X-Git-Url: http://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Fruler.hpp;fp=pv%2Fviews%2Ftrace%2Fruler.hpp;h=18a09d9baf5fce069f8ebeaf8b584a142058e36f;hp=3a3ada528c7c32d1435e48e5ae19b1416bb94ad3;hb=9f094349d415a37ec30fa2aa2bb6c979c03d6bc1;hpb=710c2a1896fbac968c82f2d1257aaabd10a48cc8

diff --git a/pv/views/trace/ruler.hpp b/pv/views/trace/ruler.hpp
index 3a3ada52..18a09d9b 100644
--- a/pv/views/trace/ruler.hpp
+++ b/pv/views/trace/ruler.hpp
@@ -123,7 +123,7 @@ public:
 	pv::util::Timestamp get_ruler_time_from_absolute_time(const pv::util::Timestamp& abs_time) const;
 	pv::util::Timestamp get_absolute_time_from_ruler_time(const pv::util::Timestamp& ruler_time) const;
 
-	shared_ptr<TimeItem> get_reference_item();
+	shared_ptr<TimeItem> get_reference_item() const;
 
 protected:
 	virtual void contextMenuEvent(QContextMenuEvent *event) override;