From f56f0f3dd71396f211b7fb50010f0fbff2eff35c Mon Sep 17 00:00:00 2001
From: "james.k.crook@gmail.com"
 <james.k.crook@gmail.com@47890b92-0858-11df-a26f-8b716316a5bc>
Date: Fri, 26 Jul 2013 14:12:06 +0000
Subject: [PATCH] Only refresh play button if its state has changed.

---
 src/widgets/AButton.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/widgets/AButton.cpp b/src/widgets/AButton.cpp
index f0fc15f7b..4658d7025 100644
--- a/src/widgets/AButton.cpp
+++ b/src/widgets/AButton.cpp
@@ -156,6 +156,10 @@ void AButton::SetAlternateImages(ImageRoll up,
 
 void AButton::SetAlternate(bool useAlternateImages)
 {
+   // If alternate-image-state is already correct then 
+   // nothing to do (saves repainting button).
+   if( mAlternate == useAlternateImages )
+      return;
    mAlternate = useAlternateImages;
    Refresh(false);
 }