1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
#ifndef GUARD_TERMKEY_H_
#define GUARD_TERMKEY_H_
#include <stdint.h>
#include <stdlib.h>
typedef enum {
TERMKEY_SYM_UNKNOWN = -1,
TERMKEY_SYM_NONE = 0,
// 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,
// CSI keys
TERMKEY_SYM_UP,
TERMKEY_SYM_DOWN,
TERMKEY_SYM_LEFT,
TERMKEY_SYM_RIGHT,
TERMKEY_SYM_BEGIN,
// CSI function keys
TERMKEY_SYM_FIND,
TERMKEY_SYM_INSERT,
TERMKEY_SYM_DELETE,
TERMKEY_SYM_SELECT,
TERMKEY_SYM_PAGEUP,
TERMKEY_SYM_PAGEDOWN,
TERMKEY_SYM_HOME,
TERMKEY_SYM_END,
// 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_sym;
typedef enum {
TERMKEY_TYPE_UNICODE,
TERMKEY_TYPE_FUNCTION,
TERMKEY_TYPE_KEYSYM
} termkey_type;
typedef enum {
TERMKEY_RES_NONE,
TERMKEY_RES_KEY,
TERMKEY_RES_EOF,
TERMKEY_RES_AGAIN,
} termkey_result;
enum {
TERMKEY_KEYMOD_SHIFT = 0x01,
TERMKEY_KEYMOD_ALT = 0x02,
TERMKEY_KEYMOD_CTRL = 0x04,
};
typedef int termkey_keysym;
typedef struct {
termkey_type type;
union {
int codepoint; // TERMKEY_TYPE_UNICODE
int number; // TERMKEY_TYPE_FUNCTION
termkey_keysym sym; // TERMKEY_TYPE_KEYSYM
} code;
int modifiers;
/* Any Unicode character can be UTF-8 encoded in no more than 6 bytes, plus
* terminating NUL */
char utf8[7];
} termkey_key;
typedef struct termkey termkey_t;
enum {
TERMKEY_FLAG_NOINTERPRET = 0x01, // Do not interpret C0//G1 codes if possible
TERMKEY_FLAG_CONVERTKP = 0x02, // Convert KP codes to regular keypresses
TERMKEY_FLAG_RAW = 0x04, // Input is raw bytes, not UTF-8
TERMKEY_FLAG_UTF8 = 0x08, // Input is definitely UTF-8
TERMKEY_FLAG_NOTERMIOS = 0x10, // Do not make initial termios calls on construction
};
termkey_t *termkey_new(int fd, int flags);
void termkey_free(termkey_t *tk);
void termkey_destroy(termkey_t *tk);
void termkey_setwaittime(termkey_t *tk, int msec);
int termkey_getwaittime(termkey_t *tk);
termkey_result termkey_getkey(termkey_t *tk, termkey_key *key);
termkey_result termkey_getkey_force(termkey_t *tk, termkey_key *key);
termkey_result termkey_waitkey(termkey_t *tk, termkey_key *key);
void termkey_pushinput(termkey_t *tk, unsigned char *input, size_t inputlen);
termkey_result termkey_advisereadable(termkey_t *tk);
// Registration of keys and names
termkey_keysym termkey_register_keyname(termkey_t *tk, termkey_keysym sym, const char *name);
const char *termkey_get_keyname(termkey_t *tk, termkey_keysym sym);
termkey_keysym termkey_register_c0(termkey_t *tk, termkey_keysym sym, unsigned char ctrl, const char *name);
termkey_keysym termkey_register_csi_ss3(termkey_t *tk, termkey_type type, termkey_keysym sym, unsigned char cmd, const char *name);
termkey_keysym termkey_register_ss3kpalt(termkey_t *tk, termkey_type type, termkey_keysym sym, unsigned char cmd, const char *name, char kpalt);
termkey_keysym termkey_register_csifunc(termkey_t *tk, termkey_type type, termkey_keysym sym, int number, const char *name);
termkey_keysym termkey_register_c0_full(termkey_t *tk, termkey_keysym sym, int modifier_set, int modifier_mask, unsigned char ctrl, const char *name);
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);
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);
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);
typedef enum {
TERMKEY_FORMAT_LONGMOD = 1,
TERMKEY_FORMAT_CARETCTRL = 2,
TERMKEY_FORMAT_ALTISMETA = 4,
} termkey_format;
size_t termkey_snprint_key(termkey_t *tk, char *buffer, size_t len, termkey_key *key, termkey_format format);
#endif
|
