Annotation of src/usr.bin/tmux/tty.c, Revision 1.405
1.405 ! nicm 1: /* $OpenBSD: tty.c,v 1.404 2021/10/05 12:46:02 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 *);
1.399 nicm 48: static void tty_check_fg(struct tty *, struct colour_palette *,
49: struct grid_cell *);
50: static void tty_check_bg(struct tty *, struct colour_palette *,
51: struct grid_cell *);
52: static void tty_check_us(struct tty *, struct colour_palette *,
53: struct grid_cell *);
1.207 nicm 54: static void tty_colours_fg(struct tty *, const struct grid_cell *);
55: static void tty_colours_bg(struct tty *, const struct grid_cell *);
1.328 nicm 56: static void tty_colours_us(struct tty *, const struct grid_cell *);
1.207 nicm 57:
1.208 nicm 58: static void tty_region_pane(struct tty *, const struct tty_ctx *, u_int,
59: u_int);
1.214 nicm 60: static void tty_region(struct tty *, u_int, u_int);
1.212 nicm 61: static void tty_margin_pane(struct tty *, const struct tty_ctx *);
1.214 nicm 62: static void tty_margin(struct tty *, u_int, u_int);
1.207 nicm 63: static int tty_large_region(struct tty *, const struct tty_ctx *);
1.373 nicm 64: static int tty_fake_bce(const struct tty *, const struct grid_cell *,
65: u_int);
1.207 nicm 66: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
67: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
68: enum tty_code_code, u_int);
69: static void tty_repeat_space(struct tty *, u_int);
1.309 nicm 70: static void tty_draw_pane(struct tty *, const struct tty_ctx *, u_int);
1.373 nicm 71: static void tty_default_attributes(struct tty *, const struct grid_cell *,
1.399 nicm 72: struct colour_palette *, u_int);
1.394 nicm 73: static int tty_check_overlay(struct tty *, u_int, u_int);
1.1 nicm 74:
1.212 nicm 75: #define tty_use_margin(tty) \
1.359 nicm 76: (tty->term->flags & TERM_DECSLRM)
1.372 nicm 77: #define tty_full_width(tty, ctx) \
78: ((ctx)->xoff == 0 && (ctx)->sx >= (tty)->sx)
1.132 nicm 79:
1.266 nicm 80: #define TTY_BLOCK_INTERVAL (100000 /* 100 milliseconds */)
81: #define TTY_BLOCK_START(tty) (1 + ((tty)->sx * (tty)->sy) * 8)
82: #define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
83:
1.192 nicm 84: void
85: tty_create_log(void)
86: {
87: char name[64];
88:
89: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
90:
91: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
92: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
93: fatal("fcntl failed");
94: }
95:
1.185 nicm 96: int
1.380 nicm 97: tty_init(struct tty *tty, struct client *c)
1.1 nicm 98: {
1.380 nicm 99: if (!isatty(c->fd))
1.185 nicm 100: return (-1);
101:
1.30 nicm 102: memset(tty, 0, sizeof *tty);
1.136 nicm 103: tty->client = c;
1.30 nicm 104:
1.391 nicm 105: tty->cstyle = SCREEN_CURSOR_DEFAULT;
1.107 nicm 106: tty->ccolour = xstrdup("");
1.30 nicm 107:
1.380 nicm 108: if (tcgetattr(c->fd, &tty->tio) != 0)
109: return (-1);
1.185 nicm 110: return (0);
1.31 nicm 111: }
112:
1.287 nicm 113: void
1.31 nicm 114: tty_resize(struct tty *tty)
115: {
1.258 nicm 116: struct client *c = tty->client;
117: struct winsize ws;
1.334 nicm 118: u_int sx, sy, xpixel, ypixel;
1.31 nicm 119:
1.380 nicm 120: if (ioctl(c->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 121: sx = ws.ws_col;
1.334 nicm 122: if (sx == 0) {
1.88 nicm 123: sx = 80;
1.334 nicm 124: xpixel = 0;
125: } else
126: xpixel = ws.ws_xpixel / sx;
1.88 nicm 127: sy = ws.ws_row;
1.334 nicm 128: if (sy == 0) {
1.88 nicm 129: sy = 24;
1.334 nicm 130: ypixel = 0;
131: } else
132: ypixel = ws.ws_ypixel / sy;
1.88 nicm 133: } else {
134: sx = 80;
135: sy = 24;
1.334 nicm 136: xpixel = 0;
137: ypixel = 0;
1.31 nicm 138: }
1.334 nicm 139: log_debug("%s: %s now %ux%u (%ux%u)", __func__, c->name, sx, sy,
140: xpixel, ypixel);
141: tty_set_size(tty, sx, sy, xpixel, ypixel);
1.242 nicm 142: tty_invalidate(tty);
1.114 nicm 143: }
144:
1.287 nicm 145: void
1.334 nicm 146: tty_set_size(struct tty *tty, u_int sx, u_int sy, u_int xpixel, u_int ypixel)
1.212 nicm 147: {
1.114 nicm 148: tty->sx = sx;
149: tty->sy = sy;
1.334 nicm 150: tty->xpixel = xpixel;
151: tty->ypixel = ypixel;
1.1 nicm 152: }
153:
1.244 nicm 154: static void
155: tty_read_callback(__unused int fd, __unused short events, void *data)
156: {
157: struct tty *tty = data;
1.258 nicm 158: struct client *c = tty->client;
1.375 nicm 159: const char *name = c->name;
1.244 nicm 160: size_t size = EVBUFFER_LENGTH(tty->in);
161: int nread;
162:
1.380 nicm 163: nread = evbuffer_read(tty->in, c->fd, -1);
1.295 nicm 164: if (nread == 0 || nread == -1) {
1.375 nicm 165: if (nread == 0)
166: log_debug("%s: read closed", name);
167: else
168: log_debug("%s: read error: %s", name, strerror(errno));
1.290 nicm 169: event_del(&tty->event_in);
1.295 nicm 170: server_client_lost(tty->client);
1.244 nicm 171: return;
1.290 nicm 172: }
1.375 nicm 173: log_debug("%s: read %d bytes (already %zu)", name, nread, size);
1.244 nicm 174:
175: while (tty_keys_next(tty))
176: ;
177: }
178:
179: static void
1.266 nicm 180: tty_timer_callback(__unused int fd, __unused short events, void *data)
181: {
182: struct tty *tty = data;
183: struct client *c = tty->client;
184: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
185:
186: log_debug("%s: %zu discarded", c->name, tty->discarded);
187:
1.305 nicm 188: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.266 nicm 189: c->discarded += tty->discarded;
190:
191: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
192: tty->flags &= ~TTY_BLOCK;
193: tty_invalidate(tty);
194: return;
195: }
196: tty->discarded = 0;
197: evtimer_add(&tty->timer, &tv);
198: }
199:
200: static int
201: tty_block_maybe(struct tty *tty)
202: {
203: struct client *c = tty->client;
204: size_t size = EVBUFFER_LENGTH(tty->out);
205: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
206:
207: if (size < TTY_BLOCK_START(tty))
208: return (0);
209:
210: if (tty->flags & TTY_BLOCK)
211: return (1);
212: tty->flags |= TTY_BLOCK;
213:
214: log_debug("%s: can't keep up, %zu discarded", c->name, size);
215:
216: evbuffer_drain(tty->out, size);
217: c->discarded += size;
218:
219: tty->discarded = 0;
220: evtimer_add(&tty->timer, &tv);
221: return (1);
222: }
223:
224: static void
1.244 nicm 225: tty_write_callback(__unused int fd, __unused short events, void *data)
226: {
1.246 nicm 227: struct tty *tty = data;
1.258 nicm 228: struct client *c = tty->client;
1.246 nicm 229: size_t size = EVBUFFER_LENGTH(tty->out);
230: int nwrite;
1.244 nicm 231:
1.380 nicm 232: nwrite = evbuffer_write(tty->out, c->fd);
1.244 nicm 233: if (nwrite == -1)
234: return;
1.258 nicm 235: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 236:
1.270 nicm 237: if (c->redraw > 0) {
238: if ((size_t)nwrite >= c->redraw)
239: c->redraw = 0;
240: else
241: c->redraw -= nwrite;
242: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
243: c->redraw);
244: } else if (tty_block_maybe(tty))
1.266 nicm 245: return;
246:
1.247 nicm 247: if (EVBUFFER_LENGTH(tty->out) != 0)
248: event_add(&tty->event_out, NULL);
1.244 nicm 249: }
250:
1.1 nicm 251: int
1.166 nicm 252: tty_open(struct tty *tty, char **cause)
1.1 nicm 253: {
1.359 nicm 254: struct client *c = tty->client;
255:
1.389 nicm 256: tty->term = tty_term_create(tty, c->term_name, c->term_caps,
257: c->term_ncaps, &c->term_features, cause);
1.21 nicm 258: if (tty->term == NULL) {
259: tty_close(tty);
260: return (-1);
261: }
262: tty->flags |= TTY_OPENED;
1.1 nicm 263:
1.266 nicm 264: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 265:
1.380 nicm 266: event_set(&tty->event_in, c->fd, EV_PERSIST|EV_READ,
1.244 nicm 267: tty_read_callback, tty);
268: tty->in = evbuffer_new();
1.311 nicm 269: if (tty->in == NULL)
270: fatal("out of memory");
1.1 nicm 271:
1.380 nicm 272: event_set(&tty->event_out, c->fd, EV_WRITE, tty_write_callback, tty);
1.244 nicm 273: tty->out = evbuffer_new();
1.311 nicm 274: if (tty->out == NULL)
275: fatal("out of memory");
1.1 nicm 276:
1.266 nicm 277: evtimer_set(&tty->timer, tty_timer_callback, tty);
278:
1.1 nicm 279: tty_start_tty(tty);
280:
1.148 nicm 281: tty_keys_build(tty);
1.1 nicm 282:
283: return (0);
284: }
285:
1.340 nicm 286: static void
287: tty_start_timer_callback(__unused int fd, __unused short events, void *data)
288: {
289: struct tty *tty = data;
290: struct client *c = tty->client;
291:
292: log_debug("%s: start timer fired", c->name);
1.378 nicm 293: if ((tty->flags & (TTY_HAVEDA|TTY_HAVEXDA)) == 0)
294: tty_update_features(tty);
1.364 nicm 295: tty->flags |= (TTY_HAVEDA|TTY_HAVEXDA);
1.340 nicm 296: }
297:
1.244 nicm 298: void
299: tty_start_tty(struct tty *tty)
1.1 nicm 300: {
1.285 nicm 301: struct client *c = tty->client;
302: struct termios tio;
1.340 nicm 303: struct timeval tv = { .tv_sec = 1 };
1.33 nicm 304:
1.380 nicm 305: setblocking(c->fd, 0);
306: event_add(&tty->event_in, NULL);
307:
308: memcpy(&tio, &tty->tio, sizeof tio);
309: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
310: tio.c_iflag |= IGNBRK;
311: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
312: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|ECHOPRT|
313: ECHOKE|ISIG);
314: tio.c_cc[VMIN] = 1;
315: tio.c_cc[VTIME] = 0;
316: if (tcsetattr(c->fd, TCSANOW, &tio) == 0)
1.404 nicm 317: tcflush(c->fd, TCOFLUSH);
1.1 nicm 318:
1.10 nicm 319: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 320:
1.252 nicm 321: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 322: tty_putcode(tty, TTYC_CLEAR);
323:
324: if (tty_acs_needed(tty)) {
325: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 326: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 327: } else
328: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 329:
330: tty_putcode(tty, TTYC_CNORM);
1.343 nicm 331: if (tty_term_has(tty->term, TTYC_KMOUS)) {
332: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1003l");
333: tty_puts(tty, "\033[?1006l\033[?1005l");
334: }
1.121 nicm 335:
1.340 nicm 336: evtimer_set(&tty->start_timer, tty_start_timer_callback, tty);
337: evtimer_add(&tty->start_timer, &tv);
338:
1.20 nicm 339: tty->flags |= TTY_STARTED;
1.242 nicm 340: tty_invalidate(tty);
1.107 nicm 341:
1.336 nicm 342: if (*tty->ccolour != '\0')
343: tty_force_cursor_colour(tty, "");
1.177 nicm 344:
345: tty->mouse_drag_flag = 0;
346: tty->mouse_drag_update = NULL;
347: tty->mouse_drag_release = NULL;
1.347 nicm 348: }
349:
350: void
351: tty_send_requests(struct tty *tty)
352: {
353: if (~tty->flags & TTY_STARTED)
354: return;
355:
1.369 nicm 356: if (tty->term->flags & TERM_VT100LIKE) {
1.347 nicm 357: if (~tty->flags & TTY_HAVEDA)
1.351 nicm 358: tty_puts(tty, "\033[>c");
1.364 nicm 359: if (~tty->flags & TTY_HAVEXDA)
360: tty_puts(tty, "\033[>q");
1.347 nicm 361: } else
1.364 nicm 362: tty->flags |= (TTY_HAVEDA|TTY_HAVEXDA);
1.128 nicm 363: }
364:
365: void
1.1 nicm 366: tty_stop_tty(struct tty *tty)
367: {
1.380 nicm 368: struct client *c = tty->client;
369: struct winsize ws;
1.1 nicm 370:
1.20 nicm 371: if (!(tty->flags & TTY_STARTED))
372: return;
373: tty->flags &= ~TTY_STARTED;
1.340 nicm 374:
375: evtimer_del(&tty->start_timer);
1.20 nicm 376:
1.266 nicm 377: event_del(&tty->timer);
378: tty->flags &= ~TTY_BLOCK;
379:
1.244 nicm 380: event_del(&tty->event_in);
381: event_del(&tty->event_out);
1.66 nicm 382:
1.1 nicm 383: /*
384: * Be flexible about error handling and try not kill the server just
385: * because the fd is invalid. Things like ssh -t can easily leave us
386: * with a dead tty.
387: */
1.380 nicm 388: if (ioctl(c->fd, TIOCGWINSZ, &ws) == -1)
1.1 nicm 389: return;
1.380 nicm 390: if (tcsetattr(c->fd, TCSANOW, &tty->tio) == -1)
1.1 nicm 391: return;
392:
393: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 394: if (tty_acs_needed(tty))
1.90 nicm 395: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 396: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
397: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
398: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.391 nicm 399: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
1.160 nicm 400: if (tty_term_has(tty->term, TTYC_SE))
401: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.391 nicm 402: else if (tty_term_has(tty->term, TTYC_SS))
1.160 nicm 403: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 404: }
1.173 nicm 405: if (tty->mode & MODE_BRACKETPASTE)
1.366 nicm 406: tty_raw(tty, tty_term_string(tty->term, TTYC_DSBP));
1.336 nicm 407: if (*tty->ccolour != '\0')
408: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 409:
410: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
1.343 nicm 411: if (tty_term_has(tty->term, TTYC_KMOUS)) {
412: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1003l");
413: tty_raw(tty, "\033[?1006l\033[?1005l");
414: }
1.151 nicm 415:
1.369 nicm 416: if (tty->term->flags & TERM_VT100LIKE)
1.352 nicm 417: tty_raw(tty, "\033[?7727l");
1.378 nicm 418: tty_raw(tty, tty_term_string(tty->term, TTYC_DSFCS));
419: tty_raw(tty, tty_term_string(tty->term, TTYC_DSEKS));
1.10 nicm 420:
1.212 nicm 421: if (tty_use_margin(tty))
1.365 nicm 422: tty_raw(tty, tty_term_string(tty->term, TTYC_DSMG));
1.10 nicm 423: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 424:
1.380 nicm 425: setblocking(c->fd, 1);
1.1 nicm 426: }
427:
428: void
1.20 nicm 429: tty_close(struct tty *tty)
1.1 nicm 430: {
1.123 nicm 431: if (event_initialized(&tty->key_timer))
432: evtimer_del(&tty->key_timer);
1.20 nicm 433: tty_stop_tty(tty);
1.1 nicm 434:
1.21 nicm 435: if (tty->flags & TTY_OPENED) {
1.244 nicm 436: evbuffer_free(tty->in);
437: event_del(&tty->event_in);
438: evbuffer_free(tty->out);
439: event_del(&tty->event_out);
1.66 nicm 440:
1.21 nicm 441: tty_term_free(tty->term);
442: tty_keys_free(tty);
443:
444: tty->flags &= ~TTY_OPENED;
445: }
1.1 nicm 446: }
447:
448: void
1.20 nicm 449: tty_free(struct tty *tty)
1.1 nicm 450: {
1.20 nicm 451: tty_close(tty);
1.138 nicm 452: free(tty->ccolour);
1.1 nicm 453: }
454:
455: void
1.359 nicm 456: tty_update_features(struct tty *tty)
1.212 nicm 457: {
1.359 nicm 458: struct client *c = tty->client;
459:
1.362 nicm 460: if (tty_apply_features(tty->term, c->term_features))
461: tty_term_apply_overrides(tty->term);
1.212 nicm 462:
463: if (tty_use_margin(tty))
1.365 nicm 464: tty_putcode(tty, TTYC_ENMG);
1.378 nicm 465: if (options_get_number(global_options, "extended-keys"))
466: tty_puts(tty, tty_term_string(tty->term, TTYC_ENEKS));
467: if (options_get_number(global_options, "focus-events"))
1.379 nicm 468: tty_puts(tty, tty_term_string(tty->term, TTYC_ENFCS));
1.378 nicm 469: if (tty->term->flags & TERM_VT100LIKE)
470: tty_puts(tty, "\033[?7727h");
1.212 nicm 471: }
472:
473: void
1.1 nicm 474: tty_raw(struct tty *tty, const char *s)
475: {
1.380 nicm 476: struct client *c = tty->client;
477: ssize_t n, slen;
478: u_int i;
1.150 nicm 479:
480: slen = strlen(s);
481: for (i = 0; i < 5; i++) {
1.380 nicm 482: n = write(c->fd, s, slen);
1.150 nicm 483: if (n >= 0) {
484: s += n;
485: slen -= n;
486: if (slen == 0)
487: break;
488: } else if (n == -1 && errno != EAGAIN)
489: break;
490: usleep(100);
491: }
1.1 nicm 492: }
493:
494: void
495: tty_putcode(struct tty *tty, enum tty_code_code code)
496: {
497: tty_puts(tty, tty_term_string(tty->term, code));
498: }
499:
500: void
501: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
502: {
503: if (a < 0)
504: return;
505: tty_puts(tty, tty_term_string1(tty->term, code, a));
506: }
507:
508: void
509: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
510: {
511: if (a < 0 || b < 0)
512: return;
513: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
514: }
515:
516: void
1.286 nicm 517: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
518: {
519: if (a < 0 || b < 0 || c < 0)
520: return;
521: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
522: }
523:
524: void
1.107 nicm 525: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
526: {
527: if (a != NULL)
528: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
529: }
530:
531: void
1.167 nicm 532: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
533: const void *b)
1.106 nicm 534: {
535: if (a != NULL && b != NULL)
536: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
537: }
538:
1.243 nicm 539: static void
540: tty_add(struct tty *tty, const char *buf, size_t len)
541: {
1.258 nicm 542: struct client *c = tty->client;
543:
1.266 nicm 544: if (tty->flags & TTY_BLOCK) {
545: tty->discarded += len;
546: return;
547: }
548:
1.244 nicm 549: evbuffer_add(tty->out, buf, len);
1.270 nicm 550: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 551: c->written += len;
1.243 nicm 552:
553: if (tty_log_fd != -1)
554: write(tty_log_fd, buf, len);
1.244 nicm 555: if (tty->flags & TTY_STARTED)
556: event_add(&tty->event_out, NULL);
1.243 nicm 557: }
558:
1.106 nicm 559: void
1.1 nicm 560: tty_puts(struct tty *tty, const char *s)
561: {
1.243 nicm 562: if (*s != '\0')
563: tty_add(tty, s, strlen(s));
1.1 nicm 564: }
565:
566: void
567: tty_putc(struct tty *tty, u_char ch)
568: {
1.90 nicm 569: const char *acs;
1.1 nicm 570:
1.382 nicm 571: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 572: ch >= 0x20 && ch != 0x7f &&
573: tty->cy == tty->sy - 1 &&
574: tty->cx + 1 >= tty->sx)
575: return;
576:
1.90 nicm 577: if (tty->cell.attr & GRID_ATTR_CHARSET) {
578: acs = tty_acs_get(tty, ch);
1.243 nicm 579: if (acs != NULL)
580: tty_add(tty, acs, strlen(acs));
581: else
582: tty_add(tty, &ch, 1);
583: } else
584: tty_add(tty, &ch, 1);
1.1 nicm 585:
586: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 587: if (tty->cx >= tty->sx) {
1.46 nicm 588: tty->cx = 1;
589: if (tty->cy != tty->rlower)
590: tty->cy++;
1.211 nicm 591:
592: /*
1.382 nicm 593: * On !am terminals, force the cursor position to where
594: * we think it should be after a line wrap - this means
595: * it works on sensible terminals as well.
1.211 nicm 596: */
1.382 nicm 597: if (tty->term->flags & TERM_NOAM)
1.211 nicm 598: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 599: } else
600: tty->cx++;
601: }
602: }
603:
604: void
1.147 nicm 605: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 606: {
1.382 nicm 607: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 608: tty->cy == tty->sy - 1 &&
609: tty->cx + len >= tty->sx)
610: len = tty->sx - tty->cx - 1;
611:
1.243 nicm 612: tty_add(tty, buf, len);
1.268 nicm 613: if (tty->cx + width > tty->sx) {
614: tty->cx = (tty->cx + width) - tty->sx;
615: if (tty->cx <= tty->sx)
616: tty->cy++;
617: else
618: tty->cx = tty->cy = UINT_MAX;
619: } else
1.254 nicm 620: tty->cx += width;
1.5 nicm 621: }
622:
1.207 nicm 623: static void
1.180 nicm 624: tty_set_italics(struct tty *tty)
625: {
626: const char *s;
627:
628: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 629: s = options_get_string(global_options, "default-terminal");
1.180 nicm 630: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
631: tty_putcode(tty, TTYC_SITM);
632: return;
633: }
634: }
635: tty_putcode(tty, TTYC_SMSO);
636: }
637:
638: void
1.1 nicm 639: tty_set_title(struct tty *tty, const char *title)
640: {
1.105 nicm 641: if (!tty_term_has(tty->term, TTYC_TSL) ||
642: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 643: return;
644:
1.105 nicm 645: tty_putcode(tty, TTYC_TSL);
1.1 nicm 646: tty_puts(tty, title);
1.105 nicm 647: tty_putcode(tty, TTYC_FSL);
1.1 nicm 648: }
649:
1.208 nicm 650: static void
1.107 nicm 651: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
652: {
653: if (*ccolour == '\0')
654: tty_putcode(tty, TTYC_CR);
655: else
1.160 nicm 656: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 657: free(tty->ccolour);
1.107 nicm 658: tty->ccolour = xstrdup(ccolour);
659: }
660:
1.404 nicm 661: static void
662: tty_update_cursor(struct tty *tty, int mode, int changed, struct screen *s)
663: {
664: enum screen_cursor_style cstyle;
665:
666: /* Set cursor colour if changed. */
667: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
668: tty_force_cursor_colour(tty, s->ccolour);
669:
670: /* If cursor is off, set as invisible. */
671: if (~mode & MODE_CURSOR) {
672: if (changed & MODE_CURSOR)
673: tty_putcode(tty, TTYC_CIVIS);
674: return;
675: }
676:
677: /* Check if blinking or very visible flag changed or style changed. */
678: if (s == NULL)
679: cstyle = tty->cstyle;
680: else
681: cstyle = s->cstyle;
682: if ((changed & CURSOR_MODES) == 0 && cstyle == tty->cstyle)
683: return;
684:
685: /*
686: * Set cursor style. If an explicit style has been set with DECSCUSR,
687: * set it if supported, otherwise send cvvis for blinking styles.
688: *
689: * If no style, has been set (SCREEN_CURSOR_DEFAULT), then send cvvis
690: * if either the blinking or very visible flags are set.
691: */
692: tty_putcode(tty, TTYC_CNORM);
693: switch (cstyle) {
694: case SCREEN_CURSOR_DEFAULT:
1.405 ! nicm 695: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
! 696: if (tty_term_has(tty->term, TTYC_SE))
! 697: tty_putcode(tty, TTYC_SE);
! 698: else
! 699: tty_putcode1(tty, TTYC_SS, 0);
! 700: }
1.404 nicm 701: if (mode & (MODE_CURSOR_BLINKING|MODE_CURSOR_VERY_VISIBLE))
702: tty_putcode(tty, TTYC_CVVIS);
703: break;
704: case SCREEN_CURSOR_BLOCK:
705: if (tty_term_has(tty->term, TTYC_SS)) {
706: if (mode & MODE_CURSOR_BLINKING)
707: tty_putcode1(tty, TTYC_SS, 1);
708: else
709: tty_putcode1(tty, TTYC_SS, 2);
710: } else if (mode & MODE_CURSOR_BLINKING)
711: tty_putcode(tty, TTYC_CVVIS);
712: break;
713: case SCREEN_CURSOR_UNDERLINE:
714: if (tty_term_has(tty->term, TTYC_SS)) {
715: if (mode & MODE_CURSOR_BLINKING)
716: tty_putcode1(tty, TTYC_SS, 3);
717: else
718: tty_putcode1(tty, TTYC_SS, 4);
719: } else if (mode & MODE_CURSOR_BLINKING)
720: tty_putcode(tty, TTYC_CVVIS);
721: break;
722: case SCREEN_CURSOR_BAR:
723: if (tty_term_has(tty->term, TTYC_SS)) {
724: if (mode & MODE_CURSOR_BLINKING)
725: tty_putcode1(tty, TTYC_SS, 5);
726: else
727: tty_putcode1(tty, TTYC_SS, 6);
728: } else if (mode & MODE_CURSOR_BLINKING)
729: tty_putcode(tty, TTYC_CVVIS);
730: break;
731: }
732: tty->cstyle = cstyle;
733: }
734:
1.107 nicm 735: void
736: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 737: {
1.404 nicm 738: struct client *c = tty->client;
739: int changed;
1.107 nicm 740:
1.1 nicm 741: if (tty->flags & TTY_NOCURSOR)
742: mode &= ~MODE_CURSOR;
743:
744: changed = mode ^ tty->mode;
1.392 nicm 745: if (log_get_level() != 0 && changed != 0) {
746: log_debug("%s: current mode %s", c->name,
747: screen_mode_to_string(tty->mode));
748: log_debug("%s: setting mode %s", c->name,
749: screen_mode_to_string(mode));
750: }
1.344 nicm 751:
1.404 nicm 752: tty_update_cursor(tty, mode, changed, s);
1.344 nicm 753: if ((changed & ALL_MOUSE_MODES) &&
754: tty_term_has(tty->term, TTYC_KMOUS)) {
1.386 nicm 755: /*
756: * If the mouse modes have changed, clear any that are set and
757: * apply again. There are differences in how terminals track
758: * the various bits.
759: */
760: if (tty->mode & MODE_MOUSE_SGR)
1.344 nicm 761: tty_puts(tty, "\033[?1006l");
1.386 nicm 762: if (tty->mode & MODE_MOUSE_STANDARD)
1.344 nicm 763: tty_puts(tty, "\033[?1000l");
1.386 nicm 764: if (tty->mode & MODE_MOUSE_BUTTON)
1.344 nicm 765: tty_puts(tty, "\033[?1002l");
1.386 nicm 766: if (tty->mode & MODE_MOUSE_ALL)
1.344 nicm 767: tty_puts(tty, "\033[?1003l");
768: if (mode & ALL_MOUSE_MODES)
1.153 nicm 769: tty_puts(tty, "\033[?1006h");
1.386 nicm 770: if (mode & MODE_MOUSE_STANDARD)
1.344 nicm 771: tty_puts(tty, "\033[?1000h");
1.386 nicm 772: if (mode & MODE_MOUSE_BUTTON)
1.344 nicm 773: tty_puts(tty, "\033[?1002h");
1.386 nicm 774: if (mode & MODE_MOUSE_ALL)
1.344 nicm 775: tty_puts(tty, "\033[?1003h");
1.115 nicm 776: }
777: if (changed & MODE_BRACKETPASTE) {
778: if (mode & MODE_BRACKETPASTE)
1.366 nicm 779: tty_putcode(tty, TTYC_ENBP);
1.115 nicm 780: else
1.366 nicm 781: tty_putcode(tty, TTYC_DSBP);
1.1 nicm 782: }
783: tty->mode = mode;
784: }
785:
1.207 nicm 786: static void
1.168 nicm 787: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
788: enum tty_code_code code1, u_int n)
1.1 nicm 789: {
790: if (tty_term_has(tty->term, code))
791: tty_putcode1(tty, code, n);
792: else {
793: while (n-- > 0)
794: tty_putcode(tty, code1);
795: }
796: }
797:
1.207 nicm 798: static void
1.133 nicm 799: tty_repeat_space(struct tty *tty, u_int n)
800: {
1.257 nicm 801: static char s[500];
802:
803: if (*s != ' ')
804: memset(s, ' ', sizeof s);
805:
806: while (n > sizeof s) {
807: tty_putn(tty, s, sizeof s, sizeof s);
808: n -= sizeof s;
809: }
810: if (n != 0)
811: tty_putn(tty, s, n, n);
1.304 nicm 812: }
813:
1.309 nicm 814: /* Is this window bigger than the terminal? */
815: int
816: tty_window_bigger(struct tty *tty)
817: {
818: struct client *c = tty->client;
819: struct window *w = c->session->curw->window;
820:
821: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
822: }
823:
824: /* What offset should this window be drawn at? */
825: int
826: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
827: {
828: *ox = tty->oox;
829: *oy = tty->ooy;
830: *sx = tty->osx;
831: *sy = tty->osy;
832:
833: return (tty->oflag);
834: }
835:
836: /* What offset should this window be drawn at? */
837: static int
838: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
839: {
840: struct client *c = tty->client;
841: struct window *w = c->session->curw->window;
1.376 nicm 842: struct window_pane *wp = server_client_get_pane(c);
1.309 nicm 843: u_int cx, cy, lines;
844:
845: lines = status_line_size(c);
846:
847: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
848: *ox = 0;
849: *oy = 0;
850: *sx = w->sx;
851: *sy = w->sy;
852:
853: c->pan_window = NULL;
854: return (0);
855: }
856:
857: *sx = tty->sx;
858: *sy = tty->sy - lines;
859:
860: if (c->pan_window == w) {
861: if (*sx >= w->sx)
862: c->pan_ox = 0;
863: else if (c->pan_ox + *sx > w->sx)
864: c->pan_ox = w->sx - *sx;
865: *ox = c->pan_ox;
866: if (*sy >= w->sy)
867: c->pan_oy = 0;
868: else if (c->pan_oy + *sy > w->sy)
869: c->pan_oy = w->sy - *sy;
870: *oy = c->pan_oy;
871: return (1);
872: }
873:
874: if (~wp->screen->mode & MODE_CURSOR) {
875: *ox = 0;
876: *oy = 0;
877: } else {
878: cx = wp->xoff + wp->screen->cx;
879: cy = wp->yoff + wp->screen->cy;
880:
881: if (cx < *sx)
882: *ox = 0;
883: else if (cx > w->sx - *sx)
884: *ox = w->sx - *sx;
885: else
886: *ox = cx - *sx / 2;
887:
888: if (cy < *sy)
889: *oy = 0;
890: else if (cy > w->sy - *sy)
891: *oy = w->sy - *sy;
892: else
893: *oy = cy - *sy / 2;
894: }
895:
896: c->pan_window = NULL;
897: return (1);
898: }
899:
900: /* Update stored offsets for a window and redraw if necessary. */
901: void
902: tty_update_window_offset(struct window *w)
903: {
904: struct client *c;
905:
906: TAILQ_FOREACH(c, &clients, entry) {
907: if (c->session != NULL && c->session->curw->window == w)
908: tty_update_client_offset(c);
909: }
910: }
911:
912: /* Update stored offsets for a client and redraw if necessary. */
913: void
914: tty_update_client_offset(struct client *c)
1.304 nicm 915: {
1.309 nicm 916: u_int ox, oy, sx, sy;
1.314 nicm 917:
918: if (~c->flags & CLIENT_TERMINAL)
919: return;
1.304 nicm 920:
1.309 nicm 921: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
922: if (ox == c->tty.oox &&
923: oy == c->tty.ooy &&
924: sx == c->tty.osx &&
925: sy == c->tty.osy)
926: return;
927:
928: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
929: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
930: ox, oy, sx, sy);
931:
932: c->tty.oox = ox;
933: c->tty.ooy = oy;
934: c->tty.osx = sx;
935: c->tty.osy = sy;
936:
937: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 938: }
939:
1.1 nicm 940: /*
1.119 nicm 941: * Is the region large enough to be worth redrawing once later rather than
942: * probably several times now? Currently yes if it is more than 50% of the
943: * pane.
944: */
1.207 nicm 945: static int
1.194 nicm 946: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 947: {
1.372 nicm 948: return (ctx->orlower - ctx->orupper >= ctx->sy / 2);
1.119 nicm 949: }
950:
951: /*
1.176 nicm 952: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
953: * emulated.
954: */
1.207 nicm 955: static int
1.373 nicm 956: tty_fake_bce(const struct tty *tty, const struct grid_cell *gc, u_int bg)
1.176 nicm 957: {
1.210 nicm 958: if (tty_term_flag(tty->term, TTYC_BCE))
959: return (0);
1.373 nicm 960: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc->bg))
1.210 nicm 961: return (1);
962: return (0);
1.176 nicm 963: }
964:
965: /*
1.1 nicm 966: * Redraw scroll region using data from screen (already updated). Used when
967: * CSR not supported, or window is a pane that doesn't take up the full
968: * width of the terminal.
969: */
1.207 nicm 970: static void
1.24 nicm 971: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 972: {
1.358 nicm 973: struct client *c = tty->client;
1.204 nicm 974: u_int i;
1.1 nicm 975:
976: /*
1.373 nicm 977: * If region is large, schedule a redraw. In most cases this is likely
978: * to be followed by some more scrolling.
1.1 nicm 979: */
1.119 nicm 980: if (tty_large_region(tty, ctx)) {
1.373 nicm 981: log_debug("%s: %s large redraw", __func__, c->name);
982: ctx->redraw_cb(ctx);
1.1 nicm 983: return;
984: }
985:
1.393 nicm 986: for (i = ctx->orupper; i <= ctx->orlower; i++)
987: tty_draw_pane(tty, ctx, i);
1.1 nicm 988: }
989:
1.309 nicm 990: /* Is this position visible in the pane? */
991: static int
1.374 nicm 992: tty_is_visible(__unused struct tty *tty, const struct tty_ctx *ctx, u_int px,
993: u_int py, u_int nx, u_int ny)
1.309 nicm 994: {
1.374 nicm 995: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 996:
997: if (!ctx->bigger)
998: return (1);
999:
1.372 nicm 1000: if (xoff + nx <= ctx->wox || xoff >= ctx->wox + ctx->wsx ||
1.374 nicm 1001: yoff + ny <= ctx->woy || yoff >= ctx->woy + ctx->wsy)
1.309 nicm 1002: return (0);
1003: return (1);
1004: }
1005:
1006: /* Clamp line position to visible part of pane. */
1007: static int
1008: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1009: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
1010: {
1.373 nicm 1011: u_int xoff = ctx->rxoff + px;
1.309 nicm 1012:
1013: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
1014: return (0);
1.372 nicm 1015: *ry = ctx->yoff + py - ctx->woy;
1.309 nicm 1016:
1.372 nicm 1017: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1018: /* All visible. */
1019: *i = 0;
1.372 nicm 1020: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1021: *rx = nx;
1.372 nicm 1022: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1023: /* Both left and right not visible. */
1.372 nicm 1024: *i = ctx->wox;
1.309 nicm 1025: *x = 0;
1.372 nicm 1026: *rx = ctx->wsx;
1027: } else if (xoff < ctx->wox) {
1.309 nicm 1028: /* Left not visible. */
1.372 nicm 1029: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1030: *x = 0;
1031: *rx = nx - *i;
1032: } else {
1033: /* Right not visible. */
1034: *i = 0;
1.372 nicm 1035: *x = (ctx->xoff + px) - ctx->wox;
1036: *rx = ctx->wsx - *x;
1.309 nicm 1037: }
1038: if (*rx > nx)
1039: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1040:
1041: return (1);
1042: }
1043:
1044: /* Clear a line. */
1.271 nicm 1045: static void
1.373 nicm 1046: tty_clear_line(struct tty *tty, const struct grid_cell *defaults, u_int py,
1047: u_int px, u_int nx, u_int bg)
1.271 nicm 1048: {
1.309 nicm 1049: struct client *c = tty->client;
1.394 nicm 1050: u_int i;
1.309 nicm 1051:
1052: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1053:
1054: /* Nothing to clear. */
1055: if (nx == 0)
1056: return;
1057:
1058: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1059: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.271 nicm 1060: /* Off the end of the line, use EL if available. */
1061: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1062: tty_cursor(tty, px, py);
1063: tty_putcode(tty, TTYC_EL);
1064: return;
1065: }
1066:
1067: /* At the start of the line. Use EL1. */
1068: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1069: tty_cursor(tty, px + nx - 1, py);
1070: tty_putcode(tty, TTYC_EL1);
1071: return;
1072: }
1073:
1074: /* Section of line. Use ECH if possible. */
1075: if (tty_term_has(tty->term, TTYC_ECH)) {
1076: tty_cursor(tty, px, py);
1077: tty_putcode1(tty, TTYC_ECH, nx);
1078: return;
1079: }
1080: }
1081:
1.394 nicm 1082: /*
1083: * Couldn't use an escape sequence, use spaces. Clear only the visible
1084: * bit if there is an overlay.
1085: */
1086: for (i = 0; i < nx; i++) {
1087: if (!tty_check_overlay(tty, px + i, py))
1088: break;
1089: }
1.272 nicm 1090: tty_cursor(tty, px, py);
1.394 nicm 1091: tty_repeat_space(tty, i);
1092: for (; i < nx; i++) {
1093: if (tty_check_overlay(tty, px + i, py))
1094: break;
1095: }
1096: tty_cursor(tty, px + i, py);
1097: tty_repeat_space(tty, nx - i);
1.271 nicm 1098: }
1099:
1.309 nicm 1100: /* Clear a line, adjusting to visible part of pane. */
1101: static void
1102: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1103: u_int px, u_int nx, u_int bg)
1104: {
1105: struct client *c = tty->client;
1106: u_int i, x, rx, ry;
1107:
1108: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1109:
1110: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1.373 nicm 1111: tty_clear_line(tty, &ctx->defaults, ry, x, rx, bg);
1.309 nicm 1112: }
1113:
1114: /* Clamp area position to visible part of pane. */
1115: static int
1116: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1117: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1118: u_int *ry)
1119: {
1.373 nicm 1120: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1121:
1122: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1123: return (0);
1124:
1.372 nicm 1125: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1126: /* All visible. */
1127: *i = 0;
1.372 nicm 1128: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1129: *rx = nx;
1.372 nicm 1130: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1131: /* Both left and right not visible. */
1.372 nicm 1132: *i = ctx->wox;
1.309 nicm 1133: *x = 0;
1.372 nicm 1134: *rx = ctx->wsx;
1135: } else if (xoff < ctx->wox) {
1.309 nicm 1136: /* Left not visible. */
1.372 nicm 1137: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1138: *x = 0;
1139: *rx = nx - *i;
1140: } else {
1141: /* Right not visible. */
1142: *i = 0;
1.372 nicm 1143: *x = (ctx->xoff + px) - ctx->wox;
1144: *rx = ctx->wsx - *x;
1.309 nicm 1145: }
1146: if (*rx > nx)
1147: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1148:
1.372 nicm 1149: if (yoff >= ctx->woy && yoff + ny <= ctx->woy + ctx->wsy) {
1.309 nicm 1150: /* All visible. */
1151: *j = 0;
1.372 nicm 1152: *y = ctx->yoff + py - ctx->woy;
1.309 nicm 1153: *ry = ny;
1.372 nicm 1154: } else if (yoff < ctx->woy && yoff + ny > ctx->woy + ctx->wsy) {
1.327 nicm 1155: /* Both top and bottom not visible. */
1.372 nicm 1156: *j = ctx->woy;
1.309 nicm 1157: *y = 0;
1.372 nicm 1158: *ry = ctx->wsy;
1159: } else if (yoff < ctx->woy) {
1.327 nicm 1160: /* Top not visible. */
1.372 nicm 1161: *j = ctx->woy - (ctx->yoff + py);
1.309 nicm 1162: *y = 0;
1163: *ry = ny - *j;
1164: } else {
1.327 nicm 1165: /* Bottom not visible. */
1.309 nicm 1166: *j = 0;
1.372 nicm 1167: *y = (ctx->yoff + py) - ctx->woy;
1168: *ry = ctx->wsy - *y;
1.309 nicm 1169: }
1170: if (*ry > ny)
1171: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1172:
1173: return (1);
1174: }
1175:
1176: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1177: static void
1.373 nicm 1178: tty_clear_area(struct tty *tty, const struct grid_cell *defaults, u_int py,
1179: u_int ny, u_int px, u_int nx, u_int bg)
1.271 nicm 1180: {
1.309 nicm 1181: struct client *c = tty->client;
1182: u_int yy;
1183: char tmp[64];
1.271 nicm 1184:
1.309 nicm 1185: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1186:
1187: /* Nothing to clear. */
1188: if (nx == 0 || ny == 0)
1189: return;
1190:
1191: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1192: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.276 nicm 1193: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1194: if (px == 0 &&
1195: px + nx >= tty->sx &&
1196: py + ny >= tty->sy &&
1197: tty_term_has(tty->term, TTYC_ED)) {
1198: tty_cursor(tty, 0, py);
1199: tty_putcode(tty, TTYC_ED);
1.274 nicm 1200: return;
1201: }
1202:
1203: /*
1.276 nicm 1204: * On VT420 compatible terminals we can use DECFRA if the
1205: * background colour isn't default (because it doesn't work
1206: * after SGR 0).
1.274 nicm 1207: */
1.359 nicm 1208: if ((tty->term->flags & TERM_DECFRA) && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1209: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1210: py + 1, px + 1, py + ny, px + nx);
1211: tty_puts(tty, tmp);
1.276 nicm 1212: return;
1213: }
1214:
1.280 nicm 1215: /* Full lines can be scrolled away to clear them. */
1216: if (px == 0 &&
1.281 nicm 1217: px + nx >= tty->sx &&
1.280 nicm 1218: ny > 2 &&
1219: tty_term_has(tty->term, TTYC_CSR) &&
1220: tty_term_has(tty->term, TTYC_INDN)) {
1221: tty_region(tty, py, py + ny - 1);
1222: tty_margin_off(tty);
1.284 nicm 1223: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1224: return;
1225: }
1226:
1.276 nicm 1227: /*
1228: * If margins are supported, can just scroll the area off to
1229: * clear it.
1230: */
1.277 nicm 1231: if (nx > 2 &&
1232: ny > 2 &&
1.280 nicm 1233: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1234: tty_use_margin(tty) &&
1235: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1236: tty_region(tty, py, py + ny - 1);
1237: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1238: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1239: return;
1240: }
1241: }
1242:
1243: /* Couldn't use an escape sequence, loop over the lines. */
1244: for (yy = py; yy < py + ny; yy++)
1.373 nicm 1245: tty_clear_line(tty, defaults, yy, px, nx, bg);
1.271 nicm 1246: }
1247:
1.309 nicm 1248: /* Clear an area in a pane. */
1249: static void
1250: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1251: u_int ny, u_int px, u_int nx, u_int bg)
1252: {
1253: u_int i, j, x, y, rx, ry;
1254:
1255: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1.373 nicm 1256: tty_clear_area(tty, &ctx->defaults, y, ry, x, rx, bg);
1.309 nicm 1257: }
1258:
1259: static void
1260: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1261: {
1.373 nicm 1262: struct screen *s = ctx->s;
1263: u_int nx = ctx->sx, i, x, rx, ry;
1.309 nicm 1264:
1265: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1266:
1267: if (!ctx->bigger) {
1.373 nicm 1268: tty_draw_line(tty, s, 0, py, nx, ctx->xoff, ctx->yoff + py,
1269: &ctx->defaults, ctx->palette);
1.309 nicm 1270: return;
1271: }
1.373 nicm 1272: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry)) {
1273: tty_draw_line(tty, s, i, py, rx, x, ry, &ctx->defaults,
1274: ctx->palette);
1275: }
1.176 nicm 1276: }
1277:
1.298 nicm 1278: static const struct grid_cell *
1279: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1280: {
1281: static struct grid_cell new;
1.377 nicm 1282: int c;
1.298 nicm 1283:
1284: /* Characters less than 0x7f are always fine, no matter what. */
1285: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1286: return (gc);
1287:
1288: /* UTF-8 terminal and a UTF-8 character - fine. */
1.359 nicm 1289: if (tty->client->flags & CLIENT_UTF8)
1.298 nicm 1290: return (gc);
1.377 nicm 1291: memcpy(&new, gc, sizeof new);
1292:
1293: /* See if this can be mapped to an ACS character. */
1294: c = tty_acs_reverse_get(tty, gc->data.data, gc->data.size);
1295: if (c != -1) {
1296: utf8_set(&new.data, c);
1297: new.attr |= GRID_ATTR_CHARSET;
1298: return (&new);
1299: }
1.298 nicm 1300:
1301: /* Replace by the right number of underscores. */
1.377 nicm 1302: new.data.size = gc->data.width;
1303: if (new.data.size > UTF8_SIZE)
1304: new.data.size = UTF8_SIZE;
1305: memset(new.data.data, '_', new.data.size);
1.298 nicm 1306: return (&new);
1307: }
1308:
1.346 nicm 1309: static int
1310: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1311: {
1312: struct client *c = tty->client;
1313:
1314: if (c->overlay_check == NULL)
1315: return (1);
1.401 nicm 1316: return (c->overlay_check(c, c->overlay_data, px, py));
1.346 nicm 1317: }
1318:
1.176 nicm 1319: void
1.373 nicm 1320: tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
1.399 nicm 1321: u_int atx, u_int aty, const struct grid_cell *defaults,
1322: struct colour_palette *palette)
1.1 nicm 1323: {
1.297 nicm 1324: struct grid *gd = s->grid;
1.250 nicm 1325: struct grid_cell gc, last;
1.298 nicm 1326: const struct grid_cell *gcp;
1.309 nicm 1327: struct grid_line *gl;
1.394 nicm 1328: struct client *c = tty->client;
1.396 nicm 1329: u_int i, j, ux, sx, width, hidden;
1330: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1331: char buf[512];
1.315 nicm 1332: size_t len;
1.303 nicm 1333: u_int cellsize;
1.1 nicm 1334:
1.309 nicm 1335: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1336: px, py, nx, atx, aty);
1.399 nicm 1337: log_debug("%s: defaults: fg=%d, bg=%d", __func__, defaults->fg,
1338: defaults->bg);
1.309 nicm 1339:
1340: /*
1341: * py is the line in the screen to draw.
1342: * px is the start x and nx is the width to draw.
1343: * atx,aty is the line on the terminal to draw it.
1344: */
1345:
1.259 nicm 1346: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1347: tty->flags |= TTY_NOCURSOR;
1348: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1349:
1.214 nicm 1350: tty_region_off(tty);
1351: tty_margin_off(tty);
1352:
1.273 nicm 1353: /*
1354: * Clamp the width to cellsize - note this is not cellused, because
1355: * there may be empty background cells after it (from BCE).
1356: */
1.1 nicm 1357: sx = screen_size_x(s);
1.309 nicm 1358: if (nx > sx)
1359: nx = sx;
1.303 nicm 1360: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1361: if (sx > cellsize)
1362: sx = cellsize;
1.1 nicm 1363: if (sx > tty->sx)
1364: sx = tty->sx;
1.309 nicm 1365: if (sx > nx)
1366: sx = nx;
1.292 nicm 1367: ux = 0;
1.1 nicm 1368:
1.309 nicm 1369: if (py == 0)
1370: gl = NULL;
1371: else
1372: gl = grid_get_line(gd, gd->hsize + py - 1);
1.373 nicm 1373: if (gl == NULL ||
1.309 nicm 1374: (~gl->flags & GRID_LINE_WRAPPED) ||
1375: atx != 0 ||
1.268 nicm 1376: tty->cx < tty->sx ||
1.309 nicm 1377: nx < tty->sx) {
1378: if (nx < tty->sx &&
1379: atx == 0 &&
1380: px + sx != nx &&
1.268 nicm 1381: tty_term_has(tty->term, TTYC_EL1) &&
1.394 nicm 1382: !tty_fake_bce(tty, defaults, 8) &&
1383: c->overlay_check == NULL) {
1.373 nicm 1384: tty_default_attributes(tty, defaults, palette, 8);
1.309 nicm 1385: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1386: tty_putcode(tty, TTYC_EL1);
1387: cleared = 1;
1388: }
1.329 nicm 1389: } else {
1.309 nicm 1390: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1391: wrapped = 1;
1392: }
1.250 nicm 1393:
1394: memcpy(&last, &grid_default_cell, sizeof last);
1395: len = 0;
1396: width = 0;
1.46 nicm 1397:
1.1 nicm 1398: for (i = 0; i < sx; i++) {
1.309 nicm 1399: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1400: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1401: if (len != 0 &&
1.346 nicm 1402: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1403: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1404: gcp->flags != last.flags ||
1405: gcp->attr != last.attr ||
1406: gcp->fg != last.fg ||
1407: gcp->bg != last.bg ||
1.328 nicm 1408: gcp->us != last.us ||
1.315 nicm 1409: ux + width + gcp->data.width > nx ||
1.298 nicm 1410: (sizeof buf) - len < gcp->data.size)) {
1.373 nicm 1411: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1412: if (last.flags & GRID_FLAG_CLEARED) {
1413: log_debug("%s: %zu cleared", __func__, len);
1.373 nicm 1414: tty_clear_line(tty, defaults, aty, atx + ux,
1415: width, last.bg);
1.315 nicm 1416: } else {
1.329 nicm 1417: if (!wrapped || atx != 0 || ux != 0)
1418: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1419: tty_putn(tty, buf, len, width);
1420: }
1.292 nicm 1421: ux += width;
1.250 nicm 1422:
1423: len = 0;
1424: width = 0;
1.329 nicm 1425: wrapped = 0;
1.250 nicm 1426: }
1427:
1.298 nicm 1428: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1429: screen_select_cell(s, &last, gcp);
1.250 nicm 1430: else
1.299 nicm 1431: memcpy(&last, gcp, sizeof last);
1.395 nicm 1432:
1433: hidden = 0;
1434: for (j = 0; j < gcp->data.width; j++) {
1.396 nicm 1435: if (!tty_check_overlay(tty, atx + ux + j, aty))
1436: hidden++;
1.395 nicm 1437: }
1.396 nicm 1438: if (hidden != 0 && hidden == gcp->data.width) {
1439: if (~gcp->flags & GRID_FLAG_PADDING)
1440: ux += gcp->data.width;
1441: } else if (hidden != 0 || ux + gcp->data.width > nx) {
1.395 nicm 1442: if (~gcp->flags & GRID_FLAG_PADDING) {
1443: tty_attributes(tty, &last, defaults, palette);
1444: tty_cursor(tty, atx + ux, aty);
1445: for (j = 0; j < gcp->data.width; j++) {
1.397 nicm 1446: if (ux > nx)
1.395 nicm 1447: break;
1.397 nicm 1448: if (tty_check_overlay(tty, atx + ux,
1449: aty))
1450: tty_putc(tty, ' ');
1451: else {
1452: tty_cursor(tty, atx + ux + 1,
1453: aty);
1454: }
1.395 nicm 1455: ux++;
1456: }
1.297 nicm 1457: }
1.299 nicm 1458: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1.373 nicm 1459: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1460: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1461: for (j = 0; j < gcp->data.size; j++)
1462: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1463: ux += gcp->data.width;
1.381 nicm 1464: } else if (~gcp->flags & GRID_FLAG_PADDING) {
1.298 nicm 1465: memcpy(buf + len, gcp->data.data, gcp->data.size);
1466: len += gcp->data.size;
1467: width += gcp->data.width;
1.250 nicm 1468: }
1469: }
1.315 nicm 1470: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.373 nicm 1471: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1472: if (last.flags & GRID_FLAG_CLEARED) {
1473: log_debug("%s: %zu cleared (end)", __func__, len);
1.373 nicm 1474: tty_clear_line(tty, defaults, aty, atx + ux, width,
1475: last.bg);
1.315 nicm 1476: } else {
1.329 nicm 1477: if (!wrapped || atx != 0 || ux != 0)
1478: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1479: tty_putn(tty, buf, len, width);
1480: }
1.315 nicm 1481: ux += width;
1.1 nicm 1482: }
1483:
1.309 nicm 1484: if (!cleared && ux < nx) {
1.315 nicm 1485: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1486: nx - ux, len);
1.373 nicm 1487: tty_default_attributes(tty, defaults, palette, 8);
1488: tty_clear_line(tty, defaults, aty, atx + ux, nx - ux, 8);
1.35 nicm 1489: }
1.1 nicm 1490:
1.181 nicm 1491: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1492: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1493: }
1494:
1.348 nicm 1495: void
1496: tty_sync_start(struct tty *tty)
1497: {
1.361 nicm 1498: if (tty->flags & TTY_BLOCK)
1499: return;
1500: if (tty->flags & TTY_SYNCING)
1501: return;
1502: tty->flags |= TTY_SYNCING;
1503:
1504: if (tty_term_has(tty->term, TTYC_SYNC)) {
1505: log_debug("%s sync start", tty->client->name);
1.360 nicm 1506: tty_putcode1(tty, TTYC_SYNC, 1);
1.357 nicm 1507: }
1.348 nicm 1508: }
1509:
1510: void
1511: tty_sync_end(struct tty *tty)
1512: {
1.361 nicm 1513: if (tty->flags & TTY_BLOCK)
1514: return;
1515: if (~tty->flags & TTY_SYNCING)
1516: return;
1517: tty->flags &= ~TTY_SYNCING;
1518:
1519: if (tty_term_has(tty->term, TTYC_SYNC)) {
1520: log_debug("%s sync end", tty->client->name);
1.360 nicm 1521: tty_putcode1(tty, TTYC_SYNC, 2);
1.357 nicm 1522: }
1.348 nicm 1523: }
1524:
1.201 nicm 1525: static int
1.373 nicm 1526: tty_client_ready(struct client *c)
1.182 nicm 1527: {
1528: if (c->session == NULL || c->tty.term == NULL)
1529: return (0);
1.305 nicm 1530: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1531: return (0);
1532: if (c->tty.flags & TTY_FREEZE)
1533: return (0);
1534: return (1);
1535: }
1536:
1.15 nicm 1537: void
1.182 nicm 1538: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1539: struct tty_ctx *ctx)
1.15 nicm 1540: {
1.373 nicm 1541: struct client *c;
1542: int state;
1.15 nicm 1543:
1.373 nicm 1544: if (ctx->set_client_cb == NULL)
1.15 nicm 1545: return;
1.178 nicm 1546: TAILQ_FOREACH(c, &clients, entry) {
1.373 nicm 1547: if (!tty_client_ready(c))
1.15 nicm 1548: continue;
1.373 nicm 1549: state = ctx->set_client_cb(ctx, c);
1550: if (state == -1)
1.358 nicm 1551: break;
1.373 nicm 1552: if (state == 0)
1553: continue;
1.139 nicm 1554: cmdfn(&c->tty, ctx);
1.1 nicm 1555: }
1556: }
1557:
1558: void
1.24 nicm 1559: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1560: {
1.394 nicm 1561: struct client *c = tty->client;
1562:
1.309 nicm 1563: if (ctx->bigger ||
1.372 nicm 1564: !tty_full_width(tty, ctx) ||
1.373 nicm 1565: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.210 nicm 1566: (!tty_term_has(tty->term, TTYC_ICH) &&
1.394 nicm 1567: !tty_term_has(tty->term, TTYC_ICH1)) ||
1568: c->overlay_check != NULL) {
1.309 nicm 1569: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1570: return;
1571: }
1572:
1.373 nicm 1573: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1574:
1.77 nicm 1575: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1576:
1.206 nicm 1577: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1578: }
1579:
1580: void
1.24 nicm 1581: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1582: {
1.394 nicm 1583: struct client *c = tty->client;
1584:
1.309 nicm 1585: if (ctx->bigger ||
1.372 nicm 1586: !tty_full_width(tty, ctx) ||
1.373 nicm 1587: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.26 nicm 1588: (!tty_term_has(tty->term, TTYC_DCH) &&
1.394 nicm 1589: !tty_term_has(tty->term, TTYC_DCH1)) ||
1590: c->overlay_check != NULL) {
1.309 nicm 1591: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1592: return;
1593: }
1594:
1.373 nicm 1595: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1596:
1.77 nicm 1597: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1598:
1.206 nicm 1599: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1600: }
1601:
1602: void
1603: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1604: {
1.373 nicm 1605: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.146 nicm 1606:
1.388 nicm 1607: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, ctx->num, ctx->bg);
1.1 nicm 1608: }
1609:
1610: void
1.24 nicm 1611: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1612: {
1.394 nicm 1613: struct client *c = tty->client;
1614:
1.309 nicm 1615: if (ctx->bigger ||
1.372 nicm 1616: !tty_full_width(tty, ctx) ||
1.373 nicm 1617: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.77 nicm 1618: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1619: !tty_term_has(tty->term, TTYC_IL1) ||
1.373 nicm 1620: ctx->sx == 1 ||
1.394 nicm 1621: ctx->sy == 1 ||
1622: c->overlay_check != NULL) {
1.14 nicm 1623: tty_redraw_region(tty, ctx);
1.1 nicm 1624: return;
1625: }
1626:
1.373 nicm 1627: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1628:
1.77 nicm 1629: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1630: tty_margin_off(tty);
1.77 nicm 1631: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1632:
1.12 nicm 1633: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1634: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1635: }
1636:
1637: void
1.24 nicm 1638: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1639: {
1.394 nicm 1640: struct client *c = tty->client;
1641:
1.309 nicm 1642: if (ctx->bigger ||
1.372 nicm 1643: !tty_full_width(tty, ctx) ||
1.373 nicm 1644: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.72 nicm 1645: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1646: !tty_term_has(tty->term, TTYC_DL1) ||
1.373 nicm 1647: ctx->sx == 1 ||
1.394 nicm 1648: ctx->sy == 1 ||
1649: c->overlay_check != NULL) {
1.14 nicm 1650: tty_redraw_region(tty, ctx);
1.1 nicm 1651: return;
1652: }
1653:
1.373 nicm 1654: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1655:
1.77 nicm 1656: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1657: tty_margin_off(tty);
1.77 nicm 1658: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1659:
1.12 nicm 1660: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1661: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1662: }
1663:
1664: void
1.24 nicm 1665: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1666: {
1.373 nicm 1667: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1668:
1.372 nicm 1669: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->sx, ctx->bg);
1.1 nicm 1670: }
1671:
1672: void
1.24 nicm 1673: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1674: {
1.373 nicm 1675: u_int nx = ctx->sx - ctx->ocx;
1.1 nicm 1676:
1.373 nicm 1677: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1678:
1.309 nicm 1679: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1680: }
1681:
1682: void
1.24 nicm 1683: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1684: {
1.373 nicm 1685: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1686:
1.309 nicm 1687: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1688: }
1689:
1690: void
1.24 nicm 1691: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1692: {
1.394 nicm 1693: struct client *c = tty->client;
1694:
1.56 nicm 1695: if (ctx->ocy != ctx->orupper)
1696: return;
1697:
1.309 nicm 1698: if (ctx->bigger ||
1.372 nicm 1699: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1700: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.70 nicm 1701: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1702: (!tty_term_has(tty->term, TTYC_RI) &&
1703: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1704: ctx->sx == 1 ||
1.394 nicm 1705: ctx->sy == 1 ||
1706: c->overlay_check != NULL) {
1.14 nicm 1707: tty_redraw_region(tty, ctx);
1.1 nicm 1708: return;
1709: }
1710:
1.373 nicm 1711: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1712:
1.56 nicm 1713: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1714: tty_margin_pane(tty, ctx);
1.56 nicm 1715: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1716:
1.331 nicm 1717: if (tty_term_has(tty->term, TTYC_RI))
1718: tty_putcode(tty, TTYC_RI);
1719: else
1720: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1721: }
1722:
1723: void
1.24 nicm 1724: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1725: {
1.394 nicm 1726: struct client *c = tty->client;
1727:
1.56 nicm 1728: if (ctx->ocy != ctx->orlower)
1729: return;
1730:
1.309 nicm 1731: if (ctx->bigger ||
1.372 nicm 1732: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1733: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1734: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1735: ctx->sx == 1 ||
1.394 nicm 1736: ctx->sy == 1 ||
1737: c->overlay_check != NULL) {
1.236 nicm 1738: tty_redraw_region(tty, ctx);
1.1 nicm 1739: return;
1740: }
1.52 nicm 1741:
1.373 nicm 1742: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1743:
1.56 nicm 1744: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1745: tty_margin_pane(tty, ctx);
1746:
1747: /*
1.301 nicm 1748: * If we want to wrap a pane while using margins, the cursor needs to
1749: * be exactly on the right of the region. If the cursor is entirely off
1750: * the edge - move it back to the right. Some terminals are funny about
1751: * this and insert extra spaces, so only use the right if margins are
1752: * enabled.
1.212 nicm 1753: */
1.301 nicm 1754: if (ctx->xoff + ctx->ocx > tty->rright) {
1755: if (!tty_use_margin(tty))
1756: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1757: else
1758: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1759: } else
1.212 nicm 1760: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1761:
1.56 nicm 1762: tty_putc(tty, '\n');
1.240 nicm 1763: }
1764:
1765: void
1766: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1767: {
1.394 nicm 1768: struct client *c = tty->client;
1769: u_int i;
1.240 nicm 1770:
1.309 nicm 1771: if (ctx->bigger ||
1.372 nicm 1772: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1773: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1774: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1775: ctx->sx == 1 ||
1.394 nicm 1776: ctx->sy == 1 ||
1777: c->overlay_check != NULL) {
1.240 nicm 1778: tty_redraw_region(tty, ctx);
1779: return;
1780: }
1781:
1.373 nicm 1782: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.240 nicm 1783:
1784: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1785: tty_margin_pane(tty, ctx);
1786:
1.284 nicm 1787: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1788: if (!tty_use_margin(tty))
1789: tty_cursor(tty, 0, tty->rlower);
1790: else
1791: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1792: for (i = 0; i < ctx->num; i++)
1.240 nicm 1793: tty_putc(tty, '\n');
1.301 nicm 1794: } else {
1.353 nicm 1795: if (tty->cy == UINT_MAX)
1796: tty_cursor(tty, 0, 0);
1797: else
1798: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1799: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1800: }
1801: }
1802:
1803: void
1804: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1805: {
1.394 nicm 1806: u_int i;
1807: struct client *c = tty->client;
1.331 nicm 1808:
1809: if (ctx->bigger ||
1.372 nicm 1810: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1811: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.331 nicm 1812: !tty_term_has(tty->term, TTYC_CSR) ||
1813: (!tty_term_has(tty->term, TTYC_RI) &&
1814: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1815: ctx->sx == 1 ||
1.394 nicm 1816: ctx->sy == 1 ||
1817: c->overlay_check != NULL) {
1.331 nicm 1818: tty_redraw_region(tty, ctx);
1819: return;
1820: }
1821:
1.373 nicm 1822: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.331 nicm 1823:
1824: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1825: tty_margin_pane(tty, ctx);
1826: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1827:
1828: if (tty_term_has(tty->term, TTYC_RIN))
1829: tty_putcode1(tty, TTYC_RIN, ctx->num);
1830: else {
1831: for (i = 0; i < ctx->num; i++)
1832: tty_putcode(tty, TTYC_RI);
1.301 nicm 1833: }
1.1 nicm 1834: }
1835:
1836: void
1.24 nicm 1837: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1838: {
1.373 nicm 1839: u_int px, py, nx, ny;
1.1 nicm 1840:
1.373 nicm 1841: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1842:
1.372 nicm 1843: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1844: tty_margin_off(tty);
1.39 nicm 1845:
1.309 nicm 1846: px = 0;
1.372 nicm 1847: nx = ctx->sx;
1.309 nicm 1848: py = ctx->ocy + 1;
1.372 nicm 1849: ny = ctx->sy - ctx->ocy - 1;
1.271 nicm 1850:
1.309 nicm 1851: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1852:
1.309 nicm 1853: px = ctx->ocx;
1.372 nicm 1854: nx = ctx->sx - ctx->ocx;
1.309 nicm 1855: py = ctx->ocy;
1.271 nicm 1856:
1.309 nicm 1857: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1858: }
1859:
1860: void
1.24 nicm 1861: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1862: {
1.373 nicm 1863: u_int px, py, nx, ny;
1.1 nicm 1864:
1.373 nicm 1865: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1866:
1.372 nicm 1867: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1868: tty_margin_off(tty);
1.39 nicm 1869:
1.309 nicm 1870: px = 0;
1.372 nicm 1871: nx = ctx->sx;
1.309 nicm 1872: py = 0;
1.319 nicm 1873: ny = ctx->ocy;
1.271 nicm 1874:
1.309 nicm 1875: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1876:
1.309 nicm 1877: px = 0;
1.271 nicm 1878: nx = ctx->ocx + 1;
1.309 nicm 1879: py = ctx->ocy;
1.271 nicm 1880:
1.309 nicm 1881: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1882: }
1883:
1884: void
1.24 nicm 1885: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1886: {
1.373 nicm 1887: u_int px, py, nx, ny;
1.1 nicm 1888:
1.373 nicm 1889: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1890:
1.372 nicm 1891: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1892: tty_margin_off(tty);
1.39 nicm 1893:
1.309 nicm 1894: px = 0;
1.372 nicm 1895: nx = ctx->sx;
1.309 nicm 1896: py = 0;
1.372 nicm 1897: ny = ctx->sy;
1.271 nicm 1898:
1.309 nicm 1899: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1900: }
1901:
1902: void
1.24 nicm 1903: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1904: {
1.373 nicm 1905: u_int i, j;
1.4 nicm 1906:
1.309 nicm 1907: if (ctx->bigger) {
1.373 nicm 1908: ctx->redraw_cb(ctx);
1.309 nicm 1909: return;
1910: }
1911:
1.373 nicm 1912: tty_attributes(tty, &grid_default_cell, &ctx->defaults, ctx->palette);
1.4 nicm 1913:
1.372 nicm 1914: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1915: tty_margin_off(tty);
1.4 nicm 1916:
1.372 nicm 1917: for (j = 0; j < ctx->sy; j++) {
1.41 nicm 1918: tty_cursor_pane(tty, ctx, 0, j);
1.372 nicm 1919: for (i = 0; i < ctx->sx; i++)
1.4 nicm 1920: tty_putc(tty, 'E');
1.1 nicm 1921: }
1922: }
1923:
1924: void
1.24 nicm 1925: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1926: {
1.394 nicm 1927: const struct grid_cell *gcp = ctx->cell;
1928: struct screen *s = ctx->s;
1929: u_int i, px, py;
1930:
1931: px = ctx->xoff + ctx->ocx - ctx->wox;
1932: py = ctx->yoff + ctx->ocy - ctx->woy;
1933: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1) ||
1934: (gcp->data.width == 1 && !tty_check_overlay(tty, px, py)))
1935: return;
1936:
1937: /* Handle partially obstructed wide characters. */
1938: if (gcp->data.width > 1) {
1939: for (i = 0; i < gcp->data.width; i++) {
1940: if (!tty_check_overlay(tty, px + i, py)) {
1941: tty_draw_line(tty, s, s->cx, s->cy,
1942: gcp->data.width, px, py, &ctx->defaults,
1943: ctx->palette);
1944: return;
1945: }
1946: }
1947: }
1.309 nicm 1948:
1.372 nicm 1949: if (ctx->xoff + ctx->ocx - ctx->wox > tty->sx - 1 &&
1.306 nicm 1950: ctx->ocy == ctx->orlower &&
1.372 nicm 1951: tty_full_width(tty, ctx))
1.306 nicm 1952: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1953:
1.306 nicm 1954: tty_margin_off(tty);
1.253 nicm 1955: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1956:
1.373 nicm 1957: tty_cell(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 1958: }
1959:
1960: void
1961: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1962: {
1.394 nicm 1963: u_int i, hide = 0;
1964:
1.309 nicm 1965: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1966: return;
1967:
1968: if (ctx->bigger &&
1.372 nicm 1969: (ctx->xoff + ctx->ocx < ctx->wox ||
1970: ctx->xoff + ctx->ocx + ctx->num > ctx->wox + ctx->wsx)) {
1.309 nicm 1971: if (!ctx->wrapped ||
1.372 nicm 1972: !tty_full_width(tty, ctx) ||
1.382 nicm 1973: (tty->term->flags & TERM_NOAM) ||
1.309 nicm 1974: ctx->xoff + ctx->ocx != 0 ||
1975: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1976: tty->cx < tty->sx ||
1977: tty->cy == tty->rlower)
1978: tty_draw_pane(tty, ctx, ctx->ocy);
1979: else
1.373 nicm 1980: ctx->redraw_cb(ctx);
1.309 nicm 1981: return;
1982: }
1983:
1.306 nicm 1984: tty_margin_off(tty);
1.253 nicm 1985: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1986:
1.373 nicm 1987: tty_attributes(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.394 nicm 1988: for (i = 0; i < ctx->num; i++) {
1989: if (!tty_check_overlay(tty, tty->cx + i, tty->cy))
1990: break;
1991: }
1992: tty_putn(tty, ctx->ptr, i, i);
1993: for (; i < ctx->num; i++) {
1994: if (tty_check_overlay(tty, tty->cx + hide, tty->cy))
1995: break;
1996: hide++;
1997: }
1998: tty_cursor(tty, tty->cx + hide, tty->cy);
1999: tty_putn(tty, (char *)ctx->ptr + i, ctx->num - i, ctx->num - i);
1.106 nicm 2000: }
2001:
2002: void
2003: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
2004: {
1.383 nicm 2005: tty_set_selection(tty, ctx->ptr, ctx->num);
2006: }
2007:
2008: void
2009: tty_set_selection(struct tty *tty, const char *buf, size_t len)
2010: {
2011: char *encoded;
2012: size_t size;
1.106 nicm 2013:
1.384 nicm 2014: if (~tty->flags & TTY_STARTED)
2015: return;
1.106 nicm 2016: if (!tty_term_has(tty->term, TTYC_MS))
1.383 nicm 2017: return;
1.106 nicm 2018:
1.383 nicm 2019: size = 4 * ((len + 2) / 3) + 1; /* storage for base64 */
2020: encoded = xmalloc(size);
1.106 nicm 2021:
1.383 nicm 2022: b64_ntop(buf, len, encoded, size);
2023: tty_putcode_ptr2(tty, TTYC_MS, "", encoded);
1.398 nicm 2024: tty->client->redraw = EVBUFFER_LENGTH(tty->out);
1.106 nicm 2025:
1.383 nicm 2026: free(encoded);
1.100 nicm 2027: }
2028:
2029: void
2030: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
2031: {
1.256 nicm 2032: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 2033: tty_invalidate(tty);
1.348 nicm 2034: }
2035:
2036: void
1.402 nicm 2037: tty_cmd_syncstart(struct tty *tty, const struct tty_ctx *ctx)
1.348 nicm 2038: {
1.402 nicm 2039: if (ctx->num == 0x11) {
2040: /*
1.403 nicm 2041: * This is an overlay and a command that moves the cursor so
1.402 nicm 2042: * start synchronized updates.
2043: */
2044: tty_sync_start(tty);
2045: } else if (~ctx->num & 0x10) {
2046: /*
2047: * This is a pane. If there is an overlay, always start;
2048: * otherwise, only if requested.
2049: */
2050: if (ctx->num || tty->client->overlay_draw != NULL)
2051: tty_sync_start(tty);
2052: }
1.1 nicm 2053: }
2054:
1.377 nicm 2055: void
1.373 nicm 2056: tty_cell(struct tty *tty, const struct grid_cell *gc,
1.399 nicm 2057: const struct grid_cell *defaults, struct colour_palette *palette)
1.1 nicm 2058: {
1.298 nicm 2059: const struct grid_cell *gcp;
1.1 nicm 2060:
2061: /* Skip last character if terminal is stupid. */
1.382 nicm 2062: if ((tty->term->flags & TERM_NOAM) &&
1.211 nicm 2063: tty->cy == tty->sy - 1 &&
2064: tty->cx == tty->sx - 1)
1.1 nicm 2065: return;
2066:
2067: /* If this is a padding character, do nothing. */
2068: if (gc->flags & GRID_FLAG_PADDING)
2069: return;
2070:
1.377 nicm 2071: /* Check the output codeset and apply attributes. */
2072: gcp = tty_check_codeset(tty, gc);
2073: tty_attributes(tty, gcp, defaults, palette);
1.1 nicm 2074:
1.377 nicm 2075: /* If it is a single character, write with putc to handle ACS. */
1.298 nicm 2076: if (gcp->data.size == 1) {
1.377 nicm 2077: tty_attributes(tty, gcp, defaults, palette);
1.298 nicm 2078: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 2079: return;
1.298 nicm 2080: tty_putc(tty, *gcp->data.data);
1.1 nicm 2081: return;
2082: }
2083:
1.147 nicm 2084: /* Write the data. */
1.298 nicm 2085: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 2086: }
2087:
2088: void
2089: tty_reset(struct tty *tty)
2090: {
2091: struct grid_cell *gc = &tty->cell;
2092:
1.228 nicm 2093: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 2094: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 2095: tty_putcode(tty, TTYC_RMACS);
2096: tty_putcode(tty, TTYC_SGR0);
2097: memcpy(gc, &grid_default_cell, sizeof *gc);
2098: }
2099: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1.242 nicm 2100: }
2101:
2102: static void
2103: tty_invalidate(struct tty *tty)
2104: {
2105: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
2106: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
2107:
2108: tty->cx = tty->cy = UINT_MAX;
2109: tty->rupper = tty->rleft = UINT_MAX;
2110: tty->rlower = tty->rright = UINT_MAX;
2111:
2112: if (tty->flags & TTY_STARTED) {
1.330 nicm 2113: if (tty_use_margin(tty))
1.365 nicm 2114: tty_putcode(tty, TTYC_ENMG);
1.242 nicm 2115: tty_putcode(tty, TTYC_SGR0);
2116:
2117: tty->mode = ALL_MODES;
2118: tty_update_mode(tty, MODE_CURSOR, NULL);
2119:
2120: tty_cursor(tty, 0, 0);
2121: tty_region_off(tty);
2122: tty_margin_off(tty);
2123: } else
2124: tty->mode = MODE_CURSOR;
1.1 nicm 2125: }
2126:
1.214 nicm 2127: /* Turn off margin. */
2128: void
2129: tty_region_off(struct tty *tty)
2130: {
2131: tty_region(tty, 0, tty->sy - 1);
2132: }
2133:
1.40 nicm 2134: /* Set region inside pane. */
1.208 nicm 2135: static void
1.196 nicm 2136: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
2137: u_int rlower)
1.1 nicm 2138: {
1.372 nicm 2139: tty_region(tty, ctx->yoff + rupper - ctx->woy,
2140: ctx->yoff + rlower - ctx->woy);
1.39 nicm 2141: }
2142:
1.40 nicm 2143: /* Set region at absolute position. */
1.214 nicm 2144: static void
1.40 nicm 2145: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2146: {
2147: if (tty->rlower == rlower && tty->rupper == rupper)
2148: return;
1.1 nicm 2149: if (!tty_term_has(tty->term, TTYC_CSR))
2150: return;
1.39 nicm 2151:
2152: tty->rupper = rupper;
2153: tty->rlower = rlower;
1.55 nicm 2154:
2155: /*
2156: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2157: * 0,0 if it is beyond the last column (they do not reset their wrap
2158: * flag so further output causes a line feed). As a workaround, do an
2159: * explicit move to 0 first.
2160: */
1.353 nicm 2161: if (tty->cx >= tty->sx) {
2162: if (tty->cy == UINT_MAX)
2163: tty_cursor(tty, 0, 0);
2164: else
2165: tty_cursor(tty, 0, tty->cy);
2166: }
1.42 nicm 2167:
1.39 nicm 2168: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2169: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2170: }
2171:
1.214 nicm 2172: /* Turn off margin. */
2173: void
2174: tty_margin_off(struct tty *tty)
2175: {
2176: tty_margin(tty, 0, tty->sx - 1);
2177: }
2178:
1.212 nicm 2179: /* Set margin inside pane. */
2180: static void
2181: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2182: {
1.372 nicm 2183: tty_margin(tty, ctx->xoff - ctx->wox,
1.373 nicm 2184: ctx->xoff + ctx->sx - 1 - ctx->wox);
1.212 nicm 2185: }
2186:
2187: /* Set margin at absolute position. */
1.214 nicm 2188: static void
1.212 nicm 2189: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2190: {
2191: if (!tty_use_margin(tty))
2192: return;
2193: if (tty->rleft == rleft && tty->rright == rright)
2194: return;
2195:
1.232 nicm 2196: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2197:
1.212 nicm 2198: tty->rleft = rleft;
2199: tty->rright = rright;
2200:
1.232 nicm 2201: if (rleft == 0 && rright == tty->sx - 1)
1.365 nicm 2202: tty_putcode(tty, TTYC_CLMG);
1.232 nicm 2203: else
1.365 nicm 2204: tty_putcode2(tty, TTYC_CMG, rleft, rright);
1.249 nicm 2205: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2206: }
2207:
2208: /*
2209: * Move the cursor, unless it would wrap itself when the next character is
2210: * printed.
2211: */
2212: static void
2213: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2214: u_int cx, u_int cy)
2215: {
1.268 nicm 2216: if (!ctx->wrapped ||
1.372 nicm 2217: !tty_full_width(tty, ctx) ||
1.382 nicm 2218: (tty->term->flags & TERM_NOAM) ||
1.253 nicm 2219: ctx->xoff + cx != 0 ||
2220: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2221: tty->cx < tty->sx ||
2222: tty->cy == tty->rlower)
1.253 nicm 2223: tty_cursor_pane(tty, ctx, cx, cy);
2224: else
2225: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2226: }
2227:
1.42 nicm 2228: /* Move cursor inside pane. */
1.208 nicm 2229: static void
1.41 nicm 2230: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2231: {
1.372 nicm 2232: tty_cursor(tty, ctx->xoff + cx - ctx->wox, ctx->yoff + cy - ctx->woy);
1.41 nicm 2233: }
2234:
1.42 nicm 2235: /* Move cursor to absolute position. */
1.41 nicm 2236: void
2237: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2238: {
1.42 nicm 2239: struct tty_term *term = tty->term;
2240: u_int thisx, thisy;
2241: int change;
1.354 nicm 2242:
2243: if (tty->flags & TTY_BLOCK)
2244: return;
1.77 nicm 2245:
1.42 nicm 2246: if (cx > tty->sx - 1)
2247: cx = tty->sx - 1;
2248:
2249: thisx = tty->cx;
2250: thisy = tty->cy;
2251:
2252: /* No change. */
2253: if (cx == thisx && cy == thisy)
2254: return;
2255:
1.43 nicm 2256: /* Very end of the line, just use absolute movement. */
2257: if (thisx > tty->sx - 1)
2258: goto absolute;
2259:
1.42 nicm 2260: /* Move to home position (0, 0). */
2261: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2262: tty_putcode(tty, TTYC_HOME);
2263: goto out;
2264: }
2265:
2266: /* Zero on the next line. */
1.293 nicm 2267: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2268: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2269: tty_putc(tty, '\r');
1.42 nicm 2270: tty_putc(tty, '\n');
2271: goto out;
2272: }
2273:
1.45 nicm 2274: /* Moving column or row. */
1.42 nicm 2275: if (cy == thisy) {
1.45 nicm 2276: /*
2277: * Moving column only, row staying the same.
2278: */
2279:
1.42 nicm 2280: /* To left edge. */
1.294 nicm 2281: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2282: tty_putc(tty, '\r');
2283: goto out;
2284: }
2285:
2286: /* One to the left. */
2287: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2288: tty_putcode(tty, TTYC_CUB1);
2289: goto out;
2290: }
2291:
2292: /* One to the right. */
2293: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2294: tty_putcode(tty, TTYC_CUF1);
2295: goto out;
2296: }
2297:
2298: /* Calculate difference. */
2299: change = thisx - cx; /* +ve left, -ve right */
2300:
2301: /*
2302: * Use HPA if change is larger than absolute, otherwise move
2303: * the cursor with CUB/CUF.
2304: */
1.87 nicm 2305: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2306: tty_putcode1(tty, TTYC_HPA, cx);
2307: goto out;
1.333 nicm 2308: } else if (change > 0 &&
2309: tty_term_has(term, TTYC_CUB) &&
2310: !tty_use_margin(tty)) {
1.202 nicm 2311: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2312: tty_putcode(tty, TTYC_CUB1);
2313: tty_putcode(tty, TTYC_CUB1);
2314: goto out;
2315: }
1.42 nicm 2316: tty_putcode1(tty, TTYC_CUB, change);
2317: goto out;
1.333 nicm 2318: } else if (change < 0 &&
2319: tty_term_has(term, TTYC_CUF) &&
2320: !tty_use_margin(tty)) {
1.42 nicm 2321: tty_putcode1(tty, TTYC_CUF, -change);
2322: goto out;
2323: }
1.45 nicm 2324: } else if (cx == thisx) {
2325: /*
2326: * Moving row only, column staying the same.
2327: */
1.42 nicm 2328:
2329: /* One above. */
1.77 nicm 2330: if (thisy != tty->rupper &&
1.42 nicm 2331: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2332: tty_putcode(tty, TTYC_CUU1);
2333: goto out;
2334: }
2335:
2336: /* One below. */
1.49 nicm 2337: if (thisy != tty->rlower &&
1.42 nicm 2338: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2339: tty_putcode(tty, TTYC_CUD1);
2340: goto out;
2341: }
2342:
2343: /* Calculate difference. */
2344: change = thisy - cy; /* +ve up, -ve down */
2345:
2346: /*
1.77 nicm 2347: * Try to use VPA if change is larger than absolute or if this
2348: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2349: */
1.87 nicm 2350: if ((u_int) abs(change) > cy ||
1.42 nicm 2351: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2352: (change > 0 && cy - change < tty->rupper)) {
2353: if (tty_term_has(term, TTYC_VPA)) {
2354: tty_putcode1(tty, TTYC_VPA, cy);
2355: goto out;
2356: }
1.42 nicm 2357: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2358: tty_putcode1(tty, TTYC_CUU, change);
2359: goto out;
2360: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2361: tty_putcode1(tty, TTYC_CUD, -change);
2362: goto out;
2363: }
2364: }
2365:
1.43 nicm 2366: absolute:
1.42 nicm 2367: /* Absolute movement. */
2368: tty_putcode2(tty, TTYC_CUP, cy, cx);
2369:
2370: out:
2371: tty->cx = cx;
2372: tty->cy = cy;
1.1 nicm 2373: }
2374:
2375: void
1.176 nicm 2376: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.399 nicm 2377: const struct grid_cell *defaults, struct colour_palette *palette)
1.1 nicm 2378: {
1.63 nicm 2379: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2380: int changed;
1.61 nicm 2381:
1.373 nicm 2382: /* Copy cell and update default colours. */
2383: memcpy(&gc2, gc, sizeof gc2);
1.399 nicm 2384: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2385: if (gc2.fg == 8)
2386: gc2.fg = defaults->fg;
2387: if (gc2.bg == 8)
2388: gc2.bg = defaults->bg;
2389: }
1.373 nicm 2390:
1.228 nicm 2391: /* Ignore cell if it is the same as the last one. */
1.373 nicm 2392: if (gc2.attr == tty->last_cell.attr &&
2393: gc2.fg == tty->last_cell.fg &&
2394: gc2.bg == tty->last_cell.bg &&
2395: gc2.us == tty->last_cell.us)
1.228 nicm 2396: return;
1.63 nicm 2397:
1.18 nicm 2398: /*
2399: * If no setab, try to use the reverse attribute as a best-effort for a
2400: * non-default background. This is a bit of a hack but it doesn't do
2401: * any serious harm and makes a couple of applications happier.
2402: */
2403: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2404: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2405: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2406: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2407: } else {
1.310 nicm 2408: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2409: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2410: }
2411: }
1.1 nicm 2412:
1.85 nicm 2413: /* Fix up the colours if necessary. */
1.373 nicm 2414: tty_check_fg(tty, palette, &gc2);
2415: tty_check_bg(tty, palette, &gc2);
2416: tty_check_us(tty, palette, &gc2);
1.85 nicm 2417:
1.328 nicm 2418: /*
2419: * If any bits are being cleared or the underline colour is now default,
2420: * reset everything.
2421: */
2422: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2423: tty_reset(tty);
2424:
2425: /*
2426: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2427: * may add to (NOT remove) the desired attributes.
1.64 nicm 2428: */
1.85 nicm 2429: tty_colours(tty, &gc2);
1.64 nicm 2430:
1.1 nicm 2431: /* Filter out attribute bits already set. */
1.85 nicm 2432: changed = gc2.attr & ~tc->attr;
2433: tc->attr = gc2.attr;
1.1 nicm 2434:
2435: /* Set the attributes. */
2436: if (changed & GRID_ATTR_BRIGHT)
2437: tty_putcode(tty, TTYC_BOLD);
2438: if (changed & GRID_ATTR_DIM)
2439: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2440: if (changed & GRID_ATTR_ITALICS)
2441: tty_set_italics(tty);
1.308 nicm 2442: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2443: if ((changed & GRID_ATTR_UNDERSCORE) ||
2444: !tty_term_has(tty->term, TTYC_SMULX))
2445: tty_putcode(tty, TTYC_SMUL);
2446: else if (changed & GRID_ATTR_UNDERSCORE_2)
2447: tty_putcode1(tty, TTYC_SMULX, 2);
2448: else if (changed & GRID_ATTR_UNDERSCORE_3)
2449: tty_putcode1(tty, TTYC_SMULX, 3);
2450: else if (changed & GRID_ATTR_UNDERSCORE_4)
2451: tty_putcode1(tty, TTYC_SMULX, 4);
2452: else if (changed & GRID_ATTR_UNDERSCORE_5)
2453: tty_putcode1(tty, TTYC_SMULX, 5);
2454: }
1.1 nicm 2455: if (changed & GRID_ATTR_BLINK)
2456: tty_putcode(tty, TTYC_BLINK);
2457: if (changed & GRID_ATTR_REVERSE) {
2458: if (tty_term_has(tty->term, TTYC_REV))
2459: tty_putcode(tty, TTYC_REV);
2460: else if (tty_term_has(tty->term, TTYC_SMSO))
2461: tty_putcode(tty, TTYC_SMSO);
2462: }
2463: if (changed & GRID_ATTR_HIDDEN)
2464: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2465: if (changed & GRID_ATTR_STRIKETHROUGH)
2466: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2467: if (changed & GRID_ATTR_OVERLINE)
2468: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2469: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2470: tty_putcode(tty, TTYC_SMACS);
1.373 nicm 2471:
2472: memcpy(&tty->last_cell, &gc2, sizeof tty->last_cell);
1.1 nicm 2473: }
2474:
1.207 nicm 2475: static void
1.85 nicm 2476: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2477: {
1.61 nicm 2478: struct grid_cell *tc = &tty->cell;
1.204 nicm 2479: int have_ax;
1.61 nicm 2480:
2481: /* No changes? Nothing is necessary. */
1.328 nicm 2482: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2483: return;
1.1 nicm 2484:
1.61 nicm 2485: /*
2486: * Is either the default colour? This is handled specially because the
2487: * best solution might be to reset both colours to default, in which
2488: * case if only one is default need to fall onward to set the other
2489: * colour.
2490: */
1.310 nicm 2491: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2492: /*
2493: * If don't have AX but do have op, send sgr0 (op can't
2494: * actually be used because it is sometimes the same as sgr0
2495: * and sometimes isn't). This resets both colours to default.
2496: *
2497: * Otherwise, try to set the default colour only as needed.
2498: */
1.174 nicm 2499: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2500: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2501: tty_reset(tty);
2502: else {
1.310 nicm 2503: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2504: if (have_ax)
2505: tty_puts(tty, "\033[39m");
1.204 nicm 2506: else if (tc->fg != 7)
1.61 nicm 2507: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2508: tc->fg = gc->fg;
1.61 nicm 2509: }
1.310 nicm 2510: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2511: if (have_ax)
1.61 nicm 2512: tty_puts(tty, "\033[49m");
1.204 nicm 2513: else if (tc->bg != 0)
1.61 nicm 2514: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2515: tc->bg = gc->bg;
1.61 nicm 2516: }
2517: }
2518: }
1.1 nicm 2519:
1.61 nicm 2520: /* Set the foreground colour. */
1.310 nicm 2521: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2522: tty_colours_fg(tty, gc);
1.1 nicm 2523:
1.61 nicm 2524: /*
2525: * Set the background colour. This must come after the foreground as
2526: * tty_colour_fg() can call tty_reset().
2527: */
1.310 nicm 2528: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2529: tty_colours_bg(tty, gc);
1.328 nicm 2530:
1.399 nicm 2531: /* Set the underscore colour. */
1.328 nicm 2532: if (gc->us != tc->us)
2533: tty_colours_us(tty, gc);
1.1 nicm 2534: }
2535:
1.219 nicm 2536: static void
1.399 nicm 2537: tty_check_fg(struct tty *tty, struct colour_palette *palette,
2538: struct grid_cell *gc)
1.85 nicm 2539: {
1.204 nicm 2540: u_char r, g, b;
2541: u_int colours;
1.223 nicm 2542: int c;
1.85 nicm 2543:
1.288 nicm 2544: /*
2545: * Perform substitution if this pane has a palette. If the bright
2546: * attribute is set, use the bright entry in the palette by changing to
2547: * the aixterm colour.
2548: */
2549: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2550: c = gc->fg;
1.289 nicm 2551: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2552: c += 90;
1.399 nicm 2553: if ((c = colour_palette_get(palette, c)) != -1)
1.288 nicm 2554: gc->fg = c;
2555: }
1.219 nicm 2556:
1.199 nicm 2557: /* Is this a 24-bit colour? */
1.204 nicm 2558: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2559: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2560: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2561: return;
1.341 nicm 2562: colour_split_rgb(gc->fg, &r, &g, &b);
2563: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2564: }
1.224 nicm 2565:
2566: /* How many colours does this terminal have? */
1.359 nicm 2567: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2568: colours = 256;
2569: else
2570: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2571:
1.85 nicm 2572: /* Is this a 256-colour colour? */
1.204 nicm 2573: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2574: /* And not a 256 colour mode? */
1.387 nicm 2575: if (colours < 256) {
1.85 nicm 2576: gc->fg = colour_256to16(gc->fg);
2577: if (gc->fg & 8) {
2578: gc->fg &= 7;
1.175 nicm 2579: if (colours >= 16)
2580: gc->fg += 90;
1.332 nicm 2581: }
1.85 nicm 2582: }
2583: return;
2584: }
2585:
2586: /* Is this an aixterm colour? */
2587: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2588: gc->fg -= 90;
2589: gc->attr |= GRID_ATTR_BRIGHT;
2590: }
2591: }
2592:
1.219 nicm 2593: static void
1.399 nicm 2594: tty_check_bg(struct tty *tty, struct colour_palette *palette,
2595: struct grid_cell *gc)
1.85 nicm 2596: {
1.204 nicm 2597: u_char r, g, b;
2598: u_int colours;
1.223 nicm 2599: int c;
1.85 nicm 2600:
1.288 nicm 2601: /* Perform substitution if this pane has a palette. */
2602: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2603: if ((c = colour_palette_get(palette, gc->bg)) != -1)
1.288 nicm 2604: gc->bg = c;
2605: }
1.219 nicm 2606:
1.199 nicm 2607: /* Is this a 24-bit colour? */
1.204 nicm 2608: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2609: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2610: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2611: return;
1.341 nicm 2612: colour_split_rgb(gc->bg, &r, &g, &b);
2613: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2614: }
1.224 nicm 2615:
2616: /* How many colours does this terminal have? */
1.359 nicm 2617: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2618: colours = 256;
2619: else
2620: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2621:
1.85 nicm 2622: /* Is this a 256-colour colour? */
1.204 nicm 2623: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2624: /*
2625: * And not a 256 colour mode? Translate to 16-colour
2626: * palette. Bold background doesn't exist portably, so just
2627: * discard the bold bit if set.
2628: */
1.387 nicm 2629: if (colours < 256) {
1.85 nicm 2630: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2631: if (gc->bg & 8) {
1.85 nicm 2632: gc->bg &= 7;
1.175 nicm 2633: if (colours >= 16)
1.322 nicm 2634: gc->bg += 90;
1.175 nicm 2635: }
1.85 nicm 2636: }
2637: return;
2638: }
2639:
2640: /* Is this an aixterm colour? */
1.175 nicm 2641: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2642: gc->bg -= 90;
2643: }
2644:
1.207 nicm 2645: static void
1.399 nicm 2646: tty_check_us(__unused struct tty *tty, struct colour_palette *palette,
2647: struct grid_cell *gc)
1.328 nicm 2648: {
2649: int c;
2650:
2651: /* Perform substitution if this pane has a palette. */
2652: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2653: if ((c = colour_palette_get(palette, gc->us)) != -1)
1.328 nicm 2654: gc->us = c;
2655: }
2656:
2657: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2658: if (gc->us & COLOUR_FLAG_256)
2659: gc->us = colour_256toRGB (gc->us);
2660: }
2661:
2662: static void
1.85 nicm 2663: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2664: {
1.61 nicm 2665: struct grid_cell *tc = &tty->cell;
1.79 nicm 2666: char s[32];
1.1 nicm 2667:
1.204 nicm 2668: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2669: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2670: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.385 nicm 2671: goto save;
1.199 nicm 2672: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2673: return;
1.1 nicm 2674: }
2675:
1.79 nicm 2676: /* Is this an aixterm bright colour? */
1.204 nicm 2677: if (gc->fg >= 90 && gc->fg <= 97) {
1.359 nicm 2678: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2679: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2680: tty_puts(tty, s);
2681: } else
2682: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.385 nicm 2683: goto save;
1.79 nicm 2684: }
2685:
1.61 nicm 2686: /* Otherwise set the foreground colour. */
1.204 nicm 2687: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2688:
1.385 nicm 2689: save:
1.61 nicm 2690: /* Save the new values in the terminal current cell. */
1.204 nicm 2691: tc->fg = gc->fg;
1.1 nicm 2692: }
2693:
1.207 nicm 2694: static void
1.73 nicm 2695: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2696: {
1.61 nicm 2697: struct grid_cell *tc = &tty->cell;
1.79 nicm 2698: char s[32];
1.1 nicm 2699:
1.204 nicm 2700: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2701: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2702: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.385 nicm 2703: goto save;
1.199 nicm 2704: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2705: return;
1.79 nicm 2706: }
2707:
2708: /* Is this an aixterm bright colour? */
1.204 nicm 2709: if (gc->bg >= 90 && gc->bg <= 97) {
1.359 nicm 2710: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2711: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2712: tty_puts(tty, s);
2713: } else
2714: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.385 nicm 2715: goto save;
1.1 nicm 2716: }
2717:
1.61 nicm 2718: /* Otherwise set the background colour. */
1.204 nicm 2719: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2720:
1.385 nicm 2721: save:
1.61 nicm 2722: /* Save the new values in the terminal current cell. */
1.204 nicm 2723: tc->bg = gc->bg;
1.328 nicm 2724: }
2725:
2726: static void
2727: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2728: {
2729: struct grid_cell *tc = &tty->cell;
2730: u_int c;
2731: u_char r, g, b;
2732:
1.385 nicm 2733: /* Clear underline colour. */
2734: if (gc->us == 0) {
2735: tty_putcode(tty, TTYC_OL);
2736: goto save;
2737: }
2738:
1.328 nicm 2739: /* Must be an RGB colour - this should never happen. */
2740: if (~gc->us & COLOUR_FLAG_RGB)
2741: return;
2742:
2743: /*
1.385 nicm 2744: * Setulc and setal follows the ncurses(3) one argument "direct colour"
1.328 nicm 2745: * capability format. Calculate the colour value.
2746: */
2747: colour_split_rgb(gc->us, &r, &g, &b);
2748: c = (65536 * r) + (256 * g) + b;
2749:
1.385 nicm 2750: /*
2751: * Write the colour. Only use setal if the RGB flag is set because the
2752: * non-RGB version may be wrong.
2753: */
2754: if (tty_term_has(tty->term, TTYC_SETULC))
2755: tty_putcode1(tty, TTYC_SETULC, c);
2756: else if (tty_term_has(tty->term, TTYC_SETAL) &&
2757: tty_term_has(tty->term, TTYC_RGB))
2758: tty_putcode1(tty, TTYC_SETAL, c);
1.328 nicm 2759:
1.385 nicm 2760: save:
1.328 nicm 2761: /* Save the new values in the terminal current cell. */
2762: tc->us = gc->us;
1.61 nicm 2763: }
2764:
1.207 nicm 2765: static int
1.204 nicm 2766: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2767: {
1.204 nicm 2768: u_char r, g, b;
1.61 nicm 2769:
1.204 nicm 2770: if (colour & COLOUR_FLAG_256) {
1.359 nicm 2771: if (*type == '3' && tty_term_has(tty->term, TTYC_SETAF))
2772: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2773: else if (tty_term_has(tty->term, TTYC_SETAB))
2774: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2775: return (0);
1.204 nicm 2776: }
2777:
2778: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2779: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.359 nicm 2780: if (*type == '3' && tty_term_has(tty->term, TTYC_SETRGBF))
1.286 nicm 2781: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
1.359 nicm 2782: else if (tty_term_has(tty->term, TTYC_SETRGBB))
1.286 nicm 2783: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
1.165 nicm 2784: return (0);
2785: }
1.61 nicm 2786:
1.165 nicm 2787: return (-1);
1.176 nicm 2788: }
2789:
1.207 nicm 2790: static void
1.371 nicm 2791: tty_window_default_style(struct grid_cell *gc, struct window_pane *wp)
2792: {
2793: memcpy(gc, &grid_default_cell, sizeof *gc);
1.399 nicm 2794: gc->fg = wp->palette.fg;
2795: gc->bg = wp->palette.bg;
1.371 nicm 2796: }
2797:
1.373 nicm 2798: void
1.317 nicm 2799: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2800: {
1.400 nicm 2801: struct options *oo = wp->options;
2802: struct format_tree *ft;
1.373 nicm 2803:
2804: memcpy(gc, &grid_default_cell, sizeof *gc);
1.326 nicm 2805:
2806: if (wp->flags & PANE_STYLECHANGED) {
1.400 nicm 2807: log_debug("%%%u: style changed", wp->id);
1.326 nicm 2808: wp->flags &= ~PANE_STYLECHANGED;
1.371 nicm 2809:
1.400 nicm 2810: ft = format_create(NULL, NULL, FORMAT_PANE|wp->id,
2811: FORMAT_NOJOBS);
2812: format_defaults(ft, NULL, NULL, NULL, wp);
1.371 nicm 2813: tty_window_default_style(&wp->cached_active_gc, wp);
1.400 nicm 2814: style_add(&wp->cached_active_gc, oo, "window-active-style", ft);
1.371 nicm 2815: tty_window_default_style(&wp->cached_gc, wp);
1.400 nicm 2816: style_add(&wp->cached_gc, oo, "window-style", ft);
2817: format_free(ft);
1.203 nicm 2818: }
1.176 nicm 2819:
1.204 nicm 2820: if (gc->fg == 8) {
1.370 nicm 2821: if (wp == wp->window->active && wp->cached_active_gc.fg != 8)
2822: gc->fg = wp->cached_active_gc.fg;
1.204 nicm 2823: else
1.370 nicm 2824: gc->fg = wp->cached_gc.fg;
1.176 nicm 2825: }
2826:
1.204 nicm 2827: if (gc->bg == 8) {
1.370 nicm 2828: if (wp == wp->window->active && wp->cached_active_gc.bg != 8)
2829: gc->bg = wp->cached_active_gc.bg;
1.204 nicm 2830: else
1.370 nicm 2831: gc->bg = wp->cached_gc.bg;
1.176 nicm 2832: }
1.210 nicm 2833: }
2834:
2835: static void
1.373 nicm 2836: tty_default_attributes(struct tty *tty, const struct grid_cell *defaults,
1.399 nicm 2837: struct colour_palette *palette, u_int bg)
1.210 nicm 2838: {
1.373 nicm 2839: struct grid_cell gc;
1.210 nicm 2840:
2841: memcpy(&gc, &grid_default_cell, sizeof gc);
2842: gc.bg = bg;
1.373 nicm 2843: tty_attributes(tty, &gc, defaults, palette);
1.1 nicm 2844: }
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