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
144
145
146
147
148
149
150
151
|
#include <stdlib.h>
#include <string.h>
#include <proto/keyboard.h>
#include <kogata/printf.h>
#include <kogata/syscall.h>
#include <kogata/keyboard.h>
// ---- Control keys that are not KBD_CHAR-able
int ctrlkeys[] = {
/* 0x00 */ 0, KBD_CODE_ESC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KBD_CODE_BKSP, KBD_CODE_TAB,
/* 0x10 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KBD_CODE_RETURN, KBD_CODE_LCTRL, 0, 0,
/* 0x20 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KBD_CODE_LSHIFT, 0, 0, 0, 0, 0,
/* 0x30 */ 0, 0, 0, 0, 0, 0, KBD_CODE_RSHIFT, 0, KBD_CODE_LALT, 0,
KBD_CODE_CAPSLOCK, KBD_CODE_F1, KBD_CODE_F2, KBD_CODE_F3, KBD_CODE_F4, KBD_CODE_F5,
/* 0x40 */ KBD_CODE_F6, KBD_CODE_F7, KBD_CODE_F8, KBD_CODE_F9, KBD_CODE_F10, KBD_CODE_NUMLOCK,
KBD_CODE_SCRLLOCK, KBD_CODE_KPHOME, KBD_CODE_KPUP, KBD_CODE_KPPGUP, 0, KBD_CODE_KPLEFT,
KBD_CODE_KP5, KBD_CODE_KPRIGHT, 0, KBD_CODE_KPEND,
/* 0x50 */ KBD_CODE_KPDOWN, KBD_CODE_KPPGDOWN, KBD_CODE_KPINS, KBD_CODE_KPDEL,
KBD_CODE_SYSREQ, 0, 0, KBD_CODE_F11, KBD_CODE_F12, 0, 0, 0, 0, 0, 0, 0,
/* 0x60 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x70 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x80 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
/* 0x90 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KBD_CODE_RETURN, KBD_CODE_RCTRL, 0, 0,
/* 0xA0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xB0 */ 0, 0, 0, 0, 0, 0, 0, KBD_CODE_PRTSCN, KBD_CODE_RALT, 0, 0, 0, 0, 0, 0, 0,
/* 0xC0 */ 0, 0, 0, 0, 0, 0, 0, KBD_CODE_HOME, KBD_CODE_UP, KBD_CODE_PGUP, 0,
KBD_CODE_LEFT, 0, KBD_CODE_RIGHT, 0, KBD_CODE_END,
/* 0xD0 */ KBD_CODE_DOWN, KBD_CODE_PGDOWN, KBD_CODE_INS, KBD_CODE_DEL, 0, 0, 0, 0, 0,
0, 0, KBD_CODE_LSUPER, KBD_CODE_RSUPER, KBD_CODE_MENU, 0, 0,
/* 0xE0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
/* 0xF0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
// ---- The code
keyboard_t *init_keyboard() {
keyboard_t *kb = (keyboard_t*)malloc(sizeof(keyboard_t));
if (kb == 0) return 0;
if (!load_keymap(kb, "sys:/keymaps/default.km")) {
free(kb);
return 0;
}
return kb;
}
void free_keyboard(keyboard_t *t) {
free(t);
}
bool load_keymap(keyboard_t *kb, const char* kmname) {
fd_t f = sc_open(kmname, FM_READ);
if (f == 0) {
dbg_printf("Failed to open keymap %s\n", kmname);
return false;
}
keymap_t km;
size_t rd = sc_read(f, 0, sizeof(keymap_t), (char*)&km);
bool ok = (rd == sizeof(keymap_t));
if (ok) {
memcpy(&kb->km, &km, sizeof(keymap_t));
kb->status = 0;
}
sc_close(f);
return ok;
}
int key_chr(keyboard_t *kb, int k) {
if (kb->status & KBD_MOD) {
if ((kb->status & KBD_SHIFT) | (kb->status & KBD_CAPS)) {
return kb->km.shiftmod[k];
} else {
return kb->km.mod[k];
}
} else if ((kb->status & KBD_CAPS) && (kb->status & KBD_SHIFT)) {
return kb->km.shiftcaps[k];
} else if (kb->status & KBD_SHIFT) {
return kb->km.shift[k];
} else if (kb->status & KBD_CAPS) {
return kb->km.caps[k];
} else {
return kb->km.normal[k];
}
}
key_t make_key(keyboard_t *kb, int k, bool down) {
key_t x;
x.flags = kb->status;
x.key = 0;
if (k >= 128) return x;
x.key = ctrlkeys[k];
if (x.key != 0) return x;
x.flags |= KBD_CHAR;
if (down) {
x.chr = key_chr(kb, k);
kb->key_char[k] = x.chr;
} else {
x.chr = kb->key_char[k];
}
return x;
}
key_t keyboard_press(keyboard_t *kb, int k) {
if (k == KBD_CODE_LSHIFT || k == KBD_CODE_RSHIFT) {
kb->status |= KBD_SHIFT;
} else if (k == KBD_CODE_LCTRL || k == KBD_CODE_RCTRL) {
kb->status |= KBD_CTRL;
} else if (k == KBD_CODE_LSUPER || k == KBD_CODE_RSUPER) {
kb->status |= KBD_SUPER;
} else if (k == KBD_CODE_LALT || (!kb->km.ralt_is_mod && k == KBD_CODE_RALT)) {
kb->status |= KBD_ALT;
} else if (kb->km.ralt_is_mod && k == KBD_CODE_RALT) {
kb->status |= KBD_MOD;
} else if (kb->km.ralt_is_mod && k == KBD_CODE_CAPSLOCK) {
kb->status ^= KBD_CAPS;
}
return make_key(kb, k, true);
}
key_t keyboard_release(keyboard_t *kb, int k) {
if (k == KBD_CODE_LSHIFT || k == KBD_CODE_RSHIFT) {
kb->status &= ~KBD_SHIFT;
} else if (k == KBD_CODE_LCTRL || k == KBD_CODE_RCTRL) {
kb->status &= ~KBD_CTRL;
} else if (k == KBD_CODE_LSUPER || k == KBD_CODE_RSUPER) {
kb->status &= ~KBD_SUPER;
} else if (k == KBD_CODE_LALT || (!kb->km.ralt_is_mod && k == KBD_CODE_RALT)) {
kb->status &= ~KBD_ALT;
} else if (kb->km.ralt_is_mod && k == KBD_CODE_RALT) {
kb->status &= ~KBD_MOD;
}
return make_key(kb, k, false);
}
/* vim: set ts=4 sw=4 tw=0 noet :*/
|
