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osu-lazer/osu.Game/Graphics/UserInterfaceV2/FormTextBox.cs

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Extensions.ObjectExtensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Colour;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Graphics.UserInterface;
using osu.Framework.Input;
using osu.Framework.Input.Events;
using osu.Framework.Localisation;
using osu.Game.Graphics.UserInterface;
using osu.Game.Overlays;
namespace osu.Game.Graphics.UserInterfaceV2
{
public partial class FormTextBox : CompositeDrawable, IHasCurrentValue<string>
{
public Bindable<string> Current
{
get => current.Current;
set => current.Current = value;
}
private bool readOnly;
public bool ReadOnly
{
get => readOnly;
set
{
readOnly = value;
if (textBox.IsNotNull())
updateState();
}
}
private CompositeDrawable? tabbableContentContainer;
public CompositeDrawable? TabbableContentContainer
{
set
{
tabbableContentContainer = value;
if (textBox.IsNotNull())
textBox.TabbableContentContainer = tabbableContentContainer;
}
}
public event TextBox.OnCommitHandler? OnCommit;
private readonly BindableWithCurrent<string> current = new BindableWithCurrent<string>();
public LocalisableString Caption { get; init; }
public LocalisableString HintText { get; init; }
public LocalisableString PlaceholderText { get; init; }
private Box background = null!;
private Box flashLayer = null!;
private InnerTextBox textBox = null!;
private FormFieldCaption caption = null!;
private IFocusManager focusManager = null!;
[Resolved]
private OverlayColourProvider colourProvider { get; set; } = null!;
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
RelativeSizeAxes = Axes.X;
Height = 50;
Masking = true;
CornerRadius = 5;
CornerExponent = 2.5f;
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InternalChildren = new Drawable[]
{
background = new Box
{
RelativeSizeAxes = Axes.Both,
Colour = colourProvider.Background5,
},
flashLayer = new Box
{
RelativeSizeAxes = Axes.Both,
Colour = Colour4.Transparent,
},
new Container
{
RelativeSizeAxes = Axes.Both,
Padding = new MarginPadding(9),
Children = new Drawable[]
{
caption = new FormFieldCaption
{
Anchor = Anchor.TopLeft,
Origin = Anchor.TopLeft,
Caption = Caption,
TooltipText = HintText,
},
textBox = CreateTextBox().With(t =>
{
t.Anchor = Anchor.BottomRight;
t.Origin = Anchor.BottomRight;
t.RelativeSizeAxes = Axes.X;
t.Width = 1;
t.PlaceholderText = PlaceholderText;
t.Current = Current;
t.CommitOnFocusLost = true;
t.OnCommit += (textBox, newText) =>
{
OnCommit?.Invoke(textBox, newText);
if (!current.Disabled && !ReadOnly)
{
flashLayer.Colour = ColourInfo.GradientVertical(colourProvider.Dark1.Opacity(0), colourProvider.Dark2);
flashLayer.FadeOutFromOne(800, Easing.OutQuint);
}
};
t.OnInputError = () =>
{
flashLayer.Colour = ColourInfo.GradientVertical(colours.Red3.Opacity(0), colours.Red3);
flashLayer.FadeOutFromOne(200, Easing.OutQuint);
};
t.TabbableContentContainer = tabbableContentContainer;
}),
},
},
};
}
internal virtual InnerTextBox CreateTextBox() => new InnerTextBox();
protected override void LoadComplete()
{
base.LoadComplete();
focusManager = GetContainingFocusManager()!;
textBox.Focused.BindValueChanged(_ => updateState());
current.BindDisabledChanged(_ => updateState(), true);
}
protected override bool OnHover(HoverEvent e)
{
updateState();
return true;
}
protected override void OnHoverLost(HoverLostEvent e)
{
base.OnHoverLost(e);
updateState();
}
protected override bool OnClick(ClickEvent e)
{
focusManager.ChangeFocus(textBox);
return true;
}
private void updateState()
{
bool disabled = Current.Disabled || ReadOnly;
textBox.ReadOnly = disabled;
textBox.Alpha = 1;
caption.Colour = disabled ? colourProvider.Foreground1 : colourProvider.Content2;
textBox.Colour = disabled ? colourProvider.Foreground1 : colourProvider.Content1;
if (!disabled)
{
BorderThickness = IsHovered || textBox.Focused.Value ? 2 : 0;
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BorderColour = textBox.Focused.Value ? colourProvider.Highlight1 : colourProvider.Light4;
if (textBox.Focused.Value)
background.Colour = ColourInfo.GradientVertical(colourProvider.Background5, colourProvider.Dark3);
else if (IsHovered)
background.Colour = ColourInfo.GradientVertical(colourProvider.Background5, colourProvider.Dark4);
else
background.Colour = colourProvider.Background5;
}
else
{
background.Colour = colourProvider.Background4;
}
}
internal partial class InnerTextBox : OsuTextBox
{
public BindableBool Focused { get; } = new BindableBool();
public Action? OnInputError { get; set; }
protected override float LeftRightPadding => 0;
[BackgroundDependencyLoader]
private void load()
{
Height = 16;
TextContainer.Height = 1;
Masking = false;
BackgroundUnfocused = BackgroundFocused = BackgroundCommit = Colour4.Transparent;
}
protected override SpriteText CreatePlaceholder() => base.CreatePlaceholder().With(t => t.Margin = default);
protected override void OnFocus(FocusEvent e)
{
base.OnFocus(e);
Focused.Value = true;
}
protected override void OnFocusLost(FocusLostEvent e)
{
base.OnFocusLost(e);
Focused.Value = false;
}
protected override void NotifyInputError()
{
PlayFeedbackSample(FeedbackSampleType.TextInvalid);
// base call intentionally suppressed
OnInputError?.Invoke();
}
}
}
}