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Button.cs
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43 lines (34 loc) · 1.23 KB
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// Unity C# reference source
// Copyright (c) Unity Technologies. For terms of use, see
// https://unity3d.com/legal/licenses/Unity_Reference_Only_License
using System;
namespace UnityEngine.UIElements
{
public class Button : TextElement
{
public new class UxmlFactory : UxmlFactory<Button, UxmlTraits> {}
public new class UxmlTraits : TextElement.UxmlTraits {}
public Clickable clickable { get; set; }
public Button() : this(null)
{
}
public new static readonly string ussClassName = "unity-button";
public Button(System.Action clickEvent)
{
AddToClassList(ussClassName);
// Click-once behaviour
clickable = new Clickable(clickEvent);
this.AddManipulator(clickable);
}
protected internal override Vector2 DoMeasure(float desiredWidth, MeasureMode widthMode, float desiredHeight,
MeasureMode heightMode)
{
var textToMeasure = text;
if (string.IsNullOrEmpty(textToMeasure))
{
textToMeasure = " ";
}
return MeasureTextSize(textToMeasure, desiredWidth, widthMode, desiredHeight, heightMode);
}
}
}