Annotation of src/usr.bin/tmux/tty.c, Revision 1.167
1.167 ! nicm 1: /* $OpenBSD: tty.c,v 1.166 2014/02/23 00:53:06 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
1.166 nicm 131: tty_open(struct tty *tty, 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:
1.166 nicm 144: tty->term = tty_term_find(tty->termname, tty->fd, 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
1.167 ! nicm 391: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
! 392: const void *b)
1.106 nicm 393: {
394: if (a != NULL && b != NULL)
395: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
396: }
397:
398: void
1.1 nicm 399: tty_puts(struct tty *tty, const char *s)
400: {
401: if (*s == '\0')
402: return;
1.66 nicm 403: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 404:
405: if (tty->log_fd != -1)
406: write(tty->log_fd, s, strlen(s));
407: }
408:
409: void
410: tty_putc(struct tty *tty, u_char ch)
411: {
1.90 nicm 412: const char *acs;
413: u_int sx;
1.1 nicm 414:
1.90 nicm 415: if (tty->cell.attr & GRID_ATTR_CHARSET) {
416: acs = tty_acs_get(tty, ch);
417: if (acs != NULL)
418: bufferevent_write(tty->event, acs, strlen(acs));
419: else
420: bufferevent_write(tty->event, &ch, 1);
421: } else
422: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 423:
424: if (ch >= 0x20 && ch != 0x7f) {
425: sx = tty->sx;
426: if (tty->term->flags & TERM_EARLYWRAP)
427: sx--;
428:
1.46 nicm 429: if (tty->cx >= sx) {
430: tty->cx = 1;
431: if (tty->cy != tty->rlower)
432: tty->cy++;
1.1 nicm 433: } else
434: tty->cx++;
435: }
436:
437: if (tty->log_fd != -1)
438: write(tty->log_fd, &ch, 1);
439: }
440:
441: void
1.147 nicm 442: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 443: {
1.147 nicm 444: bufferevent_write(tty->event, buf, len);
1.71 nicm 445: if (tty->log_fd != -1)
1.147 nicm 446: write(tty->log_fd, buf, len);
447: tty->cx += 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
1.160 nicm 468: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 469: free(tty->ccolour);
1.107 nicm 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) {
1.160 nicm 492: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 493: if (s->cstyle == 0 &&
1.160 nicm 494: tty_term_has(tty->term, TTYC_SE))
495: tty_putcode(tty, TTYC_SE);
1.108 nicm 496: else
1.160 nicm 497: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 498: }
499: tty->cstyle = s->cstyle;
1.1 nicm 500: }
1.154 nicm 501: if (changed & (ALL_MOUSE_MODES|MODE_MOUSE_UTF8)) {
1.94 nicm 502: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 503: /*
504: * Enable the UTF-8 (1005) extension if configured to.
505: * Enable the SGR (1006) extension unconditionally, as
506: * this is safe from misinterpretation. Do it in this
507: * order, because in some terminals it's the last one
508: * that takes effect and SGR is the preferred one.
509: */
1.95 nicm 510: if (mode & MODE_MOUSE_UTF8)
511: tty_puts(tty, "\033[?1005h");
1.154 nicm 512: else
513: tty_puts(tty, "\033[?1005l");
1.153 nicm 514: tty_puts(tty, "\033[?1006h");
515:
1.98 nicm 516: if (mode & MODE_MOUSE_ANY)
517: tty_puts(tty, "\033[?1003h");
1.94 nicm 518: else if (mode & MODE_MOUSE_BUTTON)
519: tty_puts(tty, "\033[?1002h");
1.98 nicm 520: else if (mode & MODE_MOUSE_STANDARD)
521: tty_puts(tty, "\033[?1000h");
1.86 nicm 522: } else {
1.98 nicm 523: if (tty->mode & MODE_MOUSE_ANY)
524: tty_puts(tty, "\033[?1003l");
1.94 nicm 525: else if (tty->mode & MODE_MOUSE_BUTTON)
526: tty_puts(tty, "\033[?1002l");
1.98 nicm 527: else if (tty->mode & MODE_MOUSE_STANDARD)
528: tty_puts(tty, "\033[?1000l");
1.153 nicm 529:
530: tty_puts(tty, "\033[?1006l");
1.95 nicm 531: if (tty->mode & MODE_MOUSE_UTF8)
532: tty_puts(tty, "\033[?1005l");
1.86 nicm 533: }
1.76 nicm 534: }
535: if (changed & MODE_KKEYPAD) {
536: if (mode & MODE_KKEYPAD)
537: tty_putcode(tty, TTYC_SMKX);
538: else
539: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 540: }
541: if (changed & MODE_BRACKETPASTE) {
542: if (mode & MODE_BRACKETPASTE)
543: tty_puts(tty, "\033[?2004h");
544: else
545: tty_puts(tty, "\033[?2004l");
1.1 nicm 546: }
547: tty->mode = mode;
548: }
549:
550: void
551: tty_emulate_repeat(
552: struct tty *tty, enum tty_code_code code, enum tty_code_code code1, u_int n)
553: {
554: if (tty_term_has(tty->term, code))
555: tty_putcode1(tty, code, n);
556: else {
557: while (n-- > 0)
558: tty_putcode(tty, code1);
559: }
560: }
561:
1.133 nicm 562: void
563: tty_repeat_space(struct tty *tty, u_int n)
564: {
565: while (n-- > 0)
566: tty_putc(tty, ' ');
567: }
568:
1.1 nicm 569: /*
1.119 nicm 570: * Is the region large enough to be worth redrawing once later rather than
571: * probably several times now? Currently yes if it is more than 50% of the
572: * pane.
573: */
574: int
575: tty_large_region(unused struct tty *tty, const struct tty_ctx *ctx)
576: {
577: struct window_pane *wp = ctx->wp;
578:
579: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
580: }
581:
582: /*
1.1 nicm 583: * Redraw scroll region using data from screen (already updated). Used when
584: * CSR not supported, or window is a pane that doesn't take up the full
585: * width of the terminal.
586: */
587: void
1.24 nicm 588: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 589: {
1.14 nicm 590: struct window_pane *wp = ctx->wp;
591: struct screen *s = wp->screen;
592: u_int i;
1.1 nicm 593:
594: /*
1.119 nicm 595: * If region is large, schedule a window redraw. In most cases this is
596: * likely to be followed by some more scrolling.
1.1 nicm 597: */
1.119 nicm 598: if (tty_large_region(tty, ctx)) {
1.1 nicm 599: wp->flags |= PANE_REDRAW;
600: return;
601: }
602:
1.14 nicm 603: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
604: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.113 nicm 605: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 606: } else {
1.14 nicm 607: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.113 nicm 608: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 609: }
610: }
611:
612: void
613: tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
614: {
615: const struct grid_cell *gc;
1.46 nicm 616: struct grid_line *gl;
1.16 nicm 617: struct grid_cell tmpgc;
1.147 nicm 618: struct utf8_data ud;
1.1 nicm 619: u_int i, sx;
620:
1.107 nicm 621: tty_update_mode(tty, tty->mode & ~MODE_CURSOR, s);
1.35 nicm 622:
1.1 nicm 623: sx = screen_size_x(s);
1.19 nicm 624: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
625: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 626: if (sx > tty->sx)
627: sx = tty->sx;
628:
1.46 nicm 629: /*
630: * Don't move the cursor to the start permission if it will wrap there
1.50 nicm 631: * itself.
1.46 nicm 632: */
633: gl = NULL;
634: if (py != 0)
635: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 636: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 637: tty->cx < tty->sx || ox != 0 ||
638: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 639: tty_cursor(tty, ox, oy + py);
640:
1.1 nicm 641: for (i = 0; i < sx; i++) {
642: gc = grid_view_peek_cell(s->grid, i, py);
643: if (screen_check_selection(s, i, py)) {
1.16 nicm 644: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
1.147 nicm 645: grid_cell_get(gc, &ud);
646: grid_cell_set(&tmpgc, &ud);
1.77 nicm 647: tmpgc.flags = gc->flags &
1.38 nicm 648: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
649: tmpgc.flags |= s->sel.cell.flags &
650: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.147 nicm 651: tty_cell(tty, &tmpgc);
1.1 nicm 652: } else
1.147 nicm 653: tty_cell(tty, gc);
1.1 nicm 654: }
655:
1.35 nicm 656: if (sx >= tty->sx) {
1.107 nicm 657: tty_update_mode(tty, tty->mode, s);
1.1 nicm 658: return;
1.35 nicm 659: }
1.1 nicm 660: tty_reset(tty);
661:
1.41 nicm 662: tty_cursor(tty, ox + sx, oy + py);
1.126 nicm 663: if (sx != screen_size_x(s) && ox + screen_size_x(s) >= tty->sx &&
1.117 nicm 664: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 665: tty_putcode(tty, TTYC_EL);
1.133 nicm 666: else
667: tty_repeat_space(tty, screen_size_x(s) - sx);
1.107 nicm 668: tty_update_mode(tty, tty->mode, s);
1.15 nicm 669: }
670:
671: void
1.113 nicm 672: tty_write(
673: void (*cmdfn)(struct tty *, const struct tty_ctx *), struct tty_ctx *ctx)
1.15 nicm 674: {
675: struct window_pane *wp = ctx->wp;
676: struct client *c;
677: u_int i;
678:
1.75 nicm 679: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 680: if (wp == NULL)
681: return;
682:
683: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
684: return;
1.129 nicm 685: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 686: return;
687:
688: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
689: c = ARRAY_ITEM(&clients, i);
1.139 nicm 690: if (c == NULL || c->session == NULL || c->tty.term == NULL)
1.15 nicm 691: continue;
1.142 nicm 692: if (c->flags & CLIENT_SUSPENDED)
693: continue;
694: if (c->tty.flags & TTY_FREEZE)
1.139 nicm 695: continue;
696: if (c->session->curw->window != wp->window)
1.15 nicm 697: continue;
698:
1.139 nicm 699: ctx->xoff = wp->xoff;
700: ctx->yoff = wp->yoff;
701: if (status_at_line(c) == 0)
702: ctx->yoff++;
1.113 nicm 703:
1.139 nicm 704: cmdfn(&c->tty, ctx);
1.1 nicm 705: }
706: }
707:
708: void
1.24 nicm 709: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 710: {
1.77 nicm 711: struct window_pane *wp = ctx->wp;
1.1 nicm 712:
1.135 nicm 713: if (!tty_pane_full_width(tty, ctx)) {
1.113 nicm 714: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 715: return;
716: }
717:
718: tty_reset(tty);
719:
1.77 nicm 720: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 721:
1.1 nicm 722: if (tty_term_has(tty->term, TTYC_ICH) ||
723: tty_term_has(tty->term, TTYC_ICH1))
1.12 nicm 724: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.134 nicm 725: else
1.113 nicm 726: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 727: }
728:
729: void
1.24 nicm 730: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 731: {
1.77 nicm 732: struct window_pane *wp = ctx->wp;
1.1 nicm 733:
1.135 nicm 734: if (!tty_pane_full_width(tty, ctx) ||
1.26 nicm 735: (!tty_term_has(tty->term, TTYC_DCH) &&
736: !tty_term_has(tty->term, TTYC_DCH1))) {
1.113 nicm 737: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 738: return;
739: }
740:
741: tty_reset(tty);
742:
1.77 nicm 743: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 744:
1.26 nicm 745: if (tty_term_has(tty->term, TTYC_DCH) ||
746: tty_term_has(tty->term, TTYC_DCH1))
747: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 748: }
749:
750: void
751: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
752: {
753: u_int i;
754:
755: tty_reset(tty);
756:
757: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
758:
759: if (tty_term_has(tty->term, TTYC_ECH))
760: tty_putcode1(tty, TTYC_ECH, ctx->num);
761: else {
762: for (i = 0; i < ctx->num; i++)
763: tty_putc(tty, ' ');
764: }
1.1 nicm 765: }
766:
767: void
1.24 nicm 768: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 769: {
1.132 nicm 770: if (!tty_pane_full_width(tty, ctx) ||
1.77 nicm 771: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 772: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 773: tty_redraw_region(tty, ctx);
1.1 nicm 774: return;
775: }
776:
777: tty_reset(tty);
778:
1.77 nicm 779: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
780: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 781:
1.12 nicm 782: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 783: }
784:
785: void
1.24 nicm 786: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 787: {
1.132 nicm 788: if (!tty_pane_full_width(tty, ctx) ||
1.72 nicm 789: !tty_term_has(tty->term, TTYC_CSR) ||
790: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 791: tty_redraw_region(tty, ctx);
1.1 nicm 792: return;
793: }
794:
795: tty_reset(tty);
796:
1.77 nicm 797: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
798: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 799:
1.12 nicm 800: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 801: }
802:
803: void
1.24 nicm 804: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 805: {
1.77 nicm 806: struct window_pane *wp = ctx->wp;
1.12 nicm 807: struct screen *s = wp->screen;
1.1 nicm 808:
809: tty_reset(tty);
810:
1.77 nicm 811: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 812:
1.133 nicm 813: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL))
1.1 nicm 814: tty_putcode(tty, TTYC_EL);
1.133 nicm 815: else
816: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 817: }
818:
819: void
1.24 nicm 820: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 821: {
1.77 nicm 822: struct window_pane *wp = ctx->wp;
1.12 nicm 823: struct screen *s = wp->screen;
1.1 nicm 824:
825: tty_reset(tty);
826:
1.41 nicm 827: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
828:
1.132 nicm 829: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL))
1.1 nicm 830: tty_putcode(tty, TTYC_EL);
1.133 nicm 831: else
832: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.1 nicm 833: }
834:
835: void
1.24 nicm 836: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 837: {
838: tty_reset(tty);
839:
1.113 nicm 840: if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1.41 nicm 841: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 842: tty_putcode(tty, TTYC_EL1);
843: } else {
1.41 nicm 844: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 845: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 846: }
847: }
848:
849: void
1.24 nicm 850: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 851: {
1.56 nicm 852: if (ctx->ocy != ctx->orupper)
853: return;
854:
1.132 nicm 855: if (!tty_pane_full_width(tty, ctx) ||
1.70 nicm 856: !tty_term_has(tty->term, TTYC_CSR) ||
857: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 858: tty_redraw_region(tty, ctx);
1.1 nicm 859: return;
860: }
861:
1.56 nicm 862: tty_reset(tty);
1.77 nicm 863:
1.56 nicm 864: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
865: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 866:
1.56 nicm 867: tty_putcode(tty, TTYC_RI);
1.1 nicm 868: }
869:
870: void
1.24 nicm 871: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 872: {
1.77 nicm 873: struct window_pane *wp = ctx->wp;
1.1 nicm 874:
1.56 nicm 875: if (ctx->ocy != ctx->orlower)
876: return;
877:
1.132 nicm 878: if (!tty_pane_full_width(tty, ctx) ||
1.1 nicm 879: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 880: if (tty_large_region(tty, ctx))
881: wp->flags |= PANE_REDRAW;
1.140 nicm 882: else
1.128 nicm 883: tty_redraw_region(tty, ctx);
1.1 nicm 884: return;
885: }
1.52 nicm 886:
887: /*
888: * If this line wrapped naturally (ctx->num is nonzero), don't do
889: * anything - the cursor can just be moved to the last cell and wrap
890: * naturally.
891: */
892: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
893: return;
1.1 nicm 894:
1.56 nicm 895: tty_reset(tty);
1.77 nicm 896:
1.56 nicm 897: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
898: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 899:
1.56 nicm 900: tty_putc(tty, '\n');
1.1 nicm 901: }
902:
903: void
1.24 nicm 904: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 905: {
1.77 nicm 906: struct window_pane *wp = ctx->wp;
1.12 nicm 907: struct screen *s = wp->screen;
908: u_int i, j;
1.1 nicm 909:
910: tty_reset(tty);
911:
1.39 nicm 912: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 913: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 914:
1.132 nicm 915: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.1 nicm 916: tty_putcode(tty, TTYC_EL);
1.14 nicm 917: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 918: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 919: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 920: tty_putcode(tty, TTYC_EL);
921: if (i == screen_size_y(s) - 1)
922: continue;
923: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
924: tty->cy++;
925: }
926: }
927: } else {
1.133 nicm 928: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.68 nicm 929: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 930: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 931: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 932: }
933: }
934: }
935:
936: void
1.24 nicm 937: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 938: {
1.77 nicm 939: struct window_pane *wp = ctx->wp;
1.12 nicm 940: struct screen *s = wp->screen;
941: u_int i, j;
1.1 nicm 942:
943: tty_reset(tty);
944:
1.39 nicm 945: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 946: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 947:
1.132 nicm 948: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.14 nicm 949: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 950: tty_putcode(tty, TTYC_EL);
951: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
952: tty->cy++;
953: }
954: } else {
1.14 nicm 955: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 956: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 957: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 958: }
959: }
1.133 nicm 960: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 961: }
962:
963: void
1.24 nicm 964: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 965: {
1.77 nicm 966: struct window_pane *wp = ctx->wp;
1.12 nicm 967: struct screen *s = wp->screen;
968: u_int i, j;
1.1 nicm 969:
970: tty_reset(tty);
971:
1.39 nicm 972: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 973: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 974:
1.132 nicm 975: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.1 nicm 976: for (i = 0; i < screen_size_y(s); i++) {
977: tty_putcode(tty, TTYC_EL);
978: if (i != screen_size_y(s) - 1) {
979: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
980: tty->cy++;
981: }
982: }
983: } else {
984: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 985: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 986: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 987: }
1.4 nicm 988: }
989: }
990:
991: void
1.24 nicm 992: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 993: {
1.12 nicm 994: struct window_pane *wp = ctx->wp;
995: struct screen *s = wp->screen;
996: u_int i, j;
1.4 nicm 997:
998: tty_reset(tty);
999:
1.39 nicm 1000: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 1001:
1002: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1003: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1004: for (i = 0; i < screen_size_x(s); i++)
1005: tty_putc(tty, 'E');
1.1 nicm 1006: }
1007: }
1008:
1009: void
1.24 nicm 1010: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1011: {
1.46 nicm 1012: struct window_pane *wp = ctx->wp;
1013: struct screen *s = wp->screen;
1.58 nicm 1014: u_int cx;
1.102 nicm 1015: u_int width;
1.46 nicm 1016:
1017: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1018:
1.57 nicm 1019: /* Is the cursor in the very last position? */
1.147 nicm 1020: width = grid_cell_width(ctx->cell);
1.102 nicm 1021: if (ctx->ocx > wp->sx - width) {
1.113 nicm 1022: if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57 nicm 1023: /*
1024: * The pane doesn't fill the entire line, the linefeed
1025: * will already have happened, so just move the cursor.
1026: */
1.125 nicm 1027: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 1028: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1029: else
1030: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.57 nicm 1031: } else if (tty->cx < tty->sx) {
1032: /*
1033: * The cursor isn't in the last position already, so
1.102 nicm 1034: * move as far left as possible and redraw the last
1.57 nicm 1035: * cell to move into the last position.
1036: */
1.147 nicm 1037: cx = screen_size_x(s) - grid_cell_width(&ctx->last_cell);
1.50 nicm 1038: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1.147 nicm 1039: tty_cell(tty, &ctx->last_cell);
1.50 nicm 1040: }
1041: } else
1.46 nicm 1042: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1043:
1.147 nicm 1044: tty_cell(tty, ctx->cell);
1.1 nicm 1045: }
1046:
1047: void
1.24 nicm 1048: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1049: {
1.53 nicm 1050: struct window_pane *wp = ctx->wp;
1.1 nicm 1051:
1.53 nicm 1052: /*
1053: * Cannot rely on not being a partial character, so just redraw the
1054: * whole line.
1055: */
1.113 nicm 1056: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1057: }
1058:
1059: void
1060: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1061: {
1062: char *buf;
1063: size_t off;
1064:
1065: if (!tty_term_has(tty->term, TTYC_MS))
1066: return;
1067:
1068: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1069: buf = xmalloc(off);
1070:
1071: b64_ntop(ctx->ptr, ctx->num, buf, off);
1072: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1073:
1.138 nicm 1074: free(buf);
1.100 nicm 1075: }
1076:
1077: void
1078: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1079: {
1080: u_int i;
1081: u_char *str = ctx->ptr;
1082:
1083: for (i = 0; i < ctx->num; i++)
1084: tty_putc(tty, str[i]);
1.141 nicm 1085:
1086: tty->cx = tty->cy = UINT_MAX;
1087: tty->rupper = tty->rlower = UINT_MAX;
1088:
1089: tty_reset(tty);
1090: tty_cursor(tty, 0, 0);
1.1 nicm 1091: }
1092:
1093: void
1.147 nicm 1094: tty_cell(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1095: {
1.147 nicm 1096: struct utf8_data ud;
1097: u_int i;
1.1 nicm 1098:
1099: /* Skip last character if terminal is stupid. */
1100: if (tty->term->flags & TERM_EARLYWRAP &&
1101: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
1102: return;
1103:
1104: /* If this is a padding character, do nothing. */
1105: if (gc->flags & GRID_FLAG_PADDING)
1106: return;
1107:
1108: /* Set the attributes. */
1109: tty_attributes(tty, gc);
1110:
1.147 nicm 1111: /* Get the cell and if ASCII write with putc to do ACS translation. */
1112: grid_cell_get(gc, &ud);
1113: if (ud.size == 1) {
1114: if (*ud.data < 0x20 || *ud.data == 0x7f)
1.1 nicm 1115: return;
1.147 nicm 1116: tty_putc(tty, *ud.data);
1.1 nicm 1117: return;
1118: }
1119:
1.147 nicm 1120: /* If not UTF-8, write _. */
1.1 nicm 1121: if (!(tty->flags & TTY_UTF8)) {
1.147 nicm 1122: for (i = 0; i < ud.width; i++)
1.1 nicm 1123: tty_putc(tty, '_');
1124: return;
1125: }
1126:
1.147 nicm 1127: /* Write the data. */
1128: tty_putn(tty, ud.data, ud.size, ud.width);
1.1 nicm 1129: }
1130:
1131: void
1132: tty_reset(struct tty *tty)
1133: {
1134: struct grid_cell *gc = &tty->cell;
1135:
1136: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
1137: return;
1138:
1.90 nicm 1139: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1140: tty_putcode(tty, TTYC_RMACS);
1141: tty_putcode(tty, TTYC_SGR0);
1142: memcpy(gc, &grid_default_cell, sizeof *gc);
1143: }
1144:
1.40 nicm 1145: /* Set region inside pane. */
1.1 nicm 1146: void
1.39 nicm 1147: tty_region_pane(
1148: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 1149: {
1.113 nicm 1150: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1151: }
1152:
1.40 nicm 1153: /* Set region at absolute position. */
1.39 nicm 1154: void
1.40 nicm 1155: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1156: {
1157: if (tty->rlower == rlower && tty->rupper == rupper)
1158: return;
1.1 nicm 1159: if (!tty_term_has(tty->term, TTYC_CSR))
1160: return;
1.39 nicm 1161:
1162: tty->rupper = rupper;
1163: tty->rlower = rlower;
1.55 nicm 1164:
1165: /*
1166: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1167: * 0,0 if it is beyond the last column (they do not reset their wrap
1168: * flag so further output causes a line feed). As a workaround, do an
1169: * explicit move to 0 first.
1170: */
1171: if (tty->cx >= tty->sx)
1172: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1173:
1.39 nicm 1174: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1175: tty_cursor(tty, 0, 0);
1.1 nicm 1176: }
1177:
1.42 nicm 1178: /* Move cursor inside pane. */
1.1 nicm 1179: void
1.41 nicm 1180: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1181: {
1.113 nicm 1182: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1183: }
1184:
1.42 nicm 1185: /* Move cursor to absolute position. */
1.41 nicm 1186: void
1187: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1188: {
1.42 nicm 1189: struct tty_term *term = tty->term;
1190: u_int thisx, thisy;
1191: int change;
1.77 nicm 1192:
1.42 nicm 1193: if (cx > tty->sx - 1)
1194: cx = tty->sx - 1;
1195:
1196: thisx = tty->cx;
1197: thisy = tty->cy;
1198:
1199: /* No change. */
1200: if (cx == thisx && cy == thisy)
1201: return;
1202:
1.43 nicm 1203: /* Very end of the line, just use absolute movement. */
1204: if (thisx > tty->sx - 1)
1205: goto absolute;
1206:
1.42 nicm 1207: /* Move to home position (0, 0). */
1208: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1209: tty_putcode(tty, TTYC_HOME);
1210: goto out;
1211: }
1212:
1213: /* Zero on the next line. */
1.48 nicm 1214: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1215: tty_putc(tty, '\r');
1.42 nicm 1216: tty_putc(tty, '\n');
1217: goto out;
1218: }
1219:
1.45 nicm 1220: /* Moving column or row. */
1.42 nicm 1221: if (cy == thisy) {
1.45 nicm 1222: /*
1223: * Moving column only, row staying the same.
1224: */
1225:
1.42 nicm 1226: /* To left edge. */
1227: if (cx == 0) {
1228: tty_putc(tty, '\r');
1229: goto out;
1230: }
1231:
1232: /* One to the left. */
1233: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1234: tty_putcode(tty, TTYC_CUB1);
1235: goto out;
1236: }
1237:
1238: /* One to the right. */
1239: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1240: tty_putcode(tty, TTYC_CUF1);
1241: goto out;
1242: }
1243:
1244: /* Calculate difference. */
1245: change = thisx - cx; /* +ve left, -ve right */
1246:
1247: /*
1248: * Use HPA if change is larger than absolute, otherwise move
1249: * the cursor with CUB/CUF.
1250: */
1.87 nicm 1251: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1252: tty_putcode1(tty, TTYC_HPA, cx);
1253: goto out;
1254: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1255: tty_putcode1(tty, TTYC_CUB, change);
1256: goto out;
1257: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1258: tty_putcode1(tty, TTYC_CUF, -change);
1259: goto out;
1260: }
1.45 nicm 1261: } else if (cx == thisx) {
1262: /*
1263: * Moving row only, column staying the same.
1264: */
1.42 nicm 1265:
1266: /* One above. */
1.77 nicm 1267: if (thisy != tty->rupper &&
1.42 nicm 1268: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1269: tty_putcode(tty, TTYC_CUU1);
1270: goto out;
1271: }
1272:
1273: /* One below. */
1.49 nicm 1274: if (thisy != tty->rlower &&
1.42 nicm 1275: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1276: tty_putcode(tty, TTYC_CUD1);
1277: goto out;
1278: }
1279:
1280: /* Calculate difference. */
1281: change = thisy - cy; /* +ve up, -ve down */
1282:
1283: /*
1.77 nicm 1284: * Try to use VPA if change is larger than absolute or if this
1285: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1286: */
1.87 nicm 1287: if ((u_int) abs(change) > cy ||
1.42 nicm 1288: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1289: (change > 0 && cy - change < tty->rupper)) {
1290: if (tty_term_has(term, TTYC_VPA)) {
1291: tty_putcode1(tty, TTYC_VPA, cy);
1292: goto out;
1293: }
1.42 nicm 1294: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1295: tty_putcode1(tty, TTYC_CUU, change);
1296: goto out;
1297: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1298: tty_putcode1(tty, TTYC_CUD, -change);
1299: goto out;
1300: }
1301: }
1302:
1.43 nicm 1303: absolute:
1.42 nicm 1304: /* Absolute movement. */
1305: tty_putcode2(tty, TTYC_CUP, cy, cx);
1306:
1307: out:
1308: tty->cx = cx;
1309: tty->cy = cy;
1.1 nicm 1310: }
1311:
1312: void
1313: tty_attributes(struct tty *tty, const struct grid_cell *gc)
1314: {
1.63 nicm 1315: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1316: u_char changed;
1.61 nicm 1317:
1.85 nicm 1318: memcpy(&gc2, gc, sizeof gc2);
1.63 nicm 1319:
1.18 nicm 1320: /*
1321: * If no setab, try to use the reverse attribute as a best-effort for a
1322: * non-default background. This is a bit of a hack but it doesn't do
1323: * any serious harm and makes a couple of applications happier.
1324: */
1325: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1326: if (gc2.attr & GRID_ATTR_REVERSE) {
1327: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1328: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1329: } else {
1.85 nicm 1330: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1331: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1332: }
1333: }
1.1 nicm 1334:
1.85 nicm 1335: /* Fix up the colours if necessary. */
1336: tty_check_fg(tty, &gc2);
1337: tty_check_bg(tty, &gc2);
1338:
1.64 nicm 1339: /* If any bits are being cleared, reset everything. */
1.85 nicm 1340: if (tc->attr & ~gc2.attr)
1.64 nicm 1341: tty_reset(tty);
1342:
1343: /*
1344: * Set the colours. This may call tty_reset() (so it comes next) and
1345: * may add to (NOT remove) the desired attributes by changing new_attr.
1346: */
1.85 nicm 1347: tty_colours(tty, &gc2);
1.64 nicm 1348:
1.1 nicm 1349: /* Filter out attribute bits already set. */
1.85 nicm 1350: changed = gc2.attr & ~tc->attr;
1351: tc->attr = gc2.attr;
1.1 nicm 1352:
1353: /* Set the attributes. */
1354: if (changed & GRID_ATTR_BRIGHT)
1355: tty_putcode(tty, TTYC_BOLD);
1356: if (changed & GRID_ATTR_DIM)
1357: tty_putcode(tty, TTYC_DIM);
1.164 nicm 1358: if (changed & GRID_ATTR_ITALICS) {
1.104 nicm 1359: if (tty_term_has(tty->term, TTYC_SITM))
1360: tty_putcode(tty, TTYC_SITM);
1361: else
1362: tty_putcode(tty, TTYC_SMSO);
1363: }
1.1 nicm 1364: if (changed & GRID_ATTR_UNDERSCORE)
1365: tty_putcode(tty, TTYC_SMUL);
1366: if (changed & GRID_ATTR_BLINK)
1367: tty_putcode(tty, TTYC_BLINK);
1368: if (changed & GRID_ATTR_REVERSE) {
1369: if (tty_term_has(tty->term, TTYC_REV))
1370: tty_putcode(tty, TTYC_REV);
1371: else if (tty_term_has(tty->term, TTYC_SMSO))
1372: tty_putcode(tty, TTYC_SMSO);
1373: }
1374: if (changed & GRID_ATTR_HIDDEN)
1375: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1376: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1377: tty_putcode(tty, TTYC_SMACS);
1378: }
1379:
1.61 nicm 1380: void
1.85 nicm 1381: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1382: {
1.61 nicm 1383: struct grid_cell *tc = &tty->cell;
1.62 nicm 1384: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1385: int have_ax, fg_default, bg_default;
1.61 nicm 1386:
1387: /* No changes? Nothing is necessary. */
1.62 nicm 1388: if (fg == tc->fg && bg == tc->bg &&
1389: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1390: return;
1.1 nicm 1391:
1.61 nicm 1392: /*
1393: * Is either the default colour? This is handled specially because the
1394: * best solution might be to reset both colours to default, in which
1395: * case if only one is default need to fall onward to set the other
1396: * colour.
1397: */
1.62 nicm 1398: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1399: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1400: if (fg_default || bg_default) {
1401: /*
1402: * If don't have AX but do have op, send sgr0 (op can't
1403: * actually be used because it is sometimes the same as sgr0
1404: * and sometimes isn't). This resets both colours to default.
1405: *
1406: * Otherwise, try to set the default colour only as needed.
1407: */
1408: have_ax = tty_term_has(tty->term, TTYC_AX);
1409: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1410: tty_reset(tty);
1411: else {
1412: if (fg_default &&
1.81 nicm 1413: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1414: if (have_ax)
1415: tty_puts(tty, "\033[39m");
1.81 nicm 1416: else if (tc->fg != 7 ||
1417: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1418: tty_putcode1(tty, TTYC_SETAF, 7);
1419: tc->fg = 8;
1420: tc->flags &= ~GRID_FLAG_FG256;
1421: }
1422: if (bg_default &&
1.81 nicm 1423: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1424: if (have_ax)
1.61 nicm 1425: tty_puts(tty, "\033[49m");
1.81 nicm 1426: else if (tc->bg != 0 ||
1427: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1428: tty_putcode1(tty, TTYC_SETAB, 0);
1429: tc->bg = 8;
1430: tc->flags &= ~GRID_FLAG_BG256;
1431: }
1432: }
1433: }
1.1 nicm 1434:
1.61 nicm 1435: /* Set the foreground colour. */
1436: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1437: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 nicm 1438: tty_colours_fg(tty, gc);
1.1 nicm 1439:
1.61 nicm 1440: /*
1441: * Set the background colour. This must come after the foreground as
1442: * tty_colour_fg() can call tty_reset().
1443: */
1444: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1445: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1446: tty_colours_bg(tty, gc);
1.1 nicm 1447: }
1448:
1449: void
1.85 nicm 1450: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1451: {
1452: u_int colours;
1453:
1454: /* Is this a 256-colour colour? */
1455: if (gc->flags & GRID_FLAG_FG256) {
1456: /* And not a 256 colour mode? */
1.158 nicm 1457: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1458: !(tty->term_flags & TERM_256COLOURS)) {
1459: gc->fg = colour_256to16(gc->fg);
1460: if (gc->fg & 8) {
1461: gc->fg &= 7;
1462: gc->attr |= GRID_ATTR_BRIGHT;
1463: } else
1464: gc->attr &= ~GRID_ATTR_BRIGHT;
1465: gc->flags &= ~GRID_FLAG_FG256;
1466: }
1467: return;
1468: }
1469:
1470: /* Is this an aixterm colour? */
1471: colours = tty_term_number(tty->term, TTYC_COLORS);
1472: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1473: gc->fg -= 90;
1474: gc->attr |= GRID_ATTR_BRIGHT;
1475: }
1476: }
1477:
1478: void
1479: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1480: {
1481: u_int colours;
1482:
1483: /* Is this a 256-colour colour? */
1484: if (gc->flags & GRID_FLAG_BG256) {
1485: /*
1486: * And not a 256 colour mode? Translate to 16-colour
1487: * palette. Bold background doesn't exist portably, so just
1488: * discard the bold bit if set.
1489: */
1.158 nicm 1490: if (!(tty->term->flags & TERM_256COLOURS) &&
1.85 nicm 1491: !(tty->term_flags & TERM_256COLOURS)) {
1492: gc->bg = colour_256to16(gc->bg);
1493: if (gc->bg & 8)
1494: gc->bg &= 7;
1495: gc->attr &= ~GRID_ATTR_BRIGHT;
1496: gc->flags &= ~GRID_FLAG_BG256;
1497: }
1498: return;
1499: }
1500:
1501: /* Is this an aixterm colour? */
1502: colours = tty_term_number(tty->term, TTYC_COLORS);
1.112 nicm 1503: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16) {
1.85 nicm 1504: gc->bg -= 90;
1505: gc->attr |= GRID_ATTR_BRIGHT;
1506: }
1507: }
1508:
1509: void
1510: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1511: {
1.61 nicm 1512: struct grid_cell *tc = &tty->cell;
1513: u_char fg = gc->fg;
1.79 nicm 1514: char s[32];
1.1 nicm 1515:
1.61 nicm 1516: /* Is this a 256-colour colour? */
1.1 nicm 1517: if (gc->flags & GRID_FLAG_FG256) {
1.158 nicm 1518: /* Try as 256 colours. */
1.1 nicm 1519: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1520: goto save_fg;
1.85 nicm 1521: /* Else already handled by tty_check_fg. */
1522: return;
1.1 nicm 1523: }
1524:
1.79 nicm 1525: /* Is this an aixterm bright colour? */
1526: if (fg >= 90 && fg <= 97) {
1.85 nicm 1527: xsnprintf(s, sizeof s, "\033[%dm", fg);
1528: tty_puts(tty, s);
1529: goto save_fg;
1.79 nicm 1530: }
1531:
1.61 nicm 1532: /* Otherwise set the foreground colour. */
1533: tty_putcode1(tty, TTYC_SETAF, fg);
1534:
1.77 nicm 1535: save_fg:
1.61 nicm 1536: /* Save the new values in the terminal current cell. */
1537: tc->fg = fg;
1538: tc->flags &= ~GRID_FLAG_FG256;
1539: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1540: }
1541:
1542: void
1.73 nicm 1543: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1544: {
1.61 nicm 1545: struct grid_cell *tc = &tty->cell;
1546: u_char bg = gc->bg;
1.79 nicm 1547: char s[32];
1.1 nicm 1548:
1.61 nicm 1549: /* Is this a 256-colour colour? */
1.1 nicm 1550: if (gc->flags & GRID_FLAG_BG256) {
1.158 nicm 1551: /* Try as 256 colours. */
1.1 nicm 1552: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1553: goto save_bg;
1.85 nicm 1554: /* Else already handled by tty_check_bg. */
1555: return;
1.79 nicm 1556: }
1557:
1558: /* Is this an aixterm bright colour? */
1.112 nicm 1559: if (bg >= 90 && bg <= 97) {
1.79 nicm 1560: /* 16 colour terminals or above only. */
1561: if (tty_term_number(tty->term, TTYC_COLORS) >= 16) {
1.112 nicm 1562: xsnprintf(s, sizeof s, "\033[%dm", bg + 10);
1.79 nicm 1563: tty_puts(tty, s);
1564: goto save_bg;
1565: }
1.112 nicm 1566: bg -= 90;
1.79 nicm 1567: /* no such thing as a bold background */
1.1 nicm 1568: }
1569:
1.61 nicm 1570: /* Otherwise set the background colour. */
1571: tty_putcode1(tty, TTYC_SETAB, bg);
1572:
1573: save_bg:
1574: /* Save the new values in the terminal current cell. */
1575: tc->bg = bg;
1576: tc->flags &= ~GRID_FLAG_BG256;
1577: tc->flags |= gc->flags & GRID_FLAG_BG256;
1578: }
1579:
1580: int
1581: tty_try_256(struct tty *tty, u_char colour, const char *type)
1582: {
1583: char s[32];
1584:
1.165 nicm 1585: /*
1586: * If the terminfo entry has 256 colours, assume that setaf and setab
1587: * work correctly.
1588: */
1589: if (tty->term->flags & TERM_256COLOURS) {
1590: if (*type == '3')
1591: tty_putcode1(tty, TTYC_SETAF, colour);
1592: else
1593: tty_putcode1(tty, TTYC_SETAB, colour);
1594: return (0);
1595: }
1596:
1597: /*
1598: * If the user has specified -2 to the client, setaf and setab may not
1599: * work, so send the usual sequence.
1600: */
1601: if (tty->term_flags & TERM_256COLOURS) {
1602: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1603: tty_puts(tty, s);
1604: return (0);
1605: }
1.61 nicm 1606:
1.165 nicm 1607: return (-1);
1.110 nicm 1608: }
1609:
1610: void
1611: tty_bell(struct tty *tty)
1612: {
1613: tty_putcode(tty, TTYC_BEL);
1.1 nicm 1614: }
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