Annotation of src/usr.bin/tmux/tty.c, Revision 1.341
1.341 ! nicm 1: /* $OpenBSD: tty.c,v 1.340 2020/01/13 11:59:21 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:
1.207 nicm 37: static int tty_client_ready(struct client *, struct window_pane *);
1.201 nicm 38:
1.207 nicm 39: static void tty_set_italics(struct tty *);
40: static int tty_try_colour(struct tty *, int, const char *);
1.208 nicm 41: static void tty_force_cursor_colour(struct tty *, const char *);
42: static void tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int,
43: u_int);
1.253 nicm 44: static void tty_cursor_pane_unless_wrap(struct tty *,
45: const struct tty_ctx *, u_int, u_int);
1.242 nicm 46: static void tty_invalidate(struct tty *);
1.207 nicm 47: static void tty_colours(struct tty *, const struct grid_cell *);
1.317 nicm 48: static void tty_check_fg(struct tty *, struct window_pane *,
1.219 nicm 49: struct grid_cell *);
1.317 nicm 50: static void tty_check_bg(struct tty *, struct window_pane *,
1.219 nicm 51: struct grid_cell *);
1.328 nicm 52: static void tty_check_us(struct tty *, struct window_pane *,
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 *);
1.317 nicm 64: static int tty_fake_bce(const struct tty *, struct window_pane *, u_int);
1.207 nicm 65: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
66: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
67: enum tty_code_code, u_int);
68: static void tty_repeat_space(struct tty *, u_int);
1.309 nicm 69: static void tty_draw_pane(struct tty *, const struct tty_ctx *, u_int);
1.207 nicm 70: static void tty_cell(struct tty *, const struct grid_cell *,
1.317 nicm 71: struct window_pane *);
72: static void tty_default_colours(struct grid_cell *, struct window_pane *);
73: static void tty_default_attributes(struct tty *, struct window_pane *,
1.210 nicm 74: u_int);
1.1 nicm 75:
1.212 nicm 76: #define tty_use_margin(tty) \
1.337 nicm 77: ((tty->term->flags|tty->term_flags) & TERM_DECSLRM)
1.90 nicm 78:
1.264 nicm 79: #define tty_pane_full_width(tty, ctx) \
1.132 nicm 80: ((ctx)->xoff == 0 && screen_size_x((ctx)->wp->screen) >= (tty)->sx)
81:
1.266 nicm 82: #define TTY_BLOCK_INTERVAL (100000 /* 100 milliseconds */)
83: #define TTY_BLOCK_START(tty) (1 + ((tty)->sx * (tty)->sy) * 8)
84: #define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
85:
1.192 nicm 86: void
87: tty_create_log(void)
88: {
89: char name[64];
90:
91: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
92:
93: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
94: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
95: fatal("fcntl failed");
96: }
97:
1.185 nicm 98: int
1.136 nicm 99: tty_init(struct tty *tty, struct client *c, int fd, char *term)
1.1 nicm 100: {
1.185 nicm 101: if (!isatty(fd))
102: return (-1);
103:
1.30 nicm 104: memset(tty, 0, sizeof *tty);
1.22 nicm 105:
1.9 nicm 106: if (term == NULL || *term == '\0')
1.220 nicm 107: tty->term_name = xstrdup("unknown");
1.1 nicm 108: else
1.220 nicm 109: tty->term_name = xstrdup(term);
1.258 nicm 110:
1.30 nicm 111: tty->fd = fd;
1.136 nicm 112: tty->client = c;
1.30 nicm 113:
1.108 nicm 114: tty->cstyle = 0;
1.107 nicm 115: tty->ccolour = xstrdup("");
1.30 nicm 116:
1.1 nicm 117: tty->flags = 0;
118: tty->term_flags = 0;
1.185 nicm 119:
120: return (0);
1.31 nicm 121: }
122:
1.287 nicm 123: void
1.31 nicm 124: tty_resize(struct tty *tty)
125: {
1.258 nicm 126: struct client *c = tty->client;
127: struct winsize ws;
1.334 nicm 128: u_int sx, sy, xpixel, ypixel;
1.31 nicm 129:
130: if (ioctl(tty->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 131: sx = ws.ws_col;
1.334 nicm 132: if (sx == 0) {
1.88 nicm 133: sx = 80;
1.334 nicm 134: xpixel = 0;
135: } else
136: xpixel = ws.ws_xpixel / sx;
1.88 nicm 137: sy = ws.ws_row;
1.334 nicm 138: if (sy == 0) {
1.88 nicm 139: sy = 24;
1.334 nicm 140: ypixel = 0;
141: } else
142: ypixel = ws.ws_ypixel / sy;
1.88 nicm 143: } else {
144: sx = 80;
145: sy = 24;
1.334 nicm 146: xpixel = 0;
147: ypixel = 0;
1.31 nicm 148: }
1.334 nicm 149: log_debug("%s: %s now %ux%u (%ux%u)", __func__, c->name, sx, sy,
150: xpixel, ypixel);
151: tty_set_size(tty, sx, sy, xpixel, ypixel);
1.242 nicm 152: tty_invalidate(tty);
1.114 nicm 153: }
154:
1.287 nicm 155: void
1.334 nicm 156: tty_set_size(struct tty *tty, u_int sx, u_int sy, u_int xpixel, u_int ypixel)
1.212 nicm 157: {
1.114 nicm 158: tty->sx = sx;
159: tty->sy = sy;
1.334 nicm 160: tty->xpixel = xpixel;
161: tty->ypixel = ypixel;
1.1 nicm 162: }
163:
1.244 nicm 164: static void
165: tty_read_callback(__unused int fd, __unused short events, void *data)
166: {
167: struct tty *tty = data;
1.258 nicm 168: struct client *c = tty->client;
1.244 nicm 169: size_t size = EVBUFFER_LENGTH(tty->in);
170: int nread;
171:
172: nread = evbuffer_read(tty->in, tty->fd, -1);
1.295 nicm 173: if (nread == 0 || nread == -1) {
1.290 nicm 174: event_del(&tty->event_in);
1.295 nicm 175: server_client_lost(tty->client);
1.244 nicm 176: return;
1.290 nicm 177: }
1.258 nicm 178: log_debug("%s: read %d bytes (already %zu)", c->name, nread, size);
1.244 nicm 179:
180: while (tty_keys_next(tty))
181: ;
182: }
183:
184: static void
1.266 nicm 185: tty_timer_callback(__unused int fd, __unused short events, void *data)
186: {
187: struct tty *tty = data;
188: struct client *c = tty->client;
189: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
190:
191: log_debug("%s: %zu discarded", c->name, tty->discarded);
192:
1.305 nicm 193: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.266 nicm 194: c->discarded += tty->discarded;
195:
196: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
197: tty->flags &= ~TTY_BLOCK;
198: tty_invalidate(tty);
199: return;
200: }
201: tty->discarded = 0;
202: evtimer_add(&tty->timer, &tv);
203: }
204:
205: static int
206: tty_block_maybe(struct tty *tty)
207: {
208: struct client *c = tty->client;
209: size_t size = EVBUFFER_LENGTH(tty->out);
210: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
211:
212: if (size < TTY_BLOCK_START(tty))
213: return (0);
214:
215: if (tty->flags & TTY_BLOCK)
216: return (1);
217: tty->flags |= TTY_BLOCK;
218:
219: log_debug("%s: can't keep up, %zu discarded", c->name, size);
220:
221: evbuffer_drain(tty->out, size);
222: c->discarded += size;
223:
224: tty->discarded = 0;
225: evtimer_add(&tty->timer, &tv);
226: return (1);
227: }
228:
229: static void
1.244 nicm 230: tty_write_callback(__unused int fd, __unused short events, void *data)
231: {
1.246 nicm 232: struct tty *tty = data;
1.258 nicm 233: struct client *c = tty->client;
1.246 nicm 234: size_t size = EVBUFFER_LENGTH(tty->out);
235: int nwrite;
1.244 nicm 236:
237: nwrite = evbuffer_write(tty->out, tty->fd);
238: if (nwrite == -1)
239: return;
1.258 nicm 240: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 241:
1.270 nicm 242: if (c->redraw > 0) {
243: if ((size_t)nwrite >= c->redraw)
244: c->redraw = 0;
245: else
246: c->redraw -= nwrite;
247: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
248: c->redraw);
249: } else if (tty_block_maybe(tty))
1.266 nicm 250: return;
251:
1.247 nicm 252: if (EVBUFFER_LENGTH(tty->out) != 0)
253: event_add(&tty->event_out, NULL);
1.244 nicm 254: }
255:
1.1 nicm 256: int
1.166 nicm 257: tty_open(struct tty *tty, char **cause)
1.1 nicm 258: {
1.220 nicm 259: tty->term = tty_term_find(tty->term_name, tty->fd, cause);
1.21 nicm 260: if (tty->term == NULL) {
261: tty_close(tty);
262: return (-1);
263: }
264: tty->flags |= TTY_OPENED;
1.1 nicm 265:
1.266 nicm 266: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 267:
268: event_set(&tty->event_in, tty->fd, EV_PERSIST|EV_READ,
269: tty_read_callback, tty);
270: tty->in = evbuffer_new();
1.311 nicm 271: if (tty->in == NULL)
272: fatal("out of memory");
1.1 nicm 273:
1.244 nicm 274: event_set(&tty->event_out, tty->fd, EV_WRITE, tty_write_callback, tty);
275: tty->out = evbuffer_new();
1.311 nicm 276: if (tty->out == NULL)
277: fatal("out of memory");
1.1 nicm 278:
1.266 nicm 279: evtimer_set(&tty->timer, tty_timer_callback, tty);
280:
1.1 nicm 281: tty_start_tty(tty);
282:
1.148 nicm 283: tty_keys_build(tty);
1.1 nicm 284:
285: return (0);
286: }
287:
1.340 nicm 288: static void
289: tty_start_timer_callback(__unused int fd, __unused short events, void *data)
290: {
291: struct tty *tty = data;
292: struct client *c = tty->client;
293:
294: log_debug("%s: start timer fired", c->name);
295: tty->flags |= (TTY_HAVEDA|TTY_HAVEDSR);
296: }
297:
1.244 nicm 298: void
299: tty_start_tty(struct tty *tty)
1.1 nicm 300: {
1.285 nicm 301: struct client *c = tty->client;
302: struct termios tio;
1.340 nicm 303: struct timeval tv = { .tv_sec = 1 };
1.33 nicm 304:
1.244 nicm 305: if (tty->fd != -1 && tcgetattr(tty->fd, &tty->tio) == 0) {
306: setblocking(tty->fd, 0);
307: event_add(&tty->event_in, NULL);
308:
309: memcpy(&tio, &tty->tio, sizeof tio);
310: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
311: tio.c_iflag |= IGNBRK;
312: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
313: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
314: ECHOPRT|ECHOKE|ISIG);
315: tio.c_cc[VMIN] = 1;
316: tio.c_cc[VTIME] = 0;
317: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
318: tcflush(tty->fd, TCIOFLUSH);
319: }
1.1 nicm 320:
1.10 nicm 321: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 322:
1.252 nicm 323: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 324: tty_putcode(tty, TTYC_CLEAR);
325:
326: if (tty_acs_needed(tty)) {
327: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 328: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 329: } else
330: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 331:
332: tty_putcode(tty, TTYC_CNORM);
333: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 334: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.121 nicm 335:
1.189 nicm 336: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 337: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 338: tty->flags |= TTY_FOCUS;
339: tty_puts(tty, "\033[?1004h");
340: }
1.339 nicm 341: tty_puts(tty, "\033[c\033[1337n"); /* DA and DSR */
1.340 nicm 342:
1.339 nicm 343: } else
344: tty->flags |= (TTY_HAVEDA|TTY_HAVEDSR);
1.1 nicm 345:
1.340 nicm 346: evtimer_set(&tty->start_timer, tty_start_timer_callback, tty);
347: evtimer_add(&tty->start_timer, &tv);
348:
1.20 nicm 349: tty->flags |= TTY_STARTED;
1.242 nicm 350: tty_invalidate(tty);
1.107 nicm 351:
1.336 nicm 352: if (*tty->ccolour != '\0')
353: tty_force_cursor_colour(tty, "");
1.177 nicm 354:
355: tty->mouse_drag_flag = 0;
356: tty->mouse_drag_update = NULL;
357: tty->mouse_drag_release = NULL;
1.128 nicm 358: }
359:
360: void
1.1 nicm 361: tty_stop_tty(struct tty *tty)
362: {
363: struct winsize ws;
364:
1.20 nicm 365: if (!(tty->flags & TTY_STARTED))
366: return;
367: tty->flags &= ~TTY_STARTED;
1.340 nicm 368:
369: evtimer_del(&tty->start_timer);
1.20 nicm 370:
1.266 nicm 371: event_del(&tty->timer);
372: tty->flags &= ~TTY_BLOCK;
373:
1.244 nicm 374: event_del(&tty->event_in);
375: event_del(&tty->event_out);
1.66 nicm 376:
1.1 nicm 377: /*
378: * Be flexible about error handling and try not kill the server just
379: * because the fd is invalid. Things like ssh -t can easily leave us
380: * with a dead tty.
381: */
382: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
383: return;
384: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
385: return;
386:
387: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 388: if (tty_acs_needed(tty))
1.90 nicm 389: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 390: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
391: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
392: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 393: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
394: if (tty_term_has(tty->term, TTYC_SE))
395: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 396: else
1.160 nicm 397: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 398: }
1.173 nicm 399: if (tty->mode & MODE_BRACKETPASTE)
400: tty_raw(tty, "\033[?2004l");
1.336 nicm 401: if (*tty->ccolour != '\0')
402: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 403:
404: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
405: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 406: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.151 nicm 407:
1.189 nicm 408: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 409: if (tty->flags & TTY_FOCUS) {
410: tty->flags &= ~TTY_FOCUS;
1.172 nicm 411: tty_raw(tty, "\033[?1004l");
1.162 nicm 412: }
413: }
1.10 nicm 414:
1.212 nicm 415: if (tty_use_margin(tty))
416: tty_raw(tty, "\033[?69l"); /* DECLRMM */
1.10 nicm 417: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 418:
419: setblocking(tty->fd, 1);
1.1 nicm 420: }
421:
422: void
1.20 nicm 423: tty_close(struct tty *tty)
1.1 nicm 424: {
1.123 nicm 425: if (event_initialized(&tty->key_timer))
426: evtimer_del(&tty->key_timer);
1.20 nicm 427: tty_stop_tty(tty);
1.1 nicm 428:
1.21 nicm 429: if (tty->flags & TTY_OPENED) {
1.244 nicm 430: evbuffer_free(tty->in);
431: event_del(&tty->event_in);
432: evbuffer_free(tty->out);
433: event_del(&tty->event_out);
1.66 nicm 434:
1.21 nicm 435: tty_term_free(tty->term);
436: tty_keys_free(tty);
437:
438: tty->flags &= ~TTY_OPENED;
439: }
1.1 nicm 440:
1.21 nicm 441: if (tty->fd != -1) {
442: close(tty->fd);
443: tty->fd = -1;
444: }
1.1 nicm 445: }
446:
447: void
1.20 nicm 448: tty_free(struct tty *tty)
1.1 nicm 449: {
1.20 nicm 450: tty_close(tty);
1.1 nicm 451:
1.138 nicm 452: free(tty->ccolour);
1.220 nicm 453: free(tty->term_name);
1.1 nicm 454: }
455:
456: void
1.337 nicm 457: tty_set_flags(struct tty *tty, int flags)
1.212 nicm 458: {
1.337 nicm 459: tty->term_flags |= flags;
1.212 nicm 460:
461: if (tty_use_margin(tty))
462: tty_puts(tty, "\033[?69h"); /* DECLRMM */
463: }
464:
465: void
1.1 nicm 466: tty_raw(struct tty *tty, const char *s)
467: {
1.150 nicm 468: ssize_t n, slen;
469: u_int i;
470:
471: slen = strlen(s);
472: for (i = 0; i < 5; i++) {
473: n = write(tty->fd, s, slen);
474: if (n >= 0) {
475: s += n;
476: slen -= n;
477: if (slen == 0)
478: break;
479: } else if (n == -1 && errno != EAGAIN)
480: break;
481: usleep(100);
482: }
1.1 nicm 483: }
484:
485: void
486: tty_putcode(struct tty *tty, enum tty_code_code code)
487: {
488: tty_puts(tty, tty_term_string(tty->term, code));
489: }
490:
491: void
492: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
493: {
494: if (a < 0)
495: return;
496: tty_puts(tty, tty_term_string1(tty->term, code, a));
497: }
498:
499: void
500: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
501: {
502: if (a < 0 || b < 0)
503: return;
504: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
505: }
506:
507: void
1.286 nicm 508: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
509: {
510: if (a < 0 || b < 0 || c < 0)
511: return;
512: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
513: }
514:
515: void
1.107 nicm 516: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
517: {
518: if (a != NULL)
519: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
520: }
521:
522: void
1.167 nicm 523: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
524: const void *b)
1.106 nicm 525: {
526: if (a != NULL && b != NULL)
527: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
528: }
529:
1.243 nicm 530: static void
531: tty_add(struct tty *tty, const char *buf, size_t len)
532: {
1.258 nicm 533: struct client *c = tty->client;
534:
1.266 nicm 535: if (tty->flags & TTY_BLOCK) {
536: tty->discarded += len;
537: return;
538: }
539:
1.244 nicm 540: evbuffer_add(tty->out, buf, len);
1.270 nicm 541: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 542: c->written += len;
1.243 nicm 543:
544: if (tty_log_fd != -1)
545: write(tty_log_fd, buf, len);
1.244 nicm 546: if (tty->flags & TTY_STARTED)
547: event_add(&tty->event_out, NULL);
1.243 nicm 548: }
549:
1.106 nicm 550: void
1.1 nicm 551: tty_puts(struct tty *tty, const char *s)
552: {
1.243 nicm 553: if (*s != '\0')
554: tty_add(tty, s, strlen(s));
1.1 nicm 555: }
556:
557: void
558: tty_putc(struct tty *tty, u_char ch)
559: {
1.90 nicm 560: const char *acs;
1.1 nicm 561:
1.337 nicm 562: if ((tty->term->flags & TERM_NOXENL) &&
1.325 nicm 563: ch >= 0x20 && ch != 0x7f &&
564: tty->cy == tty->sy - 1 &&
565: tty->cx + 1 >= tty->sx)
566: return;
567:
1.90 nicm 568: if (tty->cell.attr & GRID_ATTR_CHARSET) {
569: acs = tty_acs_get(tty, ch);
1.243 nicm 570: if (acs != NULL)
571: tty_add(tty, acs, strlen(acs));
572: else
573: tty_add(tty, &ch, 1);
574: } else
575: tty_add(tty, &ch, 1);
1.1 nicm 576:
577: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 578: if (tty->cx >= tty->sx) {
1.46 nicm 579: tty->cx = 1;
580: if (tty->cy != tty->rlower)
581: tty->cy++;
1.211 nicm 582:
583: /*
584: * On !xenl terminals, force the cursor position to
585: * where we think it should be after a line wrap - this
586: * means it works on sensible terminals as well.
587: */
1.337 nicm 588: if (tty->term->flags & TERM_NOXENL)
1.211 nicm 589: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 590: } else
591: tty->cx++;
592: }
593: }
594:
595: void
1.147 nicm 596: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 597: {
1.337 nicm 598: if ((tty->term->flags & TERM_NOXENL) &&
1.325 nicm 599: tty->cy == tty->sy - 1 &&
600: tty->cx + len >= tty->sx)
601: len = tty->sx - tty->cx - 1;
602:
1.243 nicm 603: tty_add(tty, buf, len);
1.268 nicm 604: if (tty->cx + width > tty->sx) {
605: tty->cx = (tty->cx + width) - tty->sx;
606: if (tty->cx <= tty->sx)
607: tty->cy++;
608: else
609: tty->cx = tty->cy = UINT_MAX;
610: } else
1.254 nicm 611: tty->cx += width;
1.5 nicm 612: }
613:
1.207 nicm 614: static void
1.180 nicm 615: tty_set_italics(struct tty *tty)
616: {
617: const char *s;
618:
619: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 620: s = options_get_string(global_options, "default-terminal");
1.180 nicm 621: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
622: tty_putcode(tty, TTYC_SITM);
623: return;
624: }
625: }
626: tty_putcode(tty, TTYC_SMSO);
627: }
628:
629: void
1.1 nicm 630: tty_set_title(struct tty *tty, const char *title)
631: {
1.105 nicm 632: if (!tty_term_has(tty->term, TTYC_TSL) ||
633: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 634: return;
635:
1.105 nicm 636: tty_putcode(tty, TTYC_TSL);
1.1 nicm 637: tty_puts(tty, title);
1.105 nicm 638: tty_putcode(tty, TTYC_FSL);
1.1 nicm 639: }
640:
1.208 nicm 641: static void
1.107 nicm 642: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
643: {
644: if (*ccolour == '\0')
645: tty_putcode(tty, TTYC_CR);
646: else
1.160 nicm 647: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 648: free(tty->ccolour);
1.107 nicm 649: tty->ccolour = xstrdup(ccolour);
650: }
651:
652: void
653: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 654: {
655: int changed;
656:
1.197 nicm 657: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 658: tty_force_cursor_colour(tty, s->ccolour);
659:
1.1 nicm 660: if (tty->flags & TTY_NOCURSOR)
661: mode &= ~MODE_CURSOR;
662:
663: changed = mode ^ tty->mode;
1.183 nicm 664: if (changed & MODE_BLINKING) {
665: if (tty_term_has(tty->term, TTYC_CVVIS))
666: tty_putcode(tty, TTYC_CVVIS);
667: else
668: tty_putcode(tty, TTYC_CNORM);
669: changed |= MODE_CURSOR;
670: }
671: if (changed & MODE_CURSOR) {
672: if (mode & MODE_CURSOR)
673: tty_putcode(tty, TTYC_CNORM);
674: else
1.1 nicm 675: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 676: }
1.181 nicm 677: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 678: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 679: if (s->cstyle == 0 &&
1.160 nicm 680: tty_term_has(tty->term, TTYC_SE))
681: tty_putcode(tty, TTYC_SE);
1.108 nicm 682: else
1.160 nicm 683: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 684: }
685: tty->cstyle = s->cstyle;
1.1 nicm 686: }
1.195 nicm 687: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 688: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 689: /*
690: * Enable the SGR (1006) extension unconditionally, as
1.221 nicm 691: * it is safe from misinterpretation.
1.153 nicm 692: */
693: tty_puts(tty, "\033[?1006h");
1.225 nicm 694: if (mode & MODE_MOUSE_ALL)
695: tty_puts(tty, "\033[?1003h");
696: else if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 697: tty_puts(tty, "\033[?1002h");
1.98 nicm 698: else if (mode & MODE_MOUSE_STANDARD)
699: tty_puts(tty, "\033[?1000h");
1.86 nicm 700: } else {
1.225 nicm 701: if (tty->mode & MODE_MOUSE_ALL)
702: tty_puts(tty, "\033[?1003l");
703: else if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 704: tty_puts(tty, "\033[?1002l");
1.98 nicm 705: else if (tty->mode & MODE_MOUSE_STANDARD)
706: tty_puts(tty, "\033[?1000l");
1.153 nicm 707: tty_puts(tty, "\033[?1006l");
1.86 nicm 708: }
1.115 nicm 709: }
710: if (changed & MODE_BRACKETPASTE) {
711: if (mode & MODE_BRACKETPASTE)
712: tty_puts(tty, "\033[?2004h");
713: else
714: tty_puts(tty, "\033[?2004l");
1.1 nicm 715: }
716: tty->mode = mode;
717: }
718:
1.207 nicm 719: static void
1.168 nicm 720: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
721: enum tty_code_code code1, u_int n)
1.1 nicm 722: {
723: if (tty_term_has(tty->term, code))
724: tty_putcode1(tty, code, n);
725: else {
726: while (n-- > 0)
727: tty_putcode(tty, code1);
728: }
729: }
730:
1.207 nicm 731: static void
1.133 nicm 732: tty_repeat_space(struct tty *tty, u_int n)
733: {
1.257 nicm 734: static char s[500];
735:
736: if (*s != ' ')
737: memset(s, ' ', sizeof s);
738:
739: while (n > sizeof s) {
740: tty_putn(tty, s, sizeof s, sizeof s);
741: n -= sizeof s;
742: }
743: if (n != 0)
744: tty_putn(tty, s, n, n);
1.304 nicm 745: }
746:
1.309 nicm 747: /* Is this window bigger than the terminal? */
748: int
749: tty_window_bigger(struct tty *tty)
750: {
751: struct client *c = tty->client;
752: struct window *w = c->session->curw->window;
753:
754: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
755: }
756:
757: /* What offset should this window be drawn at? */
758: int
759: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
760: {
761: *ox = tty->oox;
762: *oy = tty->ooy;
763: *sx = tty->osx;
764: *sy = tty->osy;
765:
766: return (tty->oflag);
767: }
768:
769: /* What offset should this window be drawn at? */
770: static int
771: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
772: {
773: struct client *c = tty->client;
774: struct window *w = c->session->curw->window;
775: struct window_pane *wp = w->active;
776: u_int cx, cy, lines;
777:
778: lines = status_line_size(c);
779:
780: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
781: *ox = 0;
782: *oy = 0;
783: *sx = w->sx;
784: *sy = w->sy;
785:
786: c->pan_window = NULL;
787: return (0);
788: }
789:
790: *sx = tty->sx;
791: *sy = tty->sy - lines;
792:
793: if (c->pan_window == w) {
794: if (*sx >= w->sx)
795: c->pan_ox = 0;
796: else if (c->pan_ox + *sx > w->sx)
797: c->pan_ox = w->sx - *sx;
798: *ox = c->pan_ox;
799: if (*sy >= w->sy)
800: c->pan_oy = 0;
801: else if (c->pan_oy + *sy > w->sy)
802: c->pan_oy = w->sy - *sy;
803: *oy = c->pan_oy;
804: return (1);
805: }
806:
807: if (~wp->screen->mode & MODE_CURSOR) {
808: *ox = 0;
809: *oy = 0;
810: } else {
811: cx = wp->xoff + wp->screen->cx;
812: cy = wp->yoff + wp->screen->cy;
813:
814: if (cx < *sx)
815: *ox = 0;
816: else if (cx > w->sx - *sx)
817: *ox = w->sx - *sx;
818: else
819: *ox = cx - *sx / 2;
820:
821: if (cy < *sy)
822: *oy = 0;
823: else if (cy > w->sy - *sy)
824: *oy = w->sy - *sy;
825: else
826: *oy = cy - *sy / 2;
827: }
828:
829: c->pan_window = NULL;
830: return (1);
831: }
832:
833: /* Update stored offsets for a window and redraw if necessary. */
834: void
835: tty_update_window_offset(struct window *w)
836: {
837: struct client *c;
838:
839: TAILQ_FOREACH(c, &clients, entry) {
840: if (c->session != NULL && c->session->curw->window == w)
841: tty_update_client_offset(c);
842: }
843: }
844:
845: /* Update stored offsets for a client and redraw if necessary. */
846: void
847: tty_update_client_offset(struct client *c)
1.304 nicm 848: {
1.309 nicm 849: u_int ox, oy, sx, sy;
1.314 nicm 850:
851: if (~c->flags & CLIENT_TERMINAL)
852: return;
1.304 nicm 853:
1.309 nicm 854: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
855: if (ox == c->tty.oox &&
856: oy == c->tty.ooy &&
857: sx == c->tty.osx &&
858: sy == c->tty.osy)
859: return;
860:
861: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
862: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
863: ox, oy, sx, sy);
864:
865: c->tty.oox = ox;
866: c->tty.ooy = oy;
867: c->tty.osx = sx;
868: c->tty.osy = sy;
869:
870: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 871: }
872:
1.1 nicm 873: /*
1.119 nicm 874: * Is the region large enough to be worth redrawing once later rather than
875: * probably several times now? Currently yes if it is more than 50% of the
876: * pane.
877: */
1.207 nicm 878: static int
1.194 nicm 879: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 880: {
881: struct window_pane *wp = ctx->wp;
882:
883: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
884: }
885:
886: /*
1.176 nicm 887: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
888: * emulated.
889: */
1.207 nicm 890: static int
1.317 nicm 891: tty_fake_bce(const struct tty *tty, struct window_pane *wp, u_int bg)
1.176 nicm 892: {
893: struct grid_cell gc;
894:
1.210 nicm 895: if (tty_term_flag(tty->term, TTYC_BCE))
896: return (0);
897:
1.176 nicm 898: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 899: if (wp != NULL)
900: tty_default_colours(&gc, wp);
1.176 nicm 901:
1.310 nicm 902: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc.bg))
1.210 nicm 903: return (1);
904: return (0);
1.176 nicm 905: }
906:
907: /*
1.1 nicm 908: * Redraw scroll region using data from screen (already updated). Used when
909: * CSR not supported, or window is a pane that doesn't take up the full
910: * width of the terminal.
911: */
1.207 nicm 912: static void
1.24 nicm 913: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 914: {
1.14 nicm 915: struct window_pane *wp = ctx->wp;
916: struct screen *s = wp->screen;
1.204 nicm 917: u_int i;
1.1 nicm 918:
919: /*
1.119 nicm 920: * If region is large, schedule a window redraw. In most cases this is
921: * likely to be followed by some more scrolling.
1.1 nicm 922: */
1.119 nicm 923: if (tty_large_region(tty, ctx)) {
1.1 nicm 924: wp->flags |= PANE_REDRAW;
925: return;
926: }
927:
1.14 nicm 928: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
929: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.309 nicm 930: tty_draw_pane(tty, ctx, i);
1.1 nicm 931: } else {
1.14 nicm 932: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.309 nicm 933: tty_draw_pane(tty, ctx, i);
1.1 nicm 934: }
935: }
936:
1.309 nicm 937: /* Is this position visible in the pane? */
938: static int
939: tty_is_visible(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
940: u_int nx, u_int ny)
941: {
942: u_int xoff = ctx->xoff + px, yoff = ctx->yoff + py, lines;
943:
944: if (!ctx->bigger)
945: return (1);
946:
947: if (status_at_line(tty->client) == 0)
948: lines = status_line_size(tty->client);
949: else
950: lines = 0;
951:
952: if (xoff + nx <= ctx->ox || xoff >= ctx->ox + ctx->sx ||
1.320 nicm 953: yoff + ny <= ctx->oy || yoff >= lines + ctx->oy + ctx->sy)
1.309 nicm 954: return (0);
955: return (1);
956: }
957:
958: /* Clamp line position to visible part of pane. */
959: static int
960: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
961: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
962: {
963: struct window_pane *wp = ctx->wp;
964: u_int xoff = wp->xoff + px;
965:
966: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
967: return (0);
968: *ry = ctx->yoff + py - ctx->oy;
969:
970: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
971: /* All visible. */
972: *i = 0;
973: *x = ctx->xoff + px - ctx->ox;
974: *rx = nx;
975: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
976: /* Both left and right not visible. */
977: *i = ctx->ox;
978: *x = 0;
979: *rx = ctx->sx;
980: } else if (xoff < ctx->ox) {
981: /* Left not visible. */
982: *i = ctx->ox - (ctx->xoff + px);
983: *x = 0;
984: *rx = nx - *i;
985: } else {
986: /* Right not visible. */
987: *i = 0;
988: *x = (ctx->xoff + px) - ctx->ox;
989: *rx = ctx->sx - *x;
990: }
991: if (*rx > nx)
992: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
993:
994: return (1);
995: }
996:
997: /* Clear a line. */
1.271 nicm 998: static void
1.317 nicm 999: tty_clear_line(struct tty *tty, struct window_pane *wp, u_int py, u_int px,
1000: u_int nx, u_int bg)
1.271 nicm 1001: {
1.309 nicm 1002: struct client *c = tty->client;
1003:
1004: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1005:
1006: /* Nothing to clear. */
1007: if (nx == 0)
1008: return;
1009:
1010: /* If genuine BCE is available, can try escape sequences. */
1011: if (!tty_fake_bce(tty, wp, bg)) {
1012: /* Off the end of the line, use EL if available. */
1013: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1014: tty_cursor(tty, px, py);
1015: tty_putcode(tty, TTYC_EL);
1016: return;
1017: }
1018:
1019: /* At the start of the line. Use EL1. */
1020: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1021: tty_cursor(tty, px + nx - 1, py);
1022: tty_putcode(tty, TTYC_EL1);
1023: return;
1024: }
1025:
1026: /* Section of line. Use ECH if possible. */
1027: if (tty_term_has(tty->term, TTYC_ECH)) {
1028: tty_cursor(tty, px, py);
1029: tty_putcode1(tty, TTYC_ECH, nx);
1030: return;
1031: }
1032: }
1033:
1034: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 1035: tty_cursor(tty, px, py);
1.271 nicm 1036: tty_repeat_space(tty, nx);
1037: }
1038:
1.309 nicm 1039: /* Clear a line, adjusting to visible part of pane. */
1040: static void
1041: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1042: u_int px, u_int nx, u_int bg)
1043: {
1044: struct client *c = tty->client;
1045: u_int i, x, rx, ry;
1046:
1047: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1048:
1049: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1050: tty_clear_line(tty, ctx->wp, ry, x, rx, bg);
1051: }
1052:
1053: /* Clamp area position to visible part of pane. */
1054: static int
1055: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1056: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1057: u_int *ry)
1058: {
1059: struct window_pane *wp = ctx->wp;
1060: u_int xoff = wp->xoff + px, yoff = wp->yoff + py;
1061:
1062: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1063: return (0);
1064:
1065: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
1066: /* All visible. */
1067: *i = 0;
1068: *x = ctx->xoff + px - ctx->ox;
1069: *rx = nx;
1070: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
1071: /* Both left and right not visible. */
1072: *i = ctx->ox;
1073: *x = 0;
1074: *rx = ctx->sx;
1075: } else if (xoff < ctx->ox) {
1076: /* Left not visible. */
1077: *i = ctx->ox - (ctx->xoff + px);
1078: *x = 0;
1079: *rx = nx - *i;
1080: } else {
1081: /* Right not visible. */
1082: *i = 0;
1083: *x = (ctx->xoff + px) - ctx->ox;
1084: *rx = ctx->sx - *x;
1085: }
1086: if (*rx > nx)
1087: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1088:
1089: if (yoff >= ctx->oy && yoff + ny <= ctx->oy + ctx->sy) {
1090: /* All visible. */
1091: *j = 0;
1092: *y = ctx->yoff + py - ctx->oy;
1093: *ry = ny;
1094: } else if (yoff < ctx->oy && yoff + ny > ctx->oy + ctx->sy) {
1.327 nicm 1095: /* Both top and bottom not visible. */
1.309 nicm 1096: *j = ctx->oy;
1097: *y = 0;
1098: *ry = ctx->sy;
1099: } else if (yoff < ctx->oy) {
1.327 nicm 1100: /* Top not visible. */
1.309 nicm 1101: *j = ctx->oy - (ctx->yoff + py);
1102: *y = 0;
1103: *ry = ny - *j;
1104: } else {
1.327 nicm 1105: /* Bottom not visible. */
1.309 nicm 1106: *j = 0;
1107: *y = (ctx->yoff + py) - ctx->oy;
1108: *ry = ctx->sy - *y;
1109: }
1110: if (*ry > ny)
1111: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1112:
1113: return (1);
1114: }
1115:
1116: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1117: static void
1.317 nicm 1118: tty_clear_area(struct tty *tty, struct window_pane *wp, u_int py, u_int ny,
1119: u_int px, u_int nx, u_int bg)
1.271 nicm 1120: {
1.309 nicm 1121: struct client *c = tty->client;
1122: u_int yy;
1123: char tmp[64];
1.271 nicm 1124:
1.309 nicm 1125: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1126:
1127: /* Nothing to clear. */
1128: if (nx == 0 || ny == 0)
1129: return;
1130:
1131: /* If genuine BCE is available, can try escape sequences. */
1132: if (!tty_fake_bce(tty, wp, bg)) {
1.276 nicm 1133: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1134: if (px == 0 &&
1135: px + nx >= tty->sx &&
1136: py + ny >= tty->sy &&
1137: tty_term_has(tty->term, TTYC_ED)) {
1138: tty_cursor(tty, 0, py);
1139: tty_putcode(tty, TTYC_ED);
1.274 nicm 1140: return;
1141: }
1142:
1143: /*
1.276 nicm 1144: * On VT420 compatible terminals we can use DECFRA if the
1145: * background colour isn't default (because it doesn't work
1146: * after SGR 0).
1.274 nicm 1147: */
1.337 nicm 1148: if (((tty->term->flags|tty->term_flags) & TERM_DECFRA) &&
1149: !COLOUR_DEFAULT(bg)) {
1.274 nicm 1150: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1151: py + 1, px + 1, py + ny, px + nx);
1152: tty_puts(tty, tmp);
1.276 nicm 1153: return;
1154: }
1155:
1.280 nicm 1156: /* Full lines can be scrolled away to clear them. */
1157: if (px == 0 &&
1.281 nicm 1158: px + nx >= tty->sx &&
1.280 nicm 1159: ny > 2 &&
1160: tty_term_has(tty->term, TTYC_CSR) &&
1161: tty_term_has(tty->term, TTYC_INDN)) {
1162: tty_region(tty, py, py + ny - 1);
1163: tty_margin_off(tty);
1.284 nicm 1164: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1165: return;
1166: }
1167:
1.276 nicm 1168: /*
1169: * If margins are supported, can just scroll the area off to
1170: * clear it.
1171: */
1.277 nicm 1172: if (nx > 2 &&
1173: ny > 2 &&
1.280 nicm 1174: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1175: tty_use_margin(tty) &&
1176: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1177: tty_region(tty, py, py + ny - 1);
1178: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1179: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1180: return;
1181: }
1182: }
1183:
1184: /* Couldn't use an escape sequence, loop over the lines. */
1185: for (yy = py; yy < py + ny; yy++)
1186: tty_clear_line(tty, wp, yy, px, nx, bg);
1187: }
1188:
1.309 nicm 1189: /* Clear an area in a pane. */
1190: static void
1191: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1192: u_int ny, u_int px, u_int nx, u_int bg)
1193: {
1194: u_int i, j, x, y, rx, ry;
1195:
1196: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1197: tty_clear_area(tty, ctx->wp, y, ry, x, rx, bg);
1198: }
1199:
1200: static void
1201: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1202: {
1.309 nicm 1203: struct window_pane *wp = ctx->wp;
1204: struct screen *s = wp->screen;
1205: u_int nx = screen_size_x(s), i, x, rx, ry;
1206:
1207: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1208:
1209: if (!ctx->bigger) {
1210: tty_draw_line(tty, wp, s, 0, py, nx, ctx->xoff, ctx->yoff + py);
1211: return;
1212: }
1213: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry))
1214: tty_draw_line(tty, wp, s, i, py, rx, x, ry);
1.176 nicm 1215: }
1216:
1.298 nicm 1217: static const struct grid_cell *
1218: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1219: {
1220: static struct grid_cell new;
1221: u_int n;
1222:
1223: /* Characters less than 0x7f are always fine, no matter what. */
1224: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1225: return (gc);
1226:
1227: /* UTF-8 terminal and a UTF-8 character - fine. */
1228: if (tty->flags & TTY_UTF8)
1229: return (gc);
1230:
1231: /* Replace by the right number of underscores. */
1232: n = gc->data.width;
1233: if (n > UTF8_SIZE)
1234: n = UTF8_SIZE;
1235: memcpy(&new, gc, sizeof new);
1236: new.data.size = n;
1237: memset(new.data.data, '_', n);
1238: return (&new);
1239: }
1240:
1.176 nicm 1241: void
1.317 nicm 1242: tty_draw_line(struct tty *tty, struct window_pane *wp, struct screen *s,
1243: u_int px, u_int py, u_int nx, u_int atx, u_int aty)
1.1 nicm 1244: {
1.297 nicm 1245: struct grid *gd = s->grid;
1.250 nicm 1246: struct grid_cell gc, last;
1.298 nicm 1247: const struct grid_cell *gcp;
1.309 nicm 1248: struct grid_line *gl;
1249: u_int i, j, ux, sx, width;
1.329 nicm 1250: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1251: char buf[512];
1.315 nicm 1252: size_t len;
1.303 nicm 1253: u_int cellsize;
1.1 nicm 1254:
1.309 nicm 1255: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1256: px, py, nx, atx, aty);
1257:
1258: /*
1259: * py is the line in the screen to draw.
1260: * px is the start x and nx is the width to draw.
1261: * atx,aty is the line on the terminal to draw it.
1262: */
1263:
1.259 nicm 1264: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1265: tty->flags |= TTY_NOCURSOR;
1266: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1267:
1.214 nicm 1268: tty_region_off(tty);
1269: tty_margin_off(tty);
1270:
1.273 nicm 1271: /*
1272: * Clamp the width to cellsize - note this is not cellused, because
1273: * there may be empty background cells after it (from BCE).
1274: */
1.1 nicm 1275: sx = screen_size_x(s);
1.309 nicm 1276: if (nx > sx)
1277: nx = sx;
1.303 nicm 1278: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1279: if (sx > cellsize)
1280: sx = cellsize;
1.1 nicm 1281: if (sx > tty->sx)
1282: sx = tty->sx;
1.309 nicm 1283: if (sx > nx)
1284: sx = nx;
1.292 nicm 1285: ux = 0;
1.1 nicm 1286:
1.309 nicm 1287: if (py == 0)
1288: gl = NULL;
1289: else
1290: gl = grid_get_line(gd, gd->hsize + py - 1);
1.268 nicm 1291: if (wp == NULL ||
1.309 nicm 1292: gl == NULL ||
1293: (~gl->flags & GRID_LINE_WRAPPED) ||
1294: atx != 0 ||
1.268 nicm 1295: tty->cx < tty->sx ||
1.309 nicm 1296: nx < tty->sx) {
1297: if (nx < tty->sx &&
1298: atx == 0 &&
1299: px + sx != nx &&
1.268 nicm 1300: tty_term_has(tty->term, TTYC_EL1) &&
1301: !tty_fake_bce(tty, wp, 8)) {
1302: tty_default_attributes(tty, wp, 8);
1.309 nicm 1303: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1304: tty_putcode(tty, TTYC_EL1);
1305: cleared = 1;
1306: }
1.329 nicm 1307: } else {
1.309 nicm 1308: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1309: wrapped = 1;
1310: }
1.250 nicm 1311:
1312: memcpy(&last, &grid_default_cell, sizeof last);
1313: len = 0;
1314: width = 0;
1.46 nicm 1315:
1.1 nicm 1316: for (i = 0; i < sx; i++) {
1.309 nicm 1317: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1318: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1319: if (len != 0 &&
1.298 nicm 1320: ((gcp->attr & GRID_ATTR_CHARSET) ||
1321: gcp->flags != last.flags ||
1322: gcp->attr != last.attr ||
1323: gcp->fg != last.fg ||
1324: gcp->bg != last.bg ||
1.328 nicm 1325: gcp->us != last.us ||
1.315 nicm 1326: ux + width + gcp->data.width > nx ||
1.298 nicm 1327: (sizeof buf) - len < gcp->data.size)) {
1.316 nicm 1328: tty_attributes(tty, &last, wp);
1.315 nicm 1329: if (last.flags & GRID_FLAG_CLEARED) {
1330: log_debug("%s: %zu cleared", __func__, len);
1331: tty_clear_line(tty, wp, aty, atx + ux, width,
1332: last.bg);
1333: } else {
1.329 nicm 1334: if (!wrapped || atx != 0 || ux != 0)
1335: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1336: tty_putn(tty, buf, len, width);
1337: }
1.292 nicm 1338: ux += width;
1.250 nicm 1339:
1340: len = 0;
1341: width = 0;
1.329 nicm 1342: wrapped = 0;
1.250 nicm 1343: }
1344:
1.298 nicm 1345: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1346: screen_select_cell(s, &last, gcp);
1.250 nicm 1347: else
1.299 nicm 1348: memcpy(&last, gcp, sizeof last);
1.309 nicm 1349: if (ux + gcp->data.width > nx) {
1.299 nicm 1350: tty_attributes(tty, &last, wp);
1.315 nicm 1351: tty_cursor(tty, atx + ux, aty);
1.298 nicm 1352: for (j = 0; j < gcp->data.width; j++) {
1.309 nicm 1353: if (ux + j > nx)
1.297 nicm 1354: break;
1355: tty_putc(tty, ' ');
1356: ux++;
1357: }
1.299 nicm 1358: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1359: tty_attributes(tty, &last, wp);
1.315 nicm 1360: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1361: for (j = 0; j < gcp->data.size; j++)
1362: tty_putc(tty, gcp->data.data[j]);
1363: ux += gc.data.width;
1364: } else {
1.298 nicm 1365: memcpy(buf + len, gcp->data.data, gcp->data.size);
1366: len += gcp->data.size;
1367: width += gcp->data.width;
1.250 nicm 1368: }
1369: }
1.315 nicm 1370: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.316 nicm 1371: tty_attributes(tty, &last, wp);
1.315 nicm 1372: if (last.flags & GRID_FLAG_CLEARED) {
1373: log_debug("%s: %zu cleared (end)", __func__, len);
1374: tty_clear_line(tty, wp, aty, atx + ux, width, last.bg);
1375: } else {
1.329 nicm 1376: if (!wrapped || atx != 0 || ux != 0)
1377: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1378: tty_putn(tty, buf, len, width);
1379: }
1.315 nicm 1380: ux += width;
1.1 nicm 1381: }
1382:
1.309 nicm 1383: if (!cleared && ux < nx) {
1.315 nicm 1384: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1385: nx - ux, len);
1.210 nicm 1386: tty_default_attributes(tty, wp, 8);
1.309 nicm 1387: tty_clear_line(tty, wp, aty, atx + ux, nx - ux, 8);
1.35 nicm 1388: }
1.1 nicm 1389:
1.181 nicm 1390: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1391: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1392: }
1393:
1.201 nicm 1394: static int
1.182 nicm 1395: tty_client_ready(struct client *c, struct window_pane *wp)
1396: {
1397: if (c->session == NULL || c->tty.term == NULL)
1398: return (0);
1.305 nicm 1399: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1400: return (0);
1401: if (c->tty.flags & TTY_FREEZE)
1402: return (0);
1403: if (c->session->curw->window != wp->window)
1404: return (0);
1.309 nicm 1405: if (wp->layout_cell == NULL)
1406: return (0);
1.182 nicm 1407: return (1);
1408: }
1409:
1.15 nicm 1410: void
1.182 nicm 1411: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1412: struct tty_ctx *ctx)
1.15 nicm 1413: {
1414: struct window_pane *wp = ctx->wp;
1415: struct client *c;
1416:
1417: if (wp == NULL)
1418: return;
1.309 nicm 1419: if (wp->flags & (PANE_REDRAW|PANE_DROP))
1.15 nicm 1420: return;
1421:
1.178 nicm 1422: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 1423: if (!tty_client_ready(c, wp))
1.15 nicm 1424: continue;
1425:
1.309 nicm 1426: ctx->bigger = tty_window_offset(&c->tty, &ctx->ox, &ctx->oy,
1427: &ctx->sx, &ctx->sy);
1428:
1.139 nicm 1429: ctx->xoff = wp->xoff;
1430: ctx->yoff = wp->yoff;
1.309 nicm 1431:
1.139 nicm 1432: if (status_at_line(c) == 0)
1.309 nicm 1433: ctx->yoff += status_line_size(c);
1.113 nicm 1434:
1.139 nicm 1435: cmdfn(&c->tty, ctx);
1.1 nicm 1436: }
1437: }
1438:
1439: void
1.24 nicm 1440: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1441: {
1.77 nicm 1442: struct window_pane *wp = ctx->wp;
1.1 nicm 1443:
1.309 nicm 1444: if (ctx->bigger ||
1445: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1446: tty_fake_bce(tty, wp, ctx->bg) ||
1447: (!tty_term_has(tty->term, TTYC_ICH) &&
1448: !tty_term_has(tty->term, TTYC_ICH1))) {
1.309 nicm 1449: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1450: return;
1451: }
1452:
1.210 nicm 1453: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1454:
1.77 nicm 1455: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1456:
1.206 nicm 1457: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1458: }
1459:
1460: void
1.24 nicm 1461: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1462: {
1.77 nicm 1463: struct window_pane *wp = ctx->wp;
1.1 nicm 1464:
1.309 nicm 1465: if (ctx->bigger ||
1466: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1467: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 1468: (!tty_term_has(tty->term, TTYC_DCH) &&
1469: !tty_term_has(tty->term, TTYC_DCH1))) {
1.309 nicm 1470: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1471: return;
1472: }
1473:
1.210 nicm 1474: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1475:
1.77 nicm 1476: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1477:
1.206 nicm 1478: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1479: }
1480:
1481: void
1482: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1483: {
1.309 nicm 1484: if (ctx->bigger) {
1485: tty_draw_pane(tty, ctx, ctx->ocy);
1486: return;
1487: }
1488:
1.275 nicm 1489: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.146 nicm 1490:
1491: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1492:
1.210 nicm 1493: if (tty_term_has(tty->term, TTYC_ECH) &&
1.262 nicm 1494: !tty_fake_bce(tty, ctx->wp, 8))
1.146 nicm 1495: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1496: else
1497: tty_repeat_space(tty, ctx->num);
1.1 nicm 1498: }
1499:
1500: void
1.24 nicm 1501: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1502: {
1.309 nicm 1503: if (ctx->bigger ||
1504: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1505: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 1506: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1507: !tty_term_has(tty->term, TTYC_IL1) ||
1508: ctx->wp->sx == 1 ||
1509: ctx->wp->sy == 1) {
1.14 nicm 1510: tty_redraw_region(tty, ctx);
1.1 nicm 1511: return;
1512: }
1513:
1.210 nicm 1514: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1515:
1.77 nicm 1516: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1517: tty_margin_off(tty);
1.77 nicm 1518: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1519:
1.12 nicm 1520: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1521: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1522: }
1523:
1524: void
1.24 nicm 1525: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1526: {
1.309 nicm 1527: if (ctx->bigger ||
1528: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1529: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 1530: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1531: !tty_term_has(tty->term, TTYC_DL1) ||
1532: ctx->wp->sx == 1 ||
1533: ctx->wp->sy == 1) {
1.14 nicm 1534: tty_redraw_region(tty, ctx);
1.1 nicm 1535: return;
1536: }
1537:
1.210 nicm 1538: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1539:
1.77 nicm 1540: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1541: tty_margin_off(tty);
1.77 nicm 1542: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1543:
1.12 nicm 1544: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1545: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1546: }
1547:
1548: void
1.24 nicm 1549: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1550: {
1.77 nicm 1551: struct window_pane *wp = ctx->wp;
1.309 nicm 1552: u_int nx;
1.1 nicm 1553:
1.210 nicm 1554: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1555:
1.271 nicm 1556: nx = screen_size_x(wp->screen);
1.309 nicm 1557: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, nx, ctx->bg);
1.1 nicm 1558: }
1559:
1560: void
1.24 nicm 1561: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1562: {
1.77 nicm 1563: struct window_pane *wp = ctx->wp;
1.309 nicm 1564: u_int nx;
1.1 nicm 1565:
1.210 nicm 1566: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1567:
1.271 nicm 1568: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1569: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1570: }
1571:
1572: void
1.24 nicm 1573: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1574: {
1.210 nicm 1575: struct window_pane *wp = ctx->wp;
1576:
1577: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1578:
1.309 nicm 1579: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1580: }
1581:
1582: void
1.24 nicm 1583: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1584: {
1.278 nicm 1585: struct window_pane *wp = ctx->wp;
1586:
1.56 nicm 1587: if (ctx->ocy != ctx->orupper)
1588: return;
1589:
1.309 nicm 1590: if (ctx->bigger ||
1.331 nicm 1591: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.278 nicm 1592: tty_fake_bce(tty, wp, 8) ||
1.70 nicm 1593: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1594: (!tty_term_has(tty->term, TTYC_RI) &&
1595: !tty_term_has(tty->term, TTYC_RIN)) ||
1.307 nicm 1596: ctx->wp->sx == 1 ||
1597: ctx->wp->sy == 1) {
1.14 nicm 1598: tty_redraw_region(tty, ctx);
1.1 nicm 1599: return;
1600: }
1601:
1.278 nicm 1602: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1603:
1.56 nicm 1604: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1605: tty_margin_pane(tty, ctx);
1.56 nicm 1606: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1607:
1.331 nicm 1608: if (tty_term_has(tty->term, TTYC_RI))
1609: tty_putcode(tty, TTYC_RI);
1610: else
1611: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1612: }
1613:
1614: void
1.24 nicm 1615: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1616: {
1.77 nicm 1617: struct window_pane *wp = ctx->wp;
1.1 nicm 1618:
1.56 nicm 1619: if (ctx->ocy != ctx->orlower)
1620: return;
1621:
1.309 nicm 1622: if (ctx->bigger ||
1623: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1624: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1625: !tty_term_has(tty->term, TTYC_CSR) ||
1626: wp->sx == 1 ||
1627: wp->sy == 1) {
1.236 nicm 1628: tty_redraw_region(tty, ctx);
1.1 nicm 1629: return;
1630: }
1.52 nicm 1631:
1.278 nicm 1632: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1633:
1.56 nicm 1634: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1635: tty_margin_pane(tty, ctx);
1636:
1637: /*
1.301 nicm 1638: * If we want to wrap a pane while using margins, the cursor needs to
1639: * be exactly on the right of the region. If the cursor is entirely off
1640: * the edge - move it back to the right. Some terminals are funny about
1641: * this and insert extra spaces, so only use the right if margins are
1642: * enabled.
1.212 nicm 1643: */
1.301 nicm 1644: if (ctx->xoff + ctx->ocx > tty->rright) {
1645: if (!tty_use_margin(tty))
1646: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1647: else
1648: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1649: } else
1.212 nicm 1650: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1651:
1.56 nicm 1652: tty_putc(tty, '\n');
1.240 nicm 1653: }
1654:
1655: void
1656: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1657: {
1658: struct window_pane *wp = ctx->wp;
1.284 nicm 1659: u_int i;
1.240 nicm 1660:
1.309 nicm 1661: if (ctx->bigger ||
1662: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1663: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1664: !tty_term_has(tty->term, TTYC_CSR) ||
1665: wp->sx == 1 ||
1666: wp->sy == 1) {
1.240 nicm 1667: tty_redraw_region(tty, ctx);
1668: return;
1669: }
1670:
1.278 nicm 1671: tty_default_attributes(tty, wp, ctx->bg);
1.240 nicm 1672:
1673: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1674: tty_margin_pane(tty, ctx);
1675:
1.284 nicm 1676: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1677: if (!tty_use_margin(tty))
1678: tty_cursor(tty, 0, tty->rlower);
1679: else
1680: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1681: for (i = 0; i < ctx->num; i++)
1.240 nicm 1682: tty_putc(tty, '\n');
1.301 nicm 1683: } else {
1684: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1685: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1686: }
1687: }
1688:
1689: void
1690: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1691: {
1692: struct window_pane *wp = ctx->wp;
1693: u_int i;
1694:
1695: if (ctx->bigger ||
1696: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1697: tty_fake_bce(tty, wp, 8) ||
1698: !tty_term_has(tty->term, TTYC_CSR) ||
1699: (!tty_term_has(tty->term, TTYC_RI) &&
1700: !tty_term_has(tty->term, TTYC_RIN)) ||
1701: wp->sx == 1 ||
1702: wp->sy == 1) {
1703: tty_redraw_region(tty, ctx);
1704: return;
1705: }
1706:
1707: tty_default_attributes(tty, wp, ctx->bg);
1708:
1709: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1710: tty_margin_pane(tty, ctx);
1711: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1712:
1713: if (tty_term_has(tty->term, TTYC_RIN))
1714: tty_putcode1(tty, TTYC_RIN, ctx->num);
1715: else {
1716: for (i = 0; i < ctx->num; i++)
1717: tty_putcode(tty, TTYC_RI);
1.301 nicm 1718: }
1.1 nicm 1719: }
1720:
1721: void
1.24 nicm 1722: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1723: {
1.77 nicm 1724: struct window_pane *wp = ctx->wp;
1.271 nicm 1725: u_int px, py, nx, ny;
1.1 nicm 1726:
1.210 nicm 1727: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1728:
1.271 nicm 1729: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1730: tty_margin_off(tty);
1.39 nicm 1731:
1.309 nicm 1732: px = 0;
1.271 nicm 1733: nx = screen_size_x(wp->screen);
1.309 nicm 1734: py = ctx->ocy + 1;
1.271 nicm 1735: ny = screen_size_y(wp->screen) - ctx->ocy - 1;
1736:
1.309 nicm 1737: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1738:
1.309 nicm 1739: px = ctx->ocx;
1.271 nicm 1740: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1741: py = ctx->ocy;
1.271 nicm 1742:
1.309 nicm 1743: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1744: }
1745:
1746: void
1.24 nicm 1747: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1748: {
1.77 nicm 1749: struct window_pane *wp = ctx->wp;
1.271 nicm 1750: u_int px, py, nx, ny;
1.1 nicm 1751:
1.227 nicm 1752: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1753:
1.271 nicm 1754: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1755: tty_margin_off(tty);
1.39 nicm 1756:
1.309 nicm 1757: px = 0;
1.271 nicm 1758: nx = screen_size_x(wp->screen);
1.309 nicm 1759: py = 0;
1.319 nicm 1760: ny = ctx->ocy;
1.271 nicm 1761:
1.309 nicm 1762: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1763:
1.309 nicm 1764: px = 0;
1.271 nicm 1765: nx = ctx->ocx + 1;
1.309 nicm 1766: py = ctx->ocy;
1.271 nicm 1767:
1.309 nicm 1768: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1769: }
1770:
1771: void
1.24 nicm 1772: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1773: {
1.77 nicm 1774: struct window_pane *wp = ctx->wp;
1.271 nicm 1775: u_int px, py, nx, ny;
1.1 nicm 1776:
1.210 nicm 1777: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1778:
1.271 nicm 1779: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1780: tty_margin_off(tty);
1.39 nicm 1781:
1.309 nicm 1782: px = 0;
1.271 nicm 1783: nx = screen_size_x(wp->screen);
1.309 nicm 1784: py = 0;
1.271 nicm 1785: ny = screen_size_y(wp->screen);
1786:
1.309 nicm 1787: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1788: }
1789:
1790: void
1.24 nicm 1791: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1792: {
1.12 nicm 1793: struct window_pane *wp = ctx->wp;
1794: struct screen *s = wp->screen;
1795: u_int i, j;
1.4 nicm 1796:
1.309 nicm 1797: if (ctx->bigger) {
1798: wp->flags |= PANE_REDRAW;
1799: return;
1800: }
1801:
1.176 nicm 1802: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1803:
1.39 nicm 1804: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1805: tty_margin_off(tty);
1.4 nicm 1806:
1807: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1808: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1809: for (i = 0; i < screen_size_x(s); i++)
1810: tty_putc(tty, 'E');
1.1 nicm 1811: }
1812: }
1813:
1814: void
1.24 nicm 1815: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1816: {
1.309 nicm 1817: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1))
1818: return;
1819:
1820: if (ctx->xoff + ctx->ocx - ctx->ox > tty->sx - 1 &&
1.306 nicm 1821: ctx->ocy == ctx->orlower &&
1822: tty_pane_full_width(tty, ctx))
1823: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1824:
1.306 nicm 1825: tty_margin_off(tty);
1.253 nicm 1826: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1827:
1.237 nicm 1828: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1829: }
1830:
1831: void
1832: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1833: {
1.309 nicm 1834: struct window_pane *wp = ctx->wp;
1835:
1836: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1837: return;
1838:
1839: if (ctx->bigger &&
1840: (ctx->xoff + ctx->ocx < ctx->ox ||
1841: ctx->xoff + ctx->ocx + ctx->num > ctx->ox + ctx->sx)) {
1842: if (!ctx->wrapped ||
1843: !tty_pane_full_width(tty, ctx) ||
1.337 nicm 1844: (tty->term->flags & TERM_NOXENL) ||
1.309 nicm 1845: ctx->xoff + ctx->ocx != 0 ||
1846: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1847: tty->cx < tty->sx ||
1848: tty->cy == tty->rlower)
1849: tty_draw_pane(tty, ctx, ctx->ocy);
1850: else
1851: wp->flags |= PANE_REDRAW;
1852: return;
1853: }
1854:
1.306 nicm 1855: tty_margin_off(tty);
1.253 nicm 1856: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1857:
1858: tty_attributes(tty, ctx->cell, ctx->wp);
1859: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1860: }
1861:
1862: void
1863: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1864: {
1865: char *buf;
1866: size_t off;
1867:
1868: if (!tty_term_has(tty->term, TTYC_MS))
1869: return;
1870:
1871: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1872: buf = xmalloc(off);
1873:
1874: b64_ntop(ctx->ptr, ctx->num, buf, off);
1875: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1876:
1.138 nicm 1877: free(buf);
1.100 nicm 1878: }
1879:
1880: void
1881: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1882: {
1.256 nicm 1883: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1884: tty_invalidate(tty);
1.1 nicm 1885: }
1886:
1.207 nicm 1887: static void
1.317 nicm 1888: tty_cell(struct tty *tty, const struct grid_cell *gc, struct window_pane *wp)
1.1 nicm 1889: {
1.298 nicm 1890: const struct grid_cell *gcp;
1.1 nicm 1891:
1892: /* Skip last character if terminal is stupid. */
1.337 nicm 1893: if ((tty->term->flags & TERM_NOXENL) &&
1.211 nicm 1894: tty->cy == tty->sy - 1 &&
1895: tty->cx == tty->sx - 1)
1.1 nicm 1896: return;
1897:
1898: /* If this is a padding character, do nothing. */
1899: if (gc->flags & GRID_FLAG_PADDING)
1900: return;
1901:
1902: /* Set the attributes. */
1.176 nicm 1903: tty_attributes(tty, gc, wp);
1.1 nicm 1904:
1.147 nicm 1905: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.298 nicm 1906: gcp = tty_check_codeset(tty, gc);
1907: if (gcp->data.size == 1) {
1908: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 1909: return;
1.298 nicm 1910: tty_putc(tty, *gcp->data.data);
1.1 nicm 1911: return;
1912: }
1913:
1.147 nicm 1914: /* Write the data. */
1.298 nicm 1915: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 1916: }
1917:
1918: void
1919: tty_reset(struct tty *tty)
1920: {
1921: struct grid_cell *gc = &tty->cell;
1922:
1.228 nicm 1923: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 1924: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 1925: tty_putcode(tty, TTYC_RMACS);
1926: tty_putcode(tty, TTYC_SGR0);
1927: memcpy(gc, &grid_default_cell, sizeof *gc);
1928: }
1.1 nicm 1929:
1.228 nicm 1930: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1931: tty->last_wp = -1;
1.242 nicm 1932: }
1933:
1934: static void
1935: tty_invalidate(struct tty *tty)
1936: {
1937: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1938:
1939: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1940: tty->last_wp = -1;
1941:
1942: tty->cx = tty->cy = UINT_MAX;
1943:
1944: tty->rupper = tty->rleft = UINT_MAX;
1945: tty->rlower = tty->rright = UINT_MAX;
1946:
1947: if (tty->flags & TTY_STARTED) {
1.330 nicm 1948: if (tty_use_margin(tty))
1949: tty_puts(tty, "\033[?69h"); /* DECLRMM */
1.242 nicm 1950: tty_putcode(tty, TTYC_SGR0);
1951:
1952: tty->mode = ALL_MODES;
1953: tty_update_mode(tty, MODE_CURSOR, NULL);
1954:
1955: tty_cursor(tty, 0, 0);
1956: tty_region_off(tty);
1957: tty_margin_off(tty);
1958: } else
1959: tty->mode = MODE_CURSOR;
1.1 nicm 1960: }
1961:
1.214 nicm 1962: /* Turn off margin. */
1963: void
1964: tty_region_off(struct tty *tty)
1965: {
1966: tty_region(tty, 0, tty->sy - 1);
1967: }
1968:
1.40 nicm 1969: /* Set region inside pane. */
1.208 nicm 1970: static void
1.196 nicm 1971: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1972: u_int rlower)
1.1 nicm 1973: {
1.309 nicm 1974: tty_region(tty, ctx->yoff + rupper - ctx->oy,
1975: ctx->yoff + rlower - ctx->oy);
1.39 nicm 1976: }
1977:
1.40 nicm 1978: /* Set region at absolute position. */
1.214 nicm 1979: static void
1.40 nicm 1980: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1981: {
1982: if (tty->rlower == rlower && tty->rupper == rupper)
1983: return;
1.1 nicm 1984: if (!tty_term_has(tty->term, TTYC_CSR))
1985: return;
1.39 nicm 1986:
1987: tty->rupper = rupper;
1988: tty->rlower = rlower;
1.55 nicm 1989:
1990: /*
1991: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1992: * 0,0 if it is beyond the last column (they do not reset their wrap
1993: * flag so further output causes a line feed). As a workaround, do an
1994: * explicit move to 0 first.
1995: */
1996: if (tty->cx >= tty->sx)
1997: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1998:
1.39 nicm 1999: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2000: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2001: }
2002:
1.214 nicm 2003: /* Turn off margin. */
2004: void
2005: tty_margin_off(struct tty *tty)
2006: {
2007: tty_margin(tty, 0, tty->sx - 1);
2008: }
2009:
1.212 nicm 2010: /* Set margin inside pane. */
2011: static void
2012: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2013: {
1.309 nicm 2014: tty_margin(tty, ctx->xoff - ctx->ox,
2015: ctx->xoff + ctx->wp->sx - 1 - ctx->ox);
1.212 nicm 2016: }
2017:
2018: /* Set margin at absolute position. */
1.214 nicm 2019: static void
1.212 nicm 2020: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2021: {
2022: char s[64];
2023:
2024: if (!tty_use_margin(tty))
2025: return;
2026: if (tty->rleft == rleft && tty->rright == rright)
2027: return;
2028:
1.232 nicm 2029: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2030:
1.212 nicm 2031: tty->rleft = rleft;
2032: tty->rright = rright;
2033:
1.232 nicm 2034: if (rleft == 0 && rright == tty->sx - 1)
2035: snprintf(s, sizeof s, "\033[s");
2036: else
2037: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 2038: tty_puts(tty, s);
1.249 nicm 2039: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2040: }
2041:
2042: /*
2043: * Move the cursor, unless it would wrap itself when the next character is
2044: * printed.
2045: */
2046: static void
2047: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2048: u_int cx, u_int cy)
2049: {
1.268 nicm 2050: if (!ctx->wrapped ||
2051: !tty_pane_full_width(tty, ctx) ||
1.337 nicm 2052: (tty->term->flags & TERM_NOXENL) ||
1.253 nicm 2053: ctx->xoff + cx != 0 ||
2054: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2055: tty->cx < tty->sx ||
2056: tty->cy == tty->rlower)
1.253 nicm 2057: tty_cursor_pane(tty, ctx, cx, cy);
2058: else
2059: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2060: }
2061:
1.42 nicm 2062: /* Move cursor inside pane. */
1.208 nicm 2063: static void
1.41 nicm 2064: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2065: {
1.309 nicm 2066: tty_cursor(tty, ctx->xoff + cx - ctx->ox, ctx->yoff + cy - ctx->oy);
1.41 nicm 2067: }
2068:
1.42 nicm 2069: /* Move cursor to absolute position. */
1.41 nicm 2070: void
2071: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2072: {
1.42 nicm 2073: struct tty_term *term = tty->term;
2074: u_int thisx, thisy;
2075: int change;
1.77 nicm 2076:
1.42 nicm 2077: if (cx > tty->sx - 1)
2078: cx = tty->sx - 1;
2079:
2080: thisx = tty->cx;
2081: thisy = tty->cy;
2082:
2083: /* No change. */
2084: if (cx == thisx && cy == thisy)
2085: return;
2086:
1.43 nicm 2087: /* Very end of the line, just use absolute movement. */
2088: if (thisx > tty->sx - 1)
2089: goto absolute;
2090:
1.42 nicm 2091: /* Move to home position (0, 0). */
2092: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2093: tty_putcode(tty, TTYC_HOME);
2094: goto out;
2095: }
2096:
2097: /* Zero on the next line. */
1.293 nicm 2098: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2099: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2100: tty_putc(tty, '\r');
1.42 nicm 2101: tty_putc(tty, '\n');
2102: goto out;
2103: }
2104:
1.45 nicm 2105: /* Moving column or row. */
1.42 nicm 2106: if (cy == thisy) {
1.45 nicm 2107: /*
2108: * Moving column only, row staying the same.
2109: */
2110:
1.42 nicm 2111: /* To left edge. */
1.294 nicm 2112: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2113: tty_putc(tty, '\r');
2114: goto out;
2115: }
2116:
2117: /* One to the left. */
2118: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2119: tty_putcode(tty, TTYC_CUB1);
2120: goto out;
2121: }
2122:
2123: /* One to the right. */
2124: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2125: tty_putcode(tty, TTYC_CUF1);
2126: goto out;
2127: }
2128:
2129: /* Calculate difference. */
2130: change = thisx - cx; /* +ve left, -ve right */
2131:
2132: /*
2133: * Use HPA if change is larger than absolute, otherwise move
2134: * the cursor with CUB/CUF.
2135: */
1.87 nicm 2136: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2137: tty_putcode1(tty, TTYC_HPA, cx);
2138: goto out;
1.333 nicm 2139: } else if (change > 0 &&
2140: tty_term_has(term, TTYC_CUB) &&
2141: !tty_use_margin(tty)) {
1.202 nicm 2142: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2143: tty_putcode(tty, TTYC_CUB1);
2144: tty_putcode(tty, TTYC_CUB1);
2145: goto out;
2146: }
1.42 nicm 2147: tty_putcode1(tty, TTYC_CUB, change);
2148: goto out;
1.333 nicm 2149: } else if (change < 0 &&
2150: tty_term_has(term, TTYC_CUF) &&
2151: !tty_use_margin(tty)) {
1.42 nicm 2152: tty_putcode1(tty, TTYC_CUF, -change);
2153: goto out;
2154: }
1.45 nicm 2155: } else if (cx == thisx) {
2156: /*
2157: * Moving row only, column staying the same.
2158: */
1.42 nicm 2159:
2160: /* One above. */
1.77 nicm 2161: if (thisy != tty->rupper &&
1.42 nicm 2162: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2163: tty_putcode(tty, TTYC_CUU1);
2164: goto out;
2165: }
2166:
2167: /* One below. */
1.49 nicm 2168: if (thisy != tty->rlower &&
1.42 nicm 2169: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2170: tty_putcode(tty, TTYC_CUD1);
2171: goto out;
2172: }
2173:
2174: /* Calculate difference. */
2175: change = thisy - cy; /* +ve up, -ve down */
2176:
2177: /*
1.77 nicm 2178: * Try to use VPA if change is larger than absolute or if this
2179: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2180: */
1.87 nicm 2181: if ((u_int) abs(change) > cy ||
1.42 nicm 2182: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2183: (change > 0 && cy - change < tty->rupper)) {
2184: if (tty_term_has(term, TTYC_VPA)) {
2185: tty_putcode1(tty, TTYC_VPA, cy);
2186: goto out;
2187: }
1.42 nicm 2188: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2189: tty_putcode1(tty, TTYC_CUU, change);
2190: goto out;
2191: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2192: tty_putcode1(tty, TTYC_CUD, -change);
2193: goto out;
2194: }
2195: }
2196:
1.43 nicm 2197: absolute:
1.42 nicm 2198: /* Absolute movement. */
2199: tty_putcode2(tty, TTYC_CUP, cy, cx);
2200:
2201: out:
2202: tty->cx = cx;
2203: tty->cy = cy;
1.1 nicm 2204: }
2205:
2206: void
1.176 nicm 2207: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.317 nicm 2208: struct window_pane *wp)
1.1 nicm 2209: {
1.63 nicm 2210: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2211: int changed;
1.61 nicm 2212:
1.228 nicm 2213: /* Ignore cell if it is the same as the last one. */
2214: if (wp != NULL &&
2215: (int)wp->id == tty->last_wp &&
1.326 nicm 2216: ~(wp->flags & PANE_STYLECHANGED) &&
1.228 nicm 2217: gc->attr == tty->last_cell.attr &&
2218: gc->fg == tty->last_cell.fg &&
1.328 nicm 2219: gc->bg == tty->last_cell.bg &&
2220: gc->us == tty->last_cell.us)
1.228 nicm 2221: return;
2222: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
2223: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
2224:
2225: /* Copy cell and update default colours. */
1.85 nicm 2226: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 2227: if (wp != NULL)
2228: tty_default_colours(&gc2, wp);
1.63 nicm 2229:
1.18 nicm 2230: /*
2231: * If no setab, try to use the reverse attribute as a best-effort for a
2232: * non-default background. This is a bit of a hack but it doesn't do
2233: * any serious harm and makes a couple of applications happier.
2234: */
2235: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2236: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2237: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2238: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2239: } else {
1.310 nicm 2240: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2241: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2242: }
2243: }
1.1 nicm 2244:
1.85 nicm 2245: /* Fix up the colours if necessary. */
1.219 nicm 2246: tty_check_fg(tty, wp, &gc2);
2247: tty_check_bg(tty, wp, &gc2);
1.328 nicm 2248: tty_check_us(tty, wp, &gc2);
1.85 nicm 2249:
1.328 nicm 2250: /*
2251: * If any bits are being cleared or the underline colour is now default,
2252: * reset everything.
2253: */
2254: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2255: tty_reset(tty);
2256:
2257: /*
2258: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2259: * may add to (NOT remove) the desired attributes.
1.64 nicm 2260: */
1.85 nicm 2261: tty_colours(tty, &gc2);
1.64 nicm 2262:
1.1 nicm 2263: /* Filter out attribute bits already set. */
1.85 nicm 2264: changed = gc2.attr & ~tc->attr;
2265: tc->attr = gc2.attr;
1.1 nicm 2266:
2267: /* Set the attributes. */
2268: if (changed & GRID_ATTR_BRIGHT)
2269: tty_putcode(tty, TTYC_BOLD);
2270: if (changed & GRID_ATTR_DIM)
2271: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2272: if (changed & GRID_ATTR_ITALICS)
2273: tty_set_italics(tty);
1.308 nicm 2274: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2275: if ((changed & GRID_ATTR_UNDERSCORE) ||
2276: !tty_term_has(tty->term, TTYC_SMULX))
2277: tty_putcode(tty, TTYC_SMUL);
2278: else if (changed & GRID_ATTR_UNDERSCORE_2)
2279: tty_putcode1(tty, TTYC_SMULX, 2);
2280: else if (changed & GRID_ATTR_UNDERSCORE_3)
2281: tty_putcode1(tty, TTYC_SMULX, 3);
2282: else if (changed & GRID_ATTR_UNDERSCORE_4)
2283: tty_putcode1(tty, TTYC_SMULX, 4);
2284: else if (changed & GRID_ATTR_UNDERSCORE_5)
2285: tty_putcode1(tty, TTYC_SMULX, 5);
2286: }
1.1 nicm 2287: if (changed & GRID_ATTR_BLINK)
2288: tty_putcode(tty, TTYC_BLINK);
2289: if (changed & GRID_ATTR_REVERSE) {
2290: if (tty_term_has(tty->term, TTYC_REV))
2291: tty_putcode(tty, TTYC_REV);
2292: else if (tty_term_has(tty->term, TTYC_SMSO))
2293: tty_putcode(tty, TTYC_SMSO);
2294: }
2295: if (changed & GRID_ATTR_HIDDEN)
2296: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2297: if (changed & GRID_ATTR_STRIKETHROUGH)
2298: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2299: if (changed & GRID_ATTR_OVERLINE)
2300: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2301: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2302: tty_putcode(tty, TTYC_SMACS);
2303: }
2304:
1.207 nicm 2305: static void
1.85 nicm 2306: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2307: {
1.61 nicm 2308: struct grid_cell *tc = &tty->cell;
1.204 nicm 2309: int have_ax;
1.61 nicm 2310:
2311: /* No changes? Nothing is necessary. */
1.328 nicm 2312: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2313: return;
1.1 nicm 2314:
1.61 nicm 2315: /*
2316: * Is either the default colour? This is handled specially because the
2317: * best solution might be to reset both colours to default, in which
2318: * case if only one is default need to fall onward to set the other
2319: * colour.
2320: */
1.310 nicm 2321: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2322: /*
2323: * If don't have AX but do have op, send sgr0 (op can't
2324: * actually be used because it is sometimes the same as sgr0
2325: * and sometimes isn't). This resets both colours to default.
2326: *
2327: * Otherwise, try to set the default colour only as needed.
2328: */
1.174 nicm 2329: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2330: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2331: tty_reset(tty);
2332: else {
1.310 nicm 2333: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2334: if (have_ax)
2335: tty_puts(tty, "\033[39m");
1.204 nicm 2336: else if (tc->fg != 7)
1.61 nicm 2337: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2338: tc->fg = gc->fg;
1.61 nicm 2339: }
1.310 nicm 2340: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2341: if (have_ax)
1.61 nicm 2342: tty_puts(tty, "\033[49m");
1.204 nicm 2343: else if (tc->bg != 0)
1.61 nicm 2344: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2345: tc->bg = gc->bg;
1.61 nicm 2346: }
2347: }
2348: }
1.1 nicm 2349:
1.61 nicm 2350: /* Set the foreground colour. */
1.310 nicm 2351: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2352: tty_colours_fg(tty, gc);
1.1 nicm 2353:
1.61 nicm 2354: /*
2355: * Set the background colour. This must come after the foreground as
2356: * tty_colour_fg() can call tty_reset().
2357: */
1.310 nicm 2358: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2359: tty_colours_bg(tty, gc);
1.328 nicm 2360:
2361: /* Set the underscore color. */
2362: if (gc->us != tc->us)
2363: tty_colours_us(tty, gc);
1.1 nicm 2364: }
2365:
1.219 nicm 2366: static void
1.317 nicm 2367: tty_check_fg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2368: {
1.204 nicm 2369: u_char r, g, b;
2370: u_int colours;
1.223 nicm 2371: int c;
1.85 nicm 2372:
1.288 nicm 2373: /*
2374: * Perform substitution if this pane has a palette. If the bright
2375: * attribute is set, use the bright entry in the palette by changing to
2376: * the aixterm colour.
2377: */
2378: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2379: c = gc->fg;
1.289 nicm 2380: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2381: c += 90;
2382: if ((c = window_pane_get_palette(wp, c)) != -1)
2383: gc->fg = c;
2384: }
1.219 nicm 2385:
1.199 nicm 2386: /* Is this a 24-bit colour? */
1.204 nicm 2387: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2388: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.341 ! nicm 2389: if ((tty->term->flags|tty->term_flags) & TERM_RGBCOLOURS)
1.200 nicm 2390: return;
1.341 ! nicm 2391: colour_split_rgb(gc->fg, &r, &g, &b);
! 2392: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2393: }
1.224 nicm 2394:
2395: /* How many colours does this terminal have? */
2396: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2397: colours = 256;
2398: else
2399: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2400:
1.85 nicm 2401: /* Is this a 256-colour colour? */
1.204 nicm 2402: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2403: /* And not a 256 colour mode? */
1.224 nicm 2404: if (colours != 256) {
1.85 nicm 2405: gc->fg = colour_256to16(gc->fg);
2406: if (gc->fg & 8) {
2407: gc->fg &= 7;
1.175 nicm 2408: if (colours >= 16)
2409: gc->fg += 90;
1.332 nicm 2410: }
1.85 nicm 2411: }
2412: return;
2413: }
2414:
2415: /* Is this an aixterm colour? */
2416: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2417: gc->fg -= 90;
2418: gc->attr |= GRID_ATTR_BRIGHT;
2419: }
2420: }
2421:
1.219 nicm 2422: static void
1.317 nicm 2423: tty_check_bg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2424: {
1.204 nicm 2425: u_char r, g, b;
2426: u_int colours;
1.223 nicm 2427: int c;
1.85 nicm 2428:
1.288 nicm 2429: /* Perform substitution if this pane has a palette. */
2430: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2431: if ((c = window_pane_get_palette(wp, gc->bg)) != -1)
2432: gc->bg = c;
2433: }
1.219 nicm 2434:
1.199 nicm 2435: /* Is this a 24-bit colour? */
1.204 nicm 2436: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2437: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.341 ! nicm 2438: if ((tty->term->flags|tty->term_flags) & TERM_RGBCOLOURS)
1.200 nicm 2439: return;
1.341 ! nicm 2440: colour_split_rgb(gc->bg, &r, &g, &b);
! 2441: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2442: }
1.224 nicm 2443:
2444: /* How many colours does this terminal have? */
2445: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2446: colours = 256;
2447: else
2448: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2449:
1.85 nicm 2450: /* Is this a 256-colour colour? */
1.204 nicm 2451: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2452: /*
2453: * And not a 256 colour mode? Translate to 16-colour
2454: * palette. Bold background doesn't exist portably, so just
2455: * discard the bold bit if set.
2456: */
1.224 nicm 2457: if (colours != 256) {
1.85 nicm 2458: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2459: if (gc->bg & 8) {
1.85 nicm 2460: gc->bg &= 7;
1.175 nicm 2461: if (colours >= 16)
1.322 nicm 2462: gc->bg += 90;
1.175 nicm 2463: }
1.85 nicm 2464: }
2465: return;
2466: }
2467:
2468: /* Is this an aixterm colour? */
1.175 nicm 2469: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2470: gc->bg -= 90;
2471: }
2472:
1.207 nicm 2473: static void
1.335 nicm 2474: tty_check_us(__unused struct tty *tty, struct window_pane *wp,
2475: struct grid_cell *gc)
1.328 nicm 2476: {
2477: int c;
2478:
2479: /* Perform substitution if this pane has a palette. */
2480: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2481: if ((c = window_pane_get_palette(wp, gc->us)) != -1)
2482: gc->us = c;
2483: }
2484:
2485: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2486: if (gc->us & COLOUR_FLAG_256)
2487: gc->us = colour_256toRGB (gc->us);
2488: }
2489:
2490: static void
1.85 nicm 2491: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2492: {
1.61 nicm 2493: struct grid_cell *tc = &tty->cell;
1.79 nicm 2494: char s[32];
1.1 nicm 2495:
1.204 nicm 2496: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2497: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2498: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 2499: goto save_fg;
1.199 nicm 2500: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2501: return;
1.1 nicm 2502: }
2503:
1.79 nicm 2504: /* Is this an aixterm bright colour? */
1.204 nicm 2505: if (gc->fg >= 90 && gc->fg <= 97) {
1.323 nicm 2506: if (tty->term_flags & TERM_256COLOURS) {
2507: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2508: tty_puts(tty, s);
2509: } else
2510: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.85 nicm 2511: goto save_fg;
1.79 nicm 2512: }
2513:
1.61 nicm 2514: /* Otherwise set the foreground colour. */
1.204 nicm 2515: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2516:
1.77 nicm 2517: save_fg:
1.61 nicm 2518: /* Save the new values in the terminal current cell. */
1.204 nicm 2519: tc->fg = gc->fg;
1.1 nicm 2520: }
2521:
1.207 nicm 2522: static void
1.73 nicm 2523: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2524: {
1.61 nicm 2525: struct grid_cell *tc = &tty->cell;
1.79 nicm 2526: char s[32];
1.1 nicm 2527:
1.204 nicm 2528: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2529: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2530: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 2531: goto save_bg;
1.199 nicm 2532: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2533: return;
1.79 nicm 2534: }
2535:
2536: /* Is this an aixterm bright colour? */
1.204 nicm 2537: if (gc->bg >= 90 && gc->bg <= 97) {
1.323 nicm 2538: if (tty->term_flags & TERM_256COLOURS) {
2539: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2540: tty_puts(tty, s);
2541: } else
2542: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.175 nicm 2543: goto save_bg;
1.1 nicm 2544: }
2545:
1.61 nicm 2546: /* Otherwise set the background colour. */
1.204 nicm 2547: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2548:
2549: save_bg:
2550: /* Save the new values in the terminal current cell. */
1.204 nicm 2551: tc->bg = gc->bg;
1.328 nicm 2552: }
2553:
2554: static void
2555: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2556: {
2557: struct grid_cell *tc = &tty->cell;
2558: u_int c;
2559: u_char r, g, b;
2560:
2561: /* Must be an RGB colour - this should never happen. */
2562: if (~gc->us & COLOUR_FLAG_RGB)
2563: return;
2564:
2565: /*
2566: * Setulc follows the ncurses(3) one argument "direct colour"
2567: * capability format. Calculate the colour value.
2568: */
2569: colour_split_rgb(gc->us, &r, &g, &b);
2570: c = (65536 * r) + (256 * g) + b;
2571:
2572: /* Write the colour. */
2573: tty_putcode1(tty, TTYC_SETULC, c);
2574:
2575: /* Save the new values in the terminal current cell. */
2576: tc->us = gc->us;
1.61 nicm 2577: }
2578:
1.207 nicm 2579: static int
1.204 nicm 2580: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2581: {
1.204 nicm 2582: u_char r, g, b;
1.61 nicm 2583: char s[32];
2584:
1.204 nicm 2585: if (colour & COLOUR_FLAG_256) {
2586: /*
1.300 nicm 2587: * If the user has specified -2 to the client (meaning
2588: * TERM_256COLOURS is set), setaf and setab may not work (or
2589: * they may not want to use them), so send the usual sequence.
2590: *
2591: * Also if RGB is set, setaf and setab do not support the 256
2592: * colour palette so use the sequences directly there too.
1.204 nicm 2593: */
1.300 nicm 2594: if ((tty->term_flags & TERM_256COLOURS) ||
2595: tty_term_has(tty->term, TTYC_RGB))
1.204 nicm 2596: goto fallback_256;
1.189 nicm 2597:
1.204 nicm 2598: /*
2599: * If the terminfo entry has 256 colours and setaf and setab
2600: * exist, assume that they work correctly.
2601: */
2602: if (tty->term->flags & TERM_256COLOURS) {
2603: if (*type == '3') {
2604: if (!tty_term_has(tty->term, TTYC_SETAF))
2605: goto fallback_256;
2606: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2607: } else {
2608: if (!tty_term_has(tty->term, TTYC_SETAB))
2609: goto fallback_256;
2610: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2611: }
2612: return (0);
1.188 nicm 2613: }
1.204 nicm 2614: goto fallback_256;
2615: }
2616:
2617: if (colour & COLOUR_FLAG_RGB) {
1.341 ! nicm 2618: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.286 nicm 2619: if (*type == '3') {
2620: if (!tty_term_has(tty->term, TTYC_SETRGBF))
1.341 ! nicm 2621: goto fallback_rgb;
1.286 nicm 2622: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
2623: } else {
2624: if (!tty_term_has(tty->term, TTYC_SETRGBB))
1.341 ! nicm 2625: goto fallback_rgb;
1.286 nicm 2626: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
2627: }
1.165 nicm 2628: return (0);
2629: }
1.61 nicm 2630:
1.165 nicm 2631: return (-1);
1.188 nicm 2632:
1.204 nicm 2633: fallback_256:
2634: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.300 nicm 2635: log_debug("%s: 256 colour fallback: %s", tty->client->name, s);
1.341 ! nicm 2636: tty_puts(tty, s);
! 2637: return (0);
! 2638:
! 2639: fallback_rgb:
! 2640: xsnprintf(s, sizeof s, "\033[%s;2;%d;%d;%dm", type, r, g, b);
! 2641: log_debug("%s: RGB colour fallback: %s", tty->client->name, s);
1.188 nicm 2642: tty_puts(tty, s);
2643: return (0);
1.176 nicm 2644: }
2645:
1.207 nicm 2646: static void
1.317 nicm 2647: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2648: {
1.326 nicm 2649: struct options *oo = wp->options;
2650: struct style *style, *active_style;
2651: int c;
2652:
2653: if (wp->flags & PANE_STYLECHANGED) {
2654: wp->flags &= ~PANE_STYLECHANGED;
2655:
2656: active_style = options_get_style(oo, "window-active-style");
2657: style = options_get_style(oo, "window-style");
2658:
2659: style_copy(&wp->cached_active_style, active_style);
2660: style_copy(&wp->cached_style, style);
1.203 nicm 2661: } else {
1.326 nicm 2662: active_style = &wp->cached_active_style;
2663: style = &wp->cached_style;
1.203 nicm 2664: }
1.176 nicm 2665:
1.204 nicm 2666: if (gc->fg == 8) {
1.326 nicm 2667: if (wp == wp->window->active && active_style->gc.fg != 8)
2668: gc->fg = active_style->gc.fg;
1.204 nicm 2669: else
1.326 nicm 2670: gc->fg = style->gc.fg;
1.219 nicm 2671:
1.310 nicm 2672: if (gc->fg != 8) {
2673: c = window_pane_get_palette(wp, gc->fg);
2674: if (c != -1)
2675: gc->fg = c;
2676: }
1.176 nicm 2677: }
2678:
1.204 nicm 2679: if (gc->bg == 8) {
1.326 nicm 2680: if (wp == wp->window->active && active_style->gc.bg != 8)
2681: gc->bg = active_style->gc.bg;
1.204 nicm 2682: else
1.326 nicm 2683: gc->bg = style->gc.bg;
1.219 nicm 2684:
1.310 nicm 2685: if (gc->bg != 8) {
2686: c = window_pane_get_palette(wp, gc->bg);
2687: if (c != -1)
2688: gc->bg = c;
2689: }
1.176 nicm 2690: }
1.210 nicm 2691: }
2692:
2693: static void
1.317 nicm 2694: tty_default_attributes(struct tty *tty, struct window_pane *wp, u_int bg)
1.210 nicm 2695: {
2696: static struct grid_cell gc;
2697:
2698: memcpy(&gc, &grid_default_cell, sizeof gc);
2699: gc.bg = bg;
2700: tty_attributes(tty, &gc, wp);
1.1 nicm 2701: }
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