termo/termkey.h.in

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#ifdef __cplusplus
extern "C" {
#endif
#ifndef GUARD_TERMKEY_H_
#define GUARD_TERMKEY_H_
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#include <stdint.h>
#include <stdlib.h>
#define TERMKEY_VERSION_MAJOR @@VERSION_MAJOR@@
#define TERMKEY_VERSION_MINOR @@VERSION_MINOR@@
#define TERMKEY_CHECK_VERSION \
termkey_check_version(TERMKEY_VERSION_MAJOR, TERMKEY_VERSION_MINOR)
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typedef enum {
TERMKEY_SYM_UNKNOWN = -1,
TERMKEY_SYM_NONE = 0,
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// Special names in C0
TERMKEY_SYM_BACKSPACE,
TERMKEY_SYM_TAB,
TERMKEY_SYM_ENTER,
TERMKEY_SYM_ESCAPE,
// Special names in G0
TERMKEY_SYM_SPACE,
TERMKEY_SYM_DEL,
// Special keys
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TERMKEY_SYM_UP,
TERMKEY_SYM_DOWN,
TERMKEY_SYM_LEFT,
TERMKEY_SYM_RIGHT,
TERMKEY_SYM_BEGIN,
TERMKEY_SYM_FIND,
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TERMKEY_SYM_INSERT,
TERMKEY_SYM_DELETE,
TERMKEY_SYM_SELECT,
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TERMKEY_SYM_PAGEUP,
TERMKEY_SYM_PAGEDOWN,
TERMKEY_SYM_HOME,
TERMKEY_SYM_END,
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// Special keys from terminfo
TERMKEY_SYM_CANCEL,
TERMKEY_SYM_CLEAR,
TERMKEY_SYM_CLOSE,
TERMKEY_SYM_COMMAND,
TERMKEY_SYM_COPY,
TERMKEY_SYM_EXIT,
TERMKEY_SYM_HELP,
TERMKEY_SYM_MARK,
TERMKEY_SYM_MESSAGE,
TERMKEY_SYM_MOVE,
TERMKEY_SYM_OPEN,
TERMKEY_SYM_OPTIONS,
TERMKEY_SYM_PRINT,
TERMKEY_SYM_REDO,
TERMKEY_SYM_REFERENCE,
TERMKEY_SYM_REFRESH,
TERMKEY_SYM_REPLACE,
TERMKEY_SYM_RESTART,
TERMKEY_SYM_RESUME,
TERMKEY_SYM_SAVE,
TERMKEY_SYM_SUSPEND,
TERMKEY_SYM_UNDO,
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// Numeric keypad special keys
TERMKEY_SYM_KP0,
TERMKEY_SYM_KP1,
TERMKEY_SYM_KP2,
TERMKEY_SYM_KP3,
TERMKEY_SYM_KP4,
TERMKEY_SYM_KP5,
TERMKEY_SYM_KP6,
TERMKEY_SYM_KP7,
TERMKEY_SYM_KP8,
TERMKEY_SYM_KP9,
TERMKEY_SYM_KPENTER,
TERMKEY_SYM_KPPLUS,
TERMKEY_SYM_KPMINUS,
TERMKEY_SYM_KPMULT,
TERMKEY_SYM_KPDIV,
TERMKEY_SYM_KPCOMMA,
TERMKEY_SYM_KPPERIOD,
TERMKEY_SYM_KPEQUALS,
// et cetera ad nauseum
TERMKEY_N_SYMS
} TermKeySym;
typedef enum {
TERMKEY_TYPE_UNICODE,
TERMKEY_TYPE_FUNCTION,
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TERMKEY_TYPE_KEYSYM,
TERMKEY_TYPE_MOUSE
} TermKeyType;
typedef enum {
TERMKEY_RES_NONE,
TERMKEY_RES_KEY,
TERMKEY_RES_EOF,
TERMKEY_RES_AGAIN,
TERMKEY_RES_ERROR
} TermKeyResult;
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typedef enum {
TERMKEY_MOUSE_UNKNOWN,
TERMKEY_MOUSE_PRESS,
TERMKEY_MOUSE_DRAG,
TERMKEY_MOUSE_RELEASE
} TermKeyMouseEvent;
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enum {
TERMKEY_KEYMOD_SHIFT = 1 << 0,
TERMKEY_KEYMOD_ALT = 1 << 1,
TERMKEY_KEYMOD_CTRL = 1 << 2
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};
typedef struct {
TermKeyType type;
union {
long codepoint; // TERMKEY_TYPE_UNICODE
int number; // TERMKEY_TYPE_FUNCTION
TermKeySym sym; // TERMKEY_TYPE_KEYSYM
char mouse[4]; // TERMKEY_TYPE_MOUSE
// opaque. see termkey_interpret_mouse
} code;
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int modifiers;
/* Any Unicode character can be UTF-8 encoded in no more than 6 bytes, plus
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* terminating NUL */
char utf8[7];
} TermKeyKey;
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typedef struct _TermKey TermKey;
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enum {
TERMKEY_FLAG_NOINTERPRET = 1 << 0, // Do not interpret C0//DEL codes if possible
TERMKEY_FLAG_CONVERTKP = 1 << 1, // Convert KP codes to regular keypresses
TERMKEY_FLAG_RAW = 1 << 2, // Input is raw bytes, not UTF-8
TERMKEY_FLAG_UTF8 = 1 << 3, // Input is definitely UTF-8
TERMKEY_FLAG_NOTERMIOS = 1 << 4, // Do not make initial termios calls on construction
TERMKEY_FLAG_SPACESYMBOL = 1 << 5, // Sets TERMKEY_CANON_SPACESYMBOL
TERMKEY_FLAG_CTRLC = 1 << 6, // Allow Ctrl-C to be read as normal, disabling SIGINT
TERMKEY_FLAG_EINTR = 1 << 7 // Return ERROR on signal (EINTR) rather than retry
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};
enum {
TERMKEY_CANON_SPACESYMBOL = 1 << 0, // Space is symbolic rather than Unicode
};
void termkey_check_version(int major, int minor);
TermKey *termkey_new(int fd, int flags);
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void termkey_free(TermKey *tk);
void termkey_destroy(TermKey *tk);
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int termkey_get_fd(TermKey *tk);
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int termkey_get_flags(TermKey *tk);
void termkey_set_flags(TermKey *tk, int newflags);
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int termkey_get_waittime(TermKey *tk);
void termkey_set_waittime(TermKey *tk, int msec);
int termkey_get_canonflags(TermKey *tk);
void termkey_set_canonflags(TermKey *tk, int);
void termkey_canonicalise(TermKey *tk, TermKeyKey *key);
TermKeyResult termkey_getkey(TermKey *tk, TermKeyKey *key);
TermKeyResult termkey_getkey_force(TermKey *tk, TermKeyKey *key);
TermKeyResult termkey_waitkey(TermKey *tk, TermKeyKey *key);
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void termkey_pushinput(TermKey *tk, const unsigned char *input, size_t inputlen);
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TermKeyResult termkey_advisereadable(TermKey *tk);
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TermKeySym termkey_register_keyname(TermKey *tk, TermKeySym sym, const char *name);
const char *termkey_get_keyname(TermKey *tk, TermKeySym sym);
char *termkey_lookup_keyname(TermKey *tk, const char *str, TermKeySym *sym);
TermKeySym termkey_keyname2sym(TermKey *tk, const char *keyname);
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TermKeyResult termkey_interpret_mouse(TermKey *tk, const TermKeyKey *key, TermKeyMouseEvent *event, int *button, int *line, int *col);
typedef enum {
TERMKEY_FORMAT_LONGMOD = 1 << 0, // Shift-... instead of S-...
TERMKEY_FORMAT_CARETCTRL = 1 << 1, // ^X instead of C-X
TERMKEY_FORMAT_ALTISMETA = 1 << 2, // Meta- or M- instead of Alt- or A-
TERMKEY_FORMAT_WRAPBRACKET = 1 << 3, // Wrap special keys in brackets like <Escape>
TERMKEY_FORMAT_MOUSE_POS = 1 << 8 // Include mouse position if relevant; @ col,line
} TermKeyFormat;
// Some useful combinations
#define TERMKEY_FORMAT_VIM (TERMKEY_FORMAT_ALTISMETA|TERMKEY_FORMAT_WRAPBRACKET)
size_t termkey_strfkey(TermKey *tk, char *buffer, size_t len, TermKeyKey *key, TermKeyFormat format);
char *termkey_strpkey(TermKey *tk, const char *str, TermKeyKey *key, TermKeyFormat format);
int termkey_keycmp(TermKey *tk, const TermKeyKey *key1, const TermKeyKey *key2);
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#endif
#ifdef __cplusplus
}
#endif