Annotation of src/usr.bin/tmux/tty.c, Revision 1.250
1.250 ! nicm 1: /* $OpenBSD: tty.c,v 1.249 2017/02/16 12:56:01 nicm Exp $ */
1.1 nicm 2:
3: /*
1.198 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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:
1.212 nicm 24: #include <curses.h>
1.1 nicm 25: #include <errno.h>
26: #include <fcntl.h>
1.106 nicm 27: #include <resolv.h>
1.42 nicm 28: #include <stdlib.h>
1.1 nicm 29: #include <string.h>
30: #include <termios.h>
31: #include <unistd.h>
32:
33: #include "tmux.h"
34:
1.207 nicm 35: static int tty_log_fd = -1;
1.192 nicm 36:
1.207 nicm 37: static int tty_client_ready(struct client *, struct window_pane *);
1.201 nicm 38:
1.207 nicm 39: static void tty_set_italics(struct tty *);
40: static int tty_try_colour(struct tty *, int, const char *);
1.208 nicm 41: static void tty_force_cursor_colour(struct tty *, const char *);
42: static void tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int,
43: u_int);
1.242 nicm 44: static void tty_invalidate(struct tty *);
1.207 nicm 45: static void tty_colours(struct tty *, const struct grid_cell *);
1.219 nicm 46: static void tty_check_fg(struct tty *, const struct window_pane *,
47: struct grid_cell *);
48: static void tty_check_bg(struct tty *, const struct window_pane *,
49: struct grid_cell *);
1.207 nicm 50: static void tty_colours_fg(struct tty *, const struct grid_cell *);
51: static void tty_colours_bg(struct tty *, const struct grid_cell *);
52:
1.208 nicm 53: static void tty_region_pane(struct tty *, const struct tty_ctx *, u_int,
54: u_int);
1.214 nicm 55: static void tty_region(struct tty *, u_int, u_int);
1.212 nicm 56: static void tty_margin_pane(struct tty *, const struct tty_ctx *);
1.214 nicm 57: static void tty_margin(struct tty *, u_int, u_int);
1.207 nicm 58: static int tty_large_region(struct tty *, const struct tty_ctx *);
1.210 nicm 59: static int tty_fake_bce(const struct tty *, const struct window_pane *,
60: u_int);
1.207 nicm 61: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
62: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
63: enum tty_code_code, u_int);
64: static void tty_repeat_space(struct tty *, u_int);
65: static void tty_cell(struct tty *, const struct grid_cell *,
66: const struct window_pane *);
67: static void tty_default_colours(struct grid_cell *,
68: const struct window_pane *);
1.210 nicm 69: static void tty_default_attributes(struct tty *, const struct window_pane *,
70: u_int);
1.1 nicm 71:
1.90 nicm 72: #define tty_use_acs(tty) \
1.131 nicm 73: (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.212 nicm 74: #define tty_use_margin(tty) \
1.214 nicm 75: ((tty)->term_type == TTY_VT420)
1.90 nicm 76:
1.229 nicm 77: #define tty_pane_full_width(tty, ctx) \
1.132 nicm 78: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
79:
1.192 nicm 80: void
81: tty_create_log(void)
82: {
83: char name[64];
84:
85: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
86:
87: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
88: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
89: fatal("fcntl failed");
90: }
91:
1.185 nicm 92: int
1.136 nicm 93: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 94: {
1.30 nicm 95: char *path;
96:
1.185 nicm 97: if (!isatty(fd))
98: return (-1);
99:
1.30 nicm 100: memset(tty, 0, sizeof *tty);
1.22 nicm 101:
1.9 nicm 102: if (term == NULL || *term == '\0')
1.220 nicm 103: tty->term_name = xstrdup("unknown");
1.1 nicm 104: else
1.220 nicm 105: tty->term_name = xstrdup(term);
1.30 nicm 106: tty->fd = fd;
1.136 nicm 107: tty->client = c;
1.30 nicm 108:
109: if ((path = ttyname(fd)) == NULL)
1.185 nicm 110: return (-1);
1.30 nicm 111: tty->path = xstrdup(path);
1.108 nicm 112: tty->cstyle = 0;
1.107 nicm 113: tty->ccolour = xstrdup("");
1.30 nicm 114:
1.1 nicm 115: tty->flags = 0;
1.212 nicm 116:
1.1 nicm 117: tty->term_flags = 0;
1.212 nicm 118: tty->term_type = TTY_UNKNOWN;
1.185 nicm 119:
120: return (0);
1.31 nicm 121: }
122:
1.88 nicm 123: int
1.31 nicm 124: tty_resize(struct tty *tty)
125: {
126: struct winsize ws;
1.88 nicm 127: u_int sx, sy;
1.31 nicm 128:
129: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 130: sx = ws.ws_col;
131: if (sx == 0)
132: sx = 80;
133: sy = ws.ws_row;
134: if (sy == 0)
135: sy = 24;
136: } else {
137: sx = 80;
138: sy = 24;
1.31 nicm 139: }
1.235 nicm 140: log_debug("%s: %s now %ux%u", __func__, tty->path, sx, sy);
1.114 nicm 141: if (!tty_set_size(tty, sx, sy))
1.88 nicm 142: return (0);
1.242 nicm 143: tty_invalidate(tty);
1.114 nicm 144: return (1);
145: }
146:
147: int
1.212 nicm 148: tty_set_size(struct tty *tty, u_int sx, u_int sy)
149: {
1.114 nicm 150: if (sx == tty->sx && sy == tty->sy)
151: return (0);
152: tty->sx = sx;
153: tty->sy = sy;
1.88 nicm 154: return (1);
1.1 nicm 155: }
156:
1.244 nicm 157: static void
158: tty_read_callback(__unused int fd, __unused short events, void *data)
159: {
160: struct tty *tty = data;
161: size_t size = EVBUFFER_LENGTH(tty->in);
162: int nread;
163:
164: nread = evbuffer_read(tty->in, tty->fd, -1);
165: if (nread == -1)
166: return;
167: log_debug("%s: read %d bytes (already %zu)", tty->path, nread, size);
168:
169: while (tty_keys_next(tty))
170: ;
171: }
172:
173: static void
174: tty_write_callback(__unused int fd, __unused short events, void *data)
175: {
1.246 nicm 176: struct tty *tty = data;
177: size_t size = EVBUFFER_LENGTH(tty->out);
178: int nwrite;
1.244 nicm 179:
180: nwrite = evbuffer_write(tty->out, tty->fd);
181: if (nwrite == -1)
182: return;
183: log_debug("%s: wrote %d bytes (of %zu)", tty->path, nwrite, size);
184:
1.247 nicm 185: if (EVBUFFER_LENGTH(tty->out) != 0)
186: event_add(&tty->event_out, NULL);
1.244 nicm 187: }
188:
1.1 nicm 189: int
1.166 nicm 190: tty_open(struct tty *tty, char **cause)
1.1 nicm 191: {
1.220 nicm 192: tty->term = tty_term_find(tty->term_name, tty->fd, cause);
1.21 nicm 193: if (tty->term == NULL) {
194: tty_close(tty);
195: return (-1);
196: }
197: tty->flags |= TTY_OPENED;
1.1 nicm 198:
1.246 nicm 199: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.244 nicm 200:
201: event_set(&tty->event_in, tty->fd, EV_PERSIST|EV_READ,
202: tty_read_callback, tty);
203: tty->in = evbuffer_new();
1.1 nicm 204:
1.244 nicm 205: event_set(&tty->event_out, tty->fd, EV_WRITE, tty_write_callback, tty);
206: tty->out = evbuffer_new();
1.1 nicm 207:
208: tty_start_tty(tty);
209:
1.148 nicm 210: tty_keys_build(tty);
1.1 nicm 211:
212: return (0);
213: }
214:
1.244 nicm 215: void
216: tty_start_tty(struct tty *tty)
1.1 nicm 217: {
1.128 nicm 218: struct termios tio;
1.33 nicm 219:
1.244 nicm 220: if (tty->fd != -1 && tcgetattr(tty->fd, &tty->tio) == 0) {
221: setblocking(tty->fd, 0);
222: event_add(&tty->event_in, NULL);
223:
224: memcpy(&tio, &tty->tio, sizeof tio);
225: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
226: tio.c_iflag |= IGNBRK;
227: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
228: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
229: ECHOPRT|ECHOKE|ISIG);
230: tio.c_cc[VMIN] = 1;
231: tio.c_cc[VTIME] = 0;
232: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
233: tcflush(tty->fd, TCIOFLUSH);
234: }
1.1 nicm 235:
1.10 nicm 236: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 237:
1.76 nicm 238: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 239: if (tty_use_acs(tty))
240: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 241: tty_putcode(tty, TTYC_CLEAR);
242:
243: tty_putcode(tty, TTYC_CNORM);
244: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 245: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.121 nicm 246:
1.189 nicm 247: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 248: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 249: tty->flags |= TTY_FOCUS;
250: tty_puts(tty, "\033[?1004h");
251: }
1.212 nicm 252: tty_puts(tty, "\033[c");
1.162 nicm 253: }
1.1 nicm 254:
1.20 nicm 255: tty->flags |= TTY_STARTED;
1.242 nicm 256: tty_invalidate(tty);
1.107 nicm 257:
258: tty_force_cursor_colour(tty, "");
1.177 nicm 259:
260: tty->mouse_drag_flag = 0;
261: tty->mouse_drag_update = NULL;
262: tty->mouse_drag_release = NULL;
1.128 nicm 263: }
264:
265: void
1.1 nicm 266: tty_stop_tty(struct tty *tty)
267: {
268: struct winsize ws;
269:
1.20 nicm 270: if (!(tty->flags & TTY_STARTED))
271: return;
272: tty->flags &= ~TTY_STARTED;
273:
1.244 nicm 274: event_del(&tty->event_in);
275: event_del(&tty->event_out);
1.66 nicm 276:
1.1 nicm 277: /*
278: * Be flexible about error handling and try not kill the server just
279: * because the fd is invalid. Things like ssh -t can easily leave us
280: * with a dead tty.
281: */
282: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
283: return;
284: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
285: return;
286:
287: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 288: if (tty_use_acs(tty))
289: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 290: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
291: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
292: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 293: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
294: if (tty_term_has(tty->term, TTYC_SE))
295: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 296: else
1.160 nicm 297: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 298: }
1.173 nicm 299: if (tty->mode & MODE_BRACKETPASTE)
300: tty_raw(tty, "\033[?2004l");
1.107 nicm 301: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 302:
303: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
304: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 305: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.151 nicm 306:
1.189 nicm 307: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 308: if (tty->flags & TTY_FOCUS) {
309: tty->flags &= ~TTY_FOCUS;
1.172 nicm 310: tty_raw(tty, "\033[?1004l");
1.162 nicm 311: }
312: }
1.10 nicm 313:
1.212 nicm 314: if (tty_use_margin(tty))
315: tty_raw(tty, "\033[?69l"); /* DECLRMM */
1.10 nicm 316: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 317:
318: setblocking(tty->fd, 1);
1.1 nicm 319: }
320:
321: void
1.20 nicm 322: tty_close(struct tty *tty)
1.1 nicm 323: {
1.123 nicm 324: if (event_initialized(&tty->key_timer))
325: evtimer_del(&tty->key_timer);
1.20 nicm 326: tty_stop_tty(tty);
1.1 nicm 327:
1.21 nicm 328: if (tty->flags & TTY_OPENED) {
1.244 nicm 329: evbuffer_free(tty->in);
330: event_del(&tty->event_in);
331: evbuffer_free(tty->out);
332: event_del(&tty->event_out);
1.66 nicm 333:
1.21 nicm 334: tty_term_free(tty->term);
335: tty_keys_free(tty);
336:
337: tty->flags &= ~TTY_OPENED;
338: }
1.1 nicm 339:
1.21 nicm 340: if (tty->fd != -1) {
341: close(tty->fd);
342: tty->fd = -1;
343: }
1.1 nicm 344: }
345:
346: void
1.20 nicm 347: tty_free(struct tty *tty)
1.1 nicm 348: {
1.20 nicm 349: tty_close(tty);
1.1 nicm 350:
1.138 nicm 351: free(tty->ccolour);
1.190 nicm 352: free(tty->path);
1.220 nicm 353: free(tty->term_name);
1.1 nicm 354: }
355:
356: void
1.212 nicm 357: tty_set_type(struct tty *tty, int type)
358: {
359: tty->term_type = type;
360:
361: if (tty_use_margin(tty))
362: tty_puts(tty, "\033[?69h"); /* DECLRMM */
363: }
364:
365: void
1.1 nicm 366: tty_raw(struct tty *tty, const char *s)
367: {
1.150 nicm 368: ssize_t n, slen;
369: u_int i;
370:
371: slen = strlen(s);
372: for (i = 0; i < 5; i++) {
373: n = write(tty->fd, s, slen);
374: if (n >= 0) {
375: s += n;
376: slen -= n;
377: if (slen == 0)
378: break;
379: } else if (n == -1 && errno != EAGAIN)
380: break;
381: usleep(100);
382: }
1.1 nicm 383: }
384:
385: void
386: tty_putcode(struct tty *tty, enum tty_code_code code)
387: {
388: tty_puts(tty, tty_term_string(tty->term, code));
389: }
390:
391: void
392: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
393: {
394: if (a < 0)
395: return;
396: tty_puts(tty, tty_term_string1(tty->term, code, a));
397: }
398:
399: void
400: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
401: {
402: if (a < 0 || b < 0)
403: return;
404: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
405: }
406:
407: void
1.107 nicm 408: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
409: {
410: if (a != NULL)
411: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
412: }
413:
414: void
1.167 nicm 415: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
416: const void *b)
1.106 nicm 417: {
418: if (a != NULL && b != NULL)
419: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
420: }
421:
1.243 nicm 422: static void
423: tty_add(struct tty *tty, const char *buf, size_t len)
424: {
1.244 nicm 425: evbuffer_add(tty->out, buf, len);
426: log_debug("%s: %.*s", tty->path, (int)len, (const char *)buf);
1.243 nicm 427:
428: if (tty_log_fd != -1)
429: write(tty_log_fd, buf, len);
1.244 nicm 430: if (tty->flags & TTY_STARTED)
431: event_add(&tty->event_out, NULL);
1.243 nicm 432: }
433:
1.106 nicm 434: void
1.1 nicm 435: tty_puts(struct tty *tty, const char *s)
436: {
1.243 nicm 437: if (*s != '\0')
438: tty_add(tty, s, strlen(s));
1.1 nicm 439: }
440:
441: void
442: tty_putc(struct tty *tty, u_char ch)
443: {
1.90 nicm 444: const char *acs;
1.1 nicm 445:
1.90 nicm 446: if (tty->cell.attr & GRID_ATTR_CHARSET) {
447: acs = tty_acs_get(tty, ch);
1.243 nicm 448: if (acs != NULL)
449: tty_add(tty, acs, strlen(acs));
450: else
451: tty_add(tty, &ch, 1);
452: } else
453: tty_add(tty, &ch, 1);
1.1 nicm 454:
455: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 456: if (tty->cx >= tty->sx) {
1.46 nicm 457: tty->cx = 1;
458: if (tty->cy != tty->rlower)
459: tty->cy++;
1.211 nicm 460:
461: /*
462: * On !xenl terminals, force the cursor position to
463: * where we think it should be after a line wrap - this
464: * means it works on sensible terminals as well.
465: */
466: if (tty->term->flags & TERM_EARLYWRAP)
467: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 468: } else
469: tty->cx++;
470: }
471: }
472:
473: void
1.147 nicm 474: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 475: {
1.243 nicm 476: tty_add(tty, buf, len);
1.147 nicm 477: tty->cx += width;
1.5 nicm 478: }
479:
1.207 nicm 480: static void
1.180 nicm 481: tty_set_italics(struct tty *tty)
482: {
483: const char *s;
484:
485: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 486: s = options_get_string(global_options, "default-terminal");
1.180 nicm 487: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
488: tty_putcode(tty, TTYC_SITM);
489: return;
490: }
491: }
492: tty_putcode(tty, TTYC_SMSO);
493: }
494:
495: void
1.1 nicm 496: tty_set_title(struct tty *tty, const char *title)
497: {
1.105 nicm 498: if (!tty_term_has(tty->term, TTYC_TSL) ||
499: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 500: return;
501:
1.105 nicm 502: tty_putcode(tty, TTYC_TSL);
1.1 nicm 503: tty_puts(tty, title);
1.105 nicm 504: tty_putcode(tty, TTYC_FSL);
1.1 nicm 505: }
506:
1.208 nicm 507: static void
1.107 nicm 508: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
509: {
510: if (*ccolour == '\0')
511: tty_putcode(tty, TTYC_CR);
512: else
1.160 nicm 513: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 514: free(tty->ccolour);
1.107 nicm 515: tty->ccolour = xstrdup(ccolour);
516: }
517:
518: void
519: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 520: {
521: int changed;
522:
1.197 nicm 523: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 524: tty_force_cursor_colour(tty, s->ccolour);
525:
1.1 nicm 526: if (tty->flags & TTY_NOCURSOR)
527: mode &= ~MODE_CURSOR;
528:
529: changed = mode ^ tty->mode;
1.183 nicm 530: if (changed & MODE_BLINKING) {
531: if (tty_term_has(tty->term, TTYC_CVVIS))
532: tty_putcode(tty, TTYC_CVVIS);
533: else
534: tty_putcode(tty, TTYC_CNORM);
535: changed |= MODE_CURSOR;
536: }
537: if (changed & MODE_CURSOR) {
538: if (mode & MODE_CURSOR)
539: tty_putcode(tty, TTYC_CNORM);
540: else
1.1 nicm 541: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 542: }
1.181 nicm 543: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 544: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 545: if (s->cstyle == 0 &&
1.160 nicm 546: tty_term_has(tty->term, TTYC_SE))
547: tty_putcode(tty, TTYC_SE);
1.108 nicm 548: else
1.160 nicm 549: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 550: }
551: tty->cstyle = s->cstyle;
1.1 nicm 552: }
1.195 nicm 553: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 554: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 555: /*
556: * Enable the SGR (1006) extension unconditionally, as
1.221 nicm 557: * it is safe from misinterpretation.
1.153 nicm 558: */
559: tty_puts(tty, "\033[?1006h");
1.225 nicm 560: if (mode & MODE_MOUSE_ALL)
561: tty_puts(tty, "\033[?1003h");
562: else if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 563: tty_puts(tty, "\033[?1002h");
1.98 nicm 564: else if (mode & MODE_MOUSE_STANDARD)
565: tty_puts(tty, "\033[?1000h");
1.86 nicm 566: } else {
1.225 nicm 567: if (tty->mode & MODE_MOUSE_ALL)
568: tty_puts(tty, "\033[?1003l");
569: else if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 570: tty_puts(tty, "\033[?1002l");
1.98 nicm 571: else if (tty->mode & MODE_MOUSE_STANDARD)
572: tty_puts(tty, "\033[?1000l");
1.153 nicm 573: tty_puts(tty, "\033[?1006l");
1.86 nicm 574: }
1.76 nicm 575: }
576: if (changed & MODE_KKEYPAD) {
577: if (mode & MODE_KKEYPAD)
578: tty_putcode(tty, TTYC_SMKX);
579: else
580: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 581: }
582: if (changed & MODE_BRACKETPASTE) {
583: if (mode & MODE_BRACKETPASTE)
584: tty_puts(tty, "\033[?2004h");
585: else
586: tty_puts(tty, "\033[?2004l");
1.1 nicm 587: }
588: tty->mode = mode;
589: }
590:
1.207 nicm 591: static void
1.168 nicm 592: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
593: enum tty_code_code code1, u_int n)
1.1 nicm 594: {
595: if (tty_term_has(tty->term, code))
596: tty_putcode1(tty, code, n);
597: else {
598: while (n-- > 0)
599: tty_putcode(tty, code1);
600: }
601: }
602:
1.207 nicm 603: static void
1.133 nicm 604: tty_repeat_space(struct tty *tty, u_int n)
605: {
606: while (n-- > 0)
607: tty_putc(tty, ' ');
608: }
609:
1.1 nicm 610: /*
1.119 nicm 611: * Is the region large enough to be worth redrawing once later rather than
612: * probably several times now? Currently yes if it is more than 50% of the
613: * pane.
614: */
1.207 nicm 615: static int
1.194 nicm 616: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 617: {
618: struct window_pane *wp = ctx->wp;
619:
620: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
621: }
622:
623: /*
1.176 nicm 624: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
625: * emulated.
626: */
1.207 nicm 627: static int
1.210 nicm 628: tty_fake_bce(const struct tty *tty, const struct window_pane *wp, u_int bg)
1.176 nicm 629: {
630: struct grid_cell gc;
631:
1.210 nicm 632: if (tty_term_flag(tty->term, TTYC_BCE))
633: return (0);
634:
1.176 nicm 635: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 636: if (wp != NULL)
637: tty_default_colours(&gc, wp);
1.176 nicm 638:
1.210 nicm 639: if (bg != 8 || gc.bg != 8)
640: return (1);
641: return (0);
1.176 nicm 642: }
643:
644: /*
1.1 nicm 645: * Redraw scroll region using data from screen (already updated). Used when
646: * CSR not supported, or window is a pane that doesn't take up the full
647: * width of the terminal.
648: */
1.207 nicm 649: static void
1.24 nicm 650: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 651: {
1.14 nicm 652: struct window_pane *wp = ctx->wp;
653: struct screen *s = wp->screen;
1.204 nicm 654: u_int i;
1.1 nicm 655:
656: /*
1.119 nicm 657: * If region is large, schedule a window redraw. In most cases this is
658: * likely to be followed by some more scrolling.
1.1 nicm 659: */
1.119 nicm 660: if (tty_large_region(tty, ctx)) {
1.1 nicm 661: wp->flags |= PANE_REDRAW;
662: return;
663: }
664:
1.14 nicm 665: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
666: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176 nicm 667: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 668: } else {
1.14 nicm 669: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176 nicm 670: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 671: }
672: }
673:
674: void
1.176 nicm 675: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
676: u_int oy)
677: {
678: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
679: }
680:
681: void
682: tty_draw_line(struct tty *tty, const struct window_pane *wp,
683: struct screen *s, u_int py, u_int ox, u_int oy)
1.1 nicm 684: {
1.250 ! nicm 685: struct grid_cell gc, last;
! 686: u_int i, j, sx, width;
! 687: int flags = (tty->flags & TTY_NOCURSOR);
! 688: char buf[512];
! 689: size_t len;
1.1 nicm 690:
1.181 nicm 691: tty->flags |= TTY_NOCURSOR;
692: tty_update_mode(tty, tty->mode, s);
1.35 nicm 693:
1.214 nicm 694: tty_region_off(tty);
695: tty_margin_off(tty);
696:
1.1 nicm 697: sx = screen_size_x(s);
1.250 ! nicm 698: if (sx > s->grid->linedata[s->grid->hsize + py].cellused)
! 699: sx = s->grid->linedata[s->grid->hsize + py].cellused;
1.1 nicm 700: if (sx > tty->sx)
701: sx = tty->sx;
702:
1.250 ! nicm 703: tty_cursor(tty, ox, oy + py);
! 704:
! 705: memcpy(&last, &grid_default_cell, sizeof last);
! 706: len = 0;
! 707: width = 0;
1.46 nicm 708:
1.1 nicm 709: for (i = 0; i < sx; i++) {
1.193 nicm 710: grid_view_get_cell(s->grid, i, py, &gc);
1.250 ! nicm 711: if (len != 0 &&
! 712: (gc.attr & GRID_ATTR_CHARSET ||
! 713: gc.flags != last.flags ||
! 714: gc.attr != last.attr ||
! 715: gc.fg != last.fg ||
! 716: gc.bg != last.bg ||
! 717: (sizeof buf) - len < gc.data.size)) {
! 718: tty_attributes(tty, &last, wp);
! 719: tty_putn(tty, buf, len, width);
! 720:
! 721: len = 0;
! 722: width = 0;
! 723: }
! 724:
! 725: if (gc.flags & GRID_FLAG_SELECTED)
! 726: screen_select_cell(s, &last, &gc);
! 727: else
! 728: memcpy(&last, &gc, sizeof last);
! 729: if (gc.attr & GRID_ATTR_CHARSET) {
! 730: tty_attributes(tty, &last, wp);
! 731: for (j = 0; j < gc.data.size; j++)
! 732: tty_putc(tty, gc.data.data[j]);
! 733: } else {
! 734: memcpy(buf + len, gc.data.data, gc.data.size);
! 735: len += gc.data.size;
! 736: width += gc.data.width;
! 737: }
! 738: }
! 739: if (len != 0) {
! 740: tty_attributes(tty, &last, wp);
! 741: tty_putn(tty, buf, len, width);
1.1 nicm 742: }
743:
1.181 nicm 744: if (sx < tty->sx) {
1.210 nicm 745: tty_default_attributes(tty, wp, 8);
1.181 nicm 746:
747: tty_cursor(tty, ox + sx, oy + py);
748: if (sx != screen_size_x(s) &&
749: ox + screen_size_x(s) >= tty->sx &&
750: tty_term_has(tty->term, TTYC_EL) &&
1.210 nicm 751: !tty_fake_bce(tty, wp, 8))
1.181 nicm 752: tty_putcode(tty, TTYC_EL);
753: else
754: tty_repeat_space(tty, screen_size_x(s) - sx);
1.35 nicm 755: }
1.1 nicm 756:
1.181 nicm 757: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 758: tty_update_mode(tty, tty->mode, s);
1.15 nicm 759: }
760:
1.201 nicm 761: static int
1.182 nicm 762: tty_client_ready(struct client *c, struct window_pane *wp)
763: {
764: if (c->session == NULL || c->tty.term == NULL)
765: return (0);
1.244 nicm 766: if (c->flags & (CLIENT_REDRAW|CLIENT_SUSPENDED))
1.182 nicm 767: return (0);
768: if (c->tty.flags & TTY_FREEZE)
769: return (0);
770: if (c->session->curw->window != wp->window)
771: return (0);
772: return (1);
773: }
774:
1.15 nicm 775: void
1.182 nicm 776: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
777: struct tty_ctx *ctx)
1.15 nicm 778: {
779: struct window_pane *wp = ctx->wp;
780: struct client *c;
781:
1.75 nicm 782: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 783: if (wp == NULL)
784: return;
785:
786: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
787: return;
1.129 nicm 788: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 789: return;
790:
1.178 nicm 791: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 792: if (!tty_client_ready(c, wp))
1.15 nicm 793: continue;
794:
1.139 nicm 795: ctx->xoff = wp->xoff;
796: ctx->yoff = wp->yoff;
797: if (status_at_line(c) == 0)
798: ctx->yoff++;
1.113 nicm 799:
1.139 nicm 800: cmdfn(&c->tty, ctx);
1.1 nicm 801: }
802: }
803:
804: void
1.24 nicm 805: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 806: {
1.77 nicm 807: struct window_pane *wp = ctx->wp;
1.1 nicm 808:
1.210 nicm 809: if (!tty_pane_full_width(tty, ctx) ||
810: tty_fake_bce(tty, wp, ctx->bg) ||
811: (!tty_term_has(tty->term, TTYC_ICH) &&
812: !tty_term_has(tty->term, TTYC_ICH1))) {
1.176 nicm 813: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 814: return;
815: }
816:
1.210 nicm 817: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 818:
1.77 nicm 819: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 820:
1.206 nicm 821: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 822: }
823:
824: void
1.24 nicm 825: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 826: {
1.77 nicm 827: struct window_pane *wp = ctx->wp;
1.1 nicm 828:
1.210 nicm 829: if (!tty_pane_full_width(tty, ctx) ||
830: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 831: (!tty_term_has(tty->term, TTYC_DCH) &&
832: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 833: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 834: return;
835: }
836:
1.210 nicm 837: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 838:
1.77 nicm 839: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 840:
1.206 nicm 841: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 842: }
843:
844: void
845: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
846: {
847: u_int i;
848:
1.176 nicm 849: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.146 nicm 850:
851: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
852:
1.210 nicm 853: if (tty_term_has(tty->term, TTYC_ECH) &&
854: !tty_fake_bce(tty, ctx->wp, ctx->bg))
1.146 nicm 855: tty_putcode1(tty, TTYC_ECH, ctx->num);
856: else {
857: for (i = 0; i < ctx->num; i++)
858: tty_putc(tty, ' ');
859: }
1.1 nicm 860: }
861:
862: void
1.24 nicm 863: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 864: {
1.210 nicm 865: if (!tty_pane_full_width(tty, ctx) ||
866: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 867: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 868: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 869: tty_redraw_region(tty, ctx);
1.1 nicm 870: return;
871: }
872:
1.210 nicm 873: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 874:
1.77 nicm 875: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 876: tty_margin_off(tty);
1.77 nicm 877: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 878:
1.12 nicm 879: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 880: }
881:
882: void
1.24 nicm 883: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 884: {
1.210 nicm 885: if (!tty_pane_full_width(tty, ctx) ||
886: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 887: !tty_term_has(tty->term, TTYC_CSR) ||
888: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 889: tty_redraw_region(tty, ctx);
1.1 nicm 890: return;
891: }
892:
1.210 nicm 893: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 894:
1.77 nicm 895: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 896: tty_margin_off(tty);
1.77 nicm 897: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 898:
1.12 nicm 899: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 900: }
901:
902: void
1.24 nicm 903: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 904: {
1.77 nicm 905: struct window_pane *wp = ctx->wp;
1.12 nicm 906: struct screen *s = wp->screen;
1.229 nicm 907: u_int sx = screen_size_x(s);
1.1 nicm 908:
1.210 nicm 909: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 910:
1.77 nicm 911: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 912:
1.210 nicm 913: if (tty_pane_full_width(tty, ctx) &&
914: !tty_fake_bce(tty, wp, ctx->bg) &&
1.176 nicm 915: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 916: tty_putcode(tty, TTYC_EL);
1.133 nicm 917: else
1.229 nicm 918: tty_repeat_space(tty, sx);
1.1 nicm 919: }
920:
921: void
1.24 nicm 922: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 923: {
1.77 nicm 924: struct window_pane *wp = ctx->wp;
1.12 nicm 925: struct screen *s = wp->screen;
1.229 nicm 926: u_int sx = screen_size_x(s);
1.1 nicm 927:
1.210 nicm 928: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 929:
1.41 nicm 930: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
931:
1.176 nicm 932: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 933: tty_term_has(tty->term, TTYC_EL) &&
934: !tty_fake_bce(tty, wp, ctx->bg))
1.1 nicm 935: tty_putcode(tty, TTYC_EL);
1.133 nicm 936: else
1.229 nicm 937: tty_repeat_space(tty, sx - ctx->ocx);
1.1 nicm 938: }
939:
940: void
1.24 nicm 941: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 942: {
1.210 nicm 943: struct window_pane *wp = ctx->wp;
944:
945: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 946:
1.210 nicm 947: if (ctx->xoff == 0 &&
948: tty_term_has(tty->term, TTYC_EL1) &&
1.238 nicm 949: !tty_fake_bce(tty, ctx->wp, ctx->bg)) {
950: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 951: tty_putcode(tty, TTYC_EL1);
1.238 nicm 952: } else {
953: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 954: tty_repeat_space(tty, ctx->ocx + 1);
1.238 nicm 955: }
1.1 nicm 956: }
957:
958: void
1.24 nicm 959: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 960: {
1.56 nicm 961: if (ctx->ocy != ctx->orupper)
962: return;
963:
1.210 nicm 964: if (!tty_pane_full_width(tty, ctx) ||
965: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.70 nicm 966: !tty_term_has(tty->term, TTYC_CSR) ||
967: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 968: tty_redraw_region(tty, ctx);
1.1 nicm 969: return;
970: }
971:
1.176 nicm 972: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.77 nicm 973:
1.56 nicm 974: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 975: tty_margin_off(tty);
1.56 nicm 976: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 977:
1.56 nicm 978: tty_putcode(tty, TTYC_RI);
1.1 nicm 979: }
980:
981: void
1.24 nicm 982: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 983: {
1.77 nicm 984: struct window_pane *wp = ctx->wp;
1.1 nicm 985:
1.56 nicm 986: if (ctx->ocy != ctx->orlower)
987: return;
988:
1.212 nicm 989: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.210 nicm 990: tty_fake_bce(tty, wp, ctx->bg) ||
1.1 nicm 991: !tty_term_has(tty->term, TTYC_CSR)) {
1.236 nicm 992: tty_redraw_region(tty, ctx);
1.1 nicm 993: return;
994: }
1.52 nicm 995:
1.176 nicm 996: tty_attributes(tty, &grid_default_cell, wp);
1.77 nicm 997:
1.56 nicm 998: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 999: tty_margin_pane(tty, ctx);
1000:
1001: /*
1002: * If we want to wrap a pane, the cursor needs to be exactly on the
1003: * right of the region. But if the pane isn't on the right, it may be
1004: * off the edge - if so, move the cursor back to the right.
1005: */
1006: if (ctx->xoff + ctx->ocx > tty->rright)
1.216 nicm 1007: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1.212 nicm 1008: else
1009: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1010:
1.56 nicm 1011: tty_putc(tty, '\n');
1.240 nicm 1012: }
1013:
1014: void
1015: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1016: {
1017: struct window_pane *wp = ctx->wp;
1018: u_int i;
1019:
1020: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1021: tty_fake_bce(tty, wp, ctx->bg) ||
1022: !tty_term_has(tty->term, TTYC_CSR)) {
1023: tty_redraw_region(tty, ctx);
1024: return;
1025: }
1026:
1027: tty_attributes(tty, &grid_default_cell, wp);
1028:
1029: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1030: tty_margin_pane(tty, ctx);
1031:
1032: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.241 nicm 1033: tty_cursor(tty, tty->rright, tty->rlower);
1.240 nicm 1034: for (i = 0; i < ctx->num; i++)
1035: tty_putc(tty, '\n');
1036: } else
1037: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.1 nicm 1038: }
1039:
1040: void
1.24 nicm 1041: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1042: {
1.77 nicm 1043: struct window_pane *wp = ctx->wp;
1.12 nicm 1044: struct screen *s = wp->screen;
1.204 nicm 1045: u_int i, j;
1.229 nicm 1046: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.1 nicm 1047:
1.210 nicm 1048: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1049:
1.229 nicm 1050: tty_region_pane(tty, ctx, 0, sy - 1);
1.214 nicm 1051: tty_margin_off(tty);
1.39 nicm 1052:
1.176 nicm 1053: if (tty_pane_full_width(tty, ctx) &&
1.248 nicm 1054: ctx->yoff + wp->sy >= tty->sy - 1 &&
1.229 nicm 1055: status_at_line(tty->client) <= 0 &&
1056: tty_term_has(tty->term, TTYC_ED)) {
1057: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1058: tty_putcode(tty, TTYC_ED);
1059: } else if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1060: tty_term_has(tty->term, TTYC_EL) &&
1061: !tty_fake_bce(tty, wp, ctx->bg)) {
1.229 nicm 1062: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1063: tty_putcode(tty, TTYC_EL);
1.229 nicm 1064: if (ctx->ocy != sy - 1) {
1.41 nicm 1065: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.229 nicm 1066: for (i = ctx->ocy + 1; i < sy; i++) {
1.1 nicm 1067: tty_putcode(tty, TTYC_EL);
1.229 nicm 1068: if (i == sy - 1)
1.1 nicm 1069: continue;
1070: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1071: tty->cy++;
1072: }
1073: }
1074: } else {
1.229 nicm 1075: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1076: tty_repeat_space(tty, sx - ctx->ocx);
1077: for (j = ctx->ocy + 1; j < sy; j++) {
1.41 nicm 1078: tty_cursor_pane(tty, ctx, 0, j);
1.229 nicm 1079: tty_repeat_space(tty, sx);
1.1 nicm 1080: }
1081: }
1082: }
1083:
1084: void
1.24 nicm 1085: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1086: {
1.77 nicm 1087: struct window_pane *wp = ctx->wp;
1.12 nicm 1088: struct screen *s = wp->screen;
1.204 nicm 1089: u_int i, j;
1.229 nicm 1090: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.1 nicm 1091:
1.227 nicm 1092: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1093:
1.229 nicm 1094: tty_region_pane(tty, ctx, 0, sy - 1);
1.214 nicm 1095: tty_margin_off(tty);
1.39 nicm 1096:
1.230 nicm 1097: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1098: tty_term_has(tty->term, TTYC_EL) &&
1099: !tty_fake_bce(tty, wp, ctx->bg)) {
1.229 nicm 1100: tty_cursor_pane(tty, ctx, 0, 0);
1.14 nicm 1101: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 1102: tty_putcode(tty, TTYC_EL);
1103: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1104: tty->cy++;
1105: }
1106: } else {
1.229 nicm 1107: tty_cursor_pane(tty, ctx, 0, 0);
1.14 nicm 1108: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 1109: tty_cursor_pane(tty, ctx, 0, j);
1.229 nicm 1110: tty_repeat_space(tty, sx);
1.1 nicm 1111: }
1112: }
1.229 nicm 1113: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 1114: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 1115: }
1116:
1117: void
1.24 nicm 1118: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1119: {
1.77 nicm 1120: struct window_pane *wp = ctx->wp;
1.12 nicm 1121: struct screen *s = wp->screen;
1.204 nicm 1122: u_int i, j;
1.229 nicm 1123: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.1 nicm 1124:
1.210 nicm 1125: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1126:
1.229 nicm 1127: tty_region_pane(tty, ctx, 0, sy - 1);
1.214 nicm 1128: tty_margin_off(tty);
1.39 nicm 1129:
1.176 nicm 1130: if (tty_pane_full_width(tty, ctx) &&
1.229 nicm 1131: status_at_line(tty->client) <= 0 &&
1132: tty_term_has(tty->term, TTYC_ED)) {
1133: tty_cursor_pane(tty, ctx, 0, 0);
1134: tty_putcode(tty, TTYC_ED);
1.230 nicm 1135: } else if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1136: tty_term_has(tty->term, TTYC_EL) &&
1137: !tty_fake_bce(tty, wp, ctx->bg)) {
1.229 nicm 1138: tty_cursor_pane(tty, ctx, 0, 0);
1139: for (i = 0; i < sy; i++) {
1.1 nicm 1140: tty_putcode(tty, TTYC_EL);
1.229 nicm 1141: if (i != sy - 1) {
1.1 nicm 1142: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1143: tty->cy++;
1144: }
1145: }
1146: } else {
1.229 nicm 1147: tty_cursor_pane(tty, ctx, 0, 0);
1148: for (j = 0; j < sy; j++) {
1.41 nicm 1149: tty_cursor_pane(tty, ctx, 0, j);
1.229 nicm 1150: tty_repeat_space(tty, sx);
1.1 nicm 1151: }
1.4 nicm 1152: }
1153: }
1154:
1155: void
1.24 nicm 1156: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1157: {
1.12 nicm 1158: struct window_pane *wp = ctx->wp;
1159: struct screen *s = wp->screen;
1160: u_int i, j;
1.4 nicm 1161:
1.176 nicm 1162: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1163:
1.39 nicm 1164: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1165: tty_margin_off(tty);
1.4 nicm 1166:
1167: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1168: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1169: for (i = 0; i < screen_size_x(s); i++)
1170: tty_putc(tty, 'E');
1.1 nicm 1171: }
1172: }
1173:
1174: void
1.24 nicm 1175: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1176: {
1.222 nicm 1177: if (ctx->xoff + ctx->ocx > tty->sx - 1 && ctx->ocy == ctx->orlower) {
1178: if (tty_pane_full_width(tty, ctx))
1179: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1180: else
1181: tty_margin_off(tty);
1182: }
1.46 nicm 1183:
1.233 nicm 1184: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1185:
1.237 nicm 1186: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1187: }
1188:
1189: void
1190: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1191: {
1192: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1193:
1194: tty_attributes(tty, ctx->cell, ctx->wp);
1195: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1196: }
1197:
1198: void
1199: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1200: {
1201: char *buf;
1202: size_t off;
1203:
1204: if (!tty_term_has(tty->term, TTYC_MS))
1205: return;
1206:
1207: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1208: buf = xmalloc(off);
1209:
1210: b64_ntop(ctx->ptr, ctx->num, buf, off);
1211: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1212:
1.138 nicm 1213: free(buf);
1.100 nicm 1214: }
1215:
1216: void
1217: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1218: {
1219: u_int i;
1220: u_char *str = ctx->ptr;
1221:
1222: for (i = 0; i < ctx->num; i++)
1223: tty_putc(tty, str[i]);
1.242 nicm 1224: tty_invalidate(tty);
1.1 nicm 1225: }
1226:
1.207 nicm 1227: static void
1.176 nicm 1228: tty_cell(struct tty *tty, const struct grid_cell *gc,
1229: const struct window_pane *wp)
1.1 nicm 1230: {
1.193 nicm 1231: u_int i;
1.1 nicm 1232:
1233: /* Skip last character if terminal is stupid. */
1.211 nicm 1234: if ((tty->term->flags & TERM_EARLYWRAP) &&
1235: tty->cy == tty->sy - 1 &&
1236: tty->cx == tty->sx - 1)
1.1 nicm 1237: return;
1238:
1239: /* If this is a padding character, do nothing. */
1240: if (gc->flags & GRID_FLAG_PADDING)
1241: return;
1242:
1243: /* Set the attributes. */
1.176 nicm 1244: tty_attributes(tty, gc, wp);
1.1 nicm 1245:
1.147 nicm 1246: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.193 nicm 1247: if (gc->data.size == 1) {
1248: if (*gc->data.data < 0x20 || *gc->data.data == 0x7f)
1.1 nicm 1249: return;
1.193 nicm 1250: tty_putc(tty, *gc->data.data);
1.1 nicm 1251: return;
1252: }
1253:
1.147 nicm 1254: /* If not UTF-8, write _. */
1.1 nicm 1255: if (!(tty->flags & TTY_UTF8)) {
1.193 nicm 1256: for (i = 0; i < gc->data.width; i++)
1.1 nicm 1257: tty_putc(tty, '_');
1258: return;
1259: }
1260:
1.147 nicm 1261: /* Write the data. */
1.193 nicm 1262: tty_putn(tty, gc->data.data, gc->data.size, gc->data.width);
1.1 nicm 1263: }
1264:
1265: void
1266: tty_reset(struct tty *tty)
1267: {
1268: struct grid_cell *gc = &tty->cell;
1269:
1.228 nicm 1270: if (!grid_cells_equal(gc, &grid_default_cell)) {
1271: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1272: tty_putcode(tty, TTYC_RMACS);
1273: tty_putcode(tty, TTYC_SGR0);
1274: memcpy(gc, &grid_default_cell, sizeof *gc);
1275: }
1.1 nicm 1276:
1.228 nicm 1277: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1278: tty->last_wp = -1;
1.242 nicm 1279: }
1280:
1281: static void
1282: tty_invalidate(struct tty *tty)
1283: {
1284: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1285:
1286: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1287: tty->last_wp = -1;
1288:
1289: tty->cx = tty->cy = UINT_MAX;
1290:
1291: tty->rupper = tty->rleft = UINT_MAX;
1292: tty->rlower = tty->rright = UINT_MAX;
1293:
1294: if (tty->flags & TTY_STARTED) {
1295: tty_putcode(tty, TTYC_SGR0);
1296:
1297: tty->mode = ALL_MODES;
1298: tty_update_mode(tty, MODE_CURSOR, NULL);
1299:
1300: tty_cursor(tty, 0, 0);
1301: tty_region_off(tty);
1302: tty_margin_off(tty);
1303: } else
1304: tty->mode = MODE_CURSOR;
1.1 nicm 1305: }
1306:
1.214 nicm 1307: /* Turn off margin. */
1308: void
1309: tty_region_off(struct tty *tty)
1310: {
1311: tty_region(tty, 0, tty->sy - 1);
1312: }
1313:
1.40 nicm 1314: /* Set region inside pane. */
1.208 nicm 1315: static void
1.196 nicm 1316: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1317: u_int rlower)
1.1 nicm 1318: {
1.113 nicm 1319: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1320: }
1321:
1.40 nicm 1322: /* Set region at absolute position. */
1.214 nicm 1323: static void
1.40 nicm 1324: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1325: {
1326: if (tty->rlower == rlower && tty->rupper == rupper)
1327: return;
1.1 nicm 1328: if (!tty_term_has(tty->term, TTYC_CSR))
1329: return;
1.39 nicm 1330:
1331: tty->rupper = rupper;
1332: tty->rlower = rlower;
1.55 nicm 1333:
1334: /*
1335: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1336: * 0,0 if it is beyond the last column (they do not reset their wrap
1337: * flag so further output causes a line feed). As a workaround, do an
1338: * explicit move to 0 first.
1339: */
1340: if (tty->cx >= tty->sx)
1341: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1342:
1.39 nicm 1343: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 1344: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 1345: }
1346:
1.214 nicm 1347: /* Turn off margin. */
1348: void
1349: tty_margin_off(struct tty *tty)
1350: {
1351: tty_margin(tty, 0, tty->sx - 1);
1352: }
1353:
1.212 nicm 1354: /* Set margin inside pane. */
1355: static void
1356: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
1357: {
1358: tty_margin(tty, ctx->xoff, ctx->xoff + ctx->wp->sx - 1);
1359: }
1360:
1361: /* Set margin at absolute position. */
1.214 nicm 1362: static void
1.212 nicm 1363: tty_margin(struct tty *tty, u_int rleft, u_int rright)
1364: {
1365: char s[64];
1366:
1367: if (!tty_use_margin(tty))
1368: return;
1369: if (tty->rleft == rleft && tty->rright == rright)
1370: return;
1371:
1.232 nicm 1372: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 1373:
1.212 nicm 1374: tty->rleft = rleft;
1375: tty->rright = rright;
1376:
1.232 nicm 1377: if (rleft == 0 && rright == tty->sx - 1)
1378: snprintf(s, sizeof s, "\033[s");
1379: else
1380: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 1381: tty_puts(tty, s);
1.249 nicm 1382: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1383: }
1384:
1.42 nicm 1385: /* Move cursor inside pane. */
1.208 nicm 1386: static void
1.41 nicm 1387: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1388: {
1.113 nicm 1389: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1390: }
1391:
1.42 nicm 1392: /* Move cursor to absolute position. */
1.41 nicm 1393: void
1394: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1395: {
1.42 nicm 1396: struct tty_term *term = tty->term;
1397: u_int thisx, thisy;
1398: int change;
1.77 nicm 1399:
1.42 nicm 1400: if (cx > tty->sx - 1)
1401: cx = tty->sx - 1;
1402:
1403: thisx = tty->cx;
1404: thisy = tty->cy;
1405:
1406: /* No change. */
1407: if (cx == thisx && cy == thisy)
1408: return;
1409:
1.43 nicm 1410: /* Very end of the line, just use absolute movement. */
1411: if (thisx > tty->sx - 1)
1412: goto absolute;
1413:
1.42 nicm 1414: /* Move to home position (0, 0). */
1415: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1416: tty_putcode(tty, TTYC_HOME);
1417: goto out;
1418: }
1419:
1420: /* Zero on the next line. */
1.48 nicm 1421: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1422: tty_putc(tty, '\r');
1.42 nicm 1423: tty_putc(tty, '\n');
1424: goto out;
1425: }
1426:
1.45 nicm 1427: /* Moving column or row. */
1.42 nicm 1428: if (cy == thisy) {
1.45 nicm 1429: /*
1430: * Moving column only, row staying the same.
1431: */
1432:
1.42 nicm 1433: /* To left edge. */
1.202 nicm 1434: if (cx == 0) {
1.42 nicm 1435: tty_putc(tty, '\r');
1436: goto out;
1437: }
1438:
1439: /* One to the left. */
1440: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1441: tty_putcode(tty, TTYC_CUB1);
1442: goto out;
1443: }
1444:
1445: /* One to the right. */
1446: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1447: tty_putcode(tty, TTYC_CUF1);
1448: goto out;
1449: }
1450:
1451: /* Calculate difference. */
1452: change = thisx - cx; /* +ve left, -ve right */
1453:
1454: /*
1455: * Use HPA if change is larger than absolute, otherwise move
1456: * the cursor with CUB/CUF.
1457: */
1.87 nicm 1458: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1459: tty_putcode1(tty, TTYC_HPA, cx);
1460: goto out;
1461: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1.202 nicm 1462: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
1463: tty_putcode(tty, TTYC_CUB1);
1464: tty_putcode(tty, TTYC_CUB1);
1465: goto out;
1466: }
1.42 nicm 1467: tty_putcode1(tty, TTYC_CUB, change);
1468: goto out;
1469: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1470: tty_putcode1(tty, TTYC_CUF, -change);
1471: goto out;
1472: }
1.45 nicm 1473: } else if (cx == thisx) {
1474: /*
1475: * Moving row only, column staying the same.
1476: */
1.42 nicm 1477:
1478: /* One above. */
1.77 nicm 1479: if (thisy != tty->rupper &&
1.42 nicm 1480: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1481: tty_putcode(tty, TTYC_CUU1);
1482: goto out;
1483: }
1484:
1485: /* One below. */
1.49 nicm 1486: if (thisy != tty->rlower &&
1.42 nicm 1487: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1488: tty_putcode(tty, TTYC_CUD1);
1489: goto out;
1490: }
1491:
1492: /* Calculate difference. */
1493: change = thisy - cy; /* +ve up, -ve down */
1494:
1495: /*
1.77 nicm 1496: * Try to use VPA if change is larger than absolute or if this
1497: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1498: */
1.87 nicm 1499: if ((u_int) abs(change) > cy ||
1.42 nicm 1500: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1501: (change > 0 && cy - change < tty->rupper)) {
1502: if (tty_term_has(term, TTYC_VPA)) {
1503: tty_putcode1(tty, TTYC_VPA, cy);
1504: goto out;
1505: }
1.42 nicm 1506: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1507: tty_putcode1(tty, TTYC_CUU, change);
1508: goto out;
1509: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1510: tty_putcode1(tty, TTYC_CUD, -change);
1511: goto out;
1512: }
1513: }
1514:
1.43 nicm 1515: absolute:
1.42 nicm 1516: /* Absolute movement. */
1517: tty_putcode2(tty, TTYC_CUP, cy, cx);
1518:
1519: out:
1520: tty->cx = cx;
1521: tty->cy = cy;
1.1 nicm 1522: }
1523:
1524: void
1.176 nicm 1525: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1526: const struct window_pane *wp)
1.1 nicm 1527: {
1.63 nicm 1528: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1529: u_char changed;
1.61 nicm 1530:
1.228 nicm 1531: /* Ignore cell if it is the same as the last one. */
1532: if (wp != NULL &&
1533: (int)wp->id == tty->last_wp &&
1534: ~(wp->window->flags & WINDOW_STYLECHANGED) &&
1535: gc->attr == tty->last_cell.attr &&
1536: gc->fg == tty->last_cell.fg &&
1537: gc->bg == tty->last_cell.bg)
1538: return;
1539: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
1540: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
1541:
1542: /* Copy cell and update default colours. */
1.85 nicm 1543: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 1544: if (wp != NULL)
1545: tty_default_colours(&gc2, wp);
1.63 nicm 1546:
1.18 nicm 1547: /*
1548: * If no setab, try to use the reverse attribute as a best-effort for a
1549: * non-default background. This is a bit of a hack but it doesn't do
1550: * any serious harm and makes a couple of applications happier.
1551: */
1552: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1553: if (gc2.attr & GRID_ATTR_REVERSE) {
1554: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1555: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1556: } else {
1.85 nicm 1557: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1558: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1559: }
1560: }
1.1 nicm 1561:
1.85 nicm 1562: /* Fix up the colours if necessary. */
1.219 nicm 1563: tty_check_fg(tty, wp, &gc2);
1564: tty_check_bg(tty, wp, &gc2);
1.85 nicm 1565:
1.64 nicm 1566: /* If any bits are being cleared, reset everything. */
1.85 nicm 1567: if (tc->attr & ~gc2.attr)
1.64 nicm 1568: tty_reset(tty);
1569:
1570: /*
1571: * Set the colours. This may call tty_reset() (so it comes next) and
1572: * may add to (NOT remove) the desired attributes by changing new_attr.
1573: */
1.85 nicm 1574: tty_colours(tty, &gc2);
1.64 nicm 1575:
1.1 nicm 1576: /* Filter out attribute bits already set. */
1.85 nicm 1577: changed = gc2.attr & ~tc->attr;
1578: tc->attr = gc2.attr;
1.1 nicm 1579:
1580: /* Set the attributes. */
1581: if (changed & GRID_ATTR_BRIGHT)
1582: tty_putcode(tty, TTYC_BOLD);
1583: if (changed & GRID_ATTR_DIM)
1584: tty_putcode(tty, TTYC_DIM);
1.180 nicm 1585: if (changed & GRID_ATTR_ITALICS)
1586: tty_set_italics(tty);
1.1 nicm 1587: if (changed & GRID_ATTR_UNDERSCORE)
1588: tty_putcode(tty, TTYC_SMUL);
1589: if (changed & GRID_ATTR_BLINK)
1590: tty_putcode(tty, TTYC_BLINK);
1591: if (changed & GRID_ATTR_REVERSE) {
1592: if (tty_term_has(tty->term, TTYC_REV))
1593: tty_putcode(tty, TTYC_REV);
1594: else if (tty_term_has(tty->term, TTYC_SMSO))
1595: tty_putcode(tty, TTYC_SMSO);
1596: }
1597: if (changed & GRID_ATTR_HIDDEN)
1598: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1599: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1600: tty_putcode(tty, TTYC_SMACS);
1601: }
1602:
1.207 nicm 1603: static void
1.85 nicm 1604: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1605: {
1.61 nicm 1606: struct grid_cell *tc = &tty->cell;
1.204 nicm 1607: int have_ax;
1.61 nicm 1608:
1609: /* No changes? Nothing is necessary. */
1.204 nicm 1610: if (gc->fg == tc->fg && gc->bg == tc->bg)
1.63 nicm 1611: return;
1.1 nicm 1612:
1.61 nicm 1613: /*
1614: * Is either the default colour? This is handled specially because the
1615: * best solution might be to reset both colours to default, in which
1616: * case if only one is default need to fall onward to set the other
1617: * colour.
1618: */
1.204 nicm 1619: if (gc->fg == 8 || gc->bg == 8) {
1.61 nicm 1620: /*
1621: * If don't have AX but do have op, send sgr0 (op can't
1622: * actually be used because it is sometimes the same as sgr0
1623: * and sometimes isn't). This resets both colours to default.
1624: *
1625: * Otherwise, try to set the default colour only as needed.
1626: */
1.174 nicm 1627: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 1628: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1629: tty_reset(tty);
1630: else {
1.204 nicm 1631: if (gc->fg == 8 && tc->fg != 8) {
1.61 nicm 1632: if (have_ax)
1633: tty_puts(tty, "\033[39m");
1.204 nicm 1634: else if (tc->fg != 7)
1.61 nicm 1635: tty_putcode1(tty, TTYC_SETAF, 7);
1636: tc->fg = 8;
1637: }
1.204 nicm 1638: if (gc->bg == 8 && tc->bg != 8) {
1.77 nicm 1639: if (have_ax)
1.61 nicm 1640: tty_puts(tty, "\033[49m");
1.204 nicm 1641: else if (tc->bg != 0)
1.61 nicm 1642: tty_putcode1(tty, TTYC_SETAB, 0);
1643: tc->bg = 8;
1644: }
1645: }
1646: }
1.1 nicm 1647:
1.61 nicm 1648: /* Set the foreground colour. */
1.204 nicm 1649: if (gc->fg != 8 && gc->fg != tc->fg)
1.85 nicm 1650: tty_colours_fg(tty, gc);
1.1 nicm 1651:
1.61 nicm 1652: /*
1653: * Set the background colour. This must come after the foreground as
1654: * tty_colour_fg() can call tty_reset().
1655: */
1.204 nicm 1656: if (gc->bg != 8 && gc->bg != tc->bg)
1.73 nicm 1657: tty_colours_bg(tty, gc);
1.1 nicm 1658: }
1659:
1.219 nicm 1660: static void
1661: tty_check_fg(struct tty *tty, const struct window_pane *wp,
1662: struct grid_cell *gc)
1.85 nicm 1663: {
1.204 nicm 1664: u_char r, g, b;
1665: u_int colours;
1.223 nicm 1666: int c;
1.85 nicm 1667:
1.219 nicm 1668: /* Perform substitution if this pane has a palette */
1669: if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
1.223 nicm 1670: (c = window_pane_get_palette(wp, gc->fg)) != -1)
1671: gc->fg = c;
1.219 nicm 1672:
1.199 nicm 1673: /* Is this a 24-bit colour? */
1.204 nicm 1674: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 1675: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1676: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1677: colour_split_rgb(gc->fg, &r, &g, &b);
1678: gc->fg = colour_find_rgb(r, g, b);
1679: } else
1.200 nicm 1680: return;
1.199 nicm 1681: }
1.224 nicm 1682:
1683: /* How many colours does this terminal have? */
1684: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1685: colours = 256;
1686: else
1687: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1688:
1.85 nicm 1689: /* Is this a 256-colour colour? */
1.204 nicm 1690: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 1691: /* And not a 256 colour mode? */
1.224 nicm 1692: if (colours != 256) {
1.85 nicm 1693: gc->fg = colour_256to16(gc->fg);
1694: if (gc->fg & 8) {
1695: gc->fg &= 7;
1.175 nicm 1696: if (colours >= 16)
1697: gc->fg += 90;
1698: else
1699: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1700: } else
1701: gc->attr &= ~GRID_ATTR_BRIGHT;
1702: }
1703: return;
1704: }
1705:
1706: /* Is this an aixterm colour? */
1707: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1708: gc->fg -= 90;
1709: gc->attr |= GRID_ATTR_BRIGHT;
1710: }
1711: }
1712:
1.219 nicm 1713: static void
1714: tty_check_bg(struct tty *tty, const struct window_pane *wp,
1715: struct grid_cell *gc)
1.85 nicm 1716: {
1.204 nicm 1717: u_char r, g, b;
1718: u_int colours;
1.223 nicm 1719: int c;
1.85 nicm 1720:
1.219 nicm 1721: /* Perform substitution if this pane has a palette */
1722: if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
1.223 nicm 1723: (c = window_pane_get_palette(wp, gc->bg)) != -1)
1724: gc->bg = c;
1.219 nicm 1725:
1.199 nicm 1726: /* Is this a 24-bit colour? */
1.204 nicm 1727: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 1728: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1729: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1730: colour_split_rgb(gc->bg, &r, &g, &b);
1731: gc->bg = colour_find_rgb(r, g, b);
1732: } else
1.200 nicm 1733: return;
1.199 nicm 1734: }
1.224 nicm 1735:
1736: /* How many colours does this terminal have? */
1737: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1738: colours = 256;
1739: else
1740: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1741:
1.85 nicm 1742: /* Is this a 256-colour colour? */
1.204 nicm 1743: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 1744: /*
1745: * And not a 256 colour mode? Translate to 16-colour
1746: * palette. Bold background doesn't exist portably, so just
1747: * discard the bold bit if set.
1748: */
1.224 nicm 1749: if (colours != 256) {
1.85 nicm 1750: gc->bg = colour_256to16(gc->bg);
1.175 nicm 1751: if (gc->bg & 8) {
1.85 nicm 1752: gc->bg &= 7;
1.175 nicm 1753: if (colours >= 16)
1754: gc->fg += 90;
1755: }
1.85 nicm 1756: }
1757: return;
1758: }
1759:
1760: /* Is this an aixterm colour? */
1.175 nicm 1761: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 1762: gc->bg -= 90;
1763: }
1764:
1.207 nicm 1765: static void
1.85 nicm 1766: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1767: {
1.61 nicm 1768: struct grid_cell *tc = &tty->cell;
1.79 nicm 1769: char s[32];
1.1 nicm 1770:
1.204 nicm 1771: /* Is this a 24-bit or 256-colour colour? */
1772: if (gc->fg & COLOUR_FLAG_RGB ||
1773: gc->fg & COLOUR_FLAG_256) {
1774: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 1775: goto save_fg;
1.199 nicm 1776: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 1777: return;
1.1 nicm 1778: }
1779:
1.79 nicm 1780: /* Is this an aixterm bright colour? */
1.204 nicm 1781: if (gc->fg >= 90 && gc->fg <= 97) {
1782: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
1.85 nicm 1783: tty_puts(tty, s);
1784: goto save_fg;
1.79 nicm 1785: }
1786:
1.61 nicm 1787: /* Otherwise set the foreground colour. */
1.204 nicm 1788: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 1789:
1.77 nicm 1790: save_fg:
1.61 nicm 1791: /* Save the new values in the terminal current cell. */
1.204 nicm 1792: tc->fg = gc->fg;
1.1 nicm 1793: }
1794:
1.207 nicm 1795: static void
1.73 nicm 1796: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1797: {
1.61 nicm 1798: struct grid_cell *tc = &tty->cell;
1.79 nicm 1799: char s[32];
1.1 nicm 1800:
1.204 nicm 1801: /* Is this a 24-bit or 256-colour colour? */
1802: if (gc->bg & COLOUR_FLAG_RGB ||
1803: gc->bg & COLOUR_FLAG_256) {
1804: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 1805: goto save_bg;
1.199 nicm 1806: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 1807: return;
1.79 nicm 1808: }
1809:
1810: /* Is this an aixterm bright colour? */
1.204 nicm 1811: if (gc->bg >= 90 && gc->bg <= 97) {
1812: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
1.175 nicm 1813: tty_puts(tty, s);
1814: goto save_bg;
1.1 nicm 1815: }
1816:
1.61 nicm 1817: /* Otherwise set the background colour. */
1.204 nicm 1818: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 1819:
1820: save_bg:
1821: /* Save the new values in the terminal current cell. */
1.204 nicm 1822: tc->bg = gc->bg;
1.61 nicm 1823: }
1824:
1.207 nicm 1825: static int
1.204 nicm 1826: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 1827: {
1.204 nicm 1828: u_char r, g, b;
1.61 nicm 1829: char s[32];
1830:
1.204 nicm 1831: if (colour & COLOUR_FLAG_256) {
1832: /*
1833: * If the user has specified -2 to the client, setaf and setab
1834: * may not work (or they may not want to use them), so send the
1835: * usual sequence.
1836: */
1837: if (tty->term_flags & TERM_256COLOURS)
1838: goto fallback_256;
1.189 nicm 1839:
1.204 nicm 1840: /*
1841: * If the terminfo entry has 256 colours and setaf and setab
1842: * exist, assume that they work correctly.
1843: */
1844: if (tty->term->flags & TERM_256COLOURS) {
1845: if (*type == '3') {
1846: if (!tty_term_has(tty->term, TTYC_SETAF))
1847: goto fallback_256;
1848: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
1849: } else {
1850: if (!tty_term_has(tty->term, TTYC_SETAB))
1851: goto fallback_256;
1852: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
1853: }
1854: return (0);
1.188 nicm 1855: }
1.204 nicm 1856: goto fallback_256;
1857: }
1858:
1859: if (colour & COLOUR_FLAG_RGB) {
1860: if (!tty_term_flag(tty->term, TTYC_TC))
1861: return (-1);
1862:
1863: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1864: xsnprintf(s, sizeof s, "\033[%s;2;%hhu;%hhu;%hhum", type,
1865: r, g, b);
1866: tty_puts(tty, s);
1.165 nicm 1867: return (0);
1868: }
1.61 nicm 1869:
1.165 nicm 1870: return (-1);
1.188 nicm 1871:
1.204 nicm 1872: fallback_256:
1873: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.188 nicm 1874: tty_puts(tty, s);
1875: return (0);
1.176 nicm 1876: }
1877:
1.207 nicm 1878: static void
1.176 nicm 1879: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
1880: {
1.203 nicm 1881: struct window *w = wp->window;
1882: struct options *oo = w->options;
1883: const struct grid_cell *agc, *pgc, *wgc;
1.223 nicm 1884: int c;
1.203 nicm 1885:
1886: if (w->flags & WINDOW_STYLECHANGED) {
1887: w->flags &= ~WINDOW_STYLECHANGED;
1888: agc = options_get_style(oo, "window-active-style");
1889: memcpy(&w->active_style, agc, sizeof w->active_style);
1890: wgc = options_get_style(oo, "window-style");
1891: memcpy(&w->style, wgc, sizeof w->style);
1892: } else {
1893: agc = &w->active_style;
1894: wgc = &w->style;
1895: }
1.176 nicm 1896: pgc = &wp->colgc;
1897:
1.204 nicm 1898: if (gc->fg == 8) {
1899: if (pgc->fg != 8)
1.176 nicm 1900: gc->fg = pgc->fg;
1.204 nicm 1901: else if (wp == w->active && agc->fg != 8)
1.176 nicm 1902: gc->fg = agc->fg;
1.204 nicm 1903: else
1.176 nicm 1904: gc->fg = wgc->fg;
1.219 nicm 1905:
1.223 nicm 1906: if (gc->fg != 8 &&
1907: (c = window_pane_get_palette(wp, gc->fg)) != -1)
1908: gc->fg = c;
1.176 nicm 1909: }
1910:
1.204 nicm 1911: if (gc->bg == 8) {
1912: if (pgc->bg != 8)
1.176 nicm 1913: gc->bg = pgc->bg;
1.204 nicm 1914: else if (wp == w->active && agc->bg != 8)
1.176 nicm 1915: gc->bg = agc->bg;
1.204 nicm 1916: else
1.176 nicm 1917: gc->bg = wgc->bg;
1.219 nicm 1918:
1.223 nicm 1919: if (gc->bg != 8 &&
1920: (c = window_pane_get_palette(wp, gc->bg)) != -1)
1921: gc->bg = c;
1.176 nicm 1922: }
1.210 nicm 1923: }
1924:
1925: static void
1926: tty_default_attributes(struct tty *tty, const struct window_pane *wp, u_int bg)
1927: {
1928: static struct grid_cell gc;
1929:
1930: memcpy(&gc, &grid_default_cell, sizeof gc);
1931: gc.bg = bg;
1932: tty_attributes(tty, &gc, wp);
1.1 nicm 1933: }
![[BACK]](/icons/back.gif){kind=icon}
Return to tty.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / tmux