Annotation of src/usr.bin/tmux/tty.c, Revision 1.404
1.404 ! nicm 1: /* $OpenBSD: tty.c,v 1.403 2021/08/17 11:20:13 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:
! 695: if (tty_term_has(tty->term, TTYC_SE))
! 696: tty_putcode(tty, TTYC_SE);
! 697: else
! 698: tty_putcode1(tty, TTYC_SS, 0);
! 699: if (mode & (MODE_CURSOR_BLINKING|MODE_CURSOR_VERY_VISIBLE))
! 700: tty_putcode(tty, TTYC_CVVIS);
! 701: break;
! 702: case SCREEN_CURSOR_BLOCK:
! 703: if (tty_term_has(tty->term, TTYC_SS)) {
! 704: if (mode & MODE_CURSOR_BLINKING)
! 705: tty_putcode1(tty, TTYC_SS, 1);
! 706: else
! 707: tty_putcode1(tty, TTYC_SS, 2);
! 708: } else if (mode & MODE_CURSOR_BLINKING)
! 709: tty_putcode(tty, TTYC_CVVIS);
! 710: break;
! 711: case SCREEN_CURSOR_UNDERLINE:
! 712: if (tty_term_has(tty->term, TTYC_SS)) {
! 713: if (mode & MODE_CURSOR_BLINKING)
! 714: tty_putcode1(tty, TTYC_SS, 3);
! 715: else
! 716: tty_putcode1(tty, TTYC_SS, 4);
! 717: } else if (mode & MODE_CURSOR_BLINKING)
! 718: tty_putcode(tty, TTYC_CVVIS);
! 719: break;
! 720: case SCREEN_CURSOR_BAR:
! 721: if (tty_term_has(tty->term, TTYC_SS)) {
! 722: if (mode & MODE_CURSOR_BLINKING)
! 723: tty_putcode1(tty, TTYC_SS, 5);
! 724: else
! 725: tty_putcode1(tty, TTYC_SS, 6);
! 726: } else if (mode & MODE_CURSOR_BLINKING)
! 727: tty_putcode(tty, TTYC_CVVIS);
! 728: break;
! 729: }
! 730: tty->cstyle = cstyle;
! 731: }
! 732:
1.107 nicm 733: void
734: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 735: {
1.404 ! nicm 736: struct client *c = tty->client;
! 737: int changed;
1.107 nicm 738:
1.1 nicm 739: if (tty->flags & TTY_NOCURSOR)
740: mode &= ~MODE_CURSOR;
741:
742: changed = mode ^ tty->mode;
1.392 nicm 743: if (log_get_level() != 0 && changed != 0) {
744: log_debug("%s: current mode %s", c->name,
745: screen_mode_to_string(tty->mode));
746: log_debug("%s: setting mode %s", c->name,
747: screen_mode_to_string(mode));
748: }
1.344 nicm 749:
1.404 ! nicm 750: tty_update_cursor(tty, mode, changed, s);
1.344 nicm 751: if ((changed & ALL_MOUSE_MODES) &&
752: tty_term_has(tty->term, TTYC_KMOUS)) {
1.386 nicm 753: /*
754: * If the mouse modes have changed, clear any that are set and
755: * apply again. There are differences in how terminals track
756: * the various bits.
757: */
758: if (tty->mode & MODE_MOUSE_SGR)
1.344 nicm 759: tty_puts(tty, "\033[?1006l");
1.386 nicm 760: if (tty->mode & MODE_MOUSE_STANDARD)
1.344 nicm 761: tty_puts(tty, "\033[?1000l");
1.386 nicm 762: if (tty->mode & MODE_MOUSE_BUTTON)
1.344 nicm 763: tty_puts(tty, "\033[?1002l");
1.386 nicm 764: if (tty->mode & MODE_MOUSE_ALL)
1.344 nicm 765: tty_puts(tty, "\033[?1003l");
766: if (mode & ALL_MOUSE_MODES)
1.153 nicm 767: tty_puts(tty, "\033[?1006h");
1.386 nicm 768: if (mode & MODE_MOUSE_STANDARD)
1.344 nicm 769: tty_puts(tty, "\033[?1000h");
1.386 nicm 770: if (mode & MODE_MOUSE_BUTTON)
1.344 nicm 771: tty_puts(tty, "\033[?1002h");
1.386 nicm 772: if (mode & MODE_MOUSE_ALL)
1.344 nicm 773: tty_puts(tty, "\033[?1003h");
1.115 nicm 774: }
775: if (changed & MODE_BRACKETPASTE) {
776: if (mode & MODE_BRACKETPASTE)
1.366 nicm 777: tty_putcode(tty, TTYC_ENBP);
1.115 nicm 778: else
1.366 nicm 779: tty_putcode(tty, TTYC_DSBP);
1.1 nicm 780: }
781: tty->mode = mode;
782: }
783:
1.207 nicm 784: static void
1.168 nicm 785: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
786: enum tty_code_code code1, u_int n)
1.1 nicm 787: {
788: if (tty_term_has(tty->term, code))
789: tty_putcode1(tty, code, n);
790: else {
791: while (n-- > 0)
792: tty_putcode(tty, code1);
793: }
794: }
795:
1.207 nicm 796: static void
1.133 nicm 797: tty_repeat_space(struct tty *tty, u_int n)
798: {
1.257 nicm 799: static char s[500];
800:
801: if (*s != ' ')
802: memset(s, ' ', sizeof s);
803:
804: while (n > sizeof s) {
805: tty_putn(tty, s, sizeof s, sizeof s);
806: n -= sizeof s;
807: }
808: if (n != 0)
809: tty_putn(tty, s, n, n);
1.304 nicm 810: }
811:
1.309 nicm 812: /* Is this window bigger than the terminal? */
813: int
814: tty_window_bigger(struct tty *tty)
815: {
816: struct client *c = tty->client;
817: struct window *w = c->session->curw->window;
818:
819: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
820: }
821:
822: /* What offset should this window be drawn at? */
823: int
824: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
825: {
826: *ox = tty->oox;
827: *oy = tty->ooy;
828: *sx = tty->osx;
829: *sy = tty->osy;
830:
831: return (tty->oflag);
832: }
833:
834: /* What offset should this window be drawn at? */
835: static int
836: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
837: {
838: struct client *c = tty->client;
839: struct window *w = c->session->curw->window;
1.376 nicm 840: struct window_pane *wp = server_client_get_pane(c);
1.309 nicm 841: u_int cx, cy, lines;
842:
843: lines = status_line_size(c);
844:
845: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
846: *ox = 0;
847: *oy = 0;
848: *sx = w->sx;
849: *sy = w->sy;
850:
851: c->pan_window = NULL;
852: return (0);
853: }
854:
855: *sx = tty->sx;
856: *sy = tty->sy - lines;
857:
858: if (c->pan_window == w) {
859: if (*sx >= w->sx)
860: c->pan_ox = 0;
861: else if (c->pan_ox + *sx > w->sx)
862: c->pan_ox = w->sx - *sx;
863: *ox = c->pan_ox;
864: if (*sy >= w->sy)
865: c->pan_oy = 0;
866: else if (c->pan_oy + *sy > w->sy)
867: c->pan_oy = w->sy - *sy;
868: *oy = c->pan_oy;
869: return (1);
870: }
871:
872: if (~wp->screen->mode & MODE_CURSOR) {
873: *ox = 0;
874: *oy = 0;
875: } else {
876: cx = wp->xoff + wp->screen->cx;
877: cy = wp->yoff + wp->screen->cy;
878:
879: if (cx < *sx)
880: *ox = 0;
881: else if (cx > w->sx - *sx)
882: *ox = w->sx - *sx;
883: else
884: *ox = cx - *sx / 2;
885:
886: if (cy < *sy)
887: *oy = 0;
888: else if (cy > w->sy - *sy)
889: *oy = w->sy - *sy;
890: else
891: *oy = cy - *sy / 2;
892: }
893:
894: c->pan_window = NULL;
895: return (1);
896: }
897:
898: /* Update stored offsets for a window and redraw if necessary. */
899: void
900: tty_update_window_offset(struct window *w)
901: {
902: struct client *c;
903:
904: TAILQ_FOREACH(c, &clients, entry) {
905: if (c->session != NULL && c->session->curw->window == w)
906: tty_update_client_offset(c);
907: }
908: }
909:
910: /* Update stored offsets for a client and redraw if necessary. */
911: void
912: tty_update_client_offset(struct client *c)
1.304 nicm 913: {
1.309 nicm 914: u_int ox, oy, sx, sy;
1.314 nicm 915:
916: if (~c->flags & CLIENT_TERMINAL)
917: return;
1.304 nicm 918:
1.309 nicm 919: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
920: if (ox == c->tty.oox &&
921: oy == c->tty.ooy &&
922: sx == c->tty.osx &&
923: sy == c->tty.osy)
924: return;
925:
926: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
927: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
928: ox, oy, sx, sy);
929:
930: c->tty.oox = ox;
931: c->tty.ooy = oy;
932: c->tty.osx = sx;
933: c->tty.osy = sy;
934:
935: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 936: }
937:
1.1 nicm 938: /*
1.119 nicm 939: * Is the region large enough to be worth redrawing once later rather than
940: * probably several times now? Currently yes if it is more than 50% of the
941: * pane.
942: */
1.207 nicm 943: static int
1.194 nicm 944: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 945: {
1.372 nicm 946: return (ctx->orlower - ctx->orupper >= ctx->sy / 2);
1.119 nicm 947: }
948:
949: /*
1.176 nicm 950: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
951: * emulated.
952: */
1.207 nicm 953: static int
1.373 nicm 954: tty_fake_bce(const struct tty *tty, const struct grid_cell *gc, u_int bg)
1.176 nicm 955: {
1.210 nicm 956: if (tty_term_flag(tty->term, TTYC_BCE))
957: return (0);
1.373 nicm 958: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc->bg))
1.210 nicm 959: return (1);
960: return (0);
1.176 nicm 961: }
962:
963: /*
1.1 nicm 964: * Redraw scroll region using data from screen (already updated). Used when
965: * CSR not supported, or window is a pane that doesn't take up the full
966: * width of the terminal.
967: */
1.207 nicm 968: static void
1.24 nicm 969: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 970: {
1.358 nicm 971: struct client *c = tty->client;
1.204 nicm 972: u_int i;
1.1 nicm 973:
974: /*
1.373 nicm 975: * If region is large, schedule a redraw. In most cases this is likely
976: * to be followed by some more scrolling.
1.1 nicm 977: */
1.119 nicm 978: if (tty_large_region(tty, ctx)) {
1.373 nicm 979: log_debug("%s: %s large redraw", __func__, c->name);
980: ctx->redraw_cb(ctx);
1.1 nicm 981: return;
982: }
983:
1.393 nicm 984: for (i = ctx->orupper; i <= ctx->orlower; i++)
985: tty_draw_pane(tty, ctx, i);
1.1 nicm 986: }
987:
1.309 nicm 988: /* Is this position visible in the pane? */
989: static int
1.374 nicm 990: tty_is_visible(__unused struct tty *tty, const struct tty_ctx *ctx, u_int px,
991: u_int py, u_int nx, u_int ny)
1.309 nicm 992: {
1.374 nicm 993: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 994:
995: if (!ctx->bigger)
996: return (1);
997:
1.372 nicm 998: if (xoff + nx <= ctx->wox || xoff >= ctx->wox + ctx->wsx ||
1.374 nicm 999: yoff + ny <= ctx->woy || yoff >= ctx->woy + ctx->wsy)
1.309 nicm 1000: return (0);
1001: return (1);
1002: }
1003:
1004: /* Clamp line position to visible part of pane. */
1005: static int
1006: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1007: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
1008: {
1.373 nicm 1009: u_int xoff = ctx->rxoff + px;
1.309 nicm 1010:
1011: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
1012: return (0);
1.372 nicm 1013: *ry = ctx->yoff + py - ctx->woy;
1.309 nicm 1014:
1.372 nicm 1015: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1016: /* All visible. */
1017: *i = 0;
1.372 nicm 1018: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1019: *rx = nx;
1.372 nicm 1020: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1021: /* Both left and right not visible. */
1.372 nicm 1022: *i = ctx->wox;
1.309 nicm 1023: *x = 0;
1.372 nicm 1024: *rx = ctx->wsx;
1025: } else if (xoff < ctx->wox) {
1.309 nicm 1026: /* Left not visible. */
1.372 nicm 1027: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1028: *x = 0;
1029: *rx = nx - *i;
1030: } else {
1031: /* Right not visible. */
1032: *i = 0;
1.372 nicm 1033: *x = (ctx->xoff + px) - ctx->wox;
1034: *rx = ctx->wsx - *x;
1.309 nicm 1035: }
1036: if (*rx > nx)
1037: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1038:
1039: return (1);
1040: }
1041:
1042: /* Clear a line. */
1.271 nicm 1043: static void
1.373 nicm 1044: tty_clear_line(struct tty *tty, const struct grid_cell *defaults, u_int py,
1045: u_int px, u_int nx, u_int bg)
1.271 nicm 1046: {
1.309 nicm 1047: struct client *c = tty->client;
1.394 nicm 1048: u_int i;
1.309 nicm 1049:
1050: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1051:
1052: /* Nothing to clear. */
1053: if (nx == 0)
1054: return;
1055:
1056: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1057: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.271 nicm 1058: /* Off the end of the line, use EL if available. */
1059: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1060: tty_cursor(tty, px, py);
1061: tty_putcode(tty, TTYC_EL);
1062: return;
1063: }
1064:
1065: /* At the start of the line. Use EL1. */
1066: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1067: tty_cursor(tty, px + nx - 1, py);
1068: tty_putcode(tty, TTYC_EL1);
1069: return;
1070: }
1071:
1072: /* Section of line. Use ECH if possible. */
1073: if (tty_term_has(tty->term, TTYC_ECH)) {
1074: tty_cursor(tty, px, py);
1075: tty_putcode1(tty, TTYC_ECH, nx);
1076: return;
1077: }
1078: }
1079:
1.394 nicm 1080: /*
1081: * Couldn't use an escape sequence, use spaces. Clear only the visible
1082: * bit if there is an overlay.
1083: */
1084: for (i = 0; i < nx; i++) {
1085: if (!tty_check_overlay(tty, px + i, py))
1086: break;
1087: }
1.272 nicm 1088: tty_cursor(tty, px, py);
1.394 nicm 1089: tty_repeat_space(tty, i);
1090: for (; i < nx; i++) {
1091: if (tty_check_overlay(tty, px + i, py))
1092: break;
1093: }
1094: tty_cursor(tty, px + i, py);
1095: tty_repeat_space(tty, nx - i);
1.271 nicm 1096: }
1097:
1.309 nicm 1098: /* Clear a line, adjusting to visible part of pane. */
1099: static void
1100: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1101: u_int px, u_int nx, u_int bg)
1102: {
1103: struct client *c = tty->client;
1104: u_int i, x, rx, ry;
1105:
1106: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1107:
1108: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1.373 nicm 1109: tty_clear_line(tty, &ctx->defaults, ry, x, rx, bg);
1.309 nicm 1110: }
1111:
1112: /* Clamp area position to visible part of pane. */
1113: static int
1114: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1115: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1116: u_int *ry)
1117: {
1.373 nicm 1118: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1119:
1120: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1121: return (0);
1122:
1.372 nicm 1123: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1124: /* All visible. */
1125: *i = 0;
1.372 nicm 1126: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1127: *rx = nx;
1.372 nicm 1128: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1129: /* Both left and right not visible. */
1.372 nicm 1130: *i = ctx->wox;
1.309 nicm 1131: *x = 0;
1.372 nicm 1132: *rx = ctx->wsx;
1133: } else if (xoff < ctx->wox) {
1.309 nicm 1134: /* Left not visible. */
1.372 nicm 1135: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1136: *x = 0;
1137: *rx = nx - *i;
1138: } else {
1139: /* Right not visible. */
1140: *i = 0;
1.372 nicm 1141: *x = (ctx->xoff + px) - ctx->wox;
1142: *rx = ctx->wsx - *x;
1.309 nicm 1143: }
1144: if (*rx > nx)
1145: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1146:
1.372 nicm 1147: if (yoff >= ctx->woy && yoff + ny <= ctx->woy + ctx->wsy) {
1.309 nicm 1148: /* All visible. */
1149: *j = 0;
1.372 nicm 1150: *y = ctx->yoff + py - ctx->woy;
1.309 nicm 1151: *ry = ny;
1.372 nicm 1152: } else if (yoff < ctx->woy && yoff + ny > ctx->woy + ctx->wsy) {
1.327 nicm 1153: /* Both top and bottom not visible. */
1.372 nicm 1154: *j = ctx->woy;
1.309 nicm 1155: *y = 0;
1.372 nicm 1156: *ry = ctx->wsy;
1157: } else if (yoff < ctx->woy) {
1.327 nicm 1158: /* Top not visible. */
1.372 nicm 1159: *j = ctx->woy - (ctx->yoff + py);
1.309 nicm 1160: *y = 0;
1161: *ry = ny - *j;
1162: } else {
1.327 nicm 1163: /* Bottom not visible. */
1.309 nicm 1164: *j = 0;
1.372 nicm 1165: *y = (ctx->yoff + py) - ctx->woy;
1166: *ry = ctx->wsy - *y;
1.309 nicm 1167: }
1168: if (*ry > ny)
1169: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1170:
1171: return (1);
1172: }
1173:
1174: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1175: static void
1.373 nicm 1176: tty_clear_area(struct tty *tty, const struct grid_cell *defaults, u_int py,
1177: u_int ny, u_int px, u_int nx, u_int bg)
1.271 nicm 1178: {
1.309 nicm 1179: struct client *c = tty->client;
1180: u_int yy;
1181: char tmp[64];
1.271 nicm 1182:
1.309 nicm 1183: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1184:
1185: /* Nothing to clear. */
1186: if (nx == 0 || ny == 0)
1187: return;
1188:
1189: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1190: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.276 nicm 1191: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1192: if (px == 0 &&
1193: px + nx >= tty->sx &&
1194: py + ny >= tty->sy &&
1195: tty_term_has(tty->term, TTYC_ED)) {
1196: tty_cursor(tty, 0, py);
1197: tty_putcode(tty, TTYC_ED);
1.274 nicm 1198: return;
1199: }
1200:
1201: /*
1.276 nicm 1202: * On VT420 compatible terminals we can use DECFRA if the
1203: * background colour isn't default (because it doesn't work
1204: * after SGR 0).
1.274 nicm 1205: */
1.359 nicm 1206: if ((tty->term->flags & TERM_DECFRA) && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1207: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1208: py + 1, px + 1, py + ny, px + nx);
1209: tty_puts(tty, tmp);
1.276 nicm 1210: return;
1211: }
1212:
1.280 nicm 1213: /* Full lines can be scrolled away to clear them. */
1214: if (px == 0 &&
1.281 nicm 1215: px + nx >= tty->sx &&
1.280 nicm 1216: ny > 2 &&
1217: tty_term_has(tty->term, TTYC_CSR) &&
1218: tty_term_has(tty->term, TTYC_INDN)) {
1219: tty_region(tty, py, py + ny - 1);
1220: tty_margin_off(tty);
1.284 nicm 1221: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1222: return;
1223: }
1224:
1.276 nicm 1225: /*
1226: * If margins are supported, can just scroll the area off to
1227: * clear it.
1228: */
1.277 nicm 1229: if (nx > 2 &&
1230: ny > 2 &&
1.280 nicm 1231: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1232: tty_use_margin(tty) &&
1233: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1234: tty_region(tty, py, py + ny - 1);
1235: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1236: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1237: return;
1238: }
1239: }
1240:
1241: /* Couldn't use an escape sequence, loop over the lines. */
1242: for (yy = py; yy < py + ny; yy++)
1.373 nicm 1243: tty_clear_line(tty, defaults, yy, px, nx, bg);
1.271 nicm 1244: }
1245:
1.309 nicm 1246: /* Clear an area in a pane. */
1247: static void
1248: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1249: u_int ny, u_int px, u_int nx, u_int bg)
1250: {
1251: u_int i, j, x, y, rx, ry;
1252:
1253: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1.373 nicm 1254: tty_clear_area(tty, &ctx->defaults, y, ry, x, rx, bg);
1.309 nicm 1255: }
1256:
1257: static void
1258: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1259: {
1.373 nicm 1260: struct screen *s = ctx->s;
1261: u_int nx = ctx->sx, i, x, rx, ry;
1.309 nicm 1262:
1263: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1264:
1265: if (!ctx->bigger) {
1.373 nicm 1266: tty_draw_line(tty, s, 0, py, nx, ctx->xoff, ctx->yoff + py,
1267: &ctx->defaults, ctx->palette);
1.309 nicm 1268: return;
1269: }
1.373 nicm 1270: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry)) {
1271: tty_draw_line(tty, s, i, py, rx, x, ry, &ctx->defaults,
1272: ctx->palette);
1273: }
1.176 nicm 1274: }
1275:
1.298 nicm 1276: static const struct grid_cell *
1277: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1278: {
1279: static struct grid_cell new;
1.377 nicm 1280: int c;
1.298 nicm 1281:
1282: /* Characters less than 0x7f are always fine, no matter what. */
1283: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1284: return (gc);
1285:
1286: /* UTF-8 terminal and a UTF-8 character - fine. */
1.359 nicm 1287: if (tty->client->flags & CLIENT_UTF8)
1.298 nicm 1288: return (gc);
1.377 nicm 1289: memcpy(&new, gc, sizeof new);
1290:
1291: /* See if this can be mapped to an ACS character. */
1292: c = tty_acs_reverse_get(tty, gc->data.data, gc->data.size);
1293: if (c != -1) {
1294: utf8_set(&new.data, c);
1295: new.attr |= GRID_ATTR_CHARSET;
1296: return (&new);
1297: }
1.298 nicm 1298:
1299: /* Replace by the right number of underscores. */
1.377 nicm 1300: new.data.size = gc->data.width;
1301: if (new.data.size > UTF8_SIZE)
1302: new.data.size = UTF8_SIZE;
1303: memset(new.data.data, '_', new.data.size);
1.298 nicm 1304: return (&new);
1305: }
1306:
1.346 nicm 1307: static int
1308: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1309: {
1310: struct client *c = tty->client;
1311:
1312: if (c->overlay_check == NULL)
1313: return (1);
1.401 nicm 1314: return (c->overlay_check(c, c->overlay_data, px, py));
1.346 nicm 1315: }
1316:
1.176 nicm 1317: void
1.373 nicm 1318: tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
1.399 nicm 1319: u_int atx, u_int aty, const struct grid_cell *defaults,
1320: struct colour_palette *palette)
1.1 nicm 1321: {
1.297 nicm 1322: struct grid *gd = s->grid;
1.250 nicm 1323: struct grid_cell gc, last;
1.298 nicm 1324: const struct grid_cell *gcp;
1.309 nicm 1325: struct grid_line *gl;
1.394 nicm 1326: struct client *c = tty->client;
1.396 nicm 1327: u_int i, j, ux, sx, width, hidden;
1328: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1329: char buf[512];
1.315 nicm 1330: size_t len;
1.303 nicm 1331: u_int cellsize;
1.1 nicm 1332:
1.309 nicm 1333: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1334: px, py, nx, atx, aty);
1.399 nicm 1335: log_debug("%s: defaults: fg=%d, bg=%d", __func__, defaults->fg,
1336: defaults->bg);
1.309 nicm 1337:
1338: /*
1339: * py is the line in the screen to draw.
1340: * px is the start x and nx is the width to draw.
1341: * atx,aty is the line on the terminal to draw it.
1342: */
1343:
1.259 nicm 1344: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1345: tty->flags |= TTY_NOCURSOR;
1346: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1347:
1.214 nicm 1348: tty_region_off(tty);
1349: tty_margin_off(tty);
1350:
1.273 nicm 1351: /*
1352: * Clamp the width to cellsize - note this is not cellused, because
1353: * there may be empty background cells after it (from BCE).
1354: */
1.1 nicm 1355: sx = screen_size_x(s);
1.309 nicm 1356: if (nx > sx)
1357: nx = sx;
1.303 nicm 1358: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1359: if (sx > cellsize)
1360: sx = cellsize;
1.1 nicm 1361: if (sx > tty->sx)
1362: sx = tty->sx;
1.309 nicm 1363: if (sx > nx)
1364: sx = nx;
1.292 nicm 1365: ux = 0;
1.1 nicm 1366:
1.309 nicm 1367: if (py == 0)
1368: gl = NULL;
1369: else
1370: gl = grid_get_line(gd, gd->hsize + py - 1);
1.373 nicm 1371: if (gl == NULL ||
1.309 nicm 1372: (~gl->flags & GRID_LINE_WRAPPED) ||
1373: atx != 0 ||
1.268 nicm 1374: tty->cx < tty->sx ||
1.309 nicm 1375: nx < tty->sx) {
1376: if (nx < tty->sx &&
1377: atx == 0 &&
1378: px + sx != nx &&
1.268 nicm 1379: tty_term_has(tty->term, TTYC_EL1) &&
1.394 nicm 1380: !tty_fake_bce(tty, defaults, 8) &&
1381: c->overlay_check == NULL) {
1.373 nicm 1382: tty_default_attributes(tty, defaults, palette, 8);
1.309 nicm 1383: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1384: tty_putcode(tty, TTYC_EL1);
1385: cleared = 1;
1386: }
1.329 nicm 1387: } else {
1.309 nicm 1388: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1389: wrapped = 1;
1390: }
1.250 nicm 1391:
1392: memcpy(&last, &grid_default_cell, sizeof last);
1393: len = 0;
1394: width = 0;
1.46 nicm 1395:
1.1 nicm 1396: for (i = 0; i < sx; i++) {
1.309 nicm 1397: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1398: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1399: if (len != 0 &&
1.346 nicm 1400: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1401: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1402: gcp->flags != last.flags ||
1403: gcp->attr != last.attr ||
1404: gcp->fg != last.fg ||
1405: gcp->bg != last.bg ||
1.328 nicm 1406: gcp->us != last.us ||
1.315 nicm 1407: ux + width + gcp->data.width > nx ||
1.298 nicm 1408: (sizeof buf) - len < gcp->data.size)) {
1.373 nicm 1409: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1410: if (last.flags & GRID_FLAG_CLEARED) {
1411: log_debug("%s: %zu cleared", __func__, len);
1.373 nicm 1412: tty_clear_line(tty, defaults, aty, atx + ux,
1413: width, last.bg);
1.315 nicm 1414: } else {
1.329 nicm 1415: if (!wrapped || atx != 0 || ux != 0)
1416: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1417: tty_putn(tty, buf, len, width);
1418: }
1.292 nicm 1419: ux += width;
1.250 nicm 1420:
1421: len = 0;
1422: width = 0;
1.329 nicm 1423: wrapped = 0;
1.250 nicm 1424: }
1425:
1.298 nicm 1426: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1427: screen_select_cell(s, &last, gcp);
1.250 nicm 1428: else
1.299 nicm 1429: memcpy(&last, gcp, sizeof last);
1.395 nicm 1430:
1431: hidden = 0;
1432: for (j = 0; j < gcp->data.width; j++) {
1.396 nicm 1433: if (!tty_check_overlay(tty, atx + ux + j, aty))
1434: hidden++;
1.395 nicm 1435: }
1.396 nicm 1436: if (hidden != 0 && hidden == gcp->data.width) {
1437: if (~gcp->flags & GRID_FLAG_PADDING)
1438: ux += gcp->data.width;
1439: } else if (hidden != 0 || ux + gcp->data.width > nx) {
1.395 nicm 1440: if (~gcp->flags & GRID_FLAG_PADDING) {
1441: tty_attributes(tty, &last, defaults, palette);
1442: tty_cursor(tty, atx + ux, aty);
1443: for (j = 0; j < gcp->data.width; j++) {
1.397 nicm 1444: if (ux > nx)
1.395 nicm 1445: break;
1.397 nicm 1446: if (tty_check_overlay(tty, atx + ux,
1447: aty))
1448: tty_putc(tty, ' ');
1449: else {
1450: tty_cursor(tty, atx + ux + 1,
1451: aty);
1452: }
1.395 nicm 1453: ux++;
1454: }
1.297 nicm 1455: }
1.299 nicm 1456: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1.373 nicm 1457: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1458: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1459: for (j = 0; j < gcp->data.size; j++)
1460: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1461: ux += gcp->data.width;
1.381 nicm 1462: } else if (~gcp->flags & GRID_FLAG_PADDING) {
1.298 nicm 1463: memcpy(buf + len, gcp->data.data, gcp->data.size);
1464: len += gcp->data.size;
1465: width += gcp->data.width;
1.250 nicm 1466: }
1467: }
1.315 nicm 1468: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.373 nicm 1469: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1470: if (last.flags & GRID_FLAG_CLEARED) {
1471: log_debug("%s: %zu cleared (end)", __func__, len);
1.373 nicm 1472: tty_clear_line(tty, defaults, aty, atx + ux, width,
1473: last.bg);
1.315 nicm 1474: } else {
1.329 nicm 1475: if (!wrapped || atx != 0 || ux != 0)
1476: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1477: tty_putn(tty, buf, len, width);
1478: }
1.315 nicm 1479: ux += width;
1.1 nicm 1480: }
1481:
1.309 nicm 1482: if (!cleared && ux < nx) {
1.315 nicm 1483: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1484: nx - ux, len);
1.373 nicm 1485: tty_default_attributes(tty, defaults, palette, 8);
1486: tty_clear_line(tty, defaults, aty, atx + ux, nx - ux, 8);
1.35 nicm 1487: }
1.1 nicm 1488:
1.181 nicm 1489: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1490: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1491: }
1492:
1.348 nicm 1493: void
1494: tty_sync_start(struct tty *tty)
1495: {
1.361 nicm 1496: if (tty->flags & TTY_BLOCK)
1497: return;
1498: if (tty->flags & TTY_SYNCING)
1499: return;
1500: tty->flags |= TTY_SYNCING;
1501:
1502: if (tty_term_has(tty->term, TTYC_SYNC)) {
1503: log_debug("%s sync start", tty->client->name);
1.360 nicm 1504: tty_putcode1(tty, TTYC_SYNC, 1);
1.357 nicm 1505: }
1.348 nicm 1506: }
1507:
1508: void
1509: tty_sync_end(struct tty *tty)
1510: {
1.361 nicm 1511: if (tty->flags & TTY_BLOCK)
1512: return;
1513: if (~tty->flags & TTY_SYNCING)
1514: return;
1515: tty->flags &= ~TTY_SYNCING;
1516:
1517: if (tty_term_has(tty->term, TTYC_SYNC)) {
1518: log_debug("%s sync end", tty->client->name);
1.360 nicm 1519: tty_putcode1(tty, TTYC_SYNC, 2);
1.357 nicm 1520: }
1.348 nicm 1521: }
1522:
1.201 nicm 1523: static int
1.373 nicm 1524: tty_client_ready(struct client *c)
1.182 nicm 1525: {
1526: if (c->session == NULL || c->tty.term == NULL)
1527: return (0);
1.305 nicm 1528: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1529: return (0);
1530: if (c->tty.flags & TTY_FREEZE)
1531: return (0);
1532: return (1);
1533: }
1534:
1.15 nicm 1535: void
1.182 nicm 1536: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1537: struct tty_ctx *ctx)
1.15 nicm 1538: {
1.373 nicm 1539: struct client *c;
1540: int state;
1.15 nicm 1541:
1.373 nicm 1542: if (ctx->set_client_cb == NULL)
1.15 nicm 1543: return;
1.178 nicm 1544: TAILQ_FOREACH(c, &clients, entry) {
1.373 nicm 1545: if (!tty_client_ready(c))
1.15 nicm 1546: continue;
1.373 nicm 1547: state = ctx->set_client_cb(ctx, c);
1548: if (state == -1)
1.358 nicm 1549: break;
1.373 nicm 1550: if (state == 0)
1551: continue;
1.139 nicm 1552: cmdfn(&c->tty, ctx);
1.1 nicm 1553: }
1554: }
1555:
1556: void
1.24 nicm 1557: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1558: {
1.394 nicm 1559: struct client *c = tty->client;
1560:
1.309 nicm 1561: if (ctx->bigger ||
1.372 nicm 1562: !tty_full_width(tty, ctx) ||
1.373 nicm 1563: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.210 nicm 1564: (!tty_term_has(tty->term, TTYC_ICH) &&
1.394 nicm 1565: !tty_term_has(tty->term, TTYC_ICH1)) ||
1566: c->overlay_check != NULL) {
1.309 nicm 1567: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1568: return;
1569: }
1570:
1.373 nicm 1571: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1572:
1.77 nicm 1573: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1574:
1.206 nicm 1575: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1576: }
1577:
1578: void
1.24 nicm 1579: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1580: {
1.394 nicm 1581: struct client *c = tty->client;
1582:
1.309 nicm 1583: if (ctx->bigger ||
1.372 nicm 1584: !tty_full_width(tty, ctx) ||
1.373 nicm 1585: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.26 nicm 1586: (!tty_term_has(tty->term, TTYC_DCH) &&
1.394 nicm 1587: !tty_term_has(tty->term, TTYC_DCH1)) ||
1588: c->overlay_check != NULL) {
1.309 nicm 1589: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1590: return;
1591: }
1592:
1.373 nicm 1593: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1594:
1.77 nicm 1595: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1596:
1.206 nicm 1597: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1598: }
1599:
1600: void
1601: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1602: {
1.373 nicm 1603: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.146 nicm 1604:
1.388 nicm 1605: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, ctx->num, ctx->bg);
1.1 nicm 1606: }
1607:
1608: void
1.24 nicm 1609: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1610: {
1.394 nicm 1611: struct client *c = tty->client;
1612:
1.309 nicm 1613: if (ctx->bigger ||
1.372 nicm 1614: !tty_full_width(tty, ctx) ||
1.373 nicm 1615: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.77 nicm 1616: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1617: !tty_term_has(tty->term, TTYC_IL1) ||
1.373 nicm 1618: ctx->sx == 1 ||
1.394 nicm 1619: ctx->sy == 1 ||
1620: c->overlay_check != NULL) {
1.14 nicm 1621: tty_redraw_region(tty, ctx);
1.1 nicm 1622: return;
1623: }
1624:
1.373 nicm 1625: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1626:
1.77 nicm 1627: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1628: tty_margin_off(tty);
1.77 nicm 1629: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1630:
1.12 nicm 1631: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1632: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1633: }
1634:
1635: void
1.24 nicm 1636: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1637: {
1.394 nicm 1638: struct client *c = tty->client;
1639:
1.309 nicm 1640: if (ctx->bigger ||
1.372 nicm 1641: !tty_full_width(tty, ctx) ||
1.373 nicm 1642: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.72 nicm 1643: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1644: !tty_term_has(tty->term, TTYC_DL1) ||
1.373 nicm 1645: ctx->sx == 1 ||
1.394 nicm 1646: ctx->sy == 1 ||
1647: c->overlay_check != NULL) {
1.14 nicm 1648: tty_redraw_region(tty, ctx);
1.1 nicm 1649: return;
1650: }
1651:
1.373 nicm 1652: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1653:
1.77 nicm 1654: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1655: tty_margin_off(tty);
1.77 nicm 1656: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1657:
1.12 nicm 1658: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1659: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1660: }
1661:
1662: void
1.24 nicm 1663: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1664: {
1.373 nicm 1665: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1666:
1.372 nicm 1667: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->sx, ctx->bg);
1.1 nicm 1668: }
1669:
1670: void
1.24 nicm 1671: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1672: {
1.373 nicm 1673: u_int nx = ctx->sx - ctx->ocx;
1.1 nicm 1674:
1.373 nicm 1675: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1676:
1.309 nicm 1677: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1678: }
1679:
1680: void
1.24 nicm 1681: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1682: {
1.373 nicm 1683: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1684:
1.309 nicm 1685: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1686: }
1687:
1688: void
1.24 nicm 1689: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1690: {
1.394 nicm 1691: struct client *c = tty->client;
1692:
1.56 nicm 1693: if (ctx->ocy != ctx->orupper)
1694: return;
1695:
1.309 nicm 1696: if (ctx->bigger ||
1.372 nicm 1697: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1698: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.70 nicm 1699: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1700: (!tty_term_has(tty->term, TTYC_RI) &&
1701: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1702: ctx->sx == 1 ||
1.394 nicm 1703: ctx->sy == 1 ||
1704: c->overlay_check != NULL) {
1.14 nicm 1705: tty_redraw_region(tty, ctx);
1.1 nicm 1706: return;
1707: }
1708:
1.373 nicm 1709: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1710:
1.56 nicm 1711: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1712: tty_margin_pane(tty, ctx);
1.56 nicm 1713: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1714:
1.331 nicm 1715: if (tty_term_has(tty->term, TTYC_RI))
1716: tty_putcode(tty, TTYC_RI);
1717: else
1718: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1719: }
1720:
1721: void
1.24 nicm 1722: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1723: {
1.394 nicm 1724: struct client *c = tty->client;
1725:
1.56 nicm 1726: if (ctx->ocy != ctx->orlower)
1727: return;
1728:
1.309 nicm 1729: if (ctx->bigger ||
1.372 nicm 1730: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1731: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1732: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1733: ctx->sx == 1 ||
1.394 nicm 1734: ctx->sy == 1 ||
1735: c->overlay_check != NULL) {
1.236 nicm 1736: tty_redraw_region(tty, ctx);
1.1 nicm 1737: return;
1738: }
1.52 nicm 1739:
1.373 nicm 1740: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1741:
1.56 nicm 1742: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1743: tty_margin_pane(tty, ctx);
1744:
1745: /*
1.301 nicm 1746: * If we want to wrap a pane while using margins, the cursor needs to
1747: * be exactly on the right of the region. If the cursor is entirely off
1748: * the edge - move it back to the right. Some terminals are funny about
1749: * this and insert extra spaces, so only use the right if margins are
1750: * enabled.
1.212 nicm 1751: */
1.301 nicm 1752: if (ctx->xoff + ctx->ocx > tty->rright) {
1753: if (!tty_use_margin(tty))
1754: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1755: else
1756: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1757: } else
1.212 nicm 1758: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1759:
1.56 nicm 1760: tty_putc(tty, '\n');
1.240 nicm 1761: }
1762:
1763: void
1764: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1765: {
1.394 nicm 1766: struct client *c = tty->client;
1767: u_int i;
1.240 nicm 1768:
1.309 nicm 1769: if (ctx->bigger ||
1.372 nicm 1770: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1771: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1772: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1773: ctx->sx == 1 ||
1.394 nicm 1774: ctx->sy == 1 ||
1775: c->overlay_check != NULL) {
1.240 nicm 1776: tty_redraw_region(tty, ctx);
1777: return;
1778: }
1779:
1.373 nicm 1780: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.240 nicm 1781:
1782: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1783: tty_margin_pane(tty, ctx);
1784:
1.284 nicm 1785: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1786: if (!tty_use_margin(tty))
1787: tty_cursor(tty, 0, tty->rlower);
1788: else
1789: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1790: for (i = 0; i < ctx->num; i++)
1.240 nicm 1791: tty_putc(tty, '\n');
1.301 nicm 1792: } else {
1.353 nicm 1793: if (tty->cy == UINT_MAX)
1794: tty_cursor(tty, 0, 0);
1795: else
1796: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1797: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1798: }
1799: }
1800:
1801: void
1802: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1803: {
1.394 nicm 1804: u_int i;
1805: struct client *c = tty->client;
1.331 nicm 1806:
1807: if (ctx->bigger ||
1.372 nicm 1808: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1809: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.331 nicm 1810: !tty_term_has(tty->term, TTYC_CSR) ||
1811: (!tty_term_has(tty->term, TTYC_RI) &&
1812: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1813: ctx->sx == 1 ||
1.394 nicm 1814: ctx->sy == 1 ||
1815: c->overlay_check != NULL) {
1.331 nicm 1816: tty_redraw_region(tty, ctx);
1817: return;
1818: }
1819:
1.373 nicm 1820: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.331 nicm 1821:
1822: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1823: tty_margin_pane(tty, ctx);
1824: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1825:
1826: if (tty_term_has(tty->term, TTYC_RIN))
1827: tty_putcode1(tty, TTYC_RIN, ctx->num);
1828: else {
1829: for (i = 0; i < ctx->num; i++)
1830: tty_putcode(tty, TTYC_RI);
1.301 nicm 1831: }
1.1 nicm 1832: }
1833:
1834: void
1.24 nicm 1835: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1836: {
1.373 nicm 1837: u_int px, py, nx, ny;
1.1 nicm 1838:
1.373 nicm 1839: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1840:
1.372 nicm 1841: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1842: tty_margin_off(tty);
1.39 nicm 1843:
1.309 nicm 1844: px = 0;
1.372 nicm 1845: nx = ctx->sx;
1.309 nicm 1846: py = ctx->ocy + 1;
1.372 nicm 1847: ny = ctx->sy - ctx->ocy - 1;
1.271 nicm 1848:
1.309 nicm 1849: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1850:
1.309 nicm 1851: px = ctx->ocx;
1.372 nicm 1852: nx = ctx->sx - ctx->ocx;
1.309 nicm 1853: py = ctx->ocy;
1.271 nicm 1854:
1.309 nicm 1855: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1856: }
1857:
1858: void
1.24 nicm 1859: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1860: {
1.373 nicm 1861: u_int px, py, nx, ny;
1.1 nicm 1862:
1.373 nicm 1863: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1864:
1.372 nicm 1865: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1866: tty_margin_off(tty);
1.39 nicm 1867:
1.309 nicm 1868: px = 0;
1.372 nicm 1869: nx = ctx->sx;
1.309 nicm 1870: py = 0;
1.319 nicm 1871: ny = ctx->ocy;
1.271 nicm 1872:
1.309 nicm 1873: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1874:
1.309 nicm 1875: px = 0;
1.271 nicm 1876: nx = ctx->ocx + 1;
1.309 nicm 1877: py = ctx->ocy;
1.271 nicm 1878:
1.309 nicm 1879: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1880: }
1881:
1882: void
1.24 nicm 1883: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1884: {
1.373 nicm 1885: u_int px, py, nx, ny;
1.1 nicm 1886:
1.373 nicm 1887: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1888:
1.372 nicm 1889: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1890: tty_margin_off(tty);
1.39 nicm 1891:
1.309 nicm 1892: px = 0;
1.372 nicm 1893: nx = ctx->sx;
1.309 nicm 1894: py = 0;
1.372 nicm 1895: ny = ctx->sy;
1.271 nicm 1896:
1.309 nicm 1897: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1898: }
1899:
1900: void
1.24 nicm 1901: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1902: {
1.373 nicm 1903: u_int i, j;
1.4 nicm 1904:
1.309 nicm 1905: if (ctx->bigger) {
1.373 nicm 1906: ctx->redraw_cb(ctx);
1.309 nicm 1907: return;
1908: }
1909:
1.373 nicm 1910: tty_attributes(tty, &grid_default_cell, &ctx->defaults, ctx->palette);
1.4 nicm 1911:
1.372 nicm 1912: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1913: tty_margin_off(tty);
1.4 nicm 1914:
1.372 nicm 1915: for (j = 0; j < ctx->sy; j++) {
1.41 nicm 1916: tty_cursor_pane(tty, ctx, 0, j);
1.372 nicm 1917: for (i = 0; i < ctx->sx; i++)
1.4 nicm 1918: tty_putc(tty, 'E');
1.1 nicm 1919: }
1920: }
1921:
1922: void
1.24 nicm 1923: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1924: {
1.394 nicm 1925: const struct grid_cell *gcp = ctx->cell;
1926: struct screen *s = ctx->s;
1927: u_int i, px, py;
1928:
1929: px = ctx->xoff + ctx->ocx - ctx->wox;
1930: py = ctx->yoff + ctx->ocy - ctx->woy;
1931: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1) ||
1932: (gcp->data.width == 1 && !tty_check_overlay(tty, px, py)))
1933: return;
1934:
1935: /* Handle partially obstructed wide characters. */
1936: if (gcp->data.width > 1) {
1937: for (i = 0; i < gcp->data.width; i++) {
1938: if (!tty_check_overlay(tty, px + i, py)) {
1939: tty_draw_line(tty, s, s->cx, s->cy,
1940: gcp->data.width, px, py, &ctx->defaults,
1941: ctx->palette);
1942: return;
1943: }
1944: }
1945: }
1.309 nicm 1946:
1.372 nicm 1947: if (ctx->xoff + ctx->ocx - ctx->wox > tty->sx - 1 &&
1.306 nicm 1948: ctx->ocy == ctx->orlower &&
1.372 nicm 1949: tty_full_width(tty, ctx))
1.306 nicm 1950: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1951:
1.306 nicm 1952: tty_margin_off(tty);
1.253 nicm 1953: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1954:
1.373 nicm 1955: tty_cell(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 1956: }
1957:
1958: void
1959: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1960: {
1.394 nicm 1961: u_int i, hide = 0;
1962:
1.309 nicm 1963: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1964: return;
1965:
1966: if (ctx->bigger &&
1.372 nicm 1967: (ctx->xoff + ctx->ocx < ctx->wox ||
1968: ctx->xoff + ctx->ocx + ctx->num > ctx->wox + ctx->wsx)) {
1.309 nicm 1969: if (!ctx->wrapped ||
1.372 nicm 1970: !tty_full_width(tty, ctx) ||
1.382 nicm 1971: (tty->term->flags & TERM_NOAM) ||
1.309 nicm 1972: ctx->xoff + ctx->ocx != 0 ||
1973: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1974: tty->cx < tty->sx ||
1975: tty->cy == tty->rlower)
1976: tty_draw_pane(tty, ctx, ctx->ocy);
1977: else
1.373 nicm 1978: ctx->redraw_cb(ctx);
1.309 nicm 1979: return;
1980: }
1981:
1.306 nicm 1982: tty_margin_off(tty);
1.253 nicm 1983: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1984:
1.373 nicm 1985: tty_attributes(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.394 nicm 1986: for (i = 0; i < ctx->num; i++) {
1987: if (!tty_check_overlay(tty, tty->cx + i, tty->cy))
1988: break;
1989: }
1990: tty_putn(tty, ctx->ptr, i, i);
1991: for (; i < ctx->num; i++) {
1992: if (tty_check_overlay(tty, tty->cx + hide, tty->cy))
1993: break;
1994: hide++;
1995: }
1996: tty_cursor(tty, tty->cx + hide, tty->cy);
1997: tty_putn(tty, (char *)ctx->ptr + i, ctx->num - i, ctx->num - i);
1.106 nicm 1998: }
1999:
2000: void
2001: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
2002: {
1.383 nicm 2003: tty_set_selection(tty, ctx->ptr, ctx->num);
2004: }
2005:
2006: void
2007: tty_set_selection(struct tty *tty, const char *buf, size_t len)
2008: {
2009: char *encoded;
2010: size_t size;
1.106 nicm 2011:
1.384 nicm 2012: if (~tty->flags & TTY_STARTED)
2013: return;
1.106 nicm 2014: if (!tty_term_has(tty->term, TTYC_MS))
1.383 nicm 2015: return;
1.106 nicm 2016:
1.383 nicm 2017: size = 4 * ((len + 2) / 3) + 1; /* storage for base64 */
2018: encoded = xmalloc(size);
1.106 nicm 2019:
1.383 nicm 2020: b64_ntop(buf, len, encoded, size);
2021: tty_putcode_ptr2(tty, TTYC_MS, "", encoded);
1.398 nicm 2022: tty->client->redraw = EVBUFFER_LENGTH(tty->out);
1.106 nicm 2023:
1.383 nicm 2024: free(encoded);
1.100 nicm 2025: }
2026:
2027: void
2028: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
2029: {
1.256 nicm 2030: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 2031: tty_invalidate(tty);
1.348 nicm 2032: }
2033:
2034: void
1.402 nicm 2035: tty_cmd_syncstart(struct tty *tty, const struct tty_ctx *ctx)
1.348 nicm 2036: {
1.402 nicm 2037: if (ctx->num == 0x11) {
2038: /*
1.403 nicm 2039: * This is an overlay and a command that moves the cursor so
1.402 nicm 2040: * start synchronized updates.
2041: */
2042: tty_sync_start(tty);
2043: } else if (~ctx->num & 0x10) {
2044: /*
2045: * This is a pane. If there is an overlay, always start;
2046: * otherwise, only if requested.
2047: */
2048: if (ctx->num || tty->client->overlay_draw != NULL)
2049: tty_sync_start(tty);
2050: }
1.1 nicm 2051: }
2052:
1.377 nicm 2053: void
1.373 nicm 2054: tty_cell(struct tty *tty, const struct grid_cell *gc,
1.399 nicm 2055: const struct grid_cell *defaults, struct colour_palette *palette)
1.1 nicm 2056: {
1.298 nicm 2057: const struct grid_cell *gcp;
1.1 nicm 2058:
2059: /* Skip last character if terminal is stupid. */
1.382 nicm 2060: if ((tty->term->flags & TERM_NOAM) &&
1.211 nicm 2061: tty->cy == tty->sy - 1 &&
2062: tty->cx == tty->sx - 1)
1.1 nicm 2063: return;
2064:
2065: /* If this is a padding character, do nothing. */
2066: if (gc->flags & GRID_FLAG_PADDING)
2067: return;
2068:
1.377 nicm 2069: /* Check the output codeset and apply attributes. */
2070: gcp = tty_check_codeset(tty, gc);
2071: tty_attributes(tty, gcp, defaults, palette);
1.1 nicm 2072:
1.377 nicm 2073: /* If it is a single character, write with putc to handle ACS. */
1.298 nicm 2074: if (gcp->data.size == 1) {
1.377 nicm 2075: tty_attributes(tty, gcp, defaults, palette);
1.298 nicm 2076: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 2077: return;
1.298 nicm 2078: tty_putc(tty, *gcp->data.data);
1.1 nicm 2079: return;
2080: }
2081:
1.147 nicm 2082: /* Write the data. */
1.298 nicm 2083: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 2084: }
2085:
2086: void
2087: tty_reset(struct tty *tty)
2088: {
2089: struct grid_cell *gc = &tty->cell;
2090:
1.228 nicm 2091: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 2092: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 2093: tty_putcode(tty, TTYC_RMACS);
2094: tty_putcode(tty, TTYC_SGR0);
2095: memcpy(gc, &grid_default_cell, sizeof *gc);
2096: }
2097: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1.242 nicm 2098: }
2099:
2100: static void
2101: tty_invalidate(struct tty *tty)
2102: {
2103: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
2104: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
2105:
2106: tty->cx = tty->cy = UINT_MAX;
2107: tty->rupper = tty->rleft = UINT_MAX;
2108: tty->rlower = tty->rright = UINT_MAX;
2109:
2110: if (tty->flags & TTY_STARTED) {
1.330 nicm 2111: if (tty_use_margin(tty))
1.365 nicm 2112: tty_putcode(tty, TTYC_ENMG);
1.242 nicm 2113: tty_putcode(tty, TTYC_SGR0);
2114:
2115: tty->mode = ALL_MODES;
2116: tty_update_mode(tty, MODE_CURSOR, NULL);
2117:
2118: tty_cursor(tty, 0, 0);
2119: tty_region_off(tty);
2120: tty_margin_off(tty);
2121: } else
2122: tty->mode = MODE_CURSOR;
1.1 nicm 2123: }
2124:
1.214 nicm 2125: /* Turn off margin. */
2126: void
2127: tty_region_off(struct tty *tty)
2128: {
2129: tty_region(tty, 0, tty->sy - 1);
2130: }
2131:
1.40 nicm 2132: /* Set region inside pane. */
1.208 nicm 2133: static void
1.196 nicm 2134: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
2135: u_int rlower)
1.1 nicm 2136: {
1.372 nicm 2137: tty_region(tty, ctx->yoff + rupper - ctx->woy,
2138: ctx->yoff + rlower - ctx->woy);
1.39 nicm 2139: }
2140:
1.40 nicm 2141: /* Set region at absolute position. */
1.214 nicm 2142: static void
1.40 nicm 2143: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2144: {
2145: if (tty->rlower == rlower && tty->rupper == rupper)
2146: return;
1.1 nicm 2147: if (!tty_term_has(tty->term, TTYC_CSR))
2148: return;
1.39 nicm 2149:
2150: tty->rupper = rupper;
2151: tty->rlower = rlower;
1.55 nicm 2152:
2153: /*
2154: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2155: * 0,0 if it is beyond the last column (they do not reset their wrap
2156: * flag so further output causes a line feed). As a workaround, do an
2157: * explicit move to 0 first.
2158: */
1.353 nicm 2159: if (tty->cx >= tty->sx) {
2160: if (tty->cy == UINT_MAX)
2161: tty_cursor(tty, 0, 0);
2162: else
2163: tty_cursor(tty, 0, tty->cy);
2164: }
1.42 nicm 2165:
1.39 nicm 2166: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2167: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2168: }
2169:
1.214 nicm 2170: /* Turn off margin. */
2171: void
2172: tty_margin_off(struct tty *tty)
2173: {
2174: tty_margin(tty, 0, tty->sx - 1);
2175: }
2176:
1.212 nicm 2177: /* Set margin inside pane. */
2178: static void
2179: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2180: {
1.372 nicm 2181: tty_margin(tty, ctx->xoff - ctx->wox,
1.373 nicm 2182: ctx->xoff + ctx->sx - 1 - ctx->wox);
1.212 nicm 2183: }
2184:
2185: /* Set margin at absolute position. */
1.214 nicm 2186: static void
1.212 nicm 2187: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2188: {
2189: if (!tty_use_margin(tty))
2190: return;
2191: if (tty->rleft == rleft && tty->rright == rright)
2192: return;
2193:
1.232 nicm 2194: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2195:
1.212 nicm 2196: tty->rleft = rleft;
2197: tty->rright = rright;
2198:
1.232 nicm 2199: if (rleft == 0 && rright == tty->sx - 1)
1.365 nicm 2200: tty_putcode(tty, TTYC_CLMG);
1.232 nicm 2201: else
1.365 nicm 2202: tty_putcode2(tty, TTYC_CMG, rleft, rright);
1.249 nicm 2203: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2204: }
2205:
2206: /*
2207: * Move the cursor, unless it would wrap itself when the next character is
2208: * printed.
2209: */
2210: static void
2211: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2212: u_int cx, u_int cy)
2213: {
1.268 nicm 2214: if (!ctx->wrapped ||
1.372 nicm 2215: !tty_full_width(tty, ctx) ||
1.382 nicm 2216: (tty->term->flags & TERM_NOAM) ||
1.253 nicm 2217: ctx->xoff + cx != 0 ||
2218: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2219: tty->cx < tty->sx ||
2220: tty->cy == tty->rlower)
1.253 nicm 2221: tty_cursor_pane(tty, ctx, cx, cy);
2222: else
2223: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2224: }
2225:
1.42 nicm 2226: /* Move cursor inside pane. */
1.208 nicm 2227: static void
1.41 nicm 2228: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2229: {
1.372 nicm 2230: tty_cursor(tty, ctx->xoff + cx - ctx->wox, ctx->yoff + cy - ctx->woy);
1.41 nicm 2231: }
2232:
1.42 nicm 2233: /* Move cursor to absolute position. */
1.41 nicm 2234: void
2235: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2236: {
1.42 nicm 2237: struct tty_term *term = tty->term;
2238: u_int thisx, thisy;
2239: int change;
1.354 nicm 2240:
2241: if (tty->flags & TTY_BLOCK)
2242: return;
1.77 nicm 2243:
1.42 nicm 2244: if (cx > tty->sx - 1)
2245: cx = tty->sx - 1;
2246:
2247: thisx = tty->cx;
2248: thisy = tty->cy;
2249:
2250: /* No change. */
2251: if (cx == thisx && cy == thisy)
2252: return;
2253:
1.43 nicm 2254: /* Very end of the line, just use absolute movement. */
2255: if (thisx > tty->sx - 1)
2256: goto absolute;
2257:
1.42 nicm 2258: /* Move to home position (0, 0). */
2259: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2260: tty_putcode(tty, TTYC_HOME);
2261: goto out;
2262: }
2263:
2264: /* Zero on the next line. */
1.293 nicm 2265: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2266: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2267: tty_putc(tty, '\r');
1.42 nicm 2268: tty_putc(tty, '\n');
2269: goto out;
2270: }
2271:
1.45 nicm 2272: /* Moving column or row. */
1.42 nicm 2273: if (cy == thisy) {
1.45 nicm 2274: /*
2275: * Moving column only, row staying the same.
2276: */
2277:
1.42 nicm 2278: /* To left edge. */
1.294 nicm 2279: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2280: tty_putc(tty, '\r');
2281: goto out;
2282: }
2283:
2284: /* One to the left. */
2285: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2286: tty_putcode(tty, TTYC_CUB1);
2287: goto out;
2288: }
2289:
2290: /* One to the right. */
2291: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2292: tty_putcode(tty, TTYC_CUF1);
2293: goto out;
2294: }
2295:
2296: /* Calculate difference. */
2297: change = thisx - cx; /* +ve left, -ve right */
2298:
2299: /*
2300: * Use HPA if change is larger than absolute, otherwise move
2301: * the cursor with CUB/CUF.
2302: */
1.87 nicm 2303: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2304: tty_putcode1(tty, TTYC_HPA, cx);
2305: goto out;
1.333 nicm 2306: } else if (change > 0 &&
2307: tty_term_has(term, TTYC_CUB) &&
2308: !tty_use_margin(tty)) {
1.202 nicm 2309: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2310: tty_putcode(tty, TTYC_CUB1);
2311: tty_putcode(tty, TTYC_CUB1);
2312: goto out;
2313: }
1.42 nicm 2314: tty_putcode1(tty, TTYC_CUB, change);
2315: goto out;
1.333 nicm 2316: } else if (change < 0 &&
2317: tty_term_has(term, TTYC_CUF) &&
2318: !tty_use_margin(tty)) {
1.42 nicm 2319: tty_putcode1(tty, TTYC_CUF, -change);
2320: goto out;
2321: }
1.45 nicm 2322: } else if (cx == thisx) {
2323: /*
2324: * Moving row only, column staying the same.
2325: */
1.42 nicm 2326:
2327: /* One above. */
1.77 nicm 2328: if (thisy != tty->rupper &&
1.42 nicm 2329: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2330: tty_putcode(tty, TTYC_CUU1);
2331: goto out;
2332: }
2333:
2334: /* One below. */
1.49 nicm 2335: if (thisy != tty->rlower &&
1.42 nicm 2336: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2337: tty_putcode(tty, TTYC_CUD1);
2338: goto out;
2339: }
2340:
2341: /* Calculate difference. */
2342: change = thisy - cy; /* +ve up, -ve down */
2343:
2344: /*
1.77 nicm 2345: * Try to use VPA if change is larger than absolute or if this
2346: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2347: */
1.87 nicm 2348: if ((u_int) abs(change) > cy ||
1.42 nicm 2349: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2350: (change > 0 && cy - change < tty->rupper)) {
2351: if (tty_term_has(term, TTYC_VPA)) {
2352: tty_putcode1(tty, TTYC_VPA, cy);
2353: goto out;
2354: }
1.42 nicm 2355: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2356: tty_putcode1(tty, TTYC_CUU, change);
2357: goto out;
2358: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2359: tty_putcode1(tty, TTYC_CUD, -change);
2360: goto out;
2361: }
2362: }
2363:
1.43 nicm 2364: absolute:
1.42 nicm 2365: /* Absolute movement. */
2366: tty_putcode2(tty, TTYC_CUP, cy, cx);
2367:
2368: out:
2369: tty->cx = cx;
2370: tty->cy = cy;
1.1 nicm 2371: }
2372:
2373: void
1.176 nicm 2374: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.399 nicm 2375: const struct grid_cell *defaults, struct colour_palette *palette)
1.1 nicm 2376: {
1.63 nicm 2377: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2378: int changed;
1.61 nicm 2379:
1.373 nicm 2380: /* Copy cell and update default colours. */
2381: memcpy(&gc2, gc, sizeof gc2);
1.399 nicm 2382: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2383: if (gc2.fg == 8)
2384: gc2.fg = defaults->fg;
2385: if (gc2.bg == 8)
2386: gc2.bg = defaults->bg;
2387: }
1.373 nicm 2388:
1.228 nicm 2389: /* Ignore cell if it is the same as the last one. */
1.373 nicm 2390: if (gc2.attr == tty->last_cell.attr &&
2391: gc2.fg == tty->last_cell.fg &&
2392: gc2.bg == tty->last_cell.bg &&
2393: gc2.us == tty->last_cell.us)
1.228 nicm 2394: return;
1.63 nicm 2395:
1.18 nicm 2396: /*
2397: * If no setab, try to use the reverse attribute as a best-effort for a
2398: * non-default background. This is a bit of a hack but it doesn't do
2399: * any serious harm and makes a couple of applications happier.
2400: */
2401: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2402: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2403: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2404: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2405: } else {
1.310 nicm 2406: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2407: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2408: }
2409: }
1.1 nicm 2410:
1.85 nicm 2411: /* Fix up the colours if necessary. */
1.373 nicm 2412: tty_check_fg(tty, palette, &gc2);
2413: tty_check_bg(tty, palette, &gc2);
2414: tty_check_us(tty, palette, &gc2);
1.85 nicm 2415:
1.328 nicm 2416: /*
2417: * If any bits are being cleared or the underline colour is now default,
2418: * reset everything.
2419: */
2420: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2421: tty_reset(tty);
2422:
2423: /*
2424: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2425: * may add to (NOT remove) the desired attributes.
1.64 nicm 2426: */
1.85 nicm 2427: tty_colours(tty, &gc2);
1.64 nicm 2428:
1.1 nicm 2429: /* Filter out attribute bits already set. */
1.85 nicm 2430: changed = gc2.attr & ~tc->attr;
2431: tc->attr = gc2.attr;
1.1 nicm 2432:
2433: /* Set the attributes. */
2434: if (changed & GRID_ATTR_BRIGHT)
2435: tty_putcode(tty, TTYC_BOLD);
2436: if (changed & GRID_ATTR_DIM)
2437: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2438: if (changed & GRID_ATTR_ITALICS)
2439: tty_set_italics(tty);
1.308 nicm 2440: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2441: if ((changed & GRID_ATTR_UNDERSCORE) ||
2442: !tty_term_has(tty->term, TTYC_SMULX))
2443: tty_putcode(tty, TTYC_SMUL);
2444: else if (changed & GRID_ATTR_UNDERSCORE_2)
2445: tty_putcode1(tty, TTYC_SMULX, 2);
2446: else if (changed & GRID_ATTR_UNDERSCORE_3)
2447: tty_putcode1(tty, TTYC_SMULX, 3);
2448: else if (changed & GRID_ATTR_UNDERSCORE_4)
2449: tty_putcode1(tty, TTYC_SMULX, 4);
2450: else if (changed & GRID_ATTR_UNDERSCORE_5)
2451: tty_putcode1(tty, TTYC_SMULX, 5);
2452: }
1.1 nicm 2453: if (changed & GRID_ATTR_BLINK)
2454: tty_putcode(tty, TTYC_BLINK);
2455: if (changed & GRID_ATTR_REVERSE) {
2456: if (tty_term_has(tty->term, TTYC_REV))
2457: tty_putcode(tty, TTYC_REV);
2458: else if (tty_term_has(tty->term, TTYC_SMSO))
2459: tty_putcode(tty, TTYC_SMSO);
2460: }
2461: if (changed & GRID_ATTR_HIDDEN)
2462: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2463: if (changed & GRID_ATTR_STRIKETHROUGH)
2464: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2465: if (changed & GRID_ATTR_OVERLINE)
2466: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2467: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2468: tty_putcode(tty, TTYC_SMACS);
1.373 nicm 2469:
2470: memcpy(&tty->last_cell, &gc2, sizeof tty->last_cell);
1.1 nicm 2471: }
2472:
1.207 nicm 2473: static void
1.85 nicm 2474: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2475: {
1.61 nicm 2476: struct grid_cell *tc = &tty->cell;
1.204 nicm 2477: int have_ax;
1.61 nicm 2478:
2479: /* No changes? Nothing is necessary. */
1.328 nicm 2480: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2481: return;
1.1 nicm 2482:
1.61 nicm 2483: /*
2484: * Is either the default colour? This is handled specially because the
2485: * best solution might be to reset both colours to default, in which
2486: * case if only one is default need to fall onward to set the other
2487: * colour.
2488: */
1.310 nicm 2489: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2490: /*
2491: * If don't have AX but do have op, send sgr0 (op can't
2492: * actually be used because it is sometimes the same as sgr0
2493: * and sometimes isn't). This resets both colours to default.
2494: *
2495: * Otherwise, try to set the default colour only as needed.
2496: */
1.174 nicm 2497: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2498: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2499: tty_reset(tty);
2500: else {
1.310 nicm 2501: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2502: if (have_ax)
2503: tty_puts(tty, "\033[39m");
1.204 nicm 2504: else if (tc->fg != 7)
1.61 nicm 2505: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2506: tc->fg = gc->fg;
1.61 nicm 2507: }
1.310 nicm 2508: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2509: if (have_ax)
1.61 nicm 2510: tty_puts(tty, "\033[49m");
1.204 nicm 2511: else if (tc->bg != 0)
1.61 nicm 2512: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2513: tc->bg = gc->bg;
1.61 nicm 2514: }
2515: }
2516: }
1.1 nicm 2517:
1.61 nicm 2518: /* Set the foreground colour. */
1.310 nicm 2519: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2520: tty_colours_fg(tty, gc);
1.1 nicm 2521:
1.61 nicm 2522: /*
2523: * Set the background colour. This must come after the foreground as
2524: * tty_colour_fg() can call tty_reset().
2525: */
1.310 nicm 2526: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2527: tty_colours_bg(tty, gc);
1.328 nicm 2528:
1.399 nicm 2529: /* Set the underscore colour. */
1.328 nicm 2530: if (gc->us != tc->us)
2531: tty_colours_us(tty, gc);
1.1 nicm 2532: }
2533:
1.219 nicm 2534: static void
1.399 nicm 2535: tty_check_fg(struct tty *tty, struct colour_palette *palette,
2536: struct grid_cell *gc)
1.85 nicm 2537: {
1.204 nicm 2538: u_char r, g, b;
2539: u_int colours;
1.223 nicm 2540: int c;
1.85 nicm 2541:
1.288 nicm 2542: /*
2543: * Perform substitution if this pane has a palette. If the bright
2544: * attribute is set, use the bright entry in the palette by changing to
2545: * the aixterm colour.
2546: */
2547: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2548: c = gc->fg;
1.289 nicm 2549: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2550: c += 90;
1.399 nicm 2551: if ((c = colour_palette_get(palette, c)) != -1)
1.288 nicm 2552: gc->fg = c;
2553: }
1.219 nicm 2554:
1.199 nicm 2555: /* Is this a 24-bit colour? */
1.204 nicm 2556: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2557: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2558: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2559: return;
1.341 nicm 2560: colour_split_rgb(gc->fg, &r, &g, &b);
2561: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2562: }
1.224 nicm 2563:
2564: /* How many colours does this terminal have? */
1.359 nicm 2565: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2566: colours = 256;
2567: else
2568: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2569:
1.85 nicm 2570: /* Is this a 256-colour colour? */
1.204 nicm 2571: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2572: /* And not a 256 colour mode? */
1.387 nicm 2573: if (colours < 256) {
1.85 nicm 2574: gc->fg = colour_256to16(gc->fg);
2575: if (gc->fg & 8) {
2576: gc->fg &= 7;
1.175 nicm 2577: if (colours >= 16)
2578: gc->fg += 90;
1.332 nicm 2579: }
1.85 nicm 2580: }
2581: return;
2582: }
2583:
2584: /* Is this an aixterm colour? */
2585: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2586: gc->fg -= 90;
2587: gc->attr |= GRID_ATTR_BRIGHT;
2588: }
2589: }
2590:
1.219 nicm 2591: static void
1.399 nicm 2592: tty_check_bg(struct tty *tty, struct colour_palette *palette,
2593: struct grid_cell *gc)
1.85 nicm 2594: {
1.204 nicm 2595: u_char r, g, b;
2596: u_int colours;
1.223 nicm 2597: int c;
1.85 nicm 2598:
1.288 nicm 2599: /* Perform substitution if this pane has a palette. */
2600: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2601: if ((c = colour_palette_get(palette, gc->bg)) != -1)
1.288 nicm 2602: gc->bg = c;
2603: }
1.219 nicm 2604:
1.199 nicm 2605: /* Is this a 24-bit colour? */
1.204 nicm 2606: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2607: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2608: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2609: return;
1.341 nicm 2610: colour_split_rgb(gc->bg, &r, &g, &b);
2611: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2612: }
1.224 nicm 2613:
2614: /* How many colours does this terminal have? */
1.359 nicm 2615: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2616: colours = 256;
2617: else
2618: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2619:
1.85 nicm 2620: /* Is this a 256-colour colour? */
1.204 nicm 2621: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2622: /*
2623: * And not a 256 colour mode? Translate to 16-colour
2624: * palette. Bold background doesn't exist portably, so just
2625: * discard the bold bit if set.
2626: */
1.387 nicm 2627: if (colours < 256) {
1.85 nicm 2628: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2629: if (gc->bg & 8) {
1.85 nicm 2630: gc->bg &= 7;
1.175 nicm 2631: if (colours >= 16)
1.322 nicm 2632: gc->bg += 90;
1.175 nicm 2633: }
1.85 nicm 2634: }
2635: return;
2636: }
2637:
2638: /* Is this an aixterm colour? */
1.175 nicm 2639: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2640: gc->bg -= 90;
2641: }
2642:
1.207 nicm 2643: static void
1.399 nicm 2644: tty_check_us(__unused struct tty *tty, struct colour_palette *palette,
2645: struct grid_cell *gc)
1.328 nicm 2646: {
2647: int c;
2648:
2649: /* Perform substitution if this pane has a palette. */
2650: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2651: if ((c = colour_palette_get(palette, gc->us)) != -1)
1.328 nicm 2652: gc->us = c;
2653: }
2654:
2655: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2656: if (gc->us & COLOUR_FLAG_256)
2657: gc->us = colour_256toRGB (gc->us);
2658: }
2659:
2660: static void
1.85 nicm 2661: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2662: {
1.61 nicm 2663: struct grid_cell *tc = &tty->cell;
1.79 nicm 2664: char s[32];
1.1 nicm 2665:
1.204 nicm 2666: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2667: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2668: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.385 nicm 2669: goto save;
1.199 nicm 2670: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2671: return;
1.1 nicm 2672: }
2673:
1.79 nicm 2674: /* Is this an aixterm bright colour? */
1.204 nicm 2675: if (gc->fg >= 90 && gc->fg <= 97) {
1.359 nicm 2676: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2677: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2678: tty_puts(tty, s);
2679: } else
2680: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.385 nicm 2681: goto save;
1.79 nicm 2682: }
2683:
1.61 nicm 2684: /* Otherwise set the foreground colour. */
1.204 nicm 2685: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2686:
1.385 nicm 2687: save:
1.61 nicm 2688: /* Save the new values in the terminal current cell. */
1.204 nicm 2689: tc->fg = gc->fg;
1.1 nicm 2690: }
2691:
1.207 nicm 2692: static void
1.73 nicm 2693: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2694: {
1.61 nicm 2695: struct grid_cell *tc = &tty->cell;
1.79 nicm 2696: char s[32];
1.1 nicm 2697:
1.204 nicm 2698: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2699: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2700: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.385 nicm 2701: goto save;
1.199 nicm 2702: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2703: return;
1.79 nicm 2704: }
2705:
2706: /* Is this an aixterm bright colour? */
1.204 nicm 2707: if (gc->bg >= 90 && gc->bg <= 97) {
1.359 nicm 2708: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2709: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2710: tty_puts(tty, s);
2711: } else
2712: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.385 nicm 2713: goto save;
1.1 nicm 2714: }
2715:
1.61 nicm 2716: /* Otherwise set the background colour. */
1.204 nicm 2717: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2718:
1.385 nicm 2719: save:
1.61 nicm 2720: /* Save the new values in the terminal current cell. */
1.204 nicm 2721: tc->bg = gc->bg;
1.328 nicm 2722: }
2723:
2724: static void
2725: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2726: {
2727: struct grid_cell *tc = &tty->cell;
2728: u_int c;
2729: u_char r, g, b;
2730:
1.385 nicm 2731: /* Clear underline colour. */
2732: if (gc->us == 0) {
2733: tty_putcode(tty, TTYC_OL);
2734: goto save;
2735: }
2736:
1.328 nicm 2737: /* Must be an RGB colour - this should never happen. */
2738: if (~gc->us & COLOUR_FLAG_RGB)
2739: return;
2740:
2741: /*
1.385 nicm 2742: * Setulc and setal follows the ncurses(3) one argument "direct colour"
1.328 nicm 2743: * capability format. Calculate the colour value.
2744: */
2745: colour_split_rgb(gc->us, &r, &g, &b);
2746: c = (65536 * r) + (256 * g) + b;
2747:
1.385 nicm 2748: /*
2749: * Write the colour. Only use setal if the RGB flag is set because the
2750: * non-RGB version may be wrong.
2751: */
2752: if (tty_term_has(tty->term, TTYC_SETULC))
2753: tty_putcode1(tty, TTYC_SETULC, c);
2754: else if (tty_term_has(tty->term, TTYC_SETAL) &&
2755: tty_term_has(tty->term, TTYC_RGB))
2756: tty_putcode1(tty, TTYC_SETAL, c);
1.328 nicm 2757:
1.385 nicm 2758: save:
1.328 nicm 2759: /* Save the new values in the terminal current cell. */
2760: tc->us = gc->us;
1.61 nicm 2761: }
2762:
1.207 nicm 2763: static int
1.204 nicm 2764: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2765: {
1.204 nicm 2766: u_char r, g, b;
1.61 nicm 2767:
1.204 nicm 2768: if (colour & COLOUR_FLAG_256) {
1.359 nicm 2769: if (*type == '3' && tty_term_has(tty->term, TTYC_SETAF))
2770: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2771: else if (tty_term_has(tty->term, TTYC_SETAB))
2772: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2773: return (0);
1.204 nicm 2774: }
2775:
2776: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2777: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.359 nicm 2778: if (*type == '3' && tty_term_has(tty->term, TTYC_SETRGBF))
1.286 nicm 2779: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
1.359 nicm 2780: else if (tty_term_has(tty->term, TTYC_SETRGBB))
1.286 nicm 2781: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
1.165 nicm 2782: return (0);
2783: }
1.61 nicm 2784:
1.165 nicm 2785: return (-1);
1.176 nicm 2786: }
2787:
1.207 nicm 2788: static void
1.371 nicm 2789: tty_window_default_style(struct grid_cell *gc, struct window_pane *wp)
2790: {
2791: memcpy(gc, &grid_default_cell, sizeof *gc);
1.399 nicm 2792: gc->fg = wp->palette.fg;
2793: gc->bg = wp->palette.bg;
1.371 nicm 2794: }
2795:
1.373 nicm 2796: void
1.317 nicm 2797: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2798: {
1.400 nicm 2799: struct options *oo = wp->options;
2800: struct format_tree *ft;
1.373 nicm 2801:
2802: memcpy(gc, &grid_default_cell, sizeof *gc);
1.326 nicm 2803:
2804: if (wp->flags & PANE_STYLECHANGED) {
1.400 nicm 2805: log_debug("%%%u: style changed", wp->id);
1.326 nicm 2806: wp->flags &= ~PANE_STYLECHANGED;
1.371 nicm 2807:
1.400 nicm 2808: ft = format_create(NULL, NULL, FORMAT_PANE|wp->id,
2809: FORMAT_NOJOBS);
2810: format_defaults(ft, NULL, NULL, NULL, wp);
1.371 nicm 2811: tty_window_default_style(&wp->cached_active_gc, wp);
1.400 nicm 2812: style_add(&wp->cached_active_gc, oo, "window-active-style", ft);
1.371 nicm 2813: tty_window_default_style(&wp->cached_gc, wp);
1.400 nicm 2814: style_add(&wp->cached_gc, oo, "window-style", ft);
2815: format_free(ft);
1.203 nicm 2816: }
1.176 nicm 2817:
1.204 nicm 2818: if (gc->fg == 8) {
1.370 nicm 2819: if (wp == wp->window->active && wp->cached_active_gc.fg != 8)
2820: gc->fg = wp->cached_active_gc.fg;
1.204 nicm 2821: else
1.370 nicm 2822: gc->fg = wp->cached_gc.fg;
1.176 nicm 2823: }
2824:
1.204 nicm 2825: if (gc->bg == 8) {
1.370 nicm 2826: if (wp == wp->window->active && wp->cached_active_gc.bg != 8)
2827: gc->bg = wp->cached_active_gc.bg;
1.204 nicm 2828: else
1.370 nicm 2829: gc->bg = wp->cached_gc.bg;
1.176 nicm 2830: }
1.210 nicm 2831: }
2832:
2833: static void
1.373 nicm 2834: tty_default_attributes(struct tty *tty, const struct grid_cell *defaults,
1.399 nicm 2835: struct colour_palette *palette, u_int bg)
1.210 nicm 2836: {
1.373 nicm 2837: struct grid_cell gc;
1.210 nicm 2838:
2839: memcpy(&gc, &grid_default_cell, sizeof gc);
2840: gc.bg = bg;
1.373 nicm 2841: tty_attributes(tty, &gc, defaults, palette);
1.1 nicm 2842: }
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