// Unity C# reference source

// Copyright (c) Unity Technologies. For terms of use, see

// https://unity3d.com/legal/licenses/Unity_Reference_Only_License

using System;

using System.Collections.Generic;

namespace UnityEngine.UIElements

{

public class Slider : BaseSlider<float>

{

public new class UxmlFactory : UxmlFactory<Slider, UxmlTraits> {}

public new class UxmlTraits : BaseFieldTraits<float, UxmlFloatAttributeDescription>

{

UxmlFloatAttributeDescription m_LowValue = new UxmlFloatAttributeDescription { name = "low-value" };

UxmlFloatAttributeDescription m_HighValue = new UxmlFloatAttributeDescription { name = "high-value", defaultValue = kDefaultHighValue };

UxmlFloatAttributeDescription m_PageSize = new UxmlFloatAttributeDescription { name = "page-size", defaultValue = kDefaultPageSize };

UxmlEnumAttributeDescription<SliderDirection> m_Direction = new UxmlEnumAttributeDescription<SliderDirection> { name = "direction", defaultValue = SliderDirection.Horizontal };

public override void Init(VisualElement ve, IUxmlAttributes bag, CreationContext cc)

{

var f = (Slider)ve;

f.lowValue = m_LowValue.GetValueFromBag(bag, cc);

f.highValue = m_HighValue.GetValueFromBag(bag, cc);

f.direction = m_Direction.GetValueFromBag(bag, cc);

f.pageSize = m_PageSize.GetValueFromBag(bag, cc);

base.Init(ve, bag, cc);

}

}

internal const float kDefaultHighValue = 10.0f;

public new static readonly string ussClassName = "unity-slider";

public new static readonly string labelUssClassName = ussClassName + "__label";

public new static readonly string inputUssClassName = ussClassName + "__input";

public Slider()

: this((string)null, 0, kDefaultHighValue) {}

public Slider(float start, float end, SliderDirection direction = SliderDirection.Horizontal, float pageSize = kDefaultPageSize)

: this(null, start, end, direction, pageSize) {}

public Slider(string label, float start = 0, float end = kDefaultHighValue, SliderDirection direction = SliderDirection.Horizontal, float pageSize = kDefaultPageSize)

: base(label, start, end, direction, pageSize)

{

AddToClassList(ussClassName);

labelElement.AddToClassList(labelUssClassName);

visualInput.AddToClassList(inputUssClassName);

}

internal override float SliderLerpUnclamped(float a, float b, float interpolant)

{

return Mathf.LerpUnclamped(a, b, interpolant);

}

internal override float SliderNormalizeValue(float currentValue, float lowerValue, float higherValue)

{

return (currentValue - lowerValue) / (higherValue - lowerValue);

}

internal override float SliderRange()

{

return Math.Abs(highValue - lowValue);

}

}

}