Annotation of src/usr.bin/tmux/tty.c, Revision 1.242
1.242 ! nicm 1: /* $OpenBSD: tty.c,v 1.241 2017/02/08 22:42:07 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:
1.208 nicm 37: static void tty_init_termios(int, struct termios *, struct bufferevent *);
38:
1.207 nicm 39: static void tty_read_callback(struct bufferevent *, void *);
40: static void tty_error_callback(struct bufferevent *, short, void *);
1.66 nicm 41:
1.207 nicm 42: static int tty_client_ready(struct client *, struct window_pane *);
1.201 nicm 43:
1.207 nicm 44: static void tty_set_italics(struct tty *);
45: static int tty_try_colour(struct tty *, int, const char *);
1.208 nicm 46: static void tty_force_cursor_colour(struct tty *, const char *);
47: static void tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int,
48: u_int);
1.242 ! nicm 49: static void tty_invalidate(struct tty *);
1.207 nicm 50: static void tty_colours(struct tty *, const struct grid_cell *);
1.219 nicm 51: static void tty_check_fg(struct tty *, const struct window_pane *,
52: struct grid_cell *);
53: static void tty_check_bg(struct tty *, const struct window_pane *,
54: struct grid_cell *);
1.207 nicm 55: static void tty_colours_fg(struct tty *, const struct grid_cell *);
56: static void tty_colours_bg(struct tty *, const struct grid_cell *);
57:
1.208 nicm 58: static void tty_region_pane(struct tty *, const struct tty_ctx *, u_int,
59: u_int);
1.214 nicm 60: static void tty_region(struct tty *, u_int, u_int);
1.212 nicm 61: static void tty_margin_pane(struct tty *, const struct tty_ctx *);
1.214 nicm 62: static void tty_margin(struct tty *, u_int, u_int);
1.207 nicm 63: static int tty_large_region(struct tty *, const struct tty_ctx *);
1.210 nicm 64: static int tty_fake_bce(const struct tty *, const struct window_pane *,
65: u_int);
1.207 nicm 66: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
67: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
68: enum tty_code_code, u_int);
69: static void tty_repeat_space(struct tty *, u_int);
70: static void tty_cell(struct tty *, const struct grid_cell *,
71: const struct window_pane *);
72: static void tty_default_colours(struct grid_cell *,
73: const struct window_pane *);
1.210 nicm 74: static void tty_default_attributes(struct tty *, const struct window_pane *,
75: u_int);
1.1 nicm 76:
1.90 nicm 77: #define tty_use_acs(tty) \
1.131 nicm 78: (tty_term_has((tty)->term, TTYC_ACSC) && !((tty)->flags & TTY_UTF8))
1.212 nicm 79: #define tty_use_margin(tty) \
1.214 nicm 80: ((tty)->term_type == TTY_VT420)
1.90 nicm 81:
1.229 nicm 82: #define tty_pane_full_width(tty, ctx) \
1.132 nicm 83: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
84:
1.192 nicm 85: void
86: tty_create_log(void)
87: {
88: char name[64];
89:
90: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
91:
92: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
93: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
94: fatal("fcntl failed");
95: }
96:
1.185 nicm 97: int
1.136 nicm 98: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 99: {
1.30 nicm 100: char *path;
101:
1.185 nicm 102: if (!isatty(fd))
103: return (-1);
104:
1.30 nicm 105: memset(tty, 0, sizeof *tty);
1.22 nicm 106:
1.9 nicm 107: if (term == NULL || *term == '\0')
1.220 nicm 108: tty->term_name = xstrdup("unknown");
1.1 nicm 109: else
1.220 nicm 110: tty->term_name = xstrdup(term);
1.30 nicm 111: tty->fd = fd;
1.136 nicm 112: tty->client = c;
1.30 nicm 113:
114: if ((path = ttyname(fd)) == NULL)
1.185 nicm 115: return (-1);
1.30 nicm 116: tty->path = xstrdup(path);
1.108 nicm 117: tty->cstyle = 0;
1.107 nicm 118: tty->ccolour = xstrdup("");
1.30 nicm 119:
1.1 nicm 120: tty->flags = 0;
1.212 nicm 121:
1.1 nicm 122: tty->term_flags = 0;
1.212 nicm 123: tty->term_type = TTY_UNKNOWN;
1.185 nicm 124:
125: return (0);
1.31 nicm 126: }
127:
1.88 nicm 128: int
1.31 nicm 129: tty_resize(struct tty *tty)
130: {
131: struct winsize ws;
1.88 nicm 132: u_int sx, sy;
1.31 nicm 133:
134: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 135: sx = ws.ws_col;
136: if (sx == 0)
137: sx = 80;
138: sy = ws.ws_row;
139: if (sy == 0)
140: sy = 24;
141: } else {
142: sx = 80;
143: sy = 24;
1.31 nicm 144: }
1.235 nicm 145: log_debug("%s: %s now %ux%u", __func__, tty->path, sx, sy);
1.114 nicm 146: if (!tty_set_size(tty, sx, sy))
1.88 nicm 147: return (0);
1.242 ! nicm 148: tty_invalidate(tty);
1.114 nicm 149: return (1);
150: }
151:
152: int
1.212 nicm 153: tty_set_size(struct tty *tty, u_int sx, u_int sy)
154: {
1.114 nicm 155: if (sx == tty->sx && sy == tty->sy)
156: return (0);
157: tty->sx = sx;
158: tty->sy = sy;
1.88 nicm 159: return (1);
1.1 nicm 160: }
161:
162: int
1.166 nicm 163: tty_open(struct tty *tty, char **cause)
1.1 nicm 164: {
1.220 nicm 165: tty->term = tty_term_find(tty->term_name, tty->fd, cause);
1.21 nicm 166: if (tty->term == NULL) {
167: tty_close(tty);
168: return (-1);
169: }
170: tty->flags |= TTY_OPENED;
1.1 nicm 171:
1.149 nicm 172: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_TIMER);
1.1 nicm 173:
1.196 nicm 174: tty->event = bufferevent_new(tty->fd, tty_read_callback, NULL,
175: tty_error_callback, tty);
1.1 nicm 176:
177: tty_start_tty(tty);
178:
1.148 nicm 179: tty_keys_build(tty);
1.1 nicm 180:
181: return (0);
182: }
183:
1.207 nicm 184: static void
1.194 nicm 185: tty_read_callback(__unused struct bufferevent *bufev, void *data)
1.67 nicm 186: {
187: struct tty *tty = data;
188:
189: while (tty_keys_next(tty))
190: ;
191: }
192:
1.207 nicm 193: static void
1.194 nicm 194: tty_error_callback(__unused struct bufferevent *bufev, __unused short what,
195: __unused void *data)
1.66 nicm 196: {
197: }
198:
1.208 nicm 199: static void
1.127 nicm 200: tty_init_termios(int fd, struct termios *orig_tio, struct bufferevent *bufev)
1.1 nicm 201: {
1.128 nicm 202: struct termios tio;
1.33 nicm 203:
1.127 nicm 204: if (fd == -1 || tcgetattr(fd, orig_tio) != 0)
1.33 nicm 205: return;
1.1 nicm 206:
1.127 nicm 207: setblocking(fd, 0);
1.34 nicm 208:
1.127 nicm 209: if (bufev != NULL)
210: bufferevent_enable(bufev, EV_READ|EV_WRITE);
1.66 nicm 211:
1.127 nicm 212: memcpy(&tio, orig_tio, sizeof tio);
1.1 nicm 213: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
214: tio.c_iflag |= IGNBRK;
215: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
216: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
1.169 jsg 217: ECHOPRT|ECHOKE|ISIG);
1.1 nicm 218: tio.c_cc[VMIN] = 1;
1.60 deraadt 219: tio.c_cc[VTIME] = 0;
1.127 nicm 220: if (tcsetattr(fd, TCSANOW, &tio) == 0)
221: tcflush(fd, TCIOFLUSH);
222: }
223:
224: void
225: tty_start_tty(struct tty *tty)
226: {
227: tty_init_termios(tty->fd, &tty->tio, tty->event);
1.1 nicm 228:
1.10 nicm 229: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 230:
1.76 nicm 231: tty_putcode(tty, TTYC_RMKX);
1.90 nicm 232: if (tty_use_acs(tty))
233: tty_putcode(tty, TTYC_ENACS);
1.1 nicm 234: tty_putcode(tty, TTYC_CLEAR);
235:
236: tty_putcode(tty, TTYC_CNORM);
237: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 238: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.121 nicm 239:
1.189 nicm 240: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 241: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 242: tty->flags |= TTY_FOCUS;
243: tty_puts(tty, "\033[?1004h");
244: }
1.212 nicm 245: tty_puts(tty, "\033[c");
1.162 nicm 246: }
1.1 nicm 247:
1.20 nicm 248: tty->flags |= TTY_STARTED;
1.242 ! nicm 249: tty_invalidate(tty);
1.107 nicm 250:
251: tty_force_cursor_colour(tty, "");
1.177 nicm 252:
253: tty->mouse_drag_flag = 0;
254: tty->mouse_drag_update = NULL;
255: tty->mouse_drag_release = NULL;
1.128 nicm 256: }
257:
258: void
1.1 nicm 259: tty_stop_tty(struct tty *tty)
260: {
261: struct winsize ws;
262:
1.20 nicm 263: if (!(tty->flags & TTY_STARTED))
264: return;
265: tty->flags &= ~TTY_STARTED;
266:
1.66 nicm 267: bufferevent_disable(tty->event, EV_READ|EV_WRITE);
268:
1.1 nicm 269: /*
270: * Be flexible about error handling and try not kill the server just
271: * because the fd is invalid. Things like ssh -t can easily leave us
272: * with a dead tty.
273: */
274: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
275: return;
276: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
277: return;
278:
279: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.90 nicm 280: if (tty_use_acs(tty))
281: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 282: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
283: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
284: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 285: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
286: if (tty_term_has(tty->term, TTYC_SE))
287: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 288: else
1.160 nicm 289: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 290: }
1.173 nicm 291: if (tty->mode & MODE_BRACKETPASTE)
292: tty_raw(tty, "\033[?2004l");
1.107 nicm 293: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 294:
295: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
296: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 297: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.151 nicm 298:
1.189 nicm 299: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 300: if (tty->flags & TTY_FOCUS) {
301: tty->flags &= ~TTY_FOCUS;
1.172 nicm 302: tty_raw(tty, "\033[?1004l");
1.162 nicm 303: }
304: }
1.10 nicm 305:
1.212 nicm 306: if (tty_use_margin(tty))
307: tty_raw(tty, "\033[?69l"); /* DECLRMM */
1.10 nicm 308: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 309:
310: setblocking(tty->fd, 1);
1.1 nicm 311: }
312:
313: void
1.20 nicm 314: tty_close(struct tty *tty)
1.1 nicm 315: {
1.123 nicm 316: if (event_initialized(&tty->key_timer))
317: evtimer_del(&tty->key_timer);
1.20 nicm 318: tty_stop_tty(tty);
1.1 nicm 319:
1.21 nicm 320: if (tty->flags & TTY_OPENED) {
1.66 nicm 321: bufferevent_free(tty->event);
322:
1.21 nicm 323: tty_term_free(tty->term);
324: tty_keys_free(tty);
325:
326: tty->flags &= ~TTY_OPENED;
327: }
1.1 nicm 328:
1.21 nicm 329: if (tty->fd != -1) {
330: close(tty->fd);
331: tty->fd = -1;
332: }
1.1 nicm 333: }
334:
335: void
1.20 nicm 336: tty_free(struct tty *tty)
1.1 nicm 337: {
1.20 nicm 338: tty_close(tty);
1.1 nicm 339:
1.138 nicm 340: free(tty->ccolour);
1.190 nicm 341: free(tty->path);
1.220 nicm 342: free(tty->term_name);
1.1 nicm 343: }
344:
345: void
1.212 nicm 346: tty_set_type(struct tty *tty, int type)
347: {
348: tty->term_type = type;
349:
350: if (tty_use_margin(tty))
351: tty_puts(tty, "\033[?69h"); /* DECLRMM */
352: }
353:
354: void
1.1 nicm 355: tty_raw(struct tty *tty, const char *s)
356: {
1.150 nicm 357: ssize_t n, slen;
358: u_int i;
359:
360: slen = strlen(s);
361: for (i = 0; i < 5; i++) {
362: n = write(tty->fd, s, slen);
363: if (n >= 0) {
364: s += n;
365: slen -= n;
366: if (slen == 0)
367: break;
368: } else if (n == -1 && errno != EAGAIN)
369: break;
370: usleep(100);
371: }
1.1 nicm 372: }
373:
374: void
375: tty_putcode(struct tty *tty, enum tty_code_code code)
376: {
377: tty_puts(tty, tty_term_string(tty->term, code));
378: }
379:
380: void
381: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
382: {
383: if (a < 0)
384: return;
385: tty_puts(tty, tty_term_string1(tty->term, code, a));
386: }
387:
388: void
389: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
390: {
391: if (a < 0 || b < 0)
392: return;
393: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
394: }
395:
396: void
1.107 nicm 397: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
398: {
399: if (a != NULL)
400: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
401: }
402:
403: void
1.167 nicm 404: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
405: const void *b)
1.106 nicm 406: {
407: if (a != NULL && b != NULL)
408: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
409: }
410:
411: void
1.1 nicm 412: tty_puts(struct tty *tty, const char *s)
413: {
1.234 nicm 414: size_t size = EVBUFFER_LENGTH(tty->event->output);
415:
1.1 nicm 416: if (*s == '\0')
417: return;
1.234 nicm 418:
1.66 nicm 419: bufferevent_write(tty->event, s, strlen(s));
1.234 nicm 420: log_debug("%s (%zu): %s", tty->path, size, s);
1.1 nicm 421:
1.192 nicm 422: if (tty_log_fd != -1)
423: write(tty_log_fd, s, strlen(s));
1.1 nicm 424: }
425:
426: void
427: tty_putc(struct tty *tty, u_char ch)
428: {
1.234 nicm 429: size_t size = EVBUFFER_LENGTH(tty->event->output);
1.90 nicm 430: const char *acs;
1.1 nicm 431:
1.90 nicm 432: if (tty->cell.attr & GRID_ATTR_CHARSET) {
433: acs = tty_acs_get(tty, ch);
1.231 nicm 434: if (acs != NULL) {
1.90 nicm 435: bufferevent_write(tty->event, acs, strlen(acs));
1.234 nicm 436: log_debug("%s (%zu): %s", tty->path, size, acs);
1.231 nicm 437: } else {
1.90 nicm 438: bufferevent_write(tty->event, &ch, 1);
1.234 nicm 439: log_debug("%s (%zu): %c", tty->path, size, ch);
1.231 nicm 440: }
441: } else {
1.90 nicm 442: bufferevent_write(tty->event, &ch, 1);
1.234 nicm 443: log_debug("%s (%zu): %c", tty->path, size, ch);
1.231 nicm 444: }
1.1 nicm 445:
446: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 447: if (tty->cx >= tty->sx) {
1.46 nicm 448: tty->cx = 1;
449: if (tty->cy != tty->rlower)
450: tty->cy++;
1.211 nicm 451:
452: /*
453: * On !xenl terminals, force the cursor position to
454: * where we think it should be after a line wrap - this
455: * means it works on sensible terminals as well.
456: */
457: if (tty->term->flags & TERM_EARLYWRAP)
458: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 459: } else
460: tty->cx++;
461: }
462:
1.192 nicm 463: if (tty_log_fd != -1)
464: write(tty_log_fd, &ch, 1);
1.1 nicm 465: }
466:
467: void
1.147 nicm 468: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 469: {
1.234 nicm 470: size_t size = EVBUFFER_LENGTH(tty->event->output);
471:
1.147 nicm 472: bufferevent_write(tty->event, buf, len);
1.234 nicm 473: log_debug("%s (%zu): %.*s", tty->path, size, (int)len, (char *)buf);
1.231 nicm 474:
1.192 nicm 475: if (tty_log_fd != -1)
476: write(tty_log_fd, buf, len);
1.231 nicm 477:
1.147 nicm 478: tty->cx += width;
1.5 nicm 479: }
480:
1.207 nicm 481: static void
1.180 nicm 482: tty_set_italics(struct tty *tty)
483: {
484: const char *s;
485:
486: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 487: s = options_get_string(global_options, "default-terminal");
1.180 nicm 488: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
489: tty_putcode(tty, TTYC_SITM);
490: return;
491: }
492: }
493: tty_putcode(tty, TTYC_SMSO);
494: }
495:
496: void
1.1 nicm 497: tty_set_title(struct tty *tty, const char *title)
498: {
1.105 nicm 499: if (!tty_term_has(tty->term, TTYC_TSL) ||
500: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 501: return;
502:
1.105 nicm 503: tty_putcode(tty, TTYC_TSL);
1.1 nicm 504: tty_puts(tty, title);
1.105 nicm 505: tty_putcode(tty, TTYC_FSL);
1.1 nicm 506: }
507:
1.208 nicm 508: static void
1.107 nicm 509: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
510: {
511: if (*ccolour == '\0')
512: tty_putcode(tty, TTYC_CR);
513: else
1.160 nicm 514: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 515: free(tty->ccolour);
1.107 nicm 516: tty->ccolour = xstrdup(ccolour);
517: }
518:
519: void
520: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 521: {
522: int changed;
523:
1.197 nicm 524: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 525: tty_force_cursor_colour(tty, s->ccolour);
526:
1.1 nicm 527: if (tty->flags & TTY_NOCURSOR)
528: mode &= ~MODE_CURSOR;
529:
530: changed = mode ^ tty->mode;
1.183 nicm 531: if (changed & MODE_BLINKING) {
532: if (tty_term_has(tty->term, TTYC_CVVIS))
533: tty_putcode(tty, TTYC_CVVIS);
534: else
535: tty_putcode(tty, TTYC_CNORM);
536: changed |= MODE_CURSOR;
537: }
538: if (changed & MODE_CURSOR) {
539: if (mode & MODE_CURSOR)
540: tty_putcode(tty, TTYC_CNORM);
541: else
1.1 nicm 542: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 543: }
1.181 nicm 544: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 545: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 546: if (s->cstyle == 0 &&
1.160 nicm 547: tty_term_has(tty->term, TTYC_SE))
548: tty_putcode(tty, TTYC_SE);
1.108 nicm 549: else
1.160 nicm 550: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 551: }
552: tty->cstyle = s->cstyle;
1.1 nicm 553: }
1.195 nicm 554: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 555: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 556: /*
557: * Enable the SGR (1006) extension unconditionally, as
1.221 nicm 558: * it is safe from misinterpretation.
1.153 nicm 559: */
560: tty_puts(tty, "\033[?1006h");
1.225 nicm 561: if (mode & MODE_MOUSE_ALL)
562: tty_puts(tty, "\033[?1003h");
563: else if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 564: tty_puts(tty, "\033[?1002h");
1.98 nicm 565: else if (mode & MODE_MOUSE_STANDARD)
566: tty_puts(tty, "\033[?1000h");
1.86 nicm 567: } else {
1.225 nicm 568: if (tty->mode & MODE_MOUSE_ALL)
569: tty_puts(tty, "\033[?1003l");
570: else if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 571: tty_puts(tty, "\033[?1002l");
1.98 nicm 572: else if (tty->mode & MODE_MOUSE_STANDARD)
573: tty_puts(tty, "\033[?1000l");
1.153 nicm 574: tty_puts(tty, "\033[?1006l");
1.86 nicm 575: }
1.76 nicm 576: }
577: if (changed & MODE_KKEYPAD) {
578: if (mode & MODE_KKEYPAD)
579: tty_putcode(tty, TTYC_SMKX);
580: else
581: tty_putcode(tty, TTYC_RMKX);
1.115 nicm 582: }
583: if (changed & MODE_BRACKETPASTE) {
584: if (mode & MODE_BRACKETPASTE)
585: tty_puts(tty, "\033[?2004h");
586: else
587: tty_puts(tty, "\033[?2004l");
1.1 nicm 588: }
589: tty->mode = mode;
590: }
591:
1.207 nicm 592: static void
1.168 nicm 593: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
594: enum tty_code_code code1, u_int n)
1.1 nicm 595: {
596: if (tty_term_has(tty->term, code))
597: tty_putcode1(tty, code, n);
598: else {
599: while (n-- > 0)
600: tty_putcode(tty, code1);
601: }
602: }
603:
1.207 nicm 604: static void
1.133 nicm 605: tty_repeat_space(struct tty *tty, u_int n)
606: {
607: while (n-- > 0)
608: tty_putc(tty, ' ');
609: }
610:
1.1 nicm 611: /*
1.119 nicm 612: * Is the region large enough to be worth redrawing once later rather than
613: * probably several times now? Currently yes if it is more than 50% of the
614: * pane.
615: */
1.207 nicm 616: static int
1.194 nicm 617: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 618: {
619: struct window_pane *wp = ctx->wp;
620:
621: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
622: }
623:
624: /*
1.176 nicm 625: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
626: * emulated.
627: */
1.207 nicm 628: static int
1.210 nicm 629: tty_fake_bce(const struct tty *tty, const struct window_pane *wp, u_int bg)
1.176 nicm 630: {
631: struct grid_cell gc;
632:
1.210 nicm 633: if (tty_term_flag(tty->term, TTYC_BCE))
634: return (0);
635:
1.176 nicm 636: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 637: if (wp != NULL)
638: tty_default_colours(&gc, wp);
1.176 nicm 639:
1.210 nicm 640: if (bg != 8 || gc.bg != 8)
641: return (1);
642: return (0);
1.176 nicm 643: }
644:
645: /*
1.1 nicm 646: * Redraw scroll region using data from screen (already updated). Used when
647: * CSR not supported, or window is a pane that doesn't take up the full
648: * width of the terminal.
649: */
1.207 nicm 650: static void
1.24 nicm 651: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 652: {
1.14 nicm 653: struct window_pane *wp = ctx->wp;
654: struct screen *s = wp->screen;
1.204 nicm 655: u_int i;
1.1 nicm 656:
657: /*
1.119 nicm 658: * If region is large, schedule a window redraw. In most cases this is
659: * likely to be followed by some more scrolling.
1.1 nicm 660: */
1.119 nicm 661: if (tty_large_region(tty, ctx)) {
1.1 nicm 662: wp->flags |= PANE_REDRAW;
663: return;
664: }
665:
1.14 nicm 666: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
667: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176 nicm 668: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 669: } else {
1.14 nicm 670: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176 nicm 671: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 672: }
673: }
674:
675: void
1.176 nicm 676: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
677: u_int oy)
678: {
679: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
680: }
681:
682: void
683: tty_draw_line(struct tty *tty, const struct window_pane *wp,
684: struct screen *s, u_int py, u_int ox, u_int oy)
1.1 nicm 685: {
1.209 nicm 686: struct grid_cell gc, tmp_gc;
1.46 nicm 687: struct grid_line *gl;
1.1 nicm 688: u_int i, sx;
1.181 nicm 689: int flags;
1.1 nicm 690:
1.181 nicm 691: flags = tty->flags & TTY_NOCURSOR;
692: tty->flags |= TTY_NOCURSOR;
693: tty_update_mode(tty, tty->mode, s);
1.35 nicm 694:
1.214 nicm 695: tty_region_off(tty);
696: tty_margin_off(tty);
697:
1.1 nicm 698: sx = screen_size_x(s);
1.19 nicm 699: if (sx > s->grid->linedata[s->grid->hsize + py].cellsize)
700: sx = s->grid->linedata[s->grid->hsize + py].cellsize;
1.1 nicm 701: if (sx > tty->sx)
702: sx = tty->sx;
703:
1.46 nicm 704: /*
1.174 nicm 705: * Don't move the cursor to the start position if it will wrap there
1.50 nicm 706: * itself.
1.46 nicm 707: */
708: gl = NULL;
709: if (py != 0)
710: gl = &s->grid->linedata[s->grid->hsize + py - 1];
1.83 nicm 711: if (oy + py == 0 || gl == NULL || !(gl->flags & GRID_LINE_WRAPPED) ||
1.47 nicm 712: tty->cx < tty->sx || ox != 0 ||
713: (oy + py != tty->cy + 1 && tty->cy != s->rlower + oy))
1.46 nicm 714: tty_cursor(tty, ox, oy + py);
715:
1.1 nicm 716: for (i = 0; i < sx; i++) {
1.193 nicm 717: grid_view_get_cell(s->grid, i, py, &gc);
1.209 nicm 718: if (gc.flags & GRID_FLAG_SELECTED) {
719: screen_select_cell(s, &tmp_gc, &gc);
720: tty_cell(tty, &tmp_gc, wp);
721: } else
722: tty_cell(tty, &gc, wp);
1.1 nicm 723: }
724:
1.181 nicm 725: if (sx < tty->sx) {
1.210 nicm 726: tty_default_attributes(tty, wp, 8);
1.181 nicm 727:
728: tty_cursor(tty, ox + sx, oy + py);
729: if (sx != screen_size_x(s) &&
730: ox + screen_size_x(s) >= tty->sx &&
731: tty_term_has(tty->term, TTYC_EL) &&
1.210 nicm 732: !tty_fake_bce(tty, wp, 8))
1.181 nicm 733: tty_putcode(tty, TTYC_EL);
734: else
735: tty_repeat_space(tty, screen_size_x(s) - sx);
1.35 nicm 736: }
1.1 nicm 737:
1.181 nicm 738: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 739: tty_update_mode(tty, tty->mode, s);
1.15 nicm 740: }
741:
1.201 nicm 742: static int
1.182 nicm 743: tty_client_ready(struct client *c, struct window_pane *wp)
744: {
745: if (c->session == NULL || c->tty.term == NULL)
746: return (0);
747: if (c->flags & CLIENT_SUSPENDED)
748: return (0);
749: if (c->tty.flags & TTY_FREEZE)
750: return (0);
751: if (c->session->curw->window != wp->window)
752: return (0);
753: return (1);
754: }
755:
1.15 nicm 756: void
1.182 nicm 757: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
758: struct tty_ctx *ctx)
1.15 nicm 759: {
760: struct window_pane *wp = ctx->wp;
761: struct client *c;
762:
1.75 nicm 763: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 764: if (wp == NULL)
765: return;
766:
767: if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
768: return;
1.129 nicm 769: if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
1.15 nicm 770: return;
771:
1.178 nicm 772: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 773: if (!tty_client_ready(c, wp))
1.15 nicm 774: continue;
775:
1.139 nicm 776: ctx->xoff = wp->xoff;
777: ctx->yoff = wp->yoff;
778: if (status_at_line(c) == 0)
779: ctx->yoff++;
1.113 nicm 780:
1.139 nicm 781: cmdfn(&c->tty, ctx);
1.1 nicm 782: }
783: }
784:
785: void
1.24 nicm 786: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 787: {
1.77 nicm 788: struct window_pane *wp = ctx->wp;
1.1 nicm 789:
1.210 nicm 790: if (!tty_pane_full_width(tty, ctx) ||
791: tty_fake_bce(tty, wp, ctx->bg) ||
792: (!tty_term_has(tty->term, TTYC_ICH) &&
793: !tty_term_has(tty->term, TTYC_ICH1))) {
1.176 nicm 794: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 795: return;
796: }
797:
1.210 nicm 798: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 799:
1.77 nicm 800: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 801:
1.206 nicm 802: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 803: }
804:
805: void
1.24 nicm 806: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 807: {
1.77 nicm 808: struct window_pane *wp = ctx->wp;
1.1 nicm 809:
1.210 nicm 810: if (!tty_pane_full_width(tty, ctx) ||
811: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 812: (!tty_term_has(tty->term, TTYC_DCH) &&
813: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 814: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 815: return;
816: }
817:
1.210 nicm 818: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 819:
1.77 nicm 820: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 821:
1.206 nicm 822: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 823: }
824:
825: void
826: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
827: {
828: u_int i;
829:
1.176 nicm 830: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.146 nicm 831:
832: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
833:
1.210 nicm 834: if (tty_term_has(tty->term, TTYC_ECH) &&
835: !tty_fake_bce(tty, ctx->wp, ctx->bg))
1.146 nicm 836: tty_putcode1(tty, TTYC_ECH, ctx->num);
837: else {
838: for (i = 0; i < ctx->num; i++)
839: tty_putc(tty, ' ');
840: }
1.1 nicm 841: }
842:
843: void
1.24 nicm 844: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 845: {
1.210 nicm 846: if (!tty_pane_full_width(tty, ctx) ||
847: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 848: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 849: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 850: tty_redraw_region(tty, ctx);
1.1 nicm 851: return;
852: }
853:
1.210 nicm 854: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 855:
1.77 nicm 856: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 857: tty_margin_off(tty);
1.77 nicm 858: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 859:
1.12 nicm 860: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.1 nicm 861: }
862:
863: void
1.24 nicm 864: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 865: {
1.210 nicm 866: if (!tty_pane_full_width(tty, ctx) ||
867: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 868: !tty_term_has(tty->term, TTYC_CSR) ||
869: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 870: tty_redraw_region(tty, ctx);
1.1 nicm 871: return;
872: }
873:
1.210 nicm 874: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 875:
1.77 nicm 876: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 877: tty_margin_off(tty);
1.77 nicm 878: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 879:
1.12 nicm 880: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.1 nicm 881: }
882:
883: void
1.24 nicm 884: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 885: {
1.77 nicm 886: struct window_pane *wp = ctx->wp;
1.12 nicm 887: struct screen *s = wp->screen;
1.229 nicm 888: u_int sx = screen_size_x(s);
1.1 nicm 889:
1.210 nicm 890: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 891:
1.77 nicm 892: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.41 nicm 893:
1.210 nicm 894: if (tty_pane_full_width(tty, ctx) &&
895: !tty_fake_bce(tty, wp, ctx->bg) &&
1.176 nicm 896: tty_term_has(tty->term, TTYC_EL))
1.1 nicm 897: tty_putcode(tty, TTYC_EL);
1.133 nicm 898: else
1.229 nicm 899: tty_repeat_space(tty, sx);
1.1 nicm 900: }
901:
902: void
1.24 nicm 903: tty_cmd_clearendofline(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:
1.41 nicm 911: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
912:
1.176 nicm 913: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 914: tty_term_has(tty->term, TTYC_EL) &&
915: !tty_fake_bce(tty, wp, ctx->bg))
1.1 nicm 916: tty_putcode(tty, TTYC_EL);
1.133 nicm 917: else
1.229 nicm 918: tty_repeat_space(tty, sx - ctx->ocx);
1.1 nicm 919: }
920:
921: void
1.24 nicm 922: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 923: {
1.210 nicm 924: struct window_pane *wp = ctx->wp;
925:
926: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 927:
1.210 nicm 928: if (ctx->xoff == 0 &&
929: tty_term_has(tty->term, TTYC_EL1) &&
1.238 nicm 930: !tty_fake_bce(tty, ctx->wp, ctx->bg)) {
931: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 932: tty_putcode(tty, TTYC_EL1);
1.238 nicm 933: } else {
934: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 935: tty_repeat_space(tty, ctx->ocx + 1);
1.238 nicm 936: }
1.1 nicm 937: }
938:
939: void
1.24 nicm 940: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 941: {
1.56 nicm 942: if (ctx->ocy != ctx->orupper)
943: return;
944:
1.210 nicm 945: if (!tty_pane_full_width(tty, ctx) ||
946: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.70 nicm 947: !tty_term_has(tty->term, TTYC_CSR) ||
948: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 949: tty_redraw_region(tty, ctx);
1.1 nicm 950: return;
951: }
952:
1.176 nicm 953: tty_attributes(tty, &grid_default_cell, ctx->wp);
1.77 nicm 954:
1.56 nicm 955: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 956: tty_margin_off(tty);
1.56 nicm 957: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 958:
1.56 nicm 959: tty_putcode(tty, TTYC_RI);
1.1 nicm 960: }
961:
962: void
1.24 nicm 963: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 964: {
1.77 nicm 965: struct window_pane *wp = ctx->wp;
1.1 nicm 966:
1.56 nicm 967: if (ctx->ocy != ctx->orlower)
968: return;
969:
1.212 nicm 970: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.210 nicm 971: tty_fake_bce(tty, wp, ctx->bg) ||
1.1 nicm 972: !tty_term_has(tty->term, TTYC_CSR)) {
1.236 nicm 973: tty_redraw_region(tty, ctx);
1.1 nicm 974: return;
975: }
1.52 nicm 976:
1.176 nicm 977: tty_attributes(tty, &grid_default_cell, wp);
1.77 nicm 978:
1.56 nicm 979: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 980: tty_margin_pane(tty, ctx);
981:
982: /*
983: * If we want to wrap a pane, the cursor needs to be exactly on the
984: * right of the region. But if the pane isn't on the right, it may be
985: * off the edge - if so, move the cursor back to the right.
986: */
987: if (ctx->xoff + ctx->ocx > tty->rright)
1.216 nicm 988: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1.212 nicm 989: else
990: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 991:
1.56 nicm 992: tty_putc(tty, '\n');
1.240 nicm 993: }
994:
995: void
996: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
997: {
998: struct window_pane *wp = ctx->wp;
999: u_int i;
1000:
1001: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1002: tty_fake_bce(tty, wp, ctx->bg) ||
1003: !tty_term_has(tty->term, TTYC_CSR)) {
1004: tty_redraw_region(tty, ctx);
1005: return;
1006: }
1007:
1008: tty_attributes(tty, &grid_default_cell, wp);
1009:
1010: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1011: tty_margin_pane(tty, ctx);
1012:
1013: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.241 nicm 1014: tty_cursor(tty, tty->rright, tty->rlower);
1.240 nicm 1015: for (i = 0; i < ctx->num; i++)
1016: tty_putc(tty, '\n');
1017: } else
1018: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.1 nicm 1019: }
1020:
1021: void
1.24 nicm 1022: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1023: {
1.77 nicm 1024: struct window_pane *wp = ctx->wp;
1.12 nicm 1025: struct screen *s = wp->screen;
1.204 nicm 1026: u_int i, j;
1.229 nicm 1027: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.1 nicm 1028:
1.210 nicm 1029: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1030:
1.229 nicm 1031: tty_region_pane(tty, ctx, 0, sy - 1);
1.214 nicm 1032: tty_margin_off(tty);
1.39 nicm 1033:
1.176 nicm 1034: if (tty_pane_full_width(tty, ctx) &&
1.229 nicm 1035: status_at_line(tty->client) <= 0 &&
1036: tty_term_has(tty->term, TTYC_ED)) {
1037: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1038: tty_putcode(tty, TTYC_ED);
1039: } else if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1040: tty_term_has(tty->term, TTYC_EL) &&
1041: !tty_fake_bce(tty, wp, ctx->bg)) {
1.229 nicm 1042: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1043: tty_putcode(tty, TTYC_EL);
1.229 nicm 1044: if (ctx->ocy != sy - 1) {
1.41 nicm 1045: tty_cursor_pane(tty, ctx, 0, ctx->ocy + 1);
1.229 nicm 1046: for (i = ctx->ocy + 1; i < sy; i++) {
1.1 nicm 1047: tty_putcode(tty, TTYC_EL);
1.229 nicm 1048: if (i == sy - 1)
1.1 nicm 1049: continue;
1050: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1051: tty->cy++;
1052: }
1053: }
1054: } else {
1.229 nicm 1055: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1056: tty_repeat_space(tty, sx - ctx->ocx);
1057: for (j = ctx->ocy + 1; j < sy; j++) {
1.41 nicm 1058: tty_cursor_pane(tty, ctx, 0, j);
1.229 nicm 1059: tty_repeat_space(tty, sx);
1.1 nicm 1060: }
1061: }
1062: }
1063:
1064: void
1.24 nicm 1065: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1066: {
1.77 nicm 1067: struct window_pane *wp = ctx->wp;
1.12 nicm 1068: struct screen *s = wp->screen;
1.204 nicm 1069: u_int i, j;
1.229 nicm 1070: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.1 nicm 1071:
1.227 nicm 1072: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1073:
1.229 nicm 1074: tty_region_pane(tty, ctx, 0, sy - 1);
1.214 nicm 1075: tty_margin_off(tty);
1.39 nicm 1076:
1.230 nicm 1077: if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1078: tty_term_has(tty->term, TTYC_EL) &&
1079: !tty_fake_bce(tty, wp, ctx->bg)) {
1.229 nicm 1080: tty_cursor_pane(tty, ctx, 0, 0);
1.14 nicm 1081: for (i = 0; i < ctx->ocy; i++) {
1.1 nicm 1082: tty_putcode(tty, TTYC_EL);
1083: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1084: tty->cy++;
1085: }
1086: } else {
1.229 nicm 1087: tty_cursor_pane(tty, ctx, 0, 0);
1.14 nicm 1088: for (j = 0; j < ctx->ocy; j++) {
1.41 nicm 1089: tty_cursor_pane(tty, ctx, 0, j);
1.229 nicm 1090: tty_repeat_space(tty, sx);
1.1 nicm 1091: }
1092: }
1.229 nicm 1093: tty_cursor_pane(tty, ctx, 0, ctx->ocy);
1.133 nicm 1094: tty_repeat_space(tty, ctx->ocx + 1);
1.1 nicm 1095: }
1096:
1097: void
1.24 nicm 1098: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1099: {
1.77 nicm 1100: struct window_pane *wp = ctx->wp;
1.12 nicm 1101: struct screen *s = wp->screen;
1.204 nicm 1102: u_int i, j;
1.229 nicm 1103: u_int sx = screen_size_x(s), sy = screen_size_y(s);
1.1 nicm 1104:
1.210 nicm 1105: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1106:
1.229 nicm 1107: tty_region_pane(tty, ctx, 0, sy - 1);
1.214 nicm 1108: tty_margin_off(tty);
1.39 nicm 1109:
1.176 nicm 1110: if (tty_pane_full_width(tty, ctx) &&
1.229 nicm 1111: status_at_line(tty->client) <= 0 &&
1112: tty_term_has(tty->term, TTYC_ED)) {
1113: tty_cursor_pane(tty, ctx, 0, 0);
1114: tty_putcode(tty, TTYC_ED);
1.230 nicm 1115: } else if (tty_pane_full_width(tty, ctx) &&
1.210 nicm 1116: tty_term_has(tty->term, TTYC_EL) &&
1117: !tty_fake_bce(tty, wp, ctx->bg)) {
1.229 nicm 1118: tty_cursor_pane(tty, ctx, 0, 0);
1119: for (i = 0; i < sy; i++) {
1.1 nicm 1120: tty_putcode(tty, TTYC_EL);
1.229 nicm 1121: if (i != sy - 1) {
1.1 nicm 1122: tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1);
1123: tty->cy++;
1124: }
1125: }
1126: } else {
1.229 nicm 1127: tty_cursor_pane(tty, ctx, 0, 0);
1128: for (j = 0; j < sy; j++) {
1.41 nicm 1129: tty_cursor_pane(tty, ctx, 0, j);
1.229 nicm 1130: tty_repeat_space(tty, sx);
1.1 nicm 1131: }
1.4 nicm 1132: }
1133: }
1134:
1135: void
1.24 nicm 1136: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1137: {
1.12 nicm 1138: struct window_pane *wp = ctx->wp;
1139: struct screen *s = wp->screen;
1140: u_int i, j;
1.4 nicm 1141:
1.176 nicm 1142: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1143:
1.39 nicm 1144: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1145: tty_margin_off(tty);
1.4 nicm 1146:
1147: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1148: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1149: for (i = 0; i < screen_size_x(s); i++)
1150: tty_putc(tty, 'E');
1.1 nicm 1151: }
1152: }
1153:
1154: void
1.24 nicm 1155: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1156: {
1.222 nicm 1157: if (ctx->xoff + ctx->ocx > tty->sx - 1 && ctx->ocy == ctx->orlower) {
1158: if (tty_pane_full_width(tty, ctx))
1159: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1160: else
1161: tty_margin_off(tty);
1162: }
1.46 nicm 1163:
1.233 nicm 1164: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1165:
1.237 nicm 1166: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1167: }
1168:
1169: void
1170: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1171: {
1172: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1173:
1174: tty_attributes(tty, ctx->cell, ctx->wp);
1175: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1176: }
1177:
1178: void
1179: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1180: {
1181: char *buf;
1182: size_t off;
1183:
1184: if (!tty_term_has(tty->term, TTYC_MS))
1185: return;
1186:
1187: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1188: buf = xmalloc(off);
1189:
1190: b64_ntop(ctx->ptr, ctx->num, buf, off);
1191: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1192:
1.138 nicm 1193: free(buf);
1.100 nicm 1194: }
1195:
1196: void
1197: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1198: {
1199: u_int i;
1200: u_char *str = ctx->ptr;
1201:
1202: for (i = 0; i < ctx->num; i++)
1203: tty_putc(tty, str[i]);
1.242 ! nicm 1204: tty_invalidate(tty);
1.1 nicm 1205: }
1206:
1.207 nicm 1207: static void
1.176 nicm 1208: tty_cell(struct tty *tty, const struct grid_cell *gc,
1209: const struct window_pane *wp)
1.1 nicm 1210: {
1.193 nicm 1211: u_int i;
1.1 nicm 1212:
1213: /* Skip last character if terminal is stupid. */
1.211 nicm 1214: if ((tty->term->flags & TERM_EARLYWRAP) &&
1215: tty->cy == tty->sy - 1 &&
1216: tty->cx == tty->sx - 1)
1.1 nicm 1217: return;
1218:
1219: /* If this is a padding character, do nothing. */
1220: if (gc->flags & GRID_FLAG_PADDING)
1221: return;
1222:
1223: /* Set the attributes. */
1.176 nicm 1224: tty_attributes(tty, gc, wp);
1.1 nicm 1225:
1.147 nicm 1226: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.193 nicm 1227: if (gc->data.size == 1) {
1228: if (*gc->data.data < 0x20 || *gc->data.data == 0x7f)
1.1 nicm 1229: return;
1.193 nicm 1230: tty_putc(tty, *gc->data.data);
1.1 nicm 1231: return;
1232: }
1233:
1.147 nicm 1234: /* If not UTF-8, write _. */
1.1 nicm 1235: if (!(tty->flags & TTY_UTF8)) {
1.193 nicm 1236: for (i = 0; i < gc->data.width; i++)
1.1 nicm 1237: tty_putc(tty, '_');
1238: return;
1239: }
1240:
1.147 nicm 1241: /* Write the data. */
1.193 nicm 1242: tty_putn(tty, gc->data.data, gc->data.size, gc->data.width);
1.1 nicm 1243: }
1244:
1245: void
1246: tty_reset(struct tty *tty)
1247: {
1248: struct grid_cell *gc = &tty->cell;
1249:
1.228 nicm 1250: if (!grid_cells_equal(gc, &grid_default_cell)) {
1251: if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1252: tty_putcode(tty, TTYC_RMACS);
1253: tty_putcode(tty, TTYC_SGR0);
1254: memcpy(gc, &grid_default_cell, sizeof *gc);
1255: }
1.1 nicm 1256:
1.228 nicm 1257: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1258: tty->last_wp = -1;
1.242 ! nicm 1259: }
! 1260:
! 1261: static void
! 1262: tty_invalidate(struct tty *tty)
! 1263: {
! 1264: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
! 1265:
! 1266: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
! 1267: tty->last_wp = -1;
! 1268:
! 1269: tty->cx = tty->cy = UINT_MAX;
! 1270:
! 1271: tty->rupper = tty->rleft = UINT_MAX;
! 1272: tty->rlower = tty->rright = UINT_MAX;
! 1273:
! 1274: if (tty->flags & TTY_STARTED) {
! 1275: tty_putcode(tty, TTYC_SGR0);
! 1276:
! 1277: tty->mode = ALL_MODES;
! 1278: tty_update_mode(tty, MODE_CURSOR, NULL);
! 1279:
! 1280: tty_cursor(tty, 0, 0);
! 1281: tty_region_off(tty);
! 1282: tty_margin_off(tty);
! 1283: } else
! 1284: tty->mode = MODE_CURSOR;
1.1 nicm 1285: }
1286:
1.214 nicm 1287: /* Turn off margin. */
1288: void
1289: tty_region_off(struct tty *tty)
1290: {
1291: tty_region(tty, 0, tty->sy - 1);
1292: }
1293:
1.40 nicm 1294: /* Set region inside pane. */
1.208 nicm 1295: static void
1.196 nicm 1296: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1297: u_int rlower)
1.1 nicm 1298: {
1.113 nicm 1299: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1300: }
1301:
1.40 nicm 1302: /* Set region at absolute position. */
1.214 nicm 1303: static void
1.40 nicm 1304: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1305: {
1306: if (tty->rlower == rlower && tty->rupper == rupper)
1307: return;
1.1 nicm 1308: if (!tty_term_has(tty->term, TTYC_CSR))
1309: return;
1.39 nicm 1310:
1311: tty->rupper = rupper;
1312: tty->rlower = rlower;
1.55 nicm 1313:
1314: /*
1315: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1316: * 0,0 if it is beyond the last column (they do not reset their wrap
1317: * flag so further output causes a line feed). As a workaround, do an
1318: * explicit move to 0 first.
1319: */
1320: if (tty->cx >= tty->sx)
1321: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1322:
1.39 nicm 1323: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 1324: tty->cx = tty->cy = 0;
1.212 nicm 1325: }
1326:
1.214 nicm 1327: /* Turn off margin. */
1328: void
1329: tty_margin_off(struct tty *tty)
1330: {
1331: tty_margin(tty, 0, tty->sx - 1);
1332: }
1333:
1.212 nicm 1334: /* Set margin inside pane. */
1335: static void
1336: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
1337: {
1338: tty_margin(tty, ctx->xoff, ctx->xoff + ctx->wp->sx - 1);
1339: }
1340:
1341: /* Set margin at absolute position. */
1.214 nicm 1342: static void
1.212 nicm 1343: tty_margin(struct tty *tty, u_int rleft, u_int rright)
1344: {
1345: char s[64];
1346:
1347: if (!tty_use_margin(tty))
1348: return;
1349: if (tty->rleft == rleft && tty->rright == rright)
1350: return;
1351:
1.232 nicm 1352: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 1353:
1.212 nicm 1354: tty->rleft = rleft;
1355: tty->rright = rright;
1356:
1.232 nicm 1357: if (rleft == 0 && rright == tty->sx - 1)
1358: snprintf(s, sizeof s, "\033[s");
1359: else
1360: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 1361: tty_puts(tty, s);
1.231 nicm 1362: tty->cx = tty->cy = 0;
1.1 nicm 1363: }
1364:
1.42 nicm 1365: /* Move cursor inside pane. */
1.208 nicm 1366: static void
1.41 nicm 1367: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1368: {
1.113 nicm 1369: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1370: }
1371:
1.42 nicm 1372: /* Move cursor to absolute position. */
1.41 nicm 1373: void
1374: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1375: {
1.42 nicm 1376: struct tty_term *term = tty->term;
1377: u_int thisx, thisy;
1378: int change;
1.77 nicm 1379:
1.42 nicm 1380: if (cx > tty->sx - 1)
1381: cx = tty->sx - 1;
1382:
1383: thisx = tty->cx;
1384: thisy = tty->cy;
1385:
1386: /* No change. */
1387: if (cx == thisx && cy == thisy)
1388: return;
1389:
1.43 nicm 1390: /* Very end of the line, just use absolute movement. */
1391: if (thisx > tty->sx - 1)
1392: goto absolute;
1393:
1.42 nicm 1394: /* Move to home position (0, 0). */
1395: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1396: tty_putcode(tty, TTYC_HOME);
1397: goto out;
1398: }
1399:
1400: /* Zero on the next line. */
1.48 nicm 1401: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower) {
1.1 nicm 1402: tty_putc(tty, '\r');
1.42 nicm 1403: tty_putc(tty, '\n');
1404: goto out;
1405: }
1406:
1.45 nicm 1407: /* Moving column or row. */
1.42 nicm 1408: if (cy == thisy) {
1.45 nicm 1409: /*
1410: * Moving column only, row staying the same.
1411: */
1412:
1.42 nicm 1413: /* To left edge. */
1.202 nicm 1414: if (cx == 0) {
1.42 nicm 1415: tty_putc(tty, '\r');
1416: goto out;
1417: }
1418:
1419: /* One to the left. */
1420: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1421: tty_putcode(tty, TTYC_CUB1);
1422: goto out;
1423: }
1424:
1425: /* One to the right. */
1426: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1427: tty_putcode(tty, TTYC_CUF1);
1428: goto out;
1429: }
1430:
1431: /* Calculate difference. */
1432: change = thisx - cx; /* +ve left, -ve right */
1433:
1434: /*
1435: * Use HPA if change is larger than absolute, otherwise move
1436: * the cursor with CUB/CUF.
1437: */
1.87 nicm 1438: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1439: tty_putcode1(tty, TTYC_HPA, cx);
1440: goto out;
1441: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1.202 nicm 1442: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
1443: tty_putcode(tty, TTYC_CUB1);
1444: tty_putcode(tty, TTYC_CUB1);
1445: goto out;
1446: }
1.42 nicm 1447: tty_putcode1(tty, TTYC_CUB, change);
1448: goto out;
1449: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1450: tty_putcode1(tty, TTYC_CUF, -change);
1451: goto out;
1452: }
1.45 nicm 1453: } else if (cx == thisx) {
1454: /*
1455: * Moving row only, column staying the same.
1456: */
1.42 nicm 1457:
1458: /* One above. */
1.77 nicm 1459: if (thisy != tty->rupper &&
1.42 nicm 1460: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1461: tty_putcode(tty, TTYC_CUU1);
1462: goto out;
1463: }
1464:
1465: /* One below. */
1.49 nicm 1466: if (thisy != tty->rlower &&
1.42 nicm 1467: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1468: tty_putcode(tty, TTYC_CUD1);
1469: goto out;
1470: }
1471:
1472: /* Calculate difference. */
1473: change = thisy - cy; /* +ve up, -ve down */
1474:
1475: /*
1.77 nicm 1476: * Try to use VPA if change is larger than absolute or if this
1477: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1478: */
1.87 nicm 1479: if ((u_int) abs(change) > cy ||
1.42 nicm 1480: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1481: (change > 0 && cy - change < tty->rupper)) {
1482: if (tty_term_has(term, TTYC_VPA)) {
1483: tty_putcode1(tty, TTYC_VPA, cy);
1484: goto out;
1485: }
1.42 nicm 1486: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1487: tty_putcode1(tty, TTYC_CUU, change);
1488: goto out;
1489: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1490: tty_putcode1(tty, TTYC_CUD, -change);
1491: goto out;
1492: }
1493: }
1494:
1.43 nicm 1495: absolute:
1.42 nicm 1496: /* Absolute movement. */
1497: tty_putcode2(tty, TTYC_CUP, cy, cx);
1498:
1499: out:
1500: tty->cx = cx;
1501: tty->cy = cy;
1.1 nicm 1502: }
1503:
1504: void
1.176 nicm 1505: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1506: const struct window_pane *wp)
1.1 nicm 1507: {
1.63 nicm 1508: struct grid_cell *tc = &tty->cell, gc2;
1.85 nicm 1509: u_char changed;
1.61 nicm 1510:
1.228 nicm 1511: /* Ignore cell if it is the same as the last one. */
1512: if (wp != NULL &&
1513: (int)wp->id == tty->last_wp &&
1514: ~(wp->window->flags & WINDOW_STYLECHANGED) &&
1515: gc->attr == tty->last_cell.attr &&
1516: gc->fg == tty->last_cell.fg &&
1517: gc->bg == tty->last_cell.bg)
1518: return;
1519: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
1520: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
1521:
1522: /* Copy cell and update default colours. */
1.85 nicm 1523: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 1524: if (wp != NULL)
1525: tty_default_colours(&gc2, wp);
1.63 nicm 1526:
1.18 nicm 1527: /*
1528: * If no setab, try to use the reverse attribute as a best-effort for a
1529: * non-default background. This is a bit of a hack but it doesn't do
1530: * any serious harm and makes a couple of applications happier.
1531: */
1532: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1533: if (gc2.attr & GRID_ATTR_REVERSE) {
1534: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1535: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1536: } else {
1.85 nicm 1537: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1538: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1539: }
1540: }
1.1 nicm 1541:
1.85 nicm 1542: /* Fix up the colours if necessary. */
1.219 nicm 1543: tty_check_fg(tty, wp, &gc2);
1544: tty_check_bg(tty, wp, &gc2);
1.85 nicm 1545:
1.64 nicm 1546: /* If any bits are being cleared, reset everything. */
1.85 nicm 1547: if (tc->attr & ~gc2.attr)
1.64 nicm 1548: tty_reset(tty);
1549:
1550: /*
1551: * Set the colours. This may call tty_reset() (so it comes next) and
1552: * may add to (NOT remove) the desired attributes by changing new_attr.
1553: */
1.85 nicm 1554: tty_colours(tty, &gc2);
1.64 nicm 1555:
1.1 nicm 1556: /* Filter out attribute bits already set. */
1.85 nicm 1557: changed = gc2.attr & ~tc->attr;
1558: tc->attr = gc2.attr;
1.1 nicm 1559:
1560: /* Set the attributes. */
1561: if (changed & GRID_ATTR_BRIGHT)
1562: tty_putcode(tty, TTYC_BOLD);
1563: if (changed & GRID_ATTR_DIM)
1564: tty_putcode(tty, TTYC_DIM);
1.180 nicm 1565: if (changed & GRID_ATTR_ITALICS)
1566: tty_set_italics(tty);
1.1 nicm 1567: if (changed & GRID_ATTR_UNDERSCORE)
1568: tty_putcode(tty, TTYC_SMUL);
1569: if (changed & GRID_ATTR_BLINK)
1570: tty_putcode(tty, TTYC_BLINK);
1571: if (changed & GRID_ATTR_REVERSE) {
1572: if (tty_term_has(tty->term, TTYC_REV))
1573: tty_putcode(tty, TTYC_REV);
1574: else if (tty_term_has(tty->term, TTYC_SMSO))
1575: tty_putcode(tty, TTYC_SMSO);
1576: }
1577: if (changed & GRID_ATTR_HIDDEN)
1578: tty_putcode(tty, TTYC_INVIS);
1.90 nicm 1579: if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
1.1 nicm 1580: tty_putcode(tty, TTYC_SMACS);
1581: }
1582:
1.207 nicm 1583: static void
1.85 nicm 1584: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1585: {
1.61 nicm 1586: struct grid_cell *tc = &tty->cell;
1.204 nicm 1587: int have_ax;
1.61 nicm 1588:
1589: /* No changes? Nothing is necessary. */
1.204 nicm 1590: if (gc->fg == tc->fg && gc->bg == tc->bg)
1.63 nicm 1591: return;
1.1 nicm 1592:
1.61 nicm 1593: /*
1594: * Is either the default colour? This is handled specially because the
1595: * best solution might be to reset both colours to default, in which
1596: * case if only one is default need to fall onward to set the other
1597: * colour.
1598: */
1.204 nicm 1599: if (gc->fg == 8 || gc->bg == 8) {
1.61 nicm 1600: /*
1601: * If don't have AX but do have op, send sgr0 (op can't
1602: * actually be used because it is sometimes the same as sgr0
1603: * and sometimes isn't). This resets both colours to default.
1604: *
1605: * Otherwise, try to set the default colour only as needed.
1606: */
1.174 nicm 1607: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 1608: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1609: tty_reset(tty);
1610: else {
1.204 nicm 1611: if (gc->fg == 8 && tc->fg != 8) {
1.61 nicm 1612: if (have_ax)
1613: tty_puts(tty, "\033[39m");
1.204 nicm 1614: else if (tc->fg != 7)
1.61 nicm 1615: tty_putcode1(tty, TTYC_SETAF, 7);
1616: tc->fg = 8;
1617: }
1.204 nicm 1618: if (gc->bg == 8 && tc->bg != 8) {
1.77 nicm 1619: if (have_ax)
1.61 nicm 1620: tty_puts(tty, "\033[49m");
1.204 nicm 1621: else if (tc->bg != 0)
1.61 nicm 1622: tty_putcode1(tty, TTYC_SETAB, 0);
1623: tc->bg = 8;
1624: }
1625: }
1626: }
1.1 nicm 1627:
1.61 nicm 1628: /* Set the foreground colour. */
1.204 nicm 1629: if (gc->fg != 8 && gc->fg != tc->fg)
1.85 nicm 1630: tty_colours_fg(tty, gc);
1.1 nicm 1631:
1.61 nicm 1632: /*
1633: * Set the background colour. This must come after the foreground as
1634: * tty_colour_fg() can call tty_reset().
1635: */
1.204 nicm 1636: if (gc->bg != 8 && gc->bg != tc->bg)
1.73 nicm 1637: tty_colours_bg(tty, gc);
1.1 nicm 1638: }
1639:
1.219 nicm 1640: static void
1641: tty_check_fg(struct tty *tty, const struct window_pane *wp,
1642: struct grid_cell *gc)
1.85 nicm 1643: {
1.204 nicm 1644: u_char r, g, b;
1645: u_int colours;
1.223 nicm 1646: int c;
1.85 nicm 1647:
1.219 nicm 1648: /* Perform substitution if this pane has a palette */
1649: if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
1.223 nicm 1650: (c = window_pane_get_palette(wp, gc->fg)) != -1)
1651: gc->fg = c;
1.219 nicm 1652:
1.199 nicm 1653: /* Is this a 24-bit colour? */
1.204 nicm 1654: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 1655: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1656: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1657: colour_split_rgb(gc->fg, &r, &g, &b);
1658: gc->fg = colour_find_rgb(r, g, b);
1659: } else
1.200 nicm 1660: return;
1.199 nicm 1661: }
1.224 nicm 1662:
1663: /* How many colours does this terminal have? */
1664: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1665: colours = 256;
1666: else
1667: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1668:
1.85 nicm 1669: /* Is this a 256-colour colour? */
1.204 nicm 1670: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 1671: /* And not a 256 colour mode? */
1.224 nicm 1672: if (colours != 256) {
1.85 nicm 1673: gc->fg = colour_256to16(gc->fg);
1674: if (gc->fg & 8) {
1675: gc->fg &= 7;
1.175 nicm 1676: if (colours >= 16)
1677: gc->fg += 90;
1678: else
1679: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1680: } else
1681: gc->attr &= ~GRID_ATTR_BRIGHT;
1682: }
1683: return;
1684: }
1685:
1686: /* Is this an aixterm colour? */
1687: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1688: gc->fg -= 90;
1689: gc->attr |= GRID_ATTR_BRIGHT;
1690: }
1691: }
1692:
1.219 nicm 1693: static void
1694: tty_check_bg(struct tty *tty, const struct window_pane *wp,
1695: struct grid_cell *gc)
1.85 nicm 1696: {
1.204 nicm 1697: u_char r, g, b;
1698: u_int colours;
1.223 nicm 1699: int c;
1.85 nicm 1700:
1.219 nicm 1701: /* Perform substitution if this pane has a palette */
1702: if ((~gc->flags & GRID_FLAG_NOPALETTE) &&
1.223 nicm 1703: (c = window_pane_get_palette(wp, gc->bg)) != -1)
1704: gc->bg = c;
1.219 nicm 1705:
1.199 nicm 1706: /* Is this a 24-bit colour? */
1.204 nicm 1707: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 1708: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1709: if (!tty_term_flag(tty->term, TTYC_TC)) {
1.204 nicm 1710: colour_split_rgb(gc->bg, &r, &g, &b);
1711: gc->bg = colour_find_rgb(r, g, b);
1712: } else
1.200 nicm 1713: return;
1.199 nicm 1714: }
1.224 nicm 1715:
1716: /* How many colours does this terminal have? */
1717: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1718: colours = 256;
1719: else
1720: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1721:
1.85 nicm 1722: /* Is this a 256-colour colour? */
1.204 nicm 1723: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 1724: /*
1725: * And not a 256 colour mode? Translate to 16-colour
1726: * palette. Bold background doesn't exist portably, so just
1727: * discard the bold bit if set.
1728: */
1.224 nicm 1729: if (colours != 256) {
1.85 nicm 1730: gc->bg = colour_256to16(gc->bg);
1.175 nicm 1731: if (gc->bg & 8) {
1.85 nicm 1732: gc->bg &= 7;
1.175 nicm 1733: if (colours >= 16)
1734: gc->fg += 90;
1735: }
1.85 nicm 1736: }
1737: return;
1738: }
1739:
1740: /* Is this an aixterm colour? */
1.175 nicm 1741: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 1742: gc->bg -= 90;
1743: }
1744:
1.207 nicm 1745: static void
1.85 nicm 1746: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1747: {
1.61 nicm 1748: struct grid_cell *tc = &tty->cell;
1.79 nicm 1749: char s[32];
1.1 nicm 1750:
1.204 nicm 1751: /* Is this a 24-bit or 256-colour colour? */
1752: if (gc->fg & COLOUR_FLAG_RGB ||
1753: gc->fg & COLOUR_FLAG_256) {
1754: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 1755: goto save_fg;
1.199 nicm 1756: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 1757: return;
1.1 nicm 1758: }
1759:
1.79 nicm 1760: /* Is this an aixterm bright colour? */
1.204 nicm 1761: if (gc->fg >= 90 && gc->fg <= 97) {
1762: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
1.85 nicm 1763: tty_puts(tty, s);
1764: goto save_fg;
1.79 nicm 1765: }
1766:
1.61 nicm 1767: /* Otherwise set the foreground colour. */
1.204 nicm 1768: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 1769:
1.77 nicm 1770: save_fg:
1.61 nicm 1771: /* Save the new values in the terminal current cell. */
1.204 nicm 1772: tc->fg = gc->fg;
1.1 nicm 1773: }
1774:
1.207 nicm 1775: static void
1.73 nicm 1776: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1777: {
1.61 nicm 1778: struct grid_cell *tc = &tty->cell;
1.79 nicm 1779: char s[32];
1.1 nicm 1780:
1.204 nicm 1781: /* Is this a 24-bit or 256-colour colour? */
1782: if (gc->bg & COLOUR_FLAG_RGB ||
1783: gc->bg & COLOUR_FLAG_256) {
1784: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 1785: goto save_bg;
1.199 nicm 1786: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 1787: return;
1.79 nicm 1788: }
1789:
1790: /* Is this an aixterm bright colour? */
1.204 nicm 1791: if (gc->bg >= 90 && gc->bg <= 97) {
1792: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
1.175 nicm 1793: tty_puts(tty, s);
1794: goto save_bg;
1.1 nicm 1795: }
1796:
1.61 nicm 1797: /* Otherwise set the background colour. */
1.204 nicm 1798: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 1799:
1800: save_bg:
1801: /* Save the new values in the terminal current cell. */
1.204 nicm 1802: tc->bg = gc->bg;
1.61 nicm 1803: }
1804:
1.207 nicm 1805: static int
1.204 nicm 1806: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 1807: {
1.204 nicm 1808: u_char r, g, b;
1.61 nicm 1809: char s[32];
1810:
1.204 nicm 1811: if (colour & COLOUR_FLAG_256) {
1812: /*
1813: * If the user has specified -2 to the client, setaf and setab
1814: * may not work (or they may not want to use them), so send the
1815: * usual sequence.
1816: */
1817: if (tty->term_flags & TERM_256COLOURS)
1818: goto fallback_256;
1.189 nicm 1819:
1.204 nicm 1820: /*
1821: * If the terminfo entry has 256 colours and setaf and setab
1822: * exist, assume that they work correctly.
1823: */
1824: if (tty->term->flags & TERM_256COLOURS) {
1825: if (*type == '3') {
1826: if (!tty_term_has(tty->term, TTYC_SETAF))
1827: goto fallback_256;
1828: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
1829: } else {
1830: if (!tty_term_has(tty->term, TTYC_SETAB))
1831: goto fallback_256;
1832: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
1833: }
1834: return (0);
1.188 nicm 1835: }
1.204 nicm 1836: goto fallback_256;
1837: }
1838:
1839: if (colour & COLOUR_FLAG_RGB) {
1840: if (!tty_term_flag(tty->term, TTYC_TC))
1841: return (-1);
1842:
1843: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1844: xsnprintf(s, sizeof s, "\033[%s;2;%hhu;%hhu;%hhum", type,
1845: r, g, b);
1846: tty_puts(tty, s);
1.165 nicm 1847: return (0);
1848: }
1.61 nicm 1849:
1.165 nicm 1850: return (-1);
1.188 nicm 1851:
1.204 nicm 1852: fallback_256:
1853: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.188 nicm 1854: tty_puts(tty, s);
1855: return (0);
1.176 nicm 1856: }
1857:
1.207 nicm 1858: static void
1.176 nicm 1859: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
1860: {
1.203 nicm 1861: struct window *w = wp->window;
1862: struct options *oo = w->options;
1863: const struct grid_cell *agc, *pgc, *wgc;
1.223 nicm 1864: int c;
1.203 nicm 1865:
1866: if (w->flags & WINDOW_STYLECHANGED) {
1867: w->flags &= ~WINDOW_STYLECHANGED;
1868: agc = options_get_style(oo, "window-active-style");
1869: memcpy(&w->active_style, agc, sizeof w->active_style);
1870: wgc = options_get_style(oo, "window-style");
1871: memcpy(&w->style, wgc, sizeof w->style);
1872: } else {
1873: agc = &w->active_style;
1874: wgc = &w->style;
1875: }
1.176 nicm 1876: pgc = &wp->colgc;
1877:
1.204 nicm 1878: if (gc->fg == 8) {
1879: if (pgc->fg != 8)
1.176 nicm 1880: gc->fg = pgc->fg;
1.204 nicm 1881: else if (wp == w->active && agc->fg != 8)
1.176 nicm 1882: gc->fg = agc->fg;
1.204 nicm 1883: else
1.176 nicm 1884: gc->fg = wgc->fg;
1.219 nicm 1885:
1.223 nicm 1886: if (gc->fg != 8 &&
1887: (c = window_pane_get_palette(wp, gc->fg)) != -1)
1888: gc->fg = c;
1.176 nicm 1889: }
1890:
1.204 nicm 1891: if (gc->bg == 8) {
1892: if (pgc->bg != 8)
1.176 nicm 1893: gc->bg = pgc->bg;
1.204 nicm 1894: else if (wp == w->active && agc->bg != 8)
1.176 nicm 1895: gc->bg = agc->bg;
1.204 nicm 1896: else
1.176 nicm 1897: gc->bg = wgc->bg;
1.219 nicm 1898:
1.223 nicm 1899: if (gc->bg != 8 &&
1900: (c = window_pane_get_palette(wp, gc->bg)) != -1)
1901: gc->bg = c;
1.176 nicm 1902: }
1.210 nicm 1903: }
1904:
1905: static void
1906: tty_default_attributes(struct tty *tty, const struct window_pane *wp, u_int bg)
1907: {
1908: static struct grid_cell gc;
1909:
1910: memcpy(&gc, &grid_default_cell, sizeof gc);
1911: gc.bg = bg;
1912: tty_attributes(tty, &gc, wp);
1.1 nicm 1913: }
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