Annotation of src/usr.bin/tmux/tty.c, Revision 1.417
1.417 ! nicm 1: /* $OpenBSD: tty.c,v 1.416 2022/02/15 13:03:02 nicm Exp $ */
1.1 nicm 2:
3: /*
1.198 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/ioctl.h>
21:
1.106 nicm 22: #include <netinet/in.h>
23:
1.212 nicm 24: #include <curses.h>
1.1 nicm 25: #include <errno.h>
26: #include <fcntl.h>
1.106 nicm 27: #include <resolv.h>
1.42 nicm 28: #include <stdlib.h>
1.1 nicm 29: #include <string.h>
30: #include <termios.h>
31: #include <unistd.h>
32:
33: #include "tmux.h"
34:
1.207 nicm 35: static int tty_log_fd = -1;
1.192 nicm 36:
1.373 nicm 37: static int tty_client_ready(struct client *);
1.201 nicm 38:
1.207 nicm 39: static void tty_set_italics(struct tty *);
40: static int tty_try_colour(struct tty *, int, const char *);
1.410 nicm 41: static void tty_force_cursor_colour(struct tty *, int);
1.208 nicm 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:
1.416 nicm 86: #define TTY_QUERY_TIMEOUT 5
87:
1.192 nicm 88: void
89: tty_create_log(void)
90: {
91: char name[64];
92:
93: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
94:
95: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
96: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
97: fatal("fcntl failed");
98: }
99:
1.185 nicm 100: int
1.380 nicm 101: tty_init(struct tty *tty, struct client *c)
1.1 nicm 102: {
1.380 nicm 103: if (!isatty(c->fd))
1.185 nicm 104: return (-1);
105:
1.30 nicm 106: memset(tty, 0, sizeof *tty);
1.136 nicm 107: tty->client = c;
1.30 nicm 108:
1.391 nicm 109: tty->cstyle = SCREEN_CURSOR_DEFAULT;
1.410 nicm 110: tty->ccolour = -1;
1.30 nicm 111:
1.380 nicm 112: if (tcgetattr(c->fd, &tty->tio) != 0)
113: return (-1);
1.185 nicm 114: return (0);
1.31 nicm 115: }
116:
1.287 nicm 117: void
1.31 nicm 118: tty_resize(struct tty *tty)
119: {
1.258 nicm 120: struct client *c = tty->client;
121: struct winsize ws;
1.334 nicm 122: u_int sx, sy, xpixel, ypixel;
1.31 nicm 123:
1.380 nicm 124: if (ioctl(c->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 125: sx = ws.ws_col;
1.334 nicm 126: if (sx == 0) {
1.88 nicm 127: sx = 80;
1.334 nicm 128: xpixel = 0;
129: } else
130: xpixel = ws.ws_xpixel / sx;
1.88 nicm 131: sy = ws.ws_row;
1.334 nicm 132: if (sy == 0) {
1.88 nicm 133: sy = 24;
1.334 nicm 134: ypixel = 0;
135: } else
136: ypixel = ws.ws_ypixel / sy;
1.88 nicm 137: } else {
138: sx = 80;
139: sy = 24;
1.334 nicm 140: xpixel = 0;
141: ypixel = 0;
1.31 nicm 142: }
1.334 nicm 143: log_debug("%s: %s now %ux%u (%ux%u)", __func__, c->name, sx, sy,
144: xpixel, ypixel);
145: tty_set_size(tty, sx, sy, xpixel, ypixel);
1.242 nicm 146: tty_invalidate(tty);
1.114 nicm 147: }
148:
1.287 nicm 149: void
1.334 nicm 150: tty_set_size(struct tty *tty, u_int sx, u_int sy, u_int xpixel, u_int ypixel)
1.212 nicm 151: {
1.114 nicm 152: tty->sx = sx;
153: tty->sy = sy;
1.334 nicm 154: tty->xpixel = xpixel;
155: tty->ypixel = ypixel;
1.1 nicm 156: }
157:
1.244 nicm 158: static void
159: tty_read_callback(__unused int fd, __unused short events, void *data)
160: {
161: struct tty *tty = data;
1.258 nicm 162: struct client *c = tty->client;
1.375 nicm 163: const char *name = c->name;
1.244 nicm 164: size_t size = EVBUFFER_LENGTH(tty->in);
165: int nread;
166:
1.380 nicm 167: nread = evbuffer_read(tty->in, c->fd, -1);
1.295 nicm 168: if (nread == 0 || nread == -1) {
1.375 nicm 169: if (nread == 0)
170: log_debug("%s: read closed", name);
171: else
172: log_debug("%s: read error: %s", name, strerror(errno));
1.290 nicm 173: event_del(&tty->event_in);
1.295 nicm 174: server_client_lost(tty->client);
1.244 nicm 175: return;
1.290 nicm 176: }
1.375 nicm 177: log_debug("%s: read %d bytes (already %zu)", name, nread, size);
1.244 nicm 178:
179: while (tty_keys_next(tty))
180: ;
181: }
182:
183: static void
1.266 nicm 184: tty_timer_callback(__unused int fd, __unused short events, void *data)
185: {
186: struct tty *tty = data;
187: struct client *c = tty->client;
188: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
189:
190: log_debug("%s: %zu discarded", c->name, tty->discarded);
191:
1.305 nicm 192: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.266 nicm 193: c->discarded += tty->discarded;
194:
195: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
196: tty->flags &= ~TTY_BLOCK;
197: tty_invalidate(tty);
198: return;
199: }
200: tty->discarded = 0;
201: evtimer_add(&tty->timer, &tv);
202: }
203:
204: static int
205: tty_block_maybe(struct tty *tty)
206: {
207: struct client *c = tty->client;
208: size_t size = EVBUFFER_LENGTH(tty->out);
209: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
210:
1.414 nicm 211: if (size == 0)
212: tty->flags &= ~TTY_NOBLOCK;
213: else if (tty->flags & TTY_NOBLOCK)
214: return (0);
215:
1.266 nicm 216: if (size < TTY_BLOCK_START(tty))
217: return (0);
218:
219: if (tty->flags & TTY_BLOCK)
220: return (1);
221: tty->flags |= TTY_BLOCK;
222:
223: log_debug("%s: can't keep up, %zu discarded", c->name, size);
224:
225: evbuffer_drain(tty->out, size);
226: c->discarded += size;
227:
228: tty->discarded = 0;
229: evtimer_add(&tty->timer, &tv);
230: return (1);
231: }
232:
233: static void
1.244 nicm 234: tty_write_callback(__unused int fd, __unused short events, void *data)
235: {
1.246 nicm 236: struct tty *tty = data;
1.258 nicm 237: struct client *c = tty->client;
1.246 nicm 238: size_t size = EVBUFFER_LENGTH(tty->out);
239: int nwrite;
1.244 nicm 240:
1.380 nicm 241: nwrite = evbuffer_write(tty->out, c->fd);
1.244 nicm 242: if (nwrite == -1)
243: return;
1.258 nicm 244: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 245:
1.270 nicm 246: if (c->redraw > 0) {
247: if ((size_t)nwrite >= c->redraw)
248: c->redraw = 0;
249: else
250: c->redraw -= nwrite;
251: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
252: c->redraw);
253: } else if (tty_block_maybe(tty))
1.266 nicm 254: return;
255:
1.247 nicm 256: if (EVBUFFER_LENGTH(tty->out) != 0)
257: event_add(&tty->event_out, NULL);
1.244 nicm 258: }
259:
1.1 nicm 260: int
1.166 nicm 261: tty_open(struct tty *tty, char **cause)
1.1 nicm 262: {
1.359 nicm 263: struct client *c = tty->client;
264:
1.389 nicm 265: tty->term = tty_term_create(tty, c->term_name, c->term_caps,
266: c->term_ncaps, &c->term_features, cause);
1.21 nicm 267: if (tty->term == NULL) {
268: tty_close(tty);
269: return (-1);
270: }
271: tty->flags |= TTY_OPENED;
1.1 nicm 272:
1.266 nicm 273: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 274:
1.380 nicm 275: event_set(&tty->event_in, c->fd, EV_PERSIST|EV_READ,
1.244 nicm 276: tty_read_callback, tty);
277: tty->in = evbuffer_new();
1.311 nicm 278: if (tty->in == NULL)
279: fatal("out of memory");
1.1 nicm 280:
1.380 nicm 281: event_set(&tty->event_out, c->fd, EV_WRITE, tty_write_callback, tty);
1.244 nicm 282: tty->out = evbuffer_new();
1.311 nicm 283: if (tty->out == NULL)
284: fatal("out of memory");
1.1 nicm 285:
1.266 nicm 286: evtimer_set(&tty->timer, tty_timer_callback, tty);
287:
1.1 nicm 288: tty_start_tty(tty);
289:
1.148 nicm 290: tty_keys_build(tty);
1.1 nicm 291:
292: return (0);
293: }
294:
1.340 nicm 295: static void
296: tty_start_timer_callback(__unused int fd, __unused short events, void *data)
297: {
298: struct tty *tty = data;
299: struct client *c = tty->client;
300:
301: log_debug("%s: start timer fired", c->name);
1.378 nicm 302: if ((tty->flags & (TTY_HAVEDA|TTY_HAVEXDA)) == 0)
303: tty_update_features(tty);
1.364 nicm 304: tty->flags |= (TTY_HAVEDA|TTY_HAVEXDA);
1.340 nicm 305: }
306:
1.244 nicm 307: void
308: tty_start_tty(struct tty *tty)
1.1 nicm 309: {
1.285 nicm 310: struct client *c = tty->client;
311: struct termios tio;
1.416 nicm 312: struct timeval tv = { .tv_sec = TTY_QUERY_TIMEOUT };
1.33 nicm 313:
1.380 nicm 314: setblocking(c->fd, 0);
315: event_add(&tty->event_in, NULL);
316:
317: memcpy(&tio, &tty->tio, sizeof tio);
318: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
319: tio.c_iflag |= IGNBRK;
320: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
321: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|ECHOPRT|
322: ECHOKE|ISIG);
323: tio.c_cc[VMIN] = 1;
324: tio.c_cc[VTIME] = 0;
325: if (tcsetattr(c->fd, TCSANOW, &tio) == 0)
1.404 nicm 326: tcflush(c->fd, TCOFLUSH);
1.1 nicm 327:
1.10 nicm 328: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 329:
1.252 nicm 330: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 331: tty_putcode(tty, TTYC_CLEAR);
332:
333: if (tty_acs_needed(tty)) {
334: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 335: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 336: } else
337: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 338:
339: tty_putcode(tty, TTYC_CNORM);
1.343 nicm 340: if (tty_term_has(tty->term, TTYC_KMOUS)) {
341: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1003l");
342: tty_puts(tty, "\033[?1006l\033[?1005l");
343: }
1.121 nicm 344:
1.340 nicm 345: evtimer_set(&tty->start_timer, tty_start_timer_callback, tty);
346: evtimer_add(&tty->start_timer, &tv);
347:
1.20 nicm 348: tty->flags |= TTY_STARTED;
1.242 nicm 349: tty_invalidate(tty);
1.107 nicm 350:
1.410 nicm 351: if (tty->ccolour != -1)
352: tty_force_cursor_colour(tty, -1);
1.177 nicm 353:
354: tty->mouse_drag_flag = 0;
355: tty->mouse_drag_update = NULL;
356: tty->mouse_drag_release = NULL;
1.347 nicm 357: }
358:
359: void
360: tty_send_requests(struct tty *tty)
361: {
362: if (~tty->flags & TTY_STARTED)
363: return;
364:
1.369 nicm 365: if (tty->term->flags & TERM_VT100LIKE) {
1.347 nicm 366: if (~tty->flags & TTY_HAVEDA)
1.351 nicm 367: tty_puts(tty, "\033[>c");
1.364 nicm 368: if (~tty->flags & TTY_HAVEXDA)
369: tty_puts(tty, "\033[>q");
1.347 nicm 370: } else
1.364 nicm 371: tty->flags |= (TTY_HAVEDA|TTY_HAVEXDA);
1.128 nicm 372: }
373:
374: void
1.1 nicm 375: tty_stop_tty(struct tty *tty)
376: {
1.380 nicm 377: struct client *c = tty->client;
378: struct winsize ws;
1.1 nicm 379:
1.20 nicm 380: if (!(tty->flags & TTY_STARTED))
381: return;
382: tty->flags &= ~TTY_STARTED;
1.340 nicm 383:
384: evtimer_del(&tty->start_timer);
1.20 nicm 385:
1.266 nicm 386: event_del(&tty->timer);
387: tty->flags &= ~TTY_BLOCK;
388:
1.244 nicm 389: event_del(&tty->event_in);
390: event_del(&tty->event_out);
1.66 nicm 391:
1.1 nicm 392: /*
393: * Be flexible about error handling and try not kill the server just
394: * because the fd is invalid. Things like ssh -t can easily leave us
395: * with a dead tty.
396: */
1.380 nicm 397: if (ioctl(c->fd, TIOCGWINSZ, &ws) == -1)
1.1 nicm 398: return;
1.380 nicm 399: if (tcsetattr(c->fd, TCSANOW, &tty->tio) == -1)
1.1 nicm 400: return;
401:
402: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 403: if (tty_acs_needed(tty))
1.90 nicm 404: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 405: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
406: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
407: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.391 nicm 408: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
1.160 nicm 409: if (tty_term_has(tty->term, TTYC_SE))
410: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.391 nicm 411: else if (tty_term_has(tty->term, TTYC_SS))
1.160 nicm 412: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 413: }
1.173 nicm 414: if (tty->mode & MODE_BRACKETPASTE)
1.366 nicm 415: tty_raw(tty, tty_term_string(tty->term, TTYC_DSBP));
1.410 nicm 416: if (tty->ccolour != -1)
1.336 nicm 417: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 418:
419: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
1.343 nicm 420: if (tty_term_has(tty->term, TTYC_KMOUS)) {
421: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1003l");
422: tty_raw(tty, "\033[?1006l\033[?1005l");
423: }
1.151 nicm 424:
1.369 nicm 425: if (tty->term->flags & TERM_VT100LIKE)
1.352 nicm 426: tty_raw(tty, "\033[?7727l");
1.378 nicm 427: tty_raw(tty, tty_term_string(tty->term, TTYC_DSFCS));
428: tty_raw(tty, tty_term_string(tty->term, TTYC_DSEKS));
1.10 nicm 429:
1.212 nicm 430: if (tty_use_margin(tty))
1.365 nicm 431: tty_raw(tty, tty_term_string(tty->term, TTYC_DSMG));
1.10 nicm 432: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 433:
1.380 nicm 434: setblocking(c->fd, 1);
1.1 nicm 435: }
436:
437: void
1.20 nicm 438: tty_close(struct tty *tty)
1.1 nicm 439: {
1.123 nicm 440: if (event_initialized(&tty->key_timer))
441: evtimer_del(&tty->key_timer);
1.20 nicm 442: tty_stop_tty(tty);
1.1 nicm 443:
1.21 nicm 444: if (tty->flags & TTY_OPENED) {
1.244 nicm 445: evbuffer_free(tty->in);
446: event_del(&tty->event_in);
447: evbuffer_free(tty->out);
448: event_del(&tty->event_out);
1.66 nicm 449:
1.21 nicm 450: tty_term_free(tty->term);
451: tty_keys_free(tty);
452:
453: tty->flags &= ~TTY_OPENED;
454: }
1.1 nicm 455: }
456:
457: void
1.20 nicm 458: tty_free(struct tty *tty)
1.1 nicm 459: {
1.20 nicm 460: tty_close(tty);
1.1 nicm 461: }
462:
463: void
1.359 nicm 464: tty_update_features(struct tty *tty)
1.212 nicm 465: {
1.359 nicm 466: struct client *c = tty->client;
467:
1.362 nicm 468: if (tty_apply_features(tty->term, c->term_features))
469: tty_term_apply_overrides(tty->term);
1.212 nicm 470:
471: if (tty_use_margin(tty))
1.365 nicm 472: tty_putcode(tty, TTYC_ENMG);
1.378 nicm 473: if (options_get_number(global_options, "extended-keys"))
474: tty_puts(tty, tty_term_string(tty->term, TTYC_ENEKS));
475: if (options_get_number(global_options, "focus-events"))
1.379 nicm 476: tty_puts(tty, tty_term_string(tty->term, TTYC_ENFCS));
1.378 nicm 477: if (tty->term->flags & TERM_VT100LIKE)
478: tty_puts(tty, "\033[?7727h");
1.212 nicm 479: }
480:
481: void
1.1 nicm 482: tty_raw(struct tty *tty, const char *s)
483: {
1.380 nicm 484: struct client *c = tty->client;
485: ssize_t n, slen;
486: u_int i;
1.150 nicm 487:
488: slen = strlen(s);
489: for (i = 0; i < 5; i++) {
1.380 nicm 490: n = write(c->fd, s, slen);
1.150 nicm 491: if (n >= 0) {
492: s += n;
493: slen -= n;
494: if (slen == 0)
495: break;
496: } else if (n == -1 && errno != EAGAIN)
497: break;
498: usleep(100);
499: }
1.1 nicm 500: }
501:
502: void
503: tty_putcode(struct tty *tty, enum tty_code_code code)
504: {
505: tty_puts(tty, tty_term_string(tty->term, code));
506: }
507:
508: void
509: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
510: {
511: if (a < 0)
512: return;
513: tty_puts(tty, tty_term_string1(tty->term, code, a));
514: }
515:
516: void
517: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
518: {
519: if (a < 0 || b < 0)
520: return;
521: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
522: }
523:
524: void
1.286 nicm 525: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
526: {
527: if (a < 0 || b < 0 || c < 0)
528: return;
529: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
530: }
531:
532: void
1.107 nicm 533: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
534: {
535: if (a != NULL)
536: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
537: }
538:
539: void
1.167 nicm 540: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
541: const void *b)
1.106 nicm 542: {
543: if (a != NULL && b != NULL)
544: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
545: }
546:
1.243 nicm 547: static void
548: tty_add(struct tty *tty, const char *buf, size_t len)
549: {
1.258 nicm 550: struct client *c = tty->client;
551:
1.266 nicm 552: if (tty->flags & TTY_BLOCK) {
553: tty->discarded += len;
554: return;
555: }
556:
1.244 nicm 557: evbuffer_add(tty->out, buf, len);
1.270 nicm 558: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 559: c->written += len;
1.243 nicm 560:
561: if (tty_log_fd != -1)
562: write(tty_log_fd, buf, len);
1.244 nicm 563: if (tty->flags & TTY_STARTED)
564: event_add(&tty->event_out, NULL);
1.243 nicm 565: }
566:
1.106 nicm 567: void
1.1 nicm 568: tty_puts(struct tty *tty, const char *s)
569: {
1.243 nicm 570: if (*s != '\0')
571: tty_add(tty, s, strlen(s));
1.1 nicm 572: }
573:
574: void
575: tty_putc(struct tty *tty, u_char ch)
576: {
1.90 nicm 577: const char *acs;
1.1 nicm 578:
1.382 nicm 579: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 580: ch >= 0x20 && ch != 0x7f &&
581: tty->cy == tty->sy - 1 &&
582: tty->cx + 1 >= tty->sx)
583: return;
584:
1.90 nicm 585: if (tty->cell.attr & GRID_ATTR_CHARSET) {
586: acs = tty_acs_get(tty, ch);
1.243 nicm 587: if (acs != NULL)
588: tty_add(tty, acs, strlen(acs));
589: else
590: tty_add(tty, &ch, 1);
591: } else
592: tty_add(tty, &ch, 1);
1.1 nicm 593:
594: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 595: if (tty->cx >= tty->sx) {
1.46 nicm 596: tty->cx = 1;
597: if (tty->cy != tty->rlower)
598: tty->cy++;
1.211 nicm 599:
600: /*
1.382 nicm 601: * On !am terminals, force the cursor position to where
602: * we think it should be after a line wrap - this means
603: * it works on sensible terminals as well.
1.211 nicm 604: */
1.382 nicm 605: if (tty->term->flags & TERM_NOAM)
1.211 nicm 606: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 607: } else
608: tty->cx++;
609: }
610: }
611:
612: void
1.147 nicm 613: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 614: {
1.382 nicm 615: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 616: tty->cy == tty->sy - 1 &&
617: tty->cx + len >= tty->sx)
618: len = tty->sx - tty->cx - 1;
619:
1.243 nicm 620: tty_add(tty, buf, len);
1.268 nicm 621: if (tty->cx + width > tty->sx) {
622: tty->cx = (tty->cx + width) - tty->sx;
623: if (tty->cx <= tty->sx)
624: tty->cy++;
625: else
626: tty->cx = tty->cy = UINT_MAX;
627: } else
1.254 nicm 628: tty->cx += width;
1.5 nicm 629: }
630:
1.207 nicm 631: static void
1.180 nicm 632: tty_set_italics(struct tty *tty)
633: {
634: const char *s;
635:
636: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 637: s = options_get_string(global_options, "default-terminal");
1.180 nicm 638: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
639: tty_putcode(tty, TTYC_SITM);
640: return;
641: }
642: }
643: tty_putcode(tty, TTYC_SMSO);
644: }
645:
646: void
1.1 nicm 647: tty_set_title(struct tty *tty, const char *title)
648: {
1.105 nicm 649: if (!tty_term_has(tty->term, TTYC_TSL) ||
650: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 651: return;
652:
1.105 nicm 653: tty_putcode(tty, TTYC_TSL);
1.1 nicm 654: tty_puts(tty, title);
1.105 nicm 655: tty_putcode(tty, TTYC_FSL);
1.1 nicm 656: }
657:
1.208 nicm 658: static void
1.410 nicm 659: tty_force_cursor_colour(struct tty *tty, int c)
1.107 nicm 660: {
1.410 nicm 661: u_char r, g, b;
662: char s[13] = "";
663:
664: if (c != -1)
665: c = colour_force_rgb(c);
666: if (c == tty->ccolour)
667: return;
668: if (c == -1)
1.107 nicm 669: tty_putcode(tty, TTYC_CR);
1.410 nicm 670: else {
671: colour_split_rgb(c, &r, &g, &b);
672: xsnprintf(s, sizeof s, "rgb:%02hhx/%02hhx/%02hhx", r, g, b);
673: tty_putcode_ptr1(tty, TTYC_CS, s);
674: }
675: tty->ccolour = c;
1.107 nicm 676: }
677:
1.411 nicm 678: static int
679: tty_update_cursor(struct tty *tty, int mode, struct screen *s)
1.404 nicm 680: {
1.410 nicm 681: enum screen_cursor_style cstyle;
1.411 nicm 682: int ccolour, changed, cmode = mode;
1.404 nicm 683:
684: /* Set cursor colour if changed. */
1.410 nicm 685: if (s != NULL) {
686: ccolour = s->ccolour;
687: if (s->ccolour == -1)
688: ccolour = s->default_ccolour;
689: tty_force_cursor_colour(tty, ccolour);
690: }
1.404 nicm 691:
692: /* If cursor is off, set as invisible. */
1.411 nicm 693: if (~cmode & MODE_CURSOR) {
694: if (tty->mode & MODE_CURSOR)
1.404 nicm 695: tty_putcode(tty, TTYC_CIVIS);
1.411 nicm 696: return (cmode);
1.404 nicm 697: }
698:
699: /* Check if blinking or very visible flag changed or style changed. */
700: if (s == NULL)
701: cstyle = tty->cstyle;
1.411 nicm 702: else {
1.404 nicm 703: cstyle = s->cstyle;
1.411 nicm 704: if (cstyle == SCREEN_CURSOR_DEFAULT) {
705: if (~cmode & MODE_CURSOR_BLINKING_SET) {
706: if (s->default_mode & MODE_CURSOR_BLINKING)
707: cmode |= MODE_CURSOR_BLINKING;
708: else
709: cmode &= ~MODE_CURSOR_BLINKING;
710: }
711: cstyle = s->default_cstyle;
712: }
713: }
714:
715: /* If nothing changed, do nothing. */
716: changed = cmode ^ tty->mode;
1.404 nicm 717: if ((changed & CURSOR_MODES) == 0 && cstyle == tty->cstyle)
1.411 nicm 718: return (cmode);
1.404 nicm 719:
720: /*
721: * Set cursor style. If an explicit style has been set with DECSCUSR,
722: * set it if supported, otherwise send cvvis for blinking styles.
723: *
724: * If no style, has been set (SCREEN_CURSOR_DEFAULT), then send cvvis
725: * if either the blinking or very visible flags are set.
726: */
727: tty_putcode(tty, TTYC_CNORM);
728: switch (cstyle) {
729: case SCREEN_CURSOR_DEFAULT:
1.405 nicm 730: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
731: if (tty_term_has(tty->term, TTYC_SE))
732: tty_putcode(tty, TTYC_SE);
733: else
734: tty_putcode1(tty, TTYC_SS, 0);
735: }
1.411 nicm 736: if (cmode & (MODE_CURSOR_BLINKING|MODE_CURSOR_VERY_VISIBLE))
1.404 nicm 737: tty_putcode(tty, TTYC_CVVIS);
738: break;
739: case SCREEN_CURSOR_BLOCK:
740: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 741: if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 742: tty_putcode1(tty, TTYC_SS, 1);
743: else
744: tty_putcode1(tty, TTYC_SS, 2);
1.411 nicm 745: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 746: tty_putcode(tty, TTYC_CVVIS);
747: break;
748: case SCREEN_CURSOR_UNDERLINE:
749: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 750: if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 751: tty_putcode1(tty, TTYC_SS, 3);
752: else
753: tty_putcode1(tty, TTYC_SS, 4);
1.411 nicm 754: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 755: tty_putcode(tty, TTYC_CVVIS);
756: break;
757: case SCREEN_CURSOR_BAR:
758: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 759: if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 760: tty_putcode1(tty, TTYC_SS, 5);
761: else
762: tty_putcode1(tty, TTYC_SS, 6);
1.411 nicm 763: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 764: tty_putcode(tty, TTYC_CVVIS);
765: break;
766: }
767: tty->cstyle = cstyle;
1.411 nicm 768: return (cmode);
1.404 nicm 769: }
770:
1.107 nicm 771: void
772: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 773: {
1.411 nicm 774: struct tty_term *term = tty->term;
1.404 nicm 775: struct client *c = tty->client;
776: int changed;
1.107 nicm 777:
1.1 nicm 778: if (tty->flags & TTY_NOCURSOR)
779: mode &= ~MODE_CURSOR;
780:
1.411 nicm 781: if (tty_update_cursor(tty, mode, s) & MODE_CURSOR_BLINKING)
782: mode |= MODE_CURSOR_BLINKING;
783: else
784: mode &= ~MODE_CURSOR_BLINKING;
785:
1.1 nicm 786: changed = mode ^ tty->mode;
1.392 nicm 787: if (log_get_level() != 0 && changed != 0) {
788: log_debug("%s: current mode %s", c->name,
789: screen_mode_to_string(tty->mode));
790: log_debug("%s: setting mode %s", c->name,
791: screen_mode_to_string(mode));
792: }
1.344 nicm 793:
1.411 nicm 794: if ((changed & ALL_MOUSE_MODES) && tty_term_has(term, TTYC_KMOUS)) {
1.386 nicm 795: /*
1.415 nicm 796: * If the mouse modes have changed, clear then all and apply
797: * again. There are differences in how terminals track the
798: * various bits.
1.386 nicm 799: */
1.415 nicm 800: tty_puts(tty, "\033[?1006l\033[?1000l\033[?1002l\033[?1003l");
1.344 nicm 801: if (mode & ALL_MOUSE_MODES)
1.153 nicm 802: tty_puts(tty, "\033[?1006h");
1.415 nicm 803: if (mode & MODE_MOUSE_ALL)
804: tty_puts(tty, "\033[?1000h\033[?1002h\033[?1003h");
805: if (mode & MODE_MOUSE_BUTTON)
806: tty_puts(tty, "\033[?1000h\033[?1002h");
807: else if (mode & MODE_MOUSE_STANDARD)
1.344 nicm 808: tty_puts(tty, "\033[?1000h");
1.115 nicm 809: }
810: if (changed & MODE_BRACKETPASTE) {
811: if (mode & MODE_BRACKETPASTE)
1.366 nicm 812: tty_putcode(tty, TTYC_ENBP);
1.115 nicm 813: else
1.366 nicm 814: tty_putcode(tty, TTYC_DSBP);
1.1 nicm 815: }
816: tty->mode = mode;
817: }
818:
1.207 nicm 819: static void
1.168 nicm 820: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
821: enum tty_code_code code1, u_int n)
1.1 nicm 822: {
823: if (tty_term_has(tty->term, code))
824: tty_putcode1(tty, code, n);
825: else {
826: while (n-- > 0)
827: tty_putcode(tty, code1);
828: }
829: }
830:
1.207 nicm 831: static void
1.133 nicm 832: tty_repeat_space(struct tty *tty, u_int n)
833: {
1.257 nicm 834: static char s[500];
835:
836: if (*s != ' ')
837: memset(s, ' ', sizeof s);
838:
839: while (n > sizeof s) {
840: tty_putn(tty, s, sizeof s, sizeof s);
841: n -= sizeof s;
842: }
843: if (n != 0)
844: tty_putn(tty, s, n, n);
1.304 nicm 845: }
846:
1.309 nicm 847: /* Is this window bigger than the terminal? */
848: int
849: tty_window_bigger(struct tty *tty)
850: {
851: struct client *c = tty->client;
852: struct window *w = c->session->curw->window;
853:
854: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
855: }
856:
857: /* What offset should this window be drawn at? */
858: int
859: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
860: {
861: *ox = tty->oox;
862: *oy = tty->ooy;
863: *sx = tty->osx;
864: *sy = tty->osy;
865:
866: return (tty->oflag);
867: }
868:
869: /* What offset should this window be drawn at? */
870: static int
871: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
872: {
873: struct client *c = tty->client;
874: struct window *w = c->session->curw->window;
1.376 nicm 875: struct window_pane *wp = server_client_get_pane(c);
1.309 nicm 876: u_int cx, cy, lines;
877:
878: lines = status_line_size(c);
879:
880: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
881: *ox = 0;
882: *oy = 0;
883: *sx = w->sx;
884: *sy = w->sy;
885:
886: c->pan_window = NULL;
887: return (0);
888: }
889:
890: *sx = tty->sx;
891: *sy = tty->sy - lines;
892:
893: if (c->pan_window == w) {
894: if (*sx >= w->sx)
895: c->pan_ox = 0;
896: else if (c->pan_ox + *sx > w->sx)
897: c->pan_ox = w->sx - *sx;
898: *ox = c->pan_ox;
899: if (*sy >= w->sy)
900: c->pan_oy = 0;
901: else if (c->pan_oy + *sy > w->sy)
902: c->pan_oy = w->sy - *sy;
903: *oy = c->pan_oy;
904: return (1);
905: }
906:
907: if (~wp->screen->mode & MODE_CURSOR) {
908: *ox = 0;
909: *oy = 0;
910: } else {
911: cx = wp->xoff + wp->screen->cx;
912: cy = wp->yoff + wp->screen->cy;
913:
914: if (cx < *sx)
915: *ox = 0;
916: else if (cx > w->sx - *sx)
917: *ox = w->sx - *sx;
918: else
919: *ox = cx - *sx / 2;
920:
921: if (cy < *sy)
922: *oy = 0;
923: else if (cy > w->sy - *sy)
924: *oy = w->sy - *sy;
925: else
926: *oy = cy - *sy / 2;
927: }
928:
929: c->pan_window = NULL;
930: return (1);
931: }
932:
933: /* Update stored offsets for a window and redraw if necessary. */
934: void
935: tty_update_window_offset(struct window *w)
936: {
937: struct client *c;
938:
939: TAILQ_FOREACH(c, &clients, entry) {
1.413 nicm 940: if (c->session != NULL &&
941: c->session->curw != NULL &&
942: c->session->curw->window == w)
1.309 nicm 943: tty_update_client_offset(c);
944: }
945: }
946:
947: /* Update stored offsets for a client and redraw if necessary. */
948: void
949: tty_update_client_offset(struct client *c)
1.304 nicm 950: {
1.309 nicm 951: u_int ox, oy, sx, sy;
1.314 nicm 952:
953: if (~c->flags & CLIENT_TERMINAL)
954: return;
1.304 nicm 955:
1.309 nicm 956: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
957: if (ox == c->tty.oox &&
958: oy == c->tty.ooy &&
959: sx == c->tty.osx &&
960: sy == c->tty.osy)
961: return;
962:
963: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
964: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
965: ox, oy, sx, sy);
966:
967: c->tty.oox = ox;
968: c->tty.ooy = oy;
969: c->tty.osx = sx;
970: c->tty.osy = sy;
971:
972: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 973: }
974:
1.1 nicm 975: /*
1.119 nicm 976: * Is the region large enough to be worth redrawing once later rather than
977: * probably several times now? Currently yes if it is more than 50% of the
978: * pane.
979: */
1.207 nicm 980: static int
1.194 nicm 981: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 982: {
1.372 nicm 983: return (ctx->orlower - ctx->orupper >= ctx->sy / 2);
1.119 nicm 984: }
985:
986: /*
1.176 nicm 987: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
988: * emulated.
989: */
1.207 nicm 990: static int
1.373 nicm 991: tty_fake_bce(const struct tty *tty, const struct grid_cell *gc, u_int bg)
1.176 nicm 992: {
1.210 nicm 993: if (tty_term_flag(tty->term, TTYC_BCE))
994: return (0);
1.373 nicm 995: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc->bg))
1.210 nicm 996: return (1);
997: return (0);
1.176 nicm 998: }
999:
1000: /*
1.1 nicm 1001: * Redraw scroll region using data from screen (already updated). Used when
1002: * CSR not supported, or window is a pane that doesn't take up the full
1003: * width of the terminal.
1004: */
1.207 nicm 1005: static void
1.24 nicm 1006: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1007: {
1.358 nicm 1008: struct client *c = tty->client;
1.204 nicm 1009: u_int i;
1.1 nicm 1010:
1011: /*
1.373 nicm 1012: * If region is large, schedule a redraw. In most cases this is likely
1013: * to be followed by some more scrolling.
1.1 nicm 1014: */
1.119 nicm 1015: if (tty_large_region(tty, ctx)) {
1.373 nicm 1016: log_debug("%s: %s large redraw", __func__, c->name);
1017: ctx->redraw_cb(ctx);
1.1 nicm 1018: return;
1019: }
1020:
1.393 nicm 1021: for (i = ctx->orupper; i <= ctx->orlower; i++)
1022: tty_draw_pane(tty, ctx, i);
1.1 nicm 1023: }
1024:
1.309 nicm 1025: /* Is this position visible in the pane? */
1026: static int
1.374 nicm 1027: tty_is_visible(__unused struct tty *tty, const struct tty_ctx *ctx, u_int px,
1028: u_int py, u_int nx, u_int ny)
1.309 nicm 1029: {
1.374 nicm 1030: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1031:
1032: if (!ctx->bigger)
1033: return (1);
1034:
1.372 nicm 1035: if (xoff + nx <= ctx->wox || xoff >= ctx->wox + ctx->wsx ||
1.374 nicm 1036: yoff + ny <= ctx->woy || yoff >= ctx->woy + ctx->wsy)
1.309 nicm 1037: return (0);
1038: return (1);
1039: }
1040:
1041: /* Clamp line position to visible part of pane. */
1042: static int
1043: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1044: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
1045: {
1.373 nicm 1046: u_int xoff = ctx->rxoff + px;
1.309 nicm 1047:
1048: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
1049: return (0);
1.372 nicm 1050: *ry = ctx->yoff + py - ctx->woy;
1.309 nicm 1051:
1.372 nicm 1052: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1053: /* All visible. */
1054: *i = 0;
1.372 nicm 1055: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1056: *rx = nx;
1.372 nicm 1057: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1058: /* Both left and right not visible. */
1.372 nicm 1059: *i = ctx->wox;
1.309 nicm 1060: *x = 0;
1.372 nicm 1061: *rx = ctx->wsx;
1062: } else if (xoff < ctx->wox) {
1.309 nicm 1063: /* Left not visible. */
1.372 nicm 1064: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1065: *x = 0;
1066: *rx = nx - *i;
1067: } else {
1068: /* Right not visible. */
1069: *i = 0;
1.372 nicm 1070: *x = (ctx->xoff + px) - ctx->wox;
1071: *rx = ctx->wsx - *x;
1.309 nicm 1072: }
1073: if (*rx > nx)
1074: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1075:
1076: return (1);
1077: }
1078:
1079: /* Clear a line. */
1.271 nicm 1080: static void
1.373 nicm 1081: tty_clear_line(struct tty *tty, const struct grid_cell *defaults, u_int py,
1082: u_int px, u_int nx, u_int bg)
1.271 nicm 1083: {
1.406 nicm 1084: struct client *c = tty->client;
1085: struct overlay_ranges r;
1086: u_int i;
1.309 nicm 1087:
1088: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1089:
1090: /* Nothing to clear. */
1091: if (nx == 0)
1092: return;
1093:
1094: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1095: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.271 nicm 1096: /* Off the end of the line, use EL if available. */
1097: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1098: tty_cursor(tty, px, py);
1099: tty_putcode(tty, TTYC_EL);
1100: return;
1101: }
1102:
1103: /* At the start of the line. Use EL1. */
1104: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1105: tty_cursor(tty, px + nx - 1, py);
1106: tty_putcode(tty, TTYC_EL1);
1107: return;
1108: }
1109:
1110: /* Section of line. Use ECH if possible. */
1111: if (tty_term_has(tty->term, TTYC_ECH)) {
1112: tty_cursor(tty, px, py);
1113: tty_putcode1(tty, TTYC_ECH, nx);
1114: return;
1115: }
1116: }
1117:
1.394 nicm 1118: /*
1119: * Couldn't use an escape sequence, use spaces. Clear only the visible
1120: * bit if there is an overlay.
1121: */
1.406 nicm 1122: tty_check_overlay_range(tty, px, py, nx, &r);
1123: for (i = 0; i < OVERLAY_MAX_RANGES; i++) {
1124: if (r.nx[i] == 0)
1125: continue;
1126: tty_cursor(tty, r.px[i], py);
1127: tty_repeat_space(tty, r.nx[i]);
1.394 nicm 1128: }
1.271 nicm 1129: }
1130:
1.309 nicm 1131: /* Clear a line, adjusting to visible part of pane. */
1132: static void
1133: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1134: u_int px, u_int nx, u_int bg)
1135: {
1136: struct client *c = tty->client;
1137: u_int i, x, rx, ry;
1138:
1139: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1140:
1141: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1.373 nicm 1142: tty_clear_line(tty, &ctx->defaults, ry, x, rx, bg);
1.309 nicm 1143: }
1144:
1145: /* Clamp area position to visible part of pane. */
1146: static int
1147: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1148: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1149: u_int *ry)
1150: {
1.373 nicm 1151: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1152:
1153: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1154: return (0);
1155:
1.372 nicm 1156: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1157: /* All visible. */
1158: *i = 0;
1.372 nicm 1159: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1160: *rx = nx;
1.372 nicm 1161: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1162: /* Both left and right not visible. */
1.372 nicm 1163: *i = ctx->wox;
1.309 nicm 1164: *x = 0;
1.372 nicm 1165: *rx = ctx->wsx;
1166: } else if (xoff < ctx->wox) {
1.309 nicm 1167: /* Left not visible. */
1.372 nicm 1168: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1169: *x = 0;
1170: *rx = nx - *i;
1171: } else {
1172: /* Right not visible. */
1173: *i = 0;
1.372 nicm 1174: *x = (ctx->xoff + px) - ctx->wox;
1175: *rx = ctx->wsx - *x;
1.309 nicm 1176: }
1177: if (*rx > nx)
1178: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1179:
1.372 nicm 1180: if (yoff >= ctx->woy && yoff + ny <= ctx->woy + ctx->wsy) {
1.309 nicm 1181: /* All visible. */
1182: *j = 0;
1.372 nicm 1183: *y = ctx->yoff + py - ctx->woy;
1.309 nicm 1184: *ry = ny;
1.372 nicm 1185: } else if (yoff < ctx->woy && yoff + ny > ctx->woy + ctx->wsy) {
1.327 nicm 1186: /* Both top and bottom not visible. */
1.372 nicm 1187: *j = ctx->woy;
1.309 nicm 1188: *y = 0;
1.372 nicm 1189: *ry = ctx->wsy;
1190: } else if (yoff < ctx->woy) {
1.327 nicm 1191: /* Top not visible. */
1.372 nicm 1192: *j = ctx->woy - (ctx->yoff + py);
1.309 nicm 1193: *y = 0;
1194: *ry = ny - *j;
1195: } else {
1.327 nicm 1196: /* Bottom not visible. */
1.309 nicm 1197: *j = 0;
1.372 nicm 1198: *y = (ctx->yoff + py) - ctx->woy;
1199: *ry = ctx->wsy - *y;
1.309 nicm 1200: }
1201: if (*ry > ny)
1202: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1203:
1204: return (1);
1205: }
1206:
1207: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1208: static void
1.373 nicm 1209: tty_clear_area(struct tty *tty, const struct grid_cell *defaults, u_int py,
1210: u_int ny, u_int px, u_int nx, u_int bg)
1.271 nicm 1211: {
1.309 nicm 1212: struct client *c = tty->client;
1213: u_int yy;
1214: char tmp[64];
1.271 nicm 1215:
1.309 nicm 1216: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1217:
1218: /* Nothing to clear. */
1219: if (nx == 0 || ny == 0)
1220: return;
1221:
1222: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1223: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.276 nicm 1224: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1225: if (px == 0 &&
1226: px + nx >= tty->sx &&
1227: py + ny >= tty->sy &&
1228: tty_term_has(tty->term, TTYC_ED)) {
1229: tty_cursor(tty, 0, py);
1230: tty_putcode(tty, TTYC_ED);
1.274 nicm 1231: return;
1232: }
1233:
1234: /*
1.276 nicm 1235: * On VT420 compatible terminals we can use DECFRA if the
1236: * background colour isn't default (because it doesn't work
1237: * after SGR 0).
1.274 nicm 1238: */
1.359 nicm 1239: if ((tty->term->flags & TERM_DECFRA) && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1240: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1241: py + 1, px + 1, py + ny, px + nx);
1242: tty_puts(tty, tmp);
1.276 nicm 1243: return;
1244: }
1245:
1.280 nicm 1246: /* Full lines can be scrolled away to clear them. */
1247: if (px == 0 &&
1.281 nicm 1248: px + nx >= tty->sx &&
1.280 nicm 1249: ny > 2 &&
1250: tty_term_has(tty->term, TTYC_CSR) &&
1251: tty_term_has(tty->term, TTYC_INDN)) {
1252: tty_region(tty, py, py + ny - 1);
1253: tty_margin_off(tty);
1.284 nicm 1254: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1255: return;
1256: }
1257:
1.276 nicm 1258: /*
1259: * If margins are supported, can just scroll the area off to
1260: * clear it.
1261: */
1.277 nicm 1262: if (nx > 2 &&
1263: ny > 2 &&
1.280 nicm 1264: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1265: tty_use_margin(tty) &&
1266: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1267: tty_region(tty, py, py + ny - 1);
1268: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1269: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1270: return;
1271: }
1272: }
1273:
1274: /* Couldn't use an escape sequence, loop over the lines. */
1275: for (yy = py; yy < py + ny; yy++)
1.373 nicm 1276: tty_clear_line(tty, defaults, yy, px, nx, bg);
1.271 nicm 1277: }
1278:
1.309 nicm 1279: /* Clear an area in a pane. */
1280: static void
1281: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1282: u_int ny, u_int px, u_int nx, u_int bg)
1283: {
1284: u_int i, j, x, y, rx, ry;
1285:
1286: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1.373 nicm 1287: tty_clear_area(tty, &ctx->defaults, y, ry, x, rx, bg);
1.309 nicm 1288: }
1289:
1290: static void
1291: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1292: {
1.373 nicm 1293: struct screen *s = ctx->s;
1294: u_int nx = ctx->sx, i, x, rx, ry;
1.309 nicm 1295:
1296: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1297:
1298: if (!ctx->bigger) {
1.373 nicm 1299: tty_draw_line(tty, s, 0, py, nx, ctx->xoff, ctx->yoff + py,
1300: &ctx->defaults, ctx->palette);
1.309 nicm 1301: return;
1302: }
1.373 nicm 1303: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry)) {
1304: tty_draw_line(tty, s, i, py, rx, x, ry, &ctx->defaults,
1305: ctx->palette);
1306: }
1.176 nicm 1307: }
1308:
1.298 nicm 1309: static const struct grid_cell *
1310: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1311: {
1312: static struct grid_cell new;
1.377 nicm 1313: int c;
1.298 nicm 1314:
1315: /* Characters less than 0x7f are always fine, no matter what. */
1316: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1317: return (gc);
1318:
1319: /* UTF-8 terminal and a UTF-8 character - fine. */
1.359 nicm 1320: if (tty->client->flags & CLIENT_UTF8)
1.298 nicm 1321: return (gc);
1.377 nicm 1322: memcpy(&new, gc, sizeof new);
1323:
1324: /* See if this can be mapped to an ACS character. */
1325: c = tty_acs_reverse_get(tty, gc->data.data, gc->data.size);
1326: if (c != -1) {
1327: utf8_set(&new.data, c);
1328: new.attr |= GRID_ATTR_CHARSET;
1329: return (&new);
1330: }
1.298 nicm 1331:
1332: /* Replace by the right number of underscores. */
1.377 nicm 1333: new.data.size = gc->data.width;
1334: if (new.data.size > UTF8_SIZE)
1335: new.data.size = UTF8_SIZE;
1336: memset(new.data.data, '_', new.data.size);
1.298 nicm 1337: return (&new);
1338: }
1339:
1.406 nicm 1340: /*
1341: * Check if a single character is obstructed by the overlay and return a
1342: * boolean.
1343: */
1.346 nicm 1344: static int
1345: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1346: {
1.406 nicm 1347: struct overlay_ranges r;
1348:
1349: /*
1350: * A unit width range will always return nx[2] == 0 from a check, even
1351: * with multiple overlays, so it's sufficient to check just the first
1352: * two entries.
1353: */
1354: tty_check_overlay_range(tty, px, py, 1, &r);
1355: if (r.nx[0] + r.nx[1] == 0)
1356: return (0);
1357: return (1);
1358: }
1359:
1360: /* Return parts of the input range which are visible. */
1361: static void
1362: tty_check_overlay_range(struct tty *tty, u_int px, u_int py, u_int nx,
1363: struct overlay_ranges *r)
1364: {
1.346 nicm 1365: struct client *c = tty->client;
1366:
1.406 nicm 1367: if (c->overlay_check == NULL) {
1368: r->px[0] = px;
1369: r->nx[0] = nx;
1370: r->px[1] = 0;
1371: r->nx[1] = 0;
1372: r->px[2] = 0;
1373: r->nx[2] = 0;
1374: return;
1375: }
1376:
1377: c->overlay_check(c, c->overlay_data, px, py, nx, r);
1.346 nicm 1378: }
1379:
1.176 nicm 1380: void
1.373 nicm 1381: tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
1.399 nicm 1382: u_int atx, u_int aty, const struct grid_cell *defaults,
1383: struct colour_palette *palette)
1.1 nicm 1384: {
1.297 nicm 1385: struct grid *gd = s->grid;
1.250 nicm 1386: struct grid_cell gc, last;
1.298 nicm 1387: const struct grid_cell *gcp;
1.309 nicm 1388: struct grid_line *gl;
1.394 nicm 1389: struct client *c = tty->client;
1.406 nicm 1390: struct overlay_ranges r;
1391: u_int i, j, ux, sx, width, hidden, eux, nxx;
1392: u_int cellsize;
1.396 nicm 1393: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1394: char buf[512];
1.315 nicm 1395: size_t len;
1.1 nicm 1396:
1.309 nicm 1397: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1398: px, py, nx, atx, aty);
1.399 nicm 1399: log_debug("%s: defaults: fg=%d, bg=%d", __func__, defaults->fg,
1400: defaults->bg);
1.309 nicm 1401:
1402: /*
1403: * py is the line in the screen to draw.
1404: * px is the start x and nx is the width to draw.
1405: * atx,aty is the line on the terminal to draw it.
1406: */
1407:
1.259 nicm 1408: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1409: tty->flags |= TTY_NOCURSOR;
1410: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1411:
1.214 nicm 1412: tty_region_off(tty);
1413: tty_margin_off(tty);
1414:
1.273 nicm 1415: /*
1416: * Clamp the width to cellsize - note this is not cellused, because
1417: * there may be empty background cells after it (from BCE).
1418: */
1.1 nicm 1419: sx = screen_size_x(s);
1.309 nicm 1420: if (nx > sx)
1421: nx = sx;
1.303 nicm 1422: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1423: if (sx > cellsize)
1424: sx = cellsize;
1.1 nicm 1425: if (sx > tty->sx)
1426: sx = tty->sx;
1.309 nicm 1427: if (sx > nx)
1428: sx = nx;
1.292 nicm 1429: ux = 0;
1.1 nicm 1430:
1.309 nicm 1431: if (py == 0)
1432: gl = NULL;
1433: else
1434: gl = grid_get_line(gd, gd->hsize + py - 1);
1.373 nicm 1435: if (gl == NULL ||
1.309 nicm 1436: (~gl->flags & GRID_LINE_WRAPPED) ||
1437: atx != 0 ||
1.268 nicm 1438: tty->cx < tty->sx ||
1.309 nicm 1439: nx < tty->sx) {
1440: if (nx < tty->sx &&
1441: atx == 0 &&
1442: px + sx != nx &&
1.268 nicm 1443: tty_term_has(tty->term, TTYC_EL1) &&
1.394 nicm 1444: !tty_fake_bce(tty, defaults, 8) &&
1445: c->overlay_check == NULL) {
1.373 nicm 1446: tty_default_attributes(tty, defaults, palette, 8);
1.309 nicm 1447: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1448: tty_putcode(tty, TTYC_EL1);
1449: cleared = 1;
1450: }
1.329 nicm 1451: } else {
1.309 nicm 1452: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1453: wrapped = 1;
1454: }
1.250 nicm 1455:
1456: memcpy(&last, &grid_default_cell, sizeof last);
1457: len = 0;
1458: width = 0;
1.46 nicm 1459:
1.1 nicm 1460: for (i = 0; i < sx; i++) {
1.309 nicm 1461: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1462: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1463: if (len != 0 &&
1.346 nicm 1464: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1465: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1466: gcp->flags != last.flags ||
1467: gcp->attr != last.attr ||
1468: gcp->fg != last.fg ||
1469: gcp->bg != last.bg ||
1.328 nicm 1470: gcp->us != last.us ||
1.315 nicm 1471: ux + width + gcp->data.width > nx ||
1.298 nicm 1472: (sizeof buf) - len < gcp->data.size)) {
1.373 nicm 1473: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1474: if (last.flags & GRID_FLAG_CLEARED) {
1475: log_debug("%s: %zu cleared", __func__, len);
1.373 nicm 1476: tty_clear_line(tty, defaults, aty, atx + ux,
1477: width, last.bg);
1.315 nicm 1478: } else {
1.329 nicm 1479: if (!wrapped || atx != 0 || ux != 0)
1480: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1481: tty_putn(tty, buf, len, width);
1482: }
1.292 nicm 1483: ux += width;
1.250 nicm 1484:
1485: len = 0;
1486: width = 0;
1.329 nicm 1487: wrapped = 0;
1.250 nicm 1488: }
1489:
1.298 nicm 1490: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1491: screen_select_cell(s, &last, gcp);
1.250 nicm 1492: else
1.299 nicm 1493: memcpy(&last, gcp, sizeof last);
1.395 nicm 1494:
1.406 nicm 1495: tty_check_overlay_range(tty, atx + ux, aty, gcp->data.width,
1496: &r);
1.395 nicm 1497: hidden = 0;
1.406 nicm 1498: for (j = 0; j < OVERLAY_MAX_RANGES; j++)
1499: hidden += r.nx[j];
1500: hidden = gcp->data.width - hidden;
1.396 nicm 1501: if (hidden != 0 && hidden == gcp->data.width) {
1502: if (~gcp->flags & GRID_FLAG_PADDING)
1503: ux += gcp->data.width;
1504: } else if (hidden != 0 || ux + gcp->data.width > nx) {
1.395 nicm 1505: if (~gcp->flags & GRID_FLAG_PADDING) {
1506: tty_attributes(tty, &last, defaults, palette);
1.406 nicm 1507: for (j = 0; j < OVERLAY_MAX_RANGES; j++) {
1508: if (r.nx[j] == 0)
1509: continue;
1510: /* Effective width drawn so far. */
1511: eux = r.px[j] - atx;
1512: if (eux < nx) {
1513: tty_cursor(tty, r.px[j], aty);
1514: nxx = nx - eux;
1515: if (r.nx[j] > nxx)
1516: r.nx[j] = nxx;
1517: tty_repeat_space(tty, r.nx[j]);
1518: ux = eux + r.nx[j];
1.397 nicm 1519: }
1.395 nicm 1520: }
1.297 nicm 1521: }
1.299 nicm 1522: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1.373 nicm 1523: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1524: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1525: for (j = 0; j < gcp->data.size; j++)
1526: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1527: ux += gcp->data.width;
1.381 nicm 1528: } else if (~gcp->flags & GRID_FLAG_PADDING) {
1.298 nicm 1529: memcpy(buf + len, gcp->data.data, gcp->data.size);
1530: len += gcp->data.size;
1531: width += gcp->data.width;
1.250 nicm 1532: }
1533: }
1.315 nicm 1534: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.373 nicm 1535: tty_attributes(tty, &last, defaults, palette);
1.315 nicm 1536: if (last.flags & GRID_FLAG_CLEARED) {
1537: log_debug("%s: %zu cleared (end)", __func__, len);
1.373 nicm 1538: tty_clear_line(tty, defaults, aty, atx + ux, width,
1539: last.bg);
1.315 nicm 1540: } else {
1.329 nicm 1541: if (!wrapped || atx != 0 || ux != 0)
1542: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1543: tty_putn(tty, buf, len, width);
1544: }
1.315 nicm 1545: ux += width;
1.1 nicm 1546: }
1547:
1.309 nicm 1548: if (!cleared && ux < nx) {
1.315 nicm 1549: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1550: nx - ux, len);
1.373 nicm 1551: tty_default_attributes(tty, defaults, palette, 8);
1552: tty_clear_line(tty, defaults, aty, atx + ux, nx - ux, 8);
1.35 nicm 1553: }
1.1 nicm 1554:
1.181 nicm 1555: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1556: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1557: }
1558:
1.348 nicm 1559: void
1560: tty_sync_start(struct tty *tty)
1561: {
1.361 nicm 1562: if (tty->flags & TTY_BLOCK)
1563: return;
1564: if (tty->flags & TTY_SYNCING)
1565: return;
1566: tty->flags |= TTY_SYNCING;
1567:
1568: if (tty_term_has(tty->term, TTYC_SYNC)) {
1569: log_debug("%s sync start", tty->client->name);
1.360 nicm 1570: tty_putcode1(tty, TTYC_SYNC, 1);
1.357 nicm 1571: }
1.348 nicm 1572: }
1573:
1574: void
1575: tty_sync_end(struct tty *tty)
1576: {
1.361 nicm 1577: if (tty->flags & TTY_BLOCK)
1578: return;
1579: if (~tty->flags & TTY_SYNCING)
1580: return;
1581: tty->flags &= ~TTY_SYNCING;
1582:
1583: if (tty_term_has(tty->term, TTYC_SYNC)) {
1584: log_debug("%s sync end", tty->client->name);
1.360 nicm 1585: tty_putcode1(tty, TTYC_SYNC, 2);
1.357 nicm 1586: }
1.348 nicm 1587: }
1588:
1.201 nicm 1589: static int
1.373 nicm 1590: tty_client_ready(struct client *c)
1.182 nicm 1591: {
1592: if (c->session == NULL || c->tty.term == NULL)
1593: return (0);
1.305 nicm 1594: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1595: return (0);
1596: if (c->tty.flags & TTY_FREEZE)
1597: return (0);
1598: return (1);
1599: }
1600:
1.15 nicm 1601: void
1.182 nicm 1602: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1603: struct tty_ctx *ctx)
1.15 nicm 1604: {
1.373 nicm 1605: struct client *c;
1606: int state;
1.15 nicm 1607:
1.373 nicm 1608: if (ctx->set_client_cb == NULL)
1.15 nicm 1609: return;
1.178 nicm 1610: TAILQ_FOREACH(c, &clients, entry) {
1.373 nicm 1611: if (!tty_client_ready(c))
1.15 nicm 1612: continue;
1.373 nicm 1613: state = ctx->set_client_cb(ctx, c);
1614: if (state == -1)
1.358 nicm 1615: break;
1.373 nicm 1616: if (state == 0)
1617: continue;
1.139 nicm 1618: cmdfn(&c->tty, ctx);
1.1 nicm 1619: }
1620: }
1621:
1622: void
1.24 nicm 1623: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1624: {
1.394 nicm 1625: struct client *c = tty->client;
1626:
1.309 nicm 1627: if (ctx->bigger ||
1.372 nicm 1628: !tty_full_width(tty, ctx) ||
1.373 nicm 1629: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.210 nicm 1630: (!tty_term_has(tty->term, TTYC_ICH) &&
1.394 nicm 1631: !tty_term_has(tty->term, TTYC_ICH1)) ||
1632: c->overlay_check != NULL) {
1.309 nicm 1633: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1634: return;
1635: }
1636:
1.373 nicm 1637: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1638:
1.77 nicm 1639: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1640:
1.206 nicm 1641: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1642: }
1643:
1644: void
1.24 nicm 1645: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1646: {
1.394 nicm 1647: struct client *c = tty->client;
1648:
1.309 nicm 1649: if (ctx->bigger ||
1.372 nicm 1650: !tty_full_width(tty, ctx) ||
1.373 nicm 1651: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.26 nicm 1652: (!tty_term_has(tty->term, TTYC_DCH) &&
1.394 nicm 1653: !tty_term_has(tty->term, TTYC_DCH1)) ||
1654: c->overlay_check != NULL) {
1.309 nicm 1655: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1656: return;
1657: }
1658:
1.373 nicm 1659: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1660:
1.77 nicm 1661: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1662:
1.206 nicm 1663: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1664: }
1665:
1666: void
1667: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1668: {
1.373 nicm 1669: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.146 nicm 1670:
1.388 nicm 1671: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, ctx->num, ctx->bg);
1.1 nicm 1672: }
1673:
1674: void
1.24 nicm 1675: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1676: {
1.394 nicm 1677: struct client *c = tty->client;
1678:
1.309 nicm 1679: if (ctx->bigger ||
1.372 nicm 1680: !tty_full_width(tty, ctx) ||
1.373 nicm 1681: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.77 nicm 1682: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1683: !tty_term_has(tty->term, TTYC_IL1) ||
1.373 nicm 1684: ctx->sx == 1 ||
1.394 nicm 1685: ctx->sy == 1 ||
1686: c->overlay_check != NULL) {
1.14 nicm 1687: tty_redraw_region(tty, ctx);
1.1 nicm 1688: return;
1689: }
1690:
1.373 nicm 1691: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1692:
1.77 nicm 1693: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1694: tty_margin_off(tty);
1.77 nicm 1695: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1696:
1.12 nicm 1697: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1698: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1699: }
1700:
1701: void
1.24 nicm 1702: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1703: {
1.394 nicm 1704: struct client *c = tty->client;
1705:
1.309 nicm 1706: if (ctx->bigger ||
1.372 nicm 1707: !tty_full_width(tty, ctx) ||
1.373 nicm 1708: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.72 nicm 1709: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1710: !tty_term_has(tty->term, TTYC_DL1) ||
1.373 nicm 1711: ctx->sx == 1 ||
1.394 nicm 1712: ctx->sy == 1 ||
1713: c->overlay_check != NULL) {
1.14 nicm 1714: tty_redraw_region(tty, ctx);
1.1 nicm 1715: return;
1716: }
1717:
1.373 nicm 1718: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1719:
1.77 nicm 1720: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1721: tty_margin_off(tty);
1.77 nicm 1722: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1723:
1.12 nicm 1724: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1725: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1726: }
1727:
1728: void
1.24 nicm 1729: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1730: {
1.373 nicm 1731: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1732:
1.372 nicm 1733: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->sx, ctx->bg);
1.1 nicm 1734: }
1735:
1736: void
1.24 nicm 1737: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1738: {
1.373 nicm 1739: u_int nx = ctx->sx - ctx->ocx;
1.1 nicm 1740:
1.373 nicm 1741: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1742:
1.309 nicm 1743: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1744: }
1745:
1746: void
1.24 nicm 1747: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1748: {
1.373 nicm 1749: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1750:
1.309 nicm 1751: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1752: }
1753:
1754: void
1.24 nicm 1755: tty_cmd_reverseindex(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->orupper)
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) ||
1.70 nicm 1765: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1766: (!tty_term_has(tty->term, TTYC_RI) &&
1767: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1768: ctx->sx == 1 ||
1.394 nicm 1769: ctx->sy == 1 ||
1770: c->overlay_check != NULL) {
1.14 nicm 1771: tty_redraw_region(tty, ctx);
1.1 nicm 1772: return;
1773: }
1774:
1.373 nicm 1775: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1776:
1.56 nicm 1777: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1778: tty_margin_pane(tty, ctx);
1.56 nicm 1779: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1780:
1.331 nicm 1781: if (tty_term_has(tty->term, TTYC_RI))
1782: tty_putcode(tty, TTYC_RI);
1783: else
1784: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1785: }
1786:
1787: void
1.24 nicm 1788: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1789: {
1.394 nicm 1790: struct client *c = tty->client;
1791:
1.56 nicm 1792: if (ctx->ocy != ctx->orlower)
1793: return;
1794:
1.309 nicm 1795: if (ctx->bigger ||
1.372 nicm 1796: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1797: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1798: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1799: ctx->sx == 1 ||
1.394 nicm 1800: ctx->sy == 1 ||
1801: c->overlay_check != NULL) {
1.236 nicm 1802: tty_redraw_region(tty, ctx);
1.1 nicm 1803: return;
1804: }
1.52 nicm 1805:
1.373 nicm 1806: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.77 nicm 1807:
1.56 nicm 1808: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1809: tty_margin_pane(tty, ctx);
1810:
1811: /*
1.301 nicm 1812: * If we want to wrap a pane while using margins, the cursor needs to
1813: * be exactly on the right of the region. If the cursor is entirely off
1814: * the edge - move it back to the right. Some terminals are funny about
1815: * this and insert extra spaces, so only use the right if margins are
1816: * enabled.
1.212 nicm 1817: */
1.301 nicm 1818: if (ctx->xoff + ctx->ocx > tty->rright) {
1819: if (!tty_use_margin(tty))
1820: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1821: else
1822: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1823: } else
1.212 nicm 1824: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1825:
1.56 nicm 1826: tty_putc(tty, '\n');
1.240 nicm 1827: }
1828:
1829: void
1830: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1831: {
1.394 nicm 1832: struct client *c = tty->client;
1833: u_int i;
1.240 nicm 1834:
1.309 nicm 1835: if (ctx->bigger ||
1.372 nicm 1836: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1837: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1838: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1839: ctx->sx == 1 ||
1.394 nicm 1840: ctx->sy == 1 ||
1841: c->overlay_check != NULL) {
1.240 nicm 1842: tty_redraw_region(tty, ctx);
1843: return;
1844: }
1845:
1.373 nicm 1846: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.240 nicm 1847:
1848: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1849: tty_margin_pane(tty, ctx);
1850:
1.284 nicm 1851: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1852: if (!tty_use_margin(tty))
1853: tty_cursor(tty, 0, tty->rlower);
1854: else
1855: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1856: for (i = 0; i < ctx->num; i++)
1.240 nicm 1857: tty_putc(tty, '\n');
1.301 nicm 1858: } else {
1.353 nicm 1859: if (tty->cy == UINT_MAX)
1860: tty_cursor(tty, 0, 0);
1861: else
1862: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1863: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1864: }
1865: }
1866:
1867: void
1868: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1869: {
1.394 nicm 1870: u_int i;
1871: struct client *c = tty->client;
1.331 nicm 1872:
1873: if (ctx->bigger ||
1.372 nicm 1874: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1875: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.331 nicm 1876: !tty_term_has(tty->term, TTYC_CSR) ||
1877: (!tty_term_has(tty->term, TTYC_RI) &&
1878: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1879: ctx->sx == 1 ||
1.394 nicm 1880: ctx->sy == 1 ||
1881: c->overlay_check != NULL) {
1.331 nicm 1882: tty_redraw_region(tty, ctx);
1883: return;
1884: }
1885:
1.373 nicm 1886: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.331 nicm 1887:
1888: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1889: tty_margin_pane(tty, ctx);
1890: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1891:
1892: if (tty_term_has(tty->term, TTYC_RIN))
1893: tty_putcode1(tty, TTYC_RIN, ctx->num);
1894: else {
1895: for (i = 0; i < ctx->num; i++)
1896: tty_putcode(tty, TTYC_RI);
1.301 nicm 1897: }
1.1 nicm 1898: }
1899:
1900: void
1.24 nicm 1901: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1902: {
1.373 nicm 1903: u_int px, py, nx, ny;
1.1 nicm 1904:
1.373 nicm 1905: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1906:
1.372 nicm 1907: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1908: tty_margin_off(tty);
1.39 nicm 1909:
1.309 nicm 1910: px = 0;
1.372 nicm 1911: nx = ctx->sx;
1.309 nicm 1912: py = ctx->ocy + 1;
1.372 nicm 1913: ny = ctx->sy - ctx->ocy - 1;
1.271 nicm 1914:
1.309 nicm 1915: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1916:
1.309 nicm 1917: px = ctx->ocx;
1.372 nicm 1918: nx = ctx->sx - ctx->ocx;
1.309 nicm 1919: py = ctx->ocy;
1.271 nicm 1920:
1.309 nicm 1921: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1922: }
1923:
1924: void
1.24 nicm 1925: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1926: {
1.373 nicm 1927: u_int px, py, nx, ny;
1.1 nicm 1928:
1.373 nicm 1929: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1930:
1.372 nicm 1931: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1932: tty_margin_off(tty);
1.39 nicm 1933:
1.309 nicm 1934: px = 0;
1.372 nicm 1935: nx = ctx->sx;
1.309 nicm 1936: py = 0;
1.319 nicm 1937: ny = ctx->ocy;
1.271 nicm 1938:
1.309 nicm 1939: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1940:
1.309 nicm 1941: px = 0;
1.271 nicm 1942: nx = ctx->ocx + 1;
1.309 nicm 1943: py = ctx->ocy;
1.271 nicm 1944:
1.309 nicm 1945: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1946: }
1947:
1948: void
1.24 nicm 1949: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1950: {
1.373 nicm 1951: u_int px, py, nx, ny;
1.1 nicm 1952:
1.373 nicm 1953: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg);
1.1 nicm 1954:
1.372 nicm 1955: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1956: tty_margin_off(tty);
1.39 nicm 1957:
1.309 nicm 1958: px = 0;
1.372 nicm 1959: nx = ctx->sx;
1.309 nicm 1960: py = 0;
1.372 nicm 1961: ny = ctx->sy;
1.271 nicm 1962:
1.309 nicm 1963: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1964: }
1965:
1966: void
1.24 nicm 1967: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1968: {
1.373 nicm 1969: u_int i, j;
1.4 nicm 1970:
1.309 nicm 1971: if (ctx->bigger) {
1.373 nicm 1972: ctx->redraw_cb(ctx);
1.309 nicm 1973: return;
1974: }
1975:
1.373 nicm 1976: tty_attributes(tty, &grid_default_cell, &ctx->defaults, ctx->palette);
1.4 nicm 1977:
1.372 nicm 1978: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1979: tty_margin_off(tty);
1.4 nicm 1980:
1.372 nicm 1981: for (j = 0; j < ctx->sy; j++) {
1.41 nicm 1982: tty_cursor_pane(tty, ctx, 0, j);
1.372 nicm 1983: for (i = 0; i < ctx->sx; i++)
1.4 nicm 1984: tty_putc(tty, 'E');
1.1 nicm 1985: }
1986: }
1987:
1988: void
1.24 nicm 1989: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1990: {
1.394 nicm 1991: const struct grid_cell *gcp = ctx->cell;
1992: struct screen *s = ctx->s;
1.406 nicm 1993: struct overlay_ranges r;
1994: u_int px, py, i, vis = 0;
1.394 nicm 1995:
1996: px = ctx->xoff + ctx->ocx - ctx->wox;
1997: py = ctx->yoff + ctx->ocy - ctx->woy;
1998: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1) ||
1999: (gcp->data.width == 1 && !tty_check_overlay(tty, px, py)))
2000: return;
2001:
2002: /* Handle partially obstructed wide characters. */
2003: if (gcp->data.width > 1) {
1.406 nicm 2004: tty_check_overlay_range(tty, px, py, gcp->data.width, &r);
2005: for (i = 0; i < OVERLAY_MAX_RANGES; i++)
2006: vis += r.nx[i];
2007: if (vis < gcp->data.width) {
1.408 nicm 2008: tty_draw_line(tty, s, s->cx, s->cy, gcp->data.width,
2009: px, py, &ctx->defaults, ctx->palette);
2010: return;
1.394 nicm 2011: }
2012: }
1.309 nicm 2013:
1.372 nicm 2014: if (ctx->xoff + ctx->ocx - ctx->wox > tty->sx - 1 &&
1.306 nicm 2015: ctx->ocy == ctx->orlower &&
1.372 nicm 2016: tty_full_width(tty, ctx))
1.306 nicm 2017: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 2018:
1.306 nicm 2019: tty_margin_off(tty);
1.253 nicm 2020: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 2021:
1.373 nicm 2022: tty_cell(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 2023: }
2024:
2025: void
2026: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
2027: {
1.407 nicm 2028: struct overlay_ranges r;
2029: u_int i, px, py, cx;
2030: char *cp = ctx->ptr;
1.394 nicm 2031:
1.309 nicm 2032: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
2033: return;
2034:
2035: if (ctx->bigger &&
1.372 nicm 2036: (ctx->xoff + ctx->ocx < ctx->wox ||
2037: ctx->xoff + ctx->ocx + ctx->num > ctx->wox + ctx->wsx)) {
1.309 nicm 2038: if (!ctx->wrapped ||
1.372 nicm 2039: !tty_full_width(tty, ctx) ||
1.382 nicm 2040: (tty->term->flags & TERM_NOAM) ||
1.309 nicm 2041: ctx->xoff + ctx->ocx != 0 ||
2042: ctx->yoff + ctx->ocy != tty->cy + 1 ||
2043: tty->cx < tty->sx ||
2044: tty->cy == tty->rlower)
2045: tty_draw_pane(tty, ctx, ctx->ocy);
2046: else
1.373 nicm 2047: ctx->redraw_cb(ctx);
1.309 nicm 2048: return;
2049: }
2050:
1.306 nicm 2051: tty_margin_off(tty);
1.253 nicm 2052: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.407 nicm 2053: tty_attributes(tty, ctx->cell, &ctx->defaults, ctx->palette);
1.239 nicm 2054:
1.407 nicm 2055: /* Get tty position from pane position for overlay check. */
2056: px = ctx->xoff + ctx->ocx - ctx->wox;
2057: py = ctx->yoff + ctx->ocy - ctx->woy;
2058:
2059: tty_check_overlay_range(tty, px, py, ctx->num, &r);
1.406 nicm 2060: for (i = 0; i < OVERLAY_MAX_RANGES; i++) {
2061: if (r.nx[i] == 0)
2062: continue;
1.407 nicm 2063: /* Convert back to pane position for printing. */
2064: cx = r.px[i] - ctx->xoff + ctx->wox;
2065: tty_cursor_pane_unless_wrap(tty, ctx, cx, ctx->ocy);
2066: tty_putn(tty, cp + r.px[i] - px, r.nx[i], r.nx[i]);
1.394 nicm 2067: }
1.106 nicm 2068: }
2069:
2070: void
2071: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
2072: {
1.383 nicm 2073: tty_set_selection(tty, ctx->ptr, ctx->num);
2074: }
2075:
2076: void
2077: tty_set_selection(struct tty *tty, const char *buf, size_t len)
2078: {
2079: char *encoded;
2080: size_t size;
1.106 nicm 2081:
1.384 nicm 2082: if (~tty->flags & TTY_STARTED)
2083: return;
1.106 nicm 2084: if (!tty_term_has(tty->term, TTYC_MS))
1.383 nicm 2085: return;
1.106 nicm 2086:
1.383 nicm 2087: size = 4 * ((len + 2) / 3) + 1; /* storage for base64 */
2088: encoded = xmalloc(size);
1.106 nicm 2089:
1.383 nicm 2090: b64_ntop(buf, len, encoded, size);
1.414 nicm 2091: tty->flags |= TTY_NOBLOCK;
1.383 nicm 2092: tty_putcode_ptr2(tty, TTYC_MS, "", encoded);
1.106 nicm 2093:
1.383 nicm 2094: free(encoded);
1.100 nicm 2095: }
2096:
2097: void
2098: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
2099: {
1.414 nicm 2100: tty->flags |= TTY_NOBLOCK;
1.256 nicm 2101: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 2102: tty_invalidate(tty);
1.348 nicm 2103: }
2104:
2105: void
1.402 nicm 2106: tty_cmd_syncstart(struct tty *tty, const struct tty_ctx *ctx)
1.348 nicm 2107: {
1.402 nicm 2108: if (ctx->num == 0x11) {
2109: /*
1.403 nicm 2110: * This is an overlay and a command that moves the cursor so
1.402 nicm 2111: * start synchronized updates.
2112: */
2113: tty_sync_start(tty);
2114: } else if (~ctx->num & 0x10) {
2115: /*
2116: * This is a pane. If there is an overlay, always start;
2117: * otherwise, only if requested.
2118: */
2119: if (ctx->num || tty->client->overlay_draw != NULL)
2120: tty_sync_start(tty);
2121: }
1.1 nicm 2122: }
2123:
1.377 nicm 2124: void
1.373 nicm 2125: tty_cell(struct tty *tty, const struct grid_cell *gc,
1.399 nicm 2126: const struct grid_cell *defaults, struct colour_palette *palette)
1.1 nicm 2127: {
1.298 nicm 2128: const struct grid_cell *gcp;
1.1 nicm 2129:
2130: /* Skip last character if terminal is stupid. */
1.382 nicm 2131: if ((tty->term->flags & TERM_NOAM) &&
1.211 nicm 2132: tty->cy == tty->sy - 1 &&
2133: tty->cx == tty->sx - 1)
1.1 nicm 2134: return;
2135:
2136: /* If this is a padding character, do nothing. */
2137: if (gc->flags & GRID_FLAG_PADDING)
2138: return;
2139:
1.377 nicm 2140: /* Check the output codeset and apply attributes. */
2141: gcp = tty_check_codeset(tty, gc);
2142: tty_attributes(tty, gcp, defaults, palette);
1.1 nicm 2143:
1.377 nicm 2144: /* If it is a single character, write with putc to handle ACS. */
1.298 nicm 2145: if (gcp->data.size == 1) {
1.377 nicm 2146: tty_attributes(tty, gcp, defaults, palette);
1.298 nicm 2147: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 2148: return;
1.298 nicm 2149: tty_putc(tty, *gcp->data.data);
1.1 nicm 2150: return;
2151: }
2152:
1.147 nicm 2153: /* Write the data. */
1.298 nicm 2154: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 2155: }
2156:
2157: void
2158: tty_reset(struct tty *tty)
2159: {
2160: struct grid_cell *gc = &tty->cell;
2161:
1.228 nicm 2162: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 2163: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 2164: tty_putcode(tty, TTYC_RMACS);
2165: tty_putcode(tty, TTYC_SGR0);
2166: memcpy(gc, &grid_default_cell, sizeof *gc);
2167: }
2168: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1.242 nicm 2169: }
2170:
2171: static void
2172: tty_invalidate(struct tty *tty)
2173: {
2174: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
2175: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
2176:
2177: tty->cx = tty->cy = UINT_MAX;
2178: tty->rupper = tty->rleft = UINT_MAX;
2179: tty->rlower = tty->rright = UINT_MAX;
2180:
2181: if (tty->flags & TTY_STARTED) {
1.330 nicm 2182: if (tty_use_margin(tty))
1.365 nicm 2183: tty_putcode(tty, TTYC_ENMG);
1.242 nicm 2184: tty_putcode(tty, TTYC_SGR0);
2185:
2186: tty->mode = ALL_MODES;
2187: tty_update_mode(tty, MODE_CURSOR, NULL);
2188:
2189: tty_cursor(tty, 0, 0);
2190: tty_region_off(tty);
2191: tty_margin_off(tty);
2192: } else
2193: tty->mode = MODE_CURSOR;
1.1 nicm 2194: }
2195:
1.214 nicm 2196: /* Turn off margin. */
2197: void
2198: tty_region_off(struct tty *tty)
2199: {
2200: tty_region(tty, 0, tty->sy - 1);
2201: }
2202:
1.40 nicm 2203: /* Set region inside pane. */
1.208 nicm 2204: static void
1.196 nicm 2205: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
2206: u_int rlower)
1.1 nicm 2207: {
1.372 nicm 2208: tty_region(tty, ctx->yoff + rupper - ctx->woy,
2209: ctx->yoff + rlower - ctx->woy);
1.39 nicm 2210: }
2211:
1.40 nicm 2212: /* Set region at absolute position. */
1.214 nicm 2213: static void
1.40 nicm 2214: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2215: {
2216: if (tty->rlower == rlower && tty->rupper == rupper)
2217: return;
1.1 nicm 2218: if (!tty_term_has(tty->term, TTYC_CSR))
2219: return;
1.39 nicm 2220:
2221: tty->rupper = rupper;
2222: tty->rlower = rlower;
1.55 nicm 2223:
2224: /*
2225: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2226: * 0,0 if it is beyond the last column (they do not reset their wrap
2227: * flag so further output causes a line feed). As a workaround, do an
2228: * explicit move to 0 first.
2229: */
1.353 nicm 2230: if (tty->cx >= tty->sx) {
2231: if (tty->cy == UINT_MAX)
2232: tty_cursor(tty, 0, 0);
2233: else
2234: tty_cursor(tty, 0, tty->cy);
2235: }
1.42 nicm 2236:
1.39 nicm 2237: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2238: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2239: }
2240:
1.214 nicm 2241: /* Turn off margin. */
2242: void
2243: tty_margin_off(struct tty *tty)
2244: {
2245: tty_margin(tty, 0, tty->sx - 1);
2246: }
2247:
1.212 nicm 2248: /* Set margin inside pane. */
2249: static void
2250: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2251: {
1.372 nicm 2252: tty_margin(tty, ctx->xoff - ctx->wox,
1.373 nicm 2253: ctx->xoff + ctx->sx - 1 - ctx->wox);
1.212 nicm 2254: }
2255:
2256: /* Set margin at absolute position. */
1.214 nicm 2257: static void
1.212 nicm 2258: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2259: {
2260: if (!tty_use_margin(tty))
2261: return;
2262: if (tty->rleft == rleft && tty->rright == rright)
2263: return;
2264:
1.232 nicm 2265: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2266:
1.212 nicm 2267: tty->rleft = rleft;
2268: tty->rright = rright;
2269:
1.232 nicm 2270: if (rleft == 0 && rright == tty->sx - 1)
1.365 nicm 2271: tty_putcode(tty, TTYC_CLMG);
1.232 nicm 2272: else
1.365 nicm 2273: tty_putcode2(tty, TTYC_CMG, rleft, rright);
1.249 nicm 2274: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2275: }
2276:
2277: /*
2278: * Move the cursor, unless it would wrap itself when the next character is
2279: * printed.
2280: */
2281: static void
2282: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2283: u_int cx, u_int cy)
2284: {
1.268 nicm 2285: if (!ctx->wrapped ||
1.372 nicm 2286: !tty_full_width(tty, ctx) ||
1.382 nicm 2287: (tty->term->flags & TERM_NOAM) ||
1.253 nicm 2288: ctx->xoff + cx != 0 ||
2289: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2290: tty->cx < tty->sx ||
2291: tty->cy == tty->rlower)
1.253 nicm 2292: tty_cursor_pane(tty, ctx, cx, cy);
2293: else
2294: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2295: }
2296:
1.42 nicm 2297: /* Move cursor inside pane. */
1.208 nicm 2298: static void
1.41 nicm 2299: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2300: {
1.372 nicm 2301: tty_cursor(tty, ctx->xoff + cx - ctx->wox, ctx->yoff + cy - ctx->woy);
1.41 nicm 2302: }
2303:
1.42 nicm 2304: /* Move cursor to absolute position. */
1.41 nicm 2305: void
2306: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2307: {
1.42 nicm 2308: struct tty_term *term = tty->term;
2309: u_int thisx, thisy;
2310: int change;
1.354 nicm 2311:
2312: if (tty->flags & TTY_BLOCK)
2313: return;
1.77 nicm 2314:
1.42 nicm 2315: thisx = tty->cx;
2316: thisy = tty->cy;
2317:
1.409 nicm 2318: /*
2319: * If in the automargin space, and want to be there, do not move.
2320: * Otherwise, force the cursor to be in range (and complain).
2321: */
2322: if (cx == thisx && cy == thisy && cx == tty->sx)
2323: return;
2324: if (cx > tty->sx - 1) {
2325: log_debug("%s: x too big %u > %u", __func__, cx, tty->sx - 1);
2326: cx = tty->sx - 1;
2327: }
2328:
1.42 nicm 2329: /* No change. */
2330: if (cx == thisx && cy == thisy)
2331: return;
2332:
1.409 nicm 2333: /* Currently at the very end of the line - use absolute movement. */
1.43 nicm 2334: if (thisx > tty->sx - 1)
2335: goto absolute;
2336:
1.42 nicm 2337: /* Move to home position (0, 0). */
2338: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2339: tty_putcode(tty, TTYC_HOME);
2340: goto out;
2341: }
2342:
2343: /* Zero on the next line. */
1.293 nicm 2344: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2345: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2346: tty_putc(tty, '\r');
1.42 nicm 2347: tty_putc(tty, '\n');
2348: goto out;
2349: }
2350:
1.45 nicm 2351: /* Moving column or row. */
1.42 nicm 2352: if (cy == thisy) {
1.45 nicm 2353: /*
2354: * Moving column only, row staying the same.
2355: */
2356:
1.42 nicm 2357: /* To left edge. */
1.294 nicm 2358: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2359: tty_putc(tty, '\r');
2360: goto out;
2361: }
2362:
2363: /* One to the left. */
2364: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2365: tty_putcode(tty, TTYC_CUB1);
2366: goto out;
2367: }
2368:
2369: /* One to the right. */
2370: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2371: tty_putcode(tty, TTYC_CUF1);
2372: goto out;
2373: }
2374:
2375: /* Calculate difference. */
2376: change = thisx - cx; /* +ve left, -ve right */
2377:
2378: /*
2379: * Use HPA if change is larger than absolute, otherwise move
2380: * the cursor with CUB/CUF.
2381: */
1.87 nicm 2382: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2383: tty_putcode1(tty, TTYC_HPA, cx);
2384: goto out;
1.333 nicm 2385: } else if (change > 0 &&
2386: tty_term_has(term, TTYC_CUB) &&
2387: !tty_use_margin(tty)) {
1.202 nicm 2388: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2389: tty_putcode(tty, TTYC_CUB1);
2390: tty_putcode(tty, TTYC_CUB1);
2391: goto out;
2392: }
1.42 nicm 2393: tty_putcode1(tty, TTYC_CUB, change);
2394: goto out;
1.333 nicm 2395: } else if (change < 0 &&
2396: tty_term_has(term, TTYC_CUF) &&
2397: !tty_use_margin(tty)) {
1.42 nicm 2398: tty_putcode1(tty, TTYC_CUF, -change);
2399: goto out;
2400: }
1.45 nicm 2401: } else if (cx == thisx) {
2402: /*
2403: * Moving row only, column staying the same.
2404: */
1.42 nicm 2405:
2406: /* One above. */
1.77 nicm 2407: if (thisy != tty->rupper &&
1.42 nicm 2408: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2409: tty_putcode(tty, TTYC_CUU1);
2410: goto out;
2411: }
2412:
2413: /* One below. */
1.49 nicm 2414: if (thisy != tty->rlower &&
1.42 nicm 2415: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2416: tty_putcode(tty, TTYC_CUD1);
2417: goto out;
2418: }
2419:
2420: /* Calculate difference. */
2421: change = thisy - cy; /* +ve up, -ve down */
2422:
2423: /*
1.77 nicm 2424: * Try to use VPA if change is larger than absolute or if this
2425: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2426: */
1.87 nicm 2427: if ((u_int) abs(change) > cy ||
1.42 nicm 2428: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2429: (change > 0 && cy - change < tty->rupper)) {
2430: if (tty_term_has(term, TTYC_VPA)) {
2431: tty_putcode1(tty, TTYC_VPA, cy);
2432: goto out;
2433: }
1.42 nicm 2434: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2435: tty_putcode1(tty, TTYC_CUU, change);
2436: goto out;
2437: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2438: tty_putcode1(tty, TTYC_CUD, -change);
2439: goto out;
2440: }
2441: }
2442:
1.43 nicm 2443: absolute:
1.42 nicm 2444: /* Absolute movement. */
2445: tty_putcode2(tty, TTYC_CUP, cy, cx);
2446:
2447: out:
2448: tty->cx = cx;
2449: tty->cy = cy;
1.1 nicm 2450: }
2451:
2452: void
1.176 nicm 2453: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.399 nicm 2454: const struct grid_cell *defaults, struct colour_palette *palette)
1.1 nicm 2455: {
1.63 nicm 2456: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2457: int changed;
1.61 nicm 2458:
1.373 nicm 2459: /* Copy cell and update default colours. */
2460: memcpy(&gc2, gc, sizeof gc2);
1.399 nicm 2461: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2462: if (gc2.fg == 8)
2463: gc2.fg = defaults->fg;
2464: if (gc2.bg == 8)
2465: gc2.bg = defaults->bg;
2466: }
1.373 nicm 2467:
1.228 nicm 2468: /* Ignore cell if it is the same as the last one. */
1.373 nicm 2469: if (gc2.attr == tty->last_cell.attr &&
2470: gc2.fg == tty->last_cell.fg &&
2471: gc2.bg == tty->last_cell.bg &&
2472: gc2.us == tty->last_cell.us)
1.228 nicm 2473: return;
1.63 nicm 2474:
1.18 nicm 2475: /*
2476: * If no setab, try to use the reverse attribute as a best-effort for a
2477: * non-default background. This is a bit of a hack but it doesn't do
2478: * any serious harm and makes a couple of applications happier.
2479: */
2480: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2481: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2482: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2483: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2484: } else {
1.310 nicm 2485: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2486: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2487: }
2488: }
1.1 nicm 2489:
1.85 nicm 2490: /* Fix up the colours if necessary. */
1.373 nicm 2491: tty_check_fg(tty, palette, &gc2);
2492: tty_check_bg(tty, palette, &gc2);
2493: tty_check_us(tty, palette, &gc2);
1.85 nicm 2494:
1.328 nicm 2495: /*
2496: * If any bits are being cleared or the underline colour is now default,
2497: * reset everything.
2498: */
2499: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2500: tty_reset(tty);
2501:
2502: /*
2503: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2504: * may add to (NOT remove) the desired attributes.
1.64 nicm 2505: */
1.85 nicm 2506: tty_colours(tty, &gc2);
1.64 nicm 2507:
1.1 nicm 2508: /* Filter out attribute bits already set. */
1.85 nicm 2509: changed = gc2.attr & ~tc->attr;
2510: tc->attr = gc2.attr;
1.1 nicm 2511:
2512: /* Set the attributes. */
2513: if (changed & GRID_ATTR_BRIGHT)
2514: tty_putcode(tty, TTYC_BOLD);
2515: if (changed & GRID_ATTR_DIM)
2516: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2517: if (changed & GRID_ATTR_ITALICS)
2518: tty_set_italics(tty);
1.308 nicm 2519: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2520: if ((changed & GRID_ATTR_UNDERSCORE) ||
2521: !tty_term_has(tty->term, TTYC_SMULX))
2522: tty_putcode(tty, TTYC_SMUL);
2523: else if (changed & GRID_ATTR_UNDERSCORE_2)
2524: tty_putcode1(tty, TTYC_SMULX, 2);
2525: else if (changed & GRID_ATTR_UNDERSCORE_3)
2526: tty_putcode1(tty, TTYC_SMULX, 3);
2527: else if (changed & GRID_ATTR_UNDERSCORE_4)
2528: tty_putcode1(tty, TTYC_SMULX, 4);
2529: else if (changed & GRID_ATTR_UNDERSCORE_5)
2530: tty_putcode1(tty, TTYC_SMULX, 5);
2531: }
1.1 nicm 2532: if (changed & GRID_ATTR_BLINK)
2533: tty_putcode(tty, TTYC_BLINK);
2534: if (changed & GRID_ATTR_REVERSE) {
2535: if (tty_term_has(tty->term, TTYC_REV))
2536: tty_putcode(tty, TTYC_REV);
2537: else if (tty_term_has(tty->term, TTYC_SMSO))
2538: tty_putcode(tty, TTYC_SMSO);
2539: }
2540: if (changed & GRID_ATTR_HIDDEN)
2541: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2542: if (changed & GRID_ATTR_STRIKETHROUGH)
2543: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2544: if (changed & GRID_ATTR_OVERLINE)
2545: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2546: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2547: tty_putcode(tty, TTYC_SMACS);
1.373 nicm 2548:
2549: memcpy(&tty->last_cell, &gc2, sizeof tty->last_cell);
1.1 nicm 2550: }
2551:
1.207 nicm 2552: static void
1.85 nicm 2553: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2554: {
1.61 nicm 2555: struct grid_cell *tc = &tty->cell;
1.204 nicm 2556: int have_ax;
1.61 nicm 2557:
2558: /* No changes? Nothing is necessary. */
1.328 nicm 2559: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2560: return;
1.1 nicm 2561:
1.61 nicm 2562: /*
2563: * Is either the default colour? This is handled specially because the
2564: * best solution might be to reset both colours to default, in which
2565: * case if only one is default need to fall onward to set the other
2566: * colour.
2567: */
1.310 nicm 2568: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2569: /*
2570: * If don't have AX but do have op, send sgr0 (op can't
2571: * actually be used because it is sometimes the same as sgr0
2572: * and sometimes isn't). This resets both colours to default.
2573: *
2574: * Otherwise, try to set the default colour only as needed.
2575: */
1.174 nicm 2576: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2577: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2578: tty_reset(tty);
2579: else {
1.310 nicm 2580: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2581: if (have_ax)
2582: tty_puts(tty, "\033[39m");
1.204 nicm 2583: else if (tc->fg != 7)
1.61 nicm 2584: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2585: tc->fg = gc->fg;
1.61 nicm 2586: }
1.310 nicm 2587: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2588: if (have_ax)
1.61 nicm 2589: tty_puts(tty, "\033[49m");
1.204 nicm 2590: else if (tc->bg != 0)
1.61 nicm 2591: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2592: tc->bg = gc->bg;
1.61 nicm 2593: }
2594: }
2595: }
1.1 nicm 2596:
1.61 nicm 2597: /* Set the foreground colour. */
1.310 nicm 2598: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2599: tty_colours_fg(tty, gc);
1.1 nicm 2600:
1.61 nicm 2601: /*
2602: * Set the background colour. This must come after the foreground as
2603: * tty_colour_fg() can call tty_reset().
2604: */
1.310 nicm 2605: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2606: tty_colours_bg(tty, gc);
1.328 nicm 2607:
1.399 nicm 2608: /* Set the underscore colour. */
1.328 nicm 2609: if (gc->us != tc->us)
2610: tty_colours_us(tty, gc);
1.1 nicm 2611: }
2612:
1.219 nicm 2613: static void
1.399 nicm 2614: tty_check_fg(struct tty *tty, struct colour_palette *palette,
2615: struct grid_cell *gc)
1.85 nicm 2616: {
1.204 nicm 2617: u_char r, g, b;
2618: u_int colours;
1.223 nicm 2619: int c;
1.85 nicm 2620:
1.288 nicm 2621: /*
2622: * Perform substitution if this pane has a palette. If the bright
2623: * attribute is set, use the bright entry in the palette by changing to
2624: * the aixterm colour.
2625: */
2626: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2627: c = gc->fg;
1.289 nicm 2628: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2629: c += 90;
1.399 nicm 2630: if ((c = colour_palette_get(palette, c)) != -1)
1.288 nicm 2631: gc->fg = c;
2632: }
1.219 nicm 2633:
1.199 nicm 2634: /* Is this a 24-bit colour? */
1.204 nicm 2635: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2636: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2637: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2638: return;
1.341 nicm 2639: colour_split_rgb(gc->fg, &r, &g, &b);
2640: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2641: }
1.224 nicm 2642:
2643: /* How many colours does this terminal have? */
1.359 nicm 2644: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2645: colours = 256;
2646: else
2647: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2648:
1.85 nicm 2649: /* Is this a 256-colour colour? */
1.204 nicm 2650: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2651: /* And not a 256 colour mode? */
1.387 nicm 2652: if (colours < 256) {
1.85 nicm 2653: gc->fg = colour_256to16(gc->fg);
2654: if (gc->fg & 8) {
2655: gc->fg &= 7;
1.175 nicm 2656: if (colours >= 16)
2657: gc->fg += 90;
1.332 nicm 2658: }
1.85 nicm 2659: }
2660: return;
2661: }
2662:
2663: /* Is this an aixterm colour? */
2664: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2665: gc->fg -= 90;
2666: gc->attr |= GRID_ATTR_BRIGHT;
2667: }
2668: }
2669:
1.219 nicm 2670: static void
1.399 nicm 2671: tty_check_bg(struct tty *tty, struct colour_palette *palette,
2672: struct grid_cell *gc)
1.85 nicm 2673: {
1.204 nicm 2674: u_char r, g, b;
2675: u_int colours;
1.223 nicm 2676: int c;
1.85 nicm 2677:
1.288 nicm 2678: /* Perform substitution if this pane has a palette. */
2679: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2680: if ((c = colour_palette_get(palette, gc->bg)) != -1)
1.288 nicm 2681: gc->bg = c;
2682: }
1.219 nicm 2683:
1.199 nicm 2684: /* Is this a 24-bit colour? */
1.204 nicm 2685: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2686: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2687: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2688: return;
1.341 nicm 2689: colour_split_rgb(gc->bg, &r, &g, &b);
2690: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2691: }
1.224 nicm 2692:
2693: /* How many colours does this terminal have? */
1.359 nicm 2694: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2695: colours = 256;
2696: else
2697: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2698:
1.85 nicm 2699: /* Is this a 256-colour colour? */
1.204 nicm 2700: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2701: /*
2702: * And not a 256 colour mode? Translate to 16-colour
2703: * palette. Bold background doesn't exist portably, so just
2704: * discard the bold bit if set.
2705: */
1.387 nicm 2706: if (colours < 256) {
1.85 nicm 2707: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2708: if (gc->bg & 8) {
1.85 nicm 2709: gc->bg &= 7;
1.175 nicm 2710: if (colours >= 16)
1.322 nicm 2711: gc->bg += 90;
1.175 nicm 2712: }
1.85 nicm 2713: }
2714: return;
2715: }
2716:
2717: /* Is this an aixterm colour? */
1.175 nicm 2718: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2719: gc->bg -= 90;
2720: }
2721:
1.207 nicm 2722: static void
1.399 nicm 2723: tty_check_us(__unused struct tty *tty, struct colour_palette *palette,
2724: struct grid_cell *gc)
1.328 nicm 2725: {
2726: int c;
2727:
2728: /* Perform substitution if this pane has a palette. */
2729: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2730: if ((c = colour_palette_get(palette, gc->us)) != -1)
1.328 nicm 2731: gc->us = c;
2732: }
2733:
2734: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2735: if (gc->us & COLOUR_FLAG_256)
2736: gc->us = colour_256toRGB (gc->us);
2737: }
2738:
2739: static void
1.85 nicm 2740: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2741: {
1.61 nicm 2742: struct grid_cell *tc = &tty->cell;
1.79 nicm 2743: char s[32];
1.1 nicm 2744:
1.204 nicm 2745: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2746: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2747: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.385 nicm 2748: goto save;
1.199 nicm 2749: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2750: return;
1.1 nicm 2751: }
2752:
1.79 nicm 2753: /* Is this an aixterm bright colour? */
1.204 nicm 2754: if (gc->fg >= 90 && gc->fg <= 97) {
1.359 nicm 2755: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2756: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2757: tty_puts(tty, s);
2758: } else
2759: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.385 nicm 2760: goto save;
1.79 nicm 2761: }
2762:
1.61 nicm 2763: /* Otherwise set the foreground colour. */
1.204 nicm 2764: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2765:
1.385 nicm 2766: save:
1.61 nicm 2767: /* Save the new values in the terminal current cell. */
1.204 nicm 2768: tc->fg = gc->fg;
1.1 nicm 2769: }
2770:
1.207 nicm 2771: static void
1.73 nicm 2772: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2773: {
1.61 nicm 2774: struct grid_cell *tc = &tty->cell;
1.79 nicm 2775: char s[32];
1.1 nicm 2776:
1.204 nicm 2777: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2778: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2779: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.385 nicm 2780: goto save;
1.199 nicm 2781: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2782: return;
1.79 nicm 2783: }
2784:
2785: /* Is this an aixterm bright colour? */
1.204 nicm 2786: if (gc->bg >= 90 && gc->bg <= 97) {
1.359 nicm 2787: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2788: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2789: tty_puts(tty, s);
2790: } else
2791: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.385 nicm 2792: goto save;
1.1 nicm 2793: }
2794:
1.61 nicm 2795: /* Otherwise set the background colour. */
1.204 nicm 2796: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2797:
1.385 nicm 2798: save:
1.61 nicm 2799: /* Save the new values in the terminal current cell. */
1.204 nicm 2800: tc->bg = gc->bg;
1.328 nicm 2801: }
2802:
2803: static void
2804: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2805: {
2806: struct grid_cell *tc = &tty->cell;
2807: u_int c;
2808: u_char r, g, b;
2809:
1.385 nicm 2810: /* Clear underline colour. */
2811: if (gc->us == 0) {
2812: tty_putcode(tty, TTYC_OL);
2813: goto save;
2814: }
2815:
1.328 nicm 2816: /* Must be an RGB colour - this should never happen. */
2817: if (~gc->us & COLOUR_FLAG_RGB)
2818: return;
2819:
2820: /*
1.385 nicm 2821: * Setulc and setal follows the ncurses(3) one argument "direct colour"
1.328 nicm 2822: * capability format. Calculate the colour value.
2823: */
2824: colour_split_rgb(gc->us, &r, &g, &b);
2825: c = (65536 * r) + (256 * g) + b;
2826:
1.385 nicm 2827: /*
2828: * Write the colour. Only use setal if the RGB flag is set because the
2829: * non-RGB version may be wrong.
2830: */
2831: if (tty_term_has(tty->term, TTYC_SETULC))
2832: tty_putcode1(tty, TTYC_SETULC, c);
2833: else if (tty_term_has(tty->term, TTYC_SETAL) &&
2834: tty_term_has(tty->term, TTYC_RGB))
2835: tty_putcode1(tty, TTYC_SETAL, c);
1.328 nicm 2836:
1.385 nicm 2837: save:
1.328 nicm 2838: /* Save the new values in the terminal current cell. */
2839: tc->us = gc->us;
1.61 nicm 2840: }
2841:
1.207 nicm 2842: static int
1.204 nicm 2843: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2844: {
1.204 nicm 2845: u_char r, g, b;
1.61 nicm 2846:
1.204 nicm 2847: if (colour & COLOUR_FLAG_256) {
1.359 nicm 2848: if (*type == '3' && tty_term_has(tty->term, TTYC_SETAF))
2849: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2850: else if (tty_term_has(tty->term, TTYC_SETAB))
2851: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2852: return (0);
1.204 nicm 2853: }
2854:
2855: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2856: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.359 nicm 2857: if (*type == '3' && tty_term_has(tty->term, TTYC_SETRGBF))
1.286 nicm 2858: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
1.359 nicm 2859: else if (tty_term_has(tty->term, TTYC_SETRGBB))
1.286 nicm 2860: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
1.165 nicm 2861: return (0);
2862: }
1.61 nicm 2863:
1.165 nicm 2864: return (-1);
1.176 nicm 2865: }
2866:
1.207 nicm 2867: static void
1.371 nicm 2868: tty_window_default_style(struct grid_cell *gc, struct window_pane *wp)
2869: {
2870: memcpy(gc, &grid_default_cell, sizeof *gc);
1.399 nicm 2871: gc->fg = wp->palette.fg;
2872: gc->bg = wp->palette.bg;
1.371 nicm 2873: }
2874:
1.373 nicm 2875: void
1.317 nicm 2876: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2877: {
1.400 nicm 2878: struct options *oo = wp->options;
2879: struct format_tree *ft;
1.373 nicm 2880:
2881: memcpy(gc, &grid_default_cell, sizeof *gc);
1.326 nicm 2882:
2883: if (wp->flags & PANE_STYLECHANGED) {
1.400 nicm 2884: log_debug("%%%u: style changed", wp->id);
1.326 nicm 2885: wp->flags &= ~PANE_STYLECHANGED;
1.371 nicm 2886:
1.400 nicm 2887: ft = format_create(NULL, NULL, FORMAT_PANE|wp->id,
2888: FORMAT_NOJOBS);
2889: format_defaults(ft, NULL, NULL, NULL, wp);
1.371 nicm 2890: tty_window_default_style(&wp->cached_active_gc, wp);
1.400 nicm 2891: style_add(&wp->cached_active_gc, oo, "window-active-style", ft);
1.371 nicm 2892: tty_window_default_style(&wp->cached_gc, wp);
1.400 nicm 2893: style_add(&wp->cached_gc, oo, "window-style", ft);
2894: format_free(ft);
1.203 nicm 2895: }
1.176 nicm 2896:
1.204 nicm 2897: if (gc->fg == 8) {
1.370 nicm 2898: if (wp == wp->window->active && wp->cached_active_gc.fg != 8)
2899: gc->fg = wp->cached_active_gc.fg;
1.204 nicm 2900: else
1.370 nicm 2901: gc->fg = wp->cached_gc.fg;
1.176 nicm 2902: }
2903:
1.204 nicm 2904: if (gc->bg == 8) {
1.370 nicm 2905: if (wp == wp->window->active && wp->cached_active_gc.bg != 8)
2906: gc->bg = wp->cached_active_gc.bg;
1.204 nicm 2907: else
1.370 nicm 2908: gc->bg = wp->cached_gc.bg;
1.176 nicm 2909: }
1.210 nicm 2910: }
2911:
2912: static void
1.373 nicm 2913: tty_default_attributes(struct tty *tty, const struct grid_cell *defaults,
1.399 nicm 2914: struct colour_palette *palette, u_int bg)
1.210 nicm 2915: {
1.373 nicm 2916: struct grid_cell gc;
1.210 nicm 2917:
2918: memcpy(&gc, &grid_default_cell, sizeof gc);
2919: gc.bg = bg;
1.373 nicm 2920: tty_attributes(tty, &gc, defaults, palette);
1.1 nicm 2921: }
1.416 nicm 2922:
2923: static void
1.417 ! nicm 2924: tty_clipboard_query_callback(__unused int fd, __unused short events, void *data)
1.416 nicm 2925: {
2926: struct tty *tty = data;
1.417 ! nicm 2927: struct client *c = tty->client;
! 2928:
! 2929: c->flags &= ~CLIENT_CLIPBOARDBUFFER;
! 2930: free(c->clipboard_panes);
! 2931: c->clipboard_panes = NULL;
! 2932: c->clipboard_npanes = 0;
1.416 nicm 2933:
2934: tty->flags &= ~TTY_OSC52QUERY;
2935: }
2936:
2937: void
1.417 ! nicm 2938: tty_clipboard_query(struct tty *tty)
1.416 nicm 2939: {
2940: struct timeval tv = { .tv_sec = TTY_QUERY_TIMEOUT };
2941:
2942: if ((~tty->flags & TTY_STARTED) || (tty->flags & TTY_OSC52QUERY))
2943: return;
2944: tty_putcode_ptr2(tty, TTYC_MS, "", "?");
1.417 ! nicm 2945:
1.416 nicm 2946: tty->flags |= TTY_OSC52QUERY;
1.417 ! nicm 2947: evtimer_set(&tty->clipboard_timer, tty_clipboard_query_callback, tty);
! 2948: evtimer_add(&tty->clipboard_timer, &tv);
1.416 nicm 2949: }
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