Annotation of src/usr.bin/tmux/tty.c, Revision 1.109
1.109 ! nicm 1: /* $OpenBSD: tty.c,v 1.108 2011/05/20 19:17:39 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/ioctl.h>
21:
1.106 nicm 22: #include <netinet/in.h>
23:
1.1 nicm 24: #include <errno.h>
25: #include <fcntl.h>
1.106 nicm 26: #include <resolv.h>
1.42 nicm 27: #include <stdlib.h>
1.1 nicm 28: #include <string.h>
29: #include <termios.h>
30: #include <unistd.h>
31:
32: #include "tmux.h"
33:
1.67 nicm 34: void tty_read_callback(struct bufferevent *, void *);
1.66 nicm 35: void tty_error_callback(struct bufferevent *, short, void *);
36:
1.1 nicm 37: int tty_try_256(struct tty *, u_char, const char *);
38: int tty_try_88(struct tty *, u_char, const char *);
39:
1.85 nicm 40: void tty_colours(struct tty *, const struct grid_cell *);
41: void tty_check_fg(struct tty *, struct grid_cell *);
42: void tty_check_bg(struct tty *, struct grid_cell *);
43: void tty_colours_fg(struct tty *, const struct grid_cell *);
1.73 nicm 44: void tty_colours_bg(struct tty *, const struct grid_cell *);
1.1 nicm 45:
1.24 nicm 46: void tty_redraw_region(struct tty *, const struct tty_ctx *);
1.13 nicm 47: void tty_emulate_repeat(
48: struct tty *, enum tty_code_code, enum tty_code_code, u_int);
1.14 nicm 49: void tty_cell(struct tty *,
1.77 nicm 50: const struct grid_cell *, const struct grid_utf8 *);
1.1 nicm 51:
1.90 nicm 52: #define tty_use_acs(tty) \
1.91 nicm 53: (tty_term_has(tty->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.90 nicm 54:
1.1 nicm 55: void
1.30 nicm 56: tty_init(struct tty *tty, int fd, char *term)
1.1 nicm 57: {
1.30 nicm 58: char *path;
59:
60: memset(tty, 0, sizeof *tty);
1.23 nicm 61: tty->log_fd = -1;
1.22 nicm 62:
1.9 nicm 63: if (term == NULL || *term == '\0')
1.1 nicm 64: tty->termname = xstrdup("unknown");
65: else
66: tty->termname = xstrdup(term);
1.30 nicm 67: tty->fd = fd;
68:
69: if ((path = ttyname(fd)) == NULL)
70: fatalx("ttyname failed");
71: tty->path = xstrdup(path);
1.108 nicm 72: tty->cstyle = 0;
1.107 nicm 73: tty->ccolour = xstrdup("");
1.30 nicm 74:
1.1 nicm 75: tty->flags = 0;
76: tty->term_flags = 0;
1.31 nicm 77: }
78:
1.88 nicm 79: int
1.31 nicm 80: tty_resize(struct tty *tty)
81: {
82: struct winsize ws;
1.88 nicm 83: u_int sx, sy;
1.31 nicm 84:
85: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 86: sx = ws.ws_col;
87: if (sx == 0)
88: sx = 80;
89: sy = ws.ws_row;
90: if (sy == 0)
91: sy = 24;
92: } else {
93: sx = 80;
94: sy = 24;
1.31 nicm 95: }
1.88 nicm 96: if (sx == tty->sx && sy == tty->sy)
97: return (0);
98: tty->sx = sx;
99: tty->sy = sy;
1.31 nicm 100:
101: tty->cx = UINT_MAX;
102: tty->cy = UINT_MAX;
103:
104: tty->rupper = UINT_MAX;
105: tty->rlower = UINT_MAX;
1.88 nicm 106:
107: /*
108: * If the terminal has been started, reset the actual scroll region and
109: * cursor position, as this may not have happened.
110: */
111: if (tty->flags & TTY_STARTED) {
112: tty_cursor(tty, 0, 0);
113: tty_region(tty, 0, tty->sy - 1);
114: }
115:
116: return (1);
1.1 nicm 117: }
118:
119: int
1.17 nicm 120: tty_open(struct tty *tty, const char *overrides, char **cause)
1.1 nicm 121: {
1.88 nicm 122: char out[64];
1.30 nicm 123: int fd;
1.1 nicm 124:
1.30 nicm 125: if (debug_level > 3) {
1.88 nicm 126: xsnprintf(out, sizeof out, "tmux-out-%ld.log", (long) getpid());
127: fd = open(out, O_WRONLY|O_CREAT|O_TRUNC, 0644);
1.30 nicm 128: if (fd != -1 && fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
129: fatal("fcntl failed");
130: tty->log_fd = fd;
1.1 nicm 131: }
132:
1.17 nicm 133: tty->term = tty_term_find(tty->termname, tty->fd, overrides, cause);
1.21 nicm 134: if (tty->term == NULL) {
135: tty_close(tty);
136: return (-1);
137: }
138: tty->flags |= TTY_OPENED;
1.1 nicm 139:
1.66 nicm 140: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_ESCAPE);
1.1 nicm 141:
1.66 nicm 142: tty->event = bufferevent_new(
1.67 nicm 143: tty->fd, tty_read_callback, NULL, tty_error_callback, tty);
1.1 nicm 144:
145: tty_start_tty(tty);
146:
147: tty_keys_init(tty);
148:
149: return (0);
150: }
151:
1.73 nicm 152: /* ARGSUSED */
1.1 nicm 153: void
1.67 nicm 154: tty_read_callback(unused struct bufferevent *bufev, void *data)
155: {
156: struct tty *tty = data;
157:
158: while (tty_keys_next(tty))
159: ;
160: }
161:
1.73 nicm 162: /* ARGSUSED */
1.67 nicm 163: void
1.66 nicm 164: tty_error_callback(
165: unused struct bufferevent *bufev, unused short what, unused void *data)
166: {
167: }
168:
169: void
1.1 nicm 170: tty_start_tty(struct tty *tty)
171: {
172: struct termios tio;
1.33 nicm 173:
1.99 nicm 174: if (tty->fd == -1 || tcgetattr(tty->fd, &tty->tio) != 0)
1.33 nicm 175: return;
1.1 nicm 176:
1.96 nicm 177: setblocking(tty->fd, 0);
1.34 nicm 178:
1.66 nicm 179: bufferevent_enable(tty->event, EV_READ|EV_WRITE);
180:
1.1 nicm 181: memcpy(&tio, &tty->tio, sizeof tio);
182: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
183: tio.c_iflag |= IGNBRK;
184: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
185: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
186: ECHOPRT|ECHOKE|ECHOCTL|ISIG);
187: tio.c_cc[VMIN] = 1;
1.60 deraadt 188: tio.c_cc[VTIME] = 0;
1.99 nicm 189: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
190: tcflush(tty->fd, TCIOFLUSH);
1.1 nicm 191:
1.10 nicm 192: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 193:
1.25 nicm 194: tty_putcode(tty, TTYC_SGR0);
195: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
196:
1.76 nicm 197: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 198: if (tty_use_acs(tty))
199: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 200: tty_putcode(tty, TTYC_CLEAR);
201:
202: tty_putcode(tty, TTYC_CNORM);
203: if (tty_term_has(tty->term, TTYC_KMOUS))
204: tty_puts(tty, "\033[?1000l");
205:
206: tty->cx = UINT_MAX;
207: tty->cy = UINT_MAX;
208:
209: tty->rlower = UINT_MAX;
210: tty->rupper = UINT_MAX;
211:
212: tty->mode = MODE_CURSOR;
1.20 nicm 213:
214: tty->flags |= TTY_STARTED;
1.107 nicm 215:
216: tty_force_cursor_colour(tty, "");
1.1 nicm 217: }
218:
219: void
220: tty_stop_tty(struct tty *tty)
221: {
222: struct winsize ws;
223:
1.20 nicm 224: if (!(tty->flags & TTY_STARTED))
225: return;
226: tty->flags &= ~TTY_STARTED;
227:
1.66 nicm 228: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
229:
1.1 nicm 230: /*
231: * Be flexible about error handling and try not kill the server just
232: * because the fd is invalid. Things like ssh -t can easily leave us
233: * with a dead tty.
234: */
235: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
236: return;
237: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
238: return;
239:
1.103 nicm 240: setblocking(tty->fd, 1);
241:
1.1 nicm 242: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 243: if (tty_use_acs(tty))
244: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 245: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
246: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
247: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.108 nicm 248: if (tty_term_has(tty->term, TTYC_CS1) && tty->cstyle != 0) {
249: if (tty_term_has(tty->term, TTYC_CSR1))
250: tty_raw(tty, tty_term_string(tty->term, TTYC_CSR1));
1.109 ! nicm 251: else
1.108 nicm 252: tty_raw(tty, tty_term_string1(tty->term, TTYC_CS1, 0));
253: }
1.107 nicm 254: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 255:
256: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
257: if (tty_term_has(tty->term, TTYC_KMOUS))
258: tty_raw(tty, "\033[?1000l");
1.10 nicm 259:
260: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.1 nicm 261: }
262:
263: void
1.20 nicm 264: tty_close(struct tty *tty)
1.1 nicm 265: {
266: if (tty->log_fd != -1) {
267: close(tty->log_fd);
268: tty->log_fd = -1;
269: }
270:
1.67 nicm 271: evtimer_del(&tty->key_timer);
1.20 nicm 272: tty_stop_tty(tty);
1.1 nicm 273:
1.21 nicm 274: if (tty->flags & TTY_OPENED) {
1.66 nicm 275: bufferevent_free(tty->event);
276:
1.21 nicm 277: tty_term_free(tty->term);
278: tty_keys_free(tty);
279:
280: tty->flags &= ~TTY_OPENED;
281: }
1.1 nicm 282:
1.21 nicm 283: if (tty->fd != -1) {
284: close(tty->fd);
285: tty->fd = -1;
286: }
1.1 nicm 287: }
288:
289: void
1.20 nicm 290: tty_free(struct tty *tty)
1.1 nicm 291: {
1.20 nicm 292: tty_close(tty);
1.1 nicm 293:
1.107 nicm 294: xfree(tty->ccolour);
1.1 nicm 295: if (tty->path != NULL)
296: xfree(tty->path);
297: if (tty->termname != NULL)
298: xfree(tty->termname);
299: }
300:
301: void
302: tty_raw(struct tty *tty, const char *s)
303: {
304: write(tty->fd, s, strlen(s));
305: }
306:
307: void
308: tty_putcode(struct tty *tty, enum tty_code_code code)
309: {
310: tty_puts(tty, tty_term_string(tty->term, code));
311: }
312:
313: void
314: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
315: {
316: if (a < 0)
317: return;
318: tty_puts(tty, tty_term_string1(tty->term, code, a));
319: }
320:
321: void
322: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
323: {
324: if (a < 0 || b < 0)
325: return;
326: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
327: }
328:
329: void
1.107 nicm 330: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
331: {
332: if (a != NULL)
333: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
334: }
335:
336: void
1.106 nicm 337: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a, const void *b)
338: {
339: if (a != NULL && b != NULL)
340: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
341: }
342:
343: void
1.1 nicm 344: tty_puts(struct tty *tty, const char *s)
345: {
346: if (*s == '\0')
347: return;
1.66 nicm 348: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 349:
350: if (tty->log_fd != -1)
351: write(tty->log_fd, s, strlen(s));
352: }
353:
354: void
355: tty_putc(struct tty *tty, u_char ch)
356: {
1.90 nicm 357: const char *acs;
358: u_int sx;
1.1 nicm 359:
1.90 nicm 360: if (tty->cell.attr & GRID_ATTR_CHARSET) {
361: acs = tty_acs_get(tty, ch);
362: if (acs != NULL)
363: bufferevent_write(tty->event, acs, strlen(acs));
364: else
365: bufferevent_write(tty->event, &ch, 1);
366: } else
367: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 368:
369: if (ch >= 0x20 && ch != 0x7f) {
370: sx = tty->sx;
371: if (tty->term->flags & TERM_EARLYWRAP)
372: sx--;
373:
1.46 nicm 374: if (tty->cx >= sx) {
375: tty->cx = 1;
376: if (tty->cy != tty->rlower)
377: tty->cy++;
1.1 nicm 378: } else
379: tty->cx++;
380: }
381:
382: if (tty->log_fd != -1)
383: write(tty->log_fd, &ch, 1);
384: }
385:
386: void
1.5 nicm 387: tty_pututf8(struct tty *tty, const struct grid_utf8 *gu)
388: {
1.71 nicm 389: size_t size;
1.5 nicm 390:
1.71 nicm 391: size = grid_utf8_size(gu);
392: bufferevent_write(tty->event, gu->data, size);
393: if (tty->log_fd != -1)
394: write(tty->log_fd, gu->data, size);
1.54 nicm 395: tty->cx += gu->width;
1.5 nicm 396: }
397:
398: void
1.1 nicm 399: tty_set_title(struct tty *tty, const char *title)
400: {
1.105 nicm 401: if (!tty_term_has(tty->term, TTYC_TSL) ||
402: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 403: return;
404:
1.105 nicm 405: tty_putcode(tty, TTYC_TSL);
1.1 nicm 406: tty_puts(tty, title);
1.105 nicm 407: tty_putcode(tty, TTYC_FSL);
1.1 nicm 408: }
409:
410: void
1.107 nicm 411: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
412: {
413: if (*ccolour == '\0')
414: tty_putcode(tty, TTYC_CR);
415: else
416: tty_putcode_ptr1(tty, TTYC_CC, ccolour);
417: xfree(tty->ccolour);
418: tty->ccolour = xstrdup(ccolour);
419: }
420:
421: void
422: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 423: {
424: int changed;
425:
1.107 nicm 426: if (strcmp(s->ccolour, tty->ccolour))
427: tty_force_cursor_colour(tty, s->ccolour);
428:
1.1 nicm 429: if (tty->flags & TTY_NOCURSOR)
430: mode &= ~MODE_CURSOR;
431:
432: changed = mode ^ tty->mode;
433: if (changed & MODE_CURSOR) {
434: if (mode & MODE_CURSOR)
435: tty_putcode(tty, TTYC_CNORM);
436: else
437: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 438: }
439: if (tty->cstyle != s->cstyle) {
440: if (tty_term_has(tty->term, TTYC_CS1)) {
441: if (s->cstyle == 0 &&
442: tty_term_has(tty->term, TTYC_CSR1))
443: tty_putcode(tty, TTYC_CSR1);
444: else
445: tty_putcode1(tty, TTYC_CS1, s->cstyle);
446: }
447: tty->cstyle = s->cstyle;
1.1 nicm 448: }
1.94 nicm 449: if (changed & ALL_MOUSE_MODES) {
450: if (mode & ALL_MOUSE_MODES) {
1.95 nicm 451: if (mode & MODE_MOUSE_UTF8)
452: tty_puts(tty, "\033[?1005h");
1.98 nicm 453: if (mode & MODE_MOUSE_ANY)
454: tty_puts(tty, "\033[?1003h");
1.94 nicm 455: else if (mode & MODE_MOUSE_BUTTON)
456: tty_puts(tty, "\033[?1002h");
1.98 nicm 457: else if (mode & MODE_MOUSE_STANDARD)
458: tty_puts(tty, "\033[?1000h");
1.86 nicm 459: } else {
1.98 nicm 460: if (tty->mode & MODE_MOUSE_ANY)
461: tty_puts(tty, "\033[?1003l");
1.94 nicm 462: else if (tty->mode & MODE_MOUSE_BUTTON)
463: tty_puts(tty, "\033[?1002l");
1.98 nicm 464: else if (tty->mode & MODE_MOUSE_STANDARD)
465: tty_puts(tty, "\033[?1000l");
1.95 nicm 466: if (tty->mode & MODE_MOUSE_UTF8)
467: tty_puts(tty, "\033[?1005l");
1.86 nicm 468: }
1.76 nicm 469: }
470: if (changed & MODE_KKEYPAD) {
471: if (mode & MODE_KKEYPAD)
472: tty_putcode(tty, TTYC_SMKX);
473: else
474: tty_putcode(tty, TTYC_RMKX);
1.1 nicm 475: }
476: tty->mode = mode;
477: }
478:
479: void
480: tty_emulate_repeat(
481: struct tty *tty, enum tty_code_code code, enum tty_code_code code1, u_int n)
482: {
483: if (tty_term_has(tty->term, code))
484: tty_putcode1(tty, code, n);
485: else {
486: while (n-- > 0)
487: tty_putcode(tty, code1);
488: }
489: }
490:
491: /*
492: * Redraw scroll region using data from screen (already updated). Used when
493: * CSR not supported, or window is a pane that doesn't take up the full
494: * width of the terminal.
495: */
496: void
1.24 nicm 497: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 498: {
1.14 nicm 499: struct window_pane *wp = ctx->wp;
500: struct screen *s = wp->screen;
501: u_int i;
1.1 nicm 502:
503: /*
504: * If region is >= 50% of the screen, just schedule a window redraw. In
505: * most cases, this is likely to be followed by some more scrolling -
506: * without this, the entire pane ends up being redrawn many times which
507: * can be much more data.
508: */
1.101 nicm 509: if (ctx->orlower - ctx->orupper >= screen_size_y(s) / 2) {
1.1 nicm 510: wp->flags |= PANE_REDRAW;
511: return;
512: }
513:
1.14 nicm 514: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
515: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.1 nicm 516: tty_draw_line(tty, s, i, wp->xoff, wp->yoff);
517: } else {
1.14 nicm 518: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.1 nicm 519: tty_draw_line(tty, s, i, wp->xoff, wp->yoff);
520: }
521: }
522:
523: void
524: tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
525: {
526: const struct grid_cell *gc;
1.46 nicm 527: struct grid_line *gl;
1.16 nicm 528: struct grid_cell tmpgc;
1.1 nicm 529: const struct grid_utf8 *gu;
530: u_int i, sx;
531:
1.107 nicm 532: tty_update_mode(tty, tty->mode & ~MODE_CURSOR, s);
1.35 nicm 533:
1.1 nicm 534: sx = screen_size_x(s);
1.19 nicm 535: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
536: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 537: if (sx > tty->sx)
538: sx = tty->sx;
539:
1.46 nicm 540: /*
541: * Don't move the cursor to the start permission if it will wrap there
1.50 nicm 542: * itself.
1.46 nicm 543: */
544: gl = NULL;
545: if (py != 0)
546: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 547: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 548: tty->cx < tty->sx || ox != 0 ||
549: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 550: tty_cursor(tty, ox, oy + py);
551:
1.1 nicm 552: for (i = 0; i < sx; i++) {
553: gc = grid_view_peek_cell(s->grid, i, py);
554:
555: gu = NULL;
556: if (gc->flags & GRID_FLAG_UTF8)
557: gu = grid_view_peek_utf8(s->grid, i, py);
558:
559: if (screen_check_selection(s, i, py)) {
1.16 nicm 560: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
561: tmpgc.data = gc->data;
1.77 nicm 562: tmpgc.flags = gc->flags &
1.38 nicm 563: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
564: tmpgc.flags |= s->sel.cell.flags &
565: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.16 nicm 566: tty_cell(tty, &tmpgc, gu);
1.1 nicm 567: } else
568: tty_cell(tty, gc, gu);
569: }
570:
1.35 nicm 571: if (sx >= tty->sx) {
1.107 nicm 572: tty_update_mode(tty, tty->mode, s);
1.1 nicm 573: return;
1.35 nicm 574: }
1.1 nicm 575: tty_reset(tty);
576:
1.41 nicm 577: tty_cursor(tty, ox + sx, oy + py);
1.1 nicm 578: if (screen_size_x(s) >= tty->sx && tty_term_has(tty->term, TTYC_EL))
579: tty_putcode(tty, TTYC_EL);
580: else {
581: for (i = sx; i < screen_size_x(s); i++)
582: tty_putc(tty, ' ');
1.15 nicm 583: }
1.107 nicm 584: tty_update_mode(tty, tty->mode, s);
1.15 nicm 585: }
586:
587: void
1.24 nicm 588: tty_write(void (*cmdfn)(
589: struct tty *, const struct tty_ctx *), const struct tty_ctx *ctx)
1.15 nicm 590: {
591: struct window_pane *wp = ctx->wp;
592: struct client *c;
593: u_int i;
594:
1.75 nicm 595: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 596: if (wp == NULL)
597: return;
598:
599: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
600: return;
1.93 nicm 601: if (!window_pane_visible(wp))
1.15 nicm 602: return;
603:
604: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
605: c = ARRAY_ITEM(&clients, i);
606: if (c == NULL || c->session == NULL)
607: continue;
608: if (c->flags & CLIENT_SUSPENDED)
609: continue;
610:
611: if (c->session->curw->window == wp->window) {
1.89 nicm 612: if (c->tty.term == NULL)
613: continue;
614: if (c->tty.flags & (TTY_FREEZE|TTY_BACKOFF))
1.15 nicm 615: continue;
616: cmdfn(&c->tty, ctx);
617: }
1.1 nicm 618: }
619: }
620:
621: void
1.24 nicm 622: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 623: {
1.77 nicm 624: struct window_pane *wp = ctx->wp;
1.12 nicm 625: struct screen *s = wp->screen;
1.24 nicm 626: u_int i;
1.1 nicm 627:
628: if (wp->xoff != 0 || screen_size_x(s) < tty->sx) {
1.14 nicm 629: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 630: return;
631: }
632:
633: tty_reset(tty);
634:
1.77 nicm 635: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 636:
1.1 nicm 637: if (tty_term_has(tty->term, TTYC_ICH) ||
638: tty_term_has(tty->term, TTYC_ICH1))
1.12 nicm 639: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.77 nicm 640: else if (tty_term_has(tty->term, TTYC_SMIR) &&
1.72 nicm 641: tty_term_has(tty->term, TTYC_RMIR)) {
1.1 nicm 642: tty_putcode(tty, TTYC_SMIR);
1.24 nicm 643: for (i = 0; i < ctx->num; i++)
1.1 nicm 644: tty_putc(tty, ' ');
645: tty_putcode(tty, TTYC_RMIR);
1.72 nicm 646: } else
647: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 648: }
649:
650: void
1.24 nicm 651: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 652: {
1.77 nicm 653: struct window_pane *wp = ctx->wp;
1.12 nicm 654: struct screen *s = wp->screen;
1.1 nicm 655:
1.26 nicm 656: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
657: (!tty_term_has(tty->term, TTYC_DCH) &&
658: !tty_term_has(tty->term, TTYC_DCH1))) {
1.14 nicm 659: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.1 nicm 660: return;
661: }
662:
663: tty_reset(tty);
664:
1.77 nicm 665: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 666:
1.26 nicm 667: if (tty_term_has(tty->term, TTYC_DCH) ||
668: tty_term_has(tty->term, TTYC_DCH1))
669: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.1 nicm 670: }
671:
672: void
1.24 nicm 673: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 674: {
1.77 nicm 675: struct window_pane *wp = ctx->wp;
1.12 nicm 676: struct screen *s = wp->screen;
1.1 nicm 677:
1.77 nicm 678: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
679: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 680: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 681: tty_redraw_region(tty, ctx);
1.1 nicm 682: return;
683: }
684:
685: tty_reset(tty);
686:
1.77 nicm 687: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
688: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 689:
1.12 nicm 690: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 691: }
692:
693: void
1.24 nicm 694: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 695: {
1.77 nicm 696: struct window_pane *wp = ctx->wp;
1.12 nicm 697: struct screen *s = wp->screen;
1.1 nicm 698:
1.77 nicm 699: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
1.72 nicm 700: !tty_term_has(tty->term, TTYC_CSR) ||
701: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 702: tty_redraw_region(tty, ctx);
1.1 nicm 703: return;
704: }
705:
706: tty_reset(tty);
707:
1.77 nicm 708: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
709: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 710:
1.12 nicm 711: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 712: }
713:
714: void
1.24 nicm 715: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 716: {
1.77 nicm 717: struct window_pane *wp = ctx->wp;
1.12 nicm 718: struct screen *s = wp->screen;
719: u_int i;
1.1 nicm 720:
721: tty_reset(tty);
722:
1.77 nicm 723: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 724:
1.1 nicm 725: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
726: tty_term_has(tty->term, TTYC_EL)) {
727: tty_putcode(tty, TTYC_EL);
728: } else {
729: for (i = 0; i < screen_size_x(s); i++)
730: tty_putc(tty, ' ');
731: }
732: }
733:
734: void
1.24 nicm 735: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 736: {
1.77 nicm 737: struct window_pane *wp = ctx->wp;
1.12 nicm 738: struct screen *s = wp->screen;
739: u_int i;
1.1 nicm 740:
741: tty_reset(tty);
742:
1.41 nicm 743: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
744:
1.1 nicm 745: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
746: tty_term_has(tty->term, TTYC_EL))
747: tty_putcode(tty, TTYC_EL);
748: else {
1.14 nicm 749: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 750: tty_putc(tty, ' ');
751: }
752: }
753:
754: void
1.24 nicm 755: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 756: {
1.77 nicm 757: struct window_pane *wp = ctx->wp;
1.12 nicm 758: u_int i;
1.1 nicm 759:
760: tty_reset(tty);
761:
762: if (wp->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1.41 nicm 763: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 764: tty_putcode(tty, TTYC_EL1);
765: } else {
1.41 nicm 766: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.14 nicm 767: for (i = 0; i < ctx->ocx + 1; i++)
1.1 nicm 768: tty_putc(tty, ' ');
769: }
770: }
771:
772: void
1.24 nicm 773: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 774: {
1.77 nicm 775: struct window_pane *wp = ctx->wp;
1.12 nicm 776: struct screen *s = wp->screen;
1.1 nicm 777:
1.56 nicm 778: if (ctx->ocy != ctx->orupper)
779: return;
780:
1.77 nicm 781: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
1.70 nicm 782: !tty_term_has(tty->term, TTYC_CSR) ||
783: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 784: tty_redraw_region(tty, ctx);
1.1 nicm 785: return;
786: }
787:
1.56 nicm 788: tty_reset(tty);
1.77 nicm 789:
1.56 nicm 790: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
791: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 792:
1.56 nicm 793: tty_putcode(tty, TTYC_RI);
1.1 nicm 794: }
795:
796: void
1.24 nicm 797: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 798: {
1.77 nicm 799: struct window_pane *wp = ctx->wp;
1.12 nicm 800: struct screen *s = wp->screen;
1.1 nicm 801:
1.56 nicm 802: if (ctx->ocy != ctx->orlower)
803: return;
804:
1.77 nicm 805: if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
1.1 nicm 806: !tty_term_has(tty->term, TTYC_CSR)) {
1.14 nicm 807: tty_redraw_region(tty, ctx);
1.1 nicm 808: return;
809: }
1.52 nicm 810:
811: /*
812: * If this line wrapped naturally (ctx->num is nonzero), don't do
813: * anything - the cursor can just be moved to the last cell and wrap
814: * naturally.
815: */
816: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
817: return;
1.1 nicm 818:
1.56 nicm 819: tty_reset(tty);
1.77 nicm 820:
1.56 nicm 821: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
822: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 823:
1.56 nicm 824: tty_putc(tty, '\n');
1.1 nicm 825: }
826:
827: void
1.24 nicm 828: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 829: {
1.77 nicm 830: struct window_pane *wp = ctx->wp;
1.12 nicm 831: struct screen *s = wp->screen;
832: u_int i, j;
1.1 nicm 833:
834: tty_reset(tty);
835:
1.39 nicm 836: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 837: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 838:
1.1 nicm 839: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
840: tty_term_has(tty->term, TTYC_EL)) {
841: tty_putcode(tty, TTYC_EL);
1.14 nicm 842: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 843: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 844: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 845: tty_putcode(tty, TTYC_EL);
846: if (i == screen_size_y(s) - 1)
847: continue;
848: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
849: tty->cy++;
850: }
851: }
852: } else {
1.14 nicm 853: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 854: tty_putc(tty, ' ');
1.68 nicm 855: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 856: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 857: for (i = 0; i < screen_size_x(s); i++)
858: tty_putc(tty, ' ');
859: }
860: }
861: }
862:
863: void
1.24 nicm 864: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 865: {
1.77 nicm 866: struct window_pane *wp = ctx->wp;
1.12 nicm 867: struct screen *s = wp->screen;
868: u_int i, j;
1.1 nicm 869:
870: tty_reset(tty);
871:
1.39 nicm 872: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 873: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 874:
1.1 nicm 875: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
876: tty_term_has(tty->term, TTYC_EL)) {
1.14 nicm 877: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 878: tty_putcode(tty, TTYC_EL);
879: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
880: tty->cy++;
881: }
882: } else {
1.14 nicm 883: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 884: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 885: for (i = 0; i < screen_size_x(s); i++)
886: tty_putc(tty, ' ');
887: }
888: }
1.14 nicm 889: for (i = 0; i <= ctx->ocx; i++)
1.1 nicm 890: tty_putc(tty, ' ');
891: }
892:
893: void
1.24 nicm 894: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 895: {
1.77 nicm 896: struct window_pane *wp = ctx->wp;
1.12 nicm 897: struct screen *s = wp->screen;
898: u_int i, j;
1.1 nicm 899:
900: tty_reset(tty);
901:
1.39 nicm 902: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 903: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 904:
1.1 nicm 905: if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
906: tty_term_has(tty->term, TTYC_EL)) {
907: for (i = 0; i < screen_size_y(s); i++) {
908: tty_putcode(tty, TTYC_EL);
909: if (i != screen_size_y(s) - 1) {
910: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
911: tty->cy++;
912: }
913: }
914: } else {
915: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 916: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 917: for (i = 0; i < screen_size_x(s); i++)
918: tty_putc(tty, ' ');
919: }
1.4 nicm 920: }
921: }
922:
923: void
1.24 nicm 924: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 925: {
1.12 nicm 926: struct window_pane *wp = ctx->wp;
927: struct screen *s = wp->screen;
928: u_int i, j;
1.4 nicm 929:
930: tty_reset(tty);
931:
1.39 nicm 932: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 933:
934: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 935: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 936: for (i = 0; i < screen_size_x(s); i++)
937: tty_putc(tty, 'E');
1.1 nicm 938: }
939: }
940:
941: void
1.24 nicm 942: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 943: {
1.46 nicm 944: struct window_pane *wp = ctx->wp;
945: struct screen *s = wp->screen;
1.58 nicm 946: u_int cx;
1.102 nicm 947: u_int width;
948: const struct grid_cell *gc = ctx->cell;
949: const struct grid_utf8 *gu = ctx->utf8;
950:
951: if (gc->flags & GRID_FLAG_UTF8)
952: width = gu->width;
953: else
954: width = 1;
1.46 nicm 955:
956: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
957:
1.57 nicm 958: /* Is the cursor in the very last position? */
1.102 nicm 959: if (ctx->ocx > wp->sx - width) {
1.57 nicm 960: if (wp->xoff != 0 || wp->sx != tty->sx) {
961: /*
962: * The pane doesn't fill the entire line, the linefeed
963: * will already have happened, so just move the cursor.
964: */
965: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
966: } else if (tty->cx < tty->sx) {
967: /*
968: * The cursor isn't in the last position already, so
1.102 nicm 969: * move as far left as possible and redraw the last
1.57 nicm 970: * cell to move into the last position.
971: */
1.102 nicm 972: cx = screen_size_x(s) - width;
1.50 nicm 973: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
974: tty_cell(tty, &ctx->last_cell, &ctx->last_utf8);
975: }
976: } else
1.46 nicm 977: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 978:
1.12 nicm 979: tty_cell(tty, ctx->cell, ctx->utf8);
1.1 nicm 980: }
981:
982: void
1.24 nicm 983: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 984: {
1.53 nicm 985: struct window_pane *wp = ctx->wp;
1.1 nicm 986:
1.53 nicm 987: /*
988: * Cannot rely on not being a partial character, so just redraw the
989: * whole line.
990: */
1.77 nicm 991: tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
1.106 nicm 992: }
993:
994: void
995: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
996: {
997: char *buf;
998: size_t off;
999:
1000: if (!tty_term_has(tty->term, TTYC_MS))
1001: return;
1002:
1003: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1004: buf = xmalloc(off);
1005:
1006: b64_ntop(ctx->ptr, ctx->num, buf, off);
1007: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1008:
1009: xfree(buf);
1.100 nicm 1010: }
1011:
1012: void
1013: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1014: {
1015: u_int i;
1016: u_char *str = ctx->ptr;
1017:
1018: for (i = 0; i < ctx->num; i++)
1019: tty_putc(tty, str[i]);
1.1 nicm 1020: }
1021:
1022: void
1023: tty_cell(
1024: struct tty *tty, const struct grid_cell *gc, const struct grid_utf8 *gu)
1025: {
1026: u_int i;
1027:
1028: /* Skip last character if terminal is stupid. */
1029: if (tty->term->flags & TERM_EARLYWRAP &&
1030: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
1031: return;
1032:
1033: /* If this is a padding character, do nothing. */
1034: if (gc->flags & GRID_FLAG_PADDING)
1035: return;
1036:
1037: /* Set the attributes. */
1038: tty_attributes(tty, gc);
1039:
1040: /* If not UTF-8, write directly. */
1041: if (!(gc->flags & GRID_FLAG_UTF8)) {
1042: if (gc->data < 0x20 || gc->data == 0x7f)
1043: return;
1044: tty_putc(tty, gc->data);
1045: return;
1046: }
1047:
1048: /* If the terminal doesn't support UTF-8, write underscores. */
1049: if (!(tty->flags & TTY_UTF8)) {
1050: for (i = 0; i < gu->width; i++)
1051: tty_putc(tty, '_');
1052: return;
1053: }
1054:
1055: /* Otherwise, write UTF-8. */
1.5 nicm 1056: tty_pututf8(tty, gu);
1.1 nicm 1057: }
1058:
1059: void
1060: tty_reset(struct tty *tty)
1061: {
1062: struct grid_cell *gc = &tty->cell;
1063:
1064: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
1065: return;
1066:
1.90 nicm 1067: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1068: tty_putcode(tty, TTYC_RMACS);
1069: tty_putcode(tty, TTYC_SGR0);
1070: memcpy(gc, &grid_default_cell, sizeof *gc);
1071: }
1072:
1.40 nicm 1073: /* Set region inside pane. */
1.1 nicm 1074: void
1.39 nicm 1075: tty_region_pane(
1076: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 1077: {
1.77 nicm 1078: struct window_pane *wp = ctx->wp;
1.39 nicm 1079:
1.40 nicm 1080: tty_region(tty, wp->yoff + rupper, wp->yoff + rlower);
1.39 nicm 1081: }
1082:
1.40 nicm 1083: /* Set region at absolute position. */
1.39 nicm 1084: void
1.40 nicm 1085: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1086: {
1087: if (tty->rlower == rlower && tty->rupper == rupper)
1088: return;
1.1 nicm 1089: if (!tty_term_has(tty->term, TTYC_CSR))
1090: return;
1.39 nicm 1091:
1092: tty->rupper = rupper;
1093: tty->rlower = rlower;
1.55 nicm 1094:
1095: /*
1096: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1097: * 0,0 if it is beyond the last column (they do not reset their wrap
1098: * flag so further output causes a line feed). As a workaround, do an
1099: * explicit move to 0 first.
1100: */
1101: if (tty->cx >= tty->sx)
1102: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1103:
1.39 nicm 1104: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1105: tty_cursor(tty, 0, 0);
1.1 nicm 1106: }
1107:
1.42 nicm 1108: /* Move cursor inside pane. */
1.1 nicm 1109: void
1.41 nicm 1110: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1111: {
1.77 nicm 1112: struct window_pane *wp = ctx->wp;
1.41 nicm 1113:
1114: tty_cursor(tty, wp->xoff + cx, wp->yoff + cy);
1115: }
1116:
1.42 nicm 1117: /* Move cursor to absolute position. */
1.41 nicm 1118: void
1119: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1120: {
1.42 nicm 1121: struct tty_term *term = tty->term;
1122: u_int thisx, thisy;
1123: int change;
1.77 nicm 1124:
1.42 nicm 1125: if (cx > tty->sx - 1)
1126: cx = tty->sx - 1;
1127:
1128: thisx = tty->cx;
1129: thisy = tty->cy;
1130:
1131: /* No change. */
1132: if (cx == thisx && cy == thisy)
1133: return;
1134:
1.43 nicm 1135: /* Very end of the line, just use absolute movement. */
1136: if (thisx > tty->sx - 1)
1137: goto absolute;
1138:
1.42 nicm 1139: /* Move to home position (0, 0). */
1140: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1141: tty_putcode(tty, TTYC_HOME);
1142: goto out;
1143: }
1144:
1145: /* Zero on the next line. */
1.48 nicm 1146: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1147: tty_putc(tty, '\r');
1.42 nicm 1148: tty_putc(tty, '\n');
1149: goto out;
1150: }
1151:
1.45 nicm 1152: /* Moving column or row. */
1.42 nicm 1153: if (cy == thisy) {
1.45 nicm 1154: /*
1155: * Moving column only, row staying the same.
1156: */
1157:
1.42 nicm 1158: /* To left edge. */
1159: if (cx == 0) {
1160: tty_putc(tty, '\r');
1161: goto out;
1162: }
1163:
1164: /* One to the left. */
1165: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1166: tty_putcode(tty, TTYC_CUB1);
1167: goto out;
1168: }
1169:
1170: /* One to the right. */
1171: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1172: tty_putcode(tty, TTYC_CUF1);
1173: goto out;
1174: }
1175:
1176: /* Calculate difference. */
1177: change = thisx - cx; /* +ve left, -ve right */
1178:
1179: /*
1180: * Use HPA if change is larger than absolute, otherwise move
1181: * the cursor with CUB/CUF.
1182: */
1.87 nicm 1183: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1184: tty_putcode1(tty, TTYC_HPA, cx);
1185: goto out;
1186: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1187: tty_putcode1(tty, TTYC_CUB, change);
1188: goto out;
1189: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1190: tty_putcode1(tty, TTYC_CUF, -change);
1191: goto out;
1192: }
1.45 nicm 1193: } else if (cx == thisx) {
1194: /*
1195: * Moving row only, column staying the same.
1196: */
1.42 nicm 1197:
1198: /* One above. */
1.77 nicm 1199: if (thisy != tty->rupper &&
1.42 nicm 1200: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1201: tty_putcode(tty, TTYC_CUU1);
1202: goto out;
1203: }
1204:
1205: /* One below. */
1.49 nicm 1206: if (thisy != tty->rlower &&
1.42 nicm 1207: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1208: tty_putcode(tty, TTYC_CUD1);
1209: goto out;
1210: }
1211:
1212: /* Calculate difference. */
1213: change = thisy - cy; /* +ve up, -ve down */
1214:
1215: /*
1.77 nicm 1216: * Try to use VPA if change is larger than absolute or if this
1217: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1218: */
1.87 nicm 1219: if ((u_int) abs(change) > cy ||
1.42 nicm 1220: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1221: (change > 0 && cy - change < tty->rupper)) {
1222: if (tty_term_has(term, TTYC_VPA)) {
1223: tty_putcode1(tty, TTYC_VPA, cy);
1224: goto out;
1225: }
1.42 nicm 1226: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1227: tty_putcode1(tty, TTYC_CUU, change);
1228: goto out;
1229: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1230: tty_putcode1(tty, TTYC_CUD, -change);
1231: goto out;
1232: }
1233: }
1234:
1.43 nicm 1235: absolute:
1.42 nicm 1236: /* Absolute movement. */
1237: tty_putcode2(tty, TTYC_CUP, cy, cx);
1238:
1239: out:
1240: tty->cx = cx;
1241: tty->cy = cy;
1.1 nicm 1242: }
1243:
1244: void
1245: tty_attributes(struct tty *tty, const struct grid_cell *gc)
1246: {
1.63 nicm 1247: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1248: u_char changed;
1.61 nicm 1249:
1.85 nicm 1250: memcpy(&gc2, gc, sizeof gc2);
1.63 nicm 1251:
1.18 nicm 1252: /*
1253: * If no setab, try to use the reverse attribute as a best-effort for a
1254: * non-default background. This is a bit of a hack but it doesn't do
1255: * any serious harm and makes a couple of applications happier.
1256: */
1257: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1258: if (gc2.attr & GRID_ATTR_REVERSE) {
1259: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1260: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1261: } else {
1.85 nicm 1262: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1263: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1264: }
1265: }
1.1 nicm 1266:
1.85 nicm 1267: /* Fix up the colours if necessary. */
1268: tty_check_fg(tty, &gc2);
1269: tty_check_bg(tty, &gc2);
1270:
1.64 nicm 1271: /* If any bits are being cleared, reset everything. */
1.85 nicm 1272: if (tc->attr & ~gc2.attr)
1.64 nicm 1273: tty_reset(tty);
1274:
1275: /*
1276: * Set the colours. This may call tty_reset() (so it comes next) and
1277: * may add to (NOT remove) the desired attributes by changing new_attr.
1278: */
1.85 nicm 1279: tty_colours(tty, &gc2);
1.64 nicm 1280:
1.1 nicm 1281: /* Filter out attribute bits already set. */
1.85 nicm 1282: changed = gc2.attr & ~tc->attr;
1283: tc->attr = gc2.attr;
1.1 nicm 1284:
1285: /* Set the attributes. */
1286: if (changed & GRID_ATTR_BRIGHT)
1287: tty_putcode(tty, TTYC_BOLD);
1288: if (changed & GRID_ATTR_DIM)
1289: tty_putcode(tty, TTYC_DIM);
1290: if (changed & GRID_ATTR_ITALICS)
1.104 nicm 1291: {
1292: if (tty_term_has(tty->term, TTYC_SITM))
1293: tty_putcode(tty, TTYC_SITM);
1294: else
1295: tty_putcode(tty, TTYC_SMSO);
1296: }
1.1 nicm 1297: if (changed & GRID_ATTR_UNDERSCORE)
1298: tty_putcode(tty, TTYC_SMUL);
1299: if (changed & GRID_ATTR_BLINK)
1300: tty_putcode(tty, TTYC_BLINK);
1301: if (changed & GRID_ATTR_REVERSE) {
1302: if (tty_term_has(tty->term, TTYC_REV))
1303: tty_putcode(tty, TTYC_REV);
1304: else if (tty_term_has(tty->term, TTYC_SMSO))
1305: tty_putcode(tty, TTYC_SMSO);
1306: }
1307: if (changed & GRID_ATTR_HIDDEN)
1308: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1309: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1310: tty_putcode(tty, TTYC_SMACS);
1311: }
1312:
1.61 nicm 1313: void
1.85 nicm 1314: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1315: {
1.61 nicm 1316: struct grid_cell *tc = &tty->cell;
1.62 nicm 1317: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1318: int have_ax, fg_default, bg_default;
1.61 nicm 1319:
1320: /* No changes? Nothing is necessary. */
1.62 nicm 1321: if (fg == tc->fg && bg == tc->bg &&
1322: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1323: return;
1.1 nicm 1324:
1.61 nicm 1325: /*
1326: * Is either the default colour? This is handled specially because the
1327: * best solution might be to reset both colours to default, in which
1328: * case if only one is default need to fall onward to set the other
1329: * colour.
1330: */
1.62 nicm 1331: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1332: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1333: if (fg_default || bg_default) {
1334: /*
1335: * If don't have AX but do have op, send sgr0 (op can't
1336: * actually be used because it is sometimes the same as sgr0
1337: * and sometimes isn't). This resets both colours to default.
1338: *
1339: * Otherwise, try to set the default colour only as needed.
1340: */
1341: have_ax = tty_term_has(tty->term, TTYC_AX);
1342: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1343: tty_reset(tty);
1344: else {
1345: if (fg_default &&
1.81 nicm 1346: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1347: if (have_ax)
1348: tty_puts(tty, "\033[39m");
1.81 nicm 1349: else if (tc->fg != 7 ||
1350: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1351: tty_putcode1(tty, TTYC_SETAF, 7);
1352: tc->fg = 8;
1353: tc->flags &= ~GRID_FLAG_FG256;
1354: }
1355: if (bg_default &&
1.81 nicm 1356: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1357: if (have_ax)
1.61 nicm 1358: tty_puts(tty, "\033[49m");
1.81 nicm 1359: else if (tc->bg != 0 ||
1360: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1361: tty_putcode1(tty, TTYC_SETAB, 0);
1362: tc->bg = 8;
1363: tc->flags &= ~GRID_FLAG_BG256;
1364: }
1365: }
1366: }
1.1 nicm 1367:
1.61 nicm 1368: /* Set the foreground colour. */
1369: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1370: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 nicm 1371: tty_colours_fg(tty, gc);
1.1 nicm 1372:
1.61 nicm 1373: /*
1374: * Set the background colour. This must come after the foreground as
1375: * tty_colour_fg() can call tty_reset().
1376: */
1377: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1378: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1379: tty_colours_bg(tty, gc);
1.1 nicm 1380: }
1381:
1382: void
1.85 nicm 1383: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1384: {
1385: u_int colours;
1386:
1387: /* Is this a 256-colour colour? */
1388: if (gc->flags & GRID_FLAG_FG256) {
1389: /* And not a 256 colour mode? */
1390: if (!(tty->term->flags & TERM_88COLOURS) &&
1391: !(tty->term_flags & TERM_88COLOURS) &&
1392: !(tty->term->flags & TERM_256COLOURS) &&
1393: !(tty->term_flags & TERM_256COLOURS)) {
1394: gc->fg = colour_256to16(gc->fg);
1395: if (gc->fg & 8) {
1396: gc->fg &= 7;
1397: gc->attr |= GRID_ATTR_BRIGHT;
1398: } else
1399: gc->attr &= ~GRID_ATTR_BRIGHT;
1400: gc->flags &= ~GRID_FLAG_FG256;
1401: }
1402: return;
1403: }
1404:
1405: /* Is this an aixterm colour? */
1406: colours = tty_term_number(tty->term, TTYC_COLORS);
1407: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1408: gc->fg -= 90;
1409: gc->attr |= GRID_ATTR_BRIGHT;
1410: }
1411: }
1412:
1413: void
1414: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1415: {
1416: u_int colours;
1417:
1418: /* Is this a 256-colour colour? */
1419: if (gc->flags & GRID_FLAG_BG256) {
1420: /*
1421: * And not a 256 colour mode? Translate to 16-colour
1422: * palette. Bold background doesn't exist portably, so just
1423: * discard the bold bit if set.
1424: */
1425: if (!(tty->term->flags & TERM_88COLOURS) &&
1426: !(tty->term_flags & TERM_88COLOURS) &&
1427: !(tty->term->flags & TERM_256COLOURS) &&
1428: !(tty->term_flags & TERM_256COLOURS)) {
1429: gc->bg = colour_256to16(gc->bg);
1430: if (gc->bg & 8)
1431: gc->bg &= 7;
1432: gc->attr &= ~GRID_ATTR_BRIGHT;
1433: gc->flags &= ~GRID_FLAG_BG256;
1434: }
1435: return;
1436: }
1437:
1438: /* Is this an aixterm colour? */
1439: colours = tty_term_number(tty->term, TTYC_COLORS);
1440: if (gc->bg >= 100 && gc->bg <= 107 && colours < 16) {
1441: gc->bg -= 90;
1442: gc->attr |= GRID_ATTR_BRIGHT;
1443: }
1444: }
1445:
1446: void
1447: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1448: {
1.61 nicm 1449: struct grid_cell *tc = &tty->cell;
1450: u_char fg = gc->fg;
1.79 nicm 1451: char s[32];
1.1 nicm 1452:
1.61 nicm 1453: /* Is this a 256-colour colour? */
1.1 nicm 1454: if (gc->flags & GRID_FLAG_FG256) {
1.61 nicm 1455: /* Try as 256 colours or translating to 88. */
1.1 nicm 1456: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1457: goto save_fg;
1.1 nicm 1458: if (tty_try_88(tty, fg, "38") == 0)
1.61 nicm 1459: goto save_fg;
1.85 nicm 1460: /* Else already handled by tty_check_fg. */
1461: return;
1.1 nicm 1462: }
1463:
1.79 nicm 1464: /* Is this an aixterm bright colour? */
1465: if (fg >= 90 && fg <= 97) {
1.85 nicm 1466: xsnprintf(s, sizeof s, "\033[%dm", fg);
1467: tty_puts(tty, s);
1468: goto save_fg;
1.79 nicm 1469: }
1470:
1.61 nicm 1471: /* Otherwise set the foreground colour. */
1472: tty_putcode1(tty, TTYC_SETAF, fg);
1473:
1.77 nicm 1474: save_fg:
1.61 nicm 1475: /* Save the new values in the terminal current cell. */
1476: tc->fg = fg;
1477: tc->flags &= ~GRID_FLAG_FG256;
1478: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1479: }
1480:
1481: void
1.73 nicm 1482: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1483: {
1.61 nicm 1484: struct grid_cell *tc = &tty->cell;
1485: u_char bg = gc->bg;
1.79 nicm 1486: char s[32];
1.1 nicm 1487:
1.61 nicm 1488: /* Is this a 256-colour colour? */
1.1 nicm 1489: if (gc->flags & GRID_FLAG_BG256) {
1.61 nicm 1490: /* Try as 256 colours or translating to 88. */
1.1 nicm 1491: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1492: goto save_bg;
1.1 nicm 1493: if (tty_try_88(tty, bg, "48") == 0)
1.61 nicm 1494: goto save_bg;
1.85 nicm 1495: /* Else already handled by tty_check_bg. */
1496: return;
1.79 nicm 1497: }
1498:
1499: /* Is this an aixterm bright colour? */
1500: if (bg >= 100 && bg <= 107) {
1501: /* 16 colour terminals or above only. */
1502: if (tty_term_number(tty->term, TTYC_COLORS) >= 16) {
1503: xsnprintf(s, sizeof s, "\033[%dm", bg);
1504: tty_puts(tty, s);
1505: goto save_bg;
1506: }
1507: bg -= 100;
1508: /* no such thing as a bold background */
1.1 nicm 1509: }
1510:
1.61 nicm 1511: /* Otherwise set the background colour. */
1512: tty_putcode1(tty, TTYC_SETAB, bg);
1513:
1514: save_bg:
1515: /* Save the new values in the terminal current cell. */
1516: tc->bg = bg;
1517: tc->flags &= ~GRID_FLAG_BG256;
1518: tc->flags |= gc->flags & GRID_FLAG_BG256;
1519: }
1520:
1521: int
1522: tty_try_256(struct tty *tty, u_char colour, const char *type)
1523: {
1524: char s[32];
1525:
1526: if (!(tty->term->flags & TERM_256COLOURS) &&
1527: !(tty->term_flags & TERM_256COLOURS))
1528: return (-1);
1529:
1530: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1531: tty_puts(tty, s);
1532: return (0);
1533: }
1534:
1535: int
1536: tty_try_88(struct tty *tty, u_char colour, const char *type)
1537: {
1538: char s[32];
1539:
1540: if (!(tty->term->flags & TERM_88COLOURS) &&
1541: !(tty->term_flags & TERM_88COLOURS))
1542: return (-1);
1543: colour = colour_256to88(colour);
1544:
1545: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1546: tty_puts(tty, s);
1547: return (0);
1.1 nicm 1548: }
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