rna pointer poll function, not used yet.

1 files changed, 2 insertions, 0 deletions

diff --git a/source/blender/makesrna/intern/rna_internal_types.h b/source/blender/makesrna/intern/rna_internal_types.h
index 7737d6094bc..216533a8708 100644
--- a/source/blender/makesrna/intern/rna_internal_types.h
+++ b/source/blender/makesrna/intern/rna_internal_types.h
@@ -87,6 +87,7 @@ typedef EnumPropertyItem *(*PropEnumItemFunc)(struct bContext *C, struct Pointer
 typedef PointerRNA (*PropPointerGetFunc)(struct PointerRNA *ptr);
 typedef StructRNA* (*PropPointerTypeFunc)(struct PointerRNA *ptr);
 typedef void (*PropPointerSetFunc)(struct PointerRNA *ptr, const PointerRNA value);
+typedef int (*PropPointerPollFunc)(struct PointerRNA *ptr, const PointerRNA value);
 typedef void (*PropCollectionBeginFunc)(struct CollectionPropertyIterator *iter, struct PointerRNA *ptr);
 typedef void (*PropCollectionNextFunc)(struct CollectionPropertyIterator *iter);
 typedef void (*PropCollectionEndFunc)(struct CollectionPropertyIterator *iter);
@@ -257,6 +258,7 @@ typedef struct PointerPropertyRNA {
 	PropPointerGetFunc get;
 	PropPointerSetFunc set;
 	PropPointerTypeFunc typef;
+	PropPointerPollFunc poll; /* unlike operators, 'set' can still run if poll fails, used for filtering display */
 
 	struct StructRNA *type;
 } PointerPropertyRNA;