MarginWidget: Added pure-virtual get_mouse_over_item

diff --git a/pv/view/marginwidget.hpp b/pv/view/marginwidget.hpp
index bd74801bf4d04a7f71e6a3875e2b8ed5acf652e9..b8bcdd77744f2e7676cdbb3a25d1eff9e321c852 100644 (file)
--- a/pv/view/marginwidget.hpp
+++ b/pv/view/marginwidget.hpp
@@ -52,6 +52,15 @@ protected:
         */
        virtual std::vector< std::shared_ptr<pv::view::ViewItem> > items() = 0;
 
+       /**
+        * Gets the first view item which has a label that contains @c pt .
+        * @param pt the point to search with.
+        * @return the view item that has been found, or and empty
+        *   @c shared_ptr if no item was found.
+        */
+       virtual std::shared_ptr<pv::view::ViewItem> get_mouse_over_item(
+               const QPoint &pt) = 0;
+
        /**
         * Shows the popup of a the specified @c ViewItem .
         * @param item The item to show the popup for.