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using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
namespace MyGUI.Sharp
{
public abstract class BaseWidget :
IDisposable
{
#region Export
[DllImport(DllName.m_dllName, CallingConvention = CallingConvention.Cdecl)]
private static extern IntPtr ExportGui_CreateWidget(
IntPtr _parent,
WidgetStyle _style,
[MarshalAs(UnmanagedType.LPStr)]string _type,
[MarshalAs(UnmanagedType.LPStr)]string _skin,
[In] ref IntCoord _coord,
Align _align,
[MarshalAs(UnmanagedType.LPStr)]string _layer,
[MarshalAs(UnmanagedType.LPStr)]string _name);
[DllImport(DllName.m_dllName, CallingConvention = CallingConvention.Cdecl)]
private static extern void ExportGui_DestroyWidget(IntPtr _widget);
[DllImport(DllName.m_dllName, CallingConvention = CallingConvention.Cdecl)]
private static extern void ExportGui_WrapWidget(IntPtr _widget);
[DllImport(DllName.m_dllName, CallingConvention = CallingConvention.Cdecl)]
private static extern void ExportGui_UnwrapWidget(IntPtr _widget);
[DllImport(DllName.m_dllName, CallingConvention = CallingConvention.Cdecl)]
private static extern IntPtr ExportGui_GetManagedParent(IntPtr _widget);
[DllImport(DllName.m_dllName, CallingConvention = CallingConvention.Cdecl)]
[return: MarshalAs(UnmanagedType.LPStr)]
private static extern string ExportGui_GetWidgetType(IntPtr _widget);
#endregion
#region BaseWidget
internal void WrapWidget(BaseWidget _parent, IntPtr _native)
{
mParent = _parent;
mNative = _native;
ExportGui_WrapWidget(mNative);
mWidgets.Add(mNative, this);
mIsWrap = true;
if (mParent != null)
mParent.mChilds.Add(this);
else
mRoots.Add(this);
}
internal void CreateWidgetImpl(BaseWidget _parent, WidgetStyle _style, string _skin, IntCoord _coord, Align _align, string _layer, string _name)
{
mParent = _parent;
IntPtr parent = _parent != null ? _parent.Native : IntPtr.Zero;
mNative = ExportGui_CreateWidget(parent, _style, GetWidgetType(), _skin, ref _coord, _align, _layer, _name);
ExportGui_WrapWidget(mNative);
mWidgets.Add(mNative, this);
mIsWrap = false;
if (mParent != null)
mParent.mChilds.Add(this);
else
mRoots.Add(this);
}
public object UserData
{
get { return mUserData; }
set { mUserData = value; }
}
private void DestroyChilds()
{
while (mChilds.Count > 0)
{
BaseWidget child = mChilds[0];
child.Dispose();
child = null;
}
}
protected abstract string GetWidgetType();
public static BaseWidget GetByNative(IntPtr _value)
{
if (_value == IntPtr.Zero)
return null;
BaseWidget result;
if (!mWidgets.TryGetValue(_value, out result))
{
string widgetType = ExportGui_GetWidgetType(_value);
IntPtr parentPtr = ExportGui_GetManagedParent(_value);
BaseWidget parent;
mWidgets.TryGetValue(parentPtr, out parent);
return Gui.CreateWrapper(widgetType, parent, _value);
}
return result;
}
#endregion
#region CreateWidget
public T CreateWidget<T>(string _skin, IntCoord _coord, Align _align) where T : class
{
T type = System.Activator.CreateInstance<T>();
BaseWidget widget = type as BaseWidget;
widget.CreateWidgetImpl(this, WidgetStyle.Child, _skin, _coord, _align, "", "");
return type;
}
public T CreateWidget<T>(string _skin, IntCoord _coord, Align _align, string _name) where T : class
{
T type = System.Activator.CreateInstance<T>();
BaseWidget widget = type as BaseWidget;
widget.CreateWidgetImpl(this, WidgetStyle.Child, _skin, _coord, _align, "", _name);
return type;
}
public T CreateWidget<T>(WidgetStyle _style, string _skin, IntCoord _coord, Align _align, string _layer) where T : class
{
T type = System.Activator.CreateInstance<T>();
BaseWidget widget = type as BaseWidget;
widget.CreateWidgetImpl(this, _style, _skin, _coord, _align, _layer, "");
return type;
}
public T CreateWidget<T>(WidgetStyle _style, string _skin, IntCoord _coord, Align _align, string _layer, string _name) where T : class
{
T type = System.Activator.CreateInstance<T>();
BaseWidget widget = type as BaseWidget;
widget.CreateWidgetImpl(this, _style, _skin, _coord, _align, _layer, _name);
return type;
}
#endregion
#region IDisposable Members
public void Dispose()
{
if (mNative != IntPtr.Zero)
{
DestroyChilds();
if (mParent != null)
{
mParent.mChilds.Remove(this);
mParent = null;
}
else
{
mRoots.Remove(this);
}
if (!mIsWrap)
ExportGui_DestroyWidget(mNative);
ExportGui_UnwrapWidget(mNative);
mWidgets.Remove(mNative);
mNative = IntPtr.Zero;
}
}
#endregion
#region Properties
public IntPtr Native
{
get { return mNative; }
}
#endregion
#region Fields
private IntPtr mNative;
private bool mIsWrap = true;
private BaseWidget mParent;
private List<BaseWidget> mChilds = new List<BaseWidget>();
private object mUserData;
private static List<BaseWidget> mRoots = new List<BaseWidget>();
private static Dictionary<IntPtr, BaseWidget> mWidgets = new Dictionary<IntPtr, BaseWidget>();
#endregion
}
}
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