Annotation of src/usr.bin/tmux/tty.c, Revision 1.310
1.310 ! nicm 1: /* $OpenBSD: tty.c,v 1.309 2018/10/18 08:38:01 nicm Exp $ */
1.1 nicm 2:
3: /*
1.198 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/ioctl.h>
21:
1.106 nicm 22: #include <netinet/in.h>
23:
1.212 nicm 24: #include <curses.h>
1.1 nicm 25: #include <errno.h>
26: #include <fcntl.h>
1.106 nicm 27: #include <resolv.h>
1.42 nicm 28: #include <stdlib.h>
1.1 nicm 29: #include <string.h>
30: #include <termios.h>
31: #include <unistd.h>
32:
33: #include "tmux.h"
34:
1.207 nicm 35: static int tty_log_fd = -1;
1.192 nicm 36:
1.207 nicm 37: static int tty_client_ready(struct client *, struct window_pane *);
1.201 nicm 38:
1.207 nicm 39: static void tty_set_italics(struct tty *);
40: static int tty_try_colour(struct tty *, int, const char *);
1.208 nicm 41: static void tty_force_cursor_colour(struct tty *, const char *);
42: static void tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int,
43: u_int);
1.253 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);
1.309 nicm 67: static void tty_draw_pane(struct tty *, const struct tty_ctx *, u_int);
1.207 nicm 68: static void tty_cell(struct tty *, const struct grid_cell *,
69: const struct window_pane *);
70: static void tty_default_colours(struct grid_cell *,
71: const struct window_pane *);
1.210 nicm 72: static void tty_default_attributes(struct tty *, const struct window_pane *,
73: u_int);
1.1 nicm 74:
1.212 nicm 75: #define tty_use_margin(tty) \
1.265 nicm 76: ((tty)->term_type == TTY_VT420)
1.90 nicm 77:
1.264 nicm 78: #define tty_pane_full_width(tty, ctx) \
1.132 nicm 79: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
80:
1.266 nicm 81: #define TTY_BLOCK_INTERVAL (100000 /* 100 milliseconds */)
82: #define TTY_BLOCK_START(tty) (1 + ((tty)->sx * (tty)->sy) * 8)
83: #define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
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: {
1.185 nicm 100: if (!isatty(fd))
101: return (-1);
102:
1.30 nicm 103: memset(tty, 0, sizeof *tty);
1.22 nicm 104:
1.9 nicm 105: if (term == NULL || *term == '\0')
1.220 nicm 106: tty->term_name = xstrdup("unknown");
1.1 nicm 107: else
1.220 nicm 108: tty->term_name = xstrdup(term);
1.258 nicm 109:
1.30 nicm 110: tty->fd = fd;
1.136 nicm 111: tty->client = c;
1.30 nicm 112:
1.108 nicm 113: tty->cstyle = 0;
1.107 nicm 114: tty->ccolour = xstrdup("");
1.30 nicm 115:
1.1 nicm 116: tty->flags = 0;
1.212 nicm 117:
1.1 nicm 118: tty->term_flags = 0;
1.212 nicm 119: tty->term_type = TTY_UNKNOWN;
1.185 nicm 120:
121: return (0);
1.31 nicm 122: }
123:
1.287 nicm 124: void
1.31 nicm 125: tty_resize(struct tty *tty)
126: {
1.258 nicm 127: struct client *c = tty->client;
128: struct winsize ws;
129: u_int sx, sy;
1.31 nicm 130:
131: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 132: sx = ws.ws_col;
133: if (sx == 0)
134: sx = 80;
135: sy = ws.ws_row;
136: if (sy == 0)
137: sy = 24;
138: } else {
139: sx = 80;
140: sy = 24;
1.31 nicm 141: }
1.258 nicm 142: log_debug("%s: %s now %ux%u", __func__, c->name, sx, sy);
1.287 nicm 143: tty_set_size(tty, sx, sy);
1.242 nicm 144: tty_invalidate(tty);
1.114 nicm 145: }
146:
1.287 nicm 147: void
1.212 nicm 148: tty_set_size(struct tty *tty, u_int sx, u_int sy)
149: {
1.114 nicm 150: tty->sx = sx;
151: tty->sy = sy;
1.1 nicm 152: }
153:
1.244 nicm 154: static void
155: tty_read_callback(__unused int fd, __unused short events, void *data)
156: {
157: struct tty *tty = data;
1.258 nicm 158: struct client *c = tty->client;
1.244 nicm 159: size_t size = EVBUFFER_LENGTH(tty->in);
160: int nread;
161:
162: nread = evbuffer_read(tty->in, tty->fd, -1);
1.295 nicm 163: if (nread == 0 || nread == -1) {
1.290 nicm 164: event_del(&tty->event_in);
1.295 nicm 165: server_client_lost(tty->client);
1.244 nicm 166: return;
1.290 nicm 167: }
1.258 nicm 168: log_debug("%s: read %d bytes (already %zu)", c->name, nread, size);
1.244 nicm 169:
170: while (tty_keys_next(tty))
171: ;
172: }
173:
174: static void
1.266 nicm 175: tty_timer_callback(__unused int fd, __unused short events, void *data)
176: {
177: struct tty *tty = data;
178: struct client *c = tty->client;
179: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
180:
181: log_debug("%s: %zu discarded", c->name, tty->discarded);
182:
1.305 nicm 183: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.266 nicm 184: c->discarded += tty->discarded;
185:
186: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
187: tty->flags &= ~TTY_BLOCK;
188: tty_invalidate(tty);
189: return;
190: }
191: tty->discarded = 0;
192: evtimer_add(&tty->timer, &tv);
193: }
194:
195: static int
196: tty_block_maybe(struct tty *tty)
197: {
198: struct client *c = tty->client;
199: size_t size = EVBUFFER_LENGTH(tty->out);
200: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
201:
202: if (size < TTY_BLOCK_START(tty))
203: return (0);
204:
205: if (tty->flags & TTY_BLOCK)
206: return (1);
207: tty->flags |= TTY_BLOCK;
208:
209: log_debug("%s: can't keep up, %zu discarded", c->name, size);
210:
211: evbuffer_drain(tty->out, size);
212: c->discarded += size;
213:
214: tty->discarded = 0;
215: evtimer_add(&tty->timer, &tv);
216: return (1);
217: }
218:
219: static void
1.244 nicm 220: tty_write_callback(__unused int fd, __unused short events, void *data)
221: {
1.246 nicm 222: struct tty *tty = data;
1.258 nicm 223: struct client *c = tty->client;
1.246 nicm 224: size_t size = EVBUFFER_LENGTH(tty->out);
225: int nwrite;
1.244 nicm 226:
227: nwrite = evbuffer_write(tty->out, tty->fd);
228: if (nwrite == -1)
229: return;
1.258 nicm 230: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 231:
1.270 nicm 232: if (c->redraw > 0) {
233: if ((size_t)nwrite >= c->redraw)
234: c->redraw = 0;
235: else
236: c->redraw -= nwrite;
237: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
238: c->redraw);
239: } else if (tty_block_maybe(tty))
1.266 nicm 240: return;
241:
1.247 nicm 242: if (EVBUFFER_LENGTH(tty->out) != 0)
243: event_add(&tty->event_out, NULL);
1.244 nicm 244: }
245:
1.1 nicm 246: int
1.166 nicm 247: tty_open(struct tty *tty, char **cause)
1.1 nicm 248: {
1.220 nicm 249: tty->term = tty_term_find(tty->term_name, tty->fd, cause);
1.21 nicm 250: if (tty->term == NULL) {
251: tty_close(tty);
252: return (-1);
253: }
254: tty->flags |= TTY_OPENED;
1.1 nicm 255:
1.266 nicm 256: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 257:
258: event_set(&tty->event_in, tty->fd, EV_PERSIST|EV_READ,
259: tty_read_callback, tty);
260: tty->in = evbuffer_new();
1.1 nicm 261:
1.244 nicm 262: event_set(&tty->event_out, tty->fd, EV_WRITE, tty_write_callback, tty);
263: tty->out = evbuffer_new();
1.1 nicm 264:
1.266 nicm 265: evtimer_set(&tty->timer, tty_timer_callback, tty);
266:
1.1 nicm 267: tty_start_tty(tty);
268:
1.148 nicm 269: tty_keys_build(tty);
1.1 nicm 270:
271: return (0);
272: }
273:
1.244 nicm 274: void
275: tty_start_tty(struct tty *tty)
1.1 nicm 276: {
1.285 nicm 277: struct client *c = tty->client;
278: struct termios tio;
1.33 nicm 279:
1.244 nicm 280: if (tty->fd != -1 && tcgetattr(tty->fd, &tty->tio) == 0) {
281: setblocking(tty->fd, 0);
282: event_add(&tty->event_in, NULL);
283:
284: memcpy(&tio, &tty->tio, sizeof tio);
285: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
286: tio.c_iflag |= IGNBRK;
287: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
288: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
289: ECHOPRT|ECHOKE|ISIG);
290: tio.c_cc[VMIN] = 1;
291: tio.c_cc[VTIME] = 0;
292: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
293: tcflush(tty->fd, TCIOFLUSH);
294: }
1.1 nicm 295:
1.10 nicm 296: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 297:
1.252 nicm 298: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 299: tty_putcode(tty, TTYC_CLEAR);
300:
301: if (tty_acs_needed(tty)) {
302: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 303: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 304: } else
305: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 306:
307: tty_putcode(tty, TTYC_CNORM);
308: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 309: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.121 nicm 310:
1.189 nicm 311: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 312: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 313: tty->flags |= TTY_FOCUS;
314: tty_puts(tty, "\033[?1004h");
315: }
1.265 nicm 316: tty_puts(tty, "\033[c");
1.162 nicm 317: }
1.1 nicm 318:
1.20 nicm 319: tty->flags |= TTY_STARTED;
1.242 nicm 320: tty_invalidate(tty);
1.107 nicm 321:
322: tty_force_cursor_colour(tty, "");
1.177 nicm 323:
324: tty->mouse_drag_flag = 0;
325: tty->mouse_drag_update = NULL;
326: tty->mouse_drag_release = NULL;
1.128 nicm 327: }
328:
329: void
1.1 nicm 330: tty_stop_tty(struct tty *tty)
331: {
332: struct winsize ws;
333:
1.20 nicm 334: if (!(tty->flags & TTY_STARTED))
335: return;
336: tty->flags &= ~TTY_STARTED;
337:
1.266 nicm 338: event_del(&tty->timer);
339: tty->flags &= ~TTY_BLOCK;
340:
1.244 nicm 341: event_del(&tty->event_in);
342: event_del(&tty->event_out);
1.66 nicm 343:
1.1 nicm 344: /*
345: * Be flexible about error handling and try not kill the server just
346: * because the fd is invalid. Things like ssh -t can easily leave us
347: * with a dead tty.
348: */
349: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
350: return;
351: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
352: return;
353:
354: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 355: if (tty_acs_needed(tty))
1.90 nicm 356: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 357: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
358: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
359: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 360: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
361: if (tty_term_has(tty->term, TTYC_SE))
362: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 363: else
1.160 nicm 364: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 365: }
1.173 nicm 366: if (tty->mode & MODE_BRACKETPASTE)
367: tty_raw(tty, "\033[?2004l");
1.107 nicm 368: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 369:
370: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
371: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 372: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.151 nicm 373:
1.189 nicm 374: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 375: if (tty->flags & TTY_FOCUS) {
376: tty->flags &= ~TTY_FOCUS;
1.172 nicm 377: tty_raw(tty, "\033[?1004l");
1.162 nicm 378: }
379: }
1.10 nicm 380:
1.212 nicm 381: if (tty_use_margin(tty))
382: tty_raw(tty, "\033[?69l"); /* DECLRMM */
1.10 nicm 383: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 384:
385: setblocking(tty->fd, 1);
1.1 nicm 386: }
387:
388: void
1.20 nicm 389: tty_close(struct tty *tty)
1.1 nicm 390: {
1.123 nicm 391: if (event_initialized(&tty->key_timer))
392: evtimer_del(&tty->key_timer);
1.20 nicm 393: tty_stop_tty(tty);
1.1 nicm 394:
1.21 nicm 395: if (tty->flags & TTY_OPENED) {
1.244 nicm 396: evbuffer_free(tty->in);
397: event_del(&tty->event_in);
398: evbuffer_free(tty->out);
399: event_del(&tty->event_out);
1.66 nicm 400:
1.21 nicm 401: tty_term_free(tty->term);
402: tty_keys_free(tty);
403:
404: tty->flags &= ~TTY_OPENED;
405: }
1.1 nicm 406:
1.21 nicm 407: if (tty->fd != -1) {
408: close(tty->fd);
409: tty->fd = -1;
410: }
1.1 nicm 411: }
412:
413: void
1.20 nicm 414: tty_free(struct tty *tty)
1.1 nicm 415: {
1.20 nicm 416: tty_close(tty);
1.1 nicm 417:
1.138 nicm 418: free(tty->ccolour);
1.220 nicm 419: free(tty->term_name);
1.1 nicm 420: }
421:
422: void
1.212 nicm 423: tty_set_type(struct tty *tty, int type)
424: {
425: tty->term_type = type;
426:
427: if (tty_use_margin(tty))
428: tty_puts(tty, "\033[?69h"); /* DECLRMM */
429: }
430:
431: void
1.1 nicm 432: tty_raw(struct tty *tty, const char *s)
433: {
1.150 nicm 434: ssize_t n, slen;
435: u_int i;
436:
437: slen = strlen(s);
438: for (i = 0; i < 5; i++) {
439: n = write(tty->fd, s, slen);
440: if (n >= 0) {
441: s += n;
442: slen -= n;
443: if (slen == 0)
444: break;
445: } else if (n == -1 && errno != EAGAIN)
446: break;
447: usleep(100);
448: }
1.1 nicm 449: }
450:
451: void
452: tty_putcode(struct tty *tty, enum tty_code_code code)
453: {
454: tty_puts(tty, tty_term_string(tty->term, code));
455: }
456:
457: void
458: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
459: {
460: if (a < 0)
461: return;
462: tty_puts(tty, tty_term_string1(tty->term, code, a));
463: }
464:
465: void
466: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
467: {
468: if (a < 0 || b < 0)
469: return;
470: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
471: }
472:
473: void
1.286 nicm 474: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
475: {
476: if (a < 0 || b < 0 || c < 0)
477: return;
478: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
479: }
480:
481: void
1.107 nicm 482: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
483: {
484: if (a != NULL)
485: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
486: }
487:
488: void
1.167 nicm 489: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
490: const void *b)
1.106 nicm 491: {
492: if (a != NULL && b != NULL)
493: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
494: }
495:
1.243 nicm 496: static void
497: tty_add(struct tty *tty, const char *buf, size_t len)
498: {
1.258 nicm 499: struct client *c = tty->client;
500:
1.266 nicm 501: if (tty->flags & TTY_BLOCK) {
502: tty->discarded += len;
503: return;
504: }
505:
1.244 nicm 506: evbuffer_add(tty->out, buf, len);
1.270 nicm 507: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 508: c->written += len;
1.243 nicm 509:
510: if (tty_log_fd != -1)
511: write(tty_log_fd, buf, len);
1.244 nicm 512: if (tty->flags & TTY_STARTED)
513: event_add(&tty->event_out, NULL);
1.243 nicm 514: }
515:
1.106 nicm 516: void
1.1 nicm 517: tty_puts(struct tty *tty, const char *s)
518: {
1.243 nicm 519: if (*s != '\0')
520: tty_add(tty, s, strlen(s));
1.1 nicm 521: }
522:
523: void
524: tty_putc(struct tty *tty, u_char ch)
525: {
1.90 nicm 526: const char *acs;
1.1 nicm 527:
1.90 nicm 528: if (tty->cell.attr & GRID_ATTR_CHARSET) {
529: acs = tty_acs_get(tty, ch);
1.243 nicm 530: if (acs != NULL)
531: tty_add(tty, acs, strlen(acs));
532: else
533: tty_add(tty, &ch, 1);
534: } else
535: tty_add(tty, &ch, 1);
1.1 nicm 536:
537: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 538: if (tty->cx >= tty->sx) {
1.46 nicm 539: tty->cx = 1;
540: if (tty->cy != tty->rlower)
541: tty->cy++;
1.211 nicm 542:
543: /*
544: * On !xenl terminals, force the cursor position to
545: * where we think it should be after a line wrap - this
546: * means it works on sensible terminals as well.
547: */
548: if (tty->term->flags & TERM_EARLYWRAP)
549: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 550: } else
551: tty->cx++;
552: }
553: }
554:
555: void
1.147 nicm 556: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 557: {
1.243 nicm 558: tty_add(tty, buf, len);
1.268 nicm 559: if (tty->cx + width > tty->sx) {
560: tty->cx = (tty->cx + width) - tty->sx;
561: if (tty->cx <= tty->sx)
562: tty->cy++;
563: else
564: tty->cx = tty->cy = UINT_MAX;
565: } else
1.254 nicm 566: tty->cx += width;
1.5 nicm 567: }
568:
1.207 nicm 569: static void
1.180 nicm 570: tty_set_italics(struct tty *tty)
571: {
572: const char *s;
573:
574: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 575: s = options_get_string(global_options, "default-terminal");
1.180 nicm 576: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
577: tty_putcode(tty, TTYC_SITM);
578: return;
579: }
580: }
581: tty_putcode(tty, TTYC_SMSO);
582: }
583:
584: void
1.1 nicm 585: tty_set_title(struct tty *tty, const char *title)
586: {
1.105 nicm 587: if (!tty_term_has(tty->term, TTYC_TSL) ||
588: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 589: return;
590:
1.105 nicm 591: tty_putcode(tty, TTYC_TSL);
1.1 nicm 592: tty_puts(tty, title);
1.105 nicm 593: tty_putcode(tty, TTYC_FSL);
1.1 nicm 594: }
595:
1.208 nicm 596: static void
1.107 nicm 597: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
598: {
599: if (*ccolour == '\0')
600: tty_putcode(tty, TTYC_CR);
601: else
1.160 nicm 602: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 603: free(tty->ccolour);
1.107 nicm 604: tty->ccolour = xstrdup(ccolour);
605: }
606:
607: void
608: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 609: {
610: int changed;
611:
1.197 nicm 612: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 613: tty_force_cursor_colour(tty, s->ccolour);
614:
1.1 nicm 615: if (tty->flags & TTY_NOCURSOR)
616: mode &= ~MODE_CURSOR;
617:
618: changed = mode ^ tty->mode;
1.183 nicm 619: if (changed & MODE_BLINKING) {
620: if (tty_term_has(tty->term, TTYC_CVVIS))
621: tty_putcode(tty, TTYC_CVVIS);
622: else
623: tty_putcode(tty, TTYC_CNORM);
624: changed |= MODE_CURSOR;
625: }
626: if (changed & MODE_CURSOR) {
627: if (mode & MODE_CURSOR)
628: tty_putcode(tty, TTYC_CNORM);
629: else
1.1 nicm 630: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 631: }
1.181 nicm 632: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 633: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 634: if (s->cstyle == 0 &&
1.160 nicm 635: tty_term_has(tty->term, TTYC_SE))
636: tty_putcode(tty, TTYC_SE);
1.108 nicm 637: else
1.160 nicm 638: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 639: }
640: tty->cstyle = s->cstyle;
1.1 nicm 641: }
1.195 nicm 642: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 643: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 644: /*
645: * Enable the SGR (1006) extension unconditionally, as
1.221 nicm 646: * it is safe from misinterpretation.
1.153 nicm 647: */
648: tty_puts(tty, "\033[?1006h");
1.225 nicm 649: if (mode & MODE_MOUSE_ALL)
650: tty_puts(tty, "\033[?1003h");
651: else if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 652: tty_puts(tty, "\033[?1002h");
1.98 nicm 653: else if (mode & MODE_MOUSE_STANDARD)
654: tty_puts(tty, "\033[?1000h");
1.86 nicm 655: } else {
1.225 nicm 656: if (tty->mode & MODE_MOUSE_ALL)
657: tty_puts(tty, "\033[?1003l");
658: else if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 659: tty_puts(tty, "\033[?1002l");
1.98 nicm 660: else if (tty->mode & MODE_MOUSE_STANDARD)
661: tty_puts(tty, "\033[?1000l");
1.153 nicm 662: tty_puts(tty, "\033[?1006l");
1.86 nicm 663: }
1.115 nicm 664: }
665: if (changed & MODE_BRACKETPASTE) {
666: if (mode & MODE_BRACKETPASTE)
667: tty_puts(tty, "\033[?2004h");
668: else
669: tty_puts(tty, "\033[?2004l");
1.1 nicm 670: }
671: tty->mode = mode;
672: }
673:
1.207 nicm 674: static void
1.168 nicm 675: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
676: enum tty_code_code code1, u_int n)
1.1 nicm 677: {
678: if (tty_term_has(tty->term, code))
679: tty_putcode1(tty, code, n);
680: else {
681: while (n-- > 0)
682: tty_putcode(tty, code1);
683: }
684: }
685:
1.207 nicm 686: static void
1.133 nicm 687: tty_repeat_space(struct tty *tty, u_int n)
688: {
1.257 nicm 689: static char s[500];
690:
691: if (*s != ' ')
692: memset(s, ' ', sizeof s);
693:
694: while (n > sizeof s) {
695: tty_putn(tty, s, sizeof s, sizeof s);
696: n -= sizeof s;
697: }
698: if (n != 0)
699: tty_putn(tty, s, n, n);
1.304 nicm 700: }
701:
1.309 nicm 702: /* Is this window bigger than the terminal? */
703: int
704: tty_window_bigger(struct tty *tty)
705: {
706: struct client *c = tty->client;
707: struct window *w = c->session->curw->window;
708:
709: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
710: }
711:
712: /* What offset should this window be drawn at? */
713: int
714: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
715: {
716: *ox = tty->oox;
717: *oy = tty->ooy;
718: *sx = tty->osx;
719: *sy = tty->osy;
720:
721: return (tty->oflag);
722: }
723:
724: /* What offset should this window be drawn at? */
725: static int
726: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
727: {
728: struct client *c = tty->client;
729: struct window *w = c->session->curw->window;
730: struct window_pane *wp = w->active;
731: u_int cx, cy, lines;
732:
733: lines = status_line_size(c);
734:
735: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
736: *ox = 0;
737: *oy = 0;
738: *sx = w->sx;
739: *sy = w->sy;
740:
741: c->pan_window = NULL;
742: return (0);
743: }
744:
745: *sx = tty->sx;
746: *sy = tty->sy - lines;
747:
748: if (c->pan_window == w) {
749: if (*sx >= w->sx)
750: c->pan_ox = 0;
751: else if (c->pan_ox + *sx > w->sx)
752: c->pan_ox = w->sx - *sx;
753: *ox = c->pan_ox;
754: if (*sy >= w->sy)
755: c->pan_oy = 0;
756: else if (c->pan_oy + *sy > w->sy)
757: c->pan_oy = w->sy - *sy;
758: *oy = c->pan_oy;
759: return (1);
760: }
761:
762: if (~wp->screen->mode & MODE_CURSOR) {
763: *ox = 0;
764: *oy = 0;
765: } else {
766: cx = wp->xoff + wp->screen->cx;
767: cy = wp->yoff + wp->screen->cy;
768:
769: if (cx < *sx)
770: *ox = 0;
771: else if (cx > w->sx - *sx)
772: *ox = w->sx - *sx;
773: else
774: *ox = cx - *sx / 2;
775:
776: if (cy < *sy)
777: *oy = 0;
778: else if (cy > w->sy - *sy)
779: *oy = w->sy - *sy;
780: else
781: *oy = cy - *sy / 2;
782: }
783:
784: c->pan_window = NULL;
785: return (1);
786: }
787:
788: /* Update stored offsets for a window and redraw if necessary. */
789: void
790: tty_update_window_offset(struct window *w)
791: {
792: struct client *c;
793:
794: TAILQ_FOREACH(c, &clients, entry) {
795: if (c->session != NULL && c->session->curw->window == w)
796: tty_update_client_offset(c);
797: }
798: }
799:
800: /* Update stored offsets for a client and redraw if necessary. */
801: void
802: tty_update_client_offset(struct client *c)
1.304 nicm 803: {
1.309 nicm 804: u_int ox, oy, sx, sy;
1.304 nicm 805:
1.309 nicm 806: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
807: if (ox == c->tty.oox &&
808: oy == c->tty.ooy &&
809: sx == c->tty.osx &&
810: sy == c->tty.osy)
811: return;
812:
813: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
814: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
815: ox, oy, sx, sy);
816:
817: c->tty.oox = ox;
818: c->tty.ooy = oy;
819: c->tty.osx = sx;
820: c->tty.osy = sy;
821:
822: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 823: }
824:
1.1 nicm 825: /*
1.119 nicm 826: * Is the region large enough to be worth redrawing once later rather than
827: * probably several times now? Currently yes if it is more than 50% of the
828: * pane.
829: */
1.207 nicm 830: static int
1.194 nicm 831: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 832: {
833: struct window_pane *wp = ctx->wp;
834:
835: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
836: }
837:
838: /*
1.176 nicm 839: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
840: * emulated.
841: */
1.207 nicm 842: static int
1.210 nicm 843: tty_fake_bce(const struct tty *tty, const struct window_pane *wp, u_int bg)
1.176 nicm 844: {
845: struct grid_cell gc;
846:
1.210 nicm 847: if (tty_term_flag(tty->term, TTYC_BCE))
848: return (0);
849:
1.176 nicm 850: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 851: if (wp != NULL)
852: tty_default_colours(&gc, wp);
1.176 nicm 853:
1.310 ! nicm 854: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc.bg))
1.210 nicm 855: return (1);
856: return (0);
1.176 nicm 857: }
858:
859: /*
1.1 nicm 860: * Redraw scroll region using data from screen (already updated). Used when
861: * CSR not supported, or window is a pane that doesn't take up the full
862: * width of the terminal.
863: */
1.207 nicm 864: static void
1.24 nicm 865: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 866: {
1.14 nicm 867: struct window_pane *wp = ctx->wp;
868: struct screen *s = wp->screen;
1.204 nicm 869: u_int i;
1.1 nicm 870:
871: /*
1.119 nicm 872: * If region is large, schedule a window redraw. In most cases this is
873: * likely to be followed by some more scrolling.
1.1 nicm 874: */
1.119 nicm 875: if (tty_large_region(tty, ctx)) {
1.1 nicm 876: wp->flags |= PANE_REDRAW;
877: return;
878: }
879:
1.14 nicm 880: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
881: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.309 nicm 882: tty_draw_pane(tty, ctx, i);
1.1 nicm 883: } else {
1.14 nicm 884: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.309 nicm 885: tty_draw_pane(tty, ctx, i);
1.1 nicm 886: }
887: }
888:
1.309 nicm 889: /* Is this position visible in the pane? */
890: static int
891: tty_is_visible(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
892: u_int nx, u_int ny)
893: {
894: u_int xoff = ctx->xoff + px, yoff = ctx->yoff + py, lines;
895:
896: if (!ctx->bigger)
897: return (1);
898:
899: if (status_at_line(tty->client) == 0)
900: lines = status_line_size(tty->client);
901: else
902: lines = 0;
903:
904: if (xoff + nx <= ctx->ox || xoff >= ctx->ox + ctx->sx ||
905: yoff + ny <= ctx->oy || yoff >= lines + ctx->oy + ctx->sy) {
906: return (0);
907: }
908: return (1);
909: }
910:
911: /* Clamp line position to visible part of pane. */
912: static int
913: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
914: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
915: {
916: struct window_pane *wp = ctx->wp;
917: u_int xoff = wp->xoff + px;
918:
919: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
920: return (0);
921: *ry = ctx->yoff + py - ctx->oy;
922:
923: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
924: /* All visible. */
925: *i = 0;
926: *x = ctx->xoff + px - ctx->ox;
927: *rx = nx;
928: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
929: /* Both left and right not visible. */
930: *i = ctx->ox;
931: *x = 0;
932: *rx = ctx->sx;
933: } else if (xoff < ctx->ox) {
934: /* Left not visible. */
935: *i = ctx->ox - (ctx->xoff + px);
936: *x = 0;
937: *rx = nx - *i;
938: } else {
939: /* Right not visible. */
940: *i = 0;
941: *x = (ctx->xoff + px) - ctx->ox;
942: *rx = ctx->sx - *x;
943: }
944: if (*rx > nx)
945: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
946:
947: return (1);
948: }
949:
950: /* Clear a line. */
1.271 nicm 951: static void
952: tty_clear_line(struct tty *tty, const struct window_pane *wp, u_int py,
953: u_int px, u_int nx, u_int bg)
954: {
1.309 nicm 955: struct client *c = tty->client;
956:
957: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 958:
959: /* Nothing to clear. */
960: if (nx == 0)
961: return;
962:
963: /* If genuine BCE is available, can try escape sequences. */
964: if (!tty_fake_bce(tty, wp, bg)) {
965: /* Off the end of the line, use EL if available. */
966: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
967: tty_cursor(tty, px, py);
968: tty_putcode(tty, TTYC_EL);
969: return;
970: }
971:
972: /* At the start of the line. Use EL1. */
973: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
974: tty_cursor(tty, px + nx - 1, py);
975: tty_putcode(tty, TTYC_EL1);
976: return;
977: }
978:
979: /* Section of line. Use ECH if possible. */
980: if (tty_term_has(tty->term, TTYC_ECH)) {
981: tty_cursor(tty, px, py);
982: tty_putcode1(tty, TTYC_ECH, nx);
983: return;
984: }
985: }
986:
987: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 988: tty_cursor(tty, px, py);
1.271 nicm 989: tty_repeat_space(tty, nx);
990: }
991:
1.309 nicm 992: /* Clear a line, adjusting to visible part of pane. */
993: static void
994: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
995: u_int px, u_int nx, u_int bg)
996: {
997: struct client *c = tty->client;
998: u_int i, x, rx, ry;
999:
1000: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1001:
1002: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1003: tty_clear_line(tty, ctx->wp, ry, x, rx, bg);
1004: }
1005:
1006: /* Clamp area position to visible part of pane. */
1007: static int
1008: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1009: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1010: u_int *ry)
1011: {
1012: struct window_pane *wp = ctx->wp;
1013: u_int xoff = wp->xoff + px, yoff = wp->yoff + py;
1014:
1015: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1016: return (0);
1017:
1018: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
1019: /* All visible. */
1020: *i = 0;
1021: *x = ctx->xoff + px - ctx->ox;
1022: *rx = nx;
1023: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
1024: /* Both left and right not visible. */
1025: *i = ctx->ox;
1026: *x = 0;
1027: *rx = ctx->sx;
1028: } else if (xoff < ctx->ox) {
1029: /* Left not visible. */
1030: *i = ctx->ox - (ctx->xoff + px);
1031: *x = 0;
1032: *rx = nx - *i;
1033: } else {
1034: /* Right not visible. */
1035: *i = 0;
1036: *x = (ctx->xoff + px) - ctx->ox;
1037: *rx = ctx->sx - *x;
1038: }
1039: if (*rx > nx)
1040: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1041:
1042: if (yoff >= ctx->oy && yoff + ny <= ctx->oy + ctx->sy) {
1043: /* All visible. */
1044: *j = 0;
1045: *y = ctx->yoff + py - ctx->oy;
1046: *ry = ny;
1047: } else if (yoff < ctx->oy && yoff + ny > ctx->oy + ctx->sy) {
1048: /* Both left and right not visible. */
1049: *j = ctx->oy;
1050: *y = 0;
1051: *ry = ctx->sy;
1052: } else if (yoff < ctx->oy) {
1053: /* Left not visible. */
1054: *j = ctx->oy - (ctx->yoff + py);
1055: *y = 0;
1056: *ry = ny - *j;
1057: } else {
1058: /* Right not visible. */
1059: *j = 0;
1060: *y = (ctx->yoff + py) - ctx->oy;
1061: *ry = ctx->sy - *y;
1062: }
1063: if (*ry > ny)
1064: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1065:
1066: return (1);
1067: }
1068:
1069: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1070: static void
1071: tty_clear_area(struct tty *tty, const struct window_pane *wp, u_int py,
1072: u_int ny, u_int px, u_int nx, u_int bg)
1073: {
1.309 nicm 1074: struct client *c = tty->client;
1075: u_int yy;
1076: char tmp[64];
1.271 nicm 1077:
1.309 nicm 1078: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1079:
1080: /* Nothing to clear. */
1081: if (nx == 0 || ny == 0)
1082: return;
1083:
1084: /* If genuine BCE is available, can try escape sequences. */
1085: if (!tty_fake_bce(tty, wp, bg)) {
1.276 nicm 1086: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1087: if (px == 0 &&
1088: px + nx >= tty->sx &&
1089: py + ny >= tty->sy &&
1090: tty_term_has(tty->term, TTYC_ED)) {
1091: tty_cursor(tty, 0, py);
1092: tty_putcode(tty, TTYC_ED);
1.274 nicm 1093: return;
1094: }
1095:
1096: /*
1.276 nicm 1097: * On VT420 compatible terminals we can use DECFRA if the
1098: * background colour isn't default (because it doesn't work
1099: * after SGR 0).
1.274 nicm 1100: */
1.310 ! nicm 1101: if (tty->term_type == TTY_VT420 && COLOUR_DEFAULT(bg)) {
1.274 nicm 1102: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1103: py + 1, px + 1, py + ny, px + nx);
1104: tty_puts(tty, tmp);
1.276 nicm 1105: return;
1106: }
1107:
1.280 nicm 1108: /* Full lines can be scrolled away to clear them. */
1109: if (px == 0 &&
1.281 nicm 1110: px + nx >= tty->sx &&
1.280 nicm 1111: ny > 2 &&
1112: tty_term_has(tty->term, TTYC_CSR) &&
1113: tty_term_has(tty->term, TTYC_INDN)) {
1114: tty_region(tty, py, py + ny - 1);
1115: tty_margin_off(tty);
1.284 nicm 1116: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1117: return;
1118: }
1119:
1.276 nicm 1120: /*
1121: * If margins are supported, can just scroll the area off to
1122: * clear it.
1123: */
1.277 nicm 1124: if (nx > 2 &&
1125: ny > 2 &&
1.280 nicm 1126: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1127: tty_use_margin(tty) &&
1128: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1129: tty_region(tty, py, py + ny - 1);
1130: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1131: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1132: return;
1133: }
1134: }
1135:
1136: /* Couldn't use an escape sequence, loop over the lines. */
1137: for (yy = py; yy < py + ny; yy++)
1138: tty_clear_line(tty, wp, yy, px, nx, bg);
1139: }
1140:
1.309 nicm 1141: /* Clear an area in a pane. */
1142: static void
1143: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1144: u_int ny, u_int px, u_int nx, u_int bg)
1145: {
1146: u_int i, j, x, y, rx, ry;
1147:
1148: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1149: tty_clear_area(tty, ctx->wp, y, ry, x, rx, bg);
1150: }
1151:
1152: static void
1153: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1154: {
1.309 nicm 1155: struct window_pane *wp = ctx->wp;
1156: struct screen *s = wp->screen;
1157: u_int nx = screen_size_x(s), i, x, rx, ry;
1158:
1159: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1160:
1161: if (!ctx->bigger) {
1162: tty_draw_line(tty, wp, s, 0, py, nx, ctx->xoff, ctx->yoff + py);
1163: return;
1164: }
1165: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry))
1166: tty_draw_line(tty, wp, s, i, py, rx, x, ry);
1.176 nicm 1167: }
1168:
1.298 nicm 1169: static const struct grid_cell *
1170: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1171: {
1172: static struct grid_cell new;
1173: u_int n;
1174:
1175: /* Characters less than 0x7f are always fine, no matter what. */
1176: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1177: return (gc);
1178:
1179: /* UTF-8 terminal and a UTF-8 character - fine. */
1180: if (tty->flags & TTY_UTF8)
1181: return (gc);
1182:
1183: /* Replace by the right number of underscores. */
1184: n = gc->data.width;
1185: if (n > UTF8_SIZE)
1186: n = UTF8_SIZE;
1187: memcpy(&new, gc, sizeof new);
1188: new.data.size = n;
1189: memset(new.data.data, '_', n);
1190: return (&new);
1191: }
1192:
1.176 nicm 1193: void
1194: tty_draw_line(struct tty *tty, const struct window_pane *wp,
1.309 nicm 1195: struct screen *s, u_int px, u_int py, u_int nx, u_int atx, u_int aty)
1.1 nicm 1196: {
1.297 nicm 1197: struct grid *gd = s->grid;
1.250 nicm 1198: struct grid_cell gc, last;
1.298 nicm 1199: const struct grid_cell *gcp;
1.309 nicm 1200: struct grid_line *gl;
1201: u_int i, j, ux, sx, width;
1.259 nicm 1202: int flags, cleared = 0;
1.250 nicm 1203: char buf[512];
1.291 nicm 1204: size_t len, old_len;
1.303 nicm 1205: u_int cellsize;
1.1 nicm 1206:
1.309 nicm 1207: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1208: px, py, nx, atx, aty);
1209:
1210: /*
1211: * py is the line in the screen to draw.
1212: * px is the start x and nx is the width to draw.
1213: * atx,aty is the line on the terminal to draw it.
1214: */
1215:
1.259 nicm 1216: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1217: tty->flags |= TTY_NOCURSOR;
1218: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1219:
1.214 nicm 1220: tty_region_off(tty);
1221: tty_margin_off(tty);
1222:
1.273 nicm 1223: /*
1224: * Clamp the width to cellsize - note this is not cellused, because
1225: * there may be empty background cells after it (from BCE).
1226: */
1.1 nicm 1227: sx = screen_size_x(s);
1.309 nicm 1228: if (nx > sx)
1229: nx = sx;
1.303 nicm 1230: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1231: if (sx > cellsize)
1232: sx = cellsize;
1.1 nicm 1233: if (sx > tty->sx)
1234: sx = tty->sx;
1.309 nicm 1235: if (sx > nx)
1236: sx = nx;
1.292 nicm 1237: ux = 0;
1.1 nicm 1238:
1.309 nicm 1239: if (py == 0)
1240: gl = NULL;
1241: else
1242: gl = grid_get_line(gd, gd->hsize + py - 1);
1.268 nicm 1243: if (wp == NULL ||
1.309 nicm 1244: gl == NULL ||
1245: (~gl->flags & GRID_LINE_WRAPPED) ||
1246: atx != 0 ||
1.268 nicm 1247: tty->cx < tty->sx ||
1.309 nicm 1248: nx < tty->sx) {
1249: if (nx < tty->sx &&
1250: atx == 0 &&
1251: px + sx != nx &&
1.268 nicm 1252: tty_term_has(tty->term, TTYC_EL1) &&
1253: !tty_fake_bce(tty, wp, 8)) {
1254: tty_default_attributes(tty, wp, 8);
1.309 nicm 1255: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1256: tty_putcode(tty, TTYC_EL1);
1257: cleared = 1;
1258: }
1.309 nicm 1259: if (px + sx != 0)
1260: tty_cursor(tty, atx, aty);
1.268 nicm 1261: } else
1.309 nicm 1262: log_debug("%s: wrapped line %u", __func__, aty);
1.250 nicm 1263:
1264: memcpy(&last, &grid_default_cell, sizeof last);
1265: len = 0;
1266: width = 0;
1.46 nicm 1267:
1.1 nicm 1268: for (i = 0; i < sx; i++) {
1.309 nicm 1269: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1270: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1271: if (len != 0 &&
1.298 nicm 1272: ((gcp->attr & GRID_ATTR_CHARSET) ||
1273: gcp->flags != last.flags ||
1274: gcp->attr != last.attr ||
1275: gcp->fg != last.fg ||
1276: gcp->bg != last.bg ||
1.309 nicm 1277: ux + width + gcp->data.width >= nx ||
1.298 nicm 1278: (sizeof buf) - len < gcp->data.size)) {
1.250 nicm 1279: tty_attributes(tty, &last, wp);
1280: tty_putn(tty, buf, len, width);
1.292 nicm 1281: ux += width;
1.250 nicm 1282:
1283: len = 0;
1284: width = 0;
1285: }
1286:
1.298 nicm 1287: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1288: screen_select_cell(s, &last, gcp);
1.250 nicm 1289: else
1.299 nicm 1290: memcpy(&last, gcp, sizeof last);
1.309 nicm 1291: if (ux + gcp->data.width > nx) {
1.299 nicm 1292: tty_attributes(tty, &last, wp);
1.298 nicm 1293: for (j = 0; j < gcp->data.width; j++) {
1.309 nicm 1294: if (ux + j > nx)
1.297 nicm 1295: break;
1296: tty_putc(tty, ' ');
1297: ux++;
1298: }
1.299 nicm 1299: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1300: tty_attributes(tty, &last, wp);
1301: for (j = 0; j < gcp->data.size; j++)
1302: tty_putc(tty, gcp->data.data[j]);
1303: ux += gc.data.width;
1304: } else {
1.298 nicm 1305: memcpy(buf + len, gcp->data.data, gcp->data.size);
1306: len += gcp->data.size;
1307: width += gcp->data.width;
1.250 nicm 1308: }
1309: }
1310: if (len != 0) {
1.291 nicm 1311: if (grid_cells_equal(&last, &grid_default_cell)) {
1312: old_len = len;
1.292 nicm 1313: while (len > 0 && buf[len - 1] == ' ') {
1.291 nicm 1314: len--;
1.292 nicm 1315: width--;
1316: }
1.291 nicm 1317: log_debug("%s: trimmed %zu spaces", __func__,
1318: old_len - len);
1319: }
1320: if (len != 0) {
1321: tty_attributes(tty, &last, wp);
1322: tty_putn(tty, buf, len, width);
1.292 nicm 1323: ux += width;
1.291 nicm 1324: }
1.1 nicm 1325: }
1326:
1.309 nicm 1327: if (!cleared && ux < nx) {
1.210 nicm 1328: tty_default_attributes(tty, wp, 8);
1.309 nicm 1329: tty_clear_line(tty, wp, aty, atx + ux, nx - ux, 8);
1.35 nicm 1330: }
1.1 nicm 1331:
1.181 nicm 1332: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1333: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1334: }
1335:
1.201 nicm 1336: static int
1.182 nicm 1337: tty_client_ready(struct client *c, struct window_pane *wp)
1338: {
1339: if (c->session == NULL || c->tty.term == NULL)
1340: return (0);
1.305 nicm 1341: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1342: return (0);
1343: if (c->tty.flags & TTY_FREEZE)
1344: return (0);
1345: if (c->session->curw->window != wp->window)
1346: return (0);
1.309 nicm 1347: if (wp->layout_cell == NULL)
1348: return (0);
1.182 nicm 1349: return (1);
1350: }
1351:
1.15 nicm 1352: void
1.182 nicm 1353: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1354: struct tty_ctx *ctx)
1.15 nicm 1355: {
1356: struct window_pane *wp = ctx->wp;
1357: struct client *c;
1358:
1359: if (wp == NULL)
1360: return;
1.309 nicm 1361: if (wp->flags & (PANE_REDRAW|PANE_DROP))
1.15 nicm 1362: return;
1363:
1.178 nicm 1364: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 1365: if (!tty_client_ready(c, wp))
1.15 nicm 1366: continue;
1367:
1.309 nicm 1368: ctx->bigger = tty_window_offset(&c->tty, &ctx->ox, &ctx->oy,
1369: &ctx->sx, &ctx->sy);
1370:
1.139 nicm 1371: ctx->xoff = wp->xoff;
1372: ctx->yoff = wp->yoff;
1.309 nicm 1373:
1.139 nicm 1374: if (status_at_line(c) == 0)
1.309 nicm 1375: ctx->yoff += status_line_size(c);
1.113 nicm 1376:
1.139 nicm 1377: cmdfn(&c->tty, ctx);
1.1 nicm 1378: }
1379: }
1380:
1381: void
1.24 nicm 1382: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1383: {
1.77 nicm 1384: struct window_pane *wp = ctx->wp;
1.1 nicm 1385:
1.309 nicm 1386: if (ctx->bigger ||
1387: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1388: tty_fake_bce(tty, wp, ctx->bg) ||
1389: (!tty_term_has(tty->term, TTYC_ICH) &&
1390: !tty_term_has(tty->term, TTYC_ICH1))) {
1.309 nicm 1391: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1392: return;
1393: }
1394:
1.210 nicm 1395: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1396:
1.77 nicm 1397: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1398:
1.206 nicm 1399: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1400: }
1401:
1402: void
1.24 nicm 1403: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1404: {
1.77 nicm 1405: struct window_pane *wp = ctx->wp;
1.1 nicm 1406:
1.309 nicm 1407: if (ctx->bigger ||
1408: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1409: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 1410: (!tty_term_has(tty->term, TTYC_DCH) &&
1411: !tty_term_has(tty->term, TTYC_DCH1))) {
1.309 nicm 1412: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1413: return;
1414: }
1415:
1.210 nicm 1416: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1417:
1.77 nicm 1418: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1419:
1.206 nicm 1420: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1421: }
1422:
1423: void
1424: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1425: {
1.309 nicm 1426: if (ctx->bigger) {
1427: tty_draw_pane(tty, ctx, ctx->ocy);
1428: return;
1429: }
1430:
1.275 nicm 1431: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.146 nicm 1432:
1433: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1434:
1.210 nicm 1435: if (tty_term_has(tty->term, TTYC_ECH) &&
1.262 nicm 1436: !tty_fake_bce(tty, ctx->wp, 8))
1.146 nicm 1437: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1438: else
1439: tty_repeat_space(tty, ctx->num);
1.1 nicm 1440: }
1441:
1442: void
1.24 nicm 1443: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1444: {
1.309 nicm 1445: if (ctx->bigger ||
1446: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1447: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 1448: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1449: !tty_term_has(tty->term, TTYC_IL1) ||
1450: ctx->wp->sx == 1 ||
1451: ctx->wp->sy == 1) {
1.14 nicm 1452: tty_redraw_region(tty, ctx);
1.1 nicm 1453: return;
1454: }
1455:
1.210 nicm 1456: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1457:
1.77 nicm 1458: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1459: tty_margin_off(tty);
1.77 nicm 1460: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1461:
1.12 nicm 1462: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1463: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1464: }
1465:
1466: void
1.24 nicm 1467: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1468: {
1.309 nicm 1469: if (ctx->bigger ||
1470: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1471: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 1472: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1473: !tty_term_has(tty->term, TTYC_DL1) ||
1474: ctx->wp->sx == 1 ||
1475: ctx->wp->sy == 1) {
1.14 nicm 1476: tty_redraw_region(tty, ctx);
1.1 nicm 1477: return;
1478: }
1479:
1.210 nicm 1480: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1481:
1.77 nicm 1482: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1483: tty_margin_off(tty);
1.77 nicm 1484: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1485:
1.12 nicm 1486: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1487: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1488: }
1489:
1490: void
1.24 nicm 1491: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1492: {
1.77 nicm 1493: struct window_pane *wp = ctx->wp;
1.309 nicm 1494: u_int nx;
1.1 nicm 1495:
1.210 nicm 1496: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1497:
1.271 nicm 1498: nx = screen_size_x(wp->screen);
1.309 nicm 1499: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, nx, ctx->bg);
1.1 nicm 1500: }
1501:
1502: void
1.24 nicm 1503: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1504: {
1.77 nicm 1505: struct window_pane *wp = ctx->wp;
1.309 nicm 1506: u_int nx;
1.1 nicm 1507:
1.210 nicm 1508: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1509:
1.271 nicm 1510: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1511: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1512: }
1513:
1514: void
1.24 nicm 1515: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1516: {
1.210 nicm 1517: struct window_pane *wp = ctx->wp;
1518:
1519: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1520:
1.309 nicm 1521: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1522: }
1523:
1524: void
1.24 nicm 1525: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1526: {
1.278 nicm 1527: struct window_pane *wp = ctx->wp;
1528:
1.56 nicm 1529: if (ctx->ocy != ctx->orupper)
1530: return;
1531:
1.309 nicm 1532: if (ctx->bigger ||
1533: !tty_pane_full_width(tty, ctx) ||
1.278 nicm 1534: tty_fake_bce(tty, wp, 8) ||
1.70 nicm 1535: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1536: !tty_term_has(tty->term, TTYC_RI) ||
1537: ctx->wp->sx == 1 ||
1538: ctx->wp->sy == 1) {
1.14 nicm 1539: tty_redraw_region(tty, ctx);
1.1 nicm 1540: return;
1541: }
1542:
1.278 nicm 1543: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1544:
1.56 nicm 1545: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1546: tty_margin_off(tty);
1.56 nicm 1547: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1548:
1.56 nicm 1549: tty_putcode(tty, TTYC_RI);
1.1 nicm 1550: }
1551:
1552: void
1.24 nicm 1553: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1554: {
1.77 nicm 1555: struct window_pane *wp = ctx->wp;
1.1 nicm 1556:
1.56 nicm 1557: if (ctx->ocy != ctx->orlower)
1558: return;
1559:
1.309 nicm 1560: if (ctx->bigger ||
1561: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1562: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1563: !tty_term_has(tty->term, TTYC_CSR) ||
1564: wp->sx == 1 ||
1565: wp->sy == 1) {
1.236 nicm 1566: tty_redraw_region(tty, ctx);
1.1 nicm 1567: return;
1568: }
1.52 nicm 1569:
1.278 nicm 1570: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1571:
1.56 nicm 1572: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1573: tty_margin_pane(tty, ctx);
1574:
1575: /*
1.301 nicm 1576: * If we want to wrap a pane while using margins, the cursor needs to
1577: * be exactly on the right of the region. If the cursor is entirely off
1578: * the edge - move it back to the right. Some terminals are funny about
1579: * this and insert extra spaces, so only use the right if margins are
1580: * enabled.
1.212 nicm 1581: */
1.301 nicm 1582: if (ctx->xoff + ctx->ocx > tty->rright) {
1583: if (!tty_use_margin(tty))
1584: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1585: else
1586: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1587: } else
1.212 nicm 1588: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1589:
1.56 nicm 1590: tty_putc(tty, '\n');
1.240 nicm 1591: }
1592:
1593: void
1594: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1595: {
1596: struct window_pane *wp = ctx->wp;
1.284 nicm 1597: u_int i;
1.240 nicm 1598:
1.309 nicm 1599: if (ctx->bigger ||
1600: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1601: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1602: !tty_term_has(tty->term, TTYC_CSR) ||
1603: wp->sx == 1 ||
1604: wp->sy == 1) {
1.240 nicm 1605: tty_redraw_region(tty, ctx);
1606: return;
1607: }
1608:
1.278 nicm 1609: tty_default_attributes(tty, wp, ctx->bg);
1.240 nicm 1610:
1611: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1612: tty_margin_pane(tty, ctx);
1613:
1.284 nicm 1614: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1615: if (!tty_use_margin(tty))
1616: tty_cursor(tty, 0, tty->rlower);
1617: else
1618: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1619: for (i = 0; i < ctx->num; i++)
1.240 nicm 1620: tty_putc(tty, '\n');
1.301 nicm 1621: } else {
1622: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1623: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.301 nicm 1624: }
1.1 nicm 1625: }
1626:
1627: void
1.24 nicm 1628: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1629: {
1.77 nicm 1630: struct window_pane *wp = ctx->wp;
1.271 nicm 1631: u_int px, py, nx, ny;
1.1 nicm 1632:
1.210 nicm 1633: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1634:
1.271 nicm 1635: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1636: tty_margin_off(tty);
1.39 nicm 1637:
1.309 nicm 1638: px = 0;
1.271 nicm 1639: nx = screen_size_x(wp->screen);
1.309 nicm 1640: py = ctx->ocy + 1;
1.271 nicm 1641: ny = screen_size_y(wp->screen) - ctx->ocy - 1;
1642:
1.309 nicm 1643: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1644:
1.309 nicm 1645: px = ctx->ocx;
1.271 nicm 1646: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1647: py = ctx->ocy;
1.271 nicm 1648:
1.309 nicm 1649: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1650: }
1651:
1652: void
1.24 nicm 1653: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1654: {
1.77 nicm 1655: struct window_pane *wp = ctx->wp;
1.271 nicm 1656: u_int px, py, nx, ny;
1.1 nicm 1657:
1.227 nicm 1658: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1659:
1.271 nicm 1660: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1661: tty_margin_off(tty);
1.39 nicm 1662:
1.309 nicm 1663: px = 0;
1.271 nicm 1664: nx = screen_size_x(wp->screen);
1.309 nicm 1665: py = 0;
1.271 nicm 1666: ny = ctx->ocy - 1;
1667:
1.309 nicm 1668: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1669:
1.309 nicm 1670: px = 0;
1.271 nicm 1671: nx = ctx->ocx + 1;
1.309 nicm 1672: py = ctx->ocy;
1.271 nicm 1673:
1.309 nicm 1674: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1675: }
1676:
1677: void
1.24 nicm 1678: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1679: {
1.77 nicm 1680: struct window_pane *wp = ctx->wp;
1.271 nicm 1681: u_int px, py, nx, ny;
1.1 nicm 1682:
1.210 nicm 1683: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1684:
1.271 nicm 1685: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1686: tty_margin_off(tty);
1.39 nicm 1687:
1.309 nicm 1688: px = 0;
1.271 nicm 1689: nx = screen_size_x(wp->screen);
1.309 nicm 1690: py = 0;
1.271 nicm 1691: ny = screen_size_y(wp->screen);
1692:
1.309 nicm 1693: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1694: }
1695:
1696: void
1.24 nicm 1697: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1698: {
1.12 nicm 1699: struct window_pane *wp = ctx->wp;
1700: struct screen *s = wp->screen;
1701: u_int i, j;
1.4 nicm 1702:
1.309 nicm 1703: if (ctx->bigger) {
1704: wp->flags |= PANE_REDRAW;
1705: return;
1706: }
1707:
1.176 nicm 1708: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1709:
1.39 nicm 1710: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1711: tty_margin_off(tty);
1.4 nicm 1712:
1713: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1714: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1715: for (i = 0; i < screen_size_x(s); i++)
1716: tty_putc(tty, 'E');
1.1 nicm 1717: }
1718: }
1719:
1720: void
1.24 nicm 1721: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1722: {
1.309 nicm 1723: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1))
1724: return;
1725:
1726: if (ctx->xoff + ctx->ocx - ctx->ox > tty->sx - 1 &&
1.306 nicm 1727: ctx->ocy == ctx->orlower &&
1728: tty_pane_full_width(tty, ctx))
1729: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1730:
1.306 nicm 1731: tty_margin_off(tty);
1.253 nicm 1732: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1733:
1.237 nicm 1734: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1735: }
1736:
1737: void
1738: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1739: {
1.309 nicm 1740: struct window_pane *wp = ctx->wp;
1741:
1742: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1743: return;
1744:
1745: if (ctx->bigger &&
1746: (ctx->xoff + ctx->ocx < ctx->ox ||
1747: ctx->xoff + ctx->ocx + ctx->num > ctx->ox + ctx->sx)) {
1748: if (!ctx->wrapped ||
1749: !tty_pane_full_width(tty, ctx) ||
1750: (tty->term->flags & TERM_EARLYWRAP) ||
1751: ctx->xoff + ctx->ocx != 0 ||
1752: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1753: tty->cx < tty->sx ||
1754: tty->cy == tty->rlower)
1755: tty_draw_pane(tty, ctx, ctx->ocy);
1756: else
1757: wp->flags |= PANE_REDRAW;
1758: return;
1759: }
1760:
1.306 nicm 1761: tty_margin_off(tty);
1.253 nicm 1762: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1763:
1764: tty_attributes(tty, ctx->cell, ctx->wp);
1765: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1766: }
1767:
1768: void
1769: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1770: {
1771: char *buf;
1772: size_t off;
1773:
1774: if (!tty_term_has(tty->term, TTYC_MS))
1775: return;
1776:
1777: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1778: buf = xmalloc(off);
1779:
1780: b64_ntop(ctx->ptr, ctx->num, buf, off);
1781: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1782:
1.138 nicm 1783: free(buf);
1.100 nicm 1784: }
1785:
1786: void
1787: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1788: {
1.256 nicm 1789: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1790: tty_invalidate(tty);
1.1 nicm 1791: }
1792:
1.207 nicm 1793: static void
1.176 nicm 1794: tty_cell(struct tty *tty, const struct grid_cell *gc,
1795: const struct window_pane *wp)
1.1 nicm 1796: {
1.298 nicm 1797: const struct grid_cell *gcp;
1.1 nicm 1798:
1799: /* Skip last character if terminal is stupid. */
1.211 nicm 1800: if ((tty->term->flags & TERM_EARLYWRAP) &&
1801: tty->cy == tty->sy - 1 &&
1802: tty->cx == tty->sx - 1)
1.1 nicm 1803: return;
1804:
1805: /* If this is a padding character, do nothing. */
1806: if (gc->flags & GRID_FLAG_PADDING)
1807: return;
1808:
1809: /* Set the attributes. */
1.176 nicm 1810: tty_attributes(tty, gc, wp);
1.1 nicm 1811:
1.147 nicm 1812: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.298 nicm 1813: gcp = tty_check_codeset(tty, gc);
1814: if (gcp->data.size == 1) {
1815: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 1816: return;
1.298 nicm 1817: tty_putc(tty, *gcp->data.data);
1.1 nicm 1818: return;
1819: }
1820:
1.147 nicm 1821: /* Write the data. */
1.298 nicm 1822: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 1823: }
1824:
1825: void
1826: tty_reset(struct tty *tty)
1827: {
1828: struct grid_cell *gc = &tty->cell;
1829:
1.228 nicm 1830: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 1831: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 1832: tty_putcode(tty, TTYC_RMACS);
1833: tty_putcode(tty, TTYC_SGR0);
1834: memcpy(gc, &grid_default_cell, sizeof *gc);
1835: }
1.1 nicm 1836:
1.228 nicm 1837: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1838: tty->last_wp = -1;
1.242 nicm 1839: }
1840:
1841: static void
1842: tty_invalidate(struct tty *tty)
1843: {
1844: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1845:
1846: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1847: tty->last_wp = -1;
1848:
1849: tty->cx = tty->cy = UINT_MAX;
1850:
1851: tty->rupper = tty->rleft = UINT_MAX;
1852: tty->rlower = tty->rright = UINT_MAX;
1853:
1854: if (tty->flags & TTY_STARTED) {
1855: tty_putcode(tty, TTYC_SGR0);
1856:
1857: tty->mode = ALL_MODES;
1858: tty_update_mode(tty, MODE_CURSOR, NULL);
1859:
1860: tty_cursor(tty, 0, 0);
1861: tty_region_off(tty);
1862: tty_margin_off(tty);
1863: } else
1864: tty->mode = MODE_CURSOR;
1.1 nicm 1865: }
1866:
1.214 nicm 1867: /* Turn off margin. */
1868: void
1869: tty_region_off(struct tty *tty)
1870: {
1871: tty_region(tty, 0, tty->sy - 1);
1872: }
1873:
1.40 nicm 1874: /* Set region inside pane. */
1.208 nicm 1875: static void
1.196 nicm 1876: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1877: u_int rlower)
1.1 nicm 1878: {
1.309 nicm 1879: tty_region(tty, ctx->yoff + rupper - ctx->oy,
1880: ctx->yoff + rlower - ctx->oy);
1.39 nicm 1881: }
1882:
1.40 nicm 1883: /* Set region at absolute position. */
1.214 nicm 1884: static void
1.40 nicm 1885: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1886: {
1887: if (tty->rlower == rlower && tty->rupper == rupper)
1888: return;
1.1 nicm 1889: if (!tty_term_has(tty->term, TTYC_CSR))
1890: return;
1.39 nicm 1891:
1892: tty->rupper = rupper;
1893: tty->rlower = rlower;
1.55 nicm 1894:
1895: /*
1896: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1897: * 0,0 if it is beyond the last column (they do not reset their wrap
1898: * flag so further output causes a line feed). As a workaround, do an
1899: * explicit move to 0 first.
1900: */
1901: if (tty->cx >= tty->sx)
1902: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1903:
1.39 nicm 1904: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 1905: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 1906: }
1907:
1.214 nicm 1908: /* Turn off margin. */
1909: void
1910: tty_margin_off(struct tty *tty)
1911: {
1912: tty_margin(tty, 0, tty->sx - 1);
1913: }
1914:
1.212 nicm 1915: /* Set margin inside pane. */
1916: static void
1917: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
1918: {
1.309 nicm 1919: tty_margin(tty, ctx->xoff - ctx->ox,
1920: ctx->xoff + ctx->wp->sx - 1 - ctx->ox);
1.212 nicm 1921: }
1922:
1923: /* Set margin at absolute position. */
1.214 nicm 1924: static void
1.212 nicm 1925: tty_margin(struct tty *tty, u_int rleft, u_int rright)
1926: {
1927: char s[64];
1928:
1929: if (!tty_use_margin(tty))
1930: return;
1931: if (tty->rleft == rleft && tty->rright == rright)
1932: return;
1933:
1.232 nicm 1934: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 1935:
1.212 nicm 1936: tty->rleft = rleft;
1937: tty->rright = rright;
1938:
1.232 nicm 1939: if (rleft == 0 && rright == tty->sx - 1)
1940: snprintf(s, sizeof s, "\033[s");
1941: else
1942: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 1943: tty_puts(tty, s);
1.249 nicm 1944: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 1945: }
1946:
1947: /*
1948: * Move the cursor, unless it would wrap itself when the next character is
1949: * printed.
1950: */
1951: static void
1952: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
1953: u_int cx, u_int cy)
1954: {
1.268 nicm 1955: if (!ctx->wrapped ||
1956: !tty_pane_full_width(tty, ctx) ||
1.253 nicm 1957: (tty->term->flags & TERM_EARLYWRAP) ||
1958: ctx->xoff + cx != 0 ||
1959: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 1960: tty->cx < tty->sx ||
1961: tty->cy == tty->rlower)
1.253 nicm 1962: tty_cursor_pane(tty, ctx, cx, cy);
1963: else
1964: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 1965: }
1966:
1.42 nicm 1967: /* Move cursor inside pane. */
1.208 nicm 1968: static void
1.41 nicm 1969: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1970: {
1.309 nicm 1971: tty_cursor(tty, ctx->xoff + cx - ctx->ox, ctx->yoff + cy - ctx->oy);
1.41 nicm 1972: }
1973:
1.42 nicm 1974: /* Move cursor to absolute position. */
1.41 nicm 1975: void
1976: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1977: {
1.42 nicm 1978: struct tty_term *term = tty->term;
1979: u_int thisx, thisy;
1980: int change;
1.77 nicm 1981:
1.42 nicm 1982: if (cx > tty->sx - 1)
1983: cx = tty->sx - 1;
1984:
1985: thisx = tty->cx;
1986: thisy = tty->cy;
1987:
1988: /* No change. */
1989: if (cx == thisx && cy == thisy)
1990: return;
1991:
1.43 nicm 1992: /* Very end of the line, just use absolute movement. */
1993: if (thisx > tty->sx - 1)
1994: goto absolute;
1995:
1.42 nicm 1996: /* Move to home position (0, 0). */
1997: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
1998: tty_putcode(tty, TTYC_HOME);
1999: goto out;
2000: }
2001:
2002: /* Zero on the next line. */
1.293 nicm 2003: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2004: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2005: tty_putc(tty, '\r');
1.42 nicm 2006: tty_putc(tty, '\n');
2007: goto out;
2008: }
2009:
1.45 nicm 2010: /* Moving column or row. */
1.42 nicm 2011: if (cy == thisy) {
1.45 nicm 2012: /*
2013: * Moving column only, row staying the same.
2014: */
2015:
1.42 nicm 2016: /* To left edge. */
1.294 nicm 2017: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2018: tty_putc(tty, '\r');
2019: goto out;
2020: }
2021:
2022: /* One to the left. */
2023: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2024: tty_putcode(tty, TTYC_CUB1);
2025: goto out;
2026: }
2027:
2028: /* One to the right. */
2029: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2030: tty_putcode(tty, TTYC_CUF1);
2031: goto out;
2032: }
2033:
2034: /* Calculate difference. */
2035: change = thisx - cx; /* +ve left, -ve right */
2036:
2037: /*
2038: * Use HPA if change is larger than absolute, otherwise move
2039: * the cursor with CUB/CUF.
2040: */
1.87 nicm 2041: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2042: tty_putcode1(tty, TTYC_HPA, cx);
2043: goto out;
2044: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1.202 nicm 2045: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2046: tty_putcode(tty, TTYC_CUB1);
2047: tty_putcode(tty, TTYC_CUB1);
2048: goto out;
2049: }
1.42 nicm 2050: tty_putcode1(tty, TTYC_CUB, change);
2051: goto out;
2052: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
2053: tty_putcode1(tty, TTYC_CUF, -change);
2054: goto out;
2055: }
1.45 nicm 2056: } else if (cx == thisx) {
2057: /*
2058: * Moving row only, column staying the same.
2059: */
1.42 nicm 2060:
2061: /* One above. */
1.77 nicm 2062: if (thisy != tty->rupper &&
1.42 nicm 2063: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2064: tty_putcode(tty, TTYC_CUU1);
2065: goto out;
2066: }
2067:
2068: /* One below. */
1.49 nicm 2069: if (thisy != tty->rlower &&
1.42 nicm 2070: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2071: tty_putcode(tty, TTYC_CUD1);
2072: goto out;
2073: }
2074:
2075: /* Calculate difference. */
2076: change = thisy - cy; /* +ve up, -ve down */
2077:
2078: /*
1.77 nicm 2079: * Try to use VPA if change is larger than absolute or if this
2080: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2081: */
1.87 nicm 2082: if ((u_int) abs(change) > cy ||
1.42 nicm 2083: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2084: (change > 0 && cy - change < tty->rupper)) {
2085: if (tty_term_has(term, TTYC_VPA)) {
2086: tty_putcode1(tty, TTYC_VPA, cy);
2087: goto out;
2088: }
1.42 nicm 2089: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2090: tty_putcode1(tty, TTYC_CUU, change);
2091: goto out;
2092: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2093: tty_putcode1(tty, TTYC_CUD, -change);
2094: goto out;
2095: }
2096: }
2097:
1.43 nicm 2098: absolute:
1.42 nicm 2099: /* Absolute movement. */
2100: tty_putcode2(tty, TTYC_CUP, cy, cx);
2101:
2102: out:
2103: tty->cx = cx;
2104: tty->cy = cy;
1.1 nicm 2105: }
2106:
2107: void
1.176 nicm 2108: tty_attributes(struct tty *tty, const struct grid_cell *gc,
2109: const struct window_pane *wp)
1.1 nicm 2110: {
1.63 nicm 2111: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2112: int changed;
1.61 nicm 2113:
1.228 nicm 2114: /* Ignore cell if it is the same as the last one. */
2115: if (wp != NULL &&
2116: (int)wp->id == tty->last_wp &&
2117: ~(wp->window->flags & WINDOW_STYLECHANGED) &&
2118: gc->attr == tty->last_cell.attr &&
2119: gc->fg == tty->last_cell.fg &&
2120: gc->bg == tty->last_cell.bg)
2121: return;
2122: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
2123: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
2124:
2125: /* Copy cell and update default colours. */
1.85 nicm 2126: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 2127: if (wp != NULL)
2128: tty_default_colours(&gc2, wp);
1.63 nicm 2129:
1.18 nicm 2130: /*
2131: * If no setab, try to use the reverse attribute as a best-effort for a
2132: * non-default background. This is a bit of a hack but it doesn't do
2133: * any serious harm and makes a couple of applications happier.
2134: */
2135: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2136: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 ! nicm 2137: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2138: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2139: } else {
1.310 ! nicm 2140: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2141: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2142: }
2143: }
1.1 nicm 2144:
1.85 nicm 2145: /* Fix up the colours if necessary. */
1.219 nicm 2146: tty_check_fg(tty, wp, &gc2);
2147: tty_check_bg(tty, wp, &gc2);
1.85 nicm 2148:
1.64 nicm 2149: /* If any bits are being cleared, reset everything. */
1.85 nicm 2150: if (tc->attr & ~gc2.attr)
1.64 nicm 2151: tty_reset(tty);
2152:
2153: /*
2154: * Set the colours. This may call tty_reset() (so it comes next) and
2155: * may add to (NOT remove) the desired attributes by changing new_attr.
2156: */
1.85 nicm 2157: tty_colours(tty, &gc2);
1.64 nicm 2158:
1.1 nicm 2159: /* Filter out attribute bits already set. */
1.85 nicm 2160: changed = gc2.attr & ~tc->attr;
2161: tc->attr = gc2.attr;
1.1 nicm 2162:
2163: /* Set the attributes. */
2164: if (changed & GRID_ATTR_BRIGHT)
2165: tty_putcode(tty, TTYC_BOLD);
2166: if (changed & GRID_ATTR_DIM)
2167: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2168: if (changed & GRID_ATTR_ITALICS)
2169: tty_set_italics(tty);
1.308 nicm 2170: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2171: if ((changed & GRID_ATTR_UNDERSCORE) ||
2172: !tty_term_has(tty->term, TTYC_SMULX))
2173: tty_putcode(tty, TTYC_SMUL);
2174: else if (changed & GRID_ATTR_UNDERSCORE_2)
2175: tty_putcode1(tty, TTYC_SMULX, 2);
2176: else if (changed & GRID_ATTR_UNDERSCORE_3)
2177: tty_putcode1(tty, TTYC_SMULX, 3);
2178: else if (changed & GRID_ATTR_UNDERSCORE_4)
2179: tty_putcode1(tty, TTYC_SMULX, 4);
2180: else if (changed & GRID_ATTR_UNDERSCORE_5)
2181: tty_putcode1(tty, TTYC_SMULX, 5);
2182: }
1.1 nicm 2183: if (changed & GRID_ATTR_BLINK)
2184: tty_putcode(tty, TTYC_BLINK);
2185: if (changed & GRID_ATTR_REVERSE) {
2186: if (tty_term_has(tty->term, TTYC_REV))
2187: tty_putcode(tty, TTYC_REV);
2188: else if (tty_term_has(tty->term, TTYC_SMSO))
2189: tty_putcode(tty, TTYC_SMSO);
2190: }
2191: if (changed & GRID_ATTR_HIDDEN)
2192: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2193: if (changed & GRID_ATTR_STRIKETHROUGH)
2194: tty_putcode(tty, TTYC_SMXX);
1.285 nicm 2195: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2196: tty_putcode(tty, TTYC_SMACS);
2197: }
2198:
1.207 nicm 2199: static void
1.85 nicm 2200: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2201: {
1.61 nicm 2202: struct grid_cell *tc = &tty->cell;
1.204 nicm 2203: int have_ax;
1.61 nicm 2204:
2205: /* No changes? Nothing is necessary. */
1.204 nicm 2206: if (gc->fg == tc->fg && gc->bg == tc->bg)
1.63 nicm 2207: return;
1.1 nicm 2208:
1.61 nicm 2209: /*
2210: * Is either the default colour? This is handled specially because the
2211: * best solution might be to reset both colours to default, in which
2212: * case if only one is default need to fall onward to set the other
2213: * colour.
2214: */
1.310 ! nicm 2215: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2216: /*
2217: * If don't have AX but do have op, send sgr0 (op can't
2218: * actually be used because it is sometimes the same as sgr0
2219: * and sometimes isn't). This resets both colours to default.
2220: *
2221: * Otherwise, try to set the default colour only as needed.
2222: */
1.174 nicm 2223: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2224: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2225: tty_reset(tty);
2226: else {
1.310 ! nicm 2227: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2228: if (have_ax)
2229: tty_puts(tty, "\033[39m");
1.204 nicm 2230: else if (tc->fg != 7)
1.61 nicm 2231: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 ! nicm 2232: tc->fg = gc->fg;
1.61 nicm 2233: }
1.310 ! nicm 2234: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2235: if (have_ax)
1.61 nicm 2236: tty_puts(tty, "\033[49m");
1.204 nicm 2237: else if (tc->bg != 0)
1.61 nicm 2238: tty_putcode1(tty, TTYC_SETAB, 0);
1.310 ! nicm 2239: tc->bg = gc->fg;
1.61 nicm 2240: }
2241: }
2242: }
1.1 nicm 2243:
1.61 nicm 2244: /* Set the foreground colour. */
1.310 ! nicm 2245: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2246: tty_colours_fg(tty, gc);
1.1 nicm 2247:
1.61 nicm 2248: /*
2249: * Set the background colour. This must come after the foreground as
2250: * tty_colour_fg() can call tty_reset().
2251: */
1.310 ! nicm 2252: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2253: tty_colours_bg(tty, gc);
1.1 nicm 2254: }
2255:
1.219 nicm 2256: static void
2257: tty_check_fg(struct tty *tty, const struct window_pane *wp,
2258: struct grid_cell *gc)
1.85 nicm 2259: {
1.204 nicm 2260: u_char r, g, b;
2261: u_int colours;
1.223 nicm 2262: int c;
1.85 nicm 2263:
1.288 nicm 2264: /*
2265: * Perform substitution if this pane has a palette. If the bright
2266: * attribute is set, use the bright entry in the palette by changing to
2267: * the aixterm colour.
2268: */
2269: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2270: c = gc->fg;
1.289 nicm 2271: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2272: c += 90;
2273: if ((c = window_pane_get_palette(wp, c)) != -1)
2274: gc->fg = c;
2275: }
1.219 nicm 2276:
1.199 nicm 2277: /* Is this a 24-bit colour? */
1.204 nicm 2278: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2279: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.286 nicm 2280: if (!tty_term_has(tty->term, TTYC_SETRGBF)) {
1.204 nicm 2281: colour_split_rgb(gc->fg, &r, &g, &b);
2282: gc->fg = colour_find_rgb(r, g, b);
2283: } else
1.200 nicm 2284: return;
1.199 nicm 2285: }
1.224 nicm 2286:
2287: /* How many colours does this terminal have? */
2288: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2289: colours = 256;
2290: else
2291: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2292:
1.85 nicm 2293: /* Is this a 256-colour colour? */
1.204 nicm 2294: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2295: /* And not a 256 colour mode? */
1.224 nicm 2296: if (colours != 256) {
1.85 nicm 2297: gc->fg = colour_256to16(gc->fg);
2298: if (gc->fg & 8) {
2299: gc->fg &= 7;
1.175 nicm 2300: if (colours >= 16)
2301: gc->fg += 90;
2302: else
2303: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 2304: } else
2305: gc->attr &= ~GRID_ATTR_BRIGHT;
2306: }
2307: return;
2308: }
2309:
2310: /* Is this an aixterm colour? */
2311: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2312: gc->fg -= 90;
2313: gc->attr |= GRID_ATTR_BRIGHT;
2314: }
2315: }
2316:
1.219 nicm 2317: static void
2318: tty_check_bg(struct tty *tty, const struct window_pane *wp,
2319: struct grid_cell *gc)
1.85 nicm 2320: {
1.204 nicm 2321: u_char r, g, b;
2322: u_int colours;
1.223 nicm 2323: int c;
1.85 nicm 2324:
1.288 nicm 2325: /* Perform substitution if this pane has a palette. */
2326: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2327: if ((c = window_pane_get_palette(wp, gc->bg)) != -1)
2328: gc->bg = c;
2329: }
1.219 nicm 2330:
1.199 nicm 2331: /* Is this a 24-bit colour? */
1.204 nicm 2332: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2333: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.286 nicm 2334: if (!tty_term_has(tty->term, TTYC_SETRGBB)) {
1.204 nicm 2335: colour_split_rgb(gc->bg, &r, &g, &b);
2336: gc->bg = colour_find_rgb(r, g, b);
2337: } else
1.200 nicm 2338: return;
1.199 nicm 2339: }
1.224 nicm 2340:
2341: /* How many colours does this terminal have? */
2342: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2343: colours = 256;
2344: else
2345: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2346:
1.85 nicm 2347: /* Is this a 256-colour colour? */
1.204 nicm 2348: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2349: /*
2350: * And not a 256 colour mode? Translate to 16-colour
2351: * palette. Bold background doesn't exist portably, so just
2352: * discard the bold bit if set.
2353: */
1.224 nicm 2354: if (colours != 256) {
1.85 nicm 2355: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2356: if (gc->bg & 8) {
1.85 nicm 2357: gc->bg &= 7;
1.175 nicm 2358: if (colours >= 16)
2359: gc->fg += 90;
2360: }
1.85 nicm 2361: }
2362: return;
2363: }
2364:
2365: /* Is this an aixterm colour? */
1.175 nicm 2366: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2367: gc->bg -= 90;
2368: }
2369:
1.207 nicm 2370: static void
1.85 nicm 2371: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2372: {
1.61 nicm 2373: struct grid_cell *tc = &tty->cell;
1.79 nicm 2374: char s[32];
1.1 nicm 2375:
1.204 nicm 2376: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2377: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2378: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 2379: goto save_fg;
1.199 nicm 2380: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2381: return;
1.1 nicm 2382: }
2383:
1.79 nicm 2384: /* Is this an aixterm bright colour? */
1.204 nicm 2385: if (gc->fg >= 90 && gc->fg <= 97) {
2386: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
1.85 nicm 2387: tty_puts(tty, s);
2388: goto save_fg;
1.79 nicm 2389: }
2390:
1.61 nicm 2391: /* Otherwise set the foreground colour. */
1.204 nicm 2392: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2393:
1.77 nicm 2394: save_fg:
1.61 nicm 2395: /* Save the new values in the terminal current cell. */
1.204 nicm 2396: tc->fg = gc->fg;
1.1 nicm 2397: }
2398:
1.207 nicm 2399: static void
1.73 nicm 2400: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2401: {
1.61 nicm 2402: struct grid_cell *tc = &tty->cell;
1.79 nicm 2403: char s[32];
1.1 nicm 2404:
1.204 nicm 2405: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2406: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2407: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 2408: goto save_bg;
1.199 nicm 2409: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2410: return;
1.79 nicm 2411: }
2412:
2413: /* Is this an aixterm bright colour? */
1.204 nicm 2414: if (gc->bg >= 90 && gc->bg <= 97) {
2415: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
1.175 nicm 2416: tty_puts(tty, s);
2417: goto save_bg;
1.1 nicm 2418: }
2419:
1.61 nicm 2420: /* Otherwise set the background colour. */
1.204 nicm 2421: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2422:
2423: save_bg:
2424: /* Save the new values in the terminal current cell. */
1.204 nicm 2425: tc->bg = gc->bg;
1.61 nicm 2426: }
2427:
1.207 nicm 2428: static int
1.204 nicm 2429: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2430: {
1.204 nicm 2431: u_char r, g, b;
1.61 nicm 2432: char s[32];
2433:
1.204 nicm 2434: if (colour & COLOUR_FLAG_256) {
2435: /*
1.300 nicm 2436: * If the user has specified -2 to the client (meaning
2437: * TERM_256COLOURS is set), setaf and setab may not work (or
2438: * they may not want to use them), so send the usual sequence.
2439: *
2440: * Also if RGB is set, setaf and setab do not support the 256
2441: * colour palette so use the sequences directly there too.
1.204 nicm 2442: */
1.300 nicm 2443: if ((tty->term_flags & TERM_256COLOURS) ||
2444: tty_term_has(tty->term, TTYC_RGB))
1.204 nicm 2445: goto fallback_256;
1.189 nicm 2446:
1.204 nicm 2447: /*
2448: * If the terminfo entry has 256 colours and setaf and setab
2449: * exist, assume that they work correctly.
2450: */
2451: if (tty->term->flags & TERM_256COLOURS) {
2452: if (*type == '3') {
2453: if (!tty_term_has(tty->term, TTYC_SETAF))
2454: goto fallback_256;
2455: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2456: } else {
2457: if (!tty_term_has(tty->term, TTYC_SETAB))
2458: goto fallback_256;
2459: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2460: }
2461: return (0);
1.188 nicm 2462: }
1.204 nicm 2463: goto fallback_256;
2464: }
2465:
2466: if (colour & COLOUR_FLAG_RGB) {
1.286 nicm 2467: if (*type == '3') {
2468: if (!tty_term_has(tty->term, TTYC_SETRGBF))
2469: return (-1);
2470: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
2471: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
2472: } else {
2473: if (!tty_term_has(tty->term, TTYC_SETRGBB))
2474: return (-1);
2475: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
2476: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
2477: }
1.165 nicm 2478: return (0);
2479: }
1.61 nicm 2480:
1.165 nicm 2481: return (-1);
1.188 nicm 2482:
1.204 nicm 2483: fallback_256:
2484: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.300 nicm 2485: log_debug("%s: 256 colour fallback: %s", tty->client->name, s);
1.188 nicm 2486: tty_puts(tty, s);
2487: return (0);
1.176 nicm 2488: }
2489:
1.207 nicm 2490: static void
1.176 nicm 2491: tty_default_colours(struct grid_cell *gc, const struct window_pane *wp)
2492: {
1.203 nicm 2493: struct window *w = wp->window;
2494: struct options *oo = w->options;
2495: const struct grid_cell *agc, *pgc, *wgc;
1.223 nicm 2496: int c;
1.203 nicm 2497:
2498: if (w->flags & WINDOW_STYLECHANGED) {
2499: w->flags &= ~WINDOW_STYLECHANGED;
2500: agc = options_get_style(oo, "window-active-style");
2501: memcpy(&w->active_style, agc, sizeof w->active_style);
2502: wgc = options_get_style(oo, "window-style");
2503: memcpy(&w->style, wgc, sizeof w->style);
2504: } else {
2505: agc = &w->active_style;
2506: wgc = &w->style;
2507: }
1.176 nicm 2508: pgc = &wp->colgc;
2509:
1.204 nicm 2510: if (gc->fg == 8) {
2511: if (pgc->fg != 8)
1.176 nicm 2512: gc->fg = pgc->fg;
1.204 nicm 2513: else if (wp == w->active && agc->fg != 8)
1.176 nicm 2514: gc->fg = agc->fg;
1.204 nicm 2515: else
1.176 nicm 2516: gc->fg = wgc->fg;
1.219 nicm 2517:
1.310 ! nicm 2518: if (gc->fg != 8) {
! 2519: c = window_pane_get_palette(wp, gc->fg);
! 2520: if (c != -1)
! 2521: gc->fg = c;
! 2522: }
1.176 nicm 2523: }
2524:
1.204 nicm 2525: if (gc->bg == 8) {
2526: if (pgc->bg != 8)
1.176 nicm 2527: gc->bg = pgc->bg;
1.204 nicm 2528: else if (wp == w->active && agc->bg != 8)
1.176 nicm 2529: gc->bg = agc->bg;
1.204 nicm 2530: else
1.176 nicm 2531: gc->bg = wgc->bg;
1.219 nicm 2532:
1.310 ! nicm 2533: if (gc->bg != 8) {
! 2534: c = window_pane_get_palette(wp, gc->bg);
! 2535: if (c != -1)
! 2536: gc->bg = c;
! 2537: }
1.176 nicm 2538: }
1.210 nicm 2539: }
2540:
2541: static void
2542: tty_default_attributes(struct tty *tty, const struct window_pane *wp, u_int bg)
2543: {
2544: static struct grid_cell gc;
2545:
2546: memcpy(&gc, &grid_default_cell, sizeof gc);
2547: gc.bg = bg;
2548: tty_attributes(tty, &gc, wp);
1.1 nicm 2549: }
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