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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/mac/corefoundation/hid.h
3 // Purpose: DARWIN HID layer for WX
4 // Author: Ryan Norton
5 // Modified by:
6 // Created: 11/11/2003
7 // RCS-ID: $Id$
8 // Copyright: (c) Ryan Norton
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 // ===========================================================================
13 // declarations
14 // ===========================================================================
15
16 // ---------------------------------------------------------------------------
17 // headers
18 // ---------------------------------------------------------------------------
19
20 #ifndef _WX_MACCARBONHID_H_
21 #define _WX_MACCARBONHID_H_
22
23 #include "wx/defs.h"
24 #include "wx/string.h"
25
26 //Mac OSX only
27 #ifdef __DARWIN__
28
29 #include <IOKit/IOKitLib.h>
30 #include <IOKit/IOCFPlugIn.h>
31 #include <IOKit/hid/IOHIDLib.h>
32 #include <IOKit/hid/IOHIDKeys.h>
33 #include <Kernel/IOKit/hidsystem/IOHIDUsageTables.h>
34
35 //Darn apple - doesn't properly wrap their headers in extern "C"!
36 //http://www.macosx.com/forums/archive/index.php/t-68069.html
37 //Needed for codewarrior link error with mach_port_deallocate()
38 extern "C" {
39 #include <mach/mach_port.h>
40 }
41
42 #include <mach/mach.h> //this actually includes mach_port.h (see above)
43
44 // ===========================================================================
45 // definitions
46 // ===========================================================================
47
48
49 // ---------------------------------------------------------------------------
50 // wxHIDDevice
51 //
52 // A wrapper around OS X HID Manager procedures.
53 // The tutorial "Working With HID Class Device Interfaces" Is
54 // Quite good, as is the sample program associated with it
55 // (Depite the author's protests!).
56 // ---------------------------------------------------------------------------
57 class WXDLLIMPEXP_CORE wxHIDDevice
58 {
59 public:
60 wxHIDDevice() : m_ppDevice(NULL), m_ppQueue(NULL), m_pCookies(NULL) {}
61
62 bool Create (int nClass = -1, int nType = -1, int nDev = 1);
63
64 static size_t GetCount(int nClass = -1, int nType = -1);
65
66 void AddCookie(CFTypeRef Data, int i);
67 void AddCookieInQueue(CFTypeRef Data, int i);
68 void InitCookies(size_t dwSize, bool bQueue = false);
69
70 //Must be implemented by derived classes
71 //builds the cookie array -
72 //first call InitCookies to initialize the cookie
73 //array, then AddCookie to add a cookie at a certain point in an array
74 virtual void BuildCookies(CFArrayRef Array) = 0;
75
76 //checks to see whether the cookie at nIndex is active (element value != 0)
77 bool IsActive(int nIndex);
78
79 //checks to see whether an element in the internal cookie array
80 //exists
81 bool HasElement(int nIndex);
82
83 //closes the device and cleans the queue and cookies
84 virtual ~wxHIDDevice();
85
86 protected:
87 IOHIDDeviceInterface** m_ppDevice; //this, essentially
88 IOHIDQueueInterface** m_ppQueue; //queue (if we want one)
89 IOHIDElementCookie* m_pCookies; //cookies
90
91 wxString m_szProductName; //product name
92 int m_nProductId; //product id
93 int m_nManufacturerId; //manufacturer id
94 mach_port_t m_pPort; //mach port to use
95 };
96
97 // ---------------------------------------------------------------------------
98 // wxHIDKeyboard
99 //
100 // Semi-simple implementation that opens a connection to the first
101 // keyboard of the machine. Used in wxGetKeyState.
102 // ---------------------------------------------------------------------------
103 class WXDLLIMPEXP_CORE wxHIDKeyboard : public wxHIDDevice
104 {
105 public:
106 static int GetCount();
107 bool Create(int nDev = 1);
108 void AddCookie(CFTypeRef Data, int i);
109 virtual void BuildCookies(CFArrayRef Array);
110 void DoBuildCookies(CFArrayRef Array);
111 };
112
113 #endif //__DARWIN__
114
115 #endif
116 // _WX_MACCARBONHID_H_