Annotation of src/usr.bin/tmux/tty.c, Revision 1.177
1.177 ! nicm 1: /* $OpenBSD: tty.c,v 1.176 2015/04/19 21:05:27 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:
1.67 nicm 34: void tty_read_callback(struct bufferevent *, void *);
1.66 nicm 35: void tty_error_callback(struct bufferevent *, short, void *);
36:
1.1 nicm 37: int tty_try_256(struct tty *, u_char, const char *);
38:
1.85 nicm 39: void tty_colours(struct tty *, const struct grid_cell *);
40: void tty_check_fg(struct tty *, struct grid_cell *);
41: void tty_check_bg(struct tty *, struct grid_cell *);
42: void tty_colours_fg(struct tty *, const struct grid_cell *);
1.73 nicm 43: void tty_colours_bg(struct tty *, const struct grid_cell *);
1.1 nicm 44:
1.120 nicm 45: int tty_large_region(struct tty *, const struct tty_ctx *);
1.176 nicm 46: int tty_fake_bce(const struct tty *, const struct window_pane *);
1.24 nicm 47: void tty_redraw_region(struct tty *, const struct tty_ctx *);
1.13 nicm 48: void tty_emulate_repeat(
49: struct tty *, enum tty_code_code, enum tty_code_code, u_int);
1.133 nicm 50: void tty_repeat_space(struct tty *, u_int);
1.176 nicm 51: void tty_cell(struct tty *, const struct grid_cell *,
52: const struct window_pane *);
53: void tty_default_colours(struct grid_cell *, const struct window_pane *);
1.1 nicm 54:
1.90 nicm 55: #define tty_use_acs(tty) \
1.131 nicm 56: (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.90 nicm 57:
1.132 nicm 58: #define tty_pane_full_width(tty, ctx) \
59: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
60:
1.1 nicm 61: void
1.136 nicm 62: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 63: {
1.30 nicm 64: char *path;
65:
66: memset(tty, 0, sizeof *tty);
1.23 nicm 67: tty->log_fd = -1;
1.22 nicm 68:
1.9 nicm 69: if (term == NULL || *term == '\0')
1.1 nicm 70: tty->termname = xstrdup("unknown");
71: else
72: tty->termname = xstrdup(term);
1.30 nicm 73: tty->fd = fd;
1.136 nicm 74: tty->client = c;
1.30 nicm 75:
76: if ((path = ttyname(fd)) == NULL)
77: fatalx("ttyname failed");
78: tty->path = xstrdup(path);
1.108 nicm 79: tty->cstyle = 0;
1.107 nicm 80: tty->ccolour = xstrdup("");
1.30 nicm 81:
1.1 nicm 82: tty->flags = 0;
83: tty->term_flags = 0;
1.31 nicm 84: }
85:
1.88 nicm 86: int
1.31 nicm 87: tty_resize(struct tty *tty)
88: {
89: struct winsize ws;
1.88 nicm 90: u_int sx, sy;
1.31 nicm 91:
92: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 93: sx = ws.ws_col;
94: if (sx == 0)
95: sx = 80;
96: sy = ws.ws_row;
97: if (sy == 0)
98: sy = 24;
99: } else {
100: sx = 80;
101: sy = 24;
1.31 nicm 102: }
1.114 nicm 103: if (!tty_set_size(tty, sx, sy))
1.88 nicm 104: return (0);
1.31 nicm 105:
106: tty->cx = UINT_MAX;
107: tty->cy = UINT_MAX;
108:
109: tty->rupper = UINT_MAX;
110: tty->rlower = UINT_MAX;
1.88 nicm 111:
112: /*
113: * If the terminal has been started, reset the actual scroll region and
114: * cursor position, as this may not have happened.
115: */
116: if (tty->flags & TTY_STARTED) {
117: tty_cursor(tty, 0, 0);
118: tty_region(tty, 0, tty->sy - 1);
119: }
120:
1.114 nicm 121: return (1);
122: }
123:
124: int
125: tty_set_size(struct tty *tty, u_int sx, u_int sy) {
126: if (sx == tty->sx && sy == tty->sy)
127: return (0);
128: tty->sx = sx;
129: tty->sy = sy;
1.88 nicm 130: return (1);
1.1 nicm 131: }
132:
133: int
1.166 nicm 134: tty_open(struct tty *tty, char **cause)
1.1 nicm 135: {
1.88 nicm 136: char out[64];
1.30 nicm 137: int fd;
1.1 nicm 138:
1.30 nicm 139: if (debug_level > 3) {
1.88 nicm 140: xsnprintf(out, sizeof out, "tmux-out-%ld.log", (long) getpid());
141: fd = open(out, O_WRONLY|O_CREAT|O_TRUNC, 0644);
1.30 nicm 142: if (fd != -1 && fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
143: fatal("fcntl failed");
144: tty->log_fd = fd;
1.1 nicm 145: }
146:
1.166 nicm 147: tty->term = tty_term_find(tty->termname, tty->fd, cause);
1.21 nicm 148: if (tty->term == NULL) {
149: tty_close(tty);
150: return (-1);
151: }
152: tty->flags |= TTY_OPENED;
1.1 nicm 153:
1.149 nicm 154: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_TIMER);
1.1 nicm 155:
1.66 nicm 156: tty->event = bufferevent_new(
1.67 nicm 157: tty->fd, tty_read_callback, NULL, tty_error_callback, tty);
1.1 nicm 158:
159: tty_start_tty(tty);
160:
1.148 nicm 161: tty_keys_build(tty);
1.1 nicm 162:
163: return (0);
164: }
165:
166: void
1.67 nicm 167: tty_read_callback(unused struct bufferevent *bufev, void *data)
168: {
169: struct tty *tty = data;
170:
171: while (tty_keys_next(tty))
172: ;
173: }
174:
175: void
1.66 nicm 176: tty_error_callback(
177: unused struct bufferevent *bufev, unused short what, unused void *data)
178: {
179: }
180:
181: void
1.127 nicm 182: tty_init_termios(int fd, struct termios *orig_tio, struct bufferevent *bufev)
1.1 nicm 183: {
1.128 nicm 184: struct termios tio;
1.33 nicm 185:
1.127 nicm 186: if (fd == -1 || tcgetattr(fd, orig_tio) != 0)
1.33 nicm 187: return;
1.1 nicm 188:
1.127 nicm 189: setblocking(fd, 0);
1.34 nicm 190:
1.127 nicm 191: if (bufev != NULL)
192: bufferevent_enable(bufev, EV_READ|EV_WRITE);
1.66 nicm 193:
1.127 nicm 194: memcpy(&tio, orig_tio, sizeof tio);
1.1 nicm 195: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
196: tio.c_iflag |= IGNBRK;
197: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
198: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
1.169 jsg 199: ECHOPRT|ECHOKE|ISIG);
1.1 nicm 200: tio.c_cc[VMIN] = 1;
1.60 deraadt 201: tio.c_cc[VTIME] = 0;
1.127 nicm 202: if (tcsetattr(fd, TCSANOW, &tio) == 0)
203: tcflush(fd, TCIOFLUSH);
204: }
205:
206: void
207: tty_start_tty(struct tty *tty)
208: {
209: tty_init_termios(tty->fd, &tty->tio, tty->event);
1.1 nicm 210:
1.10 nicm 211: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 212:
1.25 nicm 213: tty_putcode(tty, TTYC_SGR0);
214: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
215:
1.76 nicm 216: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 217: if (tty_use_acs(tty))
218: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 219: tty_putcode(tty, TTYC_CLEAR);
220:
221: tty_putcode(tty, TTYC_CNORM);
222: if (tty_term_has(tty->term, TTYC_KMOUS))
1.153 nicm 223: tty_puts(tty, "\033[?1000l\033[?1006l\033[?1005l");
1.121 nicm 224:
1.162 nicm 225: if (tty_term_has(tty->term, TTYC_XT)) {
226: if (options_get_number(&global_options, "focus-events")) {
227: tty->flags |= TTY_FOCUS;
228: tty_puts(tty, "\033[?1004h");
229: }
1.163 nicm 230: tty_puts(tty, "\033[c");
1.162 nicm 231: }
1.1 nicm 232:
233: tty->cx = UINT_MAX;
234: tty->cy = UINT_MAX;
235:
236: tty->rlower = UINT_MAX;
237: tty->rupper = UINT_MAX;
238:
239: tty->mode = MODE_CURSOR;
1.20 nicm 240:
241: tty->flags |= TTY_STARTED;
1.107 nicm 242:
243: tty_force_cursor_colour(tty, "");
1.177 ! nicm 244:
! 245: tty->mouse_drag_flag = 0;
! 246: tty->mouse_drag_update = NULL;
! 247: tty->mouse_drag_release = NULL;
1.145 nicm 248: }
249:
250: void
251: tty_set_class(struct tty *tty, u_int class)
252: {
253: if (tty->class != 0)
254: return;
255: tty->class = class;
1.128 nicm 256: }
257:
258: void
1.1 nicm 259: tty_stop_tty(struct tty *tty)
260: {
261: struct winsize ws;
262:
1.20 nicm 263: if (!(tty->flags & TTY_STARTED))
264: return;
265: tty->flags &= ~TTY_STARTED;
266:
1.66 nicm 267: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
268:
1.1 nicm 269: /*
270: * Be flexible about error handling and try not kill the server just
271: * because the fd is invalid. Things like ssh -t can easily leave us
272: * with a dead tty.
273: */
274: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
275: return;
276: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
277: return;
278:
279: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 280: if (tty_use_acs(tty))
281: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 282: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
283: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
284: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 285: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
286: if (tty_term_has(tty->term, TTYC_SE))
287: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 288: else
1.160 nicm 289: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 290: }
1.173 nicm 291: if (tty->mode & MODE_BRACKETPASTE)
292: tty_raw(tty, "\033[?2004l");
1.107 nicm 293: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 294:
295: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
296: if (tty_term_has(tty->term, TTYC_KMOUS))
1.153 nicm 297: tty_raw(tty, "\033[?1000l\033[?1006l\033[?1005l");
1.151 nicm 298:
1.162 nicm 299: if (tty_term_has(tty->term, TTYC_XT)) {
300: if (tty->flags & TTY_FOCUS) {
301: tty->flags &= ~TTY_FOCUS;
1.172 nicm 302: tty_raw(tty, "\033[?1004l");
1.162 nicm 303: }
304: }
1.10 nicm 305:
306: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 307:
308: setblocking(tty->fd, 1);
1.1 nicm 309: }
310:
311: void
1.20 nicm 312: tty_close(struct tty *tty)
1.1 nicm 313: {
314: if (tty->log_fd != -1) {
315: close(tty->log_fd);
316: tty->log_fd = -1;
317: }
318:
1.123 nicm 319: if (event_initialized(&tty->key_timer))
320: evtimer_del(&tty->key_timer);
1.20 nicm 321: tty_stop_tty(tty);
1.1 nicm 322:
1.21 nicm 323: if (tty->flags & TTY_OPENED) {
1.66 nicm 324: bufferevent_free(tty->event);
325:
1.21 nicm 326: tty_term_free(tty->term);
327: tty_keys_free(tty);
328:
329: tty->flags &= ~TTY_OPENED;
330: }
1.1 nicm 331:
1.21 nicm 332: if (tty->fd != -1) {
333: close(tty->fd);
334: tty->fd = -1;
335: }
1.1 nicm 336: }
337:
338: void
1.20 nicm 339: tty_free(struct tty *tty)
1.1 nicm 340: {
1.20 nicm 341: tty_close(tty);
1.1 nicm 342:
1.138 nicm 343: free(tty->ccolour);
1.1 nicm 344: if (tty->path != NULL)
1.138 nicm 345: free(tty->path);
1.1 nicm 346: if (tty->termname != NULL)
1.138 nicm 347: free(tty->termname);
1.1 nicm 348: }
349:
350: void
351: tty_raw(struct tty *tty, const char *s)
352: {
1.150 nicm 353: ssize_t n, slen;
354: u_int i;
355:
356: slen = strlen(s);
357: for (i = 0; i < 5; i++) {
358: n = write(tty->fd, s, slen);
359: if (n >= 0) {
360: s += n;
361: slen -= n;
362: if (slen == 0)
363: break;
364: } else if (n == -1 && errno != EAGAIN)
365: break;
366: usleep(100);
367: }
1.1 nicm 368: }
369:
370: void
371: tty_putcode(struct tty *tty, enum tty_code_code code)
372: {
373: tty_puts(tty, tty_term_string(tty->term, code));
374: }
375:
376: void
377: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
378: {
379: if (a < 0)
380: return;
381: tty_puts(tty, tty_term_string1(tty->term, code, a));
382: }
383:
384: void
385: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
386: {
387: if (a < 0 || b < 0)
388: return;
389: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
390: }
391:
392: void
1.107 nicm 393: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
394: {
395: if (a != NULL)
396: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
397: }
398:
399: void
1.167 nicm 400: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
401: const void *b)
1.106 nicm 402: {
403: if (a != NULL && b != NULL)
404: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
405: }
406:
407: void
1.1 nicm 408: tty_puts(struct tty *tty, const char *s)
409: {
410: if (*s == '\0')
411: return;
1.66 nicm 412: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 413:
414: if (tty->log_fd != -1)
415: write(tty->log_fd, s, strlen(s));
416: }
417:
418: void
419: tty_putc(struct tty *tty, u_char ch)
420: {
1.90 nicm 421: const char *acs;
422: u_int sx;
1.1 nicm 423:
1.90 nicm 424: if (tty->cell.attr & GRID_ATTR_CHARSET) {
425: acs = tty_acs_get(tty, ch);
426: if (acs != NULL)
427: bufferevent_write(tty->event, acs, strlen(acs));
428: else
429: bufferevent_write(tty->event, &ch, 1);
430: } else
431: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 432:
433: if (ch >= 0x20 && ch != 0x7f) {
434: sx = tty->sx;
435: if (tty->term->flags & TERM_EARLYWRAP)
436: sx--;
437:
1.46 nicm 438: if (tty->cx >= sx) {
439: tty->cx = 1;
440: if (tty->cy != tty->rlower)
441: tty->cy++;
1.1 nicm 442: } else
443: tty->cx++;
444: }
445:
446: if (tty->log_fd != -1)
447: write(tty->log_fd, &ch, 1);
448: }
449:
450: void
1.147 nicm 451: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 452: {
1.147 nicm 453: bufferevent_write(tty->event, buf, len);
1.71 nicm 454: if (tty->log_fd != -1)
1.147 nicm 455: write(tty->log_fd, buf, len);
456: tty->cx += width;
1.5 nicm 457: }
458:
459: void
1.1 nicm 460: tty_set_title(struct tty *tty, const char *title)
461: {
1.105 nicm 462: if (!tty_term_has(tty->term, TTYC_TSL) ||
463: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 464: return;
465:
1.105 nicm 466: tty_putcode(tty, TTYC_TSL);
1.1 nicm 467: tty_puts(tty, title);
1.105 nicm 468: tty_putcode(tty, TTYC_FSL);
1.1 nicm 469: }
470:
471: void
1.107 nicm 472: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
473: {
474: if (*ccolour == '\0')
475: tty_putcode(tty, TTYC_CR);
476: else
1.160 nicm 477: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 478: free(tty->ccolour);
1.107 nicm 479: tty->ccolour = xstrdup(ccolour);
480: }
481:
482: void
483: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 484: {
485: int changed;
486:
1.107 nicm 487: if (strcmp(s->ccolour, tty->ccolour))
488: tty_force_cursor_colour(tty, s->ccolour);
489:
1.1 nicm 490: if (tty->flags & TTY_NOCURSOR)
491: mode &= ~MODE_CURSOR;
492:
493: changed = mode ^ tty->mode;
1.171 nicm 494: if (changed & (MODE_CURSOR|MODE_BLINKING)) {
495: if (mode & MODE_CURSOR) {
496: if (mode & MODE_BLINKING &&
497: tty_term_has(tty->term, TTYC_CVVIS))
498: tty_putcode(tty, TTYC_CVVIS);
499: else
500: tty_putcode(tty, TTYC_CNORM);
501: } else
1.1 nicm 502: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 503: }
504: if (tty->cstyle != s->cstyle) {
1.160 nicm 505: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 506: if (s->cstyle == 0 &&
1.160 nicm 507: tty_term_has(tty->term, TTYC_SE))
508: tty_putcode(tty, TTYC_SE);
1.108 nicm 509: else
1.160 nicm 510: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 511: }
512: tty->cstyle = s->cstyle;
1.1 nicm 513: }
1.154 nicm 514: if (changed & (ALL_MOUSE_MODES|MODE_MOUSE_UTF8)) {
1.94 nicm 515: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 516: /*
517: * Enable the UTF-8 (1005) extension if configured to.
518: * Enable the SGR (1006) extension unconditionally, as
519: * this is safe from misinterpretation. Do it in this
520: * order, because in some terminals it's the last one
521: * that takes effect and SGR is the preferred one.
522: */
1.95 nicm 523: if (mode & MODE_MOUSE_UTF8)
524: tty_puts(tty, "\033[?1005h");
1.154 nicm 525: else
526: tty_puts(tty, "\033[?1005l");
1.153 nicm 527: tty_puts(tty, "\033[?1006h");
528:
1.170 nicm 529: if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 530: tty_puts(tty, "\033[?1002h");
1.98 nicm 531: else if (mode & MODE_MOUSE_STANDARD)
532: tty_puts(tty, "\033[?1000h");
1.86 nicm 533: } else {
1.170 nicm 534: if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 535: tty_puts(tty, "\033[?1002l");
1.98 nicm 536: else if (tty->mode & MODE_MOUSE_STANDARD)
537: tty_puts(tty, "\033[?1000l");
1.153 nicm 538:
539: tty_puts(tty, "\033[?1006l");
1.95 nicm 540: if (tty->mode & MODE_MOUSE_UTF8)
541: tty_puts(tty, "\033[?1005l");
1.86 nicm 542: }
1.76 nicm 543: }
544: if (changed & MODE_KKEYPAD) {
545: if (mode & MODE_KKEYPAD)
546: tty_putcode(tty, TTYC_SMKX);
547: else
548: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 549: }
550: if (changed & MODE_BRACKETPASTE) {
551: if (mode & MODE_BRACKETPASTE)
552: tty_puts(tty, "\033[?2004h");
553: else
554: tty_puts(tty, "\033[?2004l");
1.1 nicm 555: }
556: tty->mode = mode;
557: }
558:
559: void
1.168 nicm 560: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
561: enum tty_code_code code1, u_int n)
1.1 nicm 562: {
563: if (tty_term_has(tty->term, code))
564: tty_putcode1(tty, code, n);
565: else {
566: while (n-- > 0)
567: tty_putcode(tty, code1);
568: }
569: }
570:
1.133 nicm 571: void
572: tty_repeat_space(struct tty *tty, u_int n)
573: {
574: while (n-- > 0)
575: tty_putc(tty, ' ');
576: }
577:
1.1 nicm 578: /*
1.119 nicm 579: * Is the region large enough to be worth redrawing once later rather than
580: * probably several times now? Currently yes if it is more than 50% of the
581: * pane.
582: */
583: int
584: tty_large_region(unused struct tty *tty, const struct tty_ctx *ctx)
585: {
586: struct window_pane *wp = ctx->wp;
587:
588: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
589: }
590:
591: /*
1.176 nicm 592: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
593: * emulated.
594: */
595: int
596: tty_fake_bce(const struct tty *tty, const struct window_pane *wp)
597: {
598: struct grid_cell gc;
599:
600: memcpy(&gc, &grid_default_cell, sizeof gc);
601: tty_default_colours(&gc, wp);
602:
603: if (gc.bg == 8 && !(gc.flags & GRID_FLAG_BG256))
604: return (0);
605: return (!tty_term_flag(tty->term, TTYC_BCE));
606: }
607:
608: /*
1.1 nicm 609: * Redraw scroll region using data from screen (already updated). Used when
610: * CSR not supported, or window is a pane that doesn't take up the full
611: * width of the terminal.
612: */
613: void
1.24 nicm 614: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 615: {
1.14 nicm 616: struct window_pane *wp = ctx->wp;
617: struct screen *s = wp->screen;
618: u_int i;
1.1 nicm 619:
620: /*
1.119 nicm 621: * If region is large, schedule a window redraw. In most cases this is
622: * likely to be followed by some more scrolling.
1.1 nicm 623: */
1.119 nicm 624: if (tty_large_region(tty, ctx)) {
1.1 nicm 625: wp->flags |= PANE_REDRAW;
626: return;
627: }
628:
1.14 nicm 629: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
630: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176 nicm 631: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 632: } else {
1.14 nicm 633: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176 nicm 634: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 635: }
636: }
637:
638: void
1.176 nicm 639: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
640: u_int oy)
641: {
642: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
643: }
644:
645: void
646: tty_draw_line(struct tty *tty, const struct window_pane *wp,
647: struct screen *s, u_int py, u_int ox, u_int oy)
1.1 nicm 648: {
649: const struct grid_cell *gc;
1.46 nicm 650: struct grid_line *gl;
1.16 nicm 651: struct grid_cell tmpgc;
1.147 nicm 652: struct utf8_data ud;
1.1 nicm 653: u_int i, sx;
654:
1.107 nicm 655: tty_update_mode(tty, tty->mode & ~MODE_CURSOR, s);
1.35 nicm 656:
1.1 nicm 657: sx = screen_size_x(s);
1.19 nicm 658: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
659: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 660: if (sx > tty->sx)
661: sx = tty->sx;
662:
1.46 nicm 663: /*
1.174 nicm 664: * Don't move the cursor to the start position if it will wrap there
1.50 nicm 665: * itself.
1.46 nicm 666: */
667: gl = NULL;
668: if (py != 0)
669: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 670: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 671: tty->cx < tty->sx || ox != 0 ||
672: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 673: tty_cursor(tty, ox, oy + py);
674:
1.1 nicm 675: for (i = 0; i < sx; i++) {
676: gc = grid_view_peek_cell(s->grid, i, py);
677: if (screen_check_selection(s, i, py)) {
1.16 nicm 678: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
1.147 nicm 679: grid_cell_get(gc, &ud);
680: grid_cell_set(&tmpgc, &ud);
1.77 nicm 681: tmpgc.flags = gc->flags &
1.38 nicm 682: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
683: tmpgc.flags |= s->sel.cell.flags &
684: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.176 nicm 685: tty_cell(tty, &tmpgc, wp);
1.1 nicm 686: } else
1.176 nicm 687: tty_cell(tty, gc, wp);
1.1 nicm 688: }
689:
1.35 nicm 690: if (sx >= tty->sx) {
1.107 nicm 691: tty_update_mode(tty, tty->mode, s);
1.1 nicm 692: return;
1.35 nicm 693: }
1.176 nicm 694: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 695:
1.41 nicm 696: tty_cursor(tty, ox + sx, oy + py);
1.126 nicm 697: if (sx != screen_size_x(s) && ox + screen_size_x(s) >= tty->sx &&
1.176 nicm 698: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp))
1.1 nicm 699: tty_putcode(tty, TTYC_EL);
1.133 nicm 700: else
701: tty_repeat_space(tty, screen_size_x(s) - sx);
1.107 nicm 702: tty_update_mode(tty, tty->mode, s);
1.15 nicm 703: }
704:
705: void
1.113 nicm 706: tty_write(
707: void (*cmdfn)(struct tty *, const struct tty_ctx *), struct tty_ctx *ctx)
1.15 nicm 708: {
709: struct window_pane *wp = ctx->wp;
710: struct client *c;
711: u_int i;
712:
1.75 nicm 713: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 714: if (wp == NULL)
715: return;
716:
717: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
718: return;
1.129 nicm 719: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 720: return;
721:
722: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
723: c = ARRAY_ITEM(&clients, i);
1.139 nicm 724: if (c == NULL || c->session == NULL || c->tty.term == NULL)
1.15 nicm 725: continue;
1.142 nicm 726: if (c->flags & CLIENT_SUSPENDED)
727: continue;
728: if (c->tty.flags & TTY_FREEZE)
1.139 nicm 729: continue;
730: if (c->session->curw->window != wp->window)
1.15 nicm 731: continue;
732:
1.139 nicm 733: ctx->xoff = wp->xoff;
734: ctx->yoff = wp->yoff;
735: if (status_at_line(c) == 0)
736: ctx->yoff++;
1.113 nicm 737:
1.139 nicm 738: cmdfn(&c->tty, ctx);
1.1 nicm 739: }
740: }
741:
742: void
1.24 nicm 743: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 744: {
1.77 nicm 745: struct window_pane *wp = ctx->wp;
1.1 nicm 746:
1.135 nicm 747: if (!tty_pane_full_width(tty, ctx)) {
1.176 nicm 748: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 749: return;
750: }
751:
1.176 nicm 752: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 753:
1.77 nicm 754: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 755:
1.176 nicm 756: if (!tty_fake_bce(tty, wp) && (tty_term_has(tty->term, TTYC_ICH) ||
757: tty_term_has(tty->term, TTYC_ICH1)))
1.12 nicm 758: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.134 nicm 759: else
1.176 nicm 760: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 761: }
762:
763: void
1.24 nicm 764: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 765: {
1.77 nicm 766: struct window_pane *wp = ctx->wp;
1.1 nicm 767:
1.176 nicm 768: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, wp) ||
1.26 nicm 769: (!tty_term_has(tty->term, TTYC_DCH) &&
770: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 771: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 772: return;
773: }
774:
1.176 nicm 775: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 776:
1.77 nicm 777: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 778:
1.26 nicm 779: if (tty_term_has(tty->term, TTYC_DCH) ||
780: tty_term_has(tty->term, TTYC_DCH1))
781: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 782: }
783:
784: void
785: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
786: {
787: u_int i;
788:
1.176 nicm 789: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.146 nicm 790:
791: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
792:
1.176 nicm 793: if (tty_term_has(tty->term, TTYC_ECH) && !tty_fake_bce(tty, ctx->wp))
1.146 nicm 794: tty_putcode1(tty, TTYC_ECH, ctx->num);
795: else {
796: for (i = 0; i < ctx->num; i++)
797: tty_putc(tty, ' ');
798: }
1.1 nicm 799: }
800:
801: void
1.24 nicm 802: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 803: {
1.176 nicm 804: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.77 nicm 805: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 806: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 807: tty_redraw_region(tty, ctx);
1.1 nicm 808: return;
809: }
810:
1.176 nicm 811: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 812:
1.77 nicm 813: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
814: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 815:
1.12 nicm 816: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 817: }
818:
819: void
1.24 nicm 820: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 821: {
1.176 nicm 822: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.72 nicm 823: !tty_term_has(tty->term, TTYC_CSR) ||
824: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 825: tty_redraw_region(tty, ctx);
1.1 nicm 826: return;
827: }
828:
1.176 nicm 829: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 830:
1.77 nicm 831: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
832: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 833:
1.12 nicm 834: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 835: }
836:
837: void
1.24 nicm 838: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 839: {
1.77 nicm 840: struct window_pane *wp = ctx->wp;
1.12 nicm 841: struct screen *s = wp->screen;
1.1 nicm 842:
1.176 nicm 843: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 844:
1.77 nicm 845: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 846:
1.176 nicm 847: if (tty_pane_full_width(tty, ctx) && !tty_fake_bce(tty, wp) &&
848: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 849: tty_putcode(tty, TTYC_EL);
1.133 nicm 850: else
851: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 852: }
853:
854: void
1.24 nicm 855: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 856: {
1.77 nicm 857: struct window_pane *wp = ctx->wp;
1.12 nicm 858: struct screen *s = wp->screen;
1.1 nicm 859:
1.176 nicm 860: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 861:
1.41 nicm 862: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
863:
1.176 nicm 864: if (tty_pane_full_width(tty, ctx) &&
865: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp))
1.1 nicm 866: tty_putcode(tty, TTYC_EL);
1.133 nicm 867: else
868: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.1 nicm 869: }
870:
871: void
1.24 nicm 872: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 873: {
1.176 nicm 874: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.1 nicm 875:
1.176 nicm 876: if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1) &&
877: !tty_fake_bce(tty, ctx->wp)) {
1.41 nicm 878: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 879: tty_putcode(tty, TTYC_EL1);
880: } else {
1.41 nicm 881: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 882: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 883: }
884: }
885:
886: void
1.24 nicm 887: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 888: {
1.56 nicm 889: if (ctx->ocy != ctx->orupper)
890: return;
891:
1.176 nicm 892: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, ctx->wp) ||
1.70 nicm 893: !tty_term_has(tty->term, TTYC_CSR) ||
894: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 895: tty_redraw_region(tty, ctx);
1.1 nicm 896: return;
897: }
898:
1.176 nicm 899: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.77 nicm 900:
1.56 nicm 901: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
902: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 903:
1.56 nicm 904: tty_putcode(tty, TTYC_RI);
1.1 nicm 905: }
906:
907: void
1.24 nicm 908: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 909: {
1.77 nicm 910: struct window_pane *wp = ctx->wp;
1.1 nicm 911:
1.56 nicm 912: if (ctx->ocy != ctx->orlower)
913: return;
914:
1.176 nicm 915: if (!tty_pane_full_width(tty, ctx) || tty_fake_bce(tty, wp) ||
1.1 nicm 916: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 917: if (tty_large_region(tty, ctx))
918: wp->flags |= PANE_REDRAW;
1.140 nicm 919: else
1.128 nicm 920: tty_redraw_region(tty, ctx);
1.1 nicm 921: return;
922: }
1.52 nicm 923:
924: /*
925: * If this line wrapped naturally (ctx->num is nonzero), don't do
926: * anything - the cursor can just be moved to the last cell and wrap
927: * naturally.
928: */
929: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
930: return;
1.1 nicm 931:
1.176 nicm 932: tty_attributes(tty, &grid_default_cell, wp);
1.77 nicm 933:
1.56 nicm 934: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
935: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 936:
1.56 nicm 937: tty_putc(tty, '\n');
1.1 nicm 938: }
939:
940: void
1.24 nicm 941: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 942: {
1.77 nicm 943: struct window_pane *wp = ctx->wp;
1.12 nicm 944: struct screen *s = wp->screen;
945: u_int i, j;
1.1 nicm 946:
1.176 nicm 947: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 948:
1.39 nicm 949: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 950: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 951:
1.176 nicm 952: if (tty_pane_full_width(tty, ctx) &&
953: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.1 nicm 954: tty_putcode(tty, TTYC_EL);
1.14 nicm 955: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 956: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 957: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 958: tty_putcode(tty, TTYC_EL);
959: if (i == screen_size_y(s) - 1)
960: continue;
961: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
962: tty->cy++;
963: }
964: }
965: } else {
1.133 nicm 966: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.68 nicm 967: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 968: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 969: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 970: }
971: }
972: }
973:
974: void
1.24 nicm 975: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 976: {
1.77 nicm 977: struct window_pane *wp = ctx->wp;
1.12 nicm 978: struct screen *s = wp->screen;
979: u_int i, j;
1.1 nicm 980:
1.176 nicm 981: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 982:
1.39 nicm 983: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 984: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 985:
1.176 nicm 986: if (tty_pane_full_width(tty, ctx) &&
987: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.14 nicm 988: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 989: tty_putcode(tty, TTYC_EL);
990: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
991: tty->cy++;
992: }
993: } else {
1.14 nicm 994: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 995: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 996: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 997: }
998: }
1.133 nicm 999: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 1000: }
1001:
1002: void
1.24 nicm 1003: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1004: {
1.77 nicm 1005: struct window_pane *wp = ctx->wp;
1.12 nicm 1006: struct screen *s = wp->screen;
1007: u_int i, j;
1.1 nicm 1008:
1.176 nicm 1009: tty_attributes(tty, &grid_default_cell, wp);
1.1 nicm 1010:
1.39 nicm 1011: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 1012: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 1013:
1.176 nicm 1014: if (tty_pane_full_width(tty, ctx) &&
1015: tty_term_has(tty->term, TTYC_EL) && !tty_fake_bce(tty, wp)) {
1.1 nicm 1016: for (i = 0; i < screen_size_y(s); i++) {
1017: tty_putcode(tty, TTYC_EL);
1018: if (i != screen_size_y(s) - 1) {
1019: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1020: tty->cy++;
1021: }
1022: }
1023: } else {
1024: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1025: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 1026: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 1027: }
1.4 nicm 1028: }
1029: }
1030:
1031: void
1.24 nicm 1032: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1033: {
1.12 nicm 1034: struct window_pane *wp = ctx->wp;
1035: struct screen *s = wp->screen;
1036: u_int i, j;
1.4 nicm 1037:
1.176 nicm 1038: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1039:
1.39 nicm 1040: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 1041:
1042: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1043: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1044: for (i = 0; i < screen_size_x(s); i++)
1045: tty_putc(tty, 'E');
1.1 nicm 1046: }
1047: }
1048:
1049: void
1.24 nicm 1050: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1051: {
1.46 nicm 1052: struct window_pane *wp = ctx->wp;
1053: struct screen *s = wp->screen;
1.58 nicm 1054: u_int cx;
1.102 nicm 1055: u_int width;
1.46 nicm 1056:
1057: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1058:
1.57 nicm 1059: /* Is the cursor in the very last position? */
1.147 nicm 1060: width = grid_cell_width(ctx->cell);
1.102 nicm 1061: if (ctx->ocx > wp->sx - width) {
1.113 nicm 1062: if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57 nicm 1063: /*
1064: * The pane doesn't fill the entire line, the linefeed
1065: * will already have happened, so just move the cursor.
1066: */
1.125 nicm 1067: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 1068: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1069: else
1070: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.57 nicm 1071: } else if (tty->cx < tty->sx) {
1072: /*
1073: * The cursor isn't in the last position already, so
1.102 nicm 1074: * move as far left as possible and redraw the last
1.57 nicm 1075: * cell to move into the last position.
1076: */
1.147 nicm 1077: cx = screen_size_x(s) - grid_cell_width(&ctx->last_cell);
1.50 nicm 1078: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1.176 nicm 1079: tty_cell(tty, &ctx->last_cell, wp);
1.50 nicm 1080: }
1081: } else
1.46 nicm 1082: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1083:
1.176 nicm 1084: tty_cell(tty, ctx->cell, wp);
1.1 nicm 1085: }
1086:
1087: void
1.24 nicm 1088: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1089: {
1.53 nicm 1090: struct window_pane *wp = ctx->wp;
1.1 nicm 1091:
1.53 nicm 1092: /*
1093: * Cannot rely on not being a partial character, so just redraw the
1094: * whole line.
1095: */
1.176 nicm 1096: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1097: }
1098:
1099: void
1100: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1101: {
1102: char *buf;
1103: size_t off;
1104:
1105: if (!tty_term_has(tty->term, TTYC_MS))
1106: return;
1107:
1108: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1109: buf = xmalloc(off);
1110:
1111: b64_ntop(ctx->ptr, ctx->num, buf, off);
1112: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1113:
1.138 nicm 1114: free(buf);
1.100 nicm 1115: }
1116:
1117: void
1118: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1119: {
1120: u_int i;
1121: u_char *str = ctx->ptr;
1122:
1123: for (i = 0; i < ctx->num; i++)
1124: tty_putc(tty, str[i]);
1.141 nicm 1125:
1126: tty->cx = tty->cy = UINT_MAX;
1127: tty->rupper = tty->rlower = UINT_MAX;
1128:
1.176 nicm 1129: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.141 nicm 1130: tty_cursor(tty, 0, 0);
1.1 nicm 1131: }
1132:
1133: void
1.176 nicm 1134: tty_cell(struct tty *tty, const struct grid_cell *gc,
1135: const struct window_pane *wp)
1.1 nicm 1136: {
1.147 nicm 1137: struct utf8_data ud;
1138: u_int i;
1.1 nicm 1139:
1140: /* Skip last character if terminal is stupid. */
1141: if (tty->term->flags & TERM_EARLYWRAP &&
1142: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
1143: return;
1144:
1145: /* If this is a padding character, do nothing. */
1146: if (gc->flags & GRID_FLAG_PADDING)
1147: return;
1148:
1149: /* Set the attributes. */
1.176 nicm 1150: tty_attributes(tty, gc, wp);
1.1 nicm 1151:
1.147 nicm 1152: /* Get the cell and if ASCII write with putc to do ACS translation. */
1153: grid_cell_get(gc, &ud);
1154: if (ud.size == 1) {
1155: if (*ud.data < 0x20 || *ud.data == 0x7f)
1.1 nicm 1156: return;
1.147 nicm 1157: tty_putc(tty, *ud.data);
1.1 nicm 1158: return;
1159: }
1160:
1.147 nicm 1161: /* If not UTF-8, write _. */
1.1 nicm 1162: if (!(tty->flags & TTY_UTF8)) {
1.147 nicm 1163: for (i = 0; i < ud.width; i++)
1.1 nicm 1164: tty_putc(tty, '_');
1165: return;
1166: }
1167:
1.147 nicm 1168: /* Write the data. */
1169: tty_putn(tty, ud.data, ud.size, ud.width);
1.1 nicm 1170: }
1171:
1172: void
1173: tty_reset(struct tty *tty)
1174: {
1175: struct grid_cell *gc = &tty->cell;
1176:
1177: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
1178: return;
1179:
1.90 nicm 1180: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1181: tty_putcode(tty, TTYC_RMACS);
1182: tty_putcode(tty, TTYC_SGR0);
1183: memcpy(gc, &grid_default_cell, sizeof *gc);
1184: }
1185:
1.40 nicm 1186: /* Set region inside pane. */
1.1 nicm 1187: void
1.39 nicm 1188: tty_region_pane(
1189: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 1190: {
1.113 nicm 1191: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1192: }
1193:
1.40 nicm 1194: /* Set region at absolute position. */
1.39 nicm 1195: void
1.40 nicm 1196: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1197: {
1198: if (tty->rlower == rlower && tty->rupper == rupper)
1199: return;
1.1 nicm 1200: if (!tty_term_has(tty->term, TTYC_CSR))
1201: return;
1.39 nicm 1202:
1203: tty->rupper = rupper;
1204: tty->rlower = rlower;
1.55 nicm 1205:
1206: /*
1207: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1208: * 0,0 if it is beyond the last column (they do not reset their wrap
1209: * flag so further output causes a line feed). As a workaround, do an
1210: * explicit move to 0 first.
1211: */
1212: if (tty->cx >= tty->sx)
1213: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1214:
1.39 nicm 1215: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1216: tty_cursor(tty, 0, 0);
1.1 nicm 1217: }
1218:
1.42 nicm 1219: /* Move cursor inside pane. */
1.1 nicm 1220: void
1.41 nicm 1221: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1222: {
1.113 nicm 1223: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1224: }
1225:
1.42 nicm 1226: /* Move cursor to absolute position. */
1.41 nicm 1227: void
1228: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1229: {
1.42 nicm 1230: struct tty_term *term = tty->term;
1231: u_int thisx, thisy;
1232: int change;
1.77 nicm 1233:
1.42 nicm 1234: if (cx > tty->sx - 1)
1235: cx = tty->sx - 1;
1236:
1237: thisx = tty->cx;
1238: thisy = tty->cy;
1239:
1240: /* No change. */
1241: if (cx == thisx && cy == thisy)
1242: return;
1243:
1.43 nicm 1244: /* Very end of the line, just use absolute movement. */
1245: if (thisx > tty->sx - 1)
1246: goto absolute;
1247:
1.42 nicm 1248: /* Move to home position (0, 0). */
1249: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1250: tty_putcode(tty, TTYC_HOME);
1251: goto out;
1252: }
1253:
1254: /* Zero on the next line. */
1.48 nicm 1255: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1256: tty_putc(tty, '\r');
1.42 nicm 1257: tty_putc(tty, '\n');
1258: goto out;
1259: }
1260:
1.45 nicm 1261: /* Moving column or row. */
1.42 nicm 1262: if (cy == thisy) {
1.45 nicm 1263: /*
1264: * Moving column only, row staying the same.
1265: */
1266:
1.42 nicm 1267: /* To left edge. */
1268: if (cx == 0) {
1269: tty_putc(tty, '\r');
1270: goto out;
1271: }
1272:
1273: /* One to the left. */
1274: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1275: tty_putcode(tty, TTYC_CUB1);
1276: goto out;
1277: }
1278:
1279: /* One to the right. */
1280: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1281: tty_putcode(tty, TTYC_CUF1);
1282: goto out;
1283: }
1284:
1285: /* Calculate difference. */
1286: change = thisx - cx; /* +ve left, -ve right */
1287:
1288: /*
1289: * Use HPA if change is larger than absolute, otherwise move
1290: * the cursor with CUB/CUF.
1291: */
1.87 nicm 1292: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1293: tty_putcode1(tty, TTYC_HPA, cx);
1294: goto out;
1295: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1296: tty_putcode1(tty, TTYC_CUB, change);
1297: goto out;
1298: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1299: tty_putcode1(tty, TTYC_CUF, -change);
1300: goto out;
1301: }
1.45 nicm 1302: } else if (cx == thisx) {
1303: /*
1304: * Moving row only, column staying the same.
1305: */
1.42 nicm 1306:
1307: /* One above. */
1.77 nicm 1308: if (thisy != tty->rupper &&
1.42 nicm 1309: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1310: tty_putcode(tty, TTYC_CUU1);
1311: goto out;
1312: }
1313:
1314: /* One below. */
1.49 nicm 1315: if (thisy != tty->rlower &&
1.42 nicm 1316: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1317: tty_putcode(tty, TTYC_CUD1);
1318: goto out;
1319: }
1320:
1321: /* Calculate difference. */
1322: change = thisy - cy; /* +ve up, -ve down */
1323:
1324: /*
1.77 nicm 1325: * Try to use VPA if change is larger than absolute or if this
1326: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1327: */
1.87 nicm 1328: if ((u_int) abs(change) > cy ||
1.42 nicm 1329: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1330: (change > 0 && cy - change < tty->rupper)) {
1331: if (tty_term_has(term, TTYC_VPA)) {
1332: tty_putcode1(tty, TTYC_VPA, cy);
1333: goto out;
1334: }
1.42 nicm 1335: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1336: tty_putcode1(tty, TTYC_CUU, change);
1337: goto out;
1338: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1339: tty_putcode1(tty, TTYC_CUD, -change);
1340: goto out;
1341: }
1342: }
1343:
1.43 nicm 1344: absolute:
1.42 nicm 1345: /* Absolute movement. */
1346: tty_putcode2(tty, TTYC_CUP, cy, cx);
1347:
1348: out:
1349: tty->cx = cx;
1350: tty->cy = cy;
1.1 nicm 1351: }
1352:
1353: void
1.176 nicm 1354: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1355: const struct window_pane *wp)
1.1 nicm 1356: {
1.63 nicm 1357: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1358: u_char changed;
1.61 nicm 1359:
1.85 nicm 1360: memcpy(&gc2, gc, sizeof gc2);
1.176 nicm 1361: tty_default_colours(&gc2, wp);
1.63 nicm 1362:
1.18 nicm 1363: /*
1364: * If no setab, try to use the reverse attribute as a best-effort for a
1365: * non-default background. This is a bit of a hack but it doesn't do
1366: * any serious harm and makes a couple of applications happier.
1367: */
1368: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1369: if (gc2.attr & GRID_ATTR_REVERSE) {
1370: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1371: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1372: } else {
1.85 nicm 1373: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1374: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1375: }
1376: }
1.1 nicm 1377:
1.85 nicm 1378: /* Fix up the colours if necessary. */
1379: tty_check_fg(tty, &gc2);
1380: tty_check_bg(tty, &gc2);
1381:
1.64 nicm 1382: /* If any bits are being cleared, reset everything. */
1.85 nicm 1383: if (tc->attr & ~gc2.attr)
1.64 nicm 1384: tty_reset(tty);
1385:
1386: /*
1387: * Set the colours. This may call tty_reset() (so it comes next) and
1388: * may add to (NOT remove) the desired attributes by changing new_attr.
1389: */
1.85 nicm 1390: tty_colours(tty, &gc2);
1.64 nicm 1391:
1.1 nicm 1392: /* Filter out attribute bits already set. */
1.85 nicm 1393: changed = gc2.attr & ~tc->attr;
1394: tc->attr = gc2.attr;
1.1 nicm 1395:
1396: /* Set the attributes. */
1397: if (changed & GRID_ATTR_BRIGHT)
1398: tty_putcode(tty, TTYC_BOLD);
1399: if (changed & GRID_ATTR_DIM)
1400: tty_putcode(tty, TTYC_DIM);
1.164 nicm 1401: if (changed & GRID_ATTR_ITALICS) {
1.104 nicm 1402: if (tty_term_has(tty->term, TTYC_SITM))
1403: tty_putcode(tty, TTYC_SITM);
1404: else
1405: tty_putcode(tty, TTYC_SMSO);
1406: }
1.1 nicm 1407: if (changed & GRID_ATTR_UNDERSCORE)
1408: tty_putcode(tty, TTYC_SMUL);
1409: if (changed & GRID_ATTR_BLINK)
1410: tty_putcode(tty, TTYC_BLINK);
1411: if (changed & GRID_ATTR_REVERSE) {
1412: if (tty_term_has(tty->term, TTYC_REV))
1413: tty_putcode(tty, TTYC_REV);
1414: else if (tty_term_has(tty->term, TTYC_SMSO))
1415: tty_putcode(tty, TTYC_SMSO);
1416: }
1417: if (changed & GRID_ATTR_HIDDEN)
1418: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1419: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1420: tty_putcode(tty, TTYC_SMACS);
1421: }
1422:
1.61 nicm 1423: void
1.85 nicm 1424: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1425: {
1.61 nicm 1426: struct grid_cell *tc = &tty->cell;
1.62 nicm 1427: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1428: int have_ax, fg_default, bg_default;
1.61 nicm 1429:
1430: /* No changes? Nothing is necessary. */
1.62 nicm 1431: if (fg == tc->fg && bg == tc->bg &&
1432: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1433: return;
1.1 nicm 1434:
1.61 nicm 1435: /*
1436: * Is either the default colour? This is handled specially because the
1437: * best solution might be to reset both colours to default, in which
1438: * case if only one is default need to fall onward to set the other
1439: * colour.
1440: */
1.62 nicm 1441: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1442: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1443: if (fg_default || bg_default) {
1444: /*
1445: * If don't have AX but do have op, send sgr0 (op can't
1446: * actually be used because it is sometimes the same as sgr0
1447: * and sometimes isn't). This resets both colours to default.
1448: *
1449: * Otherwise, try to set the default colour only as needed.
1450: */
1.174 nicm 1451: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 1452: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1453: tty_reset(tty);
1454: else {
1455: if (fg_default &&
1.81 nicm 1456: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1457: if (have_ax)
1458: tty_puts(tty, "\033[39m");
1.81 nicm 1459: else if (tc->fg != 7 ||
1460: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1461: tty_putcode1(tty, TTYC_SETAF, 7);
1462: tc->fg = 8;
1463: tc->flags &= ~GRID_FLAG_FG256;
1464: }
1465: if (bg_default &&
1.81 nicm 1466: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1467: if (have_ax)
1.61 nicm 1468: tty_puts(tty, "\033[49m");
1.81 nicm 1469: else if (tc->bg != 0 ||
1470: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1471: tty_putcode1(tty, TTYC_SETAB, 0);
1472: tc->bg = 8;
1473: tc->flags &= ~GRID_FLAG_BG256;
1474: }
1475: }
1476: }
1.1 nicm 1477:
1.61 nicm 1478: /* Set the foreground colour. */
1479: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1480: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 nicm 1481: tty_colours_fg(tty, gc);
1.1 nicm 1482:
1.61 nicm 1483: /*
1484: * Set the background colour. This must come after the foreground as
1485: * tty_colour_fg() can call tty_reset().
1486: */
1487: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1488: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1489: tty_colours_bg(tty, gc);
1.1 nicm 1490: }
1491:
1492: void
1.85 nicm 1493: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1494: {
1495: u_int colours;
1496:
1.175 nicm 1497: colours = tty_term_number(tty->term, TTYC_COLORS);
1498:
1.85 nicm 1499: /* Is this a 256-colour colour? */
1500: if (gc->flags & GRID_FLAG_FG256) {
1501: /* And not a 256 colour mode? */
1.158 nicm 1502: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1503: !(tty->term_flags & TERM_256COLOURS)) {
1504: gc->fg = colour_256to16(gc->fg);
1505: if (gc->fg & 8) {
1506: gc->fg &= 7;
1.175 nicm 1507: if (colours >= 16)
1508: gc->fg += 90;
1509: else
1510: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1511: } else
1512: gc->attr &= ~GRID_ATTR_BRIGHT;
1513: gc->flags &= ~GRID_FLAG_FG256;
1514: }
1515: return;
1516: }
1517:
1518: /* Is this an aixterm colour? */
1519: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1520: gc->fg -= 90;
1521: gc->attr |= GRID_ATTR_BRIGHT;
1522: }
1523: }
1524:
1525: void
1526: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1527: {
1528: u_int colours;
1529:
1.175 nicm 1530: colours = tty_term_number(tty->term, TTYC_COLORS);
1531:
1.85 nicm 1532: /* Is this a 256-colour colour? */
1533: if (gc->flags & GRID_FLAG_BG256) {
1534: /*
1535: * And not a 256 colour mode? Translate to 16-colour
1536: * palette. Bold background doesn't exist portably, so just
1537: * discard the bold bit if set.
1538: */
1.158 nicm 1539: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1540: !(tty->term_flags & TERM_256COLOURS)) {
1541: gc->bg = colour_256to16(gc->bg);
1.175 nicm 1542: if (gc->bg & 8) {
1.85 nicm 1543: gc->bg &= 7;
1.175 nicm 1544: if (colours >= 16)
1545: gc->fg += 90;
1546: }
1.85 nicm 1547: gc->flags &= ~GRID_FLAG_BG256;
1548: }
1549: return;
1550: }
1551:
1552: /* Is this an aixterm colour? */
1.175 nicm 1553: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 1554: gc->bg -= 90;
1555: }
1556:
1557: void
1558: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1559: {
1.61 nicm 1560: struct grid_cell *tc = &tty->cell;
1561: u_char fg = gc->fg;
1.79 nicm 1562: char s[32];
1.1 nicm 1563:
1.61 nicm 1564: /* Is this a 256-colour colour? */
1.1 nicm 1565: if (gc->flags & GRID_FLAG_FG256) {
1.158 nicm 1566: /* Try as 256 colours. */
1.1 nicm 1567: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1568: goto save_fg;
1.85 nicm 1569: /* Else already handled by tty_check_fg. */
1570: return;
1.1 nicm 1571: }
1572:
1.79 nicm 1573: /* Is this an aixterm bright colour? */
1574: if (fg >= 90 && fg <= 97) {
1.85 nicm 1575: xsnprintf(s, sizeof s, "\033[%dm", fg);
1576: tty_puts(tty, s);
1577: goto save_fg;
1.79 nicm 1578: }
1579:
1.61 nicm 1580: /* Otherwise set the foreground colour. */
1581: tty_putcode1(tty, TTYC_SETAF, fg);
1582:
1.77 nicm 1583: save_fg:
1.61 nicm 1584: /* Save the new values in the terminal current cell. */
1585: tc->fg = fg;
1586: tc->flags &= ~GRID_FLAG_FG256;
1587: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1588: }
1589:
1590: void
1.73 nicm 1591: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1592: {
1.61 nicm 1593: struct grid_cell *tc = &tty->cell;
1594: u_char bg = gc->bg;
1.79 nicm 1595: char s[32];
1.1 nicm 1596:
1.61 nicm 1597: /* Is this a 256-colour colour? */
1.1 nicm 1598: if (gc->flags & GRID_FLAG_BG256) {
1.158 nicm 1599: /* Try as 256 colours. */
1.1 nicm 1600: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1601: goto save_bg;
1.85 nicm 1602: /* Else already handled by tty_check_bg. */
1603: return;
1.79 nicm 1604: }
1605:
1606: /* Is this an aixterm bright colour? */
1.112 nicm 1607: if (bg >= 90 && bg <= 97) {
1.175 nicm 1608: xsnprintf(s, sizeof s, "\033[%dm", bg + 10);
1609: tty_puts(tty, s);
1610: goto save_bg;
1.1 nicm 1611: }
1612:
1.61 nicm 1613: /* Otherwise set the background colour. */
1614: tty_putcode1(tty, TTYC_SETAB, bg);
1615:
1616: save_bg:
1617: /* Save the new values in the terminal current cell. */
1618: tc->bg = bg;
1619: tc->flags &= ~GRID_FLAG_BG256;
1620: tc->flags |= gc->flags & GRID_FLAG_BG256;
1621: }
1622:
1623: int
1624: tty_try_256(struct tty *tty, u_char colour, const char *type)
1625: {
1626: char s[32];
1627:
1.165 nicm 1628: /*
1629: * If the terminfo entry has 256 colours, assume that setaf and setab
1630: * work correctly.
1631: */
1632: if (tty->term->flags & TERM_256COLOURS) {
1633: if (*type == '3')
1634: tty_putcode1(tty, TTYC_SETAF, colour);
1635: else
1636: tty_putcode1(tty, TTYC_SETAB, colour);
1637: return (0);
1638: }
1639:
1640: /*
1641: * If the user has specified -2 to the client, setaf and setab may not
1642: * work, so send the usual sequence.
1643: */
1644: if (tty->term_flags & TERM_256COLOURS) {
1645: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1646: tty_puts(tty, s);
1647: return (0);
1648: }
1.61 nicm 1649:
1.165 nicm 1650: return (-1);
1.176 nicm 1651: }
1652:
1653: void
1654: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
1655: {
1656: const struct grid_cell *agc, *pgc, *wgc;
1657:
1658: if (wp == NULL)
1659: return;
1660:
1661: pgc = &wp->colgc;
1662: agc = options_get_style(&wp->window->options, "window-active-style");
1663: wgc = options_get_style(&wp->window->options, "window-style");
1664:
1665: if (gc->fg == 8 && !(gc->flags & GRID_FLAG_FG256)) {
1666: if (pgc->fg != 8 || (pgc->flags & GRID_FLAG_FG256)) {
1667: gc->fg = pgc->fg;
1668: gc->flags |= (pgc->flags & GRID_FLAG_FG256);
1669: } else if (wp == wp->window->active &&
1670: (agc->fg != 8 || (agc->flags & GRID_FLAG_FG256))) {
1671: gc->fg = agc->fg;
1672: gc->flags |= (agc->flags & GRID_FLAG_FG256);
1673: } else {
1674: gc->fg = wgc->fg;
1675: gc->flags |= (wgc->flags & GRID_FLAG_FG256);
1676: }
1677: }
1678:
1679: if (gc->bg == 8 && !(gc->flags & GRID_FLAG_BG256)) {
1680: if (pgc->bg != 8 || (pgc->flags & GRID_FLAG_BG256)) {
1681: gc->bg = pgc->bg;
1682: gc->flags |= (pgc->flags & GRID_FLAG_BG256);
1683: } else if (wp == wp->window->active &&
1684: (agc->bg != 8 || (agc->flags & GRID_FLAG_BG256))) {
1685: gc->bg = agc->bg;
1686: gc->flags |= (agc->flags & GRID_FLAG_BG256);
1687: } else {
1688: gc->bg = wgc->bg;
1689: gc->flags |= (wgc->flags & GRID_FLAG_BG256);
1690: }
1691: }
1.110 nicm 1692: }
1693:
1694: void
1695: tty_bell(struct tty *tty)
1696: {
1697: tty_putcode(tty, TTYC_BEL);
1.1 nicm 1698: }
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