GtkSharp/gtk/Quit.custom

// Gtk.Quit.custom - Gtk Quit class customizations
//
// Author: Mike Kestner <mkestner@novell.com>
//
// Copyright (c) 2005 Novell, Inc. 
//
// 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.


		class QuitProxy {

			GtkSharp.FunctionWrapper function;
			GtkSharp.CallbackMarshalWrapper marshal;
			IntPtr data;
			DestroyNotify destroy;
			GLib.DestroyNotify handler;

			public QuitProxy (GtkSharp.FunctionWrapper function, GtkSharp.CallbackMarshalWrapper marshal, IntPtr data, DestroyNotify destroy)
			{
				this.marshal = marshal;
				this.function = function;
				this.destroy = destroy;
				this.data = data;
				handler = new GLib.DestroyNotify (OnDestroy);
			}

			void OnDestroy (IntPtr data)
			{
				if (destroy != null)
					destroy ();

				GCHandle gch = (GCHandle) data;
				gch.Free ();
			}

			public GLib.DestroyNotify Handler {
				get {
					return handler;
				}
			}
		}

		[DllImport("libgtk-win32-2.0-0.dll")]
		static extern uint gtk_quit_add_full(uint main_level, GtkSharp.FunctionNative function, GtkSharp.CallbackMarshalNative marshal, IntPtr data, GLib.DestroyNotify destroy);

		[Obsolete ("Replaced by Add method")]
		public static uint AddFull (uint main_level, Function function, CallbackMarshal marshal, IntPtr data, DestroyNotify destroy) 
		{
			GtkSharp.FunctionWrapper function_wrapper = new GtkSharp.FunctionWrapper (function);
			GtkSharp.CallbackMarshalWrapper marshal_wrapper = new GtkSharp.CallbackMarshalWrapper (marshal);
			QuitProxy proxy = new QuitProxy (function_wrapper, marshal_wrapper, data, destroy);
			GCHandle gch = GCHandle.Alloc (proxy);
			return gtk_quit_add_full (main_level, function_wrapper.NativeDelegate, marshal_wrapper.NativeDelegate, (IntPtr) gch, proxy.Handler);
		}

		public static uint Add (uint main_level, Function function) 
		{
			GtkSharp.FunctionWrapper function_wrapper = new GtkSharp.FunctionWrapper (function);
			GCHandle gch = GCHandle.Alloc (function_wrapper);
			return gtk_quit_add_full (main_level, function_wrapper.NativeDelegate, null, (IntPtr) gch, new GLib.DestroyNotify (GLib.DestroyHelper.NotifyHandler));
		}