Annotation of src/usr.bin/tmux/tty.c, Revision 1.52
1.52 ! nicm 1: /* $OpenBSD: tty.c,v 1.51 2009/10/17 08:35:38 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: }
1.52 ! nicm 715:
! 716: /*
! 717: * If this line wrapped naturally (ctx->num is nonzero), don't do
! 718: * anything - the cursor can just be moved to the last cell and wrap
! 719: * naturally.
! 720: */
! 721: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
! 722: return;
1.1 nicm 723:
1.14 nicm 724: if (ctx->ocy == ctx->orlower) {
1.37 nicm 725: tty_reset(tty);
1.39 nicm 726:
727: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.41 nicm 728: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 729:
1.1 nicm 730: tty_putc(tty, '\n');
731: }
732: }
733:
734: void
1.24 nicm 735: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 736: {
1.12 nicm 737: struct window_pane *wp = ctx->wp;
738: struct screen *s = wp->screen;
739: u_int i, j;
1.1 nicm 740:
741: tty_reset(tty);
742:
1.39 nicm 743: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 744: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 745:
1.1 nicm 746: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
747: tty_term_has(tty->term, TTYC_EL)) {
748: tty_putcode(tty, TTYC_EL);
1.14 nicm 749: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 750: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 751: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 752: tty_putcode(tty, TTYC_EL);
753: if (i == screen_size_y(s) - 1)
754: continue;
755: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
756: tty->cy++;
757: }
758: }
759: } else {
1.14 nicm 760: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 761: tty_putc(tty, ' ');
1.14 nicm 762: for (j = ctx->ocy; j < screen_size_y(s); j++) {
1.41 nicm 763: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 764: for (i = 0; i < screen_size_x(s); i++)
765: tty_putc(tty, ' ');
766: }
767: }
768: }
769:
770: void
1.24 nicm 771: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 772: {
1.12 nicm 773: struct window_pane *wp = ctx->wp;
774: struct screen *s = wp->screen;
775: u_int i, j;
1.1 nicm 776:
777: tty_reset(tty);
778:
1.39 nicm 779: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 780: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 781:
1.1 nicm 782: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
783: tty_term_has(tty->term, TTYC_EL)) {
1.14 nicm 784: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 785: tty_putcode(tty, TTYC_EL);
786: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
787: tty->cy++;
788: }
789: } else {
1.14 nicm 790: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 791: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 792: for (i = 0; i < screen_size_x(s); i++)
793: tty_putc(tty, ' ');
794: }
795: }
1.14 nicm 796: for (i = 0; i <= ctx->ocx; i++)
1.1 nicm 797: tty_putc(tty, ' ');
798: }
799:
800: void
1.24 nicm 801: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 802: {
1.12 nicm 803: struct window_pane *wp = ctx->wp;
804: struct screen *s = wp->screen;
805: u_int i, j;
1.1 nicm 806:
807: tty_reset(tty);
808:
1.39 nicm 809: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 810: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 811:
1.1 nicm 812: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
813: tty_term_has(tty->term, TTYC_EL)) {
814: for (i = 0; i < screen_size_y(s); i++) {
815: tty_putcode(tty, TTYC_EL);
816: if (i != screen_size_y(s) - 1) {
817: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
818: tty->cy++;
819: }
820: }
821: } else {
822: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 823: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 824: for (i = 0; i < screen_size_x(s); i++)
825: tty_putc(tty, ' ');
826: }
1.4 nicm 827: }
828: }
829:
830: void
1.24 nicm 831: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 832: {
1.12 nicm 833: struct window_pane *wp = ctx->wp;
834: struct screen *s = wp->screen;
835: u_int i, j;
1.4 nicm 836:
837: tty_reset(tty);
838:
1.39 nicm 839: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 840:
841: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 842: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 843: for (i = 0; i < screen_size_x(s); i++)
844: tty_putc(tty, 'E');
1.1 nicm 845: }
846: }
847:
848: void
1.24 nicm 849: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 850: {
1.46 nicm 851: struct window_pane *wp = ctx->wp;
852: struct screen *s = wp->screen;
1.50 nicm 853: u_int cx;
1.46 nicm 854:
855: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
856:
857: /*
1.50 nicm 858: * Should the cursor be in the last cursor position ready for a natural
859: * wrap? If so - and it isn't - move to and rewrite the last cell.
1.46 nicm 860: */
1.51 nicm 861: if (!(tty->term->flags & TERM_EARLYWRAP) &&
862: ctx->ocx + wp->xoff > tty->sx - ctx->last_width) {
1.50 nicm 863: if (tty->cx < tty->sx) {
864: cx = screen_size_x(s) - ctx->last_width;
865: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
866: tty_cell(tty, &ctx->last_cell, &ctx->last_utf8);
867: }
868: } else
1.46 nicm 869: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 870:
1.12 nicm 871: tty_cell(tty, ctx->cell, ctx->utf8);
1.1 nicm 872: }
873:
874: void
1.24 nicm 875: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 876: {
1.12 nicm 877: u_char *ptr = ctx->ptr;
1.11 nicm 878: size_t i;
1.1 nicm 879:
1.11 nicm 880: for (i = 0; i < UTF8_SIZE; i++) {
1.12 nicm 881: if (ptr[i] == 0xff)
1.11 nicm 882: break;
1.12 nicm 883: tty_putc(tty, ptr[i]);
1.11 nicm 884: }
1.1 nicm 885: }
886:
887: void
888: tty_cell(
889: struct tty *tty, const struct grid_cell *gc, const struct grid_utf8 *gu)
890: {
891: u_int i;
892:
893: /* Skip last character if terminal is stupid. */
894: if (tty->term->flags & TERM_EARLYWRAP &&
895: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
896: return;
897:
898: /* If this is a padding character, do nothing. */
899: if (gc->flags & GRID_FLAG_PADDING)
900: return;
901:
902: /* Set the attributes. */
903: tty_attributes(tty, gc);
904:
905: /* If not UTF-8, write directly. */
906: if (!(gc->flags & GRID_FLAG_UTF8)) {
907: if (gc->data < 0x20 || gc->data == 0x7f)
908: return;
909: tty_putc(tty, gc->data);
910: return;
911: }
912:
913: /* If the terminal doesn't support UTF-8, write underscores. */
914: if (!(tty->flags & TTY_UTF8)) {
915: for (i = 0; i < gu->width; i++)
916: tty_putc(tty, '_');
917: return;
918: }
919:
920: /* Otherwise, write UTF-8. */
1.5 nicm 921: tty_pututf8(tty, gu);
1.1 nicm 922: }
923:
924: void
925: tty_reset(struct tty *tty)
926: {
927: struct grid_cell *gc = &tty->cell;
928:
929: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
930: return;
931:
932: if (tty_term_has(tty->term, TTYC_RMACS) && gc->attr & GRID_ATTR_CHARSET)
933: tty_putcode(tty, TTYC_RMACS);
934: tty_putcode(tty, TTYC_SGR0);
935: memcpy(gc, &grid_default_cell, sizeof *gc);
936: }
937:
1.40 nicm 938: /* Set region inside pane. */
1.1 nicm 939: void
1.39 nicm 940: tty_region_pane(
941: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 942: {
1.39 nicm 943: struct window_pane *wp = ctx->wp;
944:
1.40 nicm 945: tty_region(tty, wp->yoff + rupper, wp->yoff + rlower);
1.39 nicm 946: }
947:
1.40 nicm 948: /* Set region at absolute position. */
1.39 nicm 949: void
1.40 nicm 950: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 951: {
952: if (tty->rlower == rlower && tty->rupper == rupper)
953: return;
1.1 nicm 954: if (!tty_term_has(tty->term, TTYC_CSR))
955: return;
1.39 nicm 956:
957: tty->rupper = rupper;
958: tty->rlower = rlower;
1.42 nicm 959:
1.39 nicm 960: tty->cx = 0;
961: tty->cy = 0;
962:
963: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.1 nicm 964: }
965:
1.42 nicm 966: /* Move cursor inside pane. */
1.1 nicm 967: void
1.41 nicm 968: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
969: {
970: struct window_pane *wp = ctx->wp;
971:
972: tty_cursor(tty, wp->xoff + cx, wp->yoff + cy);
973: }
974:
1.42 nicm 975: /* Move cursor to absolute position. */
1.41 nicm 976: void
977: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 978: {
1.42 nicm 979: struct tty_term *term = tty->term;
980: u_int thisx, thisy;
981: int change;
982:
983: if (cx > tty->sx - 1)
984: cx = tty->sx - 1;
985:
986: thisx = tty->cx;
987: thisy = tty->cy;
988:
989: /* No change. */
990: if (cx == thisx && cy == thisy)
991: return;
992:
1.43 nicm 993: /* Very end of the line, just use absolute movement. */
994: if (thisx > tty->sx - 1)
995: goto absolute;
996:
1.42 nicm 997: /* Move to home position (0, 0). */
998: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
999: tty_putcode(tty, TTYC_HOME);
1000: goto out;
1001: }
1002:
1003: /* Zero on the next line. */
1.48 nicm 1004: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1005: tty_putc(tty, '\r');
1.42 nicm 1006: tty_putc(tty, '\n');
1007: goto out;
1008: }
1009:
1.45 nicm 1010: /* Moving column or row. */
1.42 nicm 1011: if (cy == thisy) {
1.45 nicm 1012: /*
1013: * Moving column only, row staying the same.
1014: */
1015:
1.42 nicm 1016: /* To left edge. */
1017: if (cx == 0) {
1018: tty_putc(tty, '\r');
1019: goto out;
1020: }
1021:
1022: /* One to the left. */
1023: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1024: tty_putcode(tty, TTYC_CUB1);
1025: goto out;
1026: }
1027:
1028: /* One to the right. */
1029: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1030: tty_putcode(tty, TTYC_CUF1);
1031: goto out;
1032: }
1033:
1034: /* Calculate difference. */
1035: change = thisx - cx; /* +ve left, -ve right */
1036:
1037: /*
1038: * Use HPA if change is larger than absolute, otherwise move
1039: * the cursor with CUB/CUF.
1040: */
1041: if (abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1042: tty_putcode1(tty, TTYC_HPA, cx);
1043: goto out;
1044: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1045: tty_putcode1(tty, TTYC_CUB, change);
1046: goto out;
1047: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1048: tty_putcode1(tty, TTYC_CUF, -change);
1049: goto out;
1050: }
1.45 nicm 1051: } else if (cx == thisx) {
1052: /*
1053: * Moving row only, column staying the same.
1054: */
1.42 nicm 1055:
1056: /* One above. */
1.49 nicm 1057: if (thisy != tty->rupper &&
1.42 nicm 1058: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1059: tty_putcode(tty, TTYC_CUU1);
1060: goto out;
1061: }
1062:
1063: /* One below. */
1.49 nicm 1064: if (thisy != tty->rlower &&
1.42 nicm 1065: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1066: tty_putcode(tty, TTYC_CUD1);
1067: goto out;
1068: }
1069:
1070: /* Calculate difference. */
1071: change = thisy - cy; /* +ve up, -ve down */
1072:
1073: /*
1.44 nicm 1074: * Try to use VPA if change is larger than absolute or if this change
1.42 nicm 1075: * would cross the scroll region, otherwise use CUU/CUD.
1076: */
1.44 nicm 1077: if (abs(change) > cy ||
1.42 nicm 1078: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1079: (change > 0 && cy - change < tty->rupper)) {
1080: if (tty_term_has(term, TTYC_VPA)) {
1081: tty_putcode1(tty, TTYC_VPA, cy);
1082: goto out;
1083: }
1.42 nicm 1084: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1085: tty_putcode1(tty, TTYC_CUU, change);
1086: goto out;
1087: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1088: tty_putcode1(tty, TTYC_CUD, -change);
1089: goto out;
1090: }
1091: }
1092:
1.43 nicm 1093: absolute:
1.42 nicm 1094: /* Absolute movement. */
1095: tty_putcode2(tty, TTYC_CUP, cy, cx);
1096:
1097: out:
1098: tty->cx = cx;
1099: tty->cy = cy;
1.1 nicm 1100: }
1101:
1102: void
1103: tty_attributes(struct tty *tty, const struct grid_cell *gc)
1104: {
1105: struct grid_cell *tc = &tty->cell;
1106: u_char changed;
1.18 nicm 1107: u_int fg, bg, attr;
1108:
1109: /*
1110: * If no setab, try to use the reverse attribute as a best-effort for a
1111: * non-default background. This is a bit of a hack but it doesn't do
1112: * any serious harm and makes a couple of applications happier.
1113: */
1114: fg = gc->fg; bg = gc->bg; attr = gc->attr;
1115: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1116: if (attr & GRID_ATTR_REVERSE) {
1117: if (fg != 7 && fg != 8)
1118: attr &= ~GRID_ATTR_REVERSE;
1119: } else {
1120: if (bg != 0 && bg != 8)
1121: attr |= GRID_ATTR_REVERSE;
1122: }
1123: }
1.1 nicm 1124:
1125: /* If any bits are being cleared, reset everything. */
1.18 nicm 1126: if (tc->attr & ~attr)
1.1 nicm 1127: tty_reset(tty);
1128:
1129: /* Filter out attribute bits already set. */
1.18 nicm 1130: changed = attr & ~tc->attr;
1131: tc->attr = attr;
1.1 nicm 1132:
1133: /* Set the attributes. */
1134: if (changed & GRID_ATTR_BRIGHT)
1135: tty_putcode(tty, TTYC_BOLD);
1136: if (changed & GRID_ATTR_DIM)
1137: tty_putcode(tty, TTYC_DIM);
1138: if (changed & GRID_ATTR_ITALICS)
1139: tty_putcode(tty, TTYC_SMSO);
1140: if (changed & GRID_ATTR_UNDERSCORE)
1141: tty_putcode(tty, TTYC_SMUL);
1142: if (changed & GRID_ATTR_BLINK)
1143: tty_putcode(tty, TTYC_BLINK);
1144: if (changed & GRID_ATTR_REVERSE) {
1145: if (tty_term_has(tty->term, TTYC_REV))
1146: tty_putcode(tty, TTYC_REV);
1147: else if (tty_term_has(tty->term, TTYC_SMSO))
1148: tty_putcode(tty, TTYC_SMSO);
1149: }
1150: if (changed & GRID_ATTR_HIDDEN)
1151: tty_putcode(tty, TTYC_INVIS);
1152: if (changed & GRID_ATTR_CHARSET)
1153: tty_putcode(tty, TTYC_SMACS);
1154:
1155: /* Set foreground colour. */
1156: if (fg != tc->fg ||
1157: (gc->flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256)) {
1158: tty_attributes_fg(tty, gc);
1159: tc->fg = fg;
1.8 nicm 1160: tc->flags &= ~GRID_FLAG_FG256;
1161: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1162: }
1163:
1164: /* Set background colour. */
1165: if (bg != tc->bg ||
1166: (gc->flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256)) {
1167: tty_attributes_bg(tty, gc);
1168: tc->bg = bg;
1.8 nicm 1169: tc->flags &= ~GRID_FLAG_BG256;
1170: tc->flags |= gc->flags & GRID_FLAG_BG256;
1.1 nicm 1171: }
1172: }
1173:
1174: int
1175: tty_try_256(struct tty *tty, u_char colour, const char *type)
1176: {
1177: char s[32];
1178:
1179: if (!(tty->term->flags & TERM_256COLOURS) &&
1180: !(tty->term_flags & TERM_256COLOURS))
1181: return (-1);
1182:
1183: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1184: tty_puts(tty, s);
1185: return (0);
1186: }
1187:
1188: int
1189: tty_try_88(struct tty *tty, u_char colour, const char *type)
1190: {
1191: char s[32];
1192:
1193: if (!(tty->term->flags & TERM_88COLOURS) &&
1194: !(tty->term_flags & TERM_88COLOURS))
1195: return (-1);
1196: colour = colour_256to88(colour);
1197:
1198: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1199: tty_puts(tty, s);
1200: return (0);
1201: }
1202:
1203: void
1204: tty_attributes_fg(struct tty *tty, const struct grid_cell *gc)
1205: {
1206: u_char fg;
1207:
1208: fg = gc->fg;
1209: if (gc->flags & GRID_FLAG_FG256) {
1210: if (tty_try_256(tty, fg, "38") == 0)
1211: return;
1212: if (tty_try_88(tty, fg, "38") == 0)
1213: return;
1214: fg = colour_256to16(fg);
1215: if (fg & 8) {
1216: fg &= 7;
1217: tty_putcode(tty, TTYC_BOLD);
1218: tty->cell.attr |= GRID_ATTR_BRIGHT;
1219: } else if (tty->cell.attr & GRID_ATTR_BRIGHT)
1220: tty_reset(tty);
1221: }
1222:
1223: if (fg == 8 &&
1224: !(tty->term->flags & TERM_HASDEFAULTS) &&
1225: !(tty->term_flags & TERM_HASDEFAULTS))
1226: fg = 7;
1227: if (fg == 8)
1228: tty_puts(tty, "\033[39m");
1229: else
1230: tty_putcode1(tty, TTYC_SETAF, fg);
1231: }
1232:
1233: void
1234: tty_attributes_bg(struct tty *tty, const struct grid_cell *gc)
1235: {
1236: u_char bg;
1237:
1238: bg = gc->bg;
1239: if (gc->flags & GRID_FLAG_BG256) {
1240: if (tty_try_256(tty, bg, "48") == 0)
1241: return;
1242: if (tty_try_88(tty, bg, "48") == 0)
1243: return;
1244: bg = colour_256to16(bg);
1245: if (bg & 8)
1246: bg &= 7;
1247: }
1248:
1249: if (bg == 8 &&
1250: !(tty->term->flags & TERM_HASDEFAULTS) &&
1251: !(tty->term_flags & TERM_HASDEFAULTS))
1252: bg = 0;
1253: if (bg == 8)
1254: tty_puts(tty, "\033[49m");
1255: else
1256: tty_putcode1(tty, TTYC_SETAB, bg);
1257: }
![[BACK]](/icons/back.gif){kind=icon}
Return to tty.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / tmux