RNA: add fallback update function

Use so we can have a default update function,
that doesn't need to be set for every property.

1 files changed, 14 insertions, 0 deletions

diff --git a/source/blender/makesrna/intern/rna_define.c b/source/blender/makesrna/intern/rna_define.c
index 8e24e9a8364..b1818cae62a 100644
--- a/source/blender/makesrna/intern/rna_define.c
+++ b/source/blender/makesrna/intern/rna_define.c
@@ -709,6 +709,14 @@ void RNA_define_animate_sdna(bool animate)
 }
 #endif
 
+#ifndef RNA_RUNTIME
+void RNA_define_fallback_property_update(int noteflag, const char *updatefunc)
+{
+  DefRNA.fallback.property_update.noteflag = noteflag;
+  DefRNA.fallback.property_update.updatefunc = updatefunc;
+}
+#endif
+
 void RNA_struct_free_extension(StructRNA *srna, ExtensionRNA *ext)
 {
 #ifdef RNA_RUNTIME
@@ -1413,6 +1421,12 @@ PropertyRNA *RNA_def_property(StructOrFunctionRNA *cont_,
   }
   /* TODO: do we want that for runtime-defined stuff too? I’d say no, but... maybe yes :/ */
 
+#ifndef RNA_RUNTIME
+  /* Both are typically cleared. */
+  RNA_def_property_update(
+      prop, DefRNA.fallback.property_update.noteflag, DefRNA.fallback.property_update.updatefunc);
+#endif
+
   rna_addtail(&cont->properties, prop);
 
   return prop;