xref: /openbsd-src/usr.bin/tmux/tmux.h (revision 91f110e064cd7c194e59e019b83bb7496c1c84d4)
1 /* $OpenBSD: tmux.h,v 1.437 2014/02/23 00:53:06 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 8
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 <imsg.h>
34 #include <limits.h>
35 #include <signal.h>
36 #include <stdarg.h>
37 #include <stdint.h>
38 #include <stdio.h>
39 #include <termios.h>
40 
41 #include "array.h"
42 
43 extern char    *__progname;
44 extern char   **environ;
45 
46 /* Default global configuration file. */
47 #define TMUX_CONF "/etc/tmux.conf"
48 
49 /* Default prompt history length. */
50 #define PROMPT_HISTORY 100
51 
52 /*
53  * Minimum layout cell size, NOT including separator line. The scroll region
54  * cannot be one line in height so this must be at least two.
55  */
56 #define PANE_MINIMUM 2
57 
58 /* Automatic name refresh interval, in milliseconds. */
59 #define NAME_INTERVAL 500
60 
61 /*
62  * UTF-8 data size. This must be big enough to hold combined characters as well
63  * as single.
64  */
65 #define UTF8_SIZE 9
66 
67 /* Fatal errors. */
68 #define fatal(msg) log_fatal("%s: %s", __func__, msg);
69 #define fatalx(msg) log_fatalx("%s: %s", __func__, msg);
70 
71 /* Definition to shut gcc up about unused arguments. */
72 #define unused __attribute__ ((unused))
73 
74 /* Attribute to make gcc check printf-like arguments. */
75 #define printflike1 __attribute__ ((format (printf, 1, 2)))
76 #define printflike2 __attribute__ ((format (printf, 2, 3)))
77 #define printflike3 __attribute__ ((format (printf, 3, 4)))
78 #define printflike4 __attribute__ ((format (printf, 4, 5)))
79 #define printflike5 __attribute__ ((format (printf, 5, 6)))
80 
81 /* Number of items in array. */
82 #ifndef nitems
83 #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
84 #endif
85 
86 /* Default template for choose-buffer. */
87 #define CHOOSE_BUFFER_TEMPLATE					\
88 	"#{line}: #{buffer_size} bytes: \"#{buffer_sample}\""
89 
90 /* Default template for choose-client. */
91 #define CHOOSE_CLIENT_TEMPLATE					\
92 	"#{client_tty}: #{session_name} "			\
93 	"[#{client_width}x#{client_height} #{client_termname}]"	\
94 	"#{?client_utf8, (utf8),}#{?client_readonly, (ro),} "	\
95 	"(last used #{client_activity_string})"
96 
97 /* Default templates for choose-tree. */
98 #define CHOOSE_TREE_SESSION_TEMPLATE				\
99 	"#{session_name}: #{session_windows} windows"		\
100 	"#{?session_grouped, (group ,}"				\
101 	"#{session_group}#{?session_grouped,),}"		\
102 	"#{?session_attached, (attached),}"
103 #define CHOOSE_TREE_WINDOW_TEMPLATE				\
104 	"#{window_index}: #{window_name}#{window_flags} "	\
105 	"\"#{pane_title}\""
106 
107 /* Default template for display-message. */
108 #define DISPLAY_MESSAGE_TEMPLATE				\
109 	"[#{session_name}] #{window_index}:"			\
110 	"#{window_name}, current pane #{pane_index} "		\
111 	"- (%H:%M %d-%b-%y)"
112 
113 /* Default template for find-window. */
114 #define FIND_WINDOW_TEMPLATE					\
115 	"#{window_index}: #{window_name} "			\
116 	"[#{window_width}x#{window_height}] "			\
117 	"(#{window_panes} panes) #{window_find_matches}"
118 
119 /* Default template for list-buffers. */
120 #define LIST_BUFFERS_TEMPLATE					\
121 	"#{line}: #{buffer_size} bytes: \"#{buffer_sample}\""
122 
123 /* Default template for list-clients. */
124 #define LIST_CLIENTS_TEMPLATE					\
125 	"#{client_tty}: #{session_name} "			\
126 	"[#{client_width}x#{client_height} #{client_termname}]"	\
127 	"#{?client_utf8, (utf8),} #{?client_readonly, (ro),}"
128 
129 /* Default template for list-sessions. */
130 #define LIST_SESSIONS_TEMPLATE					\
131 	"#{session_name}: #{session_windows} windows "		\
132 	"(created #{session_created_string}) "			\
133 	"[#{session_width}x#{session_height}]"			\
134 	"#{?session_grouped, (group ,}"				\
135 	"#{session_group}#{?session_grouped,),}"		\
136 	"#{?session_attached, (attached),}"
137 
138 /* Default templates for list-windows. */
139 #define LIST_WINDOWS_TEMPLATE					\
140 	"#{window_index}: #{window_name}#{window_flags} "	\
141 	"(#{window_panes} panes) "				\
142 	"[#{window_width}x#{window_height}] "			\
143 	"[layout #{window_layout}] #{window_id}"		\
144 	"#{?window_active, (active),}";
145 #define LIST_WINDOWS_WITH_SESSION_TEMPLATE			\
146 	"#{session_name}:"					\
147 	"#{window_index}: #{window_name}#{window_flags} "	\
148 	"(#{window_panes} panes) "				\
149 	"[#{window_width}x#{window_height}] "
150 
151 /* Default templates for break-pane, new-window and split-window. */
152 #define BREAK_PANE_TEMPLATE "#{session_name}:#{window_index}.#{pane_index}"
153 #define NEW_SESSION_TEMPLATE "#{session_name}:"
154 #define NEW_WINDOW_TEMPLATE BREAK_PANE_TEMPLATE
155 #define SPLIT_WINDOW_TEMPLATE BREAK_PANE_TEMPLATE
156 
157 /* Bell option values. */
158 #define BELL_NONE 0
159 #define BELL_ANY 1
160 #define BELL_CURRENT 2
161 
162 /* Special key codes. */
163 #define KEYC_NONE 0xfff
164 #define KEYC_BASE 0x1000
165 
166 /* Key modifier bits. */
167 #define KEYC_ESCAPE 0x2000
168 #define KEYC_CTRL 0x4000
169 #define KEYC_SHIFT 0x8000
170 #define KEYC_PREFIX 0x10000
171 
172 /* Mask to obtain key w/o modifiers. */
173 #define KEYC_MASK_MOD (KEYC_ESCAPE|KEYC_CTRL|KEYC_SHIFT|KEYC_PREFIX)
174 #define KEYC_MASK_KEY (~KEYC_MASK_MOD)
175 
176 /* Other key codes. */
177 enum key_code {
178 	/* Mouse key. */
179 	KEYC_MOUSE = KEYC_BASE,
180 
181 	/* Backspace key. */
182 	KEYC_BSPACE,
183 
184 	/* Function keys. */
185 	KEYC_F1,
186 	KEYC_F2,
187 	KEYC_F3,
188 	KEYC_F4,
189 	KEYC_F5,
190 	KEYC_F6,
191 	KEYC_F7,
192 	KEYC_F8,
193 	KEYC_F9,
194 	KEYC_F10,
195 	KEYC_F11,
196 	KEYC_F12,
197 	KEYC_F13,
198 	KEYC_F14,
199 	KEYC_F15,
200 	KEYC_F16,
201 	KEYC_F17,
202 	KEYC_F18,
203 	KEYC_F19,
204 	KEYC_F20,
205 	KEYC_IC,
206 	KEYC_DC,
207 	KEYC_HOME,
208 	KEYC_END,
209 	KEYC_NPAGE,
210 	KEYC_PPAGE,
211 	KEYC_BTAB,
212 
213 	/* Arrow keys. */
214 	KEYC_UP,
215 	KEYC_DOWN,
216 	KEYC_LEFT,
217 	KEYC_RIGHT,
218 
219 	/* Numeric keypad. */
220 	KEYC_KP_SLASH,
221 	KEYC_KP_STAR,
222 	KEYC_KP_MINUS,
223 	KEYC_KP_SEVEN,
224 	KEYC_KP_EIGHT,
225 	KEYC_KP_NINE,
226 	KEYC_KP_PLUS,
227 	KEYC_KP_FOUR,
228 	KEYC_KP_FIVE,
229 	KEYC_KP_SIX,
230 	KEYC_KP_ONE,
231 	KEYC_KP_TWO,
232 	KEYC_KP_THREE,
233 	KEYC_KP_ENTER,
234 	KEYC_KP_ZERO,
235 	KEYC_KP_PERIOD,
236 
237 	KEYC_FOCUS_IN,
238 	KEYC_FOCUS_OUT,
239 };
240 
241 /* Termcap codes. */
242 enum tty_code_code {
243 	TTYC_AX = 0,
244 	TTYC_ACSC,	/* acs_chars, ac */
245 	TTYC_BEL,	/* bell, bl */
246 	TTYC_BLINK,	/* enter_blink_mode, mb */
247 	TTYC_BOLD,	/* enter_bold_mode, md */
248 	TTYC_CIVIS,	/* cursor_invisible, vi */
249 	TTYC_CLEAR,	/* clear_screen, cl */
250 	TTYC_CNORM,	/* cursor_normal, ve */
251 	TTYC_COLORS,	/* max_colors, Co */
252 	TTYC_CR,	/* restore cursor colour, Cr */
253 	TTYC_CS,	/* set cursor colour, Cs */
254 	TTYC_CSR,	/* change_scroll_region, cs */
255 	TTYC_CUB,	/* parm_left_cursor, LE */
256 	TTYC_CUB1,	/* cursor_left, le */
257 	TTYC_CUD,	/* parm_down_cursor, DO */
258 	TTYC_CUD1,	/* cursor_down, do */
259 	TTYC_CUF,	/* parm_right_cursor, RI */
260 	TTYC_CUF1,	/* cursor_right, nd */
261 	TTYC_CUP,	/* cursor_address, cm */
262 	TTYC_CUU,	/* parm_up_cursor, UP */
263 	TTYC_CUU1,	/* cursor_up, up */
264 	TTYC_DCH,	/* parm_dch, DC */
265 	TTYC_DCH1,	/* delete_character, dc */
266 	TTYC_DIM,	/* enter_dim_mode, mh */
267 	TTYC_DL,	/* parm_delete_line, DL */
268 	TTYC_DL1,	/* delete_line, dl */
269 	TTYC_E3,
270 	TTYC_ECH,	/* erase_chars, ec */
271 	TTYC_EL,	/* clr_eol, ce */
272 	TTYC_EL1,	/* clr_bol, cb */
273 	TTYC_ENACS,	/* ena_acs, eA */
274 	TTYC_FSL,	/* from_status_line, fsl */
275 	TTYC_HOME,	/* cursor_home, ho */
276 	TTYC_HPA,	/* column_address, ch */
277 	TTYC_ICH,	/* parm_ich, IC */
278 	TTYC_ICH1,	/* insert_character, ic */
279 	TTYC_IL,	/* parm_insert_line, IL */
280 	TTYC_IL1,	/* insert_line, il */
281 	TTYC_INVIS,	/* enter_secure_mode, mk */
282 	TTYC_IS1,	/* init_1string, i1 */
283 	TTYC_IS2,	/* init_2string, i2 */
284 	TTYC_IS3,	/* init_3string, i3 */
285 	TTYC_KCBT,	/* key_btab, kB */
286 	TTYC_KCUB1,	/* key_left, kl */
287 	TTYC_KCUD1,	/* key_down, kd */
288 	TTYC_KCUF1,	/* key_right, kr */
289 	TTYC_KCUU1,	/* key_up, ku */
290 	TTYC_KDC2,
291 	TTYC_KDC3,
292 	TTYC_KDC4,
293 	TTYC_KDC5,
294 	TTYC_KDC6,
295 	TTYC_KDC7,
296 	TTYC_KDCH1,	/* key_dc, kD */
297 	TTYC_KDN2,
298 	TTYC_KDN3,
299 	TTYC_KDN4,
300 	TTYC_KDN5,
301 	TTYC_KDN6,
302 	TTYC_KDN7,
303 	TTYC_KEND,	/* key_end, ke */
304 	TTYC_KEND2,
305 	TTYC_KEND3,
306 	TTYC_KEND4,
307 	TTYC_KEND5,
308 	TTYC_KEND6,
309 	TTYC_KEND7,
310 	TTYC_KF1,	/* key_f1, k1 */
311 	TTYC_KF10,	/* key_f10, k; */
312 	TTYC_KF11,	/* key_f11, F1 */
313 	TTYC_KF12,	/* key_f12, F2 */
314 	TTYC_KF13,	/* key_f13, F3 */
315 	TTYC_KF14,	/* key_f14, F4 */
316 	TTYC_KF15,	/* key_f15, F5 */
317 	TTYC_KF16,	/* key_f16, F6 */
318 	TTYC_KF17,	/* key_f17, F7 */
319 	TTYC_KF18,	/* key_f18, F8 */
320 	TTYC_KF19,	/* key_f19, F9 */
321 	TTYC_KF2,	/* key_f2, k2 */
322 	TTYC_KF20,	/* key_f20, F10 */
323 	TTYC_KF3,	/* key_f3, k3 */
324 	TTYC_KF4,	/* key_f4, k4 */
325 	TTYC_KF5,	/* key_f5, k5 */
326 	TTYC_KF6,	/* key_f6, k6 */
327 	TTYC_KF7,	/* key_f7, k7 */
328 	TTYC_KF8,	/* key_f8, k8 */
329 	TTYC_KF9,	/* key_f9, k9 */
330 	TTYC_KHOM2,
331 	TTYC_KHOM3,
332 	TTYC_KHOM4,
333 	TTYC_KHOM5,
334 	TTYC_KHOM6,
335 	TTYC_KHOM7,
336 	TTYC_KHOME,	/* key_home, kh */
337 	TTYC_KIC2,
338 	TTYC_KIC3,
339 	TTYC_KIC4,
340 	TTYC_KIC5,
341 	TTYC_KIC6,
342 	TTYC_KIC7,
343 	TTYC_KICH1,	/* key_ic, kI */
344 	TTYC_KLFT2,
345 	TTYC_KLFT3,
346 	TTYC_KLFT4,
347 	TTYC_KLFT5,
348 	TTYC_KLFT6,
349 	TTYC_KLFT7,
350 	TTYC_KMOUS,	/* key_mouse, Km */
351 	TTYC_KNP,	/* key_npage, kN */
352 	TTYC_KNXT2,
353 	TTYC_KNXT3,
354 	TTYC_KNXT4,
355 	TTYC_KNXT5,
356 	TTYC_KNXT6,
357 	TTYC_KNXT7,
358 	TTYC_KPP,	/* key_ppage, kP */
359 	TTYC_KPRV2,
360 	TTYC_KPRV3,
361 	TTYC_KPRV4,
362 	TTYC_KPRV5,
363 	TTYC_KPRV6,
364 	TTYC_KPRV7,
365 	TTYC_KRIT2,
366 	TTYC_KRIT3,
367 	TTYC_KRIT4,
368 	TTYC_KRIT5,
369 	TTYC_KRIT6,
370 	TTYC_KRIT7,
371 	TTYC_KUP2,
372 	TTYC_KUP3,
373 	TTYC_KUP4,
374 	TTYC_KUP5,
375 	TTYC_KUP6,
376 	TTYC_KUP7,
377 	TTYC_MS,	/* modify xterm(1) selection */
378 	TTYC_OP,	/* orig_pair, op */
379 	TTYC_REV,	/* enter_reverse_mode, mr */
380 	TTYC_RI,	/* scroll_reverse, sr */
381 	TTYC_RMACS,	/* exit_alt_charset_mode */
382 	TTYC_RMCUP,	/* exit_ca_mode, te */
383 	TTYC_RMKX,	/* keypad_local, ke */
384 	TTYC_SE,	/* reset cursor style, Se */
385 	TTYC_SETAB,	/* set_a_background, AB */
386 	TTYC_SETAF,	/* set_a_foreground, AF */
387 	TTYC_SGR0,	/* exit_attribute_mode, me */
388 	TTYC_SITM,	/* enter_italics_mode, it */
389 	TTYC_SMACS,	/* enter_alt_charset_mode, as */
390 	TTYC_SMCUP,	/* enter_ca_mode, ti */
391 	TTYC_SMKX,	/* keypad_xmit, ks */
392 	TTYC_SMSO,	/* enter_standout_mode, so */
393 	TTYC_SMUL,	/* enter_underline_mode, us */
394 	TTYC_SS,	/* set cursor style, Ss */
395 	TTYC_TSL,	/* to_status_line, tsl */
396 	TTYC_VPA,	/* row_address, cv */
397 	TTYC_XENL,	/* eat_newline_glitch, xn */
398 	TTYC_XT,	/* xterm(1)-compatible title, XT */
399 };
400 #define NTTYCODE (TTYC_XT + 1)
401 
402 /* Termcap types. */
403 enum tty_code_type {
404 	TTYCODE_NONE = 0,
405 	TTYCODE_STRING,
406 	TTYCODE_NUMBER,
407 	TTYCODE_FLAG,
408 };
409 
410 /* Termcap code. */
411 struct tty_code {
412 	enum tty_code_type	type;
413 	union {
414 		char	       *string;
415 		int		number;
416 		int		flag;
417 	} value;
418 };
419 
420 /* Entry in terminal code table. */
421 struct tty_term_code_entry {
422 	enum tty_code_code	code;
423 	enum tty_code_type	type;
424 	const char	       *name;
425 };
426 
427 /* List of error causes. */
428 ARRAY_DECL(causelist, char *);
429 
430 /* Message codes. */
431 enum msgtype {
432 	MSG_VERSION = 12,
433 
434 	MSG_IDENTIFY_FLAGS = 100,
435 	MSG_IDENTIFY_TERM,
436 	MSG_IDENTIFY_TTYNAME,
437 	MSG_IDENTIFY_CWD,
438 	MSG_IDENTIFY_STDIN,
439 	MSG_IDENTIFY_ENVIRON,
440 	MSG_IDENTIFY_DONE,
441 
442 	MSG_COMMAND = 200,
443 	MSG_DETACH,
444 	MSG_DETACHKILL,
445 	MSG_EXIT,
446 	MSG_EXITED,
447 	MSG_EXITING,
448 	MSG_LOCK,
449 	MSG_READY,
450 	MSG_RESIZE,
451 	MSG_SHELL,
452 	MSG_SHUTDOWN,
453 	MSG_STDERR,
454 	MSG_STDIN,
455 	MSG_STDOUT,
456 	MSG_SUSPEND,
457 	MSG_UNLOCK,
458 	MSG_WAKEUP,
459 };
460 
461 /*
462  * Message data.
463  *
464  * Don't forget to bump PROTOCOL_VERSION if any of these change!
465  */
466 struct msg_command_data {
467 	int	argc;
468 }; /* followed by packed argv */
469 
470 struct msg_stdin_data {
471 	ssize_t	size;
472 	char	data[BUFSIZ];
473 };
474 
475 struct msg_stdout_data {
476 	ssize_t	size;
477 	char	data[BUFSIZ];
478 };
479 
480 struct msg_stderr_data {
481 	ssize_t	size;
482 	char	data[BUFSIZ];
483 };
484 
485 /* Mode key commands. */
486 enum mode_key_cmd {
487 	MODEKEY_NONE,
488 	MODEKEY_OTHER,
489 
490 	/* Editing keys. */
491 	MODEKEYEDIT_BACKSPACE,
492 	MODEKEYEDIT_CANCEL,
493 	MODEKEYEDIT_COMPLETE,
494 	MODEKEYEDIT_CURSORLEFT,
495 	MODEKEYEDIT_CURSORRIGHT,
496 	MODEKEYEDIT_DELETE,
497 	MODEKEYEDIT_DELETELINE,
498 	MODEKEYEDIT_DELETETOENDOFLINE,
499 	MODEKEYEDIT_DELETEWORD,
500 	MODEKEYEDIT_ENDOFLINE,
501 	MODEKEYEDIT_ENTER,
502 	MODEKEYEDIT_HISTORYDOWN,
503 	MODEKEYEDIT_HISTORYUP,
504 	MODEKEYEDIT_NEXTSPACE,
505 	MODEKEYEDIT_NEXTSPACEEND,
506 	MODEKEYEDIT_NEXTWORD,
507 	MODEKEYEDIT_NEXTWORDEND,
508 	MODEKEYEDIT_PASTE,
509 	MODEKEYEDIT_PREVIOUSSPACE,
510 	MODEKEYEDIT_PREVIOUSWORD,
511 	MODEKEYEDIT_STARTOFLINE,
512 	MODEKEYEDIT_SWITCHMODE,
513 	MODEKEYEDIT_SWITCHMODEAPPEND,
514 	MODEKEYEDIT_SWITCHMODEAPPENDLINE,
515 	MODEKEYEDIT_SWITCHMODEBEGINLINE,
516 	MODEKEYEDIT_SWITCHMODECHANGELINE,
517 	MODEKEYEDIT_SWITCHMODESUBSTITUTE,
518 	MODEKEYEDIT_SWITCHMODESUBSTITUTELINE,
519 	MODEKEYEDIT_TRANSPOSECHARS,
520 
521 	/* Menu (choice) keys. */
522 	MODEKEYCHOICE_BACKSPACE,
523 	MODEKEYCHOICE_CANCEL,
524 	MODEKEYCHOICE_CHOOSE,
525 	MODEKEYCHOICE_DOWN,
526 	MODEKEYCHOICE_PAGEDOWN,
527 	MODEKEYCHOICE_PAGEUP,
528 	MODEKEYCHOICE_SCROLLDOWN,
529 	MODEKEYCHOICE_SCROLLUP,
530 	MODEKEYCHOICE_STARTNUMBERPREFIX,
531 	MODEKEYCHOICE_TREE_COLLAPSE,
532 	MODEKEYCHOICE_TREE_COLLAPSE_ALL,
533 	MODEKEYCHOICE_TREE_EXPAND,
534 	MODEKEYCHOICE_TREE_EXPAND_ALL,
535 	MODEKEYCHOICE_TREE_TOGGLE,
536 	MODEKEYCHOICE_UP,
537 
538 	/* Copy keys. */
539 	MODEKEYCOPY_BACKTOINDENTATION,
540 	MODEKEYCOPY_BOTTOMLINE,
541 	MODEKEYCOPY_CANCEL,
542 	MODEKEYCOPY_CLEARSELECTION,
543 	MODEKEYCOPY_COPYPIPE,
544 	MODEKEYCOPY_COPYLINE,
545 	MODEKEYCOPY_COPYENDOFLINE,
546 	MODEKEYCOPY_COPYSELECTION,
547 	MODEKEYCOPY_DOWN,
548 	MODEKEYCOPY_ENDOFLINE,
549 	MODEKEYCOPY_GOTOLINE,
550 	MODEKEYCOPY_HALFPAGEDOWN,
551 	MODEKEYCOPY_HALFPAGEUP,
552 	MODEKEYCOPY_HISTORYBOTTOM,
553 	MODEKEYCOPY_HISTORYTOP,
554 	MODEKEYCOPY_JUMP,
555 	MODEKEYCOPY_JUMPAGAIN,
556 	MODEKEYCOPY_JUMPREVERSE,
557 	MODEKEYCOPY_JUMPBACK,
558 	MODEKEYCOPY_JUMPTO,
559 	MODEKEYCOPY_JUMPTOBACK,
560 	MODEKEYCOPY_LEFT,
561 	MODEKEYCOPY_MIDDLELINE,
562 	MODEKEYCOPY_NEXTPAGE,
563 	MODEKEYCOPY_NEXTSPACE,
564 	MODEKEYCOPY_NEXTSPACEEND,
565 	MODEKEYCOPY_NEXTWORD,
566 	MODEKEYCOPY_NEXTWORDEND,
567 	MODEKEYCOPY_OTHEREND,
568 	MODEKEYCOPY_PREVIOUSPAGE,
569 	MODEKEYCOPY_PREVIOUSSPACE,
570 	MODEKEYCOPY_PREVIOUSWORD,
571 	MODEKEYCOPY_RECTANGLETOGGLE,
572 	MODEKEYCOPY_RIGHT,
573 	MODEKEYCOPY_SCROLLDOWN,
574 	MODEKEYCOPY_SCROLLUP,
575 	MODEKEYCOPY_SEARCHAGAIN,
576 	MODEKEYCOPY_SEARCHDOWN,
577 	MODEKEYCOPY_SEARCHREVERSE,
578 	MODEKEYCOPY_SEARCHUP,
579 	MODEKEYCOPY_SELECTLINE,
580 	MODEKEYCOPY_STARTNUMBERPREFIX,
581 	MODEKEYCOPY_STARTOFLINE,
582 	MODEKEYCOPY_STARTSELECTION,
583 	MODEKEYCOPY_TOPLINE,
584 	MODEKEYCOPY_UP,
585 };
586 
587 /* Entry in the default mode key tables. */
588 struct mode_key_entry {
589 	int			key;
590 
591 	/*
592 	 * Editing mode for vi: 0 is edit mode, keys not in the table are
593 	 * returned as MODEKEY_OTHER; 1 is command mode, keys not in the table
594 	 * are returned as MODEKEY_NONE. This is also matched on, allowing some
595 	 * keys to be bound in edit mode.
596 	 */
597 	int			mode;
598 	enum mode_key_cmd	cmd;
599 };
600 
601 /* Data required while mode keys are in use. */
602 struct mode_key_data {
603 	struct mode_key_tree   *tree;
604 	int			mode;
605 };
606 #define MODEKEY_EMACS 0
607 #define MODEKEY_VI 1
608 
609 /* Binding between a key and a command. */
610 struct mode_key_binding {
611 	int				 key;
612 
613 	int				 mode;
614 	enum mode_key_cmd		 cmd;
615 	const char			*arg;
616 
617 	RB_ENTRY(mode_key_binding)	 entry;
618 };
619 RB_HEAD(mode_key_tree, mode_key_binding);
620 
621 /* Command to string mapping. */
622 struct mode_key_cmdstr {
623 	enum mode_key_cmd	 cmd;
624 	const char		*name;
625 };
626 
627 /* Named mode key table description. */
628 struct mode_key_table {
629 	const char			*name;
630 	const struct mode_key_cmdstr	*cmdstr;
631 	struct mode_key_tree		*tree;
632 	const struct mode_key_entry	*table;	/* default entries */
633 };
634 
635 /* Modes. */
636 #define MODE_CURSOR 0x1
637 #define MODE_INSERT 0x2
638 #define MODE_KCURSOR 0x4
639 #define MODE_KKEYPAD 0x8	/* set = application, clear = number */
640 #define MODE_WRAP 0x10		/* whether lines wrap */
641 #define MODE_MOUSE_STANDARD 0x20
642 #define MODE_MOUSE_BUTTON 0x40
643 #define MODE_MOUSE_ANY 0x80
644 #define MODE_MOUSE_UTF8 0x100
645 #define MODE_MOUSE_SGR 0x200
646 #define MODE_BRACKETPASTE 0x400
647 #define MODE_FOCUSON 0x800
648 
649 #define ALL_MOUSE_MODES (MODE_MOUSE_STANDARD|MODE_MOUSE_BUTTON|MODE_MOUSE_ANY)
650 
651 /* A single UTF-8 character. */
652 struct utf8_data {
653 	u_char	data[UTF8_SIZE];
654 
655 	size_t	have;
656 	size_t	size;
657 
658 	u_int	width;
659 };
660 
661 /* Grid output. */
662 #if defined(DEBUG) && \
663     ((defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
664      (defined(__GNUC__) && __GNUC__ >= 3))
665 #define GRID_DEBUG(gd, fmt, ...) log_debug2("%s: (sx=%u, sy=%u, hsize=%u) " \
666     fmt, __func__, (gd)->sx, (gd)->sy, (gd)->hsize, ## __VA_ARGS__)
667 #else
668 #define GRID_DEBUG(...)
669 #endif
670 
671 /* Grid attributes. */
672 #define GRID_ATTR_BRIGHT 0x1
673 #define GRID_ATTR_DIM 0x2
674 #define GRID_ATTR_UNDERSCORE 0x4
675 #define GRID_ATTR_BLINK 0x8
676 #define GRID_ATTR_REVERSE 0x10
677 #define GRID_ATTR_HIDDEN 0x20
678 #define GRID_ATTR_ITALICS 0x40
679 #define GRID_ATTR_CHARSET 0x80	/* alternative character set */
680 
681 /* Grid flags. */
682 #define GRID_FLAG_FG256 0x1
683 #define GRID_FLAG_BG256 0x2
684 #define GRID_FLAG_PADDING 0x4
685 
686 /* Grid line flags. */
687 #define GRID_LINE_WRAPPED 0x1
688 
689 /* Grid cell data. */
690 struct grid_cell {
691 	u_char	attr;
692 	u_char	flags;
693 	u_char	fg;
694 	u_char	bg;
695 
696 	u_char	xstate; /* top 4 bits width, bottom 4 bits size */
697 	u_char	xdata[UTF8_SIZE];
698 } __packed;
699 
700 /* Grid line. */
701 struct grid_line {
702 	u_int	cellsize;
703 	struct grid_cell *celldata;
704 
705 	int	flags;
706 } __packed;
707 
708 /* Entire grid of cells. */
709 struct grid {
710 	int	flags;
711 #define GRID_HISTORY 0x1	/* scroll lines into history */
712 
713 	u_int	sx;
714 	u_int	sy;
715 
716 	u_int	hsize;
717 	u_int	hlimit;
718 
719 	struct grid_line *linedata;
720 };
721 
722 /* Option data structures. */
723 struct options_entry {
724 	char		*name;
725 
726 	enum {
727 		OPTIONS_STRING,
728 		OPTIONS_NUMBER,
729 		OPTIONS_STYLE
730 	} type;
731 
732 	char			*str;
733 	long long	 	 num;
734 	struct grid_cell	 style;
735 
736 	RB_ENTRY(options_entry) entry;
737 };
738 
739 struct options {
740 	RB_HEAD(options_tree, options_entry) tree;
741 	struct options	*parent;
742 };
743 
744 /* Scheduled job. */
745 struct job {
746 	char		*cmd;
747 	pid_t		 pid;
748 	int		 status;
749 
750 	int		 fd;
751 	struct bufferevent *event;
752 
753 	void		(*callbackfn)(struct job *);
754 	void		(*freefn)(void *);
755 	void		*data;
756 
757 	LIST_ENTRY(job)	 lentry;
758 };
759 LIST_HEAD(joblist, job);
760 
761 /* Screen selection. */
762 struct screen_sel {
763 	int		 flag;
764 	int		 rectflag;
765 
766 	u_int		 sx;
767 	u_int		 sy;
768 
769 	u_int		 ex;
770 	u_int		 ey;
771 
772 	struct grid_cell cell;
773 };
774 
775 /* Virtual screen. */
776 struct screen {
777 	char		*title;
778 
779 	struct grid	*grid;		/* grid data */
780 
781 	u_int		 cx;		/* cursor x */
782 	u_int		 cy;		/* cursor y */
783 
784 	u_int		 cstyle;	/* cursor style */
785 	char		*ccolour;	/* cursor colour string */
786 
787 	u_int		 rupper;	/* scroll region top */
788 	u_int		 rlower;	/* scroll region bottom */
789 
790 	int		 mode;
791 
792 	bitstr_t	*tabs;
793 
794 	struct screen_sel sel;
795 };
796 
797 /* Screen write context. */
798 struct screen_write_ctx {
799 	struct window_pane *wp;
800 	struct screen	*s;
801 };
802 
803 /* Screen size. */
804 #define screen_size_x(s) ((s)->grid->sx)
805 #define screen_size_y(s) ((s)->grid->sy)
806 #define screen_hsize(s) ((s)->grid->hsize)
807 #define screen_hlimit(s) ((s)->grid->hlimit)
808 
809 /* Input parser context. */
810 struct input_ctx {
811 	struct window_pane     *wp;
812 	struct screen_write_ctx ctx;
813 
814 	struct grid_cell	cell;
815 
816 	struct grid_cell	old_cell;
817 	u_int 			old_cx;
818 	u_int			old_cy;
819 
820 	u_char			interm_buf[4];
821 	size_t			interm_len;
822 
823 	u_char			param_buf[64];
824 	size_t			param_len;
825 
826 	u_char			input_buf[256];
827 	size_t			input_len;
828 
829 	int			param_list[24];	/* -1 not present */
830 	u_int			param_list_len;
831 
832 	struct utf8_data	utf8data;
833 
834 	int			ch;
835 	int			flags;
836 #define INPUT_DISCARD 0x1
837 
838 	const struct input_state *state;
839 
840 	/*
841 	 * All input received since we were last in the ground state. Sent to
842 	 * control clients on connection.
843 	 */
844 	struct evbuffer	 	*since_ground;
845 };
846 
847 /*
848  * Window mode. Windows can be in several modes and this is used to call the
849  * right function to handle input and output.
850  */
851 struct session;
852 struct window;
853 struct mouse_event;
854 struct window_mode {
855 	struct screen *(*init)(struct window_pane *);
856 	void	(*free)(struct window_pane *);
857 	void	(*resize)(struct window_pane *, u_int, u_int);
858 	void	(*key)(struct window_pane *, struct session *, int);
859 	void	(*mouse)(struct window_pane *,
860 		    struct session *, struct mouse_event *);
861 	void	(*timer)(struct window_pane *);
862 };
863 
864 /* Structures for choose mode. */
865 struct window_choose_data {
866 	struct client		*start_client;
867 	struct session		*start_session;
868 
869 	u_int			 idx;
870 	int			 type;
871 #define TREE_OTHER 0x0
872 #define TREE_WINDOW 0x1
873 #define TREE_SESSION 0x2
874 
875 	struct session		*tree_session; /* session of items in tree */
876 
877 	struct winlink		*wl;
878 	int			 pane_id;
879 
880 	char		        *ft_template;
881 	struct format_tree	*ft;
882 
883 	char			*command;
884 };
885 
886 struct window_choose_mode_item {
887 	struct window_choose_data	*wcd;
888 	char				*name;
889 	int				 pos;
890 	int				 state;
891 #define TREE_EXPANDED 0x1
892 };
893 
894 /* Child window structure. */
895 struct window_pane {
896 	u_int		 id;
897 
898 	struct window	*window;
899 
900 	struct layout_cell *layout_cell;
901 	struct layout_cell *saved_layout_cell;
902 
903 	u_int		 sx;
904 	u_int		 sy;
905 
906 	u_int		 xoff;
907 	u_int		 yoff;
908 
909 	int		 flags;
910 #define PANE_REDRAW 0x1
911 #define PANE_DROP 0x2
912 #define PANE_FOCUSED 0x4
913 #define PANE_RESIZE 0x8
914 #define PANE_FOCUSPUSH 0x10
915 
916 	char		*cmd;
917 	char		*shell;
918 	int		 cwd;
919 
920 	pid_t		 pid;
921 	char		 tty[TTY_NAME_MAX];
922 
923 	u_int		 changes;
924 	struct event	 changes_timer;
925 	u_int		 changes_redraw;
926 
927 	int		 fd;
928 	struct bufferevent *event;
929 
930 	struct input_ctx ictx;
931 
932 	int		 pipe_fd;
933 	struct bufferevent *pipe_event;
934 	size_t		 pipe_off;
935 
936 	struct screen	*screen;
937 	struct screen	 base;
938 
939 	/* Saved in alternative screen mode. */
940 	u_int		 saved_cx;
941 	u_int		 saved_cy;
942 	struct grid	*saved_grid;
943 	struct grid_cell saved_cell;
944 
945 	const struct window_mode *mode;
946 	void		*modedata;
947 
948 	TAILQ_ENTRY(window_pane) entry;
949 	RB_ENTRY(window_pane) tree_entry;
950 };
951 TAILQ_HEAD(window_panes, window_pane);
952 RB_HEAD(window_pane_tree, window_pane);
953 
954 /* Window structure. */
955 struct window {
956 	u_int		 id;
957 	char		*name;
958 	struct event	 name_timer;
959 	struct timeval   silence_timer;
960 
961 	struct window_pane *active;
962 	struct window_pane *last;
963 	struct window_panes panes;
964 
965 	int		 lastlayout;
966 	struct layout_cell *layout_root;
967 	struct layout_cell *saved_layout_root;
968 
969 	u_int		 sx;
970 	u_int		 sy;
971 
972 	int		 flags;
973 #define WINDOW_BELL 0x1
974 #define WINDOW_ACTIVITY 0x2
975 #define WINDOW_REDRAW 0x4
976 #define WINDOW_SILENCE 0x8
977 #define WINDOW_ZOOMED 0x10
978 #define WINDOW_ALERTFLAGS (WINDOW_BELL|WINDOW_ACTIVITY|WINDOW_SILENCE)
979 
980 	struct options	 options;
981 
982 	u_int		 references;
983 };
984 ARRAY_DECL(windows, struct window *);
985 
986 /* Entry on local window list. */
987 struct winlink {
988 	int		 idx;
989 	struct window	*window;
990 
991 	size_t		 status_width;
992 	struct grid_cell status_cell;
993 	char		*status_text;
994 
995 	int              flags;
996 #define WINLINK_BELL 0x1
997 #define WINLINK_ACTIVITY 0x2
998 #define WINLINK_CONTENT 0x4
999 #define WINLINK_SILENCE 0x8
1000 #define WINLINK_ALERTFLAGS \
1001     (WINLINK_BELL|WINLINK_ACTIVITY|WINLINK_CONTENT|WINLINK_SILENCE)
1002 
1003 	RB_ENTRY(winlink) entry;
1004 	TAILQ_ENTRY(winlink) sentry;
1005 };
1006 RB_HEAD(winlinks, winlink);
1007 TAILQ_HEAD(winlink_stack, winlink);
1008 
1009 /* Layout direction. */
1010 enum layout_type {
1011 	LAYOUT_LEFTRIGHT,
1012 	LAYOUT_TOPBOTTOM,
1013 	LAYOUT_WINDOWPANE
1014 };
1015 
1016 /* Layout cells queue. */
1017 TAILQ_HEAD(layout_cells, layout_cell);
1018 
1019 /* Layout cell. */
1020 struct layout_cell {
1021 	enum layout_type type;
1022 
1023 	struct layout_cell *parent;
1024 
1025 	u_int		 sx;
1026 	u_int		 sy;
1027 
1028 	u_int		 xoff;
1029 	u_int		 yoff;
1030 
1031 	struct window_pane *wp;
1032 	struct window_pane *lastwp;
1033 
1034 	struct layout_cells cells;
1035 
1036 	TAILQ_ENTRY(layout_cell) entry;
1037 };
1038 
1039 /* Paste buffer. */
1040 struct paste_buffer {
1041 	char		*data;
1042 	size_t		 size;
1043 };
1044 ARRAY_DECL(paste_stack, struct paste_buffer *);
1045 
1046 /* Environment variable. */
1047 struct environ_entry {
1048 	char		*name;
1049 	char		*value;
1050 
1051 	RB_ENTRY(environ_entry) entry;
1052 };
1053 RB_HEAD(environ, environ_entry);
1054 
1055 /* Client session. */
1056 struct session_group {
1057 	TAILQ_HEAD(, session) sessions;
1058 
1059 	TAILQ_ENTRY(session_group) entry;
1060 };
1061 TAILQ_HEAD(session_groups, session_group);
1062 
1063 struct session {
1064 	u_int		 id;
1065 
1066 	char		*name;
1067 	int		 cwd;
1068 
1069 	struct timeval	 creation_time;
1070 	struct timeval	 activity_time;
1071 	struct timeval	 last_activity_time;
1072 
1073 	u_int		 sx;
1074 	u_int		 sy;
1075 
1076 	struct winlink	*curw;
1077 	struct winlink_stack lastw;
1078 	struct winlinks	 windows;
1079 
1080 	struct options	 options;
1081 
1082 #define SESSION_UNATTACHED 0x1	/* not attached to any clients */
1083 	int		 flags;
1084 
1085 	struct termios	*tio;
1086 
1087 	struct environ	 environ;
1088 
1089 	int		 references;
1090 
1091 	TAILQ_ENTRY(session) gentry;
1092 	RB_ENTRY(session)    entry;
1093 };
1094 RB_HEAD(sessions, session);
1095 ARRAY_DECL(sessionslist, struct session *);
1096 
1097 /* TTY information. */
1098 struct tty_key {
1099 	char		 ch;
1100 	int		 key;
1101 
1102 	struct tty_key	*left;
1103 	struct tty_key	*right;
1104 
1105 	struct tty_key	*next;
1106 };
1107 
1108 struct tty_term {
1109 	char		*name;
1110 	u_int		 references;
1111 
1112 	char		 acs[UCHAR_MAX + 1][2];
1113 
1114 	struct tty_code	 codes[NTTYCODE];
1115 
1116 #define TERM_256COLOURS 0x1
1117 #define TERM_EARLYWRAP 0x2
1118 	int		 flags;
1119 
1120 	LIST_ENTRY(tty_term) entry;
1121 };
1122 LIST_HEAD(tty_terms, tty_term);
1123 
1124 /* Mouse wheel states. */
1125 #define MOUSE_WHEEL_UP 0
1126 #define MOUSE_WHEEL_DOWN 1
1127 
1128 /* Mouse events. */
1129 #define MOUSE_EVENT_DOWN (1 << 0)
1130 #define MOUSE_EVENT_DRAG (1 << 1)
1131 #define MOUSE_EVENT_UP (1 << 2)
1132 #define MOUSE_EVENT_CLICK (1 << 3)
1133 #define MOUSE_EVENT_WHEEL (1 << 4)
1134 
1135 /* Mouse flags. */
1136 #define MOUSE_RESIZE_PANE (1 << 0)
1137 
1138 /*
1139  * Mouse input. When sent by xterm:
1140  *
1141  * - buttons are in the bottom two bits: 0 = b1; 1 = b2; 2 = b3; 3 = released
1142  * - bits 3, 4 and 5 are for keys
1143  * - bit 6 is set for dragging
1144  * - bit 7 for buttons 4 and 5
1145  *
1146  * With the SGR 1006 extension the released button becomes known. Store these
1147  * in separate fields and store the value converted to the old format in xb.
1148  */
1149 struct mouse_event {
1150 	u_int	xb;
1151 
1152 	u_int	x;
1153 	u_int	lx;
1154 	u_int	sx;
1155 
1156 	u_int	y;
1157 	u_int	ly;
1158 	u_int	sy;
1159 
1160 	u_int   sgr;		/* whether the input arrived in SGR format */
1161 	u_int   sgr_xb;		/* only for SGR: the unmangled button */
1162 	u_int   sgr_rel;	/* only for SGR: if it is a release event */
1163 
1164 	u_int	button;
1165 	u_int	clicks;
1166 
1167 	int	wheel;
1168 	int     event;
1169 	int     flags;
1170 };
1171 
1172 struct tty {
1173 	struct client	*client;
1174 
1175 	char		*path;
1176 	u_int		 class;
1177 
1178 	u_int		 sx;
1179 	u_int		 sy;
1180 
1181 	u_int		 cx;
1182 	u_int		 cy;
1183 	u_int		 cstyle;
1184 	char		*ccolour;
1185 
1186 	int		 mode;
1187 
1188 	u_int		 rlower;
1189 	u_int		 rupper;
1190 
1191 	char		*termname;
1192 	struct tty_term	*term;
1193 
1194 	int		 fd;
1195 	struct bufferevent *event;
1196 
1197 	int		 log_fd;
1198 
1199 	struct termios	 tio;
1200 
1201 	struct grid_cell cell;
1202 
1203 #define TTY_NOCURSOR 0x1
1204 #define TTY_FREEZE 0x2
1205 #define TTY_TIMER 0x4
1206 #define TTY_UTF8 0x8
1207 #define TTY_STARTED 0x10
1208 #define TTY_OPENED 0x20
1209 #define TTY_FOCUS 0x40
1210 	int		 flags;
1211 
1212 	int		 term_flags;
1213 
1214 	struct mouse_event mouse;
1215 
1216 	struct event	 key_timer;
1217 	struct tty_key	*key_tree;
1218 };
1219 
1220 /* TTY command context and function pointer. */
1221 struct tty_ctx {
1222 	struct window_pane *wp;
1223 
1224 	const struct grid_cell *cell;
1225 
1226 	u_int		 num;
1227 	void		*ptr;
1228 
1229 	/*
1230 	 * Cursor and region position before the screen was updated - this is
1231 	 * where the command should be applied; the values in the screen have
1232 	 * already been updated.
1233 	 */
1234 	u_int		 ocx;
1235 	u_int		 ocy;
1236 
1237 	u_int		 orupper;
1238 	u_int		 orlower;
1239 
1240 	u_int		 xoff;
1241 	u_int		 yoff;
1242 
1243 	/* Saved last cell on line. */
1244 	struct grid_cell last_cell;
1245 	u_int		 last_width;
1246 };
1247 
1248 /* Saved message entry. */
1249 struct message_entry {
1250 	char   *msg;
1251 	time_t	msg_time;
1252 };
1253 
1254 /* Status output data from a job. */
1255 struct status_out {
1256 	char   *cmd;
1257 	char   *out;
1258 
1259 	RB_ENTRY(status_out) entry;
1260 };
1261 RB_HEAD(status_out_tree, status_out);
1262 
1263 /* Client connection. */
1264 struct client {
1265 	struct imsgbuf	 ibuf;
1266 
1267 	int		 fd;
1268 	struct event	 event;
1269 	int		 retval;
1270 
1271 	struct timeval	 creation_time;
1272 	struct timeval	 activity_time;
1273 
1274 	struct environ	 environ;
1275 
1276 	char		*title;
1277 	int		 cwd;
1278 
1279 	char		*term;
1280 	char		*ttyname;
1281 	struct tty	 tty;
1282 
1283 	void		(*stdin_callback)(struct client *, int, void *);
1284 	void		*stdin_callback_data;
1285 	struct evbuffer	*stdin_data;
1286 	int              stdin_closed;
1287 	struct evbuffer	*stdout_data;
1288 	struct evbuffer	*stderr_data;
1289 
1290 	struct event	 repeat_timer;
1291 
1292 	struct status_out_tree status_old;
1293 	struct status_out_tree status_new;
1294 	struct timeval	 status_timer;
1295 	struct screen	 status;
1296 
1297 #define CLIENT_TERMINAL 0x1
1298 #define CLIENT_PREFIX 0x2
1299 #define CLIENT_EXIT 0x4
1300 #define CLIENT_REDRAW 0x8
1301 #define CLIENT_STATUS 0x10
1302 #define CLIENT_REPEAT 0x20
1303 #define CLIENT_SUSPENDED 0x40
1304 #define CLIENT_BAD 0x80
1305 #define CLIENT_IDENTIFY 0x100
1306 #define CLIENT_DEAD 0x200
1307 #define CLIENT_BORDERS 0x400
1308 #define CLIENT_READONLY 0x800
1309 #define CLIENT_REDRAWWINDOW 0x1000
1310 #define CLIENT_CONTROL 0x2000
1311 #define CLIENT_CONTROLCONTROL 0x4000
1312 #define CLIENT_FOCUSED 0x8000
1313 #define CLIENT_UTF8 0x10000
1314 #define CLIENT_256COLOURS 0x20000
1315 #define CLIENT_IDENTIFIED 0x40000
1316 	int		 flags;
1317 
1318 	struct event	 identify_timer;
1319 
1320 	char		*message_string;
1321 	struct event	 message_timer;
1322 	ARRAY_DECL(, struct message_entry) message_log;
1323 
1324 	char		*prompt_string;
1325 	char		*prompt_buffer;
1326 	size_t		 prompt_index;
1327 	int		 (*prompt_callbackfn)(void *, const char *);
1328 	void		 (*prompt_freefn)(void *);
1329 	void		*prompt_data;
1330 	u_int            prompt_hindex;
1331 
1332 #define PROMPT_SINGLE 0x1
1333 	int		 prompt_flags;
1334 
1335 	struct mode_key_data prompt_mdata;
1336 
1337 	struct session	*session;
1338 	struct session	*last_session;
1339 
1340 	int		 wlmouse;
1341 
1342 	struct cmd_q	*cmdq;
1343 	int		 references;
1344 };
1345 ARRAY_DECL(clients, struct client *);
1346 
1347 /* Parsed arguments structures. */
1348 struct args_entry {
1349 	u_char			 flag;
1350 	char			*value;
1351 	RB_ENTRY(args_entry)	 entry;
1352 };
1353 RB_HEAD(args_tree, args_entry);
1354 
1355 struct args {
1356 	struct args_tree	  tree;
1357 	int		 	  argc;
1358 	char	       		**argv;
1359 };
1360 
1361 /* Command and list of commands. */
1362 struct cmd {
1363 	const struct cmd_entry	*entry;
1364 	struct args		*args;
1365 
1366 	char			*file;
1367 	u_int			 line;
1368 
1369 #define CMD_CONTROL 0x1
1370 	int			 flags;
1371 
1372 	TAILQ_ENTRY(cmd)	 qentry;
1373 };
1374 struct cmd_list {
1375 	int		 	 references;
1376 	TAILQ_HEAD(, cmd) 	 list;
1377 };
1378 
1379 /* Command return values. */
1380 enum cmd_retval {
1381 	CMD_RETURN_ERROR = -1,
1382 	CMD_RETURN_NORMAL = 0,
1383 	CMD_RETURN_WAIT,
1384 	CMD_RETURN_STOP
1385 };
1386 
1387 /* Command queue entry. */
1388 struct cmd_q_item {
1389 	struct cmd_list		*cmdlist;
1390 	TAILQ_ENTRY(cmd_q_item)	 qentry;
1391 };
1392 TAILQ_HEAD(cmd_q_items, cmd_q_item);
1393 
1394 /* Command queue. */
1395 struct cmd_q {
1396 	int			 references;
1397 	int			 dead;
1398 
1399 	struct client		*client;
1400 	int			 client_exit;
1401 
1402 	struct cmd_q_items	 queue;
1403 	struct cmd_q_item	*item;
1404 	struct cmd		*cmd;
1405 
1406 	time_t			 time;
1407 	u_int			 number;
1408 
1409 	void			 (*emptyfn)(struct cmd_q *);
1410 	void			*data;
1411 
1412 	TAILQ_ENTRY(cmd_q)       waitentry;
1413 };
1414 
1415 /* Command definition. */
1416 struct cmd_entry {
1417 	const char	*name;
1418 	const char	*alias;
1419 
1420 	const char	*args_template;
1421 	int		 args_lower;
1422 	int		 args_upper;
1423 
1424 	const char	*usage;
1425 
1426 #define CMD_STARTSERVER 0x1
1427 #define CMD_CANTNEST 0x2
1428 #define CMD_READONLY 0x4
1429 	int		 flags;
1430 
1431 	void		 (*key_binding)(struct cmd *, int);
1432 	enum cmd_retval	 (*exec)(struct cmd *, struct cmd_q *);
1433 };
1434 
1435 /* Key binding. */
1436 struct key_binding {
1437 	int		 key;
1438 	struct cmd_list	*cmdlist;
1439 	int		 can_repeat;
1440 
1441 	RB_ENTRY(key_binding) entry;
1442 };
1443 RB_HEAD(key_bindings, key_binding);
1444 
1445 /*
1446  * Option table entries. The option table is the user-visible part of the
1447  * option, as opposed to the internal options (struct option) which are just
1448  * number or string.
1449  */
1450 enum options_table_type {
1451 	OPTIONS_TABLE_STRING,
1452 	OPTIONS_TABLE_NUMBER,
1453 	OPTIONS_TABLE_KEY,
1454 	OPTIONS_TABLE_COLOUR,
1455 	OPTIONS_TABLE_ATTRIBUTES,
1456 	OPTIONS_TABLE_FLAG,
1457 	OPTIONS_TABLE_CHOICE,
1458 	OPTIONS_TABLE_STYLE
1459 };
1460 
1461 struct options_table_entry {
1462 	const char	       *name;
1463 	enum options_table_type	type;
1464 
1465 	u_int		 	minimum;
1466 	u_int		 	maximum;
1467 	const char	      **choices;
1468 
1469 	const char	       *default_str;
1470 	long long		default_num;
1471 
1472 	const char	       *style;
1473 };
1474 
1475 /* Tree of format entries. */
1476 struct format_entry {
1477 	char		       *key;
1478 	char		       *value;
1479 
1480 	RB_ENTRY(format_entry)	entry;
1481 };
1482 RB_HEAD(format_tree, format_entry);
1483 
1484 /* Common command usages. */
1485 #define CMD_TARGET_PANE_USAGE "[-t target-pane]"
1486 #define CMD_TARGET_WINDOW_USAGE "[-t target-window]"
1487 #define CMD_TARGET_SESSION_USAGE "[-t target-session]"
1488 #define CMD_TARGET_CLIENT_USAGE "[-t target-client]"
1489 #define CMD_SRCDST_PANE_USAGE "[-s src-pane] [-t dst-pane]"
1490 #define CMD_SRCDST_WINDOW_USAGE "[-s src-window] [-t dst-window]"
1491 #define CMD_SRCDST_SESSION_USAGE "[-s src-session] [-t dst-session]"
1492 #define CMD_SRCDST_CLIENT_USAGE "[-s src-client] [-t dst-client]"
1493 #define CMD_BUFFER_USAGE "[-b buffer-index]"
1494 
1495 /* tmux.c */
1496 extern struct options global_options;
1497 extern struct options global_s_options;
1498 extern struct options global_w_options;
1499 extern struct environ global_environ;
1500 extern struct event_base *ev_base;
1501 extern char	*cfg_file;
1502 extern char	*shell_cmd;
1503 extern int	 debug_level;
1504 extern time_t	 start_time;
1505 extern char	 socket_path[MAXPATHLEN];
1506 extern int	 login_shell;
1507 extern char	*environ_path;
1508 void		 logfile(const char *);
1509 const char	*getshell(void);
1510 int		 checkshell(const char *);
1511 int		 areshell(const char *);
1512 void		 setblocking(int, int);
1513 __dead void	 shell_exec(const char *, const char *);
1514 
1515 /* cfg.c */
1516 extern struct cmd_q *cfg_cmd_q;
1517 extern int cfg_finished;
1518 extern int cfg_references;
1519 extern struct causelist cfg_causes;
1520 extern struct client *cfg_client;
1521 int		 load_cfg(const char *, struct cmd_q *, char **);
1522 void		 cfg_default_done(struct cmd_q *);
1523 void		 cfg_show_causes(struct session *);
1524 
1525 /* format.c */
1526 int		 format_cmp(struct format_entry *, struct format_entry *);
1527 RB_PROTOTYPE(format_tree, format_entry, entry, format_cmp);
1528 struct format_tree *format_create(void);
1529 void		 format_free(struct format_tree *);
1530 void printflike3 format_add(struct format_tree *, const char *, const char *,
1531 		     ...);
1532 const char	*format_find(struct format_tree *, const char *);
1533 char		*format_expand(struct format_tree *, const char *);
1534 void		 format_session(struct format_tree *, struct session *);
1535 void		 format_client(struct format_tree *, struct client *);
1536 void		 format_window(struct format_tree *, struct window *);
1537 void		 format_winlink(struct format_tree *, struct session *,
1538 		     struct winlink *);
1539 void		 format_window_pane(struct format_tree *,
1540 		     struct window_pane *);
1541 void		 format_paste_buffer(struct format_tree *,
1542 		     struct paste_buffer *);
1543 
1544 /* mode-key.c */
1545 extern const struct mode_key_table mode_key_tables[];
1546 extern struct mode_key_tree mode_key_tree_vi_edit;
1547 extern struct mode_key_tree mode_key_tree_vi_choice;
1548 extern struct mode_key_tree mode_key_tree_vi_copy;
1549 extern struct mode_key_tree mode_key_tree_emacs_edit;
1550 extern struct mode_key_tree mode_key_tree_emacs_choice;
1551 extern struct mode_key_tree mode_key_tree_emacs_copy;
1552 int	mode_key_cmp(struct mode_key_binding *, struct mode_key_binding *);
1553 RB_PROTOTYPE(mode_key_tree, mode_key_binding, entry, mode_key_cmp);
1554 const char *mode_key_tostring(const struct mode_key_cmdstr *,
1555 	    enum mode_key_cmd);
1556 enum mode_key_cmd mode_key_fromstring(const struct mode_key_cmdstr *,
1557 	    const char *);
1558 const struct mode_key_table *mode_key_findtable(const char *);
1559 void	mode_key_init_trees(void);
1560 void	mode_key_init(struct mode_key_data *, struct mode_key_tree *);
1561 enum mode_key_cmd mode_key_lookup(struct mode_key_data *, int, const char **);
1562 
1563 /* notify.c */
1564 void	notify_enable(void);
1565 void	notify_disable(void);
1566 void	notify_input(struct window_pane *, struct evbuffer *);
1567 void	notify_window_layout_changed(struct window *);
1568 void	notify_window_unlinked(struct session *, struct window *);
1569 void	notify_window_linked(struct session *, struct window *);
1570 void	notify_window_renamed(struct window *);
1571 void	notify_attached_session_changed(struct client *);
1572 void	notify_session_renamed(struct session *);
1573 void	notify_session_created(struct session *);
1574 void	notify_session_closed(struct session *);
1575 
1576 /* options.c */
1577 int	options_cmp(struct options_entry *, struct options_entry *);
1578 RB_PROTOTYPE(options_tree, options_entry, entry, options_cmp);
1579 void	options_init(struct options *, struct options *);
1580 void	options_free(struct options *);
1581 struct options_entry *options_find1(struct options *, const char *);
1582 struct options_entry *options_find(struct options *, const char *);
1583 void	options_remove(struct options *, const char *);
1584 struct options_entry *printflike3 options_set_string(struct options *,
1585 	    const char *, const char *, ...);
1586 char   *options_get_string(struct options *, const char *);
1587 struct options_entry *options_set_number(struct options *, const char *,
1588 	    long long);
1589 long long options_get_number(struct options *, const char *);
1590 struct options_entry *options_set_style(struct options *, const char *,
1591 	    const char *, int);
1592 struct grid_cell *options_get_style(struct options *, const char *);
1593 
1594 /* options-table.c */
1595 extern const struct options_table_entry server_options_table[];
1596 extern const struct options_table_entry session_options_table[];
1597 extern const struct options_table_entry window_options_table[];
1598 void	options_table_populate_tree(const struct options_table_entry *,
1599 	    struct options *);
1600 const char *options_table_print_entry(const struct options_table_entry *,
1601 	    struct options_entry *, int);
1602 int	options_table_find(const char *, const struct options_table_entry **,
1603 	    const struct options_table_entry **);
1604 
1605 /* job.c */
1606 extern struct joblist all_jobs;
1607 struct job *job_run(const char *, struct session *,
1608 	    void (*)(struct job *), void (*)(void *), void *);
1609 void	job_free(struct job *);
1610 void	job_died(struct job *, int);
1611 
1612 /* environ.c */
1613 int	environ_cmp(struct environ_entry *, struct environ_entry *);
1614 RB_PROTOTYPE(environ, environ_entry, entry, environ_cmp);
1615 void	environ_init(struct environ *);
1616 void	environ_free(struct environ *);
1617 void	environ_copy(struct environ *, struct environ *);
1618 struct environ_entry *environ_find(struct environ *, const char *);
1619 void	environ_set(struct environ *, const char *, const char *);
1620 void	environ_put(struct environ *, const char *);
1621 void	environ_unset(struct environ *, const char *);
1622 void	environ_update(const char *, struct environ *, struct environ *);
1623 void	environ_push(struct environ *);
1624 
1625 /* tty.c */
1626 void	tty_init_termios(int, struct termios *, struct bufferevent *);
1627 void	tty_raw(struct tty *, const char *);
1628 void	tty_attributes(struct tty *, const struct grid_cell *);
1629 void	tty_reset(struct tty *);
1630 void	tty_region_pane(struct tty *, const struct tty_ctx *, u_int, u_int);
1631 void	tty_region(struct tty *, u_int, u_int);
1632 void	tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int, u_int);
1633 void	tty_cursor(struct tty *, u_int, u_int);
1634 void	tty_putcode(struct tty *, enum tty_code_code);
1635 void	tty_putcode1(struct tty *, enum tty_code_code, int);
1636 void	tty_putcode2(struct tty *, enum tty_code_code, int, int);
1637 void	tty_putcode_ptr1(struct tty *, enum tty_code_code, const void *);
1638 void	tty_putcode_ptr2(struct tty *, enum tty_code_code, const void *,
1639 	    const void *);
1640 void	tty_puts(struct tty *, const char *);
1641 void	tty_putc(struct tty *, u_char);
1642 void	tty_putn(struct tty *, const void *, size_t, u_int);
1643 void	tty_init(struct tty *, struct client *, int, char *);
1644 int	tty_resize(struct tty *);
1645 int	tty_set_size(struct tty *, u_int, u_int);
1646 void	tty_set_class(struct tty *, u_int);
1647 void	tty_start_tty(struct tty *);
1648 void	tty_stop_tty(struct tty *);
1649 void	tty_set_title(struct tty *, const char *);
1650 void	tty_update_mode(struct tty *, int, struct screen *);
1651 void	tty_force_cursor_colour(struct tty *, const char *);
1652 void	tty_draw_line(struct tty *, struct screen *, u_int, u_int, u_int);
1653 int	tty_open(struct tty *, char **);
1654 void	tty_close(struct tty *);
1655 void	tty_free(struct tty *);
1656 void	tty_write(
1657 	    void (*)(struct tty *, const struct tty_ctx *), struct tty_ctx *);
1658 void	tty_cmd_alignmenttest(struct tty *, const struct tty_ctx *);
1659 void	tty_cmd_cell(struct tty *, const struct tty_ctx *);
1660 void	tty_cmd_clearendofline(struct tty *, const struct tty_ctx *);
1661 void	tty_cmd_clearendofscreen(struct tty *, const struct tty_ctx *);
1662 void	tty_cmd_clearline(struct tty *, const struct tty_ctx *);
1663 void	tty_cmd_clearscreen(struct tty *, const struct tty_ctx *);
1664 void	tty_cmd_clearstartofline(struct tty *, const struct tty_ctx *);
1665 void	tty_cmd_clearstartofscreen(struct tty *, const struct tty_ctx *);
1666 void	tty_cmd_deletecharacter(struct tty *, const struct tty_ctx *);
1667 void	tty_cmd_clearcharacter(struct tty *, const struct tty_ctx *);
1668 void	tty_cmd_deleteline(struct tty *, const struct tty_ctx *);
1669 void	tty_cmd_erasecharacter(struct tty *, const struct tty_ctx *);
1670 void	tty_cmd_insertcharacter(struct tty *, const struct tty_ctx *);
1671 void	tty_cmd_insertline(struct tty *, const struct tty_ctx *);
1672 void	tty_cmd_linefeed(struct tty *, const struct tty_ctx *);
1673 void	tty_cmd_utf8character(struct tty *, const struct tty_ctx *);
1674 void	tty_cmd_reverseindex(struct tty *, const struct tty_ctx *);
1675 void	tty_cmd_setselection(struct tty *, const struct tty_ctx *);
1676 void	tty_cmd_rawstring(struct tty *, const struct tty_ctx *);
1677 void	tty_bell(struct tty *);
1678 
1679 /* tty-term.c */
1680 extern struct tty_terms tty_terms;
1681 extern const struct tty_term_code_entry tty_term_codes[NTTYCODE];
1682 struct tty_term *tty_term_find(char *, int, char **);
1683 void		 tty_term_free(struct tty_term *);
1684 int		 tty_term_has(struct tty_term *, enum tty_code_code);
1685 const char	*tty_term_string(struct tty_term *, enum tty_code_code);
1686 const char	*tty_term_string1(struct tty_term *, enum tty_code_code, int);
1687 const char	*tty_term_string2(
1688 		     struct tty_term *, enum tty_code_code, int, int);
1689 const char	*tty_term_ptr1(
1690 		     struct tty_term *, enum tty_code_code, const void *);
1691 const char	*tty_term_ptr2(struct tty_term *, enum tty_code_code,
1692 		     const void *, const void *);
1693 int		 tty_term_number(struct tty_term *, enum tty_code_code);
1694 int		 tty_term_flag(struct tty_term *, enum tty_code_code);
1695 
1696 /* tty-acs.c */
1697 const char	*tty_acs_get(struct tty *, u_char);
1698 
1699 /* tty-keys.c */
1700 void	tty_keys_build(struct tty *);
1701 void	tty_keys_free(struct tty *);
1702 int	tty_keys_next(struct tty *);
1703 
1704 /* paste.c */
1705 struct paste_buffer *paste_walk_stack(struct paste_stack *, u_int *);
1706 struct paste_buffer *paste_get_top(struct paste_stack *);
1707 struct paste_buffer *paste_get_index(struct paste_stack *, u_int);
1708 int		 paste_free_top(struct paste_stack *);
1709 int		 paste_free_index(struct paste_stack *, u_int);
1710 void		 paste_add(struct paste_stack *, char *, size_t, u_int);
1711 int		 paste_replace(struct paste_stack *, u_int, char *, size_t);
1712 char		*paste_print(struct paste_buffer *, size_t);
1713 void		 paste_send_pane(struct paste_buffer *, struct window_pane *,
1714 		     const char *, int);
1715 
1716 /* clock.c */
1717 extern const char clock_table[14][5][5];
1718 void		 clock_draw(struct screen_write_ctx *, int, int);
1719 
1720 /* arguments.c */
1721 int		 args_cmp(struct args_entry *, struct args_entry *);
1722 RB_PROTOTYPE(args_tree, args_entry, entry, args_cmp);
1723 struct args	*args_create(int, ...);
1724 struct args	*args_parse(const char *, int, char **);
1725 void		 args_free(struct args *);
1726 size_t		 args_print(struct args *, char *, size_t);
1727 int		 args_has(struct args *, u_char);
1728 void		 args_set(struct args *, u_char, const char *);
1729 const char	*args_get(struct args *, u_char);
1730 long long	 args_strtonum(
1731 		    struct args *, u_char, long long, long long, char **);
1732 
1733 /* cmd.c */
1734 int		 cmd_pack_argv(int, char **, char *, size_t);
1735 int		 cmd_unpack_argv(char *, size_t, int, char ***);
1736 char	       **cmd_copy_argv(int, char *const *);
1737 void		 cmd_free_argv(int, char **);
1738 struct cmd	*cmd_parse(int, char **, const char *, u_int, char **);
1739 size_t		 cmd_print(struct cmd *, char *, size_t);
1740 struct session	*cmd_current_session(struct cmd_q *, int);
1741 struct client	*cmd_current_client(struct cmd_q *);
1742 struct client	*cmd_find_client(struct cmd_q *, const char *, int);
1743 struct session	*cmd_find_session(struct cmd_q *, const char *, int);
1744 struct winlink	*cmd_find_window(struct cmd_q *, const char *,
1745 		     struct session **);
1746 int		 cmd_find_index(struct cmd_q *, const char *,
1747 		     struct session **);
1748 struct winlink	*cmd_find_pane(struct cmd_q *, const char *, struct session **,
1749 		     struct window_pane **);
1750 char		*cmd_template_replace(const char *, const char *, int);
1751 struct window	*cmd_lookup_windowid(const char *);
1752 struct window_pane *cmd_lookup_paneid(const char *);
1753 extern const struct cmd_entry *cmd_table[];
1754 extern const struct cmd_entry cmd_attach_session_entry;
1755 extern const struct cmd_entry cmd_bind_key_entry;
1756 extern const struct cmd_entry cmd_break_pane_entry;
1757 extern const struct cmd_entry cmd_capture_pane_entry;
1758 extern const struct cmd_entry cmd_choose_buffer_entry;
1759 extern const struct cmd_entry cmd_choose_client_entry;
1760 extern const struct cmd_entry cmd_choose_list_entry;
1761 extern const struct cmd_entry cmd_choose_session_entry;
1762 extern const struct cmd_entry cmd_choose_tree_entry;
1763 extern const struct cmd_entry cmd_choose_window_entry;
1764 extern const struct cmd_entry cmd_clear_history_entry;
1765 extern const struct cmd_entry cmd_clock_mode_entry;
1766 extern const struct cmd_entry cmd_command_prompt_entry;
1767 extern const struct cmd_entry cmd_confirm_before_entry;
1768 extern const struct cmd_entry cmd_copy_mode_entry;
1769 extern const struct cmd_entry cmd_delete_buffer_entry;
1770 extern const struct cmd_entry cmd_detach_client_entry;
1771 extern const struct cmd_entry cmd_display_message_entry;
1772 extern const struct cmd_entry cmd_display_panes_entry;
1773 extern const struct cmd_entry cmd_down_pane_entry;
1774 extern const struct cmd_entry cmd_find_window_entry;
1775 extern const struct cmd_entry cmd_has_session_entry;
1776 extern const struct cmd_entry cmd_if_shell_entry;
1777 extern const struct cmd_entry cmd_join_pane_entry;
1778 extern const struct cmd_entry cmd_kill_pane_entry;
1779 extern const struct cmd_entry cmd_kill_server_entry;
1780 extern const struct cmd_entry cmd_kill_session_entry;
1781 extern const struct cmd_entry cmd_kill_window_entry;
1782 extern const struct cmd_entry cmd_last_pane_entry;
1783 extern const struct cmd_entry cmd_last_window_entry;
1784 extern const struct cmd_entry cmd_link_window_entry;
1785 extern const struct cmd_entry cmd_list_buffers_entry;
1786 extern const struct cmd_entry cmd_list_clients_entry;
1787 extern const struct cmd_entry cmd_list_commands_entry;
1788 extern const struct cmd_entry cmd_list_keys_entry;
1789 extern const struct cmd_entry cmd_list_panes_entry;
1790 extern const struct cmd_entry cmd_list_sessions_entry;
1791 extern const struct cmd_entry cmd_list_windows_entry;
1792 extern const struct cmd_entry cmd_load_buffer_entry;
1793 extern const struct cmd_entry cmd_lock_client_entry;
1794 extern const struct cmd_entry cmd_lock_server_entry;
1795 extern const struct cmd_entry cmd_lock_session_entry;
1796 extern const struct cmd_entry cmd_move_pane_entry;
1797 extern const struct cmd_entry cmd_move_window_entry;
1798 extern const struct cmd_entry cmd_new_session_entry;
1799 extern const struct cmd_entry cmd_new_window_entry;
1800 extern const struct cmd_entry cmd_next_layout_entry;
1801 extern const struct cmd_entry cmd_next_window_entry;
1802 extern const struct cmd_entry cmd_paste_buffer_entry;
1803 extern const struct cmd_entry cmd_pipe_pane_entry;
1804 extern const struct cmd_entry cmd_previous_layout_entry;
1805 extern const struct cmd_entry cmd_previous_window_entry;
1806 extern const struct cmd_entry cmd_refresh_client_entry;
1807 extern const struct cmd_entry cmd_rename_session_entry;
1808 extern const struct cmd_entry cmd_rename_window_entry;
1809 extern const struct cmd_entry cmd_resize_pane_entry;
1810 extern const struct cmd_entry cmd_respawn_pane_entry;
1811 extern const struct cmd_entry cmd_respawn_window_entry;
1812 extern const struct cmd_entry cmd_rotate_window_entry;
1813 extern const struct cmd_entry cmd_run_shell_entry;
1814 extern const struct cmd_entry cmd_save_buffer_entry;
1815 extern const struct cmd_entry cmd_select_layout_entry;
1816 extern const struct cmd_entry cmd_select_pane_entry;
1817 extern const struct cmd_entry cmd_select_window_entry;
1818 extern const struct cmd_entry cmd_send_keys_entry;
1819 extern const struct cmd_entry cmd_send_prefix_entry;
1820 extern const struct cmd_entry cmd_server_info_entry;
1821 extern const struct cmd_entry cmd_set_buffer_entry;
1822 extern const struct cmd_entry cmd_set_environment_entry;
1823 extern const struct cmd_entry cmd_set_option_entry;
1824 extern const struct cmd_entry cmd_set_window_option_entry;
1825 extern const struct cmd_entry cmd_show_buffer_entry;
1826 extern const struct cmd_entry cmd_show_environment_entry;
1827 extern const struct cmd_entry cmd_show_messages_entry;
1828 extern const struct cmd_entry cmd_show_options_entry;
1829 extern const struct cmd_entry cmd_show_window_options_entry;
1830 extern const struct cmd_entry cmd_source_file_entry;
1831 extern const struct cmd_entry cmd_split_window_entry;
1832 extern const struct cmd_entry cmd_start_server_entry;
1833 extern const struct cmd_entry cmd_suspend_client_entry;
1834 extern const struct cmd_entry cmd_swap_pane_entry;
1835 extern const struct cmd_entry cmd_swap_window_entry;
1836 extern const struct cmd_entry cmd_switch_client_entry;
1837 extern const struct cmd_entry cmd_unbind_key_entry;
1838 extern const struct cmd_entry cmd_unlink_window_entry;
1839 extern const struct cmd_entry cmd_up_pane_entry;
1840 extern const struct cmd_entry cmd_wait_for_entry;
1841 
1842 /* cmd-attach-session.c */
1843 enum cmd_retval	 cmd_attach_session(struct cmd_q *, const char *, int, int,
1844 		     const char *);
1845 
1846 /* cmd-list.c */
1847 struct cmd_list	*cmd_list_parse(int, char **, const char *, u_int, char **);
1848 void		 cmd_list_free(struct cmd_list *);
1849 size_t		 cmd_list_print(struct cmd_list *, char *, size_t);
1850 
1851 /* cmd-queue.c */
1852 struct cmd_q	*cmdq_new(struct client *);
1853 int		 cmdq_free(struct cmd_q *);
1854 void printflike2 cmdq_print(struct cmd_q *, const char *, ...);
1855 void printflike2 cmdq_info(struct cmd_q *, const char *, ...);
1856 void printflike2 cmdq_error(struct cmd_q *, const char *, ...);
1857 int		 cmdq_guard(struct cmd_q *, const char *, int);
1858 void		 cmdq_run(struct cmd_q *, struct cmd_list *);
1859 void		 cmdq_append(struct cmd_q *, struct cmd_list *);
1860 int		 cmdq_continue(struct cmd_q *);
1861 void		 cmdq_flush(struct cmd_q *);
1862 
1863 /* cmd-string.c */
1864 int	cmd_string_parse(const char *, struct cmd_list **, const char *,
1865 	    u_int, char **);
1866 
1867 /* client.c */
1868 int	client_main(int, char **, int);
1869 
1870 /* key-bindings.c */
1871 extern struct key_bindings key_bindings;
1872 int	 key_bindings_cmp(struct key_binding *, struct key_binding *);
1873 RB_PROTOTYPE(key_bindings, key_binding, entry, key_bindings_cmp);
1874 struct key_binding *key_bindings_lookup(int);
1875 void	 key_bindings_add(int, int, struct cmd_list *);
1876 void	 key_bindings_remove(int);
1877 void	 key_bindings_clean(void);
1878 void	 key_bindings_init(void);
1879 void	 key_bindings_dispatch(struct key_binding *, struct client *);
1880 
1881 /* key-string.c */
1882 int	 key_string_lookup_string(const char *);
1883 const char *key_string_lookup_key(int);
1884 
1885 /* server.c */
1886 extern struct clients clients;
1887 extern struct clients dead_clients;
1888 extern struct paste_stack global_buffers;
1889 int	 server_start(int, char *);
1890 void	 server_update_socket(void);
1891 void	 server_add_accept(int);
1892 
1893 /* server-client.c */
1894 void	 server_client_handle_key(struct client *, int);
1895 void	 server_client_create(int);
1896 int      server_client_open(struct client *, char **);
1897 void	 server_client_lost(struct client *);
1898 void	 server_client_callback(int, short, void *);
1899 void	 server_client_status_timer(void);
1900 void	 server_client_loop(void);
1901 
1902 /* server-window.c */
1903 void	 server_window_loop(void);
1904 
1905 /* server-fn.c */
1906 void	 server_fill_environ(struct session *, struct environ *);
1907 void	 server_write_ready(struct client *);
1908 int	 server_write_client(struct client *, enum msgtype, const void *,
1909 	     size_t);
1910 void	 server_write_session(struct session *, enum msgtype, const void *,
1911 	     size_t);
1912 void	 server_redraw_client(struct client *);
1913 void	 server_status_client(struct client *);
1914 void	 server_redraw_session(struct session *);
1915 void	 server_redraw_session_group(struct session *);
1916 void	 server_status_session(struct session *);
1917 void	 server_status_session_group(struct session *);
1918 void	 server_redraw_window(struct window *);
1919 void	 server_redraw_window_borders(struct window *);
1920 void	 server_status_window(struct window *);
1921 void	 server_lock(void);
1922 void	 server_lock_session(struct session *);
1923 void	 server_lock_client(struct client *);
1924 int	 server_unlock(const char *);
1925 void	 server_kill_window(struct window *);
1926 int	 server_link_window(struct session *,
1927 	     struct winlink *, struct session *, int, int, int, char **);
1928 void	 server_unlink_window(struct session *, struct winlink *);
1929 void	 server_destroy_pane(struct window_pane *);
1930 void	 server_destroy_session_group(struct session *);
1931 void	 server_destroy_session(struct session *);
1932 void	 server_check_unattached(void);
1933 void	 server_set_identify(struct client *);
1934 void	 server_clear_identify(struct client *);
1935 void	 server_update_event(struct client *);
1936 void	 server_push_stdout(struct client *);
1937 void	 server_push_stderr(struct client *);
1938 int	 server_set_stdin_callback(struct client *, void (*)(struct client *,
1939 	     int, void *), void *, char **);
1940 void	 server_unzoom_window(struct window *);
1941 
1942 /* status.c */
1943 int	 status_out_cmp(struct status_out *, struct status_out *);
1944 RB_PROTOTYPE(status_out_tree, status_out, entry, status_out_cmp);
1945 int	 status_at_line(struct client *);
1946 void	 status_free_jobs(struct status_out_tree *);
1947 void	 status_update_jobs(struct client *);
1948 void	 status_set_window_at(struct client *, u_int);
1949 int	 status_redraw(struct client *);
1950 char	*status_replace(struct client *, struct session *,
1951 	     struct winlink *, struct window_pane *, const char *, time_t, int);
1952 void printflike2 status_message_set(struct client *, const char *, ...);
1953 void	 status_message_clear(struct client *);
1954 int	 status_message_redraw(struct client *);
1955 void	 status_prompt_set(struct client *, const char *, const char *,
1956 	     int (*)(void *, const char *), void (*)(void *), void *, int);
1957 void	 status_prompt_clear(struct client *);
1958 int	 status_prompt_redraw(struct client *);
1959 void	 status_prompt_key(struct client *, int);
1960 void	 status_prompt_update(struct client *, const char *, const char *);
1961 
1962 /* resize.c */
1963 void	 recalculate_sizes(void);
1964 
1965 /* input.c */
1966 void	 input_init(struct window_pane *);
1967 void	 input_free(struct window_pane *);
1968 void	 input_parse(struct window_pane *);
1969 
1970 /* input-key.c */
1971 void	 input_key(struct window_pane *, int);
1972 void	 input_mouse(struct window_pane *, struct session *,
1973 	     struct mouse_event *);
1974 
1975 /* xterm-keys.c */
1976 char	*xterm_keys_lookup(int);
1977 int	 xterm_keys_find(const char *, size_t, size_t *, int *);
1978 
1979 /* colour.c */
1980 void	 colour_set_fg(struct grid_cell *, int);
1981 void	 colour_set_bg(struct grid_cell *, int);
1982 const char *colour_tostring(int);
1983 int	 colour_fromstring(const char *);
1984 u_char	 colour_256to16(u_char);
1985 
1986 /* attributes.c */
1987 const char *attributes_tostring(u_char);
1988 int	 attributes_fromstring(const char *);
1989 
1990 /* grid.c */
1991 extern const struct grid_cell grid_default_cell;
1992 extern const struct grid_cell grid_marker_cell;
1993 struct grid *grid_create(u_int, u_int, u_int);
1994 void	 grid_destroy(struct grid *);
1995 int	 grid_compare(struct grid *, struct grid *);
1996 void	 grid_collect_history(struct grid *);
1997 void	 grid_scroll_history(struct grid *);
1998 void	 grid_scroll_history_region(struct grid *, u_int, u_int);
1999 void	 grid_expand_line(struct grid *, u_int, u_int);
2000 const struct grid_cell *grid_peek_cell(struct grid *, u_int, u_int);
2001 const struct grid_line *grid_peek_line(struct grid *, u_int);
2002 struct grid_cell *grid_get_cell(struct grid *, u_int, u_int);
2003 void	 grid_set_cell(struct grid *, u_int, u_int, const struct grid_cell *);
2004 void	 grid_clear(struct grid *, u_int, u_int, u_int, u_int);
2005 void	 grid_clear_lines(struct grid *, u_int, u_int);
2006 void	 grid_move_lines(struct grid *, u_int, u_int, u_int);
2007 void	 grid_move_cells(struct grid *, u_int, u_int, u_int, u_int);
2008 char	*grid_string_cells(struct grid *, u_int, u_int, u_int,
2009 	     struct grid_cell **, int, int, int);
2010 void	 grid_duplicate_lines(
2011 	     struct grid *, u_int, struct grid *, u_int, u_int);
2012 u_int	 grid_reflow(struct grid *, struct grid *, u_int);
2013 
2014 /* grid-cell.c */
2015 u_int	 grid_cell_width(const struct grid_cell *);
2016 void	 grid_cell_get(const struct grid_cell *, struct utf8_data *);
2017 void	 grid_cell_set(struct grid_cell *, const struct utf8_data *);
2018 void	 grid_cell_one(struct grid_cell *, u_char);
2019 
2020 /* grid-view.c */
2021 const struct grid_cell *grid_view_peek_cell(struct grid *, u_int, u_int);
2022 struct grid_cell *grid_view_get_cell(struct grid *, u_int, u_int);
2023 void	 grid_view_set_cell(
2024 	     struct grid *, u_int, u_int, const struct grid_cell *);
2025 void	 grid_view_clear_history(struct grid *);
2026 void	 grid_view_clear(struct grid *, u_int, u_int, u_int, u_int);
2027 void	 grid_view_scroll_region_up(struct grid *, u_int, u_int);
2028 void	 grid_view_scroll_region_down(struct grid *, u_int, u_int);
2029 void	 grid_view_insert_lines(struct grid *, u_int, u_int);
2030 void	 grid_view_insert_lines_region(struct grid *, u_int, u_int, u_int);
2031 void	 grid_view_delete_lines(struct grid *, u_int, u_int);
2032 void	 grid_view_delete_lines_region(struct grid *, u_int, u_int, u_int);
2033 void	 grid_view_insert_cells(struct grid *, u_int, u_int, u_int);
2034 void	 grid_view_delete_cells(struct grid *, u_int, u_int, u_int);
2035 char	*grid_view_string_cells(struct grid *, u_int, u_int, u_int);
2036 
2037 /* screen-write.c */
2038 void	 screen_write_start(
2039 	     struct screen_write_ctx *, struct window_pane *, struct screen *);
2040 void	 screen_write_stop(struct screen_write_ctx *);
2041 void	 screen_write_reset(struct screen_write_ctx *);
2042 size_t printflike2 screen_write_cstrlen(int, const char *, ...);
2043 void printflike5 screen_write_cnputs(struct screen_write_ctx *,
2044 	     ssize_t, struct grid_cell *, int, const char *, ...);
2045 size_t printflike2 screen_write_strlen(int, const char *, ...);
2046 void printflike3 screen_write_puts(struct screen_write_ctx *,
2047 	     struct grid_cell *, const char *, ...);
2048 void printflike5 screen_write_nputs(struct screen_write_ctx *,
2049 	     ssize_t, struct grid_cell *, int, const char *, ...);
2050 void	 screen_write_vnputs(struct screen_write_ctx *,
2051 	     ssize_t, struct grid_cell *, int, const char *, va_list);
2052 void	 screen_write_putc(
2053 	     struct screen_write_ctx *, struct grid_cell *, u_char);
2054 void	 screen_write_copy(struct screen_write_ctx *,
2055 	     struct screen *, u_int, u_int, u_int, u_int);
2056 void	 screen_write_backspace(struct screen_write_ctx *);
2057 void	 screen_write_mode_set(struct screen_write_ctx *, int);
2058 void	 screen_write_mode_clear(struct screen_write_ctx *, int);
2059 void	 screen_write_cursorup(struct screen_write_ctx *, u_int);
2060 void	 screen_write_cursordown(struct screen_write_ctx *, u_int);
2061 void	 screen_write_cursorright(struct screen_write_ctx *, u_int);
2062 void	 screen_write_cursorleft(struct screen_write_ctx *, u_int);
2063 void	 screen_write_alignmenttest(struct screen_write_ctx *);
2064 void	 screen_write_insertcharacter(struct screen_write_ctx *, u_int);
2065 void	 screen_write_deletecharacter(struct screen_write_ctx *, u_int);
2066 void	 screen_write_clearcharacter(struct screen_write_ctx *, u_int);
2067 void	 screen_write_insertline(struct screen_write_ctx *, u_int);
2068 void	 screen_write_deleteline(struct screen_write_ctx *, u_int);
2069 void	 screen_write_clearline(struct screen_write_ctx *);
2070 void	 screen_write_clearendofline(struct screen_write_ctx *);
2071 void	 screen_write_clearstartofline(struct screen_write_ctx *);
2072 void	 screen_write_cursormove(struct screen_write_ctx *, u_int, u_int);
2073 void	 screen_write_reverseindex(struct screen_write_ctx *);
2074 void	 screen_write_scrollregion(struct screen_write_ctx *, u_int, u_int);
2075 void	 screen_write_linefeed(struct screen_write_ctx *, int);
2076 void	 screen_write_linefeedscreen(struct screen_write_ctx *, int);
2077 void	 screen_write_carriagereturn(struct screen_write_ctx *);
2078 void	 screen_write_clearendofscreen(struct screen_write_ctx *);
2079 void	 screen_write_clearstartofscreen(struct screen_write_ctx *);
2080 void	 screen_write_clearscreen(struct screen_write_ctx *);
2081 void	 screen_write_clearhistory(struct screen_write_ctx *);
2082 void	 screen_write_cell(struct screen_write_ctx *, const struct grid_cell *);
2083 void	 screen_write_setselection(struct screen_write_ctx *, u_char *, u_int);
2084 void	 screen_write_rawstring(struct screen_write_ctx *, u_char *, u_int);
2085 
2086 /* screen-redraw.c */
2087 void	 screen_redraw_screen(struct client *, int, int, int);
2088 void	 screen_redraw_pane(struct client *, struct window_pane *);
2089 
2090 /* screen.c */
2091 void	 screen_init(struct screen *, u_int, u_int, u_int);
2092 void	 screen_reinit(struct screen *);
2093 void	 screen_free(struct screen *);
2094 void	 screen_reset_tabs(struct screen *);
2095 void	 screen_set_cursor_style(struct screen *, u_int);
2096 void	 screen_set_cursor_colour(struct screen *, const char *);
2097 void	 screen_set_title(struct screen *, const char *);
2098 void	 screen_resize(struct screen *, u_int, u_int, int);
2099 void	 screen_set_selection(struct screen *,
2100 	     u_int, u_int, u_int, u_int, u_int, struct grid_cell *);
2101 void	 screen_clear_selection(struct screen *);
2102 int	 screen_check_selection(struct screen *, u_int, u_int);
2103 void	 screen_reflow(struct screen *, u_int);
2104 
2105 /* window.c */
2106 extern struct windows windows;
2107 extern struct window_pane_tree all_window_panes;
2108 int		 winlink_cmp(struct winlink *, struct winlink *);
2109 RB_PROTOTYPE(winlinks, winlink, entry, winlink_cmp);
2110 int		 window_pane_cmp(struct window_pane *, struct window_pane *);
2111 RB_PROTOTYPE(window_pane_tree, window_pane, tree_entry, window_pane_cmp);
2112 struct winlink	*winlink_find_by_index(struct winlinks *, int);
2113 struct winlink	*winlink_find_by_window(struct winlinks *, struct window *);
2114 struct winlink	*winlink_find_by_window_id(struct winlinks *, u_int);
2115 int		 winlink_next_index(struct winlinks *, int);
2116 u_int		 winlink_count(struct winlinks *);
2117 struct winlink	*winlink_add(struct winlinks *, int);
2118 void		 winlink_set_window(struct winlink *, struct window *);
2119 void		 winlink_remove(struct winlinks *, struct winlink *);
2120 struct winlink	*winlink_next(struct winlink *);
2121 struct winlink	*winlink_previous(struct winlink *);
2122 struct winlink	*winlink_next_by_number(struct winlink *, struct session *,
2123 		     int);
2124 struct winlink	*winlink_previous_by_number(struct winlink *, struct session *,
2125 		     int);
2126 void		 winlink_stack_push(struct winlink_stack *, struct winlink *);
2127 void		 winlink_stack_remove(struct winlink_stack *, struct winlink *);
2128 int		 window_index(struct window *, u_int *);
2129 struct window	*window_find_by_id(u_int);
2130 struct window	*window_create1(u_int, u_int);
2131 struct window	*window_create(const char *, const char *, const char *, int,
2132 		     struct environ *, struct termios *, u_int, u_int, u_int,
2133 		     char **);
2134 void		 window_destroy(struct window *);
2135 struct window_pane *window_get_active_at(struct window *, u_int, u_int);
2136 void		 window_set_active_at(struct window *, u_int, u_int);
2137 struct window_pane *window_find_string(struct window *, const char *);
2138 void		 window_set_active_pane(struct window *, struct window_pane *);
2139 struct window_pane *window_add_pane(struct window *, u_int);
2140 void		 window_resize(struct window *, u_int, u_int);
2141 int		 window_zoom(struct window_pane *);
2142 int		 window_unzoom(struct window *);
2143 void		 window_remove_pane(struct window *, struct window_pane *);
2144 struct window_pane *window_pane_at_index(struct window *, u_int);
2145 struct window_pane *window_pane_next_by_number(struct window *,
2146 		        struct window_pane *, u_int);
2147 struct window_pane *window_pane_previous_by_number(struct window *,
2148 		        struct window_pane *, u_int);
2149 int		 window_pane_index(struct window_pane *, u_int *);
2150 u_int		 window_count_panes(struct window *);
2151 void		 window_destroy_panes(struct window *);
2152 struct window_pane *window_pane_find_by_id(u_int);
2153 struct window_pane *window_pane_create(struct window *, u_int, u_int, u_int);
2154 void		 window_pane_destroy(struct window_pane *);
2155 void		 window_pane_timer_start(struct window_pane *);
2156 int		 window_pane_spawn(struct window_pane *, const char *,
2157 		     const char *, int, struct environ *, struct termios *,
2158 		     char **);
2159 void		 window_pane_resize(struct window_pane *, u_int, u_int);
2160 void		 window_pane_alternate_on(struct window_pane *,
2161 		     struct grid_cell *, int);
2162 void		 window_pane_alternate_off(struct window_pane *,
2163 		     struct grid_cell *, int);
2164 int		 window_pane_set_mode(
2165 		     struct window_pane *, const struct window_mode *);
2166 void		 window_pane_reset_mode(struct window_pane *);
2167 void		 window_pane_key(struct window_pane *, struct session *, int);
2168 void		 window_pane_mouse(struct window_pane *,
2169 		     struct session *, struct mouse_event *);
2170 int		 window_pane_visible(struct window_pane *);
2171 char		*window_pane_search(
2172 		     struct window_pane *, const char *, u_int *);
2173 char		*window_printable_flags(struct session *, struct winlink *);
2174 struct window_pane *window_pane_find_up(struct window_pane *);
2175 struct window_pane *window_pane_find_down(struct window_pane *);
2176 struct window_pane *window_pane_find_left(struct window_pane *);
2177 struct window_pane *window_pane_find_right(struct window_pane *);
2178 void		 window_set_name(struct window *, const char *);
2179 void		 window_remove_ref(struct window *);
2180 void		 winlink_clear_flags(struct winlink *);
2181 
2182 /* layout.c */
2183 u_int		 layout_count_cells(struct layout_cell *);
2184 struct layout_cell *layout_create_cell(struct layout_cell *);
2185 void		 layout_free_cell(struct layout_cell *);
2186 void		 layout_print_cell(struct layout_cell *, const char *, u_int);
2187 void		 layout_destroy_cell(struct layout_cell *, struct layout_cell **);
2188 void		 layout_set_size(
2189 		     struct layout_cell *, u_int, u_int, u_int, u_int);
2190 void		 layout_make_leaf(
2191 		     struct layout_cell *, struct window_pane *);
2192 void		 layout_make_node(struct layout_cell *, enum layout_type);
2193 void		 layout_fix_offsets(struct layout_cell *);
2194 void		 layout_fix_panes(struct window *, u_int, u_int);
2195 u_int		 layout_resize_check(struct layout_cell *, enum layout_type);
2196 void		 layout_resize_adjust(
2197 		     struct layout_cell *, enum layout_type, int);
2198 void		 layout_init(struct window *, struct window_pane *);
2199 void		 layout_free(struct window *);
2200 void		 layout_resize(struct window *, u_int, u_int);
2201 void		 layout_resize_pane(struct window_pane *, enum layout_type,
2202 		     int);
2203 void		 layout_resize_pane_to(struct window_pane *, enum layout_type,
2204 		     u_int);
2205 void		 layout_resize_pane_mouse(struct client *);
2206 void		 layout_assign_pane(struct layout_cell *, struct window_pane *);
2207 struct layout_cell *layout_split_pane(
2208 		     struct window_pane *, enum layout_type, int, int);
2209 void		 layout_close_pane(struct window_pane *);
2210 
2211 /* layout-custom.c */
2212 char		*layout_dump(struct window *);
2213 int		 layout_parse(struct window *, const char *);
2214 
2215 /* layout-set.c */
2216 const char	*layout_set_name(u_int);
2217 int		 layout_set_lookup(const char *);
2218 u_int		 layout_set_select(struct window *, u_int);
2219 u_int		 layout_set_next(struct window *);
2220 u_int		 layout_set_previous(struct window *);
2221 void		 layout_set_active_changed(struct window *);
2222 
2223 /* window-clock.c */
2224 extern const struct window_mode window_clock_mode;
2225 
2226 /* window-copy.c */
2227 extern const struct window_mode window_copy_mode;
2228 void		 window_copy_init_from_pane(struct window_pane *);
2229 void		 window_copy_init_for_output(struct window_pane *);
2230 void printflike2 window_copy_add(struct window_pane *, const char *, ...);
2231 void		 window_copy_vadd(struct window_pane *, const char *, va_list);
2232 void		 window_copy_pageup(struct window_pane *);
2233 
2234 /* window-choose.c */
2235 extern const struct window_mode window_choose_mode;
2236 void		 window_choose_add(struct window_pane *,
2237 			 struct window_choose_data *);
2238 void		 window_choose_ready(struct window_pane *,
2239 		     u_int, void (*)(struct window_choose_data *));
2240 struct window_choose_data	*window_choose_data_create (int,
2241 		     struct client *, struct session *);
2242 void	window_choose_data_free(struct window_choose_data *);
2243 void	window_choose_data_run(struct window_choose_data *);
2244 struct window_choose_data	*window_choose_add_window(struct window_pane *,
2245 			struct client *, struct session *, struct winlink *,
2246 			const char *, const char *, u_int);
2247 struct window_choose_data	*window_choose_add_session(struct window_pane *,
2248 			struct client *, struct session *, const char *,
2249 			const char *, u_int);
2250 struct window_choose_data	*window_choose_add_item(struct window_pane *,
2251 			struct client *, struct winlink *, const char *,
2252 			const char *, u_int);
2253 void	window_choose_expand_all(struct window_pane *);
2254 void	window_choose_collapse_all(struct window_pane *);
2255 void	window_choose_set_current(struct window_pane *, u_int);
2256 
2257 /* names.c */
2258 void	 queue_window_name(struct window *);
2259 char	*default_window_name(struct window *);
2260 char	*format_window_name(struct window *);
2261 char	*parse_window_name(const char *);
2262 
2263 /* signal.c */
2264 void	set_signals(void(*)(int, short, void *));
2265 void	clear_signals(int);
2266 
2267 /* control.c */
2268 void	control_callback(struct client *, int, void*);
2269 void printflike2 control_write(struct client *, const char *, ...);
2270 void	control_write_buffer(struct client *, struct evbuffer *);
2271 
2272 /* control-notify.c */
2273 void	control_notify_input(struct client *, struct window_pane *,
2274 	    struct evbuffer *);
2275 void	control_notify_window_layout_changed(struct window *);
2276 void	control_notify_window_unlinked(struct session *, struct window *);
2277 void	control_notify_window_linked(struct session *, struct window *);
2278 void	control_notify_window_renamed(struct window *);
2279 void	control_notify_attached_session_changed(struct client *);
2280 void	control_notify_session_renamed(struct session *);
2281 void	control_notify_session_created(struct session *);
2282 void	control_notify_session_close(struct session *);
2283 
2284 /* session.c */
2285 extern struct sessions sessions;
2286 extern struct sessions dead_sessions;
2287 extern struct session_groups session_groups;
2288 int	session_cmp(struct session *, struct session *);
2289 RB_PROTOTYPE(sessions, session, entry, session_cmp);
2290 int		 session_alive(struct session *);
2291 struct session	*session_find(const char *);
2292 struct session	*session_find_by_id(u_int);
2293 struct session	*session_create(const char *, const char *, int,
2294 		     struct environ *, struct termios *, int, u_int, u_int,
2295 		     char **);
2296 void		 session_destroy(struct session *);
2297 int		 session_check_name(const char *);
2298 void		 session_update_activity(struct session *);
2299 struct session	*session_next_session(struct session *);
2300 struct session	*session_previous_session(struct session *);
2301 struct winlink	*session_new(struct session *, const char *, const char *, int,
2302 		     int, char **);
2303 struct winlink	*session_attach(
2304 		     struct session *, struct window *, int, char **);
2305 int		 session_detach(struct session *, struct winlink *);
2306 struct winlink*	 session_has(struct session *, struct window *);
2307 int		 session_next(struct session *, int);
2308 int		 session_previous(struct session *, int);
2309 int		 session_select(struct session *, int);
2310 int		 session_last(struct session *);
2311 int		 session_set_current(struct session *, struct winlink *);
2312 struct session_group *session_group_find(struct session *);
2313 u_int		 session_group_index(struct session_group *);
2314 void		 session_group_add(struct session *, struct session *);
2315 void		 session_group_remove(struct session *);
2316 void		 session_group_synchronize_to(struct session *);
2317 void		 session_group_synchronize_from(struct session *);
2318 void		 session_group_synchronize1(struct session *, struct session *);
2319 void		 session_renumber_windows(struct session *);
2320 
2321 /* utf8.c */
2322 void	utf8_build(void);
2323 int	utf8_open(struct utf8_data *, u_char);
2324 int	utf8_append(struct utf8_data *, u_char);
2325 u_int	utf8_combine(const struct utf8_data *);
2326 u_int	utf8_split2(u_int, u_char *);
2327 
2328 /* procname.c */
2329 char   *get_proc_name(int, char *);
2330 
2331 /* log.c */
2332 void		 log_open(int, const char *);
2333 void		 log_close(void);
2334 void printflike1 log_warn(const char *, ...);
2335 void printflike1 log_warnx(const char *, ...);
2336 void printflike1 log_info(const char *, ...);
2337 void printflike1 log_debug(const char *, ...);
2338 void printflike1 log_debug2(const char *, ...);
2339 __dead void printflike1 log_fatal(const char *, ...);
2340 __dead void printflike1 log_fatalx(const char *, ...);
2341 
2342 /* xmalloc.c */
2343 char		*xstrdup(const char *);
2344 void		*xcalloc(size_t, size_t);
2345 void		*xmalloc(size_t);
2346 void		*xrealloc(void *, size_t, size_t);
2347 int printflike2	 xasprintf(char **, const char *, ...);
2348 int		 xvasprintf(char **, const char *, va_list);
2349 int printflike3	 xsnprintf(char *, size_t, const char *, ...);
2350 int		 xvsnprintf(char *, size_t, const char *, va_list);
2351 
2352 /* style.c */
2353 int		 style_parse(const struct grid_cell *,
2354 		     struct grid_cell *, const char *);
2355 const char	*style_tostring(struct grid_cell *);
2356 void		 style_update_new(struct options *, const char *, const char *);
2357 void		 style_update_old(struct options *, const char *,
2358 		     struct grid_cell *);
2359 void	style_apply(struct grid_cell *, struct options *, const char *);
2360 void	style_apply_update(struct grid_cell *, struct options *, const char *);
2361 
2362 #endif /* TMUX_H */
2363