136 lines
4.1 KiB
C
136 lines
4.1 KiB
C
#ifndef GUARD_TERMKEY_H_
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#define GUARD_TERMKEY_H_
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#include <stdint.h>
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#include <stdlib.h>
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typedef enum {
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TERMKEY_SYM_UNKNOWN = -1,
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TERMKEY_SYM_NONE = 0,
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// Special names in C0
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TERMKEY_SYM_BACKSPACE,
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TERMKEY_SYM_TAB,
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TERMKEY_SYM_ENTER,
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TERMKEY_SYM_ESCAPE,
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// Special names in G0
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TERMKEY_SYM_SPACE,
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TERMKEY_SYM_DEL,
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// CSI keys
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TERMKEY_SYM_UP,
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TERMKEY_SYM_DOWN,
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TERMKEY_SYM_LEFT,
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TERMKEY_SYM_RIGHT,
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TERMKEY_SYM_BEGIN,
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// CSI function keys
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TERMKEY_SYM_FIND,
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TERMKEY_SYM_INSERT,
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TERMKEY_SYM_DELETE,
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TERMKEY_SYM_SELECT,
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TERMKEY_SYM_PAGEUP,
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TERMKEY_SYM_PAGEDOWN,
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TERMKEY_SYM_HOME,
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TERMKEY_SYM_END,
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// Numeric keypad special keys
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TERMKEY_SYM_KP0,
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TERMKEY_SYM_KP1,
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TERMKEY_SYM_KP2,
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TERMKEY_SYM_KP3,
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TERMKEY_SYM_KP4,
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TERMKEY_SYM_KP5,
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TERMKEY_SYM_KP6,
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TERMKEY_SYM_KP7,
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TERMKEY_SYM_KP8,
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TERMKEY_SYM_KP9,
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TERMKEY_SYM_KPENTER,
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TERMKEY_SYM_KPPLUS,
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TERMKEY_SYM_KPMINUS,
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TERMKEY_SYM_KPMULT,
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TERMKEY_SYM_KPDIV,
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TERMKEY_SYM_KPCOMMA,
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TERMKEY_SYM_KPPERIOD,
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TERMKEY_SYM_KPEQUALS,
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// et cetera ad nauseum
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} termkey_sym;
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typedef enum {
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TERMKEY_TYPE_UNICODE,
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TERMKEY_TYPE_FUNCTION,
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TERMKEY_TYPE_KEYSYM
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} termkey_type;
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typedef enum {
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TERMKEY_RES_NONE,
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TERMKEY_RES_KEY,
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TERMKEY_RES_EOF,
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TERMKEY_RES_AGAIN,
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} termkey_result;
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enum {
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TERMKEY_KEYMOD_SHIFT = 0x01,
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TERMKEY_KEYMOD_ALT = 0x02,
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TERMKEY_KEYMOD_CTRL = 0x04,
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};
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typedef int termkey_keysym;
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typedef struct {
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termkey_type type;
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union {
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int codepoint; // TERMKEY_TYPE_UNICODE
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int number; // TERMKEY_TYPE_FUNCTION
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termkey_keysym sym; // TERMKEY_TYPE_KEYSYM
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} code;
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int modifiers;
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/* Any Unicode character can be UTF-8 encoded in no more than 6 bytes, plus
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* terminating NUL */
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char utf8[7];
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} termkey_key;
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typedef struct termkey termkey_t;
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enum {
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TERMKEY_FLAG_NOINTERPRET = 0x01, // Do not interpret C0//G1 codes if possible
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TERMKEY_FLAG_CONVERTKP = 0x02, // Convert KP codes to regular keypresses
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TERMKEY_FLAG_RAW = 0x04, // Input is raw bytes, not UTF-8
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TERMKEY_FLAG_UTF8 = 0x08, // Input is definitely UTF-8
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TERMKEY_FLAG_NOTERMIOS = 0x10, // Do not make initial termios calls on construction
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};
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termkey_t *termkey_new(int fd, int flags);
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void termkey_free(termkey_t *tk);
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void termkey_destroy(termkey_t *tk);
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void termkey_setwaittime(termkey_t *tk, int msec);
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int termkey_getwaittime(termkey_t *tk);
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termkey_result termkey_getkey(termkey_t *tk, termkey_key *key);
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termkey_result termkey_getkey_force(termkey_t *tk, termkey_key *key);
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termkey_result termkey_waitkey(termkey_t *tk, termkey_key *key);
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void termkey_pushinput(termkey_t *tk, unsigned char *input, size_t inputlen);
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termkey_result termkey_advisereadable(termkey_t *tk);
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// Registration of keys and names
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termkey_keysym termkey_register_keyname(termkey_t *tk, termkey_keysym sym, const char *name);
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const char *termkey_get_keyname(termkey_t *tk, termkey_keysym sym);
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termkey_keysym termkey_register_c0(termkey_t *tk, termkey_keysym sym, unsigned char ctrl, const char *name);
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termkey_keysym termkey_register_csi_ss3(termkey_t *tk, termkey_type type, termkey_keysym sym, unsigned char cmd, const char *name);
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termkey_keysym termkey_register_ss3kpalt(termkey_t *tk, termkey_type type, termkey_keysym sym, unsigned char cmd, const char *name, char kpalt);
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termkey_keysym termkey_register_csifunc(termkey_t *tk, termkey_type type, termkey_keysym sym, int number, const char *name);
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termkey_keysym termkey_register_c0_full(termkey_t *tk, termkey_keysym sym, int modifier_set, int modifier_mask, unsigned char ctrl, const char *name);
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termkey_keysym termkey_register_csi_ss3_full(termkey_t *tk, termkey_type type, termkey_keysym sym, int modifier_set, int modifier_mask, unsigned char cmd, const char *name);
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termkey_keysym termkey_register_ss3kpalt_full(termkey_t *tk, termkey_type type, termkey_keysym sym, int modifier_set, int modifier_mask, unsigned char cmd, const char *name, char kpalt);
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termkey_keysym termkey_register_csifunc_full(termkey_t *tk, termkey_type type, termkey_keysym sym, int modifier_set, int modifier_mask, int number, const char *name);
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#endif
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