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#include "hotkey.h"
#include <stdlib.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;
}
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 *hotkey_map)
{
bool result = false;
struct hotkey *hotkey;
if((hotkey = table_find(hotkey_map, eventkey))) {
if(fork_and_exec(hotkey->command)) {
result = has_flags(hotkey, Hotkey_Flag_Passthrough) ? false : true;
}
}
return result;
}
void free_hotkeys(struct table *hotkey_map)
{
int count;
void **hotkeys = table_reset(hotkey_map, &count);
for(int index = 0; index < count; ++index) {
struct hotkey *hotkey = (struct hotkey *) hotkeys[index];
free(hotkey->command);
free(hotkey);
}
if(count) {
free(hotkeys);
}
}
internal void
cgevent_lrmod_flag_to_hotkey_lrmod_flag(CGEventFlags flags, struct hotkey *eventkey, 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((flags & mask) == mask) {
bool left = (flags & lmask) == lmask;
bool right = (flags & rmask) == rmask;
if(left) add_flags(eventkey, hotkey_lrmod_flag[mod + LMOD_OFFS]);
if(right) add_flags(eventkey, hotkey_lrmod_flag[mod + RMOD_OFFS]);
if(!left && !right) add_flags(eventkey, hotkey_lrmod_flag[mod]);
}
}
void cgeventflags_to_hotkeyflags(CGEventFlags flags, struct hotkey *eventkey)
{
cgevent_lrmod_flag_to_hotkey_lrmod_flag(flags, eventkey, LRMOD_ALT);
cgevent_lrmod_flag_to_hotkey_lrmod_flag(flags, eventkey, LRMOD_CMD);
cgevent_lrmod_flag_to_hotkey_lrmod_flag(flags, eventkey, LRMOD_CTRL);
cgevent_lrmod_flag_to_hotkey_lrmod_flag(flags, eventkey, LRMOD_SHIFT);
if((flags & Event_Mask_Fn) == Event_Mask_Fn) {
add_flags(eventkey, Hotkey_Flag_Fn);
}
}
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