OcAppleEventEx: Initial import of protocol

Include/Acidanthera/Protocol/OcAppleEventEx.h

+#ifndef OC_APPLE_EVENT_EX_PROTOCOL_H_
+#define OC_APPLE_EVENT_EX_PROTOCOL_H_
+
+#include <Protocol/AppleEvent.h>
+
+#define OC_APPLE_EVENT_EX_PROTOCOL_REVISION  0x00000001
+
+#define OC_APPLE_EVENT_EX_PROTOCOL_GUID  \
+  { 0xA35F3047, 0x4F1C, 0x4937,  \
+    { 0xB9, 0x52, 0xBB, 0x58, 0x3A, 0x2E, 0x4E, 0x30 }}
+
+typedef struct OC_APPLE_EVENT_EX_PROTOCOL_ OC_APPLE_EVENT_EX_PROTOCOL;
+
+typedef
+UINT32
+(EFIAPI *OC_APPLE_EVENT_EX_SET_POINTER_SCALE)(
+  IN OUT OC_APPLE_EVENT_EX_PROTOCOL  *This,
+  IN     UINT32                      Scale
+  );
+
+struct OC_APPLE_EVENT_EX_PROTOCOL_ {
+  UINTN                               Revision;
+  OC_APPLE_EVENT_EX_SET_POINTER_SCALE SetPointerScale;
+  APPLE_EVENT_PROTOCOL                AppleEvent;
+};
+
+extern EFI_GUID gOcAppleEventExProtocolGuid;
+
+#endif // OC_APPLE_EVENT_EX_PROTOCOL_H_

OpenCorePkg.dec

@@ -498,6 +498,9 @@
   ## Include/Acidanthera/Protocol/OcAfterBootCompat.h
   gOcAfterBootCompatProtocolGuid             = { 0xC7CBA84E, 0xCC77, 0x461D, { 0x9E, 0x3C, 0x6B, 0xE0, 0xCB, 0x79, 0xA7, 0xC1 }}
 
+  ## Include/Acidanthera/Protocol/OcAppleEventEx.h
+  gOcAppleEventExProtocolGuid                = { 0xA35F3047, 0x4F1C, 0x4937, { 0xB9, 0x52, 0xBB, 0x58, 0x3A, 0x2E, 0x4E, 0x30 }}
+
   ## Include/Acidanthera/Protocol/OcFirmwareRuntime.h
   gOcFirmwareRuntimeProtocolGuid             = { 0x570332E4, 0xFC50, 0x4B21, { 0xAB, 0xE8, 0xAE, 0x72, 0xF0, 0x5B, 0x4F, 0xF7 }}