Annotation of src/usr.bin/tmux/tty.c, Revision 1.40
1.40 ! nicm 1: /* $OpenBSD: tty.c,v 1.39 2009/10/12 09:09:35 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>
24: #include <string.h>
25: #include <termios.h>
26: #include <unistd.h>
27:
28: #include "tmux.h"
29:
30: void tty_fill_acs(struct tty *);
31:
32: int tty_try_256(struct tty *, u_char, const char *);
33: int tty_try_88(struct tty *, u_char, const char *);
34:
35: void tty_attributes_fg(struct tty *, const struct grid_cell *);
36: void tty_attributes_bg(struct tty *, const struct grid_cell *);
37:
1.24 nicm 38: void tty_redraw_region(struct tty *, const struct tty_ctx *);
1.13 nicm 39: void tty_emulate_repeat(
40: struct tty *, enum tty_code_code, enum tty_code_code, u_int);
1.14 nicm 41: void tty_cell(struct tty *,
42: const struct grid_cell *, const struct grid_utf8 *);
1.1 nicm 43:
44: void
1.30 nicm 45: tty_init(struct tty *tty, int fd, char *term)
1.1 nicm 46: {
1.30 nicm 47: char *path;
48:
49: memset(tty, 0, sizeof *tty);
1.23 nicm 50: tty->log_fd = -1;
1.22 nicm 51:
1.9 nicm 52: if (term == NULL || *term == '\0')
1.1 nicm 53: tty->termname = xstrdup("unknown");
54: else
55: tty->termname = xstrdup(term);
1.30 nicm 56:
57: if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
58: fatal("fcntl failed");
59: tty->fd = fd;
60:
61: if ((path = ttyname(fd)) == NULL)
62: fatalx("ttyname failed");
63: tty->path = xstrdup(path);
64:
1.1 nicm 65: tty->flags = 0;
66: tty->term_flags = 0;
1.31 nicm 67: }
68:
69: void
70: tty_resize(struct tty *tty)
71: {
72: struct winsize ws;
73:
74: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
75: tty->sx = ws.ws_col;
76: tty->sy = ws.ws_row;
77: }
78: if (tty->sx == 0)
79: tty->sx = 80;
80: if (tty->sy == 0)
81: tty->sy = 24;
82:
83: tty->cx = UINT_MAX;
84: tty->cy = UINT_MAX;
85:
86: tty->rupper = UINT_MAX;
87: tty->rlower = UINT_MAX;
1.1 nicm 88: }
89:
90: int
1.17 nicm 91: tty_open(struct tty *tty, const char *overrides, char **cause)
1.1 nicm 92: {
1.30 nicm 93: int fd;
1.1 nicm 94:
1.30 nicm 95: if (debug_level > 3) {
96: fd = open("tmux.out", O_WRONLY|O_CREAT|O_TRUNC, 0644);
97: if (fd != -1 && fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
98: fatal("fcntl failed");
99: tty->log_fd = fd;
1.1 nicm 100: }
101:
1.17 nicm 102: tty->term = tty_term_find(tty->termname, tty->fd, overrides, cause);
1.21 nicm 103: if (tty->term == NULL) {
104: tty_close(tty);
105: return (-1);
106: }
107: tty->flags |= TTY_OPENED;
1.1 nicm 108:
109: tty->in = buffer_create(BUFSIZ);
110: tty->out = buffer_create(BUFSIZ);
111:
1.29 nicm 112: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_ESCAPE);
1.1 nicm 113:
114: tty_start_tty(tty);
115:
116: tty_keys_init(tty);
117:
118: tty_fill_acs(tty);
119:
120: return (0);
121: }
122:
123: void
124: tty_start_tty(struct tty *tty)
125: {
126: struct termios tio;
1.34 nicm 127: int what, mode;
1.33 nicm 128:
129: if (tty->fd == -1)
130: return;
1.1 nicm 131:
1.34 nicm 132: if ((mode = fcntl(tty->fd, F_GETFL)) == -1)
133: fatal("fcntl failed");
134: if (fcntl(tty->fd, F_SETFL, mode|O_NONBLOCK) == -1)
135: fatal("fcntl failed");
136:
1.1 nicm 137: if (tcgetattr(tty->fd, &tty->tio) != 0)
138: fatal("tcgetattr failed");
139: memcpy(&tio, &tty->tio, sizeof tio);
140: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
141: tio.c_iflag |= IGNBRK;
142: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
143: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
144: ECHOPRT|ECHOKE|ECHOCTL|ISIG);
145: tio.c_cc[VMIN] = 1;
146: tio.c_cc[VTIME] = 0;
147: if (tcsetattr(tty->fd, TCSANOW, &tio) != 0)
148: fatal("tcsetattr failed");
149:
150: what = 0;
151: if (ioctl(tty->fd, TIOCFLUSH, &what) != 0)
152: fatal("ioctl(TIOCFLUSH)");
153:
1.10 nicm 154: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 155:
1.25 nicm 156: tty_putcode(tty, TTYC_SGR0);
157: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
158:
1.1 nicm 159: tty_putcode(tty, TTYC_SMKX);
160: tty_putcode(tty, TTYC_ENACS);
161: tty_putcode(tty, TTYC_CLEAR);
162:
163: tty_putcode(tty, TTYC_CNORM);
164: if (tty_term_has(tty->term, TTYC_KMOUS))
165: tty_puts(tty, "\033[?1000l");
166:
167: tty->cx = UINT_MAX;
168: tty->cy = UINT_MAX;
169:
170: tty->rlower = UINT_MAX;
171: tty->rupper = UINT_MAX;
172:
173: tty->mode = MODE_CURSOR;
1.20 nicm 174:
175: tty->flags |= TTY_STARTED;
1.1 nicm 176: }
177:
178: void
179: tty_stop_tty(struct tty *tty)
180: {
181: struct winsize ws;
1.34 nicm 182: int mode;
1.1 nicm 183:
1.20 nicm 184: if (!(tty->flags & TTY_STARTED))
185: return;
186: tty->flags &= ~TTY_STARTED;
187:
1.1 nicm 188: /*
189: * Be flexible about error handling and try not kill the server just
190: * because the fd is invalid. Things like ssh -t can easily leave us
191: * with a dead tty.
192: */
1.34 nicm 193: if ((mode = fcntl(tty->fd, F_GETFL)) == -1)
194: return;
195: if (fcntl(tty->fd, F_SETFL, mode & ~O_NONBLOCK) == -1)
196: return;
1.1 nicm 197: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
198: return;
199: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
200: return;
201:
202: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
203: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
204: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
205: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
206: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
207:
208: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
209: if (tty_term_has(tty->term, TTYC_KMOUS))
210: tty_raw(tty, "\033[?1000l");
1.10 nicm 211:
212: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.1 nicm 213: }
214:
215: void
216: tty_fill_acs(struct tty *tty)
217: {
218: const char *ptr;
219:
220: memset(tty->acs, 0, sizeof tty->acs);
221: if (!tty_term_has(tty->term, TTYC_ACSC))
222: return;
223:
224: ptr = tty_term_string(tty->term, TTYC_ACSC);
225: if (strlen(ptr) % 2 != 0)
226: return;
227: for (; *ptr != '\0'; ptr += 2)
228: tty->acs[(u_char) ptr[0]] = ptr[1];
229: }
230:
231: u_char
232: tty_get_acs(struct tty *tty, u_char ch)
233: {
234: if (tty->acs[ch] != '\0')
235: return (tty->acs[ch]);
236: return (ch);
237: }
238:
239: void
1.20 nicm 240: tty_close(struct tty *tty)
1.1 nicm 241: {
242: if (tty->log_fd != -1) {
243: close(tty->log_fd);
244: tty->log_fd = -1;
245: }
246:
1.20 nicm 247: tty_stop_tty(tty);
1.1 nicm 248:
1.21 nicm 249: if (tty->flags & TTY_OPENED) {
250: tty_term_free(tty->term);
251: tty_keys_free(tty);
252:
253: buffer_destroy(tty->in);
254: buffer_destroy(tty->out);
1.1 nicm 255:
1.21 nicm 256: tty->flags &= ~TTY_OPENED;
257: }
1.1 nicm 258:
1.21 nicm 259: if (tty->fd != -1) {
260: close(tty->fd);
261: tty->fd = -1;
262: }
1.1 nicm 263: }
264:
265: void
1.20 nicm 266: tty_free(struct tty *tty)
1.1 nicm 267: {
1.20 nicm 268: tty_close(tty);
1.1 nicm 269:
270: if (tty->path != NULL)
271: xfree(tty->path);
272: if (tty->termname != NULL)
273: xfree(tty->termname);
274: }
275:
276: void
277: tty_raw(struct tty *tty, const char *s)
278: {
279: write(tty->fd, s, strlen(s));
280: }
281:
282: void
283: tty_putcode(struct tty *tty, enum tty_code_code code)
284: {
285: tty_puts(tty, tty_term_string(tty->term, code));
286: }
287:
288: void
289: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
290: {
291: if (a < 0)
292: return;
293: tty_puts(tty, tty_term_string1(tty->term, code, a));
294: }
295:
296: void
297: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
298: {
299: if (a < 0 || b < 0)
300: return;
301: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
302: }
303:
304: void
305: tty_puts(struct tty *tty, const char *s)
306: {
307: if (*s == '\0')
308: return;
309: buffer_write(tty->out, s, strlen(s));
310:
311: if (tty->log_fd != -1)
312: write(tty->log_fd, s, strlen(s));
313: }
314:
315: void
316: tty_putc(struct tty *tty, u_char ch)
317: {
318: u_int sx;
319:
320: if (tty->cell.attr & GRID_ATTR_CHARSET)
321: ch = tty_get_acs(tty, ch);
322: buffer_write8(tty->out, ch);
323:
324: if (ch >= 0x20 && ch != 0x7f) {
325: sx = tty->sx;
326: if (tty->term->flags & TERM_EARLYWRAP)
327: sx--;
328:
329: if (tty->cx == sx) {
330: tty->cx = 0;
331: tty->cy++;
332: } else
333: tty->cx++;
334: }
335:
336: if (tty->log_fd != -1)
337: write(tty->log_fd, &ch, 1);
338: }
339:
340: void
1.5 nicm 341: tty_pututf8(struct tty *tty, const struct grid_utf8 *gu)
342: {
343: u_int i, width;
344:
345: for (i = 0; i < UTF8_SIZE; i++) {
346: if (gu->data[i] == 0xff)
347: break;
348: buffer_write8(tty->out, gu->data[i]);
349: if (tty->log_fd != -1)
350: write(tty->log_fd, &gu->data[i], 1);
351: }
352:
353: width = utf8_width(gu->data);
354: tty->cx += width;
355: }
356:
357: void
1.1 nicm 358: tty_set_title(struct tty *tty, const char *title)
359: {
360: if (strstr(tty->termname, "xterm") == NULL &&
361: strstr(tty->termname, "rxvt") == NULL &&
362: strcmp(tty->termname, "screen") != 0)
363: return;
364:
365: tty_puts(tty, "\033]0;");
366: tty_puts(tty, title);
367: tty_putc(tty, '\007');
368: }
369:
370: void
371: tty_update_mode(struct tty *tty, int mode)
372: {
373: int changed;
374:
375: if (tty->flags & TTY_NOCURSOR)
376: mode &= ~MODE_CURSOR;
377:
378: changed = mode ^ tty->mode;
379: if (changed & MODE_CURSOR) {
380: if (mode & MODE_CURSOR)
381: tty_putcode(tty, TTYC_CNORM);
382: else
383: tty_putcode(tty, TTYC_CIVIS);
384: }
385: if (changed & MODE_MOUSE) {
386: if (mode & MODE_MOUSE)
387: tty_puts(tty, "\033[?1000h");
388: else
389: tty_puts(tty, "\033[?1000l");
390: }
391: tty->mode = mode;
392: }
393:
394: void
395: tty_emulate_repeat(
396: struct tty *tty, enum tty_code_code code, enum tty_code_code code1, u_int n)
397: {
398: if (tty_term_has(tty->term, code))
399: tty_putcode1(tty, code, n);
400: else {
401: while (n-- > 0)
402: tty_putcode(tty, code1);
403: }
404: }
405:
406: /*
407: * Redraw scroll region using data from screen (already updated). Used when
408: * CSR not supported, or window is a pane that doesn't take up the full
409: * width of the terminal.
410: */
411: void
1.24 nicm 412: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 413: {
1.14 nicm 414: struct window_pane *wp = ctx->wp;
415: struct screen *s = wp->screen;
416: u_int i;
1.1 nicm 417:
418: /*
419: * If region is >= 50% of the screen, just schedule a window redraw. In
420: * most cases, this is likely to be followed by some more scrolling -
421: * without this, the entire pane ends up being redrawn many times which
422: * can be much more data.
423: */
1.14 nicm 424: if (ctx->orupper - ctx->orlower >= screen_size_y(s) / 2) {
1.1 nicm 425: wp->flags |= PANE_REDRAW;
426: return;
427: }
428:
1.14 nicm 429: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
430: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.1 nicm 431: tty_draw_line(tty, s, i, wp->xoff, wp->yoff);
432: } else {
1.14 nicm 433: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.1 nicm 434: tty_draw_line(tty, s, i, wp->xoff, wp->yoff);
435: }
436: }
437:
438: void
439: tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
440: {
441: const struct grid_cell *gc;
1.16 nicm 442: struct grid_cell tmpgc;
1.1 nicm 443: const struct grid_utf8 *gu;
444: u_int i, sx;
445:
1.35 nicm 446: tty_update_mode(tty, tty->mode & ~MODE_CURSOR);
447:
1.1 nicm 448: sx = screen_size_x(s);
1.19 nicm 449: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
450: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 451: if (sx > tty->sx)
452: sx = tty->sx;
453:
454: tty_cursor(tty, 0, py, ox, oy);
455: for (i = 0; i < sx; i++) {
456: gc = grid_view_peek_cell(s->grid, i, py);
457:
458: gu = NULL;
459: if (gc->flags & GRID_FLAG_UTF8)
460: gu = grid_view_peek_utf8(s->grid, i, py);
461:
462: if (screen_check_selection(s, i, py)) {
1.16 nicm 463: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
464: tmpgc.data = gc->data;
1.38 nicm 465: tmpgc.flags = gc->flags &
466: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
467: tmpgc.flags |= s->sel.cell.flags &
468: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.16 nicm 469: tty_cell(tty, &tmpgc, gu);
1.1 nicm 470: } else
471: tty_cell(tty, gc, gu);
472: }
473:
1.35 nicm 474: if (sx >= tty->sx) {
475: tty_update_mode(tty, tty->mode);
1.1 nicm 476: return;
1.35 nicm 477: }
1.1 nicm 478: tty_reset(tty);
479:
480: tty_cursor(tty, sx, py, ox, oy);
481: if (screen_size_x(s) >= tty->sx && tty_term_has(tty->term, TTYC_EL))
482: tty_putcode(tty, TTYC_EL);
483: else {
484: for (i = sx; i < screen_size_x(s); i++)
485: tty_putc(tty, ' ');
1.15 nicm 486: }
1.35 nicm 487: tty_update_mode(tty, tty->mode);
1.15 nicm 488: }
489:
490: void
1.24 nicm 491: tty_write(void (*cmdfn)(
492: struct tty *, const struct tty_ctx *), const struct tty_ctx *ctx)
1.15 nicm 493: {
494: struct window_pane *wp = ctx->wp;
495: struct client *c;
496: u_int i;
497:
498: if (wp == NULL)
499: return;
500:
501: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
502: return;
503: if (wp->window->flags & WINDOW_HIDDEN || !window_pane_visible(wp))
504: return;
505:
506: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
507: c = ARRAY_ITEM(&clients, i);
508: if (c == NULL || c->session == NULL)
509: continue;
510: if (c->flags & CLIENT_SUSPENDED)
511: continue;
512:
513: if (c->session->curw->window == wp->window) {
514: if (c->tty.flags & TTY_FREEZE || c->tty.term == NULL)
515: continue;
516: cmdfn(&c->tty, ctx);
517: }
1.1 nicm 518: }
519: }
520:
521: void
1.24 nicm 522: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 523: {
1.12 nicm 524: struct window_pane *wp = ctx->wp;
525: struct screen *s = wp->screen;
1.24 nicm 526: u_int i;
1.1 nicm 527:
528: if (wp->xoff != 0 || screen_size_x(s) < tty->sx) {
1.14 nicm 529: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 530: return;
531: }
532:
533: tty_reset(tty);
534:
1.14 nicm 535: tty_cursor(tty, ctx->ocx, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 536: if (tty_term_has(tty->term, TTYC_ICH) ||
537: tty_term_has(tty->term, TTYC_ICH1))
1.12 nicm 538: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 539: else {
540: tty_putcode(tty, TTYC_SMIR);
1.24 nicm 541: for (i = 0; i < ctx->num; i++)
1.1 nicm 542: tty_putc(tty, ' ');
543: tty_putcode(tty, TTYC_RMIR);
544: }
545: }
546:
547: void
1.24 nicm 548: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 549: {
1.12 nicm 550: struct window_pane *wp = ctx->wp;
551: struct screen *s = wp->screen;
1.1 nicm 552:
1.26 nicm 553: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
554: (!tty_term_has(tty->term, TTYC_DCH) &&
555: !tty_term_has(tty->term, TTYC_DCH1))) {
1.14 nicm 556: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 557: return;
558: }
559:
560: tty_reset(tty);
561:
1.14 nicm 562: tty_cursor(tty, ctx->ocx, ctx->ocy, wp->xoff, wp->yoff);
1.26 nicm 563: if (tty_term_has(tty->term, TTYC_DCH) ||
564: tty_term_has(tty->term, TTYC_DCH1))
565: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.1 nicm 566: }
567:
568: void
1.24 nicm 569: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 570: {
1.12 nicm 571: struct window_pane *wp = ctx->wp;
572: struct screen *s = wp->screen;
1.1 nicm 573:
574: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
575: !tty_term_has(tty->term, TTYC_CSR)) {
1.14 nicm 576: tty_redraw_region(tty, ctx);
1.1 nicm 577: return;
578: }
579:
580: tty_reset(tty);
581:
1.39 nicm 582: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.1 nicm 583:
1.14 nicm 584: tty_cursor(tty, ctx->ocx, ctx->ocy, wp->xoff, wp->yoff);
1.12 nicm 585: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 586: }
587:
588: void
1.24 nicm 589: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 590: {
1.12 nicm 591: struct window_pane *wp = ctx->wp;
592: struct screen *s = wp->screen;
1.1 nicm 593:
594: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
595: !tty_term_has(tty->term, TTYC_CSR)) {
1.14 nicm 596: tty_redraw_region(tty, ctx);
1.1 nicm 597: return;
598: }
599:
600: tty_reset(tty);
601:
1.39 nicm 602: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.1 nicm 603:
1.14 nicm 604: tty_cursor(tty, ctx->ocx, ctx->ocy, wp->xoff, wp->yoff);
1.12 nicm 605: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 606: }
607:
608: void
1.24 nicm 609: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 610: {
1.12 nicm 611: struct window_pane *wp = ctx->wp;
612: struct screen *s = wp->screen;
613: u_int i;
1.1 nicm 614:
615: tty_reset(tty);
616:
1.14 nicm 617: tty_cursor(tty, 0, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 618: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
619: tty_term_has(tty->term, TTYC_EL)) {
620: tty_putcode(tty, TTYC_EL);
621: } else {
622: for (i = 0; i < screen_size_x(s); i++)
623: tty_putc(tty, ' ');
624: }
625: }
626:
627: void
1.24 nicm 628: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 629: {
1.12 nicm 630: struct window_pane *wp = ctx->wp;
631: struct screen *s = wp->screen;
632: u_int i;
1.1 nicm 633:
634: tty_reset(tty);
635:
1.14 nicm 636: tty_cursor(tty, ctx->ocx, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 637: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
638: tty_term_has(tty->term, TTYC_EL))
639: tty_putcode(tty, TTYC_EL);
640: else {
1.14 nicm 641: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 642: tty_putc(tty, ' ');
643: }
644: }
645:
646: void
1.24 nicm 647: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 648: {
1.12 nicm 649: struct window_pane *wp = ctx->wp;
650: u_int i;
1.1 nicm 651:
652: tty_reset(tty);
653:
654: if (wp->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1.14 nicm 655: tty_cursor(tty, ctx->ocx, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 656: tty_putcode(tty, TTYC_EL1);
657: } else {
1.14 nicm 658: tty_cursor(tty, 0, ctx->ocy, wp->xoff, wp->yoff);
659: for (i = 0; i < ctx->ocx + 1; i++)
1.1 nicm 660: tty_putc(tty, ' ');
661: }
662: }
663:
664: void
1.24 nicm 665: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 666: {
1.12 nicm 667: struct window_pane *wp = ctx->wp;
668: struct screen *s = wp->screen;
1.1 nicm 669:
670: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
671: !tty_term_has(tty->term, TTYC_CSR)) {
1.14 nicm 672: tty_redraw_region(tty, ctx);
1.1 nicm 673: return;
674: }
675:
1.14 nicm 676: if (ctx->ocy == ctx->orupper) {
1.38 nicm 677: tty_reset(tty);
1.39 nicm 678:
679: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.14 nicm 680: tty_cursor(tty, ctx->ocx, ctx->orupper, wp->xoff, wp->yoff);
1.39 nicm 681:
1.1 nicm 682: tty_putcode(tty, TTYC_RI);
683: }
684: }
685:
686: void
1.24 nicm 687: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 688: {
1.12 nicm 689: struct window_pane *wp = ctx->wp;
690: struct screen *s = wp->screen;
1.1 nicm 691:
692: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
693: !tty_term_has(tty->term, TTYC_CSR)) {
1.14 nicm 694: tty_redraw_region(tty, ctx);
1.1 nicm 695: return;
696: }
697:
1.14 nicm 698: if (ctx->ocy == ctx->orlower) {
1.37 nicm 699: tty_reset(tty);
1.39 nicm 700:
701: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.14 nicm 702: tty_cursor(tty, ctx->ocx, ctx->ocy, wp->xoff, wp->yoff);
1.39 nicm 703:
1.1 nicm 704: tty_putc(tty, '\n');
705: }
706: }
707:
708: void
1.24 nicm 709: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 710: {
1.12 nicm 711: struct window_pane *wp = ctx->wp;
712: struct screen *s = wp->screen;
713: u_int i, j;
1.1 nicm 714:
715: tty_reset(tty);
716:
1.39 nicm 717: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.14 nicm 718: tty_cursor(tty, ctx->ocx, ctx->ocy, wp->xoff, wp->yoff);
1.39 nicm 719:
1.1 nicm 720: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
721: tty_term_has(tty->term, TTYC_EL)) {
722: tty_putcode(tty, TTYC_EL);
1.14 nicm 723: if (ctx->ocy != screen_size_y(s) - 1) {
724: tty_cursor(tty, 0, ctx->ocy + 1, wp->xoff, wp->yoff);
725: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 726: tty_putcode(tty, TTYC_EL);
727: if (i == screen_size_y(s) - 1)
728: continue;
729: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
730: tty->cy++;
731: }
732: }
733: } else {
1.14 nicm 734: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 735: tty_putc(tty, ' ');
1.14 nicm 736: for (j = ctx->ocy; j < screen_size_y(s); j++) {
1.1 nicm 737: tty_cursor(tty, 0, j, wp->xoff, wp->yoff);
738: for (i = 0; i < screen_size_x(s); i++)
739: tty_putc(tty, ' ');
740: }
741: }
742: }
743:
744: void
1.24 nicm 745: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 746: {
1.12 nicm 747: struct window_pane *wp = ctx->wp;
748: struct screen *s = wp->screen;
749: u_int i, j;
1.1 nicm 750:
751: tty_reset(tty);
752:
1.39 nicm 753: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.1 nicm 754: tty_cursor(tty, 0, 0, wp->xoff, wp->yoff);
1.39 nicm 755:
1.1 nicm 756: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
757: tty_term_has(tty->term, TTYC_EL)) {
1.14 nicm 758: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 759: tty_putcode(tty, TTYC_EL);
760: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
761: tty->cy++;
762: }
763: } else {
1.14 nicm 764: for (j = 0; j < ctx->ocy; j++) {
1.1 nicm 765: tty_cursor(tty, 0, j, wp->xoff, wp->yoff);
766: for (i = 0; i < screen_size_x(s); i++)
767: tty_putc(tty, ' ');
768: }
769: }
1.14 nicm 770: for (i = 0; i <= ctx->ocx; i++)
1.1 nicm 771: tty_putc(tty, ' ');
772: }
773:
774: void
1.24 nicm 775: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 776: {
1.12 nicm 777: struct window_pane *wp = ctx->wp;
778: struct screen *s = wp->screen;
779: u_int i, j;
1.1 nicm 780:
781: tty_reset(tty);
782:
1.39 nicm 783: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.1 nicm 784: tty_cursor(tty, 0, 0, wp->xoff, wp->yoff);
1.39 nicm 785:
1.1 nicm 786: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
787: tty_term_has(tty->term, TTYC_EL)) {
788: for (i = 0; i < screen_size_y(s); i++) {
789: tty_putcode(tty, TTYC_EL);
790: if (i != screen_size_y(s) - 1) {
791: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
792: tty->cy++;
793: }
794: }
795: } else {
796: for (j = 0; j < screen_size_y(s); j++) {
797: tty_cursor(tty, 0, j, wp->xoff, wp->yoff);
798: for (i = 0; i < screen_size_x(s); i++)
799: tty_putc(tty, ' ');
800: }
1.4 nicm 801: }
802: }
803:
804: void
1.24 nicm 805: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 806: {
1.12 nicm 807: struct window_pane *wp = ctx->wp;
808: struct screen *s = wp->screen;
809: u_int i, j;
1.4 nicm 810:
811: tty_reset(tty);
812:
1.39 nicm 813: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 814:
815: for (j = 0; j < screen_size_y(s); j++) {
816: tty_cursor(tty, 0, j, wp->xoff, wp->yoff);
817: for (i = 0; i < screen_size_x(s); i++)
818: tty_putc(tty, 'E');
1.1 nicm 819: }
820: }
821:
822: void
1.24 nicm 823: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 824: {
1.12 nicm 825: struct window_pane *wp = ctx->wp;
1.1 nicm 826:
1.14 nicm 827: tty_cursor(tty, ctx->ocx, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 828:
1.12 nicm 829: tty_cell(tty, ctx->cell, ctx->utf8);
1.1 nicm 830: }
831:
832: void
1.24 nicm 833: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 834: {
1.12 nicm 835: u_char *ptr = ctx->ptr;
1.11 nicm 836: size_t i;
1.1 nicm 837:
1.11 nicm 838: for (i = 0; i < UTF8_SIZE; i++) {
1.12 nicm 839: if (ptr[i] == 0xff)
1.11 nicm 840: break;
1.12 nicm 841: tty_putc(tty, ptr[i]);
1.11 nicm 842: }
1.1 nicm 843: }
844:
845: void
846: tty_cell(
847: struct tty *tty, const struct grid_cell *gc, const struct grid_utf8 *gu)
848: {
849: u_int i;
850:
851: /* Skip last character if terminal is stupid. */
852: if (tty->term->flags & TERM_EARLYWRAP &&
853: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
854: return;
855:
856: /* If this is a padding character, do nothing. */
857: if (gc->flags & GRID_FLAG_PADDING)
858: return;
859:
860: /* Set the attributes. */
861: tty_attributes(tty, gc);
862:
863: /* If not UTF-8, write directly. */
864: if (!(gc->flags & GRID_FLAG_UTF8)) {
865: if (gc->data < 0x20 || gc->data == 0x7f)
866: return;
867: tty_putc(tty, gc->data);
868: return;
869: }
870:
871: /* If the terminal doesn't support UTF-8, write underscores. */
872: if (!(tty->flags & TTY_UTF8)) {
873: for (i = 0; i < gu->width; i++)
874: tty_putc(tty, '_');
875: return;
876: }
877:
878: /* Otherwise, write UTF-8. */
1.5 nicm 879: tty_pututf8(tty, gu);
1.1 nicm 880: }
881:
882: void
883: tty_reset(struct tty *tty)
884: {
885: struct grid_cell *gc = &tty->cell;
886:
887: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
888: return;
889:
890: if (tty_term_has(tty->term, TTYC_RMACS) && gc->attr & GRID_ATTR_CHARSET)
891: tty_putcode(tty, TTYC_RMACS);
892: tty_putcode(tty, TTYC_SGR0);
893: memcpy(gc, &grid_default_cell, sizeof *gc);
894: }
895:
1.40 ! nicm 896: /* Set region inside pane. */
1.1 nicm 897: void
1.39 nicm 898: tty_region_pane(
899: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 900: {
1.39 nicm 901: struct window_pane *wp = ctx->wp;
902:
1.40 ! nicm 903: tty_region(tty, wp->yoff + rupper, wp->yoff + rlower);
1.39 nicm 904: }
905:
1.40 ! nicm 906: /* Set region at absolute position. */
1.39 nicm 907: void
1.40 ! nicm 908: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 909: {
910: if (tty->rlower == rlower && tty->rupper == rupper)
911: return;
1.1 nicm 912: if (!tty_term_has(tty->term, TTYC_CSR))
913: return;
1.39 nicm 914:
915: tty->rupper = rupper;
916: tty->rlower = rlower;
917:
918: tty->cx = 0;
919: tty->cy = 0;
920:
921: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.1 nicm 922: }
923:
924: void
925: tty_cursor(struct tty *tty, u_int cx, u_int cy, u_int ox, u_int oy)
926: {
927: if (ox + cx == 0 && tty->cx != 0 && tty->cy == oy + cy) {
928: tty->cx = 0;
929: tty_putc(tty, '\r');
930: } else if (tty->cx != ox + cx || tty->cy != oy + cy) {
931: tty->cx = ox + cx;
932: tty->cy = oy + cy;
933: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
934: }
935: }
936:
937: void
938: tty_attributes(struct tty *tty, const struct grid_cell *gc)
939: {
940: struct grid_cell *tc = &tty->cell;
941: u_char changed;
1.18 nicm 942: u_int fg, bg, attr;
943:
944: /*
945: * If no setab, try to use the reverse attribute as a best-effort for a
946: * non-default background. This is a bit of a hack but it doesn't do
947: * any serious harm and makes a couple of applications happier.
948: */
949: fg = gc->fg; bg = gc->bg; attr = gc->attr;
950: if (!tty_term_has(tty->term, TTYC_SETAB)) {
951: if (attr & GRID_ATTR_REVERSE) {
952: if (fg != 7 && fg != 8)
953: attr &= ~GRID_ATTR_REVERSE;
954: } else {
955: if (bg != 0 && bg != 8)
956: attr |= GRID_ATTR_REVERSE;
957: }
958: }
1.1 nicm 959:
960: /* If any bits are being cleared, reset everything. */
1.18 nicm 961: if (tc->attr & ~attr)
1.1 nicm 962: tty_reset(tty);
963:
964: /* Filter out attribute bits already set. */
1.18 nicm 965: changed = attr & ~tc->attr;
966: tc->attr = attr;
1.1 nicm 967:
968: /* Set the attributes. */
969: if (changed & GRID_ATTR_BRIGHT)
970: tty_putcode(tty, TTYC_BOLD);
971: if (changed & GRID_ATTR_DIM)
972: tty_putcode(tty, TTYC_DIM);
973: if (changed & GRID_ATTR_ITALICS)
974: tty_putcode(tty, TTYC_SMSO);
975: if (changed & GRID_ATTR_UNDERSCORE)
976: tty_putcode(tty, TTYC_SMUL);
977: if (changed & GRID_ATTR_BLINK)
978: tty_putcode(tty, TTYC_BLINK);
979: if (changed & GRID_ATTR_REVERSE) {
980: if (tty_term_has(tty->term, TTYC_REV))
981: tty_putcode(tty, TTYC_REV);
982: else if (tty_term_has(tty->term, TTYC_SMSO))
983: tty_putcode(tty, TTYC_SMSO);
984: }
985: if (changed & GRID_ATTR_HIDDEN)
986: tty_putcode(tty, TTYC_INVIS);
987: if (changed & GRID_ATTR_CHARSET)
988: tty_putcode(tty, TTYC_SMACS);
989:
990: /* Set foreground colour. */
991: if (fg != tc->fg ||
992: (gc->flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256)) {
993: tty_attributes_fg(tty, gc);
994: tc->fg = fg;
1.8 nicm 995: tc->flags &= ~GRID_FLAG_FG256;
996: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 997: }
998:
999: /* Set background colour. */
1000: if (bg != tc->bg ||
1001: (gc->flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256)) {
1002: tty_attributes_bg(tty, gc);
1003: tc->bg = bg;
1.8 nicm 1004: tc->flags &= ~GRID_FLAG_BG256;
1005: tc->flags |= gc->flags & GRID_FLAG_BG256;
1.1 nicm 1006: }
1007: }
1008:
1009: int
1010: tty_try_256(struct tty *tty, u_char colour, const char *type)
1011: {
1012: char s[32];
1013:
1014: if (!(tty->term->flags & TERM_256COLOURS) &&
1015: !(tty->term_flags & TERM_256COLOURS))
1016: return (-1);
1017:
1018: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1019: tty_puts(tty, s);
1020: return (0);
1021: }
1022:
1023: int
1024: tty_try_88(struct tty *tty, u_char colour, const char *type)
1025: {
1026: char s[32];
1027:
1028: if (!(tty->term->flags & TERM_88COLOURS) &&
1029: !(tty->term_flags & TERM_88COLOURS))
1030: return (-1);
1031: colour = colour_256to88(colour);
1032:
1033: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1034: tty_puts(tty, s);
1035: return (0);
1036: }
1037:
1038: void
1039: tty_attributes_fg(struct tty *tty, const struct grid_cell *gc)
1040: {
1041: u_char fg;
1042:
1043: fg = gc->fg;
1044: if (gc->flags & GRID_FLAG_FG256) {
1045: if (tty_try_256(tty, fg, "38") == 0)
1046: return;
1047: if (tty_try_88(tty, fg, "38") == 0)
1048: return;
1049: fg = colour_256to16(fg);
1050: if (fg & 8) {
1051: fg &= 7;
1052: tty_putcode(tty, TTYC_BOLD);
1053: tty->cell.attr |= GRID_ATTR_BRIGHT;
1054: } else if (tty->cell.attr & GRID_ATTR_BRIGHT)
1055: tty_reset(tty);
1056: }
1057:
1058: if (fg == 8 &&
1059: !(tty->term->flags & TERM_HASDEFAULTS) &&
1060: !(tty->term_flags & TERM_HASDEFAULTS))
1061: fg = 7;
1062: if (fg == 8)
1063: tty_puts(tty, "\033[39m");
1064: else
1065: tty_putcode1(tty, TTYC_SETAF, fg);
1066: }
1067:
1068: void
1069: tty_attributes_bg(struct tty *tty, const struct grid_cell *gc)
1070: {
1071: u_char bg;
1072:
1073: bg = gc->bg;
1074: if (gc->flags & GRID_FLAG_BG256) {
1075: if (tty_try_256(tty, bg, "48") == 0)
1076: return;
1077: if (tty_try_88(tty, bg, "48") == 0)
1078: return;
1079: bg = colour_256to16(bg);
1080: if (bg & 8)
1081: bg &= 7;
1082: }
1083:
1084: if (bg == 8 &&
1085: !(tty->term->flags & TERM_HASDEFAULTS) &&
1086: !(tty->term_flags & TERM_HASDEFAULTS))
1087: bg = 0;
1088: if (bg == 8)
1089: tty_puts(tty, "\033[49m");
1090: else
1091: tty_putcode1(tty, TTYC_SETAB, bg);
1092: }
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