Opentk/Source/OpenTK/Platform/Utilities.cs

92 lines
2.5 KiB
C#

#region --- License ---
/* Copyright (c) 2006, 2007 Stefanos Apostolopoulos
* See license.txt for license info
*/
#endregion
#region --- Using Directives ---
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
#endregion
namespace OpenTK.Platform
{
/// <summary>
/// Provides cross-platform utilities to help interact with the underlying platform.
/// </summary>
public static class Utilities
{
static bool throw_on_error;
internal static bool ThrowOnX11Error
{
get { return throw_on_error; }
set
{
if (value && !throw_on_error)
{
Type.GetType("System.Windows.Forms.XplatUIX11, System.Windows.Forms")
.GetField("ErrorExceptions", System.Reflection.BindingFlags.Static |
System.Reflection.BindingFlags.NonPublic)
.SetValue(null, true);
throw_on_error = true;
}
else if (!value && throw_on_error)
{
Type.GetType("System.Windows.Forms.XplatUIX11, System.Windows.Forms")
.GetField("ErrorExceptions", System.Reflection.BindingFlags.Static |
System.Reflection.BindingFlags.NonPublic)
.SetValue(null, false);
throw_on_error = false;
}
}
}
#region public bool IsIdle
interface IIsIdle { bool IsIdle { get; } }
class X11IsIdle : IIsIdle
{
public bool IsIdle
{
get
{
return X11.API.Pending(IntPtr.Zero) == 0;
}
}
}
class WindowsIsIdle : IIsIdle
{
Windows.MSG msg;
public bool IsIdle
{
get
{
return !Windows.API.PeekMessage(ref msg, IntPtr.Zero, 0, 0, 0);
}
}
}
static IIsIdle isIdleImpl =
System.Environment.OSVersion.Platform == PlatformID.Unix ?
(IIsIdle)new X11IsIdle() : (IIsIdle)new WindowsIsIdle();
public static bool IsIdle
{
get
{
return isIdleImpl.IsIdle;
}
}
#endregion
}
}