GtkSharp/gtk/Object.custom

// Gtk.Object.custom - Gtk Object class customizations
//
// Author: Mike Kestner <mkestner@speakeasy.net>
//
// Copyright (c) 2002-2003 Mike Kestner
//
// This code is inserted after the automatically generated code.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 2 of the Lesser GNU General 
// Public License as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.


		[DllImport("gtksharpglue-2")]
		private static extern bool gtksharp_object_is_floating (IntPtr raw);

		[DllImport("gtksharpglue-2")]
		private static extern bool gtksharp_object_set_floating (IntPtr raw, bool val);

		[DllImport("libgobject-2.0-0.dll")]
		private static extern void g_object_ref (IntPtr raw);

		static Hashtable managed_subclasses;
		static Hashtable ManagedSubclasses {
			get {
				if (managed_subclasses == null)
					managed_subclasses = new Hashtable ();
				return managed_subclasses;
			}
		}

		static void NativeDestroy (object o, EventArgs args)
		{
			Gtk.Object obj = o as Gtk.Object;
			if (obj == null)
				return;
			ManagedSubclasses.Remove (obj);
			obj.Destroyed -= NativeDestroyHandler;
			obj.Dispose ();
		}

		static EventHandler native_destroy_handler;
		static EventHandler NativeDestroyHandler {
			get {
				if (native_destroy_handler == null)
					native_destroy_handler = new EventHandler (NativeDestroy);
				return native_destroy_handler;
			}
		}

		protected override void CreateNativeObject (string[] names, GLib.Value[] vals)
		{
			base.CreateNativeObject (names, vals);
			ManagedSubclasses [this] = this;
			Destroyed += NativeDestroyHandler;
		}

		public override void Dispose ()
		{
			base.Dispose ();
		}

		protected override IntPtr Raw {
			get {
				return base.Raw;
			}
			set {
				base.Raw = value;
				if (value == IntPtr.Zero)
					return;

				g_object_ref (value);
				Sink ();
			}
		}

		[DllImport("libgtk-win32-2.0-0.dll")]
		private static extern void gtk_object_destroy (IntPtr raw);

		public virtual void Destroy ()
		{
			gtk_object_destroy (Handle);
		}

		public bool IsFloating {
			get {
				return gtksharp_object_is_floating (Handle);
			}
			set {
				gtksharp_object_set_floating (Handle, value);
			}
		}