xref: /openbsd-src/usr.bin/tmux/tmux.h (revision 5054e3e78af0749a9bb00ba9a024b3ee2d90290f)
1 /* $OpenBSD: tmux.h,v 1.181 2009/11/18 17:02:17 nicm Exp $ */
2 
3 /*
4  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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 5
23 
24 #include <sys/param.h>
25 #include <sys/time.h>
26 #include <sys/queue.h>
27 #include <sys/tree.h>
28 #include <sys/uio.h>
29 
30 #include <bitstring.h>
31 #include <event.h>
32 #include <getopt.h>
33 #include <limits.h>
34 #include <signal.h>
35 #include <stdarg.h>
36 #include <stdint.h>
37 #include <stdio.h>
38 #include <termios.h>
39 
40 #include "array.h"
41 #include "imsg.h"
42 
43 extern char    *__progname;
44 extern char   **environ;
45 
46 /* Default configuration files. */
47 #define DEFAULT_CFG ".tmux.conf"
48 #define SYSTEM_CFG "/etc/tmux.conf"
49 
50 /* Default prompt history length. */
51 #define PROMPT_HISTORY 100
52 
53 /*
54  * Minimum layout cell size, NOT including separator line. The scroll region
55  * cannot be one line in height so this must be at least two.
56  */
57 #define PANE_MINIMUM 2
58 
59 /* Automatic name refresh interval, in milliseconds. */
60 #define NAME_INTERVAL 500
61 
62 /* Escape timer period, in milliseconds. */
63 #define ESCAPE_PERIOD 500
64 
65 /* Maximum data to buffer for output before suspending reading from panes. */
66 #define BACKOFF_THRESHOLD 1024
67 
68 /*
69  * Maximum sizes of strings in message data. Don't forget to bump
70  * PROTOCOL_VERSION if any of these change!
71  */
72 #define COMMAND_LENGTH 2048	/* packed argv size */
73 #define TERMINAL_LENGTH 128	/* length of TERM environment variable */
74 #define PRINT_LENGTH 512	/* printed error/message size */
75 #define ENVIRON_LENGTH 1024	/* environment variable length */
76 
77 /*
78  * UTF-8 data size. This must be big enough to hold combined characters as well
79  * as single.
80  */
81 #define UTF8_SIZE 9
82 
83 /* Fatal errors. */
84 #define fatal(msg) log_fatal("%s: %s", __func__, msg);
85 #define fatalx(msg) log_fatalx("%s: %s", __func__, msg);
86 
87 /* Definition to shut gcc up about unused arguments. */
88 #define unused __attribute__ ((unused))
89 
90 /* Attribute to make gcc check printf-like arguments. */
91 #define printflike1 __attribute__ ((format (printf, 1, 2)))
92 #define printflike2 __attribute__ ((format (printf, 2, 3)))
93 #define printflike3 __attribute__ ((format (printf, 3, 4)))
94 #define printflike4 __attribute__ ((format (printf, 4, 5)))
95 #define printflike5 __attribute__ ((format (printf, 5, 6)))
96 
97 /* Number of items in array. */
98 #ifndef nitems
99 #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
100 #endif
101 
102 /* Bell option values. */
103 #define BELL_NONE 0
104 #define BELL_ANY 1
105 #define BELL_CURRENT 2
106 
107 /* Special key codes. */
108 #define KEYC_NONE 0xfff
109 #define KEYC_BASE 0x1000
110 
111 /* Key modifier bits. */
112 #define KEYC_ESCAPE 0x2000
113 #define KEYC_CTRL 0x4000
114 #define KEYC_SHIFT 0x8000
115 #define KEYC_PREFIX 0x10000
116 
117 /* Other key codes. */
118 enum key_code {
119 	/* Mouse key. */
120 	KEYC_MOUSE = KEYC_BASE,
121 
122 	/* Backspace key. */
123 	KEYC_BSPACE,
124 
125 	/* Function keys. */
126 	KEYC_F1,
127 	KEYC_F2,
128 	KEYC_F3,
129 	KEYC_F4,
130 	KEYC_F5,
131 	KEYC_F6,
132 	KEYC_F7,
133 	KEYC_F8,
134 	KEYC_F9,
135 	KEYC_F10,
136 	KEYC_F11,
137 	KEYC_F12,
138 	KEYC_F13,
139 	KEYC_F14,
140 	KEYC_F15,
141 	KEYC_F16,
142 	KEYC_F17,
143 	KEYC_F18,
144 	KEYC_F19,
145 	KEYC_F20,
146 	KEYC_IC,
147 	KEYC_DC,
148 	KEYC_HOME,
149 	KEYC_END,
150 	KEYC_NPAGE,
151 	KEYC_PPAGE,
152 	KEYC_BTAB,
153 
154 	/* Arrow keys. */
155 	KEYC_UP,
156 	KEYC_DOWN,
157 	KEYC_LEFT,
158 	KEYC_RIGHT,
159 
160 	/* Numeric keypad. */
161 	KEYC_KP_SLASH,
162 	KEYC_KP_STAR,
163 	KEYC_KP_MINUS,
164 	KEYC_KP_SEVEN,
165 	KEYC_KP_EIGHT,
166 	KEYC_KP_NINE,
167 	KEYC_KP_PLUS,
168 	KEYC_KP_FOUR,
169 	KEYC_KP_FIVE,
170 	KEYC_KP_SIX,
171 	KEYC_KP_ONE,
172 	KEYC_KP_TWO,
173 	KEYC_KP_THREE,
174 	KEYC_KP_ENTER,
175 	KEYC_KP_ZERO,
176 	KEYC_KP_PERIOD,
177 };
178 
179 /* Termcap codes. */
180 enum tty_code_code {
181 	TTYC_AX = 0,
182 	TTYC_ACSC,	/* acs_chars, ac */
183 	TTYC_BEL,	/* bell, bl */
184 	TTYC_BLINK,	/* enter_blink_mode, mb */
185 	TTYC_BOLD,	/* enter_bold_mode, md */
186 	TTYC_CIVIS,	/* cursor_invisible, vi */
187 	TTYC_CLEAR,	/* clear_screen, cl */
188 	TTYC_CNORM,	/* cursor_normal, ve */
189 	TTYC_COLORS,	/* max_colors, Co */
190 	TTYC_CSR,	/* change_scroll_region, cs */
191 	TTYC_CUB,	/* parm_left_cursor, LE */
192 	TTYC_CUB1,	/* cursor_left, le */
193 	TTYC_CUD,	/* parm_down_cursor, DO */
194 	TTYC_CUD1,	/* cursor_down, do */
195 	TTYC_CUF,	/* parm_right_cursor, RI */
196 	TTYC_CUF1,	/* cursor_right, nd */
197 	TTYC_CUP,	/* cursor_address, cm */
198 	TTYC_CUU,	/* parm_up_cursor, UP */
199 	TTYC_CUU1,	/* cursor_up, up */
200 	TTYC_DCH,	/* parm_dch, DC */
201 	TTYC_DCH1,	/* delete_character, dc */
202 	TTYC_DIM,	/* enter_dim_mode, mh */
203 	TTYC_DL,	/* parm_delete_line, DL */
204 	TTYC_DL1,	/* delete_line, dl */
205 	TTYC_EL,	/* clr_eol, ce */
206 	TTYC_EL1,	/* clr_bol, cb */
207 	TTYC_ENACS,	/* ena_acs, eA */
208 	TTYC_HOME,	/* cursor_home, ho */
209 	TTYC_HPA,	/* column_address, ch */
210 	TTYC_ICH,	/* parm_ich, IC */
211 	TTYC_ICH1,	/* insert_character, ic */
212 	TTYC_IL,	/* parm_insert_line, IL */
213 	TTYC_IL1,	/* insert_line, il */
214 	TTYC_INVIS,	/* enter_secure_mode, mk */
215 	TTYC_IS1,	/* init_1string, i1 */
216 	TTYC_IS2,	/* init_2string, i2 */
217 	TTYC_IS3,	/* init_3string, i3 */
218 	TTYC_KCBT,	/* key_btab, kB */
219 	TTYC_KCUB1,	/* key_left, kl */
220 	TTYC_KCUD1,	/* key_down, kd */
221 	TTYC_KCUF1,	/* key_right, kr */
222 	TTYC_KCUU1,	/* key_up, ku */
223 	TTYC_KDC2,
224 	TTYC_KDC3,
225 	TTYC_KDC4,
226 	TTYC_KDC5,
227 	TTYC_KDC6,
228 	TTYC_KDC7,
229 	TTYC_KDCH1,	/* key_dc, kD */
230 	TTYC_KDN2,
231 	TTYC_KDN3,
232 	TTYC_KDN4,
233 	TTYC_KDN5,
234 	TTYC_KDN6,
235 	TTYC_KDN7,
236 	TTYC_KEND,	/* key_end, ke */
237 	TTYC_KEND2,
238 	TTYC_KEND3,
239 	TTYC_KEND4,
240 	TTYC_KEND5,
241 	TTYC_KEND6,
242 	TTYC_KEND7,
243 	TTYC_KF1,	/* key_f1, k1 */
244 	TTYC_KF10,	/* key_f10, k; */
245 	TTYC_KF11,	/* key_f11, F1 */
246 	TTYC_KF12,	/* key_f12, F2 */
247 	TTYC_KF13,	/* key_f13, F3 */
248 	TTYC_KF14,	/* key_f14, F4 */
249 	TTYC_KF15,	/* key_f15, F5 */
250 	TTYC_KF16,	/* key_f16, F6 */
251 	TTYC_KF17,	/* key_f17, F7 */
252 	TTYC_KF18,	/* key_f18, F8 */
253 	TTYC_KF19,	/* key_f19, F9 */
254 	TTYC_KF2,	/* key_f2, k2 */
255 	TTYC_KF20,	/* key_f20, F10 */
256 	TTYC_KF3,	/* key_f3, k3 */
257 	TTYC_KF4,	/* key_f4, k4 */
258 	TTYC_KF5,	/* key_f5, k5 */
259 	TTYC_KF6,	/* key_f6, k6 */
260 	TTYC_KF7,	/* key_f7, k7 */
261 	TTYC_KF8,	/* key_f8, k8 */
262 	TTYC_KF9,	/* key_f9, k9 */
263 	TTYC_KHOM2,
264 	TTYC_KHOM3,
265 	TTYC_KHOM4,
266 	TTYC_KHOM5,
267 	TTYC_KHOM6,
268 	TTYC_KHOM7,
269 	TTYC_KHOME,	/* key_home, kh */
270 	TTYC_KIC2,
271 	TTYC_KIC3,
272 	TTYC_KIC4,
273 	TTYC_KIC5,
274 	TTYC_KIC6,
275 	TTYC_KIC7,
276 	TTYC_KICH1,	/* key_ic, kI */
277 	TTYC_KLFT2,
278 	TTYC_KLFT3,
279 	TTYC_KLFT4,
280 	TTYC_KLFT5,
281 	TTYC_KLFT6,
282 	TTYC_KLFT7,
283 	TTYC_KMOUS,	/* key_mouse, Km */
284 	TTYC_KNP,	/* key_npage, kN */
285 	TTYC_KNXT2,
286 	TTYC_KNXT3,
287 	TTYC_KNXT4,
288 	TTYC_KNXT5,
289 	TTYC_KNXT6,
290 	TTYC_KNXT7,
291 	TTYC_KPP,	/* key_ppage, kP */
292 	TTYC_KPRV2,
293 	TTYC_KPRV3,
294 	TTYC_KPRV4,
295 	TTYC_KPRV5,
296 	TTYC_KPRV6,
297 	TTYC_KPRV7,
298 	TTYC_KRIT2,
299 	TTYC_KRIT3,
300 	TTYC_KRIT4,
301 	TTYC_KRIT5,
302 	TTYC_KRIT6,
303 	TTYC_KRIT7,
304 	TTYC_KUP2,
305 	TTYC_KUP3,
306 	TTYC_KUP4,
307 	TTYC_KUP5,
308 	TTYC_KUP6,
309 	TTYC_KUP7,
310 	TTYC_OP,	/* orig_pair, op */
311 	TTYC_REV,	/* enter_reverse_mode, mr */
312 	TTYC_RI,	/* scroll_reverse, sr */
313 	TTYC_RMACS,	/* exit_alt_charset_mode */
314 	TTYC_RMCUP,	/* exit_ca_mode, te */
315 	TTYC_RMIR,	/* exit_insert_mode, ei */
316 	TTYC_RMKX,	/* keypad_local, ke */
317 	TTYC_SETAB,	/* set_a_background, AB */
318 	TTYC_SETAF,	/* set_a_foreground, AF */
319 	TTYC_SGR0,	/* exit_attribute_mode, me */
320 	TTYC_SMACS,	/* enter_alt_charset_mode, as */
321 	TTYC_SMCUP,	/* enter_ca_mode, ti */
322 	TTYC_SMIR,	/* enter_insert_mode, im */
323 	TTYC_SMKX,	/* keypad_xmit, ks */
324 	TTYC_SMSO,	/* enter_standout_mode, so */
325 	TTYC_SMUL,	/* enter_underline_mode, us */
326 	TTYC_VPA,	/* row_address, cv */
327 	TTYC_XENL,	/* eat_newline_glitch, xn */
328 };
329 #define NTTYCODE (TTYC_XENL + 1)
330 
331 /* Termcap types. */
332 enum tty_code_type {
333 	TTYCODE_NONE = 0,
334 	TTYCODE_STRING,
335 	TTYCODE_NUMBER,
336 	TTYCODE_FLAG,
337 };
338 
339 /* Termcap code. */
340 struct tty_code {
341 	enum tty_code_type	type;
342 	union {
343 		char 	       *string;
344 		int	 	number;
345 		int	 	flag;
346 	} value;
347 };
348 
349 /* Entry in terminal code table. */
350 struct tty_term_code_entry {
351 	enum tty_code_code	code;
352 	enum tty_code_type	type;
353 	const char	       *name;
354 };
355 
356 /* Message codes. */
357 enum msgtype {
358 	MSG_COMMAND,
359 	MSG_DETACH,
360 	MSG_ERROR,
361 	MSG_EXIT,
362 	MSG_EXITED,
363 	MSG_EXITING,
364 	MSG_IDENTIFY,
365 	MSG_PRINT,
366 	MSG_READY,
367 	MSG_RESIZE,
368 	MSG_SHUTDOWN,
369 	MSG_SUSPEND,
370 	MSG_VERSION,
371 	MSG_WAKEUP,
372 	MSG_ENVIRON,
373 	MSG_UNLOCK,
374 	MSG_LOCK,
375 	MSG_SHELL
376 };
377 
378 /*
379  * Message data.
380  *
381  * Don't forget to bump PROTOCOL_VERSION if any of these change!
382  */
383 struct msg_print_data {
384 	char		msg[PRINT_LENGTH];
385 };
386 
387 struct msg_command_data {
388 	pid_t		pid;			/* pid from $TMUX or -1 */
389 	u_int		idx;			/* index from $TMUX */
390 
391 	int		argc;
392 	char		argv[COMMAND_LENGTH];
393 };
394 
395 struct msg_identify_data {
396 	char		cwd[MAXPATHLEN];
397 
398 	char		term[TERMINAL_LENGTH];
399 
400 #define IDENTIFY_UTF8 0x1
401 #define IDENTIFY_256COLOURS 0x2
402 #define IDENTIFY_88COLOURS 0x4
403 	int		flags;
404 };
405 
406 struct msg_lock_data {
407 	char	       	cmd[COMMAND_LENGTH];
408 };
409 
410 struct msg_environ_data {
411 	char	     	var[ENVIRON_LENGTH];
412 };
413 
414 struct msg_shell_data {
415 	char	       	shell[MAXPATHLEN];
416 };
417 
418 /* Mode key commands. */
419 enum mode_key_cmd {
420 	MODEKEY_NONE,
421 	MODEKEY_OTHER,
422 
423 	/* Editing keys. */
424 	MODEKEYEDIT_BACKSPACE,
425 	MODEKEYEDIT_CANCEL,
426 	MODEKEYEDIT_COMPLETE,
427 	MODEKEYEDIT_CURSORLEFT,
428 	MODEKEYEDIT_CURSORRIGHT,
429 	MODEKEYEDIT_DELETE,
430 	MODEKEYEDIT_DELETELINE,
431 	MODEKEYEDIT_DELETETOENDOFLINE,
432 	MODEKEYEDIT_ENDOFLINE,
433 	MODEKEYEDIT_ENTER,
434 	MODEKEYEDIT_HISTORYDOWN,
435 	MODEKEYEDIT_HISTORYUP,
436 	MODEKEYEDIT_PASTE,
437 	MODEKEYEDIT_STARTOFLINE,
438 	MODEKEYEDIT_SWITCHMODE,
439 	MODEKEYEDIT_SWITCHMODEAPPEND,
440 	MODEKEYEDIT_TRANSPOSECHARS,
441 
442 	/* Menu (choice) keys. */
443 	MODEKEYCHOICE_CANCEL,
444 	MODEKEYCHOICE_CHOOSE,
445 	MODEKEYCHOICE_DOWN,
446 	MODEKEYCHOICE_PAGEDOWN,
447 	MODEKEYCHOICE_PAGEUP,
448 	MODEKEYCHOICE_UP,
449 
450 	/* Copy keys. */
451 	MODEKEYCOPY_BACKTOINDENTATION,
452 	MODEKEYCOPY_BOTTOMLINE,
453 	MODEKEYCOPY_CANCEL,
454 	MODEKEYCOPY_CLEARSELECTION,
455 	MODEKEYCOPY_COPYSELECTION,
456 	MODEKEYCOPY_DOWN,
457 	MODEKEYCOPY_ENDOFLINE,
458 	MODEKEYCOPY_GOTOLINE,
459 	MODEKEYCOPY_HALFPAGEDOWN,
460 	MODEKEYCOPY_HALFPAGEUP,
461 	MODEKEYCOPY_LEFT,
462 	MODEKEYCOPY_MIDDLELINE,
463 	MODEKEYCOPY_NEXTPAGE,
464 	MODEKEYCOPY_NEXTWORD,
465 	MODEKEYCOPY_PREVIOUSPAGE,
466 	MODEKEYCOPY_PREVIOUSWORD,
467 	MODEKEYCOPY_RIGHT,
468 	MODEKEYCOPY_SCROLLDOWN,
469 	MODEKEYCOPY_SCROLLUP,
470 	MODEKEYCOPY_SEARCHAGAIN,
471 	MODEKEYCOPY_SEARCHDOWN,
472 	MODEKEYCOPY_SEARCHUP,
473 	MODEKEYCOPY_STARTOFLINE,
474 	MODEKEYCOPY_STARTSELECTION,
475 	MODEKEYCOPY_TOPLINE,
476 	MODEKEYCOPY_UP,
477 };
478 
479 /* Entry in the default mode key tables. */
480 struct mode_key_entry {
481 	int			key;
482 
483 	/*
484 	 * Editing mode for vi: 0 is edit mode, keys not in the table are
485 	 * returned as MODEKEY_OTHER; 1 is command mode, keys not in the table
486 	 * are returned as MODEKEY_NONE. This is also matched on, allowing some
487 	 * keys to be bound in edit mode.
488 	 */
489 	int			mode;
490 	enum mode_key_cmd	cmd;
491 };
492 
493 /* Data required while mode keys are in use. */
494 struct mode_key_data {
495 	struct mode_key_tree   *tree;
496 	int			mode;
497 };
498 #define MODEKEY_EMACS 0
499 #define MODEKEY_VI 1
500 
501 /* Binding between a key and a command. */
502 struct mode_key_binding {
503 	int			key;
504 
505 	int			mode;
506 	enum mode_key_cmd	cmd;
507 
508 	SPLAY_ENTRY(mode_key_binding) entry;
509 };
510 SPLAY_HEAD(mode_key_tree, mode_key_binding);
511 
512 /* Command to string mapping. */
513 struct mode_key_cmdstr {
514 	enum mode_key_cmd      	 cmd;
515 	const char		*name;
516 };
517 
518 /* Named mode key table description. */
519 struct mode_key_table {
520 	const char	       	*name;
521 	struct mode_key_cmdstr	*cmdstr;
522 	struct mode_key_tree	*tree;
523 	const struct mode_key_entry *table;	/* default entries */
524 };
525 
526 /* Modes. */
527 #define MODE_CURSOR 0x1
528 #define MODE_INSERT 0x2
529 #define MODE_KCURSOR 0x4
530 #define MODE_KKEYPAD 0x8
531 #define MODE_MOUSE 0x10
532 
533 /*
534  * A single UTF-8 character.
535  *
536  * The data member in this must be UTF8_SIZE to allow screen_write_copy to
537  * reinject stored UTF-8 data back into screen_write_cell after combining (ugh
538  * XXX XXX).
539  */
540 struct utf8_data {
541 	u_char	data[UTF8_SIZE];
542 
543 	size_t	have;
544 	size_t	size;
545 
546 	u_int	width;
547 };
548 
549 /* Grid output. */
550 #if defined(DEBUG) && \
551     ((defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
552      (defined(__GNUC__) && __GNUC__ >= 3))
553 #define GRID_DEBUG(gd, fmt, ...) log_debug2("%s: (sx=%u, sy=%u, hsize=%u) " \
554     fmt, __func__, (gd)->sx, (gd)->sy, (gd)->hsize, ## __VA_ARGS__)
555 #else
556 #define GRID_DEBUG(...)
557 #endif
558 
559 /* Grid attributes. */
560 #define GRID_ATTR_BRIGHT 0x1
561 #define GRID_ATTR_DIM 0x2
562 #define GRID_ATTR_UNDERSCORE 0x4
563 #define GRID_ATTR_BLINK 0x8
564 #define GRID_ATTR_REVERSE 0x10
565 #define GRID_ATTR_HIDDEN 0x20
566 #define GRID_ATTR_ITALICS 0x40
567 #define GRID_ATTR_CHARSET 0x80	/* alternative character set */
568 
569 /* Grid flags. */
570 #define GRID_FLAG_FG256 0x1
571 #define GRID_FLAG_BG256 0x2
572 #define GRID_FLAG_PADDING 0x4
573 #define GRID_FLAG_UTF8 0x8
574 
575 /* Grid line flags. */
576 #define GRID_LINE_WRAPPED 0x1
577 
578 /* Grid cell data. */
579 struct grid_cell {
580 	u_char	attr;
581 	u_char	flags;
582 	u_char	fg;
583 	u_char	bg;
584 	u_char	data;
585 } __packed;
586 
587 /* Grid cell UTF-8 data. Used instead of data in grid_cell for UTF-8 cells. */
588 struct grid_utf8 {
589 	u_char	width;
590 	u_char	data[UTF8_SIZE];
591 } __packed;
592 
593 /* Grid line. */
594 struct grid_line {
595 	u_int	cellsize;
596 	struct grid_cell *celldata;
597 
598 	u_int	utf8size;
599 	struct grid_utf8 *utf8data;
600 
601 	int	flags;
602 } __packed;
603 
604 /* Entire grid of cells. */
605 struct grid {
606 	int	flags;
607 #define GRID_HISTORY 0x1	/* scroll lines into history */
608 
609 	u_int	sx;
610 	u_int	sy;
611 
612 	u_int	hsize;
613 	u_int	hlimit;
614 
615 	struct grid_line *linedata;
616 };
617 
618 /* Option data structures. */
619 struct options_entry {
620 	char		*name;
621 
622 	enum {
623 		OPTIONS_STRING,
624 		OPTIONS_NUMBER,
625 		OPTIONS_DATA,
626 	} type;
627 
628 	char		*str;
629 	long long	 num;
630 	void		*data;
631 
632 	void		 (*freefn)(void *);
633 
634 	SPLAY_ENTRY(options_entry) entry;
635 };
636 
637 struct options {
638 	SPLAY_HEAD(options_tree, options_entry) tree;
639 	struct options	*parent;
640 };
641 
642 /* Key list for prefix option. */
643 ARRAY_DECL(keylist, int);
644 
645 /* Scheduled job. */
646 struct job {
647 	char		*cmd;
648 	pid_t		 pid;
649 	int		 status;
650 
651 	struct client	*client;
652 
653 	int		 fd;
654 	struct bufferevent *event;
655 
656 	void		(*callbackfn)(struct job *);
657 	void		(*freefn)(void *);
658 	void		*data;
659 
660 	int		 flags;
661 #define JOB_PERSIST 0x1	/* don't free after callback */
662 
663 	RB_ENTRY(job)	 entry;
664 	SLIST_ENTRY(job) lentry;
665 };
666 RB_HEAD(jobs, job);
667 SLIST_HEAD(joblist, job);
668 
669 /* Screen selection. */
670 struct screen_sel {
671 	int		 flag;
672 
673 	u_int		 sx;
674 	u_int		 sy;
675 
676 	u_int		 ex;
677 	u_int		 ey;
678 
679 	struct grid_cell cell;
680 };
681 
682 /* Virtual screen. */
683 struct screen {
684 	char		*title;
685 
686 	struct grid     *grid;		/* grid data */
687 
688 	u_int		 cx;		/* cursor x */
689 	u_int		 cy;		/* cursor y */
690 
691 	u_int		 rupper;	/* scroll region top */
692 	u_int		 rlower;	/* scroll region bottom */
693 
694 	int		 mode;
695 
696 	bitstr_t      	*tabs;
697 
698 	struct screen_sel sel;
699 };
700 
701 /* Screen write context. */
702 struct screen_write_ctx {
703 	struct window_pane *wp;
704 	struct screen	*s;
705 };
706 
707 /* Screen size. */
708 #define screen_size_x(s) ((s)->grid->sx)
709 #define screen_size_y(s) ((s)->grid->sy)
710 #define screen_hsize(s) ((s)->grid->hsize)
711 #define screen_hlimit(s) ((s)->grid->hlimit)
712 
713 /* Input parser sequence argument. */
714 struct input_arg {
715 	u_char		 data[64];
716 	size_t		 used;
717 };
718 
719 /* Input parser context. */
720 struct input_ctx {
721 	struct window_pane *wp;
722 	struct screen_write_ctx ctx;
723 
724 	u_char		*buf;
725 	size_t		 len;
726 	size_t		 off;
727 	size_t		 was;
728 
729 	struct grid_cell cell;
730 
731 	struct grid_cell saved_cell;
732 	u_int		 saved_cx;
733 	u_int		 saved_cy;
734 
735 #define MAXSTRINGLEN	1024
736 	u_char		*string_buf;
737 	size_t		 string_len;
738 	int		 string_type;
739 #define STRING_SYSTEM 0
740 #define STRING_APPLICATION 1
741 #define STRING_NAME 2
742 
743 	struct utf8_data utf8data;
744 
745 	u_char		 intermediate;
746 	void 		*(*state)(u_char, struct input_ctx *);
747 
748 	u_char		 private;
749 	ARRAY_DECL(, struct input_arg) args;
750 };
751 
752 /*
753  * Window mode. Windows can be in several modes and this is used to call the
754  * right function to handle input and output.
755  */
756 struct client;
757 struct window;
758 struct mouse_event;
759 struct window_mode {
760 	struct screen *(*init)(struct window_pane *);
761 	void	(*free)(struct window_pane *);
762 	void	(*resize)(struct window_pane *, u_int, u_int);
763 	void	(*key)(struct window_pane *, struct client *, int);
764 	void	(*mouse)(struct window_pane *,
765 	    	    struct client *, struct mouse_event *);
766 	void	(*timer)(struct window_pane *);
767 };
768 
769 /* Child window structure. */
770 struct window_pane {
771 	struct window	*window;
772 	struct layout_cell *layout_cell;
773 
774 	u_int		 sx;
775 	u_int		 sy;
776 
777 	u_int		 xoff;
778 	u_int		 yoff;
779 
780 	int		 flags;
781 #define PANE_REDRAW 0x1
782 
783 	char		*cmd;
784 	char		*shell;
785 	char		*cwd;
786 
787 	pid_t		 pid;
788 	char		 tty[TTY_NAME_MAX];
789 
790 	int		 fd;
791 	struct bufferevent *event;
792 
793 	struct input_ctx ictx;
794 
795 	int		 pipe_fd;
796 	struct bufferevent *pipe_event;
797 	size_t		 pipe_off;
798 
799 	struct screen	*screen;
800 	struct screen	 base;
801 
802 	/* Saved in alternative screen mode. */
803  	u_int		 saved_cx;
804  	u_int		 saved_cy;
805 	struct grid	*saved_grid;
806 	struct grid_cell saved_cell;
807 
808 	const struct window_mode *mode;
809 	void		*modedata;
810 
811 	TAILQ_ENTRY(window_pane) entry;
812 };
813 TAILQ_HEAD(window_panes, window_pane);
814 
815 /* Window structure. */
816 struct window {
817 	char		*name;
818 	struct event	 name_timer;
819 
820 	struct window_pane *active;
821 	struct window_panes panes;
822 
823 	int		 lastlayout;
824 	struct layout_cell *layout_root;
825 
826 	u_int		 sx;
827 	u_int		 sy;
828 
829 	int		 flags;
830 #define WINDOW_BELL 0x1
831 #define WINDOW_HIDDEN 0x2
832 #define WINDOW_ACTIVITY 0x4
833 #define WINDOW_CONTENT 0x8
834 #define WINDOW_REDRAW 0x10
835 
836 	struct options	 options;
837 
838 	u_int		 references;
839 };
840 ARRAY_DECL(windows, struct window *);
841 
842 /* Entry on local window list. */
843 struct winlink {
844 	int		 idx;
845 	struct window	*window;
846 
847 	RB_ENTRY(winlink) entry;
848 	TAILQ_ENTRY(winlink) sentry;
849 };
850 RB_HEAD(winlinks, winlink);
851 TAILQ_HEAD(winlink_stack, winlink);
852 
853 /* Layout direction. */
854 enum layout_type {
855 	LAYOUT_LEFTRIGHT,
856 	LAYOUT_TOPBOTTOM,
857 	LAYOUT_WINDOWPANE
858 };
859 
860 /* Layout cells queue. */
861 TAILQ_HEAD(layout_cells, layout_cell);
862 
863 /* Layout cell. */
864 struct layout_cell {
865 	enum layout_type type;
866 
867 	struct layout_cell *parent;
868 
869 	u_int		 sx;
870 	u_int		 sy;
871 
872 	u_int		 xoff;
873 	u_int		 yoff;
874 
875 	struct window_pane *wp;
876 	struct layout_cells cells;
877 
878 	TAILQ_ENTRY(layout_cell) entry;
879 };
880 
881 /* Paste buffer. */
882 struct paste_buffer {
883      	char		*data;
884 	size_t		 size;
885 };
886 ARRAY_DECL(paste_stack, struct paste_buffer *);
887 
888 /* Environment variable. */
889 struct environ_entry {
890 	char		*name;
891 	char		*value;
892 
893 	RB_ENTRY(environ_entry) entry;
894 };
895 RB_HEAD(environ, environ_entry);
896 
897 /* Client session. */
898 struct session_alert {
899 	struct winlink	*wl;
900 	int		 type;
901 
902 	SLIST_ENTRY(session_alert) entry;
903 };
904 
905 struct session_group {
906 	TAILQ_HEAD(, session) sessions;
907 
908 	TAILQ_ENTRY(session_group) entry;
909 };
910 TAILQ_HEAD(session_groups, session_group);
911 
912 struct session {
913 	char		*name;
914 
915 	struct timeval	 creation_time;
916 	struct timeval	 activity_time;
917 
918 	u_int		 sx;
919 	u_int		 sy;
920 
921 	struct winlink	*curw;
922 	struct winlink_stack lastw;
923 	struct winlinks	 windows;
924 
925 	struct options	 options;
926 
927 	struct paste_stack buffers;
928 
929 	SLIST_HEAD(, session_alert) alerts;
930 
931 #define SESSION_UNATTACHED 0x1	/* not attached to any clients */
932 #define SESSION_DEAD 0x2
933 	int		 flags;
934 
935 	struct termios	*tio;
936 
937 	struct environ	 environ;
938 
939 	int		 references;
940 
941 	TAILQ_ENTRY(session) gentry;
942 };
943 ARRAY_DECL(sessions, struct session *);
944 
945 /* TTY information. */
946 struct tty_key {
947 	char		 ch;
948 	int	 	 key;
949 
950 	struct tty_key	*left;
951 	struct tty_key	*right;
952 
953 	struct tty_key	*next;
954 };
955 
956 struct tty_term {
957 	char		*name;
958 	u_int		 references;
959 
960 	struct tty_code	 codes[NTTYCODE];
961 
962 #define TERM_256COLOURS 0x1
963 #define TERM_88COLOURS 0x2
964 #define TERM_EARLYWRAP 0x4
965 	int		 flags;
966 
967 	SLIST_ENTRY(tty_term) entry;
968 };
969 SLIST_HEAD(tty_terms, tty_term);
970 
971 struct tty {
972 	char		*path;
973 
974         u_int            sx;
975         u_int            sy;
976 
977 	u_int		 cx;
978 	u_int		 cy;
979 
980 	int		 mode;
981 
982 	u_int		 rlower;
983 	u_int		 rupper;
984 
985 	char		*termname;
986 	struct tty_term	*term;
987 
988 	int		 fd;
989 	struct bufferevent *event;
990 
991 	int		 log_fd;
992 
993 	struct termios   tio;
994 
995 	struct grid_cell cell;
996 
997 	u_char		 acs[UCHAR_MAX + 1];
998 
999 #define TTY_NOCURSOR 0x1
1000 #define TTY_FREEZE 0x2
1001 #define TTY_ESCAPE 0x4
1002 #define TTY_UTF8 0x8
1003 #define TTY_STARTED 0x10
1004 #define TTY_OPENED 0x20
1005 	int    		 flags;
1006 
1007 	int		 term_flags;
1008 
1009 	void		 (*key_callback)(int, struct mouse_event *, void *);
1010 	void		*key_data;
1011 	struct event	 key_timer;
1012 	struct tty_key	*key_tree;
1013 };
1014 
1015 /* TTY command context and function pointer. */
1016 struct tty_ctx {
1017 	struct window_pane *wp;
1018 
1019 	const struct grid_cell *cell;
1020 	const struct grid_utf8 *utf8;
1021 
1022 	u_int		 num;
1023 	void		*ptr;
1024 
1025 	/*
1026 	 * Cursor and region position before the screen was updated - this is
1027 	 * where the command should be applied; the values in the screen have
1028 	 * already been updated.
1029 	 */
1030 	u_int		 ocx;
1031 	u_int		 ocy;
1032 
1033 	u_int		 orupper;
1034 	u_int		 orlower;
1035 
1036 	/* Saved last cell on line. */
1037 	struct grid_cell last_cell;
1038 	struct grid_utf8 last_utf8;
1039 	u_int		 last_width;
1040 };
1041 
1042 /* Mouse input. */
1043 struct mouse_event {
1044 	u_char	b;
1045 	u_char	x;
1046 	u_char	y;
1047 };
1048 
1049 /* Saved message entry. */
1050 struct message_entry {
1051 	char   *msg;
1052 	time_t	msg_time;
1053 };
1054 
1055 /* Client connection. */
1056 struct client {
1057 	struct imsgbuf	 ibuf;
1058 	struct event	 event;
1059 
1060 	struct timeval	 creation_time;
1061 	struct timeval	 activity_time;
1062 
1063 	struct environ	 environ;
1064 
1065 	char		*title;
1066 	char		*cwd;
1067 
1068 	struct tty 	 tty;
1069 	struct event	 repeat_timer;
1070 
1071 	struct timeval	 status_timer;
1072 	struct jobs	 status_jobs;
1073 	struct screen	 status;
1074 
1075 #define CLIENT_TERMINAL 0x1
1076 #define CLIENT_PREFIX 0x2
1077 #define CLIENT_MOUSE 0x4
1078 #define CLIENT_REDRAW 0x8
1079 #define CLIENT_STATUS 0x10
1080 #define CLIENT_REPEAT 0x20	/* allow command to repeat within repeat time */
1081 #define CLIENT_SUSPENDED 0x40
1082 #define CLIENT_BAD 0x80
1083 #define CLIENT_IDENTIFY 0x100
1084 #define CLIENT_DEAD 0x200
1085 	int		 flags;
1086 
1087 	struct event	 identify_timer;
1088 
1089 	char		*message_string;
1090 	struct event	 message_timer;
1091 	ARRAY_DECL(, struct message_entry) message_log;
1092 
1093 	char		*prompt_string;
1094 	char		*prompt_buffer;
1095 	size_t		 prompt_index;
1096 	int		 (*prompt_callbackfn)(void *, const char *);
1097 	void		 (*prompt_freefn)(void *);
1098 	void		*prompt_data;
1099 
1100 #define PROMPT_SINGLE 0x1
1101 	int		 prompt_flags;
1102 
1103 	u_int		 prompt_hindex;
1104 	ARRAY_DECL(, char *) prompt_hdata;
1105 
1106 	struct mode_key_data prompt_mdata;
1107 
1108 	struct session	*session;
1109 
1110 	int		 references;
1111 };
1112 ARRAY_DECL(clients, struct client *);
1113 
1114 /* Key/command line command. */
1115 struct cmd_ctx {
1116 	/*
1117 	 * curclient is the client where this command was executed if inside
1118 	 * tmux. This is NULL if the command came from the command-line.
1119 	 *
1120 	 * cmdclient is the client which sent the MSG_COMMAND to the server, if
1121 	 * any. This is NULL unless the command came from the command-line.
1122 	 *
1123 	 * cmdclient and curclient may both be NULL if the command is in the
1124 	 * configuration file.
1125 	 */
1126 	struct client  *curclient;
1127 	struct client  *cmdclient;
1128 
1129 	struct msg_command_data	*msgdata;
1130 
1131 	/* gcc2 doesn't understand attributes on function pointers... */
1132 #if defined(__GNUC__) && __GNUC__ >= 3
1133 	void printflike2 (*print)(struct cmd_ctx *, const char *, ...);
1134 	void printflike2 (*info)(struct cmd_ctx *, const char *, ...);
1135 	void printflike2 (*error)(struct cmd_ctx *, const char *, ...);
1136 #else
1137 	void (*print)(struct cmd_ctx *, const char *, ...);
1138 	void (*info)(struct cmd_ctx *, const char *, ...);
1139 	void (*error)(struct cmd_ctx *, const char *, ...);
1140 #endif
1141 };
1142 
1143 struct cmd {
1144 	const struct cmd_entry *entry;
1145 	void	       	*data;
1146 
1147 	TAILQ_ENTRY(cmd) qentry;
1148 };
1149 TAILQ_HEAD(cmd_list, cmd);
1150 
1151 struct cmd_entry {
1152 	const char	*name;
1153 	const char	*alias;
1154 	const char	*usage;
1155 
1156 #define CMD_STARTSERVER 0x1
1157 #define CMD_CANTNEST 0x2
1158 #define CMD_SENDENVIRON 0x4
1159 #define CMD_ARG1 0x8
1160 #define CMD_ARG01 0x10
1161 #define CMD_ARG2 0x20
1162 #define CMD_ARG12 0x40
1163 	int		 flags;
1164 
1165 	const char	*chflags;
1166 
1167 	void		 (*init)(struct cmd *, int);
1168 	int		 (*parse)(struct cmd *, int, char **, char **);
1169 	int		 (*exec)(struct cmd *, struct cmd_ctx *);
1170 	void		 (*free)(struct cmd *);
1171 	size_t 		 (*print)(struct cmd *, char *, size_t);
1172 };
1173 
1174 /* Generic command data. */
1175 struct cmd_target_data {
1176 	uint64_t chflags;
1177 
1178 	char	*target;
1179 
1180 	char	*arg;
1181 	char	*arg2;
1182 };
1183 
1184 struct cmd_srcdst_data {
1185 	uint64_t chflags;
1186 
1187 	char	*src;
1188 	char	*dst;
1189 
1190 	char	*arg;
1191 	char	*arg2;
1192 };
1193 
1194 struct cmd_buffer_data {
1195 	uint64_t chflags;
1196 
1197 	char	*target;
1198 	int	 buffer;
1199 
1200 	char	*arg;
1201 	char	*arg2;
1202 };
1203 
1204 /* Key binding. */
1205 struct key_binding {
1206 	int		 key;
1207 	struct cmd_list	*cmdlist;
1208 	int		 can_repeat;
1209 
1210 	SPLAY_ENTRY(key_binding) entry;
1211 };
1212 SPLAY_HEAD(key_bindings, key_binding);
1213 
1214 /* Set/display option data. */
1215 struct set_option_entry {
1216 	const char	*name;
1217 	enum {
1218 		SET_OPTION_STRING,
1219 		SET_OPTION_NUMBER,
1220 		SET_OPTION_KEYS,
1221 		SET_OPTION_COLOUR,
1222 		SET_OPTION_ATTRIBUTES,
1223 		SET_OPTION_FLAG,
1224 		SET_OPTION_CHOICE
1225 	} type;
1226 
1227 	u_int		 minimum;
1228 	u_int		 maximum;
1229 
1230 	const char     **choices;
1231 };
1232 extern const struct set_option_entry set_option_table[];
1233 extern const struct set_option_entry set_window_option_table[];
1234 
1235 /* tmux.c */
1236 extern struct options global_s_options;
1237 extern struct options global_w_options;
1238 extern struct environ global_environ;
1239 extern char	*cfg_file;
1240 extern int	 debug_level;
1241 extern int	 be_quiet;
1242 extern time_t	 start_time;
1243 extern char 	*socket_path;
1244 extern int	 login_shell;
1245 void		 logfile(const char *);
1246 const char	*getshell(void);
1247 int		 checkshell(const char *);
1248 int		 areshell(const char *);
1249 
1250 /* cfg.c */
1251 int		 load_cfg(const char *, struct cmd_ctx *, char **);
1252 
1253 /* mode-key.c */
1254 extern const struct mode_key_table mode_key_tables[];
1255 extern struct mode_key_tree mode_key_tree_vi_edit;
1256 extern struct mode_key_tree mode_key_tree_vi_choice;
1257 extern struct mode_key_tree mode_key_tree_vi_copy;
1258 extern struct mode_key_tree mode_key_tree_emacs_edit;
1259 extern struct mode_key_tree mode_key_tree_emacs_choice;
1260 extern struct mode_key_tree mode_key_tree_emacs_copy;
1261 int	mode_key_cmp(struct mode_key_binding *, struct mode_key_binding *);
1262 SPLAY_PROTOTYPE(mode_key_tree, mode_key_binding, entry, mode_key_cmp);
1263 const char *mode_key_tostring(struct mode_key_cmdstr *r, enum mode_key_cmd);
1264 enum mode_key_cmd mode_key_fromstring(struct mode_key_cmdstr *, const char *);
1265 const struct mode_key_table *mode_key_findtable(const char *);
1266 void	mode_key_init_trees(void);
1267 void	mode_key_init(struct mode_key_data *, struct mode_key_tree *);
1268 enum mode_key_cmd mode_key_lookup(struct mode_key_data *, int);
1269 
1270 /* options.c */
1271 int	options_cmp(struct options_entry *, struct options_entry *);
1272 SPLAY_PROTOTYPE(options_tree, options_entry, entry, options_cmp);
1273 void	options_init(struct options *, struct options *);
1274 void	options_free(struct options *);
1275 struct options_entry *options_find1(struct options *, const char *);
1276 struct options_entry *options_find(struct options *, const char *);
1277 void	options_remove(struct options *, const char *);
1278 struct options_entry *printflike3 options_set_string(
1279     	    struct options *, const char *, const char *, ...);
1280 char   *options_get_string(struct options *, const char *);
1281 struct options_entry *options_set_number(
1282     	    struct options *, const char *, long long);
1283 long long options_get_number(struct options *, const char *);
1284 struct options_entry *options_set_data(
1285     	    struct options *, const char *, void *, void (*)(void *));
1286 void   *options_get_data(struct options *, const char *);
1287 
1288 /* job.c */
1289 extern struct joblist all_jobs;
1290 int	job_cmp(struct job *, struct job *);
1291 RB_PROTOTYPE(jobs, job, entry, job_cmp);
1292 void	job_tree_init(struct jobs *);
1293 void	job_tree_free(struct jobs *);
1294 struct job *job_get(struct jobs *, const char *);
1295 struct job *job_add(struct jobs *, int, struct client *,
1296 	    const char *, void (*)(struct job *), void (*)(void *), void *);
1297 void	job_remove(struct jobs *, struct job *);
1298 void	job_free(struct job *);
1299 int	job_run(struct job *);
1300 void	job_died(struct job *, int);
1301 void	job_kill(struct job *);
1302 
1303 /* environ.c */
1304 int	environ_cmp(struct environ_entry *, struct environ_entry *);
1305 RB_PROTOTYPE(environ, environ_entry, entry, environ_cmp);
1306 void	environ_init(struct environ *);
1307 void	environ_free(struct environ *);
1308 void	environ_copy(struct environ *, struct environ *);
1309 struct environ_entry *environ_find(struct environ *, const char *);
1310 void	environ_set(struct environ *, const char *, const char *);
1311 void	environ_put(struct environ *, const char *);
1312 void	environ_unset(struct environ *, const char *);
1313 void 	environ_update(const char *, struct environ *, struct environ *);
1314 
1315 /* tty.c */
1316 void	tty_raw(struct tty *, const char *);
1317 u_char	tty_get_acs(struct tty *, u_char);
1318 void	tty_attributes(struct tty *, const struct grid_cell *);
1319 void	tty_reset(struct tty *);
1320 void	tty_region_pane(struct tty *, const struct tty_ctx *, u_int, u_int);
1321 void	tty_region(struct tty *, u_int, u_int);
1322 void	tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int, u_int);
1323 void	tty_cursor(struct tty *, u_int, u_int);
1324 void	tty_putcode(struct tty *, enum tty_code_code);
1325 void	tty_putcode1(struct tty *, enum tty_code_code, int);
1326 void	tty_putcode2(struct tty *, enum tty_code_code, int, int);
1327 void	tty_puts(struct tty *, const char *);
1328 void	tty_putc(struct tty *, u_char);
1329 void	tty_pututf8(struct tty *, const struct grid_utf8 *);
1330 void	tty_init(struct tty *, int, char *);
1331 void	tty_resize(struct tty *);
1332 void	tty_start_tty(struct tty *);
1333 void	tty_stop_tty(struct tty *);
1334 void	tty_set_title(struct tty *, const char *);
1335 void	tty_update_mode(struct tty *, int);
1336 void	tty_draw_line(struct tty *, struct screen *, u_int, u_int, u_int);
1337 int	tty_open(struct tty *, const char *, char **);
1338 void	tty_close(struct tty *);
1339 void	tty_free(struct tty *);
1340 void	tty_write(void (*)(
1341 	    struct tty *, const struct tty_ctx *), const struct tty_ctx *);
1342 void	tty_cmd_alignmenttest(struct tty *, const struct tty_ctx *);
1343 void	tty_cmd_cell(struct tty *, const struct tty_ctx *);
1344 void	tty_cmd_clearendofline(struct tty *, const struct tty_ctx *);
1345 void	tty_cmd_clearendofscreen(struct tty *, const struct tty_ctx *);
1346 void	tty_cmd_clearline(struct tty *, const struct tty_ctx *);
1347 void	tty_cmd_clearscreen(struct tty *, const struct tty_ctx *);
1348 void	tty_cmd_clearstartofline(struct tty *, const struct tty_ctx *);
1349 void	tty_cmd_clearstartofscreen(struct tty *, const struct tty_ctx *);
1350 void	tty_cmd_deletecharacter(struct tty *, const struct tty_ctx *);
1351 void	tty_cmd_deleteline(struct tty *, const struct tty_ctx *);
1352 void	tty_cmd_insertcharacter(struct tty *, const struct tty_ctx *);
1353 void	tty_cmd_insertline(struct tty *, const struct tty_ctx *);
1354 void	tty_cmd_linefeed(struct tty *, const struct tty_ctx *);
1355 void	tty_cmd_utf8character(struct tty *, const struct tty_ctx *);
1356 void	tty_cmd_reverseindex(struct tty *, const struct tty_ctx *);
1357 
1358 /* tty-term.c */
1359 extern struct tty_terms tty_terms;
1360 extern struct tty_term_code_entry tty_term_codes[NTTYCODE];
1361 struct tty_term *tty_term_find(char *, int, const char *, char **);
1362 void 		 tty_term_free(struct tty_term *);
1363 int		 tty_term_has(struct tty_term *, enum tty_code_code);
1364 const char	*tty_term_string(struct tty_term *, enum tty_code_code);
1365 const char	*tty_term_string1(struct tty_term *, enum tty_code_code, int);
1366 const char	*tty_term_string2(
1367     		     struct tty_term *, enum tty_code_code, int, int);
1368 int		 tty_term_number(struct tty_term *, enum tty_code_code);
1369 int		 tty_term_flag(struct tty_term *, enum tty_code_code);
1370 
1371 /* tty-keys.c */
1372 void	tty_keys_init(struct tty *);
1373 void	tty_keys_free(struct tty *);
1374 int	tty_keys_next(struct tty *);
1375 
1376 /* options-cmd.c */
1377 const char *set_option_print(
1378     	    const struct set_option_entry *, struct options_entry *);
1379 void	set_option_string(struct cmd_ctx *,
1380 	    struct options *, const struct set_option_entry *, char *, int);
1381 void	set_option_number(struct cmd_ctx *,
1382     	    struct options *, const struct set_option_entry *, char *);
1383 void	set_option_keys(struct cmd_ctx *,
1384     	    struct options *, const struct set_option_entry *, char *);
1385 void	set_option_colour(struct cmd_ctx *,
1386     	    struct options *, const struct set_option_entry *, char *);
1387 void	set_option_attributes(struct cmd_ctx *,
1388     	    struct options *, const struct set_option_entry *, char *);
1389 void	set_option_flag(struct cmd_ctx *,
1390     	    struct options *, const struct set_option_entry *, char *);
1391 void	set_option_choice(struct cmd_ctx *,
1392     	    struct options *, const struct set_option_entry *, char *);
1393 
1394 /* paste.c */
1395 void		 paste_init_stack(struct paste_stack *);
1396 void		 paste_free_stack(struct paste_stack *);
1397 struct paste_buffer *paste_walk_stack(struct paste_stack *, uint *);
1398 struct paste_buffer *paste_get_top(struct paste_stack *);
1399 struct paste_buffer *paste_get_index(struct paste_stack *, u_int);
1400 int	     	 paste_free_top(struct paste_stack *);
1401 int		 paste_free_index(struct paste_stack *, u_int);
1402 void		 paste_add(struct paste_stack *, u_char *, size_t, u_int);
1403 int		 paste_replace(struct paste_stack *, u_int, u_char *, size_t);
1404 
1405 /* clock.c */
1406 extern const char clock_table[14][5][5];
1407 void		 clock_draw(struct screen_write_ctx *, u_int, int);
1408 
1409 /* cmd.c */
1410 int		 cmd_pack_argv(int, char **, char *, size_t);
1411 int		 cmd_unpack_argv(char *, size_t, int, char ***);
1412 void		 cmd_free_argv(int, char **);
1413 struct cmd	*cmd_parse(int, char **, char **);
1414 int		 cmd_exec(struct cmd *, struct cmd_ctx *);
1415 void		 cmd_free(struct cmd *);
1416 size_t		 cmd_print(struct cmd *, char *, size_t);
1417 struct session	*cmd_current_session(struct cmd_ctx *);
1418 struct client	*cmd_current_client(struct cmd_ctx *);
1419 struct client	*cmd_find_client(struct cmd_ctx *, const char *);
1420 struct session	*cmd_find_session(struct cmd_ctx *, const char *);
1421 struct winlink	*cmd_find_window(
1422 		     struct cmd_ctx *, const char *, struct session **);
1423 int		 cmd_find_index(
1424 		     struct cmd_ctx *, const char *, struct session **);
1425 struct winlink	*cmd_find_pane(struct cmd_ctx *,
1426 		     const char *, struct session **, struct window_pane **);
1427 char		*cmd_template_replace(char *, const char *, int);
1428 extern const struct cmd_entry *cmd_table[];
1429 extern const struct cmd_entry cmd_attach_session_entry;
1430 extern const struct cmd_entry cmd_bind_key_entry;
1431 extern const struct cmd_entry cmd_break_pane_entry;
1432 extern const struct cmd_entry cmd_choose_client_entry;
1433 extern const struct cmd_entry cmd_choose_session_entry;
1434 extern const struct cmd_entry cmd_choose_window_entry;
1435 extern const struct cmd_entry cmd_clear_history_entry;
1436 extern const struct cmd_entry cmd_clock_mode_entry;
1437 extern const struct cmd_entry cmd_command_prompt_entry;
1438 extern const struct cmd_entry cmd_confirm_before_entry;
1439 extern const struct cmd_entry cmd_copy_buffer_entry;
1440 extern const struct cmd_entry cmd_copy_mode_entry;
1441 extern const struct cmd_entry cmd_delete_buffer_entry;
1442 extern const struct cmd_entry cmd_detach_client_entry;
1443 extern const struct cmd_entry cmd_display_message_entry;
1444 extern const struct cmd_entry cmd_display_panes_entry;
1445 extern const struct cmd_entry cmd_down_pane_entry;
1446 extern const struct cmd_entry cmd_find_window_entry;
1447 extern const struct cmd_entry cmd_has_session_entry;
1448 extern const struct cmd_entry cmd_if_shell_entry;
1449 extern const struct cmd_entry cmd_kill_pane_entry;
1450 extern const struct cmd_entry cmd_kill_server_entry;
1451 extern const struct cmd_entry cmd_kill_session_entry;
1452 extern const struct cmd_entry cmd_kill_window_entry;
1453 extern const struct cmd_entry cmd_last_window_entry;
1454 extern const struct cmd_entry cmd_link_window_entry;
1455 extern const struct cmd_entry cmd_list_buffers_entry;
1456 extern const struct cmd_entry cmd_list_clients_entry;
1457 extern const struct cmd_entry cmd_list_commands_entry;
1458 extern const struct cmd_entry cmd_list_keys_entry;
1459 extern const struct cmd_entry cmd_list_panes_entry;
1460 extern const struct cmd_entry cmd_list_sessions_entry;
1461 extern const struct cmd_entry cmd_list_windows_entry;
1462 extern const struct cmd_entry cmd_load_buffer_entry;
1463 extern const struct cmd_entry cmd_lock_client_entry;
1464 extern const struct cmd_entry cmd_lock_server_entry;
1465 extern const struct cmd_entry cmd_lock_session_entry;
1466 extern const struct cmd_entry cmd_move_window_entry;
1467 extern const struct cmd_entry cmd_new_session_entry;
1468 extern const struct cmd_entry cmd_new_window_entry;
1469 extern const struct cmd_entry cmd_next_layout_entry;
1470 extern const struct cmd_entry cmd_next_window_entry;
1471 extern const struct cmd_entry cmd_paste_buffer_entry;
1472 extern const struct cmd_entry cmd_pipe_pane_entry;
1473 extern const struct cmd_entry cmd_previous_layout_entry;
1474 extern const struct cmd_entry cmd_previous_window_entry;
1475 extern const struct cmd_entry cmd_refresh_client_entry;
1476 extern const struct cmd_entry cmd_rename_session_entry;
1477 extern const struct cmd_entry cmd_rename_window_entry;
1478 extern const struct cmd_entry cmd_resize_pane_entry;
1479 extern const struct cmd_entry cmd_respawn_window_entry;
1480 extern const struct cmd_entry cmd_rotate_window_entry;
1481 extern const struct cmd_entry cmd_run_shell_entry;
1482 extern const struct cmd_entry cmd_save_buffer_entry;
1483 extern const struct cmd_entry cmd_select_layout_entry;
1484 extern const struct cmd_entry cmd_select_pane_entry;
1485 extern const struct cmd_entry cmd_select_prompt_entry;
1486 extern const struct cmd_entry cmd_select_window_entry;
1487 extern const struct cmd_entry cmd_send_keys_entry;
1488 extern const struct cmd_entry cmd_send_prefix_entry;
1489 extern const struct cmd_entry cmd_server_info_entry;
1490 extern const struct cmd_entry cmd_set_buffer_entry;
1491 extern const struct cmd_entry cmd_set_environment_entry;
1492 extern const struct cmd_entry cmd_set_option_entry;
1493 extern const struct cmd_entry cmd_set_window_option_entry;
1494 extern const struct cmd_entry cmd_show_buffer_entry;
1495 extern const struct cmd_entry cmd_show_environment_entry;
1496 extern const struct cmd_entry cmd_show_messages_entry;
1497 extern const struct cmd_entry cmd_show_options_entry;
1498 extern const struct cmd_entry cmd_show_window_options_entry;
1499 extern const struct cmd_entry cmd_source_file_entry;
1500 extern const struct cmd_entry cmd_split_window_entry;
1501 extern const struct cmd_entry cmd_start_server_entry;
1502 extern const struct cmd_entry cmd_suspend_client_entry;
1503 extern const struct cmd_entry cmd_swap_pane_entry;
1504 extern const struct cmd_entry cmd_swap_window_entry;
1505 extern const struct cmd_entry cmd_switch_client_entry;
1506 extern const struct cmd_entry cmd_unbind_key_entry;
1507 extern const struct cmd_entry cmd_unlink_window_entry;
1508 extern const struct cmd_entry cmd_up_pane_entry;
1509 
1510 /* cmd-list.c */
1511 struct cmd_list	*cmd_list_parse(int, char **, char **);
1512 int		 cmd_list_exec(struct cmd_list *, struct cmd_ctx *);
1513 void		 cmd_list_free(struct cmd_list *);
1514 size_t		 cmd_list_print(struct cmd_list *, char *, size_t);
1515 
1516 /* cmd-string.c */
1517 int	cmd_string_parse(const char *, struct cmd_list **, char **);
1518 
1519 /* cmd-generic.c */
1520 size_t  cmd_prarg(char *, size_t, const char *, char *);
1521 int	cmd_check_flag(uint64_t, int);
1522 void	cmd_set_flag(uint64_t *, int);
1523 #define CMD_TARGET_PANE_USAGE "[-t target-pane]"
1524 #define CMD_TARGET_WINDOW_USAGE "[-t target-window]"
1525 #define CMD_TARGET_SESSION_USAGE "[-t target-session]"
1526 #define CMD_TARGET_CLIENT_USAGE "[-t target-client]"
1527 void	cmd_target_init(struct cmd *, int);
1528 int	cmd_target_parse(struct cmd *, int, char **, char **);
1529 void	cmd_target_free(struct cmd *);
1530 size_t	cmd_target_print(struct cmd *, char *, size_t);
1531 #define CMD_SRCDST_PANE_USAGE "[-s src-pane] [-t dst-pane]"
1532 #define CMD_SRCDST_WINDOW_USAGE "[-s src-window] [-t dst-window]"
1533 #define CMD_SRCDST_SESSION_USAGE "[-s src-session] [-t dst-session]"
1534 #define CMD_SRCDST_CLIENT_USAGE "[-s src-client] [-t dst-client]"
1535 void	cmd_srcdst_init(struct cmd *, int);
1536 int	cmd_srcdst_parse(struct cmd *, int, char **, char **);
1537 void	cmd_srcdst_free(struct cmd *);
1538 size_t	cmd_srcdst_print(struct cmd *, char *, size_t);
1539 #define CMD_BUFFER_PANE_USAGE "[-b buffer-index] [-t target-pane]"
1540 #define CMD_BUFFER_WINDOW_USAGE "[-b buffer-index] [-t target-window]"
1541 #define CMD_BUFFER_SESSION_USAGE "[-b buffer-index] [-t target-session]"
1542 #define CMD_BUFFER_CLIENT_USAGE "[-b buffer-index] [-t target-client]"
1543 void	cmd_buffer_init(struct cmd *, int);
1544 int	cmd_buffer_parse(struct cmd *, int, char **, char **);
1545 void	cmd_buffer_free(struct cmd *);
1546 size_t	cmd_buffer_print(struct cmd *, char *, size_t);
1547 
1548 /* client.c */
1549 struct imsgbuf *client_init(char *, int, int);
1550 __dead void	client_main(void);
1551 
1552 /* key-bindings.c */
1553 extern struct key_bindings key_bindings;
1554 int	 key_bindings_cmp(struct key_binding *, struct key_binding *);
1555 SPLAY_PROTOTYPE(key_bindings, key_binding, entry, key_bindings_cmp);
1556 struct key_binding *key_bindings_lookup(int);
1557 void	 key_bindings_add(int, int, struct cmd_list *);
1558 void	 key_bindings_remove(int);
1559 void	 key_bindings_clean(void);
1560 void	 key_bindings_init(void);
1561 void	 key_bindings_dispatch(struct key_binding *, struct client *);
1562 void printflike2 key_bindings_error(struct cmd_ctx *, const char *, ...);
1563 void printflike2 key_bindings_print(struct cmd_ctx *, const char *, ...);
1564 void printflike2 key_bindings_info(struct cmd_ctx *, const char *, ...);
1565 
1566 /* key-string.c */
1567 int	 key_string_lookup_string(const char *);
1568 const char *key_string_lookup_key(int);
1569 
1570 /* server.c */
1571 extern struct clients clients;
1572 extern struct clients dead_clients;
1573 int	 server_start(char *);
1574 void	 server_signal_set(void);
1575 void	 server_signal_clear(void);
1576 void	 server_update_socket(void);
1577 
1578 /* server-client.c */
1579 void	 server_client_create(int);
1580 void	 server_client_lost(struct client *);
1581 void	 server_client_callback(int, short, void *);
1582 void	 server_client_status_timer(void);
1583 void	 server_client_loop(void);
1584 
1585 /* server-window.c */
1586 void	 server_window_loop(void);
1587 
1588 /* server-fn.c */
1589 void	 server_fill_environ(struct session *, struct environ *);
1590 void	 server_write_error(struct client *, const char *);
1591 void	 server_write_client(
1592              struct client *, enum msgtype, const void *, size_t);
1593 void	 server_write_session(
1594              struct session *, enum msgtype, const void *, size_t);
1595 void	 server_redraw_client(struct client *);
1596 void	 server_status_client(struct client *);
1597 void	 server_redraw_session(struct session *);
1598 void	 server_redraw_session_group(struct session *);
1599 void	 server_status_session(struct session *);
1600 void	 server_status_session_group(struct session *);
1601 void	 server_redraw_window(struct window *);
1602 void	 server_status_window(struct window *);
1603 void	 server_lock(void);
1604 void	 server_lock_session(struct session *);
1605 void	 server_lock_client(struct client *);
1606 int	 server_unlock(const char *);
1607 void	 server_kill_window(struct window *);
1608 int	 server_link_window(struct session *,
1609 	     struct winlink *, struct session *, int, int, int, char **);
1610 void	 server_unlink_window(struct session *, struct winlink *);
1611 void	 server_destroy_pane(struct window_pane *);
1612 void	 server_destroy_session_group(struct session *);
1613 void	 server_destroy_session(struct session *);
1614 void	 server_set_identify(struct client *);
1615 void	 server_clear_identify(struct client *);
1616 void	 server_update_event(struct client *);
1617 
1618 /* status.c */
1619 int	 status_redraw(struct client *);
1620 char	*status_replace(struct client *, const char *, time_t);
1621 void printflike2 status_message_set(struct client *, const char *, ...);
1622 void	 status_message_clear(struct client *);
1623 int	 status_message_redraw(struct client *);
1624 void	 status_prompt_set(struct client *, const char *,
1625     	     int (*)(void *, const char *), void (*)(void *), void *, int);
1626 void	 status_prompt_clear(struct client *);
1627 int	 status_prompt_redraw(struct client *);
1628 void	 status_prompt_key(struct client *, int);
1629 void	 status_prompt_update(struct client *, const char *);
1630 
1631 /* resize.c */
1632 void	 recalculate_sizes(void);
1633 
1634 /* input.c */
1635 void	 input_init(struct window_pane *);
1636 void	 input_free(struct window_pane *);
1637 void	 input_parse(struct window_pane *);
1638 
1639 /* input-key.c */
1640 void	 input_key(struct window_pane *, int);
1641 void	 input_mouse(struct window_pane *, struct mouse_event *);
1642 
1643 /* xterm-keys.c */
1644 char 	*xterm_keys_lookup(int);
1645 int	 xterm_keys_find(const char *, size_t, size_t *);
1646 
1647 /* colour.c */
1648 void	 colour_set_fg(struct grid_cell *, int);
1649 void	 colour_set_bg(struct grid_cell *, int);
1650 const char *colour_tostring(int);
1651 int	 colour_fromstring(const char *);
1652 u_char	 colour_256to16(u_char);
1653 u_char	 colour_256to88(u_char);
1654 
1655 /* attributes.c */
1656 const char *attributes_tostring(u_char);
1657 int	 attributes_fromstring(const char *);
1658 
1659 /* grid.c */
1660 extern const struct grid_cell grid_default_cell;
1661 struct grid *grid_create(u_int, u_int, u_int);
1662 void	 grid_destroy(struct grid *);
1663 int	 grid_compare(struct grid *, struct grid *);
1664 void	 grid_collect_history(struct grid *);
1665 void	 grid_scroll_history(struct grid *);
1666 void	 grid_scroll_history_region(struct grid *, u_int, u_int);
1667 void	 grid_expand_line(struct grid *, u_int, u_int);
1668 void	 grid_expand_line_utf8(struct grid *, u_int, u_int);
1669 const struct grid_cell *grid_peek_cell(struct grid *, u_int, u_int);
1670 struct grid_cell *grid_get_cell(struct grid *, u_int, u_int);
1671 void	 grid_set_cell(struct grid *, u_int, u_int, const struct grid_cell *);
1672 const struct grid_utf8 *grid_peek_utf8(struct grid *, u_int, u_int);
1673 struct grid_utf8 *grid_get_utf8(struct grid *, u_int, u_int);
1674 void	 grid_set_utf8(struct grid *, u_int, u_int, const struct grid_utf8 *);
1675 void	 grid_clear(struct grid *, u_int, u_int, u_int, u_int);
1676 void	 grid_clear_lines(struct grid *, u_int, u_int);
1677 void	 grid_move_lines(struct grid *, u_int, u_int, u_int);
1678 void	 grid_move_cells(struct grid *, u_int, u_int, u_int, u_int);
1679 char	*grid_string_cells(struct grid *, u_int, u_int, u_int);
1680 void	 grid_duplicate_lines(
1681     	     struct grid *, u_int, struct grid *, u_int, u_int);
1682 
1683 /* grid-utf8.c */
1684 size_t	 grid_utf8_size(const struct grid_utf8 *);
1685 size_t	 grid_utf8_copy(const struct grid_utf8 *, char *, size_t);
1686 void	 grid_utf8_set(struct grid_utf8 *, const struct utf8_data *);
1687 int	 grid_utf8_append(struct grid_utf8 *, const struct utf8_data *);
1688 int	 grid_utf8_compare(const struct grid_utf8 *, const struct grid_utf8 *);
1689 
1690 /* grid-view.c */
1691 const struct grid_cell *grid_view_peek_cell(struct grid *, u_int, u_int);
1692 struct grid_cell *grid_view_get_cell(struct grid *, u_int, u_int);
1693 void	 grid_view_set_cell(
1694     	     struct grid *, u_int, u_int, const struct grid_cell *);
1695 const struct grid_utf8 *grid_view_peek_utf8(struct grid *, u_int, u_int);
1696 struct grid_utf8 *grid_view_get_utf8(struct grid *, u_int, u_int);
1697 void	 grid_view_set_utf8(
1698     	     struct grid *, u_int, u_int, const struct grid_utf8 *);
1699 void	 grid_view_clear(struct grid *, u_int, u_int, u_int, u_int);
1700 void	 grid_view_scroll_region_up(struct grid *, u_int, u_int);
1701 void	 grid_view_scroll_region_down(struct grid *, u_int, u_int);
1702 void	 grid_view_insert_lines(struct grid *, u_int, u_int);
1703 void	 grid_view_insert_lines_region(struct grid *, u_int, u_int, u_int);
1704 void	 grid_view_delete_lines(struct grid *, u_int, u_int);
1705 void	 grid_view_delete_lines_region(struct grid *, u_int, u_int, u_int);
1706 void	 grid_view_insert_cells(struct grid *, u_int, u_int, u_int);
1707 void	 grid_view_delete_cells(struct grid *, u_int, u_int, u_int);
1708 char	*grid_view_string_cells(struct grid *, u_int, u_int, u_int);
1709 
1710 /* screen-write.c */
1711 void	 screen_write_start(
1712     	     struct screen_write_ctx *, struct window_pane *, struct screen *);
1713 void	 screen_write_stop(struct screen_write_ctx *);
1714 size_t printflike2 screen_write_cstrlen(int, const char *, ...);
1715 void printflike5 screen_write_cnputs(struct screen_write_ctx *,
1716     ssize_t, struct grid_cell *, int, const char *, ...);
1717 size_t printflike2 screen_write_strlen(int, const char *, ...);
1718 void printflike3 screen_write_puts(struct screen_write_ctx *,
1719     	     struct grid_cell *, const char *, ...);
1720 void printflike5 screen_write_nputs(struct screen_write_ctx *,
1721     ssize_t, struct grid_cell *, int, const char *, ...);
1722 void	 screen_write_vnputs(struct screen_write_ctx *,
1723 	     ssize_t, struct grid_cell *, int, const char *, va_list);
1724 void	 screen_write_parsestyle(
1725     	     struct grid_cell *, struct grid_cell *, const char *);
1726 void	 screen_write_putc(
1727     	     struct screen_write_ctx *, struct grid_cell *, u_char);
1728 void	 screen_write_copy(struct screen_write_ctx *,
1729 	     struct screen *, u_int, u_int, u_int, u_int);
1730 void	 screen_write_backspace(struct screen_write_ctx *);
1731 void	 screen_write_cursorup(struct screen_write_ctx *, u_int);
1732 void	 screen_write_cursordown(struct screen_write_ctx *, u_int);
1733 void	 screen_write_cursorright(struct screen_write_ctx *, u_int);
1734 void	 screen_write_cursorleft(struct screen_write_ctx *, u_int);
1735 void	 screen_write_alignmenttest(struct screen_write_ctx *);
1736 void	 screen_write_insertcharacter(struct screen_write_ctx *, u_int);
1737 void	 screen_write_deletecharacter(struct screen_write_ctx *, u_int);
1738 void	 screen_write_insertline(struct screen_write_ctx *, u_int);
1739 void	 screen_write_deleteline(struct screen_write_ctx *, u_int);
1740 void	 screen_write_clearline(struct screen_write_ctx *);
1741 void	 screen_write_clearendofline(struct screen_write_ctx *);
1742 void	 screen_write_clearstartofline(struct screen_write_ctx *);
1743 void	 screen_write_cursormove(struct screen_write_ctx *, u_int, u_int);
1744 void	 screen_write_cursormode(struct screen_write_ctx *, int);
1745 void	 screen_write_reverseindex(struct screen_write_ctx *);
1746 void	 screen_write_scrollregion(struct screen_write_ctx *, u_int, u_int);
1747 void	 screen_write_insertmode(struct screen_write_ctx *, int);
1748 void	 screen_write_mousemode(struct screen_write_ctx *, int);
1749 void	 screen_write_linefeed(struct screen_write_ctx *, int);
1750 void	 screen_write_linefeedscreen(struct screen_write_ctx *, int);
1751 void	 screen_write_carriagereturn(struct screen_write_ctx *);
1752 void	 screen_write_kcursormode(struct screen_write_ctx *, int);
1753 void	 screen_write_kkeypadmode(struct screen_write_ctx *, int);
1754 void	 screen_write_clearendofscreen(struct screen_write_ctx *);
1755 void	 screen_write_clearstartofscreen(struct screen_write_ctx *);
1756 void	 screen_write_clearscreen(struct screen_write_ctx *);
1757 void	 screen_write_cell(struct screen_write_ctx *,
1758     	     const struct grid_cell *, const struct utf8_data *);
1759 
1760 /* screen-redraw.c */
1761 void	 screen_redraw_screen(struct client *, int);
1762 void	 screen_redraw_pane(struct client *, struct window_pane *);
1763 
1764 /* screen.c */
1765 void	 screen_init(struct screen *, u_int, u_int, u_int);
1766 void	 screen_reinit(struct screen *);
1767 void	 screen_free(struct screen *);
1768 void	 screen_reset_tabs(struct screen *);
1769 void	 screen_set_title(struct screen *, const char *);
1770 void	 screen_resize(struct screen *, u_int, u_int);
1771 void	 screen_set_selection(
1772 	     struct screen *, u_int, u_int, u_int, u_int, struct grid_cell *);
1773 void	 screen_clear_selection(struct screen *);
1774 int	 screen_check_selection(struct screen *, u_int, u_int);
1775 
1776 /* window.c */
1777 extern struct windows windows;
1778 int		 window_cmp(struct window *, struct window *);
1779 int		 winlink_cmp(struct winlink *, struct winlink *);
1780 RB_PROTOTYPE(windows, window, entry, window_cmp);
1781 RB_PROTOTYPE(winlinks, winlink, entry, winlink_cmp);
1782 struct winlink	*winlink_find_by_index(struct winlinks *, int);
1783 struct winlink 	*winlink_find_by_window(struct winlinks *, struct window *);
1784 int		 winlink_next_index(struct winlinks *, int);
1785 u_int		 winlink_count(struct winlinks *);
1786 struct winlink	*winlink_add(struct winlinks *, struct window *, int);
1787 void		 winlink_remove(struct winlinks *, struct winlink *);
1788 struct winlink	*winlink_next(struct winlinks *, struct winlink *);
1789 struct winlink	*winlink_previous(struct winlinks *, struct winlink *);
1790 void		 winlink_stack_push(struct winlink_stack *, struct winlink *);
1791 void		 winlink_stack_remove(struct winlink_stack *, struct winlink *);
1792 int	 	 window_index(struct window *, u_int *);
1793 struct window	*window_create1(u_int, u_int);
1794 struct window	*window_create(const char *, const char *, const char *,
1795 		     const char *, struct environ *, struct termios *,
1796     		     u_int, u_int, u_int, char **);
1797 void		 window_destroy(struct window *);
1798 void		 window_set_active_at(struct window *, u_int, u_int);
1799 void		 window_set_active_pane(struct window *, struct window_pane *);
1800 struct window_pane *window_add_pane(struct window *, u_int);
1801 void		 window_resize(struct window *, u_int, u_int);
1802 void		 window_remove_pane(struct window *, struct window_pane *);
1803 struct window_pane *window_pane_at_index(struct window *, u_int);
1804 u_int		 window_pane_index(struct window *, struct window_pane *);
1805 u_int		 window_count_panes(struct window *);
1806 void		 window_destroy_panes(struct window *);
1807 struct window_pane *window_pane_create(struct window *, u_int, u_int, u_int);
1808 void		 window_pane_destroy(struct window_pane *);
1809 int		 window_pane_spawn(struct window_pane *, const char *,
1810 		     const char *, const char *, struct environ *,
1811 		     struct termios *, char **);
1812 void		 window_pane_resize(struct window_pane *, u_int, u_int);
1813 int		 window_pane_set_mode(
1814 		     struct window_pane *, const struct window_mode *);
1815 void		 window_pane_reset_mode(struct window_pane *);
1816 void		 window_pane_parse(struct window_pane *);
1817 void		 window_pane_key(struct window_pane *, struct client *, int);
1818 void		 window_pane_mouse(struct window_pane *,
1819     		     struct client *, struct mouse_event *);
1820 int		 window_pane_visible(struct window_pane *);
1821 char		*window_pane_search(
1822     		     struct window_pane *, const char *, u_int *);
1823 
1824 /* layout.c */
1825 struct layout_cell *layout_create_cell(struct layout_cell *);
1826 void		 layout_free_cell(struct layout_cell *);
1827 void		 layout_print_cell(struct layout_cell *, const char *, u_int);
1828 void		 layout_set_size(
1829 		     struct layout_cell *, u_int, u_int, u_int, u_int);
1830 void		 layout_make_leaf(
1831 		     struct layout_cell *, struct window_pane *);
1832 void		 layout_make_node(struct layout_cell *, enum layout_type);
1833 void		 layout_fix_offsets(struct layout_cell *);
1834 void		 layout_fix_panes(struct window *, u_int, u_int);
1835 u_int		 layout_resize_check(struct layout_cell *, enum layout_type);
1836 void		 layout_resize_adjust(
1837 		     struct layout_cell *, enum layout_type, int);
1838 void		 layout_init(struct window *);
1839 void		 layout_free(struct window *);
1840 void		 layout_resize(struct window *, u_int, u_int);
1841 void		 layout_resize_pane(
1842     		     struct window_pane *, enum layout_type, int);
1843 int		 layout_split_pane(struct window_pane *,
1844 		     enum layout_type, int, struct window_pane *);
1845 void		 layout_close_pane(struct window_pane *);
1846 
1847 /* layout-set.c */
1848 const char	*layout_set_name(u_int);
1849 int		 layout_set_lookup(const char *);
1850 u_int		 layout_set_select(struct window *, u_int);
1851 u_int		 layout_set_next(struct window *);
1852 u_int		 layout_set_previous(struct window *);
1853 void		 layout_set_active_changed(struct window *);
1854 
1855 /* window-clock.c */
1856 extern const struct window_mode window_clock_mode;
1857 
1858 /* window-copy.c */
1859 extern const struct window_mode window_copy_mode;
1860 void 		 window_copy_pageup(struct window_pane *);
1861 
1862 /* window-more.c */
1863 extern const struct window_mode window_more_mode;
1864 void 		 window_more_vadd(struct window_pane *, const char *, va_list);
1865 
1866 /* window-choose.c */
1867 extern const struct window_mode window_choose_mode;
1868 void 		 window_choose_vadd(
1869     		     struct window_pane *, int, const char *, va_list);
1870 void printflike3 window_choose_add(
1871     		     struct window_pane *, int, const char *, ...);
1872 void		 window_choose_ready(struct window_pane *,
1873 		     u_int, void (*)(void *, int), void (*)(void *), void *);
1874 
1875 /* names.c */
1876 void		 queue_window_name(struct window *);
1877 char 		*default_window_name(struct window *);
1878 
1879 /* session.c */
1880 extern struct sessions sessions;
1881 extern struct sessions dead_sessions;
1882 extern struct session_groups session_groups;
1883 void	 session_alert_add(struct session *, struct window *, int);
1884 void	 session_alert_cancel(struct session *, struct winlink *);
1885 int	 session_alert_has(struct session *, struct winlink *, int);
1886 int	 session_alert_has_window(struct session *, struct window *, int);
1887 struct session	*session_find(const char *);
1888 struct session	*session_create(const char *, const char *, const char *,
1889 		     struct environ *, struct termios *, int, u_int, u_int,
1890 		     char **);
1891 void	 	 session_destroy(struct session *);
1892 int	 	 session_index(struct session *, u_int *);
1893 struct winlink	*session_new(struct session *,
1894 	    	     const char *, const char *, const char *, int, char **);
1895 struct winlink	*session_attach(
1896     		     struct session *, struct window *, int, char **);
1897 int		 session_detach(struct session *, struct winlink *);
1898 int		 session_has(struct session *, struct window *);
1899 int		 session_next(struct session *, int);
1900 int		 session_previous(struct session *, int);
1901 int		 session_select(struct session *, int);
1902 int		 session_last(struct session *);
1903 struct session_group *session_group_find(struct session *);
1904 u_int		 session_group_index(struct session_group *);
1905 void		 session_group_add(struct session *, struct session *);
1906 void		 session_group_remove(struct session *);
1907 void		 session_group_synchronize_to(struct session *);
1908 void		 session_group_synchronize_from(struct session *);
1909 void		 session_group_synchronize1(struct session *, struct session *);
1910 
1911 /* utf8.c */
1912 void	utf8_build(void);
1913 int	utf8_open(struct utf8_data *, u_char);
1914 int	utf8_append(struct utf8_data *, u_char);
1915 
1916 /* procname.c */
1917 char   *get_proc_name(int, char *);
1918 
1919 /* log.c */
1920 void		 log_open_tty(int);
1921 void		 log_open_file(int, const char *);
1922 void		 log_close(void);
1923 void printflike1 log_warn(const char *, ...);
1924 void printflike1 log_warnx(const char *, ...);
1925 void printflike1 log_info(const char *, ...);
1926 void printflike1 log_debug(const char *, ...);
1927 void printflike1 log_debug2(const char *, ...);
1928 __dead void printflike1 log_fatal(const char *, ...);
1929 __dead void printflike1 log_fatalx(const char *, ...);
1930 
1931 /* xmalloc.c */
1932 char		*xstrdup(const char *);
1933 void		*xcalloc(size_t, size_t);
1934 void		*xmalloc(size_t);
1935 void		*xrealloc(void *, size_t, size_t);
1936 void		 xfree(void *);
1937 int printflike2	 xasprintf(char **, const char *, ...);
1938 int		 xvasprintf(char **, const char *, va_list);
1939 int printflike3	 xsnprintf(char *, size_t, const char *, ...);
1940 int		 xvsnprintf(char *, size_t, const char *, va_list);
1941 
1942 #endif /* TMUX_H */
1943