xref: /openbsd-src/usr.bin/tmux/tmux.h (revision aa997e528a848ca5596493c2a801bdd6fb26ae61)
1 /* $OpenBSD: tmux.h,v 1.822 2018/03/16 15:15:39 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 #define PROTOCOL_VERSION 8
23 
24 #include <sys/time.h>
25 #include <sys/queue.h>
26 #include <sys/tree.h>
27 
28 #include <bitstring.h>
29 #include <event.h>
30 #include <limits.h>
31 #include <stdarg.h>
32 #include <stdint.h>
33 #include <stdio.h>
34 #include <termios.h>
35 #include <wchar.h>
36 
37 #include "xmalloc.h"
38 
39 extern char   **environ;
40 
41 struct args;
42 struct client;
43 struct cmd_find_state;
44 struct cmdq_item;
45 struct cmdq_list;
46 struct environ;
47 struct format_job_tree;
48 struct input_ctx;
49 struct mode_tree_data;
50 struct mouse_event;
51 struct options;
52 struct options_entry;
53 struct session;
54 struct tmuxpeer;
55 struct tmuxproc;
56 
57 /* Default global configuration file. */
58 #define TMUX_CONF "/etc/tmux.conf"
59 
60 /*
61  * Minimum layout cell size, NOT including separator line. The scroll region
62  * cannot be one line in height so this must be at least two.
63  */
64 #define PANE_MINIMUM 2
65 
66 /* Automatic name refresh interval, in microseconds. Must be < 1 second. */
67 #define NAME_INTERVAL 500000
68 
69 /* Maximum size of data to hold from a pane. */
70 #define READ_SIZE 4096
71 
72 /* Attribute to make GCC check printf-like arguments. */
73 #define printflike(a, b) __attribute__ ((format (printf, a, b)))
74 
75 /* Number of items in array. */
76 #ifndef nitems
77 #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
78 #endif
79 
80 /* Alert option values. */
81 #define ALERT_NONE 0
82 #define ALERT_ANY 1
83 #define ALERT_CURRENT 2
84 #define ALERT_OTHER 3
85 
86 /* Visual option values. */
87 #define VISUAL_OFF 0
88 #define VISUAL_ON 1
89 #define VISUAL_BOTH 2
90 
91 /* Special key codes. */
92 #define KEYC_NONE 0xffff00000000ULL
93 #define KEYC_UNKNOWN 0xfffe00000000ULL
94 #define KEYC_BASE 0x000010000000ULL
95 #define KEYC_USER 0x000020000000ULL
96 
97 /* Available user keys. */
98 #define KEYC_NUSER 1000
99 
100 /* Key modifier bits. */
101 #define KEYC_ESCAPE 0x200000000000ULL
102 #define KEYC_CTRL 0x400000000000ULL
103 #define KEYC_SHIFT 0x800000000000ULL
104 #define KEYC_XTERM 0x1000000000000ULL
105 
106 /* Mask to obtain key w/o modifiers. */
107 #define KEYC_MASK_MOD (KEYC_ESCAPE|KEYC_CTRL|KEYC_SHIFT|KEYC_XTERM)
108 #define KEYC_MASK_KEY (~KEYC_MASK_MOD)
109 
110 /* Is this a mouse key? */
111 #define KEYC_IS_MOUSE(key) (((key) & KEYC_MASK_KEY) >= KEYC_MOUSE &&	\
112     ((key) & KEYC_MASK_KEY) < KEYC_BSPACE)
113 
114 /* Multiple click timeout. */
115 #define KEYC_CLICK_TIMEOUT 300
116 
117 /* Mouse key codes. */
118 #define KEYC_MOUSE_KEY(name)				\
119 	KEYC_ ## name ## _PANE,				\
120 	KEYC_ ## name ## _STATUS,			\
121 	KEYC_ ## name ## _BORDER
122 #define KEYC_MOUSE_STRING(name, s)			\
123 	{ #s "Pane", KEYC_ ## name ## _PANE },		\
124 	{ #s "Status", KEYC_ ## name ## _STATUS },	\
125 	{ #s "Border", KEYC_ ## name ## _BORDER }
126 
127 /*
128  * A single key. This can be ASCII or Unicode or one of the keys starting at
129  * KEYC_BASE.
130  */
131 typedef unsigned long long key_code;
132 
133 /* Special key codes. */
134 enum {
135 	/* Focus events. */
136 	KEYC_FOCUS_IN = KEYC_BASE,
137 	KEYC_FOCUS_OUT,
138 
139 	/* Paste brackets. */
140 	KEYC_PASTE_START,
141 	KEYC_PASTE_END,
142 
143 	/* Mouse keys. */
144 	KEYC_MOUSE, /* unclassified mouse event */
145 	KEYC_DRAGGING, /* dragging in progress */
146 	KEYC_MOUSE_KEY(MOUSEMOVE),
147 	KEYC_MOUSE_KEY(MOUSEDOWN1),
148 	KEYC_MOUSE_KEY(MOUSEDOWN2),
149 	KEYC_MOUSE_KEY(MOUSEDOWN3),
150 	KEYC_MOUSE_KEY(MOUSEUP1),
151 	KEYC_MOUSE_KEY(MOUSEUP2),
152 	KEYC_MOUSE_KEY(MOUSEUP3),
153 	KEYC_MOUSE_KEY(MOUSEDRAG1),
154 	KEYC_MOUSE_KEY(MOUSEDRAG2),
155 	KEYC_MOUSE_KEY(MOUSEDRAG3),
156 	KEYC_MOUSE_KEY(MOUSEDRAGEND1),
157 	KEYC_MOUSE_KEY(MOUSEDRAGEND2),
158 	KEYC_MOUSE_KEY(MOUSEDRAGEND3),
159 	KEYC_MOUSE_KEY(WHEELUP),
160 	KEYC_MOUSE_KEY(WHEELDOWN),
161 	KEYC_MOUSE_KEY(DOUBLECLICK1),
162 	KEYC_MOUSE_KEY(DOUBLECLICK2),
163 	KEYC_MOUSE_KEY(DOUBLECLICK3),
164 	KEYC_MOUSE_KEY(TRIPLECLICK1),
165 	KEYC_MOUSE_KEY(TRIPLECLICK2),
166 	KEYC_MOUSE_KEY(TRIPLECLICK3),
167 
168 	/* Backspace key. */
169 	KEYC_BSPACE,
170 
171 	/* Function keys. */
172 	KEYC_F1,
173 	KEYC_F2,
174 	KEYC_F3,
175 	KEYC_F4,
176 	KEYC_F5,
177 	KEYC_F6,
178 	KEYC_F7,
179 	KEYC_F8,
180 	KEYC_F9,
181 	KEYC_F10,
182 	KEYC_F11,
183 	KEYC_F12,
184 	KEYC_IC,
185 	KEYC_DC,
186 	KEYC_HOME,
187 	KEYC_END,
188 	KEYC_NPAGE,
189 	KEYC_PPAGE,
190 	KEYC_BTAB,
191 
192 	/* Arrow keys. */
193 	KEYC_UP,
194 	KEYC_DOWN,
195 	KEYC_LEFT,
196 	KEYC_RIGHT,
197 
198 	/* Numeric keypad. */
199 	KEYC_KP_SLASH,
200 	KEYC_KP_STAR,
201 	KEYC_KP_MINUS,
202 	KEYC_KP_SEVEN,
203 	KEYC_KP_EIGHT,
204 	KEYC_KP_NINE,
205 	KEYC_KP_PLUS,
206 	KEYC_KP_FOUR,
207 	KEYC_KP_FIVE,
208 	KEYC_KP_SIX,
209 	KEYC_KP_ONE,
210 	KEYC_KP_TWO,
211 	KEYC_KP_THREE,
212 	KEYC_KP_ENTER,
213 	KEYC_KP_ZERO,
214 	KEYC_KP_PERIOD,
215 };
216 
217 /* Termcap codes. */
218 enum tty_code_code {
219 	TTYC_AX = 0,
220 	TTYC_ACSC,
221 	TTYC_BCE,
222 	TTYC_BEL,
223 	TTYC_BLINK,
224 	TTYC_BOLD,
225 	TTYC_CIVIS,
226 	TTYC_CLEAR,
227 	TTYC_CNORM,
228 	TTYC_COLORS,
229 	TTYC_CR,
230 	TTYC_CS,
231 	TTYC_CSR,
232 	TTYC_CUB,
233 	TTYC_CUB1,
234 	TTYC_CUD,
235 	TTYC_CUD1,
236 	TTYC_CUF,
237 	TTYC_CUF1,
238 	TTYC_CUP,
239 	TTYC_CUU,
240 	TTYC_CUU1,
241 	TTYC_CVVIS,
242 	TTYC_DCH,
243 	TTYC_DCH1,
244 	TTYC_DIM,
245 	TTYC_DL,
246 	TTYC_DL1,
247 	TTYC_E3,
248 	TTYC_ECH,
249 	TTYC_ED,
250 	TTYC_EL,
251 	TTYC_EL1,
252 	TTYC_ENACS,
253 	TTYC_FSL,
254 	TTYC_HOME,
255 	TTYC_HPA,
256 	TTYC_ICH,
257 	TTYC_ICH1,
258 	TTYC_IL,
259 	TTYC_IL1,
260 	TTYC_INDN,
261 	TTYC_INVIS,
262 	TTYC_KCBT,
263 	TTYC_KCUB1,
264 	TTYC_KCUD1,
265 	TTYC_KCUF1,
266 	TTYC_KCUU1,
267 	TTYC_KDC2,
268 	TTYC_KDC3,
269 	TTYC_KDC4,
270 	TTYC_KDC5,
271 	TTYC_KDC6,
272 	TTYC_KDC7,
273 	TTYC_KDCH1,
274 	TTYC_KDN2,
275 	TTYC_KDN3,
276 	TTYC_KDN4,
277 	TTYC_KDN5,
278 	TTYC_KDN6,
279 	TTYC_KDN7,
280 	TTYC_KEND,
281 	TTYC_KEND2,
282 	TTYC_KEND3,
283 	TTYC_KEND4,
284 	TTYC_KEND5,
285 	TTYC_KEND6,
286 	TTYC_KEND7,
287 	TTYC_KF1,
288 	TTYC_KF10,
289 	TTYC_KF11,
290 	TTYC_KF12,
291 	TTYC_KF13,
292 	TTYC_KF14,
293 	TTYC_KF15,
294 	TTYC_KF16,
295 	TTYC_KF17,
296 	TTYC_KF18,
297 	TTYC_KF19,
298 	TTYC_KF2,
299 	TTYC_KF20,
300 	TTYC_KF21,
301 	TTYC_KF22,
302 	TTYC_KF23,
303 	TTYC_KF24,
304 	TTYC_KF25,
305 	TTYC_KF26,
306 	TTYC_KF27,
307 	TTYC_KF28,
308 	TTYC_KF29,
309 	TTYC_KF3,
310 	TTYC_KF30,
311 	TTYC_KF31,
312 	TTYC_KF32,
313 	TTYC_KF33,
314 	TTYC_KF34,
315 	TTYC_KF35,
316 	TTYC_KF36,
317 	TTYC_KF37,
318 	TTYC_KF38,
319 	TTYC_KF39,
320 	TTYC_KF4,
321 	TTYC_KF40,
322 	TTYC_KF41,
323 	TTYC_KF42,
324 	TTYC_KF43,
325 	TTYC_KF44,
326 	TTYC_KF45,
327 	TTYC_KF46,
328 	TTYC_KF47,
329 	TTYC_KF48,
330 	TTYC_KF49,
331 	TTYC_KF5,
332 	TTYC_KF50,
333 	TTYC_KF51,
334 	TTYC_KF52,
335 	TTYC_KF53,
336 	TTYC_KF54,
337 	TTYC_KF55,
338 	TTYC_KF56,
339 	TTYC_KF57,
340 	TTYC_KF58,
341 	TTYC_KF59,
342 	TTYC_KF6,
343 	TTYC_KF60,
344 	TTYC_KF61,
345 	TTYC_KF62,
346 	TTYC_KF63,
347 	TTYC_KF7,
348 	TTYC_KF8,
349 	TTYC_KF9,
350 	TTYC_KHOM2,
351 	TTYC_KHOM3,
352 	TTYC_KHOM4,
353 	TTYC_KHOM5,
354 	TTYC_KHOM6,
355 	TTYC_KHOM7,
356 	TTYC_KHOME,
357 	TTYC_KIC2,
358 	TTYC_KIC3,
359 	TTYC_KIC4,
360 	TTYC_KIC5,
361 	TTYC_KIC6,
362 	TTYC_KIC7,
363 	TTYC_KICH1,
364 	TTYC_KIND,
365 	TTYC_KLFT2,
366 	TTYC_KLFT3,
367 	TTYC_KLFT4,
368 	TTYC_KLFT5,
369 	TTYC_KLFT6,
370 	TTYC_KLFT7,
371 	TTYC_KMOUS,
372 	TTYC_KNP,
373 	TTYC_KNXT2,
374 	TTYC_KNXT3,
375 	TTYC_KNXT4,
376 	TTYC_KNXT5,
377 	TTYC_KNXT6,
378 	TTYC_KNXT7,
379 	TTYC_KPP,
380 	TTYC_KPRV2,
381 	TTYC_KPRV3,
382 	TTYC_KPRV4,
383 	TTYC_KPRV5,
384 	TTYC_KPRV6,
385 	TTYC_KPRV7,
386 	TTYC_KRI,
387 	TTYC_KRIT2,
388 	TTYC_KRIT3,
389 	TTYC_KRIT4,
390 	TTYC_KRIT5,
391 	TTYC_KRIT6,
392 	TTYC_KRIT7,
393 	TTYC_KUP2,
394 	TTYC_KUP3,
395 	TTYC_KUP4,
396 	TTYC_KUP5,
397 	TTYC_KUP6,
398 	TTYC_KUP7,
399 	TTYC_MS,
400 	TTYC_OP,
401 	TTYC_REV,
402 	TTYC_RGB,
403 	TTYC_RI,
404 	TTYC_RMACS,
405 	TTYC_RMCUP,
406 	TTYC_RMKX,
407 	TTYC_SE,
408 	TTYC_SETAB,
409 	TTYC_SETAF,
410 	TTYC_SETRGBB,
411 	TTYC_SETRGBF,
412 	TTYC_SGR0,
413 	TTYC_SITM,
414 	TTYC_SMACS,
415 	TTYC_SMCUP,
416 	TTYC_SMKX,
417 	TTYC_SMSO,
418 	TTYC_SMUL,
419 	TTYC_SMXX,
420 	TTYC_SS,
421 	TTYC_TC,
422 	TTYC_TSL,
423 	TTYC_U8,
424 	TTYC_VPA,
425 	TTYC_XENL,
426 	TTYC_XT,
427 };
428 
429 /* Message codes. */
430 enum msgtype {
431 	MSG_VERSION = 12,
432 
433 	MSG_IDENTIFY_FLAGS = 100,
434 	MSG_IDENTIFY_TERM,
435 	MSG_IDENTIFY_TTYNAME,
436 	MSG_IDENTIFY_OLDCWD, /* unused */
437 	MSG_IDENTIFY_STDIN,
438 	MSG_IDENTIFY_ENVIRON,
439 	MSG_IDENTIFY_DONE,
440 	MSG_IDENTIFY_CLIENTPID,
441 	MSG_IDENTIFY_CWD,
442 
443 	MSG_COMMAND = 200,
444 	MSG_DETACH,
445 	MSG_DETACHKILL,
446 	MSG_EXIT,
447 	MSG_EXITED,
448 	MSG_EXITING,
449 	MSG_LOCK,
450 	MSG_READY,
451 	MSG_RESIZE,
452 	MSG_SHELL,
453 	MSG_SHUTDOWN,
454 	MSG_STDERR,
455 	MSG_STDIN,
456 	MSG_STDOUT,
457 	MSG_SUSPEND,
458 	MSG_UNLOCK,
459 	MSG_WAKEUP,
460 	MSG_EXEC,
461 };
462 
463 /*
464  * Message data.
465  *
466  * Don't forget to bump PROTOCOL_VERSION if any of these change!
467  */
468 struct msg_command_data {
469 	int	argc;
470 }; /* followed by packed argv */
471 
472 struct msg_stdin_data {
473 	ssize_t	size;
474 	char	data[BUFSIZ];
475 };
476 
477 struct msg_stdout_data {
478 	ssize_t	size;
479 	char	data[BUFSIZ];
480 };
481 
482 struct msg_stderr_data {
483 	ssize_t	size;
484 	char	data[BUFSIZ];
485 };
486 
487 /* Mode keys. */
488 #define MODEKEY_EMACS 0
489 #define MODEKEY_VI 1
490 
491 /* Modes. */
492 #define MODE_CURSOR 0x1
493 #define MODE_INSERT 0x2
494 #define MODE_KCURSOR 0x4
495 #define MODE_KKEYPAD 0x8	/* set = application, clear = number */
496 #define MODE_WRAP 0x10		/* whether lines wrap */
497 #define MODE_MOUSE_STANDARD 0x20
498 #define MODE_MOUSE_BUTTON 0x40
499 #define MODE_BLINKING 0x80
500 #define MODE_MOUSE_UTF8 0x100
501 #define MODE_MOUSE_SGR 0x200
502 #define MODE_BRACKETPASTE 0x400
503 #define MODE_FOCUSON 0x800
504 #define MODE_MOUSE_ALL 0x1000
505 
506 #define ALL_MODES 0xffffff
507 #define ALL_MOUSE_MODES (MODE_MOUSE_STANDARD|MODE_MOUSE_BUTTON|MODE_MOUSE_ALL)
508 
509 /*
510  * A single UTF-8 character. UTF8_SIZE must be big enough to hold at least one
511  * combining character as well.
512 */
513 #define UTF8_SIZE 9
514 struct utf8_data {
515 	u_char	data[UTF8_SIZE];
516 
517 	u_char	have;
518 	u_char	size;
519 
520 	u_char	width;	/* 0xff if invalid */
521 } __packed;
522 enum utf8_state {
523 	UTF8_MORE,
524 	UTF8_DONE,
525 	UTF8_ERROR
526 };
527 
528 /* Colour flags. */
529 #define COLOUR_FLAG_256 0x01000000
530 #define COLOUR_FLAG_RGB 0x02000000
531 
532 /* Grid attributes. Anything above 0xff is stored in an extended cell. */
533 #define GRID_ATTR_BRIGHT 0x1
534 #define GRID_ATTR_DIM 0x2
535 #define GRID_ATTR_UNDERSCORE 0x4
536 #define GRID_ATTR_BLINK 0x8
537 #define GRID_ATTR_REVERSE 0x10
538 #define GRID_ATTR_HIDDEN 0x20
539 #define GRID_ATTR_ITALICS 0x40
540 #define GRID_ATTR_CHARSET 0x80	/* alternative character set */
541 #define GRID_ATTR_STRIKETHROUGH 0x100
542 
543 /* Grid flags. */
544 #define GRID_FLAG_FG256 0x1
545 #define GRID_FLAG_BG256 0x2
546 #define GRID_FLAG_PADDING 0x4
547 #define GRID_FLAG_EXTENDED 0x8
548 #define GRID_FLAG_SELECTED 0x10
549 #define GRID_FLAG_NOPALETTE 0x20
550 
551 /* Grid line flags. */
552 #define GRID_LINE_WRAPPED 0x1
553 #define GRID_LINE_EXTENDED 0x2
554 #define GRID_LINE_DEAD 0x4
555 
556 /* Grid cell data. */
557 struct grid_cell {
558 	u_char			flags;
559 	u_short			attr;
560 	int			fg;
561 	int			bg;
562 	struct utf8_data	data;
563 };
564 struct grid_cell_entry {
565 	u_char			flags;
566 	union {
567 		u_int		offset;
568 		struct {
569 			u_char	attr;
570 			u_char	fg;
571 			u_char	bg;
572 			u_char	data;
573 		} data;
574 	};
575 } __packed;
576 
577 /* Grid line. */
578 struct grid_line {
579 	u_int			 cellused;
580 	u_int			 cellsize;
581 	struct grid_cell_entry	*celldata;
582 
583 	u_int			 extdsize;
584 	struct grid_cell	*extddata;
585 
586 	int			 flags;
587 } __packed;
588 
589 /* Entire grid of cells. */
590 struct grid {
591 	int			 flags;
592 #define GRID_HISTORY 0x1 /* scroll lines into history */
593 
594 	u_int			 sx;
595 	u_int			 sy;
596 
597 	u_int			 hscrolled;
598 	u_int			 hsize;
599 	u_int			 hlimit;
600 
601 	struct grid_line	*linedata;
602 };
603 
604 /* Hook data structures. */
605 struct hook {
606 	const char	*name;
607 
608 	struct cmd_list	*cmdlist;
609 
610 	RB_ENTRY(hook)	 entry;
611 };
612 
613 /* Scheduled job. */
614 struct job;
615 typedef void (*job_update_cb) (struct job *);
616 typedef void (*job_complete_cb) (struct job *);
617 typedef void (*job_free_cb) (void *);
618 struct job {
619 	enum {
620 		JOB_RUNNING,
621 		JOB_DEAD,
622 		JOB_CLOSED
623 	} state;
624 
625 	int			 flags;
626 #define JOB_NOWAIT 0x1
627 
628 	char			*cmd;
629 	pid_t			 pid;
630 	int			 status;
631 
632 	int			 fd;
633 	struct bufferevent	*event;
634 
635 	job_update_cb		 updatecb;
636 	job_complete_cb		 completecb;
637 	job_free_cb		 freecb;
638 	void			*data;
639 
640 	LIST_ENTRY(job)		 entry;
641 };
642 LIST_HEAD(joblist, job);
643 
644 /* Screen selection. */
645 struct screen_sel {
646 	int		 flag;
647 	int		 hidden;
648 
649 	int		 rectflag;
650 	enum {
651 		LINE_SEL_NONE,
652 		LINE_SEL_LEFT_RIGHT,
653 		LINE_SEL_RIGHT_LEFT,
654 	} lineflag;
655 
656 	int		 modekeys;
657 
658 	u_int		 sx;
659 	u_int		 sy;
660 
661 	u_int		 ex;
662 	u_int		 ey;
663 
664 	struct grid_cell cell;
665 };
666 
667 /* Virtual screen. */
668 struct screen_titles;
669 struct screen {
670 	char			*title;
671 	struct screen_titles	*titles;
672 
673 	struct grid		*grid;		/* grid data */
674 
675 	u_int			 cx;		/* cursor x */
676 	u_int			 cy;		/* cursor y */
677 
678 	u_int			 cstyle;	/* cursor style */
679 	char			*ccolour;	/* cursor colour string */
680 
681 	u_int			 rupper;	/* scroll region top */
682 	u_int			 rlower;	/* scroll region bottom */
683 
684 	int			 mode;
685 
686 	bitstr_t		*tabs;
687 
688 	struct screen_sel	 sel;
689 };
690 
691 /* Screen write context. */
692 struct screen_write_collect_item;
693 struct screen_write_collect_line;
694 struct screen_write_ctx {
695 	struct window_pane	*wp;
696 	struct screen		*s;
697 
698 	struct screen_write_collect_item *item;
699 	struct screen_write_collect_line *list;
700 	u_int			 scrolled;
701 	u_int			 bg;
702 
703 	u_int			 cells;
704 	u_int			 written;
705 	u_int			 skipped;
706 };
707 
708 /* Screen size. */
709 #define screen_size_x(s) ((s)->grid->sx)
710 #define screen_size_y(s) ((s)->grid->sy)
711 #define screen_hsize(s) ((s)->grid->hsize)
712 #define screen_hlimit(s) ((s)->grid->hlimit)
713 
714 /*
715  * Window mode. Windows can be in several modes and this is used to call the
716  * right function to handle input and output.
717  */
718 struct window_mode {
719 	const char	*name;
720 
721 	struct screen	*(*init)(struct window_pane *, struct cmd_find_state *,
722 			     struct args *);
723 	void		 (*free)(struct window_pane *);
724 	void		 (*resize)(struct window_pane *, u_int, u_int);
725 	void		 (*key)(struct window_pane *, struct client *,
726 			     struct session *, key_code, struct mouse_event *);
727 
728 	const char	*(*key_table)(struct window_pane *);
729 	void		 (*command)(struct window_pane *, struct client *,
730 			     struct session *, struct args *,
731 			     struct mouse_event *);
732 };
733 #define WINDOW_MODE_TIMEOUT 180
734 
735 /* Structures for choose mode. */
736 struct window_choose_data {
737 	struct client		*start_client;
738 	struct session		*start_session;
739 
740 	u_int			 idx;
741 	int			 type;
742 #define TREE_OTHER 0x0
743 #define TREE_WINDOW 0x1
744 #define TREE_SESSION 0x2
745 
746 	struct session		*tree_session; /* session of items in tree */
747 
748 	struct winlink		*wl;
749 	int			 pane_id;
750 
751 	char			*ft_template;
752 	struct format_tree	*ft;
753 
754 	char			*command;
755 };
756 
757 /* Child window structure. */
758 struct window_pane {
759 	u_int		 id;
760 	u_int		 active_point;
761 
762 	struct window	*window;
763 
764 	struct layout_cell *layout_cell;
765 	struct layout_cell *saved_layout_cell;
766 
767 	u_int		 sx;
768 	u_int		 sy;
769 
770 	u_int		 osx;
771 	u_int		 osy;
772 
773 	u_int		 xoff;
774 	u_int		 yoff;
775 
776 	int		 flags;
777 #define PANE_REDRAW 0x1
778 #define PANE_DROP 0x2
779 #define PANE_FOCUSED 0x4
780 #define PANE_RESIZE 0x8
781 #define PANE_RESIZEFORCE 0x10
782 #define PANE_FOCUSPUSH 0x20
783 #define PANE_INPUTOFF 0x40
784 #define PANE_CHANGED 0x80
785 #define PANE_EXITED 0x100
786 #define PANE_STATUSREADY 0x200
787 #define PANE_STATUSDRAWN 0x400
788 
789 	int		 argc;
790 	char	       **argv;
791 	char		*shell;
792 	const char	*cwd;
793 
794 	pid_t		 pid;
795 	char		 tty[TTY_NAME_MAX];
796 	int		 status;
797 
798 	int		 fd;
799 	struct bufferevent *event;
800 
801 	struct event	 resize_timer;
802 
803 	struct input_ctx *ictx;
804 
805 	struct grid_cell colgc;
806 
807 	int		*palette;
808 
809 	int		 pipe_fd;
810 	struct bufferevent *pipe_event;
811 	size_t		 pipe_off;
812 
813 	struct screen	*screen;
814 	struct screen	 base;
815 
816 	struct screen	 status_screen;
817 	size_t		 status_size;
818 
819 	/* Saved in alternative screen mode. */
820 	u_int		 saved_cx;
821 	u_int		 saved_cy;
822 	struct grid	*saved_grid;
823 	struct grid_cell saved_cell;
824 
825 	const struct window_mode *mode;
826 	void		*modedata;
827 	struct event	 modetimer;
828 	time_t		 modelast;
829 	u_int		 modeprefix;
830 	char		*searchstr;
831 
832 	TAILQ_ENTRY(window_pane) entry;
833 	RB_ENTRY(window_pane) tree_entry;
834 };
835 TAILQ_HEAD(window_panes, window_pane);
836 RB_HEAD(window_pane_tree, window_pane);
837 
838 /* Window structure. */
839 struct window {
840 	u_int		 id;
841 
842 	char		*name;
843 	struct event	 name_event;
844 	struct timeval	 name_time;
845 
846 	struct event	 alerts_timer;
847 
848 	struct timeval	 activity_time;
849 
850 	struct window_pane *active;
851 	struct window_pane *last;
852 	struct window_panes panes;
853 
854 	int		 lastlayout;
855 	struct layout_cell *layout_root;
856 	struct layout_cell *saved_layout_root;
857 	char		*old_layout;
858 
859 	u_int		 sx;
860 	u_int		 sy;
861 
862 	int		 flags;
863 #define WINDOW_BELL 0x1
864 #define WINDOW_ACTIVITY 0x2
865 /* 0x4 unused */
866 #define WINDOW_SILENCE 0x8
867 #define WINDOW_ZOOMED 0x1000
868 #define WINDOW_FORCEWIDTH 0x2000
869 #define WINDOW_FORCEHEIGHT 0x4000
870 #define WINDOW_STYLECHANGED 0x8000
871 #define WINDOW_ALERTFLAGS (WINDOW_BELL|WINDOW_ACTIVITY|WINDOW_SILENCE)
872 
873 	int		 alerts_queued;
874 	TAILQ_ENTRY(window) alerts_entry;
875 
876 	struct options	*options;
877 
878 	struct grid_cell style;
879 	struct grid_cell active_style;
880 
881 	u_int		 references;
882 	TAILQ_HEAD(, winlink) winlinks;
883 
884 	RB_ENTRY(window) entry;
885 };
886 RB_HEAD(windows, window);
887 
888 /* Entry on local window list. */
889 struct winlink {
890 	int		 idx;
891 	struct session	*session;
892 	struct window	*window;
893 
894 	size_t		 status_width;
895 	struct grid_cell status_cell;
896 	char		*status_text;
897 
898 	int		 flags;
899 #define WINLINK_BELL 0x1
900 #define WINLINK_ACTIVITY 0x2
901 #define WINLINK_SILENCE 0x4
902 #define WINLINK_ALERTFLAGS (WINLINK_BELL|WINLINK_ACTIVITY|WINLINK_SILENCE)
903 
904 	RB_ENTRY(winlink) entry;
905 	TAILQ_ENTRY(winlink) wentry;
906 	TAILQ_ENTRY(winlink) sentry;
907 };
908 RB_HEAD(winlinks, winlink);
909 TAILQ_HEAD(winlink_stack, winlink);
910 
911 /* Layout direction. */
912 enum layout_type {
913 	LAYOUT_LEFTRIGHT,
914 	LAYOUT_TOPBOTTOM,
915 	LAYOUT_WINDOWPANE
916 };
917 
918 /* Layout cells queue. */
919 TAILQ_HEAD(layout_cells, layout_cell);
920 
921 /* Layout cell. */
922 struct layout_cell {
923 	enum layout_type type;
924 
925 	struct layout_cell *parent;
926 
927 	u_int		 sx;
928 	u_int		 sy;
929 
930 	u_int		 xoff;
931 	u_int		 yoff;
932 
933 	struct window_pane *wp;
934 	struct layout_cells cells;
935 
936 	TAILQ_ENTRY(layout_cell) entry;
937 };
938 
939 /* Environment variable. */
940 struct environ_entry {
941 	char		*name;
942 	char		*value;
943 
944 	RB_ENTRY(environ_entry) entry;
945 };
946 
947 /* Client session. */
948 struct session_group {
949 	const char		*name;
950 	TAILQ_HEAD(, session)	 sessions;
951 
952 	RB_ENTRY(session_group)	 entry;
953 };
954 RB_HEAD(session_groups, session_group);
955 
956 struct session {
957 	u_int		 id;
958 
959 	char		*name;
960 	const char	*cwd;
961 
962 	struct timeval	 creation_time;
963 	struct timeval	 last_attached_time;
964 	struct timeval	 activity_time;
965 	struct timeval	 last_activity_time;
966 
967 	struct event	 lock_timer;
968 
969 	u_int		 sx;
970 	u_int		 sy;
971 
972 	struct winlink	*curw;
973 	struct winlink_stack lastw;
974 	struct winlinks	 windows;
975 
976 	int		 statusat;
977 
978 	struct hooks	*hooks;
979 	struct options	*options;
980 
981 #define SESSION_UNATTACHED 0x1	/* not attached to any clients */
982 #define SESSION_PASTING 0x2
983 #define SESSION_ALERTED 0x4
984 	int		 flags;
985 
986 	u_int		 attached;
987 
988 	struct termios	*tio;
989 
990 	struct environ	*environ;
991 
992 	int		 references;
993 
994 	TAILQ_ENTRY(session) gentry;
995 	RB_ENTRY(session)    entry;
996 };
997 RB_HEAD(sessions, session);
998 
999 /* Mouse button masks. */
1000 #define MOUSE_MASK_BUTTONS 3
1001 #define MOUSE_MASK_SHIFT 4
1002 #define MOUSE_MASK_META 8
1003 #define MOUSE_MASK_CTRL 16
1004 #define MOUSE_MASK_DRAG 32
1005 #define MOUSE_MASK_WHEEL 64
1006 
1007 /* Mouse wheel states. */
1008 #define MOUSE_WHEEL_UP 0
1009 #define MOUSE_WHEEL_DOWN 64
1010 
1011 /* Mouse helpers. */
1012 #define MOUSE_BUTTONS(b) ((b) & MOUSE_MASK_BUTTONS)
1013 #define MOUSE_WHEEL(b) ((b) & MOUSE_MASK_WHEEL)
1014 #define MOUSE_DRAG(b) ((b) & MOUSE_MASK_DRAG)
1015 #define MOUSE_RELEASE(b) (((b) & MOUSE_MASK_BUTTONS) == 3)
1016 
1017 /* Mouse input. */
1018 struct mouse_event {
1019 	int		valid;
1020 
1021 	key_code	key;
1022 	int		statusat;
1023 
1024 	u_int		x;
1025 	u_int		y;
1026 	u_int		b;
1027 
1028 	u_int		lx;
1029 	u_int		ly;
1030 	u_int		lb;
1031 
1032 	int		s;
1033 	int		w;
1034 	int		wp;
1035 
1036 	u_int		sgr_type;
1037 	u_int		sgr_b;
1038 };
1039 
1040 /* TTY information. */
1041 struct tty_key {
1042 	char		 ch;
1043 	key_code	 key;
1044 
1045 	struct tty_key	*left;
1046 	struct tty_key	*right;
1047 
1048 	struct tty_key	*next;
1049 };
1050 
1051 struct tty_code;
1052 struct tty_term {
1053 	char		*name;
1054 	u_int		 references;
1055 
1056 	char		 acs[UCHAR_MAX + 1][2];
1057 
1058 	struct tty_code	*codes;
1059 
1060 #define TERM_256COLOURS 0x1
1061 #define TERM_EARLYWRAP 0x2
1062 	int		 flags;
1063 
1064 	LIST_ENTRY(tty_term) entry;
1065 };
1066 LIST_HEAD(tty_terms, tty_term);
1067 
1068 struct tty {
1069 	struct client	*client;
1070 
1071 	u_int		 sx;
1072 	u_int		 sy;
1073 
1074 	u_int		 cx;
1075 	u_int		 cy;
1076 	u_int		 cstyle;
1077 	char		*ccolour;
1078 
1079 	int		 mode;
1080 
1081 	u_int		 rlower;
1082 	u_int		 rupper;
1083 
1084 	u_int		 rleft;
1085 	u_int		 rright;
1086 
1087 	int		 fd;
1088 	struct event	 event_in;
1089 	struct evbuffer	*in;
1090 	struct event	 event_out;
1091 	struct evbuffer	*out;
1092 	struct event	 timer;
1093 	size_t		 discarded;
1094 
1095 	struct termios	 tio;
1096 
1097 	struct grid_cell cell;
1098 
1099 	int		 last_wp;
1100 	struct grid_cell last_cell;
1101 
1102 #define TTY_NOCURSOR 0x1
1103 #define TTY_FREEZE 0x2
1104 #define TTY_TIMER 0x4
1105 #define TTY_UTF8 0x8
1106 #define TTY_STARTED 0x10
1107 #define TTY_OPENED 0x20
1108 #define TTY_FOCUS 0x40
1109 #define TTY_BLOCK 0x80
1110 	int		 flags;
1111 
1112 	struct tty_term	*term;
1113 	char		*term_name;
1114 	int		 term_flags;
1115 	enum {
1116 		TTY_VT100,
1117 		TTY_VT101,
1118 		TTY_VT102,
1119 		TTY_VT220,
1120 		TTY_VT320,
1121 		TTY_VT420,
1122 		TTY_UNKNOWN
1123 	} term_type;
1124 
1125 	struct mouse_event mouse;
1126 	int		 mouse_drag_flag;
1127 	void		(*mouse_drag_update)(struct client *,
1128 			    struct mouse_event *);
1129 	void		(*mouse_drag_release)(struct client *,
1130 			    struct mouse_event *);
1131 
1132 	struct event	 key_timer;
1133 	struct tty_key	*key_tree;
1134 };
1135 #define TTY_TYPES \
1136 	{ "VT100", "VT101", "VT102", "VT220", "VT320", "VT420", "Unknown" }
1137 
1138 /* TTY command context. */
1139 struct tty_ctx {
1140 	struct window_pane	*wp;
1141 
1142 	const struct grid_cell	*cell;
1143 	int			 wrapped;
1144 
1145 	u_int		 num;
1146 	void		*ptr;
1147 
1148 	/*
1149 	 * Cursor and region position before the screen was updated - this is
1150 	 * where the command should be applied; the values in the screen have
1151 	 * already been updated.
1152 	 */
1153 	u_int		 ocx;
1154 	u_int		 ocy;
1155 
1156 	u_int		 orupper;
1157 	u_int		 orlower;
1158 
1159 	u_int		 xoff;
1160 	u_int		 yoff;
1161 
1162 	/* The background colour used for clearing (erasing). */
1163 	u_int		 bg;
1164 };
1165 
1166 /* Saved message entry. */
1167 struct message_entry {
1168 	char	*msg;
1169 	u_int	 msg_num;
1170 	time_t	 msg_time;
1171 	TAILQ_ENTRY(message_entry) entry;
1172 };
1173 
1174 /* Parsed arguments structures. */
1175 struct args_entry;
1176 RB_HEAD(args_tree, args_entry);
1177 struct args {
1178 	struct args_tree	  tree;
1179 	int			  argc;
1180 	char			**argv;
1181 };
1182 
1183 /* Command find structures. */
1184 enum cmd_find_type {
1185 	CMD_FIND_PANE,
1186 	CMD_FIND_WINDOW,
1187 	CMD_FIND_SESSION,
1188 };
1189 struct cmd_find_state {
1190 	int			 flags;
1191 	struct cmd_find_state	*current;
1192 
1193 	struct session		*s;
1194 	struct winlink		*wl;
1195 	struct window		*w;
1196 	struct window_pane	*wp;
1197 	int			 idx;
1198 };
1199 
1200 /* Command find flags. */
1201 #define CMD_FIND_PREFER_UNATTACHED 0x1
1202 #define CMD_FIND_QUIET 0x2
1203 #define CMD_FIND_WINDOW_INDEX 0x4
1204 #define CMD_FIND_DEFAULT_MARKED 0x8
1205 #define CMD_FIND_EXACT_SESSION 0x10
1206 #define CMD_FIND_EXACT_WINDOW 0x20
1207 #define CMD_FIND_CANFAIL 0x40
1208 
1209 /* Command and list of commands. */
1210 struct cmd {
1211 	const struct cmd_entry	*entry;
1212 	struct args		*args;
1213 
1214 	char			*file;
1215 	u_int			 line;
1216 
1217 #define CMD_CONTROL 0x1
1218 	int			 flags;
1219 
1220 	TAILQ_ENTRY(cmd)	 qentry;
1221 };
1222 
1223 struct cmd_list {
1224 	int			 references;
1225 	TAILQ_HEAD(, cmd)	 list;
1226 };
1227 
1228 /* Command return values. */
1229 enum cmd_retval {
1230 	CMD_RETURN_ERROR = -1,
1231 	CMD_RETURN_NORMAL = 0,
1232 	CMD_RETURN_WAIT,
1233 	CMD_RETURN_STOP
1234 };
1235 
1236 /* Command queue item type. */
1237 enum cmdq_type {
1238 	CMDQ_COMMAND,
1239 	CMDQ_CALLBACK,
1240 };
1241 
1242 /* Command queue item shared state. */
1243 struct cmdq_shared {
1244 	int			 references;
1245 
1246 	int			 flags;
1247 #define CMDQ_SHARED_REPEAT 0x1
1248 
1249 	struct format_tree	*formats;
1250 
1251 	struct mouse_event	 mouse;
1252 	struct cmd_find_state	 current;
1253 };
1254 
1255 /* Command queue item. */
1256 typedef enum cmd_retval (*cmdq_cb) (struct cmdq_item *, void *);
1257 struct cmdq_item {
1258 	const char		*name;
1259 	struct cmdq_list	*queue;
1260 	struct cmdq_item	*next;
1261 
1262 	struct client		*client;
1263 
1264 	enum cmdq_type		 type;
1265 	u_int			 group;
1266 
1267 	u_int			 number;
1268 	time_t			 time;
1269 
1270 	int			 flags;
1271 #define CMDQ_FIRED 0x1
1272 #define CMDQ_WAITING 0x2
1273 #define CMDQ_NOHOOKS 0x4
1274 
1275 	struct cmdq_shared	*shared;
1276 	struct cmd_find_state	 source;
1277 	struct cmd_find_state	 target;
1278 
1279 	struct cmd_list		*cmdlist;
1280 	struct cmd		*cmd;
1281 
1282 	cmdq_cb			 cb;
1283 	void			*data;
1284 
1285 	TAILQ_ENTRY(cmdq_item)	 entry;
1286 };
1287 TAILQ_HEAD(cmdq_list, cmdq_item);
1288 
1289 /* Command definition flag. */
1290 struct cmd_entry_flag {
1291 	char			 flag;
1292 	enum cmd_find_type	 type;
1293 	int			 flags;
1294 };
1295 
1296 /* Command definition. */
1297 struct cmd_entry {
1298 	const char		*name;
1299 	const char		*alias;
1300 
1301 	struct {
1302 		const char	*template;
1303 		int		 lower;
1304 		int		 upper;
1305 	} args;
1306 	const char		*usage;
1307 
1308 	struct cmd_entry_flag	 source;
1309 	struct cmd_entry_flag	 target;
1310 
1311 #define CMD_STARTSERVER 0x1
1312 #define CMD_READONLY 0x2
1313 #define CMD_AFTERHOOK 0x4
1314 	int		 flags;
1315 
1316 	enum cmd_retval	 (*exec)(struct cmd *, struct cmdq_item *);
1317 };
1318 
1319 /* Status line. */
1320 struct status_line {
1321 	struct event	 timer;
1322 	struct screen	 status;
1323 	struct screen	*old_status;
1324 };
1325 
1326 /* Client connection. */
1327 typedef int (*prompt_input_cb)(struct client *, void *, const char *, int);
1328 typedef void (*prompt_free_cb)(void *);
1329 struct client {
1330 	const char	*name;
1331 	struct tmuxpeer	*peer;
1332 	struct cmdq_list queue;
1333 
1334 	pid_t		 pid;
1335 	int		 fd;
1336 	struct event	 event;
1337 	int		 retval;
1338 
1339 	struct timeval	 creation_time;
1340 	struct timeval	 activity_time;
1341 
1342 	struct environ	*environ;
1343 	struct format_job_tree	*jobs;
1344 
1345 	char		*title;
1346 	const char	*cwd;
1347 
1348 	char		*term;
1349 	char		*ttyname;
1350 	struct tty	 tty;
1351 
1352 	size_t		 written;
1353 	size_t		 discarded;
1354 	size_t		 redraw;
1355 
1356 	void		(*stdin_callback)(struct client *, int, void *);
1357 	void		*stdin_callback_data;
1358 	struct evbuffer	*stdin_data;
1359 	int		 stdin_closed;
1360 	struct evbuffer	*stdout_data;
1361 	struct evbuffer	*stderr_data;
1362 
1363 	struct event	 repeat_timer;
1364 
1365 	struct event	 click_timer;
1366 	u_int		 click_button;
1367 
1368 	struct status_line status;
1369 
1370 #define CLIENT_TERMINAL 0x1
1371 #define CLIENT_LOGIN 0x2
1372 #define CLIENT_EXIT 0x4
1373 #define CLIENT_REDRAW 0x8
1374 #define CLIENT_STATUS 0x10
1375 #define CLIENT_REPEAT 0x20
1376 #define CLIENT_SUSPENDED 0x40
1377 #define CLIENT_ATTACHED 0x80
1378 #define CLIENT_IDENTIFY 0x100
1379 #define CLIENT_DEAD 0x200
1380 #define CLIENT_BORDERS 0x400
1381 #define CLIENT_READONLY 0x800
1382 #define CLIENT_DETACHING 0x1000
1383 #define CLIENT_CONTROL 0x2000
1384 #define CLIENT_CONTROLCONTROL 0x4000
1385 #define CLIENT_FOCUSED 0x8000
1386 #define CLIENT_UTF8 0x10000
1387 #define CLIENT_256COLOURS 0x20000
1388 #define CLIENT_IDENTIFIED 0x40000
1389 #define CLIENT_STATUSFORCE 0x80000
1390 #define CLIENT_DOUBLECLICK 0x100000
1391 #define CLIENT_TRIPLECLICK 0x200000
1392 #define CLIENT_SIZECHANGED 0x400000
1393 #define CLIENT_STATUSOFF 0x800000
1394 	int		 flags;
1395 	struct key_table *keytable;
1396 
1397 	struct event	 identify_timer;
1398 	void		(*identify_callback)(struct client *,
1399 			     struct window_pane *);
1400 	void		*identify_callback_data;
1401 
1402 	char		*message_string;
1403 	struct event	 message_timer;
1404 	u_int		 message_next;
1405 	TAILQ_HEAD(, message_entry) message_log;
1406 
1407 	char		*prompt_string;
1408 	struct utf8_data *prompt_buffer;
1409 	size_t		 prompt_index;
1410 	prompt_input_cb	 prompt_inputcb;
1411 	prompt_free_cb	 prompt_freecb;
1412 	void		*prompt_data;
1413 	u_int		 prompt_hindex;
1414 	enum { PROMPT_ENTRY, PROMPT_COMMAND } prompt_mode;
1415 
1416 #define PROMPT_SINGLE 0x1
1417 #define PROMPT_NUMERIC 0x2
1418 #define PROMPT_INCREMENTAL 0x4
1419 #define PROMPT_NOFORMAT 0x8
1420 	int		 prompt_flags;
1421 
1422 	struct session	*session;
1423 	struct session	*last_session;
1424 
1425 	int		 wlmouse;
1426 
1427 	int		 references;
1428 
1429 	TAILQ_ENTRY(client) entry;
1430 };
1431 TAILQ_HEAD(clients, client);
1432 
1433 /* Key binding and key table. */
1434 struct key_binding {
1435 	key_code		 key;
1436 	struct cmd_list		*cmdlist;
1437 
1438 	int			 flags;
1439 #define KEY_BINDING_REPEAT 0x1
1440 
1441 	RB_ENTRY(key_binding)	 entry;
1442 };
1443 RB_HEAD(key_bindings, key_binding);
1444 
1445 struct key_table {
1446 	const char		 *name;
1447 	struct key_bindings	 key_bindings;
1448 
1449 	u_int			 references;
1450 
1451 	RB_ENTRY(key_table)	 entry;
1452 };
1453 RB_HEAD(key_tables, key_table);
1454 
1455 /* Option table entries. */
1456 enum options_table_type {
1457 	OPTIONS_TABLE_STRING,
1458 	OPTIONS_TABLE_NUMBER,
1459 	OPTIONS_TABLE_KEY,
1460 	OPTIONS_TABLE_COLOUR,
1461 	OPTIONS_TABLE_ATTRIBUTES,
1462 	OPTIONS_TABLE_FLAG,
1463 	OPTIONS_TABLE_CHOICE,
1464 	OPTIONS_TABLE_STYLE,
1465 	OPTIONS_TABLE_ARRAY,
1466 };
1467 enum options_table_scope {
1468 	OPTIONS_TABLE_NONE,
1469 	OPTIONS_TABLE_SERVER,
1470 	OPTIONS_TABLE_SESSION,
1471 	OPTIONS_TABLE_WINDOW,
1472 };
1473 
1474 struct options_table_entry {
1475 	const char		 *name;
1476 	enum options_table_type	  type;
1477 	enum options_table_scope  scope;
1478 
1479 	u_int			  minimum;
1480 	u_int			  maximum;
1481 	const char		**choices;
1482 
1483 	const char		 *default_str;
1484 	long long		  default_num;
1485 
1486 	const char		 *separator;
1487 	const char		 *style;
1488 };
1489 
1490 /* Common command usages. */
1491 #define CMD_TARGET_PANE_USAGE "[-t target-pane]"
1492 #define CMD_TARGET_WINDOW_USAGE "[-t target-window]"
1493 #define CMD_TARGET_SESSION_USAGE "[-t target-session]"
1494 #define CMD_TARGET_CLIENT_USAGE "[-t target-client]"
1495 #define CMD_SRCDST_PANE_USAGE "[-s src-pane] [-t dst-pane]"
1496 #define CMD_SRCDST_WINDOW_USAGE "[-s src-window] [-t dst-window]"
1497 #define CMD_SRCDST_SESSION_USAGE "[-s src-session] [-t dst-session]"
1498 #define CMD_SRCDST_CLIENT_USAGE "[-s src-client] [-t dst-client]"
1499 #define CMD_BUFFER_USAGE "[-b buffer-name]"
1500 
1501 /* tmux.c */
1502 extern struct hooks	*global_hooks;
1503 extern struct options	*global_options;
1504 extern struct options	*global_s_options;
1505 extern struct options	*global_w_options;
1506 extern struct environ	*global_environ;
1507 extern struct timeval	 start_time;
1508 extern const char	*socket_path;
1509 extern const char	*shell_command;
1510 extern int		 ptm_fd;
1511 extern const char	*shell_command;
1512 int		 areshell(const char *);
1513 void		 setblocking(int, int);
1514 const char	*find_home(void);
1515 
1516 /* proc.c */
1517 struct imsg;
1518 int	proc_send(struct tmuxpeer *, enum msgtype, int, const void *, size_t);
1519 struct tmuxproc *proc_start(const char *);
1520 void	proc_loop(struct tmuxproc *, int (*)(void));
1521 void	proc_exit(struct tmuxproc *);
1522 void	proc_set_signals(struct tmuxproc *, void(*)(int));
1523 void	proc_clear_signals(struct tmuxproc *, int);
1524 struct tmuxpeer *proc_add_peer(struct tmuxproc *, int,
1525 	    void (*)(struct imsg *, void *), void *);
1526 void	proc_remove_peer(struct tmuxpeer *);
1527 void	proc_kill_peer(struct tmuxpeer *);
1528 void	proc_toggle_log(struct tmuxproc *);
1529 
1530 /* cfg.c */
1531 extern int cfg_finished;
1532 void	start_cfg(void);
1533 int	load_cfg(const char *, struct client *, struct cmdq_item *, int);
1534 void	set_cfg_file(const char *);
1535 void printflike(1, 2) cfg_add_cause(const char *, ...);
1536 void	cfg_print_causes(struct cmdq_item *);
1537 void	cfg_show_causes(struct session *);
1538 
1539 /* paste.c */
1540 struct paste_buffer;
1541 const char	*paste_buffer_name(struct paste_buffer *);
1542 u_int		 paste_buffer_order(struct paste_buffer *);
1543 time_t		 paste_buffer_created(struct paste_buffer *);
1544 const char	*paste_buffer_data(struct paste_buffer *, size_t *);
1545 struct paste_buffer *paste_walk(struct paste_buffer *);
1546 struct paste_buffer *paste_get_top(const char **);
1547 struct paste_buffer *paste_get_name(const char *);
1548 void		 paste_free(struct paste_buffer *);
1549 void		 paste_add(char *, size_t);
1550 int		 paste_rename(const char *, const char *, char **);
1551 int		 paste_set(char *, size_t, const char *, char **);
1552 char		*paste_make_sample(struct paste_buffer *);
1553 
1554 /* format.c */
1555 #define FORMAT_STATUS 0x1
1556 #define FORMAT_FORCE 0x2
1557 #define FORMAT_NOJOBS 0x4
1558 #define FORMAT_NONE 0
1559 #define FORMAT_PANE 0x80000000U
1560 #define FORMAT_WINDOW 0x40000000U
1561 struct format_tree;
1562 int		 format_true(const char *);
1563 struct format_tree *format_create(struct client *, struct cmdq_item *, int,
1564 		     int);
1565 void		 format_free(struct format_tree *);
1566 void printflike(3, 4) format_add(struct format_tree *, const char *,
1567 		     const char *, ...);
1568 char		*format_expand_time(struct format_tree *, const char *, time_t);
1569 char		*format_expand(struct format_tree *, const char *);
1570 char		*format_single(struct cmdq_item *, const char *,
1571 		     struct client *, struct session *, struct winlink *,
1572 		     struct window_pane *);
1573 void		 format_defaults(struct format_tree *, struct client *,
1574 		     struct session *, struct winlink *, struct window_pane *);
1575 void		 format_defaults_window(struct format_tree *, struct window *);
1576 void		 format_defaults_pane(struct format_tree *,
1577 		     struct window_pane *);
1578 void		 format_defaults_paste_buffer(struct format_tree *,
1579 		     struct paste_buffer *);
1580 void		 format_lost_client(struct client *);
1581 
1582 /* hooks.c */
1583 struct hook;
1584 struct hooks	*hooks_get(struct session *);
1585 struct hooks	*hooks_create(struct hooks *);
1586 void		 hooks_free(struct hooks *);
1587 struct hook	*hooks_first(struct hooks *);
1588 struct hook	*hooks_next(struct hook *);
1589 void		 hooks_add(struct hooks *, const char *, struct cmd_list *);
1590 void		 hooks_copy(struct hooks *, struct hooks *);
1591 void		 hooks_remove(struct hooks *, const char *);
1592 struct hook	*hooks_find(struct hooks *, const char *);
1593 void printflike(4, 5) hooks_insert(struct hooks *, struct cmdq_item *,
1594 		    struct cmd_find_state *, const char *, ...);
1595 
1596 /* notify.c */
1597 void	notify_input(struct window_pane *, struct evbuffer *);
1598 void	notify_client(const char *, struct client *);
1599 void	notify_session(const char *, struct session *);
1600 void	notify_winlink(const char *, struct winlink *);
1601 void	notify_session_window(const char *, struct session *, struct window *);
1602 void	notify_window(const char *, struct window *);
1603 void	notify_pane(const char *, struct window_pane *);
1604 
1605 /* options.c */
1606 struct options	*options_create(struct options *);
1607 void		 options_free(struct options *);
1608 struct options_entry *options_first(struct options *);
1609 struct options_entry *options_next(struct options_entry *);
1610 struct options_entry *options_empty(struct options *,
1611 		     const struct options_table_entry *);
1612 struct options_entry *options_default(struct options *,
1613 		     const struct options_table_entry *);
1614 const char	*options_name(struct options_entry *);
1615 const struct options_table_entry *options_table_entry(struct options_entry *);
1616 struct options_entry *options_get_only(struct options *, const char *);
1617 struct options_entry *options_get(struct options *, const char *);
1618 void		 options_remove(struct options_entry *);
1619 void		 options_array_clear(struct options_entry *);
1620 const char	*options_array_get(struct options_entry *, u_int);
1621 int		 options_array_set(struct options_entry *, u_int, const char *,
1622 		     int);
1623 int		 options_array_size(struct options_entry *, u_int *);
1624 void		 options_array_assign(struct options_entry *, const char *);
1625 int		 options_isstring(struct options_entry *);
1626 const char	*options_tostring(struct options_entry *, int, int);
1627 char		*options_parse(const char *, int *);
1628 struct options_entry *options_parse_get(struct options *, const char *, int *,
1629 		     int);
1630 char		*options_match(const char *, int *, int *);
1631 struct options_entry *options_match_get(struct options *, const char *, int *,
1632 		     int, int *);
1633 const char	*options_get_string(struct options *, const char *);
1634 long long	 options_get_number(struct options *, const char *);
1635 const struct grid_cell *options_get_style(struct options *, const char *);
1636 struct options_entry * printflike(4, 5) options_set_string(struct options *,
1637 		     const char *, int, const char *, ...);
1638 struct options_entry *options_set_number(struct options *, const char *,
1639 		     long long);
1640 struct options_entry *options_set_style(struct options *, const char *, int,
1641 		     const char *);
1642 enum options_table_scope options_scope_from_flags(struct args *, int,
1643 		     struct cmd_find_state *, struct options **, char **);
1644 void		 options_style_update_new(struct options *,
1645 		     struct options_entry *);
1646 void		 options_style_update_old(struct options *,
1647 		     struct options_entry *);
1648 
1649 /* options-table.c */
1650 extern const struct options_table_entry options_table[];
1651 
1652 /* job.c */
1653 extern struct joblist all_jobs;
1654 struct job	*job_run(const char *, struct session *, const char *,
1655 		     job_update_cb, job_complete_cb, job_free_cb, void *, int);
1656 void		 job_free(struct job *);
1657 void		 job_died(struct job *, int);
1658 
1659 /* environ.c */
1660 struct environ *environ_create(void);
1661 void	environ_free(struct environ *);
1662 struct environ_entry *environ_first(struct environ *);
1663 struct environ_entry *environ_next(struct environ_entry *);
1664 void	environ_copy(struct environ *, struct environ *);
1665 struct environ_entry *environ_find(struct environ *, const char *);
1666 void printflike(3, 4) environ_set(struct environ *, const char *, const char *,
1667 	    ...);
1668 void	environ_clear(struct environ *, const char *);
1669 void	environ_put(struct environ *, const char *);
1670 void	environ_unset(struct environ *, const char *);
1671 void	environ_update(struct options *, struct environ *, struct environ *);
1672 void	environ_push(struct environ *);
1673 void printflike(2, 3) environ_log(struct environ *, const char *, ...);
1674 struct environ *environ_for_session(struct session *, int);
1675 
1676 /* tty.c */
1677 void	tty_create_log(void);
1678 void	tty_raw(struct tty *, const char *);
1679 void	tty_attributes(struct tty *, const struct grid_cell *,
1680 	    const struct window_pane *);
1681 void	tty_reset(struct tty *);
1682 void	tty_region_off(struct tty *);
1683 void	tty_margin_off(struct tty *);
1684 void	tty_cursor(struct tty *, u_int, u_int);
1685 void	tty_putcode(struct tty *, enum tty_code_code);
1686 void	tty_putcode1(struct tty *, enum tty_code_code, int);
1687 void	tty_putcode2(struct tty *, enum tty_code_code, int, int);
1688 void	tty_putcode3(struct tty *, enum tty_code_code, int, int, int);
1689 void	tty_putcode_ptr1(struct tty *, enum tty_code_code, const void *);
1690 void	tty_putcode_ptr2(struct tty *, enum tty_code_code, const void *,
1691 	    const void *);
1692 void	tty_puts(struct tty *, const char *);
1693 void	tty_putc(struct tty *, u_char);
1694 void	tty_putn(struct tty *, const void *, size_t, u_int);
1695 int	tty_init(struct tty *, struct client *, int, char *);
1696 void	tty_resize(struct tty *);
1697 void	tty_set_size(struct tty *, u_int, u_int);
1698 void	tty_start_tty(struct tty *);
1699 void	tty_stop_tty(struct tty *);
1700 void	tty_set_title(struct tty *, const char *);
1701 void	tty_update_mode(struct tty *, int, struct screen *);
1702 void	tty_draw_pane(struct tty *, const struct window_pane *, u_int, u_int,
1703 	    u_int);
1704 void	tty_draw_line(struct tty *, const struct window_pane *, struct screen *,
1705 	    u_int, u_int, u_int);
1706 int	tty_open(struct tty *, char **);
1707 void	tty_close(struct tty *);
1708 void	tty_free(struct tty *);
1709 void	tty_set_type(struct tty *, int);
1710 void	tty_write(void (*)(struct tty *, const struct tty_ctx *),
1711 	    struct tty_ctx *);
1712 void	tty_cmd_alignmenttest(struct tty *, const struct tty_ctx *);
1713 void	tty_cmd_cell(struct tty *, const struct tty_ctx *);
1714 void	tty_cmd_cells(struct tty *, const struct tty_ctx *);
1715 void	tty_cmd_clearendofline(struct tty *, const struct tty_ctx *);
1716 void	tty_cmd_clearendofscreen(struct tty *, const struct tty_ctx *);
1717 void	tty_cmd_clearline(struct tty *, const struct tty_ctx *);
1718 void	tty_cmd_clearscreen(struct tty *, const struct tty_ctx *);
1719 void	tty_cmd_clearstartofline(struct tty *, const struct tty_ctx *);
1720 void	tty_cmd_clearstartofscreen(struct tty *, const struct tty_ctx *);
1721 void	tty_cmd_deletecharacter(struct tty *, const struct tty_ctx *);
1722 void	tty_cmd_clearcharacter(struct tty *, const struct tty_ctx *);
1723 void	tty_cmd_deleteline(struct tty *, const struct tty_ctx *);
1724 void	tty_cmd_erasecharacter(struct tty *, const struct tty_ctx *);
1725 void	tty_cmd_insertcharacter(struct tty *, const struct tty_ctx *);
1726 void	tty_cmd_insertline(struct tty *, const struct tty_ctx *);
1727 void	tty_cmd_linefeed(struct tty *, const struct tty_ctx *);
1728 void	tty_cmd_scrollup(struct tty *, const struct tty_ctx *);
1729 void	tty_cmd_reverseindex(struct tty *, const struct tty_ctx *);
1730 void	tty_cmd_setselection(struct tty *, const struct tty_ctx *);
1731 void	tty_cmd_rawstring(struct tty *, const struct tty_ctx *);
1732 
1733 /* tty-term.c */
1734 extern struct tty_terms tty_terms;
1735 u_int		 tty_term_ncodes(void);
1736 struct tty_term *tty_term_find(char *, int, char **);
1737 void		 tty_term_free(struct tty_term *);
1738 int		 tty_term_has(struct tty_term *, enum tty_code_code);
1739 const char	*tty_term_string(struct tty_term *, enum tty_code_code);
1740 const char	*tty_term_string1(struct tty_term *, enum tty_code_code, int);
1741 const char	*tty_term_string2(struct tty_term *, enum tty_code_code, int,
1742 		     int);
1743 const char	*tty_term_string3(struct tty_term *, enum tty_code_code, int,
1744 		     int, int);
1745 const char	*tty_term_ptr1(struct tty_term *, enum tty_code_code,
1746 		     const void *);
1747 const char	*tty_term_ptr2(struct tty_term *, enum tty_code_code,
1748 		     const void *, const void *);
1749 int		 tty_term_number(struct tty_term *, enum tty_code_code);
1750 int		 tty_term_flag(struct tty_term *, enum tty_code_code);
1751 const char	*tty_term_describe(struct tty_term *, enum tty_code_code);
1752 
1753 /* tty-acs.c */
1754 int		 tty_acs_needed(struct tty *);
1755 const char	*tty_acs_get(struct tty *, u_char);
1756 
1757 /* tty-keys.c */
1758 void		tty_keys_build(struct tty *);
1759 void		tty_keys_free(struct tty *);
1760 key_code	tty_keys_next(struct tty *);
1761 
1762 /* arguments.c */
1763 void		 args_set(struct args *, u_char, const char *);
1764 struct args	*args_parse(const char *, int, char **);
1765 void		 args_free(struct args *);
1766 char		*args_print(struct args *);
1767 int		 args_has(struct args *, u_char);
1768 const char	*args_get(struct args *, u_char);
1769 long long	 args_strtonum(struct args *, u_char, long long, long long,
1770 		     char **);
1771 
1772 /* cmd-find.c */
1773 int		 cmd_find_target(struct cmd_find_state *, struct cmdq_item *,
1774 		     const char *, enum cmd_find_type, int);
1775 struct client	*cmd_find_client(struct cmdq_item *, const char *, int);
1776 void		 cmd_find_clear_state(struct cmd_find_state *, int);
1777 int		 cmd_find_empty_state(struct cmd_find_state *);
1778 int		 cmd_find_valid_state(struct cmd_find_state *);
1779 void		 cmd_find_copy_state(struct cmd_find_state *,
1780 		     struct cmd_find_state *);
1781 void		 cmd_find_log_state(const char *, struct cmd_find_state *);
1782 void		 cmd_find_from_session(struct cmd_find_state *,
1783 		     struct session *, int);
1784 void		 cmd_find_from_winlink(struct cmd_find_state *,
1785 		     struct winlink *, int);
1786 int		 cmd_find_from_session_window(struct cmd_find_state *,
1787 		     struct session *, struct window *, int);
1788 int		 cmd_find_from_window(struct cmd_find_state *, struct window *,
1789 		     int);
1790 void		 cmd_find_from_winlink_pane(struct cmd_find_state *,
1791 		     struct winlink *, struct window_pane *, int);
1792 int		 cmd_find_from_pane(struct cmd_find_state *,
1793 		     struct window_pane *, int);
1794 int		 cmd_find_from_client(struct cmd_find_state *, struct client *,
1795 		     int);
1796 int		 cmd_find_from_mouse(struct cmd_find_state *,
1797 		     struct mouse_event *, int);
1798 int		 cmd_find_from_nothing(struct cmd_find_state *, int);
1799 
1800 /* cmd.c */
1801 int		 cmd_pack_argv(int, char **, char *, size_t);
1802 int		 cmd_unpack_argv(char *, size_t, int, char ***);
1803 char	       **cmd_copy_argv(int, char **);
1804 void		 cmd_free_argv(int, char **);
1805 char		*cmd_stringify_argv(int, char **);
1806 struct cmd	*cmd_parse(int, char **, const char *, u_int, char **);
1807 char		*cmd_print(struct cmd *);
1808 int		 cmd_mouse_at(struct window_pane *, struct mouse_event *,
1809 		     u_int *, u_int *, int);
1810 struct winlink	*cmd_mouse_window(struct mouse_event *, struct session **);
1811 struct window_pane *cmd_mouse_pane(struct mouse_event *, struct session **,
1812 		     struct winlink **);
1813 char		*cmd_template_replace(const char *, const char *, int);
1814 extern const struct cmd_entry *cmd_table[];
1815 
1816 /* cmd-attach-session.c */
1817 enum cmd_retval	 cmd_attach_session(struct cmdq_item *, const char *, int, int,
1818 		     const char *, int);
1819 
1820 /* cmd-list.c */
1821 struct cmd_list	*cmd_list_parse(int, char **, const char *, u_int, char **);
1822 void		 cmd_list_free(struct cmd_list *);
1823 char		*cmd_list_print(struct cmd_list *);
1824 
1825 /* cmd-queue.c */
1826 struct cmdq_item *cmdq_get_command(struct cmd_list *, struct cmd_find_state *,
1827 		     struct mouse_event *, int);
1828 #define cmdq_get_callback(cb, data) cmdq_get_callback1(#cb, cb, data)
1829 struct cmdq_item *cmdq_get_callback1(const char *, cmdq_cb, void *);
1830 void		 cmdq_insert_after(struct cmdq_item *, struct cmdq_item *);
1831 void		 cmdq_append(struct client *, struct cmdq_item *);
1832 void printflike(3, 4) cmdq_format(struct cmdq_item *, const char *,
1833 		     const char *, ...);
1834 u_int		 cmdq_next(struct client *);
1835 void		 cmdq_guard(struct cmdq_item *, const char *, int);
1836 void printflike(2, 3) cmdq_print(struct cmdq_item *, const char *, ...);
1837 void printflike(2, 3) cmdq_error(struct cmdq_item *, const char *, ...);
1838 
1839 /* cmd-string.c */
1840 int		 cmd_string_split(const char *, int *, char ***);
1841 struct cmd_list	*cmd_string_parse(const char *, const char *, u_int, char **);
1842 
1843 /* cmd-wait-for.c */
1844 void	cmd_wait_for_flush(void);
1845 
1846 /* client.c */
1847 int	client_main(struct event_base *, int, char **, int);
1848 
1849 /* key-bindings.c */
1850 RB_PROTOTYPE(key_bindings, key_binding, entry, key_bindings_cmp);
1851 RB_PROTOTYPE(key_tables, key_table, entry, key_table_cmp);
1852 extern struct key_tables key_tables;
1853 int	 key_table_cmp(struct key_table *, struct key_table *);
1854 int	 key_bindings_cmp(struct key_binding *, struct key_binding *);
1855 struct key_table *key_bindings_get_table(const char *, int);
1856 void	 key_bindings_unref_table(struct key_table *);
1857 void	 key_bindings_add(const char *, key_code, int, struct cmd_list *);
1858 void	 key_bindings_remove(const char *, key_code);
1859 void	 key_bindings_remove_table(const char *);
1860 void	 key_bindings_init(void);
1861 void	 key_bindings_dispatch(struct key_binding *, struct cmdq_item *,
1862 	     struct client *, struct mouse_event *, struct cmd_find_state *);
1863 
1864 /* key-string.c */
1865 key_code	 key_string_lookup_string(const char *);
1866 const char	*key_string_lookup_key(key_code);
1867 
1868 /* alerts.c */
1869 void	alerts_reset_all(void);
1870 void	alerts_queue(struct window *, int);
1871 void	alerts_check_session(struct session *);
1872 
1873 /* server.c */
1874 extern struct tmuxproc *server_proc;
1875 extern struct clients clients;
1876 extern struct cmd_find_state marked_pane;
1877 void	 server_set_marked(struct session *, struct winlink *,
1878 	     struct window_pane *);
1879 void	 server_clear_marked(void);
1880 int	 server_is_marked(struct session *, struct winlink *,
1881 	     struct window_pane *);
1882 int	 server_check_marked(void);
1883 int	 server_start(struct tmuxproc *, struct event_base *, int, char *);
1884 void	 server_update_socket(void);
1885 void	 server_add_accept(int);
1886 
1887 /* server-client.c */
1888 u_int	 server_client_how_many(void);
1889 void	 server_client_set_identify(struct client *, u_int);
1890 void	 server_client_clear_identify(struct client *, struct window_pane *);
1891 void	 server_client_set_key_table(struct client *, const char *);
1892 const char *server_client_get_key_table(struct client *);
1893 int	 server_client_check_nested(struct client *);
1894 void	 server_client_handle_key(struct client *, key_code);
1895 struct client *server_client_create(int);
1896 int	 server_client_open(struct client *, char **);
1897 void	 server_client_unref(struct client *);
1898 void	 server_client_lost(struct client *);
1899 void	 server_client_suspend(struct client *);
1900 void	 server_client_detach(struct client *, enum msgtype);
1901 void	 server_client_exec(struct client *, const char *);
1902 void	 server_client_loop(void);
1903 void	 server_client_push_stdout(struct client *);
1904 void	 server_client_push_stderr(struct client *);
1905 void printflike(2, 3) server_client_add_message(struct client *, const char *,
1906 	     ...);
1907 char	*server_client_get_path(struct client *, const char *);
1908 const char *server_client_get_cwd(struct client *);
1909 
1910 /* server-fn.c */
1911 void	 server_redraw_client(struct client *);
1912 void	 server_status_client(struct client *);
1913 void	 server_redraw_session(struct session *);
1914 void	 server_redraw_session_group(struct session *);
1915 void	 server_status_session(struct session *);
1916 void	 server_status_session_group(struct session *);
1917 void	 server_redraw_window(struct window *);
1918 void	 server_redraw_window_borders(struct window *);
1919 void	 server_status_window(struct window *);
1920 void	 server_lock(void);
1921 void	 server_lock_session(struct session *);
1922 void	 server_lock_client(struct client *);
1923 void	 server_kill_window(struct window *);
1924 int	 server_link_window(struct session *,
1925 	     struct winlink *, struct session *, int, int, int, char **);
1926 void	 server_unlink_window(struct session *, struct winlink *);
1927 void	 server_destroy_pane(struct window_pane *, int);
1928 void	 server_destroy_session(struct session *);
1929 void	 server_check_unattached(void);
1930 int	 server_set_stdin_callback(struct client *, void (*)(struct client *,
1931 	     int, void *), void *, char **);
1932 void	 server_unzoom_window(struct window *);
1933 
1934 /* status.c */
1935 void	 status_timer_start(struct client *);
1936 void	 status_timer_start_all(void);
1937 void	 status_update_saved(struct session *s);
1938 int	 status_at_line(struct client *);
1939 u_int	 status_line_size(struct session *);
1940 struct window *status_get_window_at(struct client *, u_int);
1941 int	 status_redraw(struct client *);
1942 void printflike(2, 3) status_message_set(struct client *, const char *, ...);
1943 void	 status_message_clear(struct client *);
1944 int	 status_message_redraw(struct client *);
1945 void	 status_prompt_set(struct client *, const char *, const char *,
1946 	     prompt_input_cb, prompt_free_cb, void *, int);
1947 void	 status_prompt_clear(struct client *);
1948 int	 status_prompt_redraw(struct client *);
1949 int	 status_prompt_key(struct client *, key_code);
1950 void	 status_prompt_update(struct client *, const char *, const char *);
1951 void	 status_prompt_load_history(void);
1952 void	 status_prompt_save_history(void);
1953 
1954 /* resize.c */
1955 void	 recalculate_sizes(void);
1956 
1957 /* input.c */
1958 void	 input_init(struct window_pane *);
1959 void	 input_free(struct window_pane *);
1960 void	 input_reset(struct window_pane *, int);
1961 struct evbuffer *input_pending(struct window_pane *);
1962 void	 input_parse(struct window_pane *);
1963 
1964 /* input-key.c */
1965 void	 input_key(struct window_pane *, key_code, struct mouse_event *);
1966 
1967 /* xterm-keys.c */
1968 char	*xterm_keys_lookup(key_code);
1969 int	 xterm_keys_find(const char *, size_t, size_t *, key_code *);
1970 
1971 /* colour.c */
1972 int	 colour_find_rgb(u_char, u_char, u_char);
1973 int	 colour_join_rgb(u_char, u_char, u_char);
1974 void	 colour_split_rgb(int, u_char *, u_char *, u_char *);
1975 const char *colour_tostring(int);
1976 int	 colour_fromstring(const char *s);
1977 u_char	 colour_256to16(u_char);
1978 
1979 /* attributes.c */
1980 const char *attributes_tostring(int);
1981 int	 attributes_fromstring(const char *);
1982 
1983 /* grid.c */
1984 extern const struct grid_cell grid_default_cell;
1985 int	 grid_cells_equal(const struct grid_cell *, const struct grid_cell *);
1986 struct grid *grid_create(u_int, u_int, u_int);
1987 void	 grid_destroy(struct grid *);
1988 int	 grid_compare(struct grid *, struct grid *);
1989 void	 grid_collect_history(struct grid *);
1990 void	 grid_scroll_history(struct grid *, u_int);
1991 void	 grid_scroll_history_region(struct grid *, u_int, u_int, u_int);
1992 void	 grid_clear_history(struct grid *);
1993 const struct grid_line *grid_peek_line(struct grid *, u_int);
1994 void	 grid_get_cell(struct grid *, u_int, u_int, struct grid_cell *);
1995 void	 grid_set_cell(struct grid *, u_int, u_int, const struct grid_cell *);
1996 void	 grid_set_cells(struct grid *, u_int, u_int, const struct grid_cell *,
1997 	     const char *, size_t);
1998 void	 grid_clear(struct grid *, u_int, u_int, u_int, u_int, u_int);
1999 void	 grid_clear_lines(struct grid *, u_int, u_int, u_int);
2000 void	 grid_move_lines(struct grid *, u_int, u_int, u_int, u_int);
2001 void	 grid_move_cells(struct grid *, u_int, u_int, u_int, u_int, u_int);
2002 char	*grid_string_cells(struct grid *, u_int, u_int, u_int,
2003 	     struct grid_cell **, int, int, int);
2004 void	 grid_duplicate_lines(struct grid *, u_int, struct grid *, u_int,
2005 	     u_int);
2006 void	 grid_reflow(struct grid *, u_int, u_int *);
2007 
2008 /* grid-view.c */
2009 void	 grid_view_get_cell(struct grid *, u_int, u_int, struct grid_cell *);
2010 void	 grid_view_set_cell(struct grid *, u_int, u_int,
2011 	     const struct grid_cell *);
2012 void	 grid_view_set_cells(struct grid *, u_int, u_int,
2013 	     const struct grid_cell *, const char *, size_t);
2014 void	 grid_view_clear_history(struct grid *, u_int);
2015 void	 grid_view_clear(struct grid *, u_int, u_int, u_int, u_int, u_int);
2016 void	 grid_view_scroll_region_up(struct grid *, u_int, u_int, u_int);
2017 void	 grid_view_scroll_region_down(struct grid *, u_int, u_int, u_int);
2018 void	 grid_view_insert_lines(struct grid *, u_int, u_int, u_int);
2019 void	 grid_view_insert_lines_region(struct grid *, u_int, u_int, u_int,
2020 	u_int);
2021 void	 grid_view_delete_lines(struct grid *, u_int, u_int, u_int);
2022 void	 grid_view_delete_lines_region(struct grid *, u_int, u_int, u_int,
2023 	u_int);
2024 void	 grid_view_insert_cells(struct grid *, u_int, u_int, u_int, u_int);
2025 void	 grid_view_delete_cells(struct grid *, u_int, u_int, u_int, u_int);
2026 char	*grid_view_string_cells(struct grid *, u_int, u_int, u_int);
2027 
2028 /* screen-write.c */
2029 void	 screen_write_start(struct screen_write_ctx *, struct window_pane *,
2030 	     struct screen *);
2031 void	 screen_write_stop(struct screen_write_ctx *);
2032 void	 screen_write_reset(struct screen_write_ctx *);
2033 size_t printflike(1, 2) screen_write_cstrlen(const char *, ...);
2034 void printflike(4, 5) screen_write_cnputs(struct screen_write_ctx *,
2035 	     ssize_t, const struct grid_cell *, const char *, ...);
2036 size_t printflike(1, 2) screen_write_strlen(const char *, ...);
2037 void printflike(3, 4) screen_write_puts(struct screen_write_ctx *,
2038 	     const struct grid_cell *, const char *, ...);
2039 void printflike(4, 5) screen_write_nputs(struct screen_write_ctx *,
2040 	     ssize_t, const struct grid_cell *, const char *, ...);
2041 void	 screen_write_vnputs(struct screen_write_ctx *, ssize_t,
2042 	     const struct grid_cell *, const char *, va_list);
2043 void	 screen_write_putc(struct screen_write_ctx *, const struct grid_cell *,
2044 	     u_char);
2045 void	 screen_write_copy(struct screen_write_ctx *, struct screen *, u_int,
2046 	     u_int, u_int, u_int, bitstr_t *, const struct grid_cell *);
2047 void	 screen_write_fast_copy(struct screen_write_ctx *, struct screen *,
2048 	     u_int, u_int, u_int, u_int);
2049 void	 screen_write_hline(struct screen_write_ctx *, u_int, int, int);
2050 void	 screen_write_vline(struct screen_write_ctx *, u_int, int, int);
2051 void	 screen_write_box(struct screen_write_ctx *, u_int, u_int);
2052 void	 screen_write_preview(struct screen_write_ctx *, struct screen *, u_int,
2053 	     u_int);
2054 void	 screen_write_backspace(struct screen_write_ctx *);
2055 void	 screen_write_mode_set(struct screen_write_ctx *, int);
2056 void	 screen_write_mode_clear(struct screen_write_ctx *, int);
2057 void	 screen_write_cursorup(struct screen_write_ctx *, u_int);
2058 void	 screen_write_cursordown(struct screen_write_ctx *, u_int);
2059 void	 screen_write_cursorright(struct screen_write_ctx *, u_int);
2060 void	 screen_write_cursorleft(struct screen_write_ctx *, u_int);
2061 void	 screen_write_alignmenttest(struct screen_write_ctx *);
2062 void	 screen_write_insertcharacter(struct screen_write_ctx *, u_int, u_int);
2063 void	 screen_write_deletecharacter(struct screen_write_ctx *, u_int, u_int);
2064 void	 screen_write_clearcharacter(struct screen_write_ctx *, u_int, u_int);
2065 void	 screen_write_insertline(struct screen_write_ctx *, u_int, u_int);
2066 void	 screen_write_deleteline(struct screen_write_ctx *, u_int, u_int);
2067 void	 screen_write_clearline(struct screen_write_ctx *, u_int);
2068 void	 screen_write_clearendofline(struct screen_write_ctx *, u_int);
2069 void	 screen_write_clearstartofline(struct screen_write_ctx *, u_int);
2070 void	 screen_write_cursormove(struct screen_write_ctx *, u_int, u_int);
2071 void	 screen_write_reverseindex(struct screen_write_ctx *, u_int);
2072 void	 screen_write_scrollregion(struct screen_write_ctx *, u_int, u_int);
2073 void	 screen_write_linefeed(struct screen_write_ctx *, int, u_int);
2074 void	 screen_write_scrollup(struct screen_write_ctx *, u_int, u_int);
2075 void	 screen_write_carriagereturn(struct screen_write_ctx *);
2076 void	 screen_write_clearendofscreen(struct screen_write_ctx *, u_int);
2077 void	 screen_write_clearstartofscreen(struct screen_write_ctx *, u_int);
2078 void	 screen_write_clearscreen(struct screen_write_ctx *, u_int);
2079 void	 screen_write_clearhistory(struct screen_write_ctx *);
2080 void	 screen_write_collect_end(struct screen_write_ctx *);
2081 void	 screen_write_collect_add(struct screen_write_ctx *,
2082 	     const struct grid_cell *);
2083 void	 screen_write_cell(struct screen_write_ctx *, const struct grid_cell *);
2084 void	 screen_write_setselection(struct screen_write_ctx *, u_char *, u_int);
2085 void	 screen_write_rawstring(struct screen_write_ctx *, u_char *, u_int);
2086 
2087 /* screen-redraw.c */
2088 void	 screen_redraw_update(struct client *);
2089 void	 screen_redraw_screen(struct client *, int, int, int);
2090 void	 screen_redraw_pane(struct client *, struct window_pane *);
2091 
2092 /* screen.c */
2093 void	 screen_init(struct screen *, u_int, u_int, u_int);
2094 void	 screen_reinit(struct screen *);
2095 void	 screen_free(struct screen *);
2096 void	 screen_reset_tabs(struct screen *);
2097 void	 screen_set_cursor_style(struct screen *, u_int);
2098 void	 screen_set_cursor_colour(struct screen *, const char *);
2099 void	 screen_set_title(struct screen *, const char *);
2100 void	 screen_push_title(struct screen *);
2101 void	 screen_pop_title(struct screen *);
2102 void	 screen_resize(struct screen *, u_int, u_int, int);
2103 void	 screen_set_selection(struct screen *,
2104 	     u_int, u_int, u_int, u_int, u_int, struct grid_cell *);
2105 void	 screen_clear_selection(struct screen *);
2106 void	 screen_hide_selection(struct screen *);
2107 int	 screen_check_selection(struct screen *, u_int, u_int);
2108 void	 screen_select_cell(struct screen *, struct grid_cell *,
2109 	     const struct grid_cell *);
2110 
2111 /* window.c */
2112 extern struct windows windows;
2113 extern struct window_pane_tree all_window_panes;
2114 int		 window_cmp(struct window *, struct window *);
2115 RB_PROTOTYPE(windows, window, entry, window_cmp);
2116 int		 winlink_cmp(struct winlink *, struct winlink *);
2117 RB_PROTOTYPE(winlinks, winlink, entry, winlink_cmp);
2118 int		 window_pane_cmp(struct window_pane *, struct window_pane *);
2119 RB_PROTOTYPE(window_pane_tree, window_pane, tree_entry, window_pane_cmp);
2120 struct winlink	*winlink_find_by_index(struct winlinks *, int);
2121 struct winlink	*winlink_find_by_window(struct winlinks *, struct window *);
2122 struct winlink	*winlink_find_by_window_id(struct winlinks *, u_int);
2123 u_int		 winlink_count(struct winlinks *);
2124 struct winlink	*winlink_add(struct winlinks *, int);
2125 void		 winlink_set_window(struct winlink *, struct window *);
2126 void		 winlink_remove(struct winlinks *, struct winlink *);
2127 struct winlink	*winlink_next(struct winlink *);
2128 struct winlink	*winlink_previous(struct winlink *);
2129 struct winlink	*winlink_next_by_number(struct winlink *, struct session *,
2130 		     int);
2131 struct winlink	*winlink_previous_by_number(struct winlink *, struct session *,
2132 		     int);
2133 void		 winlink_stack_push(struct winlink_stack *, struct winlink *);
2134 void		 winlink_stack_remove(struct winlink_stack *, struct winlink *);
2135 struct window	*window_find_by_id_str(const char *);
2136 struct window	*window_find_by_id(u_int);
2137 void		 window_update_activity(struct window *);
2138 struct window	*window_create(u_int, u_int);
2139 struct window	*window_create_spawn(const char *, int, char **, const char *,
2140 		     const char *, const char *, struct environ *,
2141 		     struct termios *, u_int, u_int, u_int, char **);
2142 struct window_pane *window_get_active_at(struct window *, u_int, u_int);
2143 struct window_pane *window_find_string(struct window *, const char *);
2144 int		 window_has_pane(struct window *, struct window_pane *);
2145 int		 window_set_active_pane(struct window *, struct window_pane *);
2146 void		 window_redraw_active_switch(struct window *,
2147 		     struct window_pane *);
2148 struct window_pane *window_add_pane(struct window *, struct window_pane *, int,
2149 		     int, u_int);
2150 void		 window_resize(struct window *, u_int, u_int);
2151 int		 window_zoom(struct window_pane *);
2152 int		 window_unzoom(struct window *);
2153 void		 window_lost_pane(struct window *, struct window_pane *);
2154 void		 window_remove_pane(struct window *, struct window_pane *);
2155 struct window_pane *window_pane_at_index(struct window *, u_int);
2156 struct window_pane *window_pane_next_by_number(struct window *,
2157 			struct window_pane *, u_int);
2158 struct window_pane *window_pane_previous_by_number(struct window *,
2159 			struct window_pane *, u_int);
2160 int		 window_pane_index(struct window_pane *, u_int *);
2161 u_int		 window_count_panes(struct window *);
2162 void		 window_destroy_panes(struct window *);
2163 struct window_pane *window_pane_find_by_id_str(const char *);
2164 struct window_pane *window_pane_find_by_id(u_int);
2165 int		 window_pane_destroy_ready(struct window_pane *);
2166 int		 window_pane_spawn(struct window_pane *, int, char **,
2167 		     const char *, const char *, const char *, struct environ *,
2168 		     struct termios *, char **);
2169 void		 window_pane_resize(struct window_pane *, u_int, u_int);
2170 void		 window_pane_alternate_on(struct window_pane *,
2171 		     struct grid_cell *, int);
2172 void		 window_pane_alternate_off(struct window_pane *,
2173 		     struct grid_cell *, int);
2174 void		 window_pane_set_palette(struct window_pane *, u_int, int);
2175 void		 window_pane_unset_palette(struct window_pane *, u_int);
2176 void		 window_pane_reset_palette(struct window_pane *);
2177 int		 window_pane_get_palette(const struct window_pane *, int);
2178 int		 window_pane_set_mode(struct window_pane *,
2179 		     const struct window_mode *, struct cmd_find_state *,
2180 		     struct args *);
2181 void		 window_pane_reset_mode(struct window_pane *);
2182 void		 window_pane_key(struct window_pane *, struct client *,
2183 		     struct session *, key_code, struct mouse_event *);
2184 int		 window_pane_visible(struct window_pane *);
2185 u_int		 window_pane_search(struct window_pane *, const char *);
2186 const char	*window_printable_flags(struct winlink *);
2187 struct window_pane *window_pane_find_up(struct window_pane *);
2188 struct window_pane *window_pane_find_down(struct window_pane *);
2189 struct window_pane *window_pane_find_left(struct window_pane *);
2190 struct window_pane *window_pane_find_right(struct window_pane *);
2191 void		 window_set_name(struct window *, const char *);
2192 void		 window_add_ref(struct window *, const char *);
2193 void		 window_remove_ref(struct window *, const char *);
2194 void		 winlink_clear_flags(struct winlink *);
2195 int		 winlink_shuffle_up(struct session *, struct winlink *);
2196 
2197 /* layout.c */
2198 u_int		 layout_count_cells(struct layout_cell *);
2199 struct layout_cell *layout_create_cell(struct layout_cell *);
2200 void		 layout_free_cell(struct layout_cell *);
2201 void		 layout_print_cell(struct layout_cell *, const char *, u_int);
2202 void		 layout_destroy_cell(struct window *, struct layout_cell *,
2203 		     struct layout_cell **);
2204 void		 layout_set_size(struct layout_cell *, u_int, u_int, u_int,
2205 		     u_int);
2206 void		 layout_make_leaf(struct layout_cell *, struct window_pane *);
2207 void		 layout_make_node(struct layout_cell *, enum layout_type);
2208 void		 layout_fix_offsets(struct layout_cell *);
2209 void		 layout_fix_panes(struct window *, u_int, u_int);
2210 void		 layout_resize_adjust(struct window *, struct layout_cell *,
2211 		     enum layout_type, int);
2212 void		 layout_init(struct window *, struct window_pane *);
2213 void		 layout_free(struct window *);
2214 void		 layout_resize(struct window *, u_int, u_int);
2215 void		 layout_resize_pane(struct window_pane *, enum layout_type,
2216 		     int, int);
2217 void		 layout_resize_pane_to(struct window_pane *, enum layout_type,
2218 		     u_int);
2219 void		 layout_assign_pane(struct layout_cell *, struct window_pane *);
2220 struct layout_cell *layout_split_pane(struct window_pane *, enum layout_type,
2221 		     int, int, int);
2222 void		 layout_close_pane(struct window_pane *);
2223 int		 layout_spread_cell(struct window *, struct layout_cell *);
2224 void		 layout_spread_out(struct window_pane *);
2225 
2226 /* layout-custom.c */
2227 char		*layout_dump(struct layout_cell *);
2228 int		 layout_parse(struct window *, const char *);
2229 
2230 /* layout-set.c */
2231 int		 layout_set_lookup(const char *);
2232 u_int		 layout_set_select(struct window *, u_int);
2233 u_int		 layout_set_next(struct window *);
2234 u_int		 layout_set_previous(struct window *);
2235 
2236 /* mode-tree.c */
2237 typedef void (*mode_tree_build_cb)(void *, u_int, uint64_t *, const char *);
2238 typedef void (*mode_tree_draw_cb)(void *, void *, struct screen_write_ctx *,
2239     u_int, u_int);
2240 typedef int (*mode_tree_search_cb)(void *, void *, const char *);
2241 typedef void (*mode_tree_each_cb)(void *, void *, struct client *, key_code);
2242 u_int	 mode_tree_count_tagged(struct mode_tree_data *);
2243 void	*mode_tree_get_current(struct mode_tree_data *);
2244 void	 mode_tree_expand_current(struct mode_tree_data *);
2245 void	 mode_tree_set_current(struct mode_tree_data *, uint64_t);
2246 void	 mode_tree_each_tagged(struct mode_tree_data *, mode_tree_each_cb,
2247 	     struct client *, key_code, int);
2248 void	 mode_tree_up(struct mode_tree_data *, int);
2249 void	 mode_tree_down(struct mode_tree_data *, int);
2250 struct mode_tree_data *mode_tree_start(struct window_pane *, struct args *,
2251 	     mode_tree_build_cb, mode_tree_draw_cb, mode_tree_search_cb,
2252 	     void *, const char **, u_int, struct screen **);
2253 void	 mode_tree_zoom(struct mode_tree_data *, struct args *);
2254 void	 mode_tree_build(struct mode_tree_data *);
2255 void	 mode_tree_free(struct mode_tree_data *);
2256 void	 mode_tree_resize(struct mode_tree_data *, u_int, u_int);
2257 struct mode_tree_item *mode_tree_add(struct mode_tree_data *,
2258 	     struct mode_tree_item *, void *, uint64_t, const char *,
2259 	     const char *, int);
2260 void	 mode_tree_remove(struct mode_tree_data *, struct mode_tree_item *);
2261 void	 mode_tree_draw(struct mode_tree_data *);
2262 int	 mode_tree_key(struct mode_tree_data *, struct client *, key_code *,
2263 	     struct mouse_event *, u_int *, u_int *);
2264 void	 mode_tree_run_command(struct client *, struct cmd_find_state *,
2265 	     const char *, const char *);
2266 
2267 /* window-buffer.c */
2268 extern const struct window_mode window_buffer_mode;
2269 
2270 /* window-tree.c */
2271 extern const struct window_mode window_tree_mode;
2272 
2273 /* window-clock.c */
2274 extern const struct window_mode window_clock_mode;
2275 extern const char window_clock_table[14][5][5];
2276 
2277 /* window-client.c */
2278 extern const struct window_mode window_client_mode;
2279 
2280 /* window-copy.c */
2281 extern const struct window_mode window_copy_mode;
2282 void		 window_copy_init_from_pane(struct window_pane *, int);
2283 void		 window_copy_init_for_output(struct window_pane *);
2284 void printflike(2, 3) window_copy_add(struct window_pane *, const char *, ...);
2285 void		 window_copy_vadd(struct window_pane *, const char *, va_list);
2286 void		 window_copy_pageup(struct window_pane *, int);
2287 void		 window_copy_start_drag(struct client *, struct mouse_event *);
2288 void		 window_copy_add_formats(struct window_pane *,
2289 		     struct format_tree *);
2290 
2291 /* names.c */
2292 void	 check_window_name(struct window *);
2293 char	*default_window_name(struct window *);
2294 char	*parse_window_name(const char *);
2295 
2296 /* control.c */
2297 void	control_callback(struct client *, int, void *);
2298 void printflike(2, 3) control_write(struct client *, const char *, ...);
2299 void	control_write_buffer(struct client *, struct evbuffer *);
2300 
2301 /* control-notify.c */
2302 void	control_notify_input(struct client *, struct window_pane *,
2303 	    struct evbuffer *);
2304 void	control_notify_pane_mode_changed(int);
2305 void	control_notify_window_layout_changed(struct window *);
2306 void	control_notify_window_pane_changed(struct window *);
2307 void	control_notify_window_unlinked(struct session *, struct window *);
2308 void	control_notify_window_linked(struct session *, struct window *);
2309 void	control_notify_window_renamed(struct window *);
2310 void	control_notify_client_session_changed(struct client *);
2311 void	control_notify_session_renamed(struct session *);
2312 void	control_notify_session_created(struct session *);
2313 void	control_notify_session_closed(struct session *);
2314 void	control_notify_session_window_changed(struct session *);
2315 
2316 /* session.c */
2317 extern struct sessions sessions;
2318 extern struct session_groups session_groups;
2319 int	session_cmp(struct session *, struct session *);
2320 RB_PROTOTYPE(sessions, session, entry, session_cmp);
2321 int	session_group_cmp(struct session_group *, struct session_group *);
2322 RB_PROTOTYPE(session_groups, session_group, entry, session_group_cmp);
2323 int		 session_alive(struct session *);
2324 struct session	*session_find(const char *);
2325 struct session	*session_find_by_id_str(const char *);
2326 struct session	*session_find_by_id(u_int);
2327 struct session	*session_create(const char *, const char *, int, char **,
2328 		     const char *, const char *, struct environ *,
2329 		     struct termios *, int, u_int, u_int, char **);
2330 void		 session_destroy(struct session *, const char *);
2331 void		 session_add_ref(struct session *, const char *);
2332 void		 session_remove_ref(struct session *, const char *);
2333 int		 session_check_name(const char *);
2334 void		 session_update_activity(struct session *, struct timeval *);
2335 struct session	*session_next_session(struct session *);
2336 struct session	*session_previous_session(struct session *);
2337 struct winlink	*session_new(struct session *, const char *, int, char **,
2338 		     const char *, const char *, int, char **);
2339 struct winlink	*session_attach(struct session *, struct window *, int,
2340 		     char **);
2341 int		 session_detach(struct session *, struct winlink *);
2342 int		 session_has(struct session *, struct window *);
2343 int		 session_is_linked(struct session *, struct window *);
2344 int		 session_next(struct session *, int);
2345 int		 session_previous(struct session *, int);
2346 int		 session_select(struct session *, int);
2347 int		 session_last(struct session *);
2348 int		 session_set_current(struct session *, struct winlink *);
2349 struct session_group *session_group_contains(struct session *);
2350 struct session_group *session_group_find(const char *);
2351 struct session_group *session_group_new(const char *);
2352 void		 session_group_add(struct session_group *, struct session *);
2353 void		 session_group_synchronize_to(struct session *);
2354 void		 session_group_synchronize_from(struct session *);
2355 u_int		 session_group_count(struct session_group *);
2356 void		 session_renumber_windows(struct session *);
2357 
2358 /* utf8.c */
2359 void		 utf8_set(struct utf8_data *, u_char);
2360 void		 utf8_copy(struct utf8_data *, const struct utf8_data *);
2361 enum utf8_state	 utf8_open(struct utf8_data *, u_char);
2362 enum utf8_state	 utf8_append(struct utf8_data *, u_char);
2363 enum utf8_state	 utf8_combine(const struct utf8_data *, wchar_t *);
2364 enum utf8_state	 utf8_split(wchar_t, struct utf8_data *);
2365 int		 utf8_isvalid(const char *);
2366 int		 utf8_strvis(char *, const char *, size_t, int);
2367 int		 utf8_stravis(char **, const char *, int);
2368 char		*utf8_sanitize(const char *);
2369 size_t		 utf8_strlen(const struct utf8_data *);
2370 u_int		 utf8_strwidth(const struct utf8_data *, ssize_t);
2371 struct utf8_data *utf8_fromcstr(const char *);
2372 char		*utf8_tocstr(struct utf8_data *);
2373 u_int		 utf8_cstrwidth(const char *);
2374 char		*utf8_rtrimcstr(const char *, u_int);
2375 char		*utf8_trimcstr(const char *, u_int);
2376 char		*utf8_padcstr(const char *, u_int);
2377 
2378 /* procname.c */
2379 char   *get_proc_name(int, char *);
2380 
2381 /* log.c */
2382 void	log_add_level(void);
2383 int	log_get_level(void);
2384 void	log_open(const char *);
2385 void	log_toggle(const char *);
2386 void	log_close(void);
2387 void printflike(1, 2) log_debug(const char *, ...);
2388 __dead void printflike(1, 2) fatal(const char *, ...);
2389 __dead void printflike(1, 2) fatalx(const char *, ...);
2390 
2391 /* style.c */
2392 int		 style_parse(const struct grid_cell *,
2393 		     struct grid_cell *, const char *);
2394 const char	*style_tostring(struct grid_cell *);
2395 void		 style_apply(struct grid_cell *, struct options *,
2396 		     const char *);
2397 void		 style_apply_update(struct grid_cell *, struct options *,
2398 		     const char *);
2399 int		 style_equal(const struct grid_cell *,
2400 		     const struct grid_cell *);
2401 
2402 #endif /* TMUX_H */
2403