Annotation of src/usr.bin/tmux/tty.c, Revision 1.46
1.46 ! nicm 1: /* $OpenBSD: tty.c,v 1.45 2009/10/12 16:41:02 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
! 459: * itself; much the same as the conditions in tty_cmd_cell.
! 460: */
! 461: gl = NULL;
! 462: if (py != 0)
! 463: gl = &s->grid->linedata[s->grid->hsize + py - 1];
! 464: if (ox != 0 || (gl != NULL && !(gl->flags & GRID_LINE_WRAPPED)) ||
! 465: tty->cy != oy + py - 1 || tty->cx < tty->sx)
! 466: tty_cursor(tty, ox, oy + py);
! 467:
1.1 nicm 468: for (i = 0; i < sx; i++) {
469: gc = grid_view_peek_cell(s->grid, i, py);
470:
471: gu = NULL;
472: if (gc->flags & GRID_FLAG_UTF8)
473: gu = grid_view_peek_utf8(s->grid, i, py);
474:
475: if (screen_check_selection(s, i, py)) {
1.16 nicm 476: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
477: tmpgc.data = gc->data;
1.38 nicm 478: tmpgc.flags = gc->flags &
479: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
480: tmpgc.flags |= s->sel.cell.flags &
481: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.16 nicm 482: tty_cell(tty, &tmpgc, gu);
1.1 nicm 483: } else
484: tty_cell(tty, gc, gu);
485: }
486:
1.35 nicm 487: if (sx >= tty->sx) {
488: tty_update_mode(tty, tty->mode);
1.1 nicm 489: return;
1.35 nicm 490: }
1.1 nicm 491: tty_reset(tty);
492:
1.41 nicm 493: tty_cursor(tty, ox + sx, oy + py);
1.1 nicm 494: if (screen_size_x(s) >= tty->sx && tty_term_has(tty->term, TTYC_EL))
495: tty_putcode(tty, TTYC_EL);
496: else {
497: for (i = sx; i < screen_size_x(s); i++)
498: tty_putc(tty, ' ');
1.15 nicm 499: }
1.35 nicm 500: tty_update_mode(tty, tty->mode);
1.15 nicm 501: }
502:
503: void
1.24 nicm 504: tty_write(void (*cmdfn)(
505: struct tty *, const struct tty_ctx *), const struct tty_ctx *ctx)
1.15 nicm 506: {
507: struct window_pane *wp = ctx->wp;
508: struct client *c;
509: u_int i;
510:
511: if (wp == NULL)
512: return;
513:
514: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
515: return;
516: if (wp->window->flags & WINDOW_HIDDEN || !window_pane_visible(wp))
517: return;
518:
519: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
520: c = ARRAY_ITEM(&clients, i);
521: if (c == NULL || c->session == NULL)
522: continue;
523: if (c->flags & CLIENT_SUSPENDED)
524: continue;
525:
526: if (c->session->curw->window == wp->window) {
527: if (c->tty.flags & TTY_FREEZE || c->tty.term == NULL)
528: continue;
529: cmdfn(&c->tty, ctx);
530: }
1.1 nicm 531: }
532: }
533:
534: void
1.24 nicm 535: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 536: {
1.12 nicm 537: struct window_pane *wp = ctx->wp;
538: struct screen *s = wp->screen;
1.24 nicm 539: u_int i;
1.1 nicm 540:
541: if (wp->xoff != 0 || screen_size_x(s) < tty->sx) {
1.14 nicm 542: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 543: return;
544: }
545:
546: tty_reset(tty);
547:
1.41 nicm 548: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
549:
1.1 nicm 550: if (tty_term_has(tty->term, TTYC_ICH) ||
551: tty_term_has(tty->term, TTYC_ICH1))
1.12 nicm 552: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 553: else {
554: tty_putcode(tty, TTYC_SMIR);
1.24 nicm 555: for (i = 0; i < ctx->num; i++)
1.1 nicm 556: tty_putc(tty, ' ');
557: tty_putcode(tty, TTYC_RMIR);
558: }
559: }
560:
561: void
1.24 nicm 562: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 563: {
1.12 nicm 564: struct window_pane *wp = ctx->wp;
565: struct screen *s = wp->screen;
1.1 nicm 566:
1.26 nicm 567: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
568: (!tty_term_has(tty->term, TTYC_DCH) &&
569: !tty_term_has(tty->term, TTYC_DCH1))) {
1.14 nicm 570: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 571: return;
572: }
573:
574: tty_reset(tty);
575:
1.41 nicm 576: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
577:
1.26 nicm 578: if (tty_term_has(tty->term, TTYC_DCH) ||
579: tty_term_has(tty->term, TTYC_DCH1))
580: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.1 nicm 581: }
582:
583: void
1.24 nicm 584: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 585: {
1.12 nicm 586: struct window_pane *wp = ctx->wp;
587: struct screen *s = wp->screen;
1.1 nicm 588:
589: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
590: !tty_term_has(tty->term, TTYC_CSR)) {
1.14 nicm 591: tty_redraw_region(tty, ctx);
1.1 nicm 592: return;
593: }
594:
595: tty_reset(tty);
596:
1.39 nicm 597: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.41 nicm 598: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 599:
1.12 nicm 600: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 601: }
602:
603: void
1.24 nicm 604: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 605: {
1.12 nicm 606: struct window_pane *wp = ctx->wp;
607: struct screen *s = wp->screen;
1.1 nicm 608:
609: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
610: !tty_term_has(tty->term, TTYC_CSR)) {
1.14 nicm 611: tty_redraw_region(tty, ctx);
1.1 nicm 612: return;
613: }
614:
615: tty_reset(tty);
616:
1.39 nicm 617: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.41 nicm 618: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 619:
1.12 nicm 620: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 621: }
622:
623: void
1.24 nicm 624: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 625: {
1.12 nicm 626: struct window_pane *wp = ctx->wp;
627: struct screen *s = wp->screen;
628: u_int i;
1.1 nicm 629:
630: tty_reset(tty);
631:
1.41 nicm 632: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
633:
1.1 nicm 634: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
635: tty_term_has(tty->term, TTYC_EL)) {
636: tty_putcode(tty, TTYC_EL);
637: } else {
638: for (i = 0; i < screen_size_x(s); i++)
639: tty_putc(tty, ' ');
640: }
641: }
642:
643: void
1.24 nicm 644: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 645: {
1.12 nicm 646: struct window_pane *wp = ctx->wp;
647: struct screen *s = wp->screen;
648: u_int i;
1.1 nicm 649:
650: tty_reset(tty);
651:
1.41 nicm 652: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
653:
1.1 nicm 654: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
655: tty_term_has(tty->term, TTYC_EL))
656: tty_putcode(tty, TTYC_EL);
657: else {
1.14 nicm 658: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 659: tty_putc(tty, ' ');
660: }
661: }
662:
663: void
1.24 nicm 664: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 665: {
1.12 nicm 666: struct window_pane *wp = ctx->wp;
667: u_int i;
1.1 nicm 668:
669: tty_reset(tty);
670:
671: if (wp->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1.41 nicm 672: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 673: tty_putcode(tty, TTYC_EL1);
674: } else {
1.41 nicm 675: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.14 nicm 676: for (i = 0; i < ctx->ocx + 1; i++)
1.1 nicm 677: tty_putc(tty, ' ');
678: }
679: }
680:
681: void
1.24 nicm 682: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 683: {
1.12 nicm 684: struct window_pane *wp = ctx->wp;
685: struct screen *s = wp->screen;
1.1 nicm 686:
687: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
688: !tty_term_has(tty->term, TTYC_CSR)) {
1.14 nicm 689: tty_redraw_region(tty, ctx);
1.1 nicm 690: return;
691: }
692:
1.14 nicm 693: if (ctx->ocy == ctx->orupper) {
1.38 nicm 694: tty_reset(tty);
1.39 nicm 695:
696: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.41 nicm 697: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.39 nicm 698:
1.1 nicm 699: tty_putcode(tty, TTYC_RI);
700: }
701: }
702:
703: void
1.24 nicm 704: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 705: {
1.12 nicm 706: struct window_pane *wp = ctx->wp;
707: struct screen *s = wp->screen;
1.1 nicm 708:
709: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
710: !tty_term_has(tty->term, TTYC_CSR)) {
1.14 nicm 711: tty_redraw_region(tty, ctx);
1.1 nicm 712: return;
713: }
714:
1.14 nicm 715: if (ctx->ocy == ctx->orlower) {
1.37 nicm 716: tty_reset(tty);
1.39 nicm 717:
718: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.41 nicm 719: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 720:
1.1 nicm 721: tty_putc(tty, '\n');
722: }
723: }
724:
725: void
1.24 nicm 726: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 727: {
1.12 nicm 728: struct window_pane *wp = ctx->wp;
729: struct screen *s = wp->screen;
730: u_int i, j;
1.1 nicm 731:
732: tty_reset(tty);
733:
1.39 nicm 734: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 735: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 736:
1.1 nicm 737: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
738: tty_term_has(tty->term, TTYC_EL)) {
739: tty_putcode(tty, TTYC_EL);
1.14 nicm 740: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 741: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 742: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 743: tty_putcode(tty, TTYC_EL);
744: if (i == screen_size_y(s) - 1)
745: continue;
746: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
747: tty->cy++;
748: }
749: }
750: } else {
1.14 nicm 751: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 752: tty_putc(tty, ' ');
1.14 nicm 753: for (j = ctx->ocy; j < screen_size_y(s); j++) {
1.41 nicm 754: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 755: for (i = 0; i < screen_size_x(s); i++)
756: tty_putc(tty, ' ');
757: }
758: }
759: }
760:
761: void
1.24 nicm 762: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 763: {
1.12 nicm 764: struct window_pane *wp = ctx->wp;
765: struct screen *s = wp->screen;
766: u_int i, j;
1.1 nicm 767:
768: tty_reset(tty);
769:
1.39 nicm 770: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 771: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 772:
1.1 nicm 773: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
774: tty_term_has(tty->term, TTYC_EL)) {
1.14 nicm 775: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 776: tty_putcode(tty, TTYC_EL);
777: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
778: tty->cy++;
779: }
780: } else {
1.14 nicm 781: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 782: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 783: for (i = 0; i < screen_size_x(s); i++)
784: tty_putc(tty, ' ');
785: }
786: }
1.14 nicm 787: for (i = 0; i <= ctx->ocx; i++)
1.1 nicm 788: tty_putc(tty, ' ');
789: }
790:
791: void
1.24 nicm 792: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 793: {
1.12 nicm 794: struct window_pane *wp = ctx->wp;
795: struct screen *s = wp->screen;
796: u_int i, j;
1.1 nicm 797:
798: tty_reset(tty);
799:
1.39 nicm 800: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 801: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 802:
1.1 nicm 803: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
804: tty_term_has(tty->term, TTYC_EL)) {
805: for (i = 0; i < screen_size_y(s); i++) {
806: tty_putcode(tty, TTYC_EL);
807: if (i != screen_size_y(s) - 1) {
808: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
809: tty->cy++;
810: }
811: }
812: } else {
813: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 814: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 815: for (i = 0; i < screen_size_x(s); i++)
816: tty_putc(tty, ' ');
817: }
1.4 nicm 818: }
819: }
820:
821: void
1.24 nicm 822: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 823: {
1.12 nicm 824: struct window_pane *wp = ctx->wp;
825: struct screen *s = wp->screen;
826: u_int i, j;
1.4 nicm 827:
828: tty_reset(tty);
829:
1.39 nicm 830: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 831:
832: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 833: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 834: for (i = 0; i < screen_size_x(s); i++)
835: tty_putc(tty, 'E');
1.1 nicm 836: }
837: }
838:
839: void
1.24 nicm 840: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 841: {
1.46 ! nicm 842: struct window_pane *wp = ctx->wp;
! 843: struct screen *s = wp->screen;
! 844: struct grid_line *gl;
! 845: u_int wx, wy;
! 846:
! 847: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
! 848:
! 849: wx = ctx->ocx + wp->xoff;
! 850: wy = ctx->ocy + wp->yoff;
! 851:
! 852: /*
! 853: * If:
! 854: *
! 855: * - the line was wrapped:
! 856: * - the cursor is beyond the edge of the screen,
! 857: * - the desired position is at the left,
! 858: * - and either a) the desired next line is the one below the current
! 859: * or b) the current line is the bottom of the scroll region,
! 860: *
! 861: * Then just printing the next character will be enough to scroll into
! 862: * place, so don't do an explicit cursor move.
! 863: */
! 864: gl = NULL;
! 865: if (ctx->ocy != 0)
! 866: gl = &s->grid->linedata[s->grid->hsize + ctx->ocy - 1];
! 867: if (wy == 0 || (gl != NULL && !(gl->flags & GRID_LINE_WRAPPED)) ||
! 868: tty->cx < tty->sx || /* not at edge of screen */
! 869: wx != 0 || /* don't want 0 next */
! 870: (wy != tty->cy + 1 && tty->cy != ctx->orlower + wp->yoff))
! 871: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 872:
1.12 nicm 873: tty_cell(tty, ctx->cell, ctx->utf8);
1.1 nicm 874: }
875:
876: void
1.24 nicm 877: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 878: {
1.12 nicm 879: u_char *ptr = ctx->ptr;
1.11 nicm 880: size_t i;
1.1 nicm 881:
1.11 nicm 882: for (i = 0; i < UTF8_SIZE; i++) {
1.12 nicm 883: if (ptr[i] == 0xff)
1.11 nicm 884: break;
1.12 nicm 885: tty_putc(tty, ptr[i]);
1.11 nicm 886: }
1.1 nicm 887: }
888:
889: void
890: tty_cell(
891: struct tty *tty, const struct grid_cell *gc, const struct grid_utf8 *gu)
892: {
893: u_int i;
894:
895: /* Skip last character if terminal is stupid. */
896: if (tty->term->flags & TERM_EARLYWRAP &&
897: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
898: return;
899:
900: /* If this is a padding character, do nothing. */
901: if (gc->flags & GRID_FLAG_PADDING)
902: return;
903:
904: /* Set the attributes. */
905: tty_attributes(tty, gc);
906:
907: /* If not UTF-8, write directly. */
908: if (!(gc->flags & GRID_FLAG_UTF8)) {
909: if (gc->data < 0x20 || gc->data == 0x7f)
910: return;
911: tty_putc(tty, gc->data);
912: return;
913: }
914:
915: /* If the terminal doesn't support UTF-8, write underscores. */
916: if (!(tty->flags & TTY_UTF8)) {
917: for (i = 0; i < gu->width; i++)
918: tty_putc(tty, '_');
919: return;
920: }
921:
922: /* Otherwise, write UTF-8. */
1.5 nicm 923: tty_pututf8(tty, gu);
1.1 nicm 924: }
925:
926: void
927: tty_reset(struct tty *tty)
928: {
929: struct grid_cell *gc = &tty->cell;
930:
931: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
932: return;
933:
934: if (tty_term_has(tty->term, TTYC_RMACS) && gc->attr & GRID_ATTR_CHARSET)
935: tty_putcode(tty, TTYC_RMACS);
936: tty_putcode(tty, TTYC_SGR0);
937: memcpy(gc, &grid_default_cell, sizeof *gc);
938: }
939:
1.40 nicm 940: /* Set region inside pane. */
1.1 nicm 941: void
1.39 nicm 942: tty_region_pane(
943: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 944: {
1.39 nicm 945: struct window_pane *wp = ctx->wp;
946:
1.40 nicm 947: tty_region(tty, wp->yoff + rupper, wp->yoff + rlower);
1.39 nicm 948: }
949:
1.40 nicm 950: /* Set region at absolute position. */
1.39 nicm 951: void
1.40 nicm 952: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 953: {
954: if (tty->rlower == rlower && tty->rupper == rupper)
955: return;
1.1 nicm 956: if (!tty_term_has(tty->term, TTYC_CSR))
957: return;
1.39 nicm 958:
959: tty->rupper = rupper;
960: tty->rlower = rlower;
1.42 nicm 961:
1.39 nicm 962: tty->cx = 0;
963: tty->cy = 0;
964:
965: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.1 nicm 966: }
967:
1.42 nicm 968: /* Move cursor inside pane. */
1.1 nicm 969: void
1.41 nicm 970: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
971: {
972: struct window_pane *wp = ctx->wp;
973:
974: tty_cursor(tty, wp->xoff + cx, wp->yoff + cy);
975: }
976:
1.42 nicm 977: /* Move cursor to absolute position. */
1.41 nicm 978: void
979: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 980: {
1.42 nicm 981: struct tty_term *term = tty->term;
982: u_int thisx, thisy;
983: int change;
984:
985: if (cx > tty->sx - 1)
986: cx = tty->sx - 1;
987:
988: thisx = tty->cx;
989: thisy = tty->cy;
990:
991: /* No change. */
992: if (cx == thisx && cy == thisy)
993: return;
994:
1.43 nicm 995: /* Very end of the line, just use absolute movement. */
996: if (thisx > tty->sx - 1)
997: goto absolute;
998:
1.42 nicm 999: /* Move to home position (0, 0). */
1000: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1001: tty_putcode(tty, TTYC_HOME);
1002: goto out;
1003: }
1004:
1005: /* Zero on the next line. */
1006: if (cx == 0 && cy == thisy + 1) {
1.1 nicm 1007: tty_putc(tty, '\r');
1.42 nicm 1008: tty_putc(tty, '\n');
1009: goto out;
1010: }
1011:
1.45 nicm 1012: /* Moving column or row. */
1.42 nicm 1013: if (cy == thisy) {
1.45 nicm 1014: /*
1015: * Moving column only, row staying the same.
1016: */
1017:
1.42 nicm 1018: /* To left edge. */
1019: if (cx == 0) {
1020: tty_putc(tty, '\r');
1021: goto out;
1022: }
1023:
1024: /* One to the left. */
1025: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1026: tty_putcode(tty, TTYC_CUB1);
1027: goto out;
1028: }
1029:
1030: /* One to the right. */
1031: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1032: tty_putcode(tty, TTYC_CUF1);
1033: goto out;
1034: }
1035:
1036: /* Calculate difference. */
1037: change = thisx - cx; /* +ve left, -ve right */
1038:
1039: /*
1040: * Use HPA if change is larger than absolute, otherwise move
1041: * the cursor with CUB/CUF.
1042: */
1043: if (abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1044: tty_putcode1(tty, TTYC_HPA, cx);
1045: goto out;
1046: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1047: tty_putcode1(tty, TTYC_CUB, change);
1048: goto out;
1049: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1050: tty_putcode1(tty, TTYC_CUF, -change);
1051: goto out;
1052: }
1.45 nicm 1053: } else if (cx == thisx) {
1054: /*
1055: * Moving row only, column staying the same.
1056: */
1.42 nicm 1057:
1058: /* One above. */
1059: if (cy != tty->rupper &&
1060: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1061: tty_putcode(tty, TTYC_CUU1);
1062: goto out;
1063: }
1064:
1065: /* One below. */
1066: if (cy != tty->rlower &&
1067: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1068: tty_putcode(tty, TTYC_CUD1);
1069: goto out;
1070: }
1071:
1072: /* Calculate difference. */
1073: change = thisy - cy; /* +ve up, -ve down */
1074:
1075: /*
1.44 nicm 1076: * Try to use VPA if change is larger than absolute or if this change
1.42 nicm 1077: * would cross the scroll region, otherwise use CUU/CUD.
1078: */
1.44 nicm 1079: if (abs(change) > cy ||
1.42 nicm 1080: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1081: (change > 0 && cy - change < tty->rupper)) {
1082: if (tty_term_has(term, TTYC_VPA)) {
1083: tty_putcode1(tty, TTYC_VPA, cy);
1084: goto out;
1085: }
1.42 nicm 1086: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1087: tty_putcode1(tty, TTYC_CUU, change);
1088: goto out;
1089: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1090: tty_putcode1(tty, TTYC_CUD, -change);
1091: goto out;
1092: }
1093: }
1094:
1.43 nicm 1095: absolute:
1.42 nicm 1096: /* Absolute movement. */
1097: tty_putcode2(tty, TTYC_CUP, cy, cx);
1098:
1099: out:
1100: tty->cx = cx;
1101: tty->cy = cy;
1.1 nicm 1102: }
1103:
1104: void
1105: tty_attributes(struct tty *tty, const struct grid_cell *gc)
1106: {
1107: struct grid_cell *tc = &tty->cell;
1108: u_char changed;
1.18 nicm 1109: u_int fg, bg, attr;
1110:
1111: /*
1112: * If no setab, try to use the reverse attribute as a best-effort for a
1113: * non-default background. This is a bit of a hack but it doesn't do
1114: * any serious harm and makes a couple of applications happier.
1115: */
1116: fg = gc->fg; bg = gc->bg; attr = gc->attr;
1117: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1118: if (attr & GRID_ATTR_REVERSE) {
1119: if (fg != 7 && fg != 8)
1120: attr &= ~GRID_ATTR_REVERSE;
1121: } else {
1122: if (bg != 0 && bg != 8)
1123: attr |= GRID_ATTR_REVERSE;
1124: }
1125: }
1.1 nicm 1126:
1127: /* If any bits are being cleared, reset everything. */
1.18 nicm 1128: if (tc->attr & ~attr)
1.1 nicm 1129: tty_reset(tty);
1130:
1131: /* Filter out attribute bits already set. */
1.18 nicm 1132: changed = attr & ~tc->attr;
1133: tc->attr = attr;
1.1 nicm 1134:
1135: /* Set the attributes. */
1136: if (changed & GRID_ATTR_BRIGHT)
1137: tty_putcode(tty, TTYC_BOLD);
1138: if (changed & GRID_ATTR_DIM)
1139: tty_putcode(tty, TTYC_DIM);
1140: if (changed & GRID_ATTR_ITALICS)
1141: tty_putcode(tty, TTYC_SMSO);
1142: if (changed & GRID_ATTR_UNDERSCORE)
1143: tty_putcode(tty, TTYC_SMUL);
1144: if (changed & GRID_ATTR_BLINK)
1145: tty_putcode(tty, TTYC_BLINK);
1146: if (changed & GRID_ATTR_REVERSE) {
1147: if (tty_term_has(tty->term, TTYC_REV))
1148: tty_putcode(tty, TTYC_REV);
1149: else if (tty_term_has(tty->term, TTYC_SMSO))
1150: tty_putcode(tty, TTYC_SMSO);
1151: }
1152: if (changed & GRID_ATTR_HIDDEN)
1153: tty_putcode(tty, TTYC_INVIS);
1154: if (changed & GRID_ATTR_CHARSET)
1155: tty_putcode(tty, TTYC_SMACS);
1156:
1157: /* Set foreground colour. */
1158: if (fg != tc->fg ||
1159: (gc->flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256)) {
1160: tty_attributes_fg(tty, gc);
1161: tc->fg = fg;
1.8 nicm 1162: tc->flags &= ~GRID_FLAG_FG256;
1163: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1164: }
1165:
1166: /* Set background colour. */
1167: if (bg != tc->bg ||
1168: (gc->flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256)) {
1169: tty_attributes_bg(tty, gc);
1170: tc->bg = bg;
1.8 nicm 1171: tc->flags &= ~GRID_FLAG_BG256;
1172: tc->flags |= gc->flags & GRID_FLAG_BG256;
1.1 nicm 1173: }
1174: }
1175:
1176: int
1177: tty_try_256(struct tty *tty, u_char colour, const char *type)
1178: {
1179: char s[32];
1180:
1181: if (!(tty->term->flags & TERM_256COLOURS) &&
1182: !(tty->term_flags & TERM_256COLOURS))
1183: return (-1);
1184:
1185: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1186: tty_puts(tty, s);
1187: return (0);
1188: }
1189:
1190: int
1191: tty_try_88(struct tty *tty, u_char colour, const char *type)
1192: {
1193: char s[32];
1194:
1195: if (!(tty->term->flags & TERM_88COLOURS) &&
1196: !(tty->term_flags & TERM_88COLOURS))
1197: return (-1);
1198: colour = colour_256to88(colour);
1199:
1200: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1201: tty_puts(tty, s);
1202: return (0);
1203: }
1204:
1205: void
1206: tty_attributes_fg(struct tty *tty, const struct grid_cell *gc)
1207: {
1208: u_char fg;
1209:
1210: fg = gc->fg;
1211: if (gc->flags & GRID_FLAG_FG256) {
1212: if (tty_try_256(tty, fg, "38") == 0)
1213: return;
1214: if (tty_try_88(tty, fg, "38") == 0)
1215: return;
1216: fg = colour_256to16(fg);
1217: if (fg & 8) {
1218: fg &= 7;
1219: tty_putcode(tty, TTYC_BOLD);
1220: tty->cell.attr |= GRID_ATTR_BRIGHT;
1221: } else if (tty->cell.attr & GRID_ATTR_BRIGHT)
1222: tty_reset(tty);
1223: }
1224:
1225: if (fg == 8 &&
1226: !(tty->term->flags & TERM_HASDEFAULTS) &&
1227: !(tty->term_flags & TERM_HASDEFAULTS))
1228: fg = 7;
1229: if (fg == 8)
1230: tty_puts(tty, "\033[39m");
1231: else
1232: tty_putcode1(tty, TTYC_SETAF, fg);
1233: }
1234:
1235: void
1236: tty_attributes_bg(struct tty *tty, const struct grid_cell *gc)
1237: {
1238: u_char bg;
1239:
1240: bg = gc->bg;
1241: if (gc->flags & GRID_FLAG_BG256) {
1242: if (tty_try_256(tty, bg, "48") == 0)
1243: return;
1244: if (tty_try_88(tty, bg, "48") == 0)
1245: return;
1246: bg = colour_256to16(bg);
1247: if (bg & 8)
1248: bg &= 7;
1249: }
1250:
1251: if (bg == 8 &&
1252: !(tty->term->flags & TERM_HASDEFAULTS) &&
1253: !(tty->term_flags & TERM_HASDEFAULTS))
1254: bg = 0;
1255: if (bg == 8)
1256: tty_puts(tty, "\033[49m");
1257: else
1258: tty_putcode1(tty, TTYC_SETAB, bg);
1259: }
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