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
46 window_handle
=IntPtr
.Zero
;
48 #endregion // Public Constructors
50 #region Public Instance Properties
51 public IntPtr Handle
{
56 #endregion // Public Instance Properties
58 #region Public Static Methods
59 public static NativeWindow
FromHandle(IntPtr handle
)
61 NativeWindow window
=new NativeWindow();
63 window
.AssignHandle(handle
);
66 #endregion // Public Static Methods
68 #region Private and Internal Methods
69 internal static NativeWindow
FindWindow(IntPtr handle
)
72 lock (window_collection
) {
73 rv
= (NativeWindow
)window_collection
[handle
];
78 internal void InvalidateHandle()
80 lock (window_collection
) {
81 window_collection
.Remove(window_handle
);
83 window_handle
= IntPtr
.Zero
;
87 #region Public Instance Methods
88 public void AssignHandle(IntPtr handle
)
90 lock (window_collection
) {
91 if (window_handle
!= IntPtr
.Zero
) {
92 window_collection
.Remove(window_handle
);
95 window_collection
.Add(window_handle
, this);
100 public virtual void CreateHandle(CreateParams create_params
)
102 if (create_params
!= null) {
103 window_handle
=XplatUI
.CreateWindow(create_params
);
105 if (window_handle
!= IntPtr
.Zero
) {
106 lock (window_collection
) {
107 window_collection
.Add(window_handle
, this);
113 public void DefWndProc(ref Message m
)
115 m
.Result
=XplatUI
.DefWndProc(ref m
);
118 public virtual void DestroyHandle()
120 if (window_handle
!= IntPtr
.Zero
) {
121 XplatUI
.DestroyWindow(window_handle
);
125 public virtual void ReleaseHandle()
127 lock (window_collection
) {
128 window_collection
.Remove(window_handle
);
130 window_handle
=IntPtr
.Zero
;
134 #endregion // Public Instance Methods
136 #region Protected Instance Methods
141 protected virtual void OnHandleChange()
145 protected virtual void OnThreadException(Exception e
)
147 Application
.OnThreadException(e
);
150 protected virtual void WndProc(ref Message m
)
155 internal static IntPtr
WndProc(IntPtr hWnd
, Msg msg
, IntPtr wParam
, IntPtr lParam
)
157 Message m
= new Message();
158 NativeWindow window
= null;
161 lock (window_collection
) {
162 window
= (NativeWindow
)window_collection
[hWnd
];
168 m
.Result
=IntPtr
.Zero
;
171 window
.WndProc(ref m
);
173 m
.Result
=XplatUI
.DefWndProc(ref m
);
175 catch (Exception ex
) {
176 #if !ExternalExceptionHandler
178 window
.OnThreadException(ex
);
185 Console
.WriteLine("NativeWindow.cs: Message {0}, result {1}", msg
, m
.Result
);
190 #endregion // Protected Instance Methods