// Gtk.FileFilter.custom - Gtk FileFilter 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.


		[DllImport("libgtk-win32-2.0-0.dll")]
		static extern void gtk_file_filter_add_custom(IntPtr raw, int needed, GtkSharp.FileFilterFuncNative func, IntPtr data, NativeDestroyNotify notify);

		public void AddCustom (Gtk.FileFilterFlags needed, Gtk.FileFilterFunc func) 
		{
			if (func == null) {
				gtk_file_filter_add_custom (Handle, (int) needed, null, IntPtr.Zero, null);
				return;
			}
			GtkSharp.FileFilterFuncWrapper func_wrapper = new GtkSharp.FileFilterFuncWrapper (func);
			GCHandle gch = GCHandle.Alloc (func_wrapper);
			gtk_file_filter_add_custom(Handle, (int) needed, func_wrapper.NativeDelegate, (IntPtr) gch, DestroyHelper.NotifyHandler);
		}