Make the new launcher cross-platform.

Launcher2/LauncherWindow.cs

@@ -60,7 +60,12 @@ namespace Launcher2 {
 			Window.Visible = true;
 			Drawer = new GdiPlusDrawer2D( null );
 			Init();
-			SetScreen( new ResourcesScreen( this ) );
+			
+			if( !ResourceFetcher.CheckAllResourcesExist() ) {
+				SetScreen( new ResourcesScreen( this ) );
+			} else {
+				SetScreen( new MainScreen( this ) );
+			}		
 			
 			while( true ) {
 				Window.ProcessEvents();
@@ -78,10 +83,8 @@ namespace Launcher2 {
 			if( screen != null ) 
 				screen.Dirty = false;
 			
-			WinWindowInfo info = (WinWindowInfo)Window.WindowInfo;
-			IntPtr dc = info.DeviceContext;
-			
-			using( Graphics g = Graphics.FromHdc( dc ) )
+			IntPtr hwnd = Window.WindowInfo.WinHandle;		
+			using( Graphics g = Graphics.FromHwnd( hwnd ) )
 				g.DrawImage( Framebuffer, 0, 0, Framebuffer.Width, Framebuffer.Height );
 		}
 		

OpenTK/Platform/IWindowInfo.cs

@@ -13,5 +13,6 @@ namespace OpenTK.Platform
 	/// <summary>Descibes an OS window.</summary>
 	public interface IWindowInfo : IDisposable
 	{
+		IntPtr WinHandle { get; }
 	}
 }

OpenTK/Platform/MacOS/CarbonWindowInfo.cs

@@ -88,6 +88,11 @@ namespace OpenTK.Platform.MacOS
 
 		#endregion
 		
+		// TODO: I have no idea if this is right.
+		public IntPtr WinHandle { 
+			get { return windowRef; }
+		}
+
 		#region IDisposable Members
 
 		public void Dispose()

OpenTK/Platform/Windows/WinWindowInfo.cs

@@ -112,5 +112,9 @@ namespace OpenTK.Platform.Windows {
 		~WinWindowInfo() {
 			Dispose(false);
 		}
+		
+		public IntPtr WinHandle { 
+			get { return WindowHandle; }
+		}
 	}
 }

OpenTK/Platform/X11/X11WindowInfo.cs

@@ -77,5 +77,9 @@ namespace OpenTK.Platform.X11 {
 		public override int GetHashCode() {
 			return WindowHandle.GetHashCode() ^ Display.GetHashCode();
 		}
+		
+		public IntPtr WinHandle { 
+			get { return WindowHandle; }
+		}
 	}
 }