1 // Permission is hereby granted, free of charge, to any person obtaining
2 // a copy of this software and associated documentation files (the
3 // "Software"), to deal in the Software without restriction, including
4 // without limitation the rights to use, copy, modify, merge, publish,
5 // distribute, sublicense, and/or sell copies of the Software, and to
6 // permit persons to whom the Software is furnished to do so, subject to
7 // the following conditions:
9 // The above copyright notice and this permission notice shall be
10 // included in all copies or substantial portions of the Software.
12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20 // Copyright (c) 2004-2006 Novell, Inc.
23 // Peter Dennis Bartok pbartok@novell.com
29 #define ExternalExceptionHandler
31 using System.Runtime.Remoting;
32 using System.Runtime.InteropServices;
33 using System.Runtime.CompilerServices;
34 using System.Collections;
35 using System.Diagnostics;
37 namespace System.Windows.Forms
39 public class NativeWindow : MarshalByRefObject {
40 internal IntPtr window_handle;
41 static internal Hashtable window_collection = new Hashtable();
43 #region Public Constructors
44 public NativeWindow() {
45 window_handle=IntPtr.Zero;
47 #endregion // Public Constructors
49 #region Public Instance Properties
50 public IntPtr Handle {
55 #endregion // Public Instance Properties
57 #region Public Static Methods
58 public static NativeWindow FromHandle(IntPtr handle) {
59 NativeWindow window=new NativeWindow();
61 window.AssignHandle(handle);
64 #endregion // Public Static Methods
66 #region Private and Internal Methods
67 internal static NativeWindow FindWindow(IntPtr handle) {
69 lock (window_collection) {
70 rv = (NativeWindow)window_collection[handle];
75 internal void InvalidateHandle() {
76 lock (window_collection) {
77 window_collection.Remove(window_handle);
79 window_handle = IntPtr.Zero;
83 #region Public Instance Methods
84 public void AssignHandle(IntPtr handle) {
85 lock (window_collection) {
86 if (window_handle != IntPtr.Zero) {
87 window_collection.Remove(window_handle);
90 window_collection.Add(window_handle, this);
95 public virtual void CreateHandle(CreateParams create_params) {
96 if (create_params != null) {
97 window_handle=XplatUI.CreateWindow(create_params);
99 if (window_handle != IntPtr.Zero) {
100 lock (window_collection) {
101 window_collection.Add(window_handle, this);
107 public void DefWndProc(ref Message m) {
108 m.Result=XplatUI.DefWndProc(ref m);
111 public virtual void DestroyHandle() {
112 if (window_handle != IntPtr.Zero) {
113 XplatUI.DestroyWindow(window_handle);
117 public virtual void ReleaseHandle() {
118 lock (window_collection) {
119 window_collection.Remove(window_handle);
121 window_handle=IntPtr.Zero;
125 #endregion // Public Instance Methods
127 #region Protected Instance Methods
131 protected virtual void OnHandleChange() {
134 protected virtual void OnThreadException(Exception e) {
135 Application.OnThreadException(e);
138 protected virtual void WndProc(ref Message m) {
142 internal static IntPtr WndProc(IntPtr hWnd, Msg msg, IntPtr wParam, IntPtr lParam) {
143 Message m = new Message();
144 NativeWindow window = null;
146 #if !ExternalExceptionHandler
149 lock (window_collection) {
150 window = (NativeWindow)window_collection[hWnd];
156 m.Result=IntPtr.Zero;
158 if (window != null) {
159 window.WndProc(ref m);
161 m.Result=XplatUI.DefWndProc(ref m);
163 #if !ExternalExceptionHandler
166 catch(System.Exception ex) {
167 if (window != null) {
168 window.OnThreadException(ex);
174 Console.WriteLine("NativeWindow.cs: Message {0}, result {1}", msg, m.Result);
179 #endregion // Protected Instance Methods