From f6e0e0bc38197ba9086b0e44a89e9da7f015dd42 Mon Sep 17 00:00:00 2001
From: Jorolf <jorolf@gmx.de>
Date: Sat, 3 Jun 2017 19:21:21 +0200
Subject: [PATCH] add caps lock warning

---
 .../UserInterface/OsuPasswordTextBox.cs       | 48 +++++++++++++++++--
 1 file changed, 45 insertions(+), 3 deletions(-)

diff --git a/osu.Game/Graphics/UserInterface/OsuPasswordTextBox.cs b/osu.Game/Graphics/UserInterface/OsuPasswordTextBox.cs
index 904aa14aa7..8ad3febf19 100644
--- a/osu.Game/Graphics/UserInterface/OsuPasswordTextBox.cs
+++ b/osu.Game/Graphics/UserInterface/OsuPasswordTextBox.cs
@@ -1,11 +1,14 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
-using osu.Framework.Graphics.Sprites;
 using OpenTK;
 using OpenTK.Graphics;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Cursor;
+using osu.Framework.Graphics.Sprites;
+using System;
 
 namespace osu.Game.Graphics.UserInterface
 {
@@ -15,6 +18,14 @@ namespace osu.Game.Graphics.UserInterface
 
         public override bool AllowClipboardExport => false;
 
+        public OsuPasswordTextBox()
+        {
+            Add(new CapsWarning
+            {
+                TextSize = 20,
+            });
+        }
+
         public class PasswordMaskChar : Container
         {
             private readonly CircularContainer circle;
@@ -51,5 +62,36 @@ namespace osu.Game.Graphics.UserInterface
                 circle.ResizeTo(new Vector2(0.8f), 500, EasingTypes.OutQuint);
             }
         }
+
+        private class CapsWarning : TextAwesome, IHasTooltip
+        {
+            public string TooltipText => Console.CapsLock ? @"Caps lock is active" : string.Empty;
+
+            public override bool HandleInput => true;
+
+            public CapsWarning()
+            {
+                Icon = FontAwesome.fa_warning;
+                Origin = Anchor.CentreRight;
+                Anchor = Anchor.CentreRight;
+                Margin = new MarginPadding { Right = 10 };
+                AlwaysPresent = true;
+                Alpha = 0;
+            }
+
+            [BackgroundDependencyLoader]
+            private void load(OsuColour colour)
+            {
+                Colour = colour.YellowLight;
+            }
+
+            protected override void Update()
+            {
+                base.Update();
+                updateVisibility();
+            }
+
+            private void updateVisibility() => FadeTo(Console.CapsLock ? 1 : 0, 250, EasingTypes.OutQuint);
+        }
     }
 }