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osu-lazer/osu.Game/Graphics/UserInterface/OsuPasswordTextBox.cs

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C#
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// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using OpenTK;
using OpenTK.Graphics;
using OpenTK.Input;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Cursor;
using osu.Framework.Graphics.Shapes;
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using osu.Framework.Input.EventArgs;
using osu.Framework.Input.States;
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using osu.Framework.Platform;
namespace osu.Game.Graphics.UserInterface
{
public class OsuPasswordTextBox : OsuTextBox
{
protected override Drawable GetDrawableCharacter(char c) => new PasswordMaskChar(CalculatedTextSize);
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protected override bool AllowClipboardExport => false;
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private readonly CapsWarning warning;
private GameHost host;
public OsuPasswordTextBox()
{
Add(warning = new CapsWarning
{
Size = new Vector2(20),
Origin = Anchor.CentreRight,
Anchor = Anchor.CentreRight,
Margin = new MarginPadding { Right = 10 },
Alpha = 0,
});
}
[BackgroundDependencyLoader]
private void load(GameHost host)
{
this.host = host;
}
protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
{
if (args.Key == Key.CapsLock)
updateCapsWarning(host.CapsLockEnabled);
return base.OnKeyDown(state, args);
}
protected override void OnFocus(InputState state)
{
updateCapsWarning(host.CapsLockEnabled);
base.OnFocus(state);
}
protected override void OnFocusLost(InputState state)
{
updateCapsWarning(false);
base.OnFocusLost(state);
}
private void updateCapsWarning(bool visible) => warning.FadeTo(visible ? 1 : 0, 250, Easing.OutQuint);
public class PasswordMaskChar : Container
{
private readonly CircularContainer circle;
public PasswordMaskChar(float size)
{
Size = new Vector2(size / 2, size);
Children = new[]
{
circle = new CircularContainer
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Masking = true,
Alpha = 0,
RelativeSizeAxes = Axes.Both,
Size = new Vector2(0.8f, 0),
Children = new[]
{
new Box
{
Colour = Color4.White,
RelativeSizeAxes = Axes.Both,
}
},
}
};
}
protected override void LoadComplete()
{
base.LoadComplete();
circle.FadeIn(500, Easing.OutQuint);
circle.ResizeTo(new Vector2(0.8f), 500, Easing.OutQuint);
}
}
private class CapsWarning : SpriteIcon, IHasTooltip
{
public string TooltipText => @"Caps lock is active";
public CapsWarning()
{
Icon = FontAwesome.fa_warning;
}
[BackgroundDependencyLoader]
private void load(OsuColour colour)
{
Colour = colour.YellowLight;
}
}
}
}