From bc5bcfa66a5c737d62128e793a373bf04f8d741c Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Fri, 12 May 2017 19:15:04 +0900
Subject: [PATCH] Make tab background opaque when chat is fullscreen

---
 osu.Game/Overlays/ChatOverlay.cs | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/osu.Game/Overlays/ChatOverlay.cs b/osu.Game/Overlays/ChatOverlay.cs
index 812ab236e7..15f8586125 100644
--- a/osu.Game/Overlays/ChatOverlay.cs
+++ b/osu.Game/Overlays/ChatOverlay.cs
@@ -50,6 +50,7 @@ namespace osu.Game.Overlays
         private readonly ChatTabControl channelTabs;
 
         private readonly Box chatBackground;
+        private readonly Box tabBackground;
 
         private Bindable<double> chatHeight;
 
@@ -120,11 +121,10 @@ namespace osu.Game.Overlays
                     Height = TAB_AREA_HEIGHT,
                     Children = new Drawable[]
                     {
-                        new Box
+                        tabBackground = new Box
                         {
                             RelativeSizeAxes = Axes.Both,
                             Colour = Color4.Black,
-                            Alpha = 0.8f,
                         },
                         channelTabs = new ChatTabControl
                         {
@@ -196,7 +196,11 @@ namespace osu.Game.Overlays
             api.Register(this);
 
             chatHeight = config.GetBindable<double>(OsuConfig.ChatDisplayHeight);
-            chatHeight.ValueChanged += h => Height = (float)h;
+            chatHeight.ValueChanged += h =>
+            {
+                Height = (float)h;
+                tabBackground.FadeTo(Height == 1 ? 1 : 0.8f, 200);
+            };
             chatHeight.TriggerChange();
 
             chatBackground.Colour = colours.ChatBlue;