GtkSharp/glib/Timeout.cs
Miguel de Icaza 95978e0ce7 2004-09-18 Miguel de Icaza <miguel@ximian.com>
* glib/Source.cs: Add new base class to hold the method to be
	called, and the proxy handler we use to keep references to them
	and avoid a collection.

	Exposes a new variables that references all the active Timeouts
	and Idle handlers to avoid collection/

	* glib/Timeout.cs: Implement TimeoutProxy that acts as a filter to
	remove the proxy when the timeout is removed.

	Register a TimeoutProxy when we create a timeout.

	* glib/Idle.cs: Implement IdleProxy that acts as a filter to
	remove the proxy when the idle handler is removed.

	Register an IdleProxy when we create a timeout.

svn path=/trunk/gtk-sharp/; revision=34094
2004-09-20 16:43:16 +00:00

64 lines
1.7 KiB
C#
Executable file

// GLib.Timeout.cs - Timeout class implementation
//
// Author: Mike Kestner <mkestner@speakeasy.net>
//
// Copyright (c) 2002 Mike Kestner
//
// 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.
namespace GLib {
using System;
using System.Runtime.InteropServices;
public delegate bool TimeoutHandler ();
public class Timeout {
internal class TimeoutProxy : SourceProxy {
public TimeoutProxy (TimeoutHandler real)
{
real_handler = real;
proxy_handler = new TimeoutHandler (Handler);
}
public bool Handler ()
{
TimeoutHandler timeout_handler = (TimeoutHandler) real_handler;
bool cont = timeout_handler ();
if (!cont)
Remove ();
return cont;
}
}
private Timeout () {}
[DllImport("libglib-2.0-0.dll")]
static extern uint g_timeout_add (uint interval, TimeoutHandler d, IntPtr data);
public static uint Add (uint interval, TimeoutHandler hndlr)
{
TimeoutProxy p = new TimeoutProxy (hndlr);
uint code = g_timeout_add (interval, (TimeoutHandler) p.proxy_handler, IntPtr.Zero);
Source.source_handlers [code] = p;
return code;
}
}
}