GtkSharp/gdk/Input.custom

// Gdk.Input.custom - Gdk Input class customizations
//
// Author: Mike Kestner <mkestner@ximian.com> 
//
// Copyright (C) 2005 Novell, Inc.
//
// 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.

		[GLib.CDeclCallback]
		delegate void InputDestroyNotify (IntPtr data);

		static void ReleaseGCHandle (IntPtr data)
		{
			if (data == IntPtr.Zero)
				return;

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

		static InputDestroyNotify release_gchandle;

		[DllImport("libgdk-win32-2.0-0.dll")]
		static extern int gdk_input_add_full (int source, int condition, GdkSharp.InputFunctionNative function, IntPtr data, InputDestroyNotify destroy);

		[Obsolete]
		public static int AddFull (int source, Gdk.InputCondition condition, Gdk.InputFunction function, IntPtr data, Gdk.DestroyNotify destroy) 
		{
			if (release_gchandle == null)
				release_gchandle = new InputDestroyNotify (ReleaseGCHandle);
			GdkSharp.InputFunctionWrapper function_wrapper = new GdkSharp.InputFunctionWrapper (function);
			GCHandle gch = GCHandle.Alloc (function_wrapper);
			return gdk_input_add_full (source, (int) condition, function_wrapper.NativeDelegate, (IntPtr) gch, release_gchandle);
		}

		[Obsolete]
		public static int Add (int source, Gdk.InputCondition condition, Gdk.InputFunction function) 
		{
			if (release_gchandle == null)
				release_gchandle = new InputDestroyNotify (ReleaseGCHandle);
			GdkSharp.InputFunctionWrapper function_wrapper = new GdkSharp.InputFunctionWrapper (function);
			GCHandle gch = GCHandle.Alloc (function_wrapper);
			return gdk_input_add_full (source, (int) condition, function_wrapper.NativeDelegate, (IntPtr) gch, release_gchandle);
		}