1 files changed, 167 insertions, 0 deletions
diff --git a/mcs/class/Managed.Windows.Forms/System.Windows.Forms/NativeWindow.cs b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/NativeWindow.cs
new file mode 100644
index 00000000000..6811b434778
--- /dev/null
+++ b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/NativeWindow.cs
@@ -0,0 +1,167 @@
+// 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.
+//
+// Copyright (c) 2004-2006 Novell, Inc.
+//
+// Authors:
+//	Peter Dennis Bartok	pbartok@novell.com
+//
+
+
+// COMPLETE
+
+#define ExternalExceptionHandler
+
+using System.Runtime.Remoting;
+using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
+using System.Collections;
+using System.Diagnostics;
+
+namespace System.Windows.Forms
+{
+	public class NativeWindow : MarshalByRefObject {
+		internal IntPtr			window_handle;
+		static internal Hashtable	window_collection = new Hashtable();
+
+		#region Public Constructors
+		public NativeWindow() {
+			window_handle=IntPtr.Zero;
+		}
+		#endregion	// Public Constructors
+
+		#region Public Instance Properties
+		public IntPtr Handle {
+			get {
+				return window_handle;
+			}
+		}
+		#endregion	// Public Instance Properties
+
+		#region Public Static Methods
+		public static NativeWindow FromHandle(IntPtr handle) {
+			NativeWindow window=new NativeWindow();
+
+			window.AssignHandle(handle);
+			return window;
+		}
+		#endregion	// Public Static Methods
+
+		#region Private and Internal Methods
+		internal static NativeWindow FindWindow(IntPtr handle) {
+			return (NativeWindow)window_collection[handle];
+		}
+
+		internal void InvalidateHandle() {
+			window_collection.Remove(window_handle);
+			window_handle = IntPtr.Zero;
+		}
+		#endregion
+
+		#region Public Instance Methods
+		public void AssignHandle(IntPtr handle) {
+			if (window_handle != IntPtr.Zero) {
+				window_collection.Remove(window_handle);
+			}
+			window_handle=handle;
+			window_collection.Add(window_handle, this);
+			OnHandleChange();
+		}
+
+		public virtual void CreateHandle(CreateParams create_params) {
+			if (create_params != null) {
+				window_handle=XplatUI.CreateWindow(create_params);
+
+				if (window_handle != IntPtr.Zero) {
+					window_collection.Add(window_handle, this);
+				}
+			}
+		}
+
+		public void DefWndProc(ref Message m) {
+			m.Result=XplatUI.DefWndProc(ref m);
+		}
+
+		public virtual void DestroyHandle() {
+			if (window_handle != IntPtr.Zero) {
+				XplatUI.DestroyWindow(window_handle);
+			}
+		}
+
+		public virtual void ReleaseHandle() {
+			window_collection.Remove(window_handle);
+			window_handle=IntPtr.Zero;
+			OnHandleChange();
+		}
+
+		#endregion	// Public Instance Methods
+
+		#region Protected Instance Methods
+		~NativeWindow() {
+		}
+
+		protected virtual void OnHandleChange() {
+		}
+
+		protected virtual void OnThreadException(Exception e) {
+			Application.OnThreadException(e);
+		}
+
+		protected virtual void WndProc(ref Message m) {
+			DefWndProc(ref m);
+		}
+
+		internal static IntPtr WndProc(IntPtr hWnd, Msg msg, IntPtr wParam, IntPtr lParam) {
+			Message		m = new Message();
+			NativeWindow	window = null;
+
+			#if !ExternalExceptionHandler
+			try {
+			#endif
+				window = (NativeWindow)window_collection[hWnd];
+				m.HWnd=hWnd;
+				m.Msg=(int)msg;
+				m.WParam=wParam;
+				m.LParam=lParam;
+				m.Result=IntPtr.Zero;
+
+				if (window != null) {
+					window.WndProc(ref m);
+				} else {
+					m.Result=XplatUI.DefWndProc(ref m);
+				}
+			#if !ExternalExceptionHandler
+			}
+
+			catch(System.Exception ex) {
+				if (window != null) {
+					window.OnThreadException(ex);
+				}
+			}
+			#endif
+
+			#if debug
+				Console.WriteLine("NativeWindow.cs: Message {0}, result {1}", msg, m.Result);
+			#endif
+
+			return m.Result;
+		}
+		#endregion	// Protected Instance Methods
+	}
+}