From de568fc111e53de11aed1c3185cbc030a7c5272a Mon Sep 17 00:00:00 2001
From: Paul Licameli <paul.licameli@audacityteam.org>
Date: Wed, 7 Feb 2018 03:13:33 -0500
Subject: [PATCH] Avoid some needless repaints of AButton

---
 src/widgets/AButton.cpp | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/widgets/AButton.cpp b/src/widgets/AButton.cpp
index 30510744a..2d2f752f9 100644
--- a/src/widgets/AButton.cpp
+++ b/src/widgets/AButton.cpp
@@ -516,18 +516,22 @@ void AButton::Disable()
 
 void AButton::PushDown()
 {
-   mButtonIsDown = true;
-   this->Refresh(false);
+   if (!mButtonIsDown) {
+      mButtonIsDown = true;
+      this->Refresh(false);
+   }
 }
 
 void AButton::PopUp()
 {
-   mButtonIsDown = false;
+   if (mButtonIsDown) {
+      mButtonIsDown = false;
+
+      this->Refresh(false);
+   }
 
    if (GetCapture()==this)
       ReleaseMouse();
-
-   this->Refresh(false);
 }
 
 void AButton::Click()