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tmux/tmux.h

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/* $Id: tmux.h,v 1.19 2007-09-28 19:04:21 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef TMUX_H
#define TMUX_H
#include <sys/param.h>
#include <sys/tree.h>
#include <sys/queue.h>
#include <poll.h>
#include <stdarg.h>
#include <stdio.h>
#include <termios.h>
#include "array.h"
extern cc_t ttydefchars[];
extern char *__progname;
#define MAXNAMELEN 32
#define MAXTITLELEN 192
/* Fatal errors. */
#define fatal(msg) log_fatal("%s: %s", __func__, msg);
#define fatalx(msg) log_fatalx("%s: %s", __func__, msg);
/* Definition to shut gcc up about unused arguments. */
#define unused __attribute__ ((unused))
/* Attribute to make gcc check printf-like arguments. */
#define printflike1 __attribute__ ((format (printf, 1, 2)))
#define printflike2 __attribute__ ((format (printf, 2, 3)))
#define printflike3 __attribute__ ((format (printf, 3, 4)))
#define printflike4 __attribute__ ((format (printf, 4, 5)))
/* Ensure buffer size. */
#define ENSURE_SIZE(buf, len, size) do { \
(buf) = ensure_size(buf, &(len), 1, size); \
} while (0)
#define ENSURE_SIZE2(buf, len, nmemb, size) do { \
(buf) = ensure_size(buf, &(len), nmemb, size); \
} while (0)
#define ENSURE_FOR(buf, len, size, adj) do { \
(buf) = ensure_for(buf, &(len), size, adj); \
} while (0)
/* Buffer macros. */
#define BUFFER_USED(b) ((b)->size)
#define BUFFER_FREE(b) ((b)->space - (b)->off - (b)->size)
#define BUFFER_IN(b) ((b)->base + (b)->off + (b)->size)
#define BUFFER_OUT(b) ((b)->base + (b)->off)
/* Buffer structure. */
struct buffer {
u_char *base; /* buffer start */
size_t space; /* total size of buffer */
size_t size; /* size of data in buffer */
size_t off; /* offset of data in buffer */
};
/* Key codes. ncurses defines KEY_*. Grrr. */
#define KEYC_NONE 256
#define KEYC_A1 -1
#define KEYC_A3 -2
#define KEYC_B2 -3
#define KEYC_BACKSPACE -4
#define KEYC_BEG -5
#define KEYC_BTAB -6
#define KEYC_C1 -7
#define KEYC_C3 -8
#define KEYC_CANCEL -9
#define KEYC_CATAB -10
#define KEYC_CLEAR -11
#define KEYC_CLOSE -12
#define KEYC_COMMAND -13
#define KEYC_COPY -14
#define KEYC_CREATE -15
#define KEYC_CTAB -16
#define KEYC_DC -17
#define KEYC_DL -18
#define KEYC_DOWN -19
#define KEYC_EIC -20
#define KEYC_END -21
#define KEYC_ENTER -22
#define KEYC_EOL -23
#define KEYC_EOS -24
#define KEYC_EXIT -25
#define KEYC_F0 -26
#define KEYC_F1 -27
#define KEYC_F10 -28
#define KEYC_F11 -29
#define KEYC_F12 -30
#define KEYC_F13 -31
#define KEYC_F14 -32
#define KEYC_F15 -33
#define KEYC_F16 -34
#define KEYC_F17 -35
#define KEYC_F18 -36
#define KEYC_F19 -37
#define KEYC_F2 -38
#define KEYC_F20 -39
#define KEYC_F21 -40
#define KEYC_F22 -41
#define KEYC_F23 -42
#define KEYC_F24 -43
#define KEYC_F25 -44
#define KEYC_F26 -45
#define KEYC_F27 -46
#define KEYC_F28 -47
#define KEYC_F29 -48
#define KEYC_F3 -49
#define KEYC_F30 -50
#define KEYC_F31 -51
#define KEYC_F32 -52
#define KEYC_F33 -53
#define KEYC_F34 -54
#define KEYC_F35 -55
#define KEYC_F36 -56
#define KEYC_F37 -57
#define KEYC_F38 -58
#define KEYC_F39 -59
#define KEYC_F4 -60
#define KEYC_F40 -61
#define KEYC_F41 -62
#define KEYC_F42 -63
#define KEYC_F43 -64
#define KEYC_F44 -65
#define KEYC_F45 -66
#define KEYC_F46 -67
#define KEYC_F47 -68
#define KEYC_F48 -69
#define KEYC_F49 -70
#define KEYC_F5 -71
#define KEYC_F50 -72
#define KEYC_F51 -73
#define KEYC_F52 -74
#define KEYC_F53 -75
#define KEYC_F54 -76
#define KEYC_F55 -77
#define KEYC_F56 -78
#define KEYC_F57 -79
#define KEYC_F58 -80
#define KEYC_F59 -81
#define KEYC_F6 -82
#define KEYC_F60 -83
#define KEYC_F61 -84
#define KEYC_F62 -85
#define KEYC_F63 -86
#define KEYC_F7 -87
#define KEYC_F8 -88
#define KEYC_F9 -89
#define KEYC_FIND -90
#define KEYC_HELP -91
#define KEYC_HOME -92
#define KEYC_IC -93
#define KEYC_IL -94
#define KEYC_LEFT -95
#define KEYC_LL -96
#define KEYC_MARK -97
#define KEYC_MESSAGE -98
#define KEYC_MOVE -99
#define KEYC_NEXT -100
#define KEYC_NPAGE -101
#define KEYC_OPEN -102
#define KEYC_OPTIONS -103
#define KEYC_PPAGE -104
#define KEYC_PREVIOUS -105
#define KEYC_PRINT -106
#define KEYC_REDO -107
#define KEYC_REFERENCE -108
#define KEYC_REFRESH -109
#define KEYC_REPLACE -110
#define KEYC_RESTART -111
#define KEYC_RESUME -112
#define KEYC_RIGHT -113
#define KEYC_SAVE -114
#define KEYC_SBEG -115
#define KEYC_SCANCEL -116
#define KEYC_SCOMMAND -117
#define KEYC_SCOPY -118
#define KEYC_SCREATE -119
#define KEYC_SDC -120
#define KEYC_SDL -121
#define KEYC_SELECT -122
#define KEYC_SEND -123
#define KEYC_SEOL -124
#define KEYC_SEXIT -125
#define KEYC_SF -126
#define KEYC_SFIND -127
#define KEYC_SHELP -128
#define KEYC_SHOME -129
#define KEYC_SIC -130
#define KEYC_SLEFT -131
#define KEYC_SMESSAGE -132
#define KEYC_SMOVE -133
#define KEYC_SNEXT -134
#define KEYC_SOPTIONS -135
#define KEYC_SPREVIOUS -136
#define KEYC_SPRINT -137
#define KEYC_SR -138
#define KEYC_SREDO -139
#define KEYC_SREPLACE -140
#define KEYC_SRIGHT -141
#define KEYC_SRSUME -142
#define KEYC_SSAVE -143
#define KEYC_SSUSPEND -144
#define KEYC_STAB -145
#define KEYC_SUNDO -146
#define KEYC_SUSPEND -147
#define KEYC_UNDO -148
#define KEYC_UP -149
#define KEYC_MOUSE -150
/* Translated escape codes. */
#define CODE_CURSORUP 0
#define CODE_CURSORDOWN 1
#define CODE_CURSORRIGHT 2
#define CODE_CURSORLEFT 3
#define CODE_INSERTCHARACTER 4
#define CODE_DELETECHARACTER 5
#define CODE_INSERTLINE 6
#define CODE_DELETELINE 7
#define CODE_CLEARLINE 8
#define CODE_CLEARSCREEN 9
#define CODE_CLEARENDOFLINE 10
#define CODE_CLEARENDOFSCREEN 11
#define CODE_CLEARSTARTOFLINE 12
#define CODE_CURSORMOVE 13
#define CODE_ATTRIBUTES 14
#define CODE_CURSOROFF 15
#define CODE_CURSORON 16
#define CODE_REVERSEINDEX 17
/* 18 unused */
#define CODE_SCROLLREGION 19
#define CODE_INSERTON 20
#define CODE_INSERTOFF 21
#define CODE_KCURSOROFF 22
#define CODE_KCURSORON 23
#define CODE_KKEYPADOFF 24
#define CODE_KKEYPADON 25
#define CODE_TITLE 26
/* Message codes. */
enum hdrtype {
MSG_ATTACH,
MSG_CREATE,
MSG_ERROR,
MSG_EXIT,
MSG_INPUT,
MSG_LAST,
MSG_NEW,
MSG_NEXT,
MSG_OUTPUT,
MSG_PAUSE,
MSG_PREVIOUS,
MSG_REFRESH,
MSG_RENAME,
MSG_SELECT,
MSG_SESSIONS,
MSG_SIZE,
MSG_WINDOWLIST,
MSG_WINDOWS,
};
/* Message header structure. */
struct hdr {
enum hdrtype type;
size_t size;
};
/* Session identification. */
struct sessid {
long long pid; /* pid from $TMUX or -1 */
u_int idx; /* index from $TMUX */
char name[MAXNAMELEN]; /* empty for current */
};
struct new_data {
char name[MAXNAMELEN];
u_int sx;
u_int sy;
};
struct attach_data {
struct sessid sid;
u_int sx;
u_int sy;
};
struct sessions_data {
u_int sessions;
};
struct sessions_entry {
char name[MAXNAMELEN];
time_t tim;
u_int windows;
};
struct windows_data {
struct sessid sid;
u_int windows;
};
struct windows_entry {
u_int idx;
char tty[TTY_NAME_MAX];
char name[MAXNAMELEN];
char title[MAXTITLELEN];
};
struct size_data {
u_int sx;
u_int sy;
};
struct select_data {
u_int idx;
};
struct refresh_data {
u_int py_upper;
u_int py_lower;
};
/* Attributes. */
#define ATTR_BRIGHT 0x1
#define ATTR_DIM 0x2
#define ATTR_UNDERSCORE 0x4
#define ATTR_BLINK 0x8
#define ATTR_REVERSE 0x10
#define ATTR_HIDDEN 0x20
#define ATTR_ITALICS 0x40
/* Modes. */
#define MODE_CURSOR 0x1
#define MODE_INSERT 0x2
#define MODE_KCURSOR 0x4
#define MODE_KKEYPAD 0x8
/*
* Virtual screen. This is stored as three blocks of 8-bit values, one for
* the actual characters, one for attributes and one for colours. Three
* seperate blocks means memset and friends can be used.
*
* Each block is y by x in size, row then column order. Sizes are 0-based.
*/
struct screen {
char title[MAXTITLELEN];
u_char **grid_data;
u_char **grid_attr;
u_char **grid_colr;
u_int sx; /* size x */
u_int sy; /* size y */
u_int cx; /* cursor x */
u_int cy; /* cursor y */
u_int ry_upper; /* scroll region top */
u_int ry_lower; /* scroll region bottom */
u_char attr;
u_char colr; /* fg:bg */
int mode;
};
/* Window structure. */
struct window {
char name[MAXNAMELEN];
int fd;
struct buffer *in;
struct buffer *out;
u_int references;
struct screen screen;
};
ARRAY_DECL(windows, struct window *);
/* Client session. */
struct session {
char name[MAXNAMELEN];
time_t tim;
struct window *window;
struct window *last;
struct windows windows;
};
ARRAY_DECL(sessions, struct session *);
/* Client connection. */
struct client {
int fd;
struct buffer *in;
struct buffer *out;
u_int sx;
u_int sy;
struct session *session;
};
ARRAY_DECL(clients, struct client *);
/* Client context. */
struct client_ctx {
int srv_fd;
struct buffer *srv_in;
struct buffer *srv_out;
int loc_fd;
struct buffer *loc_in;
struct buffer *loc_out;
struct winsize ws;
};
/* tmux.c */
extern volatile sig_atomic_t sigwinch;
extern volatile sig_atomic_t sigterm;
extern int debug_level;
int usage(const char *);
void logfile(const char *);
void siginit(void);
void sigreset(void);
/* op.c */
int op_new(char *, int, char **);
int op_attach(char *, int, char **);
/* op-list.c */
int op_list_sessions(char *, int, char **);
int op_list_windows(char *, int, char **);
/* client.c */
int client_init(char *, struct client_ctx *, int);
int client_flush(struct client_ctx *);
int client_main(struct client_ctx *);
void client_write_server(struct client_ctx *, enum hdrtype, void *, size_t);
void client_fill_sessid(struct sessid *, char [MAXNAMELEN]);
/* client-msg.c */
int client_msg_dispatch(struct client_ctx *, char **);
/* command.c */
extern int client_cmd_prefix;
int client_cmd_dispatch(int, struct client_ctx *, char **);
/* server.c */
extern struct clients clients;
int server_start(char *);
/* server-msg.c */
int server_msg_dispatch(struct client *);
/* server-fn.c */
struct session *server_find_sessid(struct sessid *, char **);
void server_write_message(struct client *, const char *, ...);
void server_write_client(struct client *, enum hdrtype, void *, size_t);
void server_write_client2(
struct client *, enum hdrtype, void *, size_t, void *, size_t);
void server_write_clients(struct window *, enum hdrtype, void *, size_t);
void server_window_changed(struct client *);
void server_draw_client(struct client *, u_int, u_int);
/* input.c */
void input_key(struct buffer *, int);
size_t input_parse(u_char *, size_t, struct buffer *, struct screen *);
uint8_t input_extract8(struct buffer *);
uint16_t input_extract16(struct buffer *);
void input_store8(struct buffer *, uint8_t);
void input_store16(struct buffer *, uint16_t);
void input_store_zero(struct buffer *, u_char);
void input_store_one(struct buffer *, u_char, uint16_t);
void input_store_two(struct buffer *, u_char, uint16_t, uint16_t);
/* screen.c */
void screen_create(struct screen *, u_int, u_int);
void screen_resize(struct screen *, u_int, u_int);
void screen_draw(struct screen *, struct buffer *, u_int, u_int);
void screen_character(struct screen *, u_char);
void screen_sequence(struct screen *, u_char *);
/* local.c */
int local_init(struct buffer **, struct buffer **);
void local_done(void);
int local_key(size_t *);
void local_output(struct buffer *, size_t);
/* window.c */
extern struct windows windows;
struct window *window_create(const char *, const char **, u_int, u_int);
int window_index(struct windows *, struct window *, u_int *);
void window_add(struct windows *, struct window *);
void window_remove(struct windows *, struct window *);
void window_destroy(struct window *);
struct window *window_next(struct windows *, struct window *);
struct window *window_previous(struct windows *, struct window *);
struct window *window_at(struct windows *, u_int);
int window_resize(struct window *, u_int, u_int);
int window_poll(struct window *, struct pollfd *);
void window_input(struct window *, struct buffer *, size_t);
void window_output(struct window *, struct buffer *);
/* session.c */
extern struct sessions sessions;
struct session *session_find(const char *);
struct session *session_create(const char *, const char *, u_int, u_int);
void session_destroy(struct session *);
int session_index(struct session *, u_int *);
int session_new(struct session *, const char *, u_int, u_int);
void session_attach(struct session *, struct window *);
int session_detach(struct session *, struct window *);
int session_has(struct session *, struct window *);
int session_next(struct session *);
int session_previous(struct session *);
int session_select(struct session *, u_int);
int session_last(struct session *);
/* buffer.c */
struct buffer *buffer_create(size_t);
void buffer_destroy(struct buffer *);
void buffer_clear(struct buffer *);
void buffer_ensure(struct buffer *, size_t);
void buffer_add(struct buffer *, size_t);
void buffer_reverse_add(struct buffer *, size_t);
void buffer_remove(struct buffer *, size_t);
void buffer_reverse_remove(struct buffer *, size_t);
void buffer_insert_range(struct buffer *, size_t, size_t);
void buffer_delete_range(struct buffer *, size_t, size_t);
void buffer_write(struct buffer *, const void *, size_t);
void buffer_read(struct buffer *, void *, size_t);
/* buffer-poll.c */
int buffer_poll(struct pollfd *, struct buffer *, struct buffer *);
/* log.c */
void log_open(FILE *, int, int);
void log_close(void);
void log_vwrite(FILE *, int, const char *, va_list);
void log_write(FILE *, int, const char *, ...);
void printflike1 log_warn(const char *, ...);
void printflike1 log_warnx(const char *, ...);
void printflike1 log_info(const char *, ...);
void printflike1 log_debug(const char *, ...);
void printflike1 log_debug2(const char *, ...);
void printflike1 log_debug3(const char *, ...);
__dead void log_vfatal(const char *, va_list);
__dead void log_fatal(const char *, ...);
__dead void log_fatalx(const char *, ...);
/* xmalloc.c */
void *ensure_size(void *, size_t *, size_t, size_t);
void *ensure_for(void *, size_t *, size_t, size_t);
char *xstrdup(const char *);
void *xcalloc(size_t, size_t);
void *xmalloc(size_t);
void *xrealloc(void *, size_t, size_t);
void xfree(void *);
int printflike2 xasprintf(char **, const char *, ...);
int xvasprintf(char **, const char *, va_list);
int printflike3 xsnprintf(char *, size_t, const char *, ...);
int xvsnprintf(char *, size_t, const char *, va_list);
int printflike3 printpath(char *, size_t, const char *, ...);
char *xdirname(const char *);
char *xbasename(const char *);
/* xmalloc-debug.c */
#ifdef DEBUG
#define xmalloc_caller() __builtin_return_address(0)
void xmalloc_clear(void);
void xmalloc_report(pid_t, const char *);
void xmalloc_new(void *, void *, size_t);
void xmalloc_change(void *, void *, void *, size_t);
void xmalloc_free(void *);
#endif
#endif
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