Annotation of embedaddon/tmux/tty.c, revision 1.1
1.1 ! misho 1: /* $OpenBSD$ */
! 2:
! 3: /*
! 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
! 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 <netinet/in.h>
! 23:
! 24: #include <curses.h>
! 25: #include <errno.h>
! 26: #include <fcntl.h>
! 27: #include <resolv.h>
! 28: #include <stdlib.h>
! 29: #include <string.h>
! 30: #include <termios.h>
! 31: #include <unistd.h>
! 32:
! 33: #include "tmux.h"
! 34:
! 35: static int tty_log_fd = -1;
! 36:
! 37: static int tty_client_ready(struct client *, struct window_pane *);
! 38:
! 39: static void tty_set_italics(struct tty *);
! 40: static int tty_try_colour(struct tty *, int, const char *);
! 41: static void tty_force_cursor_colour(struct tty *, const char *);
! 42: static void tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int,
! 43: u_int);
! 44: static void tty_cursor_pane_unless_wrap(struct tty *,
! 45: const struct tty_ctx *, u_int, u_int);
! 46: static void tty_invalidate(struct tty *);
! 47: static void tty_colours(struct tty *, const struct grid_cell *);
! 48: static void tty_check_fg(struct tty *, const struct window_pane *,
! 49: struct grid_cell *);
! 50: static void tty_check_bg(struct tty *, const struct window_pane *,
! 51: struct grid_cell *);
! 52: static void tty_colours_fg(struct tty *, const struct grid_cell *);
! 53: static void tty_colours_bg(struct tty *, const struct grid_cell *);
! 54:
! 55: static void tty_region_pane(struct tty *, const struct tty_ctx *, u_int,
! 56: u_int);
! 57: static void tty_region(struct tty *, u_int, u_int);
! 58: static void tty_margin_pane(struct tty *, const struct tty_ctx *);
! 59: static void tty_margin(struct tty *, u_int, u_int);
! 60: static int tty_large_region(struct tty *, const struct tty_ctx *);
! 61: static int tty_fake_bce(const struct tty *, const struct window_pane *,
! 62: u_int);
! 63: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
! 64: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
! 65: enum tty_code_code, u_int);
! 66: static void tty_repeat_space(struct tty *, u_int);
! 67: static void tty_cell(struct tty *, const struct grid_cell *,
! 68: const struct window_pane *);
! 69: static void tty_default_colours(struct grid_cell *,
! 70: const struct window_pane *);
! 71: static void tty_default_attributes(struct tty *, const struct window_pane *,
! 72: u_int);
! 73:
! 74: #define tty_use_acs(tty) \
! 75: (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
! 76: #define tty_use_margin(tty) \
! 77: ((tty)->term_type == TTY_VT420)
! 78:
! 79: #define tty_pane_full_width(tty, ctx) \
! 80: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
! 81:
! 82: void
! 83: tty_create_log(void)
! 84: {
! 85: char name[64];
! 86:
! 87: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
! 88:
! 89: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
! 90: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
! 91: fatal("fcntl failed");
! 92: }
! 93:
! 94: int
! 95: tty_init(struct tty *tty, struct client *c, int fd, char *term)
! 96: {
! 97: if (!isatty(fd))
! 98: return (-1);
! 99:
! 100: memset(tty, 0, sizeof *tty);
! 101:
! 102: if (term == NULL || *term == '\0')
! 103: tty->term_name = xstrdup("unknown");
! 104: else
! 105: tty->term_name = xstrdup(term);
! 106:
! 107: tty->fd = fd;
! 108: tty->client = c;
! 109:
! 110: tty->cstyle = 0;
! 111: tty->ccolour = xstrdup("");
! 112:
! 113: tty->flags = 0;
! 114:
! 115: tty->term_flags = 0;
! 116: tty->term_type = TTY_UNKNOWN;
! 117:
! 118: return (0);
! 119: }
! 120:
! 121: int
! 122: tty_resize(struct tty *tty)
! 123: {
! 124: struct client *c = tty->client;
! 125: struct winsize ws;
! 126: u_int sx, sy;
! 127:
! 128: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
! 129: sx = ws.ws_col;
! 130: if (sx == 0)
! 131: sx = 80;
! 132: sy = ws.ws_row;
! 133: if (sy == 0)
! 134: sy = 24;
! 135: } else {
! 136: sx = 80;
! 137: sy = 24;
! 138: }
! 139: log_debug("%s: %s now %ux%u", __func__, c->name, sx, sy);
! 140:
! 141: if (!tty_set_size(tty, sx, sy))
! 142: return (0);
! 143: tty_invalidate(tty);
! 144: return (1);
! 145: }
! 146:
! 147: int
! 148: tty_set_size(struct tty *tty, u_int sx, u_int sy)
! 149: {
! 150: if (sx == tty->sx && sy == tty->sy)
! 151: return (0);
! 152: tty->sx = sx;
! 153: tty->sy = sy;
! 154: return (1);
! 155: }
! 156:
! 157: static void
! 158: tty_read_callback(__unused int fd, __unused short events, void *data)
! 159: {
! 160: struct tty *tty = data;
! 161: struct client *c = tty->client;
! 162: size_t size = EVBUFFER_LENGTH(tty->in);
! 163: int nread;
! 164:
! 165: nread = evbuffer_read(tty->in, tty->fd, -1);
! 166: if (nread == -1)
! 167: return;
! 168: log_debug("%s: read %d bytes (already %zu)", c->name, nread, size);
! 169:
! 170: while (tty_keys_next(tty))
! 171: ;
! 172: }
! 173:
! 174: static void
! 175: tty_write_callback(__unused int fd, __unused short events, void *data)
! 176: {
! 177: struct tty *tty = data;
! 178: struct client *c = tty->client;
! 179: size_t size = EVBUFFER_LENGTH(tty->out);
! 180: int nwrite;
! 181:
! 182: nwrite = evbuffer_write(tty->out, tty->fd);
! 183: if (nwrite == -1)
! 184: return;
! 185: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
! 186:
! 187: if (EVBUFFER_LENGTH(tty->out) != 0)
! 188: event_add(&tty->event_out, NULL);
! 189: }
! 190:
! 191: int
! 192: tty_open(struct tty *tty, char **cause)
! 193: {
! 194: tty->term = tty_term_find(tty->term_name, tty->fd, cause);
! 195: if (tty->term == NULL) {
! 196: tty_close(tty);
! 197: return (-1);
! 198: }
! 199: tty->flags |= TTY_OPENED;
! 200:
! 201: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
! 202:
! 203: event_set(&tty->event_in, tty->fd, EV_PERSIST|EV_READ,
! 204: tty_read_callback, tty);
! 205: tty->in = evbuffer_new();
! 206:
! 207: event_set(&tty->event_out, tty->fd, EV_WRITE, tty_write_callback, tty);
! 208: tty->out = evbuffer_new();
! 209:
! 210: tty_start_tty(tty);
! 211:
! 212: tty_keys_build(tty);
! 213:
! 214: return (0);
! 215: }
! 216:
! 217: void
! 218: tty_start_tty(struct tty *tty)
! 219: {
! 220: struct termios tio;
! 221:
! 222: if (tty->fd != -1 && tcgetattr(tty->fd, &tty->tio) == 0) {
! 223: setblocking(tty->fd, 0);
! 224: event_add(&tty->event_in, NULL);
! 225:
! 226: memcpy(&tio, &tty->tio, sizeof tio);
! 227: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
! 228: tio.c_iflag |= IGNBRK;
! 229: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
! 230: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
! 231: ECHOPRT|ECHOKE|ISIG);
! 232: tio.c_cc[VMIN] = 1;
! 233: tio.c_cc[VTIME] = 0;
! 234: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
! 235: tcflush(tty->fd, TCIOFLUSH);
! 236: }
! 237:
! 238: tty_putcode(tty, TTYC_SMCUP);
! 239:
! 240: tty_putcode(tty, TTYC_SMKX);
! 241: if (tty_use_acs(tty))
! 242: tty_putcode(tty, TTYC_ENACS);
! 243: tty_putcode(tty, TTYC_CLEAR);
! 244:
! 245: tty_putcode(tty, TTYC_CNORM);
! 246: if (tty_term_has(tty->term, TTYC_KMOUS))
! 247: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
! 248:
! 249: if (tty_term_flag(tty->term, TTYC_XT)) {
! 250: if (options_get_number(global_options, "focus-events")) {
! 251: tty->flags |= TTY_FOCUS;
! 252: tty_puts(tty, "\033[?1004h");
! 253: }
! 254: tty_puts(tty, "\033[c");
! 255: }
! 256:
! 257: tty->flags |= TTY_STARTED;
! 258: tty_invalidate(tty);
! 259:
! 260: tty_force_cursor_colour(tty, "");
! 261:
! 262: tty->mouse_drag_flag = 0;
! 263: tty->mouse_drag_update = NULL;
! 264: tty->mouse_drag_release = NULL;
! 265: }
! 266:
! 267: void
! 268: tty_stop_tty(struct tty *tty)
! 269: {
! 270: struct winsize ws;
! 271:
! 272: if (!(tty->flags & TTY_STARTED))
! 273: return;
! 274: tty->flags &= ~TTY_STARTED;
! 275:
! 276: event_del(&tty->event_in);
! 277: event_del(&tty->event_out);
! 278:
! 279: /*
! 280: * Be flexible about error handling and try not kill the server just
! 281: * because the fd is invalid. Things like ssh -t can easily leave us
! 282: * with a dead tty.
! 283: */
! 284: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
! 285: return;
! 286: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
! 287: return;
! 288:
! 289: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
! 290: if (tty_use_acs(tty))
! 291: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
! 292: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
! 293: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
! 294: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
! 295: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
! 296: if (tty_term_has(tty->term, TTYC_SE))
! 297: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
! 298: else
! 299: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
! 300: }
! 301: if (tty->mode & MODE_BRACKETPASTE)
! 302: tty_raw(tty, "\033[?2004l");
! 303: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
! 304:
! 305: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
! 306: if (tty_term_has(tty->term, TTYC_KMOUS))
! 307: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
! 308:
! 309: if (tty_term_flag(tty->term, TTYC_XT)) {
! 310: if (tty->flags & TTY_FOCUS) {
! 311: tty->flags &= ~TTY_FOCUS;
! 312: tty_raw(tty, "\033[?1004l");
! 313: }
! 314: }
! 315:
! 316: if (tty_use_margin(tty))
! 317: tty_raw(tty, "\033[?69l"); /* DECLRMM */
! 318: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
! 319:
! 320: setblocking(tty->fd, 1);
! 321: }
! 322:
! 323: void
! 324: tty_close(struct tty *tty)
! 325: {
! 326: if (event_initialized(&tty->key_timer))
! 327: evtimer_del(&tty->key_timer);
! 328: tty_stop_tty(tty);
! 329:
! 330: if (tty->flags & TTY_OPENED) {
! 331: evbuffer_free(tty->in);
! 332: event_del(&tty->event_in);
! 333: evbuffer_free(tty->out);
! 334: event_del(&tty->event_out);
! 335:
! 336: tty_term_free(tty->term);
! 337: tty_keys_free(tty);
! 338:
! 339: tty->flags &= ~TTY_OPENED;
! 340: }
! 341:
! 342: if (tty->fd != -1) {
! 343: close(tty->fd);
! 344: tty->fd = -1;
! 345: }
! 346: }
! 347:
! 348: void
! 349: tty_free(struct tty *tty)
! 350: {
! 351: tty_close(tty);
! 352:
! 353: free(tty->ccolour);
! 354: free(tty->term_name);
! 355: }
! 356:
! 357: void
! 358: tty_set_type(struct tty *tty, int type)
! 359: {
! 360: tty->term_type = type;
! 361:
! 362: if (tty_use_margin(tty))
! 363: tty_puts(tty, "\033[?69h"); /* DECLRMM */
! 364: }
! 365:
! 366: void
! 367: tty_raw(struct tty *tty, const char *s)
! 368: {
! 369: ssize_t n, slen;
! 370: u_int i;
! 371:
! 372: slen = strlen(s);
! 373: for (i = 0; i < 5; i++) {
! 374: n = write(tty->fd, s, slen);
! 375: if (n >= 0) {
! 376: s += n;
! 377: slen -= n;
! 378: if (slen == 0)
! 379: break;
! 380: } else if (n == -1 && errno != EAGAIN)
! 381: break;
! 382: usleep(100);
! 383: }
! 384: }
! 385:
! 386: void
! 387: tty_putcode(struct tty *tty, enum tty_code_code code)
! 388: {
! 389: tty_puts(tty, tty_term_string(tty->term, code));
! 390: }
! 391:
! 392: void
! 393: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
! 394: {
! 395: if (a < 0)
! 396: return;
! 397: tty_puts(tty, tty_term_string1(tty->term, code, a));
! 398: }
! 399:
! 400: void
! 401: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
! 402: {
! 403: if (a < 0 || b < 0)
! 404: return;
! 405: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
! 406: }
! 407:
! 408: void
! 409: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
! 410: {
! 411: if (a != NULL)
! 412: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
! 413: }
! 414:
! 415: void
! 416: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
! 417: const void *b)
! 418: {
! 419: if (a != NULL && b != NULL)
! 420: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
! 421: }
! 422:
! 423: static void
! 424: tty_add(struct tty *tty, const char *buf, size_t len)
! 425: {
! 426: struct client *c = tty->client;
! 427:
! 428: evbuffer_add(tty->out, buf, len);
! 429: log_debug("%s: %.*s", c->name, (int)len, (const char *)buf);
! 430: tty->written += len;
! 431:
! 432: if (tty_log_fd != -1)
! 433: write(tty_log_fd, buf, len);
! 434: if (tty->flags & TTY_STARTED)
! 435: event_add(&tty->event_out, NULL);
! 436: }
! 437:
! 438: void
! 439: tty_puts(struct tty *tty, const char *s)
! 440: {
! 441: if (*s != '\0')
! 442: tty_add(tty, s, strlen(s));
! 443: }
! 444:
! 445: void
! 446: tty_putc(struct tty *tty, u_char ch)
! 447: {
! 448: const char *acs;
! 449:
! 450: if (tty->cell.attr & GRID_ATTR_CHARSET) {
! 451: acs = tty_acs_get(tty, ch);
! 452: if (acs != NULL)
! 453: tty_add(tty, acs, strlen(acs));
! 454: else
! 455: tty_add(tty, &ch, 1);
! 456: } else
! 457: tty_add(tty, &ch, 1);
! 458:
! 459: if (ch >= 0x20 && ch != 0x7f) {
! 460: if (tty->cx >= tty->sx) {
! 461: tty->cx = 1;
! 462: if (tty->cy != tty->rlower)
! 463: tty->cy++;
! 464:
! 465: /*
! 466: * On !xenl terminals, force the cursor position to
! 467: * where we think it should be after a line wrap - this
! 468: * means it works on sensible terminals as well.
! 469: */
! 470: if (tty->term->flags & TERM_EARLYWRAP)
! 471: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
! 472: } else
! 473: tty->cx++;
! 474: }
! 475: }
! 476:
! 477: void
! 478: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
! 479: {
! 480: tty_add(tty, buf, len);
! 481: if (tty->cx + width > tty->sx)
! 482: tty->cx = tty->cy = UINT_MAX;
! 483: else
! 484: tty->cx += width;
! 485: }
! 486:
! 487: static void
! 488: tty_set_italics(struct tty *tty)
! 489: {
! 490: const char *s;
! 491:
! 492: if (tty_term_has(tty->term, TTYC_SITM)) {
! 493: s = options_get_string(global_options, "default-terminal");
! 494: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
! 495: tty_putcode(tty, TTYC_SITM);
! 496: return;
! 497: }
! 498: }
! 499: tty_putcode(tty, TTYC_SMSO);
! 500: }
! 501:
! 502: void
! 503: tty_set_title(struct tty *tty, const char *title)
! 504: {
! 505: if (!tty_term_has(tty->term, TTYC_TSL) ||
! 506: !tty_term_has(tty->term, TTYC_FSL))
! 507: return;
! 508:
! 509: tty_putcode(tty, TTYC_TSL);
! 510: tty_puts(tty, title);
! 511: tty_putcode(tty, TTYC_FSL);
! 512: }
! 513:
! 514: static void
! 515: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
! 516: {
! 517: if (*ccolour == '\0')
! 518: tty_putcode(tty, TTYC_CR);
! 519: else
! 520: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
! 521: free(tty->ccolour);
! 522: tty->ccolour = xstrdup(ccolour);
! 523: }
! 524:
! 525: void
! 526: tty_update_mode(struct tty *tty, int mode, struct screen *s)
! 527: {
! 528: int changed;
! 529:
! 530: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
! 531: tty_force_cursor_colour(tty, s->ccolour);
! 532:
! 533: if (tty->flags & TTY_NOCURSOR)
! 534: mode &= ~MODE_CURSOR;
! 535:
! 536: changed = mode ^ tty->mode;
! 537: if (changed & MODE_BLINKING) {
! 538: if (tty_term_has(tty->term, TTYC_CVVIS))
! 539: tty_putcode(tty, TTYC_CVVIS);
! 540: else
! 541: tty_putcode(tty, TTYC_CNORM);
! 542: changed |= MODE_CURSOR;
! 543: }
! 544: if (changed & MODE_CURSOR) {
! 545: if (mode & MODE_CURSOR)
! 546: tty_putcode(tty, TTYC_CNORM);
! 547: else
! 548: tty_putcode(tty, TTYC_CIVIS);
! 549: }
! 550: if (s != NULL && tty->cstyle != s->cstyle) {
! 551: if (tty_term_has(tty->term, TTYC_SS)) {
! 552: if (s->cstyle == 0 &&
! 553: tty_term_has(tty->term, TTYC_SE))
! 554: tty_putcode(tty, TTYC_SE);
! 555: else
! 556: tty_putcode1(tty, TTYC_SS, s->cstyle);
! 557: }
! 558: tty->cstyle = s->cstyle;
! 559: }
! 560: if (changed & ALL_MOUSE_MODES) {
! 561: if (mode & ALL_MOUSE_MODES) {
! 562: /*
! 563: * Enable the SGR (1006) extension unconditionally, as
! 564: * it is safe from misinterpretation.
! 565: */
! 566: tty_puts(tty, "\033[?1006h");
! 567: if (mode & MODE_MOUSE_ALL)
! 568: tty_puts(tty, "\033[?1003h");
! 569: else if (mode & MODE_MOUSE_BUTTON)
! 570: tty_puts(tty, "\033[?1002h");
! 571: else if (mode & MODE_MOUSE_STANDARD)
! 572: tty_puts(tty, "\033[?1000h");
! 573: } else {
! 574: if (tty->mode & MODE_MOUSE_ALL)
! 575: tty_puts(tty, "\033[?1003l");
! 576: else if (tty->mode & MODE_MOUSE_BUTTON)
! 577: tty_puts(tty, "\033[?1002l");
! 578: else if (tty->mode & MODE_MOUSE_STANDARD)
! 579: tty_puts(tty, "\033[?1000l");
! 580: tty_puts(tty, "\033[?1006l");
! 581: }
! 582: }
! 583: if (changed & MODE_BRACKETPASTE) {
! 584: if (mode & MODE_BRACKETPASTE)
! 585: tty_puts(tty, "\033[?2004h");
! 586: else
! 587: tty_puts(tty, "\033[?2004l");
! 588: }
! 589: tty->mode = mode;
! 590: }
! 591:
! 592: static void
! 593: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
! 594: enum tty_code_code code1, u_int n)
! 595: {
! 596: if (tty_term_has(tty->term, code))
! 597: tty_putcode1(tty, code, n);
! 598: else {
! 599: while (n-- > 0)
! 600: tty_putcode(tty, code1);
! 601: }
! 602: }
! 603:
! 604: static void
! 605: tty_repeat_space(struct tty *tty, u_int n)
! 606: {
! 607: static char s[500];
! 608:
! 609: if (*s != ' ')
! 610: memset(s, ' ', sizeof s);
! 611:
! 612: while (n > sizeof s) {
! 613: tty_putn(tty, s, sizeof s, sizeof s);
! 614: n -= sizeof s;
! 615: }
! 616: if (n != 0)
! 617: tty_putn(tty, s, n, n);
! 618: }
! 619:
! 620: /*
! 621: * Is the region large enough to be worth redrawing once later rather than
! 622: * probably several times now? Currently yes if it is more than 50% of the
! 623: * pane.
! 624: */
! 625: static int
! 626: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
! 627: {
! 628: struct window_pane *wp = ctx->wp;
! 629:
! 630: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
! 631: }
! 632:
! 633: /*
! 634: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
! 635: * emulated.
! 636: */
! 637: static int
! 638: tty_fake_bce(const struct tty *tty, const struct window_pane *wp, u_int bg)
! 639: {
! 640: struct grid_cell gc;
! 641:
! 642: if (tty_term_flag(tty->term, TTYC_BCE))
! 643: return (0);
! 644:
! 645: memcpy(&gc, &grid_default_cell, sizeof gc);
! 646: if (wp != NULL)
! 647: tty_default_colours(&gc, wp);
! 648:
! 649: if (bg != 8 || gc.bg != 8)
! 650: return (1);
! 651: return (0);
! 652: }
! 653:
! 654: /*
! 655: * Redraw scroll region using data from screen (already updated). Used when
! 656: * CSR not supported, or window is a pane that doesn't take up the full
! 657: * width of the terminal.
! 658: */
! 659: static void
! 660: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
! 661: {
! 662: struct window_pane *wp = ctx->wp;
! 663: struct screen *s = wp->screen;
! 664: u_int i;
! 665:
! 666: /*
! 667: * If region is large, schedule a window redraw. In most cases this is
! 668: * likely to be followed by some more scrolling.
! 669: */
! 670: if (tty_large_region(tty, ctx)) {
! 671: wp->flags |= PANE_REDRAW;
! 672: return;
! 673: }
! 674:
! 675: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
! 676: for (i = ctx->ocy; i < screen_size_y(s); i++)
! 677: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
! 678: } else {
! 679: for (i = ctx->orupper; i <= ctx->orlower; i++)
! 680: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
! 681: }
! 682: }
! 683:
! 684: void
! 685: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
! 686: u_int oy)
! 687: {
! 688: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
! 689: }
! 690:
! 691: void
! 692: tty_draw_line(struct tty *tty, const struct window_pane *wp,
! 693: struct screen *s, u_int py, u_int ox, u_int oy)
! 694: {
! 695: struct grid_cell gc, last;
! 696: u_int i, j, sx, width;
! 697: int flags, cleared = 0;
! 698: char buf[512];
! 699: size_t len;
! 700:
! 701: flags = (tty->flags & TTY_NOCURSOR);
! 702: tty->flags |= TTY_NOCURSOR;
! 703: tty_update_mode(tty, tty->mode, s);
! 704:
! 705: tty_region_off(tty);
! 706: tty_margin_off(tty);
! 707:
! 708: sx = screen_size_x(s);
! 709: if (sx > s->grid->linedata[s->grid->hsize + py].cellused)
! 710: sx = s->grid->linedata[s->grid->hsize + py].cellused;
! 711: if (sx > tty->sx)
! 712: sx = tty->sx;
! 713:
! 714: if (screen_size_x(s) < tty->sx &&
! 715: ox == 0 &&
! 716: sx != screen_size_x(s) &&
! 717: tty_term_has(tty->term, TTYC_EL1) &&
! 718: !tty_fake_bce(tty, wp, 8)) {
! 719: tty_default_attributes(tty, wp, 8);
! 720: tty_cursor(tty, screen_size_x(s) - 1, oy + py);
! 721: tty_putcode(tty, TTYC_EL1);
! 722: cleared = 1;
! 723: }
! 724: if (sx != 0)
! 725: tty_cursor(tty, ox, oy + py);
! 726:
! 727: memcpy(&last, &grid_default_cell, sizeof last);
! 728: len = 0;
! 729: width = 0;
! 730:
! 731: for (i = 0; i < sx; i++) {
! 732: grid_view_get_cell(s->grid, i, py, &gc);
! 733: if (len != 0 &&
! 734: (((~tty->flags & TTY_UTF8) &&
! 735: (gc.data.size != 1 ||
! 736: *gc.data.data >= 0x7f ||
! 737: gc.data.width != 1)) ||
! 738: (gc.attr & GRID_ATTR_CHARSET) ||
! 739: gc.flags != last.flags ||
! 740: gc.attr != last.attr ||
! 741: gc.fg != last.fg ||
! 742: gc.bg != last.bg ||
! 743: (sizeof buf) - len < gc.data.size)) {
! 744: tty_attributes(tty, &last, wp);
! 745: tty_putn(tty, buf, len, width);
! 746:
! 747: len = 0;
! 748: width = 0;
! 749: }
! 750:
! 751: if (gc.flags & GRID_FLAG_SELECTED)
! 752: screen_select_cell(s, &last, &gc);
! 753: else
! 754: memcpy(&last, &gc, sizeof last);
! 755: if (((~tty->flags & TTY_UTF8) &&
! 756: (gc.data.size != 1 ||
! 757: *gc.data.data >= 0x7f ||
! 758: gc.data.width != 1)) ||
! 759: (gc.attr & GRID_ATTR_CHARSET)) {
! 760: tty_attributes(tty, &last, wp);
! 761: if (~tty->flags & TTY_UTF8) {
! 762: for (j = 0; j < gc.data.width; j++)
! 763: tty_putc(tty, '_');
! 764: } else {
! 765: for (j = 0; j < gc.data.size; j++)
! 766: tty_putc(tty, gc.data.data[j]);
! 767: }
! 768: } else {
! 769: memcpy(buf + len, gc.data.data, gc.data.size);
! 770: len += gc.data.size;
! 771: width += gc.data.width;
! 772: }
! 773: }
! 774: if (len != 0) {
! 775: tty_attributes(tty, &last, wp);
! 776: tty_putn(tty, buf, len, width);
! 777: }
! 778:
! 779: if (!cleared && sx < tty->sx) {
! 780: tty_default_attributes(tty, wp, 8);
! 781: tty_cursor(tty, ox + sx, oy + py);
! 782: if (sx != screen_size_x(s) &&
! 783: ox + screen_size_x(s) >= tty->sx &&
! 784: tty_term_has(tty->term, TTYC_EL) &&
! 785: !tty_fake_bce(tty, wp, 8))
! 786: tty_putcode(tty, TTYC_EL);
! 787: else
! 788: tty_repeat_space(tty, screen_size_x(s) - sx);
! 789: }
! 790:
! 791: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
! 792: tty_update_mode(tty, tty->mode, s);
! 793: }
! 794:
! 795: static int
! 796: tty_client_ready(struct client *c, struct window_pane *wp)
! 797: {
! 798: if (c->session == NULL || c->tty.term == NULL)
! 799: return (0);
! 800: if (c->flags & (CLIENT_REDRAW|CLIENT_SUSPENDED))
! 801: return (0);
! 802: if (c->tty.flags & TTY_FREEZE)
! 803: return (0);
! 804: if (c->session->curw->window != wp->window)
! 805: return (0);
! 806: return (1);
! 807: }
! 808:
! 809: void
! 810: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
! 811: struct tty_ctx *ctx)
! 812: {
! 813: struct window_pane *wp = ctx->wp;
! 814: struct client *c;
! 815:
! 816: /* wp can be NULL if updating the screen but not the terminal. */
! 817: if (wp == NULL)
! 818: return;
! 819:
! 820: if ((wp->flags & (PANE_REDRAW|PANE_DROP)) || !window_pane_visible(wp))
! 821: return;
! 822:
! 823: TAILQ_FOREACH(c, &clients, entry) {
! 824: if (!tty_client_ready(c, wp))
! 825: continue;
! 826:
! 827: ctx->xoff = wp->xoff;
! 828: ctx->yoff = wp->yoff;
! 829: if (status_at_line(c) == 0)
! 830: ctx->yoff++;
! 831:
! 832: cmdfn(&c->tty, ctx);
! 833: }
! 834: }
! 835:
! 836: void
! 837: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
! 838: {
! 839: struct window_pane *wp = ctx->wp;
! 840:
! 841: if (!tty_pane_full_width(tty, ctx) ||
! 842: tty_fake_bce(tty, wp, ctx->bg) ||
! 843: (!tty_term_has(tty->term, TTYC_ICH) &&
! 844: !tty_term_has(tty->term, TTYC_ICH1))) {
! 845: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
! 846: return;
! 847: }
! 848:
! 849: tty_default_attributes(tty, wp, ctx->bg);
! 850:
! 851: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
! 852:
! 853: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
! 854: }
! 855:
! 856: void
! 857: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
! 858: {
! 859: struct window_pane *wp = ctx->wp;
! 860:
! 861: if (!tty_pane_full_width(tty, ctx) ||
! 862: tty_fake_bce(tty, wp, ctx->bg) ||
! 863: (!tty_term_has(tty->term, TTYC_DCH) &&
! 864: !tty_term_has(tty->term, TTYC_DCH1))) {
! 865: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
! 866: return;
! 867: }
! 868:
! 869: tty_default_attributes(tty, wp, ctx->bg);
! 870:
! 871: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
! 872:
! 873: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
! 874: }
! 875:
! 876: void
! 877: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
! 878: {
! 879: tty_attributes(tty, &grid_default_cell, ctx->wp);
! 880:
! 881: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
! 882:
! 883: if (tty_term_has(tty->term, TTYC_ECH) &&
! 884: !tty_fake_bce(tty, ctx->wp, 8))
! 885: tty_putcode1(tty, TTYC_ECH, ctx->num);
! 886: else
! 887: tty_repeat_space(tty, ctx->num);
! 888: }
! 889:
! 890: void
! 891: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
! 892: {
! 893: if (!tty_pane_full_width(tty, ctx) ||
! 894: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
! 895: !tty_term_has(tty->term, TTYC_CSR) ||
! 896: !tty_term_has(tty->term, TTYC_IL1)) {
! 897: tty_redraw_region(tty, ctx);
! 898: return;
! 899: }
! 900:
! 901: tty_default_attributes(tty, ctx->wp, ctx->bg);
! 902:
! 903: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
! 904: tty_margin_off(tty);
! 905: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
! 906:
! 907: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
! 908: }
! 909:
! 910: void
! 911: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
! 912: {
! 913: if (!tty_pane_full_width(tty, ctx) ||
! 914: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
! 915: !tty_term_has(tty->term, TTYC_CSR) ||
! 916: !tty_term_has(tty->term, TTYC_DL1)) {
! 917: tty_redraw_region(tty, ctx);
! 918: return;
! 919: }
! 920:
! 921: tty_default_attributes(tty, ctx->wp, ctx->bg);
! 922:
! 923: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
! 924: tty_margin_off(tty);
! 925: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
! 926:
! 927: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
! 928: }
! 929:
! 930: void
! 931: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
! 932: {
! 933: struct window_pane *wp = ctx->wp;
! 934: struct screen *s = wp->screen;
! 935: u_int sx = screen_size_x(s);
! 936:
! 937: tty_default_attributes(tty, wp, ctx->bg);
! 938:
! 939: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
! 940:
! 941: if (tty_pane_full_width(tty, ctx) &&
! 942: !tty_fake_bce(tty, wp, ctx->bg) &&
! 943: tty_term_has(tty->term, TTYC_EL))
! 944: tty_putcode(tty, TTYC_EL);
! 945: else
! 946: tty_repeat_space(tty, sx);
! 947: }
! 948:
! 949: void
! 950: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
! 951: {
! 952: struct window_pane *wp = ctx->wp;
! 953: struct screen *s = wp->screen;
! 954: u_int sx = screen_size_x(s);
! 955:
! 956: tty_default_attributes(tty, wp, ctx->bg);
! 957:
! 958: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
! 959:
! 960: if (tty_pane_full_width(tty, ctx) &&
! 961: tty_term_has(tty->term, TTYC_EL) &&
! 962: !tty_fake_bce(tty, wp, ctx->bg))
! 963: tty_putcode(tty, TTYC_EL);
! 964: else
! 965: tty_repeat_space(tty, sx - ctx->ocx);
! 966: }
! 967:
! 968: void
! 969: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
! 970: {
! 971: struct window_pane *wp = ctx->wp;
! 972:
! 973: tty_default_attributes(tty, wp, ctx->bg);
! 974:
! 975: if (ctx->xoff == 0 &&
! 976: tty_term_has(tty->term, TTYC_EL1) &&
! 977: !tty_fake_bce(tty, ctx->wp, ctx->bg)) {
! 978: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
! 979: tty_putcode(tty, TTYC_EL1);
! 980: } else {
! 981: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
! 982: tty_repeat_space(tty, ctx->ocx + 1);
! 983: }
! 984: }
! 985:
! 986: void
! 987: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
! 988: {
! 989: if (ctx->ocy != ctx->orupper)
! 990: return;
! 991:
! 992: if (!tty_pane_full_width(tty, ctx) ||
! 993: tty_fake_bce(tty, ctx->wp, 8) ||
! 994: !tty_term_has(tty->term, TTYC_CSR) ||
! 995: !tty_term_has(tty->term, TTYC_RI)) {
! 996: tty_redraw_region(tty, ctx);
! 997: return;
! 998: }
! 999:
! 1000: tty_attributes(tty, &grid_default_cell, ctx->wp);
! 1001:
! 1002: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
! 1003: tty_margin_off(tty);
! 1004: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
! 1005:
! 1006: tty_putcode(tty, TTYC_RI);
! 1007: }
! 1008:
! 1009: void
! 1010: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
! 1011: {
! 1012: struct window_pane *wp = ctx->wp;
! 1013:
! 1014: if (ctx->ocy != ctx->orlower)
! 1015: return;
! 1016:
! 1017: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
! 1018: tty_fake_bce(tty, wp, 8) ||
! 1019: !tty_term_has(tty->term, TTYC_CSR)) {
! 1020: tty_redraw_region(tty, ctx);
! 1021: return;
! 1022: }
! 1023:
! 1024: tty_attributes(tty, &grid_default_cell, wp);
! 1025:
! 1026: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
! 1027: tty_margin_pane(tty, ctx);
! 1028:
! 1029: /*
! 1030: * If we want to wrap a pane, the cursor needs to be exactly on the
! 1031: * right of the region. But if the pane isn't on the right, it may be
! 1032: * off the edge - if so, move the cursor back to the right.
! 1033: */
! 1034: if (ctx->xoff + ctx->ocx > tty->rright)
! 1035: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
! 1036: else
! 1037: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
! 1038:
! 1039: tty_putc(tty, '\n');
! 1040: }
! 1041:
! 1042: void
! 1043: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
! 1044: {
! 1045: struct window_pane *wp = ctx->wp;
! 1046: u_int i;
! 1047:
! 1048: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
! 1049: tty_fake_bce(tty, wp, 8) ||
! 1050: !tty_term_has(tty->term, TTYC_CSR)) {
! 1051: tty_redraw_region(tty, ctx);
! 1052: return;
! 1053: }
! 1054:
! 1055: tty_attributes(tty, &grid_default_cell, wp);
! 1056:
! 1057: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
! 1058: tty_margin_pane(tty, ctx);
! 1059:
! 1060: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
! 1061: tty_cursor(tty, tty->rright, tty->rlower);
! 1062: for (i = 0; i < ctx->num; i++)
! 1063: tty_putc(tty, '\n');
! 1064: } else
! 1065: tty_putcode1(tty, TTYC_INDN, ctx->num);
! 1066: }
! 1067:
! 1068: void
! 1069: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
! 1070: {
! 1071: struct window_pane *wp = ctx->wp;
! 1072: struct screen *s = wp->screen;
! 1073: u_int i, j;
! 1074: u_int sx = screen_size_x(s), sy = screen_size_y(s);
! 1075:
! 1076: tty_default_attributes(tty, wp, ctx->bg);
! 1077:
! 1078: tty_region_pane(tty, ctx, 0, sy - 1);
! 1079: tty_margin_off(tty);
! 1080:
! 1081: if (tty_pane_full_width(tty, ctx) &&
! 1082: ctx->yoff + wp->sy >= tty->sy - 1 &&
! 1083: status_at_line(tty->client) <= 0 &&
! 1084: tty_term_has(tty->term, TTYC_ED)) {
! 1085: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
! 1086: tty_putcode(tty, TTYC_ED);
! 1087: } else if (tty_pane_full_width(tty, ctx) &&
! 1088: tty_term_has(tty->term, TTYC_EL) &&
! 1089: !tty_fake_bce(tty, wp, ctx->bg)) {
! 1090: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
! 1091: tty_putcode(tty, TTYC_EL);
! 1092: if (ctx->ocy != sy - 1) {
! 1093: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
! 1094: for (i = ctx->ocy + 1; i < sy; i++) {
! 1095: tty_putcode(tty, TTYC_EL);
! 1096: if (i == sy - 1)
! 1097: continue;
! 1098: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
! 1099: tty->cy++;
! 1100: }
! 1101: }
! 1102: } else {
! 1103: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
! 1104: tty_repeat_space(tty, sx - ctx->ocx);
! 1105: for (j = ctx->ocy + 1; j < sy; j++) {
! 1106: tty_cursor_pane(tty, ctx, 0, j);
! 1107: tty_repeat_space(tty, sx);
! 1108: }
! 1109: }
! 1110: }
! 1111:
! 1112: void
! 1113: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
! 1114: {
! 1115: struct window_pane *wp = ctx->wp;
! 1116: struct screen *s = wp->screen;
! 1117: u_int i, j;
! 1118: u_int sx = screen_size_x(s), sy = screen_size_y(s);
! 1119:
! 1120: tty_default_attributes(tty, wp, ctx->bg);
! 1121:
! 1122: tty_region_pane(tty, ctx, 0, sy - 1);
! 1123: tty_margin_off(tty);
! 1124:
! 1125: if (tty_pane_full_width(tty, ctx) &&
! 1126: tty_term_has(tty->term, TTYC_EL) &&
! 1127: !tty_fake_bce(tty, wp, ctx->bg)) {
! 1128: tty_cursor_pane(tty, ctx, 0, 0);
! 1129: for (i = 0; i < ctx->ocy; i++) {
! 1130: tty_putcode(tty, TTYC_EL);
! 1131: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
! 1132: tty->cy++;
! 1133: }
! 1134: } else {
! 1135: tty_cursor_pane(tty, ctx, 0, 0);
! 1136: for (j = 0; j < ctx->ocy; j++) {
! 1137: tty_cursor_pane(tty, ctx, 0, j);
! 1138: tty_repeat_space(tty, sx);
! 1139: }
! 1140: }
! 1141: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
! 1142: tty_repeat_space(tty, ctx->ocx + 1);
! 1143: }
! 1144:
! 1145: void
! 1146: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
! 1147: {
! 1148: struct window_pane *wp = ctx->wp;
! 1149: struct screen *s = wp->screen;
! 1150: u_int i, j;
! 1151: u_int sx = screen_size_x(s), sy = screen_size_y(s);
! 1152:
! 1153: tty_default_attributes(tty, wp, ctx->bg);
! 1154:
! 1155: tty_region_pane(tty, ctx, 0, sy - 1);
! 1156: tty_margin_off(tty);
! 1157:
! 1158: if (tty_pane_full_width(tty, ctx) &&
! 1159: status_at_line(tty->client) <= 0 &&
! 1160: tty_term_has(tty->term, TTYC_ED)) {
! 1161: tty_cursor_pane(tty, ctx, 0, 0);
! 1162: tty_putcode(tty, TTYC_ED);
! 1163: } else if (tty_pane_full_width(tty, ctx) &&
! 1164: tty_term_has(tty->term, TTYC_EL) &&
! 1165: !tty_fake_bce(tty, wp, ctx->bg)) {
! 1166: tty_cursor_pane(tty, ctx, 0, 0);
! 1167: for (i = 0; i < sy; i++) {
! 1168: tty_putcode(tty, TTYC_EL);
! 1169: if (i != sy - 1) {
! 1170: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
! 1171: tty->cy++;
! 1172: }
! 1173: }
! 1174: } else {
! 1175: tty_cursor_pane(tty, ctx, 0, 0);
! 1176: for (j = 0; j < sy; j++) {
! 1177: tty_cursor_pane(tty, ctx, 0, j);
! 1178: tty_repeat_space(tty, sx);
! 1179: }
! 1180: }
! 1181: }
! 1182:
! 1183: void
! 1184: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
! 1185: {
! 1186: struct window_pane *wp = ctx->wp;
! 1187: struct screen *s = wp->screen;
! 1188: u_int i, j;
! 1189:
! 1190: tty_attributes(tty, &grid_default_cell, wp);
! 1191:
! 1192: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
! 1193: tty_margin_off(tty);
! 1194:
! 1195: for (j = 0; j < screen_size_y(s); j++) {
! 1196: tty_cursor_pane(tty, ctx, 0, j);
! 1197: for (i = 0; i < screen_size_x(s); i++)
! 1198: tty_putc(tty, 'E');
! 1199: }
! 1200: }
! 1201:
! 1202: void
! 1203: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
! 1204: {
! 1205: if (ctx->xoff + ctx->ocx > tty->sx - 1 && ctx->ocy == ctx->orlower) {
! 1206: if (tty_pane_full_width(tty, ctx))
! 1207: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
! 1208: else
! 1209: tty_margin_off(tty);
! 1210: }
! 1211:
! 1212: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
! 1213:
! 1214: tty_cell(tty, ctx->cell, ctx->wp);
! 1215: }
! 1216:
! 1217: void
! 1218: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
! 1219: {
! 1220: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
! 1221:
! 1222: tty_attributes(tty, ctx->cell, ctx->wp);
! 1223: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
! 1224: }
! 1225:
! 1226: void
! 1227: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
! 1228: {
! 1229: char *buf;
! 1230: size_t off;
! 1231:
! 1232: if (!tty_term_has(tty->term, TTYC_MS))
! 1233: return;
! 1234:
! 1235: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
! 1236: buf = xmalloc(off);
! 1237:
! 1238: b64_ntop(ctx->ptr, ctx->num, buf, off);
! 1239: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
! 1240:
! 1241: free(buf);
! 1242: }
! 1243:
! 1244: void
! 1245: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
! 1246: {
! 1247: tty_add(tty, ctx->ptr, ctx->num);
! 1248: tty_invalidate(tty);
! 1249: }
! 1250:
! 1251: static void
! 1252: tty_cell(struct tty *tty, const struct grid_cell *gc,
! 1253: const struct window_pane *wp)
! 1254: {
! 1255: u_int i;
! 1256:
! 1257: /* Skip last character if terminal is stupid. */
! 1258: if ((tty->term->flags & TERM_EARLYWRAP) &&
! 1259: tty->cy == tty->sy - 1 &&
! 1260: tty->cx == tty->sx - 1)
! 1261: return;
! 1262:
! 1263: /* If this is a padding character, do nothing. */
! 1264: if (gc->flags & GRID_FLAG_PADDING)
! 1265: return;
! 1266:
! 1267: /* Set the attributes. */
! 1268: tty_attributes(tty, gc, wp);
! 1269:
! 1270: /* Get the cell and if ASCII write with putc to do ACS translation. */
! 1271: if (gc->data.size == 1) {
! 1272: if (*gc->data.data < 0x20 || *gc->data.data == 0x7f)
! 1273: return;
! 1274: tty_putc(tty, *gc->data.data);
! 1275: return;
! 1276: }
! 1277:
! 1278: /* If not UTF-8, write _. */
! 1279: if (!(tty->flags & TTY_UTF8)) {
! 1280: for (i = 0; i < gc->data.width; i++)
! 1281: tty_putc(tty, '_');
! 1282: return;
! 1283: }
! 1284:
! 1285: /* Write the data. */
! 1286: tty_putn(tty, gc->data.data, gc->data.size, gc->data.width);
! 1287: }
! 1288:
! 1289: void
! 1290: tty_reset(struct tty *tty)
! 1291: {
! 1292: struct grid_cell *gc = &tty->cell;
! 1293:
! 1294: if (!grid_cells_equal(gc, &grid_default_cell)) {
! 1295: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
! 1296: tty_putcode(tty, TTYC_RMACS);
! 1297: tty_putcode(tty, TTYC_SGR0);
! 1298: memcpy(gc, &grid_default_cell, sizeof *gc);
! 1299: }
! 1300:
! 1301: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
! 1302: tty->last_wp = -1;
! 1303: }
! 1304:
! 1305: static void
! 1306: tty_invalidate(struct tty *tty)
! 1307: {
! 1308: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
! 1309:
! 1310: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
! 1311: tty->last_wp = -1;
! 1312:
! 1313: tty->cx = tty->cy = UINT_MAX;
! 1314:
! 1315: tty->rupper = tty->rleft = UINT_MAX;
! 1316: tty->rlower = tty->rright = UINT_MAX;
! 1317:
! 1318: if (tty->flags & TTY_STARTED) {
! 1319: tty_putcode(tty, TTYC_SGR0);
! 1320:
! 1321: tty->mode = ALL_MODES;
! 1322: tty_update_mode(tty, MODE_CURSOR, NULL);
! 1323:
! 1324: tty_cursor(tty, 0, 0);
! 1325: tty_region_off(tty);
! 1326: tty_margin_off(tty);
! 1327: } else
! 1328: tty->mode = MODE_CURSOR;
! 1329: }
! 1330:
! 1331: /* Turn off margin. */
! 1332: void
! 1333: tty_region_off(struct tty *tty)
! 1334: {
! 1335: tty_region(tty, 0, tty->sy - 1);
! 1336: }
! 1337:
! 1338: /* Set region inside pane. */
! 1339: static void
! 1340: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
! 1341: u_int rlower)
! 1342: {
! 1343: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
! 1344: }
! 1345:
! 1346: /* Set region at absolute position. */
! 1347: static void
! 1348: tty_region(struct tty *tty, u_int rupper, u_int rlower)
! 1349: {
! 1350: if (tty->rlower == rlower && tty->rupper == rupper)
! 1351: return;
! 1352: if (!tty_term_has(tty->term, TTYC_CSR))
! 1353: return;
! 1354:
! 1355: tty->rupper = rupper;
! 1356: tty->rlower = rlower;
! 1357:
! 1358: /*
! 1359: * Some terminals (such as PuTTY) do not correctly reset the cursor to
! 1360: * 0,0 if it is beyond the last column (they do not reset their wrap
! 1361: * flag so further output causes a line feed). As a workaround, do an
! 1362: * explicit move to 0 first.
! 1363: */
! 1364: if (tty->cx >= tty->sx)
! 1365: tty_cursor(tty, 0, tty->cy);
! 1366:
! 1367: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
! 1368: tty->cx = tty->cy = UINT_MAX;
! 1369: }
! 1370:
! 1371: /* Turn off margin. */
! 1372: void
! 1373: tty_margin_off(struct tty *tty)
! 1374: {
! 1375: tty_margin(tty, 0, tty->sx - 1);
! 1376: }
! 1377:
! 1378: /* Set margin inside pane. */
! 1379: static void
! 1380: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
! 1381: {
! 1382: tty_margin(tty, ctx->xoff, ctx->xoff + ctx->wp->sx - 1);
! 1383: }
! 1384:
! 1385: /* Set margin at absolute position. */
! 1386: static void
! 1387: tty_margin(struct tty *tty, u_int rleft, u_int rright)
! 1388: {
! 1389: char s[64];
! 1390:
! 1391: if (!tty_use_margin(tty))
! 1392: return;
! 1393: if (tty->rleft == rleft && tty->rright == rright)
! 1394: return;
! 1395:
! 1396: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
! 1397:
! 1398: tty->rleft = rleft;
! 1399: tty->rright = rright;
! 1400:
! 1401: if (rleft == 0 && rright == tty->sx - 1)
! 1402: snprintf(s, sizeof s, "\033[s");
! 1403: else
! 1404: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
! 1405: tty_puts(tty, s);
! 1406: tty->cx = tty->cy = UINT_MAX;
! 1407: }
! 1408:
! 1409: /*
! 1410: * Move the cursor, unless it would wrap itself when the next character is
! 1411: * printed.
! 1412: */
! 1413: static void
! 1414: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
! 1415: u_int cx, u_int cy)
! 1416: {
! 1417: if (!tty_pane_full_width(tty, ctx) ||
! 1418: (tty->term->flags & TERM_EARLYWRAP) ||
! 1419: ctx->xoff + cx != 0 ||
! 1420: ctx->yoff + cy != tty->cy + 1 ||
! 1421: tty->cx < tty->sx ||
! 1422: tty->cy == tty->rlower)
! 1423: tty_cursor_pane(tty, ctx, cx, cy);
! 1424: else
! 1425: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
! 1426: }
! 1427:
! 1428: /* Move cursor inside pane. */
! 1429: static void
! 1430: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
! 1431: {
! 1432: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
! 1433: }
! 1434:
! 1435: /* Move cursor to absolute position. */
! 1436: void
! 1437: tty_cursor(struct tty *tty, u_int cx, u_int cy)
! 1438: {
! 1439: struct tty_term *term = tty->term;
! 1440: u_int thisx, thisy;
! 1441: int change;
! 1442:
! 1443: if (cx > tty->sx - 1)
! 1444: cx = tty->sx - 1;
! 1445:
! 1446: thisx = tty->cx;
! 1447: thisy = tty->cy;
! 1448:
! 1449: /* No change. */
! 1450: if (cx == thisx && cy == thisy)
! 1451: return;
! 1452:
! 1453: /* Very end of the line, just use absolute movement. */
! 1454: if (thisx > tty->sx - 1)
! 1455: goto absolute;
! 1456:
! 1457: /* Move to home position (0, 0). */
! 1458: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
! 1459: tty_putcode(tty, TTYC_HOME);
! 1460: goto out;
! 1461: }
! 1462:
! 1463: /* Zero on the next line. */
! 1464: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
! 1465: tty_putc(tty, '\r');
! 1466: tty_putc(tty, '\n');
! 1467: goto out;
! 1468: }
! 1469:
! 1470: /* Moving column or row. */
! 1471: if (cy == thisy) {
! 1472: /*
! 1473: * Moving column only, row staying the same.
! 1474: */
! 1475:
! 1476: /* To left edge. */
! 1477: if (cx == 0) {
! 1478: tty_putc(tty, '\r');
! 1479: goto out;
! 1480: }
! 1481:
! 1482: /* One to the left. */
! 1483: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
! 1484: tty_putcode(tty, TTYC_CUB1);
! 1485: goto out;
! 1486: }
! 1487:
! 1488: /* One to the right. */
! 1489: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
! 1490: tty_putcode(tty, TTYC_CUF1);
! 1491: goto out;
! 1492: }
! 1493:
! 1494: /* Calculate difference. */
! 1495: change = thisx - cx; /* +ve left, -ve right */
! 1496:
! 1497: /*
! 1498: * Use HPA if change is larger than absolute, otherwise move
! 1499: * the cursor with CUB/CUF.
! 1500: */
! 1501: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
! 1502: tty_putcode1(tty, TTYC_HPA, cx);
! 1503: goto out;
! 1504: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
! 1505: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
! 1506: tty_putcode(tty, TTYC_CUB1);
! 1507: tty_putcode(tty, TTYC_CUB1);
! 1508: goto out;
! 1509: }
! 1510: tty_putcode1(tty, TTYC_CUB, change);
! 1511: goto out;
! 1512: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
! 1513: tty_putcode1(tty, TTYC_CUF, -change);
! 1514: goto out;
! 1515: }
! 1516: } else if (cx == thisx) {
! 1517: /*
! 1518: * Moving row only, column staying the same.
! 1519: */
! 1520:
! 1521: /* One above. */
! 1522: if (thisy != tty->rupper &&
! 1523: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
! 1524: tty_putcode(tty, TTYC_CUU1);
! 1525: goto out;
! 1526: }
! 1527:
! 1528: /* One below. */
! 1529: if (thisy != tty->rlower &&
! 1530: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
! 1531: tty_putcode(tty, TTYC_CUD1);
! 1532: goto out;
! 1533: }
! 1534:
! 1535: /* Calculate difference. */
! 1536: change = thisy - cy; /* +ve up, -ve down */
! 1537:
! 1538: /*
! 1539: * Try to use VPA if change is larger than absolute or if this
! 1540: * change would cross the scroll region, otherwise use CUU/CUD.
! 1541: */
! 1542: if ((u_int) abs(change) > cy ||
! 1543: (change < 0 && cy - change > tty->rlower) ||
! 1544: (change > 0 && cy - change < tty->rupper)) {
! 1545: if (tty_term_has(term, TTYC_VPA)) {
! 1546: tty_putcode1(tty, TTYC_VPA, cy);
! 1547: goto out;
! 1548: }
! 1549: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
! 1550: tty_putcode1(tty, TTYC_CUU, change);
! 1551: goto out;
! 1552: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
! 1553: tty_putcode1(tty, TTYC_CUD, -change);
! 1554: goto out;
! 1555: }
! 1556: }
! 1557:
! 1558: absolute:
! 1559: /* Absolute movement. */
! 1560: tty_putcode2(tty, TTYC_CUP, cy, cx);
! 1561:
! 1562: out:
! 1563: tty->cx = cx;
! 1564: tty->cy = cy;
! 1565: }
! 1566:
! 1567: void
! 1568: tty_attributes(struct tty *tty, const struct grid_cell *gc,
! 1569: const struct window_pane *wp)
! 1570: {
! 1571: struct grid_cell *tc = &tty->cell, gc2;
! 1572: int changed;
! 1573:
! 1574: /* Ignore cell if it is the same as the last one. */
! 1575: if (wp != NULL &&
! 1576: (int)wp->id == tty->last_wp &&
! 1577: ~(wp->window->flags & WINDOW_STYLECHANGED) &&
! 1578: gc->attr == tty->last_cell.attr &&
! 1579: gc->fg == tty->last_cell.fg &&
! 1580: gc->bg == tty->last_cell.bg)
! 1581: return;
! 1582: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
! 1583: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
! 1584:
! 1585: /* Copy cell and update default colours. */
! 1586: memcpy(&gc2, gc, sizeof gc2);
! 1587: if (wp != NULL)
! 1588: tty_default_colours(&gc2, wp);
! 1589:
! 1590: /*
! 1591: * If no setab, try to use the reverse attribute as a best-effort for a
! 1592: * non-default background. This is a bit of a hack but it doesn't do
! 1593: * any serious harm and makes a couple of applications happier.
! 1594: */
! 1595: if (!tty_term_has(tty->term, TTYC_SETAB)) {
! 1596: if (gc2.attr & GRID_ATTR_REVERSE) {
! 1597: if (gc2.fg != 7 && gc2.fg != 8)
! 1598: gc2.attr &= ~GRID_ATTR_REVERSE;
! 1599: } else {
! 1600: if (gc2.bg != 0 && gc2.bg != 8)
! 1601: gc2.attr |= GRID_ATTR_REVERSE;
! 1602: }
! 1603: }
! 1604:
! 1605: /* Fix up the colours if necessary. */
! 1606: tty_check_fg(tty, wp, &gc2);
! 1607: tty_check_bg(tty, wp, &gc2);
! 1608:
! 1609: /* If any bits are being cleared, reset everything. */
! 1610: if (tc->attr & ~gc2.attr)
! 1611: tty_reset(tty);
! 1612:
! 1613: /*
! 1614: * Set the colours. This may call tty_reset() (so it comes next) and
! 1615: * may add to (NOT remove) the desired attributes by changing new_attr.
! 1616: */
! 1617: tty_colours(tty, &gc2);
! 1618:
! 1619: /* Filter out attribute bits already set. */
! 1620: changed = gc2.attr & ~tc->attr;
! 1621: tc->attr = gc2.attr;
! 1622:
! 1623: /* Set the attributes. */
! 1624: if (changed & GRID_ATTR_BRIGHT)
! 1625: tty_putcode(tty, TTYC_BOLD);
! 1626: if (changed & GRID_ATTR_DIM)
! 1627: tty_putcode(tty, TTYC_DIM);
! 1628: if (changed & GRID_ATTR_ITALICS)
! 1629: tty_set_italics(tty);
! 1630: if (changed & GRID_ATTR_UNDERSCORE)
! 1631: tty_putcode(tty, TTYC_SMUL);
! 1632: if (changed & GRID_ATTR_BLINK)
! 1633: tty_putcode(tty, TTYC_BLINK);
! 1634: if (changed & GRID_ATTR_REVERSE) {
! 1635: if (tty_term_has(tty->term, TTYC_REV))
! 1636: tty_putcode(tty, TTYC_REV);
! 1637: else if (tty_term_has(tty->term, TTYC_SMSO))
! 1638: tty_putcode(tty, TTYC_SMSO);
! 1639: }
! 1640: if (changed & GRID_ATTR_HIDDEN)
! 1641: tty_putcode(tty, TTYC_INVIS);
! 1642: if (changed & GRID_ATTR_STRIKETHROUGH)
! 1643: tty_putcode(tty, TTYC_SMXX);
! 1644: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
! 1645: tty_putcode(tty, TTYC_SMACS);
! 1646: }
! 1647:
! 1648: static void
! 1649: tty_colours(struct tty *tty, const struct grid_cell *gc)
! 1650: {
! 1651: struct grid_cell *tc = &tty->cell;
! 1652: int have_ax;
! 1653:
! 1654: /* No changes? Nothing is necessary. */
! 1655: if (gc->fg == tc->fg && gc->bg == tc->bg)
! 1656: return;
! 1657:
! 1658: /*
! 1659: * Is either the default colour? This is handled specially because the
! 1660: * best solution might be to reset both colours to default, in which
! 1661: * case if only one is default need to fall onward to set the other
! 1662: * colour.
! 1663: */
! 1664: if (gc->fg == 8 || gc->bg == 8) {
! 1665: /*
! 1666: * If don't have AX but do have op, send sgr0 (op can't
! 1667: * actually be used because it is sometimes the same as sgr0
! 1668: * and sometimes isn't). This resets both colours to default.
! 1669: *
! 1670: * Otherwise, try to set the default colour only as needed.
! 1671: */
! 1672: have_ax = tty_term_flag(tty->term, TTYC_AX);
! 1673: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
! 1674: tty_reset(tty);
! 1675: else {
! 1676: if (gc->fg == 8 && tc->fg != 8) {
! 1677: if (have_ax)
! 1678: tty_puts(tty, "\033[39m");
! 1679: else if (tc->fg != 7)
! 1680: tty_putcode1(tty, TTYC_SETAF, 7);
! 1681: tc->fg = 8;
! 1682: }
! 1683: if (gc->bg == 8 && tc->bg != 8) {
! 1684: if (have_ax)
! 1685: tty_puts(tty, "\033[49m");
! 1686: else if (tc->bg != 0)
! 1687: tty_putcode1(tty, TTYC_SETAB, 0);
! 1688: tc->bg = 8;
! 1689: }
! 1690: }
! 1691: }
! 1692:
! 1693: /* Set the foreground colour. */
! 1694: if (gc->fg != 8 && gc->fg != tc->fg)
! 1695: tty_colours_fg(tty, gc);
! 1696:
! 1697: /*
! 1698: * Set the background colour. This must come after the foreground as
! 1699: * tty_colour_fg() can call tty_reset().
! 1700: */
! 1701: if (gc->bg != 8 && gc->bg != tc->bg)
! 1702: tty_colours_bg(tty, gc);
! 1703: }
! 1704:
! 1705: static void
! 1706: tty_check_fg(struct tty *tty, const struct window_pane *wp,
! 1707: struct grid_cell *gc)
! 1708: {
! 1709: u_char r, g, b;
! 1710: u_int colours;
! 1711: int c;
! 1712:
! 1713: /* Perform substitution if this pane has a palette */
! 1714: if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
! 1715: (c = window_pane_get_palette(wp, gc->fg)) != -1)
! 1716: gc->fg = c;
! 1717:
! 1718: /* Is this a 24-bit colour? */
! 1719: if (gc->fg & COLOUR_FLAG_RGB) {
! 1720: /* Not a 24-bit terminal? Translate to 256-colour palette. */
! 1721: if (!tty_term_flag(tty->term, TTYC_TC)) {
! 1722: colour_split_rgb(gc->fg, &r, &g, &b);
! 1723: gc->fg = colour_find_rgb(r, g, b);
! 1724: } else
! 1725: return;
! 1726: }
! 1727:
! 1728: /* How many colours does this terminal have? */
! 1729: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
! 1730: colours = 256;
! 1731: else
! 1732: colours = tty_term_number(tty->term, TTYC_COLORS);
! 1733:
! 1734: /* Is this a 256-colour colour? */
! 1735: if (gc->fg & COLOUR_FLAG_256) {
! 1736: /* And not a 256 colour mode? */
! 1737: if (colours != 256) {
! 1738: gc->fg = colour_256to16(gc->fg);
! 1739: if (gc->fg & 8) {
! 1740: gc->fg &= 7;
! 1741: if (colours >= 16)
! 1742: gc->fg += 90;
! 1743: else
! 1744: gc->attr |= GRID_ATTR_BRIGHT;
! 1745: } else
! 1746: gc->attr &= ~GRID_ATTR_BRIGHT;
! 1747: }
! 1748: return;
! 1749: }
! 1750:
! 1751: /* Is this an aixterm colour? */
! 1752: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
! 1753: gc->fg -= 90;
! 1754: gc->attr |= GRID_ATTR_BRIGHT;
! 1755: }
! 1756: }
! 1757:
! 1758: static void
! 1759: tty_check_bg(struct tty *tty, const struct window_pane *wp,
! 1760: struct grid_cell *gc)
! 1761: {
! 1762: u_char r, g, b;
! 1763: u_int colours;
! 1764: int c;
! 1765:
! 1766: /* Perform substitution if this pane has a palette */
! 1767: if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
! 1768: (c = window_pane_get_palette(wp, gc->bg)) != -1)
! 1769: gc->bg = c;
! 1770:
! 1771: /* Is this a 24-bit colour? */
! 1772: if (gc->bg & COLOUR_FLAG_RGB) {
! 1773: /* Not a 24-bit terminal? Translate to 256-colour palette. */
! 1774: if (!tty_term_flag(tty->term, TTYC_TC)) {
! 1775: colour_split_rgb(gc->bg, &r, &g, &b);
! 1776: gc->bg = colour_find_rgb(r, g, b);
! 1777: } else
! 1778: return;
! 1779: }
! 1780:
! 1781: /* How many colours does this terminal have? */
! 1782: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
! 1783: colours = 256;
! 1784: else
! 1785: colours = tty_term_number(tty->term, TTYC_COLORS);
! 1786:
! 1787: /* Is this a 256-colour colour? */
! 1788: if (gc->bg & COLOUR_FLAG_256) {
! 1789: /*
! 1790: * And not a 256 colour mode? Translate to 16-colour
! 1791: * palette. Bold background doesn't exist portably, so just
! 1792: * discard the bold bit if set.
! 1793: */
! 1794: if (colours != 256) {
! 1795: gc->bg = colour_256to16(gc->bg);
! 1796: if (gc->bg & 8) {
! 1797: gc->bg &= 7;
! 1798: if (colours >= 16)
! 1799: gc->fg += 90;
! 1800: }
! 1801: }
! 1802: return;
! 1803: }
! 1804:
! 1805: /* Is this an aixterm colour? */
! 1806: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
! 1807: gc->bg -= 90;
! 1808: }
! 1809:
! 1810: static void
! 1811: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
! 1812: {
! 1813: struct grid_cell *tc = &tty->cell;
! 1814: char s[32];
! 1815:
! 1816: /* Is this a 24-bit or 256-colour colour? */
! 1817: if (gc->fg & COLOUR_FLAG_RGB ||
! 1818: gc->fg & COLOUR_FLAG_256) {
! 1819: if (tty_try_colour(tty, gc->fg, "38") == 0)
! 1820: goto save_fg;
! 1821: /* Should not get here, already converted in tty_check_fg. */
! 1822: return;
! 1823: }
! 1824:
! 1825: /* Is this an aixterm bright colour? */
! 1826: if (gc->fg >= 90 && gc->fg <= 97) {
! 1827: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
! 1828: tty_puts(tty, s);
! 1829: goto save_fg;
! 1830: }
! 1831:
! 1832: /* Otherwise set the foreground colour. */
! 1833: tty_putcode1(tty, TTYC_SETAF, gc->fg);
! 1834:
! 1835: save_fg:
! 1836: /* Save the new values in the terminal current cell. */
! 1837: tc->fg = gc->fg;
! 1838: }
! 1839:
! 1840: static void
! 1841: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
! 1842: {
! 1843: struct grid_cell *tc = &tty->cell;
! 1844: char s[32];
! 1845:
! 1846: /* Is this a 24-bit or 256-colour colour? */
! 1847: if (gc->bg & COLOUR_FLAG_RGB ||
! 1848: gc->bg & COLOUR_FLAG_256) {
! 1849: if (tty_try_colour(tty, gc->bg, "48") == 0)
! 1850: goto save_bg;
! 1851: /* Should not get here, already converted in tty_check_bg. */
! 1852: return;
! 1853: }
! 1854:
! 1855: /* Is this an aixterm bright colour? */
! 1856: if (gc->bg >= 90 && gc->bg <= 97) {
! 1857: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
! 1858: tty_puts(tty, s);
! 1859: goto save_bg;
! 1860: }
! 1861:
! 1862: /* Otherwise set the background colour. */
! 1863: tty_putcode1(tty, TTYC_SETAB, gc->bg);
! 1864:
! 1865: save_bg:
! 1866: /* Save the new values in the terminal current cell. */
! 1867: tc->bg = gc->bg;
! 1868: }
! 1869:
! 1870: static int
! 1871: tty_try_colour(struct tty *tty, int colour, const char *type)
! 1872: {
! 1873: u_char r, g, b;
! 1874: char s[32];
! 1875:
! 1876: if (colour & COLOUR_FLAG_256) {
! 1877: /*
! 1878: * If the user has specified -2 to the client, setaf and setab
! 1879: * may not work (or they may not want to use them), so send the
! 1880: * usual sequence.
! 1881: */
! 1882: if (tty->term_flags & TERM_256COLOURS)
! 1883: goto fallback_256;
! 1884:
! 1885: /*
! 1886: * If the terminfo entry has 256 colours and setaf and setab
! 1887: * exist, assume that they work correctly.
! 1888: */
! 1889: if (tty->term->flags & TERM_256COLOURS) {
! 1890: if (*type == '3') {
! 1891: if (!tty_term_has(tty->term, TTYC_SETAF))
! 1892: goto fallback_256;
! 1893: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
! 1894: } else {
! 1895: if (!tty_term_has(tty->term, TTYC_SETAB))
! 1896: goto fallback_256;
! 1897: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
! 1898: }
! 1899: return (0);
! 1900: }
! 1901: goto fallback_256;
! 1902: }
! 1903:
! 1904: if (colour & COLOUR_FLAG_RGB) {
! 1905: if (!tty_term_flag(tty->term, TTYC_TC))
! 1906: return (-1);
! 1907:
! 1908: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
! 1909: xsnprintf(s, sizeof s, "\033[%s;2;%hhu;%hhu;%hhum", type,
! 1910: r, g, b);
! 1911: tty_puts(tty, s);
! 1912: return (0);
! 1913: }
! 1914:
! 1915: return (-1);
! 1916:
! 1917: fallback_256:
! 1918: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
! 1919: tty_puts(tty, s);
! 1920: return (0);
! 1921: }
! 1922:
! 1923: static void
! 1924: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
! 1925: {
! 1926: struct window *w = wp->window;
! 1927: struct options *oo = w->options;
! 1928: const struct grid_cell *agc, *pgc, *wgc;
! 1929: int c;
! 1930:
! 1931: if (w->flags & WINDOW_STYLECHANGED) {
! 1932: w->flags &= ~WINDOW_STYLECHANGED;
! 1933: agc = options_get_style(oo, "window-active-style");
! 1934: memcpy(&w->active_style, agc, sizeof w->active_style);
! 1935: wgc = options_get_style(oo, "window-style");
! 1936: memcpy(&w->style, wgc, sizeof w->style);
! 1937: } else {
! 1938: agc = &w->active_style;
! 1939: wgc = &w->style;
! 1940: }
! 1941: pgc = &wp->colgc;
! 1942:
! 1943: if (gc->fg == 8) {
! 1944: if (pgc->fg != 8)
! 1945: gc->fg = pgc->fg;
! 1946: else if (wp == w->active && agc->fg != 8)
! 1947: gc->fg = agc->fg;
! 1948: else
! 1949: gc->fg = wgc->fg;
! 1950:
! 1951: if (gc->fg != 8 &&
! 1952: (c = window_pane_get_palette(wp, gc->fg)) != -1)
! 1953: gc->fg = c;
! 1954: }
! 1955:
! 1956: if (gc->bg == 8) {
! 1957: if (pgc->bg != 8)
! 1958: gc->bg = pgc->bg;
! 1959: else if (wp == w->active && agc->bg != 8)
! 1960: gc->bg = agc->bg;
! 1961: else
! 1962: gc->bg = wgc->bg;
! 1963:
! 1964: if (gc->bg != 8 &&
! 1965: (c = window_pane_get_palette(wp, gc->bg)) != -1)
! 1966: gc->bg = c;
! 1967: }
! 1968: }
! 1969:
! 1970: static void
! 1971: tty_default_attributes(struct tty *tty, const struct window_pane *wp, u_int bg)
! 1972: {
! 1973: static struct grid_cell gc;
! 1974:
! 1975: memcpy(&gc, &grid_default_cell, sizeof gc);
! 1976: gc.bg = bg;
! 1977: tty_attributes(tty, &gc, wp);
! 1978: }
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