Annotation of src/usr.bin/tmux/tty.c, Revision 1.51
1.51 ! nicm 1: /* $OpenBSD: tty.c,v 1.50 2009/10/17 08:24:46 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:
22: #include <errno.h>
23: #include <fcntl.h>
1.42 nicm 24: #include <stdlib.h>
1.1 nicm 25: #include <string.h>
26: #include <termios.h>
27: #include <unistd.h>
28:
29: #include "tmux.h"
30:
31: void tty_fill_acs(struct tty *);
32:
33: int tty_try_256(struct tty *, u_char, const char *);
34: int tty_try_88(struct tty *, u_char, const char *);
35:
36: void tty_attributes_fg(struct tty *, const struct grid_cell *);
37: void tty_attributes_bg(struct tty *, const struct grid_cell *);
38:
1.24 nicm 39: void tty_redraw_region(struct tty *, const struct tty_ctx *);
1.13 nicm 40: void tty_emulate_repeat(
41: struct tty *, enum tty_code_code, enum tty_code_code, u_int);
1.14 nicm 42: void tty_cell(struct tty *,
43: const struct grid_cell *, const struct grid_utf8 *);
1.1 nicm 44:
45: void
1.30 nicm 46: tty_init(struct tty *tty, int fd, char *term)
1.1 nicm 47: {
1.30 nicm 48: char *path;
49:
50: memset(tty, 0, sizeof *tty);
1.23 nicm 51: tty->log_fd = -1;
1.22 nicm 52:
1.9 nicm 53: if (term == NULL || *term == '\0')
1.1 nicm 54: tty->termname = xstrdup("unknown");
55: else
56: tty->termname = xstrdup(term);
1.30 nicm 57:
58: if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
59: fatal("fcntl failed");
60: tty->fd = fd;
61:
62: if ((path = ttyname(fd)) == NULL)
63: fatalx("ttyname failed");
64: tty->path = xstrdup(path);
65:
1.1 nicm 66: tty->flags = 0;
67: tty->term_flags = 0;
1.31 nicm 68: }
69:
70: void
71: tty_resize(struct tty *tty)
72: {
73: struct winsize ws;
74:
75: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
76: tty->sx = ws.ws_col;
77: tty->sy = ws.ws_row;
78: }
79: if (tty->sx == 0)
80: tty->sx = 80;
81: if (tty->sy == 0)
82: tty->sy = 24;
83:
84: tty->cx = UINT_MAX;
85: tty->cy = UINT_MAX;
86:
87: tty->rupper = UINT_MAX;
88: tty->rlower = UINT_MAX;
1.1 nicm 89: }
90:
91: int
1.17 nicm 92: tty_open(struct tty *tty, const char *overrides, char **cause)
1.1 nicm 93: {
1.30 nicm 94: int fd;
1.1 nicm 95:
1.30 nicm 96: if (debug_level > 3) {
97: fd = open("tmux.out", O_WRONLY|O_CREAT|O_TRUNC, 0644);
98: if (fd != -1 && fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
99: fatal("fcntl failed");
100: tty->log_fd = fd;
1.1 nicm 101: }
102:
1.17 nicm 103: tty->term = tty_term_find(tty->termname, tty->fd, overrides, cause);
1.21 nicm 104: if (tty->term == NULL) {
105: tty_close(tty);
106: return (-1);
107: }
108: tty->flags |= TTY_OPENED;
1.1 nicm 109:
110: tty->in = buffer_create(BUFSIZ);
111: tty->out = buffer_create(BUFSIZ);
112:
1.29 nicm 113: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_ESCAPE);
1.1 nicm 114:
115: tty_start_tty(tty);
116:
117: tty_keys_init(tty);
118:
119: tty_fill_acs(tty);
120:
121: return (0);
122: }
123:
124: void
125: tty_start_tty(struct tty *tty)
126: {
127: struct termios tio;
1.34 nicm 128: int what, mode;
1.33 nicm 129:
130: if (tty->fd == -1)
131: return;
1.1 nicm 132:
1.34 nicm 133: if ((mode = fcntl(tty->fd, F_GETFL)) == -1)
134: fatal("fcntl failed");
135: if (fcntl(tty->fd, F_SETFL, mode|O_NONBLOCK) == -1)
136: fatal("fcntl failed");
137:
1.1 nicm 138: if (tcgetattr(tty->fd, &tty->tio) != 0)
139: fatal("tcgetattr failed");
140: memcpy(&tio, &tty->tio, sizeof tio);
141: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
142: tio.c_iflag |= IGNBRK;
143: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
144: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
145: ECHOPRT|ECHOKE|ECHOCTL|ISIG);
146: tio.c_cc[VMIN] = 1;
147: tio.c_cc[VTIME] = 0;
148: if (tcsetattr(tty->fd, TCSANOW, &tio) != 0)
149: fatal("tcsetattr failed");
150:
151: what = 0;
152: if (ioctl(tty->fd, TIOCFLUSH, &what) != 0)
153: fatal("ioctl(TIOCFLUSH)");
154:
1.10 nicm 155: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 156:
1.25 nicm 157: tty_putcode(tty, TTYC_SGR0);
158: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
159:
1.1 nicm 160: tty_putcode(tty, TTYC_SMKX);
161: tty_putcode(tty, TTYC_ENACS);
162: tty_putcode(tty, TTYC_CLEAR);
163:
164: tty_putcode(tty, TTYC_CNORM);
165: if (tty_term_has(tty->term, TTYC_KMOUS))
166: tty_puts(tty, "\033[?1000l");
167:
168: tty->cx = UINT_MAX;
169: tty->cy = UINT_MAX;
170:
171: tty->rlower = UINT_MAX;
172: tty->rupper = UINT_MAX;
173:
174: tty->mode = MODE_CURSOR;
1.20 nicm 175:
176: tty->flags |= TTY_STARTED;
1.1 nicm 177: }
178:
179: void
180: tty_stop_tty(struct tty *tty)
181: {
182: struct winsize ws;
1.34 nicm 183: int mode;
1.1 nicm 184:
1.20 nicm 185: if (!(tty->flags & TTY_STARTED))
186: return;
187: tty->flags &= ~TTY_STARTED;
188:
1.1 nicm 189: /*
190: * Be flexible about error handling and try not kill the server just
191: * because the fd is invalid. Things like ssh -t can easily leave us
192: * with a dead tty.
193: */
1.34 nicm 194: if ((mode = fcntl(tty->fd, F_GETFL)) == -1)
195: return;
196: if (fcntl(tty->fd, F_SETFL, mode & ~O_NONBLOCK) == -1)
197: return;
1.1 nicm 198: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
199: return;
200: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
201: return;
202:
203: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
204: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
205: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
206: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
207: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
208:
209: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
210: if (tty_term_has(tty->term, TTYC_KMOUS))
211: tty_raw(tty, "\033[?1000l");
1.10 nicm 212:
213: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.1 nicm 214: }
215:
216: void
217: tty_fill_acs(struct tty *tty)
218: {
219: const char *ptr;
220:
221: memset(tty->acs, 0, sizeof tty->acs);
222: if (!tty_term_has(tty->term, TTYC_ACSC))
223: return;
224:
225: ptr = tty_term_string(tty->term, TTYC_ACSC);
226: if (strlen(ptr) % 2 != 0)
227: return;
228: for (; *ptr != '\0'; ptr += 2)
229: tty->acs[(u_char) ptr[0]] = ptr[1];
230: }
231:
232: u_char
233: tty_get_acs(struct tty *tty, u_char ch)
234: {
235: if (tty->acs[ch] != '\0')
236: return (tty->acs[ch]);
237: return (ch);
238: }
239:
240: void
1.20 nicm 241: tty_close(struct tty *tty)
1.1 nicm 242: {
243: if (tty->log_fd != -1) {
244: close(tty->log_fd);
245: tty->log_fd = -1;
246: }
247:
1.20 nicm 248: tty_stop_tty(tty);
1.1 nicm 249:
1.21 nicm 250: if (tty->flags & TTY_OPENED) {
251: tty_term_free(tty->term);
252: tty_keys_free(tty);
253:
254: buffer_destroy(tty->in);
255: buffer_destroy(tty->out);
1.1 nicm 256:
1.21 nicm 257: tty->flags &= ~TTY_OPENED;
258: }
1.1 nicm 259:
1.21 nicm 260: if (tty->fd != -1) {
261: close(tty->fd);
262: tty->fd = -1;
263: }
1.1 nicm 264: }
265:
266: void
1.20 nicm 267: tty_free(struct tty *tty)
1.1 nicm 268: {
1.20 nicm 269: tty_close(tty);
1.1 nicm 270:
271: if (tty->path != NULL)
272: xfree(tty->path);
273: if (tty->termname != NULL)
274: xfree(tty->termname);
275: }
276:
277: void
278: tty_raw(struct tty *tty, const char *s)
279: {
280: write(tty->fd, s, strlen(s));
281: }
282:
283: void
284: tty_putcode(struct tty *tty, enum tty_code_code code)
285: {
286: tty_puts(tty, tty_term_string(tty->term, code));
287: }
288:
289: void
290: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
291: {
292: if (a < 0)
293: return;
294: tty_puts(tty, tty_term_string1(tty->term, code, a));
295: }
296:
297: void
298: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
299: {
300: if (a < 0 || b < 0)
301: return;
302: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
303: }
304:
305: void
306: tty_puts(struct tty *tty, const char *s)
307: {
308: if (*s == '\0')
309: return;
310: buffer_write(tty->out, s, strlen(s));
311:
312: if (tty->log_fd != -1)
313: write(tty->log_fd, s, strlen(s));
314: }
315:
316: void
317: tty_putc(struct tty *tty, u_char ch)
318: {
319: u_int sx;
320:
321: if (tty->cell.attr & GRID_ATTR_CHARSET)
322: ch = tty_get_acs(tty, ch);
323: buffer_write8(tty->out, ch);
324:
325: if (ch >= 0x20 && ch != 0x7f) {
326: sx = tty->sx;
327: if (tty->term->flags & TERM_EARLYWRAP)
328: sx--;
329:
1.46 nicm 330: if (tty->cx >= sx) {
331: tty->cx = 1;
332: if (tty->cy != tty->rlower)
333: tty->cy++;
1.1 nicm 334: } else
335: tty->cx++;
336: }
337:
338: if (tty->log_fd != -1)
339: write(tty->log_fd, &ch, 1);
340: }
341:
342: void
1.5 nicm 343: tty_pututf8(struct tty *tty, const struct grid_utf8 *gu)
344: {
345: u_int i, width;
346:
347: for (i = 0; i < UTF8_SIZE; i++) {
348: if (gu->data[i] == 0xff)
349: break;
350: buffer_write8(tty->out, gu->data[i]);
351: if (tty->log_fd != -1)
352: write(tty->log_fd, &gu->data[i], 1);
353: }
354:
355: width = utf8_width(gu->data);
356: tty->cx += width;
357: }
358:
359: void
1.1 nicm 360: tty_set_title(struct tty *tty, const char *title)
361: {
362: if (strstr(tty->termname, "xterm") == NULL &&
363: strstr(tty->termname, "rxvt") == NULL &&
364: strcmp(tty->termname, "screen") != 0)
365: return;
366:
367: tty_puts(tty, "\033]0;");
368: tty_puts(tty, title);
369: tty_putc(tty, '\007');
370: }
371:
372: void
373: tty_update_mode(struct tty *tty, int mode)
374: {
375: int changed;
376:
377: if (tty->flags & TTY_NOCURSOR)
378: mode &= ~MODE_CURSOR;
379:
380: changed = mode ^ tty->mode;
381: if (changed & MODE_CURSOR) {
382: if (mode & MODE_CURSOR)
383: tty_putcode(tty, TTYC_CNORM);
384: else
385: tty_putcode(tty, TTYC_CIVIS);
386: }
387: if (changed & MODE_MOUSE) {
388: if (mode & MODE_MOUSE)
389: tty_puts(tty, "\033[?1000h");
390: else
391: tty_puts(tty, "\033[?1000l");
392: }
393: tty->mode = mode;
394: }
395:
396: void
397: tty_emulate_repeat(
398: struct tty *tty, enum tty_code_code code, enum tty_code_code code1, u_int n)
399: {
400: if (tty_term_has(tty->term, code))
401: tty_putcode1(tty, code, n);
402: else {
403: while (n-- > 0)
404: tty_putcode(tty, code1);
405: }
406: }
407:
408: /*
409: * Redraw scroll region using data from screen (already updated). Used when
410: * CSR not supported, or window is a pane that doesn't take up the full
411: * width of the terminal.
412: */
413: void
1.24 nicm 414: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 415: {
1.14 nicm 416: struct window_pane *wp = ctx->wp;
417: struct screen *s = wp->screen;
418: u_int i;
1.1 nicm 419:
420: /*
421: * If region is >= 50% of the screen, just schedule a window redraw. In
422: * most cases, this is likely to be followed by some more scrolling -
423: * without this, the entire pane ends up being redrawn many times which
424: * can be much more data.
425: */
1.14 nicm 426: if (ctx->orupper - ctx->orlower >= screen_size_y(s) / 2) {
1.1 nicm 427: wp->flags |= PANE_REDRAW;
428: return;
429: }
430:
1.14 nicm 431: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
432: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.1 nicm 433: tty_draw_line(tty, s, i, wp->xoff, wp->yoff);
434: } else {
1.14 nicm 435: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.1 nicm 436: tty_draw_line(tty, s, i, wp->xoff, wp->yoff);
437: }
438: }
439:
440: void
441: tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
442: {
443: const struct grid_cell *gc;
1.46 nicm 444: struct grid_line *gl;
1.16 nicm 445: struct grid_cell tmpgc;
1.1 nicm 446: const struct grid_utf8 *gu;
447: u_int i, sx;
448:
1.35 nicm 449: tty_update_mode(tty, tty->mode & ~MODE_CURSOR);
450:
1.1 nicm 451: sx = screen_size_x(s);
1.19 nicm 452: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
453: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 454: if (sx > tty->sx)
455: sx = tty->sx;
456:
1.46 nicm 457: /*
458: * Don't move the cursor to the start permission if it will wrap there
1.50 nicm 459: * itself.
1.46 nicm 460: */
461: gl = NULL;
462: if (py != 0)
463: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.47 nicm 464: if (oy + py == 0 || (gl != NULL && !(gl->flags & GRID_LINE_WRAPPED)) ||
465: tty->cx < tty->sx || ox != 0 ||
466: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 467: tty_cursor(tty, ox, oy + py);
468:
1.1 nicm 469: for (i = 0; i < sx; i++) {
470: gc = grid_view_peek_cell(s->grid, i, py);
471:
472: gu = NULL;
473: if (gc->flags & GRID_FLAG_UTF8)
474: gu = grid_view_peek_utf8(s->grid, i, py);
475:
476: if (screen_check_selection(s, i, py)) {
1.16 nicm 477: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
478: tmpgc.data = gc->data;
1.38 nicm 479: tmpgc.flags = gc->flags &
480: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
481: tmpgc.flags |= s->sel.cell.flags &
482: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.16 nicm 483: tty_cell(tty, &tmpgc, gu);
1.1 nicm 484: } else
485: tty_cell(tty, gc, gu);
486: }
487:
1.35 nicm 488: if (sx >= tty->sx) {
489: tty_update_mode(tty, tty->mode);
1.1 nicm 490: return;
1.35 nicm 491: }
1.1 nicm 492: tty_reset(tty);
493:
1.41 nicm 494: tty_cursor(tty, ox + sx, oy + py);
1.1 nicm 495: if (screen_size_x(s) >= tty->sx && tty_term_has(tty->term, TTYC_EL))
496: tty_putcode(tty, TTYC_EL);
497: else {
498: for (i = sx; i < screen_size_x(s); i++)
499: tty_putc(tty, ' ');
1.15 nicm 500: }
1.35 nicm 501: tty_update_mode(tty, tty->mode);
1.15 nicm 502: }
503:
504: void
1.24 nicm 505: tty_write(void (*cmdfn)(
506: struct tty *, const struct tty_ctx *), const struct tty_ctx *ctx)
1.15 nicm 507: {
508: struct window_pane *wp = ctx->wp;
509: struct client *c;
510: u_int i;
511:
512: if (wp == NULL)
513: return;
514:
515: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
516: return;
517: if (wp->window->flags & WINDOW_HIDDEN || !window_pane_visible(wp))
518: return;
519:
520: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
521: c = ARRAY_ITEM(&clients, i);
522: if (c == NULL || c->session == NULL)
523: continue;
524: if (c->flags & CLIENT_SUSPENDED)
525: continue;
526:
527: if (c->session->curw->window == wp->window) {
528: if (c->tty.flags & TTY_FREEZE || c->tty.term == NULL)
529: continue;
530: cmdfn(&c->tty, ctx);
531: }
1.1 nicm 532: }
533: }
534:
535: void
1.24 nicm 536: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 537: {
1.12 nicm 538: struct window_pane *wp = ctx->wp;
539: struct screen *s = wp->screen;
1.24 nicm 540: u_int i;
1.1 nicm 541:
542: if (wp->xoff != 0 || screen_size_x(s) < tty->sx) {
1.14 nicm 543: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 544: return;
545: }
546:
547: tty_reset(tty);
548:
1.41 nicm 549: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
550:
1.1 nicm 551: if (tty_term_has(tty->term, TTYC_ICH) ||
552: tty_term_has(tty->term, TTYC_ICH1))
1.12 nicm 553: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 554: else {
555: tty_putcode(tty, TTYC_SMIR);
1.24 nicm 556: for (i = 0; i < ctx->num; i++)
1.1 nicm 557: tty_putc(tty, ' ');
558: tty_putcode(tty, TTYC_RMIR);
559: }
560: }
561:
562: void
1.24 nicm 563: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 564: {
1.12 nicm 565: struct window_pane *wp = ctx->wp;
566: struct screen *s = wp->screen;
1.1 nicm 567:
1.26 nicm 568: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
569: (!tty_term_has(tty->term, TTYC_DCH) &&
570: !tty_term_has(tty->term, TTYC_DCH1))) {
1.14 nicm 571: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 572: return;
573: }
574:
575: tty_reset(tty);
576:
1.41 nicm 577: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
578:
1.26 nicm 579: if (tty_term_has(tty->term, TTYC_DCH) ||
580: tty_term_has(tty->term, TTYC_DCH1))
581: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.1 nicm 582: }
583:
584: void
1.24 nicm 585: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 586: {
1.12 nicm 587: struct window_pane *wp = ctx->wp;
588: struct screen *s = wp->screen;
1.1 nicm 589:
590: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
591: !tty_term_has(tty->term, TTYC_CSR)) {
1.14 nicm 592: tty_redraw_region(tty, ctx);
1.1 nicm 593: return;
594: }
595:
596: tty_reset(tty);
597:
1.39 nicm 598: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.41 nicm 599: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 600:
1.12 nicm 601: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 602: }
603:
604: void
1.24 nicm 605: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 606: {
1.12 nicm 607: struct window_pane *wp = ctx->wp;
608: struct screen *s = wp->screen;
1.1 nicm 609:
610: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
611: !tty_term_has(tty->term, TTYC_CSR)) {
1.14 nicm 612: tty_redraw_region(tty, ctx);
1.1 nicm 613: return;
614: }
615:
616: tty_reset(tty);
617:
1.39 nicm 618: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.41 nicm 619: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 620:
1.12 nicm 621: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 622: }
623:
624: void
1.24 nicm 625: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 626: {
1.12 nicm 627: struct window_pane *wp = ctx->wp;
628: struct screen *s = wp->screen;
629: u_int i;
1.1 nicm 630:
631: tty_reset(tty);
632:
1.41 nicm 633: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
634:
1.1 nicm 635: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
636: tty_term_has(tty->term, TTYC_EL)) {
637: tty_putcode(tty, TTYC_EL);
638: } else {
639: for (i = 0; i < screen_size_x(s); i++)
640: tty_putc(tty, ' ');
641: }
642: }
643:
644: void
1.24 nicm 645: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 646: {
1.12 nicm 647: struct window_pane *wp = ctx->wp;
648: struct screen *s = wp->screen;
649: u_int i;
1.1 nicm 650:
651: tty_reset(tty);
652:
1.41 nicm 653: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
654:
1.1 nicm 655: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
656: tty_term_has(tty->term, TTYC_EL))
657: tty_putcode(tty, TTYC_EL);
658: else {
1.14 nicm 659: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 660: tty_putc(tty, ' ');
661: }
662: }
663:
664: void
1.24 nicm 665: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 666: {
1.12 nicm 667: struct window_pane *wp = ctx->wp;
668: u_int i;
1.1 nicm 669:
670: tty_reset(tty);
671:
672: if (wp->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1.41 nicm 673: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 674: tty_putcode(tty, TTYC_EL1);
675: } else {
1.41 nicm 676: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.14 nicm 677: for (i = 0; i < ctx->ocx + 1; i++)
1.1 nicm 678: tty_putc(tty, ' ');
679: }
680: }
681:
682: void
1.24 nicm 683: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 684: {
1.12 nicm 685: struct window_pane *wp = ctx->wp;
686: struct screen *s = wp->screen;
1.1 nicm 687:
688: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
689: !tty_term_has(tty->term, TTYC_CSR)) {
1.14 nicm 690: tty_redraw_region(tty, ctx);
1.1 nicm 691: return;
692: }
693:
1.14 nicm 694: if (ctx->ocy == ctx->orupper) {
1.38 nicm 695: tty_reset(tty);
1.39 nicm 696:
697: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.41 nicm 698: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.39 nicm 699:
1.1 nicm 700: tty_putcode(tty, TTYC_RI);
701: }
702: }
703:
704: void
1.24 nicm 705: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 706: {
1.12 nicm 707: struct window_pane *wp = ctx->wp;
708: struct screen *s = wp->screen;
1.1 nicm 709:
710: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
711: !tty_term_has(tty->term, TTYC_CSR)) {
1.14 nicm 712: tty_redraw_region(tty, ctx);
1.1 nicm 713: return;
714: }
715:
1.14 nicm 716: if (ctx->ocy == ctx->orlower) {
1.37 nicm 717: tty_reset(tty);
1.39 nicm 718:
719: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.41 nicm 720: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 721:
1.1 nicm 722: tty_putc(tty, '\n');
723: }
724: }
725:
726: void
1.24 nicm 727: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 728: {
1.12 nicm 729: struct window_pane *wp = ctx->wp;
730: struct screen *s = wp->screen;
731: u_int i, j;
1.1 nicm 732:
733: tty_reset(tty);
734:
1.39 nicm 735: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 736: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 737:
1.1 nicm 738: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
739: tty_term_has(tty->term, TTYC_EL)) {
740: tty_putcode(tty, TTYC_EL);
1.14 nicm 741: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 742: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 743: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 744: tty_putcode(tty, TTYC_EL);
745: if (i == screen_size_y(s) - 1)
746: continue;
747: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
748: tty->cy++;
749: }
750: }
751: } else {
1.14 nicm 752: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 753: tty_putc(tty, ' ');
1.14 nicm 754: for (j = ctx->ocy; j < screen_size_y(s); j++) {
1.41 nicm 755: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 756: for (i = 0; i < screen_size_x(s); i++)
757: tty_putc(tty, ' ');
758: }
759: }
760: }
761:
762: void
1.24 nicm 763: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 764: {
1.12 nicm 765: struct window_pane *wp = ctx->wp;
766: struct screen *s = wp->screen;
767: u_int i, j;
1.1 nicm 768:
769: tty_reset(tty);
770:
1.39 nicm 771: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 772: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 773:
1.1 nicm 774: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
775: tty_term_has(tty->term, TTYC_EL)) {
1.14 nicm 776: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 777: tty_putcode(tty, TTYC_EL);
778: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
779: tty->cy++;
780: }
781: } else {
1.14 nicm 782: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 783: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 784: for (i = 0; i < screen_size_x(s); i++)
785: tty_putc(tty, ' ');
786: }
787: }
1.14 nicm 788: for (i = 0; i <= ctx->ocx; i++)
1.1 nicm 789: tty_putc(tty, ' ');
790: }
791:
792: void
1.24 nicm 793: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 794: {
1.12 nicm 795: struct window_pane *wp = ctx->wp;
796: struct screen *s = wp->screen;
797: u_int i, j;
1.1 nicm 798:
799: tty_reset(tty);
800:
1.39 nicm 801: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 802: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 803:
1.1 nicm 804: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
805: tty_term_has(tty->term, TTYC_EL)) {
806: for (i = 0; i < screen_size_y(s); i++) {
807: tty_putcode(tty, TTYC_EL);
808: if (i != screen_size_y(s) - 1) {
809: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
810: tty->cy++;
811: }
812: }
813: } else {
814: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 815: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 816: for (i = 0; i < screen_size_x(s); i++)
817: tty_putc(tty, ' ');
818: }
1.4 nicm 819: }
820: }
821:
822: void
1.24 nicm 823: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 824: {
1.12 nicm 825: struct window_pane *wp = ctx->wp;
826: struct screen *s = wp->screen;
827: u_int i, j;
1.4 nicm 828:
829: tty_reset(tty);
830:
1.39 nicm 831: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 832:
833: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 834: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 835: for (i = 0; i < screen_size_x(s); i++)
836: tty_putc(tty, 'E');
1.1 nicm 837: }
838: }
839:
840: void
1.24 nicm 841: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 842: {
1.46 nicm 843: struct window_pane *wp = ctx->wp;
844: struct screen *s = wp->screen;
1.50 nicm 845: u_int cx;
1.46 nicm 846:
847: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
848:
849: /*
1.50 nicm 850: * Should the cursor be in the last cursor position ready for a natural
851: * wrap? If so - and it isn't - move to and rewrite the last cell.
1.46 nicm 852: */
1.51 ! nicm 853: if (!(tty->term->flags & TERM_EARLYWRAP) &&
! 854: ctx->ocx + wp->xoff > tty->sx - ctx->last_width) {
1.50 nicm 855: if (tty->cx < tty->sx) {
856: cx = screen_size_x(s) - ctx->last_width;
857: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
858: tty_cell(tty, &ctx->last_cell, &ctx->last_utf8);
859: }
860: } else
1.46 nicm 861: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 862:
1.12 nicm 863: tty_cell(tty, ctx->cell, ctx->utf8);
1.1 nicm 864: }
865:
866: void
1.24 nicm 867: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 868: {
1.12 nicm 869: u_char *ptr = ctx->ptr;
1.11 nicm 870: size_t i;
1.1 nicm 871:
1.11 nicm 872: for (i = 0; i < UTF8_SIZE; i++) {
1.12 nicm 873: if (ptr[i] == 0xff)
1.11 nicm 874: break;
1.12 nicm 875: tty_putc(tty, ptr[i]);
1.11 nicm 876: }
1.1 nicm 877: }
878:
879: void
880: tty_cell(
881: struct tty *tty, const struct grid_cell *gc, const struct grid_utf8 *gu)
882: {
883: u_int i;
884:
885: /* Skip last character if terminal is stupid. */
886: if (tty->term->flags & TERM_EARLYWRAP &&
887: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
888: return;
889:
890: /* If this is a padding character, do nothing. */
891: if (gc->flags & GRID_FLAG_PADDING)
892: return;
893:
894: /* Set the attributes. */
895: tty_attributes(tty, gc);
896:
897: /* If not UTF-8, write directly. */
898: if (!(gc->flags & GRID_FLAG_UTF8)) {
899: if (gc->data < 0x20 || gc->data == 0x7f)
900: return;
901: tty_putc(tty, gc->data);
902: return;
903: }
904:
905: /* If the terminal doesn't support UTF-8, write underscores. */
906: if (!(tty->flags & TTY_UTF8)) {
907: for (i = 0; i < gu->width; i++)
908: tty_putc(tty, '_');
909: return;
910: }
911:
912: /* Otherwise, write UTF-8. */
1.5 nicm 913: tty_pututf8(tty, gu);
1.1 nicm 914: }
915:
916: void
917: tty_reset(struct tty *tty)
918: {
919: struct grid_cell *gc = &tty->cell;
920:
921: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
922: return;
923:
924: if (tty_term_has(tty->term, TTYC_RMACS) && gc->attr & GRID_ATTR_CHARSET)
925: tty_putcode(tty, TTYC_RMACS);
926: tty_putcode(tty, TTYC_SGR0);
927: memcpy(gc, &grid_default_cell, sizeof *gc);
928: }
929:
1.40 nicm 930: /* Set region inside pane. */
1.1 nicm 931: void
1.39 nicm 932: tty_region_pane(
933: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 934: {
1.39 nicm 935: struct window_pane *wp = ctx->wp;
936:
1.40 nicm 937: tty_region(tty, wp->yoff + rupper, wp->yoff + rlower);
1.39 nicm 938: }
939:
1.40 nicm 940: /* Set region at absolute position. */
1.39 nicm 941: void
1.40 nicm 942: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 943: {
944: if (tty->rlower == rlower && tty->rupper == rupper)
945: return;
1.1 nicm 946: if (!tty_term_has(tty->term, TTYC_CSR))
947: return;
1.39 nicm 948:
949: tty->rupper = rupper;
950: tty->rlower = rlower;
1.42 nicm 951:
1.39 nicm 952: tty->cx = 0;
953: tty->cy = 0;
954:
955: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.1 nicm 956: }
957:
1.42 nicm 958: /* Move cursor inside pane. */
1.1 nicm 959: void
1.41 nicm 960: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
961: {
962: struct window_pane *wp = ctx->wp;
963:
964: tty_cursor(tty, wp->xoff + cx, wp->yoff + cy);
965: }
966:
1.42 nicm 967: /* Move cursor to absolute position. */
1.41 nicm 968: void
969: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 970: {
1.42 nicm 971: struct tty_term *term = tty->term;
972: u_int thisx, thisy;
973: int change;
974:
975: if (cx > tty->sx - 1)
976: cx = tty->sx - 1;
977:
978: thisx = tty->cx;
979: thisy = tty->cy;
980:
981: /* No change. */
982: if (cx == thisx && cy == thisy)
983: return;
984:
1.43 nicm 985: /* Very end of the line, just use absolute movement. */
986: if (thisx > tty->sx - 1)
987: goto absolute;
988:
1.42 nicm 989: /* Move to home position (0, 0). */
990: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
991: tty_putcode(tty, TTYC_HOME);
992: goto out;
993: }
994:
995: /* Zero on the next line. */
1.48 nicm 996: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 997: tty_putc(tty, '\r');
1.42 nicm 998: tty_putc(tty, '\n');
999: goto out;
1000: }
1001:
1.45 nicm 1002: /* Moving column or row. */
1.42 nicm 1003: if (cy == thisy) {
1.45 nicm 1004: /*
1005: * Moving column only, row staying the same.
1006: */
1007:
1.42 nicm 1008: /* To left edge. */
1009: if (cx == 0) {
1010: tty_putc(tty, '\r');
1011: goto out;
1012: }
1013:
1014: /* One to the left. */
1015: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1016: tty_putcode(tty, TTYC_CUB1);
1017: goto out;
1018: }
1019:
1020: /* One to the right. */
1021: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1022: tty_putcode(tty, TTYC_CUF1);
1023: goto out;
1024: }
1025:
1026: /* Calculate difference. */
1027: change = thisx - cx; /* +ve left, -ve right */
1028:
1029: /*
1030: * Use HPA if change is larger than absolute, otherwise move
1031: * the cursor with CUB/CUF.
1032: */
1033: if (abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1034: tty_putcode1(tty, TTYC_HPA, cx);
1035: goto out;
1036: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1037: tty_putcode1(tty, TTYC_CUB, change);
1038: goto out;
1039: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1040: tty_putcode1(tty, TTYC_CUF, -change);
1041: goto out;
1042: }
1.45 nicm 1043: } else if (cx == thisx) {
1044: /*
1045: * Moving row only, column staying the same.
1046: */
1.42 nicm 1047:
1048: /* One above. */
1.49 nicm 1049: if (thisy != tty->rupper &&
1.42 nicm 1050: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1051: tty_putcode(tty, TTYC_CUU1);
1052: goto out;
1053: }
1054:
1055: /* One below. */
1.49 nicm 1056: if (thisy != tty->rlower &&
1.42 nicm 1057: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1058: tty_putcode(tty, TTYC_CUD1);
1059: goto out;
1060: }
1061:
1062: /* Calculate difference. */
1063: change = thisy - cy; /* +ve up, -ve down */
1064:
1065: /*
1.44 nicm 1066: * Try to use VPA if change is larger than absolute or if this change
1.42 nicm 1067: * would cross the scroll region, otherwise use CUU/CUD.
1068: */
1.44 nicm 1069: if (abs(change) > cy ||
1.42 nicm 1070: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1071: (change > 0 && cy - change < tty->rupper)) {
1072: if (tty_term_has(term, TTYC_VPA)) {
1073: tty_putcode1(tty, TTYC_VPA, cy);
1074: goto out;
1075: }
1.42 nicm 1076: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1077: tty_putcode1(tty, TTYC_CUU, change);
1078: goto out;
1079: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1080: tty_putcode1(tty, TTYC_CUD, -change);
1081: goto out;
1082: }
1083: }
1084:
1.43 nicm 1085: absolute:
1.42 nicm 1086: /* Absolute movement. */
1087: tty_putcode2(tty, TTYC_CUP, cy, cx);
1088:
1089: out:
1090: tty->cx = cx;
1091: tty->cy = cy;
1.1 nicm 1092: }
1093:
1094: void
1095: tty_attributes(struct tty *tty, const struct grid_cell *gc)
1096: {
1097: struct grid_cell *tc = &tty->cell;
1098: u_char changed;
1.18 nicm 1099: u_int fg, bg, attr;
1100:
1101: /*
1102: * If no setab, try to use the reverse attribute as a best-effort for a
1103: * non-default background. This is a bit of a hack but it doesn't do
1104: * any serious harm and makes a couple of applications happier.
1105: */
1106: fg = gc->fg; bg = gc->bg; attr = gc->attr;
1107: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1108: if (attr & GRID_ATTR_REVERSE) {
1109: if (fg != 7 && fg != 8)
1110: attr &= ~GRID_ATTR_REVERSE;
1111: } else {
1112: if (bg != 0 && bg != 8)
1113: attr |= GRID_ATTR_REVERSE;
1114: }
1115: }
1.1 nicm 1116:
1117: /* If any bits are being cleared, reset everything. */
1.18 nicm 1118: if (tc->attr & ~attr)
1.1 nicm 1119: tty_reset(tty);
1120:
1121: /* Filter out attribute bits already set. */
1.18 nicm 1122: changed = attr & ~tc->attr;
1123: tc->attr = attr;
1.1 nicm 1124:
1125: /* Set the attributes. */
1126: if (changed & GRID_ATTR_BRIGHT)
1127: tty_putcode(tty, TTYC_BOLD);
1128: if (changed & GRID_ATTR_DIM)
1129: tty_putcode(tty, TTYC_DIM);
1130: if (changed & GRID_ATTR_ITALICS)
1131: tty_putcode(tty, TTYC_SMSO);
1132: if (changed & GRID_ATTR_UNDERSCORE)
1133: tty_putcode(tty, TTYC_SMUL);
1134: if (changed & GRID_ATTR_BLINK)
1135: tty_putcode(tty, TTYC_BLINK);
1136: if (changed & GRID_ATTR_REVERSE) {
1137: if (tty_term_has(tty->term, TTYC_REV))
1138: tty_putcode(tty, TTYC_REV);
1139: else if (tty_term_has(tty->term, TTYC_SMSO))
1140: tty_putcode(tty, TTYC_SMSO);
1141: }
1142: if (changed & GRID_ATTR_HIDDEN)
1143: tty_putcode(tty, TTYC_INVIS);
1144: if (changed & GRID_ATTR_CHARSET)
1145: tty_putcode(tty, TTYC_SMACS);
1146:
1147: /* Set foreground colour. */
1148: if (fg != tc->fg ||
1149: (gc->flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256)) {
1150: tty_attributes_fg(tty, gc);
1151: tc->fg = fg;
1.8 nicm 1152: tc->flags &= ~GRID_FLAG_FG256;
1153: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1154: }
1155:
1156: /* Set background colour. */
1157: if (bg != tc->bg ||
1158: (gc->flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256)) {
1159: tty_attributes_bg(tty, gc);
1160: tc->bg = bg;
1.8 nicm 1161: tc->flags &= ~GRID_FLAG_BG256;
1162: tc->flags |= gc->flags & GRID_FLAG_BG256;
1.1 nicm 1163: }
1164: }
1165:
1166: int
1167: tty_try_256(struct tty *tty, u_char colour, const char *type)
1168: {
1169: char s[32];
1170:
1171: if (!(tty->term->flags & TERM_256COLOURS) &&
1172: !(tty->term_flags & TERM_256COLOURS))
1173: return (-1);
1174:
1175: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1176: tty_puts(tty, s);
1177: return (0);
1178: }
1179:
1180: int
1181: tty_try_88(struct tty *tty, u_char colour, const char *type)
1182: {
1183: char s[32];
1184:
1185: if (!(tty->term->flags & TERM_88COLOURS) &&
1186: !(tty->term_flags & TERM_88COLOURS))
1187: return (-1);
1188: colour = colour_256to88(colour);
1189:
1190: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1191: tty_puts(tty, s);
1192: return (0);
1193: }
1194:
1195: void
1196: tty_attributes_fg(struct tty *tty, const struct grid_cell *gc)
1197: {
1198: u_char fg;
1199:
1200: fg = gc->fg;
1201: if (gc->flags & GRID_FLAG_FG256) {
1202: if (tty_try_256(tty, fg, "38") == 0)
1203: return;
1204: if (tty_try_88(tty, fg, "38") == 0)
1205: return;
1206: fg = colour_256to16(fg);
1207: if (fg & 8) {
1208: fg &= 7;
1209: tty_putcode(tty, TTYC_BOLD);
1210: tty->cell.attr |= GRID_ATTR_BRIGHT;
1211: } else if (tty->cell.attr & GRID_ATTR_BRIGHT)
1212: tty_reset(tty);
1213: }
1214:
1215: if (fg == 8 &&
1216: !(tty->term->flags & TERM_HASDEFAULTS) &&
1217: !(tty->term_flags & TERM_HASDEFAULTS))
1218: fg = 7;
1219: if (fg == 8)
1220: tty_puts(tty, "\033[39m");
1221: else
1222: tty_putcode1(tty, TTYC_SETAF, fg);
1223: }
1224:
1225: void
1226: tty_attributes_bg(struct tty *tty, const struct grid_cell *gc)
1227: {
1228: u_char bg;
1229:
1230: bg = gc->bg;
1231: if (gc->flags & GRID_FLAG_BG256) {
1232: if (tty_try_256(tty, bg, "48") == 0)
1233: return;
1234: if (tty_try_88(tty, bg, "48") == 0)
1235: return;
1236: bg = colour_256to16(bg);
1237: if (bg & 8)
1238: bg &= 7;
1239: }
1240:
1241: if (bg == 8 &&
1242: !(tty->term->flags & TERM_HASDEFAULTS) &&
1243: !(tty->term_flags & TERM_HASDEFAULTS))
1244: bg = 0;
1245: if (bg == 8)
1246: tty_puts(tty, "\033[49m");
1247: else
1248: tty_putcode1(tty, TTYC_SETAB, bg);
1249: }
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