Annotation of src/usr.bin/tmux/tty.c, Revision 1.393
1.393 ! nicm 1: /* $OpenBSD: tty.c,v 1.392 2021/06/10 07:43:44 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:
1.373 nicm 37: static int tty_client_ready(struct client *);
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 *);
1.373 nicm 48: static void tty_check_fg(struct tty *, int *, struct grid_cell *);
49: static void tty_check_bg(struct tty *, int *, struct grid_cell *);
50: static void tty_check_us(struct tty *, int *, struct grid_cell *);
1.207 nicm 51: static void tty_colours_fg(struct tty *, const struct grid_cell *);
52: static void tty_colours_bg(struct tty *, const struct grid_cell *);
1.328 nicm 53: static void tty_colours_us(struct tty *, const struct grid_cell *);
1.207 nicm 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 *);
1.373 nicm 61: static int tty_fake_bce(const struct tty *, const struct grid_cell *,
62: u_int);
1.207 nicm 63: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
64: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
65: enum tty_code_code, u_int);
66: static void tty_repeat_space(struct tty *, u_int);
1.309 nicm 67: static void tty_draw_pane(struct tty *, const struct tty_ctx *, u_int);
1.373 nicm 68: static void tty_default_attributes(struct tty *, const struct grid_cell *,
69: int *, u_int);
1.1 nicm 70:
1.212 nicm 71: #define tty_use_margin(tty) \
1.359 nicm 72: (tty->term->flags & TERM_DECSLRM)
1.372 nicm 73: #define tty_full_width(tty, ctx) \
74: ((ctx)->xoff == 0 && (ctx)->sx >= (tty)->sx)
1.132 nicm 75:
1.266 nicm 76: #define TTY_BLOCK_INTERVAL (100000 /* 100 milliseconds */)
77: #define TTY_BLOCK_START(tty) (1 + ((tty)->sx * (tty)->sy) * 8)
78: #define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
79:
1.192 nicm 80: void
81: tty_create_log(void)
82: {
83: char name[64];
84:
85: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
86:
87: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
88: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
89: fatal("fcntl failed");
90: }
91:
1.185 nicm 92: int
1.380 nicm 93: tty_init(struct tty *tty, struct client *c)
1.1 nicm 94: {
1.380 nicm 95: if (!isatty(c->fd))
1.185 nicm 96: return (-1);
97:
1.30 nicm 98: memset(tty, 0, sizeof *tty);
1.136 nicm 99: tty->client = c;
1.30 nicm 100:
1.391 nicm 101: tty->cstyle = SCREEN_CURSOR_DEFAULT;
1.107 nicm 102: tty->ccolour = xstrdup("");
1.30 nicm 103:
1.380 nicm 104: if (tcgetattr(c->fd, &tty->tio) != 0)
105: return (-1);
1.185 nicm 106: return (0);
1.31 nicm 107: }
108:
1.287 nicm 109: void
1.31 nicm 110: tty_resize(struct tty *tty)
111: {
1.258 nicm 112: struct client *c = tty->client;
113: struct winsize ws;
1.334 nicm 114: u_int sx, sy, xpixel, ypixel;
1.31 nicm 115:
1.380 nicm 116: if (ioctl(c->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 117: sx = ws.ws_col;
1.334 nicm 118: if (sx == 0) {
1.88 nicm 119: sx = 80;
1.334 nicm 120: xpixel = 0;
121: } else
122: xpixel = ws.ws_xpixel / sx;
1.88 nicm 123: sy = ws.ws_row;
1.334 nicm 124: if (sy == 0) {
1.88 nicm 125: sy = 24;
1.334 nicm 126: ypixel = 0;
127: } else
128: ypixel = ws.ws_ypixel / sy;
1.88 nicm 129: } else {
130: sx = 80;
131: sy = 24;
1.334 nicm 132: xpixel = 0;
133: ypixel = 0;
1.31 nicm 134: }
1.334 nicm 135: log_debug("%s: %s now %ux%u (%ux%u)", __func__, c->name, sx, sy,
136: xpixel, ypixel);
137: tty_set_size(tty, sx, sy, xpixel, ypixel);
1.242 nicm 138: tty_invalidate(tty);
1.114 nicm 139: }
140:
1.287 nicm 141: void
1.334 nicm 142: tty_set_size(struct tty *tty, u_int sx, u_int sy, u_int xpixel, u_int ypixel)
1.212 nicm 143: {
1.114 nicm 144: tty->sx = sx;
145: tty->sy = sy;
1.334 nicm 146: tty->xpixel = xpixel;
147: tty->ypixel = ypixel;
1.1 nicm 148: }
149:
1.244 nicm 150: static void
151: tty_read_callback(__unused int fd, __unused short events, void *data)
152: {
153: struct tty *tty = data;
1.258 nicm 154: struct client *c = tty->client;
1.375 nicm 155: const char *name = c->name;
1.244 nicm 156: size_t size = EVBUFFER_LENGTH(tty->in);
157: int nread;
158:
1.380 nicm 159: nread = evbuffer_read(tty->in, c->fd, -1);
1.295 nicm 160: if (nread == 0 || nread == -1) {
1.375 nicm 161: if (nread == 0)
162: log_debug("%s: read closed", name);
163: else
164: log_debug("%s: read error: %s", name, strerror(errno));
1.290 nicm 165: event_del(&tty->event_in);
1.295 nicm 166: server_client_lost(tty->client);
1.244 nicm 167: return;
1.290 nicm 168: }
1.375 nicm 169: log_debug("%s: read %d bytes (already %zu)", name, nread, size);
1.244 nicm 170:
171: while (tty_keys_next(tty))
172: ;
173: }
174:
175: static void
1.266 nicm 176: tty_timer_callback(__unused int fd, __unused short events, void *data)
177: {
178: struct tty *tty = data;
179: struct client *c = tty->client;
180: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
181:
182: log_debug("%s: %zu discarded", c->name, tty->discarded);
183:
1.305 nicm 184: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.266 nicm 185: c->discarded += tty->discarded;
186:
187: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
188: tty->flags &= ~TTY_BLOCK;
189: tty_invalidate(tty);
190: return;
191: }
192: tty->discarded = 0;
193: evtimer_add(&tty->timer, &tv);
194: }
195:
196: static int
197: tty_block_maybe(struct tty *tty)
198: {
199: struct client *c = tty->client;
200: size_t size = EVBUFFER_LENGTH(tty->out);
201: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
202:
203: if (size < TTY_BLOCK_START(tty))
204: return (0);
205:
206: if (tty->flags & TTY_BLOCK)
207: return (1);
208: tty->flags |= TTY_BLOCK;
209:
210: log_debug("%s: can't keep up, %zu discarded", c->name, size);
211:
212: evbuffer_drain(tty->out, size);
213: c->discarded += size;
214:
215: tty->discarded = 0;
216: evtimer_add(&tty->timer, &tv);
217: return (1);
218: }
219:
220: static void
1.244 nicm 221: tty_write_callback(__unused int fd, __unused short events, void *data)
222: {
1.246 nicm 223: struct tty *tty = data;
1.258 nicm 224: struct client *c = tty->client;
1.246 nicm 225: size_t size = EVBUFFER_LENGTH(tty->out);
226: int nwrite;
1.244 nicm 227:
1.380 nicm 228: nwrite = evbuffer_write(tty->out, c->fd);
1.244 nicm 229: if (nwrite == -1)
230: return;
1.258 nicm 231: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 232:
1.270 nicm 233: if (c->redraw > 0) {
234: if ((size_t)nwrite >= c->redraw)
235: c->redraw = 0;
236: else
237: c->redraw -= nwrite;
238: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
239: c->redraw);
240: } else if (tty_block_maybe(tty))
1.266 nicm 241: return;
242:
1.247 nicm 243: if (EVBUFFER_LENGTH(tty->out) != 0)
244: event_add(&tty->event_out, NULL);
1.244 nicm 245: }
246:
1.1 nicm 247: int
1.166 nicm 248: tty_open(struct tty *tty, char **cause)
1.1 nicm 249: {
1.359 nicm 250: struct client *c = tty->client;
251:
1.389 nicm 252: tty->term = tty_term_create(tty, c->term_name, c->term_caps,
253: c->term_ncaps, &c->term_features, cause);
1.21 nicm 254: if (tty->term == NULL) {
255: tty_close(tty);
256: return (-1);
257: }
258: tty->flags |= TTY_OPENED;
1.1 nicm 259:
1.266 nicm 260: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 261:
1.380 nicm 262: event_set(&tty->event_in, c->fd, EV_PERSIST|EV_READ,
1.244 nicm 263: tty_read_callback, tty);
264: tty->in = evbuffer_new();
1.311 nicm 265: if (tty->in == NULL)
266: fatal("out of memory");
1.1 nicm 267:
1.380 nicm 268: event_set(&tty->event_out, c->fd, EV_WRITE, tty_write_callback, tty);
1.244 nicm 269: tty->out = evbuffer_new();
1.311 nicm 270: if (tty->out == NULL)
271: fatal("out of memory");
1.1 nicm 272:
1.266 nicm 273: evtimer_set(&tty->timer, tty_timer_callback, tty);
274:
1.1 nicm 275: tty_start_tty(tty);
276:
1.148 nicm 277: tty_keys_build(tty);
1.1 nicm 278:
279: return (0);
280: }
281:
1.340 nicm 282: static void
283: tty_start_timer_callback(__unused int fd, __unused short events, void *data)
284: {
285: struct tty *tty = data;
286: struct client *c = tty->client;
287:
288: log_debug("%s: start timer fired", c->name);
1.378 nicm 289: if ((tty->flags & (TTY_HAVEDA|TTY_HAVEXDA)) == 0)
290: tty_update_features(tty);
1.364 nicm 291: tty->flags |= (TTY_HAVEDA|TTY_HAVEXDA);
1.340 nicm 292: }
293:
1.244 nicm 294: void
295: tty_start_tty(struct tty *tty)
1.1 nicm 296: {
1.285 nicm 297: struct client *c = tty->client;
298: struct termios tio;
1.340 nicm 299: struct timeval tv = { .tv_sec = 1 };
1.33 nicm 300:
1.380 nicm 301: setblocking(c->fd, 0);
302: event_add(&tty->event_in, NULL);
303:
304: memcpy(&tio, &tty->tio, sizeof tio);
305: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
306: tio.c_iflag |= IGNBRK;
307: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
308: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|ECHOPRT|
309: ECHOKE|ISIG);
310: tio.c_cc[VMIN] = 1;
311: tio.c_cc[VTIME] = 0;
312: if (tcsetattr(c->fd, TCSANOW, &tio) == 0)
313: tcflush(c->fd, TCIOFLUSH);
1.1 nicm 314:
1.10 nicm 315: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 316:
1.252 nicm 317: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 318: tty_putcode(tty, TTYC_CLEAR);
319:
320: if (tty_acs_needed(tty)) {
321: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 322: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 323: } else
324: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 325:
326: tty_putcode(tty, TTYC_CNORM);
1.343 nicm 327: if (tty_term_has(tty->term, TTYC_KMOUS)) {
328: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1003l");
329: tty_puts(tty, "\033[?1006l\033[?1005l");
330: }
1.121 nicm 331:
1.340 nicm 332: evtimer_set(&tty->start_timer, tty_start_timer_callback, tty);
333: evtimer_add(&tty->start_timer, &tv);
334:
1.20 nicm 335: tty->flags |= TTY_STARTED;
1.242 nicm 336: tty_invalidate(tty);
1.107 nicm 337:
1.336 nicm 338: if (*tty->ccolour != '\0')
339: tty_force_cursor_colour(tty, "");
1.177 nicm 340:
341: tty->mouse_drag_flag = 0;
342: tty->mouse_drag_update = NULL;
343: tty->mouse_drag_release = NULL;
1.347 nicm 344: }
345:
346: void
347: tty_send_requests(struct tty *tty)
348: {
349: if (~tty->flags & TTY_STARTED)
350: return;
351:
1.369 nicm 352: if (tty->term->flags & TERM_VT100LIKE) {
1.347 nicm 353: if (~tty->flags & TTY_HAVEDA)
1.351 nicm 354: tty_puts(tty, "\033[>c");
1.364 nicm 355: if (~tty->flags & TTY_HAVEXDA)
356: tty_puts(tty, "\033[>q");
1.347 nicm 357: } else
1.364 nicm 358: tty->flags |= (TTY_HAVEDA|TTY_HAVEXDA);
1.128 nicm 359: }
360:
361: void
1.1 nicm 362: tty_stop_tty(struct tty *tty)
363: {
1.380 nicm 364: struct client *c = tty->client;
365: struct winsize ws;
1.1 nicm 366:
1.20 nicm 367: if (!(tty->flags & TTY_STARTED))
368: return;
369: tty->flags &= ~TTY_STARTED;
1.340 nicm 370:
371: evtimer_del(&tty->start_timer);
1.20 nicm 372:
1.266 nicm 373: event_del(&tty->timer);
374: tty->flags &= ~TTY_BLOCK;
375:
1.244 nicm 376: event_del(&tty->event_in);
377: event_del(&tty->event_out);
1.66 nicm 378:
1.1 nicm 379: /*
380: * Be flexible about error handling and try not kill the server just
381: * because the fd is invalid. Things like ssh -t can easily leave us
382: * with a dead tty.
383: */
1.380 nicm 384: if (ioctl(c->fd, TIOCGWINSZ, &ws) == -1)
1.1 nicm 385: return;
1.380 nicm 386: if (tcsetattr(c->fd, TCSANOW, &tty->tio) == -1)
1.1 nicm 387: return;
388:
389: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 390: if (tty_acs_needed(tty))
1.90 nicm 391: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 392: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
393: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
394: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.391 nicm 395: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
1.160 nicm 396: if (tty_term_has(tty->term, TTYC_SE))
397: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.391 nicm 398: else if (tty_term_has(tty->term, TTYC_SS))
1.160 nicm 399: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 400: }
1.173 nicm 401: if (tty->mode & MODE_BRACKETPASTE)
1.366 nicm 402: tty_raw(tty, tty_term_string(tty->term, TTYC_DSBP));
1.336 nicm 403: if (*tty->ccolour != '\0')
404: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 405:
406: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
1.343 nicm 407: if (tty_term_has(tty->term, TTYC_KMOUS)) {
408: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1003l");
409: tty_raw(tty, "\033[?1006l\033[?1005l");
410: }
1.151 nicm 411:
1.369 nicm 412: if (tty->term->flags & TERM_VT100LIKE)
1.352 nicm 413: tty_raw(tty, "\033[?7727l");
1.378 nicm 414: tty_raw(tty, tty_term_string(tty->term, TTYC_DSFCS));
415: tty_raw(tty, tty_term_string(tty->term, TTYC_DSEKS));
1.10 nicm 416:
1.212 nicm 417: if (tty_use_margin(tty))
1.365 nicm 418: tty_raw(tty, tty_term_string(tty->term, TTYC_DSMG));
1.10 nicm 419: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 420:
1.380 nicm 421: setblocking(c->fd, 1);
1.1 nicm 422: }
423:
424: void
1.20 nicm 425: tty_close(struct tty *tty)
1.1 nicm 426: {
1.123 nicm 427: if (event_initialized(&tty->key_timer))
428: evtimer_del(&tty->key_timer);
1.20 nicm 429: tty_stop_tty(tty);
1.1 nicm 430:
1.21 nicm 431: if (tty->flags & TTY_OPENED) {
1.244 nicm 432: evbuffer_free(tty->in);
433: event_del(&tty->event_in);
434: evbuffer_free(tty->out);
435: event_del(&tty->event_out);
1.66 nicm 436:
1.21 nicm 437: tty_term_free(tty->term);
438: tty_keys_free(tty);
439:
440: tty->flags &= ~TTY_OPENED;
441: }
1.1 nicm 442: }
443:
444: void
1.20 nicm 445: tty_free(struct tty *tty)
1.1 nicm 446: {
1.20 nicm 447: tty_close(tty);
1.138 nicm 448: free(tty->ccolour);
1.1 nicm 449: }
450:
451: void
1.359 nicm 452: tty_update_features(struct tty *tty)
1.212 nicm 453: {
1.359 nicm 454: struct client *c = tty->client;
455:
1.362 nicm 456: if (tty_apply_features(tty->term, c->term_features))
457: tty_term_apply_overrides(tty->term);
1.212 nicm 458:
459: if (tty_use_margin(tty))
1.365 nicm 460: tty_putcode(tty, TTYC_ENMG);
1.378 nicm 461: if (options_get_number(global_options, "extended-keys"))
462: tty_puts(tty, tty_term_string(tty->term, TTYC_ENEKS));
463: if (options_get_number(global_options, "focus-events"))
1.379 nicm 464: tty_puts(tty, tty_term_string(tty->term, TTYC_ENFCS));
1.378 nicm 465: if (tty->term->flags & TERM_VT100LIKE)
466: tty_puts(tty, "\033[?7727h");
1.212 nicm 467: }
468:
469: void
1.1 nicm 470: tty_raw(struct tty *tty, const char *s)
471: {
1.380 nicm 472: struct client *c = tty->client;
473: ssize_t n, slen;
474: u_int i;
1.150 nicm 475:
476: slen = strlen(s);
477: for (i = 0; i < 5; i++) {
1.380 nicm 478: n = write(c->fd, s, slen);
1.150 nicm 479: if (n >= 0) {
480: s += n;
481: slen -= n;
482: if (slen == 0)
483: break;
484: } else if (n == -1 && errno != EAGAIN)
485: break;
486: usleep(100);
487: }
1.1 nicm 488: }
489:
490: void
491: tty_putcode(struct tty *tty, enum tty_code_code code)
492: {
493: tty_puts(tty, tty_term_string(tty->term, code));
494: }
495:
496: void
497: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
498: {
499: if (a < 0)
500: return;
501: tty_puts(tty, tty_term_string1(tty->term, code, a));
502: }
503:
504: void
505: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
506: {
507: if (a < 0 || b < 0)
508: return;
509: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
510: }
511:
512: void
1.286 nicm 513: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
514: {
515: if (a < 0 || b < 0 || c < 0)
516: return;
517: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
518: }
519:
520: void
1.107 nicm 521: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
522: {
523: if (a != NULL)
524: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
525: }
526:
527: void
1.167 nicm 528: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
529: const void *b)
1.106 nicm 530: {
531: if (a != NULL && b != NULL)
532: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
533: }
534:
1.243 nicm 535: static void
536: tty_add(struct tty *tty, const char *buf, size_t len)
537: {
1.258 nicm 538: struct client *c = tty->client;
539:
1.266 nicm 540: if (tty->flags & TTY_BLOCK) {
541: tty->discarded += len;
542: return;
543: }
544:
1.244 nicm 545: evbuffer_add(tty->out, buf, len);
1.270 nicm 546: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 547: c->written += len;
1.243 nicm 548:
549: if (tty_log_fd != -1)
550: write(tty_log_fd, buf, len);
1.244 nicm 551: if (tty->flags & TTY_STARTED)
552: event_add(&tty->event_out, NULL);
1.243 nicm 553: }
554:
1.106 nicm 555: void
1.1 nicm 556: tty_puts(struct tty *tty, const char *s)
557: {
1.243 nicm 558: if (*s != '\0')
559: tty_add(tty, s, strlen(s));
1.1 nicm 560: }
561:
562: void
563: tty_putc(struct tty *tty, u_char ch)
564: {
1.90 nicm 565: const char *acs;
1.1 nicm 566:
1.382 nicm 567: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 568: ch >= 0x20 && ch != 0x7f &&
569: tty->cy == tty->sy - 1 &&
570: tty->cx + 1 >= tty->sx)
571: return;
572:
1.90 nicm 573: if (tty->cell.attr & GRID_ATTR_CHARSET) {
574: acs = tty_acs_get(tty, ch);
1.243 nicm 575: if (acs != NULL)
576: tty_add(tty, acs, strlen(acs));
577: else
578: tty_add(tty, &ch, 1);
579: } else
580: tty_add(tty, &ch, 1);
1.1 nicm 581:
582: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 583: if (tty->cx >= tty->sx) {
1.46 nicm 584: tty->cx = 1;
585: if (tty->cy != tty->rlower)
586: tty->cy++;
1.211 nicm 587:
588: /*
1.382 nicm 589: * On !am terminals, force the cursor position to where
590: * we think it should be after a line wrap - this means
591: * it works on sensible terminals as well.
1.211 nicm 592: */
1.382 nicm 593: if (tty->term->flags & TERM_NOAM)
1.211 nicm 594: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 595: } else
596: tty->cx++;
597: }
598: }
599:
600: void
1.147 nicm 601: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 602: {
1.382 nicm 603: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 604: tty->cy == tty->sy - 1 &&
605: tty->cx + len >= tty->sx)
606: len = tty->sx - tty->cx - 1;
607:
1.243 nicm 608: tty_add(tty, buf, len);
1.268 nicm 609: if (tty->cx + width > tty->sx) {
610: tty->cx = (tty->cx + width) - tty->sx;
611: if (tty->cx <= tty->sx)
612: tty->cy++;
613: else
614: tty->cx = tty->cy = UINT_MAX;
615: } else
1.254 nicm 616: tty->cx += width;
1.5 nicm 617: }
618:
1.207 nicm 619: static void
1.180 nicm 620: tty_set_italics(struct tty *tty)
621: {
622: const char *s;
623:
624: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 625: s = options_get_string(global_options, "default-terminal");
1.180 nicm 626: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
627: tty_putcode(tty, TTYC_SITM);
628: return;
629: }
630: }
631: tty_putcode(tty, TTYC_SMSO);
632: }
633:
634: void
1.1 nicm 635: tty_set_title(struct tty *tty, const char *title)
636: {
1.105 nicm 637: if (!tty_term_has(tty->term, TTYC_TSL) ||
638: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 639: return;
640:
1.105 nicm 641: tty_putcode(tty, TTYC_TSL);
1.1 nicm 642: tty_puts(tty, title);
1.105 nicm 643: tty_putcode(tty, TTYC_FSL);
1.1 nicm 644: }
645:
1.208 nicm 646: static void
1.107 nicm 647: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
648: {
649: if (*ccolour == '\0')
650: tty_putcode(tty, TTYC_CR);
651: else
1.160 nicm 652: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 653: free(tty->ccolour);
1.107 nicm 654: tty->ccolour = xstrdup(ccolour);
655: }
656:
657: void
658: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 659: {
1.391 nicm 660: struct client *c = tty->client;
661: int changed;
662: enum screen_cursor_style cstyle = tty->cstyle;
1.107 nicm 663:
1.1 nicm 664: if (tty->flags & TTY_NOCURSOR)
665: mode &= ~MODE_CURSOR;
666:
667: changed = mode ^ tty->mode;
1.392 nicm 668: if (log_get_level() != 0 && changed != 0) {
669: log_debug("%s: current mode %s", c->name,
670: screen_mode_to_string(tty->mode));
671: log_debug("%s: setting mode %s", c->name,
672: screen_mode_to_string(mode));
673: }
1.344 nicm 674:
1.391 nicm 675: if (s != NULL) {
676: if (strcmp(s->ccolour, tty->ccolour) != 0)
677: tty_force_cursor_colour(tty, s->ccolour);
678: cstyle = s->cstyle;
679: }
680: if (~mode & MODE_CURSOR) {
681: /* Cursor now off - set as invisible. */
682: if (changed & MODE_CURSOR)
683: tty_putcode(tty, TTYC_CIVIS);
684: } else if ((changed & (MODE_CURSOR|MODE_BLINKING)) ||
685: cstyle != tty->cstyle) {
686: /*
687: * Cursor now on, blinking flag changed or style changed. Start
688: * by setting the cursor to normal.
689: */
690: tty_putcode(tty, TTYC_CNORM);
691: switch (cstyle) {
692: case SCREEN_CURSOR_DEFAULT:
693: /*
694: * If the old style wasn't default, then reset it to
695: * default.
696: */
697: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
698: if (tty_term_has(tty->term, TTYC_SE))
699: tty_putcode(tty, TTYC_SE);
700: else
701: tty_putcode1(tty, TTYC_SS, 0);
702: }
1.390 nicm 703:
1.391 nicm 704: /* Set the cursor as very visible if necessary. */
705: if (mode & MODE_BLINKING)
706: tty_putcode(tty, TTYC_CVVIS);
707: break;
708: case SCREEN_CURSOR_BLOCK:
709: /*
710: * Set style to either block blinking (1) or steady (2)
711: * if supported, otherwise just check the blinking
712: * flag.
713: */
714: if (tty_term_has(tty->term, TTYC_SS)) {
715: if (mode & MODE_BLINKING)
716: tty_putcode1(tty, TTYC_SS, 1);
717: else
718: tty_putcode1(tty, TTYC_SS, 2);
719: } else if (mode & MODE_BLINKING)
720: tty_putcode(tty, TTYC_CVVIS);
721: break;
722: case SCREEN_CURSOR_UNDERLINE:
723: /*
724: * Set style to either underline blinking (3) or steady
725: * (4) if supported, otherwise just check the blinking
726: * flag.
727: */
728: if (tty_term_has(tty->term, TTYC_SS)) {
729: if (mode & MODE_BLINKING)
730: tty_putcode1(tty, TTYC_SS, 3);
731: else
732: tty_putcode1(tty, TTYC_SS, 4);
733: } else if (mode & MODE_BLINKING)
734: tty_putcode(tty, TTYC_CVVIS);
735: break;
736: case SCREEN_CURSOR_BAR:
737: /*
738: * Set style to either bar blinking (5) or steady (6)
739: * if supported, otherwise just check the blinking
740: * flag.
741: */
742: if (tty_term_has(tty->term, TTYC_SS)) {
743: if (mode & MODE_BLINKING)
744: tty_putcode1(tty, TTYC_SS, 5);
745: else
746: tty_putcode1(tty, TTYC_SS, 6);
747: } else if (mode & MODE_BLINKING)
1.390 nicm 748: tty_putcode(tty, TTYC_CVVIS);
1.391 nicm 749: break;
750: }
751: tty->cstyle = cstyle;
1.390 nicm 752: }
753:
1.344 nicm 754: if ((changed & ALL_MOUSE_MODES) &&
755: tty_term_has(tty->term, TTYC_KMOUS)) {
1.386 nicm 756: /*
757: * If the mouse modes have changed, clear any that are set and
758: * apply again. There are differences in how terminals track
759: * the various bits.
760: */
761: if (tty->mode & MODE_MOUSE_SGR)
1.344 nicm 762: tty_puts(tty, "\033[?1006l");
1.386 nicm 763: if (tty->mode & MODE_MOUSE_STANDARD)
1.344 nicm 764: tty_puts(tty, "\033[?1000l");
1.386 nicm 765: if (tty->mode & MODE_MOUSE_BUTTON)
1.344 nicm 766: tty_puts(tty, "\033[?1002l");
1.386 nicm 767: if (tty->mode & MODE_MOUSE_ALL)
1.344 nicm 768: tty_puts(tty, "\033[?1003l");
769: if (mode & ALL_MOUSE_MODES)
1.153 nicm 770: tty_puts(tty, "\033[?1006h");
1.386 nicm 771: if (mode & MODE_MOUSE_STANDARD)
1.344 nicm 772: tty_puts(tty, "\033[?1000h");
1.386 nicm 773: if (mode & MODE_MOUSE_BUTTON)
1.344 nicm 774: tty_puts(tty, "\033[?1002h");
1.386 nicm 775: if (mode & MODE_MOUSE_ALL)
1.344 nicm 776: tty_puts(tty, "\033[?1003h");
1.115 nicm 777: }
778: if (changed & MODE_BRACKETPASTE) {
779: if (mode & MODE_BRACKETPASTE)
1.366 nicm 780: tty_putcode(tty, TTYC_ENBP);
1.115 nicm 781: else
1.366 nicm 782: tty_putcode(tty, TTYC_DSBP);
1.1 nicm 783: }
784: tty->mode = mode;
785: }
786:
1.207 nicm 787: static void
1.168 nicm 788: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
789: enum tty_code_code code1, u_int n)
1.1 nicm 790: {
791: if (tty_term_has(tty->term, code))
792: tty_putcode1(tty, code, n);
793: else {
794: while (n-- > 0)
795: tty_putcode(tty, code1);
796: }
797: }
798:
1.207 nicm 799: static void
1.133 nicm 800: tty_repeat_space(struct tty *tty, u_int n)
801: {
1.257 nicm 802: static char s[500];
803:
804: if (*s != ' ')
805: memset(s, ' ', sizeof s);
806:
807: while (n > sizeof s) {
808: tty_putn(tty, s, sizeof s, sizeof s);
809: n -= sizeof s;
810: }
811: if (n != 0)
812: tty_putn(tty, s, n, n);
1.304 nicm 813: }
814:
1.309 nicm 815: /* Is this window bigger than the terminal? */
816: int
817: tty_window_bigger(struct tty *tty)
818: {
819: struct client *c = tty->client;
820: struct window *w = c->session->curw->window;
821:
822: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
823: }
824:
825: /* What offset should this window be drawn at? */
826: int
827: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
828: {
829: *ox = tty->oox;
830: *oy = tty->ooy;
831: *sx = tty->osx;
832: *sy = tty->osy;
833:
834: return (tty->oflag);
835: }
836:
837: /* What offset should this window be drawn at? */
838: static int
839: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
840: {
841: struct client *c = tty->client;
842: struct window *w = c->session->curw->window;
1.376 nicm 843: struct window_pane *wp = server_client_get_pane(c);
1.309 nicm 844: u_int cx, cy, lines;
845:
846: lines = status_line_size(c);
847:
848: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
849: *ox = 0;
850: *oy = 0;
851: *sx = w->sx;
852: *sy = w->sy;
853:
854: c->pan_window = NULL;
855: return (0);
856: }
857:
858: *sx = tty->sx;
859: *sy = tty->sy - lines;
860:
861: if (c->pan_window == w) {
862: if (*sx >= w->sx)
863: c->pan_ox = 0;
864: else if (c->pan_ox + *sx > w->sx)
865: c->pan_ox = w->sx - *sx;
866: *ox = c->pan_ox;
867: if (*sy >= w->sy)
868: c->pan_oy = 0;
869: else if (c->pan_oy + *sy > w->sy)
870: c->pan_oy = w->sy - *sy;
871: *oy = c->pan_oy;
872: return (1);
873: }
874:
875: if (~wp->screen->mode & MODE_CURSOR) {
876: *ox = 0;
877: *oy = 0;
878: } else {
879: cx = wp->xoff + wp->screen->cx;
880: cy = wp->yoff + wp->screen->cy;
881:
882: if (cx < *sx)
883: *ox = 0;
884: else if (cx > w->sx - *sx)
885: *ox = w->sx - *sx;
886: else
887: *ox = cx - *sx / 2;
888:
889: if (cy < *sy)
890: *oy = 0;
891: else if (cy > w->sy - *sy)
892: *oy = w->sy - *sy;
893: else
894: *oy = cy - *sy / 2;
895: }
896:
897: c->pan_window = NULL;
898: return (1);
899: }
900:
901: /* Update stored offsets for a window and redraw if necessary. */
902: void
903: tty_update_window_offset(struct window *w)
904: {
905: struct client *c;
906:
907: TAILQ_FOREACH(c, &clients, entry) {
908: if (c->session != NULL && c->session->curw->window == w)
909: tty_update_client_offset(c);
910: }
911: }
912:
913: /* Update stored offsets for a client and redraw if necessary. */
914: void
915: tty_update_client_offset(struct client *c)
1.304 nicm 916: {
1.309 nicm 917: u_int ox, oy, sx, sy;
1.314 nicm 918:
919: if (~c->flags & CLIENT_TERMINAL)
920: return;
1.304 nicm 921:
1.309 nicm 922: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
923: if (ox == c->tty.oox &&
924: oy == c->tty.ooy &&
925: sx == c->tty.osx &&
926: sy == c->tty.osy)
927: return;
928:
929: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
930: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
931: ox, oy, sx, sy);
932:
933: c->tty.oox = ox;
934: c->tty.ooy = oy;
935: c->tty.osx = sx;
936: c->tty.osy = sy;
937:
938: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 939: }
940:
1.373 nicm 941: /* Get a palette entry. */
942: static int
943: tty_get_palette(int *palette, int c)
944: {
945: int new;
946:
947: if (palette == NULL)
948: return (-1);
949:
950: new = -1;
951: if (c < 8)
952: new = palette[c];
953: else if (c >= 90 && c <= 97)
954: new = palette[8 + c - 90];
955: else if (c & COLOUR_FLAG_256)
956: new = palette[c & ~COLOUR_FLAG_256];
957: if (new == 0)
958: return (-1);
959: return (new);
960: }
961:
1.1 nicm 962: /*
1.119 nicm 963: * Is the region large enough to be worth redrawing once later rather than
964: * probably several times now? Currently yes if it is more than 50% of the
965: * pane.
966: */
1.207 nicm 967: static int
1.194 nicm 968: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 969: {
1.372 nicm 970: return (ctx->orlower - ctx->orupper >= ctx->sy / 2);
1.119 nicm 971: }
972:
973: /*
1.176 nicm 974: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
975: * emulated.
976: */
1.207 nicm 977: static int
1.373 nicm 978: tty_fake_bce(const struct tty *tty, const struct grid_cell *gc, u_int bg)
1.176 nicm 979: {
1.210 nicm 980: if (tty_term_flag(tty->term, TTYC_BCE))
981: return (0);
1.373 nicm 982: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc->bg))
1.210 nicm 983: return (1);
984: return (0);
1.176 nicm 985: }
986:
987: /*
1.1 nicm 988: * Redraw scroll region using data from screen (already updated). Used when
989: * CSR not supported, or window is a pane that doesn't take up the full
990: * width of the terminal.
991: */
1.207 nicm 992: static void
1.24 nicm 993: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 994: {
1.358 nicm 995: struct client *c = tty->client;
1.204 nicm 996: u_int i;
1.1 nicm 997:
998: /*
1.373 nicm 999: * If region is large, schedule a redraw. In most cases this is likely
1000: * to be followed by some more scrolling.
1.1 nicm 1001: */
1.119 nicm 1002: if (tty_large_region(tty, ctx)) {
1.373 nicm 1003: log_debug("%s: %s large redraw", __func__, c->name);
1004: ctx->redraw_cb(ctx);
1.1 nicm 1005: return;
1006: }
1007:
1.393 ! nicm 1008: for (i = ctx->orupper; i <= ctx->orlower; i++)
! 1009: tty_draw_pane(tty, ctx, i);
1.1 nicm 1010: }
1011:
1.309 nicm 1012: /* Is this position visible in the pane? */
1013: static int
1.374 nicm 1014: tty_is_visible(__unused struct tty *tty, const struct tty_ctx *ctx, u_int px,
1015: u_int py, u_int nx, u_int ny)
1.309 nicm 1016: {
1.374 nicm 1017: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1018:
1019: if (!ctx->bigger)
1020: return (1);
1021:
1.372 nicm 1022: if (xoff + nx <= ctx->wox || xoff >= ctx->wox + ctx->wsx ||
1.374 nicm 1023: yoff + ny <= ctx->woy || yoff >= ctx->woy + ctx->wsy)
1.309 nicm 1024: return (0);
1025: return (1);
1026: }
1027:
1028: /* Clamp line position to visible part of pane. */
1029: static int
1030: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1031: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
1032: {
1.373 nicm 1033: u_int xoff = ctx->rxoff + px;
1.309 nicm 1034:
1035: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
1036: return (0);
1.372 nicm 1037: *ry = ctx->yoff + py - ctx->woy;
1.309 nicm 1038:
1.372 nicm 1039: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1040: /* All visible. */
1041: *i = 0;
1.372 nicm 1042: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1043: *rx = nx;
1.372 nicm 1044: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1045: /* Both left and right not visible. */
1.372 nicm 1046: *i = ctx->wox;
1.309 nicm 1047: *x = 0;
1.372 nicm 1048: *rx = ctx->wsx;
1049: } else if (xoff < ctx->wox) {
1.309 nicm 1050: /* Left not visible. */
1.372 nicm 1051: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1052: *x = 0;
1053: *rx = nx - *i;
1054: } else {
1055: /* Right not visible. */
1056: *i = 0;
1.372 nicm 1057: *x = (ctx->xoff + px) - ctx->wox;
1058: *rx = ctx->wsx - *x;
1.309 nicm 1059: }
1060: if (*rx > nx)
1061: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1062:
1063: return (1);
1064: }
1065:
1066: /* Clear a line. */
1.271 nicm 1067: static void
1.373 nicm 1068: tty_clear_line(struct tty *tty, const struct grid_cell *defaults, u_int py,
1069: u_int px, u_int nx, u_int bg)
1.271 nicm 1070: {
1.309 nicm 1071: struct client *c = tty->client;
1072:
1073: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1074:
1075: /* Nothing to clear. */
1076: if (nx == 0)
1077: return;
1078:
1079: /* If genuine BCE is available, can try escape sequences. */
1.373 nicm 1080: if (!tty_fake_bce(tty, defaults, bg)) {
1.271 nicm 1081: /* Off the end of the line, use EL if available. */
1082: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1083: tty_cursor(tty, px, py);
1084: tty_putcode(tty, TTYC_EL);
1085: return;
1086: }
1087:
1088: /* At the start of the line. Use EL1. */
1089: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1090: tty_cursor(tty, px + nx - 1, py);
1091: tty_putcode(tty, TTYC_EL1);
1092: return;
1093: }
1094:
1095: /* Section of line. Use ECH if possible. */
1096: if (tty_term_has(tty->term, TTYC_ECH)) {
1097: tty_cursor(tty, px, py);
1098: tty_putcode1(tty, TTYC_ECH, nx);
1099: return;
1100: }
1101: }
1102:
1103: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 1104: tty_cursor(tty, px, py);
1.271 nicm 1105: tty_repeat_space(tty, nx);
1106: }
1107:
1.309 nicm 1108: /* Clear a line, adjusting to visible part of pane. */
1109: static void
1110: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1111: u_int px, u_int nx, u_int bg)
1112: {
1113: struct client *c = tty->client;
1114: u_int i, x, rx, ry;
1115:
1116: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1117:
1118: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1.373 nicm 1119: tty_clear_line(tty, &ctx->defaults, ry, x, rx, bg);
1.309 nicm 1120: }
1121:
1122: /* Clamp area position to visible part of pane. */
1123: static int
1124: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1125: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1126: u_int *ry)
1127: {
1.373 nicm 1128: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1129:
1130: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1131: return (0);
1132:
1.372 nicm 1133: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1134: /* All visible. */
1135: *i = 0;
1.372 nicm 1136: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1137: *rx = nx;
1.372 nicm 1138: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1139: /* Both left and right not visible. */
1.372 nicm 1140: *i = ctx->wox;
1.309 nicm 1141: *x = 0;
1.372 nicm 1142: *rx = ctx->wsx;
1143: } else if (xoff < ctx->wox) {
1.309 nicm 1144: /* Left not visible. */
1.372 nicm 1145: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1146: *x = 0;
1147: *rx = nx - *i;
1148: } else {
1149: /* Right not visible. */
1150: *i = 0;
1.372 nicm 1151: *x = (ctx->xoff + px) - ctx->wox;
1152: *rx = ctx->wsx - *x;
1.309 nicm 1153: }
1154: if (*rx > nx)
1155: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1156:
1.372 nicm 1157: if (yoff >= ctx->woy && yoff + ny <= ctx->woy + ctx->wsy) {
1.309 nicm 1158: /* All visible. */
1159: *j = 0;
1.372 nicm 1160: *y = ctx->yoff + py - ctx->woy;
1.309 nicm 1161: *ry = ny;
1.372 nicm 1162: } else if (yoff < ctx->woy && yoff + ny > ctx->woy + ctx->wsy) {
1.327 nicm 1163: /* Both top and bottom not visible. */
1.372 nicm 1164: *j = ctx->woy;
1.309 nicm 1165: *y = 0;
1.372 nicm 1166: *ry = ctx->wsy;
1167: } else if (yoff < ctx->woy) {
1.327 nicm 1168: /* Top not visible. */
1.372 nicm 1169: *j = ctx->woy - (ctx->yoff + py);
1.309 nicm 1170: *y = 0;
1171: *ry = ny - *j;
1172: } else {
1.327 nicm 1173: /* Bottom not visible. */
1.309 nicm 1174: *j = 0;
1.372 nicm 1175: *y = (ctx->yoff + py) - ctx->woy;
1176: *ry = ctx->wsy - *y;
1.309 nicm 1177: }
1178: if (*ry > ny)
1179: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1180:
1181: return (1);
1182: }
1183:
1184: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1185: static void
1.373 nicm 1186: tty_clear_area(struct tty *tty, const struct grid_cell *defaults, u_int py,
1187: u_int ny, u_int px, u_int nx, u_int bg)
1.271 nicm 1188: {
1.309 nicm 1189: struct client *c = tty->client;
1190: u_int yy;
1191: char tmp[64];
1.271 nicm 1192:
1.309 nicm 1193: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1194:
1195: /* Nothing to clear. */
1196: if (nx == 0 || ny == 0)
1197: return;
1198:
1199: /* If genuine BCE is available, can try escape sequences. */
1.373 nicm 1200: if (!tty_fake_bce(tty, defaults, bg)) {
1.276 nicm 1201: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1202: if (px == 0 &&
1203: px + nx >= tty->sx &&
1204: py + ny >= tty->sy &&
1205: tty_term_has(tty->term, TTYC_ED)) {
1206: tty_cursor(tty, 0, py);
1207: tty_putcode(tty, TTYC_ED);
1.274 nicm 1208: return;
1209: }
1210:
1211: /*
1.276 nicm 1212: * On VT420 compatible terminals we can use DECFRA if the
1213: * background colour isn't default (because it doesn't work
1214: * after SGR 0).
1.274 nicm 1215: */
1.359 nicm 1216: if ((tty->term->flags & TERM_DECFRA) && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1217: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1218: py + 1, px + 1, py + ny, px + nx);
1219: tty_puts(tty, tmp);
1.276 nicm 1220: return;
1221: }
1222:
1.280 nicm 1223: /* Full lines can be scrolled away to clear them. */
1224: if (px == 0 &&
1.281 nicm 1225: px + nx >= tty->sx &&
1.280 nicm 1226: ny > 2 &&
1227: tty_term_has(tty->term, TTYC_CSR) &&
1228: tty_term_has(tty->term, TTYC_INDN)) {
1229: tty_region(tty, py, py + ny - 1);
1230: tty_margin_off(tty);
1.284 nicm 1231: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1232: return;
1233: }
1234:
1.276 nicm 1235: /*
1236: * If margins are supported, can just scroll the area off to
1237: * clear it.
1238: */
1.277 nicm 1239: if (nx > 2 &&
1240: ny > 2 &&
1.280 nicm 1241: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1242: tty_use_margin(tty) &&
1243: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1244: tty_region(tty, py, py + ny - 1);
1245: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1246: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1247: return;
1248: }
1249: }
1250:
1251: /* Couldn't use an escape sequence, loop over the lines. */
1252: for (yy = py; yy < py + ny; yy++)
1.373 nicm 1253: tty_clear_line(tty, defaults, yy, px, nx, bg);
1.271 nicm 1254: }
1255:
1.309 nicm 1256: /* Clear an area in a pane. */
1257: static void
1258: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1259: u_int ny, u_int px, u_int nx, u_int bg)
1260: {
1261: u_int i, j, x, y, rx, ry;
1262:
1263: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1.373 nicm 1264: tty_clear_area(tty, &ctx->defaults, y, ry, x, rx, bg);
1.309 nicm 1265: }
1266:
1267: static void
1268: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1269: {
1.373 nicm 1270: struct screen *s = ctx->s;
1271: u_int nx = ctx->sx, i, x, rx, ry;
1.309 nicm 1272:
1273: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1274:
1275: if (!ctx->bigger) {
1.373 nicm 1276: tty_draw_line(tty, s, 0, py, nx, ctx->xoff, ctx->yoff + py,
1277: &ctx->defaults, ctx->palette);
1.309 nicm 1278: return;
1279: }
1.373 nicm 1280: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry)) {
1281: tty_draw_line(tty, s, i, py, rx, x, ry, &ctx->defaults,
1282: ctx->palette);
1283: }
1.176 nicm 1284: }
1285:
1.298 nicm 1286: static const struct grid_cell *
1287: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1288: {
1289: static struct grid_cell new;
1.377 nicm 1290: int c;
1.298 nicm 1291:
1292: /* Characters less than 0x7f are always fine, no matter what. */
1293: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1294: return (gc);
1295:
1296: /* UTF-8 terminal and a UTF-8 character - fine. */
1.359 nicm 1297: if (tty->client->flags & CLIENT_UTF8)
1.298 nicm 1298: return (gc);
1.377 nicm 1299: memcpy(&new, gc, sizeof new);
1300:
1301: /* See if this can be mapped to an ACS character. */
1302: c = tty_acs_reverse_get(tty, gc->data.data, gc->data.size);
1303: if (c != -1) {
1304: utf8_set(&new.data, c);
1305: new.attr |= GRID_ATTR_CHARSET;
1306: return (&new);
1307: }
1.298 nicm 1308:
1309: /* Replace by the right number of underscores. */
1.377 nicm 1310: new.data.size = gc->data.width;
1311: if (new.data.size > UTF8_SIZE)
1312: new.data.size = UTF8_SIZE;
1313: memset(new.data.data, '_', new.data.size);
1.298 nicm 1314: return (&new);
1315: }
1316:
1.346 nicm 1317: static int
1318: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1319: {
1320: struct client *c = tty->client;
1321:
1322: if (c->overlay_check == NULL)
1323: return (1);
1324: return (c->overlay_check(c, px, py));
1325: }
1326:
1.176 nicm 1327: void
1.373 nicm 1328: tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
1329: u_int atx, u_int aty, const struct grid_cell *defaults, int *palette)
1.1 nicm 1330: {
1.297 nicm 1331: struct grid *gd = s->grid;
1.250 nicm 1332: struct grid_cell gc, last;
1.298 nicm 1333: const struct grid_cell *gcp;
1.309 nicm 1334: struct grid_line *gl;
1335: u_int i, j, ux, sx, width;
1.329 nicm 1336: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1337: char buf[512];
1.315 nicm 1338: size_t len;
1.303 nicm 1339: u_int cellsize;
1.1 nicm 1340:
1.309 nicm 1341: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1342: px, py, nx, atx, aty);
1343:
1344: /*
1345: * py is the line in the screen to draw.
1346: * px is the start x and nx is the width to draw.
1347: * atx,aty is the line on the terminal to draw it.
1348: */
1349:
1.259 nicm 1350: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1351: tty->flags |= TTY_NOCURSOR;
1352: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1353:
1.214 nicm 1354: tty_region_off(tty);
1355: tty_margin_off(tty);
1356:
1.273 nicm 1357: /*
1358: * Clamp the width to cellsize - note this is not cellused, because
1359: * there may be empty background cells after it (from BCE).
1360: */
1.1 nicm 1361: sx = screen_size_x(s);
1.309 nicm 1362: if (nx > sx)
1363: nx = sx;
1.303 nicm 1364: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1365: if (sx > cellsize)
1366: sx = cellsize;
1.1 nicm 1367: if (sx > tty->sx)
1368: sx = tty->sx;
1.309 nicm 1369: if (sx > nx)
1370: sx = nx;
1.292 nicm 1371: ux = 0;
1.1 nicm 1372:
1.309 nicm 1373: if (py == 0)
1374: gl = NULL;
1375: else
1376: gl = grid_get_line(gd, gd->hsize + py - 1);
1.373 nicm 1377: if (gl == NULL ||
1.309 nicm 1378: (~gl->flags & GRID_LINE_WRAPPED) ||
1379: atx != 0 ||
1.268 nicm 1380: tty->cx < tty->sx ||
1.309 nicm 1381: nx < tty->sx) {
1382: if (nx < tty->sx &&
1383: atx == 0 &&
1384: px + sx != nx &&
1.268 nicm 1385: tty_term_has(tty->term, TTYC_EL1) &&
1.373 nicm 1386: !tty_fake_bce(tty, defaults, 8)) {
1387: tty_default_attributes(tty, defaults, palette, 8);
1.309 nicm 1388: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1389: tty_putcode(tty, TTYC_EL1);
1390: cleared = 1;
1391: }
1.329 nicm 1392: } else {
1.309 nicm 1393: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1394: wrapped = 1;
1395: }
1.250 nicm 1396:
1397: memcpy(&last, &grid_default_cell, sizeof last);
1398: len = 0;
1399: width = 0;
1.46 nicm 1400:
1.1 nicm 1401: for (i = 0; i < sx; i++) {
1.309 nicm 1402: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1403: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1404: if (len != 0 &&
1.346 nicm 1405: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1406: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1407: gcp->flags != last.flags ||
1408: gcp->attr != last.attr ||
1409: gcp->fg != last.fg ||
1410: gcp->bg != last.bg ||
1.328 nicm 1411: gcp->us != last.us ||
1.315 nicm 1412: ux + width + gcp->data.width > nx ||
1.298 nicm 1413: (sizeof buf) - len < gcp->data.size)) {
1.373 nicm 1414: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1415: if (last.flags & GRID_FLAG_CLEARED) {
1416: log_debug("%s: %zu cleared", __func__, len);
1.373 nicm 1417: tty_clear_line(tty, defaults, aty, atx + ux,
1418: width, last.bg);
1.315 nicm 1419: } else {
1.329 nicm 1420: if (!wrapped || atx != 0 || ux != 0)
1421: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1422: tty_putn(tty, buf, len, width);
1423: }
1.292 nicm 1424: ux += width;
1.250 nicm 1425:
1426: len = 0;
1427: width = 0;
1.329 nicm 1428: wrapped = 0;
1.250 nicm 1429: }
1430:
1.298 nicm 1431: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1432: screen_select_cell(s, &last, gcp);
1.250 nicm 1433: else
1.299 nicm 1434: memcpy(&last, gcp, sizeof last);
1.381 nicm 1435: if (!tty_check_overlay(tty, atx + ux, aty)) {
1436: if (~gcp->flags & GRID_FLAG_PADDING)
1437: ux += gcp->data.width;
1438: } else if (ux + gcp->data.width > nx) {
1.373 nicm 1439: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1440: tty_cursor(tty, atx + ux, aty);
1.298 nicm 1441: for (j = 0; j < gcp->data.width; j++) {
1.309 nicm 1442: if (ux + j > nx)
1.297 nicm 1443: break;
1444: tty_putc(tty, ' ');
1445: ux++;
1446: }
1.299 nicm 1447: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1.373 nicm 1448: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1449: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1450: for (j = 0; j < gcp->data.size; j++)
1451: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1452: ux += gcp->data.width;
1.381 nicm 1453: } else if (~gcp->flags & GRID_FLAG_PADDING) {
1.298 nicm 1454: memcpy(buf + len, gcp->data.data, gcp->data.size);
1455: len += gcp->data.size;
1456: width += gcp->data.width;
1.250 nicm 1457: }
1458: }
1.315 nicm 1459: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.373 nicm 1460: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1461: if (last.flags & GRID_FLAG_CLEARED) {
1462: log_debug("%s: %zu cleared (end)", __func__, len);
1.373 nicm 1463: tty_clear_line(tty, defaults, aty, atx + ux, width,
1464: last.bg);
1.315 nicm 1465: } else {
1.329 nicm 1466: if (!wrapped || atx != 0 || ux != 0)
1467: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1468: tty_putn(tty, buf, len, width);
1469: }
1.315 nicm 1470: ux += width;
1.1 nicm 1471: }
1472:
1.309 nicm 1473: if (!cleared && ux < nx) {
1.315 nicm 1474: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1475: nx - ux, len);
1.373 nicm 1476: tty_default_attributes(tty, defaults, palette, 8);
1477: tty_clear_line(tty, defaults, aty, atx + ux, nx - ux, 8);
1.35 nicm 1478: }
1.1 nicm 1479:
1.181 nicm 1480: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1481: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1482: }
1483:
1.348 nicm 1484: void
1485: tty_sync_start(struct tty *tty)
1486: {
1.361 nicm 1487: if (tty->flags & TTY_BLOCK)
1488: return;
1489: if (tty->flags & TTY_SYNCING)
1490: return;
1491: tty->flags |= TTY_SYNCING;
1492:
1493: if (tty_term_has(tty->term, TTYC_SYNC)) {
1494: log_debug("%s sync start", tty->client->name);
1.360 nicm 1495: tty_putcode1(tty, TTYC_SYNC, 1);
1.357 nicm 1496: }
1.348 nicm 1497: }
1498:
1499: void
1500: tty_sync_end(struct tty *tty)
1501: {
1.361 nicm 1502: if (tty->flags & TTY_BLOCK)
1503: return;
1504: if (~tty->flags & TTY_SYNCING)
1505: return;
1506: tty->flags &= ~TTY_SYNCING;
1507:
1508: if (tty_term_has(tty->term, TTYC_SYNC)) {
1509: log_debug("%s sync end", tty->client->name);
1.360 nicm 1510: tty_putcode1(tty, TTYC_SYNC, 2);
1.357 nicm 1511: }
1.348 nicm 1512: }
1513:
1.201 nicm 1514: static int
1.373 nicm 1515: tty_client_ready(struct client *c)
1.182 nicm 1516: {
1517: if (c->session == NULL || c->tty.term == NULL)
1518: return (0);
1.305 nicm 1519: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1520: return (0);
1521: if (c->tty.flags & TTY_FREEZE)
1522: return (0);
1523: return (1);
1524: }
1525:
1.15 nicm 1526: void
1.182 nicm 1527: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1528: struct tty_ctx *ctx)
1.15 nicm 1529: {
1.373 nicm 1530: struct client *c;
1531: int state;
1.15 nicm 1532:
1.373 nicm 1533: if (ctx->set_client_cb == NULL)
1.15 nicm 1534: return;
1.178 nicm 1535: TAILQ_FOREACH(c, &clients, entry) {
1.373 nicm 1536: if (!tty_client_ready(c))
1.15 nicm 1537: continue;
1.373 nicm 1538: state = ctx->set_client_cb(ctx, c);
1539: if (state == -1)
1.358 nicm 1540: break;
1.373 nicm 1541: if (state == 0)
1542: continue;
1.139 nicm 1543: cmdfn(&c->tty, ctx);
1.1 nicm 1544: }
1545: }
1546:
1547: void
1.24 nicm 1548: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1549: {
1.309 nicm 1550: if (ctx->bigger ||
1.372 nicm 1551: !tty_full_width(tty, ctx) ||
1.373 nicm 1552: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.210 nicm 1553: (!tty_term_has(tty->term, TTYC_ICH) &&
1554: !tty_term_has(tty->term, TTYC_ICH1))) {
1.309 nicm 1555: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1556: return;
1557: }
1558:
1.373 nicm 1559: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1560:
1.77 nicm 1561: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1562:
1.206 nicm 1563: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1564: }
1565:
1566: void
1.24 nicm 1567: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1568: {
1.309 nicm 1569: if (ctx->bigger ||
1.372 nicm 1570: !tty_full_width(tty, ctx) ||
1.373 nicm 1571: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.26 nicm 1572: (!tty_term_has(tty->term, TTYC_DCH) &&
1573: !tty_term_has(tty->term, TTYC_DCH1))) {
1.309 nicm 1574: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1575: return;
1576: }
1577:
1.373 nicm 1578: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1579:
1.77 nicm 1580: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1581:
1.206 nicm 1582: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1583: }
1584:
1585: void
1586: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1587: {
1.373 nicm 1588: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.146 nicm 1589:
1.388 nicm 1590: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, ctx->num, ctx->bg);
1.1 nicm 1591: }
1592:
1593: void
1.24 nicm 1594: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1595: {
1.309 nicm 1596: if (ctx->bigger ||
1.372 nicm 1597: !tty_full_width(tty, ctx) ||
1.373 nicm 1598: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.77 nicm 1599: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1600: !tty_term_has(tty->term, TTYC_IL1) ||
1.373 nicm 1601: ctx->sx == 1 ||
1602: ctx->sy == 1) {
1.14 nicm 1603: tty_redraw_region(tty, ctx);
1.1 nicm 1604: return;
1605: }
1606:
1.373 nicm 1607: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1608:
1.77 nicm 1609: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1610: tty_margin_off(tty);
1.77 nicm 1611: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1612:
1.12 nicm 1613: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1614: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1615: }
1616:
1617: void
1.24 nicm 1618: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1619: {
1.309 nicm 1620: if (ctx->bigger ||
1.372 nicm 1621: !tty_full_width(tty, ctx) ||
1.373 nicm 1622: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.72 nicm 1623: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1624: !tty_term_has(tty->term, TTYC_DL1) ||
1.373 nicm 1625: ctx->sx == 1 ||
1626: ctx->sy == 1) {
1.14 nicm 1627: tty_redraw_region(tty, ctx);
1.1 nicm 1628: return;
1629: }
1630:
1.373 nicm 1631: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1632:
1.77 nicm 1633: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1634: tty_margin_off(tty);
1.77 nicm 1635: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1636:
1.12 nicm 1637: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1638: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1639: }
1640:
1641: void
1.24 nicm 1642: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1643: {
1.373 nicm 1644: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1645:
1.372 nicm 1646: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->sx, ctx->bg);
1.1 nicm 1647: }
1648:
1649: void
1.24 nicm 1650: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1651: {
1.373 nicm 1652: u_int nx = ctx->sx - ctx->ocx;
1.1 nicm 1653:
1.373 nicm 1654: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1655:
1.309 nicm 1656: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1657: }
1658:
1659: void
1.24 nicm 1660: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1661: {
1.373 nicm 1662: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1663:
1.309 nicm 1664: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1665: }
1666:
1667: void
1.24 nicm 1668: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1669: {
1.56 nicm 1670: if (ctx->ocy != ctx->orupper)
1671: return;
1672:
1.309 nicm 1673: if (ctx->bigger ||
1.372 nicm 1674: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1675: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.70 nicm 1676: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1677: (!tty_term_has(tty->term, TTYC_RI) &&
1678: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1679: ctx->sx == 1 ||
1680: ctx->sy == 1) {
1.14 nicm 1681: tty_redraw_region(tty, ctx);
1.1 nicm 1682: return;
1683: }
1684:
1.373 nicm 1685: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1686:
1.56 nicm 1687: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1688: tty_margin_pane(tty, ctx);
1.56 nicm 1689: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1690:
1.331 nicm 1691: if (tty_term_has(tty->term, TTYC_RI))
1692: tty_putcode(tty, TTYC_RI);
1693: else
1694: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1695: }
1696:
1697: void
1.24 nicm 1698: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1699: {
1.56 nicm 1700: if (ctx->ocy != ctx->orlower)
1701: return;
1702:
1.309 nicm 1703: if (ctx->bigger ||
1.372 nicm 1704: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1705: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1706: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1707: ctx->sx == 1 ||
1708: ctx->sy == 1) {
1.236 nicm 1709: tty_redraw_region(tty, ctx);
1.1 nicm 1710: return;
1711: }
1.52 nicm 1712:
1.373 nicm 1713: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1714:
1.56 nicm 1715: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1716: tty_margin_pane(tty, ctx);
1717:
1718: /*
1.301 nicm 1719: * If we want to wrap a pane while using margins, the cursor needs to
1720: * be exactly on the right of the region. If the cursor is entirely off
1721: * the edge - move it back to the right. Some terminals are funny about
1722: * this and insert extra spaces, so only use the right if margins are
1723: * enabled.
1.212 nicm 1724: */
1.301 nicm 1725: if (ctx->xoff + ctx->ocx > tty->rright) {
1726: if (!tty_use_margin(tty))
1727: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1728: else
1729: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1730: } else
1.212 nicm 1731: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1732:
1.56 nicm 1733: tty_putc(tty, '\n');
1.240 nicm 1734: }
1735:
1736: void
1737: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1738: {
1.373 nicm 1739: u_int i;
1.240 nicm 1740:
1.309 nicm 1741: if (ctx->bigger ||
1.372 nicm 1742: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1743: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1744: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1745: ctx->sx == 1 ||
1746: ctx->sy == 1) {
1.240 nicm 1747: tty_redraw_region(tty, ctx);
1748: return;
1749: }
1750:
1.373 nicm 1751: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.240 nicm 1752:
1753: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1754: tty_margin_pane(tty, ctx);
1755:
1.284 nicm 1756: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1757: if (!tty_use_margin(tty))
1758: tty_cursor(tty, 0, tty->rlower);
1759: else
1760: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1761: for (i = 0; i < ctx->num; i++)
1.240 nicm 1762: tty_putc(tty, '\n');
1.301 nicm 1763: } else {
1.353 nicm 1764: if (tty->cy == UINT_MAX)
1765: tty_cursor(tty, 0, 0);
1766: else
1767: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1768: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1769: }
1770: }
1771:
1772: void
1773: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1774: {
1.373 nicm 1775: u_int i;
1.331 nicm 1776:
1777: if (ctx->bigger ||
1.372 nicm 1778: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1779: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.331 nicm 1780: !tty_term_has(tty->term, TTYC_CSR) ||
1781: (!tty_term_has(tty->term, TTYC_RI) &&
1782: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1783: ctx->sx == 1 ||
1784: ctx->sy == 1) {
1.331 nicm 1785: tty_redraw_region(tty, ctx);
1786: return;
1787: }
1788:
1.373 nicm 1789: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.331 nicm 1790:
1791: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1792: tty_margin_pane(tty, ctx);
1793: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1794:
1795: if (tty_term_has(tty->term, TTYC_RIN))
1796: tty_putcode1(tty, TTYC_RIN, ctx->num);
1797: else {
1798: for (i = 0; i < ctx->num; i++)
1799: tty_putcode(tty, TTYC_RI);
1.301 nicm 1800: }
1.1 nicm 1801: }
1802:
1803: void
1.24 nicm 1804: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1805: {
1.373 nicm 1806: u_int px, py, nx, ny;
1.1 nicm 1807:
1.373 nicm 1808: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1809:
1.372 nicm 1810: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1811: tty_margin_off(tty);
1.39 nicm 1812:
1.309 nicm 1813: px = 0;
1.372 nicm 1814: nx = ctx->sx;
1.309 nicm 1815: py = ctx->ocy + 1;
1.372 nicm 1816: ny = ctx->sy - ctx->ocy - 1;
1.271 nicm 1817:
1.309 nicm 1818: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1819:
1.309 nicm 1820: px = ctx->ocx;
1.372 nicm 1821: nx = ctx->sx - ctx->ocx;
1.309 nicm 1822: py = ctx->ocy;
1.271 nicm 1823:
1.309 nicm 1824: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1825: }
1826:
1827: void
1.24 nicm 1828: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1829: {
1.373 nicm 1830: u_int px, py, nx, ny;
1.1 nicm 1831:
1.373 nicm 1832: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1833:
1.372 nicm 1834: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1835: tty_margin_off(tty);
1.39 nicm 1836:
1.309 nicm 1837: px = 0;
1.372 nicm 1838: nx = ctx->sx;
1.309 nicm 1839: py = 0;
1.319 nicm 1840: ny = ctx->ocy;
1.271 nicm 1841:
1.309 nicm 1842: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1843:
1.309 nicm 1844: px = 0;
1.271 nicm 1845: nx = ctx->ocx + 1;
1.309 nicm 1846: py = ctx->ocy;
1.271 nicm 1847:
1.309 nicm 1848: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1849: }
1850:
1851: void
1.24 nicm 1852: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1853: {
1.373 nicm 1854: u_int px, py, nx, ny;
1.1 nicm 1855:
1.373 nicm 1856: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1857:
1.372 nicm 1858: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1859: tty_margin_off(tty);
1.39 nicm 1860:
1.309 nicm 1861: px = 0;
1.372 nicm 1862: nx = ctx->sx;
1.309 nicm 1863: py = 0;
1.372 nicm 1864: ny = ctx->sy;
1.271 nicm 1865:
1.309 nicm 1866: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1867: }
1868:
1869: void
1.24 nicm 1870: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1871: {
1.373 nicm 1872: u_int i, j;
1.4 nicm 1873:
1.309 nicm 1874: if (ctx->bigger) {
1.373 nicm 1875: ctx->redraw_cb(ctx);
1.309 nicm 1876: return;
1877: }
1878:
1.373 nicm 1879: tty_attributes(tty, &grid_default_cell, &ctx->defaults, ctx->palette);
1.4 nicm 1880:
1.372 nicm 1881: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1882: tty_margin_off(tty);
1.4 nicm 1883:
1.372 nicm 1884: for (j = 0; j < ctx->sy; j++) {
1.41 nicm 1885: tty_cursor_pane(tty, ctx, 0, j);
1.372 nicm 1886: for (i = 0; i < ctx->sx; i++)
1.4 nicm 1887: tty_putc(tty, 'E');
1.1 nicm 1888: }
1889: }
1890:
1891: void
1.24 nicm 1892: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1893: {
1.309 nicm 1894: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1))
1895: return;
1896:
1.372 nicm 1897: if (ctx->xoff + ctx->ocx - ctx->wox > tty->sx - 1 &&
1.306 nicm 1898: ctx->ocy == ctx->orlower &&
1.372 nicm 1899: tty_full_width(tty, ctx))
1.306 nicm 1900: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1901:
1.306 nicm 1902: tty_margin_off(tty);
1.253 nicm 1903: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1904:
1.373 nicm 1905: tty_cell(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 1906: }
1907:
1908: void
1909: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1910: {
1.309 nicm 1911: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1912: return;
1913:
1914: if (ctx->bigger &&
1.372 nicm 1915: (ctx->xoff + ctx->ocx < ctx->wox ||
1916: ctx->xoff + ctx->ocx + ctx->num > ctx->wox + ctx->wsx)) {
1.309 nicm 1917: if (!ctx->wrapped ||
1.372 nicm 1918: !tty_full_width(tty, ctx) ||
1.382 nicm 1919: (tty->term->flags & TERM_NOAM) ||
1.309 nicm 1920: ctx->xoff + ctx->ocx != 0 ||
1921: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1922: tty->cx < tty->sx ||
1923: tty->cy == tty->rlower)
1924: tty_draw_pane(tty, ctx, ctx->ocy);
1925: else
1.373 nicm 1926: ctx->redraw_cb(ctx);
1.309 nicm 1927: return;
1928: }
1929:
1.306 nicm 1930: tty_margin_off(tty);
1.253 nicm 1931: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1932:
1.373 nicm 1933: tty_attributes(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 1934: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1935: }
1936:
1937: void
1938: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1939: {
1.383 nicm 1940: tty_set_selection(tty, ctx->ptr, ctx->num);
1941: }
1942:
1943: void
1944: tty_set_selection(struct tty *tty, const char *buf, size_t len)
1945: {
1946: char *encoded;
1947: size_t size;
1.106 nicm 1948:
1.384 nicm 1949: if (~tty->flags & TTY_STARTED)
1950: return;
1.106 nicm 1951: if (!tty_term_has(tty->term, TTYC_MS))
1.383 nicm 1952: return;
1.106 nicm 1953:
1.383 nicm 1954: size = 4 * ((len + 2) / 3) + 1; /* storage for base64 */
1955: encoded = xmalloc(size);
1.106 nicm 1956:
1.383 nicm 1957: b64_ntop(buf, len, encoded, size);
1958: tty_putcode_ptr2(tty, TTYC_MS, "", encoded);
1.106 nicm 1959:
1.383 nicm 1960: free(encoded);
1.100 nicm 1961: }
1962:
1963: void
1964: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1965: {
1.256 nicm 1966: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1967: tty_invalidate(tty);
1.348 nicm 1968: }
1969:
1970: void
1971: tty_cmd_syncstart(struct tty *tty, __unused const struct tty_ctx *ctx)
1972: {
1973: tty_sync_start(tty);
1.1 nicm 1974: }
1975:
1.377 nicm 1976: void
1.373 nicm 1977: tty_cell(struct tty *tty, const struct grid_cell *gc,
1978: const struct grid_cell *defaults, int *palette)
1.1 nicm 1979: {
1.298 nicm 1980: const struct grid_cell *gcp;
1.1 nicm 1981:
1982: /* Skip last character if terminal is stupid. */
1.382 nicm 1983: if ((tty->term->flags & TERM_NOAM) &&
1.211 nicm 1984: tty->cy == tty->sy - 1 &&
1985: tty->cx == tty->sx - 1)
1.1 nicm 1986: return;
1987:
1988: /* If this is a padding character, do nothing. */
1989: if (gc->flags & GRID_FLAG_PADDING)
1990: return;
1991:
1.377 nicm 1992: /* Check the output codeset and apply attributes. */
1993: gcp = tty_check_codeset(tty, gc);
1994: tty_attributes(tty, gcp, defaults, palette);
1.1 nicm 1995:
1.377 nicm 1996: /* If it is a single character, write with putc to handle ACS. */
1.298 nicm 1997: if (gcp->data.size == 1) {
1.377 nicm 1998: tty_attributes(tty, gcp, defaults, palette);
1.298 nicm 1999: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 2000: return;
1.298 nicm 2001: tty_putc(tty, *gcp->data.data);
1.1 nicm 2002: return;
2003: }
2004:
1.147 nicm 2005: /* Write the data. */
1.298 nicm 2006: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 2007: }
2008:
2009: void
2010: tty_reset(struct tty *tty)
2011: {
2012: struct grid_cell *gc = &tty->cell;
2013:
1.228 nicm 2014: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 2015: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 2016: tty_putcode(tty, TTYC_RMACS);
2017: tty_putcode(tty, TTYC_SGR0);
2018: memcpy(gc, &grid_default_cell, sizeof *gc);
2019: }
2020: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1.242 nicm 2021: }
2022:
2023: static void
2024: tty_invalidate(struct tty *tty)
2025: {
2026: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
2027: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
2028:
2029: tty->cx = tty->cy = UINT_MAX;
2030: tty->rupper = tty->rleft = UINT_MAX;
2031: tty->rlower = tty->rright = UINT_MAX;
2032:
2033: if (tty->flags & TTY_STARTED) {
1.330 nicm 2034: if (tty_use_margin(tty))
1.365 nicm 2035: tty_putcode(tty, TTYC_ENMG);
1.242 nicm 2036: tty_putcode(tty, TTYC_SGR0);
2037:
2038: tty->mode = ALL_MODES;
2039: tty_update_mode(tty, MODE_CURSOR, NULL);
2040:
2041: tty_cursor(tty, 0, 0);
2042: tty_region_off(tty);
2043: tty_margin_off(tty);
2044: } else
2045: tty->mode = MODE_CURSOR;
1.1 nicm 2046: }
2047:
1.214 nicm 2048: /* Turn off margin. */
2049: void
2050: tty_region_off(struct tty *tty)
2051: {
2052: tty_region(tty, 0, tty->sy - 1);
2053: }
2054:
1.40 nicm 2055: /* Set region inside pane. */
1.208 nicm 2056: static void
1.196 nicm 2057: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
2058: u_int rlower)
1.1 nicm 2059: {
1.372 nicm 2060: tty_region(tty, ctx->yoff + rupper - ctx->woy,
2061: ctx->yoff + rlower - ctx->woy);
1.39 nicm 2062: }
2063:
1.40 nicm 2064: /* Set region at absolute position. */
1.214 nicm 2065: static void
1.40 nicm 2066: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2067: {
2068: if (tty->rlower == rlower && tty->rupper == rupper)
2069: return;
1.1 nicm 2070: if (!tty_term_has(tty->term, TTYC_CSR))
2071: return;
1.39 nicm 2072:
2073: tty->rupper = rupper;
2074: tty->rlower = rlower;
1.55 nicm 2075:
2076: /*
2077: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2078: * 0,0 if it is beyond the last column (they do not reset their wrap
2079: * flag so further output causes a line feed). As a workaround, do an
2080: * explicit move to 0 first.
2081: */
1.353 nicm 2082: if (tty->cx >= tty->sx) {
2083: if (tty->cy == UINT_MAX)
2084: tty_cursor(tty, 0, 0);
2085: else
2086: tty_cursor(tty, 0, tty->cy);
2087: }
1.42 nicm 2088:
1.39 nicm 2089: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2090: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2091: }
2092:
1.214 nicm 2093: /* Turn off margin. */
2094: void
2095: tty_margin_off(struct tty *tty)
2096: {
2097: tty_margin(tty, 0, tty->sx - 1);
2098: }
2099:
1.212 nicm 2100: /* Set margin inside pane. */
2101: static void
2102: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2103: {
1.372 nicm 2104: tty_margin(tty, ctx->xoff - ctx->wox,
1.373 nicm 2105: ctx->xoff + ctx->sx - 1 - ctx->wox);
1.212 nicm 2106: }
2107:
2108: /* Set margin at absolute position. */
1.214 nicm 2109: static void
1.212 nicm 2110: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2111: {
2112: if (!tty_use_margin(tty))
2113: return;
2114: if (tty->rleft == rleft && tty->rright == rright)
2115: return;
2116:
1.232 nicm 2117: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2118:
1.212 nicm 2119: tty->rleft = rleft;
2120: tty->rright = rright;
2121:
1.232 nicm 2122: if (rleft == 0 && rright == tty->sx - 1)
1.365 nicm 2123: tty_putcode(tty, TTYC_CLMG);
1.232 nicm 2124: else
1.365 nicm 2125: tty_putcode2(tty, TTYC_CMG, rleft, rright);
1.249 nicm 2126: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2127: }
2128:
2129: /*
2130: * Move the cursor, unless it would wrap itself when the next character is
2131: * printed.
2132: */
2133: static void
2134: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2135: u_int cx, u_int cy)
2136: {
1.268 nicm 2137: if (!ctx->wrapped ||
1.372 nicm 2138: !tty_full_width(tty, ctx) ||
1.382 nicm 2139: (tty->term->flags & TERM_NOAM) ||
1.253 nicm 2140: ctx->xoff + cx != 0 ||
2141: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2142: tty->cx < tty->sx ||
2143: tty->cy == tty->rlower)
1.253 nicm 2144: tty_cursor_pane(tty, ctx, cx, cy);
2145: else
2146: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2147: }
2148:
1.42 nicm 2149: /* Move cursor inside pane. */
1.208 nicm 2150: static void
1.41 nicm 2151: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2152: {
1.372 nicm 2153: tty_cursor(tty, ctx->xoff + cx - ctx->wox, ctx->yoff + cy - ctx->woy);
1.41 nicm 2154: }
2155:
1.42 nicm 2156: /* Move cursor to absolute position. */
1.41 nicm 2157: void
2158: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2159: {
1.42 nicm 2160: struct tty_term *term = tty->term;
2161: u_int thisx, thisy;
2162: int change;
1.354 nicm 2163:
2164: if (tty->flags & TTY_BLOCK)
2165: return;
1.77 nicm 2166:
1.42 nicm 2167: if (cx > tty->sx - 1)
2168: cx = tty->sx - 1;
2169:
2170: thisx = tty->cx;
2171: thisy = tty->cy;
2172:
2173: /* No change. */
2174: if (cx == thisx && cy == thisy)
2175: return;
2176:
1.43 nicm 2177: /* Very end of the line, just use absolute movement. */
2178: if (thisx > tty->sx - 1)
2179: goto absolute;
2180:
1.42 nicm 2181: /* Move to home position (0, 0). */
2182: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2183: tty_putcode(tty, TTYC_HOME);
2184: goto out;
2185: }
2186:
2187: /* Zero on the next line. */
1.293 nicm 2188: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2189: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2190: tty_putc(tty, '\r');
1.42 nicm 2191: tty_putc(tty, '\n');
2192: goto out;
2193: }
2194:
1.45 nicm 2195: /* Moving column or row. */
1.42 nicm 2196: if (cy == thisy) {
1.45 nicm 2197: /*
2198: * Moving column only, row staying the same.
2199: */
2200:
1.42 nicm 2201: /* To left edge. */
1.294 nicm 2202: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2203: tty_putc(tty, '\r');
2204: goto out;
2205: }
2206:
2207: /* One to the left. */
2208: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2209: tty_putcode(tty, TTYC_CUB1);
2210: goto out;
2211: }
2212:
2213: /* One to the right. */
2214: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2215: tty_putcode(tty, TTYC_CUF1);
2216: goto out;
2217: }
2218:
2219: /* Calculate difference. */
2220: change = thisx - cx; /* +ve left, -ve right */
2221:
2222: /*
2223: * Use HPA if change is larger than absolute, otherwise move
2224: * the cursor with CUB/CUF.
2225: */
1.87 nicm 2226: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2227: tty_putcode1(tty, TTYC_HPA, cx);
2228: goto out;
1.333 nicm 2229: } else if (change > 0 &&
2230: tty_term_has(term, TTYC_CUB) &&
2231: !tty_use_margin(tty)) {
1.202 nicm 2232: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2233: tty_putcode(tty, TTYC_CUB1);
2234: tty_putcode(tty, TTYC_CUB1);
2235: goto out;
2236: }
1.42 nicm 2237: tty_putcode1(tty, TTYC_CUB, change);
2238: goto out;
1.333 nicm 2239: } else if (change < 0 &&
2240: tty_term_has(term, TTYC_CUF) &&
2241: !tty_use_margin(tty)) {
1.42 nicm 2242: tty_putcode1(tty, TTYC_CUF, -change);
2243: goto out;
2244: }
1.45 nicm 2245: } else if (cx == thisx) {
2246: /*
2247: * Moving row only, column staying the same.
2248: */
1.42 nicm 2249:
2250: /* One above. */
1.77 nicm 2251: if (thisy != tty->rupper &&
1.42 nicm 2252: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2253: tty_putcode(tty, TTYC_CUU1);
2254: goto out;
2255: }
2256:
2257: /* One below. */
1.49 nicm 2258: if (thisy != tty->rlower &&
1.42 nicm 2259: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2260: tty_putcode(tty, TTYC_CUD1);
2261: goto out;
2262: }
2263:
2264: /* Calculate difference. */
2265: change = thisy - cy; /* +ve up, -ve down */
2266:
2267: /*
1.77 nicm 2268: * Try to use VPA if change is larger than absolute or if this
2269: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2270: */
1.87 nicm 2271: if ((u_int) abs(change) > cy ||
1.42 nicm 2272: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2273: (change > 0 && cy - change < tty->rupper)) {
2274: if (tty_term_has(term, TTYC_VPA)) {
2275: tty_putcode1(tty, TTYC_VPA, cy);
2276: goto out;
2277: }
1.42 nicm 2278: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2279: tty_putcode1(tty, TTYC_CUU, change);
2280: goto out;
2281: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2282: tty_putcode1(tty, TTYC_CUD, -change);
2283: goto out;
2284: }
2285: }
2286:
1.43 nicm 2287: absolute:
1.42 nicm 2288: /* Absolute movement. */
2289: tty_putcode2(tty, TTYC_CUP, cy, cx);
2290:
2291: out:
2292: tty->cx = cx;
2293: tty->cy = cy;
1.1 nicm 2294: }
2295:
2296: void
1.176 nicm 2297: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.373 nicm 2298: const struct grid_cell *defaults, int *palette)
1.1 nicm 2299: {
1.63 nicm 2300: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2301: int changed;
1.61 nicm 2302:
1.373 nicm 2303: /* Copy cell and update default colours. */
2304: memcpy(&gc2, gc, sizeof gc2);
2305: if (gc2.fg == 8)
2306: gc2.fg = defaults->fg;
2307: if (gc2.bg == 8)
2308: gc2.bg = defaults->bg;
2309:
1.228 nicm 2310: /* Ignore cell if it is the same as the last one. */
1.373 nicm 2311: if (gc2.attr == tty->last_cell.attr &&
2312: gc2.fg == tty->last_cell.fg &&
2313: gc2.bg == tty->last_cell.bg &&
2314: gc2.us == tty->last_cell.us)
1.228 nicm 2315: return;
1.63 nicm 2316:
1.18 nicm 2317: /*
2318: * If no setab, try to use the reverse attribute as a best-effort for a
2319: * non-default background. This is a bit of a hack but it doesn't do
2320: * any serious harm and makes a couple of applications happier.
2321: */
2322: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2323: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2324: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2325: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2326: } else {
1.310 nicm 2327: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2328: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2329: }
2330: }
1.1 nicm 2331:
1.85 nicm 2332: /* Fix up the colours if necessary. */
1.373 nicm 2333: tty_check_fg(tty, palette, &gc2);
2334: tty_check_bg(tty, palette, &gc2);
2335: tty_check_us(tty, palette, &gc2);
1.85 nicm 2336:
1.328 nicm 2337: /*
2338: * If any bits are being cleared or the underline colour is now default,
2339: * reset everything.
2340: */
2341: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2342: tty_reset(tty);
2343:
2344: /*
2345: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2346: * may add to (NOT remove) the desired attributes.
1.64 nicm 2347: */
1.85 nicm 2348: tty_colours(tty, &gc2);
1.64 nicm 2349:
1.1 nicm 2350: /* Filter out attribute bits already set. */
1.85 nicm 2351: changed = gc2.attr & ~tc->attr;
2352: tc->attr = gc2.attr;
1.1 nicm 2353:
2354: /* Set the attributes. */
2355: if (changed & GRID_ATTR_BRIGHT)
2356: tty_putcode(tty, TTYC_BOLD);
2357: if (changed & GRID_ATTR_DIM)
2358: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2359: if (changed & GRID_ATTR_ITALICS)
2360: tty_set_italics(tty);
1.308 nicm 2361: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2362: if ((changed & GRID_ATTR_UNDERSCORE) ||
2363: !tty_term_has(tty->term, TTYC_SMULX))
2364: tty_putcode(tty, TTYC_SMUL);
2365: else if (changed & GRID_ATTR_UNDERSCORE_2)
2366: tty_putcode1(tty, TTYC_SMULX, 2);
2367: else if (changed & GRID_ATTR_UNDERSCORE_3)
2368: tty_putcode1(tty, TTYC_SMULX, 3);
2369: else if (changed & GRID_ATTR_UNDERSCORE_4)
2370: tty_putcode1(tty, TTYC_SMULX, 4);
2371: else if (changed & GRID_ATTR_UNDERSCORE_5)
2372: tty_putcode1(tty, TTYC_SMULX, 5);
2373: }
1.1 nicm 2374: if (changed & GRID_ATTR_BLINK)
2375: tty_putcode(tty, TTYC_BLINK);
2376: if (changed & GRID_ATTR_REVERSE) {
2377: if (tty_term_has(tty->term, TTYC_REV))
2378: tty_putcode(tty, TTYC_REV);
2379: else if (tty_term_has(tty->term, TTYC_SMSO))
2380: tty_putcode(tty, TTYC_SMSO);
2381: }
2382: if (changed & GRID_ATTR_HIDDEN)
2383: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2384: if (changed & GRID_ATTR_STRIKETHROUGH)
2385: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2386: if (changed & GRID_ATTR_OVERLINE)
2387: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2388: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2389: tty_putcode(tty, TTYC_SMACS);
1.373 nicm 2390:
2391: memcpy(&tty->last_cell, &gc2, sizeof tty->last_cell);
1.1 nicm 2392: }
2393:
1.207 nicm 2394: static void
1.85 nicm 2395: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2396: {
1.61 nicm 2397: struct grid_cell *tc = &tty->cell;
1.204 nicm 2398: int have_ax;
1.61 nicm 2399:
2400: /* No changes? Nothing is necessary. */
1.328 nicm 2401: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2402: return;
1.1 nicm 2403:
1.61 nicm 2404: /*
2405: * Is either the default colour? This is handled specially because the
2406: * best solution might be to reset both colours to default, in which
2407: * case if only one is default need to fall onward to set the other
2408: * colour.
2409: */
1.310 nicm 2410: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2411: /*
2412: * If don't have AX but do have op, send sgr0 (op can't
2413: * actually be used because it is sometimes the same as sgr0
2414: * and sometimes isn't). This resets both colours to default.
2415: *
2416: * Otherwise, try to set the default colour only as needed.
2417: */
1.174 nicm 2418: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2419: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2420: tty_reset(tty);
2421: else {
1.310 nicm 2422: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2423: if (have_ax)
2424: tty_puts(tty, "\033[39m");
1.204 nicm 2425: else if (tc->fg != 7)
1.61 nicm 2426: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2427: tc->fg = gc->fg;
1.61 nicm 2428: }
1.310 nicm 2429: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2430: if (have_ax)
1.61 nicm 2431: tty_puts(tty, "\033[49m");
1.204 nicm 2432: else if (tc->bg != 0)
1.61 nicm 2433: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2434: tc->bg = gc->bg;
1.61 nicm 2435: }
2436: }
2437: }
1.1 nicm 2438:
1.61 nicm 2439: /* Set the foreground colour. */
1.310 nicm 2440: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2441: tty_colours_fg(tty, gc);
1.1 nicm 2442:
1.61 nicm 2443: /*
2444: * Set the background colour. This must come after the foreground as
2445: * tty_colour_fg() can call tty_reset().
2446: */
1.310 nicm 2447: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2448: tty_colours_bg(tty, gc);
1.328 nicm 2449:
2450: /* Set the underscore color. */
2451: if (gc->us != tc->us)
2452: tty_colours_us(tty, gc);
1.1 nicm 2453: }
2454:
1.219 nicm 2455: static void
1.373 nicm 2456: tty_check_fg(struct tty *tty, int *palette, struct grid_cell *gc)
1.85 nicm 2457: {
1.204 nicm 2458: u_char r, g, b;
2459: u_int colours;
1.223 nicm 2460: int c;
1.85 nicm 2461:
1.288 nicm 2462: /*
2463: * Perform substitution if this pane has a palette. If the bright
2464: * attribute is set, use the bright entry in the palette by changing to
2465: * the aixterm colour.
2466: */
2467: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2468: c = gc->fg;
1.289 nicm 2469: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2470: c += 90;
1.373 nicm 2471: if ((c = tty_get_palette(palette, c)) != -1)
1.288 nicm 2472: gc->fg = c;
2473: }
1.219 nicm 2474:
1.199 nicm 2475: /* Is this a 24-bit colour? */
1.204 nicm 2476: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2477: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2478: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2479: return;
1.341 nicm 2480: colour_split_rgb(gc->fg, &r, &g, &b);
2481: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2482: }
1.224 nicm 2483:
2484: /* How many colours does this terminal have? */
1.359 nicm 2485: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2486: colours = 256;
2487: else
2488: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2489:
1.85 nicm 2490: /* Is this a 256-colour colour? */
1.204 nicm 2491: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2492: /* And not a 256 colour mode? */
1.387 nicm 2493: if (colours < 256) {
1.85 nicm 2494: gc->fg = colour_256to16(gc->fg);
2495: if (gc->fg & 8) {
2496: gc->fg &= 7;
1.175 nicm 2497: if (colours >= 16)
2498: gc->fg += 90;
1.332 nicm 2499: }
1.85 nicm 2500: }
2501: return;
2502: }
2503:
2504: /* Is this an aixterm colour? */
2505: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2506: gc->fg -= 90;
2507: gc->attr |= GRID_ATTR_BRIGHT;
2508: }
2509: }
2510:
1.219 nicm 2511: static void
1.373 nicm 2512: tty_check_bg(struct tty *tty, int *palette, struct grid_cell *gc)
1.85 nicm 2513: {
1.204 nicm 2514: u_char r, g, b;
2515: u_int colours;
1.223 nicm 2516: int c;
1.85 nicm 2517:
1.288 nicm 2518: /* Perform substitution if this pane has a palette. */
2519: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.373 nicm 2520: if ((c = tty_get_palette(palette, gc->bg)) != -1)
1.288 nicm 2521: gc->bg = c;
2522: }
1.219 nicm 2523:
1.199 nicm 2524: /* Is this a 24-bit colour? */
1.204 nicm 2525: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2526: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2527: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2528: return;
1.341 nicm 2529: colour_split_rgb(gc->bg, &r, &g, &b);
2530: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2531: }
1.224 nicm 2532:
2533: /* How many colours does this terminal have? */
1.359 nicm 2534: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2535: colours = 256;
2536: else
2537: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2538:
1.85 nicm 2539: /* Is this a 256-colour colour? */
1.204 nicm 2540: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2541: /*
2542: * And not a 256 colour mode? Translate to 16-colour
2543: * palette. Bold background doesn't exist portably, so just
2544: * discard the bold bit if set.
2545: */
1.387 nicm 2546: if (colours < 256) {
1.85 nicm 2547: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2548: if (gc->bg & 8) {
1.85 nicm 2549: gc->bg &= 7;
1.175 nicm 2550: if (colours >= 16)
1.322 nicm 2551: gc->bg += 90;
1.175 nicm 2552: }
1.85 nicm 2553: }
2554: return;
2555: }
2556:
2557: /* Is this an aixterm colour? */
1.175 nicm 2558: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2559: gc->bg -= 90;
2560: }
2561:
1.207 nicm 2562: static void
1.373 nicm 2563: tty_check_us(__unused struct tty *tty, int *palette, struct grid_cell *gc)
1.328 nicm 2564: {
2565: int c;
2566:
2567: /* Perform substitution if this pane has a palette. */
2568: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.373 nicm 2569: if ((c = tty_get_palette(palette, gc->us)) != -1)
1.328 nicm 2570: gc->us = c;
2571: }
2572:
2573: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2574: if (gc->us & COLOUR_FLAG_256)
2575: gc->us = colour_256toRGB (gc->us);
2576: }
2577:
2578: static void
1.85 nicm 2579: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2580: {
1.61 nicm 2581: struct grid_cell *tc = &tty->cell;
1.79 nicm 2582: char s[32];
1.1 nicm 2583:
1.204 nicm 2584: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2585: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2586: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.385 nicm 2587: goto save;
1.199 nicm 2588: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2589: return;
1.1 nicm 2590: }
2591:
1.79 nicm 2592: /* Is this an aixterm bright colour? */
1.204 nicm 2593: if (gc->fg >= 90 && gc->fg <= 97) {
1.359 nicm 2594: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2595: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2596: tty_puts(tty, s);
2597: } else
2598: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.385 nicm 2599: goto save;
1.79 nicm 2600: }
2601:
1.61 nicm 2602: /* Otherwise set the foreground colour. */
1.204 nicm 2603: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2604:
1.385 nicm 2605: save:
1.61 nicm 2606: /* Save the new values in the terminal current cell. */
1.204 nicm 2607: tc->fg = gc->fg;
1.1 nicm 2608: }
2609:
1.207 nicm 2610: static void
1.73 nicm 2611: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2612: {
1.61 nicm 2613: struct grid_cell *tc = &tty->cell;
1.79 nicm 2614: char s[32];
1.1 nicm 2615:
1.204 nicm 2616: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2617: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2618: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.385 nicm 2619: goto save;
1.199 nicm 2620: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2621: return;
1.79 nicm 2622: }
2623:
2624: /* Is this an aixterm bright colour? */
1.204 nicm 2625: if (gc->bg >= 90 && gc->bg <= 97) {
1.359 nicm 2626: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2627: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2628: tty_puts(tty, s);
2629: } else
2630: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.385 nicm 2631: goto save;
1.1 nicm 2632: }
2633:
1.61 nicm 2634: /* Otherwise set the background colour. */
1.204 nicm 2635: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2636:
1.385 nicm 2637: save:
1.61 nicm 2638: /* Save the new values in the terminal current cell. */
1.204 nicm 2639: tc->bg = gc->bg;
1.328 nicm 2640: }
2641:
2642: static void
2643: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2644: {
2645: struct grid_cell *tc = &tty->cell;
2646: u_int c;
2647: u_char r, g, b;
2648:
1.385 nicm 2649: /* Clear underline colour. */
2650: if (gc->us == 0) {
2651: tty_putcode(tty, TTYC_OL);
2652: goto save;
2653: }
2654:
1.328 nicm 2655: /* Must be an RGB colour - this should never happen. */
2656: if (~gc->us & COLOUR_FLAG_RGB)
2657: return;
2658:
2659: /*
1.385 nicm 2660: * Setulc and setal follows the ncurses(3) one argument "direct colour"
1.328 nicm 2661: * capability format. Calculate the colour value.
2662: */
2663: colour_split_rgb(gc->us, &r, &g, &b);
2664: c = (65536 * r) + (256 * g) + b;
2665:
1.385 nicm 2666: /*
2667: * Write the colour. Only use setal if the RGB flag is set because the
2668: * non-RGB version may be wrong.
2669: */
2670: if (tty_term_has(tty->term, TTYC_SETULC))
2671: tty_putcode1(tty, TTYC_SETULC, c);
2672: else if (tty_term_has(tty->term, TTYC_SETAL) &&
2673: tty_term_has(tty->term, TTYC_RGB))
2674: tty_putcode1(tty, TTYC_SETAL, c);
1.328 nicm 2675:
1.385 nicm 2676: save:
1.328 nicm 2677: /* Save the new values in the terminal current cell. */
2678: tc->us = gc->us;
1.61 nicm 2679: }
2680:
1.207 nicm 2681: static int
1.204 nicm 2682: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2683: {
1.204 nicm 2684: u_char r, g, b;
1.61 nicm 2685:
1.204 nicm 2686: if (colour & COLOUR_FLAG_256) {
1.359 nicm 2687: if (*type == '3' && tty_term_has(tty->term, TTYC_SETAF))
2688: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2689: else if (tty_term_has(tty->term, TTYC_SETAB))
2690: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2691: return (0);
1.204 nicm 2692: }
2693:
2694: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2695: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.359 nicm 2696: if (*type == '3' && tty_term_has(tty->term, TTYC_SETRGBF))
1.286 nicm 2697: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
1.359 nicm 2698: else if (tty_term_has(tty->term, TTYC_SETRGBB))
1.286 nicm 2699: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
1.165 nicm 2700: return (0);
2701: }
1.61 nicm 2702:
1.165 nicm 2703: return (-1);
1.176 nicm 2704: }
2705:
1.207 nicm 2706: static void
1.371 nicm 2707: tty_window_default_style(struct grid_cell *gc, struct window_pane *wp)
2708: {
2709: memcpy(gc, &grid_default_cell, sizeof *gc);
2710: gc->fg = wp->fg;
2711: gc->bg = wp->bg;
2712: }
2713:
1.373 nicm 2714: void
1.317 nicm 2715: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2716: {
1.326 nicm 2717: struct options *oo = wp->options;
1.373 nicm 2718:
2719: memcpy(gc, &grid_default_cell, sizeof *gc);
1.326 nicm 2720:
2721: if (wp->flags & PANE_STYLECHANGED) {
2722: wp->flags &= ~PANE_STYLECHANGED;
1.371 nicm 2723:
2724: tty_window_default_style(&wp->cached_active_gc, wp);
2725: style_add(&wp->cached_active_gc, oo, "window-active-style",
2726: NULL);
2727: tty_window_default_style(&wp->cached_gc, wp);
2728: style_add(&wp->cached_gc, oo, "window-style", NULL);
1.203 nicm 2729: }
1.176 nicm 2730:
1.204 nicm 2731: if (gc->fg == 8) {
1.370 nicm 2732: if (wp == wp->window->active && wp->cached_active_gc.fg != 8)
2733: gc->fg = wp->cached_active_gc.fg;
1.204 nicm 2734: else
1.370 nicm 2735: gc->fg = wp->cached_gc.fg;
1.176 nicm 2736: }
2737:
1.204 nicm 2738: if (gc->bg == 8) {
1.370 nicm 2739: if (wp == wp->window->active && wp->cached_active_gc.bg != 8)
2740: gc->bg = wp->cached_active_gc.bg;
1.204 nicm 2741: else
1.370 nicm 2742: gc->bg = wp->cached_gc.bg;
1.176 nicm 2743: }
1.210 nicm 2744: }
2745:
2746: static void
1.373 nicm 2747: tty_default_attributes(struct tty *tty, const struct grid_cell *defaults,
2748: int *palette, u_int bg)
1.210 nicm 2749: {
1.373 nicm 2750: struct grid_cell gc;
1.210 nicm 2751:
2752: memcpy(&gc, &grid_default_cell, sizeof gc);
2753: gc.bg = bg;
1.373 nicm 2754: tty_attributes(tty, &gc, defaults, palette);
1.1 nicm 2755: }
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