include/wx/mac/private/hid.h

   1 #include <wx/wx.h>
   2 #include <IOKit/IOKitLib.h>
   3 #include <IOKit/IOCFPlugIn.h>
   4 #include <IOKit/hid/IOHIDLib.h>
   5 #include <IOKit/hid/IOHIDKeys.h>
   6 #include <Kernel/IOKit/hidsystem/IOHIDUsageTables.h>
   7
   8 #include <mach/mach.h>
   9
  10 //Utility wrapper around CFArray
  11 class wxCFArray
  12 {
  13 public:
  14         wxCFArray(CFTypeRef pData) : pArray((CFArrayRef) pData) {}
  15         CFTypeRef operator [] (const int& nIndex) {return CFArrayGetValueAtIndex(pArray, nIndex); }
  16         int Count() {return CFArrayGetCount(pArray);}
  17 private:
  18         CFArrayRef pArray;
  19 };
  20
  21 //
  22 //      A wrapper around OS X HID Manager procedures.
  23 //      The tutorial "Working With HID Class Device Interfaces" Is
  24 //      Quite good, as is the sample program associated with it
  25 //  (Depite the author's protests!).
  26 class wxHIDDevice
  27 {
  28 public:
  29         wxHIDDevice() : m_ppDevice(NULL), m_ppQueue(NULL), m_pCookies(NULL) {}
  30         //kHIDPage_GenericDesktop
  31         //kHIDUsage_GD_Joystick,kHIDUsage_GD_Mouse,kHIDUsage_GD_Keyboard
  32         bool Create (const int& nClass = -1, const int& nType = -1);
  33
  34         inline void AddCookie(CFTypeRef Data, const int& i);
  35         inline void AddCookieInQueue(CFTypeRef Data, const int& i);
  36         inline void InitCookies(const size_t& dwSize, bool bQueue = false);
  37
  38         //Must be implemented by derived classes
  39         //builds the cookie array -
  40         //first call InitCookies to initialize the cookie
  41         //array, then AddCookie to add a cookie at a certain point in an array
  42         virtual void BuildCookies(wxCFArray& Array) = 0;
  43
  44         //checks to see whether the cookie at index nIndex is active (element value != 0)
  45         bool IsActive(const int& nIndex);
  46
  47         //closes the device and cleans the queue and cookies
  48         virtual ~wxHIDDevice();
  49 private:
  50         IOHIDDeviceInterface**  m_ppDevice; //this, essentially
  51         IOHIDQueueInterface**   m_ppQueue;  //queue (if we want one)
  52         IOHIDElementCookie*     m_pCookies; //cookies
  53
  54         const char*                     m_szName; //(product) name
  55         mach_port_t                     m_pPort;
  56 };
  57
  58 class wxHIDKeyboard : public wxHIDDevice
  59 {
  60 public:
  61         bool Create();
  62         virtual void BuildCookies(wxCFArray& Array);
  63 };