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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
namespace System.Windows.Controls.Primitives
{
/// <summary>
/// Describes where a popup should be placed on screen.
/// </summary>
public struct CustomPopupPlacement
{
/// <summary>
/// Constructor
/// </summary>
/// <param name="point">Assigns to Point</param>
/// <param name="primaryAxis">Assigns to PrimaryAxis</param>
public CustomPopupPlacement(Point point, PopupPrimaryAxis primaryAxis)
{
_point = point;
_primaryAxis = primaryAxis;
}
/// <summary>
/// The point, relative to the PlacementTarget, where the upper left corner of the Popup should be.
/// </summary>
public Point Point
{
get
{
return _point;
}
set
{
_point = value;
}
}
/// <summary>
/// The primary axis of the popup that will be used for nudging on-screen.
/// </summary>
public PopupPrimaryAxis PrimaryAxis
{
get
{
return _primaryAxis;
}
set
{
_primaryAxis = value;
}
}
/// <summary>
/// Compares the value of two CustomPopupPlacement structs for equality.
/// </summary>
/// <param name="placement1">The first value.</param>
/// <param name="placement2">The second value.</param>
/// <returns></returns>
public static bool operator==(CustomPopupPlacement placement1, CustomPopupPlacement placement2)
{
return placement1.Equals(placement2);
}
/// <summary>
/// Compares the value of two CustomPopupPlacement structs for inequality.
/// </summary>
/// <param name="placement1">The first value.</param>
/// <param name="placement2">The second value.</param>
/// <returns></returns>
public static bool operator !=(CustomPopupPlacement placement1, CustomPopupPlacement placement2)
{
return !placement1.Equals(placement2);
}
/// <summary>
/// Compares the value of this struct with another object.
/// </summary>
/// <param name="o">An object to compare to.</param>
/// <returns>True if equivalent. False otherwise.</returns>
public override bool Equals(object o)
{
if (o is CustomPopupPlacement)
{
CustomPopupPlacement placement = (CustomPopupPlacement)o;
return (placement._primaryAxis == _primaryAxis) && (placement._point == _point);
}
return false;
}
/// <summary>
/// Hash function for this type.
/// </summary>
/// <returns>A hash code for this struct.</returns>
public override int GetHashCode()
{
return _primaryAxis.GetHashCode() ^ _point.GetHashCode();
}
private Point _point;
private PopupPrimaryAxis _primaryAxis;
}
}
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