private static void toggleKeyCode(uint code, bool down, KeyModifiers flags)
{
const uint NX_SYSDEFINED = 14;
const short NX_SUBTYPE_AUX_CONTROL_BUTTONS = 8;
const uint kNXEventDataVersion = 2;
/* The media keys all have 1000 added to them to help us detect them. */
if (code >= 1000)
{
code = code - 1000; /* Get the real keycode. */
NXEventData eventData = new NXEventData();
// kern_return_t kr;
IOGPoint loc = new IOGPoint()
{
x = 0, y = 0
};
uint evtInfo = code << 16 | (down ? OSXDefinitions.kCGEventKeyDown : OSXDefinitions.kCGEventKeyUp) << 8;
// bzero(&event, sizeof(NXEventData));
eventData.compound.subType = NX_SUBTYPE_AUX_CONTROL_BUTTONS;
eventData.compound.misc.L[0] = evtInfo;
int kr = IOHIDPostEvent(getAuxiliaryKeyDriver(), NX_SYSDEFINED, loc, eventData, kNXEventDataVersion, 0, 0);
if (kr != 0)
{
throw new Exception($"IOKit returned error: 0x{kr:x8}.");
}
}
else
{
IntPtr keyEvent = CGEventCreateKeyboardEvent(IntPtr.Zero, (ushort)code, down);
// assert(keyEvent != NULL);
CGEventSetType(keyEvent, down ? OSXDefinitions.kCGEventKeyDown : OSXDefinitions.kCGEventKeyUp);
CGEventSetFlags(keyEvent, flags.ToCGEventFlags());
CGEventPost(OSXDefinitions.kCGSessionEventTap, keyEvent);
CFRelease(keyEvent);
}
}
private static extern int IOHIDPostEvent(IntPtr connect, uint eventType, IOGPoint location, NXEventData eventData,
uint eventDataVersion, uint eventFlags, uint options);
