From fd786c4176ed2856f2bdcdb57133186f6bce5523 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20K=C3=A4berich?= <jan.kaeberich@francis-weiler.de>
Date: Mon, 27 Dec 2021 16:23:11 +0100
Subject: [PATCH] Constrain marker X position to trace data points

---
 Software/PC_Application/Traces/Marker/marker.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Software/PC_Application/Traces/Marker/marker.cpp b/Software/PC_Application/Traces/Marker/marker.cpp
index 6ca8730..122c13b 100644
--- a/Software/PC_Application/Traces/Marker/marker.cpp
+++ b/Software/PC_Application/Traces/Marker/marker.cpp
@@ -839,6 +839,8 @@ void Marker::constrainPosition()
             } else if(position < parentTrace->minX()) {
                 position = parentTrace->minX();
             }
+            // set position to closest trace index
+            position = parentTrace->sample(parentTrace->index(position)).x;
         }
         traceDataChanged();
     }