xref: /openbsd-src/usr.bin/tmux/tmux.h (revision 3374c67d44f9b75b98444cbf63020f777792342e)
1 /* $OpenBSD: tmux.h,v 1.1190 2023/01/06 07:09:27 nicm Exp $ */
2 
3 /*
4  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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 #ifndef TMUX_H
20 #define TMUX_H
21 
22 #include <sys/time.h>
23 #include <sys/queue.h>
24 #include <sys/tree.h>
25 
26 #include <bitstring.h>
27 #include <event.h>
28 #include <limits.h>
29 #include <stdarg.h>
30 #include <stdint.h>
31 #include <stdio.h>
32 #include <termios.h>
33 
34 #include "tmux-protocol.h"
35 #include "xmalloc.h"
36 
37 extern char   **environ;
38 
39 struct args;
40 struct args_command_state;
41 struct client;
42 struct cmd;
43 struct cmd_find_state;
44 struct cmdq_item;
45 struct cmdq_list;
46 struct cmdq_state;
47 struct cmds;
48 struct control_state;
49 struct environ;
50 struct format_job_tree;
51 struct format_tree;
52 struct hyperlinks_uri;
53 struct hyperlinks;
54 struct input_ctx;
55 struct job;
56 struct menu_data;
57 struct mode_tree_data;
58 struct mouse_event;
59 struct options;
60 struct options_array_item;
61 struct options_entry;
62 struct screen_write_citem;
63 struct screen_write_cline;
64 struct screen_write_ctx;
65 struct session;
66 struct tty_ctx;
67 struct tty_code;
68 struct tty_key;
69 struct tmuxpeer;
70 struct tmuxproc;
71 struct winlink;
72 
73 /* Default configuration files and socket paths. */
74 #ifndef TMUX_CONF
75 #define TMUX_CONF "/etc/tmux.conf:~/.tmux.conf"
76 #endif
77 #ifndef TMUX_SOCK
78 #define TMUX_SOCK "$TMUX_TMPDIR:" _PATH_TMP
79 #endif
80 #ifndef TMUX_TERM
81 #define TMUX_TERM "screen"
82 #endif
83 
84 /* Minimum layout cell size, NOT including border lines. */
85 #define PANE_MINIMUM 1
86 
87 /* Minimum and maximum window size. */
88 #define WINDOW_MINIMUM PANE_MINIMUM
89 #define WINDOW_MAXIMUM 10000
90 
91 /* Automatic name refresh interval, in microseconds. Must be < 1 second. */
92 #define NAME_INTERVAL 500000
93 
94 /* Default pixel cell sizes. */
95 #define DEFAULT_XPIXEL 16
96 #define DEFAULT_YPIXEL 32
97 
98 /* Attribute to make GCC check printf-like arguments. */
99 #define printflike(a, b) __attribute__ ((format (printf, a, b)))
100 
101 /* Number of items in array. */
102 #ifndef nitems
103 #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
104 #endif
105 
106 /* Alert option values. */
107 #define ALERT_NONE 0
108 #define ALERT_ANY 1
109 #define ALERT_CURRENT 2
110 #define ALERT_OTHER 3
111 
112 /* Visual option values. */
113 #define VISUAL_OFF 0
114 #define VISUAL_ON 1
115 #define VISUAL_BOTH 2
116 
117 /* No key or unknown key. */
118 #define KEYC_NONE            0x000ff000000000ULL
119 #define KEYC_UNKNOWN         0x000fe000000000ULL
120 
121 /*
122  * Base for special (that is, not Unicode) keys. An enum must be at most a
123  * signed int, so these are based in the highest Unicode PUA.
124  */
125 #define KEYC_BASE            0x0000000010e000ULL
126 #define KEYC_USER            0x0000000010f000ULL
127 
128 /* Key modifier bits. */
129 #define KEYC_META            0x00100000000000ULL
130 #define KEYC_CTRL            0x00200000000000ULL
131 #define KEYC_SHIFT           0x00400000000000ULL
132 
133 /* Key flag bits. */
134 #define KEYC_LITERAL         0x01000000000000ULL
135 #define KEYC_KEYPAD          0x02000000000000ULL
136 #define KEYC_CURSOR          0x04000000000000ULL
137 #define KEYC_IMPLIED_META    0x08000000000000ULL
138 #define KEYC_BUILD_MODIFIERS 0x10000000000000ULL
139 #define KEYC_VI              0x20000000000000ULL
140 #define KEYC_EXTENDED        0x40000000000000ULL
141 
142 /* Masks for key bits. */
143 #define KEYC_MASK_MODIFIERS  0x00f00000000000ULL
144 #define KEYC_MASK_FLAGS      0xff000000000000ULL
145 #define KEYC_MASK_KEY        0x000fffffffffffULL
146 
147 /* Available user keys. */
148 #define KEYC_NUSER 1000
149 
150 /* Is this a mouse key? */
151 #define KEYC_IS_MOUSE(key) \
152 	(((key) & KEYC_MASK_KEY) >= KEYC_MOUSE && \
153 	 ((key) & KEYC_MASK_KEY) < KEYC_BSPACE)
154 
155 /* Is this a Unicode key? */
156 #define KEYC_IS_UNICODE(key) \
157 	(((key) & KEYC_MASK_KEY) > 0x7f && \
158 	 (((key) & KEYC_MASK_KEY) < KEYC_BASE || \
159 	  ((key) & KEYC_MASK_KEY) >= KEYC_BASE_END))
160 
161 /* Multiple click timeout. */
162 #define KEYC_CLICK_TIMEOUT 300
163 
164 /* Mouse key codes. */
165 #define KEYC_MOUSE_KEY(name)					\
166 	KEYC_ ## name ## _PANE,					\
167 	KEYC_ ## name ## _STATUS,				\
168 	KEYC_ ## name ## _STATUS_LEFT,				\
169 	KEYC_ ## name ## _STATUS_RIGHT,				\
170 	KEYC_ ## name ## _STATUS_DEFAULT,			\
171 	KEYC_ ## name ## _BORDER
172 #define KEYC_MOUSE_STRING(name, s)				\
173 	{ #s "Pane", KEYC_ ## name ## _PANE },			\
174 	{ #s "Status", KEYC_ ## name ## _STATUS },		\
175 	{ #s "StatusLeft", KEYC_ ## name ## _STATUS_LEFT },	\
176 	{ #s "StatusRight", KEYC_ ## name ## _STATUS_RIGHT },	\
177 	{ #s "StatusDefault", KEYC_ ## name ## _STATUS_DEFAULT }, \
178 	{ #s "Border", KEYC_ ## name ## _BORDER }
179 
180 /*
181  * A single key. This can be ASCII or Unicode or one of the keys between
182  * KEYC_BASE and KEYC_BASE_END.
183  */
184 typedef unsigned long long key_code;
185 
186 /* Special key codes. */
187 enum {
188 	/* Focus events. */
189 	KEYC_FOCUS_IN = KEYC_BASE,
190 	KEYC_FOCUS_OUT,
191 
192 	/* "Any" key, used if not found in key table. */
193 	KEYC_ANY,
194 
195 	/* Paste brackets. */
196 	KEYC_PASTE_START,
197 	KEYC_PASTE_END,
198 
199 	/* Mouse keys. */
200 	KEYC_MOUSE, /* unclassified mouse event */
201 	KEYC_DRAGGING, /* dragging in progress */
202 	KEYC_DOUBLECLICK, /* double click complete */
203 	KEYC_MOUSE_KEY(MOUSEMOVE),
204 	KEYC_MOUSE_KEY(MOUSEDOWN1),
205 	KEYC_MOUSE_KEY(MOUSEDOWN2),
206 	KEYC_MOUSE_KEY(MOUSEDOWN3),
207 	KEYC_MOUSE_KEY(MOUSEDOWN6),
208 	KEYC_MOUSE_KEY(MOUSEDOWN7),
209 	KEYC_MOUSE_KEY(MOUSEDOWN8),
210 	KEYC_MOUSE_KEY(MOUSEDOWN9),
211 	KEYC_MOUSE_KEY(MOUSEDOWN10),
212 	KEYC_MOUSE_KEY(MOUSEDOWN11),
213 	KEYC_MOUSE_KEY(MOUSEUP1),
214 	KEYC_MOUSE_KEY(MOUSEUP2),
215 	KEYC_MOUSE_KEY(MOUSEUP3),
216 	KEYC_MOUSE_KEY(MOUSEUP6),
217 	KEYC_MOUSE_KEY(MOUSEUP7),
218 	KEYC_MOUSE_KEY(MOUSEUP8),
219 	KEYC_MOUSE_KEY(MOUSEUP9),
220 	KEYC_MOUSE_KEY(MOUSEUP10),
221 	KEYC_MOUSE_KEY(MOUSEUP11),
222 	KEYC_MOUSE_KEY(MOUSEDRAG1),
223 	KEYC_MOUSE_KEY(MOUSEDRAG2),
224 	KEYC_MOUSE_KEY(MOUSEDRAG3),
225 	KEYC_MOUSE_KEY(MOUSEDRAG6),
226 	KEYC_MOUSE_KEY(MOUSEDRAG7),
227 	KEYC_MOUSE_KEY(MOUSEDRAG8),
228 	KEYC_MOUSE_KEY(MOUSEDRAG9),
229 	KEYC_MOUSE_KEY(MOUSEDRAG10),
230 	KEYC_MOUSE_KEY(MOUSEDRAG11),
231 	KEYC_MOUSE_KEY(MOUSEDRAGEND1),
232 	KEYC_MOUSE_KEY(MOUSEDRAGEND2),
233 	KEYC_MOUSE_KEY(MOUSEDRAGEND3),
234 	KEYC_MOUSE_KEY(MOUSEDRAGEND6),
235 	KEYC_MOUSE_KEY(MOUSEDRAGEND7),
236 	KEYC_MOUSE_KEY(MOUSEDRAGEND8),
237 	KEYC_MOUSE_KEY(MOUSEDRAGEND9),
238 	KEYC_MOUSE_KEY(MOUSEDRAGEND10),
239 	KEYC_MOUSE_KEY(MOUSEDRAGEND11),
240 	KEYC_MOUSE_KEY(WHEELUP),
241 	KEYC_MOUSE_KEY(WHEELDOWN),
242 	KEYC_MOUSE_KEY(SECONDCLICK1),
243 	KEYC_MOUSE_KEY(SECONDCLICK2),
244 	KEYC_MOUSE_KEY(SECONDCLICK3),
245 	KEYC_MOUSE_KEY(SECONDCLICK6),
246 	KEYC_MOUSE_KEY(SECONDCLICK7),
247 	KEYC_MOUSE_KEY(SECONDCLICK8),
248 	KEYC_MOUSE_KEY(SECONDCLICK9),
249 	KEYC_MOUSE_KEY(SECONDCLICK10),
250 	KEYC_MOUSE_KEY(SECONDCLICK11),
251 	KEYC_MOUSE_KEY(DOUBLECLICK1),
252 	KEYC_MOUSE_KEY(DOUBLECLICK2),
253 	KEYC_MOUSE_KEY(DOUBLECLICK3),
254 	KEYC_MOUSE_KEY(DOUBLECLICK6),
255 	KEYC_MOUSE_KEY(DOUBLECLICK7),
256 	KEYC_MOUSE_KEY(DOUBLECLICK8),
257 	KEYC_MOUSE_KEY(DOUBLECLICK9),
258 	KEYC_MOUSE_KEY(DOUBLECLICK10),
259 	KEYC_MOUSE_KEY(DOUBLECLICK11),
260 	KEYC_MOUSE_KEY(TRIPLECLICK1),
261 	KEYC_MOUSE_KEY(TRIPLECLICK2),
262 	KEYC_MOUSE_KEY(TRIPLECLICK3),
263 	KEYC_MOUSE_KEY(TRIPLECLICK6),
264 	KEYC_MOUSE_KEY(TRIPLECLICK7),
265 	KEYC_MOUSE_KEY(TRIPLECLICK8),
266 	KEYC_MOUSE_KEY(TRIPLECLICK9),
267 	KEYC_MOUSE_KEY(TRIPLECLICK10),
268 	KEYC_MOUSE_KEY(TRIPLECLICK11),
269 
270 	/* Backspace key. */
271 	KEYC_BSPACE,
272 
273 	/* Function keys. */
274 	KEYC_F1,
275 	KEYC_F2,
276 	KEYC_F3,
277 	KEYC_F4,
278 	KEYC_F5,
279 	KEYC_F6,
280 	KEYC_F7,
281 	KEYC_F8,
282 	KEYC_F9,
283 	KEYC_F10,
284 	KEYC_F11,
285 	KEYC_F12,
286 	KEYC_IC,
287 	KEYC_DC,
288 	KEYC_HOME,
289 	KEYC_END,
290 	KEYC_NPAGE,
291 	KEYC_PPAGE,
292 	KEYC_BTAB,
293 
294 	/* Arrow keys. */
295 	KEYC_UP,
296 	KEYC_DOWN,
297 	KEYC_LEFT,
298 	KEYC_RIGHT,
299 
300 	/* Numeric keypad. */
301 	KEYC_KP_SLASH,
302 	KEYC_KP_STAR,
303 	KEYC_KP_MINUS,
304 	KEYC_KP_SEVEN,
305 	KEYC_KP_EIGHT,
306 	KEYC_KP_NINE,
307 	KEYC_KP_PLUS,
308 	KEYC_KP_FOUR,
309 	KEYC_KP_FIVE,
310 	KEYC_KP_SIX,
311 	KEYC_KP_ONE,
312 	KEYC_KP_TWO,
313 	KEYC_KP_THREE,
314 	KEYC_KP_ENTER,
315 	KEYC_KP_ZERO,
316 	KEYC_KP_PERIOD,
317 
318 	/* End of special keys. */
319 	KEYC_BASE_END
320 };
321 
322 /* Termcap codes. */
323 enum tty_code_code {
324 	TTYC_ACSC,
325 	TTYC_AM,
326 	TTYC_AX,
327 	TTYC_BCE,
328 	TTYC_BEL,
329 	TTYC_BIDI,
330 	TTYC_BLINK,
331 	TTYC_BOLD,
332 	TTYC_CIVIS,
333 	TTYC_CLEAR,
334 	TTYC_CLMG,
335 	TTYC_CMG,
336 	TTYC_CNORM,
337 	TTYC_COLORS,
338 	TTYC_CR,
339 	TTYC_CS,
340 	TTYC_CSR,
341 	TTYC_CUB,
342 	TTYC_CUB1,
343 	TTYC_CUD,
344 	TTYC_CUD1,
345 	TTYC_CUF,
346 	TTYC_CUF1,
347 	TTYC_CUP,
348 	TTYC_CUU,
349 	TTYC_CUU1,
350 	TTYC_CVVIS,
351 	TTYC_DCH,
352 	TTYC_DCH1,
353 	TTYC_DIM,
354 	TTYC_DL,
355 	TTYC_DL1,
356 	TTYC_DSBP,
357 	TTYC_DSEKS,
358 	TTYC_DSFCS,
359 	TTYC_DSMG,
360 	TTYC_E3,
361 	TTYC_ECH,
362 	TTYC_ED,
363 	TTYC_EL,
364 	TTYC_EL1,
365 	TTYC_ENACS,
366 	TTYC_ENBP,
367 	TTYC_ENEKS,
368 	TTYC_ENFCS,
369 	TTYC_ENMG,
370 	TTYC_FSL,
371 	TTYC_HLS,
372 	TTYC_HOME,
373 	TTYC_HPA,
374 	TTYC_ICH,
375 	TTYC_ICH1,
376 	TTYC_IL,
377 	TTYC_IL1,
378 	TTYC_INDN,
379 	TTYC_INVIS,
380 	TTYC_KCBT,
381 	TTYC_KCUB1,
382 	TTYC_KCUD1,
383 	TTYC_KCUF1,
384 	TTYC_KCUU1,
385 	TTYC_KDC2,
386 	TTYC_KDC3,
387 	TTYC_KDC4,
388 	TTYC_KDC5,
389 	TTYC_KDC6,
390 	TTYC_KDC7,
391 	TTYC_KDCH1,
392 	TTYC_KDN2,
393 	TTYC_KDN3,
394 	TTYC_KDN4,
395 	TTYC_KDN5,
396 	TTYC_KDN6,
397 	TTYC_KDN7,
398 	TTYC_KEND,
399 	TTYC_KEND2,
400 	TTYC_KEND3,
401 	TTYC_KEND4,
402 	TTYC_KEND5,
403 	TTYC_KEND6,
404 	TTYC_KEND7,
405 	TTYC_KF1,
406 	TTYC_KF10,
407 	TTYC_KF11,
408 	TTYC_KF12,
409 	TTYC_KF13,
410 	TTYC_KF14,
411 	TTYC_KF15,
412 	TTYC_KF16,
413 	TTYC_KF17,
414 	TTYC_KF18,
415 	TTYC_KF19,
416 	TTYC_KF2,
417 	TTYC_KF20,
418 	TTYC_KF21,
419 	TTYC_KF22,
420 	TTYC_KF23,
421 	TTYC_KF24,
422 	TTYC_KF25,
423 	TTYC_KF26,
424 	TTYC_KF27,
425 	TTYC_KF28,
426 	TTYC_KF29,
427 	TTYC_KF3,
428 	TTYC_KF30,
429 	TTYC_KF31,
430 	TTYC_KF32,
431 	TTYC_KF33,
432 	TTYC_KF34,
433 	TTYC_KF35,
434 	TTYC_KF36,
435 	TTYC_KF37,
436 	TTYC_KF38,
437 	TTYC_KF39,
438 	TTYC_KF4,
439 	TTYC_KF40,
440 	TTYC_KF41,
441 	TTYC_KF42,
442 	TTYC_KF43,
443 	TTYC_KF44,
444 	TTYC_KF45,
445 	TTYC_KF46,
446 	TTYC_KF47,
447 	TTYC_KF48,
448 	TTYC_KF49,
449 	TTYC_KF5,
450 	TTYC_KF50,
451 	TTYC_KF51,
452 	TTYC_KF52,
453 	TTYC_KF53,
454 	TTYC_KF54,
455 	TTYC_KF55,
456 	TTYC_KF56,
457 	TTYC_KF57,
458 	TTYC_KF58,
459 	TTYC_KF59,
460 	TTYC_KF6,
461 	TTYC_KF60,
462 	TTYC_KF61,
463 	TTYC_KF62,
464 	TTYC_KF63,
465 	TTYC_KF7,
466 	TTYC_KF8,
467 	TTYC_KF9,
468 	TTYC_KHOM2,
469 	TTYC_KHOM3,
470 	TTYC_KHOM4,
471 	TTYC_KHOM5,
472 	TTYC_KHOM6,
473 	TTYC_KHOM7,
474 	TTYC_KHOME,
475 	TTYC_KIC2,
476 	TTYC_KIC3,
477 	TTYC_KIC4,
478 	TTYC_KIC5,
479 	TTYC_KIC6,
480 	TTYC_KIC7,
481 	TTYC_KICH1,
482 	TTYC_KIND,
483 	TTYC_KLFT2,
484 	TTYC_KLFT3,
485 	TTYC_KLFT4,
486 	TTYC_KLFT5,
487 	TTYC_KLFT6,
488 	TTYC_KLFT7,
489 	TTYC_KMOUS,
490 	TTYC_KNP,
491 	TTYC_KNXT2,
492 	TTYC_KNXT3,
493 	TTYC_KNXT4,
494 	TTYC_KNXT5,
495 	TTYC_KNXT6,
496 	TTYC_KNXT7,
497 	TTYC_KPP,
498 	TTYC_KPRV2,
499 	TTYC_KPRV3,
500 	TTYC_KPRV4,
501 	TTYC_KPRV5,
502 	TTYC_KPRV6,
503 	TTYC_KPRV7,
504 	TTYC_KRI,
505 	TTYC_KRIT2,
506 	TTYC_KRIT3,
507 	TTYC_KRIT4,
508 	TTYC_KRIT5,
509 	TTYC_KRIT6,
510 	TTYC_KRIT7,
511 	TTYC_KUP2,
512 	TTYC_KUP3,
513 	TTYC_KUP4,
514 	TTYC_KUP5,
515 	TTYC_KUP6,
516 	TTYC_KUP7,
517 	TTYC_MS,
518 	TTYC_NOBR,
519 	TTYC_OL,
520 	TTYC_OP,
521 	TTYC_RECT,
522 	TTYC_REV,
523 	TTYC_RGB,
524 	TTYC_RI,
525 	TTYC_RIN,
526 	TTYC_RMACS,
527 	TTYC_RMCUP,
528 	TTYC_RMKX,
529 	TTYC_SE,
530 	TTYC_SETAB,
531 	TTYC_SETAF,
532 	TTYC_SETAL,
533 	TTYC_SETRGBB,
534 	TTYC_SETRGBF,
535 	TTYC_SETULC,
536 	TTYC_SGR0,
537 	TTYC_SITM,
538 	TTYC_SMACS,
539 	TTYC_SMCUP,
540 	TTYC_SMKX,
541 	TTYC_SMOL,
542 	TTYC_SMSO,
543 	TTYC_SMUL,
544 	TTYC_SMULX,
545 	TTYC_SMXX,
546 	TTYC_SXL,
547 	TTYC_SS,
548 	TTYC_SWD,
549 	TTYC_SYNC,
550 	TTYC_TC,
551 	TTYC_TSL,
552 	TTYC_U8,
553 	TTYC_VPA,
554 	TTYC_XT
555 };
556 
557 /* Character classes. */
558 #define WHITESPACE " "
559 
560 /* Mode keys. */
561 #define MODEKEY_EMACS 0
562 #define MODEKEY_VI 1
563 
564 /* Modes. */
565 #define MODE_CURSOR 0x1
566 #define MODE_INSERT 0x2
567 #define MODE_KCURSOR 0x4
568 #define MODE_KKEYPAD 0x8
569 #define MODE_WRAP 0x10
570 #define MODE_MOUSE_STANDARD 0x20
571 #define MODE_MOUSE_BUTTON 0x40
572 #define MODE_CURSOR_BLINKING 0x80
573 #define MODE_MOUSE_UTF8 0x100
574 #define MODE_MOUSE_SGR 0x200
575 #define MODE_BRACKETPASTE 0x400
576 #define MODE_FOCUSON 0x800
577 #define MODE_MOUSE_ALL 0x1000
578 #define MODE_ORIGIN 0x2000
579 #define MODE_CRLF 0x4000
580 #define MODE_KEXTENDED 0x8000
581 #define MODE_CURSOR_VERY_VISIBLE 0x10000
582 #define MODE_CURSOR_BLINKING_SET 0x20000
583 
584 #define ALL_MODES 0xffffff
585 #define ALL_MOUSE_MODES (MODE_MOUSE_STANDARD|MODE_MOUSE_BUTTON|MODE_MOUSE_ALL)
586 #define MOTION_MOUSE_MODES (MODE_MOUSE_BUTTON|MODE_MOUSE_ALL)
587 #define CURSOR_MODES (MODE_CURSOR|MODE_CURSOR_BLINKING|MODE_CURSOR_VERY_VISIBLE)
588 
589 /* Mouse protocol constants. */
590 #define MOUSE_PARAM_MAX 0xff
591 #define MOUSE_PARAM_UTF8_MAX 0x7ff
592 #define MOUSE_PARAM_BTN_OFF 0x20
593 #define MOUSE_PARAM_POS_OFF 0x21
594 
595 /* A single UTF-8 character. */
596 typedef u_int utf8_char;
597 
598 /*
599  * An expanded UTF-8 character. UTF8_SIZE must be big enough to hold combining
600  * characters as well. It can't be more than 32 bytes without changes to how
601  * characters are stored.
602  */
603 #define UTF8_SIZE 21
604 struct utf8_data {
605 	u_char	data[UTF8_SIZE];
606 
607 	u_char	have;
608 	u_char	size;
609 
610 	u_char	width;	/* 0xff if invalid */
611 };
612 enum utf8_state {
613 	UTF8_MORE,
614 	UTF8_DONE,
615 	UTF8_ERROR
616 };
617 
618 /* Colour flags. */
619 #define COLOUR_FLAG_256 0x01000000
620 #define COLOUR_FLAG_RGB 0x02000000
621 
622 /* Special colours. */
623 #define COLOUR_DEFAULT(c) ((c) == 8 || (c) == 9)
624 
625 /* Replacement palette. */
626 struct colour_palette {
627 	int	 fg;
628 	int	 bg;
629 
630 	int	*palette;
631 	int	*default_palette;
632 };
633 
634 /* Grid attributes. Anything above 0xff is stored in an extended cell. */
635 #define GRID_ATTR_BRIGHT 0x1
636 #define GRID_ATTR_DIM 0x2
637 #define GRID_ATTR_UNDERSCORE 0x4
638 #define GRID_ATTR_BLINK 0x8
639 #define GRID_ATTR_REVERSE 0x10
640 #define GRID_ATTR_HIDDEN 0x20
641 #define GRID_ATTR_ITALICS 0x40
642 #define GRID_ATTR_CHARSET 0x80	/* alternative character set */
643 #define GRID_ATTR_STRIKETHROUGH 0x100
644 #define GRID_ATTR_UNDERSCORE_2 0x200
645 #define GRID_ATTR_UNDERSCORE_3 0x400
646 #define GRID_ATTR_UNDERSCORE_4 0x800
647 #define GRID_ATTR_UNDERSCORE_5 0x1000
648 #define GRID_ATTR_OVERLINE 0x2000
649 
650 /* All underscore attributes. */
651 #define GRID_ATTR_ALL_UNDERSCORE \
652 	(GRID_ATTR_UNDERSCORE|	 \
653 	 GRID_ATTR_UNDERSCORE_2| \
654 	 GRID_ATTR_UNDERSCORE_3| \
655 	 GRID_ATTR_UNDERSCORE_4| \
656 	 GRID_ATTR_UNDERSCORE_5)
657 
658 /* Grid flags. */
659 #define GRID_FLAG_FG256 0x1
660 #define GRID_FLAG_BG256 0x2
661 #define GRID_FLAG_PADDING 0x4
662 #define GRID_FLAG_EXTENDED 0x8
663 #define GRID_FLAG_SELECTED 0x10
664 #define GRID_FLAG_NOPALETTE 0x20
665 #define GRID_FLAG_CLEARED 0x40
666 
667 /* Grid line flags. */
668 #define GRID_LINE_WRAPPED 0x1
669 #define GRID_LINE_EXTENDED 0x2
670 #define GRID_LINE_DEAD 0x4
671 
672 /* Grid string flags. */
673 #define GRID_STRING_WITH_SEQUENCES 0x1
674 #define GRID_STRING_ESCAPE_SEQUENCES 0x2
675 #define GRID_STRING_TRIM_SPACES 0x4
676 #define GRID_STRING_USED_ONLY 0x8
677 #define GRID_STRING_EMPTY_CELLS 0x10
678 
679 /* Cell positions. */
680 #define CELL_INSIDE 0
681 #define CELL_TOPBOTTOM 1
682 #define CELL_LEFTRIGHT 2
683 #define CELL_TOPLEFT 3
684 #define CELL_TOPRIGHT 4
685 #define CELL_BOTTOMLEFT 5
686 #define CELL_BOTTOMRIGHT 6
687 #define CELL_TOPJOIN 7
688 #define CELL_BOTTOMJOIN 8
689 #define CELL_LEFTJOIN 9
690 #define CELL_RIGHTJOIN 10
691 #define CELL_JOIN 11
692 #define CELL_OUTSIDE 12
693 
694 /* Cell borders. */
695 #define CELL_BORDERS " xqlkmjwvtun~"
696 #define SIMPLE_BORDERS " |-+++++++++."
697 #define PADDED_BORDERS "             "
698 
699 /* Grid cell data. */
700 struct grid_cell {
701 	struct utf8_data	data;
702 	u_short			attr;
703 	u_char			flags;
704 	int			fg;
705 	int			bg;
706 	int			us;
707 	u_int			link;
708 };
709 
710 /* Grid extended cell entry. */
711 struct grid_extd_entry {
712 	utf8_char		data;
713 	u_short			attr;
714 	u_char			flags;
715 	int			fg;
716 	int			bg;
717 	int			us;
718 	u_int			link;
719 } __packed;
720 
721 /* Grid cell entry. */
722 struct grid_cell_entry {
723 	u_char			flags;
724 	union {
725 		u_int		offset;
726 		struct {
727 			u_char	attr;
728 			u_char	fg;
729 			u_char	bg;
730 			u_char	data;
731 		} data;
732 	};
733 } __packed;
734 
735 /* Grid line. */
736 struct grid_line {
737 	struct grid_cell_entry	*celldata;
738 	u_int			 cellused;
739 	u_int			 cellsize;
740 
741 	struct grid_extd_entry	*extddata;
742 	u_int			 extdsize;
743 
744 	int			 flags;
745 	time_t			 time;
746 };
747 
748 /* Entire grid of cells. */
749 struct grid {
750 	int			 flags;
751 #define GRID_HISTORY 0x1 /* scroll lines into history */
752 
753 	u_int			 sx;
754 	u_int			 sy;
755 
756 	u_int			 hscrolled;
757 	u_int			 hsize;
758 	u_int			 hlimit;
759 
760 	struct grid_line	*linedata;
761 };
762 
763 /* Virtual cursor in a grid. */
764 struct grid_reader {
765 	struct grid	*gd;
766 	u_int		 cx;
767 	u_int		 cy;
768 };
769 
770 /* Style alignment. */
771 enum style_align {
772 	STYLE_ALIGN_DEFAULT,
773 	STYLE_ALIGN_LEFT,
774 	STYLE_ALIGN_CENTRE,
775 	STYLE_ALIGN_RIGHT,
776 	STYLE_ALIGN_ABSOLUTE_CENTRE
777 };
778 
779 /* Style list. */
780 enum style_list {
781 	STYLE_LIST_OFF,
782 	STYLE_LIST_ON,
783 	STYLE_LIST_FOCUS,
784 	STYLE_LIST_LEFT_MARKER,
785 	STYLE_LIST_RIGHT_MARKER,
786 };
787 
788 /* Style range. */
789 enum style_range_type {
790 	STYLE_RANGE_NONE,
791 	STYLE_RANGE_LEFT,
792 	STYLE_RANGE_RIGHT,
793 	STYLE_RANGE_WINDOW
794 };
795 struct style_range {
796 	enum style_range_type	 type;
797 	u_int			 argument;
798 
799 	u_int			 start;
800 	u_int			 end; /* not included */
801 
802 	TAILQ_ENTRY(style_range) entry;
803 };
804 TAILQ_HEAD(style_ranges, style_range);
805 
806 /* Style default. */
807 enum style_default_type {
808 	STYLE_DEFAULT_BASE,
809 	STYLE_DEFAULT_PUSH,
810 	STYLE_DEFAULT_POP
811 };
812 
813 /* Style option. */
814 struct style {
815 	struct grid_cell	gc;
816 	int			ignore;
817 
818 	int			fill;
819 	enum style_align	align;
820 	enum style_list		list;
821 
822 	enum style_range_type	range_type;
823 	u_int			range_argument;
824 
825 	enum style_default_type	default_type;
826 };
827 
828 /* Cursor style. */
829 enum screen_cursor_style {
830 	SCREEN_CURSOR_DEFAULT,
831 	SCREEN_CURSOR_BLOCK,
832 	SCREEN_CURSOR_UNDERLINE,
833 	SCREEN_CURSOR_BAR
834 };
835 
836 /* Virtual screen. */
837 struct screen_sel;
838 struct screen_titles;
839 struct screen {
840 	char				*title;
841 	char				*path;
842 	struct screen_titles		*titles;
843 
844 	struct grid			*grid;	  /* grid data */
845 
846 	u_int				 cx;	  /* cursor x */
847 	u_int				 cy;	  /* cursor y */
848 
849 	enum screen_cursor_style	 cstyle;  /* cursor style */
850 	enum screen_cursor_style	 default_cstyle;
851 	int				 ccolour; /* cursor colour */
852 	int				 default_ccolour;
853 
854 	u_int				 rupper;  /* scroll region top */
855 	u_int				 rlower;  /* scroll region bottom */
856 
857 	int				 mode;
858 	int				 default_mode;
859 
860 	u_int				 saved_cx;
861 	u_int				 saved_cy;
862 	struct grid			*saved_grid;
863 	struct grid_cell		 saved_cell;
864 	int				 saved_flags;
865 
866 	bitstr_t			*tabs;
867 	struct screen_sel		*sel;
868 
869 	struct screen_write_cline	*write_list;
870 
871 	struct hyperlinks		*hyperlinks;
872 };
873 
874 /* Screen write context. */
875 typedef void (*screen_write_init_ctx_cb)(struct screen_write_ctx *,
876     struct tty_ctx *);
877 struct screen_write_ctx {
878 	struct window_pane		*wp;
879 	struct screen			*s;
880 
881 	int				 flags;
882 #define SCREEN_WRITE_SYNC 0x1
883 #define SCREEN_WRITE_ZWJ 0x2
884 
885 	screen_write_init_ctx_cb	 init_ctx_cb;
886 	void				*arg;
887 
888 	struct screen_write_citem	*item;
889 	u_int				 scrolled;
890 	u_int				 bg;
891 };
892 
893 /* Box border lines option. */
894 enum box_lines {
895 	BOX_LINES_DEFAULT = -1,
896 	BOX_LINES_SINGLE,
897 	BOX_LINES_DOUBLE,
898 	BOX_LINES_HEAVY,
899 	BOX_LINES_SIMPLE,
900 	BOX_LINES_ROUNDED,
901 	BOX_LINES_PADDED,
902 	BOX_LINES_NONE
903 };
904 
905 /* Pane border lines option. */
906 enum pane_lines {
907 	PANE_LINES_SINGLE,
908 	PANE_LINES_DOUBLE,
909 	PANE_LINES_HEAVY,
910 	PANE_LINES_SIMPLE,
911 	PANE_LINES_NUMBER
912 };
913 
914 /* Pane border indicator option. */
915 #define PANE_BORDER_OFF 0
916 #define PANE_BORDER_COLOUR 1
917 #define PANE_BORDER_ARROWS 2
918 #define PANE_BORDER_BOTH 3
919 
920 /* Screen redraw context. */
921 struct screen_redraw_ctx {
922 	struct client	*c;
923 
924 	u_int		 statuslines;
925 	int		 statustop;
926 
927 	int		 pane_status;
928 	enum pane_lines	 pane_lines;
929 
930 	struct grid_cell no_pane_gc;
931 	int		 no_pane_gc_set;
932 
933 	u_int		 sx;
934 	u_int		 sy;
935 	u_int		 ox;
936 	u_int		 oy;
937 };
938 
939 /* Screen size. */
940 #define screen_size_x(s) ((s)->grid->sx)
941 #define screen_size_y(s) ((s)->grid->sy)
942 #define screen_hsize(s) ((s)->grid->hsize)
943 #define screen_hlimit(s) ((s)->grid->hlimit)
944 
945 /* Menu. */
946 struct menu_item {
947 	const char	*name;
948 	key_code	 key;
949 	const char	*command;
950 };
951 struct menu {
952 	const char		*title;
953 	struct menu_item	*items;
954 	u_int			 count;
955 	u_int			 width;
956 };
957 typedef void (*menu_choice_cb)(struct menu *, u_int, key_code, void *);
958 
959 /*
960  * Window mode. Windows can be in several modes and this is used to call the
961  * right function to handle input and output.
962  */
963 struct window_mode_entry;
964 struct window_mode {
965 	const char	*name;
966 	const char	*default_format;
967 
968 	struct screen	*(*init)(struct window_mode_entry *,
969 			     struct cmd_find_state *, struct args *);
970 	void		 (*free)(struct window_mode_entry *);
971 	void		 (*resize)(struct window_mode_entry *, u_int, u_int);
972 	void		 (*update)(struct window_mode_entry *);
973 	void		 (*key)(struct window_mode_entry *, struct client *,
974 			     struct session *, struct winlink *, key_code,
975 			     struct mouse_event *);
976 
977 	const char	*(*key_table)(struct window_mode_entry *);
978 	void		 (*command)(struct window_mode_entry *, struct client *,
979 			     struct session *, struct winlink *, struct args *,
980 			     struct mouse_event *);
981 	void		 (*formats)(struct window_mode_entry *,
982 			     struct format_tree *);
983 };
984 
985 /* Active window mode. */
986 struct window_mode_entry {
987 	struct window_pane		*wp;
988 	struct window_pane		*swp;
989 
990 	const struct window_mode	*mode;
991 	void				*data;
992 
993 	struct screen			*screen;
994 	u_int				 prefix;
995 
996 	TAILQ_ENTRY(window_mode_entry)	 entry;
997 };
998 
999 /* Offsets into pane buffer. */
1000 struct window_pane_offset {
1001 	size_t	used;
1002 };
1003 
1004 /* Queued pane resize. */
1005 struct window_pane_resize {
1006 	u_int				sx;
1007 	u_int				sy;
1008 
1009 	u_int				osx;
1010 	u_int				osy;
1011 
1012 	TAILQ_ENTRY(window_pane_resize)	entry;
1013 };
1014 TAILQ_HEAD(window_pane_resizes, window_pane_resize);
1015 
1016 /* Child window structure. */
1017 struct window_pane {
1018 	u_int		 id;
1019 	u_int		 active_point;
1020 
1021 	struct window	*window;
1022 	struct options	*options;
1023 
1024 	struct layout_cell *layout_cell;
1025 	struct layout_cell *saved_layout_cell;
1026 
1027 	u_int		 sx;
1028 	u_int		 sy;
1029 
1030 	u_int		 xoff;
1031 	u_int		 yoff;
1032 
1033 	int		 flags;
1034 #define PANE_REDRAW 0x1
1035 #define PANE_DROP 0x2
1036 #define PANE_FOCUSED 0x4
1037 /* 0x8 unused */
1038 /* 0x10 unused */
1039 /* 0x20 unused */
1040 #define PANE_INPUTOFF 0x40
1041 #define PANE_CHANGED 0x80
1042 #define PANE_EXITED 0x100
1043 #define PANE_STATUSREADY 0x200
1044 #define PANE_STATUSDRAWN 0x400
1045 #define PANE_EMPTY 0x800
1046 #define PANE_STYLECHANGED 0x1000
1047 
1048 	int		 argc;
1049 	char	       **argv;
1050 	char		*shell;
1051 	char		*cwd;
1052 
1053 	pid_t		 pid;
1054 	char		 tty[TTY_NAME_MAX];
1055 	int		 status;
1056 	struct timeval	 dead_time;
1057 
1058 	int		 fd;
1059 	struct bufferevent *event;
1060 
1061 	struct window_pane_offset offset;
1062 	size_t		 base_offset;
1063 
1064 	struct window_pane_resizes resize_queue;
1065 	struct event	 resize_timer;
1066 
1067 	struct input_ctx *ictx;
1068 
1069 	struct grid_cell cached_gc;
1070 	struct grid_cell cached_active_gc;
1071 	struct colour_palette palette;
1072 
1073 	int		 pipe_fd;
1074 	struct bufferevent *pipe_event;
1075 	struct window_pane_offset pipe_offset;
1076 
1077 	struct screen	*screen;
1078 	struct screen	 base;
1079 
1080 	struct screen	 status_screen;
1081 	size_t		 status_size;
1082 
1083 	TAILQ_HEAD(, window_mode_entry) modes;
1084 
1085 	char		*searchstr;
1086 	int		 searchregex;
1087 
1088 	int		 border_gc_set;
1089 	struct grid_cell border_gc;
1090 
1091 	TAILQ_ENTRY(window_pane) entry;
1092 	RB_ENTRY(window_pane) tree_entry;
1093 };
1094 TAILQ_HEAD(window_panes, window_pane);
1095 RB_HEAD(window_pane_tree, window_pane);
1096 
1097 /* Window structure. */
1098 struct window {
1099 	u_int			 id;
1100 	void			*latest;
1101 
1102 	char			*name;
1103 	struct event		 name_event;
1104 	struct timeval		 name_time;
1105 
1106 	struct event		 alerts_timer;
1107 	struct event		 offset_timer;
1108 
1109 	struct timeval		 activity_time;
1110 
1111 	struct window_pane	*active;
1112 	struct window_pane	*last;
1113 	struct window_panes	 panes;
1114 
1115 	int			 lastlayout;
1116 	struct layout_cell	*layout_root;
1117 	struct layout_cell	*saved_layout_root;
1118 	char			*old_layout;
1119 
1120 	u_int			 sx;
1121 	u_int			 sy;
1122 	u_int			 manual_sx;
1123 	u_int			 manual_sy;
1124 	u_int			 xpixel;
1125 	u_int			 ypixel;
1126 
1127 	u_int			 new_sx;
1128 	u_int			 new_sy;
1129 	u_int			 new_xpixel;
1130 	u_int			 new_ypixel;
1131 
1132 	struct utf8_data	*fill_character;
1133 	int			 flags;
1134 #define WINDOW_BELL 0x1
1135 #define WINDOW_ACTIVITY 0x2
1136 #define WINDOW_SILENCE 0x4
1137 #define WINDOW_ZOOMED 0x8
1138 #define WINDOW_WASZOOMED 0x10
1139 #define WINDOW_RESIZE 0x20
1140 #define WINDOW_ALERTFLAGS (WINDOW_BELL|WINDOW_ACTIVITY|WINDOW_SILENCE)
1141 
1142 	int			 alerts_queued;
1143 	TAILQ_ENTRY(window)	 alerts_entry;
1144 
1145 	struct options		*options;
1146 
1147 	u_int			 references;
1148 	TAILQ_HEAD(, winlink)	 winlinks;
1149 
1150 	RB_ENTRY(window)	 entry;
1151 };
1152 RB_HEAD(windows, window);
1153 
1154 /* Entry on local window list. */
1155 struct winlink {
1156 	int		 idx;
1157 	struct session	*session;
1158 	struct window	*window;
1159 
1160 	int		 flags;
1161 #define WINLINK_BELL 0x1
1162 #define WINLINK_ACTIVITY 0x2
1163 #define WINLINK_SILENCE 0x4
1164 #define WINLINK_ALERTFLAGS (WINLINK_BELL|WINLINK_ACTIVITY|WINLINK_SILENCE)
1165 
1166 	RB_ENTRY(winlink) entry;
1167 	TAILQ_ENTRY(winlink) wentry;
1168 	TAILQ_ENTRY(winlink) sentry;
1169 };
1170 RB_HEAD(winlinks, winlink);
1171 TAILQ_HEAD(winlink_stack, winlink);
1172 
1173 /* Window size option. */
1174 #define WINDOW_SIZE_LARGEST 0
1175 #define WINDOW_SIZE_SMALLEST 1
1176 #define WINDOW_SIZE_MANUAL 2
1177 #define WINDOW_SIZE_LATEST 3
1178 
1179 /* Pane border status option. */
1180 #define PANE_STATUS_OFF 0
1181 #define PANE_STATUS_TOP 1
1182 #define PANE_STATUS_BOTTOM 2
1183 
1184 /* Layout direction. */
1185 enum layout_type {
1186 	LAYOUT_LEFTRIGHT,
1187 	LAYOUT_TOPBOTTOM,
1188 	LAYOUT_WINDOWPANE
1189 };
1190 
1191 /* Layout cells queue. */
1192 TAILQ_HEAD(layout_cells, layout_cell);
1193 
1194 /* Layout cell. */
1195 struct layout_cell {
1196 	enum layout_type type;
1197 
1198 	struct layout_cell *parent;
1199 
1200 	u_int		 sx;
1201 	u_int		 sy;
1202 
1203 	u_int		 xoff;
1204 	u_int		 yoff;
1205 
1206 	struct window_pane *wp;
1207 	struct layout_cells cells;
1208 
1209 	TAILQ_ENTRY(layout_cell) entry;
1210 };
1211 
1212 /* Environment variable. */
1213 struct environ_entry {
1214 	char		*name;
1215 	char		*value;
1216 
1217 	int		 flags;
1218 #define ENVIRON_HIDDEN 0x1
1219 
1220 	RB_ENTRY(environ_entry) entry;
1221 };
1222 
1223 /* Client session. */
1224 struct session_group {
1225 	const char		*name;
1226 	TAILQ_HEAD(, session)	 sessions;
1227 
1228 	RB_ENTRY(session_group)	 entry;
1229 };
1230 RB_HEAD(session_groups, session_group);
1231 
1232 struct session {
1233 	u_int		 id;
1234 
1235 	char		*name;
1236 	const char	*cwd;
1237 
1238 	struct timeval	 creation_time;
1239 	struct timeval	 last_attached_time;
1240 	struct timeval	 activity_time;
1241 	struct timeval	 last_activity_time;
1242 
1243 	struct event	 lock_timer;
1244 
1245 	struct winlink	*curw;
1246 	struct winlink_stack lastw;
1247 	struct winlinks	 windows;
1248 
1249 	int		 statusat;
1250 	u_int		 statuslines;
1251 
1252 	struct options	*options;
1253 
1254 #define SESSION_PASTING 0x1
1255 #define SESSION_ALERTED 0x2
1256 	int		 flags;
1257 
1258 	u_int		 attached;
1259 
1260 	struct termios	*tio;
1261 
1262 	struct environ	*environ;
1263 
1264 	int		 references;
1265 
1266 	TAILQ_ENTRY(session) gentry;
1267 	RB_ENTRY(session)    entry;
1268 };
1269 RB_HEAD(sessions, session);
1270 
1271 /* Mouse button masks. */
1272 #define MOUSE_MASK_BUTTONS 195
1273 #define MOUSE_MASK_SHIFT 4
1274 #define MOUSE_MASK_META 8
1275 #define MOUSE_MASK_CTRL 16
1276 #define MOUSE_MASK_DRAG 32
1277 #define MOUSE_MASK_MODIFIERS (MOUSE_MASK_SHIFT|MOUSE_MASK_META|MOUSE_MASK_CTRL)
1278 
1279 /* Mouse wheel type. */
1280 #define MOUSE_WHEEL_UP 64
1281 #define MOUSE_WHEEL_DOWN 65
1282 
1283 /* Mouse button type. */
1284 #define MOUSE_BUTTON_1 0
1285 #define MOUSE_BUTTON_2 1
1286 #define MOUSE_BUTTON_3 2
1287 #define MOUSE_BUTTON_6 66
1288 #define MOUSE_BUTTON_7 67
1289 #define MOUSE_BUTTON_8 128
1290 #define MOUSE_BUTTON_9 129
1291 #define MOUSE_BUTTON_10 130
1292 #define MOUSE_BUTTON_11 131
1293 
1294 /* Mouse helpers. */
1295 #define MOUSE_BUTTONS(b) ((b) & MOUSE_MASK_BUTTONS)
1296 #define MOUSE_WHEEL(b) \
1297 	(((b) & MOUSE_MASK_BUTTONS) == MOUSE_WHEEL_UP || \
1298 	 ((b) & MOUSE_MASK_BUTTONS) == MOUSE_WHEEL_DOWN)
1299 #define MOUSE_DRAG(b) ((b) & MOUSE_MASK_DRAG)
1300 #define MOUSE_RELEASE(b) (((b) & MOUSE_MASK_BUTTONS) == 3)
1301 
1302 /* Mouse input. */
1303 struct mouse_event {
1304 	int		valid;
1305 	int		ignore;
1306 
1307 	key_code	key;
1308 
1309 	int		statusat;
1310 	u_int		statuslines;
1311 
1312 	u_int		x;
1313 	u_int		y;
1314 	u_int		b;
1315 
1316 	u_int		lx;
1317 	u_int		ly;
1318 	u_int		lb;
1319 
1320 	u_int		ox;
1321 	u_int		oy;
1322 
1323 	int		s;
1324 	int		w;
1325 	int		wp;
1326 
1327 	u_int		sgr_type;
1328 	u_int		sgr_b;
1329 };
1330 
1331 /* Key event. */
1332 struct key_event {
1333 	key_code		key;
1334 	struct mouse_event	m;
1335 };
1336 
1337 /* Terminal definition. */
1338 struct tty_term {
1339 	char		*name;
1340 	struct tty	*tty;
1341 	int		 features;
1342 
1343 	char		 acs[UCHAR_MAX + 1][2];
1344 
1345 	struct tty_code	*codes;
1346 
1347 #define TERM_256COLOURS 0x1
1348 #define TERM_NOAM 0x2
1349 #define TERM_DECSLRM 0x4
1350 #define TERM_DECFRA 0x8
1351 #define TERM_RGBCOLOURS 0x10
1352 #define TERM_VT100LIKE 0x20
1353 #define TERM_SIXEL 0x40
1354 	int		 flags;
1355 
1356 	LIST_ENTRY(tty_term) entry;
1357 };
1358 LIST_HEAD(tty_terms, tty_term);
1359 
1360 /* Client terminal. */
1361 struct tty {
1362 	struct client	*client;
1363 	struct event	 start_timer;
1364 	struct event	 clipboard_timer;
1365 
1366 	u_int		 sx;
1367 	u_int		 sy;
1368 	u_int		 xpixel;
1369 	u_int		 ypixel;
1370 
1371 	u_int		 cx;
1372 	u_int		 cy;
1373 	enum screen_cursor_style cstyle;
1374 	int		 ccolour;
1375 
1376 	int		 oflag;
1377 	u_int		 oox;
1378 	u_int		 ooy;
1379 	u_int		 osx;
1380 	u_int		 osy;
1381 
1382 	int		 mode;
1383 	int              fg;
1384 	int              bg;
1385 
1386 	u_int		 rlower;
1387 	u_int		 rupper;
1388 
1389 	u_int		 rleft;
1390 	u_int		 rright;
1391 
1392 	struct event	 event_in;
1393 	struct evbuffer	*in;
1394 	struct event	 event_out;
1395 	struct evbuffer	*out;
1396 	struct event	 timer;
1397 	size_t		 discarded;
1398 
1399 	struct termios	 tio;
1400 
1401 	struct grid_cell cell;
1402 	struct grid_cell last_cell;
1403 
1404 #define TTY_NOCURSOR 0x1
1405 #define TTY_FREEZE 0x2
1406 #define TTY_TIMER 0x4
1407 #define TTY_NOBLOCK 0x8
1408 #define TTY_STARTED 0x10
1409 #define TTY_OPENED 0x20
1410 #define TTY_OSC52QUERY 0x40
1411 #define TTY_BLOCK 0x80
1412 #define TTY_HAVEDA 0x100 /* Primary DA. */
1413 #define TTY_HAVEXDA 0x200
1414 #define TTY_SYNCING 0x400
1415 #define TTY_HAVEDA2 0x800 /* Secondary DA. */
1416 #define TTY_HAVEFG 0x1000
1417 #define TTY_HAVEBG 0x2000
1418 #define TTY_ALL_REQUEST_FLAGS \
1419 	(TTY_HAVEDA|TTY_HAVEDA2|TTY_HAVEXDA|TTY_HAVEFG|TTY_HAVEBG)
1420 	int		 flags;
1421 
1422 	struct tty_term	*term;
1423 
1424 	u_int		 mouse_last_x;
1425 	u_int		 mouse_last_y;
1426 	u_int		 mouse_last_b;
1427 	int		 mouse_drag_flag;
1428 	void		(*mouse_drag_update)(struct client *,
1429 			    struct mouse_event *);
1430 	void		(*mouse_drag_release)(struct client *,
1431 			    struct mouse_event *);
1432 
1433 	struct event	 key_timer;
1434 	struct tty_key	*key_tree;
1435 };
1436 
1437 /* Terminal command context. */
1438 typedef void (*tty_ctx_redraw_cb)(const struct tty_ctx *);
1439 typedef int (*tty_ctx_set_client_cb)(struct tty_ctx *, struct client *);
1440 struct tty_ctx {
1441 	struct screen		*s;
1442 
1443 	tty_ctx_redraw_cb	 redraw_cb;
1444 	tty_ctx_set_client_cb	 set_client_cb;
1445 	void			*arg;
1446 
1447 	const struct grid_cell	*cell;
1448 	int			 wrapped;
1449 
1450 	u_int			 num;
1451 	void			*ptr;
1452 	void			*ptr2;
1453 
1454 	/*
1455 	 * Whether this command should be sent even when the pane is not
1456 	 * visible (used for a passthrough sequence when allow-passthrough is
1457 	 * "all").
1458 	 */
1459 	int			 allow_invisible_panes;
1460 
1461 	/*
1462 	 * Cursor and region position before the screen was updated - this is
1463 	 * where the command should be applied; the values in the screen have
1464 	 * already been updated.
1465 	 */
1466 	u_int			 ocx;
1467 	u_int			 ocy;
1468 
1469 	u_int			 orupper;
1470 	u_int			 orlower;
1471 
1472 	/* Target region (usually pane) offset and size. */
1473 	u_int			 xoff;
1474 	u_int			 yoff;
1475 	u_int			 rxoff;
1476 	u_int			 ryoff;
1477 	u_int			 sx;
1478 	u_int			 sy;
1479 
1480 	/* The background colour used for clearing (erasing). */
1481 	u_int			 bg;
1482 
1483 	/* The default colours and palette. */
1484 	struct grid_cell	 defaults;
1485 	struct colour_palette	*palette;
1486 
1487 	/* Containing region (usually window) offset and size. */
1488 	int			 bigger;
1489 	u_int			 wox;
1490 	u_int			 woy;
1491 	u_int			 wsx;
1492 	u_int			 wsy;
1493 };
1494 
1495 /* Saved message entry. */
1496 struct message_entry {
1497 	char				*msg;
1498 	u_int				 msg_num;
1499 	struct timeval			 msg_time;
1500 
1501 	TAILQ_ENTRY(message_entry)	 entry;
1502 };
1503 TAILQ_HEAD(message_list, message_entry);
1504 
1505 /* Argument type. */
1506 enum args_type {
1507 	ARGS_NONE,
1508 	ARGS_STRING,
1509 	ARGS_COMMANDS
1510 };
1511 
1512 /* Argument value. */
1513 struct args_value {
1514 	enum args_type		 type;
1515 	union {
1516 		char		*string;
1517 		struct cmd_list	*cmdlist;
1518 	};
1519 	char			*cached;
1520 	TAILQ_ENTRY(args_value)	 entry;
1521 };
1522 
1523 /* Arguments set. */
1524 struct args_entry;
1525 RB_HEAD(args_tree, args_entry);
1526 
1527 /* Arguments parsing type. */
1528 enum args_parse_type {
1529 	ARGS_PARSE_INVALID,
1530 	ARGS_PARSE_STRING,
1531 	ARGS_PARSE_COMMANDS_OR_STRING,
1532 	ARGS_PARSE_COMMANDS
1533 };
1534 
1535 /* Arguments parsing state. */
1536 typedef enum args_parse_type (*args_parse_cb)(struct args *, u_int, char **);
1537 struct args_parse {
1538 	const char	*template;
1539 	int		 lower;
1540 	int		 upper;
1541 	args_parse_cb	 cb;
1542 };
1543 
1544 /* Command find structures. */
1545 enum cmd_find_type {
1546 	CMD_FIND_PANE,
1547 	CMD_FIND_WINDOW,
1548 	CMD_FIND_SESSION,
1549 };
1550 struct cmd_find_state {
1551 	int			 flags;
1552 	struct cmd_find_state	*current;
1553 
1554 	struct session		*s;
1555 	struct winlink		*wl;
1556 	struct window		*w;
1557 	struct window_pane	*wp;
1558 	int			 idx;
1559 };
1560 
1561 /* Command find flags. */
1562 #define CMD_FIND_PREFER_UNATTACHED 0x1
1563 #define CMD_FIND_QUIET 0x2
1564 #define CMD_FIND_WINDOW_INDEX 0x4
1565 #define CMD_FIND_DEFAULT_MARKED 0x8
1566 #define CMD_FIND_EXACT_SESSION 0x10
1567 #define CMD_FIND_EXACT_WINDOW 0x20
1568 #define CMD_FIND_CANFAIL 0x40
1569 
1570 /* List of commands. */
1571 struct cmd_list {
1572 	int		 references;
1573 	u_int		 group;
1574 	struct cmds	*list;
1575 };
1576 
1577 /* Command return values. */
1578 enum cmd_retval {
1579 	CMD_RETURN_ERROR = -1,
1580 	CMD_RETURN_NORMAL = 0,
1581 	CMD_RETURN_WAIT,
1582 	CMD_RETURN_STOP
1583 };
1584 
1585 /* Command parse result. */
1586 enum cmd_parse_status {
1587 	CMD_PARSE_ERROR,
1588 	CMD_PARSE_SUCCESS
1589 };
1590 struct cmd_parse_result {
1591 	enum cmd_parse_status	 status;
1592 	struct cmd_list		*cmdlist;
1593 	char			*error;
1594 };
1595 struct cmd_parse_input {
1596 	int			 flags;
1597 #define CMD_PARSE_QUIET 0x1
1598 #define CMD_PARSE_PARSEONLY 0x2
1599 #define CMD_PARSE_NOALIAS 0x4
1600 #define CMD_PARSE_VERBOSE 0x8
1601 #define CMD_PARSE_ONEGROUP 0x10
1602 
1603 	const char		*file;
1604 	u_int			 line;
1605 
1606 	struct cmdq_item	*item;
1607 	struct client		*c;
1608 	struct cmd_find_state	 fs;
1609 };
1610 
1611 /* Command queue flags. */
1612 #define CMDQ_STATE_REPEAT 0x1
1613 #define CMDQ_STATE_CONTROL 0x2
1614 #define CMDQ_STATE_NOHOOKS 0x4
1615 
1616 /* Command queue callback. */
1617 typedef enum cmd_retval (*cmdq_cb) (struct cmdq_item *, void *);
1618 
1619 /* Command definition flag. */
1620 struct cmd_entry_flag {
1621 	char			 flag;
1622 	enum cmd_find_type	 type;
1623 	int			 flags;
1624 };
1625 
1626 /* Command definition. */
1627 struct cmd_entry {
1628 	const char		*name;
1629 	const char		*alias;
1630 
1631 	struct args_parse	 args;
1632 	const char		*usage;
1633 
1634 	struct cmd_entry_flag	 source;
1635 	struct cmd_entry_flag	 target;
1636 
1637 #define CMD_STARTSERVER 0x1
1638 #define CMD_READONLY 0x2
1639 #define CMD_AFTERHOOK 0x4
1640 #define CMD_CLIENT_CFLAG 0x8
1641 #define CMD_CLIENT_TFLAG 0x10
1642 #define CMD_CLIENT_CANFAIL 0x20
1643 	int		 flags;
1644 
1645 	enum cmd_retval	 (*exec)(struct cmd *, struct cmdq_item *);
1646 };
1647 
1648 /* Status line. */
1649 #define STATUS_LINES_LIMIT 5
1650 struct status_line_entry {
1651 	char			*expanded;
1652 	struct style_ranges	 ranges;
1653 };
1654 struct status_line {
1655 	struct event		 timer;
1656 
1657 	struct screen		 screen;
1658 	struct screen		*active;
1659 	int			 references;
1660 
1661 	struct grid_cell	 style;
1662 	struct status_line_entry entries[STATUS_LINES_LIMIT];
1663 };
1664 
1665 /* Prompt type. */
1666 #define PROMPT_NTYPES 4
1667 enum prompt_type {
1668 	PROMPT_TYPE_COMMAND,
1669 	PROMPT_TYPE_SEARCH,
1670 	PROMPT_TYPE_TARGET,
1671 	PROMPT_TYPE_WINDOW_TARGET,
1672 	PROMPT_TYPE_INVALID = 0xff
1673 };
1674 
1675 /* File in client. */
1676 typedef void (*client_file_cb) (struct client *, const char *, int, int,
1677     struct evbuffer *, void *);
1678 struct client_file {
1679 	struct client			*c;
1680 	struct tmuxpeer			*peer;
1681 	struct client_files		*tree;
1682 	int				 references;
1683 	int				 stream;
1684 
1685 	char				*path;
1686 	struct evbuffer			*buffer;
1687 	struct bufferevent		*event;
1688 
1689 	int				 fd;
1690 	int				 error;
1691 	int				 closed;
1692 
1693 	client_file_cb			 cb;
1694 	void				*data;
1695 
1696 	RB_ENTRY(client_file)		 entry;
1697 };
1698 RB_HEAD(client_files, client_file);
1699 
1700 /* Client window. */
1701 struct client_window {
1702 	u_int			 window;
1703 	struct window_pane	*pane;
1704 
1705 	u_int			 sx;
1706 	u_int			 sy;
1707 
1708 	RB_ENTRY(client_window)	 entry;
1709 };
1710 RB_HEAD(client_windows, client_window);
1711 
1712 /* Visible areas not obstructed by overlays. */
1713 #define OVERLAY_MAX_RANGES 3
1714 struct overlay_ranges {
1715 	u_int	px[OVERLAY_MAX_RANGES];
1716 	u_int	nx[OVERLAY_MAX_RANGES];
1717 };
1718 
1719 /* Client connection. */
1720 typedef int (*prompt_input_cb)(struct client *, void *, const char *, int);
1721 typedef void (*prompt_free_cb)(void *);
1722 typedef void (*overlay_check_cb)(struct client*, void *, u_int, u_int, u_int,
1723 	    struct overlay_ranges *);
1724 typedef struct screen *(*overlay_mode_cb)(struct client *, void *, u_int *,
1725 	    u_int *);
1726 typedef void (*overlay_draw_cb)(struct client *, void *,
1727 	    struct screen_redraw_ctx *);
1728 typedef int (*overlay_key_cb)(struct client *, void *, struct key_event *);
1729 typedef void (*overlay_free_cb)(struct client *, void *);
1730 typedef void (*overlay_resize_cb)(struct client *, void *);
1731 struct client {
1732 	const char		*name;
1733 	struct tmuxpeer		*peer;
1734 	struct cmdq_list	*queue;
1735 
1736 	struct client_windows	 windows;
1737 
1738 	struct control_state	*control_state;
1739 	u_int			 pause_age;
1740 
1741 	pid_t			 pid;
1742 	int			 fd;
1743 	int			 out_fd;
1744 	struct event		 event;
1745 	int			 retval;
1746 
1747 	struct timeval		 creation_time;
1748 	struct timeval		 activity_time;
1749 
1750 	struct environ		*environ;
1751 	struct format_job_tree	*jobs;
1752 
1753 	char			*title;
1754 	char			*path;
1755 	const char		*cwd;
1756 
1757 	char			*term_name;
1758 	int			 term_features;
1759 	char			*term_type;
1760 	char		       **term_caps;
1761 	u_int			 term_ncaps;
1762 
1763 	char			*ttyname;
1764 	struct tty		 tty;
1765 
1766 	size_t			 written;
1767 	size_t			 discarded;
1768 	size_t			 redraw;
1769 
1770 	struct event		 repeat_timer;
1771 
1772 	struct event		 click_timer;
1773 	u_int			 click_button;
1774 	struct mouse_event	 click_event;
1775 
1776 	struct status_line	 status;
1777 
1778 #define CLIENT_TERMINAL 0x1
1779 #define CLIENT_LOGIN 0x2
1780 #define CLIENT_EXIT 0x4
1781 #define CLIENT_REDRAWWINDOW 0x8
1782 #define CLIENT_REDRAWSTATUS 0x10
1783 #define CLIENT_REPEAT 0x20
1784 #define CLIENT_SUSPENDED 0x40
1785 #define CLIENT_ATTACHED 0x80
1786 #define CLIENT_EXITED 0x100
1787 #define CLIENT_DEAD 0x200
1788 #define CLIENT_REDRAWBORDERS 0x400
1789 #define CLIENT_READONLY 0x800
1790 #define CLIENT_NOSTARTSERVER 0x1000
1791 #define CLIENT_CONTROL 0x2000
1792 #define CLIENT_CONTROLCONTROL 0x4000
1793 #define CLIENT_FOCUSED 0x8000
1794 #define CLIENT_UTF8 0x10000
1795 #define CLIENT_IGNORESIZE 0x20000
1796 #define CLIENT_IDENTIFIED 0x40000
1797 #define CLIENT_STATUSFORCE 0x80000
1798 #define CLIENT_DOUBLECLICK 0x100000
1799 #define CLIENT_TRIPLECLICK 0x200000
1800 #define CLIENT_SIZECHANGED 0x400000
1801 #define CLIENT_STATUSOFF 0x800000
1802 #define CLIENT_REDRAWSTATUSALWAYS 0x1000000
1803 #define CLIENT_REDRAWOVERLAY 0x2000000
1804 #define CLIENT_CONTROL_NOOUTPUT 0x4000000
1805 #define CLIENT_DEFAULTSOCKET 0x8000000
1806 #define CLIENT_STARTSERVER 0x10000000
1807 #define CLIENT_REDRAWPANES 0x20000000
1808 #define CLIENT_NOFORK 0x40000000
1809 #define CLIENT_ACTIVEPANE 0x80000000ULL
1810 #define CLIENT_CONTROL_PAUSEAFTER 0x100000000ULL
1811 #define CLIENT_CONTROL_WAITEXIT 0x200000000ULL
1812 #define CLIENT_WINDOWSIZECHANGED 0x400000000ULL
1813 #define CLIENT_CLIPBOARDBUFFER 0x800000000ULL
1814 #define CLIENT_ALLREDRAWFLAGS		\
1815 	(CLIENT_REDRAWWINDOW|		\
1816 	 CLIENT_REDRAWSTATUS|		\
1817 	 CLIENT_REDRAWSTATUSALWAYS|	\
1818 	 CLIENT_REDRAWBORDERS|		\
1819 	 CLIENT_REDRAWOVERLAY|		\
1820 	 CLIENT_REDRAWPANES)
1821 #define CLIENT_UNATTACHEDFLAGS	\
1822 	(CLIENT_DEAD|		\
1823 	 CLIENT_SUSPENDED|	\
1824 	 CLIENT_EXIT)
1825 #define CLIENT_NODETACHFLAGS	\
1826 	(CLIENT_DEAD|		\
1827 	 CLIENT_EXIT)
1828 #define CLIENT_NOSIZEFLAGS	\
1829 	(CLIENT_DEAD|		\
1830 	 CLIENT_SUSPENDED|	\
1831 	 CLIENT_EXIT)
1832 	uint64_t		 flags;
1833 
1834 	enum {
1835 		CLIENT_EXIT_RETURN,
1836 		CLIENT_EXIT_SHUTDOWN,
1837 		CLIENT_EXIT_DETACH
1838 	}			 exit_type;
1839 	enum msgtype		 exit_msgtype;
1840 	char			*exit_session;
1841 	char			*exit_message;
1842 
1843 	struct key_table	*keytable;
1844 
1845 	uint64_t		 redraw_panes;
1846 
1847 	int			 message_ignore_keys;
1848 	int			 message_ignore_styles;
1849 	char			*message_string;
1850 	struct event		 message_timer;
1851 
1852 	char			*prompt_string;
1853 	struct utf8_data	*prompt_buffer;
1854 	char			*prompt_last;
1855 	size_t			 prompt_index;
1856 	prompt_input_cb		 prompt_inputcb;
1857 	prompt_free_cb		 prompt_freecb;
1858 	void			*prompt_data;
1859 	u_int			 prompt_hindex[PROMPT_NTYPES];
1860 	enum {
1861 		PROMPT_ENTRY,
1862 		PROMPT_COMMAND
1863 	}			 prompt_mode;
1864 	struct utf8_data	*prompt_saved;
1865 #define PROMPT_SINGLE 0x1
1866 #define PROMPT_NUMERIC 0x2
1867 #define PROMPT_INCREMENTAL 0x4
1868 #define PROMPT_NOFORMAT 0x8
1869 #define PROMPT_KEY 0x10
1870 	int			 prompt_flags;
1871 	enum prompt_type	 prompt_type;
1872 	int			 prompt_cursor;
1873 
1874 	struct session		*session;
1875 	struct session		*last_session;
1876 
1877 	int			 references;
1878 
1879 	void			*pan_window;
1880 	u_int			 pan_ox;
1881 	u_int			 pan_oy;
1882 
1883 	overlay_check_cb	 overlay_check;
1884 	overlay_mode_cb		 overlay_mode;
1885 	overlay_draw_cb		 overlay_draw;
1886 	overlay_key_cb		 overlay_key;
1887 	overlay_free_cb		 overlay_free;
1888 	overlay_resize_cb	 overlay_resize;
1889 	void			*overlay_data;
1890 	struct event		 overlay_timer;
1891 
1892 	struct client_files	 files;
1893 
1894 	u_int			*clipboard_panes;
1895 	u_int			 clipboard_npanes;
1896 
1897 	TAILQ_ENTRY(client)	 entry;
1898 };
1899 TAILQ_HEAD(clients, client);
1900 
1901 /* Control mode subscription type. */
1902 enum control_sub_type {
1903 	CONTROL_SUB_SESSION,
1904 	CONTROL_SUB_PANE,
1905 	CONTROL_SUB_ALL_PANES,
1906 	CONTROL_SUB_WINDOW,
1907 	CONTROL_SUB_ALL_WINDOWS
1908 };
1909 
1910 /* Key binding and key table. */
1911 struct key_binding {
1912 	key_code		 key;
1913 	struct cmd_list		*cmdlist;
1914 	const char		*note;
1915 
1916 	int			 flags;
1917 #define KEY_BINDING_REPEAT 0x1
1918 
1919 	RB_ENTRY(key_binding)	 entry;
1920 };
1921 RB_HEAD(key_bindings, key_binding);
1922 
1923 struct key_table {
1924 	const char		*name;
1925 	struct key_bindings	 key_bindings;
1926 	struct key_bindings	 default_key_bindings;
1927 
1928 	u_int			 references;
1929 
1930 	RB_ENTRY(key_table)	 entry;
1931 };
1932 RB_HEAD(key_tables, key_table);
1933 
1934 /* Option data. */
1935 RB_HEAD(options_array, options_array_item);
1936 union options_value {
1937 	char			*string;
1938 	long long		 number;
1939 	struct style		 style;
1940 	struct options_array	 array;
1941 	struct cmd_list		*cmdlist;
1942 };
1943 
1944 /* Option table entries. */
1945 enum options_table_type {
1946 	OPTIONS_TABLE_STRING,
1947 	OPTIONS_TABLE_NUMBER,
1948 	OPTIONS_TABLE_KEY,
1949 	OPTIONS_TABLE_COLOUR,
1950 	OPTIONS_TABLE_FLAG,
1951 	OPTIONS_TABLE_CHOICE,
1952 	OPTIONS_TABLE_COMMAND
1953 };
1954 
1955 #define OPTIONS_TABLE_NONE 0
1956 #define OPTIONS_TABLE_SERVER 0x1
1957 #define OPTIONS_TABLE_SESSION 0x2
1958 #define OPTIONS_TABLE_WINDOW 0x4
1959 #define OPTIONS_TABLE_PANE 0x8
1960 
1961 #define OPTIONS_TABLE_IS_ARRAY 0x1
1962 #define OPTIONS_TABLE_IS_HOOK 0x2
1963 #define OPTIONS_TABLE_IS_STYLE 0x4
1964 
1965 struct options_table_entry {
1966 	const char		 *name;
1967 	const char		 *alternative_name;
1968 	enum options_table_type	  type;
1969 	int			  scope;
1970 	int			  flags;
1971 
1972 	u_int			  minimum;
1973 	u_int			  maximum;
1974 	const char		**choices;
1975 
1976 	const char		 *default_str;
1977 	long long		  default_num;
1978 	const char		**default_arr;
1979 
1980 	const char		 *separator;
1981 	const char		 *pattern;
1982 
1983 	const char		 *text;
1984 	const char		 *unit;
1985 };
1986 
1987 struct options_name_map {
1988 	const char		*from;
1989 	const char		*to;
1990 };
1991 
1992 /* Common command usages. */
1993 #define CMD_TARGET_PANE_USAGE "[-t target-pane]"
1994 #define CMD_TARGET_WINDOW_USAGE "[-t target-window]"
1995 #define CMD_TARGET_SESSION_USAGE "[-t target-session]"
1996 #define CMD_TARGET_CLIENT_USAGE "[-t target-client]"
1997 #define CMD_SRCDST_PANE_USAGE "[-s src-pane] [-t dst-pane]"
1998 #define CMD_SRCDST_WINDOW_USAGE "[-s src-window] [-t dst-window]"
1999 #define CMD_SRCDST_SESSION_USAGE "[-s src-session] [-t dst-session]"
2000 #define CMD_SRCDST_CLIENT_USAGE "[-s src-client] [-t dst-client]"
2001 #define CMD_BUFFER_USAGE "[-b buffer-name]"
2002 
2003 /* Spawn common context. */
2004 struct spawn_context {
2005 	struct cmdq_item	 *item;
2006 
2007 	struct session		 *s;
2008 	struct winlink		 *wl;
2009 	struct client		 *tc;
2010 
2011 	struct window_pane	 *wp0;
2012 	struct layout_cell	 *lc;
2013 
2014 	const char		 *name;
2015 	char			**argv;
2016 	int			  argc;
2017 	struct environ		 *environ;
2018 
2019 	int			  idx;
2020 	const char		 *cwd;
2021 
2022 	int			  flags;
2023 #define SPAWN_KILL 0x1
2024 #define SPAWN_DETACHED 0x2
2025 #define SPAWN_RESPAWN 0x4
2026 #define SPAWN_BEFORE 0x8
2027 #define SPAWN_NONOTIFY 0x10
2028 #define SPAWN_FULLSIZE 0x20
2029 #define SPAWN_EMPTY 0x40
2030 #define SPAWN_ZOOM 0x80
2031 };
2032 
2033 /* Mode tree sort order. */
2034 struct mode_tree_sort_criteria {
2035 	u_int	field;
2036 	int	reversed;
2037 };
2038 
2039 /* tmux.c */
2040 extern struct options	*global_options;
2041 extern struct options	*global_s_options;
2042 extern struct options	*global_w_options;
2043 extern struct environ	*global_environ;
2044 extern struct timeval	 start_time;
2045 extern const char	*socket_path;
2046 extern const char	*shell_command;
2047 extern int		 ptm_fd;
2048 extern const char	*shell_command;
2049 int		 checkshell(const char *);
2050 void		 setblocking(int, int);
2051 uint64_t	 get_timer(void);
2052 const char	*sig2name(int);
2053 const char	*find_cwd(void);
2054 const char	*find_home(void);
2055 const char	*getversion(void);
2056 
2057 /* proc.c */
2058 struct imsg;
2059 int	proc_send(struct tmuxpeer *, enum msgtype, int, const void *, size_t);
2060 struct tmuxproc *proc_start(const char *);
2061 void	proc_loop(struct tmuxproc *, int (*)(void));
2062 void	proc_exit(struct tmuxproc *);
2063 void	proc_set_signals(struct tmuxproc *, void(*)(int));
2064 void	proc_clear_signals(struct tmuxproc *, int);
2065 struct tmuxpeer *proc_add_peer(struct tmuxproc *, int,
2066 	    void (*)(struct imsg *, void *), void *);
2067 void	proc_remove_peer(struct tmuxpeer *);
2068 void	proc_kill_peer(struct tmuxpeer *);
2069 void	proc_flush_peer(struct tmuxpeer *);
2070 void	proc_toggle_log(struct tmuxproc *);
2071 pid_t	proc_fork_and_daemon(int *);
2072 uid_t	proc_get_peer_uid(struct tmuxpeer *);
2073 
2074 /* cfg.c */
2075 extern int cfg_finished;
2076 extern struct client *cfg_client;
2077 extern char **cfg_files;
2078 extern u_int cfg_nfiles;
2079 extern int cfg_quiet;
2080 void	start_cfg(void);
2081 int	load_cfg(const char *, struct client *, struct cmdq_item *, int,
2082 	    struct cmdq_item **);
2083 int	load_cfg_from_buffer(const void *, size_t, const char *,
2084 	    struct client *, struct cmdq_item *, int, struct cmdq_item **);
2085 void printflike(1, 2) cfg_add_cause(const char *, ...);
2086 void	cfg_print_causes(struct cmdq_item *);
2087 void	cfg_show_causes(struct session *);
2088 
2089 /* paste.c */
2090 struct paste_buffer;
2091 const char	*paste_buffer_name(struct paste_buffer *);
2092 u_int		 paste_buffer_order(struct paste_buffer *);
2093 time_t		 paste_buffer_created(struct paste_buffer *);
2094 const char	*paste_buffer_data(struct paste_buffer *, size_t *);
2095 struct paste_buffer *paste_walk(struct paste_buffer *);
2096 int		 paste_is_empty(void);
2097 struct paste_buffer *paste_get_top(const char **);
2098 struct paste_buffer *paste_get_name(const char *);
2099 void		 paste_free(struct paste_buffer *);
2100 void		 paste_add(const char *, char *, size_t);
2101 int		 paste_rename(const char *, const char *, char **);
2102 int		 paste_set(char *, size_t, const char *, char **);
2103 void		 paste_replace(struct paste_buffer *, char *, size_t);
2104 char		*paste_make_sample(struct paste_buffer *);
2105 
2106 /* format.c */
2107 #define FORMAT_STATUS 0x1
2108 #define FORMAT_FORCE 0x2
2109 #define FORMAT_NOJOBS 0x4
2110 #define FORMAT_VERBOSE 0x8
2111 #define FORMAT_NONE 0
2112 #define FORMAT_PANE 0x80000000U
2113 #define FORMAT_WINDOW 0x40000000U
2114 struct format_tree;
2115 struct format_modifier;
2116 typedef void *(*format_cb)(struct format_tree *);
2117 void		 format_tidy_jobs(void);
2118 const char	*format_skip(const char *, const char *);
2119 int		 format_true(const char *);
2120 struct format_tree *format_create(struct client *, struct cmdq_item *, int,
2121 		     int);
2122 void		 format_free(struct format_tree *);
2123 void		 format_merge(struct format_tree *, struct format_tree *);
2124 struct window_pane *format_get_pane(struct format_tree *);
2125 void printflike(3, 4) format_add(struct format_tree *, const char *,
2126 		     const char *, ...);
2127 void		 format_add_tv(struct format_tree *, const char *,
2128 		     struct timeval *);
2129 void		 format_add_cb(struct format_tree *, const char *, format_cb);
2130 void		 format_log_debug(struct format_tree *, const char *);
2131 void		 format_each(struct format_tree *, void (*)(const char *,
2132 		     const char *, void *), void *);
2133 char		*format_pretty_time(time_t, int);
2134 char		*format_expand_time(struct format_tree *, const char *);
2135 char		*format_expand(struct format_tree *, const char *);
2136 char		*format_single(struct cmdq_item *, const char *,
2137 		     struct client *, struct session *, struct winlink *,
2138 		     struct window_pane *);
2139 char		*format_single_from_state(struct cmdq_item *, const char *,
2140 		    struct client *, struct cmd_find_state *);
2141 char		*format_single_from_target(struct cmdq_item *, const char *);
2142 struct format_tree *format_create_defaults(struct cmdq_item *, struct client *,
2143 		     struct session *, struct winlink *, struct window_pane *);
2144 struct format_tree *format_create_from_state(struct cmdq_item *,
2145 		     struct client *, struct cmd_find_state *);
2146 struct format_tree *format_create_from_target(struct cmdq_item *);
2147 void		 format_defaults(struct format_tree *, struct client *,
2148 		     struct session *, struct winlink *, struct window_pane *);
2149 void		 format_defaults_window(struct format_tree *, struct window *);
2150 void		 format_defaults_pane(struct format_tree *,
2151 		     struct window_pane *);
2152 void		 format_defaults_paste_buffer(struct format_tree *,
2153 		     struct paste_buffer *);
2154 void		 format_lost_client(struct client *);
2155 char		*format_grid_word(struct grid *, u_int, u_int);
2156 char		*format_grid_hyperlink(struct grid *, u_int, u_int,
2157 		     struct screen *);
2158 char		*format_grid_line(struct grid *, u_int);
2159 
2160 /* format-draw.c */
2161 void		 format_draw(struct screen_write_ctx *,
2162 		     const struct grid_cell *, u_int, const char *,
2163 		     struct style_ranges *, int);
2164 u_int		 format_width(const char *);
2165 char		*format_trim_left(const char *, u_int);
2166 char		*format_trim_right(const char *, u_int);
2167 
2168 /* notify.c */
2169 void	notify_hook(struct cmdq_item *, const char *);
2170 void	notify_client(const char *, struct client *);
2171 void	notify_session(const char *, struct session *);
2172 void	notify_winlink(const char *, struct winlink *);
2173 void	notify_session_window(const char *, struct session *, struct window *);
2174 void	notify_window(const char *, struct window *);
2175 void	notify_pane(const char *, struct window_pane *);
2176 void	notify_paste_buffer(const char *, int);
2177 
2178 /* options.c */
2179 struct options	*options_create(struct options *);
2180 void		 options_free(struct options *);
2181 struct options	*options_get_parent(struct options *);
2182 void		 options_set_parent(struct options *, struct options *);
2183 struct options_entry *options_first(struct options *);
2184 struct options_entry *options_next(struct options_entry *);
2185 struct options_entry *options_empty(struct options *,
2186 		     const struct options_table_entry *);
2187 struct options_entry *options_default(struct options *,
2188 		     const struct options_table_entry *);
2189 char		*options_default_to_string(const struct options_table_entry *);
2190 const char	*options_name(struct options_entry *);
2191 struct options	*options_owner(struct options_entry *);
2192 const struct options_table_entry *options_table_entry(struct options_entry *);
2193 struct options_entry *options_get_only(struct options *, const char *);
2194 struct options_entry *options_get(struct options *, const char *);
2195 void		 options_array_clear(struct options_entry *);
2196 union options_value *options_array_get(struct options_entry *, u_int);
2197 int		 options_array_set(struct options_entry *, u_int, const char *,
2198 		     int, char **);
2199 int		 options_array_assign(struct options_entry *, const char *,
2200 		     char **);
2201 struct options_array_item *options_array_first(struct options_entry *);
2202 struct options_array_item *options_array_next(struct options_array_item *);
2203 u_int		 options_array_item_index(struct options_array_item *);
2204 union options_value *options_array_item_value(struct options_array_item *);
2205 int		 options_is_array(struct options_entry *);
2206 int		 options_is_string(struct options_entry *);
2207 char		*options_to_string(struct options_entry *, int, int);
2208 char		*options_parse(const char *, int *);
2209 struct options_entry *options_parse_get(struct options *, const char *, int *,
2210 		     int);
2211 char		*options_match(const char *, int *, int *);
2212 struct options_entry *options_match_get(struct options *, const char *, int *,
2213 		     int, int *);
2214 const char	*options_get_string(struct options *, const char *);
2215 long long	 options_get_number(struct options *, const char *);
2216 struct options_entry * printflike(4, 5) options_set_string(struct options *,
2217 		     const char *, int, const char *, ...);
2218 struct options_entry *options_set_number(struct options *, const char *,
2219 		     long long);
2220 int		 options_scope_from_name(struct args *, int,
2221 		     const char *, struct cmd_find_state *, struct options **,
2222 		     char **);
2223 int		 options_scope_from_flags(struct args *, int,
2224 		     struct cmd_find_state *, struct options **, char **);
2225 struct style	*options_string_to_style(struct options *, const char *,
2226 		     struct format_tree *);
2227 int		 options_from_string(struct options *,
2228 		     const struct options_table_entry *, const char *,
2229 		     const char *, int, char **);
2230 int	 	 options_find_choice(const struct options_table_entry *,
2231 		     const char *, char **);
2232 void		 options_push_changes(const char *);
2233 int		 options_remove_or_default(struct options_entry *, int,
2234 		     char **);
2235 
2236 /* options-table.c */
2237 extern const struct options_table_entry	options_table[];
2238 extern const struct options_name_map	options_other_names[];
2239 
2240 /* job.c */
2241 typedef void (*job_update_cb) (struct job *);
2242 typedef void (*job_complete_cb) (struct job *);
2243 typedef void (*job_free_cb) (void *);
2244 #define JOB_NOWAIT 0x1
2245 #define JOB_KEEPWRITE 0x2
2246 #define JOB_PTY 0x4
2247 struct job	*job_run(const char *, int, char **, struct environ *,
2248 		     struct session *, const char *, job_update_cb,
2249 		     job_complete_cb, job_free_cb, void *, int, int, int);
2250 void		 job_free(struct job *);
2251 int		 job_transfer(struct job *, pid_t *, char *, size_t);
2252 void		 job_resize(struct job *, u_int, u_int);
2253 void		 job_check_died(pid_t, int);
2254 int		 job_get_status(struct job *);
2255 void		*job_get_data(struct job *);
2256 struct bufferevent *job_get_event(struct job *);
2257 void		 job_kill_all(void);
2258 int		 job_still_running(void);
2259 void		 job_print_summary(struct cmdq_item *, int);
2260 
2261 /* environ.c */
2262 struct environ *environ_create(void);
2263 void	environ_free(struct environ *);
2264 struct environ_entry *environ_first(struct environ *);
2265 struct environ_entry *environ_next(struct environ_entry *);
2266 void	environ_copy(struct environ *, struct environ *);
2267 struct environ_entry *environ_find(struct environ *, const char *);
2268 void printflike(4, 5) environ_set(struct environ *, const char *, int,
2269 	    const char *, ...);
2270 void	environ_clear(struct environ *, const char *);
2271 void	environ_put(struct environ *, const char *, int);
2272 void	environ_unset(struct environ *, const char *);
2273 void	environ_update(struct options *, struct environ *, struct environ *);
2274 void	environ_push(struct environ *);
2275 void printflike(2, 3) environ_log(struct environ *, const char *, ...);
2276 struct environ *environ_for_session(struct session *, int);
2277 
2278 /* tty.c */
2279 void	tty_create_log(void);
2280 int	tty_window_bigger(struct tty *);
2281 int	tty_window_offset(struct tty *, u_int *, u_int *, u_int *, u_int *);
2282 void	tty_update_window_offset(struct window *);
2283 void	tty_update_client_offset(struct client *);
2284 void	tty_raw(struct tty *, const char *);
2285 void	tty_attributes(struct tty *, const struct grid_cell *,
2286 	    const struct grid_cell *, struct colour_palette *,
2287 	    struct hyperlinks *);
2288 void	tty_reset(struct tty *);
2289 void	tty_region_off(struct tty *);
2290 void	tty_margin_off(struct tty *);
2291 void	tty_cursor(struct tty *, u_int, u_int);
2292 void	tty_clipboard_query(struct tty *);
2293 void	tty_putcode(struct tty *, enum tty_code_code);
2294 void	tty_putcode1(struct tty *, enum tty_code_code, int);
2295 void	tty_putcode2(struct tty *, enum tty_code_code, int, int);
2296 void	tty_putcode3(struct tty *, enum tty_code_code, int, int, int);
2297 void	tty_putcode_ptr1(struct tty *, enum tty_code_code, const void *);
2298 void	tty_putcode_ptr2(struct tty *, enum tty_code_code, const void *,
2299 	    const void *);
2300 void	tty_puts(struct tty *, const char *);
2301 void	tty_putc(struct tty *, u_char);
2302 void	tty_putn(struct tty *, const void *, size_t, u_int);
2303 void	tty_cell(struct tty *, const struct grid_cell *,
2304 	    const struct grid_cell *, struct colour_palette *,
2305 	    struct hyperlinks *);
2306 int	tty_init(struct tty *, struct client *);
2307 void	tty_resize(struct tty *);
2308 void	tty_set_size(struct tty *, u_int, u_int, u_int, u_int);
2309 void	tty_start_tty(struct tty *);
2310 void	tty_send_requests(struct tty *);
2311 void	tty_stop_tty(struct tty *);
2312 void	tty_set_title(struct tty *, const char *);
2313 void	tty_set_path(struct tty *, const char *);
2314 void	tty_update_mode(struct tty *, int, struct screen *);
2315 void	tty_draw_line(struct tty *, struct screen *, u_int, u_int, u_int,
2316 	    u_int, u_int, const struct grid_cell *, struct colour_palette *);
2317 void	tty_sync_start(struct tty *);
2318 void	tty_sync_end(struct tty *);
2319 int	tty_open(struct tty *, char **);
2320 void	tty_close(struct tty *);
2321 void	tty_free(struct tty *);
2322 void	tty_update_features(struct tty *);
2323 void	tty_set_selection(struct tty *, const char *, const char *, size_t);
2324 void	tty_write(void (*)(struct tty *, const struct tty_ctx *),
2325 	    struct tty_ctx *);
2326 void	tty_cmd_alignmenttest(struct tty *, const struct tty_ctx *);
2327 void	tty_cmd_cell(struct tty *, const struct tty_ctx *);
2328 void	tty_cmd_cells(struct tty *, const struct tty_ctx *);
2329 void	tty_cmd_clearendofline(struct tty *, const struct tty_ctx *);
2330 void	tty_cmd_clearendofscreen(struct tty *, const struct tty_ctx *);
2331 void	tty_cmd_clearline(struct tty *, const struct tty_ctx *);
2332 void	tty_cmd_clearscreen(struct tty *, const struct tty_ctx *);
2333 void	tty_cmd_clearstartofline(struct tty *, const struct tty_ctx *);
2334 void	tty_cmd_clearstartofscreen(struct tty *, const struct tty_ctx *);
2335 void	tty_cmd_deletecharacter(struct tty *, const struct tty_ctx *);
2336 void	tty_cmd_clearcharacter(struct tty *, const struct tty_ctx *);
2337 void	tty_cmd_deleteline(struct tty *, const struct tty_ctx *);
2338 void	tty_cmd_erasecharacter(struct tty *, const struct tty_ctx *);
2339 void	tty_cmd_insertcharacter(struct tty *, const struct tty_ctx *);
2340 void	tty_cmd_insertline(struct tty *, const struct tty_ctx *);
2341 void	tty_cmd_linefeed(struct tty *, const struct tty_ctx *);
2342 void	tty_cmd_scrollup(struct tty *, const struct tty_ctx *);
2343 void	tty_cmd_scrolldown(struct tty *, const struct tty_ctx *);
2344 void	tty_cmd_reverseindex(struct tty *, const struct tty_ctx *);
2345 void	tty_cmd_setselection(struct tty *, const struct tty_ctx *);
2346 void	tty_cmd_rawstring(struct tty *, const struct tty_ctx *);
2347 void	tty_cmd_syncstart(struct tty *, const struct tty_ctx *);
2348 void	tty_default_colours(struct grid_cell *, struct window_pane *);
2349 
2350 /* tty-term.c */
2351 extern struct tty_terms tty_terms;
2352 u_int		 tty_term_ncodes(void);
2353 void		 tty_term_apply(struct tty_term *, const char *, int);
2354 void		 tty_term_apply_overrides(struct tty_term *);
2355 struct tty_term *tty_term_create(struct tty *, char *, char **, u_int, int *,
2356 		     char **);
2357 void		 tty_term_free(struct tty_term *);
2358 int		 tty_term_read_list(const char *, int, char ***, u_int *,
2359 		     char **);
2360 void		 tty_term_free_list(char **, u_int);
2361 int		 tty_term_has(struct tty_term *, enum tty_code_code);
2362 const char	*tty_term_string(struct tty_term *, enum tty_code_code);
2363 const char	*tty_term_string1(struct tty_term *, enum tty_code_code, int);
2364 const char	*tty_term_string2(struct tty_term *, enum tty_code_code, int,
2365 		     int);
2366 const char	*tty_term_string3(struct tty_term *, enum tty_code_code, int,
2367 		     int, int);
2368 const char	*tty_term_ptr1(struct tty_term *, enum tty_code_code,
2369 		     const void *);
2370 const char	*tty_term_ptr2(struct tty_term *, enum tty_code_code,
2371 		     const void *, const void *);
2372 int		 tty_term_number(struct tty_term *, enum tty_code_code);
2373 int		 tty_term_flag(struct tty_term *, enum tty_code_code);
2374 const char	*tty_term_describe(struct tty_term *, enum tty_code_code);
2375 
2376 /* tty-features.c */
2377 void		 tty_add_features(int *, const char *, const char *);
2378 const char	*tty_get_features(int);
2379 int		 tty_apply_features(struct tty_term *, int);
2380 void		 tty_default_features(int *, const char *, u_int);
2381 
2382 /* tty-acs.c */
2383 int		 tty_acs_needed(struct tty *);
2384 const char	*tty_acs_get(struct tty *, u_char);
2385 int		 tty_acs_reverse_get(struct tty *, const char *, size_t);
2386 const struct utf8_data *tty_acs_double_borders(int);
2387 const struct utf8_data *tty_acs_heavy_borders(int);
2388 const struct utf8_data *tty_acs_rounded_borders(int);
2389 
2390 /* tty-keys.c */
2391 void		tty_keys_build(struct tty *);
2392 void		tty_keys_free(struct tty *);
2393 int		tty_keys_next(struct tty *);
2394 
2395 /* arguments.c */
2396 void		 args_set(struct args *, u_char, struct args_value *, int);
2397 struct args 	*args_create(void);
2398 struct args	*args_parse(const struct args_parse *, struct args_value *,
2399 		     u_int, char **);
2400 struct args	*args_copy(struct args *, int, char **);
2401 void		 args_to_vector(struct args *, int *, char ***);
2402 struct args_value *args_from_vector(int, char **);
2403 void		 args_free_value(struct args_value *);
2404 void		 args_free_values(struct args_value *, u_int);
2405 void		 args_free(struct args *);
2406 char		*args_print(struct args *);
2407 char		*args_escape(const char *);
2408 int		 args_has(struct args *, u_char);
2409 const char	*args_get(struct args *, u_char);
2410 u_char		 args_first(struct args *, struct args_entry **);
2411 u_char		 args_next(struct args_entry **);
2412 u_int		 args_count(struct args *);
2413 struct args_value *args_values(struct args *);
2414 struct args_value *args_value(struct args *, u_int);
2415 const char	*args_string(struct args *, u_int);
2416 struct cmd_list	*args_make_commands_now(struct cmd *, struct cmdq_item *,
2417 		     u_int, int);
2418 struct args_command_state *args_make_commands_prepare(struct cmd *,
2419 		     struct cmdq_item *, u_int, const char *, int, int);
2420 struct cmd_list *args_make_commands(struct args_command_state *, int, char **,
2421 		     char **);
2422 void		 args_make_commands_free(struct args_command_state *);
2423 char		*args_make_commands_get_command(struct args_command_state *);
2424 struct args_value *args_first_value(struct args *, u_char);
2425 struct args_value *args_next_value(struct args_value *);
2426 long long	 args_strtonum(struct args *, u_char, long long, long long,
2427 		     char **);
2428 long long	 args_strtonum_and_expand(struct args *, u_char, long long,
2429 		     long long, struct cmdq_item *, char **);
2430 long long	 args_percentage(struct args *, u_char, long long,
2431 		     long long, long long, char **);
2432 long long	 args_string_percentage(const char *, long long, long long,
2433 		     long long, char **);
2434 long long	 args_percentage_and_expand(struct args *, u_char, long long,
2435 		     long long, long long, struct cmdq_item *, char **);
2436 long long	 args_string_percentage_and_expand(const char *, long long,
2437 		     long long, long long, struct cmdq_item *, char **);
2438 
2439 /* cmd-find.c */
2440 int		 cmd_find_target(struct cmd_find_state *, struct cmdq_item *,
2441 		     const char *, enum cmd_find_type, int);
2442 struct client	*cmd_find_best_client(struct session *);
2443 struct client	*cmd_find_client(struct cmdq_item *, const char *, int);
2444 void		 cmd_find_clear_state(struct cmd_find_state *, int);
2445 int		 cmd_find_empty_state(struct cmd_find_state *);
2446 int		 cmd_find_valid_state(struct cmd_find_state *);
2447 void		 cmd_find_copy_state(struct cmd_find_state *,
2448 		     struct cmd_find_state *);
2449 void		 cmd_find_from_session(struct cmd_find_state *,
2450 		     struct session *, int);
2451 void		 cmd_find_from_winlink(struct cmd_find_state *,
2452 		     struct winlink *, int);
2453 int		 cmd_find_from_session_window(struct cmd_find_state *,
2454 		     struct session *, struct window *, int);
2455 int		 cmd_find_from_window(struct cmd_find_state *, struct window *,
2456 		     int);
2457 void		 cmd_find_from_winlink_pane(struct cmd_find_state *,
2458 		     struct winlink *, struct window_pane *, int);
2459 int		 cmd_find_from_pane(struct cmd_find_state *,
2460 		     struct window_pane *, int);
2461 int		 cmd_find_from_client(struct cmd_find_state *, struct client *,
2462 		     int);
2463 int		 cmd_find_from_mouse(struct cmd_find_state *,
2464 		     struct mouse_event *, int);
2465 int		 cmd_find_from_nothing(struct cmd_find_state *, int);
2466 
2467 /* cmd.c */
2468 extern const struct cmd_entry *cmd_table[];
2469 void printflike(3, 4) cmd_log_argv(int, char **, const char *, ...);
2470 void		 cmd_prepend_argv(int *, char ***, const char *);
2471 void		 cmd_append_argv(int *, char ***, const char *);
2472 int		 cmd_pack_argv(int, char **, char *, size_t);
2473 int		 cmd_unpack_argv(char *, size_t, int, char ***);
2474 char	       **cmd_copy_argv(int, char **);
2475 void		 cmd_free_argv(int, char **);
2476 char		*cmd_stringify_argv(int, char **);
2477 char		*cmd_get_alias(const char *);
2478 const struct cmd_entry *cmd_get_entry(struct cmd *);
2479 struct args	*cmd_get_args(struct cmd *);
2480 u_int		 cmd_get_group(struct cmd *);
2481 void		 cmd_get_source(struct cmd *, const char **, u_int *);
2482 struct cmd	*cmd_parse(struct args_value *, u_int, const char *, u_int,
2483 		     char **);
2484 struct cmd	*cmd_copy(struct cmd *, int, char **);
2485 void		 cmd_free(struct cmd *);
2486 char		*cmd_print(struct cmd *);
2487 struct cmd_list	*cmd_list_new(void);
2488 struct cmd_list	*cmd_list_copy(struct cmd_list *, int, char **);
2489 void		 cmd_list_append(struct cmd_list *, struct cmd *);
2490 void		 cmd_list_append_all(struct cmd_list *, struct cmd_list *);
2491 void		 cmd_list_move(struct cmd_list *, struct cmd_list *);
2492 void		 cmd_list_free(struct cmd_list *);
2493 char		*cmd_list_print(struct cmd_list *, int);
2494 struct cmd	*cmd_list_first(struct cmd_list *);
2495 struct cmd	*cmd_list_next(struct cmd *);
2496 int		 cmd_list_all_have(struct cmd_list *, int);
2497 int		 cmd_list_any_have(struct cmd_list *, int);
2498 int		 cmd_mouse_at(struct window_pane *, struct mouse_event *,
2499 		     u_int *, u_int *, int);
2500 struct winlink	*cmd_mouse_window(struct mouse_event *, struct session **);
2501 struct window_pane *cmd_mouse_pane(struct mouse_event *, struct session **,
2502 		     struct winlink **);
2503 char		*cmd_template_replace(const char *, const char *, int);
2504 
2505 /* cmd-attach-session.c */
2506 enum cmd_retval	 cmd_attach_session(struct cmdq_item *, const char *, int, int,
2507 		     int, const char *, int, const char *);
2508 
2509 /* cmd-parse.c */
2510 void		 cmd_parse_empty(struct cmd_parse_input *);
2511 struct cmd_parse_result *cmd_parse_from_file(FILE *, struct cmd_parse_input *);
2512 struct cmd_parse_result *cmd_parse_from_string(const char *,
2513 		     struct cmd_parse_input *);
2514 enum cmd_parse_status cmd_parse_and_insert(const char *,
2515 		     struct cmd_parse_input *, struct cmdq_item *,
2516 		     struct cmdq_state *, char **);
2517 enum cmd_parse_status cmd_parse_and_append(const char *,
2518 		     struct cmd_parse_input *, struct client *,
2519 		     struct cmdq_state *, char **);
2520 struct cmd_parse_result *cmd_parse_from_buffer(const void *, size_t,
2521 		     struct cmd_parse_input *);
2522 struct cmd_parse_result *cmd_parse_from_arguments(struct args_value *, u_int,
2523 		     struct cmd_parse_input *);
2524 
2525 /* cmd-queue.c */
2526 struct cmdq_state *cmdq_new_state(struct cmd_find_state *, struct key_event *,
2527 		     int);
2528 struct cmdq_state *cmdq_link_state(struct cmdq_state *);
2529 struct cmdq_state *cmdq_copy_state(struct cmdq_state *);
2530 void		  cmdq_free_state(struct cmdq_state *);
2531 void printflike(3, 4) cmdq_add_format(struct cmdq_state *, const char *,
2532 		     const char *, ...);
2533 void		  cmdq_add_formats(struct cmdq_state *, struct format_tree *);
2534 void		  cmdq_merge_formats(struct cmdq_item *, struct format_tree *);
2535 struct cmdq_list *cmdq_new(void);
2536 void cmdq_free(struct cmdq_list *);
2537 const char	 *cmdq_get_name(struct cmdq_item *);
2538 struct client	 *cmdq_get_client(struct cmdq_item *);
2539 struct client	 *cmdq_get_target_client(struct cmdq_item *);
2540 struct cmdq_state *cmdq_get_state(struct cmdq_item *);
2541 struct cmd_find_state *cmdq_get_target(struct cmdq_item *);
2542 struct cmd_find_state *cmdq_get_source(struct cmdq_item *);
2543 struct key_event *cmdq_get_event(struct cmdq_item *);
2544 struct cmd_find_state *cmdq_get_current(struct cmdq_item *);
2545 int		  cmdq_get_flags(struct cmdq_item *);
2546 struct cmdq_item *cmdq_get_command(struct cmd_list *, struct cmdq_state *);
2547 #define cmdq_get_callback(cb, data) cmdq_get_callback1(#cb, cb, data)
2548 struct cmdq_item *cmdq_get_callback1(const char *, cmdq_cb, void *);
2549 struct cmdq_item *cmdq_get_error(const char *);
2550 struct cmdq_item *cmdq_insert_after(struct cmdq_item *, struct cmdq_item *);
2551 struct cmdq_item *cmdq_append(struct client *, struct cmdq_item *);
2552 void printflike(4, 5) cmdq_insert_hook(struct session *, struct cmdq_item *,
2553 		     struct cmd_find_state *, const char *, ...);
2554 void		 cmdq_continue(struct cmdq_item *);
2555 u_int		 cmdq_next(struct client *);
2556 struct cmdq_item *cmdq_running(struct client *);
2557 void		 cmdq_guard(struct cmdq_item *, const char *, int);
2558 void printflike(2, 3) cmdq_print(struct cmdq_item *, const char *, ...);
2559 void 		 cmdq_print_data(struct cmdq_item *, int, struct evbuffer *);
2560 void printflike(2, 3) cmdq_error(struct cmdq_item *, const char *, ...);
2561 
2562 /* cmd-wait-for.c */
2563 void	cmd_wait_for_flush(void);
2564 
2565 /* client.c */
2566 int	client_main(struct event_base *, int, char **, uint64_t, int);
2567 
2568 /* key-bindings.c */
2569 struct key_table *key_bindings_get_table(const char *, int);
2570 struct key_table *key_bindings_first_table(void);
2571 struct key_table *key_bindings_next_table(struct key_table *);
2572 void	 key_bindings_unref_table(struct key_table *);
2573 struct key_binding *key_bindings_get(struct key_table *, key_code);
2574 struct key_binding *key_bindings_get_default(struct key_table *, key_code);
2575 struct key_binding *key_bindings_first(struct key_table *);
2576 struct key_binding *key_bindings_next(struct key_table *, struct key_binding *);
2577 void	 key_bindings_add(const char *, key_code, const char *, int,
2578 	     struct cmd_list *);
2579 void	 key_bindings_remove(const char *, key_code);
2580 void	 key_bindings_reset(const char *, key_code);
2581 void	 key_bindings_remove_table(const char *);
2582 void	 key_bindings_reset_table(const char *);
2583 void	 key_bindings_init(void);
2584 struct cmdq_item *key_bindings_dispatch(struct key_binding *,
2585 	     struct cmdq_item *, struct client *, struct key_event *,
2586 	     struct cmd_find_state *);
2587 
2588 /* key-string.c */
2589 key_code	 key_string_lookup_string(const char *);
2590 const char	*key_string_lookup_key(key_code, int);
2591 
2592 /* alerts.c */
2593 void	alerts_reset_all(void);
2594 void	alerts_queue(struct window *, int);
2595 void	alerts_check_session(struct session *);
2596 
2597 /* file.c */
2598 int	 file_cmp(struct client_file *, struct client_file *);
2599 RB_PROTOTYPE(client_files, client_file, entry, file_cmp);
2600 struct client_file *file_create_with_peer(struct tmuxpeer *,
2601 	    struct client_files *, int, client_file_cb, void *);
2602 struct client_file *file_create_with_client(struct client *, int,
2603 	    client_file_cb, void *);
2604 void	 file_free(struct client_file *);
2605 void	 file_fire_done(struct client_file *);
2606 void	 file_fire_read(struct client_file *);
2607 int	 file_can_print(struct client *);
2608 void printflike(2, 3) file_print(struct client *, const char *, ...);
2609 void printflike(2, 0) file_vprint(struct client *, const char *, va_list);
2610 void	 file_print_buffer(struct client *, void *, size_t);
2611 void printflike(2, 3) file_error(struct client *, const char *, ...);
2612 void	 file_write(struct client *, const char *, int, const void *, size_t,
2613 	     client_file_cb, void *);
2614 struct client_file *file_read(struct client *, const char *, client_file_cb,
2615 	     void *);
2616 void	 file_cancel(struct client_file *);
2617 void	 file_push(struct client_file *);
2618 int	 file_write_left(struct client_files *);
2619 void	 file_write_open(struct client_files *, struct tmuxpeer *,
2620 	     struct imsg *, int, int, client_file_cb, void *);
2621 void	 file_write_data(struct client_files *, struct imsg *);
2622 void	 file_write_close(struct client_files *, struct imsg *);
2623 void	 file_read_open(struct client_files *, struct tmuxpeer *, struct imsg *,
2624 	     int, int, client_file_cb, void *);
2625 void	 file_write_ready(struct client_files *, struct imsg *);
2626 void	 file_read_data(struct client_files *, struct imsg *);
2627 void	 file_read_done(struct client_files *, struct imsg *);
2628 void	 file_read_cancel(struct client_files *, struct imsg *);
2629 
2630 /* server.c */
2631 extern struct tmuxproc *server_proc;
2632 extern struct clients clients;
2633 extern struct cmd_find_state marked_pane;
2634 extern struct message_list message_log;
2635 extern time_t current_time;
2636 void	 server_set_marked(struct session *, struct winlink *,
2637 	     struct window_pane *);
2638 void	 server_clear_marked(void);
2639 int	 server_is_marked(struct session *, struct winlink *,
2640 	     struct window_pane *);
2641 int	 server_check_marked(void);
2642 int	 server_start(struct tmuxproc *, int, struct event_base *, int, char *);
2643 void	 server_update_socket(void);
2644 void	 server_add_accept(int);
2645 void printflike(1, 2) server_add_message(const char *, ...);
2646 
2647 /* server-client.c */
2648 RB_PROTOTYPE(client_windows, client_window, entry, server_client_window_cmp);
2649 u_int	 server_client_how_many(void);
2650 void	 server_client_set_overlay(struct client *, u_int, overlay_check_cb,
2651 	     overlay_mode_cb, overlay_draw_cb, overlay_key_cb,
2652 	     overlay_free_cb, overlay_resize_cb, void *);
2653 void	 server_client_clear_overlay(struct client *);
2654 void	 server_client_overlay_range(u_int, u_int, u_int, u_int, u_int, u_int,
2655 	     u_int, struct overlay_ranges *);
2656 void	 server_client_set_key_table(struct client *, const char *);
2657 const char *server_client_get_key_table(struct client *);
2658 int	 server_client_check_nested(struct client *);
2659 int	 server_client_handle_key(struct client *, struct key_event *);
2660 struct client *server_client_create(int);
2661 int	 server_client_open(struct client *, char **);
2662 void	 server_client_unref(struct client *);
2663 void	 server_client_set_session(struct client *, struct session *);
2664 void	 server_client_lost(struct client *);
2665 void	 server_client_suspend(struct client *);
2666 void	 server_client_detach(struct client *, enum msgtype);
2667 void	 server_client_exec(struct client *, const char *);
2668 void	 server_client_loop(void);
2669 void	 server_client_push_stdout(struct client *);
2670 void	 server_client_push_stderr(struct client *);
2671 const char *server_client_get_cwd(struct client *, struct session *);
2672 void	 server_client_set_flags(struct client *, const char *);
2673 const char *server_client_get_flags(struct client *);
2674 struct client_window *server_client_get_client_window(struct client *, u_int);
2675 struct client_window *server_client_add_client_window(struct client *, u_int);
2676 struct window_pane *server_client_get_pane(struct client *);
2677 void	 server_client_set_pane(struct client *, struct window_pane *);
2678 void	 server_client_remove_pane(struct window_pane *);
2679 
2680 /* server-fn.c */
2681 void	 server_redraw_client(struct client *);
2682 void	 server_status_client(struct client *);
2683 void	 server_redraw_session(struct session *);
2684 void	 server_redraw_session_group(struct session *);
2685 void	 server_status_session(struct session *);
2686 void	 server_status_session_group(struct session *);
2687 void	 server_redraw_window(struct window *);
2688 void	 server_redraw_window_borders(struct window *);
2689 void	 server_status_window(struct window *);
2690 void	 server_lock(void);
2691 void	 server_lock_session(struct session *);
2692 void	 server_lock_client(struct client *);
2693 void	 server_kill_pane(struct window_pane *);
2694 void	 server_kill_window(struct window *, int);
2695 void	 server_renumber_session(struct session *);
2696 void	 server_renumber_all(void);
2697 int	 server_link_window(struct session *,
2698 	     struct winlink *, struct session *, int, int, int, char **);
2699 void	 server_unlink_window(struct session *, struct winlink *);
2700 void	 server_destroy_pane(struct window_pane *, int);
2701 void	 server_destroy_session(struct session *);
2702 void	 server_check_unattached(void);
2703 void	 server_unzoom_window(struct window *);
2704 
2705 /* status.c */
2706 extern char	**status_prompt_hlist[];
2707 extern u_int	  status_prompt_hsize[];
2708 void	 status_timer_start(struct client *);
2709 void	 status_timer_start_all(void);
2710 void	 status_update_cache(struct session *);
2711 int	 status_at_line(struct client *);
2712 u_int	 status_line_size(struct client *);
2713 struct style_range *status_get_range(struct client *, u_int, u_int);
2714 void	 status_init(struct client *);
2715 void	 status_free(struct client *);
2716 int	 status_redraw(struct client *);
2717 void printflike(5, 6) status_message_set(struct client *, int, int, int,
2718 	     const char *, ...);
2719 void	 status_message_clear(struct client *);
2720 int	 status_message_redraw(struct client *);
2721 void	 status_prompt_set(struct client *, struct cmd_find_state *,
2722 	     const char *, const char *, prompt_input_cb, prompt_free_cb,
2723 	     void *, int, enum prompt_type);
2724 void	 status_prompt_clear(struct client *);
2725 int	 status_prompt_redraw(struct client *);
2726 int	 status_prompt_key(struct client *, key_code);
2727 void	 status_prompt_update(struct client *, const char *, const char *);
2728 void	 status_prompt_load_history(void);
2729 void	 status_prompt_save_history(void);
2730 const char *status_prompt_type_string(u_int);
2731 enum prompt_type status_prompt_type(const char *type);
2732 
2733 /* resize.c */
2734 void	 resize_window(struct window *, u_int, u_int, int, int);
2735 void	 default_window_size(struct client *, struct session *, struct window *,
2736 	     u_int *, u_int *, u_int *, u_int *, int);
2737 void	 recalculate_size(struct window *, int);
2738 void	 recalculate_sizes(void);
2739 void	 recalculate_sizes_now(int);
2740 
2741 /* input.c */
2742 struct input_ctx *input_init(struct window_pane *, struct bufferevent *,
2743 	     struct colour_palette *);
2744 void	 input_free(struct input_ctx *);
2745 void	 input_reset(struct input_ctx *, int);
2746 struct evbuffer *input_pending(struct input_ctx *);
2747 void	 input_parse_pane(struct window_pane *);
2748 void	 input_parse_buffer(struct window_pane *, u_char *, size_t);
2749 void	 input_parse_screen(struct input_ctx *, struct screen *,
2750 	     screen_write_init_ctx_cb, void *, u_char *, size_t);
2751 void	 input_reply_clipboard(struct bufferevent *, const char *, size_t,
2752 	     const char *);
2753 
2754 /* input-key.c */
2755 void	 input_key_build(void);
2756 int	 input_key_pane(struct window_pane *, key_code, struct mouse_event *);
2757 int	 input_key(struct screen *, struct bufferevent *, key_code);
2758 int	 input_key_get_mouse(struct screen *, struct mouse_event *, u_int,
2759 	     u_int, const char **, size_t *);
2760 
2761 /* colour.c */
2762 int	 colour_find_rgb(u_char, u_char, u_char);
2763 int	 colour_join_rgb(u_char, u_char, u_char);
2764 void	 colour_split_rgb(int, u_char *, u_char *, u_char *);
2765 int	 colour_force_rgb(int);
2766 const char *colour_tostring(int);
2767 int	 colour_fromstring(const char *s);
2768 int	 colour_256toRGB(int);
2769 int	 colour_256to16(int);
2770 int	 colour_byname(const char *);
2771 int	 colour_parseX11(const char *);
2772 void	 colour_palette_init(struct colour_palette *);
2773 void	 colour_palette_clear(struct colour_palette *);
2774 void	 colour_palette_free(struct colour_palette *);
2775 int	 colour_palette_get(struct colour_palette *, int);
2776 int	 colour_palette_set(struct colour_palette *, int, int);
2777 void	 colour_palette_from_option(struct colour_palette *, struct options *);
2778 
2779 /* attributes.c */
2780 const char *attributes_tostring(int);
2781 int	 attributes_fromstring(const char *);
2782 
2783 /* grid.c */
2784 extern const struct grid_cell grid_default_cell;
2785 void	 grid_empty_line(struct grid *, u_int, u_int);
2786 int	 grid_cells_equal(const struct grid_cell *, const struct grid_cell *);
2787 int	 grid_cells_look_equal(const struct grid_cell *,
2788 	     const struct grid_cell *);
2789 struct grid *grid_create(u_int, u_int, u_int);
2790 void	 grid_destroy(struct grid *);
2791 int	 grid_compare(struct grid *, struct grid *);
2792 void	 grid_collect_history(struct grid *);
2793 void	 grid_remove_history(struct grid *, u_int );
2794 void	 grid_scroll_history(struct grid *, u_int);
2795 void	 grid_scroll_history_region(struct grid *, u_int, u_int, u_int);
2796 void	 grid_clear_history(struct grid *);
2797 const struct grid_line *grid_peek_line(struct grid *, u_int);
2798 void	 grid_get_cell(struct grid *, u_int, u_int, struct grid_cell *);
2799 void	 grid_set_cell(struct grid *, u_int, u_int, const struct grid_cell *);
2800 void	 grid_set_padding(struct grid *, u_int, u_int);
2801 void	 grid_set_cells(struct grid *, u_int, u_int, const struct grid_cell *,
2802 	     const char *, size_t);
2803 struct grid_line *grid_get_line(struct grid *, u_int);
2804 void	 grid_adjust_lines(struct grid *, u_int);
2805 void	 grid_clear(struct grid *, u_int, u_int, u_int, u_int, u_int);
2806 void	 grid_clear_lines(struct grid *, u_int, u_int, u_int);
2807 void	 grid_move_lines(struct grid *, u_int, u_int, u_int, u_int);
2808 void	 grid_move_cells(struct grid *, u_int, u_int, u_int, u_int, u_int);
2809 char	*grid_string_cells(struct grid *, u_int, u_int, u_int,
2810 	     struct grid_cell **, int, struct screen *);
2811 void	 grid_duplicate_lines(struct grid *, u_int, struct grid *, u_int,
2812 	     u_int);
2813 void	 grid_reflow(struct grid *, u_int);
2814 void	 grid_wrap_position(struct grid *, u_int, u_int, u_int *, u_int *);
2815 void	 grid_unwrap_position(struct grid *, u_int *, u_int *, u_int, u_int);
2816 u_int	 grid_line_length(struct grid *, u_int);
2817 
2818 /* grid-reader.c */
2819 void	 grid_reader_start(struct grid_reader *, struct grid *, u_int, u_int);
2820 void	 grid_reader_get_cursor(struct grid_reader *, u_int *, u_int *);
2821 u_int	 grid_reader_line_length(struct grid_reader *);
2822 int	 grid_reader_in_set(struct grid_reader *, const char *);
2823 void	 grid_reader_cursor_right(struct grid_reader *, int, int);
2824 void	 grid_reader_cursor_left(struct grid_reader *, int);
2825 void	 grid_reader_cursor_down(struct grid_reader *);
2826 void	 grid_reader_cursor_up(struct grid_reader *);
2827 void	 grid_reader_cursor_start_of_line(struct grid_reader *, int);
2828 void	 grid_reader_cursor_end_of_line(struct grid_reader *, int, int);
2829 void	 grid_reader_cursor_next_word(struct grid_reader *, const char *);
2830 void	 grid_reader_cursor_next_word_end(struct grid_reader *, const char *);
2831 void	 grid_reader_cursor_previous_word(struct grid_reader *, const char *,
2832 	     int, int);
2833 int	 grid_reader_cursor_jump(struct grid_reader *,
2834 	     const struct utf8_data *);
2835 int	 grid_reader_cursor_jump_back(struct grid_reader *,
2836 	     const struct utf8_data *);
2837 void	 grid_reader_cursor_back_to_indentation(struct grid_reader *);
2838 
2839 /* grid-view.c */
2840 void	 grid_view_get_cell(struct grid *, u_int, u_int, struct grid_cell *);
2841 void	 grid_view_set_cell(struct grid *, u_int, u_int,
2842 	     const struct grid_cell *);
2843 void	 grid_view_set_padding(struct grid *, u_int, u_int);
2844 void	 grid_view_set_cells(struct grid *, u_int, u_int,
2845 	     const struct grid_cell *, const char *, size_t);
2846 void	 grid_view_clear_history(struct grid *, u_int);
2847 void	 grid_view_clear(struct grid *, u_int, u_int, u_int, u_int, u_int);
2848 void	 grid_view_scroll_region_up(struct grid *, u_int, u_int, u_int);
2849 void	 grid_view_scroll_region_down(struct grid *, u_int, u_int, u_int);
2850 void	 grid_view_insert_lines(struct grid *, u_int, u_int, u_int);
2851 void	 grid_view_insert_lines_region(struct grid *, u_int, u_int, u_int,
2852 	     u_int);
2853 void	 grid_view_delete_lines(struct grid *, u_int, u_int, u_int);
2854 void	 grid_view_delete_lines_region(struct grid *, u_int, u_int, u_int,
2855 	     u_int);
2856 void	 grid_view_insert_cells(struct grid *, u_int, u_int, u_int, u_int);
2857 void	 grid_view_delete_cells(struct grid *, u_int, u_int, u_int, u_int);
2858 char	*grid_view_string_cells(struct grid *, u_int, u_int, u_int);
2859 
2860 /* screen-write.c */
2861 void	 screen_write_make_list(struct screen *);
2862 void	 screen_write_free_list(struct screen *);
2863 void	 screen_write_start_pane(struct screen_write_ctx *,
2864 	     struct window_pane *, struct screen *);
2865 void	 screen_write_start(struct screen_write_ctx *, struct screen *);
2866 void	 screen_write_start_callback(struct screen_write_ctx *, struct screen *,
2867 	     screen_write_init_ctx_cb, void *);
2868 void	 screen_write_stop(struct screen_write_ctx *);
2869 void	 screen_write_reset(struct screen_write_ctx *);
2870 size_t printflike(1, 2) screen_write_strlen(const char *, ...);
2871 int printflike(7, 8) screen_write_text(struct screen_write_ctx *, u_int, u_int,
2872 	     u_int, int, const struct grid_cell *, const char *, ...);
2873 void printflike(3, 4) screen_write_puts(struct screen_write_ctx *,
2874 	     const struct grid_cell *, const char *, ...);
2875 void printflike(4, 5) screen_write_nputs(struct screen_write_ctx *,
2876 	     ssize_t, const struct grid_cell *, const char *, ...);
2877 void printflike(4, 0) screen_write_vnputs(struct screen_write_ctx *, ssize_t,
2878 	     const struct grid_cell *, const char *, va_list);
2879 void	 screen_write_putc(struct screen_write_ctx *, const struct grid_cell *,
2880 	     u_char);
2881 void	 screen_write_fast_copy(struct screen_write_ctx *, struct screen *,
2882 	     u_int, u_int, u_int, u_int);
2883 void	 screen_write_hline(struct screen_write_ctx *, u_int, int, int);
2884 void	 screen_write_vline(struct screen_write_ctx *, u_int, int, int);
2885 void	 screen_write_menu(struct screen_write_ctx *, struct menu *, int,
2886 	     const struct grid_cell *);
2887 void	 screen_write_box(struct screen_write_ctx *, u_int, u_int, int,
2888 	     const struct grid_cell *, const char *);
2889 void	 screen_write_preview(struct screen_write_ctx *, struct screen *, u_int,
2890 	     u_int);
2891 void	 screen_write_backspace(struct screen_write_ctx *);
2892 void	 screen_write_mode_set(struct screen_write_ctx *, int);
2893 void	 screen_write_mode_clear(struct screen_write_ctx *, int);
2894 void	 screen_write_cursorup(struct screen_write_ctx *, u_int);
2895 void	 screen_write_cursordown(struct screen_write_ctx *, u_int);
2896 void	 screen_write_cursorright(struct screen_write_ctx *, u_int);
2897 void	 screen_write_cursorleft(struct screen_write_ctx *, u_int);
2898 void	 screen_write_alignmenttest(struct screen_write_ctx *);
2899 void	 screen_write_insertcharacter(struct screen_write_ctx *, u_int, u_int);
2900 void	 screen_write_deletecharacter(struct screen_write_ctx *, u_int, u_int);
2901 void	 screen_write_clearcharacter(struct screen_write_ctx *, u_int, u_int);
2902 void	 screen_write_insertline(struct screen_write_ctx *, u_int, u_int);
2903 void	 screen_write_deleteline(struct screen_write_ctx *, u_int, u_int);
2904 void	 screen_write_clearline(struct screen_write_ctx *, u_int);
2905 void	 screen_write_clearendofline(struct screen_write_ctx *, u_int);
2906 void	 screen_write_clearstartofline(struct screen_write_ctx *, u_int);
2907 void	 screen_write_cursormove(struct screen_write_ctx *, int, int, int);
2908 void	 screen_write_reverseindex(struct screen_write_ctx *, u_int);
2909 void	 screen_write_scrollregion(struct screen_write_ctx *, u_int, u_int);
2910 void	 screen_write_linefeed(struct screen_write_ctx *, int, u_int);
2911 void	 screen_write_scrollup(struct screen_write_ctx *, u_int, u_int);
2912 void	 screen_write_scrolldown(struct screen_write_ctx *, u_int, u_int);
2913 void	 screen_write_carriagereturn(struct screen_write_ctx *);
2914 void	 screen_write_clearendofscreen(struct screen_write_ctx *, u_int);
2915 void	 screen_write_clearstartofscreen(struct screen_write_ctx *, u_int);
2916 void	 screen_write_clearscreen(struct screen_write_ctx *, u_int);
2917 void	 screen_write_clearhistory(struct screen_write_ctx *);
2918 void	 screen_write_fullredraw(struct screen_write_ctx *);
2919 void	 screen_write_collect_end(struct screen_write_ctx *);
2920 void	 screen_write_collect_add(struct screen_write_ctx *,
2921 	     const struct grid_cell *);
2922 void	 screen_write_cell(struct screen_write_ctx *, const struct grid_cell *);
2923 void	 screen_write_setselection(struct screen_write_ctx *, const char *,
2924 	     u_char *, u_int);
2925 void	 screen_write_rawstring(struct screen_write_ctx *, u_char *, u_int,
2926 	     int);
2927 void	 screen_write_alternateon(struct screen_write_ctx *,
2928 	     struct grid_cell *, int);
2929 void	 screen_write_alternateoff(struct screen_write_ctx *,
2930 	     struct grid_cell *, int);
2931 
2932 /* screen-redraw.c */
2933 void	 screen_redraw_screen(struct client *);
2934 void	 screen_redraw_pane(struct client *, struct window_pane *);
2935 
2936 /* screen.c */
2937 void	 screen_init(struct screen *, u_int, u_int, u_int);
2938 void	 screen_reinit(struct screen *);
2939 void	 screen_free(struct screen *);
2940 void	 screen_reset_tabs(struct screen *);
2941 void	 screen_reset_hyperlinks(struct screen *);
2942 void	 screen_set_cursor_style(u_int, enum screen_cursor_style *, int *);
2943 void	 screen_set_cursor_colour(struct screen *, int);
2944 int	 screen_set_title(struct screen *, const char *);
2945 void	 screen_set_path(struct screen *, const char *);
2946 void	 screen_push_title(struct screen *);
2947 void	 screen_pop_title(struct screen *);
2948 void	 screen_resize(struct screen *, u_int, u_int, int);
2949 void	 screen_resize_cursor(struct screen *, u_int, u_int, int, int, int);
2950 void	 screen_set_selection(struct screen *, u_int, u_int, u_int, u_int,
2951 	     u_int, int, struct grid_cell *);
2952 void	 screen_clear_selection(struct screen *);
2953 void	 screen_hide_selection(struct screen *);
2954 int	 screen_check_selection(struct screen *, u_int, u_int);
2955 void	 screen_select_cell(struct screen *, struct grid_cell *,
2956 	     const struct grid_cell *);
2957 void	 screen_alternate_on(struct screen *, struct grid_cell *, int);
2958 void	 screen_alternate_off(struct screen *, struct grid_cell *, int);
2959 const char *screen_mode_to_string(int);
2960 
2961 /* window.c */
2962 extern struct windows windows;
2963 extern struct window_pane_tree all_window_panes;
2964 int		 window_cmp(struct window *, struct window *);
2965 RB_PROTOTYPE(windows, window, entry, window_cmp);
2966 int		 winlink_cmp(struct winlink *, struct winlink *);
2967 RB_PROTOTYPE(winlinks, winlink, entry, winlink_cmp);
2968 int		 window_pane_cmp(struct window_pane *, struct window_pane *);
2969 RB_PROTOTYPE(window_pane_tree, window_pane, tree_entry, window_pane_cmp);
2970 struct winlink	*winlink_find_by_index(struct winlinks *, int);
2971 struct winlink	*winlink_find_by_window(struct winlinks *, struct window *);
2972 struct winlink	*winlink_find_by_window_id(struct winlinks *, u_int);
2973 u_int		 winlink_count(struct winlinks *);
2974 struct winlink	*winlink_add(struct winlinks *, int);
2975 void		 winlink_set_window(struct winlink *, struct window *);
2976 void		 winlink_remove(struct winlinks *, struct winlink *);
2977 struct winlink	*winlink_next(struct winlink *);
2978 struct winlink	*winlink_previous(struct winlink *);
2979 struct winlink	*winlink_next_by_number(struct winlink *, struct session *,
2980 		     int);
2981 struct winlink	*winlink_previous_by_number(struct winlink *, struct session *,
2982 		     int);
2983 void		 winlink_stack_push(struct winlink_stack *, struct winlink *);
2984 void		 winlink_stack_remove(struct winlink_stack *, struct winlink *);
2985 struct window	*window_find_by_id_str(const char *);
2986 struct window	*window_find_by_id(u_int);
2987 void		 window_update_activity(struct window *);
2988 struct window	*window_create(u_int, u_int, u_int, u_int);
2989 void		 window_pane_set_event(struct window_pane *);
2990 struct window_pane *window_get_active_at(struct window *, u_int, u_int);
2991 struct window_pane *window_find_string(struct window *, const char *);
2992 int		 window_has_pane(struct window *, struct window_pane *);
2993 int		 window_set_active_pane(struct window *, struct window_pane *,
2994 		     int);
2995 void		 window_update_focus(struct window *);
2996 void		 window_pane_update_focus(struct window_pane *);
2997 void		 window_redraw_active_switch(struct window *,
2998 		     struct window_pane *);
2999 struct window_pane *window_add_pane(struct window *, struct window_pane *,
3000 		     u_int, int);
3001 void		 window_resize(struct window *, u_int, u_int, int, int);
3002 void		 window_pane_send_resize(struct window_pane *, u_int, u_int);
3003 int		 window_zoom(struct window_pane *);
3004 int		 window_unzoom(struct window *);
3005 int		 window_push_zoom(struct window *, int, int);
3006 int		 window_pop_zoom(struct window *);
3007 void		 window_lost_pane(struct window *, struct window_pane *);
3008 void		 window_remove_pane(struct window *, struct window_pane *);
3009 struct window_pane *window_pane_at_index(struct window *, u_int);
3010 struct window_pane *window_pane_next_by_number(struct window *,
3011 			struct window_pane *, u_int);
3012 struct window_pane *window_pane_previous_by_number(struct window *,
3013 			struct window_pane *, u_int);
3014 int		 window_pane_index(struct window_pane *, u_int *);
3015 u_int		 window_count_panes(struct window *);
3016 void		 window_destroy_panes(struct window *);
3017 struct window_pane *window_pane_find_by_id_str(const char *);
3018 struct window_pane *window_pane_find_by_id(u_int);
3019 int		 window_pane_destroy_ready(struct window_pane *);
3020 void		 window_pane_resize(struct window_pane *, u_int, u_int);
3021 int		 window_pane_set_mode(struct window_pane *,
3022 		     struct window_pane *, const struct window_mode *,
3023 		     struct cmd_find_state *, struct args *);
3024 void		 window_pane_reset_mode(struct window_pane *);
3025 void		 window_pane_reset_mode_all(struct window_pane *);
3026 int		 window_pane_key(struct window_pane *, struct client *,
3027 		     struct session *, struct winlink *, key_code,
3028 		     struct mouse_event *);
3029 int		 window_pane_visible(struct window_pane *);
3030 u_int		 window_pane_search(struct window_pane *, const char *, int,
3031 		     int);
3032 const char	*window_printable_flags(struct winlink *, int);
3033 struct window_pane *window_pane_find_up(struct window_pane *);
3034 struct window_pane *window_pane_find_down(struct window_pane *);
3035 struct window_pane *window_pane_find_left(struct window_pane *);
3036 struct window_pane *window_pane_find_right(struct window_pane *);
3037 void		 window_set_name(struct window *, const char *);
3038 void		 window_add_ref(struct window *, const char *);
3039 void		 window_remove_ref(struct window *, const char *);
3040 void		 winlink_clear_flags(struct winlink *);
3041 int		 winlink_shuffle_up(struct session *, struct winlink *, int);
3042 int		 window_pane_start_input(struct window_pane *,
3043 		     struct cmdq_item *, char **);
3044 void		*window_pane_get_new_data(struct window_pane *,
3045 		     struct window_pane_offset *, size_t *);
3046 void		 window_pane_update_used_data(struct window_pane *,
3047 		     struct window_pane_offset *, size_t);
3048 void		 window_set_fill_character(struct window *);
3049 void		 window_pane_default_cursor(struct window_pane *);
3050 
3051 /* layout.c */
3052 u_int		 layout_count_cells(struct layout_cell *);
3053 struct layout_cell *layout_create_cell(struct layout_cell *);
3054 void		 layout_free_cell(struct layout_cell *);
3055 void		 layout_print_cell(struct layout_cell *, const char *, u_int);
3056 void		 layout_destroy_cell(struct window *, struct layout_cell *,
3057 		     struct layout_cell **);
3058 void		 layout_resize_layout(struct window *, struct layout_cell *,
3059 		     enum layout_type, int, int);
3060 struct layout_cell *layout_search_by_border(struct layout_cell *, u_int, u_int);
3061 void		 layout_set_size(struct layout_cell *, u_int, u_int, u_int,
3062 		     u_int);
3063 void		 layout_make_leaf(struct layout_cell *, struct window_pane *);
3064 void		 layout_make_node(struct layout_cell *, enum layout_type);
3065 void		 layout_fix_offsets(struct window *);
3066 void		 layout_fix_panes(struct window *, struct window_pane *);
3067 void		 layout_resize_adjust(struct window *, struct layout_cell *,
3068 		     enum layout_type, int);
3069 void		 layout_init(struct window *, struct window_pane *);
3070 void		 layout_free(struct window *);
3071 void		 layout_resize(struct window *, u_int, u_int);
3072 void		 layout_resize_pane(struct window_pane *, enum layout_type,
3073 		     int, int);
3074 void		 layout_resize_pane_to(struct window_pane *, enum layout_type,
3075 		     u_int);
3076 void		 layout_assign_pane(struct layout_cell *, struct window_pane *,
3077 		     int);
3078 struct layout_cell *layout_split_pane(struct window_pane *, enum layout_type,
3079 		     int, int);
3080 void		 layout_close_pane(struct window_pane *);
3081 int		 layout_spread_cell(struct window *, struct layout_cell *);
3082 void		 layout_spread_out(struct window_pane *);
3083 
3084 /* layout-custom.c */
3085 char		*layout_dump(struct layout_cell *);
3086 int		 layout_parse(struct window *, const char *, char **);
3087 
3088 /* layout-set.c */
3089 int		 layout_set_lookup(const char *);
3090 u_int		 layout_set_select(struct window *, u_int);
3091 u_int		 layout_set_next(struct window *);
3092 u_int		 layout_set_previous(struct window *);
3093 
3094 /* mode-tree.c */
3095 typedef void (*mode_tree_build_cb)(void *, struct mode_tree_sort_criteria *,
3096 				   uint64_t *, const char *);
3097 typedef void (*mode_tree_draw_cb)(void *, void *, struct screen_write_ctx *,
3098 	     u_int, u_int);
3099 typedef int (*mode_tree_search_cb)(void *, void *, const char *);
3100 typedef void (*mode_tree_menu_cb)(void *, struct client *, key_code);
3101 typedef u_int (*mode_tree_height_cb)(void *, u_int);
3102 typedef key_code (*mode_tree_key_cb)(void *, void *, u_int);
3103 typedef void (*mode_tree_each_cb)(void *, void *, struct client *, key_code);
3104 u_int	 mode_tree_count_tagged(struct mode_tree_data *);
3105 void	*mode_tree_get_current(struct mode_tree_data *);
3106 const char *mode_tree_get_current_name(struct mode_tree_data *);
3107 void	 mode_tree_expand_current(struct mode_tree_data *);
3108 void	 mode_tree_collapse_current(struct mode_tree_data *);
3109 void	 mode_tree_expand(struct mode_tree_data *, uint64_t);
3110 int	 mode_tree_set_current(struct mode_tree_data *, uint64_t);
3111 void	 mode_tree_each_tagged(struct mode_tree_data *, mode_tree_each_cb,
3112 	     struct client *, key_code, int);
3113 void	 mode_tree_up(struct mode_tree_data *, int);
3114 void	 mode_tree_down(struct mode_tree_data *, int);
3115 struct mode_tree_data *mode_tree_start(struct window_pane *, struct args *,
3116 	     mode_tree_build_cb, mode_tree_draw_cb, mode_tree_search_cb,
3117 	     mode_tree_menu_cb, mode_tree_height_cb, mode_tree_key_cb, void *,
3118 	     const struct menu_item *, const char **, u_int, struct screen **);
3119 void	 mode_tree_zoom(struct mode_tree_data *, struct args *);
3120 void	 mode_tree_build(struct mode_tree_data *);
3121 void	 mode_tree_free(struct mode_tree_data *);
3122 void	 mode_tree_resize(struct mode_tree_data *, u_int, u_int);
3123 struct mode_tree_item *mode_tree_add(struct mode_tree_data *,
3124 	     struct mode_tree_item *, void *, uint64_t, const char *,
3125 	     const char *, int);
3126 void	 mode_tree_draw_as_parent(struct mode_tree_item *);
3127 void	 mode_tree_no_tag(struct mode_tree_item *);
3128 void	 mode_tree_remove(struct mode_tree_data *, struct mode_tree_item *);
3129 void	 mode_tree_draw(struct mode_tree_data *);
3130 int	 mode_tree_key(struct mode_tree_data *, struct client *, key_code *,
3131 	     struct mouse_event *, u_int *, u_int *);
3132 void	 mode_tree_run_command(struct client *, struct cmd_find_state *,
3133 	     const char *, const char *);
3134 
3135 /* window-buffer.c */
3136 extern const struct window_mode window_buffer_mode;
3137 
3138 /* window-tree.c */
3139 extern const struct window_mode window_tree_mode;
3140 
3141 /* window-clock.c */
3142 extern const struct window_mode window_clock_mode;
3143 extern const char window_clock_table[14][5][5];
3144 
3145 /* window-client.c */
3146 extern const struct window_mode window_client_mode;
3147 
3148 /* window-copy.c */
3149 extern const struct window_mode window_copy_mode;
3150 extern const struct window_mode window_view_mode;
3151 void printflike(3, 4) window_copy_add(struct window_pane *, int, const char *,
3152 		     ...);
3153 void printflike(3, 0) window_copy_vadd(struct window_pane *, int, const char *,
3154 		     va_list);
3155 void		 window_copy_pageup(struct window_pane *, int);
3156 void		 window_copy_start_drag(struct client *, struct mouse_event *);
3157 char		*window_copy_get_word(struct window_pane *, u_int, u_int);
3158 char		*window_copy_get_line(struct window_pane *, u_int);
3159 
3160 /* window-option.c */
3161 extern const struct window_mode window_customize_mode;
3162 
3163 /* names.c */
3164 void	 check_window_name(struct window *);
3165 char	*default_window_name(struct window *);
3166 char	*parse_window_name(const char *);
3167 
3168 /* control.c */
3169 void	control_discard(struct client *);
3170 void	control_start(struct client *);
3171 void	control_ready(struct client *);
3172 void	control_stop(struct client *);
3173 void	control_set_pane_on(struct client *, struct window_pane *);
3174 void	control_set_pane_off(struct client *, struct window_pane *);
3175 void	control_continue_pane(struct client *, struct window_pane *);
3176 void	control_pause_pane(struct client *, struct window_pane *);
3177 struct window_pane_offset *control_pane_offset(struct client *,
3178 	   struct window_pane *, int *);
3179 void	control_reset_offsets(struct client *);
3180 void printflike(2, 3) control_write(struct client *, const char *, ...);
3181 void	control_write_output(struct client *, struct window_pane *);
3182 int	control_all_done(struct client *);
3183 void	control_add_sub(struct client *, const char *, enum control_sub_type,
3184     	   int, const char *);
3185 void	control_remove_sub(struct client *, const char *);
3186 
3187 /* control-notify.c */
3188 void	control_notify_input(struct client *, struct window_pane *,
3189 	    const u_char *, size_t);
3190 void	control_notify_pane_mode_changed(int);
3191 void	control_notify_window_layout_changed(struct window *);
3192 void	control_notify_window_pane_changed(struct window *);
3193 void	control_notify_window_unlinked(struct session *, struct window *);
3194 void	control_notify_window_linked(struct session *, struct window *);
3195 void	control_notify_window_renamed(struct window *);
3196 void	control_notify_client_session_changed(struct client *);
3197 void	control_notify_client_detached(struct client *);
3198 void	control_notify_session_renamed(struct session *);
3199 void	control_notify_session_created(struct session *);
3200 void	control_notify_session_closed(struct session *);
3201 void	control_notify_session_window_changed(struct session *);
3202 void	control_notify_paste_buffer_changed(const char *);
3203 void	control_notify_paste_buffer_deleted(const char *);
3204 
3205 /* session.c */
3206 extern struct sessions sessions;
3207 extern u_int next_session_id;
3208 int	session_cmp(struct session *, struct session *);
3209 RB_PROTOTYPE(sessions, session, entry, session_cmp);
3210 int		 session_alive(struct session *);
3211 struct session	*session_find(const char *);
3212 struct session	*session_find_by_id_str(const char *);
3213 struct session	*session_find_by_id(u_int);
3214 struct session	*session_create(const char *, const char *, const char *,
3215 		     struct environ *, struct options *, struct termios *);
3216 void		 session_destroy(struct session *, int,	 const char *);
3217 void		 session_add_ref(struct session *, const char *);
3218 void		 session_remove_ref(struct session *, const char *);
3219 char		*session_check_name(const char *);
3220 void		 session_update_activity(struct session *, struct timeval *);
3221 struct session	*session_next_session(struct session *);
3222 struct session	*session_previous_session(struct session *);
3223 struct winlink	*session_new(struct session *, const char *, int, char **,
3224 		     const char *, const char *, int, char **);
3225 struct winlink	*session_attach(struct session *, struct window *, int,
3226 		     char **);
3227 int		 session_detach(struct session *, struct winlink *);
3228 int		 session_has(struct session *, struct window *);
3229 int		 session_is_linked(struct session *, struct window *);
3230 int		 session_next(struct session *, int);
3231 int		 session_previous(struct session *, int);
3232 int		 session_select(struct session *, int);
3233 int		 session_last(struct session *);
3234 int		 session_set_current(struct session *, struct winlink *);
3235 struct session_group *session_group_contains(struct session *);
3236 struct session_group *session_group_find(const char *);
3237 struct session_group *session_group_new(const char *);
3238 void		 session_group_add(struct session_group *, struct session *);
3239 void		 session_group_synchronize_to(struct session *);
3240 void		 session_group_synchronize_from(struct session *);
3241 u_int		 session_group_count(struct session_group *);
3242 u_int		 session_group_attached_count(struct session_group *);
3243 void		 session_renumber_windows(struct session *);
3244 
3245 /* utf8.c */
3246 utf8_char	 utf8_build_one(u_char);
3247 enum utf8_state	 utf8_from_data(const struct utf8_data *, utf8_char *);
3248 void		 utf8_to_data(utf8_char, struct utf8_data *);
3249 void		 utf8_set(struct utf8_data *, u_char);
3250 void		 utf8_copy(struct utf8_data *, const struct utf8_data *);
3251 enum utf8_state	 utf8_open(struct utf8_data *, u_char);
3252 enum utf8_state	 utf8_append(struct utf8_data *, u_char);
3253 int		 utf8_isvalid(const char *);
3254 int		 utf8_strvis(char *, const char *, size_t, int);
3255 int		 utf8_stravis(char **, const char *, int);
3256 int		 utf8_stravisx(char **, const char *, size_t, int);
3257 char		*utf8_sanitize(const char *);
3258 size_t		 utf8_strlen(const struct utf8_data *);
3259 u_int		 utf8_strwidth(const struct utf8_data *, ssize_t);
3260 struct utf8_data *utf8_fromcstr(const char *);
3261 char		*utf8_tocstr(struct utf8_data *);
3262 u_int		 utf8_cstrwidth(const char *);
3263 char		*utf8_padcstr(const char *, u_int);
3264 char		*utf8_rpadcstr(const char *, u_int);
3265 int		 utf8_cstrhas(const char *, const struct utf8_data *);
3266 
3267 /* procname.c */
3268 char   *get_proc_name(int, char *);
3269 char   *get_proc_cwd(int);
3270 
3271 /* log.c */
3272 void	log_add_level(void);
3273 int	log_get_level(void);
3274 void	log_open(const char *);
3275 void	log_toggle(const char *);
3276 void	log_close(void);
3277 void printflike(1, 2) log_debug(const char *, ...);
3278 __dead void printflike(1, 2) fatal(const char *, ...);
3279 __dead void printflike(1, 2) fatalx(const char *, ...);
3280 
3281 /* menu.c */
3282 #define MENU_NOMOUSE 0x1
3283 #define MENU_TAB 0x2
3284 #define MENU_STAYOPEN 0x4
3285 struct menu	*menu_create(const char *);
3286 void		 menu_add_items(struct menu *, const struct menu_item *,
3287 		    struct cmdq_item *, struct client *,
3288 		    struct cmd_find_state *);
3289 void		 menu_add_item(struct menu *, const struct menu_item *,
3290 		    struct cmdq_item *, struct client *,
3291 		    struct cmd_find_state *);
3292 void		 menu_free(struct menu *);
3293 struct menu_data *menu_prepare(struct menu *, int, struct cmdq_item *, u_int,
3294 		    u_int, struct client *, struct cmd_find_state *,
3295 		    menu_choice_cb, void *);
3296 int		 menu_display(struct menu *, int, struct cmdq_item *, u_int,
3297 		    u_int, struct client *, struct cmd_find_state *,
3298 		    menu_choice_cb, void *);
3299 struct screen	*menu_mode_cb(struct client *, void *, u_int *, u_int *);
3300 void		 menu_check_cb(struct client *, void *, u_int, u_int, u_int,
3301 		    struct overlay_ranges *);
3302 void		 menu_draw_cb(struct client *, void *,
3303 		    struct screen_redraw_ctx *);
3304 void		 menu_free_cb(struct client *, void *);
3305 int		 menu_key_cb(struct client *, void *, struct key_event *);
3306 
3307 /* popup.c */
3308 #define POPUP_CLOSEEXIT 0x1
3309 #define POPUP_CLOSEEXITZERO 0x2
3310 #define POPUP_INTERNAL 0x4
3311 typedef void (*popup_close_cb)(int, void *);
3312 typedef void (*popup_finish_edit_cb)(char *, size_t, void *);
3313 int		 popup_display(int, int, struct cmdq_item *, u_int, u_int,
3314 		    u_int, u_int, struct environ *, const char *, int, char **,
3315 		    const char *, const char *, struct client *,
3316 		    struct session *, const char *, const char *,
3317 		    popup_close_cb, void *);
3318 int		 popup_editor(struct client *, const char *, size_t,
3319 		    popup_finish_edit_cb, void *);
3320 
3321 /* style.c */
3322 int		 style_parse(struct style *,const struct grid_cell *,
3323 		     const char *);
3324 const char	*style_tostring(struct style *);
3325 void		 style_add(struct grid_cell *, struct options *,
3326 		     const char *, struct format_tree *);
3327 void		 style_apply(struct grid_cell *, struct options *,
3328 		     const char *, struct format_tree *);
3329 void		 style_set(struct style *, const struct grid_cell *);
3330 void		 style_copy(struct style *, struct style *);
3331 
3332 /* spawn.c */
3333 struct winlink	*spawn_window(struct spawn_context *, char **);
3334 struct window_pane *spawn_pane(struct spawn_context *, char **);
3335 
3336 /* regsub.c */
3337 char		*regsub(const char *, const char *, const char *, int);
3338 
3339 /* server-acl.c */
3340 void			 server_acl_init(void);
3341 struct server_acl_user	*server_acl_user_find(uid_t);
3342 void 			 server_acl_display(struct cmdq_item *);
3343 void			 server_acl_user_allow(uid_t);
3344 void			 server_acl_user_deny(uid_t);
3345 void			 server_acl_user_allow_write(uid_t);
3346 void			 server_acl_user_deny_write(uid_t);
3347 int			 server_acl_join(struct client *);
3348 uid_t			 server_acl_get_uid(struct server_acl_user *);
3349 
3350 /* hyperlink.c */
3351 u_int	 		 hyperlinks_put(struct hyperlinks *, const char *,
3352 			     const char *);
3353 int			 hyperlinks_get(struct hyperlinks *, u_int,
3354 			     const char **, const char **, const char **);
3355 struct hyperlinks	*hyperlinks_init(void);
3356 void			 hyperlinks_reset(struct hyperlinks *);
3357 void			 hyperlinks_free(struct hyperlinks *);
3358 
3359 #endif /* TMUX_H */
3360