From 7cc388b5abc56b5d49d9fabe9596db1701b22641 Mon Sep 17 00:00:00 2001
From: Craftplacer <craftplacer@outlook.de>
Date: Sat, 4 Jan 2020 00:50:12 +0100
Subject: [PATCH] Mark channel up to last message as read when switching
 channels

---
 osu.Game/Overlays/ChatOverlay.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/osu.Game/Overlays/ChatOverlay.cs b/osu.Game/Overlays/ChatOverlay.cs
index e80c51d82a..b64d3a1893 100644
--- a/osu.Game/Overlays/ChatOverlay.cs
+++ b/osu.Game/Overlays/ChatOverlay.cs
@@ -279,6 +279,10 @@ namespace osu.Game.Overlays
                 currentChannelContainer.Clear(false);
                 currentChannelContainer.Add(loaded);
             }
+
+            // mark channel as read when channel switched
+            if (e.NewValue.Messages.Any())
+                channelManager.MarkChannelAsRead(e.NewValue.Messages.Last());
         }
 
         private float startDragChatHeight;