Annotation of src/usr.bin/tmux/tty.c, Revision 1.144
1.144 ! nicm 1: /* $OpenBSD: tty.c,v 1.143 2012/11/22 14:10:53 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/ioctl.h>
21:
1.106 nicm 22: #include <netinet/in.h>
23:
1.1 nicm 24: #include <errno.h>
25: #include <fcntl.h>
1.106 nicm 26: #include <resolv.h>
1.42 nicm 27: #include <stdlib.h>
1.1 nicm 28: #include <string.h>
29: #include <termios.h>
30: #include <unistd.h>
31:
32: #include "tmux.h"
33:
1.67 nicm 34: void tty_read_callback(struct bufferevent *, void *);
1.66 nicm 35: void tty_error_callback(struct bufferevent *, short, void *);
36:
1.1 nicm 37: int tty_try_256(struct tty *, u_char, const char *);
38: int tty_try_88(struct tty *, u_char, const char *);
39:
1.85 nicm 40: void tty_colours(struct tty *, const struct grid_cell *);
41: void tty_check_fg(struct tty *, struct grid_cell *);
42: void tty_check_bg(struct tty *, struct grid_cell *);
43: void tty_colours_fg(struct tty *, const struct grid_cell *);
1.73 nicm 44: void tty_colours_bg(struct tty *, const struct grid_cell *);
1.1 nicm 45:
1.120 nicm 46: int tty_large_region(struct tty *, const struct tty_ctx *);
1.24 nicm 47: void tty_redraw_region(struct tty *, const struct tty_ctx *);
1.13 nicm 48: void tty_emulate_repeat(
49: struct tty *, enum tty_code_code, enum tty_code_code, u_int);
1.133 nicm 50: void tty_repeat_space(struct tty *, u_int);
1.14 nicm 51: void tty_cell(struct tty *,
1.77 nicm 52: const struct grid_cell *, const struct grid_utf8 *);
1.1 nicm 53:
1.90 nicm 54: #define tty_use_acs(tty) \
1.131 nicm 55: (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.90 nicm 56:
1.132 nicm 57: #define tty_pane_full_width(tty, ctx) \
58: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
59:
1.1 nicm 60: void
1.136 nicm 61: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 62: {
1.30 nicm 63: char *path;
64:
65: memset(tty, 0, sizeof *tty);
1.23 nicm 66: tty->log_fd = -1;
1.22 nicm 67:
1.9 nicm 68: if (term == NULL || *term == '\0')
1.1 nicm 69: tty->termname = xstrdup("unknown");
70: else
71: tty->termname = xstrdup(term);
1.30 nicm 72: tty->fd = fd;
1.136 nicm 73: tty->client = c;
1.30 nicm 74:
75: if ((path = ttyname(fd)) == NULL)
76: fatalx("ttyname failed");
77: tty->path = xstrdup(path);
1.108 nicm 78: tty->cstyle = 0;
1.107 nicm 79: tty->ccolour = xstrdup("");
1.30 nicm 80:
1.1 nicm 81: tty->flags = 0;
82: tty->term_flags = 0;
1.31 nicm 83: }
84:
1.88 nicm 85: int
1.31 nicm 86: tty_resize(struct tty *tty)
87: {
88: struct winsize ws;
1.88 nicm 89: u_int sx, sy;
1.31 nicm 90:
91: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 92: sx = ws.ws_col;
93: if (sx == 0)
94: sx = 80;
95: sy = ws.ws_row;
96: if (sy == 0)
97: sy = 24;
98: } else {
99: sx = 80;
100: sy = 24;
1.31 nicm 101: }
1.114 nicm 102: if (!tty_set_size(tty, sx, sy))
1.88 nicm 103: return (0);
1.31 nicm 104:
105: tty->cx = UINT_MAX;
106: tty->cy = UINT_MAX;
107:
108: tty->rupper = UINT_MAX;
109: tty->rlower = UINT_MAX;
1.88 nicm 110:
111: /*
112: * If the terminal has been started, reset the actual scroll region and
113: * cursor position, as this may not have happened.
114: */
115: if (tty->flags & TTY_STARTED) {
116: tty_cursor(tty, 0, 0);
117: tty_region(tty, 0, tty->sy - 1);
118: }
119:
1.114 nicm 120: return (1);
121: }
122:
123: int
124: tty_set_size(struct tty *tty, u_int sx, u_int sy) {
125: if (sx == tty->sx && sy == tty->sy)
126: return (0);
127: tty->sx = sx;
128: tty->sy = sy;
1.88 nicm 129: return (1);
1.1 nicm 130: }
131:
132: int
1.17 nicm 133: tty_open(struct tty *tty, const char *overrides, char **cause)
1.1 nicm 134: {
1.88 nicm 135: char out[64];
1.30 nicm 136: int fd;
1.1 nicm 137:
1.30 nicm 138: if (debug_level > 3) {
1.88 nicm 139: xsnprintf(out, sizeof out, "tmux-out-%ld.log", (long) getpid());
140: fd = open(out, O_WRONLY|O_CREAT|O_TRUNC, 0644);
1.30 nicm 141: if (fd != -1 && fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
142: fatal("fcntl failed");
143: tty->log_fd = fd;
1.1 nicm 144: }
145:
1.17 nicm 146: tty->term = tty_term_find(tty->termname, tty->fd, overrides, cause);
1.21 nicm 147: if (tty->term == NULL) {
148: tty_close(tty);
149: return (-1);
150: }
151: tty->flags |= TTY_OPENED;
1.1 nicm 152:
1.66 nicm 153: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_ESCAPE);
1.1 nicm 154:
1.66 nicm 155: tty->event = bufferevent_new(
1.67 nicm 156: tty->fd, tty_read_callback, NULL, tty_error_callback, tty);
1.1 nicm 157:
158: tty_start_tty(tty);
159:
160: tty_keys_init(tty);
161:
162: return (0);
163: }
164:
1.73 nicm 165: /* ARGSUSED */
1.1 nicm 166: void
1.67 nicm 167: tty_read_callback(unused struct bufferevent *bufev, void *data)
168: {
169: struct tty *tty = data;
170:
171: while (tty_keys_next(tty))
172: ;
173: }
174:
1.73 nicm 175: /* ARGSUSED */
1.67 nicm 176: void
1.66 nicm 177: tty_error_callback(
178: unused struct bufferevent *bufev, unused short what, unused void *data)
179: {
180: }
181:
182: void
1.127 nicm 183: tty_init_termios(int fd, struct termios *orig_tio, struct bufferevent *bufev)
1.1 nicm 184: {
1.128 nicm 185: struct termios tio;
1.33 nicm 186:
1.127 nicm 187: if (fd == -1 || tcgetattr(fd, orig_tio) != 0)
1.33 nicm 188: return;
1.1 nicm 189:
1.127 nicm 190: setblocking(fd, 0);
1.34 nicm 191:
1.127 nicm 192: if (bufev != NULL)
193: bufferevent_enable(bufev, EV_READ|EV_WRITE);
1.66 nicm 194:
1.127 nicm 195: memcpy(&tio, orig_tio, sizeof tio);
1.1 nicm 196: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
197: tio.c_iflag |= IGNBRK;
198: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
199: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
200: ECHOPRT|ECHOKE|ECHOCTL|ISIG);
201: tio.c_cc[VMIN] = 1;
1.60 deraadt 202: tio.c_cc[VTIME] = 0;
1.127 nicm 203: if (tcsetattr(fd, TCSANOW, &tio) == 0)
204: tcflush(fd, TCIOFLUSH);
205: }
206:
207: void
208: tty_start_tty(struct tty *tty)
209: {
210: tty_init_termios(tty->fd, &tty->tio, tty->event);
1.1 nicm 211:
1.10 nicm 212: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 213:
1.25 nicm 214: tty_putcode(tty, TTYC_SGR0);
215: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
216:
1.76 nicm 217: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 218: if (tty_use_acs(tty))
219: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 220: tty_putcode(tty, TTYC_CLEAR);
221:
222: tty_putcode(tty, TTYC_CNORM);
223: if (tty_term_has(tty->term, TTYC_KMOUS))
224: tty_puts(tty, "\033[?1000l");
1.121 nicm 225:
226: if (tty_term_has(tty->term, TTYC_XT))
1.144 ! nicm 227: tty_puts(tty, "\033[c");
1.1 nicm 228:
229: tty->cx = UINT_MAX;
230: tty->cy = UINT_MAX;
231:
232: tty->rlower = UINT_MAX;
233: tty->rupper = UINT_MAX;
234:
235: tty->mode = MODE_CURSOR;
1.20 nicm 236:
237: tty->flags |= TTY_STARTED;
1.107 nicm 238:
239: tty_force_cursor_colour(tty, "");
1.128 nicm 240: }
241:
242: void
1.1 nicm 243: tty_stop_tty(struct tty *tty)
244: {
245: struct winsize ws;
246:
1.20 nicm 247: if (!(tty->flags & TTY_STARTED))
248: return;
249: tty->flags &= ~TTY_STARTED;
250:
1.66 nicm 251: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
252:
1.1 nicm 253: /*
254: * Be flexible about error handling and try not kill the server just
255: * because the fd is invalid. Things like ssh -t can easily leave us
256: * with a dead tty.
257: */
258: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
259: return;
260: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
261: return;
262:
1.103 nicm 263: setblocking(tty->fd, 1);
264:
1.1 nicm 265: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 266: if (tty_use_acs(tty))
267: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 268: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
269: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
270: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.108 nicm 271: if (tty_term_has(tty->term, TTYC_CS1) && tty->cstyle != 0) {
272: if (tty_term_has(tty->term, TTYC_CSR1))
273: tty_raw(tty, tty_term_string(tty->term, TTYC_CSR1));
1.109 nicm 274: else
1.108 nicm 275: tty_raw(tty, tty_term_string1(tty->term, TTYC_CS1, 0));
276: }
1.107 nicm 277: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 278:
279: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
280: if (tty_term_has(tty->term, TTYC_KMOUS))
281: tty_raw(tty, "\033[?1000l");
1.10 nicm 282:
283: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.1 nicm 284: }
285:
286: void
1.20 nicm 287: tty_close(struct tty *tty)
1.1 nicm 288: {
289: if (tty->log_fd != -1) {
290: close(tty->log_fd);
291: tty->log_fd = -1;
292: }
293:
1.123 nicm 294: if (event_initialized(&tty->key_timer))
295: evtimer_del(&tty->key_timer);
1.20 nicm 296: tty_stop_tty(tty);
1.1 nicm 297:
1.21 nicm 298: if (tty->flags & TTY_OPENED) {
1.66 nicm 299: bufferevent_free(tty->event);
300:
1.21 nicm 301: tty_term_free(tty->term);
302: tty_keys_free(tty);
303:
304: tty->flags &= ~TTY_OPENED;
305: }
1.1 nicm 306:
1.21 nicm 307: if (tty->fd != -1) {
308: close(tty->fd);
309: tty->fd = -1;
310: }
1.1 nicm 311: }
312:
313: void
1.20 nicm 314: tty_free(struct tty *tty)
1.1 nicm 315: {
1.20 nicm 316: tty_close(tty);
1.1 nicm 317:
1.138 nicm 318: free(tty->ccolour);
1.1 nicm 319: if (tty->path != NULL)
1.138 nicm 320: free(tty->path);
1.1 nicm 321: if (tty->termname != NULL)
1.138 nicm 322: free(tty->termname);
1.1 nicm 323: }
324:
325: void
326: tty_raw(struct tty *tty, const char *s)
327: {
328: write(tty->fd, s, strlen(s));
329: }
330:
331: void
332: tty_putcode(struct tty *tty, enum tty_code_code code)
333: {
334: tty_puts(tty, tty_term_string(tty->term, code));
335: }
336:
337: void
338: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
339: {
340: if (a < 0)
341: return;
342: tty_puts(tty, tty_term_string1(tty->term, code, a));
343: }
344:
345: void
346: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
347: {
348: if (a < 0 || b < 0)
349: return;
350: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
351: }
352:
353: void
1.107 nicm 354: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
355: {
356: if (a != NULL)
357: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
358: }
359:
360: void
1.106 nicm 361: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a, const void *b)
362: {
363: if (a != NULL && b != NULL)
364: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
365: }
366:
367: void
1.1 nicm 368: tty_puts(struct tty *tty, const char *s)
369: {
370: if (*s == '\0')
371: return;
1.66 nicm 372: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 373:
374: if (tty->log_fd != -1)
375: write(tty->log_fd, s, strlen(s));
376: }
377:
378: void
379: tty_putc(struct tty *tty, u_char ch)
380: {
1.90 nicm 381: const char *acs;
382: u_int sx;
1.1 nicm 383:
1.90 nicm 384: if (tty->cell.attr & GRID_ATTR_CHARSET) {
385: acs = tty_acs_get(tty, ch);
386: if (acs != NULL)
387: bufferevent_write(tty->event, acs, strlen(acs));
388: else
389: bufferevent_write(tty->event, &ch, 1);
390: } else
391: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 392:
393: if (ch >= 0x20 && ch != 0x7f) {
394: sx = tty->sx;
395: if (tty->term->flags & TERM_EARLYWRAP)
396: sx--;
397:
1.46 nicm 398: if (tty->cx >= sx) {
399: tty->cx = 1;
400: if (tty->cy != tty->rlower)
401: tty->cy++;
1.1 nicm 402: } else
403: tty->cx++;
404: }
405:
406: if (tty->log_fd != -1)
407: write(tty->log_fd, &ch, 1);
408: }
409:
410: void
1.5 nicm 411: tty_pututf8(struct tty *tty, const struct grid_utf8 *gu)
412: {
1.71 nicm 413: size_t size;
1.5 nicm 414:
1.71 nicm 415: size = grid_utf8_size(gu);
416: bufferevent_write(tty->event, gu->data, size);
417: if (tty->log_fd != -1)
418: write(tty->log_fd, gu->data, size);
1.54 nicm 419: tty->cx += gu->width;
1.5 nicm 420: }
421:
422: void
1.1 nicm 423: tty_set_title(struct tty *tty, const char *title)
424: {
1.105 nicm 425: if (!tty_term_has(tty->term, TTYC_TSL) ||
426: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 427: return;
428:
1.105 nicm 429: tty_putcode(tty, TTYC_TSL);
1.1 nicm 430: tty_puts(tty, title);
1.105 nicm 431: tty_putcode(tty, TTYC_FSL);
1.1 nicm 432: }
433:
434: void
1.107 nicm 435: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
436: {
437: if (*ccolour == '\0')
438: tty_putcode(tty, TTYC_CR);
439: else
440: tty_putcode_ptr1(tty, TTYC_CC, ccolour);
1.138 nicm 441: free(tty->ccolour);
1.107 nicm 442: tty->ccolour = xstrdup(ccolour);
443: }
444:
445: void
446: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 447: {
448: int changed;
449:
1.107 nicm 450: if (strcmp(s->ccolour, tty->ccolour))
451: tty_force_cursor_colour(tty, s->ccolour);
452:
1.1 nicm 453: if (tty->flags & TTY_NOCURSOR)
454: mode &= ~MODE_CURSOR;
455:
456: changed = mode ^ tty->mode;
457: if (changed & MODE_CURSOR) {
458: if (mode & MODE_CURSOR)
459: tty_putcode(tty, TTYC_CNORM);
460: else
461: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 462: }
463: if (tty->cstyle != s->cstyle) {
464: if (tty_term_has(tty->term, TTYC_CS1)) {
465: if (s->cstyle == 0 &&
466: tty_term_has(tty->term, TTYC_CSR1))
467: tty_putcode(tty, TTYC_CSR1);
468: else
469: tty_putcode1(tty, TTYC_CS1, s->cstyle);
470: }
471: tty->cstyle = s->cstyle;
1.1 nicm 472: }
1.94 nicm 473: if (changed & ALL_MOUSE_MODES) {
474: if (mode & ALL_MOUSE_MODES) {
1.95 nicm 475: if (mode & MODE_MOUSE_UTF8)
476: tty_puts(tty, "\033[?1005h");
1.98 nicm 477: if (mode & MODE_MOUSE_ANY)
478: tty_puts(tty, "\033[?1003h");
1.94 nicm 479: else if (mode & MODE_MOUSE_BUTTON)
480: tty_puts(tty, "\033[?1002h");
1.98 nicm 481: else if (mode & MODE_MOUSE_STANDARD)
482: tty_puts(tty, "\033[?1000h");
1.86 nicm 483: } else {
1.98 nicm 484: if (tty->mode & MODE_MOUSE_ANY)
485: tty_puts(tty, "\033[?1003l");
1.94 nicm 486: else if (tty->mode & MODE_MOUSE_BUTTON)
487: tty_puts(tty, "\033[?1002l");
1.98 nicm 488: else if (tty->mode & MODE_MOUSE_STANDARD)
489: tty_puts(tty, "\033[?1000l");
1.95 nicm 490: if (tty->mode & MODE_MOUSE_UTF8)
491: tty_puts(tty, "\033[?1005l");
1.86 nicm 492: }
1.76 nicm 493: }
494: if (changed & MODE_KKEYPAD) {
495: if (mode & MODE_KKEYPAD)
496: tty_putcode(tty, TTYC_SMKX);
497: else
498: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 499: }
500: if (changed & MODE_BRACKETPASTE) {
501: if (mode & MODE_BRACKETPASTE)
502: tty_puts(tty, "\033[?2004h");
503: else
504: tty_puts(tty, "\033[?2004l");
1.1 nicm 505: }
506: tty->mode = mode;
507: }
508:
509: void
510: tty_emulate_repeat(
511: struct tty *tty, enum tty_code_code code, enum tty_code_code code1, u_int n)
512: {
513: if (tty_term_has(tty->term, code))
514: tty_putcode1(tty, code, n);
515: else {
516: while (n-- > 0)
517: tty_putcode(tty, code1);
518: }
519: }
520:
1.133 nicm 521: void
522: tty_repeat_space(struct tty *tty, u_int n)
523: {
524: while (n-- > 0)
525: tty_putc(tty, ' ');
526: }
527:
1.1 nicm 528: /*
1.119 nicm 529: * Is the region large enough to be worth redrawing once later rather than
530: * probably several times now? Currently yes if it is more than 50% of the
531: * pane.
532: */
533: int
534: tty_large_region(unused struct tty *tty, const struct tty_ctx *ctx)
535: {
536: struct window_pane *wp = ctx->wp;
537:
538: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
539: }
540:
541: /*
1.1 nicm 542: * Redraw scroll region using data from screen (already updated). Used when
543: * CSR not supported, or window is a pane that doesn't take up the full
544: * width of the terminal.
545: */
546: void
1.24 nicm 547: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 548: {
1.14 nicm 549: struct window_pane *wp = ctx->wp;
550: struct screen *s = wp->screen;
551: u_int i;
1.1 nicm 552:
553: /*
1.119 nicm 554: * If region is large, schedule a window redraw. In most cases this is
555: * likely to be followed by some more scrolling.
1.1 nicm 556: */
1.119 nicm 557: if (tty_large_region(tty, ctx)) {
1.1 nicm 558: wp->flags |= PANE_REDRAW;
559: return;
560: }
561:
1.14 nicm 562: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
563: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.113 nicm 564: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 565: } else {
1.14 nicm 566: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.113 nicm 567: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 568: }
569: }
570:
571: void
572: tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
573: {
574: const struct grid_cell *gc;
1.46 nicm 575: struct grid_line *gl;
1.16 nicm 576: struct grid_cell tmpgc;
1.1 nicm 577: const struct grid_utf8 *gu;
578: u_int i, sx;
579:
1.107 nicm 580: tty_update_mode(tty, tty->mode & ~MODE_CURSOR, s);
1.35 nicm 581:
1.1 nicm 582: sx = screen_size_x(s);
1.19 nicm 583: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
584: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 585: if (sx > tty->sx)
586: sx = tty->sx;
587:
1.46 nicm 588: /*
589: * Don't move the cursor to the start permission if it will wrap there
1.50 nicm 590: * itself.
1.46 nicm 591: */
592: gl = NULL;
593: if (py != 0)
594: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 595: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 596: tty->cx < tty->sx || ox != 0 ||
597: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 598: tty_cursor(tty, ox, oy + py);
599:
1.1 nicm 600: for (i = 0; i < sx; i++) {
601: gc = grid_view_peek_cell(s->grid, i, py);
602:
603: gu = NULL;
604: if (gc->flags & GRID_FLAG_UTF8)
605: gu = grid_view_peek_utf8(s->grid, i, py);
606:
607: if (screen_check_selection(s, i, py)) {
1.16 nicm 608: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
609: tmpgc.data = gc->data;
1.77 nicm 610: tmpgc.flags = gc->flags &
1.38 nicm 611: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
612: tmpgc.flags |= s->sel.cell.flags &
613: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.16 nicm 614: tty_cell(tty, &tmpgc, gu);
1.1 nicm 615: } else
616: tty_cell(tty, gc, gu);
617: }
618:
1.35 nicm 619: if (sx >= tty->sx) {
1.107 nicm 620: tty_update_mode(tty, tty->mode, s);
1.1 nicm 621: return;
1.35 nicm 622: }
1.1 nicm 623: tty_reset(tty);
624:
1.41 nicm 625: tty_cursor(tty, ox + sx, oy + py);
1.126 nicm 626: if (sx != screen_size_x(s) && ox + screen_size_x(s) >= tty->sx &&
1.117 nicm 627: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 628: tty_putcode(tty, TTYC_EL);
1.133 nicm 629: else
630: tty_repeat_space(tty, screen_size_x(s) - sx);
1.107 nicm 631: tty_update_mode(tty, tty->mode, s);
1.15 nicm 632: }
633:
634: void
1.113 nicm 635: tty_write(
636: void (*cmdfn)(struct tty *, const struct tty_ctx *), struct tty_ctx *ctx)
1.15 nicm 637: {
638: struct window_pane *wp = ctx->wp;
639: struct client *c;
640: u_int i;
641:
1.75 nicm 642: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 643: if (wp == NULL)
644: return;
645:
646: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
647: return;
1.129 nicm 648: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 649: return;
650:
651: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
652: c = ARRAY_ITEM(&clients, i);
1.139 nicm 653: if (c == NULL || c->session == NULL || c->tty.term == NULL)
1.15 nicm 654: continue;
1.142 nicm 655: if (c->flags & CLIENT_SUSPENDED)
656: continue;
657: if (c->tty.flags & TTY_FREEZE)
1.139 nicm 658: continue;
659: if (c->session->curw->window != wp->window)
1.15 nicm 660: continue;
661:
1.139 nicm 662: ctx->xoff = wp->xoff;
663: ctx->yoff = wp->yoff;
664: if (status_at_line(c) == 0)
665: ctx->yoff++;
1.113 nicm 666:
1.139 nicm 667: cmdfn(&c->tty, ctx);
1.1 nicm 668: }
669: }
670:
671: void
1.24 nicm 672: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 673: {
1.77 nicm 674: struct window_pane *wp = ctx->wp;
1.1 nicm 675:
1.135 nicm 676: if (!tty_pane_full_width(tty, ctx)) {
1.113 nicm 677: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 678: return;
679: }
680:
681: tty_reset(tty);
682:
1.77 nicm 683: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 684:
1.1 nicm 685: if (tty_term_has(tty->term, TTYC_ICH) ||
686: tty_term_has(tty->term, TTYC_ICH1))
1.12 nicm 687: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.134 nicm 688: else
1.113 nicm 689: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 690: }
691:
692: void
1.24 nicm 693: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 694: {
1.77 nicm 695: struct window_pane *wp = ctx->wp;
1.1 nicm 696:
1.135 nicm 697: if (!tty_pane_full_width(tty, ctx) ||
1.26 nicm 698: (!tty_term_has(tty->term, TTYC_DCH) &&
699: !tty_term_has(tty->term, TTYC_DCH1))) {
1.113 nicm 700: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 701: return;
702: }
703:
704: tty_reset(tty);
705:
1.77 nicm 706: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 707:
1.26 nicm 708: if (tty_term_has(tty->term, TTYC_DCH) ||
709: tty_term_has(tty->term, TTYC_DCH1))
710: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.1 nicm 711: }
712:
713: void
1.24 nicm 714: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 715: {
1.132 nicm 716: if (!tty_pane_full_width(tty, ctx) ||
1.77 nicm 717: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 718: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 719: tty_redraw_region(tty, ctx);
1.1 nicm 720: return;
721: }
722:
723: tty_reset(tty);
724:
1.77 nicm 725: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
726: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 727:
1.12 nicm 728: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 729: }
730:
731: void
1.24 nicm 732: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 733: {
1.132 nicm 734: if (!tty_pane_full_width(tty, ctx) ||
1.72 nicm 735: !tty_term_has(tty->term, TTYC_CSR) ||
736: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 737: tty_redraw_region(tty, ctx);
1.1 nicm 738: return;
739: }
740:
741: tty_reset(tty);
742:
1.77 nicm 743: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
744: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 745:
1.12 nicm 746: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 747: }
748:
749: void
1.24 nicm 750: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 751: {
1.77 nicm 752: struct window_pane *wp = ctx->wp;
1.12 nicm 753: struct screen *s = wp->screen;
1.1 nicm 754:
755: tty_reset(tty);
756:
1.77 nicm 757: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 758:
1.133 nicm 759: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL))
1.1 nicm 760: tty_putcode(tty, TTYC_EL);
1.133 nicm 761: else
762: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 763: }
764:
765: void
1.24 nicm 766: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 767: {
1.77 nicm 768: struct window_pane *wp = ctx->wp;
1.12 nicm 769: struct screen *s = wp->screen;
1.1 nicm 770:
771: tty_reset(tty);
772:
1.41 nicm 773: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
774:
1.132 nicm 775: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL))
1.1 nicm 776: tty_putcode(tty, TTYC_EL);
1.133 nicm 777: else
778: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.1 nicm 779: }
780:
781: void
1.24 nicm 782: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 783: {
784: tty_reset(tty);
785:
1.113 nicm 786: if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1.41 nicm 787: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 788: tty_putcode(tty, TTYC_EL1);
789: } else {
1.41 nicm 790: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 791: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 792: }
793: }
794:
795: void
1.24 nicm 796: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 797: {
1.56 nicm 798: if (ctx->ocy != ctx->orupper)
799: return;
800:
1.132 nicm 801: if (!tty_pane_full_width(tty, ctx) ||
1.70 nicm 802: !tty_term_has(tty->term, TTYC_CSR) ||
803: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 804: tty_redraw_region(tty, ctx);
1.1 nicm 805: return;
806: }
807:
1.56 nicm 808: tty_reset(tty);
1.77 nicm 809:
1.56 nicm 810: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
811: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 812:
1.56 nicm 813: tty_putcode(tty, TTYC_RI);
1.1 nicm 814: }
815:
816: void
1.24 nicm 817: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 818: {
1.77 nicm 819: struct window_pane *wp = ctx->wp;
1.1 nicm 820:
1.56 nicm 821: if (ctx->ocy != ctx->orlower)
822: return;
823:
1.132 nicm 824: if (!tty_pane_full_width(tty, ctx) ||
1.1 nicm 825: !tty_term_has(tty->term, TTYC_CSR)) {
1.128 nicm 826: if (tty_large_region(tty, ctx))
827: wp->flags |= PANE_REDRAW;
1.140 nicm 828: else
1.128 nicm 829: tty_redraw_region(tty, ctx);
1.1 nicm 830: return;
831: }
1.52 nicm 832:
833: /*
834: * If this line wrapped naturally (ctx->num is nonzero), don't do
835: * anything - the cursor can just be moved to the last cell and wrap
836: * naturally.
837: */
838: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
839: return;
1.1 nicm 840:
1.56 nicm 841: tty_reset(tty);
1.77 nicm 842:
1.56 nicm 843: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
844: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 845:
1.56 nicm 846: tty_putc(tty, '\n');
1.1 nicm 847: }
848:
849: void
1.24 nicm 850: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 851: {
1.77 nicm 852: struct window_pane *wp = ctx->wp;
1.12 nicm 853: struct screen *s = wp->screen;
854: u_int i, j;
1.1 nicm 855:
856: tty_reset(tty);
857:
1.39 nicm 858: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 859: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 860:
1.132 nicm 861: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.1 nicm 862: tty_putcode(tty, TTYC_EL);
1.14 nicm 863: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 864: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 865: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 866: tty_putcode(tty, TTYC_EL);
867: if (i == screen_size_y(s) - 1)
868: continue;
869: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
870: tty->cy++;
871: }
872: }
873: } else {
1.133 nicm 874: tty_repeat_space(tty, screen_size_x(s) - ctx->ocx);
1.68 nicm 875: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 876: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 877: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 878: }
879: }
880: }
881:
882: void
1.24 nicm 883: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 884: {
1.77 nicm 885: struct window_pane *wp = ctx->wp;
1.12 nicm 886: struct screen *s = wp->screen;
887: u_int i, j;
1.1 nicm 888:
889: tty_reset(tty);
890:
1.39 nicm 891: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 892: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 893:
1.132 nicm 894: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.14 nicm 895: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 896: tty_putcode(tty, TTYC_EL);
897: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
898: tty->cy++;
899: }
900: } else {
1.14 nicm 901: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 902: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 903: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 904: }
905: }
1.133 nicm 906: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 907: }
908:
909: void
1.24 nicm 910: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 911: {
1.77 nicm 912: struct window_pane *wp = ctx->wp;
1.12 nicm 913: struct screen *s = wp->screen;
914: u_int i, j;
1.1 nicm 915:
916: tty_reset(tty);
917:
1.39 nicm 918: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 919: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 920:
1.132 nicm 921: if (tty_pane_full_width(tty, ctx) && tty_term_has(tty->term, TTYC_EL)) {
1.1 nicm 922: for (i = 0; i < screen_size_y(s); i++) {
923: tty_putcode(tty, TTYC_EL);
924: if (i != screen_size_y(s) - 1) {
925: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
926: tty->cy++;
927: }
928: }
929: } else {
930: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 931: tty_cursor_pane(tty, ctx, 0, j);
1.133 nicm 932: tty_repeat_space(tty, screen_size_x(s));
1.1 nicm 933: }
1.4 nicm 934: }
935: }
936:
937: void
1.24 nicm 938: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 939: {
1.12 nicm 940: struct window_pane *wp = ctx->wp;
941: struct screen *s = wp->screen;
942: u_int i, j;
1.4 nicm 943:
944: tty_reset(tty);
945:
1.39 nicm 946: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 947:
948: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 949: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 950: for (i = 0; i < screen_size_x(s); i++)
951: tty_putc(tty, 'E');
1.1 nicm 952: }
953: }
954:
955: void
1.24 nicm 956: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 957: {
1.46 nicm 958: struct window_pane *wp = ctx->wp;
959: struct screen *s = wp->screen;
1.58 nicm 960: u_int cx;
1.102 nicm 961: u_int width;
962: const struct grid_cell *gc = ctx->cell;
963: const struct grid_utf8 *gu = ctx->utf8;
964:
965: if (gc->flags & GRID_FLAG_UTF8)
966: width = gu->width;
967: else
968: width = 1;
1.46 nicm 969:
970: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
971:
1.57 nicm 972: /* Is the cursor in the very last position? */
1.102 nicm 973: if (ctx->ocx > wp->sx - width) {
1.113 nicm 974: if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57 nicm 975: /*
976: * The pane doesn't fill the entire line, the linefeed
977: * will already have happened, so just move the cursor.
978: */
1.125 nicm 979: if (ctx->ocy != wp->yoff + wp->screen->rlower)
1.122 nicm 980: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
981: else
982: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.57 nicm 983: } else if (tty->cx < tty->sx) {
984: /*
985: * The cursor isn't in the last position already, so
1.102 nicm 986: * move as far left as possible and redraw the last
1.57 nicm 987: * cell to move into the last position.
988: */
1.111 nicm 989: if (ctx->last_cell.flags & GRID_FLAG_UTF8)
990: cx = screen_size_x(s) - ctx->last_utf8.width;
991: else
992: cx = screen_size_x(s) - 1;
1.50 nicm 993: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
994: tty_cell(tty, &ctx->last_cell, &ctx->last_utf8);
995: }
996: } else
1.46 nicm 997: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 998:
1.12 nicm 999: tty_cell(tty, ctx->cell, ctx->utf8);
1.1 nicm 1000: }
1001:
1002: void
1.24 nicm 1003: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1004: {
1.53 nicm 1005: struct window_pane *wp = ctx->wp;
1.1 nicm 1006:
1.53 nicm 1007: /*
1008: * Cannot rely on not being a partial character, so just redraw the
1009: * whole line.
1010: */
1.113 nicm 1011: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1012: }
1013:
1014: void
1015: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1016: {
1017: char *buf;
1018: size_t off;
1019:
1020: if (!tty_term_has(tty->term, TTYC_MS))
1021: return;
1022:
1023: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1024: buf = xmalloc(off);
1025:
1026: b64_ntop(ctx->ptr, ctx->num, buf, off);
1027: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1028:
1.138 nicm 1029: free(buf);
1.100 nicm 1030: }
1031:
1032: void
1033: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1034: {
1035: u_int i;
1036: u_char *str = ctx->ptr;
1037:
1038: for (i = 0; i < ctx->num; i++)
1039: tty_putc(tty, str[i]);
1.141 nicm 1040:
1041: tty->cx = tty->cy = UINT_MAX;
1042: tty->rupper = tty->rlower = UINT_MAX;
1043:
1044: tty_reset(tty);
1045: tty_cursor(tty, 0, 0);
1.1 nicm 1046: }
1047:
1048: void
1049: tty_cell(
1050: struct tty *tty, const struct grid_cell *gc, const struct grid_utf8 *gu)
1051: {
1052: u_int i;
1053:
1054: /* Skip last character if terminal is stupid. */
1055: if (tty->term->flags & TERM_EARLYWRAP &&
1056: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
1057: return;
1058:
1059: /* If this is a padding character, do nothing. */
1060: if (gc->flags & GRID_FLAG_PADDING)
1061: return;
1062:
1063: /* Set the attributes. */
1064: tty_attributes(tty, gc);
1065:
1066: /* If not UTF-8, write directly. */
1067: if (!(gc->flags & GRID_FLAG_UTF8)) {
1068: if (gc->data < 0x20 || gc->data == 0x7f)
1069: return;
1070: tty_putc(tty, gc->data);
1071: return;
1072: }
1073:
1074: /* If the terminal doesn't support UTF-8, write underscores. */
1075: if (!(tty->flags & TTY_UTF8)) {
1076: for (i = 0; i < gu->width; i++)
1077: tty_putc(tty, '_');
1078: return;
1079: }
1080:
1081: /* Otherwise, write UTF-8. */
1.5 nicm 1082: tty_pututf8(tty, gu);
1.1 nicm 1083: }
1084:
1085: void
1086: tty_reset(struct tty *tty)
1087: {
1088: struct grid_cell *gc = &tty->cell;
1089:
1090: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
1091: return;
1092:
1.90 nicm 1093: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1094: tty_putcode(tty, TTYC_RMACS);
1095: tty_putcode(tty, TTYC_SGR0);
1096: memcpy(gc, &grid_default_cell, sizeof *gc);
1097: }
1098:
1.40 nicm 1099: /* Set region inside pane. */
1.1 nicm 1100: void
1.39 nicm 1101: tty_region_pane(
1102: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 1103: {
1.113 nicm 1104: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1105: }
1106:
1.40 nicm 1107: /* Set region at absolute position. */
1.39 nicm 1108: void
1.40 nicm 1109: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1110: {
1111: if (tty->rlower == rlower && tty->rupper == rupper)
1112: return;
1.1 nicm 1113: if (!tty_term_has(tty->term, TTYC_CSR))
1114: return;
1.39 nicm 1115:
1116: tty->rupper = rupper;
1117: tty->rlower = rlower;
1.55 nicm 1118:
1119: /*
1120: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1121: * 0,0 if it is beyond the last column (they do not reset their wrap
1122: * flag so further output causes a line feed). As a workaround, do an
1123: * explicit move to 0 first.
1124: */
1125: if (tty->cx >= tty->sx)
1126: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1127:
1.39 nicm 1128: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1129: tty_cursor(tty, 0, 0);
1.1 nicm 1130: }
1131:
1.42 nicm 1132: /* Move cursor inside pane. */
1.1 nicm 1133: void
1.41 nicm 1134: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1135: {
1.113 nicm 1136: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1137: }
1138:
1.42 nicm 1139: /* Move cursor to absolute position. */
1.41 nicm 1140: void
1141: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1142: {
1.42 nicm 1143: struct tty_term *term = tty->term;
1144: u_int thisx, thisy;
1145: int change;
1.77 nicm 1146:
1.42 nicm 1147: if (cx > tty->sx - 1)
1148: cx = tty->sx - 1;
1149:
1150: thisx = tty->cx;
1151: thisy = tty->cy;
1152:
1153: /* No change. */
1154: if (cx == thisx && cy == thisy)
1155: return;
1156:
1.43 nicm 1157: /* Very end of the line, just use absolute movement. */
1158: if (thisx > tty->sx - 1)
1159: goto absolute;
1160:
1.42 nicm 1161: /* Move to home position (0, 0). */
1162: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1163: tty_putcode(tty, TTYC_HOME);
1164: goto out;
1165: }
1166:
1167: /* Zero on the next line. */
1.48 nicm 1168: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1169: tty_putc(tty, '\r');
1.42 nicm 1170: tty_putc(tty, '\n');
1171: goto out;
1172: }
1173:
1.45 nicm 1174: /* Moving column or row. */
1.42 nicm 1175: if (cy == thisy) {
1.45 nicm 1176: /*
1177: * Moving column only, row staying the same.
1178: */
1179:
1.42 nicm 1180: /* To left edge. */
1181: if (cx == 0) {
1182: tty_putc(tty, '\r');
1183: goto out;
1184: }
1185:
1186: /* One to the left. */
1187: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1188: tty_putcode(tty, TTYC_CUB1);
1189: goto out;
1190: }
1191:
1192: /* One to the right. */
1193: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1194: tty_putcode(tty, TTYC_CUF1);
1195: goto out;
1196: }
1197:
1198: /* Calculate difference. */
1199: change = thisx - cx; /* +ve left, -ve right */
1200:
1201: /*
1202: * Use HPA if change is larger than absolute, otherwise move
1203: * the cursor with CUB/CUF.
1204: */
1.87 nicm 1205: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1206: tty_putcode1(tty, TTYC_HPA, cx);
1207: goto out;
1208: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1209: tty_putcode1(tty, TTYC_CUB, change);
1210: goto out;
1211: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1212: tty_putcode1(tty, TTYC_CUF, -change);
1213: goto out;
1214: }
1.45 nicm 1215: } else if (cx == thisx) {
1216: /*
1217: * Moving row only, column staying the same.
1218: */
1.42 nicm 1219:
1220: /* One above. */
1.77 nicm 1221: if (thisy != tty->rupper &&
1.42 nicm 1222: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1223: tty_putcode(tty, TTYC_CUU1);
1224: goto out;
1225: }
1226:
1227: /* One below. */
1.49 nicm 1228: if (thisy != tty->rlower &&
1.42 nicm 1229: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1230: tty_putcode(tty, TTYC_CUD1);
1231: goto out;
1232: }
1233:
1234: /* Calculate difference. */
1235: change = thisy - cy; /* +ve up, -ve down */
1236:
1237: /*
1.77 nicm 1238: * Try to use VPA if change is larger than absolute or if this
1239: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1240: */
1.87 nicm 1241: if ((u_int) abs(change) > cy ||
1.42 nicm 1242: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1243: (change > 0 && cy - change < tty->rupper)) {
1244: if (tty_term_has(term, TTYC_VPA)) {
1245: tty_putcode1(tty, TTYC_VPA, cy);
1246: goto out;
1247: }
1.42 nicm 1248: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1249: tty_putcode1(tty, TTYC_CUU, change);
1250: goto out;
1251: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1252: tty_putcode1(tty, TTYC_CUD, -change);
1253: goto out;
1254: }
1255: }
1256:
1.43 nicm 1257: absolute:
1.42 nicm 1258: /* Absolute movement. */
1259: tty_putcode2(tty, TTYC_CUP, cy, cx);
1260:
1261: out:
1262: tty->cx = cx;
1263: tty->cy = cy;
1.1 nicm 1264: }
1265:
1266: void
1267: tty_attributes(struct tty *tty, const struct grid_cell *gc)
1268: {
1.63 nicm 1269: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1270: u_char changed;
1.61 nicm 1271:
1.85 nicm 1272: memcpy(&gc2, gc, sizeof gc2);
1.63 nicm 1273:
1.18 nicm 1274: /*
1275: * If no setab, try to use the reverse attribute as a best-effort for a
1276: * non-default background. This is a bit of a hack but it doesn't do
1277: * any serious harm and makes a couple of applications happier.
1278: */
1279: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1280: if (gc2.attr & GRID_ATTR_REVERSE) {
1281: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1282: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1283: } else {
1.85 nicm 1284: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1285: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1286: }
1287: }
1.1 nicm 1288:
1.85 nicm 1289: /* Fix up the colours if necessary. */
1290: tty_check_fg(tty, &gc2);
1291: tty_check_bg(tty, &gc2);
1292:
1.64 nicm 1293: /* If any bits are being cleared, reset everything. */
1.85 nicm 1294: if (tc->attr & ~gc2.attr)
1.64 nicm 1295: tty_reset(tty);
1296:
1297: /*
1298: * Set the colours. This may call tty_reset() (so it comes next) and
1299: * may add to (NOT remove) the desired attributes by changing new_attr.
1300: */
1.85 nicm 1301: tty_colours(tty, &gc2);
1.64 nicm 1302:
1.1 nicm 1303: /* Filter out attribute bits already set. */
1.85 nicm 1304: changed = gc2.attr & ~tc->attr;
1305: tc->attr = gc2.attr;
1.1 nicm 1306:
1307: /* Set the attributes. */
1308: if (changed & GRID_ATTR_BRIGHT)
1309: tty_putcode(tty, TTYC_BOLD);
1310: if (changed & GRID_ATTR_DIM)
1311: tty_putcode(tty, TTYC_DIM);
1312: if (changed & GRID_ATTR_ITALICS)
1.104 nicm 1313: {
1314: if (tty_term_has(tty->term, TTYC_SITM))
1315: tty_putcode(tty, TTYC_SITM);
1316: else
1317: tty_putcode(tty, TTYC_SMSO);
1318: }
1.1 nicm 1319: if (changed & GRID_ATTR_UNDERSCORE)
1320: tty_putcode(tty, TTYC_SMUL);
1321: if (changed & GRID_ATTR_BLINK)
1322: tty_putcode(tty, TTYC_BLINK);
1323: if (changed & GRID_ATTR_REVERSE) {
1324: if (tty_term_has(tty->term, TTYC_REV))
1325: tty_putcode(tty, TTYC_REV);
1326: else if (tty_term_has(tty->term, TTYC_SMSO))
1327: tty_putcode(tty, TTYC_SMSO);
1328: }
1329: if (changed & GRID_ATTR_HIDDEN)
1330: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1331: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1332: tty_putcode(tty, TTYC_SMACS);
1333: }
1334:
1.61 nicm 1335: void
1.85 nicm 1336: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1337: {
1.61 nicm 1338: struct grid_cell *tc = &tty->cell;
1.62 nicm 1339: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1340: int have_ax, fg_default, bg_default;
1.61 nicm 1341:
1342: /* No changes? Nothing is necessary. */
1.62 nicm 1343: if (fg == tc->fg && bg == tc->bg &&
1344: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1345: return;
1.1 nicm 1346:
1.61 nicm 1347: /*
1348: * Is either the default colour? This is handled specially because the
1349: * best solution might be to reset both colours to default, in which
1350: * case if only one is default need to fall onward to set the other
1351: * colour.
1352: */
1.62 nicm 1353: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1354: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1355: if (fg_default || bg_default) {
1356: /*
1357: * If don't have AX but do have op, send sgr0 (op can't
1358: * actually be used because it is sometimes the same as sgr0
1359: * and sometimes isn't). This resets both colours to default.
1360: *
1361: * Otherwise, try to set the default colour only as needed.
1362: */
1363: have_ax = tty_term_has(tty->term, TTYC_AX);
1364: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1365: tty_reset(tty);
1366: else {
1367: if (fg_default &&
1.81 nicm 1368: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1369: if (have_ax)
1370: tty_puts(tty, "\033[39m");
1.81 nicm 1371: else if (tc->fg != 7 ||
1372: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1373: tty_putcode1(tty, TTYC_SETAF, 7);
1374: tc->fg = 8;
1375: tc->flags &= ~GRID_FLAG_FG256;
1376: }
1377: if (bg_default &&
1.81 nicm 1378: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1379: if (have_ax)
1.61 nicm 1380: tty_puts(tty, "\033[49m");
1.81 nicm 1381: else if (tc->bg != 0 ||
1382: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1383: tty_putcode1(tty, TTYC_SETAB, 0);
1384: tc->bg = 8;
1385: tc->flags &= ~GRID_FLAG_BG256;
1386: }
1387: }
1388: }
1.1 nicm 1389:
1.61 nicm 1390: /* Set the foreground colour. */
1391: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1392: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 nicm 1393: tty_colours_fg(tty, gc);
1.1 nicm 1394:
1.61 nicm 1395: /*
1396: * Set the background colour. This must come after the foreground as
1397: * tty_colour_fg() can call tty_reset().
1398: */
1399: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1400: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1401: tty_colours_bg(tty, gc);
1.1 nicm 1402: }
1403:
1404: void
1.85 nicm 1405: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1406: {
1407: u_int colours;
1408:
1409: /* Is this a 256-colour colour? */
1410: if (gc->flags & GRID_FLAG_FG256) {
1411: /* And not a 256 colour mode? */
1412: if (!(tty->term->flags & TERM_88COLOURS) &&
1413: !(tty->term_flags & TERM_88COLOURS) &&
1414: !(tty->term->flags & TERM_256COLOURS) &&
1415: !(tty->term_flags & TERM_256COLOURS)) {
1416: gc->fg = colour_256to16(gc->fg);
1417: if (gc->fg & 8) {
1418: gc->fg &= 7;
1419: gc->attr |= GRID_ATTR_BRIGHT;
1420: } else
1421: gc->attr &= ~GRID_ATTR_BRIGHT;
1422: gc->flags &= ~GRID_FLAG_FG256;
1423: }
1424: return;
1425: }
1426:
1427: /* Is this an aixterm colour? */
1428: colours = tty_term_number(tty->term, TTYC_COLORS);
1429: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1430: gc->fg -= 90;
1431: gc->attr |= GRID_ATTR_BRIGHT;
1432: }
1433: }
1434:
1435: void
1436: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1437: {
1438: u_int colours;
1439:
1440: /* Is this a 256-colour colour? */
1441: if (gc->flags & GRID_FLAG_BG256) {
1442: /*
1443: * And not a 256 colour mode? Translate to 16-colour
1444: * palette. Bold background doesn't exist portably, so just
1445: * discard the bold bit if set.
1446: */
1447: if (!(tty->term->flags & TERM_88COLOURS) &&
1448: !(tty->term_flags & TERM_88COLOURS) &&
1449: !(tty->term->flags & TERM_256COLOURS) &&
1450: !(tty->term_flags & TERM_256COLOURS)) {
1451: gc->bg = colour_256to16(gc->bg);
1452: if (gc->bg & 8)
1453: gc->bg &= 7;
1454: gc->attr &= ~GRID_ATTR_BRIGHT;
1455: gc->flags &= ~GRID_FLAG_BG256;
1456: }
1457: return;
1458: }
1459:
1460: /* Is this an aixterm colour? */
1461: colours = tty_term_number(tty->term, TTYC_COLORS);
1.112 nicm 1462: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16) {
1.85 nicm 1463: gc->bg -= 90;
1464: gc->attr |= GRID_ATTR_BRIGHT;
1465: }
1466: }
1467:
1468: void
1469: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1470: {
1.61 nicm 1471: struct grid_cell *tc = &tty->cell;
1472: u_char fg = gc->fg;
1.79 nicm 1473: char s[32];
1.1 nicm 1474:
1.61 nicm 1475: /* Is this a 256-colour colour? */
1.1 nicm 1476: if (gc->flags & GRID_FLAG_FG256) {
1.61 nicm 1477: /* Try as 256 colours or translating to 88. */
1.1 nicm 1478: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1479: goto save_fg;
1.1 nicm 1480: if (tty_try_88(tty, fg, "38") == 0)
1.61 nicm 1481: goto save_fg;
1.85 nicm 1482: /* Else already handled by tty_check_fg. */
1483: return;
1.1 nicm 1484: }
1485:
1.79 nicm 1486: /* Is this an aixterm bright colour? */
1487: if (fg >= 90 && fg <= 97) {
1.85 nicm 1488: xsnprintf(s, sizeof s, "\033[%dm", fg);
1489: tty_puts(tty, s);
1490: goto save_fg;
1.79 nicm 1491: }
1492:
1.61 nicm 1493: /* Otherwise set the foreground colour. */
1494: tty_putcode1(tty, TTYC_SETAF, fg);
1495:
1.77 nicm 1496: save_fg:
1.61 nicm 1497: /* Save the new values in the terminal current cell. */
1498: tc->fg = fg;
1499: tc->flags &= ~GRID_FLAG_FG256;
1500: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1501: }
1502:
1503: void
1.73 nicm 1504: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1505: {
1.61 nicm 1506: struct grid_cell *tc = &tty->cell;
1507: u_char bg = gc->bg;
1.79 nicm 1508: char s[32];
1.1 nicm 1509:
1.61 nicm 1510: /* Is this a 256-colour colour? */
1.1 nicm 1511: if (gc->flags & GRID_FLAG_BG256) {
1.61 nicm 1512: /* Try as 256 colours or translating to 88. */
1.1 nicm 1513: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1514: goto save_bg;
1.1 nicm 1515: if (tty_try_88(tty, bg, "48") == 0)
1.61 nicm 1516: goto save_bg;
1.85 nicm 1517: /* Else already handled by tty_check_bg. */
1518: return;
1.79 nicm 1519: }
1520:
1521: /* Is this an aixterm bright colour? */
1.112 nicm 1522: if (bg >= 90 && bg <= 97) {
1.79 nicm 1523: /* 16 colour terminals or above only. */
1524: if (tty_term_number(tty->term, TTYC_COLORS) >= 16) {
1.112 nicm 1525: xsnprintf(s, sizeof s, "\033[%dm", bg + 10);
1.79 nicm 1526: tty_puts(tty, s);
1527: goto save_bg;
1528: }
1.112 nicm 1529: bg -= 90;
1.79 nicm 1530: /* no such thing as a bold background */
1.1 nicm 1531: }
1532:
1.61 nicm 1533: /* Otherwise set the background colour. */
1534: tty_putcode1(tty, TTYC_SETAB, bg);
1535:
1536: save_bg:
1537: /* Save the new values in the terminal current cell. */
1538: tc->bg = bg;
1539: tc->flags &= ~GRID_FLAG_BG256;
1540: tc->flags |= gc->flags & GRID_FLAG_BG256;
1541: }
1542:
1543: int
1544: tty_try_256(struct tty *tty, u_char colour, const char *type)
1545: {
1546: char s[32];
1547:
1548: if (!(tty->term->flags & TERM_256COLOURS) &&
1549: !(tty->term_flags & TERM_256COLOURS))
1550: return (-1);
1551:
1552: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1553: tty_puts(tty, s);
1554: return (0);
1555: }
1556:
1557: int
1558: tty_try_88(struct tty *tty, u_char colour, const char *type)
1559: {
1560: char s[32];
1561:
1562: if (!(tty->term->flags & TERM_88COLOURS) &&
1563: !(tty->term_flags & TERM_88COLOURS))
1564: return (-1);
1565: colour = colour_256to88(colour);
1566:
1567: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1568: tty_puts(tty, s);
1569: return (0);
1.110 nicm 1570: }
1571:
1572: void
1573: tty_bell(struct tty *tty)
1574: {
1575: tty_putcode(tty, TTYC_BEL);
1.1 nicm 1576: }
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