user32: Add stub for GetCurrentInputMessageSource().

dlls/api-ms-win-rtcore-ntuser-wmpointer-l1-1-0/api-ms-win-rtcore-ntuser-wmpointer-l1-1-0.spec

 @ stdcall EnableMouseInPointer(long) user32.EnableMouseInPointer
-@ stub GetCurrentInputMessageSource
+@ stdcall GetCurrentInputMessageSource(ptr) user32.GetCurrentInputMessageSource
 @ stub GetPointerCursorId
 @ stub GetPointerDevice
 @ stub GetPointerDeviceProperties

dlls/user32/message.c

@@ -4132,6 +4132,16 @@ LPARAM WINAPI SetMessageExtraInfo(LPARAM lParam)
 
 
 /***********************************************************************
+ *		GetCurrentInputMessageSource (USER32.@)
+ */
+BOOL WINAPI GetCurrentInputMessageSource( INPUT_MESSAGE_SOURCE *source )
+{
+    FIXME( "stub\n" );
+    return FALSE;
+}
+
+
+/***********************************************************************
  *		WaitMessage (USER.112) Suspend thread pending messages
  *		WaitMessage (USER32.@) Suspend thread pending messages
  *

dlls/user32/user32.spec

@@ -280,6 +280,7 @@
 @ stdcall GetClipboardSequenceNumber ()
 @ stdcall GetClipboardViewer()
 @ stdcall GetComboBoxInfo(long ptr)
+@ stdcall GetCurrentInputMessageSource(ptr)
 @ stdcall GetCursor()
 @ stdcall GetCursorFrameInfo(long long long ptr ptr)
 @ stdcall GetCursorInfo(ptr)

include/winuser.h

@@ -674,6 +674,30 @@ typedef struct tagGUITHREADINFO
 #define GUI_POPUPMENUMODE   0x00000010
 #define GUI_16BITTASK       0x00000020
 
+typedef enum tagINPUT_MESSAGE_DEVICE_TYPE
+{
+    IMDT_UNAVAILABLE = 0x00,
+    IMDT_KEYBOARD    = 0x01,
+    IMDT_MOUSE       = 0x02,
+    IMDT_TOUCH       = 0x04,
+    IMDT_PEN         = 0x08,
+    IMDT_TOUCHPAD    = 0x10,
+} INPUT_MESSAGE_DEVICE_TYPE;
+
+typedef enum tagINPUT_MESSAGE_ORIGIN_ID
+{
+     IMO_UNAVAILABLE = 0x00,
+     IMO_HARDWARE    = 0x01,
+     IMO_INJECTED    = 0x02,
+     IMO_SYSTEM      = 0x04,
+} INPUT_MESSAGE_ORIGIN_ID;
+
+typedef struct tagINPUT_MESSAGE_SOURCE
+{
+    INPUT_MESSAGE_DEVICE_TYPE deviceType;
+    INPUT_MESSAGE_ORIGIN_ID   originId;
+} INPUT_MESSAGE_SOURCE;
+
 
 /***** Dialogs *****/
 
@@ -3718,6 +3742,7 @@ WINUSERAPI DWORD       WINAPI GetClipboardSequenceNumber(VOID);
 WINUSERAPI HWND        WINAPI GetClipboardViewer(void);
 WINUSERAPI BOOL        WINAPI GetClipCursor(LPRECT);
 WINUSERAPI BOOL        WINAPI GetComboBoxInfo(HWND,PCOMBOBOXINFO);
+WINUSERAPI BOOL        WINAPI GetCurrentInputMessageSource(INPUT_MESSAGE_SOURCE*);
 WINUSERAPI HCURSOR     WINAPI GetCursor(void);
 WINUSERAPI BOOL        WINAPI GetCursorInfo(PCURSORINFO);
 WINUSERAPI HCURSOR     WINAPI GetCursorFrameInfo(HCURSOR,DWORD,DWORD,DWORD*,DWORD*);