Annotation of src/usr.bin/tmux/tty.c, Revision 1.338
1.338 ! nicm 1: /* $OpenBSD: tty.c,v 1.337 2020/01/12 21:07:07 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:
1.244 nicm 288: void
289: tty_start_tty(struct tty *tty)
1.1 nicm 290: {
1.285 nicm 291: struct client *c = tty->client;
292: struct termios tio;
1.33 nicm 293:
1.244 nicm 294: if (tty->fd != -1 && tcgetattr(tty->fd, &tty->tio) == 0) {
295: setblocking(tty->fd, 0);
296: event_add(&tty->event_in, NULL);
297:
298: memcpy(&tio, &tty->tio, sizeof tio);
299: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
300: tio.c_iflag |= IGNBRK;
301: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
302: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
303: ECHOPRT|ECHOKE|ISIG);
304: tio.c_cc[VMIN] = 1;
305: tio.c_cc[VTIME] = 0;
306: if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
307: tcflush(tty->fd, TCIOFLUSH);
308: }
1.1 nicm 309:
1.10 nicm 310: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 311:
1.252 nicm 312: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 313: tty_putcode(tty, TTYC_CLEAR);
314:
315: if (tty_acs_needed(tty)) {
316: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 317: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 318: } else
319: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 320:
321: tty_putcode(tty, TTYC_CNORM);
322: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 323: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.121 nicm 324:
1.189 nicm 325: if (tty_term_flag(tty->term, TTYC_XT)) {
1.191 nicm 326: if (options_get_number(global_options, "focus-events")) {
1.162 nicm 327: tty->flags |= TTY_FOCUS;
328: tty_puts(tty, "\033[?1004h");
329: }
1.338 ! nicm 330: tty_puts(tty, "\033[c\033[1337n");
1.162 nicm 331: }
1.1 nicm 332:
1.20 nicm 333: tty->flags |= TTY_STARTED;
1.242 nicm 334: tty_invalidate(tty);
1.107 nicm 335:
1.336 nicm 336: if (*tty->ccolour != '\0')
337: tty_force_cursor_colour(tty, "");
1.177 nicm 338:
339: tty->mouse_drag_flag = 0;
340: tty->mouse_drag_update = NULL;
341: tty->mouse_drag_release = NULL;
1.128 nicm 342: }
343:
344: void
1.1 nicm 345: tty_stop_tty(struct tty *tty)
346: {
347: struct winsize ws;
348:
1.20 nicm 349: if (!(tty->flags & TTY_STARTED))
350: return;
351: tty->flags &= ~TTY_STARTED;
352:
1.266 nicm 353: event_del(&tty->timer);
354: tty->flags &= ~TTY_BLOCK;
355:
1.244 nicm 356: event_del(&tty->event_in);
357: event_del(&tty->event_out);
1.66 nicm 358:
1.1 nicm 359: /*
360: * Be flexible about error handling and try not kill the server just
361: * because the fd is invalid. Things like ssh -t can easily leave us
362: * with a dead tty.
363: */
364: if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
365: return;
366: if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
367: return;
368:
369: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 370: if (tty_acs_needed(tty))
1.90 nicm 371: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 372: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
373: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
374: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.160 nicm 375: if (tty_term_has(tty->term, TTYC_SS) && tty->cstyle != 0) {
376: if (tty_term_has(tty->term, TTYC_SE))
377: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.109 nicm 378: else
1.160 nicm 379: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 380: }
1.173 nicm 381: if (tty->mode & MODE_BRACKETPASTE)
382: tty_raw(tty, "\033[?2004l");
1.336 nicm 383: if (*tty->ccolour != '\0')
384: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 385:
386: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
387: if (tty_term_has(tty->term, TTYC_KMOUS))
1.179 nicm 388: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
1.151 nicm 389:
1.189 nicm 390: if (tty_term_flag(tty->term, TTYC_XT)) {
1.162 nicm 391: if (tty->flags & TTY_FOCUS) {
392: tty->flags &= ~TTY_FOCUS;
1.172 nicm 393: tty_raw(tty, "\033[?1004l");
1.162 nicm 394: }
395: }
1.10 nicm 396:
1.212 nicm 397: if (tty_use_margin(tty))
398: tty_raw(tty, "\033[?69l"); /* DECLRMM */
1.10 nicm 399: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 400:
401: setblocking(tty->fd, 1);
1.1 nicm 402: }
403:
404: void
1.20 nicm 405: tty_close(struct tty *tty)
1.1 nicm 406: {
1.123 nicm 407: if (event_initialized(&tty->key_timer))
408: evtimer_del(&tty->key_timer);
1.20 nicm 409: tty_stop_tty(tty);
1.1 nicm 410:
1.21 nicm 411: if (tty->flags & TTY_OPENED) {
1.244 nicm 412: evbuffer_free(tty->in);
413: event_del(&tty->event_in);
414: evbuffer_free(tty->out);
415: event_del(&tty->event_out);
1.66 nicm 416:
1.21 nicm 417: tty_term_free(tty->term);
418: tty_keys_free(tty);
419:
420: tty->flags &= ~TTY_OPENED;
421: }
1.1 nicm 422:
1.21 nicm 423: if (tty->fd != -1) {
424: close(tty->fd);
425: tty->fd = -1;
426: }
1.1 nicm 427: }
428:
429: void
1.20 nicm 430: tty_free(struct tty *tty)
1.1 nicm 431: {
1.20 nicm 432: tty_close(tty);
1.1 nicm 433:
1.138 nicm 434: free(tty->ccolour);
1.220 nicm 435: free(tty->term_name);
1.1 nicm 436: }
437:
438: void
1.337 nicm 439: tty_set_flags(struct tty *tty, int flags)
1.212 nicm 440: {
1.337 nicm 441: tty->term_flags |= flags;
1.212 nicm 442:
443: if (tty_use_margin(tty))
444: tty_puts(tty, "\033[?69h"); /* DECLRMM */
445: }
446:
447: void
1.1 nicm 448: tty_raw(struct tty *tty, const char *s)
449: {
1.150 nicm 450: ssize_t n, slen;
451: u_int i;
452:
453: slen = strlen(s);
454: for (i = 0; i < 5; i++) {
455: n = write(tty->fd, s, slen);
456: if (n >= 0) {
457: s += n;
458: slen -= n;
459: if (slen == 0)
460: break;
461: } else if (n == -1 && errno != EAGAIN)
462: break;
463: usleep(100);
464: }
1.1 nicm 465: }
466:
467: void
468: tty_putcode(struct tty *tty, enum tty_code_code code)
469: {
470: tty_puts(tty, tty_term_string(tty->term, code));
471: }
472:
473: void
474: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
475: {
476: if (a < 0)
477: return;
478: tty_puts(tty, tty_term_string1(tty->term, code, a));
479: }
480:
481: void
482: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
483: {
484: if (a < 0 || b < 0)
485: return;
486: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
487: }
488:
489: void
1.286 nicm 490: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
491: {
492: if (a < 0 || b < 0 || c < 0)
493: return;
494: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
495: }
496:
497: void
1.107 nicm 498: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
499: {
500: if (a != NULL)
501: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
502: }
503:
504: void
1.167 nicm 505: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
506: const void *b)
1.106 nicm 507: {
508: if (a != NULL && b != NULL)
509: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
510: }
511:
1.243 nicm 512: static void
513: tty_add(struct tty *tty, const char *buf, size_t len)
514: {
1.258 nicm 515: struct client *c = tty->client;
516:
1.266 nicm 517: if (tty->flags & TTY_BLOCK) {
518: tty->discarded += len;
519: return;
520: }
521:
1.244 nicm 522: evbuffer_add(tty->out, buf, len);
1.270 nicm 523: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 524: c->written += len;
1.243 nicm 525:
526: if (tty_log_fd != -1)
527: write(tty_log_fd, buf, len);
1.244 nicm 528: if (tty->flags & TTY_STARTED)
529: event_add(&tty->event_out, NULL);
1.243 nicm 530: }
531:
1.106 nicm 532: void
1.1 nicm 533: tty_puts(struct tty *tty, const char *s)
534: {
1.243 nicm 535: if (*s != '\0')
536: tty_add(tty, s, strlen(s));
1.1 nicm 537: }
538:
539: void
540: tty_putc(struct tty *tty, u_char ch)
541: {
1.90 nicm 542: const char *acs;
1.1 nicm 543:
1.337 nicm 544: if ((tty->term->flags & TERM_NOXENL) &&
1.325 nicm 545: ch >= 0x20 && ch != 0x7f &&
546: tty->cy == tty->sy - 1 &&
547: tty->cx + 1 >= tty->sx)
548: return;
549:
1.90 nicm 550: if (tty->cell.attr & GRID_ATTR_CHARSET) {
551: acs = tty_acs_get(tty, ch);
1.243 nicm 552: if (acs != NULL)
553: tty_add(tty, acs, strlen(acs));
554: else
555: tty_add(tty, &ch, 1);
556: } else
557: tty_add(tty, &ch, 1);
1.1 nicm 558:
559: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 560: if (tty->cx >= tty->sx) {
1.46 nicm 561: tty->cx = 1;
562: if (tty->cy != tty->rlower)
563: tty->cy++;
1.211 nicm 564:
565: /*
566: * On !xenl terminals, force the cursor position to
567: * where we think it should be after a line wrap - this
568: * means it works on sensible terminals as well.
569: */
1.337 nicm 570: if (tty->term->flags & TERM_NOXENL)
1.211 nicm 571: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 572: } else
573: tty->cx++;
574: }
575: }
576:
577: void
1.147 nicm 578: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 579: {
1.337 nicm 580: if ((tty->term->flags & TERM_NOXENL) &&
1.325 nicm 581: tty->cy == tty->sy - 1 &&
582: tty->cx + len >= tty->sx)
583: len = tty->sx - tty->cx - 1;
584:
1.243 nicm 585: tty_add(tty, buf, len);
1.268 nicm 586: if (tty->cx + width > tty->sx) {
587: tty->cx = (tty->cx + width) - tty->sx;
588: if (tty->cx <= tty->sx)
589: tty->cy++;
590: else
591: tty->cx = tty->cy = UINT_MAX;
592: } else
1.254 nicm 593: tty->cx += width;
1.5 nicm 594: }
595:
1.207 nicm 596: static void
1.180 nicm 597: tty_set_italics(struct tty *tty)
598: {
599: const char *s;
600:
601: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 602: s = options_get_string(global_options, "default-terminal");
1.180 nicm 603: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
604: tty_putcode(tty, TTYC_SITM);
605: return;
606: }
607: }
608: tty_putcode(tty, TTYC_SMSO);
609: }
610:
611: void
1.1 nicm 612: tty_set_title(struct tty *tty, const char *title)
613: {
1.105 nicm 614: if (!tty_term_has(tty->term, TTYC_TSL) ||
615: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 616: return;
617:
1.105 nicm 618: tty_putcode(tty, TTYC_TSL);
1.1 nicm 619: tty_puts(tty, title);
1.105 nicm 620: tty_putcode(tty, TTYC_FSL);
1.1 nicm 621: }
622:
1.208 nicm 623: static void
1.107 nicm 624: tty_force_cursor_colour(struct tty *tty, const char *ccolour)
625: {
626: if (*ccolour == '\0')
627: tty_putcode(tty, TTYC_CR);
628: else
1.160 nicm 629: tty_putcode_ptr1(tty, TTYC_CS, ccolour);
1.138 nicm 630: free(tty->ccolour);
1.107 nicm 631: tty->ccolour = xstrdup(ccolour);
632: }
633:
634: void
635: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 636: {
637: int changed;
638:
1.197 nicm 639: if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
1.107 nicm 640: tty_force_cursor_colour(tty, s->ccolour);
641:
1.1 nicm 642: if (tty->flags & TTY_NOCURSOR)
643: mode &= ~MODE_CURSOR;
644:
645: changed = mode ^ tty->mode;
1.183 nicm 646: if (changed & MODE_BLINKING) {
647: if (tty_term_has(tty->term, TTYC_CVVIS))
648: tty_putcode(tty, TTYC_CVVIS);
649: else
650: tty_putcode(tty, TTYC_CNORM);
651: changed |= MODE_CURSOR;
652: }
653: if (changed & MODE_CURSOR) {
654: if (mode & MODE_CURSOR)
655: tty_putcode(tty, TTYC_CNORM);
656: else
1.1 nicm 657: tty_putcode(tty, TTYC_CIVIS);
1.108 nicm 658: }
1.181 nicm 659: if (s != NULL && tty->cstyle != s->cstyle) {
1.160 nicm 660: if (tty_term_has(tty->term, TTYC_SS)) {
1.108 nicm 661: if (s->cstyle == 0 &&
1.160 nicm 662: tty_term_has(tty->term, TTYC_SE))
663: tty_putcode(tty, TTYC_SE);
1.108 nicm 664: else
1.160 nicm 665: tty_putcode1(tty, TTYC_SS, s->cstyle);
1.108 nicm 666: }
667: tty->cstyle = s->cstyle;
1.1 nicm 668: }
1.195 nicm 669: if (changed & ALL_MOUSE_MODES) {
1.94 nicm 670: if (mode & ALL_MOUSE_MODES) {
1.153 nicm 671: /*
672: * Enable the SGR (1006) extension unconditionally, as
1.221 nicm 673: * it is safe from misinterpretation.
1.153 nicm 674: */
675: tty_puts(tty, "\033[?1006h");
1.225 nicm 676: if (mode & MODE_MOUSE_ALL)
677: tty_puts(tty, "\033[?1003h");
678: else if (mode & MODE_MOUSE_BUTTON)
1.94 nicm 679: tty_puts(tty, "\033[?1002h");
1.98 nicm 680: else if (mode & MODE_MOUSE_STANDARD)
681: tty_puts(tty, "\033[?1000h");
1.86 nicm 682: } else {
1.225 nicm 683: if (tty->mode & MODE_MOUSE_ALL)
684: tty_puts(tty, "\033[?1003l");
685: else if (tty->mode & MODE_MOUSE_BUTTON)
1.94 nicm 686: tty_puts(tty, "\033[?1002l");
1.98 nicm 687: else if (tty->mode & MODE_MOUSE_STANDARD)
688: tty_puts(tty, "\033[?1000l");
1.153 nicm 689: tty_puts(tty, "\033[?1006l");
1.86 nicm 690: }
1.115 nicm 691: }
692: if (changed & MODE_BRACKETPASTE) {
693: if (mode & MODE_BRACKETPASTE)
694: tty_puts(tty, "\033[?2004h");
695: else
696: tty_puts(tty, "\033[?2004l");
1.1 nicm 697: }
698: tty->mode = mode;
699: }
700:
1.207 nicm 701: static void
1.168 nicm 702: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
703: enum tty_code_code code1, u_int n)
1.1 nicm 704: {
705: if (tty_term_has(tty->term, code))
706: tty_putcode1(tty, code, n);
707: else {
708: while (n-- > 0)
709: tty_putcode(tty, code1);
710: }
711: }
712:
1.207 nicm 713: static void
1.133 nicm 714: tty_repeat_space(struct tty *tty, u_int n)
715: {
1.257 nicm 716: static char s[500];
717:
718: if (*s != ' ')
719: memset(s, ' ', sizeof s);
720:
721: while (n > sizeof s) {
722: tty_putn(tty, s, sizeof s, sizeof s);
723: n -= sizeof s;
724: }
725: if (n != 0)
726: tty_putn(tty, s, n, n);
1.304 nicm 727: }
728:
1.309 nicm 729: /* Is this window bigger than the terminal? */
730: int
731: tty_window_bigger(struct tty *tty)
732: {
733: struct client *c = tty->client;
734: struct window *w = c->session->curw->window;
735:
736: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
737: }
738:
739: /* What offset should this window be drawn at? */
740: int
741: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
742: {
743: *ox = tty->oox;
744: *oy = tty->ooy;
745: *sx = tty->osx;
746: *sy = tty->osy;
747:
748: return (tty->oflag);
749: }
750:
751: /* What offset should this window be drawn at? */
752: static int
753: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
754: {
755: struct client *c = tty->client;
756: struct window *w = c->session->curw->window;
757: struct window_pane *wp = w->active;
758: u_int cx, cy, lines;
759:
760: lines = status_line_size(c);
761:
762: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
763: *ox = 0;
764: *oy = 0;
765: *sx = w->sx;
766: *sy = w->sy;
767:
768: c->pan_window = NULL;
769: return (0);
770: }
771:
772: *sx = tty->sx;
773: *sy = tty->sy - lines;
774:
775: if (c->pan_window == w) {
776: if (*sx >= w->sx)
777: c->pan_ox = 0;
778: else if (c->pan_ox + *sx > w->sx)
779: c->pan_ox = w->sx - *sx;
780: *ox = c->pan_ox;
781: if (*sy >= w->sy)
782: c->pan_oy = 0;
783: else if (c->pan_oy + *sy > w->sy)
784: c->pan_oy = w->sy - *sy;
785: *oy = c->pan_oy;
786: return (1);
787: }
788:
789: if (~wp->screen->mode & MODE_CURSOR) {
790: *ox = 0;
791: *oy = 0;
792: } else {
793: cx = wp->xoff + wp->screen->cx;
794: cy = wp->yoff + wp->screen->cy;
795:
796: if (cx < *sx)
797: *ox = 0;
798: else if (cx > w->sx - *sx)
799: *ox = w->sx - *sx;
800: else
801: *ox = cx - *sx / 2;
802:
803: if (cy < *sy)
804: *oy = 0;
805: else if (cy > w->sy - *sy)
806: *oy = w->sy - *sy;
807: else
808: *oy = cy - *sy / 2;
809: }
810:
811: c->pan_window = NULL;
812: return (1);
813: }
814:
815: /* Update stored offsets for a window and redraw if necessary. */
816: void
817: tty_update_window_offset(struct window *w)
818: {
819: struct client *c;
820:
821: TAILQ_FOREACH(c, &clients, entry) {
822: if (c->session != NULL && c->session->curw->window == w)
823: tty_update_client_offset(c);
824: }
825: }
826:
827: /* Update stored offsets for a client and redraw if necessary. */
828: void
829: tty_update_client_offset(struct client *c)
1.304 nicm 830: {
1.309 nicm 831: u_int ox, oy, sx, sy;
1.314 nicm 832:
833: if (~c->flags & CLIENT_TERMINAL)
834: return;
1.304 nicm 835:
1.309 nicm 836: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
837: if (ox == c->tty.oox &&
838: oy == c->tty.ooy &&
839: sx == c->tty.osx &&
840: sy == c->tty.osy)
841: return;
842:
843: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
844: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
845: ox, oy, sx, sy);
846:
847: c->tty.oox = ox;
848: c->tty.ooy = oy;
849: c->tty.osx = sx;
850: c->tty.osy = sy;
851:
852: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 853: }
854:
1.1 nicm 855: /*
1.119 nicm 856: * Is the region large enough to be worth redrawing once later rather than
857: * probably several times now? Currently yes if it is more than 50% of the
858: * pane.
859: */
1.207 nicm 860: static int
1.194 nicm 861: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 862: {
863: struct window_pane *wp = ctx->wp;
864:
865: return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2);
866: }
867:
868: /*
1.176 nicm 869: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
870: * emulated.
871: */
1.207 nicm 872: static int
1.317 nicm 873: tty_fake_bce(const struct tty *tty, struct window_pane *wp, u_int bg)
1.176 nicm 874: {
875: struct grid_cell gc;
876:
1.210 nicm 877: if (tty_term_flag(tty->term, TTYC_BCE))
878: return (0);
879:
1.176 nicm 880: memcpy(&gc, &grid_default_cell, sizeof gc);
1.203 nicm 881: if (wp != NULL)
882: tty_default_colours(&gc, wp);
1.176 nicm 883:
1.310 nicm 884: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc.bg))
1.210 nicm 885: return (1);
886: return (0);
1.176 nicm 887: }
888:
889: /*
1.1 nicm 890: * Redraw scroll region using data from screen (already updated). Used when
891: * CSR not supported, or window is a pane that doesn't take up the full
892: * width of the terminal.
893: */
1.207 nicm 894: static void
1.24 nicm 895: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 896: {
1.14 nicm 897: struct window_pane *wp = ctx->wp;
898: struct screen *s = wp->screen;
1.204 nicm 899: u_int i;
1.1 nicm 900:
901: /*
1.119 nicm 902: * If region is large, schedule a window redraw. In most cases this is
903: * likely to be followed by some more scrolling.
1.1 nicm 904: */
1.119 nicm 905: if (tty_large_region(tty, ctx)) {
1.1 nicm 906: wp->flags |= PANE_REDRAW;
907: return;
908: }
909:
1.14 nicm 910: if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
911: for (i = ctx->ocy; i < screen_size_y(s); i++)
1.309 nicm 912: tty_draw_pane(tty, ctx, i);
1.1 nicm 913: } else {
1.14 nicm 914: for (i = ctx->orupper; i <= ctx->orlower; i++)
1.309 nicm 915: tty_draw_pane(tty, ctx, i);
1.1 nicm 916: }
917: }
918:
1.309 nicm 919: /* Is this position visible in the pane? */
920: static int
921: tty_is_visible(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
922: u_int nx, u_int ny)
923: {
924: u_int xoff = ctx->xoff + px, yoff = ctx->yoff + py, lines;
925:
926: if (!ctx->bigger)
927: return (1);
928:
929: if (status_at_line(tty->client) == 0)
930: lines = status_line_size(tty->client);
931: else
932: lines = 0;
933:
934: if (xoff + nx <= ctx->ox || xoff >= ctx->ox + ctx->sx ||
1.320 nicm 935: yoff + ny <= ctx->oy || yoff >= lines + ctx->oy + ctx->sy)
1.309 nicm 936: return (0);
937: return (1);
938: }
939:
940: /* Clamp line position to visible part of pane. */
941: static int
942: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
943: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
944: {
945: struct window_pane *wp = ctx->wp;
946: u_int xoff = wp->xoff + px;
947:
948: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
949: return (0);
950: *ry = ctx->yoff + py - ctx->oy;
951:
952: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
953: /* All visible. */
954: *i = 0;
955: *x = ctx->xoff + px - ctx->ox;
956: *rx = nx;
957: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
958: /* Both left and right not visible. */
959: *i = ctx->ox;
960: *x = 0;
961: *rx = ctx->sx;
962: } else if (xoff < ctx->ox) {
963: /* Left not visible. */
964: *i = ctx->ox - (ctx->xoff + px);
965: *x = 0;
966: *rx = nx - *i;
967: } else {
968: /* Right not visible. */
969: *i = 0;
970: *x = (ctx->xoff + px) - ctx->ox;
971: *rx = ctx->sx - *x;
972: }
973: if (*rx > nx)
974: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
975:
976: return (1);
977: }
978:
979: /* Clear a line. */
1.271 nicm 980: static void
1.317 nicm 981: tty_clear_line(struct tty *tty, struct window_pane *wp, u_int py, u_int px,
982: u_int nx, u_int bg)
1.271 nicm 983: {
1.309 nicm 984: struct client *c = tty->client;
985:
986: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 987:
988: /* Nothing to clear. */
989: if (nx == 0)
990: return;
991:
992: /* If genuine BCE is available, can try escape sequences. */
993: if (!tty_fake_bce(tty, wp, bg)) {
994: /* Off the end of the line, use EL if available. */
995: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
996: tty_cursor(tty, px, py);
997: tty_putcode(tty, TTYC_EL);
998: return;
999: }
1000:
1001: /* At the start of the line. Use EL1. */
1002: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1003: tty_cursor(tty, px + nx - 1, py);
1004: tty_putcode(tty, TTYC_EL1);
1005: return;
1006: }
1007:
1008: /* Section of line. Use ECH if possible. */
1009: if (tty_term_has(tty->term, TTYC_ECH)) {
1010: tty_cursor(tty, px, py);
1011: tty_putcode1(tty, TTYC_ECH, nx);
1012: return;
1013: }
1014: }
1015:
1016: /* Couldn't use an escape sequence, use spaces. */
1.272 nicm 1017: tty_cursor(tty, px, py);
1.271 nicm 1018: tty_repeat_space(tty, nx);
1019: }
1020:
1.309 nicm 1021: /* Clear a line, adjusting to visible part of pane. */
1022: static void
1023: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1024: u_int px, u_int nx, u_int bg)
1025: {
1026: struct client *c = tty->client;
1027: u_int i, x, rx, ry;
1028:
1029: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1030:
1031: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1032: tty_clear_line(tty, ctx->wp, ry, x, rx, bg);
1033: }
1034:
1035: /* Clamp area position to visible part of pane. */
1036: static int
1037: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1038: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1039: u_int *ry)
1040: {
1041: struct window_pane *wp = ctx->wp;
1042: u_int xoff = wp->xoff + px, yoff = wp->yoff + py;
1043:
1044: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1045: return (0);
1046:
1047: if (xoff >= ctx->ox && xoff + nx <= ctx->ox + ctx->sx) {
1048: /* All visible. */
1049: *i = 0;
1050: *x = ctx->xoff + px - ctx->ox;
1051: *rx = nx;
1052: } else if (xoff < ctx->ox && xoff + nx > ctx->ox + ctx->sx) {
1053: /* Both left and right not visible. */
1054: *i = ctx->ox;
1055: *x = 0;
1056: *rx = ctx->sx;
1057: } else if (xoff < ctx->ox) {
1058: /* Left not visible. */
1059: *i = ctx->ox - (ctx->xoff + px);
1060: *x = 0;
1061: *rx = nx - *i;
1062: } else {
1063: /* Right not visible. */
1064: *i = 0;
1065: *x = (ctx->xoff + px) - ctx->ox;
1066: *rx = ctx->sx - *x;
1067: }
1068: if (*rx > nx)
1069: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1070:
1071: if (yoff >= ctx->oy && yoff + ny <= ctx->oy + ctx->sy) {
1072: /* All visible. */
1073: *j = 0;
1074: *y = ctx->yoff + py - ctx->oy;
1075: *ry = ny;
1076: } else if (yoff < ctx->oy && yoff + ny > ctx->oy + ctx->sy) {
1.327 nicm 1077: /* Both top and bottom not visible. */
1.309 nicm 1078: *j = ctx->oy;
1079: *y = 0;
1080: *ry = ctx->sy;
1081: } else if (yoff < ctx->oy) {
1.327 nicm 1082: /* Top not visible. */
1.309 nicm 1083: *j = ctx->oy - (ctx->yoff + py);
1084: *y = 0;
1085: *ry = ny - *j;
1086: } else {
1.327 nicm 1087: /* Bottom not visible. */
1.309 nicm 1088: *j = 0;
1089: *y = (ctx->yoff + py) - ctx->oy;
1090: *ry = ctx->sy - *y;
1091: }
1092: if (*ry > ny)
1093: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1094:
1095: return (1);
1096: }
1097:
1098: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1099: static void
1.317 nicm 1100: tty_clear_area(struct tty *tty, struct window_pane *wp, u_int py, u_int ny,
1101: u_int px, u_int nx, u_int bg)
1.271 nicm 1102: {
1.309 nicm 1103: struct client *c = tty->client;
1104: u_int yy;
1105: char tmp[64];
1.271 nicm 1106:
1.309 nicm 1107: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1108:
1109: /* Nothing to clear. */
1110: if (nx == 0 || ny == 0)
1111: return;
1112:
1113: /* If genuine BCE is available, can try escape sequences. */
1114: if (!tty_fake_bce(tty, wp, bg)) {
1.276 nicm 1115: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1116: if (px == 0 &&
1117: px + nx >= tty->sx &&
1118: py + ny >= tty->sy &&
1119: tty_term_has(tty->term, TTYC_ED)) {
1120: tty_cursor(tty, 0, py);
1121: tty_putcode(tty, TTYC_ED);
1.274 nicm 1122: return;
1123: }
1124:
1125: /*
1.276 nicm 1126: * On VT420 compatible terminals we can use DECFRA if the
1127: * background colour isn't default (because it doesn't work
1128: * after SGR 0).
1.274 nicm 1129: */
1.337 nicm 1130: if (((tty->term->flags|tty->term_flags) & TERM_DECFRA) &&
1131: !COLOUR_DEFAULT(bg)) {
1.274 nicm 1132: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1133: py + 1, px + 1, py + ny, px + nx);
1134: tty_puts(tty, tmp);
1.276 nicm 1135: return;
1136: }
1137:
1.280 nicm 1138: /* Full lines can be scrolled away to clear them. */
1139: if (px == 0 &&
1.281 nicm 1140: px + nx >= tty->sx &&
1.280 nicm 1141: ny > 2 &&
1142: tty_term_has(tty->term, TTYC_CSR) &&
1143: tty_term_has(tty->term, TTYC_INDN)) {
1144: tty_region(tty, py, py + ny - 1);
1145: tty_margin_off(tty);
1.284 nicm 1146: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1147: return;
1148: }
1149:
1.276 nicm 1150: /*
1151: * If margins are supported, can just scroll the area off to
1152: * clear it.
1153: */
1.277 nicm 1154: if (nx > 2 &&
1155: ny > 2 &&
1.280 nicm 1156: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1157: tty_use_margin(tty) &&
1158: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1159: tty_region(tty, py, py + ny - 1);
1160: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1161: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1162: return;
1163: }
1164: }
1165:
1166: /* Couldn't use an escape sequence, loop over the lines. */
1167: for (yy = py; yy < py + ny; yy++)
1168: tty_clear_line(tty, wp, yy, px, nx, bg);
1169: }
1170:
1.309 nicm 1171: /* Clear an area in a pane. */
1172: static void
1173: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1174: u_int ny, u_int px, u_int nx, u_int bg)
1175: {
1176: u_int i, j, x, y, rx, ry;
1177:
1178: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1179: tty_clear_area(tty, ctx->wp, y, ry, x, rx, bg);
1180: }
1181:
1182: static void
1183: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1184: {
1.309 nicm 1185: struct window_pane *wp = ctx->wp;
1186: struct screen *s = wp->screen;
1187: u_int nx = screen_size_x(s), i, x, rx, ry;
1188:
1189: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1190:
1191: if (!ctx->bigger) {
1192: tty_draw_line(tty, wp, s, 0, py, nx, ctx->xoff, ctx->yoff + py);
1193: return;
1194: }
1195: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry))
1196: tty_draw_line(tty, wp, s, i, py, rx, x, ry);
1.176 nicm 1197: }
1198:
1.298 nicm 1199: static const struct grid_cell *
1200: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1201: {
1202: static struct grid_cell new;
1203: u_int n;
1204:
1205: /* Characters less than 0x7f are always fine, no matter what. */
1206: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1207: return (gc);
1208:
1209: /* UTF-8 terminal and a UTF-8 character - fine. */
1210: if (tty->flags & TTY_UTF8)
1211: return (gc);
1212:
1213: /* Replace by the right number of underscores. */
1214: n = gc->data.width;
1215: if (n > UTF8_SIZE)
1216: n = UTF8_SIZE;
1217: memcpy(&new, gc, sizeof new);
1218: new.data.size = n;
1219: memset(new.data.data, '_', n);
1220: return (&new);
1221: }
1222:
1.176 nicm 1223: void
1.317 nicm 1224: tty_draw_line(struct tty *tty, struct window_pane *wp, struct screen *s,
1225: u_int px, u_int py, u_int nx, u_int atx, u_int aty)
1.1 nicm 1226: {
1.297 nicm 1227: struct grid *gd = s->grid;
1.250 nicm 1228: struct grid_cell gc, last;
1.298 nicm 1229: const struct grid_cell *gcp;
1.309 nicm 1230: struct grid_line *gl;
1231: u_int i, j, ux, sx, width;
1.329 nicm 1232: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1233: char buf[512];
1.315 nicm 1234: size_t len;
1.303 nicm 1235: u_int cellsize;
1.1 nicm 1236:
1.309 nicm 1237: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1238: px, py, nx, atx, aty);
1239:
1240: /*
1241: * py is the line in the screen to draw.
1242: * px is the start x and nx is the width to draw.
1243: * atx,aty is the line on the terminal to draw it.
1244: */
1245:
1.259 nicm 1246: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1247: tty->flags |= TTY_NOCURSOR;
1248: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1249:
1.214 nicm 1250: tty_region_off(tty);
1251: tty_margin_off(tty);
1252:
1.273 nicm 1253: /*
1254: * Clamp the width to cellsize - note this is not cellused, because
1255: * there may be empty background cells after it (from BCE).
1256: */
1.1 nicm 1257: sx = screen_size_x(s);
1.309 nicm 1258: if (nx > sx)
1259: nx = sx;
1.303 nicm 1260: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1261: if (sx > cellsize)
1262: sx = cellsize;
1.1 nicm 1263: if (sx > tty->sx)
1264: sx = tty->sx;
1.309 nicm 1265: if (sx > nx)
1266: sx = nx;
1.292 nicm 1267: ux = 0;
1.1 nicm 1268:
1.309 nicm 1269: if (py == 0)
1270: gl = NULL;
1271: else
1272: gl = grid_get_line(gd, gd->hsize + py - 1);
1.268 nicm 1273: if (wp == NULL ||
1.309 nicm 1274: gl == NULL ||
1275: (~gl->flags & GRID_LINE_WRAPPED) ||
1276: atx != 0 ||
1.268 nicm 1277: tty->cx < tty->sx ||
1.309 nicm 1278: nx < tty->sx) {
1279: if (nx < tty->sx &&
1280: atx == 0 &&
1281: px + sx != nx &&
1.268 nicm 1282: tty_term_has(tty->term, TTYC_EL1) &&
1283: !tty_fake_bce(tty, wp, 8)) {
1284: tty_default_attributes(tty, wp, 8);
1.309 nicm 1285: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1286: tty_putcode(tty, TTYC_EL1);
1287: cleared = 1;
1288: }
1.329 nicm 1289: } else {
1.309 nicm 1290: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1291: wrapped = 1;
1292: }
1.250 nicm 1293:
1294: memcpy(&last, &grid_default_cell, sizeof last);
1295: len = 0;
1296: width = 0;
1.46 nicm 1297:
1.1 nicm 1298: for (i = 0; i < sx; i++) {
1.309 nicm 1299: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1300: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1301: if (len != 0 &&
1.298 nicm 1302: ((gcp->attr & GRID_ATTR_CHARSET) ||
1303: gcp->flags != last.flags ||
1304: gcp->attr != last.attr ||
1305: gcp->fg != last.fg ||
1306: gcp->bg != last.bg ||
1.328 nicm 1307: gcp->us != last.us ||
1.315 nicm 1308: ux + width + gcp->data.width > nx ||
1.298 nicm 1309: (sizeof buf) - len < gcp->data.size)) {
1.316 nicm 1310: tty_attributes(tty, &last, wp);
1.315 nicm 1311: if (last.flags & GRID_FLAG_CLEARED) {
1312: log_debug("%s: %zu cleared", __func__, len);
1313: tty_clear_line(tty, wp, aty, atx + ux, width,
1314: last.bg);
1315: } else {
1.329 nicm 1316: if (!wrapped || atx != 0 || ux != 0)
1317: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1318: tty_putn(tty, buf, len, width);
1319: }
1.292 nicm 1320: ux += width;
1.250 nicm 1321:
1322: len = 0;
1323: width = 0;
1.329 nicm 1324: wrapped = 0;
1.250 nicm 1325: }
1326:
1.298 nicm 1327: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1328: screen_select_cell(s, &last, gcp);
1.250 nicm 1329: else
1.299 nicm 1330: memcpy(&last, gcp, sizeof last);
1.309 nicm 1331: if (ux + gcp->data.width > nx) {
1.299 nicm 1332: tty_attributes(tty, &last, wp);
1.315 nicm 1333: tty_cursor(tty, atx + ux, aty);
1.298 nicm 1334: for (j = 0; j < gcp->data.width; j++) {
1.309 nicm 1335: if (ux + j > nx)
1.297 nicm 1336: break;
1337: tty_putc(tty, ' ');
1338: ux++;
1339: }
1.299 nicm 1340: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1341: tty_attributes(tty, &last, wp);
1.315 nicm 1342: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1343: for (j = 0; j < gcp->data.size; j++)
1344: tty_putc(tty, gcp->data.data[j]);
1345: ux += gc.data.width;
1346: } else {
1.298 nicm 1347: memcpy(buf + len, gcp->data.data, gcp->data.size);
1348: len += gcp->data.size;
1349: width += gcp->data.width;
1.250 nicm 1350: }
1351: }
1.315 nicm 1352: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.316 nicm 1353: tty_attributes(tty, &last, wp);
1.315 nicm 1354: if (last.flags & GRID_FLAG_CLEARED) {
1355: log_debug("%s: %zu cleared (end)", __func__, len);
1356: tty_clear_line(tty, wp, aty, atx + ux, width, last.bg);
1357: } else {
1.329 nicm 1358: if (!wrapped || atx != 0 || ux != 0)
1359: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1360: tty_putn(tty, buf, len, width);
1361: }
1.315 nicm 1362: ux += width;
1.1 nicm 1363: }
1364:
1.309 nicm 1365: if (!cleared && ux < nx) {
1.315 nicm 1366: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1367: nx - ux, len);
1.210 nicm 1368: tty_default_attributes(tty, wp, 8);
1.309 nicm 1369: tty_clear_line(tty, wp, aty, atx + ux, nx - ux, 8);
1.35 nicm 1370: }
1.1 nicm 1371:
1.181 nicm 1372: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1373: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1374: }
1375:
1.201 nicm 1376: static int
1.182 nicm 1377: tty_client_ready(struct client *c, struct window_pane *wp)
1378: {
1379: if (c->session == NULL || c->tty.term == NULL)
1380: return (0);
1.305 nicm 1381: if (c->flags & (CLIENT_REDRAWWINDOW|CLIENT_SUSPENDED))
1.182 nicm 1382: return (0);
1383: if (c->tty.flags & TTY_FREEZE)
1384: return (0);
1385: if (c->session->curw->window != wp->window)
1386: return (0);
1.309 nicm 1387: if (wp->layout_cell == NULL)
1388: return (0);
1.182 nicm 1389: return (1);
1390: }
1391:
1.15 nicm 1392: void
1.182 nicm 1393: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1394: struct tty_ctx *ctx)
1.15 nicm 1395: {
1396: struct window_pane *wp = ctx->wp;
1397: struct client *c;
1398:
1399: if (wp == NULL)
1400: return;
1.309 nicm 1401: if (wp->flags & (PANE_REDRAW|PANE_DROP))
1.15 nicm 1402: return;
1403:
1.178 nicm 1404: TAILQ_FOREACH(c, &clients, entry) {
1.182 nicm 1405: if (!tty_client_ready(c, wp))
1.15 nicm 1406: continue;
1407:
1.309 nicm 1408: ctx->bigger = tty_window_offset(&c->tty, &ctx->ox, &ctx->oy,
1409: &ctx->sx, &ctx->sy);
1410:
1.139 nicm 1411: ctx->xoff = wp->xoff;
1412: ctx->yoff = wp->yoff;
1.309 nicm 1413:
1.139 nicm 1414: if (status_at_line(c) == 0)
1.309 nicm 1415: ctx->yoff += status_line_size(c);
1.113 nicm 1416:
1.139 nicm 1417: cmdfn(&c->tty, ctx);
1.1 nicm 1418: }
1419: }
1420:
1421: void
1.24 nicm 1422: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1423: {
1.77 nicm 1424: struct window_pane *wp = ctx->wp;
1.1 nicm 1425:
1.309 nicm 1426: if (ctx->bigger ||
1427: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1428: tty_fake_bce(tty, wp, ctx->bg) ||
1429: (!tty_term_has(tty->term, TTYC_ICH) &&
1430: !tty_term_has(tty->term, TTYC_ICH1))) {
1.309 nicm 1431: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1432: return;
1433: }
1434:
1.210 nicm 1435: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1436:
1.77 nicm 1437: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1438:
1.206 nicm 1439: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1440: }
1441:
1442: void
1.24 nicm 1443: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1444: {
1.77 nicm 1445: struct window_pane *wp = ctx->wp;
1.1 nicm 1446:
1.309 nicm 1447: if (ctx->bigger ||
1448: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1449: tty_fake_bce(tty, wp, ctx->bg) ||
1.26 nicm 1450: (!tty_term_has(tty->term, TTYC_DCH) &&
1451: !tty_term_has(tty->term, TTYC_DCH1))) {
1.309 nicm 1452: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1453: return;
1454: }
1455:
1.210 nicm 1456: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1457:
1.77 nicm 1458: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1459:
1.206 nicm 1460: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1461: }
1462:
1463: void
1464: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1465: {
1.309 nicm 1466: if (ctx->bigger) {
1467: tty_draw_pane(tty, ctx, ctx->ocy);
1468: return;
1469: }
1470:
1.275 nicm 1471: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.146 nicm 1472:
1473: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1474:
1.210 nicm 1475: if (tty_term_has(tty->term, TTYC_ECH) &&
1.262 nicm 1476: !tty_fake_bce(tty, ctx->wp, 8))
1.146 nicm 1477: tty_putcode1(tty, TTYC_ECH, ctx->num);
1.257 nicm 1478: else
1479: tty_repeat_space(tty, ctx->num);
1.1 nicm 1480: }
1481:
1482: void
1.24 nicm 1483: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1484: {
1.309 nicm 1485: if (ctx->bigger ||
1486: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1487: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.77 nicm 1488: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1489: !tty_term_has(tty->term, TTYC_IL1) ||
1490: ctx->wp->sx == 1 ||
1491: ctx->wp->sy == 1) {
1.14 nicm 1492: tty_redraw_region(tty, ctx);
1.1 nicm 1493: return;
1494: }
1495:
1.210 nicm 1496: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1497:
1.77 nicm 1498: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1499: tty_margin_off(tty);
1.77 nicm 1500: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1501:
1.12 nicm 1502: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1503: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1504: }
1505:
1506: void
1.24 nicm 1507: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1508: {
1.309 nicm 1509: if (ctx->bigger ||
1510: !tty_pane_full_width(tty, ctx) ||
1.210 nicm 1511: tty_fake_bce(tty, ctx->wp, ctx->bg) ||
1.72 nicm 1512: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1513: !tty_term_has(tty->term, TTYC_DL1) ||
1514: ctx->wp->sx == 1 ||
1515: ctx->wp->sy == 1) {
1.14 nicm 1516: tty_redraw_region(tty, ctx);
1.1 nicm 1517: return;
1518: }
1519:
1.210 nicm 1520: tty_default_attributes(tty, ctx->wp, ctx->bg);
1.1 nicm 1521:
1.77 nicm 1522: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1523: tty_margin_off(tty);
1.77 nicm 1524: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1525:
1.12 nicm 1526: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1527: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1528: }
1529:
1530: void
1.24 nicm 1531: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1532: {
1.77 nicm 1533: struct window_pane *wp = ctx->wp;
1.309 nicm 1534: u_int nx;
1.1 nicm 1535:
1.210 nicm 1536: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1537:
1.271 nicm 1538: nx = screen_size_x(wp->screen);
1.309 nicm 1539: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, nx, ctx->bg);
1.1 nicm 1540: }
1541:
1542: void
1.24 nicm 1543: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1544: {
1.77 nicm 1545: struct window_pane *wp = ctx->wp;
1.309 nicm 1546: u_int nx;
1.1 nicm 1547:
1.210 nicm 1548: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1549:
1.271 nicm 1550: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1551: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1552: }
1553:
1554: void
1.24 nicm 1555: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1556: {
1.210 nicm 1557: struct window_pane *wp = ctx->wp;
1558:
1559: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1560:
1.309 nicm 1561: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1562: }
1563:
1564: void
1.24 nicm 1565: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1566: {
1.278 nicm 1567: struct window_pane *wp = ctx->wp;
1568:
1.56 nicm 1569: if (ctx->ocy != ctx->orupper)
1570: return;
1571:
1.309 nicm 1572: if (ctx->bigger ||
1.331 nicm 1573: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.278 nicm 1574: tty_fake_bce(tty, wp, 8) ||
1.70 nicm 1575: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1576: (!tty_term_has(tty->term, TTYC_RI) &&
1577: !tty_term_has(tty->term, TTYC_RIN)) ||
1.307 nicm 1578: ctx->wp->sx == 1 ||
1579: ctx->wp->sy == 1) {
1.14 nicm 1580: tty_redraw_region(tty, ctx);
1.1 nicm 1581: return;
1582: }
1583:
1.278 nicm 1584: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1585:
1.56 nicm 1586: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1587: tty_margin_pane(tty, ctx);
1.56 nicm 1588: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1589:
1.331 nicm 1590: if (tty_term_has(tty->term, TTYC_RI))
1591: tty_putcode(tty, TTYC_RI);
1592: else
1593: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1594: }
1595:
1596: void
1.24 nicm 1597: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1598: {
1.77 nicm 1599: struct window_pane *wp = ctx->wp;
1.1 nicm 1600:
1.56 nicm 1601: if (ctx->ocy != ctx->orlower)
1602: return;
1603:
1.309 nicm 1604: if (ctx->bigger ||
1605: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1606: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1607: !tty_term_has(tty->term, TTYC_CSR) ||
1608: wp->sx == 1 ||
1609: wp->sy == 1) {
1.236 nicm 1610: tty_redraw_region(tty, ctx);
1.1 nicm 1611: return;
1612: }
1.52 nicm 1613:
1.278 nicm 1614: tty_default_attributes(tty, wp, ctx->bg);
1.77 nicm 1615:
1.56 nicm 1616: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1617: tty_margin_pane(tty, ctx);
1618:
1619: /*
1.301 nicm 1620: * If we want to wrap a pane while using margins, the cursor needs to
1621: * be exactly on the right of the region. If the cursor is entirely off
1622: * the edge - move it back to the right. Some terminals are funny about
1623: * this and insert extra spaces, so only use the right if margins are
1624: * enabled.
1.212 nicm 1625: */
1.301 nicm 1626: if (ctx->xoff + ctx->ocx > tty->rright) {
1627: if (!tty_use_margin(tty))
1628: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1629: else
1630: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1631: } else
1.212 nicm 1632: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1633:
1.56 nicm 1634: tty_putc(tty, '\n');
1.240 nicm 1635: }
1636:
1637: void
1638: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1639: {
1640: struct window_pane *wp = ctx->wp;
1.284 nicm 1641: u_int i;
1.240 nicm 1642:
1.309 nicm 1643: if (ctx->bigger ||
1644: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.262 nicm 1645: tty_fake_bce(tty, wp, 8) ||
1.307 nicm 1646: !tty_term_has(tty->term, TTYC_CSR) ||
1647: wp->sx == 1 ||
1648: wp->sy == 1) {
1.240 nicm 1649: tty_redraw_region(tty, ctx);
1650: return;
1651: }
1652:
1.278 nicm 1653: tty_default_attributes(tty, wp, ctx->bg);
1.240 nicm 1654:
1655: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1656: tty_margin_pane(tty, ctx);
1657:
1.284 nicm 1658: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1659: if (!tty_use_margin(tty))
1660: tty_cursor(tty, 0, tty->rlower);
1661: else
1662: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1663: for (i = 0; i < ctx->num; i++)
1.240 nicm 1664: tty_putc(tty, '\n');
1.301 nicm 1665: } else {
1666: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1667: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1668: }
1669: }
1670:
1671: void
1672: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1673: {
1674: struct window_pane *wp = ctx->wp;
1675: u_int i;
1676:
1677: if (ctx->bigger ||
1678: (!tty_pane_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1679: tty_fake_bce(tty, wp, 8) ||
1680: !tty_term_has(tty->term, TTYC_CSR) ||
1681: (!tty_term_has(tty->term, TTYC_RI) &&
1682: !tty_term_has(tty->term, TTYC_RIN)) ||
1683: wp->sx == 1 ||
1684: wp->sy == 1) {
1685: tty_redraw_region(tty, ctx);
1686: return;
1687: }
1688:
1689: tty_default_attributes(tty, wp, ctx->bg);
1690:
1691: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1692: tty_margin_pane(tty, ctx);
1693: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1694:
1695: if (tty_term_has(tty->term, TTYC_RIN))
1696: tty_putcode1(tty, TTYC_RIN, ctx->num);
1697: else {
1698: for (i = 0; i < ctx->num; i++)
1699: tty_putcode(tty, TTYC_RI);
1.301 nicm 1700: }
1.1 nicm 1701: }
1702:
1703: void
1.24 nicm 1704: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1705: {
1.77 nicm 1706: struct window_pane *wp = ctx->wp;
1.271 nicm 1707: u_int px, py, nx, ny;
1.1 nicm 1708:
1.210 nicm 1709: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1710:
1.271 nicm 1711: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1712: tty_margin_off(tty);
1.39 nicm 1713:
1.309 nicm 1714: px = 0;
1.271 nicm 1715: nx = screen_size_x(wp->screen);
1.309 nicm 1716: py = ctx->ocy + 1;
1.271 nicm 1717: ny = screen_size_y(wp->screen) - ctx->ocy - 1;
1718:
1.309 nicm 1719: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1720:
1.309 nicm 1721: px = ctx->ocx;
1.271 nicm 1722: nx = screen_size_x(wp->screen) - ctx->ocx;
1.309 nicm 1723: py = ctx->ocy;
1.271 nicm 1724:
1.309 nicm 1725: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1726: }
1727:
1728: void
1.24 nicm 1729: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1730: {
1.77 nicm 1731: struct window_pane *wp = ctx->wp;
1.271 nicm 1732: u_int px, py, nx, ny;
1.1 nicm 1733:
1.227 nicm 1734: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1735:
1.271 nicm 1736: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1737: tty_margin_off(tty);
1.39 nicm 1738:
1.309 nicm 1739: px = 0;
1.271 nicm 1740: nx = screen_size_x(wp->screen);
1.309 nicm 1741: py = 0;
1.319 nicm 1742: ny = ctx->ocy;
1.271 nicm 1743:
1.309 nicm 1744: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1745:
1.309 nicm 1746: px = 0;
1.271 nicm 1747: nx = ctx->ocx + 1;
1.309 nicm 1748: py = ctx->ocy;
1.271 nicm 1749:
1.309 nicm 1750: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1751: }
1752:
1753: void
1.24 nicm 1754: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1755: {
1.77 nicm 1756: struct window_pane *wp = ctx->wp;
1.271 nicm 1757: u_int px, py, nx, ny;
1.1 nicm 1758:
1.210 nicm 1759: tty_default_attributes(tty, wp, ctx->bg);
1.1 nicm 1760:
1.271 nicm 1761: tty_region_pane(tty, ctx, 0, screen_size_y(wp->screen) - 1);
1.214 nicm 1762: tty_margin_off(tty);
1.39 nicm 1763:
1.309 nicm 1764: px = 0;
1.271 nicm 1765: nx = screen_size_x(wp->screen);
1.309 nicm 1766: py = 0;
1.271 nicm 1767: ny = screen_size_y(wp->screen);
1768:
1.309 nicm 1769: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 1770: }
1771:
1772: void
1.24 nicm 1773: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 1774: {
1.12 nicm 1775: struct window_pane *wp = ctx->wp;
1776: struct screen *s = wp->screen;
1777: u_int i, j;
1.4 nicm 1778:
1.309 nicm 1779: if (ctx->bigger) {
1780: wp->flags |= PANE_REDRAW;
1781: return;
1782: }
1783:
1.176 nicm 1784: tty_attributes(tty, &grid_default_cell, wp);
1.4 nicm 1785:
1.39 nicm 1786: tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
1.214 nicm 1787: tty_margin_off(tty);
1.4 nicm 1788:
1789: for (j = 0; j < screen_size_y(s); j++) {
1.41 nicm 1790: tty_cursor_pane(tty, ctx, 0, j);
1.4 nicm 1791: for (i = 0; i < screen_size_x(s); i++)
1792: tty_putc(tty, 'E');
1.1 nicm 1793: }
1794: }
1795:
1796: void
1.24 nicm 1797: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1798: {
1.309 nicm 1799: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1))
1800: return;
1801:
1802: if (ctx->xoff + ctx->ocx - ctx->ox > tty->sx - 1 &&
1.306 nicm 1803: ctx->ocy == ctx->orlower &&
1804: tty_pane_full_width(tty, ctx))
1805: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 1806:
1.306 nicm 1807: tty_margin_off(tty);
1.253 nicm 1808: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1809:
1.237 nicm 1810: tty_cell(tty, ctx->cell, ctx->wp);
1.239 nicm 1811: }
1812:
1813: void
1814: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
1815: {
1.309 nicm 1816: struct window_pane *wp = ctx->wp;
1817:
1818: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
1819: return;
1820:
1821: if (ctx->bigger &&
1822: (ctx->xoff + ctx->ocx < ctx->ox ||
1823: ctx->xoff + ctx->ocx + ctx->num > ctx->ox + ctx->sx)) {
1824: if (!ctx->wrapped ||
1825: !tty_pane_full_width(tty, ctx) ||
1.337 nicm 1826: (tty->term->flags & TERM_NOXENL) ||
1.309 nicm 1827: ctx->xoff + ctx->ocx != 0 ||
1828: ctx->yoff + ctx->ocy != tty->cy + 1 ||
1829: tty->cx < tty->sx ||
1830: tty->cy == tty->rlower)
1831: tty_draw_pane(tty, ctx, ctx->ocy);
1832: else
1833: wp->flags |= PANE_REDRAW;
1834: return;
1835: }
1836:
1.306 nicm 1837: tty_margin_off(tty);
1.253 nicm 1838: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.239 nicm 1839:
1840: tty_attributes(tty, ctx->cell, ctx->wp);
1841: tty_putn(tty, ctx->ptr, ctx->num, ctx->num);
1.106 nicm 1842: }
1843:
1844: void
1845: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
1846: {
1847: char *buf;
1848: size_t off;
1849:
1850: if (!tty_term_has(tty->term, TTYC_MS))
1851: return;
1852:
1853: off = 4 * ((ctx->num + 2) / 3) + 1; /* storage for base64 */
1854: buf = xmalloc(off);
1855:
1856: b64_ntop(ctx->ptr, ctx->num, buf, off);
1857: tty_putcode_ptr2(tty, TTYC_MS, "", buf);
1858:
1.138 nicm 1859: free(buf);
1.100 nicm 1860: }
1861:
1862: void
1863: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
1864: {
1.256 nicm 1865: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 1866: tty_invalidate(tty);
1.1 nicm 1867: }
1868:
1.207 nicm 1869: static void
1.317 nicm 1870: tty_cell(struct tty *tty, const struct grid_cell *gc, struct window_pane *wp)
1.1 nicm 1871: {
1.298 nicm 1872: const struct grid_cell *gcp;
1.1 nicm 1873:
1874: /* Skip last character if terminal is stupid. */
1.337 nicm 1875: if ((tty->term->flags & TERM_NOXENL) &&
1.211 nicm 1876: tty->cy == tty->sy - 1 &&
1877: tty->cx == tty->sx - 1)
1.1 nicm 1878: return;
1879:
1880: /* If this is a padding character, do nothing. */
1881: if (gc->flags & GRID_FLAG_PADDING)
1882: return;
1883:
1884: /* Set the attributes. */
1.176 nicm 1885: tty_attributes(tty, gc, wp);
1.1 nicm 1886:
1.147 nicm 1887: /* Get the cell and if ASCII write with putc to do ACS translation. */
1.298 nicm 1888: gcp = tty_check_codeset(tty, gc);
1889: if (gcp->data.size == 1) {
1890: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 1891: return;
1.298 nicm 1892: tty_putc(tty, *gcp->data.data);
1.1 nicm 1893: return;
1894: }
1895:
1.147 nicm 1896: /* Write the data. */
1.298 nicm 1897: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 1898: }
1899:
1900: void
1901: tty_reset(struct tty *tty)
1902: {
1903: struct grid_cell *gc = &tty->cell;
1904:
1.228 nicm 1905: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.285 nicm 1906: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 1907: tty_putcode(tty, TTYC_RMACS);
1908: tty_putcode(tty, TTYC_SGR0);
1909: memcpy(gc, &grid_default_cell, sizeof *gc);
1910: }
1.1 nicm 1911:
1.228 nicm 1912: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1913: tty->last_wp = -1;
1.242 nicm 1914: }
1915:
1916: static void
1917: tty_invalidate(struct tty *tty)
1918: {
1919: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
1920:
1921: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1922: tty->last_wp = -1;
1923:
1924: tty->cx = tty->cy = UINT_MAX;
1925:
1926: tty->rupper = tty->rleft = UINT_MAX;
1927: tty->rlower = tty->rright = UINT_MAX;
1928:
1929: if (tty->flags & TTY_STARTED) {
1.330 nicm 1930: if (tty_use_margin(tty))
1931: tty_puts(tty, "\033[?69h"); /* DECLRMM */
1.242 nicm 1932: tty_putcode(tty, TTYC_SGR0);
1933:
1934: tty->mode = ALL_MODES;
1935: tty_update_mode(tty, MODE_CURSOR, NULL);
1936:
1937: tty_cursor(tty, 0, 0);
1938: tty_region_off(tty);
1939: tty_margin_off(tty);
1940: } else
1941: tty->mode = MODE_CURSOR;
1.1 nicm 1942: }
1943:
1.214 nicm 1944: /* Turn off margin. */
1945: void
1946: tty_region_off(struct tty *tty)
1947: {
1948: tty_region(tty, 0, tty->sy - 1);
1949: }
1950:
1.40 nicm 1951: /* Set region inside pane. */
1.208 nicm 1952: static void
1.196 nicm 1953: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
1954: u_int rlower)
1.1 nicm 1955: {
1.309 nicm 1956: tty_region(tty, ctx->yoff + rupper - ctx->oy,
1957: ctx->yoff + rlower - ctx->oy);
1.39 nicm 1958: }
1959:
1.40 nicm 1960: /* Set region at absolute position. */
1.214 nicm 1961: static void
1.40 nicm 1962: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 1963: {
1964: if (tty->rlower == rlower && tty->rupper == rupper)
1965: return;
1.1 nicm 1966: if (!tty_term_has(tty->term, TTYC_CSR))
1967: return;
1.39 nicm 1968:
1969: tty->rupper = rupper;
1970: tty->rlower = rlower;
1.55 nicm 1971:
1972: /*
1973: * Some terminals (such as PuTTY) do not correctly reset the cursor to
1974: * 0,0 if it is beyond the last column (they do not reset their wrap
1975: * flag so further output causes a line feed). As a workaround, do an
1976: * explicit move to 0 first.
1977: */
1978: if (tty->cx >= tty->sx)
1979: tty_cursor(tty, 0, tty->cy);
1.42 nicm 1980:
1.39 nicm 1981: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 1982: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 1983: }
1984:
1.214 nicm 1985: /* Turn off margin. */
1986: void
1987: tty_margin_off(struct tty *tty)
1988: {
1989: tty_margin(tty, 0, tty->sx - 1);
1990: }
1991:
1.212 nicm 1992: /* Set margin inside pane. */
1993: static void
1994: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
1995: {
1.309 nicm 1996: tty_margin(tty, ctx->xoff - ctx->ox,
1997: ctx->xoff + ctx->wp->sx - 1 - ctx->ox);
1.212 nicm 1998: }
1999:
2000: /* Set margin at absolute position. */
1.214 nicm 2001: static void
1.212 nicm 2002: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2003: {
2004: char s[64];
2005:
2006: if (!tty_use_margin(tty))
2007: return;
2008: if (tty->rleft == rleft && tty->rright == rright)
2009: return;
2010:
1.232 nicm 2011: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2012:
1.212 nicm 2013: tty->rleft = rleft;
2014: tty->rright = rright;
2015:
1.232 nicm 2016: if (rleft == 0 && rright == tty->sx - 1)
2017: snprintf(s, sizeof s, "\033[s");
2018: else
2019: snprintf(s, sizeof s, "\033[%u;%us", rleft + 1, rright + 1);
1.212 nicm 2020: tty_puts(tty, s);
1.249 nicm 2021: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2022: }
2023:
2024: /*
2025: * Move the cursor, unless it would wrap itself when the next character is
2026: * printed.
2027: */
2028: static void
2029: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2030: u_int cx, u_int cy)
2031: {
1.268 nicm 2032: if (!ctx->wrapped ||
2033: !tty_pane_full_width(tty, ctx) ||
1.337 nicm 2034: (tty->term->flags & TERM_NOXENL) ||
1.253 nicm 2035: ctx->xoff + cx != 0 ||
2036: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2037: tty->cx < tty->sx ||
2038: tty->cy == tty->rlower)
1.253 nicm 2039: tty_cursor_pane(tty, ctx, cx, cy);
2040: else
2041: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2042: }
2043:
1.42 nicm 2044: /* Move cursor inside pane. */
1.208 nicm 2045: static void
1.41 nicm 2046: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2047: {
1.309 nicm 2048: tty_cursor(tty, ctx->xoff + cx - ctx->ox, ctx->yoff + cy - ctx->oy);
1.41 nicm 2049: }
2050:
1.42 nicm 2051: /* Move cursor to absolute position. */
1.41 nicm 2052: void
2053: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2054: {
1.42 nicm 2055: struct tty_term *term = tty->term;
2056: u_int thisx, thisy;
2057: int change;
1.77 nicm 2058:
1.42 nicm 2059: if (cx > tty->sx - 1)
2060: cx = tty->sx - 1;
2061:
2062: thisx = tty->cx;
2063: thisy = tty->cy;
2064:
2065: /* No change. */
2066: if (cx == thisx && cy == thisy)
2067: return;
2068:
1.43 nicm 2069: /* Very end of the line, just use absolute movement. */
2070: if (thisx > tty->sx - 1)
2071: goto absolute;
2072:
1.42 nicm 2073: /* Move to home position (0, 0). */
2074: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2075: tty_putcode(tty, TTYC_HOME);
2076: goto out;
2077: }
2078:
2079: /* Zero on the next line. */
1.293 nicm 2080: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2081: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2082: tty_putc(tty, '\r');
1.42 nicm 2083: tty_putc(tty, '\n');
2084: goto out;
2085: }
2086:
1.45 nicm 2087: /* Moving column or row. */
1.42 nicm 2088: if (cy == thisy) {
1.45 nicm 2089: /*
2090: * Moving column only, row staying the same.
2091: */
2092:
1.42 nicm 2093: /* To left edge. */
1.294 nicm 2094: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2095: tty_putc(tty, '\r');
2096: goto out;
2097: }
2098:
2099: /* One to the left. */
2100: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2101: tty_putcode(tty, TTYC_CUB1);
2102: goto out;
2103: }
2104:
2105: /* One to the right. */
2106: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2107: tty_putcode(tty, TTYC_CUF1);
2108: goto out;
2109: }
2110:
2111: /* Calculate difference. */
2112: change = thisx - cx; /* +ve left, -ve right */
2113:
2114: /*
2115: * Use HPA if change is larger than absolute, otherwise move
2116: * the cursor with CUB/CUF.
2117: */
1.87 nicm 2118: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2119: tty_putcode1(tty, TTYC_HPA, cx);
2120: goto out;
1.333 nicm 2121: } else if (change > 0 &&
2122: tty_term_has(term, TTYC_CUB) &&
2123: !tty_use_margin(tty)) {
1.202 nicm 2124: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2125: tty_putcode(tty, TTYC_CUB1);
2126: tty_putcode(tty, TTYC_CUB1);
2127: goto out;
2128: }
1.42 nicm 2129: tty_putcode1(tty, TTYC_CUB, change);
2130: goto out;
1.333 nicm 2131: } else if (change < 0 &&
2132: tty_term_has(term, TTYC_CUF) &&
2133: !tty_use_margin(tty)) {
1.42 nicm 2134: tty_putcode1(tty, TTYC_CUF, -change);
2135: goto out;
2136: }
1.45 nicm 2137: } else if (cx == thisx) {
2138: /*
2139: * Moving row only, column staying the same.
2140: */
1.42 nicm 2141:
2142: /* One above. */
1.77 nicm 2143: if (thisy != tty->rupper &&
1.42 nicm 2144: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2145: tty_putcode(tty, TTYC_CUU1);
2146: goto out;
2147: }
2148:
2149: /* One below. */
1.49 nicm 2150: if (thisy != tty->rlower &&
1.42 nicm 2151: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2152: tty_putcode(tty, TTYC_CUD1);
2153: goto out;
2154: }
2155:
2156: /* Calculate difference. */
2157: change = thisy - cy; /* +ve up, -ve down */
2158:
2159: /*
1.77 nicm 2160: * Try to use VPA if change is larger than absolute or if this
2161: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2162: */
1.87 nicm 2163: if ((u_int) abs(change) > cy ||
1.42 nicm 2164: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2165: (change > 0 && cy - change < tty->rupper)) {
2166: if (tty_term_has(term, TTYC_VPA)) {
2167: tty_putcode1(tty, TTYC_VPA, cy);
2168: goto out;
2169: }
1.42 nicm 2170: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2171: tty_putcode1(tty, TTYC_CUU, change);
2172: goto out;
2173: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2174: tty_putcode1(tty, TTYC_CUD, -change);
2175: goto out;
2176: }
2177: }
2178:
1.43 nicm 2179: absolute:
1.42 nicm 2180: /* Absolute movement. */
2181: tty_putcode2(tty, TTYC_CUP, cy, cx);
2182:
2183: out:
2184: tty->cx = cx;
2185: tty->cy = cy;
1.1 nicm 2186: }
2187:
2188: void
1.176 nicm 2189: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.317 nicm 2190: struct window_pane *wp)
1.1 nicm 2191: {
1.63 nicm 2192: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2193: int changed;
1.61 nicm 2194:
1.228 nicm 2195: /* Ignore cell if it is the same as the last one. */
2196: if (wp != NULL &&
2197: (int)wp->id == tty->last_wp &&
1.326 nicm 2198: ~(wp->flags & PANE_STYLECHANGED) &&
1.228 nicm 2199: gc->attr == tty->last_cell.attr &&
2200: gc->fg == tty->last_cell.fg &&
1.328 nicm 2201: gc->bg == tty->last_cell.bg &&
2202: gc->us == tty->last_cell.us)
1.228 nicm 2203: return;
2204: tty->last_wp = (wp != NULL ? (int)wp->id : -1);
2205: memcpy(&tty->last_cell, gc, sizeof tty->last_cell);
2206:
2207: /* Copy cell and update default colours. */
1.85 nicm 2208: memcpy(&gc2, gc, sizeof gc2);
1.203 nicm 2209: if (wp != NULL)
2210: tty_default_colours(&gc2, wp);
1.63 nicm 2211:
1.18 nicm 2212: /*
2213: * If no setab, try to use the reverse attribute as a best-effort for a
2214: * non-default background. This is a bit of a hack but it doesn't do
2215: * any serious harm and makes a couple of applications happier.
2216: */
2217: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2218: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2219: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2220: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2221: } else {
1.310 nicm 2222: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2223: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2224: }
2225: }
1.1 nicm 2226:
1.85 nicm 2227: /* Fix up the colours if necessary. */
1.219 nicm 2228: tty_check_fg(tty, wp, &gc2);
2229: tty_check_bg(tty, wp, &gc2);
1.328 nicm 2230: tty_check_us(tty, wp, &gc2);
1.85 nicm 2231:
1.328 nicm 2232: /*
2233: * If any bits are being cleared or the underline colour is now default,
2234: * reset everything.
2235: */
2236: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2237: tty_reset(tty);
2238:
2239: /*
2240: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2241: * may add to (NOT remove) the desired attributes.
1.64 nicm 2242: */
1.85 nicm 2243: tty_colours(tty, &gc2);
1.64 nicm 2244:
1.1 nicm 2245: /* Filter out attribute bits already set. */
1.85 nicm 2246: changed = gc2.attr & ~tc->attr;
2247: tc->attr = gc2.attr;
1.1 nicm 2248:
2249: /* Set the attributes. */
2250: if (changed & GRID_ATTR_BRIGHT)
2251: tty_putcode(tty, TTYC_BOLD);
2252: if (changed & GRID_ATTR_DIM)
2253: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2254: if (changed & GRID_ATTR_ITALICS)
2255: tty_set_italics(tty);
1.308 nicm 2256: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2257: if ((changed & GRID_ATTR_UNDERSCORE) ||
2258: !tty_term_has(tty->term, TTYC_SMULX))
2259: tty_putcode(tty, TTYC_SMUL);
2260: else if (changed & GRID_ATTR_UNDERSCORE_2)
2261: tty_putcode1(tty, TTYC_SMULX, 2);
2262: else if (changed & GRID_ATTR_UNDERSCORE_3)
2263: tty_putcode1(tty, TTYC_SMULX, 3);
2264: else if (changed & GRID_ATTR_UNDERSCORE_4)
2265: tty_putcode1(tty, TTYC_SMULX, 4);
2266: else if (changed & GRID_ATTR_UNDERSCORE_5)
2267: tty_putcode1(tty, TTYC_SMULX, 5);
2268: }
1.1 nicm 2269: if (changed & GRID_ATTR_BLINK)
2270: tty_putcode(tty, TTYC_BLINK);
2271: if (changed & GRID_ATTR_REVERSE) {
2272: if (tty_term_has(tty->term, TTYC_REV))
2273: tty_putcode(tty, TTYC_REV);
2274: else if (tty_term_has(tty->term, TTYC_SMSO))
2275: tty_putcode(tty, TTYC_SMSO);
2276: }
2277: if (changed & GRID_ATTR_HIDDEN)
2278: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2279: if (changed & GRID_ATTR_STRIKETHROUGH)
2280: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2281: if (changed & GRID_ATTR_OVERLINE)
2282: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2283: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2284: tty_putcode(tty, TTYC_SMACS);
2285: }
2286:
1.207 nicm 2287: static void
1.85 nicm 2288: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2289: {
1.61 nicm 2290: struct grid_cell *tc = &tty->cell;
1.204 nicm 2291: int have_ax;
1.61 nicm 2292:
2293: /* No changes? Nothing is necessary. */
1.328 nicm 2294: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2295: return;
1.1 nicm 2296:
1.61 nicm 2297: /*
2298: * Is either the default colour? This is handled specially because the
2299: * best solution might be to reset both colours to default, in which
2300: * case if only one is default need to fall onward to set the other
2301: * colour.
2302: */
1.310 nicm 2303: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2304: /*
2305: * If don't have AX but do have op, send sgr0 (op can't
2306: * actually be used because it is sometimes the same as sgr0
2307: * and sometimes isn't). This resets both colours to default.
2308: *
2309: * Otherwise, try to set the default colour only as needed.
2310: */
1.174 nicm 2311: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2312: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2313: tty_reset(tty);
2314: else {
1.310 nicm 2315: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2316: if (have_ax)
2317: tty_puts(tty, "\033[39m");
1.204 nicm 2318: else if (tc->fg != 7)
1.61 nicm 2319: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2320: tc->fg = gc->fg;
1.61 nicm 2321: }
1.310 nicm 2322: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2323: if (have_ax)
1.61 nicm 2324: tty_puts(tty, "\033[49m");
1.204 nicm 2325: else if (tc->bg != 0)
1.61 nicm 2326: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2327: tc->bg = gc->bg;
1.61 nicm 2328: }
2329: }
2330: }
1.1 nicm 2331:
1.61 nicm 2332: /* Set the foreground colour. */
1.310 nicm 2333: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2334: tty_colours_fg(tty, gc);
1.1 nicm 2335:
1.61 nicm 2336: /*
2337: * Set the background colour. This must come after the foreground as
2338: * tty_colour_fg() can call tty_reset().
2339: */
1.310 nicm 2340: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2341: tty_colours_bg(tty, gc);
1.328 nicm 2342:
2343: /* Set the underscore color. */
2344: if (gc->us != tc->us)
2345: tty_colours_us(tty, gc);
1.1 nicm 2346: }
2347:
1.219 nicm 2348: static void
1.317 nicm 2349: tty_check_fg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2350: {
1.204 nicm 2351: u_char r, g, b;
2352: u_int colours;
1.223 nicm 2353: int c;
1.85 nicm 2354:
1.288 nicm 2355: /*
2356: * Perform substitution if this pane has a palette. If the bright
2357: * attribute is set, use the bright entry in the palette by changing to
2358: * the aixterm colour.
2359: */
2360: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2361: c = gc->fg;
1.289 nicm 2362: if (c < 8 && gc->attr & GRID_ATTR_BRIGHT)
1.288 nicm 2363: c += 90;
2364: if ((c = window_pane_get_palette(wp, c)) != -1)
2365: gc->fg = c;
2366: }
1.219 nicm 2367:
1.199 nicm 2368: /* Is this a 24-bit colour? */
1.204 nicm 2369: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2370: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.286 nicm 2371: if (!tty_term_has(tty->term, TTYC_SETRGBF)) {
1.204 nicm 2372: colour_split_rgb(gc->fg, &r, &g, &b);
2373: gc->fg = colour_find_rgb(r, g, b);
2374: } else
1.200 nicm 2375: return;
1.199 nicm 2376: }
1.224 nicm 2377:
2378: /* How many colours does this terminal have? */
2379: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2380: colours = 256;
2381: else
2382: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2383:
1.85 nicm 2384: /* Is this a 256-colour colour? */
1.204 nicm 2385: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2386: /* And not a 256 colour mode? */
1.224 nicm 2387: if (colours != 256) {
1.85 nicm 2388: gc->fg = colour_256to16(gc->fg);
2389: if (gc->fg & 8) {
2390: gc->fg &= 7;
1.175 nicm 2391: if (colours >= 16)
2392: gc->fg += 90;
1.332 nicm 2393: }
1.85 nicm 2394: }
2395: return;
2396: }
2397:
2398: /* Is this an aixterm colour? */
2399: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2400: gc->fg -= 90;
2401: gc->attr |= GRID_ATTR_BRIGHT;
2402: }
2403: }
2404:
1.219 nicm 2405: static void
1.317 nicm 2406: tty_check_bg(struct tty *tty, struct window_pane *wp, struct grid_cell *gc)
1.85 nicm 2407: {
1.204 nicm 2408: u_char r, g, b;
2409: u_int colours;
1.223 nicm 2410: int c;
1.85 nicm 2411:
1.288 nicm 2412: /* Perform substitution if this pane has a palette. */
2413: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2414: if ((c = window_pane_get_palette(wp, gc->bg)) != -1)
2415: gc->bg = c;
2416: }
1.219 nicm 2417:
1.199 nicm 2418: /* Is this a 24-bit colour? */
1.204 nicm 2419: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2420: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.286 nicm 2421: if (!tty_term_has(tty->term, TTYC_SETRGBB)) {
1.204 nicm 2422: colour_split_rgb(gc->bg, &r, &g, &b);
2423: gc->bg = colour_find_rgb(r, g, b);
2424: } else
1.200 nicm 2425: return;
1.199 nicm 2426: }
1.224 nicm 2427:
2428: /* How many colours does this terminal have? */
2429: if ((tty->term->flags|tty->term_flags) & TERM_256COLOURS)
2430: colours = 256;
2431: else
2432: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2433:
1.85 nicm 2434: /* Is this a 256-colour colour? */
1.204 nicm 2435: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2436: /*
2437: * And not a 256 colour mode? Translate to 16-colour
2438: * palette. Bold background doesn't exist portably, so just
2439: * discard the bold bit if set.
2440: */
1.224 nicm 2441: if (colours != 256) {
1.85 nicm 2442: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2443: if (gc->bg & 8) {
1.85 nicm 2444: gc->bg &= 7;
1.175 nicm 2445: if (colours >= 16)
1.322 nicm 2446: gc->bg += 90;
1.175 nicm 2447: }
1.85 nicm 2448: }
2449: return;
2450: }
2451:
2452: /* Is this an aixterm colour? */
1.175 nicm 2453: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2454: gc->bg -= 90;
2455: }
2456:
1.207 nicm 2457: static void
1.335 nicm 2458: tty_check_us(__unused struct tty *tty, struct window_pane *wp,
2459: struct grid_cell *gc)
1.328 nicm 2460: {
2461: int c;
2462:
2463: /* Perform substitution if this pane has a palette. */
2464: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2465: if ((c = window_pane_get_palette(wp, gc->us)) != -1)
2466: gc->us = c;
2467: }
2468:
2469: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2470: if (gc->us & COLOUR_FLAG_256)
2471: gc->us = colour_256toRGB (gc->us);
2472: }
2473:
2474: static void
1.85 nicm 2475: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2476: {
1.61 nicm 2477: struct grid_cell *tc = &tty->cell;
1.79 nicm 2478: char s[32];
1.1 nicm 2479:
1.204 nicm 2480: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2481: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2482: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.61 nicm 2483: goto save_fg;
1.199 nicm 2484: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2485: return;
1.1 nicm 2486: }
2487:
1.79 nicm 2488: /* Is this an aixterm bright colour? */
1.204 nicm 2489: if (gc->fg >= 90 && gc->fg <= 97) {
1.323 nicm 2490: if (tty->term_flags & TERM_256COLOURS) {
2491: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2492: tty_puts(tty, s);
2493: } else
2494: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.85 nicm 2495: goto save_fg;
1.79 nicm 2496: }
2497:
1.61 nicm 2498: /* Otherwise set the foreground colour. */
1.204 nicm 2499: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2500:
1.77 nicm 2501: save_fg:
1.61 nicm 2502: /* Save the new values in the terminal current cell. */
1.204 nicm 2503: tc->fg = gc->fg;
1.1 nicm 2504: }
2505:
1.207 nicm 2506: static void
1.73 nicm 2507: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2508: {
1.61 nicm 2509: struct grid_cell *tc = &tty->cell;
1.79 nicm 2510: char s[32];
1.1 nicm 2511:
1.204 nicm 2512: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2513: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2514: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.61 nicm 2515: goto save_bg;
1.199 nicm 2516: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2517: return;
1.79 nicm 2518: }
2519:
2520: /* Is this an aixterm bright colour? */
1.204 nicm 2521: if (gc->bg >= 90 && gc->bg <= 97) {
1.323 nicm 2522: if (tty->term_flags & TERM_256COLOURS) {
2523: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2524: tty_puts(tty, s);
2525: } else
2526: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.175 nicm 2527: goto save_bg;
1.1 nicm 2528: }
2529:
1.61 nicm 2530: /* Otherwise set the background colour. */
1.204 nicm 2531: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2532:
2533: save_bg:
2534: /* Save the new values in the terminal current cell. */
1.204 nicm 2535: tc->bg = gc->bg;
1.328 nicm 2536: }
2537:
2538: static void
2539: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2540: {
2541: struct grid_cell *tc = &tty->cell;
2542: u_int c;
2543: u_char r, g, b;
2544:
2545: /* Must be an RGB colour - this should never happen. */
2546: if (~gc->us & COLOUR_FLAG_RGB)
2547: return;
2548:
2549: /*
2550: * Setulc follows the ncurses(3) one argument "direct colour"
2551: * capability format. Calculate the colour value.
2552: */
2553: colour_split_rgb(gc->us, &r, &g, &b);
2554: c = (65536 * r) + (256 * g) + b;
2555:
2556: /* Write the colour. */
2557: tty_putcode1(tty, TTYC_SETULC, c);
2558:
2559: /* Save the new values in the terminal current cell. */
2560: tc->us = gc->us;
1.61 nicm 2561: }
2562:
1.207 nicm 2563: static int
1.204 nicm 2564: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2565: {
1.204 nicm 2566: u_char r, g, b;
1.61 nicm 2567: char s[32];
2568:
1.204 nicm 2569: if (colour & COLOUR_FLAG_256) {
2570: /*
1.300 nicm 2571: * If the user has specified -2 to the client (meaning
2572: * TERM_256COLOURS is set), setaf and setab may not work (or
2573: * they may not want to use them), so send the usual sequence.
2574: *
2575: * Also if RGB is set, setaf and setab do not support the 256
2576: * colour palette so use the sequences directly there too.
1.204 nicm 2577: */
1.300 nicm 2578: if ((tty->term_flags & TERM_256COLOURS) ||
2579: tty_term_has(tty->term, TTYC_RGB))
1.204 nicm 2580: goto fallback_256;
1.189 nicm 2581:
1.204 nicm 2582: /*
2583: * If the terminfo entry has 256 colours and setaf and setab
2584: * exist, assume that they work correctly.
2585: */
2586: if (tty->term->flags & TERM_256COLOURS) {
2587: if (*type == '3') {
2588: if (!tty_term_has(tty->term, TTYC_SETAF))
2589: goto fallback_256;
2590: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2591: } else {
2592: if (!tty_term_has(tty->term, TTYC_SETAB))
2593: goto fallback_256;
2594: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2595: }
2596: return (0);
1.188 nicm 2597: }
1.204 nicm 2598: goto fallback_256;
2599: }
2600:
2601: if (colour & COLOUR_FLAG_RGB) {
1.286 nicm 2602: if (*type == '3') {
2603: if (!tty_term_has(tty->term, TTYC_SETRGBF))
2604: return (-1);
2605: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
2606: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
2607: } else {
2608: if (!tty_term_has(tty->term, TTYC_SETRGBB))
2609: return (-1);
2610: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
2611: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
2612: }
1.165 nicm 2613: return (0);
2614: }
1.61 nicm 2615:
1.165 nicm 2616: return (-1);
1.188 nicm 2617:
1.204 nicm 2618: fallback_256:
2619: xsnprintf(s, sizeof s, "\033[%s;5;%dm", type, colour & 0xff);
1.300 nicm 2620: log_debug("%s: 256 colour fallback: %s", tty->client->name, s);
1.188 nicm 2621: tty_puts(tty, s);
2622: return (0);
1.176 nicm 2623: }
2624:
1.207 nicm 2625: static void
1.317 nicm 2626: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2627: {
1.326 nicm 2628: struct options *oo = wp->options;
2629: struct style *style, *active_style;
2630: int c;
2631:
2632: if (wp->flags & PANE_STYLECHANGED) {
2633: wp->flags &= ~PANE_STYLECHANGED;
2634:
2635: active_style = options_get_style(oo, "window-active-style");
2636: style = options_get_style(oo, "window-style");
2637:
2638: style_copy(&wp->cached_active_style, active_style);
2639: style_copy(&wp->cached_style, style);
1.203 nicm 2640: } else {
1.326 nicm 2641: active_style = &wp->cached_active_style;
2642: style = &wp->cached_style;
1.203 nicm 2643: }
1.176 nicm 2644:
1.204 nicm 2645: if (gc->fg == 8) {
1.326 nicm 2646: if (wp == wp->window->active && active_style->gc.fg != 8)
2647: gc->fg = active_style->gc.fg;
1.204 nicm 2648: else
1.326 nicm 2649: gc->fg = style->gc.fg;
1.219 nicm 2650:
1.310 nicm 2651: if (gc->fg != 8) {
2652: c = window_pane_get_palette(wp, gc->fg);
2653: if (c != -1)
2654: gc->fg = c;
2655: }
1.176 nicm 2656: }
2657:
1.204 nicm 2658: if (gc->bg == 8) {
1.326 nicm 2659: if (wp == wp->window->active && active_style->gc.bg != 8)
2660: gc->bg = active_style->gc.bg;
1.204 nicm 2661: else
1.326 nicm 2662: gc->bg = style->gc.bg;
1.219 nicm 2663:
1.310 nicm 2664: if (gc->bg != 8) {
2665: c = window_pane_get_palette(wp, gc->bg);
2666: if (c != -1)
2667: gc->bg = c;
2668: }
1.176 nicm 2669: }
1.210 nicm 2670: }
2671:
2672: static void
1.317 nicm 2673: tty_default_attributes(struct tty *tty, struct window_pane *wp, u_int bg)
1.210 nicm 2674: {
2675: static struct grid_cell gc;
2676:
2677: memcpy(&gc, &grid_default_cell, sizeof gc);
2678: gc.bg = bg;
2679: tty_attributes(tty, &gc, wp);
1.1 nicm 2680: }
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