Annotation of src/usr.bin/tmux/tty.c, Revision 1.118
1.118 ! nicm 1: /* $OpenBSD: tty.c,v 1.117 2012/03/12 12:38:42 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:
1.24 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);
1.14 nicm 49: void tty_cell(struct tty *,
1.77 nicm 50: const struct grid_cell *, const struct grid_utf8 *);
1.1 nicm 51:
1.90 nicm 52: #define tty_use_acs(tty) \
1.91 nicm 53: (tty_term_has(tty->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.90 nicm 54:
1.1 nicm 55: void
1.30 nicm 56: tty_init(struct tty *tty, int fd, char *term)
1.1 nicm 57: {
1.30 nicm 58: char *path;
59:
60: memset(tty, 0, sizeof *tty);
1.23 nicm 61: tty->log_fd = -1;
1.22 nicm 62:
1.9 nicm 63: if (term == NULL || *term == '\0')
1.1 nicm 64: tty->termname = xstrdup("unknown");
65: else
66: tty->termname = xstrdup(term);
1.30 nicm 67: tty->fd = fd;
68:
69: if ((path = ttyname(fd)) == NULL)
70: fatalx("ttyname failed");
71: tty->path = xstrdup(path);
1.108 nicm 72: tty->cstyle = 0;
1.107 nicm 73: tty->ccolour = xstrdup("");
1.30 nicm 74:
1.1 nicm 75: tty->flags = 0;
76: tty->term_flags = 0;
1.31 nicm 77: }
78:
1.88 nicm 79: int
1.31 nicm 80: tty_resize(struct tty *tty)
81: {
82: struct winsize ws;
1.88 nicm 83: u_int sx, sy;
1.31 nicm 84:
85: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 86: sx = ws.ws_col;
87: if (sx == 0)
88: sx = 80;
89: sy = ws.ws_row;
90: if (sy == 0)
91: sy = 24;
92: } else {
93: sx = 80;
94: sy = 24;
1.31 nicm 95: }
1.114 nicm 96: if (!tty_set_size(tty, sx, sy))
1.88 nicm 97: return (0);
1.31 nicm 98:
99: tty->cx = UINT_MAX;
100: tty->cy = UINT_MAX;
101:
102: tty->rupper = UINT_MAX;
103: tty->rlower = UINT_MAX;
1.88 nicm 104:
105: /*
106: * If the terminal has been started, reset the actual scroll region and
107: * cursor position, as this may not have happened.
108: */
109: if (tty->flags & TTY_STARTED) {
110: tty_cursor(tty, 0, 0);
111: tty_region(tty, 0, tty->sy - 1);
112: }
113:
1.114 nicm 114: return (1);
115: }
116:
117: int
118: tty_set_size(struct tty *tty, u_int sx, u_int sy) {
119: if (sx == tty->sx && sy == tty->sy)
120: return (0);
121: tty->sx = sx;
122: tty->sy = sy;
1.88 nicm 123: return (1);
1.1 nicm 124: }
125:
126: int
1.17 nicm 127: tty_open(struct tty *tty, const char *overrides, char **cause)
1.1 nicm 128: {
1.88 nicm 129: char out[64];
1.30 nicm 130: int fd;
1.1 nicm 131:
1.30 nicm 132: if (debug_level > 3) {
1.88 nicm 133: xsnprintf(out, sizeof out, "tmux-out-%ld.log", (long) getpid());
134: fd = open(out, O_WRONLY|O_CREAT|O_TRUNC, 0644);
1.30 nicm 135: if (fd != -1 && fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
136: fatal("fcntl failed");
137: tty->log_fd = fd;
1.1 nicm 138: }
139:
1.17 nicm 140: tty->term = tty_term_find(tty->termname, tty->fd, overrides, cause);
1.21 nicm 141: if (tty->term == NULL) {
142: tty_close(tty);
143: return (-1);
144: }
145: tty->flags |= TTY_OPENED;
1.1 nicm 146:
1.66 nicm 147: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_ESCAPE);
1.1 nicm 148:
1.66 nicm 149: tty->event = bufferevent_new(
1.67 nicm 150: tty->fd, tty_read_callback, NULL, tty_error_callback, tty);
1.1 nicm 151:
152: tty_start_tty(tty);
153:
154: tty_keys_init(tty);
155:
156: return (0);
157: }
158:
1.73 nicm 159: /* ARGSUSED */
1.1 nicm 160: void
1.67 nicm 161: tty_read_callback(unused struct bufferevent *bufev, void *data)
162: {
163: struct tty *tty = data;
164:
165: while (tty_keys_next(tty))
166: ;
167: }
168:
1.73 nicm 169: /* ARGSUSED */
1.67 nicm 170: void
1.66 nicm 171: tty_error_callback(
172: unused struct bufferevent *bufev, unused short what, unused void *data)
173: {
174: }
175:
176: void
1.1 nicm 177: tty_start_tty(struct tty *tty)
178: {
179: struct termios tio;
1.33 nicm 180:
1.99 nicm 181: if (tty->fd == -1 || tcgetattr(tty->fd, &tty->tio) != 0)
1.33 nicm 182: return;
1.1 nicm 183:
1.96 nicm 184: setblocking(tty->fd, 0);
1.34 nicm 185:
1.66 nicm 186: bufferevent_enable(tty->event, EV_READ|EV_WRITE);
187:
1.1 nicm 188: memcpy(&tio, &tty->tio, sizeof tio);
189: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
190: tio.c_iflag |= IGNBRK;
191: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
192: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
193: ECHOPRT|ECHOKE|ECHOCTL|ISIG);
194: tio.c_cc[VMIN] = 1;
1.60 deraadt 195: tio.c_cc[VTIME] = 0;
1.99 nicm 196: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
197: tcflush(tty->fd, TCIOFLUSH);
1.1 nicm 198:
1.10 nicm 199: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 200:
1.25 nicm 201: tty_putcode(tty, TTYC_SGR0);
202: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
203:
1.76 nicm 204: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 205: if (tty_use_acs(tty))
206: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 207: tty_putcode(tty, TTYC_CLEAR);
208:
209: tty_putcode(tty, TTYC_CNORM);
210: if (tty_term_has(tty->term, TTYC_KMOUS))
211: tty_puts(tty, "\033[?1000l");
212:
213: tty->cx = UINT_MAX;
214: tty->cy = UINT_MAX;
215:
216: tty->rlower = UINT_MAX;
217: tty->rupper = UINT_MAX;
218:
219: tty->mode = MODE_CURSOR;
1.20 nicm 220:
221: tty->flags |= TTY_STARTED;
1.107 nicm 222:
223: tty_force_cursor_colour(tty, "");
1.1 nicm 224: }
225:
226: void
227: tty_stop_tty(struct tty *tty)
228: {
229: struct winsize ws;
230:
1.20 nicm 231: if (!(tty->flags & TTY_STARTED))
232: return;
233: tty->flags &= ~TTY_STARTED;
234:
1.66 nicm 235: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
236:
1.1 nicm 237: /*
238: * Be flexible about error handling and try not kill the server just
239: * because the fd is invalid. Things like ssh -t can easily leave us
240: * with a dead tty.
241: */
242: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
243: return;
244: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
245: return;
246:
1.103 nicm 247: setblocking(tty->fd, 1);
248:
1.1 nicm 249: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 250: if (tty_use_acs(tty))
251: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 252: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
253: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
254: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.108 nicm 255: if (tty_term_has(tty->term, TTYC_CS1) && tty->cstyle != 0) {
256: if (tty_term_has(tty->term, TTYC_CSR1))
257: tty_raw(tty, tty_term_string(tty->term, TTYC_CSR1));
1.109 nicm 258: else
1.108 nicm 259: tty_raw(tty, tty_term_string1(tty->term, TTYC_CS1, 0));
260: }
1.107 nicm 261: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 262:
263: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
264: if (tty_term_has(tty->term, TTYC_KMOUS))
265: tty_raw(tty, "\033[?1000l");
1.10 nicm 266:
267: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.1 nicm 268: }
269:
270: void
1.20 nicm 271: tty_close(struct tty *tty)
1.1 nicm 272: {
273: if (tty->log_fd != -1) {
274: close(tty->log_fd);
275: tty->log_fd = -1;
276: }
277:
1.67 nicm 278: evtimer_del(&tty->key_timer);
1.20 nicm 279: tty_stop_tty(tty);
1.1 nicm 280:
1.21 nicm 281: if (tty->flags & TTY_OPENED) {
1.66 nicm 282: bufferevent_free(tty->event);
283:
1.21 nicm 284: tty_term_free(tty->term);
285: tty_keys_free(tty);
286:
287: tty->flags &= ~TTY_OPENED;
288: }
1.1 nicm 289:
1.21 nicm 290: if (tty->fd != -1) {
291: close(tty->fd);
292: tty->fd = -1;
293: }
1.1 nicm 294: }
295:
296: void
1.20 nicm 297: tty_free(struct tty *tty)
1.1 nicm 298: {
1.20 nicm 299: tty_close(tty);
1.1 nicm 300:
1.107 nicm 301: xfree(tty->ccolour);
1.1 nicm 302: if (tty->path != NULL)
303: xfree(tty->path);
304: if (tty->termname != NULL)
305: xfree(tty->termname);
306: }
307:
308: void
309: tty_raw(struct tty *tty, const char *s)
310: {
311: write(tty->fd, s, strlen(s));
312: }
313:
314: void
315: tty_putcode(struct tty *tty, enum tty_code_code code)
316: {
317: tty_puts(tty, tty_term_string(tty->term, code));
318: }
319:
320: void
321: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
322: {
323: if (a < 0)
324: return;
325: tty_puts(tty, tty_term_string1(tty->term, code, a));
326: }
327:
328: void
329: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
330: {
331: if (a < 0 || b < 0)
332: return;
333: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
334: }
335:
336: void
1.107 nicm 337: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
338: {
339: if (a != NULL)
340: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
341: }
342:
343: void
1.106 nicm 344: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a, const void *b)
345: {
346: if (a != NULL && b != NULL)
347: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
348: }
349:
350: void
1.1 nicm 351: tty_puts(struct tty *tty, const char *s)
352: {
353: if (*s == '\0')
354: return;
1.66 nicm 355: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 356:
357: if (tty->log_fd != -1)
358: write(tty->log_fd, s, strlen(s));
359: }
360:
361: void
362: tty_putc(struct tty *tty, u_char ch)
363: {
1.90 nicm 364: const char *acs;
365: u_int sx;
1.1 nicm 366:
1.90 nicm 367: if (tty->cell.attr & GRID_ATTR_CHARSET) {
368: acs = tty_acs_get(tty, ch);
369: if (acs != NULL)
370: bufferevent_write(tty->event, acs, strlen(acs));
371: else
372: bufferevent_write(tty->event, &ch, 1);
373: } else
374: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 375:
376: if (ch >= 0x20 && ch != 0x7f) {
377: sx = tty->sx;
378: if (tty->term->flags & TERM_EARLYWRAP)
379: sx--;
380:
1.46 nicm 381: if (tty->cx >= sx) {
382: tty->cx = 1;
383: if (tty->cy != tty->rlower)
384: tty->cy++;
1.1 nicm 385: } else
386: tty->cx++;
387: }
388:
389: if (tty->log_fd != -1)
390: write(tty->log_fd, &ch, 1);
391: }
392:
393: void
1.5 nicm 394: tty_pututf8(struct tty *tty, const struct grid_utf8 *gu)
395: {
1.71 nicm 396: size_t size;
1.5 nicm 397:
1.71 nicm 398: size = grid_utf8_size(gu);
399: bufferevent_write(tty->event, gu->data, size);
400: if (tty->log_fd != -1)
401: write(tty->log_fd, gu->data, size);
1.54 nicm 402: tty->cx += gu->width;
1.5 nicm 403: }
404:
405: void
1.1 nicm 406: tty_set_title(struct tty *tty, const char *title)
407: {
1.105 nicm 408: if (!tty_term_has(tty->term, TTYC_TSL) ||
409: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 410: return;
411:
1.105 nicm 412: tty_putcode(tty, TTYC_TSL);
1.1 nicm 413: tty_puts(tty, title);
1.105 nicm 414: tty_putcode(tty, TTYC_FSL);
1.1 nicm 415: }
416:
417: void
1.107 nicm 418: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
419: {
420: if (*ccolour == '\0')
421: tty_putcode(tty, TTYC_CR);
422: else
423: tty_putcode_ptr1(tty, TTYC_CC, ccolour);
424: xfree(tty->ccolour);
425: tty->ccolour = xstrdup(ccolour);
426: }
427:
428: void
429: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 430: {
431: int changed;
432:
1.107 nicm 433: if (strcmp(s->ccolour, tty->ccolour))
434: tty_force_cursor_colour(tty, s->ccolour);
435:
1.1 nicm 436: if (tty->flags & TTY_NOCURSOR)
437: mode &= ~MODE_CURSOR;
438:
439: changed = mode ^ tty->mode;
440: if (changed & MODE_CURSOR) {
441: if (mode & MODE_CURSOR)
442: tty_putcode(tty, TTYC_CNORM);
443: else
444: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 445: }
446: if (tty->cstyle != s->cstyle) {
447: if (tty_term_has(tty->term, TTYC_CS1)) {
448: if (s->cstyle == 0 &&
449: tty_term_has(tty->term, TTYC_CSR1))
450: tty_putcode(tty, TTYC_CSR1);
451: else
452: tty_putcode1(tty, TTYC_CS1, s->cstyle);
453: }
454: tty->cstyle = s->cstyle;
1.1 nicm 455: }
1.94 nicm 456: if (changed & ALL_MOUSE_MODES) {
457: if (mode & ALL_MOUSE_MODES) {
1.95 nicm 458: if (mode & MODE_MOUSE_UTF8)
459: tty_puts(tty, "\033[?1005h");
1.98 nicm 460: if (mode & MODE_MOUSE_ANY)
461: tty_puts(tty, "\033[?1003h");
1.94 nicm 462: else if (mode & MODE_MOUSE_BUTTON)
463: tty_puts(tty, "\033[?1002h");
1.98 nicm 464: else if (mode & MODE_MOUSE_STANDARD)
465: tty_puts(tty, "\033[?1000h");
1.86 nicm 466: } else {
1.98 nicm 467: if (tty->mode & MODE_MOUSE_ANY)
468: tty_puts(tty, "\033[?1003l");
1.94 nicm 469: else if (tty->mode & MODE_MOUSE_BUTTON)
470: tty_puts(tty, "\033[?1002l");
1.98 nicm 471: else if (tty->mode & MODE_MOUSE_STANDARD)
472: tty_puts(tty, "\033[?1000l");
1.95 nicm 473: if (tty->mode & MODE_MOUSE_UTF8)
474: tty_puts(tty, "\033[?1005l");
1.86 nicm 475: }
1.76 nicm 476: }
477: if (changed & MODE_KKEYPAD) {
478: if (mode & MODE_KKEYPAD)
479: tty_putcode(tty, TTYC_SMKX);
480: else
481: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 482: }
483: if (changed & MODE_BRACKETPASTE) {
484: if (mode & MODE_BRACKETPASTE)
485: tty_puts(tty, "\033[?2004h");
486: else
487: tty_puts(tty, "\033[?2004l");
1.1 nicm 488: }
489: tty->mode = mode;
490: }
491:
492: void
493: tty_emulate_repeat(
494: struct tty *tty, enum tty_code_code code, enum tty_code_code code1, u_int n)
495: {
496: if (tty_term_has(tty->term, code))
497: tty_putcode1(tty, code, n);
498: else {
499: while (n-- > 0)
500: tty_putcode(tty, code1);
501: }
502: }
503:
504: /*
505: * Redraw scroll region using data from screen (already updated). Used when
506: * CSR not supported, or window is a pane that doesn't take up the full
507: * width of the terminal.
508: */
509: void
1.24 nicm 510: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 511: {
1.14 nicm 512: struct window_pane *wp = ctx->wp;
513: struct screen *s = wp->screen;
514: u_int i;
1.1 nicm 515:
516: /*
517: * If region is >= 50% of the screen, just schedule a window redraw. In
518: * most cases, this is likely to be followed by some more scrolling -
519: * without this, the entire pane ends up being redrawn many times which
520: * can be much more data.
521: */
1.101 nicm 522: if (ctx->orlower - ctx->orupper >= screen_size_y(s) / 2) {
1.1 nicm 523: wp->flags |= PANE_REDRAW;
524: return;
525: }
526:
1.14 nicm 527: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
528: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.113 nicm 529: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 530: } else {
1.14 nicm 531: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.113 nicm 532: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 533: }
534: }
535:
536: void
537: tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
538: {
539: const struct grid_cell *gc;
1.46 nicm 540: struct grid_line *gl;
1.16 nicm 541: struct grid_cell tmpgc;
1.1 nicm 542: const struct grid_utf8 *gu;
543: u_int i, sx;
544:
1.107 nicm 545: tty_update_mode(tty, tty->mode & ~MODE_CURSOR, s);
1.35 nicm 546:
1.1 nicm 547: sx = screen_size_x(s);
1.19 nicm 548: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
549: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 550: if (sx > tty->sx)
551: sx = tty->sx;
552:
1.46 nicm 553: /*
554: * Don't move the cursor to the start permission if it will wrap there
1.50 nicm 555: * itself.
1.46 nicm 556: */
557: gl = NULL;
558: if (py != 0)
559: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 560: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 561: tty->cx < tty->sx || ox != 0 ||
562: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 563: tty_cursor(tty, ox, oy + py);
564:
1.1 nicm 565: for (i = 0; i < sx; i++) {
566: gc = grid_view_peek_cell(s->grid, i, py);
567:
568: gu = NULL;
569: if (gc->flags & GRID_FLAG_UTF8)
570: gu = grid_view_peek_utf8(s->grid, i, py);
571:
572: if (screen_check_selection(s, i, py)) {
1.16 nicm 573: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
574: tmpgc.data = gc->data;
1.77 nicm 575: tmpgc.flags = gc->flags &
1.38 nicm 576: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
577: tmpgc.flags |= s->sel.cell.flags &
578: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.16 nicm 579: tty_cell(tty, &tmpgc, gu);
1.1 nicm 580: } else
581: tty_cell(tty, gc, gu);
582: }
583:
1.35 nicm 584: if (sx >= tty->sx) {
1.107 nicm 585: tty_update_mode(tty, tty->mode, s);
1.1 nicm 586: return;
1.35 nicm 587: }
1.1 nicm 588: tty_reset(tty);
589:
1.41 nicm 590: tty_cursor(tty, ox + sx, oy + py);
1.118 ! nicm 591: if (ox + screen_size_x(s) >= tty->sx &&
1.117 nicm 592: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 593: tty_putcode(tty, TTYC_EL);
594: else {
595: for (i = sx; i < screen_size_x(s); i++)
596: tty_putc(tty, ' ');
1.15 nicm 597: }
1.107 nicm 598: tty_update_mode(tty, tty->mode, s);
1.15 nicm 599: }
600:
601: void
1.113 nicm 602: tty_write(
603: void (*cmdfn)(struct tty *, const struct tty_ctx *), struct tty_ctx *ctx)
1.15 nicm 604: {
605: struct window_pane *wp = ctx->wp;
606: struct client *c;
1.113 nicm 607: struct session *s;
608: struct options *oo;
1.15 nicm 609: u_int i;
610:
1.75 nicm 611: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 612: if (wp == NULL)
613: return;
614:
615: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
616: return;
1.93 nicm 617: if (!window_pane_visible(wp))
1.15 nicm 618: return;
619:
620: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
621: c = ARRAY_ITEM(&clients, i);
622: if (c == NULL || c->session == NULL)
623: continue;
624: if (c->flags & CLIENT_SUSPENDED)
625: continue;
1.113 nicm 626: s = c->session;
1.15 nicm 627:
1.113 nicm 628: if (s->curw->window == wp->window) {
1.89 nicm 629: if (c->tty.term == NULL)
630: continue;
1.116 nicm 631: if (c->tty.flags & TTY_FREEZE)
1.15 nicm 632: continue;
1.113 nicm 633: oo = &s->options;
634:
635: ctx->xoff = wp->xoff;
636: ctx->yoff = wp->yoff;
637: if (status_at_line(c) == 0)
638: ctx->yoff++;
639:
1.15 nicm 640: cmdfn(&c->tty, ctx);
641: }
1.1 nicm 642: }
643: }
644:
645: void
1.24 nicm 646: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 647: {
1.77 nicm 648: struct window_pane *wp = ctx->wp;
1.12 nicm 649: struct screen *s = wp->screen;
1.24 nicm 650: u_int i;
1.1 nicm 651:
1.113 nicm 652: if (ctx->xoff != 0 || screen_size_x(s) < tty->sx) {
653: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 654: return;
655: }
656:
657: tty_reset(tty);
658:
1.77 nicm 659: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 660:
1.1 nicm 661: if (tty_term_has(tty->term, TTYC_ICH) ||
662: tty_term_has(tty->term, TTYC_ICH1))
1.12 nicm 663: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.77 nicm 664: else if (tty_term_has(tty->term, TTYC_SMIR) &&
1.72 nicm 665: tty_term_has(tty->term, TTYC_RMIR)) {
1.1 nicm 666: tty_putcode(tty, TTYC_SMIR);
1.24 nicm 667: for (i = 0; i < ctx->num; i++)
1.1 nicm 668: tty_putc(tty, ' ');
669: tty_putcode(tty, TTYC_RMIR);
1.72 nicm 670: } else
1.113 nicm 671: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 672: }
673:
674: void
1.24 nicm 675: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 676: {
1.77 nicm 677: struct window_pane *wp = ctx->wp;
1.12 nicm 678: struct screen *s = wp->screen;
1.1 nicm 679:
1.113 nicm 680: if (ctx->xoff != 0 || screen_size_x(s) < tty->sx ||
1.26 nicm 681: (!tty_term_has(tty->term, TTYC_DCH) &&
682: !tty_term_has(tty->term, TTYC_DCH1))) {
1.113 nicm 683: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 684: return;
685: }
686:
687: tty_reset(tty);
688:
1.77 nicm 689: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 690:
1.26 nicm 691: if (tty_term_has(tty->term, TTYC_DCH) ||
692: tty_term_has(tty->term, TTYC_DCH1))
693: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.1 nicm 694: }
695:
696: void
1.24 nicm 697: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 698: {
1.77 nicm 699: struct window_pane *wp = ctx->wp;
1.12 nicm 700: struct screen *s = wp->screen;
1.1 nicm 701:
1.113 nicm 702: if (ctx->xoff != 0 || screen_size_x(s) < tty->sx ||
1.77 nicm 703: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 704: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 705: tty_redraw_region(tty, ctx);
1.1 nicm 706: return;
707: }
708:
709: tty_reset(tty);
710:
1.77 nicm 711: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
712: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 713:
1.12 nicm 714: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 715: }
716:
717: void
1.24 nicm 718: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 719: {
1.77 nicm 720: struct window_pane *wp = ctx->wp;
1.12 nicm 721: struct screen *s = wp->screen;
1.1 nicm 722:
1.113 nicm 723: if (ctx->xoff != 0 || screen_size_x(s) < tty->sx ||
1.72 nicm 724: !tty_term_has(tty->term, TTYC_CSR) ||
725: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 726: tty_redraw_region(tty, ctx);
1.1 nicm 727: return;
728: }
729:
730: tty_reset(tty);
731:
1.77 nicm 732: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
733: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 734:
1.12 nicm 735: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 736: }
737:
738: void
1.24 nicm 739: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 740: {
1.77 nicm 741: struct window_pane *wp = ctx->wp;
1.12 nicm 742: struct screen *s = wp->screen;
743: u_int i;
1.1 nicm 744:
745: tty_reset(tty);
746:
1.77 nicm 747: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 748:
1.113 nicm 749: if (ctx->xoff == 0 && screen_size_x(s) >= tty->sx &&
1.1 nicm 750: tty_term_has(tty->term, TTYC_EL)) {
751: tty_putcode(tty, TTYC_EL);
752: } else {
753: for (i = 0; i < screen_size_x(s); i++)
754: tty_putc(tty, ' ');
755: }
756: }
757:
758: void
1.24 nicm 759: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 760: {
1.77 nicm 761: struct window_pane *wp = ctx->wp;
1.12 nicm 762: struct screen *s = wp->screen;
763: u_int i;
1.1 nicm 764:
765: tty_reset(tty);
766:
1.41 nicm 767: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
768:
1.113 nicm 769: if (ctx->xoff == 0 && screen_size_x(s) >= tty->sx &&
1.1 nicm 770: tty_term_has(tty->term, TTYC_EL))
771: tty_putcode(tty, TTYC_EL);
772: else {
1.14 nicm 773: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 774: tty_putc(tty, ' ');
775: }
776: }
777:
778: void
1.24 nicm 779: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 780: {
1.113 nicm 781: u_int i;
1.1 nicm 782:
783: tty_reset(tty);
784:
1.113 nicm 785: if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1.41 nicm 786: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 787: tty_putcode(tty, TTYC_EL1);
788: } else {
1.41 nicm 789: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.14 nicm 790: for (i = 0; i < ctx->ocx + 1; i++)
1.1 nicm 791: tty_putc(tty, ' ');
792: }
793: }
794:
795: void
1.24 nicm 796: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 797: {
1.77 nicm 798: struct window_pane *wp = ctx->wp;
1.12 nicm 799: struct screen *s = wp->screen;
1.1 nicm 800:
1.56 nicm 801: if (ctx->ocy != ctx->orupper)
802: return;
803:
1.113 nicm 804: if (ctx->xoff != 0 || screen_size_x(s) < tty->sx ||
1.70 nicm 805: !tty_term_has(tty->term, TTYC_CSR) ||
806: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 807: tty_redraw_region(tty, ctx);
1.1 nicm 808: return;
809: }
810:
1.56 nicm 811: tty_reset(tty);
1.77 nicm 812:
1.56 nicm 813: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
814: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 815:
1.56 nicm 816: tty_putcode(tty, TTYC_RI);
1.1 nicm 817: }
818:
819: void
1.24 nicm 820: tty_cmd_linefeed(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:
1.56 nicm 825: if (ctx->ocy != ctx->orlower)
826: return;
827:
1.113 nicm 828: if (ctx->xoff != 0 || screen_size_x(s) < tty->sx ||
1.1 nicm 829: !tty_term_has(tty->term, TTYC_CSR)) {
1.14 nicm 830: tty_redraw_region(tty, ctx);
1.1 nicm 831: return;
832: }
1.52 nicm 833:
834: /*
835: * If this line wrapped naturally (ctx->num is nonzero), don't do
836: * anything - the cursor can just be moved to the last cell and wrap
837: * naturally.
838: */
839: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
840: return;
1.1 nicm 841:
1.56 nicm 842: tty_reset(tty);
1.77 nicm 843:
1.56 nicm 844: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
845: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 846:
1.56 nicm 847: tty_putc(tty, '\n');
1.1 nicm 848: }
849:
850: void
1.24 nicm 851: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 852: {
1.77 nicm 853: struct window_pane *wp = ctx->wp;
1.12 nicm 854: struct screen *s = wp->screen;
855: u_int i, j;
1.1 nicm 856:
857: tty_reset(tty);
858:
1.39 nicm 859: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 860: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 861:
1.113 nicm 862: if (ctx->xoff == 0 && screen_size_x(s) >= tty->sx &&
1.1 nicm 863: tty_term_has(tty->term, TTYC_EL)) {
864: tty_putcode(tty, TTYC_EL);
1.14 nicm 865: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 866: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 867: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 868: tty_putcode(tty, TTYC_EL);
869: if (i == screen_size_y(s) - 1)
870: continue;
871: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
872: tty->cy++;
873: }
874: }
875: } else {
1.14 nicm 876: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 877: tty_putc(tty, ' ');
1.68 nicm 878: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 879: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 880: for (i = 0; i < screen_size_x(s); i++)
881: tty_putc(tty, ' ');
882: }
883: }
884: }
885:
886: void
1.24 nicm 887: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 888: {
1.77 nicm 889: struct window_pane *wp = ctx->wp;
1.12 nicm 890: struct screen *s = wp->screen;
891: u_int i, j;
1.1 nicm 892:
893: tty_reset(tty);
894:
1.39 nicm 895: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 896: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 897:
1.113 nicm 898: if (ctx->xoff == 0 && screen_size_x(s) >= tty->sx &&
1.1 nicm 899: tty_term_has(tty->term, TTYC_EL)) {
1.14 nicm 900: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 901: tty_putcode(tty, TTYC_EL);
902: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
903: tty->cy++;
904: }
905: } else {
1.14 nicm 906: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 907: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 908: for (i = 0; i < screen_size_x(s); i++)
909: tty_putc(tty, ' ');
910: }
911: }
1.14 nicm 912: for (i = 0; i <= ctx->ocx; i++)
1.1 nicm 913: tty_putc(tty, ' ');
914: }
915:
916: void
1.24 nicm 917: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 918: {
1.77 nicm 919: struct window_pane *wp = ctx->wp;
1.12 nicm 920: struct screen *s = wp->screen;
921: u_int i, j;
1.1 nicm 922:
923: tty_reset(tty);
924:
1.39 nicm 925: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 926: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 927:
1.113 nicm 928: if (ctx->xoff == 0 && screen_size_x(s) >= tty->sx &&
1.1 nicm 929: tty_term_has(tty->term, TTYC_EL)) {
930: for (i = 0; i < screen_size_y(s); i++) {
931: tty_putcode(tty, TTYC_EL);
932: if (i != screen_size_y(s) - 1) {
933: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
934: tty->cy++;
935: }
936: }
937: } else {
938: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 939: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 940: for (i = 0; i < screen_size_x(s); i++)
941: tty_putc(tty, ' ');
942: }
1.4 nicm 943: }
944: }
945:
946: void
1.24 nicm 947: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 948: {
1.12 nicm 949: struct window_pane *wp = ctx->wp;
950: struct screen *s = wp->screen;
951: u_int i, j;
1.4 nicm 952:
953: tty_reset(tty);
954:
1.39 nicm 955: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 956:
957: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 958: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 959: for (i = 0; i < screen_size_x(s); i++)
960: tty_putc(tty, 'E');
1.1 nicm 961: }
962: }
963:
964: void
1.24 nicm 965: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 966: {
1.46 nicm 967: struct window_pane *wp = ctx->wp;
968: struct screen *s = wp->screen;
1.58 nicm 969: u_int cx;
1.102 nicm 970: u_int width;
971: const struct grid_cell *gc = ctx->cell;
972: const struct grid_utf8 *gu = ctx->utf8;
973:
974: if (gc->flags & GRID_FLAG_UTF8)
975: width = gu->width;
976: else
977: width = 1;
1.46 nicm 978:
979: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
980:
1.57 nicm 981: /* Is the cursor in the very last position? */
1.102 nicm 982: if (ctx->ocx > wp->sx - width) {
1.113 nicm 983: if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57 nicm 984: /*
985: * The pane doesn't fill the entire line, the linefeed
986: * will already have happened, so just move the cursor.
987: */
988: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
989: } else if (tty->cx < tty->sx) {
990: /*
991: * The cursor isn't in the last position already, so
1.102 nicm 992: * move as far left as possible and redraw the last
1.57 nicm 993: * cell to move into the last position.
994: */
1.111 nicm 995: if (ctx->last_cell.flags & GRID_FLAG_UTF8)
996: cx = screen_size_x(s) - ctx->last_utf8.width;
997: else
998: cx = screen_size_x(s) - 1;
1.50 nicm 999: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1000: tty_cell(tty, &ctx->last_cell, &ctx->last_utf8);
1001: }
1002: } else
1.46 nicm 1003: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1004:
1.12 nicm 1005: tty_cell(tty, ctx->cell, ctx->utf8);
1.1 nicm 1006: }
1007:
1008: void
1.24 nicm 1009: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1010: {
1.53 nicm 1011: struct window_pane *wp = ctx->wp;
1.1 nicm 1012:
1.53 nicm 1013: /*
1014: * Cannot rely on not being a partial character, so just redraw the
1015: * whole line.
1016: */
1.113 nicm 1017: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1018: }
1019:
1020: void
1021: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1022: {
1023: char *buf;
1024: size_t off;
1025:
1026: if (!tty_term_has(tty->term, TTYC_MS))
1027: return;
1028:
1029: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1030: buf = xmalloc(off);
1031:
1032: b64_ntop(ctx->ptr, ctx->num, buf, off);
1033: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1034:
1035: xfree(buf);
1.100 nicm 1036: }
1037:
1038: void
1039: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1040: {
1041: u_int i;
1042: u_char *str = ctx->ptr;
1043:
1044: for (i = 0; i < ctx->num; i++)
1045: tty_putc(tty, str[i]);
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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