Annotation of src/usr.bin/tmux/tty.c, Revision 1.406
1.406 ! nicm 1: /* $OpenBSD: tty.c,v 1.405 2021/10/06 10:33:12 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);
1.406 ! nicm 74: static void tty_check_overlay_range(struct tty *, u_int, u_int, u_int,
! 75: struct overlay_ranges *);
1.1 nicm 76:
1.212 nicm 77: #define tty_use_margin(tty) \
1.359 nicm 78: (tty->term->flags & TERM_DECSLRM)
1.372 nicm 79: #define tty_full_width(tty, ctx) \
80: ((ctx)->xoff == 0 && (ctx)->sx >= (tty)->sx)
1.132 nicm 81:
1.266 nicm 82: #define TTY_BLOCK_INTERVAL (100000 /* 100 milliseconds */)
83: #define TTY_BLOCK_START(tty) (1 + ((tty)->sx * (tty)->sy) * 8)
84: #define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
85:
1.192 nicm 86: void
87: tty_create_log(void)
88: {
89: char name[64];
90:
91: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
92:
93: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
94: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
95: fatal("fcntl failed");
96: }
97:
1.185 nicm 98: int
1.380 nicm 99: tty_init(struct tty *tty, struct client *c)
1.1 nicm 100: {
1.380 nicm 101: if (!isatty(c->fd))
1.185 nicm 102: return (-1);
103:
1.30 nicm 104: memset(tty, 0, sizeof *tty);
1.136 nicm 105: tty->client = c;
1.30 nicm 106:
1.391 nicm 107: tty->cstyle = SCREEN_CURSOR_DEFAULT;
1.107 nicm 108: tty->ccolour = xstrdup("");
1.30 nicm 109:
1.380 nicm 110: if (tcgetattr(c->fd, &tty->tio) != 0)
111: return (-1);
1.185 nicm 112: return (0);
1.31 nicm 113: }
114:
1.287 nicm 115: void
1.31 nicm 116: tty_resize(struct tty *tty)
117: {
1.258 nicm 118: struct client *c = tty->client;
119: struct winsize ws;
1.334 nicm 120: u_int sx, sy, xpixel, ypixel;
1.31 nicm 121:
1.380 nicm 122: if (ioctl(c->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 123: sx = ws.ws_col;
1.334 nicm 124: if (sx == 0) {
1.88 nicm 125: sx = 80;
1.334 nicm 126: xpixel = 0;
127: } else
128: xpixel = ws.ws_xpixel / sx;
1.88 nicm 129: sy = ws.ws_row;
1.334 nicm 130: if (sy == 0) {
1.88 nicm 131: sy = 24;
1.334 nicm 132: ypixel = 0;
133: } else
134: ypixel = ws.ws_ypixel / sy;
1.88 nicm 135: } else {
136: sx = 80;
137: sy = 24;
1.334 nicm 138: xpixel = 0;
139: ypixel = 0;
1.31 nicm 140: }
1.334 nicm 141: log_debug("%s: %s now %ux%u (%ux%u)", __func__, c->name, sx, sy,
142: xpixel, ypixel);
143: tty_set_size(tty, sx, sy, xpixel, ypixel);
1.242 nicm 144: tty_invalidate(tty);
1.114 nicm 145: }
146:
1.287 nicm 147: void
1.334 nicm 148: tty_set_size(struct tty *tty, u_int sx, u_int sy, u_int xpixel, u_int ypixel)
1.212 nicm 149: {
1.114 nicm 150: tty->sx = sx;
151: tty->sy = sy;
1.334 nicm 152: tty->xpixel = xpixel;
153: tty->ypixel = ypixel;
1.1 nicm 154: }
155:
1.244 nicm 156: static void
157: tty_read_callback(__unused int fd, __unused short events, void *data)
158: {
159: struct tty *tty = data;
1.258 nicm 160: struct client *c = tty->client;
1.375 nicm 161: const char *name = c->name;
1.244 nicm 162: size_t size = EVBUFFER_LENGTH(tty->in);
163: int nread;
164:
1.380 nicm 165: nread = evbuffer_read(tty->in, c->fd, -1);
1.295 nicm 166: if (nread == 0 || nread == -1) {
1.375 nicm 167: if (nread == 0)
168: log_debug("%s: read closed", name);
169: else
170: log_debug("%s: read error: %s", name, strerror(errno));
1.290 nicm 171: event_del(&tty->event_in);
1.295 nicm 172: server_client_lost(tty->client);
1.244 nicm 173: return;
1.290 nicm 174: }
1.375 nicm 175: log_debug("%s: read %d bytes (already %zu)", name, nread, size);
1.244 nicm 176:
177: while (tty_keys_next(tty))
178: ;
179: }
180:
181: static void
1.266 nicm 182: tty_timer_callback(__unused int fd, __unused short events, void *data)
183: {
184: struct tty *tty = data;
185: struct client *c = tty->client;
186: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
187:
188: log_debug("%s: %zu discarded", c->name, tty->discarded);
189:
1.305 nicm 190: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.266 nicm 191: c->discarded += tty->discarded;
192:
193: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
194: tty->flags &= ~TTY_BLOCK;
195: tty_invalidate(tty);
196: return;
197: }
198: tty->discarded = 0;
199: evtimer_add(&tty->timer, &tv);
200: }
201:
202: static int
203: tty_block_maybe(struct tty *tty)
204: {
205: struct client *c = tty->client;
206: size_t size = EVBUFFER_LENGTH(tty->out);
207: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
208:
209: if (size < TTY_BLOCK_START(tty))
210: return (0);
211:
212: if (tty->flags & TTY_BLOCK)
213: return (1);
214: tty->flags |= TTY_BLOCK;
215:
216: log_debug("%s: can't keep up, %zu discarded", c->name, size);
217:
218: evbuffer_drain(tty->out, size);
219: c->discarded += size;
220:
221: tty->discarded = 0;
222: evtimer_add(&tty->timer, &tv);
223: return (1);
224: }
225:
226: static void
1.244 nicm 227: tty_write_callback(__unused int fd, __unused short events, void *data)
228: {
1.246 nicm 229: struct tty *tty = data;
1.258 nicm 230: struct client *c = tty->client;
1.246 nicm 231: size_t size = EVBUFFER_LENGTH(tty->out);
232: int nwrite;
1.244 nicm 233:
1.380 nicm 234: nwrite = evbuffer_write(tty->out, c->fd);
1.244 nicm 235: if (nwrite == -1)
236: return;
1.258 nicm 237: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 238:
1.270 nicm 239: if (c->redraw > 0) {
240: if ((size_t)nwrite >= c->redraw)
241: c->redraw = 0;
242: else
243: c->redraw -= nwrite;
244: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
245: c->redraw);
246: } else if (tty_block_maybe(tty))
1.266 nicm 247: return;
248:
1.247 nicm 249: if (EVBUFFER_LENGTH(tty->out) != 0)
250: event_add(&tty->event_out, NULL);
1.244 nicm 251: }
252:
1.1 nicm 253: int
1.166 nicm 254: tty_open(struct tty *tty, char **cause)
1.1 nicm 255: {
1.359 nicm 256: struct client *c = tty->client;
257:
1.389 nicm 258: tty->term = tty_term_create(tty, c->term_name, c->term_caps,
259: c->term_ncaps, &c->term_features, cause);
1.21 nicm 260: if (tty->term == NULL) {
261: tty_close(tty);
262: return (-1);
263: }
264: tty->flags |= TTY_OPENED;
1.1 nicm 265:
1.266 nicm 266: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 267:
1.380 nicm 268: event_set(&tty->event_in, c->fd, EV_PERSIST|EV_READ,
1.244 nicm 269: tty_read_callback, tty);
270: tty->in = evbuffer_new();
1.311 nicm 271: if (tty->in == NULL)
272: fatal("out of memory");
1.1 nicm 273:
1.380 nicm 274: event_set(&tty->event_out, c->fd, EV_WRITE, tty_write_callback, tty);
1.244 nicm 275: tty->out = evbuffer_new();
1.311 nicm 276: if (tty->out == NULL)
277: fatal("out of memory");
1.1 nicm 278:
1.266 nicm 279: evtimer_set(&tty->timer, tty_timer_callback, tty);
280:
1.1 nicm 281: tty_start_tty(tty);
282:
1.148 nicm 283: tty_keys_build(tty);
1.1 nicm 284:
285: return (0);
286: }
287:
1.340 nicm 288: static void
289: tty_start_timer_callback(__unused int fd, __unused short events, void *data)
290: {
291: struct tty *tty = data;
292: struct client *c = tty->client;
293:
294: log_debug("%s: start timer fired", c->name);
1.378 nicm 295: if ((tty->flags & (TTY_HAVEDA|TTY_HAVEXDA)) == 0)
296: tty_update_features(tty);
1.364 nicm 297: tty->flags |= (TTY_HAVEDA|TTY_HAVEXDA);
1.340 nicm 298: }
299:
1.244 nicm 300: void
301: tty_start_tty(struct tty *tty)
1.1 nicm 302: {
1.285 nicm 303: struct client *c = tty->client;
304: struct termios tio;
1.340 nicm 305: struct timeval tv = { .tv_sec = 1 };
1.33 nicm 306:
1.380 nicm 307: setblocking(c->fd, 0);
308: event_add(&tty->event_in, NULL);
309:
310: memcpy(&tio, &tty->tio, sizeof tio);
311: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
312: tio.c_iflag |= IGNBRK;
313: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
314: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|ECHOPRT|
315: ECHOKE|ISIG);
316: tio.c_cc[VMIN] = 1;
317: tio.c_cc[VTIME] = 0;
318: if (tcsetattr(c->fd, TCSANOW, &tio) == 0)
1.404 nicm 319: tcflush(c->fd, TCOFLUSH);
1.1 nicm 320:
1.10 nicm 321: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 322:
1.252 nicm 323: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 324: tty_putcode(tty, TTYC_CLEAR);
325:
326: if (tty_acs_needed(tty)) {
327: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 328: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 329: } else
330: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 331:
332: tty_putcode(tty, TTYC_CNORM);
1.343 nicm 333: if (tty_term_has(tty->term, TTYC_KMOUS)) {
334: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1003l");
335: tty_puts(tty, "\033[?1006l\033[?1005l");
336: }
1.121 nicm 337:
1.340 nicm 338: evtimer_set(&tty->start_timer, tty_start_timer_callback, tty);
339: evtimer_add(&tty->start_timer, &tv);
340:
1.20 nicm 341: tty->flags |= TTY_STARTED;
1.242 nicm 342: tty_invalidate(tty);
1.107 nicm 343:
1.336 nicm 344: if (*tty->ccolour != '\0')
345: tty_force_cursor_colour(tty, "");
1.177 nicm 346:
347: tty->mouse_drag_flag = 0;
348: tty->mouse_drag_update = NULL;
349: tty->mouse_drag_release = NULL;
1.347 nicm 350: }
351:
352: void
353: tty_send_requests(struct tty *tty)
354: {
355: if (~tty->flags & TTY_STARTED)
356: return;
357:
1.369 nicm 358: if (tty->term->flags & TERM_VT100LIKE) {
1.347 nicm 359: if (~tty->flags & TTY_HAVEDA)
1.351 nicm 360: tty_puts(tty, "\033[>c");
1.364 nicm 361: if (~tty->flags & TTY_HAVEXDA)
362: tty_puts(tty, "\033[>q");
1.347 nicm 363: } else
1.364 nicm 364: tty->flags |= (TTY_HAVEDA|TTY_HAVEXDA);
1.128 nicm 365: }
366:
367: void
1.1 nicm 368: tty_stop_tty(struct tty *tty)
369: {
1.380 nicm 370: struct client *c = tty->client;
371: struct winsize ws;
1.1 nicm 372:
1.20 nicm 373: if (!(tty->flags & TTY_STARTED))
374: return;
375: tty->flags &= ~TTY_STARTED;
1.340 nicm 376:
377: evtimer_del(&tty->start_timer);
1.20 nicm 378:
1.266 nicm 379: event_del(&tty->timer);
380: tty->flags &= ~TTY_BLOCK;
381:
1.244 nicm 382: event_del(&tty->event_in);
383: event_del(&tty->event_out);
1.66 nicm 384:
1.1 nicm 385: /*
386: * Be flexible about error handling and try not kill the server just
387: * because the fd is invalid. Things like ssh -t can easily leave us
388: * with a dead tty.
389: */
1.380 nicm 390: if (ioctl(c->fd, TIOCGWINSZ, &ws) == -1)
1.1 nicm 391: return;
1.380 nicm 392: if (tcsetattr(c->fd, TCSANOW, &tty->tio) == -1)
1.1 nicm 393: return;
394:
395: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 396: if (tty_acs_needed(tty))
1.90 nicm 397: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 398: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
399: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
400: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.391 nicm 401: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
1.160 nicm 402: if (tty_term_has(tty->term, TTYC_SE))
403: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.391 nicm 404: else if (tty_term_has(tty->term, TTYC_SS))
1.160 nicm 405: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 406: }
1.173 nicm 407: if (tty->mode & MODE_BRACKETPASTE)
1.366 nicm 408: tty_raw(tty, tty_term_string(tty->term, TTYC_DSBP));
1.336 nicm 409: if (*tty->ccolour != '\0')
410: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 411:
412: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
1.343 nicm 413: if (tty_term_has(tty->term, TTYC_KMOUS)) {
414: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1003l");
415: tty_raw(tty, "\033[?1006l\033[?1005l");
416: }
1.151 nicm 417:
1.369 nicm 418: if (tty->term->flags & TERM_VT100LIKE)
1.352 nicm 419: tty_raw(tty, "\033[?7727l");
1.378 nicm 420: tty_raw(tty, tty_term_string(tty->term, TTYC_DSFCS));
421: tty_raw(tty, tty_term_string(tty->term, TTYC_DSEKS));
1.10 nicm 422:
1.212 nicm 423: if (tty_use_margin(tty))
1.365 nicm 424: tty_raw(tty, tty_term_string(tty->term, TTYC_DSMG));
1.10 nicm 425: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 426:
1.380 nicm 427: setblocking(c->fd, 1);
1.1 nicm 428: }
429:
430: void
1.20 nicm 431: tty_close(struct tty *tty)
1.1 nicm 432: {
1.123 nicm 433: if (event_initialized(&tty->key_timer))
434: evtimer_del(&tty->key_timer);
1.20 nicm 435: tty_stop_tty(tty);
1.1 nicm 436:
1.21 nicm 437: if (tty->flags & TTY_OPENED) {
1.244 nicm 438: evbuffer_free(tty->in);
439: event_del(&tty->event_in);
440: evbuffer_free(tty->out);
441: event_del(&tty->event_out);
1.66 nicm 442:
1.21 nicm 443: tty_term_free(tty->term);
444: tty_keys_free(tty);
445:
446: tty->flags &= ~TTY_OPENED;
447: }
1.1 nicm 448: }
449:
450: void
1.20 nicm 451: tty_free(struct tty *tty)
1.1 nicm 452: {
1.20 nicm 453: tty_close(tty);
1.138 nicm 454: free(tty->ccolour);
1.1 nicm 455: }
456:
457: void
1.359 nicm 458: tty_update_features(struct tty *tty)
1.212 nicm 459: {
1.359 nicm 460: struct client *c = tty->client;
461:
1.362 nicm 462: if (tty_apply_features(tty->term, c->term_features))
463: tty_term_apply_overrides(tty->term);
1.212 nicm 464:
465: if (tty_use_margin(tty))
1.365 nicm 466: tty_putcode(tty, TTYC_ENMG);
1.378 nicm 467: if (options_get_number(global_options, "extended-keys"))
468: tty_puts(tty, tty_term_string(tty->term, TTYC_ENEKS));
469: if (options_get_number(global_options, "focus-events"))
1.379 nicm 470: tty_puts(tty, tty_term_string(tty->term, TTYC_ENFCS));
1.378 nicm 471: if (tty->term->flags & TERM_VT100LIKE)
472: tty_puts(tty, "\033[?7727h");
1.212 nicm 473: }
474:
475: void
1.1 nicm 476: tty_raw(struct tty *tty, const char *s)
477: {
1.380 nicm 478: struct client *c = tty->client;
479: ssize_t n, slen;
480: u_int i;
1.150 nicm 481:
482: slen = strlen(s);
483: for (i = 0; i < 5; i++) {
1.380 nicm 484: n = write(c->fd, s, slen);
1.150 nicm 485: if (n >= 0) {
486: s += n;
487: slen -= n;
488: if (slen == 0)
489: break;
490: } else if (n == -1 && errno != EAGAIN)
491: break;
492: usleep(100);
493: }
1.1 nicm 494: }
495:
496: void
497: tty_putcode(struct tty *tty, enum tty_code_code code)
498: {
499: tty_puts(tty, tty_term_string(tty->term, code));
500: }
501:
502: void
503: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
504: {
505: if (a < 0)
506: return;
507: tty_puts(tty, tty_term_string1(tty->term, code, a));
508: }
509:
510: void
511: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
512: {
513: if (a < 0 || b < 0)
514: return;
515: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
516: }
517:
518: void
1.286 nicm 519: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
520: {
521: if (a < 0 || b < 0 || c < 0)
522: return;
523: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
524: }
525:
526: void
1.107 nicm 527: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
528: {
529: if (a != NULL)
530: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
531: }
532:
533: void
1.167 nicm 534: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
535: const void *b)
1.106 nicm 536: {
537: if (a != NULL && b != NULL)
538: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
539: }
540:
1.243 nicm 541: static void
542: tty_add(struct tty *tty, const char *buf, size_t len)
543: {
1.258 nicm 544: struct client *c = tty->client;
545:
1.266 nicm 546: if (tty->flags & TTY_BLOCK) {
547: tty->discarded += len;
548: return;
549: }
550:
1.244 nicm 551: evbuffer_add(tty->out, buf, len);
1.270 nicm 552: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 553: c->written += len;
1.243 nicm 554:
555: if (tty_log_fd != -1)
556: write(tty_log_fd, buf, len);
1.244 nicm 557: if (tty->flags & TTY_STARTED)
558: event_add(&tty->event_out, NULL);
1.243 nicm 559: }
560:
1.106 nicm 561: void
1.1 nicm 562: tty_puts(struct tty *tty, const char *s)
563: {
1.243 nicm 564: if (*s != '\0')
565: tty_add(tty, s, strlen(s));
1.1 nicm 566: }
567:
568: void
569: tty_putc(struct tty *tty, u_char ch)
570: {
1.90 nicm 571: const char *acs;
1.1 nicm 572:
1.382 nicm 573: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 574: ch >= 0x20 && ch != 0x7f &&
575: tty->cy == tty->sy - 1 &&
576: tty->cx + 1 >= tty->sx)
577: return;
578:
1.90 nicm 579: if (tty->cell.attr & GRID_ATTR_CHARSET) {
580: acs = tty_acs_get(tty, ch);
1.243 nicm 581: if (acs != NULL)
582: tty_add(tty, acs, strlen(acs));
583: else
584: tty_add(tty, &ch, 1);
585: } else
586: tty_add(tty, &ch, 1);
1.1 nicm 587:
588: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 589: if (tty->cx >= tty->sx) {
1.46 nicm 590: tty->cx = 1;
591: if (tty->cy != tty->rlower)
592: tty->cy++;
1.211 nicm 593:
594: /*
1.382 nicm 595: * On !am terminals, force the cursor position to where
596: * we think it should be after a line wrap - this means
597: * it works on sensible terminals as well.
1.211 nicm 598: */
1.382 nicm 599: if (tty->term->flags & TERM_NOAM)
1.211 nicm 600: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 601: } else
602: tty->cx++;
603: }
604: }
605:
606: void
1.147 nicm 607: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 608: {
1.382 nicm 609: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 610: tty->cy == tty->sy - 1 &&
611: tty->cx + len >= tty->sx)
612: len = tty->sx - tty->cx - 1;
613:
1.243 nicm 614: tty_add(tty, buf, len);
1.268 nicm 615: if (tty->cx + width > tty->sx) {
616: tty->cx = (tty->cx + width) - tty->sx;
617: if (tty->cx <= tty->sx)
618: tty->cy++;
619: else
620: tty->cx = tty->cy = UINT_MAX;
621: } else
1.254 nicm 622: tty->cx += width;
1.5 nicm 623: }
624:
1.207 nicm 625: static void
1.180 nicm 626: tty_set_italics(struct tty *tty)
627: {
628: const char *s;
629:
630: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 631: s = options_get_string(global_options, "default-terminal");
1.180 nicm 632: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
633: tty_putcode(tty, TTYC_SITM);
634: return;
635: }
636: }
637: tty_putcode(tty, TTYC_SMSO);
638: }
639:
640: void
1.1 nicm 641: tty_set_title(struct tty *tty, const char *title)
642: {
1.105 nicm 643: if (!tty_term_has(tty->term, TTYC_TSL) ||
644: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 645: return;
646:
1.105 nicm 647: tty_putcode(tty, TTYC_TSL);
1.1 nicm 648: tty_puts(tty, title);
1.105 nicm 649: tty_putcode(tty, TTYC_FSL);
1.1 nicm 650: }
651:
1.208 nicm 652: static void
1.107 nicm 653: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
654: {
655: if (*ccolour == '\0')
656: tty_putcode(tty, TTYC_CR);
657: else
1.160 nicm 658: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 659: free(tty->ccolour);
1.107 nicm 660: tty->ccolour = xstrdup(ccolour);
661: }
662:
1.404 nicm 663: static void
664: tty_update_cursor(struct tty *tty, int mode, int changed, struct screen *s)
665: {
666: enum screen_cursor_style cstyle;
667:
668: /* Set cursor colour if changed. */
669: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
670: tty_force_cursor_colour(tty, s->ccolour);
671:
672: /* If cursor is off, set as invisible. */
673: if (~mode & MODE_CURSOR) {
674: if (changed & MODE_CURSOR)
675: tty_putcode(tty, TTYC_CIVIS);
676: return;
677: }
678:
679: /* Check if blinking or very visible flag changed or style changed. */
680: if (s == NULL)
681: cstyle = tty->cstyle;
682: else
683: cstyle = s->cstyle;
684: if ((changed & CURSOR_MODES) == 0 && cstyle == tty->cstyle)
685: return;
686:
687: /*
688: * Set cursor style. If an explicit style has been set with DECSCUSR,
689: * set it if supported, otherwise send cvvis for blinking styles.
690: *
691: * If no style, has been set (SCREEN_CURSOR_DEFAULT), then send cvvis
692: * if either the blinking or very visible flags are set.
693: */
694: tty_putcode(tty, TTYC_CNORM);
695: switch (cstyle) {
696: case SCREEN_CURSOR_DEFAULT:
1.405 nicm 697: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
698: if (tty_term_has(tty->term, TTYC_SE))
699: tty_putcode(tty, TTYC_SE);
700: else
701: tty_putcode1(tty, TTYC_SS, 0);
702: }
1.404 nicm 703: if (mode & (MODE_CURSOR_BLINKING|MODE_CURSOR_VERY_VISIBLE))
704: tty_putcode(tty, TTYC_CVVIS);
705: break;
706: case SCREEN_CURSOR_BLOCK:
707: if (tty_term_has(tty->term, TTYC_SS)) {
708: if (mode & MODE_CURSOR_BLINKING)
709: tty_putcode1(tty, TTYC_SS, 1);
710: else
711: tty_putcode1(tty, TTYC_SS, 2);
712: } else if (mode & MODE_CURSOR_BLINKING)
713: tty_putcode(tty, TTYC_CVVIS);
714: break;
715: case SCREEN_CURSOR_UNDERLINE:
716: if (tty_term_has(tty->term, TTYC_SS)) {
717: if (mode & MODE_CURSOR_BLINKING)
718: tty_putcode1(tty, TTYC_SS, 3);
719: else
720: tty_putcode1(tty, TTYC_SS, 4);
721: } else if (mode & MODE_CURSOR_BLINKING)
722: tty_putcode(tty, TTYC_CVVIS);
723: break;
724: case SCREEN_CURSOR_BAR:
725: if (tty_term_has(tty->term, TTYC_SS)) {
726: if (mode & MODE_CURSOR_BLINKING)
727: tty_putcode1(tty, TTYC_SS, 5);
728: else
729: tty_putcode1(tty, TTYC_SS, 6);
730: } else if (mode & MODE_CURSOR_BLINKING)
731: tty_putcode(tty, TTYC_CVVIS);
732: break;
733: }
734: tty->cstyle = cstyle;
735: }
736:
1.107 nicm 737: void
738: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 739: {
1.404 nicm 740: struct client *c = tty->client;
741: int changed;
1.107 nicm 742:
1.1 nicm 743: if (tty->flags & TTY_NOCURSOR)
744: mode &= ~MODE_CURSOR;
745:
746: changed = mode ^ tty->mode;
1.392 nicm 747: if (log_get_level() != 0 && changed != 0) {
748: log_debug("%s: current mode %s", c->name,
749: screen_mode_to_string(tty->mode));
750: log_debug("%s: setting mode %s", c->name,
751: screen_mode_to_string(mode));
752: }
1.344 nicm 753:
1.404 nicm 754: tty_update_cursor(tty, mode, changed, s);
1.344 nicm 755: if ((changed & ALL_MOUSE_MODES) &&
756: tty_term_has(tty->term, TTYC_KMOUS)) {
1.386 nicm 757: /*
758: * If the mouse modes have changed, clear any that are set and
759: * apply again. There are differences in how terminals track
760: * the various bits.
761: */
762: if (tty->mode & MODE_MOUSE_SGR)
1.344 nicm 763: tty_puts(tty, "\033[?1006l");
1.386 nicm 764: if (tty->mode & MODE_MOUSE_STANDARD)
1.344 nicm 765: tty_puts(tty, "\033[?1000l");
1.386 nicm 766: if (tty->mode & MODE_MOUSE_BUTTON)
1.344 nicm 767: tty_puts(tty, "\033[?1002l");
1.386 nicm 768: if (tty->mode & MODE_MOUSE_ALL)
1.344 nicm 769: tty_puts(tty, "\033[?1003l");
770: if (mode & ALL_MOUSE_MODES)
1.153 nicm 771: tty_puts(tty, "\033[?1006h");
1.386 nicm 772: if (mode & MODE_MOUSE_STANDARD)
1.344 nicm 773: tty_puts(tty, "\033[?1000h");
1.386 nicm 774: if (mode & MODE_MOUSE_BUTTON)
1.344 nicm 775: tty_puts(tty, "\033[?1002h");
1.386 nicm 776: if (mode & MODE_MOUSE_ALL)
1.344 nicm 777: tty_puts(tty, "\033[?1003h");
1.115 nicm 778: }
779: if (changed & MODE_BRACKETPASTE) {
780: if (mode & MODE_BRACKETPASTE)
1.366 nicm 781: tty_putcode(tty, TTYC_ENBP);
1.115 nicm 782: else
1.366 nicm 783: tty_putcode(tty, TTYC_DSBP);
1.1 nicm 784: }
785: tty->mode = mode;
786: }
787:
1.207 nicm 788: static void
1.168 nicm 789: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
790: enum tty_code_code code1, u_int n)
1.1 nicm 791: {
792: if (tty_term_has(tty->term, code))
793: tty_putcode1(tty, code, n);
794: else {
795: while (n-- > 0)
796: tty_putcode(tty, code1);
797: }
798: }
799:
1.207 nicm 800: static void
1.133 nicm 801: tty_repeat_space(struct tty *tty, u_int n)
802: {
1.257 nicm 803: static char s[500];
804:
805: if (*s != ' ')
806: memset(s, ' ', sizeof s);
807:
808: while (n > sizeof s) {
809: tty_putn(tty, s, sizeof s, sizeof s);
810: n -= sizeof s;
811: }
812: if (n != 0)
813: tty_putn(tty, s, n, n);
1.304 nicm 814: }
815:
1.309 nicm 816: /* Is this window bigger than the terminal? */
817: int
818: tty_window_bigger(struct tty *tty)
819: {
820: struct client *c = tty->client;
821: struct window *w = c->session->curw->window;
822:
823: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
824: }
825:
826: /* What offset should this window be drawn at? */
827: int
828: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
829: {
830: *ox = tty->oox;
831: *oy = tty->ooy;
832: *sx = tty->osx;
833: *sy = tty->osy;
834:
835: return (tty->oflag);
836: }
837:
838: /* What offset should this window be drawn at? */
839: static int
840: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
841: {
842: struct client *c = tty->client;
843: struct window *w = c->session->curw->window;
1.376 nicm 844: struct window_pane *wp = server_client_get_pane(c);
1.309 nicm 845: u_int cx, cy, lines;
846:
847: lines = status_line_size(c);
848:
849: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
850: *ox = 0;
851: *oy = 0;
852: *sx = w->sx;
853: *sy = w->sy;
854:
855: c->pan_window = NULL;
856: return (0);
857: }
858:
859: *sx = tty->sx;
860: *sy = tty->sy - lines;
861:
862: if (c->pan_window == w) {
863: if (*sx >= w->sx)
864: c->pan_ox = 0;
865: else if (c->pan_ox + *sx > w->sx)
866: c->pan_ox = w->sx - *sx;
867: *ox = c->pan_ox;
868: if (*sy >= w->sy)
869: c->pan_oy = 0;
870: else if (c->pan_oy + *sy > w->sy)
871: c->pan_oy = w->sy - *sy;
872: *oy = c->pan_oy;
873: return (1);
874: }
875:
876: if (~wp->screen->mode & MODE_CURSOR) {
877: *ox = 0;
878: *oy = 0;
879: } else {
880: cx = wp->xoff + wp->screen->cx;
881: cy = wp->yoff + wp->screen->cy;
882:
883: if (cx < *sx)
884: *ox = 0;
885: else if (cx > w->sx - *sx)
886: *ox = w->sx - *sx;
887: else
888: *ox = cx - *sx / 2;
889:
890: if (cy < *sy)
891: *oy = 0;
892: else if (cy > w->sy - *sy)
893: *oy = w->sy - *sy;
894: else
895: *oy = cy - *sy / 2;
896: }
897:
898: c->pan_window = NULL;
899: return (1);
900: }
901:
902: /* Update stored offsets for a window and redraw if necessary. */
903: void
904: tty_update_window_offset(struct window *w)
905: {
906: struct client *c;
907:
908: TAILQ_FOREACH(c, &clients, entry) {
909: if (c->session != NULL && c->session->curw->window == w)
910: tty_update_client_offset(c);
911: }
912: }
913:
914: /* Update stored offsets for a client and redraw if necessary. */
915: void
916: tty_update_client_offset(struct client *c)
1.304 nicm 917: {
1.309 nicm 918: u_int ox, oy, sx, sy;
1.314 nicm 919:
920: if (~c->flags & CLIENT_TERMINAL)
921: return;
1.304 nicm 922:
1.309 nicm 923: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
924: if (ox == c->tty.oox &&
925: oy == c->tty.ooy &&
926: sx == c->tty.osx &&
927: sy == c->tty.osy)
928: return;
929:
930: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
931: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
932: ox, oy, sx, sy);
933:
934: c->tty.oox = ox;
935: c->tty.ooy = oy;
936: c->tty.osx = sx;
937: c->tty.osy = sy;
938:
939: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 940: }
941:
1.1 nicm 942: /*
1.119 nicm 943: * Is the region large enough to be worth redrawing once later rather than
944: * probably several times now? Currently yes if it is more than 50% of the
945: * pane.
946: */
1.207 nicm 947: static int
1.194 nicm 948: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 949: {
1.372 nicm 950: return (ctx->orlower - ctx->orupper >= ctx->sy / 2);
1.119 nicm 951: }
952:
953: /*
1.176 nicm 954: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
955: * emulated.
956: */
1.207 nicm 957: static int
1.373 nicm 958: tty_fake_bce(const struct tty *tty, const struct grid_cell *gc, u_int bg)
1.176 nicm 959: {
1.210 nicm 960: if (tty_term_flag(tty->term, TTYC_BCE))
961: return (0);
1.373 nicm 962: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc->bg))
1.210 nicm 963: return (1);
964: return (0);
1.176 nicm 965: }
966:
967: /*
1.1 nicm 968: * Redraw scroll region using data from screen (already updated). Used when
969: * CSR not supported, or window is a pane that doesn't take up the full
970: * width of the terminal.
971: */
1.207 nicm 972: static void
1.24 nicm 973: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 974: {
1.358 nicm 975: struct client *c = tty->client;
1.204 nicm 976: u_int i;
1.1 nicm 977:
978: /*
1.373 nicm 979: * If region is large, schedule a redraw. In most cases this is likely
980: * to be followed by some more scrolling.
1.1 nicm 981: */
1.119 nicm 982: if (tty_large_region(tty, ctx)) {
1.373 nicm 983: log_debug("%s: %s large redraw", __func__, c->name);
984: ctx->redraw_cb(ctx);
1.1 nicm 985: return;
986: }
987:
1.393 nicm 988: for (i = ctx->orupper; i <= ctx->orlower; i++)
989: tty_draw_pane(tty, ctx, i);
1.1 nicm 990: }
991:
1.309 nicm 992: /* Is this position visible in the pane? */
993: static int
1.374 nicm 994: tty_is_visible(__unused struct tty *tty, const struct tty_ctx *ctx, u_int px,
995: u_int py, u_int nx, u_int ny)
1.309 nicm 996: {
1.374 nicm 997: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 998:
999: if (!ctx->bigger)
1000: return (1);
1001:
1.372 nicm 1002: if (xoff + nx <= ctx->wox || xoff >= ctx->wox + ctx->wsx ||
1.374 nicm 1003: yoff + ny <= ctx->woy || yoff >= ctx->woy + ctx->wsy)
1.309 nicm 1004: return (0);
1005: return (1);
1006: }
1007:
1008: /* Clamp line position to visible part of pane. */
1009: static int
1010: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1011: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
1012: {
1.373 nicm 1013: u_int xoff = ctx->rxoff + px;
1.309 nicm 1014:
1015: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
1016: return (0);
1.372 nicm 1017: *ry = ctx->yoff + py - ctx->woy;
1.309 nicm 1018:
1.372 nicm 1019: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1020: /* All visible. */
1021: *i = 0;
1.372 nicm 1022: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1023: *rx = nx;
1.372 nicm 1024: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1025: /* Both left and right not visible. */
1.372 nicm 1026: *i = ctx->wox;
1.309 nicm 1027: *x = 0;
1.372 nicm 1028: *rx = ctx->wsx;
1029: } else if (xoff < ctx->wox) {
1.309 nicm 1030: /* Left not visible. */
1.372 nicm 1031: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1032: *x = 0;
1033: *rx = nx - *i;
1034: } else {
1035: /* Right not visible. */
1036: *i = 0;
1.372 nicm 1037: *x = (ctx->xoff + px) - ctx->wox;
1038: *rx = ctx->wsx - *x;
1.309 nicm 1039: }
1040: if (*rx > nx)
1041: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1042:
1043: return (1);
1044: }
1045:
1046: /* Clear a line. */
1.271 nicm 1047: static void
1.373 nicm 1048: tty_clear_line(struct tty *tty, const struct grid_cell *defaults, u_int py,
1049: u_int px, u_int nx, u_int bg)
1.271 nicm 1050: {
1.406 ! nicm 1051: struct client *c = tty->client;
! 1052: struct overlay_ranges r;
! 1053: u_int i;
1.309 nicm 1054:
1055: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1056:
1057: /* Nothing to clear. */
1058: if (nx == 0)
1059: return;
1060:
1061: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1062: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.271 nicm 1063: /* Off the end of the line, use EL if available. */
1064: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1065: tty_cursor(tty, px, py);
1066: tty_putcode(tty, TTYC_EL);
1067: return;
1068: }
1069:
1070: /* At the start of the line. Use EL1. */
1071: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1072: tty_cursor(tty, px + nx - 1, py);
1073: tty_putcode(tty, TTYC_EL1);
1074: return;
1075: }
1076:
1077: /* Section of line. Use ECH if possible. */
1078: if (tty_term_has(tty->term, TTYC_ECH)) {
1079: tty_cursor(tty, px, py);
1080: tty_putcode1(tty, TTYC_ECH, nx);
1081: return;
1082: }
1083: }
1084:
1.394 nicm 1085: /*
1086: * Couldn't use an escape sequence, use spaces. Clear only the visible
1087: * bit if there is an overlay.
1088: */
1.406 ! nicm 1089: tty_check_overlay_range(tty, px, py, nx, &r);
! 1090: for (i = 0; i < OVERLAY_MAX_RANGES; i++) {
! 1091: if (r.nx[i] == 0)
! 1092: continue;
! 1093: tty_cursor(tty, r.px[i], py);
! 1094: tty_repeat_space(tty, r.nx[i]);
1.394 nicm 1095: }
1.271 nicm 1096: }
1097:
1.309 nicm 1098: /* Clear a line, adjusting to visible part of pane. */
1099: static void
1100: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1101: u_int px, u_int nx, u_int bg)
1102: {
1103: struct client *c = tty->client;
1104: u_int i, x, rx, ry;
1105:
1106: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1107:
1108: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1.373 nicm 1109: tty_clear_line(tty, &ctx->defaults, ry, x, rx, bg);
1.309 nicm 1110: }
1111:
1112: /* Clamp area position to visible part of pane. */
1113: static int
1114: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1115: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1116: u_int *ry)
1117: {
1.373 nicm 1118: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1119:
1120: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1121: return (0);
1122:
1.372 nicm 1123: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1124: /* All visible. */
1125: *i = 0;
1.372 nicm 1126: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1127: *rx = nx;
1.372 nicm 1128: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1129: /* Both left and right not visible. */
1.372 nicm 1130: *i = ctx->wox;
1.309 nicm 1131: *x = 0;
1.372 nicm 1132: *rx = ctx->wsx;
1133: } else if (xoff < ctx->wox) {
1.309 nicm 1134: /* Left not visible. */
1.372 nicm 1135: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1136: *x = 0;
1137: *rx = nx - *i;
1138: } else {
1139: /* Right not visible. */
1140: *i = 0;
1.372 nicm 1141: *x = (ctx->xoff + px) - ctx->wox;
1142: *rx = ctx->wsx - *x;
1.309 nicm 1143: }
1144: if (*rx > nx)
1145: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1146:
1.372 nicm 1147: if (yoff >= ctx->woy && yoff + ny <= ctx->woy + ctx->wsy) {
1.309 nicm 1148: /* All visible. */
1149: *j = 0;
1.372 nicm 1150: *y = ctx->yoff + py - ctx->woy;
1.309 nicm 1151: *ry = ny;
1.372 nicm 1152: } else if (yoff < ctx->woy && yoff + ny > ctx->woy + ctx->wsy) {
1.327 nicm 1153: /* Both top and bottom not visible. */
1.372 nicm 1154: *j = ctx->woy;
1.309 nicm 1155: *y = 0;
1.372 nicm 1156: *ry = ctx->wsy;
1157: } else if (yoff < ctx->woy) {
1.327 nicm 1158: /* Top not visible. */
1.372 nicm 1159: *j = ctx->woy - (ctx->yoff + py);
1.309 nicm 1160: *y = 0;
1161: *ry = ny - *j;
1162: } else {
1.327 nicm 1163: /* Bottom not visible. */
1.309 nicm 1164: *j = 0;
1.372 nicm 1165: *y = (ctx->yoff + py) - ctx->woy;
1166: *ry = ctx->wsy - *y;
1.309 nicm 1167: }
1168: if (*ry > ny)
1169: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1170:
1171: return (1);
1172: }
1173:
1174: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1175: static void
1.373 nicm 1176: tty_clear_area(struct tty *tty, const struct grid_cell *defaults, u_int py,
1177: u_int ny, u_int px, u_int nx, u_int bg)
1.271 nicm 1178: {
1.309 nicm 1179: struct client *c = tty->client;
1180: u_int yy;
1181: char tmp[64];
1.271 nicm 1182:
1.309 nicm 1183: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1184:
1185: /* Nothing to clear. */
1186: if (nx == 0 || ny == 0)
1187: return;
1188:
1189: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1190: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.276 nicm 1191: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1192: if (px == 0 &&
1193: px + nx >= tty->sx &&
1194: py + ny >= tty->sy &&
1195: tty_term_has(tty->term, TTYC_ED)) {
1196: tty_cursor(tty, 0, py);
1197: tty_putcode(tty, TTYC_ED);
1.274 nicm 1198: return;
1199: }
1200:
1201: /*
1.276 nicm 1202: * On VT420 compatible terminals we can use DECFRA if the
1203: * background colour isn't default (because it doesn't work
1204: * after SGR 0).
1.274 nicm 1205: */
1.359 nicm 1206: if ((tty->term->flags & TERM_DECFRA) && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1207: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1208: py + 1, px + 1, py + ny, px + nx);
1209: tty_puts(tty, tmp);
1.276 nicm 1210: return;
1211: }
1212:
1.280 nicm 1213: /* Full lines can be scrolled away to clear them. */
1214: if (px == 0 &&
1.281 nicm 1215: px + nx >= tty->sx &&
1.280 nicm 1216: ny > 2 &&
1217: tty_term_has(tty->term, TTYC_CSR) &&
1218: tty_term_has(tty->term, TTYC_INDN)) {
1219: tty_region(tty, py, py + ny - 1);
1220: tty_margin_off(tty);
1.284 nicm 1221: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1222: return;
1223: }
1224:
1.276 nicm 1225: /*
1226: * If margins are supported, can just scroll the area off to
1227: * clear it.
1228: */
1.277 nicm 1229: if (nx > 2 &&
1230: ny > 2 &&
1.280 nicm 1231: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1232: tty_use_margin(tty) &&
1233: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1234: tty_region(tty, py, py + ny - 1);
1235: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1236: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1237: return;
1238: }
1239: }
1240:
1241: /* Couldn't use an escape sequence, loop over the lines. */
1242: for (yy = py; yy < py + ny; yy++)
1.373 nicm 1243: tty_clear_line(tty, defaults, yy, px, nx, bg);
1.271 nicm 1244: }
1245:
1.309 nicm 1246: /* Clear an area in a pane. */
1247: static void
1248: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1249: u_int ny, u_int px, u_int nx, u_int bg)
1250: {
1251: u_int i, j, x, y, rx, ry;
1252:
1253: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1.373 nicm 1254: tty_clear_area(tty, &ctx->defaults, y, ry, x, rx, bg);
1.309 nicm 1255: }
1256:
1257: static void
1258: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1259: {
1.373 nicm 1260: struct screen *s = ctx->s;
1261: u_int nx = ctx->sx, i, x, rx, ry;
1.309 nicm 1262:
1263: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1264:
1265: if (!ctx->bigger) {
1.373 nicm 1266: tty_draw_line(tty, s, 0, py, nx, ctx->xoff, ctx->yoff + py,
1267: &ctx->defaults, ctx->palette);
1.309 nicm 1268: return;
1269: }
1.373 nicm 1270: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry)) {
1271: tty_draw_line(tty, s, i, py, rx, x, ry, &ctx->defaults,
1272: ctx->palette);
1273: }
1.176 nicm 1274: }
1275:
1.298 nicm 1276: static const struct grid_cell *
1277: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1278: {
1279: static struct grid_cell new;
1.377 nicm 1280: int c;
1.298 nicm 1281:
1282: /* Characters less than 0x7f are always fine, no matter what. */
1283: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1284: return (gc);
1285:
1286: /* UTF-8 terminal and a UTF-8 character - fine. */
1.359 nicm 1287: if (tty->client->flags & CLIENT_UTF8)
1.298 nicm 1288: return (gc);
1.377 nicm 1289: memcpy(&new, gc, sizeof new);
1290:
1291: /* See if this can be mapped to an ACS character. */
1292: c = tty_acs_reverse_get(tty, gc->data.data, gc->data.size);
1293: if (c != -1) {
1294: utf8_set(&new.data, c);
1295: new.attr |= GRID_ATTR_CHARSET;
1296: return (&new);
1297: }
1.298 nicm 1298:
1299: /* Replace by the right number of underscores. */
1.377 nicm 1300: new.data.size = gc->data.width;
1301: if (new.data.size > UTF8_SIZE)
1302: new.data.size = UTF8_SIZE;
1303: memset(new.data.data, '_', new.data.size);
1.298 nicm 1304: return (&new);
1305: }
1306:
1.406 ! nicm 1307: /*
! 1308: * Check if a single character is obstructed by the overlay and return a
! 1309: * boolean.
! 1310: */
1.346 nicm 1311: static int
1312: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1313: {
1.406 ! nicm 1314: struct overlay_ranges r;
! 1315:
! 1316: /*
! 1317: * A unit width range will always return nx[2] == 0 from a check, even
! 1318: * with multiple overlays, so it's sufficient to check just the first
! 1319: * two entries.
! 1320: */
! 1321: tty_check_overlay_range(tty, px, py, 1, &r);
! 1322: if (r.nx[0] + r.nx[1] == 0)
! 1323: return (0);
! 1324: return (1);
! 1325: }
! 1326:
! 1327: /* Return parts of the input range which are visible. */
! 1328: static void
! 1329: tty_check_overlay_range(struct tty *tty, u_int px, u_int py, u_int nx,
! 1330: struct overlay_ranges *r)
! 1331: {
1.346 nicm 1332: struct client *c = tty->client;
1333:
1.406 ! nicm 1334: if (c->overlay_check == NULL) {
! 1335: r->px[0] = px;
! 1336: r->nx[0] = nx;
! 1337: r->px[1] = 0;
! 1338: r->nx[1] = 0;
! 1339: r->px[2] = 0;
! 1340: r->nx[2] = 0;
! 1341: return;
! 1342: }
! 1343:
! 1344: c->overlay_check(c, c->overlay_data, px, py, nx, r);
1.346 nicm 1345: }
1346:
1.176 nicm 1347: void
1.373 nicm 1348: tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
1.399 nicm 1349: u_int atx, u_int aty, const struct grid_cell *defaults,
1350: struct colour_palette *palette)
1.1 nicm 1351: {
1.297 nicm 1352: struct grid *gd = s->grid;
1.250 nicm 1353: struct grid_cell gc, last;
1.298 nicm 1354: const struct grid_cell *gcp;
1.309 nicm 1355: struct grid_line *gl;
1.394 nicm 1356: struct client *c = tty->client;
1.406 ! nicm 1357: struct overlay_ranges r;
! 1358: u_int i, j, ux, sx, width, hidden, eux, nxx;
! 1359: u_int cellsize;
1.396 nicm 1360: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1361: char buf[512];
1.315 nicm 1362: size_t len;
1.1 nicm 1363:
1.309 nicm 1364: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1365: px, py, nx, atx, aty);
1.399 nicm 1366: log_debug("%s: defaults: fg=%d, bg=%d", __func__, defaults->fg,
1367: defaults->bg);
1.309 nicm 1368:
1369: /*
1370: * py is the line in the screen to draw.
1371: * px is the start x and nx is the width to draw.
1372: * atx,aty is the line on the terminal to draw it.
1373: */
1374:
1.259 nicm 1375: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1376: tty->flags |= TTY_NOCURSOR;
1377: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1378:
1.214 nicm 1379: tty_region_off(tty);
1380: tty_margin_off(tty);
1381:
1.273 nicm 1382: /*
1383: * Clamp the width to cellsize - note this is not cellused, because
1384: * there may be empty background cells after it (from BCE).
1385: */
1.1 nicm 1386: sx = screen_size_x(s);
1.309 nicm 1387: if (nx > sx)
1388: nx = sx;
1.303 nicm 1389: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1390: if (sx > cellsize)
1391: sx = cellsize;
1.1 nicm 1392: if (sx > tty->sx)
1393: sx = tty->sx;
1.309 nicm 1394: if (sx > nx)
1395: sx = nx;
1.292 nicm 1396: ux = 0;
1.1 nicm 1397:
1.309 nicm 1398: if (py == 0)
1399: gl = NULL;
1400: else
1401: gl = grid_get_line(gd, gd->hsize + py - 1);
1.373 nicm 1402: if (gl == NULL ||
1.309 nicm 1403: (~gl->flags & GRID_LINE_WRAPPED) ||
1404: atx != 0 ||
1.268 nicm 1405: tty->cx < tty->sx ||
1.309 nicm 1406: nx < tty->sx) {
1407: if (nx < tty->sx &&
1408: atx == 0 &&
1409: px + sx != nx &&
1.268 nicm 1410: tty_term_has(tty->term, TTYC_EL1) &&
1.394 nicm 1411: !tty_fake_bce(tty, defaults, 8) &&
1412: c->overlay_check == NULL) {
1.373 nicm 1413: tty_default_attributes(tty, defaults, palette, 8);
1.309 nicm 1414: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1415: tty_putcode(tty, TTYC_EL1);
1416: cleared = 1;
1417: }
1.329 nicm 1418: } else {
1.309 nicm 1419: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1420: wrapped = 1;
1421: }
1.250 nicm 1422:
1423: memcpy(&last, &grid_default_cell, sizeof last);
1424: len = 0;
1425: width = 0;
1.46 nicm 1426:
1.1 nicm 1427: for (i = 0; i < sx; i++) {
1.309 nicm 1428: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1429: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1430: if (len != 0 &&
1.346 nicm 1431: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1432: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1433: gcp->flags != last.flags ||
1434: gcp->attr != last.attr ||
1435: gcp->fg != last.fg ||
1436: gcp->bg != last.bg ||
1.328 nicm 1437: gcp->us != last.us ||
1.315 nicm 1438: ux + width + gcp->data.width > nx ||
1.298 nicm 1439: (sizeof buf) - len < gcp->data.size)) {
1.373 nicm 1440: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1441: if (last.flags & GRID_FLAG_CLEARED) {
1442: log_debug("%s: %zu cleared", __func__, len);
1.373 nicm 1443: tty_clear_line(tty, defaults, aty, atx + ux,
1444: width, last.bg);
1.315 nicm 1445: } else {
1.329 nicm 1446: if (!wrapped || atx != 0 || ux != 0)
1447: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1448: tty_putn(tty, buf, len, width);
1449: }
1.292 nicm 1450: ux += width;
1.250 nicm 1451:
1452: len = 0;
1453: width = 0;
1.329 nicm 1454: wrapped = 0;
1.250 nicm 1455: }
1456:
1.298 nicm 1457: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1458: screen_select_cell(s, &last, gcp);
1.250 nicm 1459: else
1.299 nicm 1460: memcpy(&last, gcp, sizeof last);
1.395 nicm 1461:
1.406 ! nicm 1462: tty_check_overlay_range(tty, atx + ux, aty, gcp->data.width,
! 1463: &r);
1.395 nicm 1464: hidden = 0;
1.406 ! nicm 1465: for (j = 0; j < OVERLAY_MAX_RANGES; j++)
! 1466: hidden += r.nx[j];
! 1467: hidden = gcp->data.width - hidden;
1.396 nicm 1468: if (hidden != 0 && hidden == gcp->data.width) {
1469: if (~gcp->flags & GRID_FLAG_PADDING)
1470: ux += gcp->data.width;
1471: } else if (hidden != 0 || ux + gcp->data.width > nx) {
1.395 nicm 1472: if (~gcp->flags & GRID_FLAG_PADDING) {
1473: tty_attributes(tty, &last, defaults, palette);
1.406 ! nicm 1474: for (j = 0; j < OVERLAY_MAX_RANGES; j++) {
! 1475: if (r.nx[j] == 0)
! 1476: continue;
! 1477: /* Effective width drawn so far. */
! 1478: eux = r.px[j] - atx;
! 1479: if (eux < nx) {
! 1480: tty_cursor(tty, r.px[j], aty);
! 1481: nxx = nx - eux;
! 1482: if (r.nx[j] > nxx)
! 1483: r.nx[j] = nxx;
! 1484: tty_repeat_space(tty, r.nx[j]);
! 1485: ux = eux + r.nx[j];
1.397 nicm 1486: }
1.395 nicm 1487: }
1.297 nicm 1488: }
1.299 nicm 1489: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1.373 nicm 1490: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1491: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1492: for (j = 0; j < gcp->data.size; j++)
1493: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1494: ux += gcp->data.width;
1.381 nicm 1495: } else if (~gcp->flags & GRID_FLAG_PADDING) {
1.298 nicm 1496: memcpy(buf + len, gcp->data.data, gcp->data.size);
1497: len += gcp->data.size;
1498: width += gcp->data.width;
1.250 nicm 1499: }
1500: }
1.315 nicm 1501: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.373 nicm 1502: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1503: if (last.flags & GRID_FLAG_CLEARED) {
1504: log_debug("%s: %zu cleared (end)", __func__, len);
1.373 nicm 1505: tty_clear_line(tty, defaults, aty, atx + ux, width,
1506: last.bg);
1.315 nicm 1507: } else {
1.329 nicm 1508: if (!wrapped || atx != 0 || ux != 0)
1509: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1510: tty_putn(tty, buf, len, width);
1511: }
1.315 nicm 1512: ux += width;
1.1 nicm 1513: }
1514:
1.309 nicm 1515: if (!cleared && ux < nx) {
1.315 nicm 1516: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1517: nx - ux, len);
1.373 nicm 1518: tty_default_attributes(tty, defaults, palette, 8);
1519: tty_clear_line(tty, defaults, aty, atx + ux, nx - ux, 8);
1.35 nicm 1520: }
1.1 nicm 1521:
1.181 nicm 1522: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1523: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1524: }
1525:
1.348 nicm 1526: void
1527: tty_sync_start(struct tty *tty)
1528: {
1.361 nicm 1529: if (tty->flags & TTY_BLOCK)
1530: return;
1531: if (tty->flags & TTY_SYNCING)
1532: return;
1533: tty->flags |= TTY_SYNCING;
1534:
1535: if (tty_term_has(tty->term, TTYC_SYNC)) {
1536: log_debug("%s sync start", tty->client->name);
1.360 nicm 1537: tty_putcode1(tty, TTYC_SYNC, 1);
1.357 nicm 1538: }
1.348 nicm 1539: }
1540:
1541: void
1542: tty_sync_end(struct tty *tty)
1543: {
1.361 nicm 1544: if (tty->flags & TTY_BLOCK)
1545: return;
1546: if (~tty->flags & TTY_SYNCING)
1547: return;
1548: tty->flags &= ~TTY_SYNCING;
1549:
1550: if (tty_term_has(tty->term, TTYC_SYNC)) {
1551: log_debug("%s sync end", tty->client->name);
1.360 nicm 1552: tty_putcode1(tty, TTYC_SYNC, 2);
1.357 nicm 1553: }
1.348 nicm 1554: }
1555:
1.201 nicm 1556: static int
1.373 nicm 1557: tty_client_ready(struct client *c)
1.182 nicm 1558: {
1559: if (c->session == NULL || c->tty.term == NULL)
1560: return (0);
1.305 nicm 1561: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1562: return (0);
1563: if (c->tty.flags & TTY_FREEZE)
1564: return (0);
1565: return (1);
1566: }
1567:
1.15 nicm 1568: void
1.182 nicm 1569: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1570: struct tty_ctx *ctx)
1.15 nicm 1571: {
1.373 nicm 1572: struct client *c;
1573: int state;
1.15 nicm 1574:
1.373 nicm 1575: if (ctx->set_client_cb == NULL)
1.15 nicm 1576: return;
1.178 nicm 1577: TAILQ_FOREACH(c, &clients, entry) {
1.373 nicm 1578: if (!tty_client_ready(c))
1.15 nicm 1579: continue;
1.373 nicm 1580: state = ctx->set_client_cb(ctx, c);
1581: if (state == -1)
1.358 nicm 1582: break;
1.373 nicm 1583: if (state == 0)
1584: continue;
1.139 nicm 1585: cmdfn(&c->tty, ctx);
1.1 nicm 1586: }
1587: }
1588:
1589: void
1.24 nicm 1590: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1591: {
1.394 nicm 1592: struct client *c = tty->client;
1593:
1.309 nicm 1594: if (ctx->bigger ||
1.372 nicm 1595: !tty_full_width(tty, ctx) ||
1.373 nicm 1596: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.210 nicm 1597: (!tty_term_has(tty->term, TTYC_ICH) &&
1.394 nicm 1598: !tty_term_has(tty->term, TTYC_ICH1)) ||
1599: c->overlay_check != NULL) {
1.309 nicm 1600: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1601: return;
1602: }
1603:
1.373 nicm 1604: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1605:
1.77 nicm 1606: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1607:
1.206 nicm 1608: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1609: }
1610:
1611: void
1.24 nicm 1612: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1613: {
1.394 nicm 1614: struct client *c = tty->client;
1615:
1.309 nicm 1616: if (ctx->bigger ||
1.372 nicm 1617: !tty_full_width(tty, ctx) ||
1.373 nicm 1618: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.26 nicm 1619: (!tty_term_has(tty->term, TTYC_DCH) &&
1.394 nicm 1620: !tty_term_has(tty->term, TTYC_DCH1)) ||
1621: c->overlay_check != NULL) {
1.309 nicm 1622: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1623: return;
1624: }
1625:
1.373 nicm 1626: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1627:
1.77 nicm 1628: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1629:
1.206 nicm 1630: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1631: }
1632:
1633: void
1634: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1635: {
1.373 nicm 1636: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.146 nicm 1637:
1.388 nicm 1638: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, ctx->num, ctx->bg);
1.1 nicm 1639: }
1640:
1641: void
1.24 nicm 1642: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1643: {
1.394 nicm 1644: struct client *c = tty->client;
1645:
1.309 nicm 1646: if (ctx->bigger ||
1.372 nicm 1647: !tty_full_width(tty, ctx) ||
1.373 nicm 1648: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.77 nicm 1649: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1650: !tty_term_has(tty->term, TTYC_IL1) ||
1.373 nicm 1651: ctx->sx == 1 ||
1.394 nicm 1652: ctx->sy == 1 ||
1653: c->overlay_check != NULL) {
1.14 nicm 1654: tty_redraw_region(tty, ctx);
1.1 nicm 1655: return;
1656: }
1657:
1.373 nicm 1658: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1659:
1.77 nicm 1660: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1661: tty_margin_off(tty);
1.77 nicm 1662: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1663:
1.12 nicm 1664: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1665: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1666: }
1667:
1668: void
1.24 nicm 1669: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1670: {
1.394 nicm 1671: struct client *c = tty->client;
1672:
1.309 nicm 1673: if (ctx->bigger ||
1.372 nicm 1674: !tty_full_width(tty, ctx) ||
1.373 nicm 1675: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.72 nicm 1676: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1677: !tty_term_has(tty->term, TTYC_DL1) ||
1.373 nicm 1678: ctx->sx == 1 ||
1.394 nicm 1679: ctx->sy == 1 ||
1680: c->overlay_check != NULL) {
1.14 nicm 1681: tty_redraw_region(tty, ctx);
1.1 nicm 1682: return;
1683: }
1684:
1.373 nicm 1685: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1686:
1.77 nicm 1687: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1688: tty_margin_off(tty);
1.77 nicm 1689: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1690:
1.12 nicm 1691: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1692: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1693: }
1694:
1695: void
1.24 nicm 1696: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1697: {
1.373 nicm 1698: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1699:
1.372 nicm 1700: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->sx, ctx->bg);
1.1 nicm 1701: }
1702:
1703: void
1.24 nicm 1704: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1705: {
1.373 nicm 1706: u_int nx = ctx->sx - ctx->ocx;
1.1 nicm 1707:
1.373 nicm 1708: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1709:
1.309 nicm 1710: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1711: }
1712:
1713: void
1.24 nicm 1714: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1715: {
1.373 nicm 1716: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1717:
1.309 nicm 1718: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1719: }
1720:
1721: void
1.24 nicm 1722: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1723: {
1.394 nicm 1724: struct client *c = tty->client;
1725:
1.56 nicm 1726: if (ctx->ocy != ctx->orupper)
1727: return;
1728:
1.309 nicm 1729: if (ctx->bigger ||
1.372 nicm 1730: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1731: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.70 nicm 1732: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1733: (!tty_term_has(tty->term, TTYC_RI) &&
1734: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1735: ctx->sx == 1 ||
1.394 nicm 1736: ctx->sy == 1 ||
1737: c->overlay_check != NULL) {
1.14 nicm 1738: tty_redraw_region(tty, ctx);
1.1 nicm 1739: return;
1740: }
1741:
1.373 nicm 1742: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1743:
1.56 nicm 1744: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1745: tty_margin_pane(tty, ctx);
1.56 nicm 1746: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1747:
1.331 nicm 1748: if (tty_term_has(tty->term, TTYC_RI))
1749: tty_putcode(tty, TTYC_RI);
1750: else
1751: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1752: }
1753:
1754: void
1.24 nicm 1755: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1756: {
1.394 nicm 1757: struct client *c = tty->client;
1758:
1.56 nicm 1759: if (ctx->ocy != ctx->orlower)
1760: return;
1761:
1.309 nicm 1762: if (ctx->bigger ||
1.372 nicm 1763: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1764: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1765: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1766: ctx->sx == 1 ||
1.394 nicm 1767: ctx->sy == 1 ||
1768: c->overlay_check != NULL) {
1.236 nicm 1769: tty_redraw_region(tty, ctx);
1.1 nicm 1770: return;
1771: }
1.52 nicm 1772:
1.373 nicm 1773: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1774:
1.56 nicm 1775: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1776: tty_margin_pane(tty, ctx);
1777:
1778: /*
1.301 nicm 1779: * If we want to wrap a pane while using margins, the cursor needs to
1780: * be exactly on the right of the region. If the cursor is entirely off
1781: * the edge - move it back to the right. Some terminals are funny about
1782: * this and insert extra spaces, so only use the right if margins are
1783: * enabled.
1.212 nicm 1784: */
1.301 nicm 1785: if (ctx->xoff + ctx->ocx > tty->rright) {
1786: if (!tty_use_margin(tty))
1787: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1788: else
1789: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1790: } else
1.212 nicm 1791: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1792:
1.56 nicm 1793: tty_putc(tty, '\n');
1.240 nicm 1794: }
1795:
1796: void
1797: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1798: {
1.394 nicm 1799: struct client *c = tty->client;
1800: u_int i;
1.240 nicm 1801:
1.309 nicm 1802: if (ctx->bigger ||
1.372 nicm 1803: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1804: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1805: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1806: ctx->sx == 1 ||
1.394 nicm 1807: ctx->sy == 1 ||
1808: c->overlay_check != NULL) {
1.240 nicm 1809: tty_redraw_region(tty, ctx);
1810: return;
1811: }
1812:
1.373 nicm 1813: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.240 nicm 1814:
1815: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1816: tty_margin_pane(tty, ctx);
1817:
1.284 nicm 1818: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1819: if (!tty_use_margin(tty))
1820: tty_cursor(tty, 0, tty->rlower);
1821: else
1822: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1823: for (i = 0; i < ctx->num; i++)
1.240 nicm 1824: tty_putc(tty, '\n');
1.301 nicm 1825: } else {
1.353 nicm 1826: if (tty->cy == UINT_MAX)
1827: tty_cursor(tty, 0, 0);
1828: else
1829: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1830: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1831: }
1832: }
1833:
1834: void
1835: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1836: {
1.394 nicm 1837: u_int i;
1838: struct client *c = tty->client;
1.331 nicm 1839:
1840: if (ctx->bigger ||
1.372 nicm 1841: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1842: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.331 nicm 1843: !tty_term_has(tty->term, TTYC_CSR) ||
1844: (!tty_term_has(tty->term, TTYC_RI) &&
1845: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1846: ctx->sx == 1 ||
1.394 nicm 1847: ctx->sy == 1 ||
1848: c->overlay_check != NULL) {
1.331 nicm 1849: tty_redraw_region(tty, ctx);
1850: return;
1851: }
1852:
1.373 nicm 1853: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.331 nicm 1854:
1855: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1856: tty_margin_pane(tty, ctx);
1857: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1858:
1859: if (tty_term_has(tty->term, TTYC_RIN))
1860: tty_putcode1(tty, TTYC_RIN, ctx->num);
1861: else {
1862: for (i = 0; i < ctx->num; i++)
1863: tty_putcode(tty, TTYC_RI);
1.301 nicm 1864: }
1.1 nicm 1865: }
1866:
1867: void
1.24 nicm 1868: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1869: {
1.373 nicm 1870: u_int px, py, nx, ny;
1.1 nicm 1871:
1.373 nicm 1872: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1873:
1.372 nicm 1874: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1875: tty_margin_off(tty);
1.39 nicm 1876:
1.309 nicm 1877: px = 0;
1.372 nicm 1878: nx = ctx->sx;
1.309 nicm 1879: py = ctx->ocy + 1;
1.372 nicm 1880: ny = ctx->sy - ctx->ocy - 1;
1.271 nicm 1881:
1.309 nicm 1882: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1883:
1.309 nicm 1884: px = ctx->ocx;
1.372 nicm 1885: nx = ctx->sx - ctx->ocx;
1.309 nicm 1886: py = ctx->ocy;
1.271 nicm 1887:
1.309 nicm 1888: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1889: }
1890:
1891: void
1.24 nicm 1892: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1893: {
1.373 nicm 1894: u_int px, py, nx, ny;
1.1 nicm 1895:
1.373 nicm 1896: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1897:
1.372 nicm 1898: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1899: tty_margin_off(tty);
1.39 nicm 1900:
1.309 nicm 1901: px = 0;
1.372 nicm 1902: nx = ctx->sx;
1.309 nicm 1903: py = 0;
1.319 nicm 1904: ny = ctx->ocy;
1.271 nicm 1905:
1.309 nicm 1906: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1907:
1.309 nicm 1908: px = 0;
1.271 nicm 1909: nx = ctx->ocx + 1;
1.309 nicm 1910: py = ctx->ocy;
1.271 nicm 1911:
1.309 nicm 1912: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1913: }
1914:
1915: void
1.24 nicm 1916: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1917: {
1.373 nicm 1918: u_int px, py, nx, ny;
1.1 nicm 1919:
1.373 nicm 1920: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1921:
1.372 nicm 1922: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1923: tty_margin_off(tty);
1.39 nicm 1924:
1.309 nicm 1925: px = 0;
1.372 nicm 1926: nx = ctx->sx;
1.309 nicm 1927: py = 0;
1.372 nicm 1928: ny = ctx->sy;
1.271 nicm 1929:
1.309 nicm 1930: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1931: }
1932:
1933: void
1.24 nicm 1934: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1935: {
1.373 nicm 1936: u_int i, j;
1.4 nicm 1937:
1.309 nicm 1938: if (ctx->bigger) {
1.373 nicm 1939: ctx->redraw_cb(ctx);
1.309 nicm 1940: return;
1941: }
1942:
1.373 nicm 1943: tty_attributes(tty, &grid_default_cell, &ctx->defaults, ctx->palette);
1.4 nicm 1944:
1.372 nicm 1945: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1946: tty_margin_off(tty);
1.4 nicm 1947:
1.372 nicm 1948: for (j = 0; j < ctx->sy; j++) {
1.41 nicm 1949: tty_cursor_pane(tty, ctx, 0, j);
1.372 nicm 1950: for (i = 0; i < ctx->sx; i++)
1.4 nicm 1951: tty_putc(tty, 'E');
1.1 nicm 1952: }
1953: }
1954:
1955: void
1.24 nicm 1956: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1957: {
1.394 nicm 1958: const struct grid_cell *gcp = ctx->cell;
1959: struct screen *s = ctx->s;
1.406 ! nicm 1960: struct overlay_ranges r;
! 1961: u_int px, py, i, vis = 0;
1.394 nicm 1962:
1963: px = ctx->xoff + ctx->ocx - ctx->wox;
1964: py = ctx->yoff + ctx->ocy - ctx->woy;
1965: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1) ||
1966: (gcp->data.width == 1 && !tty_check_overlay(tty, px, py)))
1967: return;
1968:
1969: /* Handle partially obstructed wide characters. */
1970: if (gcp->data.width > 1) {
1.406 ! nicm 1971: tty_check_overlay_range(tty, px, py, gcp->data.width, &r);
! 1972: for (i = 0; i < OVERLAY_MAX_RANGES; i++)
! 1973: vis += r.nx[i];
! 1974: if (vis < gcp->data.width) {
! 1975: tty_draw_line(tty, s, s->cx, s->cy,
1.394 nicm 1976: gcp->data.width, px, py, &ctx->defaults,
1977: ctx->palette);
1978: return;
1979: }
1980: }
1.309 nicm 1981:
1.372 nicm 1982: if (ctx->xoff + ctx->ocx - ctx->wox > tty->sx - 1 &&
1.306 nicm 1983: ctx->ocy == ctx->orlower &&
1.372 nicm 1984: tty_full_width(tty, ctx))
1.306 nicm 1985: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1986:
1.306 nicm 1987: tty_margin_off(tty);
1.253 nicm 1988: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1989:
1.373 nicm 1990: tty_cell(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 1991: }
1992:
1993: void
1994: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1995: {
1.406 ! nicm 1996: struct overlay_ranges r;
! 1997: u_int i, px;
1.394 nicm 1998:
1.309 nicm 1999: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
2000: return;
2001:
2002: if (ctx->bigger &&
1.372 nicm 2003: (ctx->xoff + ctx->ocx < ctx->wox ||
2004: ctx->xoff + ctx->ocx + ctx->num > ctx->wox + ctx->wsx)) {
1.309 nicm 2005: if (!ctx->wrapped ||
1.372 nicm 2006: !tty_full_width(tty, ctx) ||
1.382 nicm 2007: (tty->term->flags & TERM_NOAM) ||
1.309 nicm 2008: ctx->xoff + ctx->ocx != 0 ||
2009: ctx->yoff + ctx->ocy != tty->cy + 1 ||
2010: tty->cx < tty->sx ||
2011: tty->cy == tty->rlower)
2012: tty_draw_pane(tty, ctx, ctx->ocy);
2013: else
1.373 nicm 2014: ctx->redraw_cb(ctx);
1.309 nicm 2015: return;
2016: }
2017:
1.306 nicm 2018: tty_margin_off(tty);
1.253 nicm 2019: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 2020:
1.373 nicm 2021: tty_attributes(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.406 ! nicm 2022: px = tty->cx;
! 2023: tty_check_overlay_range(tty, px, tty->cy, ctx->num, &r);
! 2024: for (i = 0; i < OVERLAY_MAX_RANGES; i++) {
! 2025: if (r.nx[i] == 0)
! 2026: continue;
! 2027: tty_cursor(tty, r.px[i], tty->cy);
! 2028: tty_putn(tty, (char *)ctx->ptr + r.px[i] - px, r.nx[i],
! 2029: r.nx[i]);
1.394 nicm 2030: }
1.106 nicm 2031: }
2032:
2033: void
2034: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
2035: {
1.383 nicm 2036: tty_set_selection(tty, ctx->ptr, ctx->num);
2037: }
2038:
2039: void
2040: tty_set_selection(struct tty *tty, const char *buf, size_t len)
2041: {
2042: char *encoded;
2043: size_t size;
1.106 nicm 2044:
1.384 nicm 2045: if (~tty->flags & TTY_STARTED)
2046: return;
1.106 nicm 2047: if (!tty_term_has(tty->term, TTYC_MS))
1.383 nicm 2048: return;
1.106 nicm 2049:
1.383 nicm 2050: size = 4 * ((len + 2) / 3) + 1; /* storage for base64 */
2051: encoded = xmalloc(size);
1.106 nicm 2052:
1.383 nicm 2053: b64_ntop(buf, len, encoded, size);
2054: tty_putcode_ptr2(tty, TTYC_MS, "", encoded);
1.398 nicm 2055: tty->client->redraw = EVBUFFER_LENGTH(tty->out);
1.106 nicm 2056:
1.383 nicm 2057: free(encoded);
1.100 nicm 2058: }
2059:
2060: void
2061: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
2062: {
1.256 nicm 2063: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 2064: tty_invalidate(tty);
1.348 nicm 2065: }
2066:
2067: void
1.402 nicm 2068: tty_cmd_syncstart(struct tty *tty, const struct tty_ctx *ctx)
1.348 nicm 2069: {
1.402 nicm 2070: if (ctx->num == 0x11) {
2071: /*
1.403 nicm 2072: * This is an overlay and a command that moves the cursor so
1.402 nicm 2073: * start synchronized updates.
2074: */
2075: tty_sync_start(tty);
2076: } else if (~ctx->num & 0x10) {
2077: /*
2078: * This is a pane. If there is an overlay, always start;
2079: * otherwise, only if requested.
2080: */
2081: if (ctx->num || tty->client->overlay_draw != NULL)
2082: tty_sync_start(tty);
2083: }
1.1 nicm 2084: }
2085:
1.377 nicm 2086: void
1.373 nicm 2087: tty_cell(struct tty *tty, const struct grid_cell *gc,
1.399 nicm 2088: const struct grid_cell *defaults, struct colour_palette *palette)
1.1 nicm 2089: {
1.298 nicm 2090: const struct grid_cell *gcp;
1.1 nicm 2091:
2092: /* Skip last character if terminal is stupid. */
1.382 nicm 2093: if ((tty->term->flags & TERM_NOAM) &&
1.211 nicm 2094: tty->cy == tty->sy - 1 &&
2095: tty->cx == tty->sx - 1)
1.1 nicm 2096: return;
2097:
2098: /* If this is a padding character, do nothing. */
2099: if (gc->flags & GRID_FLAG_PADDING)
2100: return;
2101:
1.377 nicm 2102: /* Check the output codeset and apply attributes. */
2103: gcp = tty_check_codeset(tty, gc);
2104: tty_attributes(tty, gcp, defaults, palette);
1.1 nicm 2105:
1.377 nicm 2106: /* If it is a single character, write with putc to handle ACS. */
1.298 nicm 2107: if (gcp->data.size == 1) {
1.377 nicm 2108: tty_attributes(tty, gcp, defaults, palette);
1.298 nicm 2109: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 2110: return;
1.298 nicm 2111: tty_putc(tty, *gcp->data.data);
1.1 nicm 2112: return;
2113: }
2114:
1.147 nicm 2115: /* Write the data. */
1.298 nicm 2116: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 2117: }
2118:
2119: void
2120: tty_reset(struct tty *tty)
2121: {
2122: struct grid_cell *gc = &tty->cell;
2123:
1.228 nicm 2124: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 2125: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 2126: tty_putcode(tty, TTYC_RMACS);
2127: tty_putcode(tty, TTYC_SGR0);
2128: memcpy(gc, &grid_default_cell, sizeof *gc);
2129: }
2130: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1.242 nicm 2131: }
2132:
2133: static void
2134: tty_invalidate(struct tty *tty)
2135: {
2136: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
2137: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
2138:
2139: tty->cx = tty->cy = UINT_MAX;
2140: tty->rupper = tty->rleft = UINT_MAX;
2141: tty->rlower = tty->rright = UINT_MAX;
2142:
2143: if (tty->flags & TTY_STARTED) {
1.330 nicm 2144: if (tty_use_margin(tty))
1.365 nicm 2145: tty_putcode(tty, TTYC_ENMG);
1.242 nicm 2146: tty_putcode(tty, TTYC_SGR0);
2147:
2148: tty->mode = ALL_MODES;
2149: tty_update_mode(tty, MODE_CURSOR, NULL);
2150:
2151: tty_cursor(tty, 0, 0);
2152: tty_region_off(tty);
2153: tty_margin_off(tty);
2154: } else
2155: tty->mode = MODE_CURSOR;
1.1 nicm 2156: }
2157:
1.214 nicm 2158: /* Turn off margin. */
2159: void
2160: tty_region_off(struct tty *tty)
2161: {
2162: tty_region(tty, 0, tty->sy - 1);
2163: }
2164:
1.40 nicm 2165: /* Set region inside pane. */
1.208 nicm 2166: static void
1.196 nicm 2167: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
2168: u_int rlower)
1.1 nicm 2169: {
1.372 nicm 2170: tty_region(tty, ctx->yoff + rupper - ctx->woy,
2171: ctx->yoff + rlower - ctx->woy);
1.39 nicm 2172: }
2173:
1.40 nicm 2174: /* Set region at absolute position. */
1.214 nicm 2175: static void
1.40 nicm 2176: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2177: {
2178: if (tty->rlower == rlower && tty->rupper == rupper)
2179: return;
1.1 nicm 2180: if (!tty_term_has(tty->term, TTYC_CSR))
2181: return;
1.39 nicm 2182:
2183: tty->rupper = rupper;
2184: tty->rlower = rlower;
1.55 nicm 2185:
2186: /*
2187: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2188: * 0,0 if it is beyond the last column (they do not reset their wrap
2189: * flag so further output causes a line feed). As a workaround, do an
2190: * explicit move to 0 first.
2191: */
1.353 nicm 2192: if (tty->cx >= tty->sx) {
2193: if (tty->cy == UINT_MAX)
2194: tty_cursor(tty, 0, 0);
2195: else
2196: tty_cursor(tty, 0, tty->cy);
2197: }
1.42 nicm 2198:
1.39 nicm 2199: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2200: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2201: }
2202:
1.214 nicm 2203: /* Turn off margin. */
2204: void
2205: tty_margin_off(struct tty *tty)
2206: {
2207: tty_margin(tty, 0, tty->sx - 1);
2208: }
2209:
1.212 nicm 2210: /* Set margin inside pane. */
2211: static void
2212: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2213: {
1.372 nicm 2214: tty_margin(tty, ctx->xoff - ctx->wox,
1.373 nicm 2215: ctx->xoff + ctx->sx - 1 - ctx->wox);
1.212 nicm 2216: }
2217:
2218: /* Set margin at absolute position. */
1.214 nicm 2219: static void
1.212 nicm 2220: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2221: {
2222: if (!tty_use_margin(tty))
2223: return;
2224: if (tty->rleft == rleft && tty->rright == rright)
2225: return;
2226:
1.232 nicm 2227: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2228:
1.212 nicm 2229: tty->rleft = rleft;
2230: tty->rright = rright;
2231:
1.232 nicm 2232: if (rleft == 0 && rright == tty->sx - 1)
1.365 nicm 2233: tty_putcode(tty, TTYC_CLMG);
1.232 nicm 2234: else
1.365 nicm 2235: tty_putcode2(tty, TTYC_CMG, rleft, rright);
1.249 nicm 2236: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2237: }
2238:
2239: /*
2240: * Move the cursor, unless it would wrap itself when the next character is
2241: * printed.
2242: */
2243: static void
2244: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2245: u_int cx, u_int cy)
2246: {
1.268 nicm 2247: if (!ctx->wrapped ||
1.372 nicm 2248: !tty_full_width(tty, ctx) ||
1.382 nicm 2249: (tty->term->flags & TERM_NOAM) ||
1.253 nicm 2250: ctx->xoff + cx != 0 ||
2251: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2252: tty->cx < tty->sx ||
2253: tty->cy == tty->rlower)
1.253 nicm 2254: tty_cursor_pane(tty, ctx, cx, cy);
2255: else
2256: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2257: }
2258:
1.42 nicm 2259: /* Move cursor inside pane. */
1.208 nicm 2260: static void
1.41 nicm 2261: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2262: {
1.372 nicm 2263: tty_cursor(tty, ctx->xoff + cx - ctx->wox, ctx->yoff + cy - ctx->woy);
1.41 nicm 2264: }
2265:
1.42 nicm 2266: /* Move cursor to absolute position. */
1.41 nicm 2267: void
2268: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2269: {
1.42 nicm 2270: struct tty_term *term = tty->term;
2271: u_int thisx, thisy;
2272: int change;
1.354 nicm 2273:
2274: if (tty->flags & TTY_BLOCK)
2275: return;
1.77 nicm 2276:
1.42 nicm 2277: if (cx > tty->sx - 1)
2278: cx = tty->sx - 1;
2279:
2280: thisx = tty->cx;
2281: thisy = tty->cy;
2282:
2283: /* No change. */
2284: if (cx == thisx && cy == thisy)
2285: return;
2286:
1.43 nicm 2287: /* Very end of the line, just use absolute movement. */
2288: if (thisx > tty->sx - 1)
2289: goto absolute;
2290:
1.42 nicm 2291: /* Move to home position (0, 0). */
2292: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2293: tty_putcode(tty, TTYC_HOME);
2294: goto out;
2295: }
2296:
2297: /* Zero on the next line. */
1.293 nicm 2298: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2299: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2300: tty_putc(tty, '\r');
1.42 nicm 2301: tty_putc(tty, '\n');
2302: goto out;
2303: }
2304:
1.45 nicm 2305: /* Moving column or row. */
1.42 nicm 2306: if (cy == thisy) {
1.45 nicm 2307: /*
2308: * Moving column only, row staying the same.
2309: */
2310:
1.42 nicm 2311: /* To left edge. */
1.294 nicm 2312: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2313: tty_putc(tty, '\r');
2314: goto out;
2315: }
2316:
2317: /* One to the left. */
2318: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2319: tty_putcode(tty, TTYC_CUB1);
2320: goto out;
2321: }
2322:
2323: /* One to the right. */
2324: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2325: tty_putcode(tty, TTYC_CUF1);
2326: goto out;
2327: }
2328:
2329: /* Calculate difference. */
2330: change = thisx - cx; /* +ve left, -ve right */
2331:
2332: /*
2333: * Use HPA if change is larger than absolute, otherwise move
2334: * the cursor with CUB/CUF.
2335: */
1.87 nicm 2336: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2337: tty_putcode1(tty, TTYC_HPA, cx);
2338: goto out;
1.333 nicm 2339: } else if (change > 0 &&
2340: tty_term_has(term, TTYC_CUB) &&
2341: !tty_use_margin(tty)) {
1.202 nicm 2342: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2343: tty_putcode(tty, TTYC_CUB1);
2344: tty_putcode(tty, TTYC_CUB1);
2345: goto out;
2346: }
1.42 nicm 2347: tty_putcode1(tty, TTYC_CUB, change);
2348: goto out;
1.333 nicm 2349: } else if (change < 0 &&
2350: tty_term_has(term, TTYC_CUF) &&
2351: !tty_use_margin(tty)) {
1.42 nicm 2352: tty_putcode1(tty, TTYC_CUF, -change);
2353: goto out;
2354: }
1.45 nicm 2355: } else if (cx == thisx) {
2356: /*
2357: * Moving row only, column staying the same.
2358: */
1.42 nicm 2359:
2360: /* One above. */
1.77 nicm 2361: if (thisy != tty->rupper &&
1.42 nicm 2362: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2363: tty_putcode(tty, TTYC_CUU1);
2364: goto out;
2365: }
2366:
2367: /* One below. */
1.49 nicm 2368: if (thisy != tty->rlower &&
1.42 nicm 2369: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2370: tty_putcode(tty, TTYC_CUD1);
2371: goto out;
2372: }
2373:
2374: /* Calculate difference. */
2375: change = thisy - cy; /* +ve up, -ve down */
2376:
2377: /*
1.77 nicm 2378: * Try to use VPA if change is larger than absolute or if this
2379: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2380: */
1.87 nicm 2381: if ((u_int) abs(change) > cy ||
1.42 nicm 2382: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2383: (change > 0 && cy - change < tty->rupper)) {
2384: if (tty_term_has(term, TTYC_VPA)) {
2385: tty_putcode1(tty, TTYC_VPA, cy);
2386: goto out;
2387: }
1.42 nicm 2388: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2389: tty_putcode1(tty, TTYC_CUU, change);
2390: goto out;
2391: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2392: tty_putcode1(tty, TTYC_CUD, -change);
2393: goto out;
2394: }
2395: }
2396:
1.43 nicm 2397: absolute:
1.42 nicm 2398: /* Absolute movement. */
2399: tty_putcode2(tty, TTYC_CUP, cy, cx);
2400:
2401: out:
2402: tty->cx = cx;
2403: tty->cy = cy;
1.1 nicm 2404: }
2405:
2406: void
1.176 nicm 2407: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.399 nicm 2408: const struct grid_cell *defaults, struct colour_palette *palette)
1.1 nicm 2409: {
1.63 nicm 2410: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2411: int changed;
1.61 nicm 2412:
1.373 nicm 2413: /* Copy cell and update default colours. */
2414: memcpy(&gc2, gc, sizeof gc2);
1.399 nicm 2415: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2416: if (gc2.fg == 8)
2417: gc2.fg = defaults->fg;
2418: if (gc2.bg == 8)
2419: gc2.bg = defaults->bg;
2420: }
1.373 nicm 2421:
1.228 nicm 2422: /* Ignore cell if it is the same as the last one. */
1.373 nicm 2423: if (gc2.attr == tty->last_cell.attr &&
2424: gc2.fg == tty->last_cell.fg &&
2425: gc2.bg == tty->last_cell.bg &&
2426: gc2.us == tty->last_cell.us)
1.228 nicm 2427: return;
1.63 nicm 2428:
1.18 nicm 2429: /*
2430: * If no setab, try to use the reverse attribute as a best-effort for a
2431: * non-default background. This is a bit of a hack but it doesn't do
2432: * any serious harm and makes a couple of applications happier.
2433: */
2434: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2435: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2436: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2437: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2438: } else {
1.310 nicm 2439: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2440: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2441: }
2442: }
1.1 nicm 2443:
1.85 nicm 2444: /* Fix up the colours if necessary. */
1.373 nicm 2445: tty_check_fg(tty, palette, &gc2);
2446: tty_check_bg(tty, palette, &gc2);
2447: tty_check_us(tty, palette, &gc2);
1.85 nicm 2448:
1.328 nicm 2449: /*
2450: * If any bits are being cleared or the underline colour is now default,
2451: * reset everything.
2452: */
2453: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2454: tty_reset(tty);
2455:
2456: /*
2457: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2458: * may add to (NOT remove) the desired attributes.
1.64 nicm 2459: */
1.85 nicm 2460: tty_colours(tty, &gc2);
1.64 nicm 2461:
1.1 nicm 2462: /* Filter out attribute bits already set. */
1.85 nicm 2463: changed = gc2.attr & ~tc->attr;
2464: tc->attr = gc2.attr;
1.1 nicm 2465:
2466: /* Set the attributes. */
2467: if (changed & GRID_ATTR_BRIGHT)
2468: tty_putcode(tty, TTYC_BOLD);
2469: if (changed & GRID_ATTR_DIM)
2470: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2471: if (changed & GRID_ATTR_ITALICS)
2472: tty_set_italics(tty);
1.308 nicm 2473: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2474: if ((changed & GRID_ATTR_UNDERSCORE) ||
2475: !tty_term_has(tty->term, TTYC_SMULX))
2476: tty_putcode(tty, TTYC_SMUL);
2477: else if (changed & GRID_ATTR_UNDERSCORE_2)
2478: tty_putcode1(tty, TTYC_SMULX, 2);
2479: else if (changed & GRID_ATTR_UNDERSCORE_3)
2480: tty_putcode1(tty, TTYC_SMULX, 3);
2481: else if (changed & GRID_ATTR_UNDERSCORE_4)
2482: tty_putcode1(tty, TTYC_SMULX, 4);
2483: else if (changed & GRID_ATTR_UNDERSCORE_5)
2484: tty_putcode1(tty, TTYC_SMULX, 5);
2485: }
1.1 nicm 2486: if (changed & GRID_ATTR_BLINK)
2487: tty_putcode(tty, TTYC_BLINK);
2488: if (changed & GRID_ATTR_REVERSE) {
2489: if (tty_term_has(tty->term, TTYC_REV))
2490: tty_putcode(tty, TTYC_REV);
2491: else if (tty_term_has(tty->term, TTYC_SMSO))
2492: tty_putcode(tty, TTYC_SMSO);
2493: }
2494: if (changed & GRID_ATTR_HIDDEN)
2495: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2496: if (changed & GRID_ATTR_STRIKETHROUGH)
2497: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2498: if (changed & GRID_ATTR_OVERLINE)
2499: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2500: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2501: tty_putcode(tty, TTYC_SMACS);
1.373 nicm 2502:
2503: memcpy(&tty->last_cell, &gc2, sizeof tty->last_cell);
1.1 nicm 2504: }
2505:
1.207 nicm 2506: static void
1.85 nicm 2507: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2508: {
1.61 nicm 2509: struct grid_cell *tc = &tty->cell;
1.204 nicm 2510: int have_ax;
1.61 nicm 2511:
2512: /* No changes? Nothing is necessary. */
1.328 nicm 2513: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2514: return;
1.1 nicm 2515:
1.61 nicm 2516: /*
2517: * Is either the default colour? This is handled specially because the
2518: * best solution might be to reset both colours to default, in which
2519: * case if only one is default need to fall onward to set the other
2520: * colour.
2521: */
1.310 nicm 2522: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2523: /*
2524: * If don't have AX but do have op, send sgr0 (op can't
2525: * actually be used because it is sometimes the same as sgr0
2526: * and sometimes isn't). This resets both colours to default.
2527: *
2528: * Otherwise, try to set the default colour only as needed.
2529: */
1.174 nicm 2530: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2531: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2532: tty_reset(tty);
2533: else {
1.310 nicm 2534: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2535: if (have_ax)
2536: tty_puts(tty, "\033[39m");
1.204 nicm 2537: else if (tc->fg != 7)
1.61 nicm 2538: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2539: tc->fg = gc->fg;
1.61 nicm 2540: }
1.310 nicm 2541: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2542: if (have_ax)
1.61 nicm 2543: tty_puts(tty, "\033[49m");
1.204 nicm 2544: else if (tc->bg != 0)
1.61 nicm 2545: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2546: tc->bg = gc->bg;
1.61 nicm 2547: }
2548: }
2549: }
1.1 nicm 2550:
1.61 nicm 2551: /* Set the foreground colour. */
1.310 nicm 2552: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2553: tty_colours_fg(tty, gc);
1.1 nicm 2554:
1.61 nicm 2555: /*
2556: * Set the background colour. This must come after the foreground as
2557: * tty_colour_fg() can call tty_reset().
2558: */
1.310 nicm 2559: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2560: tty_colours_bg(tty, gc);
1.328 nicm 2561:
1.399 nicm 2562: /* Set the underscore colour. */
1.328 nicm 2563: if (gc->us != tc->us)
2564: tty_colours_us(tty, gc);
1.1 nicm 2565: }
2566:
1.219 nicm 2567: static void
1.399 nicm 2568: tty_check_fg(struct tty *tty, struct colour_palette *palette,
2569: struct grid_cell *gc)
1.85 nicm 2570: {
1.204 nicm 2571: u_char r, g, b;
2572: u_int colours;
1.223 nicm 2573: int c;
1.85 nicm 2574:
1.288 nicm 2575: /*
2576: * Perform substitution if this pane has a palette. If the bright
2577: * attribute is set, use the bright entry in the palette by changing to
2578: * the aixterm colour.
2579: */
2580: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2581: c = gc->fg;
1.289 nicm 2582: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2583: c += 90;
1.399 nicm 2584: if ((c = colour_palette_get(palette, c)) != -1)
1.288 nicm 2585: gc->fg = c;
2586: }
1.219 nicm 2587:
1.199 nicm 2588: /* Is this a 24-bit colour? */
1.204 nicm 2589: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2590: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2591: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2592: return;
1.341 nicm 2593: colour_split_rgb(gc->fg, &r, &g, &b);
2594: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2595: }
1.224 nicm 2596:
2597: /* How many colours does this terminal have? */
1.359 nicm 2598: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2599: colours = 256;
2600: else
2601: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2602:
1.85 nicm 2603: /* Is this a 256-colour colour? */
1.204 nicm 2604: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2605: /* And not a 256 colour mode? */
1.387 nicm 2606: if (colours < 256) {
1.85 nicm 2607: gc->fg = colour_256to16(gc->fg);
2608: if (gc->fg & 8) {
2609: gc->fg &= 7;
1.175 nicm 2610: if (colours >= 16)
2611: gc->fg += 90;
1.332 nicm 2612: }
1.85 nicm 2613: }
2614: return;
2615: }
2616:
2617: /* Is this an aixterm colour? */
2618: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2619: gc->fg -= 90;
2620: gc->attr |= GRID_ATTR_BRIGHT;
2621: }
2622: }
2623:
1.219 nicm 2624: static void
1.399 nicm 2625: tty_check_bg(struct tty *tty, struct colour_palette *palette,
2626: struct grid_cell *gc)
1.85 nicm 2627: {
1.204 nicm 2628: u_char r, g, b;
2629: u_int colours;
1.223 nicm 2630: int c;
1.85 nicm 2631:
1.288 nicm 2632: /* Perform substitution if this pane has a palette. */
2633: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2634: if ((c = colour_palette_get(palette, gc->bg)) != -1)
1.288 nicm 2635: gc->bg = c;
2636: }
1.219 nicm 2637:
1.199 nicm 2638: /* Is this a 24-bit colour? */
1.204 nicm 2639: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2640: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2641: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2642: return;
1.341 nicm 2643: colour_split_rgb(gc->bg, &r, &g, &b);
2644: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2645: }
1.224 nicm 2646:
2647: /* How many colours does this terminal have? */
1.359 nicm 2648: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2649: colours = 256;
2650: else
2651: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2652:
1.85 nicm 2653: /* Is this a 256-colour colour? */
1.204 nicm 2654: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2655: /*
2656: * And not a 256 colour mode? Translate to 16-colour
2657: * palette. Bold background doesn't exist portably, so just
2658: * discard the bold bit if set.
2659: */
1.387 nicm 2660: if (colours < 256) {
1.85 nicm 2661: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2662: if (gc->bg & 8) {
1.85 nicm 2663: gc->bg &= 7;
1.175 nicm 2664: if (colours >= 16)
1.322 nicm 2665: gc->bg += 90;
1.175 nicm 2666: }
1.85 nicm 2667: }
2668: return;
2669: }
2670:
2671: /* Is this an aixterm colour? */
1.175 nicm 2672: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2673: gc->bg -= 90;
2674: }
2675:
1.207 nicm 2676: static void
1.399 nicm 2677: tty_check_us(__unused struct tty *tty, struct colour_palette *palette,
2678: struct grid_cell *gc)
1.328 nicm 2679: {
2680: int c;
2681:
2682: /* Perform substitution if this pane has a palette. */
2683: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2684: if ((c = colour_palette_get(palette, gc->us)) != -1)
1.328 nicm 2685: gc->us = c;
2686: }
2687:
2688: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2689: if (gc->us & COLOUR_FLAG_256)
2690: gc->us = colour_256toRGB (gc->us);
2691: }
2692:
2693: static void
1.85 nicm 2694: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2695: {
1.61 nicm 2696: struct grid_cell *tc = &tty->cell;
1.79 nicm 2697: char s[32];
1.1 nicm 2698:
1.204 nicm 2699: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2700: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2701: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.385 nicm 2702: goto save;
1.199 nicm 2703: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2704: return;
1.1 nicm 2705: }
2706:
1.79 nicm 2707: /* Is this an aixterm bright colour? */
1.204 nicm 2708: if (gc->fg >= 90 && gc->fg <= 97) {
1.359 nicm 2709: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2710: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2711: tty_puts(tty, s);
2712: } else
2713: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.385 nicm 2714: goto save;
1.79 nicm 2715: }
2716:
1.61 nicm 2717: /* Otherwise set the foreground colour. */
1.204 nicm 2718: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2719:
1.385 nicm 2720: save:
1.61 nicm 2721: /* Save the new values in the terminal current cell. */
1.204 nicm 2722: tc->fg = gc->fg;
1.1 nicm 2723: }
2724:
1.207 nicm 2725: static void
1.73 nicm 2726: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2727: {
1.61 nicm 2728: struct grid_cell *tc = &tty->cell;
1.79 nicm 2729: char s[32];
1.1 nicm 2730:
1.204 nicm 2731: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2732: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2733: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.385 nicm 2734: goto save;
1.199 nicm 2735: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2736: return;
1.79 nicm 2737: }
2738:
2739: /* Is this an aixterm bright colour? */
1.204 nicm 2740: if (gc->bg >= 90 && gc->bg <= 97) {
1.359 nicm 2741: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2742: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2743: tty_puts(tty, s);
2744: } else
2745: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.385 nicm 2746: goto save;
1.1 nicm 2747: }
2748:
1.61 nicm 2749: /* Otherwise set the background colour. */
1.204 nicm 2750: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2751:
1.385 nicm 2752: save:
1.61 nicm 2753: /* Save the new values in the terminal current cell. */
1.204 nicm 2754: tc->bg = gc->bg;
1.328 nicm 2755: }
2756:
2757: static void
2758: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2759: {
2760: struct grid_cell *tc = &tty->cell;
2761: u_int c;
2762: u_char r, g, b;
2763:
1.385 nicm 2764: /* Clear underline colour. */
2765: if (gc->us == 0) {
2766: tty_putcode(tty, TTYC_OL);
2767: goto save;
2768: }
2769:
1.328 nicm 2770: /* Must be an RGB colour - this should never happen. */
2771: if (~gc->us & COLOUR_FLAG_RGB)
2772: return;
2773:
2774: /*
1.385 nicm 2775: * Setulc and setal follows the ncurses(3) one argument "direct colour"
1.328 nicm 2776: * capability format. Calculate the colour value.
2777: */
2778: colour_split_rgb(gc->us, &r, &g, &b);
2779: c = (65536 * r) + (256 * g) + b;
2780:
1.385 nicm 2781: /*
2782: * Write the colour. Only use setal if the RGB flag is set because the
2783: * non-RGB version may be wrong.
2784: */
2785: if (tty_term_has(tty->term, TTYC_SETULC))
2786: tty_putcode1(tty, TTYC_SETULC, c);
2787: else if (tty_term_has(tty->term, TTYC_SETAL) &&
2788: tty_term_has(tty->term, TTYC_RGB))
2789: tty_putcode1(tty, TTYC_SETAL, c);
1.328 nicm 2790:
1.385 nicm 2791: save:
1.328 nicm 2792: /* Save the new values in the terminal current cell. */
2793: tc->us = gc->us;
1.61 nicm 2794: }
2795:
1.207 nicm 2796: static int
1.204 nicm 2797: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2798: {
1.204 nicm 2799: u_char r, g, b;
1.61 nicm 2800:
1.204 nicm 2801: if (colour & COLOUR_FLAG_256) {
1.359 nicm 2802: if (*type == '3' && tty_term_has(tty->term, TTYC_SETAF))
2803: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2804: else if (tty_term_has(tty->term, TTYC_SETAB))
2805: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2806: return (0);
1.204 nicm 2807: }
2808:
2809: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2810: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.359 nicm 2811: if (*type == '3' && tty_term_has(tty->term, TTYC_SETRGBF))
1.286 nicm 2812: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
1.359 nicm 2813: else if (tty_term_has(tty->term, TTYC_SETRGBB))
1.286 nicm 2814: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
1.165 nicm 2815: return (0);
2816: }
1.61 nicm 2817:
1.165 nicm 2818: return (-1);
1.176 nicm 2819: }
2820:
1.207 nicm 2821: static void
1.371 nicm 2822: tty_window_default_style(struct grid_cell *gc, struct window_pane *wp)
2823: {
2824: memcpy(gc, &grid_default_cell, sizeof *gc);
1.399 nicm 2825: gc->fg = wp->palette.fg;
2826: gc->bg = wp->palette.bg;
1.371 nicm 2827: }
2828:
1.373 nicm 2829: void
1.317 nicm 2830: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2831: {
1.400 nicm 2832: struct options *oo = wp->options;
2833: struct format_tree *ft;
1.373 nicm 2834:
2835: memcpy(gc, &grid_default_cell, sizeof *gc);
1.326 nicm 2836:
2837: if (wp->flags & PANE_STYLECHANGED) {
1.400 nicm 2838: log_debug("%%%u: style changed", wp->id);
1.326 nicm 2839: wp->flags &= ~PANE_STYLECHANGED;
1.371 nicm 2840:
1.400 nicm 2841: ft = format_create(NULL, NULL, FORMAT_PANE|wp->id,
2842: FORMAT_NOJOBS);
2843: format_defaults(ft, NULL, NULL, NULL, wp);
1.371 nicm 2844: tty_window_default_style(&wp->cached_active_gc, wp);
1.400 nicm 2845: style_add(&wp->cached_active_gc, oo, "window-active-style", ft);
1.371 nicm 2846: tty_window_default_style(&wp->cached_gc, wp);
1.400 nicm 2847: style_add(&wp->cached_gc, oo, "window-style", ft);
2848: format_free(ft);
1.203 nicm 2849: }
1.176 nicm 2850:
1.204 nicm 2851: if (gc->fg == 8) {
1.370 nicm 2852: if (wp == wp->window->active && wp->cached_active_gc.fg != 8)
2853: gc->fg = wp->cached_active_gc.fg;
1.204 nicm 2854: else
1.370 nicm 2855: gc->fg = wp->cached_gc.fg;
1.176 nicm 2856: }
2857:
1.204 nicm 2858: if (gc->bg == 8) {
1.370 nicm 2859: if (wp == wp->window->active && wp->cached_active_gc.bg != 8)
2860: gc->bg = wp->cached_active_gc.bg;
1.204 nicm 2861: else
1.370 nicm 2862: gc->bg = wp->cached_gc.bg;
1.176 nicm 2863: }
1.210 nicm 2864: }
2865:
2866: static void
1.373 nicm 2867: tty_default_attributes(struct tty *tty, const struct grid_cell *defaults,
1.399 nicm 2868: struct colour_palette *palette, u_int bg)
1.210 nicm 2869: {
1.373 nicm 2870: struct grid_cell gc;
1.210 nicm 2871:
2872: memcpy(&gc, &grid_default_cell, sizeof gc);
2873: gc.bg = bg;
1.373 nicm 2874: tty_attributes(tty, &gc, defaults, palette);
1.1 nicm 2875: }
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