From 51557c8959075ff1d53b23ac17232c61de64b53a Mon Sep 17 00:00:00 2001
From: Taiki Kim <taikikim01@gmail.com>
Date: Sat, 18 Jun 2016 13:39:58 -0700
Subject: [PATCH] Record state modification when changing a track's spectrogram
 settings

Fixes Bug 1277.
---
 src/TrackPanel.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/TrackPanel.cpp b/src/TrackPanel.cpp
index 0aad99f64..2ef5371c9 100644
--- a/src/TrackPanel.cpp
+++ b/src/TrackPanel.cpp
@@ -8014,9 +8014,11 @@ void TrackPanel::OnSpectrogramSettings(wxCommandEvent &)
    wxString title(wt->GetName() + wxT(": "));
    ViewSettingsDialog dialog(this, title, factories, page);
 
-   if (0 != dialog.ShowModal())
+   if (0 != dialog.ShowModal()) {
+      MakeParentModifyState(true);
       // Redraw
       Refresh(false);
+   }
 }
 
 ///  Set the Display mode based on the menu choice in the Track Menu.