tmux.h

   1 /* $OpenBSD$ */
   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/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 configuration files. */
  47 #define DEFAULT_CFG ".tmux.conf"
  48 #define SYSTEM_CFG "/etc/tmux.conf"
  49
  50 /* Default prompt history length. */
  51 #define PROMPT_HISTORY 100
  52
  53 /*
  54  * Minimum layout cell size, NOT including separator line. The scroll region
  55  * cannot be one line in height so this must be at least two.
  56  */
  57 #define PANE_MINIMUM 2
  58
  59 /* Automatic name refresh interval, in milliseconds. */
  60 #define NAME_INTERVAL 500
  61
  62 /* Maximum data to buffer for output before suspending writing to a tty. */
  63 #define BACKOFF_THRESHOLD 16384
  64
  65 /*
  66  * Maximum sizes of strings in message data. Don't forget to bump
  67  * PROTOCOL_VERSION if any of these change!
  68  */
  69 #define COMMAND_LENGTH 2048     /* packed argv size */
  70 #define TERMINAL_LENGTH 128     /* length of TERM environment variable */
  71 #define ENVIRON_LENGTH 1024     /* environment variable length */
  72
  73 /*
  74  * UTF-8 data size. This must be big enough to hold combined characters as well
  75  * as single.
  76  */
  77 #define UTF8_SIZE 9
  78
  79 /* Fatal errors. */
  80 #define fatal(msg) log_fatal("%s: %s", __func__, msg);
  81 #define fatalx(msg) log_fatalx("%s: %s", __func__, msg);
  82
  83 /* Definition to shut gcc up about unused arguments. */
  84 #define unused __attribute__ ((unused))
  85
  86 /* Attribute to make gcc check printf-like arguments. */
  87 #define printflike1 __attribute__ ((format (printf, 1, 2)))
  88 #define printflike2 __attribute__ ((format (printf, 2, 3)))
  89 #define printflike3 __attribute__ ((format (printf, 3, 4)))
  90 #define printflike4 __attribute__ ((format (printf, 4, 5)))
  91 #define printflike5 __attribute__ ((format (printf, 5, 6)))
  92
  93 /* Number of items in array. */
  94 #ifndef nitems
  95 #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
  96 #endif
  97
  98 /* Bell option values. */
  99 #define BELL_NONE 0
 100 #define BELL_ANY 1
 101 #define BELL_CURRENT 2
 102
 103 /* Special key codes. */
 104 #define KEYC_NONE 0xfff
 105 #define KEYC_BASE 0x1000
 106
 107 /* Key modifier bits. */
 108 #define KEYC_ESCAPE 0x2000
 109 #define KEYC_CTRL 0x4000
 110 #define KEYC_SHIFT 0x8000
 111 #define KEYC_PREFIX 0x10000
 112
 113 /* Mask to obtain key w/o modifiers. */
 114 #define KEYC_MASK_MOD (KEYC_ESCAPE|KEYC_CTRL|KEYC_SHIFT|KEYC_PREFIX)
 115 #define KEYC_MASK_KEY (~KEYC_MASK_MOD)
 116
 117 /* Other key codes. */
 118 enum key_code {
 119         /* Mouse key. */
 120         KEYC_MOUSE = KEYC_BASE,
 121
 122         /* Backspace key. */
 123         KEYC_BSPACE,
 124
 125         /* Function keys. */
 126         KEYC_F1,
 127         KEYC_F2,
 128         KEYC_F3,
 129         KEYC_F4,
 130         KEYC_F5,
 131         KEYC_F6,
 132         KEYC_F7,
 133         KEYC_F8,
 134         KEYC_F9,
 135         KEYC_F10,
 136         KEYC_F11,
 137         KEYC_F12,
 138         KEYC_F13,
 139         KEYC_F14,
 140         KEYC_F15,
 141         KEYC_F16,
 142         KEYC_F17,
 143         KEYC_F18,
 144         KEYC_F19,
 145         KEYC_F20,
 146         KEYC_IC,
 147         KEYC_DC,
 148         KEYC_HOME,
 149         KEYC_END,
 150         KEYC_NPAGE,
 151         KEYC_PPAGE,
 152         KEYC_BTAB,
 153
 154         /* Arrow keys. */
 155         KEYC_UP,
 156         KEYC_DOWN,
 157         KEYC_LEFT,
 158         KEYC_RIGHT,
 159
 160         /* Numeric keypad. */
 161         KEYC_KP_SLASH,
 162         KEYC_KP_STAR,
 163         KEYC_KP_MINUS,
 164         KEYC_KP_SEVEN,
 165         KEYC_KP_EIGHT,
 166         KEYC_KP_NINE,
 167         KEYC_KP_PLUS,
 168         KEYC_KP_FOUR,
 169         KEYC_KP_FIVE,
 170         KEYC_KP_SIX,
 171         KEYC_KP_ONE,
 172         KEYC_KP_TWO,
 173         KEYC_KP_THREE,
 174         KEYC_KP_ENTER,
 175         KEYC_KP_ZERO,
 176         KEYC_KP_PERIOD,
 177 };
 178
 179 /* Termcap codes. */
 180 enum tty_code_code {
 181         TTYC_AX = 0,
 182         TTYC_ACSC,      /* acs_chars, ac */
 183         TTYC_BEL,       /* bell, bl */
 184         TTYC_BLINK,     /* enter_blink_mode, mb */
 185         TTYC_BOLD,      /* enter_bold_mode, md */
 186         TTYC_CIVIS,     /* cursor_invisible, vi */
 187         TTYC_CLEAR,     /* clear_screen, cl */
 188         TTYC_CNORM,     /* cursor_normal, ve */
 189         TTYC_COLORS,    /* max_colors, Co */
 190         TTYC_CSR,       /* change_scroll_region, cs */
 191         TTYC_CUB,       /* parm_left_cursor, LE */
 192         TTYC_CUB1,      /* cursor_left, le */
 193         TTYC_CUD,       /* parm_down_cursor, DO */
 194         TTYC_CUD1,      /* cursor_down, do */
 195         TTYC_CUF,       /* parm_right_cursor, RI */
 196         TTYC_CUF1,      /* cursor_right, nd */
 197         TTYC_CUP,       /* cursor_address, cm */
 198         TTYC_CUU,       /* parm_up_cursor, UP */
 199         TTYC_CUU1,      /* cursor_up, up */
 200         TTYC_DCH,       /* parm_dch, DC */
 201         TTYC_DCH1,      /* delete_character, dc */
 202         TTYC_DIM,       /* enter_dim_mode, mh */
 203         TTYC_DL,        /* parm_delete_line, DL */
 204         TTYC_DL1,       /* delete_line, dl */
 205         TTYC_EL,        /* clr_eol, ce */
 206         TTYC_EL1,       /* clr_bol, cb */
 207         TTYC_ENACS,     /* ena_acs, eA */
 208         TTYC_HOME,      /* cursor_home, ho */
 209         TTYC_HPA,       /* column_address, ch */
 210         TTYC_ICH,       /* parm_ich, IC */
 211         TTYC_ICH1,      /* insert_character, ic */
 212         TTYC_IL,        /* parm_insert_line, IL */
 213         TTYC_IL1,       /* insert_line, il */
 214         TTYC_INVIS,     /* enter_secure_mode, mk */
 215         TTYC_IS1,       /* init_1string, i1 */
 216         TTYC_IS2,       /* init_2string, i2 */
 217         TTYC_IS3,       /* init_3string, i3 */
 218         TTYC_KCBT,      /* key_btab, kB */
 219         TTYC_KCUB1,     /* key_left, kl */
 220         TTYC_KCUD1,     /* key_down, kd */
 221         TTYC_KCUF1,     /* key_right, kr */
 222         TTYC_KCUU1,     /* key_up, ku */
 223         TTYC_KDC2,
 224         TTYC_KDC3,
 225         TTYC_KDC4,
 226         TTYC_KDC5,
 227         TTYC_KDC6,
 228         TTYC_KDC7,
 229         TTYC_KDCH1,     /* key_dc, kD */
 230         TTYC_KDN2,
 231         TTYC_KDN3,
 232         TTYC_KDN4,
 233         TTYC_KDN5,
 234         TTYC_KDN6,
 235         TTYC_KDN7,
 236         TTYC_KEND,      /* key_end, ke */
 237         TTYC_KEND2,
 238         TTYC_KEND3,
 239         TTYC_KEND4,
 240         TTYC_KEND5,
 241         TTYC_KEND6,
 242         TTYC_KEND7,
 243         TTYC_KF1,       /* key_f1, k1 */
 244         TTYC_KF10,      /* key_f10, k; */
 245         TTYC_KF11,      /* key_f11, F1 */
 246         TTYC_KF12,      /* key_f12, F2 */
 247         TTYC_KF13,      /* key_f13, F3 */
 248         TTYC_KF14,      /* key_f14, F4 */
 249         TTYC_KF15,      /* key_f15, F5 */
 250         TTYC_KF16,      /* key_f16, F6 */
 251         TTYC_KF17,      /* key_f17, F7 */
 252         TTYC_KF18,      /* key_f18, F8 */
 253         TTYC_KF19,      /* key_f19, F9 */
 254         TTYC_KF2,       /* key_f2, k2 */
 255         TTYC_KF20,      /* key_f20, F10 */
 256         TTYC_KF3,       /* key_f3, k3 */
 257         TTYC_KF4,       /* key_f4, k4 */
 258         TTYC_KF5,       /* key_f5, k5 */
 259         TTYC_KF6,       /* key_f6, k6 */
 260         TTYC_KF7,       /* key_f7, k7 */
 261         TTYC_KF8,       /* key_f8, k8 */
 262         TTYC_KF9,       /* key_f9, k9 */
 263         TTYC_KHOM2,
 264         TTYC_KHOM3,
 265         TTYC_KHOM4,
 266         TTYC_KHOM5,
 267         TTYC_KHOM6,
 268         TTYC_KHOM7,
 269         TTYC_KHOME,     /* key_home, kh */
 270         TTYC_KIC2,
 271         TTYC_KIC3,
 272         TTYC_KIC4,
 273         TTYC_KIC5,
 274         TTYC_KIC6,
 275         TTYC_KIC7,
 276         TTYC_KICH1,     /* key_ic, kI */
 277         TTYC_KLFT2,
 278         TTYC_KLFT3,
 279         TTYC_KLFT4,
 280         TTYC_KLFT5,
 281         TTYC_KLFT6,
 282         TTYC_KLFT7,
 283         TTYC_KMOUS,     /* key_mouse, Km */
 284         TTYC_KNP,       /* key_npage, kN */
 285         TTYC_KNXT2,
 286         TTYC_KNXT3,
 287         TTYC_KNXT4,
 288         TTYC_KNXT5,
 289         TTYC_KNXT6,
 290         TTYC_KNXT7,
 291         TTYC_KPP,       /* key_ppage, kP */
 292         TTYC_KPRV2,
 293         TTYC_KPRV3,
 294         TTYC_KPRV4,
 295         TTYC_KPRV5,
 296         TTYC_KPRV6,
 297         TTYC_KPRV7,
 298         TTYC_KRIT2,
 299         TTYC_KRIT3,
 300         TTYC_KRIT4,
 301         TTYC_KRIT5,
 302         TTYC_KRIT6,
 303         TTYC_KRIT7,
 304         TTYC_KUP2,
 305         TTYC_KUP3,
 306         TTYC_KUP4,
 307         TTYC_KUP5,
 308         TTYC_KUP6,
 309         TTYC_KUP7,
 310         TTYC_OP,        /* orig_pair, op */
 311         TTYC_REV,       /* enter_reverse_mode, mr */
 312         TTYC_RI,        /* scroll_reverse, sr */
 313         TTYC_RMACS,     /* exit_alt_charset_mode */
 314         TTYC_RMCUP,     /* exit_ca_mode, te */
 315         TTYC_RMIR,      /* exit_insert_mode, ei */
 316         TTYC_RMKX,      /* keypad_local, ke */
 317         TTYC_SETAB,     /* set_a_background, AB */
 318         TTYC_SETAF,     /* set_a_foreground, AF */
 319         TTYC_SGR0,      /* exit_attribute_mode, me */
 320         TTYC_SMACS,     /* enter_alt_charset_mode, as */
 321         TTYC_SMCUP,     /* enter_ca_mode, ti */
 322         TTYC_SMIR,      /* enter_insert_mode, im */
 323         TTYC_SMKX,      /* keypad_xmit, ks */
 324         TTYC_SMSO,      /* enter_standout_mode, so */
 325         TTYC_SMUL,      /* enter_underline_mode, us */
 326         TTYC_VPA,       /* row_address, cv */
 327         TTYC_XENL,      /* eat_newline_glitch, xn */
 328 };
 329 #define NTTYCODE (TTYC_XENL + 1)
 330
 331 /* Termcap types. */
 332 enum tty_code_type {
 333         TTYCODE_NONE = 0,
 334         TTYCODE_STRING,
 335         TTYCODE_NUMBER,
 336         TTYCODE_FLAG,
 337 };
 338
 339 /* Termcap code. */
 340 struct tty_code {
 341         enum tty_code_type      type;
 342         union {
 343                 char           *string;
 344                 int             number;
 345                 int             flag;
 346         } value;
 347 };
 348
 349 /* Entry in terminal code table. */
 350 struct tty_term_code_entry {
 351         enum tty_code_code      code;
 352         enum tty_code_type      type;
 353         const char             *name;
 354 };
 355
 356 /* Message codes. */
 357 enum msgtype {
 358         MSG_COMMAND,
 359         MSG_DETACH,
 360         MSG_ERROR,
 361         MSG_EXIT,
 362         MSG_EXITED,
 363         MSG_EXITING,
 364         MSG_IDENTIFY,
 365         MSG_PRINT,
 366         MSG_READY,
 367         MSG_RESIZE,
 368         MSG_SHUTDOWN,
 369         MSG_SUSPEND,
 370         MSG_VERSION,
 371         MSG_WAKEUP,
 372         MSG_ENVIRON,
 373         MSG_UNLOCK,
 374         MSG_LOCK,
 375         MSG_SHELL,
 376         MSG_STDERR,
 377         MSG_STDOUT,
 378         MSG_DETACHKILL
 379 };
 380
 381 /*
 382  * Message data.
 383  *
 384  * Don't forget to bump PROTOCOL_VERSION if any of these change!
 385  */
 386 struct msg_command_data {
 387         pid_t           pid;    /* PID from $TMUX or -1 */
 388         int             idx;    /* index from $TMUX or -1 */
 389
 390         int             argc;
 391         char            argv[COMMAND_LENGTH];
 392 };
 393
 394 struct msg_identify_data {
 395         char            cwd[MAXPATHLEN];
 396
 397         char            term[TERMINAL_LENGTH];
 398
 399 #define IDENTIFY_UTF8 0x1
 400 #define IDENTIFY_256COLOURS 0x2
 401 #define IDENTIFY_88COLOURS 0x4
 402         int             flags;
 403 };
 404
 405 struct msg_lock_data {
 406         char            cmd[COMMAND_LENGTH];
 407 };
 408
 409 struct msg_environ_data {
 410         char            var[ENVIRON_LENGTH];
 411 };
 412
 413 struct msg_shell_data {
 414         char            shell[MAXPATHLEN];
 415 };
 416
 417 struct msg_exit_data {
 418         int             retcode;
 419 };
 420
 421 /* Mode key commands. */
 422 enum mode_key_cmd {
 423         MODEKEY_NONE,
 424         MODEKEY_OTHER,
 425
 426         /* Editing keys. */
 427         MODEKEYEDIT_BACKSPACE,
 428         MODEKEYEDIT_CANCEL,
 429         MODEKEYEDIT_COMPLETE,
 430         MODEKEYEDIT_CURSORLEFT,
 431         MODEKEYEDIT_CURSORRIGHT,
 432         MODEKEYEDIT_DELETE,
 433         MODEKEYEDIT_DELETELINE,
 434         MODEKEYEDIT_DELETETOENDOFLINE,
 435         MODEKEYEDIT_ENDOFLINE,
 436         MODEKEYEDIT_ENTER,
 437         MODEKEYEDIT_HISTORYDOWN,
 438         MODEKEYEDIT_HISTORYUP,
 439         MODEKEYEDIT_PASTE,
 440         MODEKEYEDIT_STARTOFLINE,
 441         MODEKEYEDIT_SWITCHMODE,
 442         MODEKEYEDIT_SWITCHMODEAPPEND,
 443         MODEKEYEDIT_TRANSPOSECHARS,
 444
 445         /* Menu (choice) keys. */
 446         MODEKEYCHOICE_CANCEL,
 447         MODEKEYCHOICE_CHOOSE,
 448         MODEKEYCHOICE_DOWN,
 449         MODEKEYCHOICE_PAGEDOWN,
 450         MODEKEYCHOICE_PAGEUP,
 451         MODEKEYCHOICE_SCROLLDOWN,
 452         MODEKEYCHOICE_SCROLLUP,
 453         MODEKEYCHOICE_UP,
 454
 455         /* Copy keys. */
 456         MODEKEYCOPY_BACKTOINDENTATION,
 457         MODEKEYCOPY_BOTTOMLINE,
 458         MODEKEYCOPY_CANCEL,
 459         MODEKEYCOPY_CLEARSELECTION,
 460         MODEKEYCOPY_COPYSELECTION,
 461         MODEKEYCOPY_DOWN,
 462         MODEKEYCOPY_ENDOFLINE,
 463         MODEKEYCOPY_GOTOLINE,
 464         MODEKEYCOPY_HALFPAGEDOWN,
 465         MODEKEYCOPY_HALFPAGEUP,
 466         MODEKEYCOPY_HISTORYBOTTOM,
 467         MODEKEYCOPY_HISTORYTOP,
 468         MODEKEYCOPY_JUMP,
 469         MODEKEYCOPY_JUMPAGAIN,
 470         MODEKEYCOPY_JUMPREVERSE,
 471         MODEKEYCOPY_JUMPBACK,
 472         MODEKEYCOPY_LEFT,
 473         MODEKEYCOPY_MIDDLELINE,
 474         MODEKEYCOPY_NEXTPAGE,
 475         MODEKEYCOPY_NEXTSPACE,
 476         MODEKEYCOPY_NEXTSPACEEND,
 477         MODEKEYCOPY_NEXTWORD,
 478         MODEKEYCOPY_NEXTWORDEND,
 479         MODEKEYCOPY_PREVIOUSPAGE,
 480         MODEKEYCOPY_PREVIOUSSPACE,
 481         MODEKEYCOPY_PREVIOUSWORD,
 482         MODEKEYCOPY_RECTANGLETOGGLE,
 483         MODEKEYCOPY_RIGHT,
 484         MODEKEYCOPY_SCROLLDOWN,
 485         MODEKEYCOPY_SCROLLUP,
 486         MODEKEYCOPY_SEARCHAGAIN,
 487         MODEKEYCOPY_SEARCHDOWN,
 488         MODEKEYCOPY_SEARCHREVERSE,
 489         MODEKEYCOPY_SEARCHUP,
 490         MODEKEYCOPY_STARTNUMBERPREFIX,
 491         MODEKEYCOPY_STARTOFLINE,
 492         MODEKEYCOPY_STARTSELECTION,
 493         MODEKEYCOPY_TOPLINE,
 494         MODEKEYCOPY_UP,
 495 };
 496
 497 /* Entry in the default mode key tables. */
 498 struct mode_key_entry {
 499         int                     key;
 500
 501         /*
 502          * Editing mode for vi: 0 is edit mode, keys not in the table are
 503          * returned as MODEKEY_OTHER; 1 is command mode, keys not in the table
 504          * are returned as MODEKEY_NONE. This is also matched on, allowing some
 505          * keys to be bound in edit mode.
 506          */
 507         int                     mode;
 508         enum mode_key_cmd       cmd;
 509 };
 510
 511 /* Data required while mode keys are in use. */
 512 struct mode_key_data {
 513         struct mode_key_tree   *tree;
 514         int                     mode;
 515 };
 516 #define MODEKEY_EMACS 0
 517 #define MODEKEY_VI 1
 518
 519 /* Binding between a key and a command. */
 520 struct mode_key_binding {
 521         int                     key;
 522
 523         int                     mode;
 524         enum mode_key_cmd       cmd;
 525
 526         SPLAY_ENTRY(mode_key_binding) entry;
 527 };
 528 SPLAY_HEAD(mode_key_tree, mode_key_binding);
 529
 530 /* Command to string mapping. */
 531 struct mode_key_cmdstr {
 532         enum mode_key_cmd        cmd;
 533         const char              *name;
 534 };
 535
 536 /* Named mode key table description. */
 537 struct mode_key_table {
 538         const char                      *name;
 539         const struct mode_key_cmdstr    *cmdstr;
 540         struct mode_key_tree            *tree;
 541         const struct mode_key_entry     *table; /* default entries */
 542 };
 543
 544 /* Modes. */
 545 #define MODE_CURSOR 0x1
 546 #define MODE_INSERT 0x2
 547 #define MODE_KCURSOR 0x4
 548 #define MODE_KKEYPAD 0x8        /* set = application, clear = number */
 549 #define MODE_WRAP 0x10          /* whether lines wrap */
 550 #define MODE_MOUSE_STANDARD 0x20
 551 #define MODE_MOUSE_BUTTON 0x40
 552 #define MODE_MOUSE_ANY 0x80
 553 #define MODE_MOUSE_UTF8 0x100
 554
 555 #define ALL_MOUSE_MODES (MODE_MOUSE_STANDARD|MODE_MOUSE_BUTTON|MODE_MOUSE_ANY)
 556
 557 /*
 558  * A single UTF-8 character.
 559  *
 560  * The data member in this must be UTF8_SIZE to allow screen_write_copy to
 561  * reinject stored UTF-8 data back into screen_write_cell after combining (ugh
 562  * XXX XXX).
 563  */
 564 struct utf8_data {
 565         u_char  data[UTF8_SIZE];
 566
 567         size_t  have;
 568         size_t  size;
 569
 570         u_int   width;
 571 };
 572
 573 /* Grid output. */
 574 #if defined(DEBUG) && \
 575     ((defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
 576      (defined(__GNUC__) && __GNUC__ >= 3))
 577 #define GRID_DEBUG(gd, fmt, ...) log_debug2("%s: (sx=%u, sy=%u, hsize=%u) " \
 578     fmt, __func__, (gd)->sx, (gd)->sy, (gd)->hsize, ## __VA_ARGS__)
 579 #else
 580 #define GRID_DEBUG(...)
 581 #endif
 582
 583 /* Grid attributes. */
 584 #define GRID_ATTR_BRIGHT 0x1
 585 #define GRID_ATTR_DIM 0x2
 586 #define GRID_ATTR_UNDERSCORE 0x4
 587 #define GRID_ATTR_BLINK 0x8
 588 #define GRID_ATTR_REVERSE 0x10
 589 #define GRID_ATTR_HIDDEN 0x20
 590 #define GRID_ATTR_ITALICS 0x40
 591 #define GRID_ATTR_CHARSET 0x80  /* alternative character set */
 592
 593 /* Grid flags. */
 594 #define GRID_FLAG_FG256 0x1
 595 #define GRID_FLAG_BG256 0x2
 596 #define GRID_FLAG_PADDING 0x4
 597 #define GRID_FLAG_UTF8 0x8
 598
 599 /* Grid line flags. */
 600 #define GRID_LINE_WRAPPED 0x1
 601
 602 /* Grid cell data. */
 603 struct grid_cell {
 604         u_char  attr;
 605         u_char  flags;
 606         u_char  fg;
 607         u_char  bg;
 608         u_char  data;
 609 } __packed;
 610
 611 /* Grid cell UTF-8 data. Used instead of data in grid_cell for UTF-8 cells. */
 612 struct grid_utf8 {
 613         u_char  width;
 614         u_char  data[UTF8_SIZE];
 615 } __packed;
 616
 617 /* Grid line. */
 618 struct grid_line {
 619         u_int   cellsize;
 620         struct grid_cell *celldata;
 621
 622         u_int   utf8size;
 623         struct grid_utf8 *utf8data;
 624
 625         int     flags;
 626 } __packed;
 627
 628 /* Entire grid of cells. */
 629 struct grid {
 630         int     flags;
 631 #define GRID_HISTORY 0x1        /* scroll lines into history */
 632
 633         u_int   sx;
 634         u_int   sy;
 635
 636         u_int   hsize;
 637         u_int   hlimit;
 638
 639         struct grid_line *linedata;
 640 };
 641
 642 /* Option data structures. */
 643 struct options_entry {
 644         char            *name;
 645
 646         enum {
 647                 OPTIONS_STRING,
 648                 OPTIONS_NUMBER,
 649                 OPTIONS_DATA,
 650         } type;
 651
 652         char            *str;
 653         long long        num;
 654         void            *data;
 655
 656         void             (*freefn)(void *);
 657
 658         SPLAY_ENTRY(options_entry) entry;
 659 };
 660
 661 struct options {
 662         SPLAY_HEAD(options_tree, options_entry) tree;
 663         struct options  *parent;
 664 };
 665
 666 /* Key list for prefix option. */
 667 ARRAY_DECL(keylist, int);
 668
 669 /* Scheduled job. */
 670 struct job {
 671         char            *cmd;
 672         pid_t            pid;
 673         int              status;
 674
 675         int              fd;
 676         struct bufferevent *event;
 677
 678         void            (*callbackfn)(struct job *);
 679         void            (*freefn)(void *);
 680         void            *data;
 681
 682         LIST_ENTRY(job)  lentry;
 683 };
 684 LIST_HEAD(joblist, job);
 685
 686 /* Screen selection. */
 687 struct screen_sel {
 688         int              flag;
 689         int              rectflag;
 690
 691         u_int            sx;
 692         u_int            sy;
 693
 694         u_int            ex;
 695         u_int            ey;
 696
 697         struct grid_cell cell;
 698 };
 699
 700 /* Virtual screen. */
 701 struct screen {
 702         char            *title;
 703
 704         struct grid     *grid;          /* grid data */
 705
 706         u_int            cx;            /* cursor x */
 707         u_int            cy;            /* cursor y */
 708
 709         u_int            rupper;        /* scroll region top */
 710         u_int            rlower;        /* scroll region bottom */
 711
 712         int              mode;
 713
 714         bitstr_t        *tabs;
 715
 716         struct screen_sel sel;
 717 };
 718
 719 /* Screen write context. */
 720 struct screen_write_ctx {
 721         struct window_pane *wp;
 722         struct screen   *s;
 723 };
 724
 725 /* Screen size. */
 726 #define screen_size_x(s) ((s)->grid->sx)
 727 #define screen_size_y(s) ((s)->grid->sy)
 728 #define screen_hsize(s) ((s)->grid->hsize)
 729 #define screen_hlimit(s) ((s)->grid->hlimit)
 730
 731 /* Input parser context. */
 732 struct input_ctx {
 733         struct window_pane     *wp;
 734         struct screen_write_ctx ctx;
 735
 736         struct grid_cell        cell;
 737
 738         struct grid_cell        old_cell;
 739         u_int                   old_cx;
 740         u_int                   old_cy;
 741
 742         u_char                  interm_buf[4];
 743         size_t                  interm_len;
 744
 745         u_char                  param_buf[64];
 746         size_t                  param_len;
 747
 748         u_char                  input_buf[256];
 749         size_t                  input_len;
 750
 751         int                     param_list[24]; /* -1 not present */
 752         u_int                   param_list_len;
 753
 754         struct utf8_data        utf8data;
 755
 756         int                     ch;
 757         int                     flags;
 758 #define INPUT_DISCARD 0x1
 759
 760         const struct input_state *state;
 761 };
 762
 763 /*
 764  * Window mode. Windows can be in several modes and this is used to call the
 765  * right function to handle input and output.
 766  */
 767 struct session;
 768 struct window;
 769 struct mouse_event;
 770 struct window_mode {
 771         struct screen *(*init)(struct window_pane *);
 772         void    (*free)(struct window_pane *);
 773         void    (*resize)(struct window_pane *, u_int, u_int);
 774         void    (*key)(struct window_pane *, struct session *, int);
 775         void    (*mouse)(struct window_pane *,
 776                     struct session *, struct mouse_event *);
 777         void    (*timer)(struct window_pane *);
 778 };
 779
 780 /* Child window structure. */
 781 struct window_pane {
 782         u_int            id;
 783
 784         struct window   *window;
 785         struct layout_cell *layout_cell;
 786
 787         u_int            sx;
 788         u_int            sy;
 789
 790         u_int            xoff;
 791         u_int            yoff;
 792
 793         int              flags;
 794 #define PANE_REDRAW 0x1
 795 #define PANE_FREEZE 0x2
 796
 797         char            *cmd;
 798         char            *shell;
 799         char            *cwd;
 800
 801         pid_t            pid;
 802         char             tty[TTY_NAME_MAX];
 803
 804         int              fd;
 805         struct bufferevent *event;
 806
 807         struct input_ctx ictx;
 808
 809         int              pipe_fd;
 810         struct bufferevent *pipe_event;
 811         size_t           pipe_off;
 812
 813         struct screen   *screen;
 814         struct screen    base;
 815
 816         /* Saved in alternative screen mode. */
 817         u_int            saved_cx;
 818         u_int            saved_cy;
 819         struct grid     *saved_grid;
 820         struct grid_cell saved_cell;
 821
 822         const struct window_mode *mode;
 823         void            *modedata;
 824
 825         TAILQ_ENTRY(window_pane) entry;
 826         RB_ENTRY(window_pane) tree_entry;
 827 };
 828 TAILQ_HEAD(window_panes, window_pane);
 829 RB_HEAD(window_pane_tree, window_pane);
 830
 831 /* Window structure. */
 832 struct window {
 833         char            *name;
 834         struct event     name_timer;
 835         struct timeval   silence_timer;
 836
 837         struct window_pane *active;
 838         struct window_pane *last;
 839         struct window_panes panes;
 840
 841         int              lastlayout;
 842         struct layout_cell *layout_root;
 843
 844         u_int            sx;
 845         u_int            sy;
 846
 847         int              flags;
 848 #define WINDOW_BELL 0x1
 849 #define WINDOW_ACTIVITY 0x2
 850 #define WINDOW_REDRAW 0x4
 851 #define WINDOW_SILENCE 0x8
 852
 853         struct options   options;
 854
 855         u_int            references;
 856 };
 857 ARRAY_DECL(windows, struct window *);
 858
 859 /* Entry on local window list. */
 860 struct winlink {
 861         int              idx;
 862         struct window   *window;
 863
 864         size_t           status_width;
 865         struct grid_cell status_cell;
 866         char            *status_text;
 867
 868         int              flags;
 869 #define WINLINK_BELL 0x1
 870 #define WINLINK_ACTIVITY 0x2
 871 #define WINLINK_CONTENT 0x4
 872 #define WINLINK_SILENCE 0x8
 873 #define WINLINK_ALERTFLAGS \
 874     (WINLINK_BELL|WINLINK_ACTIVITY|WINLINK_CONTENT|WINLINK_SILENCE)
 875
 876         RB_ENTRY(winlink) entry;
 877         TAILQ_ENTRY(winlink) sentry;
 878 };
 879 RB_HEAD(winlinks, winlink);
 880 TAILQ_HEAD(winlink_stack, winlink);
 881
 882 /* Layout direction. */
 883 enum layout_type {
 884         LAYOUT_LEFTRIGHT,
 885         LAYOUT_TOPBOTTOM,
 886         LAYOUT_WINDOWPANE
 887 };
 888
 889 /* Layout cells queue. */
 890 TAILQ_HEAD(layout_cells, layout_cell);
 891
 892 /* Layout cell. */
 893 struct layout_cell {
 894         enum layout_type type;
 895
 896         struct layout_cell *parent;
 897
 898         u_int            sx;
 899         u_int            sy;
 900
 901         u_int            xoff;
 902         u_int            yoff;
 903
 904         struct window_pane *wp;
 905         struct layout_cells cells;
 906
 907         TAILQ_ENTRY(layout_cell) entry;
 908 };
 909
 910 /* Paste buffer. */
 911 struct paste_buffer {
 912         char            *data;
 913         size_t           size;
 914 };
 915 ARRAY_DECL(paste_stack, struct paste_buffer *);
 916
 917 /* Environment variable. */
 918 struct environ_entry {
 919         char            *name;
 920         char            *value;
 921
 922         RB_ENTRY(environ_entry) entry;
 923 };
 924 RB_HEAD(environ, environ_entry);
 925
 926 /* Client session. */
 927 struct session_group {
 928         TAILQ_HEAD(, session) sessions;
 929
 930         TAILQ_ENTRY(session_group) entry;
 931 };
 932 TAILQ_HEAD(session_groups, session_group);
 933
 934 struct session {
 935         u_int            idx;
 936
 937         char            *name;
 938         char            *cwd;
 939
 940         struct timeval   creation_time;
 941         struct timeval   activity_time;
 942
 943         u_int            sx;
 944         u_int            sy;
 945
 946         struct winlink  *curw;
 947         struct winlink_stack lastw;
 948         struct winlinks  windows;
 949
 950         struct options   options;
 951
 952 #define SESSION_UNATTACHED 0x1  /* not attached to any clients */
 953         int              flags;
 954
 955         struct termios  *tio;
 956
 957         struct environ   environ;
 958
 959         int              references;
 960
 961         TAILQ_ENTRY(session) gentry;
 962         RB_ENTRY(session)    entry;
 963 };
 964 RB_HEAD(sessions, session);
 965 ARRAY_DECL(sessionslist, struct session *);
 966
 967 /* TTY information. */
 968 struct tty_key {
 969         char             ch;
 970         int              key;
 971
 972         struct tty_key  *left;
 973         struct tty_key  *right;
 974
 975         struct tty_key  *next;
 976 };
 977
 978 struct tty_term {
 979         char            *name;
 980         u_int            references;
 981
 982         char             acs[UCHAR_MAX + 1][2];
 983
 984         struct tty_code  codes[NTTYCODE];
 985
 986 #define TERM_256COLOURS 0x1
 987 #define TERM_88COLOURS 0x2
 988 #define TERM_EARLYWRAP 0x4
 989         int              flags;
 990
 991         LIST_ENTRY(tty_term) entry;
 992 };
 993 LIST_HEAD(tty_terms, tty_term);
 994
 995 struct tty {
 996         char            *path;
 997
 998         u_int            sx;
 999         u_int            sy;
1000
1001         u_int            cx;
1002         u_int            cy;
1003
1004         int              mode;
1005
1006         u_int            rlower;
1007         u_int            rupper;
1008
1009         char            *termname;
1010         struct tty_term *term;
1011
1012         int              fd;
1013         struct bufferevent *event;
1014
1015         int              log_fd;
1016
1017         struct termios   tio;
1018
1019         struct grid_cell cell;
1020
1021 #define TTY_NOCURSOR 0x1
1022 #define TTY_FREEZE 0x2
1023 #define TTY_ESCAPE 0x4
1024 #define TTY_UTF8 0x8
1025 #define TTY_STARTED 0x10
1026 #define TTY_OPENED 0x20
1027 #define TTY_BACKOFF 0x40
1028         int              flags;
1029
1030         int              term_flags;
1031
1032         void             (*key_callback)(int, struct mouse_event *, void *);
1033         void            *key_data;
1034         struct event     key_timer;
1035         struct tty_key  *key_tree;
1036 };
1037
1038 /* TTY command context and function pointer. */
1039 struct tty_ctx {
1040         struct window_pane *wp;
1041
1042         const struct grid_cell *cell;
1043         const struct grid_utf8 *utf8;
1044
1045         u_int            num;
1046         void            *ptr;
1047
1048         /*
1049          * Cursor and region position before the screen was updated - this is
1050          * where the command should be applied; the values in the screen have
1051          * already been updated.
1052          */
1053         u_int            ocx;
1054         u_int            ocy;
1055
1056         u_int            orupper;
1057         u_int            orlower;
1058
1059         /* Saved last cell on line. */
1060         struct grid_cell last_cell;
1061         struct grid_utf8 last_utf8;
1062         u_int            last_width;
1063 };
1064
1065 /*
1066  * xterm mouse mode is fairly silly. Buttons are in the bottom two
1067  * bits: 0 button 1; 1 button 2; 2 button 3; 3 buttons released.
1068  *
1069  * Bit 3 is shift; bit 4 is meta; bit 5 control.
1070  *
1071  * Bit 6 is added for mouse buttons 4 and 5.
1072  */
1073 /* Mouse input. */
1074 struct mouse_event {
1075         u_int   b;
1076 #define MOUSE_1 0
1077 #define MOUSE_2 1
1078 #define MOUSE_3 2
1079 #define MOUSE_UP 3
1080 #define MOUSE_BUTTON 3
1081 #define MOUSE_45 64
1082         u_int   x;
1083         u_int   y;
1084 };
1085
1086 /* Saved message entry. */
1087 struct message_entry {
1088         char   *msg;
1089         time_t  msg_time;
1090 };
1091
1092 /* Status output data from a job. */
1093 struct status_out {
1094         char   *cmd;
1095         char   *out;
1096
1097         RB_ENTRY(status_out) entry;
1098 };
1099 RB_HEAD(status_out_tree, status_out);
1100
1101 /* Client connection. */
1102 struct client {
1103         struct imsgbuf   ibuf;
1104         struct event     event;
1105         int              retcode;
1106
1107         struct timeval   creation_time;
1108         struct timeval   activity_time;
1109
1110         struct environ   environ;
1111
1112         char            *title;
1113         char            *cwd;
1114
1115         struct tty       tty;
1116
1117         int              stdin_fd;
1118         void            *stdin_data;
1119         void            (*stdin_callback)(struct client *, void *);
1120         struct bufferevent *stdin_event;
1121
1122         int              stdout_fd;
1123         struct bufferevent *stdout_event;
1124
1125         int              stderr_fd;
1126         struct bufferevent *stderr_event;
1127
1128         struct event     repeat_timer;
1129
1130         struct status_out_tree status_old;
1131         struct status_out_tree status_new;
1132         struct timeval   status_timer;
1133         struct screen    status;
1134
1135 #define CLIENT_TERMINAL 0x1
1136 #define CLIENT_PREFIX 0x2
1137 #define CLIENT_EXIT 0x4
1138 #define CLIENT_REDRAW 0x8
1139 #define CLIENT_STATUS 0x10
1140 #define CLIENT_REPEAT 0x20      /* allow command to repeat within repeat time */
1141 #define CLIENT_SUSPENDED 0x40
1142 #define CLIENT_BAD 0x80
1143 #define CLIENT_IDENTIFY 0x100
1144 #define CLIENT_DEAD 0x200
1145 #define CLIENT_BORDERS 0x400
1146 #define CLIENT_READONLY 0x800
1147 #define CLIENT_BACKOFF 0x1000
1148 #define CLIENT_REDRAWWINDOW 0x2000
1149         int              flags;
1150
1151         struct event     identify_timer;
1152
1153         char            *message_string;
1154         struct event     message_timer;
1155         ARRAY_DECL(, struct message_entry) message_log;
1156
1157         char            *prompt_string;
1158         char            *prompt_buffer;
1159         size_t           prompt_index;
1160         int              (*prompt_callbackfn)(void *, const char *);
1161         void             (*prompt_freefn)(void *);
1162         void            *prompt_data;
1163         u_int            prompt_hindex;
1164
1165 #define PROMPT_SINGLE 0x1
1166         int              prompt_flags;
1167
1168         struct mode_key_data prompt_mdata;
1169
1170         struct session  *session;
1171         struct session  *last_session;
1172
1173         int              references;
1174 };
1175 ARRAY_DECL(clients, struct client *);
1176
1177 /* Parsed arguments. */
1178 struct args {
1179         bitstr_t        *flags;
1180         char            *values[SCHAR_MAX]; /* XXX This is awfully big. */
1181
1182         int              argc;
1183         char           **argv;
1184 };
1185
1186 /* Key/command line command. */
1187 struct cmd_ctx {
1188         /*
1189          * curclient is the client where this command was executed if inside
1190          * tmux. This is NULL if the command came from the command-line.
1191          *
1192          * cmdclient is the client which sent the MSG_COMMAND to the server, if
1193          * any. This is NULL unless the command came from the command-line.
1194          *
1195          * cmdclient and curclient may both be NULL if the command is in the
1196          * configuration file.
1197          */
1198         struct client  *curclient;
1199         struct client  *cmdclient;
1200
1201         struct msg_command_data *msgdata;
1202
1203         /* gcc2 doesn't understand attributes on function pointers... */
1204 #if defined(__GNUC__) && __GNUC__ >= 3
1205         void printflike2 (*print)(struct cmd_ctx *, const char *, ...);
1206         void printflike2 (*info)(struct cmd_ctx *, const char *, ...);
1207         void printflike2 (*error)(struct cmd_ctx *, const char *, ...);
1208 #else
1209         void (*print)(struct cmd_ctx *, const char *, ...);
1210         void (*info)(struct cmd_ctx *, const char *, ...);
1211         void (*error)(struct cmd_ctx *, const char *, ...);
1212 #endif
1213 };
1214
1215 struct cmd {
1216         const struct cmd_entry  *entry;
1217         struct args             *args;
1218
1219         TAILQ_ENTRY(cmd)         qentry;
1220 };
1221 struct cmd_list {
1222         int                      references;
1223         TAILQ_HEAD(, cmd)        list;
1224 };
1225
1226 struct cmd_entry {
1227         const char      *name;
1228         const char      *alias;
1229
1230         const char      *args_template;
1231         int              args_lower;
1232         int              args_upper;
1233
1234         const char      *usage;
1235
1236 #define CMD_STARTSERVER 0x1
1237 #define CMD_CANTNEST 0x2
1238 #define CMD_SENDENVIRON 0x4
1239 #define CMD_READONLY 0x8
1240         int              flags;
1241
1242         void             (*key_binding)(struct cmd *, int);
1243         int              (*check)(struct args *);
1244         int              (*exec)(struct cmd *, struct cmd_ctx *);
1245 };
1246
1247 /* Key binding. */
1248 struct key_binding {
1249         int              key;
1250         struct cmd_list *cmdlist;
1251         int              can_repeat;
1252
1253         SPLAY_ENTRY(key_binding) entry;
1254 };
1255 SPLAY_HEAD(key_bindings, key_binding);
1256
1257 /*
1258  * Option table entries. The option table is the user-visible part of the
1259  * option, as opposed to the internal options (struct option) which are just
1260  * number or string.
1261  */
1262 enum options_table_type {
1263         OPTIONS_TABLE_STRING,
1264         OPTIONS_TABLE_NUMBER,
1265         OPTIONS_TABLE_KEYS,
1266         OPTIONS_TABLE_COLOUR,
1267         OPTIONS_TABLE_ATTRIBUTES,
1268         OPTIONS_TABLE_FLAG,
1269         OPTIONS_TABLE_CHOICE
1270 };
1271
1272 struct options_table_entry {
1273         const char             *name;
1274         enum options_table_type type;
1275
1276         u_int                   minimum;
1277         u_int                   maximum;
1278         const char            **choices;
1279
1280         const char             *default_str;
1281         long long               default_num;
1282 };
1283
1284 /* List of configuration causes. */
1285 ARRAY_DECL(causelist, char *);
1286
1287 /* Common command usages. */
1288 #define CMD_TARGET_PANE_USAGE "[-t target-pane]"
1289 #define CMD_TARGET_WINDOW_USAGE "[-t target-window]"
1290 #define CMD_TARGET_SESSION_USAGE "[-t target-session]"
1291 #define CMD_TARGET_CLIENT_USAGE "[-t target-client]"
1292 #define CMD_SRCDST_PANE_USAGE "[-s src-pane] [-t dst-pane]"
1293 #define CMD_SRCDST_WINDOW_USAGE "[-s src-window] [-t dst-window]"
1294 #define CMD_SRCDST_SESSION_USAGE "[-s src-session] [-t dst-session]"
1295 #define CMD_SRCDST_CLIENT_USAGE "[-s src-client] [-t dst-client]"
1296 #define CMD_BUFFER_USAGE "[-b buffer-index]"
1297
1298 /* tmux.c */
1299 extern struct options global_options;
1300 extern struct options global_s_options;
1301 extern struct options global_w_options;
1302 extern struct environ global_environ;
1303 extern struct event_base *ev_base;
1304 extern char     *cfg_file;
1305 extern char     *shell_cmd;
1306 extern int       debug_level;
1307 extern time_t    start_time;
1308 extern char      socket_path[MAXPATHLEN];
1309 extern int       login_shell;
1310 extern char     *environ_path;
1311 extern pid_t     environ_pid;
1312 extern int       environ_idx;
1313 void             logfile(const char *);
1314 const char      *getshell(void);
1315 int              checkshell(const char *);
1316 int              areshell(const char *);
1317 void             setblocking(int, int);
1318 __dead void      shell_exec(const char *, const char *);
1319
1320 /* cfg.c */
1321 extern int       cfg_finished;
1322 extern struct causelist cfg_causes;
1323 void printflike2 cfg_add_cause(struct causelist *, const char *, ...);
1324 int              load_cfg(const char *, struct cmd_ctx *, struct causelist *);
1325
1326 /* mode-key.c */
1327 extern const struct mode_key_table mode_key_tables[];
1328 extern struct mode_key_tree mode_key_tree_vi_edit;
1329 extern struct mode_key_tree mode_key_tree_vi_choice;
1330 extern struct mode_key_tree mode_key_tree_vi_copy;
1331 extern struct mode_key_tree mode_key_tree_emacs_edit;
1332 extern struct mode_key_tree mode_key_tree_emacs_choice;
1333 extern struct mode_key_tree mode_key_tree_emacs_copy;
1334 int     mode_key_cmp(struct mode_key_binding *, struct mode_key_binding *);
1335 SPLAY_PROTOTYPE(mode_key_tree, mode_key_binding, entry, mode_key_cmp);
1336 const char *mode_key_tostring(const struct mode_key_cmdstr *,
1337             enum mode_key_cmd);
1338 enum mode_key_cmd mode_key_fromstring(const struct mode_key_cmdstr *,
1339             const char *);
1340 const struct mode_key_table *mode_key_findtable(const char *);
1341 void    mode_key_init_trees(void);
1342 void    mode_key_init(struct mode_key_data *, struct mode_key_tree *);
1343 enum mode_key_cmd mode_key_lookup(struct mode_key_data *, int);
1344
1345 /* options.c */
1346 int     options_cmp(struct options_entry *, struct options_entry *);
1347 SPLAY_PROTOTYPE(options_tree, options_entry, entry, options_cmp);
1348 void    options_init(struct options *, struct options *);
1349 void    options_free(struct options *);
1350 struct options_entry *options_find1(struct options *, const char *);
1351 struct options_entry *options_find(struct options *, const char *);
1352 void    options_remove(struct options *, const char *);
1353 struct options_entry *printflike3 options_set_string(
1354             struct options *, const char *, const char *, ...);
1355 char   *options_get_string(struct options *, const char *);
1356 struct options_entry *options_set_number(
1357             struct options *, const char *, long long);
1358 long long options_get_number(struct options *, const char *);
1359 struct options_entry *options_set_data(
1360             struct options *, const char *, void *, void (*)(void *));
1361 void   *options_get_data(struct options *, const char *);
1362
1363 /* options-table.c */
1364 extern const struct options_table_entry server_options_table[];
1365 extern const struct options_table_entry session_options_table[];
1366 extern const struct options_table_entry window_options_table[];
1367 void    options_table_populate_tree(
1368             const struct options_table_entry *, struct options *);
1369 const char *options_table_print_entry(
1370             const struct options_table_entry *, struct options_entry *);
1371
1372 /* job.c */
1373 extern struct joblist all_jobs;
1374 struct job *job_run(
1375             const char *, void (*)(struct job *), void (*)(void *), void *);
1376 void    job_free(struct job *);
1377 void    job_died(struct job *, int);
1378
1379 /* environ.c */
1380 int     environ_cmp(struct environ_entry *, struct environ_entry *);
1381 RB_PROTOTYPE(environ, environ_entry, entry, environ_cmp);
1382 void    environ_init(struct environ *);
1383 void    environ_free(struct environ *);
1384 void    environ_copy(struct environ *, struct environ *);
1385 struct environ_entry *environ_find(struct environ *, const char *);
1386 void    environ_set(struct environ *, const char *, const char *);
1387 void    environ_put(struct environ *, const char *);
1388 void    environ_unset(struct environ *, const char *);
1389 void    environ_update(const char *, struct environ *, struct environ *);
1390 void    environ_push(struct environ *);
1391
1392 /* tty.c */
1393 void    tty_raw(struct tty *, const char *);
1394 void    tty_attributes(struct tty *, const struct grid_cell *);
1395 void    tty_reset(struct tty *);
1396 void    tty_region_pane(struct tty *, const struct tty_ctx *, u_int, u_int);
1397 void    tty_region(struct tty *, u_int, u_int);
1398 void    tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int, u_int);
1399 void    tty_cursor(struct tty *, u_int, u_int);
1400 void    tty_putcode(struct tty *, enum tty_code_code);
1401 void    tty_putcode1(struct tty *, enum tty_code_code, int);
1402 void    tty_putcode2(struct tty *, enum tty_code_code, int, int);
1403 void    tty_puts(struct tty *, const char *);
1404 void    tty_putc(struct tty *, u_char);
1405 void    tty_pututf8(struct tty *, const struct grid_utf8 *);
1406 void    tty_init(struct tty *, int, char *);
1407 int     tty_resize(struct tty *);
1408 void    tty_start_tty(struct tty *);
1409 void    tty_stop_tty(struct tty *);
1410 void    tty_set_title(struct tty *, const char *);
1411 void    tty_update_mode(struct tty *, int);
1412 void    tty_draw_line(struct tty *, struct screen *, u_int, u_int, u_int);
1413 int     tty_open(struct tty *, const char *, char **);
1414 void    tty_close(struct tty *);
1415 void    tty_free(struct tty *);
1416 void    tty_write(void (*)(
1417             struct tty *, const struct tty_ctx *), const struct tty_ctx *);
1418 void    tty_cmd_alignmenttest(struct tty *, const struct tty_ctx *);
1419 void    tty_cmd_cell(struct tty *, const struct tty_ctx *);
1420 void    tty_cmd_clearendofline(struct tty *, const struct tty_ctx *);
1421 void    tty_cmd_clearendofscreen(struct tty *, const struct tty_ctx *);
1422 void    tty_cmd_clearline(struct tty *, const struct tty_ctx *);
1423 void    tty_cmd_clearscreen(struct tty *, const struct tty_ctx *);
1424 void    tty_cmd_clearstartofline(struct tty *, const struct tty_ctx *);
1425 void    tty_cmd_clearstartofscreen(struct tty *, const struct tty_ctx *);
1426 void    tty_cmd_deletecharacter(struct tty *, const struct tty_ctx *);
1427 void    tty_cmd_deleteline(struct tty *, const struct tty_ctx *);
1428 void    tty_cmd_insertcharacter(struct tty *, const struct tty_ctx *);
1429 void    tty_cmd_insertline(struct tty *, const struct tty_ctx *);
1430 void    tty_cmd_linefeed(struct tty *, const struct tty_ctx *);
1431 void    tty_cmd_utf8character(struct tty *, const struct tty_ctx *);
1432 void    tty_cmd_reverseindex(struct tty *, const struct tty_ctx *);
1433 void    tty_cmd_rawstring(struct tty *, const struct tty_ctx *);
1434
1435 /* tty-term.c */
1436 extern struct tty_terms tty_terms;
1437 extern const struct tty_term_code_entry tty_term_codes[NTTYCODE];
1438 struct tty_term *tty_term_find(char *, int, const char *, char **);
1439 void             tty_term_free(struct tty_term *);
1440 int              tty_term_has(struct tty_term *, enum tty_code_code);
1441 const char      *tty_term_string(struct tty_term *, enum tty_code_code);
1442 const char      *tty_term_string1(struct tty_term *, enum tty_code_code, int);
1443 const char      *tty_term_string2(
1444                      struct tty_term *, enum tty_code_code, int, int);
1445 int              tty_term_number(struct tty_term *, enum tty_code_code);
1446 int              tty_term_flag(struct tty_term *, enum tty_code_code);
1447
1448 /* tty-acs.c */
1449 const char      *tty_acs_get(struct tty *, u_char);
1450
1451 /* tty-keys.c */
1452 void    tty_keys_init(struct tty *);
1453 void    tty_keys_free(struct tty *);
1454 int     tty_keys_next(struct tty *);
1455
1456 /* paste.c */
1457 struct paste_buffer *paste_walk_stack(struct paste_stack *, u_int *);
1458 struct paste_buffer *paste_get_top(struct paste_stack *);
1459 struct paste_buffer *paste_get_index(struct paste_stack *, u_int);
1460 int              paste_free_top(struct paste_stack *);
1461 int              paste_free_index(struct paste_stack *, u_int);
1462 void             paste_add(struct paste_stack *, char *, size_t, u_int);
1463 int              paste_replace(struct paste_stack *, u_int, char *, size_t);
1464 char            *paste_print(struct paste_buffer *, size_t);
1465
1466 /* clock.c */
1467 extern const char clock_table[14][5][5];
1468 void             clock_draw(struct screen_write_ctx *, int, int);
1469
1470 /* arguments.c */
1471 struct args     *args_create(int, ...);
1472 struct args     *args_parse(const char *, int, char **);
1473 void             args_free(struct args *);
1474 size_t           args_print(struct args *, char *, size_t);
1475 int              args_has(struct args *, u_char);
1476 void             args_set(struct args *, u_char, const char *);
1477 const char      *args_get(struct args *, u_char);
1478 long long        args_strtonum(
1479                     struct args *, u_char, long long, long long, char **);
1480
1481 /* cmd.c */
1482 int              cmd_pack_argv(int, char **, char *, size_t);
1483 int              cmd_unpack_argv(char *, size_t, int, char ***);
1484 char           **cmd_copy_argv(int, char *const *);
1485 void             cmd_free_argv(int, char **);
1486 struct cmd      *cmd_parse(int, char **, char **);
1487 int              cmd_exec(struct cmd *, struct cmd_ctx *);
1488 void             cmd_free(struct cmd *);
1489 size_t           cmd_print(struct cmd *, char *, size_t);
1490 struct session  *cmd_current_session(struct cmd_ctx *, int);
1491 struct client   *cmd_current_client(struct cmd_ctx *);
1492 struct client   *cmd_find_client(struct cmd_ctx *, const char *);
1493 struct session  *cmd_find_session(struct cmd_ctx *, const char *, int);
1494 struct winlink  *cmd_find_window(
1495                      struct cmd_ctx *, const char *, struct session **);
1496 int              cmd_find_index(
1497                      struct cmd_ctx *, const char *, struct session **);
1498 struct winlink  *cmd_find_pane(struct cmd_ctx *,
1499                      const char *, struct session **, struct window_pane **);
1500 char            *cmd_template_replace(char *, const char *, int);
1501 extern const struct cmd_entry *cmd_table[];
1502 extern const struct cmd_entry cmd_attach_session_entry;
1503 extern const struct cmd_entry cmd_bind_key_entry;
1504 extern const struct cmd_entry cmd_break_pane_entry;
1505 extern const struct cmd_entry cmd_capture_pane_entry;
1506 extern const struct cmd_entry cmd_choose_buffer_entry;
1507 extern const struct cmd_entry cmd_choose_client_entry;
1508 extern const struct cmd_entry cmd_choose_session_entry;
1509 extern const struct cmd_entry cmd_choose_window_entry;
1510 extern const struct cmd_entry cmd_clear_history_entry;
1511 extern const struct cmd_entry cmd_clock_mode_entry;
1512 extern const struct cmd_entry cmd_command_prompt_entry;
1513 extern const struct cmd_entry cmd_confirm_before_entry;
1514 extern const struct cmd_entry cmd_copy_mode_entry;
1515 extern const struct cmd_entry cmd_delete_buffer_entry;
1516 extern const struct cmd_entry cmd_detach_client_entry;
1517 extern const struct cmd_entry cmd_display_message_entry;
1518 extern const struct cmd_entry cmd_display_panes_entry;
1519 extern const struct cmd_entry cmd_down_pane_entry;
1520 extern const struct cmd_entry cmd_find_window_entry;
1521 extern const struct cmd_entry cmd_has_session_entry;
1522 extern const struct cmd_entry cmd_if_shell_entry;
1523 extern const struct cmd_entry cmd_join_pane_entry;
1524 extern const struct cmd_entry cmd_kill_pane_entry;
1525 extern const struct cmd_entry cmd_kill_server_entry;
1526 extern const struct cmd_entry cmd_kill_session_entry;
1527 extern const struct cmd_entry cmd_kill_window_entry;
1528 extern const struct cmd_entry cmd_last_pane_entry;
1529 extern const struct cmd_entry cmd_last_window_entry;
1530 extern const struct cmd_entry cmd_link_window_entry;
1531 extern const struct cmd_entry cmd_list_buffers_entry;
1532 extern const struct cmd_entry cmd_list_clients_entry;
1533 extern const struct cmd_entry cmd_list_commands_entry;
1534 extern const struct cmd_entry cmd_list_keys_entry;
1535 extern const struct cmd_entry cmd_list_panes_entry;
1536 extern const struct cmd_entry cmd_list_sessions_entry;
1537 extern const struct cmd_entry cmd_list_windows_entry;
1538 extern const struct cmd_entry cmd_load_buffer_entry;
1539 extern const struct cmd_entry cmd_lock_client_entry;
1540 extern const struct cmd_entry cmd_lock_server_entry;
1541 extern const struct cmd_entry cmd_lock_session_entry;
1542 extern const struct cmd_entry cmd_move_window_entry;
1543 extern const struct cmd_entry cmd_new_session_entry;
1544 extern const struct cmd_entry cmd_new_window_entry;
1545 extern const struct cmd_entry cmd_next_layout_entry;
1546 extern const struct cmd_entry cmd_next_window_entry;
1547 extern const struct cmd_entry cmd_paste_buffer_entry;
1548 extern const struct cmd_entry cmd_pipe_pane_entry;
1549 extern const struct cmd_entry cmd_previous_layout_entry;
1550 extern const struct cmd_entry cmd_previous_window_entry;
1551 extern const struct cmd_entry cmd_refresh_client_entry;
1552 extern const struct cmd_entry cmd_rename_session_entry;
1553 extern const struct cmd_entry cmd_rename_window_entry;
1554 extern const struct cmd_entry cmd_resize_pane_entry;
1555 extern const struct cmd_entry cmd_respawn_window_entry;
1556 extern const struct cmd_entry cmd_rotate_window_entry;
1557 extern const struct cmd_entry cmd_run_shell_entry;
1558 extern const struct cmd_entry cmd_save_buffer_entry;
1559 extern const struct cmd_entry cmd_select_layout_entry;
1560 extern const struct cmd_entry cmd_select_pane_entry;
1561 extern const struct cmd_entry cmd_select_window_entry;
1562 extern const struct cmd_entry cmd_send_keys_entry;
1563 extern const struct cmd_entry cmd_send_prefix_entry;
1564 extern const struct cmd_entry cmd_server_info_entry;
1565 extern const struct cmd_entry cmd_set_buffer_entry;
1566 extern const struct cmd_entry cmd_set_environment_entry;
1567 extern const struct cmd_entry cmd_set_option_entry;
1568 extern const struct cmd_entry cmd_set_window_option_entry;
1569 extern const struct cmd_entry cmd_show_buffer_entry;
1570 extern const struct cmd_entry cmd_show_environment_entry;
1571 extern const struct cmd_entry cmd_show_messages_entry;
1572 extern const struct cmd_entry cmd_show_options_entry;
1573 extern const struct cmd_entry cmd_show_window_options_entry;
1574 extern const struct cmd_entry cmd_source_file_entry;
1575 extern const struct cmd_entry cmd_split_window_entry;
1576 extern const struct cmd_entry cmd_start_server_entry;
1577 extern const struct cmd_entry cmd_suspend_client_entry;
1578 extern const struct cmd_entry cmd_swap_pane_entry;
1579 extern const struct cmd_entry cmd_swap_window_entry;
1580 extern const struct cmd_entry cmd_switch_client_entry;
1581 extern const struct cmd_entry cmd_unbind_key_entry;
1582 extern const struct cmd_entry cmd_unlink_window_entry;
1583 extern const struct cmd_entry cmd_up_pane_entry;
1584
1585 /* cmd-list.c */
1586 struct cmd_list *cmd_list_parse(int, char **, char **);
1587 int              cmd_list_exec(struct cmd_list *, struct cmd_ctx *);
1588 void             cmd_list_free(struct cmd_list *);
1589 size_t           cmd_list_print(struct cmd_list *, char *, size_t);
1590
1591 /* cmd-string.c */
1592 int     cmd_string_parse(const char *, struct cmd_list **, char **);
1593
1594 /* client.c */
1595 int     client_main(int, char **, int);
1596
1597 /* key-bindings.c */
1598 extern struct key_bindings key_bindings;
1599 int      key_bindings_cmp(struct key_binding *, struct key_binding *);
1600 SPLAY_PROTOTYPE(key_bindings, key_binding, entry, key_bindings_cmp);
1601 struct key_binding *key_bindings_lookup(int);
1602 void     key_bindings_add(int, int, struct cmd_list *);
1603 void     key_bindings_remove(int);
1604 void     key_bindings_clean(void);
1605 void     key_bindings_init(void);
1606 void     key_bindings_dispatch(struct key_binding *, struct client *);
1607 void printflike2 key_bindings_error(struct cmd_ctx *, const char *, ...);
1608 void printflike2 key_bindings_print(struct cmd_ctx *, const char *, ...);
1609 void printflike2 key_bindings_info(struct cmd_ctx *, const char *, ...);
1610
1611 /* key-string.c */
1612 int      key_string_lookup_string(const char *);
1613 const char *key_string_lookup_key(int);
1614
1615 /* server.c */
1616 extern struct clients clients;
1617 extern struct clients dead_clients;
1618 extern struct paste_stack global_buffers;
1619 int      server_start(void);
1620 void     server_update_socket(void);
1621
1622 /* server-client.c */
1623 void     server_client_create(int);
1624 void     server_client_lost(struct client *);
1625 void     server_client_callback(int, short, void *);
1626 void     server_client_status_timer(void);
1627 void     server_client_loop(void);
1628
1629 /* server-window.c */
1630 void     server_window_loop(void);
1631
1632 /* server-fn.c */
1633 void     server_fill_environ(struct session *, struct environ *);
1634 void     server_write_client(
1635              struct client *, enum msgtype, const void *, size_t);
1636 void     server_write_session(
1637              struct session *, enum msgtype, const void *, size_t);
1638 void     server_redraw_client(struct client *);
1639 void     server_status_client(struct client *);
1640 void     server_redraw_session(struct session *);
1641 void     server_redraw_session_group(struct session *);
1642 void     server_status_session(struct session *);
1643 void     server_status_session_group(struct session *);
1644 void     server_redraw_window(struct window *);
1645 void     server_redraw_window_borders(struct window *);
1646 void     server_status_window(struct window *);
1647 void     server_lock(void);
1648 void     server_lock_session(struct session *);
1649 void     server_lock_client(struct client *);
1650 int      server_unlock(const char *);
1651 void     server_kill_window(struct window *);
1652 int      server_link_window(struct session *,
1653              struct winlink *, struct session *, int, int, int, char **);
1654 void     server_unlink_window(struct session *, struct winlink *);
1655 void     server_destroy_pane(struct window_pane *);
1656 void     server_destroy_session_group(struct session *);
1657 void     server_destroy_session(struct session *);
1658 void     server_check_unattached (void);
1659 void     server_set_identify(struct client *);
1660 void     server_clear_identify(struct client *);
1661 void     server_update_event(struct client *);
1662
1663 /* status.c */
1664 int      status_out_cmp(struct status_out *, struct status_out *);
1665 RB_PROTOTYPE(status_out_tree, status_out, entry, status_out_cmp);
1666 void     status_free_jobs(struct status_out_tree *);
1667 void     status_update_jobs(struct client *);
1668 int      status_redraw(struct client *);
1669 char    *status_replace(struct client *, struct session *,
1670              struct winlink *, struct window_pane *, const char *, time_t, int);
1671 void printflike2 status_message_set(struct client *, const char *, ...);
1672 void     status_message_clear(struct client *);
1673 int      status_message_redraw(struct client *);
1674 void     status_prompt_set(struct client *, const char *,
1675              int (*)(void *, const char *), void (*)(void *), void *, int);
1676 void     status_prompt_clear(struct client *);
1677 int      status_prompt_redraw(struct client *);
1678 void     status_prompt_key(struct client *, int);
1679 void     status_prompt_update(struct client *, const char *);
1680
1681 /* resize.c */
1682 void     recalculate_sizes(void);
1683
1684 /* input.c */
1685 void     input_init(struct window_pane *);
1686 void     input_free(struct window_pane *);
1687 void     input_parse(struct window_pane *);
1688
1689 /* input-key.c */
1690 void     input_key(struct window_pane *, int);
1691 void     input_mouse(struct window_pane *, struct mouse_event *);
1692
1693 /* xterm-keys.c */
1694 char    *xterm_keys_lookup(int);
1695 int      xterm_keys_find(const char *, size_t, size_t *, int *);
1696
1697 /* colour.c */
1698 void     colour_set_fg(struct grid_cell *, int);
1699 void     colour_set_bg(struct grid_cell *, int);
1700 const char *colour_tostring(int);
1701 int      colour_fromstring(const char *);
1702 u_char   colour_256to16(u_char);
1703 u_char   colour_256to88(u_char);
1704
1705 /* attributes.c */
1706 const char *attributes_tostring(u_char);
1707 int      attributes_fromstring(const char *);
1708
1709 /* grid.c */
1710 extern const struct grid_cell grid_default_cell;
1711 struct grid *grid_create(u_int, u_int, u_int);
1712 void     grid_destroy(struct grid *);
1713 int      grid_compare(struct grid *, struct grid *);
1714 void     grid_collect_history(struct grid *);
1715 void     grid_scroll_history(struct grid *);
1716 void     grid_scroll_history_region(struct grid *, u_int, u_int);
1717 void     grid_expand_line(struct grid *, u_int, u_int);
1718 void     grid_expand_line_utf8(struct grid *, u_int, u_int);
1719 const struct grid_cell *grid_peek_cell(struct grid *, u_int, u_int);
1720 struct grid_cell *grid_get_cell(struct grid *, u_int, u_int);
1721 void     grid_set_cell(struct grid *, u_int, u_int, const struct grid_cell *);
1722 const struct grid_utf8 *grid_peek_utf8(struct grid *, u_int, u_int);
1723 struct grid_utf8 *grid_get_utf8(struct grid *, u_int, u_int);
1724 void     grid_set_utf8(struct grid *, u_int, u_int, const struct grid_utf8 *);
1725 void     grid_clear(struct grid *, u_int, u_int, u_int, u_int);
1726 void     grid_clear_lines(struct grid *, u_int, u_int);
1727 void     grid_move_lines(struct grid *, u_int, u_int, u_int);
1728 void     grid_move_cells(struct grid *, u_int, u_int, u_int, u_int);
1729 char    *grid_string_cells(struct grid *, u_int, u_int, u_int);
1730 void     grid_duplicate_lines(
1731              struct grid *, u_int, struct grid *, u_int, u_int);
1732
1733 /* grid-utf8.c */
1734 size_t   grid_utf8_size(const struct grid_utf8 *);
1735 size_t   grid_utf8_copy(const struct grid_utf8 *, char *, size_t);
1736 void     grid_utf8_set(struct grid_utf8 *, const struct utf8_data *);
1737 int      grid_utf8_append(struct grid_utf8 *, const struct utf8_data *);
1738 int      grid_utf8_compare(const struct grid_utf8 *, const struct grid_utf8 *);
1739
1740 /* grid-view.c */
1741 const struct grid_cell *grid_view_peek_cell(struct grid *, u_int, u_int);
1742 struct grid_cell *grid_view_get_cell(struct grid *, u_int, u_int);
1743 void     grid_view_set_cell(
1744              struct grid *, u_int, u_int, const struct grid_cell *);
1745 const struct grid_utf8 *grid_view_peek_utf8(struct grid *, u_int, u_int);
1746 struct grid_utf8 *grid_view_get_utf8(struct grid *, u_int, u_int);
1747 void     grid_view_set_utf8(
1748              struct grid *, u_int, u_int, const struct grid_utf8 *);
1749 void     grid_view_clear_history(struct grid *);
1750 void     grid_view_clear(struct grid *, u_int, u_int, u_int, u_int);
1751 void     grid_view_scroll_region_up(struct grid *, u_int, u_int);
1752 void     grid_view_scroll_region_down(struct grid *, u_int, u_int);
1753 void     grid_view_insert_lines(struct grid *, u_int, u_int);
1754 void     grid_view_insert_lines_region(struct grid *, u_int, u_int, u_int);
1755 void     grid_view_delete_lines(struct grid *, u_int, u_int);
1756 void     grid_view_delete_lines_region(struct grid *, u_int, u_int, u_int);
1757 void     grid_view_insert_cells(struct grid *, u_int, u_int, u_int);
1758 void     grid_view_delete_cells(struct grid *, u_int, u_int, u_int);
1759 char    *grid_view_string_cells(struct grid *, u_int, u_int, u_int);
1760
1761 /* screen-write.c */
1762 void     screen_write_start(
1763              struct screen_write_ctx *, struct window_pane *, struct screen *);
1764 void     screen_write_stop(struct screen_write_ctx *);
1765 size_t printflike2 screen_write_cstrlen(int, const char *, ...);
1766 void printflike5 screen_write_cnputs(struct screen_write_ctx *,
1767              ssize_t, struct grid_cell *, int, const char *, ...);
1768 size_t printflike2 screen_write_strlen(int, const char *, ...);
1769 void printflike3 screen_write_puts(struct screen_write_ctx *,
1770              struct grid_cell *, const char *, ...);
1771 void printflike5 screen_write_nputs(struct screen_write_ctx *,
1772              ssize_t, struct grid_cell *, int, const char *, ...);
1773 void     screen_write_vnputs(struct screen_write_ctx *,
1774              ssize_t, struct grid_cell *, int, const char *, va_list);
1775 void     screen_write_parsestyle(
1776              struct grid_cell *, struct grid_cell *, const char *);
1777 void     screen_write_putc(
1778              struct screen_write_ctx *, struct grid_cell *, u_char);
1779 void     screen_write_copy(struct screen_write_ctx *,
1780              struct screen *, u_int, u_int, u_int, u_int);
1781 void     screen_write_backspace(struct screen_write_ctx *);
1782 void     screen_write_cursorup(struct screen_write_ctx *, u_int);
1783 void     screen_write_cursordown(struct screen_write_ctx *, u_int);
1784 void     screen_write_cursorright(struct screen_write_ctx *, u_int);
1785 void     screen_write_cursorleft(struct screen_write_ctx *, u_int);
1786 void     screen_write_alignmenttest(struct screen_write_ctx *);
1787 void     screen_write_insertcharacter(struct screen_write_ctx *, u_int);
1788 void     screen_write_deletecharacter(struct screen_write_ctx *, u_int);
1789 void     screen_write_insertline(struct screen_write_ctx *, u_int);
1790 void     screen_write_deleteline(struct screen_write_ctx *, u_int);
1791 void     screen_write_clearline(struct screen_write_ctx *);
1792 void     screen_write_clearendofline(struct screen_write_ctx *);
1793 void     screen_write_clearstartofline(struct screen_write_ctx *);
1794 void     screen_write_cursormove(struct screen_write_ctx *, u_int, u_int);
1795 void     screen_write_cursormode(struct screen_write_ctx *, int);
1796 void     screen_write_reverseindex(struct screen_write_ctx *);
1797 void     screen_write_scrollregion(struct screen_write_ctx *, u_int, u_int);
1798 void     screen_write_insertmode(struct screen_write_ctx *, int);
1799 void     screen_write_utf8mousemode(struct screen_write_ctx *, int);
1800 void     screen_write_mousemode_on(struct screen_write_ctx *, int);
1801 void     screen_write_mousemode_off(struct screen_write_ctx *);
1802 void     screen_write_linefeed(struct screen_write_ctx *, int);
1803 void     screen_write_linefeedscreen(struct screen_write_ctx *, int);
1804 void     screen_write_carriagereturn(struct screen_write_ctx *);
1805 void     screen_write_kcursormode(struct screen_write_ctx *, int);
1806 void     screen_write_kkeypadmode(struct screen_write_ctx *, int);
1807 void     screen_write_clearendofscreen(struct screen_write_ctx *);
1808 void     screen_write_clearstartofscreen(struct screen_write_ctx *);
1809 void     screen_write_clearscreen(struct screen_write_ctx *);
1810 void     screen_write_cell(struct screen_write_ctx *,
1811              const struct grid_cell *, const struct utf8_data *);
1812 void     screen_write_rawstring(struct screen_write_ctx *, u_char *, u_int);
1813
1814 /* screen-redraw.c */
1815 void     screen_redraw_screen(struct client *, int, int);
1816 void     screen_redraw_pane(struct client *, struct window_pane *);
1817
1818 /* screen.c */
1819 void     screen_init(struct screen *, u_int, u_int, u_int);
1820 void     screen_reinit(struct screen *);
1821 void     screen_free(struct screen *);
1822 void     screen_reset_tabs(struct screen *);
1823 void     screen_set_title(struct screen *, const char *);
1824 void     screen_resize(struct screen *, u_int, u_int);
1825 void     screen_set_selection(struct screen *,
1826              u_int, u_int, u_int, u_int, u_int, struct grid_cell *);
1827 void     screen_clear_selection(struct screen *);
1828 int      screen_check_selection(struct screen *, u_int, u_int);
1829
1830 /* window.c */
1831 extern struct windows windows;
1832 extern struct window_pane_tree all_window_panes;
1833 int              winlink_cmp(struct winlink *, struct winlink *);
1834 RB_PROTOTYPE(winlinks, winlink, entry, winlink_cmp);
1835 int              window_pane_cmp(struct window_pane *, struct window_pane *);
1836 RB_PROTOTYPE(window_pane_tree, window_pane, tree_entry, window_pane_cmp);
1837 struct winlink  *winlink_find_by_index(struct winlinks *, int);
1838 struct winlink  *winlink_find_by_window(struct winlinks *, struct window *);
1839 int              winlink_next_index(struct winlinks *, int);
1840 u_int            winlink_count(struct winlinks *);
1841 struct winlink  *winlink_add(struct winlinks *, int);
1842 void             winlink_set_window(struct winlink *, struct window *);
1843 void             winlink_remove(struct winlinks *, struct winlink *);
1844 struct winlink  *winlink_next(struct winlink *);
1845 struct winlink  *winlink_previous(struct winlink *);
1846 struct winlink  *winlink_next_by_number(struct winlink *, struct session *,
1847                      int);
1848 struct winlink  *winlink_previous_by_number(struct winlink *, struct session *,
1849                      int);
1850 void             winlink_stack_push(struct winlink_stack *, struct winlink *);
1851 void             winlink_stack_remove(struct winlink_stack *, struct winlink *);
1852 int              window_index(struct window *, u_int *);
1853 struct window   *window_create1(u_int, u_int);
1854 struct window   *window_create(const char *, const char *, const char *,
1855                      const char *, struct environ *, struct termios *,
1856                      u_int, u_int, u_int, char **);
1857 void             window_destroy(struct window *);
1858 void             window_set_active_at(struct window *, u_int, u_int);
1859 void             window_set_active_pane(struct window *, struct window_pane *);
1860 struct window_pane *window_add_pane(struct window *, u_int);
1861 void             window_resize(struct window *, u_int, u_int);
1862 void             window_remove_pane(struct window *, struct window_pane *);
1863 struct window_pane *window_pane_at_index(struct window *, u_int);
1864 struct window_pane *window_pane_next_by_number(struct window *,
1865                         struct window_pane *, u_int);
1866 struct window_pane *window_pane_previous_by_number(struct window *,
1867                         struct window_pane *, u_int);
1868 u_int            window_pane_index(struct window *, struct window_pane *);
1869 u_int            window_count_panes(struct window *);
1870 void             window_destroy_panes(struct window *);
1871 struct window_pane *window_pane_find_by_id(u_int);
1872 struct window_pane *window_pane_create(struct window *, u_int, u_int, u_int);
1873 void             window_pane_destroy(struct window_pane *);
1874 int              window_pane_spawn(struct window_pane *, const char *,
1875                      const char *, const char *, struct environ *,
1876                      struct termios *, char **);
1877 void             window_pane_resize(struct window_pane *, u_int, u_int);
1878 void             window_pane_alternate_on(
1879                      struct window_pane *, struct grid_cell *);
1880 void             window_pane_alternate_off(
1881                      struct window_pane *, struct grid_cell *);
1882 int              window_pane_set_mode(
1883                      struct window_pane *, const struct window_mode *);
1884 void             window_pane_reset_mode(struct window_pane *);
1885 void             window_pane_key(struct window_pane *, struct session *, int);
1886 void             window_pane_mouse(struct window_pane *,
1887                      struct session *, struct mouse_event *);
1888 int              window_pane_visible(struct window_pane *);
1889 char            *window_pane_search(
1890                      struct window_pane *, const char *, u_int *);
1891 char            *window_printable_flags(struct session *, struct winlink *);
1892
1893 struct window_pane *window_pane_find_up(struct window_pane *);
1894 struct window_pane *window_pane_find_down(struct window_pane *);
1895 struct window_pane *window_pane_find_left(struct window_pane *);
1896 struct window_pane *window_pane_find_right(struct window_pane *);
1897
1898 /* layout.c */
1899 u_int            layout_count_cells(struct layout_cell *);
1900 struct layout_cell *layout_create_cell(struct layout_cell *);
1901 void             layout_free_cell(struct layout_cell *);
1902 void             layout_print_cell(struct layout_cell *, const char *, u_int);
1903 void             layout_destroy_cell(struct layout_cell *, struct layout_cell **);
1904 void             layout_set_size(
1905                      struct layout_cell *, u_int, u_int, u_int, u_int);
1906 void             layout_make_leaf(
1907                      struct layout_cell *, struct window_pane *);
1908 void             layout_make_node(struct layout_cell *, enum layout_type);
1909 void             layout_fix_offsets(struct layout_cell *);
1910 void             layout_fix_panes(struct window *, u_int, u_int);
1911 u_int            layout_resize_check(struct layout_cell *, enum layout_type);
1912 void             layout_resize_adjust(
1913                      struct layout_cell *, enum layout_type, int);
1914 void             layout_init(struct window *);
1915 void             layout_free(struct window *);
1916 void             layout_resize(struct window *, u_int, u_int);
1917 void             layout_resize_pane(
1918                      struct window_pane *, enum layout_type, int);
1919 void             layout_assign_pane(struct layout_cell *, struct window_pane *);
1920 struct layout_cell *layout_split_pane(
1921                      struct window_pane *, enum layout_type, int);
1922 void             layout_close_pane(struct window_pane *);
1923
1924 /* layout-custom.c */
1925 char            *layout_dump(struct window *);
1926 int              layout_parse(struct window *, const char *);
1927
1928 /* layout-set.c */
1929 const char      *layout_set_name(u_int);
1930 int              layout_set_lookup(const char *);
1931 u_int            layout_set_select(struct window *, u_int);
1932 u_int            layout_set_next(struct window *);
1933 u_int            layout_set_previous(struct window *);
1934 void             layout_set_active_changed(struct window *);
1935
1936 /* layout-string.c */
1937 struct layout_cell *layout_find_string(struct window *, const char *);
1938 struct layout_cell *layout_find_bottomright(struct layout_cell *);
1939
1940 /* window-clock.c */
1941 extern const struct window_mode window_clock_mode;
1942
1943 /* window-copy.c */
1944 extern const struct window_mode window_copy_mode;
1945 void             window_copy_init_from_pane(struct window_pane *);
1946 void             window_copy_init_for_output(struct window_pane *);
1947 void             window_copy_add(struct window_pane *, const char *, ...);
1948 void             window_copy_vadd(struct window_pane *, const char *, va_list);
1949 void             window_copy_pageup(struct window_pane *);
1950
1951 /* window-choose.c */
1952 extern const struct window_mode window_choose_mode;
1953 void             window_choose_vadd(
1954                      struct window_pane *, int, const char *, va_list);
1955 void printflike3 window_choose_add(
1956                      struct window_pane *, int, const char *, ...);
1957 void             window_choose_ready(struct window_pane *,
1958                      u_int, void (*)(void *, int), void (*)(void *), void *);
1959
1960 /* names.c */
1961 void             queue_window_name(struct window *);
1962 char            *default_window_name(struct window *);
1963
1964 /* signal.c */
1965 void set_signals(void(*)(int, short, void *));
1966 void clear_signals(int);
1967
1968 /* session.c */
1969 extern struct sessions sessions;
1970 extern struct sessions dead_sessions;
1971 extern struct session_groups session_groups;
1972 int     session_cmp(struct session *, struct session *);
1973 RB_PROTOTYPE(sessions, session, entry, session_cmp);
1974 int              session_alive(struct session *);
1975 struct session  *session_find(const char *);
1976 struct session  *session_find_by_index(u_int);
1977 struct session  *session_create(const char *, const char *, const char *,
1978                      struct environ *, struct termios *, int, u_int, u_int,
1979                      char **);
1980 void             session_destroy(struct session *);
1981 int              session_check_name(const char *);
1982 void             session_update_activity(struct session *);
1983 struct session  *session_next_session(struct session *);
1984 struct session  *session_previous_session(struct session *);
1985 struct winlink  *session_new(struct session *,
1986                      const char *, const char *, const char *, int, char **);
1987 struct winlink  *session_attach(
1988                      struct session *, struct window *, int, char **);
1989 int              session_detach(struct session *, struct winlink *);
1990 struct winlink*  session_has(struct session *, struct window *);
1991 int              session_next(struct session *, int);
1992 int              session_previous(struct session *, int);
1993 int              session_select(struct session *, int);
1994 int              session_last(struct session *);
1995 struct session_group *session_group_find(struct session *);
1996 u_int            session_group_index(struct session_group *);
1997 void             session_group_add(struct session *, struct session *);
1998 void             session_group_remove(struct session *);
1999 void             session_group_synchronize_to(struct session *);
2000 void             session_group_synchronize_from(struct session *);
2001 void             session_group_synchronize1(struct session *, struct session *);
2002
2003 /* utf8.c */
2004 void    utf8_build(void);
2005 int     utf8_open(struct utf8_data *, u_char);
2006 int     utf8_append(struct utf8_data *, u_char);
2007 u_int   utf8_combine(const struct utf8_data *);
2008 u_int   utf8_split2(u_int, u_char *);
2009
2010 /* procname.c */
2011 char   *get_proc_name(int, char *);
2012
2013 /* log.c */
2014 void             log_open_tty(int);
2015 void             log_open_file(int, const char *);
2016 void             log_close(void);
2017 void printflike1 log_warn(const char *, ...);
2018 void printflike1 log_warnx(const char *, ...);
2019 void printflike1 log_info(const char *, ...);
2020 void printflike1 log_debug(const char *, ...);
2021 void printflike1 log_debug2(const char *, ...);
2022 __dead void printflike1 log_fatal(const char *, ...);
2023 __dead void printflike1 log_fatalx(const char *, ...);
2024
2025 /* xmalloc.c */
2026 char            *xstrdup(const char *);
2027 void            *xcalloc(size_t, size_t);
2028 void            *xmalloc(size_t);
2029 void            *xrealloc(void *, size_t, size_t);
2030 void             xfree(void *);
2031 int printflike2  xasprintf(char **, const char *, ...);
2032 int              xvasprintf(char **, const char *, va_list);
2033 int printflike3  xsnprintf(char *, size_t, const char *, ...);
2034 int              xvsnprintf(char *, size_t, const char *, va_list);
2035
2036 #endif /* TMUX_H */