From fee41b79b247b08f4ef3f0029b42022b38544240 Mon Sep 17 00:00:00 2001
From: Paul Licameli <paul.licameli@gmail.com>
Date: Sat, 1 Aug 2015 16:30:40 -0400
Subject: [PATCH] Do not allow independent variation of vertical scales of
 stereo channels...

... using the pop-up menu.
---
 src/TrackPanel.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/TrackPanel.cpp b/src/TrackPanel.cpp
index 81a5d7a92..43834de37 100644
--- a/src/TrackPanel.cpp
+++ b/src/TrackPanel.cpp
@@ -9367,6 +9367,7 @@ void TrackPanel::OnTimeTrackLogInt(wxCommandEvent & /*event*/)
 void TrackPanel::OnWaveformScaleType(wxCommandEvent &evt)
 {
    WaveTrack *const wt = static_cast<WaveTrack *>(mPopupMenuTarget);
+   WaveTrack *const partner = static_cast<WaveTrack*>(wt->GetLink());
    const WaveformSettings::ScaleType newScaleType =
       WaveformSettings::ScaleType(
          std::max(0,
@@ -9375,6 +9376,8 @@ void TrackPanel::OnWaveformScaleType(wxCommandEvent &evt)
       )));
    if (wt->GetWaveformSettings().scaleType != newScaleType) {
       wt->GetIndependentWaveformSettings().scaleType = newScaleType;
+      if (partner)
+         partner->GetIndependentWaveformSettings().scaleType = newScaleType;
       UpdateVRuler(wt); // Is this really needed?
       MakeParentModifyState(true);
       Refresh(false);
@@ -9384,6 +9387,7 @@ void TrackPanel::OnWaveformScaleType(wxCommandEvent &evt)
 void TrackPanel::OnSpectrumScaleType(wxCommandEvent &evt)
 {
    WaveTrack *const wt = static_cast<WaveTrack *>(mPopupMenuTarget);
+   WaveTrack *const partner = static_cast<WaveTrack*>(wt->GetLink());
    const SpectrogramSettings::ScaleType newScaleType =
       SpectrogramSettings::ScaleType(
          std::max(0,
@@ -9392,6 +9396,8 @@ void TrackPanel::OnSpectrumScaleType(wxCommandEvent &evt)
       )));
    if (wt->GetSpectrogramSettings().scaleType != newScaleType) {
       wt->GetIndependentSpectrogramSettings().scaleType = newScaleType;
+      if (partner)
+         partner->GetIndependentSpectrogramSettings().scaleType = newScaleType;
       UpdateVRuler(wt); // Is this really needed?
       MakeParentModifyState(true);
       Refresh(false);