win32u: Move process default layout handling from user32.

dlls/user32/class.c

@@ -309,6 +309,8 @@ static void load_uxtheme(void)
  */
 BOOL WINAPI User32RegisterBuiltinClasses( const struct win_hook_params *params, ULONG size )
 {
+    DWORD layout;
+
     register_builtin( &BUTTON_builtin_class );
     register_builtin( &COMBO_builtin_class );
     register_builtin( &COMBOLBOX_builtin_class );
@@ -322,6 +324,8 @@ BOOL WINAPI User32RegisterBuiltinClasses( const struct win_hook_params *params,
     register_builtin( &STATIC_builtin_class );
     register_builtin( &IME_builtin_class );
 
+    GetProcessDefaultLayout( &layout ); /* make sure that process layout is initialized */
+
     /* Load uxtheme.dll so that standard scrollbars and dialogs are hooked for theming support */
     load_uxtheme();
     return TRUE;

dlls/user32/win.c

@@ -36,8 +36,6 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(win);
 
-static DWORD process_layout = ~0u;
-
 
 /***********************************************************************
  *           get_user_handle_ptr
@@ -626,15 +624,6 @@ HWND WIN_CreateWindowEx( CREATESTRUCTW *cs, LPCWSTR className, HINSTANCE module,
         }
     }
 
-    /* FIXME: move to win32u */
-    if (!cs->hwndParent && className != (const WCHAR *)DESKTOP_CLASS_ATOM &&
-        (IS_INTRESOURCE(className) || wcsicmp( className, L"Message" )))
-    {
-        DWORD layout;
-        GetProcessDefaultLayout( &layout );
-        if (layout & LAYOUT_RTL) cs->dwExStyle |= WS_EX_LAYOUTRTL;
-    }
-
     menu = cs->hMenu;
     if (!menu && info.lpszMenuName && (cs->style & (WS_CHILD | WS_POPUP)) != WS_CHILD)
         menu = LoadMenuW( cs->hInstance, info.lpszMenuName );
@@ -1610,7 +1599,8 @@ BOOL WINAPI GetProcessDefaultLayout( DWORD *layout )
         SetLastError( ERROR_NOACCESS );
         return FALSE;
     }
-    if (process_layout == ~0u)
+    *layout = NtUserGetProcessDefaultLayout();
+    if (*layout == ~0u)
     {
         WCHAR *str, buffer[MAX_PATH];
         DWORD i, version_layout = 0;
@@ -1640,9 +1630,8 @@ BOOL WINAPI GetProcessDefaultLayout( DWORD *layout )
 
     done:
         HeapFree( GetProcessHeap(), 0, data );
-        process_layout = version_layout;
+        NtUserSetProcessDefaultLayout( *layout = version_layout );
     }
-    *layout = process_layout;
     return TRUE;
 }
 
@@ -1654,8 +1643,7 @@ BOOL WINAPI GetProcessDefaultLayout( DWORD *layout )
  */
 BOOL WINAPI SetProcessDefaultLayout( DWORD layout )
 {
-    process_layout = layout;
-    return TRUE;
+    return NtUserSetProcessDefaultLayout( layout );
 }
 
 #ifdef _WIN64

dlls/win32u/sysparams.c

@@ -360,6 +360,7 @@ union sysparam_all_entry
 
 static UINT system_dpi;
 static RECT work_area;
+DWORD process_layout = ~0u;
 
 static HDC display_dc;
 static pthread_mutex_t display_dc_lock = PTHREAD_MUTEX_INITIALIZER;
@@ -4714,6 +4715,9 @@ ULONG_PTR WINAPI NtUserCallNoParam( ULONG code )
     case NtUserCallNoParam_GetInputState:
         return get_input_state();
 
+    case NtUserCallNoParam_GetProcessDefaultLayout:
+        return process_layout;
+
     case NtUserCallNoParam_ReleaseCapture:
         return release_capture();
 
@@ -4805,6 +4809,10 @@ ULONG_PTR WINAPI NtUserCallOneParam( ULONG_PTR arg, ULONG code )
     case NtUserCallOneParam_SetCaretBlinkTime:
         return set_caret_blink_time( arg );
 
+    case NtUserCallOneParam_SetProcessDefaultLayout:
+        process_layout = arg;
+        return TRUE;
+
     /* temporary exports */
     case NtUserCallHooks:
         {

dlls/win32u/win32u_private.h

@@ -424,6 +424,7 @@ extern LRESULT send_message_timeout( HWND hwnd, UINT msg, WPARAM wparam, LPARAM
 
 /* sysparams.c */
 extern BOOL enable_thunk_lock DECLSPEC_HIDDEN;
+extern DWORD process_layout DECLSPEC_HIDDEN;
 extern HBRUSH get_55aa_brush(void) DECLSPEC_HIDDEN;
 extern DWORD get_dialog_base_units(void) DECLSPEC_HIDDEN;
 extern LONG get_char_dimensions( HDC hdc, TEXTMETRICW *metric, LONG *height ) DECLSPEC_HIDDEN;

dlls/win32u/window.c

@@ -5126,6 +5126,7 @@ HWND WINAPI NtUserCreateWindowEx( DWORD ex_style, UNICODE_STRING *class_name,
             (class_name->Length != sizeof(messageW) ||
              wcsnicmp( class_name->Buffer, messageW, ARRAYSIZE(messageW) )))
         {
+            if (process_layout & LAYOUT_RTL) cs.dwExStyle |= WS_EX_LAYOUTRTL;
             parent = get_desktop_window();
         }
     }

include/ntuser.h

@@ -725,6 +725,7 @@ enum
     NtUserCallNoParam_GetDesktopWindow,
     NtUserCallNoParam_GetDialogBaseUnits,
     NtUserCallNoParam_GetInputState,
+    NtUserCallNoParam_GetProcessDefaultLayout,
     NtUserCallNoParam_ReleaseCapture,
     /* temporary exports */
     NtUserExitingThread,
@@ -751,6 +752,11 @@ static inline BOOL NtUserGetInputState(void)
     return NtUserCallNoParam( NtUserCallNoParam_GetInputState );
 }
 
+static inline DWORD NtUserGetProcessDefaultLayout(void)
+{
+    return NtUserCallNoParam( NtUserCallNoParam_GetProcessDefaultLayout );
+}
+
 static inline BOOL NtUserReleaseCapture(void)
 {
     return NtUserCallNoParam( NtUserCallNoParam_ReleaseCapture );
@@ -780,6 +786,7 @@ enum
     NtUserCallOneParam_MessageBeep,
     NtUserCallOneParam_RealizePalette,
     NtUserCallOneParam_SetCaretBlinkTime,
+    NtUserCallOneParam_SetProcessDefaultLayout,
     /* temporary exports */
     NtUserCallHooks,
     NtUserGetDeskPattern,
@@ -898,6 +905,11 @@ static inline UINT NtUserRealizePalette( HDC hdc )
     return NtUserCallOneParam( HandleToUlong(hdc), NtUserCallOneParam_RealizePalette );
 }
 
+static inline UINT NtUserSetProcessDefaultLayout( DWORD layout )
+{
+    return NtUserCallOneParam( layout, NtUserCallOneParam_SetProcessDefaultLayout );
+}
+
 /* NtUserCallTwoParam codes, not compatible with Windows */
 enum
 {