WM: Add operator property poll callback

This allows operators to filter out properties from the
auto-generated draw functions.

Some custom draw functions can move to using this.

1 files changed, 6 insertions, 0 deletions

diff --git a/source/blender/windowmanager/WM_types.h b/source/blender/windowmanager/WM_types.h
index 3d4080eb600..918188117eb 100644
--- a/source/blender/windowmanager/WM_types.h
+++ b/source/blender/windowmanager/WM_types.h
@@ -571,6 +571,12 @@ typedef struct wmOperatorType {
 	 * that the operator might still fail to execute even if this return true */
 	bool (*poll)(struct bContext *) ATTR_WARN_UNUSED_RESULT;
 
+	/* Use to check of properties should be displayed in auto-generated UI.
+	 * Use 'check' callback to enforce refreshing. */
+	bool (*poll_property)(
+	        const struct bContext *C, struct wmOperator *op,
+	        const PropertyRNA *prop) ATTR_WARN_UNUSED_RESULT;
+
 	/* optional panel for redo and repeat, autogenerated if not set */
 	void (*ui)(struct bContext *, struct wmOperator *);