GtkSharp/glib/Opaque.cs
Mike Kestner 686688d760 2003-10-15 Mike Kestner <mkestner@ximian.com>
* generator/Property.cs : use new Opaque value ctor and
	rework get/set blocks for Opaque types. [Fixes #47959]
	* glib/Opaque.cs : kill explicit IntPtr operator.
	* glib/Value.cs : rework Opaque value ctor.

svn path=/trunk/gtk-sharp/; revision=19088
2003-10-15 20:13:50 +00:00

135 lines
2.6 KiB
C#

// Opaque .cs - Opaque struct wrapper implementation
//
// Authors: Bob Smith <bob@thestuff.net>
// Mike Kestner <mkestner@speakeasy.net>
// Rachel Hestilow <hestilow@ximian.com>
//
// (c) 2001 Bob Smith and Mike Kestner, 2002 Rachel Hestilow
namespace GLib {
using System;
using System.Collections;
using System.ComponentModel;
using System.Runtime.InteropServices;
/// <summary>
/// Object Class
/// </summary>
///
/// <remarks>
/// Wrapper class for GObject.
/// </remarks>
public class Opaque : IWrapper {
// Private class and instance members
IntPtr _obj;
static Hashtable Opaques = new Hashtable();
/// <summary>
/// GetObject Shared Method
/// </summary>
///
/// <remarks>
/// Used to obtain a CLI typed object associated with a
/// given raw object pointer. This method is primarily
/// used to wrap object references that are returned
/// by either the signal system or raw class methods that
/// return opaque struct references.
/// </remarks>
///
/// <returns>
/// The wrapper instance.
/// </returns>
public static Opaque GetOpaque(IntPtr o)
{
Opaque obj = (Opaque)Opaques[(int)o];
if (obj != null) return obj;
return null; //FIXME: Call TypeParser here eventually.
}
/// <summary>
/// Opaque Constructor
/// </summary>
///
/// <remarks>
/// Dummy constructor needed for derived classes.
/// </remarks>
public Opaque () {}
/// <summary>
/// Opaque Constructor
/// </summary>
///
/// <remarks>
/// Creates an opaque wrapper from a raw object reference.
/// </remarks>
public Opaque (IntPtr raw)
{
Raw = raw;
}
/// <summary>
/// Raw Property
/// </summary>
///
/// <remarks>
/// The raw Opaque reference associated with this wrapper.
/// Only subclasses of Opaque can access this read/write
/// property. For public read-only access, use the
/// Handle property.
/// </remarks>
protected IntPtr Raw {
get {
return _obj;
}
set {
Opaques [value] = this;
_obj = value;
}
}
/// <summary>
/// Handle Property
/// </summary>
///
/// <remarks>
/// The raw Opaque reference associated with this object.
/// Subclasses can use Raw property for read/write
/// access.
/// </remarks>
public IntPtr Handle {
get {
return _obj;
}
}
public override bool Equals (object o)
{
if (!(o is Opaque))
return false;
return (Handle == ((Opaque) o).Handle);
}
/// <summary>
/// GetHashCode Method
/// </summary>
///
/// <remarks>
/// Calculates a hashing value.
/// </remarks>
public override int GetHashCode ()
{
return Handle.GetHashCode ();
}
}
}