Annotation of src/usr.bin/tmux/tty.c, Revision 1.132
1.132 ! nicm 1: /* $OpenBSD: tty.c,v 1.131 2012/05/05 18:31:09 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 *);
1.130 nicm 47: void tty_cra_pane(struct tty *,
48: const struct tty_ctx *, u_int, u_int, u_int, u_int, u_int, u_int);
49: void tty_era_pane(struct tty *,
50: const struct tty_ctx *, u_int, u_int, u_int, u_int);
1.24 nicm 51: void tty_redraw_region(struct tty *, const struct tty_ctx *);
1.13 nicm 52: void tty_emulate_repeat(
53: struct tty *, enum tty_code_code, enum tty_code_code, u_int);
1.14 nicm 54: void tty_cell(struct tty *,
1.77 nicm 55: const struct grid_cell *, const struct grid_utf8 *);
1.1 nicm 56:
1.90 nicm 57: #define tty_use_acs(tty) \
1.131 nicm 58: (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.130 nicm 59: #define tty_use_rect(tty) \
1.131 nicm 60: ((tty)->xterm_version > 270)
1.90 nicm 61:
1.132 ! nicm 62: #define tty_pane_full_width(tty, ctx) \
! 63: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
! 64:
1.1 nicm 65: void
1.30 nicm 66: tty_init(struct tty *tty, int fd, char *term)
1.1 nicm 67: {
1.30 nicm 68: char *path;
69:
70: memset(tty, 0, sizeof *tty);
1.23 nicm 71: tty->log_fd = -1;
1.22 nicm 72:
1.9 nicm 73: if (term == NULL || *term == '\0')
1.1 nicm 74: tty->termname = xstrdup("unknown");
75: else
76: tty->termname = xstrdup(term);
1.30 nicm 77: tty->fd = fd;
78:
79: if ((path = ttyname(fd)) == NULL)
80: fatalx("ttyname failed");
81: tty->path = xstrdup(path);
1.108 nicm 82: tty->cstyle = 0;
1.107 nicm 83: tty->ccolour = xstrdup("");
1.30 nicm 84:
1.1 nicm 85: tty->flags = 0;
86: tty->term_flags = 0;
1.31 nicm 87: }
88:
1.88 nicm 89: int
1.31 nicm 90: tty_resize(struct tty *tty)
91: {
92: struct winsize ws;
1.88 nicm 93: u_int sx, sy;
1.31 nicm 94:
95: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 96: sx = ws.ws_col;
97: if (sx == 0)
98: sx = 80;
99: sy = ws.ws_row;
100: if (sy == 0)
101: sy = 24;
102: } else {
103: sx = 80;
104: sy = 24;
1.31 nicm 105: }
1.114 nicm 106: if (!tty_set_size(tty, sx, sy))
1.88 nicm 107: return (0);
1.31 nicm 108:
109: tty->cx = UINT_MAX;
110: tty->cy = UINT_MAX;
111:
112: tty->rupper = UINT_MAX;
113: tty->rlower = UINT_MAX;
1.88 nicm 114:
115: /*
116: * If the terminal has been started, reset the actual scroll region and
117: * cursor position, as this may not have happened.
118: */
119: if (tty->flags & TTY_STARTED) {
120: tty_cursor(tty, 0, 0);
121: tty_region(tty, 0, tty->sy - 1);
122: }
123:
1.114 nicm 124: return (1);
125: }
126:
127: int
128: tty_set_size(struct tty *tty, u_int sx, u_int sy) {
129: if (sx == tty->sx && sy == tty->sy)
130: return (0);
131: tty->sx = sx;
132: tty->sy = sy;
1.88 nicm 133: return (1);
1.1 nicm 134: }
135:
136: int
1.17 nicm 137: tty_open(struct tty *tty, const char *overrides, char **cause)
1.1 nicm 138: {
1.88 nicm 139: char out[64];
1.30 nicm 140: int fd;
1.1 nicm 141:
1.30 nicm 142: if (debug_level > 3) {
1.88 nicm 143: xsnprintf(out, sizeof out, "tmux-out-%ld.log", (long) getpid());
144: fd = open(out, O_WRONLY|O_CREAT|O_TRUNC, 0644);
1.30 nicm 145: if (fd != -1 && fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
146: fatal("fcntl failed");
147: tty->log_fd = fd;
1.1 nicm 148: }
149:
1.17 nicm 150: tty->term = tty_term_find(tty->termname, tty->fd, overrides, cause);
1.21 nicm 151: if (tty->term == NULL) {
152: tty_close(tty);
153: return (-1);
154: }
155: tty->flags |= TTY_OPENED;
1.1 nicm 156:
1.66 nicm 157: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_ESCAPE);
1.1 nicm 158:
1.66 nicm 159: tty->event = bufferevent_new(
1.67 nicm 160: tty->fd, tty_read_callback, NULL, tty_error_callback, tty);
1.1 nicm 161:
162: tty_start_tty(tty);
163:
164: tty_keys_init(tty);
165:
166: return (0);
167: }
168:
1.73 nicm 169: /* ARGSUSED */
1.1 nicm 170: void
1.67 nicm 171: tty_read_callback(unused struct bufferevent *bufev, void *data)
172: {
173: struct tty *tty = data;
174:
175: while (tty_keys_next(tty))
176: ;
177: }
178:
1.73 nicm 179: /* ARGSUSED */
1.67 nicm 180: void
1.66 nicm 181: tty_error_callback(
182: unused struct bufferevent *bufev, unused short what, unused void *data)
183: {
184: }
185:
186: void
1.127 nicm 187: tty_init_termios(int fd, struct termios *orig_tio, struct bufferevent *bufev)
1.1 nicm 188: {
1.128 nicm 189: struct termios tio;
1.33 nicm 190:
1.127 nicm 191: if (fd == -1 || tcgetattr(fd, orig_tio) != 0)
1.33 nicm 192: return;
1.1 nicm 193:
1.127 nicm 194: setblocking(fd, 0);
1.34 nicm 195:
1.127 nicm 196: if (bufev != NULL)
197: bufferevent_enable(bufev, EV_READ|EV_WRITE);
1.66 nicm 198:
1.127 nicm 199: memcpy(&tio, orig_tio, sizeof tio);
1.1 nicm 200: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
201: tio.c_iflag |= IGNBRK;
202: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
203: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
204: ECHOPRT|ECHOKE|ECHOCTL|ISIG);
205: tio.c_cc[VMIN] = 1;
1.60 deraadt 206: tio.c_cc[VTIME] = 0;
1.127 nicm 207: if (tcsetattr(fd, TCSANOW, &tio) == 0)
208: tcflush(fd, TCIOFLUSH);
209: }
210:
211: void
212: tty_start_tty(struct tty *tty)
213: {
214: tty_init_termios(tty->fd, &tty->tio, tty->event);
1.1 nicm 215:
1.10 nicm 216: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 217:
1.25 nicm 218: tty_putcode(tty, TTYC_SGR0);
219: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
220:
1.76 nicm 221: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 222: if (tty_use_acs(tty))
223: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 224: tty_putcode(tty, TTYC_CLEAR);
225:
226: tty_putcode(tty, TTYC_CNORM);
227: if (tty_term_has(tty->term, TTYC_KMOUS))
228: tty_puts(tty, "\033[?1000l");
1.121 nicm 229:
230: if (tty_term_has(tty->term, TTYC_XT))
231: tty_puts(tty, "\033[>c");
1.1 nicm 232:
233: tty->cx = UINT_MAX;
234: tty->cy = UINT_MAX;
235:
236: tty->rlower = UINT_MAX;
237: tty->rupper = UINT_MAX;
238:
239: tty->mode = MODE_CURSOR;
1.20 nicm 240:
241: tty->flags |= TTY_STARTED;
1.107 nicm 242:
243: tty_force_cursor_colour(tty, "");
1.1 nicm 244: }
245:
246: void
1.128 nicm 247: tty_set_version(struct tty *tty, u_int version)
248: {
249: if (tty->xterm_version != 0)
250: return;
251: tty->xterm_version = version;
252:
253: if (tty->xterm_version > 270) {
254: tty_puts(tty, "\033[65;1\"p");
255:
256: tty_putcode(tty, TTYC_RMACS);
257: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
258:
259: tty->cx = UINT_MAX;
260: tty->cy = UINT_MAX;
261:
262: tty->rupper = UINT_MAX;
263: tty->rlower = UINT_MAX;
264: }
265: }
266:
267: void
1.1 nicm 268: tty_stop_tty(struct tty *tty)
269: {
270: struct winsize ws;
271:
1.20 nicm 272: if (!(tty->flags & TTY_STARTED))
273: return;
274: tty->flags &= ~TTY_STARTED;
275:
1.66 nicm 276: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
277:
1.1 nicm 278: /*
279: * Be flexible about error handling and try not kill the server just
280: * because the fd is invalid. Things like ssh -t can easily leave us
281: * with a dead tty.
282: */
283: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
284: return;
285: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
286: return;
287:
1.103 nicm 288: setblocking(tty->fd, 1);
289:
1.1 nicm 290: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 291: if (tty_use_acs(tty))
292: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 293: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
294: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
295: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.108 nicm 296: if (tty_term_has(tty->term, TTYC_CS1) && tty->cstyle != 0) {
297: if (tty_term_has(tty->term, TTYC_CSR1))
298: tty_raw(tty, tty_term_string(tty->term, TTYC_CSR1));
1.109 nicm 299: else
1.108 nicm 300: tty_raw(tty, tty_term_string1(tty->term, TTYC_CS1, 0));
301: }
1.107 nicm 302: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 303:
304: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
305: if (tty_term_has(tty->term, TTYC_KMOUS))
306: tty_raw(tty, "\033[?1000l");
1.10 nicm 307:
308: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.128 nicm 309:
310: if (tty->xterm_version > 270)
311: tty_raw(tty, "\033[61;1\"p");
1.1 nicm 312: }
313:
314: void
1.20 nicm 315: tty_close(struct tty *tty)
1.1 nicm 316: {
317: if (tty->log_fd != -1) {
318: close(tty->log_fd);
319: tty->log_fd = -1;
320: }
321:
1.123 nicm 322: if (event_initialized(&tty->key_timer))
323: evtimer_del(&tty->key_timer);
1.20 nicm 324: tty_stop_tty(tty);
1.1 nicm 325:
1.21 nicm 326: if (tty->flags & TTY_OPENED) {
1.66 nicm 327: bufferevent_free(tty->event);
328:
1.21 nicm 329: tty_term_free(tty->term);
330: tty_keys_free(tty);
331:
332: tty->flags &= ~TTY_OPENED;
333: }
1.1 nicm 334:
1.21 nicm 335: if (tty->fd != -1) {
336: close(tty->fd);
337: tty->fd = -1;
338: }
1.1 nicm 339: }
340:
341: void
1.20 nicm 342: tty_free(struct tty *tty)
1.1 nicm 343: {
1.20 nicm 344: tty_close(tty);
1.1 nicm 345:
1.107 nicm 346: xfree(tty->ccolour);
1.1 nicm 347: if (tty->path != NULL)
348: xfree(tty->path);
349: if (tty->termname != NULL)
350: xfree(tty->termname);
351: }
352:
353: void
354: tty_raw(struct tty *tty, const char *s)
355: {
356: write(tty->fd, s, strlen(s));
357: }
358:
359: void
360: tty_putcode(struct tty *tty, enum tty_code_code code)
361: {
362: tty_puts(tty, tty_term_string(tty->term, code));
363: }
364:
365: void
366: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
367: {
368: if (a < 0)
369: return;
370: tty_puts(tty, tty_term_string1(tty->term, code, a));
371: }
372:
373: void
374: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
375: {
376: if (a < 0 || b < 0)
377: return;
378: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
379: }
380:
381: void
1.107 nicm 382: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
383: {
384: if (a != NULL)
385: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
386: }
387:
388: void
1.106 nicm 389: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a, const void *b)
390: {
391: if (a != NULL && b != NULL)
392: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
393: }
394:
395: void
1.1 nicm 396: tty_puts(struct tty *tty, const char *s)
397: {
398: if (*s == '\0')
399: return;
1.66 nicm 400: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 401:
402: if (tty->log_fd != -1)
403: write(tty->log_fd, s, strlen(s));
404: }
405:
406: void
407: tty_putc(struct tty *tty, u_char ch)
408: {
1.90 nicm 409: const char *acs;
410: u_int sx;
1.1 nicm 411:
1.90 nicm 412: if (tty->cell.attr & GRID_ATTR_CHARSET) {
413: acs = tty_acs_get(tty, ch);
414: if (acs != NULL)
415: bufferevent_write(tty->event, acs, strlen(acs));
416: else
417: bufferevent_write(tty->event, &ch, 1);
418: } else
419: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 420:
421: if (ch >= 0x20 && ch != 0x7f) {
422: sx = tty->sx;
423: if (tty->term->flags & TERM_EARLYWRAP)
424: sx--;
425:
1.46 nicm 426: if (tty->cx >= sx) {
427: tty->cx = 1;
428: if (tty->cy != tty->rlower)
429: tty->cy++;
1.1 nicm 430: } else
431: tty->cx++;
432: }
433:
434: if (tty->log_fd != -1)
435: write(tty->log_fd, &ch, 1);
436: }
437:
438: void
1.5 nicm 439: tty_pututf8(struct tty *tty, const struct grid_utf8 *gu)
440: {
1.71 nicm 441: size_t size;
1.5 nicm 442:
1.71 nicm 443: size = grid_utf8_size(gu);
444: bufferevent_write(tty->event, gu->data, size);
445: if (tty->log_fd != -1)
446: write(tty->log_fd, gu->data, size);
1.54 nicm 447: tty->cx += gu->width;
1.5 nicm 448: }
449:
450: void
1.1 nicm 451: tty_set_title(struct tty *tty, const char *title)
452: {
1.105 nicm 453: if (!tty_term_has(tty->term, TTYC_TSL) ||
454: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 455: return;
456:
1.105 nicm 457: tty_putcode(tty, TTYC_TSL);
1.1 nicm 458: tty_puts(tty, title);
1.105 nicm 459: tty_putcode(tty, TTYC_FSL);
1.1 nicm 460: }
461:
462: void
1.107 nicm 463: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
464: {
465: if (*ccolour == '\0')
466: tty_putcode(tty, TTYC_CR);
467: else
468: tty_putcode_ptr1(tty, TTYC_CC, ccolour);
469: xfree(tty->ccolour);
470: tty->ccolour = xstrdup(ccolour);
471: }
472:
473: void
474: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 475: {
476: int changed;
477:
1.107 nicm 478: if (strcmp(s->ccolour, tty->ccolour))
479: tty_force_cursor_colour(tty, s->ccolour);
480:
1.1 nicm 481: if (tty->flags & TTY_NOCURSOR)
482: mode &= ~MODE_CURSOR;
483:
484: changed = mode ^ tty->mode;
485: if (changed & MODE_CURSOR) {
486: if (mode & MODE_CURSOR)
487: tty_putcode(tty, TTYC_CNORM);
488: else
489: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 490: }
491: if (tty->cstyle != s->cstyle) {
492: if (tty_term_has(tty->term, TTYC_CS1)) {
493: if (s->cstyle == 0 &&
494: tty_term_has(tty->term, TTYC_CSR1))
495: tty_putcode(tty, TTYC_CSR1);
496: else
497: tty_putcode1(tty, TTYC_CS1, s->cstyle);
498: }
499: tty->cstyle = s->cstyle;
1.1 nicm 500: }
1.94 nicm 501: if (changed & ALL_MOUSE_MODES) {
502: if (mode & ALL_MOUSE_MODES) {
1.95 nicm 503: if (mode & MODE_MOUSE_UTF8)
504: tty_puts(tty, "\033[?1005h");
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");
1.95 nicm 518: if (tty->mode & MODE_MOUSE_UTF8)
519: tty_puts(tty, "\033[?1005l");
1.86 nicm 520: }
1.76 nicm 521: }
522: if (changed & MODE_KKEYPAD) {
523: if (mode & MODE_KKEYPAD)
524: tty_putcode(tty, TTYC_SMKX);
525: else
526: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 527: }
528: if (changed & MODE_BRACKETPASTE) {
529: if (mode & MODE_BRACKETPASTE)
530: tty_puts(tty, "\033[?2004h");
531: else
532: tty_puts(tty, "\033[?2004l");
1.1 nicm 533: }
534: tty->mode = mode;
535: }
536:
537: void
538: tty_emulate_repeat(
539: struct tty *tty, enum tty_code_code code, enum tty_code_code code1, u_int n)
540: {
541: if (tty_term_has(tty->term, code))
542: tty_putcode1(tty, code, n);
543: else {
544: while (n-- > 0)
545: tty_putcode(tty, code1);
546: }
547: }
548:
549: /*
1.119 nicm 550: * Is the region large enough to be worth redrawing once later rather than
551: * probably several times now? Currently yes if it is more than 50% of the
552: * pane.
553: */
554: int
555: tty_large_region(unused struct tty *tty, const struct tty_ctx *ctx)
556: {
557: struct window_pane *wp = ctx->wp;
558:
559: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
560: }
561:
562: /*
1.1 nicm 563: * Redraw scroll region using data from screen (already updated). Used when
564: * CSR not supported, or window is a pane that doesn't take up the full
565: * width of the terminal.
566: */
567: void
1.24 nicm 568: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 569: {
1.14 nicm 570: struct window_pane *wp = ctx->wp;
571: struct screen *s = wp->screen;
572: u_int i;
1.1 nicm 573:
574: /*
1.119 nicm 575: * If region is large, schedule a window redraw. In most cases this is
576: * likely to be followed by some more scrolling.
1.1 nicm 577: */
1.119 nicm 578: if (tty_large_region(tty, ctx)) {
1.1 nicm 579: wp->flags |= PANE_REDRAW;
580: return;
581: }
582:
1.14 nicm 583: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
584: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.113 nicm 585: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 586: } else {
1.14 nicm 587: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.113 nicm 588: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 589: }
590: }
591:
592: void
593: tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
594: {
595: const struct grid_cell *gc;
1.46 nicm 596: struct grid_line *gl;
1.16 nicm 597: struct grid_cell tmpgc;
1.1 nicm 598: const struct grid_utf8 *gu;
599: u_int i, sx;
600:
1.107 nicm 601: tty_update_mode(tty, tty->mode & ~MODE_CURSOR, s);
1.35 nicm 602:
1.1 nicm 603: sx = screen_size_x(s);
1.19 nicm 604: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
605: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 606: if (sx > tty->sx)
607: sx = tty->sx;
608:
1.46 nicm 609: /*
610: * Don't move the cursor to the start permission if it will wrap there
1.50 nicm 611: * itself.
1.46 nicm 612: */
613: gl = NULL;
614: if (py != 0)
615: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 616: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 617: tty->cx < tty->sx || ox != 0 ||
618: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 619: tty_cursor(tty, ox, oy + py);
620:
1.1 nicm 621: for (i = 0; i < sx; i++) {
622: gc = grid_view_peek_cell(s->grid, i, py);
623:
624: gu = NULL;
625: if (gc->flags & GRID_FLAG_UTF8)
626: gu = grid_view_peek_utf8(s->grid, i, py);
627:
628: if (screen_check_selection(s, i, py)) {
1.16 nicm 629: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
630: tmpgc.data = gc->data;
1.77 nicm 631: tmpgc.flags = gc->flags &
1.38 nicm 632: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
633: tmpgc.flags |= s->sel.cell.flags &
634: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.16 nicm 635: tty_cell(tty, &tmpgc, gu);
1.1 nicm 636: } else
637: tty_cell(tty, gc, gu);
638: }
639:
1.35 nicm 640: if (sx >= tty->sx) {
1.107 nicm 641: tty_update_mode(tty, tty->mode, s);
1.1 nicm 642: return;
1.35 nicm 643: }
1.1 nicm 644: tty_reset(tty);
645:
1.41 nicm 646: tty_cursor(tty, ox + sx, oy + py);
1.126 nicm 647: if (sx != screen_size_x(s) && ox + screen_size_x(s) >= tty->sx &&
1.117 nicm 648: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 649: tty_putcode(tty, TTYC_EL);
650: else {
651: for (i = sx; i < screen_size_x(s); i++)
652: tty_putc(tty, ' ');
1.15 nicm 653: }
1.107 nicm 654: tty_update_mode(tty, tty->mode, s);
1.15 nicm 655: }
656:
657: void
1.113 nicm 658: tty_write(
659: void (*cmdfn)(struct tty *, const struct tty_ctx *), struct tty_ctx *ctx)
1.15 nicm 660: {
661: struct window_pane *wp = ctx->wp;
662: struct client *c;
1.113 nicm 663: struct session *s;
664: struct options *oo;
1.15 nicm 665: u_int i;
666:
1.75 nicm 667: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 668: if (wp == NULL)
669: return;
670:
671: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
672: return;
1.129 nicm 673: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 674: return;
675:
676: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
677: c = ARRAY_ITEM(&clients, i);
678: if (c == NULL || c->session == NULL)
679: continue;
680: if (c->flags & CLIENT_SUSPENDED)
681: continue;
1.113 nicm 682: s = c->session;
1.15 nicm 683:
1.113 nicm 684: if (s->curw->window == wp->window) {
1.89 nicm 685: if (c->tty.term == NULL)
686: continue;
1.116 nicm 687: if (c->tty.flags & TTY_FREEZE)
1.15 nicm 688: continue;
1.113 nicm 689: oo = &s->options;
690:
691: ctx->xoff = wp->xoff;
692: ctx->yoff = wp->yoff;
693: if (status_at_line(c) == 0)
694: ctx->yoff++;
695:
1.15 nicm 696: cmdfn(&c->tty, ctx);
697: }
1.1 nicm 698: }
699: }
700:
701: void
1.130 nicm 702: tty_cra_pane(struct tty *tty, const struct tty_ctx *ctx,
703: u_int t, u_int l, u_int b, u_int r, u_int tt, u_int tl)
704: {
705: char tmp[64];
706:
707: snprintf(tmp, sizeof tmp,
708: "\033[%u;%u;%u;%u;1;%u;%u;1$v",
709: ctx->yoff + t + 1,
710: ctx->xoff + l + 1,
711: ctx->yoff + b + 1,
712: ctx->xoff + r + 1,
713: ctx->yoff + tt + 1,
714: ctx->xoff + tl + 1);
715: tty_puts(tty, tmp);
716: }
717:
718: void
719: tty_era_pane(struct tty *tty, const struct tty_ctx *ctx,
720: u_int t, u_int l, u_int b, u_int r)
721: {
722: char tmp[64];
723:
724: snprintf(tmp, sizeof tmp,
725: "\033[%u;%u;%u;%u$z",
726: ctx->yoff + t + 1,
727: ctx->xoff + l + 1,
728: ctx->yoff + b + 1,
729: ctx->xoff + r + 1);
730: tty_puts(tty, tmp);
731: }
732:
733: void
1.24 nicm 734: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 735: {
1.77 nicm 736: struct window_pane *wp = ctx->wp;
1.12 nicm 737: struct screen *s = wp->screen;
1.24 nicm 738: u_int i;
1.1 nicm 739:
1.113 nicm 740: if (ctx->xoff != 0 || screen_size_x(s) < tty->sx) {
741: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 742: return;
743: }
744:
745: tty_reset(tty);
746:
1.77 nicm 747: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 748:
1.1 nicm 749: if (tty_term_has(tty->term, TTYC_ICH) ||
750: tty_term_has(tty->term, TTYC_ICH1))
1.12 nicm 751: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.77 nicm 752: else if (tty_term_has(tty->term, TTYC_SMIR) &&
1.72 nicm 753: tty_term_has(tty->term, TTYC_RMIR)) {
1.1 nicm 754: tty_putcode(tty, TTYC_SMIR);
1.24 nicm 755: for (i = 0; i < ctx->num; i++)
1.1 nicm 756: tty_putc(tty, ' ');
757: tty_putcode(tty, TTYC_RMIR);
1.72 nicm 758: } else
1.113 nicm 759: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 760: }
761:
762: void
1.24 nicm 763: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 764: {
1.77 nicm 765: struct window_pane *wp = ctx->wp;
1.12 nicm 766: struct screen *s = wp->screen;
1.1 nicm 767:
1.113 nicm 768: if (ctx->xoff != 0 || screen_size_x(s) < tty->sx ||
1.26 nicm 769: (!tty_term_has(tty->term, TTYC_DCH) &&
770: !tty_term_has(tty->term, TTYC_DCH1))) {
1.113 nicm 771: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 772: return;
773: }
774:
775: tty_reset(tty);
776:
1.77 nicm 777: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 778:
1.26 nicm 779: if (tty_term_has(tty->term, TTYC_DCH) ||
780: tty_term_has(tty->term, TTYC_DCH1))
781: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.1 nicm 782: }
783:
784: void
1.24 nicm 785: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 786: {
1.132 ! nicm 787: if (!tty_pane_full_width(tty, ctx) ||
1.77 nicm 788: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 789: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 790: tty_redraw_region(tty, ctx);
1.1 nicm 791: return;
792: }
793:
794: tty_reset(tty);
795:
1.77 nicm 796: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
797: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 798:
1.12 nicm 799: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 800: }
801:
802: void
1.24 nicm 803: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 804: {
1.132 ! nicm 805: if (!tty_pane_full_width(tty, ctx) ||
1.72 nicm 806: !tty_term_has(tty->term, TTYC_CSR) ||
807: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 808: tty_redraw_region(tty, ctx);
1.1 nicm 809: return;
810: }
811:
812: tty_reset(tty);
813:
1.77 nicm 814: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
815: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 816:
1.12 nicm 817: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 818: }
819:
820: void
1.24 nicm 821: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 822: {
1.77 nicm 823: struct window_pane *wp = ctx->wp;
1.12 nicm 824: struct screen *s = wp->screen;
825: u_int i;
1.1 nicm 826:
827: tty_reset(tty);
828:
1.77 nicm 829: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 830:
1.132 ! nicm 831: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.1 nicm 832: tty_putcode(tty, TTYC_EL);
833: } else {
834: for (i = 0; i < screen_size_x(s); i++)
835: tty_putc(tty, ' ');
836: }
837: }
838:
839: void
1.24 nicm 840: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 841: {
1.77 nicm 842: struct window_pane *wp = ctx->wp;
1.12 nicm 843: struct screen *s = wp->screen;
844: u_int i;
1.1 nicm 845:
846: tty_reset(tty);
847:
1.41 nicm 848: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
849:
1.132 ! nicm 850: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL))
1.1 nicm 851: tty_putcode(tty, TTYC_EL);
852: else {
1.14 nicm 853: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 854: tty_putc(tty, ' ');
855: }
856: }
857:
858: void
1.24 nicm 859: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 860: {
1.113 nicm 861: u_int i;
1.1 nicm 862:
863: tty_reset(tty);
864:
1.113 nicm 865: if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1.41 nicm 866: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 867: tty_putcode(tty, TTYC_EL1);
868: } else {
1.41 nicm 869: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.14 nicm 870: for (i = 0; i < ctx->ocx + 1; i++)
1.1 nicm 871: tty_putc(tty, ' ');
872: }
873: }
874:
875: void
1.24 nicm 876: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 877: {
1.56 nicm 878: if (ctx->ocy != ctx->orupper)
879: return;
880:
1.132 ! nicm 881: if (!tty_pane_full_width(tty, ctx) ||
1.70 nicm 882: !tty_term_has(tty->term, TTYC_CSR) ||
883: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 884: tty_redraw_region(tty, ctx);
1.1 nicm 885: return;
886: }
887:
1.56 nicm 888: tty_reset(tty);
1.77 nicm 889:
1.56 nicm 890: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
891: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 892:
1.56 nicm 893: tty_putcode(tty, TTYC_RI);
1.1 nicm 894: }
895:
896: void
1.24 nicm 897: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 898: {
1.77 nicm 899: struct window_pane *wp = ctx->wp;
1.12 nicm 900: struct screen *s = wp->screen;
1.1 nicm 901:
1.56 nicm 902: if (ctx->ocy != ctx->orlower)
903: return;
904:
1.132 ! nicm 905: if (!tty_pane_full_width(tty, ctx) ||
1.1 nicm 906: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 907: if (tty_large_region(tty, ctx))
908: wp->flags |= PANE_REDRAW;
1.130 nicm 909: else if (tty_use_rect(tty)) {
910: tty_cra_pane (tty, ctx, ctx->orupper + 1, 0,
911: ctx->orlower, screen_size_x(s) - 1,
912: ctx->orupper, 0);
1.128 nicm 913: tty_cmd_clearline(tty, ctx);
914: } else
915: tty_redraw_region(tty, ctx);
1.1 nicm 916: return;
917: }
1.52 nicm 918:
919: /*
920: * If this line wrapped naturally (ctx->num is nonzero), don't do
921: * anything - the cursor can just be moved to the last cell and wrap
922: * naturally.
923: */
924: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
925: return;
1.1 nicm 926:
1.56 nicm 927: tty_reset(tty);
1.77 nicm 928:
1.56 nicm 929: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
930: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 931:
1.56 nicm 932: tty_putc(tty, '\n');
1.1 nicm 933: }
934:
935: void
1.24 nicm 936: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 937: {
1.77 nicm 938: struct window_pane *wp = ctx->wp;
1.12 nicm 939: struct screen *s = wp->screen;
940: u_int i, j;
1.1 nicm 941:
942: tty_reset(tty);
943:
1.39 nicm 944: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 945: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 946:
1.132 ! nicm 947: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.1 nicm 948: tty_putcode(tty, TTYC_EL);
1.14 nicm 949: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 950: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 951: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 952: tty_putcode(tty, TTYC_EL);
953: if (i == screen_size_y(s) - 1)
954: continue;
955: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
956: tty->cy++;
957: }
958: }
959: } else {
1.14 nicm 960: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 961: tty_putc(tty, ' ');
1.68 nicm 962: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 963: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 964: for (i = 0; i < screen_size_x(s); i++)
965: tty_putc(tty, ' ');
966: }
967: }
968: }
969:
970: void
1.24 nicm 971: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 972: {
1.77 nicm 973: struct window_pane *wp = ctx->wp;
1.12 nicm 974: struct screen *s = wp->screen;
975: u_int i, j;
1.1 nicm 976:
977: tty_reset(tty);
978:
1.39 nicm 979: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 980: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 981:
1.132 ! nicm 982: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.14 nicm 983: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 984: tty_putcode(tty, TTYC_EL);
985: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
986: tty->cy++;
987: }
988: } else {
1.14 nicm 989: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 990: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 991: for (i = 0; i < screen_size_x(s); i++)
992: tty_putc(tty, ' ');
993: }
994: }
1.14 nicm 995: for (i = 0; i <= ctx->ocx; i++)
1.1 nicm 996: tty_putc(tty, ' ');
997: }
998:
999: void
1.24 nicm 1000: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1001: {
1.77 nicm 1002: struct window_pane *wp = ctx->wp;
1.12 nicm 1003: struct screen *s = wp->screen;
1004: u_int i, j;
1.1 nicm 1005:
1006: tty_reset(tty);
1007:
1.39 nicm 1008: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 1009: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 1010:
1.132 ! nicm 1011: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.1 nicm 1012: for (i = 0; i < screen_size_y(s); i++) {
1013: tty_putcode(tty, TTYC_EL);
1014: if (i != screen_size_y(s) - 1) {
1015: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1016: tty->cy++;
1017: }
1018: }
1019: } else {
1020: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1021: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 1022: for (i = 0; i < screen_size_x(s); i++)
1023: tty_putc(tty, ' ');
1024: }
1.4 nicm 1025: }
1026: }
1027:
1028: void
1.24 nicm 1029: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1030: {
1.12 nicm 1031: struct window_pane *wp = ctx->wp;
1032: struct screen *s = wp->screen;
1033: u_int i, j;
1.4 nicm 1034:
1035: tty_reset(tty);
1036:
1.39 nicm 1037: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 1038:
1039: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1040: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1041: for (i = 0; i < screen_size_x(s); i++)
1042: tty_putc(tty, 'E');
1.1 nicm 1043: }
1044: }
1045:
1046: void
1.24 nicm 1047: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1048: {
1.46 nicm 1049: struct window_pane *wp = ctx->wp;
1050: struct screen *s = wp->screen;
1.58 nicm 1051: u_int cx;
1.102 nicm 1052: u_int width;
1053: const struct grid_cell *gc = ctx->cell;
1054: const struct grid_utf8 *gu = ctx->utf8;
1055:
1056: if (gc->flags & GRID_FLAG_UTF8)
1057: width = gu->width;
1058: else
1059: width = 1;
1.46 nicm 1060:
1061: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1062:
1.57 nicm 1063: /* Is the cursor in the very last position? */
1.102 nicm 1064: if (ctx->ocx > wp->sx - width) {
1.113 nicm 1065: if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57 nicm 1066: /*
1067: * The pane doesn't fill the entire line, the linefeed
1068: * will already have happened, so just move the cursor.
1069: */
1.125 nicm 1070: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 1071: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1072: else
1073: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.57 nicm 1074: } else if (tty->cx < tty->sx) {
1075: /*
1076: * The cursor isn't in the last position already, so
1.102 nicm 1077: * move as far left as possible and redraw the last
1.57 nicm 1078: * cell to move into the last position.
1079: */
1.111 nicm 1080: if (ctx->last_cell.flags & GRID_FLAG_UTF8)
1081: cx = screen_size_x(s) - ctx->last_utf8.width;
1082: else
1083: cx = screen_size_x(s) - 1;
1.50 nicm 1084: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1085: tty_cell(tty, &ctx->last_cell, &ctx->last_utf8);
1086: }
1087: } else
1.46 nicm 1088: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1089:
1.12 nicm 1090: tty_cell(tty, ctx->cell, ctx->utf8);
1.1 nicm 1091: }
1092:
1093: void
1.24 nicm 1094: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1095: {
1.53 nicm 1096: struct window_pane *wp = ctx->wp;
1.1 nicm 1097:
1.53 nicm 1098: /*
1099: * Cannot rely on not being a partial character, so just redraw the
1100: * whole line.
1101: */
1.113 nicm 1102: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1103: }
1104:
1105: void
1106: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1107: {
1108: char *buf;
1109: size_t off;
1110:
1111: if (!tty_term_has(tty->term, TTYC_MS))
1112: return;
1113:
1114: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1115: buf = xmalloc(off);
1116:
1117: b64_ntop(ctx->ptr, ctx->num, buf, off);
1118: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1119:
1120: xfree(buf);
1.100 nicm 1121: }
1122:
1123: void
1124: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1125: {
1126: u_int i;
1127: u_char *str = ctx->ptr;
1128:
1129: for (i = 0; i < ctx->num; i++)
1130: tty_putc(tty, str[i]);
1.1 nicm 1131: }
1132:
1133: void
1134: tty_cell(
1135: struct tty *tty, const struct grid_cell *gc, const struct grid_utf8 *gu)
1136: {
1137: u_int i;
1138:
1139: /* Skip last character if terminal is stupid. */
1140: if (tty->term->flags & TERM_EARLYWRAP &&
1141: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
1142: return;
1143:
1144: /* If this is a padding character, do nothing. */
1145: if (gc->flags & GRID_FLAG_PADDING)
1146: return;
1147:
1148: /* Set the attributes. */
1149: tty_attributes(tty, gc);
1150:
1151: /* If not UTF-8, write directly. */
1152: if (!(gc->flags & GRID_FLAG_UTF8)) {
1153: if (gc->data < 0x20 || gc->data == 0x7f)
1154: return;
1155: tty_putc(tty, gc->data);
1156: return;
1157: }
1158:
1159: /* If the terminal doesn't support UTF-8, write underscores. */
1160: if (!(tty->flags & TTY_UTF8)) {
1161: for (i = 0; i < gu->width; i++)
1162: tty_putc(tty, '_');
1163: return;
1164: }
1165:
1166: /* Otherwise, write UTF-8. */
1.5 nicm 1167: tty_pututf8(tty, gu);
1.1 nicm 1168: }
1169:
1170: void
1171: tty_reset(struct tty *tty)
1172: {
1173: struct grid_cell *gc = &tty->cell;
1174:
1175: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
1176: return;
1177:
1.90 nicm 1178: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1179: tty_putcode(tty, TTYC_RMACS);
1180: tty_putcode(tty, TTYC_SGR0);
1181: memcpy(gc, &grid_default_cell, sizeof *gc);
1182: }
1183:
1.40 nicm 1184: /* Set region inside pane. */
1.1 nicm 1185: void
1.39 nicm 1186: tty_region_pane(
1187: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 1188: {
1.113 nicm 1189: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1190: }
1191:
1.40 nicm 1192: /* Set region at absolute position. */
1.39 nicm 1193: void
1.40 nicm 1194: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1195: {
1196: if (tty->rlower == rlower && tty->rupper == rupper)
1197: return;
1.1 nicm 1198: if (!tty_term_has(tty->term, TTYC_CSR))
1199: return;
1.39 nicm 1200:
1201: tty->rupper = rupper;
1202: tty->rlower = rlower;
1.55 nicm 1203:
1204: /*
1205: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1206: * 0,0 if it is beyond the last column (they do not reset their wrap
1207: * flag so further output causes a line feed). As a workaround, do an
1208: * explicit move to 0 first.
1209: */
1210: if (tty->cx >= tty->sx)
1211: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1212:
1.39 nicm 1213: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1214: tty_cursor(tty, 0, 0);
1.1 nicm 1215: }
1216:
1.42 nicm 1217: /* Move cursor inside pane. */
1.1 nicm 1218: void
1.41 nicm 1219: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1220: {
1.113 nicm 1221: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1222: }
1223:
1.42 nicm 1224: /* Move cursor to absolute position. */
1.41 nicm 1225: void
1226: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1227: {
1.42 nicm 1228: struct tty_term *term = tty->term;
1229: u_int thisx, thisy;
1230: int change;
1.77 nicm 1231:
1.42 nicm 1232: if (cx > tty->sx - 1)
1233: cx = tty->sx - 1;
1234:
1235: thisx = tty->cx;
1236: thisy = tty->cy;
1237:
1238: /* No change. */
1239: if (cx == thisx && cy == thisy)
1240: return;
1241:
1.43 nicm 1242: /* Very end of the line, just use absolute movement. */
1243: if (thisx > tty->sx - 1)
1244: goto absolute;
1245:
1.42 nicm 1246: /* Move to home position (0, 0). */
1247: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1248: tty_putcode(tty, TTYC_HOME);
1249: goto out;
1250: }
1251:
1252: /* Zero on the next line. */
1.48 nicm 1253: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1254: tty_putc(tty, '\r');
1.42 nicm 1255: tty_putc(tty, '\n');
1256: goto out;
1257: }
1258:
1.45 nicm 1259: /* Moving column or row. */
1.42 nicm 1260: if (cy == thisy) {
1.45 nicm 1261: /*
1262: * Moving column only, row staying the same.
1263: */
1264:
1.42 nicm 1265: /* To left edge. */
1266: if (cx == 0) {
1267: tty_putc(tty, '\r');
1268: goto out;
1269: }
1270:
1271: /* One to the left. */
1272: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1273: tty_putcode(tty, TTYC_CUB1);
1274: goto out;
1275: }
1276:
1277: /* One to the right. */
1278: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1279: tty_putcode(tty, TTYC_CUF1);
1280: goto out;
1281: }
1282:
1283: /* Calculate difference. */
1284: change = thisx - cx; /* +ve left, -ve right */
1285:
1286: /*
1287: * Use HPA if change is larger than absolute, otherwise move
1288: * the cursor with CUB/CUF.
1289: */
1.87 nicm 1290: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1291: tty_putcode1(tty, TTYC_HPA, cx);
1292: goto out;
1293: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1294: tty_putcode1(tty, TTYC_CUB, change);
1295: goto out;
1296: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1297: tty_putcode1(tty, TTYC_CUF, -change);
1298: goto out;
1299: }
1.45 nicm 1300: } else if (cx == thisx) {
1301: /*
1302: * Moving row only, column staying the same.
1303: */
1.42 nicm 1304:
1305: /* One above. */
1.77 nicm 1306: if (thisy != tty->rupper &&
1.42 nicm 1307: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1308: tty_putcode(tty, TTYC_CUU1);
1309: goto out;
1310: }
1311:
1312: /* One below. */
1.49 nicm 1313: if (thisy != tty->rlower &&
1.42 nicm 1314: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1315: tty_putcode(tty, TTYC_CUD1);
1316: goto out;
1317: }
1318:
1319: /* Calculate difference. */
1320: change = thisy - cy; /* +ve up, -ve down */
1321:
1322: /*
1.77 nicm 1323: * Try to use VPA if change is larger than absolute or if this
1324: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1325: */
1.87 nicm 1326: if ((u_int) abs(change) > cy ||
1.42 nicm 1327: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1328: (change > 0 && cy - change < tty->rupper)) {
1329: if (tty_term_has(term, TTYC_VPA)) {
1330: tty_putcode1(tty, TTYC_VPA, cy);
1331: goto out;
1332: }
1.42 nicm 1333: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1334: tty_putcode1(tty, TTYC_CUU, change);
1335: goto out;
1336: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1337: tty_putcode1(tty, TTYC_CUD, -change);
1338: goto out;
1339: }
1340: }
1341:
1.43 nicm 1342: absolute:
1.42 nicm 1343: /* Absolute movement. */
1344: tty_putcode2(tty, TTYC_CUP, cy, cx);
1345:
1346: out:
1347: tty->cx = cx;
1348: tty->cy = cy;
1.1 nicm 1349: }
1350:
1351: void
1352: tty_attributes(struct tty *tty, const struct grid_cell *gc)
1353: {
1.63 nicm 1354: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1355: u_char changed;
1.61 nicm 1356:
1.85 nicm 1357: memcpy(&gc2, gc, sizeof gc2);
1.63 nicm 1358:
1.18 nicm 1359: /*
1360: * If no setab, try to use the reverse attribute as a best-effort for a
1361: * non-default background. This is a bit of a hack but it doesn't do
1362: * any serious harm and makes a couple of applications happier.
1363: */
1364: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1365: if (gc2.attr & GRID_ATTR_REVERSE) {
1366: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1367: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1368: } else {
1.85 nicm 1369: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1370: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1371: }
1372: }
1.1 nicm 1373:
1.85 nicm 1374: /* Fix up the colours if necessary. */
1375: tty_check_fg(tty, &gc2);
1376: tty_check_bg(tty, &gc2);
1377:
1.64 nicm 1378: /* If any bits are being cleared, reset everything. */
1.85 nicm 1379: if (tc->attr & ~gc2.attr)
1.64 nicm 1380: tty_reset(tty);
1381:
1382: /*
1383: * Set the colours. This may call tty_reset() (so it comes next) and
1384: * may add to (NOT remove) the desired attributes by changing new_attr.
1385: */
1.85 nicm 1386: tty_colours(tty, &gc2);
1.64 nicm 1387:
1.1 nicm 1388: /* Filter out attribute bits already set. */
1.85 nicm 1389: changed = gc2.attr & ~tc->attr;
1390: tc->attr = gc2.attr;
1.1 nicm 1391:
1392: /* Set the attributes. */
1393: if (changed & GRID_ATTR_BRIGHT)
1394: tty_putcode(tty, TTYC_BOLD);
1395: if (changed & GRID_ATTR_DIM)
1396: tty_putcode(tty, TTYC_DIM);
1397: if (changed & GRID_ATTR_ITALICS)
1.104 nicm 1398: {
1399: if (tty_term_has(tty->term, TTYC_SITM))
1400: tty_putcode(tty, TTYC_SITM);
1401: else
1402: tty_putcode(tty, TTYC_SMSO);
1403: }
1.1 nicm 1404: if (changed & GRID_ATTR_UNDERSCORE)
1405: tty_putcode(tty, TTYC_SMUL);
1406: if (changed & GRID_ATTR_BLINK)
1407: tty_putcode(tty, TTYC_BLINK);
1408: if (changed & GRID_ATTR_REVERSE) {
1409: if (tty_term_has(tty->term, TTYC_REV))
1410: tty_putcode(tty, TTYC_REV);
1411: else if (tty_term_has(tty->term, TTYC_SMSO))
1412: tty_putcode(tty, TTYC_SMSO);
1413: }
1414: if (changed & GRID_ATTR_HIDDEN)
1415: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1416: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1417: tty_putcode(tty, TTYC_SMACS);
1418: }
1419:
1.61 nicm 1420: void
1.85 nicm 1421: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1422: {
1.61 nicm 1423: struct grid_cell *tc = &tty->cell;
1.62 nicm 1424: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1425: int have_ax, fg_default, bg_default;
1.61 nicm 1426:
1427: /* No changes? Nothing is necessary. */
1.62 nicm 1428: if (fg == tc->fg && bg == tc->bg &&
1429: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1430: return;
1.1 nicm 1431:
1.61 nicm 1432: /*
1433: * Is either the default colour? This is handled specially because the
1434: * best solution might be to reset both colours to default, in which
1435: * case if only one is default need to fall onward to set the other
1436: * colour.
1437: */
1.62 nicm 1438: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1439: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1440: if (fg_default || bg_default) {
1441: /*
1442: * If don't have AX but do have op, send sgr0 (op can't
1443: * actually be used because it is sometimes the same as sgr0
1444: * and sometimes isn't). This resets both colours to default.
1445: *
1446: * Otherwise, try to set the default colour only as needed.
1447: */
1448: have_ax = tty_term_has(tty->term, TTYC_AX);
1449: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1450: tty_reset(tty);
1451: else {
1452: if (fg_default &&
1.81 nicm 1453: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1454: if (have_ax)
1455: tty_puts(tty, "\033[39m");
1.81 nicm 1456: else if (tc->fg != 7 ||
1457: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1458: tty_putcode1(tty, TTYC_SETAF, 7);
1459: tc->fg = 8;
1460: tc->flags &= ~GRID_FLAG_FG256;
1461: }
1462: if (bg_default &&
1.81 nicm 1463: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1464: if (have_ax)
1.61 nicm 1465: tty_puts(tty, "\033[49m");
1.81 nicm 1466: else if (tc->bg != 0 ||
1467: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1468: tty_putcode1(tty, TTYC_SETAB, 0);
1469: tc->bg = 8;
1470: tc->flags &= ~GRID_FLAG_BG256;
1471: }
1472: }
1473: }
1.1 nicm 1474:
1.61 nicm 1475: /* Set the foreground colour. */
1476: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1477: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 nicm 1478: tty_colours_fg(tty, gc);
1.1 nicm 1479:
1.61 nicm 1480: /*
1481: * Set the background colour. This must come after the foreground as
1482: * tty_colour_fg() can call tty_reset().
1483: */
1484: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1485: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1486: tty_colours_bg(tty, gc);
1.1 nicm 1487: }
1488:
1489: void
1.85 nicm 1490: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1491: {
1492: u_int colours;
1493:
1494: /* Is this a 256-colour colour? */
1495: if (gc->flags & GRID_FLAG_FG256) {
1496: /* And not a 256 colour mode? */
1497: if (!(tty->term->flags & TERM_88COLOURS) &&
1498: !(tty->term_flags & TERM_88COLOURS) &&
1499: !(tty->term->flags & TERM_256COLOURS) &&
1500: !(tty->term_flags & TERM_256COLOURS)) {
1501: gc->fg = colour_256to16(gc->fg);
1502: if (gc->fg & 8) {
1503: gc->fg &= 7;
1504: gc->attr |= GRID_ATTR_BRIGHT;
1505: } else
1506: gc->attr &= ~GRID_ATTR_BRIGHT;
1507: gc->flags &= ~GRID_FLAG_FG256;
1508: }
1509: return;
1510: }
1511:
1512: /* Is this an aixterm colour? */
1513: colours = tty_term_number(tty->term, TTYC_COLORS);
1514: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1515: gc->fg -= 90;
1516: gc->attr |= GRID_ATTR_BRIGHT;
1517: }
1518: }
1519:
1520: void
1521: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1522: {
1523: u_int colours;
1524:
1525: /* Is this a 256-colour colour? */
1526: if (gc->flags & GRID_FLAG_BG256) {
1527: /*
1528: * And not a 256 colour mode? Translate to 16-colour
1529: * palette. Bold background doesn't exist portably, so just
1530: * discard the bold bit if set.
1531: */
1532: if (!(tty->term->flags & TERM_88COLOURS) &&
1533: !(tty->term_flags & TERM_88COLOURS) &&
1534: !(tty->term->flags & TERM_256COLOURS) &&
1535: !(tty->term_flags & TERM_256COLOURS)) {
1536: gc->bg = colour_256to16(gc->bg);
1537: if (gc->bg & 8)
1538: gc->bg &= 7;
1539: gc->attr &= ~GRID_ATTR_BRIGHT;
1540: gc->flags &= ~GRID_FLAG_BG256;
1541: }
1542: return;
1543: }
1544:
1545: /* Is this an aixterm colour? */
1546: colours = tty_term_number(tty->term, TTYC_COLORS);
1.112 nicm 1547: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16) {
1.85 nicm 1548: gc->bg -= 90;
1549: gc->attr |= GRID_ATTR_BRIGHT;
1550: }
1551: }
1552:
1553: void
1554: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1555: {
1.61 nicm 1556: struct grid_cell *tc = &tty->cell;
1557: u_char fg = gc->fg;
1.79 nicm 1558: char s[32];
1.1 nicm 1559:
1.61 nicm 1560: /* Is this a 256-colour colour? */
1.1 nicm 1561: if (gc->flags & GRID_FLAG_FG256) {
1.61 nicm 1562: /* Try as 256 colours or translating to 88. */
1.1 nicm 1563: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1564: goto save_fg;
1.1 nicm 1565: if (tty_try_88(tty, fg, "38") == 0)
1.61 nicm 1566: goto save_fg;
1.85 nicm 1567: /* Else already handled by tty_check_fg. */
1568: return;
1.1 nicm 1569: }
1570:
1.79 nicm 1571: /* Is this an aixterm bright colour? */
1572: if (fg >= 90 && fg <= 97) {
1.85 nicm 1573: xsnprintf(s, sizeof s, "\033[%dm", fg);
1574: tty_puts(tty, s);
1575: goto save_fg;
1.79 nicm 1576: }
1577:
1.61 nicm 1578: /* Otherwise set the foreground colour. */
1579: tty_putcode1(tty, TTYC_SETAF, fg);
1580:
1.77 nicm 1581: save_fg:
1.61 nicm 1582: /* Save the new values in the terminal current cell. */
1583: tc->fg = fg;
1584: tc->flags &= ~GRID_FLAG_FG256;
1585: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1586: }
1587:
1588: void
1.73 nicm 1589: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1590: {
1.61 nicm 1591: struct grid_cell *tc = &tty->cell;
1592: u_char bg = gc->bg;
1.79 nicm 1593: char s[32];
1.1 nicm 1594:
1.61 nicm 1595: /* Is this a 256-colour colour? */
1.1 nicm 1596: if (gc->flags & GRID_FLAG_BG256) {
1.61 nicm 1597: /* Try as 256 colours or translating to 88. */
1.1 nicm 1598: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1599: goto save_bg;
1.1 nicm 1600: if (tty_try_88(tty, bg, "48") == 0)
1.61 nicm 1601: goto save_bg;
1.85 nicm 1602: /* Else already handled by tty_check_bg. */
1603: return;
1.79 nicm 1604: }
1605:
1606: /* Is this an aixterm bright colour? */
1.112 nicm 1607: if (bg >= 90 && bg <= 97) {
1.79 nicm 1608: /* 16 colour terminals or above only. */
1609: if (tty_term_number(tty->term, TTYC_COLORS) >= 16) {
1.112 nicm 1610: xsnprintf(s, sizeof s, "\033[%dm", bg + 10);
1.79 nicm 1611: tty_puts(tty, s);
1612: goto save_bg;
1613: }
1.112 nicm 1614: bg -= 90;
1.79 nicm 1615: /* no such thing as a bold background */
1.1 nicm 1616: }
1617:
1.61 nicm 1618: /* Otherwise set the background colour. */
1619: tty_putcode1(tty, TTYC_SETAB, bg);
1620:
1621: save_bg:
1622: /* Save the new values in the terminal current cell. */
1623: tc->bg = bg;
1624: tc->flags &= ~GRID_FLAG_BG256;
1625: tc->flags |= gc->flags & GRID_FLAG_BG256;
1626: }
1627:
1628: int
1629: tty_try_256(struct tty *tty, u_char colour, const char *type)
1630: {
1631: char s[32];
1632:
1633: if (!(tty->term->flags & TERM_256COLOURS) &&
1634: !(tty->term_flags & TERM_256COLOURS))
1635: return (-1);
1636:
1637: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1638: tty_puts(tty, s);
1639: return (0);
1640: }
1641:
1642: int
1643: tty_try_88(struct tty *tty, u_char colour, const char *type)
1644: {
1645: char s[32];
1646:
1647: if (!(tty->term->flags & TERM_88COLOURS) &&
1648: !(tty->term_flags & TERM_88COLOURS))
1649: return (-1);
1650: colour = colour_256to88(colour);
1651:
1652: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1653: tty_puts(tty, s);
1654: return (0);
1.110 nicm 1655: }
1656:
1657: void
1658: tty_bell(struct tty *tty)
1659: {
1660: tty_putcode(tty, TTYC_BEL);
1.1 nicm 1661: }
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