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) 2007 Novell, Inc.
23 // Geoff Norton <gnorton@novell.com>
28 using System.Runtime.InteropServices;
30 namespace System.Windows.Forms.CarbonInternal {
31 internal class HIObjectHandler : EventHandlerBase, IEventHandler {
32 internal const uint kEventHIObjectConstruct = 1;
33 internal const uint kEventHIObjectInitialize = 2;
34 internal const uint kEventHIObjectDestruct = 3;
36 internal HIObjectHandler (XplatUICarbon driver) : base (driver) {}
38 public bool ProcessEvent (IntPtr callref, IntPtr eventref, IntPtr handle, uint kind, ref MSG msg) {
40 case kEventHIObjectConstruct:
41 IntPtr v = IntPtr.Zero;
42 GetEventParameter (eventref, (uint)1751740265, (uint)1751740258, IntPtr.Zero, 4, IntPtr.Zero, ref v);
44 case kEventHIObjectInitialize:
45 CallNextEventHandler (callref, eventref);
47 case kEventHIObjectDestruct:
52 [DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
53 static extern int CallNextEventHandler (IntPtr callref, IntPtr eventref);
54 [DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
55 static extern int GetEventParameter (IntPtr eventref, uint name, uint type, IntPtr outtype, uint size, IntPtr outsize, ref IntPtr data);