win32u: Move NtUserValidateRect implementation from user32.

dlls/user32/icontitle.c

@@ -176,7 +176,7 @@ LRESULT WINAPI IconTitleWndProc( HWND hWnd, UINT msg,
             else
                 lParam = (owner == GetActiveWindow());
             if( ICONTITLE_Paint( hWnd, owner, (HDC)wParam, (BOOL)lParam ) )
-                ValidateRect( hWnd, NULL );
+                NtUserValidateRect( hWnd, NULL );
             return 1;
     }
     return DefWindowProcW( hWnd, msg, wParam, lParam );

dlls/user32/painting.c

@@ -52,26 +52,6 @@ BOOL WINAPI ValidateRgn( HWND hwnd, HRGN hrgn )
 }
 
 
-/***********************************************************************
- *		ValidateRect (USER32.@)
- *
- * MSDN: if hwnd parameter is NULL, ValidateRect invalidates and redraws
- * all windows and sends WM_ERASEBKGND and WM_NCPAINT.
- */
-BOOL WINAPI ValidateRect( HWND hwnd, const RECT *rect )
-{
-    UINT flags = RDW_VALIDATE;
-
-    if (!hwnd)
-    {
-        flags = RDW_ALLCHILDREN | RDW_INVALIDATE | RDW_FRAME | RDW_ERASE | RDW_ERASENOW;
-        rect = NULL;
-    }
-
-    return NtUserRedrawWindow( hwnd, rect, 0, flags );
-}
-
-
 /*************************************************************************
  *		ScrollWindow (USER32.@)
  *

dlls/user32/user32.spec

@@ -807,7 +807,7 @@
 @ stdcall UserSignalProc(long long long long)
 # @ stub VRipOutput
 # @ stub VTagOutput
-@ stdcall ValidateRect(long ptr)
+@ stdcall ValidateRect(long ptr) NtUserValidateRect
 @ stdcall ValidateRgn(long long)
 @ stdcall VkKeyScanA(long)
 @ stdcall VkKeyScanExA(long long)

dlls/win32u/dce.c

@@ -1508,6 +1508,22 @@ BOOL WINAPI NtUserRedrawWindow( HWND hwnd, const RECT *rect, HRGN hrgn, UINT fla
 }
 
 /***********************************************************************
+ *           NtUserValidateRect (win32u.@)
+ */
+BOOL WINAPI NtUserValidateRect( HWND hwnd, const RECT *rect )
+{
+    UINT flags = RDW_VALIDATE;
+
+    if (!hwnd)
+    {
+        flags = RDW_ALLCHILDREN | RDW_INVALIDATE | RDW_FRAME | RDW_ERASE | RDW_ERASENOW;
+        rect = NULL;
+    }
+
+    return NtUserRedrawWindow( hwnd, rect, 0, flags );
+}
+
+/***********************************************************************
  *           NtUserGetUpdateRgn (win32u.@)
  */
 INT WINAPI NtUserGetUpdateRgn( HWND hwnd, HRGN hrgn, BOOL erase )

dlls/win32u/syscall.c

@@ -302,6 +302,7 @@ static void * const syscalls[] =
     NtUserUnregisterClass,
     NtUserUnregisterHotKey,
     NtUserUpdateInputContext,
+    NtUserValidateRect,
     NtUserVkKeyScanEx,
     NtUserWaitForInputIdle,
     NtUserWindowFromDC,

dlls/win32u/win32u.spec

@@ -1300,7 +1300,7 @@
 @ stub NtUserUpdateWindowInputSinkHints
 @ stub NtUserUpdateWindowTrackingInfo
 @ stub NtUserUserHandleGrantAccess
-@ stub NtUserValidateRect
+@ stdcall -syscall NtUserValidateRect(long ptr)
 @ stub NtUserValidateTimerCallback
 @ stdcall -syscall NtUserVkKeyScanEx(long long)
 @ stub NtUserWOWCleanup

dlls/wow64win/syscall.h

@@ -288,6 +288,7 @@
     SYSCALL_ENTRY( NtUserUnregisterClass ) \
     SYSCALL_ENTRY( NtUserUnregisterHotKey ) \
     SYSCALL_ENTRY( NtUserUpdateInputContext ) \
+    SYSCALL_ENTRY( NtUserValidateRect ) \
     SYSCALL_ENTRY( NtUserVkKeyScanEx ) \
     SYSCALL_ENTRY( NtUserWaitForInputIdle ) \
     SYSCALL_ENTRY( NtUserWindowFromDC ) \

dlls/wow64win/user.c

@@ -4102,6 +4102,14 @@ NTSTATUS WINAPI wow64_NtUserUpdateInputContext( UINT *args )
     return NtUserUpdateInputContext( handle, attr, value );
 }
 
+NTSTATUS WINAPI wow64_NtUserValidateRect( UINT *args )
+{
+    HWND hwnd = get_handle( &args );
+    const RECT *rect = get_ptr( &args );
+
+    return NtUserValidateRect( hwnd, rect );
+}
+
 NTSTATUS WINAPI wow64_NtUserVkKeyScanEx( UINT *args )
 {
     WCHAR chr = get_ulong( &args );

include/ntuser.h

@@ -892,6 +892,7 @@ BOOL    WINAPI NtUserUpdateInputContext( HIMC handle, UINT attr, UINT_PTR value
 BOOL    WINAPI NtUserUpdateLayeredWindow( HWND hwnd, HDC hdc_dst, const POINT *pts_dst, const SIZE *size,
                                           HDC hdc_src, const POINT *pts_src, COLORREF key,
                                           const BLENDFUNCTION *blend, DWORD flags, const RECT *dirty );
+BOOL    WINAPI NtUserValidateRect( HWND hwnd, const RECT *rect );
 WORD    WINAPI NtUserVkKeyScanEx( WCHAR chr, HKL layout );
 DWORD   WINAPI NtUserWaitForInputIdle( HANDLE process, DWORD timeout, BOOL wow );
 HWND    WINAPI NtUserWindowFromDC( HDC hdc );