Annotation of src/usr.bin/tmux/tty.c, Revision 1.157
1.157 ! nicm 1: /* $OpenBSD: tty.c,v 1.156 2013/03/24 09:18:16 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))
1.157 ! nicm 224: tty_puts(tty, "\033[c\033[>4;1m\033[?1004h");
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))
1.157 ! nicm 287: tty_raw(tty, "\033[>4m\033[?1004l");
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: }
1.154 nicm 492: if (changed & (ALL_MOUSE_MODES|MODE_MOUSE_UTF8)) {
1.94 nicm 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");
1.154 nicm 503: else
504: tty_puts(tty, "\033[?1005l");
1.153 nicm 505: tty_puts(tty, "\033[?1006h");
506:
1.98 nicm 507: if (mode & MODE_MOUSE_ANY)
508: tty_puts(tty, "\033[?1003h");
1.94 nicm 509: else if (mode & MODE_MOUSE_BUTTON)
510: tty_puts(tty, "\033[?1002h");
1.98 nicm 511: else if (mode & MODE_MOUSE_STANDARD)
512: tty_puts(tty, "\033[?1000h");
1.86 nicm 513: } else {
1.98 nicm 514: if (tty->mode & MODE_MOUSE_ANY)
515: tty_puts(tty, "\033[?1003l");
1.94 nicm 516: else if (tty->mode & MODE_MOUSE_BUTTON)
517: tty_puts(tty, "\033[?1002l");
1.98 nicm 518: else if (tty->mode & MODE_MOUSE_STANDARD)
519: tty_puts(tty, "\033[?1000l");
1.153 nicm 520:
521: tty_puts(tty, "\033[?1006l");
1.95 nicm 522: if (tty->mode & MODE_MOUSE_UTF8)
523: tty_puts(tty, "\033[?1005l");
1.86 nicm 524: }
1.76 nicm 525: }
526: if (changed & MODE_KKEYPAD) {
527: if (mode & MODE_KKEYPAD)
528: tty_putcode(tty, TTYC_SMKX);
529: else
530: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 531: }
532: if (changed & MODE_BRACKETPASTE) {
533: if (mode & MODE_BRACKETPASTE)
534: tty_puts(tty, "\033[?2004h");
535: else
536: tty_puts(tty, "\033[?2004l");
1.1 nicm 537: }
538: tty->mode = mode;
539: }
540:
541: void
542: tty_emulate_repeat(
543: struct tty *tty, enum tty_code_code code, enum tty_code_code code1, u_int n)
544: {
545: if (tty_term_has(tty->term, code))
546: tty_putcode1(tty, code, n);
547: else {
548: while (n-- > 0)
549: tty_putcode(tty, code1);
550: }
551: }
552:
1.133 nicm 553: void
554: tty_repeat_space(struct tty *tty, u_int n)
555: {
556: while (n-- > 0)
557: tty_putc(tty, ' ');
558: }
559:
1.1 nicm 560: /*
1.119 nicm 561: * Is the region large enough to be worth redrawing once later rather than
562: * probably several times now? Currently yes if it is more than 50% of the
563: * pane.
564: */
565: int
566: tty_large_region(unused struct tty *tty, const struct tty_ctx *ctx)
567: {
568: struct window_pane *wp = ctx->wp;
569:
570: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
571: }
572:
573: /*
1.1 nicm 574: * Redraw scroll region using data from screen (already updated). Used when
575: * CSR not supported, or window is a pane that doesn't take up the full
576: * width of the terminal.
577: */
578: void
1.24 nicm 579: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 580: {
1.14 nicm 581: struct window_pane *wp = ctx->wp;
582: struct screen *s = wp->screen;
583: u_int i;
1.1 nicm 584:
585: /*
1.119 nicm 586: * If region is large, schedule a window redraw. In most cases this is
587: * likely to be followed by some more scrolling.
1.1 nicm 588: */
1.119 nicm 589: if (tty_large_region(tty, ctx)) {
1.1 nicm 590: wp->flags |= PANE_REDRAW;
591: return;
592: }
593:
1.14 nicm 594: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
595: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.113 nicm 596: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 597: } else {
1.14 nicm 598: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.113 nicm 599: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 600: }
601: }
602:
603: void
604: tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
605: {
606: const struct grid_cell *gc;
1.46 nicm 607: struct grid_line *gl;
1.16 nicm 608: struct grid_cell tmpgc;
1.147 nicm 609: struct utf8_data ud;
1.1 nicm 610: u_int i, sx;
611:
1.107 nicm 612: tty_update_mode(tty, tty->mode & ~MODE_CURSOR, s);
1.35 nicm 613:
1.1 nicm 614: sx = screen_size_x(s);
1.19 nicm 615: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
616: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 617: if (sx > tty->sx)
618: sx = tty->sx;
619:
1.46 nicm 620: /*
621: * Don't move the cursor to the start permission if it will wrap there
1.50 nicm 622: * itself.
1.46 nicm 623: */
624: gl = NULL;
625: if (py != 0)
626: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 627: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 628: tty->cx < tty->sx || ox != 0 ||
629: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 630: tty_cursor(tty, ox, oy + py);
631:
1.1 nicm 632: for (i = 0; i < sx; i++) {
633: gc = grid_view_peek_cell(s->grid, i, py);
634: if (screen_check_selection(s, i, py)) {
1.16 nicm 635: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
1.147 nicm 636: grid_cell_get(gc, &ud);
637: grid_cell_set(&tmpgc, &ud);
1.77 nicm 638: tmpgc.flags = gc->flags &
1.38 nicm 639: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
640: tmpgc.flags |= s->sel.cell.flags &
641: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.147 nicm 642: tty_cell(tty, &tmpgc);
1.1 nicm 643: } else
1.147 nicm 644: tty_cell(tty, gc);
1.1 nicm 645: }
646:
1.35 nicm 647: if (sx >= tty->sx) {
1.107 nicm 648: tty_update_mode(tty, tty->mode, s);
1.1 nicm 649: return;
1.35 nicm 650: }
1.1 nicm 651: tty_reset(tty);
652:
1.41 nicm 653: tty_cursor(tty, ox + sx, oy + py);
1.126 nicm 654: if (sx != screen_size_x(s) && ox + screen_size_x(s) >= tty->sx &&
1.117 nicm 655: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 656: tty_putcode(tty, TTYC_EL);
1.133 nicm 657: else
658: tty_repeat_space(tty, screen_size_x(s) - sx);
1.107 nicm 659: tty_update_mode(tty, tty->mode, s);
1.15 nicm 660: }
661:
662: void
1.113 nicm 663: tty_write(
664: void (*cmdfn)(struct tty *, const struct tty_ctx *), struct tty_ctx *ctx)
1.15 nicm 665: {
666: struct window_pane *wp = ctx->wp;
667: struct client *c;
668: u_int i;
669:
1.75 nicm 670: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 671: if (wp == NULL)
672: return;
673:
674: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
675: return;
1.129 nicm 676: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 677: return;
678:
679: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
680: c = ARRAY_ITEM(&clients, i);
1.139 nicm 681: if (c == NULL || c->session == NULL || c->tty.term == NULL)
1.15 nicm 682: continue;
1.142 nicm 683: if (c->flags & CLIENT_SUSPENDED)
684: continue;
685: if (c->tty.flags & TTY_FREEZE)
1.139 nicm 686: continue;
687: if (c->session->curw->window != wp->window)
1.15 nicm 688: continue;
689:
1.139 nicm 690: ctx->xoff = wp->xoff;
691: ctx->yoff = wp->yoff;
692: if (status_at_line(c) == 0)
693: ctx->yoff++;
1.113 nicm 694:
1.139 nicm 695: cmdfn(&c->tty, ctx);
1.1 nicm 696: }
697: }
698:
699: void
1.24 nicm 700: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 701: {
1.77 nicm 702: struct window_pane *wp = ctx->wp;
1.1 nicm 703:
1.135 nicm 704: if (!tty_pane_full_width(tty, ctx)) {
1.113 nicm 705: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 706: return;
707: }
708:
709: tty_reset(tty);
710:
1.77 nicm 711: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 712:
1.1 nicm 713: if (tty_term_has(tty->term, TTYC_ICH) ||
714: tty_term_has(tty->term, TTYC_ICH1))
1.12 nicm 715: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.134 nicm 716: else
1.113 nicm 717: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 718: }
719:
720: void
1.24 nicm 721: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 722: {
1.77 nicm 723: struct window_pane *wp = ctx->wp;
1.1 nicm 724:
1.135 nicm 725: if (!tty_pane_full_width(tty, ctx) ||
1.26 nicm 726: (!tty_term_has(tty->term, TTYC_DCH) &&
727: !tty_term_has(tty->term, TTYC_DCH1))) {
1.113 nicm 728: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 729: return;
730: }
731:
732: tty_reset(tty);
733:
1.77 nicm 734: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 735:
1.26 nicm 736: if (tty_term_has(tty->term, TTYC_DCH) ||
737: tty_term_has(tty->term, TTYC_DCH1))
738: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 739: }
740:
741: void
742: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
743: {
744: u_int i;
745:
746: tty_reset(tty);
747:
748: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
749:
750: if (tty_term_has(tty->term, TTYC_ECH))
751: tty_putcode1(tty, TTYC_ECH, ctx->num);
752: else {
753: for (i = 0; i < ctx->num; i++)
754: tty_putc(tty, ' ');
755: }
1.1 nicm 756: }
757:
758: void
1.24 nicm 759: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 760: {
1.132 nicm 761: if (!tty_pane_full_width(tty, ctx) ||
1.77 nicm 762: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 763: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 764: tty_redraw_region(tty, ctx);
1.1 nicm 765: return;
766: }
767:
768: tty_reset(tty);
769:
1.77 nicm 770: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
771: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 772:
1.12 nicm 773: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 774: }
775:
776: void
1.24 nicm 777: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 778: {
1.132 nicm 779: if (!tty_pane_full_width(tty, ctx) ||
1.72 nicm 780: !tty_term_has(tty->term, TTYC_CSR) ||
781: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 782: tty_redraw_region(tty, ctx);
1.1 nicm 783: return;
784: }
785:
786: tty_reset(tty);
787:
1.77 nicm 788: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
789: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 790:
1.12 nicm 791: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 792: }
793:
794: void
1.24 nicm 795: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 796: {
1.77 nicm 797: struct window_pane *wp = ctx->wp;
1.12 nicm 798: struct screen *s = wp->screen;
1.1 nicm 799:
800: tty_reset(tty);
801:
1.77 nicm 802: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 803:
1.133 nicm 804: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL))
1.1 nicm 805: tty_putcode(tty, TTYC_EL);
1.133 nicm 806: else
807: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 808: }
809:
810: void
1.24 nicm 811: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 812: {
1.77 nicm 813: struct window_pane *wp = ctx->wp;
1.12 nicm 814: struct screen *s = wp->screen;
1.1 nicm 815:
816: tty_reset(tty);
817:
1.41 nicm 818: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
819:
1.132 nicm 820: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL))
1.1 nicm 821: tty_putcode(tty, TTYC_EL);
1.133 nicm 822: else
823: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.1 nicm 824: }
825:
826: void
1.24 nicm 827: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 828: {
829: tty_reset(tty);
830:
1.113 nicm 831: if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1.41 nicm 832: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 833: tty_putcode(tty, TTYC_EL1);
834: } else {
1.41 nicm 835: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 836: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 837: }
838: }
839:
840: void
1.24 nicm 841: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 842: {
1.56 nicm 843: if (ctx->ocy != ctx->orupper)
844: return;
845:
1.132 nicm 846: if (!tty_pane_full_width(tty, ctx) ||
1.70 nicm 847: !tty_term_has(tty->term, TTYC_CSR) ||
848: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 849: tty_redraw_region(tty, ctx);
1.1 nicm 850: return;
851: }
852:
1.56 nicm 853: tty_reset(tty);
1.77 nicm 854:
1.56 nicm 855: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
856: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 857:
1.56 nicm 858: tty_putcode(tty, TTYC_RI);
1.1 nicm 859: }
860:
861: void
1.24 nicm 862: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 863: {
1.77 nicm 864: struct window_pane *wp = ctx->wp;
1.1 nicm 865:
1.56 nicm 866: if (ctx->ocy != ctx->orlower)
867: return;
868:
1.132 nicm 869: if (!tty_pane_full_width(tty, ctx) ||
1.1 nicm 870: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 871: if (tty_large_region(tty, ctx))
872: wp->flags |= PANE_REDRAW;
1.140 nicm 873: else
1.128 nicm 874: tty_redraw_region(tty, ctx);
1.1 nicm 875: return;
876: }
1.52 nicm 877:
878: /*
879: * If this line wrapped naturally (ctx->num is nonzero), don't do
880: * anything - the cursor can just be moved to the last cell and wrap
881: * naturally.
882: */
883: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
884: return;
1.1 nicm 885:
1.56 nicm 886: tty_reset(tty);
1.77 nicm 887:
1.56 nicm 888: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
889: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 890:
1.56 nicm 891: tty_putc(tty, '\n');
1.1 nicm 892: }
893:
894: void
1.24 nicm 895: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 896: {
1.77 nicm 897: struct window_pane *wp = ctx->wp;
1.12 nicm 898: struct screen *s = wp->screen;
899: u_int i, j;
1.1 nicm 900:
901: tty_reset(tty);
902:
1.39 nicm 903: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 904: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 905:
1.132 nicm 906: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.1 nicm 907: tty_putcode(tty, TTYC_EL);
1.14 nicm 908: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 909: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 910: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 911: tty_putcode(tty, TTYC_EL);
912: if (i == screen_size_y(s) - 1)
913: continue;
914: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
915: tty->cy++;
916: }
917: }
918: } else {
1.133 nicm 919: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.68 nicm 920: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 921: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 922: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 923: }
924: }
925: }
926:
927: void
1.24 nicm 928: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 929: {
1.77 nicm 930: struct window_pane *wp = ctx->wp;
1.12 nicm 931: struct screen *s = wp->screen;
932: u_int i, j;
1.1 nicm 933:
934: tty_reset(tty);
935:
1.39 nicm 936: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 937: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 938:
1.132 nicm 939: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.14 nicm 940: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 941: tty_putcode(tty, TTYC_EL);
942: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
943: tty->cy++;
944: }
945: } else {
1.14 nicm 946: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 947: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 948: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 949: }
950: }
1.133 nicm 951: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 952: }
953:
954: void
1.24 nicm 955: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 956: {
1.77 nicm 957: struct window_pane *wp = ctx->wp;
1.12 nicm 958: struct screen *s = wp->screen;
959: u_int i, j;
1.1 nicm 960:
961: tty_reset(tty);
962:
1.39 nicm 963: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 964: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 965:
1.132 nicm 966: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.1 nicm 967: for (i = 0; i < screen_size_y(s); i++) {
968: tty_putcode(tty, TTYC_EL);
969: if (i != screen_size_y(s) - 1) {
970: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
971: tty->cy++;
972: }
973: }
974: } else {
975: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 976: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 977: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 978: }
1.4 nicm 979: }
980: }
981:
982: void
1.24 nicm 983: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 984: {
1.12 nicm 985: struct window_pane *wp = ctx->wp;
986: struct screen *s = wp->screen;
987: u_int i, j;
1.4 nicm 988:
989: tty_reset(tty);
990:
1.39 nicm 991: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 992:
993: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 994: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 995: for (i = 0; i < screen_size_x(s); i++)
996: tty_putc(tty, 'E');
1.1 nicm 997: }
998: }
999:
1000: void
1.24 nicm 1001: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1002: {
1.46 nicm 1003: struct window_pane *wp = ctx->wp;
1004: struct screen *s = wp->screen;
1.58 nicm 1005: u_int cx;
1.102 nicm 1006: u_int width;
1.46 nicm 1007:
1008: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1009:
1.57 nicm 1010: /* Is the cursor in the very last position? */
1.147 nicm 1011: width = grid_cell_width(ctx->cell);
1.102 nicm 1012: if (ctx->ocx > wp->sx - width) {
1.113 nicm 1013: if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57 nicm 1014: /*
1015: * The pane doesn't fill the entire line, the linefeed
1016: * will already have happened, so just move the cursor.
1017: */
1.125 nicm 1018: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 1019: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1020: else
1021: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.57 nicm 1022: } else if (tty->cx < tty->sx) {
1023: /*
1024: * The cursor isn't in the last position already, so
1.102 nicm 1025: * move as far left as possible and redraw the last
1.57 nicm 1026: * cell to move into the last position.
1027: */
1.147 nicm 1028: cx = screen_size_x(s) - grid_cell_width(&ctx->last_cell);
1.50 nicm 1029: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1.147 nicm 1030: tty_cell(tty, &ctx->last_cell);
1.50 nicm 1031: }
1032: } else
1.46 nicm 1033: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1034:
1.147 nicm 1035: tty_cell(tty, ctx->cell);
1.1 nicm 1036: }
1037:
1038: void
1.24 nicm 1039: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1040: {
1.53 nicm 1041: struct window_pane *wp = ctx->wp;
1.1 nicm 1042:
1.53 nicm 1043: /*
1044: * Cannot rely on not being a partial character, so just redraw the
1045: * whole line.
1046: */
1.113 nicm 1047: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1048: }
1049:
1050: void
1051: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1052: {
1053: char *buf;
1054: size_t off;
1055:
1056: if (!tty_term_has(tty->term, TTYC_MS))
1057: return;
1058:
1059: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1060: buf = xmalloc(off);
1061:
1062: b64_ntop(ctx->ptr, ctx->num, buf, off);
1063: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1064:
1.138 nicm 1065: free(buf);
1.100 nicm 1066: }
1067:
1068: void
1069: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1070: {
1071: u_int i;
1072: u_char *str = ctx->ptr;
1073:
1074: for (i = 0; i < ctx->num; i++)
1075: tty_putc(tty, str[i]);
1.141 nicm 1076:
1077: tty->cx = tty->cy = UINT_MAX;
1078: tty->rupper = tty->rlower = UINT_MAX;
1079:
1080: tty_reset(tty);
1081: tty_cursor(tty, 0, 0);
1.1 nicm 1082: }
1083:
1084: void
1.147 nicm 1085: tty_cell(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1086: {
1.147 nicm 1087: struct utf8_data ud;
1088: u_int i;
1.1 nicm 1089:
1090: /* Skip last character if terminal is stupid. */
1091: if (tty->term->flags & TERM_EARLYWRAP &&
1092: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
1093: return;
1094:
1095: /* If this is a padding character, do nothing. */
1096: if (gc->flags & GRID_FLAG_PADDING)
1097: return;
1098:
1099: /* Set the attributes. */
1100: tty_attributes(tty, gc);
1101:
1.147 nicm 1102: /* Get the cell and if ASCII write with putc to do ACS translation. */
1103: grid_cell_get(gc, &ud);
1104: if (ud.size == 1) {
1105: if (*ud.data < 0x20 || *ud.data == 0x7f)
1.1 nicm 1106: return;
1.147 nicm 1107: tty_putc(tty, *ud.data);
1.1 nicm 1108: return;
1109: }
1110:
1.147 nicm 1111: /* If not UTF-8, write _. */
1.1 nicm 1112: if (!(tty->flags & TTY_UTF8)) {
1.147 nicm 1113: for (i = 0; i < ud.width; i++)
1.1 nicm 1114: tty_putc(tty, '_');
1115: return;
1116: }
1117:
1.147 nicm 1118: /* Write the data. */
1119: tty_putn(tty, ud.data, ud.size, ud.width);
1.1 nicm 1120: }
1121:
1122: void
1123: tty_reset(struct tty *tty)
1124: {
1125: struct grid_cell *gc = &tty->cell;
1126:
1127: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
1128: return;
1129:
1.90 nicm 1130: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1131: tty_putcode(tty, TTYC_RMACS);
1132: tty_putcode(tty, TTYC_SGR0);
1133: memcpy(gc, &grid_default_cell, sizeof *gc);
1134: }
1135:
1.40 nicm 1136: /* Set region inside pane. */
1.1 nicm 1137: void
1.39 nicm 1138: tty_region_pane(
1139: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 1140: {
1.113 nicm 1141: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1142: }
1143:
1.40 nicm 1144: /* Set region at absolute position. */
1.39 nicm 1145: void
1.40 nicm 1146: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1147: {
1148: if (tty->rlower == rlower && tty->rupper == rupper)
1149: return;
1.1 nicm 1150: if (!tty_term_has(tty->term, TTYC_CSR))
1151: return;
1.39 nicm 1152:
1153: tty->rupper = rupper;
1154: tty->rlower = rlower;
1.55 nicm 1155:
1156: /*
1157: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1158: * 0,0 if it is beyond the last column (they do not reset their wrap
1159: * flag so further output causes a line feed). As a workaround, do an
1160: * explicit move to 0 first.
1161: */
1162: if (tty->cx >= tty->sx)
1163: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1164:
1.39 nicm 1165: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1166: tty_cursor(tty, 0, 0);
1.1 nicm 1167: }
1168:
1.42 nicm 1169: /* Move cursor inside pane. */
1.1 nicm 1170: void
1.41 nicm 1171: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1172: {
1.113 nicm 1173: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1174: }
1175:
1.42 nicm 1176: /* Move cursor to absolute position. */
1.41 nicm 1177: void
1178: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1179: {
1.42 nicm 1180: struct tty_term *term = tty->term;
1181: u_int thisx, thisy;
1182: int change;
1.77 nicm 1183:
1.42 nicm 1184: if (cx > tty->sx - 1)
1185: cx = tty->sx - 1;
1186:
1187: thisx = tty->cx;
1188: thisy = tty->cy;
1189:
1190: /* No change. */
1191: if (cx == thisx && cy == thisy)
1192: return;
1193:
1.43 nicm 1194: /* Very end of the line, just use absolute movement. */
1195: if (thisx > tty->sx - 1)
1196: goto absolute;
1197:
1.42 nicm 1198: /* Move to home position (0, 0). */
1199: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1200: tty_putcode(tty, TTYC_HOME);
1201: goto out;
1202: }
1203:
1204: /* Zero on the next line. */
1.48 nicm 1205: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1206: tty_putc(tty, '\r');
1.42 nicm 1207: tty_putc(tty, '\n');
1208: goto out;
1209: }
1210:
1.45 nicm 1211: /* Moving column or row. */
1.42 nicm 1212: if (cy == thisy) {
1.45 nicm 1213: /*
1214: * Moving column only, row staying the same.
1215: */
1216:
1.42 nicm 1217: /* To left edge. */
1218: if (cx == 0) {
1219: tty_putc(tty, '\r');
1220: goto out;
1221: }
1222:
1223: /* One to the left. */
1224: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1225: tty_putcode(tty, TTYC_CUB1);
1226: goto out;
1227: }
1228:
1229: /* One to the right. */
1230: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1231: tty_putcode(tty, TTYC_CUF1);
1232: goto out;
1233: }
1234:
1235: /* Calculate difference. */
1236: change = thisx - cx; /* +ve left, -ve right */
1237:
1238: /*
1239: * Use HPA if change is larger than absolute, otherwise move
1240: * the cursor with CUB/CUF.
1241: */
1.87 nicm 1242: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1243: tty_putcode1(tty, TTYC_HPA, cx);
1244: goto out;
1245: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1246: tty_putcode1(tty, TTYC_CUB, change);
1247: goto out;
1248: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1249: tty_putcode1(tty, TTYC_CUF, -change);
1250: goto out;
1251: }
1.45 nicm 1252: } else if (cx == thisx) {
1253: /*
1254: * Moving row only, column staying the same.
1255: */
1.42 nicm 1256:
1257: /* One above. */
1.77 nicm 1258: if (thisy != tty->rupper &&
1.42 nicm 1259: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1260: tty_putcode(tty, TTYC_CUU1);
1261: goto out;
1262: }
1263:
1264: /* One below. */
1.49 nicm 1265: if (thisy != tty->rlower &&
1.42 nicm 1266: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1267: tty_putcode(tty, TTYC_CUD1);
1268: goto out;
1269: }
1270:
1271: /* Calculate difference. */
1272: change = thisy - cy; /* +ve up, -ve down */
1273:
1274: /*
1.77 nicm 1275: * Try to use VPA if change is larger than absolute or if this
1276: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1277: */
1.87 nicm 1278: if ((u_int) abs(change) > cy ||
1.42 nicm 1279: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1280: (change > 0 && cy - change < tty->rupper)) {
1281: if (tty_term_has(term, TTYC_VPA)) {
1282: tty_putcode1(tty, TTYC_VPA, cy);
1283: goto out;
1284: }
1.42 nicm 1285: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1286: tty_putcode1(tty, TTYC_CUU, change);
1287: goto out;
1288: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1289: tty_putcode1(tty, TTYC_CUD, -change);
1290: goto out;
1291: }
1292: }
1293:
1.43 nicm 1294: absolute:
1.42 nicm 1295: /* Absolute movement. */
1296: tty_putcode2(tty, TTYC_CUP, cy, cx);
1297:
1298: out:
1299: tty->cx = cx;
1300: tty->cy = cy;
1.1 nicm 1301: }
1302:
1303: void
1304: tty_attributes(struct tty *tty, const struct grid_cell *gc)
1305: {
1.63 nicm 1306: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1307: u_char changed;
1.61 nicm 1308:
1.85 nicm 1309: memcpy(&gc2, gc, sizeof gc2);
1.63 nicm 1310:
1.18 nicm 1311: /*
1312: * If no setab, try to use the reverse attribute as a best-effort for a
1313: * non-default background. This is a bit of a hack but it doesn't do
1314: * any serious harm and makes a couple of applications happier.
1315: */
1316: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1317: if (gc2.attr & GRID_ATTR_REVERSE) {
1318: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1319: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1320: } else {
1.85 nicm 1321: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1322: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1323: }
1324: }
1.1 nicm 1325:
1.85 nicm 1326: /* Fix up the colours if necessary. */
1327: tty_check_fg(tty, &gc2);
1328: tty_check_bg(tty, &gc2);
1329:
1.64 nicm 1330: /* If any bits are being cleared, reset everything. */
1.85 nicm 1331: if (tc->attr & ~gc2.attr)
1.64 nicm 1332: tty_reset(tty);
1333:
1334: /*
1335: * Set the colours. This may call tty_reset() (so it comes next) and
1336: * may add to (NOT remove) the desired attributes by changing new_attr.
1337: */
1.85 nicm 1338: tty_colours(tty, &gc2);
1.64 nicm 1339:
1.1 nicm 1340: /* Filter out attribute bits already set. */
1.85 nicm 1341: changed = gc2.attr & ~tc->attr;
1342: tc->attr = gc2.attr;
1.1 nicm 1343:
1344: /* Set the attributes. */
1345: if (changed & GRID_ATTR_BRIGHT)
1346: tty_putcode(tty, TTYC_BOLD);
1347: if (changed & GRID_ATTR_DIM)
1348: tty_putcode(tty, TTYC_DIM);
1349: if (changed & GRID_ATTR_ITALICS)
1.104 nicm 1350: {
1351: if (tty_term_has(tty->term, TTYC_SITM))
1352: tty_putcode(tty, TTYC_SITM);
1353: else
1354: tty_putcode(tty, TTYC_SMSO);
1355: }
1.1 nicm 1356: if (changed & GRID_ATTR_UNDERSCORE)
1357: tty_putcode(tty, TTYC_SMUL);
1358: if (changed & GRID_ATTR_BLINK)
1359: tty_putcode(tty, TTYC_BLINK);
1360: if (changed & GRID_ATTR_REVERSE) {
1361: if (tty_term_has(tty->term, TTYC_REV))
1362: tty_putcode(tty, TTYC_REV);
1363: else if (tty_term_has(tty->term, TTYC_SMSO))
1364: tty_putcode(tty, TTYC_SMSO);
1365: }
1366: if (changed & GRID_ATTR_HIDDEN)
1367: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1368: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1369: tty_putcode(tty, TTYC_SMACS);
1370: }
1371:
1.61 nicm 1372: void
1.85 nicm 1373: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1374: {
1.61 nicm 1375: struct grid_cell *tc = &tty->cell;
1.62 nicm 1376: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1377: int have_ax, fg_default, bg_default;
1.61 nicm 1378:
1379: /* No changes? Nothing is necessary. */
1.62 nicm 1380: if (fg == tc->fg && bg == tc->bg &&
1381: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1382: return;
1.1 nicm 1383:
1.61 nicm 1384: /*
1385: * Is either the default colour? This is handled specially because the
1386: * best solution might be to reset both colours to default, in which
1387: * case if only one is default need to fall onward to set the other
1388: * colour.
1389: */
1.62 nicm 1390: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1391: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1392: if (fg_default || bg_default) {
1393: /*
1394: * If don't have AX but do have op, send sgr0 (op can't
1395: * actually be used because it is sometimes the same as sgr0
1396: * and sometimes isn't). This resets both colours to default.
1397: *
1398: * Otherwise, try to set the default colour only as needed.
1399: */
1400: have_ax = tty_term_has(tty->term, TTYC_AX);
1401: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1402: tty_reset(tty);
1403: else {
1404: if (fg_default &&
1.81 nicm 1405: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1406: if (have_ax)
1407: tty_puts(tty, "\033[39m");
1.81 nicm 1408: else if (tc->fg != 7 ||
1409: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1410: tty_putcode1(tty, TTYC_SETAF, 7);
1411: tc->fg = 8;
1412: tc->flags &= ~GRID_FLAG_FG256;
1413: }
1414: if (bg_default &&
1.81 nicm 1415: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1416: if (have_ax)
1.61 nicm 1417: tty_puts(tty, "\033[49m");
1.81 nicm 1418: else if (tc->bg != 0 ||
1419: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1420: tty_putcode1(tty, TTYC_SETAB, 0);
1421: tc->bg = 8;
1422: tc->flags &= ~GRID_FLAG_BG256;
1423: }
1424: }
1425: }
1.1 nicm 1426:
1.61 nicm 1427: /* Set the foreground colour. */
1428: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1429: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 nicm 1430: tty_colours_fg(tty, gc);
1.1 nicm 1431:
1.61 nicm 1432: /*
1433: * Set the background colour. This must come after the foreground as
1434: * tty_colour_fg() can call tty_reset().
1435: */
1436: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1437: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1438: tty_colours_bg(tty, gc);
1.1 nicm 1439: }
1440:
1441: void
1.85 nicm 1442: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1443: {
1444: u_int colours;
1445:
1446: /* Is this a 256-colour colour? */
1447: if (gc->flags & GRID_FLAG_FG256) {
1448: /* And not a 256 colour mode? */
1449: if (!(tty->term->flags & TERM_88COLOURS) &&
1450: !(tty->term_flags & TERM_88COLOURS) &&
1451: !(tty->term->flags & TERM_256COLOURS) &&
1452: !(tty->term_flags & TERM_256COLOURS)) {
1453: gc->fg = colour_256to16(gc->fg);
1454: if (gc->fg & 8) {
1455: gc->fg &= 7;
1456: gc->attr |= GRID_ATTR_BRIGHT;
1457: } else
1458: gc->attr &= ~GRID_ATTR_BRIGHT;
1459: gc->flags &= ~GRID_FLAG_FG256;
1460: }
1461: return;
1462: }
1463:
1464: /* Is this an aixterm colour? */
1465: colours = tty_term_number(tty->term, TTYC_COLORS);
1466: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1467: gc->fg -= 90;
1468: gc->attr |= GRID_ATTR_BRIGHT;
1469: }
1470: }
1471:
1472: void
1473: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1474: {
1475: u_int colours;
1476:
1477: /* Is this a 256-colour colour? */
1478: if (gc->flags & GRID_FLAG_BG256) {
1479: /*
1480: * And not a 256 colour mode? Translate to 16-colour
1481: * palette. Bold background doesn't exist portably, so just
1482: * discard the bold bit if set.
1483: */
1484: if (!(tty->term->flags & TERM_88COLOURS) &&
1485: !(tty->term_flags & TERM_88COLOURS) &&
1486: !(tty->term->flags & TERM_256COLOURS) &&
1487: !(tty->term_flags & TERM_256COLOURS)) {
1488: gc->bg = colour_256to16(gc->bg);
1489: if (gc->bg & 8)
1490: gc->bg &= 7;
1491: gc->attr &= ~GRID_ATTR_BRIGHT;
1492: gc->flags &= ~GRID_FLAG_BG256;
1493: }
1494: return;
1495: }
1496:
1497: /* Is this an aixterm colour? */
1498: colours = tty_term_number(tty->term, TTYC_COLORS);
1.112 nicm 1499: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16) {
1.85 nicm 1500: gc->bg -= 90;
1501: gc->attr |= GRID_ATTR_BRIGHT;
1502: }
1503: }
1504:
1505: void
1506: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1507: {
1.61 nicm 1508: struct grid_cell *tc = &tty->cell;
1509: u_char fg = gc->fg;
1.79 nicm 1510: char s[32];
1.1 nicm 1511:
1.61 nicm 1512: /* Is this a 256-colour colour? */
1.1 nicm 1513: if (gc->flags & GRID_FLAG_FG256) {
1.61 nicm 1514: /* Try as 256 colours or translating to 88. */
1.1 nicm 1515: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1516: goto save_fg;
1.1 nicm 1517: if (tty_try_88(tty, fg, "38") == 0)
1.61 nicm 1518: goto save_fg;
1.85 nicm 1519: /* Else already handled by tty_check_fg. */
1520: return;
1.1 nicm 1521: }
1522:
1.79 nicm 1523: /* Is this an aixterm bright colour? */
1524: if (fg >= 90 && fg <= 97) {
1.85 nicm 1525: xsnprintf(s, sizeof s, "\033[%dm", fg);
1526: tty_puts(tty, s);
1527: goto save_fg;
1.79 nicm 1528: }
1529:
1.61 nicm 1530: /* Otherwise set the foreground colour. */
1531: tty_putcode1(tty, TTYC_SETAF, fg);
1532:
1.77 nicm 1533: save_fg:
1.61 nicm 1534: /* Save the new values in the terminal current cell. */
1535: tc->fg = fg;
1536: tc->flags &= ~GRID_FLAG_FG256;
1537: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1538: }
1539:
1540: void
1.73 nicm 1541: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1542: {
1.61 nicm 1543: struct grid_cell *tc = &tty->cell;
1544: u_char bg = gc->bg;
1.79 nicm 1545: char s[32];
1.1 nicm 1546:
1.61 nicm 1547: /* Is this a 256-colour colour? */
1.1 nicm 1548: if (gc->flags & GRID_FLAG_BG256) {
1.61 nicm 1549: /* Try as 256 colours or translating to 88. */
1.1 nicm 1550: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1551: goto save_bg;
1.1 nicm 1552: if (tty_try_88(tty, bg, "48") == 0)
1.61 nicm 1553: goto save_bg;
1.85 nicm 1554: /* Else already handled by tty_check_bg. */
1555: return;
1.79 nicm 1556: }
1557:
1558: /* Is this an aixterm bright colour? */
1.112 nicm 1559: if (bg >= 90 && bg <= 97) {
1.79 nicm 1560: /* 16 colour terminals or above only. */
1561: if (tty_term_number(tty->term, TTYC_COLORS) >= 16) {
1.112 nicm 1562: xsnprintf(s, sizeof s, "\033[%dm", bg + 10);
1.79 nicm 1563: tty_puts(tty, s);
1564: goto save_bg;
1565: }
1.112 nicm 1566: bg -= 90;
1.79 nicm 1567: /* no such thing as a bold background */
1.1 nicm 1568: }
1569:
1.61 nicm 1570: /* Otherwise set the background colour. */
1571: tty_putcode1(tty, TTYC_SETAB, bg);
1572:
1573: save_bg:
1574: /* Save the new values in the terminal current cell. */
1575: tc->bg = bg;
1576: tc->flags &= ~GRID_FLAG_BG256;
1577: tc->flags |= gc->flags & GRID_FLAG_BG256;
1578: }
1579:
1580: int
1581: tty_try_256(struct tty *tty, u_char colour, const char *type)
1582: {
1583: char s[32];
1584:
1585: if (!(tty->term->flags & TERM_256COLOURS) &&
1586: !(tty->term_flags & TERM_256COLOURS))
1587: return (-1);
1588:
1589: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1590: tty_puts(tty, s);
1591: return (0);
1592: }
1593:
1594: int
1595: tty_try_88(struct tty *tty, u_char colour, const char *type)
1596: {
1597: char s[32];
1598:
1599: if (!(tty->term->flags & TERM_88COLOURS) &&
1600: !(tty->term_flags & TERM_88COLOURS))
1601: return (-1);
1602: colour = colour_256to88(colour);
1603:
1604: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1605: tty_puts(tty, s);
1606: return (0);
1.110 nicm 1607: }
1608:
1609: void
1610: tty_bell(struct tty *tty)
1611: {
1612: tty_putcode(tty, TTYC_BEL);
1.1 nicm 1613: }
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