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//
// crow_object_t.cs
//
// Author:
// Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
//
// Copyright (c) 2013-2017 Jean-Philippe Bruyère
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System.Runtime.InteropServices;
using System;
namespace Crow.Native {
public enum CrowType : byte {
Simple,
Container,
Group,
Stack
}
[StructLayout(LayoutKind.Sequential)]
unsafe public struct crow_object_t {
public CrowType TypeObj;
internal int managedIdx;//private managed ptr to allow libcrow to call instance methods
public IntPtr Context;
public int ChildrenCount;
public crow_object_t* Parent;
public crow_object_t** Children;
public crow_object_t* LargestChild;
public crow_object_t* TallestChild;
public int Left;
public int Top;
public Measure Width;
public Measure Height;
public int Margin;
public Size MinimumSize;
public Size MaximumSize;
public IntPtr Background;
public byte Visible;
/// <summary>if true, content has to be recreated</summary>
public byte IsDirty;
public byte InClippingPool;
public byte CacheEnabled;
public IntPtr Clipping;
public LayoutingType RegisteredLayoutings;
public Size ContentSize;
/// <summary>
/// Current size and position computed during layouting pass
/// </summary>
public Rectangle Slot;
/// <summary>
/// keep last slot components for each layouting pass to track
/// changes and trigger update of other component accordingly
/// </summary>
public Rectangle LastSlot;
/// <summary>
/// keep last slot painted on screen to clear traces if moved or resized
/// TODO: we should ensure the whole parsed widget tree is the last painted
/// version to clear effective oldslot if parents have been moved or resized.
/// IDEA is to add a ScreenCoordinates function that use only lastPaintedSlots
/// </summary>
public Rectangle LastPaintedSlot;
public VerticalAlignment VerticalAlignment;
public HorizontalAlignment HorizontalAlignment;
public IntPtr bmp;
public IntPtr MeasureRawSize;
public IntPtr UpdateLayout;
public IntPtr OnLayoutChanged;
public IntPtr OnChildLayoutChanged;
public IntPtr ChildrenLayoutingConstraints;
public IntPtr UpdateCache;
public IntPtr OnDraw;
}
}
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