Annotation of src/usr.bin/tmux/tty.c, Revision 1.55
1.55 ! nicm 1: /* $OpenBSD: tty.c,v 1.54 2009/10/20 19:18:28 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: {
1.54 nicm 345: u_int i;
1.5 nicm 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:
1.54 nicm 355: tty->cx += gu->width;
1.5 nicm 356: }
357:
358: void
1.1 nicm 359: tty_set_title(struct tty *tty, const char *title)
360: {
361: if (strstr(tty->termname, "xterm") == NULL &&
362: strstr(tty->termname, "rxvt") == NULL &&
363: strcmp(tty->termname, "screen") != 0)
364: return;
365:
366: tty_puts(tty, "\033]0;");
367: tty_puts(tty, title);
368: tty_putc(tty, '\007');
369: }
370:
371: void
372: tty_update_mode(struct tty *tty, int mode)
373: {
374: int changed;
375:
376: if (tty->flags & TTY_NOCURSOR)
377: mode &= ~MODE_CURSOR;
378:
379: changed = mode ^ tty->mode;
380: if (changed & MODE_CURSOR) {
381: if (mode & MODE_CURSOR)
382: tty_putcode(tty, TTYC_CNORM);
383: else
384: tty_putcode(tty, TTYC_CIVIS);
385: }
386: if (changed & MODE_MOUSE) {
387: if (mode & MODE_MOUSE)
388: tty_puts(tty, "\033[?1000h");
389: else
390: tty_puts(tty, "\033[?1000l");
391: }
392: tty->mode = mode;
393: }
394:
395: void
396: tty_emulate_repeat(
397: struct tty *tty, enum tty_code_code code, enum tty_code_code code1, u_int n)
398: {
399: if (tty_term_has(tty->term, code))
400: tty_putcode1(tty, code, n);
401: else {
402: while (n-- > 0)
403: tty_putcode(tty, code1);
404: }
405: }
406:
407: /*
408: * Redraw scroll region using data from screen (already updated). Used when
409: * CSR not supported, or window is a pane that doesn't take up the full
410: * width of the terminal.
411: */
412: void
1.24 nicm 413: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 414: {
1.14 nicm 415: struct window_pane *wp = ctx->wp;
416: struct screen *s = wp->screen;
417: u_int i;
1.1 nicm 418:
419: /*
420: * If region is >= 50% of the screen, just schedule a window redraw. In
421: * most cases, this is likely to be followed by some more scrolling -
422: * without this, the entire pane ends up being redrawn many times which
423: * can be much more data.
424: */
1.14 nicm 425: if (ctx->orupper - ctx->orlower >= screen_size_y(s) / 2) {
1.1 nicm 426: wp->flags |= PANE_REDRAW;
427: return;
428: }
429:
1.14 nicm 430: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
431: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.1 nicm 432: tty_draw_line(tty, s, i, wp->xoff, wp->yoff);
433: } else {
1.14 nicm 434: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.1 nicm 435: tty_draw_line(tty, s, i, wp->xoff, wp->yoff);
436: }
437: }
438:
439: void
440: tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
441: {
442: const struct grid_cell *gc;
1.46 nicm 443: struct grid_line *gl;
1.16 nicm 444: struct grid_cell tmpgc;
1.1 nicm 445: const struct grid_utf8 *gu;
446: u_int i, sx;
447:
1.35 nicm 448: tty_update_mode(tty, tty->mode & ~MODE_CURSOR);
449:
1.1 nicm 450: sx = screen_size_x(s);
1.19 nicm 451: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
452: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 453: if (sx > tty->sx)
454: sx = tty->sx;
455:
1.46 nicm 456: /*
457: * Don't move the cursor to the start permission if it will wrap there
1.50 nicm 458: * itself.
1.46 nicm 459: */
460: gl = NULL;
461: if (py != 0)
462: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.47 nicm 463: if (oy + py == 0 || (gl != NULL && !(gl->flags & GRID_LINE_WRAPPED)) ||
464: tty->cx < tty->sx || ox != 0 ||
465: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 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: }
1.52 nicm 714:
715: /*
716: * If this line wrapped naturally (ctx->num is nonzero), don't do
717: * anything - the cursor can just be moved to the last cell and wrap
718: * naturally.
719: */
720: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
721: return;
1.1 nicm 722:
1.14 nicm 723: if (ctx->ocy == ctx->orlower) {
1.37 nicm 724: tty_reset(tty);
1.39 nicm 725:
726: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.41 nicm 727: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 728:
1.1 nicm 729: tty_putc(tty, '\n');
730: }
731: }
732:
733: void
1.24 nicm 734: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 735: {
1.12 nicm 736: struct window_pane *wp = ctx->wp;
737: struct screen *s = wp->screen;
738: u_int i, j;
1.1 nicm 739:
740: tty_reset(tty);
741:
1.39 nicm 742: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 743: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 744:
1.1 nicm 745: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
746: tty_term_has(tty->term, TTYC_EL)) {
747: tty_putcode(tty, TTYC_EL);
1.14 nicm 748: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 749: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 750: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 751: tty_putcode(tty, TTYC_EL);
752: if (i == screen_size_y(s) - 1)
753: continue;
754: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
755: tty->cy++;
756: }
757: }
758: } else {
1.14 nicm 759: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 760: tty_putc(tty, ' ');
1.14 nicm 761: for (j = ctx->ocy; j < screen_size_y(s); j++) {
1.41 nicm 762: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 763: for (i = 0; i < screen_size_x(s); i++)
764: tty_putc(tty, ' ');
765: }
766: }
767: }
768:
769: void
1.24 nicm 770: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 771: {
1.12 nicm 772: struct window_pane *wp = ctx->wp;
773: struct screen *s = wp->screen;
774: u_int i, j;
1.1 nicm 775:
776: tty_reset(tty);
777:
1.39 nicm 778: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 779: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 780:
1.1 nicm 781: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
782: tty_term_has(tty->term, TTYC_EL)) {
1.14 nicm 783: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 784: tty_putcode(tty, TTYC_EL);
785: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
786: tty->cy++;
787: }
788: } else {
1.14 nicm 789: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 790: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 791: for (i = 0; i < screen_size_x(s); i++)
792: tty_putc(tty, ' ');
793: }
794: }
1.14 nicm 795: for (i = 0; i <= ctx->ocx; i++)
1.1 nicm 796: tty_putc(tty, ' ');
797: }
798:
799: void
1.24 nicm 800: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 801: {
1.12 nicm 802: struct window_pane *wp = ctx->wp;
803: struct screen *s = wp->screen;
804: u_int i, j;
1.1 nicm 805:
806: tty_reset(tty);
807:
1.39 nicm 808: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 809: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 810:
1.1 nicm 811: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
812: tty_term_has(tty->term, TTYC_EL)) {
813: for (i = 0; i < screen_size_y(s); i++) {
814: tty_putcode(tty, TTYC_EL);
815: if (i != screen_size_y(s) - 1) {
816: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
817: tty->cy++;
818: }
819: }
820: } else {
821: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 822: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 823: for (i = 0; i < screen_size_x(s); i++)
824: tty_putc(tty, ' ');
825: }
1.4 nicm 826: }
827: }
828:
829: void
1.24 nicm 830: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 831: {
1.12 nicm 832: struct window_pane *wp = ctx->wp;
833: struct screen *s = wp->screen;
834: u_int i, j;
1.4 nicm 835:
836: tty_reset(tty);
837:
1.39 nicm 838: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 839:
840: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 841: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 842: for (i = 0; i < screen_size_x(s); i++)
843: tty_putc(tty, 'E');
1.1 nicm 844: }
845: }
846:
847: void
1.24 nicm 848: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 849: {
1.46 nicm 850: struct window_pane *wp = ctx->wp;
851: struct screen *s = wp->screen;
1.50 nicm 852: u_int cx;
1.46 nicm 853:
854: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
855:
856: /*
1.50 nicm 857: * Should the cursor be in the last cursor position ready for a natural
858: * wrap? If so - and it isn't - move to and rewrite the last cell.
1.46 nicm 859: */
1.51 nicm 860: if (!(tty->term->flags & TERM_EARLYWRAP) &&
861: ctx->ocx + wp->xoff > tty->sx - ctx->last_width) {
1.50 nicm 862: if (tty->cx < tty->sx) {
863: cx = screen_size_x(s) - ctx->last_width;
864: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
865: tty_cell(tty, &ctx->last_cell, &ctx->last_utf8);
866: }
867: } else
1.46 nicm 868: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 869:
1.12 nicm 870: tty_cell(tty, ctx->cell, ctx->utf8);
1.1 nicm 871: }
872:
873: void
1.24 nicm 874: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 875: {
1.53 nicm 876: struct window_pane *wp = ctx->wp;
1.1 nicm 877:
1.53 nicm 878: /*
879: * Cannot rely on not being a partial character, so just redraw the
880: * whole line.
881: */
882: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 883: }
884:
885: void
886: tty_cell(
887: struct tty *tty, const struct grid_cell *gc, const struct grid_utf8 *gu)
888: {
889: u_int i;
890:
891: /* Skip last character if terminal is stupid. */
892: if (tty->term->flags & TERM_EARLYWRAP &&
893: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
894: return;
895:
896: /* If this is a padding character, do nothing. */
897: if (gc->flags & GRID_FLAG_PADDING)
898: return;
899:
900: /* Set the attributes. */
901: tty_attributes(tty, gc);
902:
903: /* If not UTF-8, write directly. */
904: if (!(gc->flags & GRID_FLAG_UTF8)) {
905: if (gc->data < 0x20 || gc->data == 0x7f)
906: return;
907: tty_putc(tty, gc->data);
908: return;
909: }
910:
911: /* If the terminal doesn't support UTF-8, write underscores. */
912: if (!(tty->flags & TTY_UTF8)) {
913: for (i = 0; i < gu->width; i++)
914: tty_putc(tty, '_');
915: return;
916: }
917:
918: /* Otherwise, write UTF-8. */
1.5 nicm 919: tty_pututf8(tty, gu);
1.1 nicm 920: }
921:
922: void
923: tty_reset(struct tty *tty)
924: {
925: struct grid_cell *gc = &tty->cell;
926:
927: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
928: return;
929:
930: if (tty_term_has(tty->term, TTYC_RMACS) && gc->attr & GRID_ATTR_CHARSET)
931: tty_putcode(tty, TTYC_RMACS);
932: tty_putcode(tty, TTYC_SGR0);
933: memcpy(gc, &grid_default_cell, sizeof *gc);
934: }
935:
1.40 nicm 936: /* Set region inside pane. */
1.1 nicm 937: void
1.39 nicm 938: tty_region_pane(
939: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 940: {
1.39 nicm 941: struct window_pane *wp = ctx->wp;
942:
1.40 nicm 943: tty_region(tty, wp->yoff + rupper, wp->yoff + rlower);
1.39 nicm 944: }
945:
1.40 nicm 946: /* Set region at absolute position. */
1.39 nicm 947: void
1.40 nicm 948: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 949: {
950: if (tty->rlower == rlower && tty->rupper == rupper)
951: return;
1.1 nicm 952: if (!tty_term_has(tty->term, TTYC_CSR))
953: return;
1.39 nicm 954:
955: tty->rupper = rupper;
956: tty->rlower = rlower;
1.55 ! nicm 957:
! 958: /*
! 959: * Some terminals (such as PuTTY) do not correctly reset the cursor to
! 960: * 0,0 if it is beyond the last column (they do not reset their wrap
! 961: * flag so further output causes a line feed). As a workaround, do an
! 962: * explicit move to 0 first.
! 963: */
! 964: if (tty->cx >= tty->sx)
! 965: tty_cursor(tty, 0, tty->cy);
1.42 nicm 966:
1.39 nicm 967: tty->cx = 0;
968: tty->cy = 0;
969:
970: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.1 nicm 971: }
972:
1.42 nicm 973: /* Move cursor inside pane. */
1.1 nicm 974: void
1.41 nicm 975: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
976: {
977: struct window_pane *wp = ctx->wp;
978:
979: tty_cursor(tty, wp->xoff + cx, wp->yoff + cy);
980: }
981:
1.42 nicm 982: /* Move cursor to absolute position. */
1.41 nicm 983: void
984: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 985: {
1.42 nicm 986: struct tty_term *term = tty->term;
987: u_int thisx, thisy;
988: int change;
989:
990: if (cx > tty->sx - 1)
991: cx = tty->sx - 1;
992:
993: thisx = tty->cx;
994: thisy = tty->cy;
995:
996: /* No change. */
997: if (cx == thisx && cy == thisy)
998: return;
999:
1.43 nicm 1000: /* Very end of the line, just use absolute movement. */
1001: if (thisx > tty->sx - 1)
1002: goto absolute;
1003:
1.42 nicm 1004: /* Move to home position (0, 0). */
1005: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1006: tty_putcode(tty, TTYC_HOME);
1007: goto out;
1008: }
1009:
1010: /* Zero on the next line. */
1.48 nicm 1011: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1012: tty_putc(tty, '\r');
1.42 nicm 1013: tty_putc(tty, '\n');
1014: goto out;
1015: }
1016:
1.45 nicm 1017: /* Moving column or row. */
1.42 nicm 1018: if (cy == thisy) {
1.45 nicm 1019: /*
1020: * Moving column only, row staying the same.
1021: */
1022:
1.42 nicm 1023: /* To left edge. */
1024: if (cx == 0) {
1025: tty_putc(tty, '\r');
1026: goto out;
1027: }
1028:
1029: /* One to the left. */
1030: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1031: tty_putcode(tty, TTYC_CUB1);
1032: goto out;
1033: }
1034:
1035: /* One to the right. */
1036: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1037: tty_putcode(tty, TTYC_CUF1);
1038: goto out;
1039: }
1040:
1041: /* Calculate difference. */
1042: change = thisx - cx; /* +ve left, -ve right */
1043:
1044: /*
1045: * Use HPA if change is larger than absolute, otherwise move
1046: * the cursor with CUB/CUF.
1047: */
1048: if (abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1049: tty_putcode1(tty, TTYC_HPA, cx);
1050: goto out;
1051: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1052: tty_putcode1(tty, TTYC_CUB, change);
1053: goto out;
1054: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1055: tty_putcode1(tty, TTYC_CUF, -change);
1056: goto out;
1057: }
1.45 nicm 1058: } else if (cx == thisx) {
1059: /*
1060: * Moving row only, column staying the same.
1061: */
1.42 nicm 1062:
1063: /* One above. */
1.49 nicm 1064: if (thisy != tty->rupper &&
1.42 nicm 1065: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1066: tty_putcode(tty, TTYC_CUU1);
1067: goto out;
1068: }
1069:
1070: /* One below. */
1.49 nicm 1071: if (thisy != tty->rlower &&
1.42 nicm 1072: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1073: tty_putcode(tty, TTYC_CUD1);
1074: goto out;
1075: }
1076:
1077: /* Calculate difference. */
1078: change = thisy - cy; /* +ve up, -ve down */
1079:
1080: /*
1.44 nicm 1081: * Try to use VPA if change is larger than absolute or if this change
1.42 nicm 1082: * would cross the scroll region, otherwise use CUU/CUD.
1083: */
1.44 nicm 1084: if (abs(change) > cy ||
1.42 nicm 1085: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1086: (change > 0 && cy - change < tty->rupper)) {
1087: if (tty_term_has(term, TTYC_VPA)) {
1088: tty_putcode1(tty, TTYC_VPA, cy);
1089: goto out;
1090: }
1.42 nicm 1091: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1092: tty_putcode1(tty, TTYC_CUU, change);
1093: goto out;
1094: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1095: tty_putcode1(tty, TTYC_CUD, -change);
1096: goto out;
1097: }
1098: }
1099:
1.43 nicm 1100: absolute:
1.42 nicm 1101: /* Absolute movement. */
1102: tty_putcode2(tty, TTYC_CUP, cy, cx);
1103:
1104: out:
1105: tty->cx = cx;
1106: tty->cy = cy;
1.1 nicm 1107: }
1108:
1109: void
1110: tty_attributes(struct tty *tty, const struct grid_cell *gc)
1111: {
1112: struct grid_cell *tc = &tty->cell;
1113: u_char changed;
1.18 nicm 1114: u_int fg, bg, attr;
1115:
1116: /*
1117: * If no setab, try to use the reverse attribute as a best-effort for a
1118: * non-default background. This is a bit of a hack but it doesn't do
1119: * any serious harm and makes a couple of applications happier.
1120: */
1121: fg = gc->fg; bg = gc->bg; attr = gc->attr;
1122: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1123: if (attr & GRID_ATTR_REVERSE) {
1124: if (fg != 7 && fg != 8)
1125: attr &= ~GRID_ATTR_REVERSE;
1126: } else {
1127: if (bg != 0 && bg != 8)
1128: attr |= GRID_ATTR_REVERSE;
1129: }
1130: }
1.1 nicm 1131:
1132: /* If any bits are being cleared, reset everything. */
1.18 nicm 1133: if (tc->attr & ~attr)
1.1 nicm 1134: tty_reset(tty);
1135:
1136: /* Filter out attribute bits already set. */
1.18 nicm 1137: changed = attr & ~tc->attr;
1138: tc->attr = attr;
1.1 nicm 1139:
1140: /* Set the attributes. */
1141: if (changed & GRID_ATTR_BRIGHT)
1142: tty_putcode(tty, TTYC_BOLD);
1143: if (changed & GRID_ATTR_DIM)
1144: tty_putcode(tty, TTYC_DIM);
1145: if (changed & GRID_ATTR_ITALICS)
1146: tty_putcode(tty, TTYC_SMSO);
1147: if (changed & GRID_ATTR_UNDERSCORE)
1148: tty_putcode(tty, TTYC_SMUL);
1149: if (changed & GRID_ATTR_BLINK)
1150: tty_putcode(tty, TTYC_BLINK);
1151: if (changed & GRID_ATTR_REVERSE) {
1152: if (tty_term_has(tty->term, TTYC_REV))
1153: tty_putcode(tty, TTYC_REV);
1154: else if (tty_term_has(tty->term, TTYC_SMSO))
1155: tty_putcode(tty, TTYC_SMSO);
1156: }
1157: if (changed & GRID_ATTR_HIDDEN)
1158: tty_putcode(tty, TTYC_INVIS);
1159: if (changed & GRID_ATTR_CHARSET)
1160: tty_putcode(tty, TTYC_SMACS);
1161:
1162: /* Set foreground colour. */
1163: if (fg != tc->fg ||
1164: (gc->flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256)) {
1165: tty_attributes_fg(tty, gc);
1166: tc->fg = fg;
1.8 nicm 1167: tc->flags &= ~GRID_FLAG_FG256;
1168: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1169: }
1170:
1171: /* Set background colour. */
1172: if (bg != tc->bg ||
1173: (gc->flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256)) {
1174: tty_attributes_bg(tty, gc);
1175: tc->bg = bg;
1.8 nicm 1176: tc->flags &= ~GRID_FLAG_BG256;
1177: tc->flags |= gc->flags & GRID_FLAG_BG256;
1.1 nicm 1178: }
1179: }
1180:
1181: int
1182: tty_try_256(struct tty *tty, u_char colour, const char *type)
1183: {
1184: char s[32];
1185:
1186: if (!(tty->term->flags & TERM_256COLOURS) &&
1187: !(tty->term_flags & TERM_256COLOURS))
1188: return (-1);
1189:
1190: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1191: tty_puts(tty, s);
1192: return (0);
1193: }
1194:
1195: int
1196: tty_try_88(struct tty *tty, u_char colour, const char *type)
1197: {
1198: char s[32];
1199:
1200: if (!(tty->term->flags & TERM_88COLOURS) &&
1201: !(tty->term_flags & TERM_88COLOURS))
1202: return (-1);
1203: colour = colour_256to88(colour);
1204:
1205: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1206: tty_puts(tty, s);
1207: return (0);
1208: }
1209:
1210: void
1211: tty_attributes_fg(struct tty *tty, const struct grid_cell *gc)
1212: {
1213: u_char fg;
1214:
1215: fg = gc->fg;
1216: if (gc->flags & GRID_FLAG_FG256) {
1217: if (tty_try_256(tty, fg, "38") == 0)
1218: return;
1219: if (tty_try_88(tty, fg, "38") == 0)
1220: return;
1221: fg = colour_256to16(fg);
1222: if (fg & 8) {
1223: fg &= 7;
1224: tty_putcode(tty, TTYC_BOLD);
1225: tty->cell.attr |= GRID_ATTR_BRIGHT;
1226: } else if (tty->cell.attr & GRID_ATTR_BRIGHT)
1227: tty_reset(tty);
1228: }
1229:
1230: if (fg == 8 &&
1231: !(tty->term->flags & TERM_HASDEFAULTS) &&
1232: !(tty->term_flags & TERM_HASDEFAULTS))
1233: fg = 7;
1234: if (fg == 8)
1235: tty_puts(tty, "\033[39m");
1236: else
1237: tty_putcode1(tty, TTYC_SETAF, fg);
1238: }
1239:
1240: void
1241: tty_attributes_bg(struct tty *tty, const struct grid_cell *gc)
1242: {
1243: u_char bg;
1244:
1245: bg = gc->bg;
1246: if (gc->flags & GRID_FLAG_BG256) {
1247: if (tty_try_256(tty, bg, "48") == 0)
1248: return;
1249: if (tty_try_88(tty, bg, "48") == 0)
1250: return;
1251: bg = colour_256to16(bg);
1252: if (bg & 8)
1253: bg &= 7;
1254: }
1255:
1256: if (bg == 8 &&
1257: !(tty->term->flags & TERM_HASDEFAULTS) &&
1258: !(tty->term_flags & TERM_HASDEFAULTS))
1259: bg = 0;
1260: if (bg == 8)
1261: tty_puts(tty, "\033[49m");
1262: else
1263: tty_putcode1(tty, TTYC_SETAB, bg);
1264: }