xref: /openbsd-src/usr.bin/tmux/tmux.h (revision ff0e7be1ebbcc809ea8ad2b6dafe215824da9e46)
1 /* $OpenBSD: tmux.h,v 1.1199 2023/06/08 11:17:29 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 #define KEYC_SENT	     0x80000000000000ULL
142 
143 /* Masks for key bits. */
144 #define KEYC_MASK_MODIFIERS  0x00f00000000000ULL
145 #define KEYC_MASK_FLAGS      0xff000000000000ULL
146 #define KEYC_MASK_KEY        0x000fffffffffffULL
147 
148 /* Available user keys. */
149 #define KEYC_NUSER 1000
150 
151 /* Is this a mouse key? */
152 #define KEYC_IS_MOUSE(key) \
153 	(((key) & KEYC_MASK_KEY) >= KEYC_MOUSE && \
154 	 ((key) & KEYC_MASK_KEY) < KEYC_BSPACE)
155 
156 /* Is this a Unicode key? */
157 #define KEYC_IS_UNICODE(key) \
158 	(((key) & KEYC_MASK_KEY) > 0x7f && \
159 	 (((key) & KEYC_MASK_KEY) < KEYC_BASE || \
160 	  ((key) & KEYC_MASK_KEY) >= KEYC_BASE_END) && \
161 	 (((key) & KEYC_MASK_KEY) < KEYC_USER || \
162 	  ((key) & KEYC_MASK_KEY) >= KEYC_USER + KEYC_NUSER))
163 
164 /* Multiple click timeout. */
165 #define KEYC_CLICK_TIMEOUT 300
166 
167 /* Mouse key codes. */
168 #define KEYC_MOUSE_KEY(name)					\
169 	KEYC_ ## name ## _PANE,					\
170 	KEYC_ ## name ## _STATUS,				\
171 	KEYC_ ## name ## _STATUS_LEFT,				\
172 	KEYC_ ## name ## _STATUS_RIGHT,				\
173 	KEYC_ ## name ## _STATUS_DEFAULT,			\
174 	KEYC_ ## name ## _BORDER
175 #define KEYC_MOUSE_STRING(name, s)				\
176 	{ #s "Pane", KEYC_ ## name ## _PANE },			\
177 	{ #s "Status", KEYC_ ## name ## _STATUS },		\
178 	{ #s "StatusLeft", KEYC_ ## name ## _STATUS_LEFT },	\
179 	{ #s "StatusRight", KEYC_ ## name ## _STATUS_RIGHT },	\
180 	{ #s "StatusDefault", KEYC_ ## name ## _STATUS_DEFAULT }, \
181 	{ #s "Border", KEYC_ ## name ## _BORDER }
182 
183 /*
184  * A single key. This can be ASCII or Unicode or one of the keys between
185  * KEYC_BASE and KEYC_BASE_END.
186  */
187 typedef unsigned long long key_code;
188 
189 /* Special key codes. */
190 enum {
191 	/* Focus events. */
192 	KEYC_FOCUS_IN = KEYC_BASE,
193 	KEYC_FOCUS_OUT,
194 
195 	/* "Any" key, used if not found in key table. */
196 	KEYC_ANY,
197 
198 	/* Paste brackets. */
199 	KEYC_PASTE_START,
200 	KEYC_PASTE_END,
201 
202 	/* Mouse keys. */
203 	KEYC_MOUSE, /* unclassified mouse event */
204 	KEYC_DRAGGING, /* dragging in progress */
205 	KEYC_DOUBLECLICK, /* double click complete */
206 	KEYC_MOUSE_KEY(MOUSEMOVE),
207 	KEYC_MOUSE_KEY(MOUSEDOWN1),
208 	KEYC_MOUSE_KEY(MOUSEDOWN2),
209 	KEYC_MOUSE_KEY(MOUSEDOWN3),
210 	KEYC_MOUSE_KEY(MOUSEDOWN6),
211 	KEYC_MOUSE_KEY(MOUSEDOWN7),
212 	KEYC_MOUSE_KEY(MOUSEDOWN8),
213 	KEYC_MOUSE_KEY(MOUSEDOWN9),
214 	KEYC_MOUSE_KEY(MOUSEDOWN10),
215 	KEYC_MOUSE_KEY(MOUSEDOWN11),
216 	KEYC_MOUSE_KEY(MOUSEUP1),
217 	KEYC_MOUSE_KEY(MOUSEUP2),
218 	KEYC_MOUSE_KEY(MOUSEUP3),
219 	KEYC_MOUSE_KEY(MOUSEUP6),
220 	KEYC_MOUSE_KEY(MOUSEUP7),
221 	KEYC_MOUSE_KEY(MOUSEUP8),
222 	KEYC_MOUSE_KEY(MOUSEUP9),
223 	KEYC_MOUSE_KEY(MOUSEUP10),
224 	KEYC_MOUSE_KEY(MOUSEUP11),
225 	KEYC_MOUSE_KEY(MOUSEDRAG1),
226 	KEYC_MOUSE_KEY(MOUSEDRAG2),
227 	KEYC_MOUSE_KEY(MOUSEDRAG3),
228 	KEYC_MOUSE_KEY(MOUSEDRAG6),
229 	KEYC_MOUSE_KEY(MOUSEDRAG7),
230 	KEYC_MOUSE_KEY(MOUSEDRAG8),
231 	KEYC_MOUSE_KEY(MOUSEDRAG9),
232 	KEYC_MOUSE_KEY(MOUSEDRAG10),
233 	KEYC_MOUSE_KEY(MOUSEDRAG11),
234 	KEYC_MOUSE_KEY(MOUSEDRAGEND1),
235 	KEYC_MOUSE_KEY(MOUSEDRAGEND2),
236 	KEYC_MOUSE_KEY(MOUSEDRAGEND3),
237 	KEYC_MOUSE_KEY(MOUSEDRAGEND6),
238 	KEYC_MOUSE_KEY(MOUSEDRAGEND7),
239 	KEYC_MOUSE_KEY(MOUSEDRAGEND8),
240 	KEYC_MOUSE_KEY(MOUSEDRAGEND9),
241 	KEYC_MOUSE_KEY(MOUSEDRAGEND10),
242 	KEYC_MOUSE_KEY(MOUSEDRAGEND11),
243 	KEYC_MOUSE_KEY(WHEELUP),
244 	KEYC_MOUSE_KEY(WHEELDOWN),
245 	KEYC_MOUSE_KEY(SECONDCLICK1),
246 	KEYC_MOUSE_KEY(SECONDCLICK2),
247 	KEYC_MOUSE_KEY(SECONDCLICK3),
248 	KEYC_MOUSE_KEY(SECONDCLICK6),
249 	KEYC_MOUSE_KEY(SECONDCLICK7),
250 	KEYC_MOUSE_KEY(SECONDCLICK8),
251 	KEYC_MOUSE_KEY(SECONDCLICK9),
252 	KEYC_MOUSE_KEY(SECONDCLICK10),
253 	KEYC_MOUSE_KEY(SECONDCLICK11),
254 	KEYC_MOUSE_KEY(DOUBLECLICK1),
255 	KEYC_MOUSE_KEY(DOUBLECLICK2),
256 	KEYC_MOUSE_KEY(DOUBLECLICK3),
257 	KEYC_MOUSE_KEY(DOUBLECLICK6),
258 	KEYC_MOUSE_KEY(DOUBLECLICK7),
259 	KEYC_MOUSE_KEY(DOUBLECLICK8),
260 	KEYC_MOUSE_KEY(DOUBLECLICK9),
261 	KEYC_MOUSE_KEY(DOUBLECLICK10),
262 	KEYC_MOUSE_KEY(DOUBLECLICK11),
263 	KEYC_MOUSE_KEY(TRIPLECLICK1),
264 	KEYC_MOUSE_KEY(TRIPLECLICK2),
265 	KEYC_MOUSE_KEY(TRIPLECLICK3),
266 	KEYC_MOUSE_KEY(TRIPLECLICK6),
267 	KEYC_MOUSE_KEY(TRIPLECLICK7),
268 	KEYC_MOUSE_KEY(TRIPLECLICK8),
269 	KEYC_MOUSE_KEY(TRIPLECLICK9),
270 	KEYC_MOUSE_KEY(TRIPLECLICK10),
271 	KEYC_MOUSE_KEY(TRIPLECLICK11),
272 
273 	/* Backspace key. */
274 	KEYC_BSPACE,
275 
276 	/* Function keys. */
277 	KEYC_F1,
278 	KEYC_F2,
279 	KEYC_F3,
280 	KEYC_F4,
281 	KEYC_F5,
282 	KEYC_F6,
283 	KEYC_F7,
284 	KEYC_F8,
285 	KEYC_F9,
286 	KEYC_F10,
287 	KEYC_F11,
288 	KEYC_F12,
289 	KEYC_IC,
290 	KEYC_DC,
291 	KEYC_HOME,
292 	KEYC_END,
293 	KEYC_NPAGE,
294 	KEYC_PPAGE,
295 	KEYC_BTAB,
296 
297 	/* Arrow keys. */
298 	KEYC_UP,
299 	KEYC_DOWN,
300 	KEYC_LEFT,
301 	KEYC_RIGHT,
302 
303 	/* Numeric keypad. */
304 	KEYC_KP_SLASH,
305 	KEYC_KP_STAR,
306 	KEYC_KP_MINUS,
307 	KEYC_KP_SEVEN,
308 	KEYC_KP_EIGHT,
309 	KEYC_KP_NINE,
310 	KEYC_KP_PLUS,
311 	KEYC_KP_FOUR,
312 	KEYC_KP_FIVE,
313 	KEYC_KP_SIX,
314 	KEYC_KP_ONE,
315 	KEYC_KP_TWO,
316 	KEYC_KP_THREE,
317 	KEYC_KP_ENTER,
318 	KEYC_KP_ZERO,
319 	KEYC_KP_PERIOD,
320 
321 	/* End of special keys. */
322 	KEYC_BASE_END
323 };
324 
325 /* Termcap codes. */
326 enum tty_code_code {
327 	TTYC_ACSC,
328 	TTYC_AM,
329 	TTYC_AX,
330 	TTYC_BCE,
331 	TTYC_BEL,
332 	TTYC_BIDI,
333 	TTYC_BLINK,
334 	TTYC_BOLD,
335 	TTYC_CIVIS,
336 	TTYC_CLEAR,
337 	TTYC_CLMG,
338 	TTYC_CMG,
339 	TTYC_CNORM,
340 	TTYC_COLORS,
341 	TTYC_CR,
342 	TTYC_CS,
343 	TTYC_CSR,
344 	TTYC_CUB,
345 	TTYC_CUB1,
346 	TTYC_CUD,
347 	TTYC_CUD1,
348 	TTYC_CUF,
349 	TTYC_CUF1,
350 	TTYC_CUP,
351 	TTYC_CUU,
352 	TTYC_CUU1,
353 	TTYC_CVVIS,
354 	TTYC_DCH,
355 	TTYC_DCH1,
356 	TTYC_DIM,
357 	TTYC_DL,
358 	TTYC_DL1,
359 	TTYC_DSBP,
360 	TTYC_DSEKS,
361 	TTYC_DSFCS,
362 	TTYC_DSMG,
363 	TTYC_E3,
364 	TTYC_ECH,
365 	TTYC_ED,
366 	TTYC_EL,
367 	TTYC_EL1,
368 	TTYC_ENACS,
369 	TTYC_ENBP,
370 	TTYC_ENEKS,
371 	TTYC_ENFCS,
372 	TTYC_ENMG,
373 	TTYC_FSL,
374 	TTYC_HLS,
375 	TTYC_HOME,
376 	TTYC_HPA,
377 	TTYC_ICH,
378 	TTYC_ICH1,
379 	TTYC_IL,
380 	TTYC_IL1,
381 	TTYC_INDN,
382 	TTYC_INVIS,
383 	TTYC_KCBT,
384 	TTYC_KCUB1,
385 	TTYC_KCUD1,
386 	TTYC_KCUF1,
387 	TTYC_KCUU1,
388 	TTYC_KDC2,
389 	TTYC_KDC3,
390 	TTYC_KDC4,
391 	TTYC_KDC5,
392 	TTYC_KDC6,
393 	TTYC_KDC7,
394 	TTYC_KDCH1,
395 	TTYC_KDN2,
396 	TTYC_KDN3,
397 	TTYC_KDN4,
398 	TTYC_KDN5,
399 	TTYC_KDN6,
400 	TTYC_KDN7,
401 	TTYC_KEND,
402 	TTYC_KEND2,
403 	TTYC_KEND3,
404 	TTYC_KEND4,
405 	TTYC_KEND5,
406 	TTYC_KEND6,
407 	TTYC_KEND7,
408 	TTYC_KF1,
409 	TTYC_KF10,
410 	TTYC_KF11,
411 	TTYC_KF12,
412 	TTYC_KF13,
413 	TTYC_KF14,
414 	TTYC_KF15,
415 	TTYC_KF16,
416 	TTYC_KF17,
417 	TTYC_KF18,
418 	TTYC_KF19,
419 	TTYC_KF2,
420 	TTYC_KF20,
421 	TTYC_KF21,
422 	TTYC_KF22,
423 	TTYC_KF23,
424 	TTYC_KF24,
425 	TTYC_KF25,
426 	TTYC_KF26,
427 	TTYC_KF27,
428 	TTYC_KF28,
429 	TTYC_KF29,
430 	TTYC_KF3,
431 	TTYC_KF30,
432 	TTYC_KF31,
433 	TTYC_KF32,
434 	TTYC_KF33,
435 	TTYC_KF34,
436 	TTYC_KF35,
437 	TTYC_KF36,
438 	TTYC_KF37,
439 	TTYC_KF38,
440 	TTYC_KF39,
441 	TTYC_KF4,
442 	TTYC_KF40,
443 	TTYC_KF41,
444 	TTYC_KF42,
445 	TTYC_KF43,
446 	TTYC_KF44,
447 	TTYC_KF45,
448 	TTYC_KF46,
449 	TTYC_KF47,
450 	TTYC_KF48,
451 	TTYC_KF49,
452 	TTYC_KF5,
453 	TTYC_KF50,
454 	TTYC_KF51,
455 	TTYC_KF52,
456 	TTYC_KF53,
457 	TTYC_KF54,
458 	TTYC_KF55,
459 	TTYC_KF56,
460 	TTYC_KF57,
461 	TTYC_KF58,
462 	TTYC_KF59,
463 	TTYC_KF6,
464 	TTYC_KF60,
465 	TTYC_KF61,
466 	TTYC_KF62,
467 	TTYC_KF63,
468 	TTYC_KF7,
469 	TTYC_KF8,
470 	TTYC_KF9,
471 	TTYC_KHOM2,
472 	TTYC_KHOM3,
473 	TTYC_KHOM4,
474 	TTYC_KHOM5,
475 	TTYC_KHOM6,
476 	TTYC_KHOM7,
477 	TTYC_KHOME,
478 	TTYC_KIC2,
479 	TTYC_KIC3,
480 	TTYC_KIC4,
481 	TTYC_KIC5,
482 	TTYC_KIC6,
483 	TTYC_KIC7,
484 	TTYC_KICH1,
485 	TTYC_KIND,
486 	TTYC_KLFT2,
487 	TTYC_KLFT3,
488 	TTYC_KLFT4,
489 	TTYC_KLFT5,
490 	TTYC_KLFT6,
491 	TTYC_KLFT7,
492 	TTYC_KMOUS,
493 	TTYC_KNP,
494 	TTYC_KNXT2,
495 	TTYC_KNXT3,
496 	TTYC_KNXT4,
497 	TTYC_KNXT5,
498 	TTYC_KNXT6,
499 	TTYC_KNXT7,
500 	TTYC_KPP,
501 	TTYC_KPRV2,
502 	TTYC_KPRV3,
503 	TTYC_KPRV4,
504 	TTYC_KPRV5,
505 	TTYC_KPRV6,
506 	TTYC_KPRV7,
507 	TTYC_KRI,
508 	TTYC_KRIT2,
509 	TTYC_KRIT3,
510 	TTYC_KRIT4,
511 	TTYC_KRIT5,
512 	TTYC_KRIT6,
513 	TTYC_KRIT7,
514 	TTYC_KUP2,
515 	TTYC_KUP3,
516 	TTYC_KUP4,
517 	TTYC_KUP5,
518 	TTYC_KUP6,
519 	TTYC_KUP7,
520 	TTYC_MS,
521 	TTYC_NOBR,
522 	TTYC_OL,
523 	TTYC_OP,
524 	TTYC_RECT,
525 	TTYC_REV,
526 	TTYC_RGB,
527 	TTYC_RI,
528 	TTYC_RIN,
529 	TTYC_RMACS,
530 	TTYC_RMCUP,
531 	TTYC_RMKX,
532 	TTYC_SE,
533 	TTYC_SETAB,
534 	TTYC_SETAF,
535 	TTYC_SETAL,
536 	TTYC_SETRGBB,
537 	TTYC_SETRGBF,
538 	TTYC_SETULC,
539 	TTYC_SGR0,
540 	TTYC_SITM,
541 	TTYC_SMACS,
542 	TTYC_SMCUP,
543 	TTYC_SMKX,
544 	TTYC_SMOL,
545 	TTYC_SMSO,
546 	TTYC_SMUL,
547 	TTYC_SMULX,
548 	TTYC_SMXX,
549 	TTYC_SXL,
550 	TTYC_SS,
551 	TTYC_SWD,
552 	TTYC_SYNC,
553 	TTYC_TC,
554 	TTYC_TSL,
555 	TTYC_U8,
556 	TTYC_VPA,
557 	TTYC_XT
558 };
559 
560 /* Character classes. */
561 #define WHITESPACE " "
562 
563 /* Mode keys. */
564 #define MODEKEY_EMACS 0
565 #define MODEKEY_VI 1
566 
567 /* Modes. */
568 #define MODE_CURSOR 0x1
569 #define MODE_INSERT 0x2
570 #define MODE_KCURSOR 0x4
571 #define MODE_KKEYPAD 0x8
572 #define MODE_WRAP 0x10
573 #define MODE_MOUSE_STANDARD 0x20
574 #define MODE_MOUSE_BUTTON 0x40
575 #define MODE_CURSOR_BLINKING 0x80
576 #define MODE_MOUSE_UTF8 0x100
577 #define MODE_MOUSE_SGR 0x200
578 #define MODE_BRACKETPASTE 0x400
579 #define MODE_FOCUSON 0x800
580 #define MODE_MOUSE_ALL 0x1000
581 #define MODE_ORIGIN 0x2000
582 #define MODE_CRLF 0x4000
583 #define MODE_KEXTENDED 0x8000
584 #define MODE_CURSOR_VERY_VISIBLE 0x10000
585 #define MODE_CURSOR_BLINKING_SET 0x20000
586 
587 #define ALL_MODES 0xffffff
588 #define ALL_MOUSE_MODES (MODE_MOUSE_STANDARD|MODE_MOUSE_BUTTON|MODE_MOUSE_ALL)
589 #define MOTION_MOUSE_MODES (MODE_MOUSE_BUTTON|MODE_MOUSE_ALL)
590 #define CURSOR_MODES (MODE_CURSOR|MODE_CURSOR_BLINKING|MODE_CURSOR_VERY_VISIBLE)
591 
592 /* Mouse protocol constants. */
593 #define MOUSE_PARAM_MAX 0xff
594 #define MOUSE_PARAM_UTF8_MAX 0x7ff
595 #define MOUSE_PARAM_BTN_OFF 0x20
596 #define MOUSE_PARAM_POS_OFF 0x21
597 
598 /* A single UTF-8 character. */
599 typedef u_int utf8_char;
600 
601 /*
602  * An expanded UTF-8 character. UTF8_SIZE must be big enough to hold combining
603  * characters as well. It can't be more than 32 bytes without changes to how
604  * characters are stored.
605  */
606 #define UTF8_SIZE 21
607 struct utf8_data {
608 	u_char	data[UTF8_SIZE];
609 
610 	u_char	have;
611 	u_char	size;
612 
613 	u_char	width;	/* 0xff if invalid */
614 };
615 enum utf8_state {
616 	UTF8_MORE,
617 	UTF8_DONE,
618 	UTF8_ERROR
619 };
620 
621 /* Colour flags. */
622 #define COLOUR_FLAG_256 0x01000000
623 #define COLOUR_FLAG_RGB 0x02000000
624 
625 /* Special colours. */
626 #define COLOUR_DEFAULT(c) ((c) == 8 || (c) == 9)
627 
628 /* Replacement palette. */
629 struct colour_palette {
630 	int	 fg;
631 	int	 bg;
632 
633 	int	*palette;
634 	int	*default_palette;
635 };
636 
637 /* Grid attributes. Anything above 0xff is stored in an extended cell. */
638 #define GRID_ATTR_BRIGHT 0x1
639 #define GRID_ATTR_DIM 0x2
640 #define GRID_ATTR_UNDERSCORE 0x4
641 #define GRID_ATTR_BLINK 0x8
642 #define GRID_ATTR_REVERSE 0x10
643 #define GRID_ATTR_HIDDEN 0x20
644 #define GRID_ATTR_ITALICS 0x40
645 #define GRID_ATTR_CHARSET 0x80	/* alternative character set */
646 #define GRID_ATTR_STRIKETHROUGH 0x100
647 #define GRID_ATTR_UNDERSCORE_2 0x200
648 #define GRID_ATTR_UNDERSCORE_3 0x400
649 #define GRID_ATTR_UNDERSCORE_4 0x800
650 #define GRID_ATTR_UNDERSCORE_5 0x1000
651 #define GRID_ATTR_OVERLINE 0x2000
652 
653 /* All underscore attributes. */
654 #define GRID_ATTR_ALL_UNDERSCORE \
655 	(GRID_ATTR_UNDERSCORE|	 \
656 	 GRID_ATTR_UNDERSCORE_2| \
657 	 GRID_ATTR_UNDERSCORE_3| \
658 	 GRID_ATTR_UNDERSCORE_4| \
659 	 GRID_ATTR_UNDERSCORE_5)
660 
661 /* Grid flags. */
662 #define GRID_FLAG_FG256 0x1
663 #define GRID_FLAG_BG256 0x2
664 #define GRID_FLAG_PADDING 0x4
665 #define GRID_FLAG_EXTENDED 0x8
666 #define GRID_FLAG_SELECTED 0x10
667 #define GRID_FLAG_NOPALETTE 0x20
668 #define GRID_FLAG_CLEARED 0x40
669 
670 /* Grid line flags. */
671 #define GRID_LINE_WRAPPED 0x1
672 #define GRID_LINE_EXTENDED 0x2
673 #define GRID_LINE_DEAD 0x4
674 
675 /* Grid string flags. */
676 #define GRID_STRING_WITH_SEQUENCES 0x1
677 #define GRID_STRING_ESCAPE_SEQUENCES 0x2
678 #define GRID_STRING_TRIM_SPACES 0x4
679 #define GRID_STRING_USED_ONLY 0x8
680 #define GRID_STRING_EMPTY_CELLS 0x10
681 
682 /* Cell positions. */
683 #define CELL_INSIDE 0
684 #define CELL_TOPBOTTOM 1
685 #define CELL_LEFTRIGHT 2
686 #define CELL_TOPLEFT 3
687 #define CELL_TOPRIGHT 4
688 #define CELL_BOTTOMLEFT 5
689 #define CELL_BOTTOMRIGHT 6
690 #define CELL_TOPJOIN 7
691 #define CELL_BOTTOMJOIN 8
692 #define CELL_LEFTJOIN 9
693 #define CELL_RIGHTJOIN 10
694 #define CELL_JOIN 11
695 #define CELL_OUTSIDE 12
696 
697 /* Cell borders. */
698 #define CELL_BORDERS " xqlkmjwvtun~"
699 #define SIMPLE_BORDERS " |-+++++++++."
700 #define PADDED_BORDERS "             "
701 
702 /* Grid cell data. */
703 struct grid_cell {
704 	struct utf8_data	data;
705 	u_short			attr;
706 	u_char			flags;
707 	int			fg;
708 	int			bg;
709 	int			us;
710 	u_int			link;
711 };
712 
713 /* Grid extended cell entry. */
714 struct grid_extd_entry {
715 	utf8_char		data;
716 	u_short			attr;
717 	u_char			flags;
718 	int			fg;
719 	int			bg;
720 	int			us;
721 	u_int			link;
722 } __packed;
723 
724 /* Grid cell entry. */
725 struct grid_cell_entry {
726 	union {
727 		u_int		offset;
728 		struct {
729 			u_char	attr;
730 			u_char	fg;
731 			u_char	bg;
732 			u_char	data;
733 		} data;
734 	};
735 	u_char			flags;
736 } __packed;
737 
738 /* Grid line. */
739 struct grid_line {
740 	struct grid_cell_entry	*celldata;
741 	u_int			 cellused;
742 	u_int			 cellsize;
743 
744 	struct grid_extd_entry	*extddata;
745 	u_int			 extdsize;
746 
747 	int			 flags;
748 	time_t			 time;
749 };
750 
751 /* Entire grid of cells. */
752 struct grid {
753 	int			 flags;
754 #define GRID_HISTORY 0x1 /* scroll lines into history */
755 
756 	u_int			 sx;
757 	u_int			 sy;
758 
759 	u_int			 hscrolled;
760 	u_int			 hsize;
761 	u_int			 hlimit;
762 
763 	struct grid_line	*linedata;
764 };
765 
766 /* Virtual cursor in a grid. */
767 struct grid_reader {
768 	struct grid	*gd;
769 	u_int		 cx;
770 	u_int		 cy;
771 };
772 
773 /* Style alignment. */
774 enum style_align {
775 	STYLE_ALIGN_DEFAULT,
776 	STYLE_ALIGN_LEFT,
777 	STYLE_ALIGN_CENTRE,
778 	STYLE_ALIGN_RIGHT,
779 	STYLE_ALIGN_ABSOLUTE_CENTRE
780 };
781 
782 /* Style list. */
783 enum style_list {
784 	STYLE_LIST_OFF,
785 	STYLE_LIST_ON,
786 	STYLE_LIST_FOCUS,
787 	STYLE_LIST_LEFT_MARKER,
788 	STYLE_LIST_RIGHT_MARKER,
789 };
790 
791 /* Style range. */
792 enum style_range_type {
793 	STYLE_RANGE_NONE,
794 	STYLE_RANGE_LEFT,
795 	STYLE_RANGE_RIGHT,
796 	STYLE_RANGE_WINDOW
797 };
798 struct style_range {
799 	enum style_range_type	 type;
800 	u_int			 argument;
801 
802 	u_int			 start;
803 	u_int			 end; /* not included */
804 
805 	TAILQ_ENTRY(style_range) entry;
806 };
807 TAILQ_HEAD(style_ranges, style_range);
808 
809 /* Style default. */
810 enum style_default_type {
811 	STYLE_DEFAULT_BASE,
812 	STYLE_DEFAULT_PUSH,
813 	STYLE_DEFAULT_POP
814 };
815 
816 /* Style option. */
817 struct style {
818 	struct grid_cell	gc;
819 	int			ignore;
820 
821 	int			fill;
822 	enum style_align	align;
823 	enum style_list		list;
824 
825 	enum style_range_type	range_type;
826 	u_int			range_argument;
827 
828 	enum style_default_type	default_type;
829 };
830 
831 /* Cursor style. */
832 enum screen_cursor_style {
833 	SCREEN_CURSOR_DEFAULT,
834 	SCREEN_CURSOR_BLOCK,
835 	SCREEN_CURSOR_UNDERLINE,
836 	SCREEN_CURSOR_BAR
837 };
838 
839 /* Virtual screen. */
840 struct screen_sel;
841 struct screen_titles;
842 struct screen {
843 	char				*title;
844 	char				*path;
845 	struct screen_titles		*titles;
846 
847 	struct grid			*grid;	  /* grid data */
848 
849 	u_int				 cx;	  /* cursor x */
850 	u_int				 cy;	  /* cursor y */
851 
852 	enum screen_cursor_style	 cstyle;  /* cursor style */
853 	enum screen_cursor_style	 default_cstyle;
854 	int				 ccolour; /* cursor colour */
855 	int				 default_ccolour;
856 
857 	u_int				 rupper;  /* scroll region top */
858 	u_int				 rlower;  /* scroll region bottom */
859 
860 	int				 mode;
861 	int				 default_mode;
862 
863 	u_int				 saved_cx;
864 	u_int				 saved_cy;
865 	struct grid			*saved_grid;
866 	struct grid_cell		 saved_cell;
867 	int				 saved_flags;
868 
869 	bitstr_t			*tabs;
870 	struct screen_sel		*sel;
871 
872 	struct screen_write_cline	*write_list;
873 
874 	struct hyperlinks		*hyperlinks;
875 };
876 
877 /* Screen write context. */
878 typedef void (*screen_write_init_ctx_cb)(struct screen_write_ctx *,
879     struct tty_ctx *);
880 struct screen_write_ctx {
881 	struct window_pane		*wp;
882 	struct screen			*s;
883 
884 	int				 flags;
885 #define SCREEN_WRITE_SYNC 0x1
886 #define SCREEN_WRITE_ZWJ 0x2
887 
888 	screen_write_init_ctx_cb	 init_ctx_cb;
889 	void				*arg;
890 
891 	struct screen_write_citem	*item;
892 	u_int				 scrolled;
893 	u_int				 bg;
894 };
895 
896 /* Box border lines option. */
897 enum box_lines {
898 	BOX_LINES_DEFAULT = -1,
899 	BOX_LINES_SINGLE,
900 	BOX_LINES_DOUBLE,
901 	BOX_LINES_HEAVY,
902 	BOX_LINES_SIMPLE,
903 	BOX_LINES_ROUNDED,
904 	BOX_LINES_PADDED,
905 	BOX_LINES_NONE
906 };
907 
908 /* Pane border lines option. */
909 enum pane_lines {
910 	PANE_LINES_SINGLE,
911 	PANE_LINES_DOUBLE,
912 	PANE_LINES_HEAVY,
913 	PANE_LINES_SIMPLE,
914 	PANE_LINES_NUMBER
915 };
916 
917 /* Pane border indicator option. */
918 #define PANE_BORDER_OFF 0
919 #define PANE_BORDER_COLOUR 1
920 #define PANE_BORDER_ARROWS 2
921 #define PANE_BORDER_BOTH 3
922 
923 /* Screen redraw context. */
924 struct screen_redraw_ctx {
925 	struct client	*c;
926 
927 	u_int		 statuslines;
928 	int		 statustop;
929 
930 	int		 pane_status;
931 	enum pane_lines	 pane_lines;
932 
933 	struct grid_cell no_pane_gc;
934 	int		 no_pane_gc_set;
935 
936 	u_int		 sx;
937 	u_int		 sy;
938 	u_int		 ox;
939 	u_int		 oy;
940 };
941 
942 /* Screen size. */
943 #define screen_size_x(s) ((s)->grid->sx)
944 #define screen_size_y(s) ((s)->grid->sy)
945 #define screen_hsize(s) ((s)->grid->hsize)
946 #define screen_hlimit(s) ((s)->grid->hlimit)
947 
948 /* Menu. */
949 struct menu_item {
950 	const char	*name;
951 	key_code	 key;
952 	const char	*command;
953 };
954 struct menu {
955 	const char		*title;
956 	struct menu_item	*items;
957 	u_int			 count;
958 	u_int			 width;
959 };
960 typedef void (*menu_choice_cb)(struct menu *, u_int, key_code, void *);
961 
962 /*
963  * Window mode. Windows can be in several modes and this is used to call the
964  * right function to handle input and output.
965  */
966 struct window_mode_entry;
967 struct window_mode {
968 	const char	*name;
969 	const char	*default_format;
970 
971 	struct screen	*(*init)(struct window_mode_entry *,
972 			     struct cmd_find_state *, struct args *);
973 	void		 (*free)(struct window_mode_entry *);
974 	void		 (*resize)(struct window_mode_entry *, u_int, u_int);
975 	void		 (*update)(struct window_mode_entry *);
976 	void		 (*key)(struct window_mode_entry *, struct client *,
977 			     struct session *, struct winlink *, key_code,
978 			     struct mouse_event *);
979 
980 	const char	*(*key_table)(struct window_mode_entry *);
981 	void		 (*command)(struct window_mode_entry *, struct client *,
982 			     struct session *, struct winlink *, struct args *,
983 			     struct mouse_event *);
984 	void		 (*formats)(struct window_mode_entry *,
985 			     struct format_tree *);
986 };
987 
988 /* Active window mode. */
989 struct window_mode_entry {
990 	struct window_pane		*wp;
991 	struct window_pane		*swp;
992 
993 	const struct window_mode	*mode;
994 	void				*data;
995 
996 	struct screen			*screen;
997 	u_int				 prefix;
998 
999 	TAILQ_ENTRY(window_mode_entry)	 entry;
1000 };
1001 
1002 /* Offsets into pane buffer. */
1003 struct window_pane_offset {
1004 	size_t	used;
1005 };
1006 
1007 /* Queued pane resize. */
1008 struct window_pane_resize {
1009 	u_int				sx;
1010 	u_int				sy;
1011 
1012 	u_int				osx;
1013 	u_int				osy;
1014 
1015 	TAILQ_ENTRY(window_pane_resize)	entry;
1016 };
1017 TAILQ_HEAD(window_pane_resizes, window_pane_resize);
1018 
1019 /* Child window structure. */
1020 struct window_pane {
1021 	u_int		 id;
1022 	u_int		 active_point;
1023 
1024 	struct window	*window;
1025 	struct options	*options;
1026 
1027 	struct layout_cell *layout_cell;
1028 	struct layout_cell *saved_layout_cell;
1029 
1030 	u_int		 sx;
1031 	u_int		 sy;
1032 
1033 	u_int		 xoff;
1034 	u_int		 yoff;
1035 
1036 	int		 flags;
1037 #define PANE_REDRAW 0x1
1038 #define PANE_DROP 0x2
1039 #define PANE_FOCUSED 0x4
1040 /* 0x8 unused */
1041 /* 0x10 unused */
1042 /* 0x20 unused */
1043 #define PANE_INPUTOFF 0x40
1044 #define PANE_CHANGED 0x80
1045 #define PANE_EXITED 0x100
1046 #define PANE_STATUSREADY 0x200
1047 #define PANE_STATUSDRAWN 0x400
1048 #define PANE_EMPTY 0x800
1049 #define PANE_STYLECHANGED 0x1000
1050 #define PANE_UNSEENCHANGES 0x2000
1051 
1052 	int		 argc;
1053 	char	       **argv;
1054 	char		*shell;
1055 	char		*cwd;
1056 
1057 	pid_t		 pid;
1058 	char		 tty[TTY_NAME_MAX];
1059 	int		 status;
1060 	struct timeval	 dead_time;
1061 
1062 	int		 fd;
1063 	struct bufferevent *event;
1064 
1065 	struct window_pane_offset offset;
1066 	size_t		 base_offset;
1067 
1068 	struct window_pane_resizes resize_queue;
1069 	struct event	 resize_timer;
1070 
1071 	struct input_ctx *ictx;
1072 
1073 	struct grid_cell cached_gc;
1074 	struct grid_cell cached_active_gc;
1075 	struct colour_palette palette;
1076 
1077 	int		 pipe_fd;
1078 	struct bufferevent *pipe_event;
1079 	struct window_pane_offset pipe_offset;
1080 
1081 	struct screen	*screen;
1082 	struct screen	 base;
1083 
1084 	struct screen	 status_screen;
1085 	size_t		 status_size;
1086 
1087 	TAILQ_HEAD(, window_mode_entry) modes;
1088 
1089 	char		*searchstr;
1090 	int		 searchregex;
1091 
1092 	int		 border_gc_set;
1093 	struct grid_cell border_gc;
1094 
1095 	TAILQ_ENTRY(window_pane) entry;
1096 	RB_ENTRY(window_pane) tree_entry;
1097 };
1098 TAILQ_HEAD(window_panes, window_pane);
1099 RB_HEAD(window_pane_tree, window_pane);
1100 
1101 /* Window structure. */
1102 struct window {
1103 	u_int			 id;
1104 	void			*latest;
1105 
1106 	char			*name;
1107 	struct event		 name_event;
1108 	struct timeval		 name_time;
1109 
1110 	struct event		 alerts_timer;
1111 	struct event		 offset_timer;
1112 
1113 	struct timeval		 activity_time;
1114 
1115 	struct window_pane	*active;
1116 	struct window_pane	*last;
1117 	struct window_panes	 panes;
1118 
1119 	int			 lastlayout;
1120 	struct layout_cell	*layout_root;
1121 	struct layout_cell	*saved_layout_root;
1122 	char			*old_layout;
1123 
1124 	u_int			 sx;
1125 	u_int			 sy;
1126 	u_int			 manual_sx;
1127 	u_int			 manual_sy;
1128 	u_int			 xpixel;
1129 	u_int			 ypixel;
1130 
1131 	u_int			 new_sx;
1132 	u_int			 new_sy;
1133 	u_int			 new_xpixel;
1134 	u_int			 new_ypixel;
1135 
1136 	struct utf8_data	*fill_character;
1137 	int			 flags;
1138 #define WINDOW_BELL 0x1
1139 #define WINDOW_ACTIVITY 0x2
1140 #define WINDOW_SILENCE 0x4
1141 #define WINDOW_ZOOMED 0x8
1142 #define WINDOW_WASZOOMED 0x10
1143 #define WINDOW_RESIZE 0x20
1144 #define WINDOW_ALERTFLAGS (WINDOW_BELL|WINDOW_ACTIVITY|WINDOW_SILENCE)
1145 
1146 	int			 alerts_queued;
1147 	TAILQ_ENTRY(window)	 alerts_entry;
1148 
1149 	struct options		*options;
1150 
1151 	u_int			 references;
1152 	TAILQ_HEAD(, winlink)	 winlinks;
1153 
1154 	RB_ENTRY(window)	 entry;
1155 };
1156 RB_HEAD(windows, window);
1157 
1158 /* Entry on local window list. */
1159 struct winlink {
1160 	int		 idx;
1161 	struct session	*session;
1162 	struct window	*window;
1163 
1164 	int		 flags;
1165 #define WINLINK_BELL 0x1
1166 #define WINLINK_ACTIVITY 0x2
1167 #define WINLINK_SILENCE 0x4
1168 #define WINLINK_ALERTFLAGS (WINLINK_BELL|WINLINK_ACTIVITY|WINLINK_SILENCE)
1169 
1170 	RB_ENTRY(winlink) entry;
1171 	TAILQ_ENTRY(winlink) wentry;
1172 	TAILQ_ENTRY(winlink) sentry;
1173 };
1174 RB_HEAD(winlinks, winlink);
1175 TAILQ_HEAD(winlink_stack, winlink);
1176 
1177 /* Window size option. */
1178 #define WINDOW_SIZE_LARGEST 0
1179 #define WINDOW_SIZE_SMALLEST 1
1180 #define WINDOW_SIZE_MANUAL 2
1181 #define WINDOW_SIZE_LATEST 3
1182 
1183 /* Pane border status option. */
1184 #define PANE_STATUS_OFF 0
1185 #define PANE_STATUS_TOP 1
1186 #define PANE_STATUS_BOTTOM 2
1187 
1188 /* Layout direction. */
1189 enum layout_type {
1190 	LAYOUT_LEFTRIGHT,
1191 	LAYOUT_TOPBOTTOM,
1192 	LAYOUT_WINDOWPANE
1193 };
1194 
1195 /* Layout cells queue. */
1196 TAILQ_HEAD(layout_cells, layout_cell);
1197 
1198 /* Layout cell. */
1199 struct layout_cell {
1200 	enum layout_type type;
1201 
1202 	struct layout_cell *parent;
1203 
1204 	u_int		 sx;
1205 	u_int		 sy;
1206 
1207 	u_int		 xoff;
1208 	u_int		 yoff;
1209 
1210 	struct window_pane *wp;
1211 	struct layout_cells cells;
1212 
1213 	TAILQ_ENTRY(layout_cell) entry;
1214 };
1215 
1216 /* Environment variable. */
1217 struct environ_entry {
1218 	char		*name;
1219 	char		*value;
1220 
1221 	int		 flags;
1222 #define ENVIRON_HIDDEN 0x1
1223 
1224 	RB_ENTRY(environ_entry) entry;
1225 };
1226 
1227 /* Client session. */
1228 struct session_group {
1229 	const char		*name;
1230 	TAILQ_HEAD(, session)	 sessions;
1231 
1232 	RB_ENTRY(session_group)	 entry;
1233 };
1234 RB_HEAD(session_groups, session_group);
1235 
1236 struct session {
1237 	u_int		 id;
1238 
1239 	char		*name;
1240 	const char	*cwd;
1241 
1242 	struct timeval	 creation_time;
1243 	struct timeval	 last_attached_time;
1244 	struct timeval	 activity_time;
1245 	struct timeval	 last_activity_time;
1246 
1247 	struct event	 lock_timer;
1248 
1249 	struct winlink	*curw;
1250 	struct winlink_stack lastw;
1251 	struct winlinks	 windows;
1252 
1253 	int		 statusat;
1254 	u_int		 statuslines;
1255 
1256 	struct options	*options;
1257 
1258 #define SESSION_PASTING 0x1
1259 #define SESSION_ALERTED 0x2
1260 	int		 flags;
1261 
1262 	u_int		 attached;
1263 
1264 	struct termios	*tio;
1265 
1266 	struct environ	*environ;
1267 
1268 	int		 references;
1269 
1270 	TAILQ_ENTRY(session) gentry;
1271 	RB_ENTRY(session)    entry;
1272 };
1273 RB_HEAD(sessions, session);
1274 
1275 /* Mouse button masks. */
1276 #define MOUSE_MASK_BUTTONS 195
1277 #define MOUSE_MASK_SHIFT 4
1278 #define MOUSE_MASK_META 8
1279 #define MOUSE_MASK_CTRL 16
1280 #define MOUSE_MASK_DRAG 32
1281 #define MOUSE_MASK_MODIFIERS (MOUSE_MASK_SHIFT|MOUSE_MASK_META|MOUSE_MASK_CTRL)
1282 
1283 /* Mouse wheel type. */
1284 #define MOUSE_WHEEL_UP 64
1285 #define MOUSE_WHEEL_DOWN 65
1286 
1287 /* Mouse button type. */
1288 #define MOUSE_BUTTON_1 0
1289 #define MOUSE_BUTTON_2 1
1290 #define MOUSE_BUTTON_3 2
1291 #define MOUSE_BUTTON_6 66
1292 #define MOUSE_BUTTON_7 67
1293 #define MOUSE_BUTTON_8 128
1294 #define MOUSE_BUTTON_9 129
1295 #define MOUSE_BUTTON_10 130
1296 #define MOUSE_BUTTON_11 131
1297 
1298 /* Mouse helpers. */
1299 #define MOUSE_BUTTONS(b) ((b) & MOUSE_MASK_BUTTONS)
1300 #define MOUSE_WHEEL(b) \
1301 	(((b) & MOUSE_MASK_BUTTONS) == MOUSE_WHEEL_UP || \
1302 	 ((b) & MOUSE_MASK_BUTTONS) == MOUSE_WHEEL_DOWN)
1303 #define MOUSE_DRAG(b) ((b) & MOUSE_MASK_DRAG)
1304 #define MOUSE_RELEASE(b) (((b) & MOUSE_MASK_BUTTONS) == 3)
1305 
1306 /* Mouse input. */
1307 struct mouse_event {
1308 	int		valid;
1309 	int		ignore;
1310 
1311 	key_code	key;
1312 
1313 	int		statusat;
1314 	u_int		statuslines;
1315 
1316 	u_int		x;
1317 	u_int		y;
1318 	u_int		b;
1319 
1320 	u_int		lx;
1321 	u_int		ly;
1322 	u_int		lb;
1323 
1324 	u_int		ox;
1325 	u_int		oy;
1326 
1327 	int		s;
1328 	int		w;
1329 	int		wp;
1330 
1331 	u_int		sgr_type;
1332 	u_int		sgr_b;
1333 };
1334 
1335 /* Key event. */
1336 struct key_event {
1337 	key_code		key;
1338 	struct mouse_event	m;
1339 };
1340 
1341 /* Terminal definition. */
1342 struct tty_term {
1343 	char		*name;
1344 	struct tty	*tty;
1345 	int		 features;
1346 
1347 	char		 acs[UCHAR_MAX + 1][2];
1348 
1349 	struct tty_code	*codes;
1350 
1351 #define TERM_256COLOURS 0x1
1352 #define TERM_NOAM 0x2
1353 #define TERM_DECSLRM 0x4
1354 #define TERM_DECFRA 0x8
1355 #define TERM_RGBCOLOURS 0x10
1356 #define TERM_VT100LIKE 0x20
1357 #define TERM_SIXEL 0x40
1358 	int		 flags;
1359 
1360 	LIST_ENTRY(tty_term) entry;
1361 };
1362 LIST_HEAD(tty_terms, tty_term);
1363 
1364 /* Client terminal. */
1365 struct tty {
1366 	struct client	*client;
1367 	struct event	 start_timer;
1368 	struct event	 clipboard_timer;
1369 
1370 	u_int		 sx;
1371 	u_int		 sy;
1372 	u_int		 xpixel;
1373 	u_int		 ypixel;
1374 
1375 	u_int		 cx;
1376 	u_int		 cy;
1377 	enum screen_cursor_style cstyle;
1378 	int		 ccolour;
1379 
1380 	int		 oflag;
1381 	u_int		 oox;
1382 	u_int		 ooy;
1383 	u_int		 osx;
1384 	u_int		 osy;
1385 
1386 	int		 mode;
1387 	int              fg;
1388 	int              bg;
1389 
1390 	u_int		 rlower;
1391 	u_int		 rupper;
1392 
1393 	u_int		 rleft;
1394 	u_int		 rright;
1395 
1396 	struct event	 event_in;
1397 	struct evbuffer	*in;
1398 	struct event	 event_out;
1399 	struct evbuffer	*out;
1400 	struct event	 timer;
1401 	size_t		 discarded;
1402 
1403 	struct termios	 tio;
1404 
1405 	struct grid_cell cell;
1406 	struct grid_cell last_cell;
1407 
1408 #define TTY_NOCURSOR 0x1
1409 #define TTY_FREEZE 0x2
1410 #define TTY_TIMER 0x4
1411 #define TTY_NOBLOCK 0x8
1412 #define TTY_STARTED 0x10
1413 #define TTY_OPENED 0x20
1414 #define TTY_OSC52QUERY 0x40
1415 #define TTY_BLOCK 0x80
1416 #define TTY_HAVEDA 0x100 /* Primary DA. */
1417 #define TTY_HAVEXDA 0x200
1418 #define TTY_SYNCING 0x400
1419 #define TTY_HAVEDA2 0x800 /* Secondary DA. */
1420 #define TTY_HAVEFG 0x1000
1421 #define TTY_HAVEBG 0x2000
1422 #define TTY_ALL_REQUEST_FLAGS \
1423 	(TTY_HAVEDA|TTY_HAVEDA2|TTY_HAVEXDA|TTY_HAVEFG|TTY_HAVEBG)
1424 	int		 flags;
1425 
1426 	struct tty_term	*term;
1427 
1428 	u_int		 mouse_last_x;
1429 	u_int		 mouse_last_y;
1430 	u_int		 mouse_last_b;
1431 	int		 mouse_drag_flag;
1432 	void		(*mouse_drag_update)(struct client *,
1433 			    struct mouse_event *);
1434 	void		(*mouse_drag_release)(struct client *,
1435 			    struct mouse_event *);
1436 
1437 	struct event	 key_timer;
1438 	struct tty_key	*key_tree;
1439 };
1440 
1441 /* Terminal command context. */
1442 typedef void (*tty_ctx_redraw_cb)(const struct tty_ctx *);
1443 typedef int (*tty_ctx_set_client_cb)(struct tty_ctx *, struct client *);
1444 struct tty_ctx {
1445 	struct screen		*s;
1446 
1447 	tty_ctx_redraw_cb	 redraw_cb;
1448 	tty_ctx_set_client_cb	 set_client_cb;
1449 	void			*arg;
1450 
1451 	const struct grid_cell	*cell;
1452 	int			 wrapped;
1453 
1454 	u_int			 num;
1455 	void			*ptr;
1456 	void			*ptr2;
1457 
1458 	/*
1459 	 * Whether this command should be sent even when the pane is not
1460 	 * visible (used for a passthrough sequence when allow-passthrough is
1461 	 * "all").
1462 	 */
1463 	int			 allow_invisible_panes;
1464 
1465 	/*
1466 	 * Cursor and region position before the screen was updated - this is
1467 	 * where the command should be applied; the values in the screen have
1468 	 * already been updated.
1469 	 */
1470 	u_int			 ocx;
1471 	u_int			 ocy;
1472 
1473 	u_int			 orupper;
1474 	u_int			 orlower;
1475 
1476 	/* Target region (usually pane) offset and size. */
1477 	u_int			 xoff;
1478 	u_int			 yoff;
1479 	u_int			 rxoff;
1480 	u_int			 ryoff;
1481 	u_int			 sx;
1482 	u_int			 sy;
1483 
1484 	/* The background colour used for clearing (erasing). */
1485 	u_int			 bg;
1486 
1487 	/* The default colours and palette. */
1488 	struct grid_cell	 defaults;
1489 	struct colour_palette	*palette;
1490 
1491 	/* Containing region (usually window) offset and size. */
1492 	int			 bigger;
1493 	u_int			 wox;
1494 	u_int			 woy;
1495 	u_int			 wsx;
1496 	u_int			 wsy;
1497 };
1498 
1499 /* Saved message entry. */
1500 struct message_entry {
1501 	char				*msg;
1502 	u_int				 msg_num;
1503 	struct timeval			 msg_time;
1504 
1505 	TAILQ_ENTRY(message_entry)	 entry;
1506 };
1507 TAILQ_HEAD(message_list, message_entry);
1508 
1509 /* Argument type. */
1510 enum args_type {
1511 	ARGS_NONE,
1512 	ARGS_STRING,
1513 	ARGS_COMMANDS
1514 };
1515 
1516 /* Argument value. */
1517 struct args_value {
1518 	enum args_type		 type;
1519 	union {
1520 		char		*string;
1521 		struct cmd_list	*cmdlist;
1522 	};
1523 	char			*cached;
1524 	TAILQ_ENTRY(args_value)	 entry;
1525 };
1526 
1527 /* Arguments set. */
1528 struct args_entry;
1529 RB_HEAD(args_tree, args_entry);
1530 
1531 /* Arguments parsing type. */
1532 enum args_parse_type {
1533 	ARGS_PARSE_INVALID,
1534 	ARGS_PARSE_STRING,
1535 	ARGS_PARSE_COMMANDS_OR_STRING,
1536 	ARGS_PARSE_COMMANDS
1537 };
1538 
1539 /* Arguments parsing state. */
1540 typedef enum args_parse_type (*args_parse_cb)(struct args *, u_int, char **);
1541 struct args_parse {
1542 	const char	*template;
1543 	int		 lower;
1544 	int		 upper;
1545 	args_parse_cb	 cb;
1546 };
1547 
1548 /* Command find structures. */
1549 enum cmd_find_type {
1550 	CMD_FIND_PANE,
1551 	CMD_FIND_WINDOW,
1552 	CMD_FIND_SESSION,
1553 };
1554 struct cmd_find_state {
1555 	int			 flags;
1556 	struct cmd_find_state	*current;
1557 
1558 	struct session		*s;
1559 	struct winlink		*wl;
1560 	struct window		*w;
1561 	struct window_pane	*wp;
1562 	int			 idx;
1563 };
1564 
1565 /* Command find flags. */
1566 #define CMD_FIND_PREFER_UNATTACHED 0x1
1567 #define CMD_FIND_QUIET 0x2
1568 #define CMD_FIND_WINDOW_INDEX 0x4
1569 #define CMD_FIND_DEFAULT_MARKED 0x8
1570 #define CMD_FIND_EXACT_SESSION 0x10
1571 #define CMD_FIND_EXACT_WINDOW 0x20
1572 #define CMD_FIND_CANFAIL 0x40
1573 
1574 /* List of commands. */
1575 struct cmd_list {
1576 	int		 references;
1577 	u_int		 group;
1578 	struct cmds	*list;
1579 };
1580 
1581 /* Command return values. */
1582 enum cmd_retval {
1583 	CMD_RETURN_ERROR = -1,
1584 	CMD_RETURN_NORMAL = 0,
1585 	CMD_RETURN_WAIT,
1586 	CMD_RETURN_STOP
1587 };
1588 
1589 /* Command parse result. */
1590 enum cmd_parse_status {
1591 	CMD_PARSE_ERROR,
1592 	CMD_PARSE_SUCCESS
1593 };
1594 struct cmd_parse_result {
1595 	enum cmd_parse_status	 status;
1596 	struct cmd_list		*cmdlist;
1597 	char			*error;
1598 };
1599 struct cmd_parse_input {
1600 	int			 flags;
1601 #define CMD_PARSE_QUIET 0x1
1602 #define CMD_PARSE_PARSEONLY 0x2
1603 #define CMD_PARSE_NOALIAS 0x4
1604 #define CMD_PARSE_VERBOSE 0x8
1605 #define CMD_PARSE_ONEGROUP 0x10
1606 
1607 	const char		*file;
1608 	u_int			 line;
1609 
1610 	struct cmdq_item	*item;
1611 	struct client		*c;
1612 	struct cmd_find_state	 fs;
1613 };
1614 
1615 /* Command queue flags. */
1616 #define CMDQ_STATE_REPEAT 0x1
1617 #define CMDQ_STATE_CONTROL 0x2
1618 #define CMDQ_STATE_NOHOOKS 0x4
1619 
1620 /* Command queue callback. */
1621 typedef enum cmd_retval (*cmdq_cb) (struct cmdq_item *, void *);
1622 
1623 /* Command definition flag. */
1624 struct cmd_entry_flag {
1625 	char			 flag;
1626 	enum cmd_find_type	 type;
1627 	int			 flags;
1628 };
1629 
1630 /* Command definition. */
1631 struct cmd_entry {
1632 	const char		*name;
1633 	const char		*alias;
1634 
1635 	struct args_parse	 args;
1636 	const char		*usage;
1637 
1638 	struct cmd_entry_flag	 source;
1639 	struct cmd_entry_flag	 target;
1640 
1641 #define CMD_STARTSERVER 0x1
1642 #define CMD_READONLY 0x2
1643 #define CMD_AFTERHOOK 0x4
1644 #define CMD_CLIENT_CFLAG 0x8
1645 #define CMD_CLIENT_TFLAG 0x10
1646 #define CMD_CLIENT_CANFAIL 0x20
1647 	int		 flags;
1648 
1649 	enum cmd_retval	 (*exec)(struct cmd *, struct cmdq_item *);
1650 };
1651 
1652 /* Status line. */
1653 #define STATUS_LINES_LIMIT 5
1654 struct status_line_entry {
1655 	char			*expanded;
1656 	struct style_ranges	 ranges;
1657 };
1658 struct status_line {
1659 	struct event		 timer;
1660 
1661 	struct screen		 screen;
1662 	struct screen		*active;
1663 	int			 references;
1664 
1665 	struct grid_cell	 style;
1666 	struct status_line_entry entries[STATUS_LINES_LIMIT];
1667 };
1668 
1669 /* Prompt type. */
1670 #define PROMPT_NTYPES 4
1671 enum prompt_type {
1672 	PROMPT_TYPE_COMMAND,
1673 	PROMPT_TYPE_SEARCH,
1674 	PROMPT_TYPE_TARGET,
1675 	PROMPT_TYPE_WINDOW_TARGET,
1676 	PROMPT_TYPE_INVALID = 0xff
1677 };
1678 
1679 /* File in client. */
1680 typedef void (*client_file_cb) (struct client *, const char *, int, int,
1681     struct evbuffer *, void *);
1682 struct client_file {
1683 	struct client			*c;
1684 	struct tmuxpeer			*peer;
1685 	struct client_files		*tree;
1686 	int				 references;
1687 	int				 stream;
1688 
1689 	char				*path;
1690 	struct evbuffer			*buffer;
1691 	struct bufferevent		*event;
1692 
1693 	int				 fd;
1694 	int				 error;
1695 	int				 closed;
1696 
1697 	client_file_cb			 cb;
1698 	void				*data;
1699 
1700 	RB_ENTRY(client_file)		 entry;
1701 };
1702 RB_HEAD(client_files, client_file);
1703 
1704 /* Client window. */
1705 struct client_window {
1706 	u_int			 window;
1707 	struct window_pane	*pane;
1708 
1709 	u_int			 sx;
1710 	u_int			 sy;
1711 
1712 	RB_ENTRY(client_window)	 entry;
1713 };
1714 RB_HEAD(client_windows, client_window);
1715 
1716 /* Visible areas not obstructed by overlays. */
1717 #define OVERLAY_MAX_RANGES 3
1718 struct overlay_ranges {
1719 	u_int	px[OVERLAY_MAX_RANGES];
1720 	u_int	nx[OVERLAY_MAX_RANGES];
1721 };
1722 
1723 /* Client connection. */
1724 typedef int (*prompt_input_cb)(struct client *, void *, const char *, int);
1725 typedef void (*prompt_free_cb)(void *);
1726 typedef void (*overlay_check_cb)(struct client*, void *, u_int, u_int, u_int,
1727 	    struct overlay_ranges *);
1728 typedef struct screen *(*overlay_mode_cb)(struct client *, void *, u_int *,
1729 	    u_int *);
1730 typedef void (*overlay_draw_cb)(struct client *, void *,
1731 	    struct screen_redraw_ctx *);
1732 typedef int (*overlay_key_cb)(struct client *, void *, struct key_event *);
1733 typedef void (*overlay_free_cb)(struct client *, void *);
1734 typedef void (*overlay_resize_cb)(struct client *, void *);
1735 struct client {
1736 	const char		*name;
1737 	struct tmuxpeer		*peer;
1738 	struct cmdq_list	*queue;
1739 
1740 	struct client_windows	 windows;
1741 
1742 	struct control_state	*control_state;
1743 	u_int			 pause_age;
1744 
1745 	pid_t			 pid;
1746 	int			 fd;
1747 	int			 out_fd;
1748 	struct event		 event;
1749 	int			 retval;
1750 
1751 	struct timeval		 creation_time;
1752 	struct timeval		 activity_time;
1753 
1754 	struct environ		*environ;
1755 	struct format_job_tree	*jobs;
1756 
1757 	char			*title;
1758 	char			*path;
1759 	const char		*cwd;
1760 
1761 	char			*term_name;
1762 	int			 term_features;
1763 	char			*term_type;
1764 	char		       **term_caps;
1765 	u_int			 term_ncaps;
1766 
1767 	char			*ttyname;
1768 	struct tty		 tty;
1769 
1770 	size_t			 written;
1771 	size_t			 discarded;
1772 	size_t			 redraw;
1773 
1774 	struct event		 repeat_timer;
1775 
1776 	struct event		 click_timer;
1777 	u_int			 click_button;
1778 	struct mouse_event	 click_event;
1779 
1780 	struct status_line	 status;
1781 
1782 #define CLIENT_TERMINAL 0x1
1783 #define CLIENT_LOGIN 0x2
1784 #define CLIENT_EXIT 0x4
1785 #define CLIENT_REDRAWWINDOW 0x8
1786 #define CLIENT_REDRAWSTATUS 0x10
1787 #define CLIENT_REPEAT 0x20
1788 #define CLIENT_SUSPENDED 0x40
1789 #define CLIENT_ATTACHED 0x80
1790 #define CLIENT_EXITED 0x100
1791 #define CLIENT_DEAD 0x200
1792 #define CLIENT_REDRAWBORDERS 0x400
1793 #define CLIENT_READONLY 0x800
1794 #define CLIENT_NOSTARTSERVER 0x1000
1795 #define CLIENT_CONTROL 0x2000
1796 #define CLIENT_CONTROLCONTROL 0x4000
1797 #define CLIENT_FOCUSED 0x8000
1798 #define CLIENT_UTF8 0x10000
1799 #define CLIENT_IGNORESIZE 0x20000
1800 #define CLIENT_IDENTIFIED 0x40000
1801 #define CLIENT_STATUSFORCE 0x80000
1802 #define CLIENT_DOUBLECLICK 0x100000
1803 #define CLIENT_TRIPLECLICK 0x200000
1804 #define CLIENT_SIZECHANGED 0x400000
1805 #define CLIENT_STATUSOFF 0x800000
1806 #define CLIENT_REDRAWSTATUSALWAYS 0x1000000
1807 #define CLIENT_REDRAWOVERLAY 0x2000000
1808 #define CLIENT_CONTROL_NOOUTPUT 0x4000000
1809 #define CLIENT_DEFAULTSOCKET 0x8000000
1810 #define CLIENT_STARTSERVER 0x10000000
1811 #define CLIENT_REDRAWPANES 0x20000000
1812 #define CLIENT_NOFORK 0x40000000
1813 #define CLIENT_ACTIVEPANE 0x80000000ULL
1814 #define CLIENT_CONTROL_PAUSEAFTER 0x100000000ULL
1815 #define CLIENT_CONTROL_WAITEXIT 0x200000000ULL
1816 #define CLIENT_WINDOWSIZECHANGED 0x400000000ULL
1817 #define CLIENT_CLIPBOARDBUFFER 0x800000000ULL
1818 #define CLIENT_BRACKETPASTING 0x1000000000ULL
1819 #define CLIENT_ALLREDRAWFLAGS		\
1820 	(CLIENT_REDRAWWINDOW|		\
1821 	 CLIENT_REDRAWSTATUS|		\
1822 	 CLIENT_REDRAWSTATUSALWAYS|	\
1823 	 CLIENT_REDRAWBORDERS|		\
1824 	 CLIENT_REDRAWOVERLAY|		\
1825 	 CLIENT_REDRAWPANES)
1826 #define CLIENT_UNATTACHEDFLAGS	\
1827 	(CLIENT_DEAD|		\
1828 	 CLIENT_SUSPENDED|	\
1829 	 CLIENT_EXIT)
1830 #define CLIENT_NODETACHFLAGS	\
1831 	(CLIENT_DEAD|		\
1832 	 CLIENT_EXIT)
1833 #define CLIENT_NOSIZEFLAGS	\
1834 	(CLIENT_DEAD|		\
1835 	 CLIENT_SUSPENDED|	\
1836 	 CLIENT_EXIT)
1837 	uint64_t		 flags;
1838 
1839 	enum {
1840 		CLIENT_EXIT_RETURN,
1841 		CLIENT_EXIT_SHUTDOWN,
1842 		CLIENT_EXIT_DETACH
1843 	}			 exit_type;
1844 	enum msgtype		 exit_msgtype;
1845 	char			*exit_session;
1846 	char			*exit_message;
1847 
1848 	struct key_table	*keytable;
1849 
1850 	uint64_t		 redraw_panes;
1851 
1852 	int			 message_ignore_keys;
1853 	int			 message_ignore_styles;
1854 	char			*message_string;
1855 	struct event		 message_timer;
1856 
1857 	char			*prompt_string;
1858 	struct utf8_data	*prompt_buffer;
1859 	char			*prompt_last;
1860 	size_t			 prompt_index;
1861 	prompt_input_cb		 prompt_inputcb;
1862 	prompt_free_cb		 prompt_freecb;
1863 	void			*prompt_data;
1864 	u_int			 prompt_hindex[PROMPT_NTYPES];
1865 	enum {
1866 		PROMPT_ENTRY,
1867 		PROMPT_COMMAND
1868 	}			 prompt_mode;
1869 	struct utf8_data	*prompt_saved;
1870 #define PROMPT_SINGLE 0x1
1871 #define PROMPT_NUMERIC 0x2
1872 #define PROMPT_INCREMENTAL 0x4
1873 #define PROMPT_NOFORMAT 0x8
1874 #define PROMPT_KEY 0x10
1875 	int			 prompt_flags;
1876 	enum prompt_type	 prompt_type;
1877 	int			 prompt_cursor;
1878 
1879 	struct session		*session;
1880 	struct session		*last_session;
1881 
1882 	int			 references;
1883 
1884 	void			*pan_window;
1885 	u_int			 pan_ox;
1886 	u_int			 pan_oy;
1887 
1888 	overlay_check_cb	 overlay_check;
1889 	overlay_mode_cb		 overlay_mode;
1890 	overlay_draw_cb		 overlay_draw;
1891 	overlay_key_cb		 overlay_key;
1892 	overlay_free_cb		 overlay_free;
1893 	overlay_resize_cb	 overlay_resize;
1894 	void			*overlay_data;
1895 	struct event		 overlay_timer;
1896 
1897 	struct client_files	 files;
1898 
1899 	u_int			*clipboard_panes;
1900 	u_int			 clipboard_npanes;
1901 
1902 	TAILQ_ENTRY(client)	 entry;
1903 };
1904 TAILQ_HEAD(clients, client);
1905 
1906 /* Control mode subscription type. */
1907 enum control_sub_type {
1908 	CONTROL_SUB_SESSION,
1909 	CONTROL_SUB_PANE,
1910 	CONTROL_SUB_ALL_PANES,
1911 	CONTROL_SUB_WINDOW,
1912 	CONTROL_SUB_ALL_WINDOWS
1913 };
1914 
1915 /* Key binding and key table. */
1916 struct key_binding {
1917 	key_code		 key;
1918 	struct cmd_list		*cmdlist;
1919 	const char		*note;
1920 
1921 	int			 flags;
1922 #define KEY_BINDING_REPEAT 0x1
1923 
1924 	RB_ENTRY(key_binding)	 entry;
1925 };
1926 RB_HEAD(key_bindings, key_binding);
1927 
1928 struct key_table {
1929 	const char		*name;
1930 	struct key_bindings	 key_bindings;
1931 	struct key_bindings	 default_key_bindings;
1932 
1933 	u_int			 references;
1934 
1935 	RB_ENTRY(key_table)	 entry;
1936 };
1937 RB_HEAD(key_tables, key_table);
1938 
1939 /* Option data. */
1940 RB_HEAD(options_array, options_array_item);
1941 union options_value {
1942 	char			*string;
1943 	long long		 number;
1944 	struct style		 style;
1945 	struct options_array	 array;
1946 	struct cmd_list		*cmdlist;
1947 };
1948 
1949 /* Option table entries. */
1950 enum options_table_type {
1951 	OPTIONS_TABLE_STRING,
1952 	OPTIONS_TABLE_NUMBER,
1953 	OPTIONS_TABLE_KEY,
1954 	OPTIONS_TABLE_COLOUR,
1955 	OPTIONS_TABLE_FLAG,
1956 	OPTIONS_TABLE_CHOICE,
1957 	OPTIONS_TABLE_COMMAND
1958 };
1959 
1960 #define OPTIONS_TABLE_NONE 0
1961 #define OPTIONS_TABLE_SERVER 0x1
1962 #define OPTIONS_TABLE_SESSION 0x2
1963 #define OPTIONS_TABLE_WINDOW 0x4
1964 #define OPTIONS_TABLE_PANE 0x8
1965 
1966 #define OPTIONS_TABLE_IS_ARRAY 0x1
1967 #define OPTIONS_TABLE_IS_HOOK 0x2
1968 #define OPTIONS_TABLE_IS_STYLE 0x4
1969 
1970 struct options_table_entry {
1971 	const char		 *name;
1972 	const char		 *alternative_name;
1973 	enum options_table_type	  type;
1974 	int			  scope;
1975 	int			  flags;
1976 
1977 	u_int			  minimum;
1978 	u_int			  maximum;
1979 	const char		**choices;
1980 
1981 	const char		 *default_str;
1982 	long long		  default_num;
1983 	const char		**default_arr;
1984 
1985 	const char		 *separator;
1986 	const char		 *pattern;
1987 
1988 	const char		 *text;
1989 	const char		 *unit;
1990 };
1991 
1992 struct options_name_map {
1993 	const char		*from;
1994 	const char		*to;
1995 };
1996 
1997 /* Common command usages. */
1998 #define CMD_TARGET_PANE_USAGE "[-t target-pane]"
1999 #define CMD_TARGET_WINDOW_USAGE "[-t target-window]"
2000 #define CMD_TARGET_SESSION_USAGE "[-t target-session]"
2001 #define CMD_TARGET_CLIENT_USAGE "[-t target-client]"
2002 #define CMD_SRCDST_PANE_USAGE "[-s src-pane] [-t dst-pane]"
2003 #define CMD_SRCDST_WINDOW_USAGE "[-s src-window] [-t dst-window]"
2004 #define CMD_SRCDST_SESSION_USAGE "[-s src-session] [-t dst-session]"
2005 #define CMD_SRCDST_CLIENT_USAGE "[-s src-client] [-t dst-client]"
2006 #define CMD_BUFFER_USAGE "[-b buffer-name]"
2007 
2008 /* Spawn common context. */
2009 struct spawn_context {
2010 	struct cmdq_item	 *item;
2011 
2012 	struct session		 *s;
2013 	struct winlink		 *wl;
2014 	struct client		 *tc;
2015 
2016 	struct window_pane	 *wp0;
2017 	struct layout_cell	 *lc;
2018 
2019 	const char		 *name;
2020 	char			**argv;
2021 	int			  argc;
2022 	struct environ		 *environ;
2023 
2024 	int			  idx;
2025 	const char		 *cwd;
2026 
2027 	int			  flags;
2028 #define SPAWN_KILL 0x1
2029 #define SPAWN_DETACHED 0x2
2030 #define SPAWN_RESPAWN 0x4
2031 #define SPAWN_BEFORE 0x8
2032 #define SPAWN_NONOTIFY 0x10
2033 #define SPAWN_FULLSIZE 0x20
2034 #define SPAWN_EMPTY 0x40
2035 #define SPAWN_ZOOM 0x80
2036 };
2037 
2038 /* Mode tree sort order. */
2039 struct mode_tree_sort_criteria {
2040 	u_int	field;
2041 	int	reversed;
2042 };
2043 
2044 /* tmux.c */
2045 extern struct options	*global_options;
2046 extern struct options	*global_s_options;
2047 extern struct options	*global_w_options;
2048 extern struct environ	*global_environ;
2049 extern struct timeval	 start_time;
2050 extern const char	*socket_path;
2051 extern const char	*shell_command;
2052 extern int		 ptm_fd;
2053 extern const char	*shell_command;
2054 int		 checkshell(const char *);
2055 void		 setblocking(int, int);
2056 uint64_t	 get_timer(void);
2057 const char	*sig2name(int);
2058 const char	*find_cwd(void);
2059 const char	*find_home(void);
2060 const char	*getversion(void);
2061 
2062 /* proc.c */
2063 struct imsg;
2064 int	proc_send(struct tmuxpeer *, enum msgtype, int, const void *, size_t);
2065 struct tmuxproc *proc_start(const char *);
2066 void	proc_loop(struct tmuxproc *, int (*)(void));
2067 void	proc_exit(struct tmuxproc *);
2068 void	proc_set_signals(struct tmuxproc *, void(*)(int));
2069 void	proc_clear_signals(struct tmuxproc *, int);
2070 struct tmuxpeer *proc_add_peer(struct tmuxproc *, int,
2071 	    void (*)(struct imsg *, void *), void *);
2072 void	proc_remove_peer(struct tmuxpeer *);
2073 void	proc_kill_peer(struct tmuxpeer *);
2074 void	proc_flush_peer(struct tmuxpeer *);
2075 void	proc_toggle_log(struct tmuxproc *);
2076 pid_t	proc_fork_and_daemon(int *);
2077 uid_t	proc_get_peer_uid(struct tmuxpeer *);
2078 
2079 /* cfg.c */
2080 extern int cfg_finished;
2081 extern struct client *cfg_client;
2082 extern char **cfg_files;
2083 extern u_int cfg_nfiles;
2084 extern int cfg_quiet;
2085 void	start_cfg(void);
2086 int	load_cfg(const char *, struct client *, struct cmdq_item *, int,
2087 	    struct cmdq_item **);
2088 int	load_cfg_from_buffer(const void *, size_t, const char *,
2089 	    struct client *, struct cmdq_item *, int, struct cmdq_item **);
2090 void printflike(1, 2) cfg_add_cause(const char *, ...);
2091 void	cfg_print_causes(struct cmdq_item *);
2092 void	cfg_show_causes(struct session *);
2093 
2094 /* paste.c */
2095 struct paste_buffer;
2096 const char	*paste_buffer_name(struct paste_buffer *);
2097 u_int		 paste_buffer_order(struct paste_buffer *);
2098 time_t		 paste_buffer_created(struct paste_buffer *);
2099 const char	*paste_buffer_data(struct paste_buffer *, size_t *);
2100 struct paste_buffer *paste_walk(struct paste_buffer *);
2101 int		 paste_is_empty(void);
2102 struct paste_buffer *paste_get_top(const char **);
2103 struct paste_buffer *paste_get_name(const char *);
2104 void		 paste_free(struct paste_buffer *);
2105 void		 paste_add(const char *, char *, size_t);
2106 int		 paste_rename(const char *, const char *, char **);
2107 int		 paste_set(char *, size_t, const char *, char **);
2108 void		 paste_replace(struct paste_buffer *, char *, size_t);
2109 char		*paste_make_sample(struct paste_buffer *);
2110 
2111 /* format.c */
2112 #define FORMAT_STATUS 0x1
2113 #define FORMAT_FORCE 0x2
2114 #define FORMAT_NOJOBS 0x4
2115 #define FORMAT_VERBOSE 0x8
2116 #define FORMAT_NONE 0
2117 #define FORMAT_PANE 0x80000000U
2118 #define FORMAT_WINDOW 0x40000000U
2119 struct format_tree;
2120 struct format_modifier;
2121 typedef void *(*format_cb)(struct format_tree *);
2122 void		 format_tidy_jobs(void);
2123 const char	*format_skip(const char *, const char *);
2124 int		 format_true(const char *);
2125 struct format_tree *format_create(struct client *, struct cmdq_item *, int,
2126 		     int);
2127 void		 format_free(struct format_tree *);
2128 void		 format_merge(struct format_tree *, struct format_tree *);
2129 struct window_pane *format_get_pane(struct format_tree *);
2130 void printflike(3, 4) format_add(struct format_tree *, const char *,
2131 		     const char *, ...);
2132 void		 format_add_tv(struct format_tree *, const char *,
2133 		     struct timeval *);
2134 void		 format_add_cb(struct format_tree *, const char *, format_cb);
2135 void		 format_log_debug(struct format_tree *, const char *);
2136 void		 format_each(struct format_tree *, void (*)(const char *,
2137 		     const char *, void *), void *);
2138 char		*format_pretty_time(time_t, int);
2139 char		*format_expand_time(struct format_tree *, const char *);
2140 char		*format_expand(struct format_tree *, const char *);
2141 char		*format_single(struct cmdq_item *, const char *,
2142 		     struct client *, struct session *, struct winlink *,
2143 		     struct window_pane *);
2144 char		*format_single_from_state(struct cmdq_item *, const char *,
2145 		    struct client *, struct cmd_find_state *);
2146 char		*format_single_from_target(struct cmdq_item *, const char *);
2147 struct format_tree *format_create_defaults(struct cmdq_item *, struct client *,
2148 		     struct session *, struct winlink *, struct window_pane *);
2149 struct format_tree *format_create_from_state(struct cmdq_item *,
2150 		     struct client *, struct cmd_find_state *);
2151 struct format_tree *format_create_from_target(struct cmdq_item *);
2152 void		 format_defaults(struct format_tree *, struct client *,
2153 		     struct session *, struct winlink *, struct window_pane *);
2154 void		 format_defaults_window(struct format_tree *, struct window *);
2155 void		 format_defaults_pane(struct format_tree *,
2156 		     struct window_pane *);
2157 void		 format_defaults_paste_buffer(struct format_tree *,
2158 		     struct paste_buffer *);
2159 void		 format_lost_client(struct client *);
2160 char		*format_grid_word(struct grid *, u_int, u_int);
2161 char		*format_grid_hyperlink(struct grid *, u_int, u_int,
2162 		     struct screen *);
2163 char		*format_grid_line(struct grid *, u_int);
2164 
2165 /* format-draw.c */
2166 void		 format_draw(struct screen_write_ctx *,
2167 		     const struct grid_cell *, u_int, const char *,
2168 		     struct style_ranges *, int);
2169 u_int		 format_width(const char *);
2170 char		*format_trim_left(const char *, u_int);
2171 char		*format_trim_right(const char *, u_int);
2172 
2173 /* notify.c */
2174 void	notify_hook(struct cmdq_item *, const char *);
2175 void	notify_client(const char *, struct client *);
2176 void	notify_session(const char *, struct session *);
2177 void	notify_winlink(const char *, struct winlink *);
2178 void	notify_session_window(const char *, struct session *, struct window *);
2179 void	notify_window(const char *, struct window *);
2180 void	notify_pane(const char *, struct window_pane *);
2181 void	notify_paste_buffer(const char *, int);
2182 
2183 /* options.c */
2184 struct options	*options_create(struct options *);
2185 void		 options_free(struct options *);
2186 struct options	*options_get_parent(struct options *);
2187 void		 options_set_parent(struct options *, struct options *);
2188 struct options_entry *options_first(struct options *);
2189 struct options_entry *options_next(struct options_entry *);
2190 struct options_entry *options_empty(struct options *,
2191 		     const struct options_table_entry *);
2192 struct options_entry *options_default(struct options *,
2193 		     const struct options_table_entry *);
2194 char		*options_default_to_string(const struct options_table_entry *);
2195 const char	*options_name(struct options_entry *);
2196 struct options	*options_owner(struct options_entry *);
2197 const struct options_table_entry *options_table_entry(struct options_entry *);
2198 struct options_entry *options_get_only(struct options *, const char *);
2199 struct options_entry *options_get(struct options *, const char *);
2200 void		 options_array_clear(struct options_entry *);
2201 union options_value *options_array_get(struct options_entry *, u_int);
2202 int		 options_array_set(struct options_entry *, u_int, const char *,
2203 		     int, char **);
2204 int		 options_array_assign(struct options_entry *, const char *,
2205 		     char **);
2206 struct options_array_item *options_array_first(struct options_entry *);
2207 struct options_array_item *options_array_next(struct options_array_item *);
2208 u_int		 options_array_item_index(struct options_array_item *);
2209 union options_value *options_array_item_value(struct options_array_item *);
2210 int		 options_is_array(struct options_entry *);
2211 int		 options_is_string(struct options_entry *);
2212 char		*options_to_string(struct options_entry *, int, int);
2213 char		*options_parse(const char *, int *);
2214 struct options_entry *options_parse_get(struct options *, const char *, int *,
2215 		     int);
2216 char		*options_match(const char *, int *, int *);
2217 struct options_entry *options_match_get(struct options *, const char *, int *,
2218 		     int, int *);
2219 const char	*options_get_string(struct options *, const char *);
2220 long long	 options_get_number(struct options *, const char *);
2221 struct options_entry * printflike(4, 5) options_set_string(struct options *,
2222 		     const char *, int, const char *, ...);
2223 struct options_entry *options_set_number(struct options *, const char *,
2224 		     long long);
2225 int		 options_scope_from_name(struct args *, int,
2226 		     const char *, struct cmd_find_state *, struct options **,
2227 		     char **);
2228 int		 options_scope_from_flags(struct args *, int,
2229 		     struct cmd_find_state *, struct options **, char **);
2230 struct style	*options_string_to_style(struct options *, const char *,
2231 		     struct format_tree *);
2232 int		 options_from_string(struct options *,
2233 		     const struct options_table_entry *, const char *,
2234 		     const char *, int, char **);
2235 int	 	 options_find_choice(const struct options_table_entry *,
2236 		     const char *, char **);
2237 void		 options_push_changes(const char *);
2238 int		 options_remove_or_default(struct options_entry *, int,
2239 		     char **);
2240 
2241 /* options-table.c */
2242 extern const struct options_table_entry	options_table[];
2243 extern const struct options_name_map	options_other_names[];
2244 
2245 /* job.c */
2246 typedef void (*job_update_cb) (struct job *);
2247 typedef void (*job_complete_cb) (struct job *);
2248 typedef void (*job_free_cb) (void *);
2249 #define JOB_NOWAIT 0x1
2250 #define JOB_KEEPWRITE 0x2
2251 #define JOB_PTY 0x4
2252 struct job	*job_run(const char *, int, char **, struct environ *,
2253 		     struct session *, const char *, job_update_cb,
2254 		     job_complete_cb, job_free_cb, void *, int, int, int);
2255 void		 job_free(struct job *);
2256 int		 job_transfer(struct job *, pid_t *, char *, size_t);
2257 void		 job_resize(struct job *, u_int, u_int);
2258 void		 job_check_died(pid_t, int);
2259 int		 job_get_status(struct job *);
2260 void		*job_get_data(struct job *);
2261 struct bufferevent *job_get_event(struct job *);
2262 void		 job_kill_all(void);
2263 int		 job_still_running(void);
2264 void		 job_print_summary(struct cmdq_item *, int);
2265 
2266 /* environ.c */
2267 struct environ *environ_create(void);
2268 void	environ_free(struct environ *);
2269 struct environ_entry *environ_first(struct environ *);
2270 struct environ_entry *environ_next(struct environ_entry *);
2271 void	environ_copy(struct environ *, struct environ *);
2272 struct environ_entry *environ_find(struct environ *, const char *);
2273 void printflike(4, 5) environ_set(struct environ *, const char *, int,
2274 	    const char *, ...);
2275 void	environ_clear(struct environ *, const char *);
2276 void	environ_put(struct environ *, const char *, int);
2277 void	environ_unset(struct environ *, const char *);
2278 void	environ_update(struct options *, struct environ *, struct environ *);
2279 void	environ_push(struct environ *);
2280 void printflike(2, 3) environ_log(struct environ *, const char *, ...);
2281 struct environ *environ_for_session(struct session *, int);
2282 
2283 /* tty.c */
2284 void	tty_create_log(void);
2285 int	tty_window_bigger(struct tty *);
2286 int	tty_window_offset(struct tty *, u_int *, u_int *, u_int *, u_int *);
2287 void	tty_update_window_offset(struct window *);
2288 void	tty_update_client_offset(struct client *);
2289 void	tty_raw(struct tty *, const char *);
2290 void	tty_attributes(struct tty *, const struct grid_cell *,
2291 	    const struct grid_cell *, struct colour_palette *,
2292 	    struct hyperlinks *);
2293 void	tty_reset(struct tty *);
2294 void	tty_region_off(struct tty *);
2295 void	tty_margin_off(struct tty *);
2296 void	tty_cursor(struct tty *, u_int, u_int);
2297 void	tty_clipboard_query(struct tty *);
2298 void	tty_putcode(struct tty *, enum tty_code_code);
2299 void	tty_putcode_i(struct tty *, enum tty_code_code, int);
2300 void	tty_putcode_ii(struct tty *, enum tty_code_code, int, int);
2301 void	tty_putcode_iii(struct tty *, enum tty_code_code, int, int, int);
2302 void	tty_putcode_s(struct tty *, enum tty_code_code, const char *);
2303 void	tty_putcode_ss(struct tty *, enum tty_code_code, const char *,
2304 	    const char *);
2305 void	tty_puts(struct tty *, const char *);
2306 void	tty_putc(struct tty *, u_char);
2307 void	tty_putn(struct tty *, const void *, size_t, u_int);
2308 void	tty_cell(struct tty *, const struct grid_cell *,
2309 	    const struct grid_cell *, struct colour_palette *,
2310 	    struct hyperlinks *);
2311 int	tty_init(struct tty *, struct client *);
2312 void	tty_resize(struct tty *);
2313 void	tty_set_size(struct tty *, u_int, u_int, u_int, u_int);
2314 void	tty_start_tty(struct tty *);
2315 void	tty_send_requests(struct tty *);
2316 void	tty_stop_tty(struct tty *);
2317 void	tty_set_title(struct tty *, const char *);
2318 void	tty_set_path(struct tty *, const char *);
2319 void	tty_update_mode(struct tty *, int, struct screen *);
2320 void	tty_draw_line(struct tty *, struct screen *, u_int, u_int, u_int,
2321 	    u_int, u_int, const struct grid_cell *, struct colour_palette *);
2322 void	tty_sync_start(struct tty *);
2323 void	tty_sync_end(struct tty *);
2324 int	tty_open(struct tty *, char **);
2325 void	tty_close(struct tty *);
2326 void	tty_free(struct tty *);
2327 void	tty_update_features(struct tty *);
2328 void	tty_set_selection(struct tty *, const char *, const char *, size_t);
2329 void	tty_write(void (*)(struct tty *, const struct tty_ctx *),
2330 	    struct tty_ctx *);
2331 void	tty_cmd_alignmenttest(struct tty *, const struct tty_ctx *);
2332 void	tty_cmd_cell(struct tty *, const struct tty_ctx *);
2333 void	tty_cmd_cells(struct tty *, const struct tty_ctx *);
2334 void	tty_cmd_clearendofline(struct tty *, const struct tty_ctx *);
2335 void	tty_cmd_clearendofscreen(struct tty *, const struct tty_ctx *);
2336 void	tty_cmd_clearline(struct tty *, const struct tty_ctx *);
2337 void	tty_cmd_clearscreen(struct tty *, const struct tty_ctx *);
2338 void	tty_cmd_clearstartofline(struct tty *, const struct tty_ctx *);
2339 void	tty_cmd_clearstartofscreen(struct tty *, const struct tty_ctx *);
2340 void	tty_cmd_deletecharacter(struct tty *, const struct tty_ctx *);
2341 void	tty_cmd_clearcharacter(struct tty *, const struct tty_ctx *);
2342 void	tty_cmd_deleteline(struct tty *, const struct tty_ctx *);
2343 void	tty_cmd_erasecharacter(struct tty *, const struct tty_ctx *);
2344 void	tty_cmd_insertcharacter(struct tty *, const struct tty_ctx *);
2345 void	tty_cmd_insertline(struct tty *, const struct tty_ctx *);
2346 void	tty_cmd_linefeed(struct tty *, const struct tty_ctx *);
2347 void	tty_cmd_scrollup(struct tty *, const struct tty_ctx *);
2348 void	tty_cmd_scrolldown(struct tty *, const struct tty_ctx *);
2349 void	tty_cmd_reverseindex(struct tty *, const struct tty_ctx *);
2350 void	tty_cmd_setselection(struct tty *, const struct tty_ctx *);
2351 void	tty_cmd_rawstring(struct tty *, const struct tty_ctx *);
2352 void	tty_cmd_syncstart(struct tty *, const struct tty_ctx *);
2353 void	tty_default_colours(struct grid_cell *, struct window_pane *);
2354 
2355 /* tty-term.c */
2356 extern struct tty_terms tty_terms;
2357 u_int		 tty_term_ncodes(void);
2358 void		 tty_term_apply(struct tty_term *, const char *, int);
2359 void		 tty_term_apply_overrides(struct tty_term *);
2360 struct tty_term *tty_term_create(struct tty *, char *, char **, u_int, int *,
2361 		     char **);
2362 void		 tty_term_free(struct tty_term *);
2363 int		 tty_term_read_list(const char *, int, char ***, u_int *,
2364 		     char **);
2365 void		 tty_term_free_list(char **, u_int);
2366 int		 tty_term_has(struct tty_term *, enum tty_code_code);
2367 const char	*tty_term_string(struct tty_term *, enum tty_code_code);
2368 const char	*tty_term_string_i(struct tty_term *, enum tty_code_code, int);
2369 const char	*tty_term_string_ii(struct tty_term *, enum tty_code_code, int,
2370 		     int);
2371 const char	*tty_term_string_iii(struct tty_term *, enum tty_code_code, int,
2372 		     int, int);
2373 const char	*tty_term_string_s(struct tty_term *, enum tty_code_code,
2374 		     const char *);
2375 const char	*tty_term_string_ss(struct tty_term *, enum tty_code_code,
2376 		     const char *, const char *);
2377 int		 tty_term_number(struct tty_term *, enum tty_code_code);
2378 int		 tty_term_flag(struct tty_term *, enum tty_code_code);
2379 const char	*tty_term_describe(struct tty_term *, enum tty_code_code);
2380 
2381 /* tty-features.c */
2382 void		 tty_add_features(int *, const char *, const char *);
2383 const char	*tty_get_features(int);
2384 int		 tty_apply_features(struct tty_term *, int);
2385 void		 tty_default_features(int *, const char *, u_int);
2386 
2387 /* tty-acs.c */
2388 int		 tty_acs_needed(struct tty *);
2389 const char	*tty_acs_get(struct tty *, u_char);
2390 int		 tty_acs_reverse_get(struct tty *, const char *, size_t);
2391 const struct utf8_data *tty_acs_double_borders(int);
2392 const struct utf8_data *tty_acs_heavy_borders(int);
2393 const struct utf8_data *tty_acs_rounded_borders(int);
2394 
2395 /* tty-keys.c */
2396 void		tty_keys_build(struct tty *);
2397 void		tty_keys_free(struct tty *);
2398 int		tty_keys_next(struct tty *);
2399 
2400 /* arguments.c */
2401 void		 args_set(struct args *, u_char, struct args_value *, int);
2402 struct args 	*args_create(void);
2403 struct args	*args_parse(const struct args_parse *, struct args_value *,
2404 		     u_int, char **);
2405 struct args	*args_copy(struct args *, int, char **);
2406 void		 args_to_vector(struct args *, int *, char ***);
2407 struct args_value *args_from_vector(int, char **);
2408 void		 args_free_value(struct args_value *);
2409 void		 args_free_values(struct args_value *, u_int);
2410 void		 args_free(struct args *);
2411 char		*args_print(struct args *);
2412 char		*args_escape(const char *);
2413 int		 args_has(struct args *, u_char);
2414 const char	*args_get(struct args *, u_char);
2415 u_char		 args_first(struct args *, struct args_entry **);
2416 u_char		 args_next(struct args_entry **);
2417 u_int		 args_count(struct args *);
2418 struct args_value *args_values(struct args *);
2419 struct args_value *args_value(struct args *, u_int);
2420 const char	*args_string(struct args *, u_int);
2421 struct cmd_list	*args_make_commands_now(struct cmd *, struct cmdq_item *,
2422 		     u_int, int);
2423 struct args_command_state *args_make_commands_prepare(struct cmd *,
2424 		     struct cmdq_item *, u_int, const char *, int, int);
2425 struct cmd_list *args_make_commands(struct args_command_state *, int, char **,
2426 		     char **);
2427 void		 args_make_commands_free(struct args_command_state *);
2428 char		*args_make_commands_get_command(struct args_command_state *);
2429 struct args_value *args_first_value(struct args *, u_char);
2430 struct args_value *args_next_value(struct args_value *);
2431 long long	 args_strtonum(struct args *, u_char, long long, long long,
2432 		     char **);
2433 long long	 args_strtonum_and_expand(struct args *, u_char, long long,
2434 		     long long, struct cmdq_item *, char **);
2435 long long	 args_percentage(struct args *, u_char, long long,
2436 		     long long, long long, char **);
2437 long long	 args_string_percentage(const char *, long long, long long,
2438 		     long long, char **);
2439 long long	 args_percentage_and_expand(struct args *, u_char, long long,
2440 		     long long, long long, struct cmdq_item *, char **);
2441 long long	 args_string_percentage_and_expand(const char *, long long,
2442 		     long long, long long, struct cmdq_item *, char **);
2443 
2444 /* cmd-find.c */
2445 int		 cmd_find_target(struct cmd_find_state *, struct cmdq_item *,
2446 		     const char *, enum cmd_find_type, int);
2447 struct client	*cmd_find_best_client(struct session *);
2448 struct client	*cmd_find_client(struct cmdq_item *, const char *, int);
2449 void		 cmd_find_clear_state(struct cmd_find_state *, int);
2450 int		 cmd_find_empty_state(struct cmd_find_state *);
2451 int		 cmd_find_valid_state(struct cmd_find_state *);
2452 void		 cmd_find_copy_state(struct cmd_find_state *,
2453 		     struct cmd_find_state *);
2454 void		 cmd_find_from_session(struct cmd_find_state *,
2455 		     struct session *, int);
2456 void		 cmd_find_from_winlink(struct cmd_find_state *,
2457 		     struct winlink *, int);
2458 int		 cmd_find_from_session_window(struct cmd_find_state *,
2459 		     struct session *, struct window *, int);
2460 int		 cmd_find_from_window(struct cmd_find_state *, struct window *,
2461 		     int);
2462 void		 cmd_find_from_winlink_pane(struct cmd_find_state *,
2463 		     struct winlink *, struct window_pane *, int);
2464 int		 cmd_find_from_pane(struct cmd_find_state *,
2465 		     struct window_pane *, int);
2466 int		 cmd_find_from_client(struct cmd_find_state *, struct client *,
2467 		     int);
2468 int		 cmd_find_from_mouse(struct cmd_find_state *,
2469 		     struct mouse_event *, int);
2470 int		 cmd_find_from_nothing(struct cmd_find_state *, int);
2471 
2472 /* cmd.c */
2473 extern const struct cmd_entry *cmd_table[];
2474 void printflike(3, 4) cmd_log_argv(int, char **, const char *, ...);
2475 void		 cmd_prepend_argv(int *, char ***, const char *);
2476 void		 cmd_append_argv(int *, char ***, const char *);
2477 int		 cmd_pack_argv(int, char **, char *, size_t);
2478 int		 cmd_unpack_argv(char *, size_t, int, char ***);
2479 char	       **cmd_copy_argv(int, char **);
2480 void		 cmd_free_argv(int, char **);
2481 char		*cmd_stringify_argv(int, char **);
2482 char		*cmd_get_alias(const char *);
2483 const struct cmd_entry *cmd_get_entry(struct cmd *);
2484 struct args	*cmd_get_args(struct cmd *);
2485 u_int		 cmd_get_group(struct cmd *);
2486 void		 cmd_get_source(struct cmd *, const char **, u_int *);
2487 struct cmd	*cmd_parse(struct args_value *, u_int, const char *, u_int,
2488 		     char **);
2489 struct cmd	*cmd_copy(struct cmd *, int, char **);
2490 void		 cmd_free(struct cmd *);
2491 char		*cmd_print(struct cmd *);
2492 struct cmd_list	*cmd_list_new(void);
2493 struct cmd_list	*cmd_list_copy(struct cmd_list *, int, char **);
2494 void		 cmd_list_append(struct cmd_list *, struct cmd *);
2495 void		 cmd_list_append_all(struct cmd_list *, struct cmd_list *);
2496 void		 cmd_list_move(struct cmd_list *, struct cmd_list *);
2497 void		 cmd_list_free(struct cmd_list *);
2498 char		*cmd_list_print(struct cmd_list *, int);
2499 struct cmd	*cmd_list_first(struct cmd_list *);
2500 struct cmd	*cmd_list_next(struct cmd *);
2501 int		 cmd_list_all_have(struct cmd_list *, int);
2502 int		 cmd_list_any_have(struct cmd_list *, int);
2503 int		 cmd_mouse_at(struct window_pane *, struct mouse_event *,
2504 		     u_int *, u_int *, int);
2505 struct winlink	*cmd_mouse_window(struct mouse_event *, struct session **);
2506 struct window_pane *cmd_mouse_pane(struct mouse_event *, struct session **,
2507 		     struct winlink **);
2508 char		*cmd_template_replace(const char *, const char *, int);
2509 
2510 /* cmd-attach-session.c */
2511 enum cmd_retval	 cmd_attach_session(struct cmdq_item *, const char *, int, int,
2512 		     int, const char *, int, const char *);
2513 
2514 /* cmd-parse.c */
2515 void		 cmd_parse_empty(struct cmd_parse_input *);
2516 struct cmd_parse_result *cmd_parse_from_file(FILE *, struct cmd_parse_input *);
2517 struct cmd_parse_result *cmd_parse_from_string(const char *,
2518 		     struct cmd_parse_input *);
2519 enum cmd_parse_status cmd_parse_and_insert(const char *,
2520 		     struct cmd_parse_input *, struct cmdq_item *,
2521 		     struct cmdq_state *, char **);
2522 enum cmd_parse_status cmd_parse_and_append(const char *,
2523 		     struct cmd_parse_input *, struct client *,
2524 		     struct cmdq_state *, char **);
2525 struct cmd_parse_result *cmd_parse_from_buffer(const void *, size_t,
2526 		     struct cmd_parse_input *);
2527 struct cmd_parse_result *cmd_parse_from_arguments(struct args_value *, u_int,
2528 		     struct cmd_parse_input *);
2529 
2530 /* cmd-queue.c */
2531 struct cmdq_state *cmdq_new_state(struct cmd_find_state *, struct key_event *,
2532 		     int);
2533 struct cmdq_state *cmdq_link_state(struct cmdq_state *);
2534 struct cmdq_state *cmdq_copy_state(struct cmdq_state *);
2535 void		  cmdq_free_state(struct cmdq_state *);
2536 void printflike(3, 4) cmdq_add_format(struct cmdq_state *, const char *,
2537 		     const char *, ...);
2538 void		  cmdq_add_formats(struct cmdq_state *, struct format_tree *);
2539 void		  cmdq_merge_formats(struct cmdq_item *, struct format_tree *);
2540 struct cmdq_list *cmdq_new(void);
2541 void cmdq_free(struct cmdq_list *);
2542 const char	 *cmdq_get_name(struct cmdq_item *);
2543 struct client	 *cmdq_get_client(struct cmdq_item *);
2544 struct client	 *cmdq_get_target_client(struct cmdq_item *);
2545 struct cmdq_state *cmdq_get_state(struct cmdq_item *);
2546 struct cmd_find_state *cmdq_get_target(struct cmdq_item *);
2547 struct cmd_find_state *cmdq_get_source(struct cmdq_item *);
2548 struct key_event *cmdq_get_event(struct cmdq_item *);
2549 struct cmd_find_state *cmdq_get_current(struct cmdq_item *);
2550 int		  cmdq_get_flags(struct cmdq_item *);
2551 struct cmdq_item *cmdq_get_command(struct cmd_list *, struct cmdq_state *);
2552 #define cmdq_get_callback(cb, data) cmdq_get_callback1(#cb, cb, data)
2553 struct cmdq_item *cmdq_get_callback1(const char *, cmdq_cb, void *);
2554 struct cmdq_item *cmdq_get_error(const char *);
2555 struct cmdq_item *cmdq_insert_after(struct cmdq_item *, struct cmdq_item *);
2556 struct cmdq_item *cmdq_append(struct client *, struct cmdq_item *);
2557 void printflike(4, 5) cmdq_insert_hook(struct session *, struct cmdq_item *,
2558 		     struct cmd_find_state *, const char *, ...);
2559 void		 cmdq_continue(struct cmdq_item *);
2560 u_int		 cmdq_next(struct client *);
2561 struct cmdq_item *cmdq_running(struct client *);
2562 void		 cmdq_guard(struct cmdq_item *, const char *, int);
2563 void printflike(2, 3) cmdq_print(struct cmdq_item *, const char *, ...);
2564 void 		 cmdq_print_data(struct cmdq_item *, int, struct evbuffer *);
2565 void printflike(2, 3) cmdq_error(struct cmdq_item *, const char *, ...);
2566 
2567 /* cmd-wait-for.c */
2568 void	cmd_wait_for_flush(void);
2569 
2570 /* client.c */
2571 int	client_main(struct event_base *, int, char **, uint64_t, int);
2572 
2573 /* key-bindings.c */
2574 struct key_table *key_bindings_get_table(const char *, int);
2575 struct key_table *key_bindings_first_table(void);
2576 struct key_table *key_bindings_next_table(struct key_table *);
2577 void	 key_bindings_unref_table(struct key_table *);
2578 struct key_binding *key_bindings_get(struct key_table *, key_code);
2579 struct key_binding *key_bindings_get_default(struct key_table *, key_code);
2580 struct key_binding *key_bindings_first(struct key_table *);
2581 struct key_binding *key_bindings_next(struct key_table *, struct key_binding *);
2582 void	 key_bindings_add(const char *, key_code, const char *, int,
2583 	     struct cmd_list *);
2584 void	 key_bindings_remove(const char *, key_code);
2585 void	 key_bindings_reset(const char *, key_code);
2586 void	 key_bindings_remove_table(const char *);
2587 void	 key_bindings_reset_table(const char *);
2588 void	 key_bindings_init(void);
2589 struct cmdq_item *key_bindings_dispatch(struct key_binding *,
2590 	     struct cmdq_item *, struct client *, struct key_event *,
2591 	     struct cmd_find_state *);
2592 
2593 /* key-string.c */
2594 key_code	 key_string_lookup_string(const char *);
2595 const char	*key_string_lookup_key(key_code, int);
2596 
2597 /* alerts.c */
2598 void	alerts_reset_all(void);
2599 void	alerts_queue(struct window *, int);
2600 void	alerts_check_session(struct session *);
2601 
2602 /* file.c */
2603 int	 file_cmp(struct client_file *, struct client_file *);
2604 RB_PROTOTYPE(client_files, client_file, entry, file_cmp);
2605 struct client_file *file_create_with_peer(struct tmuxpeer *,
2606 	    struct client_files *, int, client_file_cb, void *);
2607 struct client_file *file_create_with_client(struct client *, int,
2608 	    client_file_cb, void *);
2609 void	 file_free(struct client_file *);
2610 void	 file_fire_done(struct client_file *);
2611 void	 file_fire_read(struct client_file *);
2612 int	 file_can_print(struct client *);
2613 void printflike(2, 3) file_print(struct client *, const char *, ...);
2614 void printflike(2, 0) file_vprint(struct client *, const char *, va_list);
2615 void	 file_print_buffer(struct client *, void *, size_t);
2616 void printflike(2, 3) file_error(struct client *, const char *, ...);
2617 void	 file_write(struct client *, const char *, int, const void *, size_t,
2618 	     client_file_cb, void *);
2619 struct client_file *file_read(struct client *, const char *, client_file_cb,
2620 	     void *);
2621 void	 file_cancel(struct client_file *);
2622 void	 file_push(struct client_file *);
2623 int	 file_write_left(struct client_files *);
2624 void	 file_write_open(struct client_files *, struct tmuxpeer *,
2625 	     struct imsg *, int, int, client_file_cb, void *);
2626 void	 file_write_data(struct client_files *, struct imsg *);
2627 void	 file_write_close(struct client_files *, struct imsg *);
2628 void	 file_read_open(struct client_files *, struct tmuxpeer *, struct imsg *,
2629 	     int, int, client_file_cb, void *);
2630 void	 file_write_ready(struct client_files *, struct imsg *);
2631 void	 file_read_data(struct client_files *, struct imsg *);
2632 void	 file_read_done(struct client_files *, struct imsg *);
2633 void	 file_read_cancel(struct client_files *, struct imsg *);
2634 
2635 /* server.c */
2636 extern struct tmuxproc *server_proc;
2637 extern struct clients clients;
2638 extern struct cmd_find_state marked_pane;
2639 extern struct message_list message_log;
2640 extern time_t current_time;
2641 void	 server_set_marked(struct session *, struct winlink *,
2642 	     struct window_pane *);
2643 void	 server_clear_marked(void);
2644 int	 server_is_marked(struct session *, struct winlink *,
2645 	     struct window_pane *);
2646 int	 server_check_marked(void);
2647 int	 server_start(struct tmuxproc *, int, struct event_base *, int, char *);
2648 void	 server_update_socket(void);
2649 void	 server_add_accept(int);
2650 void printflike(1, 2) server_add_message(const char *, ...);
2651 
2652 /* server-client.c */
2653 RB_PROTOTYPE(client_windows, client_window, entry, server_client_window_cmp);
2654 u_int	 server_client_how_many(void);
2655 void	 server_client_set_overlay(struct client *, u_int, overlay_check_cb,
2656 	     overlay_mode_cb, overlay_draw_cb, overlay_key_cb,
2657 	     overlay_free_cb, overlay_resize_cb, void *);
2658 void	 server_client_clear_overlay(struct client *);
2659 void	 server_client_overlay_range(u_int, u_int, u_int, u_int, u_int, u_int,
2660 	     u_int, struct overlay_ranges *);
2661 void	 server_client_set_key_table(struct client *, const char *);
2662 const char *server_client_get_key_table(struct client *);
2663 int	 server_client_check_nested(struct client *);
2664 int	 server_client_handle_key(struct client *, struct key_event *);
2665 struct client *server_client_create(int);
2666 int	 server_client_open(struct client *, char **);
2667 void	 server_client_unref(struct client *);
2668 void	 server_client_set_session(struct client *, struct session *);
2669 void	 server_client_lost(struct client *);
2670 void	 server_client_suspend(struct client *);
2671 void	 server_client_detach(struct client *, enum msgtype);
2672 void	 server_client_exec(struct client *, const char *);
2673 void	 server_client_loop(void);
2674 void	 server_client_push_stdout(struct client *);
2675 void	 server_client_push_stderr(struct client *);
2676 const char *server_client_get_cwd(struct client *, struct session *);
2677 void	 server_client_set_flags(struct client *, const char *);
2678 const char *server_client_get_flags(struct client *);
2679 struct client_window *server_client_get_client_window(struct client *, u_int);
2680 struct client_window *server_client_add_client_window(struct client *, u_int);
2681 struct window_pane *server_client_get_pane(struct client *);
2682 void	 server_client_set_pane(struct client *, struct window_pane *);
2683 void	 server_client_remove_pane(struct window_pane *);
2684 void	 server_client_print(struct client *, int, struct evbuffer *);
2685 
2686 /* server-fn.c */
2687 void	 server_redraw_client(struct client *);
2688 void	 server_status_client(struct client *);
2689 void	 server_redraw_session(struct session *);
2690 void	 server_redraw_session_group(struct session *);
2691 void	 server_status_session(struct session *);
2692 void	 server_status_session_group(struct session *);
2693 void	 server_redraw_window(struct window *);
2694 void	 server_redraw_window_borders(struct window *);
2695 void	 server_status_window(struct window *);
2696 void	 server_lock(void);
2697 void	 server_lock_session(struct session *);
2698 void	 server_lock_client(struct client *);
2699 void	 server_kill_pane(struct window_pane *);
2700 void	 server_kill_window(struct window *, int);
2701 void	 server_renumber_session(struct session *);
2702 void	 server_renumber_all(void);
2703 int	 server_link_window(struct session *,
2704 	     struct winlink *, struct session *, int, int, int, char **);
2705 void	 server_unlink_window(struct session *, struct winlink *);
2706 void	 server_destroy_pane(struct window_pane *, int);
2707 void	 server_destroy_session(struct session *);
2708 void	 server_check_unattached(void);
2709 void	 server_unzoom_window(struct window *);
2710 
2711 /* status.c */
2712 extern char	**status_prompt_hlist[];
2713 extern u_int	  status_prompt_hsize[];
2714 void	 status_timer_start(struct client *);
2715 void	 status_timer_start_all(void);
2716 void	 status_update_cache(struct session *);
2717 int	 status_at_line(struct client *);
2718 u_int	 status_line_size(struct client *);
2719 struct style_range *status_get_range(struct client *, u_int, u_int);
2720 void	 status_init(struct client *);
2721 void	 status_free(struct client *);
2722 int	 status_redraw(struct client *);
2723 void printflike(5, 6) status_message_set(struct client *, int, int, int,
2724 	     const char *, ...);
2725 void	 status_message_clear(struct client *);
2726 int	 status_message_redraw(struct client *);
2727 void	 status_prompt_set(struct client *, struct cmd_find_state *,
2728 	     const char *, const char *, prompt_input_cb, prompt_free_cb,
2729 	     void *, int, enum prompt_type);
2730 void	 status_prompt_clear(struct client *);
2731 int	 status_prompt_redraw(struct client *);
2732 int	 status_prompt_key(struct client *, key_code);
2733 void	 status_prompt_update(struct client *, const char *, const char *);
2734 void	 status_prompt_load_history(void);
2735 void	 status_prompt_save_history(void);
2736 const char *status_prompt_type_string(u_int);
2737 enum prompt_type status_prompt_type(const char *type);
2738 
2739 /* resize.c */
2740 void	 resize_window(struct window *, u_int, u_int, int, int);
2741 void	 default_window_size(struct client *, struct session *, struct window *,
2742 	     u_int *, u_int *, u_int *, u_int *, int);
2743 void	 recalculate_size(struct window *, int);
2744 void	 recalculate_sizes(void);
2745 void	 recalculate_sizes_now(int);
2746 
2747 /* input.c */
2748 struct input_ctx *input_init(struct window_pane *, struct bufferevent *,
2749 	     struct colour_palette *);
2750 void	 input_free(struct input_ctx *);
2751 void	 input_reset(struct input_ctx *, int);
2752 struct evbuffer *input_pending(struct input_ctx *);
2753 void	 input_parse_pane(struct window_pane *);
2754 void	 input_parse_buffer(struct window_pane *, u_char *, size_t);
2755 void	 input_parse_screen(struct input_ctx *, struct screen *,
2756 	     screen_write_init_ctx_cb, void *, u_char *, size_t);
2757 void	 input_reply_clipboard(struct bufferevent *, const char *, size_t,
2758 	     const char *);
2759 
2760 /* input-key.c */
2761 void	 input_key_build(void);
2762 int	 input_key_pane(struct window_pane *, key_code, struct mouse_event *);
2763 int	 input_key(struct screen *, struct bufferevent *, key_code);
2764 int	 input_key_get_mouse(struct screen *, struct mouse_event *, u_int,
2765 	     u_int, const char **, size_t *);
2766 
2767 /* colour.c */
2768 int	 colour_find_rgb(u_char, u_char, u_char);
2769 int	 colour_join_rgb(u_char, u_char, u_char);
2770 void	 colour_split_rgb(int, u_char *, u_char *, u_char *);
2771 int	 colour_force_rgb(int);
2772 const char *colour_tostring(int);
2773 int	 colour_fromstring(const char *s);
2774 int	 colour_256toRGB(int);
2775 int	 colour_256to16(int);
2776 int	 colour_byname(const char *);
2777 int	 colour_parseX11(const char *);
2778 void	 colour_palette_init(struct colour_palette *);
2779 void	 colour_palette_clear(struct colour_palette *);
2780 void	 colour_palette_free(struct colour_palette *);
2781 int	 colour_palette_get(struct colour_palette *, int);
2782 int	 colour_palette_set(struct colour_palette *, int, int);
2783 void	 colour_palette_from_option(struct colour_palette *, struct options *);
2784 
2785 /* attributes.c */
2786 const char *attributes_tostring(int);
2787 int	 attributes_fromstring(const char *);
2788 
2789 /* grid.c */
2790 extern const struct grid_cell grid_default_cell;
2791 void	 grid_empty_line(struct grid *, u_int, u_int);
2792 int	 grid_cells_equal(const struct grid_cell *, const struct grid_cell *);
2793 int	 grid_cells_look_equal(const struct grid_cell *,
2794 	     const struct grid_cell *);
2795 struct grid *grid_create(u_int, u_int, u_int);
2796 void	 grid_destroy(struct grid *);
2797 int	 grid_compare(struct grid *, struct grid *);
2798 void	 grid_collect_history(struct grid *);
2799 void	 grid_remove_history(struct grid *, u_int );
2800 void	 grid_scroll_history(struct grid *, u_int);
2801 void	 grid_scroll_history_region(struct grid *, u_int, u_int, u_int);
2802 void	 grid_clear_history(struct grid *);
2803 const struct grid_line *grid_peek_line(struct grid *, u_int);
2804 void	 grid_get_cell(struct grid *, u_int, u_int, struct grid_cell *);
2805 void	 grid_set_cell(struct grid *, u_int, u_int, const struct grid_cell *);
2806 void	 grid_set_padding(struct grid *, u_int, u_int);
2807 void	 grid_set_cells(struct grid *, u_int, u_int, const struct grid_cell *,
2808 	     const char *, size_t);
2809 struct grid_line *grid_get_line(struct grid *, u_int);
2810 void	 grid_adjust_lines(struct grid *, u_int);
2811 void	 grid_clear(struct grid *, u_int, u_int, u_int, u_int, u_int);
2812 void	 grid_clear_lines(struct grid *, u_int, u_int, u_int);
2813 void	 grid_move_lines(struct grid *, u_int, u_int, u_int, u_int);
2814 void	 grid_move_cells(struct grid *, u_int, u_int, u_int, u_int, u_int);
2815 char	*grid_string_cells(struct grid *, u_int, u_int, u_int,
2816 	     struct grid_cell **, int, struct screen *);
2817 void	 grid_duplicate_lines(struct grid *, u_int, struct grid *, u_int,
2818 	     u_int);
2819 void	 grid_reflow(struct grid *, u_int);
2820 void	 grid_wrap_position(struct grid *, u_int, u_int, u_int *, u_int *);
2821 void	 grid_unwrap_position(struct grid *, u_int *, u_int *, u_int, u_int);
2822 u_int	 grid_line_length(struct grid *, u_int);
2823 
2824 /* grid-reader.c */
2825 void	 grid_reader_start(struct grid_reader *, struct grid *, u_int, u_int);
2826 void	 grid_reader_get_cursor(struct grid_reader *, u_int *, u_int *);
2827 u_int	 grid_reader_line_length(struct grid_reader *);
2828 int	 grid_reader_in_set(struct grid_reader *, const char *);
2829 void	 grid_reader_cursor_right(struct grid_reader *, int, int);
2830 void	 grid_reader_cursor_left(struct grid_reader *, int);
2831 void	 grid_reader_cursor_down(struct grid_reader *);
2832 void	 grid_reader_cursor_up(struct grid_reader *);
2833 void	 grid_reader_cursor_start_of_line(struct grid_reader *, int);
2834 void	 grid_reader_cursor_end_of_line(struct grid_reader *, int, int);
2835 void	 grid_reader_cursor_next_word(struct grid_reader *, const char *);
2836 void	 grid_reader_cursor_next_word_end(struct grid_reader *, const char *);
2837 void	 grid_reader_cursor_previous_word(struct grid_reader *, const char *,
2838 	     int, int);
2839 int	 grid_reader_cursor_jump(struct grid_reader *,
2840 	     const struct utf8_data *);
2841 int	 grid_reader_cursor_jump_back(struct grid_reader *,
2842 	     const struct utf8_data *);
2843 void	 grid_reader_cursor_back_to_indentation(struct grid_reader *);
2844 
2845 /* grid-view.c */
2846 void	 grid_view_get_cell(struct grid *, u_int, u_int, struct grid_cell *);
2847 void	 grid_view_set_cell(struct grid *, u_int, u_int,
2848 	     const struct grid_cell *);
2849 void	 grid_view_set_padding(struct grid *, u_int, u_int);
2850 void	 grid_view_set_cells(struct grid *, u_int, u_int,
2851 	     const struct grid_cell *, const char *, size_t);
2852 void	 grid_view_clear_history(struct grid *, u_int);
2853 void	 grid_view_clear(struct grid *, u_int, u_int, u_int, u_int, u_int);
2854 void	 grid_view_scroll_region_up(struct grid *, u_int, u_int, u_int);
2855 void	 grid_view_scroll_region_down(struct grid *, u_int, u_int, u_int);
2856 void	 grid_view_insert_lines(struct grid *, u_int, u_int, u_int);
2857 void	 grid_view_insert_lines_region(struct grid *, u_int, u_int, u_int,
2858 	     u_int);
2859 void	 grid_view_delete_lines(struct grid *, u_int, u_int, u_int);
2860 void	 grid_view_delete_lines_region(struct grid *, u_int, u_int, u_int,
2861 	     u_int);
2862 void	 grid_view_insert_cells(struct grid *, u_int, u_int, u_int, u_int);
2863 void	 grid_view_delete_cells(struct grid *, u_int, u_int, u_int, u_int);
2864 char	*grid_view_string_cells(struct grid *, u_int, u_int, u_int);
2865 
2866 /* screen-write.c */
2867 void	 screen_write_make_list(struct screen *);
2868 void	 screen_write_free_list(struct screen *);
2869 void	 screen_write_start_pane(struct screen_write_ctx *,
2870 	     struct window_pane *, struct screen *);
2871 void	 screen_write_start(struct screen_write_ctx *, struct screen *);
2872 void	 screen_write_start_callback(struct screen_write_ctx *, struct screen *,
2873 	     screen_write_init_ctx_cb, void *);
2874 void	 screen_write_stop(struct screen_write_ctx *);
2875 void	 screen_write_reset(struct screen_write_ctx *);
2876 size_t printflike(1, 2) screen_write_strlen(const char *, ...);
2877 int printflike(7, 8) screen_write_text(struct screen_write_ctx *, u_int, u_int,
2878 	     u_int, int, const struct grid_cell *, const char *, ...);
2879 void printflike(3, 4) screen_write_puts(struct screen_write_ctx *,
2880 	     const struct grid_cell *, const char *, ...);
2881 void printflike(4, 5) screen_write_nputs(struct screen_write_ctx *,
2882 	     ssize_t, const struct grid_cell *, const char *, ...);
2883 void printflike(4, 0) screen_write_vnputs(struct screen_write_ctx *, ssize_t,
2884 	     const struct grid_cell *, const char *, va_list);
2885 void	 screen_write_putc(struct screen_write_ctx *, const struct grid_cell *,
2886 	     u_char);
2887 void	 screen_write_fast_copy(struct screen_write_ctx *, struct screen *,
2888 	     u_int, u_int, u_int, u_int);
2889 void	 screen_write_hline(struct screen_write_ctx *, u_int, int, int);
2890 void	 screen_write_vline(struct screen_write_ctx *, u_int, int, int);
2891 void	 screen_write_menu(struct screen_write_ctx *, struct menu *, int,
2892 	     const struct grid_cell *);
2893 void	 screen_write_box(struct screen_write_ctx *, u_int, u_int,
2894              enum box_lines, const struct grid_cell *, const char *);
2895 void	 screen_write_preview(struct screen_write_ctx *, struct screen *, u_int,
2896 	     u_int);
2897 void	 screen_write_backspace(struct screen_write_ctx *);
2898 void	 screen_write_mode_set(struct screen_write_ctx *, int);
2899 void	 screen_write_mode_clear(struct screen_write_ctx *, int);
2900 void	 screen_write_cursorup(struct screen_write_ctx *, u_int);
2901 void	 screen_write_cursordown(struct screen_write_ctx *, u_int);
2902 void	 screen_write_cursorright(struct screen_write_ctx *, u_int);
2903 void	 screen_write_cursorleft(struct screen_write_ctx *, u_int);
2904 void	 screen_write_alignmenttest(struct screen_write_ctx *);
2905 void	 screen_write_insertcharacter(struct screen_write_ctx *, u_int, u_int);
2906 void	 screen_write_deletecharacter(struct screen_write_ctx *, u_int, u_int);
2907 void	 screen_write_clearcharacter(struct screen_write_ctx *, u_int, u_int);
2908 void	 screen_write_insertline(struct screen_write_ctx *, u_int, u_int);
2909 void	 screen_write_deleteline(struct screen_write_ctx *, u_int, u_int);
2910 void	 screen_write_clearline(struct screen_write_ctx *, u_int);
2911 void	 screen_write_clearendofline(struct screen_write_ctx *, u_int);
2912 void	 screen_write_clearstartofline(struct screen_write_ctx *, u_int);
2913 void	 screen_write_cursormove(struct screen_write_ctx *, int, int, int);
2914 void	 screen_write_reverseindex(struct screen_write_ctx *, u_int);
2915 void	 screen_write_scrollregion(struct screen_write_ctx *, u_int, u_int);
2916 void	 screen_write_linefeed(struct screen_write_ctx *, int, u_int);
2917 void	 screen_write_scrollup(struct screen_write_ctx *, u_int, u_int);
2918 void	 screen_write_scrolldown(struct screen_write_ctx *, u_int, u_int);
2919 void	 screen_write_carriagereturn(struct screen_write_ctx *);
2920 void	 screen_write_clearendofscreen(struct screen_write_ctx *, u_int);
2921 void	 screen_write_clearstartofscreen(struct screen_write_ctx *, u_int);
2922 void	 screen_write_clearscreen(struct screen_write_ctx *, u_int);
2923 void	 screen_write_clearhistory(struct screen_write_ctx *);
2924 void	 screen_write_fullredraw(struct screen_write_ctx *);
2925 void	 screen_write_collect_end(struct screen_write_ctx *);
2926 void	 screen_write_collect_add(struct screen_write_ctx *,
2927 	     const struct grid_cell *);
2928 void	 screen_write_cell(struct screen_write_ctx *, const struct grid_cell *);
2929 void	 screen_write_setselection(struct screen_write_ctx *, const char *,
2930 	     u_char *, u_int);
2931 void	 screen_write_rawstring(struct screen_write_ctx *, u_char *, u_int,
2932 	     int);
2933 void	 screen_write_alternateon(struct screen_write_ctx *,
2934 	     struct grid_cell *, int);
2935 void	 screen_write_alternateoff(struct screen_write_ctx *,
2936 	     struct grid_cell *, int);
2937 
2938 /* screen-redraw.c */
2939 void	 screen_redraw_screen(struct client *);
2940 void	 screen_redraw_pane(struct client *, struct window_pane *);
2941 
2942 /* screen.c */
2943 void	 screen_init(struct screen *, u_int, u_int, u_int);
2944 void	 screen_reinit(struct screen *);
2945 void	 screen_free(struct screen *);
2946 void	 screen_reset_tabs(struct screen *);
2947 void	 screen_reset_hyperlinks(struct screen *);
2948 void	 screen_set_cursor_style(u_int, enum screen_cursor_style *, int *);
2949 void	 screen_set_cursor_colour(struct screen *, int);
2950 int	 screen_set_title(struct screen *, const char *);
2951 void	 screen_set_path(struct screen *, const char *);
2952 void	 screen_push_title(struct screen *);
2953 void	 screen_pop_title(struct screen *);
2954 void	 screen_resize(struct screen *, u_int, u_int, int);
2955 void	 screen_resize_cursor(struct screen *, u_int, u_int, int, int, int);
2956 void	 screen_set_selection(struct screen *, u_int, u_int, u_int, u_int,
2957 	     u_int, int, struct grid_cell *);
2958 void	 screen_clear_selection(struct screen *);
2959 void	 screen_hide_selection(struct screen *);
2960 int	 screen_check_selection(struct screen *, u_int, u_int);
2961 void	 screen_select_cell(struct screen *, struct grid_cell *,
2962 	     const struct grid_cell *);
2963 void	 screen_alternate_on(struct screen *, struct grid_cell *, int);
2964 void	 screen_alternate_off(struct screen *, struct grid_cell *, int);
2965 const char *screen_mode_to_string(int);
2966 
2967 /* window.c */
2968 extern struct windows windows;
2969 extern struct window_pane_tree all_window_panes;
2970 int		 window_cmp(struct window *, struct window *);
2971 RB_PROTOTYPE(windows, window, entry, window_cmp);
2972 int		 winlink_cmp(struct winlink *, struct winlink *);
2973 RB_PROTOTYPE(winlinks, winlink, entry, winlink_cmp);
2974 int		 window_pane_cmp(struct window_pane *, struct window_pane *);
2975 RB_PROTOTYPE(window_pane_tree, window_pane, tree_entry, window_pane_cmp);
2976 struct winlink	*winlink_find_by_index(struct winlinks *, int);
2977 struct winlink	*winlink_find_by_window(struct winlinks *, struct window *);
2978 struct winlink	*winlink_find_by_window_id(struct winlinks *, u_int);
2979 u_int		 winlink_count(struct winlinks *);
2980 struct winlink	*winlink_add(struct winlinks *, int);
2981 void		 winlink_set_window(struct winlink *, struct window *);
2982 void		 winlink_remove(struct winlinks *, struct winlink *);
2983 struct winlink	*winlink_next(struct winlink *);
2984 struct winlink	*winlink_previous(struct winlink *);
2985 struct winlink	*winlink_next_by_number(struct winlink *, struct session *,
2986 		     int);
2987 struct winlink	*winlink_previous_by_number(struct winlink *, struct session *,
2988 		     int);
2989 void		 winlink_stack_push(struct winlink_stack *, struct winlink *);
2990 void		 winlink_stack_remove(struct winlink_stack *, struct winlink *);
2991 struct window	*window_find_by_id_str(const char *);
2992 struct window	*window_find_by_id(u_int);
2993 void		 window_update_activity(struct window *);
2994 struct window	*window_create(u_int, u_int, u_int, u_int);
2995 void		 window_pane_set_event(struct window_pane *);
2996 struct window_pane *window_get_active_at(struct window *, u_int, u_int);
2997 struct window_pane *window_find_string(struct window *, const char *);
2998 int		 window_has_pane(struct window *, struct window_pane *);
2999 int		 window_set_active_pane(struct window *, struct window_pane *,
3000 		     int);
3001 void		 window_update_focus(struct window *);
3002 void		 window_pane_update_focus(struct window_pane *);
3003 void		 window_redraw_active_switch(struct window *,
3004 		     struct window_pane *);
3005 struct window_pane *window_add_pane(struct window *, struct window_pane *,
3006 		     u_int, int);
3007 void		 window_resize(struct window *, u_int, u_int, int, int);
3008 void		 window_pane_send_resize(struct window_pane *, u_int, u_int);
3009 int		 window_zoom(struct window_pane *);
3010 int		 window_unzoom(struct window *);
3011 int		 window_push_zoom(struct window *, int, int);
3012 int		 window_pop_zoom(struct window *);
3013 void		 window_lost_pane(struct window *, struct window_pane *);
3014 void		 window_remove_pane(struct window *, struct window_pane *);
3015 struct window_pane *window_pane_at_index(struct window *, u_int);
3016 struct window_pane *window_pane_next_by_number(struct window *,
3017 			struct window_pane *, u_int);
3018 struct window_pane *window_pane_previous_by_number(struct window *,
3019 			struct window_pane *, u_int);
3020 int		 window_pane_index(struct window_pane *, u_int *);
3021 u_int		 window_count_panes(struct window *);
3022 void		 window_destroy_panes(struct window *);
3023 struct window_pane *window_pane_find_by_id_str(const char *);
3024 struct window_pane *window_pane_find_by_id(u_int);
3025 int		 window_pane_destroy_ready(struct window_pane *);
3026 void		 window_pane_resize(struct window_pane *, u_int, u_int);
3027 int		 window_pane_set_mode(struct window_pane *,
3028 		     struct window_pane *, const struct window_mode *,
3029 		     struct cmd_find_state *, struct args *);
3030 void		 window_pane_reset_mode(struct window_pane *);
3031 void		 window_pane_reset_mode_all(struct window_pane *);
3032 int		 window_pane_key(struct window_pane *, struct client *,
3033 		     struct session *, struct winlink *, key_code,
3034 		     struct mouse_event *);
3035 int		 window_pane_visible(struct window_pane *);
3036 u_int		 window_pane_search(struct window_pane *, const char *, int,
3037 		     int);
3038 const char	*window_printable_flags(struct winlink *, int);
3039 struct window_pane *window_pane_find_up(struct window_pane *);
3040 struct window_pane *window_pane_find_down(struct window_pane *);
3041 struct window_pane *window_pane_find_left(struct window_pane *);
3042 struct window_pane *window_pane_find_right(struct window_pane *);
3043 void		 window_set_name(struct window *, const char *);
3044 void		 window_add_ref(struct window *, const char *);
3045 void		 window_remove_ref(struct window *, const char *);
3046 void		 winlink_clear_flags(struct winlink *);
3047 int		 winlink_shuffle_up(struct session *, struct winlink *, int);
3048 int		 window_pane_start_input(struct window_pane *,
3049 		     struct cmdq_item *, char **);
3050 void		*window_pane_get_new_data(struct window_pane *,
3051 		     struct window_pane_offset *, size_t *);
3052 void		 window_pane_update_used_data(struct window_pane *,
3053 		     struct window_pane_offset *, size_t);
3054 void		 window_set_fill_character(struct window *);
3055 void		 window_pane_default_cursor(struct window_pane *);
3056 
3057 /* layout.c */
3058 u_int		 layout_count_cells(struct layout_cell *);
3059 struct layout_cell *layout_create_cell(struct layout_cell *);
3060 void		 layout_free_cell(struct layout_cell *);
3061 void		 layout_print_cell(struct layout_cell *, const char *, u_int);
3062 void		 layout_destroy_cell(struct window *, struct layout_cell *,
3063 		     struct layout_cell **);
3064 void		 layout_resize_layout(struct window *, struct layout_cell *,
3065 		     enum layout_type, int, int);
3066 struct layout_cell *layout_search_by_border(struct layout_cell *, u_int, u_int);
3067 void		 layout_set_size(struct layout_cell *, u_int, u_int, u_int,
3068 		     u_int);
3069 void		 layout_make_leaf(struct layout_cell *, struct window_pane *);
3070 void		 layout_make_node(struct layout_cell *, enum layout_type);
3071 void		 layout_fix_offsets(struct window *);
3072 void		 layout_fix_panes(struct window *, struct window_pane *);
3073 void		 layout_resize_adjust(struct window *, struct layout_cell *,
3074 		     enum layout_type, int);
3075 void		 layout_init(struct window *, struct window_pane *);
3076 void		 layout_free(struct window *);
3077 void		 layout_resize(struct window *, u_int, u_int);
3078 void		 layout_resize_pane(struct window_pane *, enum layout_type,
3079 		     int, int);
3080 void		 layout_resize_pane_to(struct window_pane *, enum layout_type,
3081 		     u_int);
3082 void		 layout_assign_pane(struct layout_cell *, struct window_pane *,
3083 		     int);
3084 struct layout_cell *layout_split_pane(struct window_pane *, enum layout_type,
3085 		     int, int);
3086 void		 layout_close_pane(struct window_pane *);
3087 int		 layout_spread_cell(struct window *, struct layout_cell *);
3088 void		 layout_spread_out(struct window_pane *);
3089 
3090 /* layout-custom.c */
3091 char		*layout_dump(struct layout_cell *);
3092 int		 layout_parse(struct window *, const char *, char **);
3093 
3094 /* layout-set.c */
3095 int		 layout_set_lookup(const char *);
3096 u_int		 layout_set_select(struct window *, u_int);
3097 u_int		 layout_set_next(struct window *);
3098 u_int		 layout_set_previous(struct window *);
3099 
3100 /* mode-tree.c */
3101 typedef void (*mode_tree_build_cb)(void *, struct mode_tree_sort_criteria *,
3102 				   uint64_t *, const char *);
3103 typedef void (*mode_tree_draw_cb)(void *, void *, struct screen_write_ctx *,
3104 	     u_int, u_int);
3105 typedef int (*mode_tree_search_cb)(void *, void *, const char *);
3106 typedef void (*mode_tree_menu_cb)(void *, struct client *, key_code);
3107 typedef u_int (*mode_tree_height_cb)(void *, u_int);
3108 typedef key_code (*mode_tree_key_cb)(void *, void *, u_int);
3109 typedef void (*mode_tree_each_cb)(void *, void *, struct client *, key_code);
3110 u_int	 mode_tree_count_tagged(struct mode_tree_data *);
3111 void	*mode_tree_get_current(struct mode_tree_data *);
3112 const char *mode_tree_get_current_name(struct mode_tree_data *);
3113 void	 mode_tree_expand_current(struct mode_tree_data *);
3114 void	 mode_tree_collapse_current(struct mode_tree_data *);
3115 void	 mode_tree_expand(struct mode_tree_data *, uint64_t);
3116 int	 mode_tree_set_current(struct mode_tree_data *, uint64_t);
3117 void	 mode_tree_each_tagged(struct mode_tree_data *, mode_tree_each_cb,
3118 	     struct client *, key_code, int);
3119 void	 mode_tree_up(struct mode_tree_data *, int);
3120 void	 mode_tree_down(struct mode_tree_data *, int);
3121 struct mode_tree_data *mode_tree_start(struct window_pane *, struct args *,
3122 	     mode_tree_build_cb, mode_tree_draw_cb, mode_tree_search_cb,
3123 	     mode_tree_menu_cb, mode_tree_height_cb, mode_tree_key_cb, void *,
3124 	     const struct menu_item *, const char **, u_int, struct screen **);
3125 void	 mode_tree_zoom(struct mode_tree_data *, struct args *);
3126 void	 mode_tree_build(struct mode_tree_data *);
3127 void	 mode_tree_free(struct mode_tree_data *);
3128 void	 mode_tree_resize(struct mode_tree_data *, u_int, u_int);
3129 struct mode_tree_item *mode_tree_add(struct mode_tree_data *,
3130 	     struct mode_tree_item *, void *, uint64_t, const char *,
3131 	     const char *, int);
3132 void	 mode_tree_draw_as_parent(struct mode_tree_item *);
3133 void	 mode_tree_no_tag(struct mode_tree_item *);
3134 void	 mode_tree_remove(struct mode_tree_data *, struct mode_tree_item *);
3135 void	 mode_tree_draw(struct mode_tree_data *);
3136 int	 mode_tree_key(struct mode_tree_data *, struct client *, key_code *,
3137 	     struct mouse_event *, u_int *, u_int *);
3138 void	 mode_tree_run_command(struct client *, struct cmd_find_state *,
3139 	     const char *, const char *);
3140 
3141 /* window-buffer.c */
3142 extern const struct window_mode window_buffer_mode;
3143 
3144 /* window-tree.c */
3145 extern const struct window_mode window_tree_mode;
3146 
3147 /* window-clock.c */
3148 extern const struct window_mode window_clock_mode;
3149 extern const char window_clock_table[14][5][5];
3150 
3151 /* window-client.c */
3152 extern const struct window_mode window_client_mode;
3153 
3154 /* window-copy.c */
3155 extern const struct window_mode window_copy_mode;
3156 extern const struct window_mode window_view_mode;
3157 void printflike(3, 4) window_copy_add(struct window_pane *, int, const char *,
3158 		     ...);
3159 void printflike(3, 0) window_copy_vadd(struct window_pane *, int, const char *,
3160 		     va_list);
3161 void		 window_copy_pageup(struct window_pane *, int);
3162 void		 window_copy_start_drag(struct client *, struct mouse_event *);
3163 char		*window_copy_get_word(struct window_pane *, u_int, u_int);
3164 char		*window_copy_get_line(struct window_pane *, u_int);
3165 
3166 /* window-option.c */
3167 extern const struct window_mode window_customize_mode;
3168 
3169 /* names.c */
3170 void	 check_window_name(struct window *);
3171 char	*default_window_name(struct window *);
3172 char	*parse_window_name(const char *);
3173 
3174 /* control.c */
3175 void	control_discard(struct client *);
3176 void	control_start(struct client *);
3177 void	control_ready(struct client *);
3178 void	control_stop(struct client *);
3179 void	control_set_pane_on(struct client *, struct window_pane *);
3180 void	control_set_pane_off(struct client *, struct window_pane *);
3181 void	control_continue_pane(struct client *, struct window_pane *);
3182 void	control_pause_pane(struct client *, struct window_pane *);
3183 struct window_pane_offset *control_pane_offset(struct client *,
3184 	   struct window_pane *, int *);
3185 void	control_reset_offsets(struct client *);
3186 void printflike(2, 3) control_write(struct client *, const char *, ...);
3187 void	control_write_output(struct client *, struct window_pane *);
3188 int	control_all_done(struct client *);
3189 void	control_add_sub(struct client *, const char *, enum control_sub_type,
3190     	   int, const char *);
3191 void	control_remove_sub(struct client *, const char *);
3192 
3193 /* control-notify.c */
3194 void	control_notify_input(struct client *, struct window_pane *,
3195 	    const u_char *, size_t);
3196 void	control_notify_pane_mode_changed(int);
3197 void	control_notify_window_layout_changed(struct window *);
3198 void	control_notify_window_pane_changed(struct window *);
3199 void	control_notify_window_unlinked(struct session *, struct window *);
3200 void	control_notify_window_linked(struct session *, struct window *);
3201 void	control_notify_window_renamed(struct window *);
3202 void	control_notify_client_session_changed(struct client *);
3203 void	control_notify_client_detached(struct client *);
3204 void	control_notify_session_renamed(struct session *);
3205 void	control_notify_session_created(struct session *);
3206 void	control_notify_session_closed(struct session *);
3207 void	control_notify_session_window_changed(struct session *);
3208 void	control_notify_paste_buffer_changed(const char *);
3209 void	control_notify_paste_buffer_deleted(const char *);
3210 
3211 /* session.c */
3212 extern struct sessions sessions;
3213 extern u_int next_session_id;
3214 int	session_cmp(struct session *, struct session *);
3215 RB_PROTOTYPE(sessions, session, entry, session_cmp);
3216 int		 session_alive(struct session *);
3217 struct session	*session_find(const char *);
3218 struct session	*session_find_by_id_str(const char *);
3219 struct session	*session_find_by_id(u_int);
3220 struct session	*session_create(const char *, const char *, const char *,
3221 		     struct environ *, struct options *, struct termios *);
3222 void		 session_destroy(struct session *, int,	 const char *);
3223 void		 session_add_ref(struct session *, const char *);
3224 void		 session_remove_ref(struct session *, const char *);
3225 char		*session_check_name(const char *);
3226 void		 session_update_activity(struct session *, struct timeval *);
3227 struct session	*session_next_session(struct session *);
3228 struct session	*session_previous_session(struct session *);
3229 struct winlink	*session_new(struct session *, const char *, int, char **,
3230 		     const char *, const char *, int, char **);
3231 struct winlink	*session_attach(struct session *, struct window *, int,
3232 		     char **);
3233 int		 session_detach(struct session *, struct winlink *);
3234 int		 session_has(struct session *, struct window *);
3235 int		 session_is_linked(struct session *, struct window *);
3236 int		 session_next(struct session *, int);
3237 int		 session_previous(struct session *, int);
3238 int		 session_select(struct session *, int);
3239 int		 session_last(struct session *);
3240 int		 session_set_current(struct session *, struct winlink *);
3241 struct session_group *session_group_contains(struct session *);
3242 struct session_group *session_group_find(const char *);
3243 struct session_group *session_group_new(const char *);
3244 void		 session_group_add(struct session_group *, struct session *);
3245 void		 session_group_synchronize_to(struct session *);
3246 void		 session_group_synchronize_from(struct session *);
3247 u_int		 session_group_count(struct session_group *);
3248 u_int		 session_group_attached_count(struct session_group *);
3249 void		 session_renumber_windows(struct session *);
3250 
3251 /* utf8.c */
3252 utf8_char	 utf8_build_one(u_char);
3253 enum utf8_state	 utf8_from_data(const struct utf8_data *, utf8_char *);
3254 void		 utf8_to_data(utf8_char, struct utf8_data *);
3255 void		 utf8_set(struct utf8_data *, u_char);
3256 void		 utf8_copy(struct utf8_data *, const struct utf8_data *);
3257 enum utf8_state	 utf8_open(struct utf8_data *, u_char);
3258 enum utf8_state	 utf8_append(struct utf8_data *, u_char);
3259 int		 utf8_isvalid(const char *);
3260 int		 utf8_strvis(char *, const char *, size_t, int);
3261 int		 utf8_stravis(char **, const char *, int);
3262 int		 utf8_stravisx(char **, const char *, size_t, int);
3263 char		*utf8_sanitize(const char *);
3264 size_t		 utf8_strlen(const struct utf8_data *);
3265 u_int		 utf8_strwidth(const struct utf8_data *, ssize_t);
3266 struct utf8_data *utf8_fromcstr(const char *);
3267 char		*utf8_tocstr(struct utf8_data *);
3268 u_int		 utf8_cstrwidth(const char *);
3269 char		*utf8_padcstr(const char *, u_int);
3270 char		*utf8_rpadcstr(const char *, u_int);
3271 int		 utf8_cstrhas(const char *, const struct utf8_data *);
3272 
3273 /* procname.c */
3274 char   *get_proc_name(int, char *);
3275 char   *get_proc_cwd(int);
3276 
3277 /* log.c */
3278 void	log_add_level(void);
3279 int	log_get_level(void);
3280 void	log_open(const char *);
3281 void	log_toggle(const char *);
3282 void	log_close(void);
3283 void printflike(1, 2) log_debug(const char *, ...);
3284 __dead void printflike(1, 2) fatal(const char *, ...);
3285 __dead void printflike(1, 2) fatalx(const char *, ...);
3286 
3287 /* menu.c */
3288 #define MENU_NOMOUSE 0x1
3289 #define MENU_TAB 0x2
3290 #define MENU_STAYOPEN 0x4
3291 struct menu	*menu_create(const char *);
3292 void		 menu_add_items(struct menu *, const struct menu_item *,
3293 		    struct cmdq_item *, struct client *,
3294 		    struct cmd_find_state *);
3295 void		 menu_add_item(struct menu *, const struct menu_item *,
3296 		    struct cmdq_item *, struct client *,
3297 		    struct cmd_find_state *);
3298 void		 menu_free(struct menu *);
3299 struct menu_data *menu_prepare(struct menu *, int, int, struct cmdq_item *,
3300 		    u_int, u_int, struct client *, struct cmd_find_state *,
3301 		    menu_choice_cb, void *);
3302 int		 menu_display(struct menu *, int, int, struct cmdq_item *,
3303 		    u_int, u_int, struct client *, struct cmd_find_state *,
3304 		    menu_choice_cb, void *);
3305 struct screen	*menu_mode_cb(struct client *, void *, u_int *, u_int *);
3306 void		 menu_check_cb(struct client *, void *, u_int, u_int, u_int,
3307 		    struct overlay_ranges *);
3308 void		 menu_draw_cb(struct client *, void *,
3309 		    struct screen_redraw_ctx *);
3310 void		 menu_free_cb(struct client *, void *);
3311 int		 menu_key_cb(struct client *, void *, struct key_event *);
3312 
3313 /* popup.c */
3314 #define POPUP_CLOSEEXIT 0x1
3315 #define POPUP_CLOSEEXITZERO 0x2
3316 #define POPUP_INTERNAL 0x4
3317 typedef void (*popup_close_cb)(int, void *);
3318 typedef void (*popup_finish_edit_cb)(char *, size_t, void *);
3319 int		 popup_display(int, enum box_lines, struct cmdq_item *, u_int,
3320                     u_int, u_int, u_int, struct environ *, const char *, int,
3321                     char **, const char *, const char *, struct client *,
3322                     struct session *, const char *, const char *,
3323                     popup_close_cb, void *);
3324 int		 popup_editor(struct client *, const char *, size_t,
3325 		    popup_finish_edit_cb, void *);
3326 
3327 /* style.c */
3328 int		 style_parse(struct style *,const struct grid_cell *,
3329 		     const char *);
3330 const char	*style_tostring(struct style *);
3331 void		 style_add(struct grid_cell *, struct options *,
3332 		     const char *, struct format_tree *);
3333 void		 style_apply(struct grid_cell *, struct options *,
3334 		     const char *, struct format_tree *);
3335 void		 style_set(struct style *, const struct grid_cell *);
3336 void		 style_copy(struct style *, struct style *);
3337 
3338 /* spawn.c */
3339 struct winlink	*spawn_window(struct spawn_context *, char **);
3340 struct window_pane *spawn_pane(struct spawn_context *, char **);
3341 
3342 /* regsub.c */
3343 char		*regsub(const char *, const char *, const char *, int);
3344 
3345 /* server-acl.c */
3346 void			 server_acl_init(void);
3347 struct server_acl_user	*server_acl_user_find(uid_t);
3348 void 			 server_acl_display(struct cmdq_item *);
3349 void			 server_acl_user_allow(uid_t);
3350 void			 server_acl_user_deny(uid_t);
3351 void			 server_acl_user_allow_write(uid_t);
3352 void			 server_acl_user_deny_write(uid_t);
3353 int			 server_acl_join(struct client *);
3354 uid_t			 server_acl_get_uid(struct server_acl_user *);
3355 
3356 /* hyperlink.c */
3357 u_int	 		 hyperlinks_put(struct hyperlinks *, const char *,
3358 			     const char *);
3359 int			 hyperlinks_get(struct hyperlinks *, u_int,
3360 			     const char **, const char **, const char **);
3361 struct hyperlinks	*hyperlinks_init(void);
3362 void			 hyperlinks_reset(struct hyperlinks *);
3363 void			 hyperlinks_free(struct hyperlinks *);
3364 
3365 #endif /* TMUX_H */
3366