Annotation of src/usr.bin/tmux/tty.c, Revision 1.402
1.402 ! nicm 1: /* $OpenBSD: tty.c,v 1.401 2021/08/13 18:54:54 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)
317: tcflush(c->fd, TCIOFLUSH);
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:
661: void
662: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 663: {
1.391 nicm 664: struct client *c = tty->client;
665: int changed;
666: enum screen_cursor_style cstyle = tty->cstyle;
1.107 nicm 667:
1.1 nicm 668: if (tty->flags & TTY_NOCURSOR)
669: mode &= ~MODE_CURSOR;
670:
671: changed = mode ^ tty->mode;
1.392 nicm 672: if (log_get_level() != 0 && changed != 0) {
673: log_debug("%s: current mode %s", c->name,
674: screen_mode_to_string(tty->mode));
675: log_debug("%s: setting mode %s", c->name,
676: screen_mode_to_string(mode));
677: }
1.344 nicm 678:
1.391 nicm 679: if (s != NULL) {
680: if (strcmp(s->ccolour, tty->ccolour) != 0)
681: tty_force_cursor_colour(tty, s->ccolour);
682: cstyle = s->cstyle;
683: }
684: if (~mode & MODE_CURSOR) {
685: /* Cursor now off - set as invisible. */
686: if (changed & MODE_CURSOR)
687: tty_putcode(tty, TTYC_CIVIS);
688: } else if ((changed & (MODE_CURSOR|MODE_BLINKING)) ||
689: cstyle != tty->cstyle) {
690: /*
691: * Cursor now on, blinking flag changed or style changed. Start
692: * by setting the cursor to normal.
693: */
694: tty_putcode(tty, TTYC_CNORM);
695: switch (cstyle) {
696: case SCREEN_CURSOR_DEFAULT:
697: /*
698: * If the old style wasn't default, then reset it to
699: * default.
700: */
701: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
702: if (tty_term_has(tty->term, TTYC_SE))
703: tty_putcode(tty, TTYC_SE);
704: else
705: tty_putcode1(tty, TTYC_SS, 0);
706: }
1.390 nicm 707:
1.391 nicm 708: /* Set the cursor as very visible if necessary. */
709: if (mode & MODE_BLINKING)
710: tty_putcode(tty, TTYC_CVVIS);
711: break;
712: case SCREEN_CURSOR_BLOCK:
713: /*
714: * Set style to either block blinking (1) or steady (2)
715: * if supported, otherwise just check the blinking
716: * flag.
717: */
718: if (tty_term_has(tty->term, TTYC_SS)) {
719: if (mode & MODE_BLINKING)
720: tty_putcode1(tty, TTYC_SS, 1);
721: else
722: tty_putcode1(tty, TTYC_SS, 2);
723: } else if (mode & MODE_BLINKING)
724: tty_putcode(tty, TTYC_CVVIS);
725: break;
726: case SCREEN_CURSOR_UNDERLINE:
727: /*
728: * Set style to either underline blinking (3) or steady
729: * (4) if supported, otherwise just check the blinking
730: * flag.
731: */
732: if (tty_term_has(tty->term, TTYC_SS)) {
733: if (mode & MODE_BLINKING)
734: tty_putcode1(tty, TTYC_SS, 3);
735: else
736: tty_putcode1(tty, TTYC_SS, 4);
737: } else if (mode & MODE_BLINKING)
738: tty_putcode(tty, TTYC_CVVIS);
739: break;
740: case SCREEN_CURSOR_BAR:
741: /*
742: * Set style to either bar blinking (5) or steady (6)
743: * if supported, otherwise just check the blinking
744: * flag.
745: */
746: if (tty_term_has(tty->term, TTYC_SS)) {
747: if (mode & MODE_BLINKING)
748: tty_putcode1(tty, TTYC_SS, 5);
749: else
750: tty_putcode1(tty, TTYC_SS, 6);
751: } else if (mode & MODE_BLINKING)
1.390 nicm 752: tty_putcode(tty, TTYC_CVVIS);
1.391 nicm 753: break;
754: }
755: tty->cstyle = cstyle;
1.390 nicm 756: }
757:
1.344 nicm 758: if ((changed & ALL_MOUSE_MODES) &&
759: tty_term_has(tty->term, TTYC_KMOUS)) {
1.386 nicm 760: /*
761: * If the mouse modes have changed, clear any that are set and
762: * apply again. There are differences in how terminals track
763: * the various bits.
764: */
765: if (tty->mode & MODE_MOUSE_SGR)
1.344 nicm 766: tty_puts(tty, "\033[?1006l");
1.386 nicm 767: if (tty->mode & MODE_MOUSE_STANDARD)
1.344 nicm 768: tty_puts(tty, "\033[?1000l");
1.386 nicm 769: if (tty->mode & MODE_MOUSE_BUTTON)
1.344 nicm 770: tty_puts(tty, "\033[?1002l");
1.386 nicm 771: if (tty->mode & MODE_MOUSE_ALL)
1.344 nicm 772: tty_puts(tty, "\033[?1003l");
773: if (mode & ALL_MOUSE_MODES)
1.153 nicm 774: tty_puts(tty, "\033[?1006h");
1.386 nicm 775: if (mode & MODE_MOUSE_STANDARD)
1.344 nicm 776: tty_puts(tty, "\033[?1000h");
1.386 nicm 777: if (mode & MODE_MOUSE_BUTTON)
1.344 nicm 778: tty_puts(tty, "\033[?1002h");
1.386 nicm 779: if (mode & MODE_MOUSE_ALL)
1.344 nicm 780: tty_puts(tty, "\033[?1003h");
1.115 nicm 781: }
782: if (changed & MODE_BRACKETPASTE) {
783: if (mode & MODE_BRACKETPASTE)
1.366 nicm 784: tty_putcode(tty, TTYC_ENBP);
1.115 nicm 785: else
1.366 nicm 786: tty_putcode(tty, TTYC_DSBP);
1.1 nicm 787: }
788: tty->mode = mode;
789: }
790:
1.207 nicm 791: static void
1.168 nicm 792: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
793: enum tty_code_code code1, u_int n)
1.1 nicm 794: {
795: if (tty_term_has(tty->term, code))
796: tty_putcode1(tty, code, n);
797: else {
798: while (n-- > 0)
799: tty_putcode(tty, code1);
800: }
801: }
802:
1.207 nicm 803: static void
1.133 nicm 804: tty_repeat_space(struct tty *tty, u_int n)
805: {
1.257 nicm 806: static char s[500];
807:
808: if (*s != ' ')
809: memset(s, ' ', sizeof s);
810:
811: while (n > sizeof s) {
812: tty_putn(tty, s, sizeof s, sizeof s);
813: n -= sizeof s;
814: }
815: if (n != 0)
816: tty_putn(tty, s, n, n);
1.304 nicm 817: }
818:
1.309 nicm 819: /* Is this window bigger than the terminal? */
820: int
821: tty_window_bigger(struct tty *tty)
822: {
823: struct client *c = tty->client;
824: struct window *w = c->session->curw->window;
825:
826: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
827: }
828:
829: /* What offset should this window be drawn at? */
830: int
831: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
832: {
833: *ox = tty->oox;
834: *oy = tty->ooy;
835: *sx = tty->osx;
836: *sy = tty->osy;
837:
838: return (tty->oflag);
839: }
840:
841: /* What offset should this window be drawn at? */
842: static int
843: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
844: {
845: struct client *c = tty->client;
846: struct window *w = c->session->curw->window;
1.376 nicm 847: struct window_pane *wp = server_client_get_pane(c);
1.309 nicm 848: u_int cx, cy, lines;
849:
850: lines = status_line_size(c);
851:
852: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
853: *ox = 0;
854: *oy = 0;
855: *sx = w->sx;
856: *sy = w->sy;
857:
858: c->pan_window = NULL;
859: return (0);
860: }
861:
862: *sx = tty->sx;
863: *sy = tty->sy - lines;
864:
865: if (c->pan_window == w) {
866: if (*sx >= w->sx)
867: c->pan_ox = 0;
868: else if (c->pan_ox + *sx > w->sx)
869: c->pan_ox = w->sx - *sx;
870: *ox = c->pan_ox;
871: if (*sy >= w->sy)
872: c->pan_oy = 0;
873: else if (c->pan_oy + *sy > w->sy)
874: c->pan_oy = w->sy - *sy;
875: *oy = c->pan_oy;
876: return (1);
877: }
878:
879: if (~wp->screen->mode & MODE_CURSOR) {
880: *ox = 0;
881: *oy = 0;
882: } else {
883: cx = wp->xoff + wp->screen->cx;
884: cy = wp->yoff + wp->screen->cy;
885:
886: if (cx < *sx)
887: *ox = 0;
888: else if (cx > w->sx - *sx)
889: *ox = w->sx - *sx;
890: else
891: *ox = cx - *sx / 2;
892:
893: if (cy < *sy)
894: *oy = 0;
895: else if (cy > w->sy - *sy)
896: *oy = w->sy - *sy;
897: else
898: *oy = cy - *sy / 2;
899: }
900:
901: c->pan_window = NULL;
902: return (1);
903: }
904:
905: /* Update stored offsets for a window and redraw if necessary. */
906: void
907: tty_update_window_offset(struct window *w)
908: {
909: struct client *c;
910:
911: TAILQ_FOREACH(c, &clients, entry) {
912: if (c->session != NULL && c->session->curw->window == w)
913: tty_update_client_offset(c);
914: }
915: }
916:
917: /* Update stored offsets for a client and redraw if necessary. */
918: void
919: tty_update_client_offset(struct client *c)
1.304 nicm 920: {
1.309 nicm 921: u_int ox, oy, sx, sy;
1.314 nicm 922:
923: if (~c->flags & CLIENT_TERMINAL)
924: return;
1.304 nicm 925:
1.309 nicm 926: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
927: if (ox == c->tty.oox &&
928: oy == c->tty.ooy &&
929: sx == c->tty.osx &&
930: sy == c->tty.osy)
931: return;
932:
933: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
934: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
935: ox, oy, sx, sy);
936:
937: c->tty.oox = ox;
938: c->tty.ooy = oy;
939: c->tty.osx = sx;
940: c->tty.osy = sy;
941:
942: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 943: }
944:
1.1 nicm 945: /*
1.119 nicm 946: * Is the region large enough to be worth redrawing once later rather than
947: * probably several times now? Currently yes if it is more than 50% of the
948: * pane.
949: */
1.207 nicm 950: static int
1.194 nicm 951: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 952: {
1.372 nicm 953: return (ctx->orlower - ctx->orupper >= ctx->sy / 2);
1.119 nicm 954: }
955:
956: /*
1.176 nicm 957: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
958: * emulated.
959: */
1.207 nicm 960: static int
1.373 nicm 961: tty_fake_bce(const struct tty *tty, const struct grid_cell *gc, u_int bg)
1.176 nicm 962: {
1.210 nicm 963: if (tty_term_flag(tty->term, TTYC_BCE))
964: return (0);
1.373 nicm 965: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc->bg))
1.210 nicm 966: return (1);
967: return (0);
1.176 nicm 968: }
969:
970: /*
1.1 nicm 971: * Redraw scroll region using data from screen (already updated). Used when
972: * CSR not supported, or window is a pane that doesn't take up the full
973: * width of the terminal.
974: */
1.207 nicm 975: static void
1.24 nicm 976: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 977: {
1.358 nicm 978: struct client *c = tty->client;
1.204 nicm 979: u_int i;
1.1 nicm 980:
981: /*
1.373 nicm 982: * If region is large, schedule a redraw. In most cases this is likely
983: * to be followed by some more scrolling.
1.1 nicm 984: */
1.119 nicm 985: if (tty_large_region(tty, ctx)) {
1.373 nicm 986: log_debug("%s: %s large redraw", __func__, c->name);
987: ctx->redraw_cb(ctx);
1.1 nicm 988: return;
989: }
990:
1.393 nicm 991: for (i = ctx->orupper; i <= ctx->orlower; i++)
992: tty_draw_pane(tty, ctx, i);
1.1 nicm 993: }
994:
1.309 nicm 995: /* Is this position visible in the pane? */
996: static int
1.374 nicm 997: tty_is_visible(__unused struct tty *tty, const struct tty_ctx *ctx, u_int px,
998: u_int py, u_int nx, u_int ny)
1.309 nicm 999: {
1.374 nicm 1000: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1001:
1002: if (!ctx->bigger)
1003: return (1);
1004:
1.372 nicm 1005: if (xoff + nx <= ctx->wox || xoff >= ctx->wox + ctx->wsx ||
1.374 nicm 1006: yoff + ny <= ctx->woy || yoff >= ctx->woy + ctx->wsy)
1.309 nicm 1007: return (0);
1008: return (1);
1009: }
1010:
1011: /* Clamp line position to visible part of pane. */
1012: static int
1013: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1014: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
1015: {
1.373 nicm 1016: u_int xoff = ctx->rxoff + px;
1.309 nicm 1017:
1018: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
1019: return (0);
1.372 nicm 1020: *ry = ctx->yoff + py - ctx->woy;
1.309 nicm 1021:
1.372 nicm 1022: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1023: /* All visible. */
1024: *i = 0;
1.372 nicm 1025: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1026: *rx = nx;
1.372 nicm 1027: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1028: /* Both left and right not visible. */
1.372 nicm 1029: *i = ctx->wox;
1.309 nicm 1030: *x = 0;
1.372 nicm 1031: *rx = ctx->wsx;
1032: } else if (xoff < ctx->wox) {
1.309 nicm 1033: /* Left not visible. */
1.372 nicm 1034: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1035: *x = 0;
1036: *rx = nx - *i;
1037: } else {
1038: /* Right not visible. */
1039: *i = 0;
1.372 nicm 1040: *x = (ctx->xoff + px) - ctx->wox;
1041: *rx = ctx->wsx - *x;
1.309 nicm 1042: }
1043: if (*rx > nx)
1044: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1045:
1046: return (1);
1047: }
1048:
1049: /* Clear a line. */
1.271 nicm 1050: static void
1.373 nicm 1051: tty_clear_line(struct tty *tty, const struct grid_cell *defaults, u_int py,
1052: u_int px, u_int nx, u_int bg)
1.271 nicm 1053: {
1.309 nicm 1054: struct client *c = tty->client;
1.394 nicm 1055: u_int i;
1.309 nicm 1056:
1057: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1058:
1059: /* Nothing to clear. */
1060: if (nx == 0)
1061: return;
1062:
1063: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1064: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.271 nicm 1065: /* Off the end of the line, use EL if available. */
1066: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1067: tty_cursor(tty, px, py);
1068: tty_putcode(tty, TTYC_EL);
1069: return;
1070: }
1071:
1072: /* At the start of the line. Use EL1. */
1073: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1074: tty_cursor(tty, px + nx - 1, py);
1075: tty_putcode(tty, TTYC_EL1);
1076: return;
1077: }
1078:
1079: /* Section of line. Use ECH if possible. */
1080: if (tty_term_has(tty->term, TTYC_ECH)) {
1081: tty_cursor(tty, px, py);
1082: tty_putcode1(tty, TTYC_ECH, nx);
1083: return;
1084: }
1085: }
1086:
1.394 nicm 1087: /*
1088: * Couldn't use an escape sequence, use spaces. Clear only the visible
1089: * bit if there is an overlay.
1090: */
1091: for (i = 0; i < nx; i++) {
1092: if (!tty_check_overlay(tty, px + i, py))
1093: break;
1094: }
1.272 nicm 1095: tty_cursor(tty, px, py);
1.394 nicm 1096: tty_repeat_space(tty, i);
1097: for (; i < nx; i++) {
1098: if (tty_check_overlay(tty, px + i, py))
1099: break;
1100: }
1101: tty_cursor(tty, px + i, py);
1102: tty_repeat_space(tty, nx - i);
1.271 nicm 1103: }
1104:
1.309 nicm 1105: /* Clear a line, adjusting to visible part of pane. */
1106: static void
1107: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1108: u_int px, u_int nx, u_int bg)
1109: {
1110: struct client *c = tty->client;
1111: u_int i, x, rx, ry;
1112:
1113: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1114:
1115: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1.373 nicm 1116: tty_clear_line(tty, &ctx->defaults, ry, x, rx, bg);
1.309 nicm 1117: }
1118:
1119: /* Clamp area position to visible part of pane. */
1120: static int
1121: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1122: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1123: u_int *ry)
1124: {
1.373 nicm 1125: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1126:
1127: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1128: return (0);
1129:
1.372 nicm 1130: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1131: /* All visible. */
1132: *i = 0;
1.372 nicm 1133: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1134: *rx = nx;
1.372 nicm 1135: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1136: /* Both left and right not visible. */
1.372 nicm 1137: *i = ctx->wox;
1.309 nicm 1138: *x = 0;
1.372 nicm 1139: *rx = ctx->wsx;
1140: } else if (xoff < ctx->wox) {
1.309 nicm 1141: /* Left not visible. */
1.372 nicm 1142: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1143: *x = 0;
1144: *rx = nx - *i;
1145: } else {
1146: /* Right not visible. */
1147: *i = 0;
1.372 nicm 1148: *x = (ctx->xoff + px) - ctx->wox;
1149: *rx = ctx->wsx - *x;
1.309 nicm 1150: }
1151: if (*rx > nx)
1152: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1153:
1.372 nicm 1154: if (yoff >= ctx->woy && yoff + ny <= ctx->woy + ctx->wsy) {
1.309 nicm 1155: /* All visible. */
1156: *j = 0;
1.372 nicm 1157: *y = ctx->yoff + py - ctx->woy;
1.309 nicm 1158: *ry = ny;
1.372 nicm 1159: } else if (yoff < ctx->woy && yoff + ny > ctx->woy + ctx->wsy) {
1.327 nicm 1160: /* Both top and bottom not visible. */
1.372 nicm 1161: *j = ctx->woy;
1.309 nicm 1162: *y = 0;
1.372 nicm 1163: *ry = ctx->wsy;
1164: } else if (yoff < ctx->woy) {
1.327 nicm 1165: /* Top not visible. */
1.372 nicm 1166: *j = ctx->woy - (ctx->yoff + py);
1.309 nicm 1167: *y = 0;
1168: *ry = ny - *j;
1169: } else {
1.327 nicm 1170: /* Bottom not visible. */
1.309 nicm 1171: *j = 0;
1.372 nicm 1172: *y = (ctx->yoff + py) - ctx->woy;
1173: *ry = ctx->wsy - *y;
1.309 nicm 1174: }
1175: if (*ry > ny)
1176: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1177:
1178: return (1);
1179: }
1180:
1181: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1182: static void
1.373 nicm 1183: tty_clear_area(struct tty *tty, const struct grid_cell *defaults, u_int py,
1184: u_int ny, u_int px, u_int nx, u_int bg)
1.271 nicm 1185: {
1.309 nicm 1186: struct client *c = tty->client;
1187: u_int yy;
1188: char tmp[64];
1.271 nicm 1189:
1.309 nicm 1190: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1191:
1192: /* Nothing to clear. */
1193: if (nx == 0 || ny == 0)
1194: return;
1195:
1196: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1197: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.276 nicm 1198: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1199: if (px == 0 &&
1200: px + nx >= tty->sx &&
1201: py + ny >= tty->sy &&
1202: tty_term_has(tty->term, TTYC_ED)) {
1203: tty_cursor(tty, 0, py);
1204: tty_putcode(tty, TTYC_ED);
1.274 nicm 1205: return;
1206: }
1207:
1208: /*
1.276 nicm 1209: * On VT420 compatible terminals we can use DECFRA if the
1210: * background colour isn't default (because it doesn't work
1211: * after SGR 0).
1.274 nicm 1212: */
1.359 nicm 1213: if ((tty->term->flags & TERM_DECFRA) && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1214: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1215: py + 1, px + 1, py + ny, px + nx);
1216: tty_puts(tty, tmp);
1.276 nicm 1217: return;
1218: }
1219:
1.280 nicm 1220: /* Full lines can be scrolled away to clear them. */
1221: if (px == 0 &&
1.281 nicm 1222: px + nx >= tty->sx &&
1.280 nicm 1223: ny > 2 &&
1224: tty_term_has(tty->term, TTYC_CSR) &&
1225: tty_term_has(tty->term, TTYC_INDN)) {
1226: tty_region(tty, py, py + ny - 1);
1227: tty_margin_off(tty);
1.284 nicm 1228: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1229: return;
1230: }
1231:
1.276 nicm 1232: /*
1233: * If margins are supported, can just scroll the area off to
1234: * clear it.
1235: */
1.277 nicm 1236: if (nx > 2 &&
1237: ny > 2 &&
1.280 nicm 1238: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1239: tty_use_margin(tty) &&
1240: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1241: tty_region(tty, py, py + ny - 1);
1242: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1243: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1244: return;
1245: }
1246: }
1247:
1248: /* Couldn't use an escape sequence, loop over the lines. */
1249: for (yy = py; yy < py + ny; yy++)
1.373 nicm 1250: tty_clear_line(tty, defaults, yy, px, nx, bg);
1.271 nicm 1251: }
1252:
1.309 nicm 1253: /* Clear an area in a pane. */
1254: static void
1255: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1256: u_int ny, u_int px, u_int nx, u_int bg)
1257: {
1258: u_int i, j, x, y, rx, ry;
1259:
1260: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1.373 nicm 1261: tty_clear_area(tty, &ctx->defaults, y, ry, x, rx, bg);
1.309 nicm 1262: }
1263:
1264: static void
1265: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1266: {
1.373 nicm 1267: struct screen *s = ctx->s;
1268: u_int nx = ctx->sx, i, x, rx, ry;
1.309 nicm 1269:
1270: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1271:
1272: if (!ctx->bigger) {
1.373 nicm 1273: tty_draw_line(tty, s, 0, py, nx, ctx->xoff, ctx->yoff + py,
1274: &ctx->defaults, ctx->palette);
1.309 nicm 1275: return;
1276: }
1.373 nicm 1277: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry)) {
1278: tty_draw_line(tty, s, i, py, rx, x, ry, &ctx->defaults,
1279: ctx->palette);
1280: }
1.176 nicm 1281: }
1282:
1.298 nicm 1283: static const struct grid_cell *
1284: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1285: {
1286: static struct grid_cell new;
1.377 nicm 1287: int c;
1.298 nicm 1288:
1289: /* Characters less than 0x7f are always fine, no matter what. */
1290: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1291: return (gc);
1292:
1293: /* UTF-8 terminal and a UTF-8 character - fine. */
1.359 nicm 1294: if (tty->client->flags & CLIENT_UTF8)
1.298 nicm 1295: return (gc);
1.377 nicm 1296: memcpy(&new, gc, sizeof new);
1297:
1298: /* See if this can be mapped to an ACS character. */
1299: c = tty_acs_reverse_get(tty, gc->data.data, gc->data.size);
1300: if (c != -1) {
1301: utf8_set(&new.data, c);
1302: new.attr |= GRID_ATTR_CHARSET;
1303: return (&new);
1304: }
1.298 nicm 1305:
1306: /* Replace by the right number of underscores. */
1.377 nicm 1307: new.data.size = gc->data.width;
1308: if (new.data.size > UTF8_SIZE)
1309: new.data.size = UTF8_SIZE;
1310: memset(new.data.data, '_', new.data.size);
1.298 nicm 1311: return (&new);
1312: }
1313:
1.346 nicm 1314: static int
1315: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1316: {
1317: struct client *c = tty->client;
1318:
1319: if (c->overlay_check == NULL)
1320: return (1);
1.401 nicm 1321: return (c->overlay_check(c, c->overlay_data, px, py));
1.346 nicm 1322: }
1323:
1.176 nicm 1324: void
1.373 nicm 1325: tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
1.399 nicm 1326: u_int atx, u_int aty, const struct grid_cell *defaults,
1327: struct colour_palette *palette)
1.1 nicm 1328: {
1.297 nicm 1329: struct grid *gd = s->grid;
1.250 nicm 1330: struct grid_cell gc, last;
1.298 nicm 1331: const struct grid_cell *gcp;
1.309 nicm 1332: struct grid_line *gl;
1.394 nicm 1333: struct client *c = tty->client;
1.396 nicm 1334: u_int i, j, ux, sx, width, hidden;
1335: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1336: char buf[512];
1.315 nicm 1337: size_t len;
1.303 nicm 1338: u_int cellsize;
1.1 nicm 1339:
1.309 nicm 1340: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1341: px, py, nx, atx, aty);
1.399 nicm 1342: log_debug("%s: defaults: fg=%d, bg=%d", __func__, defaults->fg,
1343: defaults->bg);
1.309 nicm 1344:
1345: /*
1346: * py is the line in the screen to draw.
1347: * px is the start x and nx is the width to draw.
1348: * atx,aty is the line on the terminal to draw it.
1349: */
1350:
1.259 nicm 1351: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1352: tty->flags |= TTY_NOCURSOR;
1353: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1354:
1.214 nicm 1355: tty_region_off(tty);
1356: tty_margin_off(tty);
1357:
1.273 nicm 1358: /*
1359: * Clamp the width to cellsize - note this is not cellused, because
1360: * there may be empty background cells after it (from BCE).
1361: */
1.1 nicm 1362: sx = screen_size_x(s);
1.309 nicm 1363: if (nx > sx)
1364: nx = sx;
1.303 nicm 1365: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1366: if (sx > cellsize)
1367: sx = cellsize;
1.1 nicm 1368: if (sx > tty->sx)
1369: sx = tty->sx;
1.309 nicm 1370: if (sx > nx)
1371: sx = nx;
1.292 nicm 1372: ux = 0;
1.1 nicm 1373:
1.309 nicm 1374: if (py == 0)
1375: gl = NULL;
1376: else
1377: gl = grid_get_line(gd, gd->hsize + py - 1);
1.373 nicm 1378: if (gl == NULL ||
1.309 nicm 1379: (~gl->flags & GRID_LINE_WRAPPED) ||
1380: atx != 0 ||
1.268 nicm 1381: tty->cx < tty->sx ||
1.309 nicm 1382: nx < tty->sx) {
1383: if (nx < tty->sx &&
1384: atx == 0 &&
1385: px + sx != nx &&
1.268 nicm 1386: tty_term_has(tty->term, TTYC_EL1) &&
1.394 nicm 1387: !tty_fake_bce(tty, defaults, 8) &&
1388: c->overlay_check == NULL) {
1.373 nicm 1389: tty_default_attributes(tty, defaults, palette, 8);
1.309 nicm 1390: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1391: tty_putcode(tty, TTYC_EL1);
1392: cleared = 1;
1393: }
1.329 nicm 1394: } else {
1.309 nicm 1395: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1396: wrapped = 1;
1397: }
1.250 nicm 1398:
1399: memcpy(&last, &grid_default_cell, sizeof last);
1400: len = 0;
1401: width = 0;
1.46 nicm 1402:
1.1 nicm 1403: for (i = 0; i < sx; i++) {
1.309 nicm 1404: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1405: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1406: if (len != 0 &&
1.346 nicm 1407: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1408: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1409: gcp->flags != last.flags ||
1410: gcp->attr != last.attr ||
1411: gcp->fg != last.fg ||
1412: gcp->bg != last.bg ||
1.328 nicm 1413: gcp->us != last.us ||
1.315 nicm 1414: ux + width + gcp->data.width > nx ||
1.298 nicm 1415: (sizeof buf) - len < gcp->data.size)) {
1.373 nicm 1416: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1417: if (last.flags & GRID_FLAG_CLEARED) {
1418: log_debug("%s: %zu cleared", __func__, len);
1.373 nicm 1419: tty_clear_line(tty, defaults, aty, atx + ux,
1420: width, last.bg);
1.315 nicm 1421: } else {
1.329 nicm 1422: if (!wrapped || atx != 0 || ux != 0)
1423: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1424: tty_putn(tty, buf, len, width);
1425: }
1.292 nicm 1426: ux += width;
1.250 nicm 1427:
1428: len = 0;
1429: width = 0;
1.329 nicm 1430: wrapped = 0;
1.250 nicm 1431: }
1432:
1.298 nicm 1433: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1434: screen_select_cell(s, &last, gcp);
1.250 nicm 1435: else
1.299 nicm 1436: memcpy(&last, gcp, sizeof last);
1.395 nicm 1437:
1438: hidden = 0;
1439: for (j = 0; j < gcp->data.width; j++) {
1.396 nicm 1440: if (!tty_check_overlay(tty, atx + ux + j, aty))
1441: hidden++;
1.395 nicm 1442: }
1.396 nicm 1443: if (hidden != 0 && hidden == gcp->data.width) {
1444: if (~gcp->flags & GRID_FLAG_PADDING)
1445: ux += gcp->data.width;
1446: } else if (hidden != 0 || ux + gcp->data.width > nx) {
1.395 nicm 1447: if (~gcp->flags & GRID_FLAG_PADDING) {
1448: tty_attributes(tty, &last, defaults, palette);
1449: tty_cursor(tty, atx + ux, aty);
1450: for (j = 0; j < gcp->data.width; j++) {
1.397 nicm 1451: if (ux > nx)
1.395 nicm 1452: break;
1.397 nicm 1453: if (tty_check_overlay(tty, atx + ux,
1454: aty))
1455: tty_putc(tty, ' ');
1456: else {
1457: tty_cursor(tty, atx + ux + 1,
1458: aty);
1459: }
1.395 nicm 1460: ux++;
1461: }
1.297 nicm 1462: }
1.299 nicm 1463: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1.373 nicm 1464: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1465: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1466: for (j = 0; j < gcp->data.size; j++)
1467: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1468: ux += gcp->data.width;
1.381 nicm 1469: } else if (~gcp->flags & GRID_FLAG_PADDING) {
1.298 nicm 1470: memcpy(buf + len, gcp->data.data, gcp->data.size);
1471: len += gcp->data.size;
1472: width += gcp->data.width;
1.250 nicm 1473: }
1474: }
1.315 nicm 1475: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.373 nicm 1476: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1477: if (last.flags & GRID_FLAG_CLEARED) {
1478: log_debug("%s: %zu cleared (end)", __func__, len);
1.373 nicm 1479: tty_clear_line(tty, defaults, aty, atx + ux, width,
1480: last.bg);
1.315 nicm 1481: } else {
1.329 nicm 1482: if (!wrapped || atx != 0 || ux != 0)
1483: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1484: tty_putn(tty, buf, len, width);
1485: }
1.315 nicm 1486: ux += width;
1.1 nicm 1487: }
1488:
1.309 nicm 1489: if (!cleared && ux < nx) {
1.315 nicm 1490: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1491: nx - ux, len);
1.373 nicm 1492: tty_default_attributes(tty, defaults, palette, 8);
1493: tty_clear_line(tty, defaults, aty, atx + ux, nx - ux, 8);
1.35 nicm 1494: }
1.1 nicm 1495:
1.181 nicm 1496: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1497: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1498: }
1499:
1.348 nicm 1500: void
1501: tty_sync_start(struct tty *tty)
1502: {
1.361 nicm 1503: if (tty->flags & TTY_BLOCK)
1504: return;
1505: if (tty->flags & TTY_SYNCING)
1506: return;
1507: tty->flags |= TTY_SYNCING;
1508:
1509: if (tty_term_has(tty->term, TTYC_SYNC)) {
1510: log_debug("%s sync start", tty->client->name);
1.360 nicm 1511: tty_putcode1(tty, TTYC_SYNC, 1);
1.357 nicm 1512: }
1.348 nicm 1513: }
1514:
1515: void
1516: tty_sync_end(struct tty *tty)
1517: {
1.361 nicm 1518: if (tty->flags & TTY_BLOCK)
1519: return;
1520: if (~tty->flags & TTY_SYNCING)
1521: return;
1522: tty->flags &= ~TTY_SYNCING;
1523:
1524: if (tty_term_has(tty->term, TTYC_SYNC)) {
1525: log_debug("%s sync end", tty->client->name);
1.360 nicm 1526: tty_putcode1(tty, TTYC_SYNC, 2);
1.357 nicm 1527: }
1.348 nicm 1528: }
1529:
1.201 nicm 1530: static int
1.373 nicm 1531: tty_client_ready(struct client *c)
1.182 nicm 1532: {
1533: if (c->session == NULL || c->tty.term == NULL)
1534: return (0);
1.305 nicm 1535: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1536: return (0);
1537: if (c->tty.flags & TTY_FREEZE)
1538: return (0);
1539: return (1);
1540: }
1541:
1.15 nicm 1542: void
1.182 nicm 1543: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1544: struct tty_ctx *ctx)
1.15 nicm 1545: {
1.373 nicm 1546: struct client *c;
1547: int state;
1.15 nicm 1548:
1.373 nicm 1549: if (ctx->set_client_cb == NULL)
1.15 nicm 1550: return;
1.178 nicm 1551: TAILQ_FOREACH(c, &clients, entry) {
1.373 nicm 1552: if (!tty_client_ready(c))
1.15 nicm 1553: continue;
1.373 nicm 1554: state = ctx->set_client_cb(ctx, c);
1555: if (state == -1)
1.358 nicm 1556: break;
1.373 nicm 1557: if (state == 0)
1558: continue;
1.139 nicm 1559: cmdfn(&c->tty, ctx);
1.1 nicm 1560: }
1561: }
1562:
1563: void
1.24 nicm 1564: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1565: {
1.394 nicm 1566: struct client *c = tty->client;
1567:
1.309 nicm 1568: if (ctx->bigger ||
1.372 nicm 1569: !tty_full_width(tty, ctx) ||
1.373 nicm 1570: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.210 nicm 1571: (!tty_term_has(tty->term, TTYC_ICH) &&
1.394 nicm 1572: !tty_term_has(tty->term, TTYC_ICH1)) ||
1573: c->overlay_check != NULL) {
1.309 nicm 1574: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1575: return;
1576: }
1577:
1.373 nicm 1578: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1579:
1.77 nicm 1580: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1581:
1.206 nicm 1582: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1583: }
1584:
1585: void
1.24 nicm 1586: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1587: {
1.394 nicm 1588: struct client *c = tty->client;
1589:
1.309 nicm 1590: if (ctx->bigger ||
1.372 nicm 1591: !tty_full_width(tty, ctx) ||
1.373 nicm 1592: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.26 nicm 1593: (!tty_term_has(tty->term, TTYC_DCH) &&
1.394 nicm 1594: !tty_term_has(tty->term, TTYC_DCH1)) ||
1595: c->overlay_check != NULL) {
1.309 nicm 1596: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1597: return;
1598: }
1599:
1.373 nicm 1600: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1601:
1.77 nicm 1602: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1603:
1.206 nicm 1604: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1605: }
1606:
1607: void
1608: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1609: {
1.373 nicm 1610: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.146 nicm 1611:
1.388 nicm 1612: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, ctx->num, ctx->bg);
1.1 nicm 1613: }
1614:
1615: void
1.24 nicm 1616: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1617: {
1.394 nicm 1618: struct client *c = tty->client;
1619:
1.309 nicm 1620: if (ctx->bigger ||
1.372 nicm 1621: !tty_full_width(tty, ctx) ||
1.373 nicm 1622: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.77 nicm 1623: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1624: !tty_term_has(tty->term, TTYC_IL1) ||
1.373 nicm 1625: ctx->sx == 1 ||
1.394 nicm 1626: ctx->sy == 1 ||
1627: c->overlay_check != NULL) {
1.14 nicm 1628: tty_redraw_region(tty, ctx);
1.1 nicm 1629: return;
1630: }
1631:
1.373 nicm 1632: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1633:
1.77 nicm 1634: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1635: tty_margin_off(tty);
1.77 nicm 1636: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1637:
1.12 nicm 1638: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1639: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1640: }
1641:
1642: void
1.24 nicm 1643: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1644: {
1.394 nicm 1645: struct client *c = tty->client;
1646:
1.309 nicm 1647: if (ctx->bigger ||
1.372 nicm 1648: !tty_full_width(tty, ctx) ||
1.373 nicm 1649: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.72 nicm 1650: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1651: !tty_term_has(tty->term, TTYC_DL1) ||
1.373 nicm 1652: ctx->sx == 1 ||
1.394 nicm 1653: ctx->sy == 1 ||
1654: c->overlay_check != NULL) {
1.14 nicm 1655: tty_redraw_region(tty, ctx);
1.1 nicm 1656: return;
1657: }
1658:
1.373 nicm 1659: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1660:
1.77 nicm 1661: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1662: tty_margin_off(tty);
1.77 nicm 1663: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1664:
1.12 nicm 1665: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1666: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1667: }
1668:
1669: void
1.24 nicm 1670: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1671: {
1.373 nicm 1672: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1673:
1.372 nicm 1674: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->sx, ctx->bg);
1.1 nicm 1675: }
1676:
1677: void
1.24 nicm 1678: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1679: {
1.373 nicm 1680: u_int nx = ctx->sx - ctx->ocx;
1.1 nicm 1681:
1.373 nicm 1682: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1683:
1.309 nicm 1684: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1685: }
1686:
1687: void
1.24 nicm 1688: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1689: {
1.373 nicm 1690: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1691:
1.309 nicm 1692: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1693: }
1694:
1695: void
1.24 nicm 1696: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1697: {
1.394 nicm 1698: struct client *c = tty->client;
1699:
1.56 nicm 1700: if (ctx->ocy != ctx->orupper)
1701: return;
1702:
1.309 nicm 1703: if (ctx->bigger ||
1.372 nicm 1704: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1705: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.70 nicm 1706: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1707: (!tty_term_has(tty->term, TTYC_RI) &&
1708: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1709: ctx->sx == 1 ||
1.394 nicm 1710: ctx->sy == 1 ||
1711: c->overlay_check != NULL) {
1.14 nicm 1712: tty_redraw_region(tty, ctx);
1.1 nicm 1713: return;
1714: }
1715:
1.373 nicm 1716: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1717:
1.56 nicm 1718: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1719: tty_margin_pane(tty, ctx);
1.56 nicm 1720: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1721:
1.331 nicm 1722: if (tty_term_has(tty->term, TTYC_RI))
1723: tty_putcode(tty, TTYC_RI);
1724: else
1725: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1726: }
1727:
1728: void
1.24 nicm 1729: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1730: {
1.394 nicm 1731: struct client *c = tty->client;
1732:
1.56 nicm 1733: if (ctx->ocy != ctx->orlower)
1734: return;
1735:
1.309 nicm 1736: if (ctx->bigger ||
1.372 nicm 1737: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1738: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1739: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1740: ctx->sx == 1 ||
1.394 nicm 1741: ctx->sy == 1 ||
1742: c->overlay_check != NULL) {
1.236 nicm 1743: tty_redraw_region(tty, ctx);
1.1 nicm 1744: return;
1745: }
1.52 nicm 1746:
1.373 nicm 1747: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1748:
1.56 nicm 1749: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1750: tty_margin_pane(tty, ctx);
1751:
1752: /*
1.301 nicm 1753: * If we want to wrap a pane while using margins, the cursor needs to
1754: * be exactly on the right of the region. If the cursor is entirely off
1755: * the edge - move it back to the right. Some terminals are funny about
1756: * this and insert extra spaces, so only use the right if margins are
1757: * enabled.
1.212 nicm 1758: */
1.301 nicm 1759: if (ctx->xoff + ctx->ocx > tty->rright) {
1760: if (!tty_use_margin(tty))
1761: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1762: else
1763: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1764: } else
1.212 nicm 1765: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1766:
1.56 nicm 1767: tty_putc(tty, '\n');
1.240 nicm 1768: }
1769:
1770: void
1771: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1772: {
1.394 nicm 1773: struct client *c = tty->client;
1774: u_int i;
1.240 nicm 1775:
1.309 nicm 1776: if (ctx->bigger ||
1.372 nicm 1777: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1778: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1779: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1780: ctx->sx == 1 ||
1.394 nicm 1781: ctx->sy == 1 ||
1782: c->overlay_check != NULL) {
1.240 nicm 1783: tty_redraw_region(tty, ctx);
1784: return;
1785: }
1786:
1.373 nicm 1787: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.240 nicm 1788:
1789: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1790: tty_margin_pane(tty, ctx);
1791:
1.284 nicm 1792: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1793: if (!tty_use_margin(tty))
1794: tty_cursor(tty, 0, tty->rlower);
1795: else
1796: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1797: for (i = 0; i < ctx->num; i++)
1.240 nicm 1798: tty_putc(tty, '\n');
1.301 nicm 1799: } else {
1.353 nicm 1800: if (tty->cy == UINT_MAX)
1801: tty_cursor(tty, 0, 0);
1802: else
1803: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1804: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1805: }
1806: }
1807:
1808: void
1809: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1810: {
1.394 nicm 1811: u_int i;
1812: struct client *c = tty->client;
1.331 nicm 1813:
1814: if (ctx->bigger ||
1.372 nicm 1815: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1816: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.331 nicm 1817: !tty_term_has(tty->term, TTYC_CSR) ||
1818: (!tty_term_has(tty->term, TTYC_RI) &&
1819: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1820: ctx->sx == 1 ||
1.394 nicm 1821: ctx->sy == 1 ||
1822: c->overlay_check != NULL) {
1.331 nicm 1823: tty_redraw_region(tty, ctx);
1824: return;
1825: }
1826:
1.373 nicm 1827: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.331 nicm 1828:
1829: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1830: tty_margin_pane(tty, ctx);
1831: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1832:
1833: if (tty_term_has(tty->term, TTYC_RIN))
1834: tty_putcode1(tty, TTYC_RIN, ctx->num);
1835: else {
1836: for (i = 0; i < ctx->num; i++)
1837: tty_putcode(tty, TTYC_RI);
1.301 nicm 1838: }
1.1 nicm 1839: }
1840:
1841: void
1.24 nicm 1842: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1843: {
1.373 nicm 1844: u_int px, py, nx, ny;
1.1 nicm 1845:
1.373 nicm 1846: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1847:
1.372 nicm 1848: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1849: tty_margin_off(tty);
1.39 nicm 1850:
1.309 nicm 1851: px = 0;
1.372 nicm 1852: nx = ctx->sx;
1.309 nicm 1853: py = ctx->ocy + 1;
1.372 nicm 1854: ny = ctx->sy - ctx->ocy - 1;
1.271 nicm 1855:
1.309 nicm 1856: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1857:
1.309 nicm 1858: px = ctx->ocx;
1.372 nicm 1859: nx = ctx->sx - ctx->ocx;
1.309 nicm 1860: py = ctx->ocy;
1.271 nicm 1861:
1.309 nicm 1862: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1863: }
1864:
1865: void
1.24 nicm 1866: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1867: {
1.373 nicm 1868: u_int px, py, nx, ny;
1.1 nicm 1869:
1.373 nicm 1870: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1871:
1.372 nicm 1872: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1873: tty_margin_off(tty);
1.39 nicm 1874:
1.309 nicm 1875: px = 0;
1.372 nicm 1876: nx = ctx->sx;
1.309 nicm 1877: py = 0;
1.319 nicm 1878: ny = ctx->ocy;
1.271 nicm 1879:
1.309 nicm 1880: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1881:
1.309 nicm 1882: px = 0;
1.271 nicm 1883: nx = ctx->ocx + 1;
1.309 nicm 1884: py = ctx->ocy;
1.271 nicm 1885:
1.309 nicm 1886: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1887: }
1888:
1889: void
1.24 nicm 1890: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1891: {
1.373 nicm 1892: u_int px, py, nx, ny;
1.1 nicm 1893:
1.373 nicm 1894: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1895:
1.372 nicm 1896: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1897: tty_margin_off(tty);
1.39 nicm 1898:
1.309 nicm 1899: px = 0;
1.372 nicm 1900: nx = ctx->sx;
1.309 nicm 1901: py = 0;
1.372 nicm 1902: ny = ctx->sy;
1.271 nicm 1903:
1.309 nicm 1904: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1905: }
1906:
1907: void
1.24 nicm 1908: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1909: {
1.373 nicm 1910: u_int i, j;
1.4 nicm 1911:
1.309 nicm 1912: if (ctx->bigger) {
1.373 nicm 1913: ctx->redraw_cb(ctx);
1.309 nicm 1914: return;
1915: }
1916:
1.373 nicm 1917: tty_attributes(tty, &grid_default_cell, &ctx->defaults, ctx->palette);
1.4 nicm 1918:
1.372 nicm 1919: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1920: tty_margin_off(tty);
1.4 nicm 1921:
1.372 nicm 1922: for (j = 0; j < ctx->sy; j++) {
1.41 nicm 1923: tty_cursor_pane(tty, ctx, 0, j);
1.372 nicm 1924: for (i = 0; i < ctx->sx; i++)
1.4 nicm 1925: tty_putc(tty, 'E');
1.1 nicm 1926: }
1927: }
1928:
1929: void
1.24 nicm 1930: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1931: {
1.394 nicm 1932: const struct grid_cell *gcp = ctx->cell;
1933: struct screen *s = ctx->s;
1934: u_int i, px, py;
1935:
1936: px = ctx->xoff + ctx->ocx - ctx->wox;
1937: py = ctx->yoff + ctx->ocy - ctx->woy;
1938: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1) ||
1939: (gcp->data.width == 1 && !tty_check_overlay(tty, px, py)))
1940: return;
1941:
1942: /* Handle partially obstructed wide characters. */
1943: if (gcp->data.width > 1) {
1944: for (i = 0; i < gcp->data.width; i++) {
1945: if (!tty_check_overlay(tty, px + i, py)) {
1946: tty_draw_line(tty, s, s->cx, s->cy,
1947: gcp->data.width, px, py, &ctx->defaults,
1948: ctx->palette);
1949: return;
1950: }
1951: }
1952: }
1.309 nicm 1953:
1.372 nicm 1954: if (ctx->xoff + ctx->ocx - ctx->wox > tty->sx - 1 &&
1.306 nicm 1955: ctx->ocy == ctx->orlower &&
1.372 nicm 1956: tty_full_width(tty, ctx))
1.306 nicm 1957: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1958:
1.306 nicm 1959: tty_margin_off(tty);
1.253 nicm 1960: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1961:
1.373 nicm 1962: tty_cell(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 1963: }
1964:
1965: void
1966: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1967: {
1.394 nicm 1968: u_int i, hide = 0;
1969:
1.309 nicm 1970: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1971: return;
1972:
1973: if (ctx->bigger &&
1.372 nicm 1974: (ctx->xoff + ctx->ocx < ctx->wox ||
1975: ctx->xoff + ctx->ocx + ctx->num > ctx->wox + ctx->wsx)) {
1.309 nicm 1976: if (!ctx->wrapped ||
1.372 nicm 1977: !tty_full_width(tty, ctx) ||
1.382 nicm 1978: (tty->term->flags & TERM_NOAM) ||
1.309 nicm 1979: ctx->xoff + ctx->ocx != 0 ||
1980: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1981: tty->cx < tty->sx ||
1982: tty->cy == tty->rlower)
1983: tty_draw_pane(tty, ctx, ctx->ocy);
1984: else
1.373 nicm 1985: ctx->redraw_cb(ctx);
1.309 nicm 1986: return;
1987: }
1988:
1.306 nicm 1989: tty_margin_off(tty);
1.253 nicm 1990: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1991:
1.373 nicm 1992: tty_attributes(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.394 nicm 1993: for (i = 0; i < ctx->num; i++) {
1994: if (!tty_check_overlay(tty, tty->cx + i, tty->cy))
1995: break;
1996: }
1997: tty_putn(tty, ctx->ptr, i, i);
1998: for (; i < ctx->num; i++) {
1999: if (tty_check_overlay(tty, tty->cx + hide, tty->cy))
2000: break;
2001: hide++;
2002: }
2003: tty_cursor(tty, tty->cx + hide, tty->cy);
2004: tty_putn(tty, (char *)ctx->ptr + i, ctx->num - i, ctx->num - i);
1.106 nicm 2005: }
2006:
2007: void
2008: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
2009: {
1.383 nicm 2010: tty_set_selection(tty, ctx->ptr, ctx->num);
2011: }
2012:
2013: void
2014: tty_set_selection(struct tty *tty, const char *buf, size_t len)
2015: {
2016: char *encoded;
2017: size_t size;
1.106 nicm 2018:
1.384 nicm 2019: if (~tty->flags & TTY_STARTED)
2020: return;
1.106 nicm 2021: if (!tty_term_has(tty->term, TTYC_MS))
1.383 nicm 2022: return;
1.106 nicm 2023:
1.383 nicm 2024: size = 4 * ((len + 2) / 3) + 1; /* storage for base64 */
2025: encoded = xmalloc(size);
1.106 nicm 2026:
1.383 nicm 2027: b64_ntop(buf, len, encoded, size);
2028: tty_putcode_ptr2(tty, TTYC_MS, "", encoded);
1.398 nicm 2029: tty->client->redraw = EVBUFFER_LENGTH(tty->out);
1.106 nicm 2030:
1.383 nicm 2031: free(encoded);
1.100 nicm 2032: }
2033:
2034: void
2035: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
2036: {
1.256 nicm 2037: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 2038: tty_invalidate(tty);
1.348 nicm 2039: }
2040:
2041: void
1.402 ! nicm 2042: tty_cmd_syncstart(struct tty *tty, const struct tty_ctx *ctx)
1.348 nicm 2043: {
1.402 ! nicm 2044: if (ctx->num == 0x11) {
! 2045: /*
! 2046: * This is an overlay and a command that moves, the cursor so
! 2047: * start synchronized updates.
! 2048: */
! 2049: tty_sync_start(tty);
! 2050: } else if (~ctx->num & 0x10) {
! 2051: /*
! 2052: * This is a pane. If there is an overlay, always start;
! 2053: * otherwise, only if requested.
! 2054: */
! 2055: if (ctx->num || tty->client->overlay_draw != NULL)
! 2056: tty_sync_start(tty);
! 2057: }
1.1 nicm 2058: }
2059:
1.377 nicm 2060: void
1.373 nicm 2061: tty_cell(struct tty *tty, const struct grid_cell *gc,
1.399 nicm 2062: const struct grid_cell *defaults, struct colour_palette *palette)
1.1 nicm 2063: {
1.298 nicm 2064: const struct grid_cell *gcp;
1.1 nicm 2065:
2066: /* Skip last character if terminal is stupid. */
1.382 nicm 2067: if ((tty->term->flags & TERM_NOAM) &&
1.211 nicm 2068: tty->cy == tty->sy - 1 &&
2069: tty->cx == tty->sx - 1)
1.1 nicm 2070: return;
2071:
2072: /* If this is a padding character, do nothing. */
2073: if (gc->flags & GRID_FLAG_PADDING)
2074: return;
2075:
1.377 nicm 2076: /* Check the output codeset and apply attributes. */
2077: gcp = tty_check_codeset(tty, gc);
2078: tty_attributes(tty, gcp, defaults, palette);
1.1 nicm 2079:
1.377 nicm 2080: /* If it is a single character, write with putc to handle ACS. */
1.298 nicm 2081: if (gcp->data.size == 1) {
1.377 nicm 2082: tty_attributes(tty, gcp, defaults, palette);
1.298 nicm 2083: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 2084: return;
1.298 nicm 2085: tty_putc(tty, *gcp->data.data);
1.1 nicm 2086: return;
2087: }
2088:
1.147 nicm 2089: /* Write the data. */
1.298 nicm 2090: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 2091: }
2092:
2093: void
2094: tty_reset(struct tty *tty)
2095: {
2096: struct grid_cell *gc = &tty->cell;
2097:
1.228 nicm 2098: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 2099: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 2100: tty_putcode(tty, TTYC_RMACS);
2101: tty_putcode(tty, TTYC_SGR0);
2102: memcpy(gc, &grid_default_cell, sizeof *gc);
2103: }
2104: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1.242 nicm 2105: }
2106:
2107: static void
2108: tty_invalidate(struct tty *tty)
2109: {
2110: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
2111: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
2112:
2113: tty->cx = tty->cy = UINT_MAX;
2114: tty->rupper = tty->rleft = UINT_MAX;
2115: tty->rlower = tty->rright = UINT_MAX;
2116:
2117: if (tty->flags & TTY_STARTED) {
1.330 nicm 2118: if (tty_use_margin(tty))
1.365 nicm 2119: tty_putcode(tty, TTYC_ENMG);
1.242 nicm 2120: tty_putcode(tty, TTYC_SGR0);
2121:
2122: tty->mode = ALL_MODES;
2123: tty_update_mode(tty, MODE_CURSOR, NULL);
2124:
2125: tty_cursor(tty, 0, 0);
2126: tty_region_off(tty);
2127: tty_margin_off(tty);
2128: } else
2129: tty->mode = MODE_CURSOR;
1.1 nicm 2130: }
2131:
1.214 nicm 2132: /* Turn off margin. */
2133: void
2134: tty_region_off(struct tty *tty)
2135: {
2136: tty_region(tty, 0, tty->sy - 1);
2137: }
2138:
1.40 nicm 2139: /* Set region inside pane. */
1.208 nicm 2140: static void
1.196 nicm 2141: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
2142: u_int rlower)
1.1 nicm 2143: {
1.372 nicm 2144: tty_region(tty, ctx->yoff + rupper - ctx->woy,
2145: ctx->yoff + rlower - ctx->woy);
1.39 nicm 2146: }
2147:
1.40 nicm 2148: /* Set region at absolute position. */
1.214 nicm 2149: static void
1.40 nicm 2150: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2151: {
2152: if (tty->rlower == rlower && tty->rupper == rupper)
2153: return;
1.1 nicm 2154: if (!tty_term_has(tty->term, TTYC_CSR))
2155: return;
1.39 nicm 2156:
2157: tty->rupper = rupper;
2158: tty->rlower = rlower;
1.55 nicm 2159:
2160: /*
2161: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2162: * 0,0 if it is beyond the last column (they do not reset their wrap
2163: * flag so further output causes a line feed). As a workaround, do an
2164: * explicit move to 0 first.
2165: */
1.353 nicm 2166: if (tty->cx >= tty->sx) {
2167: if (tty->cy == UINT_MAX)
2168: tty_cursor(tty, 0, 0);
2169: else
2170: tty_cursor(tty, 0, tty->cy);
2171: }
1.42 nicm 2172:
1.39 nicm 2173: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2174: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2175: }
2176:
1.214 nicm 2177: /* Turn off margin. */
2178: void
2179: tty_margin_off(struct tty *tty)
2180: {
2181: tty_margin(tty, 0, tty->sx - 1);
2182: }
2183:
1.212 nicm 2184: /* Set margin inside pane. */
2185: static void
2186: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2187: {
1.372 nicm 2188: tty_margin(tty, ctx->xoff - ctx->wox,
1.373 nicm 2189: ctx->xoff + ctx->sx - 1 - ctx->wox);
1.212 nicm 2190: }
2191:
2192: /* Set margin at absolute position. */
1.214 nicm 2193: static void
1.212 nicm 2194: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2195: {
2196: if (!tty_use_margin(tty))
2197: return;
2198: if (tty->rleft == rleft && tty->rright == rright)
2199: return;
2200:
1.232 nicm 2201: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2202:
1.212 nicm 2203: tty->rleft = rleft;
2204: tty->rright = rright;
2205:
1.232 nicm 2206: if (rleft == 0 && rright == tty->sx - 1)
1.365 nicm 2207: tty_putcode(tty, TTYC_CLMG);
1.232 nicm 2208: else
1.365 nicm 2209: tty_putcode2(tty, TTYC_CMG, rleft, rright);
1.249 nicm 2210: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2211: }
2212:
2213: /*
2214: * Move the cursor, unless it would wrap itself when the next character is
2215: * printed.
2216: */
2217: static void
2218: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2219: u_int cx, u_int cy)
2220: {
1.268 nicm 2221: if (!ctx->wrapped ||
1.372 nicm 2222: !tty_full_width(tty, ctx) ||
1.382 nicm 2223: (tty->term->flags & TERM_NOAM) ||
1.253 nicm 2224: ctx->xoff + cx != 0 ||
2225: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2226: tty->cx < tty->sx ||
2227: tty->cy == tty->rlower)
1.253 nicm 2228: tty_cursor_pane(tty, ctx, cx, cy);
2229: else
2230: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2231: }
2232:
1.42 nicm 2233: /* Move cursor inside pane. */
1.208 nicm 2234: static void
1.41 nicm 2235: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2236: {
1.372 nicm 2237: tty_cursor(tty, ctx->xoff + cx - ctx->wox, ctx->yoff + cy - ctx->woy);
1.41 nicm 2238: }
2239:
1.42 nicm 2240: /* Move cursor to absolute position. */
1.41 nicm 2241: void
2242: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2243: {
1.42 nicm 2244: struct tty_term *term = tty->term;
2245: u_int thisx, thisy;
2246: int change;
1.354 nicm 2247:
2248: if (tty->flags & TTY_BLOCK)
2249: return;
1.77 nicm 2250:
1.42 nicm 2251: if (cx > tty->sx - 1)
2252: cx = tty->sx - 1;
2253:
2254: thisx = tty->cx;
2255: thisy = tty->cy;
2256:
2257: /* No change. */
2258: if (cx == thisx && cy == thisy)
2259: return;
2260:
1.43 nicm 2261: /* Very end of the line, just use absolute movement. */
2262: if (thisx > tty->sx - 1)
2263: goto absolute;
2264:
1.42 nicm 2265: /* Move to home position (0, 0). */
2266: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2267: tty_putcode(tty, TTYC_HOME);
2268: goto out;
2269: }
2270:
2271: /* Zero on the next line. */
1.293 nicm 2272: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2273: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2274: tty_putc(tty, '\r');
1.42 nicm 2275: tty_putc(tty, '\n');
2276: goto out;
2277: }
2278:
1.45 nicm 2279: /* Moving column or row. */
1.42 nicm 2280: if (cy == thisy) {
1.45 nicm 2281: /*
2282: * Moving column only, row staying the same.
2283: */
2284:
1.42 nicm 2285: /* To left edge. */
1.294 nicm 2286: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2287: tty_putc(tty, '\r');
2288: goto out;
2289: }
2290:
2291: /* One to the left. */
2292: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2293: tty_putcode(tty, TTYC_CUB1);
2294: goto out;
2295: }
2296:
2297: /* One to the right. */
2298: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2299: tty_putcode(tty, TTYC_CUF1);
2300: goto out;
2301: }
2302:
2303: /* Calculate difference. */
2304: change = thisx - cx; /* +ve left, -ve right */
2305:
2306: /*
2307: * Use HPA if change is larger than absolute, otherwise move
2308: * the cursor with CUB/CUF.
2309: */
1.87 nicm 2310: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2311: tty_putcode1(tty, TTYC_HPA, cx);
2312: goto out;
1.333 nicm 2313: } else if (change > 0 &&
2314: tty_term_has(term, TTYC_CUB) &&
2315: !tty_use_margin(tty)) {
1.202 nicm 2316: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2317: tty_putcode(tty, TTYC_CUB1);
2318: tty_putcode(tty, TTYC_CUB1);
2319: goto out;
2320: }
1.42 nicm 2321: tty_putcode1(tty, TTYC_CUB, change);
2322: goto out;
1.333 nicm 2323: } else if (change < 0 &&
2324: tty_term_has(term, TTYC_CUF) &&
2325: !tty_use_margin(tty)) {
1.42 nicm 2326: tty_putcode1(tty, TTYC_CUF, -change);
2327: goto out;
2328: }
1.45 nicm 2329: } else if (cx == thisx) {
2330: /*
2331: * Moving row only, column staying the same.
2332: */
1.42 nicm 2333:
2334: /* One above. */
1.77 nicm 2335: if (thisy != tty->rupper &&
1.42 nicm 2336: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2337: tty_putcode(tty, TTYC_CUU1);
2338: goto out;
2339: }
2340:
2341: /* One below. */
1.49 nicm 2342: if (thisy != tty->rlower &&
1.42 nicm 2343: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2344: tty_putcode(tty, TTYC_CUD1);
2345: goto out;
2346: }
2347:
2348: /* Calculate difference. */
2349: change = thisy - cy; /* +ve up, -ve down */
2350:
2351: /*
1.77 nicm 2352: * Try to use VPA if change is larger than absolute or if this
2353: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2354: */
1.87 nicm 2355: if ((u_int) abs(change) > cy ||
1.42 nicm 2356: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2357: (change > 0 && cy - change < tty->rupper)) {
2358: if (tty_term_has(term, TTYC_VPA)) {
2359: tty_putcode1(tty, TTYC_VPA, cy);
2360: goto out;
2361: }
1.42 nicm 2362: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2363: tty_putcode1(tty, TTYC_CUU, change);
2364: goto out;
2365: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2366: tty_putcode1(tty, TTYC_CUD, -change);
2367: goto out;
2368: }
2369: }
2370:
1.43 nicm 2371: absolute:
1.42 nicm 2372: /* Absolute movement. */
2373: tty_putcode2(tty, TTYC_CUP, cy, cx);
2374:
2375: out:
2376: tty->cx = cx;
2377: tty->cy = cy;
1.1 nicm 2378: }
2379:
2380: void
1.176 nicm 2381: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.399 nicm 2382: const struct grid_cell *defaults, struct colour_palette *palette)
1.1 nicm 2383: {
1.63 nicm 2384: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2385: int changed;
1.61 nicm 2386:
1.373 nicm 2387: /* Copy cell and update default colours. */
2388: memcpy(&gc2, gc, sizeof gc2);
1.399 nicm 2389: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2390: if (gc2.fg == 8)
2391: gc2.fg = defaults->fg;
2392: if (gc2.bg == 8)
2393: gc2.bg = defaults->bg;
2394: }
1.373 nicm 2395:
1.228 nicm 2396: /* Ignore cell if it is the same as the last one. */
1.373 nicm 2397: if (gc2.attr == tty->last_cell.attr &&
2398: gc2.fg == tty->last_cell.fg &&
2399: gc2.bg == tty->last_cell.bg &&
2400: gc2.us == tty->last_cell.us)
1.228 nicm 2401: return;
1.63 nicm 2402:
1.18 nicm 2403: /*
2404: * If no setab, try to use the reverse attribute as a best-effort for a
2405: * non-default background. This is a bit of a hack but it doesn't do
2406: * any serious harm and makes a couple of applications happier.
2407: */
2408: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2409: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2410: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2411: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2412: } else {
1.310 nicm 2413: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2414: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2415: }
2416: }
1.1 nicm 2417:
1.85 nicm 2418: /* Fix up the colours if necessary. */
1.373 nicm 2419: tty_check_fg(tty, palette, &gc2);
2420: tty_check_bg(tty, palette, &gc2);
2421: tty_check_us(tty, palette, &gc2);
1.85 nicm 2422:
1.328 nicm 2423: /*
2424: * If any bits are being cleared or the underline colour is now default,
2425: * reset everything.
2426: */
2427: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2428: tty_reset(tty);
2429:
2430: /*
2431: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2432: * may add to (NOT remove) the desired attributes.
1.64 nicm 2433: */
1.85 nicm 2434: tty_colours(tty, &gc2);
1.64 nicm 2435:
1.1 nicm 2436: /* Filter out attribute bits already set. */
1.85 nicm 2437: changed = gc2.attr & ~tc->attr;
2438: tc->attr = gc2.attr;
1.1 nicm 2439:
2440: /* Set the attributes. */
2441: if (changed & GRID_ATTR_BRIGHT)
2442: tty_putcode(tty, TTYC_BOLD);
2443: if (changed & GRID_ATTR_DIM)
2444: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2445: if (changed & GRID_ATTR_ITALICS)
2446: tty_set_italics(tty);
1.308 nicm 2447: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2448: if ((changed & GRID_ATTR_UNDERSCORE) ||
2449: !tty_term_has(tty->term, TTYC_SMULX))
2450: tty_putcode(tty, TTYC_SMUL);
2451: else if (changed & GRID_ATTR_UNDERSCORE_2)
2452: tty_putcode1(tty, TTYC_SMULX, 2);
2453: else if (changed & GRID_ATTR_UNDERSCORE_3)
2454: tty_putcode1(tty, TTYC_SMULX, 3);
2455: else if (changed & GRID_ATTR_UNDERSCORE_4)
2456: tty_putcode1(tty, TTYC_SMULX, 4);
2457: else if (changed & GRID_ATTR_UNDERSCORE_5)
2458: tty_putcode1(tty, TTYC_SMULX, 5);
2459: }
1.1 nicm 2460: if (changed & GRID_ATTR_BLINK)
2461: tty_putcode(tty, TTYC_BLINK);
2462: if (changed & GRID_ATTR_REVERSE) {
2463: if (tty_term_has(tty->term, TTYC_REV))
2464: tty_putcode(tty, TTYC_REV);
2465: else if (tty_term_has(tty->term, TTYC_SMSO))
2466: tty_putcode(tty, TTYC_SMSO);
2467: }
2468: if (changed & GRID_ATTR_HIDDEN)
2469: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2470: if (changed & GRID_ATTR_STRIKETHROUGH)
2471: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2472: if (changed & GRID_ATTR_OVERLINE)
2473: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2474: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2475: tty_putcode(tty, TTYC_SMACS);
1.373 nicm 2476:
2477: memcpy(&tty->last_cell, &gc2, sizeof tty->last_cell);
1.1 nicm 2478: }
2479:
1.207 nicm 2480: static void
1.85 nicm 2481: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2482: {
1.61 nicm 2483: struct grid_cell *tc = &tty->cell;
1.204 nicm 2484: int have_ax;
1.61 nicm 2485:
2486: /* No changes? Nothing is necessary. */
1.328 nicm 2487: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2488: return;
1.1 nicm 2489:
1.61 nicm 2490: /*
2491: * Is either the default colour? This is handled specially because the
2492: * best solution might be to reset both colours to default, in which
2493: * case if only one is default need to fall onward to set the other
2494: * colour.
2495: */
1.310 nicm 2496: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2497: /*
2498: * If don't have AX but do have op, send sgr0 (op can't
2499: * actually be used because it is sometimes the same as sgr0
2500: * and sometimes isn't). This resets both colours to default.
2501: *
2502: * Otherwise, try to set the default colour only as needed.
2503: */
1.174 nicm 2504: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2505: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2506: tty_reset(tty);
2507: else {
1.310 nicm 2508: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2509: if (have_ax)
2510: tty_puts(tty, "\033[39m");
1.204 nicm 2511: else if (tc->fg != 7)
1.61 nicm 2512: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2513: tc->fg = gc->fg;
1.61 nicm 2514: }
1.310 nicm 2515: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2516: if (have_ax)
1.61 nicm 2517: tty_puts(tty, "\033[49m");
1.204 nicm 2518: else if (tc->bg != 0)
1.61 nicm 2519: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2520: tc->bg = gc->bg;
1.61 nicm 2521: }
2522: }
2523: }
1.1 nicm 2524:
1.61 nicm 2525: /* Set the foreground colour. */
1.310 nicm 2526: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2527: tty_colours_fg(tty, gc);
1.1 nicm 2528:
1.61 nicm 2529: /*
2530: * Set the background colour. This must come after the foreground as
2531: * tty_colour_fg() can call tty_reset().
2532: */
1.310 nicm 2533: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2534: tty_colours_bg(tty, gc);
1.328 nicm 2535:
1.399 nicm 2536: /* Set the underscore colour. */
1.328 nicm 2537: if (gc->us != tc->us)
2538: tty_colours_us(tty, gc);
1.1 nicm 2539: }
2540:
1.219 nicm 2541: static void
1.399 nicm 2542: tty_check_fg(struct tty *tty, struct colour_palette *palette,
2543: struct grid_cell *gc)
1.85 nicm 2544: {
1.204 nicm 2545: u_char r, g, b;
2546: u_int colours;
1.223 nicm 2547: int c;
1.85 nicm 2548:
1.288 nicm 2549: /*
2550: * Perform substitution if this pane has a palette. If the bright
2551: * attribute is set, use the bright entry in the palette by changing to
2552: * the aixterm colour.
2553: */
2554: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2555: c = gc->fg;
1.289 nicm 2556: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2557: c += 90;
1.399 nicm 2558: if ((c = colour_palette_get(palette, c)) != -1)
1.288 nicm 2559: gc->fg = c;
2560: }
1.219 nicm 2561:
1.199 nicm 2562: /* Is this a 24-bit colour? */
1.204 nicm 2563: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2564: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2565: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2566: return;
1.341 nicm 2567: colour_split_rgb(gc->fg, &r, &g, &b);
2568: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2569: }
1.224 nicm 2570:
2571: /* How many colours does this terminal have? */
1.359 nicm 2572: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2573: colours = 256;
2574: else
2575: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2576:
1.85 nicm 2577: /* Is this a 256-colour colour? */
1.204 nicm 2578: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2579: /* And not a 256 colour mode? */
1.387 nicm 2580: if (colours < 256) {
1.85 nicm 2581: gc->fg = colour_256to16(gc->fg);
2582: if (gc->fg & 8) {
2583: gc->fg &= 7;
1.175 nicm 2584: if (colours >= 16)
2585: gc->fg += 90;
1.332 nicm 2586: }
1.85 nicm 2587: }
2588: return;
2589: }
2590:
2591: /* Is this an aixterm colour? */
2592: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2593: gc->fg -= 90;
2594: gc->attr |= GRID_ATTR_BRIGHT;
2595: }
2596: }
2597:
1.219 nicm 2598: static void
1.399 nicm 2599: tty_check_bg(struct tty *tty, struct colour_palette *palette,
2600: struct grid_cell *gc)
1.85 nicm 2601: {
1.204 nicm 2602: u_char r, g, b;
2603: u_int colours;
1.223 nicm 2604: int c;
1.85 nicm 2605:
1.288 nicm 2606: /* Perform substitution if this pane has a palette. */
2607: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2608: if ((c = colour_palette_get(palette, gc->bg)) != -1)
1.288 nicm 2609: gc->bg = c;
2610: }
1.219 nicm 2611:
1.199 nicm 2612: /* Is this a 24-bit colour? */
1.204 nicm 2613: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2614: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2615: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2616: return;
1.341 nicm 2617: colour_split_rgb(gc->bg, &r, &g, &b);
2618: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2619: }
1.224 nicm 2620:
2621: /* How many colours does this terminal have? */
1.359 nicm 2622: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2623: colours = 256;
2624: else
2625: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2626:
1.85 nicm 2627: /* Is this a 256-colour colour? */
1.204 nicm 2628: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2629: /*
2630: * And not a 256 colour mode? Translate to 16-colour
2631: * palette. Bold background doesn't exist portably, so just
2632: * discard the bold bit if set.
2633: */
1.387 nicm 2634: if (colours < 256) {
1.85 nicm 2635: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2636: if (gc->bg & 8) {
1.85 nicm 2637: gc->bg &= 7;
1.175 nicm 2638: if (colours >= 16)
1.322 nicm 2639: gc->bg += 90;
1.175 nicm 2640: }
1.85 nicm 2641: }
2642: return;
2643: }
2644:
2645: /* Is this an aixterm colour? */
1.175 nicm 2646: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2647: gc->bg -= 90;
2648: }
2649:
1.207 nicm 2650: static void
1.399 nicm 2651: tty_check_us(__unused struct tty *tty, struct colour_palette *palette,
2652: struct grid_cell *gc)
1.328 nicm 2653: {
2654: int c;
2655:
2656: /* Perform substitution if this pane has a palette. */
2657: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2658: if ((c = colour_palette_get(palette, gc->us)) != -1)
1.328 nicm 2659: gc->us = c;
2660: }
2661:
2662: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2663: if (gc->us & COLOUR_FLAG_256)
2664: gc->us = colour_256toRGB (gc->us);
2665: }
2666:
2667: static void
1.85 nicm 2668: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2669: {
1.61 nicm 2670: struct grid_cell *tc = &tty->cell;
1.79 nicm 2671: char s[32];
1.1 nicm 2672:
1.204 nicm 2673: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2674: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2675: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.385 nicm 2676: goto save;
1.199 nicm 2677: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2678: return;
1.1 nicm 2679: }
2680:
1.79 nicm 2681: /* Is this an aixterm bright colour? */
1.204 nicm 2682: if (gc->fg >= 90 && gc->fg <= 97) {
1.359 nicm 2683: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2684: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2685: tty_puts(tty, s);
2686: } else
2687: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.385 nicm 2688: goto save;
1.79 nicm 2689: }
2690:
1.61 nicm 2691: /* Otherwise set the foreground colour. */
1.204 nicm 2692: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2693:
1.385 nicm 2694: save:
1.61 nicm 2695: /* Save the new values in the terminal current cell. */
1.204 nicm 2696: tc->fg = gc->fg;
1.1 nicm 2697: }
2698:
1.207 nicm 2699: static void
1.73 nicm 2700: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2701: {
1.61 nicm 2702: struct grid_cell *tc = &tty->cell;
1.79 nicm 2703: char s[32];
1.1 nicm 2704:
1.204 nicm 2705: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2706: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2707: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.385 nicm 2708: goto save;
1.199 nicm 2709: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2710: return;
1.79 nicm 2711: }
2712:
2713: /* Is this an aixterm bright colour? */
1.204 nicm 2714: if (gc->bg >= 90 && gc->bg <= 97) {
1.359 nicm 2715: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2716: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2717: tty_puts(tty, s);
2718: } else
2719: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.385 nicm 2720: goto save;
1.1 nicm 2721: }
2722:
1.61 nicm 2723: /* Otherwise set the background colour. */
1.204 nicm 2724: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2725:
1.385 nicm 2726: save:
1.61 nicm 2727: /* Save the new values in the terminal current cell. */
1.204 nicm 2728: tc->bg = gc->bg;
1.328 nicm 2729: }
2730:
2731: static void
2732: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2733: {
2734: struct grid_cell *tc = &tty->cell;
2735: u_int c;
2736: u_char r, g, b;
2737:
1.385 nicm 2738: /* Clear underline colour. */
2739: if (gc->us == 0) {
2740: tty_putcode(tty, TTYC_OL);
2741: goto save;
2742: }
2743:
1.328 nicm 2744: /* Must be an RGB colour - this should never happen. */
2745: if (~gc->us & COLOUR_FLAG_RGB)
2746: return;
2747:
2748: /*
1.385 nicm 2749: * Setulc and setal follows the ncurses(3) one argument "direct colour"
1.328 nicm 2750: * capability format. Calculate the colour value.
2751: */
2752: colour_split_rgb(gc->us, &r, &g, &b);
2753: c = (65536 * r) + (256 * g) + b;
2754:
1.385 nicm 2755: /*
2756: * Write the colour. Only use setal if the RGB flag is set because the
2757: * non-RGB version may be wrong.
2758: */
2759: if (tty_term_has(tty->term, TTYC_SETULC))
2760: tty_putcode1(tty, TTYC_SETULC, c);
2761: else if (tty_term_has(tty->term, TTYC_SETAL) &&
2762: tty_term_has(tty->term, TTYC_RGB))
2763: tty_putcode1(tty, TTYC_SETAL, c);
1.328 nicm 2764:
1.385 nicm 2765: save:
1.328 nicm 2766: /* Save the new values in the terminal current cell. */
2767: tc->us = gc->us;
1.61 nicm 2768: }
2769:
1.207 nicm 2770: static int
1.204 nicm 2771: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2772: {
1.204 nicm 2773: u_char r, g, b;
1.61 nicm 2774:
1.204 nicm 2775: if (colour & COLOUR_FLAG_256) {
1.359 nicm 2776: if (*type == '3' && tty_term_has(tty->term, TTYC_SETAF))
2777: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2778: else if (tty_term_has(tty->term, TTYC_SETAB))
2779: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2780: return (0);
1.204 nicm 2781: }
2782:
2783: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2784: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.359 nicm 2785: if (*type == '3' && tty_term_has(tty->term, TTYC_SETRGBF))
1.286 nicm 2786: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
1.359 nicm 2787: else if (tty_term_has(tty->term, TTYC_SETRGBB))
1.286 nicm 2788: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
1.165 nicm 2789: return (0);
2790: }
1.61 nicm 2791:
1.165 nicm 2792: return (-1);
1.176 nicm 2793: }
2794:
1.207 nicm 2795: static void
1.371 nicm 2796: tty_window_default_style(struct grid_cell *gc, struct window_pane *wp)
2797: {
2798: memcpy(gc, &grid_default_cell, sizeof *gc);
1.399 nicm 2799: gc->fg = wp->palette.fg;
2800: gc->bg = wp->palette.bg;
1.371 nicm 2801: }
2802:
1.373 nicm 2803: void
1.317 nicm 2804: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2805: {
1.400 nicm 2806: struct options *oo = wp->options;
2807: struct format_tree *ft;
1.373 nicm 2808:
2809: memcpy(gc, &grid_default_cell, sizeof *gc);
1.326 nicm 2810:
2811: if (wp->flags & PANE_STYLECHANGED) {
1.400 nicm 2812: log_debug("%%%u: style changed", wp->id);
1.326 nicm 2813: wp->flags &= ~PANE_STYLECHANGED;
1.371 nicm 2814:
1.400 nicm 2815: ft = format_create(NULL, NULL, FORMAT_PANE|wp->id,
2816: FORMAT_NOJOBS);
2817: format_defaults(ft, NULL, NULL, NULL, wp);
1.371 nicm 2818: tty_window_default_style(&wp->cached_active_gc, wp);
1.400 nicm 2819: style_add(&wp->cached_active_gc, oo, "window-active-style", ft);
1.371 nicm 2820: tty_window_default_style(&wp->cached_gc, wp);
1.400 nicm 2821: style_add(&wp->cached_gc, oo, "window-style", ft);
2822: format_free(ft);
1.203 nicm 2823: }
1.176 nicm 2824:
1.204 nicm 2825: if (gc->fg == 8) {
1.370 nicm 2826: if (wp == wp->window->active && wp->cached_active_gc.fg != 8)
2827: gc->fg = wp->cached_active_gc.fg;
1.204 nicm 2828: else
1.370 nicm 2829: gc->fg = wp->cached_gc.fg;
1.176 nicm 2830: }
2831:
1.204 nicm 2832: if (gc->bg == 8) {
1.370 nicm 2833: if (wp == wp->window->active && wp->cached_active_gc.bg != 8)
2834: gc->bg = wp->cached_active_gc.bg;
1.204 nicm 2835: else
1.370 nicm 2836: gc->bg = wp->cached_gc.bg;
1.176 nicm 2837: }
1.210 nicm 2838: }
2839:
2840: static void
1.373 nicm 2841: tty_default_attributes(struct tty *tty, const struct grid_cell *defaults,
1.399 nicm 2842: struct colour_palette *palette, u_int bg)
1.210 nicm 2843: {
1.373 nicm 2844: struct grid_cell gc;
1.210 nicm 2845:
2846: memcpy(&gc, &grid_default_cell, sizeof gc);
2847: gc.bg = bg;
1.373 nicm 2848: tty_attributes(tty, &gc, defaults, palette);
1.1 nicm 2849: }
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