Annotation of src/usr.bin/tmux/tty.c, Revision 1.321
1.321 ! nicm 1: /* $OpenBSD: tty.c,v 1.320 2019/04/17 14:43:49 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:
1.90 nicm 530: if (tty->cell.attr & GRID_ATTR_CHARSET) {
531: acs = tty_acs_get(tty, ch);
1.243 nicm 532: if (acs != NULL)
533: tty_add(tty, acs, strlen(acs));
534: else
535: tty_add(tty, &ch, 1);
536: } else
537: tty_add(tty, &ch, 1);
1.1 nicm 538:
539: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 540: if (tty->cx >= tty->sx) {
1.46 nicm 541: tty->cx = 1;
542: if (tty->cy != tty->rlower)
543: tty->cy++;
1.211 nicm 544:
545: /*
546: * On !xenl terminals, force the cursor position to
547: * where we think it should be after a line wrap - this
548: * means it works on sensible terminals as well.
549: */
550: if (tty->term->flags & TERM_EARLYWRAP)
551: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 552: } else
553: tty->cx++;
554: }
555: }
556:
557: void
1.147 nicm 558: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 559: {
1.243 nicm 560: tty_add(tty, buf, len);
1.268 nicm 561: if (tty->cx + width > tty->sx) {
562: tty->cx = (tty->cx + width) - tty->sx;
563: if (tty->cx <= tty->sx)
564: tty->cy++;
565: else
566: tty->cx = tty->cy = UINT_MAX;
567: } else
1.254 nicm 568: tty->cx += width;
1.5 nicm 569: }
570:
1.207 nicm 571: static void
1.180 nicm 572: tty_set_italics(struct tty *tty)
573: {
574: const char *s;
575:
576: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 577: s = options_get_string(global_options, "default-terminal");
1.180 nicm 578: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
579: tty_putcode(tty, TTYC_SITM);
580: return;
581: }
582: }
583: tty_putcode(tty, TTYC_SMSO);
584: }
585:
586: void
1.1 nicm 587: tty_set_title(struct tty *tty, const char *title)
588: {
1.105 nicm 589: if (!tty_term_has(tty->term, TTYC_TSL) ||
590: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 591: return;
592:
1.105 nicm 593: tty_putcode(tty, TTYC_TSL);
1.1 nicm 594: tty_puts(tty, title);
1.105 nicm 595: tty_putcode(tty, TTYC_FSL);
1.1 nicm 596: }
597:
1.208 nicm 598: static void
1.107 nicm 599: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
600: {
601: if (*ccolour == '\0')
602: tty_putcode(tty, TTYC_CR);
603: else
1.160 nicm 604: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 605: free(tty->ccolour);
1.107 nicm 606: tty->ccolour = xstrdup(ccolour);
607: }
608:
609: void
610: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 611: {
612: int changed;
613:
1.197 nicm 614: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 615: tty_force_cursor_colour(tty, s->ccolour);
616:
1.1 nicm 617: if (tty->flags & TTY_NOCURSOR)
618: mode &= ~MODE_CURSOR;
619:
620: changed = mode ^ tty->mode;
1.183 nicm 621: if (changed & MODE_BLINKING) {
622: if (tty_term_has(tty->term, TTYC_CVVIS))
623: tty_putcode(tty, TTYC_CVVIS);
624: else
625: tty_putcode(tty, TTYC_CNORM);
626: changed |= MODE_CURSOR;
627: }
628: if (changed & MODE_CURSOR) {
629: if (mode & MODE_CURSOR)
630: tty_putcode(tty, TTYC_CNORM);
631: else
1.1 nicm 632: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 633: }
1.181 nicm 634: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 635: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 636: if (s->cstyle == 0 &&
1.160 nicm 637: tty_term_has(tty->term, TTYC_SE))
638: tty_putcode(tty, TTYC_SE);
1.108 nicm 639: else
1.160 nicm 640: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 641: }
642: tty->cstyle = s->cstyle;
1.1 nicm 643: }
1.195 nicm 644: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 645: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 646: /*
647: * Enable the SGR (1006) extension unconditionally, as
1.221 nicm 648: * it is safe from misinterpretation.
1.153 nicm 649: */
650: tty_puts(tty, "\033[?1006h");
1.225 nicm 651: if (mode & MODE_MOUSE_ALL)
652: tty_puts(tty, "\033[?1003h");
653: else if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 654: tty_puts(tty, "\033[?1002h");
1.98 nicm 655: else if (mode & MODE_MOUSE_STANDARD)
656: tty_puts(tty, "\033[?1000h");
1.86 nicm 657: } else {
1.225 nicm 658: if (tty->mode & MODE_MOUSE_ALL)
659: tty_puts(tty, "\033[?1003l");
660: else if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 661: tty_puts(tty, "\033[?1002l");
1.98 nicm 662: else if (tty->mode & MODE_MOUSE_STANDARD)
663: tty_puts(tty, "\033[?1000l");
1.153 nicm 664: tty_puts(tty, "\033[?1006l");
1.86 nicm 665: }
1.115 nicm 666: }
667: if (changed & MODE_BRACKETPASTE) {
668: if (mode & MODE_BRACKETPASTE)
669: tty_puts(tty, "\033[?2004h");
670: else
671: tty_puts(tty, "\033[?2004l");
1.1 nicm 672: }
673: tty->mode = mode;
674: }
675:
1.207 nicm 676: static void
1.168 nicm 677: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
678: enum tty_code_code code1, u_int n)
1.1 nicm 679: {
680: if (tty_term_has(tty->term, code))
681: tty_putcode1(tty, code, n);
682: else {
683: while (n-- > 0)
684: tty_putcode(tty, code1);
685: }
686: }
687:
1.207 nicm 688: static void
1.133 nicm 689: tty_repeat_space(struct tty *tty, u_int n)
690: {
1.257 nicm 691: static char s[500];
692:
693: if (*s != ' ')
694: memset(s, ' ', sizeof s);
695:
696: while (n > sizeof s) {
697: tty_putn(tty, s, sizeof s, sizeof s);
698: n -= sizeof s;
699: }
700: if (n != 0)
701: tty_putn(tty, s, n, n);
1.304 nicm 702: }
703:
1.309 nicm 704: /* Is this window bigger than the terminal? */
705: int
706: tty_window_bigger(struct tty *tty)
707: {
708: struct client *c = tty->client;
709: struct window *w = c->session->curw->window;
710:
711: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
712: }
713:
714: /* What offset should this window be drawn at? */
715: int
716: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
717: {
718: *ox = tty->oox;
719: *oy = tty->ooy;
720: *sx = tty->osx;
721: *sy = tty->osy;
722:
723: return (tty->oflag);
724: }
725:
726: /* What offset should this window be drawn at? */
727: static int
728: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
729: {
730: struct client *c = tty->client;
731: struct window *w = c->session->curw->window;
732: struct window_pane *wp = w->active;
733: u_int cx, cy, lines;
734:
735: lines = status_line_size(c);
736:
737: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
738: *ox = 0;
739: *oy = 0;
740: *sx = w->sx;
741: *sy = w->sy;
742:
743: c->pan_window = NULL;
744: return (0);
745: }
746:
747: *sx = tty->sx;
748: *sy = tty->sy - lines;
749:
750: if (c->pan_window == w) {
751: if (*sx >= w->sx)
752: c->pan_ox = 0;
753: else if (c->pan_ox + *sx > w->sx)
754: c->pan_ox = w->sx - *sx;
755: *ox = c->pan_ox;
756: if (*sy >= w->sy)
757: c->pan_oy = 0;
758: else if (c->pan_oy + *sy > w->sy)
759: c->pan_oy = w->sy - *sy;
760: *oy = c->pan_oy;
761: return (1);
762: }
763:
764: if (~wp->screen->mode & MODE_CURSOR) {
765: *ox = 0;
766: *oy = 0;
767: } else {
768: cx = wp->xoff + wp->screen->cx;
769: cy = wp->yoff + wp->screen->cy;
770:
771: if (cx < *sx)
772: *ox = 0;
773: else if (cx > w->sx - *sx)
774: *ox = w->sx - *sx;
775: else
776: *ox = cx - *sx / 2;
777:
778: if (cy < *sy)
779: *oy = 0;
780: else if (cy > w->sy - *sy)
781: *oy = w->sy - *sy;
782: else
783: *oy = cy - *sy / 2;
784: }
785:
786: c->pan_window = NULL;
787: return (1);
788: }
789:
790: /* Update stored offsets for a window and redraw if necessary. */
791: void
792: tty_update_window_offset(struct window *w)
793: {
794: struct client *c;
795:
796: TAILQ_FOREACH(c, &clients, entry) {
797: if (c->session != NULL && c->session->curw->window == w)
798: tty_update_client_offset(c);
799: }
800: }
801:
802: /* Update stored offsets for a client and redraw if necessary. */
803: void
804: tty_update_client_offset(struct client *c)
1.304 nicm 805: {
1.309 nicm 806: u_int ox, oy, sx, sy;
1.314 nicm 807:
808: if (~c->flags & CLIENT_TERMINAL)
809: return;
1.304 nicm 810:
1.309 nicm 811: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
812: if (ox == c->tty.oox &&
813: oy == c->tty.ooy &&
814: sx == c->tty.osx &&
815: sy == c->tty.osy)
816: return;
817:
818: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
819: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
820: ox, oy, sx, sy);
821:
822: c->tty.oox = ox;
823: c->tty.ooy = oy;
824: c->tty.osx = sx;
825: c->tty.osy = sy;
826:
827: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 828: }
829:
1.1 nicm 830: /*
1.119 nicm 831: * Is the region large enough to be worth redrawing once later rather than
832: * probably several times now? Currently yes if it is more than 50% of the
833: * pane.
834: */
1.207 nicm 835: static int
1.194 nicm 836: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 837: {
838: struct window_pane *wp = ctx->wp;
839:
840: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
841: }
842:
843: /*
1.176 nicm 844: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
845: * emulated.
846: */
1.207 nicm 847: static int
1.317 nicm 848: tty_fake_bce(const struct tty *tty, struct window_pane *wp, u_int bg)
1.176 nicm 849: {
850: struct grid_cell gc;
851:
1.210 nicm 852: if (tty_term_flag(tty->term, TTYC_BCE))
853: return (0);
854:
1.176 nicm 855: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 856: if (wp != NULL)
857: tty_default_colours(&gc, wp);
1.176 nicm 858:
1.310 nicm 859: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc.bg))
1.210 nicm 860: return (1);
861: return (0);
1.176 nicm 862: }
863:
864: /*
1.1 nicm 865: * Redraw scroll region using data from screen (already updated). Used when
866: * CSR not supported, or window is a pane that doesn't take up the full
867: * width of the terminal.
868: */
1.207 nicm 869: static void
1.24 nicm 870: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 871: {
1.14 nicm 872: struct window_pane *wp = ctx->wp;
873: struct screen *s = wp->screen;
1.204 nicm 874: u_int i;
1.1 nicm 875:
876: /*
1.119 nicm 877: * If region is large, schedule a window redraw. In most cases this is
878: * likely to be followed by some more scrolling.
1.1 nicm 879: */
1.119 nicm 880: if (tty_large_region(tty, ctx)) {
1.1 nicm 881: wp->flags |= PANE_REDRAW;
882: return;
883: }
884:
1.14 nicm 885: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
886: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.309 nicm 887: tty_draw_pane(tty, ctx, i);
1.1 nicm 888: } else {
1.14 nicm 889: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.309 nicm 890: tty_draw_pane(tty, ctx, i);
1.1 nicm 891: }
892: }
893:
1.309 nicm 894: /* Is this position visible in the pane? */
895: static int
896: tty_is_visible(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
897: u_int nx, u_int ny)
898: {
899: u_int xoff = ctx->xoff + px, yoff = ctx->yoff + py, lines;
900:
901: if (!ctx->bigger)
902: return (1);
903:
904: if (status_at_line(tty->client) == 0)
905: lines = status_line_size(tty->client);
906: else
907: lines = 0;
908:
909: if (xoff + nx <= ctx->ox || xoff >= ctx->ox + ctx->sx ||
1.320 nicm 910: yoff + ny <= ctx->oy || yoff >= lines + ctx->oy + ctx->sy)
1.309 nicm 911: return (0);
912: return (1);
913: }
914:
915: /* Clamp line position to visible part of pane. */
916: static int
917: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
918: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
919: {
920: struct window_pane *wp = ctx->wp;
921: u_int xoff = wp->xoff + px;
922:
923: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
924: return (0);
925: *ry = ctx->yoff + py - ctx->oy;
926:
927: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
928: /* All visible. */
929: *i = 0;
930: *x = ctx->xoff + px - ctx->ox;
931: *rx = nx;
932: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
933: /* Both left and right not visible. */
934: *i = ctx->ox;
935: *x = 0;
936: *rx = ctx->sx;
937: } else if (xoff < ctx->ox) {
938: /* Left not visible. */
939: *i = ctx->ox - (ctx->xoff + px);
940: *x = 0;
941: *rx = nx - *i;
942: } else {
943: /* Right not visible. */
944: *i = 0;
945: *x = (ctx->xoff + px) - ctx->ox;
946: *rx = ctx->sx - *x;
947: }
948: if (*rx > nx)
949: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
950:
951: return (1);
952: }
953:
954: /* Clear a line. */
1.271 nicm 955: static void
1.317 nicm 956: tty_clear_line(struct tty *tty, struct window_pane *wp, u_int py, u_int px,
957: u_int nx, u_int bg)
1.271 nicm 958: {
1.309 nicm 959: struct client *c = tty->client;
960:
961: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 962:
963: /* Nothing to clear. */
964: if (nx == 0)
965: return;
966:
967: /* If genuine BCE is available, can try escape sequences. */
968: if (!tty_fake_bce(tty, wp, bg)) {
969: /* Off the end of the line, use EL if available. */
970: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
971: tty_cursor(tty, px, py);
972: tty_putcode(tty, TTYC_EL);
973: return;
974: }
975:
976: /* At the start of the line. Use EL1. */
977: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
978: tty_cursor(tty, px + nx - 1, py);
979: tty_putcode(tty, TTYC_EL1);
980: return;
981: }
982:
983: /* Section of line. Use ECH if possible. */
984: if (tty_term_has(tty->term, TTYC_ECH)) {
985: tty_cursor(tty, px, py);
986: tty_putcode1(tty, TTYC_ECH, nx);
987: return;
988: }
989: }
990:
991: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 992: tty_cursor(tty, px, py);
1.271 nicm 993: tty_repeat_space(tty, nx);
994: }
995:
1.309 nicm 996: /* Clear a line, adjusting to visible part of pane. */
997: static void
998: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
999: u_int px, u_int nx, u_int bg)
1000: {
1001: struct client *c = tty->client;
1002: u_int i, x, rx, ry;
1003:
1004: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1005:
1006: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1007: tty_clear_line(tty, ctx->wp, ry, x, rx, bg);
1008: }
1009:
1010: /* Clamp area position to visible part of pane. */
1011: static int
1012: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1013: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1014: u_int *ry)
1015: {
1016: struct window_pane *wp = ctx->wp;
1017: u_int xoff = wp->xoff + px, yoff = wp->yoff + py;
1018:
1019: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1020: return (0);
1021:
1022: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
1023: /* All visible. */
1024: *i = 0;
1025: *x = ctx->xoff + px - ctx->ox;
1026: *rx = nx;
1027: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
1028: /* Both left and right not visible. */
1029: *i = ctx->ox;
1030: *x = 0;
1031: *rx = ctx->sx;
1032: } else if (xoff < ctx->ox) {
1033: /* Left not visible. */
1034: *i = ctx->ox - (ctx->xoff + px);
1035: *x = 0;
1036: *rx = nx - *i;
1037: } else {
1038: /* Right not visible. */
1039: *i = 0;
1040: *x = (ctx->xoff + px) - ctx->ox;
1041: *rx = ctx->sx - *x;
1042: }
1043: if (*rx > nx)
1044: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1045:
1046: if (yoff >= ctx->oy && yoff + ny <= ctx->oy + ctx->sy) {
1047: /* All visible. */
1048: *j = 0;
1049: *y = ctx->yoff + py - ctx->oy;
1050: *ry = ny;
1051: } else if (yoff < ctx->oy && yoff + ny > ctx->oy + ctx->sy) {
1052: /* Both left and right not visible. */
1053: *j = ctx->oy;
1054: *y = 0;
1055: *ry = ctx->sy;
1056: } else if (yoff < ctx->oy) {
1057: /* Left not visible. */
1058: *j = ctx->oy - (ctx->yoff + py);
1059: *y = 0;
1060: *ry = ny - *j;
1061: } else {
1062: /* Right not visible. */
1063: *j = 0;
1064: *y = (ctx->yoff + py) - ctx->oy;
1065: *ry = ctx->sy - *y;
1066: }
1067: if (*ry > ny)
1068: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1069:
1070: return (1);
1071: }
1072:
1073: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1074: static void
1.317 nicm 1075: tty_clear_area(struct tty *tty, struct window_pane *wp, u_int py, u_int ny,
1076: u_int px, u_int nx, u_int bg)
1.271 nicm 1077: {
1.309 nicm 1078: struct client *c = tty->client;
1079: u_int yy;
1080: char tmp[64];
1.271 nicm 1081:
1.309 nicm 1082: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1083:
1084: /* Nothing to clear. */
1085: if (nx == 0 || ny == 0)
1086: return;
1087:
1088: /* If genuine BCE is available, can try escape sequences. */
1089: if (!tty_fake_bce(tty, wp, bg)) {
1.276 nicm 1090: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1091: if (px == 0 &&
1092: px + nx >= tty->sx &&
1093: py + ny >= tty->sy &&
1094: tty_term_has(tty->term, TTYC_ED)) {
1095: tty_cursor(tty, 0, py);
1096: tty_putcode(tty, TTYC_ED);
1.274 nicm 1097: return;
1098: }
1099:
1100: /*
1.276 nicm 1101: * On VT420 compatible terminals we can use DECFRA if the
1102: * background colour isn't default (because it doesn't work
1103: * after SGR 0).
1.274 nicm 1104: */
1.313 nicm 1105: if (tty->term_type == TTY_VT420 && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1106: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1107: py + 1, px + 1, py + ny, px + nx);
1108: tty_puts(tty, tmp);
1.276 nicm 1109: return;
1110: }
1111:
1.280 nicm 1112: /* Full lines can be scrolled away to clear them. */
1113: if (px == 0 &&
1.281 nicm 1114: px + nx >= tty->sx &&
1.280 nicm 1115: ny > 2 &&
1116: tty_term_has(tty->term, TTYC_CSR) &&
1117: tty_term_has(tty->term, TTYC_INDN)) {
1118: tty_region(tty, py, py + ny - 1);
1119: tty_margin_off(tty);
1.284 nicm 1120: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1121: return;
1122: }
1123:
1.276 nicm 1124: /*
1125: * If margins are supported, can just scroll the area off to
1126: * clear it.
1127: */
1.277 nicm 1128: if (nx > 2 &&
1129: ny > 2 &&
1.280 nicm 1130: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1131: tty_use_margin(tty) &&
1132: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1133: tty_region(tty, py, py + ny - 1);
1134: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1135: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1136: return;
1137: }
1138: }
1139:
1140: /* Couldn't use an escape sequence, loop over the lines. */
1141: for (yy = py; yy < py + ny; yy++)
1142: tty_clear_line(tty, wp, yy, px, nx, bg);
1143: }
1144:
1.309 nicm 1145: /* Clear an area in a pane. */
1146: static void
1147: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1148: u_int ny, u_int px, u_int nx, u_int bg)
1149: {
1150: u_int i, j, x, y, rx, ry;
1151:
1152: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1153: tty_clear_area(tty, ctx->wp, y, ry, x, rx, bg);
1154: }
1155:
1156: static void
1157: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1158: {
1.309 nicm 1159: struct window_pane *wp = ctx->wp;
1160: struct screen *s = wp->screen;
1161: u_int nx = screen_size_x(s), i, x, rx, ry;
1162:
1163: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1164:
1165: if (!ctx->bigger) {
1166: tty_draw_line(tty, wp, s, 0, py, nx, ctx->xoff, ctx->yoff + py);
1167: return;
1168: }
1169: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry))
1170: tty_draw_line(tty, wp, s, i, py, rx, x, ry);
1.176 nicm 1171: }
1172:
1.298 nicm 1173: static const struct grid_cell *
1174: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1175: {
1176: static struct grid_cell new;
1177: u_int n;
1178:
1179: /* Characters less than 0x7f are always fine, no matter what. */
1180: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1181: return (gc);
1182:
1183: /* UTF-8 terminal and a UTF-8 character - fine. */
1184: if (tty->flags & TTY_UTF8)
1185: return (gc);
1186:
1187: /* Replace by the right number of underscores. */
1188: n = gc->data.width;
1189: if (n > UTF8_SIZE)
1190: n = UTF8_SIZE;
1191: memcpy(&new, gc, sizeof new);
1192: new.data.size = n;
1193: memset(new.data.data, '_', n);
1194: return (&new);
1195: }
1196:
1.176 nicm 1197: void
1.317 nicm 1198: tty_draw_line(struct tty *tty, struct window_pane *wp, struct screen *s,
1199: u_int px, u_int py, u_int nx, u_int atx, u_int aty)
1.1 nicm 1200: {
1.297 nicm 1201: struct grid *gd = s->grid;
1.250 nicm 1202: struct grid_cell gc, last;
1.298 nicm 1203: const struct grid_cell *gcp;
1.309 nicm 1204: struct grid_line *gl;
1205: u_int i, j, ux, sx, width;
1.259 nicm 1206: int flags, cleared = 0;
1.250 nicm 1207: char buf[512];
1.315 nicm 1208: size_t len;
1.303 nicm 1209: u_int cellsize;
1.1 nicm 1210:
1.309 nicm 1211: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1212: px, py, nx, atx, aty);
1213:
1214: /*
1215: * py is the line in the screen to draw.
1216: * px is the start x and nx is the width to draw.
1217: * atx,aty is the line on the terminal to draw it.
1218: */
1219:
1.259 nicm 1220: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1221: tty->flags |= TTY_NOCURSOR;
1222: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1223:
1.214 nicm 1224: tty_region_off(tty);
1225: tty_margin_off(tty);
1226:
1.273 nicm 1227: /*
1228: * Clamp the width to cellsize - note this is not cellused, because
1229: * there may be empty background cells after it (from BCE).
1230: */
1.1 nicm 1231: sx = screen_size_x(s);
1.309 nicm 1232: if (nx > sx)
1233: nx = sx;
1.303 nicm 1234: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1235: if (sx > cellsize)
1236: sx = cellsize;
1.1 nicm 1237: if (sx > tty->sx)
1238: sx = tty->sx;
1.309 nicm 1239: if (sx > nx)
1240: sx = nx;
1.292 nicm 1241: ux = 0;
1.1 nicm 1242:
1.309 nicm 1243: if (py == 0)
1244: gl = NULL;
1245: else
1246: gl = grid_get_line(gd, gd->hsize + py - 1);
1.268 nicm 1247: if (wp == NULL ||
1.309 nicm 1248: gl == NULL ||
1249: (~gl->flags & GRID_LINE_WRAPPED) ||
1250: atx != 0 ||
1.268 nicm 1251: tty->cx < tty->sx ||
1.309 nicm 1252: nx < tty->sx) {
1253: if (nx < tty->sx &&
1254: atx == 0 &&
1255: px + sx != nx &&
1.268 nicm 1256: tty_term_has(tty->term, TTYC_EL1) &&
1257: !tty_fake_bce(tty, wp, 8)) {
1258: tty_default_attributes(tty, wp, 8);
1.309 nicm 1259: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1260: tty_putcode(tty, TTYC_EL1);
1261: cleared = 1;
1262: }
1263: } else
1.309 nicm 1264: log_debug("%s: wrapped line %u", __func__, aty);
1.250 nicm 1265:
1266: memcpy(&last, &grid_default_cell, sizeof last);
1267: len = 0;
1268: width = 0;
1.46 nicm 1269:
1.1 nicm 1270: for (i = 0; i < sx; i++) {
1.309 nicm 1271: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1272: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1273: if (len != 0 &&
1.298 nicm 1274: ((gcp->attr & GRID_ATTR_CHARSET) ||
1275: gcp->flags != last.flags ||
1276: gcp->attr != last.attr ||
1277: gcp->fg != last.fg ||
1278: gcp->bg != last.bg ||
1.315 nicm 1279: ux + width + gcp->data.width > nx ||
1.298 nicm 1280: (sizeof buf) - len < gcp->data.size)) {
1.316 nicm 1281: tty_attributes(tty, &last, wp);
1.315 nicm 1282: if (last.flags & GRID_FLAG_CLEARED) {
1283: log_debug("%s: %zu cleared", __func__, len);
1284: tty_clear_line(tty, wp, aty, atx + ux, width,
1285: last.bg);
1286: } else {
1287: tty_cursor(tty, atx + ux, aty);
1288: tty_putn(tty, buf, len, width);
1289: }
1.292 nicm 1290: ux += width;
1.250 nicm 1291:
1292: len = 0;
1293: width = 0;
1294: }
1295:
1.298 nicm 1296: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1297: screen_select_cell(s, &last, gcp);
1.250 nicm 1298: else
1.299 nicm 1299: memcpy(&last, gcp, sizeof last);
1.309 nicm 1300: if (ux + gcp->data.width > nx) {
1.299 nicm 1301: tty_attributes(tty, &last, wp);
1.315 nicm 1302: tty_cursor(tty, atx + ux, aty);
1.298 nicm 1303: for (j = 0; j < gcp->data.width; j++) {
1.309 nicm 1304: if (ux + j > nx)
1.297 nicm 1305: break;
1306: tty_putc(tty, ' ');
1307: ux++;
1308: }
1.299 nicm 1309: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1310: tty_attributes(tty, &last, wp);
1.315 nicm 1311: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1312: for (j = 0; j < gcp->data.size; j++)
1313: tty_putc(tty, gcp->data.data[j]);
1314: ux += gc.data.width;
1315: } else {
1.298 nicm 1316: memcpy(buf + len, gcp->data.data, gcp->data.size);
1317: len += gcp->data.size;
1318: width += gcp->data.width;
1.250 nicm 1319: }
1320: }
1.315 nicm 1321: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.316 nicm 1322: tty_attributes(tty, &last, wp);
1.315 nicm 1323: if (last.flags & GRID_FLAG_CLEARED) {
1324: log_debug("%s: %zu cleared (end)", __func__, len);
1325: tty_clear_line(tty, wp, aty, atx + ux, width, last.bg);
1326: } else {
1327: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1328: tty_putn(tty, buf, len, width);
1329: }
1.315 nicm 1330: ux += width;
1.1 nicm 1331: }
1332:
1.309 nicm 1333: if (!cleared && ux < nx) {
1.315 nicm 1334: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1335: nx - ux, len);
1.210 nicm 1336: tty_default_attributes(tty, wp, 8);
1.309 nicm 1337: tty_clear_line(tty, wp, aty, atx + ux, nx - ux, 8);
1.35 nicm 1338: }
1.1 nicm 1339:
1.181 nicm 1340: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1341: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1342: }
1343:
1.201 nicm 1344: static int
1.182 nicm 1345: tty_client_ready(struct client *c, struct window_pane *wp)
1346: {
1347: if (c->session == NULL || c->tty.term == NULL)
1348: return (0);
1.305 nicm 1349: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1350: return (0);
1351: if (c->tty.flags & TTY_FREEZE)
1352: return (0);
1353: if (c->session->curw->window != wp->window)
1354: return (0);
1.309 nicm 1355: if (wp->layout_cell == NULL)
1356: return (0);
1.182 nicm 1357: return (1);
1358: }
1359:
1.15 nicm 1360: void
1.182 nicm 1361: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1362: struct tty_ctx *ctx)
1.15 nicm 1363: {
1364: struct window_pane *wp = ctx->wp;
1365: struct client *c;
1366:
1367: if (wp == NULL)
1368: return;
1.309 nicm 1369: if (wp->flags & (PANE_REDRAW|PANE_DROP))
1.15 nicm 1370: return;
1371:
1.178 nicm 1372: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 1373: if (!tty_client_ready(c, wp))
1.15 nicm 1374: continue;
1375:
1.309 nicm 1376: ctx->bigger = tty_window_offset(&c->tty, &ctx->ox, &ctx->oy,
1377: &ctx->sx, &ctx->sy);
1378:
1.139 nicm 1379: ctx->xoff = wp->xoff;
1380: ctx->yoff = wp->yoff;
1.309 nicm 1381:
1.139 nicm 1382: if (status_at_line(c) == 0)
1.309 nicm 1383: ctx->yoff += status_line_size(c);
1.113 nicm 1384:
1.139 nicm 1385: cmdfn(&c->tty, ctx);
1.1 nicm 1386: }
1387: }
1388:
1389: void
1.24 nicm 1390: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1391: {
1.77 nicm 1392: struct window_pane *wp = ctx->wp;
1.1 nicm 1393:
1.309 nicm 1394: if (ctx->bigger ||
1395: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1396: tty_fake_bce(tty, wp, ctx->bg) ||
1397: (!tty_term_has(tty->term, TTYC_ICH) &&
1398: !tty_term_has(tty->term, TTYC_ICH1))) {
1.309 nicm 1399: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1400: return;
1401: }
1402:
1.210 nicm 1403: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1404:
1.77 nicm 1405: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1406:
1.206 nicm 1407: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1408: }
1409:
1410: void
1.24 nicm 1411: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1412: {
1.77 nicm 1413: struct window_pane *wp = ctx->wp;
1.1 nicm 1414:
1.309 nicm 1415: if (ctx->bigger ||
1416: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1417: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 1418: (!tty_term_has(tty->term, TTYC_DCH) &&
1419: !tty_term_has(tty->term, TTYC_DCH1))) {
1.309 nicm 1420: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1421: return;
1422: }
1423:
1.210 nicm 1424: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1425:
1.77 nicm 1426: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1427:
1.206 nicm 1428: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1429: }
1430:
1431: void
1432: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1433: {
1.309 nicm 1434: if (ctx->bigger) {
1435: tty_draw_pane(tty, ctx, ctx->ocy);
1436: return;
1437: }
1438:
1.275 nicm 1439: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.146 nicm 1440:
1441: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1442:
1.210 nicm 1443: if (tty_term_has(tty->term, TTYC_ECH) &&
1.262 nicm 1444: !tty_fake_bce(tty, ctx->wp, 8))
1.146 nicm 1445: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1446: else
1447: tty_repeat_space(tty, ctx->num);
1.1 nicm 1448: }
1449:
1450: void
1.24 nicm 1451: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1452: {
1.309 nicm 1453: if (ctx->bigger ||
1454: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1455: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 1456: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1457: !tty_term_has(tty->term, TTYC_IL1) ||
1458: ctx->wp->sx == 1 ||
1459: ctx->wp->sy == 1) {
1.14 nicm 1460: tty_redraw_region(tty, ctx);
1.1 nicm 1461: return;
1462: }
1463:
1.210 nicm 1464: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1465:
1.77 nicm 1466: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1467: tty_margin_off(tty);
1.77 nicm 1468: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1469:
1.12 nicm 1470: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1471: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1472: }
1473:
1474: void
1.24 nicm 1475: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1476: {
1.309 nicm 1477: if (ctx->bigger ||
1478: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1479: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 1480: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1481: !tty_term_has(tty->term, TTYC_DL1) ||
1482: ctx->wp->sx == 1 ||
1483: ctx->wp->sy == 1) {
1.14 nicm 1484: tty_redraw_region(tty, ctx);
1.1 nicm 1485: return;
1486: }
1487:
1.210 nicm 1488: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1489:
1.77 nicm 1490: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1491: tty_margin_off(tty);
1.77 nicm 1492: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1493:
1.12 nicm 1494: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1495: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1496: }
1497:
1498: void
1.24 nicm 1499: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1500: {
1.77 nicm 1501: struct window_pane *wp = ctx->wp;
1.309 nicm 1502: u_int nx;
1.1 nicm 1503:
1.210 nicm 1504: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1505:
1.271 nicm 1506: nx = screen_size_x(wp->screen);
1.309 nicm 1507: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, nx, ctx->bg);
1.1 nicm 1508: }
1509:
1510: void
1.24 nicm 1511: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1512: {
1.77 nicm 1513: struct window_pane *wp = ctx->wp;
1.309 nicm 1514: u_int nx;
1.1 nicm 1515:
1.210 nicm 1516: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1517:
1.271 nicm 1518: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1519: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1520: }
1521:
1522: void
1.24 nicm 1523: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1524: {
1.210 nicm 1525: struct window_pane *wp = ctx->wp;
1526:
1527: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1528:
1.309 nicm 1529: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1530: }
1531:
1532: void
1.24 nicm 1533: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1534: {
1.278 nicm 1535: struct window_pane *wp = ctx->wp;
1536:
1.56 nicm 1537: if (ctx->ocy != ctx->orupper)
1538: return;
1539:
1.309 nicm 1540: if (ctx->bigger ||
1541: !tty_pane_full_width(tty, ctx) ||
1.278 nicm 1542: tty_fake_bce(tty, wp, 8) ||
1.70 nicm 1543: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1544: !tty_term_has(tty->term, TTYC_RI) ||
1545: ctx->wp->sx == 1 ||
1546: ctx->wp->sy == 1) {
1.14 nicm 1547: tty_redraw_region(tty, ctx);
1.1 nicm 1548: return;
1549: }
1550:
1.278 nicm 1551: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1552:
1.56 nicm 1553: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1554: tty_margin_off(tty);
1.56 nicm 1555: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1556:
1.56 nicm 1557: tty_putcode(tty, TTYC_RI);
1.1 nicm 1558: }
1559:
1560: void
1.24 nicm 1561: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1562: {
1.77 nicm 1563: struct window_pane *wp = ctx->wp;
1.1 nicm 1564:
1.56 nicm 1565: if (ctx->ocy != ctx->orlower)
1566: return;
1567:
1.309 nicm 1568: if (ctx->bigger ||
1569: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1570: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1571: !tty_term_has(tty->term, TTYC_CSR) ||
1572: wp->sx == 1 ||
1573: wp->sy == 1) {
1.236 nicm 1574: tty_redraw_region(tty, ctx);
1.1 nicm 1575: return;
1576: }
1.52 nicm 1577:
1.278 nicm 1578: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1579:
1.56 nicm 1580: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1581: tty_margin_pane(tty, ctx);
1582:
1583: /*
1.301 nicm 1584: * If we want to wrap a pane while using margins, the cursor needs to
1585: * be exactly on the right of the region. If the cursor is entirely off
1586: * the edge - move it back to the right. Some terminals are funny about
1587: * this and insert extra spaces, so only use the right if margins are
1588: * enabled.
1.212 nicm 1589: */
1.301 nicm 1590: if (ctx->xoff + ctx->ocx > tty->rright) {
1591: if (!tty_use_margin(tty))
1592: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1593: else
1594: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1595: } else
1.212 nicm 1596: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1597:
1.56 nicm 1598: tty_putc(tty, '\n');
1.240 nicm 1599: }
1600:
1601: void
1602: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1603: {
1604: struct window_pane *wp = ctx->wp;
1.284 nicm 1605: u_int i;
1.240 nicm 1606:
1.309 nicm 1607: if (ctx->bigger ||
1608: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1609: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1610: !tty_term_has(tty->term, TTYC_CSR) ||
1611: wp->sx == 1 ||
1612: wp->sy == 1) {
1.240 nicm 1613: tty_redraw_region(tty, ctx);
1614: return;
1615: }
1616:
1.278 nicm 1617: tty_default_attributes(tty, wp, ctx->bg);
1.240 nicm 1618:
1619: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1620: tty_margin_pane(tty, ctx);
1621:
1.284 nicm 1622: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1623: if (!tty_use_margin(tty))
1624: tty_cursor(tty, 0, tty->rlower);
1625: else
1626: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1627: for (i = 0; i < ctx->num; i++)
1.240 nicm 1628: tty_putc(tty, '\n');
1.301 nicm 1629: } else {
1630: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1631: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.301 nicm 1632: }
1.1 nicm 1633: }
1634:
1635: void
1.24 nicm 1636: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1637: {
1.77 nicm 1638: struct window_pane *wp = ctx->wp;
1.271 nicm 1639: u_int px, py, nx, ny;
1.1 nicm 1640:
1.210 nicm 1641: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1642:
1.271 nicm 1643: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1644: tty_margin_off(tty);
1.39 nicm 1645:
1.309 nicm 1646: px = 0;
1.271 nicm 1647: nx = screen_size_x(wp->screen);
1.309 nicm 1648: py = ctx->ocy + 1;
1.271 nicm 1649: ny = screen_size_y(wp->screen) - ctx->ocy - 1;
1650:
1.309 nicm 1651: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1652:
1.309 nicm 1653: px = ctx->ocx;
1.271 nicm 1654: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1655: py = ctx->ocy;
1.271 nicm 1656:
1.309 nicm 1657: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1658: }
1659:
1660: void
1.24 nicm 1661: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1662: {
1.77 nicm 1663: struct window_pane *wp = ctx->wp;
1.271 nicm 1664: u_int px, py, nx, ny;
1.1 nicm 1665:
1.227 nicm 1666: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1667:
1.271 nicm 1668: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1669: tty_margin_off(tty);
1.39 nicm 1670:
1.309 nicm 1671: px = 0;
1.271 nicm 1672: nx = screen_size_x(wp->screen);
1.309 nicm 1673: py = 0;
1.319 nicm 1674: ny = ctx->ocy;
1.271 nicm 1675:
1.309 nicm 1676: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1677:
1.309 nicm 1678: px = 0;
1.271 nicm 1679: nx = ctx->ocx + 1;
1.309 nicm 1680: py = ctx->ocy;
1.271 nicm 1681:
1.309 nicm 1682: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1683: }
1684:
1685: void
1.24 nicm 1686: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1687: {
1.77 nicm 1688: struct window_pane *wp = ctx->wp;
1.271 nicm 1689: u_int px, py, nx, ny;
1.1 nicm 1690:
1.210 nicm 1691: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1692:
1.271 nicm 1693: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1694: tty_margin_off(tty);
1.39 nicm 1695:
1.309 nicm 1696: px = 0;
1.271 nicm 1697: nx = screen_size_x(wp->screen);
1.309 nicm 1698: py = 0;
1.271 nicm 1699: ny = screen_size_y(wp->screen);
1700:
1.309 nicm 1701: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1702: }
1703:
1704: void
1.24 nicm 1705: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1706: {
1.12 nicm 1707: struct window_pane *wp = ctx->wp;
1708: struct screen *s = wp->screen;
1709: u_int i, j;
1.4 nicm 1710:
1.309 nicm 1711: if (ctx->bigger) {
1712: wp->flags |= PANE_REDRAW;
1713: return;
1714: }
1715:
1.176 nicm 1716: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1717:
1.39 nicm 1718: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1719: tty_margin_off(tty);
1.4 nicm 1720:
1721: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1722: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1723: for (i = 0; i < screen_size_x(s); i++)
1724: tty_putc(tty, 'E');
1.1 nicm 1725: }
1726: }
1727:
1728: void
1.24 nicm 1729: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1730: {
1.309 nicm 1731: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1))
1732: return;
1733:
1734: if (ctx->xoff + ctx->ocx - ctx->ox > tty->sx - 1 &&
1.306 nicm 1735: ctx->ocy == ctx->orlower &&
1736: tty_pane_full_width(tty, ctx))
1737: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1738:
1.306 nicm 1739: tty_margin_off(tty);
1.253 nicm 1740: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1741:
1.237 nicm 1742: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1743: }
1744:
1745: void
1746: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1747: {
1.309 nicm 1748: struct window_pane *wp = ctx->wp;
1749:
1750: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1751: return;
1752:
1753: if (ctx->bigger &&
1754: (ctx->xoff + ctx->ocx < ctx->ox ||
1755: ctx->xoff + ctx->ocx + ctx->num > ctx->ox + ctx->sx)) {
1756: if (!ctx->wrapped ||
1757: !tty_pane_full_width(tty, ctx) ||
1758: (tty->term->flags & TERM_EARLYWRAP) ||
1759: ctx->xoff + ctx->ocx != 0 ||
1760: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1761: tty->cx < tty->sx ||
1762: tty->cy == tty->rlower)
1763: tty_draw_pane(tty, ctx, ctx->ocy);
1764: else
1765: wp->flags |= PANE_REDRAW;
1766: return;
1767: }
1768:
1.306 nicm 1769: tty_margin_off(tty);
1.253 nicm 1770: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1771:
1772: tty_attributes(tty, ctx->cell, ctx->wp);
1773: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1774: }
1775:
1776: void
1777: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1778: {
1779: char *buf;
1780: size_t off;
1781:
1782: if (!tty_term_has(tty->term, TTYC_MS))
1783: return;
1784:
1785: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1786: buf = xmalloc(off);
1787:
1788: b64_ntop(ctx->ptr, ctx->num, buf, off);
1789: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1790:
1.138 nicm 1791: free(buf);
1.100 nicm 1792: }
1793:
1794: void
1795: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1796: {
1.256 nicm 1797: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1798: tty_invalidate(tty);
1.1 nicm 1799: }
1800:
1.207 nicm 1801: static void
1.317 nicm 1802: tty_cell(struct tty *tty, const struct grid_cell *gc, struct window_pane *wp)
1.1 nicm 1803: {
1.298 nicm 1804: const struct grid_cell *gcp;
1.1 nicm 1805:
1806: /* Skip last character if terminal is stupid. */
1.211 nicm 1807: if ((tty->term->flags & TERM_EARLYWRAP) &&
1808: tty->cy == tty->sy - 1 &&
1809: tty->cx == tty->sx - 1)
1.1 nicm 1810: return;
1811:
1812: /* If this is a padding character, do nothing. */
1813: if (gc->flags & GRID_FLAG_PADDING)
1814: return;
1815:
1816: /* Set the attributes. */
1.176 nicm 1817: tty_attributes(tty, gc, wp);
1.1 nicm 1818:
1.147 nicm 1819: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.298 nicm 1820: gcp = tty_check_codeset(tty, gc);
1821: if (gcp->data.size == 1) {
1822: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 1823: return;
1.298 nicm 1824: tty_putc(tty, *gcp->data.data);
1.1 nicm 1825: return;
1826: }
1827:
1.147 nicm 1828: /* Write the data. */
1.298 nicm 1829: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 1830: }
1831:
1832: void
1833: tty_reset(struct tty *tty)
1834: {
1835: struct grid_cell *gc = &tty->cell;
1836:
1.228 nicm 1837: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 1838: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 1839: tty_putcode(tty, TTYC_RMACS);
1840: tty_putcode(tty, TTYC_SGR0);
1841: memcpy(gc, &grid_default_cell, sizeof *gc);
1842: }
1.1 nicm 1843:
1.228 nicm 1844: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1845: tty->last_wp = -1;
1.242 nicm 1846: }
1847:
1848: static void
1849: tty_invalidate(struct tty *tty)
1850: {
1851: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1852:
1853: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1854: tty->last_wp = -1;
1855:
1856: tty->cx = tty->cy = UINT_MAX;
1857:
1858: tty->rupper = tty->rleft = UINT_MAX;
1859: tty->rlower = tty->rright = UINT_MAX;
1860:
1861: if (tty->flags & TTY_STARTED) {
1862: tty_putcode(tty, TTYC_SGR0);
1863:
1864: tty->mode = ALL_MODES;
1865: tty_update_mode(tty, MODE_CURSOR, NULL);
1866:
1867: tty_cursor(tty, 0, 0);
1868: tty_region_off(tty);
1869: tty_margin_off(tty);
1870: } else
1871: tty->mode = MODE_CURSOR;
1.1 nicm 1872: }
1873:
1.214 nicm 1874: /* Turn off margin. */
1875: void
1876: tty_region_off(struct tty *tty)
1877: {
1878: tty_region(tty, 0, tty->sy - 1);
1879: }
1880:
1.40 nicm 1881: /* Set region inside pane. */
1.208 nicm 1882: static void
1.196 nicm 1883: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1884: u_int rlower)
1.1 nicm 1885: {
1.309 nicm 1886: tty_region(tty, ctx->yoff + rupper - ctx->oy,
1887: ctx->yoff + rlower - ctx->oy);
1.39 nicm 1888: }
1889:
1.40 nicm 1890: /* Set region at absolute position. */
1.214 nicm 1891: static void
1.40 nicm 1892: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1893: {
1894: if (tty->rlower == rlower && tty->rupper == rupper)
1895: return;
1.1 nicm 1896: if (!tty_term_has(tty->term, TTYC_CSR))
1897: return;
1.39 nicm 1898:
1899: tty->rupper = rupper;
1900: tty->rlower = rlower;
1.55 nicm 1901:
1902: /*
1903: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1904: * 0,0 if it is beyond the last column (they do not reset their wrap
1905: * flag so further output causes a line feed). As a workaround, do an
1906: * explicit move to 0 first.
1907: */
1908: if (tty->cx >= tty->sx)
1909: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1910:
1.39 nicm 1911: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 1912: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 1913: }
1914:
1.214 nicm 1915: /* Turn off margin. */
1916: void
1917: tty_margin_off(struct tty *tty)
1918: {
1919: tty_margin(tty, 0, tty->sx - 1);
1920: }
1921:
1.212 nicm 1922: /* Set margin inside pane. */
1923: static void
1924: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
1925: {
1.309 nicm 1926: tty_margin(tty, ctx->xoff - ctx->ox,
1927: ctx->xoff + ctx->wp->sx - 1 - ctx->ox);
1.212 nicm 1928: }
1929:
1930: /* Set margin at absolute position. */
1.214 nicm 1931: static void
1.212 nicm 1932: tty_margin(struct tty *tty, u_int rleft, u_int rright)
1933: {
1934: char s[64];
1935:
1936: if (!tty_use_margin(tty))
1937: return;
1938: if (tty->rleft == rleft && tty->rright == rright)
1939: return;
1940:
1.232 nicm 1941: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 1942:
1.212 nicm 1943: tty->rleft = rleft;
1944: tty->rright = rright;
1945:
1.232 nicm 1946: if (rleft == 0 && rright == tty->sx - 1)
1947: snprintf(s, sizeof s, "\033[s");
1948: else
1949: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 1950: tty_puts(tty, s);
1.249 nicm 1951: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 1952: }
1953:
1954: /*
1955: * Move the cursor, unless it would wrap itself when the next character is
1956: * printed.
1957: */
1958: static void
1959: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
1960: u_int cx, u_int cy)
1961: {
1.268 nicm 1962: if (!ctx->wrapped ||
1963: !tty_pane_full_width(tty, ctx) ||
1.253 nicm 1964: (tty->term->flags & TERM_EARLYWRAP) ||
1965: ctx->xoff + cx != 0 ||
1966: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 1967: tty->cx < tty->sx ||
1968: tty->cy == tty->rlower)
1.253 nicm 1969: tty_cursor_pane(tty, ctx, cx, cy);
1970: else
1971: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 1972: }
1973:
1.42 nicm 1974: /* Move cursor inside pane. */
1.208 nicm 1975: static void
1.41 nicm 1976: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
1977: {
1.309 nicm 1978: tty_cursor(tty, ctx->xoff + cx - ctx->ox, ctx->yoff + cy - ctx->oy);
1.41 nicm 1979: }
1980:
1.42 nicm 1981: /* Move cursor to absolute position. */
1.41 nicm 1982: void
1983: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 1984: {
1.42 nicm 1985: struct tty_term *term = tty->term;
1986: u_int thisx, thisy;
1987: int change;
1.77 nicm 1988:
1.42 nicm 1989: if (cx > tty->sx - 1)
1990: cx = tty->sx - 1;
1991:
1992: thisx = tty->cx;
1993: thisy = tty->cy;
1994:
1995: /* No change. */
1996: if (cx == thisx && cy == thisy)
1997: return;
1998:
1.43 nicm 1999: /* Very end of the line, just use absolute movement. */
2000: if (thisx > tty->sx - 1)
2001: goto absolute;
2002:
1.42 nicm 2003: /* Move to home position (0, 0). */
2004: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2005: tty_putcode(tty, TTYC_HOME);
2006: goto out;
2007: }
2008:
2009: /* Zero on the next line. */
1.293 nicm 2010: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2011: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2012: tty_putc(tty, '\r');
1.42 nicm 2013: tty_putc(tty, '\n');
2014: goto out;
2015: }
2016:
1.45 nicm 2017: /* Moving column or row. */
1.42 nicm 2018: if (cy == thisy) {
1.45 nicm 2019: /*
2020: * Moving column only, row staying the same.
2021: */
2022:
1.42 nicm 2023: /* To left edge. */
1.294 nicm 2024: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2025: tty_putc(tty, '\r');
2026: goto out;
2027: }
2028:
2029: /* One to the left. */
2030: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2031: tty_putcode(tty, TTYC_CUB1);
2032: goto out;
2033: }
2034:
2035: /* One to the right. */
2036: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2037: tty_putcode(tty, TTYC_CUF1);
2038: goto out;
2039: }
2040:
2041: /* Calculate difference. */
2042: change = thisx - cx; /* +ve left, -ve right */
2043:
2044: /*
2045: * Use HPA if change is larger than absolute, otherwise move
2046: * the cursor with CUB/CUF.
2047: */
1.87 nicm 2048: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2049: tty_putcode1(tty, TTYC_HPA, cx);
2050: goto out;
2051: } else if (change > 0 && tty_term_has(term, TTYC_CUB)) {
1.202 nicm 2052: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2053: tty_putcode(tty, TTYC_CUB1);
2054: tty_putcode(tty, TTYC_CUB1);
2055: goto out;
2056: }
1.42 nicm 2057: tty_putcode1(tty, TTYC_CUB, change);
2058: goto out;
2059: } else if (change < 0 && tty_term_has(term, TTYC_CUF)) {
2060: tty_putcode1(tty, TTYC_CUF, -change);
2061: goto out;
2062: }
1.45 nicm 2063: } else if (cx == thisx) {
2064: /*
2065: * Moving row only, column staying the same.
2066: */
1.42 nicm 2067:
2068: /* One above. */
1.77 nicm 2069: if (thisy != tty->rupper &&
1.42 nicm 2070: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2071: tty_putcode(tty, TTYC_CUU1);
2072: goto out;
2073: }
2074:
2075: /* One below. */
1.49 nicm 2076: if (thisy != tty->rlower &&
1.42 nicm 2077: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2078: tty_putcode(tty, TTYC_CUD1);
2079: goto out;
2080: }
2081:
2082: /* Calculate difference. */
2083: change = thisy - cy; /* +ve up, -ve down */
2084:
2085: /*
1.77 nicm 2086: * Try to use VPA if change is larger than absolute or if this
2087: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2088: */
1.87 nicm 2089: if ((u_int) abs(change) > cy ||
1.42 nicm 2090: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2091: (change > 0 && cy - change < tty->rupper)) {
2092: if (tty_term_has(term, TTYC_VPA)) {
2093: tty_putcode1(tty, TTYC_VPA, cy);
2094: goto out;
2095: }
1.42 nicm 2096: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2097: tty_putcode1(tty, TTYC_CUU, change);
2098: goto out;
2099: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2100: tty_putcode1(tty, TTYC_CUD, -change);
2101: goto out;
2102: }
2103: }
2104:
1.43 nicm 2105: absolute:
1.42 nicm 2106: /* Absolute movement. */
2107: tty_putcode2(tty, TTYC_CUP, cy, cx);
2108:
2109: out:
2110: tty->cx = cx;
2111: tty->cy = cy;
1.1 nicm 2112: }
2113:
2114: void
1.176 nicm 2115: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.317 nicm 2116: struct window_pane *wp)
1.1 nicm 2117: {
1.63 nicm 2118: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2119: int changed;
1.61 nicm 2120:
1.228 nicm 2121: /* Ignore cell if it is the same as the last one. */
2122: if (wp != NULL &&
2123: (int)wp->id == tty->last_wp &&
2124: ~(wp->window->flags & WINDOW_STYLECHANGED) &&
2125: gc->attr == tty->last_cell.attr &&
2126: gc->fg == tty->last_cell.fg &&
2127: gc->bg == tty->last_cell.bg)
2128: return;
2129: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
2130: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
2131:
2132: /* Copy cell and update default colours. */
1.85 nicm 2133: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 2134: if (wp != NULL)
2135: tty_default_colours(&gc2, wp);
1.63 nicm 2136:
1.18 nicm 2137: /*
2138: * If no setab, try to use the reverse attribute as a best-effort for a
2139: * non-default background. This is a bit of a hack but it doesn't do
2140: * any serious harm and makes a couple of applications happier.
2141: */
2142: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2143: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2144: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2145: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2146: } else {
1.310 nicm 2147: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2148: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2149: }
2150: }
1.1 nicm 2151:
1.85 nicm 2152: /* Fix up the colours if necessary. */
1.219 nicm 2153: tty_check_fg(tty, wp, &gc2);
2154: tty_check_bg(tty, wp, &gc2);
1.85 nicm 2155:
1.64 nicm 2156: /* If any bits are being cleared, reset everything. */
1.85 nicm 2157: if (tc->attr & ~gc2.attr)
1.64 nicm 2158: tty_reset(tty);
2159:
2160: /*
2161: * Set the colours. This may call tty_reset() (so it comes next) and
2162: * may add to (NOT remove) the desired attributes by changing new_attr.
2163: */
1.85 nicm 2164: tty_colours(tty, &gc2);
1.64 nicm 2165:
1.1 nicm 2166: /* Filter out attribute bits already set. */
1.85 nicm 2167: changed = gc2.attr & ~tc->attr;
2168: tc->attr = gc2.attr;
1.1 nicm 2169:
2170: /* Set the attributes. */
2171: if (changed & GRID_ATTR_BRIGHT)
2172: tty_putcode(tty, TTYC_BOLD);
2173: if (changed & GRID_ATTR_DIM)
2174: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2175: if (changed & GRID_ATTR_ITALICS)
2176: tty_set_italics(tty);
1.308 nicm 2177: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2178: if ((changed & GRID_ATTR_UNDERSCORE) ||
2179: !tty_term_has(tty->term, TTYC_SMULX))
2180: tty_putcode(tty, TTYC_SMUL);
2181: else if (changed & GRID_ATTR_UNDERSCORE_2)
2182: tty_putcode1(tty, TTYC_SMULX, 2);
2183: else if (changed & GRID_ATTR_UNDERSCORE_3)
2184: tty_putcode1(tty, TTYC_SMULX, 3);
2185: else if (changed & GRID_ATTR_UNDERSCORE_4)
2186: tty_putcode1(tty, TTYC_SMULX, 4);
2187: else if (changed & GRID_ATTR_UNDERSCORE_5)
2188: tty_putcode1(tty, TTYC_SMULX, 5);
2189: }
1.1 nicm 2190: if (changed & GRID_ATTR_BLINK)
2191: tty_putcode(tty, TTYC_BLINK);
2192: if (changed & GRID_ATTR_REVERSE) {
2193: if (tty_term_has(tty->term, TTYC_REV))
2194: tty_putcode(tty, TTYC_REV);
2195: else if (tty_term_has(tty->term, TTYC_SMSO))
2196: tty_putcode(tty, TTYC_SMSO);
2197: }
2198: if (changed & GRID_ATTR_HIDDEN)
2199: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2200: if (changed & GRID_ATTR_STRIKETHROUGH)
2201: tty_putcode(tty, TTYC_SMXX);
1.285 nicm 2202: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2203: tty_putcode(tty, TTYC_SMACS);
2204: }
2205:
1.207 nicm 2206: static void
1.85 nicm 2207: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2208: {
1.61 nicm 2209: struct grid_cell *tc = &tty->cell;
1.204 nicm 2210: int have_ax;
1.61 nicm 2211:
2212: /* No changes? Nothing is necessary. */
1.204 nicm 2213: if (gc->fg == tc->fg && gc->bg == tc->bg)
1.63 nicm 2214: return;
1.1 nicm 2215:
1.61 nicm 2216: /*
2217: * Is either the default colour? This is handled specially because the
2218: * best solution might be to reset both colours to default, in which
2219: * case if only one is default need to fall onward to set the other
2220: * colour.
2221: */
1.310 nicm 2222: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2223: /*
2224: * If don't have AX but do have op, send sgr0 (op can't
2225: * actually be used because it is sometimes the same as sgr0
2226: * and sometimes isn't). This resets both colours to default.
2227: *
2228: * Otherwise, try to set the default colour only as needed.
2229: */
1.174 nicm 2230: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2231: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2232: tty_reset(tty);
2233: else {
1.310 nicm 2234: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2235: if (have_ax)
2236: tty_puts(tty, "\033[39m");
1.204 nicm 2237: else if (tc->fg != 7)
1.61 nicm 2238: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2239: tc->fg = gc->fg;
1.61 nicm 2240: }
1.310 nicm 2241: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2242: if (have_ax)
1.61 nicm 2243: tty_puts(tty, "\033[49m");
1.204 nicm 2244: else if (tc->bg != 0)
1.61 nicm 2245: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2246: tc->bg = gc->bg;
1.61 nicm 2247: }
2248: }
2249: }
1.1 nicm 2250:
1.61 nicm 2251: /* Set the foreground colour. */
1.310 nicm 2252: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2253: tty_colours_fg(tty, gc);
1.1 nicm 2254:
1.61 nicm 2255: /*
2256: * Set the background colour. This must come after the foreground as
2257: * tty_colour_fg() can call tty_reset().
2258: */
1.310 nicm 2259: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2260: tty_colours_bg(tty, gc);
1.1 nicm 2261: }
2262:
1.219 nicm 2263: static void
1.317 nicm 2264: tty_check_fg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2265: {
1.204 nicm 2266: u_char r, g, b;
2267: u_int colours;
1.223 nicm 2268: int c;
1.85 nicm 2269:
1.288 nicm 2270: /*
2271: * Perform substitution if this pane has a palette. If the bright
2272: * attribute is set, use the bright entry in the palette by changing to
2273: * the aixterm colour.
2274: */
2275: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2276: c = gc->fg;
1.289 nicm 2277: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2278: c += 90;
2279: if ((c = window_pane_get_palette(wp, c)) != -1)
2280: gc->fg = c;
2281: }
1.219 nicm 2282:
1.199 nicm 2283: /* Is this a 24-bit colour? */
1.204 nicm 2284: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2285: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.286 nicm 2286: if (!tty_term_has(tty->term, TTYC_SETRGBF)) {
1.204 nicm 2287: colour_split_rgb(gc->fg, &r, &g, &b);
2288: gc->fg = colour_find_rgb(r, g, b);
2289: } else
1.200 nicm 2290: return;
1.199 nicm 2291: }
1.224 nicm 2292:
2293: /* How many colours does this terminal have? */
2294: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2295: colours = 256;
2296: else
2297: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2298:
1.85 nicm 2299: /* Is this a 256-colour colour? */
1.204 nicm 2300: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2301: /* And not a 256 colour mode? */
1.224 nicm 2302: if (colours != 256) {
1.85 nicm 2303: gc->fg = colour_256to16(gc->fg);
2304: if (gc->fg & 8) {
2305: gc->fg &= 7;
1.175 nicm 2306: if (colours >= 16)
2307: gc->fg += 90;
2308: else
2309: gc->attr |= GRID_ATTR_BRIGHT;
1.85 nicm 2310: } else
2311: gc->attr &= ~GRID_ATTR_BRIGHT;
2312: }
2313: return;
2314: }
2315:
2316: /* Is this an aixterm colour? */
2317: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2318: gc->fg -= 90;
2319: gc->attr |= GRID_ATTR_BRIGHT;
2320: }
2321: }
2322:
1.219 nicm 2323: static void
1.317 nicm 2324: tty_check_bg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2325: {
1.204 nicm 2326: u_char r, g, b;
2327: u_int colours;
1.223 nicm 2328: int c;
1.85 nicm 2329:
1.288 nicm 2330: /* Perform substitution if this pane has a palette. */
2331: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2332: if ((c = window_pane_get_palette(wp, gc->bg)) != -1)
2333: gc->bg = c;
2334: }
1.219 nicm 2335:
1.199 nicm 2336: /* Is this a 24-bit colour? */
1.204 nicm 2337: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2338: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.286 nicm 2339: if (!tty_term_has(tty->term, TTYC_SETRGBB)) {
1.204 nicm 2340: colour_split_rgb(gc->bg, &r, &g, &b);
2341: gc->bg = colour_find_rgb(r, g, b);
2342: } else
1.200 nicm 2343: return;
1.199 nicm 2344: }
1.224 nicm 2345:
2346: /* How many colours does this terminal have? */
2347: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2348: colours = 256;
2349: else
2350: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2351:
1.85 nicm 2352: /* Is this a 256-colour colour? */
1.204 nicm 2353: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2354: /*
2355: * And not a 256 colour mode? Translate to 16-colour
2356: * palette. Bold background doesn't exist portably, so just
2357: * discard the bold bit if set.
2358: */
1.224 nicm 2359: if (colours != 256) {
1.85 nicm 2360: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2361: if (gc->bg & 8) {
1.85 nicm 2362: gc->bg &= 7;
1.175 nicm 2363: if (colours >= 16)
2364: gc->fg += 90;
2365: }
1.85 nicm 2366: }
2367: return;
2368: }
2369:
2370: /* Is this an aixterm colour? */
1.175 nicm 2371: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2372: gc->bg -= 90;
2373: }
2374:
1.207 nicm 2375: static void
1.85 nicm 2376: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2377: {
1.61 nicm 2378: struct grid_cell *tc = &tty->cell;
1.79 nicm 2379: char s[32];
1.1 nicm 2380:
1.204 nicm 2381: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2382: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2383: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 2384: goto save_fg;
1.199 nicm 2385: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2386: return;
1.1 nicm 2387: }
2388:
1.79 nicm 2389: /* Is this an aixterm bright colour? */
1.204 nicm 2390: if (gc->fg >= 90 && gc->fg <= 97) {
1.321 ! nicm 2391: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.85 nicm 2392: goto save_fg;
1.79 nicm 2393: }
2394:
1.61 nicm 2395: /* Otherwise set the foreground colour. */
1.204 nicm 2396: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2397:
1.77 nicm 2398: save_fg:
1.61 nicm 2399: /* Save the new values in the terminal current cell. */
1.204 nicm 2400: tc->fg = gc->fg;
1.1 nicm 2401: }
2402:
1.207 nicm 2403: static void
1.73 nicm 2404: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2405: {
1.61 nicm 2406: struct grid_cell *tc = &tty->cell;
1.79 nicm 2407: char s[32];
1.1 nicm 2408:
1.204 nicm 2409: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2410: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2411: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 2412: goto save_bg;
1.199 nicm 2413: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2414: return;
1.79 nicm 2415: }
2416:
2417: /* Is this an aixterm bright colour? */
1.204 nicm 2418: if (gc->bg >= 90 && gc->bg <= 97) {
1.321 ! nicm 2419: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.175 nicm 2420: goto save_bg;
1.1 nicm 2421: }
2422:
1.61 nicm 2423: /* Otherwise set the background colour. */
1.204 nicm 2424: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2425:
2426: save_bg:
2427: /* Save the new values in the terminal current cell. */
1.204 nicm 2428: tc->bg = gc->bg;
1.61 nicm 2429: }
2430:
1.207 nicm 2431: static int
1.204 nicm 2432: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2433: {
1.204 nicm 2434: u_char r, g, b;
1.61 nicm 2435: char s[32];
2436:
1.204 nicm 2437: if (colour & COLOUR_FLAG_256) {
2438: /*
1.300 nicm 2439: * If the user has specified -2 to the client (meaning
2440: * TERM_256COLOURS is set), setaf and setab may not work (or
2441: * they may not want to use them), so send the usual sequence.
2442: *
2443: * Also if RGB is set, setaf and setab do not support the 256
2444: * colour palette so use the sequences directly there too.
1.204 nicm 2445: */
1.300 nicm 2446: if ((tty->term_flags & TERM_256COLOURS) ||
2447: tty_term_has(tty->term, TTYC_RGB))
1.204 nicm 2448: goto fallback_256;
1.189 nicm 2449:
1.204 nicm 2450: /*
2451: * If the terminfo entry has 256 colours and setaf and setab
2452: * exist, assume that they work correctly.
2453: */
2454: if (tty->term->flags & TERM_256COLOURS) {
2455: if (*type == '3') {
2456: if (!tty_term_has(tty->term, TTYC_SETAF))
2457: goto fallback_256;
2458: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2459: } else {
2460: if (!tty_term_has(tty->term, TTYC_SETAB))
2461: goto fallback_256;
2462: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2463: }
2464: return (0);
1.188 nicm 2465: }
1.204 nicm 2466: goto fallback_256;
2467: }
2468:
2469: if (colour & COLOUR_FLAG_RGB) {
1.286 nicm 2470: if (*type == '3') {
2471: if (!tty_term_has(tty->term, TTYC_SETRGBF))
2472: return (-1);
2473: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
2474: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
2475: } else {
2476: if (!tty_term_has(tty->term, TTYC_SETRGBB))
2477: return (-1);
2478: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
2479: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
2480: }
1.165 nicm 2481: return (0);
2482: }
1.61 nicm 2483:
1.165 nicm 2484: return (-1);
1.188 nicm 2485:
1.204 nicm 2486: fallback_256:
2487: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.300 nicm 2488: log_debug("%s: 256 colour fallback: %s", tty->client->name, s);
1.188 nicm 2489: tty_puts(tty, s);
2490: return (0);
1.176 nicm 2491: }
2492:
1.207 nicm 2493: static void
1.317 nicm 2494: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2495: {
1.203 nicm 2496: struct window *w = wp->window;
2497: struct options *oo = w->options;
1.318 nicm 2498: struct style *active, *pane, *window;
1.223 nicm 2499: int c;
1.203 nicm 2500:
2501: if (w->flags & WINDOW_STYLECHANGED) {
2502: w->flags &= ~WINDOW_STYLECHANGED;
1.318 nicm 2503: active = options_get_style(oo, "window-active-style");
2504: style_copy(&w->active_style, active);
2505: window = options_get_style(oo, "window-style");
2506: style_copy(&w->style, window);
1.203 nicm 2507: } else {
1.318 nicm 2508: active = &w->active_style;
2509: window = &w->style;
1.203 nicm 2510: }
1.318 nicm 2511: pane = &wp->style;
1.176 nicm 2512:
1.204 nicm 2513: if (gc->fg == 8) {
1.318 nicm 2514: if (pane->gc.fg != 8)
2515: gc->fg = pane->gc.fg;
2516: else if (wp == w->active && active->gc.fg != 8)
2517: gc->fg = active->gc.fg;
1.204 nicm 2518: else
1.318 nicm 2519: gc->fg = window->gc.fg;
1.219 nicm 2520:
1.310 nicm 2521: if (gc->fg != 8) {
2522: c = window_pane_get_palette(wp, gc->fg);
2523: if (c != -1)
2524: gc->fg = c;
2525: }
1.176 nicm 2526: }
2527:
1.204 nicm 2528: if (gc->bg == 8) {
1.318 nicm 2529: if (pane->gc.bg != 8)
2530: gc->bg = pane->gc.bg;
2531: else if (wp == w->active && active->gc.bg != 8)
2532: gc->bg = active->gc.bg;
1.204 nicm 2533: else
1.318 nicm 2534: gc->bg = window->gc.bg;
1.219 nicm 2535:
1.310 nicm 2536: if (gc->bg != 8) {
2537: c = window_pane_get_palette(wp, gc->bg);
2538: if (c != -1)
2539: gc->bg = c;
2540: }
1.176 nicm 2541: }
1.210 nicm 2542: }
2543:
2544: static void
1.317 nicm 2545: tty_default_attributes(struct tty *tty, struct window_pane *wp, u_int bg)
1.210 nicm 2546: {
2547: static struct grid_cell gc;
2548:
2549: memcpy(&gc, &grid_default_cell, sizeof gc);
2550: gc.bg = bg;
2551: tty_attributes(tty, &gc, wp);
1.1 nicm 2552: }
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