Annotation of src/usr.bin/tmux/tty.c, Revision 1.121
1.121 ! nicm 1: /* $OpenBSD: tty.c,v 1.120 2012/03/15 09:22:31 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:
1.120 nicm 46: int tty_large_region(struct tty *, const struct tty_ctx *);
1.24 nicm 47: void tty_redraw_region(struct tty *, const struct tty_ctx *);
1.13 nicm 48: void tty_emulate_repeat(
49: struct tty *, enum tty_code_code, enum tty_code_code, u_int);
1.14 nicm 50: void tty_cell(struct tty *,
1.77 nicm 51: const struct grid_cell *, const struct grid_utf8 *);
1.1 nicm 52:
1.90 nicm 53: #define tty_use_acs(tty) \
1.91 nicm 54: (tty_term_has(tty->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.90 nicm 55:
1.1 nicm 56: void
1.30 nicm 57: tty_init(struct tty *tty, int fd, char *term)
1.1 nicm 58: {
1.30 nicm 59: char *path;
60:
61: memset(tty, 0, sizeof *tty);
1.23 nicm 62: tty->log_fd = -1;
1.22 nicm 63:
1.9 nicm 64: if (term == NULL || *term == '\0')
1.1 nicm 65: tty->termname = xstrdup("unknown");
66: else
67: tty->termname = xstrdup(term);
1.30 nicm 68: tty->fd = fd;
69:
70: if ((path = ttyname(fd)) == NULL)
71: fatalx("ttyname failed");
72: tty->path = xstrdup(path);
1.108 nicm 73: tty->cstyle = 0;
1.107 nicm 74: tty->ccolour = xstrdup("");
1.30 nicm 75:
1.1 nicm 76: tty->flags = 0;
77: tty->term_flags = 0;
1.31 nicm 78: }
79:
1.88 nicm 80: int
1.31 nicm 81: tty_resize(struct tty *tty)
82: {
83: struct winsize ws;
1.88 nicm 84: u_int sx, sy;
1.31 nicm 85:
86: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 87: sx = ws.ws_col;
88: if (sx == 0)
89: sx = 80;
90: sy = ws.ws_row;
91: if (sy == 0)
92: sy = 24;
93: } else {
94: sx = 80;
95: sy = 24;
1.31 nicm 96: }
1.114 nicm 97: if (!tty_set_size(tty, sx, sy))
1.88 nicm 98: return (0);
1.31 nicm 99:
100: tty->cx = UINT_MAX;
101: tty->cy = UINT_MAX;
102:
103: tty->rupper = UINT_MAX;
104: tty->rlower = UINT_MAX;
1.88 nicm 105:
106: /*
107: * If the terminal has been started, reset the actual scroll region and
108: * cursor position, as this may not have happened.
109: */
110: if (tty->flags & TTY_STARTED) {
111: tty_cursor(tty, 0, 0);
112: tty_region(tty, 0, tty->sy - 1);
113: }
114:
1.114 nicm 115: return (1);
116: }
117:
118: int
119: tty_set_size(struct tty *tty, u_int sx, u_int sy) {
120: if (sx == tty->sx && sy == tty->sy)
121: return (0);
122: tty->sx = sx;
123: tty->sy = sy;
1.88 nicm 124: return (1);
1.1 nicm 125: }
126:
127: int
1.17 nicm 128: tty_open(struct tty *tty, const char *overrides, char **cause)
1.1 nicm 129: {
1.88 nicm 130: char out[64];
1.30 nicm 131: int fd;
1.1 nicm 132:
1.30 nicm 133: if (debug_level > 3) {
1.88 nicm 134: xsnprintf(out, sizeof out, "tmux-out-%ld.log", (long) getpid());
135: fd = open(out, O_WRONLY|O_CREAT|O_TRUNC, 0644);
1.30 nicm 136: if (fd != -1 && fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
137: fatal("fcntl failed");
138: tty->log_fd = fd;
1.1 nicm 139: }
140:
1.17 nicm 141: tty->term = tty_term_find(tty->termname, tty->fd, overrides, cause);
1.21 nicm 142: if (tty->term == NULL) {
143: tty_close(tty);
144: return (-1);
145: }
146: tty->flags |= TTY_OPENED;
1.1 nicm 147:
1.66 nicm 148: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_ESCAPE);
1.1 nicm 149:
1.66 nicm 150: tty->event = bufferevent_new(
1.67 nicm 151: tty->fd, tty_read_callback, NULL, tty_error_callback, tty);
1.1 nicm 152:
153: tty_start_tty(tty);
154:
155: tty_keys_init(tty);
156:
157: return (0);
158: }
159:
1.73 nicm 160: /* ARGSUSED */
1.1 nicm 161: void
1.67 nicm 162: tty_read_callback(unused struct bufferevent *bufev, void *data)
163: {
164: struct tty *tty = data;
165:
166: while (tty_keys_next(tty))
167: ;
168: }
169:
1.73 nicm 170: /* ARGSUSED */
1.67 nicm 171: void
1.66 nicm 172: tty_error_callback(
173: unused struct bufferevent *bufev, unused short what, unused void *data)
174: {
175: }
176:
177: void
1.1 nicm 178: tty_start_tty(struct tty *tty)
179: {
180: struct termios tio;
1.33 nicm 181:
1.99 nicm 182: if (tty->fd == -1 || tcgetattr(tty->fd, &tty->tio) != 0)
1.33 nicm 183: return;
1.1 nicm 184:
1.96 nicm 185: setblocking(tty->fd, 0);
1.34 nicm 186:
1.66 nicm 187: bufferevent_enable(tty->event, EV_READ|EV_WRITE);
188:
1.1 nicm 189: memcpy(&tio, &tty->tio, sizeof tio);
190: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
191: tio.c_iflag |= IGNBRK;
192: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
193: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
194: ECHOPRT|ECHOKE|ECHOCTL|ISIG);
195: tio.c_cc[VMIN] = 1;
1.60 deraadt 196: tio.c_cc[VTIME] = 0;
1.99 nicm 197: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
198: tcflush(tty->fd, TCIOFLUSH);
1.1 nicm 199:
1.10 nicm 200: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 201:
1.25 nicm 202: tty_putcode(tty, TTYC_SGR0);
203: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
204:
1.76 nicm 205: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 206: if (tty_use_acs(tty))
207: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 208: tty_putcode(tty, TTYC_CLEAR);
209:
210: tty_putcode(tty, TTYC_CNORM);
211: if (tty_term_has(tty->term, TTYC_KMOUS))
212: tty_puts(tty, "\033[?1000l");
1.121 ! nicm 213:
! 214: if (tty_term_has(tty->term, TTYC_XT))
! 215: tty_puts(tty, "\033[>c");
1.1 nicm 216:
217: tty->cx = UINT_MAX;
218: tty->cy = UINT_MAX;
219:
220: tty->rlower = UINT_MAX;
221: tty->rupper = UINT_MAX;
222:
223: tty->mode = MODE_CURSOR;
1.20 nicm 224:
225: tty->flags |= TTY_STARTED;
1.107 nicm 226:
227: tty_force_cursor_colour(tty, "");
1.1 nicm 228: }
229:
230: void
231: tty_stop_tty(struct tty *tty)
232: {
233: struct winsize ws;
234:
1.20 nicm 235: if (!(tty->flags & TTY_STARTED))
236: return;
237: tty->flags &= ~TTY_STARTED;
238:
1.66 nicm 239: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
240:
1.1 nicm 241: /*
242: * Be flexible about error handling and try not kill the server just
243: * because the fd is invalid. Things like ssh -t can easily leave us
244: * with a dead tty.
245: */
246: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
247: return;
248: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
249: return;
250:
1.103 nicm 251: setblocking(tty->fd, 1);
252:
1.1 nicm 253: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 254: if (tty_use_acs(tty))
255: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 256: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
257: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
258: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.108 nicm 259: if (tty_term_has(tty->term, TTYC_CS1) && tty->cstyle != 0) {
260: if (tty_term_has(tty->term, TTYC_CSR1))
261: tty_raw(tty, tty_term_string(tty->term, TTYC_CSR1));
1.109 nicm 262: else
1.108 nicm 263: tty_raw(tty, tty_term_string1(tty->term, TTYC_CS1, 0));
264: }
1.107 nicm 265: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 266:
267: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
268: if (tty_term_has(tty->term, TTYC_KMOUS))
269: tty_raw(tty, "\033[?1000l");
1.10 nicm 270:
271: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.1 nicm 272: }
273:
274: void
1.20 nicm 275: tty_close(struct tty *tty)
1.1 nicm 276: {
277: if (tty->log_fd != -1) {
278: close(tty->log_fd);
279: tty->log_fd = -1;
280: }
281:
1.67 nicm 282: evtimer_del(&tty->key_timer);
1.20 nicm 283: tty_stop_tty(tty);
1.1 nicm 284:
1.21 nicm 285: if (tty->flags & TTY_OPENED) {
1.66 nicm 286: bufferevent_free(tty->event);
287:
1.21 nicm 288: tty_term_free(tty->term);
289: tty_keys_free(tty);
290:
291: tty->flags &= ~TTY_OPENED;
292: }
1.1 nicm 293:
1.21 nicm 294: if (tty->fd != -1) {
295: close(tty->fd);
296: tty->fd = -1;
297: }
1.1 nicm 298: }
299:
300: void
1.20 nicm 301: tty_free(struct tty *tty)
1.1 nicm 302: {
1.20 nicm 303: tty_close(tty);
1.1 nicm 304:
1.107 nicm 305: xfree(tty->ccolour);
1.1 nicm 306: if (tty->path != NULL)
307: xfree(tty->path);
308: if (tty->termname != NULL)
309: xfree(tty->termname);
310: }
311:
312: void
313: tty_raw(struct tty *tty, const char *s)
314: {
315: write(tty->fd, s, strlen(s));
316: }
317:
318: void
319: tty_putcode(struct tty *tty, enum tty_code_code code)
320: {
321: tty_puts(tty, tty_term_string(tty->term, code));
322: }
323:
324: void
325: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
326: {
327: if (a < 0)
328: return;
329: tty_puts(tty, tty_term_string1(tty->term, code, a));
330: }
331:
332: void
333: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
334: {
335: if (a < 0 || b < 0)
336: return;
337: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
338: }
339:
340: void
1.107 nicm 341: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
342: {
343: if (a != NULL)
344: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
345: }
346:
347: void
1.106 nicm 348: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a, const void *b)
349: {
350: if (a != NULL && b != NULL)
351: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
352: }
353:
354: void
1.1 nicm 355: tty_puts(struct tty *tty, const char *s)
356: {
357: if (*s == '\0')
358: return;
1.66 nicm 359: bufferevent_write(tty->event, s, strlen(s));
1.1 nicm 360:
361: if (tty->log_fd != -1)
362: write(tty->log_fd, s, strlen(s));
363: }
364:
365: void
366: tty_putc(struct tty *tty, u_char ch)
367: {
1.90 nicm 368: const char *acs;
369: u_int sx;
1.1 nicm 370:
1.90 nicm 371: if (tty->cell.attr & GRID_ATTR_CHARSET) {
372: acs = tty_acs_get(tty, ch);
373: if (acs != NULL)
374: bufferevent_write(tty->event, acs, strlen(acs));
375: else
376: bufferevent_write(tty->event, &ch, 1);
377: } else
378: bufferevent_write(tty->event, &ch, 1);
1.1 nicm 379:
380: if (ch >= 0x20 && ch != 0x7f) {
381: sx = tty->sx;
382: if (tty->term->flags & TERM_EARLYWRAP)
383: sx--;
384:
1.46 nicm 385: if (tty->cx >= sx) {
386: tty->cx = 1;
387: if (tty->cy != tty->rlower)
388: tty->cy++;
1.1 nicm 389: } else
390: tty->cx++;
391: }
392:
393: if (tty->log_fd != -1)
394: write(tty->log_fd, &ch, 1);
395: }
396:
397: void
1.5 nicm 398: tty_pututf8(struct tty *tty, const struct grid_utf8 *gu)
399: {
1.71 nicm 400: size_t size;
1.5 nicm 401:
1.71 nicm 402: size = grid_utf8_size(gu);
403: bufferevent_write(tty->event, gu->data, size);
404: if (tty->log_fd != -1)
405: write(tty->log_fd, gu->data, size);
1.54 nicm 406: tty->cx += gu->width;
1.5 nicm 407: }
408:
409: void
1.1 nicm 410: tty_set_title(struct tty *tty, const char *title)
411: {
1.105 nicm 412: if (!tty_term_has(tty->term, TTYC_TSL) ||
413: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 414: return;
415:
1.105 nicm 416: tty_putcode(tty, TTYC_TSL);
1.1 nicm 417: tty_puts(tty, title);
1.105 nicm 418: tty_putcode(tty, TTYC_FSL);
1.1 nicm 419: }
420:
421: void
1.107 nicm 422: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
423: {
424: if (*ccolour == '\0')
425: tty_putcode(tty, TTYC_CR);
426: else
427: tty_putcode_ptr1(tty, TTYC_CC, ccolour);
428: xfree(tty->ccolour);
429: tty->ccolour = xstrdup(ccolour);
430: }
431:
432: void
433: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 434: {
435: int changed;
436:
1.107 nicm 437: if (strcmp(s->ccolour, tty->ccolour))
438: tty_force_cursor_colour(tty, s->ccolour);
439:
1.1 nicm 440: if (tty->flags & TTY_NOCURSOR)
441: mode &= ~MODE_CURSOR;
442:
443: changed = mode ^ tty->mode;
444: if (changed & MODE_CURSOR) {
445: if (mode & MODE_CURSOR)
446: tty_putcode(tty, TTYC_CNORM);
447: else
448: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 449: }
450: if (tty->cstyle != s->cstyle) {
451: if (tty_term_has(tty->term, TTYC_CS1)) {
452: if (s->cstyle == 0 &&
453: tty_term_has(tty->term, TTYC_CSR1))
454: tty_putcode(tty, TTYC_CSR1);
455: else
456: tty_putcode1(tty, TTYC_CS1, s->cstyle);
457: }
458: tty->cstyle = s->cstyle;
1.1 nicm 459: }
1.94 nicm 460: if (changed & ALL_MOUSE_MODES) {
461: if (mode & ALL_MOUSE_MODES) {
1.95 nicm 462: if (mode & MODE_MOUSE_UTF8)
463: tty_puts(tty, "\033[?1005h");
1.98 nicm 464: if (mode & MODE_MOUSE_ANY)
465: tty_puts(tty, "\033[?1003h");
1.94 nicm 466: else if (mode & MODE_MOUSE_BUTTON)
467: tty_puts(tty, "\033[?1002h");
1.98 nicm 468: else if (mode & MODE_MOUSE_STANDARD)
469: tty_puts(tty, "\033[?1000h");
1.86 nicm 470: } else {
1.98 nicm 471: if (tty->mode & MODE_MOUSE_ANY)
472: tty_puts(tty, "\033[?1003l");
1.94 nicm 473: else if (tty->mode & MODE_MOUSE_BUTTON)
474: tty_puts(tty, "\033[?1002l");
1.98 nicm 475: else if (tty->mode & MODE_MOUSE_STANDARD)
476: tty_puts(tty, "\033[?1000l");
1.95 nicm 477: if (tty->mode & MODE_MOUSE_UTF8)
478: tty_puts(tty, "\033[?1005l");
1.86 nicm 479: }
1.76 nicm 480: }
481: if (changed & MODE_KKEYPAD) {
482: if (mode & MODE_KKEYPAD)
483: tty_putcode(tty, TTYC_SMKX);
484: else
485: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 486: }
487: if (changed & MODE_BRACKETPASTE) {
488: if (mode & MODE_BRACKETPASTE)
489: tty_puts(tty, "\033[?2004h");
490: else
491: tty_puts(tty, "\033[?2004l");
1.1 nicm 492: }
493: tty->mode = mode;
494: }
495:
496: void
497: tty_emulate_repeat(
498: struct tty *tty, enum tty_code_code code, enum tty_code_code code1, u_int n)
499: {
500: if (tty_term_has(tty->term, code))
501: tty_putcode1(tty, code, n);
502: else {
503: while (n-- > 0)
504: tty_putcode(tty, code1);
505: }
506: }
507:
508: /*
1.119 nicm 509: * Is the region large enough to be worth redrawing once later rather than
510: * probably several times now? Currently yes if it is more than 50% of the
511: * pane.
512: */
513: int
514: tty_large_region(unused struct tty *tty, const struct tty_ctx *ctx)
515: {
516: struct window_pane *wp = ctx->wp;
517:
518: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
519: }
520:
521: /*
1.1 nicm 522: * Redraw scroll region using data from screen (already updated). Used when
523: * CSR not supported, or window is a pane that doesn't take up the full
524: * width of the terminal.
525: */
526: void
1.24 nicm 527: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 528: {
1.14 nicm 529: struct window_pane *wp = ctx->wp;
530: struct screen *s = wp->screen;
531: u_int i;
1.1 nicm 532:
533: /*
1.119 nicm 534: * If region is large, schedule a window redraw. In most cases this is
535: * likely to be followed by some more scrolling.
1.1 nicm 536: */
1.119 nicm 537: if (tty_large_region(tty, ctx)) {
1.1 nicm 538: wp->flags |= PANE_REDRAW;
539: return;
540: }
541:
1.14 nicm 542: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
543: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.113 nicm 544: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 545: } else {
1.14 nicm 546: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.113 nicm 547: tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
1.1 nicm 548: }
549: }
550:
551: void
552: tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
553: {
554: const struct grid_cell *gc;
1.46 nicm 555: struct grid_line *gl;
1.16 nicm 556: struct grid_cell tmpgc;
1.1 nicm 557: const struct grid_utf8 *gu;
558: u_int i, sx;
559:
1.107 nicm 560: tty_update_mode(tty, tty->mode & ~MODE_CURSOR, s);
1.35 nicm 561:
1.1 nicm 562: sx = screen_size_x(s);
1.19 nicm 563: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
564: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 565: if (sx > tty->sx)
566: sx = tty->sx;
567:
1.46 nicm 568: /*
569: * Don't move the cursor to the start permission if it will wrap there
1.50 nicm 570: * itself.
1.46 nicm 571: */
572: gl = NULL;
573: if (py != 0)
574: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 575: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 576: tty->cx < tty->sx || ox != 0 ||
577: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 578: tty_cursor(tty, ox, oy + py);
579:
1.1 nicm 580: for (i = 0; i < sx; i++) {
581: gc = grid_view_peek_cell(s->grid, i, py);
582:
583: gu = NULL;
584: if (gc->flags & GRID_FLAG_UTF8)
585: gu = grid_view_peek_utf8(s->grid, i, py);
586:
587: if (screen_check_selection(s, i, py)) {
1.16 nicm 588: memcpy(&tmpgc, &s->sel.cell, sizeof tmpgc);
589: tmpgc.data = gc->data;
1.77 nicm 590: tmpgc.flags = gc->flags &
1.38 nicm 591: ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
592: tmpgc.flags |= s->sel.cell.flags &
593: (GRID_FLAG_FG256|GRID_FLAG_BG256);
1.16 nicm 594: tty_cell(tty, &tmpgc, gu);
1.1 nicm 595: } else
596: tty_cell(tty, gc, gu);
597: }
598:
1.35 nicm 599: if (sx >= tty->sx) {
1.107 nicm 600: tty_update_mode(tty, tty->mode, s);
1.1 nicm 601: return;
1.35 nicm 602: }
1.1 nicm 603: tty_reset(tty);
604:
1.41 nicm 605: tty_cursor(tty, ox + sx, oy + py);
1.118 nicm 606: if (ox + screen_size_x(s) >= tty->sx &&
1.117 nicm 607: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 608: tty_putcode(tty, TTYC_EL);
609: else {
610: for (i = sx; i < screen_size_x(s); i++)
611: tty_putc(tty, ' ');
1.15 nicm 612: }
1.107 nicm 613: tty_update_mode(tty, tty->mode, s);
1.15 nicm 614: }
615:
616: void
1.113 nicm 617: tty_write(
618: void (*cmdfn)(struct tty *, const struct tty_ctx *), struct tty_ctx *ctx)
1.15 nicm 619: {
620: struct window_pane *wp = ctx->wp;
621: struct client *c;
1.113 nicm 622: struct session *s;
623: struct options *oo;
1.15 nicm 624: u_int i;
625:
1.75 nicm 626: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 627: if (wp == NULL)
628: return;
629:
630: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
631: return;
1.93 nicm 632: if (!window_pane_visible(wp))
1.15 nicm 633: return;
634:
635: for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
636: c = ARRAY_ITEM(&clients, i);
637: if (c == NULL || c->session == NULL)
638: continue;
639: if (c->flags & CLIENT_SUSPENDED)
640: continue;
1.113 nicm 641: s = c->session;
1.15 nicm 642:
1.113 nicm 643: if (s->curw->window == wp->window) {
1.89 nicm 644: if (c->tty.term == NULL)
645: continue;
1.116 nicm 646: if (c->tty.flags & TTY_FREEZE)
1.15 nicm 647: continue;
1.113 nicm 648: oo = &s->options;
649:
650: ctx->xoff = wp->xoff;
651: ctx->yoff = wp->yoff;
652: if (status_at_line(c) == 0)
653: ctx->yoff++;
654:
1.15 nicm 655: cmdfn(&c->tty, ctx);
656: }
1.1 nicm 657: }
658: }
659:
660: void
1.24 nicm 661: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 662: {
1.77 nicm 663: struct window_pane *wp = ctx->wp;
1.12 nicm 664: struct screen *s = wp->screen;
1.24 nicm 665: u_int i;
1.1 nicm 666:
1.113 nicm 667: if (ctx->xoff != 0 || screen_size_x(s) < tty->sx) {
668: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 669: return;
670: }
671:
672: tty_reset(tty);
673:
1.77 nicm 674: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 675:
1.1 nicm 676: if (tty_term_has(tty->term, TTYC_ICH) ||
677: tty_term_has(tty->term, TTYC_ICH1))
1.12 nicm 678: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.77 nicm 679: else if (tty_term_has(tty->term, TTYC_SMIR) &&
1.72 nicm 680: tty_term_has(tty->term, TTYC_RMIR)) {
1.1 nicm 681: tty_putcode(tty, TTYC_SMIR);
1.24 nicm 682: for (i = 0; i < ctx->num; i++)
1.1 nicm 683: tty_putc(tty, ' ');
684: tty_putcode(tty, TTYC_RMIR);
1.72 nicm 685: } else
1.113 nicm 686: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 687: }
688:
689: void
1.24 nicm 690: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 691: {
1.77 nicm 692: struct window_pane *wp = ctx->wp;
1.12 nicm 693: struct screen *s = wp->screen;
1.1 nicm 694:
1.113 nicm 695: if (ctx->xoff != 0 || screen_size_x(s) < tty->sx ||
1.26 nicm 696: (!tty_term_has(tty->term, TTYC_DCH) &&
697: !tty_term_has(tty->term, TTYC_DCH1))) {
1.113 nicm 698: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 699: return;
700: }
701:
702: tty_reset(tty);
703:
1.77 nicm 704: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 705:
1.26 nicm 706: if (tty_term_has(tty->term, TTYC_DCH) ||
707: tty_term_has(tty->term, TTYC_DCH1))
708: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.1 nicm 709: }
710:
711: void
1.24 nicm 712: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 713: {
1.77 nicm 714: struct window_pane *wp = ctx->wp;
1.12 nicm 715: struct screen *s = wp->screen;
1.1 nicm 716:
1.113 nicm 717: if (ctx->xoff != 0 || screen_size_x(s) < tty->sx ||
1.77 nicm 718: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 719: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 720: tty_redraw_region(tty, ctx);
1.1 nicm 721: return;
722: }
723:
724: tty_reset(tty);
725:
1.77 nicm 726: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
727: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 728:
1.12 nicm 729: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 730: }
731:
732: void
1.24 nicm 733: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 734: {
1.77 nicm 735: struct window_pane *wp = ctx->wp;
1.12 nicm 736: struct screen *s = wp->screen;
1.1 nicm 737:
1.113 nicm 738: if (ctx->xoff != 0 || screen_size_x(s) < tty->sx ||
1.72 nicm 739: !tty_term_has(tty->term, TTYC_CSR) ||
740: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 741: tty_redraw_region(tty, ctx);
1.1 nicm 742: return;
743: }
744:
745: tty_reset(tty);
746:
1.77 nicm 747: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
748: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 749:
1.12 nicm 750: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 751: }
752:
753: void
1.24 nicm 754: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 755: {
1.77 nicm 756: struct window_pane *wp = ctx->wp;
1.12 nicm 757: struct screen *s = wp->screen;
758: u_int i;
1.1 nicm 759:
760: tty_reset(tty);
761:
1.77 nicm 762: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 763:
1.113 nicm 764: if (ctx->xoff == 0 && screen_size_x(s) >= tty->sx &&
1.1 nicm 765: tty_term_has(tty->term, TTYC_EL)) {
766: tty_putcode(tty, TTYC_EL);
767: } else {
768: for (i = 0; i < screen_size_x(s); i++)
769: tty_putc(tty, ' ');
770: }
771: }
772:
773: void
1.24 nicm 774: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 775: {
1.77 nicm 776: struct window_pane *wp = ctx->wp;
1.12 nicm 777: struct screen *s = wp->screen;
778: u_int i;
1.1 nicm 779:
780: tty_reset(tty);
781:
1.41 nicm 782: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
783:
1.113 nicm 784: if (ctx->xoff == 0 && screen_size_x(s) >= tty->sx &&
1.1 nicm 785: tty_term_has(tty->term, TTYC_EL))
786: tty_putcode(tty, TTYC_EL);
787: else {
1.14 nicm 788: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 789: tty_putc(tty, ' ');
790: }
791: }
792:
793: void
1.24 nicm 794: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 795: {
1.113 nicm 796: u_int i;
1.1 nicm 797:
798: tty_reset(tty);
799:
1.113 nicm 800: if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1.41 nicm 801: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 802: tty_putcode(tty, TTYC_EL1);
803: } else {
1.41 nicm 804: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.14 nicm 805: for (i = 0; i < ctx->ocx + 1; i++)
1.1 nicm 806: tty_putc(tty, ' ');
807: }
808: }
809:
810: void
1.24 nicm 811: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 812: {
1.77 nicm 813: struct window_pane *wp = ctx->wp;
1.12 nicm 814: struct screen *s = wp->screen;
1.1 nicm 815:
1.56 nicm 816: if (ctx->ocy != ctx->orupper)
817: return;
818:
1.113 nicm 819: if (ctx->xoff != 0 || screen_size_x(s) < tty->sx ||
1.70 nicm 820: !tty_term_has(tty->term, TTYC_CSR) ||
821: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 822: tty_redraw_region(tty, ctx);
1.1 nicm 823: return;
824: }
825:
1.56 nicm 826: tty_reset(tty);
1.77 nicm 827:
1.56 nicm 828: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
829: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 830:
1.56 nicm 831: tty_putcode(tty, TTYC_RI);
1.1 nicm 832: }
833:
834: void
1.24 nicm 835: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 836: {
1.77 nicm 837: struct window_pane *wp = ctx->wp;
1.12 nicm 838: struct screen *s = wp->screen;
1.1 nicm 839:
1.56 nicm 840: if (ctx->ocy != ctx->orlower)
841: return;
842:
1.113 nicm 843: if (ctx->xoff != 0 || screen_size_x(s) < tty->sx ||
1.1 nicm 844: !tty_term_has(tty->term, TTYC_CSR)) {
1.14 nicm 845: tty_redraw_region(tty, ctx);
1.1 nicm 846: return;
847: }
1.52 nicm 848:
849: /*
850: * If this line wrapped naturally (ctx->num is nonzero), don't do
851: * anything - the cursor can just be moved to the last cell and wrap
852: * naturally.
853: */
854: if (ctx->num && !(tty->term->flags & TERM_EARLYWRAP))
855: return;
1.1 nicm 856:
1.56 nicm 857: tty_reset(tty);
1.77 nicm 858:
1.56 nicm 859: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
860: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 861:
1.56 nicm 862: tty_putc(tty, '\n');
1.1 nicm 863: }
864:
865: void
1.24 nicm 866: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 867: {
1.77 nicm 868: struct window_pane *wp = ctx->wp;
1.12 nicm 869: struct screen *s = wp->screen;
870: u_int i, j;
1.1 nicm 871:
872: tty_reset(tty);
873:
1.39 nicm 874: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 875: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.39 nicm 876:
1.113 nicm 877: if (ctx->xoff == 0 && screen_size_x(s) >= tty->sx &&
1.1 nicm 878: tty_term_has(tty->term, TTYC_EL)) {
879: tty_putcode(tty, TTYC_EL);
1.14 nicm 880: if (ctx->ocy != screen_size_y(s) - 1) {
1.41 nicm 881: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.14 nicm 882: for (i = ctx->ocy + 1; i < screen_size_y(s); i++) {
1.1 nicm 883: tty_putcode(tty, TTYC_EL);
884: if (i == screen_size_y(s) - 1)
885: continue;
886: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
887: tty->cy++;
888: }
889: }
890: } else {
1.14 nicm 891: for (i = ctx->ocx; i < screen_size_x(s); i++)
1.1 nicm 892: tty_putc(tty, ' ');
1.68 nicm 893: for (j = ctx->ocy + 1; j < screen_size_y(s); j++) {
1.41 nicm 894: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 895: for (i = 0; i < screen_size_x(s); i++)
896: tty_putc(tty, ' ');
897: }
898: }
899: }
900:
901: void
1.24 nicm 902: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 903: {
1.77 nicm 904: struct window_pane *wp = ctx->wp;
1.12 nicm 905: struct screen *s = wp->screen;
906: u_int i, j;
1.1 nicm 907:
908: tty_reset(tty);
909:
1.39 nicm 910: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 911: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 912:
1.113 nicm 913: if (ctx->xoff == 0 && screen_size_x(s) >= tty->sx &&
1.1 nicm 914: tty_term_has(tty->term, TTYC_EL)) {
1.14 nicm 915: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 916: tty_putcode(tty, TTYC_EL);
917: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
918: tty->cy++;
919: }
920: } else {
1.14 nicm 921: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 922: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 923: for (i = 0; i < screen_size_x(s); i++)
924: tty_putc(tty, ' ');
925: }
926: }
1.14 nicm 927: for (i = 0; i <= ctx->ocx; i++)
1.1 nicm 928: tty_putc(tty, ' ');
929: }
930:
931: void
1.24 nicm 932: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 933: {
1.77 nicm 934: struct window_pane *wp = ctx->wp;
1.12 nicm 935: struct screen *s = wp->screen;
936: u_int i, j;
1.1 nicm 937:
938: tty_reset(tty);
939:
1.39 nicm 940: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.41 nicm 941: tty_cursor_pane(tty, ctx, 0, 0);
1.39 nicm 942:
1.113 nicm 943: if (ctx->xoff == 0 && screen_size_x(s) >= tty->sx &&
1.1 nicm 944: tty_term_has(tty->term, TTYC_EL)) {
945: for (i = 0; i < screen_size_y(s); i++) {
946: tty_putcode(tty, TTYC_EL);
947: if (i != screen_size_y(s) - 1) {
948: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
949: tty->cy++;
950: }
951: }
952: } else {
953: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 954: tty_cursor_pane(tty, ctx, 0, j);
1.1 nicm 955: for (i = 0; i < screen_size_x(s); i++)
956: tty_putc(tty, ' ');
957: }
1.4 nicm 958: }
959: }
960:
961: void
1.24 nicm 962: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 963: {
1.12 nicm 964: struct window_pane *wp = ctx->wp;
965: struct screen *s = wp->screen;
966: u_int i, j;
1.4 nicm 967:
968: tty_reset(tty);
969:
1.39 nicm 970: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.4 nicm 971:
972: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 973: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 974: for (i = 0; i < screen_size_x(s); i++)
975: tty_putc(tty, 'E');
1.1 nicm 976: }
977: }
978:
979: void
1.24 nicm 980: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 981: {
1.46 nicm 982: struct window_pane *wp = ctx->wp;
983: struct screen *s = wp->screen;
1.58 nicm 984: u_int cx;
1.102 nicm 985: u_int width;
986: const struct grid_cell *gc = ctx->cell;
987: const struct grid_utf8 *gu = ctx->utf8;
988:
989: if (gc->flags & GRID_FLAG_UTF8)
990: width = gu->width;
991: else
992: width = 1;
1.46 nicm 993:
994: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
995:
1.57 nicm 996: /* Is the cursor in the very last position? */
1.102 nicm 997: if (ctx->ocx > wp->sx - width) {
1.113 nicm 998: if (ctx->xoff != 0 || wp->sx != tty->sx) {
1.57 nicm 999: /*
1000: * The pane doesn't fill the entire line, the linefeed
1001: * will already have happened, so just move the cursor.
1002: */
1003: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1004: } else if (tty->cx < tty->sx) {
1005: /*
1006: * The cursor isn't in the last position already, so
1.102 nicm 1007: * move as far left as possible and redraw the last
1.57 nicm 1008: * cell to move into the last position.
1009: */
1.111 nicm 1010: if (ctx->last_cell.flags & GRID_FLAG_UTF8)
1011: cx = screen_size_x(s) - ctx->last_utf8.width;
1012: else
1013: cx = screen_size_x(s) - 1;
1.50 nicm 1014: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1015: tty_cell(tty, &ctx->last_cell, &ctx->last_utf8);
1016: }
1017: } else
1.46 nicm 1018: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1019:
1.12 nicm 1020: tty_cell(tty, ctx->cell, ctx->utf8);
1.1 nicm 1021: }
1022:
1023: void
1.24 nicm 1024: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1025: {
1.53 nicm 1026: struct window_pane *wp = ctx->wp;
1.1 nicm 1027:
1.53 nicm 1028: /*
1029: * Cannot rely on not being a partial character, so just redraw the
1030: * whole line.
1031: */
1.113 nicm 1032: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1033: }
1034:
1035: void
1036: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1037: {
1038: char *buf;
1039: size_t off;
1040:
1041: if (!tty_term_has(tty->term, TTYC_MS))
1042: return;
1043:
1044: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1045: buf = xmalloc(off);
1046:
1047: b64_ntop(ctx->ptr, ctx->num, buf, off);
1048: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1049:
1050: xfree(buf);
1.100 nicm 1051: }
1052:
1053: void
1054: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1055: {
1056: u_int i;
1057: u_char *str = ctx->ptr;
1058:
1059: for (i = 0; i < ctx->num; i++)
1060: tty_putc(tty, str[i]);
1.1 nicm 1061: }
1062:
1063: void
1064: tty_cell(
1065: struct tty *tty, const struct grid_cell *gc, const struct grid_utf8 *gu)
1066: {
1067: u_int i;
1068:
1069: /* Skip last character if terminal is stupid. */
1070: if (tty->term->flags & TERM_EARLYWRAP &&
1071: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
1072: return;
1073:
1074: /* If this is a padding character, do nothing. */
1075: if (gc->flags & GRID_FLAG_PADDING)
1076: return;
1077:
1078: /* Set the attributes. */
1079: tty_attributes(tty, gc);
1080:
1081: /* If not UTF-8, write directly. */
1082: if (!(gc->flags & GRID_FLAG_UTF8)) {
1083: if (gc->data < 0x20 || gc->data == 0x7f)
1084: return;
1085: tty_putc(tty, gc->data);
1086: return;
1087: }
1088:
1089: /* If the terminal doesn't support UTF-8, write underscores. */
1090: if (!(tty->flags & TTY_UTF8)) {
1091: for (i = 0; i < gu->width; i++)
1092: tty_putc(tty, '_');
1093: return;
1094: }
1095:
1096: /* Otherwise, write UTF-8. */
1.5 nicm 1097: tty_pututf8(tty, gu);
1.1 nicm 1098: }
1099:
1100: void
1101: tty_reset(struct tty *tty)
1102: {
1103: struct grid_cell *gc = &tty->cell;
1104:
1105: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
1106: return;
1107:
1.90 nicm 1108: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1109: tty_putcode(tty, TTYC_RMACS);
1110: tty_putcode(tty, TTYC_SGR0);
1111: memcpy(gc, &grid_default_cell, sizeof *gc);
1112: }
1113:
1.40 nicm 1114: /* Set region inside pane. */
1.1 nicm 1115: void
1.39 nicm 1116: tty_region_pane(
1117: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 1118: {
1.113 nicm 1119: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1120: }
1121:
1.40 nicm 1122: /* Set region at absolute position. */
1.39 nicm 1123: void
1.40 nicm 1124: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1125: {
1126: if (tty->rlower == rlower && tty->rupper == rupper)
1127: return;
1.1 nicm 1128: if (!tty_term_has(tty->term, TTYC_CSR))
1129: return;
1.39 nicm 1130:
1131: tty->rupper = rupper;
1132: tty->rlower = rlower;
1.55 nicm 1133:
1134: /*
1135: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1136: * 0,0 if it is beyond the last column (they do not reset their wrap
1137: * flag so further output causes a line feed). As a workaround, do an
1138: * explicit move to 0 first.
1139: */
1140: if (tty->cx >= tty->sx)
1141: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1142:
1.39 nicm 1143: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1144: tty_cursor(tty, 0, 0);
1.1 nicm 1145: }
1146:
1.42 nicm 1147: /* Move cursor inside pane. */
1.1 nicm 1148: void
1.41 nicm 1149: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1150: {
1.113 nicm 1151: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1152: }
1153:
1.42 nicm 1154: /* Move cursor to absolute position. */
1.41 nicm 1155: void
1156: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1157: {
1.42 nicm 1158: struct tty_term *term = tty->term;
1159: u_int thisx, thisy;
1160: int change;
1.77 nicm 1161:
1.42 nicm 1162: if (cx > tty->sx - 1)
1163: cx = tty->sx - 1;
1164:
1165: thisx = tty->cx;
1166: thisy = tty->cy;
1167:
1168: /* No change. */
1169: if (cx == thisx && cy == thisy)
1170: return;
1171:
1.43 nicm 1172: /* Very end of the line, just use absolute movement. */
1173: if (thisx > tty->sx - 1)
1174: goto absolute;
1175:
1.42 nicm 1176: /* Move to home position (0, 0). */
1177: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1178: tty_putcode(tty, TTYC_HOME);
1179: goto out;
1180: }
1181:
1182: /* Zero on the next line. */
1.48 nicm 1183: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1184: tty_putc(tty, '\r');
1.42 nicm 1185: tty_putc(tty, '\n');
1186: goto out;
1187: }
1188:
1.45 nicm 1189: /* Moving column or row. */
1.42 nicm 1190: if (cy == thisy) {
1.45 nicm 1191: /*
1192: * Moving column only, row staying the same.
1193: */
1194:
1.42 nicm 1195: /* To left edge. */
1196: if (cx == 0) {
1197: tty_putc(tty, '\r');
1198: goto out;
1199: }
1200:
1201: /* One to the left. */
1202: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1203: tty_putcode(tty, TTYC_CUB1);
1204: goto out;
1205: }
1206:
1207: /* One to the right. */
1208: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1209: tty_putcode(tty, TTYC_CUF1);
1210: goto out;
1211: }
1212:
1213: /* Calculate difference. */
1214: change = thisx - cx; /* +ve left, -ve right */
1215:
1216: /*
1217: * Use HPA if change is larger than absolute, otherwise move
1218: * the cursor with CUB/CUF.
1219: */
1.87 nicm 1220: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1221: tty_putcode1(tty, TTYC_HPA, cx);
1222: goto out;
1223: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1224: tty_putcode1(tty, TTYC_CUB, change);
1225: goto out;
1226: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1227: tty_putcode1(tty, TTYC_CUF, -change);
1228: goto out;
1229: }
1.45 nicm 1230: } else if (cx == thisx) {
1231: /*
1232: * Moving row only, column staying the same.
1233: */
1.42 nicm 1234:
1235: /* One above. */
1.77 nicm 1236: if (thisy != tty->rupper &&
1.42 nicm 1237: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1238: tty_putcode(tty, TTYC_CUU1);
1239: goto out;
1240: }
1241:
1242: /* One below. */
1.49 nicm 1243: if (thisy != tty->rlower &&
1.42 nicm 1244: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1245: tty_putcode(tty, TTYC_CUD1);
1246: goto out;
1247: }
1248:
1249: /* Calculate difference. */
1250: change = thisy - cy; /* +ve up, -ve down */
1251:
1252: /*
1.77 nicm 1253: * Try to use VPA if change is larger than absolute or if this
1254: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1255: */
1.87 nicm 1256: if ((u_int) abs(change) > cy ||
1.42 nicm 1257: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1258: (change > 0 && cy - change < tty->rupper)) {
1259: if (tty_term_has(term, TTYC_VPA)) {
1260: tty_putcode1(tty, TTYC_VPA, cy);
1261: goto out;
1262: }
1.42 nicm 1263: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1264: tty_putcode1(tty, TTYC_CUU, change);
1265: goto out;
1266: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1267: tty_putcode1(tty, TTYC_CUD, -change);
1268: goto out;
1269: }
1270: }
1271:
1.43 nicm 1272: absolute:
1.42 nicm 1273: /* Absolute movement. */
1274: tty_putcode2(tty, TTYC_CUP, cy, cx);
1275:
1276: out:
1277: tty->cx = cx;
1278: tty->cy = cy;
1.1 nicm 1279: }
1280:
1281: void
1282: tty_attributes(struct tty *tty, const struct grid_cell *gc)
1283: {
1.63 nicm 1284: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1285: u_char changed;
1.61 nicm 1286:
1.85 nicm 1287: memcpy(&gc2, gc, sizeof gc2);
1.63 nicm 1288:
1.18 nicm 1289: /*
1290: * If no setab, try to use the reverse attribute as a best-effort for a
1291: * non-default background. This is a bit of a hack but it doesn't do
1292: * any serious harm and makes a couple of applications happier.
1293: */
1294: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1295: if (gc2.attr & GRID_ATTR_REVERSE) {
1296: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1297: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1298: } else {
1.85 nicm 1299: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1300: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1301: }
1302: }
1.1 nicm 1303:
1.85 nicm 1304: /* Fix up the colours if necessary. */
1305: tty_check_fg(tty, &gc2);
1306: tty_check_bg(tty, &gc2);
1307:
1.64 nicm 1308: /* If any bits are being cleared, reset everything. */
1.85 nicm 1309: if (tc->attr & ~gc2.attr)
1.64 nicm 1310: tty_reset(tty);
1311:
1312: /*
1313: * Set the colours. This may call tty_reset() (so it comes next) and
1314: * may add to (NOT remove) the desired attributes by changing new_attr.
1315: */
1.85 nicm 1316: tty_colours(tty, &gc2);
1.64 nicm 1317:
1.1 nicm 1318: /* Filter out attribute bits already set. */
1.85 nicm 1319: changed = gc2.attr & ~tc->attr;
1320: tc->attr = gc2.attr;
1.1 nicm 1321:
1322: /* Set the attributes. */
1323: if (changed & GRID_ATTR_BRIGHT)
1324: tty_putcode(tty, TTYC_BOLD);
1325: if (changed & GRID_ATTR_DIM)
1326: tty_putcode(tty, TTYC_DIM);
1327: if (changed & GRID_ATTR_ITALICS)
1.104 nicm 1328: {
1329: if (tty_term_has(tty->term, TTYC_SITM))
1330: tty_putcode(tty, TTYC_SITM);
1331: else
1332: tty_putcode(tty, TTYC_SMSO);
1333: }
1.1 nicm 1334: if (changed & GRID_ATTR_UNDERSCORE)
1335: tty_putcode(tty, TTYC_SMUL);
1336: if (changed & GRID_ATTR_BLINK)
1337: tty_putcode(tty, TTYC_BLINK);
1338: if (changed & GRID_ATTR_REVERSE) {
1339: if (tty_term_has(tty->term, TTYC_REV))
1340: tty_putcode(tty, TTYC_REV);
1341: else if (tty_term_has(tty->term, TTYC_SMSO))
1342: tty_putcode(tty, TTYC_SMSO);
1343: }
1344: if (changed & GRID_ATTR_HIDDEN)
1345: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1346: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1347: tty_putcode(tty, TTYC_SMACS);
1348: }
1349:
1.61 nicm 1350: void
1.85 nicm 1351: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1352: {
1.61 nicm 1353: struct grid_cell *tc = &tty->cell;
1.62 nicm 1354: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1355: int have_ax, fg_default, bg_default;
1.61 nicm 1356:
1357: /* No changes? Nothing is necessary. */
1.62 nicm 1358: if (fg == tc->fg && bg == tc->bg &&
1359: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1360: return;
1.1 nicm 1361:
1.61 nicm 1362: /*
1363: * Is either the default colour? This is handled specially because the
1364: * best solution might be to reset both colours to default, in which
1365: * case if only one is default need to fall onward to set the other
1366: * colour.
1367: */
1.62 nicm 1368: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1369: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1370: if (fg_default || bg_default) {
1371: /*
1372: * If don't have AX but do have op, send sgr0 (op can't
1373: * actually be used because it is sometimes the same as sgr0
1374: * and sometimes isn't). This resets both colours to default.
1375: *
1376: * Otherwise, try to set the default colour only as needed.
1377: */
1378: have_ax = tty_term_has(tty->term, TTYC_AX);
1379: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1380: tty_reset(tty);
1381: else {
1382: if (fg_default &&
1.81 nicm 1383: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1384: if (have_ax)
1385: tty_puts(tty, "\033[39m");
1.81 nicm 1386: else if (tc->fg != 7 ||
1387: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1388: tty_putcode1(tty, TTYC_SETAF, 7);
1389: tc->fg = 8;
1390: tc->flags &= ~GRID_FLAG_FG256;
1391: }
1392: if (bg_default &&
1.81 nicm 1393: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1394: if (have_ax)
1.61 nicm 1395: tty_puts(tty, "\033[49m");
1.81 nicm 1396: else if (tc->bg != 0 ||
1397: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1398: tty_putcode1(tty, TTYC_SETAB, 0);
1399: tc->bg = 8;
1400: tc->flags &= ~GRID_FLAG_BG256;
1401: }
1402: }
1403: }
1.1 nicm 1404:
1.61 nicm 1405: /* Set the foreground colour. */
1406: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1407: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 nicm 1408: tty_colours_fg(tty, gc);
1.1 nicm 1409:
1.61 nicm 1410: /*
1411: * Set the background colour. This must come after the foreground as
1412: * tty_colour_fg() can call tty_reset().
1413: */
1414: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1415: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1416: tty_colours_bg(tty, gc);
1.1 nicm 1417: }
1418:
1419: void
1.85 nicm 1420: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1421: {
1422: u_int colours;
1423:
1424: /* Is this a 256-colour colour? */
1425: if (gc->flags & GRID_FLAG_FG256) {
1426: /* And not a 256 colour mode? */
1427: if (!(tty->term->flags & TERM_88COLOURS) &&
1428: !(tty->term_flags & TERM_88COLOURS) &&
1429: !(tty->term->flags & TERM_256COLOURS) &&
1430: !(tty->term_flags & TERM_256COLOURS)) {
1431: gc->fg = colour_256to16(gc->fg);
1432: if (gc->fg & 8) {
1433: gc->fg &= 7;
1434: gc->attr |= GRID_ATTR_BRIGHT;
1435: } else
1436: gc->attr &= ~GRID_ATTR_BRIGHT;
1437: gc->flags &= ~GRID_FLAG_FG256;
1438: }
1439: return;
1440: }
1441:
1442: /* Is this an aixterm colour? */
1443: colours = tty_term_number(tty->term, TTYC_COLORS);
1444: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1445: gc->fg -= 90;
1446: gc->attr |= GRID_ATTR_BRIGHT;
1447: }
1448: }
1449:
1450: void
1451: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1452: {
1453: u_int colours;
1454:
1455: /* Is this a 256-colour colour? */
1456: if (gc->flags & GRID_FLAG_BG256) {
1457: /*
1458: * And not a 256 colour mode? Translate to 16-colour
1459: * palette. Bold background doesn't exist portably, so just
1460: * discard the bold bit if set.
1461: */
1462: if (!(tty->term->flags & TERM_88COLOURS) &&
1463: !(tty->term_flags & TERM_88COLOURS) &&
1464: !(tty->term->flags & TERM_256COLOURS) &&
1465: !(tty->term_flags & TERM_256COLOURS)) {
1466: gc->bg = colour_256to16(gc->bg);
1467: if (gc->bg & 8)
1468: gc->bg &= 7;
1469: gc->attr &= ~GRID_ATTR_BRIGHT;
1470: gc->flags &= ~GRID_FLAG_BG256;
1471: }
1472: return;
1473: }
1474:
1475: /* Is this an aixterm colour? */
1476: colours = tty_term_number(tty->term, TTYC_COLORS);
1.112 nicm 1477: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16) {
1.85 nicm 1478: gc->bg -= 90;
1479: gc->attr |= GRID_ATTR_BRIGHT;
1480: }
1481: }
1482:
1483: void
1484: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1485: {
1.61 nicm 1486: struct grid_cell *tc = &tty->cell;
1487: u_char fg = gc->fg;
1.79 nicm 1488: char s[32];
1.1 nicm 1489:
1.61 nicm 1490: /* Is this a 256-colour colour? */
1.1 nicm 1491: if (gc->flags & GRID_FLAG_FG256) {
1.61 nicm 1492: /* Try as 256 colours or translating to 88. */
1.1 nicm 1493: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1494: goto save_fg;
1.1 nicm 1495: if (tty_try_88(tty, fg, "38") == 0)
1.61 nicm 1496: goto save_fg;
1.85 nicm 1497: /* Else already handled by tty_check_fg. */
1498: return;
1.1 nicm 1499: }
1500:
1.79 nicm 1501: /* Is this an aixterm bright colour? */
1502: if (fg >= 90 && fg <= 97) {
1.85 nicm 1503: xsnprintf(s, sizeof s, "\033[%dm", fg);
1504: tty_puts(tty, s);
1505: goto save_fg;
1.79 nicm 1506: }
1507:
1.61 nicm 1508: /* Otherwise set the foreground colour. */
1509: tty_putcode1(tty, TTYC_SETAF, fg);
1510:
1.77 nicm 1511: save_fg:
1.61 nicm 1512: /* Save the new values in the terminal current cell. */
1513: tc->fg = fg;
1514: tc->flags &= ~GRID_FLAG_FG256;
1515: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1516: }
1517:
1518: void
1.73 nicm 1519: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1520: {
1.61 nicm 1521: struct grid_cell *tc = &tty->cell;
1522: u_char bg = gc->bg;
1.79 nicm 1523: char s[32];
1.1 nicm 1524:
1.61 nicm 1525: /* Is this a 256-colour colour? */
1.1 nicm 1526: if (gc->flags & GRID_FLAG_BG256) {
1.61 nicm 1527: /* Try as 256 colours or translating to 88. */
1.1 nicm 1528: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1529: goto save_bg;
1.1 nicm 1530: if (tty_try_88(tty, bg, "48") == 0)
1.61 nicm 1531: goto save_bg;
1.85 nicm 1532: /* Else already handled by tty_check_bg. */
1533: return;
1.79 nicm 1534: }
1535:
1536: /* Is this an aixterm bright colour? */
1.112 nicm 1537: if (bg >= 90 && bg <= 97) {
1.79 nicm 1538: /* 16 colour terminals or above only. */
1539: if (tty_term_number(tty->term, TTYC_COLORS) >= 16) {
1.112 nicm 1540: xsnprintf(s, sizeof s, "\033[%dm", bg + 10);
1.79 nicm 1541: tty_puts(tty, s);
1542: goto save_bg;
1543: }
1.112 nicm 1544: bg -= 90;
1.79 nicm 1545: /* no such thing as a bold background */
1.1 nicm 1546: }
1547:
1.61 nicm 1548: /* Otherwise set the background colour. */
1549: tty_putcode1(tty, TTYC_SETAB, bg);
1550:
1551: save_bg:
1552: /* Save the new values in the terminal current cell. */
1553: tc->bg = bg;
1554: tc->flags &= ~GRID_FLAG_BG256;
1555: tc->flags |= gc->flags & GRID_FLAG_BG256;
1556: }
1557:
1558: int
1559: tty_try_256(struct tty *tty, u_char colour, const char *type)
1560: {
1561: char s[32];
1562:
1563: if (!(tty->term->flags & TERM_256COLOURS) &&
1564: !(tty->term_flags & TERM_256COLOURS))
1565: return (-1);
1566:
1567: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1568: tty_puts(tty, s);
1569: return (0);
1570: }
1571:
1572: int
1573: tty_try_88(struct tty *tty, u_char colour, const char *type)
1574: {
1575: char s[32];
1576:
1577: if (!(tty->term->flags & TERM_88COLOURS) &&
1578: !(tty->term_flags & TERM_88COLOURS))
1579: return (-1);
1580: colour = colour_256to88(colour);
1581:
1582: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1583: tty_puts(tty, s);
1584: return (0);
1.110 nicm 1585: }
1586:
1587: void
1588: tty_bell(struct tty *tty)
1589: {
1590: tty_putcode(tty, TTYC_BEL);
1.1 nicm 1591: }