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/*
* barrier -- mouse and keyboard sharing utility
* Copyright (C) 2016 Symless.
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file COPYING that should have accompanied this file.
*
* This package is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#import "platform/OSXMediaKeySupport.h"
#import <Cocoa/Cocoa.h>
#import <IOKit/hidsystem/ev_keymap.h>
int convertKeyIDToNXKeyType(KeyID id)
{
int type = -1;
switch (id) {
case kKeyAudioUp:
type = NX_KEYTYPE_SOUND_UP;
break;
case kKeyAudioDown:
type = NX_KEYTYPE_SOUND_DOWN;
break;
case kKeyBrightnessUp:
type = NX_KEYTYPE_BRIGHTNESS_UP;
break;
case kKeyBrightnessDown:
type = NX_KEYTYPE_BRIGHTNESS_DOWN;
break;
case kKeyAudioMute:
type = NX_KEYTYPE_MUTE;
break;
case kKeyEject:
type = NX_KEYTYPE_EJECT;
break;
case kKeyAudioPlay:
type = NX_KEYTYPE_PLAY;
break;
case kKeyAudioNext:
type = NX_KEYTYPE_NEXT;
break;
case kKeyAudioPrev:
type = NX_KEYTYPE_PREVIOUS;
break;
default:
break;
}
return type;
}
static KeyID
convertNXKeyTypeToKeyID(uint32_t const type)
{
KeyID id = 0;
switch (type) {
case NX_KEYTYPE_SOUND_UP:
id = kKeyAudioUp;
break;
case NX_KEYTYPE_SOUND_DOWN:
id = kKeyAudioDown;
break;
case NX_KEYTYPE_MUTE:
id = kKeyAudioMute;
break;
case NX_KEYTYPE_EJECT:
id = kKeyEject;
break;
case NX_KEYTYPE_PLAY:
id = kKeyAudioPlay;
break;
case NX_KEYTYPE_FAST:
case NX_KEYTYPE_NEXT:
id = kKeyAudioNext;
break;
case NX_KEYTYPE_REWIND:
case NX_KEYTYPE_PREVIOUS:
id = kKeyAudioPrev;
break;
default:
break;
}
return id;
}
bool
isMediaKeyEvent(CGEventRef event) {
NSEvent* nsEvent = nil;
@try {
nsEvent = [NSEvent eventWithCGEvent: event];
if ([nsEvent subtype] != 8) {
return false;
}
uint32_t const nxKeyId = ([nsEvent data1] & 0xFFFF0000) >> 16;
if (convertNXKeyTypeToKeyID (nxKeyId)) {
return true;
}
} @catch (NSException* e) {
}
return false;
}
bool
getMediaKeyEventInfo(CGEventRef event, KeyID* const keyId,
bool* const down, bool* const isRepeat) {
NSEvent* nsEvent = nil;
@try {
nsEvent = [NSEvent eventWithCGEvent: event];
} @catch (NSException* e) {
return false;
}
if (keyId) {
*keyId = convertNXKeyTypeToKeyID (([nsEvent data1] & 0xFFFF0000) >> 16);
}
if (down) {
*down = !([nsEvent data1] & 0x100);
}
if (isRepeat) {
*isRepeat = [nsEvent data1] & 0x1;
}
return true;
}
bool
fakeNativeMediaKey(KeyID id)
{
NSEvent* downRef = [NSEvent otherEventWithType:NSSystemDefined
location: NSMakePoint(0, 0) modifierFlags:0xa00
timestamp:0 windowNumber:0 context:0 subtype:8
data1:(convertKeyIDToNXKeyType(id) << 16) | ((0xa) << 8)
data2:-1];
CGEventRef downEvent = [downRef CGEvent];
NSEvent* upRef = [NSEvent otherEventWithType:NSSystemDefined
location: NSMakePoint(0, 0) modifierFlags:0xa00
timestamp:0 windowNumber:0 context:0 subtype:8
data1:(convertKeyIDToNXKeyType(id) << 16) | ((0xb) << 8)
data2:-1];
CGEventRef upEvent = [upRef CGEvent];
CGEventPost(kCGHIDEventTap, downEvent);
CGEventPost(kCGHIDEventTap, upEvent);
return true;
}
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