Annotation of src/usr.bin/tmux/tty.c, Revision 1.85
1.85 ! nicm 1: /* $OpenBSD: tty.c,v 1.84 2010/02/24 19:08:39 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:
1.67 nicm 31: void tty_read_callback(struct bufferevent *, void *);
1.66 nicm 32: void tty_error_callback(struct bufferevent *, short, void *);
33:
1.1 nicm 34: void tty_fill_acs(struct tty *);
35:
36: int tty_try_256(struct tty *, u_char, const char *);
37: int tty_try_88(struct tty *, u_char, const char *);
38:
1.85 ! nicm 39: void tty_colours(struct tty *, const struct grid_cell *);
! 40: void tty_check_fg(struct tty *, struct grid_cell *);
! 41: void tty_check_bg(struct tty *, struct grid_cell *);
! 42: void tty_colours_fg(struct tty *, const struct grid_cell *);
1.73 nicm 43: void tty_colours_bg(struct tty *, const struct grid_cell *);
1.1 nicm 44:
1.24 nicm 45: void tty_redraw_region(struct tty *, const struct tty_ctx *);
1.13 nicm 46: void tty_emulate_repeat(
47: struct tty *, enum tty_code_code, enum tty_code_code, u_int);
1.14 nicm 48: void tty_cell(struct tty *,
1.77 nicm 49: const struct grid_cell *, const struct grid_utf8 *);
1.1 nicm 50:
51: void
1.30 nicm 52: tty_init(struct tty *tty, int fd, char *term)
1.1 nicm 53: {
1.30 nicm 54: char *path;
55:
56: memset(tty, 0, sizeof *tty);
1.23 nicm 57: tty->log_fd = -1;
1.22 nicm 58:
1.9 nicm 59: if (term == NULL || *term == '\0')
1.1 nicm 60: tty->termname = xstrdup("unknown");
61: else
62: tty->termname = xstrdup(term);
1.30 nicm 63:
64: if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
65: fatal("fcntl failed");
66: tty->fd = fd;
67:
68: if ((path = ttyname(fd)) == NULL)
69: fatalx("ttyname failed");
70: tty->path = xstrdup(path);
71:
1.1 nicm 72: tty->flags = 0;
73: tty->term_flags = 0;
1.31 nicm 74: }
75:
76: void
77: tty_resize(struct tty *tty)
78: {
79: struct winsize ws;
80:
81: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
82: tty->sx = ws.ws_col;
83: tty->sy = ws.ws_row;
84: }
85: if (tty->sx == 0)
86: tty->sx = 80;
87: if (tty->sy == 0)
88: tty->sy = 24;
89:
90: tty->cx = UINT_MAX;
91: tty->cy = UINT_MAX;
92:
93: tty->rupper = UINT_MAX;
94: tty->rlower = UINT_MAX;
1.1 nicm 95: }
96:
97: int
1.17 nicm 98: tty_open(struct tty *tty, const char *overrides, char **cause)
1.1 nicm 99: {
1.30 nicm 100: int fd;
1.1 nicm 101:
1.30 nicm 102: if (debug_level > 3) {
103: fd = open("tmux.out", O_WRONLY|O_CREAT|O_TRUNC, 0644);
104: if (fd != -1 && fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
105: fatal("fcntl failed");
106: tty->log_fd = fd;
1.1 nicm 107: }
108:
1.17 nicm 109: tty->term = tty_term_find(tty->termname, tty->fd, overrides, cause);
1.21 nicm 110: if (tty->term == NULL) {
111: tty_close(tty);
112: return (-1);
113: }
114: tty->flags |= TTY_OPENED;
1.1 nicm 115:
1.66 nicm 116: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_ESCAPE);
1.1 nicm 117:
1.66 nicm 118: tty->event = bufferevent_new(
1.67 nicm 119: tty->fd, tty_read_callback, NULL, tty_error_callback, tty);
1.1 nicm 120:
121: tty_start_tty(tty);
122:
123: tty_keys_init(tty);
124:
125: tty_fill_acs(tty);
126:
127: return (0);
128: }
129:
1.73 nicm 130: /* ARGSUSED */
1.1 nicm 131: void
1.67 nicm 132: tty_read_callback(unused struct bufferevent *bufev, void *data)
133: {
134: struct tty *tty = data;
135:
136: while (tty_keys_next(tty))
137: ;
138: }
139:
1.73 nicm 140: /* ARGSUSED */
1.67 nicm 141: void
1.66 nicm 142: tty_error_callback(
143: unused struct bufferevent *bufev, unused short what, unused void *data)
144: {
145: }
146:
147: void
1.1 nicm 148: tty_start_tty(struct tty *tty)
149: {
150: struct termios tio;
1.82 nicm 151: int mode;
1.33 nicm 152:
153: if (tty->fd == -1)
154: return;
1.1 nicm 155:
1.34 nicm 156: if ((mode = fcntl(tty->fd, F_GETFL)) == -1)
157: fatal("fcntl failed");
158: if (fcntl(tty->fd, F_SETFL, mode|O_NONBLOCK) == -1)
159: fatal("fcntl failed");
160:
1.66 nicm 161: bufferevent_enable(tty->event, EV_READ|EV_WRITE);
162:
1.1 nicm 163: if (tcgetattr(tty->fd, &tty->tio) != 0)
164: fatal("tcgetattr failed");
165: memcpy(&tio, &tty->tio, sizeof tio);
166: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
167: tio.c_iflag |= IGNBRK;
168: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
169: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
170: ECHOPRT|ECHOKE|ECHOCTL|ISIG);
171: tio.c_cc[VMIN] = 1;
1.60 deraadt 172: tio.c_cc[VTIME] = 0;
1.1 nicm 173: if (tcsetattr(tty->fd, TCSANOW, &tio) != 0)
174: fatal("tcsetattr failed");
1.82 nicm 175: tcflush(tty->fd, TCIOFLUSH);
1.1 nicm 176:
1.10 nicm 177: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 178:
1.25 nicm 179: tty_putcode(tty, TTYC_SGR0);
180: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
181:
1.76 nicm 182: tty_putcode(tty, TTYC_RMKX);
1.1 nicm 183: tty_putcode(tty, TTYC_ENACS);
184: tty_putcode(tty, TTYC_CLEAR);
185:
186: tty_putcode(tty, TTYC_CNORM);
187: if (tty_term_has(tty->term, TTYC_KMOUS))
188: tty_puts(tty, "\033[?1000l");
189:
190: tty->cx = UINT_MAX;
191: tty->cy = UINT_MAX;
192:
193: tty->rlower = UINT_MAX;
194: tty->rupper = UINT_MAX;
195:
196: tty->mode = MODE_CURSOR;
1.20 nicm 197:
198: tty->flags |= TTY_STARTED;
1.1 nicm 199: }
200:
201: void
202: tty_stop_tty(struct tty *tty)
203: {
204: struct winsize ws;
1.34 nicm 205: int mode;
1.1 nicm 206:
1.20 nicm 207: if (!(tty->flags & TTY_STARTED))
208: return;
209: tty->flags &= ~TTY_STARTED;
210:
1.66 nicm 211: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
212:
1.1 nicm 213: /*
214: * Be flexible about error handling and try not kill the server just
215: * because the fd is invalid. Things like ssh -t can easily leave us
216: * with a dead tty.
217: */
218: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
219: return;
220: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
221: return;
222:
223: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
224: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
225: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
226: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
227: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
228:
229: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
230: if (tty_term_has(tty->term, TTYC_KMOUS))
231: tty_raw(tty, "\033[?1000l");
1.10 nicm 232:
233: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.84 nicm 234:
235: if ((mode = fcntl(tty->fd, F_GETFL)) != -1)
236: fcntl(tty->fd, F_SETFL, mode & ~O_NONBLOCK);
1.1 nicm 237: }
238:
239: void
240: tty_fill_acs(struct tty *tty)
241: {
242: const char *ptr;
243:
244: memset(tty->acs, 0, sizeof tty->acs);
245: if (!tty_term_has(tty->term, TTYC_ACSC))
246: return;
247:
248: ptr = tty_term_string(tty->term, TTYC_ACSC);
249: if (strlen(ptr) % 2 != 0)
250: return;
251: for (; *ptr != '\0'; ptr += 2)
252: tty->acs[(u_char) ptr[0]] = ptr[1];
253: }
254:
255: u_char
256: tty_get_acs(struct tty *tty, u_char ch)
257: {
258: if (tty->acs[ch] != '\0')
259: return (tty->acs[ch]);
260: return (ch);
261: }
262:
263: void
1.20 nicm 264: tty_close(struct tty *tty)
1.1 nicm 265: {
266: if (tty->log_fd != -1) {
267: close(tty->log_fd);
268: tty->log_fd = -1;
269: }
270:
1.67 nicm 271: evtimer_del(&tty->key_timer);
1.20 nicm 272: tty_stop_tty(tty);
1.1 nicm 273:
1.21 nicm 274: if (tty->flags & TTY_OPENED) {
1.66 nicm 275: bufferevent_free(tty->event);
276:
1.21 nicm 277: tty_term_free(tty->term);
278: tty_keys_free(tty);
279:
280: tty->flags &= ~TTY_OPENED;
281: }
1.1 nicm 282:
1.21 nicm 283: if (tty->fd != -1) {
284: close(tty->fd);
285: tty->fd = -1;
286: }
1.1 nicm 287: }
288:
289: void
1.20 nicm 290: tty_free(struct tty *tty)
1.1 nicm 291: {
1.20 nicm 292: tty_close(tty);
1.1 nicm 293:
294: if (tty->path != NULL)
295: xfree(tty->path);
296: if (tty->termname != NULL)
297: xfree(tty->termname);
298: }
299:
300: void
301: tty_raw(struct tty *tty, const char *s)
302: {
303: write(tty->fd, s, strlen(s));
304: }
305:
306: void
307: tty_putcode(struct tty *tty, enum tty_code_code code)
308: {
309: tty_puts(tty, tty_term_string(tty->term, code));
310: }
311:
312: void
313: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
314: {
315: if (a < 0)
316: return;
317: tty_puts(tty, tty_term_string1(tty->term, code, a));
318: }
319:
320: void
321: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
322: {
323: if (a < 0 || b < 0)
324: return;
325: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
326: }
327:
328: void
329: tty_puts(struct tty *tty, const char *s)
330: {
331: if (*s == '\0')
332: return;
1.66 nicm 333: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 334:
335: if (tty->log_fd != -1)
336: write(tty->log_fd, s, strlen(s));
337: }
338:
339: void
340: tty_putc(struct tty *tty, u_char ch)
341: {
342: u_int sx;
343:
344: if (tty->cell.attr & GRID_ATTR_CHARSET)
345: ch = tty_get_acs(tty, ch);
1.66 nicm 346: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 347:
348: if (ch >= 0x20 && ch != 0x7f) {
349: sx = tty->sx;
350: if (tty->term->flags & TERM_EARLYWRAP)
351: sx--;
352:
1.46 nicm 353: if (tty->cx >= sx) {
354: tty->cx = 1;
355: if (tty->cy != tty->rlower)
356: tty->cy++;
1.1 nicm 357: } else
358: tty->cx++;
359: }
360:
361: if (tty->log_fd != -1)
362: write(tty->log_fd, &ch, 1);
363: }
364:
365: void
1.5 nicm 366: tty_pututf8(struct tty *tty, const struct grid_utf8 *gu)
367: {
1.71 nicm 368: size_t size;
1.5 nicm 369:
1.71 nicm 370: size = grid_utf8_size(gu);
371: bufferevent_write(tty->event, gu->data, size);
372: if (tty->log_fd != -1)
373: write(tty->log_fd, gu->data, size);
1.54 nicm 374: tty->cx += gu->width;
1.5 nicm 375: }
376:
377: void
1.1 nicm 378: tty_set_title(struct tty *tty, const char *title)
379: {
380: if (strstr(tty->termname, "xterm") == NULL &&
381: strstr(tty->termname, "rxvt") == NULL &&
382: strcmp(tty->termname, "screen") != 0)
383: return;
384:
385: tty_puts(tty, "\033]0;");
386: tty_puts(tty, title);
387: tty_putc(tty, '\007');
388: }
389:
390: void
391: tty_update_mode(struct tty *tty, int mode)
392: {
393: int changed;
394:
395: if (tty->flags & TTY_NOCURSOR)
396: mode &= ~MODE_CURSOR;
397:
398: changed = mode ^ tty->mode;
399: if (changed & MODE_CURSOR) {
400: if (mode & MODE_CURSOR)
401: tty_putcode(tty, TTYC_CNORM);
402: else
403: tty_putcode(tty, TTYC_CIVIS);
404: }
405: if (changed & MODE_MOUSE) {
406: if (mode & MODE_MOUSE)
407: tty_puts(tty, "\033[?1000h");
408: else
409: tty_puts(tty, "\033[?1000l");
1.76 nicm 410: }
411: if (changed & MODE_KKEYPAD) {
412: if (mode & MODE_KKEYPAD)
413: tty_putcode(tty, TTYC_SMKX);
414: else
415: tty_putcode(tty, TTYC_RMKX);
1.1 nicm 416: }
417: tty->mode = mode;
418: }
419:
420: void
421: tty_emulate_repeat(
422: struct tty *tty, enum tty_code_code code, enum tty_code_code code1, u_int n)
423: {
424: if (tty_term_has(tty->term, code))
425: tty_putcode1(tty, code, n);
426: else {
427: while (n-- > 0)
428: tty_putcode(tty, code1);
429: }
430: }
431:
432: /*
433: * Redraw scroll region using data from screen (already updated). Used when
434: * CSR not supported, or window is a pane that doesn't take up the full
435: * width of the terminal.
436: */
437: void
1.24 nicm 438: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 439: {
1.14 nicm 440: struct window_pane *wp = ctx->wp;
441: struct screen *s = wp->screen;
442: u_int i;
1.1 nicm 443:
444: /*
445: * If region is >= 50% of the screen, just schedule a window redraw. In
446: * most cases, this is likely to be followed by some more scrolling -
447: * without this, the entire pane ends up being redrawn many times which
448: * can be much more data.
449: */
1.14 nicm 450: if (ctx->orupper - ctx->orlower >= screen_size_y(s) / 2) {
1.1 nicm 451: wp->flags |= PANE_REDRAW;
452: return;
453: }
454:
1.14 nicm 455: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
456: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.1 nicm 457: tty_draw_line(tty, s, i, wp->xoff, wp->yoff);
458: } else {
1.14 nicm 459: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.1 nicm 460: tty_draw_line(tty, s, i, wp->xoff, wp->yoff);
461: }
462: }
463:
464: void
465: tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
466: {
467: const struct grid_cell *gc;
1.46 nicm 468: struct grid_line *gl;
1.16 nicm 469: struct grid_cell tmpgc;
1.1 nicm 470: const struct grid_utf8 *gu;
471: u_int i, sx;
472:
1.35 nicm 473: tty_update_mode(tty, tty->mode & ~MODE_CURSOR);
474:
1.1 nicm 475: sx = screen_size_x(s);
1.19 nicm 476: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
477: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 478: if (sx > tty->sx)
479: sx = tty->sx;
480:
1.46 nicm 481: /*
482: * Don't move the cursor to the start permission if it will wrap there
1.50 nicm 483: * itself.
1.46 nicm 484: */
485: gl = NULL;
486: if (py != 0)
487: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 488: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 489: tty->cx < tty->sx || ox != 0 ||
490: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 491: tty_cursor(tty, ox, oy + py);
492:
1.1 nicm 493: for (i = 0; i < sx; i++) {
494: gc = grid_view_peek_cell(s->grid, i, py);
495:
496: gu = NULL;
497: if (gc->flags & GRID_FLAG_UTF8)
498: gu = grid_view_peek_utf8(s->grid, i, py);
499:
500: if (screen_check_selection(s, i, py)) {
1.16 nicm 501: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
502: tmpgc.data = gc->data;
1.77 nicm 503: tmpgc.flags = gc->flags &
1.38 nicm 504: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
505: tmpgc.flags |= s->sel.cell.flags &
506: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.16 nicm 507: tty_cell(tty, &tmpgc, gu);
1.1 nicm 508: } else
509: tty_cell(tty, gc, gu);
510: }
511:
1.35 nicm 512: if (sx >= tty->sx) {
513: tty_update_mode(tty, tty->mode);
1.1 nicm 514: return;
1.35 nicm 515: }
1.1 nicm 516: tty_reset(tty);
517:
1.41 nicm 518: tty_cursor(tty, ox + sx, oy + py);
1.1 nicm 519: if (screen_size_x(s) >= tty->sx && tty_term_has(tty->term, TTYC_EL))
520: tty_putcode(tty, TTYC_EL);
521: else {
522: for (i = sx; i < screen_size_x(s); i++)
523: tty_putc(tty, ' ');
1.15 nicm 524: }
1.35 nicm 525: tty_update_mode(tty, tty->mode);
1.15 nicm 526: }
527:
528: void
1.24 nicm 529: tty_write(void (*cmdfn)(
530: struct tty *, const struct tty_ctx *), const struct tty_ctx *ctx)
1.15 nicm 531: {
532: struct window_pane *wp = ctx->wp;
533: struct client *c;
534: u_int i;
535:
1.75 nicm 536: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 537: if (wp == NULL)
538: return;
539:
540: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
541: return;
542: if (wp->window->flags & WINDOW_HIDDEN || !window_pane_visible(wp))
543: return;
544:
545: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
546: c = ARRAY_ITEM(&clients, i);
547: if (c == NULL || c->session == NULL)
548: continue;
549: if (c->flags & CLIENT_SUSPENDED)
550: continue;
551:
552: if (c->session->curw->window == wp->window) {
553: if (c->tty.flags & TTY_FREEZE || c->tty.term == NULL)
554: continue;
555: cmdfn(&c->tty, ctx);
556: }
1.1 nicm 557: }
558: }
559:
560: void
1.24 nicm 561: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 562: {
1.77 nicm 563: struct window_pane *wp = ctx->wp;
1.12 nicm 564: struct screen *s = wp->screen;
1.24 nicm 565: u_int i;
1.1 nicm 566:
567: if (wp->xoff != 0 || screen_size_x(s) < tty->sx) {
1.14 nicm 568: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 569: return;
570: }
571:
572: tty_reset(tty);
573:
1.77 nicm 574: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 575:
1.1 nicm 576: if (tty_term_has(tty->term, TTYC_ICH) ||
577: tty_term_has(tty->term, TTYC_ICH1))
1.12 nicm 578: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.77 nicm 579: else if (tty_term_has(tty->term, TTYC_SMIR) &&
1.72 nicm 580: tty_term_has(tty->term, TTYC_RMIR)) {
1.1 nicm 581: tty_putcode(tty, TTYC_SMIR);
1.24 nicm 582: for (i = 0; i < ctx->num; i++)
1.1 nicm 583: tty_putc(tty, ' ');
584: tty_putcode(tty, TTYC_RMIR);
1.72 nicm 585: } else
586: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 587: }
588:
589: void
1.24 nicm 590: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 591: {
1.77 nicm 592: struct window_pane *wp = ctx->wp;
1.12 nicm 593: struct screen *s = wp->screen;
1.1 nicm 594:
1.26 nicm 595: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
596: (!tty_term_has(tty->term, TTYC_DCH) &&
597: !tty_term_has(tty->term, TTYC_DCH1))) {
1.14 nicm 598: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 599: return;
600: }
601:
602: tty_reset(tty);
603:
1.77 nicm 604: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 605:
1.26 nicm 606: if (tty_term_has(tty->term, TTYC_DCH) ||
607: tty_term_has(tty->term, TTYC_DCH1))
608: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.1 nicm 609: }
610:
611: void
1.24 nicm 612: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 613: {
1.77 nicm 614: struct window_pane *wp = ctx->wp;
1.12 nicm 615: struct screen *s = wp->screen;
1.1 nicm 616:
1.77 nicm 617: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
618: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 619: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 620: tty_redraw_region(tty, ctx);
1.1 nicm 621: return;
622: }
623:
624: tty_reset(tty);
625:
1.77 nicm 626: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
627: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 628:
1.12 nicm 629: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 630: }
631:
632: void
1.24 nicm 633: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 634: {
1.77 nicm 635: struct window_pane *wp = ctx->wp;
1.12 nicm 636: struct screen *s = wp->screen;
1.1 nicm 637:
1.77 nicm 638: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
1.72 nicm 639: !tty_term_has(tty->term, TTYC_CSR) ||
640: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 641: tty_redraw_region(tty, ctx);
1.1 nicm 642: return;
643: }
644:
645: tty_reset(tty);
646:
1.77 nicm 647: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
648: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 649:
1.12 nicm 650: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 651: }
652:
653: void
1.24 nicm 654: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 655: {
1.77 nicm 656: struct window_pane *wp = ctx->wp;
1.12 nicm 657: struct screen *s = wp->screen;
658: u_int i;
1.1 nicm 659:
660: tty_reset(tty);
661:
1.77 nicm 662: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 663:
1.1 nicm 664: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
665: tty_term_has(tty->term, TTYC_EL)) {
666: tty_putcode(tty, TTYC_EL);
667: } else {
668: for (i = 0; i < screen_size_x(s); i++)
669: tty_putc(tty, ' ');
670: }
671: }
672:
673: void
1.24 nicm 674: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 675: {
1.77 nicm 676: struct window_pane *wp = ctx->wp;
1.12 nicm 677: struct screen *s = wp->screen;
678: u_int i;
1.1 nicm 679:
680: tty_reset(tty);
681:
1.41 nicm 682: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
683:
1.1 nicm 684: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
685: tty_term_has(tty->term, TTYC_EL))
686: tty_putcode(tty, TTYC_EL);
687: else {
1.14 nicm 688: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 689: tty_putc(tty, ' ');
690: }
691: }
692:
693: void
1.24 nicm 694: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 695: {
1.77 nicm 696: struct window_pane *wp = ctx->wp;
1.12 nicm 697: u_int i;
1.1 nicm 698:
699: tty_reset(tty);
700:
701: if (wp->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1.41 nicm 702: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 703: tty_putcode(tty, TTYC_EL1);
704: } else {
1.41 nicm 705: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.14 nicm 706: for (i = 0; i < ctx->ocx + 1; i++)
1.1 nicm 707: tty_putc(tty, ' ');
708: }
709: }
710:
711: void
1.24 nicm 712: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 713: {
1.77 nicm 714: struct window_pane *wp = ctx->wp;
1.12 nicm 715: struct screen *s = wp->screen;
1.1 nicm 716:
1.56 nicm 717: if (ctx->ocy != ctx->orupper)
718: return;
719:
1.77 nicm 720: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
1.70 nicm 721: !tty_term_has(tty->term, TTYC_CSR) ||
722: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 723: tty_redraw_region(tty, ctx);
1.1 nicm 724: return;
725: }
726:
1.56 nicm 727: tty_reset(tty);
1.77 nicm 728:
1.56 nicm 729: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
730: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 731:
1.56 nicm 732: tty_putcode(tty, TTYC_RI);
1.1 nicm 733: }
734:
735: void
1.24 nicm 736: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 737: {
1.77 nicm 738: struct window_pane *wp = ctx->wp;
1.12 nicm 739: struct screen *s = wp->screen;
1.1 nicm 740:
1.56 nicm 741: if (ctx->ocy != ctx->orlower)
742: return;
743:
1.77 nicm 744: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
1.1 nicm 745: !tty_term_has(tty->term, TTYC_CSR)) {
1.14 nicm 746: tty_redraw_region(tty, ctx);
1.1 nicm 747: return;
748: }
1.52 nicm 749:
750: /*
751: * If this line wrapped naturally (ctx->num is nonzero), don't do
752: * anything - the cursor can just be moved to the last cell and wrap
753: * naturally.
754: */
755: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
756: return;
1.1 nicm 757:
1.56 nicm 758: tty_reset(tty);
1.77 nicm 759:
1.56 nicm 760: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
761: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 762:
1.56 nicm 763: tty_putc(tty, '\n');
1.1 nicm 764: }
765:
766: void
1.24 nicm 767: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 768: {
1.77 nicm 769: struct window_pane *wp = ctx->wp;
1.12 nicm 770: struct screen *s = wp->screen;
771: u_int i, j;
1.1 nicm 772:
773: tty_reset(tty);
774:
1.39 nicm 775: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 776: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 777:
1.1 nicm 778: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
779: tty_term_has(tty->term, TTYC_EL)) {
780: tty_putcode(tty, TTYC_EL);
1.14 nicm 781: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 782: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 783: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 784: tty_putcode(tty, TTYC_EL);
785: if (i == screen_size_y(s) - 1)
786: continue;
787: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
788: tty->cy++;
789: }
790: }
791: } else {
1.14 nicm 792: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 793: tty_putc(tty, ' ');
1.68 nicm 794: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 795: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 796: for (i = 0; i < screen_size_x(s); i++)
797: tty_putc(tty, ' ');
798: }
799: }
800: }
801:
802: void
1.24 nicm 803: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 804: {
1.77 nicm 805: struct window_pane *wp = ctx->wp;
1.12 nicm 806: struct screen *s = wp->screen;
807: u_int i, j;
1.1 nicm 808:
809: tty_reset(tty);
810:
1.39 nicm 811: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 812: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 813:
1.1 nicm 814: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
815: tty_term_has(tty->term, TTYC_EL)) {
1.14 nicm 816: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 817: tty_putcode(tty, TTYC_EL);
818: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
819: tty->cy++;
820: }
821: } else {
1.14 nicm 822: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 823: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 824: for (i = 0; i < screen_size_x(s); i++)
825: tty_putc(tty, ' ');
826: }
827: }
1.14 nicm 828: for (i = 0; i <= ctx->ocx; i++)
1.1 nicm 829: tty_putc(tty, ' ');
830: }
831:
832: void
1.24 nicm 833: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 834: {
1.77 nicm 835: struct window_pane *wp = ctx->wp;
1.12 nicm 836: struct screen *s = wp->screen;
837: u_int i, j;
1.1 nicm 838:
839: tty_reset(tty);
840:
1.39 nicm 841: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 842: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 843:
1.1 nicm 844: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
845: tty_term_has(tty->term, TTYC_EL)) {
846: for (i = 0; i < screen_size_y(s); i++) {
847: tty_putcode(tty, TTYC_EL);
848: if (i != screen_size_y(s) - 1) {
849: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
850: tty->cy++;
851: }
852: }
853: } else {
854: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 855: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 856: for (i = 0; i < screen_size_x(s); i++)
857: tty_putc(tty, ' ');
858: }
1.4 nicm 859: }
860: }
861:
862: void
1.24 nicm 863: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 864: {
1.12 nicm 865: struct window_pane *wp = ctx->wp;
866: struct screen *s = wp->screen;
867: u_int i, j;
1.4 nicm 868:
869: tty_reset(tty);
870:
1.39 nicm 871: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 872:
873: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 874: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 875: for (i = 0; i < screen_size_x(s); i++)
876: tty_putc(tty, 'E');
1.1 nicm 877: }
878: }
879:
880: void
1.24 nicm 881: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 882: {
1.46 nicm 883: struct window_pane *wp = ctx->wp;
884: struct screen *s = wp->screen;
1.58 nicm 885: u_int cx;
1.46 nicm 886:
887: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
888:
1.57 nicm 889: /* Is the cursor in the very last position? */
890: if (ctx->ocx > wp->sx - ctx->last_width) {
891: if (wp->xoff != 0 || wp->sx != tty->sx) {
892: /*
893: * The pane doesn't fill the entire line, the linefeed
894: * will already have happened, so just move the cursor.
895: */
896: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
897: } else if (tty->cx < tty->sx) {
898: /*
899: * The cursor isn't in the last position already, so
900: * move as far left as possinble and redraw the last
901: * cell to move into the last position.
902: */
1.50 nicm 903: cx = screen_size_x(s) - ctx->last_width;
904: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
905: tty_cell(tty, &ctx->last_cell, &ctx->last_utf8);
906: }
907: } else
1.46 nicm 908: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 909:
1.12 nicm 910: tty_cell(tty, ctx->cell, ctx->utf8);
1.1 nicm 911: }
912:
913: void
1.24 nicm 914: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 915: {
1.53 nicm 916: struct window_pane *wp = ctx->wp;
1.1 nicm 917:
1.53 nicm 918: /*
919: * Cannot rely on not being a partial character, so just redraw the
920: * whole line.
921: */
1.77 nicm 922: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 923: }
924:
925: void
926: tty_cell(
927: struct tty *tty, const struct grid_cell *gc, const struct grid_utf8 *gu)
928: {
929: u_int i;
930:
931: /* Skip last character if terminal is stupid. */
932: if (tty->term->flags & TERM_EARLYWRAP &&
933: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
934: return;
935:
936: /* If this is a padding character, do nothing. */
937: if (gc->flags & GRID_FLAG_PADDING)
938: return;
939:
940: /* Set the attributes. */
941: tty_attributes(tty, gc);
942:
943: /* If not UTF-8, write directly. */
944: if (!(gc->flags & GRID_FLAG_UTF8)) {
945: if (gc->data < 0x20 || gc->data == 0x7f)
946: return;
947: tty_putc(tty, gc->data);
948: return;
949: }
950:
951: /* If the terminal doesn't support UTF-8, write underscores. */
952: if (!(tty->flags & TTY_UTF8)) {
953: for (i = 0; i < gu->width; i++)
954: tty_putc(tty, '_');
955: return;
956: }
957:
958: /* Otherwise, write UTF-8. */
1.5 nicm 959: tty_pututf8(tty, gu);
1.1 nicm 960: }
961:
962: void
963: tty_reset(struct tty *tty)
964: {
965: struct grid_cell *gc = &tty->cell;
966:
967: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
968: return;
969:
970: if (tty_term_has(tty->term, TTYC_RMACS) && gc->attr & GRID_ATTR_CHARSET)
971: tty_putcode(tty, TTYC_RMACS);
972: tty_putcode(tty, TTYC_SGR0);
973: memcpy(gc, &grid_default_cell, sizeof *gc);
974: }
975:
1.40 nicm 976: /* Set region inside pane. */
1.1 nicm 977: void
1.39 nicm 978: tty_region_pane(
979: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 980: {
1.77 nicm 981: struct window_pane *wp = ctx->wp;
1.39 nicm 982:
1.40 nicm 983: tty_region(tty, wp->yoff + rupper, wp->yoff + rlower);
1.39 nicm 984: }
985:
1.40 nicm 986: /* Set region at absolute position. */
1.39 nicm 987: void
1.40 nicm 988: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 989: {
990: if (tty->rlower == rlower && tty->rupper == rupper)
991: return;
1.1 nicm 992: if (!tty_term_has(tty->term, TTYC_CSR))
993: return;
1.39 nicm 994:
995: tty->rupper = rupper;
996: tty->rlower = rlower;
1.55 nicm 997:
998: /*
999: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1000: * 0,0 if it is beyond the last column (they do not reset their wrap
1001: * flag so further output causes a line feed). As a workaround, do an
1002: * explicit move to 0 first.
1003: */
1004: if (tty->cx >= tty->sx)
1005: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1006:
1.39 nicm 1007: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1008: tty_cursor(tty, 0, 0);
1.1 nicm 1009: }
1010:
1.42 nicm 1011: /* Move cursor inside pane. */
1.1 nicm 1012: void
1.41 nicm 1013: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1014: {
1.77 nicm 1015: struct window_pane *wp = ctx->wp;
1.41 nicm 1016:
1017: tty_cursor(tty, wp->xoff + cx, wp->yoff + cy);
1018: }
1019:
1.42 nicm 1020: /* Move cursor to absolute position. */
1.41 nicm 1021: void
1022: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1023: {
1.42 nicm 1024: struct tty_term *term = tty->term;
1025: u_int thisx, thisy;
1026: int change;
1.77 nicm 1027:
1.42 nicm 1028: if (cx > tty->sx - 1)
1029: cx = tty->sx - 1;
1030:
1031: thisx = tty->cx;
1032: thisy = tty->cy;
1033:
1034: /* No change. */
1035: if (cx == thisx && cy == thisy)
1036: return;
1037:
1.43 nicm 1038: /* Very end of the line, just use absolute movement. */
1039: if (thisx > tty->sx - 1)
1040: goto absolute;
1041:
1.42 nicm 1042: /* Move to home position (0, 0). */
1043: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1044: tty_putcode(tty, TTYC_HOME);
1045: goto out;
1046: }
1047:
1048: /* Zero on the next line. */
1.48 nicm 1049: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1050: tty_putc(tty, '\r');
1.42 nicm 1051: tty_putc(tty, '\n');
1052: goto out;
1053: }
1054:
1.45 nicm 1055: /* Moving column or row. */
1.42 nicm 1056: if (cy == thisy) {
1.45 nicm 1057: /*
1058: * Moving column only, row staying the same.
1059: */
1060:
1.42 nicm 1061: /* To left edge. */
1062: if (cx == 0) {
1063: tty_putc(tty, '\r');
1064: goto out;
1065: }
1066:
1067: /* One to the left. */
1068: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1069: tty_putcode(tty, TTYC_CUB1);
1070: goto out;
1071: }
1072:
1073: /* One to the right. */
1074: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1075: tty_putcode(tty, TTYC_CUF1);
1076: goto out;
1077: }
1078:
1079: /* Calculate difference. */
1080: change = thisx - cx; /* +ve left, -ve right */
1081:
1082: /*
1083: * Use HPA if change is larger than absolute, otherwise move
1084: * the cursor with CUB/CUF.
1085: */
1086: if (abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1087: tty_putcode1(tty, TTYC_HPA, cx);
1088: goto out;
1089: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1090: tty_putcode1(tty, TTYC_CUB, change);
1091: goto out;
1092: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1093: tty_putcode1(tty, TTYC_CUF, -change);
1094: goto out;
1095: }
1.45 nicm 1096: } else if (cx == thisx) {
1097: /*
1098: * Moving row only, column staying the same.
1099: */
1.42 nicm 1100:
1101: /* One above. */
1.77 nicm 1102: if (thisy != tty->rupper &&
1.42 nicm 1103: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1104: tty_putcode(tty, TTYC_CUU1);
1105: goto out;
1106: }
1107:
1108: /* One below. */
1.49 nicm 1109: if (thisy != tty->rlower &&
1.42 nicm 1110: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1111: tty_putcode(tty, TTYC_CUD1);
1112: goto out;
1113: }
1114:
1115: /* Calculate difference. */
1116: change = thisy - cy; /* +ve up, -ve down */
1117:
1118: /*
1.77 nicm 1119: * Try to use VPA if change is larger than absolute or if this
1120: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1121: */
1.44 nicm 1122: if (abs(change) > cy ||
1.42 nicm 1123: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1124: (change > 0 && cy - change < tty->rupper)) {
1125: if (tty_term_has(term, TTYC_VPA)) {
1126: tty_putcode1(tty, TTYC_VPA, cy);
1127: goto out;
1128: }
1.42 nicm 1129: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1130: tty_putcode1(tty, TTYC_CUU, change);
1131: goto out;
1132: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1133: tty_putcode1(tty, TTYC_CUD, -change);
1134: goto out;
1135: }
1136: }
1137:
1.43 nicm 1138: absolute:
1.42 nicm 1139: /* Absolute movement. */
1140: tty_putcode2(tty, TTYC_CUP, cy, cx);
1141:
1142: out:
1143: tty->cx = cx;
1144: tty->cy = cy;
1.1 nicm 1145: }
1146:
1147: void
1148: tty_attributes(struct tty *tty, const struct grid_cell *gc)
1149: {
1.63 nicm 1150: struct grid_cell *tc = &tty->cell, gc2;
1.85 ! nicm 1151: u_char changed;
1.61 nicm 1152:
1.85 ! nicm 1153: memcpy(&gc2, gc, sizeof gc2);
1.63 nicm 1154:
1.18 nicm 1155: /*
1156: * If no setab, try to use the reverse attribute as a best-effort for a
1157: * non-default background. This is a bit of a hack but it doesn't do
1158: * any serious harm and makes a couple of applications happier.
1159: */
1160: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 ! nicm 1161: if (gc2.attr & GRID_ATTR_REVERSE) {
! 1162: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1163: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1164: } else {
1.85 ! nicm 1165: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1166: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1167: }
1168: }
1.1 nicm 1169:
1.85 ! nicm 1170: /* Fix up the colours if necessary. */
! 1171: tty_check_fg(tty, &gc2);
! 1172: tty_check_bg(tty, &gc2);
! 1173:
1.64 nicm 1174: /* If any bits are being cleared, reset everything. */
1.85 ! nicm 1175: if (tc->attr & ~gc2.attr)
1.64 nicm 1176: tty_reset(tty);
1177:
1178: /*
1179: * Set the colours. This may call tty_reset() (so it comes next) and
1180: * may add to (NOT remove) the desired attributes by changing new_attr.
1181: */
1.85 ! nicm 1182: tty_colours(tty, &gc2);
1.64 nicm 1183:
1.1 nicm 1184: /* Filter out attribute bits already set. */
1.85 ! nicm 1185: changed = gc2.attr & ~tc->attr;
! 1186: tc->attr = gc2.attr;
1.1 nicm 1187:
1188: /* Set the attributes. */
1189: if (changed & GRID_ATTR_BRIGHT)
1190: tty_putcode(tty, TTYC_BOLD);
1191: if (changed & GRID_ATTR_DIM)
1192: tty_putcode(tty, TTYC_DIM);
1193: if (changed & GRID_ATTR_ITALICS)
1194: tty_putcode(tty, TTYC_SMSO);
1195: if (changed & GRID_ATTR_UNDERSCORE)
1196: tty_putcode(tty, TTYC_SMUL);
1197: if (changed & GRID_ATTR_BLINK)
1198: tty_putcode(tty, TTYC_BLINK);
1199: if (changed & GRID_ATTR_REVERSE) {
1200: if (tty_term_has(tty->term, TTYC_REV))
1201: tty_putcode(tty, TTYC_REV);
1202: else if (tty_term_has(tty->term, TTYC_SMSO))
1203: tty_putcode(tty, TTYC_SMSO);
1204: }
1205: if (changed & GRID_ATTR_HIDDEN)
1206: tty_putcode(tty, TTYC_INVIS);
1207: if (changed & GRID_ATTR_CHARSET)
1208: tty_putcode(tty, TTYC_SMACS);
1209: }
1210:
1.61 nicm 1211: void
1.85 ! nicm 1212: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1213: {
1.61 nicm 1214: struct grid_cell *tc = &tty->cell;
1.62 nicm 1215: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1216: int have_ax, fg_default, bg_default;
1.61 nicm 1217:
1218: /* No changes? Nothing is necessary. */
1.62 nicm 1219: if (fg == tc->fg && bg == tc->bg &&
1220: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1221: return;
1.1 nicm 1222:
1.61 nicm 1223: /*
1224: * Is either the default colour? This is handled specially because the
1225: * best solution might be to reset both colours to default, in which
1226: * case if only one is default need to fall onward to set the other
1227: * colour.
1228: */
1.62 nicm 1229: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1230: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1231: if (fg_default || bg_default) {
1232: /*
1233: * If don't have AX but do have op, send sgr0 (op can't
1234: * actually be used because it is sometimes the same as sgr0
1235: * and sometimes isn't). This resets both colours to default.
1236: *
1237: * Otherwise, try to set the default colour only as needed.
1238: */
1239: have_ax = tty_term_has(tty->term, TTYC_AX);
1240: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1241: tty_reset(tty);
1242: else {
1243: if (fg_default &&
1.81 nicm 1244: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1245: if (have_ax)
1246: tty_puts(tty, "\033[39m");
1.81 nicm 1247: else if (tc->fg != 7 ||
1248: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1249: tty_putcode1(tty, TTYC_SETAF, 7);
1250: tc->fg = 8;
1251: tc->flags &= ~GRID_FLAG_FG256;
1252: }
1253: if (bg_default &&
1.81 nicm 1254: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1255: if (have_ax)
1.61 nicm 1256: tty_puts(tty, "\033[49m");
1.81 nicm 1257: else if (tc->bg != 0 ||
1258: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1259: tty_putcode1(tty, TTYC_SETAB, 0);
1260: tc->bg = 8;
1261: tc->flags &= ~GRID_FLAG_BG256;
1262: }
1263: }
1264: }
1.1 nicm 1265:
1.61 nicm 1266: /* Set the foreground colour. */
1267: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1268: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 ! nicm 1269: tty_colours_fg(tty, gc);
1.1 nicm 1270:
1.61 nicm 1271: /*
1272: * Set the background colour. This must come after the foreground as
1273: * tty_colour_fg() can call tty_reset().
1274: */
1275: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1276: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1277: tty_colours_bg(tty, gc);
1.1 nicm 1278: }
1279:
1280: void
1.85 ! nicm 1281: tty_check_fg(struct tty *tty, struct grid_cell *gc)
! 1282: {
! 1283: u_int colours;
! 1284:
! 1285: /* Is this a 256-colour colour? */
! 1286: if (gc->flags & GRID_FLAG_FG256) {
! 1287: /* And not a 256 colour mode? */
! 1288: if (!(tty->term->flags & TERM_88COLOURS) &&
! 1289: !(tty->term_flags & TERM_88COLOURS) &&
! 1290: !(tty->term->flags & TERM_256COLOURS) &&
! 1291: !(tty->term_flags & TERM_256COLOURS)) {
! 1292: gc->fg = colour_256to16(gc->fg);
! 1293: if (gc->fg & 8) {
! 1294: gc->fg &= 7;
! 1295: gc->attr |= GRID_ATTR_BRIGHT;
! 1296: } else
! 1297: gc->attr &= ~GRID_ATTR_BRIGHT;
! 1298: gc->flags &= ~GRID_FLAG_FG256;
! 1299: }
! 1300: return;
! 1301: }
! 1302:
! 1303: /* Is this an aixterm colour? */
! 1304: colours = tty_term_number(tty->term, TTYC_COLORS);
! 1305: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
! 1306: gc->fg -= 90;
! 1307: gc->attr |= GRID_ATTR_BRIGHT;
! 1308: }
! 1309: }
! 1310:
! 1311: void
! 1312: tty_check_bg(struct tty *tty, struct grid_cell *gc)
! 1313: {
! 1314: u_int colours;
! 1315:
! 1316: /* Is this a 256-colour colour? */
! 1317: if (gc->flags & GRID_FLAG_BG256) {
! 1318: /*
! 1319: * And not a 256 colour mode? Translate to 16-colour
! 1320: * palette. Bold background doesn't exist portably, so just
! 1321: * discard the bold bit if set.
! 1322: */
! 1323: if (!(tty->term->flags & TERM_88COLOURS) &&
! 1324: !(tty->term_flags & TERM_88COLOURS) &&
! 1325: !(tty->term->flags & TERM_256COLOURS) &&
! 1326: !(tty->term_flags & TERM_256COLOURS)) {
! 1327: gc->bg = colour_256to16(gc->bg);
! 1328: if (gc->bg & 8)
! 1329: gc->bg &= 7;
! 1330: gc->attr &= ~GRID_ATTR_BRIGHT;
! 1331: gc->flags &= ~GRID_FLAG_BG256;
! 1332: }
! 1333: return;
! 1334: }
! 1335:
! 1336: /* Is this an aixterm colour? */
! 1337: colours = tty_term_number(tty->term, TTYC_COLORS);
! 1338: if (gc->bg >= 100 && gc->bg <= 107 && colours < 16) {
! 1339: gc->bg -= 90;
! 1340: gc->attr |= GRID_ATTR_BRIGHT;
! 1341: }
! 1342: }
! 1343:
! 1344: void
! 1345: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1346: {
1.61 nicm 1347: struct grid_cell *tc = &tty->cell;
1348: u_char fg = gc->fg;
1.79 nicm 1349: char s[32];
1.1 nicm 1350:
1.61 nicm 1351: /* Is this a 256-colour colour? */
1.1 nicm 1352: if (gc->flags & GRID_FLAG_FG256) {
1.61 nicm 1353: /* Try as 256 colours or translating to 88. */
1.1 nicm 1354: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1355: goto save_fg;
1.1 nicm 1356: if (tty_try_88(tty, fg, "38") == 0)
1.61 nicm 1357: goto save_fg;
1.85 ! nicm 1358: /* Else already handled by tty_check_fg. */
! 1359: return;
1.1 nicm 1360: }
1361:
1.79 nicm 1362: /* Is this an aixterm bright colour? */
1363: if (fg >= 90 && fg <= 97) {
1.85 ! nicm 1364: xsnprintf(s, sizeof s, "\033[%dm", fg);
! 1365: tty_puts(tty, s);
! 1366: goto save_fg;
1.79 nicm 1367: }
1368:
1.61 nicm 1369: /* Otherwise set the foreground colour. */
1370: tty_putcode1(tty, TTYC_SETAF, fg);
1371:
1.77 nicm 1372: save_fg:
1.61 nicm 1373: /* Save the new values in the terminal current cell. */
1374: tc->fg = fg;
1375: tc->flags &= ~GRID_FLAG_FG256;
1376: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1377: }
1378:
1379: void
1.73 nicm 1380: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1381: {
1.61 nicm 1382: struct grid_cell *tc = &tty->cell;
1383: u_char bg = gc->bg;
1.79 nicm 1384: char s[32];
1.1 nicm 1385:
1.61 nicm 1386: /* Is this a 256-colour colour? */
1.1 nicm 1387: if (gc->flags & GRID_FLAG_BG256) {
1.61 nicm 1388: /* Try as 256 colours or translating to 88. */
1.1 nicm 1389: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1390: goto save_bg;
1.1 nicm 1391: if (tty_try_88(tty, bg, "48") == 0)
1.61 nicm 1392: goto save_bg;
1.85 ! nicm 1393: /* Else already handled by tty_check_bg. */
! 1394: return;
1.79 nicm 1395: }
1396:
1397: /* Is this an aixterm bright colour? */
1398: if (bg >= 100 && bg <= 107) {
1399: /* 16 colour terminals or above only. */
1400: if (tty_term_number(tty->term, TTYC_COLORS) >= 16) {
1401: xsnprintf(s, sizeof s, "\033[%dm", bg);
1402: tty_puts(tty, s);
1403: goto save_bg;
1404: }
1405: bg -= 100;
1406: /* no such thing as a bold background */
1.1 nicm 1407: }
1408:
1.61 nicm 1409: /* Otherwise set the background colour. */
1410: tty_putcode1(tty, TTYC_SETAB, bg);
1411:
1412: save_bg:
1413: /* Save the new values in the terminal current cell. */
1414: tc->bg = bg;
1415: tc->flags &= ~GRID_FLAG_BG256;
1416: tc->flags |= gc->flags & GRID_FLAG_BG256;
1417: }
1418:
1419: int
1420: tty_try_256(struct tty *tty, u_char colour, const char *type)
1421: {
1422: char s[32];
1423:
1424: if (!(tty->term->flags & TERM_256COLOURS) &&
1425: !(tty->term_flags & TERM_256COLOURS))
1426: return (-1);
1427:
1428: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1429: tty_puts(tty, s);
1430: return (0);
1431: }
1432:
1433: int
1434: tty_try_88(struct tty *tty, u_char colour, const char *type)
1435: {
1436: char s[32];
1437:
1438: if (!(tty->term->flags & TERM_88COLOURS) &&
1439: !(tty->term_flags & TERM_88COLOURS))
1440: return (-1);
1441: colour = colour_256to88(colour);
1442:
1443: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1444: tty_puts(tty, s);
1445: return (0);
1.1 nicm 1446: }
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