Annotation of src/usr.bin/tmux/tty.c, Revision 1.96
1.96 ! nicm 1: /* $OpenBSD: tty.c,v 1.95 2011/01/03 23:35:22 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: int tty_try_256(struct tty *, u_char, const char *);
35: int tty_try_88(struct tty *, u_char, const char *);
36:
1.85 nicm 37: void tty_colours(struct tty *, const struct grid_cell *);
38: void tty_check_fg(struct tty *, struct grid_cell *);
39: void tty_check_bg(struct tty *, struct grid_cell *);
40: void tty_colours_fg(struct tty *, const struct grid_cell *);
1.73 nicm 41: void tty_colours_bg(struct tty *, const struct grid_cell *);
1.1 nicm 42:
1.24 nicm 43: void tty_redraw_region(struct tty *, const struct tty_ctx *);
1.13 nicm 44: void tty_emulate_repeat(
45: struct tty *, enum tty_code_code, enum tty_code_code, u_int);
1.14 nicm 46: void tty_cell(struct tty *,
1.77 nicm 47: const struct grid_cell *, const struct grid_utf8 *);
1.1 nicm 48:
1.90 nicm 49: #define tty_use_acs(tty) \
1.91 nicm 50: (tty_term_has(tty->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.90 nicm 51:
1.1 nicm 52: void
1.30 nicm 53: tty_init(struct tty *tty, int fd, char *term)
1.1 nicm 54: {
1.30 nicm 55: char *path;
56:
57: memset(tty, 0, sizeof *tty);
1.23 nicm 58: tty->log_fd = -1;
1.22 nicm 59:
1.9 nicm 60: if (term == NULL || *term == '\0')
1.1 nicm 61: tty->termname = xstrdup("unknown");
62: else
63: tty->termname = xstrdup(term);
1.30 nicm 64: tty->fd = fd;
65:
66: if ((path = ttyname(fd)) == NULL)
67: fatalx("ttyname failed");
68: tty->path = xstrdup(path);
69:
1.1 nicm 70: tty->flags = 0;
71: tty->term_flags = 0;
1.31 nicm 72: }
73:
1.88 nicm 74: int
1.31 nicm 75: tty_resize(struct tty *tty)
76: {
77: struct winsize ws;
1.88 nicm 78: u_int sx, sy;
1.31 nicm 79:
80: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 81: sx = ws.ws_col;
82: if (sx == 0)
83: sx = 80;
84: sy = ws.ws_row;
85: if (sy == 0)
86: sy = 24;
87: } else {
88: sx = 80;
89: sy = 24;
1.31 nicm 90: }
1.88 nicm 91: if (sx == tty->sx && sy == tty->sy)
92: return (0);
93: tty->sx = sx;
94: tty->sy = sy;
1.31 nicm 95:
96: tty->cx = UINT_MAX;
97: tty->cy = UINT_MAX;
98:
99: tty->rupper = UINT_MAX;
100: tty->rlower = UINT_MAX;
1.88 nicm 101:
102: /*
103: * If the terminal has been started, reset the actual scroll region and
104: * cursor position, as this may not have happened.
105: */
106: if (tty->flags & TTY_STARTED) {
107: tty_cursor(tty, 0, 0);
108: tty_region(tty, 0, tty->sy - 1);
109: }
110:
111: return (1);
1.1 nicm 112: }
113:
114: int
1.17 nicm 115: tty_open(struct tty *tty, const char *overrides, char **cause)
1.1 nicm 116: {
1.88 nicm 117: char out[64];
1.30 nicm 118: int fd;
1.1 nicm 119:
1.30 nicm 120: if (debug_level > 3) {
1.88 nicm 121: xsnprintf(out, sizeof out, "tmux-out-%ld.log", (long) getpid());
122: fd = open(out, O_WRONLY|O_CREAT|O_TRUNC, 0644);
1.30 nicm 123: if (fd != -1 && fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
124: fatal("fcntl failed");
125: tty->log_fd = fd;
1.1 nicm 126: }
127:
1.17 nicm 128: tty->term = tty_term_find(tty->termname, tty->fd, overrides, cause);
1.21 nicm 129: if (tty->term == NULL) {
130: tty_close(tty);
131: return (-1);
132: }
133: tty->flags |= TTY_OPENED;
1.1 nicm 134:
1.66 nicm 135: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_ESCAPE);
1.1 nicm 136:
1.66 nicm 137: tty->event = bufferevent_new(
1.67 nicm 138: tty->fd, tty_read_callback, NULL, tty_error_callback, tty);
1.1 nicm 139:
140: tty_start_tty(tty);
141:
142: tty_keys_init(tty);
143:
144: return (0);
145: }
146:
1.73 nicm 147: /* ARGSUSED */
1.1 nicm 148: void
1.67 nicm 149: tty_read_callback(unused struct bufferevent *bufev, void *data)
150: {
151: struct tty *tty = data;
152:
153: while (tty_keys_next(tty))
154: ;
155: }
156:
1.73 nicm 157: /* ARGSUSED */
1.67 nicm 158: void
1.66 nicm 159: tty_error_callback(
160: unused struct bufferevent *bufev, unused short what, unused void *data)
161: {
162: }
163:
164: void
1.1 nicm 165: tty_start_tty(struct tty *tty)
166: {
167: struct termios tio;
1.33 nicm 168:
169: if (tty->fd == -1)
170: return;
1.1 nicm 171:
1.96 ! nicm 172: setblocking(tty->fd, 0);
1.34 nicm 173:
1.66 nicm 174: bufferevent_enable(tty->event, EV_READ|EV_WRITE);
175:
1.1 nicm 176: if (tcgetattr(tty->fd, &tty->tio) != 0)
177: fatal("tcgetattr failed");
178: memcpy(&tio, &tty->tio, sizeof tio);
179: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
180: tio.c_iflag |= IGNBRK;
181: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
182: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
183: ECHOPRT|ECHOKE|ECHOCTL|ISIG);
184: tio.c_cc[VMIN] = 1;
1.60 deraadt 185: tio.c_cc[VTIME] = 0;
1.1 nicm 186: if (tcsetattr(tty->fd, TCSANOW, &tio) != 0)
187: fatal("tcsetattr failed");
1.82 nicm 188: tcflush(tty->fd, TCIOFLUSH);
1.1 nicm 189:
1.10 nicm 190: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 191:
1.25 nicm 192: tty_putcode(tty, TTYC_SGR0);
193: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
194:
1.76 nicm 195: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 196: if (tty_use_acs(tty))
197: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 198: tty_putcode(tty, TTYC_CLEAR);
199:
200: tty_putcode(tty, TTYC_CNORM);
201: if (tty_term_has(tty->term, TTYC_KMOUS))
202: tty_puts(tty, "\033[?1000l");
203:
204: tty->cx = UINT_MAX;
205: tty->cy = UINT_MAX;
206:
207: tty->rlower = UINT_MAX;
208: tty->rupper = UINT_MAX;
209:
210: tty->mode = MODE_CURSOR;
1.20 nicm 211:
212: tty->flags |= TTY_STARTED;
1.1 nicm 213: }
214:
215: void
216: tty_stop_tty(struct tty *tty)
217: {
218: struct winsize ws;
219:
1.20 nicm 220: if (!(tty->flags & TTY_STARTED))
221: return;
222: tty->flags &= ~TTY_STARTED;
223:
1.66 nicm 224: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
225:
1.1 nicm 226: /*
227: * Be flexible about error handling and try not kill the server just
228: * because the fd is invalid. Things like ssh -t can easily leave us
229: * with a dead tty.
230: */
231: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
232: return;
233: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
234: return;
235:
236: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 237: if (tty_use_acs(tty))
238: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 239: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
240: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
241: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
242:
243: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
244: if (tty_term_has(tty->term, TTYC_KMOUS))
245: tty_raw(tty, "\033[?1000l");
1.10 nicm 246:
247: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.84 nicm 248:
1.96 ! nicm 249: setblocking(tty->fd, 1);
1.1 nicm 250: }
251:
252: void
1.20 nicm 253: tty_close(struct tty *tty)
1.1 nicm 254: {
255: if (tty->log_fd != -1) {
256: close(tty->log_fd);
257: tty->log_fd = -1;
258: }
259:
1.67 nicm 260: evtimer_del(&tty->key_timer);
1.20 nicm 261: tty_stop_tty(tty);
1.1 nicm 262:
1.21 nicm 263: if (tty->flags & TTY_OPENED) {
1.66 nicm 264: bufferevent_free(tty->event);
265:
1.21 nicm 266: tty_term_free(tty->term);
267: tty_keys_free(tty);
268:
269: tty->flags &= ~TTY_OPENED;
270: }
1.1 nicm 271:
1.21 nicm 272: if (tty->fd != -1) {
273: close(tty->fd);
274: tty->fd = -1;
275: }
1.1 nicm 276: }
277:
278: void
1.20 nicm 279: tty_free(struct tty *tty)
1.1 nicm 280: {
1.20 nicm 281: tty_close(tty);
1.1 nicm 282:
283: if (tty->path != NULL)
284: xfree(tty->path);
285: if (tty->termname != NULL)
286: xfree(tty->termname);
287: }
288:
289: void
290: tty_raw(struct tty *tty, const char *s)
291: {
292: write(tty->fd, s, strlen(s));
293: }
294:
295: void
296: tty_putcode(struct tty *tty, enum tty_code_code code)
297: {
298: tty_puts(tty, tty_term_string(tty->term, code));
299: }
300:
301: void
302: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
303: {
304: if (a < 0)
305: return;
306: tty_puts(tty, tty_term_string1(tty->term, code, a));
307: }
308:
309: void
310: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
311: {
312: if (a < 0 || b < 0)
313: return;
314: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
315: }
316:
317: void
318: tty_puts(struct tty *tty, const char *s)
319: {
320: if (*s == '\0')
321: return;
1.66 nicm 322: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 323:
324: if (tty->log_fd != -1)
325: write(tty->log_fd, s, strlen(s));
326: }
327:
328: void
329: tty_putc(struct tty *tty, u_char ch)
330: {
1.90 nicm 331: const char *acs;
332: u_int sx;
1.1 nicm 333:
1.90 nicm 334: if (tty->cell.attr & GRID_ATTR_CHARSET) {
335: acs = tty_acs_get(tty, ch);
336: if (acs != NULL)
337: bufferevent_write(tty->event, acs, strlen(acs));
338: else
339: bufferevent_write(tty->event, &ch, 1);
340: } else
341: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 342:
343: if (ch >= 0x20 && ch != 0x7f) {
344: sx = tty->sx;
345: if (tty->term->flags & TERM_EARLYWRAP)
346: sx--;
347:
1.46 nicm 348: if (tty->cx >= sx) {
349: tty->cx = 1;
350: if (tty->cy != tty->rlower)
351: tty->cy++;
1.1 nicm 352: } else
353: tty->cx++;
354: }
355:
356: if (tty->log_fd != -1)
357: write(tty->log_fd, &ch, 1);
358: }
359:
360: void
1.5 nicm 361: tty_pututf8(struct tty *tty, const struct grid_utf8 *gu)
362: {
1.71 nicm 363: size_t size;
1.5 nicm 364:
1.71 nicm 365: size = grid_utf8_size(gu);
366: bufferevent_write(tty->event, gu->data, size);
367: if (tty->log_fd != -1)
368: write(tty->log_fd, gu->data, size);
1.54 nicm 369: tty->cx += gu->width;
1.5 nicm 370: }
371:
372: void
1.1 nicm 373: tty_set_title(struct tty *tty, const char *title)
374: {
375: if (strstr(tty->termname, "xterm") == NULL &&
376: strstr(tty->termname, "rxvt") == NULL &&
377: strcmp(tty->termname, "screen") != 0)
378: return;
379:
380: tty_puts(tty, "\033]0;");
381: tty_puts(tty, title);
382: tty_putc(tty, '\007');
383: }
384:
385: void
386: tty_update_mode(struct tty *tty, int mode)
387: {
388: int changed;
389:
390: if (tty->flags & TTY_NOCURSOR)
391: mode &= ~MODE_CURSOR;
392:
393: changed = mode ^ tty->mode;
394: if (changed & MODE_CURSOR) {
395: if (mode & MODE_CURSOR)
396: tty_putcode(tty, TTYC_CNORM);
397: else
398: tty_putcode(tty, TTYC_CIVIS);
399: }
1.94 nicm 400: if (changed & ALL_MOUSE_MODES) {
401: if (mode & ALL_MOUSE_MODES) {
1.95 nicm 402: if (mode & MODE_MOUSE_UTF8)
403: tty_puts(tty, "\033[?1005h");
1.94 nicm 404: if (mode & MODE_MOUSE_STANDARD)
405: tty_puts(tty, "\033[?1000h");
406: else if (mode & MODE_MOUSE_HIGHLIGHT)
407: tty_puts(tty, "\033[?1001h");
408: else if (mode & MODE_MOUSE_BUTTON)
409: tty_puts(tty, "\033[?1002h");
410: else if (mode & MODE_MOUSE_ANY)
1.86 nicm 411: tty_puts(tty, "\033[?1003h");
412: } else {
1.94 nicm 413: if (tty->mode & MODE_MOUSE_STANDARD)
414: tty_puts(tty, "\033[?1000l");
415: else if (tty->mode & MODE_MOUSE_HIGHLIGHT)
416: tty_puts(tty, "\033[?1001l");
417: else if (tty->mode & MODE_MOUSE_BUTTON)
418: tty_puts(tty, "\033[?1002l");
419: else if (tty->mode & MODE_MOUSE_ANY)
1.86 nicm 420: tty_puts(tty, "\033[?1003l");
1.95 nicm 421: if (tty->mode & MODE_MOUSE_UTF8)
422: tty_puts(tty, "\033[?1005l");
1.86 nicm 423: }
1.76 nicm 424: }
425: if (changed & MODE_KKEYPAD) {
426: if (mode & MODE_KKEYPAD)
427: tty_putcode(tty, TTYC_SMKX);
428: else
429: tty_putcode(tty, TTYC_RMKX);
1.1 nicm 430: }
431: tty->mode = mode;
432: }
433:
434: void
435: tty_emulate_repeat(
436: struct tty *tty, enum tty_code_code code, enum tty_code_code code1, u_int n)
437: {
438: if (tty_term_has(tty->term, code))
439: tty_putcode1(tty, code, n);
440: else {
441: while (n-- > 0)
442: tty_putcode(tty, code1);
443: }
444: }
445:
446: /*
447: * Redraw scroll region using data from screen (already updated). Used when
448: * CSR not supported, or window is a pane that doesn't take up the full
449: * width of the terminal.
450: */
451: void
1.24 nicm 452: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 453: {
1.14 nicm 454: struct window_pane *wp = ctx->wp;
455: struct screen *s = wp->screen;
456: u_int i;
1.1 nicm 457:
458: /*
459: * If region is >= 50% of the screen, just schedule a window redraw. In
460: * most cases, this is likely to be followed by some more scrolling -
461: * without this, the entire pane ends up being redrawn many times which
462: * can be much more data.
463: */
1.14 nicm 464: if (ctx->orupper - ctx->orlower >= screen_size_y(s) / 2) {
1.1 nicm 465: wp->flags |= PANE_REDRAW;
466: return;
467: }
468:
1.14 nicm 469: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
470: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.1 nicm 471: tty_draw_line(tty, s, i, wp->xoff, wp->yoff);
472: } else {
1.14 nicm 473: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.1 nicm 474: tty_draw_line(tty, s, i, wp->xoff, wp->yoff);
475: }
476: }
477:
478: void
479: tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
480: {
481: const struct grid_cell *gc;
1.46 nicm 482: struct grid_line *gl;
1.16 nicm 483: struct grid_cell tmpgc;
1.1 nicm 484: const struct grid_utf8 *gu;
485: u_int i, sx;
486:
1.35 nicm 487: tty_update_mode(tty, tty->mode & ~MODE_CURSOR);
488:
1.1 nicm 489: sx = screen_size_x(s);
1.19 nicm 490: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
491: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 492: if (sx > tty->sx)
493: sx = tty->sx;
494:
1.46 nicm 495: /*
496: * Don't move the cursor to the start permission if it will wrap there
1.50 nicm 497: * itself.
1.46 nicm 498: */
499: gl = NULL;
500: if (py != 0)
501: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 502: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 503: tty->cx < tty->sx || ox != 0 ||
504: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 505: tty_cursor(tty, ox, oy + py);
506:
1.1 nicm 507: for (i = 0; i < sx; i++) {
508: gc = grid_view_peek_cell(s->grid, i, py);
509:
510: gu = NULL;
511: if (gc->flags & GRID_FLAG_UTF8)
512: gu = grid_view_peek_utf8(s->grid, i, py);
513:
514: if (screen_check_selection(s, i, py)) {
1.16 nicm 515: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
516: tmpgc.data = gc->data;
1.77 nicm 517: tmpgc.flags = gc->flags &
1.38 nicm 518: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
519: tmpgc.flags |= s->sel.cell.flags &
520: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.16 nicm 521: tty_cell(tty, &tmpgc, gu);
1.1 nicm 522: } else
523: tty_cell(tty, gc, gu);
524: }
525:
1.35 nicm 526: if (sx >= tty->sx) {
527: tty_update_mode(tty, tty->mode);
1.1 nicm 528: return;
1.35 nicm 529: }
1.1 nicm 530: tty_reset(tty);
531:
1.41 nicm 532: tty_cursor(tty, ox + sx, oy + py);
1.1 nicm 533: if (screen_size_x(s) >= tty->sx && tty_term_has(tty->term, TTYC_EL))
534: tty_putcode(tty, TTYC_EL);
535: else {
536: for (i = sx; i < screen_size_x(s); i++)
537: tty_putc(tty, ' ');
1.15 nicm 538: }
1.35 nicm 539: tty_update_mode(tty, tty->mode);
1.15 nicm 540: }
541:
542: void
1.24 nicm 543: tty_write(void (*cmdfn)(
544: struct tty *, const struct tty_ctx *), const struct tty_ctx *ctx)
1.15 nicm 545: {
546: struct window_pane *wp = ctx->wp;
547: struct client *c;
548: u_int i;
549:
1.75 nicm 550: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 551: if (wp == NULL)
552: return;
553:
554: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
555: return;
1.93 nicm 556: if (!window_pane_visible(wp))
1.15 nicm 557: return;
558:
559: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
560: c = ARRAY_ITEM(&clients, i);
561: if (c == NULL || c->session == NULL)
562: continue;
563: if (c->flags & CLIENT_SUSPENDED)
564: continue;
565:
566: if (c->session->curw->window == wp->window) {
1.89 nicm 567: if (c->tty.term == NULL)
568: continue;
569: if (c->tty.flags & (TTY_FREEZE|TTY_BACKOFF))
1.15 nicm 570: continue;
571: cmdfn(&c->tty, ctx);
572: }
1.1 nicm 573: }
574: }
575:
576: void
1.24 nicm 577: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 578: {
1.77 nicm 579: struct window_pane *wp = ctx->wp;
1.12 nicm 580: struct screen *s = wp->screen;
1.24 nicm 581: u_int i;
1.1 nicm 582:
583: if (wp->xoff != 0 || screen_size_x(s) < tty->sx) {
1.14 nicm 584: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 585: return;
586: }
587:
588: tty_reset(tty);
589:
1.77 nicm 590: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 591:
1.1 nicm 592: if (tty_term_has(tty->term, TTYC_ICH) ||
593: tty_term_has(tty->term, TTYC_ICH1))
1.12 nicm 594: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.77 nicm 595: else if (tty_term_has(tty->term, TTYC_SMIR) &&
1.72 nicm 596: tty_term_has(tty->term, TTYC_RMIR)) {
1.1 nicm 597: tty_putcode(tty, TTYC_SMIR);
1.24 nicm 598: for (i = 0; i < ctx->num; i++)
1.1 nicm 599: tty_putc(tty, ' ');
600: tty_putcode(tty, TTYC_RMIR);
1.72 nicm 601: } else
602: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 603: }
604:
605: void
1.24 nicm 606: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 607: {
1.77 nicm 608: struct window_pane *wp = ctx->wp;
1.12 nicm 609: struct screen *s = wp->screen;
1.1 nicm 610:
1.26 nicm 611: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
612: (!tty_term_has(tty->term, TTYC_DCH) &&
613: !tty_term_has(tty->term, TTYC_DCH1))) {
1.14 nicm 614: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 615: return;
616: }
617:
618: tty_reset(tty);
619:
1.77 nicm 620: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 621:
1.26 nicm 622: if (tty_term_has(tty->term, TTYC_DCH) ||
623: tty_term_has(tty->term, TTYC_DCH1))
624: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.1 nicm 625: }
626:
627: void
1.24 nicm 628: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 629: {
1.77 nicm 630: struct window_pane *wp = ctx->wp;
1.12 nicm 631: struct screen *s = wp->screen;
1.1 nicm 632:
1.77 nicm 633: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
634: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 635: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 636: tty_redraw_region(tty, ctx);
1.1 nicm 637: return;
638: }
639:
640: tty_reset(tty);
641:
1.77 nicm 642: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
643: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 644:
1.12 nicm 645: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 646: }
647:
648: void
1.24 nicm 649: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 650: {
1.77 nicm 651: struct window_pane *wp = ctx->wp;
1.12 nicm 652: struct screen *s = wp->screen;
1.1 nicm 653:
1.77 nicm 654: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
1.72 nicm 655: !tty_term_has(tty->term, TTYC_CSR) ||
656: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 657: tty_redraw_region(tty, ctx);
1.1 nicm 658: return;
659: }
660:
661: tty_reset(tty);
662:
1.77 nicm 663: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
664: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 665:
1.12 nicm 666: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 667: }
668:
669: void
1.24 nicm 670: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 671: {
1.77 nicm 672: struct window_pane *wp = ctx->wp;
1.12 nicm 673: struct screen *s = wp->screen;
674: u_int i;
1.1 nicm 675:
676: tty_reset(tty);
677:
1.77 nicm 678: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 679:
1.1 nicm 680: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
681: tty_term_has(tty->term, TTYC_EL)) {
682: tty_putcode(tty, TTYC_EL);
683: } else {
684: for (i = 0; i < screen_size_x(s); i++)
685: tty_putc(tty, ' ');
686: }
687: }
688:
689: void
1.24 nicm 690: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 691: {
1.77 nicm 692: struct window_pane *wp = ctx->wp;
1.12 nicm 693: struct screen *s = wp->screen;
694: u_int i;
1.1 nicm 695:
696: tty_reset(tty);
697:
1.41 nicm 698: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
699:
1.1 nicm 700: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
701: tty_term_has(tty->term, TTYC_EL))
702: tty_putcode(tty, TTYC_EL);
703: else {
1.14 nicm 704: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 705: tty_putc(tty, ' ');
706: }
707: }
708:
709: void
1.24 nicm 710: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 711: {
1.77 nicm 712: struct window_pane *wp = ctx->wp;
1.12 nicm 713: u_int i;
1.1 nicm 714:
715: tty_reset(tty);
716:
717: if (wp->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1.41 nicm 718: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 719: tty_putcode(tty, TTYC_EL1);
720: } else {
1.41 nicm 721: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.14 nicm 722: for (i = 0; i < ctx->ocx + 1; i++)
1.1 nicm 723: tty_putc(tty, ' ');
724: }
725: }
726:
727: void
1.24 nicm 728: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 729: {
1.77 nicm 730: struct window_pane *wp = ctx->wp;
1.12 nicm 731: struct screen *s = wp->screen;
1.1 nicm 732:
1.56 nicm 733: if (ctx->ocy != ctx->orupper)
734: return;
735:
1.77 nicm 736: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
1.70 nicm 737: !tty_term_has(tty->term, TTYC_CSR) ||
738: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 739: tty_redraw_region(tty, ctx);
1.1 nicm 740: return;
741: }
742:
1.56 nicm 743: tty_reset(tty);
1.77 nicm 744:
1.56 nicm 745: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
746: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 747:
1.56 nicm 748: tty_putcode(tty, TTYC_RI);
1.1 nicm 749: }
750:
751: void
1.24 nicm 752: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 753: {
1.77 nicm 754: struct window_pane *wp = ctx->wp;
1.12 nicm 755: struct screen *s = wp->screen;
1.1 nicm 756:
1.56 nicm 757: if (ctx->ocy != ctx->orlower)
758: return;
759:
1.77 nicm 760: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
1.1 nicm 761: !tty_term_has(tty->term, TTYC_CSR)) {
1.14 nicm 762: tty_redraw_region(tty, ctx);
1.1 nicm 763: return;
764: }
1.52 nicm 765:
766: /*
767: * If this line wrapped naturally (ctx->num is nonzero), don't do
768: * anything - the cursor can just be moved to the last cell and wrap
769: * naturally.
770: */
771: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
772: return;
1.1 nicm 773:
1.56 nicm 774: tty_reset(tty);
1.77 nicm 775:
1.56 nicm 776: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
777: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 778:
1.56 nicm 779: tty_putc(tty, '\n');
1.1 nicm 780: }
781:
782: void
1.24 nicm 783: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 784: {
1.77 nicm 785: struct window_pane *wp = ctx->wp;
1.12 nicm 786: struct screen *s = wp->screen;
787: u_int i, j;
1.1 nicm 788:
789: tty_reset(tty);
790:
1.39 nicm 791: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 792: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 793:
1.1 nicm 794: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
795: tty_term_has(tty->term, TTYC_EL)) {
796: tty_putcode(tty, TTYC_EL);
1.14 nicm 797: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 798: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 799: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 800: tty_putcode(tty, TTYC_EL);
801: if (i == screen_size_y(s) - 1)
802: continue;
803: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
804: tty->cy++;
805: }
806: }
807: } else {
1.14 nicm 808: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 809: tty_putc(tty, ' ');
1.68 nicm 810: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 811: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 812: for (i = 0; i < screen_size_x(s); i++)
813: tty_putc(tty, ' ');
814: }
815: }
816: }
817:
818: void
1.24 nicm 819: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 820: {
1.77 nicm 821: struct window_pane *wp = ctx->wp;
1.12 nicm 822: struct screen *s = wp->screen;
823: u_int i, j;
1.1 nicm 824:
825: tty_reset(tty);
826:
1.39 nicm 827: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 828: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 829:
1.1 nicm 830: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
831: tty_term_has(tty->term, TTYC_EL)) {
1.14 nicm 832: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 833: tty_putcode(tty, TTYC_EL);
834: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
835: tty->cy++;
836: }
837: } else {
1.14 nicm 838: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 839: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 840: for (i = 0; i < screen_size_x(s); i++)
841: tty_putc(tty, ' ');
842: }
843: }
1.14 nicm 844: for (i = 0; i <= ctx->ocx; i++)
1.1 nicm 845: tty_putc(tty, ' ');
846: }
847:
848: void
1.24 nicm 849: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 850: {
1.77 nicm 851: struct window_pane *wp = ctx->wp;
1.12 nicm 852: struct screen *s = wp->screen;
853: u_int i, j;
1.1 nicm 854:
855: tty_reset(tty);
856:
1.39 nicm 857: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 858: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 859:
1.1 nicm 860: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
861: tty_term_has(tty->term, TTYC_EL)) {
862: for (i = 0; i < screen_size_y(s); i++) {
863: tty_putcode(tty, TTYC_EL);
864: if (i != screen_size_y(s) - 1) {
865: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
866: tty->cy++;
867: }
868: }
869: } else {
870: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 871: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 872: for (i = 0; i < screen_size_x(s); i++)
873: tty_putc(tty, ' ');
874: }
1.4 nicm 875: }
876: }
877:
878: void
1.24 nicm 879: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 880: {
1.12 nicm 881: struct window_pane *wp = ctx->wp;
882: struct screen *s = wp->screen;
883: u_int i, j;
1.4 nicm 884:
885: tty_reset(tty);
886:
1.39 nicm 887: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 888:
889: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 890: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 891: for (i = 0; i < screen_size_x(s); i++)
892: tty_putc(tty, 'E');
1.1 nicm 893: }
894: }
895:
896: void
1.24 nicm 897: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 898: {
1.46 nicm 899: struct window_pane *wp = ctx->wp;
900: struct screen *s = wp->screen;
1.58 nicm 901: u_int cx;
1.46 nicm 902:
903: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
904:
1.57 nicm 905: /* Is the cursor in the very last position? */
906: if (ctx->ocx > wp->sx - ctx->last_width) {
907: if (wp->xoff != 0 || wp->sx != tty->sx) {
908: /*
909: * The pane doesn't fill the entire line, the linefeed
910: * will already have happened, so just move the cursor.
911: */
912: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
913: } else if (tty->cx < tty->sx) {
914: /*
915: * The cursor isn't in the last position already, so
916: * move as far left as possinble and redraw the last
917: * cell to move into the last position.
918: */
1.50 nicm 919: cx = screen_size_x(s) - ctx->last_width;
920: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
921: tty_cell(tty, &ctx->last_cell, &ctx->last_utf8);
922: }
923: } else
1.46 nicm 924: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 925:
1.12 nicm 926: tty_cell(tty, ctx->cell, ctx->utf8);
1.1 nicm 927: }
928:
929: void
1.24 nicm 930: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 931: {
1.53 nicm 932: struct window_pane *wp = ctx->wp;
1.1 nicm 933:
1.53 nicm 934: /*
935: * Cannot rely on not being a partial character, so just redraw the
936: * whole line.
937: */
1.77 nicm 938: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 939: }
940:
941: void
942: tty_cell(
943: struct tty *tty, const struct grid_cell *gc, const struct grid_utf8 *gu)
944: {
945: u_int i;
946:
947: /* Skip last character if terminal is stupid. */
948: if (tty->term->flags & TERM_EARLYWRAP &&
949: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
950: return;
951:
952: /* If this is a padding character, do nothing. */
953: if (gc->flags & GRID_FLAG_PADDING)
954: return;
955:
956: /* Set the attributes. */
957: tty_attributes(tty, gc);
958:
959: /* If not UTF-8, write directly. */
960: if (!(gc->flags & GRID_FLAG_UTF8)) {
961: if (gc->data < 0x20 || gc->data == 0x7f)
962: return;
963: tty_putc(tty, gc->data);
964: return;
965: }
966:
967: /* If the terminal doesn't support UTF-8, write underscores. */
968: if (!(tty->flags & TTY_UTF8)) {
969: for (i = 0; i < gu->width; i++)
970: tty_putc(tty, '_');
971: return;
972: }
973:
974: /* Otherwise, write UTF-8. */
1.5 nicm 975: tty_pututf8(tty, gu);
1.1 nicm 976: }
977:
978: void
979: tty_reset(struct tty *tty)
980: {
981: struct grid_cell *gc = &tty->cell;
982:
983: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
984: return;
985:
1.90 nicm 986: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 987: tty_putcode(tty, TTYC_RMACS);
988: tty_putcode(tty, TTYC_SGR0);
989: memcpy(gc, &grid_default_cell, sizeof *gc);
990: }
991:
1.40 nicm 992: /* Set region inside pane. */
1.1 nicm 993: void
1.39 nicm 994: tty_region_pane(
995: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 996: {
1.77 nicm 997: struct window_pane *wp = ctx->wp;
1.39 nicm 998:
1.40 nicm 999: tty_region(tty, wp->yoff + rupper, wp->yoff + rlower);
1.39 nicm 1000: }
1001:
1.40 nicm 1002: /* Set region at absolute position. */
1.39 nicm 1003: void
1.40 nicm 1004: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1005: {
1006: if (tty->rlower == rlower && tty->rupper == rupper)
1007: return;
1.1 nicm 1008: if (!tty_term_has(tty->term, TTYC_CSR))
1009: return;
1.39 nicm 1010:
1011: tty->rupper = rupper;
1012: tty->rlower = rlower;
1.55 nicm 1013:
1014: /*
1015: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1016: * 0,0 if it is beyond the last column (they do not reset their wrap
1017: * flag so further output causes a line feed). As a workaround, do an
1018: * explicit move to 0 first.
1019: */
1020: if (tty->cx >= tty->sx)
1021: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1022:
1.39 nicm 1023: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1024: tty_cursor(tty, 0, 0);
1.1 nicm 1025: }
1026:
1.42 nicm 1027: /* Move cursor inside pane. */
1.1 nicm 1028: void
1.41 nicm 1029: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1030: {
1.77 nicm 1031: struct window_pane *wp = ctx->wp;
1.41 nicm 1032:
1033: tty_cursor(tty, wp->xoff + cx, wp->yoff + cy);
1034: }
1035:
1.42 nicm 1036: /* Move cursor to absolute position. */
1.41 nicm 1037: void
1038: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1039: {
1.42 nicm 1040: struct tty_term *term = tty->term;
1041: u_int thisx, thisy;
1042: int change;
1.77 nicm 1043:
1.42 nicm 1044: if (cx > tty->sx - 1)
1045: cx = tty->sx - 1;
1046:
1047: thisx = tty->cx;
1048: thisy = tty->cy;
1049:
1050: /* No change. */
1051: if (cx == thisx && cy == thisy)
1052: return;
1053:
1.43 nicm 1054: /* Very end of the line, just use absolute movement. */
1055: if (thisx > tty->sx - 1)
1056: goto absolute;
1057:
1.42 nicm 1058: /* Move to home position (0, 0). */
1059: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1060: tty_putcode(tty, TTYC_HOME);
1061: goto out;
1062: }
1063:
1064: /* Zero on the next line. */
1.48 nicm 1065: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1066: tty_putc(tty, '\r');
1.42 nicm 1067: tty_putc(tty, '\n');
1068: goto out;
1069: }
1070:
1.45 nicm 1071: /* Moving column or row. */
1.42 nicm 1072: if (cy == thisy) {
1.45 nicm 1073: /*
1074: * Moving column only, row staying the same.
1075: */
1076:
1.42 nicm 1077: /* To left edge. */
1078: if (cx == 0) {
1079: tty_putc(tty, '\r');
1080: goto out;
1081: }
1082:
1083: /* One to the left. */
1084: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1085: tty_putcode(tty, TTYC_CUB1);
1086: goto out;
1087: }
1088:
1089: /* One to the right. */
1090: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1091: tty_putcode(tty, TTYC_CUF1);
1092: goto out;
1093: }
1094:
1095: /* Calculate difference. */
1096: change = thisx - cx; /* +ve left, -ve right */
1097:
1098: /*
1099: * Use HPA if change is larger than absolute, otherwise move
1100: * the cursor with CUB/CUF.
1101: */
1.87 nicm 1102: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1103: tty_putcode1(tty, TTYC_HPA, cx);
1104: goto out;
1105: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1106: tty_putcode1(tty, TTYC_CUB, change);
1107: goto out;
1108: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1109: tty_putcode1(tty, TTYC_CUF, -change);
1110: goto out;
1111: }
1.45 nicm 1112: } else if (cx == thisx) {
1113: /*
1114: * Moving row only, column staying the same.
1115: */
1.42 nicm 1116:
1117: /* One above. */
1.77 nicm 1118: if (thisy != tty->rupper &&
1.42 nicm 1119: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1120: tty_putcode(tty, TTYC_CUU1);
1121: goto out;
1122: }
1123:
1124: /* One below. */
1.49 nicm 1125: if (thisy != tty->rlower &&
1.42 nicm 1126: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1127: tty_putcode(tty, TTYC_CUD1);
1128: goto out;
1129: }
1130:
1131: /* Calculate difference. */
1132: change = thisy - cy; /* +ve up, -ve down */
1133:
1134: /*
1.77 nicm 1135: * Try to use VPA if change is larger than absolute or if this
1136: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1137: */
1.87 nicm 1138: if ((u_int) abs(change) > cy ||
1.42 nicm 1139: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1140: (change > 0 && cy - change < tty->rupper)) {
1141: if (tty_term_has(term, TTYC_VPA)) {
1142: tty_putcode1(tty, TTYC_VPA, cy);
1143: goto out;
1144: }
1.42 nicm 1145: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1146: tty_putcode1(tty, TTYC_CUU, change);
1147: goto out;
1148: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1149: tty_putcode1(tty, TTYC_CUD, -change);
1150: goto out;
1151: }
1152: }
1153:
1.43 nicm 1154: absolute:
1.42 nicm 1155: /* Absolute movement. */
1156: tty_putcode2(tty, TTYC_CUP, cy, cx);
1157:
1158: out:
1159: tty->cx = cx;
1160: tty->cy = cy;
1.1 nicm 1161: }
1162:
1163: void
1164: tty_attributes(struct tty *tty, const struct grid_cell *gc)
1165: {
1.63 nicm 1166: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1167: u_char changed;
1.61 nicm 1168:
1.85 nicm 1169: memcpy(&gc2, gc, sizeof gc2);
1.63 nicm 1170:
1.18 nicm 1171: /*
1172: * If no setab, try to use the reverse attribute as a best-effort for a
1173: * non-default background. This is a bit of a hack but it doesn't do
1174: * any serious harm and makes a couple of applications happier.
1175: */
1176: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1177: if (gc2.attr & GRID_ATTR_REVERSE) {
1178: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1179: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1180: } else {
1.85 nicm 1181: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1182: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1183: }
1184: }
1.1 nicm 1185:
1.85 nicm 1186: /* Fix up the colours if necessary. */
1187: tty_check_fg(tty, &gc2);
1188: tty_check_bg(tty, &gc2);
1189:
1.64 nicm 1190: /* If any bits are being cleared, reset everything. */
1.85 nicm 1191: if (tc->attr & ~gc2.attr)
1.64 nicm 1192: tty_reset(tty);
1193:
1194: /*
1195: * Set the colours. This may call tty_reset() (so it comes next) and
1196: * may add to (NOT remove) the desired attributes by changing new_attr.
1197: */
1.85 nicm 1198: tty_colours(tty, &gc2);
1.64 nicm 1199:
1.1 nicm 1200: /* Filter out attribute bits already set. */
1.85 nicm 1201: changed = gc2.attr & ~tc->attr;
1202: tc->attr = gc2.attr;
1.1 nicm 1203:
1204: /* Set the attributes. */
1205: if (changed & GRID_ATTR_BRIGHT)
1206: tty_putcode(tty, TTYC_BOLD);
1207: if (changed & GRID_ATTR_DIM)
1208: tty_putcode(tty, TTYC_DIM);
1209: if (changed & GRID_ATTR_ITALICS)
1210: tty_putcode(tty, TTYC_SMSO);
1211: if (changed & GRID_ATTR_UNDERSCORE)
1212: tty_putcode(tty, TTYC_SMUL);
1213: if (changed & GRID_ATTR_BLINK)
1214: tty_putcode(tty, TTYC_BLINK);
1215: if (changed & GRID_ATTR_REVERSE) {
1216: if (tty_term_has(tty->term, TTYC_REV))
1217: tty_putcode(tty, TTYC_REV);
1218: else if (tty_term_has(tty->term, TTYC_SMSO))
1219: tty_putcode(tty, TTYC_SMSO);
1220: }
1221: if (changed & GRID_ATTR_HIDDEN)
1222: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1223: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1224: tty_putcode(tty, TTYC_SMACS);
1225: }
1226:
1.61 nicm 1227: void
1.85 nicm 1228: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1229: {
1.61 nicm 1230: struct grid_cell *tc = &tty->cell;
1.62 nicm 1231: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1232: int have_ax, fg_default, bg_default;
1.61 nicm 1233:
1234: /* No changes? Nothing is necessary. */
1.62 nicm 1235: if (fg == tc->fg && bg == tc->bg &&
1236: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1237: return;
1.1 nicm 1238:
1.61 nicm 1239: /*
1240: * Is either the default colour? This is handled specially because the
1241: * best solution might be to reset both colours to default, in which
1242: * case if only one is default need to fall onward to set the other
1243: * colour.
1244: */
1.62 nicm 1245: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1246: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1247: if (fg_default || bg_default) {
1248: /*
1249: * If don't have AX but do have op, send sgr0 (op can't
1250: * actually be used because it is sometimes the same as sgr0
1251: * and sometimes isn't). This resets both colours to default.
1252: *
1253: * Otherwise, try to set the default colour only as needed.
1254: */
1255: have_ax = tty_term_has(tty->term, TTYC_AX);
1256: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1257: tty_reset(tty);
1258: else {
1259: if (fg_default &&
1.81 nicm 1260: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1261: if (have_ax)
1262: tty_puts(tty, "\033[39m");
1.81 nicm 1263: else if (tc->fg != 7 ||
1264: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1265: tty_putcode1(tty, TTYC_SETAF, 7);
1266: tc->fg = 8;
1267: tc->flags &= ~GRID_FLAG_FG256;
1268: }
1269: if (bg_default &&
1.81 nicm 1270: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1271: if (have_ax)
1.61 nicm 1272: tty_puts(tty, "\033[49m");
1.81 nicm 1273: else if (tc->bg != 0 ||
1274: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1275: tty_putcode1(tty, TTYC_SETAB, 0);
1276: tc->bg = 8;
1277: tc->flags &= ~GRID_FLAG_BG256;
1278: }
1279: }
1280: }
1.1 nicm 1281:
1.61 nicm 1282: /* Set the foreground colour. */
1283: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1284: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 nicm 1285: tty_colours_fg(tty, gc);
1.1 nicm 1286:
1.61 nicm 1287: /*
1288: * Set the background colour. This must come after the foreground as
1289: * tty_colour_fg() can call tty_reset().
1290: */
1291: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1292: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1293: tty_colours_bg(tty, gc);
1.1 nicm 1294: }
1295:
1296: void
1.85 nicm 1297: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1298: {
1299: u_int colours;
1300:
1301: /* Is this a 256-colour colour? */
1302: if (gc->flags & GRID_FLAG_FG256) {
1303: /* And not a 256 colour mode? */
1304: if (!(tty->term->flags & TERM_88COLOURS) &&
1305: !(tty->term_flags & TERM_88COLOURS) &&
1306: !(tty->term->flags & TERM_256COLOURS) &&
1307: !(tty->term_flags & TERM_256COLOURS)) {
1308: gc->fg = colour_256to16(gc->fg);
1309: if (gc->fg & 8) {
1310: gc->fg &= 7;
1311: gc->attr |= GRID_ATTR_BRIGHT;
1312: } else
1313: gc->attr &= ~GRID_ATTR_BRIGHT;
1314: gc->flags &= ~GRID_FLAG_FG256;
1315: }
1316: return;
1317: }
1318:
1319: /* Is this an aixterm colour? */
1320: colours = tty_term_number(tty->term, TTYC_COLORS);
1321: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1322: gc->fg -= 90;
1323: gc->attr |= GRID_ATTR_BRIGHT;
1324: }
1325: }
1326:
1327: void
1328: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1329: {
1330: u_int colours;
1331:
1332: /* Is this a 256-colour colour? */
1333: if (gc->flags & GRID_FLAG_BG256) {
1334: /*
1335: * And not a 256 colour mode? Translate to 16-colour
1336: * palette. Bold background doesn't exist portably, so just
1337: * discard the bold bit if set.
1338: */
1339: if (!(tty->term->flags & TERM_88COLOURS) &&
1340: !(tty->term_flags & TERM_88COLOURS) &&
1341: !(tty->term->flags & TERM_256COLOURS) &&
1342: !(tty->term_flags & TERM_256COLOURS)) {
1343: gc->bg = colour_256to16(gc->bg);
1344: if (gc->bg & 8)
1345: gc->bg &= 7;
1346: gc->attr &= ~GRID_ATTR_BRIGHT;
1347: gc->flags &= ~GRID_FLAG_BG256;
1348: }
1349: return;
1350: }
1351:
1352: /* Is this an aixterm colour? */
1353: colours = tty_term_number(tty->term, TTYC_COLORS);
1354: if (gc->bg >= 100 && gc->bg <= 107 && colours < 16) {
1355: gc->bg -= 90;
1356: gc->attr |= GRID_ATTR_BRIGHT;
1357: }
1358: }
1359:
1360: void
1361: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1362: {
1.61 nicm 1363: struct grid_cell *tc = &tty->cell;
1364: u_char fg = gc->fg;
1.79 nicm 1365: char s[32];
1.1 nicm 1366:
1.61 nicm 1367: /* Is this a 256-colour colour? */
1.1 nicm 1368: if (gc->flags & GRID_FLAG_FG256) {
1.61 nicm 1369: /* Try as 256 colours or translating to 88. */
1.1 nicm 1370: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1371: goto save_fg;
1.1 nicm 1372: if (tty_try_88(tty, fg, "38") == 0)
1.61 nicm 1373: goto save_fg;
1.85 nicm 1374: /* Else already handled by tty_check_fg. */
1375: return;
1.1 nicm 1376: }
1377:
1.79 nicm 1378: /* Is this an aixterm bright colour? */
1379: if (fg >= 90 && fg <= 97) {
1.85 nicm 1380: xsnprintf(s, sizeof s, "\033[%dm", fg);
1381: tty_puts(tty, s);
1382: goto save_fg;
1.79 nicm 1383: }
1384:
1.61 nicm 1385: /* Otherwise set the foreground colour. */
1386: tty_putcode1(tty, TTYC_SETAF, fg);
1387:
1.77 nicm 1388: save_fg:
1.61 nicm 1389: /* Save the new values in the terminal current cell. */
1390: tc->fg = fg;
1391: tc->flags &= ~GRID_FLAG_FG256;
1392: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1393: }
1394:
1395: void
1.73 nicm 1396: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1397: {
1.61 nicm 1398: struct grid_cell *tc = &tty->cell;
1399: u_char bg = gc->bg;
1.79 nicm 1400: char s[32];
1.1 nicm 1401:
1.61 nicm 1402: /* Is this a 256-colour colour? */
1.1 nicm 1403: if (gc->flags & GRID_FLAG_BG256) {
1.61 nicm 1404: /* Try as 256 colours or translating to 88. */
1.1 nicm 1405: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1406: goto save_bg;
1.1 nicm 1407: if (tty_try_88(tty, bg, "48") == 0)
1.61 nicm 1408: goto save_bg;
1.85 nicm 1409: /* Else already handled by tty_check_bg. */
1410: return;
1.79 nicm 1411: }
1412:
1413: /* Is this an aixterm bright colour? */
1414: if (bg >= 100 && bg <= 107) {
1415: /* 16 colour terminals or above only. */
1416: if (tty_term_number(tty->term, TTYC_COLORS) >= 16) {
1417: xsnprintf(s, sizeof s, "\033[%dm", bg);
1418: tty_puts(tty, s);
1419: goto save_bg;
1420: }
1421: bg -= 100;
1422: /* no such thing as a bold background */
1.1 nicm 1423: }
1424:
1.61 nicm 1425: /* Otherwise set the background colour. */
1426: tty_putcode1(tty, TTYC_SETAB, bg);
1427:
1428: save_bg:
1429: /* Save the new values in the terminal current cell. */
1430: tc->bg = bg;
1431: tc->flags &= ~GRID_FLAG_BG256;
1432: tc->flags |= gc->flags & GRID_FLAG_BG256;
1433: }
1434:
1435: int
1436: tty_try_256(struct tty *tty, u_char colour, const char *type)
1437: {
1438: char s[32];
1439:
1440: if (!(tty->term->flags & TERM_256COLOURS) &&
1441: !(tty->term_flags & TERM_256COLOURS))
1442: return (-1);
1443:
1444: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1445: tty_puts(tty, s);
1446: return (0);
1447: }
1448:
1449: int
1450: tty_try_88(struct tty *tty, u_char colour, const char *type)
1451: {
1452: char s[32];
1453:
1454: if (!(tty->term->flags & TERM_88COLOURS) &&
1455: !(tty->term_flags & TERM_88COLOURS))
1456: return (-1);
1457: colour = colour_256to88(colour);
1458:
1459: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1460: tty_puts(tty, s);
1461: return (0);
1.1 nicm 1462: }
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