Annotation of src/usr.bin/tmux/tty.c, Revision 1.297
1.297 ! nicm 1: /* $OpenBSD: tty.c,v 1.296 2017/10/16 19:30:53 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);
1.253 nicm 44: static void tty_cursor_pane_unless_wrap(struct tty *,
45: const struct tty_ctx *, u_int, u_int);
1.242 nicm 46: static void tty_invalidate(struct tty *);
1.207 nicm 47: static void tty_colours(struct tty *, const struct grid_cell *);
1.219 nicm 48: static void tty_check_fg(struct tty *, const struct window_pane *,
49: struct grid_cell *);
50: static void tty_check_bg(struct tty *, const struct window_pane *,
51: struct grid_cell *);
1.207 nicm 52: static void tty_colours_fg(struct tty *, const struct grid_cell *);
53: static void tty_colours_bg(struct tty *, const struct grid_cell *);
54:
1.208 nicm 55: static void tty_region_pane(struct tty *, const struct tty_ctx *, u_int,
56: u_int);
1.214 nicm 57: static void tty_region(struct tty *, u_int, u_int);
1.212 nicm 58: static void tty_margin_pane(struct tty *, const struct tty_ctx *);
1.214 nicm 59: static void tty_margin(struct tty *, u_int, u_int);
1.207 nicm 60: static int tty_large_region(struct tty *, const struct tty_ctx *);
1.210 nicm 61: static int tty_fake_bce(const struct tty *, const struct window_pane *,
62: u_int);
1.207 nicm 63: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
64: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
65: enum tty_code_code, u_int);
66: static void tty_repeat_space(struct tty *, u_int);
67: static void tty_cell(struct tty *, const struct grid_cell *,
68: const struct window_pane *);
69: static void tty_default_colours(struct grid_cell *,
70: const struct window_pane *);
1.210 nicm 71: static void tty_default_attributes(struct tty *, const struct window_pane *,
72: u_int);
1.1 nicm 73:
1.212 nicm 74: #define tty_use_margin(tty) \
1.265 nicm 75: ((tty)->term_type == TTY_VT420)
1.90 nicm 76:
1.264 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:
1.266 nicm 80: #define TTY_BLOCK_INTERVAL (100000 /* 100 milliseconds */)
81: #define TTY_BLOCK_START(tty) (1 + ((tty)->sx * (tty)->sy) * 8)
82: #define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
83:
1.192 nicm 84: void
85: tty_create_log(void)
86: {
87: char name[64];
88:
89: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
90:
91: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
92: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
93: fatal("fcntl failed");
94: }
95:
1.185 nicm 96: int
1.136 nicm 97: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 98: {
1.185 nicm 99: if (!isatty(fd))
100: return (-1);
101:
1.30 nicm 102: memset(tty, 0, sizeof *tty);
1.22 nicm 103:
1.9 nicm 104: if (term == NULL || *term == '\0')
1.220 nicm 105: tty->term_name = xstrdup("unknown");
1.1 nicm 106: else
1.220 nicm 107: tty->term_name = xstrdup(term);
1.258 nicm 108:
1.30 nicm 109: tty->fd = fd;
1.136 nicm 110: tty->client = c;
1.30 nicm 111:
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:
1.287 nicm 123: void
1.31 nicm 124: tty_resize(struct tty *tty)
125: {
1.258 nicm 126: struct client *c = tty->client;
127: struct winsize ws;
128: u_int sx, sy;
1.31 nicm 129:
130: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 131: sx = ws.ws_col;
132: if (sx == 0)
133: sx = 80;
134: sy = ws.ws_row;
135: if (sy == 0)
136: sy = 24;
137: } else {
138: sx = 80;
139: sy = 24;
1.31 nicm 140: }
1.258 nicm 141: log_debug("%s: %s now %ux%u", __func__, c->name, sx, sy);
1.287 nicm 142: tty_set_size(tty, sx, sy);
1.242 nicm 143: tty_invalidate(tty);
1.114 nicm 144: }
145:
1.287 nicm 146: void
1.212 nicm 147: tty_set_size(struct tty *tty, u_int sx, u_int sy)
148: {
1.114 nicm 149: tty->sx = sx;
150: tty->sy = sy;
1.1 nicm 151: }
152:
1.244 nicm 153: static void
154: tty_read_callback(__unused int fd, __unused short events, void *data)
155: {
156: struct tty *tty = data;
1.258 nicm 157: struct client *c = tty->client;
1.244 nicm 158: size_t size = EVBUFFER_LENGTH(tty->in);
159: int nread;
160:
161: nread = evbuffer_read(tty->in, tty->fd, -1);
1.295 nicm 162: if (nread == 0 || nread == -1) {
1.290 nicm 163: event_del(&tty->event_in);
1.295 nicm 164: server_client_lost(tty->client);
1.244 nicm 165: return;
1.290 nicm 166: }
1.258 nicm 167: log_debug("%s: read %d bytes (already %zu)", c->name, nread, size);
1.244 nicm 168:
169: while (tty_keys_next(tty))
170: ;
171: }
172:
173: static void
1.266 nicm 174: tty_timer_callback(__unused int fd, __unused short events, void *data)
175: {
176: struct tty *tty = data;
177: struct client *c = tty->client;
178: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
179:
180: log_debug("%s: %zu discarded", c->name, tty->discarded);
181:
182: c->flags |= CLIENT_REDRAW;
183: c->discarded += tty->discarded;
184:
185: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
186: tty->flags &= ~TTY_BLOCK;
187: tty_invalidate(tty);
188: return;
189: }
190: tty->discarded = 0;
191: evtimer_add(&tty->timer, &tv);
192: }
193:
194: static int
195: tty_block_maybe(struct tty *tty)
196: {
197: struct client *c = tty->client;
198: size_t size = EVBUFFER_LENGTH(tty->out);
199: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
200:
201: if (size < TTY_BLOCK_START(tty))
202: return (0);
203:
204: if (tty->flags & TTY_BLOCK)
205: return (1);
206: tty->flags |= TTY_BLOCK;
207:
208: log_debug("%s: can't keep up, %zu discarded", c->name, size);
209:
210: evbuffer_drain(tty->out, size);
211: c->discarded += size;
212:
213: tty->discarded = 0;
214: evtimer_add(&tty->timer, &tv);
215: return (1);
216: }
217:
218: static void
1.244 nicm 219: tty_write_callback(__unused int fd, __unused short events, void *data)
220: {
1.246 nicm 221: struct tty *tty = data;
1.258 nicm 222: struct client *c = tty->client;
1.246 nicm 223: size_t size = EVBUFFER_LENGTH(tty->out);
224: int nwrite;
1.244 nicm 225:
226: nwrite = evbuffer_write(tty->out, tty->fd);
227: if (nwrite == -1)
228: return;
1.258 nicm 229: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 230:
1.270 nicm 231: if (c->redraw > 0) {
232: if ((size_t)nwrite >= c->redraw)
233: c->redraw = 0;
234: else
235: c->redraw -= nwrite;
236: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
237: c->redraw);
238: } else if (tty_block_maybe(tty))
1.266 nicm 239: return;
240:
1.247 nicm 241: if (EVBUFFER_LENGTH(tty->out) != 0)
242: event_add(&tty->event_out, NULL);
1.244 nicm 243: }
244:
1.1 nicm 245: int
1.166 nicm 246: tty_open(struct tty *tty, char **cause)
1.1 nicm 247: {
1.220 nicm 248: tty->term = tty_term_find(tty->term_name, tty->fd, cause);
1.21 nicm 249: if (tty->term == NULL) {
250: tty_close(tty);
251: return (-1);
252: }
253: tty->flags |= TTY_OPENED;
1.1 nicm 254:
1.266 nicm 255: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 256:
257: event_set(&tty->event_in, tty->fd, EV_PERSIST|EV_READ,
258: tty_read_callback, tty);
259: tty->in = evbuffer_new();
1.1 nicm 260:
1.244 nicm 261: event_set(&tty->event_out, tty->fd, EV_WRITE, tty_write_callback, tty);
262: tty->out = evbuffer_new();
1.1 nicm 263:
1.266 nicm 264: evtimer_set(&tty->timer, tty_timer_callback, tty);
265:
1.1 nicm 266: tty_start_tty(tty);
267:
1.148 nicm 268: tty_keys_build(tty);
1.1 nicm 269:
270: return (0);
271: }
272:
1.244 nicm 273: void
274: tty_start_tty(struct tty *tty)
1.1 nicm 275: {
1.285 nicm 276: struct client *c = tty->client;
277: struct termios tio;
1.33 nicm 278:
1.244 nicm 279: if (tty->fd != -1 && tcgetattr(tty->fd, &tty->tio) == 0) {
280: setblocking(tty->fd, 0);
281: event_add(&tty->event_in, NULL);
282:
283: memcpy(&tio, &tty->tio, sizeof tio);
284: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
285: tio.c_iflag |= IGNBRK;
286: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
287: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
288: ECHOPRT|ECHOKE|ISIG);
289: tio.c_cc[VMIN] = 1;
290: tio.c_cc[VTIME] = 0;
291: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
292: tcflush(tty->fd, TCIOFLUSH);
293: }
1.1 nicm 294:
1.10 nicm 295: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 296:
1.252 nicm 297: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 298: tty_putcode(tty, TTYC_CLEAR);
299:
300: if (tty_acs_needed(tty)) {
301: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 302: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 303: } else
304: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 305:
306: tty_putcode(tty, TTYC_CNORM);
307: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 308: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.121 nicm 309:
1.189 nicm 310: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 311: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 312: tty->flags |= TTY_FOCUS;
313: tty_puts(tty, "\033[?1004h");
314: }
1.265 nicm 315: tty_puts(tty, "\033[c");
1.162 nicm 316: }
1.1 nicm 317:
1.20 nicm 318: tty->flags |= TTY_STARTED;
1.242 nicm 319: tty_invalidate(tty);
1.107 nicm 320:
321: tty_force_cursor_colour(tty, "");
1.177 nicm 322:
323: tty->mouse_drag_flag = 0;
324: tty->mouse_drag_update = NULL;
325: tty->mouse_drag_release = NULL;
1.128 nicm 326: }
327:
328: void
1.1 nicm 329: tty_stop_tty(struct tty *tty)
330: {
331: struct winsize ws;
332:
1.20 nicm 333: if (!(tty->flags & TTY_STARTED))
334: return;
335: tty->flags &= ~TTY_STARTED;
336:
1.266 nicm 337: event_del(&tty->timer);
338: tty->flags &= ~TTY_BLOCK;
339:
1.244 nicm 340: event_del(&tty->event_in);
341: event_del(&tty->event_out);
1.66 nicm 342:
1.1 nicm 343: /*
344: * Be flexible about error handling and try not kill the server just
345: * because the fd is invalid. Things like ssh -t can easily leave us
346: * with a dead tty.
347: */
348: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
349: return;
350: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
351: return;
352:
353: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 354: if (tty_acs_needed(tty))
1.90 nicm 355: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 356: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
357: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
358: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 359: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
360: if (tty_term_has(tty->term, TTYC_SE))
361: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 362: else
1.160 nicm 363: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 364: }
1.173 nicm 365: if (tty->mode & MODE_BRACKETPASTE)
366: tty_raw(tty, "\033[?2004l");
1.107 nicm 367: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 368:
369: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
370: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 371: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.151 nicm 372:
1.189 nicm 373: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 374: if (tty->flags & TTY_FOCUS) {
375: tty->flags &= ~TTY_FOCUS;
1.172 nicm 376: tty_raw(tty, "\033[?1004l");
1.162 nicm 377: }
378: }
1.10 nicm 379:
1.212 nicm 380: if (tty_use_margin(tty))
381: tty_raw(tty, "\033[?69l"); /* DECLRMM */
1.10 nicm 382: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 383:
384: setblocking(tty->fd, 1);
1.1 nicm 385: }
386:
387: void
1.20 nicm 388: tty_close(struct tty *tty)
1.1 nicm 389: {
1.123 nicm 390: if (event_initialized(&tty->key_timer))
391: evtimer_del(&tty->key_timer);
1.20 nicm 392: tty_stop_tty(tty);
1.1 nicm 393:
1.21 nicm 394: if (tty->flags & TTY_OPENED) {
1.244 nicm 395: evbuffer_free(tty->in);
396: event_del(&tty->event_in);
397: evbuffer_free(tty->out);
398: event_del(&tty->event_out);
1.66 nicm 399:
1.21 nicm 400: tty_term_free(tty->term);
401: tty_keys_free(tty);
402:
403: tty->flags &= ~TTY_OPENED;
404: }
1.1 nicm 405:
1.21 nicm 406: if (tty->fd != -1) {
407: close(tty->fd);
408: tty->fd = -1;
409: }
1.1 nicm 410: }
411:
412: void
1.20 nicm 413: tty_free(struct tty *tty)
1.1 nicm 414: {
1.20 nicm 415: tty_close(tty);
1.1 nicm 416:
1.138 nicm 417: free(tty->ccolour);
1.220 nicm 418: free(tty->term_name);
1.1 nicm 419: }
420:
421: void
1.212 nicm 422: tty_set_type(struct tty *tty, int type)
423: {
424: tty->term_type = type;
425:
426: if (tty_use_margin(tty))
427: tty_puts(tty, "\033[?69h"); /* DECLRMM */
428: }
429:
430: void
1.1 nicm 431: tty_raw(struct tty *tty, const char *s)
432: {
1.150 nicm 433: ssize_t n, slen;
434: u_int i;
435:
436: slen = strlen(s);
437: for (i = 0; i < 5; i++) {
438: n = write(tty->fd, s, slen);
439: if (n >= 0) {
440: s += n;
441: slen -= n;
442: if (slen == 0)
443: break;
444: } else if (n == -1 && errno != EAGAIN)
445: break;
446: usleep(100);
447: }
1.1 nicm 448: }
449:
450: void
451: tty_putcode(struct tty *tty, enum tty_code_code code)
452: {
453: tty_puts(tty, tty_term_string(tty->term, code));
454: }
455:
456: void
457: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
458: {
459: if (a < 0)
460: return;
461: tty_puts(tty, tty_term_string1(tty->term, code, a));
462: }
463:
464: void
465: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
466: {
467: if (a < 0 || b < 0)
468: return;
469: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
470: }
471:
472: void
1.286 nicm 473: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
474: {
475: if (a < 0 || b < 0 || c < 0)
476: return;
477: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
478: }
479:
480: void
1.107 nicm 481: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
482: {
483: if (a != NULL)
484: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
485: }
486:
487: void
1.167 nicm 488: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
489: const void *b)
1.106 nicm 490: {
491: if (a != NULL && b != NULL)
492: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
493: }
494:
1.243 nicm 495: static void
496: tty_add(struct tty *tty, const char *buf, size_t len)
497: {
1.258 nicm 498: struct client *c = tty->client;
499:
1.266 nicm 500: if (tty->flags & TTY_BLOCK) {
501: tty->discarded += len;
502: return;
503: }
504:
1.244 nicm 505: evbuffer_add(tty->out, buf, len);
1.270 nicm 506: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 507: c->written += len;
1.243 nicm 508:
509: if (tty_log_fd != -1)
510: write(tty_log_fd, buf, len);
1.244 nicm 511: if (tty->flags & TTY_STARTED)
512: event_add(&tty->event_out, NULL);
1.243 nicm 513: }
514:
1.106 nicm 515: void
1.1 nicm 516: tty_puts(struct tty *tty, const char *s)
517: {
1.243 nicm 518: if (*s != '\0')
519: tty_add(tty, s, strlen(s));
1.1 nicm 520: }
521:
522: void
523: tty_putc(struct tty *tty, u_char ch)
524: {
1.90 nicm 525: const char *acs;
1.1 nicm 526:
1.90 nicm 527: if (tty->cell.attr & GRID_ATTR_CHARSET) {
528: acs = tty_acs_get(tty, ch);
1.243 nicm 529: if (acs != NULL)
530: tty_add(tty, acs, strlen(acs));
531: else
532: tty_add(tty, &ch, 1);
533: } else
534: tty_add(tty, &ch, 1);
1.1 nicm 535:
536: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 537: if (tty->cx >= tty->sx) {
1.46 nicm 538: tty->cx = 1;
539: if (tty->cy != tty->rlower)
540: tty->cy++;
1.211 nicm 541:
542: /*
543: * On !xenl terminals, force the cursor position to
544: * where we think it should be after a line wrap - this
545: * means it works on sensible terminals as well.
546: */
547: if (tty->term->flags & TERM_EARLYWRAP)
548: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 549: } else
550: tty->cx++;
551: }
552: }
553:
554: void
1.147 nicm 555: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 556: {
1.243 nicm 557: tty_add(tty, buf, len);
1.268 nicm 558: if (tty->cx + width > tty->sx) {
559: tty->cx = (tty->cx + width) - tty->sx;
560: if (tty->cx <= tty->sx)
561: tty->cy++;
562: else
563: tty->cx = tty->cy = UINT_MAX;
564: } else
1.254 nicm 565: tty->cx += width;
1.5 nicm 566: }
567:
1.207 nicm 568: static void
1.180 nicm 569: tty_set_italics(struct tty *tty)
570: {
571: const char *s;
572:
573: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 574: s = options_get_string(global_options, "default-terminal");
1.180 nicm 575: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
576: tty_putcode(tty, TTYC_SITM);
577: return;
578: }
579: }
580: tty_putcode(tty, TTYC_SMSO);
581: }
582:
583: void
1.1 nicm 584: tty_set_title(struct tty *tty, const char *title)
585: {
1.105 nicm 586: if (!tty_term_has(tty->term, TTYC_TSL) ||
587: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 588: return;
589:
1.105 nicm 590: tty_putcode(tty, TTYC_TSL);
1.1 nicm 591: tty_puts(tty, title);
1.105 nicm 592: tty_putcode(tty, TTYC_FSL);
1.1 nicm 593: }
594:
1.208 nicm 595: static void
1.107 nicm 596: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
597: {
598: if (*ccolour == '\0')
599: tty_putcode(tty, TTYC_CR);
600: else
1.160 nicm 601: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 602: free(tty->ccolour);
1.107 nicm 603: tty->ccolour = xstrdup(ccolour);
604: }
605:
606: void
607: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 608: {
609: int changed;
610:
1.197 nicm 611: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 612: tty_force_cursor_colour(tty, s->ccolour);
613:
1.1 nicm 614: if (tty->flags & TTY_NOCURSOR)
615: mode &= ~MODE_CURSOR;
616:
617: changed = mode ^ tty->mode;
1.183 nicm 618: if (changed & MODE_BLINKING) {
619: if (tty_term_has(tty->term, TTYC_CVVIS))
620: tty_putcode(tty, TTYC_CVVIS);
621: else
622: tty_putcode(tty, TTYC_CNORM);
623: changed |= MODE_CURSOR;
624: }
625: if (changed & MODE_CURSOR) {
626: if (mode & MODE_CURSOR)
627: tty_putcode(tty, TTYC_CNORM);
628: else
1.1 nicm 629: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 630: }
1.181 nicm 631: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 632: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 633: if (s->cstyle == 0 &&
1.160 nicm 634: tty_term_has(tty->term, TTYC_SE))
635: tty_putcode(tty, TTYC_SE);
1.108 nicm 636: else
1.160 nicm 637: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 638: }
639: tty->cstyle = s->cstyle;
1.1 nicm 640: }
1.195 nicm 641: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 642: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 643: /*
644: * Enable the SGR (1006) extension unconditionally, as
1.221 nicm 645: * it is safe from misinterpretation.
1.153 nicm 646: */
647: tty_puts(tty, "\033[?1006h");
1.225 nicm 648: if (mode & MODE_MOUSE_ALL)
649: tty_puts(tty, "\033[?1003h");
650: else if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 651: tty_puts(tty, "\033[?1002h");
1.98 nicm 652: else if (mode & MODE_MOUSE_STANDARD)
653: tty_puts(tty, "\033[?1000h");
1.86 nicm 654: } else {
1.225 nicm 655: if (tty->mode & MODE_MOUSE_ALL)
656: tty_puts(tty, "\033[?1003l");
657: else if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 658: tty_puts(tty, "\033[?1002l");
1.98 nicm 659: else if (tty->mode & MODE_MOUSE_STANDARD)
660: tty_puts(tty, "\033[?1000l");
1.153 nicm 661: tty_puts(tty, "\033[?1006l");
1.86 nicm 662: }
1.115 nicm 663: }
664: if (changed & MODE_BRACKETPASTE) {
665: if (mode & MODE_BRACKETPASTE)
666: tty_puts(tty, "\033[?2004h");
667: else
668: tty_puts(tty, "\033[?2004l");
1.1 nicm 669: }
670: tty->mode = mode;
671: }
672:
1.207 nicm 673: static void
1.168 nicm 674: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
675: enum tty_code_code code1, u_int n)
1.1 nicm 676: {
677: if (tty_term_has(tty->term, code))
678: tty_putcode1(tty, code, n);
679: else {
680: while (n-- > 0)
681: tty_putcode(tty, code1);
682: }
683: }
684:
1.207 nicm 685: static void
1.133 nicm 686: tty_repeat_space(struct tty *tty, u_int n)
687: {
1.257 nicm 688: static char s[500];
689:
690: if (*s != ' ')
691: memset(s, ' ', sizeof s);
692:
693: while (n > sizeof s) {
694: tty_putn(tty, s, sizeof s, sizeof s);
695: n -= sizeof s;
696: }
697: if (n != 0)
698: tty_putn(tty, s, n, n);
1.133 nicm 699: }
700:
1.1 nicm 701: /*
1.119 nicm 702: * Is the region large enough to be worth redrawing once later rather than
703: * probably several times now? Currently yes if it is more than 50% of the
704: * pane.
705: */
1.207 nicm 706: static int
1.194 nicm 707: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 708: {
709: struct window_pane *wp = ctx->wp;
710:
711: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
712: }
713:
714: /*
1.176 nicm 715: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
716: * emulated.
717: */
1.207 nicm 718: static int
1.210 nicm 719: tty_fake_bce(const struct tty *tty, const struct window_pane *wp, u_int bg)
1.176 nicm 720: {
721: struct grid_cell gc;
722:
1.210 nicm 723: if (tty_term_flag(tty->term, TTYC_BCE))
724: return (0);
725:
1.176 nicm 726: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 727: if (wp != NULL)
728: tty_default_colours(&gc, wp);
1.176 nicm 729:
1.210 nicm 730: if (bg != 8 || gc.bg != 8)
731: return (1);
732: return (0);
1.176 nicm 733: }
734:
735: /*
1.1 nicm 736: * Redraw scroll region using data from screen (already updated). Used when
737: * CSR not supported, or window is a pane that doesn't take up the full
738: * width of the terminal.
739: */
1.207 nicm 740: static void
1.24 nicm 741: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 742: {
1.14 nicm 743: struct window_pane *wp = ctx->wp;
744: struct screen *s = wp->screen;
1.204 nicm 745: u_int i;
1.1 nicm 746:
747: /*
1.119 nicm 748: * If region is large, schedule a window redraw. In most cases this is
749: * likely to be followed by some more scrolling.
1.1 nicm 750: */
1.119 nicm 751: if (tty_large_region(tty, ctx)) {
1.1 nicm 752: wp->flags |= PANE_REDRAW;
753: return;
754: }
755:
1.14 nicm 756: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
757: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.176 nicm 758: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 759: } else {
1.14 nicm 760: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.176 nicm 761: tty_draw_pane(tty, wp, i, ctx->xoff, ctx->yoff);
1.1 nicm 762: }
763: }
764:
1.271 nicm 765: static void
766: tty_clear_line(struct tty *tty, const struct window_pane *wp, u_int py,
767: u_int px, u_int nx, u_int bg)
768: {
769: log_debug("%s: %u at %u,%u", __func__, nx, px, py);
770:
771: /* Nothing to clear. */
772: if (nx == 0)
773: return;
774:
775: /* If genuine BCE is available, can try escape sequences. */
776: if (!tty_fake_bce(tty, wp, bg)) {
777: /* Off the end of the line, use EL if available. */
778: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
779: tty_cursor(tty, px, py);
780: tty_putcode(tty, TTYC_EL);
781: return;
782: }
783:
784: /* At the start of the line. Use EL1. */
785: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
786: tty_cursor(tty, px + nx - 1, py);
787: tty_putcode(tty, TTYC_EL1);
788: return;
789: }
790:
791: /* Section of line. Use ECH if possible. */
792: if (tty_term_has(tty->term, TTYC_ECH)) {
793: tty_cursor(tty, px, py);
794: tty_putcode1(tty, TTYC_ECH, nx);
795: return;
796: }
797: }
798:
799: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 800: tty_cursor(tty, px, py);
1.271 nicm 801: tty_repeat_space(tty, nx);
802: }
803:
804: static void
805: tty_clear_area(struct tty *tty, const struct window_pane *wp, u_int py,
806: u_int ny, u_int px, u_int nx, u_int bg)
807: {
808: u_int yy;
1.274 nicm 809: char tmp[64];
1.271 nicm 810:
811: log_debug("%s: %u,%u at %u,%u", __func__, nx, ny, px, py);
812:
813: /* Nothing to clear. */
814: if (nx == 0 || ny == 0)
815: return;
816:
817: /* If genuine BCE is available, can try escape sequences. */
818: if (!tty_fake_bce(tty, wp, bg)) {
1.276 nicm 819: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 820: if (px == 0 &&
821: px + nx >= tty->sx &&
822: py + ny >= tty->sy &&
823: tty_term_has(tty->term, TTYC_ED)) {
824: tty_cursor(tty, 0, py);
825: tty_putcode(tty, TTYC_ED);
1.274 nicm 826: return;
827: }
828:
829: /*
1.276 nicm 830: * On VT420 compatible terminals we can use DECFRA if the
831: * background colour isn't default (because it doesn't work
832: * after SGR 0).
1.274 nicm 833: */
834: if (tty->term_type == TTY_VT420 && bg != 8) {
835: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
836: py + 1, px + 1, py + ny, px + nx);
837: tty_puts(tty, tmp);
1.276 nicm 838: return;
839: }
840:
1.280 nicm 841: /* Full lines can be scrolled away to clear them. */
842: if (px == 0 &&
1.281 nicm 843: px + nx >= tty->sx &&
1.280 nicm 844: ny > 2 &&
845: tty_term_has(tty->term, TTYC_CSR) &&
846: tty_term_has(tty->term, TTYC_INDN)) {
847: tty_region(tty, py, py + ny - 1);
848: tty_margin_off(tty);
1.284 nicm 849: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 850: return;
851: }
852:
1.276 nicm 853: /*
854: * If margins are supported, can just scroll the area off to
855: * clear it.
856: */
1.277 nicm 857: if (nx > 2 &&
858: ny > 2 &&
1.280 nicm 859: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 860: tty_use_margin(tty) &&
861: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 862: tty_region(tty, py, py + ny - 1);
863: tty_margin(tty, px, px + nx - 1);
1.284 nicm 864: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 865: return;
866: }
867: }
868:
869: /* Couldn't use an escape sequence, loop over the lines. */
870: for (yy = py; yy < py + ny; yy++)
871: tty_clear_line(tty, wp, yy, px, nx, bg);
872: }
873:
1.1 nicm 874: void
1.176 nicm 875: tty_draw_pane(struct tty *tty, const struct window_pane *wp, u_int py, u_int ox,
876: u_int oy)
877: {
878: tty_draw_line(tty, wp, wp->screen, py, ox, oy);
879: }
880:
881: void
882: tty_draw_line(struct tty *tty, const struct window_pane *wp,
883: struct screen *s, u_int py, u_int ox, u_int oy)
1.1 nicm 884: {
1.297 ! nicm 885: struct grid *gd = s->grid;
1.250 nicm 886: struct grid_cell gc, last;
1.292 nicm 887: u_int i, j, ux, sx, nx, width;
1.259 nicm 888: int flags, cleared = 0;
1.250 nicm 889: char buf[512];
1.291 nicm 890: size_t len, old_len;
1.1 nicm 891:
1.259 nicm 892: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 893: tty->flags |= TTY_NOCURSOR;
894: tty_update_mode(tty, tty->mode, s);
1.35 nicm 895:
1.214 nicm 896: tty_region_off(tty);
897: tty_margin_off(tty);
898:
1.273 nicm 899: /*
900: * Clamp the width to cellsize - note this is not cellused, because
901: * there may be empty background cells after it (from BCE).
902: */
1.1 nicm 903: sx = screen_size_x(s);
1.297 ! nicm 904: if (sx > gd->linedata[gd->hsize + py].cellsize)
! 905: sx = gd->linedata[gd->hsize + py].cellsize;
1.1 nicm 906: if (sx > tty->sx)
907: sx = tty->sx;
1.292 nicm 908: ux = 0;
1.1 nicm 909:
1.268 nicm 910: if (wp == NULL ||
911: py == 0 ||
1.297 ! nicm 912: (~gd->linedata[gd->hsize + py - 1].flags & GRID_LINE_WRAPPED) ||
1.268 nicm 913: ox != 0 ||
914: tty->cx < tty->sx ||
915: screen_size_x(s) < tty->sx) {
916: if (screen_size_x(s) < tty->sx &&
917: ox == 0 &&
918: sx != screen_size_x(s) &&
919: tty_term_has(tty->term, TTYC_EL1) &&
920: !tty_fake_bce(tty, wp, 8)) {
921: tty_default_attributes(tty, wp, 8);
922: tty_cursor(tty, screen_size_x(s) - 1, oy + py);
923: tty_putcode(tty, TTYC_EL1);
924: cleared = 1;
925: }
926: if (sx != 0)
927: tty_cursor(tty, ox, oy + py);
928: } else
929: log_debug("%s: wrapped line %u", __func__, oy + py);
1.250 nicm 930:
931: memcpy(&last, &grid_default_cell, sizeof last);
932: len = 0;
933: width = 0;
1.46 nicm 934:
1.1 nicm 935: for (i = 0; i < sx; i++) {
1.297 ! nicm 936: grid_view_get_cell(gd, i, py, &gc);
1.250 nicm 937: if (len != 0 &&
1.251 nicm 938: (((~tty->flags & TTY_UTF8) &&
939: (gc.data.size != 1 ||
940: *gc.data.data >= 0x7f ||
941: gc.data.width != 1)) ||
942: (gc.attr & GRID_ATTR_CHARSET) ||
1.250 nicm 943: gc.flags != last.flags ||
944: gc.attr != last.attr ||
945: gc.fg != last.fg ||
946: gc.bg != last.bg ||
1.297 ! nicm 947: ux + width + gc.data.width >= screen_size_x(s) ||
1.250 nicm 948: (sizeof buf) - len < gc.data.size)) {
949: tty_attributes(tty, &last, wp);
950: tty_putn(tty, buf, len, width);
1.292 nicm 951: ux += width;
1.250 nicm 952:
953: len = 0;
954: width = 0;
955: }
956:
957: if (gc.flags & GRID_FLAG_SELECTED)
958: screen_select_cell(s, &last, &gc);
959: else
960: memcpy(&last, &gc, sizeof last);
1.297 ! nicm 961: if (ux + gc.data.width > screen_size_x(s))
! 962: for (j = 0; j < gc.data.width; j++) {
! 963: if (ux + j > screen_size_x(s))
! 964: break;
! 965: tty_putc(tty, ' ');
! 966: ux++;
! 967: }
! 968: else if (((~tty->flags & TTY_UTF8) &&
1.251 nicm 969: (gc.data.size != 1 ||
970: *gc.data.data >= 0x7f ||
971: gc.data.width != 1)) ||
972: (gc.attr & GRID_ATTR_CHARSET)) {
1.250 nicm 973: tty_attributes(tty, &last, wp);
1.251 nicm 974: if (~tty->flags & TTY_UTF8) {
975: for (j = 0; j < gc.data.width; j++)
976: tty_putc(tty, '_');
977: } else {
978: for (j = 0; j < gc.data.size; j++)
979: tty_putc(tty, gc.data.data[j]);
980: }
1.292 nicm 981: ux += gc.data.width;
1.250 nicm 982: } else {
983: memcpy(buf + len, gc.data.data, gc.data.size);
984: len += gc.data.size;
985: width += gc.data.width;
986: }
987: }
988: if (len != 0) {
1.291 nicm 989: if (grid_cells_equal(&last, &grid_default_cell)) {
990: old_len = len;
1.292 nicm 991: while (len > 0 && buf[len - 1] == ' ') {
1.291 nicm 992: len--;
1.292 nicm 993: width--;
994: }
1.291 nicm 995: log_debug("%s: trimmed %zu spaces", __func__,
996: old_len - len);
997: }
998: if (len != 0) {
999: tty_attributes(tty, &last, wp);
1000: tty_putn(tty, buf, len, width);
1.292 nicm 1001: ux += width;
1.291 nicm 1002: }
1.1 nicm 1003: }
1004:
1.297 ! nicm 1005: if (!cleared && ux < screen_size_x(s)) {
! 1006: nx = screen_size_x(s) - ux;
1.210 nicm 1007: tty_default_attributes(tty, wp, 8);
1.292 nicm 1008: tty_clear_line(tty, wp, oy + py, ox + ux, nx, 8);
1.35 nicm 1009: }
1.1 nicm 1010:
1.181 nicm 1011: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1012: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1013: }
1014:
1.201 nicm 1015: static int
1.182 nicm 1016: tty_client_ready(struct client *c, struct window_pane *wp)
1017: {
1018: if (c->session == NULL || c->tty.term == NULL)
1019: return (0);
1.244 nicm 1020: if (c->flags & (CLIENT_REDRAW|CLIENT_SUSPENDED))
1.182 nicm 1021: return (0);
1022: if (c->tty.flags & TTY_FREEZE)
1023: return (0);
1024: if (c->session->curw->window != wp->window)
1025: return (0);
1026: return (1);
1027: }
1028:
1.15 nicm 1029: void
1.182 nicm 1030: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1031: struct tty_ctx *ctx)
1.15 nicm 1032: {
1033: struct window_pane *wp = ctx->wp;
1034: struct client *c;
1035:
1.75 nicm 1036: /* wp can be NULL if updating the screen but not the terminal. */
1.15 nicm 1037: if (wp == NULL)
1038: return;
1039:
1.260 nicm 1040: if ((wp->flags & (PANE_REDRAW|PANE_DROP)) || !window_pane_visible(wp))
1.15 nicm 1041: return;
1042:
1.178 nicm 1043: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 1044: if (!tty_client_ready(c, wp))
1.15 nicm 1045: continue;
1046:
1.139 nicm 1047: ctx->xoff = wp->xoff;
1048: ctx->yoff = wp->yoff;
1049: if (status_at_line(c) == 0)
1.296 nicm 1050: ctx->yoff += status_line_size(c->session);
1.113 nicm 1051:
1.139 nicm 1052: cmdfn(&c->tty, ctx);
1.1 nicm 1053: }
1054: }
1055:
1056: void
1.24 nicm 1057: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1058: {
1.77 nicm 1059: struct window_pane *wp = ctx->wp;
1.1 nicm 1060:
1.210 nicm 1061: if (!tty_pane_full_width(tty, ctx) ||
1062: tty_fake_bce(tty, wp, ctx->bg) ||
1063: (!tty_term_has(tty->term, TTYC_ICH) &&
1064: !tty_term_has(tty->term, TTYC_ICH1))) {
1.176 nicm 1065: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 1066: return;
1067: }
1068:
1.210 nicm 1069: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1070:
1.77 nicm 1071: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1072:
1.206 nicm 1073: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1074: }
1075:
1076: void
1.24 nicm 1077: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1078: {
1.77 nicm 1079: struct window_pane *wp = ctx->wp;
1.1 nicm 1080:
1.210 nicm 1081: if (!tty_pane_full_width(tty, ctx) ||
1082: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 1083: (!tty_term_has(tty->term, TTYC_DCH) &&
1084: !tty_term_has(tty->term, TTYC_DCH1))) {
1.176 nicm 1085: tty_draw_pane(tty, wp, ctx->ocy, ctx->xoff, ctx->yoff);
1.1 nicm 1086: return;
1087: }
1088:
1.210 nicm 1089: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1090:
1.77 nicm 1091: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1092:
1.206 nicm 1093: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1094: }
1095:
1096: void
1097: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1098: {
1.275 nicm 1099: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.146 nicm 1100:
1101: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1102:
1.210 nicm 1103: if (tty_term_has(tty->term, TTYC_ECH) &&
1.262 nicm 1104: !tty_fake_bce(tty, ctx->wp, 8))
1.146 nicm 1105: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1106: else
1107: tty_repeat_space(tty, ctx->num);
1.1 nicm 1108: }
1109:
1110: void
1.24 nicm 1111: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1112: {
1.210 nicm 1113: if (!tty_pane_full_width(tty, ctx) ||
1114: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 1115: !tty_term_has(tty->term, TTYC_CSR) ||
1.72 nicm 1116: !tty_term_has(tty->term, TTYC_IL1)) {
1.14 nicm 1117: tty_redraw_region(tty, ctx);
1.1 nicm 1118: return;
1119: }
1120:
1.210 nicm 1121: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1122:
1.77 nicm 1123: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1124: tty_margin_off(tty);
1.77 nicm 1125: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1126:
1.12 nicm 1127: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1128: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1129: }
1130:
1131: void
1.24 nicm 1132: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1133: {
1.210 nicm 1134: if (!tty_pane_full_width(tty, ctx) ||
1135: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 1136: !tty_term_has(tty->term, TTYC_CSR) ||
1137: !tty_term_has(tty->term, TTYC_DL1)) {
1.14 nicm 1138: tty_redraw_region(tty, ctx);
1.1 nicm 1139: return;
1140: }
1141:
1.210 nicm 1142: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1143:
1.77 nicm 1144: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1145: tty_margin_off(tty);
1.77 nicm 1146: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1147:
1.12 nicm 1148: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1149: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1150: }
1151:
1152: void
1.24 nicm 1153: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1154: {
1.77 nicm 1155: struct window_pane *wp = ctx->wp;
1.271 nicm 1156: u_int nx, py = ctx->yoff + ctx->ocy;
1.1 nicm 1157:
1.210 nicm 1158: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1159:
1.271 nicm 1160: nx = screen_size_x(wp->screen);
1161: tty_clear_line(tty, wp, py, ctx->xoff, nx, ctx->bg);
1.1 nicm 1162: }
1163:
1164: void
1.24 nicm 1165: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1166: {
1.77 nicm 1167: struct window_pane *wp = ctx->wp;
1.271 nicm 1168: u_int nx, py = ctx->yoff + ctx->ocy;
1.1 nicm 1169:
1.210 nicm 1170: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1171:
1.271 nicm 1172: nx = screen_size_x(wp->screen) - ctx->ocx;
1173: tty_clear_line(tty, wp, py, ctx->xoff + ctx->ocx, nx, ctx->bg);
1.1 nicm 1174: }
1175:
1176: void
1.24 nicm 1177: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1178: {
1.210 nicm 1179: struct window_pane *wp = ctx->wp;
1.282 nicm 1180: u_int py = ctx->yoff + ctx->ocy;
1.210 nicm 1181:
1182: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1183:
1.271 nicm 1184: tty_clear_line(tty, wp, py, ctx->xoff, ctx->ocx + 1, ctx->bg);
1.1 nicm 1185: }
1186:
1187: void
1.24 nicm 1188: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1189: {
1.278 nicm 1190: struct window_pane *wp = ctx->wp;
1191:
1.56 nicm 1192: if (ctx->ocy != ctx->orupper)
1193: return;
1194:
1.210 nicm 1195: if (!tty_pane_full_width(tty, ctx) ||
1.278 nicm 1196: tty_fake_bce(tty, wp, 8) ||
1.70 nicm 1197: !tty_term_has(tty->term, TTYC_CSR) ||
1198: !tty_term_has(tty->term, TTYC_RI)) {
1.14 nicm 1199: tty_redraw_region(tty, ctx);
1.1 nicm 1200: return;
1201: }
1202:
1.278 nicm 1203: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1204:
1.56 nicm 1205: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1206: tty_margin_off(tty);
1.56 nicm 1207: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1208:
1.56 nicm 1209: tty_putcode(tty, TTYC_RI);
1.1 nicm 1210: }
1211:
1212: void
1.24 nicm 1213: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1214: {
1.77 nicm 1215: struct window_pane *wp = ctx->wp;
1.1 nicm 1216:
1.56 nicm 1217: if (ctx->ocy != ctx->orlower)
1218: return;
1219:
1.212 nicm 1220: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1221: tty_fake_bce(tty, wp, 8) ||
1.1 nicm 1222: !tty_term_has(tty->term, TTYC_CSR)) {
1.236 nicm 1223: tty_redraw_region(tty, ctx);
1.1 nicm 1224: return;
1225: }
1.52 nicm 1226:
1.278 nicm 1227: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1228:
1.56 nicm 1229: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1230: tty_margin_pane(tty, ctx);
1231:
1232: /*
1233: * If we want to wrap a pane, the cursor needs to be exactly on the
1234: * right of the region. But if the pane isn't on the right, it may be
1235: * off the edge - if so, move the cursor back to the right.
1236: */
1237: if (ctx->xoff + ctx->ocx > tty->rright)
1.216 nicm 1238: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1.212 nicm 1239: else
1240: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1241:
1.56 nicm 1242: tty_putc(tty, '\n');
1.240 nicm 1243: }
1244:
1245: void
1246: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1247: {
1248: struct window_pane *wp = ctx->wp;
1.284 nicm 1249: u_int i;
1.240 nicm 1250:
1251: if ((!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1252: tty_fake_bce(tty, wp, 8) ||
1.240 nicm 1253: !tty_term_has(tty->term, TTYC_CSR)) {
1254: tty_redraw_region(tty, ctx);
1255: return;
1256: }
1257:
1.278 nicm 1258: tty_default_attributes(tty, wp, ctx->bg);
1.240 nicm 1259:
1260: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1261: tty_margin_pane(tty, ctx);
1262:
1.284 nicm 1263: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.241 nicm 1264: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1265: for (i = 0; i < ctx->num; i++)
1.240 nicm 1266: tty_putc(tty, '\n');
1267: } else
1.284 nicm 1268: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.1 nicm 1269: }
1270:
1271: void
1.24 nicm 1272: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1273: {
1.77 nicm 1274: struct window_pane *wp = ctx->wp;
1.271 nicm 1275: u_int px, py, nx, ny;
1.1 nicm 1276:
1.210 nicm 1277: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1278:
1.271 nicm 1279: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1280: tty_margin_off(tty);
1.39 nicm 1281:
1.271 nicm 1282: px = ctx->xoff;
1283: nx = screen_size_x(wp->screen);
1284: py = ctx->yoff + ctx->ocy + 1;
1285: ny = screen_size_y(wp->screen) - ctx->ocy - 1;
1286:
1287: tty_clear_area(tty, wp, py, ny, px, nx, ctx->bg);
1288:
1289: px = ctx->xoff + ctx->ocx;
1290: nx = screen_size_x(wp->screen) - ctx->ocx;
1291: py = ctx->yoff + ctx->ocy;
1292:
1293: tty_clear_line(tty, wp, py, px, nx, ctx->bg);
1.1 nicm 1294: }
1295:
1296: void
1.24 nicm 1297: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1298: {
1.77 nicm 1299: struct window_pane *wp = ctx->wp;
1.271 nicm 1300: u_int px, py, nx, ny;
1.1 nicm 1301:
1.227 nicm 1302: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1303:
1.271 nicm 1304: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1305: tty_margin_off(tty);
1.39 nicm 1306:
1.271 nicm 1307: px = ctx->xoff;
1308: nx = screen_size_x(wp->screen);
1309: py = ctx->yoff;
1310: ny = ctx->ocy - 1;
1311:
1312: tty_clear_area(tty, wp, py, ny, px, nx, ctx->bg);
1313:
1314: px = ctx->xoff;
1315: nx = ctx->ocx + 1;
1316: py = ctx->yoff + ctx->ocy;
1317:
1318: tty_clear_line(tty, wp, py, px, nx, ctx->bg);
1.1 nicm 1319: }
1320:
1321: void
1.24 nicm 1322: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1323: {
1.77 nicm 1324: struct window_pane *wp = ctx->wp;
1.271 nicm 1325: u_int px, py, nx, ny;
1.1 nicm 1326:
1.210 nicm 1327: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1328:
1.271 nicm 1329: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1330: tty_margin_off(tty);
1.39 nicm 1331:
1.271 nicm 1332: px = ctx->xoff;
1333: nx = screen_size_x(wp->screen);
1334: py = ctx->yoff;
1335: ny = screen_size_y(wp->screen);
1336:
1337: tty_clear_area(tty, wp, py, ny, px, nx, ctx->bg);
1.4 nicm 1338: }
1339:
1340: void
1.24 nicm 1341: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1342: {
1.12 nicm 1343: struct window_pane *wp = ctx->wp;
1344: struct screen *s = wp->screen;
1345: u_int i, j;
1.4 nicm 1346:
1.176 nicm 1347: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1348:
1.39 nicm 1349: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1350: tty_margin_off(tty);
1.4 nicm 1351:
1352: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1353: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1354: for (i = 0; i < screen_size_x(s); i++)
1355: tty_putc(tty, 'E');
1.1 nicm 1356: }
1357: }
1358:
1359: void
1.24 nicm 1360: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1361: {
1.222 nicm 1362: if (ctx->xoff + ctx->ocx > tty->sx - 1 && ctx->ocy == ctx->orlower) {
1363: if (tty_pane_full_width(tty, ctx))
1364: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1365: else
1366: tty_margin_off(tty);
1367: }
1.46 nicm 1368:
1.253 nicm 1369: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1370:
1.237 nicm 1371: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1372: }
1373:
1374: void
1375: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1376: {
1.253 nicm 1377: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1378:
1379: tty_attributes(tty, ctx->cell, ctx->wp);
1380: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1381: }
1382:
1383: void
1384: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1385: {
1386: char *buf;
1387: size_t off;
1388:
1389: if (!tty_term_has(tty->term, TTYC_MS))
1390: return;
1391:
1392: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1393: buf = xmalloc(off);
1394:
1395: b64_ntop(ctx->ptr, ctx->num, buf, off);
1396: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1397:
1.138 nicm 1398: free(buf);
1.100 nicm 1399: }
1400:
1401: void
1402: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1403: {
1.256 nicm 1404: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1405: tty_invalidate(tty);
1.1 nicm 1406: }
1407:
1.207 nicm 1408: static void
1.176 nicm 1409: tty_cell(struct tty *tty, const struct grid_cell *gc,
1410: const struct window_pane *wp)
1.1 nicm 1411: {
1.193 nicm 1412: u_int i;
1.1 nicm 1413:
1414: /* Skip last character if terminal is stupid. */
1.211 nicm 1415: if ((tty->term->flags & TERM_EARLYWRAP) &&
1416: tty->cy == tty->sy - 1 &&
1417: tty->cx == tty->sx - 1)
1.1 nicm 1418: return;
1419:
1420: /* If this is a padding character, do nothing. */
1421: if (gc->flags & GRID_FLAG_PADDING)
1422: return;
1423:
1424: /* Set the attributes. */
1.176 nicm 1425: tty_attributes(tty, gc, wp);
1.1 nicm 1426:
1.147 nicm 1427: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.193 nicm 1428: if (gc->data.size == 1) {
1429: if (*gc->data.data < 0x20 || *gc->data.data == 0x7f)
1.1 nicm 1430: return;
1.193 nicm 1431: tty_putc(tty, *gc->data.data);
1.1 nicm 1432: return;
1433: }
1434:
1.147 nicm 1435: /* If not UTF-8, write _. */
1.1 nicm 1436: if (!(tty->flags & TTY_UTF8)) {
1.193 nicm 1437: for (i = 0; i < gc->data.width; i++)
1.1 nicm 1438: tty_putc(tty, '_');
1439: return;
1440: }
1441:
1.147 nicm 1442: /* Write the data. */
1.193 nicm 1443: tty_putn(tty, gc->data.data, gc->data.size, gc->data.width);
1.1 nicm 1444: }
1445:
1446: void
1447: tty_reset(struct tty *tty)
1448: {
1449: struct grid_cell *gc = &tty->cell;
1450:
1.228 nicm 1451: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 1452: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 1453: tty_putcode(tty, TTYC_RMACS);
1454: tty_putcode(tty, TTYC_SGR0);
1455: memcpy(gc, &grid_default_cell, sizeof *gc);
1456: }
1.1 nicm 1457:
1.228 nicm 1458: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1459: tty->last_wp = -1;
1.242 nicm 1460: }
1461:
1462: static void
1463: tty_invalidate(struct tty *tty)
1464: {
1465: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1466:
1467: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1468: tty->last_wp = -1;
1469:
1470: tty->cx = tty->cy = UINT_MAX;
1471:
1472: tty->rupper = tty->rleft = UINT_MAX;
1473: tty->rlower = tty->rright = UINT_MAX;
1474:
1475: if (tty->flags & TTY_STARTED) {
1476: tty_putcode(tty, TTYC_SGR0);
1477:
1478: tty->mode = ALL_MODES;
1479: tty_update_mode(tty, MODE_CURSOR, NULL);
1480:
1481: tty_cursor(tty, 0, 0);
1482: tty_region_off(tty);
1483: tty_margin_off(tty);
1484: } else
1485: tty->mode = MODE_CURSOR;
1.1 nicm 1486: }
1487:
1.214 nicm 1488: /* Turn off margin. */
1489: void
1490: tty_region_off(struct tty *tty)
1491: {
1492: tty_region(tty, 0, tty->sy - 1);
1493: }
1494:
1.40 nicm 1495: /* Set region inside pane. */
1.208 nicm 1496: static void
1.196 nicm 1497: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1498: u_int rlower)
1.1 nicm 1499: {
1.113 nicm 1500: tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
1.39 nicm 1501: }
1502:
1.40 nicm 1503: /* Set region at absolute position. */
1.214 nicm 1504: static void
1.40 nicm 1505: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1506: {
1507: if (tty->rlower == rlower && tty->rupper == rupper)
1508: return;
1.1 nicm 1509: if (!tty_term_has(tty->term, TTYC_CSR))
1510: return;
1.39 nicm 1511:
1512: tty->rupper = rupper;
1513: tty->rlower = rlower;
1.55 nicm 1514:
1515: /*
1516: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1517: * 0,0 if it is beyond the last column (they do not reset their wrap
1518: * flag so further output causes a line feed). As a workaround, do an
1519: * explicit move to 0 first.
1520: */
1521: if (tty->cx >= tty->sx)
1522: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1523:
1.39 nicm 1524: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 1525: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 1526: }
1527:
1.214 nicm 1528: /* Turn off margin. */
1529: void
1530: tty_margin_off(struct tty *tty)
1531: {
1532: tty_margin(tty, 0, tty->sx - 1);
1533: }
1534:
1.212 nicm 1535: /* Set margin inside pane. */
1536: static void
1537: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
1538: {
1539: tty_margin(tty, ctx->xoff, ctx->xoff + ctx->wp->sx - 1);
1540: }
1541:
1542: /* Set margin at absolute position. */
1.214 nicm 1543: static void
1.212 nicm 1544: tty_margin(struct tty *tty, u_int rleft, u_int rright)
1545: {
1546: char s[64];
1547:
1548: if (!tty_use_margin(tty))
1549: return;
1550: if (tty->rleft == rleft && tty->rright == rright)
1551: return;
1552:
1.232 nicm 1553: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 1554:
1.212 nicm 1555: tty->rleft = rleft;
1556: tty->rright = rright;
1557:
1.232 nicm 1558: if (rleft == 0 && rright == tty->sx - 1)
1559: snprintf(s, sizeof s, "\033[s");
1560: else
1561: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 1562: tty_puts(tty, s);
1.249 nicm 1563: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 1564: }
1565:
1566: /*
1567: * Move the cursor, unless it would wrap itself when the next character is
1568: * printed.
1569: */
1570: static void
1571: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
1572: u_int cx, u_int cy)
1573: {
1.268 nicm 1574: if (!ctx->wrapped ||
1575: !tty_pane_full_width(tty, ctx) ||
1.253 nicm 1576: (tty->term->flags & TERM_EARLYWRAP) ||
1577: ctx->xoff + cx != 0 ||
1578: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 1579: tty->cx < tty->sx ||
1580: tty->cy == tty->rlower)
1.253 nicm 1581: tty_cursor_pane(tty, ctx, cx, cy);
1582: else
1583: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 1584: }
1585:
1.42 nicm 1586: /* Move cursor inside pane. */
1.208 nicm 1587: static void
1.41 nicm 1588: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1589: {
1.113 nicm 1590: tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
1.41 nicm 1591: }
1592:
1.42 nicm 1593: /* Move cursor to absolute position. */
1.41 nicm 1594: void
1595: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1596: {
1.42 nicm 1597: struct tty_term *term = tty->term;
1598: u_int thisx, thisy;
1599: int change;
1.77 nicm 1600:
1.42 nicm 1601: if (cx > tty->sx - 1)
1602: cx = tty->sx - 1;
1603:
1604: thisx = tty->cx;
1605: thisy = tty->cy;
1606:
1607: /* No change. */
1608: if (cx == thisx && cy == thisy)
1609: return;
1610:
1.43 nicm 1611: /* Very end of the line, just use absolute movement. */
1612: if (thisx > tty->sx - 1)
1613: goto absolute;
1614:
1.42 nicm 1615: /* Move to home position (0, 0). */
1616: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1617: tty_putcode(tty, TTYC_HOME);
1618: goto out;
1619: }
1620:
1621: /* Zero on the next line. */
1.293 nicm 1622: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
1623: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 1624: tty_putc(tty, '\r');
1.42 nicm 1625: tty_putc(tty, '\n');
1626: goto out;
1627: }
1628:
1.45 nicm 1629: /* Moving column or row. */
1.42 nicm 1630: if (cy == thisy) {
1.45 nicm 1631: /*
1632: * Moving column only, row staying the same.
1633: */
1634:
1.42 nicm 1635: /* To left edge. */
1.294 nicm 1636: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 1637: tty_putc(tty, '\r');
1638: goto out;
1639: }
1640:
1641: /* One to the left. */
1642: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
1643: tty_putcode(tty, TTYC_CUB1);
1644: goto out;
1645: }
1646:
1647: /* One to the right. */
1648: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
1649: tty_putcode(tty, TTYC_CUF1);
1650: goto out;
1651: }
1652:
1653: /* Calculate difference. */
1654: change = thisx - cx; /* +ve left, -ve right */
1655:
1656: /*
1657: * Use HPA if change is larger than absolute, otherwise move
1658: * the cursor with CUB/CUF.
1659: */
1.87 nicm 1660: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 1661: tty_putcode1(tty, TTYC_HPA, cx);
1662: goto out;
1663: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1.202 nicm 1664: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
1665: tty_putcode(tty, TTYC_CUB1);
1666: tty_putcode(tty, TTYC_CUB1);
1667: goto out;
1668: }
1.42 nicm 1669: tty_putcode1(tty, TTYC_CUB, change);
1670: goto out;
1671: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
1672: tty_putcode1(tty, TTYC_CUF, -change);
1673: goto out;
1674: }
1.45 nicm 1675: } else if (cx == thisx) {
1676: /*
1677: * Moving row only, column staying the same.
1678: */
1.42 nicm 1679:
1680: /* One above. */
1.77 nicm 1681: if (thisy != tty->rupper &&
1.42 nicm 1682: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
1683: tty_putcode(tty, TTYC_CUU1);
1684: goto out;
1685: }
1686:
1687: /* One below. */
1.49 nicm 1688: if (thisy != tty->rlower &&
1.42 nicm 1689: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
1690: tty_putcode(tty, TTYC_CUD1);
1691: goto out;
1692: }
1693:
1694: /* Calculate difference. */
1695: change = thisy - cy; /* +ve up, -ve down */
1696:
1697: /*
1.77 nicm 1698: * Try to use VPA if change is larger than absolute or if this
1699: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 1700: */
1.87 nicm 1701: if ((u_int) abs(change) > cy ||
1.42 nicm 1702: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 1703: (change > 0 && cy - change < tty->rupper)) {
1704: if (tty_term_has(term, TTYC_VPA)) {
1705: tty_putcode1(tty, TTYC_VPA, cy);
1706: goto out;
1707: }
1.42 nicm 1708: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
1709: tty_putcode1(tty, TTYC_CUU, change);
1710: goto out;
1711: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
1712: tty_putcode1(tty, TTYC_CUD, -change);
1713: goto out;
1714: }
1715: }
1716:
1.43 nicm 1717: absolute:
1.42 nicm 1718: /* Absolute movement. */
1719: tty_putcode2(tty, TTYC_CUP, cy, cx);
1720:
1721: out:
1722: tty->cx = cx;
1723: tty->cy = cy;
1.1 nicm 1724: }
1725:
1726: void
1.176 nicm 1727: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1728: const struct window_pane *wp)
1.1 nicm 1729: {
1.63 nicm 1730: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 1731: int changed;
1.61 nicm 1732:
1.228 nicm 1733: /* Ignore cell if it is the same as the last one. */
1734: if (wp != NULL &&
1735: (int)wp->id == tty->last_wp &&
1736: ~(wp->window->flags & WINDOW_STYLECHANGED) &&
1737: gc->attr == tty->last_cell.attr &&
1738: gc->fg == tty->last_cell.fg &&
1739: gc->bg == tty->last_cell.bg)
1740: return;
1741: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
1742: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
1743:
1744: /* Copy cell and update default colours. */
1.85 nicm 1745: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 1746: if (wp != NULL)
1747: tty_default_colours(&gc2, wp);
1.63 nicm 1748:
1.18 nicm 1749: /*
1750: * If no setab, try to use the reverse attribute as a best-effort for a
1751: * non-default background. This is a bit of a hack but it doesn't do
1752: * any serious harm and makes a couple of applications happier.
1753: */
1754: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 1755: if (gc2.attr & GRID_ATTR_REVERSE) {
1756: if (gc2.fg != 7 && gc2.fg != 8)
1.64 nicm 1757: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 1758: } else {
1.85 nicm 1759: if (gc2.bg != 0 && gc2.bg != 8)
1.64 nicm 1760: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 1761: }
1762: }
1.1 nicm 1763:
1.85 nicm 1764: /* Fix up the colours if necessary. */
1.219 nicm 1765: tty_check_fg(tty, wp, &gc2);
1766: tty_check_bg(tty, wp, &gc2);
1.85 nicm 1767:
1.64 nicm 1768: /* If any bits are being cleared, reset everything. */
1.85 nicm 1769: if (tc->attr & ~gc2.attr)
1.64 nicm 1770: tty_reset(tty);
1771:
1772: /*
1773: * Set the colours. This may call tty_reset() (so it comes next) and
1774: * may add to (NOT remove) the desired attributes by changing new_attr.
1775: */
1.85 nicm 1776: tty_colours(tty, &gc2);
1.64 nicm 1777:
1.1 nicm 1778: /* Filter out attribute bits already set. */
1.85 nicm 1779: changed = gc2.attr & ~tc->attr;
1780: tc->attr = gc2.attr;
1.1 nicm 1781:
1782: /* Set the attributes. */
1783: if (changed & GRID_ATTR_BRIGHT)
1784: tty_putcode(tty, TTYC_BOLD);
1785: if (changed & GRID_ATTR_DIM)
1786: tty_putcode(tty, TTYC_DIM);
1.180 nicm 1787: if (changed & GRID_ATTR_ITALICS)
1788: tty_set_italics(tty);
1.1 nicm 1789: if (changed & GRID_ATTR_UNDERSCORE)
1790: tty_putcode(tty, TTYC_SMUL);
1791: if (changed & GRID_ATTR_BLINK)
1792: tty_putcode(tty, TTYC_BLINK);
1793: if (changed & GRID_ATTR_REVERSE) {
1794: if (tty_term_has(tty->term, TTYC_REV))
1795: tty_putcode(tty, TTYC_REV);
1796: else if (tty_term_has(tty->term, TTYC_SMSO))
1797: tty_putcode(tty, TTYC_SMSO);
1798: }
1799: if (changed & GRID_ATTR_HIDDEN)
1800: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 1801: if (changed & GRID_ATTR_STRIKETHROUGH)
1802: tty_putcode(tty, TTYC_SMXX);
1.285 nicm 1803: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 1804: tty_putcode(tty, TTYC_SMACS);
1805: }
1806:
1.207 nicm 1807: static void
1.85 nicm 1808: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1809: {
1.61 nicm 1810: struct grid_cell *tc = &tty->cell;
1.204 nicm 1811: int have_ax;
1.61 nicm 1812:
1813: /* No changes? Nothing is necessary. */
1.204 nicm 1814: if (gc->fg == tc->fg && gc->bg == tc->bg)
1.63 nicm 1815: return;
1.1 nicm 1816:
1.61 nicm 1817: /*
1818: * Is either the default colour? This is handled specially because the
1819: * best solution might be to reset both colours to default, in which
1820: * case if only one is default need to fall onward to set the other
1821: * colour.
1822: */
1.204 nicm 1823: if (gc->fg == 8 || gc->bg == 8) {
1.61 nicm 1824: /*
1825: * If don't have AX but do have op, send sgr0 (op can't
1826: * actually be used because it is sometimes the same as sgr0
1827: * and sometimes isn't). This resets both colours to default.
1828: *
1829: * Otherwise, try to set the default colour only as needed.
1830: */
1.174 nicm 1831: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 1832: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
1833: tty_reset(tty);
1834: else {
1.204 nicm 1835: if (gc->fg == 8 && tc->fg != 8) {
1.61 nicm 1836: if (have_ax)
1837: tty_puts(tty, "\033[39m");
1.204 nicm 1838: else if (tc->fg != 7)
1.61 nicm 1839: tty_putcode1(tty, TTYC_SETAF, 7);
1840: tc->fg = 8;
1841: }
1.204 nicm 1842: if (gc->bg == 8 && tc->bg != 8) {
1.77 nicm 1843: if (have_ax)
1.61 nicm 1844: tty_puts(tty, "\033[49m");
1.204 nicm 1845: else if (tc->bg != 0)
1.61 nicm 1846: tty_putcode1(tty, TTYC_SETAB, 0);
1847: tc->bg = 8;
1848: }
1849: }
1850: }
1.1 nicm 1851:
1.61 nicm 1852: /* Set the foreground colour. */
1.204 nicm 1853: if (gc->fg != 8 && gc->fg != tc->fg)
1.85 nicm 1854: tty_colours_fg(tty, gc);
1.1 nicm 1855:
1.61 nicm 1856: /*
1857: * Set the background colour. This must come after the foreground as
1858: * tty_colour_fg() can call tty_reset().
1859: */
1.204 nicm 1860: if (gc->bg != 8 && gc->bg != tc->bg)
1.73 nicm 1861: tty_colours_bg(tty, gc);
1.1 nicm 1862: }
1863:
1.219 nicm 1864: static void
1865: tty_check_fg(struct tty *tty, const struct window_pane *wp,
1866: struct grid_cell *gc)
1.85 nicm 1867: {
1.204 nicm 1868: u_char r, g, b;
1869: u_int colours;
1.223 nicm 1870: int c;
1.85 nicm 1871:
1.288 nicm 1872: /*
1873: * Perform substitution if this pane has a palette. If the bright
1874: * attribute is set, use the bright entry in the palette by changing to
1875: * the aixterm colour.
1876: */
1877: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1878: c = gc->fg;
1.289 nicm 1879: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 1880: c += 90;
1881: if ((c = window_pane_get_palette(wp, c)) != -1)
1882: gc->fg = c;
1883: }
1.219 nicm 1884:
1.199 nicm 1885: /* Is this a 24-bit colour? */
1.204 nicm 1886: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 1887: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.286 nicm 1888: if (!tty_term_has(tty->term, TTYC_SETRGBF)) {
1.204 nicm 1889: colour_split_rgb(gc->fg, &r, &g, &b);
1890: gc->fg = colour_find_rgb(r, g, b);
1891: } else
1.200 nicm 1892: return;
1.199 nicm 1893: }
1.224 nicm 1894:
1895: /* How many colours does this terminal have? */
1896: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1897: colours = 256;
1898: else
1899: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1900:
1.85 nicm 1901: /* Is this a 256-colour colour? */
1.204 nicm 1902: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 1903: /* And not a 256 colour mode? */
1.224 nicm 1904: if (colours != 256) {
1.85 nicm 1905: gc->fg = colour_256to16(gc->fg);
1906: if (gc->fg & 8) {
1907: gc->fg &= 7;
1.175 nicm 1908: if (colours >= 16)
1909: gc->fg += 90;
1910: else
1911: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 1912: } else
1913: gc->attr &= ~GRID_ATTR_BRIGHT;
1914: }
1915: return;
1916: }
1917:
1918: /* Is this an aixterm colour? */
1919: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
1920: gc->fg -= 90;
1921: gc->attr |= GRID_ATTR_BRIGHT;
1922: }
1923: }
1924:
1.219 nicm 1925: static void
1926: tty_check_bg(struct tty *tty, const struct window_pane *wp,
1927: struct grid_cell *gc)
1.85 nicm 1928: {
1.204 nicm 1929: u_char r, g, b;
1930: u_int colours;
1.223 nicm 1931: int c;
1.85 nicm 1932:
1.288 nicm 1933: /* Perform substitution if this pane has a palette. */
1934: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1935: if ((c = window_pane_get_palette(wp, gc->bg)) != -1)
1936: gc->bg = c;
1937: }
1.219 nicm 1938:
1.199 nicm 1939: /* Is this a 24-bit colour? */
1.204 nicm 1940: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 1941: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.286 nicm 1942: if (!tty_term_has(tty->term, TTYC_SETRGBB)) {
1.204 nicm 1943: colour_split_rgb(gc->bg, &r, &g, &b);
1944: gc->bg = colour_find_rgb(r, g, b);
1945: } else
1.200 nicm 1946: return;
1.199 nicm 1947: }
1.224 nicm 1948:
1949: /* How many colours does this terminal have? */
1950: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
1951: colours = 256;
1952: else
1953: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 1954:
1.85 nicm 1955: /* Is this a 256-colour colour? */
1.204 nicm 1956: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 1957: /*
1958: * And not a 256 colour mode? Translate to 16-colour
1959: * palette. Bold background doesn't exist portably, so just
1960: * discard the bold bit if set.
1961: */
1.224 nicm 1962: if (colours != 256) {
1.85 nicm 1963: gc->bg = colour_256to16(gc->bg);
1.175 nicm 1964: if (gc->bg & 8) {
1.85 nicm 1965: gc->bg &= 7;
1.175 nicm 1966: if (colours >= 16)
1967: gc->fg += 90;
1968: }
1.85 nicm 1969: }
1970: return;
1971: }
1972:
1973: /* Is this an aixterm colour? */
1.175 nicm 1974: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 1975: gc->bg -= 90;
1976: }
1977:
1.207 nicm 1978: static void
1.85 nicm 1979: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 1980: {
1.61 nicm 1981: struct grid_cell *tc = &tty->cell;
1.79 nicm 1982: char s[32];
1.1 nicm 1983:
1.204 nicm 1984: /* Is this a 24-bit or 256-colour colour? */
1985: if (gc->fg & COLOUR_FLAG_RGB ||
1986: gc->fg & COLOUR_FLAG_256) {
1987: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 1988: goto save_fg;
1.199 nicm 1989: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 1990: return;
1.1 nicm 1991: }
1992:
1.79 nicm 1993: /* Is this an aixterm bright colour? */
1.204 nicm 1994: if (gc->fg >= 90 && gc->fg <= 97) {
1995: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
1.85 nicm 1996: tty_puts(tty, s);
1997: goto save_fg;
1.79 nicm 1998: }
1999:
1.61 nicm 2000: /* Otherwise set the foreground colour. */
1.204 nicm 2001: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2002:
1.77 nicm 2003: save_fg:
1.61 nicm 2004: /* Save the new values in the terminal current cell. */
1.204 nicm 2005: tc->fg = gc->fg;
1.1 nicm 2006: }
2007:
1.207 nicm 2008: static void
1.73 nicm 2009: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2010: {
1.61 nicm 2011: struct grid_cell *tc = &tty->cell;
1.79 nicm 2012: char s[32];
1.1 nicm 2013:
1.204 nicm 2014: /* Is this a 24-bit or 256-colour colour? */
2015: if (gc->bg & COLOUR_FLAG_RGB ||
2016: gc->bg & COLOUR_FLAG_256) {
2017: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 2018: goto save_bg;
1.199 nicm 2019: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2020: return;
1.79 nicm 2021: }
2022:
2023: /* Is this an aixterm bright colour? */
1.204 nicm 2024: if (gc->bg >= 90 && gc->bg <= 97) {
2025: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
1.175 nicm 2026: tty_puts(tty, s);
2027: goto save_bg;
1.1 nicm 2028: }
2029:
1.61 nicm 2030: /* Otherwise set the background colour. */
1.204 nicm 2031: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2032:
2033: save_bg:
2034: /* Save the new values in the terminal current cell. */
1.204 nicm 2035: tc->bg = gc->bg;
1.61 nicm 2036: }
2037:
1.207 nicm 2038: static int
1.204 nicm 2039: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2040: {
1.204 nicm 2041: u_char r, g, b;
1.61 nicm 2042: char s[32];
2043:
1.204 nicm 2044: if (colour & COLOUR_FLAG_256) {
2045: /*
2046: * If the user has specified -2 to the client, setaf and setab
2047: * may not work (or they may not want to use them), so send the
2048: * usual sequence.
2049: */
2050: if (tty->term_flags & TERM_256COLOURS)
2051: goto fallback_256;
1.189 nicm 2052:
1.204 nicm 2053: /*
2054: * If the terminfo entry has 256 colours and setaf and setab
2055: * exist, assume that they work correctly.
2056: */
2057: if (tty->term->flags & TERM_256COLOURS) {
2058: if (*type == '3') {
2059: if (!tty_term_has(tty->term, TTYC_SETAF))
2060: goto fallback_256;
2061: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2062: } else {
2063: if (!tty_term_has(tty->term, TTYC_SETAB))
2064: goto fallback_256;
2065: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2066: }
2067: return (0);
1.188 nicm 2068: }
1.204 nicm 2069: goto fallback_256;
2070: }
2071:
2072: if (colour & COLOUR_FLAG_RGB) {
1.286 nicm 2073: if (*type == '3') {
2074: if (!tty_term_has(tty->term, TTYC_SETRGBF))
2075: return (-1);
2076: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
2077: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
2078: } else {
2079: if (!tty_term_has(tty->term, TTYC_SETRGBB))
2080: return (-1);
2081: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
2082: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
2083: }
1.165 nicm 2084: return (0);
2085: }
1.61 nicm 2086:
1.165 nicm 2087: return (-1);
1.188 nicm 2088:
1.204 nicm 2089: fallback_256:
2090: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.188 nicm 2091: tty_puts(tty, s);
2092: return (0);
1.176 nicm 2093: }
2094:
1.207 nicm 2095: static void
1.176 nicm 2096: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
2097: {
1.203 nicm 2098: struct window *w = wp->window;
2099: struct options *oo = w->options;
2100: const struct grid_cell *agc, *pgc, *wgc;
1.223 nicm 2101: int c;
1.203 nicm 2102:
2103: if (w->flags & WINDOW_STYLECHANGED) {
2104: w->flags &= ~WINDOW_STYLECHANGED;
2105: agc = options_get_style(oo, "window-active-style");
2106: memcpy(&w->active_style, agc, sizeof w->active_style);
2107: wgc = options_get_style(oo, "window-style");
2108: memcpy(&w->style, wgc, sizeof w->style);
2109: } else {
2110: agc = &w->active_style;
2111: wgc = &w->style;
2112: }
1.176 nicm 2113: pgc = &wp->colgc;
2114:
1.204 nicm 2115: if (gc->fg == 8) {
2116: if (pgc->fg != 8)
1.176 nicm 2117: gc->fg = pgc->fg;
1.204 nicm 2118: else if (wp == w->active && agc->fg != 8)
1.176 nicm 2119: gc->fg = agc->fg;
1.204 nicm 2120: else
1.176 nicm 2121: gc->fg = wgc->fg;
1.219 nicm 2122:
1.223 nicm 2123: if (gc->fg != 8 &&
2124: (c = window_pane_get_palette(wp, gc->fg)) != -1)
2125: gc->fg = c;
1.176 nicm 2126: }
2127:
1.204 nicm 2128: if (gc->bg == 8) {
2129: if (pgc->bg != 8)
1.176 nicm 2130: gc->bg = pgc->bg;
1.204 nicm 2131: else if (wp == w->active && agc->bg != 8)
1.176 nicm 2132: gc->bg = agc->bg;
1.204 nicm 2133: else
1.176 nicm 2134: gc->bg = wgc->bg;
1.219 nicm 2135:
1.223 nicm 2136: if (gc->bg != 8 &&
2137: (c = window_pane_get_palette(wp, gc->bg)) != -1)
2138: gc->bg = c;
1.176 nicm 2139: }
1.210 nicm 2140: }
2141:
2142: static void
2143: tty_default_attributes(struct tty *tty, const struct window_pane *wp, u_int bg)
2144: {
2145: static struct grid_cell gc;
2146:
2147: memcpy(&gc, &grid_default_cell, sizeof gc);
2148: gc.bg = bg;
2149: tty_attributes(tty, &gc, wp);
1.1 nicm 2150: }
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