Annotation of src/usr.bin/tmux/tty.c, Revision 1.122
1.122 ! nicm 1: /* $OpenBSD: tty.c,v 1.121 2012/03/15 10:36:00 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: */
1.122 ! nicm 1003: if (ctx->ocy != wp->yoff + wp->sy)
! 1004: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
! 1005: else
! 1006: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.57 nicm 1007: } else if (tty->cx < tty->sx) {
1008: /*
1009: * The cursor isn't in the last position already, so
1.102 nicm 1010: * move as far left as possible and redraw the last
1.57 nicm 1011: * cell to move into the last position.
1012: */
1.111 nicm 1013: if (ctx->last_cell.flags & GRID_FLAG_UTF8)
1014: cx = screen_size_x(s) - ctx->last_utf8.width;
1015: else
1016: cx = screen_size_x(s) - 1;
1.50 nicm 1017: tty_cursor_pane(tty, ctx, cx, ctx->ocy);
1018: tty_cell(tty, &ctx->last_cell, &ctx->last_utf8);
1019: }
1020: } else
1.46 nicm 1021: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1022:
1.12 nicm 1023: tty_cell(tty, ctx->cell, ctx->utf8);
1.1 nicm 1024: }
1025:
1026: void
1.24 nicm 1027: tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1028: {
1.53 nicm 1029: struct window_pane *wp = ctx->wp;
1.1 nicm 1030:
1.53 nicm 1031: /*
1032: * Cannot rely on not being a partial character, so just redraw the
1033: * whole line.
1034: */
1.113 nicm 1035: tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
1.106 nicm 1036: }
1037:
1038: void
1039: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1040: {
1041: char *buf;
1042: size_t off;
1043:
1044: if (!tty_term_has(tty->term, TTYC_MS))
1045: return;
1046:
1047: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1048: buf = xmalloc(off);
1049:
1050: b64_ntop(ctx->ptr, ctx->num, buf, off);
1051: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1052:
1053: xfree(buf);
1.100 nicm 1054: }
1055:
1056: void
1057: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1058: {
1059: u_int i;
1060: u_char *str = ctx->ptr;
1061:
1062: for (i = 0; i < ctx->num; i++)
1063: tty_putc(tty, str[i]);
1.1 nicm 1064: }
1065:
1066: void
1067: tty_cell(
1068: struct tty *tty, const struct grid_cell *gc, const struct grid_utf8 *gu)
1069: {
1070: u_int i;
1071:
1072: /* Skip last character if terminal is stupid. */
1073: if (tty->term->flags & TERM_EARLYWRAP &&
1074: tty->cy == tty->sy - 1 && tty->cx == tty->sx - 1)
1075: return;
1076:
1077: /* If this is a padding character, do nothing. */
1078: if (gc->flags & GRID_FLAG_PADDING)
1079: return;
1080:
1081: /* Set the attributes. */
1082: tty_attributes(tty, gc);
1083:
1084: /* If not UTF-8, write directly. */
1085: if (!(gc->flags & GRID_FLAG_UTF8)) {
1086: if (gc->data < 0x20 || gc->data == 0x7f)
1087: return;
1088: tty_putc(tty, gc->data);
1089: return;
1090: }
1091:
1092: /* If the terminal doesn't support UTF-8, write underscores. */
1093: if (!(tty->flags & TTY_UTF8)) {
1094: for (i = 0; i < gu->width; i++)
1095: tty_putc(tty, '_');
1096: return;
1097: }
1098:
1099: /* Otherwise, write UTF-8. */
1.5 nicm 1100: tty_pututf8(tty, gu);
1.1 nicm 1101: }
1102:
1103: void
1104: tty_reset(struct tty *tty)
1105: {
1106: struct grid_cell *gc = &tty->cell;
1107:
1108: if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
1109: return;
1110:
1.90 nicm 1111: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1112: tty_putcode(tty, TTYC_RMACS);
1113: tty_putcode(tty, TTYC_SGR0);
1114: memcpy(gc, &grid_default_cell, sizeof *gc);
1115: }
1116:
1.40 nicm 1117: /* Set region inside pane. */
1.1 nicm 1118: void
1.39 nicm 1119: tty_region_pane(
1120: struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
1.1 nicm 1121: {
1.113 nicm 1122: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1123: }
1124:
1.40 nicm 1125: /* Set region at absolute position. */
1.39 nicm 1126: void
1.40 nicm 1127: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1128: {
1129: if (tty->rlower == rlower && tty->rupper == rupper)
1130: return;
1.1 nicm 1131: if (!tty_term_has(tty->term, TTYC_CSR))
1132: return;
1.39 nicm 1133:
1134: tty->rupper = rupper;
1135: tty->rlower = rlower;
1.55 nicm 1136:
1137: /*
1138: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1139: * 0,0 if it is beyond the last column (they do not reset their wrap
1140: * flag so further output causes a line feed). As a workaround, do an
1141: * explicit move to 0 first.
1142: */
1143: if (tty->cx >= tty->sx)
1144: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1145:
1.39 nicm 1146: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.78 nicm 1147: tty_cursor(tty, 0, 0);
1.1 nicm 1148: }
1149:
1.42 nicm 1150: /* Move cursor inside pane. */
1.1 nicm 1151: void
1.41 nicm 1152: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1153: {
1.113 nicm 1154: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1155: }
1156:
1.42 nicm 1157: /* Move cursor to absolute position. */
1.41 nicm 1158: void
1159: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1160: {
1.42 nicm 1161: struct tty_term *term = tty->term;
1162: u_int thisx, thisy;
1163: int change;
1.77 nicm 1164:
1.42 nicm 1165: if (cx > tty->sx - 1)
1166: cx = tty->sx - 1;
1167:
1168: thisx = tty->cx;
1169: thisy = tty->cy;
1170:
1171: /* No change. */
1172: if (cx == thisx && cy == thisy)
1173: return;
1174:
1.43 nicm 1175: /* Very end of the line, just use absolute movement. */
1176: if (thisx > tty->sx - 1)
1177: goto absolute;
1178:
1.42 nicm 1179: /* Move to home position (0, 0). */
1180: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1181: tty_putcode(tty, TTYC_HOME);
1182: goto out;
1183: }
1184:
1185: /* Zero on the next line. */
1.48 nicm 1186: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1187: tty_putc(tty, '\r');
1.42 nicm 1188: tty_putc(tty, '\n');
1189: goto out;
1190: }
1191:
1.45 nicm 1192: /* Moving column or row. */
1.42 nicm 1193: if (cy == thisy) {
1.45 nicm 1194: /*
1195: * Moving column only, row staying the same.
1196: */
1197:
1.42 nicm 1198: /* To left edge. */
1199: if (cx == 0) {
1200: tty_putc(tty, '\r');
1201: goto out;
1202: }
1203:
1204: /* One to the left. */
1205: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1206: tty_putcode(tty, TTYC_CUB1);
1207: goto out;
1208: }
1209:
1210: /* One to the right. */
1211: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1212: tty_putcode(tty, TTYC_CUF1);
1213: goto out;
1214: }
1215:
1216: /* Calculate difference. */
1217: change = thisx - cx; /* +ve left, -ve right */
1218:
1219: /*
1220: * Use HPA if change is larger than absolute, otherwise move
1221: * the cursor with CUB/CUF.
1222: */
1.87 nicm 1223: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1224: tty_putcode1(tty, TTYC_HPA, cx);
1225: goto out;
1226: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1227: tty_putcode1(tty, TTYC_CUB, change);
1228: goto out;
1229: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1230: tty_putcode1(tty, TTYC_CUF, -change);
1231: goto out;
1232: }
1.45 nicm 1233: } else if (cx == thisx) {
1234: /*
1235: * Moving row only, column staying the same.
1236: */
1.42 nicm 1237:
1238: /* One above. */
1.77 nicm 1239: if (thisy != tty->rupper &&
1.42 nicm 1240: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1241: tty_putcode(tty, TTYC_CUU1);
1242: goto out;
1243: }
1244:
1245: /* One below. */
1.49 nicm 1246: if (thisy != tty->rlower &&
1.42 nicm 1247: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1248: tty_putcode(tty, TTYC_CUD1);
1249: goto out;
1250: }
1251:
1252: /* Calculate difference. */
1253: change = thisy - cy; /* +ve up, -ve down */
1254:
1255: /*
1.77 nicm 1256: * Try to use VPA if change is larger than absolute or if this
1257: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1258: */
1.87 nicm 1259: if ((u_int) abs(change) > cy ||
1.42 nicm 1260: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1261: (change > 0 && cy - change < tty->rupper)) {
1262: if (tty_term_has(term, TTYC_VPA)) {
1263: tty_putcode1(tty, TTYC_VPA, cy);
1264: goto out;
1265: }
1.42 nicm 1266: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1267: tty_putcode1(tty, TTYC_CUU, change);
1268: goto out;
1269: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1270: tty_putcode1(tty, TTYC_CUD, -change);
1271: goto out;
1272: }
1273: }
1274:
1.43 nicm 1275: absolute:
1.42 nicm 1276: /* Absolute movement. */
1277: tty_putcode2(tty, TTYC_CUP, cy, cx);
1278:
1279: out:
1280: tty->cx = cx;
1281: tty->cy = cy;
1.1 nicm 1282: }
1283:
1284: void
1285: tty_attributes(struct tty *tty, const struct grid_cell *gc)
1286: {
1.63 nicm 1287: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1288: u_char changed;
1.61 nicm 1289:
1.85 nicm 1290: memcpy(&gc2, gc, sizeof gc2);
1.63 nicm 1291:
1.18 nicm 1292: /*
1293: * If no setab, try to use the reverse attribute as a best-effort for a
1294: * non-default background. This is a bit of a hack but it doesn't do
1295: * any serious harm and makes a couple of applications happier.
1296: */
1297: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1298: if (gc2.attr & GRID_ATTR_REVERSE) {
1299: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1300: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1301: } else {
1.85 nicm 1302: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1303: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1304: }
1305: }
1.1 nicm 1306:
1.85 nicm 1307: /* Fix up the colours if necessary. */
1308: tty_check_fg(tty, &gc2);
1309: tty_check_bg(tty, &gc2);
1310:
1.64 nicm 1311: /* If any bits are being cleared, reset everything. */
1.85 nicm 1312: if (tc->attr & ~gc2.attr)
1.64 nicm 1313: tty_reset(tty);
1314:
1315: /*
1316: * Set the colours. This may call tty_reset() (so it comes next) and
1317: * may add to (NOT remove) the desired attributes by changing new_attr.
1318: */
1.85 nicm 1319: tty_colours(tty, &gc2);
1.64 nicm 1320:
1.1 nicm 1321: /* Filter out attribute bits already set. */
1.85 nicm 1322: changed = gc2.attr & ~tc->attr;
1323: tc->attr = gc2.attr;
1.1 nicm 1324:
1325: /* Set the attributes. */
1326: if (changed & GRID_ATTR_BRIGHT)
1327: tty_putcode(tty, TTYC_BOLD);
1328: if (changed & GRID_ATTR_DIM)
1329: tty_putcode(tty, TTYC_DIM);
1330: if (changed & GRID_ATTR_ITALICS)
1.104 nicm 1331: {
1332: if (tty_term_has(tty->term, TTYC_SITM))
1333: tty_putcode(tty, TTYC_SITM);
1334: else
1335: tty_putcode(tty, TTYC_SMSO);
1336: }
1.1 nicm 1337: if (changed & GRID_ATTR_UNDERSCORE)
1338: tty_putcode(tty, TTYC_SMUL);
1339: if (changed & GRID_ATTR_BLINK)
1340: tty_putcode(tty, TTYC_BLINK);
1341: if (changed & GRID_ATTR_REVERSE) {
1342: if (tty_term_has(tty->term, TTYC_REV))
1343: tty_putcode(tty, TTYC_REV);
1344: else if (tty_term_has(tty->term, TTYC_SMSO))
1345: tty_putcode(tty, TTYC_SMSO);
1346: }
1347: if (changed & GRID_ATTR_HIDDEN)
1348: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1349: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1350: tty_putcode(tty, TTYC_SMACS);
1351: }
1352:
1.61 nicm 1353: void
1.85 nicm 1354: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1355: {
1.61 nicm 1356: struct grid_cell *tc = &tty->cell;
1.62 nicm 1357: u_char fg = gc->fg, bg = gc->bg, flags = gc->flags;
1358: int have_ax, fg_default, bg_default;
1.61 nicm 1359:
1360: /* No changes? Nothing is necessary. */
1.62 nicm 1361: if (fg == tc->fg && bg == tc->bg &&
1362: ((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
1.63 nicm 1363: return;
1.1 nicm 1364:
1.61 nicm 1365: /*
1366: * Is either the default colour? This is handled specially because the
1367: * best solution might be to reset both colours to default, in which
1368: * case if only one is default need to fall onward to set the other
1369: * colour.
1370: */
1.62 nicm 1371: fg_default = (fg == 8 && !(flags & GRID_FLAG_FG256));
1372: bg_default = (bg == 8 && !(flags & GRID_FLAG_BG256));
1.61 nicm 1373: if (fg_default || bg_default) {
1374: /*
1375: * If don't have AX but do have op, send sgr0 (op can't
1376: * actually be used because it is sometimes the same as sgr0
1377: * and sometimes isn't). This resets both colours to default.
1378: *
1379: * Otherwise, try to set the default colour only as needed.
1380: */
1381: have_ax = tty_term_has(tty->term, TTYC_AX);
1382: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1383: tty_reset(tty);
1384: else {
1385: if (fg_default &&
1.81 nicm 1386: (tc->fg != 8 || tc->flags & GRID_FLAG_FG256)) {
1.61 nicm 1387: if (have_ax)
1388: tty_puts(tty, "\033[39m");
1.81 nicm 1389: else if (tc->fg != 7 ||
1390: tc->flags & GRID_FLAG_FG256)
1.61 nicm 1391: tty_putcode1(tty, TTYC_SETAF, 7);
1392: tc->fg = 8;
1393: tc->flags &= ~GRID_FLAG_FG256;
1394: }
1395: if (bg_default &&
1.81 nicm 1396: (tc->bg != 8 || tc->flags & GRID_FLAG_BG256)) {
1.77 nicm 1397: if (have_ax)
1.61 nicm 1398: tty_puts(tty, "\033[49m");
1.81 nicm 1399: else if (tc->bg != 0 ||
1400: tc->flags & GRID_FLAG_BG256)
1.61 nicm 1401: tty_putcode1(tty, TTYC_SETAB, 0);
1402: tc->bg = 8;
1403: tc->flags &= ~GRID_FLAG_BG256;
1404: }
1405: }
1406: }
1.1 nicm 1407:
1.61 nicm 1408: /* Set the foreground colour. */
1409: if (!fg_default && (fg != tc->fg ||
1.62 nicm 1410: ((flags & GRID_FLAG_FG256) != (tc->flags & GRID_FLAG_FG256))))
1.85 nicm 1411: tty_colours_fg(tty, gc);
1.1 nicm 1412:
1.61 nicm 1413: /*
1414: * Set the background colour. This must come after the foreground as
1415: * tty_colour_fg() can call tty_reset().
1416: */
1417: if (!bg_default && (bg != tc->bg ||
1.62 nicm 1418: ((flags & GRID_FLAG_BG256) != (tc->flags & GRID_FLAG_BG256))))
1.73 nicm 1419: tty_colours_bg(tty, gc);
1.1 nicm 1420: }
1421:
1422: void
1.85 nicm 1423: tty_check_fg(struct tty *tty, struct grid_cell *gc)
1424: {
1425: u_int colours;
1426:
1427: /* Is this a 256-colour colour? */
1428: if (gc->flags & GRID_FLAG_FG256) {
1429: /* And not a 256 colour mode? */
1430: if (!(tty->term->flags & TERM_88COLOURS) &&
1431: !(tty->term_flags & TERM_88COLOURS) &&
1432: !(tty->term->flags & TERM_256COLOURS) &&
1433: !(tty->term_flags & TERM_256COLOURS)) {
1434: gc->fg = colour_256to16(gc->fg);
1435: if (gc->fg & 8) {
1436: gc->fg &= 7;
1437: gc->attr |= GRID_ATTR_BRIGHT;
1438: } else
1439: gc->attr &= ~GRID_ATTR_BRIGHT;
1440: gc->flags &= ~GRID_FLAG_FG256;
1441: }
1442: return;
1443: }
1444:
1445: /* Is this an aixterm colour? */
1446: colours = tty_term_number(tty->term, TTYC_COLORS);
1447: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1448: gc->fg -= 90;
1449: gc->attr |= GRID_ATTR_BRIGHT;
1450: }
1451: }
1452:
1453: void
1454: tty_check_bg(struct tty *tty, struct grid_cell *gc)
1455: {
1456: u_int colours;
1457:
1458: /* Is this a 256-colour colour? */
1459: if (gc->flags & GRID_FLAG_BG256) {
1460: /*
1461: * And not a 256 colour mode? Translate to 16-colour
1462: * palette. Bold background doesn't exist portably, so just
1463: * discard the bold bit if set.
1464: */
1465: if (!(tty->term->flags & TERM_88COLOURS) &&
1466: !(tty->term_flags & TERM_88COLOURS) &&
1467: !(tty->term->flags & TERM_256COLOURS) &&
1468: !(tty->term_flags & TERM_256COLOURS)) {
1469: gc->bg = colour_256to16(gc->bg);
1470: if (gc->bg & 8)
1471: gc->bg &= 7;
1472: gc->attr &= ~GRID_ATTR_BRIGHT;
1473: gc->flags &= ~GRID_FLAG_BG256;
1474: }
1475: return;
1476: }
1477:
1478: /* Is this an aixterm colour? */
1479: colours = tty_term_number(tty->term, TTYC_COLORS);
1.112 nicm 1480: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16) {
1.85 nicm 1481: gc->bg -= 90;
1482: gc->attr |= GRID_ATTR_BRIGHT;
1483: }
1484: }
1485:
1486: void
1487: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1488: {
1.61 nicm 1489: struct grid_cell *tc = &tty->cell;
1490: u_char fg = gc->fg;
1.79 nicm 1491: char s[32];
1.1 nicm 1492:
1.61 nicm 1493: /* Is this a 256-colour colour? */
1.1 nicm 1494: if (gc->flags & GRID_FLAG_FG256) {
1.61 nicm 1495: /* Try as 256 colours or translating to 88. */
1.1 nicm 1496: if (tty_try_256(tty, fg, "38") == 0)
1.61 nicm 1497: goto save_fg;
1.1 nicm 1498: if (tty_try_88(tty, fg, "38") == 0)
1.61 nicm 1499: goto save_fg;
1.85 nicm 1500: /* Else already handled by tty_check_fg. */
1501: return;
1.1 nicm 1502: }
1503:
1.79 nicm 1504: /* Is this an aixterm bright colour? */
1505: if (fg >= 90 && fg <= 97) {
1.85 nicm 1506: xsnprintf(s, sizeof s, "\033[%dm", fg);
1507: tty_puts(tty, s);
1508: goto save_fg;
1.79 nicm 1509: }
1510:
1.61 nicm 1511: /* Otherwise set the foreground colour. */
1512: tty_putcode1(tty, TTYC_SETAF, fg);
1513:
1.77 nicm 1514: save_fg:
1.61 nicm 1515: /* Save the new values in the terminal current cell. */
1516: tc->fg = fg;
1517: tc->flags &= ~GRID_FLAG_FG256;
1518: tc->flags |= gc->flags & GRID_FLAG_FG256;
1.1 nicm 1519: }
1520:
1521: void
1.73 nicm 1522: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1523: {
1.61 nicm 1524: struct grid_cell *tc = &tty->cell;
1525: u_char bg = gc->bg;
1.79 nicm 1526: char s[32];
1.1 nicm 1527:
1.61 nicm 1528: /* Is this a 256-colour colour? */
1.1 nicm 1529: if (gc->flags & GRID_FLAG_BG256) {
1.61 nicm 1530: /* Try as 256 colours or translating to 88. */
1.1 nicm 1531: if (tty_try_256(tty, bg, "48") == 0)
1.61 nicm 1532: goto save_bg;
1.1 nicm 1533: if (tty_try_88(tty, bg, "48") == 0)
1.61 nicm 1534: goto save_bg;
1.85 nicm 1535: /* Else already handled by tty_check_bg. */
1536: return;
1.79 nicm 1537: }
1538:
1539: /* Is this an aixterm bright colour? */
1.112 nicm 1540: if (bg >= 90 && bg <= 97) {
1.79 nicm 1541: /* 16 colour terminals or above only. */
1542: if (tty_term_number(tty->term, TTYC_COLORS) >= 16) {
1.112 nicm 1543: xsnprintf(s, sizeof s, "\033[%dm", bg + 10);
1.79 nicm 1544: tty_puts(tty, s);
1545: goto save_bg;
1546: }
1.112 nicm 1547: bg -= 90;
1.79 nicm 1548: /* no such thing as a bold background */
1.1 nicm 1549: }
1550:
1.61 nicm 1551: /* Otherwise set the background colour. */
1552: tty_putcode1(tty, TTYC_SETAB, bg);
1553:
1554: save_bg:
1555: /* Save the new values in the terminal current cell. */
1556: tc->bg = bg;
1557: tc->flags &= ~GRID_FLAG_BG256;
1558: tc->flags |= gc->flags & GRID_FLAG_BG256;
1559: }
1560:
1561: int
1562: tty_try_256(struct tty *tty, u_char colour, const char *type)
1563: {
1564: char s[32];
1565:
1566: if (!(tty->term->flags & TERM_256COLOURS) &&
1567: !(tty->term_flags & TERM_256COLOURS))
1568: return (-1);
1569:
1570: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1571: tty_puts(tty, s);
1572: return (0);
1573: }
1574:
1575: int
1576: tty_try_88(struct tty *tty, u_char colour, const char *type)
1577: {
1578: char s[32];
1579:
1580: if (!(tty->term->flags & TERM_88COLOURS) &&
1581: !(tty->term_flags & TERM_88COLOURS))
1582: return (-1);
1583: colour = colour_256to88(colour);
1584:
1585: xsnprintf(s, sizeof s, "\033[%s;5;%hhum", type, colour);
1586: tty_puts(tty, s);
1587: return (0);
1.110 nicm 1588: }
1589:
1590: void
1591: tty_bell(struct tty *tty)
1592: {
1593: tty_putcode(tty, TTYC_BEL);
1.1 nicm 1594: }
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