[wxWidgets.git] / src / mac / corefoundation / hid.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        hid.cpp
// Purpose:     DARWIN HID layer for WX Implementation
// Author:      Ryan Norton
// Modified by:
// Created:     11/11/2003
// RCS-ID:      $Id$
// Copyright:   (c) Ryan Norton
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// ===========================================================================
// declarations
// ===========================================================================

// ---------------------------------------------------------------------------
// headers
// ---------------------------------------------------------------------------

#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "hid.h"
#endif

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

//DARWIN _ONLY_
#ifdef __DARWIN__

#include "wx/mac/corefoundation/hid.h"
#include "wx/string.h"
#include "wx/log.h"
#include "wx/mac/corefoundation/cfstring.h"


// ---------------------------------------------------------------------------
// assertion macros
// ---------------------------------------------------------------------------

#define wxFORCECHECK_MSG(arg, msg)  \
{\
	if (arg) \
	{\
		wxLogSysError(wxString::Format(wxT("Message:%s\nHID: %s failed!"), wxT(msg), wxT(#arg)));\
		return false;\
	}\
}
#define wxIOCHECK(arg, msg)  wxFORCECHECK_MSG(arg != kIOReturnSuccess, msg)
#define wxKERNCHECK(arg, msg) wxFORCECHECK_MSG(arg != KERN_SUCCESS, msg)
#define wxSCHECK(arg, msg) wxFORCECHECK_MSG(arg != S_OK, msg)

#ifdef __WXDEBUG___
#	define wxVERIFY(arg)	wxASSERT(arg)
#else
#	define wxVERIFY(arg)	arg
#endif

/*
void CFShowTypeIDDescription(CFTypeRef pData)
{
	if(!pData)
	{
		wxASSERT(false);
		return;
	}
	
	wxMessageBox(
		CFStringGetCStringPtr(
			CFCopyTypeIDDescription(CFGetTypeID(pData)),CFStringGetSystemEncoding()
							 )
				);	
}
*/

// ============================================================================
// implementation
// ============================================================================

// ---------------------------------------------------------------------------
// wxHIDDevice
// ---------------------------------------------------------------------------

bool wxHIDDevice::Create (int nClass, int nType, int nDev)
{
	//Create the mach port
	wxIOCHECK(IOMasterPort(bootstrap_port, &m_pPort), "Could not create mach port");

	//Dictionary that will hold first
	//the matching dictionary for determining which kind of devices we want,
	//then later some registry properties from an iterator (see below)
	CFMutableDictionaryRef pDictionary;

	//Create a dictionary
	//The call to IOServiceMatching filters down the
	//the services we want to hid services (and also eats the
	//dictionary up for us (consumes one reference))
	wxVERIFY((pDictionary = IOServiceMatching(kIOHIDDeviceKey)) != NULL );

	//Here we'll filter down the services to what we want
	if (nType != -1)
	{
		CFNumberRef pType = CFNumberCreate(kCFAllocatorDefault,
									kCFNumberIntType, &nType);
		CFDictionarySetValue(pDictionary, CFSTR(kIOHIDPrimaryUsageKey), pType);
		CFRelease(pType);
	}
	if (nClass != -1)
	{
		CFNumberRef pClass = CFNumberCreate(kCFAllocatorDefault,
									kCFNumberIntType, &nClass);
		CFDictionarySetValue(pDictionary, CFSTR(kIOHIDPrimaryUsagePageKey), pClass);
		CFRelease(pClass);
	}

	//Now get the maching services
	io_iterator_t pIterator;
	wxIOCHECK(IOServiceGetMatchingServices(m_pPort, pDictionary, &pIterator), "No Matching HID Services");
	wxASSERT_MSG(pIterator != 0, wxT("No devices found!"));

	//Now we iterate through them
	io_object_t pObject;
	while ( (pObject = IOIteratorNext(pIterator)) != 0)
	{
        if(--nDev != 0)
            continue;
            
		wxVERIFY(IORegistryEntryCreateCFProperties(pObject, &pDictionary,
											kCFAllocatorDefault, kNilOptions) == KERN_SUCCESS);

		//Just for sanity :)
		wxASSERT(CFGetTypeID(CFDictionaryGetValue(pDictionary, CFSTR(kIOHIDProductKey))) == CFStringGetTypeID());
			
/*
        kIOHIDTransportKey;
        kIOHIDVendorIDKey;
        kIOHIDProductIDKey;
        kIOHIDVersionNumberKey;
        kIOHIDManufacturerKey;
        kIOHIDSerialNumberKey;
        if !kIOHIDLocationIDKey
            kUSBDevicePropertyLocationID
        kIOHIDPrimaryUsageKey
kIOHIDPrimaryUsagePageKey
idProduct
idVendor
USB Product Name
*/
		//Get [product] name
		m_szProductName = wxMacCFStringHolder( (CFStringRef) CFDictionaryGetValue(pDictionary, CFSTR(kIOHIDProductKey)), false ).AsString();
        
	CFNumberGetValue(
				(CFNumberRef) CFDictionaryGetValue(pDictionary, CFSTR(kIOHIDProductIDKey)),	
				kCFNumberIntType,
                &m_nProductId
				);


	CFNumberGetValue(
				(CFNumberRef) CFDictionaryGetValue(pDictionary, CFSTR(kIOHIDVendorIDKey)),	
				kCFNumberIntType,
                &m_nManufacturerId
				);

		//Create the interface (good grief - long function names!)
		SInt32 nScore;
		IOCFPlugInInterface** ppPlugin;
		wxIOCHECK(IOCreatePlugInInterfaceForService(pObject, kIOHIDDeviceUserClientTypeID,
											kIOCFPlugInInterfaceID, &ppPlugin, &nScore), "");
											   
		//Now, the final thing we can check before we fall back to asserts
		//(because the dtor only checks if the device is ok, so if anything
		//fails from now on the dtor will delete the device anyway, so we can't break from this).
			
		//Get the HID interface from the plugin to the mach port
		wxSCHECK((*ppPlugin)->QueryInterface(ppPlugin,
							CFUUIDGetUUIDBytes(kIOHIDDeviceInterfaceID), (void**) &m_ppDevice), "");
							
		//release the plugin
		(*ppPlugin)->Release(ppPlugin);
		
		//open the HID interface...
		wxVERIFY((*m_ppDevice)->open(m_ppDevice, 0) == S_OK);
		
		//
		//Now the hard part - in order to scan things we need "cookies" -
		//
		wxCFArray CookieArray = CFDictionaryGetValue(pDictionary, CFSTR(kIOHIDElementKey));
		BuildCookies(CookieArray);

		//cleanup
		CFRelease(pDictionary);
		IOObjectRelease(pObject);
		break;
	}
	//iterator cleanup
	IOObjectRelease(pIterator);
		
	return true;
}//end Create()
	
int wxHIDDevice::GetCount (int nClass, int nType)
{
	mach_port_t 			m_pPort;

	//Create the mach port
	wxIOCHECK(IOMasterPort(bootstrap_port, &m_pPort), "Could not create mach port");

	//Dictionary that will hold first
	//the matching dictionary for determining which kind of devices we want,
	//then later some registry properties from an iterator (see below)
	CFMutableDictionaryRef pDictionary;

	//Create a dictionary
	//The call to IOServiceMatching filters down the
	//the services we want to hid services (and also eats the
	//dictionary up for us (consumes one reference))
	wxVERIFY((pDictionary = IOServiceMatching(kIOHIDDeviceKey)) != NULL );

	//Here we'll filter down the services to what we want
	if (nType != -1)
	{
		CFNumberRef pType = CFNumberCreate(kCFAllocatorDefault,
									kCFNumberIntType, &nType);
		CFDictionarySetValue(pDictionary, CFSTR(kIOHIDPrimaryUsageKey), pType);
		CFRelease(pType);
	}
	if (nClass != -1)
	{
		CFNumberRef pClass = CFNumberCreate(kCFAllocatorDefault,
									kCFNumberIntType, &nClass);
		CFDictionarySetValue(pDictionary, CFSTR(kIOHIDPrimaryUsagePageKey), pClass);
		CFRelease(pClass);
	}

	//Now get the maching services
	io_iterator_t pIterator;
	wxIOCHECK(IOServiceGetMatchingServices(m_pPort, pDictionary, &pIterator), "No Matching HID Services");
	
    if(pIterator == NULL)
        return 0;

	//Now we iterate through them
	io_object_t pObject;
    
    int nCount = 0;
    
	while ( (pObject = IOIteratorNext(pIterator)) != 0)
        ++nCount;
	
    //iterator cleanup
	IOObjectRelease(pIterator);
		
	return nCount;
}//end Create()

void wxHIDDevice::AddCookie(CFTypeRef Data, int i)
{
	CFNumberGetValue(
				(CFNumberRef) CFDictionaryGetValue	( (CFDictionaryRef) Data
										, CFSTR(kIOHIDElementCookieKey)
										),	
				kCFNumberIntType,
				&m_pCookies[i]
				);
}

void wxHIDDevice::AddCookieInQueue(CFTypeRef Data, int i)
{
	AddCookie(Data, i);
	wxVERIFY((*m_ppQueue)->addElement(m_ppQueue, m_pCookies[i], 0) == S_OK);//3rd Param flags (none yet)
}
	
void wxHIDDevice::InitCookies(size_t dwSize, bool bQueue)
{
	m_pCookies = new IOHIDElementCookie[dwSize];
	if (bQueue)
	{
		wxASSERT( m_ppQueue == NULL);
		wxVERIFY(  (m_ppQueue = (*m_ppDevice)->allocQueue(m_ppDevice)) != NULL);
		wxVERIFY(  (*m_ppQueue)->create(m_ppQueue, 0, 512) == S_OK); //Param 2, flags, none yet
	}		
}

bool wxHIDDevice::IsActive(int nIndex)
{
	wxASSERT(m_pCookies[nIndex] != NULL);
	IOHIDEventStruct Event;
	(*m_ppDevice)->getElementValue(m_ppDevice, m_pCookies[nIndex], &Event);
	return !!Event.value;
}
	
bool wxHIDDevice::HasElement(int nIndex)
{
    return m_pCookies[nIndex] != NULL;
}

wxHIDDevice::~wxHIDDevice()
{
	if (m_ppDevice != NULL)
	{
		if (m_ppQueue != NULL)
		{
			(*m_ppQueue)->stop(m_ppQueue);
			(*m_ppQueue)->dispose(m_ppQueue);
			(*m_ppQueue)->Release(m_ppQueue);
		}
		(*m_ppDevice)->close(m_ppDevice);
		(*m_ppDevice)->Release(m_ppDevice);
		mach_port_deallocate(mach_task_self(), m_pPort);
	}
	
	if (m_pCookies != NULL)
	{
		delete [] m_pCookies;
	}
}

// ---------------------------------------------------------------------------
// wxHIDKeyboard
// ---------------------------------------------------------------------------

enum
{
	WXK_RSHIFT = 400,
	WXK_RALT,
	WXK_RCONTROL,
	WXK_RMENU
	
};

bool wxHIDKeyboard::Create()
{
	return wxHIDDevice::Create(kHIDPage_GenericDesktop, kHIDUsage_GD_Keyboard);
}

void wxHIDKeyboard::BuildCookies(wxCFArray& Array)
{
	Array = CFDictionaryGetValue((CFDictionaryRef)Array[0], CFSTR(kIOHIDElementKey));
	InitCookies(500);
	int i,
		nUsage;
	for (i = 0; i < Array.Count(); ++i)
	{
		CFNumberGetValue(
			(CFNumberRef) CFDictionaryGetValue((CFDictionaryRef) Array[i], CFSTR(kIOHIDElementUsageKey)), 
				kCFNumberLongType, &nUsage);
			
		if (nUsage >= kHIDUsage_KeyboardA && nUsage <= kHIDUsage_KeyboardZ)
			AddCookie(Array[i], 'A' + (nUsage - kHIDUsage_KeyboardA) );
		else if (nUsage >= kHIDUsage_Keyboard1 && nUsage <= kHIDUsage_Keyboard9)
			AddCookie(Array[i], '1' + (nUsage - kHIDUsage_Keyboard1) );
		else if (nUsage >= kHIDUsage_KeyboardF1 && nUsage <= kHIDUsage_KeyboardF12)
			AddCookie(Array[i], WXK_F1 + (nUsage - kHIDUsage_KeyboardF1) );
		else if (nUsage >= kHIDUsage_KeyboardF13 && nUsage <= kHIDUsage_KeyboardF24)
			AddCookie(Array[i], WXK_F13 + (nUsage - kHIDUsage_KeyboardF13) );
		else if (nUsage >= kHIDUsage_Keypad1 && nUsage <= kHIDUsage_Keypad9)
			AddCookie(Array[i], WXK_NUMPAD1 + (nUsage - kHIDUsage_Keypad1) );
		else switch (nUsage)
		{
			//0's (wx & ascii go 0-9, but HID goes 1-0)
			case kHIDUsage_Keyboard0:
				AddCookie(Array[i],'0');
				break;
			case kHIDUsage_Keypad0:
				AddCookie(Array[i],WXK_NUMPAD0);
				break;
				
			//Basic
			case kHIDUsage_KeyboardReturnOrEnter:
				AddCookie(Array[i], WXK_RETURN);
				break;
			case kHIDUsage_KeyboardEscape:
				AddCookie(Array[i], WXK_ESCAPE);
				break;
			case kHIDUsage_KeyboardDeleteOrBackspace:
				AddCookie(Array[i], WXK_BACK);
				break;
			case kHIDUsage_KeyboardTab:
				AddCookie(Array[i], WXK_TAB);
				break;
			case kHIDUsage_KeyboardSpacebar:
				AddCookie(Array[i], WXK_SPACE);
				break;
			case kHIDUsage_KeyboardPageUp:
				AddCookie(Array[i], WXK_PRIOR);
				break;
			case kHIDUsage_KeyboardEnd:
				AddCookie(Array[i], WXK_END);
				break;
			case kHIDUsage_KeyboardPageDown:
				AddCookie(Array[i], WXK_NEXT);
				break;
			case kHIDUsage_KeyboardRightArrow:
				AddCookie(Array[i], WXK_RIGHT);
				break;
			case kHIDUsage_KeyboardLeftArrow:
				AddCookie(Array[i], WXK_LEFT);
				break;
			case kHIDUsage_KeyboardDownArrow:
				AddCookie(Array[i], WXK_DOWN);
				break;
			case kHIDUsage_KeyboardUpArrow:
				AddCookie(Array[i], WXK_UP);
				break;
						
			//LEDS
			case kHIDUsage_KeyboardCapsLock:
				AddCookie(Array[i],WXK_CAPITAL);
				break;
			case kHIDUsage_KeypadNumLock:
				AddCookie(Array[i],WXK_NUMLOCK);
				break;
			case kHIDUsage_KeyboardScrollLock:
				AddCookie(Array[i],WXK_SCROLL);
				break;
					
			//Menu keys, Shift, other specials
			case kHIDUsage_KeyboardLeftControl:
				AddCookie(Array[i],WXK_CONTROL);
				break;
			case kHIDUsage_KeyboardLeftShift:
				AddCookie(Array[i],WXK_SHIFT);
				break;
			case kHIDUsage_KeyboardLeftAlt:
				AddCookie(Array[i],WXK_ALT);
				break;
			case kHIDUsage_KeyboardLeftGUI:
				AddCookie(Array[i],WXK_MENU);
				break;
			case kHIDUsage_KeyboardRightControl:
				AddCookie(Array[i],WXK_RCONTROL);
				break;
			case kHIDUsage_KeyboardRightShift:
				AddCookie(Array[i],WXK_RSHIFT);
				break;
			case kHIDUsage_KeyboardRightAlt:
				AddCookie(Array[i],WXK_RALT);
				break;
			case kHIDUsage_KeyboardRightGUI:
				AddCookie(Array[i],WXK_RMENU);
				break;
 						
			//Default	
			default:
			//not in wx keycodes - do nothing....
			break;
		}
	}
}//end buildcookies

//
// wxGetKeyState
//

#include "wx/utils.h"
#include "wx/module.h"

class wxHIDModule : public wxModule
{
    DECLARE_DYNAMIC_CLASS(wxHIDModule)
    
    public:
        static wxHIDKeyboard* sm_keyboard;
        
        virtual bool OnInit()
        {
            sm_keyboard = NULL;
            return true;
        }
        virtual void OnExit()
        {
            if (sm_keyboard)
                delete sm_keyboard;
        }
};

IMPLEMENT_DYNAMIC_CLASS(wxHIDModule, wxModule)

wxHIDKeyboard* wxHIDModule::sm_keyboard;

bool wxGetKeyState (wxKeyCode key)
{
    if (!wxHIDModule::sm_keyboard)
    {
        wxHIDModule::sm_keyboard = new wxHIDKeyboard();
        bool bOK = wxHIDModule::sm_keyboard->Create();
        wxASSERT(bOK);
        if(!bOK)
        {
            delete wxHIDModule::sm_keyboard;
            wxHIDModule::sm_keyboard = NULL;
            return false;
        }
    }
    
    return wxHIDModule::sm_keyboard->IsActive(key);
}

#endif //__DARWIN__
Commit	Line	Data
ec8bd392 RN	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: hid.cpp
	3	// Purpose: DARWIN HID layer for WX Implementation
	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
1553abf4 RN	12	// ===========================================================================
	13	// declarations
	14	// ===========================================================================
	15
	16	// ---------------------------------------------------------------------------
	17	// headers
	18	// ---------------------------------------------------------------------------
	19
3d1a4878	20	#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
1553abf4 RN	21	#pragma implementation "hid.h"
	22	#endif
	23
	24	// For compilers that support precompilation, includes "wx.h".
	25	#include "wx/wxprec.h"
	26
	27	#ifdef __BORLANDC__
	28	#pragma hdrstop
	29	#endif
	30
ec8bd392 RN	31	//DARWIN _ONLY_
	32	#ifdef __DARWIN__
	33
4cb1d3da	34	#include "wx/mac/corefoundation/hid.h"
ec8bd392 RN	35	#include "wx/string.h"
ec8bd392 RN	36	#include "wx/log.h"
65442ab6	37	#include "wx/mac/corefoundation/cfstring.h"
7f71c4c8	38
1553abf4 RN	39
	40	// ---------------------------------------------------------------------------
	41	// assertion macros
	42	// ---------------------------------------------------------------------------
	43
7f71c4c8 RN	44	#define wxFORCECHECK_MSG(arg, msg) \
	45	{\
	46	if (arg) \
	47	{\
	48	wxLogSysError(wxString::Format(wxT("Message:%s\nHID: %s failed!"), wxT(msg), wxT(#arg)));\
	49	return false;\
	50	}\
	51	}
	52	#define wxIOCHECK(arg, msg) wxFORCECHECK_MSG(arg != kIOReturnSuccess, msg)
	53	#define wxKERNCHECK(arg, msg) wxFORCECHECK_MSG(arg != KERN_SUCCESS, msg)
	54	#define wxSCHECK(arg, msg) wxFORCECHECK_MSG(arg != S_OK, msg)
	55
ec8bd392 RN	56	#ifdef __WXDEBUG___
	57	# define wxVERIFY(arg) wxASSERT(arg)
	58	#else
	59	# define wxVERIFY(arg) arg
	60	#endif
	61
	62	/*
7f71c4c8 RN	63	void CFShowTypeIDDescription(CFTypeRef pData)
	64	{
	65	if(!pData)
	66	{
ec8bd392	67	wxASSERT(false);
7f71c4c8 RN	68	return;
	69	}
	70
	71	wxMessageBox(
	72	CFStringGetCStringPtr(
	73	CFCopyTypeIDDescription(CFGetTypeID(pData)),CFStringGetSystemEncoding()
	74	)
	75	);
	76	}
ec8bd392	77	*/
7f71c4c8 RN	78
	79	// ============================================================================
	80	// implementation
	81	// ============================================================================
	82
1553abf4 RN	83	// ---------------------------------------------------------------------------
	84	// wxHIDDevice
	85	// ---------------------------------------------------------------------------
7f71c4c8	86
4cb1d3da	87	bool wxHIDDevice::Create (int nClass, int nType, int nDev)
7f71c4c8 RN	88	{
	89	//Create the mach port
	90	wxIOCHECK(IOMasterPort(bootstrap_port, &m_pPort), "Could not create mach port");
	91
	92	//Dictionary that will hold first
	93	//the matching dictionary for determining which kind of devices we want,
	94	//then later some registry properties from an iterator (see below)
	95	CFMutableDictionaryRef pDictionary;
	96
	97	//Create a dictionary
	98	//The call to IOServiceMatching filters down the
	99	//the services we want to hid services (and also eats the
	100	//dictionary up for us (consumes one reference))
ec8bd392	101	wxVERIFY((pDictionary = IOServiceMatching(kIOHIDDeviceKey)) != NULL );
7f71c4c8 RN	102
	103	//Here we'll filter down the services to what we want
	104	if (nType != -1)
	105	{
	106	CFNumberRef pType = CFNumberCreate(kCFAllocatorDefault,
	107	kCFNumberIntType, &nType);
	108	CFDictionarySetValue(pDictionary, CFSTR(kIOHIDPrimaryUsageKey), pType);
	109	CFRelease(pType);
	110	}
	111	if (nClass != -1)
	112	{
	113	CFNumberRef pClass = CFNumberCreate(kCFAllocatorDefault,
	114	kCFNumberIntType, &nClass);
	115	CFDictionarySetValue(pDictionary, CFSTR(kIOHIDPrimaryUsagePageKey), pClass);
	116	CFRelease(pClass);
	117	}
	118
	119	//Now get the maching services
	120	io_iterator_t pIterator;
	121	wxIOCHECK(IOServiceGetMatchingServices(m_pPort, pDictionary, &pIterator), "No Matching HID Services");
65442ab6	122	wxASSERT_MSG(pIterator != 0, wxT("No devices found!"));
7f71c4c8 RN	123
	124	//Now we iterate through them
	125	io_object_t pObject;
b409fa19	126	while ( (pObject = IOIteratorNext(pIterator)) != 0)
7f71c4c8	127	{
4cb1d3da RN	128	if(--nDev != 0)
	129	continue;
	130
ec8bd392	131	wxVERIFY(IORegistryEntryCreateCFProperties(pObject, &pDictionary,
7f71c4c8 RN	132	kCFAllocatorDefault, kNilOptions) == KERN_SUCCESS);
	133
	134	//Just for sanity :)
342689c8	135	wxASSERT(CFGetTypeID(CFDictionaryGetValue(pDictionary, CFSTR(kIOHIDProductKey))) == CFStringGetTypeID());
7f71c4c8	136
65442ab6 RN	137	/*
	138	kIOHIDTransportKey;
	139	kIOHIDVendorIDKey;
	140	kIOHIDProductIDKey;
	141	kIOHIDVersionNumberKey;
	142	kIOHIDManufacturerKey;
	143	kIOHIDSerialNumberKey;
	144	if !kIOHIDLocationIDKey
	145	kUSBDevicePropertyLocationID
	146	kIOHIDPrimaryUsageKey
	147	kIOHIDPrimaryUsagePageKey
	148	idProduct
	149	idVendor
	150	USB Product Name
	151	*/
7f71c4c8	152	//Get [product] name
65442ab6 RN	153	m_szProductName = wxMacCFStringHolder( (CFStringRef) CFDictionaryGetValue(pDictionary, CFSTR(kIOHIDProductKey)), false ).AsString();
	154
	155	CFNumberGetValue(
	156	(CFNumberRef) CFDictionaryGetValue(pDictionary, CFSTR(kIOHIDProductIDKey)),
	157	kCFNumberIntType,
	158	&m_nProductId
	159	);
	160
	161
	162	CFNumberGetValue(
	163	(CFNumberRef) CFDictionaryGetValue(pDictionary, CFSTR(kIOHIDVendorIDKey)),
	164	kCFNumberIntType,
	165	&m_nManufacturerId
	166	);
7f71c4c8	167
7f71c4c8 RN	168	//Create the interface (good grief - long function names!)
	169	SInt32 nScore;
	170	IOCFPlugInInterface** ppPlugin;
	171	wxIOCHECK(IOCreatePlugInInterfaceForService(pObject, kIOHIDDeviceUserClientTypeID,
	172	kIOCFPlugInInterfaceID, &ppPlugin, &nScore), "");
	173
	174	//Now, the final thing we can check before we fall back to asserts
	175	//(because the dtor only checks if the device is ok, so if anything
	176	//fails from now on the dtor will delete the device anyway, so we can't break from this).
	177
	178	//Get the HID interface from the plugin to the mach port
	179	wxSCHECK((*ppPlugin)->QueryInterface(ppPlugin,
	180	CFUUIDGetUUIDBytes(kIOHIDDeviceInterfaceID), (void**) &m_ppDevice), "");
	181
	182	//release the plugin
	183	(*ppPlugin)->Release(ppPlugin);
	184
	185	//open the HID interface...
ec8bd392	186	wxVERIFY((*m_ppDevice)->open(m_ppDevice, 0) == S_OK);
7f71c4c8	187
4cb1d3da RN	188	//
	189	//Now the hard part - in order to scan things we need "cookies" -
	190	//
	191	wxCFArray CookieArray = CFDictionaryGetValue(pDictionary, CFSTR(kIOHIDElementKey));
	192	BuildCookies(CookieArray);
4cb1d3da	193
7f71c4c8 RN	194	//cleanup
	195	CFRelease(pDictionary);
	196	IOObjectRelease(pObject);
	197	break;
	198	}
	199	//iterator cleanup
	200	IOObjectRelease(pIterator);
	201
	202	return true;
	203	}//end Create()
	204
4cb1d3da RN	205	int wxHIDDevice::GetCount (int nClass, int nType)
	206	{
	207	mach_port_t m_pPort;
	208
	209	//Create the mach port
	210	wxIOCHECK(IOMasterPort(bootstrap_port, &m_pPort), "Could not create mach port");
	211
	212	//Dictionary that will hold first
	213	//the matching dictionary for determining which kind of devices we want,
	214	//then later some registry properties from an iterator (see below)
	215	CFMutableDictionaryRef pDictionary;
	216
	217	//Create a dictionary
	218	//The call to IOServiceMatching filters down the
	219	//the services we want to hid services (and also eats the
	220	//dictionary up for us (consumes one reference))
	221	wxVERIFY((pDictionary = IOServiceMatching(kIOHIDDeviceKey)) != NULL );
	222
	223	//Here we'll filter down the services to what we want
	224	if (nType != -1)
	225	{
	226	CFNumberRef pType = CFNumberCreate(kCFAllocatorDefault,
	227	kCFNumberIntType, &nType);
	228	CFDictionarySetValue(pDictionary, CFSTR(kIOHIDPrimaryUsageKey), pType);
	229	CFRelease(pType);
	230	}
	231	if (nClass != -1)
	232	{
	233	CFNumberRef pClass = CFNumberCreate(kCFAllocatorDefault,
	234	kCFNumberIntType, &nClass);
	235	CFDictionarySetValue(pDictionary, CFSTR(kIOHIDPrimaryUsagePageKey), pClass);
	236	CFRelease(pClass);
	237	}
	238
	239	//Now get the maching services
	240	io_iterator_t pIterator;
	241	wxIOCHECK(IOServiceGetMatchingServices(m_pPort, pDictionary, &pIterator), "No Matching HID Services");
65442ab6 RN	242
	243	if(pIterator == NULL)
	244	return 0;
4cb1d3da RN	245
	246	//Now we iterate through them
	247	io_object_t pObject;
	248
	249	int nCount = 0;
	250
	251	while ( (pObject = IOIteratorNext(pIterator)) != 0)
	252	++nCount;
	253
	254	//iterator cleanup
	255	IOObjectRelease(pIterator);
	256
	257	return nCount;
	258	}//end Create()
	259
	260	void wxHIDDevice::AddCookie(CFTypeRef Data, int i)
7f71c4c8 RN	261	{
	262	CFNumberGetValue(
	263	(CFNumberRef) CFDictionaryGetValue ( (CFDictionaryRef) Data
	264	, CFSTR(kIOHIDElementCookieKey)
	265	),
	266	kCFNumberIntType,
	267	&m_pCookies[i]
	268	);
	269	}
	270
4cb1d3da	271	void wxHIDDevice::AddCookieInQueue(CFTypeRef Data, int i)
7f71c4c8 RN	272	{
7f71c4c8 RN	273	AddCookie(Data, i);
ec8bd392	274	wxVERIFY((*m_ppQueue)->addElement(m_ppQueue, m_pCookies[i], 0) == S_OK);//3rd Param flags (none yet)
7f71c4c8 RN	275	}
7f71c4c8 RN	276
4cb1d3da	277	void wxHIDDevice::InitCookies(size_t dwSize, bool bQueue)
7f71c4c8 RN	278	{
	279	m_pCookies = new IOHIDElementCookie[dwSize];
	280	if (bQueue)
	281	{
4cb1d3da	282	wxASSERT( m_ppQueue == NULL);
ec8bd392 RN	283	wxVERIFY( (m_ppQueue = (*m_ppDevice)->allocQueue(m_ppDevice)) != NULL);
ec8bd392 RN	284	wxVERIFY( (*m_ppQueue)->create(m_ppQueue, 0, 512) == S_OK); //Param 2, flags, none yet
7f71c4c8 RN	285	}
	286	}
	287
4cb1d3da	288	bool wxHIDDevice::IsActive(int nIndex)
7f71c4c8 RN	289	{
	290	wxASSERT(m_pCookies[nIndex] != NULL);
	291	IOHIDEventStruct Event;
	292	(*m_ppDevice)->getElementValue(m_ppDevice, m_pCookies[nIndex], &Event);
	293	return !!Event.value;
	294	}
	295
4cb1d3da RN	296	bool wxHIDDevice::HasElement(int nIndex)
	297	{
	298	return m_pCookies[nIndex] != NULL;
	299	}
7f71c4c8 RN	300
	301	wxHIDDevice::~wxHIDDevice()
	302	{
	303	if (m_ppDevice != NULL)
	304	{
4cb1d3da RN	305	if (m_ppQueue != NULL)
	306	{
	307	(*m_ppQueue)->stop(m_ppQueue);
	308	(*m_ppQueue)->dispose(m_ppQueue);
	309	(*m_ppQueue)->Release(m_ppQueue);
	310	}
7f71c4c8 RN	311	(*m_ppDevice)->close(m_ppDevice);
	312	(*m_ppDevice)->Release(m_ppDevice);
	313	mach_port_deallocate(mach_task_self(), m_pPort);
	314	}
	315
	316	if (m_pCookies != NULL)
	317	{
	318	delete [] m_pCookies;
7f71c4c8 RN	319	}
7f71c4c8 RN	320	}
7f71c4c8	321
1553abf4 RN	322	// ---------------------------------------------------------------------------
	323	// wxHIDKeyboard
	324	// ---------------------------------------------------------------------------
	325
7f71c4c8 RN	326	enum
	327	{
	328	WXK_RSHIFT = 400,
	329	WXK_RALT,
	330	WXK_RCONTROL,
	331	WXK_RMENU
	332
	333	};
	334
	335	bool wxHIDKeyboard::Create()
	336	{
	337	return wxHIDDevice::Create(kHIDPage_GenericDesktop, kHIDUsage_GD_Keyboard);
	338	}
	339
	340	void wxHIDKeyboard::BuildCookies(wxCFArray& Array)
	341	{
	342	Array = CFDictionaryGetValue((CFDictionaryRef)Array[0], CFSTR(kIOHIDElementKey));
	343	InitCookies(500);
	344	int i,
	345	nUsage;
	346	for (i = 0; i < Array.Count(); ++i)
	347	{
	348	CFNumberGetValue(
	349	(CFNumberRef) CFDictionaryGetValue((CFDictionaryRef) Array[i], CFSTR(kIOHIDElementUsageKey)),
	350	kCFNumberLongType, &nUsage);
	351
	352	if (nUsage >= kHIDUsage_KeyboardA && nUsage <= kHIDUsage_KeyboardZ)
	353	AddCookie(Array[i], 'A' + (nUsage - kHIDUsage_KeyboardA) );
	354	else if (nUsage >= kHIDUsage_Keyboard1 && nUsage <= kHIDUsage_Keyboard9)
	355	AddCookie(Array[i], '1' + (nUsage - kHIDUsage_Keyboard1) );
	356	else if (nUsage >= kHIDUsage_KeyboardF1 && nUsage <= kHIDUsage_KeyboardF12)
	357	AddCookie(Array[i], WXK_F1 + (nUsage - kHIDUsage_KeyboardF1) );
	358	else if (nUsage >= kHIDUsage_KeyboardF13 && nUsage <= kHIDUsage_KeyboardF24)
	359	AddCookie(Array[i], WXK_F13 + (nUsage - kHIDUsage_KeyboardF13) );
	360	else if (nUsage >= kHIDUsage_Keypad1 && nUsage <= kHIDUsage_Keypad9)
	361	AddCookie(Array[i], WXK_NUMPAD1 + (nUsage - kHIDUsage_Keypad1) );
	362	else switch (nUsage)
	363	{
	364	//0's (wx & ascii go 0-9, but HID goes 1-0)
	365	case kHIDUsage_Keyboard0:
	366	AddCookie(Array[i],'0');
	367	break;
	368	case kHIDUsage_Keypad0:
	369	AddCookie(Array[i],WXK_NUMPAD0);
	370	break;
	371
	372	//Basic
	373	case kHIDUsage_KeyboardReturnOrEnter:
	374	AddCookie(Array[i], WXK_RETURN);
	375	break;
	376	case kHIDUsage_KeyboardEscape:
	377	AddCookie(Array[i], WXK_ESCAPE);
	378	break;
	379	case kHIDUsage_KeyboardDeleteOrBackspace:
	380	AddCookie(Array[i], WXK_BACK);
	381	break;
	382	case kHIDUsage_KeyboardTab:
	383	AddCookie(Array[i], WXK_TAB);
	384	break;
	385	case kHIDUsage_KeyboardSpacebar:
	386	AddCookie(Array[i], WXK_SPACE);
	387	break;
	388	case kHIDUsage_KeyboardPageUp:
	389	AddCookie(Array[i], WXK_PRIOR);
390	break;
391	case kHIDUsage_KeyboardEnd:
392	AddCookie(Array[i], WXK_END);
393	break;
394	case kHIDUsage_KeyboardPageDown:
395	AddCookie(Array[i], WXK_NEXT);
396	break;
397	case kHIDUsage_KeyboardRightArrow:
398	AddCookie(Array[i], WXK_RIGHT);
399	break;
400	case kHIDUsage_KeyboardLeftArrow:
401	AddCookie(Array[i], WXK_LEFT);
402	break;
403	case kHIDUsage_KeyboardDownArrow:
404	AddCookie(Array[i], WXK_DOWN);
405	break;
406	case kHIDUsage_KeyboardUpArrow:
407	AddCookie(Array[i], WXK_UP);
408	break;
409
410	//LEDS
411	case kHIDUsage_KeyboardCapsLock:
412	AddCookie(Array[i],WXK_CAPITAL);
413	break;
414	case kHIDUsage_KeypadNumLock:
415	AddCookie(Array[i],WXK_NUMLOCK);
416	break;
417	case kHIDUsage_KeyboardScrollLock:
418	AddCookie(Array[i],WXK_SCROLL);
419	break;
420
421	//Menu keys, Shift, other specials
422	case kHIDUsage_KeyboardLeftControl:
423	AddCookie(Array[i],WXK_CONTROL);
424	break;
425	case kHIDUsage_KeyboardLeftShift:
426	AddCookie(Array[i],WXK_SHIFT);
427	break;
428	case kHIDUsage_KeyboardLeftAlt:
429	AddCookie(Array[i],WXK_ALT);
430	break;
431	case kHIDUsage_KeyboardLeftGUI:
432	AddCookie(Array[i],WXK_MENU);
433	break;
434	case kHIDUsage_KeyboardRightControl:
435	AddCookie(Array[i],WXK_RCONTROL);
436	break;
437	case kHIDUsage_KeyboardRightShift:
438	AddCookie(Array[i],WXK_RSHIFT);
439	break;
440	case kHIDUsage_KeyboardRightAlt:
441	AddCookie(Array[i],WXK_RALT);
442	break;
443	case kHIDUsage_KeyboardRightGUI:
444	AddCookie(Array[i],WXK_RMENU);
445	break;
446
447	//Default
448	default:
449	//not in wx keycodes - do nothing....
450	break;
451	}
452	}
453	}//end buildcookies
ec8bd392	454
4cb1d3da RN	455	//
	456	// wxGetKeyState
	457	//
	458
	459	#include "wx/utils.h"
	460	#include "wx/module.h"
	461
	462	class wxHIDModule : public wxModule
	463	{
	464	DECLARE_DYNAMIC_CLASS(wxHIDModule)
	465
	466	public:
	467	static wxHIDKeyboard* sm_keyboard;
	468
	469	virtual bool OnInit()
	470	{
	471	sm_keyboard = NULL;
	472	return true;
	473	}
	474	virtual void OnExit()
	475	{
	476	if (sm_keyboard)
	477	delete sm_keyboard;
	478	}
	479	};
	480
	481	IMPLEMENT_DYNAMIC_CLASS(wxHIDModule, wxModule)
	482
	483	wxHIDKeyboard* wxHIDModule::sm_keyboard;
	484
	485	bool wxGetKeyState (wxKeyCode key)
	486	{
	487	if (!wxHIDModule::sm_keyboard)
	488	{
	489	wxHIDModule::sm_keyboard = new wxHIDKeyboard();
	490	bool bOK = wxHIDModule::sm_keyboard->Create();
	491	wxASSERT(bOK);
	492	if(!bOK)
	493	{
	494	delete wxHIDModule::sm_keyboard;
	495	wxHIDModule::sm_keyboard = NULL;
	496	return false;
	497	}
	498	}
	499
	500	return wxHIDModule::sm_keyboard->IsActive(key);
	501	}
	502
ec8bd392	503	#endif //__DARWIN__