Cleanup: Move `BKE_blender_undo.h` to full Cpp header `BKE_blender_undo.hh`.

source/blender/blenkernel/BKE_blender_undo.h

@@ -1,32 +0,0 @@
-/* SPDX-FileCopyrightText: 2023 Blender Authors
- *
- * SPDX-License-Identifier: GPL-2.0-or-later */
-#pragma once
-
-/** \file
- * \ingroup bke
- */
-
-#include "BKE_undo_system.hh"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct Main;
-struct MemFileUndoData;
-struct bContext;
-
-#define BKE_UNDO_STR_MAX 64
-
-struct MemFileUndoData *BKE_memfile_undo_encode(struct Main *bmain,
-                                                struct MemFileUndoData *mfu_prev);
-bool BKE_memfile_undo_decode(struct MemFileUndoData *mfu,
-                             enum eUndoStepDir undo_direction,
-                             bool use_old_bmain_data,
-                             struct bContext *C);
-void BKE_memfile_undo_free(struct MemFileUndoData *mfu);
-
-#ifdef __cplusplus
-}
-#endif

source/blender/blenkernel/BKE_blender_undo.hh

@@ -0,0 +1,23 @@
+/* SPDX-FileCopyrightText: 2023 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+#pragma once
+
+/** \file
+ * \ingroup bke
+ */
+
+#include "BKE_undo_system.hh"
+
+struct Main;
+struct MemFileUndoData;
+struct bContext;
+
+#define BKE_UNDO_STR_MAX 64
+
+MemFileUndoData *BKE_memfile_undo_encode(Main *bmain, MemFileUndoData *mfu_prev);
+bool BKE_memfile_undo_decode(MemFileUndoData *mfu,
+                             eUndoStepDir undo_direction,
+                             bool use_old_bmain_data,
+                             bContext *C);
+void BKE_memfile_undo_free(MemFileUndoData *mfu);

source/blender/blenkernel/CMakeLists.txt

@@ -340,7 +340,7 @@ set(SRC
   BKE_bake_items_socket.hh
   BKE_blender.h
   BKE_blender_copybuffer.hh
-  BKE_blender_undo.h
+  BKE_blender_undo.hh
   BKE_blender_user_menu.hh
   BKE_blender_version.h
   BKE_blendfile.hh

source/blender/blenkernel/intern/blender_undo.cc

@@ -31,7 +31,7 @@
 #include "BLI_utildefines.h"
 
 #include "BKE_appdir.hh"
-#include "BKE_blender_undo.h" /* own include */
+#include "BKE_blender_undo.hh" /* own include */
 #include "BKE_blendfile.hh"
 #include "BKE_context.hh"
 #include "BKE_global.h"

source/blender/editors/gpencil_legacy/gpencil_undo.cc

@@ -18,7 +18,7 @@
 
 #include "BLI_listbase.h"
 
-#include "BKE_blender_undo.h"
+#include "BKE_blender_undo.hh"
 #include "BKE_context.hh"
 #include "BKE_gpencil_legacy.h"
 #include "BKE_undo_system.hh"

source/blender/editors/interface/interface_handlers.cc

@@ -34,7 +34,7 @@
 #include "BLI_utildefines.h"
 
 #include "BKE_animsys.h"
-#include "BKE_blender_undo.h"
+#include "BKE_blender_undo.hh"
 #include "BKE_brush.hh"
 #include "BKE_colorband.hh"
 #include "BKE_colortools.hh"

source/blender/editors/undo/ed_undo.cc

@@ -20,7 +20,7 @@
 
 #include "BLT_translation.h"
 
-#include "BKE_blender_undo.h"
+#include "BKE_blender_undo.hh"
 #include "BKE_callbacks.h"
 #include "BKE_context.hh"
 #include "BKE_global.h"

source/blender/editors/undo/memfile_undo.cc

@@ -21,7 +21,7 @@
 #include "DNA_object_types.h"
 #include "DNA_scene_types.h"
 
-#include "BKE_blender_undo.h"
+#include "BKE_blender_undo.hh"
 #include "BKE_context.hh"
 #include "BKE_lib_id.hh"
 #include "BKE_lib_query.hh"