3d1a4878f3
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31606 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
370 lines
10 KiB
C++
370 lines
10 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: hid.cpp
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// Purpose: DARWIN HID layer for WX Implementation
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// Author: Ryan Norton
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// Modified by:
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// Created: 11/11/2003
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// RCS-ID: $Id$
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// Copyright: (c) Ryan Norton
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ===========================================================================
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// declarations
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// ===========================================================================
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// ---------------------------------------------------------------------------
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// headers
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// ---------------------------------------------------------------------------
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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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#pragma implementation "hid.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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//DARWIN _ONLY_
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#ifdef __DARWIN__
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#include "wx/mac/carbon/private/hid.h"
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#include "wx/string.h"
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#include "wx/log.h"
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// ---------------------------------------------------------------------------
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// assertion macros
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// ---------------------------------------------------------------------------
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#define wxFORCECHECK_MSG(arg, msg) \
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{\
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if (arg) \
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{\
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wxLogSysError(wxString::Format(wxT("Message:%s\nHID: %s failed!"), wxT(msg), wxT(#arg)));\
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return false;\
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}\
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}
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#define wxIOCHECK(arg, msg) wxFORCECHECK_MSG(arg != kIOReturnSuccess, msg)
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#define wxKERNCHECK(arg, msg) wxFORCECHECK_MSG(arg != KERN_SUCCESS, msg)
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#define wxSCHECK(arg, msg) wxFORCECHECK_MSG(arg != S_OK, msg)
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#ifdef __WXDEBUG___
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# define wxVERIFY(arg) wxASSERT(arg)
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#else
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# define wxVERIFY(arg) arg
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#endif
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/*
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void CFShowTypeIDDescription(CFTypeRef pData)
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{
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if(!pData)
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{
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wxASSERT(false);
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return;
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}
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wxMessageBox(
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CFStringGetCStringPtr(
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CFCopyTypeIDDescription(CFGetTypeID(pData)),CFStringGetSystemEncoding()
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)
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);
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}
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*/
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// ============================================================================
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// implementation
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// ============================================================================
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// ---------------------------------------------------------------------------
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// wxHIDDevice
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// ---------------------------------------------------------------------------
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bool wxHIDDevice::Create (const int& nClass, const int& nType)
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{
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//Create the mach port
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wxIOCHECK(IOMasterPort(bootstrap_port, &m_pPort), "Could not create mach port");
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//Dictionary that will hold first
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//the matching dictionary for determining which kind of devices we want,
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//then later some registry properties from an iterator (see below)
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CFMutableDictionaryRef pDictionary;
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//Create a dictionary
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//The call to IOServiceMatching filters down the
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//the services we want to hid services (and also eats the
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//dictionary up for us (consumes one reference))
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wxVERIFY((pDictionary = IOServiceMatching(kIOHIDDeviceKey)) != NULL );
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//Here we'll filter down the services to what we want
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if (nType != -1)
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{
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CFNumberRef pType = CFNumberCreate(kCFAllocatorDefault,
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kCFNumberIntType, &nType);
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CFDictionarySetValue(pDictionary, CFSTR(kIOHIDPrimaryUsageKey), pType);
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CFRelease(pType);
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}
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if (nClass != -1)
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{
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CFNumberRef pClass = CFNumberCreate(kCFAllocatorDefault,
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kCFNumberIntType, &nClass);
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CFDictionarySetValue(pDictionary, CFSTR(kIOHIDPrimaryUsagePageKey), pClass);
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CFRelease(pClass);
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}
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//Now get the maching services
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io_iterator_t pIterator;
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wxIOCHECK(IOServiceGetMatchingServices(m_pPort, pDictionary, &pIterator), "No Matching HID Services");
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wxASSERT(pIterator != NULL);
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//Now we iterate through them
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io_object_t pObject;
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while ( (pObject = IOIteratorNext(pIterator)) != NULL)
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{
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wxVERIFY(IORegistryEntryCreateCFProperties(pObject, &pDictionary,
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kCFAllocatorDefault, kNilOptions) == KERN_SUCCESS);
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//Just for sanity :)
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wxASSERT(CFGetTypeID(CFDictionaryGetValue(pDictionary, CFSTR(kIOHIDProductKey))) == CFStringGetTypeID());
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//Get [product] name
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m_szName = CFStringGetCStringPtr (
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(CFStringRef) CFDictionaryGetValue(pDictionary, CFSTR(kIOHIDProductKey)),
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CFStringGetSystemEncoding()
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);
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//
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//Now the hard part - in order to scan things we need "cookies" -
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//
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wxCFArray CookieArray = CFDictionaryGetValue(pDictionary, CFSTR(kIOHIDElementKey));
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BuildCookies(CookieArray);
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if (m_ppQueue != NULL)
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wxVERIFY((*m_ppQueue)->start(m_ppQueue) == S_OK);
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//Create the interface (good grief - long function names!)
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SInt32 nScore;
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IOCFPlugInInterface** ppPlugin;
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wxIOCHECK(IOCreatePlugInInterfaceForService(pObject, kIOHIDDeviceUserClientTypeID,
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kIOCFPlugInInterfaceID, &ppPlugin, &nScore), "");
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//Now, the final thing we can check before we fall back to asserts
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//(because the dtor only checks if the device is ok, so if anything
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//fails from now on the dtor will delete the device anyway, so we can't break from this).
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//Get the HID interface from the plugin to the mach port
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wxSCHECK((*ppPlugin)->QueryInterface(ppPlugin,
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CFUUIDGetUUIDBytes(kIOHIDDeviceInterfaceID), (void**) &m_ppDevice), "");
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//release the plugin
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(*ppPlugin)->Release(ppPlugin);
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//open the HID interface...
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wxVERIFY((*m_ppDevice)->open(m_ppDevice, 0) == S_OK);
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//cleanup
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CFRelease(pDictionary);
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IOObjectRelease(pObject);
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break;
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}
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//iterator cleanup
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IOObjectRelease(pIterator);
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return true;
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}//end Create()
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void wxHIDDevice::AddCookie(CFTypeRef Data, const int& i)
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{
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CFNumberGetValue(
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(CFNumberRef) CFDictionaryGetValue ( (CFDictionaryRef) Data
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, CFSTR(kIOHIDElementCookieKey)
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),
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kCFNumberIntType,
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&m_pCookies[i]
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);
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}
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void wxHIDDevice::AddCookieInQueue(CFTypeRef Data, const int& i)
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{
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AddCookie(Data, i);
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wxVERIFY((*m_ppQueue)->addElement(m_ppQueue, m_pCookies[i], 0) == S_OK);//3rd Param flags (none yet)
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}
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void wxHIDDevice::InitCookies(const size_t& dwSize, bool bQueue)
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{
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m_pCookies = new IOHIDElementCookie[dwSize];
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if (bQueue)
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{
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wxASSERT( m_ppQueue != NULL);
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wxVERIFY( (m_ppQueue = (*m_ppDevice)->allocQueue(m_ppDevice)) != NULL);
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wxVERIFY( (*m_ppQueue)->create(m_ppQueue, 0, 512) == S_OK); //Param 2, flags, none yet
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}
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}
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bool wxHIDDevice::IsActive(const int& nIndex)
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{
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wxASSERT(m_pCookies[nIndex] != NULL);
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IOHIDEventStruct Event;
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(*m_ppDevice)->getElementValue(m_ppDevice, m_pCookies[nIndex], &Event);
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return !!Event.value;
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}
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wxHIDDevice::~wxHIDDevice()
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{
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if (m_ppDevice != NULL)
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{
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(*m_ppDevice)->close(m_ppDevice);
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(*m_ppDevice)->Release(m_ppDevice);
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mach_port_deallocate(mach_task_self(), m_pPort);
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}
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if (m_pCookies != NULL)
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{
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delete [] m_pCookies;
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if (m_ppQueue != NULL)
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{
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(*m_ppQueue)->stop(m_ppQueue);
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(*m_ppQueue)->dispose(m_ppQueue);
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(*m_ppQueue)->Release(m_ppQueue);
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}
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}
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}
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// ---------------------------------------------------------------------------
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// wxHIDKeyboard
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// ---------------------------------------------------------------------------
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enum
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{
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WXK_RSHIFT = 400,
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WXK_RALT,
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WXK_RCONTROL,
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WXK_RMENU
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};
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bool wxHIDKeyboard::Create()
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{
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return wxHIDDevice::Create(kHIDPage_GenericDesktop, kHIDUsage_GD_Keyboard);
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}
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void wxHIDKeyboard::BuildCookies(wxCFArray& Array)
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{
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Array = CFDictionaryGetValue((CFDictionaryRef)Array[0], CFSTR(kIOHIDElementKey));
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InitCookies(500);
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int i,
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nUsage;
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for (i = 0; i < Array.Count(); ++i)
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{
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CFNumberGetValue(
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(CFNumberRef) CFDictionaryGetValue((CFDictionaryRef) Array[i], CFSTR(kIOHIDElementUsageKey)),
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kCFNumberLongType, &nUsage);
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if (nUsage >= kHIDUsage_KeyboardA && nUsage <= kHIDUsage_KeyboardZ)
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AddCookie(Array[i], 'A' + (nUsage - kHIDUsage_KeyboardA) );
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else if (nUsage >= kHIDUsage_Keyboard1 && nUsage <= kHIDUsage_Keyboard9)
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AddCookie(Array[i], '1' + (nUsage - kHIDUsage_Keyboard1) );
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else if (nUsage >= kHIDUsage_KeyboardF1 && nUsage <= kHIDUsage_KeyboardF12)
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AddCookie(Array[i], WXK_F1 + (nUsage - kHIDUsage_KeyboardF1) );
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else if (nUsage >= kHIDUsage_KeyboardF13 && nUsage <= kHIDUsage_KeyboardF24)
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AddCookie(Array[i], WXK_F13 + (nUsage - kHIDUsage_KeyboardF13) );
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else if (nUsage >= kHIDUsage_Keypad1 && nUsage <= kHIDUsage_Keypad9)
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AddCookie(Array[i], WXK_NUMPAD1 + (nUsage - kHIDUsage_Keypad1) );
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else switch (nUsage)
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{
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//0's (wx & ascii go 0-9, but HID goes 1-0)
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case kHIDUsage_Keyboard0:
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AddCookie(Array[i],'0');
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break;
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case kHIDUsage_Keypad0:
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AddCookie(Array[i],WXK_NUMPAD0);
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break;
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//Basic
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case kHIDUsage_KeyboardReturnOrEnter:
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AddCookie(Array[i], WXK_RETURN);
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break;
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case kHIDUsage_KeyboardEscape:
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AddCookie(Array[i], WXK_ESCAPE);
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break;
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case kHIDUsage_KeyboardDeleteOrBackspace:
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AddCookie(Array[i], WXK_BACK);
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break;
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case kHIDUsage_KeyboardTab:
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AddCookie(Array[i], WXK_TAB);
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break;
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case kHIDUsage_KeyboardSpacebar:
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AddCookie(Array[i], WXK_SPACE);
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break;
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case kHIDUsage_KeyboardPageUp:
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AddCookie(Array[i], WXK_PRIOR);
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break;
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case kHIDUsage_KeyboardEnd:
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AddCookie(Array[i], WXK_END);
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break;
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case kHIDUsage_KeyboardPageDown:
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AddCookie(Array[i], WXK_NEXT);
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break;
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case kHIDUsage_KeyboardRightArrow:
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AddCookie(Array[i], WXK_RIGHT);
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break;
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case kHIDUsage_KeyboardLeftArrow:
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AddCookie(Array[i], WXK_LEFT);
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break;
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case kHIDUsage_KeyboardDownArrow:
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AddCookie(Array[i], WXK_DOWN);
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break;
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case kHIDUsage_KeyboardUpArrow:
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AddCookie(Array[i], WXK_UP);
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break;
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//LEDS
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case kHIDUsage_KeyboardCapsLock:
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AddCookie(Array[i],WXK_CAPITAL);
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break;
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case kHIDUsage_KeypadNumLock:
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AddCookie(Array[i],WXK_NUMLOCK);
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break;
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case kHIDUsage_KeyboardScrollLock:
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AddCookie(Array[i],WXK_SCROLL);
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break;
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//Menu keys, Shift, other specials
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case kHIDUsage_KeyboardLeftControl:
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AddCookie(Array[i],WXK_CONTROL);
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break;
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case kHIDUsage_KeyboardLeftShift:
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AddCookie(Array[i],WXK_SHIFT);
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break;
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case kHIDUsage_KeyboardLeftAlt:
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AddCookie(Array[i],WXK_ALT);
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break;
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case kHIDUsage_KeyboardLeftGUI:
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AddCookie(Array[i],WXK_MENU);
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break;
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case kHIDUsage_KeyboardRightControl:
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AddCookie(Array[i],WXK_RCONTROL);
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break;
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case kHIDUsage_KeyboardRightShift:
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AddCookie(Array[i],WXK_RSHIFT);
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break;
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case kHIDUsage_KeyboardRightAlt:
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AddCookie(Array[i],WXK_RALT);
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break;
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case kHIDUsage_KeyboardRightGUI:
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AddCookie(Array[i],WXK_RMENU);
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break;
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//Default
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default:
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//not in wx keycodes - do nothing....
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break;
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}
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}
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}//end buildcookies
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#endif //__DARWIN__
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