UndoType: Refactor: replace `use_context` boolean by a bitflag.

We will soon need more options here, sinmpler and cleaner to use a
bitflag then.

1 files changed, 11 insertions, 5 deletions

diff --git a/source/blender/blenkernel/BKE_undo_system.h b/source/blender/blenkernel/BKE_undo_system.h
index 9af4c07a4dc..0603ef85cc1 100644
--- a/source/blender/blenkernel/BKE_undo_system.h
+++ b/source/blender/blenkernel/BKE_undo_system.h
@@ -140,11 +140,8 @@ typedef struct UndoType {
                               UndoTypeForEachIDRefFn foreach_ID_ref_fn,
                               void *user_data);
 
-  /**
-   * This undo type `encode` callback needs a valid context, it will fail otherwise.
-   * \note Callback is still supposed to properly deal with a NULL context pointer.
-   */
-  bool use_context_for_encode;
+  /** Information for the generic undo system to refine handling of this specific undo type. */
+  uint flags;
 
   /**
    * The size of the undo struct 'inherited' from #UndoStep for that specific type. Used for
@@ -152,6 +149,15 @@ typedef struct UndoType {
   size_t step_size;
 } UndoType;
 
+/** #UndoType.flag bitflags. */
+typedef enum UndoTypeFlags {
+  /**
+   * This undo type `encode` callback needs a valid context, it will fail otherwise.
+   * \note Callback is still supposed to properly deal with a NULL context pointer.
+   */
+  UNDOTYPE_FLAG_NEED_CONTEXT_FOR_ENCODE = 1 << 0,
+} UndoTypeFlags;
+
 /* Expose since we need to perform operations on specific undo types (rarely). */
 extern const UndoType *BKE_UNDOSYS_TYPE_IMAGE;
 extern const UndoType *BKE_UNDOSYS_TYPE_MEMFILE;