win32u: Move NtUserGetClipboardViewer implementation from user32.

dlls/user32/clipboard.c

@@ -795,25 +795,6 @@ HWND WINAPI SetClipboardViewer( HWND hwnd )
 
 
 /**************************************************************************
- *              GetClipboardViewer (USER32.@)
- */
-HWND WINAPI GetClipboardViewer(void)
-{
-    HWND hWndViewer = 0;
-
-    SERVER_START_REQ( get_clipboard_info )
-    {
-        if (!wine_server_call_err( req )) hWndViewer = wine_server_ptr_handle( reply->viewer );
-    }
-    SERVER_END_REQ;
-
-    TRACE( "returning %p\n", hWndViewer );
-
-    return hWndViewer;
-}
-
-
-/**************************************************************************
  *              ChangeClipboardChain (USER32.@)
  */
 BOOL WINAPI ChangeClipboardChain( HWND hwnd, HWND next )

dlls/user32/user32.spec

@@ -279,7 +279,7 @@
 @ stdcall GetClipboardFormatNameW(long ptr long) NtUserGetClipboardFormatName
 @ stdcall GetClipboardOwner() NtUserGetClipboardOwner
 @ stdcall GetClipboardSequenceNumber ()
-@ stdcall GetClipboardViewer()
+@ stdcall GetClipboardViewer() NtUserGetClipboardViewer
 @ stdcall GetComboBoxInfo(long ptr)
 @ stdcall GetCurrentInputMessageSource(ptr)
 @ stdcall GetCursor()

dlls/win32u/clipboard.c

@@ -157,3 +157,20 @@ HWND WINAPI NtUserGetClipboardOwner(void)
     TRACE( "returning %p\n", owner );
     return owner;
 }
+
+/**************************************************************************
+ *           NtUserGetClipboardViewer    (win32u.@)
+ */
+HWND WINAPI NtUserGetClipboardViewer(void)
+{
+    HWND viewer = 0;
+
+    SERVER_START_REQ( get_clipboard_info )
+    {
+        if (!wine_server_call_err( req )) viewer = wine_server_ptr_handle( reply->viewer );
+    }
+    SERVER_END_REQ;
+
+    TRACE( "returning %p\n", viewer );
+    return viewer;
+}

dlls/win32u/syscall.c

@@ -107,6 +107,7 @@ static void * const syscalls[] =
     NtUserCreateWindowStation,
     NtUserGetClipboardFormatName,
     NtUserGetClipboardOwner,
+    NtUserGetClipboardViewer,
     NtUserGetLayeredWindowAttributes,
     NtUserGetObjectInformation,
     NtUserGetProcessWindowStation,

dlls/win32u/win32u.spec

@@ -906,7 +906,7 @@
 @ stdcall -syscall NtUserGetClipboardFormatName(long ptr long)
 @ stdcall -syscall NtUserGetClipboardOwner()
 @ stub NtUserGetClipboardSequenceNumber
-@ stub NtUserGetClipboardViewer
+@ stdcall -syscall NtUserGetClipboardViewer()
 @ stub NtUserGetComboBoxInfo
 @ stub NtUserGetControlBrush
 @ stub NtUserGetControlColor

dlls/wow64win/syscall.h

@@ -94,6 +94,7 @@
     SYSCALL_ENTRY( NtUserCreateWindowStation ) \
     SYSCALL_ENTRY( NtUserGetClipboardFormatName ) \
     SYSCALL_ENTRY( NtUserGetClipboardOwner ) \
+    SYSCALL_ENTRY( NtUserGetClipboardViewer ) \
     SYSCALL_ENTRY( NtUserGetLayeredWindowAttributes ) \
     SYSCALL_ENTRY( NtUserGetObjectInformation ) \
     SYSCALL_ENTRY( NtUserGetProcessWindowStation ) \

dlls/wow64win/user.c

@@ -204,3 +204,8 @@ NTSTATUS WINAPI wow64_NtUserGetClipboardOwner( UINT *args )
 {
     return HandleToUlong( NtUserGetClipboardOwner() );
 }
+
+NTSTATUS WINAPI wow64_NtUserGetClipboardViewer( UINT *args )
+{
+    return HandleToUlong( NtUserGetClipboardViewer() );
+}

include/ntuser.h

@@ -33,6 +33,7 @@ HWINSTA WINAPI NtUserCreateWindowStation( OBJECT_ATTRIBUTES *attr, ACCESS_MASK m
                                           ULONG arg4, ULONG arg5, ULONG arg6, ULONG arg7 );
 INT     WINAPI NtUserGetClipboardFormatName( UINT format, WCHAR *buffer, INT maxlen );
 HWND    WINAPI NtUserGetClipboardOwner(void);
+HWND    WINAPI NtUserGetClipboardViewer(void);
 BOOL    WINAPI NtUserGetLayeredWindowAttributes( HWND hwnd, COLORREF *key, BYTE *alpha, DWORD *flags );
 BOOL    WINAPI NtUserGetObjectInformation( HANDLE handle, INT index, void *info,
                                            DWORD len, DWORD *needed );