AnalogSignal: Use setting change handler for threshold display

[pulseview.git] / pv / views / trace / viewitemowner.hpp

diff --git a/pv/views/trace/viewitemowner.hpp b/pv/views/trace/viewitemowner.hpp
index b8dbe202fd427732974727d49ad30b5ec208fb27..29f74b5aff7ddcdfb47cf2fad387ee98e2b11b55 100644 (file)
--- a/pv/views/trace/viewitemowner.hpp
+++ b/pv/views/trace/viewitemowner.hpp
@@ -50,7 +50,7 @@ public:
        /**
         * Returns a list of row items owned by this object.
         */
-       virtual const item_list& child_items() const = 0;
+       virtual const item_list& child_items() const;
 
        /**
         * Returns a depth-first iterator at the beginning of the child ViewItem