xref: /minix3/external/bsd/tmux/dist/tmux.h (revision b80da2a01d0bb632707b7b4e974aa32eaebbcc6f)
1 /* $Id: tmux.h,v 1.3 2011/09/17 01:50:08 christos 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 6
23 
24 #include <sys/param.h>
25 #include <sys/time.h>
26 #include <sys/uio.h>
27 
28 #include <event.h>
29 #include <limits.h>
30 #include <signal.h>
31 #include <stdarg.h>
32 #include <stdio.h>
33 #include <termios.h>
34 
35 #include "array.h"
36 
37 #include "compat.h"
38 
39 extern char    *__progname;
40 extern char   **environ;
41 
42 /* Default configuration files. */
43 #define DEFAULT_CFG ".tmux.conf"
44 #define SYSTEM_CFG "/etc/tmux.conf"
45 
46 /* Default prompt history length. */
47 #define PROMPT_HISTORY 100
48 
49 /*
50  * Minimum layout cell size, NOT including separator line. The scroll region
51  * cannot be one line in height so this must be at least two.
52  */
53 #define PANE_MINIMUM 2
54 
55 /* Automatic name refresh interval, in milliseconds. */
56 #define NAME_INTERVAL 500
57 
58 /* Maximum data to buffer for output before suspending writing to a tty. */
59 #define BACKOFF_THRESHOLD 16384
60 
61 /*
62  * Maximum sizes of strings in message data. Don't forget to bump
63  * PROTOCOL_VERSION if any of these change!
64  */
65 #define COMMAND_LENGTH 2048	/* packed argv size */
66 #define TERMINAL_LENGTH 128	/* length of TERM environment variable */
67 #define ENVIRON_LENGTH 1024	/* environment variable length */
68 
69 /*
70  * UTF-8 data size. This must be big enough to hold combined characters as well
71  * as single.
72  */
73 #define UTF8_SIZE 9
74 
75 /* Fatal errors. */
76 #define fatal(msg) log_fatal("%s: %s", __func__, msg);
77 #define fatalx(msg) log_fatalx("%s: %s", __func__, msg);
78 
79 /* Definition to shut gcc up about unused arguments. */
80 #define unused __attribute__ ((unused))
81 
82 /* Attribute to make gcc check printf-like arguments. */
83 #define printflike1 __attribute__ ((format (printf, 1, 2)))
84 #define printflike2 __attribute__ ((format (printf, 2, 3)))
85 #define printflike3 __attribute__ ((format (printf, 3, 4)))
86 #define printflike4 __attribute__ ((format (printf, 4, 5)))
87 #define printflike5 __attribute__ ((format (printf, 5, 6)))
88 
89 /* Number of items in array. */
90 #ifndef nitems
91 #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
92 #endif
93 
94 /* Bell option values. */
95 #define BELL_NONE 0
96 #define BELL_ANY 1
97 #define BELL_CURRENT 2
98 
99 /* Special key codes. */
100 #define KEYC_NONE 0xfff
101 #define KEYC_BASE 0x1000
102 
103 /* Key modifier bits. */
104 #define KEYC_ESCAPE 0x2000
105 #define KEYC_CTRL 0x4000
106 #define KEYC_SHIFT 0x8000
107 #define KEYC_PREFIX 0x10000
108 
109 /* Mask to obtain key w/o modifiers. */
110 #define KEYC_MASK_MOD (KEYC_ESCAPE|KEYC_CTRL|KEYC_SHIFT|KEYC_PREFIX)
111 #define KEYC_MASK_KEY (~KEYC_MASK_MOD)
112 
113 /* Other key codes. */
114 enum key_code {
115 	/* Mouse key. */
116 	KEYC_MOUSE = KEYC_BASE,
117 
118 	/* Backspace key. */
119 	KEYC_BSPACE,
120 
121 	/* Function keys. */
122 	KEYC_F1,
123 	KEYC_F2,
124 	KEYC_F3,
125 	KEYC_F4,
126 	KEYC_F5,
127 	KEYC_F6,
128 	KEYC_F7,
129 	KEYC_F8,
130 	KEYC_F9,
131 	KEYC_F10,
132 	KEYC_F11,
133 	KEYC_F12,
134 	KEYC_F13,
135 	KEYC_F14,
136 	KEYC_F15,
137 	KEYC_F16,
138 	KEYC_F17,
139 	KEYC_F18,
140 	KEYC_F19,
141 	KEYC_F20,
142 	KEYC_IC,
143 	KEYC_DC,
144 	KEYC_HOME,
145 	KEYC_END,
146 	KEYC_NPAGE,
147 	KEYC_PPAGE,
148 	KEYC_BTAB,
149 
150 	/* Arrow keys. */
151 	KEYC_UP,
152 	KEYC_DOWN,
153 	KEYC_LEFT,
154 	KEYC_RIGHT,
155 
156 	/* Numeric keypad. */
157 	KEYC_KP_SLASH,
158 	KEYC_KP_STAR,
159 	KEYC_KP_MINUS,
160 	KEYC_KP_SEVEN,
161 	KEYC_KP_EIGHT,
162 	KEYC_KP_NINE,
163 	KEYC_KP_PLUS,
164 	KEYC_KP_FOUR,
165 	KEYC_KP_FIVE,
166 	KEYC_KP_SIX,
167 	KEYC_KP_ONE,
168 	KEYC_KP_TWO,
169 	KEYC_KP_THREE,
170 	KEYC_KP_ENTER,
171 	KEYC_KP_ZERO,
172 	KEYC_KP_PERIOD,
173 };
174 
175 /* Termcap codes. */
176 enum tty_code_code {
177 	TTYC_AX = 0,
178 	TTYC_ACSC,	/* acs_chars, ac */
179 	TTYC_BEL,	/* bell, bl */
180 	TTYC_BLINK,	/* enter_blink_mode, mb */
181 	TTYC_BOLD,	/* enter_bold_mode, md */
182 	TTYC_CC,	/* set colour cursor, Cc */
183 	TTYC_CIVIS,	/* cursor_invisible, vi */
184 	TTYC_CLEAR,	/* clear_screen, cl */
185 	TTYC_CNORM,	/* cursor_normal, ve */
186 	TTYC_COLORS,	/* max_colors, Co */
187 	TTYC_CR,	/* restore cursor colour, Cr */
188 	TTYC_CS1,	/* set cursor style, Cs */
189 	TTYC_CSR,	/* change_scroll_region, cs */
190 	TTYC_CSR1,	/* reset cursor style, Csr */
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_FSL,	/* from_status_line, fsl */
209 	TTYC_HOME,	/* cursor_home, ho */
210 	TTYC_HPA,	/* column_address, ch */
211 	TTYC_ICH,	/* parm_ich, IC */
212 	TTYC_ICH1,	/* insert_character, ic */
213 	TTYC_IL,	/* parm_insert_line, IL */
214 	TTYC_IL1,	/* insert_line, il */
215 	TTYC_INVIS,	/* enter_secure_mode, mk */
216 	TTYC_IS1,	/* init_1string, i1 */
217 	TTYC_IS2,	/* init_2string, i2 */
218 	TTYC_IS3,	/* init_3string, i3 */
219 	TTYC_KCBT,	/* key_btab, kB */
220 	TTYC_KCUB1,	/* key_left, kl */
221 	TTYC_KCUD1,	/* key_down, kd */
222 	TTYC_KCUF1,	/* key_right, kr */
223 	TTYC_KCUU1,	/* key_up, ku */
224 	TTYC_KDC2,
225 	TTYC_KDC3,
226 	TTYC_KDC4,
227 	TTYC_KDC5,
228 	TTYC_KDC6,
229 	TTYC_KDC7,
230 	TTYC_KDCH1,	/* key_dc, kD */
231 	TTYC_KDN2,
232 	TTYC_KDN3,
233 	TTYC_KDN4,
234 	TTYC_KDN5,
235 	TTYC_KDN6,
236 	TTYC_KDN7,
237 	TTYC_KEND,	/* key_end, ke */
238 	TTYC_KEND2,
239 	TTYC_KEND3,
240 	TTYC_KEND4,
241 	TTYC_KEND5,
242 	TTYC_KEND6,
243 	TTYC_KEND7,
244 	TTYC_KF1,	/* key_f1, k1 */
245 	TTYC_KF10,	/* key_f10, k; */
246 	TTYC_KF11,	/* key_f11, F1 */
247 	TTYC_KF12,	/* key_f12, F2 */
248 	TTYC_KF13,	/* key_f13, F3 */
249 	TTYC_KF14,	/* key_f14, F4 */
250 	TTYC_KF15,	/* key_f15, F5 */
251 	TTYC_KF16,	/* key_f16, F6 */
252 	TTYC_KF17,	/* key_f17, F7 */
253 	TTYC_KF18,	/* key_f18, F8 */
254 	TTYC_KF19,	/* key_f19, F9 */
255 	TTYC_KF2,	/* key_f2, k2 */
256 	TTYC_KF20,	/* key_f20, F10 */
257 	TTYC_KF3,	/* key_f3, k3 */
258 	TTYC_KF4,	/* key_f4, k4 */
259 	TTYC_KF5,	/* key_f5, k5 */
260 	TTYC_KF6,	/* key_f6, k6 */
261 	TTYC_KF7,	/* key_f7, k7 */
262 	TTYC_KF8,	/* key_f8, k8 */
263 	TTYC_KF9,	/* key_f9, k9 */
264 	TTYC_KHOM2,
265 	TTYC_KHOM3,
266 	TTYC_KHOM4,
267 	TTYC_KHOM5,
268 	TTYC_KHOM6,
269 	TTYC_KHOM7,
270 	TTYC_KHOME,	/* key_home, kh */
271 	TTYC_KIC2,
272 	TTYC_KIC3,
273 	TTYC_KIC4,
274 	TTYC_KIC5,
275 	TTYC_KIC6,
276 	TTYC_KIC7,
277 	TTYC_KICH1,	/* key_ic, kI */
278 	TTYC_KLFT2,
279 	TTYC_KLFT3,
280 	TTYC_KLFT4,
281 	TTYC_KLFT5,
282 	TTYC_KLFT6,
283 	TTYC_KLFT7,
284 	TTYC_KMOUS,	/* key_mouse, Km */
285 	TTYC_KNP,	/* key_npage, kN */
286 	TTYC_KNXT2,
287 	TTYC_KNXT3,
288 	TTYC_KNXT4,
289 	TTYC_KNXT5,
290 	TTYC_KNXT6,
291 	TTYC_KNXT7,
292 	TTYC_KPP,	/* key_ppage, kP */
293 	TTYC_KPRV2,
294 	TTYC_KPRV3,
295 	TTYC_KPRV4,
296 	TTYC_KPRV5,
297 	TTYC_KPRV6,
298 	TTYC_KPRV7,
299 	TTYC_KRIT2,
300 	TTYC_KRIT3,
301 	TTYC_KRIT4,
302 	TTYC_KRIT5,
303 	TTYC_KRIT6,
304 	TTYC_KRIT7,
305 	TTYC_KUP2,
306 	TTYC_KUP3,
307 	TTYC_KUP4,
308 	TTYC_KUP5,
309 	TTYC_KUP6,
310 	TTYC_KUP7,
311 	TTYC_MS,	/* modify xterm(1) selection */
312 	TTYC_OP,	/* orig_pair, op */
313 	TTYC_REV,	/* enter_reverse_mode, mr */
314 	TTYC_RI,	/* scroll_reverse, sr */
315 	TTYC_RMACS,	/* exit_alt_charset_mode */
316 	TTYC_RMCUP,	/* exit_ca_mode, te */
317 	TTYC_RMIR,	/* exit_insert_mode, ei */
318 	TTYC_RMKX,	/* keypad_local, ke */
319 	TTYC_SETAB,	/* set_a_background, AB */
320 	TTYC_SETAF,	/* set_a_foreground, AF */
321 	TTYC_SGR0,	/* exit_attribute_mode, me */
322 	TTYC_SITM,	/* enter_italics_mode, it */
323 	TTYC_SMACS,	/* enter_alt_charset_mode, as */
324 	TTYC_SMCUP,	/* enter_ca_mode, ti */
325 	TTYC_SMIR,	/* enter_insert_mode, im */
326 	TTYC_SMKX,	/* keypad_xmit, ks */
327 	TTYC_SMSO,	/* enter_standout_mode, so */
328 	TTYC_SMUL,	/* enter_underline_mode, us */
329 	TTYC_TSL,	/* to_status_line, tsl */
330 	TTYC_VPA,	/* row_address, cv */
331 	TTYC_XENL,	/* eat_newline_glitch, xn */
332 	TTYC_XT,	/* xterm(1)-compatible title, XT */
333 };
334 #define NTTYCODE (TTYC_XT + 1)
335 
336 /* Termcap types. */
337 enum tty_code_type {
338 	TTYCODE_NONE = 0,
339 	TTYCODE_STRING,
340 	TTYCODE_NUMBER,
341 	TTYCODE_FLAG,
342 };
343 
344 /* Termcap code. */
345 struct tty_code {
346 	enum tty_code_type	type;
347 	union {
348 		char	       *string;
349 		int		number;
350 		int		flag;
351 	} value;
352 };
353 
354 /* Entry in terminal code table. */
355 struct tty_term_code_entry {
356 	enum tty_code_code	code;
357 	enum tty_code_type	type;
358 	const char	       *name;
359 };
360 
361 /* Message codes. */
362 enum msgtype {
363 	MSG_COMMAND,
364 	MSG_DETACH,
365 	MSG_ERROR,
366 	MSG_EXIT,
367 	MSG_EXITED,
368 	MSG_EXITING,
369 	MSG_IDENTIFY,
370 	MSG_PRINT,
371 	MSG_READY,
372 	MSG_RESIZE,
373 	MSG_SHUTDOWN,
374 	MSG_SUSPEND,
375 	MSG_VERSION,
376 	MSG_WAKEUP,
377 	MSG_ENVIRON,
378 	MSG_UNLOCK,
379 	MSG_LOCK,
380 	MSG_SHELL,
381 	MSG_STDERR,
382 	MSG_STDOUT,
383 	MSG_DETACHKILL
384 };
385 
386 /*
387  * Message data.
388  *
389  * Don't forget to bump PROTOCOL_VERSION if any of these change!
390  */
391 struct msg_command_data {
392 	pid_t		pid;	/* PID from $TMUX or -1 */
393 	int		idx;	/* index from $TMUX or -1 */
394 
395 	int		argc;
396 	char		argv[COMMAND_LENGTH];
397 };
398 
399 struct msg_identify_data {
400 	char		cwd[MAXPATHLEN];
401 
402 	char		term[TERMINAL_LENGTH];
403 
404 #define IDENTIFY_UTF8 0x1
405 #define IDENTIFY_256COLOURS 0x2
406 #define IDENTIFY_88COLOURS 0x4
407 	int		flags;
408 };
409 
410 struct msg_lock_data {
411 	char		cmd[COMMAND_LENGTH];
412 };
413 
414 struct msg_environ_data {
415 	char		var[ENVIRON_LENGTH];
416 };
417 
418 struct msg_shell_data {
419 	char		shell[MAXPATHLEN];
420 };
421 
422 struct msg_exit_data {
423 	int		retcode;
424 };
425 
426 /* Mode key commands. */
427 enum mode_key_cmd {
428 	MODEKEY_NONE,
429 	MODEKEY_OTHER,
430 
431 	/* Editing keys. */
432 	MODEKEYEDIT_BACKSPACE,
433 	MODEKEYEDIT_CANCEL,
434 	MODEKEYEDIT_COMPLETE,
435 	MODEKEYEDIT_CURSORLEFT,
436 	MODEKEYEDIT_CURSORRIGHT,
437 	MODEKEYEDIT_DELETE,
438 	MODEKEYEDIT_DELETELINE,
439 	MODEKEYEDIT_DELETETOENDOFLINE,
440 	MODEKEYEDIT_ENDOFLINE,
441 	MODEKEYEDIT_ENTER,
442 	MODEKEYEDIT_HISTORYDOWN,
443 	MODEKEYEDIT_HISTORYUP,
444 	MODEKEYEDIT_PASTE,
445 	MODEKEYEDIT_STARTOFLINE,
446 	MODEKEYEDIT_SWITCHMODE,
447 	MODEKEYEDIT_SWITCHMODEAPPEND,
448 	MODEKEYEDIT_TRANSPOSECHARS,
449 
450 	/* Menu (choice) keys. */
451 	MODEKEYCHOICE_CANCEL,
452 	MODEKEYCHOICE_CHOOSE,
453 	MODEKEYCHOICE_DOWN,
454 	MODEKEYCHOICE_PAGEDOWN,
455 	MODEKEYCHOICE_PAGEUP,
456 	MODEKEYCHOICE_SCROLLDOWN,
457 	MODEKEYCHOICE_SCROLLUP,
458 	MODEKEYCHOICE_UP,
459 
460 	/* Copy keys. */
461 	MODEKEYCOPY_BACKTOINDENTATION,
462 	MODEKEYCOPY_BOTTOMLINE,
463 	MODEKEYCOPY_CANCEL,
464 	MODEKEYCOPY_CLEARSELECTION,
465 	MODEKEYCOPY_COPYLINE,
466 	MODEKEYCOPY_COPYENDOFLINE,
467 	MODEKEYCOPY_COPYSELECTION,
468 	MODEKEYCOPY_DOWN,
469 	MODEKEYCOPY_ENDOFLINE,
470 	MODEKEYCOPY_GOTOLINE,
471 	MODEKEYCOPY_HALFPAGEDOWN,
472 	MODEKEYCOPY_HALFPAGEUP,
473 	MODEKEYCOPY_HISTORYBOTTOM,
474 	MODEKEYCOPY_HISTORYTOP,
475 	MODEKEYCOPY_JUMP,
476 	MODEKEYCOPY_JUMPAGAIN,
477 	MODEKEYCOPY_JUMPREVERSE,
478 	MODEKEYCOPY_JUMPBACK,
479 	MODEKEYCOPY_LEFT,
480 	MODEKEYCOPY_MIDDLELINE,
481 	MODEKEYCOPY_NEXTPAGE,
482 	MODEKEYCOPY_NEXTSPACE,
483 	MODEKEYCOPY_NEXTSPACEEND,
484 	MODEKEYCOPY_NEXTWORD,
485 	MODEKEYCOPY_NEXTWORDEND,
486 	MODEKEYCOPY_PREVIOUSPAGE,
487 	MODEKEYCOPY_PREVIOUSSPACE,
488 	MODEKEYCOPY_PREVIOUSWORD,
489 	MODEKEYCOPY_RECTANGLETOGGLE,
490 	MODEKEYCOPY_RIGHT,
491 	MODEKEYCOPY_SCROLLDOWN,
492 	MODEKEYCOPY_SCROLLUP,
493 	MODEKEYCOPY_SEARCHAGAIN,
494 	MODEKEYCOPY_SEARCHDOWN,
495 	MODEKEYCOPY_SEARCHREVERSE,
496 	MODEKEYCOPY_SEARCHUP,
497 	MODEKEYCOPY_SELECTLINE,
498 	MODEKEYCOPY_STARTNUMBERPREFIX,
499 	MODEKEYCOPY_STARTOFLINE,
500 	MODEKEYCOPY_STARTSELECTION,
501 	MODEKEYCOPY_TOPLINE,
502 	MODEKEYCOPY_UP,
503 };
504 
505 /* Entry in the default mode key tables. */
506 struct mode_key_entry {
507 	int			key;
508 
509 	/*
510 	 * Editing mode for vi: 0 is edit mode, keys not in the table are
511 	 * returned as MODEKEY_OTHER; 1 is command mode, keys not in the table
512 	 * are returned as MODEKEY_NONE. This is also matched on, allowing some
513 	 * keys to be bound in edit mode.
514 	 */
515 	int			mode;
516 	enum mode_key_cmd	cmd;
517 };
518 
519 /* Data required while mode keys are in use. */
520 struct mode_key_data {
521 	struct mode_key_tree   *tree;
522 	int			mode;
523 };
524 #define MODEKEY_EMACS 0
525 #define MODEKEY_VI 1
526 
527 /* Binding between a key and a command. */
528 struct mode_key_binding {
529 	int			key;
530 
531 	int			mode;
532 	enum mode_key_cmd	cmd;
533 
534 	SPLAY_ENTRY(mode_key_binding) entry;
535 };
536 SPLAY_HEAD(mode_key_tree, mode_key_binding);
537 
538 /* Command to string mapping. */
539 struct mode_key_cmdstr {
540 	enum mode_key_cmd	 cmd;
541 	const char		*name;
542 };
543 
544 /* Named mode key table description. */
545 struct mode_key_table {
546 	const char			*name;
547 	const struct mode_key_cmdstr	*cmdstr;
548 	struct mode_key_tree		*tree;
549 	const struct mode_key_entry	*table;	/* default entries */
550 };
551 
552 /* Modes. */
553 #define MODE_CURSOR 0x1
554 #define MODE_INSERT 0x2
555 #define MODE_KCURSOR 0x4
556 #define MODE_KKEYPAD 0x8	/* set = application, clear = number */
557 #define MODE_WRAP 0x10		/* whether lines wrap */
558 #define MODE_MOUSE_STANDARD 0x20
559 #define MODE_MOUSE_BUTTON 0x40
560 #define MODE_MOUSE_ANY 0x80
561 #define MODE_MOUSE_UTF8 0x100
562 
563 #define ALL_MOUSE_MODES (MODE_MOUSE_STANDARD|MODE_MOUSE_BUTTON|MODE_MOUSE_ANY)
564 
565 /*
566  * A single UTF-8 character.
567  *
568  * The data member in this must be UTF8_SIZE to allow screen_write_copy to
569  * reinject stored UTF-8 data back into screen_write_cell after combining (ugh
570  * XXX XXX).
571  */
572 struct utf8_data {
573 	u_char	data[UTF8_SIZE];
574 
575 	size_t	have;
576 	size_t	size;
577 
578 	u_int	width;
579 };
580 
581 /* Grid output. */
582 #if defined(DEBUG) && \
583     ((defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
584      (defined(__GNUC__) && __GNUC__ >= 3))
585 #define GRID_DEBUG(gd, fmt, ...) log_debug2("%s: (sx=%u, sy=%u, hsize=%u) " \
586     fmt, __func__, (gd)->sx, (gd)->sy, (gd)->hsize, ## __VA_ARGS__)
587 #else
588 #define GRID_DEBUG(...)
589 #endif
590 
591 /* Grid attributes. */
592 #define GRID_ATTR_BRIGHT 0x1
593 #define GRID_ATTR_DIM 0x2
594 #define GRID_ATTR_UNDERSCORE 0x4
595 #define GRID_ATTR_BLINK 0x8
596 #define GRID_ATTR_REVERSE 0x10
597 #define GRID_ATTR_HIDDEN 0x20
598 #define GRID_ATTR_ITALICS 0x40
599 #define GRID_ATTR_CHARSET 0x80	/* alternative character set */
600 
601 /* Grid flags. */
602 #define GRID_FLAG_FG256 0x1
603 #define GRID_FLAG_BG256 0x2
604 #define GRID_FLAG_PADDING 0x4
605 #define GRID_FLAG_UTF8 0x8
606 
607 /* Grid line flags. */
608 #define GRID_LINE_WRAPPED 0x1
609 
610 /* Grid cell data. */
611 struct grid_cell {
612 	u_char	attr;
613 	u_char	flags;
614 	u_char	fg;
615 	u_char	bg;
616 	u_char	data;
617 } __packed;
618 
619 /* Grid cell UTF-8 data. Used instead of data in grid_cell for UTF-8 cells. */
620 struct grid_utf8 {
621 	u_char	width;
622 	u_char	data[UTF8_SIZE];
623 } __packed;
624 
625 /* Grid line. */
626 struct grid_line {
627 	u_int	cellsize;
628 	struct grid_cell *celldata;
629 
630 	u_int	utf8size;
631 	struct grid_utf8 *utf8data;
632 
633 	int	flags;
634 } __packed;
635 
636 /* Entire grid of cells. */
637 struct grid {
638 	int	flags;
639 #define GRID_HISTORY 0x1	/* scroll lines into history */
640 
641 	u_int	sx;
642 	u_int	sy;
643 
644 	u_int	hsize;
645 	u_int	hlimit;
646 
647 	struct grid_line *linedata;
648 };
649 
650 /* Option data structures. */
651 struct options_entry {
652 	char		*name;
653 
654 	enum {
655 		OPTIONS_STRING,
656 		OPTIONS_NUMBER,
657 		OPTIONS_DATA,
658 	} type;
659 
660 	char		*str;
661 	long long	 num;
662 	void		*data;
663 
664 	void		 (*freefn)(void *);
665 
666 	SPLAY_ENTRY(options_entry) entry;
667 };
668 
669 struct options {
670 	SPLAY_HEAD(options_tree, options_entry) tree;
671 	struct options	*parent;
672 };
673 
674 /* Key list for prefix option. */
675 ARRAY_DECL(keylist, int);
676 
677 /* Scheduled job. */
678 struct job {
679 	char		*cmd;
680 	pid_t		 pid;
681 	int		 status;
682 
683 	int		 fd;
684 	struct bufferevent *event;
685 
686 	void		(*callbackfn)(struct job *);
687 	void		(*freefn)(void *);
688 	void		*data;
689 
690 	LIST_ENTRY(job)	 lentry;
691 };
692 LIST_HEAD(joblist, job);
693 
694 /* Screen selection. */
695 struct screen_sel {
696 	int		 flag;
697 	int		 rectflag;
698 
699 	u_int		 sx;
700 	u_int		 sy;
701 
702 	u_int		 ex;
703 	u_int		 ey;
704 
705 	struct grid_cell cell;
706 };
707 
708 /* Virtual screen. */
709 struct screen {
710 	char		*title;
711 
712 	struct grid	*grid;		/* grid data */
713 
714 	u_int		 cx;		/* cursor x */
715 	u_int		 cy;		/* cursor y */
716 
717 	u_int		 cstyle;	/* cursor style */
718 	char		*ccolour;	/* cursor colour string */
719 
720 	u_int		 rupper;	/* scroll region top */
721 	u_int		 rlower;	/* scroll region bottom */
722 
723 	int		 mode;
724 
725 	bitstr_t	*tabs;
726 
727 	struct screen_sel sel;
728 };
729 
730 /* Screen write context. */
731 struct screen_write_ctx {
732 	struct window_pane *wp;
733 	struct screen	*s;
734 };
735 
736 /* Screen size. */
737 #define screen_size_x(s) ((s)->grid->sx)
738 #define screen_size_y(s) ((s)->grid->sy)
739 #define screen_hsize(s) ((s)->grid->hsize)
740 #define screen_hlimit(s) ((s)->grid->hlimit)
741 
742 /* Input parser context. */
743 struct input_ctx {
744 	struct window_pane     *wp;
745 	struct screen_write_ctx ctx;
746 
747 	struct grid_cell	cell;
748 
749 	struct grid_cell	old_cell;
750 	u_int 			old_cx;
751 	u_int			old_cy;
752 
753 	u_char			interm_buf[4];
754 	size_t			interm_len;
755 
756 	u_char			param_buf[64];
757 	size_t			param_len;
758 
759 	u_char			input_buf[256];
760 	size_t			input_len;
761 
762 	int			param_list[24];	/* -1 not present */
763 	u_int			param_list_len;
764 
765 	struct utf8_data	utf8data;
766 
767 	int			ch;
768 	int			flags;
769 #define INPUT_DISCARD 0x1
770 
771 	const struct input_state *state;
772 };
773 
774 /*
775  * Window mode. Windows can be in several modes and this is used to call the
776  * right function to handle input and output.
777  */
778 struct session;
779 struct window;
780 struct mouse_event;
781 struct window_mode {
782 	struct screen *(*init)(struct window_pane *);
783 	void	(*free)(struct window_pane *);
784 	void	(*resize)(struct window_pane *, u_int, u_int);
785 	void	(*key)(struct window_pane *, struct session *, int);
786 	void	(*mouse)(struct window_pane *,
787 		    struct session *, struct mouse_event *);
788 	void	(*timer)(struct window_pane *);
789 };
790 
791 /* Child window structure. */
792 struct window_utmp;
793 struct window_pane {
794 	u_int		 id;
795 
796 	struct window	*window;
797 	struct layout_cell *layout_cell;
798 
799 	u_int		 sx;
800 	u_int		 sy;
801 
802 	u_int		 xoff;
803 	u_int		 yoff;
804 
805 	int		 flags;
806 #define PANE_REDRAW 0x1
807 
808 	char		*cmd;
809 	char		*shell;
810 	char		*cwd;
811 
812 	pid_t		 pid;
813 	char		 tty[TTY_NAME_MAX];
814 
815 	int		 fd;
816 	struct bufferevent *event;
817 
818 	struct input_ctx ictx;
819 
820 	int		 pipe_fd;
821 	struct bufferevent *pipe_event;
822 	size_t		 pipe_off;
823 
824 	struct screen	*screen;
825 	struct screen	 base;
826 
827 	/* Saved in alternative screen mode. */
828 	u_int		 saved_cx;
829 	u_int		 saved_cy;
830 	struct grid	*saved_grid;
831 	struct grid_cell saved_cell;
832 
833 	const struct window_mode *mode;
834 	void		*modedata;
835 
836 	struct window_utmp *utmp;
837 
838 	TAILQ_ENTRY(window_pane) entry;
839 	RB_ENTRY(window_pane) tree_entry;
840 };
841 TAILQ_HEAD(window_panes, window_pane);
842 RB_HEAD(window_pane_tree, window_pane);
843 
844 /* Window structure. */
845 struct window {
846 	char		*name;
847 	struct event	 name_timer;
848 	struct timeval   silence_timer;
849 
850 	struct window_pane *active;
851 	struct window_pane *last;
852 	struct window_panes panes;
853 
854 	int		 lastlayout;
855 	struct layout_cell *layout_root;
856 
857 	u_int		 sx;
858 	u_int		 sy;
859 
860 	int		 flags;
861 #define WINDOW_BELL 0x1
862 #define WINDOW_ACTIVITY 0x2
863 #define WINDOW_REDRAW 0x4
864 #define WINDOW_SILENCE 0x8
865 
866 	struct options	 options;
867 
868 	u_int		 references;
869 };
870 ARRAY_DECL(windows, struct window *);
871 
872 /* Entry on local window list. */
873 struct winlink {
874 	int		 idx;
875 	struct window	*window;
876 
877 	size_t		 status_width;
878 	struct grid_cell status_cell;
879 	char		*status_text;
880 
881 	int              flags;
882 #define WINLINK_BELL 0x1
883 #define WINLINK_ACTIVITY 0x2
884 #define WINLINK_CONTENT 0x4
885 #define WINLINK_SILENCE 0x8
886 #define WINLINK_ALERTFLAGS \
887     (WINLINK_BELL|WINLINK_ACTIVITY|WINLINK_CONTENT|WINLINK_SILENCE)
888 
889 	RB_ENTRY(winlink) entry;
890 	TAILQ_ENTRY(winlink) sentry;
891 };
892 RB_HEAD(winlinks, winlink);
893 TAILQ_HEAD(winlink_stack, winlink);
894 
895 /* Layout direction. */
896 enum layout_type {
897 	LAYOUT_LEFTRIGHT,
898 	LAYOUT_TOPBOTTOM,
899 	LAYOUT_WINDOWPANE
900 };
901 
902 /* Layout cells queue. */
903 TAILQ_HEAD(layout_cells, layout_cell);
904 
905 /* Layout cell. */
906 struct layout_cell {
907 	enum layout_type type;
908 
909 	struct layout_cell *parent;
910 
911 	u_int		 sx;
912 	u_int		 sy;
913 
914 	u_int		 xoff;
915 	u_int		 yoff;
916 
917 	struct window_pane *wp;
918 	struct layout_cells cells;
919 
920 	TAILQ_ENTRY(layout_cell) entry;
921 };
922 
923 /* Paste buffer. */
924 struct paste_buffer {
925 	char		*data;
926 	size_t		 size;
927 };
928 ARRAY_DECL(paste_stack, struct paste_buffer *);
929 
930 /* Environment variable. */
931 struct environ_entry {
932 	char		*name;
933 	char		*value;
934 
935 	RB_ENTRY(environ_entry) entry;
936 };
937 RB_HEAD(environ, environ_entry);
938 
939 /* Client session. */
940 struct session_group {
941 	TAILQ_HEAD(, session) sessions;
942 
943 	TAILQ_ENTRY(session_group) entry;
944 };
945 TAILQ_HEAD(session_groups, session_group);
946 
947 struct session {
948 	u_int		 idx;
949 
950 	char		*name;
951 	char		*cwd;
952 
953 	struct timeval	 creation_time;
954 	struct timeval	 activity_time;
955 
956 	u_int		 sx;
957 	u_int		 sy;
958 
959 	struct winlink	*curw;
960 	struct winlink_stack lastw;
961 	struct winlinks	 windows;
962 
963 	struct options	 options;
964 
965 #define SESSION_UNATTACHED 0x1	/* not attached to any clients */
966 	int		 flags;
967 
968 	struct termios	*tio;
969 
970 	struct environ	 environ;
971 
972 	int		 wlmouse;
973 
974 	int		 references;
975 
976 	TAILQ_ENTRY(session) gentry;
977 	RB_ENTRY(session)    entry;
978 };
979 RB_HEAD(sessions, session);
980 ARRAY_DECL(sessionslist, struct session *);
981 
982 /* TTY information. */
983 struct tty_key {
984 	char		 ch;
985 	int		 key;
986 
987 	struct tty_key	*left;
988 	struct tty_key	*right;
989 
990 	struct tty_key	*next;
991 };
992 
993 struct tty_term {
994 	char		*name;
995 	u_int		 references;
996 
997 	char		 acs[UCHAR_MAX + 1][2];
998 
999 	struct tty_code	 codes[NTTYCODE];
1000 
1001 #define TERM_256COLOURS 0x1
1002 #define TERM_88COLOURS 0x2
1003 #define TERM_EARLYWRAP 0x4
1004 	int		 flags;
1005 
1006 	LIST_ENTRY(tty_term) entry;
1007 };
1008 LIST_HEAD(tty_terms, tty_term);
1009 
1010 struct tty {
1011 	char		*path;
1012 
1013 	u_int		 sx;
1014 	u_int		 sy;
1015 
1016 	u_int		 cx;
1017 	u_int		 cy;
1018 	u_int		 cstyle;
1019 	char		*ccolour;
1020 
1021 	int		 mode;
1022 
1023 	u_int		 rlower;
1024 	u_int		 rupper;
1025 
1026 	char		*termname;
1027 	struct tty_term	*term;
1028 
1029 	int		 fd;
1030 	struct bufferevent *event;
1031 
1032 	int		 log_fd;
1033 
1034 	struct termios	 tio;
1035 
1036 	struct grid_cell cell;
1037 
1038 #define TTY_NOCURSOR 0x1
1039 #define TTY_FREEZE 0x2
1040 #define TTY_ESCAPE 0x4
1041 #define TTY_UTF8 0x8
1042 #define TTY_STARTED 0x10
1043 #define TTY_OPENED 0x20
1044 #define TTY_BACKOFF 0x40
1045 	int		 flags;
1046 
1047 	int		 term_flags;
1048 
1049 	void		 (*key_callback)(int, struct mouse_event *, void *);
1050 	void		*key_data;
1051 	struct event	 key_timer;
1052 	struct tty_key	*key_tree;
1053 };
1054 
1055 /* TTY command context and function pointer. */
1056 struct tty_ctx {
1057 	struct window_pane *wp;
1058 
1059 	const struct grid_cell *cell;
1060 	const struct grid_utf8 *utf8;
1061 
1062 	u_int		 num;
1063 	void		*ptr;
1064 
1065 	/*
1066 	 * Cursor and region position before the screen was updated - this is
1067 	 * where the command should be applied; the values in the screen have
1068 	 * already been updated.
1069 	 */
1070 	u_int		 ocx;
1071 	u_int		 ocy;
1072 
1073 	u_int		 orupper;
1074 	u_int		 orlower;
1075 
1076 	/* Saved last cell on line. */
1077 	struct grid_cell last_cell;
1078 	struct grid_utf8 last_utf8;
1079 	u_int		 last_width;
1080 };
1081 
1082 /*
1083  * xterm mouse mode is fairly silly. Buttons are in the bottom two
1084  * bits: 0 button 1; 1 button 2; 2 button 3; 3 buttons released.
1085  *
1086  * Bit 3 is shift; bit 4 is meta; bit 5 control.
1087  *
1088  * Bit 6 is added for mouse buttons 4 and 5.
1089  */
1090 /* Mouse input. */
1091 struct mouse_event {
1092 	u_int	b;
1093 #define MOUSE_1 0
1094 #define MOUSE_2 1
1095 #define MOUSE_3 2
1096 #define MOUSE_UP 3
1097 #define MOUSE_BUTTON 3
1098 #define MOUSE_DRAG 32
1099 #define MOUSE_45 64
1100 #define MOUSE_RESIZE_PANE 128 /* marker for resizing */
1101 	u_int	x;
1102 	u_int	y;
1103 };
1104 
1105 /* Saved message entry. */
1106 struct message_entry {
1107 	char   *msg;
1108 	time_t	msg_time;
1109 };
1110 
1111 /* Status output data from a job. */
1112 struct status_out {
1113 	char   *cmd;
1114 	char   *out;
1115 
1116 	RB_ENTRY(status_out) entry;
1117 };
1118 RB_HEAD(status_out_tree, status_out);
1119 
1120 /* Client connection. */
1121 struct client {
1122 	struct imsgbuf	 ibuf;
1123 	struct event	 event;
1124 	int		 retcode;
1125 
1126 	struct timeval	 creation_time;
1127 	struct timeval	 activity_time;
1128 
1129 	struct environ	 environ;
1130 
1131 	char		*title;
1132 	char		*cwd;
1133 
1134 	struct tty	 tty;
1135 
1136 	int		 stdin_fd;
1137 	void		*stdin_data;
1138 	void		(*stdin_callback)(struct client *, void *);
1139 	struct bufferevent *stdin_event;
1140 
1141 	int		 stdout_fd;
1142 	struct bufferevent *stdout_event;
1143 
1144 	int		 stderr_fd;
1145 	struct bufferevent *stderr_event;
1146 
1147 	struct event	 repeat_timer;
1148 
1149 	struct status_out_tree status_old;
1150 	struct status_out_tree status_new;
1151 	struct timeval	 status_timer;
1152 	struct screen	 status;
1153 
1154 #define CLIENT_TERMINAL 0x1
1155 #define CLIENT_PREFIX 0x2
1156 #define CLIENT_EXIT 0x4
1157 #define CLIENT_REDRAW 0x8
1158 #define CLIENT_STATUS 0x10
1159 #define CLIENT_REPEAT 0x20	/* allow command to repeat within repeat time */
1160 #define CLIENT_SUSPENDED 0x40
1161 #define CLIENT_BAD 0x80
1162 #define CLIENT_IDENTIFY 0x100
1163 #define CLIENT_DEAD 0x200
1164 #define CLIENT_BORDERS 0x400
1165 #define CLIENT_READONLY 0x800
1166 #define CLIENT_BACKOFF 0x1000
1167 #define CLIENT_REDRAWWINDOW 0x2000
1168 	int		 flags;
1169 
1170 	struct event	 identify_timer;
1171 
1172 	char		*message_string;
1173 	struct event	 message_timer;
1174 	ARRAY_DECL(, struct message_entry) message_log;
1175 
1176 	char		*prompt_string;
1177 	char		*prompt_buffer;
1178 	size_t		 prompt_index;
1179 	int		 (*prompt_callbackfn)(void *, const char *);
1180 	void		 (*prompt_freefn)(void *);
1181 	void		*prompt_data;
1182 	u_int            prompt_hindex;
1183 
1184 #define PROMPT_SINGLE 0x1
1185 	int		 prompt_flags;
1186 
1187 	struct mode_key_data prompt_mdata;
1188 
1189 	struct session	*session;
1190 	struct session	*last_session;
1191 
1192 	struct mouse_event last_mouse;
1193 
1194 	int		 references;
1195 };
1196 ARRAY_DECL(clients, struct client *);
1197 
1198 /* Parsed arguments. */
1199 struct args {
1200 	bitstr_t	*flags;
1201 	char		*values[SCHAR_MAX]; /* XXX This is awfully big. */
1202 
1203 	int		 argc;
1204 	char	       **argv;
1205 };
1206 
1207 /* Key/command line command. */
1208 struct cmd_ctx {
1209 	/*
1210 	 * curclient is the client where this command was executed if inside
1211 	 * tmux. This is NULL if the command came from the command-line.
1212 	 *
1213 	 * cmdclient is the client which sent the MSG_COMMAND to the server, if
1214 	 * any. This is NULL unless the command came from the command-line.
1215 	 *
1216 	 * cmdclient and curclient may both be NULL if the command is in the
1217 	 * configuration file.
1218 	 */
1219 	struct client  *curclient;
1220 	struct client  *cmdclient;
1221 
1222 	struct msg_command_data	*msgdata;
1223 
1224 	/* gcc2 doesn't understand attributes on function pointers... */
1225 #if defined(__GNUC__) && __GNUC__ >= 3
1226 	void printflike2 (*print)(struct cmd_ctx *, const char *, ...);
1227 	void printflike2 (*info)(struct cmd_ctx *, const char *, ...);
1228 	void printflike2 (*error)(struct cmd_ctx *, const char *, ...);
1229 #else
1230 	void (*print)(struct cmd_ctx *, const char *, ...);
1231 	void (*info)(struct cmd_ctx *, const char *, ...);
1232 	void (*error)(struct cmd_ctx *, const char *, ...);
1233 #endif
1234 };
1235 
1236 struct cmd {
1237 	const struct cmd_entry	*entry;
1238 	struct args		*args;
1239 
1240 	TAILQ_ENTRY(cmd)	 qentry;
1241 };
1242 struct cmd_list {
1243 	int		 	 references;
1244 	TAILQ_HEAD(, cmd) 	 list;
1245 };
1246 
1247 struct cmd_entry {
1248 	const char	*name;
1249 	const char	*alias;
1250 
1251 	const char	*args_template;
1252 	int		 args_lower;
1253 	int		 args_upper;
1254 
1255 	const char	*usage;
1256 
1257 #define CMD_STARTSERVER 0x1
1258 #define CMD_CANTNEST 0x2
1259 #define CMD_SENDENVIRON 0x4
1260 #define CMD_READONLY 0x8
1261 	int		 flags;
1262 
1263 	void		 (*key_binding)(struct cmd *, int);
1264 	int		 (*check)(struct args *);
1265 	int		 (*exec)(struct cmd *, struct cmd_ctx *);
1266 };
1267 
1268 /* Key binding. */
1269 struct key_binding {
1270 	int		 key;
1271 	struct cmd_list	*cmdlist;
1272 	int		 can_repeat;
1273 
1274 	SPLAY_ENTRY(key_binding) entry;
1275 };
1276 SPLAY_HEAD(key_bindings, key_binding);
1277 
1278 /*
1279  * Option table entries. The option table is the user-visible part of the
1280  * option, as opposed to the internal options (struct option) which are just
1281  * number or string.
1282  */
1283 enum options_table_type {
1284 	OPTIONS_TABLE_STRING,
1285 	OPTIONS_TABLE_NUMBER,
1286 	OPTIONS_TABLE_KEYS,
1287 	OPTIONS_TABLE_COLOUR,
1288 	OPTIONS_TABLE_ATTRIBUTES,
1289 	OPTIONS_TABLE_FLAG,
1290 	OPTIONS_TABLE_CHOICE
1291 };
1292 
1293 struct options_table_entry {
1294 	const char	       *name;
1295 	enum options_table_type	type;
1296 
1297 	u_int		 	minimum;
1298 	u_int		 	maximum;
1299 	const char	      **choices;
1300 
1301 	const char	       *default_str;
1302 	long long		default_num;
1303 };
1304 
1305 /* List of configuration causes. */
1306 ARRAY_DECL(causelist, char *);
1307 
1308 /* Common command usages. */
1309 #define CMD_TARGET_PANE_USAGE "[-t target-pane]"
1310 #define CMD_TARGET_WINDOW_USAGE "[-t target-window]"
1311 #define CMD_TARGET_SESSION_USAGE "[-t target-session]"
1312 #define CMD_TARGET_CLIENT_USAGE "[-t target-client]"
1313 #define CMD_SRCDST_PANE_USAGE "[-s src-pane] [-t dst-pane]"
1314 #define CMD_SRCDST_WINDOW_USAGE "[-s src-window] [-t dst-window]"
1315 #define CMD_SRCDST_SESSION_USAGE "[-s src-session] [-t dst-session]"
1316 #define CMD_SRCDST_CLIENT_USAGE "[-s src-client] [-t dst-client]"
1317 #define CMD_BUFFER_USAGE "[-b buffer-index]"
1318 
1319 /* tmux.c */
1320 extern struct options global_options;
1321 extern struct options global_s_options;
1322 extern struct options global_w_options;
1323 extern struct environ global_environ;
1324 extern struct event_base *ev_base;
1325 extern char	*cfg_file;
1326 extern char	*shell_cmd;
1327 extern int	 debug_level;
1328 extern time_t	 start_time;
1329 extern char	 socket_path[MAXPATHLEN];
1330 extern int	 login_shell;
1331 extern char	*environ_path;
1332 extern pid_t	 environ_pid;
1333 extern int	 environ_idx;
1334 void		 logfile(const char *);
1335 const char	*getshell(void);
1336 int		 checkshell(const char *);
1337 int		 areshell(const char *);
1338 void		 setblocking(int, int);
1339 __dead void	 shell_exec(const char *, const char *);
1340 
1341 /* cfg.c */
1342 extern int       cfg_finished;
1343 extern struct causelist cfg_causes;
1344 void printflike2 cfg_add_cause(struct causelist *, const char *, ...);
1345 int		 load_cfg(const char *, struct cmd_ctx *, struct causelist *);
1346 
1347 /* mode-key.c */
1348 extern const struct mode_key_table mode_key_tables[];
1349 extern struct mode_key_tree mode_key_tree_vi_edit;
1350 extern struct mode_key_tree mode_key_tree_vi_choice;
1351 extern struct mode_key_tree mode_key_tree_vi_copy;
1352 extern struct mode_key_tree mode_key_tree_emacs_edit;
1353 extern struct mode_key_tree mode_key_tree_emacs_choice;
1354 extern struct mode_key_tree mode_key_tree_emacs_copy;
1355 int	mode_key_cmp(struct mode_key_binding *, struct mode_key_binding *);
1356 SPLAY_PROTOTYPE(mode_key_tree, mode_key_binding, entry, mode_key_cmp);
1357 const char *mode_key_tostring(const struct mode_key_cmdstr *,
1358 	    enum mode_key_cmd);
1359 enum mode_key_cmd mode_key_fromstring(const struct mode_key_cmdstr *,
1360 	    const char *);
1361 const struct mode_key_table *mode_key_findtable(const char *);
1362 void	mode_key_init_trees(void);
1363 void	mode_key_init(struct mode_key_data *, struct mode_key_tree *);
1364 enum mode_key_cmd mode_key_lookup(struct mode_key_data *, int);
1365 
1366 /* options.c */
1367 int	options_cmp(struct options_entry *, struct options_entry *);
1368 SPLAY_PROTOTYPE(options_tree, options_entry, entry, options_cmp);
1369 void	options_init(struct options *, struct options *);
1370 void	options_free(struct options *);
1371 struct options_entry *options_find1(struct options *, const char *);
1372 struct options_entry *options_find(struct options *, const char *);
1373 void	options_remove(struct options *, const char *);
1374 struct options_entry *printflike3 options_set_string(
1375 	    struct options *, const char *, const char *, ...);
1376 char   *options_get_string(struct options *, const char *);
1377 struct options_entry *options_set_number(
1378 	    struct options *, const char *, long long);
1379 long long options_get_number(struct options *, const char *);
1380 struct options_entry *options_set_data(
1381 	    struct options *, const char *, void *, void (*)(void *));
1382 void   *options_get_data(struct options *, const char *);
1383 
1384 /* options-table.c */
1385 extern const struct options_table_entry server_options_table[];
1386 extern const struct options_table_entry session_options_table[];
1387 extern const struct options_table_entry window_options_table[];
1388 void	options_table_populate_tree(
1389 	    const struct options_table_entry *, struct options *);
1390 const char *options_table_print_entry(
1391 	    const struct options_table_entry *, struct options_entry *);
1392 
1393 /* job.c */
1394 extern struct joblist all_jobs;
1395 struct job *job_run(
1396 	    const char *, void (*)(struct job *), void (*)(void *), void *);
1397 void	job_free(struct job *);
1398 void	job_died(struct job *, int);
1399 
1400 /* environ.c */
1401 int	environ_cmp(struct environ_entry *, struct environ_entry *);
1402 RB_PROTOTYPE(environ, environ_entry, entry, environ_cmp);
1403 void	environ_init(struct environ *);
1404 void	environ_free(struct environ *);
1405 void	environ_copy(struct environ *, struct environ *);
1406 struct environ_entry *environ_find(struct environ *, const char *);
1407 void	environ_set(struct environ *, const char *, const char *);
1408 void	environ_put(struct environ *, const char *);
1409 void	environ_unset(struct environ *, const char *);
1410 void	environ_update(const char *, struct environ *, struct environ *);
1411 void	environ_push(struct environ *);
1412 
1413 /* tty.c */
1414 void	tty_raw(struct tty *, const char *);
1415 void	tty_attributes(struct tty *, const struct grid_cell *);
1416 void	tty_reset(struct tty *);
1417 void	tty_region_pane(struct tty *, const struct tty_ctx *, u_int, u_int);
1418 void	tty_region(struct tty *, u_int, u_int);
1419 void	tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int, u_int);
1420 void	tty_cursor(struct tty *, u_int, u_int);
1421 void	tty_putcode(struct tty *, enum tty_code_code);
1422 void	tty_putcode1(struct tty *, enum tty_code_code, int);
1423 void	tty_putcode2(struct tty *, enum tty_code_code, int, int);
1424 void	tty_putcode_ptr1(struct tty *, enum tty_code_code, const void *);
1425 void	tty_putcode_ptr2(struct tty *, enum tty_code_code, const void *, const void *);
1426 void	tty_puts(struct tty *, const char *);
1427 void	tty_putc(struct tty *, u_char);
1428 void	tty_pututf8(struct tty *, const struct grid_utf8 *);
1429 void	tty_init(struct tty *, int, char *);
1430 int	tty_resize(struct tty *);
1431 void	tty_start_tty(struct tty *);
1432 void	tty_stop_tty(struct tty *);
1433 void	tty_set_title(struct tty *, const char *);
1434 void	tty_update_mode(struct tty *, int, struct screen *);
1435 void	tty_force_cursor_colour(struct tty *, const char *);
1436 void	tty_draw_line(struct tty *, struct screen *, u_int, u_int, u_int);
1437 int	tty_open(struct tty *, const char *, char **);
1438 void	tty_close(struct tty *);
1439 void	tty_free(struct tty *);
1440 void	tty_write(void (*)(
1441 	    struct tty *, const struct tty_ctx *), const struct tty_ctx *);
1442 void	tty_cmd_alignmenttest(struct tty *, const struct tty_ctx *);
1443 void	tty_cmd_cell(struct tty *, const struct tty_ctx *);
1444 void	tty_cmd_clearendofline(struct tty *, const struct tty_ctx *);
1445 void	tty_cmd_clearendofscreen(struct tty *, const struct tty_ctx *);
1446 void	tty_cmd_clearline(struct tty *, const struct tty_ctx *);
1447 void	tty_cmd_clearscreen(struct tty *, const struct tty_ctx *);
1448 void	tty_cmd_clearstartofline(struct tty *, const struct tty_ctx *);
1449 void	tty_cmd_clearstartofscreen(struct tty *, const struct tty_ctx *);
1450 void	tty_cmd_deletecharacter(struct tty *, const struct tty_ctx *);
1451 void	tty_cmd_deleteline(struct tty *, const struct tty_ctx *);
1452 void	tty_cmd_erasecharacter(struct tty *, const struct tty_ctx *);
1453 void	tty_cmd_insertcharacter(struct tty *, const struct tty_ctx *);
1454 void	tty_cmd_insertline(struct tty *, const struct tty_ctx *);
1455 void	tty_cmd_linefeed(struct tty *, const struct tty_ctx *);
1456 void	tty_cmd_utf8character(struct tty *, const struct tty_ctx *);
1457 void	tty_cmd_reverseindex(struct tty *, const struct tty_ctx *);
1458 void	tty_cmd_setselection(struct tty *, const struct tty_ctx *);
1459 void	tty_cmd_rawstring(struct tty *, const struct tty_ctx *);
1460 
1461 /* tty-term.c */
1462 extern struct tty_terms tty_terms;
1463 extern const struct tty_term_code_entry tty_term_codes[NTTYCODE];
1464 struct tty_term *tty_term_find(char *, int, const char *, char **);
1465 void		 tty_term_free(struct tty_term *);
1466 int		 tty_term_has(struct tty_term *, enum tty_code_code);
1467 const char	*tty_term_string(struct tty_term *, enum tty_code_code);
1468 const char	*tty_term_string1(struct tty_term *, enum tty_code_code, int);
1469 const char	*tty_term_string2(
1470 		     struct tty_term *, enum tty_code_code, int, int);
1471 const char	*tty_term_ptr1(
1472 		     struct tty_term *, enum tty_code_code, const void *);
1473 const char	*tty_term_ptr2(
1474 		     struct tty_term *, enum tty_code_code, const void *, const void *);
1475 int		 tty_term_number(struct tty_term *, enum tty_code_code);
1476 int		 tty_term_flag(struct tty_term *, enum tty_code_code);
1477 
1478 /* tty-acs.c */
1479 const char	*tty_acs_get(struct tty *, u_char);
1480 
1481 /* tty-keys.c */
1482 void	tty_keys_init(struct tty *);
1483 void	tty_keys_free(struct tty *);
1484 int	tty_keys_next(struct tty *);
1485 
1486 /* paste.c */
1487 struct paste_buffer *paste_walk_stack(struct paste_stack *, u_int *);
1488 struct paste_buffer *paste_get_top(struct paste_stack *);
1489 struct paste_buffer *paste_get_index(struct paste_stack *, u_int);
1490 int		 paste_free_top(struct paste_stack *);
1491 int		 paste_free_index(struct paste_stack *, u_int);
1492 void		 paste_add(struct paste_stack *, char *, size_t, u_int);
1493 int		 paste_replace(struct paste_stack *, u_int, char *, size_t);
1494 char		*paste_print(struct paste_buffer *, size_t);
1495 
1496 /* clock.c */
1497 extern const char clock_table[14][5][5];
1498 void		 clock_draw(struct screen_write_ctx *, int, int);
1499 
1500 /* arguments.c */
1501 struct args	*args_create(int, ...);
1502 struct args	*args_parse(const char *, int, char **);
1503 void		 args_free(struct args *);
1504 size_t		 args_print(struct args *, char *, size_t);
1505 int		 args_has(struct args *, u_char);
1506 void		 args_set(struct args *, u_char, const char *);
1507 const char	*args_get(struct args *, u_char);
1508 long long	 args_strtonum(
1509 		    struct args *, u_char, long long, long long, char **);
1510 
1511 /* cmd.c */
1512 int		 cmd_pack_argv(int, char **, char *, size_t);
1513 int		 cmd_unpack_argv(char *, size_t, int, char ***);
1514 char	       **cmd_copy_argv(int, char *const *);
1515 void		 cmd_free_argv(int, char **);
1516 struct cmd	*cmd_parse(int, char **, char **);
1517 int		 cmd_exec(struct cmd *, struct cmd_ctx *);
1518 void		 cmd_free(struct cmd *);
1519 size_t		 cmd_print(struct cmd *, char *, size_t);
1520 struct session	*cmd_current_session(struct cmd_ctx *, int);
1521 struct client	*cmd_current_client(struct cmd_ctx *);
1522 struct client	*cmd_find_client(struct cmd_ctx *, const char *);
1523 struct session	*cmd_find_session(struct cmd_ctx *, const char *, int);
1524 struct winlink	*cmd_find_window(
1525 		     struct cmd_ctx *, const char *, struct session **);
1526 int		 cmd_find_index(
1527 		     struct cmd_ctx *, const char *, struct session **);
1528 struct winlink	*cmd_find_pane(struct cmd_ctx *,
1529 		     const char *, struct session **, struct window_pane **);
1530 char		*cmd_template_replace(char *, const char *, int);
1531 extern const struct cmd_entry *cmd_table[];
1532 extern const struct cmd_entry cmd_attach_session_entry;
1533 extern const struct cmd_entry cmd_bind_key_entry;
1534 extern const struct cmd_entry cmd_break_pane_entry;
1535 extern const struct cmd_entry cmd_capture_pane_entry;
1536 extern const struct cmd_entry cmd_choose_buffer_entry;
1537 extern const struct cmd_entry cmd_choose_client_entry;
1538 extern const struct cmd_entry cmd_choose_session_entry;
1539 extern const struct cmd_entry cmd_choose_window_entry;
1540 extern const struct cmd_entry cmd_clear_history_entry;
1541 extern const struct cmd_entry cmd_clock_mode_entry;
1542 extern const struct cmd_entry cmd_command_prompt_entry;
1543 extern const struct cmd_entry cmd_confirm_before_entry;
1544 extern const struct cmd_entry cmd_copy_mode_entry;
1545 extern const struct cmd_entry cmd_delete_buffer_entry;
1546 extern const struct cmd_entry cmd_detach_client_entry;
1547 extern const struct cmd_entry cmd_display_message_entry;
1548 extern const struct cmd_entry cmd_display_panes_entry;
1549 extern const struct cmd_entry cmd_down_pane_entry;
1550 extern const struct cmd_entry cmd_find_window_entry;
1551 extern const struct cmd_entry cmd_has_session_entry;
1552 extern const struct cmd_entry cmd_if_shell_entry;
1553 extern const struct cmd_entry cmd_join_pane_entry;
1554 extern const struct cmd_entry cmd_kill_pane_entry;
1555 extern const struct cmd_entry cmd_kill_server_entry;
1556 extern const struct cmd_entry cmd_kill_session_entry;
1557 extern const struct cmd_entry cmd_kill_window_entry;
1558 extern const struct cmd_entry cmd_last_pane_entry;
1559 extern const struct cmd_entry cmd_last_window_entry;
1560 extern const struct cmd_entry cmd_link_window_entry;
1561 extern const struct cmd_entry cmd_list_buffers_entry;
1562 extern const struct cmd_entry cmd_list_clients_entry;
1563 extern const struct cmd_entry cmd_list_commands_entry;
1564 extern const struct cmd_entry cmd_list_keys_entry;
1565 extern const struct cmd_entry cmd_list_panes_entry;
1566 extern const struct cmd_entry cmd_list_sessions_entry;
1567 extern const struct cmd_entry cmd_list_windows_entry;
1568 extern const struct cmd_entry cmd_load_buffer_entry;
1569 extern const struct cmd_entry cmd_lock_client_entry;
1570 extern const struct cmd_entry cmd_lock_server_entry;
1571 extern const struct cmd_entry cmd_lock_session_entry;
1572 extern const struct cmd_entry cmd_move_window_entry;
1573 extern const struct cmd_entry cmd_new_session_entry;
1574 extern const struct cmd_entry cmd_new_window_entry;
1575 extern const struct cmd_entry cmd_next_layout_entry;
1576 extern const struct cmd_entry cmd_next_window_entry;
1577 extern const struct cmd_entry cmd_paste_buffer_entry;
1578 extern const struct cmd_entry cmd_pipe_pane_entry;
1579 extern const struct cmd_entry cmd_previous_layout_entry;
1580 extern const struct cmd_entry cmd_previous_window_entry;
1581 extern const struct cmd_entry cmd_refresh_client_entry;
1582 extern const struct cmd_entry cmd_rename_session_entry;
1583 extern const struct cmd_entry cmd_rename_window_entry;
1584 extern const struct cmd_entry cmd_resize_pane_entry;
1585 extern const struct cmd_entry cmd_respawn_pane_entry;
1586 extern const struct cmd_entry cmd_respawn_window_entry;
1587 extern const struct cmd_entry cmd_rotate_window_entry;
1588 extern const struct cmd_entry cmd_run_shell_entry;
1589 extern const struct cmd_entry cmd_save_buffer_entry;
1590 extern const struct cmd_entry cmd_select_layout_entry;
1591 extern const struct cmd_entry cmd_select_pane_entry;
1592 extern const struct cmd_entry cmd_select_window_entry;
1593 extern const struct cmd_entry cmd_send_keys_entry;
1594 extern const struct cmd_entry cmd_send_prefix_entry;
1595 extern const struct cmd_entry cmd_server_info_entry;
1596 extern const struct cmd_entry cmd_set_buffer_entry;
1597 extern const struct cmd_entry cmd_set_environment_entry;
1598 extern const struct cmd_entry cmd_set_option_entry;
1599 extern const struct cmd_entry cmd_set_window_option_entry;
1600 extern const struct cmd_entry cmd_show_buffer_entry;
1601 extern const struct cmd_entry cmd_show_environment_entry;
1602 extern const struct cmd_entry cmd_show_messages_entry;
1603 extern const struct cmd_entry cmd_show_options_entry;
1604 extern const struct cmd_entry cmd_show_window_options_entry;
1605 extern const struct cmd_entry cmd_source_file_entry;
1606 extern const struct cmd_entry cmd_split_window_entry;
1607 extern const struct cmd_entry cmd_start_server_entry;
1608 extern const struct cmd_entry cmd_suspend_client_entry;
1609 extern const struct cmd_entry cmd_swap_pane_entry;
1610 extern const struct cmd_entry cmd_swap_window_entry;
1611 extern const struct cmd_entry cmd_switch_client_entry;
1612 extern const struct cmd_entry cmd_unbind_key_entry;
1613 extern const struct cmd_entry cmd_unlink_window_entry;
1614 extern const struct cmd_entry cmd_up_pane_entry;
1615 
1616 /* cmd-list.c */
1617 struct cmd_list	*cmd_list_parse(int, char **, char **);
1618 int		 cmd_list_exec(struct cmd_list *, struct cmd_ctx *);
1619 void		 cmd_list_free(struct cmd_list *);
1620 size_t		 cmd_list_print(struct cmd_list *, char *, size_t);
1621 
1622 /* cmd-string.c */
1623 int	cmd_string_parse(const char *, struct cmd_list **, char **);
1624 
1625 /* client.c */
1626 int	client_main(int, char **, int);
1627 
1628 /* key-bindings.c */
1629 extern struct key_bindings key_bindings;
1630 int	 key_bindings_cmp(struct key_binding *, struct key_binding *);
1631 SPLAY_PROTOTYPE(key_bindings, key_binding, entry, key_bindings_cmp);
1632 struct key_binding *key_bindings_lookup(int);
1633 void	 key_bindings_add(int, int, struct cmd_list *);
1634 void	 key_bindings_remove(int);
1635 void	 key_bindings_clean(void);
1636 void	 key_bindings_init(void);
1637 void	 key_bindings_dispatch(struct key_binding *, struct client *);
1638 void printflike2 key_bindings_error(struct cmd_ctx *, const char *, ...);
1639 void printflike2 key_bindings_print(struct cmd_ctx *, const char *, ...);
1640 void printflike2 key_bindings_info(struct cmd_ctx *, const char *, ...);
1641 
1642 /* key-string.c */
1643 int	 key_string_lookup_string(const char *);
1644 const char *key_string_lookup_key(int);
1645 
1646 /* server.c */
1647 extern struct clients clients;
1648 extern struct clients dead_clients;
1649 extern struct paste_stack global_buffers;
1650 int	 server_start(void);
1651 void	 server_update_socket(void);
1652 
1653 /* server-client.c */
1654 void	 server_client_create(int);
1655 void	 server_client_lost(struct client *);
1656 void	 server_client_callback(int, short, void *);
1657 void	 server_client_status_timer(void);
1658 void	 server_client_loop(void);
1659 
1660 /* server-window.c */
1661 void	 server_window_loop(void);
1662 
1663 /* server-fn.c */
1664 void	 server_fill_environ(struct session *, struct environ *);
1665 void	 server_write_client(
1666 	     struct client *, enum msgtype, const void *, size_t);
1667 void	 server_write_session(
1668 	     struct session *, enum msgtype, const void *, size_t);
1669 void	 server_redraw_client(struct client *);
1670 void	 server_status_client(struct client *);
1671 void	 server_redraw_session(struct session *);
1672 void	 server_redraw_session_group(struct session *);
1673 void	 server_status_session(struct session *);
1674 void	 server_status_session_group(struct session *);
1675 void	 server_redraw_window(struct window *);
1676 void	 server_redraw_window_borders(struct window *);
1677 void	 server_status_window(struct window *);
1678 void	 server_lock(void);
1679 void	 server_lock_session(struct session *);
1680 void	 server_lock_client(struct client *);
1681 int	 server_unlock(const char *);
1682 void	 server_kill_window(struct window *);
1683 int	 server_link_window(struct session *,
1684 	     struct winlink *, struct session *, int, int, int, char **);
1685 void	 server_unlink_window(struct session *, struct winlink *);
1686 void	 server_destroy_pane(struct window_pane *);
1687 void	 server_destroy_session_group(struct session *);
1688 void	 server_destroy_session(struct session *);
1689 void	 server_check_unattached (void);
1690 void	 server_set_identify(struct client *);
1691 void	 server_clear_identify(struct client *);
1692 void	 server_update_event(struct client *);
1693 
1694 /* status.c */
1695 int	 status_out_cmp(struct status_out *, struct status_out *);
1696 RB_PROTOTYPE(status_out_tree, status_out, entry, status_out_cmp);
1697 void	 status_free_jobs(struct status_out_tree *);
1698 void	 status_update_jobs(struct client *);
1699 void	 status_set_window_at(struct client *, u_int);
1700 int	 status_redraw(struct client *);
1701 char	*status_replace(struct client *, struct session *,
1702 	     struct winlink *, struct window_pane *, const char *, time_t, int)
1703     __attribute__((__format__(__strftime__, 5, 0)));
1704 void printflike2 status_message_set(struct client *, const char *, ...);
1705 void	 status_message_clear(struct client *);
1706 int	 status_message_redraw(struct client *);
1707 void	 status_prompt_set(struct client *, const char *, const char *,
1708 	     int (*)(void *, const char *), void (*)(void *), void *, int);
1709 void	 status_prompt_clear(struct client *);
1710 int	 status_prompt_redraw(struct client *);
1711 void	 status_prompt_key(struct client *, int);
1712 void	 status_prompt_update(struct client *, const char *, const char *);
1713 
1714 /* resize.c */
1715 void	 recalculate_sizes(void);
1716 
1717 /* input.c */
1718 void	 input_init(struct window_pane *);
1719 void	 input_free(struct window_pane *);
1720 void	 input_parse(struct window_pane *);
1721 
1722 /* input-key.c */
1723 void	 input_key(struct window_pane *, int);
1724 void	 input_mouse(struct window_pane *, struct mouse_event *);
1725 
1726 /* xterm-keys.c */
1727 char	*xterm_keys_lookup(int);
1728 int	 xterm_keys_find(const char *, size_t, size_t *, int *);
1729 
1730 /* colour.c */
1731 void	 colour_set_fg(struct grid_cell *, int);
1732 void	 colour_set_bg(struct grid_cell *, int);
1733 const char *colour_tostring(int);
1734 int	 colour_fromstring(const char *);
1735 u_char	 colour_256to16(u_char);
1736 u_char	 colour_256to88(u_char);
1737 
1738 /* attributes.c */
1739 const char *attributes_tostring(u_char);
1740 int	 attributes_fromstring(const char *);
1741 
1742 /* grid.c */
1743 extern const struct grid_cell grid_default_cell;
1744 struct grid *grid_create(u_int, u_int, u_int);
1745 void	 grid_destroy(struct grid *);
1746 int	 grid_compare(struct grid *, struct grid *);
1747 void	 grid_collect_history(struct grid *);
1748 void	 grid_scroll_history(struct grid *);
1749 void	 grid_scroll_history_region(struct grid *, u_int, u_int);
1750 void	 grid_expand_line(struct grid *, u_int, u_int);
1751 void	 grid_expand_line_utf8(struct grid *, u_int, u_int);
1752 const struct grid_cell *grid_peek_cell(struct grid *, u_int, u_int);
1753 struct grid_cell *grid_get_cell(struct grid *, u_int, u_int);
1754 void	 grid_set_cell(struct grid *, u_int, u_int, const struct grid_cell *);
1755 const struct grid_utf8 *grid_peek_utf8(struct grid *, u_int, u_int);
1756 struct grid_utf8 *grid_get_utf8(struct grid *, u_int, u_int);
1757 void	 grid_set_utf8(struct grid *, u_int, u_int, const struct grid_utf8 *);
1758 void	 grid_clear(struct grid *, u_int, u_int, u_int, u_int);
1759 void	 grid_clear_lines(struct grid *, u_int, u_int);
1760 void	 grid_move_lines(struct grid *, u_int, u_int, u_int);
1761 void	 grid_move_cells(struct grid *, u_int, u_int, u_int, u_int);
1762 char	*grid_string_cells(struct grid *, u_int, u_int, u_int);
1763 void	 grid_duplicate_lines(
1764 	     struct grid *, u_int, struct grid *, u_int, u_int);
1765 
1766 /* grid-utf8.c */
1767 size_t	 grid_utf8_size(const struct grid_utf8 *);
1768 size_t	 grid_utf8_copy(const struct grid_utf8 *, char *, size_t);
1769 void	 grid_utf8_set(struct grid_utf8 *, const struct utf8_data *);
1770 int	 grid_utf8_append(struct grid_utf8 *, const struct utf8_data *);
1771 int	 grid_utf8_compare(const struct grid_utf8 *, const struct grid_utf8 *);
1772 
1773 /* grid-view.c */
1774 const struct grid_cell *grid_view_peek_cell(struct grid *, u_int, u_int);
1775 struct grid_cell *grid_view_get_cell(struct grid *, u_int, u_int);
1776 void	 grid_view_set_cell(
1777 	     struct grid *, u_int, u_int, const struct grid_cell *);
1778 const struct grid_utf8 *grid_view_peek_utf8(struct grid *, u_int, u_int);
1779 struct grid_utf8 *grid_view_get_utf8(struct grid *, u_int, u_int);
1780 void	 grid_view_set_utf8(
1781 	     struct grid *, u_int, u_int, const struct grid_utf8 *);
1782 void	 grid_view_clear_history(struct grid *);
1783 void	 grid_view_clear(struct grid *, u_int, u_int, u_int, u_int);
1784 void	 grid_view_scroll_region_up(struct grid *, u_int, u_int);
1785 void	 grid_view_scroll_region_down(struct grid *, u_int, u_int);
1786 void	 grid_view_insert_lines(struct grid *, u_int, u_int);
1787 void	 grid_view_insert_lines_region(struct grid *, u_int, u_int, u_int);
1788 void	 grid_view_delete_lines(struct grid *, u_int, u_int);
1789 void	 grid_view_delete_lines_region(struct grid *, u_int, u_int, u_int);
1790 void	 grid_view_insert_cells(struct grid *, u_int, u_int, u_int);
1791 void	 grid_view_delete_cells(struct grid *, u_int, u_int, u_int);
1792 char	*grid_view_string_cells(struct grid *, u_int, u_int, u_int);
1793 
1794 /* screen-write.c */
1795 void	 screen_write_start(
1796 	     struct screen_write_ctx *, struct window_pane *, struct screen *);
1797 void	 screen_write_stop(struct screen_write_ctx *);
1798 size_t printflike2 screen_write_cstrlen(int, const char *, ...);
1799 void printflike5 screen_write_cnputs(struct screen_write_ctx *,
1800 	     ssize_t, struct grid_cell *, int, const char *, ...);
1801 size_t printflike2 screen_write_strlen(int, const char *, ...);
1802 void printflike3 screen_write_puts(struct screen_write_ctx *,
1803 	     struct grid_cell *, const char *, ...);
1804 void printflike5 screen_write_nputs(struct screen_write_ctx *,
1805 	     ssize_t, struct grid_cell *, int, const char *, ...);
1806 void	 screen_write_vnputs(struct screen_write_ctx *,
1807 	     ssize_t, struct grid_cell *, int, const char *, va_list);
1808 void	 screen_write_parsestyle(
1809 	     struct grid_cell *, struct grid_cell *, const char *);
1810 void	 screen_write_putc(
1811 	     struct screen_write_ctx *, struct grid_cell *, u_char);
1812 void	 screen_write_copy(struct screen_write_ctx *,
1813 	     struct screen *, u_int, u_int, u_int, u_int);
1814 void	 screen_write_backspace(struct screen_write_ctx *);
1815 void	 screen_write_cursorup(struct screen_write_ctx *, u_int);
1816 void	 screen_write_cursordown(struct screen_write_ctx *, u_int);
1817 void	 screen_write_cursorright(struct screen_write_ctx *, u_int);
1818 void	 screen_write_cursorleft(struct screen_write_ctx *, u_int);
1819 void	 screen_write_alignmenttest(struct screen_write_ctx *);
1820 void	 screen_write_insertcharacter(struct screen_write_ctx *, u_int);
1821 void	 screen_write_deletecharacter(struct screen_write_ctx *, u_int);
1822 void	 screen_write_insertline(struct screen_write_ctx *, u_int);
1823 void	 screen_write_deleteline(struct screen_write_ctx *, u_int);
1824 void	 screen_write_clearline(struct screen_write_ctx *);
1825 void	 screen_write_clearendofline(struct screen_write_ctx *);
1826 void	 screen_write_clearstartofline(struct screen_write_ctx *);
1827 void	 screen_write_cursormove(struct screen_write_ctx *, u_int, u_int);
1828 void	 screen_write_cursormode(struct screen_write_ctx *, int);
1829 void	 screen_write_reverseindex(struct screen_write_ctx *);
1830 void	 screen_write_scrollregion(struct screen_write_ctx *, u_int, u_int);
1831 void	 screen_write_insertmode(struct screen_write_ctx *, int);
1832 void	 screen_write_utf8mousemode(struct screen_write_ctx *, int);
1833 void	 screen_write_mousemode_on(struct screen_write_ctx *, int);
1834 void	 screen_write_mousemode_off(struct screen_write_ctx *);
1835 void	 screen_write_linefeed(struct screen_write_ctx *, int);
1836 void	 screen_write_linefeedscreen(struct screen_write_ctx *, int);
1837 void	 screen_write_carriagereturn(struct screen_write_ctx *);
1838 void	 screen_write_kcursormode(struct screen_write_ctx *, int);
1839 void	 screen_write_kkeypadmode(struct screen_write_ctx *, int);
1840 void	 screen_write_clearendofscreen(struct screen_write_ctx *);
1841 void	 screen_write_clearstartofscreen(struct screen_write_ctx *);
1842 void	 screen_write_clearscreen(struct screen_write_ctx *);
1843 void	 screen_write_cell(struct screen_write_ctx *,
1844 	     const struct grid_cell *, const struct utf8_data *);
1845 void	 screen_write_setselection(struct screen_write_ctx *, u_char *, u_int);
1846 void	 screen_write_rawstring(struct screen_write_ctx *, u_char *, u_int);
1847 
1848 /* screen-redraw.c */
1849 void	 screen_redraw_screen(struct client *, int, int);
1850 void	 screen_redraw_pane(struct client *, struct window_pane *);
1851 
1852 /* screen.c */
1853 void	 screen_init(struct screen *, u_int, u_int, u_int);
1854 void	 screen_reinit(struct screen *);
1855 void	 screen_free(struct screen *);
1856 void	 screen_reset_tabs(struct screen *);
1857 void	 screen_set_cursor_style(struct screen *, u_int);
1858 void	 screen_set_cursor_colour(struct screen *, const char *);
1859 void	 screen_set_title(struct screen *, const char *);
1860 void	 screen_resize(struct screen *, u_int, u_int);
1861 void	 screen_set_selection(struct screen *,
1862 	     u_int, u_int, u_int, u_int, u_int, struct grid_cell *);
1863 void	 screen_clear_selection(struct screen *);
1864 int	 screen_check_selection(struct screen *, u_int, u_int);
1865 
1866 /* window.c */
1867 extern struct windows windows;
1868 extern struct window_pane_tree all_window_panes;
1869 int		 winlink_cmp(struct winlink *, struct winlink *);
1870 RB_PROTOTYPE(winlinks, winlink, entry, winlink_cmp);
1871 int		 window_pane_cmp(struct window_pane *, struct window_pane *);
1872 RB_PROTOTYPE(window_pane_tree, window_pane, tree_entry, window_pane_cmp);
1873 struct winlink	*winlink_find_by_index(struct winlinks *, int);
1874 struct winlink	*winlink_find_by_window(struct winlinks *, struct window *);
1875 int		 winlink_next_index(struct winlinks *, int);
1876 u_int		 winlink_count(struct winlinks *);
1877 struct winlink	*winlink_add(struct winlinks *, int);
1878 void		 winlink_set_window(struct winlink *, struct window *);
1879 void		 winlink_remove(struct winlinks *, struct winlink *);
1880 struct winlink	*winlink_next(struct winlink *);
1881 struct winlink	*winlink_previous(struct winlink *);
1882 struct winlink	*winlink_next_by_number(struct winlink *, struct session *,
1883 		     int);
1884 struct winlink	*winlink_previous_by_number(struct winlink *, struct session *,
1885 		     int);
1886 void		 winlink_stack_push(struct winlink_stack *, struct winlink *);
1887 void		 winlink_stack_remove(struct winlink_stack *, struct winlink *);
1888 int		 window_index(struct window *, u_int *);
1889 struct window	*window_create1(u_int, u_int);
1890 struct window	*window_create(const char *, const char *, const char *,
1891 		     const char *, struct environ *, struct termios *,
1892 		     u_int, u_int, u_int, char **);
1893 void		 window_destroy(struct window *);
1894 struct window_pane *window_get_active_at(struct window *, u_int, u_int);
1895 void		 window_set_active_at(struct window *, u_int, u_int);
1896 struct window_pane *window_find_string(struct window *, const char *);
1897 void		 window_set_active_pane(struct window *, struct window_pane *);
1898 struct window_pane *window_add_pane(struct window *, u_int);
1899 void		 window_resize(struct window *, u_int, u_int);
1900 void		 window_remove_pane(struct window *, struct window_pane *);
1901 struct window_pane *window_pane_at_index(struct window *, u_int);
1902 struct window_pane *window_pane_next_by_number(struct window *,
1903 		        struct window_pane *, u_int);
1904 struct window_pane *window_pane_previous_by_number(struct window *,
1905 		        struct window_pane *, u_int);
1906 u_int		 window_pane_index(struct window *, struct window_pane *);
1907 u_int		 window_count_panes(struct window *);
1908 void		 window_destroy_panes(struct window *);
1909 struct window_pane *window_pane_find_by_id(u_int);
1910 struct window_pane *window_pane_create(struct window *, u_int, u_int, u_int);
1911 void		 window_pane_destroy(struct window_pane *);
1912 int		 window_pane_spawn(struct window_pane *, const char *,
1913 		     const char *, const char *, struct environ *,
1914 		     struct termios *, char **);
1915 void		 window_pane_resize(struct window_pane *, u_int, u_int);
1916 void		 window_pane_alternate_on(
1917 		     struct window_pane *, struct grid_cell *);
1918 void		 window_pane_alternate_off(
1919 		     struct window_pane *, struct grid_cell *);
1920 int		 window_pane_set_mode(
1921 		     struct window_pane *, const struct window_mode *);
1922 void		 window_pane_reset_mode(struct window_pane *);
1923 void		 window_pane_key(struct window_pane *, struct session *, int);
1924 void		 window_pane_mouse(struct window_pane *,
1925 		     struct session *, struct mouse_event *);
1926 int		 window_pane_visible(struct window_pane *);
1927 char		*window_pane_search(
1928 		     struct window_pane *, const char *, u_int *);
1929 char		*window_printable_flags(struct session *, struct winlink *);
1930 
1931 struct window_pane *window_pane_find_up(struct window_pane *);
1932 struct window_pane *window_pane_find_down(struct window_pane *);
1933 struct window_pane *window_pane_find_left(struct window_pane *);
1934 struct window_pane *window_pane_find_right(struct window_pane *);
1935 
1936 /* layout.c */
1937 u_int		 layout_count_cells(struct layout_cell *);
1938 struct layout_cell *layout_create_cell(struct layout_cell *);
1939 void		 layout_free_cell(struct layout_cell *);
1940 void		 layout_print_cell(struct layout_cell *, const char *, u_int);
1941 void		 layout_destroy_cell(struct layout_cell *, struct layout_cell **);
1942 void		 layout_set_size(
1943 		     struct layout_cell *, u_int, u_int, u_int, u_int);
1944 void		 layout_make_leaf(
1945 		     struct layout_cell *, struct window_pane *);
1946 void		 layout_make_node(struct layout_cell *, enum layout_type);
1947 void		 layout_fix_offsets(struct layout_cell *);
1948 void		 layout_fix_panes(struct window *, u_int, u_int);
1949 u_int		 layout_resize_check(struct layout_cell *, enum layout_type);
1950 void		 layout_resize_adjust(
1951 		     struct layout_cell *, enum layout_type, int);
1952 void		 layout_init(struct window *);
1953 void		 layout_free(struct window *);
1954 void		 layout_resize(struct window *, u_int, u_int);
1955 void		 layout_resize_pane(
1956 		     struct window_pane *, enum layout_type, int);
1957 void		 layout_resize_pane_mouse(
1958 		     struct client *c, struct mouse_event *mouse);
1959 void		 layout_assign_pane(struct layout_cell *, struct window_pane *);
1960 struct layout_cell *layout_split_pane(
1961 		     struct window_pane *, enum layout_type, int);
1962 void		 layout_close_pane(struct window_pane *);
1963 
1964 /* layout-custom.c */
1965 char		*layout_dump(struct window *);
1966 int		 layout_parse(struct window *, const char *);
1967 
1968 /* layout-set.c */
1969 const char	*layout_set_name(u_int);
1970 int		 layout_set_lookup(const char *);
1971 u_int		 layout_set_select(struct window *, u_int);
1972 u_int		 layout_set_next(struct window *);
1973 u_int		 layout_set_previous(struct window *);
1974 void		 layout_set_active_changed(struct window *);
1975 
1976 /* window-clock.c */
1977 extern const struct window_mode window_clock_mode;
1978 
1979 /* window-copy.c */
1980 extern const struct window_mode window_copy_mode;
1981 void		 window_copy_init_from_pane(struct window_pane *);
1982 void		 window_copy_init_for_output(struct window_pane *);
1983 void		 window_copy_add(struct window_pane *, const char *, ...);
1984 void		 window_copy_vadd(struct window_pane *, const char *, va_list);
1985 void		 window_copy_pageup(struct window_pane *);
1986 
1987 /* window-choose.c */
1988 extern const struct window_mode window_choose_mode;
1989 void		 window_choose_vadd(
1990 		     struct window_pane *, int, const char *, va_list);
1991 void printflike3 window_choose_add(
1992 		     struct window_pane *, int, const char *, ...);
1993 void		 window_choose_ready(struct window_pane *,
1994 		     u_int, void (*)(void *, int), void (*)(void *), void *);
1995 
1996 /* names.c */
1997 void		 queue_window_name(struct window *);
1998 char		*default_window_name(struct window *);
1999 
2000 /* signal.c */
2001 void set_signals(void(*)(int, short, void *));
2002 void clear_signals(int);
2003 
2004 /* session.c */
2005 extern struct sessions sessions;
2006 extern struct sessions dead_sessions;
2007 extern struct session_groups session_groups;
2008 int	session_cmp(struct session *, struct session *);
2009 RB_PROTOTYPE(sessions, session, entry, session_cmp);
2010 int		 session_alive(struct session *);
2011 struct session	*session_find(const char *);
2012 struct session	*session_find_by_index(u_int);
2013 struct session	*session_create(const char *, const char *, const char *,
2014 		     struct environ *, struct termios *, int, u_int, u_int,
2015 		     char **);
2016 void		 session_destroy(struct session *);
2017 int		 session_check_name(const char *);
2018 void		 session_update_activity(struct session *);
2019 struct session	*session_next_session(struct session *);
2020 struct session	*session_previous_session(struct session *);
2021 struct winlink	*session_new(struct session *,
2022 		     const char *, const char *, const char *, int, char **);
2023 struct winlink	*session_attach(
2024 		     struct session *, struct window *, int, char **);
2025 int		 session_detach(struct session *, struct winlink *);
2026 struct winlink*	 session_has(struct session *, struct window *);
2027 int		 session_next(struct session *, int);
2028 int		 session_previous(struct session *, int);
2029 int		 session_select(struct session *, int);
2030 int		 session_last(struct session *);
2031 struct session_group *session_group_find(struct session *);
2032 u_int		 session_group_index(struct session_group *);
2033 void		 session_group_add(struct session *, struct session *);
2034 void		 session_group_remove(struct session *);
2035 void		 session_group_synchronize_to(struct session *);
2036 void		 session_group_synchronize_from(struct session *);
2037 void		 session_group_synchronize1(struct session *, struct session *);
2038 
2039 /* utf8.c */
2040 void	utf8_build(void);
2041 int	utf8_open(struct utf8_data *, u_char);
2042 int	utf8_append(struct utf8_data *, u_char);
2043 u_int	utf8_combine(const struct utf8_data *);
2044 u_int	utf8_split2(u_int, u_char *);
2045 
2046 /* osdep-*.c */
2047 char		*osdep_get_name(int, char *);
2048 struct event_base *osdep_event_init(void);
2049 
2050 /* log.c */
2051 void		 log_open_tty(int);
2052 void		 log_open_file(int, const char *);
2053 void		 log_close(void);
2054 void printflike1 log_warn(const char *, ...);
2055 void printflike1 log_warnx(const char *, ...);
2056 void printflike1 log_info(const char *, ...);
2057 void printflike1 log_debug(const char *, ...);
2058 void printflike1 log_debug2(const char *, ...);
2059 __dead void printflike1 log_fatal(const char *, ...);
2060 __dead void printflike1 log_fatalx(const char *, ...);
2061 
2062 /* xmalloc.c */
2063 char		*xstrdup(const char *);
2064 void		*xcalloc(size_t, size_t);
2065 void		*xmalloc(size_t);
2066 void		*xrealloc(void *, size_t, size_t);
2067 void		 xfree(void *);
2068 int printflike2	 xasprintf(char **, const char *, ...);
2069 int		 xvasprintf(char **, const char *, va_list);
2070 int printflike3	 xsnprintf(char *, size_t, const char *, ...);
2071 int		 xvsnprintf(char *, size_t, const char *, va_list);
2072 
2073 /* utmp.c */
2074 struct window_utmp *utmp_create(const char *);
2075 void		 utmp_destroy(struct window_utmp *);
2076 
2077 #endif /* TMUX_H */
2078