc);
1.209 nicm 740: if (gc.flags & GRID_FLAG_SELECTED) {
741: screen_select_cell(s, &tmp_gc, &gc);
742: tty_cell(tty, &tmp_gc, wp);
743: } else
744: tty_cell(tty, &gc, wp);
1.1 nicm 745: }
746:
1.181 nicm 747: if (sx < tty->sx) {
1.210 nicm 748: tty_default_attributes(tty, wp, 8);
1.181 nicm 749:
750: tty_cursor(tty, ox + sx, oy + py);
751: if (sx != screen_size_x(s) &&
752: ox + screen_size_x(s) >= tty->sx &&
753: tty_term_has(tty->term, TTYC_EL) &&
1.210 nicm 754: !tty_fake_bce(tty, wp, 8))
1.181 nicm 755: tty_putcode(tty, TTYC_EL);
756: else
757: tty_repeat_space(tty, screen_size_x(s) - sx);
1.35 nicm 758: }
1.1 nicm 759:
1.181 nicm 760: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 761: tty_update_mode(tty, tty->mode, s);
1.15 nicm 762: }
763:
1.201 nicm 764: static int
1.182 nicm 765: tty_client_ready(struct client *c, struct window_pane *wp)
766: {
767: if (c->session == NULL || c->tty.term == NULL)
768: return (0);
769: if (c->flags & CLIENT_SUSPENDED)
770: return (0);
771: if (c->tty.flags & TTY_FREEZE)
772: return (0);
773: if (c->session->curw->window != wp->window)
774: return (0);
775: return (1);
776: }
777:
1.15 nicm 778: void
1.182 nicm 779: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
780: struct tty_ctx *ctx)
1.15 nicm 781: {
782: struct window_pane *wp = ctx->wp;
783: struct client *c;
784:
1.75 nicm 785: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 786: if (wp == NULL)
787: return;
788:
789: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
790: return;
1.129 nicm 791: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 792: return;
793:
1.178 nicm 794: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 795: if (!tty_client_ready(c, wp))
1.15 nicm 796: continue;
797:
1.139 nicm 798: ctx->xoff = wp->xoff;
799: ctx->yoff = wp->yoff;
800: if (status_at_line(c) == 0)
801: ctx->yoff++;
1.113 nicm 802:
1.139 nicm 803: cmdfn(&c->tty, ctx);
1.1 nicm 804: }
805: }
806:
807: void
1.24 nicm 808: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 809: {
1.77 nicm 810: struct window_pane *wp = ctx->wp;
1.1 nicm 811:
1.210 nicm 812: if (!tty_pane_full_width(tty, ctx) ||
813: tty_fake_bce(tty, wp, ctx->bg) ||
814: (!tty_term_has(tty->term, TTYC_ICH) &&
815: !tty_term_has(tty->term, TTYC_ICH1))) {
1.176 nicm 816: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 817: return;
818: }
819:
1.210 nicm 820: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 821:
1.77 nicm 822: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 823:
1.206 nicm 824: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 825: }
826:
827: void
1.24 nicm 828: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 829: {
1.77 nicm 830: struct window_pane *wp = ctx->wp;
1.1 nicm 831:
1.210 nicm 832: if (!tty_pane_full_width(tty, ctx) ||
833: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 834: (!tty_term_has(tty->term, TTYC_DCH) &&
835: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 836: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 837: return;
838: }
839:
1.210 nicm 840: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 841:
1.77 nicm 842: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 843:
1.206 nicm 844: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 845: }
846:
847: void
848: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
849: {
850: u_int i;
851:
1.176 nicm 852: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.146 nicm 853:
854: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
855:
1.210 nicm 856: if (tty_term_has(tty->term, TTYC_ECH) &&
857: !tty_fake_bce(tty, ctx->wp, ctx->bg))
1.146 nicm 858: tty_putcode1(tty, TTYC_ECH, ctx->num);
859: else {
860: for (i = 0; i < ctx->num; i++)
861: tty_putc(tty, ' ');
862: }
1.1 nicm 863: }
864:
865: void
1.24 nicm 866: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 867: {
1.210 nicm 868: if (!tty_pane_full_width(tty, ctx) ||
869: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 870: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 871: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 872: tty_redraw_region(tty, ctx);
1.1 nicm 873: return;
874: }
875:
1.210 nicm 876: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 877:
1.77 nicm 878: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 879: tty_margin_off(tty);
1.77 nicm 880: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 881:
1.12 nicm 882: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 883: }
884:
885: void
1.24 nicm 886: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 887: {
1.210 nicm 888: if (!tty_pane_full_width(tty, ctx) ||
889: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 890: !tty_term_has(tty->term, TTYC_CSR) ||
891: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 892: tty_redraw_region(tty, ctx);
1.1 nicm 893: return;
894: }
895:
1.210 nicm 896: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 897:
1.77 nicm 898: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 899: tty_margin_off(tty);
1.77 nicm 900: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 901:
1.12 nicm 902: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 903: }
904:
905: void
1.24 nicm 906: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 907: {
1.77 nicm 908: struct window_pane *wp = ctx->wp;
1.12 nicm 909: struct screen *s = wp->screen;
1.229 nicm 910: u_int sx = screen_size_x(s);
1.1 nicm 911:
1.210 nicm 912: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 913:
1.77 nicm 914: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 915:
1.210 nicm 916: if (tty_pane_full_width(tty, ctx) &&
917: !tty_fake_bce(tty, wp, ctx->bg) &&
1.176 nicm 918: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 919: tty_putcode(tty, TTYC_EL);
1.133 nicm 920: else
1.229 nicm 921: tty_repeat_space(tty, sx);
1.1 nicm 922: }
923:
924: void
1.24 nicm 925: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 926: {
1.77 nicm 927: struct window_pane *wp = ctx->wp;
1.12 nicm 928: struct screen *s = wp->screen;
1.229 nicm 929: u_int sx = screen_size_x(s);
1.1 nicm 930:
1.210 nicm 931: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 932:
1.41 nicm 933: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
934:
1.176 nicm 935: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 936: tty_term_has(tty->term, TTYC_EL) &&
937: !tty_fake_bce(tty, wp, ctx->bg))
1.1 nicm 938: tty_putcode(tty, TTYC_EL);
1.133 nicm 939: else
1.229 nicm 940: tty_repeat_space(tty, sx - ctx->ocx);
1.1 nicm 941: }
942:
943: void
1.24 nicm 944: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 945: {
1.210 nicm 946: struct window_pane *wp = ctx->wp;
947:
948: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 949:
1.230 nicm 950: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
951:
1.210 nicm 952: if (ctx->xoff == 0 &&
953: tty_term_has(tty->term, TTYC_EL1) &&
1.230 nicm 954: !tty_fake_bce(tty, ctx->wp, ctx->bg))
1.1 nicm 955: tty_putcode(tty, TTYC_EL1);
1.230 nicm 956: else
1.133 nicm 957: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 958: }
959:
960: void
1.24 nicm 961: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 962: {
1.56 nicm 963: if (ctx->ocy != ctx->orupper)
964: return;
965:
1.210 nicm 966: if (!tty_pane_full_width(tty, ctx) ||
967: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.70 nicm 968: !tty_term_has(tty->term, TTYC_CSR) ||
969: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 970: tty_redraw_region(tty, ctx);
1.1 nicm 971: return;
972: }
973:
1.176 nicm 974: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.77 nicm 975:
1.56 nicm 976: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 977: tty_margin_off(tty);
1.56 nicm 978: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 979:
1.56 nicm 980: tty_putcode(tty, TTYC_RI);
1.1 nicm 981: }
982:
983: void
1.24 nicm 984: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 985: {
1.77 nicm 986: struct window_pane *wp = ctx->wp;
1.1 nicm 987:
1.56 nicm 988: if (ctx->ocy != ctx->orlower)
989: return;
990:
1.212 nicm 991: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.210 nicm 992: tty_fake_bce(tty, wp, ctx->bg) ||
1.1 nicm 993: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 994: if (tty_large_region(tty, ctx))
995: wp->flags |= PANE_REDRAW;
1.140 nicm 996: else
1.128 nicm 997: tty_redraw_region(tty, ctx);
1.1 nicm 998: return;
999: }
1.52 nicm 1000:
1001: /*
1.212 nicm 1002: * If this line wrapped naturally (ctx->num is nonzero) and we are not
1003: * using margins, don't do anything - the cursor can just be moved
1004: * to the last cell and wrap naturally.
1.52 nicm 1005: */
1.214 nicm 1006: if ((!tty_use_margin(tty) ||
1007: tty_pane_full_width(tty, ctx)) &&
1.212 nicm 1008: ctx->num != 0 &&
1.216 nicm 1009: !(tty->term->flags & TERM_EARLYWRAP))
1.52 nicm 1010: return;
1.1 nicm 1011:
1.176 nicm 1012: tty_attributes(tty, &grid_default_cell, wp);
1.77 nicm 1013:
1.56 nicm 1014: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1015: tty_margin_pane(tty, ctx);
1016:
1017: /*
1018: * If we want to wrap a pane, the cursor needs to be exactly on the
1019: * right of the region. But if the pane isn't on the right, it may be
1020: * off the edge - if so, move the cursor back to the right.
1021: */
1022: if (ctx->xoff + ctx->ocx > tty->rright)
1.216 nicm 1023: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1.212 nicm 1024: else
1025: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1026:
1.56 nicm 1027: tty_putc(tty, '\n');
1.1 nicm 1028: }
1029:
1030: void
1.24 nicm 1031: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1032: {
1.77 nicm 1033: struct window_pane *wp = ctx->wp;
1.12 nicm 1034: struct screen *s = wp->screen;
1.204 nicm 1035: u_int i, j;
1.229 nicm 1036: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.1 nicm 1037:
1.210 nicm 1038: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1039:
1.229 nicm 1040: tty_region_pane(tty, ctx, 0, sy - 1);
1.214 nicm 1041: tty_margin_off(tty);
1.39 nicm 1042:
1.176 nicm 1043: if (tty_pane_full_width(tty, ctx) &&
1.229 nicm 1044: status_at_line(tty->client) <= 0 &&
1045: tty_term_has(tty->term, TTYC_ED)) {
1046: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1047: tty_putcode(tty, TTYC_ED);
1048: } else if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1049: tty_term_has(tty->term, TTYC_EL) &&
1050: !tty_fake_bce(tty, wp, ctx->bg)) {
1.229 nicm 1051: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1052: tty_putcode(tty, TTYC_EL);
1.229 nicm 1053: if (ctx->ocy != sy - 1) {
1.41 nicm 1054: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.229 nicm 1055: for (i = ctx->ocy + 1; i < sy; i++) {
1.1 nicm 1056: tty_putcode(tty, TTYC_EL);
1.229 nicm 1057: if (i == sy - 1)
1.1 nicm 1058: continue;
1059: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1060: tty->cy++;
1061: }
1062: }
1063: } else {
1.229 nicm 1064: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1065: tty_repeat_space(tty, sx - ctx->ocx);
1066: for (j = ctx->ocy + 1; j < sy; j++) {
1.41 nicm 1067: tty_cursor_pane(tty, ctx, 0, j);
1.229 nicm 1068: tty_repeat_space(tty, sx);
1.1 nicm 1069: }
1070: }
1071: }
1072:
1073: void
1.24 nicm 1074: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1075: {
1.77 nicm 1076: struct window_pane *wp = ctx->wp;
1.12 nicm 1077: struct screen *s = wp->screen;
1.204 nicm 1078: u_int i, j;
1.229 nicm 1079: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.1 nicm 1080:
1.227 nicm 1081: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1082:
1.229 nicm 1083: tty_region_pane(tty, ctx, 0, sy - 1);
1.214 nicm 1084: tty_margin_off(tty);
1.39 nicm 1085:
1.230 nicm 1086: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1087: tty_term_has(tty->term, TTYC_EL) &&
1088: !tty_fake_bce(tty, wp, ctx->bg)) {
1.229 nicm 1089: tty_cursor_pane(tty, ctx, 0, 0);
1.14 nicm 1090: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 1091: tty_putcode(tty, TTYC_EL);
1092: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1093: tty->cy++;
1094: }
1095: } else {
1.229 nicm 1096: tty_cursor_pane(tty, ctx, 0, 0);
1.14 nicm 1097: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 1098: tty_cursor_pane(tty, ctx, 0, j);
1.229 nicm 1099: tty_repeat_space(tty, sx);
1.1 nicm 1100: }
1101: }
1.229 nicm 1102: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 1103: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 1104: }
1105:
1106: void
1.24 nicm 1107: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1108: {
1.77 nicm 1109: struct window_pane *wp = ctx->wp;
1.12 nicm 1110: struct screen *s = wp->screen;
1.204 nicm 1111: u_int i, j;
1.229 nicm 1112: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.1 nicm 1113:
1.210 nicm 1114: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1115:
1.229 nicm 1116: tty_region_pane(tty, ctx, 0, sy - 1);
1.214 nicm 1117: tty_margin_off(tty);
1.39 nicm 1118:
1.176 nicm 1119: if (tty_pane_full_width(tty, ctx) &&
1.229 nicm 1120: status_at_line(tty->client) <= 0 &&
1121: tty_term_has(tty->term, TTYC_ED)) {
1122: tty_cursor_pane(tty, ctx, 0, 0);
1123: tty_putcode(tty, TTYC_ED);
1.230 nicm 1124: } else if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1125: tty_term_has(tty->term, TTYC_EL) &&
1126: !tty_fake_bce(tty, wp, ctx->bg)) {
1.229 nicm 1127: tty_cursor_pane(tty, ctx, 0, 0);
1128: for (i = 0; i < sy; i++) {
1.1 nicm 1129: tty_putcode(tty, TTYC_EL);
1.229 nicm 1130: if (i != sy - 1) {
1.1 nicm 1131: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1132: tty->cy++;
1133: }
1134: }
1135: } else {
1.229 nicm 1136: tty_cursor_pane(tty, ctx, 0, 0);
1137: for (j = 0; j < sy; j++) {
1.41 nicm 1138: tty_cursor_pane(tty, ctx, 0, j);
1.229 nicm 1139: tty_repeat_space(tty, sx);
1.1 nicm 1140: }
1.4 nicm 1141: }
1142: }
1143:
1144: void
1.24 nicm 1145: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1146: {
1.12 nicm 1147: struct window_pane *wp = ctx->wp;
1148: struct screen *s = wp->screen;
1149: u_int i, j;
1.4 nicm 1150:
1.176 nicm 1151: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1152:
1.39 nicm 1153: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1154: tty_margin_off(tty);
1.4 nicm 1155:
1156: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1157: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1158: for (i = 0; i < screen_size_x(s); i++)
1159: tty_putc(tty, 'E');
1.1 nicm 1160: }
1161: }
1162:
1163: void
1.24 nicm 1164: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1165: {
1.46 nicm 1166: struct window_pane *wp = ctx->wp;
1167: struct screen *s = wp->screen;
1.203 nicm 1168: u_int cx, width;
1.46 nicm 1169:
1.222 nicm 1170: if (ctx->xoff + ctx->ocx > tty->sx - 1 && ctx->ocy == ctx->orlower) {
1171: if (tty_pane_full_width(tty, ctx))
1172: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1173: else
1174: tty_margin_off(tty);
1175: }
1.46 nicm 1176:
1.57 nicm 1177: /* Is the cursor in the very last position? */
1.193 nicm 1178: width = ctx->cell->data.width;
1.102 nicm 1179: if (ctx->ocx > wp->sx - width) {
1.216 nicm 1180: if (!tty_pane_full_width(tty, ctx)) {
1.57 nicm 1181: /*
1182: * The pane doesn't fill the entire line, the linefeed
1183: * will already have happened, so just move the cursor.
1184: */
1.125 nicm 1185: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 1186: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1187: else
1188: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.218 nicm 1189: } else if (tty->cy != ctx->yoff + ctx->ocy ||
1190: tty->cx < tty->sx) {
1.57 nicm 1191: /*
1192: * The cursor isn't in the last position already, so
1.216 nicm 1193: * move as far right as possible and redraw the last
1.57 nicm 1194: * cell to move into the last position.
1195: */
1.193 nicm 1196: cx = screen_size_x(s) - ctx->last_cell.data.width;
1.50 nicm 1197: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1.176 nicm 1198: tty_cell(tty, &ctx->last_cell, wp);
1.50 nicm 1199: }
1200: } else
1.46 nicm 1201: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1202:
1.176 nicm 1203: tty_cell(tty, ctx->cell, wp);
1.106 nicm 1204: }
1205:
1206: void
1207: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1208: {
1209: char *buf;
1210: size_t off;
1211:
1212: if (!tty_term_has(tty->term, TTYC_MS))
1213: return;
1214:
1215: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1216: buf = xmalloc(off);
1217:
1218: b64_ntop(ctx->ptr, ctx->num, buf, off);
1219: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1220:
1.138 nicm 1221: free(buf);
1.100 nicm 1222: }
1223:
1224: void
1225: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1226: {
1227: u_int i;
1228: u_char *str = ctx->ptr;
1229:
1230: for (i = 0; i < ctx->num; i++)
1231: tty_putc(tty, str[i]);
1.141 nicm 1232:
1233: tty->cx = tty->cy = UINT_MAX;
1234: tty->rupper = tty->rlower = UINT_MAX;
1235:
1.176 nicm 1236: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.141 nicm 1237: tty_cursor(tty, 0, 0);
1.1 nicm 1238: }
1239:
1.207 nicm 1240: static void
1.176 nicm 1241: tty_cell(struct tty *tty, const struct grid_cell *gc,
1242: const struct window_pane *wp)
1.1 nicm 1243: {
1.193 nicm 1244: u_int i;
1.1 nicm 1245:
1246: /* Skip last character if terminal is stupid. */
1.211 nicm 1247: if ((tty->term->flags & TERM_EARLYWRAP) &&
1248: tty->cy == tty->sy - 1 &&
1249: tty->cx == tty->sx - 1)
1.1 nicm 1250: return;
1251:
1252: /* If this is a padding character, do nothing. */
1253: if (gc->flags & GRID_FLAG_PADDING)
1254: return;
1255:
1256: /* Set the attributes. */
1.176 nicm 1257: tty_attributes(tty, gc, wp);
1.1 nicm 1258:
1.147 nicm 1259: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.193 nicm 1260: if (gc->data.size == 1) {
1261: if (*gc->data.data < 0x20 || *gc->data.data == 0x7f)
1.1 nicm 1262: return;
1.193 nicm 1263: tty_putc(tty, *gc->data.data);
1.1 nicm 1264: return;
1265: }
1266:
1.147 nicm 1267: /* If not UTF-8, write _. */
1.1 nicm 1268: if (!(tty->flags & TTY_UTF8)) {
1.193 nicm 1269: for (i = 0; i < gc->data.width; i++)
1.1 nicm 1270: tty_putc(tty, '_');
1271: return;
1272: }
1273:
1.147 nicm 1274: /* Write the data. */
1.193 nicm 1275: tty_putn(tty, gc->data.data, gc->data.size, gc->data.width);
1.1 nicm 1276: }
1277:
1278: void
1279: tty_reset(struct tty *tty)
1280: {
1281: struct grid_cell *gc = &tty->cell;
1282:
1.228 nicm 1283: if (!grid_cells_equal(gc, &grid_default_cell)) {
1284: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1285: tty_putcode(tty, TTYC_RMACS);
1286: tty_putcode(tty, TTYC_SGR0);
1287: memcpy(gc, &grid_default_cell, sizeof *gc);
1288: }
1.1 nicm 1289:
1.228 nicm 1290: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1291: tty->last_wp = -1;
1.1 nicm 1292: }
1293:
1.214 nicm 1294: /* Turn off margin. */
1295: void
1296: tty_region_off(struct tty *tty)
1297: {
1298: tty_region(tty, 0, tty->sy - 1);
1299: }
1300:
1.40 nicm 1301: /* Set region inside pane. */
1.208 nicm 1302: static void
1.196 nicm 1303: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1304: u_int rlower)
1.1 nicm 1305: {
1.113 nicm 1306: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1307: }
1308:
1.40 nicm 1309: /* Set region at absolute position. */
1.214 nicm 1310: static void
1.40 nicm 1311: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1312: {
1313: if (tty->rlower == rlower && tty->rupper == rupper)
1314: return;
1.1 nicm 1315: if (!tty_term_has(tty->term, TTYC_CSR))
1316: return;
1.39 nicm 1317:
1318: tty->rupper = rupper;
1319: tty->rlower = rlower;
1.55 nicm 1320:
1321: /*
1322: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1323: * 0,0 if it is beyond the last column (they do not reset their wrap
1324: * flag so further output causes a line feed). As a workaround, do an
1325: * explicit move to 0 first.
1326: */
1327: if (tty->cx >= tty->sx)
1328: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1329:
1.39 nicm 1330: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 1331: tty->cx = tty->cy = 0;
1.212 nicm 1332: }
1333:
1.214 nicm 1334: /* Turn off margin. */
1335: void
1336: tty_margin_off(struct tty *tty)
1337: {
1338: tty_margin(tty, 0, tty->sx - 1);
1339: }
1340:
1.212 nicm 1341: /* Set margin inside pane. */
1342: static void
1343: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
1344: {
1345: tty_margin(tty, ctx->xoff, ctx->xoff + ctx->wp->sx - 1);
1346: }
1347:
1348: /* Set margin at absolute position. */
1.214 nicm 1349: static void
1.212 nicm 1350: tty_margin(struct tty *tty, u_int rleft, u_int rright)
1351: {
1352: char s[64];
1353:
1354: if (!tty_use_margin(tty))
1355: return;
1356: if (tty->rleft == rleft && tty->rright == rright)
1357: return;
1358:
1.232 ! nicm 1359: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 1360:
1.212 nicm 1361: tty->rleft = rleft;
1362: tty->rright = rright;
1363:
1.232 ! nicm 1364: if (rleft == 0 && rright == tty->sx - 1)
! 1365: snprintf(s, sizeof s, "\033[s");
! 1366: else
! 1367: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 1368: tty_puts(tty, s);
1.231 nicm 1369: tty->cx = tty->cy = 0;
1.1 nicm 1370: }
1371:
1.42 nicm 1372: /* Move cursor inside pane. */
1.208 nicm 1373: static void
1.41 nicm 1374: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1375: {
1.113 nicm 1376: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1377: }
1378:
1.42 nicm 1379: /* Move cursor to absolute position. */
1.41 nicm 1380: void
1381: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1382: {
1.42 nicm 1383: struct tty_term *term = tty->term;
1384: u_int thisx, thisy;
1385: int change;
1.77 nicm 1386:
1.42 nicm 1387: if (cx > tty->sx - 1)
1388: cx = tty->sx - 1;
1389:
1390: thisx = tty->cx;
1391: thisy = tty->cy;
1392:
1393: /* No change. */
1394: if (cx == thisx && cy == thisy)
1395: return;
1396:
1.43 nicm 1397: /* Very end of the line, just use absolute movement. */
1398: if (thisx > tty->sx - 1)
1399: goto absolute;
1400:
1.42 nicm 1401: /* Move to home position (0, 0). */
1402: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1403: tty_putcode(tty, TTYC_HOME);
1404: goto out;
1405: }
1406:
1407: /* Zero on the next line. */
1.48 nicm 1408: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1409: tty_putc(tty, '\r');
1.42 nicm 1410: tty_putc(tty, '\n');
1411: goto out;
1412: }
1413:
1.45 nicm 1414: /* Moving column or row. */
1.42 nicm 1415: if (cy == thisy) {
1.45 nicm 1416: /*
1417: * Moving column only, row staying the same.
1418: */
1419:
1.42 nicm 1420: /* To left edge. */
1.202 nicm 1421: if (cx == 0) {
1.42 nicm 1422: tty_putc(tty, '\r');
1423: goto out;
1424: }
1425:
1426: /* One to the left. */
1427: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1428: tty_putcode(tty, TTYC_CUB1);
1429: goto out;
1430: }
1431:
1432: /* One to the right. */
1433: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1434: tty_putcode(tty, TTYC_CUF1);
1435: goto out;
1436: }
1437:
1438: /* Calculate difference. */
1439: change = thisx - cx; /* +ve left, -ve right */
1440:
1441: /*
1442: * Use HPA if change is larger than absolute, otherwise move
1443: * the cursor with CUB/CUF.
1444: */
1.87 nicm 1445: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1446: tty_putcode1(tty, TTYC_HPA, cx);
1447: goto out;
1448: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1.202 nicm 1449: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
1450: tty_putcode(tty, TTYC_CUB1);
1451: tty_putcode(tty, TTYC_CUB1);
1452: goto out;
1453: }
1.42 nicm 1454: tty_putcode1(tty, TTYC_CUB, change);
1455: goto out;
1456: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1457: tty_putcode1(tty, TTYC_CUF, -change);
1458: goto out;
1459: }
1.45 nicm 1460: } else if (cx == thisx) {
1461: /*
1462: * Moving row only, column staying the same.
1463: */
1.42 nicm 1464:
1465: /* One above. */
1.77 nicm 1466: if (thisy != tty->rupper &&
1.42 nicm 1467: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1468: tty_putcode(tty, TTYC_CUU1);
1469: goto out;
1470: }
1471:
1472: /* One below. */
1.49 nicm 1473: if (thisy != tty->rlower &&
1.42 nicm 1474: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1475: tty_putcode(tty, TTYC_CUD1);
1476: goto out;
1477: }
1478:
1479: /* Calculate difference. */
1480: change = thisy - cy; /* +ve up, -ve down */
1481:
1482: /*
1.77 nicm 1483: * Try to use VPA if change is larger than absolute or if this
1484: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1485: */
1.87 nicm 1486: if ((u_int) abs(change) > cy ||
1.42 nicm 1487: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1488: (change > 0 && cy - change < tty->rupper)) {
1489: if (tty_term_has(term, TTYC_VPA)) {
1490: tty_putcode1(tty, TTYC_VPA, cy);
1491: goto out;
1492: }
1.42 nicm 1493: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1494: tty_putcode1(tty, TTYC_CUU, change);
1495: goto out;
1496: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1497: tty_putcode1(tty, TTYC_CUD, -change);
1498: goto out;
1499: }
1500: }
1501:
1.43 nicm 1502: absolute:
1.42 nicm 1503: /* Absolute movement. */
1504: tty_putcode2(tty, TTYC_CUP, cy, cx);
1505:
1506: out:
1507: tty->cx = cx;
1508: tty->cy = cy;
1.1 nicm 1509: }
1510:
1511: void
1.176 nicm 1512: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1513: const struct window_pane *wp)
1.1 nicm 1514: {
1.63 nicm 1515: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1516: u_char changed;
1.61 nicm 1517:
1.228 nicm 1518: /* Ignore cell if it is the same as the last one. */
1519: if (wp != NULL &&
1520: (int)wp->id == tty->last_wp &&
1521: ~(wp->window->flags & WINDOW_STYLECHANGED) &&
1522: gc->attr == tty->last_cell.attr &&
1523: gc->fg == tty->last_cell.fg &&
1524: gc->bg == tty->last_cell.bg)
1525: return;
1526: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
1527: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
1528:
1529: /* Copy cell and update default colours. */
1.85 nicm 1530: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 1531: if (wp != NULL)
1532: tty_default_colours(&gc2, wp);
1.63 nicm 1533:
1.18 nicm 1534: /*
1535: * If no setab, try to use the reverse attribute as a best-effort for a
1536: * non-default background. This is a bit of a hack but it doesn't do
1537: * any serious harm and makes a couple of applications happier.
1538: */
1539: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1540: if (gc2.attr & GRID_ATTR_REVERSE) {
1541: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1542: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1543: } else {
1.85 nicm 1544: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1545: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1546: }
1547: }
1.1 nicm 1548:
1.85 nicm 1549: /* Fix up the colours if necessary. */
1.219 nicm 1550: tty_check_fg(tty, wp, &gc2);
1551: tty_check_bg(tty, wp, &gc2);
1.85 nicm 1552:
1.64 nicm 1553: /* If any bits are being cleared, reset everything. */
1.85 nicm 1554: if (tc->attr & ~gc2.attr)
1.64 nicm 1555: tty_reset(tty);
1556:
1557: /*
1558: * Set the colours. This may call tty_reset() (so it comes next) and
1559: * may add to (NOT remove) the desired attributes by changing new_attr.
1560: */
1.85 nicm 1561: tty_colours(tty, &gc2);
1.64 nicm 1562:
1.1 nicm 1563: /* Filter out attribute bits already set. */
1.85 nicm 1564: changed = gc2.attr & ~tc->attr;
1565: tc->attr = gc2.attr;
1.1 nicm 1566:
1567: /* Set the attributes. */
1568: if (changed & GRID_ATTR_BRIGHT)
1569: tty_putcode(tty, TTYC_BOLD);
1570: if (changed & GRID_ATTR_DIM)
1571: tty_putcode(tty, TTYC_DIM);
1.180 nicm 1572: if (changed & GRID_ATTR_ITALICS)
1573: tty_set_italics(tty);
1.1 nicm 1574: if (changed & GRID_ATTR_UNDERSCORE)
1575: tty_putcode(tty, TTYC_SMUL);
1576: if (changed & GRID_ATTR_BLINK)
1577: tty_putcode(tty, TTYC_BLINK);
1578: if (changed & GRID_ATTR_REVERSE) {
1579: if (tty_term_has(tty->term, TTYC_REV))
1580: tty_putcode(tty, TTYC_REV);
1581: else if (tty_term_has(tty->term, TTYC_SMSO))
1582: tty_putcode(tty, TTYC_SMSO);
1583: }
1584: if (changed & GRID_ATTR_HIDDEN)
1585: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1586: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1587: tty_putcode(tty, TTYC_SMACS);
1588: }
1589:
1.207 nicm 1590: static void
1.85 nicm 1591: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1592: {
1.61 nicm 1593: struct grid_cell *tc = &tty->cell;
1.204 nicm 1594: int have_ax;
1.61 nicm 1595:
1596: /* No changes? Nothing is necessary. */
1.204 nicm 1597: if (gc->fg == tc->fg && gc->bg == tc->bg)
1.63 nicm 1598: return;
1.1 nicm 1599:
1.61 nicm 1600: /*
1601: * Is either the default colour? This is handled specially because the
1602: * best solution might be to reset both colours to default, in which
1603: * case if only one is default need to fall onward to set the other
1604: * colour.
1605: */
1.204 nicm 1606: if (gc->fg == 8 || gc->bg == 8) {
1.61 nicm 1607: /*
1608: * If don't have AX but do have op, send sgr0 (op can't
1609: * actually be used because it is sometimes the same as sgr0
1610: * and sometimes isn't). This resets both colours to default.
1611: *
1612: * Otherwise, try to set the default colour only as needed.
1613: */
1.174 nicm 1614: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 1615: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1616: tty_reset(tty);
1617: else {
1.204 nicm 1618: if (gc->fg == 8 && tc->fg != 8) {
1.61 nicm 1619: if (have_ax)
1620: tty_puts(tty, "\033[39m");
1.204 nicm 1621: else if (tc->fg != 7)
1.61 nicm 1622: tty_putcode1(tty, TTYC_SETAF, 7);
1623: tc->fg = 8;
1624: }
1.204 nicm 1625: if (gc->bg == 8 && tc->bg != 8) {
1.77 nicm 1626: if (have_ax)
1.61 nicm 1627: tty_puts(tty, "\033[49m");
1.204 nicm 1628: else if (tc->bg != 0)
1.61 nicm 1629: tty_putcode1(tty, TTYC_SETAB, 0);
1630: tc->bg = 8;
1631: }
1632: }
1633: }
1.1 nicm 1634:
1.61 nicm 1635: /* Set the foreground colour. */
1.204 nicm 1636: if (gc->fg != 8 && gc->fg != tc->fg)
1.85 nicm 1637: tty_colours_fg(tty, gc);
1.1 nicm 1638:
1.61 nicm 1639: /*
1640: * Set the background colour. This must come after the foreground as
1641: * tty_colour_fg() can call tty_reset().
1642: */
1.204 nicm 1643: if (gc->bg != 8 && gc->bg != tc->bg)
1.73 nicm 1644: tty_colours_bg(tty, gc);
1.1 nicm 1645: }
1646:
1.219 nicm 1647: static void
1648: tty_check_fg(struct tty *tty, const struct window_pane *wp,
1649: struct grid_cell *gc)
1.85 nicm 1650: {
1.204 nicm 1651: u_char r, g, b;
1652: u_int colours;
1.223 nicm 1653: int c;
1.85 nicm 1654:
1.219 nicm 1655: /* Perform substitution if this pane has a palette */
1656: if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
1.223 nicm 1657: (c = window_pane_get_palette(wp, gc->fg)) != -1)
1658: gc->fg = c;
1.219 nicm 1659:
1.199 nicm 1660: /* Is this a 24-bit colour? */
1.204 nicm 1661: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 1662: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1663: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1664: colour_split_rgb(gc->fg, &r, &g, &b);
1665: gc->fg = colour_find_rgb(r, g, b);
1666: } else
1.200 nicm 1667: return;
1.199 nicm 1668: }
1.224 nicm 1669:
1670: /* How many colours does this terminal have? */
1671: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1672: colours = 256;
1673: else
1674: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1675:
1.85 nicm 1676: /* Is this a 256-colour colour? */
1.204 nicm 1677: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 1678: /* And not a 256 colour mode? */
1.224 nicm 1679: if (colours != 256) {
1.85 nicm 1680: gc->fg = colour_256to16(gc->fg);
1681: if (gc->fg & 8) {
1682: gc->fg &= 7;
1.175 nicm 1683: if (colours >= 16)
1684: gc->fg += 90;
1685: else
1686: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1687: } else
1688: gc->attr &= ~GRID_ATTR_BRIGHT;
1689: }
1690: return;
1691: }
1692:
1693: /* Is this an aixterm colour? */
1694: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1695: gc->fg -= 90;
1696: gc->attr |= GRID_ATTR_BRIGHT;
1697: }
1698: }
1699:
1.219 nicm 1700: static void
1701: tty_check_bg(struct tty *tty, const struct window_pane *wp,
1702: struct grid_cell *gc)
1.85 nicm 1703: {
1.204 nicm 1704: u_char r, g, b;
1705: u_int colours;
1.223 nicm 1706: int c;
1.85 nicm 1707:
1.219 nicm 1708: /* Perform substitution if this pane has a palette */
1709: if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
1.223 nicm 1710: (c = window_pane_get_palette(wp, gc->bg)) != -1)
1711: gc->bg = c;
1.219 nicm 1712:
1.199 nicm 1713: /* Is this a 24-bit colour? */
1.204 nicm 1714: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 1715: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1716: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1717: colour_split_rgb(gc->bg, &r, &g, &b);
1718: gc->bg = colour_find_rgb(r, g, b);
1719: } else
1.200 nicm 1720: return;
1.199 nicm 1721: }
1.224 nicm 1722:
1723: /* How many colours does this terminal have? */
1724: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1725: colours = 256;
1726: else
1727: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1728:
1.85 nicm 1729: /* Is this a 256-colour colour? */
1.204 nicm 1730: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 1731: /*
1732: * And not a 256 colour mode? Translate to 16-colour
1733: * palette. Bold background doesn't exist portably, so just
1734: * discard the bold bit if set.
1735: */
1.224 nicm 1736: if (colours != 256) {
1.85 nicm 1737: gc->bg = colour_256to16(gc->bg);
1.175 nicm 1738: if (gc->bg & 8) {
1.85 nicm 1739: gc->bg &= 7;
1.175 nicm 1740: if (colours >= 16)
1741: gc->fg += 90;
1742: }
1.85 nicm 1743: }
1744: return;
1745: }
1746:
1747: /* Is this an aixterm colour? */
1.175 nicm 1748: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 1749: gc->bg -= 90;
1750: }
1751:
1.207 nicm 1752: static void
1.85 nicm 1753: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1754: {
1.61 nicm 1755: struct grid_cell *tc = &tty->cell;
1.79 nicm 1756: char s[32];
1.1 nicm 1757:
1.204 nicm 1758: /* Is this a 24-bit or 256-colour colour? */
1759: if (gc->fg & COLOUR_FLAG_RGB ||
1760: gc->fg & COLOUR_FLAG_256) {
1761: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 1762: goto save_fg;
1.199 nicm 1763: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 1764: return;
1.1 nicm 1765: }
1766:
1.79 nicm 1767: /* Is this an aixterm bright colour? */
1.204 nicm 1768: if (gc->fg >= 90 && gc->fg <= 97) {
1769: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
1.85 nicm 1770: tty_puts(tty, s);
1771: goto save_fg;
1.79 nicm 1772: }
1773:
1.61 nicm 1774: /* Otherwise set the foreground colour. */
1.204 nicm 1775: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 1776:
1.77 nicm 1777: save_fg:
1.61 nicm 1778: /* Save the new values in the terminal current cell. */
1.204 nicm 1779: tc->fg = gc->fg;
1.1 nicm 1780: }
1781:
1.207 nicm 1782: static void
1.73 nicm 1783: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1784: {
1.61 nicm 1785: struct grid_cell *tc = &tty->cell;
1.79 nicm 1786: char s[32];
1.1 nicm 1787:
1.204 nicm 1788: /* Is this a 24-bit or 256-colour colour? */
1789: if (gc->bg & COLOUR_FLAG_RGB ||
1790: gc->bg & COLOUR_FLAG_256) {
1791: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 1792: goto save_bg;
1.199 nicm 1793: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 1794: return;
1.79 nicm 1795: }
1796:
1797: /* Is this an aixterm bright colour? */
1.204 nicm 1798: if (gc->bg >= 90 && gc->bg <= 97) {
1799: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
1.175 nicm 1800: tty_puts(tty, s);
1801: goto save_bg;
1.1 nicm 1802: }
1803:
1.61 nicm 1804: /* Otherwise set the background colour. */
1.204 nicm 1805: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 1806:
1807: save_bg:
1808: /* Save the new values in the terminal current cell. */
1.204 nicm 1809: tc->bg = gc->bg;
1.61 nicm 1810: }
1811:
1.207 nicm 1812: static int
1.204 nicm 1813: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 1814: {
1.204 nicm 1815: u_char r, g, b;
1.61 nicm 1816: char s[32];
1817:
1.204 nicm 1818: if (colour & COLOUR_FLAG_256) {
1819: /*
1820: * If the user has specified -2 to the client, setaf and setab
1821: * may not work (or they may not want to use them), so send the
1822: * usual sequence.
1823: */
1824: if (tty->term_flags & TERM_256COLOURS)
1825: goto fallback_256;
1.189 nicm 1826:
1.204 nicm 1827: /*
1828: * If the terminfo entry has 256 colours and setaf and setab
1829: * exist, assume that they work correctly.
1830: */
1831: if (tty->term->flags & TERM_256COLOURS) {
1832: if (*type == '3') {
1833: if (!tty_term_has(tty->term, TTYC_SETAF))
1834: goto fallback_256;
1835: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
1836: } else {
1837: if (!tty_term_has(tty->term, TTYC_SETAB))
1838: goto fallback_256;
1839: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
1840: }
1841: return (0);
1.188 nicm 1842: }
1.204 nicm 1843: goto fallback_256;
1844: }
1845:
1846: if (colour & COLOUR_FLAG_RGB) {
1847: if (!tty_term_flag(tty->term, TTYC_TC))
1848: return (-1);
1849:
1850: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1851: xsnprintf(s, sizeof s, "\033[%s;2;%hhu;%hhu;%hhum", type,
1852: r, g, b);
1853: tty_puts(tty, s);
1.165 nicm 1854: return (0);
1855: }
1.61 nicm 1856:
1.165 nicm 1857: return (-1);
1.188 nicm 1858:
1.204 nicm 1859: fallback_256:
1860: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.188 nicm 1861: tty_puts(tty, s);
1862: return (0);
1.176 nicm 1863: }
1864:
1.207 nicm 1865: static void
1.176 nicm 1866: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
1867: {
1.203 nicm 1868: struct window *w = wp->window;
1869: struct options *oo = w->options;
1870: const struct grid_cell *agc, *pgc, *wgc;
1.223 nicm 1871: int c;
1.203 nicm 1872:
1873: if (w->flags & WINDOW_STYLECHANGED) {
1874: w->flags &= ~WINDOW_STYLECHANGED;
1875: agc = options_get_style(oo, "window-active-style");
1876: memcpy(&w->active_style, agc, sizeof w->active_style);
1877: wgc = options_get_style(oo, "window-style");
1878: memcpy(&w->style, wgc, sizeof w->style);
1879: } else {
1880: agc = &w->active_style;
1881: wgc = &w->style;
1882: }
1.176 nicm 1883: pgc = &wp->colgc;
1884:
1.204 nicm 1885: if (gc->fg == 8) {
1886: if (pgc->fg != 8)
1.176 nicm 1887: gc->fg = pgc->fg;
1.204 nicm 1888: else if (wp == w->active && agc->fg != 8)
1.176 nicm 1889: gc->fg = agc->fg;
1.204 nicm 1890: else
1.176 nicm 1891: gc->fg = wgc->fg;
1.219 nicm 1892:
1.223 nicm 1893: if (gc->fg != 8 &&
1894: (c = window_pane_get_palette(wp, gc->fg)) != -1)
1895: gc->fg = c;
1.176 nicm 1896: }
1897:
1.204 nicm 1898: if (gc->bg == 8) {
1899: if (pgc->bg != 8)
1.176 nicm 1900: gc->bg = pgc->bg;
1.204 nicm 1901: else if (wp == w->active && agc->bg != 8)
1.176 nicm 1902: gc->bg = agc->bg;
1.204 nicm 1903: else
1.176 nicm 1904: gc->bg = wgc->bg;
1.219 nicm 1905:
1.223 nicm 1906: if (gc->bg != 8 &&
1907: (c = window_pane_get_palette(wp, gc->bg)) != -1)
1908: gc->bg = c;
1.176 nicm 1909: }
1.210 nicm 1910: }
1911:
1912: static void
1913: tty_default_attributes(struct tty *tty, const struct window_pane *wp, u_int bg)
1914: {
1915: static struct grid_cell gc;
1916:
1917: memcpy(&gc, &grid_default_cell, sizeof gc);
1918: gc.bg = bg;
1919: tty_attributes(tty, &gc, wp);
1.1 nicm 1920: }
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