From 3e5bfa0c123bd9efb12fef04c9b7f0e5c1c1ed27 Mon Sep 17 00:00:00 2001
From: Paul Licameli <paul.licameli@audacityteam.org>
Date: Thu, 25 Apr 2019 17:52:22 -0400
Subject: [PATCH] Make sure HistoryWindow does space usage update if hidden
 then shown again

---
 src/HistoryWindow.cpp | 8 +++++++-
 src/HistoryWindow.h   | 2 ++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/HistoryWindow.cpp b/src/HistoryWindow.cpp
index d005787bb..803c50133 100644
--- a/src/HistoryWindow.cpp
+++ b/src/HistoryWindow.cpp
@@ -142,7 +142,6 @@ HistoryWindow::HistoryWindow(AudacityProject *parent, UndoManager *manager):
    S.EndVerticalLay();
    // ----------------------- End of main section --------------
 
-   DoUpdate();
    mList->SetMinSize(mList->GetSize());
    Fit();
    SetMinSize(GetSize());
@@ -182,6 +181,13 @@ void HistoryWindow::UpdateDisplay(wxEvent& e)
       DoUpdate();
 }
 
+bool HistoryWindow::Show( bool show )
+{
+   if ( show && !IsShown())
+      DoUpdate();
+   return wxDialogWrapper::Show();
+}
+
 void HistoryWindow::DoUpdate()
 {
    int i;
diff --git a/src/HistoryWindow.h b/src/HistoryWindow.h
index 6aba7b3d5..f8b987a4f 100644
--- a/src/HistoryWindow.h
+++ b/src/HistoryWindow.h
@@ -28,6 +28,8 @@ class HistoryWindow final : public wxDialogWrapper {
    HistoryWindow(AudacityProject * parent, UndoManager *manager);
 
    void UpdateDisplay(wxEvent &e);
+   
+   bool Show( bool show = true ) override;
 
  private:
    void OnAudioIO(wxCommandEvent & evt);