wxWidgets/include/wx/mac/corefoundation/hid.h
2007-08-13 22:06:26 +00:00

117 lines
3.8 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/mac/corefoundation/hid.h
// Purpose: DARWIN HID layer for WX
// Author: Ryan Norton
// Modified by:
// Created: 11/11/2003
// RCS-ID: $Id$
// Copyright: (c) Ryan Norton
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ===========================================================================
// declarations
// ===========================================================================
// ---------------------------------------------------------------------------
// headers
// ---------------------------------------------------------------------------
#ifndef _WX_MACCARBONHID_H_
#define _WX_MACCARBONHID_H_
#include "wx/defs.h"
#include "wx/string.h"
//Mac OSX only
#ifdef __DARWIN__
#include <IOKit/IOKitLib.h>
#include <IOKit/IOCFPlugIn.h>
#include <IOKit/hid/IOHIDLib.h>
#include <IOKit/hid/IOHIDKeys.h>
#include <Kernel/IOKit/hidsystem/IOHIDUsageTables.h>
//Darn apple - doesn't properly wrap their headers in extern "C"!
//http://www.macosx.com/forums/archive/index.php/t-68069.html
//Needed for codewarrior link error with mach_port_deallocate()
extern "C" {
#include <mach/mach_port.h>
}
#include <mach/mach.h> //this actually includes mach_port.h (see above)
// ===========================================================================
// definitions
// ===========================================================================
// ---------------------------------------------------------------------------
// wxHIDDevice
//
// A wrapper around OS X HID Manager procedures.
// The tutorial "Working With HID Class Device Interfaces" Is
// Quite good, as is the sample program associated with it
// (Depite the author's protests!).
// ---------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxHIDDevice
{
public:
wxHIDDevice() : m_ppDevice(NULL), m_ppQueue(NULL), m_pCookies(NULL) {}
bool Create (int nClass = -1, int nType = -1, int nDev = 1);
static size_t GetCount(int nClass = -1, int nType = -1);
void AddCookie(CFTypeRef Data, int i);
void AddCookieInQueue(CFTypeRef Data, int i);
void InitCookies(size_t dwSize, bool bQueue = false);
//Must be implemented by derived classes
//builds the cookie array -
//first call InitCookies to initialize the cookie
//array, then AddCookie to add a cookie at a certain point in an array
virtual void BuildCookies(CFArrayRef Array) = 0;
//checks to see whether the cookie at nIndex is active (element value != 0)
bool IsActive(int nIndex);
//checks to see whether an element in the internal cookie array
//exists
bool HasElement(int nIndex);
//closes the device and cleans the queue and cookies
virtual ~wxHIDDevice();
protected:
IOHIDDeviceInterface** m_ppDevice; //this, essentially
IOHIDQueueInterface** m_ppQueue; //queue (if we want one)
IOHIDElementCookie* m_pCookies; //cookies
wxString m_szProductName; //product name
int m_nProductId; //product id
int m_nManufacturerId; //manufacturer id
mach_port_t m_pPort; //mach port to use
};
// ---------------------------------------------------------------------------
// wxHIDKeyboard
//
// Semi-simple implementation that opens a connection to the first
// keyboard of the machine. Used in wxGetKeyState.
// ---------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxHIDKeyboard : public wxHIDDevice
{
public:
static int GetCount();
bool Create(int nDev = 1);
void AddCookie(CFTypeRef Data, int i);
virtual void BuildCookies(CFArrayRef Array);
void DoBuildCookies(CFArrayRef Array);
};
#endif //__DARWIN__
#endif
// _WX_MACCARBONHID_H_