X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Flogicsignal.hpp;h=10ede729d1b53b630613d56740ec6243339b9649;hp=04ba1305fc455a8addd8f75236e529ebd04dc5d1;hb=f6b6c9bf50999dc99f9517318ffd3114cae4960f;hpb=cc844e861276b56837c345d69975c50f009d57af

diff --git a/pv/views/trace/logicsignal.hpp b/pv/views/trace/logicsignal.hpp
index 04ba1305..10ede729 100644
--- a/pv/views/trace/logicsignal.hpp
+++ b/pv/views/trace/logicsignal.hpp
@@ -103,6 +103,15 @@ public:
 	 */
 	virtual void paint_fore(QPainter &p, ViewItemPaintParams &pp);
 
+	/**
+	 * Determines the closest level change (i.e. edge) to a given sample, which
+	 * is useful for e.g. the "snap to edge" functionality.
+	 *
+	 * @param sample_pos Sample to use
+	 * @return The changes left and right of the given position
+	 */
+	virtual vector<data::LogicSegment::EdgePair> get_nearest_level_changes(uint64_t sample_pos);
+
 private:
 	void paint_caps(QPainter &p, QLineF *const lines,
 		vector< pair<int64_t, bool> > &edges,