Annotation of src/usr.bin/tmux/tty.c, Revision 1.193
1.193 ! nicm 1: /* $OpenBSD: tty.c,v 1.192 2015/10/31 13:12:03 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/ioctl.h>
21:
1.106 nicm 22: #include <netinet/in.h>
23:
1.1 nicm 24: #include <errno.h>
25: #include <fcntl.h>
1.106 nicm 26: #include <resolv.h>
1.42 nicm 27: #include <stdlib.h>
1.1 nicm 28: #include <string.h>
29: #include <termios.h>
30: #include <unistd.h>
31:
32: #include "tmux.h"
33:
1.192 nicm 34: static int tty_log_fd = -1;
35:
1.67 nicm 36: void tty_read_callback(struct bufferevent *, void *);
1.66 nicm 37: void tty_error_callback(struct bufferevent *, short, void *);
38:
1.180 nicm 39: void tty_set_italics(struct tty *);
1.1 nicm 40: int tty_try_256(struct tty *, u_char, const char *);
41:
1.85 nicm 42: void tty_colours(struct tty *, const struct grid_cell *);
43: void tty_check_fg(struct tty *, struct grid_cell *);
44: void tty_check_bg(struct tty *, struct grid_cell *);
45: void tty_colours_fg(struct tty *, const struct grid_cell *);
1.73 nicm 46: void tty_colours_bg(struct tty *, const struct grid_cell *);
1.1 nicm 47:
1.120 nicm 48: int tty_large_region(struct tty *, const struct tty_ctx *);
1.176 nicm 49: int tty_fake_bce(const struct tty *, const struct window_pane *);
1.24 nicm 50: void tty_redraw_region(struct tty *, const struct tty_ctx *);
1.13 nicm 51: void tty_emulate_repeat(
52: struct tty *, enum tty_code_code, enum tty_code_code, u_int);
1.133 nicm 53: void tty_repeat_space(struct tty *, u_int);
1.176 nicm 54: void tty_cell(struct tty *, const struct grid_cell *,
55: const struct window_pane *);
56: void tty_default_colours(struct grid_cell *, const struct window_pane *);
1.1 nicm 57:
1.90 nicm 58: #define tty_use_acs(tty) \
1.131 nicm 59: (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.90 nicm 60:
1.132 nicm 61: #define tty_pane_full_width(tty, ctx) \
62: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
63:
1.192 nicm 64: void
65: tty_create_log(void)
66: {
67: char name[64];
68:
69: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
70:
71: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
72: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
73: fatal("fcntl failed");
74: }
75:
1.185 nicm 76: int
1.136 nicm 77: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 78: {
1.30 nicm 79: char *path;
80:
1.185 nicm 81: if (!isatty(fd))
82: return (-1);
83:
1.30 nicm 84: memset(tty, 0, sizeof *tty);
1.22 nicm 85:
1.9 nicm 86: if (term == NULL || *term == '\0')
1.1 nicm 87: tty->termname = xstrdup("unknown");
88: else
89: tty->termname = xstrdup(term);
1.30 nicm 90: tty->fd = fd;
1.136 nicm 91: tty->client = c;
1.30 nicm 92:
93: if ((path = ttyname(fd)) == NULL)
1.185 nicm 94: return (-1);
1.30 nicm 95: tty->path = xstrdup(path);
1.108 nicm 96: tty->cstyle = 0;
1.107 nicm 97: tty->ccolour = xstrdup("");
1.30 nicm 98:
1.1 nicm 99: tty->flags = 0;
100: tty->term_flags = 0;
1.185 nicm 101:
102: return (0);
1.31 nicm 103: }
104:
1.88 nicm 105: int
1.31 nicm 106: tty_resize(struct tty *tty)
107: {
108: struct winsize ws;
1.88 nicm 109: u_int sx, sy;
1.31 nicm 110:
111: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 112: sx = ws.ws_col;
113: if (sx == 0)
114: sx = 80;
115: sy = ws.ws_row;
116: if (sy == 0)
117: sy = 24;
118: } else {
119: sx = 80;
120: sy = 24;
1.31 nicm 121: }
1.114 nicm 122: if (!tty_set_size(tty, sx, sy))
1.88 nicm 123: return (0);
1.31 nicm 124:
125: tty->cx = UINT_MAX;
126: tty->cy = UINT_MAX;
127:
128: tty->rupper = UINT_MAX;
129: tty->rlower = UINT_MAX;
1.88 nicm 130:
131: /*
132: * If the terminal has been started, reset the actual scroll region and
133: * cursor position, as this may not have happened.
134: */
135: if (tty->flags & TTY_STARTED) {
136: tty_cursor(tty, 0, 0);
137: tty_region(tty, 0, tty->sy - 1);
138: }
139:
1.114 nicm 140: return (1);
141: }
142:
143: int
144: tty_set_size(struct tty *tty, u_int sx, u_int sy) {
145: if (sx == tty->sx && sy == tty->sy)
146: return (0);
147: tty->sx = sx;
148: tty->sy = sy;
1.88 nicm 149: return (1);
1.1 nicm 150: }
151:
152: int
1.166 nicm 153: tty_open(struct tty *tty, char **cause)
1.1 nicm 154: {
1.166 nicm 155: tty->term = tty_term_find(tty->termname, tty->fd, cause);
1.21 nicm 156: if (tty->term == NULL) {
157: tty_close(tty);
158: return (-1);
159: }
160: tty->flags |= TTY_OPENED;
1.1 nicm 161:
1.149 nicm 162: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_TIMER);
1.1 nicm 163:
1.66 nicm 164: tty->event = bufferevent_new(
1.67 nicm 165: tty->fd, tty_read_callback, NULL, tty_error_callback, tty);
1.1 nicm 166:
167: tty_start_tty(tty);
168:
1.148 nicm 169: tty_keys_build(tty);
1.1 nicm 170:
171: return (0);
172: }
173:
174: void
1.67 nicm 175: tty_read_callback(unused struct bufferevent *bufev, void *data)
176: {
177: struct tty *tty = data;
178:
179: while (tty_keys_next(tty))
180: ;
181: }
182:
183: void
1.66 nicm 184: tty_error_callback(
185: unused struct bufferevent *bufev, unused short what, unused void *data)
186: {
187: }
188:
189: void
1.127 nicm 190: tty_init_termios(int fd, struct termios *orig_tio, struct bufferevent *bufev)
1.1 nicm 191: {
1.128 nicm 192: struct termios tio;
1.33 nicm 193:
1.127 nicm 194: if (fd == -1 || tcgetattr(fd, orig_tio) != 0)
1.33 nicm 195: return;
1.1 nicm 196:
1.127 nicm 197: setblocking(fd, 0);
1.34 nicm 198:
1.127 nicm 199: if (bufev != NULL)
200: bufferevent_enable(bufev, EV_READ|EV_WRITE);
1.66 nicm 201:
1.127 nicm 202: memcpy(&tio, orig_tio, sizeof tio);
1.1 nicm 203: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
204: tio.c_iflag |= IGNBRK;
205: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
206: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
1.169 jsg 207: ECHOPRT|ECHOKE|ISIG);
1.1 nicm 208: tio.c_cc[VMIN] = 1;
1.60 deraadt 209: tio.c_cc[VTIME] = 0;
1.127 nicm 210: if (tcsetattr(fd, TCSANOW, &tio) == 0)
211: tcflush(fd, TCIOFLUSH);
212: }
213:
214: void
215: tty_start_tty(struct tty *tty)
216: {
217: tty_init_termios(tty->fd, &tty->tio, tty->event);
1.1 nicm 218:
1.10 nicm 219: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 220:
1.25 nicm 221: tty_putcode(tty, TTYC_SGR0);
222: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
223:
1.76 nicm 224: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 225: if (tty_use_acs(tty))
226: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 227: tty_putcode(tty, TTYC_CLEAR);
228:
229: tty_putcode(tty, TTYC_CNORM);
230: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 231: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.121 nicm 232:
1.189 nicm 233: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 234: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 235: tty->flags |= TTY_FOCUS;
236: tty_puts(tty, "\033[?1004h");
237: }
238: }
1.1 nicm 239:
240: tty->cx = UINT_MAX;
241: tty->cy = UINT_MAX;
242:
243: tty->rlower = UINT_MAX;
244: tty->rupper = UINT_MAX;
245:
246: tty->mode = MODE_CURSOR;
1.20 nicm 247:
248: tty->flags |= TTY_STARTED;
1.107 nicm 249:
250: tty_force_cursor_colour(tty, "");
1.177 nicm 251:
252: tty->mouse_drag_flag = 0;
253: tty->mouse_drag_update = NULL;
254: tty->mouse_drag_release = NULL;
1.128 nicm 255: }
256:
257: void
1.1 nicm 258: tty_stop_tty(struct tty *tty)
259: {
260: struct winsize ws;
261:
1.20 nicm 262: if (!(tty->flags & TTY_STARTED))
263: return;
264: tty->flags &= ~TTY_STARTED;
265:
1.66 nicm 266: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
267:
1.1 nicm 268: /*
269: * Be flexible about error handling and try not kill the server just
270: * because the fd is invalid. Things like ssh -t can easily leave us
271: * with a dead tty.
272: */
273: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
274: return;
275: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
276: return;
277:
278: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 279: if (tty_use_acs(tty))
280: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 281: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
282: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
283: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 284: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
285: if (tty_term_has(tty->term, TTYC_SE))
286: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 287: else
1.160 nicm 288: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 289: }
1.173 nicm 290: if (tty->mode & MODE_BRACKETPASTE)
291: tty_raw(tty, "\033[?2004l");
1.107 nicm 292: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 293:
294: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
295: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 296: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.151 nicm 297:
1.189 nicm 298: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 299: if (tty->flags & TTY_FOCUS) {
300: tty->flags &= ~TTY_FOCUS;
1.172 nicm 301: tty_raw(tty, "\033[?1004l");
1.162 nicm 302: }
303: }
1.10 nicm 304:
305: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 306:
307: setblocking(tty->fd, 1);
1.1 nicm 308: }
309:
310: void
1.20 nicm 311: tty_close(struct tty *tty)
1.1 nicm 312: {
1.123 nicm 313: if (event_initialized(&tty->key_timer))
314: evtimer_del(&tty->key_timer);
1.20 nicm 315: tty_stop_tty(tty);
1.1 nicm 316:
1.21 nicm 317: if (tty->flags & TTY_OPENED) {
1.66 nicm 318: bufferevent_free(tty->event);
319:
1.21 nicm 320: tty_term_free(tty->term);
321: tty_keys_free(tty);
322:
323: tty->flags &= ~TTY_OPENED;
324: }
1.1 nicm 325:
1.21 nicm 326: if (tty->fd != -1) {
327: close(tty->fd);
328: tty->fd = -1;
329: }
1.1 nicm 330: }
331:
332: void
1.20 nicm 333: tty_free(struct tty *tty)
1.1 nicm 334: {
1.20 nicm 335: tty_close(tty);
1.1 nicm 336:
1.138 nicm 337: free(tty->ccolour);
1.190 nicm 338: free(tty->path);
339: free(tty->termname);
1.1 nicm 340: }
341:
342: void
343: tty_raw(struct tty *tty, const char *s)
344: {
1.150 nicm 345: ssize_t n, slen;
346: u_int i;
347:
348: slen = strlen(s);
349: for (i = 0; i < 5; i++) {
350: n = write(tty->fd, s, slen);
351: if (n >= 0) {
352: s += n;
353: slen -= n;
354: if (slen == 0)
355: break;
356: } else if (n == -1 && errno != EAGAIN)
357: break;
358: usleep(100);
359: }
1.1 nicm 360: }
361:
362: void
363: tty_putcode(struct tty *tty, enum tty_code_code code)
364: {
365: tty_puts(tty, tty_term_string(tty->term, code));
366: }
367:
368: void
369: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
370: {
371: if (a < 0)
372: return;
373: tty_puts(tty, tty_term_string1(tty->term, code, a));
374: }
375:
376: void
377: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
378: {
379: if (a < 0 || b < 0)
380: return;
381: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
382: }
383:
384: void
1.107 nicm 385: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
386: {
387: if (a != NULL)
388: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
389: }
390:
391: void
1.167 nicm 392: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
393: const void *b)
1.106 nicm 394: {
395: if (a != NULL && b != NULL)
396: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
397: }
398:
399: void
1.1 nicm 400: tty_puts(struct tty *tty, const char *s)
401: {
402: if (*s == '\0')
403: return;
1.66 nicm 404: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 405:
1.192 nicm 406: if (tty_log_fd != -1)
407: write(tty_log_fd, s, strlen(s));
1.1 nicm 408: }
409:
410: void
411: tty_putc(struct tty *tty, u_char ch)
412: {
1.90 nicm 413: const char *acs;
414: u_int sx;
1.1 nicm 415:
1.90 nicm 416: if (tty->cell.attr & GRID_ATTR_CHARSET) {
417: acs = tty_acs_get(tty, ch);
418: if (acs != NULL)
419: bufferevent_write(tty->event, acs, strlen(acs));
420: else
421: bufferevent_write(tty->event, &ch, 1);
422: } else
423: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 424:
425: if (ch >= 0x20 && ch != 0x7f) {
426: sx = tty->sx;
427: if (tty->term->flags & TERM_EARLYWRAP)
428: sx--;
429:
1.46 nicm 430: if (tty->cx >= sx) {
431: tty->cx = 1;
432: if (tty->cy != tty->rlower)
433: tty->cy++;
1.1 nicm 434: } else
435: tty->cx++;
436: }
437:
1.192 nicm 438: if (tty_log_fd != -1)
439: write(tty_log_fd, &ch, 1);
1.1 nicm 440: }
441:
442: void
1.147 nicm 443: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 444: {
1.147 nicm 445: bufferevent_write(tty->event, buf, len);
1.192 nicm 446: if (tty_log_fd != -1)
447: write(tty_log_fd, buf, len);
1.147 nicm 448: tty->cx += width;
1.5 nicm 449: }
450:
451: void
1.180 nicm 452: tty_set_italics(struct tty *tty)
453: {
454: const char *s;
455:
456: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 457: s = options_get_string(global_options, "default-terminal");
1.180 nicm 458: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
459: tty_putcode(tty, TTYC_SITM);
460: return;
461: }
462: }
463: tty_putcode(tty, TTYC_SMSO);
464: }
465:
466: void
1.1 nicm 467: tty_set_title(struct tty *tty, const char *title)
468: {
1.105 nicm 469: if (!tty_term_has(tty->term, TTYC_TSL) ||
470: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 471: return;
472:
1.105 nicm 473: tty_putcode(tty, TTYC_TSL);
1.1 nicm 474: tty_puts(tty, title);
1.105 nicm 475: tty_putcode(tty, TTYC_FSL);
1.1 nicm 476: }
477:
478: void
1.107 nicm 479: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
480: {
481: if (*ccolour == '\0')
482: tty_putcode(tty, TTYC_CR);
483: else
1.160 nicm 484: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 485: free(tty->ccolour);
1.107 nicm 486: tty->ccolour = xstrdup(ccolour);
487: }
488:
489: void
490: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 491: {
492: int changed;
493:
1.181 nicm 494: if (s != NULL && strcmp(s->ccolour, tty->ccolour))
1.107 nicm 495: tty_force_cursor_colour(tty, s->ccolour);
496:
1.1 nicm 497: if (tty->flags & TTY_NOCURSOR)
498: mode &= ~MODE_CURSOR;
499:
500: changed = mode ^ tty->mode;
1.183 nicm 501: if (changed & MODE_BLINKING) {
502: if (tty_term_has(tty->term, TTYC_CVVIS))
503: tty_putcode(tty, TTYC_CVVIS);
504: else
505: tty_putcode(tty, TTYC_CNORM);
506: changed |= MODE_CURSOR;
507: }
508: if (changed & MODE_CURSOR) {
509: if (mode & MODE_CURSOR)
510: tty_putcode(tty, TTYC_CNORM);
511: else
1.1 nicm 512: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 513: }
1.181 nicm 514: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 515: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 516: if (s->cstyle == 0 &&
1.160 nicm 517: tty_term_has(tty->term, TTYC_SE))
518: tty_putcode(tty, TTYC_SE);
1.108 nicm 519: else
1.160 nicm 520: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 521: }
522: tty->cstyle = s->cstyle;
1.1 nicm 523: }
1.154 nicm 524: if (changed & (ALL_MOUSE_MODES|MODE_MOUSE_UTF8)) {
1.94 nicm 525: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 526: /*
527: * Enable the UTF-8 (1005) extension if configured to.
528: * Enable the SGR (1006) extension unconditionally, as
529: * this is safe from misinterpretation. Do it in this
530: * order, because in some terminals it's the last one
531: * that takes effect and SGR is the preferred one.
532: */
1.95 nicm 533: if (mode & MODE_MOUSE_UTF8)
534: tty_puts(tty, "\033[?1005h");
1.154 nicm 535: else
536: tty_puts(tty, "\033[?1005l");
1.153 nicm 537: tty_puts(tty, "\033[?1006h");
538:
1.170 nicm 539: if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 540: tty_puts(tty, "\033[?1002h");
1.98 nicm 541: else if (mode & MODE_MOUSE_STANDARD)
542: tty_puts(tty, "\033[?1000h");
1.86 nicm 543: } else {
1.170 nicm 544: if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 545: tty_puts(tty, "\033[?1002l");
1.98 nicm 546: else if (tty->mode & MODE_MOUSE_STANDARD)
547: tty_puts(tty, "\033[?1000l");
1.153 nicm 548:
549: tty_puts(tty, "\033[?1006l");
1.95 nicm 550: if (tty->mode & MODE_MOUSE_UTF8)
551: tty_puts(tty, "\033[?1005l");
1.86 nicm 552: }
1.76 nicm 553: }
554: if (changed & MODE_KKEYPAD) {
555: if (mode & MODE_KKEYPAD)
556: tty_putcode(tty, TTYC_SMKX);
557: else
558: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 559: }
560: if (changed & MODE_BRACKETPASTE) {
561: if (mode & MODE_BRACKETPASTE)
562: tty_puts(tty, "\033[?2004h");
563: else
564: tty_puts(tty, "\033[?2004l");
1.1 nicm 565: }
566: tty->mode = mode;
567: }
568:
569: void
1.168 nicm 570: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
571: enum tty_code_code code1, u_int n)
1.1 nicm 572: {
573: if (tty_term_has(tty->term, code))
574: tty_putcode1(tty, code, n);
575: else {
576: while (n-- > 0)
577: tty_putcode(tty, code1);
578: }
579: }
580:
1.133 nicm 581: void
582: tty_repeat_space(struct tty *tty, u_int n)
583: {
584: while (n-- > 0)
585: tty_putc(tty, ' ');
586: }
587:
1.1 nicm 588: /*
1.119 nicm 589: * Is the region large enough to be worth redrawing once later rather than
590: * probably several times now? Currently yes if it is more than 50% of the
591: * pane.
592: */
593: int
594: tty_large_region(unused struct tty *tty, const struct tty_ctx *ctx)
595: {
596: struct window_pane *wp = ctx->wp;
597:
598: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
599: }
600:
601: /*
1.176 nicm 602: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
603: * emulated.
604: */
605: int
606: tty_fake_bce(const struct tty *tty, const struct window_pane *wp)
607: {
608: struct grid_cell gc;
609:
610: memcpy(&gc, &grid_default_cell, sizeof gc);
611: tty_default_colours(&gc, wp);
612:
613: if (gc.bg == 8 && !(gc.flags & GRID_FLAG_BG256))
614: return (0);
615: return (!tty_term_flag(tty->term, TTYC_BCE));
616: }
617:
618: /*
1.1 nicm 619: * Redraw scroll region using data from screen (already updated). Used when
620: * CSR not supported, or window is a pane that doesn't take up the full
621: * width of the terminal.
622: */
623: void
1.24 nicm 624: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 625: {
1.14 nicm 626: struct window_pane *wp = ctx->wp;
627: struct screen *s = wp->screen;
628: u_int i;
1.1 nicm 629:
630: /*
1.119 nicm 631: * If region is large, schedule a window redraw. In most cases this is
632: * likely to be followed by some more scrolling.
1.1 nicm 633: */
1.119 nicm 634: if (tty_large_region(tty, ctx)) {
1.1 nicm 635: wp->flags |= PANE_REDRAW;
636: return;
637: }
638:
1.14 nicm 639: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
640: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176 nicm 641: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 642: } else {
1.14 nicm 643: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176 nicm 644: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 645: }
646: }
647:
648: void
1.176 nicm 649: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
650: u_int oy)
651: {
652: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
653: }
654:
655: void
656: tty_draw_line(struct tty *tty, const struct window_pane *wp,
657: struct screen *s, u_int py, u_int ox, u_int oy)
1.1 nicm 658: {
1.193 ! nicm 659: struct grid_cell gc;
1.46 nicm 660: struct grid_line *gl;
1.1 nicm 661: u_int i, sx;
1.181 nicm 662: int flags;
1.1 nicm 663:
1.181 nicm 664: flags = tty->flags & TTY_NOCURSOR;
665: tty->flags |= TTY_NOCURSOR;
666: tty_update_mode(tty, tty->mode, s);
1.35 nicm 667:
1.1 nicm 668: sx = screen_size_x(s);
1.19 nicm 669: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
670: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 671: if (sx > tty->sx)
672: sx = tty->sx;
673:
1.46 nicm 674: /*
1.174 nicm 675: * Don't move the cursor to the start position if it will wrap there
1.50 nicm 676: * itself.
1.46 nicm 677: */
678: gl = NULL;
679: if (py != 0)
680: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 681: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 682: tty->cx < tty->sx || ox != 0 ||
683: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 684: tty_cursor(tty, ox, oy + py);
685:
1.1 nicm 686: for (i = 0; i < sx; i++) {
1.193 ! nicm 687: grid_view_get_cell(s->grid, i, py, &gc);
1.1 nicm 688: if (screen_check_selection(s, i, py)) {
1.193 ! nicm 689: gc.flags &= ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
! 690: gc.flags |= s->sel.cell.flags &
1.38 nicm 691: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.193 ! nicm 692: }
! 693: tty_cell(tty, &gc, wp);
1.1 nicm 694: }
695:
1.181 nicm 696: if (sx < tty->sx) {
697: tty_attributes(tty, &grid_default_cell, wp);
698:
699: tty_cursor(tty, ox + sx, oy + py);
700: if (sx != screen_size_x(s) &&
701: ox + screen_size_x(s) >= tty->sx &&
702: tty_term_has(tty->term, TTYC_EL) &&
703: !tty_fake_bce(tty, wp))
704: tty_putcode(tty, TTYC_EL);
705: else
706: tty_repeat_space(tty, screen_size_x(s) - sx);
1.35 nicm 707: }
1.1 nicm 708:
1.181 nicm 709: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 710: tty_update_mode(tty, tty->mode, s);
1.15 nicm 711: }
712:
1.182 nicm 713: int
714: tty_client_ready(struct client *c, struct window_pane *wp)
715: {
716: if (c->session == NULL || c->tty.term == NULL)
717: return (0);
718: if (c->flags & CLIENT_SUSPENDED)
719: return (0);
720: if (c->tty.flags & TTY_FREEZE)
721: return (0);
722: if (c->session->curw->window != wp->window)
723: return (0);
724: return (1);
725: }
726:
1.15 nicm 727: void
1.182 nicm 728: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
729: struct tty_ctx *ctx)
1.15 nicm 730: {
731: struct window_pane *wp = ctx->wp;
732: struct client *c;
733:
1.75 nicm 734: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 735: if (wp == NULL)
736: return;
737:
738: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
739: return;
1.129 nicm 740: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 741: return;
742:
1.178 nicm 743: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 744: if (!tty_client_ready(c, wp))
1.15 nicm 745: continue;
746:
1.139 nicm 747: ctx->xoff = wp->xoff;
748: ctx->yoff = wp->yoff;
749: if (status_at_line(c) == 0)
750: ctx->yoff++;
1.113 nicm 751:
1.139 nicm 752: cmdfn(&c->tty, ctx);
1.1 nicm 753: }
754: }
755:
756: void
1.24 nicm 757: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 758: {
1.77 nicm 759: struct window_pane *wp = ctx->wp;
1.1 nicm 760:
1.135 nicm 761: if (!tty_pane_full_width(tty, ctx)) {
1.176 nicm 762: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 763: return;
764: }
765:
1.176 nicm 766: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 767:
1.77 nicm 768: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 769:
1.176 nicm 770: if (!tty_fake_bce(tty, wp) && (tty_term_has(tty->term, TTYC_ICH) ||
771: tty_term_has(tty->term, TTYC_ICH1)))
1.12 nicm 772: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.134 nicm 773: else
1.176 nicm 774: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 775: }
776:
777: void
1.24 nicm 778: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 779: {
1.77 nicm 780: struct window_pane *wp = ctx->wp;
1.1 nicm 781:
1.176 nicm 782: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, wp) ||
1.26 nicm 783: (!tty_term_has(tty->term, TTYC_DCH) &&
784: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 785: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 786: return;
787: }
788:
1.176 nicm 789: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 790:
1.77 nicm 791: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 792:
1.26 nicm 793: if (tty_term_has(tty->term, TTYC_DCH) ||
794: tty_term_has(tty->term, TTYC_DCH1))
795: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 796: }
797:
798: void
799: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
800: {
801: u_int i;
802:
1.176 nicm 803: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.146 nicm 804:
805: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
806:
1.176 nicm 807: if (tty_term_has(tty->term, TTYC_ECH) && !tty_fake_bce(tty, ctx->wp))
1.146 nicm 808: tty_putcode1(tty, TTYC_ECH, ctx->num);
809: else {
810: for (i = 0; i < ctx->num; i++)
811: tty_putc(tty, ' ');
812: }
1.1 nicm 813: }
814:
815: void
1.24 nicm 816: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 817: {
1.176 nicm 818: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.77 nicm 819: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 820: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 821: tty_redraw_region(tty, ctx);
1.1 nicm 822: return;
823: }
824:
1.176 nicm 825: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 826:
1.77 nicm 827: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
828: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 829:
1.12 nicm 830: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 831: }
832:
833: void
1.24 nicm 834: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 835: {
1.176 nicm 836: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.72 nicm 837: !tty_term_has(tty->term, TTYC_CSR) ||
838: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 839: tty_redraw_region(tty, ctx);
1.1 nicm 840: return;
841: }
842:
1.176 nicm 843: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 844:
1.77 nicm 845: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
846: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 847:
1.12 nicm 848: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 849: }
850:
851: void
1.24 nicm 852: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 853: {
1.77 nicm 854: struct window_pane *wp = ctx->wp;
1.12 nicm 855: struct screen *s = wp->screen;
1.1 nicm 856:
1.176 nicm 857: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 858:
1.77 nicm 859: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 860:
1.176 nicm 861: if (tty_pane_full_width(tty, ctx) && !tty_fake_bce(tty, wp) &&
862: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 863: tty_putcode(tty, TTYC_EL);
1.133 nicm 864: else
865: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 866: }
867:
868: void
1.24 nicm 869: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 870: {
1.77 nicm 871: struct window_pane *wp = ctx->wp;
1.12 nicm 872: struct screen *s = wp->screen;
1.1 nicm 873:
1.176 nicm 874: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 875:
1.41 nicm 876: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
877:
1.176 nicm 878: if (tty_pane_full_width(tty, ctx) &&
879: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp))
1.1 nicm 880: tty_putcode(tty, TTYC_EL);
1.133 nicm 881: else
882: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.1 nicm 883: }
884:
885: void
1.24 nicm 886: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 887: {
1.176 nicm 888: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 889:
1.176 nicm 890: if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1) &&
891: !tty_fake_bce(tty, ctx->wp)) {
1.41 nicm 892: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 893: tty_putcode(tty, TTYC_EL1);
894: } else {
1.41 nicm 895: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 896: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 897: }
898: }
899:
900: void
1.24 nicm 901: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 902: {
1.56 nicm 903: if (ctx->ocy != ctx->orupper)
904: return;
905:
1.176 nicm 906: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.70 nicm 907: !tty_term_has(tty->term, TTYC_CSR) ||
908: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 909: tty_redraw_region(tty, ctx);
1.1 nicm 910: return;
911: }
912:
1.176 nicm 913: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.77 nicm 914:
1.56 nicm 915: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
916: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 917:
1.56 nicm 918: tty_putcode(tty, TTYC_RI);
1.1 nicm 919: }
920:
921: void
1.24 nicm 922: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 923: {
1.77 nicm 924: struct window_pane *wp = ctx->wp;
1.1 nicm 925:
1.56 nicm 926: if (ctx->ocy != ctx->orlower)
927: return;
928:
1.176 nicm 929: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, wp) ||
1.1 nicm 930: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 931: if (tty_large_region(tty, ctx))
932: wp->flags |= PANE_REDRAW;
1.140 nicm 933: else
1.128 nicm 934: tty_redraw_region(tty, ctx);
1.1 nicm 935: return;
936: }
1.52 nicm 937:
938: /*
939: * If this line wrapped naturally (ctx->num is nonzero), don't do
940: * anything - the cursor can just be moved to the last cell and wrap
941: * naturally.
942: */
943: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
944: return;
1.1 nicm 945:
1.176 nicm 946: tty_attributes(tty, &grid_default_cell, wp);
1.77 nicm 947:
1.56 nicm 948: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
949: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 950:
1.56 nicm 951: tty_putc(tty, '\n');
1.1 nicm 952: }
953:
954: void
1.24 nicm 955: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 956: {
1.77 nicm 957: struct window_pane *wp = ctx->wp;
1.12 nicm 958: struct screen *s = wp->screen;
959: u_int i, j;
1.1 nicm 960:
1.176 nicm 961: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 962:
1.39 nicm 963: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 964: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 965:
1.176 nicm 966: if (tty_pane_full_width(tty, ctx) &&
967: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.1 nicm 968: tty_putcode(tty, TTYC_EL);
1.14 nicm 969: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 970: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 971: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 972: tty_putcode(tty, TTYC_EL);
973: if (i == screen_size_y(s) - 1)
974: continue;
975: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
976: tty->cy++;
977: }
978: }
979: } else {
1.133 nicm 980: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.68 nicm 981: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 982: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 983: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 984: }
985: }
986: }
987:
988: void
1.24 nicm 989: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 990: {
1.77 nicm 991: struct window_pane *wp = ctx->wp;
1.12 nicm 992: struct screen *s = wp->screen;
993: u_int i, j;
1.1 nicm 994:
1.176 nicm 995: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 996:
1.39 nicm 997: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 998: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 999:
1.176 nicm 1000: if (tty_pane_full_width(tty, ctx) &&
1001: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.14 nicm 1002: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 1003: tty_putcode(tty, TTYC_EL);
1004: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1005: tty->cy++;
1006: }
1007: } else {
1.14 nicm 1008: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 1009: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1010: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1011: }
1012: }
1.133 nicm 1013: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 1014: }
1015:
1016: void
1.24 nicm 1017: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1018: {
1.77 nicm 1019: struct window_pane *wp = ctx->wp;
1.12 nicm 1020: struct screen *s = wp->screen;
1021: u_int i, j;
1.1 nicm 1022:
1.176 nicm 1023: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 1024:
1.39 nicm 1025: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 1026: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 1027:
1.176 nicm 1028: if (tty_pane_full_width(tty, ctx) &&
1029: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.1 nicm 1030: for (i = 0; i < screen_size_y(s); i++) {
1031: tty_putcode(tty, TTYC_EL);
1032: if (i != screen_size_y(s) - 1) {
1033: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1034: tty->cy++;
1035: }
1036: }
1037: } else {
1038: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1039: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1040: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1041: }
1.4 nicm 1042: }
1043: }
1044:
1045: void
1.24 nicm 1046: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1047: {
1.12 nicm 1048: struct window_pane *wp = ctx->wp;
1049: struct screen *s = wp->screen;
1050: u_int i, j;
1.4 nicm 1051:
1.176 nicm 1052: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1053:
1.39 nicm 1054: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 1055:
1056: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1057: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1058: for (i = 0; i < screen_size_x(s); i++)
1059: tty_putc(tty, 'E');
1.1 nicm 1060: }
1061: }
1062:
1063: void
1.24 nicm 1064: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1065: {
1.46 nicm 1066: struct window_pane *wp = ctx->wp;
1067: struct screen *s = wp->screen;
1.58 nicm 1068: u_int cx;
1.102 nicm 1069: u_int width;
1.46 nicm 1070:
1071: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1072:
1.57 nicm 1073: /* Is the cursor in the very last position? */
1.193 ! nicm 1074: width = ctx->cell->data.width;
1.102 nicm 1075: if (ctx->ocx > wp->sx - width) {
1.113 nicm 1076: if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57 nicm 1077: /*
1078: * The pane doesn't fill the entire line, the linefeed
1079: * will already have happened, so just move the cursor.
1080: */
1.125 nicm 1081: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 1082: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1083: else
1084: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.57 nicm 1085: } else if (tty->cx < tty->sx) {
1086: /*
1087: * The cursor isn't in the last position already, so
1.102 nicm 1088: * move as far left as possible and redraw the last
1.57 nicm 1089: * cell to move into the last position.
1090: */
1.193 ! nicm 1091: cx = screen_size_x(s) - ctx->last_cell.data.width;
1.50 nicm 1092: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1.176 nicm 1093: tty_cell(tty, &ctx->last_cell, wp);
1.50 nicm 1094: }
1095: } else
1.46 nicm 1096: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1097:
1.176 nicm 1098: tty_cell(tty, ctx->cell, wp);
1.1 nicm 1099: }
1100:
1101: void
1.24 nicm 1102: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1103: {
1.53 nicm 1104: struct window_pane *wp = ctx->wp;
1.1 nicm 1105:
1.53 nicm 1106: /*
1107: * Cannot rely on not being a partial character, so just redraw the
1108: * whole line.
1109: */
1.176 nicm 1110: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1111: }
1112:
1113: void
1114: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1115: {
1116: char *buf;
1117: size_t off;
1118:
1119: if (!tty_term_has(tty->term, TTYC_MS))
1120: return;
1121:
1122: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1123: buf = xmalloc(off);
1124:
1125: b64_ntop(ctx->ptr, ctx->num, buf, off);
1126: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1127:
1.138 nicm 1128: free(buf);
1.100 nicm 1129: }
1130:
1131: void
1132: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1133: {
1134: u_int i;
1135: u_char *str = ctx->ptr;
1136:
1137: for (i = 0; i < ctx->num; i++)
1138: tty_putc(tty, str[i]);
1.141 nicm 1139:
1140: tty->cx = tty->cy = UINT_MAX;
1141: tty->rupper = tty->rlower = UINT_MAX;
1142:
1.176 nicm 1143: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.141 nicm 1144: tty_cursor(tty, 0, 0);
1.1 nicm 1145: }
1146:
1147: void
1.176 nicm 1148: tty_cell(struct tty *tty, const struct grid_cell *gc,
1149: const struct window_pane *wp)
1.1 nicm 1150: {
1.193 ! nicm 1151: u_int i;
1.1 nicm 1152:
1153: /* Skip last character if terminal is stupid. */
1154: if (tty->term->flags & TERM_EARLYWRAP &&
1155: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
1156: return;
1157:
1158: /* If this is a padding character, do nothing. */
1159: if (gc->flags & GRID_FLAG_PADDING)
1160: return;
1161:
1162: /* Set the attributes. */
1.176 nicm 1163: tty_attributes(tty, gc, wp);
1.1 nicm 1164:
1.147 nicm 1165: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.193 ! nicm 1166: if (gc->data.size == 1) {
! 1167: if (*gc->data.data < 0x20 || *gc->data.data == 0x7f)
1.1 nicm 1168: return;
1.193 ! nicm 1169: tty_putc(tty, *gc->data.data);
1.1 nicm 1170: return;
1171: }
1172:
1.147 nicm 1173: /* If not UTF-8, write _. */
1.1 nicm 1174: if (!(tty->flags & TTY_UTF8)) {
1.193 ! nicm 1175: for (i = 0; i < gc->data.width; i++)
1.1 nicm 1176: tty_putc(tty, '_');
1177: return;
1178: }
1179:
1.147 nicm 1180: /* Write the data. */
1.193 ! nicm 1181: tty_putn(tty, gc->data.data, gc->data.size, gc->data.width);
1.1 nicm 1182: }
1183:
1184: void
1185: tty_reset(struct tty *tty)
1186: {
1187: struct grid_cell *gc = &tty->cell;
1188:
1189: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
1190: return;
1191:
1.90 nicm 1192: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1193: tty_putcode(tty, TTYC_RMACS);
1194: tty_putcode(tty, TTYC_SGR0);
1195: memcpy(gc, &grid_default_cell, sizeof *gc);
1196: }
1197:
1.40 nicm 1198: /* Set region inside pane. */
1.1 nicm 1199: void
1.39 nicm 1200: tty_region_pane(
1201: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 1202: {
1.113 nicm 1203: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1204: }
1205:
1.40 nicm 1206: /* Set region at absolute position. */
1.39 nicm 1207: void
1.40 nicm 1208: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1209: {
1210: if (tty->rlower == rlower && tty->rupper == rupper)
1211: return;
1.1 nicm 1212: if (!tty_term_has(tty->term, TTYC_CSR))
1213: return;
1.39 nicm 1214:
1215: tty->rupper = rupper;
1216: tty->rlower = rlower;
1.55 nicm 1217:
1218: /*
1219: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1220: * 0,0 if it is beyond the last column (they do not reset their wrap
1221: * flag so further output causes a line feed). As a workaround, do an
1222: * explicit move to 0 first.
1223: */
1224: if (tty->cx >= tty->sx)
1225: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1226:
1.39 nicm 1227: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1228: tty_cursor(tty, 0, 0);
1.1 nicm 1229: }
1230:
1.42 nicm 1231: /* Move cursor inside pane. */
1.1 nicm 1232: void
1.41 nicm 1233: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1234: {
1.113 nicm 1235: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1236: }
1237:
1.42 nicm 1238: /* Move cursor to absolute position. */
1.41 nicm 1239: void
1240: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1241: {
1.42 nicm 1242: struct tty_term *term = tty->term;
1243: u_int thisx, thisy;
1244: int change;
1.77 nicm 1245:
1.42 nicm 1246: if (cx > tty->sx - 1)
1247: cx = tty->sx - 1;
1248:
1249: thisx = tty->cx;
1250: thisy = tty->cy;
1251:
1252: /* No change. */
1253: if (cx == thisx && cy == thisy)
1254: return;
1255:
1.43 nicm 1256: /* Very end of the line, just use absolute movement. */
1257: if (thisx > tty->sx - 1)
1258: goto absolute;
1259:
1.42 nicm 1260: /* Move to home position (0, 0). */
1261: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1262: tty_putcode(tty, TTYC_HOME);
1263: goto out;
1264: }
1265:
1266: /* Zero on the next line. */
1.48 nicm 1267: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1268: tty_putc(tty, '\r');
1.42 nicm 1269: tty_putc(tty, '\n');
1270: goto out;
1271: }
1272:
1.45 nicm 1273: /* Moving column or row. */
1.42 nicm 1274: if (cy == thisy) {
1.45 nicm 1275: /*
1276: * Moving column only, row staying the same.
1277: */
1278:
1.42 nicm 1279: /* To left edge. */
1280: if (cx == 0) {
1281: tty_putc(tty, '\r');
1282: goto out;
1283: }
1284:
1285: /* One to the left. */
1286: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1287: tty_putcode(tty, TTYC_CUB1);
1288: goto out;
1289: }
1290:
1291: /* One to the right. */
1292: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1293: tty_putcode(tty, TTYC_CUF1);
1294: goto out;
1295: }
1296:
1297: /* Calculate difference. */
1298: change = thisx - cx; /* +ve left, -ve right */
1299:
1300: /*
1301: * Use HPA if change is larger than absolute, otherwise move
1302: * the cursor with CUB/CUF.
1303: */
1.87 nicm 1304: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1305: tty_putcode1(tty, TTYC_HPA, cx);
1306: goto out;
1307: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1308: tty_putcode1(tty, TTYC_CUB, change);
1309: goto out;
1310: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1311: tty_putcode1(tty, TTYC_CUF, -change);
1312: goto out;
1313: }
1.45 nicm 1314: } else if (cx == thisx) {
1315: /*
1316: * Moving row only, column staying the same.
1317: */
1.42 nicm 1318:
1319: /* One above. */
1.77 nicm 1320: if (thisy != tty->rupper &&
1.42 nicm 1321: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1322: tty_putcode(tty, TTYC_CUU1);
1323: goto out;
1324: }
1325:
1326: /* One below. */
1.49 nicm 1327: if (thisy != tty->rlower &&
1.42 nicm 1328: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1329: tty_putcode(tty, TTYC_CUD1);
1330: goto out;
1331: }
1332:
1333: /* Calculate difference. */
1334: change = thisy - cy; /* +ve up, -ve down */
1335:
1336: /*
1.77 nicm 1337: * Try to use VPA if change is larger than absolute or if this
1338: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1339: */
1.87 nicm 1340: if ((u_int) abs(change) > cy ||
1.42 nicm 1341: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1342: (change > 0 && cy - change < tty->rupper)) {
1343: if (tty_term_has(term, TTYC_VPA)) {
1344: tty_putcode1(tty, TTYC_VPA, cy);
1345: goto out;
1346: }
1.42 nicm 1347: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1348: tty_putcode1(tty, TTYC_CUU, change);
1349: goto out;
1350: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1351: tty_putcode1(tty, TTYC_CUD, -change);
1352: goto out;
1353: }
1354: }
1355:
1.43 nicm 1356: absolute:
1.42 nicm 1357: /* Absolute movement. */
1358: tty_putcode2(tty, TTYC_CUP, cy, cx);
1359:
1360: out:
1361: tty->cx = cx;
1362: tty->cy = cy;
1.1 nicm 1363: }
1364:
1365: void
1.176 nicm 1366: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1367: const struct window_pane *wp)
1.1 nicm 1368: {
1.63 nicm 1369: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1370: u_char changed;
1.61 nicm 1371:
1.85 nicm 1372: memcpy(&gc2, gc, sizeof gc2);
1.176 nicm 1373: tty_default_colours(&gc2, wp);
1.63 nicm 1374:
1.18 nicm 1375: /*
1376: * If no setab, try to use the reverse attribute as a best-effort for a
1377: * non-default background. This is a bit of a hack but it doesn't do
1378: * any serious harm and makes a couple of applications happier.
1379: */
1380: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1381: if (gc2.attr & GRID_ATTR_REVERSE) {
1382: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1383: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1384: } else {
1.85 nicm 1385: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1386: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1387: }
1388: }
1.1 nicm 1389:
1.85 nicm 1390: /* Fix up the colours if necessary. */
1391: tty_check_fg(tty, &gc2);
1392: tty_check_bg(tty, &gc2);
1393:
1.64 nicm 1394: /* If any bits are being cleared, reset everything. */
1.85 nicm 1395: if (tc->attr & ~gc2.attr)
1.64 nicm 1396: tty_reset(tty);
1397:
1398: /*
1399: * Set the colours. This may call tty_reset() (so it comes next) and
1400: * may add to (NOT remove) the desired attributes by changing new_attr.
1401: */
1.85 nicm 1402: tty_colours(tty, &gc2);
1.64 nicm 1403:
1.1 nicm 1404: /* Filter out attribute bits already set. */
1.85 nicm 1405: changed = gc2.attr & ~tc->attr;
1406: tc->attr = gc2.attr;
1.1 nicm 1407:
1408: /* Set the attributes. */
1409: if (changed & GRID_ATTR_BRIGHT)
1410: tty_putcode(tty, TTYC_BOLD);
1411: if (changed & GRID_ATTR_DIM)
1412: tty_putcode(tty, TTYC_DIM);
1.180 nicm 1413: if (changed & GRID_ATTR_ITALICS)
1414: tty_set_italics(tty);
1.1 nicm 1415: if (changed & GRID_ATTR_UNDERSCORE)
1416: tty_putcode(tty, TTYC_SMUL);
1417: if (changed & GRID_ATTR_BLINK)
1418: tty_putcode(tty, TTYC_BLINK);
1419: if (changed & GRID_ATTR_REVERSE) {
1420: if (tty_term_has(tty->term, TTYC_REV))
1421: tty_putcode(tty, TTYC_REV);
1422: else if (tty_term_has(tty->term, TTYC_SMSO))
1423: tty_putcode(tty, TTYC_SMSO);
1424: }
1425: if (changed & GRID_ATTR_HIDDEN)
1426: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1427: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1428: tty_putcode(tty, TTYC_SMACS);
1429: }
1430:
1.61 nicm 1431: void
1.85 nicm 1432: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1433: {
1.61 nicm 1434: struct grid_cell *tc = &tty->cell;
1.62 nicm 1435: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1436: int have_ax, fg_default, bg_default;
1.61 nicm 1437:
1438: /* No changes? Nothing is necessary. */
1.62 nicm 1439: if (fg == tc->fg && bg == tc->bg &&
1440: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1441: return;
1.1 nicm 1442:
1.61 nicm 1443: /*
1444: * Is either the default colour? This is handled specially because the
1445: * best solution might be to reset both colours to default, in which
1446: * case if only one is default need to fall onward to set the other
1447: * colour.
1448: */
1.62 nicm 1449: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1450: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1451: if (fg_default || bg_default) {
1452: /*
1453: * If don't have AX but do have op, send sgr0 (op can't
1454: * actually be used because it is sometimes the same as sgr0
1455: * and sometimes isn't). This resets both colours to default.
1456: *
1457: * Otherwise, try to set the default colour only as needed.
1458: */
1.174 nicm 1459: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 1460: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1461: tty_reset(tty);
1462: else {
1463: if (fg_default &&
1.81 nicm 1464: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1465: if (have_ax)
1466: tty_puts(tty, "\033[39m");
1.81 nicm 1467: else if (tc->fg != 7 ||
1468: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1469: tty_putcode1(tty, TTYC_SETAF, 7);
1470: tc->fg = 8;
1471: tc->flags &= ~GRID_FLAG_FG256;
1472: }
1473: if (bg_default &&
1.81 nicm 1474: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1475: if (have_ax)
1.61 nicm 1476: tty_puts(tty, "\033[49m");
1.81 nicm 1477: else if (tc->bg != 0 ||
1478: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1479: tty_putcode1(tty, TTYC_SETAB, 0);
1480: tc->bg = 8;
1481: tc->flags &= ~GRID_FLAG_BG256;
1482: }
1483: }
1484: }
1.1 nicm 1485:
1.61 nicm 1486: /* Set the foreground colour. */
1487: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1488: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 nicm 1489: tty_colours_fg(tty, gc);
1.1 nicm 1490:
1.61 nicm 1491: /*
1492: * Set the background colour. This must come after the foreground as
1493: * tty_colour_fg() can call tty_reset().
1494: */
1495: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1496: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1497: tty_colours_bg(tty, gc);
1.1 nicm 1498: }
1499:
1500: void
1.85 nicm 1501: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1502: {
1503: u_int colours;
1504:
1.175 nicm 1505: colours = tty_term_number(tty->term, TTYC_COLORS);
1506:
1.85 nicm 1507: /* Is this a 256-colour colour? */
1508: if (gc->flags & GRID_FLAG_FG256) {
1509: /* And not a 256 colour mode? */
1.158 nicm 1510: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1511: !(tty->term_flags & TERM_256COLOURS)) {
1512: gc->fg = colour_256to16(gc->fg);
1513: if (gc->fg & 8) {
1514: gc->fg &= 7;
1.175 nicm 1515: if (colours >= 16)
1516: gc->fg += 90;
1517: else
1518: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1519: } else
1520: gc->attr &= ~GRID_ATTR_BRIGHT;
1521: gc->flags &= ~GRID_FLAG_FG256;
1522: }
1523: return;
1524: }
1525:
1526: /* Is this an aixterm colour? */
1527: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1528: gc->fg -= 90;
1529: gc->attr |= GRID_ATTR_BRIGHT;
1530: }
1531: }
1532:
1533: void
1534: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1535: {
1536: u_int colours;
1537:
1.175 nicm 1538: colours = tty_term_number(tty->term, TTYC_COLORS);
1539:
1.85 nicm 1540: /* Is this a 256-colour colour? */
1541: if (gc->flags & GRID_FLAG_BG256) {
1542: /*
1543: * And not a 256 colour mode? Translate to 16-colour
1544: * palette. Bold background doesn't exist portably, so just
1545: * discard the bold bit if set.
1546: */
1.158 nicm 1547: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1548: !(tty->term_flags & TERM_256COLOURS)) {
1549: gc->bg = colour_256to16(gc->bg);
1.175 nicm 1550: if (gc->bg & 8) {
1.85 nicm 1551: gc->bg &= 7;
1.175 nicm 1552: if (colours >= 16)
1553: gc->fg += 90;
1554: }
1.85 nicm 1555: gc->flags &= ~GRID_FLAG_BG256;
1556: }
1557: return;
1558: }
1559:
1560: /* Is this an aixterm colour? */
1.175 nicm 1561: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 1562: gc->bg -= 90;
1563: }
1564:
1565: void
1566: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1567: {
1.61 nicm 1568: struct grid_cell *tc = &tty->cell;
1569: u_char fg = gc->fg;
1.79 nicm 1570: char s[32];
1.1 nicm 1571:
1.61 nicm 1572: /* Is this a 256-colour colour? */
1.1 nicm 1573: if (gc->flags & GRID_FLAG_FG256) {
1.158 nicm 1574: /* Try as 256 colours. */
1.1 nicm 1575: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1576: goto save_fg;
1.85 nicm 1577: /* Else already handled by tty_check_fg. */
1578: return;
1.1 nicm 1579: }
1580:
1.79 nicm 1581: /* Is this an aixterm bright colour? */
1582: if (fg >= 90 && fg <= 97) {
1.85 nicm 1583: xsnprintf(s, sizeof s, "\033[%dm", fg);
1584: tty_puts(tty, s);
1585: goto save_fg;
1.79 nicm 1586: }
1587:
1.61 nicm 1588: /* Otherwise set the foreground colour. */
1589: tty_putcode1(tty, TTYC_SETAF, fg);
1590:
1.77 nicm 1591: save_fg:
1.61 nicm 1592: /* Save the new values in the terminal current cell. */
1593: tc->fg = fg;
1594: tc->flags &= ~GRID_FLAG_FG256;
1595: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1596: }
1597:
1598: void
1.73 nicm 1599: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1600: {
1.61 nicm 1601: struct grid_cell *tc = &tty->cell;
1602: u_char bg = gc->bg;
1.79 nicm 1603: char s[32];
1.1 nicm 1604:
1.61 nicm 1605: /* Is this a 256-colour colour? */
1.1 nicm 1606: if (gc->flags & GRID_FLAG_BG256) {
1.158 nicm 1607: /* Try as 256 colours. */
1.1 nicm 1608: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1609: goto save_bg;
1.85 nicm 1610: /* Else already handled by tty_check_bg. */
1611: return;
1.79 nicm 1612: }
1613:
1614: /* Is this an aixterm bright colour? */
1.112 nicm 1615: if (bg >= 90 && bg <= 97) {
1.175 nicm 1616: xsnprintf(s, sizeof s, "\033[%dm", bg + 10);
1617: tty_puts(tty, s);
1618: goto save_bg;
1.1 nicm 1619: }
1620:
1.61 nicm 1621: /* Otherwise set the background colour. */
1622: tty_putcode1(tty, TTYC_SETAB, bg);
1623:
1624: save_bg:
1625: /* Save the new values in the terminal current cell. */
1626: tc->bg = bg;
1627: tc->flags &= ~GRID_FLAG_BG256;
1628: tc->flags |= gc->flags & GRID_FLAG_BG256;
1629: }
1630:
1631: int
1632: tty_try_256(struct tty *tty, u_char colour, const char *type)
1633: {
1634: char s[32];
1635:
1.165 nicm 1636: /*
1.189 nicm 1637: * If the user has specified -2 to the client, setaf and setab may not
1638: * work (or they may not want to use them), so send the usual sequence.
1639: */
1640: if (tty->term_flags & TERM_256COLOURS)
1641: goto fallback;
1642:
1643: /*
1.188 nicm 1644: * If the terminfo entry has 256 colours and setaf and setab exist,
1645: * assume that they work correctly.
1.165 nicm 1646: */
1647: if (tty->term->flags & TERM_256COLOURS) {
1.188 nicm 1648: if (*type == '3') {
1649: if (!tty_term_has(tty->term, TTYC_SETAF))
1650: goto fallback;
1.165 nicm 1651: tty_putcode1(tty, TTYC_SETAF, colour);
1.188 nicm 1652: } else {
1653: if (!tty_term_has(tty->term, TTYC_SETAB))
1654: goto fallback;
1.165 nicm 1655: tty_putcode1(tty, TTYC_SETAB, colour);
1.188 nicm 1656: }
1.165 nicm 1657: return (0);
1658: }
1.61 nicm 1659:
1.165 nicm 1660: return (-1);
1.188 nicm 1661:
1662: fallback:
1663: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1664: tty_puts(tty, s);
1665: return (0);
1.176 nicm 1666: }
1667:
1668: void
1669: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
1670: {
1671: const struct grid_cell *agc, *pgc, *wgc;
1672:
1673: if (wp == NULL)
1674: return;
1675:
1676: pgc = &wp->colgc;
1.191 nicm 1677: agc = options_get_style(wp->window->options, "window-active-style");
1678: wgc = options_get_style(wp->window->options, "window-style");
1.176 nicm 1679:
1680: if (gc->fg == 8 && !(gc->flags & GRID_FLAG_FG256)) {
1681: if (pgc->fg != 8 || (pgc->flags & GRID_FLAG_FG256)) {
1682: gc->fg = pgc->fg;
1683: gc->flags |= (pgc->flags & GRID_FLAG_FG256);
1684: } else if (wp == wp->window->active &&
1685: (agc->fg != 8 || (agc->flags & GRID_FLAG_FG256))) {
1686: gc->fg = agc->fg;
1687: gc->flags |= (agc->flags & GRID_FLAG_FG256);
1688: } else {
1689: gc->fg = wgc->fg;
1690: gc->flags |= (wgc->flags & GRID_FLAG_FG256);
1691: }
1692: }
1693:
1694: if (gc->bg == 8 && !(gc->flags & GRID_FLAG_BG256)) {
1695: if (pgc->bg != 8 || (pgc->flags & GRID_FLAG_BG256)) {
1696: gc->bg = pgc->bg;
1697: gc->flags |= (pgc->flags & GRID_FLAG_BG256);
1698: } else if (wp == wp->window->active &&
1699: (agc->bg != 8 || (agc->flags & GRID_FLAG_BG256))) {
1700: gc->bg = agc->bg;
1701: gc->flags |= (agc->flags & GRID_FLAG_BG256);
1702: } else {
1703: gc->bg = wgc->bg;
1704: gc->flags |= (wgc->flags & GRID_FLAG_BG256);
1705: }
1706: }
1.1 nicm 1707: }
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