Annotation of src/usr.bin/tmux/tty.c, Revision 1.326
1.326 ! nicm 1: /* $OpenBSD: tty.c,v 1.325 2019/05/30 07:42:41 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 *);
1.317 nicm 48: static void tty_check_fg(struct tty *, struct window_pane *,
1.219 nicm 49: struct grid_cell *);
1.317 nicm 50: static void tty_check_bg(struct tty *, struct window_pane *,
1.219 nicm 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 *);
1.317 nicm 61: static int tty_fake_bce(const struct tty *, struct window_pane *, u_int);
1.207 nicm 62: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
63: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
64: enum tty_code_code, u_int);
65: static void tty_repeat_space(struct tty *, u_int);
1.309 nicm 66: static void tty_draw_pane(struct tty *, const struct tty_ctx *, u_int);
1.207 nicm 67: static void tty_cell(struct tty *, const struct grid_cell *,
1.317 nicm 68: struct window_pane *);
69: static void tty_default_colours(struct grid_cell *, struct window_pane *);
70: static void tty_default_attributes(struct tty *, struct window_pane *,
1.210 nicm 71: u_int);
1.1 nicm 72:
1.212 nicm 73: #define tty_use_margin(tty) \
1.265 nicm 74: ((tty)->term_type == TTY_VT420)
1.90 nicm 75:
1.264 nicm 76: #define tty_pane_full_width(tty, ctx) \
1.132 nicm 77: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
78:
1.266 nicm 79: #define TTY_BLOCK_INTERVAL (100000 /* 100 milliseconds */)
80: #define TTY_BLOCK_START(tty) (1 + ((tty)->sx * (tty)->sy) * 8)
81: #define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
82:
1.192 nicm 83: void
84: tty_create_log(void)
85: {
86: char name[64];
87:
88: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
89:
90: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
91: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
92: fatal("fcntl failed");
93: }
94:
1.185 nicm 95: int
1.136 nicm 96: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 97: {
1.185 nicm 98: if (!isatty(fd))
99: return (-1);
100:
1.30 nicm 101: memset(tty, 0, sizeof *tty);
1.22 nicm 102:
1.9 nicm 103: if (term == NULL || *term == '\0')
1.220 nicm 104: tty->term_name = xstrdup("unknown");
1.1 nicm 105: else
1.220 nicm 106: tty->term_name = xstrdup(term);
1.258 nicm 107:
1.30 nicm 108: tty->fd = fd;
1.136 nicm 109: tty->client = c;
1.30 nicm 110:
1.108 nicm 111: tty->cstyle = 0;
1.107 nicm 112: tty->ccolour = xstrdup("");
1.30 nicm 113:
1.1 nicm 114: tty->flags = 0;
1.212 nicm 115:
1.1 nicm 116: tty->term_flags = 0;
1.212 nicm 117: tty->term_type = TTY_UNKNOWN;
1.185 nicm 118:
119: return (0);
1.31 nicm 120: }
121:
1.287 nicm 122: void
1.31 nicm 123: tty_resize(struct tty *tty)
124: {
1.258 nicm 125: struct client *c = tty->client;
126: struct winsize ws;
127: u_int sx, sy;
1.31 nicm 128:
129: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 130: sx = ws.ws_col;
131: if (sx == 0)
132: sx = 80;
133: sy = ws.ws_row;
134: if (sy == 0)
135: sy = 24;
136: } else {
137: sx = 80;
138: sy = 24;
1.31 nicm 139: }
1.258 nicm 140: log_debug("%s: %s now %ux%u", __func__, c->name, sx, sy);
1.287 nicm 141: tty_set_size(tty, sx, sy);
1.242 nicm 142: tty_invalidate(tty);
1.114 nicm 143: }
144:
1.287 nicm 145: void
1.212 nicm 146: tty_set_size(struct tty *tty, u_int sx, u_int sy)
147: {
1.114 nicm 148: tty->sx = sx;
149: tty->sy = sy;
1.1 nicm 150: }
151:
1.244 nicm 152: static void
153: tty_read_callback(__unused int fd, __unused short events, void *data)
154: {
155: struct tty *tty = data;
1.258 nicm 156: struct client *c = tty->client;
1.244 nicm 157: size_t size = EVBUFFER_LENGTH(tty->in);
158: int nread;
159:
160: nread = evbuffer_read(tty->in, tty->fd, -1);
1.295 nicm 161: if (nread == 0 || nread == -1) {
1.290 nicm 162: event_del(&tty->event_in);
1.295 nicm 163: server_client_lost(tty->client);
1.244 nicm 164: return;
1.290 nicm 165: }
1.258 nicm 166: log_debug("%s: read %d bytes (already %zu)", c->name, nread, size);
1.244 nicm 167:
168: while (tty_keys_next(tty))
169: ;
170: }
171:
172: static void
1.266 nicm 173: tty_timer_callback(__unused int fd, __unused short events, void *data)
174: {
175: struct tty *tty = data;
176: struct client *c = tty->client;
177: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
178:
179: log_debug("%s: %zu discarded", c->name, tty->discarded);
180:
1.305 nicm 181: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.266 nicm 182: c->discarded += tty->discarded;
183:
184: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
185: tty->flags &= ~TTY_BLOCK;
186: tty_invalidate(tty);
187: return;
188: }
189: tty->discarded = 0;
190: evtimer_add(&tty->timer, &tv);
191: }
192:
193: static int
194: tty_block_maybe(struct tty *tty)
195: {
196: struct client *c = tty->client;
197: size_t size = EVBUFFER_LENGTH(tty->out);
198: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
199:
200: if (size < TTY_BLOCK_START(tty))
201: return (0);
202:
203: if (tty->flags & TTY_BLOCK)
204: return (1);
205: tty->flags |= TTY_BLOCK;
206:
207: log_debug("%s: can't keep up, %zu discarded", c->name, size);
208:
209: evbuffer_drain(tty->out, size);
210: c->discarded += size;
211:
212: tty->discarded = 0;
213: evtimer_add(&tty->timer, &tv);
214: return (1);
215: }
216:
217: static void
1.244 nicm 218: tty_write_callback(__unused int fd, __unused short events, void *data)
219: {
1.246 nicm 220: struct tty *tty = data;
1.258 nicm 221: struct client *c = tty->client;
1.246 nicm 222: size_t size = EVBUFFER_LENGTH(tty->out);
223: int nwrite;
1.244 nicm 224:
225: nwrite = evbuffer_write(tty->out, tty->fd);
226: if (nwrite == -1)
227: return;
1.258 nicm 228: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 229:
1.270 nicm 230: if (c->redraw > 0) {
231: if ((size_t)nwrite >= c->redraw)
232: c->redraw = 0;
233: else
234: c->redraw -= nwrite;
235: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
236: c->redraw);
237: } else if (tty_block_maybe(tty))
1.266 nicm 238: return;
239:
1.247 nicm 240: if (EVBUFFER_LENGTH(tty->out) != 0)
241: event_add(&tty->event_out, NULL);
1.244 nicm 242: }
243:
1.1 nicm 244: int
1.166 nicm 245: tty_open(struct tty *tty, char **cause)
1.1 nicm 246: {
1.220 nicm 247: tty->term = tty_term_find(tty->term_name, tty->fd, cause);
1.21 nicm 248: if (tty->term == NULL) {
249: tty_close(tty);
250: return (-1);
251: }
252: tty->flags |= TTY_OPENED;
1.1 nicm 253:
1.266 nicm 254: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 255:
256: event_set(&tty->event_in, tty->fd, EV_PERSIST|EV_READ,
257: tty_read_callback, tty);
258: tty->in = evbuffer_new();
1.311 nicm 259: if (tty->in == NULL)
260: fatal("out of memory");
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();
1.311 nicm 264: if (tty->out == NULL)
265: fatal("out of memory");
1.1 nicm 266:
1.266 nicm 267: evtimer_set(&tty->timer, tty_timer_callback, tty);
268:
1.1 nicm 269: tty_start_tty(tty);
270:
1.148 nicm 271: tty_keys_build(tty);
1.1 nicm 272:
273: return (0);
274: }
275:
1.244 nicm 276: void
277: tty_start_tty(struct tty *tty)
1.1 nicm 278: {
1.285 nicm 279: struct client *c = tty->client;
280: struct termios tio;
1.33 nicm 281:
1.244 nicm 282: if (tty->fd != -1 && tcgetattr(tty->fd, &tty->tio) == 0) {
283: setblocking(tty->fd, 0);
284: event_add(&tty->event_in, NULL);
285:
286: memcpy(&tio, &tty->tio, sizeof tio);
287: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
288: tio.c_iflag |= IGNBRK;
289: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
290: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
291: ECHOPRT|ECHOKE|ISIG);
292: tio.c_cc[VMIN] = 1;
293: tio.c_cc[VTIME] = 0;
294: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
295: tcflush(tty->fd, TCIOFLUSH);
296: }
1.1 nicm 297:
1.10 nicm 298: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 299:
1.252 nicm 300: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 301: tty_putcode(tty, TTYC_CLEAR);
302:
303: if (tty_acs_needed(tty)) {
304: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 305: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 306: } else
307: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 308:
309: tty_putcode(tty, TTYC_CNORM);
310: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 311: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.121 nicm 312:
1.189 nicm 313: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 314: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 315: tty->flags |= TTY_FOCUS;
316: tty_puts(tty, "\033[?1004h");
317: }
1.265 nicm 318: tty_puts(tty, "\033[c");
1.162 nicm 319: }
1.1 nicm 320:
1.20 nicm 321: tty->flags |= TTY_STARTED;
1.242 nicm 322: tty_invalidate(tty);
1.107 nicm 323:
324: tty_force_cursor_colour(tty, "");
1.177 nicm 325:
326: tty->mouse_drag_flag = 0;
327: tty->mouse_drag_update = NULL;
328: tty->mouse_drag_release = NULL;
1.128 nicm 329: }
330:
331: void
1.1 nicm 332: tty_stop_tty(struct tty *tty)
333: {
334: struct winsize ws;
335:
1.20 nicm 336: if (!(tty->flags & TTY_STARTED))
337: return;
338: tty->flags &= ~TTY_STARTED;
339:
1.266 nicm 340: event_del(&tty->timer);
341: tty->flags &= ~TTY_BLOCK;
342:
1.244 nicm 343: event_del(&tty->event_in);
344: event_del(&tty->event_out);
1.66 nicm 345:
1.1 nicm 346: /*
347: * Be flexible about error handling and try not kill the server just
348: * because the fd is invalid. Things like ssh -t can easily leave us
349: * with a dead tty.
350: */
351: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
352: return;
353: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
354: return;
355:
356: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 357: if (tty_acs_needed(tty))
1.90 nicm 358: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 359: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
360: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
361: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 362: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
363: if (tty_term_has(tty->term, TTYC_SE))
364: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 365: else
1.160 nicm 366: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 367: }
1.173 nicm 368: if (tty->mode & MODE_BRACKETPASTE)
369: tty_raw(tty, "\033[?2004l");
1.107 nicm 370: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 371:
372: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
373: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 374: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.151 nicm 375:
1.189 nicm 376: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 377: if (tty->flags & TTY_FOCUS) {
378: tty->flags &= ~TTY_FOCUS;
1.172 nicm 379: tty_raw(tty, "\033[?1004l");
1.162 nicm 380: }
381: }
1.10 nicm 382:
1.212 nicm 383: if (tty_use_margin(tty))
384: tty_raw(tty, "\033[?69l"); /* DECLRMM */
1.10 nicm 385: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 386:
387: setblocking(tty->fd, 1);
1.1 nicm 388: }
389:
390: void
1.20 nicm 391: tty_close(struct tty *tty)
1.1 nicm 392: {
1.123 nicm 393: if (event_initialized(&tty->key_timer))
394: evtimer_del(&tty->key_timer);
1.20 nicm 395: tty_stop_tty(tty);
1.1 nicm 396:
1.21 nicm 397: if (tty->flags & TTY_OPENED) {
1.244 nicm 398: evbuffer_free(tty->in);
399: event_del(&tty->event_in);
400: evbuffer_free(tty->out);
401: event_del(&tty->event_out);
1.66 nicm 402:
1.21 nicm 403: tty_term_free(tty->term);
404: tty_keys_free(tty);
405:
406: tty->flags &= ~TTY_OPENED;
407: }
1.1 nicm 408:
1.21 nicm 409: if (tty->fd != -1) {
410: close(tty->fd);
411: tty->fd = -1;
412: }
1.1 nicm 413: }
414:
415: void
1.20 nicm 416: tty_free(struct tty *tty)
1.1 nicm 417: {
1.20 nicm 418: tty_close(tty);
1.1 nicm 419:
1.138 nicm 420: free(tty->ccolour);
1.220 nicm 421: free(tty->term_name);
1.1 nicm 422: }
423:
424: void
1.212 nicm 425: tty_set_type(struct tty *tty, int type)
426: {
427: tty->term_type = type;
428:
429: if (tty_use_margin(tty))
430: tty_puts(tty, "\033[?69h"); /* DECLRMM */
431: }
432:
433: void
1.1 nicm 434: tty_raw(struct tty *tty, const char *s)
435: {
1.150 nicm 436: ssize_t n, slen;
437: u_int i;
438:
439: slen = strlen(s);
440: for (i = 0; i < 5; i++) {
441: n = write(tty->fd, s, slen);
442: if (n >= 0) {
443: s += n;
444: slen -= n;
445: if (slen == 0)
446: break;
447: } else if (n == -1 && errno != EAGAIN)
448: break;
449: usleep(100);
450: }
1.1 nicm 451: }
452:
453: void
454: tty_putcode(struct tty *tty, enum tty_code_code code)
455: {
456: tty_puts(tty, tty_term_string(tty->term, code));
457: }
458:
459: void
460: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
461: {
462: if (a < 0)
463: return;
464: tty_puts(tty, tty_term_string1(tty->term, code, a));
465: }
466:
467: void
468: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
469: {
470: if (a < 0 || b < 0)
471: return;
472: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
473: }
474:
475: void
1.286 nicm 476: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
477: {
478: if (a < 0 || b < 0 || c < 0)
479: return;
480: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
481: }
482:
483: void
1.107 nicm 484: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
485: {
486: if (a != NULL)
487: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
488: }
489:
490: void
1.167 nicm 491: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
492: const void *b)
1.106 nicm 493: {
494: if (a != NULL && b != NULL)
495: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
496: }
497:
1.243 nicm 498: static void
499: tty_add(struct tty *tty, const char *buf, size_t len)
500: {
1.258 nicm 501: struct client *c = tty->client;
502:
1.266 nicm 503: if (tty->flags & TTY_BLOCK) {
504: tty->discarded += len;
505: return;
506: }
507:
1.244 nicm 508: evbuffer_add(tty->out, buf, len);
1.270 nicm 509: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 510: c->written += len;
1.243 nicm 511:
512: if (tty_log_fd != -1)
513: write(tty_log_fd, buf, len);
1.244 nicm 514: if (tty->flags & TTY_STARTED)
515: event_add(&tty->event_out, NULL);
1.243 nicm 516: }
517:
1.106 nicm 518: void
1.1 nicm 519: tty_puts(struct tty *tty, const char *s)
520: {
1.243 nicm 521: if (*s != '\0')
522: tty_add(tty, s, strlen(s));
1.1 nicm 523: }
524:
525: void
526: tty_putc(struct tty *tty, u_char ch)
527: {
1.90 nicm 528: const char *acs;
1.1 nicm 529:
1.325 nicm 530: if ((tty->term->flags & TERM_EARLYWRAP) &&
531: ch >= 0x20 && ch != 0x7f &&
532: tty->cy == tty->sy - 1 &&
533: tty->cx + 1 >= tty->sx)
534: return;
535:
1.90 nicm 536: if (tty->cell.attr & GRID_ATTR_CHARSET) {
537: acs = tty_acs_get(tty, ch);
1.243 nicm 538: if (acs != NULL)
539: tty_add(tty, acs, strlen(acs));
540: else
541: tty_add(tty, &ch, 1);
542: } else
543: tty_add(tty, &ch, 1);
1.1 nicm 544:
545: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 546: if (tty->cx >= tty->sx) {
1.46 nicm 547: tty->cx = 1;
548: if (tty->cy != tty->rlower)
549: tty->cy++;
1.211 nicm 550:
551: /*
552: * On !xenl terminals, force the cursor position to
553: * where we think it should be after a line wrap - this
554: * means it works on sensible terminals as well.
555: */
556: if (tty->term->flags & TERM_EARLYWRAP)
557: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 558: } else
559: tty->cx++;
560: }
561: }
562:
563: void
1.147 nicm 564: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 565: {
1.325 nicm 566: if ((tty->term->flags & TERM_EARLYWRAP) &&
567: tty->cy == tty->sy - 1 &&
568: tty->cx + len >= tty->sx)
569: len = tty->sx - tty->cx - 1;
570:
1.243 nicm 571: tty_add(tty, buf, len);
1.268 nicm 572: if (tty->cx + width > tty->sx) {
573: tty->cx = (tty->cx + width) - tty->sx;
574: if (tty->cx <= tty->sx)
575: tty->cy++;
576: else
577: tty->cx = tty->cy = UINT_MAX;
578: } else
1.254 nicm 579: tty->cx += width;
1.5 nicm 580: }
581:
1.207 nicm 582: static void
1.180 nicm 583: tty_set_italics(struct tty *tty)
584: {
585: const char *s;
586:
587: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 588: s = options_get_string(global_options, "default-terminal");
1.180 nicm 589: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
590: tty_putcode(tty, TTYC_SITM);
591: return;
592: }
593: }
594: tty_putcode(tty, TTYC_SMSO);
595: }
596:
597: void
1.1 nicm 598: tty_set_title(struct tty *tty, const char *title)
599: {
1.105 nicm 600: if (!tty_term_has(tty->term, TTYC_TSL) ||
601: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 602: return;
603:
1.105 nicm 604: tty_putcode(tty, TTYC_TSL);
1.1 nicm 605: tty_puts(tty, title);
1.105 nicm 606: tty_putcode(tty, TTYC_FSL);
1.1 nicm 607: }
608:
1.208 nicm 609: static void
1.107 nicm 610: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
611: {
612: if (*ccolour == '\0')
613: tty_putcode(tty, TTYC_CR);
614: else
1.160 nicm 615: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 616: free(tty->ccolour);
1.107 nicm 617: tty->ccolour = xstrdup(ccolour);
618: }
619:
620: void
621: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 622: {
623: int changed;
624:
1.197 nicm 625: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 626: tty_force_cursor_colour(tty, s->ccolour);
627:
1.1 nicm 628: if (tty->flags & TTY_NOCURSOR)
629: mode &= ~MODE_CURSOR;
630:
631: changed = mode ^ tty->mode;
1.183 nicm 632: if (changed & MODE_BLINKING) {
633: if (tty_term_has(tty->term, TTYC_CVVIS))
634: tty_putcode(tty, TTYC_CVVIS);
635: else
636: tty_putcode(tty, TTYC_CNORM);
637: changed |= MODE_CURSOR;
638: }
639: if (changed & MODE_CURSOR) {
640: if (mode & MODE_CURSOR)
641: tty_putcode(tty, TTYC_CNORM);
642: else
1.1 nicm 643: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 644: }
1.181 nicm 645: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 646: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 647: if (s->cstyle == 0 &&
1.160 nicm 648: tty_term_has(tty->term, TTYC_SE))
649: tty_putcode(tty, TTYC_SE);
1.108 nicm 650: else
1.160 nicm 651: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 652: }
653: tty->cstyle = s->cstyle;
1.1 nicm 654: }
1.195 nicm 655: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 656: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 657: /*
658: * Enable the SGR (1006) extension unconditionally, as
1.221 nicm 659: * it is safe from misinterpretation.
1.153 nicm 660: */
661: tty_puts(tty, "\033[?1006h");
1.225 nicm 662: if (mode & MODE_MOUSE_ALL)
663: tty_puts(tty, "\033[?1003h");
664: else if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 665: tty_puts(tty, "\033[?1002h");
1.98 nicm 666: else if (mode & MODE_MOUSE_STANDARD)
667: tty_puts(tty, "\033[?1000h");
1.86 nicm 668: } else {
1.225 nicm 669: if (tty->mode & MODE_MOUSE_ALL)
670: tty_puts(tty, "\033[?1003l");
671: else if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 672: tty_puts(tty, "\033[?1002l");
1.98 nicm 673: else if (tty->mode & MODE_MOUSE_STANDARD)
674: tty_puts(tty, "\033[?1000l");
1.153 nicm 675: tty_puts(tty, "\033[?1006l");
1.86 nicm 676: }
1.115 nicm 677: }
678: if (changed & MODE_BRACKETPASTE) {
679: if (mode & MODE_BRACKETPASTE)
680: tty_puts(tty, "\033[?2004h");
681: else
682: tty_puts(tty, "\033[?2004l");
1.1 nicm 683: }
684: tty->mode = mode;
685: }
686:
1.207 nicm 687: static void
1.168 nicm 688: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
689: enum tty_code_code code1, u_int n)
1.1 nicm 690: {
691: if (tty_term_has(tty->term, code))
692: tty_putcode1(tty, code, n);
693: else {
694: while (n-- > 0)
695: tty_putcode(tty, code1);
696: }
697: }
698:
1.207 nicm 699: static void
1.133 nicm 700: tty_repeat_space(struct tty *tty, u_int n)
701: {
1.257 nicm 702: static char s[500];
703:
704: if (*s != ' ')
705: memset(s, ' ', sizeof s);
706:
707: while (n > sizeof s) {
708: tty_putn(tty, s, sizeof s, sizeof s);
709: n -= sizeof s;
710: }
711: if (n != 0)
712: tty_putn(tty, s, n, n);
1.304 nicm 713: }
714:
1.309 nicm 715: /* Is this window bigger than the terminal? */
716: int
717: tty_window_bigger(struct tty *tty)
718: {
719: struct client *c = tty->client;
720: struct window *w = c->session->curw->window;
721:
722: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
723: }
724:
725: /* What offset should this window be drawn at? */
726: int
727: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
728: {
729: *ox = tty->oox;
730: *oy = tty->ooy;
731: *sx = tty->osx;
732: *sy = tty->osy;
733:
734: return (tty->oflag);
735: }
736:
737: /* What offset should this window be drawn at? */
738: static int
739: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
740: {
741: struct client *c = tty->client;
742: struct window *w = c->session->curw->window;
743: struct window_pane *wp = w->active;
744: u_int cx, cy, lines;
745:
746: lines = status_line_size(c);
747:
748: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
749: *ox = 0;
750: *oy = 0;
751: *sx = w->sx;
752: *sy = w->sy;
753:
754: c->pan_window = NULL;
755: return (0);
756: }
757:
758: *sx = tty->sx;
759: *sy = tty->sy - lines;
760:
761: if (c->pan_window == w) {
762: if (*sx >= w->sx)
763: c->pan_ox = 0;
764: else if (c->pan_ox + *sx > w->sx)
765: c->pan_ox = w->sx - *sx;
766: *ox = c->pan_ox;
767: if (*sy >= w->sy)
768: c->pan_oy = 0;
769: else if (c->pan_oy + *sy > w->sy)
770: c->pan_oy = w->sy - *sy;
771: *oy = c->pan_oy;
772: return (1);
773: }
774:
775: if (~wp->screen->mode & MODE_CURSOR) {
776: *ox = 0;
777: *oy = 0;
778: } else {
779: cx = wp->xoff + wp->screen->cx;
780: cy = wp->yoff + wp->screen->cy;
781:
782: if (cx < *sx)
783: *ox = 0;
784: else if (cx > w->sx - *sx)
785: *ox = w->sx - *sx;
786: else
787: *ox = cx - *sx / 2;
788:
789: if (cy < *sy)
790: *oy = 0;
791: else if (cy > w->sy - *sy)
792: *oy = w->sy - *sy;
793: else
794: *oy = cy - *sy / 2;
795: }
796:
797: c->pan_window = NULL;
798: return (1);
799: }
800:
801: /* Update stored offsets for a window and redraw if necessary. */
802: void
803: tty_update_window_offset(struct window *w)
804: {
805: struct client *c;
806:
807: TAILQ_FOREACH(c, &clients, entry) {
808: if (c->session != NULL && c->session->curw->window == w)
809: tty_update_client_offset(c);
810: }
811: }
812:
813: /* Update stored offsets for a client and redraw if necessary. */
814: void
815: tty_update_client_offset(struct client *c)
1.304 nicm 816: {
1.309 nicm 817: u_int ox, oy, sx, sy;
1.314 nicm 818:
819: if (~c->flags & CLIENT_TERMINAL)
820: return;
1.304 nicm 821:
1.309 nicm 822: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
823: if (ox == c->tty.oox &&
824: oy == c->tty.ooy &&
825: sx == c->tty.osx &&
826: sy == c->tty.osy)
827: return;
828:
829: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
830: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
831: ox, oy, sx, sy);
832:
833: c->tty.oox = ox;
834: c->tty.ooy = oy;
835: c->tty.osx = sx;
836: c->tty.osy = sy;
837:
838: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 839: }
840:
1.1 nicm 841: /*
1.119 nicm 842: * Is the region large enough to be worth redrawing once later rather than
843: * probably several times now? Currently yes if it is more than 50% of the
844: * pane.
845: */
1.207 nicm 846: static int
1.194 nicm 847: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 848: {
849: struct window_pane *wp = ctx->wp;
850:
851: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
852: }
853:
854: /*
1.176 nicm 855: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
856: * emulated.
857: */
1.207 nicm 858: static int
1.317 nicm 859: tty_fake_bce(const struct tty *tty, struct window_pane *wp, u_int bg)
1.176 nicm 860: {
861: struct grid_cell gc;
862:
1.210 nicm 863: if (tty_term_flag(tty->term, TTYC_BCE))
864: return (0);
865:
1.176 nicm 866: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 867: if (wp != NULL)
868: tty_default_colours(&gc, wp);
1.176 nicm 869:
1.310 nicm 870: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc.bg))
1.210 nicm 871: return (1);
872: return (0);
1.176 nicm 873: }
874:
875: /*
1.1 nicm 876: * Redraw scroll region using data from screen (already updated). Used when
877: * CSR not supported, or window is a pane that doesn't take up the full
878: * width of the terminal.
879: */
1.207 nicm 880: static void
1.24 nicm 881: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 882: {
1.14 nicm 883: struct window_pane *wp = ctx->wp;
884: struct screen *s = wp->screen;
1.204 nicm 885: u_int i;
1.1 nicm 886:
887: /*
1.119 nicm 888: * If region is large, schedule a window redraw. In most cases this is
889: * likely to be followed by some more scrolling.
1.1 nicm 890: */
1.119 nicm 891: if (tty_large_region(tty, ctx)) {
1.1 nicm 892: wp->flags |= PANE_REDRAW;
893: return;
894: }
895:
1.14 nicm 896: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
897: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.309 nicm 898: tty_draw_pane(tty, ctx, i);
1.1 nicm 899: } else {
1.14 nicm 900: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.309 nicm 901: tty_draw_pane(tty, ctx, i);
1.1 nicm 902: }
903: }
904:
1.309 nicm 905: /* Is this position visible in the pane? */
906: static int
907: tty_is_visible(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
908: u_int nx, u_int ny)
909: {
910: u_int xoff = ctx->xoff + px, yoff = ctx->yoff + py, lines;
911:
912: if (!ctx->bigger)
913: return (1);
914:
915: if (status_at_line(tty->client) == 0)
916: lines = status_line_size(tty->client);
917: else
918: lines = 0;
919:
920: if (xoff + nx <= ctx->ox || xoff >= ctx->ox + ctx->sx ||
1.320 nicm 921: yoff + ny <= ctx->oy || yoff >= lines + ctx->oy + ctx->sy)
1.309 nicm 922: return (0);
923: return (1);
924: }
925:
926: /* Clamp line position to visible part of pane. */
927: static int
928: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
929: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
930: {
931: struct window_pane *wp = ctx->wp;
932: u_int xoff = wp->xoff + px;
933:
934: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
935: return (0);
936: *ry = ctx->yoff + py - ctx->oy;
937:
938: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
939: /* All visible. */
940: *i = 0;
941: *x = ctx->xoff + px - ctx->ox;
942: *rx = nx;
943: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
944: /* Both left and right not visible. */
945: *i = ctx->ox;
946: *x = 0;
947: *rx = ctx->sx;
948: } else if (xoff < ctx->ox) {
949: /* Left not visible. */
950: *i = ctx->ox - (ctx->xoff + px);
951: *x = 0;
952: *rx = nx - *i;
953: } else {
954: /* Right not visible. */
955: *i = 0;
956: *x = (ctx->xoff + px) - ctx->ox;
957: *rx = ctx->sx - *x;
958: }
959: if (*rx > nx)
960: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
961:
962: return (1);
963: }
964:
965: /* Clear a line. */
1.271 nicm 966: static void
1.317 nicm 967: tty_clear_line(struct tty *tty, struct window_pane *wp, u_int py, u_int px,
968: u_int nx, u_int bg)
1.271 nicm 969: {
1.309 nicm 970: struct client *c = tty->client;
971:
972: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 973:
974: /* Nothing to clear. */
975: if (nx == 0)
976: return;
977:
978: /* If genuine BCE is available, can try escape sequences. */
979: if (!tty_fake_bce(tty, wp, bg)) {
980: /* Off the end of the line, use EL if available. */
981: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
982: tty_cursor(tty, px, py);
983: tty_putcode(tty, TTYC_EL);
984: return;
985: }
986:
987: /* At the start of the line. Use EL1. */
988: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
989: tty_cursor(tty, px + nx - 1, py);
990: tty_putcode(tty, TTYC_EL1);
991: return;
992: }
993:
994: /* Section of line. Use ECH if possible. */
995: if (tty_term_has(tty->term, TTYC_ECH)) {
996: tty_cursor(tty, px, py);
997: tty_putcode1(tty, TTYC_ECH, nx);
998: return;
999: }
1000: }
1001:
1002: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 1003: tty_cursor(tty, px, py);
1.271 nicm 1004: tty_repeat_space(tty, nx);
1005: }
1006:
1.309 nicm 1007: /* Clear a line, adjusting to visible part of pane. */
1008: static void
1009: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1010: u_int px, u_int nx, u_int bg)
1011: {
1012: struct client *c = tty->client;
1013: u_int i, x, rx, ry;
1014:
1015: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1016:
1017: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1018: tty_clear_line(tty, ctx->wp, ry, x, rx, bg);
1019: }
1020:
1021: /* Clamp area position to visible part of pane. */
1022: static int
1023: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1024: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1025: u_int *ry)
1026: {
1027: struct window_pane *wp = ctx->wp;
1028: u_int xoff = wp->xoff + px, yoff = wp->yoff + py;
1029:
1030: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1031: return (0);
1032:
1033: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
1034: /* All visible. */
1035: *i = 0;
1036: *x = ctx->xoff + px - ctx->ox;
1037: *rx = nx;
1038: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
1039: /* Both left and right not visible. */
1040: *i = ctx->ox;
1041: *x = 0;
1042: *rx = ctx->sx;
1043: } else if (xoff < ctx->ox) {
1044: /* Left not visible. */
1045: *i = ctx->ox - (ctx->xoff + px);
1046: *x = 0;
1047: *rx = nx - *i;
1048: } else {
1049: /* Right not visible. */
1050: *i = 0;
1051: *x = (ctx->xoff + px) - ctx->ox;
1052: *rx = ctx->sx - *x;
1053: }
1054: if (*rx > nx)
1055: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1056:
1057: if (yoff >= ctx->oy && yoff + ny <= ctx->oy + ctx->sy) {
1058: /* All visible. */
1059: *j = 0;
1060: *y = ctx->yoff + py - ctx->oy;
1061: *ry = ny;
1062: } else if (yoff < ctx->oy && yoff + ny > ctx->oy + ctx->sy) {
1063: /* Both left and right not visible. */
1064: *j = ctx->oy;
1065: *y = 0;
1066: *ry = ctx->sy;
1067: } else if (yoff < ctx->oy) {
1068: /* Left not visible. */
1069: *j = ctx->oy - (ctx->yoff + py);
1070: *y = 0;
1071: *ry = ny - *j;
1072: } else {
1073: /* Right not visible. */
1074: *j = 0;
1075: *y = (ctx->yoff + py) - ctx->oy;
1076: *ry = ctx->sy - *y;
1077: }
1078: if (*ry > ny)
1079: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1080:
1081: return (1);
1082: }
1083:
1084: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1085: static void
1.317 nicm 1086: tty_clear_area(struct tty *tty, struct window_pane *wp, u_int py, u_int ny,
1087: u_int px, u_int nx, u_int bg)
1.271 nicm 1088: {
1.309 nicm 1089: struct client *c = tty->client;
1090: u_int yy;
1091: char tmp[64];
1.271 nicm 1092:
1.309 nicm 1093: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1094:
1095: /* Nothing to clear. */
1096: if (nx == 0 || ny == 0)
1097: return;
1098:
1099: /* If genuine BCE is available, can try escape sequences. */
1100: if (!tty_fake_bce(tty, wp, bg)) {
1.276 nicm 1101: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1102: if (px == 0 &&
1103: px + nx >= tty->sx &&
1104: py + ny >= tty->sy &&
1105: tty_term_has(tty->term, TTYC_ED)) {
1106: tty_cursor(tty, 0, py);
1107: tty_putcode(tty, TTYC_ED);
1.274 nicm 1108: return;
1109: }
1110:
1111: /*
1.276 nicm 1112: * On VT420 compatible terminals we can use DECFRA if the
1113: * background colour isn't default (because it doesn't work
1114: * after SGR 0).
1.274 nicm 1115: */
1.313 nicm 1116: if (tty->term_type == TTY_VT420 && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1117: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1118: py + 1, px + 1, py + ny, px + nx);
1119: tty_puts(tty, tmp);
1.276 nicm 1120: return;
1121: }
1122:
1.280 nicm 1123: /* Full lines can be scrolled away to clear them. */
1124: if (px == 0 &&
1.281 nicm 1125: px + nx >= tty->sx &&
1.280 nicm 1126: ny > 2 &&
1127: tty_term_has(tty->term, TTYC_CSR) &&
1128: tty_term_has(tty->term, TTYC_INDN)) {
1129: tty_region(tty, py, py + ny - 1);
1130: tty_margin_off(tty);
1.284 nicm 1131: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1132: return;
1133: }
1134:
1.276 nicm 1135: /*
1136: * If margins are supported, can just scroll the area off to
1137: * clear it.
1138: */
1.277 nicm 1139: if (nx > 2 &&
1140: ny > 2 &&
1.280 nicm 1141: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1142: tty_use_margin(tty) &&
1143: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1144: tty_region(tty, py, py + ny - 1);
1145: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1146: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1147: return;
1148: }
1149: }
1150:
1151: /* Couldn't use an escape sequence, loop over the lines. */
1152: for (yy = py; yy < py + ny; yy++)
1153: tty_clear_line(tty, wp, yy, px, nx, bg);
1154: }
1155:
1.309 nicm 1156: /* Clear an area in a pane. */
1157: static void
1158: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1159: u_int ny, u_int px, u_int nx, u_int bg)
1160: {
1161: u_int i, j, x, y, rx, ry;
1162:
1163: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1164: tty_clear_area(tty, ctx->wp, y, ry, x, rx, bg);
1165: }
1166:
1167: static void
1168: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1169: {
1.309 nicm 1170: struct window_pane *wp = ctx->wp;
1171: struct screen *s = wp->screen;
1172: u_int nx = screen_size_x(s), i, x, rx, ry;
1173:
1174: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1175:
1176: if (!ctx->bigger) {
1177: tty_draw_line(tty, wp, s, 0, py, nx, ctx->xoff, ctx->yoff + py);
1178: return;
1179: }
1180: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry))
1181: tty_draw_line(tty, wp, s, i, py, rx, x, ry);
1.176 nicm 1182: }
1183:
1.298 nicm 1184: static const struct grid_cell *
1185: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1186: {
1187: static struct grid_cell new;
1188: u_int n;
1189:
1190: /* Characters less than 0x7f are always fine, no matter what. */
1191: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1192: return (gc);
1193:
1194: /* UTF-8 terminal and a UTF-8 character - fine. */
1195: if (tty->flags & TTY_UTF8)
1196: return (gc);
1197:
1198: /* Replace by the right number of underscores. */
1199: n = gc->data.width;
1200: if (n > UTF8_SIZE)
1201: n = UTF8_SIZE;
1202: memcpy(&new, gc, sizeof new);
1203: new.data.size = n;
1204: memset(new.data.data, '_', n);
1205: return (&new);
1206: }
1207:
1.176 nicm 1208: void
1.317 nicm 1209: tty_draw_line(struct tty *tty, struct window_pane *wp, struct screen *s,
1210: u_int px, u_int py, u_int nx, u_int atx, u_int aty)
1.1 nicm 1211: {
1.297 nicm 1212: struct grid *gd = s->grid;
1.250 nicm 1213: struct grid_cell gc, last;
1.298 nicm 1214: const struct grid_cell *gcp;
1.309 nicm 1215: struct grid_line *gl;
1216: u_int i, j, ux, sx, width;
1.259 nicm 1217: int flags, cleared = 0;
1.250 nicm 1218: char buf[512];
1.315 nicm 1219: size_t len;
1.303 nicm 1220: u_int cellsize;
1.1 nicm 1221:
1.309 nicm 1222: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1223: px, py, nx, atx, aty);
1224:
1225: /*
1226: * py is the line in the screen to draw.
1227: * px is the start x and nx is the width to draw.
1228: * atx,aty is the line on the terminal to draw it.
1229: */
1230:
1.259 nicm 1231: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1232: tty->flags |= TTY_NOCURSOR;
1233: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1234:
1.214 nicm 1235: tty_region_off(tty);
1236: tty_margin_off(tty);
1237:
1.273 nicm 1238: /*
1239: * Clamp the width to cellsize - note this is not cellused, because
1240: * there may be empty background cells after it (from BCE).
1241: */
1.1 nicm 1242: sx = screen_size_x(s);
1.309 nicm 1243: if (nx > sx)
1244: nx = sx;
1.303 nicm 1245: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1246: if (sx > cellsize)
1247: sx = cellsize;
1.1 nicm 1248: if (sx > tty->sx)
1249: sx = tty->sx;
1.309 nicm 1250: if (sx > nx)
1251: sx = nx;
1.292 nicm 1252: ux = 0;
1.1 nicm 1253:
1.309 nicm 1254: if (py == 0)
1255: gl = NULL;
1256: else
1257: gl = grid_get_line(gd, gd->hsize + py - 1);
1.268 nicm 1258: if (wp == NULL ||
1.309 nicm 1259: gl == NULL ||
1260: (~gl->flags & GRID_LINE_WRAPPED) ||
1261: atx != 0 ||
1.268 nicm 1262: tty->cx < tty->sx ||
1.309 nicm 1263: nx < tty->sx) {
1264: if (nx < tty->sx &&
1265: atx == 0 &&
1266: px + sx != nx &&
1.268 nicm 1267: tty_term_has(tty->term, TTYC_EL1) &&
1268: !tty_fake_bce(tty, wp, 8)) {
1269: tty_default_attributes(tty, wp, 8);
1.309 nicm 1270: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1271: tty_putcode(tty, TTYC_EL1);
1272: cleared = 1;
1273: }
1274: } else
1.309 nicm 1275: log_debug("%s: wrapped line %u", __func__, aty);
1.250 nicm 1276:
1277: memcpy(&last, &grid_default_cell, sizeof last);
1278: len = 0;
1279: width = 0;
1.46 nicm 1280:
1.1 nicm 1281: for (i = 0; i < sx; i++) {
1.309 nicm 1282: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1283: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1284: if (len != 0 &&
1.298 nicm 1285: ((gcp->attr & GRID_ATTR_CHARSET) ||
1286: gcp->flags != last.flags ||
1287: gcp->attr != last.attr ||
1288: gcp->fg != last.fg ||
1289: gcp->bg != last.bg ||
1.315 nicm 1290: ux + width + gcp->data.width > nx ||
1.298 nicm 1291: (sizeof buf) - len < gcp->data.size)) {
1.316 nicm 1292: tty_attributes(tty, &last, wp);
1.315 nicm 1293: if (last.flags & GRID_FLAG_CLEARED) {
1294: log_debug("%s: %zu cleared", __func__, len);
1295: tty_clear_line(tty, wp, aty, atx + ux, width,
1296: last.bg);
1297: } else {
1298: tty_cursor(tty, atx + ux, aty);
1299: tty_putn(tty, buf, len, width);
1300: }
1.292 nicm 1301: ux += width;
1.250 nicm 1302:
1303: len = 0;
1304: width = 0;
1305: }
1306:
1.298 nicm 1307: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1308: screen_select_cell(s, &last, gcp);
1.250 nicm 1309: else
1.299 nicm 1310: memcpy(&last, gcp, sizeof last);
1.309 nicm 1311: if (ux + gcp->data.width > nx) {
1.299 nicm 1312: tty_attributes(tty, &last, wp);
1.315 nicm 1313: tty_cursor(tty, atx + ux, aty);
1.298 nicm 1314: for (j = 0; j < gcp->data.width; j++) {
1.309 nicm 1315: if (ux + j > nx)
1.297 nicm 1316: break;
1317: tty_putc(tty, ' ');
1318: ux++;
1319: }
1.299 nicm 1320: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1321: tty_attributes(tty, &last, wp);
1.315 nicm 1322: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1323: for (j = 0; j < gcp->data.size; j++)
1324: tty_putc(tty, gcp->data.data[j]);
1325: ux += gc.data.width;
1326: } else {
1.298 nicm 1327: memcpy(buf + len, gcp->data.data, gcp->data.size);
1328: len += gcp->data.size;
1329: width += gcp->data.width;
1.250 nicm 1330: }
1331: }
1.315 nicm 1332: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.316 nicm 1333: tty_attributes(tty, &last, wp);
1.315 nicm 1334: if (last.flags & GRID_FLAG_CLEARED) {
1335: log_debug("%s: %zu cleared (end)", __func__, len);
1336: tty_clear_line(tty, wp, aty, atx + ux, width, last.bg);
1337: } else {
1338: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1339: tty_putn(tty, buf, len, width);
1340: }
1.315 nicm 1341: ux += width;
1.1 nicm 1342: }
1343:
1.309 nicm 1344: if (!cleared && ux < nx) {
1.315 nicm 1345: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1346: nx - ux, len);
1.210 nicm 1347: tty_default_attributes(tty, wp, 8);
1.309 nicm 1348: tty_clear_line(tty, wp, aty, atx + ux, nx - ux, 8);
1.35 nicm 1349: }
1.1 nicm 1350:
1.181 nicm 1351: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1352: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1353: }
1354:
1.201 nicm 1355: static int
1.182 nicm 1356: tty_client_ready(struct client *c, struct window_pane *wp)
1357: {
1358: if (c->session == NULL || c->tty.term == NULL)
1359: return (0);
1.305 nicm 1360: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1361: return (0);
1362: if (c->tty.flags & TTY_FREEZE)
1363: return (0);
1364: if (c->session->curw->window != wp->window)
1365: return (0);
1.309 nicm 1366: if (wp->layout_cell == NULL)
1367: return (0);
1.182 nicm 1368: return (1);
1369: }
1370:
1.15 nicm 1371: void
1.182 nicm 1372: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1373: struct tty_ctx *ctx)
1.15 nicm 1374: {
1375: struct window_pane *wp = ctx->wp;
1376: struct client *c;
1377:
1378: if (wp == NULL)
1379: return;
1.309 nicm 1380: if (wp->flags & (PANE_REDRAW|PANE_DROP))
1.15 nicm 1381: return;
1382:
1.178 nicm 1383: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 1384: if (!tty_client_ready(c, wp))
1.15 nicm 1385: continue;
1386:
1.309 nicm 1387: ctx->bigger = tty_window_offset(&c->tty, &ctx->ox, &ctx->oy,
1388: &ctx->sx, &ctx->sy);
1389:
1.139 nicm 1390: ctx->xoff = wp->xoff;
1391: ctx->yoff = wp->yoff;
1.309 nicm 1392:
1.139 nicm 1393: if (status_at_line(c) == 0)
1.309 nicm 1394: ctx->yoff += status_line_size(c);
1.113 nicm 1395:
1.139 nicm 1396: cmdfn(&c->tty, ctx);
1.1 nicm 1397: }
1398: }
1399:
1400: void
1.24 nicm 1401: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1402: {
1.77 nicm 1403: struct window_pane *wp = ctx->wp;
1.1 nicm 1404:
1.309 nicm 1405: if (ctx->bigger ||
1406: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1407: tty_fake_bce(tty, wp, ctx->bg) ||
1408: (!tty_term_has(tty->term, TTYC_ICH) &&
1409: !tty_term_has(tty->term, TTYC_ICH1))) {
1.309 nicm 1410: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1411: return;
1412: }
1413:
1.210 nicm 1414: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1415:
1.77 nicm 1416: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1417:
1.206 nicm 1418: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1419: }
1420:
1421: void
1.24 nicm 1422: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1423: {
1.77 nicm 1424: struct window_pane *wp = ctx->wp;
1.1 nicm 1425:
1.309 nicm 1426: if (ctx->bigger ||
1427: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1428: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 1429: (!tty_term_has(tty->term, TTYC_DCH) &&
1430: !tty_term_has(tty->term, TTYC_DCH1))) {
1.309 nicm 1431: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1432: return;
1433: }
1434:
1.210 nicm 1435: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1436:
1.77 nicm 1437: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1438:
1.206 nicm 1439: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1440: }
1441:
1442: void
1443: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1444: {
1.309 nicm 1445: if (ctx->bigger) {
1446: tty_draw_pane(tty, ctx, ctx->ocy);
1447: return;
1448: }
1449:
1.275 nicm 1450: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.146 nicm 1451:
1452: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1453:
1.210 nicm 1454: if (tty_term_has(tty->term, TTYC_ECH) &&
1.262 nicm 1455: !tty_fake_bce(tty, ctx->wp, 8))
1.146 nicm 1456: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1457: else
1458: tty_repeat_space(tty, ctx->num);
1.1 nicm 1459: }
1460:
1461: void
1.24 nicm 1462: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1463: {
1.309 nicm 1464: if (ctx->bigger ||
1465: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1466: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 1467: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1468: !tty_term_has(tty->term, TTYC_IL1) ||
1469: ctx->wp->sx == 1 ||
1470: ctx->wp->sy == 1) {
1.14 nicm 1471: tty_redraw_region(tty, ctx);
1.1 nicm 1472: return;
1473: }
1474:
1.210 nicm 1475: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1476:
1.77 nicm 1477: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1478: tty_margin_off(tty);
1.77 nicm 1479: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1480:
1.12 nicm 1481: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1482: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1483: }
1484:
1485: void
1.24 nicm 1486: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1487: {
1.309 nicm 1488: if (ctx->bigger ||
1489: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1490: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 1491: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1492: !tty_term_has(tty->term, TTYC_DL1) ||
1493: ctx->wp->sx == 1 ||
1494: ctx->wp->sy == 1) {
1.14 nicm 1495: tty_redraw_region(tty, ctx);
1.1 nicm 1496: return;
1497: }
1498:
1.210 nicm 1499: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1500:
1.77 nicm 1501: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1502: tty_margin_off(tty);
1.77 nicm 1503: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1504:
1.12 nicm 1505: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1506: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1507: }
1508:
1509: void
1.24 nicm 1510: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1511: {
1.77 nicm 1512: struct window_pane *wp = ctx->wp;
1.309 nicm 1513: u_int nx;
1.1 nicm 1514:
1.210 nicm 1515: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1516:
1.271 nicm 1517: nx = screen_size_x(wp->screen);
1.309 nicm 1518: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, nx, ctx->bg);
1.1 nicm 1519: }
1520:
1521: void
1.24 nicm 1522: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1523: {
1.77 nicm 1524: struct window_pane *wp = ctx->wp;
1.309 nicm 1525: u_int nx;
1.1 nicm 1526:
1.210 nicm 1527: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1528:
1.271 nicm 1529: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1530: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1531: }
1532:
1533: void
1.24 nicm 1534: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1535: {
1.210 nicm 1536: struct window_pane *wp = ctx->wp;
1537:
1538: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1539:
1.309 nicm 1540: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1541: }
1542:
1543: void
1.24 nicm 1544: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1545: {
1.278 nicm 1546: struct window_pane *wp = ctx->wp;
1547:
1.56 nicm 1548: if (ctx->ocy != ctx->orupper)
1549: return;
1550:
1.309 nicm 1551: if (ctx->bigger ||
1552: !tty_pane_full_width(tty, ctx) ||
1.278 nicm 1553: tty_fake_bce(tty, wp, 8) ||
1.70 nicm 1554: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1555: !tty_term_has(tty->term, TTYC_RI) ||
1556: ctx->wp->sx == 1 ||
1557: ctx->wp->sy == 1) {
1.14 nicm 1558: tty_redraw_region(tty, ctx);
1.1 nicm 1559: return;
1560: }
1561:
1.278 nicm 1562: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1563:
1.56 nicm 1564: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1565: tty_margin_off(tty);
1.56 nicm 1566: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1567:
1.56 nicm 1568: tty_putcode(tty, TTYC_RI);
1.1 nicm 1569: }
1570:
1571: void
1.24 nicm 1572: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1573: {
1.77 nicm 1574: struct window_pane *wp = ctx->wp;
1.1 nicm 1575:
1.56 nicm 1576: if (ctx->ocy != ctx->orlower)
1577: return;
1578:
1.309 nicm 1579: if (ctx->bigger ||
1580: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1581: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1582: !tty_term_has(tty->term, TTYC_CSR) ||
1583: wp->sx == 1 ||
1584: wp->sy == 1) {
1.236 nicm 1585: tty_redraw_region(tty, ctx);
1.1 nicm 1586: return;
1587: }
1.52 nicm 1588:
1.278 nicm 1589: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1590:
1.56 nicm 1591: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1592: tty_margin_pane(tty, ctx);
1593:
1594: /*
1.301 nicm 1595: * If we want to wrap a pane while using margins, the cursor needs to
1596: * be exactly on the right of the region. If the cursor is entirely off
1597: * the edge - move it back to the right. Some terminals are funny about
1598: * this and insert extra spaces, so only use the right if margins are
1599: * enabled.
1.212 nicm 1600: */
1.301 nicm 1601: if (ctx->xoff + ctx->ocx > tty->rright) {
1602: if (!tty_use_margin(tty))
1603: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1604: else
1605: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1606: } else
1.212 nicm 1607: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1608:
1.56 nicm 1609: tty_putc(tty, '\n');
1.240 nicm 1610: }
1611:
1612: void
1613: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1614: {
1615: struct window_pane *wp = ctx->wp;
1.284 nicm 1616: u_int i;
1.240 nicm 1617:
1.309 nicm 1618: if (ctx->bigger ||
1619: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1620: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1621: !tty_term_has(tty->term, TTYC_CSR) ||
1622: wp->sx == 1 ||
1623: wp->sy == 1) {
1.240 nicm 1624: tty_redraw_region(tty, ctx);
1625: return;
1626: }
1627:
1.278 nicm 1628: tty_default_attributes(tty, wp, ctx->bg);
1.240 nicm 1629:
1630: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1631: tty_margin_pane(tty, ctx);
1632:
1.284 nicm 1633: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1634: if (!tty_use_margin(tty))
1635: tty_cursor(tty, 0, tty->rlower);
1636: else
1637: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1638: for (i = 0; i < ctx->num; i++)
1.240 nicm 1639: tty_putc(tty, '\n');
1.301 nicm 1640: } else {
1641: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1642: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.301 nicm 1643: }
1.1 nicm 1644: }
1645:
1646: void
1.24 nicm 1647: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1648: {
1.77 nicm 1649: struct window_pane *wp = ctx->wp;
1.271 nicm 1650: u_int px, py, nx, ny;
1.1 nicm 1651:
1.210 nicm 1652: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1653:
1.271 nicm 1654: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1655: tty_margin_off(tty);
1.39 nicm 1656:
1.309 nicm 1657: px = 0;
1.271 nicm 1658: nx = screen_size_x(wp->screen);
1.309 nicm 1659: py = ctx->ocy + 1;
1.271 nicm 1660: ny = screen_size_y(wp->screen) - ctx->ocy - 1;
1661:
1.309 nicm 1662: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1663:
1.309 nicm 1664: px = ctx->ocx;
1.271 nicm 1665: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1666: py = ctx->ocy;
1.271 nicm 1667:
1.309 nicm 1668: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1669: }
1670:
1671: void
1.24 nicm 1672: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1673: {
1.77 nicm 1674: struct window_pane *wp = ctx->wp;
1.271 nicm 1675: u_int px, py, nx, ny;
1.1 nicm 1676:
1.227 nicm 1677: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1678:
1.271 nicm 1679: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1680: tty_margin_off(tty);
1.39 nicm 1681:
1.309 nicm 1682: px = 0;
1.271 nicm 1683: nx = screen_size_x(wp->screen);
1.309 nicm 1684: py = 0;
1.319 nicm 1685: ny = ctx->ocy;
1.271 nicm 1686:
1.309 nicm 1687: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1688:
1.309 nicm 1689: px = 0;
1.271 nicm 1690: nx = ctx->ocx + 1;
1.309 nicm 1691: py = ctx->ocy;
1.271 nicm 1692:
1.309 nicm 1693: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1694: }
1695:
1696: void
1.24 nicm 1697: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1698: {
1.77 nicm 1699: struct window_pane *wp = ctx->wp;
1.271 nicm 1700: u_int px, py, nx, ny;
1.1 nicm 1701:
1.210 nicm 1702: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1703:
1.271 nicm 1704: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1705: tty_margin_off(tty);
1.39 nicm 1706:
1.309 nicm 1707: px = 0;
1.271 nicm 1708: nx = screen_size_x(wp->screen);
1.309 nicm 1709: py = 0;
1.271 nicm 1710: ny = screen_size_y(wp->screen);
1711:
1.309 nicm 1712: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1713: }
1714:
1715: void
1.24 nicm 1716: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1717: {
1.12 nicm 1718: struct window_pane *wp = ctx->wp;
1719: struct screen *s = wp->screen;
1720: u_int i, j;
1.4 nicm 1721:
1.309 nicm 1722: if (ctx->bigger) {
1723: wp->flags |= PANE_REDRAW;
1724: return;
1725: }
1726:
1.176 nicm 1727: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1728:
1.39 nicm 1729: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1730: tty_margin_off(tty);
1.4 nicm 1731:
1732: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1733: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1734: for (i = 0; i < screen_size_x(s); i++)
1735: tty_putc(tty, 'E');
1.1 nicm 1736: }
1737: }
1738:
1739: void
1.24 nicm 1740: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1741: {
1.309 nicm 1742: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1))
1743: return;
1744:
1745: if (ctx->xoff + ctx->ocx - ctx->ox > tty->sx - 1 &&
1.306 nicm 1746: ctx->ocy == ctx->orlower &&
1747: tty_pane_full_width(tty, ctx))
1748: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1749:
1.306 nicm 1750: tty_margin_off(tty);
1.253 nicm 1751: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1752:
1.237 nicm 1753: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1754: }
1755:
1756: void
1757: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1758: {
1.309 nicm 1759: struct window_pane *wp = ctx->wp;
1760:
1761: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1762: return;
1763:
1764: if (ctx->bigger &&
1765: (ctx->xoff + ctx->ocx < ctx->ox ||
1766: ctx->xoff + ctx->ocx + ctx->num > ctx->ox + ctx->sx)) {
1767: if (!ctx->wrapped ||
1768: !tty_pane_full_width(tty, ctx) ||
1769: (tty->term->flags & TERM_EARLYWRAP) ||
1770: ctx->xoff + ctx->ocx != 0 ||
1771: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1772: tty->cx < tty->sx ||
1773: tty->cy == tty->rlower)
1774: tty_draw_pane(tty, ctx, ctx->ocy);
1775: else
1776: wp->flags |= PANE_REDRAW;
1777: return;
1778: }
1779:
1.306 nicm 1780: tty_margin_off(tty);
1.253 nicm 1781: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1782:
1783: tty_attributes(tty, ctx->cell, ctx->wp);
1784: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1785: }
1786:
1787: void
1788: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1789: {
1790: char *buf;
1791: size_t off;
1792:
1793: if (!tty_term_has(tty->term, TTYC_MS))
1794: return;
1795:
1796: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1797: buf = xmalloc(off);
1798:
1799: b64_ntop(ctx->ptr, ctx->num, buf, off);
1800: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1801:
1.138 nicm 1802: free(buf);
1.100 nicm 1803: }
1804:
1805: void
1806: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1807: {
1.256 nicm 1808: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1809: tty_invalidate(tty);
1.1 nicm 1810: }
1811:
1.207 nicm 1812: static void
1.317 nicm 1813: tty_cell(struct tty *tty, const struct grid_cell *gc, struct window_pane *wp)
1.1 nicm 1814: {
1.298 nicm 1815: const struct grid_cell *gcp;
1.1 nicm 1816:
1817: /* Skip last character if terminal is stupid. */
1.211 nicm 1818: if ((tty->term->flags & TERM_EARLYWRAP) &&
1819: tty->cy == tty->sy - 1 &&
1820: tty->cx == tty->sx - 1)
1.1 nicm 1821: return;
1822:
1823: /* If this is a padding character, do nothing. */
1824: if (gc->flags & GRID_FLAG_PADDING)
1825: return;
1826:
1827: /* Set the attributes. */
1.176 nicm 1828: tty_attributes(tty, gc, wp);
1.1 nicm 1829:
1.147 nicm 1830: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.298 nicm 1831: gcp = tty_check_codeset(tty, gc);
1832: if (gcp->data.size == 1) {
1833: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 1834: return;
1.298 nicm 1835: tty_putc(tty, *gcp->data.data);
1.1 nicm 1836: return;
1837: }
1838:
1.147 nicm 1839: /* Write the data. */
1.298 nicm 1840: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 1841: }
1842:
1843: void
1844: tty_reset(struct tty *tty)
1845: {
1846: struct grid_cell *gc = &tty->cell;
1847:
1.228 nicm 1848: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 1849: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 1850: tty_putcode(tty, TTYC_RMACS);
1851: tty_putcode(tty, TTYC_SGR0);
1852: memcpy(gc, &grid_default_cell, sizeof *gc);
1853: }
1.1 nicm 1854:
1.228 nicm 1855: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1856: tty->last_wp = -1;
1.242 nicm 1857: }
1858:
1859: static void
1860: tty_invalidate(struct tty *tty)
1861: {
1862: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1863:
1864: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1865: tty->last_wp = -1;
1866:
1867: tty->cx = tty->cy = UINT_MAX;
1868:
1869: tty->rupper = tty->rleft = UINT_MAX;
1870: tty->rlower = tty->rright = UINT_MAX;
1871:
1872: if (tty->flags & TTY_STARTED) {
1873: tty_putcode(tty, TTYC_SGR0);
1874:
1875: tty->mode = ALL_MODES;
1876: tty_update_mode(tty, MODE_CURSOR, NULL);
1877:
1878: tty_cursor(tty, 0, 0);
1879: tty_region_off(tty);
1880: tty_margin_off(tty);
1881: } else
1882: tty->mode = MODE_CURSOR;
1.1 nicm 1883: }
1884:
1.214 nicm 1885: /* Turn off margin. */
1886: void
1887: tty_region_off(struct tty *tty)
1888: {
1889: tty_region(tty, 0, tty->sy - 1);
1890: }
1891:
1.40 nicm 1892: /* Set region inside pane. */
1.208 nicm 1893: static void
1.196 nicm 1894: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1895: u_int rlower)
1.1 nicm 1896: {
1.309 nicm 1897: tty_region(tty, ctx->yoff + rupper - ctx->oy,
1898: ctx->yoff + rlower - ctx->oy);
1.39 nicm 1899: }
1900:
1.40 nicm 1901: /* Set region at absolute position. */
1.214 nicm 1902: static void
1.40 nicm 1903: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1904: {
1905: if (tty->rlower == rlower && tty->rupper == rupper)
1906: return;
1.1 nicm 1907: if (!tty_term_has(tty->term, TTYC_CSR))
1908: return;
1.39 nicm 1909:
1910: tty->rupper = rupper;
1911: tty->rlower = rlower;
1.55 nicm 1912:
1913: /*
1914: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1915: * 0,0 if it is beyond the last column (they do not reset their wrap
1916: * flag so further output causes a line feed). As a workaround, do an
1917: * explicit move to 0 first.
1918: */
1919: if (tty->cx >= tty->sx)
1920: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1921:
1.39 nicm 1922: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 1923: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 1924: }
1925:
1.214 nicm 1926: /* Turn off margin. */
1927: void
1928: tty_margin_off(struct tty *tty)
1929: {
1930: tty_margin(tty, 0, tty->sx - 1);
1931: }
1932:
1.212 nicm 1933: /* Set margin inside pane. */
1934: static void
1935: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
1936: {
1.309 nicm 1937: tty_margin(tty, ctx->xoff - ctx->ox,
1938: ctx->xoff + ctx->wp->sx - 1 - ctx->ox);
1.212 nicm 1939: }
1940:
1941: /* Set margin at absolute position. */
1.214 nicm 1942: static void
1.212 nicm 1943: tty_margin(struct tty *tty, u_int rleft, u_int rright)
1944: {
1945: char s[64];
1946:
1947: if (!tty_use_margin(tty))
1948: return;
1949: if (tty->rleft == rleft && tty->rright == rright)
1950: return;
1951:
1.232 nicm 1952: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 1953:
1.212 nicm 1954: tty->rleft = rleft;
1955: tty->rright = rright;
1956:
1.232 nicm 1957: if (rleft == 0 && rright == tty->sx - 1)
1958: snprintf(s, sizeof s, "\033[s");
1959: else
1960: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 1961: tty_puts(tty, s);
1.249 nicm 1962: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 1963: }
1964:
1965: /*
1966: * Move the cursor, unless it would wrap itself when the next character is
1967: * printed.
1968: */
1969: static void
1970: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
1971: u_int cx, u_int cy)
1972: {
1.268 nicm 1973: if (!ctx->wrapped ||
1974: !tty_pane_full_width(tty, ctx) ||
1.253 nicm 1975: (tty->term->flags & TERM_EARLYWRAP) ||
1976: ctx->xoff + cx != 0 ||
1977: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 1978: tty->cx < tty->sx ||
1979: tty->cy == tty->rlower)
1.253 nicm 1980: tty_cursor_pane(tty, ctx, cx, cy);
1981: else
1982: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 1983: }
1984:
1.42 nicm 1985: /* Move cursor inside pane. */
1.208 nicm 1986: static void
1.41 nicm 1987: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1988: {
1.309 nicm 1989: tty_cursor(tty, ctx->xoff + cx - ctx->ox, ctx->yoff + cy - ctx->oy);
1.41 nicm 1990: }
1991:
1.42 nicm 1992: /* Move cursor to absolute position. */
1.41 nicm 1993: void
1994: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1995: {
1.42 nicm 1996: struct tty_term *term = tty->term;
1997: u_int thisx, thisy;
1998: int change;
1.77 nicm 1999:
1.42 nicm 2000: if (cx > tty->sx - 1)
2001: cx = tty->sx - 1;
2002:
2003: thisx = tty->cx;
2004: thisy = tty->cy;
2005:
2006: /* No change. */
2007: if (cx == thisx && cy == thisy)
2008: return;
2009:
1.43 nicm 2010: /* Very end of the line, just use absolute movement. */
2011: if (thisx > tty->sx - 1)
2012: goto absolute;
2013:
1.42 nicm 2014: /* Move to home position (0, 0). */
2015: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2016: tty_putcode(tty, TTYC_HOME);
2017: goto out;
2018: }
2019:
2020: /* Zero on the next line. */
1.293 nicm 2021: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2022: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2023: tty_putc(tty, '\r');
1.42 nicm 2024: tty_putc(tty, '\n');
2025: goto out;
2026: }
2027:
1.45 nicm 2028: /* Moving column or row. */
1.42 nicm 2029: if (cy == thisy) {
1.45 nicm 2030: /*
2031: * Moving column only, row staying the same.
2032: */
2033:
1.42 nicm 2034: /* To left edge. */
1.294 nicm 2035: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2036: tty_putc(tty, '\r');
2037: goto out;
2038: }
2039:
2040: /* One to the left. */
2041: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2042: tty_putcode(tty, TTYC_CUB1);
2043: goto out;
2044: }
2045:
2046: /* One to the right. */
2047: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2048: tty_putcode(tty, TTYC_CUF1);
2049: goto out;
2050: }
2051:
2052: /* Calculate difference. */
2053: change = thisx - cx; /* +ve left, -ve right */
2054:
2055: /*
2056: * Use HPA if change is larger than absolute, otherwise move
2057: * the cursor with CUB/CUF.
2058: */
1.87 nicm 2059: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2060: tty_putcode1(tty, TTYC_HPA, cx);
2061: goto out;
2062: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1.202 nicm 2063: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2064: tty_putcode(tty, TTYC_CUB1);
2065: tty_putcode(tty, TTYC_CUB1);
2066: goto out;
2067: }
1.42 nicm 2068: tty_putcode1(tty, TTYC_CUB, change);
2069: goto out;
2070: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
2071: tty_putcode1(tty, TTYC_CUF, -change);
2072: goto out;
2073: }
1.45 nicm 2074: } else if (cx == thisx) {
2075: /*
2076: * Moving row only, column staying the same.
2077: */
1.42 nicm 2078:
2079: /* One above. */
1.77 nicm 2080: if (thisy != tty->rupper &&
1.42 nicm 2081: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2082: tty_putcode(tty, TTYC_CUU1);
2083: goto out;
2084: }
2085:
2086: /* One below. */
1.49 nicm 2087: if (thisy != tty->rlower &&
1.42 nicm 2088: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2089: tty_putcode(tty, TTYC_CUD1);
2090: goto out;
2091: }
2092:
2093: /* Calculate difference. */
2094: change = thisy - cy; /* +ve up, -ve down */
2095:
2096: /*
1.77 nicm 2097: * Try to use VPA if change is larger than absolute or if this
2098: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2099: */
1.87 nicm 2100: if ((u_int) abs(change) > cy ||
1.42 nicm 2101: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2102: (change > 0 && cy - change < tty->rupper)) {
2103: if (tty_term_has(term, TTYC_VPA)) {
2104: tty_putcode1(tty, TTYC_VPA, cy);
2105: goto out;
2106: }
1.42 nicm 2107: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2108: tty_putcode1(tty, TTYC_CUU, change);
2109: goto out;
2110: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2111: tty_putcode1(tty, TTYC_CUD, -change);
2112: goto out;
2113: }
2114: }
2115:
1.43 nicm 2116: absolute:
1.42 nicm 2117: /* Absolute movement. */
2118: tty_putcode2(tty, TTYC_CUP, cy, cx);
2119:
2120: out:
2121: tty->cx = cx;
2122: tty->cy = cy;
1.1 nicm 2123: }
2124:
2125: void
1.176 nicm 2126: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.317 nicm 2127: struct window_pane *wp)
1.1 nicm 2128: {
1.63 nicm 2129: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2130: int changed;
1.61 nicm 2131:
1.228 nicm 2132: /* Ignore cell if it is the same as the last one. */
2133: if (wp != NULL &&
2134: (int)wp->id == tty->last_wp &&
1.326 ! nicm 2135: ~(wp->flags & PANE_STYLECHANGED) &&
1.228 nicm 2136: gc->attr == tty->last_cell.attr &&
2137: gc->fg == tty->last_cell.fg &&
2138: gc->bg == tty->last_cell.bg)
2139: return;
2140: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
2141: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
2142:
2143: /* Copy cell and update default colours. */
1.85 nicm 2144: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 2145: if (wp != NULL)
2146: tty_default_colours(&gc2, wp);
1.63 nicm 2147:
1.18 nicm 2148: /*
2149: * If no setab, try to use the reverse attribute as a best-effort for a
2150: * non-default background. This is a bit of a hack but it doesn't do
2151: * any serious harm and makes a couple of applications happier.
2152: */
2153: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2154: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2155: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2156: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2157: } else {
1.310 nicm 2158: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2159: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2160: }
2161: }
1.1 nicm 2162:
1.85 nicm 2163: /* Fix up the colours if necessary. */
1.219 nicm 2164: tty_check_fg(tty, wp, &gc2);
2165: tty_check_bg(tty, wp, &gc2);
1.85 nicm 2166:
1.64 nicm 2167: /* If any bits are being cleared, reset everything. */
1.85 nicm 2168: if (tc->attr & ~gc2.attr)
1.64 nicm 2169: tty_reset(tty);
2170:
2171: /*
2172: * Set the colours. This may call tty_reset() (so it comes next) and
2173: * may add to (NOT remove) the desired attributes by changing new_attr.
2174: */
1.85 nicm 2175: tty_colours(tty, &gc2);
1.64 nicm 2176:
1.1 nicm 2177: /* Filter out attribute bits already set. */
1.85 nicm 2178: changed = gc2.attr & ~tc->attr;
2179: tc->attr = gc2.attr;
1.1 nicm 2180:
2181: /* Set the attributes. */
2182: if (changed & GRID_ATTR_BRIGHT)
2183: tty_putcode(tty, TTYC_BOLD);
2184: if (changed & GRID_ATTR_DIM)
2185: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2186: if (changed & GRID_ATTR_ITALICS)
2187: tty_set_italics(tty);
1.308 nicm 2188: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2189: if ((changed & GRID_ATTR_UNDERSCORE) ||
2190: !tty_term_has(tty->term, TTYC_SMULX))
2191: tty_putcode(tty, TTYC_SMUL);
2192: else if (changed & GRID_ATTR_UNDERSCORE_2)
2193: tty_putcode1(tty, TTYC_SMULX, 2);
2194: else if (changed & GRID_ATTR_UNDERSCORE_3)
2195: tty_putcode1(tty, TTYC_SMULX, 3);
2196: else if (changed & GRID_ATTR_UNDERSCORE_4)
2197: tty_putcode1(tty, TTYC_SMULX, 4);
2198: else if (changed & GRID_ATTR_UNDERSCORE_5)
2199: tty_putcode1(tty, TTYC_SMULX, 5);
2200: }
1.1 nicm 2201: if (changed & GRID_ATTR_BLINK)
2202: tty_putcode(tty, TTYC_BLINK);
2203: if (changed & GRID_ATTR_REVERSE) {
2204: if (tty_term_has(tty->term, TTYC_REV))
2205: tty_putcode(tty, TTYC_REV);
2206: else if (tty_term_has(tty->term, TTYC_SMSO))
2207: tty_putcode(tty, TTYC_SMSO);
2208: }
2209: if (changed & GRID_ATTR_HIDDEN)
2210: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2211: if (changed & GRID_ATTR_STRIKETHROUGH)
2212: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2213: if (changed & GRID_ATTR_OVERLINE)
2214: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2215: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2216: tty_putcode(tty, TTYC_SMACS);
2217: }
2218:
1.207 nicm 2219: static void
1.85 nicm 2220: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2221: {
1.61 nicm 2222: struct grid_cell *tc = &tty->cell;
1.204 nicm 2223: int have_ax;
1.61 nicm 2224:
2225: /* No changes? Nothing is necessary. */
1.204 nicm 2226: if (gc->fg == tc->fg && gc->bg == tc->bg)
1.63 nicm 2227: return;
1.1 nicm 2228:
1.61 nicm 2229: /*
2230: * Is either the default colour? This is handled specially because the
2231: * best solution might be to reset both colours to default, in which
2232: * case if only one is default need to fall onward to set the other
2233: * colour.
2234: */
1.310 nicm 2235: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2236: /*
2237: * If don't have AX but do have op, send sgr0 (op can't
2238: * actually be used because it is sometimes the same as sgr0
2239: * and sometimes isn't). This resets both colours to default.
2240: *
2241: * Otherwise, try to set the default colour only as needed.
2242: */
1.174 nicm 2243: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2244: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2245: tty_reset(tty);
2246: else {
1.310 nicm 2247: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2248: if (have_ax)
2249: tty_puts(tty, "\033[39m");
1.204 nicm 2250: else if (tc->fg != 7)
1.61 nicm 2251: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2252: tc->fg = gc->fg;
1.61 nicm 2253: }
1.310 nicm 2254: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2255: if (have_ax)
1.61 nicm 2256: tty_puts(tty, "\033[49m");
1.204 nicm 2257: else if (tc->bg != 0)
1.61 nicm 2258: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2259: tc->bg = gc->bg;
1.61 nicm 2260: }
2261: }
2262: }
1.1 nicm 2263:
1.61 nicm 2264: /* Set the foreground colour. */
1.310 nicm 2265: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2266: tty_colours_fg(tty, gc);
1.1 nicm 2267:
1.61 nicm 2268: /*
2269: * Set the background colour. This must come after the foreground as
2270: * tty_colour_fg() can call tty_reset().
2271: */
1.310 nicm 2272: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2273: tty_colours_bg(tty, gc);
1.1 nicm 2274: }
2275:
1.219 nicm 2276: static void
1.317 nicm 2277: tty_check_fg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2278: {
1.204 nicm 2279: u_char r, g, b;
2280: u_int colours;
1.223 nicm 2281: int c;
1.85 nicm 2282:
1.288 nicm 2283: /*
2284: * Perform substitution if this pane has a palette. If the bright
2285: * attribute is set, use the bright entry in the palette by changing to
2286: * the aixterm colour.
2287: */
2288: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2289: c = gc->fg;
1.289 nicm 2290: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2291: c += 90;
2292: if ((c = window_pane_get_palette(wp, c)) != -1)
2293: gc->fg = c;
2294: }
1.219 nicm 2295:
1.199 nicm 2296: /* Is this a 24-bit colour? */
1.204 nicm 2297: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2298: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.286 nicm 2299: if (!tty_term_has(tty->term, TTYC_SETRGBF)) {
1.204 nicm 2300: colour_split_rgb(gc->fg, &r, &g, &b);
2301: gc->fg = colour_find_rgb(r, g, b);
2302: } else
1.200 nicm 2303: return;
1.199 nicm 2304: }
1.224 nicm 2305:
2306: /* How many colours does this terminal have? */
2307: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2308: colours = 256;
2309: else
2310: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2311:
1.85 nicm 2312: /* Is this a 256-colour colour? */
1.204 nicm 2313: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2314: /* And not a 256 colour mode? */
1.224 nicm 2315: if (colours != 256) {
1.85 nicm 2316: gc->fg = colour_256to16(gc->fg);
2317: if (gc->fg & 8) {
2318: gc->fg &= 7;
1.175 nicm 2319: if (colours >= 16)
2320: gc->fg += 90;
2321: else
2322: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 2323: } else
2324: gc->attr &= ~GRID_ATTR_BRIGHT;
2325: }
2326: return;
2327: }
2328:
2329: /* Is this an aixterm colour? */
2330: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2331: gc->fg -= 90;
2332: gc->attr |= GRID_ATTR_BRIGHT;
2333: }
2334: }
2335:
1.219 nicm 2336: static void
1.317 nicm 2337: tty_check_bg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2338: {
1.204 nicm 2339: u_char r, g, b;
2340: u_int colours;
1.223 nicm 2341: int c;
1.85 nicm 2342:
1.288 nicm 2343: /* Perform substitution if this pane has a palette. */
2344: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2345: if ((c = window_pane_get_palette(wp, gc->bg)) != -1)
2346: gc->bg = c;
2347: }
1.219 nicm 2348:
1.199 nicm 2349: /* Is this a 24-bit colour? */
1.204 nicm 2350: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2351: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.286 nicm 2352: if (!tty_term_has(tty->term, TTYC_SETRGBB)) {
1.204 nicm 2353: colour_split_rgb(gc->bg, &r, &g, &b);
2354: gc->bg = colour_find_rgb(r, g, b);
2355: } else
1.200 nicm 2356: return;
1.199 nicm 2357: }
1.224 nicm 2358:
2359: /* How many colours does this terminal have? */
2360: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2361: colours = 256;
2362: else
2363: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2364:
1.85 nicm 2365: /* Is this a 256-colour colour? */
1.204 nicm 2366: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2367: /*
2368: * And not a 256 colour mode? Translate to 16-colour
2369: * palette. Bold background doesn't exist portably, so just
2370: * discard the bold bit if set.
2371: */
1.224 nicm 2372: if (colours != 256) {
1.85 nicm 2373: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2374: if (gc->bg & 8) {
1.85 nicm 2375: gc->bg &= 7;
1.175 nicm 2376: if (colours >= 16)
1.322 nicm 2377: gc->bg += 90;
1.175 nicm 2378: }
1.85 nicm 2379: }
2380: return;
2381: }
2382:
2383: /* Is this an aixterm colour? */
1.175 nicm 2384: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2385: gc->bg -= 90;
2386: }
2387:
1.207 nicm 2388: static void
1.85 nicm 2389: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2390: {
1.61 nicm 2391: struct grid_cell *tc = &tty->cell;
1.79 nicm 2392: char s[32];
1.1 nicm 2393:
1.204 nicm 2394: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2395: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2396: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 2397: goto save_fg;
1.199 nicm 2398: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2399: return;
1.1 nicm 2400: }
2401:
1.79 nicm 2402: /* Is this an aixterm bright colour? */
1.204 nicm 2403: if (gc->fg >= 90 && gc->fg <= 97) {
1.323 nicm 2404: if (tty->term_flags & TERM_256COLOURS) {
2405: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2406: tty_puts(tty, s);
2407: } else
2408: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.85 nicm 2409: goto save_fg;
1.79 nicm 2410: }
2411:
1.61 nicm 2412: /* Otherwise set the foreground colour. */
1.204 nicm 2413: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2414:
1.77 nicm 2415: save_fg:
1.61 nicm 2416: /* Save the new values in the terminal current cell. */
1.204 nicm 2417: tc->fg = gc->fg;
1.1 nicm 2418: }
2419:
1.207 nicm 2420: static void
1.73 nicm 2421: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2422: {
1.61 nicm 2423: struct grid_cell *tc = &tty->cell;
1.79 nicm 2424: char s[32];
1.1 nicm 2425:
1.204 nicm 2426: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2427: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2428: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 2429: goto save_bg;
1.199 nicm 2430: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2431: return;
1.79 nicm 2432: }
2433:
2434: /* Is this an aixterm bright colour? */
1.204 nicm 2435: if (gc->bg >= 90 && gc->bg <= 97) {
1.323 nicm 2436: if (tty->term_flags & TERM_256COLOURS) {
2437: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2438: tty_puts(tty, s);
2439: } else
2440: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.175 nicm 2441: goto save_bg;
1.1 nicm 2442: }
2443:
1.61 nicm 2444: /* Otherwise set the background colour. */
1.204 nicm 2445: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2446:
2447: save_bg:
2448: /* Save the new values in the terminal current cell. */
1.204 nicm 2449: tc->bg = gc->bg;
1.61 nicm 2450: }
2451:
1.207 nicm 2452: static int
1.204 nicm 2453: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2454: {
1.204 nicm 2455: u_char r, g, b;
1.61 nicm 2456: char s[32];
2457:
1.204 nicm 2458: if (colour & COLOUR_FLAG_256) {
2459: /*
1.300 nicm 2460: * If the user has specified -2 to the client (meaning
2461: * TERM_256COLOURS is set), setaf and setab may not work (or
2462: * they may not want to use them), so send the usual sequence.
2463: *
2464: * Also if RGB is set, setaf and setab do not support the 256
2465: * colour palette so use the sequences directly there too.
1.204 nicm 2466: */
1.300 nicm 2467: if ((tty->term_flags & TERM_256COLOURS) ||
2468: tty_term_has(tty->term, TTYC_RGB))
1.204 nicm 2469: goto fallback_256;
1.189 nicm 2470:
1.204 nicm 2471: /*
2472: * If the terminfo entry has 256 colours and setaf and setab
2473: * exist, assume that they work correctly.
2474: */
2475: if (tty->term->flags & TERM_256COLOURS) {
2476: if (*type == '3') {
2477: if (!tty_term_has(tty->term, TTYC_SETAF))
2478: goto fallback_256;
2479: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2480: } else {
2481: if (!tty_term_has(tty->term, TTYC_SETAB))
2482: goto fallback_256;
2483: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2484: }
2485: return (0);
1.188 nicm 2486: }
1.204 nicm 2487: goto fallback_256;
2488: }
2489:
2490: if (colour & COLOUR_FLAG_RGB) {
1.286 nicm 2491: if (*type == '3') {
2492: if (!tty_term_has(tty->term, TTYC_SETRGBF))
2493: return (-1);
2494: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
2495: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
2496: } else {
2497: if (!tty_term_has(tty->term, TTYC_SETRGBB))
2498: return (-1);
2499: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
2500: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
2501: }
1.165 nicm 2502: return (0);
2503: }
1.61 nicm 2504:
1.165 nicm 2505: return (-1);
1.188 nicm 2506:
1.204 nicm 2507: fallback_256:
2508: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.300 nicm 2509: log_debug("%s: 256 colour fallback: %s", tty->client->name, s);
1.188 nicm 2510: tty_puts(tty, s);
2511: return (0);
1.176 nicm 2512: }
2513:
1.207 nicm 2514: static void
1.317 nicm 2515: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2516: {
1.326 ! nicm 2517: struct options *oo = wp->options;
! 2518: struct style *style, *active_style;
! 2519: int c;
! 2520:
! 2521: if (wp->flags & PANE_STYLECHANGED) {
! 2522: wp->flags &= ~PANE_STYLECHANGED;
! 2523:
! 2524: active_style = options_get_style(oo, "window-active-style");
! 2525: style = options_get_style(oo, "window-style");
! 2526:
! 2527: style_copy(&wp->cached_active_style, active_style);
! 2528: style_copy(&wp->cached_style, style);
1.203 nicm 2529: } else {
1.326 ! nicm 2530: active_style = &wp->cached_active_style;
! 2531: style = &wp->cached_style;
1.203 nicm 2532: }
1.176 nicm 2533:
1.204 nicm 2534: if (gc->fg == 8) {
1.326 ! nicm 2535: if (wp == wp->window->active && active_style->gc.fg != 8)
! 2536: gc->fg = active_style->gc.fg;
1.204 nicm 2537: else
1.326 ! nicm 2538: gc->fg = style->gc.fg;
1.219 nicm 2539:
1.310 nicm 2540: if (gc->fg != 8) {
2541: c = window_pane_get_palette(wp, gc->fg);
2542: if (c != -1)
2543: gc->fg = c;
2544: }
1.176 nicm 2545: }
2546:
1.204 nicm 2547: if (gc->bg == 8) {
1.326 ! nicm 2548: if (wp == wp->window->active && active_style->gc.bg != 8)
! 2549: gc->bg = active_style->gc.bg;
1.204 nicm 2550: else
1.326 ! nicm 2551: gc->bg = style->gc.bg;
1.219 nicm 2552:
1.310 nicm 2553: if (gc->bg != 8) {
2554: c = window_pane_get_palette(wp, gc->bg);
2555: if (c != -1)
2556: gc->bg = c;
2557: }
1.176 nicm 2558: }
1.210 nicm 2559: }
2560:
2561: static void
1.317 nicm 2562: tty_default_attributes(struct tty *tty, struct window_pane *wp, u_int bg)
1.210 nicm 2563: {
2564: static struct grid_cell gc;
2565:
2566: memcpy(&gc, &grid_default_cell, sizeof gc);
2567: gc.bg = bg;
2568: tty_attributes(tty, &gc, wp);
1.1 nicm 2569: }
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