From ebef4aef2fe92d4bc9e494ff5c38c7c3c028a6ce Mon Sep 17 00:00:00 2001
From: Paul Licameli <paul.licameli@gmail.com>
Date: Tue, 18 Aug 2015 12:07:16 -0400
Subject: [PATCH] Fix ctrl-mousewheel in vertical ruler of stereo track

---
 src/TrackPanel.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/TrackPanel.cpp b/src/TrackPanel.cpp
index 168a09736..7c128ecd7 100644
--- a/src/TrackPanel.cpp
+++ b/src/TrackPanel.cpp
@@ -6158,6 +6158,16 @@ void TrackPanel::HandleWheelRotation(wxMouseEvent & event)
                      settings.NextLowerDBRange();
                   else
                      settings.NextHigherDBRange();
+
+                  WaveTrack *const partner = static_cast<WaveTrack*>(wt->GetLink());
+                  if (partner) {
+                     WaveformSettings &settings = partner->GetIndependentWaveformSettings();
+                     if (event.m_wheelRotation < 0)
+                        // Zoom out
+                        settings.NextLowerDBRange();
+                     else
+                        settings.NextHigherDBRange();
+                  }
                }
                else
                   return;