win32u: Move NtUserPrintWindow implementation from user32.

dlls/user32/painting.c

@@ -62,18 +62,3 @@ BOOL WINAPI ScrollWindow( HWND hwnd, INT dx, INT dy,
     UINT flags = SW_INVALIDATE | SW_ERASE | (rect ? 0 : SW_SCROLLCHILDREN) | SW_NODCCACHE;
     return NtUserScrollWindowEx( hwnd, dx, dy, rect, clipRect, 0, NULL, flags );
 }
-
-/************************************************************************
- *		PrintWindow (USER32.@)
- *
- */
-BOOL WINAPI PrintWindow(HWND hwnd, HDC hdcBlt, UINT nFlags)
-{
-    UINT flags = PRF_CHILDREN | PRF_ERASEBKGND | PRF_OWNED | PRF_CLIENT;
-    if(!(nFlags & PW_CLIENTONLY))
-    {
-        flags |= PRF_NONCLIENT;
-    }
-    SendMessageW(hwnd, WM_PRINT, (WPARAM)hdcBlt, flags);
-    return TRUE;
-}

dlls/user32/user32.spec

@@ -576,7 +576,7 @@
 @ stdcall PostQuitMessage(long)
 @ stdcall PostThreadMessageA(long long long long)
 @ stdcall PostThreadMessageW(long long long long) NtUserPostThreadMessage
-@ stdcall PrintWindow(long long long)
+@ stdcall PrintWindow(long long long) NtUserPrintWindow
 @ stdcall PrivateExtractIconExA(str long ptr ptr long)
 @ stdcall PrivateExtractIconExW(wstr long ptr ptr long)
 @ stdcall PrivateExtractIconsA (str long long long ptr ptr long long)

dlls/win32u/dce.c

@@ -1858,3 +1858,14 @@ INT WINAPI NtUserScrollWindowEx( HWND hwnd, INT dx, INT dy, const RECT *rect,
 
     return retval;
 }
+
+/************************************************************************
+ *           NtUserPrintWindow (win32u.@)
+ */
+BOOL WINAPI NtUserPrintWindow( HWND hwnd, HDC hdc, UINT flags )
+{
+    UINT prf_flags = PRF_CHILDREN | PRF_ERASEBKGND | PRF_OWNED | PRF_CLIENT;
+    if (!(flags & PW_CLIENTONLY)) prf_flags |= PRF_NONCLIENT;
+    send_message( hwnd, WM_PRINT, (WPARAM)hdc, prf_flags );
+    return TRUE;
+}

dlls/win32u/syscall.c

@@ -237,6 +237,7 @@ static void * const syscalls[] =
     NtUserPerMonitorDPIPhysicalToLogicalPoint,
     NtUserPostMessage,
     NtUserPostThreadMessage,
+    NtUserPrintWindow,
     NtUserQueryInputContext,
     NtUserRedrawWindow,
     NtUserRegisterClassExWOW,

dlls/win32u/win32u.spec

@@ -1105,7 +1105,7 @@
 @ stub NtUserPostKeyboardInputMessage
 @ stdcall -syscall NtUserPostMessage(long long long long)
 @ stdcall -syscall NtUserPostThreadMessage(long long long long)
-@ stub NtUserPrintWindow
+@ stdcall -syscall NtUserPrintWindow(long long long)
 @ stub NtUserProcessConnect
 @ stub NtUserProcessInkFeedbackCommand
 @ stub NtUserPromoteMouseInPointer

dlls/wow64win/syscall.h

@@ -223,6 +223,7 @@
     SYSCALL_ENTRY( NtUserPerMonitorDPIPhysicalToLogicalPoint ) \
     SYSCALL_ENTRY( NtUserPostMessage ) \
     SYSCALL_ENTRY( NtUserPostThreadMessage ) \
+    SYSCALL_ENTRY( NtUserPrintWindow ) \
     SYSCALL_ENTRY( NtUserQueryInputContext ) \
     SYSCALL_ENTRY( NtUserRedrawWindow ) \
     SYSCALL_ENTRY( NtUserRegisterClassExWOW ) \

dlls/wow64win/user.c

@@ -3184,6 +3184,15 @@ NTSTATUS WINAPI wow64_NtUserPostThreadMessage( UINT *args )
     return NtUserPostThreadMessage( thread, msg, wparam, lparam );
 }
 
+NTSTATUS WINAPI wow64_NtUserPrintWindow( UINT *args )
+{
+    HWND hwnd = get_handle( &args );
+    HDC hdc = get_handle( &args );
+    UINT flags = get_ulong( &args );
+
+    return NtUserPrintWindow( hwnd, hdc, flags );
+}
+
 NTSTATUS WINAPI wow64_NtUserQueryInputContext( UINT *args )
 {
     HIMC handle = get_handle( &args );

include/ntuser.h

@@ -810,6 +810,7 @@ BOOL    WINAPI NtUserPeekMessage( MSG *msg_out, HWND hwnd, UINT first, UINT last
 BOOL    WINAPI NtUserPerMonitorDPIPhysicalToLogicalPoint( HWND hwnd, POINT *pt );
 BOOL    WINAPI NtUserPostMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam );
 BOOL    WINAPI NtUserPostThreadMessage( DWORD thread, UINT msg, WPARAM wparam, LPARAM lparam );
+BOOL    WINAPI NtUserPrintWindow( HWND hwnd, HDC hdc, UINT flags );
 UINT_PTR WINAPI NtUserQueryInputContext( HIMC handle, UINT attr );
 BOOL    WINAPI NtUserRedrawWindow( HWND hwnd, const RECT *rect, HRGN hrgn, UINT flags );
 ATOM    WINAPI NtUserRegisterClassExWOW( const WNDCLASSEXW *wc, UNICODE_STRING *name, UNICODE_STRING *version,