Fix #1292/1294 by snapping to any edge when not hovering over a signal

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

diff --git a/pv/views/trace/analogsignal.hpp b/pv/views/trace/analogsignal.hpp
index 19334ee289e08ee049736ff2218da59308cebff5..60acc2eb68ccebe0eba775bc3c141122f02eac20 100644 (file)
--- a/pv/views/trace/analogsignal.hpp
+++ b/pv/views/trace/analogsignal.hpp
@@ -86,22 +86,6 @@ 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);
-
-       /**
-        * @copydoc pv::view::Signal::signal_scale_handle_drag_release()
-        */
-       void scale_handle_drag_release();
-
        virtual void on_setting_changed(const QString &key, const QVariant &value);
 
        /**
@@ -157,6 +141,15 @@ private:
 
        void update_conversion_widgets();
 
+       /**
+        * 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);
+
        void perform_autoranging(bool keep_divs, bool force_update);
 
        void reset_pixel_values();
@@ -193,7 +186,6 @@ private:
 
        float scale_;
        int scale_index_;
-       int scale_index_drag_offset_;
 
        int div_height_;
        int pos_vdivs_, neg_vdivs_;  // divs per positive/negative side