Annotation of src/usr.bin/tmux/tty.c, Revision 1.153
1.153 ! nicm 1: /* $OpenBSD: tty.c,v 1.152 2013/03/22 10:31:22 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: int tty_try_88(struct tty *, u_char, const char *);
39:
1.85 nicm 40: void tty_colours(struct tty *, const struct grid_cell *);
41: void tty_check_fg(struct tty *, struct grid_cell *);
42: void tty_check_bg(struct tty *, struct grid_cell *);
43: void tty_colours_fg(struct tty *, const struct grid_cell *);
1.73 nicm 44: void tty_colours_bg(struct tty *, const struct grid_cell *);
1.1 nicm 45:
1.120 nicm 46: int tty_large_region(struct tty *, const struct tty_ctx *);
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);
1.147 nicm 51: void tty_cell(struct tty *, const struct grid_cell *);
1.1 nicm 52:
1.90 nicm 53: #define tty_use_acs(tty) \
1.131 nicm 54: (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.90 nicm 55:
1.132 nicm 56: #define tty_pane_full_width(tty, ctx) \
57: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
58:
1.1 nicm 59: void
1.136 nicm 60: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 61: {
1.30 nicm 62: char *path;
63:
64: memset(tty, 0, sizeof *tty);
1.23 nicm 65: tty->log_fd = -1;
1.22 nicm 66:
1.9 nicm 67: if (term == NULL || *term == '\0')
1.1 nicm 68: tty->termname = xstrdup("unknown");
69: else
70: tty->termname = xstrdup(term);
1.30 nicm 71: tty->fd = fd;
1.136 nicm 72: tty->client = c;
1.30 nicm 73:
74: if ((path = ttyname(fd)) == NULL)
75: fatalx("ttyname failed");
76: tty->path = xstrdup(path);
1.108 nicm 77: tty->cstyle = 0;
1.107 nicm 78: tty->ccolour = xstrdup("");
1.30 nicm 79:
1.1 nicm 80: tty->flags = 0;
81: tty->term_flags = 0;
1.31 nicm 82: }
83:
1.88 nicm 84: int
1.31 nicm 85: tty_resize(struct tty *tty)
86: {
87: struct winsize ws;
1.88 nicm 88: u_int sx, sy;
1.31 nicm 89:
90: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 91: sx = ws.ws_col;
92: if (sx == 0)
93: sx = 80;
94: sy = ws.ws_row;
95: if (sy == 0)
96: sy = 24;
97: } else {
98: sx = 80;
99: sy = 24;
1.31 nicm 100: }
1.114 nicm 101: if (!tty_set_size(tty, sx, sy))
1.88 nicm 102: return (0);
1.31 nicm 103:
104: tty->cx = UINT_MAX;
105: tty->cy = UINT_MAX;
106:
107: tty->rupper = UINT_MAX;
108: tty->rlower = UINT_MAX;
1.88 nicm 109:
110: /*
111: * If the terminal has been started, reset the actual scroll region and
112: * cursor position, as this may not have happened.
113: */
114: if (tty->flags & TTY_STARTED) {
115: tty_cursor(tty, 0, 0);
116: tty_region(tty, 0, tty->sy - 1);
117: }
118:
1.114 nicm 119: return (1);
120: }
121:
122: int
123: tty_set_size(struct tty *tty, u_int sx, u_int sy) {
124: if (sx == tty->sx && sy == tty->sy)
125: return (0);
126: tty->sx = sx;
127: tty->sy = sy;
1.88 nicm 128: return (1);
1.1 nicm 129: }
130:
131: int
1.17 nicm 132: tty_open(struct tty *tty, const char *overrides, char **cause)
1.1 nicm 133: {
1.88 nicm 134: char out[64];
1.30 nicm 135: int fd;
1.1 nicm 136:
1.30 nicm 137: if (debug_level > 3) {
1.88 nicm 138: xsnprintf(out, sizeof out, "tmux-out-%ld.log", (long) getpid());
139: fd = open(out, O_WRONLY|O_CREAT|O_TRUNC, 0644);
1.30 nicm 140: if (fd != -1 && fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
141: fatal("fcntl failed");
142: tty->log_fd = fd;
1.1 nicm 143: }
144:
1.17 nicm 145: tty->term = tty_term_find(tty->termname, tty->fd, overrides, cause);
1.21 nicm 146: if (tty->term == NULL) {
147: tty_close(tty);
148: return (-1);
149: }
150: tty->flags |= TTY_OPENED;
1.1 nicm 151:
1.149 nicm 152: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_TIMER);
1.1 nicm 153:
1.66 nicm 154: tty->event = bufferevent_new(
1.67 nicm 155: tty->fd, tty_read_callback, NULL, tty_error_callback, tty);
1.1 nicm 156:
157: tty_start_tty(tty);
158:
1.148 nicm 159: tty_keys_build(tty);
1.1 nicm 160:
161: return (0);
162: }
163:
164: void
1.67 nicm 165: tty_read_callback(unused struct bufferevent *bufev, void *data)
166: {
167: struct tty *tty = data;
168:
169: while (tty_keys_next(tty))
170: ;
171: }
172:
173: void
1.66 nicm 174: tty_error_callback(
175: unused struct bufferevent *bufev, unused short what, unused void *data)
176: {
177: }
178:
179: void
1.127 nicm 180: tty_init_termios(int fd, struct termios *orig_tio, struct bufferevent *bufev)
1.1 nicm 181: {
1.128 nicm 182: struct termios tio;
1.33 nicm 183:
1.127 nicm 184: if (fd == -1 || tcgetattr(fd, orig_tio) != 0)
1.33 nicm 185: return;
1.1 nicm 186:
1.127 nicm 187: setblocking(fd, 0);
1.34 nicm 188:
1.127 nicm 189: if (bufev != NULL)
190: bufferevent_enable(bufev, EV_READ|EV_WRITE);
1.66 nicm 191:
1.127 nicm 192: memcpy(&tio, orig_tio, sizeof tio);
1.1 nicm 193: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
194: tio.c_iflag |= IGNBRK;
195: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
196: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
197: ECHOPRT|ECHOKE|ECHOCTL|ISIG);
198: tio.c_cc[VMIN] = 1;
1.60 deraadt 199: tio.c_cc[VTIME] = 0;
1.127 nicm 200: if (tcsetattr(fd, TCSANOW, &tio) == 0)
201: tcflush(fd, TCIOFLUSH);
202: }
203:
204: void
205: tty_start_tty(struct tty *tty)
206: {
207: tty_init_termios(tty->fd, &tty->tio, tty->event);
1.1 nicm 208:
1.10 nicm 209: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 210:
1.25 nicm 211: tty_putcode(tty, TTYC_SGR0);
212: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
213:
1.76 nicm 214: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 215: if (tty_use_acs(tty))
216: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 217: tty_putcode(tty, TTYC_CLEAR);
218:
219: tty_putcode(tty, TTYC_CNORM);
220: if (tty_term_has(tty->term, TTYC_KMOUS))
1.153 ! nicm 221: tty_puts(tty, "\033[?1000l\033[?1006l\033[?1005l");
1.121 nicm 222:
223: if (tty_term_has(tty->term, TTYC_XT))
1.151 nicm 224: tty_puts(tty, "\033[c\033[>4;1m");
1.1 nicm 225:
226: tty->cx = UINT_MAX;
227: tty->cy = UINT_MAX;
228:
229: tty->rlower = UINT_MAX;
230: tty->rupper = UINT_MAX;
231:
232: tty->mode = MODE_CURSOR;
1.20 nicm 233:
234: tty->flags |= TTY_STARTED;
1.107 nicm 235:
236: tty_force_cursor_colour(tty, "");
1.145 nicm 237: }
238:
239: void
240: tty_set_class(struct tty *tty, u_int class)
241: {
242: if (tty->class != 0)
243: return;
244: tty->class = class;
1.128 nicm 245: }
246:
247: void
1.1 nicm 248: tty_stop_tty(struct tty *tty)
249: {
250: struct winsize ws;
251:
1.20 nicm 252: if (!(tty->flags & TTY_STARTED))
253: return;
254: tty->flags &= ~TTY_STARTED;
255:
1.66 nicm 256: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
257:
1.1 nicm 258: /*
259: * Be flexible about error handling and try not kill the server just
260: * because the fd is invalid. Things like ssh -t can easily leave us
261: * with a dead tty.
262: */
263: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
264: return;
265: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
266: return;
267:
268: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 269: if (tty_use_acs(tty))
270: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 271: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
272: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
273: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.108 nicm 274: if (tty_term_has(tty->term, TTYC_CS1) && tty->cstyle != 0) {
275: if (tty_term_has(tty->term, TTYC_CSR1))
276: tty_raw(tty, tty_term_string(tty->term, TTYC_CSR1));
1.109 nicm 277: else
1.108 nicm 278: tty_raw(tty, tty_term_string1(tty->term, TTYC_CS1, 0));
279: }
1.107 nicm 280: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 281:
282: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
283: if (tty_term_has(tty->term, TTYC_KMOUS))
1.153 ! nicm 284: tty_raw(tty, "\033[?1000l\033[?1006l\033[?1005l");
1.151 nicm 285:
286: if (tty_term_has(tty->term, TTYC_XT))
287: tty_puts(tty, "\033[>4m");
1.10 nicm 288:
289: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 290:
291: setblocking(tty->fd, 1);
1.1 nicm 292: }
293:
294: void
1.20 nicm 295: tty_close(struct tty *tty)
1.1 nicm 296: {
297: if (tty->log_fd != -1) {
298: close(tty->log_fd);
299: tty->log_fd = -1;
300: }
301:
1.123 nicm 302: if (event_initialized(&tty->key_timer))
303: evtimer_del(&tty->key_timer);
1.20 nicm 304: tty_stop_tty(tty);
1.1 nicm 305:
1.21 nicm 306: if (tty->flags & TTY_OPENED) {
1.66 nicm 307: bufferevent_free(tty->event);
308:
1.21 nicm 309: tty_term_free(tty->term);
310: tty_keys_free(tty);
311:
312: tty->flags &= ~TTY_OPENED;
313: }
1.1 nicm 314:
1.21 nicm 315: if (tty->fd != -1) {
316: close(tty->fd);
317: tty->fd = -1;
318: }
1.1 nicm 319: }
320:
321: void
1.20 nicm 322: tty_free(struct tty *tty)
1.1 nicm 323: {
1.20 nicm 324: tty_close(tty);
1.1 nicm 325:
1.138 nicm 326: free(tty->ccolour);
1.1 nicm 327: if (tty->path != NULL)
1.138 nicm 328: free(tty->path);
1.1 nicm 329: if (tty->termname != NULL)
1.138 nicm 330: free(tty->termname);
1.1 nicm 331: }
332:
333: void
334: tty_raw(struct tty *tty, const char *s)
335: {
1.150 nicm 336: ssize_t n, slen;
337: u_int i;
338:
339: slen = strlen(s);
340: for (i = 0; i < 5; i++) {
341: n = write(tty->fd, s, slen);
342: if (n >= 0) {
343: s += n;
344: slen -= n;
345: if (slen == 0)
346: break;
347: } else if (n == -1 && errno != EAGAIN)
348: break;
349: usleep(100);
350: }
1.1 nicm 351: }
352:
353: void
354: tty_putcode(struct tty *tty, enum tty_code_code code)
355: {
356: tty_puts(tty, tty_term_string(tty->term, code));
357: }
358:
359: void
360: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
361: {
362: if (a < 0)
363: return;
364: tty_puts(tty, tty_term_string1(tty->term, code, a));
365: }
366:
367: void
368: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
369: {
370: if (a < 0 || b < 0)
371: return;
372: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
373: }
374:
375: void
1.107 nicm 376: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
377: {
378: if (a != NULL)
379: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
380: }
381:
382: void
1.106 nicm 383: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a, const void *b)
384: {
385: if (a != NULL && b != NULL)
386: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
387: }
388:
389: void
1.1 nicm 390: tty_puts(struct tty *tty, const char *s)
391: {
392: if (*s == '\0')
393: return;
1.66 nicm 394: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 395:
396: if (tty->log_fd != -1)
397: write(tty->log_fd, s, strlen(s));
398: }
399:
400: void
401: tty_putc(struct tty *tty, u_char ch)
402: {
1.90 nicm 403: const char *acs;
404: u_int sx;
1.1 nicm 405:
1.90 nicm 406: if (tty->cell.attr & GRID_ATTR_CHARSET) {
407: acs = tty_acs_get(tty, ch);
408: if (acs != NULL)
409: bufferevent_write(tty->event, acs, strlen(acs));
410: else
411: bufferevent_write(tty->event, &ch, 1);
412: } else
413: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 414:
415: if (ch >= 0x20 && ch != 0x7f) {
416: sx = tty->sx;
417: if (tty->term->flags & TERM_EARLYWRAP)
418: sx--;
419:
1.46 nicm 420: if (tty->cx >= sx) {
421: tty->cx = 1;
422: if (tty->cy != tty->rlower)
423: tty->cy++;
1.1 nicm 424: } else
425: tty->cx++;
426: }
427:
428: if (tty->log_fd != -1)
429: write(tty->log_fd, &ch, 1);
430: }
431:
432: void
1.147 nicm 433: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 434: {
1.147 nicm 435: bufferevent_write(tty->event, buf, len);
1.71 nicm 436: if (tty->log_fd != -1)
1.147 nicm 437: write(tty->log_fd, buf, len);
438: tty->cx += width;
1.5 nicm 439: }
440:
441: void
1.1 nicm 442: tty_set_title(struct tty *tty, const char *title)
443: {
1.105 nicm 444: if (!tty_term_has(tty->term, TTYC_TSL) ||
445: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 446: return;
447:
1.105 nicm 448: tty_putcode(tty, TTYC_TSL);
1.1 nicm 449: tty_puts(tty, title);
1.105 nicm 450: tty_putcode(tty, TTYC_FSL);
1.1 nicm 451: }
452:
453: void
1.107 nicm 454: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
455: {
456: if (*ccolour == '\0')
457: tty_putcode(tty, TTYC_CR);
458: else
459: tty_putcode_ptr1(tty, TTYC_CC, ccolour);
1.138 nicm 460: free(tty->ccolour);
1.107 nicm 461: tty->ccolour = xstrdup(ccolour);
462: }
463:
464: void
465: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 466: {
467: int changed;
468:
1.107 nicm 469: if (strcmp(s->ccolour, tty->ccolour))
470: tty_force_cursor_colour(tty, s->ccolour);
471:
1.1 nicm 472: if (tty->flags & TTY_NOCURSOR)
473: mode &= ~MODE_CURSOR;
474:
475: changed = mode ^ tty->mode;
476: if (changed & MODE_CURSOR) {
477: if (mode & MODE_CURSOR)
478: tty_putcode(tty, TTYC_CNORM);
479: else
480: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 481: }
482: if (tty->cstyle != s->cstyle) {
483: if (tty_term_has(tty->term, TTYC_CS1)) {
484: if (s->cstyle == 0 &&
485: tty_term_has(tty->term, TTYC_CSR1))
486: tty_putcode(tty, TTYC_CSR1);
487: else
488: tty_putcode1(tty, TTYC_CS1, s->cstyle);
489: }
490: tty->cstyle = s->cstyle;
1.1 nicm 491: }
1.94 nicm 492: if (changed & ALL_MOUSE_MODES) {
493: if (mode & ALL_MOUSE_MODES) {
1.153 ! nicm 494: /*
! 495: * Enable the UTF-8 (1005) extension if configured to.
! 496: * Enable the SGR (1006) extension unconditionally, as
! 497: * this is safe from misinterpretation. Do it in this
! 498: * order, because in some terminals it's the last one
! 499: * that takes effect and SGR is the preferred one.
! 500: */
1.95 nicm 501: if (mode & MODE_MOUSE_UTF8)
502: tty_puts(tty, "\033[?1005h");
1.153 ! nicm 503: tty_puts(tty, "\033[?1006h");
! 504:
1.98 nicm 505: if (mode & MODE_MOUSE_ANY)
506: tty_puts(tty, "\033[?1003h");
1.94 nicm 507: else if (mode & MODE_MOUSE_BUTTON)
508: tty_puts(tty, "\033[?1002h");
1.98 nicm 509: else if (mode & MODE_MOUSE_STANDARD)
510: tty_puts(tty, "\033[?1000h");
1.86 nicm 511: } else {
1.98 nicm 512: if (tty->mode & MODE_MOUSE_ANY)
513: tty_puts(tty, "\033[?1003l");
1.94 nicm 514: else if (tty->mode & MODE_MOUSE_BUTTON)
515: tty_puts(tty, "\033[?1002l");
1.98 nicm 516: else if (tty->mode & MODE_MOUSE_STANDARD)
517: tty_puts(tty, "\033[?1000l");
1.153 ! nicm 518:
! 519: tty_puts(tty, "\033[?1006l");
1.95 nicm 520: if (tty->mode & MODE_MOUSE_UTF8)
521: tty_puts(tty, "\033[?1005l");
1.86 nicm 522: }
1.76 nicm 523: }
524: if (changed & MODE_KKEYPAD) {
525: if (mode & MODE_KKEYPAD)
526: tty_putcode(tty, TTYC_SMKX);
527: else
528: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 529: }
530: if (changed & MODE_BRACKETPASTE) {
531: if (mode & MODE_BRACKETPASTE)
532: tty_puts(tty, "\033[?2004h");
533: else
534: tty_puts(tty, "\033[?2004l");
1.1 nicm 535: }
536: tty->mode = mode;
537: }
538:
539: void
540: tty_emulate_repeat(
541: struct tty *tty, enum tty_code_code code, enum tty_code_code code1, u_int n)
542: {
543: if (tty_term_has(tty->term, code))
544: tty_putcode1(tty, code, n);
545: else {
546: while (n-- > 0)
547: tty_putcode(tty, code1);
548: }
549: }
550:
1.133 nicm 551: void
552: tty_repeat_space(struct tty *tty, u_int n)
553: {
554: while (n-- > 0)
555: tty_putc(tty, ' ');
556: }
557:
1.1 nicm 558: /*
1.119 nicm 559: * Is the region large enough to be worth redrawing once later rather than
560: * probably several times now? Currently yes if it is more than 50% of the
561: * pane.
562: */
563: int
564: tty_large_region(unused struct tty *tty, const struct tty_ctx *ctx)
565: {
566: struct window_pane *wp = ctx->wp;
567:
568: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
569: }
570:
571: /*
1.1 nicm 572: * Redraw scroll region using data from screen (already updated). Used when
573: * CSR not supported, or window is a pane that doesn't take up the full
574: * width of the terminal.
575: */
576: void
1.24 nicm 577: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 578: {
1.14 nicm 579: struct window_pane *wp = ctx->wp;
580: struct screen *s = wp->screen;
581: u_int i;
1.1 nicm 582:
583: /*
1.119 nicm 584: * If region is large, schedule a window redraw. In most cases this is
585: * likely to be followed by some more scrolling.
1.1 nicm 586: */
1.119 nicm 587: if (tty_large_region(tty, ctx)) {
1.1 nicm 588: wp->flags |= PANE_REDRAW;
589: return;
590: }
591:
1.14 nicm 592: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
593: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.113 nicm 594: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 595: } else {
1.14 nicm 596: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.113 nicm 597: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 598: }
599: }
600:
601: void
602: tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
603: {
604: const struct grid_cell *gc;
1.46 nicm 605: struct grid_line *gl;
1.16 nicm 606: struct grid_cell tmpgc;
1.147 nicm 607: struct utf8_data ud;
1.1 nicm 608: u_int i, sx;
609:
1.107 nicm 610: tty_update_mode(tty, tty->mode & ~MODE_CURSOR, s);
1.35 nicm 611:
1.1 nicm 612: sx = screen_size_x(s);
1.19 nicm 613: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
614: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 615: if (sx > tty->sx)
616: sx = tty->sx;
617:
1.46 nicm 618: /*
619: * Don't move the cursor to the start permission if it will wrap there
1.50 nicm 620: * itself.
1.46 nicm 621: */
622: gl = NULL;
623: if (py != 0)
624: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 625: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 626: tty->cx < tty->sx || ox != 0 ||
627: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 628: tty_cursor(tty, ox, oy + py);
629:
1.1 nicm 630: for (i = 0; i < sx; i++) {
631: gc = grid_view_peek_cell(s->grid, i, py);
632: if (screen_check_selection(s, i, py)) {
1.16 nicm 633: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
1.147 nicm 634: grid_cell_get(gc, &ud);
635: grid_cell_set(&tmpgc, &ud);
1.77 nicm 636: tmpgc.flags = gc->flags &
1.38 nicm 637: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
638: tmpgc.flags |= s->sel.cell.flags &
639: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.147 nicm 640: tty_cell(tty, &tmpgc);
1.1 nicm 641: } else
1.147 nicm 642: tty_cell(tty, gc);
1.1 nicm 643: }
644:
1.35 nicm 645: if (sx >= tty->sx) {
1.107 nicm 646: tty_update_mode(tty, tty->mode, s);
1.1 nicm 647: return;
1.35 nicm 648: }
1.1 nicm 649: tty_reset(tty);
650:
1.41 nicm 651: tty_cursor(tty, ox + sx, oy + py);
1.126 nicm 652: if (sx != screen_size_x(s) && ox + screen_size_x(s) >= tty->sx &&
1.117 nicm 653: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 654: tty_putcode(tty, TTYC_EL);
1.133 nicm 655: else
656: tty_repeat_space(tty, screen_size_x(s) - sx);
1.107 nicm 657: tty_update_mode(tty, tty->mode, s);
1.15 nicm 658: }
659:
660: void
1.113 nicm 661: tty_write(
662: void (*cmdfn)(struct tty *, const struct tty_ctx *), struct tty_ctx *ctx)
1.15 nicm 663: {
664: struct window_pane *wp = ctx->wp;
665: struct client *c;
666: u_int i;
667:
1.75 nicm 668: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 669: if (wp == NULL)
670: return;
671:
672: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
673: return;
1.129 nicm 674: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 675: return;
676:
677: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
678: c = ARRAY_ITEM(&clients, i);
1.139 nicm 679: if (c == NULL || c->session == NULL || c->tty.term == NULL)
1.15 nicm 680: continue;
1.142 nicm 681: if (c->flags & CLIENT_SUSPENDED)
682: continue;
683: if (c->tty.flags & TTY_FREEZE)
1.139 nicm 684: continue;
685: if (c->session->curw->window != wp->window)
1.15 nicm 686: continue;
687:
1.139 nicm 688: ctx->xoff = wp->xoff;
689: ctx->yoff = wp->yoff;
690: if (status_at_line(c) == 0)
691: ctx->yoff++;
1.113 nicm 692:
1.139 nicm 693: cmdfn(&c->tty, ctx);
1.1 nicm 694: }
695: }
696:
697: void
1.24 nicm 698: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 699: {
1.77 nicm 700: struct window_pane *wp = ctx->wp;
1.1 nicm 701:
1.135 nicm 702: if (!tty_pane_full_width(tty, ctx)) {
1.113 nicm 703: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 704: return;
705: }
706:
707: tty_reset(tty);
708:
1.77 nicm 709: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 710:
1.1 nicm 711: if (tty_term_has(tty->term, TTYC_ICH) ||
712: tty_term_has(tty->term, TTYC_ICH1))
1.12 nicm 713: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.134 nicm 714: else
1.113 nicm 715: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 716: }
717:
718: void
1.24 nicm 719: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 720: {
1.77 nicm 721: struct window_pane *wp = ctx->wp;
1.1 nicm 722:
1.135 nicm 723: if (!tty_pane_full_width(tty, ctx) ||
1.26 nicm 724: (!tty_term_has(tty->term, TTYC_DCH) &&
725: !tty_term_has(tty->term, TTYC_DCH1))) {
1.113 nicm 726: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 727: return;
728: }
729:
730: tty_reset(tty);
731:
1.77 nicm 732: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 733:
1.26 nicm 734: if (tty_term_has(tty->term, TTYC_DCH) ||
735: tty_term_has(tty->term, TTYC_DCH1))
736: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 737: }
738:
739: void
740: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
741: {
742: u_int i;
743:
744: tty_reset(tty);
745:
746: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
747:
748: if (tty_term_has(tty->term, TTYC_ECH))
749: tty_putcode1(tty, TTYC_ECH, ctx->num);
750: else {
751: for (i = 0; i < ctx->num; i++)
752: tty_putc(tty, ' ');
753: }
1.1 nicm 754: }
755:
756: void
1.24 nicm 757: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 758: {
1.132 nicm 759: if (!tty_pane_full_width(tty, ctx) ||
1.77 nicm 760: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 761: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 762: tty_redraw_region(tty, ctx);
1.1 nicm 763: return;
764: }
765:
766: tty_reset(tty);
767:
1.77 nicm 768: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
769: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 770:
1.12 nicm 771: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 772: }
773:
774: void
1.24 nicm 775: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 776: {
1.132 nicm 777: if (!tty_pane_full_width(tty, ctx) ||
1.72 nicm 778: !tty_term_has(tty->term, TTYC_CSR) ||
779: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 780: tty_redraw_region(tty, ctx);
1.1 nicm 781: return;
782: }
783:
784: tty_reset(tty);
785:
1.77 nicm 786: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
787: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 788:
1.12 nicm 789: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 790: }
791:
792: void
1.24 nicm 793: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 794: {
1.77 nicm 795: struct window_pane *wp = ctx->wp;
1.12 nicm 796: struct screen *s = wp->screen;
1.1 nicm 797:
798: tty_reset(tty);
799:
1.77 nicm 800: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 801:
1.133 nicm 802: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL))
1.1 nicm 803: tty_putcode(tty, TTYC_EL);
1.133 nicm 804: else
805: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 806: }
807:
808: void
1.24 nicm 809: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 810: {
1.77 nicm 811: struct window_pane *wp = ctx->wp;
1.12 nicm 812: struct screen *s = wp->screen;
1.1 nicm 813:
814: tty_reset(tty);
815:
1.41 nicm 816: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
817:
1.132 nicm 818: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL))
1.1 nicm 819: tty_putcode(tty, TTYC_EL);
1.133 nicm 820: else
821: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.1 nicm 822: }
823:
824: void
1.24 nicm 825: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 826: {
827: tty_reset(tty);
828:
1.113 nicm 829: if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1.41 nicm 830: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 831: tty_putcode(tty, TTYC_EL1);
832: } else {
1.41 nicm 833: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 834: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 835: }
836: }
837:
838: void
1.24 nicm 839: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 840: {
1.56 nicm 841: if (ctx->ocy != ctx->orupper)
842: return;
843:
1.132 nicm 844: if (!tty_pane_full_width(tty, ctx) ||
1.70 nicm 845: !tty_term_has(tty->term, TTYC_CSR) ||
846: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 847: tty_redraw_region(tty, ctx);
1.1 nicm 848: return;
849: }
850:
1.56 nicm 851: tty_reset(tty);
1.77 nicm 852:
1.56 nicm 853: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
854: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 855:
1.56 nicm 856: tty_putcode(tty, TTYC_RI);
1.1 nicm 857: }
858:
859: void
1.24 nicm 860: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 861: {
1.77 nicm 862: struct window_pane *wp = ctx->wp;
1.1 nicm 863:
1.56 nicm 864: if (ctx->ocy != ctx->orlower)
865: return;
866:
1.132 nicm 867: if (!tty_pane_full_width(tty, ctx) ||
1.1 nicm 868: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 869: if (tty_large_region(tty, ctx))
870: wp->flags |= PANE_REDRAW;
1.140 nicm 871: else
1.128 nicm 872: tty_redraw_region(tty, ctx);
1.1 nicm 873: return;
874: }
1.52 nicm 875:
876: /*
877: * If this line wrapped naturally (ctx->num is nonzero), don't do
878: * anything - the cursor can just be moved to the last cell and wrap
879: * naturally.
880: */
881: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
882: return;
1.1 nicm 883:
1.56 nicm 884: tty_reset(tty);
1.77 nicm 885:
1.56 nicm 886: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
887: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 888:
1.56 nicm 889: tty_putc(tty, '\n');
1.1 nicm 890: }
891:
892: void
1.24 nicm 893: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 894: {
1.77 nicm 895: struct window_pane *wp = ctx->wp;
1.12 nicm 896: struct screen *s = wp->screen;
897: u_int i, j;
1.1 nicm 898:
899: tty_reset(tty);
900:
1.39 nicm 901: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 902: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 903:
1.132 nicm 904: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.1 nicm 905: tty_putcode(tty, TTYC_EL);
1.14 nicm 906: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 907: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 908: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 909: tty_putcode(tty, TTYC_EL);
910: if (i == screen_size_y(s) - 1)
911: continue;
912: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
913: tty->cy++;
914: }
915: }
916: } else {
1.133 nicm 917: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.68 nicm 918: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 919: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 920: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 921: }
922: }
923: }
924:
925: void
1.24 nicm 926: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 927: {
1.77 nicm 928: struct window_pane *wp = ctx->wp;
1.12 nicm 929: struct screen *s = wp->screen;
930: u_int i, j;
1.1 nicm 931:
932: tty_reset(tty);
933:
1.39 nicm 934: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 935: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 936:
1.132 nicm 937: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.14 nicm 938: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 939: tty_putcode(tty, TTYC_EL);
940: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
941: tty->cy++;
942: }
943: } else {
1.14 nicm 944: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 945: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 946: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 947: }
948: }
1.133 nicm 949: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 950: }
951:
952: void
1.24 nicm 953: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 954: {
1.77 nicm 955: struct window_pane *wp = ctx->wp;
1.12 nicm 956: struct screen *s = wp->screen;
957: u_int i, j;
1.1 nicm 958:
959: tty_reset(tty);
960:
1.39 nicm 961: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 962: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 963:
1.132 nicm 964: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.1 nicm 965: for (i = 0; i < screen_size_y(s); i++) {
966: tty_putcode(tty, TTYC_EL);
967: if (i != screen_size_y(s) - 1) {
968: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
969: tty->cy++;
970: }
971: }
972: } else {
973: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 974: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 975: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 976: }
1.4 nicm 977: }
978: }
979:
980: void
1.24 nicm 981: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 982: {
1.12 nicm 983: struct window_pane *wp = ctx->wp;
984: struct screen *s = wp->screen;
985: u_int i, j;
1.4 nicm 986:
987: tty_reset(tty);
988:
1.39 nicm 989: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 990:
991: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 992: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 993: for (i = 0; i < screen_size_x(s); i++)
994: tty_putc(tty, 'E');
1.1 nicm 995: }
996: }
997:
998: void
1.24 nicm 999: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1000: {
1.46 nicm 1001: struct window_pane *wp = ctx->wp;
1002: struct screen *s = wp->screen;
1.58 nicm 1003: u_int cx;
1.102 nicm 1004: u_int width;
1.46 nicm 1005:
1006: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1007:
1.57 nicm 1008: /* Is the cursor in the very last position? */
1.147 nicm 1009: width = grid_cell_width(ctx->cell);
1.102 nicm 1010: if (ctx->ocx > wp->sx - width) {
1.113 nicm 1011: if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57 nicm 1012: /*
1013: * The pane doesn't fill the entire line, the linefeed
1014: * will already have happened, so just move the cursor.
1015: */
1.125 nicm 1016: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 1017: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1018: else
1019: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.57 nicm 1020: } else if (tty->cx < tty->sx) {
1021: /*
1022: * The cursor isn't in the last position already, so
1.102 nicm 1023: * move as far left as possible and redraw the last
1.57 nicm 1024: * cell to move into the last position.
1025: */
1.147 nicm 1026: cx = screen_size_x(s) - grid_cell_width(&ctx->last_cell);
1.50 nicm 1027: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1.147 nicm 1028: tty_cell(tty, &ctx->last_cell);
1.50 nicm 1029: }
1030: } else
1.46 nicm 1031: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1032:
1.147 nicm 1033: tty_cell(tty, ctx->cell);
1.1 nicm 1034: }
1035:
1036: void
1.24 nicm 1037: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1038: {
1.53 nicm 1039: struct window_pane *wp = ctx->wp;
1.1 nicm 1040:
1.53 nicm 1041: /*
1042: * Cannot rely on not being a partial character, so just redraw the
1043: * whole line.
1044: */
1.113 nicm 1045: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1046: }
1047:
1048: void
1049: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1050: {
1051: char *buf;
1052: size_t off;
1053:
1054: if (!tty_term_has(tty->term, TTYC_MS))
1055: return;
1056:
1057: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1058: buf = xmalloc(off);
1059:
1060: b64_ntop(ctx->ptr, ctx->num, buf, off);
1061: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1062:
1.138 nicm 1063: free(buf);
1.100 nicm 1064: }
1065:
1066: void
1067: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1068: {
1069: u_int i;
1070: u_char *str = ctx->ptr;
1071:
1072: for (i = 0; i < ctx->num; i++)
1073: tty_putc(tty, str[i]);
1.141 nicm 1074:
1075: tty->cx = tty->cy = UINT_MAX;
1076: tty->rupper = tty->rlower = UINT_MAX;
1077:
1078: tty_reset(tty);
1079: tty_cursor(tty, 0, 0);
1.1 nicm 1080: }
1081:
1082: void
1.147 nicm 1083: tty_cell(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1084: {
1.147 nicm 1085: struct utf8_data ud;
1086: u_int i;
1.1 nicm 1087:
1088: /* Skip last character if terminal is stupid. */
1089: if (tty->term->flags & TERM_EARLYWRAP &&
1090: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
1091: return;
1092:
1093: /* If this is a padding character, do nothing. */
1094: if (gc->flags & GRID_FLAG_PADDING)
1095: return;
1096:
1097: /* Set the attributes. */
1098: tty_attributes(tty, gc);
1099:
1.147 nicm 1100: /* Get the cell and if ASCII write with putc to do ACS translation. */
1101: grid_cell_get(gc, &ud);
1102: if (ud.size == 1) {
1103: if (*ud.data < 0x20 || *ud.data == 0x7f)
1.1 nicm 1104: return;
1.147 nicm 1105: tty_putc(tty, *ud.data);
1.1 nicm 1106: return;
1107: }
1108:
1.147 nicm 1109: /* If not UTF-8, write _. */
1.1 nicm 1110: if (!(tty->flags & TTY_UTF8)) {
1.147 nicm 1111: for (i = 0; i < ud.width; i++)
1.1 nicm 1112: tty_putc(tty, '_');
1113: return;
1114: }
1115:
1.147 nicm 1116: /* Write the data. */
1117: tty_putn(tty, ud.data, ud.size, ud.width);
1.1 nicm 1118: }
1119:
1120: void
1121: tty_reset(struct tty *tty)
1122: {
1123: struct grid_cell *gc = &tty->cell;
1124:
1125: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
1126: return;
1127:
1.90 nicm 1128: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1129: tty_putcode(tty, TTYC_RMACS);
1130: tty_putcode(tty, TTYC_SGR0);
1131: memcpy(gc, &grid_default_cell, sizeof *gc);
1132: }
1133:
1.40 nicm 1134: /* Set region inside pane. */
1.1 nicm 1135: void
1.39 nicm 1136: tty_region_pane(
1137: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 1138: {
1.113 nicm 1139: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1140: }
1141:
1.40 nicm 1142: /* Set region at absolute position. */
1.39 nicm 1143: void
1.40 nicm 1144: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1145: {
1146: if (tty->rlower == rlower && tty->rupper == rupper)
1147: return;
1.1 nicm 1148: if (!tty_term_has(tty->term, TTYC_CSR))
1149: return;
1.39 nicm 1150:
1151: tty->rupper = rupper;
1152: tty->rlower = rlower;
1.55 nicm 1153:
1154: /*
1155: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1156: * 0,0 if it is beyond the last column (they do not reset their wrap
1157: * flag so further output causes a line feed). As a workaround, do an
1158: * explicit move to 0 first.
1159: */
1160: if (tty->cx >= tty->sx)
1161: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1162:
1.39 nicm 1163: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1164: tty_cursor(tty, 0, 0);
1.1 nicm 1165: }
1166:
1.42 nicm 1167: /* Move cursor inside pane. */
1.1 nicm 1168: void
1.41 nicm 1169: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1170: {
1.113 nicm 1171: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1172: }
1173:
1.42 nicm 1174: /* Move cursor to absolute position. */
1.41 nicm 1175: void
1176: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1177: {
1.42 nicm 1178: struct tty_term *term = tty->term;
1179: u_int thisx, thisy;
1180: int change;
1.77 nicm 1181:
1.42 nicm 1182: if (cx > tty->sx - 1)
1183: cx = tty->sx - 1;
1184:
1185: thisx = tty->cx;
1186: thisy = tty->cy;
1187:
1188: /* No change. */
1189: if (cx == thisx && cy == thisy)
1190: return;
1191:
1.43 nicm 1192: /* Very end of the line, just use absolute movement. */
1193: if (thisx > tty->sx - 1)
1194: goto absolute;
1195:
1.42 nicm 1196: /* Move to home position (0, 0). */
1197: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1198: tty_putcode(tty, TTYC_HOME);
1199: goto out;
1200: }
1201:
1202: /* Zero on the next line. */
1.48 nicm 1203: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1204: tty_putc(tty, '\r');
1.42 nicm 1205: tty_putc(tty, '\n');
1206: goto out;
1207: }
1208:
1.45 nicm 1209: /* Moving column or row. */
1.42 nicm 1210: if (cy == thisy) {
1.45 nicm 1211: /*
1212: * Moving column only, row staying the same.
1213: */
1214:
1.42 nicm 1215: /* To left edge. */
1216: if (cx == 0) {
1217: tty_putc(tty, '\r');
1218: goto out;
1219: }
1220:
1221: /* One to the left. */
1222: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1223: tty_putcode(tty, TTYC_CUB1);
1224: goto out;
1225: }
1226:
1227: /* One to the right. */
1228: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1229: tty_putcode(tty, TTYC_CUF1);
1230: goto out;
1231: }
1232:
1233: /* Calculate difference. */
1234: change = thisx - cx; /* +ve left, -ve right */
1235:
1236: /*
1237: * Use HPA if change is larger than absolute, otherwise move
1238: * the cursor with CUB/CUF.
1239: */
1.87 nicm 1240: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1241: tty_putcode1(tty, TTYC_HPA, cx);
1242: goto out;
1243: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1244: tty_putcode1(tty, TTYC_CUB, change);
1245: goto out;
1246: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1247: tty_putcode1(tty, TTYC_CUF, -change);
1248: goto out;
1249: }
1.45 nicm 1250: } else if (cx == thisx) {
1251: /*
1252: * Moving row only, column staying the same.
1253: */
1.42 nicm 1254:
1255: /* One above. */
1.77 nicm 1256: if (thisy != tty->rupper &&
1.42 nicm 1257: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1258: tty_putcode(tty, TTYC_CUU1);
1259: goto out;
1260: }
1261:
1262: /* One below. */
1.49 nicm 1263: if (thisy != tty->rlower &&
1.42 nicm 1264: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1265: tty_putcode(tty, TTYC_CUD1);
1266: goto out;
1267: }
1268:
1269: /* Calculate difference. */
1270: change = thisy - cy; /* +ve up, -ve down */
1271:
1272: /*
1.77 nicm 1273: * Try to use VPA if change is larger than absolute or if this
1274: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1275: */
1.87 nicm 1276: if ((u_int) abs(change) > cy ||
1.42 nicm 1277: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1278: (change > 0 && cy - change < tty->rupper)) {
1279: if (tty_term_has(term, TTYC_VPA)) {
1280: tty_putcode1(tty, TTYC_VPA, cy);
1281: goto out;
1282: }
1.42 nicm 1283: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1284: tty_putcode1(tty, TTYC_CUU, change);
1285: goto out;
1286: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1287: tty_putcode1(tty, TTYC_CUD, -change);
1288: goto out;
1289: }
1290: }
1291:
1.43 nicm 1292: absolute:
1.42 nicm 1293: /* Absolute movement. */
1294: tty_putcode2(tty, TTYC_CUP, cy, cx);
1295:
1296: out:
1297: tty->cx = cx;
1298: tty->cy = cy;
1.1 nicm 1299: }
1300:
1301: void
1302: tty_attributes(struct tty *tty, const struct grid_cell *gc)
1303: {
1.63 nicm 1304: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1305: u_char changed;
1.61 nicm 1306:
1.85 nicm 1307: memcpy(&gc2, gc, sizeof gc2);
1.63 nicm 1308:
1.18 nicm 1309: /*
1310: * If no setab, try to use the reverse attribute as a best-effort for a
1311: * non-default background. This is a bit of a hack but it doesn't do
1312: * any serious harm and makes a couple of applications happier.
1313: */
1314: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1315: if (gc2.attr & GRID_ATTR_REVERSE) {
1316: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1317: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1318: } else {
1.85 nicm 1319: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1320: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1321: }
1322: }
1.1 nicm 1323:
1.85 nicm 1324: /* Fix up the colours if necessary. */
1325: tty_check_fg(tty, &gc2);
1326: tty_check_bg(tty, &gc2);
1327:
1.64 nicm 1328: /* If any bits are being cleared, reset everything. */
1.85 nicm 1329: if (tc->attr & ~gc2.attr)
1.64 nicm 1330: tty_reset(tty);
1331:
1332: /*
1333: * Set the colours. This may call tty_reset() (so it comes next) and
1334: * may add to (NOT remove) the desired attributes by changing new_attr.
1335: */
1.85 nicm 1336: tty_colours(tty, &gc2);
1.64 nicm 1337:
1.1 nicm 1338: /* Filter out attribute bits already set. */
1.85 nicm 1339: changed = gc2.attr & ~tc->attr;
1340: tc->attr = gc2.attr;
1.1 nicm 1341:
1342: /* Set the attributes. */
1343: if (changed & GRID_ATTR_BRIGHT)
1344: tty_putcode(tty, TTYC_BOLD);
1345: if (changed & GRID_ATTR_DIM)
1346: tty_putcode(tty, TTYC_DIM);
1347: if (changed & GRID_ATTR_ITALICS)
1.104 nicm 1348: {
1349: if (tty_term_has(tty->term, TTYC_SITM))
1350: tty_putcode(tty, TTYC_SITM);
1351: else
1352: tty_putcode(tty, TTYC_SMSO);
1353: }
1.1 nicm 1354: if (changed & GRID_ATTR_UNDERSCORE)
1355: tty_putcode(tty, TTYC_SMUL);
1356: if (changed & GRID_ATTR_BLINK)
1357: tty_putcode(tty, TTYC_BLINK);
1358: if (changed & GRID_ATTR_REVERSE) {
1359: if (tty_term_has(tty->term, TTYC_REV))
1360: tty_putcode(tty, TTYC_REV);
1361: else if (tty_term_has(tty->term, TTYC_SMSO))
1362: tty_putcode(tty, TTYC_SMSO);
1363: }
1364: if (changed & GRID_ATTR_HIDDEN)
1365: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1366: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1367: tty_putcode(tty, TTYC_SMACS);
1368: }
1369:
1.61 nicm 1370: void
1.85 nicm 1371: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1372: {
1.61 nicm 1373: struct grid_cell *tc = &tty->cell;
1.62 nicm 1374: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1375: int have_ax, fg_default, bg_default;
1.61 nicm 1376:
1377: /* No changes? Nothing is necessary. */
1.62 nicm 1378: if (fg == tc->fg && bg == tc->bg &&
1379: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1380: return;
1.1 nicm 1381:
1.61 nicm 1382: /*
1383: * Is either the default colour? This is handled specially because the
1384: * best solution might be to reset both colours to default, in which
1385: * case if only one is default need to fall onward to set the other
1386: * colour.
1387: */
1.62 nicm 1388: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1389: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1390: if (fg_default || bg_default) {
1391: /*
1392: * If don't have AX but do have op, send sgr0 (op can't
1393: * actually be used because it is sometimes the same as sgr0
1394: * and sometimes isn't). This resets both colours to default.
1395: *
1396: * Otherwise, try to set the default colour only as needed.
1397: */
1398: have_ax = tty_term_has(tty->term, TTYC_AX);
1399: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1400: tty_reset(tty);
1401: else {
1402: if (fg_default &&
1.81 nicm 1403: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1404: if (have_ax)
1405: tty_puts(tty, "\033[39m");
1.81 nicm 1406: else if (tc->fg != 7 ||
1407: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1408: tty_putcode1(tty, TTYC_SETAF, 7);
1409: tc->fg = 8;
1410: tc->flags &= ~GRID_FLAG_FG256;
1411: }
1412: if (bg_default &&
1.81 nicm 1413: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1414: if (have_ax)
1.61 nicm 1415: tty_puts(tty, "\033[49m");
1.81 nicm 1416: else if (tc->bg != 0 ||
1417: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1418: tty_putcode1(tty, TTYC_SETAB, 0);
1419: tc->bg = 8;
1420: tc->flags &= ~GRID_FLAG_BG256;
1421: }
1422: }
1423: }
1.1 nicm 1424:
1.61 nicm 1425: /* Set the foreground colour. */
1426: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1427: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 nicm 1428: tty_colours_fg(tty, gc);
1.1 nicm 1429:
1.61 nicm 1430: /*
1431: * Set the background colour. This must come after the foreground as
1432: * tty_colour_fg() can call tty_reset().
1433: */
1434: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1435: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1436: tty_colours_bg(tty, gc);
1.1 nicm 1437: }
1438:
1439: void
1.85 nicm 1440: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1441: {
1442: u_int colours;
1443:
1444: /* Is this a 256-colour colour? */
1445: if (gc->flags & GRID_FLAG_FG256) {
1446: /* And not a 256 colour mode? */
1447: if (!(tty->term->flags & TERM_88COLOURS) &&
1448: !(tty->term_flags & TERM_88COLOURS) &&
1449: !(tty->term->flags & TERM_256COLOURS) &&
1450: !(tty->term_flags & TERM_256COLOURS)) {
1451: gc->fg = colour_256to16(gc->fg);
1452: if (gc->fg & 8) {
1453: gc->fg &= 7;
1454: gc->attr |= GRID_ATTR_BRIGHT;
1455: } else
1456: gc->attr &= ~GRID_ATTR_BRIGHT;
1457: gc->flags &= ~GRID_FLAG_FG256;
1458: }
1459: return;
1460: }
1461:
1462: /* Is this an aixterm colour? */
1463: colours = tty_term_number(tty->term, TTYC_COLORS);
1464: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1465: gc->fg -= 90;
1466: gc->attr |= GRID_ATTR_BRIGHT;
1467: }
1468: }
1469:
1470: void
1471: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1472: {
1473: u_int colours;
1474:
1475: /* Is this a 256-colour colour? */
1476: if (gc->flags & GRID_FLAG_BG256) {
1477: /*
1478: * And not a 256 colour mode? Translate to 16-colour
1479: * palette. Bold background doesn't exist portably, so just
1480: * discard the bold bit if set.
1481: */
1482: if (!(tty->term->flags & TERM_88COLOURS) &&
1483: !(tty->term_flags & TERM_88COLOURS) &&
1484: !(tty->term->flags & TERM_256COLOURS) &&
1485: !(tty->term_flags & TERM_256COLOURS)) {
1486: gc->bg = colour_256to16(gc->bg);
1487: if (gc->bg & 8)
1488: gc->bg &= 7;
1489: gc->attr &= ~GRID_ATTR_BRIGHT;
1490: gc->flags &= ~GRID_FLAG_BG256;
1491: }
1492: return;
1493: }
1494:
1495: /* Is this an aixterm colour? */
1496: colours = tty_term_number(tty->term, TTYC_COLORS);
1.112 nicm 1497: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16) {
1.85 nicm 1498: gc->bg -= 90;
1499: gc->attr |= GRID_ATTR_BRIGHT;
1500: }
1501: }
1502:
1503: void
1504: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1505: {
1.61 nicm 1506: struct grid_cell *tc = &tty->cell;
1507: u_char fg = gc->fg;
1.79 nicm 1508: char s[32];
1.1 nicm 1509:
1.61 nicm 1510: /* Is this a 256-colour colour? */
1.1 nicm 1511: if (gc->flags & GRID_FLAG_FG256) {
1.61 nicm 1512: /* Try as 256 colours or translating to 88. */
1.1 nicm 1513: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1514: goto save_fg;
1.1 nicm 1515: if (tty_try_88(tty, fg, "38") == 0)
1.61 nicm 1516: goto save_fg;
1.85 nicm 1517: /* Else already handled by tty_check_fg. */
1518: return;
1.1 nicm 1519: }
1520:
1.79 nicm 1521: /* Is this an aixterm bright colour? */
1522: if (fg >= 90 && fg <= 97) {
1.85 nicm 1523: xsnprintf(s, sizeof s, "\033[%dm", fg);
1524: tty_puts(tty, s);
1525: goto save_fg;
1.79 nicm 1526: }
1527:
1.61 nicm 1528: /* Otherwise set the foreground colour. */
1529: tty_putcode1(tty, TTYC_SETAF, fg);
1530:
1.77 nicm 1531: save_fg:
1.61 nicm 1532: /* Save the new values in the terminal current cell. */
1533: tc->fg = fg;
1534: tc->flags &= ~GRID_FLAG_FG256;
1535: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1536: }
1537:
1538: void
1.73 nicm 1539: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1540: {
1.61 nicm 1541: struct grid_cell *tc = &tty->cell;
1542: u_char bg = gc->bg;
1.79 nicm 1543: char s[32];
1.1 nicm 1544:
1.61 nicm 1545: /* Is this a 256-colour colour? */
1.1 nicm 1546: if (gc->flags & GRID_FLAG_BG256) {
1.61 nicm 1547: /* Try as 256 colours or translating to 88. */
1.1 nicm 1548: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1549: goto save_bg;
1.1 nicm 1550: if (tty_try_88(tty, bg, "48") == 0)
1.61 nicm 1551: goto save_bg;
1.85 nicm 1552: /* Else already handled by tty_check_bg. */
1553: return;
1.79 nicm 1554: }
1555:
1556: /* Is this an aixterm bright colour? */
1.112 nicm 1557: if (bg >= 90 && bg <= 97) {
1.79 nicm 1558: /* 16 colour terminals or above only. */
1559: if (tty_term_number(tty->term, TTYC_COLORS) >= 16) {
1.112 nicm 1560: xsnprintf(s, sizeof s, "\033[%dm", bg + 10);
1.79 nicm 1561: tty_puts(tty, s);
1562: goto save_bg;
1563: }
1.112 nicm 1564: bg -= 90;
1.79 nicm 1565: /* no such thing as a bold background */
1.1 nicm 1566: }
1567:
1.61 nicm 1568: /* Otherwise set the background colour. */
1569: tty_putcode1(tty, TTYC_SETAB, bg);
1570:
1571: save_bg:
1572: /* Save the new values in the terminal current cell. */
1573: tc->bg = bg;
1574: tc->flags &= ~GRID_FLAG_BG256;
1575: tc->flags |= gc->flags & GRID_FLAG_BG256;
1576: }
1577:
1578: int
1579: tty_try_256(struct tty *tty, u_char colour, const char *type)
1580: {
1581: char s[32];
1582:
1583: if (!(tty->term->flags & TERM_256COLOURS) &&
1584: !(tty->term_flags & TERM_256COLOURS))
1585: return (-1);
1586:
1587: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1588: tty_puts(tty, s);
1589: return (0);
1590: }
1591:
1592: int
1593: tty_try_88(struct tty *tty, u_char colour, const char *type)
1594: {
1595: char s[32];
1596:
1597: if (!(tty->term->flags & TERM_88COLOURS) &&
1598: !(tty->term_flags & TERM_88COLOURS))
1599: return (-1);
1600: colour = colour_256to88(colour);
1601:
1602: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1603: tty_puts(tty, s);
1604: return (0);
1.110 nicm 1605: }
1606:
1607: void
1608: tty_bell(struct tty *tty)
1609: {
1610: tty_putcode(tty, TTYC_BEL);
1.1 nicm 1611: }
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