Annotation of src/usr.bin/tmux/tty.c, Revision 1.164
1.164 ! nicm 1: /* $OpenBSD: tty.c,v 1.163 2013/10/20 09:37:50 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/ioctl.h>
21:
1.106 nicm 22: #include <netinet/in.h>
23:
1.1 nicm 24: #include <errno.h>
25: #include <fcntl.h>
1.106 nicm 26: #include <resolv.h>
1.42 nicm 27: #include <stdlib.h>
1.1 nicm 28: #include <string.h>
29: #include <termios.h>
30: #include <unistd.h>
31:
32: #include "tmux.h"
33:
1.67 nicm 34: void tty_read_callback(struct bufferevent *, void *);
1.66 nicm 35: void tty_error_callback(struct bufferevent *, short, void *);
36:
1.1 nicm 37: int tty_try_256(struct tty *, u_char, const char *);
38:
1.85 nicm 39: void tty_colours(struct tty *, const struct grid_cell *);
40: void tty_check_fg(struct tty *, struct grid_cell *);
41: void tty_check_bg(struct tty *, struct grid_cell *);
42: void tty_colours_fg(struct tty *, const struct grid_cell *);
1.73 nicm 43: void tty_colours_bg(struct tty *, const struct grid_cell *);
1.1 nicm 44:
1.120 nicm 45: int tty_large_region(struct tty *, const struct tty_ctx *);
1.24 nicm 46: void tty_redraw_region(struct tty *, const struct tty_ctx *);
1.13 nicm 47: void tty_emulate_repeat(
48: struct tty *, enum tty_code_code, enum tty_code_code, u_int);
1.133 nicm 49: void tty_repeat_space(struct tty *, u_int);
1.147 nicm 50: void tty_cell(struct tty *, const struct grid_cell *);
1.1 nicm 51:
1.90 nicm 52: #define tty_use_acs(tty) \
1.131 nicm 53: (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.90 nicm 54:
1.132 nicm 55: #define tty_pane_full_width(tty, ctx) \
56: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
57:
1.1 nicm 58: void
1.136 nicm 59: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 60: {
1.30 nicm 61: char *path;
62:
63: memset(tty, 0, sizeof *tty);
1.23 nicm 64: tty->log_fd = -1;
1.22 nicm 65:
1.9 nicm 66: if (term == NULL || *term == '\0')
1.1 nicm 67: tty->termname = xstrdup("unknown");
68: else
69: tty->termname = xstrdup(term);
1.30 nicm 70: tty->fd = fd;
1.136 nicm 71: tty->client = c;
1.30 nicm 72:
73: if ((path = ttyname(fd)) == NULL)
74: fatalx("ttyname failed");
75: tty->path = xstrdup(path);
1.108 nicm 76: tty->cstyle = 0;
1.107 nicm 77: tty->ccolour = xstrdup("");
1.30 nicm 78:
1.1 nicm 79: tty->flags = 0;
80: tty->term_flags = 0;
1.31 nicm 81: }
82:
1.88 nicm 83: int
1.31 nicm 84: tty_resize(struct tty *tty)
85: {
86: struct winsize ws;
1.88 nicm 87: u_int sx, sy;
1.31 nicm 88:
89: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 90: sx = ws.ws_col;
91: if (sx == 0)
92: sx = 80;
93: sy = ws.ws_row;
94: if (sy == 0)
95: sy = 24;
96: } else {
97: sx = 80;
98: sy = 24;
1.31 nicm 99: }
1.114 nicm 100: if (!tty_set_size(tty, sx, sy))
1.88 nicm 101: return (0);
1.31 nicm 102:
103: tty->cx = UINT_MAX;
104: tty->cy = UINT_MAX;
105:
106: tty->rupper = UINT_MAX;
107: tty->rlower = UINT_MAX;
1.88 nicm 108:
109: /*
110: * If the terminal has been started, reset the actual scroll region and
111: * cursor position, as this may not have happened.
112: */
113: if (tty->flags & TTY_STARTED) {
114: tty_cursor(tty, 0, 0);
115: tty_region(tty, 0, tty->sy - 1);
116: }
117:
1.114 nicm 118: return (1);
119: }
120:
121: int
122: tty_set_size(struct tty *tty, u_int sx, u_int sy) {
123: if (sx == tty->sx && sy == tty->sy)
124: return (0);
125: tty->sx = sx;
126: tty->sy = sy;
1.88 nicm 127: return (1);
1.1 nicm 128: }
129:
130: int
1.17 nicm 131: tty_open(struct tty *tty, const char *overrides, char **cause)
1.1 nicm 132: {
1.88 nicm 133: char out[64];
1.30 nicm 134: int fd;
1.1 nicm 135:
1.30 nicm 136: if (debug_level > 3) {
1.88 nicm 137: xsnprintf(out, sizeof out, "tmux-out-%ld.log", (long) getpid());
138: fd = open(out, O_WRONLY|O_CREAT|O_TRUNC, 0644);
1.30 nicm 139: if (fd != -1 && fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
140: fatal("fcntl failed");
141: tty->log_fd = fd;
1.1 nicm 142: }
143:
1.17 nicm 144: tty->term = tty_term_find(tty->termname, tty->fd, overrides, cause);
1.21 nicm 145: if (tty->term == NULL) {
146: tty_close(tty);
147: return (-1);
148: }
149: tty->flags |= TTY_OPENED;
1.1 nicm 150:
1.149 nicm 151: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_TIMER);
1.1 nicm 152:
1.66 nicm 153: tty->event = bufferevent_new(
1.67 nicm 154: tty->fd, tty_read_callback, NULL, tty_error_callback, tty);
1.1 nicm 155:
156: tty_start_tty(tty);
157:
1.148 nicm 158: tty_keys_build(tty);
1.1 nicm 159:
160: return (0);
161: }
162:
163: void
1.67 nicm 164: tty_read_callback(unused struct bufferevent *bufev, void *data)
165: {
166: struct tty *tty = data;
167:
168: while (tty_keys_next(tty))
169: ;
170: }
171:
172: void
1.66 nicm 173: tty_error_callback(
174: unused struct bufferevent *bufev, unused short what, unused void *data)
175: {
176: }
177:
178: void
1.127 nicm 179: tty_init_termios(int fd, struct termios *orig_tio, struct bufferevent *bufev)
1.1 nicm 180: {
1.128 nicm 181: struct termios tio;
1.33 nicm 182:
1.127 nicm 183: if (fd == -1 || tcgetattr(fd, orig_tio) != 0)
1.33 nicm 184: return;
1.1 nicm 185:
1.127 nicm 186: setblocking(fd, 0);
1.34 nicm 187:
1.127 nicm 188: if (bufev != NULL)
189: bufferevent_enable(bufev, EV_READ|EV_WRITE);
1.66 nicm 190:
1.127 nicm 191: memcpy(&tio, orig_tio, sizeof tio);
1.1 nicm 192: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
193: tio.c_iflag |= IGNBRK;
194: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
195: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
196: ECHOPRT|ECHOKE|ECHOCTL|ISIG);
197: tio.c_cc[VMIN] = 1;
1.60 deraadt 198: tio.c_cc[VTIME] = 0;
1.127 nicm 199: if (tcsetattr(fd, TCSANOW, &tio) == 0)
200: tcflush(fd, TCIOFLUSH);
201: }
202:
203: void
204: tty_start_tty(struct tty *tty)
205: {
206: tty_init_termios(tty->fd, &tty->tio, tty->event);
1.1 nicm 207:
1.10 nicm 208: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 209:
1.25 nicm 210: tty_putcode(tty, TTYC_SGR0);
211: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
212:
1.76 nicm 213: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 214: if (tty_use_acs(tty))
215: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 216: tty_putcode(tty, TTYC_CLEAR);
217:
218: tty_putcode(tty, TTYC_CNORM);
219: if (tty_term_has(tty->term, TTYC_KMOUS))
1.153 nicm 220: tty_puts(tty, "\033[?1000l\033[?1006l\033[?1005l");
1.121 nicm 221:
1.162 nicm 222: if (tty_term_has(tty->term, TTYC_XT)) {
223: if (options_get_number(&global_options, "focus-events")) {
224: tty->flags |= TTY_FOCUS;
225: tty_puts(tty, "\033[?1004h");
226: }
1.163 nicm 227: tty_puts(tty, "\033[c");
1.162 nicm 228: }
1.1 nicm 229:
230: tty->cx = UINT_MAX;
231: tty->cy = UINT_MAX;
232:
233: tty->rlower = UINT_MAX;
234: tty->rupper = UINT_MAX;
235:
236: tty->mode = MODE_CURSOR;
1.20 nicm 237:
238: tty->flags |= TTY_STARTED;
1.107 nicm 239:
240: tty_force_cursor_colour(tty, "");
1.145 nicm 241: }
242:
243: void
244: tty_set_class(struct tty *tty, u_int class)
245: {
246: if (tty->class != 0)
247: return;
248: tty->class = class;
1.128 nicm 249: }
250:
251: void
1.1 nicm 252: tty_stop_tty(struct tty *tty)
253: {
254: struct winsize ws;
255:
1.20 nicm 256: if (!(tty->flags & TTY_STARTED))
257: return;
258: tty->flags &= ~TTY_STARTED;
259:
1.66 nicm 260: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
261:
1.1 nicm 262: /*
263: * Be flexible about error handling and try not kill the server just
264: * because the fd is invalid. Things like ssh -t can easily leave us
265: * with a dead tty.
266: */
267: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
268: return;
269: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
270: return;
271:
272: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 273: if (tty_use_acs(tty))
274: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 275: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
276: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
277: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 278: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
279: if (tty_term_has(tty->term, TTYC_SE))
280: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 281: else
1.160 nicm 282: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 283: }
1.107 nicm 284: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 285:
286: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
287: if (tty_term_has(tty->term, TTYC_KMOUS))
1.153 nicm 288: tty_raw(tty, "\033[?1000l\033[?1006l\033[?1005l");
1.151 nicm 289:
1.162 nicm 290: if (tty_term_has(tty->term, TTYC_XT)) {
291: if (tty->flags & TTY_FOCUS) {
292: tty->flags &= ~TTY_FOCUS;
293: tty_puts(tty, "\033[?1004l");
294: }
295: }
1.10 nicm 296:
297: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 298:
299: setblocking(tty->fd, 1);
1.1 nicm 300: }
301:
302: void
1.20 nicm 303: tty_close(struct tty *tty)
1.1 nicm 304: {
305: if (tty->log_fd != -1) {
306: close(tty->log_fd);
307: tty->log_fd = -1;
308: }
309:
1.123 nicm 310: if (event_initialized(&tty->key_timer))
311: evtimer_del(&tty->key_timer);
1.20 nicm 312: tty_stop_tty(tty);
1.1 nicm 313:
1.21 nicm 314: if (tty->flags & TTY_OPENED) {
1.66 nicm 315: bufferevent_free(tty->event);
316:
1.21 nicm 317: tty_term_free(tty->term);
318: tty_keys_free(tty);
319:
320: tty->flags &= ~TTY_OPENED;
321: }
1.1 nicm 322:
1.21 nicm 323: if (tty->fd != -1) {
324: close(tty->fd);
325: tty->fd = -1;
326: }
1.1 nicm 327: }
328:
329: void
1.20 nicm 330: tty_free(struct tty *tty)
1.1 nicm 331: {
1.20 nicm 332: tty_close(tty);
1.1 nicm 333:
1.138 nicm 334: free(tty->ccolour);
1.1 nicm 335: if (tty->path != NULL)
1.138 nicm 336: free(tty->path);
1.1 nicm 337: if (tty->termname != NULL)
1.138 nicm 338: free(tty->termname);
1.1 nicm 339: }
340:
341: void
342: tty_raw(struct tty *tty, const char *s)
343: {
1.150 nicm 344: ssize_t n, slen;
345: u_int i;
346:
347: slen = strlen(s);
348: for (i = 0; i < 5; i++) {
349: n = write(tty->fd, s, slen);
350: if (n >= 0) {
351: s += n;
352: slen -= n;
353: if (slen == 0)
354: break;
355: } else if (n == -1 && errno != EAGAIN)
356: break;
357: usleep(100);
358: }
1.1 nicm 359: }
360:
361: void
362: tty_putcode(struct tty *tty, enum tty_code_code code)
363: {
364: tty_puts(tty, tty_term_string(tty->term, code));
365: }
366:
367: void
368: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
369: {
370: if (a < 0)
371: return;
372: tty_puts(tty, tty_term_string1(tty->term, code, a));
373: }
374:
375: void
376: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
377: {
378: if (a < 0 || b < 0)
379: return;
380: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
381: }
382:
383: void
1.107 nicm 384: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
385: {
386: if (a != NULL)
387: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
388: }
389:
390: void
1.106 nicm 391: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a, const void *b)
392: {
393: if (a != NULL && b != NULL)
394: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
395: }
396:
397: void
1.1 nicm 398: tty_puts(struct tty *tty, const char *s)
399: {
400: if (*s == '\0')
401: return;
1.66 nicm 402: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 403:
404: if (tty->log_fd != -1)
405: write(tty->log_fd, s, strlen(s));
406: }
407:
408: void
409: tty_putc(struct tty *tty, u_char ch)
410: {
1.90 nicm 411: const char *acs;
412: u_int sx;
1.1 nicm 413:
1.90 nicm 414: if (tty->cell.attr & GRID_ATTR_CHARSET) {
415: acs = tty_acs_get(tty, ch);
416: if (acs != NULL)
417: bufferevent_write(tty->event, acs, strlen(acs));
418: else
419: bufferevent_write(tty->event, &ch, 1);
420: } else
421: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 422:
423: if (ch >= 0x20 && ch != 0x7f) {
424: sx = tty->sx;
425: if (tty->term->flags & TERM_EARLYWRAP)
426: sx--;
427:
1.46 nicm 428: if (tty->cx >= sx) {
429: tty->cx = 1;
430: if (tty->cy != tty->rlower)
431: tty->cy++;
1.1 nicm 432: } else
433: tty->cx++;
434: }
435:
436: if (tty->log_fd != -1)
437: write(tty->log_fd, &ch, 1);
438: }
439:
440: void
1.147 nicm 441: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 442: {
1.147 nicm 443: bufferevent_write(tty->event, buf, len);
1.71 nicm 444: if (tty->log_fd != -1)
1.147 nicm 445: write(tty->log_fd, buf, len);
446: tty->cx += width;
1.5 nicm 447: }
448:
449: void
1.1 nicm 450: tty_set_title(struct tty *tty, const char *title)
451: {
1.105 nicm 452: if (!tty_term_has(tty->term, TTYC_TSL) ||
453: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 454: return;
455:
1.105 nicm 456: tty_putcode(tty, TTYC_TSL);
1.1 nicm 457: tty_puts(tty, title);
1.105 nicm 458: tty_putcode(tty, TTYC_FSL);
1.1 nicm 459: }
460:
461: void
1.107 nicm 462: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
463: {
464: if (*ccolour == '\0')
465: tty_putcode(tty, TTYC_CR);
466: else
1.160 nicm 467: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 468: free(tty->ccolour);
1.107 nicm 469: tty->ccolour = xstrdup(ccolour);
470: }
471:
472: void
473: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 474: {
475: int changed;
476:
1.107 nicm 477: if (strcmp(s->ccolour, tty->ccolour))
478: tty_force_cursor_colour(tty, s->ccolour);
479:
1.1 nicm 480: if (tty->flags & TTY_NOCURSOR)
481: mode &= ~MODE_CURSOR;
482:
483: changed = mode ^ tty->mode;
484: if (changed & MODE_CURSOR) {
485: if (mode & MODE_CURSOR)
486: tty_putcode(tty, TTYC_CNORM);
487: else
488: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 489: }
490: if (tty->cstyle != s->cstyle) {
1.160 nicm 491: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 492: if (s->cstyle == 0 &&
1.160 nicm 493: tty_term_has(tty->term, TTYC_SE))
494: tty_putcode(tty, TTYC_SE);
1.108 nicm 495: else
1.160 nicm 496: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 497: }
498: tty->cstyle = s->cstyle;
1.1 nicm 499: }
1.154 nicm 500: if (changed & (ALL_MOUSE_MODES|MODE_MOUSE_UTF8)) {
1.94 nicm 501: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 502: /*
503: * Enable the UTF-8 (1005) extension if configured to.
504: * Enable the SGR (1006) extension unconditionally, as
505: * this is safe from misinterpretation. Do it in this
506: * order, because in some terminals it's the last one
507: * that takes effect and SGR is the preferred one.
508: */
1.95 nicm 509: if (mode & MODE_MOUSE_UTF8)
510: tty_puts(tty, "\033[?1005h");
1.154 nicm 511: else
512: tty_puts(tty, "\033[?1005l");
1.153 nicm 513: tty_puts(tty, "\033[?1006h");
514:
1.98 nicm 515: if (mode & MODE_MOUSE_ANY)
516: tty_puts(tty, "\033[?1003h");
1.94 nicm 517: else if (mode & MODE_MOUSE_BUTTON)
518: tty_puts(tty, "\033[?1002h");
1.98 nicm 519: else if (mode & MODE_MOUSE_STANDARD)
520: tty_puts(tty, "\033[?1000h");
1.86 nicm 521: } else {
1.98 nicm 522: if (tty->mode & MODE_MOUSE_ANY)
523: tty_puts(tty, "\033[?1003l");
1.94 nicm 524: else if (tty->mode & MODE_MOUSE_BUTTON)
525: tty_puts(tty, "\033[?1002l");
1.98 nicm 526: else if (tty->mode & MODE_MOUSE_STANDARD)
527: tty_puts(tty, "\033[?1000l");
1.153 nicm 528:
529: tty_puts(tty, "\033[?1006l");
1.95 nicm 530: if (tty->mode & MODE_MOUSE_UTF8)
531: tty_puts(tty, "\033[?1005l");
1.86 nicm 532: }
1.76 nicm 533: }
534: if (changed & MODE_KKEYPAD) {
535: if (mode & MODE_KKEYPAD)
536: tty_putcode(tty, TTYC_SMKX);
537: else
538: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 539: }
540: if (changed & MODE_BRACKETPASTE) {
541: if (mode & MODE_BRACKETPASTE)
542: tty_puts(tty, "\033[?2004h");
543: else
544: tty_puts(tty, "\033[?2004l");
1.1 nicm 545: }
546: tty->mode = mode;
547: }
548:
549: void
550: tty_emulate_repeat(
551: struct tty *tty, enum tty_code_code code, enum tty_code_code code1, u_int n)
552: {
553: if (tty_term_has(tty->term, code))
554: tty_putcode1(tty, code, n);
555: else {
556: while (n-- > 0)
557: tty_putcode(tty, code1);
558: }
559: }
560:
1.133 nicm 561: void
562: tty_repeat_space(struct tty *tty, u_int n)
563: {
564: while (n-- > 0)
565: tty_putc(tty, ' ');
566: }
567:
1.1 nicm 568: /*
1.119 nicm 569: * Is the region large enough to be worth redrawing once later rather than
570: * probably several times now? Currently yes if it is more than 50% of the
571: * pane.
572: */
573: int
574: tty_large_region(unused struct tty *tty, const struct tty_ctx *ctx)
575: {
576: struct window_pane *wp = ctx->wp;
577:
578: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
579: }
580:
581: /*
1.1 nicm 582: * Redraw scroll region using data from screen (already updated). Used when
583: * CSR not supported, or window is a pane that doesn't take up the full
584: * width of the terminal.
585: */
586: void
1.24 nicm 587: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 588: {
1.14 nicm 589: struct window_pane *wp = ctx->wp;
590: struct screen *s = wp->screen;
591: u_int i;
1.1 nicm 592:
593: /*
1.119 nicm 594: * If region is large, schedule a window redraw. In most cases this is
595: * likely to be followed by some more scrolling.
1.1 nicm 596: */
1.119 nicm 597: if (tty_large_region(tty, ctx)) {
1.1 nicm 598: wp->flags |= PANE_REDRAW;
599: return;
600: }
601:
1.14 nicm 602: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
603: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.113 nicm 604: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 605: } else {
1.14 nicm 606: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.113 nicm 607: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 608: }
609: }
610:
611: void
612: tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
613: {
614: const struct grid_cell *gc;
1.46 nicm 615: struct grid_line *gl;
1.16 nicm 616: struct grid_cell tmpgc;
1.147 nicm 617: struct utf8_data ud;
1.1 nicm 618: u_int i, sx;
619:
1.107 nicm 620: tty_update_mode(tty, tty->mode & ~MODE_CURSOR, s);
1.35 nicm 621:
1.1 nicm 622: sx = screen_size_x(s);
1.19 nicm 623: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
624: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 625: if (sx > tty->sx)
626: sx = tty->sx;
627:
1.46 nicm 628: /*
629: * Don't move the cursor to the start permission if it will wrap there
1.50 nicm 630: * itself.
1.46 nicm 631: */
632: gl = NULL;
633: if (py != 0)
634: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 635: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 636: tty->cx < tty->sx || ox != 0 ||
637: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 638: tty_cursor(tty, ox, oy + py);
639:
1.1 nicm 640: for (i = 0; i < sx; i++) {
641: gc = grid_view_peek_cell(s->grid, i, py);
642: if (screen_check_selection(s, i, py)) {
1.16 nicm 643: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
1.147 nicm 644: grid_cell_get(gc, &ud);
645: grid_cell_set(&tmpgc, &ud);
1.77 nicm 646: tmpgc.flags = gc->flags &
1.38 nicm 647: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
648: tmpgc.flags |= s->sel.cell.flags &
649: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.147 nicm 650: tty_cell(tty, &tmpgc);
1.1 nicm 651: } else
1.147 nicm 652: tty_cell(tty, gc);
1.1 nicm 653: }
654:
1.35 nicm 655: if (sx >= tty->sx) {
1.107 nicm 656: tty_update_mode(tty, tty->mode, s);
1.1 nicm 657: return;
1.35 nicm 658: }
1.1 nicm 659: tty_reset(tty);
660:
1.41 nicm 661: tty_cursor(tty, ox + sx, oy + py);
1.126 nicm 662: if (sx != screen_size_x(s) && ox + screen_size_x(s) >= tty->sx &&
1.117 nicm 663: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 664: tty_putcode(tty, TTYC_EL);
1.133 nicm 665: else
666: tty_repeat_space(tty, screen_size_x(s) - sx);
1.107 nicm 667: tty_update_mode(tty, tty->mode, s);
1.15 nicm 668: }
669:
670: void
1.113 nicm 671: tty_write(
672: void (*cmdfn)(struct tty *, const struct tty_ctx *), struct tty_ctx *ctx)
1.15 nicm 673: {
674: struct window_pane *wp = ctx->wp;
675: struct client *c;
676: u_int i;
677:
1.75 nicm 678: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 679: if (wp == NULL)
680: return;
681:
682: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
683: return;
1.129 nicm 684: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 685: return;
686:
687: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
688: c = ARRAY_ITEM(&clients, i);
1.139 nicm 689: if (c == NULL || c->session == NULL || c->tty.term == NULL)
1.15 nicm 690: continue;
1.142 nicm 691: if (c->flags & CLIENT_SUSPENDED)
692: continue;
693: if (c->tty.flags & TTY_FREEZE)
1.139 nicm 694: continue;
695: if (c->session->curw->window != wp->window)
1.15 nicm 696: continue;
697:
1.139 nicm 698: ctx->xoff = wp->xoff;
699: ctx->yoff = wp->yoff;
700: if (status_at_line(c) == 0)
701: ctx->yoff++;
1.113 nicm 702:
1.139 nicm 703: cmdfn(&c->tty, ctx);
1.1 nicm 704: }
705: }
706:
707: void
1.24 nicm 708: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 709: {
1.77 nicm 710: struct window_pane *wp = ctx->wp;
1.1 nicm 711:
1.135 nicm 712: if (!tty_pane_full_width(tty, ctx)) {
1.113 nicm 713: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 714: return;
715: }
716:
717: tty_reset(tty);
718:
1.77 nicm 719: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 720:
1.1 nicm 721: if (tty_term_has(tty->term, TTYC_ICH) ||
722: tty_term_has(tty->term, TTYC_ICH1))
1.12 nicm 723: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.134 nicm 724: else
1.113 nicm 725: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 726: }
727:
728: void
1.24 nicm 729: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 730: {
1.77 nicm 731: struct window_pane *wp = ctx->wp;
1.1 nicm 732:
1.135 nicm 733: if (!tty_pane_full_width(tty, ctx) ||
1.26 nicm 734: (!tty_term_has(tty->term, TTYC_DCH) &&
735: !tty_term_has(tty->term, TTYC_DCH1))) {
1.113 nicm 736: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 737: return;
738: }
739:
740: tty_reset(tty);
741:
1.77 nicm 742: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 743:
1.26 nicm 744: if (tty_term_has(tty->term, TTYC_DCH) ||
745: tty_term_has(tty->term, TTYC_DCH1))
746: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 747: }
748:
749: void
750: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
751: {
752: u_int i;
753:
754: tty_reset(tty);
755:
756: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
757:
758: if (tty_term_has(tty->term, TTYC_ECH))
759: tty_putcode1(tty, TTYC_ECH, ctx->num);
760: else {
761: for (i = 0; i < ctx->num; i++)
762: tty_putc(tty, ' ');
763: }
1.1 nicm 764: }
765:
766: void
1.24 nicm 767: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 768: {
1.132 nicm 769: if (!tty_pane_full_width(tty, ctx) ||
1.77 nicm 770: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 771: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 772: tty_redraw_region(tty, ctx);
1.1 nicm 773: return;
774: }
775:
776: tty_reset(tty);
777:
1.77 nicm 778: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
779: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 780:
1.12 nicm 781: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 782: }
783:
784: void
1.24 nicm 785: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 786: {
1.132 nicm 787: if (!tty_pane_full_width(tty, ctx) ||
1.72 nicm 788: !tty_term_has(tty->term, TTYC_CSR) ||
789: !tty_term_has(tty->term, TTYC_DL1)) {
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_DL, TTYC_DL1, ctx->num);
1.1 nicm 800: }
801:
802: void
1.24 nicm 803: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 804: {
1.77 nicm 805: struct window_pane *wp = ctx->wp;
1.12 nicm 806: struct screen *s = wp->screen;
1.1 nicm 807:
808: tty_reset(tty);
809:
1.77 nicm 810: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 811:
1.133 nicm 812: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL))
1.1 nicm 813: tty_putcode(tty, TTYC_EL);
1.133 nicm 814: else
815: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 816: }
817:
818: void
1.24 nicm 819: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 820: {
1.77 nicm 821: struct window_pane *wp = ctx->wp;
1.12 nicm 822: struct screen *s = wp->screen;
1.1 nicm 823:
824: tty_reset(tty);
825:
1.41 nicm 826: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
827:
1.132 nicm 828: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL))
1.1 nicm 829: tty_putcode(tty, TTYC_EL);
1.133 nicm 830: else
831: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.1 nicm 832: }
833:
834: void
1.24 nicm 835: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 836: {
837: tty_reset(tty);
838:
1.113 nicm 839: if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1.41 nicm 840: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 841: tty_putcode(tty, TTYC_EL1);
842: } else {
1.41 nicm 843: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 844: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 845: }
846: }
847:
848: void
1.24 nicm 849: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 850: {
1.56 nicm 851: if (ctx->ocy != ctx->orupper)
852: return;
853:
1.132 nicm 854: if (!tty_pane_full_width(tty, ctx) ||
1.70 nicm 855: !tty_term_has(tty->term, TTYC_CSR) ||
856: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 857: tty_redraw_region(tty, ctx);
1.1 nicm 858: return;
859: }
860:
1.56 nicm 861: tty_reset(tty);
1.77 nicm 862:
1.56 nicm 863: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
864: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 865:
1.56 nicm 866: tty_putcode(tty, TTYC_RI);
1.1 nicm 867: }
868:
869: void
1.24 nicm 870: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 871: {
1.77 nicm 872: struct window_pane *wp = ctx->wp;
1.1 nicm 873:
1.56 nicm 874: if (ctx->ocy != ctx->orlower)
875: return;
876:
1.132 nicm 877: if (!tty_pane_full_width(tty, ctx) ||
1.1 nicm 878: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 879: if (tty_large_region(tty, ctx))
880: wp->flags |= PANE_REDRAW;
1.140 nicm 881: else
1.128 nicm 882: tty_redraw_region(tty, ctx);
1.1 nicm 883: return;
884: }
1.52 nicm 885:
886: /*
887: * If this line wrapped naturally (ctx->num is nonzero), don't do
888: * anything - the cursor can just be moved to the last cell and wrap
889: * naturally.
890: */
891: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
892: return;
1.1 nicm 893:
1.56 nicm 894: tty_reset(tty);
1.77 nicm 895:
1.56 nicm 896: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
897: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 898:
1.56 nicm 899: tty_putc(tty, '\n');
1.1 nicm 900: }
901:
902: void
1.24 nicm 903: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 904: {
1.77 nicm 905: struct window_pane *wp = ctx->wp;
1.12 nicm 906: struct screen *s = wp->screen;
907: u_int i, j;
1.1 nicm 908:
909: tty_reset(tty);
910:
1.39 nicm 911: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 912: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 913:
1.132 nicm 914: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.1 nicm 915: tty_putcode(tty, TTYC_EL);
1.14 nicm 916: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 917: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 918: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 919: tty_putcode(tty, TTYC_EL);
920: if (i == screen_size_y(s) - 1)
921: continue;
922: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
923: tty->cy++;
924: }
925: }
926: } else {
1.133 nicm 927: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.68 nicm 928: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 929: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 930: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 931: }
932: }
933: }
934:
935: void
1.24 nicm 936: tty_cmd_clearstartofscreen(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, 0, 0);
1.39 nicm 946:
1.132 nicm 947: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.14 nicm 948: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 949: tty_putcode(tty, TTYC_EL);
950: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
951: tty->cy++;
952: }
953: } else {
1.14 nicm 954: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 955: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 956: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 957: }
958: }
1.133 nicm 959: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 960: }
961:
962: void
1.24 nicm 963: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 964: {
1.77 nicm 965: struct window_pane *wp = ctx->wp;
1.12 nicm 966: struct screen *s = wp->screen;
967: u_int i, j;
1.1 nicm 968:
969: tty_reset(tty);
970:
1.39 nicm 971: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 972: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 973:
1.132 nicm 974: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.1 nicm 975: for (i = 0; i < screen_size_y(s); i++) {
976: tty_putcode(tty, TTYC_EL);
977: if (i != screen_size_y(s) - 1) {
978: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
979: tty->cy++;
980: }
981: }
982: } else {
983: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 984: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 985: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 986: }
1.4 nicm 987: }
988: }
989:
990: void
1.24 nicm 991: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 992: {
1.12 nicm 993: struct window_pane *wp = ctx->wp;
994: struct screen *s = wp->screen;
995: u_int i, j;
1.4 nicm 996:
997: tty_reset(tty);
998:
1.39 nicm 999: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 1000:
1001: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1002: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1003: for (i = 0; i < screen_size_x(s); i++)
1004: tty_putc(tty, 'E');
1.1 nicm 1005: }
1006: }
1007:
1008: void
1.24 nicm 1009: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1010: {
1.46 nicm 1011: struct window_pane *wp = ctx->wp;
1012: struct screen *s = wp->screen;
1.58 nicm 1013: u_int cx;
1.102 nicm 1014: u_int width;
1.46 nicm 1015:
1016: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1017:
1.57 nicm 1018: /* Is the cursor in the very last position? */
1.147 nicm 1019: width = grid_cell_width(ctx->cell);
1.102 nicm 1020: if (ctx->ocx > wp->sx - width) {
1.113 nicm 1021: if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57 nicm 1022: /*
1023: * The pane doesn't fill the entire line, the linefeed
1024: * will already have happened, so just move the cursor.
1025: */
1.125 nicm 1026: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 1027: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1028: else
1029: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.57 nicm 1030: } else if (tty->cx < tty->sx) {
1031: /*
1032: * The cursor isn't in the last position already, so
1.102 nicm 1033: * move as far left as possible and redraw the last
1.57 nicm 1034: * cell to move into the last position.
1035: */
1.147 nicm 1036: cx = screen_size_x(s) - grid_cell_width(&ctx->last_cell);
1.50 nicm 1037: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1.147 nicm 1038: tty_cell(tty, &ctx->last_cell);
1.50 nicm 1039: }
1040: } else
1.46 nicm 1041: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1042:
1.147 nicm 1043: tty_cell(tty, ctx->cell);
1.1 nicm 1044: }
1045:
1046: void
1.24 nicm 1047: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1048: {
1.53 nicm 1049: struct window_pane *wp = ctx->wp;
1.1 nicm 1050:
1.53 nicm 1051: /*
1052: * Cannot rely on not being a partial character, so just redraw the
1053: * whole line.
1054: */
1.113 nicm 1055: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1056: }
1057:
1058: void
1059: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1060: {
1061: char *buf;
1062: size_t off;
1063:
1064: if (!tty_term_has(tty->term, TTYC_MS))
1065: return;
1066:
1067: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1068: buf = xmalloc(off);
1069:
1070: b64_ntop(ctx->ptr, ctx->num, buf, off);
1071: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1072:
1.138 nicm 1073: free(buf);
1.100 nicm 1074: }
1075:
1076: void
1077: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1078: {
1079: u_int i;
1080: u_char *str = ctx->ptr;
1081:
1082: for (i = 0; i < ctx->num; i++)
1083: tty_putc(tty, str[i]);
1.141 nicm 1084:
1085: tty->cx = tty->cy = UINT_MAX;
1086: tty->rupper = tty->rlower = UINT_MAX;
1087:
1088: tty_reset(tty);
1089: tty_cursor(tty, 0, 0);
1.1 nicm 1090: }
1091:
1092: void
1.147 nicm 1093: tty_cell(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1094: {
1.147 nicm 1095: struct utf8_data ud;
1096: u_int i;
1.1 nicm 1097:
1098: /* Skip last character if terminal is stupid. */
1099: if (tty->term->flags & TERM_EARLYWRAP &&
1100: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
1101: return;
1102:
1103: /* If this is a padding character, do nothing. */
1104: if (gc->flags & GRID_FLAG_PADDING)
1105: return;
1106:
1107: /* Set the attributes. */
1108: tty_attributes(tty, gc);
1109:
1.147 nicm 1110: /* Get the cell and if ASCII write with putc to do ACS translation. */
1111: grid_cell_get(gc, &ud);
1112: if (ud.size == 1) {
1113: if (*ud.data < 0x20 || *ud.data == 0x7f)
1.1 nicm 1114: return;
1.147 nicm 1115: tty_putc(tty, *ud.data);
1.1 nicm 1116: return;
1117: }
1118:
1.147 nicm 1119: /* If not UTF-8, write _. */
1.1 nicm 1120: if (!(tty->flags & TTY_UTF8)) {
1.147 nicm 1121: for (i = 0; i < ud.width; i++)
1.1 nicm 1122: tty_putc(tty, '_');
1123: return;
1124: }
1125:
1.147 nicm 1126: /* Write the data. */
1127: tty_putn(tty, ud.data, ud.size, ud.width);
1.1 nicm 1128: }
1129:
1130: void
1131: tty_reset(struct tty *tty)
1132: {
1133: struct grid_cell *gc = &tty->cell;
1134:
1135: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
1136: return;
1137:
1.90 nicm 1138: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1139: tty_putcode(tty, TTYC_RMACS);
1140: tty_putcode(tty, TTYC_SGR0);
1141: memcpy(gc, &grid_default_cell, sizeof *gc);
1142: }
1143:
1.40 nicm 1144: /* Set region inside pane. */
1.1 nicm 1145: void
1.39 nicm 1146: tty_region_pane(
1147: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 1148: {
1.113 nicm 1149: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1150: }
1151:
1.40 nicm 1152: /* Set region at absolute position. */
1.39 nicm 1153: void
1.40 nicm 1154: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1155: {
1156: if (tty->rlower == rlower && tty->rupper == rupper)
1157: return;
1.1 nicm 1158: if (!tty_term_has(tty->term, TTYC_CSR))
1159: return;
1.39 nicm 1160:
1161: tty->rupper = rupper;
1162: tty->rlower = rlower;
1.55 nicm 1163:
1164: /*
1165: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1166: * 0,0 if it is beyond the last column (they do not reset their wrap
1167: * flag so further output causes a line feed). As a workaround, do an
1168: * explicit move to 0 first.
1169: */
1170: if (tty->cx >= tty->sx)
1171: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1172:
1.39 nicm 1173: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1174: tty_cursor(tty, 0, 0);
1.1 nicm 1175: }
1176:
1.42 nicm 1177: /* Move cursor inside pane. */
1.1 nicm 1178: void
1.41 nicm 1179: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1180: {
1.113 nicm 1181: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1182: }
1183:
1.42 nicm 1184: /* Move cursor to absolute position. */
1.41 nicm 1185: void
1186: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1187: {
1.42 nicm 1188: struct tty_term *term = tty->term;
1189: u_int thisx, thisy;
1190: int change;
1.77 nicm 1191:
1.42 nicm 1192: if (cx > tty->sx - 1)
1193: cx = tty->sx - 1;
1194:
1195: thisx = tty->cx;
1196: thisy = tty->cy;
1197:
1198: /* No change. */
1199: if (cx == thisx && cy == thisy)
1200: return;
1201:
1.43 nicm 1202: /* Very end of the line, just use absolute movement. */
1203: if (thisx > tty->sx - 1)
1204: goto absolute;
1205:
1.42 nicm 1206: /* Move to home position (0, 0). */
1207: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1208: tty_putcode(tty, TTYC_HOME);
1209: goto out;
1210: }
1211:
1212: /* Zero on the next line. */
1.48 nicm 1213: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1214: tty_putc(tty, '\r');
1.42 nicm 1215: tty_putc(tty, '\n');
1216: goto out;
1217: }
1218:
1.45 nicm 1219: /* Moving column or row. */
1.42 nicm 1220: if (cy == thisy) {
1.45 nicm 1221: /*
1222: * Moving column only, row staying the same.
1223: */
1224:
1.42 nicm 1225: /* To left edge. */
1226: if (cx == 0) {
1227: tty_putc(tty, '\r');
1228: goto out;
1229: }
1230:
1231: /* One to the left. */
1232: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1233: tty_putcode(tty, TTYC_CUB1);
1234: goto out;
1235: }
1236:
1237: /* One to the right. */
1238: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1239: tty_putcode(tty, TTYC_CUF1);
1240: goto out;
1241: }
1242:
1243: /* Calculate difference. */
1244: change = thisx - cx; /* +ve left, -ve right */
1245:
1246: /*
1247: * Use HPA if change is larger than absolute, otherwise move
1248: * the cursor with CUB/CUF.
1249: */
1.87 nicm 1250: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1251: tty_putcode1(tty, TTYC_HPA, cx);
1252: goto out;
1253: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1254: tty_putcode1(tty, TTYC_CUB, change);
1255: goto out;
1256: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1257: tty_putcode1(tty, TTYC_CUF, -change);
1258: goto out;
1259: }
1.45 nicm 1260: } else if (cx == thisx) {
1261: /*
1262: * Moving row only, column staying the same.
1263: */
1.42 nicm 1264:
1265: /* One above. */
1.77 nicm 1266: if (thisy != tty->rupper &&
1.42 nicm 1267: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1268: tty_putcode(tty, TTYC_CUU1);
1269: goto out;
1270: }
1271:
1272: /* One below. */
1.49 nicm 1273: if (thisy != tty->rlower &&
1.42 nicm 1274: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1275: tty_putcode(tty, TTYC_CUD1);
1276: goto out;
1277: }
1278:
1279: /* Calculate difference. */
1280: change = thisy - cy; /* +ve up, -ve down */
1281:
1282: /*
1.77 nicm 1283: * Try to use VPA if change is larger than absolute or if this
1284: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1285: */
1.87 nicm 1286: if ((u_int) abs(change) > cy ||
1.42 nicm 1287: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1288: (change > 0 && cy - change < tty->rupper)) {
1289: if (tty_term_has(term, TTYC_VPA)) {
1290: tty_putcode1(tty, TTYC_VPA, cy);
1291: goto out;
1292: }
1.42 nicm 1293: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1294: tty_putcode1(tty, TTYC_CUU, change);
1295: goto out;
1296: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1297: tty_putcode1(tty, TTYC_CUD, -change);
1298: goto out;
1299: }
1300: }
1301:
1.43 nicm 1302: absolute:
1.42 nicm 1303: /* Absolute movement. */
1304: tty_putcode2(tty, TTYC_CUP, cy, cx);
1305:
1306: out:
1307: tty->cx = cx;
1308: tty->cy = cy;
1.1 nicm 1309: }
1310:
1311: void
1312: tty_attributes(struct tty *tty, const struct grid_cell *gc)
1313: {
1.63 nicm 1314: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1315: u_char changed;
1.61 nicm 1316:
1.85 nicm 1317: memcpy(&gc2, gc, sizeof gc2);
1.63 nicm 1318:
1.18 nicm 1319: /*
1320: * If no setab, try to use the reverse attribute as a best-effort for a
1321: * non-default background. This is a bit of a hack but it doesn't do
1322: * any serious harm and makes a couple of applications happier.
1323: */
1324: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1325: if (gc2.attr & GRID_ATTR_REVERSE) {
1326: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1327: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1328: } else {
1.85 nicm 1329: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1330: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1331: }
1332: }
1.1 nicm 1333:
1.85 nicm 1334: /* Fix up the colours if necessary. */
1335: tty_check_fg(tty, &gc2);
1336: tty_check_bg(tty, &gc2);
1337:
1.64 nicm 1338: /* If any bits are being cleared, reset everything. */
1.85 nicm 1339: if (tc->attr & ~gc2.attr)
1.64 nicm 1340: tty_reset(tty);
1341:
1342: /*
1343: * Set the colours. This may call tty_reset() (so it comes next) and
1344: * may add to (NOT remove) the desired attributes by changing new_attr.
1345: */
1.85 nicm 1346: tty_colours(tty, &gc2);
1.64 nicm 1347:
1.1 nicm 1348: /* Filter out attribute bits already set. */
1.85 nicm 1349: changed = gc2.attr & ~tc->attr;
1350: tc->attr = gc2.attr;
1.1 nicm 1351:
1352: /* Set the attributes. */
1353: if (changed & GRID_ATTR_BRIGHT)
1354: tty_putcode(tty, TTYC_BOLD);
1355: if (changed & GRID_ATTR_DIM)
1356: tty_putcode(tty, TTYC_DIM);
1.164 ! nicm 1357: if (changed & GRID_ATTR_ITALICS) {
1.104 nicm 1358: if (tty_term_has(tty->term, TTYC_SITM))
1359: tty_putcode(tty, TTYC_SITM);
1360: else
1361: tty_putcode(tty, TTYC_SMSO);
1362: }
1.1 nicm 1363: if (changed & GRID_ATTR_UNDERSCORE)
1364: tty_putcode(tty, TTYC_SMUL);
1365: if (changed & GRID_ATTR_BLINK)
1366: tty_putcode(tty, TTYC_BLINK);
1367: if (changed & GRID_ATTR_REVERSE) {
1368: if (tty_term_has(tty->term, TTYC_REV))
1369: tty_putcode(tty, TTYC_REV);
1370: else if (tty_term_has(tty->term, TTYC_SMSO))
1371: tty_putcode(tty, TTYC_SMSO);
1372: }
1373: if (changed & GRID_ATTR_HIDDEN)
1374: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1375: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1376: tty_putcode(tty, TTYC_SMACS);
1377: }
1378:
1.61 nicm 1379: void
1.85 nicm 1380: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1381: {
1.61 nicm 1382: struct grid_cell *tc = &tty->cell;
1.62 nicm 1383: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1384: int have_ax, fg_default, bg_default;
1.61 nicm 1385:
1386: /* No changes? Nothing is necessary. */
1.62 nicm 1387: if (fg == tc->fg && bg == tc->bg &&
1388: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1389: return;
1.1 nicm 1390:
1.61 nicm 1391: /*
1392: * Is either the default colour? This is handled specially because the
1393: * best solution might be to reset both colours to default, in which
1394: * case if only one is default need to fall onward to set the other
1395: * colour.
1396: */
1.62 nicm 1397: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1398: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1399: if (fg_default || bg_default) {
1400: /*
1401: * If don't have AX but do have op, send sgr0 (op can't
1402: * actually be used because it is sometimes the same as sgr0
1403: * and sometimes isn't). This resets both colours to default.
1404: *
1405: * Otherwise, try to set the default colour only as needed.
1406: */
1407: have_ax = tty_term_has(tty->term, TTYC_AX);
1408: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1409: tty_reset(tty);
1410: else {
1411: if (fg_default &&
1.81 nicm 1412: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1413: if (have_ax)
1414: tty_puts(tty, "\033[39m");
1.81 nicm 1415: else if (tc->fg != 7 ||
1416: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1417: tty_putcode1(tty, TTYC_SETAF, 7);
1418: tc->fg = 8;
1419: tc->flags &= ~GRID_FLAG_FG256;
1420: }
1421: if (bg_default &&
1.81 nicm 1422: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1423: if (have_ax)
1.61 nicm 1424: tty_puts(tty, "\033[49m");
1.81 nicm 1425: else if (tc->bg != 0 ||
1426: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1427: tty_putcode1(tty, TTYC_SETAB, 0);
1428: tc->bg = 8;
1429: tc->flags &= ~GRID_FLAG_BG256;
1430: }
1431: }
1432: }
1.1 nicm 1433:
1.61 nicm 1434: /* Set the foreground colour. */
1435: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1436: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 nicm 1437: tty_colours_fg(tty, gc);
1.1 nicm 1438:
1.61 nicm 1439: /*
1440: * Set the background colour. This must come after the foreground as
1441: * tty_colour_fg() can call tty_reset().
1442: */
1443: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1444: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1445: tty_colours_bg(tty, gc);
1.1 nicm 1446: }
1447:
1448: void
1.85 nicm 1449: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1450: {
1451: u_int colours;
1452:
1453: /* Is this a 256-colour colour? */
1454: if (gc->flags & GRID_FLAG_FG256) {
1455: /* And not a 256 colour mode? */
1.158 nicm 1456: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1457: !(tty->term_flags & TERM_256COLOURS)) {
1458: gc->fg = colour_256to16(gc->fg);
1459: if (gc->fg & 8) {
1460: gc->fg &= 7;
1461: gc->attr |= GRID_ATTR_BRIGHT;
1462: } else
1463: gc->attr &= ~GRID_ATTR_BRIGHT;
1464: gc->flags &= ~GRID_FLAG_FG256;
1465: }
1466: return;
1467: }
1468:
1469: /* Is this an aixterm colour? */
1470: colours = tty_term_number(tty->term, TTYC_COLORS);
1471: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1472: gc->fg -= 90;
1473: gc->attr |= GRID_ATTR_BRIGHT;
1474: }
1475: }
1476:
1477: void
1478: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1479: {
1480: u_int colours;
1481:
1482: /* Is this a 256-colour colour? */
1483: if (gc->flags & GRID_FLAG_BG256) {
1484: /*
1485: * And not a 256 colour mode? Translate to 16-colour
1486: * palette. Bold background doesn't exist portably, so just
1487: * discard the bold bit if set.
1488: */
1.158 nicm 1489: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1490: !(tty->term_flags & TERM_256COLOURS)) {
1491: gc->bg = colour_256to16(gc->bg);
1492: if (gc->bg & 8)
1493: gc->bg &= 7;
1494: gc->attr &= ~GRID_ATTR_BRIGHT;
1495: gc->flags &= ~GRID_FLAG_BG256;
1496: }
1497: return;
1498: }
1499:
1500: /* Is this an aixterm colour? */
1501: colours = tty_term_number(tty->term, TTYC_COLORS);
1.112 nicm 1502: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16) {
1.85 nicm 1503: gc->bg -= 90;
1504: gc->attr |= GRID_ATTR_BRIGHT;
1505: }
1506: }
1507:
1508: void
1509: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1510: {
1.61 nicm 1511: struct grid_cell *tc = &tty->cell;
1512: u_char fg = gc->fg;
1.79 nicm 1513: char s[32];
1.1 nicm 1514:
1.61 nicm 1515: /* Is this a 256-colour colour? */
1.1 nicm 1516: if (gc->flags & GRID_FLAG_FG256) {
1.158 nicm 1517: /* Try as 256 colours. */
1.1 nicm 1518: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1519: goto save_fg;
1.85 nicm 1520: /* Else already handled by tty_check_fg. */
1521: return;
1.1 nicm 1522: }
1523:
1.79 nicm 1524: /* Is this an aixterm bright colour? */
1525: if (fg >= 90 && fg <= 97) {
1.85 nicm 1526: xsnprintf(s, sizeof s, "\033[%dm", fg);
1527: tty_puts(tty, s);
1528: goto save_fg;
1.79 nicm 1529: }
1530:
1.61 nicm 1531: /* Otherwise set the foreground colour. */
1532: tty_putcode1(tty, TTYC_SETAF, fg);
1533:
1.77 nicm 1534: save_fg:
1.61 nicm 1535: /* Save the new values in the terminal current cell. */
1536: tc->fg = fg;
1537: tc->flags &= ~GRID_FLAG_FG256;
1538: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1539: }
1540:
1541: void
1.73 nicm 1542: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1543: {
1.61 nicm 1544: struct grid_cell *tc = &tty->cell;
1545: u_char bg = gc->bg;
1.79 nicm 1546: char s[32];
1.1 nicm 1547:
1.61 nicm 1548: /* Is this a 256-colour colour? */
1.1 nicm 1549: if (gc->flags & GRID_FLAG_BG256) {
1.158 nicm 1550: /* Try as 256 colours. */
1.1 nicm 1551: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1552: goto save_bg;
1.85 nicm 1553: /* Else already handled by tty_check_bg. */
1554: return;
1.79 nicm 1555: }
1556:
1557: /* Is this an aixterm bright colour? */
1.112 nicm 1558: if (bg >= 90 && bg <= 97) {
1.79 nicm 1559: /* 16 colour terminals or above only. */
1560: if (tty_term_number(tty->term, TTYC_COLORS) >= 16) {
1.112 nicm 1561: xsnprintf(s, sizeof s, "\033[%dm", bg + 10);
1.79 nicm 1562: tty_puts(tty, s);
1563: goto save_bg;
1564: }
1.112 nicm 1565: bg -= 90;
1.79 nicm 1566: /* no such thing as a bold background */
1.1 nicm 1567: }
1568:
1.61 nicm 1569: /* Otherwise set the background colour. */
1570: tty_putcode1(tty, TTYC_SETAB, bg);
1571:
1572: save_bg:
1573: /* Save the new values in the terminal current cell. */
1574: tc->bg = bg;
1575: tc->flags &= ~GRID_FLAG_BG256;
1576: tc->flags |= gc->flags & GRID_FLAG_BG256;
1577: }
1578:
1579: int
1580: tty_try_256(struct tty *tty, u_char colour, const char *type)
1581: {
1582: char s[32];
1583:
1584: if (!(tty->term->flags & TERM_256COLOURS) &&
1585: !(tty->term_flags & TERM_256COLOURS))
1586: return (-1);
1587:
1588: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1589: tty_puts(tty, s);
1590: return (0);
1.110 nicm 1591: }
1592:
1593: void
1594: tty_bell(struct tty *tty)
1595: {
1596: tty_putcode(tty, TTYC_BEL);
1.1 nicm 1597: }
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