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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
#include "hotkey.h"
#define internal static
#define local_persist static
#define LRMOD_ALT 0
#define LRMOD_CMD 6
#define LRMOD_CTRL 9
#define LRMOD_SHIFT 3
#define LMOD_OFFS 1
#define RMOD_OFFS 2
internal uint32_t cgevent_lrmod_flag[] =
{
Event_Mask_Alt, Event_Mask_LAlt, Event_Mask_RAlt,
Event_Mask_Shift, Event_Mask_LShift, Event_Mask_RShift,
Event_Mask_Cmd, Event_Mask_LCmd, Event_Mask_RCmd,
Event_Mask_Control, Event_Mask_LControl, Event_Mask_RControl,
};
internal uint32_t hotkey_lrmod_flag[] =
{
Hotkey_Flag_Alt, Hotkey_Flag_LAlt, Hotkey_Flag_RAlt,
Hotkey_Flag_Shift, Hotkey_Flag_LShift, Hotkey_Flag_RShift,
Hotkey_Flag_Cmd, Hotkey_Flag_LCmd, Hotkey_Flag_RCmd,
Hotkey_Flag_Control, Hotkey_Flag_LControl, Hotkey_Flag_RControl,
};
internal bool
compare_lr_mod(struct hotkey *a, struct hotkey *b, int mod)
{
bool result = has_flags(a, hotkey_lrmod_flag[mod])
? has_flags(b, hotkey_lrmod_flag[mod + LMOD_OFFS]) ||
has_flags(b, hotkey_lrmod_flag[mod + RMOD_OFFS]) ||
has_flags(b, hotkey_lrmod_flag[mod])
: has_flags(a, hotkey_lrmod_flag[mod + LMOD_OFFS]) == has_flags(b, hotkey_lrmod_flag[mod + LMOD_OFFS]) &&
has_flags(a, hotkey_lrmod_flag[mod + RMOD_OFFS]) == has_flags(b, hotkey_lrmod_flag[mod + RMOD_OFFS]) &&
has_flags(a, hotkey_lrmod_flag[mod]) == has_flags(b, hotkey_lrmod_flag[mod]);
return result;
}
internal bool
compare_fn(struct hotkey *a, struct hotkey *b)
{
return has_flags(a, Hotkey_Flag_Fn) == has_flags(b, Hotkey_Flag_Fn);
}
bool same_hotkey(struct hotkey *a, struct hotkey *b)
{
return compare_lr_mod(a, b, LRMOD_ALT) &&
compare_lr_mod(a, b, LRMOD_CMD) &&
compare_lr_mod(a, b, LRMOD_CTRL) &&
compare_lr_mod(a, b, LRMOD_SHIFT) &&
compare_fn(a, b) &&
a->key == b->key;
}
unsigned long hash_hotkey(struct hotkey *a)
{
return a->key;
}
bool same_mode(char *a, char *b)
{
while (*a && *b && *a == *b) {
++a;
++b;
}
return *a == '\0' && *b == '\0';
}
unsigned long hash_mode(char *key)
{
unsigned long hash = 0, high;
while(*key) {
hash = (hash << 4) + *key++;
high = hash & 0xF0000000;
if(high) {
hash ^= (high >> 24);
}
hash &= ~high;
}
return hash;
}
internal bool
fork_and_exec(char *command)
{
local_persist char arg[] = "-c";
local_persist char *shell = NULL;
if (!shell) {
char *env_shell = getenv("SHELL");
shell = env_shell ? env_shell : "/bin/bash";
}
int cpid = fork();
if (cpid == 0) {
char *exec[] = { shell, arg, command, NULL};
int status_code = execvp(exec[0], exec);
exit(status_code);
}
return true;
}
bool find_and_exec_hotkey(struct hotkey *eventkey, struct table *mode_map, struct mode **current_mode)
{
struct hotkey *hotkey;
if ((hotkey = table_find(&(*current_mode)->hotkey_map, eventkey))) {
bool capture = (*current_mode)->capture || !has_flags(hotkey, Hotkey_Flag_Passthrough);
char *command = hotkey->command;
if (has_flags(hotkey, Hotkey_Flag_Activate)) {
*current_mode = table_find(mode_map, hotkey->command);
command = (*current_mode)->command;
if (!command) return capture;
}
if (fork_and_exec(command)) return capture;
}
return false;
}
void free_mode_map(struct table *mode_map)
{
struct hotkey **freed_pointers = NULL;
int mode_count;
void **modes = table_reset(mode_map, &mode_count);
for (int mode_index = 0; mode_index < mode_count; ++mode_index) {
struct mode *mode = (struct mode *) modes[mode_index];
int hk_count;
void **hotkeys = table_reset(&mode->hotkey_map, &hk_count);
for (int hk_index = 0; hk_index < hk_count; ++hk_index) {
struct hotkey *hotkey = (struct hotkey *) hotkeys[hk_index];
for (int i = 0; i < buf_len(freed_pointers); ++i) {
if (freed_pointers[i] == hotkey) {
continue;
}
}
buf_push(freed_pointers, hotkey);
buf_free(hotkey->mode_list);
free(hotkey->command);
free(hotkey);
}
if (hk_count) free(hotkeys);
if (mode->command) free(mode->command);
if (mode->name) free(mode->name);
free(mode);
}
if (mode_count) {
free(modes);
buf_free(freed_pointers);
}
}
internal void
cgevent_lrmod_flag_to_hotkey_lrmod_flag(CGEventFlags eventflags, uint32_t *flags, int mod)
{
enum osx_event_mask mask = cgevent_lrmod_flag[mod];
enum osx_event_mask lmask = cgevent_lrmod_flag[mod + LMOD_OFFS];
enum osx_event_mask rmask = cgevent_lrmod_flag[mod + RMOD_OFFS];
if ((eventflags & mask) == mask) {
bool left = (eventflags & lmask) == lmask;
bool right = (eventflags & rmask) == rmask;
if (left) *flags |= hotkey_lrmod_flag[mod + LMOD_OFFS];
if (right) *flags |= hotkey_lrmod_flag[mod + RMOD_OFFS];
if (!left && !right) *flags |= hotkey_lrmod_flag[mod];
}
}
internal uint32_t
cgevent_flags_to_hotkey_flags(uint32_t eventflags)
{
uint32_t flags = 0;
cgevent_lrmod_flag_to_hotkey_lrmod_flag(eventflags, &flags, LRMOD_ALT);
cgevent_lrmod_flag_to_hotkey_lrmod_flag(eventflags, &flags, LRMOD_CMD);
cgevent_lrmod_flag_to_hotkey_lrmod_flag(eventflags, &flags, LRMOD_CTRL);
cgevent_lrmod_flag_to_hotkey_lrmod_flag(eventflags, &flags, LRMOD_SHIFT);
if ((flags & Event_Mask_Fn) == Event_Mask_Fn) {
flags |= Hotkey_Flag_Fn;
}
return flags;
}
struct hotkey
create_eventkey(CGEventRef event)
{
struct hotkey eventkey = {
.key = CGEventGetIntegerValueField(event, kCGKeyboardEventKeycode),
.flags = cgevent_flags_to_hotkey_flags(CGEventGetFlags(event))
};
return eventkey;
}
|
