Annotation of src/usr.bin/tmux/tty.c, Revision 1.103
1.103 ! nicm 1: /* $OpenBSD: tty.c,v 1.102 2011/03/26 19:07:33 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:
1.99 nicm 169: if (tty->fd == -1 || tcgetattr(tty->fd, &tty->tio) != 0)
1.33 nicm 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: memcpy(&tio, &tty->tio, sizeof tio);
177: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
178: tio.c_iflag |= IGNBRK;
179: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
180: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
181: ECHOPRT|ECHOKE|ECHOCTL|ISIG);
182: tio.c_cc[VMIN] = 1;
1.60 deraadt 183: tio.c_cc[VTIME] = 0;
1.99 nicm 184: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
185: tcflush(tty->fd, TCIOFLUSH);
1.1 nicm 186:
1.10 nicm 187: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 188:
1.25 nicm 189: tty_putcode(tty, TTYC_SGR0);
190: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
191:
1.76 nicm 192: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 193: if (tty_use_acs(tty))
194: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 195: tty_putcode(tty, TTYC_CLEAR);
196:
197: tty_putcode(tty, TTYC_CNORM);
198: if (tty_term_has(tty->term, TTYC_KMOUS))
199: tty_puts(tty, "\033[?1000l");
200:
201: tty->cx = UINT_MAX;
202: tty->cy = UINT_MAX;
203:
204: tty->rlower = UINT_MAX;
205: tty->rupper = UINT_MAX;
206:
207: tty->mode = MODE_CURSOR;
1.20 nicm 208:
209: tty->flags |= TTY_STARTED;
1.1 nicm 210: }
211:
212: void
213: tty_stop_tty(struct tty *tty)
214: {
215: struct winsize ws;
216:
1.20 nicm 217: if (!(tty->flags & TTY_STARTED))
218: return;
219: tty->flags &= ~TTY_STARTED;
220:
1.66 nicm 221: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
222:
1.1 nicm 223: /*
224: * Be flexible about error handling and try not kill the server just
225: * because the fd is invalid. Things like ssh -t can easily leave us
226: * with a dead tty.
227: */
228: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
229: return;
230: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
231: return;
232:
1.103 ! nicm 233: setblocking(tty->fd, 1);
! 234:
1.1 nicm 235: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 236: if (tty_use_acs(tty))
237: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 238: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
239: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
240: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
241:
242: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
243: if (tty_term_has(tty->term, TTYC_KMOUS))
244: tty_raw(tty, "\033[?1000l");
1.10 nicm 245:
246: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.1 nicm 247: }
248:
249: void
1.20 nicm 250: tty_close(struct tty *tty)
1.1 nicm 251: {
252: if (tty->log_fd != -1) {
253: close(tty->log_fd);
254: tty->log_fd = -1;
255: }
256:
1.67 nicm 257: evtimer_del(&tty->key_timer);
1.20 nicm 258: tty_stop_tty(tty);
1.1 nicm 259:
1.21 nicm 260: if (tty->flags & TTY_OPENED) {
1.66 nicm 261: bufferevent_free(tty->event);
262:
1.21 nicm 263: tty_term_free(tty->term);
264: tty_keys_free(tty);
265:
266: tty->flags &= ~TTY_OPENED;
267: }
1.1 nicm 268:
1.21 nicm 269: if (tty->fd != -1) {
270: close(tty->fd);
271: tty->fd = -1;
272: }
1.1 nicm 273: }
274:
275: void
1.20 nicm 276: tty_free(struct tty *tty)
1.1 nicm 277: {
1.20 nicm 278: tty_close(tty);
1.1 nicm 279:
280: if (tty->path != NULL)
281: xfree(tty->path);
282: if (tty->termname != NULL)
283: xfree(tty->termname);
284: }
285:
286: void
287: tty_raw(struct tty *tty, const char *s)
288: {
289: write(tty->fd, s, strlen(s));
290: }
291:
292: void
293: tty_putcode(struct tty *tty, enum tty_code_code code)
294: {
295: tty_puts(tty, tty_term_string(tty->term, code));
296: }
297:
298: void
299: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
300: {
301: if (a < 0)
302: return;
303: tty_puts(tty, tty_term_string1(tty->term, code, a));
304: }
305:
306: void
307: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
308: {
309: if (a < 0 || b < 0)
310: return;
311: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
312: }
313:
314: void
315: tty_puts(struct tty *tty, const char *s)
316: {
317: if (*s == '\0')
318: return;
1.66 nicm 319: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 320:
321: if (tty->log_fd != -1)
322: write(tty->log_fd, s, strlen(s));
323: }
324:
325: void
326: tty_putc(struct tty *tty, u_char ch)
327: {
1.90 nicm 328: const char *acs;
329: u_int sx;
1.1 nicm 330:
1.90 nicm 331: if (tty->cell.attr & GRID_ATTR_CHARSET) {
332: acs = tty_acs_get(tty, ch);
333: if (acs != NULL)
334: bufferevent_write(tty->event, acs, strlen(acs));
335: else
336: bufferevent_write(tty->event, &ch, 1);
337: } else
338: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 339:
340: if (ch >= 0x20 && ch != 0x7f) {
341: sx = tty->sx;
342: if (tty->term->flags & TERM_EARLYWRAP)
343: sx--;
344:
1.46 nicm 345: if (tty->cx >= sx) {
346: tty->cx = 1;
347: if (tty->cy != tty->rlower)
348: tty->cy++;
1.1 nicm 349: } else
350: tty->cx++;
351: }
352:
353: if (tty->log_fd != -1)
354: write(tty->log_fd, &ch, 1);
355: }
356:
357: void
1.5 nicm 358: tty_pututf8(struct tty *tty, const struct grid_utf8 *gu)
359: {
1.71 nicm 360: size_t size;
1.5 nicm 361:
1.71 nicm 362: size = grid_utf8_size(gu);
363: bufferevent_write(tty->event, gu->data, size);
364: if (tty->log_fd != -1)
365: write(tty->log_fd, gu->data, size);
1.54 nicm 366: tty->cx += gu->width;
1.5 nicm 367: }
368:
369: void
1.1 nicm 370: tty_set_title(struct tty *tty, const char *title)
371: {
372: if (strstr(tty->termname, "xterm") == NULL &&
373: strstr(tty->termname, "rxvt") == NULL &&
374: strcmp(tty->termname, "screen") != 0)
375: return;
376:
377: tty_puts(tty, "\033]0;");
378: tty_puts(tty, title);
379: tty_putc(tty, '\007');
380: }
381:
382: void
383: tty_update_mode(struct tty *tty, int mode)
384: {
385: int changed;
386:
387: if (tty->flags & TTY_NOCURSOR)
388: mode &= ~MODE_CURSOR;
389:
390: changed = mode ^ tty->mode;
391: if (changed & MODE_CURSOR) {
392: if (mode & MODE_CURSOR)
393: tty_putcode(tty, TTYC_CNORM);
394: else
395: tty_putcode(tty, TTYC_CIVIS);
396: }
1.94 nicm 397: if (changed & ALL_MOUSE_MODES) {
398: if (mode & ALL_MOUSE_MODES) {
1.95 nicm 399: if (mode & MODE_MOUSE_UTF8)
400: tty_puts(tty, "\033[?1005h");
1.98 nicm 401: if (mode & MODE_MOUSE_ANY)
402: tty_puts(tty, "\033[?1003h");
1.94 nicm 403: else if (mode & MODE_MOUSE_BUTTON)
404: tty_puts(tty, "\033[?1002h");
1.98 nicm 405: else if (mode & MODE_MOUSE_STANDARD)
406: tty_puts(tty, "\033[?1000h");
1.86 nicm 407: } else {
1.98 nicm 408: if (tty->mode & MODE_MOUSE_ANY)
409: tty_puts(tty, "\033[?1003l");
1.94 nicm 410: else if (tty->mode & MODE_MOUSE_BUTTON)
411: tty_puts(tty, "\033[?1002l");
1.98 nicm 412: else if (tty->mode & MODE_MOUSE_STANDARD)
413: tty_puts(tty, "\033[?1000l");
1.95 nicm 414: if (tty->mode & MODE_MOUSE_UTF8)
415: tty_puts(tty, "\033[?1005l");
1.86 nicm 416: }
1.76 nicm 417: }
418: if (changed & MODE_KKEYPAD) {
419: if (mode & MODE_KKEYPAD)
420: tty_putcode(tty, TTYC_SMKX);
421: else
422: tty_putcode(tty, TTYC_RMKX);
1.1 nicm 423: }
424: tty->mode = mode;
425: }
426:
427: void
428: tty_emulate_repeat(
429: struct tty *tty, enum tty_code_code code, enum tty_code_code code1, u_int n)
430: {
431: if (tty_term_has(tty->term, code))
432: tty_putcode1(tty, code, n);
433: else {
434: while (n-- > 0)
435: tty_putcode(tty, code1);
436: }
437: }
438:
439: /*
440: * Redraw scroll region using data from screen (already updated). Used when
441: * CSR not supported, or window is a pane that doesn't take up the full
442: * width of the terminal.
443: */
444: void
1.24 nicm 445: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 446: {
1.14 nicm 447: struct window_pane *wp = ctx->wp;
448: struct screen *s = wp->screen;
449: u_int i;
1.1 nicm 450:
451: /*
452: * If region is >= 50% of the screen, just schedule a window redraw. In
453: * most cases, this is likely to be followed by some more scrolling -
454: * without this, the entire pane ends up being redrawn many times which
455: * can be much more data.
456: */
1.101 nicm 457: if (ctx->orlower - ctx->orupper >= screen_size_y(s) / 2) {
1.1 nicm 458: wp->flags |= PANE_REDRAW;
459: return;
460: }
461:
1.14 nicm 462: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
463: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.1 nicm 464: tty_draw_line(tty, s, i, wp->xoff, wp->yoff);
465: } else {
1.14 nicm 466: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.1 nicm 467: tty_draw_line(tty, s, i, wp->xoff, wp->yoff);
468: }
469: }
470:
471: void
472: tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
473: {
474: const struct grid_cell *gc;
1.46 nicm 475: struct grid_line *gl;
1.16 nicm 476: struct grid_cell tmpgc;
1.1 nicm 477: const struct grid_utf8 *gu;
478: u_int i, sx;
479:
1.35 nicm 480: tty_update_mode(tty, tty->mode & ~MODE_CURSOR);
481:
1.1 nicm 482: sx = screen_size_x(s);
1.19 nicm 483: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
484: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 485: if (sx > tty->sx)
486: sx = tty->sx;
487:
1.46 nicm 488: /*
489: * Don't move the cursor to the start permission if it will wrap there
1.50 nicm 490: * itself.
1.46 nicm 491: */
492: gl = NULL;
493: if (py != 0)
494: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 495: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 496: tty->cx < tty->sx || ox != 0 ||
497: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 498: tty_cursor(tty, ox, oy + py);
499:
1.1 nicm 500: for (i = 0; i < sx; i++) {
501: gc = grid_view_peek_cell(s->grid, i, py);
502:
503: gu = NULL;
504: if (gc->flags & GRID_FLAG_UTF8)
505: gu = grid_view_peek_utf8(s->grid, i, py);
506:
507: if (screen_check_selection(s, i, py)) {
1.16 nicm 508: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
509: tmpgc.data = gc->data;
1.77 nicm 510: tmpgc.flags = gc->flags &
1.38 nicm 511: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
512: tmpgc.flags |= s->sel.cell.flags &
513: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.16 nicm 514: tty_cell(tty, &tmpgc, gu);
1.1 nicm 515: } else
516: tty_cell(tty, gc, gu);
517: }
518:
1.35 nicm 519: if (sx >= tty->sx) {
520: tty_update_mode(tty, tty->mode);
1.1 nicm 521: return;
1.35 nicm 522: }
1.1 nicm 523: tty_reset(tty);
524:
1.41 nicm 525: tty_cursor(tty, ox + sx, oy + py);
1.1 nicm 526: if (screen_size_x(s) >= tty->sx && tty_term_has(tty->term, TTYC_EL))
527: tty_putcode(tty, TTYC_EL);
528: else {
529: for (i = sx; i < screen_size_x(s); i++)
530: tty_putc(tty, ' ');
1.15 nicm 531: }
1.35 nicm 532: tty_update_mode(tty, tty->mode);
1.15 nicm 533: }
534:
535: void
1.24 nicm 536: tty_write(void (*cmdfn)(
537: struct tty *, const struct tty_ctx *), const struct tty_ctx *ctx)
1.15 nicm 538: {
539: struct window_pane *wp = ctx->wp;
540: struct client *c;
541: u_int i;
542:
1.75 nicm 543: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 544: if (wp == NULL)
545: return;
546:
547: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
548: return;
1.93 nicm 549: if (!window_pane_visible(wp))
1.15 nicm 550: return;
551:
552: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
553: c = ARRAY_ITEM(&clients, i);
554: if (c == NULL || c->session == NULL)
555: continue;
556: if (c->flags & CLIENT_SUSPENDED)
557: continue;
558:
559: if (c->session->curw->window == wp->window) {
1.89 nicm 560: if (c->tty.term == NULL)
561: continue;
562: if (c->tty.flags & (TTY_FREEZE|TTY_BACKOFF))
1.15 nicm 563: continue;
564: cmdfn(&c->tty, ctx);
565: }
1.1 nicm 566: }
567: }
568:
569: void
1.24 nicm 570: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 571: {
1.77 nicm 572: struct window_pane *wp = ctx->wp;
1.12 nicm 573: struct screen *s = wp->screen;
1.24 nicm 574: u_int i;
1.1 nicm 575:
576: if (wp->xoff != 0 || screen_size_x(s) < tty->sx) {
1.14 nicm 577: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 578: return;
579: }
580:
581: tty_reset(tty);
582:
1.77 nicm 583: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 584:
1.1 nicm 585: if (tty_term_has(tty->term, TTYC_ICH) ||
586: tty_term_has(tty->term, TTYC_ICH1))
1.12 nicm 587: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.77 nicm 588: else if (tty_term_has(tty->term, TTYC_SMIR) &&
1.72 nicm 589: tty_term_has(tty->term, TTYC_RMIR)) {
1.1 nicm 590: tty_putcode(tty, TTYC_SMIR);
1.24 nicm 591: for (i = 0; i < ctx->num; i++)
1.1 nicm 592: tty_putc(tty, ' ');
593: tty_putcode(tty, TTYC_RMIR);
1.72 nicm 594: } else
595: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 596: }
597:
598: void
1.24 nicm 599: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 600: {
1.77 nicm 601: struct window_pane *wp = ctx->wp;
1.12 nicm 602: struct screen *s = wp->screen;
1.1 nicm 603:
1.26 nicm 604: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
605: (!tty_term_has(tty->term, TTYC_DCH) &&
606: !tty_term_has(tty->term, TTYC_DCH1))) {
1.14 nicm 607: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 608: return;
609: }
610:
611: tty_reset(tty);
612:
1.77 nicm 613: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 614:
1.26 nicm 615: if (tty_term_has(tty->term, TTYC_DCH) ||
616: tty_term_has(tty->term, TTYC_DCH1))
617: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.1 nicm 618: }
619:
620: void
1.24 nicm 621: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 622: {
1.77 nicm 623: struct window_pane *wp = ctx->wp;
1.12 nicm 624: struct screen *s = wp->screen;
1.1 nicm 625:
1.77 nicm 626: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
627: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 628: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 629: tty_redraw_region(tty, ctx);
1.1 nicm 630: return;
631: }
632:
633: tty_reset(tty);
634:
1.77 nicm 635: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
636: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 637:
1.12 nicm 638: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 639: }
640:
641: void
1.24 nicm 642: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 643: {
1.77 nicm 644: struct window_pane *wp = ctx->wp;
1.12 nicm 645: struct screen *s = wp->screen;
1.1 nicm 646:
1.77 nicm 647: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
1.72 nicm 648: !tty_term_has(tty->term, TTYC_CSR) ||
649: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 650: tty_redraw_region(tty, ctx);
1.1 nicm 651: return;
652: }
653:
654: tty_reset(tty);
655:
1.77 nicm 656: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
657: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 658:
1.12 nicm 659: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 660: }
661:
662: void
1.24 nicm 663: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 664: {
1.77 nicm 665: struct window_pane *wp = ctx->wp;
1.12 nicm 666: struct screen *s = wp->screen;
667: u_int i;
1.1 nicm 668:
669: tty_reset(tty);
670:
1.77 nicm 671: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 672:
1.1 nicm 673: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
674: tty_term_has(tty->term, TTYC_EL)) {
675: tty_putcode(tty, TTYC_EL);
676: } else {
677: for (i = 0; i < screen_size_x(s); i++)
678: tty_putc(tty, ' ');
679: }
680: }
681:
682: void
1.24 nicm 683: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 684: {
1.77 nicm 685: struct window_pane *wp = ctx->wp;
1.12 nicm 686: struct screen *s = wp->screen;
687: u_int i;
1.1 nicm 688:
689: tty_reset(tty);
690:
1.41 nicm 691: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
692:
1.1 nicm 693: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
694: tty_term_has(tty->term, TTYC_EL))
695: tty_putcode(tty, TTYC_EL);
696: else {
1.14 nicm 697: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 698: tty_putc(tty, ' ');
699: }
700: }
701:
702: void
1.24 nicm 703: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 704: {
1.77 nicm 705: struct window_pane *wp = ctx->wp;
1.12 nicm 706: u_int i;
1.1 nicm 707:
708: tty_reset(tty);
709:
710: if (wp->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1.41 nicm 711: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 712: tty_putcode(tty, TTYC_EL1);
713: } else {
1.41 nicm 714: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.14 nicm 715: for (i = 0; i < ctx->ocx + 1; i++)
1.1 nicm 716: tty_putc(tty, ' ');
717: }
718: }
719:
720: void
1.24 nicm 721: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 722: {
1.77 nicm 723: struct window_pane *wp = ctx->wp;
1.12 nicm 724: struct screen *s = wp->screen;
1.1 nicm 725:
1.56 nicm 726: if (ctx->ocy != ctx->orupper)
727: return;
728:
1.77 nicm 729: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
1.70 nicm 730: !tty_term_has(tty->term, TTYC_CSR) ||
731: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 732: tty_redraw_region(tty, ctx);
1.1 nicm 733: return;
734: }
735:
1.56 nicm 736: tty_reset(tty);
1.77 nicm 737:
1.56 nicm 738: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
739: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 740:
1.56 nicm 741: tty_putcode(tty, TTYC_RI);
1.1 nicm 742: }
743:
744: void
1.24 nicm 745: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 746: {
1.77 nicm 747: struct window_pane *wp = ctx->wp;
1.12 nicm 748: struct screen *s = wp->screen;
1.1 nicm 749:
1.56 nicm 750: if (ctx->ocy != ctx->orlower)
751: return;
752:
1.77 nicm 753: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
1.1 nicm 754: !tty_term_has(tty->term, TTYC_CSR)) {
1.14 nicm 755: tty_redraw_region(tty, ctx);
1.1 nicm 756: return;
757: }
1.52 nicm 758:
759: /*
760: * If this line wrapped naturally (ctx->num is nonzero), don't do
761: * anything - the cursor can just be moved to the last cell and wrap
762: * naturally.
763: */
764: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
765: return;
1.1 nicm 766:
1.56 nicm 767: tty_reset(tty);
1.77 nicm 768:
1.56 nicm 769: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
770: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 771:
1.56 nicm 772: tty_putc(tty, '\n');
1.1 nicm 773: }
774:
775: void
1.24 nicm 776: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 777: {
1.77 nicm 778: struct window_pane *wp = ctx->wp;
1.12 nicm 779: struct screen *s = wp->screen;
780: u_int i, j;
1.1 nicm 781:
782: tty_reset(tty);
783:
1.39 nicm 784: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 785: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 786:
1.1 nicm 787: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
788: tty_term_has(tty->term, TTYC_EL)) {
789: tty_putcode(tty, TTYC_EL);
1.14 nicm 790: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 791: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 792: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 793: tty_putcode(tty, TTYC_EL);
794: if (i == screen_size_y(s) - 1)
795: continue;
796: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
797: tty->cy++;
798: }
799: }
800: } else {
1.14 nicm 801: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 802: tty_putc(tty, ' ');
1.68 nicm 803: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 804: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 805: for (i = 0; i < screen_size_x(s); i++)
806: tty_putc(tty, ' ');
807: }
808: }
809: }
810:
811: void
1.24 nicm 812: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 813: {
1.77 nicm 814: struct window_pane *wp = ctx->wp;
1.12 nicm 815: struct screen *s = wp->screen;
816: u_int i, j;
1.1 nicm 817:
818: tty_reset(tty);
819:
1.39 nicm 820: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 821: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 822:
1.1 nicm 823: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
824: tty_term_has(tty->term, TTYC_EL)) {
1.14 nicm 825: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 826: tty_putcode(tty, TTYC_EL);
827: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
828: tty->cy++;
829: }
830: } else {
1.14 nicm 831: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 832: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 833: for (i = 0; i < screen_size_x(s); i++)
834: tty_putc(tty, ' ');
835: }
836: }
1.14 nicm 837: for (i = 0; i <= ctx->ocx; i++)
1.1 nicm 838: tty_putc(tty, ' ');
839: }
840:
841: void
1.24 nicm 842: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 843: {
1.77 nicm 844: struct window_pane *wp = ctx->wp;
1.12 nicm 845: struct screen *s = wp->screen;
846: u_int i, j;
1.1 nicm 847:
848: tty_reset(tty);
849:
1.39 nicm 850: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 851: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 852:
1.1 nicm 853: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
854: tty_term_has(tty->term, TTYC_EL)) {
855: for (i = 0; i < screen_size_y(s); i++) {
856: tty_putcode(tty, TTYC_EL);
857: if (i != screen_size_y(s) - 1) {
858: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
859: tty->cy++;
860: }
861: }
862: } else {
863: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 864: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 865: for (i = 0; i < screen_size_x(s); i++)
866: tty_putc(tty, ' ');
867: }
1.4 nicm 868: }
869: }
870:
871: void
1.24 nicm 872: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 873: {
1.12 nicm 874: struct window_pane *wp = ctx->wp;
875: struct screen *s = wp->screen;
876: u_int i, j;
1.4 nicm 877:
878: tty_reset(tty);
879:
1.39 nicm 880: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 881:
882: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 883: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 884: for (i = 0; i < screen_size_x(s); i++)
885: tty_putc(tty, 'E');
1.1 nicm 886: }
887: }
888:
889: void
1.24 nicm 890: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 891: {
1.46 nicm 892: struct window_pane *wp = ctx->wp;
893: struct screen *s = wp->screen;
1.58 nicm 894: u_int cx;
1.102 nicm 895: u_int width;
896: const struct grid_cell *gc = ctx->cell;
897: const struct grid_utf8 *gu = ctx->utf8;
898:
899: if (gc->flags & GRID_FLAG_UTF8)
900: width = gu->width;
901: else
902: width = 1;
1.46 nicm 903:
904: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
905:
1.57 nicm 906: /* Is the cursor in the very last position? */
1.102 nicm 907: if (ctx->ocx > wp->sx - width) {
1.57 nicm 908: if (wp->xoff != 0 || wp->sx != tty->sx) {
909: /*
910: * The pane doesn't fill the entire line, the linefeed
911: * will already have happened, so just move the cursor.
912: */
913: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
914: } else if (tty->cx < tty->sx) {
915: /*
916: * The cursor isn't in the last position already, so
1.102 nicm 917: * move as far left as possible and redraw the last
1.57 nicm 918: * cell to move into the last position.
919: */
1.102 nicm 920: cx = screen_size_x(s) - width;
1.50 nicm 921: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
922: tty_cell(tty, &ctx->last_cell, &ctx->last_utf8);
923: }
924: } else
1.46 nicm 925: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 926:
1.12 nicm 927: tty_cell(tty, ctx->cell, ctx->utf8);
1.1 nicm 928: }
929:
930: void
1.24 nicm 931: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 932: {
1.53 nicm 933: struct window_pane *wp = ctx->wp;
1.1 nicm 934:
1.53 nicm 935: /*
936: * Cannot rely on not being a partial character, so just redraw the
937: * whole line.
938: */
1.77 nicm 939: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.100 nicm 940: }
941:
942: void
943: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
944: {
945: u_int i;
946: u_char *str = ctx->ptr;
947:
948: for (i = 0; i < ctx->num; i++)
949: tty_putc(tty, str[i]);
1.1 nicm 950: }
951:
952: void
953: tty_cell(
954: struct tty *tty, const struct grid_cell *gc, const struct grid_utf8 *gu)
955: {
956: u_int i;
957:
958: /* Skip last character if terminal is stupid. */
959: if (tty->term->flags & TERM_EARLYWRAP &&
960: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
961: return;
962:
963: /* If this is a padding character, do nothing. */
964: if (gc->flags & GRID_FLAG_PADDING)
965: return;
966:
967: /* Set the attributes. */
968: tty_attributes(tty, gc);
969:
970: /* If not UTF-8, write directly. */
971: if (!(gc->flags & GRID_FLAG_UTF8)) {
972: if (gc->data < 0x20 || gc->data == 0x7f)
973: return;
974: tty_putc(tty, gc->data);
975: return;
976: }
977:
978: /* If the terminal doesn't support UTF-8, write underscores. */
979: if (!(tty->flags & TTY_UTF8)) {
980: for (i = 0; i < gu->width; i++)
981: tty_putc(tty, '_');
982: return;
983: }
984:
985: /* Otherwise, write UTF-8. */
1.5 nicm 986: tty_pututf8(tty, gu);
1.1 nicm 987: }
988:
989: void
990: tty_reset(struct tty *tty)
991: {
992: struct grid_cell *gc = &tty->cell;
993:
994: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
995: return;
996:
1.90 nicm 997: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 998: tty_putcode(tty, TTYC_RMACS);
999: tty_putcode(tty, TTYC_SGR0);
1000: memcpy(gc, &grid_default_cell, sizeof *gc);
1001: }
1002:
1.40 nicm 1003: /* Set region inside pane. */
1.1 nicm 1004: void
1.39 nicm 1005: tty_region_pane(
1006: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 1007: {
1.77 nicm 1008: struct window_pane *wp = ctx->wp;
1.39 nicm 1009:
1.40 nicm 1010: tty_region(tty, wp->yoff + rupper, wp->yoff + rlower);
1.39 nicm 1011: }
1012:
1.40 nicm 1013: /* Set region at absolute position. */
1.39 nicm 1014: void
1.40 nicm 1015: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1016: {
1017: if (tty->rlower == rlower && tty->rupper == rupper)
1018: return;
1.1 nicm 1019: if (!tty_term_has(tty->term, TTYC_CSR))
1020: return;
1.39 nicm 1021:
1022: tty->rupper = rupper;
1023: tty->rlower = rlower;
1.55 nicm 1024:
1025: /*
1026: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1027: * 0,0 if it is beyond the last column (they do not reset their wrap
1028: * flag so further output causes a line feed). As a workaround, do an
1029: * explicit move to 0 first.
1030: */
1031: if (tty->cx >= tty->sx)
1032: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1033:
1.39 nicm 1034: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1035: tty_cursor(tty, 0, 0);
1.1 nicm 1036: }
1037:
1.42 nicm 1038: /* Move cursor inside pane. */
1.1 nicm 1039: void
1.41 nicm 1040: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1041: {
1.77 nicm 1042: struct window_pane *wp = ctx->wp;
1.41 nicm 1043:
1044: tty_cursor(tty, wp->xoff + cx, wp->yoff + cy);
1045: }
1046:
1.42 nicm 1047: /* Move cursor to absolute position. */
1.41 nicm 1048: void
1049: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1050: {
1.42 nicm 1051: struct tty_term *term = tty->term;
1052: u_int thisx, thisy;
1053: int change;
1.77 nicm 1054:
1.42 nicm 1055: if (cx > tty->sx - 1)
1056: cx = tty->sx - 1;
1057:
1058: thisx = tty->cx;
1059: thisy = tty->cy;
1060:
1061: /* No change. */
1062: if (cx == thisx && cy == thisy)
1063: return;
1064:
1.43 nicm 1065: /* Very end of the line, just use absolute movement. */
1066: if (thisx > tty->sx - 1)
1067: goto absolute;
1068:
1.42 nicm 1069: /* Move to home position (0, 0). */
1070: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1071: tty_putcode(tty, TTYC_HOME);
1072: goto out;
1073: }
1074:
1075: /* Zero on the next line. */
1.48 nicm 1076: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1077: tty_putc(tty, '\r');
1.42 nicm 1078: tty_putc(tty, '\n');
1079: goto out;
1080: }
1081:
1.45 nicm 1082: /* Moving column or row. */
1.42 nicm 1083: if (cy == thisy) {
1.45 nicm 1084: /*
1085: * Moving column only, row staying the same.
1086: */
1087:
1.42 nicm 1088: /* To left edge. */
1089: if (cx == 0) {
1090: tty_putc(tty, '\r');
1091: goto out;
1092: }
1093:
1094: /* One to the left. */
1095: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1096: tty_putcode(tty, TTYC_CUB1);
1097: goto out;
1098: }
1099:
1100: /* One to the right. */
1101: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1102: tty_putcode(tty, TTYC_CUF1);
1103: goto out;
1104: }
1105:
1106: /* Calculate difference. */
1107: change = thisx - cx; /* +ve left, -ve right */
1108:
1109: /*
1110: * Use HPA if change is larger than absolute, otherwise move
1111: * the cursor with CUB/CUF.
1112: */
1.87 nicm 1113: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1114: tty_putcode1(tty, TTYC_HPA, cx);
1115: goto out;
1116: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1117: tty_putcode1(tty, TTYC_CUB, change);
1118: goto out;
1119: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1120: tty_putcode1(tty, TTYC_CUF, -change);
1121: goto out;
1122: }
1.45 nicm 1123: } else if (cx == thisx) {
1124: /*
1125: * Moving row only, column staying the same.
1126: */
1.42 nicm 1127:
1128: /* One above. */
1.77 nicm 1129: if (thisy != tty->rupper &&
1.42 nicm 1130: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1131: tty_putcode(tty, TTYC_CUU1);
1132: goto out;
1133: }
1134:
1135: /* One below. */
1.49 nicm 1136: if (thisy != tty->rlower &&
1.42 nicm 1137: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1138: tty_putcode(tty, TTYC_CUD1);
1139: goto out;
1140: }
1141:
1142: /* Calculate difference. */
1143: change = thisy - cy; /* +ve up, -ve down */
1144:
1145: /*
1.77 nicm 1146: * Try to use VPA if change is larger than absolute or if this
1147: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1148: */
1.87 nicm 1149: if ((u_int) abs(change) > cy ||
1.42 nicm 1150: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1151: (change > 0 && cy - change < tty->rupper)) {
1152: if (tty_term_has(term, TTYC_VPA)) {
1153: tty_putcode1(tty, TTYC_VPA, cy);
1154: goto out;
1155: }
1.42 nicm 1156: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1157: tty_putcode1(tty, TTYC_CUU, change);
1158: goto out;
1159: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1160: tty_putcode1(tty, TTYC_CUD, -change);
1161: goto out;
1162: }
1163: }
1164:
1.43 nicm 1165: absolute:
1.42 nicm 1166: /* Absolute movement. */
1167: tty_putcode2(tty, TTYC_CUP, cy, cx);
1168:
1169: out:
1170: tty->cx = cx;
1171: tty->cy = cy;
1.1 nicm 1172: }
1173:
1174: void
1175: tty_attributes(struct tty *tty, const struct grid_cell *gc)
1176: {
1.63 nicm 1177: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1178: u_char changed;
1.61 nicm 1179:
1.85 nicm 1180: memcpy(&gc2, gc, sizeof gc2);
1.63 nicm 1181:
1.18 nicm 1182: /*
1183: * If no setab, try to use the reverse attribute as a best-effort for a
1184: * non-default background. This is a bit of a hack but it doesn't do
1185: * any serious harm and makes a couple of applications happier.
1186: */
1187: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1188: if (gc2.attr & GRID_ATTR_REVERSE) {
1189: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1190: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1191: } else {
1.85 nicm 1192: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1193: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1194: }
1195: }
1.1 nicm 1196:
1.85 nicm 1197: /* Fix up the colours if necessary. */
1198: tty_check_fg(tty, &gc2);
1199: tty_check_bg(tty, &gc2);
1200:
1.64 nicm 1201: /* If any bits are being cleared, reset everything. */
1.85 nicm 1202: if (tc->attr & ~gc2.attr)
1.64 nicm 1203: tty_reset(tty);
1204:
1205: /*
1206: * Set the colours. This may call tty_reset() (so it comes next) and
1207: * may add to (NOT remove) the desired attributes by changing new_attr.
1208: */
1.85 nicm 1209: tty_colours(tty, &gc2);
1.64 nicm 1210:
1.1 nicm 1211: /* Filter out attribute bits already set. */
1.85 nicm 1212: changed = gc2.attr & ~tc->attr;
1213: tc->attr = gc2.attr;
1.1 nicm 1214:
1215: /* Set the attributes. */
1216: if (changed & GRID_ATTR_BRIGHT)
1217: tty_putcode(tty, TTYC_BOLD);
1218: if (changed & GRID_ATTR_DIM)
1219: tty_putcode(tty, TTYC_DIM);
1220: if (changed & GRID_ATTR_ITALICS)
1221: tty_putcode(tty, TTYC_SMSO);
1222: if (changed & GRID_ATTR_UNDERSCORE)
1223: tty_putcode(tty, TTYC_SMUL);
1224: if (changed & GRID_ATTR_BLINK)
1225: tty_putcode(tty, TTYC_BLINK);
1226: if (changed & GRID_ATTR_REVERSE) {
1227: if (tty_term_has(tty->term, TTYC_REV))
1228: tty_putcode(tty, TTYC_REV);
1229: else if (tty_term_has(tty->term, TTYC_SMSO))
1230: tty_putcode(tty, TTYC_SMSO);
1231: }
1232: if (changed & GRID_ATTR_HIDDEN)
1233: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1234: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1235: tty_putcode(tty, TTYC_SMACS);
1236: }
1237:
1.61 nicm 1238: void
1.85 nicm 1239: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1240: {
1.61 nicm 1241: struct grid_cell *tc = &tty->cell;
1.62 nicm 1242: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1243: int have_ax, fg_default, bg_default;
1.61 nicm 1244:
1245: /* No changes? Nothing is necessary. */
1.62 nicm 1246: if (fg == tc->fg && bg == tc->bg &&
1247: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1248: return;
1.1 nicm 1249:
1.61 nicm 1250: /*
1251: * Is either the default colour? This is handled specially because the
1252: * best solution might be to reset both colours to default, in which
1253: * case if only one is default need to fall onward to set the other
1254: * colour.
1255: */
1.62 nicm 1256: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1257: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1258: if (fg_default || bg_default) {
1259: /*
1260: * If don't have AX but do have op, send sgr0 (op can't
1261: * actually be used because it is sometimes the same as sgr0
1262: * and sometimes isn't). This resets both colours to default.
1263: *
1264: * Otherwise, try to set the default colour only as needed.
1265: */
1266: have_ax = tty_term_has(tty->term, TTYC_AX);
1267: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1268: tty_reset(tty);
1269: else {
1270: if (fg_default &&
1.81 nicm 1271: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1272: if (have_ax)
1273: tty_puts(tty, "\033[39m");
1.81 nicm 1274: else if (tc->fg != 7 ||
1275: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1276: tty_putcode1(tty, TTYC_SETAF, 7);
1277: tc->fg = 8;
1278: tc->flags &= ~GRID_FLAG_FG256;
1279: }
1280: if (bg_default &&
1.81 nicm 1281: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1282: if (have_ax)
1.61 nicm 1283: tty_puts(tty, "\033[49m");
1.81 nicm 1284: else if (tc->bg != 0 ||
1285: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1286: tty_putcode1(tty, TTYC_SETAB, 0);
1287: tc->bg = 8;
1288: tc->flags &= ~GRID_FLAG_BG256;
1289: }
1290: }
1291: }
1.1 nicm 1292:
1.61 nicm 1293: /* Set the foreground colour. */
1294: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1295: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 nicm 1296: tty_colours_fg(tty, gc);
1.1 nicm 1297:
1.61 nicm 1298: /*
1299: * Set the background colour. This must come after the foreground as
1300: * tty_colour_fg() can call tty_reset().
1301: */
1302: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1303: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1304: tty_colours_bg(tty, gc);
1.1 nicm 1305: }
1306:
1307: void
1.85 nicm 1308: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1309: {
1310: u_int colours;
1311:
1312: /* Is this a 256-colour colour? */
1313: if (gc->flags & GRID_FLAG_FG256) {
1314: /* And not a 256 colour mode? */
1315: if (!(tty->term->flags & TERM_88COLOURS) &&
1316: !(tty->term_flags & TERM_88COLOURS) &&
1317: !(tty->term->flags & TERM_256COLOURS) &&
1318: !(tty->term_flags & TERM_256COLOURS)) {
1319: gc->fg = colour_256to16(gc->fg);
1320: if (gc->fg & 8) {
1321: gc->fg &= 7;
1322: gc->attr |= GRID_ATTR_BRIGHT;
1323: } else
1324: gc->attr &= ~GRID_ATTR_BRIGHT;
1325: gc->flags &= ~GRID_FLAG_FG256;
1326: }
1327: return;
1328: }
1329:
1330: /* Is this an aixterm colour? */
1331: colours = tty_term_number(tty->term, TTYC_COLORS);
1332: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1333: gc->fg -= 90;
1334: gc->attr |= GRID_ATTR_BRIGHT;
1335: }
1336: }
1337:
1338: void
1339: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1340: {
1341: u_int colours;
1342:
1343: /* Is this a 256-colour colour? */
1344: if (gc->flags & GRID_FLAG_BG256) {
1345: /*
1346: * And not a 256 colour mode? Translate to 16-colour
1347: * palette. Bold background doesn't exist portably, so just
1348: * discard the bold bit if set.
1349: */
1350: if (!(tty->term->flags & TERM_88COLOURS) &&
1351: !(tty->term_flags & TERM_88COLOURS) &&
1352: !(tty->term->flags & TERM_256COLOURS) &&
1353: !(tty->term_flags & TERM_256COLOURS)) {
1354: gc->bg = colour_256to16(gc->bg);
1355: if (gc->bg & 8)
1356: gc->bg &= 7;
1357: gc->attr &= ~GRID_ATTR_BRIGHT;
1358: gc->flags &= ~GRID_FLAG_BG256;
1359: }
1360: return;
1361: }
1362:
1363: /* Is this an aixterm colour? */
1364: colours = tty_term_number(tty->term, TTYC_COLORS);
1365: if (gc->bg >= 100 && gc->bg <= 107 && colours < 16) {
1366: gc->bg -= 90;
1367: gc->attr |= GRID_ATTR_BRIGHT;
1368: }
1369: }
1370:
1371: void
1372: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1373: {
1.61 nicm 1374: struct grid_cell *tc = &tty->cell;
1375: u_char fg = gc->fg;
1.79 nicm 1376: char s[32];
1.1 nicm 1377:
1.61 nicm 1378: /* Is this a 256-colour colour? */
1.1 nicm 1379: if (gc->flags & GRID_FLAG_FG256) {
1.61 nicm 1380: /* Try as 256 colours or translating to 88. */
1.1 nicm 1381: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1382: goto save_fg;
1.1 nicm 1383: if (tty_try_88(tty, fg, "38") == 0)
1.61 nicm 1384: goto save_fg;
1.85 nicm 1385: /* Else already handled by tty_check_fg. */
1386: return;
1.1 nicm 1387: }
1388:
1.79 nicm 1389: /* Is this an aixterm bright colour? */
1390: if (fg >= 90 && fg <= 97) {
1.85 nicm 1391: xsnprintf(s, sizeof s, "\033[%dm", fg);
1392: tty_puts(tty, s);
1393: goto save_fg;
1.79 nicm 1394: }
1395:
1.61 nicm 1396: /* Otherwise set the foreground colour. */
1397: tty_putcode1(tty, TTYC_SETAF, fg);
1398:
1.77 nicm 1399: save_fg:
1.61 nicm 1400: /* Save the new values in the terminal current cell. */
1401: tc->fg = fg;
1402: tc->flags &= ~GRID_FLAG_FG256;
1403: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1404: }
1405:
1406: void
1.73 nicm 1407: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1408: {
1.61 nicm 1409: struct grid_cell *tc = &tty->cell;
1410: u_char bg = gc->bg;
1.79 nicm 1411: char s[32];
1.1 nicm 1412:
1.61 nicm 1413: /* Is this a 256-colour colour? */
1.1 nicm 1414: if (gc->flags & GRID_FLAG_BG256) {
1.61 nicm 1415: /* Try as 256 colours or translating to 88. */
1.1 nicm 1416: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1417: goto save_bg;
1.1 nicm 1418: if (tty_try_88(tty, bg, "48") == 0)
1.61 nicm 1419: goto save_bg;
1.85 nicm 1420: /* Else already handled by tty_check_bg. */
1421: return;
1.79 nicm 1422: }
1423:
1424: /* Is this an aixterm bright colour? */
1425: if (bg >= 100 && bg <= 107) {
1426: /* 16 colour terminals or above only. */
1427: if (tty_term_number(tty->term, TTYC_COLORS) >= 16) {
1428: xsnprintf(s, sizeof s, "\033[%dm", bg);
1429: tty_puts(tty, s);
1430: goto save_bg;
1431: }
1432: bg -= 100;
1433: /* no such thing as a bold background */
1.1 nicm 1434: }
1435:
1.61 nicm 1436: /* Otherwise set the background colour. */
1437: tty_putcode1(tty, TTYC_SETAB, bg);
1438:
1439: save_bg:
1440: /* Save the new values in the terminal current cell. */
1441: tc->bg = bg;
1442: tc->flags &= ~GRID_FLAG_BG256;
1443: tc->flags |= gc->flags & GRID_FLAG_BG256;
1444: }
1445:
1446: int
1447: tty_try_256(struct tty *tty, u_char colour, const char *type)
1448: {
1449: char s[32];
1450:
1451: if (!(tty->term->flags & TERM_256COLOURS) &&
1452: !(tty->term_flags & TERM_256COLOURS))
1453: return (-1);
1454:
1455: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1456: tty_puts(tty, s);
1457: return (0);
1458: }
1459:
1460: int
1461: tty_try_88(struct tty *tty, u_char colour, const char *type)
1462: {
1463: char s[32];
1464:
1465: if (!(tty->term->flags & TERM_88COLOURS) &&
1466: !(tty->term_flags & TERM_88COLOURS))
1467: return (-1);
1468: colour = colour_256to88(colour);
1469:
1470: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1471: tty_puts(tty, s);
1472: return (0);
1.1 nicm 1473: }
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