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adding magnification API into the wxWindow classes for best retina support
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1/////////////////////////////////////////////////////////////////////////////
2// Name: wx/osx/core/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
37extern "C" {
38#include <mach/mach_port.h>
39}
40
41#include <mach/mach.h> //this actually includes mach_port.h (see above)
42
43// ===========================================================================
44// definitions
45// ===========================================================================
46
47
48// ---------------------------------------------------------------------------
49// wxHIDDevice
50//
51// A wrapper around OS X HID Manager procedures.
52// The tutorial "Working With HID Class Device Interfaces" Is
53// Quite good, as is the sample program associated with it
54// (Depite the author's protests!).
55// ---------------------------------------------------------------------------
56class WXDLLIMPEXP_CORE wxHIDDevice
57{
58public:
59 wxHIDDevice() : m_ppDevice(NULL), m_ppQueue(NULL), m_pCookies(NULL) {}
60
61 bool Create (int nClass = -1, int nType = -1, int nDev = 1);
62
63 static size_t GetCount(int nClass = -1, int nType = -1);
64
65 void AddCookie(CFTypeRef Data, int i);
66 void AddCookieInQueue(CFTypeRef Data, int i);
67 void InitCookies(size_t dwSize, bool bQueue = false);
68
69 //Must be implemented by derived classes
70 //builds the cookie array -
71 //first call InitCookies to initialize the cookie
72 //array, then AddCookie to add a cookie at a certain point in an array
73 virtual void BuildCookies(CFArrayRef Array) = 0;
74
75 //checks to see whether the cookie at nIndex is active (element value != 0)
76 bool IsActive(int nIndex);
77
78 //checks to see whether an element in the internal cookie array
79 //exists
80 bool HasElement(int nIndex);
81
82 //closes the device and cleans the queue and cookies
83 virtual ~wxHIDDevice();
84
85protected:
86 IOHIDDeviceInterface** m_ppDevice; //this, essentially
87 IOHIDQueueInterface** m_ppQueue; //queue (if we want one)
88 IOHIDElementCookie* m_pCookies; //cookies
89
90 wxString m_szProductName; //product name
91 int m_nProductId; //product id
92 int m_nManufacturerId; //manufacturer id
93 mach_port_t m_pPort; //mach port to use
94};
95
96// ---------------------------------------------------------------------------
97// wxHIDKeyboard
98//
99// Semi-simple implementation that opens a connection to the first
100// keyboard of the machine. Used in wxGetKeyState.
101// ---------------------------------------------------------------------------
102class WXDLLIMPEXP_CORE wxHIDKeyboard : public wxHIDDevice
103{
104public:
105 static int GetCount();
106 bool Create(int nDev = 1);
107 void AddCookie(CFTypeRef Data, int i);
108 virtual void BuildCookies(CFArrayRef Array);
109 void DoBuildCookies(CFArrayRef Array);
110};
111
112#endif //__DARWIN__
113
114#endif
115 // _WX_MACCARBONHID_H_