xref: /openbsd-src/usr.bin/tmux/tmux.h (revision 8550894424f8a4aa4aafb6cd57229dd6ed7cd9dd)
1 /* $OpenBSD: tmux.h,v 1.1193 2023/01/20 21:36:00 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 
162 /* Multiple click timeout. */
163 #define KEYC_CLICK_TIMEOUT 300
164 
165 /* Mouse key codes. */
166 #define KEYC_MOUSE_KEY(name)					\
167 	KEYC_ ## name ## _PANE,					\
168 	KEYC_ ## name ## _STATUS,				\
169 	KEYC_ ## name ## _STATUS_LEFT,				\
170 	KEYC_ ## name ## _STATUS_RIGHT,				\
171 	KEYC_ ## name ## _STATUS_DEFAULT,			\
172 	KEYC_ ## name ## _BORDER
173 #define KEYC_MOUSE_STRING(name, s)				\
174 	{ #s "Pane", KEYC_ ## name ## _PANE },			\
175 	{ #s "Status", KEYC_ ## name ## _STATUS },		\
176 	{ #s "StatusLeft", KEYC_ ## name ## _STATUS_LEFT },	\
177 	{ #s "StatusRight", KEYC_ ## name ## _STATUS_RIGHT },	\
178 	{ #s "StatusDefault", KEYC_ ## name ## _STATUS_DEFAULT }, \
179 	{ #s "Border", KEYC_ ## name ## _BORDER }
180 
181 /*
182  * A single key. This can be ASCII or Unicode or one of the keys between
183  * KEYC_BASE and KEYC_BASE_END.
184  */
185 typedef unsigned long long key_code;
186 
187 /* Special key codes. */
188 enum {
189 	/* Focus events. */
190 	KEYC_FOCUS_IN = KEYC_BASE,
191 	KEYC_FOCUS_OUT,
192 
193 	/* "Any" key, used if not found in key table. */
194 	KEYC_ANY,
195 
196 	/* Paste brackets. */
197 	KEYC_PASTE_START,
198 	KEYC_PASTE_END,
199 
200 	/* Mouse keys. */
201 	KEYC_MOUSE, /* unclassified mouse event */
202 	KEYC_DRAGGING, /* dragging in progress */
203 	KEYC_DOUBLECLICK, /* double click complete */
204 	KEYC_MOUSE_KEY(MOUSEMOVE),
205 	KEYC_MOUSE_KEY(MOUSEDOWN1),
206 	KEYC_MOUSE_KEY(MOUSEDOWN2),
207 	KEYC_MOUSE_KEY(MOUSEDOWN3),
208 	KEYC_MOUSE_KEY(MOUSEDOWN6),
209 	KEYC_MOUSE_KEY(MOUSEDOWN7),
210 	KEYC_MOUSE_KEY(MOUSEDOWN8),
211 	KEYC_MOUSE_KEY(MOUSEDOWN9),
212 	KEYC_MOUSE_KEY(MOUSEDOWN10),
213 	KEYC_MOUSE_KEY(MOUSEDOWN11),
214 	KEYC_MOUSE_KEY(MOUSEUP1),
215 	KEYC_MOUSE_KEY(MOUSEUP2),
216 	KEYC_MOUSE_KEY(MOUSEUP3),
217 	KEYC_MOUSE_KEY(MOUSEUP6),
218 	KEYC_MOUSE_KEY(MOUSEUP7),
219 	KEYC_MOUSE_KEY(MOUSEUP8),
220 	KEYC_MOUSE_KEY(MOUSEUP9),
221 	KEYC_MOUSE_KEY(MOUSEUP10),
222 	KEYC_MOUSE_KEY(MOUSEUP11),
223 	KEYC_MOUSE_KEY(MOUSEDRAG1),
224 	KEYC_MOUSE_KEY(MOUSEDRAG2),
225 	KEYC_MOUSE_KEY(MOUSEDRAG3),
226 	KEYC_MOUSE_KEY(MOUSEDRAG6),
227 	KEYC_MOUSE_KEY(MOUSEDRAG7),
228 	KEYC_MOUSE_KEY(MOUSEDRAG8),
229 	KEYC_MOUSE_KEY(MOUSEDRAG9),
230 	KEYC_MOUSE_KEY(MOUSEDRAG10),
231 	KEYC_MOUSE_KEY(MOUSEDRAG11),
232 	KEYC_MOUSE_KEY(MOUSEDRAGEND1),
233 	KEYC_MOUSE_KEY(MOUSEDRAGEND2),
234 	KEYC_MOUSE_KEY(MOUSEDRAGEND3),
235 	KEYC_MOUSE_KEY(MOUSEDRAGEND6),
236 	KEYC_MOUSE_KEY(MOUSEDRAGEND7),
237 	KEYC_MOUSE_KEY(MOUSEDRAGEND8),
238 	KEYC_MOUSE_KEY(MOUSEDRAGEND9),
239 	KEYC_MOUSE_KEY(MOUSEDRAGEND10),
240 	KEYC_MOUSE_KEY(MOUSEDRAGEND11),
241 	KEYC_MOUSE_KEY(WHEELUP),
242 	KEYC_MOUSE_KEY(WHEELDOWN),
243 	KEYC_MOUSE_KEY(SECONDCLICK1),
244 	KEYC_MOUSE_KEY(SECONDCLICK2),
245 	KEYC_MOUSE_KEY(SECONDCLICK3),
246 	KEYC_MOUSE_KEY(SECONDCLICK6),
247 	KEYC_MOUSE_KEY(SECONDCLICK7),
248 	KEYC_MOUSE_KEY(SECONDCLICK8),
249 	KEYC_MOUSE_KEY(SECONDCLICK9),
250 	KEYC_MOUSE_KEY(SECONDCLICK10),
251 	KEYC_MOUSE_KEY(SECONDCLICK11),
252 	KEYC_MOUSE_KEY(DOUBLECLICK1),
253 	KEYC_MOUSE_KEY(DOUBLECLICK2),
254 	KEYC_MOUSE_KEY(DOUBLECLICK3),
255 	KEYC_MOUSE_KEY(DOUBLECLICK6),
256 	KEYC_MOUSE_KEY(DOUBLECLICK7),
257 	KEYC_MOUSE_KEY(DOUBLECLICK8),
258 	KEYC_MOUSE_KEY(DOUBLECLICK9),
259 	KEYC_MOUSE_KEY(DOUBLECLICK10),
260 	KEYC_MOUSE_KEY(DOUBLECLICK11),
261 	KEYC_MOUSE_KEY(TRIPLECLICK1),
262 	KEYC_MOUSE_KEY(TRIPLECLICK2),
263 	KEYC_MOUSE_KEY(TRIPLECLICK3),
264 	KEYC_MOUSE_KEY(TRIPLECLICK6),
265 	KEYC_MOUSE_KEY(TRIPLECLICK7),
266 	KEYC_MOUSE_KEY(TRIPLECLICK8),
267 	KEYC_MOUSE_KEY(TRIPLECLICK9),
268 	KEYC_MOUSE_KEY(TRIPLECLICK10),
269 	KEYC_MOUSE_KEY(TRIPLECLICK11),
270 
271 	/* Backspace key. */
272 	KEYC_BSPACE,
273 
274 	/* Function keys. */
275 	KEYC_F1,
276 	KEYC_F2,
277 	KEYC_F3,
278 	KEYC_F4,
279 	KEYC_F5,
280 	KEYC_F6,
281 	KEYC_F7,
282 	KEYC_F8,
283 	KEYC_F9,
284 	KEYC_F10,
285 	KEYC_F11,
286 	KEYC_F12,
287 	KEYC_IC,
288 	KEYC_DC,
289 	KEYC_HOME,
290 	KEYC_END,
291 	KEYC_NPAGE,
292 	KEYC_PPAGE,
293 	KEYC_BTAB,
294 
295 	/* Arrow keys. */
296 	KEYC_UP,
297 	KEYC_DOWN,
298 	KEYC_LEFT,
299 	KEYC_RIGHT,
300 
301 	/* Numeric keypad. */
302 	KEYC_KP_SLASH,
303 	KEYC_KP_STAR,
304 	KEYC_KP_MINUS,
305 	KEYC_KP_SEVEN,
306 	KEYC_KP_EIGHT,
307 	KEYC_KP_NINE,
308 	KEYC_KP_PLUS,
309 	KEYC_KP_FOUR,
310 	KEYC_KP_FIVE,
311 	KEYC_KP_SIX,
312 	KEYC_KP_ONE,
313 	KEYC_KP_TWO,
314 	KEYC_KP_THREE,
315 	KEYC_KP_ENTER,
316 	KEYC_KP_ZERO,
317 	KEYC_KP_PERIOD,
318 
319 	/* End of special keys. */
320 	KEYC_BASE_END
321 };
322 
323 /* Termcap codes. */
324 enum tty_code_code {
325 	TTYC_ACSC,
326 	TTYC_AM,
327 	TTYC_AX,
328 	TTYC_BCE,
329 	TTYC_BEL,
330 	TTYC_BIDI,
331 	TTYC_BLINK,
332 	TTYC_BOLD,
333 	TTYC_CIVIS,
334 	TTYC_CLEAR,
335 	TTYC_CLMG,
336 	TTYC_CMG,
337 	TTYC_CNORM,
338 	TTYC_COLORS,
339 	TTYC_CR,
340 	TTYC_CS,
341 	TTYC_CSR,
342 	TTYC_CUB,
343 	TTYC_CUB1,
344 	TTYC_CUD,
345 	TTYC_CUD1,
346 	TTYC_CUF,
347 	TTYC_CUF1,
348 	TTYC_CUP,
349 	TTYC_CUU,
350 	TTYC_CUU1,
351 	TTYC_CVVIS,
352 	TTYC_DCH,
353 	TTYC_DCH1,
354 	TTYC_DIM,
355 	TTYC_DL,
356 	TTYC_DL1,
357 	TTYC_DSBP,
358 	TTYC_DSEKS,
359 	TTYC_DSFCS,
360 	TTYC_DSMG,
361 	TTYC_E3,
362 	TTYC_ECH,
363 	TTYC_ED,
364 	TTYC_EL,
365 	TTYC_EL1,
366 	TTYC_ENACS,
367 	TTYC_ENBP,
368 	TTYC_ENEKS,
369 	TTYC_ENFCS,
370 	TTYC_ENMG,
371 	TTYC_FSL,
372 	TTYC_HLS,
373 	TTYC_HOME,
374 	TTYC_HPA,
375 	TTYC_ICH,
376 	TTYC_ICH1,
377 	TTYC_IL,
378 	TTYC_IL1,
379 	TTYC_INDN,
380 	TTYC_INVIS,
381 	TTYC_KCBT,
382 	TTYC_KCUB1,
383 	TTYC_KCUD1,
384 	TTYC_KCUF1,
385 	TTYC_KCUU1,
386 	TTYC_KDC2,
387 	TTYC_KDC3,
388 	TTYC_KDC4,
389 	TTYC_KDC5,
390 	TTYC_KDC6,
391 	TTYC_KDC7,
392 	TTYC_KDCH1,
393 	TTYC_KDN2,
394 	TTYC_KDN3,
395 	TTYC_KDN4,
396 	TTYC_KDN5,
397 	TTYC_KDN6,
398 	TTYC_KDN7,
399 	TTYC_KEND,
400 	TTYC_KEND2,
401 	TTYC_KEND3,
402 	TTYC_KEND4,
403 	TTYC_KEND5,
404 	TTYC_KEND6,
405 	TTYC_KEND7,
406 	TTYC_KF1,
407 	TTYC_KF10,
408 	TTYC_KF11,
409 	TTYC_KF12,
410 	TTYC_KF13,
411 	TTYC_KF14,
412 	TTYC_KF15,
413 	TTYC_KF16,
414 	TTYC_KF17,
415 	TTYC_KF18,
416 	TTYC_KF19,
417 	TTYC_KF2,
418 	TTYC_KF20,
419 	TTYC_KF21,
420 	TTYC_KF22,
421 	TTYC_KF23,
422 	TTYC_KF24,
423 	TTYC_KF25,
424 	TTYC_KF26,
425 	TTYC_KF27,
426 	TTYC_KF28,
427 	TTYC_KF29,
428 	TTYC_KF3,
429 	TTYC_KF30,
430 	TTYC_KF31,
431 	TTYC_KF32,
432 	TTYC_KF33,
433 	TTYC_KF34,
434 	TTYC_KF35,
435 	TTYC_KF36,
436 	TTYC_KF37,
437 	TTYC_KF38,
438 	TTYC_KF39,
439 	TTYC_KF4,
440 	TTYC_KF40,
441 	TTYC_KF41,
442 	TTYC_KF42,
443 	TTYC_KF43,
444 	TTYC_KF44,
445 	TTYC_KF45,
446 	TTYC_KF46,
447 	TTYC_KF47,
448 	TTYC_KF48,
449 	TTYC_KF49,
450 	TTYC_KF5,
451 	TTYC_KF50,
452 	TTYC_KF51,
453 	TTYC_KF52,
454 	TTYC_KF53,
455 	TTYC_KF54,
456 	TTYC_KF55,
457 	TTYC_KF56,
458 	TTYC_KF57,
459 	TTYC_KF58,
460 	TTYC_KF59,
461 	TTYC_KF6,
462 	TTYC_KF60,
463 	TTYC_KF61,
464 	TTYC_KF62,
465 	TTYC_KF63,
466 	TTYC_KF7,
467 	TTYC_KF8,
468 	TTYC_KF9,
469 	TTYC_KHOM2,
470 	TTYC_KHOM3,
471 	TTYC_KHOM4,
472 	TTYC_KHOM5,
473 	TTYC_KHOM6,
474 	TTYC_KHOM7,
475 	TTYC_KHOME,
476 	TTYC_KIC2,
477 	TTYC_KIC3,
478 	TTYC_KIC4,
479 	TTYC_KIC5,
480 	TTYC_KIC6,
481 	TTYC_KIC7,
482 	TTYC_KICH1,
483 	TTYC_KIND,
484 	TTYC_KLFT2,
485 	TTYC_KLFT3,
486 	TTYC_KLFT4,
487 	TTYC_KLFT5,
488 	TTYC_KLFT6,
489 	TTYC_KLFT7,
490 	TTYC_KMOUS,
491 	TTYC_KNP,
492 	TTYC_KNXT2,
493 	TTYC_KNXT3,
494 	TTYC_KNXT4,
495 	TTYC_KNXT5,
496 	TTYC_KNXT6,
497 	TTYC_KNXT7,
498 	TTYC_KPP,
499 	TTYC_KPRV2,
500 	TTYC_KPRV3,
501 	TTYC_KPRV4,
502 	TTYC_KPRV5,
503 	TTYC_KPRV6,
504 	TTYC_KPRV7,
505 	TTYC_KRI,
506 	TTYC_KRIT2,
507 	TTYC_KRIT3,
508 	TTYC_KRIT4,
509 	TTYC_KRIT5,
510 	TTYC_KRIT6,
511 	TTYC_KRIT7,
512 	TTYC_KUP2,
513 	TTYC_KUP3,
514 	TTYC_KUP4,
515 	TTYC_KUP5,
516 	TTYC_KUP6,
517 	TTYC_KUP7,
518 	TTYC_MS,
519 	TTYC_NOBR,
520 	TTYC_OL,
521 	TTYC_OP,
522 	TTYC_RECT,
523 	TTYC_REV,
524 	TTYC_RGB,
525 	TTYC_RI,
526 	TTYC_RIN,
527 	TTYC_RMACS,
528 	TTYC_RMCUP,
529 	TTYC_RMKX,
530 	TTYC_SE,
531 	TTYC_SETAB,
532 	TTYC_SETAF,
533 	TTYC_SETAL,
534 	TTYC_SETRGBB,
535 	TTYC_SETRGBF,
536 	TTYC_SETULC,
537 	TTYC_SGR0,
538 	TTYC_SITM,
539 	TTYC_SMACS,
540 	TTYC_SMCUP,
541 	TTYC_SMKX,
542 	TTYC_SMOL,
543 	TTYC_SMSO,
544 	TTYC_SMUL,
545 	TTYC_SMULX,
546 	TTYC_SMXX,
547 	TTYC_SXL,
548 	TTYC_SS,
549 	TTYC_SWD,
550 	TTYC_SYNC,
551 	TTYC_TC,
552 	TTYC_TSL,
553 	TTYC_U8,
554 	TTYC_VPA,
555 	TTYC_XT
556 };
557 
558 /* Character classes. */
559 #define WHITESPACE " "
560 
561 /* Mode keys. */
562 #define MODEKEY_EMACS 0
563 #define MODEKEY_VI 1
564 
565 /* Modes. */
566 #define MODE_CURSOR 0x1
567 #define MODE_INSERT 0x2
568 #define MODE_KCURSOR 0x4
569 #define MODE_KKEYPAD 0x8
570 #define MODE_WRAP 0x10
571 #define MODE_MOUSE_STANDARD 0x20
572 #define MODE_MOUSE_BUTTON 0x40
573 #define MODE_CURSOR_BLINKING 0x80
574 #define MODE_MOUSE_UTF8 0x100
575 #define MODE_MOUSE_SGR 0x200
576 #define MODE_BRACKETPASTE 0x400
577 #define MODE_FOCUSON 0x800
578 #define MODE_MOUSE_ALL 0x1000
579 #define MODE_ORIGIN 0x2000
580 #define MODE_CRLF 0x4000
581 #define MODE_KEXTENDED 0x8000
582 #define MODE_CURSOR_VERY_VISIBLE 0x10000
583 #define MODE_CURSOR_BLINKING_SET 0x20000
584 
585 #define ALL_MODES 0xffffff
586 #define ALL_MOUSE_MODES (MODE_MOUSE_STANDARD|MODE_MOUSE_BUTTON|MODE_MOUSE_ALL)
587 #define MOTION_MOUSE_MODES (MODE_MOUSE_BUTTON|MODE_MOUSE_ALL)
588 #define CURSOR_MODES (MODE_CURSOR|MODE_CURSOR_BLINKING|MODE_CURSOR_VERY_VISIBLE)
589 
590 /* Mouse protocol constants. */
591 #define MOUSE_PARAM_MAX 0xff
592 #define MOUSE_PARAM_UTF8_MAX 0x7ff
593 #define MOUSE_PARAM_BTN_OFF 0x20
594 #define MOUSE_PARAM_POS_OFF 0x21
595 
596 /* A single UTF-8 character. */
597 typedef u_int utf8_char;
598 
599 /*
600  * An expanded UTF-8 character. UTF8_SIZE must be big enough to hold combining
601  * characters as well. It can't be more than 32 bytes without changes to how
602  * characters are stored.
603  */
604 #define UTF8_SIZE 21
605 struct utf8_data {
606 	u_char	data[UTF8_SIZE];
607 
608 	u_char	have;
609 	u_char	size;
610 
611 	u_char	width;	/* 0xff if invalid */
612 };
613 enum utf8_state {
614 	UTF8_MORE,
615 	UTF8_DONE,
616 	UTF8_ERROR
617 };
618 
619 /* Colour flags. */
620 #define COLOUR_FLAG_256 0x01000000
621 #define COLOUR_FLAG_RGB 0x02000000
622 
623 /* Special colours. */
624 #define COLOUR_DEFAULT(c) ((c) == 8 || (c) == 9)
625 
626 /* Replacement palette. */
627 struct colour_palette {
628 	int	 fg;
629 	int	 bg;
630 
631 	int	*palette;
632 	int	*default_palette;
633 };
634 
635 /* Grid attributes. Anything above 0xff is stored in an extended cell. */
636 #define GRID_ATTR_BRIGHT 0x1
637 #define GRID_ATTR_DIM 0x2
638 #define GRID_ATTR_UNDERSCORE 0x4
639 #define GRID_ATTR_BLINK 0x8
640 #define GRID_ATTR_REVERSE 0x10
641 #define GRID_ATTR_HIDDEN 0x20
642 #define GRID_ATTR_ITALICS 0x40
643 #define GRID_ATTR_CHARSET 0x80	/* alternative character set */
644 #define GRID_ATTR_STRIKETHROUGH 0x100
645 #define GRID_ATTR_UNDERSCORE_2 0x200
646 #define GRID_ATTR_UNDERSCORE_3 0x400
647 #define GRID_ATTR_UNDERSCORE_4 0x800
648 #define GRID_ATTR_UNDERSCORE_5 0x1000
649 #define GRID_ATTR_OVERLINE 0x2000
650 
651 /* All underscore attributes. */
652 #define GRID_ATTR_ALL_UNDERSCORE \
653 	(GRID_ATTR_UNDERSCORE|	 \
654 	 GRID_ATTR_UNDERSCORE_2| \
655 	 GRID_ATTR_UNDERSCORE_3| \
656 	 GRID_ATTR_UNDERSCORE_4| \
657 	 GRID_ATTR_UNDERSCORE_5)
658 
659 /* Grid flags. */
660 #define GRID_FLAG_FG256 0x1
661 #define GRID_FLAG_BG256 0x2
662 #define GRID_FLAG_PADDING 0x4
663 #define GRID_FLAG_EXTENDED 0x8
664 #define GRID_FLAG_SELECTED 0x10
665 #define GRID_FLAG_NOPALETTE 0x20
666 #define GRID_FLAG_CLEARED 0x40
667 
668 /* Grid line flags. */
669 #define GRID_LINE_WRAPPED 0x1
670 #define GRID_LINE_EXTENDED 0x2
671 #define GRID_LINE_DEAD 0x4
672 
673 /* Grid string flags. */
674 #define GRID_STRING_WITH_SEQUENCES 0x1
675 #define GRID_STRING_ESCAPE_SEQUENCES 0x2
676 #define GRID_STRING_TRIM_SPACES 0x4
677 #define GRID_STRING_USED_ONLY 0x8
678 #define GRID_STRING_EMPTY_CELLS 0x10
679 
680 /* Cell positions. */
681 #define CELL_INSIDE 0
682 #define CELL_TOPBOTTOM 1
683 #define CELL_LEFTRIGHT 2
684 #define CELL_TOPLEFT 3
685 #define CELL_TOPRIGHT 4
686 #define CELL_BOTTOMLEFT 5
687 #define CELL_BOTTOMRIGHT 6
688 #define CELL_TOPJOIN 7
689 #define CELL_BOTTOMJOIN 8
690 #define CELL_LEFTJOIN 9
691 #define CELL_RIGHTJOIN 10
692 #define CELL_JOIN 11
693 #define CELL_OUTSIDE 12
694 
695 /* Cell borders. */
696 #define CELL_BORDERS " xqlkmjwvtun~"
697 #define SIMPLE_BORDERS " |-+++++++++."
698 #define PADDED_BORDERS "             "
699 
700 /* Grid cell data. */
701 struct grid_cell {
702 	struct utf8_data	data;
703 	u_short			attr;
704 	u_char			flags;
705 	int			fg;
706 	int			bg;
707 	int			us;
708 	u_int			link;
709 };
710 
711 /* Grid extended cell entry. */
712 struct grid_extd_entry {
713 	utf8_char		data;
714 	u_short			attr;
715 	u_char			flags;
716 	int			fg;
717 	int			bg;
718 	int			us;
719 	u_int			link;
720 } __packed;
721 
722 /* Grid cell entry. */
723 struct grid_cell_entry {
724 	u_char			flags;
725 	union {
726 		u_int		offset;
727 		struct {
728 			u_char	attr;
729 			u_char	fg;
730 			u_char	bg;
731 			u_char	data;
732 		} data;
733 	};
734 } __packed;
735 
736 /* Grid line. */
737 struct grid_line {
738 	struct grid_cell_entry	*celldata;
739 	u_int			 cellused;
740 	u_int			 cellsize;
741 
742 	struct grid_extd_entry	*extddata;
743 	u_int			 extdsize;
744 
745 	int			 flags;
746 	time_t			 time;
747 };
748 
749 /* Entire grid of cells. */
750 struct grid {
751 	int			 flags;
752 #define GRID_HISTORY 0x1 /* scroll lines into history */
753 
754 	u_int			 sx;
755 	u_int			 sy;
756 
757 	u_int			 hscrolled;
758 	u_int			 hsize;
759 	u_int			 hlimit;
760 
761 	struct grid_line	*linedata;
762 };
763 
764 /* Virtual cursor in a grid. */
765 struct grid_reader {
766 	struct grid	*gd;
767 	u_int		 cx;
768 	u_int		 cy;
769 };
770 
771 /* Style alignment. */
772 enum style_align {
773 	STYLE_ALIGN_DEFAULT,
774 	STYLE_ALIGN_LEFT,
775 	STYLE_ALIGN_CENTRE,
776 	STYLE_ALIGN_RIGHT,
777 	STYLE_ALIGN_ABSOLUTE_CENTRE
778 };
779 
780 /* Style list. */
781 enum style_list {
782 	STYLE_LIST_OFF,
783 	STYLE_LIST_ON,
784 	STYLE_LIST_FOCUS,
785 	STYLE_LIST_LEFT_MARKER,
786 	STYLE_LIST_RIGHT_MARKER,
787 };
788 
789 /* Style range. */
790 enum style_range_type {
791 	STYLE_RANGE_NONE,
792 	STYLE_RANGE_LEFT,
793 	STYLE_RANGE_RIGHT,
794 	STYLE_RANGE_WINDOW
795 };
796 struct style_range {
797 	enum style_range_type	 type;
798 	u_int			 argument;
799 
800 	u_int			 start;
801 	u_int			 end; /* not included */
802 
803 	TAILQ_ENTRY(style_range) entry;
804 };
805 TAILQ_HEAD(style_ranges, style_range);
806 
807 /* Style default. */
808 enum style_default_type {
809 	STYLE_DEFAULT_BASE,
810 	STYLE_DEFAULT_PUSH,
811 	STYLE_DEFAULT_POP
812 };
813 
814 /* Style option. */
815 struct style {
816 	struct grid_cell	gc;
817 	int			ignore;
818 
819 	int			fill;
820 	enum style_align	align;
821 	enum style_list		list;
822 
823 	enum style_range_type	range_type;
824 	u_int			range_argument;
825 
826 	enum style_default_type	default_type;
827 };
828 
829 /* Cursor style. */
830 enum screen_cursor_style {
831 	SCREEN_CURSOR_DEFAULT,
832 	SCREEN_CURSOR_BLOCK,
833 	SCREEN_CURSOR_UNDERLINE,
834 	SCREEN_CURSOR_BAR
835 };
836 
837 /* Virtual screen. */
838 struct screen_sel;
839 struct screen_titles;
840 struct screen {
841 	char				*title;
842 	char				*path;
843 	struct screen_titles		*titles;
844 
845 	struct grid			*grid;	  /* grid data */
846 
847 	u_int				 cx;	  /* cursor x */
848 	u_int				 cy;	  /* cursor y */
849 
850 	enum screen_cursor_style	 cstyle;  /* cursor style */
851 	enum screen_cursor_style	 default_cstyle;
852 	int				 ccolour; /* cursor colour */
853 	int				 default_ccolour;
854 
855 	u_int				 rupper;  /* scroll region top */
856 	u_int				 rlower;  /* scroll region bottom */
857 
858 	int				 mode;
859 	int				 default_mode;
860 
861 	u_int				 saved_cx;
862 	u_int				 saved_cy;
863 	struct grid			*saved_grid;
864 	struct grid_cell		 saved_cell;
865 	int				 saved_flags;
866 
867 	bitstr_t			*tabs;
868 	struct screen_sel		*sel;
869 
870 	struct screen_write_cline	*write_list;
871 
872 	struct hyperlinks		*hyperlinks;
873 };
874 
875 /* Screen write context. */
876 typedef void (*screen_write_init_ctx_cb)(struct screen_write_ctx *,
877     struct tty_ctx *);
878 struct screen_write_ctx {
879 	struct window_pane		*wp;
880 	struct screen			*s;
881 
882 	int				 flags;
883 #define SCREEN_WRITE_SYNC 0x1
884 #define SCREEN_WRITE_ZWJ 0x2
885 
886 	screen_write_init_ctx_cb	 init_ctx_cb;
887 	void				*arg;
888 
889 	struct screen_write_citem	*item;
890 	u_int				 scrolled;
891 	u_int				 bg;
892 };
893 
894 /* Box border lines option. */
895 enum box_lines {
896 	BOX_LINES_DEFAULT = -1,
897 	BOX_LINES_SINGLE,
898 	BOX_LINES_DOUBLE,
899 	BOX_LINES_HEAVY,
900 	BOX_LINES_SIMPLE,
901 	BOX_LINES_ROUNDED,
902 	BOX_LINES_PADDED,
903 	BOX_LINES_NONE
904 };
905 
906 /* Pane border lines option. */
907 enum pane_lines {
908 	PANE_LINES_SINGLE,
909 	PANE_LINES_DOUBLE,
910 	PANE_LINES_HEAVY,
911 	PANE_LINES_SIMPLE,
912 	PANE_LINES_NUMBER
913 };
914 
915 /* Pane border indicator option. */
916 #define PANE_BORDER_OFF 0
917 #define PANE_BORDER_COLOUR 1
918 #define PANE_BORDER_ARROWS 2
919 #define PANE_BORDER_BOTH 3
920 
921 /* Screen redraw context. */
922 struct screen_redraw_ctx {
923 	struct client	*c;
924 
925 	u_int		 statuslines;
926 	int		 statustop;
927 
928 	int		 pane_status;
929 	enum pane_lines	 pane_lines;
930 
931 	struct grid_cell no_pane_gc;
932 	int		 no_pane_gc_set;
933 
934 	u_int		 sx;
935 	u_int		 sy;
936 	u_int		 ox;
937 	u_int		 oy;
938 };
939 
940 /* Screen size. */
941 #define screen_size_x(s) ((s)->grid->sx)
942 #define screen_size_y(s) ((s)->grid->sy)
943 #define screen_hsize(s) ((s)->grid->hsize)
944 #define screen_hlimit(s) ((s)->grid->hlimit)
945 
946 /* Menu. */
947 struct menu_item {
948 	const char	*name;
949 	key_code	 key;
950 	const char	*command;
951 };
952 struct menu {
953 	const char		*title;
954 	struct menu_item	*items;
955 	u_int			 count;
956 	u_int			 width;
957 };
958 typedef void (*menu_choice_cb)(struct menu *, u_int, key_code, void *);
959 
960 /*
961  * Window mode. Windows can be in several modes and this is used to call the
962  * right function to handle input and output.
963  */
964 struct window_mode_entry;
965 struct window_mode {
966 	const char	*name;
967 	const char	*default_format;
968 
969 	struct screen	*(*init)(struct window_mode_entry *,
970 			     struct cmd_find_state *, struct args *);
971 	void		 (*free)(struct window_mode_entry *);
972 	void		 (*resize)(struct window_mode_entry *, u_int, u_int);
973 	void		 (*update)(struct window_mode_entry *);
974 	void		 (*key)(struct window_mode_entry *, struct client *,
975 			     struct session *, struct winlink *, key_code,
976 			     struct mouse_event *);
977 
978 	const char	*(*key_table)(struct window_mode_entry *);
979 	void		 (*command)(struct window_mode_entry *, struct client *,
980 			     struct session *, struct winlink *, struct args *,
981 			     struct mouse_event *);
982 	void		 (*formats)(struct window_mode_entry *,
983 			     struct format_tree *);
984 };
985 
986 /* Active window mode. */
987 struct window_mode_entry {
988 	struct window_pane		*wp;
989 	struct window_pane		*swp;
990 
991 	const struct window_mode	*mode;
992 	void				*data;
993 
994 	struct screen			*screen;
995 	u_int				 prefix;
996 
997 	TAILQ_ENTRY(window_mode_entry)	 entry;
998 };
999 
1000 /* Offsets into pane buffer. */
1001 struct window_pane_offset {
1002 	size_t	used;
1003 };
1004 
1005 /* Queued pane resize. */
1006 struct window_pane_resize {
1007 	u_int				sx;
1008 	u_int				sy;
1009 
1010 	u_int				osx;
1011 	u_int				osy;
1012 
1013 	TAILQ_ENTRY(window_pane_resize)	entry;
1014 };
1015 TAILQ_HEAD(window_pane_resizes, window_pane_resize);
1016 
1017 /* Child window structure. */
1018 struct window_pane {
1019 	u_int		 id;
1020 	u_int		 active_point;
1021 
1022 	struct window	*window;
1023 	struct options	*options;
1024 
1025 	struct layout_cell *layout_cell;
1026 	struct layout_cell *saved_layout_cell;
1027 
1028 	u_int		 sx;
1029 	u_int		 sy;
1030 
1031 	u_int		 xoff;
1032 	u_int		 yoff;
1033 
1034 	int		 flags;
1035 #define PANE_REDRAW 0x1
1036 #define PANE_DROP 0x2
1037 #define PANE_FOCUSED 0x4
1038 /* 0x8 unused */
1039 /* 0x10 unused */
1040 /* 0x20 unused */
1041 #define PANE_INPUTOFF 0x40
1042 #define PANE_CHANGED 0x80
1043 #define PANE_EXITED 0x100
1044 #define PANE_STATUSREADY 0x200
1045 #define PANE_STATUSDRAWN 0x400
1046 #define PANE_EMPTY 0x800
1047 #define PANE_STYLECHANGED 0x1000
1048 
1049 	int		 argc;
1050 	char	       **argv;
1051 	char		*shell;
1052 	char		*cwd;
1053 
1054 	pid_t		 pid;
1055 	char		 tty[TTY_NAME_MAX];
1056 	int		 status;
1057 	struct timeval	 dead_time;
1058 
1059 	int		 fd;
1060 	struct bufferevent *event;
1061 
1062 	struct window_pane_offset offset;
1063 	size_t		 base_offset;
1064 
1065 	struct window_pane_resizes resize_queue;
1066 	struct event	 resize_timer;
1067 
1068 	struct input_ctx *ictx;
1069 
1070 	struct grid_cell cached_gc;
1071 	struct grid_cell cached_active_gc;
1072 	struct colour_palette palette;
1073 
1074 	int		 pipe_fd;
1075 	struct bufferevent *pipe_event;
1076 	struct window_pane_offset pipe_offset;
1077 
1078 	struct screen	*screen;
1079 	struct screen	 base;
1080 
1081 	struct screen	 status_screen;
1082 	size_t		 status_size;
1083 
1084 	TAILQ_HEAD(, window_mode_entry) modes;
1085 
1086 	char		*searchstr;
1087 	int		 searchregex;
1088 
1089 	int		 border_gc_set;
1090 	struct grid_cell border_gc;
1091 
1092 	TAILQ_ENTRY(window_pane) entry;
1093 	RB_ENTRY(window_pane) tree_entry;
1094 };
1095 TAILQ_HEAD(window_panes, window_pane);
1096 RB_HEAD(window_pane_tree, window_pane);
1097 
1098 /* Window structure. */
1099 struct window {
1100 	u_int			 id;
1101 	void			*latest;
1102 
1103 	char			*name;
1104 	struct event		 name_event;
1105 	struct timeval		 name_time;
1106 
1107 	struct event		 alerts_timer;
1108 	struct event		 offset_timer;
1109 
1110 	struct timeval		 activity_time;
1111 
1112 	struct window_pane	*active;
1113 	struct window_pane	*last;
1114 	struct window_panes	 panes;
1115 
1116 	int			 lastlayout;
1117 	struct layout_cell	*layout_root;
1118 	struct layout_cell	*saved_layout_root;
1119 	char			*old_layout;
1120 
1121 	u_int			 sx;
1122 	u_int			 sy;
1123 	u_int			 manual_sx;
1124 	u_int			 manual_sy;
1125 	u_int			 xpixel;
1126 	u_int			 ypixel;
1127 
1128 	u_int			 new_sx;
1129 	u_int			 new_sy;
1130 	u_int			 new_xpixel;
1131 	u_int			 new_ypixel;
1132 
1133 	struct utf8_data	*fill_character;
1134 	int			 flags;
1135 #define WINDOW_BELL 0x1
1136 #define WINDOW_ACTIVITY 0x2
1137 #define WINDOW_SILENCE 0x4
1138 #define WINDOW_ZOOMED 0x8
1139 #define WINDOW_WASZOOMED 0x10
1140 #define WINDOW_RESIZE 0x20
1141 #define WINDOW_ALERTFLAGS (WINDOW_BELL|WINDOW_ACTIVITY|WINDOW_SILENCE)
1142 
1143 	int			 alerts_queued;
1144 	TAILQ_ENTRY(window)	 alerts_entry;
1145 
1146 	struct options		*options;
1147 
1148 	u_int			 references;
1149 	TAILQ_HEAD(, winlink)	 winlinks;
1150 
1151 	RB_ENTRY(window)	 entry;
1152 };
1153 RB_HEAD(windows, window);
1154 
1155 /* Entry on local window list. */
1156 struct winlink {
1157 	int		 idx;
1158 	struct session	*session;
1159 	struct window	*window;
1160 
1161 	int		 flags;
1162 #define WINLINK_BELL 0x1
1163 #define WINLINK_ACTIVITY 0x2
1164 #define WINLINK_SILENCE 0x4
1165 #define WINLINK_ALERTFLAGS (WINLINK_BELL|WINLINK_ACTIVITY|WINLINK_SILENCE)
1166 
1167 	RB_ENTRY(winlink) entry;
1168 	TAILQ_ENTRY(winlink) wentry;
1169 	TAILQ_ENTRY(winlink) sentry;
1170 };
1171 RB_HEAD(winlinks, winlink);
1172 TAILQ_HEAD(winlink_stack, winlink);
1173 
1174 /* Window size option. */
1175 #define WINDOW_SIZE_LARGEST 0
1176 #define WINDOW_SIZE_SMALLEST 1
1177 #define WINDOW_SIZE_MANUAL 2
1178 #define WINDOW_SIZE_LATEST 3
1179 
1180 /* Pane border status option. */
1181 #define PANE_STATUS_OFF 0
1182 #define PANE_STATUS_TOP 1
1183 #define PANE_STATUS_BOTTOM 2
1184 
1185 /* Layout direction. */
1186 enum layout_type {
1187 	LAYOUT_LEFTRIGHT,
1188 	LAYOUT_TOPBOTTOM,
1189 	LAYOUT_WINDOWPANE
1190 };
1191 
1192 /* Layout cells queue. */
1193 TAILQ_HEAD(layout_cells, layout_cell);
1194 
1195 /* Layout cell. */
1196 struct layout_cell {
1197 	enum layout_type type;
1198 
1199 	struct layout_cell *parent;
1200 
1201 	u_int		 sx;
1202 	u_int		 sy;
1203 
1204 	u_int		 xoff;
1205 	u_int		 yoff;
1206 
1207 	struct window_pane *wp;
1208 	struct layout_cells cells;
1209 
1210 	TAILQ_ENTRY(layout_cell) entry;
1211 };
1212 
1213 /* Environment variable. */
1214 struct environ_entry {
1215 	char		*name;
1216 	char		*value;
1217 
1218 	int		 flags;
1219 #define ENVIRON_HIDDEN 0x1
1220 
1221 	RB_ENTRY(environ_entry) entry;
1222 };
1223 
1224 /* Client session. */
1225 struct session_group {
1226 	const char		*name;
1227 	TAILQ_HEAD(, session)	 sessions;
1228 
1229 	RB_ENTRY(session_group)	 entry;
1230 };
1231 RB_HEAD(session_groups, session_group);
1232 
1233 struct session {
1234 	u_int		 id;
1235 
1236 	char		*name;
1237 	const char	*cwd;
1238 
1239 	struct timeval	 creation_time;
1240 	struct timeval	 last_attached_time;
1241 	struct timeval	 activity_time;
1242 	struct timeval	 last_activity_time;
1243 
1244 	struct event	 lock_timer;
1245 
1246 	struct winlink	*curw;
1247 	struct winlink_stack lastw;
1248 	struct winlinks	 windows;
1249 
1250 	int		 statusat;
1251 	u_int		 statuslines;
1252 
1253 	struct options	*options;
1254 
1255 #define SESSION_PASTING 0x1
1256 #define SESSION_ALERTED 0x2
1257 	int		 flags;
1258 
1259 	u_int		 attached;
1260 
1261 	struct termios	*tio;
1262 
1263 	struct environ	*environ;
1264 
1265 	int		 references;
1266 
1267 	TAILQ_ENTRY(session) gentry;
1268 	RB_ENTRY(session)    entry;
1269 };
1270 RB_HEAD(sessions, session);
1271 
1272 /* Mouse button masks. */
1273 #define MOUSE_MASK_BUTTONS 195
1274 #define MOUSE_MASK_SHIFT 4
1275 #define MOUSE_MASK_META 8
1276 #define MOUSE_MASK_CTRL 16
1277 #define MOUSE_MASK_DRAG 32
1278 #define MOUSE_MASK_MODIFIERS (MOUSE_MASK_SHIFT|MOUSE_MASK_META|MOUSE_MASK_CTRL)
1279 
1280 /* Mouse wheel type. */
1281 #define MOUSE_WHEEL_UP 64
1282 #define MOUSE_WHEEL_DOWN 65
1283 
1284 /* Mouse button type. */
1285 #define MOUSE_BUTTON_1 0
1286 #define MOUSE_BUTTON_2 1
1287 #define MOUSE_BUTTON_3 2
1288 #define MOUSE_BUTTON_6 66
1289 #define MOUSE_BUTTON_7 67
1290 #define MOUSE_BUTTON_8 128
1291 #define MOUSE_BUTTON_9 129
1292 #define MOUSE_BUTTON_10 130
1293 #define MOUSE_BUTTON_11 131
1294 
1295 /* Mouse helpers. */
1296 #define MOUSE_BUTTONS(b) ((b) & MOUSE_MASK_BUTTONS)
1297 #define MOUSE_WHEEL(b) \
1298 	(((b) & MOUSE_MASK_BUTTONS) == MOUSE_WHEEL_UP || \
1299 	 ((b) & MOUSE_MASK_BUTTONS) == MOUSE_WHEEL_DOWN)
1300 #define MOUSE_DRAG(b) ((b) & MOUSE_MASK_DRAG)
1301 #define MOUSE_RELEASE(b) (((b) & MOUSE_MASK_BUTTONS) == 3)
1302 
1303 /* Mouse input. */
1304 struct mouse_event {
1305 	int		valid;
1306 	int		ignore;
1307 
1308 	key_code	key;
1309 
1310 	int		statusat;
1311 	u_int		statuslines;
1312 
1313 	u_int		x;
1314 	u_int		y;
1315 	u_int		b;
1316 
1317 	u_int		lx;
1318 	u_int		ly;
1319 	u_int		lb;
1320 
1321 	u_int		ox;
1322 	u_int		oy;
1323 
1324 	int		s;
1325 	int		w;
1326 	int		wp;
1327 
1328 	u_int		sgr_type;
1329 	u_int		sgr_b;
1330 };
1331 
1332 /* Key event. */
1333 struct key_event {
1334 	key_code		key;
1335 	struct mouse_event	m;
1336 };
1337 
1338 /* Terminal definition. */
1339 struct tty_term {
1340 	char		*name;
1341 	struct tty	*tty;
1342 	int		 features;
1343 
1344 	char		 acs[UCHAR_MAX + 1][2];
1345 
1346 	struct tty_code	*codes;
1347 
1348 #define TERM_256COLOURS 0x1
1349 #define TERM_NOAM 0x2
1350 #define TERM_DECSLRM 0x4
1351 #define TERM_DECFRA 0x8
1352 #define TERM_RGBCOLOURS 0x10
1353 #define TERM_VT100LIKE 0x20
1354 #define TERM_SIXEL 0x40
1355 	int		 flags;
1356 
1357 	LIST_ENTRY(tty_term) entry;
1358 };
1359 LIST_HEAD(tty_terms, tty_term);
1360 
1361 /* Client terminal. */
1362 struct tty {
1363 	struct client	*client;
1364 	struct event	 start_timer;
1365 	struct event	 clipboard_timer;
1366 
1367 	u_int		 sx;
1368 	u_int		 sy;
1369 	u_int		 xpixel;
1370 	u_int		 ypixel;
1371 
1372 	u_int		 cx;
1373 	u_int		 cy;
1374 	enum screen_cursor_style cstyle;
1375 	int		 ccolour;
1376 
1377 	int		 oflag;
1378 	u_int		 oox;
1379 	u_int		 ooy;
1380 	u_int		 osx;
1381 	u_int		 osy;
1382 
1383 	int		 mode;
1384 	int              fg;
1385 	int              bg;
1386 
1387 	u_int		 rlower;
1388 	u_int		 rupper;
1389 
1390 	u_int		 rleft;
1391 	u_int		 rright;
1392 
1393 	struct event	 event_in;
1394 	struct evbuffer	*in;
1395 	struct event	 event_out;
1396 	struct evbuffer	*out;
1397 	struct event	 timer;
1398 	size_t		 discarded;
1399 
1400 	struct termios	 tio;
1401 
1402 	struct grid_cell cell;
1403 	struct grid_cell last_cell;
1404 
1405 #define TTY_NOCURSOR 0x1
1406 #define TTY_FREEZE 0x2
1407 #define TTY_TIMER 0x4
1408 #define TTY_NOBLOCK 0x8
1409 #define TTY_STARTED 0x10
1410 #define TTY_OPENED 0x20
1411 #define TTY_OSC52QUERY 0x40
1412 #define TTY_BLOCK 0x80
1413 #define TTY_HAVEDA 0x100 /* Primary DA. */
1414 #define TTY_HAVEXDA 0x200
1415 #define TTY_SYNCING 0x400
1416 #define TTY_HAVEDA2 0x800 /* Secondary DA. */
1417 #define TTY_HAVEFG 0x1000
1418 #define TTY_HAVEBG 0x2000
1419 #define TTY_ALL_REQUEST_FLAGS \
1420 	(TTY_HAVEDA|TTY_HAVEDA2|TTY_HAVEXDA|TTY_HAVEFG|TTY_HAVEBG)
1421 	int		 flags;
1422 
1423 	struct tty_term	*term;
1424 
1425 	u_int		 mouse_last_x;
1426 	u_int		 mouse_last_y;
1427 	u_int		 mouse_last_b;
1428 	int		 mouse_drag_flag;
1429 	void		(*mouse_drag_update)(struct client *,
1430 			    struct mouse_event *);
1431 	void		(*mouse_drag_release)(struct client *,
1432 			    struct mouse_event *);
1433 
1434 	struct event	 key_timer;
1435 	struct tty_key	*key_tree;
1436 };
1437 
1438 /* Terminal command context. */
1439 typedef void (*tty_ctx_redraw_cb)(const struct tty_ctx *);
1440 typedef int (*tty_ctx_set_client_cb)(struct tty_ctx *, struct client *);
1441 struct tty_ctx {
1442 	struct screen		*s;
1443 
1444 	tty_ctx_redraw_cb	 redraw_cb;
1445 	tty_ctx_set_client_cb	 set_client_cb;
1446 	void			*arg;
1447 
1448 	const struct grid_cell	*cell;
1449 	int			 wrapped;
1450 
1451 	u_int			 num;
1452 	void			*ptr;
1453 	void			*ptr2;
1454 
1455 	/*
1456 	 * Whether this command should be sent even when the pane is not
1457 	 * visible (used for a passthrough sequence when allow-passthrough is
1458 	 * "all").
1459 	 */
1460 	int			 allow_invisible_panes;
1461 
1462 	/*
1463 	 * Cursor and region position before the screen was updated - this is
1464 	 * where the command should be applied; the values in the screen have
1465 	 * already been updated.
1466 	 */
1467 	u_int			 ocx;
1468 	u_int			 ocy;
1469 
1470 	u_int			 orupper;
1471 	u_int			 orlower;
1472 
1473 	/* Target region (usually pane) offset and size. */
1474 	u_int			 xoff;
1475 	u_int			 yoff;
1476 	u_int			 rxoff;
1477 	u_int			 ryoff;
1478 	u_int			 sx;
1479 	u_int			 sy;
1480 
1481 	/* The background colour used for clearing (erasing). */
1482 	u_int			 bg;
1483 
1484 	/* The default colours and palette. */
1485 	struct grid_cell	 defaults;
1486 	struct colour_palette	*palette;
1487 
1488 	/* Containing region (usually window) offset and size. */
1489 	int			 bigger;
1490 	u_int			 wox;
1491 	u_int			 woy;
1492 	u_int			 wsx;
1493 	u_int			 wsy;
1494 };
1495 
1496 /* Saved message entry. */
1497 struct message_entry {
1498 	char				*msg;
1499 	u_int				 msg_num;
1500 	struct timeval			 msg_time;
1501 
1502 	TAILQ_ENTRY(message_entry)	 entry;
1503 };
1504 TAILQ_HEAD(message_list, message_entry);
1505 
1506 /* Argument type. */
1507 enum args_type {
1508 	ARGS_NONE,
1509 	ARGS_STRING,
1510 	ARGS_COMMANDS
1511 };
1512 
1513 /* Argument value. */
1514 struct args_value {
1515 	enum args_type		 type;
1516 	union {
1517 		char		*string;
1518 		struct cmd_list	*cmdlist;
1519 	};
1520 	char			*cached;
1521 	TAILQ_ENTRY(args_value)	 entry;
1522 };
1523 
1524 /* Arguments set. */
1525 struct args_entry;
1526 RB_HEAD(args_tree, args_entry);
1527 
1528 /* Arguments parsing type. */
1529 enum args_parse_type {
1530 	ARGS_PARSE_INVALID,
1531 	ARGS_PARSE_STRING,
1532 	ARGS_PARSE_COMMANDS_OR_STRING,
1533 	ARGS_PARSE_COMMANDS
1534 };
1535 
1536 /* Arguments parsing state. */
1537 typedef enum args_parse_type (*args_parse_cb)(struct args *, u_int, char **);
1538 struct args_parse {
1539 	const char	*template;
1540 	int		 lower;
1541 	int		 upper;
1542 	args_parse_cb	 cb;
1543 };
1544 
1545 /* Command find structures. */
1546 enum cmd_find_type {
1547 	CMD_FIND_PANE,
1548 	CMD_FIND_WINDOW,
1549 	CMD_FIND_SESSION,
1550 };
1551 struct cmd_find_state {
1552 	int			 flags;
1553 	struct cmd_find_state	*current;
1554 
1555 	struct session		*s;
1556 	struct winlink		*wl;
1557 	struct window		*w;
1558 	struct window_pane	*wp;
1559 	int			 idx;
1560 };
1561 
1562 /* Command find flags. */
1563 #define CMD_FIND_PREFER_UNATTACHED 0x1
1564 #define CMD_FIND_QUIET 0x2
1565 #define CMD_FIND_WINDOW_INDEX 0x4
1566 #define CMD_FIND_DEFAULT_MARKED 0x8
1567 #define CMD_FIND_EXACT_SESSION 0x10
1568 #define CMD_FIND_EXACT_WINDOW 0x20
1569 #define CMD_FIND_CANFAIL 0x40
1570 
1571 /* List of commands. */
1572 struct cmd_list {
1573 	int		 references;
1574 	u_int		 group;
1575 	struct cmds	*list;
1576 };
1577 
1578 /* Command return values. */
1579 enum cmd_retval {
1580 	CMD_RETURN_ERROR = -1,
1581 	CMD_RETURN_NORMAL = 0,
1582 	CMD_RETURN_WAIT,
1583 	CMD_RETURN_STOP
1584 };
1585 
1586 /* Command parse result. */
1587 enum cmd_parse_status {
1588 	CMD_PARSE_ERROR,
1589 	CMD_PARSE_SUCCESS
1590 };
1591 struct cmd_parse_result {
1592 	enum cmd_parse_status	 status;
1593 	struct cmd_list		*cmdlist;
1594 	char			*error;
1595 };
1596 struct cmd_parse_input {
1597 	int			 flags;
1598 #define CMD_PARSE_QUIET 0x1
1599 #define CMD_PARSE_PARSEONLY 0x2
1600 #define CMD_PARSE_NOALIAS 0x4
1601 #define CMD_PARSE_VERBOSE 0x8
1602 #define CMD_PARSE_ONEGROUP 0x10
1603 
1604 	const char		*file;
1605 	u_int			 line;
1606 
1607 	struct cmdq_item	*item;
1608 	struct client		*c;
1609 	struct cmd_find_state	 fs;
1610 };
1611 
1612 /* Command queue flags. */
1613 #define CMDQ_STATE_REPEAT 0x1
1614 #define CMDQ_STATE_CONTROL 0x2
1615 #define CMDQ_STATE_NOHOOKS 0x4
1616 
1617 /* Command queue callback. */
1618 typedef enum cmd_retval (*cmdq_cb) (struct cmdq_item *, void *);
1619 
1620 /* Command definition flag. */
1621 struct cmd_entry_flag {
1622 	char			 flag;
1623 	enum cmd_find_type	 type;
1624 	int			 flags;
1625 };
1626 
1627 /* Command definition. */
1628 struct cmd_entry {
1629 	const char		*name;
1630 	const char		*alias;
1631 
1632 	struct args_parse	 args;
1633 	const char		*usage;
1634 
1635 	struct cmd_entry_flag	 source;
1636 	struct cmd_entry_flag	 target;
1637 
1638 #define CMD_STARTSERVER 0x1
1639 #define CMD_READONLY 0x2
1640 #define CMD_AFTERHOOK 0x4
1641 #define CMD_CLIENT_CFLAG 0x8
1642 #define CMD_CLIENT_TFLAG 0x10
1643 #define CMD_CLIENT_CANFAIL 0x20
1644 	int		 flags;
1645 
1646 	enum cmd_retval	 (*exec)(struct cmd *, struct cmdq_item *);
1647 };
1648 
1649 /* Status line. */
1650 #define STATUS_LINES_LIMIT 5
1651 struct status_line_entry {
1652 	char			*expanded;
1653 	struct style_ranges	 ranges;
1654 };
1655 struct status_line {
1656 	struct event		 timer;
1657 
1658 	struct screen		 screen;
1659 	struct screen		*active;
1660 	int			 references;
1661 
1662 	struct grid_cell	 style;
1663 	struct status_line_entry entries[STATUS_LINES_LIMIT];
1664 };
1665 
1666 /* Prompt type. */
1667 #define PROMPT_NTYPES 4
1668 enum prompt_type {
1669 	PROMPT_TYPE_COMMAND,
1670 	PROMPT_TYPE_SEARCH,
1671 	PROMPT_TYPE_TARGET,
1672 	PROMPT_TYPE_WINDOW_TARGET,
1673 	PROMPT_TYPE_INVALID = 0xff
1674 };
1675 
1676 /* File in client. */
1677 typedef void (*client_file_cb) (struct client *, const char *, int, int,
1678     struct evbuffer *, void *);
1679 struct client_file {
1680 	struct client			*c;
1681 	struct tmuxpeer			*peer;
1682 	struct client_files		*tree;
1683 	int				 references;
1684 	int				 stream;
1685 
1686 	char				*path;
1687 	struct evbuffer			*buffer;
1688 	struct bufferevent		*event;
1689 
1690 	int				 fd;
1691 	int				 error;
1692 	int				 closed;
1693 
1694 	client_file_cb			 cb;
1695 	void				*data;
1696 
1697 	RB_ENTRY(client_file)		 entry;
1698 };
1699 RB_HEAD(client_files, client_file);
1700 
1701 /* Client window. */
1702 struct client_window {
1703 	u_int			 window;
1704 	struct window_pane	*pane;
1705 
1706 	u_int			 sx;
1707 	u_int			 sy;
1708 
1709 	RB_ENTRY(client_window)	 entry;
1710 };
1711 RB_HEAD(client_windows, client_window);
1712 
1713 /* Visible areas not obstructed by overlays. */
1714 #define OVERLAY_MAX_RANGES 3
1715 struct overlay_ranges {
1716 	u_int	px[OVERLAY_MAX_RANGES];
1717 	u_int	nx[OVERLAY_MAX_RANGES];
1718 };
1719 
1720 /* Client connection. */
1721 typedef int (*prompt_input_cb)(struct client *, void *, const char *, int);
1722 typedef void (*prompt_free_cb)(void *);
1723 typedef void (*overlay_check_cb)(struct client*, void *, u_int, u_int, u_int,
1724 	    struct overlay_ranges *);
1725 typedef struct screen *(*overlay_mode_cb)(struct client *, void *, u_int *,
1726 	    u_int *);
1727 typedef void (*overlay_draw_cb)(struct client *, void *,
1728 	    struct screen_redraw_ctx *);
1729 typedef int (*overlay_key_cb)(struct client *, void *, struct key_event *);
1730 typedef void (*overlay_free_cb)(struct client *, void *);
1731 typedef void (*overlay_resize_cb)(struct client *, void *);
1732 struct client {
1733 	const char		*name;
1734 	struct tmuxpeer		*peer;
1735 	struct cmdq_list	*queue;
1736 
1737 	struct client_windows	 windows;
1738 
1739 	struct control_state	*control_state;
1740 	u_int			 pause_age;
1741 
1742 	pid_t			 pid;
1743 	int			 fd;
1744 	int			 out_fd;
1745 	struct event		 event;
1746 	int			 retval;
1747 
1748 	struct timeval		 creation_time;
1749 	struct timeval		 activity_time;
1750 
1751 	struct environ		*environ;
1752 	struct format_job_tree	*jobs;
1753 
1754 	char			*title;
1755 	char			*path;
1756 	const char		*cwd;
1757 
1758 	char			*term_name;
1759 	int			 term_features;
1760 	char			*term_type;
1761 	char		       **term_caps;
1762 	u_int			 term_ncaps;
1763 
1764 	char			*ttyname;
1765 	struct tty		 tty;
1766 
1767 	size_t			 written;
1768 	size_t			 discarded;
1769 	size_t			 redraw;
1770 
1771 	struct event		 repeat_timer;
1772 
1773 	struct event		 click_timer;
1774 	u_int			 click_button;
1775 	struct mouse_event	 click_event;
1776 
1777 	struct status_line	 status;
1778 
1779 #define CLIENT_TERMINAL 0x1
1780 #define CLIENT_LOGIN 0x2
1781 #define CLIENT_EXIT 0x4
1782 #define CLIENT_REDRAWWINDOW 0x8
1783 #define CLIENT_REDRAWSTATUS 0x10
1784 #define CLIENT_REPEAT 0x20
1785 #define CLIENT_SUSPENDED 0x40
1786 #define CLIENT_ATTACHED 0x80
1787 #define CLIENT_EXITED 0x100
1788 #define CLIENT_DEAD 0x200
1789 #define CLIENT_REDRAWBORDERS 0x400
1790 #define CLIENT_READONLY 0x800
1791 #define CLIENT_NOSTARTSERVER 0x1000
1792 #define CLIENT_CONTROL 0x2000
1793 #define CLIENT_CONTROLCONTROL 0x4000
1794 #define CLIENT_FOCUSED 0x8000
1795 #define CLIENT_UTF8 0x10000
1796 #define CLIENT_IGNORESIZE 0x20000
1797 #define CLIENT_IDENTIFIED 0x40000
1798 #define CLIENT_STATUSFORCE 0x80000
1799 #define CLIENT_DOUBLECLICK 0x100000
1800 #define CLIENT_TRIPLECLICK 0x200000
1801 #define CLIENT_SIZECHANGED 0x400000
1802 #define CLIENT_STATUSOFF 0x800000
1803 #define CLIENT_REDRAWSTATUSALWAYS 0x1000000
1804 #define CLIENT_REDRAWOVERLAY 0x2000000
1805 #define CLIENT_CONTROL_NOOUTPUT 0x4000000
1806 #define CLIENT_DEFAULTSOCKET 0x8000000
1807 #define CLIENT_STARTSERVER 0x10000000
1808 #define CLIENT_REDRAWPANES 0x20000000
1809 #define CLIENT_NOFORK 0x40000000
1810 #define CLIENT_ACTIVEPANE 0x80000000ULL
1811 #define CLIENT_CONTROL_PAUSEAFTER 0x100000000ULL
1812 #define CLIENT_CONTROL_WAITEXIT 0x200000000ULL
1813 #define CLIENT_WINDOWSIZECHANGED 0x400000000ULL
1814 #define CLIENT_CLIPBOARDBUFFER 0x800000000ULL
1815 #define CLIENT_BRACKETPASTING 0x1000000000ULL
1816 #define CLIENT_ALLREDRAWFLAGS		\
1817 	(CLIENT_REDRAWWINDOW|		\
1818 	 CLIENT_REDRAWSTATUS|		\
1819 	 CLIENT_REDRAWSTATUSALWAYS|	\
1820 	 CLIENT_REDRAWBORDERS|		\
1821 	 CLIENT_REDRAWOVERLAY|		\
1822 	 CLIENT_REDRAWPANES)
1823 #define CLIENT_UNATTACHEDFLAGS	\
1824 	(CLIENT_DEAD|		\
1825 	 CLIENT_SUSPENDED|	\
1826 	 CLIENT_EXIT)
1827 #define CLIENT_NODETACHFLAGS	\
1828 	(CLIENT_DEAD|		\
1829 	 CLIENT_EXIT)
1830 #define CLIENT_NOSIZEFLAGS	\
1831 	(CLIENT_DEAD|		\
1832 	 CLIENT_SUSPENDED|	\
1833 	 CLIENT_EXIT)
1834 	uint64_t		 flags;
1835 
1836 	enum {
1837 		CLIENT_EXIT_RETURN,
1838 		CLIENT_EXIT_SHUTDOWN,
1839 		CLIENT_EXIT_DETACH
1840 	}			 exit_type;
1841 	enum msgtype		 exit_msgtype;
1842 	char			*exit_session;
1843 	char			*exit_message;
1844 
1845 	struct key_table	*keytable;
1846 
1847 	uint64_t		 redraw_panes;
1848 
1849 	int			 message_ignore_keys;
1850 	int			 message_ignore_styles;
1851 	char			*message_string;
1852 	struct event		 message_timer;
1853 
1854 	char			*prompt_string;
1855 	struct utf8_data	*prompt_buffer;
1856 	char			*prompt_last;
1857 	size_t			 prompt_index;
1858 	prompt_input_cb		 prompt_inputcb;
1859 	prompt_free_cb		 prompt_freecb;
1860 	void			*prompt_data;
1861 	u_int			 prompt_hindex[PROMPT_NTYPES];
1862 	enum {
1863 		PROMPT_ENTRY,
1864 		PROMPT_COMMAND
1865 	}			 prompt_mode;
1866 	struct utf8_data	*prompt_saved;
1867 #define PROMPT_SINGLE 0x1
1868 #define PROMPT_NUMERIC 0x2
1869 #define PROMPT_INCREMENTAL 0x4
1870 #define PROMPT_NOFORMAT 0x8
1871 #define PROMPT_KEY 0x10
1872 	int			 prompt_flags;
1873 	enum prompt_type	 prompt_type;
1874 	int			 prompt_cursor;
1875 
1876 	struct session		*session;
1877 	struct session		*last_session;
1878 
1879 	int			 references;
1880 
1881 	void			*pan_window;
1882 	u_int			 pan_ox;
1883 	u_int			 pan_oy;
1884 
1885 	overlay_check_cb	 overlay_check;
1886 	overlay_mode_cb		 overlay_mode;
1887 	overlay_draw_cb		 overlay_draw;
1888 	overlay_key_cb		 overlay_key;
1889 	overlay_free_cb		 overlay_free;
1890 	overlay_resize_cb	 overlay_resize;
1891 	void			*overlay_data;
1892 	struct event		 overlay_timer;
1893 
1894 	struct client_files	 files;
1895 
1896 	u_int			*clipboard_panes;
1897 	u_int			 clipboard_npanes;
1898 
1899 	TAILQ_ENTRY(client)	 entry;
1900 };
1901 TAILQ_HEAD(clients, client);
1902 
1903 /* Control mode subscription type. */
1904 enum control_sub_type {
1905 	CONTROL_SUB_SESSION,
1906 	CONTROL_SUB_PANE,
1907 	CONTROL_SUB_ALL_PANES,
1908 	CONTROL_SUB_WINDOW,
1909 	CONTROL_SUB_ALL_WINDOWS
1910 };
1911 
1912 /* Key binding and key table. */
1913 struct key_binding {
1914 	key_code		 key;
1915 	struct cmd_list		*cmdlist;
1916 	const char		*note;
1917 
1918 	int			 flags;
1919 #define KEY_BINDING_REPEAT 0x1
1920 
1921 	RB_ENTRY(key_binding)	 entry;
1922 };
1923 RB_HEAD(key_bindings, key_binding);
1924 
1925 struct key_table {
1926 	const char		*name;
1927 	struct key_bindings	 key_bindings;
1928 	struct key_bindings	 default_key_bindings;
1929 
1930 	u_int			 references;
1931 
1932 	RB_ENTRY(key_table)	 entry;
1933 };
1934 RB_HEAD(key_tables, key_table);
1935 
1936 /* Option data. */
1937 RB_HEAD(options_array, options_array_item);
1938 union options_value {
1939 	char			*string;
1940 	long long		 number;
1941 	struct style		 style;
1942 	struct options_array	 array;
1943 	struct cmd_list		*cmdlist;
1944 };
1945 
1946 /* Option table entries. */
1947 enum options_table_type {
1948 	OPTIONS_TABLE_STRING,
1949 	OPTIONS_TABLE_NUMBER,
1950 	OPTIONS_TABLE_KEY,
1951 	OPTIONS_TABLE_COLOUR,
1952 	OPTIONS_TABLE_FLAG,
1953 	OPTIONS_TABLE_CHOICE,
1954 	OPTIONS_TABLE_COMMAND
1955 };
1956 
1957 #define OPTIONS_TABLE_NONE 0
1958 #define OPTIONS_TABLE_SERVER 0x1
1959 #define OPTIONS_TABLE_SESSION 0x2
1960 #define OPTIONS_TABLE_WINDOW 0x4
1961 #define OPTIONS_TABLE_PANE 0x8
1962 
1963 #define OPTIONS_TABLE_IS_ARRAY 0x1
1964 #define OPTIONS_TABLE_IS_HOOK 0x2
1965 #define OPTIONS_TABLE_IS_STYLE 0x4
1966 
1967 struct options_table_entry {
1968 	const char		 *name;
1969 	const char		 *alternative_name;
1970 	enum options_table_type	  type;
1971 	int			  scope;
1972 	int			  flags;
1973 
1974 	u_int			  minimum;
1975 	u_int			  maximum;
1976 	const char		**choices;
1977 
1978 	const char		 *default_str;
1979 	long long		  default_num;
1980 	const char		**default_arr;
1981 
1982 	const char		 *separator;
1983 	const char		 *pattern;
1984 
1985 	const char		 *text;
1986 	const char		 *unit;
1987 };
1988 
1989 struct options_name_map {
1990 	const char		*from;
1991 	const char		*to;
1992 };
1993 
1994 /* Common command usages. */
1995 #define CMD_TARGET_PANE_USAGE "[-t target-pane]"
1996 #define CMD_TARGET_WINDOW_USAGE "[-t target-window]"
1997 #define CMD_TARGET_SESSION_USAGE "[-t target-session]"
1998 #define CMD_TARGET_CLIENT_USAGE "[-t target-client]"
1999 #define CMD_SRCDST_PANE_USAGE "[-s src-pane] [-t dst-pane]"
2000 #define CMD_SRCDST_WINDOW_USAGE "[-s src-window] [-t dst-window]"
2001 #define CMD_SRCDST_SESSION_USAGE "[-s src-session] [-t dst-session]"
2002 #define CMD_SRCDST_CLIENT_USAGE "[-s src-client] [-t dst-client]"
2003 #define CMD_BUFFER_USAGE "[-b buffer-name]"
2004 
2005 /* Spawn common context. */
2006 struct spawn_context {
2007 	struct cmdq_item	 *item;
2008 
2009 	struct session		 *s;
2010 	struct winlink		 *wl;
2011 	struct client		 *tc;
2012 
2013 	struct window_pane	 *wp0;
2014 	struct layout_cell	 *lc;
2015 
2016 	const char		 *name;
2017 	char			**argv;
2018 	int			  argc;
2019 	struct environ		 *environ;
2020 
2021 	int			  idx;
2022 	const char		 *cwd;
2023 
2024 	int			  flags;
2025 #define SPAWN_KILL 0x1
2026 #define SPAWN_DETACHED 0x2
2027 #define SPAWN_RESPAWN 0x4
2028 #define SPAWN_BEFORE 0x8
2029 #define SPAWN_NONOTIFY 0x10
2030 #define SPAWN_FULLSIZE 0x20
2031 #define SPAWN_EMPTY 0x40
2032 #define SPAWN_ZOOM 0x80
2033 };
2034 
2035 /* Mode tree sort order. */
2036 struct mode_tree_sort_criteria {
2037 	u_int	field;
2038 	int	reversed;
2039 };
2040 
2041 /* tmux.c */
2042 extern struct options	*global_options;
2043 extern struct options	*global_s_options;
2044 extern struct options	*global_w_options;
2045 extern struct environ	*global_environ;
2046 extern struct timeval	 start_time;
2047 extern const char	*socket_path;
2048 extern const char	*shell_command;
2049 extern int		 ptm_fd;
2050 extern const char	*shell_command;
2051 int		 checkshell(const char *);
2052 void		 setblocking(int, int);
2053 uint64_t	 get_timer(void);
2054 const char	*sig2name(int);
2055 const char	*find_cwd(void);
2056 const char	*find_home(void);
2057 const char	*getversion(void);
2058 
2059 /* proc.c */
2060 struct imsg;
2061 int	proc_send(struct tmuxpeer *, enum msgtype, int, const void *, size_t);
2062 struct tmuxproc *proc_start(const char *);
2063 void	proc_loop(struct tmuxproc *, int (*)(void));
2064 void	proc_exit(struct tmuxproc *);
2065 void	proc_set_signals(struct tmuxproc *, void(*)(int));
2066 void	proc_clear_signals(struct tmuxproc *, int);
2067 struct tmuxpeer *proc_add_peer(struct tmuxproc *, int,
2068 	    void (*)(struct imsg *, void *), void *);
2069 void	proc_remove_peer(struct tmuxpeer *);
2070 void	proc_kill_peer(struct tmuxpeer *);
2071 void	proc_flush_peer(struct tmuxpeer *);
2072 void	proc_toggle_log(struct tmuxproc *);
2073 pid_t	proc_fork_and_daemon(int *);
2074 uid_t	proc_get_peer_uid(struct tmuxpeer *);
2075 
2076 /* cfg.c */
2077 extern int cfg_finished;
2078 extern struct client *cfg_client;
2079 extern char **cfg_files;
2080 extern u_int cfg_nfiles;
2081 extern int cfg_quiet;
2082 void	start_cfg(void);
2083 int	load_cfg(const char *, struct client *, struct cmdq_item *, int,
2084 	    struct cmdq_item **);
2085 int	load_cfg_from_buffer(const void *, size_t, const char *,
2086 	    struct client *, struct cmdq_item *, int, struct cmdq_item **);
2087 void printflike(1, 2) cfg_add_cause(const char *, ...);
2088 void	cfg_print_causes(struct cmdq_item *);
2089 void	cfg_show_causes(struct session *);
2090 
2091 /* paste.c */
2092 struct paste_buffer;
2093 const char	*paste_buffer_name(struct paste_buffer *);
2094 u_int		 paste_buffer_order(struct paste_buffer *);
2095 time_t		 paste_buffer_created(struct paste_buffer *);
2096 const char	*paste_buffer_data(struct paste_buffer *, size_t *);
2097 struct paste_buffer *paste_walk(struct paste_buffer *);
2098 int		 paste_is_empty(void);
2099 struct paste_buffer *paste_get_top(const char **);
2100 struct paste_buffer *paste_get_name(const char *);
2101 void		 paste_free(struct paste_buffer *);
2102 void		 paste_add(const char *, char *, size_t);
2103 int		 paste_rename(const char *, const char *, char **);
2104 int		 paste_set(char *, size_t, const char *, char **);
2105 void		 paste_replace(struct paste_buffer *, char *, size_t);
2106 char		*paste_make_sample(struct paste_buffer *);
2107 
2108 /* format.c */
2109 #define FORMAT_STATUS 0x1
2110 #define FORMAT_FORCE 0x2
2111 #define FORMAT_NOJOBS 0x4
2112 #define FORMAT_VERBOSE 0x8
2113 #define FORMAT_NONE 0
2114 #define FORMAT_PANE 0x80000000U
2115 #define FORMAT_WINDOW 0x40000000U
2116 struct format_tree;
2117 struct format_modifier;
2118 typedef void *(*format_cb)(struct format_tree *);
2119 void		 format_tidy_jobs(void);
2120 const char	*format_skip(const char *, const char *);
2121 int		 format_true(const char *);
2122 struct format_tree *format_create(struct client *, struct cmdq_item *, int,
2123 		     int);
2124 void		 format_free(struct format_tree *);
2125 void		 format_merge(struct format_tree *, struct format_tree *);
2126 struct window_pane *format_get_pane(struct format_tree *);
2127 void printflike(3, 4) format_add(struct format_tree *, const char *,
2128 		     const char *, ...);
2129 void		 format_add_tv(struct format_tree *, const char *,
2130 		     struct timeval *);
2131 void		 format_add_cb(struct format_tree *, const char *, format_cb);
2132 void		 format_log_debug(struct format_tree *, const char *);
2133 void		 format_each(struct format_tree *, void (*)(const char *,
2134 		     const char *, void *), void *);
2135 char		*format_pretty_time(time_t, int);
2136 char		*format_expand_time(struct format_tree *, const char *);
2137 char		*format_expand(struct format_tree *, const char *);
2138 char		*format_single(struct cmdq_item *, const char *,
2139 		     struct client *, struct session *, struct winlink *,
2140 		     struct window_pane *);
2141 char		*format_single_from_state(struct cmdq_item *, const char *,
2142 		    struct client *, struct cmd_find_state *);
2143 char		*format_single_from_target(struct cmdq_item *, const char *);
2144 struct format_tree *format_create_defaults(struct cmdq_item *, struct client *,
2145 		     struct session *, struct winlink *, struct window_pane *);
2146 struct format_tree *format_create_from_state(struct cmdq_item *,
2147 		     struct client *, struct cmd_find_state *);
2148 struct format_tree *format_create_from_target(struct cmdq_item *);
2149 void		 format_defaults(struct format_tree *, struct client *,
2150 		     struct session *, struct winlink *, struct window_pane *);
2151 void		 format_defaults_window(struct format_tree *, struct window *);
2152 void		 format_defaults_pane(struct format_tree *,
2153 		     struct window_pane *);
2154 void		 format_defaults_paste_buffer(struct format_tree *,
2155 		     struct paste_buffer *);
2156 void		 format_lost_client(struct client *);
2157 char		*format_grid_word(struct grid *, u_int, u_int);
2158 char		*format_grid_hyperlink(struct grid *, u_int, u_int,
2159 		     struct screen *);
2160 char		*format_grid_line(struct grid *, u_int);
2161 
2162 /* format-draw.c */
2163 void		 format_draw(struct screen_write_ctx *,
2164 		     const struct grid_cell *, u_int, const char *,
2165 		     struct style_ranges *, int);
2166 u_int		 format_width(const char *);
2167 char		*format_trim_left(const char *, u_int);
2168 char		*format_trim_right(const char *, u_int);
2169 
2170 /* notify.c */
2171 void	notify_hook(struct cmdq_item *, const char *);
2172 void	notify_client(const char *, struct client *);
2173 void	notify_session(const char *, struct session *);
2174 void	notify_winlink(const char *, struct winlink *);
2175 void	notify_session_window(const char *, struct session *, struct window *);
2176 void	notify_window(const char *, struct window *);
2177 void	notify_pane(const char *, struct window_pane *);
2178 void	notify_paste_buffer(const char *, int);
2179 
2180 /* options.c */
2181 struct options	*options_create(struct options *);
2182 void		 options_free(struct options *);
2183 struct options	*options_get_parent(struct options *);
2184 void		 options_set_parent(struct options *, struct options *);
2185 struct options_entry *options_first(struct options *);
2186 struct options_entry *options_next(struct options_entry *);
2187 struct options_entry *options_empty(struct options *,
2188 		     const struct options_table_entry *);
2189 struct options_entry *options_default(struct options *,
2190 		     const struct options_table_entry *);
2191 char		*options_default_to_string(const struct options_table_entry *);
2192 const char	*options_name(struct options_entry *);
2193 struct options	*options_owner(struct options_entry *);
2194 const struct options_table_entry *options_table_entry(struct options_entry *);
2195 struct options_entry *options_get_only(struct options *, const char *);
2196 struct options_entry *options_get(struct options *, const char *);
2197 void		 options_array_clear(struct options_entry *);
2198 union options_value *options_array_get(struct options_entry *, u_int);
2199 int		 options_array_set(struct options_entry *, u_int, const char *,
2200 		     int, char **);
2201 int		 options_array_assign(struct options_entry *, const char *,
2202 		     char **);
2203 struct options_array_item *options_array_first(struct options_entry *);
2204 struct options_array_item *options_array_next(struct options_array_item *);
2205 u_int		 options_array_item_index(struct options_array_item *);
2206 union options_value *options_array_item_value(struct options_array_item *);
2207 int		 options_is_array(struct options_entry *);
2208 int		 options_is_string(struct options_entry *);
2209 char		*options_to_string(struct options_entry *, int, int);
2210 char		*options_parse(const char *, int *);
2211 struct options_entry *options_parse_get(struct options *, const char *, int *,
2212 		     int);
2213 char		*options_match(const char *, int *, int *);
2214 struct options_entry *options_match_get(struct options *, const char *, int *,
2215 		     int, int *);
2216 const char	*options_get_string(struct options *, const char *);
2217 long long	 options_get_number(struct options *, const char *);
2218 struct options_entry * printflike(4, 5) options_set_string(struct options *,
2219 		     const char *, int, const char *, ...);
2220 struct options_entry *options_set_number(struct options *, const char *,
2221 		     long long);
2222 int		 options_scope_from_name(struct args *, int,
2223 		     const char *, struct cmd_find_state *, struct options **,
2224 		     char **);
2225 int		 options_scope_from_flags(struct args *, int,
2226 		     struct cmd_find_state *, struct options **, char **);
2227 struct style	*options_string_to_style(struct options *, const char *,
2228 		     struct format_tree *);
2229 int		 options_from_string(struct options *,
2230 		     const struct options_table_entry *, const char *,
2231 		     const char *, int, char **);
2232 int	 	 options_find_choice(const struct options_table_entry *,
2233 		     const char *, char **);
2234 void		 options_push_changes(const char *);
2235 int		 options_remove_or_default(struct options_entry *, int,
2236 		     char **);
2237 
2238 /* options-table.c */
2239 extern const struct options_table_entry	options_table[];
2240 extern const struct options_name_map	options_other_names[];
2241 
2242 /* job.c */
2243 typedef void (*job_update_cb) (struct job *);
2244 typedef void (*job_complete_cb) (struct job *);
2245 typedef void (*job_free_cb) (void *);
2246 #define JOB_NOWAIT 0x1
2247 #define JOB_KEEPWRITE 0x2
2248 #define JOB_PTY 0x4
2249 struct job	*job_run(const char *, int, char **, struct environ *,
2250 		     struct session *, const char *, job_update_cb,
2251 		     job_complete_cb, job_free_cb, void *, int, int, int);
2252 void		 job_free(struct job *);
2253 int		 job_transfer(struct job *, pid_t *, char *, size_t);
2254 void		 job_resize(struct job *, u_int, u_int);
2255 void		 job_check_died(pid_t, int);
2256 int		 job_get_status(struct job *);
2257 void		*job_get_data(struct job *);
2258 struct bufferevent *job_get_event(struct job *);
2259 void		 job_kill_all(void);
2260 int		 job_still_running(void);
2261 void		 job_print_summary(struct cmdq_item *, int);
2262 
2263 /* environ.c */
2264 struct environ *environ_create(void);
2265 void	environ_free(struct environ *);
2266 struct environ_entry *environ_first(struct environ *);
2267 struct environ_entry *environ_next(struct environ_entry *);
2268 void	environ_copy(struct environ *, struct environ *);
2269 struct environ_entry *environ_find(struct environ *, const char *);
2270 void printflike(4, 5) environ_set(struct environ *, const char *, int,
2271 	    const char *, ...);
2272 void	environ_clear(struct environ *, const char *);
2273 void	environ_put(struct environ *, const char *, int);
2274 void	environ_unset(struct environ *, const char *);
2275 void	environ_update(struct options *, struct environ *, struct environ *);
2276 void	environ_push(struct environ *);
2277 void printflike(2, 3) environ_log(struct environ *, const char *, ...);
2278 struct environ *environ_for_session(struct session *, int);
2279 
2280 /* tty.c */
2281 void	tty_create_log(void);
2282 int	tty_window_bigger(struct tty *);
2283 int	tty_window_offset(struct tty *, u_int *, u_int *, u_int *, u_int *);
2284 void	tty_update_window_offset(struct window *);
2285 void	tty_update_client_offset(struct client *);
2286 void	tty_raw(struct tty *, const char *);
2287 void	tty_attributes(struct tty *, const struct grid_cell *,
2288 	    const struct grid_cell *, struct colour_palette *,
2289 	    struct hyperlinks *);
2290 void	tty_reset(struct tty *);
2291 void	tty_region_off(struct tty *);
2292 void	tty_margin_off(struct tty *);
2293 void	tty_cursor(struct tty *, u_int, u_int);
2294 void	tty_clipboard_query(struct tty *);
2295 void	tty_putcode(struct tty *, enum tty_code_code);
2296 void	tty_putcode1(struct tty *, enum tty_code_code, int);
2297 void	tty_putcode2(struct tty *, enum tty_code_code, int, int);
2298 void	tty_putcode3(struct tty *, enum tty_code_code, int, int, int);
2299 void	tty_putcode_ptr1(struct tty *, enum tty_code_code, const void *);
2300 void	tty_putcode_ptr2(struct tty *, enum tty_code_code, const void *,
2301 	    const void *);
2302 void	tty_puts(struct tty *, const char *);
2303 void	tty_putc(struct tty *, u_char);
2304 void	tty_putn(struct tty *, const void *, size_t, u_int);
2305 void	tty_cell(struct tty *, const struct grid_cell *,
2306 	    const struct grid_cell *, struct colour_palette *,
2307 	    struct hyperlinks *);
2308 int	tty_init(struct tty *, struct client *);
2309 void	tty_resize(struct tty *);
2310 void	tty_set_size(struct tty *, u_int, u_int, u_int, u_int);
2311 void	tty_start_tty(struct tty *);
2312 void	tty_send_requests(struct tty *);
2313 void	tty_stop_tty(struct tty *);
2314 void	tty_set_title(struct tty *, const char *);
2315 void	tty_set_path(struct tty *, const char *);
2316 void	tty_update_mode(struct tty *, int, struct screen *);
2317 void	tty_draw_line(struct tty *, struct screen *, u_int, u_int, u_int,
2318 	    u_int, u_int, const struct grid_cell *, struct colour_palette *);
2319 void	tty_sync_start(struct tty *);
2320 void	tty_sync_end(struct tty *);
2321 int	tty_open(struct tty *, char **);
2322 void	tty_close(struct tty *);
2323 void	tty_free(struct tty *);
2324 void	tty_update_features(struct tty *);
2325 void	tty_set_selection(struct tty *, const char *, const char *, size_t);
2326 void	tty_write(void (*)(struct tty *, const struct tty_ctx *),
2327 	    struct tty_ctx *);
2328 void	tty_cmd_alignmenttest(struct tty *, const struct tty_ctx *);
2329 void	tty_cmd_cell(struct tty *, const struct tty_ctx *);
2330 void	tty_cmd_cells(struct tty *, const struct tty_ctx *);
2331 void	tty_cmd_clearendofline(struct tty *, const struct tty_ctx *);
2332 void	tty_cmd_clearendofscreen(struct tty *, const struct tty_ctx *);
2333 void	tty_cmd_clearline(struct tty *, const struct tty_ctx *);
2334 void	tty_cmd_clearscreen(struct tty *, const struct tty_ctx *);
2335 void	tty_cmd_clearstartofline(struct tty *, const struct tty_ctx *);
2336 void	tty_cmd_clearstartofscreen(struct tty *, const struct tty_ctx *);
2337 void	tty_cmd_deletecharacter(struct tty *, const struct tty_ctx *);
2338 void	tty_cmd_clearcharacter(struct tty *, const struct tty_ctx *);
2339 void	tty_cmd_deleteline(struct tty *, const struct tty_ctx *);
2340 void	tty_cmd_erasecharacter(struct tty *, const struct tty_ctx *);
2341 void	tty_cmd_insertcharacter(struct tty *, const struct tty_ctx *);
2342 void	tty_cmd_insertline(struct tty *, const struct tty_ctx *);
2343 void	tty_cmd_linefeed(struct tty *, const struct tty_ctx *);
2344 void	tty_cmd_scrollup(struct tty *, const struct tty_ctx *);
2345 void	tty_cmd_scrolldown(struct tty *, const struct tty_ctx *);
2346 void	tty_cmd_reverseindex(struct tty *, const struct tty_ctx *);
2347 void	tty_cmd_setselection(struct tty *, const struct tty_ctx *);
2348 void	tty_cmd_rawstring(struct tty *, const struct tty_ctx *);
2349 void	tty_cmd_syncstart(struct tty *, const struct tty_ctx *);
2350 void	tty_default_colours(struct grid_cell *, struct window_pane *);
2351 
2352 /* tty-term.c */
2353 extern struct tty_terms tty_terms;
2354 u_int		 tty_term_ncodes(void);
2355 void		 tty_term_apply(struct tty_term *, const char *, int);
2356 void		 tty_term_apply_overrides(struct tty_term *);
2357 struct tty_term *tty_term_create(struct tty *, char *, char **, u_int, int *,
2358 		     char **);
2359 void		 tty_term_free(struct tty_term *);
2360 int		 tty_term_read_list(const char *, int, char ***, u_int *,
2361 		     char **);
2362 void		 tty_term_free_list(char **, u_int);
2363 int		 tty_term_has(struct tty_term *, enum tty_code_code);
2364 const char	*tty_term_string(struct tty_term *, enum tty_code_code);
2365 const char	*tty_term_string1(struct tty_term *, enum tty_code_code, int);
2366 const char	*tty_term_string2(struct tty_term *, enum tty_code_code, int,
2367 		     int);
2368 const char	*tty_term_string3(struct tty_term *, enum tty_code_code, int,
2369 		     int, int);
2370 const char	*tty_term_ptr1(struct tty_term *, enum tty_code_code,
2371 		     const void *);
2372 const char	*tty_term_ptr2(struct tty_term *, enum tty_code_code,
2373 		     const void *, const void *);
2374 int		 tty_term_number(struct tty_term *, enum tty_code_code);
2375 int		 tty_term_flag(struct tty_term *, enum tty_code_code);
2376 const char	*tty_term_describe(struct tty_term *, enum tty_code_code);
2377 
2378 /* tty-features.c */
2379 void		 tty_add_features(int *, const char *, const char *);
2380 const char	*tty_get_features(int);
2381 int		 tty_apply_features(struct tty_term *, int);
2382 void		 tty_default_features(int *, const char *, u_int);
2383 
2384 /* tty-acs.c */
2385 int		 tty_acs_needed(struct tty *);
2386 const char	*tty_acs_get(struct tty *, u_char);
2387 int		 tty_acs_reverse_get(struct tty *, const char *, size_t);
2388 const struct utf8_data *tty_acs_double_borders(int);
2389 const struct utf8_data *tty_acs_heavy_borders(int);
2390 const struct utf8_data *tty_acs_rounded_borders(int);
2391 
2392 /* tty-keys.c */
2393 void		tty_keys_build(struct tty *);
2394 void		tty_keys_free(struct tty *);
2395 int		tty_keys_next(struct tty *);
2396 
2397 /* arguments.c */
2398 void		 args_set(struct args *, u_char, struct args_value *, int);
2399 struct args 	*args_create(void);
2400 struct args	*args_parse(const struct args_parse *, struct args_value *,
2401 		     u_int, char **);
2402 struct args	*args_copy(struct args *, int, char **);
2403 void		 args_to_vector(struct args *, int *, char ***);
2404 struct args_value *args_from_vector(int, char **);
2405 void		 args_free_value(struct args_value *);
2406 void		 args_free_values(struct args_value *, u_int);
2407 void		 args_free(struct args *);
2408 char		*args_print(struct args *);
2409 char		*args_escape(const char *);
2410 int		 args_has(struct args *, u_char);
2411 const char	*args_get(struct args *, u_char);
2412 u_char		 args_first(struct args *, struct args_entry **);
2413 u_char		 args_next(struct args_entry **);
2414 u_int		 args_count(struct args *);
2415 struct args_value *args_values(struct args *);
2416 struct args_value *args_value(struct args *, u_int);
2417 const char	*args_string(struct args *, u_int);
2418 struct cmd_list	*args_make_commands_now(struct cmd *, struct cmdq_item *,
2419 		     u_int, int);
2420 struct args_command_state *args_make_commands_prepare(struct cmd *,
2421 		     struct cmdq_item *, u_int, const char *, int, int);
2422 struct cmd_list *args_make_commands(struct args_command_state *, int, char **,
2423 		     char **);
2424 void		 args_make_commands_free(struct args_command_state *);
2425 char		*args_make_commands_get_command(struct args_command_state *);
2426 struct args_value *args_first_value(struct args *, u_char);
2427 struct args_value *args_next_value(struct args_value *);
2428 long long	 args_strtonum(struct args *, u_char, long long, long long,
2429 		     char **);
2430 long long	 args_strtonum_and_expand(struct args *, u_char, long long,
2431 		     long long, struct cmdq_item *, char **);
2432 long long	 args_percentage(struct args *, u_char, long long,
2433 		     long long, long long, char **);
2434 long long	 args_string_percentage(const char *, long long, long long,
2435 		     long long, char **);
2436 long long	 args_percentage_and_expand(struct args *, u_char, long long,
2437 		     long long, long long, struct cmdq_item *, char **);
2438 long long	 args_string_percentage_and_expand(const char *, long long,
2439 		     long long, long long, struct cmdq_item *, char **);
2440 
2441 /* cmd-find.c */
2442 int		 cmd_find_target(struct cmd_find_state *, struct cmdq_item *,
2443 		     const char *, enum cmd_find_type, int);
2444 struct client	*cmd_find_best_client(struct session *);
2445 struct client	*cmd_find_client(struct cmdq_item *, const char *, int);
2446 void		 cmd_find_clear_state(struct cmd_find_state *, int);
2447 int		 cmd_find_empty_state(struct cmd_find_state *);
2448 int		 cmd_find_valid_state(struct cmd_find_state *);
2449 void		 cmd_find_copy_state(struct cmd_find_state *,
2450 		     struct cmd_find_state *);
2451 void		 cmd_find_from_session(struct cmd_find_state *,
2452 		     struct session *, int);
2453 void		 cmd_find_from_winlink(struct cmd_find_state *,
2454 		     struct winlink *, int);
2455 int		 cmd_find_from_session_window(struct cmd_find_state *,
2456 		     struct session *, struct window *, int);
2457 int		 cmd_find_from_window(struct cmd_find_state *, struct window *,
2458 		     int);
2459 void		 cmd_find_from_winlink_pane(struct cmd_find_state *,
2460 		     struct winlink *, struct window_pane *, int);
2461 int		 cmd_find_from_pane(struct cmd_find_state *,
2462 		     struct window_pane *, int);
2463 int		 cmd_find_from_client(struct cmd_find_state *, struct client *,
2464 		     int);
2465 int		 cmd_find_from_mouse(struct cmd_find_state *,
2466 		     struct mouse_event *, int);
2467 int		 cmd_find_from_nothing(struct cmd_find_state *, int);
2468 
2469 /* cmd.c */
2470 extern const struct cmd_entry *cmd_table[];
2471 void printflike(3, 4) cmd_log_argv(int, char **, const char *, ...);
2472 void		 cmd_prepend_argv(int *, char ***, const char *);
2473 void		 cmd_append_argv(int *, char ***, const char *);
2474 int		 cmd_pack_argv(int, char **, char *, size_t);
2475 int		 cmd_unpack_argv(char *, size_t, int, char ***);
2476 char	       **cmd_copy_argv(int, char **);
2477 void		 cmd_free_argv(int, char **);
2478 char		*cmd_stringify_argv(int, char **);
2479 char		*cmd_get_alias(const char *);
2480 const struct cmd_entry *cmd_get_entry(struct cmd *);
2481 struct args	*cmd_get_args(struct cmd *);
2482 u_int		 cmd_get_group(struct cmd *);
2483 void		 cmd_get_source(struct cmd *, const char **, u_int *);
2484 struct cmd	*cmd_parse(struct args_value *, u_int, const char *, u_int,
2485 		     char **);
2486 struct cmd	*cmd_copy(struct cmd *, int, char **);
2487 void		 cmd_free(struct cmd *);
2488 char		*cmd_print(struct cmd *);
2489 struct cmd_list	*cmd_list_new(void);
2490 struct cmd_list	*cmd_list_copy(struct cmd_list *, int, char **);
2491 void		 cmd_list_append(struct cmd_list *, struct cmd *);
2492 void		 cmd_list_append_all(struct cmd_list *, struct cmd_list *);
2493 void		 cmd_list_move(struct cmd_list *, struct cmd_list *);
2494 void		 cmd_list_free(struct cmd_list *);
2495 char		*cmd_list_print(struct cmd_list *, int);
2496 struct cmd	*cmd_list_first(struct cmd_list *);
2497 struct cmd	*cmd_list_next(struct cmd *);
2498 int		 cmd_list_all_have(struct cmd_list *, int);
2499 int		 cmd_list_any_have(struct cmd_list *, int);
2500 int		 cmd_mouse_at(struct window_pane *, struct mouse_event *,
2501 		     u_int *, u_int *, int);
2502 struct winlink	*cmd_mouse_window(struct mouse_event *, struct session **);
2503 struct window_pane *cmd_mouse_pane(struct mouse_event *, struct session **,
2504 		     struct winlink **);
2505 char		*cmd_template_replace(const char *, const char *, int);
2506 
2507 /* cmd-attach-session.c */
2508 enum cmd_retval	 cmd_attach_session(struct cmdq_item *, const char *, int, int,
2509 		     int, const char *, int, const char *);
2510 
2511 /* cmd-parse.c */
2512 void		 cmd_parse_empty(struct cmd_parse_input *);
2513 struct cmd_parse_result *cmd_parse_from_file(FILE *, struct cmd_parse_input *);
2514 struct cmd_parse_result *cmd_parse_from_string(const char *,
2515 		     struct cmd_parse_input *);
2516 enum cmd_parse_status cmd_parse_and_insert(const char *,
2517 		     struct cmd_parse_input *, struct cmdq_item *,
2518 		     struct cmdq_state *, char **);
2519 enum cmd_parse_status cmd_parse_and_append(const char *,
2520 		     struct cmd_parse_input *, struct client *,
2521 		     struct cmdq_state *, char **);
2522 struct cmd_parse_result *cmd_parse_from_buffer(const void *, size_t,
2523 		     struct cmd_parse_input *);
2524 struct cmd_parse_result *cmd_parse_from_arguments(struct args_value *, u_int,
2525 		     struct cmd_parse_input *);
2526 
2527 /* cmd-queue.c */
2528 struct cmdq_state *cmdq_new_state(struct cmd_find_state *, struct key_event *,
2529 		     int);
2530 struct cmdq_state *cmdq_link_state(struct cmdq_state *);
2531 struct cmdq_state *cmdq_copy_state(struct cmdq_state *);
2532 void		  cmdq_free_state(struct cmdq_state *);
2533 void printflike(3, 4) cmdq_add_format(struct cmdq_state *, const char *,
2534 		     const char *, ...);
2535 void		  cmdq_add_formats(struct cmdq_state *, struct format_tree *);
2536 void		  cmdq_merge_formats(struct cmdq_item *, struct format_tree *);
2537 struct cmdq_list *cmdq_new(void);
2538 void cmdq_free(struct cmdq_list *);
2539 const char	 *cmdq_get_name(struct cmdq_item *);
2540 struct client	 *cmdq_get_client(struct cmdq_item *);
2541 struct client	 *cmdq_get_target_client(struct cmdq_item *);
2542 struct cmdq_state *cmdq_get_state(struct cmdq_item *);
2543 struct cmd_find_state *cmdq_get_target(struct cmdq_item *);
2544 struct cmd_find_state *cmdq_get_source(struct cmdq_item *);
2545 struct key_event *cmdq_get_event(struct cmdq_item *);
2546 struct cmd_find_state *cmdq_get_current(struct cmdq_item *);
2547 int		  cmdq_get_flags(struct cmdq_item *);
2548 struct cmdq_item *cmdq_get_command(struct cmd_list *, struct cmdq_state *);
2549 #define cmdq_get_callback(cb, data) cmdq_get_callback1(#cb, cb, data)
2550 struct cmdq_item *cmdq_get_callback1(const char *, cmdq_cb, void *);
2551 struct cmdq_item *cmdq_get_error(const char *);
2552 struct cmdq_item *cmdq_insert_after(struct cmdq_item *, struct cmdq_item *);
2553 struct cmdq_item *cmdq_append(struct client *, struct cmdq_item *);
2554 void printflike(4, 5) cmdq_insert_hook(struct session *, struct cmdq_item *,
2555 		     struct cmd_find_state *, const char *, ...);
2556 void		 cmdq_continue(struct cmdq_item *);
2557 u_int		 cmdq_next(struct client *);
2558 struct cmdq_item *cmdq_running(struct client *);
2559 void		 cmdq_guard(struct cmdq_item *, const char *, int);
2560 void printflike(2, 3) cmdq_print(struct cmdq_item *, const char *, ...);
2561 void 		 cmdq_print_data(struct cmdq_item *, int, struct evbuffer *);
2562 void printflike(2, 3) cmdq_error(struct cmdq_item *, const char *, ...);
2563 
2564 /* cmd-wait-for.c */
2565 void	cmd_wait_for_flush(void);
2566 
2567 /* client.c */
2568 int	client_main(struct event_base *, int, char **, uint64_t, int);
2569 
2570 /* key-bindings.c */
2571 struct key_table *key_bindings_get_table(const char *, int);
2572 struct key_table *key_bindings_first_table(void);
2573 struct key_table *key_bindings_next_table(struct key_table *);
2574 void	 key_bindings_unref_table(struct key_table *);
2575 struct key_binding *key_bindings_get(struct key_table *, key_code);
2576 struct key_binding *key_bindings_get_default(struct key_table *, key_code);
2577 struct key_binding *key_bindings_first(struct key_table *);
2578 struct key_binding *key_bindings_next(struct key_table *, struct key_binding *);
2579 void	 key_bindings_add(const char *, key_code, const char *, int,
2580 	     struct cmd_list *);
2581 void	 key_bindings_remove(const char *, key_code);
2582 void	 key_bindings_reset(const char *, key_code);
2583 void	 key_bindings_remove_table(const char *);
2584 void	 key_bindings_reset_table(const char *);
2585 void	 key_bindings_init(void);
2586 struct cmdq_item *key_bindings_dispatch(struct key_binding *,
2587 	     struct cmdq_item *, struct client *, struct key_event *,
2588 	     struct cmd_find_state *);
2589 
2590 /* key-string.c */
2591 key_code	 key_string_lookup_string(const char *);
2592 const char	*key_string_lookup_key(key_code, int);
2593 
2594 /* alerts.c */
2595 void	alerts_reset_all(void);
2596 void	alerts_queue(struct window *, int);
2597 void	alerts_check_session(struct session *);
2598 
2599 /* file.c */
2600 int	 file_cmp(struct client_file *, struct client_file *);
2601 RB_PROTOTYPE(client_files, client_file, entry, file_cmp);
2602 struct client_file *file_create_with_peer(struct tmuxpeer *,
2603 	    struct client_files *, int, client_file_cb, void *);
2604 struct client_file *file_create_with_client(struct client *, int,
2605 	    client_file_cb, void *);
2606 void	 file_free(struct client_file *);
2607 void	 file_fire_done(struct client_file *);
2608 void	 file_fire_read(struct client_file *);
2609 int	 file_can_print(struct client *);
2610 void printflike(2, 3) file_print(struct client *, const char *, ...);
2611 void printflike(2, 0) file_vprint(struct client *, const char *, va_list);
2612 void	 file_print_buffer(struct client *, void *, size_t);
2613 void printflike(2, 3) file_error(struct client *, const char *, ...);
2614 void	 file_write(struct client *, const char *, int, const void *, size_t,
2615 	     client_file_cb, void *);
2616 struct client_file *file_read(struct client *, const char *, client_file_cb,
2617 	     void *);
2618 void	 file_cancel(struct client_file *);
2619 void	 file_push(struct client_file *);
2620 int	 file_write_left(struct client_files *);
2621 void	 file_write_open(struct client_files *, struct tmuxpeer *,
2622 	     struct imsg *, int, int, client_file_cb, void *);
2623 void	 file_write_data(struct client_files *, struct imsg *);
2624 void	 file_write_close(struct client_files *, struct imsg *);
2625 void	 file_read_open(struct client_files *, struct tmuxpeer *, struct imsg *,
2626 	     int, int, client_file_cb, void *);
2627 void	 file_write_ready(struct client_files *, struct imsg *);
2628 void	 file_read_data(struct client_files *, struct imsg *);
2629 void	 file_read_done(struct client_files *, struct imsg *);
2630 void	 file_read_cancel(struct client_files *, struct imsg *);
2631 
2632 /* server.c */
2633 extern struct tmuxproc *server_proc;
2634 extern struct clients clients;
2635 extern struct cmd_find_state marked_pane;
2636 extern struct message_list message_log;
2637 extern time_t current_time;
2638 void	 server_set_marked(struct session *, struct winlink *,
2639 	     struct window_pane *);
2640 void	 server_clear_marked(void);
2641 int	 server_is_marked(struct session *, struct winlink *,
2642 	     struct window_pane *);
2643 int	 server_check_marked(void);
2644 int	 server_start(struct tmuxproc *, int, struct event_base *, int, char *);
2645 void	 server_update_socket(void);
2646 void	 server_add_accept(int);
2647 void printflike(1, 2) server_add_message(const char *, ...);
2648 
2649 /* server-client.c */
2650 RB_PROTOTYPE(client_windows, client_window, entry, server_client_window_cmp);
2651 u_int	 server_client_how_many(void);
2652 void	 server_client_set_overlay(struct client *, u_int, overlay_check_cb,
2653 	     overlay_mode_cb, overlay_draw_cb, overlay_key_cb,
2654 	     overlay_free_cb, overlay_resize_cb, void *);
2655 void	 server_client_clear_overlay(struct client *);
2656 void	 server_client_overlay_range(u_int, u_int, u_int, u_int, u_int, u_int,
2657 	     u_int, struct overlay_ranges *);
2658 void	 server_client_set_key_table(struct client *, const char *);
2659 const char *server_client_get_key_table(struct client *);
2660 int	 server_client_check_nested(struct client *);
2661 int	 server_client_handle_key(struct client *, struct key_event *);
2662 struct client *server_client_create(int);
2663 int	 server_client_open(struct client *, char **);
2664 void	 server_client_unref(struct client *);
2665 void	 server_client_set_session(struct client *, struct session *);
2666 void	 server_client_lost(struct client *);
2667 void	 server_client_suspend(struct client *);
2668 void	 server_client_detach(struct client *, enum msgtype);
2669 void	 server_client_exec(struct client *, const char *);
2670 void	 server_client_loop(void);
2671 void	 server_client_push_stdout(struct client *);
2672 void	 server_client_push_stderr(struct client *);
2673 const char *server_client_get_cwd(struct client *, struct session *);
2674 void	 server_client_set_flags(struct client *, const char *);
2675 const char *server_client_get_flags(struct client *);
2676 struct client_window *server_client_get_client_window(struct client *, u_int);
2677 struct client_window *server_client_add_client_window(struct client *, u_int);
2678 struct window_pane *server_client_get_pane(struct client *);
2679 void	 server_client_set_pane(struct client *, struct window_pane *);
2680 void	 server_client_remove_pane(struct window_pane *);
2681 
2682 /* server-fn.c */
2683 void	 server_redraw_client(struct client *);
2684 void	 server_status_client(struct client *);
2685 void	 server_redraw_session(struct session *);
2686 void	 server_redraw_session_group(struct session *);
2687 void	 server_status_session(struct session *);
2688 void	 server_status_session_group(struct session *);
2689 void	 server_redraw_window(struct window *);
2690 void	 server_redraw_window_borders(struct window *);
2691 void	 server_status_window(struct window *);
2692 void	 server_lock(void);
2693 void	 server_lock_session(struct session *);
2694 void	 server_lock_client(struct client *);
2695 void	 server_kill_pane(struct window_pane *);
2696 void	 server_kill_window(struct window *, int);
2697 void	 server_renumber_session(struct session *);
2698 void	 server_renumber_all(void);
2699 int	 server_link_window(struct session *,
2700 	     struct winlink *, struct session *, int, int, int, char **);
2701 void	 server_unlink_window(struct session *, struct winlink *);
2702 void	 server_destroy_pane(struct window_pane *, int);
2703 void	 server_destroy_session(struct session *);
2704 void	 server_check_unattached(void);
2705 void	 server_unzoom_window(struct window *);
2706 
2707 /* status.c */
2708 extern char	**status_prompt_hlist[];
2709 extern u_int	  status_prompt_hsize[];
2710 void	 status_timer_start(struct client *);
2711 void	 status_timer_start_all(void);
2712 void	 status_update_cache(struct session *);
2713 int	 status_at_line(struct client *);
2714 u_int	 status_line_size(struct client *);
2715 struct style_range *status_get_range(struct client *, u_int, u_int);
2716 void	 status_init(struct client *);
2717 void	 status_free(struct client *);
2718 int	 status_redraw(struct client *);
2719 void printflike(5, 6) status_message_set(struct client *, int, int, int,
2720 	     const char *, ...);
2721 void	 status_message_clear(struct client *);
2722 int	 status_message_redraw(struct client *);
2723 void	 status_prompt_set(struct client *, struct cmd_find_state *,
2724 	     const char *, const char *, prompt_input_cb, prompt_free_cb,
2725 	     void *, int, enum prompt_type);
2726 void	 status_prompt_clear(struct client *);
2727 int	 status_prompt_redraw(struct client *);
2728 int	 status_prompt_key(struct client *, key_code);
2729 void	 status_prompt_update(struct client *, const char *, const char *);
2730 void	 status_prompt_load_history(void);
2731 void	 status_prompt_save_history(void);
2732 const char *status_prompt_type_string(u_int);
2733 enum prompt_type status_prompt_type(const char *type);
2734 
2735 /* resize.c */
2736 void	 resize_window(struct window *, u_int, u_int, int, int);
2737 void	 default_window_size(struct client *, struct session *, struct window *,
2738 	     u_int *, u_int *, u_int *, u_int *, int);
2739 void	 recalculate_size(struct window *, int);
2740 void	 recalculate_sizes(void);
2741 void	 recalculate_sizes_now(int);
2742 
2743 /* input.c */
2744 struct input_ctx *input_init(struct window_pane *, struct bufferevent *,
2745 	     struct colour_palette *);
2746 void	 input_free(struct input_ctx *);
2747 void	 input_reset(struct input_ctx *, int);
2748 struct evbuffer *input_pending(struct input_ctx *);
2749 void	 input_parse_pane(struct window_pane *);
2750 void	 input_parse_buffer(struct window_pane *, u_char *, size_t);
2751 void	 input_parse_screen(struct input_ctx *, struct screen *,
2752 	     screen_write_init_ctx_cb, void *, u_char *, size_t);
2753 void	 input_reply_clipboard(struct bufferevent *, const char *, size_t,
2754 	     const char *);
2755 
2756 /* input-key.c */
2757 void	 input_key_build(void);
2758 int	 input_key_pane(struct window_pane *, key_code, struct mouse_event *);
2759 int	 input_key(struct screen *, struct bufferevent *, key_code);
2760 int	 input_key_get_mouse(struct screen *, struct mouse_event *, u_int,
2761 	     u_int, const char **, size_t *);
2762 
2763 /* colour.c */
2764 int	 colour_find_rgb(u_char, u_char, u_char);
2765 int	 colour_join_rgb(u_char, u_char, u_char);
2766 void	 colour_split_rgb(int, u_char *, u_char *, u_char *);
2767 int	 colour_force_rgb(int);
2768 const char *colour_tostring(int);
2769 int	 colour_fromstring(const char *s);
2770 int	 colour_256toRGB(int);
2771 int	 colour_256to16(int);
2772 int	 colour_byname(const char *);
2773 int	 colour_parseX11(const char *);
2774 void	 colour_palette_init(struct colour_palette *);
2775 void	 colour_palette_clear(struct colour_palette *);
2776 void	 colour_palette_free(struct colour_palette *);
2777 int	 colour_palette_get(struct colour_palette *, int);
2778 int	 colour_palette_set(struct colour_palette *, int, int);
2779 void	 colour_palette_from_option(struct colour_palette *, struct options *);
2780 
2781 /* attributes.c */
2782 const char *attributes_tostring(int);
2783 int	 attributes_fromstring(const char *);
2784 
2785 /* grid.c */
2786 extern const struct grid_cell grid_default_cell;
2787 void	 grid_empty_line(struct grid *, u_int, u_int);
2788 int	 grid_cells_equal(const struct grid_cell *, const struct grid_cell *);
2789 int	 grid_cells_look_equal(const struct grid_cell *,
2790 	     const struct grid_cell *);
2791 struct grid *grid_create(u_int, u_int, u_int);
2792 void	 grid_destroy(struct grid *);
2793 int	 grid_compare(struct grid *, struct grid *);
2794 void	 grid_collect_history(struct grid *);
2795 void	 grid_remove_history(struct grid *, u_int );
2796 void	 grid_scroll_history(struct grid *, u_int);
2797 void	 grid_scroll_history_region(struct grid *, u_int, u_int, u_int);
2798 void	 grid_clear_history(struct grid *);
2799 const struct grid_line *grid_peek_line(struct grid *, u_int);
2800 void	 grid_get_cell(struct grid *, u_int, u_int, struct grid_cell *);
2801 void	 grid_set_cell(struct grid *, u_int, u_int, const struct grid_cell *);
2802 void	 grid_set_padding(struct grid *, u_int, u_int);
2803 void	 grid_set_cells(struct grid *, u_int, u_int, const struct grid_cell *,
2804 	     const char *, size_t);
2805 struct grid_line *grid_get_line(struct grid *, u_int);
2806 void	 grid_adjust_lines(struct grid *, u_int);
2807 void	 grid_clear(struct grid *, u_int, u_int, u_int, u_int, u_int);
2808 void	 grid_clear_lines(struct grid *, u_int, u_int, u_int);
2809 void	 grid_move_lines(struct grid *, u_int, u_int, u_int, u_int);
2810 void	 grid_move_cells(struct grid *, u_int, u_int, u_int, u_int, u_int);
2811 char	*grid_string_cells(struct grid *, u_int, u_int, u_int,
2812 	     struct grid_cell **, int, struct screen *);
2813 void	 grid_duplicate_lines(struct grid *, u_int, struct grid *, u_int,
2814 	     u_int);
2815 void	 grid_reflow(struct grid *, u_int);
2816 void	 grid_wrap_position(struct grid *, u_int, u_int, u_int *, u_int *);
2817 void	 grid_unwrap_position(struct grid *, u_int *, u_int *, u_int, u_int);
2818 u_int	 grid_line_length(struct grid *, u_int);
2819 
2820 /* grid-reader.c */
2821 void	 grid_reader_start(struct grid_reader *, struct grid *, u_int, u_int);
2822 void	 grid_reader_get_cursor(struct grid_reader *, u_int *, u_int *);
2823 u_int	 grid_reader_line_length(struct grid_reader *);
2824 int	 grid_reader_in_set(struct grid_reader *, const char *);
2825 void	 grid_reader_cursor_right(struct grid_reader *, int, int);
2826 void	 grid_reader_cursor_left(struct grid_reader *, int);
2827 void	 grid_reader_cursor_down(struct grid_reader *);
2828 void	 grid_reader_cursor_up(struct grid_reader *);
2829 void	 grid_reader_cursor_start_of_line(struct grid_reader *, int);
2830 void	 grid_reader_cursor_end_of_line(struct grid_reader *, int, int);
2831 void	 grid_reader_cursor_next_word(struct grid_reader *, const char *);
2832 void	 grid_reader_cursor_next_word_end(struct grid_reader *, const char *);
2833 void	 grid_reader_cursor_previous_word(struct grid_reader *, const char *,
2834 	     int, int);
2835 int	 grid_reader_cursor_jump(struct grid_reader *,
2836 	     const struct utf8_data *);
2837 int	 grid_reader_cursor_jump_back(struct grid_reader *,
2838 	     const struct utf8_data *);
2839 void	 grid_reader_cursor_back_to_indentation(struct grid_reader *);
2840 
2841 /* grid-view.c */
2842 void	 grid_view_get_cell(struct grid *, u_int, u_int, struct grid_cell *);
2843 void	 grid_view_set_cell(struct grid *, u_int, u_int,
2844 	     const struct grid_cell *);
2845 void	 grid_view_set_padding(struct grid *, u_int, u_int);
2846 void	 grid_view_set_cells(struct grid *, u_int, u_int,
2847 	     const struct grid_cell *, const char *, size_t);
2848 void	 grid_view_clear_history(struct grid *, u_int);
2849 void	 grid_view_clear(struct grid *, u_int, u_int, u_int, u_int, u_int);
2850 void	 grid_view_scroll_region_up(struct grid *, u_int, u_int, u_int);
2851 void	 grid_view_scroll_region_down(struct grid *, u_int, u_int, u_int);
2852 void	 grid_view_insert_lines(struct grid *, u_int, u_int, u_int);
2853 void	 grid_view_insert_lines_region(struct grid *, u_int, u_int, u_int,
2854 	     u_int);
2855 void	 grid_view_delete_lines(struct grid *, u_int, u_int, u_int);
2856 void	 grid_view_delete_lines_region(struct grid *, u_int, u_int, u_int,
2857 	     u_int);
2858 void	 grid_view_insert_cells(struct grid *, u_int, u_int, u_int, u_int);
2859 void	 grid_view_delete_cells(struct grid *, u_int, u_int, u_int, u_int);
2860 char	*grid_view_string_cells(struct grid *, u_int, u_int, u_int);
2861 
2862 /* screen-write.c */
2863 void	 screen_write_make_list(struct screen *);
2864 void	 screen_write_free_list(struct screen *);
2865 void	 screen_write_start_pane(struct screen_write_ctx *,
2866 	     struct window_pane *, struct screen *);
2867 void	 screen_write_start(struct screen_write_ctx *, struct screen *);
2868 void	 screen_write_start_callback(struct screen_write_ctx *, struct screen *,
2869 	     screen_write_init_ctx_cb, void *);
2870 void	 screen_write_stop(struct screen_write_ctx *);
2871 void	 screen_write_reset(struct screen_write_ctx *);
2872 size_t printflike(1, 2) screen_write_strlen(const char *, ...);
2873 int printflike(7, 8) screen_write_text(struct screen_write_ctx *, u_int, u_int,
2874 	     u_int, int, const struct grid_cell *, const char *, ...);
2875 void printflike(3, 4) screen_write_puts(struct screen_write_ctx *,
2876 	     const struct grid_cell *, const char *, ...);
2877 void printflike(4, 5) screen_write_nputs(struct screen_write_ctx *,
2878 	     ssize_t, const struct grid_cell *, const char *, ...);
2879 void printflike(4, 0) screen_write_vnputs(struct screen_write_ctx *, ssize_t,
2880 	     const struct grid_cell *, const char *, va_list);
2881 void	 screen_write_putc(struct screen_write_ctx *, const struct grid_cell *,
2882 	     u_char);
2883 void	 screen_write_fast_copy(struct screen_write_ctx *, struct screen *,
2884 	     u_int, u_int, u_int, u_int);
2885 void	 screen_write_hline(struct screen_write_ctx *, u_int, int, int);
2886 void	 screen_write_vline(struct screen_write_ctx *, u_int, int, int);
2887 void	 screen_write_menu(struct screen_write_ctx *, struct menu *, int,
2888 	     const struct grid_cell *);
2889 void	 screen_write_box(struct screen_write_ctx *, u_int, u_int, int,
2890 	     const struct grid_cell *, const char *);
2891 void	 screen_write_preview(struct screen_write_ctx *, struct screen *, u_int,
2892 	     u_int);
2893 void	 screen_write_backspace(struct screen_write_ctx *);
2894 void	 screen_write_mode_set(struct screen_write_ctx *, int);
2895 void	 screen_write_mode_clear(struct screen_write_ctx *, int);
2896 void	 screen_write_cursorup(struct screen_write_ctx *, u_int);
2897 void	 screen_write_cursordown(struct screen_write_ctx *, u_int);
2898 void	 screen_write_cursorright(struct screen_write_ctx *, u_int);
2899 void	 screen_write_cursorleft(struct screen_write_ctx *, u_int);
2900 void	 screen_write_alignmenttest(struct screen_write_ctx *);
2901 void	 screen_write_insertcharacter(struct screen_write_ctx *, u_int, u_int);
2902 void	 screen_write_deletecharacter(struct screen_write_ctx *, u_int, u_int);
2903 void	 screen_write_clearcharacter(struct screen_write_ctx *, u_int, u_int);
2904 void	 screen_write_insertline(struct screen_write_ctx *, u_int, u_int);
2905 void	 screen_write_deleteline(struct screen_write_ctx *, u_int, u_int);
2906 void	 screen_write_clearline(struct screen_write_ctx *, u_int);
2907 void	 screen_write_clearendofline(struct screen_write_ctx *, u_int);
2908 void	 screen_write_clearstartofline(struct screen_write_ctx *, u_int);
2909 void	 screen_write_cursormove(struct screen_write_ctx *, int, int, int);
2910 void	 screen_write_reverseindex(struct screen_write_ctx *, u_int);
2911 void	 screen_write_scrollregion(struct screen_write_ctx *, u_int, u_int);
2912 void	 screen_write_linefeed(struct screen_write_ctx *, int, u_int);
2913 void	 screen_write_scrollup(struct screen_write_ctx *, u_int, u_int);
2914 void	 screen_write_scrolldown(struct screen_write_ctx *, u_int, u_int);
2915 void	 screen_write_carriagereturn(struct screen_write_ctx *);
2916 void	 screen_write_clearendofscreen(struct screen_write_ctx *, u_int);
2917 void	 screen_write_clearstartofscreen(struct screen_write_ctx *, u_int);
2918 void	 screen_write_clearscreen(struct screen_write_ctx *, u_int);
2919 void	 screen_write_clearhistory(struct screen_write_ctx *);
2920 void	 screen_write_fullredraw(struct screen_write_ctx *);
2921 void	 screen_write_collect_end(struct screen_write_ctx *);
2922 void	 screen_write_collect_add(struct screen_write_ctx *,
2923 	     const struct grid_cell *);
2924 void	 screen_write_cell(struct screen_write_ctx *, const struct grid_cell *);
2925 void	 screen_write_setselection(struct screen_write_ctx *, const char *,
2926 	     u_char *, u_int);
2927 void	 screen_write_rawstring(struct screen_write_ctx *, u_char *, u_int,
2928 	     int);
2929 void	 screen_write_alternateon(struct screen_write_ctx *,
2930 	     struct grid_cell *, int);
2931 void	 screen_write_alternateoff(struct screen_write_ctx *,
2932 	     struct grid_cell *, int);
2933 
2934 /* screen-redraw.c */
2935 void	 screen_redraw_screen(struct client *);
2936 void	 screen_redraw_pane(struct client *, struct window_pane *);
2937 
2938 /* screen.c */
2939 void	 screen_init(struct screen *, u_int, u_int, u_int);
2940 void	 screen_reinit(struct screen *);
2941 void	 screen_free(struct screen *);
2942 void	 screen_reset_tabs(struct screen *);
2943 void	 screen_reset_hyperlinks(struct screen *);
2944 void	 screen_set_cursor_style(u_int, enum screen_cursor_style *, int *);
2945 void	 screen_set_cursor_colour(struct screen *, int);
2946 int	 screen_set_title(struct screen *, const char *);
2947 void	 screen_set_path(struct screen *, const char *);
2948 void	 screen_push_title(struct screen *);
2949 void	 screen_pop_title(struct screen *);
2950 void	 screen_resize(struct screen *, u_int, u_int, int);
2951 void	 screen_resize_cursor(struct screen *, u_int, u_int, int, int, int);
2952 void	 screen_set_selection(struct screen *, u_int, u_int, u_int, u_int,
2953 	     u_int, int, struct grid_cell *);
2954 void	 screen_clear_selection(struct screen *);
2955 void	 screen_hide_selection(struct screen *);
2956 int	 screen_check_selection(struct screen *, u_int, u_int);
2957 void	 screen_select_cell(struct screen *, struct grid_cell *,
2958 	     const struct grid_cell *);
2959 void	 screen_alternate_on(struct screen *, struct grid_cell *, int);
2960 void	 screen_alternate_off(struct screen *, struct grid_cell *, int);
2961 const char *screen_mode_to_string(int);
2962 
2963 /* window.c */
2964 extern struct windows windows;
2965 extern struct window_pane_tree all_window_panes;
2966 int		 window_cmp(struct window *, struct window *);
2967 RB_PROTOTYPE(windows, window, entry, window_cmp);
2968 int		 winlink_cmp(struct winlink *, struct winlink *);
2969 RB_PROTOTYPE(winlinks, winlink, entry, winlink_cmp);
2970 int		 window_pane_cmp(struct window_pane *, struct window_pane *);
2971 RB_PROTOTYPE(window_pane_tree, window_pane, tree_entry, window_pane_cmp);
2972 struct winlink	*winlink_find_by_index(struct winlinks *, int);
2973 struct winlink	*winlink_find_by_window(struct winlinks *, struct window *);
2974 struct winlink	*winlink_find_by_window_id(struct winlinks *, u_int);
2975 u_int		 winlink_count(struct winlinks *);
2976 struct winlink	*winlink_add(struct winlinks *, int);
2977 void		 winlink_set_window(struct winlink *, struct window *);
2978 void		 winlink_remove(struct winlinks *, struct winlink *);
2979 struct winlink	*winlink_next(struct winlink *);
2980 struct winlink	*winlink_previous(struct winlink *);
2981 struct winlink	*winlink_next_by_number(struct winlink *, struct session *,
2982 		     int);
2983 struct winlink	*winlink_previous_by_number(struct winlink *, struct session *,
2984 		     int);
2985 void		 winlink_stack_push(struct winlink_stack *, struct winlink *);
2986 void		 winlink_stack_remove(struct winlink_stack *, struct winlink *);
2987 struct window	*window_find_by_id_str(const char *);
2988 struct window	*window_find_by_id(u_int);
2989 void		 window_update_activity(struct window *);
2990 struct window	*window_create(u_int, u_int, u_int, u_int);
2991 void		 window_pane_set_event(struct window_pane *);
2992 struct window_pane *window_get_active_at(struct window *, u_int, u_int);
2993 struct window_pane *window_find_string(struct window *, const char *);
2994 int		 window_has_pane(struct window *, struct window_pane *);
2995 int		 window_set_active_pane(struct window *, struct window_pane *,
2996 		     int);
2997 void		 window_update_focus(struct window *);
2998 void		 window_pane_update_focus(struct window_pane *);
2999 void		 window_redraw_active_switch(struct window *,
3000 		     struct window_pane *);
3001 struct window_pane *window_add_pane(struct window *, struct window_pane *,
3002 		     u_int, int);
3003 void		 window_resize(struct window *, u_int, u_int, int, int);
3004 void		 window_pane_send_resize(struct window_pane *, u_int, u_int);
3005 int		 window_zoom(struct window_pane *);
3006 int		 window_unzoom(struct window *);
3007 int		 window_push_zoom(struct window *, int, int);
3008 int		 window_pop_zoom(struct window *);
3009 void		 window_lost_pane(struct window *, struct window_pane *);
3010 void		 window_remove_pane(struct window *, struct window_pane *);
3011 struct window_pane *window_pane_at_index(struct window *, u_int);
3012 struct window_pane *window_pane_next_by_number(struct window *,
3013 			struct window_pane *, u_int);
3014 struct window_pane *window_pane_previous_by_number(struct window *,
3015 			struct window_pane *, u_int);
3016 int		 window_pane_index(struct window_pane *, u_int *);
3017 u_int		 window_count_panes(struct window *);
3018 void		 window_destroy_panes(struct window *);
3019 struct window_pane *window_pane_find_by_id_str(const char *);
3020 struct window_pane *window_pane_find_by_id(u_int);
3021 int		 window_pane_destroy_ready(struct window_pane *);
3022 void		 window_pane_resize(struct window_pane *, u_int, u_int);
3023 int		 window_pane_set_mode(struct window_pane *,
3024 		     struct window_pane *, const struct window_mode *,
3025 		     struct cmd_find_state *, struct args *);
3026 void		 window_pane_reset_mode(struct window_pane *);
3027 void		 window_pane_reset_mode_all(struct window_pane *);
3028 int		 window_pane_key(struct window_pane *, struct client *,
3029 		     struct session *, struct winlink *, key_code,
3030 		     struct mouse_event *);
3031 int		 window_pane_visible(struct window_pane *);
3032 u_int		 window_pane_search(struct window_pane *, const char *, int,
3033 		     int);
3034 const char	*window_printable_flags(struct winlink *, int);
3035 struct window_pane *window_pane_find_up(struct window_pane *);
3036 struct window_pane *window_pane_find_down(struct window_pane *);
3037 struct window_pane *window_pane_find_left(struct window_pane *);
3038 struct window_pane *window_pane_find_right(struct window_pane *);
3039 void		 window_set_name(struct window *, const char *);
3040 void		 window_add_ref(struct window *, const char *);
3041 void		 window_remove_ref(struct window *, const char *);
3042 void		 winlink_clear_flags(struct winlink *);
3043 int		 winlink_shuffle_up(struct session *, struct winlink *, int);
3044 int		 window_pane_start_input(struct window_pane *,
3045 		     struct cmdq_item *, char **);
3046 void		*window_pane_get_new_data(struct window_pane *,
3047 		     struct window_pane_offset *, size_t *);
3048 void		 window_pane_update_used_data(struct window_pane *,
3049 		     struct window_pane_offset *, size_t);
3050 void		 window_set_fill_character(struct window *);
3051 void		 window_pane_default_cursor(struct window_pane *);
3052 
3053 /* layout.c */
3054 u_int		 layout_count_cells(struct layout_cell *);
3055 struct layout_cell *layout_create_cell(struct layout_cell *);
3056 void		 layout_free_cell(struct layout_cell *);
3057 void		 layout_print_cell(struct layout_cell *, const char *, u_int);
3058 void		 layout_destroy_cell(struct window *, struct layout_cell *,
3059 		     struct layout_cell **);
3060 void		 layout_resize_layout(struct window *, struct layout_cell *,
3061 		     enum layout_type, int, int);
3062 struct layout_cell *layout_search_by_border(struct layout_cell *, u_int, u_int);
3063 void		 layout_set_size(struct layout_cell *, u_int, u_int, u_int,
3064 		     u_int);
3065 void		 layout_make_leaf(struct layout_cell *, struct window_pane *);
3066 void		 layout_make_node(struct layout_cell *, enum layout_type);
3067 void		 layout_fix_offsets(struct window *);
3068 void		 layout_fix_panes(struct window *, struct window_pane *);
3069 void		 layout_resize_adjust(struct window *, struct layout_cell *,
3070 		     enum layout_type, int);
3071 void		 layout_init(struct window *, struct window_pane *);
3072 void		 layout_free(struct window *);
3073 void		 layout_resize(struct window *, u_int, u_int);
3074 void		 layout_resize_pane(struct window_pane *, enum layout_type,
3075 		     int, int);
3076 void		 layout_resize_pane_to(struct window_pane *, enum layout_type,
3077 		     u_int);
3078 void		 layout_assign_pane(struct layout_cell *, struct window_pane *,
3079 		     int);
3080 struct layout_cell *layout_split_pane(struct window_pane *, enum layout_type,
3081 		     int, int);
3082 void		 layout_close_pane(struct window_pane *);
3083 int		 layout_spread_cell(struct window *, struct layout_cell *);
3084 void		 layout_spread_out(struct window_pane *);
3085 
3086 /* layout-custom.c */
3087 char		*layout_dump(struct layout_cell *);
3088 int		 layout_parse(struct window *, const char *, char **);
3089 
3090 /* layout-set.c */
3091 int		 layout_set_lookup(const char *);
3092 u_int		 layout_set_select(struct window *, u_int);
3093 u_int		 layout_set_next(struct window *);
3094 u_int		 layout_set_previous(struct window *);
3095 
3096 /* mode-tree.c */
3097 typedef void (*mode_tree_build_cb)(void *, struct mode_tree_sort_criteria *,
3098 				   uint64_t *, const char *);
3099 typedef void (*mode_tree_draw_cb)(void *, void *, struct screen_write_ctx *,
3100 	     u_int, u_int);
3101 typedef int (*mode_tree_search_cb)(void *, void *, const char *);
3102 typedef void (*mode_tree_menu_cb)(void *, struct client *, key_code);
3103 typedef u_int (*mode_tree_height_cb)(void *, u_int);
3104 typedef key_code (*mode_tree_key_cb)(void *, void *, u_int);
3105 typedef void (*mode_tree_each_cb)(void *, void *, struct client *, key_code);
3106 u_int	 mode_tree_count_tagged(struct mode_tree_data *);
3107 void	*mode_tree_get_current(struct mode_tree_data *);
3108 const char *mode_tree_get_current_name(struct mode_tree_data *);
3109 void	 mode_tree_expand_current(struct mode_tree_data *);
3110 void	 mode_tree_collapse_current(struct mode_tree_data *);
3111 void	 mode_tree_expand(struct mode_tree_data *, uint64_t);
3112 int	 mode_tree_set_current(struct mode_tree_data *, uint64_t);
3113 void	 mode_tree_each_tagged(struct mode_tree_data *, mode_tree_each_cb,
3114 	     struct client *, key_code, int);
3115 void	 mode_tree_up(struct mode_tree_data *, int);
3116 void	 mode_tree_down(struct mode_tree_data *, int);
3117 struct mode_tree_data *mode_tree_start(struct window_pane *, struct args *,
3118 	     mode_tree_build_cb, mode_tree_draw_cb, mode_tree_search_cb,
3119 	     mode_tree_menu_cb, mode_tree_height_cb, mode_tree_key_cb, void *,
3120 	     const struct menu_item *, const char **, u_int, struct screen **);
3121 void	 mode_tree_zoom(struct mode_tree_data *, struct args *);
3122 void	 mode_tree_build(struct mode_tree_data *);
3123 void	 mode_tree_free(struct mode_tree_data *);
3124 void	 mode_tree_resize(struct mode_tree_data *, u_int, u_int);
3125 struct mode_tree_item *mode_tree_add(struct mode_tree_data *,
3126 	     struct mode_tree_item *, void *, uint64_t, const char *,
3127 	     const char *, int);
3128 void	 mode_tree_draw_as_parent(struct mode_tree_item *);
3129 void	 mode_tree_no_tag(struct mode_tree_item *);
3130 void	 mode_tree_remove(struct mode_tree_data *, struct mode_tree_item *);
3131 void	 mode_tree_draw(struct mode_tree_data *);
3132 int	 mode_tree_key(struct mode_tree_data *, struct client *, key_code *,
3133 	     struct mouse_event *, u_int *, u_int *);
3134 void	 mode_tree_run_command(struct client *, struct cmd_find_state *,
3135 	     const char *, const char *);
3136 
3137 /* window-buffer.c */
3138 extern const struct window_mode window_buffer_mode;
3139 
3140 /* window-tree.c */
3141 extern const struct window_mode window_tree_mode;
3142 
3143 /* window-clock.c */
3144 extern const struct window_mode window_clock_mode;
3145 extern const char window_clock_table[14][5][5];
3146 
3147 /* window-client.c */
3148 extern const struct window_mode window_client_mode;
3149 
3150 /* window-copy.c */
3151 extern const struct window_mode window_copy_mode;
3152 extern const struct window_mode window_view_mode;
3153 void printflike(3, 4) window_copy_add(struct window_pane *, int, const char *,
3154 		     ...);
3155 void printflike(3, 0) window_copy_vadd(struct window_pane *, int, const char *,
3156 		     va_list);
3157 void		 window_copy_pageup(struct window_pane *, int);
3158 void		 window_copy_start_drag(struct client *, struct mouse_event *);
3159 char		*window_copy_get_word(struct window_pane *, u_int, u_int);
3160 char		*window_copy_get_line(struct window_pane *, u_int);
3161 
3162 /* window-option.c */
3163 extern const struct window_mode window_customize_mode;
3164 
3165 /* names.c */
3166 void	 check_window_name(struct window *);
3167 char	*default_window_name(struct window *);
3168 char	*parse_window_name(const char *);
3169 
3170 /* control.c */
3171 void	control_discard(struct client *);
3172 void	control_start(struct client *);
3173 void	control_ready(struct client *);
3174 void	control_stop(struct client *);
3175 void	control_set_pane_on(struct client *, struct window_pane *);
3176 void	control_set_pane_off(struct client *, struct window_pane *);
3177 void	control_continue_pane(struct client *, struct window_pane *);
3178 void	control_pause_pane(struct client *, struct window_pane *);
3179 struct window_pane_offset *control_pane_offset(struct client *,
3180 	   struct window_pane *, int *);
3181 void	control_reset_offsets(struct client *);
3182 void printflike(2, 3) control_write(struct client *, const char *, ...);
3183 void	control_write_output(struct client *, struct window_pane *);
3184 int	control_all_done(struct client *);
3185 void	control_add_sub(struct client *, const char *, enum control_sub_type,
3186     	   int, const char *);
3187 void	control_remove_sub(struct client *, const char *);
3188 
3189 /* control-notify.c */
3190 void	control_notify_input(struct client *, struct window_pane *,
3191 	    const u_char *, size_t);
3192 void	control_notify_pane_mode_changed(int);
3193 void	control_notify_window_layout_changed(struct window *);
3194 void	control_notify_window_pane_changed(struct window *);
3195 void	control_notify_window_unlinked(struct session *, struct window *);
3196 void	control_notify_window_linked(struct session *, struct window *);
3197 void	control_notify_window_renamed(struct window *);
3198 void	control_notify_client_session_changed(struct client *);
3199 void	control_notify_client_detached(struct client *);
3200 void	control_notify_session_renamed(struct session *);
3201 void	control_notify_session_created(struct session *);
3202 void	control_notify_session_closed(struct session *);
3203 void	control_notify_session_window_changed(struct session *);
3204 void	control_notify_paste_buffer_changed(const char *);
3205 void	control_notify_paste_buffer_deleted(const char *);
3206 
3207 /* session.c */
3208 extern struct sessions sessions;
3209 extern u_int next_session_id;
3210 int	session_cmp(struct session *, struct session *);
3211 RB_PROTOTYPE(sessions, session, entry, session_cmp);
3212 int		 session_alive(struct session *);
3213 struct session	*session_find(const char *);
3214 struct session	*session_find_by_id_str(const char *);
3215 struct session	*session_find_by_id(u_int);
3216 struct session	*session_create(const char *, const char *, const char *,
3217 		     struct environ *, struct options *, struct termios *);
3218 void		 session_destroy(struct session *, int,	 const char *);
3219 void		 session_add_ref(struct session *, const char *);
3220 void		 session_remove_ref(struct session *, const char *);
3221 char		*session_check_name(const char *);
3222 void		 session_update_activity(struct session *, struct timeval *);
3223 struct session	*session_next_session(struct session *);
3224 struct session	*session_previous_session(struct session *);
3225 struct winlink	*session_new(struct session *, const char *, int, char **,
3226 		     const char *, const char *, int, char **);
3227 struct winlink	*session_attach(struct session *, struct window *, int,
3228 		     char **);
3229 int		 session_detach(struct session *, struct winlink *);
3230 int		 session_has(struct session *, struct window *);
3231 int		 session_is_linked(struct session *, struct window *);
3232 int		 session_next(struct session *, int);
3233 int		 session_previous(struct session *, int);
3234 int		 session_select(struct session *, int);
3235 int		 session_last(struct session *);
3236 int		 session_set_current(struct session *, struct winlink *);
3237 struct session_group *session_group_contains(struct session *);
3238 struct session_group *session_group_find(const char *);
3239 struct session_group *session_group_new(const char *);
3240 void		 session_group_add(struct session_group *, struct session *);
3241 void		 session_group_synchronize_to(struct session *);
3242 void		 session_group_synchronize_from(struct session *);
3243 u_int		 session_group_count(struct session_group *);
3244 u_int		 session_group_attached_count(struct session_group *);
3245 void		 session_renumber_windows(struct session *);
3246 
3247 /* utf8.c */
3248 utf8_char	 utf8_build_one(u_char);
3249 enum utf8_state	 utf8_from_data(const struct utf8_data *, utf8_char *);
3250 void		 utf8_to_data(utf8_char, struct utf8_data *);
3251 void		 utf8_set(struct utf8_data *, u_char);
3252 void		 utf8_copy(struct utf8_data *, const struct utf8_data *);
3253 enum utf8_state	 utf8_open(struct utf8_data *, u_char);
3254 enum utf8_state	 utf8_append(struct utf8_data *, u_char);
3255 int		 utf8_isvalid(const char *);
3256 int		 utf8_strvis(char *, const char *, size_t, int);
3257 int		 utf8_stravis(char **, const char *, int);
3258 int		 utf8_stravisx(char **, const char *, size_t, int);
3259 char		*utf8_sanitize(const char *);
3260 size_t		 utf8_strlen(const struct utf8_data *);
3261 u_int		 utf8_strwidth(const struct utf8_data *, ssize_t);
3262 struct utf8_data *utf8_fromcstr(const char *);
3263 char		*utf8_tocstr(struct utf8_data *);
3264 u_int		 utf8_cstrwidth(const char *);
3265 char		*utf8_padcstr(const char *, u_int);
3266 char		*utf8_rpadcstr(const char *, u_int);
3267 int		 utf8_cstrhas(const char *, const struct utf8_data *);
3268 
3269 /* procname.c */
3270 char   *get_proc_name(int, char *);
3271 char   *get_proc_cwd(int);
3272 
3273 /* log.c */
3274 void	log_add_level(void);
3275 int	log_get_level(void);
3276 void	log_open(const char *);
3277 void	log_toggle(const char *);
3278 void	log_close(void);
3279 void printflike(1, 2) log_debug(const char *, ...);
3280 __dead void printflike(1, 2) fatal(const char *, ...);
3281 __dead void printflike(1, 2) fatalx(const char *, ...);
3282 
3283 /* menu.c */
3284 #define MENU_NOMOUSE 0x1
3285 #define MENU_TAB 0x2
3286 #define MENU_STAYOPEN 0x4
3287 struct menu	*menu_create(const char *);
3288 void		 menu_add_items(struct menu *, const struct menu_item *,
3289 		    struct cmdq_item *, struct client *,
3290 		    struct cmd_find_state *);
3291 void		 menu_add_item(struct menu *, const struct menu_item *,
3292 		    struct cmdq_item *, struct client *,
3293 		    struct cmd_find_state *);
3294 void		 menu_free(struct menu *);
3295 struct menu_data *menu_prepare(struct menu *, int, int, struct cmdq_item *,
3296 		    u_int, u_int, struct client *, struct cmd_find_state *,
3297 		    menu_choice_cb, void *);
3298 int		 menu_display(struct menu *, int, int, struct cmdq_item *,
3299 		    u_int, u_int, struct client *, struct cmd_find_state *,
3300 		    menu_choice_cb, void *);
3301 struct screen	*menu_mode_cb(struct client *, void *, u_int *, u_int *);
3302 void		 menu_check_cb(struct client *, void *, u_int, u_int, u_int,
3303 		    struct overlay_ranges *);
3304 void		 menu_draw_cb(struct client *, void *,
3305 		    struct screen_redraw_ctx *);
3306 void		 menu_free_cb(struct client *, void *);
3307 int		 menu_key_cb(struct client *, void *, struct key_event *);
3308 
3309 /* popup.c */
3310 #define POPUP_CLOSEEXIT 0x1
3311 #define POPUP_CLOSEEXITZERO 0x2
3312 #define POPUP_INTERNAL 0x4
3313 typedef void (*popup_close_cb)(int, void *);
3314 typedef void (*popup_finish_edit_cb)(char *, size_t, void *);
3315 int		 popup_display(int, int, struct cmdq_item *, u_int, u_int,
3316 		    u_int, u_int, struct environ *, const char *, int, char **,
3317 		    const char *, const char *, struct client *,
3318 		    struct session *, const char *, const char *,
3319 		    popup_close_cb, void *);
3320 int		 popup_editor(struct client *, const char *, size_t,
3321 		    popup_finish_edit_cb, void *);
3322 
3323 /* style.c */
3324 int		 style_parse(struct style *,const struct grid_cell *,
3325 		     const char *);
3326 const char	*style_tostring(struct style *);
3327 void		 style_add(struct grid_cell *, struct options *,
3328 		     const char *, struct format_tree *);
3329 void		 style_apply(struct grid_cell *, struct options *,
3330 		     const char *, struct format_tree *);
3331 void		 style_set(struct style *, const struct grid_cell *);
3332 void		 style_copy(struct style *, struct style *);
3333 
3334 /* spawn.c */
3335 struct winlink	*spawn_window(struct spawn_context *, char **);
3336 struct window_pane *spawn_pane(struct spawn_context *, char **);
3337 
3338 /* regsub.c */
3339 char		*regsub(const char *, const char *, const char *, int);
3340 
3341 /* server-acl.c */
3342 void			 server_acl_init(void);
3343 struct server_acl_user	*server_acl_user_find(uid_t);
3344 void 			 server_acl_display(struct cmdq_item *);
3345 void			 server_acl_user_allow(uid_t);
3346 void			 server_acl_user_deny(uid_t);
3347 void			 server_acl_user_allow_write(uid_t);
3348 void			 server_acl_user_deny_write(uid_t);
3349 int			 server_acl_join(struct client *);
3350 uid_t			 server_acl_get_uid(struct server_acl_user *);
3351 
3352 /* hyperlink.c */
3353 u_int	 		 hyperlinks_put(struct hyperlinks *, const char *,
3354 			     const char *);
3355 int			 hyperlinks_get(struct hyperlinks *, u_int,
3356 			     const char **, const char **, const char **);
3357 struct hyperlinks	*hyperlinks_init(void);
3358 void			 hyperlinks_reset(struct hyperlinks *);
3359 void			 hyperlinks_free(struct hyperlinks *);
3360 
3361 #endif /* TMUX_H */
3362