X-Git-Url: http://git.code-monkey.de/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Flogicsignal.hpp;h=10ede729d1b53b630613d56740ec6243339b9649;hp=45e815bae79e0d4e3fc8a68916be14a39183a9cd;hb=eeceee9955e7db4ac777d49d1b7a766069476b08;hpb=2795de2e7fdaeb6e9f672e0dc73dea328f35e585

diff --git a/pv/views/trace/logicsignal.hpp b/pv/views/trace/logicsignal.hpp
index 45e815b..10ede72 100644
--- a/pv/views/trace/logicsignal.hpp
+++ b/pv/views/trace/logicsignal.hpp
@@ -89,17 +89,6 @@ public:
 	 */
 	pair<int, int> v_extents() const;
 
-	/**
-	 * Returns the offset to show the drag handle.
-	 */
-	int scale_handle_offset() const;
-
-	/**
-	 * Handles the scale handle being dragged to an offset.
-	 * @param offset the offset the scale handle was dragged to.
-	 */
-	void scale_handle_dragged(int offset);
-
 	/**
 	 * Paints the mid-layer of the signal with a QPainter
 	 * @param p the QPainter to paint into.
@@ -114,6 +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,