Opentk/Source/GLControl/WinGLControl.cs
2009-08-19 14:17:47 +00:00

158 lines
4.5 KiB
C#

#region License
//
// The Open Toolkit Library License
//
// Copyright (c) 2006 - 2009 the Open Toolkit library, except where noted.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do
// so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
#endregion
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using OpenTK.Graphics;
using OpenTK.Platform;
namespace OpenTK
{
class WinGLControl : IGLControl
{
#region P/Invoke declarations
#region Message
struct MSG
{
public IntPtr HWnd;
public uint Message;
public IntPtr WParam;
public IntPtr LParam;
public uint Time;
public POINT Point;
//internal object RefObject;
public override string ToString()
{
return String.Format("msg=0x{0:x} ({1}) hwnd=0x{2:x} wparam=0x{3:x} lparam=0x{4:x} pt=0x{5:x}", (int)Message, Message.ToString(), HWnd.ToInt32(), WParam.ToInt32(), LParam.ToInt32(), Point);
}
}
#endregion
#region Point
struct POINT
{
public int X;
public int Y;
public POINT(int x, int y)
{
this.X = x;
this.Y = y;
}
public System.Drawing.Point ToPoint()
{
return new System.Drawing.Point(X, Y);
}
public override string ToString()
{
return "Point {" + X.ToString() + ", " + Y.ToString() + ")";
}
}
#endregion
#region PeekMessage
[System.Security.SuppressUnmanagedCodeSecurity]
[System.Runtime.InteropServices.DllImport("User32.dll")]
static extern bool PeekMessage(ref MSG msg, IntPtr hWnd, int messageFilterMin, int messageFilterMax, int flags);
#endregion
#region
#endregion
#endregion
#region Fields
MSG msg = new MSG();
IWindowInfo window_info;
GraphicsMode mode;
#endregion
#region Constructors
public WinGLControl(GraphicsMode mode, Control control)
{
this.mode = mode;
control.HandleCreated += delegate(object sender, EventArgs e)
{
if (window_info != null)
window_info.Dispose();
window_info = Utilities.CreateWindowInfo(mode, ((Control)sender).Handle, true);
};
control.HandleDestroyed += delegate(object sender, EventArgs e)
{
if (window_info != null)
{
window_info.Dispose();
window_info = null;
}
};
}
#endregion
#region IGLControl Members
public IGraphicsContext CreateContext(int major, int minor, GraphicsContextFlags flags)
{
return new GraphicsContext(mode, window_info, major, minor, flags);
}
public bool IsIdle
{
get { return !PeekMessage(ref msg, IntPtr.Zero, 0, 0, 0); }
}
public IWindowInfo WindowInfo
{
get
{
// This method forces the creation of the control. Beware of this side-effect!
return window_info;
}
}
#endregion
}
}