private void OnEnable()
{
RawInputWindowProcedure.Instance.ReceiveRawInput += OnReceiveRawInput;
#if UNITY_EDITOR
Debug.Log("RawInputDevice.RegisterDevice was skipped in editor, readWhenBackground = " + readWhenBackground);
#else
RawInputDevice.RegisterDevice(
HidUsageAndPage.Mouse,
readWhenBackground
? RawInputDeviceFlags.InputSink
: RawInputDeviceFlags.None,
WinApiUtils.GetUnityWindowHandle()
);
#endif
}
/// <summary>
/// Force to stop window hook. Normally you do not have to call it directly.
/// </summary>
public void DisableWindowHook()
{
// Avoid to assign invalid window procedure.
if (_oldWndProcPtr == IntPtr.Zero)
{
return;
}
// Reset Window Procedure to original one.
#if !UNITY_EDITOR
SetWindowLongPtr(WinApiUtils.GetUnityWindowHandle(), GWLP_WNDPROC, _oldWndProcPtr);
#endif
_oldWndProcPtr = IntPtr.Zero;
_newWndProcPtr = IntPtr.Zero;
_newWndProc = null;
_isWindowHooked = false;
_receiveRawInput = null;
}
private void EnableWindowHook()
{
if (_isWindowHooked)
{
return;
}
// Hook window procedure
_newWndProc = WndProc;
_newWndProcPtr = Marshal.GetFunctionPointerForDelegate(_newWndProc);
#if UNITY_EDITOR
Debug.Log("Do not start RawInputWindowProcedure, because function '" + nameof(SetWindowLongPtr) + "' might leads editor crash.");
Debug.Log(
$"{nameof(_newWndProcPtr)} remains to IntPtr.Zero, and param {nameof(GWLP_WNDPROC)} is not used.");
#else
_oldWndProcPtr = SetWindowLongPtr(
WinApiUtils.GetUnityWindowHandle(), GWLP_WNDPROC, _newWndProcPtr
);
#endif
_isWindowHooked = true;
}