From 34ffc51c5195196873aefda972549e20b5e1a1f5 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Tue, 2 Aug 2022 13:56:02 +0900
Subject: [PATCH] Avoid clearing chat overlay textbox when pressing "back" key
 binding

Generally this is expected behaviour for usages of focused text boxes
(ie. to clear search content), but not so much here.

Addresses https://github.com/ppy/osu/discussions/19403#discussioncomment-3230395.
---
 osu.Game/Graphics/UserInterface/FocusedTextBox.cs | 7 ++++++-
 osu.Game/Overlays/Chat/ChatTextBox.cs             | 2 ++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/osu.Game/Graphics/UserInterface/FocusedTextBox.cs b/osu.Game/Graphics/UserInterface/FocusedTextBox.cs
index fce4221c87..230d921c68 100644
--- a/osu.Game/Graphics/UserInterface/FocusedTextBox.cs
+++ b/osu.Game/Graphics/UserInterface/FocusedTextBox.cs
@@ -21,6 +21,11 @@ namespace osu.Game.Graphics.UserInterface
 
         private bool allowImmediateFocus => host?.OnScreenKeyboardOverlapsGameWindow != true;
 
+        /// <summary>
+        /// Whether the content of the text box should be cleared on the first "back" key press.
+        /// </summary>
+        protected virtual bool ClearTextOnBackKey => true;
+
         public void TakeFocus()
         {
             if (!allowImmediateFocus)
@@ -78,7 +83,7 @@ namespace osu.Game.Graphics.UserInterface
 
             if (!HasFocus) return false;
 
-            if (e.Action == GlobalAction.Back)
+            if (ClearTextOnBackKey && e.Action == GlobalAction.Back)
             {
                 if (Text.Length > 0)
                 {
diff --git a/osu.Game/Overlays/Chat/ChatTextBox.cs b/osu.Game/Overlays/Chat/ChatTextBox.cs
index ae8816b009..887eb96c15 100644
--- a/osu.Game/Overlays/Chat/ChatTextBox.cs
+++ b/osu.Game/Overlays/Chat/ChatTextBox.cs
@@ -13,6 +13,8 @@ namespace osu.Game.Overlays.Chat
 
         public override bool HandleLeftRightArrows => !ShowSearch.Value;
 
+        protected override bool ClearTextOnBackKey => false;
+
         protected override void LoadComplete()
         {
             base.LoadComplete();