static unsafe RawInputData ParseRawInputBufferItem(byte *ptr)
{
var header = *(RawInputHeader *)ptr;
var headerSize = MarshalExtensions.SizeOf <RawInputHeader>();
var dataPtr = ptr + headerSize;
if (IntPtr.Size == 4 && Environment.Is64BitOperatingSystem)
{
dataPtr += 8;
}
switch (header.Type)
{
case RawInputDeviceType.Mouse:
return(new RawInputMouseData(header, *(RawMouse *)dataPtr));
case RawInputDeviceType.Keyboard:
return(new RawInputKeyboardData(header, *(RawKeyboard *)dataPtr));
case RawInputDeviceType.Hid:
return(RawInputHidData.Create(header, RawHid.FromPointer(dataPtr)));
default:
throw new ArgumentException();
}
}
static unsafe RawInputData ParseRawInputBufferItem(byte *ptr)
{
var header = *(RawInputHeader *)ptr;
var headerSize = MarshalEx.SizeOf <RawInputHeader>();
var dataPtr = ptr + headerSize;
// RAWINPUT structure must be aligned by 8 bytes on WOW64
// https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getrawinputbuffer#remarks
if (EnvironmentEx.Is64BitProcess && EnvironmentEx.Is64BitOperatingSystem)
{
dataPtr += 8;
}
switch (header.Type)
{
case RawInputDeviceType.Mouse:
return(new RawInputMouseData(header, *(RawMouse *)dataPtr));
case RawInputDeviceType.Keyboard:
return(new RawInputKeyboardData(header, *(RawKeyboard *)dataPtr));
case RawInputDeviceType.Hid:
return(RawInputHidData.Create(header, RawHid.FromPointer(dataPtr)));
default:
throw new ArgumentException();
}
}
public RawInputDigitizerData(RawInputHeader header, RawHid hid)
: base(header, hid)
{
var digitizer = (RawInputDigitizer)Device;
var contactButtonStates = ButtonSetStates.SelectMany(x => x).Where(x => x.Button.LinkUsageAndPage != digitizer.UsageAndPage).ToLookup(x => x.Button.LinkCollection);
var contactValueStates = ValueSetStates.SelectMany(x => x).Where(x => x.Value.LinkUsageAndPage != digitizer.UsageAndPage).ToLookup(x => x.Value.LinkCollection);
var contactCount = ValueSetStates.SelectMany(x => x).FirstOrDefault(x => x.Value.LinkUsageAndPage == digitizer.UsageAndPage && x.Value.UsageAndPage == RawInputDigitizer.UsageContactCount)?.CurrentValue ?? 1;
Contacts = contactButtonStates.Select(buttonStates => new RawInputDigitizerContact(buttonStates, contactValueStates[buttonStates.Key]))
.Take(contactCount)
.ToArray();
}
public static unsafe byte[] GetHIDRawData(ref RawHid rawHid)
{
var byteCount = rawHid.dwCount * rawHid.dwSizeHid;
var result = new byte[byteCount];
fixed(byte *dest = result)
{
fixed(int *src = &rawHid.bRawData)
{
Unsafe.CopyBlockUnaligned(dest, src, byteCount);
}
}
return(result);
}
protected RawInputHidData(RawInputHeader header, RawHid hid)
: base(header) =>
